#include <linux/extcon-provider.h>
#include <linux/kernel.h>
-#include <linux/mfd/cros_ec.h>
#include <linux/module.h>
#include <linux/notifier.h>
#include <linux/of.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/acpi.h>
#include <linux/hid.h>
#include <linux/leds.h>
-#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/pm_wakeup.h>
#include <asm/unaligned.h>
#include <linux/module.h>
#include <linux/i2c.h>
-#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/iio/triggered_buffer.h>
#include <linux/kernel.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#define DRV_NAME "cros-ec-accel-legacy"
#include <linux/iio/triggered_buffer.h>
#include <linux/iio/trigger_consumer.h>
#include <linux/kernel.h>
-#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/iio/triggered_buffer.h>
#include <linux/kernel.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/iio/trigger_consumer.h>
#include <linux/kernel.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
static char *cros_ec_loc[] = {
#include <linux/iio/trigger_consumer.h>
#include <linux/kernel.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/iio/trigger_consumer.h>
#include <linux/kernel.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
/*
#include <linux/slab.h>
#include <linux/sysrq.h>
#include <linux/input/matrix_keypad.h>
-#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <asm/unaligned.h>
#include <linux/cec.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
+#include <linux/mfd/cros_ec.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <media/cec.h>
#include <media/cec-notifier.h>
-#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#define DRV_NAME "cros-ec-cec"
#include <linux/mfd/core.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/platform_data/cros_ec_chardev.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/slab.h>
#define DRV_NAME "cros-ec-dev"
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/module.h>
-#include <linux/mfd/cros_ec.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/suspend.h>
#include <asm/unaligned.h>
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/platform_data/cros_ec_chardev.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/fs.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
#include <linux/mutex.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/poll.h>
#include <linux/sched.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
-#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
// (ISH-TP).
#include <linux/delay.h>
-#include <linux/mfd/core.h>
-#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/intel-ish-client-if.h>
/*
#include <linux/fs.h>
#include <linux/kobject.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/interrupt.h>
-#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/printk.h>
#include <linux/suspend.h>
//
// Copyright (C) 2015 Google, Inc
-#include <linux/mfd/cros_ec.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/slab.h>
#include <asm/unaligned.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/of.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/rpmsg.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/of.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
#include <linux/fs.h>
#include <linux/kobject.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/printk.h>
#include <linux/slab.h>
#define TRACE_SYMBOL(a) {a, #a}
// Generate the list using the following script:
-// sed -n 's/^#define \(EC_CMD_[[:alnum:]_]*\)\s.*/\tTRACE_SYMBOL(\1), \\/p' include/linux/mfd/cros_ec_commands.h
+// sed -n 's/^#define \(EC_CMD_[[:alnum:]_]*\)\s.*/\tTRACE_SYMBOL(\1), \\/p' include/linux/platform_data/cros_ec_commands.h
#define EC_CMDS \
TRACE_SYMBOL(EC_CMD_PROTO_VERSION), \
TRACE_SYMBOL(EC_CMD_HELLO), \
#if !defined(_CROS_EC_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
#define _CROS_EC_TRACE_H_
+#include <linux/bits.h>
#include <linux/types.h>
-#include <linux/mfd/cros_ec.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/tracepoint.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/slab.h>
#define DRV_NAME "cros-ec-vbc"
*/
#include <linux/ktime.h>
-#include <linux/math64.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
+#include <linux/math64.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/rtc.h>
* Copyright (c) 2014 - 2018 Google, Inc
*/
-#include <linux/module.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
+#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/slab.h>
*/
#include <linux/module.h>
-#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/pwm.h>
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/rtc.h>
#include <linux/slab.h>
header-test- += linux/mfd/arizona/pdata.h
header-test- += linux/mfd/as3711.h
header-test- += linux/mfd/as3722.h
-header-test- += linux/mfd/cros_ec_commands.h
header-test- += linux/mfd/da903x.h
header-test- += linux/mfd/da9055/pdata.h
header-test- += linux/mfd/da9063/pdata.h
header-test- += linux/platform_data/atmel.h
header-test- += linux/platform_data/bh1770glc.h
header-test- += linux/platform_data/brcmfmac.h
+header-test- += linux/platform_data/cros_ec_commands.h
header-test- += linux/platform_data/clk-u300.h
header-test- += linux/platform_data/cyttsp4.h
header-test- += linux/platform_data/dma-coh901318.h
#include <linux/iio/iio.h>
#include <linux/irqreturn.h>
-#include <linux/mfd/cros_ec.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
enum {
CROS_EC_SENSOR_X,
#ifndef __LINUX_MFD_CROS_EC_H
#define __LINUX_MFD_CROS_EC_H
-#include <linux/cdev.h>
#include <linux/device.h>
-#include <linux/notifier.h>
-#include <linux/mfd/cros_ec_commands.h>
-#include <linux/mutex.h>
-
-#define CROS_EC_DEV_NAME "cros_ec"
-#define CROS_EC_DEV_FP_NAME "cros_fp"
-#define CROS_EC_DEV_PD_NAME "cros_pd"
-#define CROS_EC_DEV_TP_NAME "cros_tp"
-#define CROS_EC_DEV_ISH_NAME "cros_ish"
-#define CROS_EC_DEV_SCP_NAME "cros_scp"
-
-/*
- * The EC is unresponsive for a time after a reboot command. Add a
- * simple delay to make sure that the bus stays locked.
- */
-#define EC_REBOOT_DELAY_MS 50
-
-/*
- * Max bus-specific overhead incurred by request/responses.
- * I2C requires 1 additional byte for requests.
- * I2C requires 2 additional bytes for responses.
- * SPI requires up to 32 additional bytes for responses.
- */
-#define EC_PROTO_VERSION_UNKNOWN 0
-#define EC_MAX_REQUEST_OVERHEAD 1
-#define EC_MAX_RESPONSE_OVERHEAD 32
-
-/*
- * Command interface between EC and AP, for LPC, I2C and SPI interfaces.
- */
-enum {
- EC_MSG_TX_HEADER_BYTES = 3,
- EC_MSG_TX_TRAILER_BYTES = 1,
- EC_MSG_TX_PROTO_BYTES = EC_MSG_TX_HEADER_BYTES +
- EC_MSG_TX_TRAILER_BYTES,
- EC_MSG_RX_PROTO_BYTES = 3,
-
- /* Max length of messages for proto 2*/
- EC_PROTO2_MSG_BYTES = EC_PROTO2_MAX_PARAM_SIZE +
- EC_MSG_TX_PROTO_BYTES,
-
- EC_MAX_MSG_BYTES = 64 * 1024,
-};
-
-/**
- * struct cros_ec_command - Information about a ChromeOS EC command.
- * @version: Command version number (often 0).
- * @command: Command to send (EC_CMD_...).
- * @outsize: Outgoing length in bytes.
- * @insize: Max number of bytes to accept from the EC.
- * @result: EC's response to the command (separate from communication failure).
- * @data: Where to put the incoming data from EC and outgoing data to EC.
- */
-struct cros_ec_command {
- uint32_t version;
- uint32_t command;
- uint32_t outsize;
- uint32_t insize;
- uint32_t result;
- uint8_t data[0];
-};
-
-/**
- * struct cros_ec_device - Information about a ChromeOS EC device.
- * @phys_name: Name of physical comms layer (e.g. 'i2c-4').
- * @dev: Device pointer for physical comms device
- * @was_wake_device: True if this device was set to wake the system from
- * sleep at the last suspend.
- * @cros_class: The class structure for this device.
- * @cmd_readmem: Direct read of the EC memory-mapped region, if supported.
- * @offset: Is within EC_LPC_ADDR_MEMMAP region.
- * @bytes: Number of bytes to read. zero means "read a string" (including
- * the trailing '\0'). At most only EC_MEMMAP_SIZE bytes can be
- * read. Caller must ensure that the buffer is large enough for the
- * result when reading a string.
- * @max_request: Max size of message requested.
- * @max_response: Max size of message response.
- * @max_passthru: Max sice of passthru message.
- * @proto_version: The protocol version used for this device.
- * @priv: Private data.
- * @irq: Interrupt to use.
- * @id: Device id.
- * @din: Input buffer (for data from EC). This buffer will always be
- * dword-aligned and include enough space for up to 7 word-alignment
- * bytes also, so we can ensure that the body of the message is always
- * dword-aligned (64-bit). We use this alignment to keep ARM and x86
- * happy. Probably word alignment would be OK, there might be a small
- * performance advantage to using dword.
- * @dout: Output buffer (for data to EC). This buffer will always be
- * dword-aligned and include enough space for up to 7 word-alignment
- * bytes also, so we can ensure that the body of the message is always
- * dword-aligned (64-bit). We use this alignment to keep ARM and x86
- * happy. Probably word alignment would be OK, there might be a small
- * performance advantage to using dword.
- * @din_size: Size of din buffer to allocate (zero to use static din).
- * @dout_size: Size of dout buffer to allocate (zero to use static dout).
- * @wake_enabled: True if this device can wake the system from sleep.
- * @suspended: True if this device had been suspended.
- * @cmd_xfer: Send command to EC and get response.
- * Returns the number of bytes received if the communication
- * succeeded, but that doesn't mean the EC was happy with the
- * command. The caller should check msg.result for the EC's result
- * code.
- * @pkt_xfer: Send packet to EC and get response.
- * @lock: One transaction at a time.
- * @mkbp_event_supported: True if this EC supports the MKBP event protocol.
- * @host_sleep_v1: True if this EC supports the sleep v1 command.
- * @event_notifier: Interrupt event notifier for transport devices.
- * @event_data: Raw payload transferred with the MKBP event.
- * @event_size: Size in bytes of the event data.
- * @host_event_wake_mask: Mask of host events that cause wake from suspend.
- * @ec: The platform_device used by the mfd driver to interface with the
- * main EC.
- * @pd: The platform_device used by the mfd driver to interface with the
- * PD behind an EC.
- */
-struct cros_ec_device {
- /* These are used by other drivers that want to talk to the EC */
- const char *phys_name;
- struct device *dev;
- bool was_wake_device;
- struct class *cros_class;
- int (*cmd_readmem)(struct cros_ec_device *ec, unsigned int offset,
- unsigned int bytes, void *dest);
-
- /* These are used to implement the platform-specific interface */
- u16 max_request;
- u16 max_response;
- u16 max_passthru;
- u16 proto_version;
- void *priv;
- int irq;
- u8 *din;
- u8 *dout;
- int din_size;
- int dout_size;
- bool wake_enabled;
- bool suspended;
- int (*cmd_xfer)(struct cros_ec_device *ec,
- struct cros_ec_command *msg);
- int (*pkt_xfer)(struct cros_ec_device *ec,
- struct cros_ec_command *msg);
- struct mutex lock;
- bool mkbp_event_supported;
- bool host_sleep_v1;
- struct blocking_notifier_head event_notifier;
-
- struct ec_response_get_next_event_v1 event_data;
- int event_size;
- u32 host_event_wake_mask;
- u32 last_resume_result;
-
- /* The platform devices used by the mfd driver */
- struct platform_device *ec;
- struct platform_device *pd;
-};
-
-/**
- * struct cros_ec_sensor_platform - ChromeOS EC sensor platform information.
- * @sensor_num: Id of the sensor, as reported by the EC.
- */
-struct cros_ec_sensor_platform {
- u8 sensor_num;
-};
-
-/**
- * struct cros_ec_platform - ChromeOS EC platform information.
- * @ec_name: Name of EC device (e.g. 'cros-ec', 'cros-pd', ...)
- * used in /dev/ and sysfs.
- * @cmd_offset: Offset to apply for each command. Set when
- * registering a device behind another one.
- */
-struct cros_ec_platform {
- const char *ec_name;
- u16 cmd_offset;
-};
-
-struct cros_ec_debugfs;
/**
* struct cros_ec_dev - ChromeOS EC device entry point.
#define to_cros_ec_dev(dev) container_of(dev, struct cros_ec_dev, class_dev)
-/**
- * cros_ec_suspend() - Handle a suspend operation for the ChromeOS EC device.
- * @ec_dev: Device to suspend.
- *
- * This can be called by drivers to handle a suspend event.
- *
- * Return: 0 on success or negative error code.
- */
-int cros_ec_suspend(struct cros_ec_device *ec_dev);
-
-/**
- * cros_ec_resume() - Handle a resume operation for the ChromeOS EC device.
- * @ec_dev: Device to resume.
- *
- * This can be called by drivers to handle a resume event.
- *
- * Return: 0 on success or negative error code.
- */
-int cros_ec_resume(struct cros_ec_device *ec_dev);
-
-/**
- * cros_ec_prepare_tx() - Prepare an outgoing message in the output buffer.
- * @ec_dev: Device to register.
- * @msg: Message to write.
- *
- * This is intended to be used by all ChromeOS EC drivers, but at present
- * only SPI uses it. Once LPC uses the same protocol it can start using it.
- * I2C could use it now, with a refactor of the existing code.
- *
- * Return: 0 on success or negative error code.
- */
-int cros_ec_prepare_tx(struct cros_ec_device *ec_dev,
- struct cros_ec_command *msg);
-
-/**
- * cros_ec_check_result() - Check ec_msg->result.
- * @ec_dev: EC device.
- * @msg: Message to check.
- *
- * This is used by ChromeOS EC drivers to check the ec_msg->result for
- * errors and to warn about them.
- *
- * Return: 0 on success or negative error code.
- */
-int cros_ec_check_result(struct cros_ec_device *ec_dev,
- struct cros_ec_command *msg);
-
-/**
- * cros_ec_cmd_xfer() - Send a command to the ChromeOS EC.
- * @ec_dev: EC device.
- * @msg: Message to write.
- *
- * Call this to send a command to the ChromeOS EC. This should be used
- * instead of calling the EC's cmd_xfer() callback directly.
- *
- * Return: 0 on success or negative error code.
- */
-int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev,
- struct cros_ec_command *msg);
-
-/**
- * cros_ec_cmd_xfer_status() - Send a command to the ChromeOS EC.
- * @ec_dev: EC device.
- * @msg: Message to write.
- *
- * This function is identical to cros_ec_cmd_xfer, except it returns success
- * status only if both the command was transmitted successfully and the EC
- * replied with success status. It's not necessary to check msg->result when
- * using this function.
- *
- * Return: The number of bytes transferred on success or negative error code.
- */
-int cros_ec_cmd_xfer_status(struct cros_ec_device *ec_dev,
- struct cros_ec_command *msg);
-
-/**
- * cros_ec_register() - Register a new ChromeOS EC, using the provided info.
- * @ec_dev: Device to register.
- *
- * Before calling this, allocate a pointer to a new device and then fill
- * in all the fields up to the --private-- marker.
- *
- * Return: 0 on success or negative error code.
- */
-int cros_ec_register(struct cros_ec_device *ec_dev);
-
-/**
- * cros_ec_unregister() - Remove a ChromeOS EC.
- * @ec_dev: Device to unregister.
- *
- * Call this to deregister a ChromeOS EC, then clean up any private data.
- *
- * Return: 0 on success or negative error code.
- */
-int cros_ec_unregister(struct cros_ec_device *ec_dev);
-
-/**
- * cros_ec_query_all() - Query the protocol version supported by the
- * ChromeOS EC.
- * @ec_dev: Device to register.
- *
- * Return: 0 on success or negative error code.
- */
-int cros_ec_query_all(struct cros_ec_device *ec_dev);
-
-/**
- * cros_ec_get_next_event() - Fetch next event from the ChromeOS EC.
- * @ec_dev: Device to fetch event from.
- * @wake_event: Pointer to a bool set to true upon return if the event might be
- * treated as a wake event. Ignored if null.
- *
- * Return: negative error code on errors; 0 for no data; or else number of
- * bytes received (i.e., an event was retrieved successfully). Event types are
- * written out to @ec_dev->event_data.event_type on success.
- */
-int cros_ec_get_next_event(struct cros_ec_device *ec_dev, bool *wake_event);
-
-/**
- * cros_ec_get_host_event() - Return a mask of event set by the ChromeOS EC.
- * @ec_dev: Device to fetch event from.
- *
- * When MKBP is supported, when the EC raises an interrupt, we collect the
- * events raised and call the functions in the ec notifier. This function
- * is a helper to know which events are raised.
- *
- * Return: 0 on error or non-zero bitmask of one or more EC_HOST_EVENT_*.
- */
-u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev);
-
#endif /* __LINUX_MFD_CROS_EC_H */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Host communication command constants for ChromeOS EC
- *
- * Copyright (C) 2012 Google, Inc
- *
- * NOTE: This file is auto-generated from ChromeOS EC Open Source code from
- * https://chromium.googlesource.com/chromiumos/platform/ec/+/master/include/ec_commands.h
- */
-
-/* Host communication command constants for Chrome EC */
-
-#ifndef __CROS_EC_COMMANDS_H
-#define __CROS_EC_COMMANDS_H
-
-
-
-
-#define BUILD_ASSERT(_cond)
-
-/*
- * Current version of this protocol
- *
- * TODO(crosbug.com/p/11223): This is effectively useless; protocol is
- * determined in other ways. Remove this once the kernel code no longer
- * depends on it.
- */
-#define EC_PROTO_VERSION 0x00000002
-
-/* Command version mask */
-#define EC_VER_MASK(version) BIT(version)
-
-/* I/O addresses for ACPI commands */
-#define EC_LPC_ADDR_ACPI_DATA 0x62
-#define EC_LPC_ADDR_ACPI_CMD 0x66
-
-/* I/O addresses for host command */
-#define EC_LPC_ADDR_HOST_DATA 0x200
-#define EC_LPC_ADDR_HOST_CMD 0x204
-
-/* I/O addresses for host command args and params */
-/* Protocol version 2 */
-#define EC_LPC_ADDR_HOST_ARGS 0x800 /* And 0x801, 0x802, 0x803 */
-#define EC_LPC_ADDR_HOST_PARAM 0x804 /* For version 2 params; size is
- * EC_PROTO2_MAX_PARAM_SIZE
- */
-/* Protocol version 3 */
-#define EC_LPC_ADDR_HOST_PACKET 0x800 /* Offset of version 3 packet */
-#define EC_LPC_HOST_PACKET_SIZE 0x100 /* Max size of version 3 packet */
-
-/*
- * The actual block is 0x800-0x8ff, but some BIOSes think it's 0x880-0x8ff
- * and they tell the kernel that so we have to think of it as two parts.
- */
-#define EC_HOST_CMD_REGION0 0x800
-#define EC_HOST_CMD_REGION1 0x880
-#define EC_HOST_CMD_REGION_SIZE 0x80
-
-/* EC command register bit functions */
-#define EC_LPC_CMDR_DATA BIT(0) /* Data ready for host to read */
-#define EC_LPC_CMDR_PENDING BIT(1) /* Write pending to EC */
-#define EC_LPC_CMDR_BUSY BIT(2) /* EC is busy processing a command */
-#define EC_LPC_CMDR_CMD BIT(3) /* Last host write was a command */
-#define EC_LPC_CMDR_ACPI_BRST BIT(4) /* Burst mode (not used) */
-#define EC_LPC_CMDR_SCI BIT(5) /* SCI event is pending */
-#define EC_LPC_CMDR_SMI BIT(6) /* SMI event is pending */
-
-#define EC_LPC_ADDR_MEMMAP 0x900
-#define EC_MEMMAP_SIZE 255 /* ACPI IO buffer max is 255 bytes */
-#define EC_MEMMAP_TEXT_MAX 8 /* Size of a string in the memory map */
-
-/* The offset address of each type of data in mapped memory. */
-#define EC_MEMMAP_TEMP_SENSOR 0x00 /* Temp sensors 0x00 - 0x0f */
-#define EC_MEMMAP_FAN 0x10 /* Fan speeds 0x10 - 0x17 */
-#define EC_MEMMAP_TEMP_SENSOR_B 0x18 /* More temp sensors 0x18 - 0x1f */
-#define EC_MEMMAP_ID 0x20 /* 0x20 == 'E', 0x21 == 'C' */
-#define EC_MEMMAP_ID_VERSION 0x22 /* Version of data in 0x20 - 0x2f */
-#define EC_MEMMAP_THERMAL_VERSION 0x23 /* Version of data in 0x00 - 0x1f */
-#define EC_MEMMAP_BATTERY_VERSION 0x24 /* Version of data in 0x40 - 0x7f */
-#define EC_MEMMAP_SWITCHES_VERSION 0x25 /* Version of data in 0x30 - 0x33 */
-#define EC_MEMMAP_EVENTS_VERSION 0x26 /* Version of data in 0x34 - 0x3f */
-#define EC_MEMMAP_HOST_CMD_FLAGS 0x27 /* Host cmd interface flags (8 bits) */
-/* Unused 0x28 - 0x2f */
-#define EC_MEMMAP_SWITCHES 0x30 /* 8 bits */
-/* Unused 0x31 - 0x33 */
-#define EC_MEMMAP_HOST_EVENTS 0x34 /* 64 bits */
-/* Battery values are all 32 bits, unless otherwise noted. */
-#define EC_MEMMAP_BATT_VOLT 0x40 /* Battery Present Voltage */
-#define EC_MEMMAP_BATT_RATE 0x44 /* Battery Present Rate */
-#define EC_MEMMAP_BATT_CAP 0x48 /* Battery Remaining Capacity */
-#define EC_MEMMAP_BATT_FLAG 0x4c /* Battery State, see below (8-bit) */
-#define EC_MEMMAP_BATT_COUNT 0x4d /* Battery Count (8-bit) */
-#define EC_MEMMAP_BATT_INDEX 0x4e /* Current Battery Data Index (8-bit) */
-/* Unused 0x4f */
-#define EC_MEMMAP_BATT_DCAP 0x50 /* Battery Design Capacity */
-#define EC_MEMMAP_BATT_DVLT 0x54 /* Battery Design Voltage */
-#define EC_MEMMAP_BATT_LFCC 0x58 /* Battery Last Full Charge Capacity */
-#define EC_MEMMAP_BATT_CCNT 0x5c /* Battery Cycle Count */
-/* Strings are all 8 bytes (EC_MEMMAP_TEXT_MAX) */
-#define EC_MEMMAP_BATT_MFGR 0x60 /* Battery Manufacturer String */
-#define EC_MEMMAP_BATT_MODEL 0x68 /* Battery Model Number String */
-#define EC_MEMMAP_BATT_SERIAL 0x70 /* Battery Serial Number String */
-#define EC_MEMMAP_BATT_TYPE 0x78 /* Battery Type String */
-#define EC_MEMMAP_ALS 0x80 /* ALS readings in lux (2 X 16 bits) */
-/* Unused 0x84 - 0x8f */
-#define EC_MEMMAP_ACC_STATUS 0x90 /* Accelerometer status (8 bits )*/
-/* Unused 0x91 */
-#define EC_MEMMAP_ACC_DATA 0x92 /* Accelerometers data 0x92 - 0x9f */
-/* 0x92: Lid Angle if available, LID_ANGLE_UNRELIABLE otherwise */
-/* 0x94 - 0x99: 1st Accelerometer */
-/* 0x9a - 0x9f: 2nd Accelerometer */
-#define EC_MEMMAP_GYRO_DATA 0xa0 /* Gyroscope data 0xa0 - 0xa5 */
-/* Unused 0xa6 - 0xdf */
-
-/*
- * ACPI is unable to access memory mapped data at or above this offset due to
- * limitations of the ACPI protocol. Do not place data in the range 0xe0 - 0xfe
- * which might be needed by ACPI.
- */
-#define EC_MEMMAP_NO_ACPI 0xe0
-
-/* Define the format of the accelerometer mapped memory status byte. */
-#define EC_MEMMAP_ACC_STATUS_SAMPLE_ID_MASK 0x0f
-#define EC_MEMMAP_ACC_STATUS_BUSY_BIT BIT(4)
-#define EC_MEMMAP_ACC_STATUS_PRESENCE_BIT BIT(7)
-
-/* Number of temp sensors at EC_MEMMAP_TEMP_SENSOR */
-#define EC_TEMP_SENSOR_ENTRIES 16
-/*
- * Number of temp sensors at EC_MEMMAP_TEMP_SENSOR_B.
- *
- * Valid only if EC_MEMMAP_THERMAL_VERSION returns >= 2.
- */
-#define EC_TEMP_SENSOR_B_ENTRIES 8
-
-/* Special values for mapped temperature sensors */
-#define EC_TEMP_SENSOR_NOT_PRESENT 0xff
-#define EC_TEMP_SENSOR_ERROR 0xfe
-#define EC_TEMP_SENSOR_NOT_POWERED 0xfd
-#define EC_TEMP_SENSOR_NOT_CALIBRATED 0xfc
-/*
- * The offset of temperature value stored in mapped memory. This allows
- * reporting a temperature range of 200K to 454K = -73C to 181C.
- */
-#define EC_TEMP_SENSOR_OFFSET 200
-
-/*
- * Number of ALS readings at EC_MEMMAP_ALS
- */
-#define EC_ALS_ENTRIES 2
-
-/*
- * The default value a temperature sensor will return when it is present but
- * has not been read this boot. This is a reasonable number to avoid
- * triggering alarms on the host.
- */
-#define EC_TEMP_SENSOR_DEFAULT (296 - EC_TEMP_SENSOR_OFFSET)
-
-#define EC_FAN_SPEED_ENTRIES 4 /* Number of fans at EC_MEMMAP_FAN */
-#define EC_FAN_SPEED_NOT_PRESENT 0xffff /* Entry not present */
-#define EC_FAN_SPEED_STALLED 0xfffe /* Fan stalled */
-
-/* Battery bit flags at EC_MEMMAP_BATT_FLAG. */
-#define EC_BATT_FLAG_AC_PRESENT 0x01
-#define EC_BATT_FLAG_BATT_PRESENT 0x02
-#define EC_BATT_FLAG_DISCHARGING 0x04
-#define EC_BATT_FLAG_CHARGING 0x08
-#define EC_BATT_FLAG_LEVEL_CRITICAL 0x10
-/* Set if some of the static/dynamic data is invalid (or outdated). */
-#define EC_BATT_FLAG_INVALID_DATA 0x20
-
-/* Switch flags at EC_MEMMAP_SWITCHES */
-#define EC_SWITCH_LID_OPEN 0x01
-#define EC_SWITCH_POWER_BUTTON_PRESSED 0x02
-#define EC_SWITCH_WRITE_PROTECT_DISABLED 0x04
-/* Was recovery requested via keyboard; now unused. */
-#define EC_SWITCH_IGNORE1 0x08
-/* Recovery requested via dedicated signal (from servo board) */
-#define EC_SWITCH_DEDICATED_RECOVERY 0x10
-/* Was fake developer mode switch; now unused. Remove in next refactor. */
-#define EC_SWITCH_IGNORE0 0x20
-
-/* Host command interface flags */
-/* Host command interface supports LPC args (LPC interface only) */
-#define EC_HOST_CMD_FLAG_LPC_ARGS_SUPPORTED 0x01
-/* Host command interface supports version 3 protocol */
-#define EC_HOST_CMD_FLAG_VERSION_3 0x02
-
-/* Wireless switch flags */
-#define EC_WIRELESS_SWITCH_ALL ~0x00 /* All flags */
-#define EC_WIRELESS_SWITCH_WLAN 0x01 /* WLAN radio */
-#define EC_WIRELESS_SWITCH_BLUETOOTH 0x02 /* Bluetooth radio */
-#define EC_WIRELESS_SWITCH_WWAN 0x04 /* WWAN power */
-#define EC_WIRELESS_SWITCH_WLAN_POWER 0x08 /* WLAN power */
-
-/*****************************************************************************/
-/*
- * ACPI commands
- *
- * These are valid ONLY on the ACPI command/data port.
- */
-
-/*
- * ACPI Read Embedded Controller
- *
- * This reads from ACPI memory space on the EC (EC_ACPI_MEM_*).
- *
- * Use the following sequence:
- *
- * - Write EC_CMD_ACPI_READ to EC_LPC_ADDR_ACPI_CMD
- * - Wait for EC_LPC_CMDR_PENDING bit to clear
- * - Write address to EC_LPC_ADDR_ACPI_DATA
- * - Wait for EC_LPC_CMDR_DATA bit to set
- * - Read value from EC_LPC_ADDR_ACPI_DATA
- */
-#define EC_CMD_ACPI_READ 0x0080
-
-/*
- * ACPI Write Embedded Controller
- *
- * This reads from ACPI memory space on the EC (EC_ACPI_MEM_*).
- *
- * Use the following sequence:
- *
- * - Write EC_CMD_ACPI_WRITE to EC_LPC_ADDR_ACPI_CMD
- * - Wait for EC_LPC_CMDR_PENDING bit to clear
- * - Write address to EC_LPC_ADDR_ACPI_DATA
- * - Wait for EC_LPC_CMDR_PENDING bit to clear
- * - Write value to EC_LPC_ADDR_ACPI_DATA
- */
-#define EC_CMD_ACPI_WRITE 0x0081
-
-/*
- * ACPI Burst Enable Embedded Controller
- *
- * This enables burst mode on the EC to allow the host to issue several
- * commands back-to-back. While in this mode, writes to mapped multi-byte
- * data are locked out to ensure data consistency.
- */
-#define EC_CMD_ACPI_BURST_ENABLE 0x0082
-
-/*
- * ACPI Burst Disable Embedded Controller
- *
- * This disables burst mode on the EC and stops preventing EC writes to mapped
- * multi-byte data.
- */
-#define EC_CMD_ACPI_BURST_DISABLE 0x0083
-
-/*
- * ACPI Query Embedded Controller
- *
- * This clears the lowest-order bit in the currently pending host events, and
- * sets the result code to the 1-based index of the bit (event 0x00000001 = 1,
- * event 0x80000000 = 32), or 0 if no event was pending.
- */
-#define EC_CMD_ACPI_QUERY_EVENT 0x0084
-
-/* Valid addresses in ACPI memory space, for read/write commands */
-
-/* Memory space version; set to EC_ACPI_MEM_VERSION_CURRENT */
-#define EC_ACPI_MEM_VERSION 0x00
-/*
- * Test location; writing value here updates test compliment byte to (0xff -
- * value).
- */
-#define EC_ACPI_MEM_TEST 0x01
-/* Test compliment; writes here are ignored. */
-#define EC_ACPI_MEM_TEST_COMPLIMENT 0x02
-
-/* Keyboard backlight brightness percent (0 - 100) */
-#define EC_ACPI_MEM_KEYBOARD_BACKLIGHT 0x03
-/* DPTF Target Fan Duty (0-100, 0xff for auto/none) */
-#define EC_ACPI_MEM_FAN_DUTY 0x04
-
-/*
- * DPTF temp thresholds. Any of the EC's temp sensors can have up to two
- * independent thresholds attached to them. The current value of the ID
- * register determines which sensor is affected by the THRESHOLD and COMMIT
- * registers. The THRESHOLD register uses the same EC_TEMP_SENSOR_OFFSET scheme
- * as the memory-mapped sensors. The COMMIT register applies those settings.
- *
- * The spec does not mandate any way to read back the threshold settings
- * themselves, but when a threshold is crossed the AP needs a way to determine
- * which sensor(s) are responsible. Each reading of the ID register clears and
- * returns one sensor ID that has crossed one of its threshold (in either
- * direction) since the last read. A value of 0xFF means "no new thresholds
- * have tripped". Setting or enabling the thresholds for a sensor will clear
- * the unread event count for that sensor.
- */
-#define EC_ACPI_MEM_TEMP_ID 0x05
-#define EC_ACPI_MEM_TEMP_THRESHOLD 0x06
-#define EC_ACPI_MEM_TEMP_COMMIT 0x07
-/*
- * Here are the bits for the COMMIT register:
- * bit 0 selects the threshold index for the chosen sensor (0/1)
- * bit 1 enables/disables the selected threshold (0 = off, 1 = on)
- * Each write to the commit register affects one threshold.
- */
-#define EC_ACPI_MEM_TEMP_COMMIT_SELECT_MASK BIT(0)
-#define EC_ACPI_MEM_TEMP_COMMIT_ENABLE_MASK BIT(1)
-/*
- * Example:
- *
- * Set the thresholds for sensor 2 to 50 C and 60 C:
- * write 2 to [0x05] -- select temp sensor 2
- * write 0x7b to [0x06] -- C_TO_K(50) - EC_TEMP_SENSOR_OFFSET
- * write 0x2 to [0x07] -- enable threshold 0 with this value
- * write 0x85 to [0x06] -- C_TO_K(60) - EC_TEMP_SENSOR_OFFSET
- * write 0x3 to [0x07] -- enable threshold 1 with this value
- *
- * Disable the 60 C threshold, leaving the 50 C threshold unchanged:
- * write 2 to [0x05] -- select temp sensor 2
- * write 0x1 to [0x07] -- disable threshold 1
- */
-
-/* DPTF battery charging current limit */
-#define EC_ACPI_MEM_CHARGING_LIMIT 0x08
-
-/* Charging limit is specified in 64 mA steps */
-#define EC_ACPI_MEM_CHARGING_LIMIT_STEP_MA 64
-/* Value to disable DPTF battery charging limit */
-#define EC_ACPI_MEM_CHARGING_LIMIT_DISABLED 0xff
-
-/*
- * Report device orientation
- * Bits Definition
- * 3:1 Device DPTF Profile Number (DDPN)
- * 0 = Reserved for backward compatibility (indicates no valid
- * profile number. Host should fall back to using TBMD).
- * 1..7 = DPTF Profile number to indicate to host which table needs
- * to be loaded.
- * 0 Tablet Mode Device Indicator (TBMD)
- */
-#define EC_ACPI_MEM_DEVICE_ORIENTATION 0x09
-#define EC_ACPI_MEM_TBMD_SHIFT 0
-#define EC_ACPI_MEM_TBMD_MASK 0x1
-#define EC_ACPI_MEM_DDPN_SHIFT 1
-#define EC_ACPI_MEM_DDPN_MASK 0x7
-
-/*
- * Report device features. Uses the same format as the host command, except:
- *
- * bit 0 (EC_FEATURE_LIMITED) changes meaning from "EC code has a limited set
- * of features", which is of limited interest when the system is already
- * interpreting ACPI bytecode, to "EC_FEATURES[0-7] is not supported". Since
- * these are supported, it defaults to 0.
- * This allows detecting the presence of this field since older versions of
- * the EC codebase would simply return 0xff to that unknown address. Check
- * FEATURES0 != 0xff (or FEATURES0[0] == 0) to make sure that the other bits
- * are valid.
- */
-#define EC_ACPI_MEM_DEVICE_FEATURES0 0x0a
-#define EC_ACPI_MEM_DEVICE_FEATURES1 0x0b
-#define EC_ACPI_MEM_DEVICE_FEATURES2 0x0c
-#define EC_ACPI_MEM_DEVICE_FEATURES3 0x0d
-#define EC_ACPI_MEM_DEVICE_FEATURES4 0x0e
-#define EC_ACPI_MEM_DEVICE_FEATURES5 0x0f
-#define EC_ACPI_MEM_DEVICE_FEATURES6 0x10
-#define EC_ACPI_MEM_DEVICE_FEATURES7 0x11
-
-#define EC_ACPI_MEM_BATTERY_INDEX 0x12
-
-/*
- * USB Port Power. Each bit indicates whether the corresponding USB ports' power
- * is enabled (1) or disabled (0).
- * bit 0 USB port ID 0
- * ...
- * bit 7 USB port ID 7
- */
-#define EC_ACPI_MEM_USB_PORT_POWER 0x13
-
-/*
- * ACPI addresses 0x20 - 0xff map to EC_MEMMAP offset 0x00 - 0xdf. This data
- * is read-only from the AP. Added in EC_ACPI_MEM_VERSION 2.
- */
-#define EC_ACPI_MEM_MAPPED_BEGIN 0x20
-#define EC_ACPI_MEM_MAPPED_SIZE 0xe0
-
-/* Current version of ACPI memory address space */
-#define EC_ACPI_MEM_VERSION_CURRENT 2
-
-
-/*
- * This header file is used in coreboot both in C and ACPI code. The ACPI code
- * is pre-processed to handle constants but the ASL compiler is unable to
- * handle actual C code so keep it separate.
- */
-
-
-/*
- * Attributes for EC request and response packets. Just defining __packed
- * results in inefficient assembly code on ARM, if the structure is actually
- * 32-bit aligned, as it should be for all buffers.
- *
- * Be very careful when adding these to existing structures. They will round
- * up the structure size to the specified boundary.
- *
- * Also be very careful to make that if a structure is included in some other
- * parent structure that the alignment will still be true given the packing of
- * the parent structure. This is particularly important if the sub-structure
- * will be passed as a pointer to another function, since that function will
- * not know about the misaligment caused by the parent structure's packing.
- *
- * Also be very careful using __packed - particularly when nesting non-packed
- * structures inside packed ones. In fact, DO NOT use __packed directly;
- * always use one of these attributes.
- *
- * Once everything is annotated properly, the following search strings should
- * not return ANY matches in this file other than right here:
- *
- * "__packed" - generates inefficient code; all sub-structs must also be packed
- *
- * "struct [^_]" - all structs should be annotated, except for structs that are
- * members of other structs/unions (and their original declarations should be
- * annotated).
- */
-
-/*
- * Packed structures make no assumption about alignment, so they do inefficient
- * byte-wise reads.
- */
-#define __ec_align1 __packed
-#define __ec_align2 __packed
-#define __ec_align4 __packed
-#define __ec_align_size1 __packed
-#define __ec_align_offset1 __packed
-#define __ec_align_offset2 __packed
-#define __ec_todo_packed __packed
-#define __ec_todo_unpacked
-
-
-/* LPC command status byte masks */
-/* EC has written a byte in the data register and host hasn't read it yet */
-#define EC_LPC_STATUS_TO_HOST 0x01
-/* Host has written a command/data byte and the EC hasn't read it yet */
-#define EC_LPC_STATUS_FROM_HOST 0x02
-/* EC is processing a command */
-#define EC_LPC_STATUS_PROCESSING 0x04
-/* Last write to EC was a command, not data */
-#define EC_LPC_STATUS_LAST_CMD 0x08
-/* EC is in burst mode */
-#define EC_LPC_STATUS_BURST_MODE 0x10
-/* SCI event is pending (requesting SCI query) */
-#define EC_LPC_STATUS_SCI_PENDING 0x20
-/* SMI event is pending (requesting SMI query) */
-#define EC_LPC_STATUS_SMI_PENDING 0x40
-/* (reserved) */
-#define EC_LPC_STATUS_RESERVED 0x80
-
-/*
- * EC is busy. This covers both the EC processing a command, and the host has
- * written a new command but the EC hasn't picked it up yet.
- */
-#define EC_LPC_STATUS_BUSY_MASK \
- (EC_LPC_STATUS_FROM_HOST | EC_LPC_STATUS_PROCESSING)
-
-/*
- * Host command response codes (16-bit). Note that response codes should be
- * stored in a uint16_t rather than directly in a value of this type.
- */
-enum ec_status {
- EC_RES_SUCCESS = 0,
- EC_RES_INVALID_COMMAND = 1,
- EC_RES_ERROR = 2,
- EC_RES_INVALID_PARAM = 3,
- EC_RES_ACCESS_DENIED = 4,
- EC_RES_INVALID_RESPONSE = 5,
- EC_RES_INVALID_VERSION = 6,
- EC_RES_INVALID_CHECKSUM = 7,
- EC_RES_IN_PROGRESS = 8, /* Accepted, command in progress */
- EC_RES_UNAVAILABLE = 9, /* No response available */
- EC_RES_TIMEOUT = 10, /* We got a timeout */
- EC_RES_OVERFLOW = 11, /* Table / data overflow */
- EC_RES_INVALID_HEADER = 12, /* Header contains invalid data */
- EC_RES_REQUEST_TRUNCATED = 13, /* Didn't get the entire request */
- EC_RES_RESPONSE_TOO_BIG = 14, /* Response was too big to handle */
- EC_RES_BUS_ERROR = 15, /* Communications bus error */
- EC_RES_BUSY = 16, /* Up but too busy. Should retry */
- EC_RES_INVALID_HEADER_VERSION = 17, /* Header version invalid */
- EC_RES_INVALID_HEADER_CRC = 18, /* Header CRC invalid */
- EC_RES_INVALID_DATA_CRC = 19, /* Data CRC invalid */
- EC_RES_DUP_UNAVAILABLE = 20, /* Can't resend response */
-};
-
-/*
- * Host event codes. Note these are 1-based, not 0-based, because ACPI query
- * EC command uses code 0 to mean "no event pending". We explicitly specify
- * each value in the enum listing so they won't change if we delete/insert an
- * item or rearrange the list (it needs to be stable across platforms, not
- * just within a single compiled instance).
- */
-enum host_event_code {
- EC_HOST_EVENT_LID_CLOSED = 1,
- EC_HOST_EVENT_LID_OPEN = 2,
- EC_HOST_EVENT_POWER_BUTTON = 3,
- EC_HOST_EVENT_AC_CONNECTED = 4,
- EC_HOST_EVENT_AC_DISCONNECTED = 5,
- EC_HOST_EVENT_BATTERY_LOW = 6,
- EC_HOST_EVENT_BATTERY_CRITICAL = 7,
- EC_HOST_EVENT_BATTERY = 8,
- EC_HOST_EVENT_THERMAL_THRESHOLD = 9,
- /* Event generated by a device attached to the EC */
- EC_HOST_EVENT_DEVICE = 10,
- EC_HOST_EVENT_THERMAL = 11,
- EC_HOST_EVENT_USB_CHARGER = 12,
- EC_HOST_EVENT_KEY_PRESSED = 13,
- /*
- * EC has finished initializing the host interface. The host can check
- * for this event following sending a EC_CMD_REBOOT_EC command to
- * determine when the EC is ready to accept subsequent commands.
- */
- EC_HOST_EVENT_INTERFACE_READY = 14,
- /* Keyboard recovery combo has been pressed */
- EC_HOST_EVENT_KEYBOARD_RECOVERY = 15,
-
- /* Shutdown due to thermal overload */
- EC_HOST_EVENT_THERMAL_SHUTDOWN = 16,
- /* Shutdown due to battery level too low */
- EC_HOST_EVENT_BATTERY_SHUTDOWN = 17,
-
- /* Suggest that the AP throttle itself */
- EC_HOST_EVENT_THROTTLE_START = 18,
- /* Suggest that the AP resume normal speed */
- EC_HOST_EVENT_THROTTLE_STOP = 19,
-
- /* Hang detect logic detected a hang and host event timeout expired */
- EC_HOST_EVENT_HANG_DETECT = 20,
- /* Hang detect logic detected a hang and warm rebooted the AP */
- EC_HOST_EVENT_HANG_REBOOT = 21,
-
- /* PD MCU triggering host event */
- EC_HOST_EVENT_PD_MCU = 22,
-
- /* Battery Status flags have changed */
- EC_HOST_EVENT_BATTERY_STATUS = 23,
-
- /* EC encountered a panic, triggering a reset */
- EC_HOST_EVENT_PANIC = 24,
-
- /* Keyboard fastboot combo has been pressed */
- EC_HOST_EVENT_KEYBOARD_FASTBOOT = 25,
-
- /* EC RTC event occurred */
- EC_HOST_EVENT_RTC = 26,
-
- /* Emulate MKBP event */
- EC_HOST_EVENT_MKBP = 27,
-
- /* EC desires to change state of host-controlled USB mux */
- EC_HOST_EVENT_USB_MUX = 28,
-
- /* TABLET/LAPTOP mode or detachable base attach/detach event */
- EC_HOST_EVENT_MODE_CHANGE = 29,
-
- /* Keyboard recovery combo with hardware reinitialization */
- EC_HOST_EVENT_KEYBOARD_RECOVERY_HW_REINIT = 30,
-
- /*
- * The high bit of the event mask is not used as a host event code. If
- * it reads back as set, then the entire event mask should be
- * considered invalid by the host. This can happen when reading the
- * raw event status via EC_MEMMAP_HOST_EVENTS but the LPC interface is
- * not initialized on the EC, or improperly configured on the host.
- */
- EC_HOST_EVENT_INVALID = 32
-};
-/* Host event mask */
-#define EC_HOST_EVENT_MASK(event_code) BIT_ULL((event_code) - 1)
-
-/**
- * struct ec_lpc_host_args - Arguments at EC_LPC_ADDR_HOST_ARGS
- * @flags: The host argument flags.
- * @command_version: Command version.
- * @data_size: The length of data.
- * @checksum: Checksum; sum of command + flags + command_version + data_size +
- * all params/response data bytes.
- */
-struct ec_lpc_host_args {
- uint8_t flags;
- uint8_t command_version;
- uint8_t data_size;
- uint8_t checksum;
-} __ec_align4;
-
-/* Flags for ec_lpc_host_args.flags */
-/*
- * Args are from host. Data area at EC_LPC_ADDR_HOST_PARAM contains command
- * params.
- *
- * If EC gets a command and this flag is not set, this is an old-style command.
- * Command version is 0 and params from host are at EC_LPC_ADDR_OLD_PARAM with
- * unknown length. EC must respond with an old-style response (that is,
- * without setting EC_HOST_ARGS_FLAG_TO_HOST).
- */
-#define EC_HOST_ARGS_FLAG_FROM_HOST 0x01
-/*
- * Args are from EC. Data area at EC_LPC_ADDR_HOST_PARAM contains response.
- *
- * If EC responds to a command and this flag is not set, this is an old-style
- * response. Command version is 0 and response data from EC is at
- * EC_LPC_ADDR_OLD_PARAM with unknown length.
- */
-#define EC_HOST_ARGS_FLAG_TO_HOST 0x02
-
-/*****************************************************************************/
-/*
- * Byte codes returned by EC over SPI interface.
- *
- * These can be used by the AP to debug the EC interface, and to determine
- * when the EC is not in a state where it will ever get around to responding
- * to the AP.
- *
- * Example of sequence of bytes read from EC for a current good transfer:
- * 1. - - AP asserts chip select (CS#)
- * 2. EC_SPI_OLD_READY - AP sends first byte(s) of request
- * 3. - - EC starts handling CS# interrupt
- * 4. EC_SPI_RECEIVING - AP sends remaining byte(s) of request
- * 5. EC_SPI_PROCESSING - EC starts processing request; AP is clocking in
- * bytes looking for EC_SPI_FRAME_START
- * 6. - - EC finishes processing and sets up response
- * 7. EC_SPI_FRAME_START - AP reads frame byte
- * 8. (response packet) - AP reads response packet
- * 9. EC_SPI_PAST_END - Any additional bytes read by AP
- * 10 - - AP deasserts chip select
- * 11 - - EC processes CS# interrupt and sets up DMA for
- * next request
- *
- * If the AP is waiting for EC_SPI_FRAME_START and sees any value other than
- * the following byte values:
- * EC_SPI_OLD_READY
- * EC_SPI_RX_READY
- * EC_SPI_RECEIVING
- * EC_SPI_PROCESSING
- *
- * Then the EC found an error in the request, or was not ready for the request
- * and lost data. The AP should give up waiting for EC_SPI_FRAME_START,
- * because the EC is unable to tell when the AP is done sending its request.
- */
-
-/*
- * Framing byte which precedes a response packet from the EC. After sending a
- * request, the AP will clock in bytes until it sees the framing byte, then
- * clock in the response packet.
- */
-#define EC_SPI_FRAME_START 0xec
-
-/*
- * Padding bytes which are clocked out after the end of a response packet.
- */
-#define EC_SPI_PAST_END 0xed
-
-/*
- * EC is ready to receive, and has ignored the byte sent by the AP. EC expects
- * that the AP will send a valid packet header (starting with
- * EC_COMMAND_PROTOCOL_3) in the next 32 bytes.
- */
-#define EC_SPI_RX_READY 0xf8
-
-/*
- * EC has started receiving the request from the AP, but hasn't started
- * processing it yet.
- */
-#define EC_SPI_RECEIVING 0xf9
-
-/* EC has received the entire request from the AP and is processing it. */
-#define EC_SPI_PROCESSING 0xfa
-
-/*
- * EC received bad data from the AP, such as a packet header with an invalid
- * length. EC will ignore all data until chip select deasserts.
- */
-#define EC_SPI_RX_BAD_DATA 0xfb
-
-/*
- * EC received data from the AP before it was ready. That is, the AP asserted
- * chip select and started clocking data before the EC was ready to receive it.
- * EC will ignore all data until chip select deasserts.
- */
-#define EC_SPI_NOT_READY 0xfc
-
-/*
- * EC was ready to receive a request from the AP. EC has treated the byte sent
- * by the AP as part of a request packet, or (for old-style ECs) is processing
- * a fully received packet but is not ready to respond yet.
- */
-#define EC_SPI_OLD_READY 0xfd
-
-/*****************************************************************************/
-
-/*
- * Protocol version 2 for I2C and SPI send a request this way:
- *
- * 0 EC_CMD_VERSION0 + (command version)
- * 1 Command number
- * 2 Length of params = N
- * 3..N+2 Params, if any
- * N+3 8-bit checksum of bytes 0..N+2
- *
- * The corresponding response is:
- *
- * 0 Result code (EC_RES_*)
- * 1 Length of params = M
- * 2..M+1 Params, if any
- * M+2 8-bit checksum of bytes 0..M+1
- */
-#define EC_PROTO2_REQUEST_HEADER_BYTES 3
-#define EC_PROTO2_REQUEST_TRAILER_BYTES 1
-#define EC_PROTO2_REQUEST_OVERHEAD (EC_PROTO2_REQUEST_HEADER_BYTES + \
- EC_PROTO2_REQUEST_TRAILER_BYTES)
-
-#define EC_PROTO2_RESPONSE_HEADER_BYTES 2
-#define EC_PROTO2_RESPONSE_TRAILER_BYTES 1
-#define EC_PROTO2_RESPONSE_OVERHEAD (EC_PROTO2_RESPONSE_HEADER_BYTES + \
- EC_PROTO2_RESPONSE_TRAILER_BYTES)
-
-/* Parameter length was limited by the LPC interface */
-#define EC_PROTO2_MAX_PARAM_SIZE 0xfc
-
-/* Maximum request and response packet sizes for protocol version 2 */
-#define EC_PROTO2_MAX_REQUEST_SIZE (EC_PROTO2_REQUEST_OVERHEAD + \
- EC_PROTO2_MAX_PARAM_SIZE)
-#define EC_PROTO2_MAX_RESPONSE_SIZE (EC_PROTO2_RESPONSE_OVERHEAD + \
- EC_PROTO2_MAX_PARAM_SIZE)
-
-/*****************************************************************************/
-
-/*
- * Value written to legacy command port / prefix byte to indicate protocol
- * 3+ structs are being used. Usage is bus-dependent.
- */
-#define EC_COMMAND_PROTOCOL_3 0xda
-
-#define EC_HOST_REQUEST_VERSION 3
-
-/**
- * struct ec_host_request - Version 3 request from host.
- * @struct_version: Should be 3. The EC will return EC_RES_INVALID_HEADER if it
- * receives a header with a version it doesn't know how to
- * parse.
- * @checksum: Checksum of request and data; sum of all bytes including checksum
- * should total to 0.
- * @command: Command to send (EC_CMD_...)
- * @command_version: Command version.
- * @reserved: Unused byte in current protocol version; set to 0.
- * @data_len: Length of data which follows this header.
- */
-struct ec_host_request {
- uint8_t struct_version;
- uint8_t checksum;
- uint16_t command;
- uint8_t command_version;
- uint8_t reserved;
- uint16_t data_len;
-} __ec_align4;
-
-#define EC_HOST_RESPONSE_VERSION 3
-
-/**
- * struct ec_host_response - Version 3 response from EC.
- * @struct_version: Struct version (=3).
- * @checksum: Checksum of response and data; sum of all bytes including
- * checksum should total to 0.
- * @result: EC's response to the command (separate from communication failure)
- * @data_len: Length of data which follows this header.
- * @reserved: Unused bytes in current protocol version; set to 0.
- */
-struct ec_host_response {
- uint8_t struct_version;
- uint8_t checksum;
- uint16_t result;
- uint16_t data_len;
- uint16_t reserved;
-} __ec_align4;
-
-/*****************************************************************************/
-
-/*
- * Host command protocol V4.
- *
- * Packets always start with a request or response header. They are followed
- * by data_len bytes of data. If the data_crc_present flag is set, the data
- * bytes are followed by a CRC-8 of that data, using using x^8 + x^2 + x + 1
- * polynomial.
- *
- * Host algorithm when sending a request q:
- *
- * 101) tries_left=(some value, e.g. 3);
- * 102) q.seq_num++
- * 103) q.seq_dup=0
- * 104) Calculate q.header_crc.
- * 105) Send request q to EC.
- * 106) Wait for response r. Go to 201 if received or 301 if timeout.
- *
- * 201) If r.struct_version != 4, go to 301.
- * 202) If r.header_crc mismatches calculated CRC for r header, go to 301.
- * 203) If r.data_crc_present and r.data_crc mismatches, go to 301.
- * 204) If r.seq_num != q.seq_num, go to 301.
- * 205) If r.seq_dup == q.seq_dup, return success.
- * 207) If r.seq_dup == 1, go to 301.
- * 208) Return error.
- *
- * 301) If --tries_left <= 0, return error.
- * 302) If q.seq_dup == 1, go to 105.
- * 303) q.seq_dup = 1
- * 304) Go to 104.
- *
- * EC algorithm when receiving a request q.
- * EC has response buffer r, error buffer e.
- *
- * 101) If q.struct_version != 4, set e.result = EC_RES_INVALID_HEADER_VERSION
- * and go to 301
- * 102) If q.header_crc mismatches calculated CRC, set e.result =
- * EC_RES_INVALID_HEADER_CRC and go to 301
- * 103) If q.data_crc_present, calculate data CRC. If that mismatches the CRC
- * byte at the end of the packet, set e.result = EC_RES_INVALID_DATA_CRC
- * and go to 301.
- * 104) If q.seq_dup == 0, go to 201.
- * 105) If q.seq_num != r.seq_num, go to 201.
- * 106) If q.seq_dup == r.seq_dup, go to 205, else go to 203.
- *
- * 201) Process request q into response r.
- * 202) r.seq_num = q.seq_num
- * 203) r.seq_dup = q.seq_dup
- * 204) Calculate r.header_crc
- * 205) If r.data_len > 0 and data is no longer available, set e.result =
- * EC_RES_DUP_UNAVAILABLE and go to 301.
- * 206) Send response r.
- *
- * 301) e.seq_num = q.seq_num
- * 302) e.seq_dup = q.seq_dup
- * 303) Calculate e.header_crc.
- * 304) Send error response e.
- */
-
-/* Version 4 request from host */
-struct ec_host_request4 {
- /*
- * bits 0-3: struct_version: Structure version (=4)
- * bit 4: is_response: Is response (=0)
- * bits 5-6: seq_num: Sequence number
- * bit 7: seq_dup: Sequence duplicate flag
- */
- uint8_t fields0;
-
- /*
- * bits 0-4: command_version: Command version
- * bits 5-6: Reserved (set 0, ignore on read)
- * bit 7: data_crc_present: Is data CRC present after data
- */
- uint8_t fields1;
-
- /* Command code (EC_CMD_*) */
- uint16_t command;
-
- /* Length of data which follows this header (not including data CRC) */
- uint16_t data_len;
-
- /* Reserved (set 0, ignore on read) */
- uint8_t reserved;
-
- /* CRC-8 of above fields, using x^8 + x^2 + x + 1 polynomial */
- uint8_t header_crc;
-} __ec_align4;
-
-/* Version 4 response from EC */
-struct ec_host_response4 {
- /*
- * bits 0-3: struct_version: Structure version (=4)
- * bit 4: is_response: Is response (=1)
- * bits 5-6: seq_num: Sequence number
- * bit 7: seq_dup: Sequence duplicate flag
- */
- uint8_t fields0;
-
- /*
- * bits 0-6: Reserved (set 0, ignore on read)
- * bit 7: data_crc_present: Is data CRC present after data
- */
- uint8_t fields1;
-
- /* Result code (EC_RES_*) */
- uint16_t result;
-
- /* Length of data which follows this header (not including data CRC) */
- uint16_t data_len;
-
- /* Reserved (set 0, ignore on read) */
- uint8_t reserved;
-
- /* CRC-8 of above fields, using x^8 + x^2 + x + 1 polynomial */
- uint8_t header_crc;
-} __ec_align4;
-
-/* Fields in fields0 byte */
-#define EC_PACKET4_0_STRUCT_VERSION_MASK 0x0f
-#define EC_PACKET4_0_IS_RESPONSE_MASK 0x10
-#define EC_PACKET4_0_SEQ_NUM_SHIFT 5
-#define EC_PACKET4_0_SEQ_NUM_MASK 0x60
-#define EC_PACKET4_0_SEQ_DUP_MASK 0x80
-
-/* Fields in fields1 byte */
-#define EC_PACKET4_1_COMMAND_VERSION_MASK 0x1f /* (request only) */
-#define EC_PACKET4_1_DATA_CRC_PRESENT_MASK 0x80
-
-/*****************************************************************************/
-/*
- * Notes on commands:
- *
- * Each command is an 16-bit command value. Commands which take params or
- * return response data specify structures for that data. If no structure is
- * specified, the command does not input or output data, respectively.
- * Parameter/response length is implicit in the structs. Some underlying
- * communication protocols (I2C, SPI) may add length or checksum headers, but
- * those are implementation-dependent and not defined here.
- *
- * All commands MUST be #defined to be 4-digit UPPER CASE hex values
- * (e.g., 0x00AB, not 0xab) for CONFIG_HOSTCMD_SECTION_SORTED to work.
- */
-
-/*****************************************************************************/
-/* General / test commands */
-
-/*
- * Get protocol version, used to deal with non-backward compatible protocol
- * changes.
- */
-#define EC_CMD_PROTO_VERSION 0x0000
-
-/**
- * struct ec_response_proto_version - Response to the proto version command.
- * @version: The protocol version.
- */
-struct ec_response_proto_version {
- uint32_t version;
-} __ec_align4;
-
-/*
- * Hello. This is a simple command to test the EC is responsive to
- * commands.
- */
-#define EC_CMD_HELLO 0x0001
-
-/**
- * struct ec_params_hello - Parameters to the hello command.
- * @in_data: Pass anything here.
- */
-struct ec_params_hello {
- uint32_t in_data;
-} __ec_align4;
-
-/**
- * struct ec_response_hello - Response to the hello command.
- * @out_data: Output will be in_data + 0x01020304.
- */
-struct ec_response_hello {
- uint32_t out_data;
-} __ec_align4;
-
-/* Get version number */
-#define EC_CMD_GET_VERSION 0x0002
-
-enum ec_current_image {
- EC_IMAGE_UNKNOWN = 0,
- EC_IMAGE_RO,
- EC_IMAGE_RW
-};
-
-/**
- * struct ec_response_get_version - Response to the get version command.
- * @version_string_ro: Null-terminated RO firmware version string.
- * @version_string_rw: Null-terminated RW firmware version string.
- * @reserved: Unused bytes; was previously RW-B firmware version string.
- * @current_image: One of ec_current_image.
- */
-struct ec_response_get_version {
- char version_string_ro[32];
- char version_string_rw[32];
- char reserved[32];
- uint32_t current_image;
-} __ec_align4;
-
-/* Read test */
-#define EC_CMD_READ_TEST 0x0003
-
-/**
- * struct ec_params_read_test - Parameters for the read test command.
- * @offset: Starting value for read buffer.
- * @size: Size to read in bytes.
- */
-struct ec_params_read_test {
- uint32_t offset;
- uint32_t size;
-} __ec_align4;
-
-/**
- * struct ec_response_read_test - Response to the read test command.
- * @data: Data returned by the read test command.
- */
-struct ec_response_read_test {
- uint32_t data[32];
-} __ec_align4;
-
-/*
- * Get build information
- *
- * Response is null-terminated string.
- */
-#define EC_CMD_GET_BUILD_INFO 0x0004
-
-/* Get chip info */
-#define EC_CMD_GET_CHIP_INFO 0x0005
-
-/**
- * struct ec_response_get_chip_info - Response to the get chip info command.
- * @vendor: Null-terminated string for chip vendor.
- * @name: Null-terminated string for chip name.
- * @revision: Null-terminated string for chip mask version.
- */
-struct ec_response_get_chip_info {
- char vendor[32];
- char name[32];
- char revision[32];
-} __ec_align4;
-
-/* Get board HW version */
-#define EC_CMD_GET_BOARD_VERSION 0x0006
-
-/**
- * struct ec_response_board_version - Response to the board version command.
- * @board_version: A monotonously incrementing number.
- */
-struct ec_response_board_version {
- uint16_t board_version;
-} __ec_align2;
-
-/*
- * Read memory-mapped data.
- *
- * This is an alternate interface to memory-mapped data for bus protocols
- * which don't support direct-mapped memory - I2C, SPI, etc.
- *
- * Response is params.size bytes of data.
- */
-#define EC_CMD_READ_MEMMAP 0x0007
-
-/**
- * struct ec_params_read_memmap - Parameters for the read memory map command.
- * @offset: Offset in memmap (EC_MEMMAP_*).
- * @size: Size to read in bytes.
- */
-struct ec_params_read_memmap {
- uint8_t offset;
- uint8_t size;
-} __ec_align1;
-
-/* Read versions supported for a command */
-#define EC_CMD_GET_CMD_VERSIONS 0x0008
-
-/**
- * struct ec_params_get_cmd_versions - Parameters for the get command versions.
- * @cmd: Command to check.
- */
-struct ec_params_get_cmd_versions {
- uint8_t cmd;
-} __ec_align1;
-
-/**
- * struct ec_params_get_cmd_versions_v1 - Parameters for the get command
- * versions (v1)
- * @cmd: Command to check.
- */
-struct ec_params_get_cmd_versions_v1 {
- uint16_t cmd;
-} __ec_align2;
-
-/**
- * struct ec_response_get_cmd_version - Response to the get command versions.
- * @version_mask: Mask of supported versions; use EC_VER_MASK() to compare with
- * a desired version.
- */
-struct ec_response_get_cmd_versions {
- uint32_t version_mask;
-} __ec_align4;
-
-/*
- * Check EC communications status (busy). This is needed on i2c/spi but not
- * on lpc since it has its own out-of-band busy indicator.
- *
- * lpc must read the status from the command register. Attempting this on
- * lpc will overwrite the args/parameter space and corrupt its data.
- */
-#define EC_CMD_GET_COMMS_STATUS 0x0009
-
-/* Avoid using ec_status which is for return values */
-enum ec_comms_status {
- EC_COMMS_STATUS_PROCESSING = BIT(0), /* Processing cmd */
-};
-
-/**
- * struct ec_response_get_comms_status - Response to the get comms status
- * command.
- * @flags: Mask of enum ec_comms_status.
- */
-struct ec_response_get_comms_status {
- uint32_t flags; /* Mask of enum ec_comms_status */
-} __ec_align4;
-
-/* Fake a variety of responses, purely for testing purposes. */
-#define EC_CMD_TEST_PROTOCOL 0x000A
-
-/* Tell the EC what to send back to us. */
-struct ec_params_test_protocol {
- uint32_t ec_result;
- uint32_t ret_len;
- uint8_t buf[32];
-} __ec_align4;
-
-/* Here it comes... */
-struct ec_response_test_protocol {
- uint8_t buf[32];
-} __ec_align4;
-
-/* Get protocol information */
-#define EC_CMD_GET_PROTOCOL_INFO 0x000B
-
-/* Flags for ec_response_get_protocol_info.flags */
-/* EC_RES_IN_PROGRESS may be returned if a command is slow */
-#define EC_PROTOCOL_INFO_IN_PROGRESS_SUPPORTED BIT(0)
-
-/**
- * struct ec_response_get_protocol_info - Response to the get protocol info.
- * @protocol_versions: Bitmask of protocol versions supported (1 << n means
- * version n).
- * @max_request_packet_size: Maximum request packet size in bytes.
- * @max_response_packet_size: Maximum response packet size in bytes.
- * @flags: see EC_PROTOCOL_INFO_*
- */
-struct ec_response_get_protocol_info {
- /* Fields which exist if at least protocol version 3 supported */
- uint32_t protocol_versions;
- uint16_t max_request_packet_size;
- uint16_t max_response_packet_size;
- uint32_t flags;
-} __ec_align4;
-
-
-/*****************************************************************************/
-/* Get/Set miscellaneous values */
-
-/* The upper byte of .flags tells what to do (nothing means "get") */
-#define EC_GSV_SET 0x80000000
-
-/*
- * The lower three bytes of .flags identifies the parameter, if that has
- * meaning for an individual command.
- */
-#define EC_GSV_PARAM_MASK 0x00ffffff
-
-struct ec_params_get_set_value {
- uint32_t flags;
- uint32_t value;
-} __ec_align4;
-
-struct ec_response_get_set_value {
- uint32_t flags;
- uint32_t value;
-} __ec_align4;
-
-/* More than one command can use these structs to get/set parameters. */
-#define EC_CMD_GSV_PAUSE_IN_S5 0x000C
-
-/*****************************************************************************/
-/* List the features supported by the firmware */
-#define EC_CMD_GET_FEATURES 0x000D
-
-/* Supported features */
-enum ec_feature_code {
- /*
- * This image contains a limited set of features. Another image
- * in RW partition may support more features.
- */
- EC_FEATURE_LIMITED = 0,
- /*
- * Commands for probing/reading/writing/erasing the flash in the
- * EC are present.
- */
- EC_FEATURE_FLASH = 1,
- /*
- * Can control the fan speed directly.
- */
- EC_FEATURE_PWM_FAN = 2,
- /*
- * Can control the intensity of the keyboard backlight.
- */
- EC_FEATURE_PWM_KEYB = 3,
- /*
- * Support Google lightbar, introduced on Pixel.
- */
- EC_FEATURE_LIGHTBAR = 4,
- /* Control of LEDs */
- EC_FEATURE_LED = 5,
- /* Exposes an interface to control gyro and sensors.
- * The host goes through the EC to access these sensors.
- * In addition, the EC may provide composite sensors, like lid angle.
- */
- EC_FEATURE_MOTION_SENSE = 6,
- /* The keyboard is controlled by the EC */
- EC_FEATURE_KEYB = 7,
- /* The AP can use part of the EC flash as persistent storage. */
- EC_FEATURE_PSTORE = 8,
- /* The EC monitors BIOS port 80h, and can return POST codes. */
- EC_FEATURE_PORT80 = 9,
- /*
- * Thermal management: include TMP specific commands.
- * Higher level than direct fan control.
- */
- EC_FEATURE_THERMAL = 10,
- /* Can switch the screen backlight on/off */
- EC_FEATURE_BKLIGHT_SWITCH = 11,
- /* Can switch the wifi module on/off */
- EC_FEATURE_WIFI_SWITCH = 12,
- /* Monitor host events, through for example SMI or SCI */
- EC_FEATURE_HOST_EVENTS = 13,
- /* The EC exposes GPIO commands to control/monitor connected devices. */
- EC_FEATURE_GPIO = 14,
- /* The EC can send i2c messages to downstream devices. */
- EC_FEATURE_I2C = 15,
- /* Command to control charger are included */
- EC_FEATURE_CHARGER = 16,
- /* Simple battery support. */
- EC_FEATURE_BATTERY = 17,
- /*
- * Support Smart battery protocol
- * (Common Smart Battery System Interface Specification)
- */
- EC_FEATURE_SMART_BATTERY = 18,
- /* EC can detect when the host hangs. */
- EC_FEATURE_HANG_DETECT = 19,
- /* Report power information, for pit only */
- EC_FEATURE_PMU = 20,
- /* Another Cros EC device is present downstream of this one */
- EC_FEATURE_SUB_MCU = 21,
- /* Support USB Power delivery (PD) commands */
- EC_FEATURE_USB_PD = 22,
- /* Control USB multiplexer, for audio through USB port for instance. */
- EC_FEATURE_USB_MUX = 23,
- /* Motion Sensor code has an internal software FIFO */
- EC_FEATURE_MOTION_SENSE_FIFO = 24,
- /* Support temporary secure vstore */
- EC_FEATURE_VSTORE = 25,
- /* EC decides on USB-C SS mux state, muxes configured by host */
- EC_FEATURE_USBC_SS_MUX_VIRTUAL = 26,
- /* EC has RTC feature that can be controlled by host commands */
- EC_FEATURE_RTC = 27,
- /* The MCU exposes a Fingerprint sensor */
- EC_FEATURE_FINGERPRINT = 28,
- /* The MCU exposes a Touchpad */
- EC_FEATURE_TOUCHPAD = 29,
- /* The MCU has RWSIG task enabled */
- EC_FEATURE_RWSIG = 30,
- /* EC has device events support */
- EC_FEATURE_DEVICE_EVENT = 31,
- /* EC supports the unified wake masks for LPC/eSPI systems */
- EC_FEATURE_UNIFIED_WAKE_MASKS = 32,
- /* EC supports 64-bit host events */
- EC_FEATURE_HOST_EVENT64 = 33,
- /* EC runs code in RAM (not in place, a.k.a. XIP) */
- EC_FEATURE_EXEC_IN_RAM = 34,
- /* EC supports CEC commands */
- EC_FEATURE_CEC = 35,
- /* EC supports tight sensor timestamping. */
- EC_FEATURE_MOTION_SENSE_TIGHT_TIMESTAMPS = 36,
- /*
- * EC supports tablet mode detection aligned to Chrome and allows
- * setting of threshold by host command using
- * MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE.
- */
- EC_FEATURE_REFINED_TABLET_MODE_HYSTERESIS = 37,
- /* EC supports audio codec. */
- EC_FEATURE_AUDIO_CODEC = 38,
- /* The MCU is a System Companion Processor (SCP). */
- EC_FEATURE_SCP = 39,
- /* The MCU is an Integrated Sensor Hub */
- EC_FEATURE_ISH = 40,
-};
-
-#define EC_FEATURE_MASK_0(event_code) BIT(event_code % 32)
-#define EC_FEATURE_MASK_1(event_code) BIT(event_code - 32)
-
-struct ec_response_get_features {
- uint32_t flags[2];
-} __ec_align4;
-
-/*****************************************************************************/
-/* Get the board's SKU ID from EC */
-#define EC_CMD_GET_SKU_ID 0x000E
-
-/* Set SKU ID from AP */
-#define EC_CMD_SET_SKU_ID 0x000F
-
-struct ec_sku_id_info {
- uint32_t sku_id;
-} __ec_align4;
-
-/*****************************************************************************/
-/* Flash commands */
-
-/* Get flash info */
-#define EC_CMD_FLASH_INFO 0x0010
-#define EC_VER_FLASH_INFO 2
-
-/**
- * struct ec_response_flash_info - Response to the flash info command.
- * @flash_size: Usable flash size in bytes.
- * @write_block_size: Write block size. Write offset and size must be a
- * multiple of this.
- * @erase_block_size: Erase block size. Erase offset and size must be a
- * multiple of this.
- * @protect_block_size: Protection block size. Protection offset and size
- * must be a multiple of this.
- *
- * Version 0 returns these fields.
- */
-struct ec_response_flash_info {
- uint32_t flash_size;
- uint32_t write_block_size;
- uint32_t erase_block_size;
- uint32_t protect_block_size;
-} __ec_align4;
-
-/*
- * Flags for version 1+ flash info command
- * EC flash erases bits to 0 instead of 1.
- */
-#define EC_FLASH_INFO_ERASE_TO_0 BIT(0)
-
-/*
- * Flash must be selected for read/write/erase operations to succeed. This may
- * be necessary on a chip where write/erase can be corrupted by other board
- * activity, or where the chip needs to enable some sort of programming voltage,
- * or where the read/write/erase operations require cleanly suspending other
- * chip functionality.
- */
-#define EC_FLASH_INFO_SELECT_REQUIRED BIT(1)
-
-/**
- * struct ec_response_flash_info_1 - Response to the flash info v1 command.
- * @flash_size: Usable flash size in bytes.
- * @write_block_size: Write block size. Write offset and size must be a
- * multiple of this.
- * @erase_block_size: Erase block size. Erase offset and size must be a
- * multiple of this.
- * @protect_block_size: Protection block size. Protection offset and size
- * must be a multiple of this.
- * @write_ideal_size: Ideal write size in bytes. Writes will be fastest if
- * size is exactly this and offset is a multiple of this.
- * For example, an EC may have a write buffer which can do
- * half-page operations if data is aligned, and a slower
- * word-at-a-time write mode.
- * @flags: Flags; see EC_FLASH_INFO_*
- *
- * Version 1 returns the same initial fields as version 0, with additional
- * fields following.
- *
- * gcc anonymous structs don't seem to get along with the __packed directive;
- * if they did we'd define the version 0 structure as a sub-structure of this
- * one.
- *
- * Version 2 supports flash banks of different sizes:
- * The caller specified the number of banks it has preallocated
- * (num_banks_desc)
- * The EC returns the number of banks describing the flash memory.
- * It adds banks descriptions up to num_banks_desc.
- */
-struct ec_response_flash_info_1 {
- /* Version 0 fields; see above for description */
- uint32_t flash_size;
- uint32_t write_block_size;
- uint32_t erase_block_size;
- uint32_t protect_block_size;
-
- /* Version 1 adds these fields: */
- uint32_t write_ideal_size;
- uint32_t flags;
-} __ec_align4;
-
-struct ec_params_flash_info_2 {
- /* Number of banks to describe */
- uint16_t num_banks_desc;
- /* Reserved; set 0; ignore on read */
- uint8_t reserved[2];
-} __ec_align4;
-
-struct ec_flash_bank {
- /* Number of sector is in this bank. */
- uint16_t count;
- /* Size in power of 2 of each sector (8 --> 256 bytes) */
- uint8_t size_exp;
- /* Minimal write size for the sectors in this bank */
- uint8_t write_size_exp;
- /* Erase size for the sectors in this bank */
- uint8_t erase_size_exp;
- /* Size for write protection, usually identical to erase size. */
- uint8_t protect_size_exp;
- /* Reserved; set 0; ignore on read */
- uint8_t reserved[2];
-};
-
-struct ec_response_flash_info_2 {
- /* Total flash in the EC. */
- uint32_t flash_size;
- /* Flags; see EC_FLASH_INFO_* */
- uint32_t flags;
- /* Maximum size to use to send data to write to the EC. */
- uint32_t write_ideal_size;
- /* Number of banks present in the EC. */
- uint16_t num_banks_total;
- /* Number of banks described in banks array. */
- uint16_t num_banks_desc;
- struct ec_flash_bank banks[0];
-} __ec_align4;
-
-/*
- * Read flash
- *
- * Response is params.size bytes of data.
- */
-#define EC_CMD_FLASH_READ 0x0011
-
-/**
- * struct ec_params_flash_read - Parameters for the flash read command.
- * @offset: Byte offset to read.
- * @size: Size to read in bytes.
- */
-struct ec_params_flash_read {
- uint32_t offset;
- uint32_t size;
-} __ec_align4;
-
-/* Write flash */
-#define EC_CMD_FLASH_WRITE 0x0012
-#define EC_VER_FLASH_WRITE 1
-
-/* Version 0 of the flash command supported only 64 bytes of data */
-#define EC_FLASH_WRITE_VER0_SIZE 64
-
-/**
- * struct ec_params_flash_write - Parameters for the flash write command.
- * @offset: Byte offset to write.
- * @size: Size to write in bytes.
- */
-struct ec_params_flash_write {
- uint32_t offset;
- uint32_t size;
- /* Followed by data to write */
-} __ec_align4;
-
-/* Erase flash */
-#define EC_CMD_FLASH_ERASE 0x0013
-
-/**
- * struct ec_params_flash_erase - Parameters for the flash erase command, v0.
- * @offset: Byte offset to erase.
- * @size: Size to erase in bytes.
- */
-struct ec_params_flash_erase {
- uint32_t offset;
- uint32_t size;
-} __ec_align4;
-
-/*
- * v1 add async erase:
- * subcommands can returns:
- * EC_RES_SUCCESS : erased (see ERASE_SECTOR_ASYNC case below).
- * EC_RES_INVALID_PARAM : offset/size are not aligned on a erase boundary.
- * EC_RES_ERROR : other errors.
- * EC_RES_BUSY : an existing erase operation is in progress.
- * EC_RES_ACCESS_DENIED: Trying to erase running image.
- *
- * When ERASE_SECTOR_ASYNC returns EC_RES_SUCCESS, the operation is just
- * properly queued. The user must call ERASE_GET_RESULT subcommand to get
- * the proper result.
- * When ERASE_GET_RESULT returns EC_RES_BUSY, the caller must wait and send
- * ERASE_GET_RESULT again to get the result of ERASE_SECTOR_ASYNC.
- * ERASE_GET_RESULT command may timeout on EC where flash access is not
- * permitted while erasing. (For instance, STM32F4).
- */
-enum ec_flash_erase_cmd {
- FLASH_ERASE_SECTOR, /* Erase and wait for result */
- FLASH_ERASE_SECTOR_ASYNC, /* Erase and return immediately. */
- FLASH_ERASE_GET_RESULT, /* Ask for last erase result */
-};
-
-/**
- * struct ec_params_flash_erase_v1 - Parameters for the flash erase command, v1.
- * @cmd: One of ec_flash_erase_cmd.
- * @reserved: Pad byte; currently always contains 0.
- * @flag: No flags defined yet; set to 0.
- * @params: Same as v0 parameters.
- */
-struct ec_params_flash_erase_v1 {
- uint8_t cmd;
- uint8_t reserved;
- uint16_t flag;
- struct ec_params_flash_erase params;
-} __ec_align4;
-
-/*
- * Get/set flash protection.
- *
- * If mask!=0, sets/clear the requested bits of flags. Depending on the
- * firmware write protect GPIO, not all flags will take effect immediately;
- * some flags require a subsequent hard reset to take effect. Check the
- * returned flags bits to see what actually happened.
- *
- * If mask=0, simply returns the current flags state.
- */
-#define EC_CMD_FLASH_PROTECT 0x0015
-#define EC_VER_FLASH_PROTECT 1 /* Command version 1 */
-
-/* Flags for flash protection */
-/* RO flash code protected when the EC boots */
-#define EC_FLASH_PROTECT_RO_AT_BOOT BIT(0)
-/*
- * RO flash code protected now. If this bit is set, at-boot status cannot
- * be changed.
- */
-#define EC_FLASH_PROTECT_RO_NOW BIT(1)
-/* Entire flash code protected now, until reboot. */
-#define EC_FLASH_PROTECT_ALL_NOW BIT(2)
-/* Flash write protect GPIO is asserted now */
-#define EC_FLASH_PROTECT_GPIO_ASSERTED BIT(3)
-/* Error - at least one bank of flash is stuck locked, and cannot be unlocked */
-#define EC_FLASH_PROTECT_ERROR_STUCK BIT(4)
-/*
- * Error - flash protection is in inconsistent state. At least one bank of
- * flash which should be protected is not protected. Usually fixed by
- * re-requesting the desired flags, or by a hard reset if that fails.
- */
-#define EC_FLASH_PROTECT_ERROR_INCONSISTENT BIT(5)
-/* Entire flash code protected when the EC boots */
-#define EC_FLASH_PROTECT_ALL_AT_BOOT BIT(6)
-/* RW flash code protected when the EC boots */
-#define EC_FLASH_PROTECT_RW_AT_BOOT BIT(7)
-/* RW flash code protected now. */
-#define EC_FLASH_PROTECT_RW_NOW BIT(8)
-/* Rollback information flash region protected when the EC boots */
-#define EC_FLASH_PROTECT_ROLLBACK_AT_BOOT BIT(9)
-/* Rollback information flash region protected now */
-#define EC_FLASH_PROTECT_ROLLBACK_NOW BIT(10)
-
-
-/**
- * struct ec_params_flash_protect - Parameters for the flash protect command.
- * @mask: Bits in flags to apply.
- * @flags: New flags to apply.
- */
-struct ec_params_flash_protect {
- uint32_t mask;
- uint32_t flags;
-} __ec_align4;
-
-/**
- * struct ec_response_flash_protect - Response to the flash protect command.
- * @flags: Current value of flash protect flags.
- * @valid_flags: Flags which are valid on this platform. This allows the
- * caller to distinguish between flags which aren't set vs. flags
- * which can't be set on this platform.
- * @writable_flags: Flags which can be changed given the current protection
- * state.
- */
-struct ec_response_flash_protect {
- uint32_t flags;
- uint32_t valid_flags;
- uint32_t writable_flags;
-} __ec_align4;
-
-/*
- * Note: commands 0x14 - 0x19 version 0 were old commands to get/set flash
- * write protect. These commands may be reused with version > 0.
- */
-
-/* Get the region offset/size */
-#define EC_CMD_FLASH_REGION_INFO 0x0016
-#define EC_VER_FLASH_REGION_INFO 1
-
-enum ec_flash_region {
- /* Region which holds read-only EC image */
- EC_FLASH_REGION_RO = 0,
- /*
- * Region which holds active RW image. 'Active' is different from
- * 'running'. Active means 'scheduled-to-run'. Since RO image always
- * scheduled to run, active/non-active applies only to RW images (for
- * the same reason 'update' applies only to RW images. It's a state of
- * an image on a flash. Running image can be RO, RW_A, RW_B but active
- * image can only be RW_A or RW_B. In recovery mode, an active RW image
- * doesn't enter 'running' state but it's still active on a flash.
- */
- EC_FLASH_REGION_ACTIVE,
- /*
- * Region which should be write-protected in the factory (a superset of
- * EC_FLASH_REGION_RO)
- */
- EC_FLASH_REGION_WP_RO,
- /* Region which holds updatable (non-active) RW image */
- EC_FLASH_REGION_UPDATE,
- /* Number of regions */
- EC_FLASH_REGION_COUNT,
-};
-/*
- * 'RW' is vague if there are multiple RW images; we mean the active one,
- * so the old constant is deprecated.
- */
-#define EC_FLASH_REGION_RW EC_FLASH_REGION_ACTIVE
-
-/**
- * struct ec_params_flash_region_info - Parameters for the flash region info
- * command.
- * @region: Flash region; see EC_FLASH_REGION_*
- */
-struct ec_params_flash_region_info {
- uint32_t region;
-} __ec_align4;
-
-struct ec_response_flash_region_info {
- uint32_t offset;
- uint32_t size;
-} __ec_align4;
-
-/* Read/write VbNvContext */
-#define EC_CMD_VBNV_CONTEXT 0x0017
-#define EC_VER_VBNV_CONTEXT 1
-#define EC_VBNV_BLOCK_SIZE 16
-
-enum ec_vbnvcontext_op {
- EC_VBNV_CONTEXT_OP_READ,
- EC_VBNV_CONTEXT_OP_WRITE,
-};
-
-struct ec_params_vbnvcontext {
- uint32_t op;
- uint8_t block[EC_VBNV_BLOCK_SIZE];
-} __ec_align4;
-
-struct ec_response_vbnvcontext {
- uint8_t block[EC_VBNV_BLOCK_SIZE];
-} __ec_align4;
-
-
-/* Get SPI flash information */
-#define EC_CMD_FLASH_SPI_INFO 0x0018
-
-struct ec_response_flash_spi_info {
- /* JEDEC info from command 0x9F (manufacturer, memory type, size) */
- uint8_t jedec[3];
-
- /* Pad byte; currently always contains 0 */
- uint8_t reserved0;
-
- /* Manufacturer / device ID from command 0x90 */
- uint8_t mfr_dev_id[2];
-
- /* Status registers from command 0x05 and 0x35 */
- uint8_t sr1, sr2;
-} __ec_align1;
-
-
-/* Select flash during flash operations */
-#define EC_CMD_FLASH_SELECT 0x0019
-
-/**
- * struct ec_params_flash_select - Parameters for the flash select command.
- * @select: 1 to select flash, 0 to deselect flash
- */
-struct ec_params_flash_select {
- uint8_t select;
-} __ec_align4;
-
-
-/*****************************************************************************/
-/* PWM commands */
-
-/* Get fan target RPM */
-#define EC_CMD_PWM_GET_FAN_TARGET_RPM 0x0020
-
-struct ec_response_pwm_get_fan_rpm {
- uint32_t rpm;
-} __ec_align4;
-
-/* Set target fan RPM */
-#define EC_CMD_PWM_SET_FAN_TARGET_RPM 0x0021
-
-/* Version 0 of input params */
-struct ec_params_pwm_set_fan_target_rpm_v0 {
- uint32_t rpm;
-} __ec_align4;
-
-/* Version 1 of input params */
-struct ec_params_pwm_set_fan_target_rpm_v1 {
- uint32_t rpm;
- uint8_t fan_idx;
-} __ec_align_size1;
-
-/* Get keyboard backlight */
-/* OBSOLETE - Use EC_CMD_PWM_SET_DUTY */
-#define EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT 0x0022
-
-struct ec_response_pwm_get_keyboard_backlight {
- uint8_t percent;
- uint8_t enabled;
-} __ec_align1;
-
-/* Set keyboard backlight */
-/* OBSOLETE - Use EC_CMD_PWM_SET_DUTY */
-#define EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT 0x0023
-
-struct ec_params_pwm_set_keyboard_backlight {
- uint8_t percent;
-} __ec_align1;
-
-/* Set target fan PWM duty cycle */
-#define EC_CMD_PWM_SET_FAN_DUTY 0x0024
-
-/* Version 0 of input params */
-struct ec_params_pwm_set_fan_duty_v0 {
- uint32_t percent;
-} __ec_align4;
-
-/* Version 1 of input params */
-struct ec_params_pwm_set_fan_duty_v1 {
- uint32_t percent;
- uint8_t fan_idx;
-} __ec_align_size1;
-
-#define EC_CMD_PWM_SET_DUTY 0x0025
-/* 16 bit duty cycle, 0xffff = 100% */
-#define EC_PWM_MAX_DUTY 0xffff
-
-enum ec_pwm_type {
- /* All types, indexed by board-specific enum pwm_channel */
- EC_PWM_TYPE_GENERIC = 0,
- /* Keyboard backlight */
- EC_PWM_TYPE_KB_LIGHT,
- /* Display backlight */
- EC_PWM_TYPE_DISPLAY_LIGHT,
- EC_PWM_TYPE_COUNT,
-};
-
-struct ec_params_pwm_set_duty {
- uint16_t duty; /* Duty cycle, EC_PWM_MAX_DUTY = 100% */
- uint8_t pwm_type; /* ec_pwm_type */
- uint8_t index; /* Type-specific index, or 0 if unique */
-} __ec_align4;
-
-#define EC_CMD_PWM_GET_DUTY 0x0026
-
-struct ec_params_pwm_get_duty {
- uint8_t pwm_type; /* ec_pwm_type */
- uint8_t index; /* Type-specific index, or 0 if unique */
-} __ec_align1;
-
-struct ec_response_pwm_get_duty {
- uint16_t duty; /* Duty cycle, EC_PWM_MAX_DUTY = 100% */
-} __ec_align2;
-
-/*****************************************************************************/
-/*
- * Lightbar commands. This looks worse than it is. Since we only use one HOST
- * command to say "talk to the lightbar", we put the "and tell it to do X" part
- * into a subcommand. We'll make separate structs for subcommands with
- * different input args, so that we know how much to expect.
- */
-#define EC_CMD_LIGHTBAR_CMD 0x0028
-
-struct rgb_s {
- uint8_t r, g, b;
-} __ec_todo_unpacked;
-
-#define LB_BATTERY_LEVELS 4
-
-/*
- * List of tweakable parameters. NOTE: It's __packed so it can be sent in a
- * host command, but the alignment is the same regardless. Keep it that way.
- */
-struct lightbar_params_v0 {
- /* Timing */
- int32_t google_ramp_up;
- int32_t google_ramp_down;
- int32_t s3s0_ramp_up;
- int32_t s0_tick_delay[2]; /* AC=0/1 */
- int32_t s0a_tick_delay[2]; /* AC=0/1 */
- int32_t s0s3_ramp_down;
- int32_t s3_sleep_for;
- int32_t s3_ramp_up;
- int32_t s3_ramp_down;
-
- /* Oscillation */
- uint8_t new_s0;
- uint8_t osc_min[2]; /* AC=0/1 */
- uint8_t osc_max[2]; /* AC=0/1 */
- uint8_t w_ofs[2]; /* AC=0/1 */
-
- /* Brightness limits based on the backlight and AC. */
- uint8_t bright_bl_off_fixed[2]; /* AC=0/1 */
- uint8_t bright_bl_on_min[2]; /* AC=0/1 */
- uint8_t bright_bl_on_max[2]; /* AC=0/1 */
-
- /* Battery level thresholds */
- uint8_t battery_threshold[LB_BATTERY_LEVELS - 1];
-
- /* Map [AC][battery_level] to color index */
- uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */
- uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */
-
- /* Color palette */
- struct rgb_s color[8]; /* 0-3 are Google colors */
-} __ec_todo_packed;
-
-struct lightbar_params_v1 {
- /* Timing */
- int32_t google_ramp_up;
- int32_t google_ramp_down;
- int32_t s3s0_ramp_up;
- int32_t s0_tick_delay[2]; /* AC=0/1 */
- int32_t s0a_tick_delay[2]; /* AC=0/1 */
- int32_t s0s3_ramp_down;
- int32_t s3_sleep_for;
- int32_t s3_ramp_up;
- int32_t s3_ramp_down;
- int32_t s5_ramp_up;
- int32_t s5_ramp_down;
- int32_t tap_tick_delay;
- int32_t tap_gate_delay;
- int32_t tap_display_time;
-
- /* Tap-for-battery params */
- uint8_t tap_pct_red;
- uint8_t tap_pct_green;
- uint8_t tap_seg_min_on;
- uint8_t tap_seg_max_on;
- uint8_t tap_seg_osc;
- uint8_t tap_idx[3];
-
- /* Oscillation */
- uint8_t osc_min[2]; /* AC=0/1 */
- uint8_t osc_max[2]; /* AC=0/1 */
- uint8_t w_ofs[2]; /* AC=0/1 */
-
- /* Brightness limits based on the backlight and AC. */
- uint8_t bright_bl_off_fixed[2]; /* AC=0/1 */
- uint8_t bright_bl_on_min[2]; /* AC=0/1 */
- uint8_t bright_bl_on_max[2]; /* AC=0/1 */
-
- /* Battery level thresholds */
- uint8_t battery_threshold[LB_BATTERY_LEVELS - 1];
-
- /* Map [AC][battery_level] to color index */
- uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */
- uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */
-
- /* s5: single color pulse on inhibited power-up */
- uint8_t s5_idx;
-
- /* Color palette */
- struct rgb_s color[8]; /* 0-3 are Google colors */
-} __ec_todo_packed;
-
-/* Lightbar command params v2
- * crbug.com/467716
- *
- * lightbar_parms_v1 was too big for i2c, therefore in v2, we split them up by
- * logical groups to make it more manageable ( < 120 bytes).
- *
- * NOTE: Each of these groups must be less than 120 bytes.
- */
-
-struct lightbar_params_v2_timing {
- /* Timing */
- int32_t google_ramp_up;
- int32_t google_ramp_down;
- int32_t s3s0_ramp_up;
- int32_t s0_tick_delay[2]; /* AC=0/1 */
- int32_t s0a_tick_delay[2]; /* AC=0/1 */
- int32_t s0s3_ramp_down;
- int32_t s3_sleep_for;
- int32_t s3_ramp_up;
- int32_t s3_ramp_down;
- int32_t s5_ramp_up;
- int32_t s5_ramp_down;
- int32_t tap_tick_delay;
- int32_t tap_gate_delay;
- int32_t tap_display_time;
-} __ec_todo_packed;
-
-struct lightbar_params_v2_tap {
- /* Tap-for-battery params */
- uint8_t tap_pct_red;
- uint8_t tap_pct_green;
- uint8_t tap_seg_min_on;
- uint8_t tap_seg_max_on;
- uint8_t tap_seg_osc;
- uint8_t tap_idx[3];
-} __ec_todo_packed;
-
-struct lightbar_params_v2_oscillation {
- /* Oscillation */
- uint8_t osc_min[2]; /* AC=0/1 */
- uint8_t osc_max[2]; /* AC=0/1 */
- uint8_t w_ofs[2]; /* AC=0/1 */
-} __ec_todo_packed;
-
-struct lightbar_params_v2_brightness {
- /* Brightness limits based on the backlight and AC. */
- uint8_t bright_bl_off_fixed[2]; /* AC=0/1 */
- uint8_t bright_bl_on_min[2]; /* AC=0/1 */
- uint8_t bright_bl_on_max[2]; /* AC=0/1 */
-} __ec_todo_packed;
-
-struct lightbar_params_v2_thresholds {
- /* Battery level thresholds */
- uint8_t battery_threshold[LB_BATTERY_LEVELS - 1];
-} __ec_todo_packed;
-
-struct lightbar_params_v2_colors {
- /* Map [AC][battery_level] to color index */
- uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */
- uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */
-
- /* s5: single color pulse on inhibited power-up */
- uint8_t s5_idx;
-
- /* Color palette */
- struct rgb_s color[8]; /* 0-3 are Google colors */
-} __ec_todo_packed;
-
-/* Lightbar program. */
-#define EC_LB_PROG_LEN 192
-struct lightbar_program {
- uint8_t size;
- uint8_t data[EC_LB_PROG_LEN];
-} __ec_todo_unpacked;
-
-struct ec_params_lightbar {
- uint8_t cmd; /* Command (see enum lightbar_command) */
- union {
- /*
- * The following commands have no args:
- *
- * dump, off, on, init, get_seq, get_params_v0, get_params_v1,
- * version, get_brightness, get_demo, suspend, resume,
- * get_params_v2_timing, get_params_v2_tap, get_params_v2_osc,
- * get_params_v2_bright, get_params_v2_thlds,
- * get_params_v2_colors
- *
- * Don't use an empty struct, because C++ hates that.
- */
-
- struct __ec_todo_unpacked {
- uint8_t num;
- } set_brightness, seq, demo;
-
- struct __ec_todo_unpacked {
- uint8_t ctrl, reg, value;
- } reg;
-
- struct __ec_todo_unpacked {
- uint8_t led, red, green, blue;
- } set_rgb;
-
- struct __ec_todo_unpacked {
- uint8_t led;
- } get_rgb;
-
- struct __ec_todo_unpacked {
- uint8_t enable;
- } manual_suspend_ctrl;
-
- struct lightbar_params_v0 set_params_v0;
- struct lightbar_params_v1 set_params_v1;
-
- struct lightbar_params_v2_timing set_v2par_timing;
- struct lightbar_params_v2_tap set_v2par_tap;
- struct lightbar_params_v2_oscillation set_v2par_osc;
- struct lightbar_params_v2_brightness set_v2par_bright;
- struct lightbar_params_v2_thresholds set_v2par_thlds;
- struct lightbar_params_v2_colors set_v2par_colors;
-
- struct lightbar_program set_program;
- };
-} __ec_todo_packed;
-
-struct ec_response_lightbar {
- union {
- struct __ec_todo_unpacked {
- struct __ec_todo_unpacked {
- uint8_t reg;
- uint8_t ic0;
- uint8_t ic1;
- } vals[23];
- } dump;
-
- struct __ec_todo_unpacked {
- uint8_t num;
- } get_seq, get_brightness, get_demo;
-
- struct lightbar_params_v0 get_params_v0;
- struct lightbar_params_v1 get_params_v1;
-
-
- struct lightbar_params_v2_timing get_params_v2_timing;
- struct lightbar_params_v2_tap get_params_v2_tap;
- struct lightbar_params_v2_oscillation get_params_v2_osc;
- struct lightbar_params_v2_brightness get_params_v2_bright;
- struct lightbar_params_v2_thresholds get_params_v2_thlds;
- struct lightbar_params_v2_colors get_params_v2_colors;
-
- struct __ec_todo_unpacked {
- uint32_t num;
- uint32_t flags;
- } version;
-
- struct __ec_todo_unpacked {
- uint8_t red, green, blue;
- } get_rgb;
-
- /*
- * The following commands have no response:
- *
- * off, on, init, set_brightness, seq, reg, set_rgb, demo,
- * set_params_v0, set_params_v1, set_program,
- * manual_suspend_ctrl, suspend, resume, set_v2par_timing,
- * set_v2par_tap, set_v2par_osc, set_v2par_bright,
- * set_v2par_thlds, set_v2par_colors
- */
- };
-} __ec_todo_packed;
-
-/* Lightbar commands */
-enum lightbar_command {
- LIGHTBAR_CMD_DUMP = 0,
- LIGHTBAR_CMD_OFF = 1,
- LIGHTBAR_CMD_ON = 2,
- LIGHTBAR_CMD_INIT = 3,
- LIGHTBAR_CMD_SET_BRIGHTNESS = 4,
- LIGHTBAR_CMD_SEQ = 5,
- LIGHTBAR_CMD_REG = 6,
- LIGHTBAR_CMD_SET_RGB = 7,
- LIGHTBAR_CMD_GET_SEQ = 8,
- LIGHTBAR_CMD_DEMO = 9,
- LIGHTBAR_CMD_GET_PARAMS_V0 = 10,
- LIGHTBAR_CMD_SET_PARAMS_V0 = 11,
- LIGHTBAR_CMD_VERSION = 12,
- LIGHTBAR_CMD_GET_BRIGHTNESS = 13,
- LIGHTBAR_CMD_GET_RGB = 14,
- LIGHTBAR_CMD_GET_DEMO = 15,
- LIGHTBAR_CMD_GET_PARAMS_V1 = 16,
- LIGHTBAR_CMD_SET_PARAMS_V1 = 17,
- LIGHTBAR_CMD_SET_PROGRAM = 18,
- LIGHTBAR_CMD_MANUAL_SUSPEND_CTRL = 19,
- LIGHTBAR_CMD_SUSPEND = 20,
- LIGHTBAR_CMD_RESUME = 21,
- LIGHTBAR_CMD_GET_PARAMS_V2_TIMING = 22,
- LIGHTBAR_CMD_SET_PARAMS_V2_TIMING = 23,
- LIGHTBAR_CMD_GET_PARAMS_V2_TAP = 24,
- LIGHTBAR_CMD_SET_PARAMS_V2_TAP = 25,
- LIGHTBAR_CMD_GET_PARAMS_V2_OSCILLATION = 26,
- LIGHTBAR_CMD_SET_PARAMS_V2_OSCILLATION = 27,
- LIGHTBAR_CMD_GET_PARAMS_V2_BRIGHTNESS = 28,
- LIGHTBAR_CMD_SET_PARAMS_V2_BRIGHTNESS = 29,
- LIGHTBAR_CMD_GET_PARAMS_V2_THRESHOLDS = 30,
- LIGHTBAR_CMD_SET_PARAMS_V2_THRESHOLDS = 31,
- LIGHTBAR_CMD_GET_PARAMS_V2_COLORS = 32,
- LIGHTBAR_CMD_SET_PARAMS_V2_COLORS = 33,
- LIGHTBAR_NUM_CMDS
-};
-
-/*****************************************************************************/
-/* LED control commands */
-
-#define EC_CMD_LED_CONTROL 0x0029
-
-enum ec_led_id {
- /* LED to indicate battery state of charge */
- EC_LED_ID_BATTERY_LED = 0,
- /*
- * LED to indicate system power state (on or in suspend).
- * May be on power button or on C-panel.
- */
- EC_LED_ID_POWER_LED,
- /* LED on power adapter or its plug */
- EC_LED_ID_ADAPTER_LED,
- /* LED to indicate left side */
- EC_LED_ID_LEFT_LED,
- /* LED to indicate right side */
- EC_LED_ID_RIGHT_LED,
- /* LED to indicate recovery mode with HW_REINIT */
- EC_LED_ID_RECOVERY_HW_REINIT_LED,
- /* LED to indicate sysrq debug mode. */
- EC_LED_ID_SYSRQ_DEBUG_LED,
-
- EC_LED_ID_COUNT
-};
-
-/* LED control flags */
-#define EC_LED_FLAGS_QUERY BIT(0) /* Query LED capability only */
-#define EC_LED_FLAGS_AUTO BIT(1) /* Switch LED back to automatic control */
-
-enum ec_led_colors {
- EC_LED_COLOR_RED = 0,
- EC_LED_COLOR_GREEN,
- EC_LED_COLOR_BLUE,
- EC_LED_COLOR_YELLOW,
- EC_LED_COLOR_WHITE,
- EC_LED_COLOR_AMBER,
-
- EC_LED_COLOR_COUNT
-};
-
-struct ec_params_led_control {
- uint8_t led_id; /* Which LED to control */
- uint8_t flags; /* Control flags */
-
- uint8_t brightness[EC_LED_COLOR_COUNT];
-} __ec_align1;
-
-struct ec_response_led_control {
- /*
- * Available brightness value range.
- *
- * Range 0 means color channel not present.
- * Range 1 means on/off control.
- * Other values means the LED is control by PWM.
- */
- uint8_t brightness_range[EC_LED_COLOR_COUNT];
-} __ec_align1;
-
-/*****************************************************************************/
-/* Verified boot commands */
-
-/*
- * Note: command code 0x29 version 0 was VBOOT_CMD in Link EVT; it may be
- * reused for other purposes with version > 0.
- */
-
-/* Verified boot hash command */
-#define EC_CMD_VBOOT_HASH 0x002A
-
-struct ec_params_vboot_hash {
- uint8_t cmd; /* enum ec_vboot_hash_cmd */
- uint8_t hash_type; /* enum ec_vboot_hash_type */
- uint8_t nonce_size; /* Nonce size; may be 0 */
- uint8_t reserved0; /* Reserved; set 0 */
- uint32_t offset; /* Offset in flash to hash */
- uint32_t size; /* Number of bytes to hash */
- uint8_t nonce_data[64]; /* Nonce data; ignored if nonce_size=0 */
-} __ec_align4;
-
-struct ec_response_vboot_hash {
- uint8_t status; /* enum ec_vboot_hash_status */
- uint8_t hash_type; /* enum ec_vboot_hash_type */
- uint8_t digest_size; /* Size of hash digest in bytes */
- uint8_t reserved0; /* Ignore; will be 0 */
- uint32_t offset; /* Offset in flash which was hashed */
- uint32_t size; /* Number of bytes hashed */
- uint8_t hash_digest[64]; /* Hash digest data */
-} __ec_align4;
-
-enum ec_vboot_hash_cmd {
- EC_VBOOT_HASH_GET = 0, /* Get current hash status */
- EC_VBOOT_HASH_ABORT = 1, /* Abort calculating current hash */
- EC_VBOOT_HASH_START = 2, /* Start computing a new hash */
- EC_VBOOT_HASH_RECALC = 3, /* Synchronously compute a new hash */
-};
-
-enum ec_vboot_hash_type {
- EC_VBOOT_HASH_TYPE_SHA256 = 0, /* SHA-256 */
-};
-
-enum ec_vboot_hash_status {
- EC_VBOOT_HASH_STATUS_NONE = 0, /* No hash (not started, or aborted) */
- EC_VBOOT_HASH_STATUS_DONE = 1, /* Finished computing a hash */
- EC_VBOOT_HASH_STATUS_BUSY = 2, /* Busy computing a hash */
-};
-
-/*
- * Special values for offset for EC_VBOOT_HASH_START and EC_VBOOT_HASH_RECALC.
- * If one of these is specified, the EC will automatically update offset and
- * size to the correct values for the specified image (RO or RW).
- */
-#define EC_VBOOT_HASH_OFFSET_RO 0xfffffffe
-#define EC_VBOOT_HASH_OFFSET_ACTIVE 0xfffffffd
-#define EC_VBOOT_HASH_OFFSET_UPDATE 0xfffffffc
-
-/*
- * 'RW' is vague if there are multiple RW images; we mean the active one,
- * so the old constant is deprecated.
- */
-#define EC_VBOOT_HASH_OFFSET_RW EC_VBOOT_HASH_OFFSET_ACTIVE
-
-/*****************************************************************************/
-/*
- * Motion sense commands. We'll make separate structs for sub-commands with
- * different input args, so that we know how much to expect.
- */
-#define EC_CMD_MOTION_SENSE_CMD 0x002B
-
-/* Motion sense commands */
-enum motionsense_command {
- /*
- * Dump command returns all motion sensor data including motion sense
- * module flags and individual sensor flags.
- */
- MOTIONSENSE_CMD_DUMP = 0,
-
- /*
- * Info command returns data describing the details of a given sensor,
- * including enum motionsensor_type, enum motionsensor_location, and
- * enum motionsensor_chip.
- */
- MOTIONSENSE_CMD_INFO = 1,
-
- /*
- * EC Rate command is a setter/getter command for the EC sampling rate
- * in milliseconds.
- * It is per sensor, the EC run sample task at the minimum of all
- * sensors EC_RATE.
- * For sensors without hardware FIFO, EC_RATE should be equals to 1/ODR
- * to collect all the sensor samples.
- * For sensor with hardware FIFO, EC_RATE is used as the maximal delay
- * to process of all motion sensors in milliseconds.
- */
- MOTIONSENSE_CMD_EC_RATE = 2,
-
- /*
- * Sensor ODR command is a setter/getter command for the output data
- * rate of a specific motion sensor in millihertz.
- */
- MOTIONSENSE_CMD_SENSOR_ODR = 3,
-
- /*
- * Sensor range command is a setter/getter command for the range of
- * a specified motion sensor in +/-G's or +/- deg/s.
- */
- MOTIONSENSE_CMD_SENSOR_RANGE = 4,
-
- /*
- * Setter/getter command for the keyboard wake angle. When the lid
- * angle is greater than this value, keyboard wake is disabled in S3,
- * and when the lid angle goes less than this value, keyboard wake is
- * enabled. Note, the lid angle measurement is an approximate,
- * un-calibrated value, hence the wake angle isn't exact.
- */
- MOTIONSENSE_CMD_KB_WAKE_ANGLE = 5,
-
- /*
- * Returns a single sensor data.
- */
- MOTIONSENSE_CMD_DATA = 6,
-
- /*
- * Return sensor fifo info.
- */
- MOTIONSENSE_CMD_FIFO_INFO = 7,
-
- /*
- * Insert a flush element in the fifo and return sensor fifo info.
- * The host can use that element to synchronize its operation.
- */
- MOTIONSENSE_CMD_FIFO_FLUSH = 8,
-
- /*
- * Return a portion of the fifo.
- */
- MOTIONSENSE_CMD_FIFO_READ = 9,
-
- /*
- * Perform low level calibration.
- * On sensors that support it, ask to do offset calibration.
- */
- MOTIONSENSE_CMD_PERFORM_CALIB = 10,
-
- /*
- * Sensor Offset command is a setter/getter command for the offset
- * used for calibration.
- * The offsets can be calculated by the host, or via
- * PERFORM_CALIB command.
- */
- MOTIONSENSE_CMD_SENSOR_OFFSET = 11,
-
- /*
- * List available activities for a MOTION sensor.
- * Indicates if they are enabled or disabled.
- */
- MOTIONSENSE_CMD_LIST_ACTIVITIES = 12,
-
- /*
- * Activity management
- * Enable/Disable activity recognition.
- */
- MOTIONSENSE_CMD_SET_ACTIVITY = 13,
-
- /*
- * Lid Angle
- */
- MOTIONSENSE_CMD_LID_ANGLE = 14,
-
- /*
- * Allow the FIFO to trigger interrupt via MKBP events.
- * By default the FIFO does not send interrupt to process the FIFO
- * until the AP is ready or it is coming from a wakeup sensor.
- */
- MOTIONSENSE_CMD_FIFO_INT_ENABLE = 15,
-
- /*
- * Spoof the readings of the sensors. The spoofed readings can be set
- * to arbitrary values, or will lock to the last read actual values.
- */
- MOTIONSENSE_CMD_SPOOF = 16,
-
- /* Set lid angle for tablet mode detection. */
- MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE = 17,
-
- /*
- * Sensor Scale command is a setter/getter command for the calibration
- * scale.
- */
- MOTIONSENSE_CMD_SENSOR_SCALE = 18,
-
- /* Number of motionsense sub-commands. */
- MOTIONSENSE_NUM_CMDS
-};
-
-/* List of motion sensor types. */
-enum motionsensor_type {
- MOTIONSENSE_TYPE_ACCEL = 0,
- MOTIONSENSE_TYPE_GYRO = 1,
- MOTIONSENSE_TYPE_MAG = 2,
- MOTIONSENSE_TYPE_PROX = 3,
- MOTIONSENSE_TYPE_LIGHT = 4,
- MOTIONSENSE_TYPE_ACTIVITY = 5,
- MOTIONSENSE_TYPE_BARO = 6,
- MOTIONSENSE_TYPE_SYNC = 7,
- MOTIONSENSE_TYPE_MAX,
-};
-
-/* List of motion sensor locations. */
-enum motionsensor_location {
- MOTIONSENSE_LOC_BASE = 0,
- MOTIONSENSE_LOC_LID = 1,
- MOTIONSENSE_LOC_CAMERA = 2,
- MOTIONSENSE_LOC_MAX,
-};
-
-/* List of motion sensor chips. */
-enum motionsensor_chip {
- MOTIONSENSE_CHIP_KXCJ9 = 0,
- MOTIONSENSE_CHIP_LSM6DS0 = 1,
- MOTIONSENSE_CHIP_BMI160 = 2,
- MOTIONSENSE_CHIP_SI1141 = 3,
- MOTIONSENSE_CHIP_SI1142 = 4,
- MOTIONSENSE_CHIP_SI1143 = 5,
- MOTIONSENSE_CHIP_KX022 = 6,
- MOTIONSENSE_CHIP_L3GD20H = 7,
- MOTIONSENSE_CHIP_BMA255 = 8,
- MOTIONSENSE_CHIP_BMP280 = 9,
- MOTIONSENSE_CHIP_OPT3001 = 10,
- MOTIONSENSE_CHIP_BH1730 = 11,
- MOTIONSENSE_CHIP_GPIO = 12,
- MOTIONSENSE_CHIP_LIS2DH = 13,
- MOTIONSENSE_CHIP_LSM6DSM = 14,
- MOTIONSENSE_CHIP_LIS2DE = 15,
- MOTIONSENSE_CHIP_LIS2MDL = 16,
- MOTIONSENSE_CHIP_LSM6DS3 = 17,
- MOTIONSENSE_CHIP_LSM6DSO = 18,
- MOTIONSENSE_CHIP_LNG2DM = 19,
- MOTIONSENSE_CHIP_MAX,
-};
-
-/* List of orientation positions */
-enum motionsensor_orientation {
- MOTIONSENSE_ORIENTATION_LANDSCAPE = 0,
- MOTIONSENSE_ORIENTATION_PORTRAIT = 1,
- MOTIONSENSE_ORIENTATION_UPSIDE_DOWN_PORTRAIT = 2,
- MOTIONSENSE_ORIENTATION_UPSIDE_DOWN_LANDSCAPE = 3,
- MOTIONSENSE_ORIENTATION_UNKNOWN = 4,
-};
-
-struct ec_response_motion_sensor_data {
- /* Flags for each sensor. */
- uint8_t flags;
- /* Sensor number the data comes from. */
- uint8_t sensor_num;
- /* Each sensor is up to 3-axis. */
- union {
- int16_t data[3];
- struct __ec_todo_packed {
- uint16_t reserved;
- uint32_t timestamp;
- };
- struct __ec_todo_unpacked {
- uint8_t activity; /* motionsensor_activity */
- uint8_t state;
- int16_t add_info[2];
- };
- };
-} __ec_todo_packed;
-
-/* Note: used in ec_response_get_next_data */
-struct ec_response_motion_sense_fifo_info {
- /* Size of the fifo */
- uint16_t size;
- /* Amount of space used in the fifo */
- uint16_t count;
- /* Timestamp recorded in us.
- * aka accurate timestamp when host event was triggered.
- */
- uint32_t timestamp;
- /* Total amount of vector lost */
- uint16_t total_lost;
- /* Lost events since the last fifo_info, per sensors */
- uint16_t lost[0];
-} __ec_todo_packed;
-
-struct ec_response_motion_sense_fifo_data {
- uint32_t number_data;
- struct ec_response_motion_sensor_data data[0];
-} __ec_todo_packed;
-
-/* List supported activity recognition */
-enum motionsensor_activity {
- MOTIONSENSE_ACTIVITY_RESERVED = 0,
- MOTIONSENSE_ACTIVITY_SIG_MOTION = 1,
- MOTIONSENSE_ACTIVITY_DOUBLE_TAP = 2,
- MOTIONSENSE_ACTIVITY_ORIENTATION = 3,
-};
-
-struct ec_motion_sense_activity {
- uint8_t sensor_num;
- uint8_t activity; /* one of enum motionsensor_activity */
- uint8_t enable; /* 1: enable, 0: disable */
- uint8_t reserved;
- uint16_t parameters[3]; /* activity dependent parameters */
-} __ec_todo_unpacked;
-
-/* Module flag masks used for the dump sub-command. */
-#define MOTIONSENSE_MODULE_FLAG_ACTIVE BIT(0)
-
-/* Sensor flag masks used for the dump sub-command. */
-#define MOTIONSENSE_SENSOR_FLAG_PRESENT BIT(0)
-
-/*
- * Flush entry for synchronization.
- * data contains time stamp
- */
-#define MOTIONSENSE_SENSOR_FLAG_FLUSH BIT(0)
-#define MOTIONSENSE_SENSOR_FLAG_TIMESTAMP BIT(1)
-#define MOTIONSENSE_SENSOR_FLAG_WAKEUP BIT(2)
-#define MOTIONSENSE_SENSOR_FLAG_TABLET_MODE BIT(3)
-#define MOTIONSENSE_SENSOR_FLAG_ODR BIT(4)
-
-/*
- * Send this value for the data element to only perform a read. If you
- * send any other value, the EC will interpret it as data to set and will
- * return the actual value set.
- */
-#define EC_MOTION_SENSE_NO_VALUE -1
-
-#define EC_MOTION_SENSE_INVALID_CALIB_TEMP 0x8000
-
-/* MOTIONSENSE_CMD_SENSOR_OFFSET subcommand flag */
-/* Set Calibration information */
-#define MOTION_SENSE_SET_OFFSET BIT(0)
-
-/* Default Scale value, factor 1. */
-#define MOTION_SENSE_DEFAULT_SCALE BIT(15)
-
-#define LID_ANGLE_UNRELIABLE 500
-
-enum motionsense_spoof_mode {
- /* Disable spoof mode. */
- MOTIONSENSE_SPOOF_MODE_DISABLE = 0,
-
- /* Enable spoof mode, but use provided component values. */
- MOTIONSENSE_SPOOF_MODE_CUSTOM,
-
- /* Enable spoof mode, but use the current sensor values. */
- MOTIONSENSE_SPOOF_MODE_LOCK_CURRENT,
-
- /* Query the current spoof mode status for the sensor. */
- MOTIONSENSE_SPOOF_MODE_QUERY,
-};
-
-struct ec_params_motion_sense {
- uint8_t cmd;
- union {
- /* Used for MOTIONSENSE_CMD_DUMP. */
- struct __ec_todo_unpacked {
- /*
- * Maximal number of sensor the host is expecting.
- * 0 means the host is only interested in the number
- * of sensors controlled by the EC.
- */
- uint8_t max_sensor_count;
- } dump;
-
- /*
- * Used for MOTIONSENSE_CMD_KB_WAKE_ANGLE.
- */
- struct __ec_todo_unpacked {
- /* Data to set or EC_MOTION_SENSE_NO_VALUE to read.
- * kb_wake_angle: angle to wakup AP.
- */
- int16_t data;
- } kb_wake_angle;
-
- /*
- * Used for MOTIONSENSE_CMD_INFO, MOTIONSENSE_CMD_DATA
- * and MOTIONSENSE_CMD_PERFORM_CALIB.
- */
- struct __ec_todo_unpacked {
- uint8_t sensor_num;
- } info, info_3, data, fifo_flush, perform_calib,
- list_activities;
-
- /*
- * Used for MOTIONSENSE_CMD_EC_RATE, MOTIONSENSE_CMD_SENSOR_ODR
- * and MOTIONSENSE_CMD_SENSOR_RANGE.
- */
- struct __ec_todo_unpacked {
- uint8_t sensor_num;
-
- /* Rounding flag, true for round-up, false for down. */
- uint8_t roundup;
-
- uint16_t reserved;
-
- /* Data to set or EC_MOTION_SENSE_NO_VALUE to read. */
- int32_t data;
- } ec_rate, sensor_odr, sensor_range;
-
- /* Used for MOTIONSENSE_CMD_SENSOR_OFFSET */
- struct __ec_todo_packed {
- uint8_t sensor_num;
-
- /*
- * bit 0: If set (MOTION_SENSE_SET_OFFSET), set
- * the calibration information in the EC.
- * If unset, just retrieve calibration information.
- */
- uint16_t flags;
-
- /*
- * Temperature at calibration, in units of 0.01 C
- * 0x8000: invalid / unknown.
- * 0x0: 0C
- * 0x7fff: +327.67C
- */
- int16_t temp;
-
- /*
- * Offset for calibration.
- * Unit:
- * Accelerometer: 1/1024 g
- * Gyro: 1/1024 deg/s
- * Compass: 1/16 uT
- */
- int16_t offset[3];
- } sensor_offset;
-
- /* Used for MOTIONSENSE_CMD_SENSOR_SCALE */
- struct __ec_todo_packed {
- uint8_t sensor_num;
-
- /*
- * bit 0: If set (MOTION_SENSE_SET_OFFSET), set
- * the calibration information in the EC.
- * If unset, just retrieve calibration information.
- */
- uint16_t flags;
-
- /*
- * Temperature at calibration, in units of 0.01 C
- * 0x8000: invalid / unknown.
- * 0x0: 0C
- * 0x7fff: +327.67C
- */
- int16_t temp;
-
- /*
- * Scale for calibration:
- * By default scale is 1, it is encoded on 16bits:
- * 1 = BIT(15)
- * ~2 = 0xFFFF
- * ~0 = 0.
- */
- uint16_t scale[3];
- } sensor_scale;
-
-
- /* Used for MOTIONSENSE_CMD_FIFO_INFO */
- /* (no params) */
-
- /* Used for MOTIONSENSE_CMD_FIFO_READ */
- struct __ec_todo_unpacked {
- /*
- * Number of expected vector to return.
- * EC may return less or 0 if none available.
- */
- uint32_t max_data_vector;
- } fifo_read;
-
- struct ec_motion_sense_activity set_activity;
-
- /* Used for MOTIONSENSE_CMD_LID_ANGLE */
- /* (no params) */
-
- /* Used for MOTIONSENSE_CMD_FIFO_INT_ENABLE */
- struct __ec_todo_unpacked {
- /*
- * 1: enable, 0 disable fifo,
- * EC_MOTION_SENSE_NO_VALUE return value.
- */
- int8_t enable;
- } fifo_int_enable;
-
- /* Used for MOTIONSENSE_CMD_SPOOF */
- struct __ec_todo_packed {
- uint8_t sensor_id;
-
- /* See enum motionsense_spoof_mode. */
- uint8_t spoof_enable;
-
- /* Ignored, used for alignment. */
- uint8_t reserved;
-
- /* Individual component values to spoof. */
- int16_t components[3];
- } spoof;
-
- /* Used for MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE. */
- struct __ec_todo_unpacked {
- /*
- * Lid angle threshold for switching between tablet and
- * clamshell mode.
- */
- int16_t lid_angle;
-
- /*
- * Hysteresis degree to prevent fluctuations between
- * clamshell and tablet mode if lid angle keeps
- * changing around the threshold. Lid motion driver will
- * use lid_angle + hys_degree to trigger tablet mode and
- * lid_angle - hys_degree to trigger clamshell mode.
- */
- int16_t hys_degree;
- } tablet_mode_threshold;
- };
-} __ec_todo_packed;
-
-struct ec_response_motion_sense {
- union {
- /* Used for MOTIONSENSE_CMD_DUMP */
- struct __ec_todo_unpacked {
- /* Flags representing the motion sensor module. */
- uint8_t module_flags;
-
- /* Number of sensors managed directly by the EC. */
- uint8_t sensor_count;
-
- /*
- * Sensor data is truncated if response_max is too small
- * for holding all the data.
- */
- struct ec_response_motion_sensor_data sensor[0];
- } dump;
-
- /* Used for MOTIONSENSE_CMD_INFO. */
- struct __ec_todo_unpacked {
- /* Should be element of enum motionsensor_type. */
- uint8_t type;
-
- /* Should be element of enum motionsensor_location. */
- uint8_t location;
-
- /* Should be element of enum motionsensor_chip. */
- uint8_t chip;
- } info;
-
- /* Used for MOTIONSENSE_CMD_INFO version 3 */
- struct __ec_todo_unpacked {
- /* Should be element of enum motionsensor_type. */
- uint8_t type;
-
- /* Should be element of enum motionsensor_location. */
- uint8_t location;
-
- /* Should be element of enum motionsensor_chip. */
- uint8_t chip;
-
- /* Minimum sensor sampling frequency */
- uint32_t min_frequency;
-
- /* Maximum sensor sampling frequency */
- uint32_t max_frequency;
-
- /* Max number of sensor events that could be in fifo */
- uint32_t fifo_max_event_count;
- } info_3;
-
- /* Used for MOTIONSENSE_CMD_DATA */
- struct ec_response_motion_sensor_data data;
-
- /*
- * Used for MOTIONSENSE_CMD_EC_RATE, MOTIONSENSE_CMD_SENSOR_ODR,
- * MOTIONSENSE_CMD_SENSOR_RANGE,
- * MOTIONSENSE_CMD_KB_WAKE_ANGLE,
- * MOTIONSENSE_CMD_FIFO_INT_ENABLE and
- * MOTIONSENSE_CMD_SPOOF.
- */
- struct __ec_todo_unpacked {
- /* Current value of the parameter queried. */
- int32_t ret;
- } ec_rate, sensor_odr, sensor_range, kb_wake_angle,
- fifo_int_enable, spoof;
-
- /*
- * Used for MOTIONSENSE_CMD_SENSOR_OFFSET,
- * PERFORM_CALIB.
- */
- struct __ec_todo_unpacked {
- int16_t temp;
- int16_t offset[3];
- } sensor_offset, perform_calib;
-
- /* Used for MOTIONSENSE_CMD_SENSOR_SCALE */
- struct __ec_todo_unpacked {
- int16_t temp;
- uint16_t scale[3];
- } sensor_scale;
-
- struct ec_response_motion_sense_fifo_info fifo_info, fifo_flush;
-
- struct ec_response_motion_sense_fifo_data fifo_read;
-
- struct __ec_todo_packed {
- uint16_t reserved;
- uint32_t enabled;
- uint32_t disabled;
- } list_activities;
-
- /* No params for set activity */
-
- /* Used for MOTIONSENSE_CMD_LID_ANGLE */
- struct __ec_todo_unpacked {
- /*
- * Angle between 0 and 360 degree if available,
- * LID_ANGLE_UNRELIABLE otherwise.
- */
- uint16_t value;
- } lid_angle;
-
- /* Used for MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE. */
- struct __ec_todo_unpacked {
- /*
- * Lid angle threshold for switching between tablet and
- * clamshell mode.
- */
- uint16_t lid_angle;
-
- /* Hysteresis degree. */
- uint16_t hys_degree;
- } tablet_mode_threshold;
-
- };
-} __ec_todo_packed;
-
-/*****************************************************************************/
-/* Force lid open command */
-
-/* Make lid event always open */
-#define EC_CMD_FORCE_LID_OPEN 0x002C
-
-struct ec_params_force_lid_open {
- uint8_t enabled;
-} __ec_align1;
-
-/*****************************************************************************/
-/* Configure the behavior of the power button */
-#define EC_CMD_CONFIG_POWER_BUTTON 0x002D
-
-enum ec_config_power_button_flags {
- /* Enable/Disable power button pulses for x86 devices */
- EC_POWER_BUTTON_ENABLE_PULSE = BIT(0),
-};
-
-struct ec_params_config_power_button {
- /* See enum ec_config_power_button_flags */
- uint8_t flags;
-} __ec_align1;
-
-/*****************************************************************************/
-/* USB charging control commands */
-
-/* Set USB port charging mode */
-#define EC_CMD_USB_CHARGE_SET_MODE 0x0030
-
-struct ec_params_usb_charge_set_mode {
- uint8_t usb_port_id;
- uint8_t mode:7;
- uint8_t inhibit_charge:1;
-} __ec_align1;
-
-/*****************************************************************************/
-/* Persistent storage for host */
-
-/* Maximum bytes that can be read/written in a single command */
-#define EC_PSTORE_SIZE_MAX 64
-
-/* Get persistent storage info */
-#define EC_CMD_PSTORE_INFO 0x0040
-
-struct ec_response_pstore_info {
- /* Persistent storage size, in bytes */
- uint32_t pstore_size;
- /* Access size; read/write offset and size must be a multiple of this */
- uint32_t access_size;
-} __ec_align4;
-
-/*
- * Read persistent storage
- *
- * Response is params.size bytes of data.
- */
-#define EC_CMD_PSTORE_READ 0x0041
-
-struct ec_params_pstore_read {
- uint32_t offset; /* Byte offset to read */
- uint32_t size; /* Size to read in bytes */
-} __ec_align4;
-
-/* Write persistent storage */
-#define EC_CMD_PSTORE_WRITE 0x0042
-
-struct ec_params_pstore_write {
- uint32_t offset; /* Byte offset to write */
- uint32_t size; /* Size to write in bytes */
- uint8_t data[EC_PSTORE_SIZE_MAX];
-} __ec_align4;
-
-/*****************************************************************************/
-/* Real-time clock */
-
-/* RTC params and response structures */
-struct ec_params_rtc {
- uint32_t time;
-} __ec_align4;
-
-struct ec_response_rtc {
- uint32_t time;
-} __ec_align4;
-
-/* These use ec_response_rtc */
-#define EC_CMD_RTC_GET_VALUE 0x0044
-#define EC_CMD_RTC_GET_ALARM 0x0045
-
-/* These all use ec_params_rtc */
-#define EC_CMD_RTC_SET_VALUE 0x0046
-#define EC_CMD_RTC_SET_ALARM 0x0047
-
-/* Pass as time param to SET_ALARM to clear the current alarm */
-#define EC_RTC_ALARM_CLEAR 0
-
-/*****************************************************************************/
-/* Port80 log access */
-
-/* Maximum entries that can be read/written in a single command */
-#define EC_PORT80_SIZE_MAX 32
-
-/* Get last port80 code from previous boot */
-#define EC_CMD_PORT80_LAST_BOOT 0x0048
-#define EC_CMD_PORT80_READ 0x0048
-
-enum ec_port80_subcmd {
- EC_PORT80_GET_INFO = 0,
- EC_PORT80_READ_BUFFER,
-};
-
-struct ec_params_port80_read {
- uint16_t subcmd;
- union {
- struct __ec_todo_unpacked {
- uint32_t offset;
- uint32_t num_entries;
- } read_buffer;
- };
-} __ec_todo_packed;
-
-struct ec_response_port80_read {
- union {
- struct __ec_todo_unpacked {
- uint32_t writes;
- uint32_t history_size;
- uint32_t last_boot;
- } get_info;
- struct __ec_todo_unpacked {
- uint16_t codes[EC_PORT80_SIZE_MAX];
- } data;
- };
-} __ec_todo_packed;
-
-struct ec_response_port80_last_boot {
- uint16_t code;
-} __ec_align2;
-
-/*****************************************************************************/
-/* Temporary secure storage for host verified boot use */
-
-/* Number of bytes in a vstore slot */
-#define EC_VSTORE_SLOT_SIZE 64
-
-/* Maximum number of vstore slots */
-#define EC_VSTORE_SLOT_MAX 32
-
-/* Get persistent storage info */
-#define EC_CMD_VSTORE_INFO 0x0049
-struct ec_response_vstore_info {
- /* Indicates which slots are locked */
- uint32_t slot_locked;
- /* Total number of slots available */
- uint8_t slot_count;
-} __ec_align_size1;
-
-/*
- * Read temporary secure storage
- *
- * Response is EC_VSTORE_SLOT_SIZE bytes of data.
- */
-#define EC_CMD_VSTORE_READ 0x004A
-
-struct ec_params_vstore_read {
- uint8_t slot; /* Slot to read from */
-} __ec_align1;
-
-struct ec_response_vstore_read {
- uint8_t data[EC_VSTORE_SLOT_SIZE];
-} __ec_align1;
-
-/*
- * Write temporary secure storage and lock it.
- */
-#define EC_CMD_VSTORE_WRITE 0x004B
-
-struct ec_params_vstore_write {
- uint8_t slot; /* Slot to write to */
- uint8_t data[EC_VSTORE_SLOT_SIZE];
-} __ec_align1;
-
-/*****************************************************************************/
-/* Thermal engine commands. Note that there are two implementations. We'll
- * reuse the command number, but the data and behavior is incompatible.
- * Version 0 is what originally shipped on Link.
- * Version 1 separates the CPU thermal limits from the fan control.
- */
-
-#define EC_CMD_THERMAL_SET_THRESHOLD 0x0050
-#define EC_CMD_THERMAL_GET_THRESHOLD 0x0051
-
-/* The version 0 structs are opaque. You have to know what they are for
- * the get/set commands to make any sense.
- */
-
-/* Version 0 - set */
-struct ec_params_thermal_set_threshold {
- uint8_t sensor_type;
- uint8_t threshold_id;
- uint16_t value;
-} __ec_align2;
-
-/* Version 0 - get */
-struct ec_params_thermal_get_threshold {
- uint8_t sensor_type;
- uint8_t threshold_id;
-} __ec_align1;
-
-struct ec_response_thermal_get_threshold {
- uint16_t value;
-} __ec_align2;
-
-
-/* The version 1 structs are visible. */
-enum ec_temp_thresholds {
- EC_TEMP_THRESH_WARN = 0,
- EC_TEMP_THRESH_HIGH,
- EC_TEMP_THRESH_HALT,
-
- EC_TEMP_THRESH_COUNT
-};
-
-/*
- * Thermal configuration for one temperature sensor. Temps are in degrees K.
- * Zero values will be silently ignored by the thermal task.
- *
- * Set 'temp_host' value allows thermal task to trigger some event with 1 degree
- * hysteresis.
- * For example,
- * temp_host[EC_TEMP_THRESH_HIGH] = 300 K
- * temp_host_release[EC_TEMP_THRESH_HIGH] = 0 K
- * EC will throttle ap when temperature >= 301 K, and release throttling when
- * temperature <= 299 K.
- *
- * Set 'temp_host_release' value allows thermal task has a custom hysteresis.
- * For example,
- * temp_host[EC_TEMP_THRESH_HIGH] = 300 K
- * temp_host_release[EC_TEMP_THRESH_HIGH] = 295 K
- * EC will throttle ap when temperature >= 301 K, and release throttling when
- * temperature <= 294 K.
- *
- * Note that this structure is a sub-structure of
- * ec_params_thermal_set_threshold_v1, but maintains its alignment there.
- */
-struct ec_thermal_config {
- uint32_t temp_host[EC_TEMP_THRESH_COUNT]; /* levels of hotness */
- uint32_t temp_host_release[EC_TEMP_THRESH_COUNT]; /* release levels */
- uint32_t temp_fan_off; /* no active cooling needed */
- uint32_t temp_fan_max; /* max active cooling needed */
-} __ec_align4;
-
-/* Version 1 - get config for one sensor. */
-struct ec_params_thermal_get_threshold_v1 {
- uint32_t sensor_num;
-} __ec_align4;
-/* This returns a struct ec_thermal_config */
-
-/*
- * Version 1 - set config for one sensor.
- * Use read-modify-write for best results!
- */
-struct ec_params_thermal_set_threshold_v1 {
- uint32_t sensor_num;
- struct ec_thermal_config cfg;
-} __ec_align4;
-/* This returns no data */
-
-/****************************************************************************/
-
-/* Toggle automatic fan control */
-#define EC_CMD_THERMAL_AUTO_FAN_CTRL 0x0052
-
-/* Version 1 of input params */
-struct ec_params_auto_fan_ctrl_v1 {
- uint8_t fan_idx;
-} __ec_align1;
-
-/* Get/Set TMP006 calibration data */
-#define EC_CMD_TMP006_GET_CALIBRATION 0x0053
-#define EC_CMD_TMP006_SET_CALIBRATION 0x0054
-
-/*
- * The original TMP006 calibration only needed four params, but now we need
- * more. Since the algorithm is nothing but magic numbers anyway, we'll leave
- * the params opaque. The v1 "get" response will include the algorithm number
- * and how many params it requires. That way we can change the EC code without
- * needing to update this file. We can also use a different algorithm on each
- * sensor.
- */
-
-/* This is the same struct for both v0 and v1. */
-struct ec_params_tmp006_get_calibration {
- uint8_t index;
-} __ec_align1;
-
-/* Version 0 */
-struct ec_response_tmp006_get_calibration_v0 {
- float s0;
- float b0;
- float b1;
- float b2;
-} __ec_align4;
-
-struct ec_params_tmp006_set_calibration_v0 {
- uint8_t index;
- uint8_t reserved[3];
- float s0;
- float b0;
- float b1;
- float b2;
-} __ec_align4;
-
-/* Version 1 */
-struct ec_response_tmp006_get_calibration_v1 {
- uint8_t algorithm;
- uint8_t num_params;
- uint8_t reserved[2];
- float val[0];
-} __ec_align4;
-
-struct ec_params_tmp006_set_calibration_v1 {
- uint8_t index;
- uint8_t algorithm;
- uint8_t num_params;
- uint8_t reserved;
- float val[0];
-} __ec_align4;
-
-
-/* Read raw TMP006 data */
-#define EC_CMD_TMP006_GET_RAW 0x0055
-
-struct ec_params_tmp006_get_raw {
- uint8_t index;
-} __ec_align1;
-
-struct ec_response_tmp006_get_raw {
- int32_t t; /* In 1/100 K */
- int32_t v; /* In nV */
-} __ec_align4;
-
-/*****************************************************************************/
-/* MKBP - Matrix KeyBoard Protocol */
-
-/*
- * Read key state
- *
- * Returns raw data for keyboard cols; see ec_response_mkbp_info.cols for
- * expected response size.
- *
- * NOTE: This has been superseded by EC_CMD_MKBP_GET_NEXT_EVENT. If you wish
- * to obtain the instantaneous state, use EC_CMD_MKBP_INFO with the type
- * EC_MKBP_INFO_CURRENT and event EC_MKBP_EVENT_KEY_MATRIX.
- */
-#define EC_CMD_MKBP_STATE 0x0060
-
-/*
- * Provide information about various MKBP things. See enum ec_mkbp_info_type.
- */
-#define EC_CMD_MKBP_INFO 0x0061
-
-struct ec_response_mkbp_info {
- uint32_t rows;
- uint32_t cols;
- /* Formerly "switches", which was 0. */
- uint8_t reserved;
-} __ec_align_size1;
-
-struct ec_params_mkbp_info {
- uint8_t info_type;
- uint8_t event_type;
-} __ec_align1;
-
-enum ec_mkbp_info_type {
- /*
- * Info about the keyboard matrix: number of rows and columns.
- *
- * Returns struct ec_response_mkbp_info.
- */
- EC_MKBP_INFO_KBD = 0,
-
- /*
- * For buttons and switches, info about which specifically are
- * supported. event_type must be set to one of the values in enum
- * ec_mkbp_event.
- *
- * For EC_MKBP_EVENT_BUTTON and EC_MKBP_EVENT_SWITCH, returns a 4 byte
- * bitmask indicating which buttons or switches are present. See the
- * bit inidices below.
- */
- EC_MKBP_INFO_SUPPORTED = 1,
-
- /*
- * Instantaneous state of buttons and switches.
- *
- * event_type must be set to one of the values in enum ec_mkbp_event.
- *
- * For EC_MKBP_EVENT_KEY_MATRIX, returns uint8_t key_matrix[13]
- * indicating the current state of the keyboard matrix.
- *
- * For EC_MKBP_EVENT_HOST_EVENT, return uint32_t host_event, the raw
- * event state.
- *
- * For EC_MKBP_EVENT_BUTTON, returns uint32_t buttons, indicating the
- * state of supported buttons.
- *
- * For EC_MKBP_EVENT_SWITCH, returns uint32_t switches, indicating the
- * state of supported switches.
- */
- EC_MKBP_INFO_CURRENT = 2,
-};
-
-/* Simulate key press */
-#define EC_CMD_MKBP_SIMULATE_KEY 0x0062
-
-struct ec_params_mkbp_simulate_key {
- uint8_t col;
- uint8_t row;
- uint8_t pressed;
-} __ec_align1;
-
-#define EC_CMD_GET_KEYBOARD_ID 0x0063
-
-struct ec_response_keyboard_id {
- uint32_t keyboard_id;
-} __ec_align4;
-
-enum keyboard_id {
- KEYBOARD_ID_UNSUPPORTED = 0,
- KEYBOARD_ID_UNREADABLE = 0xffffffff,
-};
-
-/* Configure keyboard scanning */
-#define EC_CMD_MKBP_SET_CONFIG 0x0064
-#define EC_CMD_MKBP_GET_CONFIG 0x0065
-
-/* flags */
-enum mkbp_config_flags {
- EC_MKBP_FLAGS_ENABLE = 1, /* Enable keyboard scanning */
-};
-
-enum mkbp_config_valid {
- EC_MKBP_VALID_SCAN_PERIOD = BIT(0),
- EC_MKBP_VALID_POLL_TIMEOUT = BIT(1),
- EC_MKBP_VALID_MIN_POST_SCAN_DELAY = BIT(3),
- EC_MKBP_VALID_OUTPUT_SETTLE = BIT(4),
- EC_MKBP_VALID_DEBOUNCE_DOWN = BIT(5),
- EC_MKBP_VALID_DEBOUNCE_UP = BIT(6),
- EC_MKBP_VALID_FIFO_MAX_DEPTH = BIT(7),
-};
-
-/*
- * Configuration for our key scanning algorithm.
- *
- * Note that this is used as a sub-structure of
- * ec_{params/response}_mkbp_get_config.
- */
-struct ec_mkbp_config {
- uint32_t valid_mask; /* valid fields */
- uint8_t flags; /* some flags (enum mkbp_config_flags) */
- uint8_t valid_flags; /* which flags are valid */
- uint16_t scan_period_us; /* period between start of scans */
- /* revert to interrupt mode after no activity for this long */
- uint32_t poll_timeout_us;
- /*
- * minimum post-scan relax time. Once we finish a scan we check
- * the time until we are due to start the next one. If this time is
- * shorter this field, we use this instead.
- */
- uint16_t min_post_scan_delay_us;
- /* delay between setting up output and waiting for it to settle */
- uint16_t output_settle_us;
- uint16_t debounce_down_us; /* time for debounce on key down */
- uint16_t debounce_up_us; /* time for debounce on key up */
- /* maximum depth to allow for fifo (0 = no keyscan output) */
- uint8_t fifo_max_depth;
-} __ec_align_size1;
-
-struct ec_params_mkbp_set_config {
- struct ec_mkbp_config config;
-} __ec_align_size1;
-
-struct ec_response_mkbp_get_config {
- struct ec_mkbp_config config;
-} __ec_align_size1;
-
-/* Run the key scan emulation */
-#define EC_CMD_KEYSCAN_SEQ_CTRL 0x0066
-
-enum ec_keyscan_seq_cmd {
- EC_KEYSCAN_SEQ_STATUS = 0, /* Get status information */
- EC_KEYSCAN_SEQ_CLEAR = 1, /* Clear sequence */
- EC_KEYSCAN_SEQ_ADD = 2, /* Add item to sequence */
- EC_KEYSCAN_SEQ_START = 3, /* Start running sequence */
- EC_KEYSCAN_SEQ_COLLECT = 4, /* Collect sequence summary data */
-};
-
-enum ec_collect_flags {
- /*
- * Indicates this scan was processed by the EC. Due to timing, some
- * scans may be skipped.
- */
- EC_KEYSCAN_SEQ_FLAG_DONE = BIT(0),
-};
-
-struct ec_collect_item {
- uint8_t flags; /* some flags (enum ec_collect_flags) */
-} __ec_align1;
-
-struct ec_params_keyscan_seq_ctrl {
- uint8_t cmd; /* Command to send (enum ec_keyscan_seq_cmd) */
- union {
- struct __ec_align1 {
- uint8_t active; /* still active */
- uint8_t num_items; /* number of items */
- /* Current item being presented */
- uint8_t cur_item;
- } status;
- struct __ec_todo_unpacked {
- /*
- * Absolute time for this scan, measured from the
- * start of the sequence.
- */
- uint32_t time_us;
- uint8_t scan[0]; /* keyscan data */
- } add;
- struct __ec_align1 {
- uint8_t start_item; /* First item to return */
- uint8_t num_items; /* Number of items to return */
- } collect;
- };
-} __ec_todo_packed;
-
-struct ec_result_keyscan_seq_ctrl {
- union {
- struct __ec_todo_unpacked {
- uint8_t num_items; /* Number of items */
- /* Data for each item */
- struct ec_collect_item item[0];
- } collect;
- };
-} __ec_todo_packed;
-
-/*
- * Get the next pending MKBP event.
- *
- * Returns EC_RES_UNAVAILABLE if there is no event pending.
- */
-#define EC_CMD_GET_NEXT_EVENT 0x0067
-
-#define EC_MKBP_HAS_MORE_EVENTS_SHIFT 7
-
-/*
- * We use the most significant bit of the event type to indicate to the host
- * that the EC has more MKBP events available to provide.
- */
-#define EC_MKBP_HAS_MORE_EVENTS BIT(EC_MKBP_HAS_MORE_EVENTS_SHIFT)
-
-/* The mask to apply to get the raw event type */
-#define EC_MKBP_EVENT_TYPE_MASK (BIT(EC_MKBP_HAS_MORE_EVENTS_SHIFT) - 1)
-
-enum ec_mkbp_event {
- /* Keyboard matrix changed. The event data is the new matrix state. */
- EC_MKBP_EVENT_KEY_MATRIX = 0,
-
- /* New host event. The event data is 4 bytes of host event flags. */
- EC_MKBP_EVENT_HOST_EVENT = 1,
-
- /* New Sensor FIFO data. The event data is fifo_info structure. */
- EC_MKBP_EVENT_SENSOR_FIFO = 2,
-
- /* The state of the non-matrixed buttons have changed. */
- EC_MKBP_EVENT_BUTTON = 3,
-
- /* The state of the switches have changed. */
- EC_MKBP_EVENT_SWITCH = 4,
-
- /* New Fingerprint sensor event, the event data is fp_events bitmap. */
- EC_MKBP_EVENT_FINGERPRINT = 5,
-
- /*
- * Sysrq event: send emulated sysrq. The event data is sysrq,
- * corresponding to the key to be pressed.
- */
- EC_MKBP_EVENT_SYSRQ = 6,
-
- /*
- * New 64-bit host event.
- * The event data is 8 bytes of host event flags.
- */
- EC_MKBP_EVENT_HOST_EVENT64 = 7,
-
- /* Notify the AP that something happened on CEC */
- EC_MKBP_EVENT_CEC_EVENT = 8,
-
- /* Send an incoming CEC message to the AP */
- EC_MKBP_EVENT_CEC_MESSAGE = 9,
-
- /* Number of MKBP events */
- EC_MKBP_EVENT_COUNT,
-};
-BUILD_ASSERT(EC_MKBP_EVENT_COUNT <= EC_MKBP_EVENT_TYPE_MASK);
-
-union __ec_align_offset1 ec_response_get_next_data {
- uint8_t key_matrix[13];
-
- /* Unaligned */
- uint32_t host_event;
- uint64_t host_event64;
-
- struct __ec_todo_unpacked {
- /* For aligning the fifo_info */
- uint8_t reserved[3];
- struct ec_response_motion_sense_fifo_info info;
- } sensor_fifo;
-
- uint32_t buttons;
-
- uint32_t switches;
-
- uint32_t fp_events;
-
- uint32_t sysrq;
-
- /* CEC events from enum mkbp_cec_event */
- uint32_t cec_events;
-};
-
-union __ec_align_offset1 ec_response_get_next_data_v1 {
- uint8_t key_matrix[16];
-
- /* Unaligned */
- uint32_t host_event;
- uint64_t host_event64;
-
- struct __ec_todo_unpacked {
- /* For aligning the fifo_info */
- uint8_t reserved[3];
- struct ec_response_motion_sense_fifo_info info;
- } sensor_fifo;
-
- uint32_t buttons;
-
- uint32_t switches;
-
- uint32_t fp_events;
-
- uint32_t sysrq;
-
- /* CEC events from enum mkbp_cec_event */
- uint32_t cec_events;
-
- uint8_t cec_message[16];
-};
-BUILD_ASSERT(sizeof(union ec_response_get_next_data_v1) == 16);
-
-struct ec_response_get_next_event {
- uint8_t event_type;
- /* Followed by event data if any */
- union ec_response_get_next_data data;
-} __ec_align1;
-
-struct ec_response_get_next_event_v1 {
- uint8_t event_type;
- /* Followed by event data if any */
- union ec_response_get_next_data_v1 data;
-} __ec_align1;
-
-/* Bit indices for buttons and switches.*/
-/* Buttons */
-#define EC_MKBP_POWER_BUTTON 0
-#define EC_MKBP_VOL_UP 1
-#define EC_MKBP_VOL_DOWN 2
-#define EC_MKBP_RECOVERY 3
-
-/* Switches */
-#define EC_MKBP_LID_OPEN 0
-#define EC_MKBP_TABLET_MODE 1
-#define EC_MKBP_BASE_ATTACHED 2
-
-/* Run keyboard factory test scanning */
-#define EC_CMD_KEYBOARD_FACTORY_TEST 0x0068
-
-struct ec_response_keyboard_factory_test {
- uint16_t shorted; /* Keyboard pins are shorted */
-} __ec_align2;
-
-/* Fingerprint events in 'fp_events' for EC_MKBP_EVENT_FINGERPRINT */
-#define EC_MKBP_FP_RAW_EVENT(fp_events) ((fp_events) & 0x00FFFFFF)
-#define EC_MKBP_FP_ERRCODE(fp_events) ((fp_events) & 0x0000000F)
-#define EC_MKBP_FP_ENROLL_PROGRESS_OFFSET 4
-#define EC_MKBP_FP_ENROLL_PROGRESS(fpe) (((fpe) & 0x00000FF0) \
- >> EC_MKBP_FP_ENROLL_PROGRESS_OFFSET)
-#define EC_MKBP_FP_MATCH_IDX_OFFSET 12
-#define EC_MKBP_FP_MATCH_IDX_MASK 0x0000F000
-#define EC_MKBP_FP_MATCH_IDX(fpe) (((fpe) & EC_MKBP_FP_MATCH_IDX_MASK) \
- >> EC_MKBP_FP_MATCH_IDX_OFFSET)
-#define EC_MKBP_FP_ENROLL BIT(27)
-#define EC_MKBP_FP_MATCH BIT(28)
-#define EC_MKBP_FP_FINGER_DOWN BIT(29)
-#define EC_MKBP_FP_FINGER_UP BIT(30)
-#define EC_MKBP_FP_IMAGE_READY BIT(31)
-/* code given by EC_MKBP_FP_ERRCODE() when EC_MKBP_FP_ENROLL is set */
-#define EC_MKBP_FP_ERR_ENROLL_OK 0
-#define EC_MKBP_FP_ERR_ENROLL_LOW_QUALITY 1
-#define EC_MKBP_FP_ERR_ENROLL_IMMOBILE 2
-#define EC_MKBP_FP_ERR_ENROLL_LOW_COVERAGE 3
-#define EC_MKBP_FP_ERR_ENROLL_INTERNAL 5
-/* Can be used to detect if image was usable for enrollment or not. */
-#define EC_MKBP_FP_ERR_ENROLL_PROBLEM_MASK 1
-/* code given by EC_MKBP_FP_ERRCODE() when EC_MKBP_FP_MATCH is set */
-#define EC_MKBP_FP_ERR_MATCH_NO 0
-#define EC_MKBP_FP_ERR_MATCH_NO_INTERNAL 6
-#define EC_MKBP_FP_ERR_MATCH_NO_TEMPLATES 7
-#define EC_MKBP_FP_ERR_MATCH_NO_LOW_QUALITY 2
-#define EC_MKBP_FP_ERR_MATCH_NO_LOW_COVERAGE 4
-#define EC_MKBP_FP_ERR_MATCH_YES 1
-#define EC_MKBP_FP_ERR_MATCH_YES_UPDATED 3
-#define EC_MKBP_FP_ERR_MATCH_YES_UPDATE_FAILED 5
-
-
-/*****************************************************************************/
-/* Temperature sensor commands */
-
-/* Read temperature sensor info */
-#define EC_CMD_TEMP_SENSOR_GET_INFO 0x0070
-
-struct ec_params_temp_sensor_get_info {
- uint8_t id;
-} __ec_align1;
-
-struct ec_response_temp_sensor_get_info {
- char sensor_name[32];
- uint8_t sensor_type;
-} __ec_align1;
-
-/*****************************************************************************/
-
-/*
- * Note: host commands 0x80 - 0x87 are reserved to avoid conflict with ACPI
- * commands accidentally sent to the wrong interface. See the ACPI section
- * below.
- */
-
-/*****************************************************************************/
-/* Host event commands */
-
-
-/* Obsolete. New implementation should use EC_CMD_HOST_EVENT instead */
-/*
- * Host event mask params and response structures, shared by all of the host
- * event commands below.
- */
-struct ec_params_host_event_mask {
- uint32_t mask;
-} __ec_align4;
-
-struct ec_response_host_event_mask {
- uint32_t mask;
-} __ec_align4;
-
-/* These all use ec_response_host_event_mask */
-#define EC_CMD_HOST_EVENT_GET_B 0x0087
-#define EC_CMD_HOST_EVENT_GET_SMI_MASK 0x0088
-#define EC_CMD_HOST_EVENT_GET_SCI_MASK 0x0089
-#define EC_CMD_HOST_EVENT_GET_WAKE_MASK 0x008D
-
-/* These all use ec_params_host_event_mask */
-#define EC_CMD_HOST_EVENT_SET_SMI_MASK 0x008A
-#define EC_CMD_HOST_EVENT_SET_SCI_MASK 0x008B
-#define EC_CMD_HOST_EVENT_CLEAR 0x008C
-#define EC_CMD_HOST_EVENT_SET_WAKE_MASK 0x008E
-#define EC_CMD_HOST_EVENT_CLEAR_B 0x008F
-
-/*
- * Unified host event programming interface - Should be used by newer versions
- * of BIOS/OS to program host events and masks
- */
-
-struct ec_params_host_event {
-
- /* Action requested by host - one of enum ec_host_event_action. */
- uint8_t action;
-
- /*
- * Mask type that the host requested the action on - one of
- * enum ec_host_event_mask_type.
- */
- uint8_t mask_type;
-
- /* Set to 0, ignore on read */
- uint16_t reserved;
-
- /* Value to be used in case of set operations. */
- uint64_t value;
-} __ec_align4;
-
-/*
- * Response structure returned by EC_CMD_HOST_EVENT.
- * Update the value on a GET request. Set to 0 on GET/CLEAR
- */
-
-struct ec_response_host_event {
-
- /* Mask value in case of get operation */
- uint64_t value;
-} __ec_align4;
-
-enum ec_host_event_action {
- /*
- * params.value is ignored. Value of mask_type populated
- * in response.value
- */
- EC_HOST_EVENT_GET,
-
- /* Bits in params.value are set */
- EC_HOST_EVENT_SET,
-
- /* Bits in params.value are cleared */
- EC_HOST_EVENT_CLEAR,
-};
-
-enum ec_host_event_mask_type {
-
- /* Main host event copy */
- EC_HOST_EVENT_MAIN,
-
- /* Copy B of host events */
- EC_HOST_EVENT_B,
-
- /* SCI Mask */
- EC_HOST_EVENT_SCI_MASK,
-
- /* SMI Mask */
- EC_HOST_EVENT_SMI_MASK,
-
- /* Mask of events that should be always reported in hostevents */
- EC_HOST_EVENT_ALWAYS_REPORT_MASK,
-
- /* Active wake mask */
- EC_HOST_EVENT_ACTIVE_WAKE_MASK,
-
- /* Lazy wake mask for S0ix */
- EC_HOST_EVENT_LAZY_WAKE_MASK_S0IX,
-
- /* Lazy wake mask for S3 */
- EC_HOST_EVENT_LAZY_WAKE_MASK_S3,
-
- /* Lazy wake mask for S5 */
- EC_HOST_EVENT_LAZY_WAKE_MASK_S5,
-};
-
-#define EC_CMD_HOST_EVENT 0x00A4
-
-/*****************************************************************************/
-/* Switch commands */
-
-/* Enable/disable LCD backlight */
-#define EC_CMD_SWITCH_ENABLE_BKLIGHT 0x0090
-
-struct ec_params_switch_enable_backlight {
- uint8_t enabled;
-} __ec_align1;
-
-/* Enable/disable WLAN/Bluetooth */
-#define EC_CMD_SWITCH_ENABLE_WIRELESS 0x0091
-#define EC_VER_SWITCH_ENABLE_WIRELESS 1
-
-/* Version 0 params; no response */
-struct ec_params_switch_enable_wireless_v0 {
- uint8_t enabled;
-} __ec_align1;
-
-/* Version 1 params */
-struct ec_params_switch_enable_wireless_v1 {
- /* Flags to enable now */
- uint8_t now_flags;
-
- /* Which flags to copy from now_flags */
- uint8_t now_mask;
-
- /*
- * Flags to leave enabled in S3, if they're on at the S0->S3
- * transition. (Other flags will be disabled by the S0->S3
- * transition.)
- */
- uint8_t suspend_flags;
-
- /* Which flags to copy from suspend_flags */
- uint8_t suspend_mask;
-} __ec_align1;
-
-/* Version 1 response */
-struct ec_response_switch_enable_wireless_v1 {
- /* Flags to enable now */
- uint8_t now_flags;
-
- /* Flags to leave enabled in S3 */
- uint8_t suspend_flags;
-} __ec_align1;
-
-/*****************************************************************************/
-/* GPIO commands. Only available on EC if write protect has been disabled. */
-
-/* Set GPIO output value */
-#define EC_CMD_GPIO_SET 0x0092
-
-struct ec_params_gpio_set {
- char name[32];
- uint8_t val;
-} __ec_align1;
-
-/* Get GPIO value */
-#define EC_CMD_GPIO_GET 0x0093
-
-/* Version 0 of input params and response */
-struct ec_params_gpio_get {
- char name[32];
-} __ec_align1;
-
-struct ec_response_gpio_get {
- uint8_t val;
-} __ec_align1;
-
-/* Version 1 of input params and response */
-struct ec_params_gpio_get_v1 {
- uint8_t subcmd;
- union {
- struct __ec_align1 {
- char name[32];
- } get_value_by_name;
- struct __ec_align1 {
- uint8_t index;
- } get_info;
- };
-} __ec_align1;
-
-struct ec_response_gpio_get_v1 {
- union {
- struct __ec_align1 {
- uint8_t val;
- } get_value_by_name, get_count;
- struct __ec_todo_unpacked {
- uint8_t val;
- char name[32];
- uint32_t flags;
- } get_info;
- };
-} __ec_todo_packed;
-
-enum gpio_get_subcmd {
- EC_GPIO_GET_BY_NAME = 0,
- EC_GPIO_GET_COUNT = 1,
- EC_GPIO_GET_INFO = 2,
-};
-
-/*****************************************************************************/
-/* I2C commands. Only available when flash write protect is unlocked. */
-
-/*
- * CAUTION: These commands are deprecated, and are not supported anymore in EC
- * builds >= 8398.0.0 (see crosbug.com/p/23570).
- *
- * Use EC_CMD_I2C_PASSTHRU instead.
- */
-
-/* Read I2C bus */
-#define EC_CMD_I2C_READ 0x0094
-
-struct ec_params_i2c_read {
- uint16_t addr; /* 8-bit address (7-bit shifted << 1) */
- uint8_t read_size; /* Either 8 or 16. */
- uint8_t port;
- uint8_t offset;
-} __ec_align_size1;
-
-struct ec_response_i2c_read {
- uint16_t data;
-} __ec_align2;
-
-/* Write I2C bus */
-#define EC_CMD_I2C_WRITE 0x0095
-
-struct ec_params_i2c_write {
- uint16_t data;
- uint16_t addr; /* 8-bit address (7-bit shifted << 1) */
- uint8_t write_size; /* Either 8 or 16. */
- uint8_t port;
- uint8_t offset;
-} __ec_align_size1;
-
-/*****************************************************************************/
-/* Charge state commands. Only available when flash write protect unlocked. */
-
-/* Force charge state machine to stop charging the battery or force it to
- * discharge the battery.
- */
-#define EC_CMD_CHARGE_CONTROL 0x0096
-#define EC_VER_CHARGE_CONTROL 1
-
-enum ec_charge_control_mode {
- CHARGE_CONTROL_NORMAL = 0,
- CHARGE_CONTROL_IDLE,
- CHARGE_CONTROL_DISCHARGE,
-};
-
-struct ec_params_charge_control {
- uint32_t mode; /* enum charge_control_mode */
-} __ec_align4;
-
-/*****************************************************************************/
-
-/* Snapshot console output buffer for use by EC_CMD_CONSOLE_READ. */
-#define EC_CMD_CONSOLE_SNAPSHOT 0x0097
-
-/*
- * Read data from the saved snapshot. If the subcmd parameter is
- * CONSOLE_READ_NEXT, this will return data starting from the beginning of
- * the latest snapshot. If it is CONSOLE_READ_RECENT, it will start from the
- * end of the previous snapshot.
- *
- * The params are only looked at in version >= 1 of this command. Prior
- * versions will just default to CONSOLE_READ_NEXT behavior.
- *
- * Response is null-terminated string. Empty string, if there is no more
- * remaining output.
- */
-#define EC_CMD_CONSOLE_READ 0x0098
-
-enum ec_console_read_subcmd {
- CONSOLE_READ_NEXT = 0,
- CONSOLE_READ_RECENT
-};
-
-struct ec_params_console_read_v1 {
- uint8_t subcmd; /* enum ec_console_read_subcmd */
-} __ec_align1;
-
-/*****************************************************************************/
-
-/*
- * Cut off battery power immediately or after the host has shut down.
- *
- * return EC_RES_INVALID_COMMAND if unsupported by a board/battery.
- * EC_RES_SUCCESS if the command was successful.
- * EC_RES_ERROR if the cut off command failed.
- */
-#define EC_CMD_BATTERY_CUT_OFF 0x0099
-
-#define EC_BATTERY_CUTOFF_FLAG_AT_SHUTDOWN BIT(0)
-
-struct ec_params_battery_cutoff {
- uint8_t flags;
-} __ec_align1;
-
-/*****************************************************************************/
-/* USB port mux control. */
-
-/*
- * Switch USB mux or return to automatic switching.
- */
-#define EC_CMD_USB_MUX 0x009A
-
-struct ec_params_usb_mux {
- uint8_t mux;
-} __ec_align1;
-
-/*****************************************************************************/
-/* LDOs / FETs control. */
-
-enum ec_ldo_state {
- EC_LDO_STATE_OFF = 0, /* the LDO / FET is shut down */
- EC_LDO_STATE_ON = 1, /* the LDO / FET is ON / providing power */
-};
-
-/*
- * Switch on/off a LDO.
- */
-#define EC_CMD_LDO_SET 0x009B
-
-struct ec_params_ldo_set {
- uint8_t index;
- uint8_t state;
-} __ec_align1;
-
-/*
- * Get LDO state.
- */
-#define EC_CMD_LDO_GET 0x009C
-
-struct ec_params_ldo_get {
- uint8_t index;
-} __ec_align1;
-
-struct ec_response_ldo_get {
- uint8_t state;
-} __ec_align1;
-
-/*****************************************************************************/
-/* Power info. */
-
-/*
- * Get power info.
- */
-#define EC_CMD_POWER_INFO 0x009D
-
-struct ec_response_power_info {
- uint32_t usb_dev_type;
- uint16_t voltage_ac;
- uint16_t voltage_system;
- uint16_t current_system;
- uint16_t usb_current_limit;
-} __ec_align4;
-
-/*****************************************************************************/
-/* I2C passthru command */
-
-#define EC_CMD_I2C_PASSTHRU 0x009E
-
-/* Read data; if not present, message is a write */
-#define EC_I2C_FLAG_READ BIT(15)
-
-/* Mask for address */
-#define EC_I2C_ADDR_MASK 0x3ff
-
-#define EC_I2C_STATUS_NAK BIT(0) /* Transfer was not acknowledged */
-#define EC_I2C_STATUS_TIMEOUT BIT(1) /* Timeout during transfer */
-
-/* Any error */
-#define EC_I2C_STATUS_ERROR (EC_I2C_STATUS_NAK | EC_I2C_STATUS_TIMEOUT)
-
-struct ec_params_i2c_passthru_msg {
- uint16_t addr_flags; /* I2C slave address (7 or 10 bits) and flags */
- uint16_t len; /* Number of bytes to read or write */
-} __ec_align2;
-
-struct ec_params_i2c_passthru {
- uint8_t port; /* I2C port number */
- uint8_t num_msgs; /* Number of messages */
- struct ec_params_i2c_passthru_msg msg[];
- /* Data to write for all messages is concatenated here */
-} __ec_align2;
-
-struct ec_response_i2c_passthru {
- uint8_t i2c_status; /* Status flags (EC_I2C_STATUS_...) */
- uint8_t num_msgs; /* Number of messages processed */
- uint8_t data[]; /* Data read by messages concatenated here */
-} __ec_align1;
-
-/*****************************************************************************/
-/* Power button hang detect */
-
-#define EC_CMD_HANG_DETECT 0x009F
-
-/* Reasons to start hang detection timer */
-/* Power button pressed */
-#define EC_HANG_START_ON_POWER_PRESS BIT(0)
-
-/* Lid closed */
-#define EC_HANG_START_ON_LID_CLOSE BIT(1)
-
- /* Lid opened */
-#define EC_HANG_START_ON_LID_OPEN BIT(2)
-
-/* Start of AP S3->S0 transition (booting or resuming from suspend) */
-#define EC_HANG_START_ON_RESUME BIT(3)
-
-/* Reasons to cancel hang detection */
-
-/* Power button released */
-#define EC_HANG_STOP_ON_POWER_RELEASE BIT(8)
-
-/* Any host command from AP received */
-#define EC_HANG_STOP_ON_HOST_COMMAND BIT(9)
-
-/* Stop on end of AP S0->S3 transition (suspending or shutting down) */
-#define EC_HANG_STOP_ON_SUSPEND BIT(10)
-
-/*
- * If this flag is set, all the other fields are ignored, and the hang detect
- * timer is started. This provides the AP a way to start the hang timer
- * without reconfiguring any of the other hang detect settings. Note that
- * you must previously have configured the timeouts.
- */
-#define EC_HANG_START_NOW BIT(30)
-
-/*
- * If this flag is set, all the other fields are ignored (including
- * EC_HANG_START_NOW). This provides the AP a way to stop the hang timer
- * without reconfiguring any of the other hang detect settings.
- */
-#define EC_HANG_STOP_NOW BIT(31)
-
-struct ec_params_hang_detect {
- /* Flags; see EC_HANG_* */
- uint32_t flags;
-
- /* Timeout in msec before generating host event, if enabled */
- uint16_t host_event_timeout_msec;
-
- /* Timeout in msec before generating warm reboot, if enabled */
- uint16_t warm_reboot_timeout_msec;
-} __ec_align4;
-
-/*****************************************************************************/
-/* Commands for battery charging */
-
-/*
- * This is the single catch-all host command to exchange data regarding the
- * charge state machine (v2 and up).
- */
-#define EC_CMD_CHARGE_STATE 0x00A0
-
-/* Subcommands for this host command */
-enum charge_state_command {
- CHARGE_STATE_CMD_GET_STATE,
- CHARGE_STATE_CMD_GET_PARAM,
- CHARGE_STATE_CMD_SET_PARAM,
- CHARGE_STATE_NUM_CMDS
-};
-
-/*
- * Known param numbers are defined here. Ranges are reserved for board-specific
- * params, which are handled by the particular implementations.
- */
-enum charge_state_params {
- CS_PARAM_CHG_VOLTAGE, /* charger voltage limit */
- CS_PARAM_CHG_CURRENT, /* charger current limit */
- CS_PARAM_CHG_INPUT_CURRENT, /* charger input current limit */
- CS_PARAM_CHG_STATUS, /* charger-specific status */
- CS_PARAM_CHG_OPTION, /* charger-specific options */
- CS_PARAM_LIMIT_POWER, /*
- * Check if power is limited due to
- * low battery and / or a weak external
- * charger. READ ONLY.
- */
- /* How many so far? */
- CS_NUM_BASE_PARAMS,
-
- /* Range for CONFIG_CHARGER_PROFILE_OVERRIDE params */
- CS_PARAM_CUSTOM_PROFILE_MIN = 0x10000,
- CS_PARAM_CUSTOM_PROFILE_MAX = 0x1ffff,
-
- /* Range for CONFIG_CHARGE_STATE_DEBUG params */
- CS_PARAM_DEBUG_MIN = 0x20000,
- CS_PARAM_DEBUG_CTL_MODE = 0x20000,
- CS_PARAM_DEBUG_MANUAL_MODE,
- CS_PARAM_DEBUG_SEEMS_DEAD,
- CS_PARAM_DEBUG_SEEMS_DISCONNECTED,
- CS_PARAM_DEBUG_BATT_REMOVED,
- CS_PARAM_DEBUG_MANUAL_CURRENT,
- CS_PARAM_DEBUG_MANUAL_VOLTAGE,
- CS_PARAM_DEBUG_MAX = 0x2ffff,
-
- /* Other custom param ranges go here... */
-};
-
-struct ec_params_charge_state {
- uint8_t cmd; /* enum charge_state_command */
- union {
- /* get_state has no args */
-
- struct __ec_todo_unpacked {
- uint32_t param; /* enum charge_state_param */
- } get_param;
-
- struct __ec_todo_unpacked {
- uint32_t param; /* param to set */
- uint32_t value; /* value to set */
- } set_param;
- };
-} __ec_todo_packed;
-
-struct ec_response_charge_state {
- union {
- struct __ec_align4 {
- int ac;
- int chg_voltage;
- int chg_current;
- int chg_input_current;
- int batt_state_of_charge;
- } get_state;
-
- struct __ec_align4 {
- uint32_t value;
- } get_param;
-
- /* set_param returns no args */
- };
-} __ec_align4;
-
-
-/*
- * Set maximum battery charging current.
- */
-#define EC_CMD_CHARGE_CURRENT_LIMIT 0x00A1
-
-struct ec_params_current_limit {
- uint32_t limit; /* in mA */
-} __ec_align4;
-
-/*
- * Set maximum external voltage / current.
- */
-#define EC_CMD_EXTERNAL_POWER_LIMIT 0x00A2
-
-/* Command v0 is used only on Spring and is obsolete + unsupported */
-struct ec_params_external_power_limit_v1 {
- uint16_t current_lim; /* in mA, or EC_POWER_LIMIT_NONE to clear limit */
- uint16_t voltage_lim; /* in mV, or EC_POWER_LIMIT_NONE to clear limit */
-} __ec_align2;
-
-#define EC_POWER_LIMIT_NONE 0xffff
-
-/*
- * Set maximum voltage & current of a dedicated charge port
- */
-#define EC_CMD_OVERRIDE_DEDICATED_CHARGER_LIMIT 0x00A3
-
-struct ec_params_dedicated_charger_limit {
- uint16_t current_lim; /* in mA */
- uint16_t voltage_lim; /* in mV */
-} __ec_align2;
-
-/*****************************************************************************/
-/* Hibernate/Deep Sleep Commands */
-
-/* Set the delay before going into hibernation. */
-#define EC_CMD_HIBERNATION_DELAY 0x00A8
-
-struct ec_params_hibernation_delay {
- /*
- * Seconds to wait in G3 before hibernate. Pass in 0 to read the
- * current settings without changing them.
- */
- uint32_t seconds;
-} __ec_align4;
-
-struct ec_response_hibernation_delay {
- /*
- * The current time in seconds in which the system has been in the G3
- * state. This value is reset if the EC transitions out of G3.
- */
- uint32_t time_g3;
-
- /*
- * The current time remaining in seconds until the EC should hibernate.
- * This value is also reset if the EC transitions out of G3.
- */
- uint32_t time_remaining;
-
- /*
- * The current time in seconds that the EC should wait in G3 before
- * hibernating.
- */
- uint32_t hibernate_delay;
-} __ec_align4;
-
-/* Inform the EC when entering a sleep state */
-#define EC_CMD_HOST_SLEEP_EVENT 0x00A9
-
-enum host_sleep_event {
- HOST_SLEEP_EVENT_S3_SUSPEND = 1,
- HOST_SLEEP_EVENT_S3_RESUME = 2,
- HOST_SLEEP_EVENT_S0IX_SUSPEND = 3,
- HOST_SLEEP_EVENT_S0IX_RESUME = 4,
- /* S3 suspend with additional enabled wake sources */
- HOST_SLEEP_EVENT_S3_WAKEABLE_SUSPEND = 5,
-};
-
-struct ec_params_host_sleep_event {
- uint8_t sleep_event;
-} __ec_align1;
-
-/*
- * Use a default timeout value (CONFIG_SLEEP_TIMEOUT_MS) for detecting sleep
- * transition failures
- */
-#define EC_HOST_SLEEP_TIMEOUT_DEFAULT 0
-
-/* Disable timeout detection for this sleep transition */
-#define EC_HOST_SLEEP_TIMEOUT_INFINITE 0xFFFF
-
-struct ec_params_host_sleep_event_v1 {
- /* The type of sleep being entered or exited. */
- uint8_t sleep_event;
-
- /* Padding */
- uint8_t reserved;
- union {
- /* Parameters that apply for suspend messages. */
- struct {
- /*
- * The timeout in milliseconds between when this message
- * is received and when the EC will declare sleep
- * transition failure if the sleep signal is not
- * asserted.
- */
- uint16_t sleep_timeout_ms;
- } suspend_params;
-
- /* No parameters for non-suspend messages. */
- };
-} __ec_align2;
-
-/* A timeout occurred when this bit is set */
-#define EC_HOST_RESUME_SLEEP_TIMEOUT 0x80000000
-
-/*
- * The mask defining which bits correspond to the number of sleep transitions,
- * as well as the maximum number of suspend line transitions that will be
- * reported back to the host.
- */
-#define EC_HOST_RESUME_SLEEP_TRANSITIONS_MASK 0x7FFFFFFF
-
-struct ec_response_host_sleep_event_v1 {
- union {
- /* Response fields that apply for resume messages. */
- struct {
- /*
- * The number of sleep power signal transitions that
- * occurred since the suspend message. The high bit
- * indicates a timeout occurred.
- */
- uint32_t sleep_transitions;
- } resume_response;
-
- /* No response fields for non-resume messages. */
- };
-} __ec_align4;
-
-/*****************************************************************************/
-/* Device events */
-#define EC_CMD_DEVICE_EVENT 0x00AA
-
-enum ec_device_event {
- EC_DEVICE_EVENT_TRACKPAD,
- EC_DEVICE_EVENT_DSP,
- EC_DEVICE_EVENT_WIFI,
-};
-
-enum ec_device_event_param {
- /* Get and clear pending device events */
- EC_DEVICE_EVENT_PARAM_GET_CURRENT_EVENTS,
- /* Get device event mask */
- EC_DEVICE_EVENT_PARAM_GET_ENABLED_EVENTS,
- /* Set device event mask */
- EC_DEVICE_EVENT_PARAM_SET_ENABLED_EVENTS,
-};
-
-#define EC_DEVICE_EVENT_MASK(event_code) BIT(event_code % 32)
-
-struct ec_params_device_event {
- uint32_t event_mask;
- uint8_t param;
-} __ec_align_size1;
-
-struct ec_response_device_event {
- uint32_t event_mask;
-} __ec_align4;
-
-/*****************************************************************************/
-/* Smart battery pass-through */
-
-/* Get / Set 16-bit smart battery registers */
-#define EC_CMD_SB_READ_WORD 0x00B0
-#define EC_CMD_SB_WRITE_WORD 0x00B1
-
-/* Get / Set string smart battery parameters
- * formatted as SMBUS "block".
- */
-#define EC_CMD_SB_READ_BLOCK 0x00B2
-#define EC_CMD_SB_WRITE_BLOCK 0x00B3
-
-struct ec_params_sb_rd {
- uint8_t reg;
-} __ec_align1;
-
-struct ec_response_sb_rd_word {
- uint16_t value;
-} __ec_align2;
-
-struct ec_params_sb_wr_word {
- uint8_t reg;
- uint16_t value;
-} __ec_align1;
-
-struct ec_response_sb_rd_block {
- uint8_t data[32];
-} __ec_align1;
-
-struct ec_params_sb_wr_block {
- uint8_t reg;
- uint16_t data[32];
-} __ec_align1;
-
-/*****************************************************************************/
-/* Battery vendor parameters
- *
- * Get or set vendor-specific parameters in the battery. Implementations may
- * differ between boards or batteries. On a set operation, the response
- * contains the actual value set, which may be rounded or clipped from the
- * requested value.
- */
-
-#define EC_CMD_BATTERY_VENDOR_PARAM 0x00B4
-
-enum ec_battery_vendor_param_mode {
- BATTERY_VENDOR_PARAM_MODE_GET = 0,
- BATTERY_VENDOR_PARAM_MODE_SET,
-};
-
-struct ec_params_battery_vendor_param {
- uint32_t param;
- uint32_t value;
- uint8_t mode;
-} __ec_align_size1;
-
-struct ec_response_battery_vendor_param {
- uint32_t value;
-} __ec_align4;
-
-/*****************************************************************************/
-/*
- * Smart Battery Firmware Update Commands
- */
-#define EC_CMD_SB_FW_UPDATE 0x00B5
-
-enum ec_sb_fw_update_subcmd {
- EC_SB_FW_UPDATE_PREPARE = 0x0,
- EC_SB_FW_UPDATE_INFO = 0x1, /*query sb info */
- EC_SB_FW_UPDATE_BEGIN = 0x2, /*check if protected */
- EC_SB_FW_UPDATE_WRITE = 0x3, /*check if protected */
- EC_SB_FW_UPDATE_END = 0x4,
- EC_SB_FW_UPDATE_STATUS = 0x5,
- EC_SB_FW_UPDATE_PROTECT = 0x6,
- EC_SB_FW_UPDATE_MAX = 0x7,
-};
-
-#define SB_FW_UPDATE_CMD_WRITE_BLOCK_SIZE 32
-#define SB_FW_UPDATE_CMD_STATUS_SIZE 2
-#define SB_FW_UPDATE_CMD_INFO_SIZE 8
-
-struct ec_sb_fw_update_header {
- uint16_t subcmd; /* enum ec_sb_fw_update_subcmd */
- uint16_t fw_id; /* firmware id */
-} __ec_align4;
-
-struct ec_params_sb_fw_update {
- struct ec_sb_fw_update_header hdr;
- union {
- /* EC_SB_FW_UPDATE_PREPARE = 0x0 */
- /* EC_SB_FW_UPDATE_INFO = 0x1 */
- /* EC_SB_FW_UPDATE_BEGIN = 0x2 */
- /* EC_SB_FW_UPDATE_END = 0x4 */
- /* EC_SB_FW_UPDATE_STATUS = 0x5 */
- /* EC_SB_FW_UPDATE_PROTECT = 0x6 */
- /* Those have no args */
-
- /* EC_SB_FW_UPDATE_WRITE = 0x3 */
- struct __ec_align4 {
- uint8_t data[SB_FW_UPDATE_CMD_WRITE_BLOCK_SIZE];
- } write;
- };
-} __ec_align4;
-
-struct ec_response_sb_fw_update {
- union {
- /* EC_SB_FW_UPDATE_INFO = 0x1 */
- struct __ec_align1 {
- uint8_t data[SB_FW_UPDATE_CMD_INFO_SIZE];
- } info;
-
- /* EC_SB_FW_UPDATE_STATUS = 0x5 */
- struct __ec_align1 {
- uint8_t data[SB_FW_UPDATE_CMD_STATUS_SIZE];
- } status;
- };
-} __ec_align1;
-
-/*
- * Entering Verified Boot Mode Command
- * Default mode is VBOOT_MODE_NORMAL if EC did not receive this command.
- * Valid Modes are: normal, developer, and recovery.
- */
-#define EC_CMD_ENTERING_MODE 0x00B6
-
-struct ec_params_entering_mode {
- int vboot_mode;
-} __ec_align4;
-
-#define VBOOT_MODE_NORMAL 0
-#define VBOOT_MODE_DEVELOPER 1
-#define VBOOT_MODE_RECOVERY 2
-
-/*****************************************************************************/
-/*
- * I2C passthru protection command: Protects I2C tunnels against access on
- * certain addresses (board-specific).
- */
-#define EC_CMD_I2C_PASSTHRU_PROTECT 0x00B7
-
-enum ec_i2c_passthru_protect_subcmd {
- EC_CMD_I2C_PASSTHRU_PROTECT_STATUS = 0x0,
- EC_CMD_I2C_PASSTHRU_PROTECT_ENABLE = 0x1,
-};
-
-struct ec_params_i2c_passthru_protect {
- uint8_t subcmd;
- uint8_t port; /* I2C port number */
-} __ec_align1;
-
-struct ec_response_i2c_passthru_protect {
- uint8_t status; /* Status flags (0: unlocked, 1: locked) */
-} __ec_align1;
-
-
-/*****************************************************************************/
-/*
- * HDMI CEC commands
- *
- * These commands are for sending and receiving message via HDMI CEC
- */
-
-#define MAX_CEC_MSG_LEN 16
-
-/* CEC message from the AP to be written on the CEC bus */
-#define EC_CMD_CEC_WRITE_MSG 0x00B8
-
-/**
- * struct ec_params_cec_write - Message to write to the CEC bus
- * @msg: message content to write to the CEC bus
- */
-struct ec_params_cec_write {
- uint8_t msg[MAX_CEC_MSG_LEN];
-} __ec_align1;
-
-/* Set various CEC parameters */
-#define EC_CMD_CEC_SET 0x00BA
-
-/**
- * struct ec_params_cec_set - CEC parameters set
- * @cmd: parameter type, can be CEC_CMD_ENABLE or CEC_CMD_LOGICAL_ADDRESS
- * @val: in case cmd is CEC_CMD_ENABLE, this field can be 0 to disable CEC
- * or 1 to enable CEC functionality, in case cmd is
- * CEC_CMD_LOGICAL_ADDRESS, this field encodes the requested logical
- * address between 0 and 15 or 0xff to unregister
- */
-struct ec_params_cec_set {
- uint8_t cmd; /* enum cec_command */
- uint8_t val;
-} __ec_align1;
-
-/* Read various CEC parameters */
-#define EC_CMD_CEC_GET 0x00BB
-
-/**
- * struct ec_params_cec_get - CEC parameters get
- * @cmd: parameter type, can be CEC_CMD_ENABLE or CEC_CMD_LOGICAL_ADDRESS
- */
-struct ec_params_cec_get {
- uint8_t cmd; /* enum cec_command */
-} __ec_align1;
-
-/**
- * struct ec_response_cec_get - CEC parameters get response
- * @val: in case cmd was CEC_CMD_ENABLE, this field will 0 if CEC is
- * disabled or 1 if CEC functionality is enabled,
- * in case cmd was CEC_CMD_LOGICAL_ADDRESS, this will encode the
- * configured logical address between 0 and 15 or 0xff if unregistered
- */
-struct ec_response_cec_get {
- uint8_t val;
-} __ec_align1;
-
-/* CEC parameters command */
-enum cec_command {
- /* CEC reading, writing and events enable */
- CEC_CMD_ENABLE,
- /* CEC logical address */
- CEC_CMD_LOGICAL_ADDRESS,
-};
-
-/* Events from CEC to AP */
-enum mkbp_cec_event {
- /* Outgoing message was acknowledged by a follower */
- EC_MKBP_CEC_SEND_OK = BIT(0),
- /* Outgoing message was not acknowledged */
- EC_MKBP_CEC_SEND_FAILED = BIT(1),
-};
-
-/*****************************************************************************/
-
-/* Commands for I2S recording on audio codec. */
-
-#define EC_CMD_CODEC_I2S 0x00BC
-#define EC_WOV_I2S_SAMPLE_RATE 48000
-
-enum ec_codec_i2s_subcmd {
- EC_CODEC_SET_SAMPLE_DEPTH = 0x0,
- EC_CODEC_SET_GAIN = 0x1,
- EC_CODEC_GET_GAIN = 0x2,
- EC_CODEC_I2S_ENABLE = 0x3,
- EC_CODEC_I2S_SET_CONFIG = 0x4,
- EC_CODEC_I2S_SET_TDM_CONFIG = 0x5,
- EC_CODEC_I2S_SET_BCLK = 0x6,
- EC_CODEC_I2S_SUBCMD_COUNT = 0x7,
-};
-
-enum ec_sample_depth_value {
- EC_CODEC_SAMPLE_DEPTH_16 = 0,
- EC_CODEC_SAMPLE_DEPTH_24 = 1,
-};
-
-enum ec_i2s_config {
- EC_DAI_FMT_I2S = 0,
- EC_DAI_FMT_RIGHT_J = 1,
- EC_DAI_FMT_LEFT_J = 2,
- EC_DAI_FMT_PCM_A = 3,
- EC_DAI_FMT_PCM_B = 4,
- EC_DAI_FMT_PCM_TDM = 5,
-};
-
-/*
- * For subcommand EC_CODEC_GET_GAIN.
- */
-struct __ec_align1 ec_codec_i2s_gain {
- uint8_t left;
- uint8_t right;
-};
-
-struct __ec_todo_unpacked ec_param_codec_i2s_tdm {
- int16_t ch0_delay; /* 0 to 496 */
- int16_t ch1_delay; /* -1 to 496 */
- uint8_t adjacent_to_ch0;
- uint8_t adjacent_to_ch1;
-};
-
-struct __ec_todo_packed ec_param_codec_i2s {
- /* enum ec_codec_i2s_subcmd */
- uint8_t cmd;
- union {
- /*
- * EC_CODEC_SET_SAMPLE_DEPTH
- * Value should be one of ec_sample_depth_value.
- */
- uint8_t depth;
-
- /*
- * EC_CODEC_SET_GAIN
- * Value should be 0~43 for both channels.
- */
- struct ec_codec_i2s_gain gain;
-
- /*
- * EC_CODEC_I2S_ENABLE
- * 1 to enable, 0 to disable.
- */
- uint8_t i2s_enable;
-
- /*
- * EC_CODEC_I2S_SET_CONFIG
- * Value should be one of ec_i2s_config.
- */
- uint8_t i2s_config;
-
- /*
- * EC_CODEC_I2S_SET_TDM_CONFIG
- * Value should be one of ec_i2s_config.
- */
- struct ec_param_codec_i2s_tdm tdm_param;
-
- /*
- * EC_CODEC_I2S_SET_BCLK
- */
- uint32_t bclk;
- };
-};
-
-
-/*****************************************************************************/
-/* System commands */
-
-/*
- * TODO(crosbug.com/p/23747): This is a confusing name, since it doesn't
- * necessarily reboot the EC. Rename to "image" or something similar?
- */
-#define EC_CMD_REBOOT_EC 0x00D2
-
-/* Command */
-enum ec_reboot_cmd {
- EC_REBOOT_CANCEL = 0, /* Cancel a pending reboot */
- EC_REBOOT_JUMP_RO = 1, /* Jump to RO without rebooting */
- EC_REBOOT_JUMP_RW = 2, /* Jump to active RW without rebooting */
- /* (command 3 was jump to RW-B) */
- EC_REBOOT_COLD = 4, /* Cold-reboot */
- EC_REBOOT_DISABLE_JUMP = 5, /* Disable jump until next reboot */
- EC_REBOOT_HIBERNATE = 6, /* Hibernate EC */
- EC_REBOOT_HIBERNATE_CLEAR_AP_OFF = 7, /* and clears AP_OFF flag */
-};
-
-/* Flags for ec_params_reboot_ec.reboot_flags */
-#define EC_REBOOT_FLAG_RESERVED0 BIT(0) /* Was recovery request */
-#define EC_REBOOT_FLAG_ON_AP_SHUTDOWN BIT(1) /* Reboot after AP shutdown */
-#define EC_REBOOT_FLAG_SWITCH_RW_SLOT BIT(2) /* Switch RW slot */
-
-struct ec_params_reboot_ec {
- uint8_t cmd; /* enum ec_reboot_cmd */
- uint8_t flags; /* See EC_REBOOT_FLAG_* */
-} __ec_align1;
-
-/*
- * Get information on last EC panic.
- *
- * Returns variable-length platform-dependent panic information. See panic.h
- * for details.
- */
-#define EC_CMD_GET_PANIC_INFO 0x00D3
-
-/*****************************************************************************/
-/*
- * Special commands
- *
- * These do not follow the normal rules for commands. See each command for
- * details.
- */
-
-/*
- * Reboot NOW
- *
- * This command will work even when the EC LPC interface is busy, because the
- * reboot command is processed at interrupt level. Note that when the EC
- * reboots, the host will reboot too, so there is no response to this command.
- *
- * Use EC_CMD_REBOOT_EC to reboot the EC more politely.
- */
-#define EC_CMD_REBOOT 0x00D1 /* Think "die" */
-
-/*
- * Resend last response (not supported on LPC).
- *
- * Returns EC_RES_UNAVAILABLE if there is no response available - for example,
- * there was no previous command, or the previous command's response was too
- * big to save.
- */
-#define EC_CMD_RESEND_RESPONSE 0x00DB
-
-/*
- * This header byte on a command indicate version 0. Any header byte less
- * than this means that we are talking to an old EC which doesn't support
- * versioning. In that case, we assume version 0.
- *
- * Header bytes greater than this indicate a later version. For example,
- * EC_CMD_VERSION0 + 1 means we are using version 1.
- *
- * The old EC interface must not use commands 0xdc or higher.
- */
-#define EC_CMD_VERSION0 0x00DC
-
-/*****************************************************************************/
-/*
- * PD commands
- *
- * These commands are for PD MCU communication.
- */
-
-/* EC to PD MCU exchange status command */
-#define EC_CMD_PD_EXCHANGE_STATUS 0x0100
-#define EC_VER_PD_EXCHANGE_STATUS 2
-
-enum pd_charge_state {
- PD_CHARGE_NO_CHANGE = 0, /* Don't change charge state */
- PD_CHARGE_NONE, /* No charging allowed */
- PD_CHARGE_5V, /* 5V charging only */
- PD_CHARGE_MAX /* Charge at max voltage */
-};
-
-/* Status of EC being sent to PD */
-#define EC_STATUS_HIBERNATING BIT(0)
-
-struct ec_params_pd_status {
- uint8_t status; /* EC status */
- int8_t batt_soc; /* battery state of charge */
- uint8_t charge_state; /* charging state (from enum pd_charge_state) */
-} __ec_align1;
-
-/* Status of PD being sent back to EC */
-#define PD_STATUS_HOST_EVENT BIT(0) /* Forward host event to AP */
-#define PD_STATUS_IN_RW BIT(1) /* Running RW image */
-#define PD_STATUS_JUMPED_TO_IMAGE BIT(2) /* Current image was jumped to */
-#define PD_STATUS_TCPC_ALERT_0 BIT(3) /* Alert active in port 0 TCPC */
-#define PD_STATUS_TCPC_ALERT_1 BIT(4) /* Alert active in port 1 TCPC */
-#define PD_STATUS_TCPC_ALERT_2 BIT(5) /* Alert active in port 2 TCPC */
-#define PD_STATUS_TCPC_ALERT_3 BIT(6) /* Alert active in port 3 TCPC */
-#define PD_STATUS_EC_INT_ACTIVE (PD_STATUS_TCPC_ALERT_0 | \
- PD_STATUS_TCPC_ALERT_1 | \
- PD_STATUS_HOST_EVENT)
-struct ec_response_pd_status {
- uint32_t curr_lim_ma; /* input current limit */
- uint16_t status; /* PD MCU status */
- int8_t active_charge_port; /* active charging port */
-} __ec_align_size1;
-
-/* AP to PD MCU host event status command, cleared on read */
-#define EC_CMD_PD_HOST_EVENT_STATUS 0x0104
-
-/* PD MCU host event status bits */
-#define PD_EVENT_UPDATE_DEVICE BIT(0)
-#define PD_EVENT_POWER_CHANGE BIT(1)
-#define PD_EVENT_IDENTITY_RECEIVED BIT(2)
-#define PD_EVENT_DATA_SWAP BIT(3)
-struct ec_response_host_event_status {
- uint32_t status; /* PD MCU host event status */
-} __ec_align4;
-
-/* Set USB type-C port role and muxes */
-#define EC_CMD_USB_PD_CONTROL 0x0101
-
-enum usb_pd_control_role {
- USB_PD_CTRL_ROLE_NO_CHANGE = 0,
- USB_PD_CTRL_ROLE_TOGGLE_ON = 1, /* == AUTO */
- USB_PD_CTRL_ROLE_TOGGLE_OFF = 2,
- USB_PD_CTRL_ROLE_FORCE_SINK = 3,
- USB_PD_CTRL_ROLE_FORCE_SOURCE = 4,
- USB_PD_CTRL_ROLE_FREEZE = 5,
- USB_PD_CTRL_ROLE_COUNT
-};
-
-enum usb_pd_control_mux {
- USB_PD_CTRL_MUX_NO_CHANGE = 0,
- USB_PD_CTRL_MUX_NONE = 1,
- USB_PD_CTRL_MUX_USB = 2,
- USB_PD_CTRL_MUX_DP = 3,
- USB_PD_CTRL_MUX_DOCK = 4,
- USB_PD_CTRL_MUX_AUTO = 5,
- USB_PD_CTRL_MUX_COUNT
-};
-
-enum usb_pd_control_swap {
- USB_PD_CTRL_SWAP_NONE = 0,
- USB_PD_CTRL_SWAP_DATA = 1,
- USB_PD_CTRL_SWAP_POWER = 2,
- USB_PD_CTRL_SWAP_VCONN = 3,
- USB_PD_CTRL_SWAP_COUNT
-};
-
-struct ec_params_usb_pd_control {
- uint8_t port;
- uint8_t role;
- uint8_t mux;
- uint8_t swap;
-} __ec_align1;
-
-#define PD_CTRL_RESP_ENABLED_COMMS BIT(0) /* Communication enabled */
-#define PD_CTRL_RESP_ENABLED_CONNECTED BIT(1) /* Device connected */
-#define PD_CTRL_RESP_ENABLED_PD_CAPABLE BIT(2) /* Partner is PD capable */
-
-#define PD_CTRL_RESP_ROLE_POWER BIT(0) /* 0=SNK/1=SRC */
-#define PD_CTRL_RESP_ROLE_DATA BIT(1) /* 0=UFP/1=DFP */
-#define PD_CTRL_RESP_ROLE_VCONN BIT(2) /* Vconn status */
-#define PD_CTRL_RESP_ROLE_DR_POWER BIT(3) /* Partner is dualrole power */
-#define PD_CTRL_RESP_ROLE_DR_DATA BIT(4) /* Partner is dualrole data */
-#define PD_CTRL_RESP_ROLE_USB_COMM BIT(5) /* Partner USB comm capable */
-#define PD_CTRL_RESP_ROLE_EXT_POWERED BIT(6) /* Partner externally powerd */
-
-struct ec_response_usb_pd_control {
- uint8_t enabled;
- uint8_t role;
- uint8_t polarity;
- uint8_t state;
-} __ec_align1;
-
-struct ec_response_usb_pd_control_v1 {
- uint8_t enabled;
- uint8_t role;
- uint8_t polarity;
- char state[32];
-} __ec_align1;
-
-/* Values representing usbc PD CC state */
-#define USBC_PD_CC_NONE 0 /* No accessory connected */
-#define USBC_PD_CC_NO_UFP 1 /* No UFP accessory connected */
-#define USBC_PD_CC_AUDIO_ACC 2 /* Audio accessory connected */
-#define USBC_PD_CC_DEBUG_ACC 3 /* Debug accessory connected */
-#define USBC_PD_CC_UFP_ATTACHED 4 /* UFP attached to usbc */
-#define USBC_PD_CC_DFP_ATTACHED 5 /* DPF attached to usbc */
-
-struct ec_response_usb_pd_control_v2 {
- uint8_t enabled;
- uint8_t role;
- uint8_t polarity;
- char state[32];
- uint8_t cc_state; /* USBC_PD_CC_*Encoded cc state */
- uint8_t dp_mode; /* Current DP pin mode (MODE_DP_PIN_[A-E]) */
- /* CL:1500994 Current cable type */
- uint8_t reserved_cable_type;
-} __ec_align1;
-
-#define EC_CMD_USB_PD_PORTS 0x0102
-
-/* Maximum number of PD ports on a device, num_ports will be <= this */
-#define EC_USB_PD_MAX_PORTS 8
-
-struct ec_response_usb_pd_ports {
- uint8_t num_ports;
-} __ec_align1;
-
-#define EC_CMD_USB_PD_POWER_INFO 0x0103
-
-#define PD_POWER_CHARGING_PORT 0xff
-struct ec_params_usb_pd_power_info {
- uint8_t port;
-} __ec_align1;
-
-enum usb_chg_type {
- USB_CHG_TYPE_NONE,
- USB_CHG_TYPE_PD,
- USB_CHG_TYPE_C,
- USB_CHG_TYPE_PROPRIETARY,
- USB_CHG_TYPE_BC12_DCP,
- USB_CHG_TYPE_BC12_CDP,
- USB_CHG_TYPE_BC12_SDP,
- USB_CHG_TYPE_OTHER,
- USB_CHG_TYPE_VBUS,
- USB_CHG_TYPE_UNKNOWN,
- USB_CHG_TYPE_DEDICATED,
-};
-enum usb_power_roles {
- USB_PD_PORT_POWER_DISCONNECTED,
- USB_PD_PORT_POWER_SOURCE,
- USB_PD_PORT_POWER_SINK,
- USB_PD_PORT_POWER_SINK_NOT_CHARGING,
-};
-
-struct usb_chg_measures {
- uint16_t voltage_max;
- uint16_t voltage_now;
- uint16_t current_max;
- uint16_t current_lim;
-} __ec_align2;
-
-struct ec_response_usb_pd_power_info {
- uint8_t role;
- uint8_t type;
- uint8_t dualrole;
- uint8_t reserved1;
- struct usb_chg_measures meas;
- uint32_t max_power;
-} __ec_align4;
-
-
-/*
- * This command will return the number of USB PD charge port + the number
- * of dedicated port present.
- * EC_CMD_USB_PD_PORTS does NOT include the dedicated ports
- */
-#define EC_CMD_CHARGE_PORT_COUNT 0x0105
-struct ec_response_charge_port_count {
- uint8_t port_count;
-} __ec_align1;
-
-/* Write USB-PD device FW */
-#define EC_CMD_USB_PD_FW_UPDATE 0x0110
-
-enum usb_pd_fw_update_cmds {
- USB_PD_FW_REBOOT,
- USB_PD_FW_FLASH_ERASE,
- USB_PD_FW_FLASH_WRITE,
- USB_PD_FW_ERASE_SIG,
-};
-
-struct ec_params_usb_pd_fw_update {
- uint16_t dev_id;
- uint8_t cmd;
- uint8_t port;
- uint32_t size; /* Size to write in bytes */
- /* Followed by data to write */
-} __ec_align4;
-
-/* Write USB-PD Accessory RW_HASH table entry */
-#define EC_CMD_USB_PD_RW_HASH_ENTRY 0x0111
-/* RW hash is first 20 bytes of SHA-256 of RW section */
-#define PD_RW_HASH_SIZE 20
-struct ec_params_usb_pd_rw_hash_entry {
- uint16_t dev_id;
- uint8_t dev_rw_hash[PD_RW_HASH_SIZE];
- uint8_t reserved; /*
- * For alignment of current_image
- * TODO(rspangler) but it's not aligned!
- * Should have been reserved[2].
- */
- uint32_t current_image; /* One of ec_current_image */
-} __ec_align1;
-
-/* Read USB-PD Accessory info */
-#define EC_CMD_USB_PD_DEV_INFO 0x0112
-
-struct ec_params_usb_pd_info_request {
- uint8_t port;
-} __ec_align1;
-
-/* Read USB-PD Device discovery info */
-#define EC_CMD_USB_PD_DISCOVERY 0x0113
-struct ec_params_usb_pd_discovery_entry {
- uint16_t vid; /* USB-IF VID */
- uint16_t pid; /* USB-IF PID */
- uint8_t ptype; /* product type (hub,periph,cable,ama) */
-} __ec_align_size1;
-
-/* Override default charge behavior */
-#define EC_CMD_PD_CHARGE_PORT_OVERRIDE 0x0114
-
-/* Negative port parameters have special meaning */
-enum usb_pd_override_ports {
- OVERRIDE_DONT_CHARGE = -2,
- OVERRIDE_OFF = -1,
- /* [0, CONFIG_USB_PD_PORT_COUNT): Port# */
-};
-
-struct ec_params_charge_port_override {
- int16_t override_port; /* Override port# */
-} __ec_align2;
-
-/*
- * Read (and delete) one entry of PD event log.
- * TODO(crbug.com/751742): Make this host command more generic to accommodate
- * future non-PD logs that use the same internal EC event_log.
- */
-#define EC_CMD_PD_GET_LOG_ENTRY 0x0115
-
-struct ec_response_pd_log {
- uint32_t timestamp; /* relative timestamp in milliseconds */
- uint8_t type; /* event type : see PD_EVENT_xx below */
- uint8_t size_port; /* [7:5] port number [4:0] payload size in bytes */
- uint16_t data; /* type-defined data payload */
- uint8_t payload[0]; /* optional additional data payload: 0..16 bytes */
-} __ec_align4;
-
-/* The timestamp is the microsecond counter shifted to get about a ms. */
-#define PD_LOG_TIMESTAMP_SHIFT 10 /* 1 LSB = 1024us */
-
-#define PD_LOG_SIZE_MASK 0x1f
-#define PD_LOG_PORT_MASK 0xe0
-#define PD_LOG_PORT_SHIFT 5
-#define PD_LOG_PORT_SIZE(port, size) (((port) << PD_LOG_PORT_SHIFT) | \
- ((size) & PD_LOG_SIZE_MASK))
-#define PD_LOG_PORT(size_port) ((size_port) >> PD_LOG_PORT_SHIFT)
-#define PD_LOG_SIZE(size_port) ((size_port) & PD_LOG_SIZE_MASK)
-
-/* PD event log : entry types */
-/* PD MCU events */
-#define PD_EVENT_MCU_BASE 0x00
-#define PD_EVENT_MCU_CHARGE (PD_EVENT_MCU_BASE+0)
-#define PD_EVENT_MCU_CONNECT (PD_EVENT_MCU_BASE+1)
-/* Reserved for custom board event */
-#define PD_EVENT_MCU_BOARD_CUSTOM (PD_EVENT_MCU_BASE+2)
-/* PD generic accessory events */
-#define PD_EVENT_ACC_BASE 0x20
-#define PD_EVENT_ACC_RW_FAIL (PD_EVENT_ACC_BASE+0)
-#define PD_EVENT_ACC_RW_ERASE (PD_EVENT_ACC_BASE+1)
-/* PD power supply events */
-#define PD_EVENT_PS_BASE 0x40
-#define PD_EVENT_PS_FAULT (PD_EVENT_PS_BASE+0)
-/* PD video dongles events */
-#define PD_EVENT_VIDEO_BASE 0x60
-#define PD_EVENT_VIDEO_DP_MODE (PD_EVENT_VIDEO_BASE+0)
-#define PD_EVENT_VIDEO_CODEC (PD_EVENT_VIDEO_BASE+1)
-/* Returned in the "type" field, when there is no entry available */
-#define PD_EVENT_NO_ENTRY 0xff
-
-/*
- * PD_EVENT_MCU_CHARGE event definition :
- * the payload is "struct usb_chg_measures"
- * the data field contains the port state flags as defined below :
- */
-/* Port partner is a dual role device */
-#define CHARGE_FLAGS_DUAL_ROLE BIT(15)
-/* Port is the pending override port */
-#define CHARGE_FLAGS_DELAYED_OVERRIDE BIT(14)
-/* Port is the override port */
-#define CHARGE_FLAGS_OVERRIDE BIT(13)
-/* Charger type */
-#define CHARGE_FLAGS_TYPE_SHIFT 3
-#define CHARGE_FLAGS_TYPE_MASK (0xf << CHARGE_FLAGS_TYPE_SHIFT)
-/* Power delivery role */
-#define CHARGE_FLAGS_ROLE_MASK (7 << 0)
-
-/*
- * PD_EVENT_PS_FAULT data field flags definition :
- */
-#define PS_FAULT_OCP 1
-#define PS_FAULT_FAST_OCP 2
-#define PS_FAULT_OVP 3
-#define PS_FAULT_DISCH 4
-
-/*
- * PD_EVENT_VIDEO_CODEC payload is "struct mcdp_info".
- */
-struct mcdp_version {
- uint8_t major;
- uint8_t minor;
- uint16_t build;
-} __ec_align4;
-
-struct mcdp_info {
- uint8_t family[2];
- uint8_t chipid[2];
- struct mcdp_version irom;
- struct mcdp_version fw;
-} __ec_align4;
-
-/* struct mcdp_info field decoding */
-#define MCDP_CHIPID(chipid) ((chipid[0] << 8) | chipid[1])
-#define MCDP_FAMILY(family) ((family[0] << 8) | family[1])
-
-/* Get/Set USB-PD Alternate mode info */
-#define EC_CMD_USB_PD_GET_AMODE 0x0116
-struct ec_params_usb_pd_get_mode_request {
- uint16_t svid_idx; /* SVID index to get */
- uint8_t port; /* port */
-} __ec_align_size1;
-
-struct ec_params_usb_pd_get_mode_response {
- uint16_t svid; /* SVID */
- uint16_t opos; /* Object Position */
- uint32_t vdo[6]; /* Mode VDOs */
-} __ec_align4;
-
-#define EC_CMD_USB_PD_SET_AMODE 0x0117
-
-enum pd_mode_cmd {
- PD_EXIT_MODE = 0,
- PD_ENTER_MODE = 1,
- /* Not a command. Do NOT remove. */
- PD_MODE_CMD_COUNT,
-};
-
-struct ec_params_usb_pd_set_mode_request {
- uint32_t cmd; /* enum pd_mode_cmd */
- uint16_t svid; /* SVID to set */
- uint8_t opos; /* Object Position */
- uint8_t port; /* port */
-} __ec_align4;
-
-/* Ask the PD MCU to record a log of a requested type */
-#define EC_CMD_PD_WRITE_LOG_ENTRY 0x0118
-
-struct ec_params_pd_write_log_entry {
- uint8_t type; /* event type : see PD_EVENT_xx above */
- uint8_t port; /* port#, or 0 for events unrelated to a given port */
-} __ec_align1;
-
-
-/* Control USB-PD chip */
-#define EC_CMD_PD_CONTROL 0x0119
-
-enum ec_pd_control_cmd {
- PD_SUSPEND = 0, /* Suspend the PD chip (EC: stop talking to PD) */
- PD_RESUME, /* Resume the PD chip (EC: start talking to PD) */
- PD_RESET, /* Force reset the PD chip */
- PD_CONTROL_DISABLE, /* Disable further calls to this command */
- PD_CHIP_ON, /* Power on the PD chip */
-};
-
-struct ec_params_pd_control {
- uint8_t chip; /* chip id */
- uint8_t subcmd;
-} __ec_align1;
-
-/* Get info about USB-C SS muxes */
-#define EC_CMD_USB_PD_MUX_INFO 0x011A
-
-struct ec_params_usb_pd_mux_info {
- uint8_t port; /* USB-C port number */
-} __ec_align1;
-
-/* Flags representing mux state */
-#define USB_PD_MUX_USB_ENABLED BIT(0) /* USB connected */
-#define USB_PD_MUX_DP_ENABLED BIT(1) /* DP connected */
-#define USB_PD_MUX_POLARITY_INVERTED BIT(2) /* CC line Polarity inverted */
-#define USB_PD_MUX_HPD_IRQ BIT(3) /* HPD IRQ is asserted */
-#define USB_PD_MUX_HPD_LVL BIT(4) /* HPD level is asserted */
-
-struct ec_response_usb_pd_mux_info {
- uint8_t flags; /* USB_PD_MUX_*-encoded USB mux state */
-} __ec_align1;
-
-#define EC_CMD_PD_CHIP_INFO 0x011B
-
-struct ec_params_pd_chip_info {
- uint8_t port; /* USB-C port number */
- uint8_t renew; /* Force renewal */
-} __ec_align1;
-
-struct ec_response_pd_chip_info {
- uint16_t vendor_id;
- uint16_t product_id;
- uint16_t device_id;
- union {
- uint8_t fw_version_string[8];
- uint64_t fw_version_number;
- };
-} __ec_align2;
-
-struct ec_response_pd_chip_info_v1 {
- uint16_t vendor_id;
- uint16_t product_id;
- uint16_t device_id;
- union {
- uint8_t fw_version_string[8];
- uint64_t fw_version_number;
- };
- union {
- uint8_t min_req_fw_version_string[8];
- uint64_t min_req_fw_version_number;
- };
-} __ec_align2;
-
-/* Run RW signature verification and get status */
-#define EC_CMD_RWSIG_CHECK_STATUS 0x011C
-
-struct ec_response_rwsig_check_status {
- uint32_t status;
-} __ec_align4;
-
-/* For controlling RWSIG task */
-#define EC_CMD_RWSIG_ACTION 0x011D
-
-enum rwsig_action {
- RWSIG_ACTION_ABORT = 0, /* Abort RWSIG and prevent jumping */
- RWSIG_ACTION_CONTINUE = 1, /* Jump to RW immediately */
-};
-
-struct ec_params_rwsig_action {
- uint32_t action;
-} __ec_align4;
-
-/* Run verification on a slot */
-#define EC_CMD_EFS_VERIFY 0x011E
-
-struct ec_params_efs_verify {
- uint8_t region; /* enum ec_flash_region */
-} __ec_align1;
-
-/*
- * Retrieve info from Cros Board Info store. Response is based on the data
- * type. Integers return a uint32. Strings return a string, using the response
- * size to determine how big it is.
- */
-#define EC_CMD_GET_CROS_BOARD_INFO 0x011F
-/*
- * Write info into Cros Board Info on EEPROM. Write fails if the board has
- * hardware write-protect enabled.
- */
-#define EC_CMD_SET_CROS_BOARD_INFO 0x0120
-
-enum cbi_data_tag {
- CBI_TAG_BOARD_VERSION = 0, /* uint32_t or smaller */
- CBI_TAG_OEM_ID = 1, /* uint32_t or smaller */
- CBI_TAG_SKU_ID = 2, /* uint32_t or smaller */
- CBI_TAG_DRAM_PART_NUM = 3, /* variable length ascii, nul terminated. */
- CBI_TAG_OEM_NAME = 4, /* variable length ascii, nul terminated. */
- CBI_TAG_MODEL_ID = 5, /* uint32_t or smaller */
- CBI_TAG_COUNT,
-};
-
-/*
- * Flags to control read operation
- *
- * RELOAD: Invalidate cache and read data from EEPROM. Useful to verify
- * write was successful without reboot.
- */
-#define CBI_GET_RELOAD BIT(0)
-
-struct ec_params_get_cbi {
- uint32_t tag; /* enum cbi_data_tag */
- uint32_t flag; /* CBI_GET_* */
-} __ec_align4;
-
-/*
- * Flags to control write behavior.
- *
- * NO_SYNC: Makes EC update data in RAM but skip writing to EEPROM. It's
- * useful when writing multiple fields in a row.
- * INIT: Need to be set when creating a new CBI from scratch. All fields
- * will be initialized to zero first.
- */
-#define CBI_SET_NO_SYNC BIT(0)
-#define CBI_SET_INIT BIT(1)
-
-struct ec_params_set_cbi {
- uint32_t tag; /* enum cbi_data_tag */
- uint32_t flag; /* CBI_SET_* */
- uint32_t size; /* Data size */
- uint8_t data[]; /* For string and raw data */
-} __ec_align1;
-
-/*
- * Information about resets of the AP by the EC and the EC's own uptime.
- */
-#define EC_CMD_GET_UPTIME_INFO 0x0121
-
-struct ec_response_uptime_info {
- /*
- * Number of milliseconds since the last EC boot. Sysjump resets
- * typically do not restart the EC's time_since_boot epoch.
- *
- * WARNING: The EC's sense of time is much less accurate than the AP's
- * sense of time, in both phase and frequency. This timebase is similar
- * to CLOCK_MONOTONIC_RAW, but with 1% or more frequency error.
- */
- uint32_t time_since_ec_boot_ms;
-
- /*
- * Number of times the AP was reset by the EC since the last EC boot.
- * Note that the AP may be held in reset by the EC during the initial
- * boot sequence, such that the very first AP boot may count as more
- * than one here.
- */
- uint32_t ap_resets_since_ec_boot;
-
- /*
- * The set of flags which describe the EC's most recent reset. See
- * include/system.h RESET_FLAG_* for details.
- */
- uint32_t ec_reset_flags;
-
- /* Empty log entries have both the cause and timestamp set to zero. */
- struct ap_reset_log_entry {
- /*
- * See include/chipset.h: enum chipset_{reset,shutdown}_reason
- * for details.
- */
- uint16_t reset_cause;
-
- /* Reserved for protocol growth. */
- uint16_t reserved;
-
- /*
- * The time of the reset's assertion, in milliseconds since the
- * last EC boot, in the same epoch as time_since_ec_boot_ms.
- * Set to zero if the log entry is empty.
- */
- uint32_t reset_time_ms;
- } recent_ap_reset[4];
-} __ec_align4;
-
-/*
- * Add entropy to the device secret (stored in the rollback region).
- *
- * Depending on the chip, the operation may take a long time (e.g. to erase
- * flash), so the commands are asynchronous.
- */
-#define EC_CMD_ADD_ENTROPY 0x0122
-
-enum add_entropy_action {
- /* Add entropy to the current secret. */
- ADD_ENTROPY_ASYNC = 0,
- /*
- * Add entropy, and also make sure that the previous secret is erased.
- * (this can be implemented by adding entropy multiple times until
- * all rolback blocks have been overwritten).
- */
- ADD_ENTROPY_RESET_ASYNC = 1,
- /* Read back result from the previous operation. */
- ADD_ENTROPY_GET_RESULT = 2,
-};
-
-struct ec_params_rollback_add_entropy {
- uint8_t action;
-} __ec_align1;
-
-/*
- * Perform a single read of a given ADC channel.
- */
-#define EC_CMD_ADC_READ 0x0123
-
-struct ec_params_adc_read {
- uint8_t adc_channel;
-} __ec_align1;
-
-struct ec_response_adc_read {
- int32_t adc_value;
-} __ec_align4;
-
-/*
- * Read back rollback info
- */
-#define EC_CMD_ROLLBACK_INFO 0x0124
-
-struct ec_response_rollback_info {
- int32_t id; /* Incrementing number to indicate which region to use. */
- int32_t rollback_min_version;
- int32_t rw_rollback_version;
-} __ec_align4;
-
-
-/* Issue AP reset */
-#define EC_CMD_AP_RESET 0x0125
-
-/*****************************************************************************/
-/* The command range 0x200-0x2FF is reserved for Rotor. */
-
-/*****************************************************************************/
-/*
- * Reserve a range of host commands for the CR51 firmware.
- */
-#define EC_CMD_CR51_BASE 0x0300
-#define EC_CMD_CR51_LAST 0x03FF
-
-/*****************************************************************************/
-/* Fingerprint MCU commands: range 0x0400-0x040x */
-
-/* Fingerprint SPI sensor passthru command: prototyping ONLY */
-#define EC_CMD_FP_PASSTHRU 0x0400
-
-#define EC_FP_FLAG_NOT_COMPLETE 0x1
-
-struct ec_params_fp_passthru {
- uint16_t len; /* Number of bytes to write then read */
- uint16_t flags; /* EC_FP_FLAG_xxx */
- uint8_t data[]; /* Data to send */
-} __ec_align2;
-
-/* Configure the Fingerprint MCU behavior */
-#define EC_CMD_FP_MODE 0x0402
-
-/* Put the sensor in its lowest power mode */
-#define FP_MODE_DEEPSLEEP BIT(0)
-/* Wait to see a finger on the sensor */
-#define FP_MODE_FINGER_DOWN BIT(1)
-/* Poll until the finger has left the sensor */
-#define FP_MODE_FINGER_UP BIT(2)
-/* Capture the current finger image */
-#define FP_MODE_CAPTURE BIT(3)
-/* Finger enrollment session on-going */
-#define FP_MODE_ENROLL_SESSION BIT(4)
-/* Enroll the current finger image */
-#define FP_MODE_ENROLL_IMAGE BIT(5)
-/* Try to match the current finger image */
-#define FP_MODE_MATCH BIT(6)
-/* Reset and re-initialize the sensor. */
-#define FP_MODE_RESET_SENSOR BIT(7)
-/* special value: don't change anything just read back current mode */
-#define FP_MODE_DONT_CHANGE BIT(31)
-
-#define FP_VALID_MODES (FP_MODE_DEEPSLEEP | \
- FP_MODE_FINGER_DOWN | \
- FP_MODE_FINGER_UP | \
- FP_MODE_CAPTURE | \
- FP_MODE_ENROLL_SESSION | \
- FP_MODE_ENROLL_IMAGE | \
- FP_MODE_MATCH | \
- FP_MODE_RESET_SENSOR | \
- FP_MODE_DONT_CHANGE)
-
-/* Capture types defined in bits [30..28] */
-#define FP_MODE_CAPTURE_TYPE_SHIFT 28
-#define FP_MODE_CAPTURE_TYPE_MASK (0x7 << FP_MODE_CAPTURE_TYPE_SHIFT)
-/*
- * This enum must remain ordered, if you add new values you must ensure that
- * FP_CAPTURE_TYPE_MAX is still the last one.
- */
-enum fp_capture_type {
- /* Full blown vendor-defined capture (produces 'frame_size' bytes) */
- FP_CAPTURE_VENDOR_FORMAT = 0,
- /* Simple raw image capture (produces width x height x bpp bits) */
- FP_CAPTURE_SIMPLE_IMAGE = 1,
- /* Self test pattern (e.g. checkerboard) */
- FP_CAPTURE_PATTERN0 = 2,
- /* Self test pattern (e.g. inverted checkerboard) */
- FP_CAPTURE_PATTERN1 = 3,
- /* Capture for Quality test with fixed contrast */
- FP_CAPTURE_QUALITY_TEST = 4,
- /* Capture for pixel reset value test */
- FP_CAPTURE_RESET_TEST = 5,
- FP_CAPTURE_TYPE_MAX,
-};
-/* Extracts the capture type from the sensor 'mode' word */
-#define FP_CAPTURE_TYPE(mode) (((mode) & FP_MODE_CAPTURE_TYPE_MASK) \
- >> FP_MODE_CAPTURE_TYPE_SHIFT)
-
-struct ec_params_fp_mode {
- uint32_t mode; /* as defined by FP_MODE_ constants */
-} __ec_align4;
-
-struct ec_response_fp_mode {
- uint32_t mode; /* as defined by FP_MODE_ constants */
-} __ec_align4;
-
-/* Retrieve Fingerprint sensor information */
-#define EC_CMD_FP_INFO 0x0403
-
-/* Number of dead pixels detected on the last maintenance */
-#define FP_ERROR_DEAD_PIXELS(errors) ((errors) & 0x3FF)
-/* Unknown number of dead pixels detected on the last maintenance */
-#define FP_ERROR_DEAD_PIXELS_UNKNOWN (0x3FF)
-/* No interrupt from the sensor */
-#define FP_ERROR_NO_IRQ BIT(12)
-/* SPI communication error */
-#define FP_ERROR_SPI_COMM BIT(13)
-/* Invalid sensor Hardware ID */
-#define FP_ERROR_BAD_HWID BIT(14)
-/* Sensor initialization failed */
-#define FP_ERROR_INIT_FAIL BIT(15)
-
-struct ec_response_fp_info_v0 {
- /* Sensor identification */
- uint32_t vendor_id;
- uint32_t product_id;
- uint32_t model_id;
- uint32_t version;
- /* Image frame characteristics */
- uint32_t frame_size;
- uint32_t pixel_format; /* using V4L2_PIX_FMT_ */
- uint16_t width;
- uint16_t height;
- uint16_t bpp;
- uint16_t errors; /* see FP_ERROR_ flags above */
-} __ec_align4;
-
-struct ec_response_fp_info {
- /* Sensor identification */
- uint32_t vendor_id;
- uint32_t product_id;
- uint32_t model_id;
- uint32_t version;
- /* Image frame characteristics */
- uint32_t frame_size;
- uint32_t pixel_format; /* using V4L2_PIX_FMT_ */
- uint16_t width;
- uint16_t height;
- uint16_t bpp;
- uint16_t errors; /* see FP_ERROR_ flags above */
- /* Template/finger current information */
- uint32_t template_size; /* max template size in bytes */
- uint16_t template_max; /* maximum number of fingers/templates */
- uint16_t template_valid; /* number of valid fingers/templates */
- uint32_t template_dirty; /* bitmap of templates with MCU side changes */
- uint32_t template_version; /* version of the template format */
-} __ec_align4;
-
-/* Get the last captured finger frame or a template content */
-#define EC_CMD_FP_FRAME 0x0404
-
-/* constants defining the 'offset' field which also contains the frame index */
-#define FP_FRAME_INDEX_SHIFT 28
-/* Frame buffer where the captured image is stored */
-#define FP_FRAME_INDEX_RAW_IMAGE 0
-/* First frame buffer holding a template */
-#define FP_FRAME_INDEX_TEMPLATE 1
-#define FP_FRAME_GET_BUFFER_INDEX(offset) ((offset) >> FP_FRAME_INDEX_SHIFT)
-#define FP_FRAME_OFFSET_MASK 0x0FFFFFFF
-
-/* Version of the format of the encrypted templates. */
-#define FP_TEMPLATE_FORMAT_VERSION 3
-
-/* Constants for encryption parameters */
-#define FP_CONTEXT_NONCE_BYTES 12
-#define FP_CONTEXT_USERID_WORDS (32 / sizeof(uint32_t))
-#define FP_CONTEXT_TAG_BYTES 16
-#define FP_CONTEXT_SALT_BYTES 16
-#define FP_CONTEXT_TPM_BYTES 32
-
-struct ec_fp_template_encryption_metadata {
- /*
- * Version of the structure format (N=3).
- */
- uint16_t struct_version;
- /* Reserved bytes, set to 0. */
- uint16_t reserved;
- /*
- * The salt is *only* ever used for key derivation. The nonce is unique,
- * a different one is used for every message.
- */
- uint8_t nonce[FP_CONTEXT_NONCE_BYTES];
- uint8_t salt[FP_CONTEXT_SALT_BYTES];
- uint8_t tag[FP_CONTEXT_TAG_BYTES];
-};
-
-struct ec_params_fp_frame {
- /*
- * The offset contains the template index or FP_FRAME_INDEX_RAW_IMAGE
- * in the high nibble, and the real offset within the frame in
- * FP_FRAME_OFFSET_MASK.
- */
- uint32_t offset;
- uint32_t size;
-} __ec_align4;
-
-/* Load a template into the MCU */
-#define EC_CMD_FP_TEMPLATE 0x0405
-
-/* Flag in the 'size' field indicating that the full template has been sent */
-#define FP_TEMPLATE_COMMIT 0x80000000
-
-struct ec_params_fp_template {
- uint32_t offset;
- uint32_t size;
- uint8_t data[];
-} __ec_align4;
-
-/* Clear the current fingerprint user context and set a new one */
-#define EC_CMD_FP_CONTEXT 0x0406
-
-struct ec_params_fp_context {
- uint32_t userid[FP_CONTEXT_USERID_WORDS];
-} __ec_align4;
-
-#define EC_CMD_FP_STATS 0x0407
-
-#define FPSTATS_CAPTURE_INV BIT(0)
-#define FPSTATS_MATCHING_INV BIT(1)
-
-struct ec_response_fp_stats {
- uint32_t capture_time_us;
- uint32_t matching_time_us;
- uint32_t overall_time_us;
- struct {
- uint32_t lo;
- uint32_t hi;
- } overall_t0;
- uint8_t timestamps_invalid;
- int8_t template_matched;
-} __ec_align2;
-
-#define EC_CMD_FP_SEED 0x0408
-struct ec_params_fp_seed {
- /*
- * Version of the structure format (N=3).
- */
- uint16_t struct_version;
- /* Reserved bytes, set to 0. */
- uint16_t reserved;
- /* Seed from the TPM. */
- uint8_t seed[FP_CONTEXT_TPM_BYTES];
-} __ec_align4;
-
-/*****************************************************************************/
-/* Touchpad MCU commands: range 0x0500-0x05FF */
-
-/* Perform touchpad self test */
-#define EC_CMD_TP_SELF_TEST 0x0500
-
-/* Get number of frame types, and the size of each type */
-#define EC_CMD_TP_FRAME_INFO 0x0501
-
-struct ec_response_tp_frame_info {
- uint32_t n_frames;
- uint32_t frame_sizes[0];
-} __ec_align4;
-
-/* Create a snapshot of current frame readings */
-#define EC_CMD_TP_FRAME_SNAPSHOT 0x0502
-
-/* Read the frame */
-#define EC_CMD_TP_FRAME_GET 0x0503
-
-struct ec_params_tp_frame_get {
- uint32_t frame_index;
- uint32_t offset;
- uint32_t size;
-} __ec_align4;
-
-/*****************************************************************************/
-/* EC-EC communication commands: range 0x0600-0x06FF */
-
-#define EC_COMM_TEXT_MAX 8
-
-/*
- * Get battery static information, i.e. information that never changes, or
- * very infrequently.
- */
-#define EC_CMD_BATTERY_GET_STATIC 0x0600
-
-/**
- * struct ec_params_battery_static_info - Battery static info parameters
- * @index: Battery index.
- */
-struct ec_params_battery_static_info {
- uint8_t index;
-} __ec_align_size1;
-
-/**
- * struct ec_response_battery_static_info - Battery static info response
- * @design_capacity: Battery Design Capacity (mAh)
- * @design_voltage: Battery Design Voltage (mV)
- * @manufacturer: Battery Manufacturer String
- * @model: Battery Model Number String
- * @serial: Battery Serial Number String
- * @type: Battery Type String
- * @cycle_count: Battery Cycle Count
- */
-struct ec_response_battery_static_info {
- uint16_t design_capacity;
- uint16_t design_voltage;
- char manufacturer[EC_COMM_TEXT_MAX];
- char model[EC_COMM_TEXT_MAX];
- char serial[EC_COMM_TEXT_MAX];
- char type[EC_COMM_TEXT_MAX];
- /* TODO(crbug.com/795991): Consider moving to dynamic structure. */
- uint32_t cycle_count;
-} __ec_align4;
-
-/*
- * Get battery dynamic information, i.e. information that is likely to change
- * every time it is read.
- */
-#define EC_CMD_BATTERY_GET_DYNAMIC 0x0601
-
-/**
- * struct ec_params_battery_dynamic_info - Battery dynamic info parameters
- * @index: Battery index.
- */
-struct ec_params_battery_dynamic_info {
- uint8_t index;
-} __ec_align_size1;
-
-/**
- * struct ec_response_battery_dynamic_info - Battery dynamic info response
- * @actual_voltage: Battery voltage (mV)
- * @actual_current: Battery current (mA); negative=discharging
- * @remaining_capacity: Remaining capacity (mAh)
- * @full_capacity: Capacity (mAh, might change occasionally)
- * @flags: Flags, see EC_BATT_FLAG_*
- * @desired_voltage: Charging voltage desired by battery (mV)
- * @desired_current: Charging current desired by battery (mA)
- */
-struct ec_response_battery_dynamic_info {
- int16_t actual_voltage;
- int16_t actual_current;
- int16_t remaining_capacity;
- int16_t full_capacity;
- int16_t flags;
- int16_t desired_voltage;
- int16_t desired_current;
-} __ec_align2;
-
-/*
- * Control charger chip. Used to control charger chip on the slave.
- */
-#define EC_CMD_CHARGER_CONTROL 0x0602
-
-/**
- * struct ec_params_charger_control - Charger control parameters
- * @max_current: Charger current (mA). Positive to allow base to draw up to
- * max_current and (possibly) charge battery, negative to request current
- * from base (OTG).
- * @otg_voltage: Voltage (mV) to use in OTG mode, ignored if max_current is
- * >= 0.
- * @allow_charging: Allow base battery charging (only makes sense if
- * max_current > 0).
- */
-struct ec_params_charger_control {
- int16_t max_current;
- uint16_t otg_voltage;
- uint8_t allow_charging;
-} __ec_align_size1;
-
-/*****************************************************************************/
-/*
- * Reserve a range of host commands for board-specific, experimental, or
- * special purpose features. These can be (re)used without updating this file.
- *
- * CAUTION: Don't go nuts with this. Shipping products should document ALL
- * their EC commands for easier development, testing, debugging, and support.
- *
- * All commands MUST be #defined to be 4-digit UPPER CASE hex values
- * (e.g., 0x00AB, not 0xab) for CONFIG_HOSTCMD_SECTION_SORTED to work.
- *
- * In your experimental code, you may want to do something like this:
- *
- * #define EC_CMD_MAGIC_FOO 0x0000
- * #define EC_CMD_MAGIC_BAR 0x0001
- * #define EC_CMD_MAGIC_HEY 0x0002
- *
- * DECLARE_PRIVATE_HOST_COMMAND(EC_CMD_MAGIC_FOO, magic_foo_handler,
- * EC_VER_MASK(0);
- *
- * DECLARE_PRIVATE_HOST_COMMAND(EC_CMD_MAGIC_BAR, magic_bar_handler,
- * EC_VER_MASK(0);
- *
- * DECLARE_PRIVATE_HOST_COMMAND(EC_CMD_MAGIC_HEY, magic_hey_handler,
- * EC_VER_MASK(0);
- */
-#define EC_CMD_BOARD_SPECIFIC_BASE 0x3E00
-#define EC_CMD_BOARD_SPECIFIC_LAST 0x3FFF
-
-/*
- * Given the private host command offset, calculate the true private host
- * command value.
- */
-#define EC_PRIVATE_HOST_COMMAND_VALUE(command) \
- (EC_CMD_BOARD_SPECIFIC_BASE + (command))
-
-/*****************************************************************************/
-/*
- * Passthru commands
- *
- * Some platforms have sub-processors chained to each other. For example.
- *
- * AP <--> EC <--> PD MCU
- *
- * The top 2 bits of the command number are used to indicate which device the
- * command is intended for. Device 0 is always the device receiving the
- * command; other device mapping is board-specific.
- *
- * When a device receives a command to be passed to a sub-processor, it passes
- * it on with the device number set back to 0. This allows the sub-processor
- * to remain blissfully unaware of whether the command originated on the next
- * device up the chain, or was passed through from the AP.
- *
- * In the above example, if the AP wants to send command 0x0002 to the PD MCU,
- * AP sends command 0x4002 to the EC
- * EC sends command 0x0002 to the PD MCU
- * EC forwards PD MCU response back to the AP
- */
-
-/* Offset and max command number for sub-device n */
-#define EC_CMD_PASSTHRU_OFFSET(n) (0x4000 * (n))
-#define EC_CMD_PASSTHRU_MAX(n) (EC_CMD_PASSTHRU_OFFSET(n) + 0x3fff)
-
-/*****************************************************************************/
-/*
- * Deprecated constants. These constants have been renamed for clarity. The
- * meaning and size has not changed. Programs that use the old names should
- * switch to the new names soon, as the old names may not be carried forward
- * forever.
- */
-#define EC_HOST_PARAM_SIZE EC_PROTO2_MAX_PARAM_SIZE
-#define EC_LPC_ADDR_OLD_PARAM EC_HOST_CMD_REGION1
-#define EC_OLD_PARAM_SIZE EC_HOST_CMD_REGION_SIZE
-
-
-
-#endif /* __CROS_EC_COMMANDS_H */
#include <linux/ioctl.h>
#include <linux/types.h>
-#include <linux/mfd/cros_ec.h>
+#include <linux/platform_data/cros_ec_commands.h>
#define CROS_EC_DEV_VERSION "1.0.0"
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Host communication command constants for ChromeOS EC
+ *
+ * Copyright (C) 2012 Google, Inc
+ *
+ * NOTE: This file is auto-generated from ChromeOS EC Open Source code from
+ * https://chromium.googlesource.com/chromiumos/platform/ec/+/master/include/ec_commands.h
+ */
+
+/* Host communication command constants for Chrome EC */
+
+#ifndef __CROS_EC_COMMANDS_H
+#define __CROS_EC_COMMANDS_H
+
+
+
+
+#define BUILD_ASSERT(_cond)
+
+/*
+ * Current version of this protocol
+ *
+ * TODO(crosbug.com/p/11223): This is effectively useless; protocol is
+ * determined in other ways. Remove this once the kernel code no longer
+ * depends on it.
+ */
+#define EC_PROTO_VERSION 0x00000002
+
+/* Command version mask */
+#define EC_VER_MASK(version) BIT(version)
+
+/* I/O addresses for ACPI commands */
+#define EC_LPC_ADDR_ACPI_DATA 0x62
+#define EC_LPC_ADDR_ACPI_CMD 0x66
+
+/* I/O addresses for host command */
+#define EC_LPC_ADDR_HOST_DATA 0x200
+#define EC_LPC_ADDR_HOST_CMD 0x204
+
+/* I/O addresses for host command args and params */
+/* Protocol version 2 */
+#define EC_LPC_ADDR_HOST_ARGS 0x800 /* And 0x801, 0x802, 0x803 */
+#define EC_LPC_ADDR_HOST_PARAM 0x804 /* For version 2 params; size is
+ * EC_PROTO2_MAX_PARAM_SIZE
+ */
+/* Protocol version 3 */
+#define EC_LPC_ADDR_HOST_PACKET 0x800 /* Offset of version 3 packet */
+#define EC_LPC_HOST_PACKET_SIZE 0x100 /* Max size of version 3 packet */
+
+/*
+ * The actual block is 0x800-0x8ff, but some BIOSes think it's 0x880-0x8ff
+ * and they tell the kernel that so we have to think of it as two parts.
+ */
+#define EC_HOST_CMD_REGION0 0x800
+#define EC_HOST_CMD_REGION1 0x880
+#define EC_HOST_CMD_REGION_SIZE 0x80
+
+/* EC command register bit functions */
+#define EC_LPC_CMDR_DATA BIT(0) /* Data ready for host to read */
+#define EC_LPC_CMDR_PENDING BIT(1) /* Write pending to EC */
+#define EC_LPC_CMDR_BUSY BIT(2) /* EC is busy processing a command */
+#define EC_LPC_CMDR_CMD BIT(3) /* Last host write was a command */
+#define EC_LPC_CMDR_ACPI_BRST BIT(4) /* Burst mode (not used) */
+#define EC_LPC_CMDR_SCI BIT(5) /* SCI event is pending */
+#define EC_LPC_CMDR_SMI BIT(6) /* SMI event is pending */
+
+#define EC_LPC_ADDR_MEMMAP 0x900
+#define EC_MEMMAP_SIZE 255 /* ACPI IO buffer max is 255 bytes */
+#define EC_MEMMAP_TEXT_MAX 8 /* Size of a string in the memory map */
+
+/* The offset address of each type of data in mapped memory. */
+#define EC_MEMMAP_TEMP_SENSOR 0x00 /* Temp sensors 0x00 - 0x0f */
+#define EC_MEMMAP_FAN 0x10 /* Fan speeds 0x10 - 0x17 */
+#define EC_MEMMAP_TEMP_SENSOR_B 0x18 /* More temp sensors 0x18 - 0x1f */
+#define EC_MEMMAP_ID 0x20 /* 0x20 == 'E', 0x21 == 'C' */
+#define EC_MEMMAP_ID_VERSION 0x22 /* Version of data in 0x20 - 0x2f */
+#define EC_MEMMAP_THERMAL_VERSION 0x23 /* Version of data in 0x00 - 0x1f */
+#define EC_MEMMAP_BATTERY_VERSION 0x24 /* Version of data in 0x40 - 0x7f */
+#define EC_MEMMAP_SWITCHES_VERSION 0x25 /* Version of data in 0x30 - 0x33 */
+#define EC_MEMMAP_EVENTS_VERSION 0x26 /* Version of data in 0x34 - 0x3f */
+#define EC_MEMMAP_HOST_CMD_FLAGS 0x27 /* Host cmd interface flags (8 bits) */
+/* Unused 0x28 - 0x2f */
+#define EC_MEMMAP_SWITCHES 0x30 /* 8 bits */
+/* Unused 0x31 - 0x33 */
+#define EC_MEMMAP_HOST_EVENTS 0x34 /* 64 bits */
+/* Battery values are all 32 bits, unless otherwise noted. */
+#define EC_MEMMAP_BATT_VOLT 0x40 /* Battery Present Voltage */
+#define EC_MEMMAP_BATT_RATE 0x44 /* Battery Present Rate */
+#define EC_MEMMAP_BATT_CAP 0x48 /* Battery Remaining Capacity */
+#define EC_MEMMAP_BATT_FLAG 0x4c /* Battery State, see below (8-bit) */
+#define EC_MEMMAP_BATT_COUNT 0x4d /* Battery Count (8-bit) */
+#define EC_MEMMAP_BATT_INDEX 0x4e /* Current Battery Data Index (8-bit) */
+/* Unused 0x4f */
+#define EC_MEMMAP_BATT_DCAP 0x50 /* Battery Design Capacity */
+#define EC_MEMMAP_BATT_DVLT 0x54 /* Battery Design Voltage */
+#define EC_MEMMAP_BATT_LFCC 0x58 /* Battery Last Full Charge Capacity */
+#define EC_MEMMAP_BATT_CCNT 0x5c /* Battery Cycle Count */
+/* Strings are all 8 bytes (EC_MEMMAP_TEXT_MAX) */
+#define EC_MEMMAP_BATT_MFGR 0x60 /* Battery Manufacturer String */
+#define EC_MEMMAP_BATT_MODEL 0x68 /* Battery Model Number String */
+#define EC_MEMMAP_BATT_SERIAL 0x70 /* Battery Serial Number String */
+#define EC_MEMMAP_BATT_TYPE 0x78 /* Battery Type String */
+#define EC_MEMMAP_ALS 0x80 /* ALS readings in lux (2 X 16 bits) */
+/* Unused 0x84 - 0x8f */
+#define EC_MEMMAP_ACC_STATUS 0x90 /* Accelerometer status (8 bits )*/
+/* Unused 0x91 */
+#define EC_MEMMAP_ACC_DATA 0x92 /* Accelerometers data 0x92 - 0x9f */
+/* 0x92: Lid Angle if available, LID_ANGLE_UNRELIABLE otherwise */
+/* 0x94 - 0x99: 1st Accelerometer */
+/* 0x9a - 0x9f: 2nd Accelerometer */
+#define EC_MEMMAP_GYRO_DATA 0xa0 /* Gyroscope data 0xa0 - 0xa5 */
+/* Unused 0xa6 - 0xdf */
+
+/*
+ * ACPI is unable to access memory mapped data at or above this offset due to
+ * limitations of the ACPI protocol. Do not place data in the range 0xe0 - 0xfe
+ * which might be needed by ACPI.
+ */
+#define EC_MEMMAP_NO_ACPI 0xe0
+
+/* Define the format of the accelerometer mapped memory status byte. */
+#define EC_MEMMAP_ACC_STATUS_SAMPLE_ID_MASK 0x0f
+#define EC_MEMMAP_ACC_STATUS_BUSY_BIT BIT(4)
+#define EC_MEMMAP_ACC_STATUS_PRESENCE_BIT BIT(7)
+
+/* Number of temp sensors at EC_MEMMAP_TEMP_SENSOR */
+#define EC_TEMP_SENSOR_ENTRIES 16
+/*
+ * Number of temp sensors at EC_MEMMAP_TEMP_SENSOR_B.
+ *
+ * Valid only if EC_MEMMAP_THERMAL_VERSION returns >= 2.
+ */
+#define EC_TEMP_SENSOR_B_ENTRIES 8
+
+/* Special values for mapped temperature sensors */
+#define EC_TEMP_SENSOR_NOT_PRESENT 0xff
+#define EC_TEMP_SENSOR_ERROR 0xfe
+#define EC_TEMP_SENSOR_NOT_POWERED 0xfd
+#define EC_TEMP_SENSOR_NOT_CALIBRATED 0xfc
+/*
+ * The offset of temperature value stored in mapped memory. This allows
+ * reporting a temperature range of 200K to 454K = -73C to 181C.
+ */
+#define EC_TEMP_SENSOR_OFFSET 200
+
+/*
+ * Number of ALS readings at EC_MEMMAP_ALS
+ */
+#define EC_ALS_ENTRIES 2
+
+/*
+ * The default value a temperature sensor will return when it is present but
+ * has not been read this boot. This is a reasonable number to avoid
+ * triggering alarms on the host.
+ */
+#define EC_TEMP_SENSOR_DEFAULT (296 - EC_TEMP_SENSOR_OFFSET)
+
+#define EC_FAN_SPEED_ENTRIES 4 /* Number of fans at EC_MEMMAP_FAN */
+#define EC_FAN_SPEED_NOT_PRESENT 0xffff /* Entry not present */
+#define EC_FAN_SPEED_STALLED 0xfffe /* Fan stalled */
+
+/* Battery bit flags at EC_MEMMAP_BATT_FLAG. */
+#define EC_BATT_FLAG_AC_PRESENT 0x01
+#define EC_BATT_FLAG_BATT_PRESENT 0x02
+#define EC_BATT_FLAG_DISCHARGING 0x04
+#define EC_BATT_FLAG_CHARGING 0x08
+#define EC_BATT_FLAG_LEVEL_CRITICAL 0x10
+/* Set if some of the static/dynamic data is invalid (or outdated). */
+#define EC_BATT_FLAG_INVALID_DATA 0x20
+
+/* Switch flags at EC_MEMMAP_SWITCHES */
+#define EC_SWITCH_LID_OPEN 0x01
+#define EC_SWITCH_POWER_BUTTON_PRESSED 0x02
+#define EC_SWITCH_WRITE_PROTECT_DISABLED 0x04
+/* Was recovery requested via keyboard; now unused. */
+#define EC_SWITCH_IGNORE1 0x08
+/* Recovery requested via dedicated signal (from servo board) */
+#define EC_SWITCH_DEDICATED_RECOVERY 0x10
+/* Was fake developer mode switch; now unused. Remove in next refactor. */
+#define EC_SWITCH_IGNORE0 0x20
+
+/* Host command interface flags */
+/* Host command interface supports LPC args (LPC interface only) */
+#define EC_HOST_CMD_FLAG_LPC_ARGS_SUPPORTED 0x01
+/* Host command interface supports version 3 protocol */
+#define EC_HOST_CMD_FLAG_VERSION_3 0x02
+
+/* Wireless switch flags */
+#define EC_WIRELESS_SWITCH_ALL ~0x00 /* All flags */
+#define EC_WIRELESS_SWITCH_WLAN 0x01 /* WLAN radio */
+#define EC_WIRELESS_SWITCH_BLUETOOTH 0x02 /* Bluetooth radio */
+#define EC_WIRELESS_SWITCH_WWAN 0x04 /* WWAN power */
+#define EC_WIRELESS_SWITCH_WLAN_POWER 0x08 /* WLAN power */
+
+/*****************************************************************************/
+/*
+ * ACPI commands
+ *
+ * These are valid ONLY on the ACPI command/data port.
+ */
+
+/*
+ * ACPI Read Embedded Controller
+ *
+ * This reads from ACPI memory space on the EC (EC_ACPI_MEM_*).
+ *
+ * Use the following sequence:
+ *
+ * - Write EC_CMD_ACPI_READ to EC_LPC_ADDR_ACPI_CMD
+ * - Wait for EC_LPC_CMDR_PENDING bit to clear
+ * - Write address to EC_LPC_ADDR_ACPI_DATA
+ * - Wait for EC_LPC_CMDR_DATA bit to set
+ * - Read value from EC_LPC_ADDR_ACPI_DATA
+ */
+#define EC_CMD_ACPI_READ 0x0080
+
+/*
+ * ACPI Write Embedded Controller
+ *
+ * This reads from ACPI memory space on the EC (EC_ACPI_MEM_*).
+ *
+ * Use the following sequence:
+ *
+ * - Write EC_CMD_ACPI_WRITE to EC_LPC_ADDR_ACPI_CMD
+ * - Wait for EC_LPC_CMDR_PENDING bit to clear
+ * - Write address to EC_LPC_ADDR_ACPI_DATA
+ * - Wait for EC_LPC_CMDR_PENDING bit to clear
+ * - Write value to EC_LPC_ADDR_ACPI_DATA
+ */
+#define EC_CMD_ACPI_WRITE 0x0081
+
+/*
+ * ACPI Burst Enable Embedded Controller
+ *
+ * This enables burst mode on the EC to allow the host to issue several
+ * commands back-to-back. While in this mode, writes to mapped multi-byte
+ * data are locked out to ensure data consistency.
+ */
+#define EC_CMD_ACPI_BURST_ENABLE 0x0082
+
+/*
+ * ACPI Burst Disable Embedded Controller
+ *
+ * This disables burst mode on the EC and stops preventing EC writes to mapped
+ * multi-byte data.
+ */
+#define EC_CMD_ACPI_BURST_DISABLE 0x0083
+
+/*
+ * ACPI Query Embedded Controller
+ *
+ * This clears the lowest-order bit in the currently pending host events, and
+ * sets the result code to the 1-based index of the bit (event 0x00000001 = 1,
+ * event 0x80000000 = 32), or 0 if no event was pending.
+ */
+#define EC_CMD_ACPI_QUERY_EVENT 0x0084
+
+/* Valid addresses in ACPI memory space, for read/write commands */
+
+/* Memory space version; set to EC_ACPI_MEM_VERSION_CURRENT */
+#define EC_ACPI_MEM_VERSION 0x00
+/*
+ * Test location; writing value here updates test compliment byte to (0xff -
+ * value).
+ */
+#define EC_ACPI_MEM_TEST 0x01
+/* Test compliment; writes here are ignored. */
+#define EC_ACPI_MEM_TEST_COMPLIMENT 0x02
+
+/* Keyboard backlight brightness percent (0 - 100) */
+#define EC_ACPI_MEM_KEYBOARD_BACKLIGHT 0x03
+/* DPTF Target Fan Duty (0-100, 0xff for auto/none) */
+#define EC_ACPI_MEM_FAN_DUTY 0x04
+
+/*
+ * DPTF temp thresholds. Any of the EC's temp sensors can have up to two
+ * independent thresholds attached to them. The current value of the ID
+ * register determines which sensor is affected by the THRESHOLD and COMMIT
+ * registers. The THRESHOLD register uses the same EC_TEMP_SENSOR_OFFSET scheme
+ * as the memory-mapped sensors. The COMMIT register applies those settings.
+ *
+ * The spec does not mandate any way to read back the threshold settings
+ * themselves, but when a threshold is crossed the AP needs a way to determine
+ * which sensor(s) are responsible. Each reading of the ID register clears and
+ * returns one sensor ID that has crossed one of its threshold (in either
+ * direction) since the last read. A value of 0xFF means "no new thresholds
+ * have tripped". Setting or enabling the thresholds for a sensor will clear
+ * the unread event count for that sensor.
+ */
+#define EC_ACPI_MEM_TEMP_ID 0x05
+#define EC_ACPI_MEM_TEMP_THRESHOLD 0x06
+#define EC_ACPI_MEM_TEMP_COMMIT 0x07
+/*
+ * Here are the bits for the COMMIT register:
+ * bit 0 selects the threshold index for the chosen sensor (0/1)
+ * bit 1 enables/disables the selected threshold (0 = off, 1 = on)
+ * Each write to the commit register affects one threshold.
+ */
+#define EC_ACPI_MEM_TEMP_COMMIT_SELECT_MASK BIT(0)
+#define EC_ACPI_MEM_TEMP_COMMIT_ENABLE_MASK BIT(1)
+/*
+ * Example:
+ *
+ * Set the thresholds for sensor 2 to 50 C and 60 C:
+ * write 2 to [0x05] -- select temp sensor 2
+ * write 0x7b to [0x06] -- C_TO_K(50) - EC_TEMP_SENSOR_OFFSET
+ * write 0x2 to [0x07] -- enable threshold 0 with this value
+ * write 0x85 to [0x06] -- C_TO_K(60) - EC_TEMP_SENSOR_OFFSET
+ * write 0x3 to [0x07] -- enable threshold 1 with this value
+ *
+ * Disable the 60 C threshold, leaving the 50 C threshold unchanged:
+ * write 2 to [0x05] -- select temp sensor 2
+ * write 0x1 to [0x07] -- disable threshold 1
+ */
+
+/* DPTF battery charging current limit */
+#define EC_ACPI_MEM_CHARGING_LIMIT 0x08
+
+/* Charging limit is specified in 64 mA steps */
+#define EC_ACPI_MEM_CHARGING_LIMIT_STEP_MA 64
+/* Value to disable DPTF battery charging limit */
+#define EC_ACPI_MEM_CHARGING_LIMIT_DISABLED 0xff
+
+/*
+ * Report device orientation
+ * Bits Definition
+ * 3:1 Device DPTF Profile Number (DDPN)
+ * 0 = Reserved for backward compatibility (indicates no valid
+ * profile number. Host should fall back to using TBMD).
+ * 1..7 = DPTF Profile number to indicate to host which table needs
+ * to be loaded.
+ * 0 Tablet Mode Device Indicator (TBMD)
+ */
+#define EC_ACPI_MEM_DEVICE_ORIENTATION 0x09
+#define EC_ACPI_MEM_TBMD_SHIFT 0
+#define EC_ACPI_MEM_TBMD_MASK 0x1
+#define EC_ACPI_MEM_DDPN_SHIFT 1
+#define EC_ACPI_MEM_DDPN_MASK 0x7
+
+/*
+ * Report device features. Uses the same format as the host command, except:
+ *
+ * bit 0 (EC_FEATURE_LIMITED) changes meaning from "EC code has a limited set
+ * of features", which is of limited interest when the system is already
+ * interpreting ACPI bytecode, to "EC_FEATURES[0-7] is not supported". Since
+ * these are supported, it defaults to 0.
+ * This allows detecting the presence of this field since older versions of
+ * the EC codebase would simply return 0xff to that unknown address. Check
+ * FEATURES0 != 0xff (or FEATURES0[0] == 0) to make sure that the other bits
+ * are valid.
+ */
+#define EC_ACPI_MEM_DEVICE_FEATURES0 0x0a
+#define EC_ACPI_MEM_DEVICE_FEATURES1 0x0b
+#define EC_ACPI_MEM_DEVICE_FEATURES2 0x0c
+#define EC_ACPI_MEM_DEVICE_FEATURES3 0x0d
+#define EC_ACPI_MEM_DEVICE_FEATURES4 0x0e
+#define EC_ACPI_MEM_DEVICE_FEATURES5 0x0f
+#define EC_ACPI_MEM_DEVICE_FEATURES6 0x10
+#define EC_ACPI_MEM_DEVICE_FEATURES7 0x11
+
+#define EC_ACPI_MEM_BATTERY_INDEX 0x12
+
+/*
+ * USB Port Power. Each bit indicates whether the corresponding USB ports' power
+ * is enabled (1) or disabled (0).
+ * bit 0 USB port ID 0
+ * ...
+ * bit 7 USB port ID 7
+ */
+#define EC_ACPI_MEM_USB_PORT_POWER 0x13
+
+/*
+ * ACPI addresses 0x20 - 0xff map to EC_MEMMAP offset 0x00 - 0xdf. This data
+ * is read-only from the AP. Added in EC_ACPI_MEM_VERSION 2.
+ */
+#define EC_ACPI_MEM_MAPPED_BEGIN 0x20
+#define EC_ACPI_MEM_MAPPED_SIZE 0xe0
+
+/* Current version of ACPI memory address space */
+#define EC_ACPI_MEM_VERSION_CURRENT 2
+
+
+/*
+ * This header file is used in coreboot both in C and ACPI code. The ACPI code
+ * is pre-processed to handle constants but the ASL compiler is unable to
+ * handle actual C code so keep it separate.
+ */
+
+
+/*
+ * Attributes for EC request and response packets. Just defining __packed
+ * results in inefficient assembly code on ARM, if the structure is actually
+ * 32-bit aligned, as it should be for all buffers.
+ *
+ * Be very careful when adding these to existing structures. They will round
+ * up the structure size to the specified boundary.
+ *
+ * Also be very careful to make that if a structure is included in some other
+ * parent structure that the alignment will still be true given the packing of
+ * the parent structure. This is particularly important if the sub-structure
+ * will be passed as a pointer to another function, since that function will
+ * not know about the misaligment caused by the parent structure's packing.
+ *
+ * Also be very careful using __packed - particularly when nesting non-packed
+ * structures inside packed ones. In fact, DO NOT use __packed directly;
+ * always use one of these attributes.
+ *
+ * Once everything is annotated properly, the following search strings should
+ * not return ANY matches in this file other than right here:
+ *
+ * "__packed" - generates inefficient code; all sub-structs must also be packed
+ *
+ * "struct [^_]" - all structs should be annotated, except for structs that are
+ * members of other structs/unions (and their original declarations should be
+ * annotated).
+ */
+
+/*
+ * Packed structures make no assumption about alignment, so they do inefficient
+ * byte-wise reads.
+ */
+#define __ec_align1 __packed
+#define __ec_align2 __packed
+#define __ec_align4 __packed
+#define __ec_align_size1 __packed
+#define __ec_align_offset1 __packed
+#define __ec_align_offset2 __packed
+#define __ec_todo_packed __packed
+#define __ec_todo_unpacked
+
+
+/* LPC command status byte masks */
+/* EC has written a byte in the data register and host hasn't read it yet */
+#define EC_LPC_STATUS_TO_HOST 0x01
+/* Host has written a command/data byte and the EC hasn't read it yet */
+#define EC_LPC_STATUS_FROM_HOST 0x02
+/* EC is processing a command */
+#define EC_LPC_STATUS_PROCESSING 0x04
+/* Last write to EC was a command, not data */
+#define EC_LPC_STATUS_LAST_CMD 0x08
+/* EC is in burst mode */
+#define EC_LPC_STATUS_BURST_MODE 0x10
+/* SCI event is pending (requesting SCI query) */
+#define EC_LPC_STATUS_SCI_PENDING 0x20
+/* SMI event is pending (requesting SMI query) */
+#define EC_LPC_STATUS_SMI_PENDING 0x40
+/* (reserved) */
+#define EC_LPC_STATUS_RESERVED 0x80
+
+/*
+ * EC is busy. This covers both the EC processing a command, and the host has
+ * written a new command but the EC hasn't picked it up yet.
+ */
+#define EC_LPC_STATUS_BUSY_MASK \
+ (EC_LPC_STATUS_FROM_HOST | EC_LPC_STATUS_PROCESSING)
+
+/*
+ * Host command response codes (16-bit). Note that response codes should be
+ * stored in a uint16_t rather than directly in a value of this type.
+ */
+enum ec_status {
+ EC_RES_SUCCESS = 0,
+ EC_RES_INVALID_COMMAND = 1,
+ EC_RES_ERROR = 2,
+ EC_RES_INVALID_PARAM = 3,
+ EC_RES_ACCESS_DENIED = 4,
+ EC_RES_INVALID_RESPONSE = 5,
+ EC_RES_INVALID_VERSION = 6,
+ EC_RES_INVALID_CHECKSUM = 7,
+ EC_RES_IN_PROGRESS = 8, /* Accepted, command in progress */
+ EC_RES_UNAVAILABLE = 9, /* No response available */
+ EC_RES_TIMEOUT = 10, /* We got a timeout */
+ EC_RES_OVERFLOW = 11, /* Table / data overflow */
+ EC_RES_INVALID_HEADER = 12, /* Header contains invalid data */
+ EC_RES_REQUEST_TRUNCATED = 13, /* Didn't get the entire request */
+ EC_RES_RESPONSE_TOO_BIG = 14, /* Response was too big to handle */
+ EC_RES_BUS_ERROR = 15, /* Communications bus error */
+ EC_RES_BUSY = 16, /* Up but too busy. Should retry */
+ EC_RES_INVALID_HEADER_VERSION = 17, /* Header version invalid */
+ EC_RES_INVALID_HEADER_CRC = 18, /* Header CRC invalid */
+ EC_RES_INVALID_DATA_CRC = 19, /* Data CRC invalid */
+ EC_RES_DUP_UNAVAILABLE = 20, /* Can't resend response */
+};
+
+/*
+ * Host event codes. Note these are 1-based, not 0-based, because ACPI query
+ * EC command uses code 0 to mean "no event pending". We explicitly specify
+ * each value in the enum listing so they won't change if we delete/insert an
+ * item or rearrange the list (it needs to be stable across platforms, not
+ * just within a single compiled instance).
+ */
+enum host_event_code {
+ EC_HOST_EVENT_LID_CLOSED = 1,
+ EC_HOST_EVENT_LID_OPEN = 2,
+ EC_HOST_EVENT_POWER_BUTTON = 3,
+ EC_HOST_EVENT_AC_CONNECTED = 4,
+ EC_HOST_EVENT_AC_DISCONNECTED = 5,
+ EC_HOST_EVENT_BATTERY_LOW = 6,
+ EC_HOST_EVENT_BATTERY_CRITICAL = 7,
+ EC_HOST_EVENT_BATTERY = 8,
+ EC_HOST_EVENT_THERMAL_THRESHOLD = 9,
+ /* Event generated by a device attached to the EC */
+ EC_HOST_EVENT_DEVICE = 10,
+ EC_HOST_EVENT_THERMAL = 11,
+ EC_HOST_EVENT_USB_CHARGER = 12,
+ EC_HOST_EVENT_KEY_PRESSED = 13,
+ /*
+ * EC has finished initializing the host interface. The host can check
+ * for this event following sending a EC_CMD_REBOOT_EC command to
+ * determine when the EC is ready to accept subsequent commands.
+ */
+ EC_HOST_EVENT_INTERFACE_READY = 14,
+ /* Keyboard recovery combo has been pressed */
+ EC_HOST_EVENT_KEYBOARD_RECOVERY = 15,
+
+ /* Shutdown due to thermal overload */
+ EC_HOST_EVENT_THERMAL_SHUTDOWN = 16,
+ /* Shutdown due to battery level too low */
+ EC_HOST_EVENT_BATTERY_SHUTDOWN = 17,
+
+ /* Suggest that the AP throttle itself */
+ EC_HOST_EVENT_THROTTLE_START = 18,
+ /* Suggest that the AP resume normal speed */
+ EC_HOST_EVENT_THROTTLE_STOP = 19,
+
+ /* Hang detect logic detected a hang and host event timeout expired */
+ EC_HOST_EVENT_HANG_DETECT = 20,
+ /* Hang detect logic detected a hang and warm rebooted the AP */
+ EC_HOST_EVENT_HANG_REBOOT = 21,
+
+ /* PD MCU triggering host event */
+ EC_HOST_EVENT_PD_MCU = 22,
+
+ /* Battery Status flags have changed */
+ EC_HOST_EVENT_BATTERY_STATUS = 23,
+
+ /* EC encountered a panic, triggering a reset */
+ EC_HOST_EVENT_PANIC = 24,
+
+ /* Keyboard fastboot combo has been pressed */
+ EC_HOST_EVENT_KEYBOARD_FASTBOOT = 25,
+
+ /* EC RTC event occurred */
+ EC_HOST_EVENT_RTC = 26,
+
+ /* Emulate MKBP event */
+ EC_HOST_EVENT_MKBP = 27,
+
+ /* EC desires to change state of host-controlled USB mux */
+ EC_HOST_EVENT_USB_MUX = 28,
+
+ /* TABLET/LAPTOP mode or detachable base attach/detach event */
+ EC_HOST_EVENT_MODE_CHANGE = 29,
+
+ /* Keyboard recovery combo with hardware reinitialization */
+ EC_HOST_EVENT_KEYBOARD_RECOVERY_HW_REINIT = 30,
+
+ /*
+ * The high bit of the event mask is not used as a host event code. If
+ * it reads back as set, then the entire event mask should be
+ * considered invalid by the host. This can happen when reading the
+ * raw event status via EC_MEMMAP_HOST_EVENTS but the LPC interface is
+ * not initialized on the EC, or improperly configured on the host.
+ */
+ EC_HOST_EVENT_INVALID = 32
+};
+/* Host event mask */
+#define EC_HOST_EVENT_MASK(event_code) BIT_ULL((event_code) - 1)
+
+/**
+ * struct ec_lpc_host_args - Arguments at EC_LPC_ADDR_HOST_ARGS
+ * @flags: The host argument flags.
+ * @command_version: Command version.
+ * @data_size: The length of data.
+ * @checksum: Checksum; sum of command + flags + command_version + data_size +
+ * all params/response data bytes.
+ */
+struct ec_lpc_host_args {
+ uint8_t flags;
+ uint8_t command_version;
+ uint8_t data_size;
+ uint8_t checksum;
+} __ec_align4;
+
+/* Flags for ec_lpc_host_args.flags */
+/*
+ * Args are from host. Data area at EC_LPC_ADDR_HOST_PARAM contains command
+ * params.
+ *
+ * If EC gets a command and this flag is not set, this is an old-style command.
+ * Command version is 0 and params from host are at EC_LPC_ADDR_OLD_PARAM with
+ * unknown length. EC must respond with an old-style response (that is,
+ * without setting EC_HOST_ARGS_FLAG_TO_HOST).
+ */
+#define EC_HOST_ARGS_FLAG_FROM_HOST 0x01
+/*
+ * Args are from EC. Data area at EC_LPC_ADDR_HOST_PARAM contains response.
+ *
+ * If EC responds to a command and this flag is not set, this is an old-style
+ * response. Command version is 0 and response data from EC is at
+ * EC_LPC_ADDR_OLD_PARAM with unknown length.
+ */
+#define EC_HOST_ARGS_FLAG_TO_HOST 0x02
+
+/*****************************************************************************/
+/*
+ * Byte codes returned by EC over SPI interface.
+ *
+ * These can be used by the AP to debug the EC interface, and to determine
+ * when the EC is not in a state where it will ever get around to responding
+ * to the AP.
+ *
+ * Example of sequence of bytes read from EC for a current good transfer:
+ * 1. - - AP asserts chip select (CS#)
+ * 2. EC_SPI_OLD_READY - AP sends first byte(s) of request
+ * 3. - - EC starts handling CS# interrupt
+ * 4. EC_SPI_RECEIVING - AP sends remaining byte(s) of request
+ * 5. EC_SPI_PROCESSING - EC starts processing request; AP is clocking in
+ * bytes looking for EC_SPI_FRAME_START
+ * 6. - - EC finishes processing and sets up response
+ * 7. EC_SPI_FRAME_START - AP reads frame byte
+ * 8. (response packet) - AP reads response packet
+ * 9. EC_SPI_PAST_END - Any additional bytes read by AP
+ * 10 - - AP deasserts chip select
+ * 11 - - EC processes CS# interrupt and sets up DMA for
+ * next request
+ *
+ * If the AP is waiting for EC_SPI_FRAME_START and sees any value other than
+ * the following byte values:
+ * EC_SPI_OLD_READY
+ * EC_SPI_RX_READY
+ * EC_SPI_RECEIVING
+ * EC_SPI_PROCESSING
+ *
+ * Then the EC found an error in the request, or was not ready for the request
+ * and lost data. The AP should give up waiting for EC_SPI_FRAME_START,
+ * because the EC is unable to tell when the AP is done sending its request.
+ */
+
+/*
+ * Framing byte which precedes a response packet from the EC. After sending a
+ * request, the AP will clock in bytes until it sees the framing byte, then
+ * clock in the response packet.
+ */
+#define EC_SPI_FRAME_START 0xec
+
+/*
+ * Padding bytes which are clocked out after the end of a response packet.
+ */
+#define EC_SPI_PAST_END 0xed
+
+/*
+ * EC is ready to receive, and has ignored the byte sent by the AP. EC expects
+ * that the AP will send a valid packet header (starting with
+ * EC_COMMAND_PROTOCOL_3) in the next 32 bytes.
+ */
+#define EC_SPI_RX_READY 0xf8
+
+/*
+ * EC has started receiving the request from the AP, but hasn't started
+ * processing it yet.
+ */
+#define EC_SPI_RECEIVING 0xf9
+
+/* EC has received the entire request from the AP and is processing it. */
+#define EC_SPI_PROCESSING 0xfa
+
+/*
+ * EC received bad data from the AP, such as a packet header with an invalid
+ * length. EC will ignore all data until chip select deasserts.
+ */
+#define EC_SPI_RX_BAD_DATA 0xfb
+
+/*
+ * EC received data from the AP before it was ready. That is, the AP asserted
+ * chip select and started clocking data before the EC was ready to receive it.
+ * EC will ignore all data until chip select deasserts.
+ */
+#define EC_SPI_NOT_READY 0xfc
+
+/*
+ * EC was ready to receive a request from the AP. EC has treated the byte sent
+ * by the AP as part of a request packet, or (for old-style ECs) is processing
+ * a fully received packet but is not ready to respond yet.
+ */
+#define EC_SPI_OLD_READY 0xfd
+
+/*****************************************************************************/
+
+/*
+ * Protocol version 2 for I2C and SPI send a request this way:
+ *
+ * 0 EC_CMD_VERSION0 + (command version)
+ * 1 Command number
+ * 2 Length of params = N
+ * 3..N+2 Params, if any
+ * N+3 8-bit checksum of bytes 0..N+2
+ *
+ * The corresponding response is:
+ *
+ * 0 Result code (EC_RES_*)
+ * 1 Length of params = M
+ * 2..M+1 Params, if any
+ * M+2 8-bit checksum of bytes 0..M+1
+ */
+#define EC_PROTO2_REQUEST_HEADER_BYTES 3
+#define EC_PROTO2_REQUEST_TRAILER_BYTES 1
+#define EC_PROTO2_REQUEST_OVERHEAD (EC_PROTO2_REQUEST_HEADER_BYTES + \
+ EC_PROTO2_REQUEST_TRAILER_BYTES)
+
+#define EC_PROTO2_RESPONSE_HEADER_BYTES 2
+#define EC_PROTO2_RESPONSE_TRAILER_BYTES 1
+#define EC_PROTO2_RESPONSE_OVERHEAD (EC_PROTO2_RESPONSE_HEADER_BYTES + \
+ EC_PROTO2_RESPONSE_TRAILER_BYTES)
+
+/* Parameter length was limited by the LPC interface */
+#define EC_PROTO2_MAX_PARAM_SIZE 0xfc
+
+/* Maximum request and response packet sizes for protocol version 2 */
+#define EC_PROTO2_MAX_REQUEST_SIZE (EC_PROTO2_REQUEST_OVERHEAD + \
+ EC_PROTO2_MAX_PARAM_SIZE)
+#define EC_PROTO2_MAX_RESPONSE_SIZE (EC_PROTO2_RESPONSE_OVERHEAD + \
+ EC_PROTO2_MAX_PARAM_SIZE)
+
+/*****************************************************************************/
+
+/*
+ * Value written to legacy command port / prefix byte to indicate protocol
+ * 3+ structs are being used. Usage is bus-dependent.
+ */
+#define EC_COMMAND_PROTOCOL_3 0xda
+
+#define EC_HOST_REQUEST_VERSION 3
+
+/**
+ * struct ec_host_request - Version 3 request from host.
+ * @struct_version: Should be 3. The EC will return EC_RES_INVALID_HEADER if it
+ * receives a header with a version it doesn't know how to
+ * parse.
+ * @checksum: Checksum of request and data; sum of all bytes including checksum
+ * should total to 0.
+ * @command: Command to send (EC_CMD_...)
+ * @command_version: Command version.
+ * @reserved: Unused byte in current protocol version; set to 0.
+ * @data_len: Length of data which follows this header.
+ */
+struct ec_host_request {
+ uint8_t struct_version;
+ uint8_t checksum;
+ uint16_t command;
+ uint8_t command_version;
+ uint8_t reserved;
+ uint16_t data_len;
+} __ec_align4;
+
+#define EC_HOST_RESPONSE_VERSION 3
+
+/**
+ * struct ec_host_response - Version 3 response from EC.
+ * @struct_version: Struct version (=3).
+ * @checksum: Checksum of response and data; sum of all bytes including
+ * checksum should total to 0.
+ * @result: EC's response to the command (separate from communication failure)
+ * @data_len: Length of data which follows this header.
+ * @reserved: Unused bytes in current protocol version; set to 0.
+ */
+struct ec_host_response {
+ uint8_t struct_version;
+ uint8_t checksum;
+ uint16_t result;
+ uint16_t data_len;
+ uint16_t reserved;
+} __ec_align4;
+
+/*****************************************************************************/
+
+/*
+ * Host command protocol V4.
+ *
+ * Packets always start with a request or response header. They are followed
+ * by data_len bytes of data. If the data_crc_present flag is set, the data
+ * bytes are followed by a CRC-8 of that data, using using x^8 + x^2 + x + 1
+ * polynomial.
+ *
+ * Host algorithm when sending a request q:
+ *
+ * 101) tries_left=(some value, e.g. 3);
+ * 102) q.seq_num++
+ * 103) q.seq_dup=0
+ * 104) Calculate q.header_crc.
+ * 105) Send request q to EC.
+ * 106) Wait for response r. Go to 201 if received or 301 if timeout.
+ *
+ * 201) If r.struct_version != 4, go to 301.
+ * 202) If r.header_crc mismatches calculated CRC for r header, go to 301.
+ * 203) If r.data_crc_present and r.data_crc mismatches, go to 301.
+ * 204) If r.seq_num != q.seq_num, go to 301.
+ * 205) If r.seq_dup == q.seq_dup, return success.
+ * 207) If r.seq_dup == 1, go to 301.
+ * 208) Return error.
+ *
+ * 301) If --tries_left <= 0, return error.
+ * 302) If q.seq_dup == 1, go to 105.
+ * 303) q.seq_dup = 1
+ * 304) Go to 104.
+ *
+ * EC algorithm when receiving a request q.
+ * EC has response buffer r, error buffer e.
+ *
+ * 101) If q.struct_version != 4, set e.result = EC_RES_INVALID_HEADER_VERSION
+ * and go to 301
+ * 102) If q.header_crc mismatches calculated CRC, set e.result =
+ * EC_RES_INVALID_HEADER_CRC and go to 301
+ * 103) If q.data_crc_present, calculate data CRC. If that mismatches the CRC
+ * byte at the end of the packet, set e.result = EC_RES_INVALID_DATA_CRC
+ * and go to 301.
+ * 104) If q.seq_dup == 0, go to 201.
+ * 105) If q.seq_num != r.seq_num, go to 201.
+ * 106) If q.seq_dup == r.seq_dup, go to 205, else go to 203.
+ *
+ * 201) Process request q into response r.
+ * 202) r.seq_num = q.seq_num
+ * 203) r.seq_dup = q.seq_dup
+ * 204) Calculate r.header_crc
+ * 205) If r.data_len > 0 and data is no longer available, set e.result =
+ * EC_RES_DUP_UNAVAILABLE and go to 301.
+ * 206) Send response r.
+ *
+ * 301) e.seq_num = q.seq_num
+ * 302) e.seq_dup = q.seq_dup
+ * 303) Calculate e.header_crc.
+ * 304) Send error response e.
+ */
+
+/* Version 4 request from host */
+struct ec_host_request4 {
+ /*
+ * bits 0-3: struct_version: Structure version (=4)
+ * bit 4: is_response: Is response (=0)
+ * bits 5-6: seq_num: Sequence number
+ * bit 7: seq_dup: Sequence duplicate flag
+ */
+ uint8_t fields0;
+
+ /*
+ * bits 0-4: command_version: Command version
+ * bits 5-6: Reserved (set 0, ignore on read)
+ * bit 7: data_crc_present: Is data CRC present after data
+ */
+ uint8_t fields1;
+
+ /* Command code (EC_CMD_*) */
+ uint16_t command;
+
+ /* Length of data which follows this header (not including data CRC) */
+ uint16_t data_len;
+
+ /* Reserved (set 0, ignore on read) */
+ uint8_t reserved;
+
+ /* CRC-8 of above fields, using x^8 + x^2 + x + 1 polynomial */
+ uint8_t header_crc;
+} __ec_align4;
+
+/* Version 4 response from EC */
+struct ec_host_response4 {
+ /*
+ * bits 0-3: struct_version: Structure version (=4)
+ * bit 4: is_response: Is response (=1)
+ * bits 5-6: seq_num: Sequence number
+ * bit 7: seq_dup: Sequence duplicate flag
+ */
+ uint8_t fields0;
+
+ /*
+ * bits 0-6: Reserved (set 0, ignore on read)
+ * bit 7: data_crc_present: Is data CRC present after data
+ */
+ uint8_t fields1;
+
+ /* Result code (EC_RES_*) */
+ uint16_t result;
+
+ /* Length of data which follows this header (not including data CRC) */
+ uint16_t data_len;
+
+ /* Reserved (set 0, ignore on read) */
+ uint8_t reserved;
+
+ /* CRC-8 of above fields, using x^8 + x^2 + x + 1 polynomial */
+ uint8_t header_crc;
+} __ec_align4;
+
+/* Fields in fields0 byte */
+#define EC_PACKET4_0_STRUCT_VERSION_MASK 0x0f
+#define EC_PACKET4_0_IS_RESPONSE_MASK 0x10
+#define EC_PACKET4_0_SEQ_NUM_SHIFT 5
+#define EC_PACKET4_0_SEQ_NUM_MASK 0x60
+#define EC_PACKET4_0_SEQ_DUP_MASK 0x80
+
+/* Fields in fields1 byte */
+#define EC_PACKET4_1_COMMAND_VERSION_MASK 0x1f /* (request only) */
+#define EC_PACKET4_1_DATA_CRC_PRESENT_MASK 0x80
+
+/*****************************************************************************/
+/*
+ * Notes on commands:
+ *
+ * Each command is an 16-bit command value. Commands which take params or
+ * return response data specify structures for that data. If no structure is
+ * specified, the command does not input or output data, respectively.
+ * Parameter/response length is implicit in the structs. Some underlying
+ * communication protocols (I2C, SPI) may add length or checksum headers, but
+ * those are implementation-dependent and not defined here.
+ *
+ * All commands MUST be #defined to be 4-digit UPPER CASE hex values
+ * (e.g., 0x00AB, not 0xab) for CONFIG_HOSTCMD_SECTION_SORTED to work.
+ */
+
+/*****************************************************************************/
+/* General / test commands */
+
+/*
+ * Get protocol version, used to deal with non-backward compatible protocol
+ * changes.
+ */
+#define EC_CMD_PROTO_VERSION 0x0000
+
+/**
+ * struct ec_response_proto_version - Response to the proto version command.
+ * @version: The protocol version.
+ */
+struct ec_response_proto_version {
+ uint32_t version;
+} __ec_align4;
+
+/*
+ * Hello. This is a simple command to test the EC is responsive to
+ * commands.
+ */
+#define EC_CMD_HELLO 0x0001
+
+/**
+ * struct ec_params_hello - Parameters to the hello command.
+ * @in_data: Pass anything here.
+ */
+struct ec_params_hello {
+ uint32_t in_data;
+} __ec_align4;
+
+/**
+ * struct ec_response_hello - Response to the hello command.
+ * @out_data: Output will be in_data + 0x01020304.
+ */
+struct ec_response_hello {
+ uint32_t out_data;
+} __ec_align4;
+
+/* Get version number */
+#define EC_CMD_GET_VERSION 0x0002
+
+enum ec_current_image {
+ EC_IMAGE_UNKNOWN = 0,
+ EC_IMAGE_RO,
+ EC_IMAGE_RW
+};
+
+/**
+ * struct ec_response_get_version - Response to the get version command.
+ * @version_string_ro: Null-terminated RO firmware version string.
+ * @version_string_rw: Null-terminated RW firmware version string.
+ * @reserved: Unused bytes; was previously RW-B firmware version string.
+ * @current_image: One of ec_current_image.
+ */
+struct ec_response_get_version {
+ char version_string_ro[32];
+ char version_string_rw[32];
+ char reserved[32];
+ uint32_t current_image;
+} __ec_align4;
+
+/* Read test */
+#define EC_CMD_READ_TEST 0x0003
+
+/**
+ * struct ec_params_read_test - Parameters for the read test command.
+ * @offset: Starting value for read buffer.
+ * @size: Size to read in bytes.
+ */
+struct ec_params_read_test {
+ uint32_t offset;
+ uint32_t size;
+} __ec_align4;
+
+/**
+ * struct ec_response_read_test - Response to the read test command.
+ * @data: Data returned by the read test command.
+ */
+struct ec_response_read_test {
+ uint32_t data[32];
+} __ec_align4;
+
+/*
+ * Get build information
+ *
+ * Response is null-terminated string.
+ */
+#define EC_CMD_GET_BUILD_INFO 0x0004
+
+/* Get chip info */
+#define EC_CMD_GET_CHIP_INFO 0x0005
+
+/**
+ * struct ec_response_get_chip_info - Response to the get chip info command.
+ * @vendor: Null-terminated string for chip vendor.
+ * @name: Null-terminated string for chip name.
+ * @revision: Null-terminated string for chip mask version.
+ */
+struct ec_response_get_chip_info {
+ char vendor[32];
+ char name[32];
+ char revision[32];
+} __ec_align4;
+
+/* Get board HW version */
+#define EC_CMD_GET_BOARD_VERSION 0x0006
+
+/**
+ * struct ec_response_board_version - Response to the board version command.
+ * @board_version: A monotonously incrementing number.
+ */
+struct ec_response_board_version {
+ uint16_t board_version;
+} __ec_align2;
+
+/*
+ * Read memory-mapped data.
+ *
+ * This is an alternate interface to memory-mapped data for bus protocols
+ * which don't support direct-mapped memory - I2C, SPI, etc.
+ *
+ * Response is params.size bytes of data.
+ */
+#define EC_CMD_READ_MEMMAP 0x0007
+
+/**
+ * struct ec_params_read_memmap - Parameters for the read memory map command.
+ * @offset: Offset in memmap (EC_MEMMAP_*).
+ * @size: Size to read in bytes.
+ */
+struct ec_params_read_memmap {
+ uint8_t offset;
+ uint8_t size;
+} __ec_align1;
+
+/* Read versions supported for a command */
+#define EC_CMD_GET_CMD_VERSIONS 0x0008
+
+/**
+ * struct ec_params_get_cmd_versions - Parameters for the get command versions.
+ * @cmd: Command to check.
+ */
+struct ec_params_get_cmd_versions {
+ uint8_t cmd;
+} __ec_align1;
+
+/**
+ * struct ec_params_get_cmd_versions_v1 - Parameters for the get command
+ * versions (v1)
+ * @cmd: Command to check.
+ */
+struct ec_params_get_cmd_versions_v1 {
+ uint16_t cmd;
+} __ec_align2;
+
+/**
+ * struct ec_response_get_cmd_version - Response to the get command versions.
+ * @version_mask: Mask of supported versions; use EC_VER_MASK() to compare with
+ * a desired version.
+ */
+struct ec_response_get_cmd_versions {
+ uint32_t version_mask;
+} __ec_align4;
+
+/*
+ * Check EC communications status (busy). This is needed on i2c/spi but not
+ * on lpc since it has its own out-of-band busy indicator.
+ *
+ * lpc must read the status from the command register. Attempting this on
+ * lpc will overwrite the args/parameter space and corrupt its data.
+ */
+#define EC_CMD_GET_COMMS_STATUS 0x0009
+
+/* Avoid using ec_status which is for return values */
+enum ec_comms_status {
+ EC_COMMS_STATUS_PROCESSING = BIT(0), /* Processing cmd */
+};
+
+/**
+ * struct ec_response_get_comms_status - Response to the get comms status
+ * command.
+ * @flags: Mask of enum ec_comms_status.
+ */
+struct ec_response_get_comms_status {
+ uint32_t flags; /* Mask of enum ec_comms_status */
+} __ec_align4;
+
+/* Fake a variety of responses, purely for testing purposes. */
+#define EC_CMD_TEST_PROTOCOL 0x000A
+
+/* Tell the EC what to send back to us. */
+struct ec_params_test_protocol {
+ uint32_t ec_result;
+ uint32_t ret_len;
+ uint8_t buf[32];
+} __ec_align4;
+
+/* Here it comes... */
+struct ec_response_test_protocol {
+ uint8_t buf[32];
+} __ec_align4;
+
+/* Get protocol information */
+#define EC_CMD_GET_PROTOCOL_INFO 0x000B
+
+/* Flags for ec_response_get_protocol_info.flags */
+/* EC_RES_IN_PROGRESS may be returned if a command is slow */
+#define EC_PROTOCOL_INFO_IN_PROGRESS_SUPPORTED BIT(0)
+
+/**
+ * struct ec_response_get_protocol_info - Response to the get protocol info.
+ * @protocol_versions: Bitmask of protocol versions supported (1 << n means
+ * version n).
+ * @max_request_packet_size: Maximum request packet size in bytes.
+ * @max_response_packet_size: Maximum response packet size in bytes.
+ * @flags: see EC_PROTOCOL_INFO_*
+ */
+struct ec_response_get_protocol_info {
+ /* Fields which exist if at least protocol version 3 supported */
+ uint32_t protocol_versions;
+ uint16_t max_request_packet_size;
+ uint16_t max_response_packet_size;
+ uint32_t flags;
+} __ec_align4;
+
+
+/*****************************************************************************/
+/* Get/Set miscellaneous values */
+
+/* The upper byte of .flags tells what to do (nothing means "get") */
+#define EC_GSV_SET 0x80000000
+
+/*
+ * The lower three bytes of .flags identifies the parameter, if that has
+ * meaning for an individual command.
+ */
+#define EC_GSV_PARAM_MASK 0x00ffffff
+
+struct ec_params_get_set_value {
+ uint32_t flags;
+ uint32_t value;
+} __ec_align4;
+
+struct ec_response_get_set_value {
+ uint32_t flags;
+ uint32_t value;
+} __ec_align4;
+
+/* More than one command can use these structs to get/set parameters. */
+#define EC_CMD_GSV_PAUSE_IN_S5 0x000C
+
+/*****************************************************************************/
+/* List the features supported by the firmware */
+#define EC_CMD_GET_FEATURES 0x000D
+
+/* Supported features */
+enum ec_feature_code {
+ /*
+ * This image contains a limited set of features. Another image
+ * in RW partition may support more features.
+ */
+ EC_FEATURE_LIMITED = 0,
+ /*
+ * Commands for probing/reading/writing/erasing the flash in the
+ * EC are present.
+ */
+ EC_FEATURE_FLASH = 1,
+ /*
+ * Can control the fan speed directly.
+ */
+ EC_FEATURE_PWM_FAN = 2,
+ /*
+ * Can control the intensity of the keyboard backlight.
+ */
+ EC_FEATURE_PWM_KEYB = 3,
+ /*
+ * Support Google lightbar, introduced on Pixel.
+ */
+ EC_FEATURE_LIGHTBAR = 4,
+ /* Control of LEDs */
+ EC_FEATURE_LED = 5,
+ /* Exposes an interface to control gyro and sensors.
+ * The host goes through the EC to access these sensors.
+ * In addition, the EC may provide composite sensors, like lid angle.
+ */
+ EC_FEATURE_MOTION_SENSE = 6,
+ /* The keyboard is controlled by the EC */
+ EC_FEATURE_KEYB = 7,
+ /* The AP can use part of the EC flash as persistent storage. */
+ EC_FEATURE_PSTORE = 8,
+ /* The EC monitors BIOS port 80h, and can return POST codes. */
+ EC_FEATURE_PORT80 = 9,
+ /*
+ * Thermal management: include TMP specific commands.
+ * Higher level than direct fan control.
+ */
+ EC_FEATURE_THERMAL = 10,
+ /* Can switch the screen backlight on/off */
+ EC_FEATURE_BKLIGHT_SWITCH = 11,
+ /* Can switch the wifi module on/off */
+ EC_FEATURE_WIFI_SWITCH = 12,
+ /* Monitor host events, through for example SMI or SCI */
+ EC_FEATURE_HOST_EVENTS = 13,
+ /* The EC exposes GPIO commands to control/monitor connected devices. */
+ EC_FEATURE_GPIO = 14,
+ /* The EC can send i2c messages to downstream devices. */
+ EC_FEATURE_I2C = 15,
+ /* Command to control charger are included */
+ EC_FEATURE_CHARGER = 16,
+ /* Simple battery support. */
+ EC_FEATURE_BATTERY = 17,
+ /*
+ * Support Smart battery protocol
+ * (Common Smart Battery System Interface Specification)
+ */
+ EC_FEATURE_SMART_BATTERY = 18,
+ /* EC can detect when the host hangs. */
+ EC_FEATURE_HANG_DETECT = 19,
+ /* Report power information, for pit only */
+ EC_FEATURE_PMU = 20,
+ /* Another Cros EC device is present downstream of this one */
+ EC_FEATURE_SUB_MCU = 21,
+ /* Support USB Power delivery (PD) commands */
+ EC_FEATURE_USB_PD = 22,
+ /* Control USB multiplexer, for audio through USB port for instance. */
+ EC_FEATURE_USB_MUX = 23,
+ /* Motion Sensor code has an internal software FIFO */
+ EC_FEATURE_MOTION_SENSE_FIFO = 24,
+ /* Support temporary secure vstore */
+ EC_FEATURE_VSTORE = 25,
+ /* EC decides on USB-C SS mux state, muxes configured by host */
+ EC_FEATURE_USBC_SS_MUX_VIRTUAL = 26,
+ /* EC has RTC feature that can be controlled by host commands */
+ EC_FEATURE_RTC = 27,
+ /* The MCU exposes a Fingerprint sensor */
+ EC_FEATURE_FINGERPRINT = 28,
+ /* The MCU exposes a Touchpad */
+ EC_FEATURE_TOUCHPAD = 29,
+ /* The MCU has RWSIG task enabled */
+ EC_FEATURE_RWSIG = 30,
+ /* EC has device events support */
+ EC_FEATURE_DEVICE_EVENT = 31,
+ /* EC supports the unified wake masks for LPC/eSPI systems */
+ EC_FEATURE_UNIFIED_WAKE_MASKS = 32,
+ /* EC supports 64-bit host events */
+ EC_FEATURE_HOST_EVENT64 = 33,
+ /* EC runs code in RAM (not in place, a.k.a. XIP) */
+ EC_FEATURE_EXEC_IN_RAM = 34,
+ /* EC supports CEC commands */
+ EC_FEATURE_CEC = 35,
+ /* EC supports tight sensor timestamping. */
+ EC_FEATURE_MOTION_SENSE_TIGHT_TIMESTAMPS = 36,
+ /*
+ * EC supports tablet mode detection aligned to Chrome and allows
+ * setting of threshold by host command using
+ * MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE.
+ */
+ EC_FEATURE_REFINED_TABLET_MODE_HYSTERESIS = 37,
+ /* EC supports audio codec. */
+ EC_FEATURE_AUDIO_CODEC = 38,
+ /* The MCU is a System Companion Processor (SCP). */
+ EC_FEATURE_SCP = 39,
+ /* The MCU is an Integrated Sensor Hub */
+ EC_FEATURE_ISH = 40,
+};
+
+#define EC_FEATURE_MASK_0(event_code) BIT(event_code % 32)
+#define EC_FEATURE_MASK_1(event_code) BIT(event_code - 32)
+
+struct ec_response_get_features {
+ uint32_t flags[2];
+} __ec_align4;
+
+/*****************************************************************************/
+/* Get the board's SKU ID from EC */
+#define EC_CMD_GET_SKU_ID 0x000E
+
+/* Set SKU ID from AP */
+#define EC_CMD_SET_SKU_ID 0x000F
+
+struct ec_sku_id_info {
+ uint32_t sku_id;
+} __ec_align4;
+
+/*****************************************************************************/
+/* Flash commands */
+
+/* Get flash info */
+#define EC_CMD_FLASH_INFO 0x0010
+#define EC_VER_FLASH_INFO 2
+
+/**
+ * struct ec_response_flash_info - Response to the flash info command.
+ * @flash_size: Usable flash size in bytes.
+ * @write_block_size: Write block size. Write offset and size must be a
+ * multiple of this.
+ * @erase_block_size: Erase block size. Erase offset and size must be a
+ * multiple of this.
+ * @protect_block_size: Protection block size. Protection offset and size
+ * must be a multiple of this.
+ *
+ * Version 0 returns these fields.
+ */
+struct ec_response_flash_info {
+ uint32_t flash_size;
+ uint32_t write_block_size;
+ uint32_t erase_block_size;
+ uint32_t protect_block_size;
+} __ec_align4;
+
+/*
+ * Flags for version 1+ flash info command
+ * EC flash erases bits to 0 instead of 1.
+ */
+#define EC_FLASH_INFO_ERASE_TO_0 BIT(0)
+
+/*
+ * Flash must be selected for read/write/erase operations to succeed. This may
+ * be necessary on a chip where write/erase can be corrupted by other board
+ * activity, or where the chip needs to enable some sort of programming voltage,
+ * or where the read/write/erase operations require cleanly suspending other
+ * chip functionality.
+ */
+#define EC_FLASH_INFO_SELECT_REQUIRED BIT(1)
+
+/**
+ * struct ec_response_flash_info_1 - Response to the flash info v1 command.
+ * @flash_size: Usable flash size in bytes.
+ * @write_block_size: Write block size. Write offset and size must be a
+ * multiple of this.
+ * @erase_block_size: Erase block size. Erase offset and size must be a
+ * multiple of this.
+ * @protect_block_size: Protection block size. Protection offset and size
+ * must be a multiple of this.
+ * @write_ideal_size: Ideal write size in bytes. Writes will be fastest if
+ * size is exactly this and offset is a multiple of this.
+ * For example, an EC may have a write buffer which can do
+ * half-page operations if data is aligned, and a slower
+ * word-at-a-time write mode.
+ * @flags: Flags; see EC_FLASH_INFO_*
+ *
+ * Version 1 returns the same initial fields as version 0, with additional
+ * fields following.
+ *
+ * gcc anonymous structs don't seem to get along with the __packed directive;
+ * if they did we'd define the version 0 structure as a sub-structure of this
+ * one.
+ *
+ * Version 2 supports flash banks of different sizes:
+ * The caller specified the number of banks it has preallocated
+ * (num_banks_desc)
+ * The EC returns the number of banks describing the flash memory.
+ * It adds banks descriptions up to num_banks_desc.
+ */
+struct ec_response_flash_info_1 {
+ /* Version 0 fields; see above for description */
+ uint32_t flash_size;
+ uint32_t write_block_size;
+ uint32_t erase_block_size;
+ uint32_t protect_block_size;
+
+ /* Version 1 adds these fields: */
+ uint32_t write_ideal_size;
+ uint32_t flags;
+} __ec_align4;
+
+struct ec_params_flash_info_2 {
+ /* Number of banks to describe */
+ uint16_t num_banks_desc;
+ /* Reserved; set 0; ignore on read */
+ uint8_t reserved[2];
+} __ec_align4;
+
+struct ec_flash_bank {
+ /* Number of sector is in this bank. */
+ uint16_t count;
+ /* Size in power of 2 of each sector (8 --> 256 bytes) */
+ uint8_t size_exp;
+ /* Minimal write size for the sectors in this bank */
+ uint8_t write_size_exp;
+ /* Erase size for the sectors in this bank */
+ uint8_t erase_size_exp;
+ /* Size for write protection, usually identical to erase size. */
+ uint8_t protect_size_exp;
+ /* Reserved; set 0; ignore on read */
+ uint8_t reserved[2];
+};
+
+struct ec_response_flash_info_2 {
+ /* Total flash in the EC. */
+ uint32_t flash_size;
+ /* Flags; see EC_FLASH_INFO_* */
+ uint32_t flags;
+ /* Maximum size to use to send data to write to the EC. */
+ uint32_t write_ideal_size;
+ /* Number of banks present in the EC. */
+ uint16_t num_banks_total;
+ /* Number of banks described in banks array. */
+ uint16_t num_banks_desc;
+ struct ec_flash_bank banks[0];
+} __ec_align4;
+
+/*
+ * Read flash
+ *
+ * Response is params.size bytes of data.
+ */
+#define EC_CMD_FLASH_READ 0x0011
+
+/**
+ * struct ec_params_flash_read - Parameters for the flash read command.
+ * @offset: Byte offset to read.
+ * @size: Size to read in bytes.
+ */
+struct ec_params_flash_read {
+ uint32_t offset;
+ uint32_t size;
+} __ec_align4;
+
+/* Write flash */
+#define EC_CMD_FLASH_WRITE 0x0012
+#define EC_VER_FLASH_WRITE 1
+
+/* Version 0 of the flash command supported only 64 bytes of data */
+#define EC_FLASH_WRITE_VER0_SIZE 64
+
+/**
+ * struct ec_params_flash_write - Parameters for the flash write command.
+ * @offset: Byte offset to write.
+ * @size: Size to write in bytes.
+ */
+struct ec_params_flash_write {
+ uint32_t offset;
+ uint32_t size;
+ /* Followed by data to write */
+} __ec_align4;
+
+/* Erase flash */
+#define EC_CMD_FLASH_ERASE 0x0013
+
+/**
+ * struct ec_params_flash_erase - Parameters for the flash erase command, v0.
+ * @offset: Byte offset to erase.
+ * @size: Size to erase in bytes.
+ */
+struct ec_params_flash_erase {
+ uint32_t offset;
+ uint32_t size;
+} __ec_align4;
+
+/*
+ * v1 add async erase:
+ * subcommands can returns:
+ * EC_RES_SUCCESS : erased (see ERASE_SECTOR_ASYNC case below).
+ * EC_RES_INVALID_PARAM : offset/size are not aligned on a erase boundary.
+ * EC_RES_ERROR : other errors.
+ * EC_RES_BUSY : an existing erase operation is in progress.
+ * EC_RES_ACCESS_DENIED: Trying to erase running image.
+ *
+ * When ERASE_SECTOR_ASYNC returns EC_RES_SUCCESS, the operation is just
+ * properly queued. The user must call ERASE_GET_RESULT subcommand to get
+ * the proper result.
+ * When ERASE_GET_RESULT returns EC_RES_BUSY, the caller must wait and send
+ * ERASE_GET_RESULT again to get the result of ERASE_SECTOR_ASYNC.
+ * ERASE_GET_RESULT command may timeout on EC where flash access is not
+ * permitted while erasing. (For instance, STM32F4).
+ */
+enum ec_flash_erase_cmd {
+ FLASH_ERASE_SECTOR, /* Erase and wait for result */
+ FLASH_ERASE_SECTOR_ASYNC, /* Erase and return immediately. */
+ FLASH_ERASE_GET_RESULT, /* Ask for last erase result */
+};
+
+/**
+ * struct ec_params_flash_erase_v1 - Parameters for the flash erase command, v1.
+ * @cmd: One of ec_flash_erase_cmd.
+ * @reserved: Pad byte; currently always contains 0.
+ * @flag: No flags defined yet; set to 0.
+ * @params: Same as v0 parameters.
+ */
+struct ec_params_flash_erase_v1 {
+ uint8_t cmd;
+ uint8_t reserved;
+ uint16_t flag;
+ struct ec_params_flash_erase params;
+} __ec_align4;
+
+/*
+ * Get/set flash protection.
+ *
+ * If mask!=0, sets/clear the requested bits of flags. Depending on the
+ * firmware write protect GPIO, not all flags will take effect immediately;
+ * some flags require a subsequent hard reset to take effect. Check the
+ * returned flags bits to see what actually happened.
+ *
+ * If mask=0, simply returns the current flags state.
+ */
+#define EC_CMD_FLASH_PROTECT 0x0015
+#define EC_VER_FLASH_PROTECT 1 /* Command version 1 */
+
+/* Flags for flash protection */
+/* RO flash code protected when the EC boots */
+#define EC_FLASH_PROTECT_RO_AT_BOOT BIT(0)
+/*
+ * RO flash code protected now. If this bit is set, at-boot status cannot
+ * be changed.
+ */
+#define EC_FLASH_PROTECT_RO_NOW BIT(1)
+/* Entire flash code protected now, until reboot. */
+#define EC_FLASH_PROTECT_ALL_NOW BIT(2)
+/* Flash write protect GPIO is asserted now */
+#define EC_FLASH_PROTECT_GPIO_ASSERTED BIT(3)
+/* Error - at least one bank of flash is stuck locked, and cannot be unlocked */
+#define EC_FLASH_PROTECT_ERROR_STUCK BIT(4)
+/*
+ * Error - flash protection is in inconsistent state. At least one bank of
+ * flash which should be protected is not protected. Usually fixed by
+ * re-requesting the desired flags, or by a hard reset if that fails.
+ */
+#define EC_FLASH_PROTECT_ERROR_INCONSISTENT BIT(5)
+/* Entire flash code protected when the EC boots */
+#define EC_FLASH_PROTECT_ALL_AT_BOOT BIT(6)
+/* RW flash code protected when the EC boots */
+#define EC_FLASH_PROTECT_RW_AT_BOOT BIT(7)
+/* RW flash code protected now. */
+#define EC_FLASH_PROTECT_RW_NOW BIT(8)
+/* Rollback information flash region protected when the EC boots */
+#define EC_FLASH_PROTECT_ROLLBACK_AT_BOOT BIT(9)
+/* Rollback information flash region protected now */
+#define EC_FLASH_PROTECT_ROLLBACK_NOW BIT(10)
+
+
+/**
+ * struct ec_params_flash_protect - Parameters for the flash protect command.
+ * @mask: Bits in flags to apply.
+ * @flags: New flags to apply.
+ */
+struct ec_params_flash_protect {
+ uint32_t mask;
+ uint32_t flags;
+} __ec_align4;
+
+/**
+ * struct ec_response_flash_protect - Response to the flash protect command.
+ * @flags: Current value of flash protect flags.
+ * @valid_flags: Flags which are valid on this platform. This allows the
+ * caller to distinguish between flags which aren't set vs. flags
+ * which can't be set on this platform.
+ * @writable_flags: Flags which can be changed given the current protection
+ * state.
+ */
+struct ec_response_flash_protect {
+ uint32_t flags;
+ uint32_t valid_flags;
+ uint32_t writable_flags;
+} __ec_align4;
+
+/*
+ * Note: commands 0x14 - 0x19 version 0 were old commands to get/set flash
+ * write protect. These commands may be reused with version > 0.
+ */
+
+/* Get the region offset/size */
+#define EC_CMD_FLASH_REGION_INFO 0x0016
+#define EC_VER_FLASH_REGION_INFO 1
+
+enum ec_flash_region {
+ /* Region which holds read-only EC image */
+ EC_FLASH_REGION_RO = 0,
+ /*
+ * Region which holds active RW image. 'Active' is different from
+ * 'running'. Active means 'scheduled-to-run'. Since RO image always
+ * scheduled to run, active/non-active applies only to RW images (for
+ * the same reason 'update' applies only to RW images. It's a state of
+ * an image on a flash. Running image can be RO, RW_A, RW_B but active
+ * image can only be RW_A or RW_B. In recovery mode, an active RW image
+ * doesn't enter 'running' state but it's still active on a flash.
+ */
+ EC_FLASH_REGION_ACTIVE,
+ /*
+ * Region which should be write-protected in the factory (a superset of
+ * EC_FLASH_REGION_RO)
+ */
+ EC_FLASH_REGION_WP_RO,
+ /* Region which holds updatable (non-active) RW image */
+ EC_FLASH_REGION_UPDATE,
+ /* Number of regions */
+ EC_FLASH_REGION_COUNT,
+};
+/*
+ * 'RW' is vague if there are multiple RW images; we mean the active one,
+ * so the old constant is deprecated.
+ */
+#define EC_FLASH_REGION_RW EC_FLASH_REGION_ACTIVE
+
+/**
+ * struct ec_params_flash_region_info - Parameters for the flash region info
+ * command.
+ * @region: Flash region; see EC_FLASH_REGION_*
+ */
+struct ec_params_flash_region_info {
+ uint32_t region;
+} __ec_align4;
+
+struct ec_response_flash_region_info {
+ uint32_t offset;
+ uint32_t size;
+} __ec_align4;
+
+/* Read/write VbNvContext */
+#define EC_CMD_VBNV_CONTEXT 0x0017
+#define EC_VER_VBNV_CONTEXT 1
+#define EC_VBNV_BLOCK_SIZE 16
+
+enum ec_vbnvcontext_op {
+ EC_VBNV_CONTEXT_OP_READ,
+ EC_VBNV_CONTEXT_OP_WRITE,
+};
+
+struct ec_params_vbnvcontext {
+ uint32_t op;
+ uint8_t block[EC_VBNV_BLOCK_SIZE];
+} __ec_align4;
+
+struct ec_response_vbnvcontext {
+ uint8_t block[EC_VBNV_BLOCK_SIZE];
+} __ec_align4;
+
+
+/* Get SPI flash information */
+#define EC_CMD_FLASH_SPI_INFO 0x0018
+
+struct ec_response_flash_spi_info {
+ /* JEDEC info from command 0x9F (manufacturer, memory type, size) */
+ uint8_t jedec[3];
+
+ /* Pad byte; currently always contains 0 */
+ uint8_t reserved0;
+
+ /* Manufacturer / device ID from command 0x90 */
+ uint8_t mfr_dev_id[2];
+
+ /* Status registers from command 0x05 and 0x35 */
+ uint8_t sr1, sr2;
+} __ec_align1;
+
+
+/* Select flash during flash operations */
+#define EC_CMD_FLASH_SELECT 0x0019
+
+/**
+ * struct ec_params_flash_select - Parameters for the flash select command.
+ * @select: 1 to select flash, 0 to deselect flash
+ */
+struct ec_params_flash_select {
+ uint8_t select;
+} __ec_align4;
+
+
+/*****************************************************************************/
+/* PWM commands */
+
+/* Get fan target RPM */
+#define EC_CMD_PWM_GET_FAN_TARGET_RPM 0x0020
+
+struct ec_response_pwm_get_fan_rpm {
+ uint32_t rpm;
+} __ec_align4;
+
+/* Set target fan RPM */
+#define EC_CMD_PWM_SET_FAN_TARGET_RPM 0x0021
+
+/* Version 0 of input params */
+struct ec_params_pwm_set_fan_target_rpm_v0 {
+ uint32_t rpm;
+} __ec_align4;
+
+/* Version 1 of input params */
+struct ec_params_pwm_set_fan_target_rpm_v1 {
+ uint32_t rpm;
+ uint8_t fan_idx;
+} __ec_align_size1;
+
+/* Get keyboard backlight */
+/* OBSOLETE - Use EC_CMD_PWM_SET_DUTY */
+#define EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT 0x0022
+
+struct ec_response_pwm_get_keyboard_backlight {
+ uint8_t percent;
+ uint8_t enabled;
+} __ec_align1;
+
+/* Set keyboard backlight */
+/* OBSOLETE - Use EC_CMD_PWM_SET_DUTY */
+#define EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT 0x0023
+
+struct ec_params_pwm_set_keyboard_backlight {
+ uint8_t percent;
+} __ec_align1;
+
+/* Set target fan PWM duty cycle */
+#define EC_CMD_PWM_SET_FAN_DUTY 0x0024
+
+/* Version 0 of input params */
+struct ec_params_pwm_set_fan_duty_v0 {
+ uint32_t percent;
+} __ec_align4;
+
+/* Version 1 of input params */
+struct ec_params_pwm_set_fan_duty_v1 {
+ uint32_t percent;
+ uint8_t fan_idx;
+} __ec_align_size1;
+
+#define EC_CMD_PWM_SET_DUTY 0x0025
+/* 16 bit duty cycle, 0xffff = 100% */
+#define EC_PWM_MAX_DUTY 0xffff
+
+enum ec_pwm_type {
+ /* All types, indexed by board-specific enum pwm_channel */
+ EC_PWM_TYPE_GENERIC = 0,
+ /* Keyboard backlight */
+ EC_PWM_TYPE_KB_LIGHT,
+ /* Display backlight */
+ EC_PWM_TYPE_DISPLAY_LIGHT,
+ EC_PWM_TYPE_COUNT,
+};
+
+struct ec_params_pwm_set_duty {
+ uint16_t duty; /* Duty cycle, EC_PWM_MAX_DUTY = 100% */
+ uint8_t pwm_type; /* ec_pwm_type */
+ uint8_t index; /* Type-specific index, or 0 if unique */
+} __ec_align4;
+
+#define EC_CMD_PWM_GET_DUTY 0x0026
+
+struct ec_params_pwm_get_duty {
+ uint8_t pwm_type; /* ec_pwm_type */
+ uint8_t index; /* Type-specific index, or 0 if unique */
+} __ec_align1;
+
+struct ec_response_pwm_get_duty {
+ uint16_t duty; /* Duty cycle, EC_PWM_MAX_DUTY = 100% */
+} __ec_align2;
+
+/*****************************************************************************/
+/*
+ * Lightbar commands. This looks worse than it is. Since we only use one HOST
+ * command to say "talk to the lightbar", we put the "and tell it to do X" part
+ * into a subcommand. We'll make separate structs for subcommands with
+ * different input args, so that we know how much to expect.
+ */
+#define EC_CMD_LIGHTBAR_CMD 0x0028
+
+struct rgb_s {
+ uint8_t r, g, b;
+} __ec_todo_unpacked;
+
+#define LB_BATTERY_LEVELS 4
+
+/*
+ * List of tweakable parameters. NOTE: It's __packed so it can be sent in a
+ * host command, but the alignment is the same regardless. Keep it that way.
+ */
+struct lightbar_params_v0 {
+ /* Timing */
+ int32_t google_ramp_up;
+ int32_t google_ramp_down;
+ int32_t s3s0_ramp_up;
+ int32_t s0_tick_delay[2]; /* AC=0/1 */
+ int32_t s0a_tick_delay[2]; /* AC=0/1 */
+ int32_t s0s3_ramp_down;
+ int32_t s3_sleep_for;
+ int32_t s3_ramp_up;
+ int32_t s3_ramp_down;
+
+ /* Oscillation */
+ uint8_t new_s0;
+ uint8_t osc_min[2]; /* AC=0/1 */
+ uint8_t osc_max[2]; /* AC=0/1 */
+ uint8_t w_ofs[2]; /* AC=0/1 */
+
+ /* Brightness limits based on the backlight and AC. */
+ uint8_t bright_bl_off_fixed[2]; /* AC=0/1 */
+ uint8_t bright_bl_on_min[2]; /* AC=0/1 */
+ uint8_t bright_bl_on_max[2]; /* AC=0/1 */
+
+ /* Battery level thresholds */
+ uint8_t battery_threshold[LB_BATTERY_LEVELS - 1];
+
+ /* Map [AC][battery_level] to color index */
+ uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */
+ uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */
+
+ /* Color palette */
+ struct rgb_s color[8]; /* 0-3 are Google colors */
+} __ec_todo_packed;
+
+struct lightbar_params_v1 {
+ /* Timing */
+ int32_t google_ramp_up;
+ int32_t google_ramp_down;
+ int32_t s3s0_ramp_up;
+ int32_t s0_tick_delay[2]; /* AC=0/1 */
+ int32_t s0a_tick_delay[2]; /* AC=0/1 */
+ int32_t s0s3_ramp_down;
+ int32_t s3_sleep_for;
+ int32_t s3_ramp_up;
+ int32_t s3_ramp_down;
+ int32_t s5_ramp_up;
+ int32_t s5_ramp_down;
+ int32_t tap_tick_delay;
+ int32_t tap_gate_delay;
+ int32_t tap_display_time;
+
+ /* Tap-for-battery params */
+ uint8_t tap_pct_red;
+ uint8_t tap_pct_green;
+ uint8_t tap_seg_min_on;
+ uint8_t tap_seg_max_on;
+ uint8_t tap_seg_osc;
+ uint8_t tap_idx[3];
+
+ /* Oscillation */
+ uint8_t osc_min[2]; /* AC=0/1 */
+ uint8_t osc_max[2]; /* AC=0/1 */
+ uint8_t w_ofs[2]; /* AC=0/1 */
+
+ /* Brightness limits based on the backlight and AC. */
+ uint8_t bright_bl_off_fixed[2]; /* AC=0/1 */
+ uint8_t bright_bl_on_min[2]; /* AC=0/1 */
+ uint8_t bright_bl_on_max[2]; /* AC=0/1 */
+
+ /* Battery level thresholds */
+ uint8_t battery_threshold[LB_BATTERY_LEVELS - 1];
+
+ /* Map [AC][battery_level] to color index */
+ uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */
+ uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */
+
+ /* s5: single color pulse on inhibited power-up */
+ uint8_t s5_idx;
+
+ /* Color palette */
+ struct rgb_s color[8]; /* 0-3 are Google colors */
+} __ec_todo_packed;
+
+/* Lightbar command params v2
+ * crbug.com/467716
+ *
+ * lightbar_parms_v1 was too big for i2c, therefore in v2, we split them up by
+ * logical groups to make it more manageable ( < 120 bytes).
+ *
+ * NOTE: Each of these groups must be less than 120 bytes.
+ */
+
+struct lightbar_params_v2_timing {
+ /* Timing */
+ int32_t google_ramp_up;
+ int32_t google_ramp_down;
+ int32_t s3s0_ramp_up;
+ int32_t s0_tick_delay[2]; /* AC=0/1 */
+ int32_t s0a_tick_delay[2]; /* AC=0/1 */
+ int32_t s0s3_ramp_down;
+ int32_t s3_sleep_for;
+ int32_t s3_ramp_up;
+ int32_t s3_ramp_down;
+ int32_t s5_ramp_up;
+ int32_t s5_ramp_down;
+ int32_t tap_tick_delay;
+ int32_t tap_gate_delay;
+ int32_t tap_display_time;
+} __ec_todo_packed;
+
+struct lightbar_params_v2_tap {
+ /* Tap-for-battery params */
+ uint8_t tap_pct_red;
+ uint8_t tap_pct_green;
+ uint8_t tap_seg_min_on;
+ uint8_t tap_seg_max_on;
+ uint8_t tap_seg_osc;
+ uint8_t tap_idx[3];
+} __ec_todo_packed;
+
+struct lightbar_params_v2_oscillation {
+ /* Oscillation */
+ uint8_t osc_min[2]; /* AC=0/1 */
+ uint8_t osc_max[2]; /* AC=0/1 */
+ uint8_t w_ofs[2]; /* AC=0/1 */
+} __ec_todo_packed;
+
+struct lightbar_params_v2_brightness {
+ /* Brightness limits based on the backlight and AC. */
+ uint8_t bright_bl_off_fixed[2]; /* AC=0/1 */
+ uint8_t bright_bl_on_min[2]; /* AC=0/1 */
+ uint8_t bright_bl_on_max[2]; /* AC=0/1 */
+} __ec_todo_packed;
+
+struct lightbar_params_v2_thresholds {
+ /* Battery level thresholds */
+ uint8_t battery_threshold[LB_BATTERY_LEVELS - 1];
+} __ec_todo_packed;
+
+struct lightbar_params_v2_colors {
+ /* Map [AC][battery_level] to color index */
+ uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */
+ uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */
+
+ /* s5: single color pulse on inhibited power-up */
+ uint8_t s5_idx;
+
+ /* Color palette */
+ struct rgb_s color[8]; /* 0-3 are Google colors */
+} __ec_todo_packed;
+
+/* Lightbar program. */
+#define EC_LB_PROG_LEN 192
+struct lightbar_program {
+ uint8_t size;
+ uint8_t data[EC_LB_PROG_LEN];
+} __ec_todo_unpacked;
+
+struct ec_params_lightbar {
+ uint8_t cmd; /* Command (see enum lightbar_command) */
+ union {
+ /*
+ * The following commands have no args:
+ *
+ * dump, off, on, init, get_seq, get_params_v0, get_params_v1,
+ * version, get_brightness, get_demo, suspend, resume,
+ * get_params_v2_timing, get_params_v2_tap, get_params_v2_osc,
+ * get_params_v2_bright, get_params_v2_thlds,
+ * get_params_v2_colors
+ *
+ * Don't use an empty struct, because C++ hates that.
+ */
+
+ struct __ec_todo_unpacked {
+ uint8_t num;
+ } set_brightness, seq, demo;
+
+ struct __ec_todo_unpacked {
+ uint8_t ctrl, reg, value;
+ } reg;
+
+ struct __ec_todo_unpacked {
+ uint8_t led, red, green, blue;
+ } set_rgb;
+
+ struct __ec_todo_unpacked {
+ uint8_t led;
+ } get_rgb;
+
+ struct __ec_todo_unpacked {
+ uint8_t enable;
+ } manual_suspend_ctrl;
+
+ struct lightbar_params_v0 set_params_v0;
+ struct lightbar_params_v1 set_params_v1;
+
+ struct lightbar_params_v2_timing set_v2par_timing;
+ struct lightbar_params_v2_tap set_v2par_tap;
+ struct lightbar_params_v2_oscillation set_v2par_osc;
+ struct lightbar_params_v2_brightness set_v2par_bright;
+ struct lightbar_params_v2_thresholds set_v2par_thlds;
+ struct lightbar_params_v2_colors set_v2par_colors;
+
+ struct lightbar_program set_program;
+ };
+} __ec_todo_packed;
+
+struct ec_response_lightbar {
+ union {
+ struct __ec_todo_unpacked {
+ struct __ec_todo_unpacked {
+ uint8_t reg;
+ uint8_t ic0;
+ uint8_t ic1;
+ } vals[23];
+ } dump;
+
+ struct __ec_todo_unpacked {
+ uint8_t num;
+ } get_seq, get_brightness, get_demo;
+
+ struct lightbar_params_v0 get_params_v0;
+ struct lightbar_params_v1 get_params_v1;
+
+
+ struct lightbar_params_v2_timing get_params_v2_timing;
+ struct lightbar_params_v2_tap get_params_v2_tap;
+ struct lightbar_params_v2_oscillation get_params_v2_osc;
+ struct lightbar_params_v2_brightness get_params_v2_bright;
+ struct lightbar_params_v2_thresholds get_params_v2_thlds;
+ struct lightbar_params_v2_colors get_params_v2_colors;
+
+ struct __ec_todo_unpacked {
+ uint32_t num;
+ uint32_t flags;
+ } version;
+
+ struct __ec_todo_unpacked {
+ uint8_t red, green, blue;
+ } get_rgb;
+
+ /*
+ * The following commands have no response:
+ *
+ * off, on, init, set_brightness, seq, reg, set_rgb, demo,
+ * set_params_v0, set_params_v1, set_program,
+ * manual_suspend_ctrl, suspend, resume, set_v2par_timing,
+ * set_v2par_tap, set_v2par_osc, set_v2par_bright,
+ * set_v2par_thlds, set_v2par_colors
+ */
+ };
+} __ec_todo_packed;
+
+/* Lightbar commands */
+enum lightbar_command {
+ LIGHTBAR_CMD_DUMP = 0,
+ LIGHTBAR_CMD_OFF = 1,
+ LIGHTBAR_CMD_ON = 2,
+ LIGHTBAR_CMD_INIT = 3,
+ LIGHTBAR_CMD_SET_BRIGHTNESS = 4,
+ LIGHTBAR_CMD_SEQ = 5,
+ LIGHTBAR_CMD_REG = 6,
+ LIGHTBAR_CMD_SET_RGB = 7,
+ LIGHTBAR_CMD_GET_SEQ = 8,
+ LIGHTBAR_CMD_DEMO = 9,
+ LIGHTBAR_CMD_GET_PARAMS_V0 = 10,
+ LIGHTBAR_CMD_SET_PARAMS_V0 = 11,
+ LIGHTBAR_CMD_VERSION = 12,
+ LIGHTBAR_CMD_GET_BRIGHTNESS = 13,
+ LIGHTBAR_CMD_GET_RGB = 14,
+ LIGHTBAR_CMD_GET_DEMO = 15,
+ LIGHTBAR_CMD_GET_PARAMS_V1 = 16,
+ LIGHTBAR_CMD_SET_PARAMS_V1 = 17,
+ LIGHTBAR_CMD_SET_PROGRAM = 18,
+ LIGHTBAR_CMD_MANUAL_SUSPEND_CTRL = 19,
+ LIGHTBAR_CMD_SUSPEND = 20,
+ LIGHTBAR_CMD_RESUME = 21,
+ LIGHTBAR_CMD_GET_PARAMS_V2_TIMING = 22,
+ LIGHTBAR_CMD_SET_PARAMS_V2_TIMING = 23,
+ LIGHTBAR_CMD_GET_PARAMS_V2_TAP = 24,
+ LIGHTBAR_CMD_SET_PARAMS_V2_TAP = 25,
+ LIGHTBAR_CMD_GET_PARAMS_V2_OSCILLATION = 26,
+ LIGHTBAR_CMD_SET_PARAMS_V2_OSCILLATION = 27,
+ LIGHTBAR_CMD_GET_PARAMS_V2_BRIGHTNESS = 28,
+ LIGHTBAR_CMD_SET_PARAMS_V2_BRIGHTNESS = 29,
+ LIGHTBAR_CMD_GET_PARAMS_V2_THRESHOLDS = 30,
+ LIGHTBAR_CMD_SET_PARAMS_V2_THRESHOLDS = 31,
+ LIGHTBAR_CMD_GET_PARAMS_V2_COLORS = 32,
+ LIGHTBAR_CMD_SET_PARAMS_V2_COLORS = 33,
+ LIGHTBAR_NUM_CMDS
+};
+
+/*****************************************************************************/
+/* LED control commands */
+
+#define EC_CMD_LED_CONTROL 0x0029
+
+enum ec_led_id {
+ /* LED to indicate battery state of charge */
+ EC_LED_ID_BATTERY_LED = 0,
+ /*
+ * LED to indicate system power state (on or in suspend).
+ * May be on power button or on C-panel.
+ */
+ EC_LED_ID_POWER_LED,
+ /* LED on power adapter or its plug */
+ EC_LED_ID_ADAPTER_LED,
+ /* LED to indicate left side */
+ EC_LED_ID_LEFT_LED,
+ /* LED to indicate right side */
+ EC_LED_ID_RIGHT_LED,
+ /* LED to indicate recovery mode with HW_REINIT */
+ EC_LED_ID_RECOVERY_HW_REINIT_LED,
+ /* LED to indicate sysrq debug mode. */
+ EC_LED_ID_SYSRQ_DEBUG_LED,
+
+ EC_LED_ID_COUNT
+};
+
+/* LED control flags */
+#define EC_LED_FLAGS_QUERY BIT(0) /* Query LED capability only */
+#define EC_LED_FLAGS_AUTO BIT(1) /* Switch LED back to automatic control */
+
+enum ec_led_colors {
+ EC_LED_COLOR_RED = 0,
+ EC_LED_COLOR_GREEN,
+ EC_LED_COLOR_BLUE,
+ EC_LED_COLOR_YELLOW,
+ EC_LED_COLOR_WHITE,
+ EC_LED_COLOR_AMBER,
+
+ EC_LED_COLOR_COUNT
+};
+
+struct ec_params_led_control {
+ uint8_t led_id; /* Which LED to control */
+ uint8_t flags; /* Control flags */
+
+ uint8_t brightness[EC_LED_COLOR_COUNT];
+} __ec_align1;
+
+struct ec_response_led_control {
+ /*
+ * Available brightness value range.
+ *
+ * Range 0 means color channel not present.
+ * Range 1 means on/off control.
+ * Other values means the LED is control by PWM.
+ */
+ uint8_t brightness_range[EC_LED_COLOR_COUNT];
+} __ec_align1;
+
+/*****************************************************************************/
+/* Verified boot commands */
+
+/*
+ * Note: command code 0x29 version 0 was VBOOT_CMD in Link EVT; it may be
+ * reused for other purposes with version > 0.
+ */
+
+/* Verified boot hash command */
+#define EC_CMD_VBOOT_HASH 0x002A
+
+struct ec_params_vboot_hash {
+ uint8_t cmd; /* enum ec_vboot_hash_cmd */
+ uint8_t hash_type; /* enum ec_vboot_hash_type */
+ uint8_t nonce_size; /* Nonce size; may be 0 */
+ uint8_t reserved0; /* Reserved; set 0 */
+ uint32_t offset; /* Offset in flash to hash */
+ uint32_t size; /* Number of bytes to hash */
+ uint8_t nonce_data[64]; /* Nonce data; ignored if nonce_size=0 */
+} __ec_align4;
+
+struct ec_response_vboot_hash {
+ uint8_t status; /* enum ec_vboot_hash_status */
+ uint8_t hash_type; /* enum ec_vboot_hash_type */
+ uint8_t digest_size; /* Size of hash digest in bytes */
+ uint8_t reserved0; /* Ignore; will be 0 */
+ uint32_t offset; /* Offset in flash which was hashed */
+ uint32_t size; /* Number of bytes hashed */
+ uint8_t hash_digest[64]; /* Hash digest data */
+} __ec_align4;
+
+enum ec_vboot_hash_cmd {
+ EC_VBOOT_HASH_GET = 0, /* Get current hash status */
+ EC_VBOOT_HASH_ABORT = 1, /* Abort calculating current hash */
+ EC_VBOOT_HASH_START = 2, /* Start computing a new hash */
+ EC_VBOOT_HASH_RECALC = 3, /* Synchronously compute a new hash */
+};
+
+enum ec_vboot_hash_type {
+ EC_VBOOT_HASH_TYPE_SHA256 = 0, /* SHA-256 */
+};
+
+enum ec_vboot_hash_status {
+ EC_VBOOT_HASH_STATUS_NONE = 0, /* No hash (not started, or aborted) */
+ EC_VBOOT_HASH_STATUS_DONE = 1, /* Finished computing a hash */
+ EC_VBOOT_HASH_STATUS_BUSY = 2, /* Busy computing a hash */
+};
+
+/*
+ * Special values for offset for EC_VBOOT_HASH_START and EC_VBOOT_HASH_RECALC.
+ * If one of these is specified, the EC will automatically update offset and
+ * size to the correct values for the specified image (RO or RW).
+ */
+#define EC_VBOOT_HASH_OFFSET_RO 0xfffffffe
+#define EC_VBOOT_HASH_OFFSET_ACTIVE 0xfffffffd
+#define EC_VBOOT_HASH_OFFSET_UPDATE 0xfffffffc
+
+/*
+ * 'RW' is vague if there are multiple RW images; we mean the active one,
+ * so the old constant is deprecated.
+ */
+#define EC_VBOOT_HASH_OFFSET_RW EC_VBOOT_HASH_OFFSET_ACTIVE
+
+/*****************************************************************************/
+/*
+ * Motion sense commands. We'll make separate structs for sub-commands with
+ * different input args, so that we know how much to expect.
+ */
+#define EC_CMD_MOTION_SENSE_CMD 0x002B
+
+/* Motion sense commands */
+enum motionsense_command {
+ /*
+ * Dump command returns all motion sensor data including motion sense
+ * module flags and individual sensor flags.
+ */
+ MOTIONSENSE_CMD_DUMP = 0,
+
+ /*
+ * Info command returns data describing the details of a given sensor,
+ * including enum motionsensor_type, enum motionsensor_location, and
+ * enum motionsensor_chip.
+ */
+ MOTIONSENSE_CMD_INFO = 1,
+
+ /*
+ * EC Rate command is a setter/getter command for the EC sampling rate
+ * in milliseconds.
+ * It is per sensor, the EC run sample task at the minimum of all
+ * sensors EC_RATE.
+ * For sensors without hardware FIFO, EC_RATE should be equals to 1/ODR
+ * to collect all the sensor samples.
+ * For sensor with hardware FIFO, EC_RATE is used as the maximal delay
+ * to process of all motion sensors in milliseconds.
+ */
+ MOTIONSENSE_CMD_EC_RATE = 2,
+
+ /*
+ * Sensor ODR command is a setter/getter command for the output data
+ * rate of a specific motion sensor in millihertz.
+ */
+ MOTIONSENSE_CMD_SENSOR_ODR = 3,
+
+ /*
+ * Sensor range command is a setter/getter command for the range of
+ * a specified motion sensor in +/-G's or +/- deg/s.
+ */
+ MOTIONSENSE_CMD_SENSOR_RANGE = 4,
+
+ /*
+ * Setter/getter command for the keyboard wake angle. When the lid
+ * angle is greater than this value, keyboard wake is disabled in S3,
+ * and when the lid angle goes less than this value, keyboard wake is
+ * enabled. Note, the lid angle measurement is an approximate,
+ * un-calibrated value, hence the wake angle isn't exact.
+ */
+ MOTIONSENSE_CMD_KB_WAKE_ANGLE = 5,
+
+ /*
+ * Returns a single sensor data.
+ */
+ MOTIONSENSE_CMD_DATA = 6,
+
+ /*
+ * Return sensor fifo info.
+ */
+ MOTIONSENSE_CMD_FIFO_INFO = 7,
+
+ /*
+ * Insert a flush element in the fifo and return sensor fifo info.
+ * The host can use that element to synchronize its operation.
+ */
+ MOTIONSENSE_CMD_FIFO_FLUSH = 8,
+
+ /*
+ * Return a portion of the fifo.
+ */
+ MOTIONSENSE_CMD_FIFO_READ = 9,
+
+ /*
+ * Perform low level calibration.
+ * On sensors that support it, ask to do offset calibration.
+ */
+ MOTIONSENSE_CMD_PERFORM_CALIB = 10,
+
+ /*
+ * Sensor Offset command is a setter/getter command for the offset
+ * used for calibration.
+ * The offsets can be calculated by the host, or via
+ * PERFORM_CALIB command.
+ */
+ MOTIONSENSE_CMD_SENSOR_OFFSET = 11,
+
+ /*
+ * List available activities for a MOTION sensor.
+ * Indicates if they are enabled or disabled.
+ */
+ MOTIONSENSE_CMD_LIST_ACTIVITIES = 12,
+
+ /*
+ * Activity management
+ * Enable/Disable activity recognition.
+ */
+ MOTIONSENSE_CMD_SET_ACTIVITY = 13,
+
+ /*
+ * Lid Angle
+ */
+ MOTIONSENSE_CMD_LID_ANGLE = 14,
+
+ /*
+ * Allow the FIFO to trigger interrupt via MKBP events.
+ * By default the FIFO does not send interrupt to process the FIFO
+ * until the AP is ready or it is coming from a wakeup sensor.
+ */
+ MOTIONSENSE_CMD_FIFO_INT_ENABLE = 15,
+
+ /*
+ * Spoof the readings of the sensors. The spoofed readings can be set
+ * to arbitrary values, or will lock to the last read actual values.
+ */
+ MOTIONSENSE_CMD_SPOOF = 16,
+
+ /* Set lid angle for tablet mode detection. */
+ MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE = 17,
+
+ /*
+ * Sensor Scale command is a setter/getter command for the calibration
+ * scale.
+ */
+ MOTIONSENSE_CMD_SENSOR_SCALE = 18,
+
+ /* Number of motionsense sub-commands. */
+ MOTIONSENSE_NUM_CMDS
+};
+
+/* List of motion sensor types. */
+enum motionsensor_type {
+ MOTIONSENSE_TYPE_ACCEL = 0,
+ MOTIONSENSE_TYPE_GYRO = 1,
+ MOTIONSENSE_TYPE_MAG = 2,
+ MOTIONSENSE_TYPE_PROX = 3,
+ MOTIONSENSE_TYPE_LIGHT = 4,
+ MOTIONSENSE_TYPE_ACTIVITY = 5,
+ MOTIONSENSE_TYPE_BARO = 6,
+ MOTIONSENSE_TYPE_SYNC = 7,
+ MOTIONSENSE_TYPE_MAX,
+};
+
+/* List of motion sensor locations. */
+enum motionsensor_location {
+ MOTIONSENSE_LOC_BASE = 0,
+ MOTIONSENSE_LOC_LID = 1,
+ MOTIONSENSE_LOC_CAMERA = 2,
+ MOTIONSENSE_LOC_MAX,
+};
+
+/* List of motion sensor chips. */
+enum motionsensor_chip {
+ MOTIONSENSE_CHIP_KXCJ9 = 0,
+ MOTIONSENSE_CHIP_LSM6DS0 = 1,
+ MOTIONSENSE_CHIP_BMI160 = 2,
+ MOTIONSENSE_CHIP_SI1141 = 3,
+ MOTIONSENSE_CHIP_SI1142 = 4,
+ MOTIONSENSE_CHIP_SI1143 = 5,
+ MOTIONSENSE_CHIP_KX022 = 6,
+ MOTIONSENSE_CHIP_L3GD20H = 7,
+ MOTIONSENSE_CHIP_BMA255 = 8,
+ MOTIONSENSE_CHIP_BMP280 = 9,
+ MOTIONSENSE_CHIP_OPT3001 = 10,
+ MOTIONSENSE_CHIP_BH1730 = 11,
+ MOTIONSENSE_CHIP_GPIO = 12,
+ MOTIONSENSE_CHIP_LIS2DH = 13,
+ MOTIONSENSE_CHIP_LSM6DSM = 14,
+ MOTIONSENSE_CHIP_LIS2DE = 15,
+ MOTIONSENSE_CHIP_LIS2MDL = 16,
+ MOTIONSENSE_CHIP_LSM6DS3 = 17,
+ MOTIONSENSE_CHIP_LSM6DSO = 18,
+ MOTIONSENSE_CHIP_LNG2DM = 19,
+ MOTIONSENSE_CHIP_MAX,
+};
+
+/* List of orientation positions */
+enum motionsensor_orientation {
+ MOTIONSENSE_ORIENTATION_LANDSCAPE = 0,
+ MOTIONSENSE_ORIENTATION_PORTRAIT = 1,
+ MOTIONSENSE_ORIENTATION_UPSIDE_DOWN_PORTRAIT = 2,
+ MOTIONSENSE_ORIENTATION_UPSIDE_DOWN_LANDSCAPE = 3,
+ MOTIONSENSE_ORIENTATION_UNKNOWN = 4,
+};
+
+struct ec_response_motion_sensor_data {
+ /* Flags for each sensor. */
+ uint8_t flags;
+ /* Sensor number the data comes from. */
+ uint8_t sensor_num;
+ /* Each sensor is up to 3-axis. */
+ union {
+ int16_t data[3];
+ struct __ec_todo_packed {
+ uint16_t reserved;
+ uint32_t timestamp;
+ };
+ struct __ec_todo_unpacked {
+ uint8_t activity; /* motionsensor_activity */
+ uint8_t state;
+ int16_t add_info[2];
+ };
+ };
+} __ec_todo_packed;
+
+/* Note: used in ec_response_get_next_data */
+struct ec_response_motion_sense_fifo_info {
+ /* Size of the fifo */
+ uint16_t size;
+ /* Amount of space used in the fifo */
+ uint16_t count;
+ /* Timestamp recorded in us.
+ * aka accurate timestamp when host event was triggered.
+ */
+ uint32_t timestamp;
+ /* Total amount of vector lost */
+ uint16_t total_lost;
+ /* Lost events since the last fifo_info, per sensors */
+ uint16_t lost[0];
+} __ec_todo_packed;
+
+struct ec_response_motion_sense_fifo_data {
+ uint32_t number_data;
+ struct ec_response_motion_sensor_data data[0];
+} __ec_todo_packed;
+
+/* List supported activity recognition */
+enum motionsensor_activity {
+ MOTIONSENSE_ACTIVITY_RESERVED = 0,
+ MOTIONSENSE_ACTIVITY_SIG_MOTION = 1,
+ MOTIONSENSE_ACTIVITY_DOUBLE_TAP = 2,
+ MOTIONSENSE_ACTIVITY_ORIENTATION = 3,
+};
+
+struct ec_motion_sense_activity {
+ uint8_t sensor_num;
+ uint8_t activity; /* one of enum motionsensor_activity */
+ uint8_t enable; /* 1: enable, 0: disable */
+ uint8_t reserved;
+ uint16_t parameters[3]; /* activity dependent parameters */
+} __ec_todo_unpacked;
+
+/* Module flag masks used for the dump sub-command. */
+#define MOTIONSENSE_MODULE_FLAG_ACTIVE BIT(0)
+
+/* Sensor flag masks used for the dump sub-command. */
+#define MOTIONSENSE_SENSOR_FLAG_PRESENT BIT(0)
+
+/*
+ * Flush entry for synchronization.
+ * data contains time stamp
+ */
+#define MOTIONSENSE_SENSOR_FLAG_FLUSH BIT(0)
+#define MOTIONSENSE_SENSOR_FLAG_TIMESTAMP BIT(1)
+#define MOTIONSENSE_SENSOR_FLAG_WAKEUP BIT(2)
+#define MOTIONSENSE_SENSOR_FLAG_TABLET_MODE BIT(3)
+#define MOTIONSENSE_SENSOR_FLAG_ODR BIT(4)
+
+/*
+ * Send this value for the data element to only perform a read. If you
+ * send any other value, the EC will interpret it as data to set and will
+ * return the actual value set.
+ */
+#define EC_MOTION_SENSE_NO_VALUE -1
+
+#define EC_MOTION_SENSE_INVALID_CALIB_TEMP 0x8000
+
+/* MOTIONSENSE_CMD_SENSOR_OFFSET subcommand flag */
+/* Set Calibration information */
+#define MOTION_SENSE_SET_OFFSET BIT(0)
+
+/* Default Scale value, factor 1. */
+#define MOTION_SENSE_DEFAULT_SCALE BIT(15)
+
+#define LID_ANGLE_UNRELIABLE 500
+
+enum motionsense_spoof_mode {
+ /* Disable spoof mode. */
+ MOTIONSENSE_SPOOF_MODE_DISABLE = 0,
+
+ /* Enable spoof mode, but use provided component values. */
+ MOTIONSENSE_SPOOF_MODE_CUSTOM,
+
+ /* Enable spoof mode, but use the current sensor values. */
+ MOTIONSENSE_SPOOF_MODE_LOCK_CURRENT,
+
+ /* Query the current spoof mode status for the sensor. */
+ MOTIONSENSE_SPOOF_MODE_QUERY,
+};
+
+struct ec_params_motion_sense {
+ uint8_t cmd;
+ union {
+ /* Used for MOTIONSENSE_CMD_DUMP. */
+ struct __ec_todo_unpacked {
+ /*
+ * Maximal number of sensor the host is expecting.
+ * 0 means the host is only interested in the number
+ * of sensors controlled by the EC.
+ */
+ uint8_t max_sensor_count;
+ } dump;
+
+ /*
+ * Used for MOTIONSENSE_CMD_KB_WAKE_ANGLE.
+ */
+ struct __ec_todo_unpacked {
+ /* Data to set or EC_MOTION_SENSE_NO_VALUE to read.
+ * kb_wake_angle: angle to wakup AP.
+ */
+ int16_t data;
+ } kb_wake_angle;
+
+ /*
+ * Used for MOTIONSENSE_CMD_INFO, MOTIONSENSE_CMD_DATA
+ * and MOTIONSENSE_CMD_PERFORM_CALIB.
+ */
+ struct __ec_todo_unpacked {
+ uint8_t sensor_num;
+ } info, info_3, data, fifo_flush, perform_calib,
+ list_activities;
+
+ /*
+ * Used for MOTIONSENSE_CMD_EC_RATE, MOTIONSENSE_CMD_SENSOR_ODR
+ * and MOTIONSENSE_CMD_SENSOR_RANGE.
+ */
+ struct __ec_todo_unpacked {
+ uint8_t sensor_num;
+
+ /* Rounding flag, true for round-up, false for down. */
+ uint8_t roundup;
+
+ uint16_t reserved;
+
+ /* Data to set or EC_MOTION_SENSE_NO_VALUE to read. */
+ int32_t data;
+ } ec_rate, sensor_odr, sensor_range;
+
+ /* Used for MOTIONSENSE_CMD_SENSOR_OFFSET */
+ struct __ec_todo_packed {
+ uint8_t sensor_num;
+
+ /*
+ * bit 0: If set (MOTION_SENSE_SET_OFFSET), set
+ * the calibration information in the EC.
+ * If unset, just retrieve calibration information.
+ */
+ uint16_t flags;
+
+ /*
+ * Temperature at calibration, in units of 0.01 C
+ * 0x8000: invalid / unknown.
+ * 0x0: 0C
+ * 0x7fff: +327.67C
+ */
+ int16_t temp;
+
+ /*
+ * Offset for calibration.
+ * Unit:
+ * Accelerometer: 1/1024 g
+ * Gyro: 1/1024 deg/s
+ * Compass: 1/16 uT
+ */
+ int16_t offset[3];
+ } sensor_offset;
+
+ /* Used for MOTIONSENSE_CMD_SENSOR_SCALE */
+ struct __ec_todo_packed {
+ uint8_t sensor_num;
+
+ /*
+ * bit 0: If set (MOTION_SENSE_SET_OFFSET), set
+ * the calibration information in the EC.
+ * If unset, just retrieve calibration information.
+ */
+ uint16_t flags;
+
+ /*
+ * Temperature at calibration, in units of 0.01 C
+ * 0x8000: invalid / unknown.
+ * 0x0: 0C
+ * 0x7fff: +327.67C
+ */
+ int16_t temp;
+
+ /*
+ * Scale for calibration:
+ * By default scale is 1, it is encoded on 16bits:
+ * 1 = BIT(15)
+ * ~2 = 0xFFFF
+ * ~0 = 0.
+ */
+ uint16_t scale[3];
+ } sensor_scale;
+
+
+ /* Used for MOTIONSENSE_CMD_FIFO_INFO */
+ /* (no params) */
+
+ /* Used for MOTIONSENSE_CMD_FIFO_READ */
+ struct __ec_todo_unpacked {
+ /*
+ * Number of expected vector to return.
+ * EC may return less or 0 if none available.
+ */
+ uint32_t max_data_vector;
+ } fifo_read;
+
+ struct ec_motion_sense_activity set_activity;
+
+ /* Used for MOTIONSENSE_CMD_LID_ANGLE */
+ /* (no params) */
+
+ /* Used for MOTIONSENSE_CMD_FIFO_INT_ENABLE */
+ struct __ec_todo_unpacked {
+ /*
+ * 1: enable, 0 disable fifo,
+ * EC_MOTION_SENSE_NO_VALUE return value.
+ */
+ int8_t enable;
+ } fifo_int_enable;
+
+ /* Used for MOTIONSENSE_CMD_SPOOF */
+ struct __ec_todo_packed {
+ uint8_t sensor_id;
+
+ /* See enum motionsense_spoof_mode. */
+ uint8_t spoof_enable;
+
+ /* Ignored, used for alignment. */
+ uint8_t reserved;
+
+ /* Individual component values to spoof. */
+ int16_t components[3];
+ } spoof;
+
+ /* Used for MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE. */
+ struct __ec_todo_unpacked {
+ /*
+ * Lid angle threshold for switching between tablet and
+ * clamshell mode.
+ */
+ int16_t lid_angle;
+
+ /*
+ * Hysteresis degree to prevent fluctuations between
+ * clamshell and tablet mode if lid angle keeps
+ * changing around the threshold. Lid motion driver will
+ * use lid_angle + hys_degree to trigger tablet mode and
+ * lid_angle - hys_degree to trigger clamshell mode.
+ */
+ int16_t hys_degree;
+ } tablet_mode_threshold;
+ };
+} __ec_todo_packed;
+
+struct ec_response_motion_sense {
+ union {
+ /* Used for MOTIONSENSE_CMD_DUMP */
+ struct __ec_todo_unpacked {
+ /* Flags representing the motion sensor module. */
+ uint8_t module_flags;
+
+ /* Number of sensors managed directly by the EC. */
+ uint8_t sensor_count;
+
+ /*
+ * Sensor data is truncated if response_max is too small
+ * for holding all the data.
+ */
+ struct ec_response_motion_sensor_data sensor[0];
+ } dump;
+
+ /* Used for MOTIONSENSE_CMD_INFO. */
+ struct __ec_todo_unpacked {
+ /* Should be element of enum motionsensor_type. */
+ uint8_t type;
+
+ /* Should be element of enum motionsensor_location. */
+ uint8_t location;
+
+ /* Should be element of enum motionsensor_chip. */
+ uint8_t chip;
+ } info;
+
+ /* Used for MOTIONSENSE_CMD_INFO version 3 */
+ struct __ec_todo_unpacked {
+ /* Should be element of enum motionsensor_type. */
+ uint8_t type;
+
+ /* Should be element of enum motionsensor_location. */
+ uint8_t location;
+
+ /* Should be element of enum motionsensor_chip. */
+ uint8_t chip;
+
+ /* Minimum sensor sampling frequency */
+ uint32_t min_frequency;
+
+ /* Maximum sensor sampling frequency */
+ uint32_t max_frequency;
+
+ /* Max number of sensor events that could be in fifo */
+ uint32_t fifo_max_event_count;
+ } info_3;
+
+ /* Used for MOTIONSENSE_CMD_DATA */
+ struct ec_response_motion_sensor_data data;
+
+ /*
+ * Used for MOTIONSENSE_CMD_EC_RATE, MOTIONSENSE_CMD_SENSOR_ODR,
+ * MOTIONSENSE_CMD_SENSOR_RANGE,
+ * MOTIONSENSE_CMD_KB_WAKE_ANGLE,
+ * MOTIONSENSE_CMD_FIFO_INT_ENABLE and
+ * MOTIONSENSE_CMD_SPOOF.
+ */
+ struct __ec_todo_unpacked {
+ /* Current value of the parameter queried. */
+ int32_t ret;
+ } ec_rate, sensor_odr, sensor_range, kb_wake_angle,
+ fifo_int_enable, spoof;
+
+ /*
+ * Used for MOTIONSENSE_CMD_SENSOR_OFFSET,
+ * PERFORM_CALIB.
+ */
+ struct __ec_todo_unpacked {
+ int16_t temp;
+ int16_t offset[3];
+ } sensor_offset, perform_calib;
+
+ /* Used for MOTIONSENSE_CMD_SENSOR_SCALE */
+ struct __ec_todo_unpacked {
+ int16_t temp;
+ uint16_t scale[3];
+ } sensor_scale;
+
+ struct ec_response_motion_sense_fifo_info fifo_info, fifo_flush;
+
+ struct ec_response_motion_sense_fifo_data fifo_read;
+
+ struct __ec_todo_packed {
+ uint16_t reserved;
+ uint32_t enabled;
+ uint32_t disabled;
+ } list_activities;
+
+ /* No params for set activity */
+
+ /* Used for MOTIONSENSE_CMD_LID_ANGLE */
+ struct __ec_todo_unpacked {
+ /*
+ * Angle between 0 and 360 degree if available,
+ * LID_ANGLE_UNRELIABLE otherwise.
+ */
+ uint16_t value;
+ } lid_angle;
+
+ /* Used for MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE. */
+ struct __ec_todo_unpacked {
+ /*
+ * Lid angle threshold for switching between tablet and
+ * clamshell mode.
+ */
+ uint16_t lid_angle;
+
+ /* Hysteresis degree. */
+ uint16_t hys_degree;
+ } tablet_mode_threshold;
+
+ };
+} __ec_todo_packed;
+
+/*****************************************************************************/
+/* Force lid open command */
+
+/* Make lid event always open */
+#define EC_CMD_FORCE_LID_OPEN 0x002C
+
+struct ec_params_force_lid_open {
+ uint8_t enabled;
+} __ec_align1;
+
+/*****************************************************************************/
+/* Configure the behavior of the power button */
+#define EC_CMD_CONFIG_POWER_BUTTON 0x002D
+
+enum ec_config_power_button_flags {
+ /* Enable/Disable power button pulses for x86 devices */
+ EC_POWER_BUTTON_ENABLE_PULSE = BIT(0),
+};
+
+struct ec_params_config_power_button {
+ /* See enum ec_config_power_button_flags */
+ uint8_t flags;
+} __ec_align1;
+
+/*****************************************************************************/
+/* USB charging control commands */
+
+/* Set USB port charging mode */
+#define EC_CMD_USB_CHARGE_SET_MODE 0x0030
+
+struct ec_params_usb_charge_set_mode {
+ uint8_t usb_port_id;
+ uint8_t mode:7;
+ uint8_t inhibit_charge:1;
+} __ec_align1;
+
+/*****************************************************************************/
+/* Persistent storage for host */
+
+/* Maximum bytes that can be read/written in a single command */
+#define EC_PSTORE_SIZE_MAX 64
+
+/* Get persistent storage info */
+#define EC_CMD_PSTORE_INFO 0x0040
+
+struct ec_response_pstore_info {
+ /* Persistent storage size, in bytes */
+ uint32_t pstore_size;
+ /* Access size; read/write offset and size must be a multiple of this */
+ uint32_t access_size;
+} __ec_align4;
+
+/*
+ * Read persistent storage
+ *
+ * Response is params.size bytes of data.
+ */
+#define EC_CMD_PSTORE_READ 0x0041
+
+struct ec_params_pstore_read {
+ uint32_t offset; /* Byte offset to read */
+ uint32_t size; /* Size to read in bytes */
+} __ec_align4;
+
+/* Write persistent storage */
+#define EC_CMD_PSTORE_WRITE 0x0042
+
+struct ec_params_pstore_write {
+ uint32_t offset; /* Byte offset to write */
+ uint32_t size; /* Size to write in bytes */
+ uint8_t data[EC_PSTORE_SIZE_MAX];
+} __ec_align4;
+
+/*****************************************************************************/
+/* Real-time clock */
+
+/* RTC params and response structures */
+struct ec_params_rtc {
+ uint32_t time;
+} __ec_align4;
+
+struct ec_response_rtc {
+ uint32_t time;
+} __ec_align4;
+
+/* These use ec_response_rtc */
+#define EC_CMD_RTC_GET_VALUE 0x0044
+#define EC_CMD_RTC_GET_ALARM 0x0045
+
+/* These all use ec_params_rtc */
+#define EC_CMD_RTC_SET_VALUE 0x0046
+#define EC_CMD_RTC_SET_ALARM 0x0047
+
+/* Pass as time param to SET_ALARM to clear the current alarm */
+#define EC_RTC_ALARM_CLEAR 0
+
+/*****************************************************************************/
+/* Port80 log access */
+
+/* Maximum entries that can be read/written in a single command */
+#define EC_PORT80_SIZE_MAX 32
+
+/* Get last port80 code from previous boot */
+#define EC_CMD_PORT80_LAST_BOOT 0x0048
+#define EC_CMD_PORT80_READ 0x0048
+
+enum ec_port80_subcmd {
+ EC_PORT80_GET_INFO = 0,
+ EC_PORT80_READ_BUFFER,
+};
+
+struct ec_params_port80_read {
+ uint16_t subcmd;
+ union {
+ struct __ec_todo_unpacked {
+ uint32_t offset;
+ uint32_t num_entries;
+ } read_buffer;
+ };
+} __ec_todo_packed;
+
+struct ec_response_port80_read {
+ union {
+ struct __ec_todo_unpacked {
+ uint32_t writes;
+ uint32_t history_size;
+ uint32_t last_boot;
+ } get_info;
+ struct __ec_todo_unpacked {
+ uint16_t codes[EC_PORT80_SIZE_MAX];
+ } data;
+ };
+} __ec_todo_packed;
+
+struct ec_response_port80_last_boot {
+ uint16_t code;
+} __ec_align2;
+
+/*****************************************************************************/
+/* Temporary secure storage for host verified boot use */
+
+/* Number of bytes in a vstore slot */
+#define EC_VSTORE_SLOT_SIZE 64
+
+/* Maximum number of vstore slots */
+#define EC_VSTORE_SLOT_MAX 32
+
+/* Get persistent storage info */
+#define EC_CMD_VSTORE_INFO 0x0049
+struct ec_response_vstore_info {
+ /* Indicates which slots are locked */
+ uint32_t slot_locked;
+ /* Total number of slots available */
+ uint8_t slot_count;
+} __ec_align_size1;
+
+/*
+ * Read temporary secure storage
+ *
+ * Response is EC_VSTORE_SLOT_SIZE bytes of data.
+ */
+#define EC_CMD_VSTORE_READ 0x004A
+
+struct ec_params_vstore_read {
+ uint8_t slot; /* Slot to read from */
+} __ec_align1;
+
+struct ec_response_vstore_read {
+ uint8_t data[EC_VSTORE_SLOT_SIZE];
+} __ec_align1;
+
+/*
+ * Write temporary secure storage and lock it.
+ */
+#define EC_CMD_VSTORE_WRITE 0x004B
+
+struct ec_params_vstore_write {
+ uint8_t slot; /* Slot to write to */
+ uint8_t data[EC_VSTORE_SLOT_SIZE];
+} __ec_align1;
+
+/*****************************************************************************/
+/* Thermal engine commands. Note that there are two implementations. We'll
+ * reuse the command number, but the data and behavior is incompatible.
+ * Version 0 is what originally shipped on Link.
+ * Version 1 separates the CPU thermal limits from the fan control.
+ */
+
+#define EC_CMD_THERMAL_SET_THRESHOLD 0x0050
+#define EC_CMD_THERMAL_GET_THRESHOLD 0x0051
+
+/* The version 0 structs are opaque. You have to know what they are for
+ * the get/set commands to make any sense.
+ */
+
+/* Version 0 - set */
+struct ec_params_thermal_set_threshold {
+ uint8_t sensor_type;
+ uint8_t threshold_id;
+ uint16_t value;
+} __ec_align2;
+
+/* Version 0 - get */
+struct ec_params_thermal_get_threshold {
+ uint8_t sensor_type;
+ uint8_t threshold_id;
+} __ec_align1;
+
+struct ec_response_thermal_get_threshold {
+ uint16_t value;
+} __ec_align2;
+
+
+/* The version 1 structs are visible. */
+enum ec_temp_thresholds {
+ EC_TEMP_THRESH_WARN = 0,
+ EC_TEMP_THRESH_HIGH,
+ EC_TEMP_THRESH_HALT,
+
+ EC_TEMP_THRESH_COUNT
+};
+
+/*
+ * Thermal configuration for one temperature sensor. Temps are in degrees K.
+ * Zero values will be silently ignored by the thermal task.
+ *
+ * Set 'temp_host' value allows thermal task to trigger some event with 1 degree
+ * hysteresis.
+ * For example,
+ * temp_host[EC_TEMP_THRESH_HIGH] = 300 K
+ * temp_host_release[EC_TEMP_THRESH_HIGH] = 0 K
+ * EC will throttle ap when temperature >= 301 K, and release throttling when
+ * temperature <= 299 K.
+ *
+ * Set 'temp_host_release' value allows thermal task has a custom hysteresis.
+ * For example,
+ * temp_host[EC_TEMP_THRESH_HIGH] = 300 K
+ * temp_host_release[EC_TEMP_THRESH_HIGH] = 295 K
+ * EC will throttle ap when temperature >= 301 K, and release throttling when
+ * temperature <= 294 K.
+ *
+ * Note that this structure is a sub-structure of
+ * ec_params_thermal_set_threshold_v1, but maintains its alignment there.
+ */
+struct ec_thermal_config {
+ uint32_t temp_host[EC_TEMP_THRESH_COUNT]; /* levels of hotness */
+ uint32_t temp_host_release[EC_TEMP_THRESH_COUNT]; /* release levels */
+ uint32_t temp_fan_off; /* no active cooling needed */
+ uint32_t temp_fan_max; /* max active cooling needed */
+} __ec_align4;
+
+/* Version 1 - get config for one sensor. */
+struct ec_params_thermal_get_threshold_v1 {
+ uint32_t sensor_num;
+} __ec_align4;
+/* This returns a struct ec_thermal_config */
+
+/*
+ * Version 1 - set config for one sensor.
+ * Use read-modify-write for best results!
+ */
+struct ec_params_thermal_set_threshold_v1 {
+ uint32_t sensor_num;
+ struct ec_thermal_config cfg;
+} __ec_align4;
+/* This returns no data */
+
+/****************************************************************************/
+
+/* Toggle automatic fan control */
+#define EC_CMD_THERMAL_AUTO_FAN_CTRL 0x0052
+
+/* Version 1 of input params */
+struct ec_params_auto_fan_ctrl_v1 {
+ uint8_t fan_idx;
+} __ec_align1;
+
+/* Get/Set TMP006 calibration data */
+#define EC_CMD_TMP006_GET_CALIBRATION 0x0053
+#define EC_CMD_TMP006_SET_CALIBRATION 0x0054
+
+/*
+ * The original TMP006 calibration only needed four params, but now we need
+ * more. Since the algorithm is nothing but magic numbers anyway, we'll leave
+ * the params opaque. The v1 "get" response will include the algorithm number
+ * and how many params it requires. That way we can change the EC code without
+ * needing to update this file. We can also use a different algorithm on each
+ * sensor.
+ */
+
+/* This is the same struct for both v0 and v1. */
+struct ec_params_tmp006_get_calibration {
+ uint8_t index;
+} __ec_align1;
+
+/* Version 0 */
+struct ec_response_tmp006_get_calibration_v0 {
+ float s0;
+ float b0;
+ float b1;
+ float b2;
+} __ec_align4;
+
+struct ec_params_tmp006_set_calibration_v0 {
+ uint8_t index;
+ uint8_t reserved[3];
+ float s0;
+ float b0;
+ float b1;
+ float b2;
+} __ec_align4;
+
+/* Version 1 */
+struct ec_response_tmp006_get_calibration_v1 {
+ uint8_t algorithm;
+ uint8_t num_params;
+ uint8_t reserved[2];
+ float val[0];
+} __ec_align4;
+
+struct ec_params_tmp006_set_calibration_v1 {
+ uint8_t index;
+ uint8_t algorithm;
+ uint8_t num_params;
+ uint8_t reserved;
+ float val[0];
+} __ec_align4;
+
+
+/* Read raw TMP006 data */
+#define EC_CMD_TMP006_GET_RAW 0x0055
+
+struct ec_params_tmp006_get_raw {
+ uint8_t index;
+} __ec_align1;
+
+struct ec_response_tmp006_get_raw {
+ int32_t t; /* In 1/100 K */
+ int32_t v; /* In nV */
+} __ec_align4;
+
+/*****************************************************************************/
+/* MKBP - Matrix KeyBoard Protocol */
+
+/*
+ * Read key state
+ *
+ * Returns raw data for keyboard cols; see ec_response_mkbp_info.cols for
+ * expected response size.
+ *
+ * NOTE: This has been superseded by EC_CMD_MKBP_GET_NEXT_EVENT. If you wish
+ * to obtain the instantaneous state, use EC_CMD_MKBP_INFO with the type
+ * EC_MKBP_INFO_CURRENT and event EC_MKBP_EVENT_KEY_MATRIX.
+ */
+#define EC_CMD_MKBP_STATE 0x0060
+
+/*
+ * Provide information about various MKBP things. See enum ec_mkbp_info_type.
+ */
+#define EC_CMD_MKBP_INFO 0x0061
+
+struct ec_response_mkbp_info {
+ uint32_t rows;
+ uint32_t cols;
+ /* Formerly "switches", which was 0. */
+ uint8_t reserved;
+} __ec_align_size1;
+
+struct ec_params_mkbp_info {
+ uint8_t info_type;
+ uint8_t event_type;
+} __ec_align1;
+
+enum ec_mkbp_info_type {
+ /*
+ * Info about the keyboard matrix: number of rows and columns.
+ *
+ * Returns struct ec_response_mkbp_info.
+ */
+ EC_MKBP_INFO_KBD = 0,
+
+ /*
+ * For buttons and switches, info about which specifically are
+ * supported. event_type must be set to one of the values in enum
+ * ec_mkbp_event.
+ *
+ * For EC_MKBP_EVENT_BUTTON and EC_MKBP_EVENT_SWITCH, returns a 4 byte
+ * bitmask indicating which buttons or switches are present. See the
+ * bit inidices below.
+ */
+ EC_MKBP_INFO_SUPPORTED = 1,
+
+ /*
+ * Instantaneous state of buttons and switches.
+ *
+ * event_type must be set to one of the values in enum ec_mkbp_event.
+ *
+ * For EC_MKBP_EVENT_KEY_MATRIX, returns uint8_t key_matrix[13]
+ * indicating the current state of the keyboard matrix.
+ *
+ * For EC_MKBP_EVENT_HOST_EVENT, return uint32_t host_event, the raw
+ * event state.
+ *
+ * For EC_MKBP_EVENT_BUTTON, returns uint32_t buttons, indicating the
+ * state of supported buttons.
+ *
+ * For EC_MKBP_EVENT_SWITCH, returns uint32_t switches, indicating the
+ * state of supported switches.
+ */
+ EC_MKBP_INFO_CURRENT = 2,
+};
+
+/* Simulate key press */
+#define EC_CMD_MKBP_SIMULATE_KEY 0x0062
+
+struct ec_params_mkbp_simulate_key {
+ uint8_t col;
+ uint8_t row;
+ uint8_t pressed;
+} __ec_align1;
+
+#define EC_CMD_GET_KEYBOARD_ID 0x0063
+
+struct ec_response_keyboard_id {
+ uint32_t keyboard_id;
+} __ec_align4;
+
+enum keyboard_id {
+ KEYBOARD_ID_UNSUPPORTED = 0,
+ KEYBOARD_ID_UNREADABLE = 0xffffffff,
+};
+
+/* Configure keyboard scanning */
+#define EC_CMD_MKBP_SET_CONFIG 0x0064
+#define EC_CMD_MKBP_GET_CONFIG 0x0065
+
+/* flags */
+enum mkbp_config_flags {
+ EC_MKBP_FLAGS_ENABLE = 1, /* Enable keyboard scanning */
+};
+
+enum mkbp_config_valid {
+ EC_MKBP_VALID_SCAN_PERIOD = BIT(0),
+ EC_MKBP_VALID_POLL_TIMEOUT = BIT(1),
+ EC_MKBP_VALID_MIN_POST_SCAN_DELAY = BIT(3),
+ EC_MKBP_VALID_OUTPUT_SETTLE = BIT(4),
+ EC_MKBP_VALID_DEBOUNCE_DOWN = BIT(5),
+ EC_MKBP_VALID_DEBOUNCE_UP = BIT(6),
+ EC_MKBP_VALID_FIFO_MAX_DEPTH = BIT(7),
+};
+
+/*
+ * Configuration for our key scanning algorithm.
+ *
+ * Note that this is used as a sub-structure of
+ * ec_{params/response}_mkbp_get_config.
+ */
+struct ec_mkbp_config {
+ uint32_t valid_mask; /* valid fields */
+ uint8_t flags; /* some flags (enum mkbp_config_flags) */
+ uint8_t valid_flags; /* which flags are valid */
+ uint16_t scan_period_us; /* period between start of scans */
+ /* revert to interrupt mode after no activity for this long */
+ uint32_t poll_timeout_us;
+ /*
+ * minimum post-scan relax time. Once we finish a scan we check
+ * the time until we are due to start the next one. If this time is
+ * shorter this field, we use this instead.
+ */
+ uint16_t min_post_scan_delay_us;
+ /* delay between setting up output and waiting for it to settle */
+ uint16_t output_settle_us;
+ uint16_t debounce_down_us; /* time for debounce on key down */
+ uint16_t debounce_up_us; /* time for debounce on key up */
+ /* maximum depth to allow for fifo (0 = no keyscan output) */
+ uint8_t fifo_max_depth;
+} __ec_align_size1;
+
+struct ec_params_mkbp_set_config {
+ struct ec_mkbp_config config;
+} __ec_align_size1;
+
+struct ec_response_mkbp_get_config {
+ struct ec_mkbp_config config;
+} __ec_align_size1;
+
+/* Run the key scan emulation */
+#define EC_CMD_KEYSCAN_SEQ_CTRL 0x0066
+
+enum ec_keyscan_seq_cmd {
+ EC_KEYSCAN_SEQ_STATUS = 0, /* Get status information */
+ EC_KEYSCAN_SEQ_CLEAR = 1, /* Clear sequence */
+ EC_KEYSCAN_SEQ_ADD = 2, /* Add item to sequence */
+ EC_KEYSCAN_SEQ_START = 3, /* Start running sequence */
+ EC_KEYSCAN_SEQ_COLLECT = 4, /* Collect sequence summary data */
+};
+
+enum ec_collect_flags {
+ /*
+ * Indicates this scan was processed by the EC. Due to timing, some
+ * scans may be skipped.
+ */
+ EC_KEYSCAN_SEQ_FLAG_DONE = BIT(0),
+};
+
+struct ec_collect_item {
+ uint8_t flags; /* some flags (enum ec_collect_flags) */
+} __ec_align1;
+
+struct ec_params_keyscan_seq_ctrl {
+ uint8_t cmd; /* Command to send (enum ec_keyscan_seq_cmd) */
+ union {
+ struct __ec_align1 {
+ uint8_t active; /* still active */
+ uint8_t num_items; /* number of items */
+ /* Current item being presented */
+ uint8_t cur_item;
+ } status;
+ struct __ec_todo_unpacked {
+ /*
+ * Absolute time for this scan, measured from the
+ * start of the sequence.
+ */
+ uint32_t time_us;
+ uint8_t scan[0]; /* keyscan data */
+ } add;
+ struct __ec_align1 {
+ uint8_t start_item; /* First item to return */
+ uint8_t num_items; /* Number of items to return */
+ } collect;
+ };
+} __ec_todo_packed;
+
+struct ec_result_keyscan_seq_ctrl {
+ union {
+ struct __ec_todo_unpacked {
+ uint8_t num_items; /* Number of items */
+ /* Data for each item */
+ struct ec_collect_item item[0];
+ } collect;
+ };
+} __ec_todo_packed;
+
+/*
+ * Get the next pending MKBP event.
+ *
+ * Returns EC_RES_UNAVAILABLE if there is no event pending.
+ */
+#define EC_CMD_GET_NEXT_EVENT 0x0067
+
+#define EC_MKBP_HAS_MORE_EVENTS_SHIFT 7
+
+/*
+ * We use the most significant bit of the event type to indicate to the host
+ * that the EC has more MKBP events available to provide.
+ */
+#define EC_MKBP_HAS_MORE_EVENTS BIT(EC_MKBP_HAS_MORE_EVENTS_SHIFT)
+
+/* The mask to apply to get the raw event type */
+#define EC_MKBP_EVENT_TYPE_MASK (BIT(EC_MKBP_HAS_MORE_EVENTS_SHIFT) - 1)
+
+enum ec_mkbp_event {
+ /* Keyboard matrix changed. The event data is the new matrix state. */
+ EC_MKBP_EVENT_KEY_MATRIX = 0,
+
+ /* New host event. The event data is 4 bytes of host event flags. */
+ EC_MKBP_EVENT_HOST_EVENT = 1,
+
+ /* New Sensor FIFO data. The event data is fifo_info structure. */
+ EC_MKBP_EVENT_SENSOR_FIFO = 2,
+
+ /* The state of the non-matrixed buttons have changed. */
+ EC_MKBP_EVENT_BUTTON = 3,
+
+ /* The state of the switches have changed. */
+ EC_MKBP_EVENT_SWITCH = 4,
+
+ /* New Fingerprint sensor event, the event data is fp_events bitmap. */
+ EC_MKBP_EVENT_FINGERPRINT = 5,
+
+ /*
+ * Sysrq event: send emulated sysrq. The event data is sysrq,
+ * corresponding to the key to be pressed.
+ */
+ EC_MKBP_EVENT_SYSRQ = 6,
+
+ /*
+ * New 64-bit host event.
+ * The event data is 8 bytes of host event flags.
+ */
+ EC_MKBP_EVENT_HOST_EVENT64 = 7,
+
+ /* Notify the AP that something happened on CEC */
+ EC_MKBP_EVENT_CEC_EVENT = 8,
+
+ /* Send an incoming CEC message to the AP */
+ EC_MKBP_EVENT_CEC_MESSAGE = 9,
+
+ /* Number of MKBP events */
+ EC_MKBP_EVENT_COUNT,
+};
+BUILD_ASSERT(EC_MKBP_EVENT_COUNT <= EC_MKBP_EVENT_TYPE_MASK);
+
+union __ec_align_offset1 ec_response_get_next_data {
+ uint8_t key_matrix[13];
+
+ /* Unaligned */
+ uint32_t host_event;
+ uint64_t host_event64;
+
+ struct __ec_todo_unpacked {
+ /* For aligning the fifo_info */
+ uint8_t reserved[3];
+ struct ec_response_motion_sense_fifo_info info;
+ } sensor_fifo;
+
+ uint32_t buttons;
+
+ uint32_t switches;
+
+ uint32_t fp_events;
+
+ uint32_t sysrq;
+
+ /* CEC events from enum mkbp_cec_event */
+ uint32_t cec_events;
+};
+
+union __ec_align_offset1 ec_response_get_next_data_v1 {
+ uint8_t key_matrix[16];
+
+ /* Unaligned */
+ uint32_t host_event;
+ uint64_t host_event64;
+
+ struct __ec_todo_unpacked {
+ /* For aligning the fifo_info */
+ uint8_t reserved[3];
+ struct ec_response_motion_sense_fifo_info info;
+ } sensor_fifo;
+
+ uint32_t buttons;
+
+ uint32_t switches;
+
+ uint32_t fp_events;
+
+ uint32_t sysrq;
+
+ /* CEC events from enum mkbp_cec_event */
+ uint32_t cec_events;
+
+ uint8_t cec_message[16];
+};
+BUILD_ASSERT(sizeof(union ec_response_get_next_data_v1) == 16);
+
+struct ec_response_get_next_event {
+ uint8_t event_type;
+ /* Followed by event data if any */
+ union ec_response_get_next_data data;
+} __ec_align1;
+
+struct ec_response_get_next_event_v1 {
+ uint8_t event_type;
+ /* Followed by event data if any */
+ union ec_response_get_next_data_v1 data;
+} __ec_align1;
+
+/* Bit indices for buttons and switches.*/
+/* Buttons */
+#define EC_MKBP_POWER_BUTTON 0
+#define EC_MKBP_VOL_UP 1
+#define EC_MKBP_VOL_DOWN 2
+#define EC_MKBP_RECOVERY 3
+
+/* Switches */
+#define EC_MKBP_LID_OPEN 0
+#define EC_MKBP_TABLET_MODE 1
+#define EC_MKBP_BASE_ATTACHED 2
+
+/* Run keyboard factory test scanning */
+#define EC_CMD_KEYBOARD_FACTORY_TEST 0x0068
+
+struct ec_response_keyboard_factory_test {
+ uint16_t shorted; /* Keyboard pins are shorted */
+} __ec_align2;
+
+/* Fingerprint events in 'fp_events' for EC_MKBP_EVENT_FINGERPRINT */
+#define EC_MKBP_FP_RAW_EVENT(fp_events) ((fp_events) & 0x00FFFFFF)
+#define EC_MKBP_FP_ERRCODE(fp_events) ((fp_events) & 0x0000000F)
+#define EC_MKBP_FP_ENROLL_PROGRESS_OFFSET 4
+#define EC_MKBP_FP_ENROLL_PROGRESS(fpe) (((fpe) & 0x00000FF0) \
+ >> EC_MKBP_FP_ENROLL_PROGRESS_OFFSET)
+#define EC_MKBP_FP_MATCH_IDX_OFFSET 12
+#define EC_MKBP_FP_MATCH_IDX_MASK 0x0000F000
+#define EC_MKBP_FP_MATCH_IDX(fpe) (((fpe) & EC_MKBP_FP_MATCH_IDX_MASK) \
+ >> EC_MKBP_FP_MATCH_IDX_OFFSET)
+#define EC_MKBP_FP_ENROLL BIT(27)
+#define EC_MKBP_FP_MATCH BIT(28)
+#define EC_MKBP_FP_FINGER_DOWN BIT(29)
+#define EC_MKBP_FP_FINGER_UP BIT(30)
+#define EC_MKBP_FP_IMAGE_READY BIT(31)
+/* code given by EC_MKBP_FP_ERRCODE() when EC_MKBP_FP_ENROLL is set */
+#define EC_MKBP_FP_ERR_ENROLL_OK 0
+#define EC_MKBP_FP_ERR_ENROLL_LOW_QUALITY 1
+#define EC_MKBP_FP_ERR_ENROLL_IMMOBILE 2
+#define EC_MKBP_FP_ERR_ENROLL_LOW_COVERAGE 3
+#define EC_MKBP_FP_ERR_ENROLL_INTERNAL 5
+/* Can be used to detect if image was usable for enrollment or not. */
+#define EC_MKBP_FP_ERR_ENROLL_PROBLEM_MASK 1
+/* code given by EC_MKBP_FP_ERRCODE() when EC_MKBP_FP_MATCH is set */
+#define EC_MKBP_FP_ERR_MATCH_NO 0
+#define EC_MKBP_FP_ERR_MATCH_NO_INTERNAL 6
+#define EC_MKBP_FP_ERR_MATCH_NO_TEMPLATES 7
+#define EC_MKBP_FP_ERR_MATCH_NO_LOW_QUALITY 2
+#define EC_MKBP_FP_ERR_MATCH_NO_LOW_COVERAGE 4
+#define EC_MKBP_FP_ERR_MATCH_YES 1
+#define EC_MKBP_FP_ERR_MATCH_YES_UPDATED 3
+#define EC_MKBP_FP_ERR_MATCH_YES_UPDATE_FAILED 5
+
+
+/*****************************************************************************/
+/* Temperature sensor commands */
+
+/* Read temperature sensor info */
+#define EC_CMD_TEMP_SENSOR_GET_INFO 0x0070
+
+struct ec_params_temp_sensor_get_info {
+ uint8_t id;
+} __ec_align1;
+
+struct ec_response_temp_sensor_get_info {
+ char sensor_name[32];
+ uint8_t sensor_type;
+} __ec_align1;
+
+/*****************************************************************************/
+
+/*
+ * Note: host commands 0x80 - 0x87 are reserved to avoid conflict with ACPI
+ * commands accidentally sent to the wrong interface. See the ACPI section
+ * below.
+ */
+
+/*****************************************************************************/
+/* Host event commands */
+
+
+/* Obsolete. New implementation should use EC_CMD_HOST_EVENT instead */
+/*
+ * Host event mask params and response structures, shared by all of the host
+ * event commands below.
+ */
+struct ec_params_host_event_mask {
+ uint32_t mask;
+} __ec_align4;
+
+struct ec_response_host_event_mask {
+ uint32_t mask;
+} __ec_align4;
+
+/* These all use ec_response_host_event_mask */
+#define EC_CMD_HOST_EVENT_GET_B 0x0087
+#define EC_CMD_HOST_EVENT_GET_SMI_MASK 0x0088
+#define EC_CMD_HOST_EVENT_GET_SCI_MASK 0x0089
+#define EC_CMD_HOST_EVENT_GET_WAKE_MASK 0x008D
+
+/* These all use ec_params_host_event_mask */
+#define EC_CMD_HOST_EVENT_SET_SMI_MASK 0x008A
+#define EC_CMD_HOST_EVENT_SET_SCI_MASK 0x008B
+#define EC_CMD_HOST_EVENT_CLEAR 0x008C
+#define EC_CMD_HOST_EVENT_SET_WAKE_MASK 0x008E
+#define EC_CMD_HOST_EVENT_CLEAR_B 0x008F
+
+/*
+ * Unified host event programming interface - Should be used by newer versions
+ * of BIOS/OS to program host events and masks
+ */
+
+struct ec_params_host_event {
+
+ /* Action requested by host - one of enum ec_host_event_action. */
+ uint8_t action;
+
+ /*
+ * Mask type that the host requested the action on - one of
+ * enum ec_host_event_mask_type.
+ */
+ uint8_t mask_type;
+
+ /* Set to 0, ignore on read */
+ uint16_t reserved;
+
+ /* Value to be used in case of set operations. */
+ uint64_t value;
+} __ec_align4;
+
+/*
+ * Response structure returned by EC_CMD_HOST_EVENT.
+ * Update the value on a GET request. Set to 0 on GET/CLEAR
+ */
+
+struct ec_response_host_event {
+
+ /* Mask value in case of get operation */
+ uint64_t value;
+} __ec_align4;
+
+enum ec_host_event_action {
+ /*
+ * params.value is ignored. Value of mask_type populated
+ * in response.value
+ */
+ EC_HOST_EVENT_GET,
+
+ /* Bits in params.value are set */
+ EC_HOST_EVENT_SET,
+
+ /* Bits in params.value are cleared */
+ EC_HOST_EVENT_CLEAR,
+};
+
+enum ec_host_event_mask_type {
+
+ /* Main host event copy */
+ EC_HOST_EVENT_MAIN,
+
+ /* Copy B of host events */
+ EC_HOST_EVENT_B,
+
+ /* SCI Mask */
+ EC_HOST_EVENT_SCI_MASK,
+
+ /* SMI Mask */
+ EC_HOST_EVENT_SMI_MASK,
+
+ /* Mask of events that should be always reported in hostevents */
+ EC_HOST_EVENT_ALWAYS_REPORT_MASK,
+
+ /* Active wake mask */
+ EC_HOST_EVENT_ACTIVE_WAKE_MASK,
+
+ /* Lazy wake mask for S0ix */
+ EC_HOST_EVENT_LAZY_WAKE_MASK_S0IX,
+
+ /* Lazy wake mask for S3 */
+ EC_HOST_EVENT_LAZY_WAKE_MASK_S3,
+
+ /* Lazy wake mask for S5 */
+ EC_HOST_EVENT_LAZY_WAKE_MASK_S5,
+};
+
+#define EC_CMD_HOST_EVENT 0x00A4
+
+/*****************************************************************************/
+/* Switch commands */
+
+/* Enable/disable LCD backlight */
+#define EC_CMD_SWITCH_ENABLE_BKLIGHT 0x0090
+
+struct ec_params_switch_enable_backlight {
+ uint8_t enabled;
+} __ec_align1;
+
+/* Enable/disable WLAN/Bluetooth */
+#define EC_CMD_SWITCH_ENABLE_WIRELESS 0x0091
+#define EC_VER_SWITCH_ENABLE_WIRELESS 1
+
+/* Version 0 params; no response */
+struct ec_params_switch_enable_wireless_v0 {
+ uint8_t enabled;
+} __ec_align1;
+
+/* Version 1 params */
+struct ec_params_switch_enable_wireless_v1 {
+ /* Flags to enable now */
+ uint8_t now_flags;
+
+ /* Which flags to copy from now_flags */
+ uint8_t now_mask;
+
+ /*
+ * Flags to leave enabled in S3, if they're on at the S0->S3
+ * transition. (Other flags will be disabled by the S0->S3
+ * transition.)
+ */
+ uint8_t suspend_flags;
+
+ /* Which flags to copy from suspend_flags */
+ uint8_t suspend_mask;
+} __ec_align1;
+
+/* Version 1 response */
+struct ec_response_switch_enable_wireless_v1 {
+ /* Flags to enable now */
+ uint8_t now_flags;
+
+ /* Flags to leave enabled in S3 */
+ uint8_t suspend_flags;
+} __ec_align1;
+
+/*****************************************************************************/
+/* GPIO commands. Only available on EC if write protect has been disabled. */
+
+/* Set GPIO output value */
+#define EC_CMD_GPIO_SET 0x0092
+
+struct ec_params_gpio_set {
+ char name[32];
+ uint8_t val;
+} __ec_align1;
+
+/* Get GPIO value */
+#define EC_CMD_GPIO_GET 0x0093
+
+/* Version 0 of input params and response */
+struct ec_params_gpio_get {
+ char name[32];
+} __ec_align1;
+
+struct ec_response_gpio_get {
+ uint8_t val;
+} __ec_align1;
+
+/* Version 1 of input params and response */
+struct ec_params_gpio_get_v1 {
+ uint8_t subcmd;
+ union {
+ struct __ec_align1 {
+ char name[32];
+ } get_value_by_name;
+ struct __ec_align1 {
+ uint8_t index;
+ } get_info;
+ };
+} __ec_align1;
+
+struct ec_response_gpio_get_v1 {
+ union {
+ struct __ec_align1 {
+ uint8_t val;
+ } get_value_by_name, get_count;
+ struct __ec_todo_unpacked {
+ uint8_t val;
+ char name[32];
+ uint32_t flags;
+ } get_info;
+ };
+} __ec_todo_packed;
+
+enum gpio_get_subcmd {
+ EC_GPIO_GET_BY_NAME = 0,
+ EC_GPIO_GET_COUNT = 1,
+ EC_GPIO_GET_INFO = 2,
+};
+
+/*****************************************************************************/
+/* I2C commands. Only available when flash write protect is unlocked. */
+
+/*
+ * CAUTION: These commands are deprecated, and are not supported anymore in EC
+ * builds >= 8398.0.0 (see crosbug.com/p/23570).
+ *
+ * Use EC_CMD_I2C_PASSTHRU instead.
+ */
+
+/* Read I2C bus */
+#define EC_CMD_I2C_READ 0x0094
+
+struct ec_params_i2c_read {
+ uint16_t addr; /* 8-bit address (7-bit shifted << 1) */
+ uint8_t read_size; /* Either 8 or 16. */
+ uint8_t port;
+ uint8_t offset;
+} __ec_align_size1;
+
+struct ec_response_i2c_read {
+ uint16_t data;
+} __ec_align2;
+
+/* Write I2C bus */
+#define EC_CMD_I2C_WRITE 0x0095
+
+struct ec_params_i2c_write {
+ uint16_t data;
+ uint16_t addr; /* 8-bit address (7-bit shifted << 1) */
+ uint8_t write_size; /* Either 8 or 16. */
+ uint8_t port;
+ uint8_t offset;
+} __ec_align_size1;
+
+/*****************************************************************************/
+/* Charge state commands. Only available when flash write protect unlocked. */
+
+/* Force charge state machine to stop charging the battery or force it to
+ * discharge the battery.
+ */
+#define EC_CMD_CHARGE_CONTROL 0x0096
+#define EC_VER_CHARGE_CONTROL 1
+
+enum ec_charge_control_mode {
+ CHARGE_CONTROL_NORMAL = 0,
+ CHARGE_CONTROL_IDLE,
+ CHARGE_CONTROL_DISCHARGE,
+};
+
+struct ec_params_charge_control {
+ uint32_t mode; /* enum charge_control_mode */
+} __ec_align4;
+
+/*****************************************************************************/
+
+/* Snapshot console output buffer for use by EC_CMD_CONSOLE_READ. */
+#define EC_CMD_CONSOLE_SNAPSHOT 0x0097
+
+/*
+ * Read data from the saved snapshot. If the subcmd parameter is
+ * CONSOLE_READ_NEXT, this will return data starting from the beginning of
+ * the latest snapshot. If it is CONSOLE_READ_RECENT, it will start from the
+ * end of the previous snapshot.
+ *
+ * The params are only looked at in version >= 1 of this command. Prior
+ * versions will just default to CONSOLE_READ_NEXT behavior.
+ *
+ * Response is null-terminated string. Empty string, if there is no more
+ * remaining output.
+ */
+#define EC_CMD_CONSOLE_READ 0x0098
+
+enum ec_console_read_subcmd {
+ CONSOLE_READ_NEXT = 0,
+ CONSOLE_READ_RECENT
+};
+
+struct ec_params_console_read_v1 {
+ uint8_t subcmd; /* enum ec_console_read_subcmd */
+} __ec_align1;
+
+/*****************************************************************************/
+
+/*
+ * Cut off battery power immediately or after the host has shut down.
+ *
+ * return EC_RES_INVALID_COMMAND if unsupported by a board/battery.
+ * EC_RES_SUCCESS if the command was successful.
+ * EC_RES_ERROR if the cut off command failed.
+ */
+#define EC_CMD_BATTERY_CUT_OFF 0x0099
+
+#define EC_BATTERY_CUTOFF_FLAG_AT_SHUTDOWN BIT(0)
+
+struct ec_params_battery_cutoff {
+ uint8_t flags;
+} __ec_align1;
+
+/*****************************************************************************/
+/* USB port mux control. */
+
+/*
+ * Switch USB mux or return to automatic switching.
+ */
+#define EC_CMD_USB_MUX 0x009A
+
+struct ec_params_usb_mux {
+ uint8_t mux;
+} __ec_align1;
+
+/*****************************************************************************/
+/* LDOs / FETs control. */
+
+enum ec_ldo_state {
+ EC_LDO_STATE_OFF = 0, /* the LDO / FET is shut down */
+ EC_LDO_STATE_ON = 1, /* the LDO / FET is ON / providing power */
+};
+
+/*
+ * Switch on/off a LDO.
+ */
+#define EC_CMD_LDO_SET 0x009B
+
+struct ec_params_ldo_set {
+ uint8_t index;
+ uint8_t state;
+} __ec_align1;
+
+/*
+ * Get LDO state.
+ */
+#define EC_CMD_LDO_GET 0x009C
+
+struct ec_params_ldo_get {
+ uint8_t index;
+} __ec_align1;
+
+struct ec_response_ldo_get {
+ uint8_t state;
+} __ec_align1;
+
+/*****************************************************************************/
+/* Power info. */
+
+/*
+ * Get power info.
+ */
+#define EC_CMD_POWER_INFO 0x009D
+
+struct ec_response_power_info {
+ uint32_t usb_dev_type;
+ uint16_t voltage_ac;
+ uint16_t voltage_system;
+ uint16_t current_system;
+ uint16_t usb_current_limit;
+} __ec_align4;
+
+/*****************************************************************************/
+/* I2C passthru command */
+
+#define EC_CMD_I2C_PASSTHRU 0x009E
+
+/* Read data; if not present, message is a write */
+#define EC_I2C_FLAG_READ BIT(15)
+
+/* Mask for address */
+#define EC_I2C_ADDR_MASK 0x3ff
+
+#define EC_I2C_STATUS_NAK BIT(0) /* Transfer was not acknowledged */
+#define EC_I2C_STATUS_TIMEOUT BIT(1) /* Timeout during transfer */
+
+/* Any error */
+#define EC_I2C_STATUS_ERROR (EC_I2C_STATUS_NAK | EC_I2C_STATUS_TIMEOUT)
+
+struct ec_params_i2c_passthru_msg {
+ uint16_t addr_flags; /* I2C slave address (7 or 10 bits) and flags */
+ uint16_t len; /* Number of bytes to read or write */
+} __ec_align2;
+
+struct ec_params_i2c_passthru {
+ uint8_t port; /* I2C port number */
+ uint8_t num_msgs; /* Number of messages */
+ struct ec_params_i2c_passthru_msg msg[];
+ /* Data to write for all messages is concatenated here */
+} __ec_align2;
+
+struct ec_response_i2c_passthru {
+ uint8_t i2c_status; /* Status flags (EC_I2C_STATUS_...) */
+ uint8_t num_msgs; /* Number of messages processed */
+ uint8_t data[]; /* Data read by messages concatenated here */
+} __ec_align1;
+
+/*****************************************************************************/
+/* Power button hang detect */
+
+#define EC_CMD_HANG_DETECT 0x009F
+
+/* Reasons to start hang detection timer */
+/* Power button pressed */
+#define EC_HANG_START_ON_POWER_PRESS BIT(0)
+
+/* Lid closed */
+#define EC_HANG_START_ON_LID_CLOSE BIT(1)
+
+ /* Lid opened */
+#define EC_HANG_START_ON_LID_OPEN BIT(2)
+
+/* Start of AP S3->S0 transition (booting or resuming from suspend) */
+#define EC_HANG_START_ON_RESUME BIT(3)
+
+/* Reasons to cancel hang detection */
+
+/* Power button released */
+#define EC_HANG_STOP_ON_POWER_RELEASE BIT(8)
+
+/* Any host command from AP received */
+#define EC_HANG_STOP_ON_HOST_COMMAND BIT(9)
+
+/* Stop on end of AP S0->S3 transition (suspending or shutting down) */
+#define EC_HANG_STOP_ON_SUSPEND BIT(10)
+
+/*
+ * If this flag is set, all the other fields are ignored, and the hang detect
+ * timer is started. This provides the AP a way to start the hang timer
+ * without reconfiguring any of the other hang detect settings. Note that
+ * you must previously have configured the timeouts.
+ */
+#define EC_HANG_START_NOW BIT(30)
+
+/*
+ * If this flag is set, all the other fields are ignored (including
+ * EC_HANG_START_NOW). This provides the AP a way to stop the hang timer
+ * without reconfiguring any of the other hang detect settings.
+ */
+#define EC_HANG_STOP_NOW BIT(31)
+
+struct ec_params_hang_detect {
+ /* Flags; see EC_HANG_* */
+ uint32_t flags;
+
+ /* Timeout in msec before generating host event, if enabled */
+ uint16_t host_event_timeout_msec;
+
+ /* Timeout in msec before generating warm reboot, if enabled */
+ uint16_t warm_reboot_timeout_msec;
+} __ec_align4;
+
+/*****************************************************************************/
+/* Commands for battery charging */
+
+/*
+ * This is the single catch-all host command to exchange data regarding the
+ * charge state machine (v2 and up).
+ */
+#define EC_CMD_CHARGE_STATE 0x00A0
+
+/* Subcommands for this host command */
+enum charge_state_command {
+ CHARGE_STATE_CMD_GET_STATE,
+ CHARGE_STATE_CMD_GET_PARAM,
+ CHARGE_STATE_CMD_SET_PARAM,
+ CHARGE_STATE_NUM_CMDS
+};
+
+/*
+ * Known param numbers are defined here. Ranges are reserved for board-specific
+ * params, which are handled by the particular implementations.
+ */
+enum charge_state_params {
+ CS_PARAM_CHG_VOLTAGE, /* charger voltage limit */
+ CS_PARAM_CHG_CURRENT, /* charger current limit */
+ CS_PARAM_CHG_INPUT_CURRENT, /* charger input current limit */
+ CS_PARAM_CHG_STATUS, /* charger-specific status */
+ CS_PARAM_CHG_OPTION, /* charger-specific options */
+ CS_PARAM_LIMIT_POWER, /*
+ * Check if power is limited due to
+ * low battery and / or a weak external
+ * charger. READ ONLY.
+ */
+ /* How many so far? */
+ CS_NUM_BASE_PARAMS,
+
+ /* Range for CONFIG_CHARGER_PROFILE_OVERRIDE params */
+ CS_PARAM_CUSTOM_PROFILE_MIN = 0x10000,
+ CS_PARAM_CUSTOM_PROFILE_MAX = 0x1ffff,
+
+ /* Range for CONFIG_CHARGE_STATE_DEBUG params */
+ CS_PARAM_DEBUG_MIN = 0x20000,
+ CS_PARAM_DEBUG_CTL_MODE = 0x20000,
+ CS_PARAM_DEBUG_MANUAL_MODE,
+ CS_PARAM_DEBUG_SEEMS_DEAD,
+ CS_PARAM_DEBUG_SEEMS_DISCONNECTED,
+ CS_PARAM_DEBUG_BATT_REMOVED,
+ CS_PARAM_DEBUG_MANUAL_CURRENT,
+ CS_PARAM_DEBUG_MANUAL_VOLTAGE,
+ CS_PARAM_DEBUG_MAX = 0x2ffff,
+
+ /* Other custom param ranges go here... */
+};
+
+struct ec_params_charge_state {
+ uint8_t cmd; /* enum charge_state_command */
+ union {
+ /* get_state has no args */
+
+ struct __ec_todo_unpacked {
+ uint32_t param; /* enum charge_state_param */
+ } get_param;
+
+ struct __ec_todo_unpacked {
+ uint32_t param; /* param to set */
+ uint32_t value; /* value to set */
+ } set_param;
+ };
+} __ec_todo_packed;
+
+struct ec_response_charge_state {
+ union {
+ struct __ec_align4 {
+ int ac;
+ int chg_voltage;
+ int chg_current;
+ int chg_input_current;
+ int batt_state_of_charge;
+ } get_state;
+
+ struct __ec_align4 {
+ uint32_t value;
+ } get_param;
+
+ /* set_param returns no args */
+ };
+} __ec_align4;
+
+
+/*
+ * Set maximum battery charging current.
+ */
+#define EC_CMD_CHARGE_CURRENT_LIMIT 0x00A1
+
+struct ec_params_current_limit {
+ uint32_t limit; /* in mA */
+} __ec_align4;
+
+/*
+ * Set maximum external voltage / current.
+ */
+#define EC_CMD_EXTERNAL_POWER_LIMIT 0x00A2
+
+/* Command v0 is used only on Spring and is obsolete + unsupported */
+struct ec_params_external_power_limit_v1 {
+ uint16_t current_lim; /* in mA, or EC_POWER_LIMIT_NONE to clear limit */
+ uint16_t voltage_lim; /* in mV, or EC_POWER_LIMIT_NONE to clear limit */
+} __ec_align2;
+
+#define EC_POWER_LIMIT_NONE 0xffff
+
+/*
+ * Set maximum voltage & current of a dedicated charge port
+ */
+#define EC_CMD_OVERRIDE_DEDICATED_CHARGER_LIMIT 0x00A3
+
+struct ec_params_dedicated_charger_limit {
+ uint16_t current_lim; /* in mA */
+ uint16_t voltage_lim; /* in mV */
+} __ec_align2;
+
+/*****************************************************************************/
+/* Hibernate/Deep Sleep Commands */
+
+/* Set the delay before going into hibernation. */
+#define EC_CMD_HIBERNATION_DELAY 0x00A8
+
+struct ec_params_hibernation_delay {
+ /*
+ * Seconds to wait in G3 before hibernate. Pass in 0 to read the
+ * current settings without changing them.
+ */
+ uint32_t seconds;
+} __ec_align4;
+
+struct ec_response_hibernation_delay {
+ /*
+ * The current time in seconds in which the system has been in the G3
+ * state. This value is reset if the EC transitions out of G3.
+ */
+ uint32_t time_g3;
+
+ /*
+ * The current time remaining in seconds until the EC should hibernate.
+ * This value is also reset if the EC transitions out of G3.
+ */
+ uint32_t time_remaining;
+
+ /*
+ * The current time in seconds that the EC should wait in G3 before
+ * hibernating.
+ */
+ uint32_t hibernate_delay;
+} __ec_align4;
+
+/* Inform the EC when entering a sleep state */
+#define EC_CMD_HOST_SLEEP_EVENT 0x00A9
+
+enum host_sleep_event {
+ HOST_SLEEP_EVENT_S3_SUSPEND = 1,
+ HOST_SLEEP_EVENT_S3_RESUME = 2,
+ HOST_SLEEP_EVENT_S0IX_SUSPEND = 3,
+ HOST_SLEEP_EVENT_S0IX_RESUME = 4,
+ /* S3 suspend with additional enabled wake sources */
+ HOST_SLEEP_EVENT_S3_WAKEABLE_SUSPEND = 5,
+};
+
+struct ec_params_host_sleep_event {
+ uint8_t sleep_event;
+} __ec_align1;
+
+/*
+ * Use a default timeout value (CONFIG_SLEEP_TIMEOUT_MS) for detecting sleep
+ * transition failures
+ */
+#define EC_HOST_SLEEP_TIMEOUT_DEFAULT 0
+
+/* Disable timeout detection for this sleep transition */
+#define EC_HOST_SLEEP_TIMEOUT_INFINITE 0xFFFF
+
+struct ec_params_host_sleep_event_v1 {
+ /* The type of sleep being entered or exited. */
+ uint8_t sleep_event;
+
+ /* Padding */
+ uint8_t reserved;
+ union {
+ /* Parameters that apply for suspend messages. */
+ struct {
+ /*
+ * The timeout in milliseconds between when this message
+ * is received and when the EC will declare sleep
+ * transition failure if the sleep signal is not
+ * asserted.
+ */
+ uint16_t sleep_timeout_ms;
+ } suspend_params;
+
+ /* No parameters for non-suspend messages. */
+ };
+} __ec_align2;
+
+/* A timeout occurred when this bit is set */
+#define EC_HOST_RESUME_SLEEP_TIMEOUT 0x80000000
+
+/*
+ * The mask defining which bits correspond to the number of sleep transitions,
+ * as well as the maximum number of suspend line transitions that will be
+ * reported back to the host.
+ */
+#define EC_HOST_RESUME_SLEEP_TRANSITIONS_MASK 0x7FFFFFFF
+
+struct ec_response_host_sleep_event_v1 {
+ union {
+ /* Response fields that apply for resume messages. */
+ struct {
+ /*
+ * The number of sleep power signal transitions that
+ * occurred since the suspend message. The high bit
+ * indicates a timeout occurred.
+ */
+ uint32_t sleep_transitions;
+ } resume_response;
+
+ /* No response fields for non-resume messages. */
+ };
+} __ec_align4;
+
+/*****************************************************************************/
+/* Device events */
+#define EC_CMD_DEVICE_EVENT 0x00AA
+
+enum ec_device_event {
+ EC_DEVICE_EVENT_TRACKPAD,
+ EC_DEVICE_EVENT_DSP,
+ EC_DEVICE_EVENT_WIFI,
+};
+
+enum ec_device_event_param {
+ /* Get and clear pending device events */
+ EC_DEVICE_EVENT_PARAM_GET_CURRENT_EVENTS,
+ /* Get device event mask */
+ EC_DEVICE_EVENT_PARAM_GET_ENABLED_EVENTS,
+ /* Set device event mask */
+ EC_DEVICE_EVENT_PARAM_SET_ENABLED_EVENTS,
+};
+
+#define EC_DEVICE_EVENT_MASK(event_code) BIT(event_code % 32)
+
+struct ec_params_device_event {
+ uint32_t event_mask;
+ uint8_t param;
+} __ec_align_size1;
+
+struct ec_response_device_event {
+ uint32_t event_mask;
+} __ec_align4;
+
+/*****************************************************************************/
+/* Smart battery pass-through */
+
+/* Get / Set 16-bit smart battery registers */
+#define EC_CMD_SB_READ_WORD 0x00B0
+#define EC_CMD_SB_WRITE_WORD 0x00B1
+
+/* Get / Set string smart battery parameters
+ * formatted as SMBUS "block".
+ */
+#define EC_CMD_SB_READ_BLOCK 0x00B2
+#define EC_CMD_SB_WRITE_BLOCK 0x00B3
+
+struct ec_params_sb_rd {
+ uint8_t reg;
+} __ec_align1;
+
+struct ec_response_sb_rd_word {
+ uint16_t value;
+} __ec_align2;
+
+struct ec_params_sb_wr_word {
+ uint8_t reg;
+ uint16_t value;
+} __ec_align1;
+
+struct ec_response_sb_rd_block {
+ uint8_t data[32];
+} __ec_align1;
+
+struct ec_params_sb_wr_block {
+ uint8_t reg;
+ uint16_t data[32];
+} __ec_align1;
+
+/*****************************************************************************/
+/* Battery vendor parameters
+ *
+ * Get or set vendor-specific parameters in the battery. Implementations may
+ * differ between boards or batteries. On a set operation, the response
+ * contains the actual value set, which may be rounded or clipped from the
+ * requested value.
+ */
+
+#define EC_CMD_BATTERY_VENDOR_PARAM 0x00B4
+
+enum ec_battery_vendor_param_mode {
+ BATTERY_VENDOR_PARAM_MODE_GET = 0,
+ BATTERY_VENDOR_PARAM_MODE_SET,
+};
+
+struct ec_params_battery_vendor_param {
+ uint32_t param;
+ uint32_t value;
+ uint8_t mode;
+} __ec_align_size1;
+
+struct ec_response_battery_vendor_param {
+ uint32_t value;
+} __ec_align4;
+
+/*****************************************************************************/
+/*
+ * Smart Battery Firmware Update Commands
+ */
+#define EC_CMD_SB_FW_UPDATE 0x00B5
+
+enum ec_sb_fw_update_subcmd {
+ EC_SB_FW_UPDATE_PREPARE = 0x0,
+ EC_SB_FW_UPDATE_INFO = 0x1, /*query sb info */
+ EC_SB_FW_UPDATE_BEGIN = 0x2, /*check if protected */
+ EC_SB_FW_UPDATE_WRITE = 0x3, /*check if protected */
+ EC_SB_FW_UPDATE_END = 0x4,
+ EC_SB_FW_UPDATE_STATUS = 0x5,
+ EC_SB_FW_UPDATE_PROTECT = 0x6,
+ EC_SB_FW_UPDATE_MAX = 0x7,
+};
+
+#define SB_FW_UPDATE_CMD_WRITE_BLOCK_SIZE 32
+#define SB_FW_UPDATE_CMD_STATUS_SIZE 2
+#define SB_FW_UPDATE_CMD_INFO_SIZE 8
+
+struct ec_sb_fw_update_header {
+ uint16_t subcmd; /* enum ec_sb_fw_update_subcmd */
+ uint16_t fw_id; /* firmware id */
+} __ec_align4;
+
+struct ec_params_sb_fw_update {
+ struct ec_sb_fw_update_header hdr;
+ union {
+ /* EC_SB_FW_UPDATE_PREPARE = 0x0 */
+ /* EC_SB_FW_UPDATE_INFO = 0x1 */
+ /* EC_SB_FW_UPDATE_BEGIN = 0x2 */
+ /* EC_SB_FW_UPDATE_END = 0x4 */
+ /* EC_SB_FW_UPDATE_STATUS = 0x5 */
+ /* EC_SB_FW_UPDATE_PROTECT = 0x6 */
+ /* Those have no args */
+
+ /* EC_SB_FW_UPDATE_WRITE = 0x3 */
+ struct __ec_align4 {
+ uint8_t data[SB_FW_UPDATE_CMD_WRITE_BLOCK_SIZE];
+ } write;
+ };
+} __ec_align4;
+
+struct ec_response_sb_fw_update {
+ union {
+ /* EC_SB_FW_UPDATE_INFO = 0x1 */
+ struct __ec_align1 {
+ uint8_t data[SB_FW_UPDATE_CMD_INFO_SIZE];
+ } info;
+
+ /* EC_SB_FW_UPDATE_STATUS = 0x5 */
+ struct __ec_align1 {
+ uint8_t data[SB_FW_UPDATE_CMD_STATUS_SIZE];
+ } status;
+ };
+} __ec_align1;
+
+/*
+ * Entering Verified Boot Mode Command
+ * Default mode is VBOOT_MODE_NORMAL if EC did not receive this command.
+ * Valid Modes are: normal, developer, and recovery.
+ */
+#define EC_CMD_ENTERING_MODE 0x00B6
+
+struct ec_params_entering_mode {
+ int vboot_mode;
+} __ec_align4;
+
+#define VBOOT_MODE_NORMAL 0
+#define VBOOT_MODE_DEVELOPER 1
+#define VBOOT_MODE_RECOVERY 2
+
+/*****************************************************************************/
+/*
+ * I2C passthru protection command: Protects I2C tunnels against access on
+ * certain addresses (board-specific).
+ */
+#define EC_CMD_I2C_PASSTHRU_PROTECT 0x00B7
+
+enum ec_i2c_passthru_protect_subcmd {
+ EC_CMD_I2C_PASSTHRU_PROTECT_STATUS = 0x0,
+ EC_CMD_I2C_PASSTHRU_PROTECT_ENABLE = 0x1,
+};
+
+struct ec_params_i2c_passthru_protect {
+ uint8_t subcmd;
+ uint8_t port; /* I2C port number */
+} __ec_align1;
+
+struct ec_response_i2c_passthru_protect {
+ uint8_t status; /* Status flags (0: unlocked, 1: locked) */
+} __ec_align1;
+
+
+/*****************************************************************************/
+/*
+ * HDMI CEC commands
+ *
+ * These commands are for sending and receiving message via HDMI CEC
+ */
+
+#define MAX_CEC_MSG_LEN 16
+
+/* CEC message from the AP to be written on the CEC bus */
+#define EC_CMD_CEC_WRITE_MSG 0x00B8
+
+/**
+ * struct ec_params_cec_write - Message to write to the CEC bus
+ * @msg: message content to write to the CEC bus
+ */
+struct ec_params_cec_write {
+ uint8_t msg[MAX_CEC_MSG_LEN];
+} __ec_align1;
+
+/* Set various CEC parameters */
+#define EC_CMD_CEC_SET 0x00BA
+
+/**
+ * struct ec_params_cec_set - CEC parameters set
+ * @cmd: parameter type, can be CEC_CMD_ENABLE or CEC_CMD_LOGICAL_ADDRESS
+ * @val: in case cmd is CEC_CMD_ENABLE, this field can be 0 to disable CEC
+ * or 1 to enable CEC functionality, in case cmd is
+ * CEC_CMD_LOGICAL_ADDRESS, this field encodes the requested logical
+ * address between 0 and 15 or 0xff to unregister
+ */
+struct ec_params_cec_set {
+ uint8_t cmd; /* enum cec_command */
+ uint8_t val;
+} __ec_align1;
+
+/* Read various CEC parameters */
+#define EC_CMD_CEC_GET 0x00BB
+
+/**
+ * struct ec_params_cec_get - CEC parameters get
+ * @cmd: parameter type, can be CEC_CMD_ENABLE or CEC_CMD_LOGICAL_ADDRESS
+ */
+struct ec_params_cec_get {
+ uint8_t cmd; /* enum cec_command */
+} __ec_align1;
+
+/**
+ * struct ec_response_cec_get - CEC parameters get response
+ * @val: in case cmd was CEC_CMD_ENABLE, this field will 0 if CEC is
+ * disabled or 1 if CEC functionality is enabled,
+ * in case cmd was CEC_CMD_LOGICAL_ADDRESS, this will encode the
+ * configured logical address between 0 and 15 or 0xff if unregistered
+ */
+struct ec_response_cec_get {
+ uint8_t val;
+} __ec_align1;
+
+/* CEC parameters command */
+enum cec_command {
+ /* CEC reading, writing and events enable */
+ CEC_CMD_ENABLE,
+ /* CEC logical address */
+ CEC_CMD_LOGICAL_ADDRESS,
+};
+
+/* Events from CEC to AP */
+enum mkbp_cec_event {
+ /* Outgoing message was acknowledged by a follower */
+ EC_MKBP_CEC_SEND_OK = BIT(0),
+ /* Outgoing message was not acknowledged */
+ EC_MKBP_CEC_SEND_FAILED = BIT(1),
+};
+
+/*****************************************************************************/
+
+/* Commands for I2S recording on audio codec. */
+
+#define EC_CMD_CODEC_I2S 0x00BC
+#define EC_WOV_I2S_SAMPLE_RATE 48000
+
+enum ec_codec_i2s_subcmd {
+ EC_CODEC_SET_SAMPLE_DEPTH = 0x0,
+ EC_CODEC_SET_GAIN = 0x1,
+ EC_CODEC_GET_GAIN = 0x2,
+ EC_CODEC_I2S_ENABLE = 0x3,
+ EC_CODEC_I2S_SET_CONFIG = 0x4,
+ EC_CODEC_I2S_SET_TDM_CONFIG = 0x5,
+ EC_CODEC_I2S_SET_BCLK = 0x6,
+ EC_CODEC_I2S_SUBCMD_COUNT = 0x7,
+};
+
+enum ec_sample_depth_value {
+ EC_CODEC_SAMPLE_DEPTH_16 = 0,
+ EC_CODEC_SAMPLE_DEPTH_24 = 1,
+};
+
+enum ec_i2s_config {
+ EC_DAI_FMT_I2S = 0,
+ EC_DAI_FMT_RIGHT_J = 1,
+ EC_DAI_FMT_LEFT_J = 2,
+ EC_DAI_FMT_PCM_A = 3,
+ EC_DAI_FMT_PCM_B = 4,
+ EC_DAI_FMT_PCM_TDM = 5,
+};
+
+/*
+ * For subcommand EC_CODEC_GET_GAIN.
+ */
+struct __ec_align1 ec_codec_i2s_gain {
+ uint8_t left;
+ uint8_t right;
+};
+
+struct __ec_todo_unpacked ec_param_codec_i2s_tdm {
+ int16_t ch0_delay; /* 0 to 496 */
+ int16_t ch1_delay; /* -1 to 496 */
+ uint8_t adjacent_to_ch0;
+ uint8_t adjacent_to_ch1;
+};
+
+struct __ec_todo_packed ec_param_codec_i2s {
+ /* enum ec_codec_i2s_subcmd */
+ uint8_t cmd;
+ union {
+ /*
+ * EC_CODEC_SET_SAMPLE_DEPTH
+ * Value should be one of ec_sample_depth_value.
+ */
+ uint8_t depth;
+
+ /*
+ * EC_CODEC_SET_GAIN
+ * Value should be 0~43 for both channels.
+ */
+ struct ec_codec_i2s_gain gain;
+
+ /*
+ * EC_CODEC_I2S_ENABLE
+ * 1 to enable, 0 to disable.
+ */
+ uint8_t i2s_enable;
+
+ /*
+ * EC_CODEC_I2S_SET_CONFIG
+ * Value should be one of ec_i2s_config.
+ */
+ uint8_t i2s_config;
+
+ /*
+ * EC_CODEC_I2S_SET_TDM_CONFIG
+ * Value should be one of ec_i2s_config.
+ */
+ struct ec_param_codec_i2s_tdm tdm_param;
+
+ /*
+ * EC_CODEC_I2S_SET_BCLK
+ */
+ uint32_t bclk;
+ };
+};
+
+
+/*****************************************************************************/
+/* System commands */
+
+/*
+ * TODO(crosbug.com/p/23747): This is a confusing name, since it doesn't
+ * necessarily reboot the EC. Rename to "image" or something similar?
+ */
+#define EC_CMD_REBOOT_EC 0x00D2
+
+/* Command */
+enum ec_reboot_cmd {
+ EC_REBOOT_CANCEL = 0, /* Cancel a pending reboot */
+ EC_REBOOT_JUMP_RO = 1, /* Jump to RO without rebooting */
+ EC_REBOOT_JUMP_RW = 2, /* Jump to active RW without rebooting */
+ /* (command 3 was jump to RW-B) */
+ EC_REBOOT_COLD = 4, /* Cold-reboot */
+ EC_REBOOT_DISABLE_JUMP = 5, /* Disable jump until next reboot */
+ EC_REBOOT_HIBERNATE = 6, /* Hibernate EC */
+ EC_REBOOT_HIBERNATE_CLEAR_AP_OFF = 7, /* and clears AP_OFF flag */
+};
+
+/* Flags for ec_params_reboot_ec.reboot_flags */
+#define EC_REBOOT_FLAG_RESERVED0 BIT(0) /* Was recovery request */
+#define EC_REBOOT_FLAG_ON_AP_SHUTDOWN BIT(1) /* Reboot after AP shutdown */
+#define EC_REBOOT_FLAG_SWITCH_RW_SLOT BIT(2) /* Switch RW slot */
+
+struct ec_params_reboot_ec {
+ uint8_t cmd; /* enum ec_reboot_cmd */
+ uint8_t flags; /* See EC_REBOOT_FLAG_* */
+} __ec_align1;
+
+/*
+ * Get information on last EC panic.
+ *
+ * Returns variable-length platform-dependent panic information. See panic.h
+ * for details.
+ */
+#define EC_CMD_GET_PANIC_INFO 0x00D3
+
+/*****************************************************************************/
+/*
+ * Special commands
+ *
+ * These do not follow the normal rules for commands. See each command for
+ * details.
+ */
+
+/*
+ * Reboot NOW
+ *
+ * This command will work even when the EC LPC interface is busy, because the
+ * reboot command is processed at interrupt level. Note that when the EC
+ * reboots, the host will reboot too, so there is no response to this command.
+ *
+ * Use EC_CMD_REBOOT_EC to reboot the EC more politely.
+ */
+#define EC_CMD_REBOOT 0x00D1 /* Think "die" */
+
+/*
+ * Resend last response (not supported on LPC).
+ *
+ * Returns EC_RES_UNAVAILABLE if there is no response available - for example,
+ * there was no previous command, or the previous command's response was too
+ * big to save.
+ */
+#define EC_CMD_RESEND_RESPONSE 0x00DB
+
+/*
+ * This header byte on a command indicate version 0. Any header byte less
+ * than this means that we are talking to an old EC which doesn't support
+ * versioning. In that case, we assume version 0.
+ *
+ * Header bytes greater than this indicate a later version. For example,
+ * EC_CMD_VERSION0 + 1 means we are using version 1.
+ *
+ * The old EC interface must not use commands 0xdc or higher.
+ */
+#define EC_CMD_VERSION0 0x00DC
+
+/*****************************************************************************/
+/*
+ * PD commands
+ *
+ * These commands are for PD MCU communication.
+ */
+
+/* EC to PD MCU exchange status command */
+#define EC_CMD_PD_EXCHANGE_STATUS 0x0100
+#define EC_VER_PD_EXCHANGE_STATUS 2
+
+enum pd_charge_state {
+ PD_CHARGE_NO_CHANGE = 0, /* Don't change charge state */
+ PD_CHARGE_NONE, /* No charging allowed */
+ PD_CHARGE_5V, /* 5V charging only */
+ PD_CHARGE_MAX /* Charge at max voltage */
+};
+
+/* Status of EC being sent to PD */
+#define EC_STATUS_HIBERNATING BIT(0)
+
+struct ec_params_pd_status {
+ uint8_t status; /* EC status */
+ int8_t batt_soc; /* battery state of charge */
+ uint8_t charge_state; /* charging state (from enum pd_charge_state) */
+} __ec_align1;
+
+/* Status of PD being sent back to EC */
+#define PD_STATUS_HOST_EVENT BIT(0) /* Forward host event to AP */
+#define PD_STATUS_IN_RW BIT(1) /* Running RW image */
+#define PD_STATUS_JUMPED_TO_IMAGE BIT(2) /* Current image was jumped to */
+#define PD_STATUS_TCPC_ALERT_0 BIT(3) /* Alert active in port 0 TCPC */
+#define PD_STATUS_TCPC_ALERT_1 BIT(4) /* Alert active in port 1 TCPC */
+#define PD_STATUS_TCPC_ALERT_2 BIT(5) /* Alert active in port 2 TCPC */
+#define PD_STATUS_TCPC_ALERT_3 BIT(6) /* Alert active in port 3 TCPC */
+#define PD_STATUS_EC_INT_ACTIVE (PD_STATUS_TCPC_ALERT_0 | \
+ PD_STATUS_TCPC_ALERT_1 | \
+ PD_STATUS_HOST_EVENT)
+struct ec_response_pd_status {
+ uint32_t curr_lim_ma; /* input current limit */
+ uint16_t status; /* PD MCU status */
+ int8_t active_charge_port; /* active charging port */
+} __ec_align_size1;
+
+/* AP to PD MCU host event status command, cleared on read */
+#define EC_CMD_PD_HOST_EVENT_STATUS 0x0104
+
+/* PD MCU host event status bits */
+#define PD_EVENT_UPDATE_DEVICE BIT(0)
+#define PD_EVENT_POWER_CHANGE BIT(1)
+#define PD_EVENT_IDENTITY_RECEIVED BIT(2)
+#define PD_EVENT_DATA_SWAP BIT(3)
+struct ec_response_host_event_status {
+ uint32_t status; /* PD MCU host event status */
+} __ec_align4;
+
+/* Set USB type-C port role and muxes */
+#define EC_CMD_USB_PD_CONTROL 0x0101
+
+enum usb_pd_control_role {
+ USB_PD_CTRL_ROLE_NO_CHANGE = 0,
+ USB_PD_CTRL_ROLE_TOGGLE_ON = 1, /* == AUTO */
+ USB_PD_CTRL_ROLE_TOGGLE_OFF = 2,
+ USB_PD_CTRL_ROLE_FORCE_SINK = 3,
+ USB_PD_CTRL_ROLE_FORCE_SOURCE = 4,
+ USB_PD_CTRL_ROLE_FREEZE = 5,
+ USB_PD_CTRL_ROLE_COUNT
+};
+
+enum usb_pd_control_mux {
+ USB_PD_CTRL_MUX_NO_CHANGE = 0,
+ USB_PD_CTRL_MUX_NONE = 1,
+ USB_PD_CTRL_MUX_USB = 2,
+ USB_PD_CTRL_MUX_DP = 3,
+ USB_PD_CTRL_MUX_DOCK = 4,
+ USB_PD_CTRL_MUX_AUTO = 5,
+ USB_PD_CTRL_MUX_COUNT
+};
+
+enum usb_pd_control_swap {
+ USB_PD_CTRL_SWAP_NONE = 0,
+ USB_PD_CTRL_SWAP_DATA = 1,
+ USB_PD_CTRL_SWAP_POWER = 2,
+ USB_PD_CTRL_SWAP_VCONN = 3,
+ USB_PD_CTRL_SWAP_COUNT
+};
+
+struct ec_params_usb_pd_control {
+ uint8_t port;
+ uint8_t role;
+ uint8_t mux;
+ uint8_t swap;
+} __ec_align1;
+
+#define PD_CTRL_RESP_ENABLED_COMMS BIT(0) /* Communication enabled */
+#define PD_CTRL_RESP_ENABLED_CONNECTED BIT(1) /* Device connected */
+#define PD_CTRL_RESP_ENABLED_PD_CAPABLE BIT(2) /* Partner is PD capable */
+
+#define PD_CTRL_RESP_ROLE_POWER BIT(0) /* 0=SNK/1=SRC */
+#define PD_CTRL_RESP_ROLE_DATA BIT(1) /* 0=UFP/1=DFP */
+#define PD_CTRL_RESP_ROLE_VCONN BIT(2) /* Vconn status */
+#define PD_CTRL_RESP_ROLE_DR_POWER BIT(3) /* Partner is dualrole power */
+#define PD_CTRL_RESP_ROLE_DR_DATA BIT(4) /* Partner is dualrole data */
+#define PD_CTRL_RESP_ROLE_USB_COMM BIT(5) /* Partner USB comm capable */
+#define PD_CTRL_RESP_ROLE_EXT_POWERED BIT(6) /* Partner externally powerd */
+
+struct ec_response_usb_pd_control {
+ uint8_t enabled;
+ uint8_t role;
+ uint8_t polarity;
+ uint8_t state;
+} __ec_align1;
+
+struct ec_response_usb_pd_control_v1 {
+ uint8_t enabled;
+ uint8_t role;
+ uint8_t polarity;
+ char state[32];
+} __ec_align1;
+
+/* Values representing usbc PD CC state */
+#define USBC_PD_CC_NONE 0 /* No accessory connected */
+#define USBC_PD_CC_NO_UFP 1 /* No UFP accessory connected */
+#define USBC_PD_CC_AUDIO_ACC 2 /* Audio accessory connected */
+#define USBC_PD_CC_DEBUG_ACC 3 /* Debug accessory connected */
+#define USBC_PD_CC_UFP_ATTACHED 4 /* UFP attached to usbc */
+#define USBC_PD_CC_DFP_ATTACHED 5 /* DPF attached to usbc */
+
+struct ec_response_usb_pd_control_v2 {
+ uint8_t enabled;
+ uint8_t role;
+ uint8_t polarity;
+ char state[32];
+ uint8_t cc_state; /* USBC_PD_CC_*Encoded cc state */
+ uint8_t dp_mode; /* Current DP pin mode (MODE_DP_PIN_[A-E]) */
+ /* CL:1500994 Current cable type */
+ uint8_t reserved_cable_type;
+} __ec_align1;
+
+#define EC_CMD_USB_PD_PORTS 0x0102
+
+/* Maximum number of PD ports on a device, num_ports will be <= this */
+#define EC_USB_PD_MAX_PORTS 8
+
+struct ec_response_usb_pd_ports {
+ uint8_t num_ports;
+} __ec_align1;
+
+#define EC_CMD_USB_PD_POWER_INFO 0x0103
+
+#define PD_POWER_CHARGING_PORT 0xff
+struct ec_params_usb_pd_power_info {
+ uint8_t port;
+} __ec_align1;
+
+enum usb_chg_type {
+ USB_CHG_TYPE_NONE,
+ USB_CHG_TYPE_PD,
+ USB_CHG_TYPE_C,
+ USB_CHG_TYPE_PROPRIETARY,
+ USB_CHG_TYPE_BC12_DCP,
+ USB_CHG_TYPE_BC12_CDP,
+ USB_CHG_TYPE_BC12_SDP,
+ USB_CHG_TYPE_OTHER,
+ USB_CHG_TYPE_VBUS,
+ USB_CHG_TYPE_UNKNOWN,
+ USB_CHG_TYPE_DEDICATED,
+};
+enum usb_power_roles {
+ USB_PD_PORT_POWER_DISCONNECTED,
+ USB_PD_PORT_POWER_SOURCE,
+ USB_PD_PORT_POWER_SINK,
+ USB_PD_PORT_POWER_SINK_NOT_CHARGING,
+};
+
+struct usb_chg_measures {
+ uint16_t voltage_max;
+ uint16_t voltage_now;
+ uint16_t current_max;
+ uint16_t current_lim;
+} __ec_align2;
+
+struct ec_response_usb_pd_power_info {
+ uint8_t role;
+ uint8_t type;
+ uint8_t dualrole;
+ uint8_t reserved1;
+ struct usb_chg_measures meas;
+ uint32_t max_power;
+} __ec_align4;
+
+
+/*
+ * This command will return the number of USB PD charge port + the number
+ * of dedicated port present.
+ * EC_CMD_USB_PD_PORTS does NOT include the dedicated ports
+ */
+#define EC_CMD_CHARGE_PORT_COUNT 0x0105
+struct ec_response_charge_port_count {
+ uint8_t port_count;
+} __ec_align1;
+
+/* Write USB-PD device FW */
+#define EC_CMD_USB_PD_FW_UPDATE 0x0110
+
+enum usb_pd_fw_update_cmds {
+ USB_PD_FW_REBOOT,
+ USB_PD_FW_FLASH_ERASE,
+ USB_PD_FW_FLASH_WRITE,
+ USB_PD_FW_ERASE_SIG,
+};
+
+struct ec_params_usb_pd_fw_update {
+ uint16_t dev_id;
+ uint8_t cmd;
+ uint8_t port;
+ uint32_t size; /* Size to write in bytes */
+ /* Followed by data to write */
+} __ec_align4;
+
+/* Write USB-PD Accessory RW_HASH table entry */
+#define EC_CMD_USB_PD_RW_HASH_ENTRY 0x0111
+/* RW hash is first 20 bytes of SHA-256 of RW section */
+#define PD_RW_HASH_SIZE 20
+struct ec_params_usb_pd_rw_hash_entry {
+ uint16_t dev_id;
+ uint8_t dev_rw_hash[PD_RW_HASH_SIZE];
+ uint8_t reserved; /*
+ * For alignment of current_image
+ * TODO(rspangler) but it's not aligned!
+ * Should have been reserved[2].
+ */
+ uint32_t current_image; /* One of ec_current_image */
+} __ec_align1;
+
+/* Read USB-PD Accessory info */
+#define EC_CMD_USB_PD_DEV_INFO 0x0112
+
+struct ec_params_usb_pd_info_request {
+ uint8_t port;
+} __ec_align1;
+
+/* Read USB-PD Device discovery info */
+#define EC_CMD_USB_PD_DISCOVERY 0x0113
+struct ec_params_usb_pd_discovery_entry {
+ uint16_t vid; /* USB-IF VID */
+ uint16_t pid; /* USB-IF PID */
+ uint8_t ptype; /* product type (hub,periph,cable,ama) */
+} __ec_align_size1;
+
+/* Override default charge behavior */
+#define EC_CMD_PD_CHARGE_PORT_OVERRIDE 0x0114
+
+/* Negative port parameters have special meaning */
+enum usb_pd_override_ports {
+ OVERRIDE_DONT_CHARGE = -2,
+ OVERRIDE_OFF = -1,
+ /* [0, CONFIG_USB_PD_PORT_COUNT): Port# */
+};
+
+struct ec_params_charge_port_override {
+ int16_t override_port; /* Override port# */
+} __ec_align2;
+
+/*
+ * Read (and delete) one entry of PD event log.
+ * TODO(crbug.com/751742): Make this host command more generic to accommodate
+ * future non-PD logs that use the same internal EC event_log.
+ */
+#define EC_CMD_PD_GET_LOG_ENTRY 0x0115
+
+struct ec_response_pd_log {
+ uint32_t timestamp; /* relative timestamp in milliseconds */
+ uint8_t type; /* event type : see PD_EVENT_xx below */
+ uint8_t size_port; /* [7:5] port number [4:0] payload size in bytes */
+ uint16_t data; /* type-defined data payload */
+ uint8_t payload[0]; /* optional additional data payload: 0..16 bytes */
+} __ec_align4;
+
+/* The timestamp is the microsecond counter shifted to get about a ms. */
+#define PD_LOG_TIMESTAMP_SHIFT 10 /* 1 LSB = 1024us */
+
+#define PD_LOG_SIZE_MASK 0x1f
+#define PD_LOG_PORT_MASK 0xe0
+#define PD_LOG_PORT_SHIFT 5
+#define PD_LOG_PORT_SIZE(port, size) (((port) << PD_LOG_PORT_SHIFT) | \
+ ((size) & PD_LOG_SIZE_MASK))
+#define PD_LOG_PORT(size_port) ((size_port) >> PD_LOG_PORT_SHIFT)
+#define PD_LOG_SIZE(size_port) ((size_port) & PD_LOG_SIZE_MASK)
+
+/* PD event log : entry types */
+/* PD MCU events */
+#define PD_EVENT_MCU_BASE 0x00
+#define PD_EVENT_MCU_CHARGE (PD_EVENT_MCU_BASE+0)
+#define PD_EVENT_MCU_CONNECT (PD_EVENT_MCU_BASE+1)
+/* Reserved for custom board event */
+#define PD_EVENT_MCU_BOARD_CUSTOM (PD_EVENT_MCU_BASE+2)
+/* PD generic accessory events */
+#define PD_EVENT_ACC_BASE 0x20
+#define PD_EVENT_ACC_RW_FAIL (PD_EVENT_ACC_BASE+0)
+#define PD_EVENT_ACC_RW_ERASE (PD_EVENT_ACC_BASE+1)
+/* PD power supply events */
+#define PD_EVENT_PS_BASE 0x40
+#define PD_EVENT_PS_FAULT (PD_EVENT_PS_BASE+0)
+/* PD video dongles events */
+#define PD_EVENT_VIDEO_BASE 0x60
+#define PD_EVENT_VIDEO_DP_MODE (PD_EVENT_VIDEO_BASE+0)
+#define PD_EVENT_VIDEO_CODEC (PD_EVENT_VIDEO_BASE+1)
+/* Returned in the "type" field, when there is no entry available */
+#define PD_EVENT_NO_ENTRY 0xff
+
+/*
+ * PD_EVENT_MCU_CHARGE event definition :
+ * the payload is "struct usb_chg_measures"
+ * the data field contains the port state flags as defined below :
+ */
+/* Port partner is a dual role device */
+#define CHARGE_FLAGS_DUAL_ROLE BIT(15)
+/* Port is the pending override port */
+#define CHARGE_FLAGS_DELAYED_OVERRIDE BIT(14)
+/* Port is the override port */
+#define CHARGE_FLAGS_OVERRIDE BIT(13)
+/* Charger type */
+#define CHARGE_FLAGS_TYPE_SHIFT 3
+#define CHARGE_FLAGS_TYPE_MASK (0xf << CHARGE_FLAGS_TYPE_SHIFT)
+/* Power delivery role */
+#define CHARGE_FLAGS_ROLE_MASK (7 << 0)
+
+/*
+ * PD_EVENT_PS_FAULT data field flags definition :
+ */
+#define PS_FAULT_OCP 1
+#define PS_FAULT_FAST_OCP 2
+#define PS_FAULT_OVP 3
+#define PS_FAULT_DISCH 4
+
+/*
+ * PD_EVENT_VIDEO_CODEC payload is "struct mcdp_info".
+ */
+struct mcdp_version {
+ uint8_t major;
+ uint8_t minor;
+ uint16_t build;
+} __ec_align4;
+
+struct mcdp_info {
+ uint8_t family[2];
+ uint8_t chipid[2];
+ struct mcdp_version irom;
+ struct mcdp_version fw;
+} __ec_align4;
+
+/* struct mcdp_info field decoding */
+#define MCDP_CHIPID(chipid) ((chipid[0] << 8) | chipid[1])
+#define MCDP_FAMILY(family) ((family[0] << 8) | family[1])
+
+/* Get/Set USB-PD Alternate mode info */
+#define EC_CMD_USB_PD_GET_AMODE 0x0116
+struct ec_params_usb_pd_get_mode_request {
+ uint16_t svid_idx; /* SVID index to get */
+ uint8_t port; /* port */
+} __ec_align_size1;
+
+struct ec_params_usb_pd_get_mode_response {
+ uint16_t svid; /* SVID */
+ uint16_t opos; /* Object Position */
+ uint32_t vdo[6]; /* Mode VDOs */
+} __ec_align4;
+
+#define EC_CMD_USB_PD_SET_AMODE 0x0117
+
+enum pd_mode_cmd {
+ PD_EXIT_MODE = 0,
+ PD_ENTER_MODE = 1,
+ /* Not a command. Do NOT remove. */
+ PD_MODE_CMD_COUNT,
+};
+
+struct ec_params_usb_pd_set_mode_request {
+ uint32_t cmd; /* enum pd_mode_cmd */
+ uint16_t svid; /* SVID to set */
+ uint8_t opos; /* Object Position */
+ uint8_t port; /* port */
+} __ec_align4;
+
+/* Ask the PD MCU to record a log of a requested type */
+#define EC_CMD_PD_WRITE_LOG_ENTRY 0x0118
+
+struct ec_params_pd_write_log_entry {
+ uint8_t type; /* event type : see PD_EVENT_xx above */
+ uint8_t port; /* port#, or 0 for events unrelated to a given port */
+} __ec_align1;
+
+
+/* Control USB-PD chip */
+#define EC_CMD_PD_CONTROL 0x0119
+
+enum ec_pd_control_cmd {
+ PD_SUSPEND = 0, /* Suspend the PD chip (EC: stop talking to PD) */
+ PD_RESUME, /* Resume the PD chip (EC: start talking to PD) */
+ PD_RESET, /* Force reset the PD chip */
+ PD_CONTROL_DISABLE, /* Disable further calls to this command */
+ PD_CHIP_ON, /* Power on the PD chip */
+};
+
+struct ec_params_pd_control {
+ uint8_t chip; /* chip id */
+ uint8_t subcmd;
+} __ec_align1;
+
+/* Get info about USB-C SS muxes */
+#define EC_CMD_USB_PD_MUX_INFO 0x011A
+
+struct ec_params_usb_pd_mux_info {
+ uint8_t port; /* USB-C port number */
+} __ec_align1;
+
+/* Flags representing mux state */
+#define USB_PD_MUX_USB_ENABLED BIT(0) /* USB connected */
+#define USB_PD_MUX_DP_ENABLED BIT(1) /* DP connected */
+#define USB_PD_MUX_POLARITY_INVERTED BIT(2) /* CC line Polarity inverted */
+#define USB_PD_MUX_HPD_IRQ BIT(3) /* HPD IRQ is asserted */
+#define USB_PD_MUX_HPD_LVL BIT(4) /* HPD level is asserted */
+
+struct ec_response_usb_pd_mux_info {
+ uint8_t flags; /* USB_PD_MUX_*-encoded USB mux state */
+} __ec_align1;
+
+#define EC_CMD_PD_CHIP_INFO 0x011B
+
+struct ec_params_pd_chip_info {
+ uint8_t port; /* USB-C port number */
+ uint8_t renew; /* Force renewal */
+} __ec_align1;
+
+struct ec_response_pd_chip_info {
+ uint16_t vendor_id;
+ uint16_t product_id;
+ uint16_t device_id;
+ union {
+ uint8_t fw_version_string[8];
+ uint64_t fw_version_number;
+ };
+} __ec_align2;
+
+struct ec_response_pd_chip_info_v1 {
+ uint16_t vendor_id;
+ uint16_t product_id;
+ uint16_t device_id;
+ union {
+ uint8_t fw_version_string[8];
+ uint64_t fw_version_number;
+ };
+ union {
+ uint8_t min_req_fw_version_string[8];
+ uint64_t min_req_fw_version_number;
+ };
+} __ec_align2;
+
+/* Run RW signature verification and get status */
+#define EC_CMD_RWSIG_CHECK_STATUS 0x011C
+
+struct ec_response_rwsig_check_status {
+ uint32_t status;
+} __ec_align4;
+
+/* For controlling RWSIG task */
+#define EC_CMD_RWSIG_ACTION 0x011D
+
+enum rwsig_action {
+ RWSIG_ACTION_ABORT = 0, /* Abort RWSIG and prevent jumping */
+ RWSIG_ACTION_CONTINUE = 1, /* Jump to RW immediately */
+};
+
+struct ec_params_rwsig_action {
+ uint32_t action;
+} __ec_align4;
+
+/* Run verification on a slot */
+#define EC_CMD_EFS_VERIFY 0x011E
+
+struct ec_params_efs_verify {
+ uint8_t region; /* enum ec_flash_region */
+} __ec_align1;
+
+/*
+ * Retrieve info from Cros Board Info store. Response is based on the data
+ * type. Integers return a uint32. Strings return a string, using the response
+ * size to determine how big it is.
+ */
+#define EC_CMD_GET_CROS_BOARD_INFO 0x011F
+/*
+ * Write info into Cros Board Info on EEPROM. Write fails if the board has
+ * hardware write-protect enabled.
+ */
+#define EC_CMD_SET_CROS_BOARD_INFO 0x0120
+
+enum cbi_data_tag {
+ CBI_TAG_BOARD_VERSION = 0, /* uint32_t or smaller */
+ CBI_TAG_OEM_ID = 1, /* uint32_t or smaller */
+ CBI_TAG_SKU_ID = 2, /* uint32_t or smaller */
+ CBI_TAG_DRAM_PART_NUM = 3, /* variable length ascii, nul terminated. */
+ CBI_TAG_OEM_NAME = 4, /* variable length ascii, nul terminated. */
+ CBI_TAG_MODEL_ID = 5, /* uint32_t or smaller */
+ CBI_TAG_COUNT,
+};
+
+/*
+ * Flags to control read operation
+ *
+ * RELOAD: Invalidate cache and read data from EEPROM. Useful to verify
+ * write was successful without reboot.
+ */
+#define CBI_GET_RELOAD BIT(0)
+
+struct ec_params_get_cbi {
+ uint32_t tag; /* enum cbi_data_tag */
+ uint32_t flag; /* CBI_GET_* */
+} __ec_align4;
+
+/*
+ * Flags to control write behavior.
+ *
+ * NO_SYNC: Makes EC update data in RAM but skip writing to EEPROM. It's
+ * useful when writing multiple fields in a row.
+ * INIT: Need to be set when creating a new CBI from scratch. All fields
+ * will be initialized to zero first.
+ */
+#define CBI_SET_NO_SYNC BIT(0)
+#define CBI_SET_INIT BIT(1)
+
+struct ec_params_set_cbi {
+ uint32_t tag; /* enum cbi_data_tag */
+ uint32_t flag; /* CBI_SET_* */
+ uint32_t size; /* Data size */
+ uint8_t data[]; /* For string and raw data */
+} __ec_align1;
+
+/*
+ * Information about resets of the AP by the EC and the EC's own uptime.
+ */
+#define EC_CMD_GET_UPTIME_INFO 0x0121
+
+struct ec_response_uptime_info {
+ /*
+ * Number of milliseconds since the last EC boot. Sysjump resets
+ * typically do not restart the EC's time_since_boot epoch.
+ *
+ * WARNING: The EC's sense of time is much less accurate than the AP's
+ * sense of time, in both phase and frequency. This timebase is similar
+ * to CLOCK_MONOTONIC_RAW, but with 1% or more frequency error.
+ */
+ uint32_t time_since_ec_boot_ms;
+
+ /*
+ * Number of times the AP was reset by the EC since the last EC boot.
+ * Note that the AP may be held in reset by the EC during the initial
+ * boot sequence, such that the very first AP boot may count as more
+ * than one here.
+ */
+ uint32_t ap_resets_since_ec_boot;
+
+ /*
+ * The set of flags which describe the EC's most recent reset. See
+ * include/system.h RESET_FLAG_* for details.
+ */
+ uint32_t ec_reset_flags;
+
+ /* Empty log entries have both the cause and timestamp set to zero. */
+ struct ap_reset_log_entry {
+ /*
+ * See include/chipset.h: enum chipset_{reset,shutdown}_reason
+ * for details.
+ */
+ uint16_t reset_cause;
+
+ /* Reserved for protocol growth. */
+ uint16_t reserved;
+
+ /*
+ * The time of the reset's assertion, in milliseconds since the
+ * last EC boot, in the same epoch as time_since_ec_boot_ms.
+ * Set to zero if the log entry is empty.
+ */
+ uint32_t reset_time_ms;
+ } recent_ap_reset[4];
+} __ec_align4;
+
+/*
+ * Add entropy to the device secret (stored in the rollback region).
+ *
+ * Depending on the chip, the operation may take a long time (e.g. to erase
+ * flash), so the commands are asynchronous.
+ */
+#define EC_CMD_ADD_ENTROPY 0x0122
+
+enum add_entropy_action {
+ /* Add entropy to the current secret. */
+ ADD_ENTROPY_ASYNC = 0,
+ /*
+ * Add entropy, and also make sure that the previous secret is erased.
+ * (this can be implemented by adding entropy multiple times until
+ * all rolback blocks have been overwritten).
+ */
+ ADD_ENTROPY_RESET_ASYNC = 1,
+ /* Read back result from the previous operation. */
+ ADD_ENTROPY_GET_RESULT = 2,
+};
+
+struct ec_params_rollback_add_entropy {
+ uint8_t action;
+} __ec_align1;
+
+/*
+ * Perform a single read of a given ADC channel.
+ */
+#define EC_CMD_ADC_READ 0x0123
+
+struct ec_params_adc_read {
+ uint8_t adc_channel;
+} __ec_align1;
+
+struct ec_response_adc_read {
+ int32_t adc_value;
+} __ec_align4;
+
+/*
+ * Read back rollback info
+ */
+#define EC_CMD_ROLLBACK_INFO 0x0124
+
+struct ec_response_rollback_info {
+ int32_t id; /* Incrementing number to indicate which region to use. */
+ int32_t rollback_min_version;
+ int32_t rw_rollback_version;
+} __ec_align4;
+
+
+/* Issue AP reset */
+#define EC_CMD_AP_RESET 0x0125
+
+/*****************************************************************************/
+/* The command range 0x200-0x2FF is reserved for Rotor. */
+
+/*****************************************************************************/
+/*
+ * Reserve a range of host commands for the CR51 firmware.
+ */
+#define EC_CMD_CR51_BASE 0x0300
+#define EC_CMD_CR51_LAST 0x03FF
+
+/*****************************************************************************/
+/* Fingerprint MCU commands: range 0x0400-0x040x */
+
+/* Fingerprint SPI sensor passthru command: prototyping ONLY */
+#define EC_CMD_FP_PASSTHRU 0x0400
+
+#define EC_FP_FLAG_NOT_COMPLETE 0x1
+
+struct ec_params_fp_passthru {
+ uint16_t len; /* Number of bytes to write then read */
+ uint16_t flags; /* EC_FP_FLAG_xxx */
+ uint8_t data[]; /* Data to send */
+} __ec_align2;
+
+/* Configure the Fingerprint MCU behavior */
+#define EC_CMD_FP_MODE 0x0402
+
+/* Put the sensor in its lowest power mode */
+#define FP_MODE_DEEPSLEEP BIT(0)
+/* Wait to see a finger on the sensor */
+#define FP_MODE_FINGER_DOWN BIT(1)
+/* Poll until the finger has left the sensor */
+#define FP_MODE_FINGER_UP BIT(2)
+/* Capture the current finger image */
+#define FP_MODE_CAPTURE BIT(3)
+/* Finger enrollment session on-going */
+#define FP_MODE_ENROLL_SESSION BIT(4)
+/* Enroll the current finger image */
+#define FP_MODE_ENROLL_IMAGE BIT(5)
+/* Try to match the current finger image */
+#define FP_MODE_MATCH BIT(6)
+/* Reset and re-initialize the sensor. */
+#define FP_MODE_RESET_SENSOR BIT(7)
+/* special value: don't change anything just read back current mode */
+#define FP_MODE_DONT_CHANGE BIT(31)
+
+#define FP_VALID_MODES (FP_MODE_DEEPSLEEP | \
+ FP_MODE_FINGER_DOWN | \
+ FP_MODE_FINGER_UP | \
+ FP_MODE_CAPTURE | \
+ FP_MODE_ENROLL_SESSION | \
+ FP_MODE_ENROLL_IMAGE | \
+ FP_MODE_MATCH | \
+ FP_MODE_RESET_SENSOR | \
+ FP_MODE_DONT_CHANGE)
+
+/* Capture types defined in bits [30..28] */
+#define FP_MODE_CAPTURE_TYPE_SHIFT 28
+#define FP_MODE_CAPTURE_TYPE_MASK (0x7 << FP_MODE_CAPTURE_TYPE_SHIFT)
+/*
+ * This enum must remain ordered, if you add new values you must ensure that
+ * FP_CAPTURE_TYPE_MAX is still the last one.
+ */
+enum fp_capture_type {
+ /* Full blown vendor-defined capture (produces 'frame_size' bytes) */
+ FP_CAPTURE_VENDOR_FORMAT = 0,
+ /* Simple raw image capture (produces width x height x bpp bits) */
+ FP_CAPTURE_SIMPLE_IMAGE = 1,
+ /* Self test pattern (e.g. checkerboard) */
+ FP_CAPTURE_PATTERN0 = 2,
+ /* Self test pattern (e.g. inverted checkerboard) */
+ FP_CAPTURE_PATTERN1 = 3,
+ /* Capture for Quality test with fixed contrast */
+ FP_CAPTURE_QUALITY_TEST = 4,
+ /* Capture for pixel reset value test */
+ FP_CAPTURE_RESET_TEST = 5,
+ FP_CAPTURE_TYPE_MAX,
+};
+/* Extracts the capture type from the sensor 'mode' word */
+#define FP_CAPTURE_TYPE(mode) (((mode) & FP_MODE_CAPTURE_TYPE_MASK) \
+ >> FP_MODE_CAPTURE_TYPE_SHIFT)
+
+struct ec_params_fp_mode {
+ uint32_t mode; /* as defined by FP_MODE_ constants */
+} __ec_align4;
+
+struct ec_response_fp_mode {
+ uint32_t mode; /* as defined by FP_MODE_ constants */
+} __ec_align4;
+
+/* Retrieve Fingerprint sensor information */
+#define EC_CMD_FP_INFO 0x0403
+
+/* Number of dead pixels detected on the last maintenance */
+#define FP_ERROR_DEAD_PIXELS(errors) ((errors) & 0x3FF)
+/* Unknown number of dead pixels detected on the last maintenance */
+#define FP_ERROR_DEAD_PIXELS_UNKNOWN (0x3FF)
+/* No interrupt from the sensor */
+#define FP_ERROR_NO_IRQ BIT(12)
+/* SPI communication error */
+#define FP_ERROR_SPI_COMM BIT(13)
+/* Invalid sensor Hardware ID */
+#define FP_ERROR_BAD_HWID BIT(14)
+/* Sensor initialization failed */
+#define FP_ERROR_INIT_FAIL BIT(15)
+
+struct ec_response_fp_info_v0 {
+ /* Sensor identification */
+ uint32_t vendor_id;
+ uint32_t product_id;
+ uint32_t model_id;
+ uint32_t version;
+ /* Image frame characteristics */
+ uint32_t frame_size;
+ uint32_t pixel_format; /* using V4L2_PIX_FMT_ */
+ uint16_t width;
+ uint16_t height;
+ uint16_t bpp;
+ uint16_t errors; /* see FP_ERROR_ flags above */
+} __ec_align4;
+
+struct ec_response_fp_info {
+ /* Sensor identification */
+ uint32_t vendor_id;
+ uint32_t product_id;
+ uint32_t model_id;
+ uint32_t version;
+ /* Image frame characteristics */
+ uint32_t frame_size;
+ uint32_t pixel_format; /* using V4L2_PIX_FMT_ */
+ uint16_t width;
+ uint16_t height;
+ uint16_t bpp;
+ uint16_t errors; /* see FP_ERROR_ flags above */
+ /* Template/finger current information */
+ uint32_t template_size; /* max template size in bytes */
+ uint16_t template_max; /* maximum number of fingers/templates */
+ uint16_t template_valid; /* number of valid fingers/templates */
+ uint32_t template_dirty; /* bitmap of templates with MCU side changes */
+ uint32_t template_version; /* version of the template format */
+} __ec_align4;
+
+/* Get the last captured finger frame or a template content */
+#define EC_CMD_FP_FRAME 0x0404
+
+/* constants defining the 'offset' field which also contains the frame index */
+#define FP_FRAME_INDEX_SHIFT 28
+/* Frame buffer where the captured image is stored */
+#define FP_FRAME_INDEX_RAW_IMAGE 0
+/* First frame buffer holding a template */
+#define FP_FRAME_INDEX_TEMPLATE 1
+#define FP_FRAME_GET_BUFFER_INDEX(offset) ((offset) >> FP_FRAME_INDEX_SHIFT)
+#define FP_FRAME_OFFSET_MASK 0x0FFFFFFF
+
+/* Version of the format of the encrypted templates. */
+#define FP_TEMPLATE_FORMAT_VERSION 3
+
+/* Constants for encryption parameters */
+#define FP_CONTEXT_NONCE_BYTES 12
+#define FP_CONTEXT_USERID_WORDS (32 / sizeof(uint32_t))
+#define FP_CONTEXT_TAG_BYTES 16
+#define FP_CONTEXT_SALT_BYTES 16
+#define FP_CONTEXT_TPM_BYTES 32
+
+struct ec_fp_template_encryption_metadata {
+ /*
+ * Version of the structure format (N=3).
+ */
+ uint16_t struct_version;
+ /* Reserved bytes, set to 0. */
+ uint16_t reserved;
+ /*
+ * The salt is *only* ever used for key derivation. The nonce is unique,
+ * a different one is used for every message.
+ */
+ uint8_t nonce[FP_CONTEXT_NONCE_BYTES];
+ uint8_t salt[FP_CONTEXT_SALT_BYTES];
+ uint8_t tag[FP_CONTEXT_TAG_BYTES];
+};
+
+struct ec_params_fp_frame {
+ /*
+ * The offset contains the template index or FP_FRAME_INDEX_RAW_IMAGE
+ * in the high nibble, and the real offset within the frame in
+ * FP_FRAME_OFFSET_MASK.
+ */
+ uint32_t offset;
+ uint32_t size;
+} __ec_align4;
+
+/* Load a template into the MCU */
+#define EC_CMD_FP_TEMPLATE 0x0405
+
+/* Flag in the 'size' field indicating that the full template has been sent */
+#define FP_TEMPLATE_COMMIT 0x80000000
+
+struct ec_params_fp_template {
+ uint32_t offset;
+ uint32_t size;
+ uint8_t data[];
+} __ec_align4;
+
+/* Clear the current fingerprint user context and set a new one */
+#define EC_CMD_FP_CONTEXT 0x0406
+
+struct ec_params_fp_context {
+ uint32_t userid[FP_CONTEXT_USERID_WORDS];
+} __ec_align4;
+
+#define EC_CMD_FP_STATS 0x0407
+
+#define FPSTATS_CAPTURE_INV BIT(0)
+#define FPSTATS_MATCHING_INV BIT(1)
+
+struct ec_response_fp_stats {
+ uint32_t capture_time_us;
+ uint32_t matching_time_us;
+ uint32_t overall_time_us;
+ struct {
+ uint32_t lo;
+ uint32_t hi;
+ } overall_t0;
+ uint8_t timestamps_invalid;
+ int8_t template_matched;
+} __ec_align2;
+
+#define EC_CMD_FP_SEED 0x0408
+struct ec_params_fp_seed {
+ /*
+ * Version of the structure format (N=3).
+ */
+ uint16_t struct_version;
+ /* Reserved bytes, set to 0. */
+ uint16_t reserved;
+ /* Seed from the TPM. */
+ uint8_t seed[FP_CONTEXT_TPM_BYTES];
+} __ec_align4;
+
+/*****************************************************************************/
+/* Touchpad MCU commands: range 0x0500-0x05FF */
+
+/* Perform touchpad self test */
+#define EC_CMD_TP_SELF_TEST 0x0500
+
+/* Get number of frame types, and the size of each type */
+#define EC_CMD_TP_FRAME_INFO 0x0501
+
+struct ec_response_tp_frame_info {
+ uint32_t n_frames;
+ uint32_t frame_sizes[0];
+} __ec_align4;
+
+/* Create a snapshot of current frame readings */
+#define EC_CMD_TP_FRAME_SNAPSHOT 0x0502
+
+/* Read the frame */
+#define EC_CMD_TP_FRAME_GET 0x0503
+
+struct ec_params_tp_frame_get {
+ uint32_t frame_index;
+ uint32_t offset;
+ uint32_t size;
+} __ec_align4;
+
+/*****************************************************************************/
+/* EC-EC communication commands: range 0x0600-0x06FF */
+
+#define EC_COMM_TEXT_MAX 8
+
+/*
+ * Get battery static information, i.e. information that never changes, or
+ * very infrequently.
+ */
+#define EC_CMD_BATTERY_GET_STATIC 0x0600
+
+/**
+ * struct ec_params_battery_static_info - Battery static info parameters
+ * @index: Battery index.
+ */
+struct ec_params_battery_static_info {
+ uint8_t index;
+} __ec_align_size1;
+
+/**
+ * struct ec_response_battery_static_info - Battery static info response
+ * @design_capacity: Battery Design Capacity (mAh)
+ * @design_voltage: Battery Design Voltage (mV)
+ * @manufacturer: Battery Manufacturer String
+ * @model: Battery Model Number String
+ * @serial: Battery Serial Number String
+ * @type: Battery Type String
+ * @cycle_count: Battery Cycle Count
+ */
+struct ec_response_battery_static_info {
+ uint16_t design_capacity;
+ uint16_t design_voltage;
+ char manufacturer[EC_COMM_TEXT_MAX];
+ char model[EC_COMM_TEXT_MAX];
+ char serial[EC_COMM_TEXT_MAX];
+ char type[EC_COMM_TEXT_MAX];
+ /* TODO(crbug.com/795991): Consider moving to dynamic structure. */
+ uint32_t cycle_count;
+} __ec_align4;
+
+/*
+ * Get battery dynamic information, i.e. information that is likely to change
+ * every time it is read.
+ */
+#define EC_CMD_BATTERY_GET_DYNAMIC 0x0601
+
+/**
+ * struct ec_params_battery_dynamic_info - Battery dynamic info parameters
+ * @index: Battery index.
+ */
+struct ec_params_battery_dynamic_info {
+ uint8_t index;
+} __ec_align_size1;
+
+/**
+ * struct ec_response_battery_dynamic_info - Battery dynamic info response
+ * @actual_voltage: Battery voltage (mV)
+ * @actual_current: Battery current (mA); negative=discharging
+ * @remaining_capacity: Remaining capacity (mAh)
+ * @full_capacity: Capacity (mAh, might change occasionally)
+ * @flags: Flags, see EC_BATT_FLAG_*
+ * @desired_voltage: Charging voltage desired by battery (mV)
+ * @desired_current: Charging current desired by battery (mA)
+ */
+struct ec_response_battery_dynamic_info {
+ int16_t actual_voltage;
+ int16_t actual_current;
+ int16_t remaining_capacity;
+ int16_t full_capacity;
+ int16_t flags;
+ int16_t desired_voltage;
+ int16_t desired_current;
+} __ec_align2;
+
+/*
+ * Control charger chip. Used to control charger chip on the slave.
+ */
+#define EC_CMD_CHARGER_CONTROL 0x0602
+
+/**
+ * struct ec_params_charger_control - Charger control parameters
+ * @max_current: Charger current (mA). Positive to allow base to draw up to
+ * max_current and (possibly) charge battery, negative to request current
+ * from base (OTG).
+ * @otg_voltage: Voltage (mV) to use in OTG mode, ignored if max_current is
+ * >= 0.
+ * @allow_charging: Allow base battery charging (only makes sense if
+ * max_current > 0).
+ */
+struct ec_params_charger_control {
+ int16_t max_current;
+ uint16_t otg_voltage;
+ uint8_t allow_charging;
+} __ec_align_size1;
+
+/*****************************************************************************/
+/*
+ * Reserve a range of host commands for board-specific, experimental, or
+ * special purpose features. These can be (re)used without updating this file.
+ *
+ * CAUTION: Don't go nuts with this. Shipping products should document ALL
+ * their EC commands for easier development, testing, debugging, and support.
+ *
+ * All commands MUST be #defined to be 4-digit UPPER CASE hex values
+ * (e.g., 0x00AB, not 0xab) for CONFIG_HOSTCMD_SECTION_SORTED to work.
+ *
+ * In your experimental code, you may want to do something like this:
+ *
+ * #define EC_CMD_MAGIC_FOO 0x0000
+ * #define EC_CMD_MAGIC_BAR 0x0001
+ * #define EC_CMD_MAGIC_HEY 0x0002
+ *
+ * DECLARE_PRIVATE_HOST_COMMAND(EC_CMD_MAGIC_FOO, magic_foo_handler,
+ * EC_VER_MASK(0);
+ *
+ * DECLARE_PRIVATE_HOST_COMMAND(EC_CMD_MAGIC_BAR, magic_bar_handler,
+ * EC_VER_MASK(0);
+ *
+ * DECLARE_PRIVATE_HOST_COMMAND(EC_CMD_MAGIC_HEY, magic_hey_handler,
+ * EC_VER_MASK(0);
+ */
+#define EC_CMD_BOARD_SPECIFIC_BASE 0x3E00
+#define EC_CMD_BOARD_SPECIFIC_LAST 0x3FFF
+
+/*
+ * Given the private host command offset, calculate the true private host
+ * command value.
+ */
+#define EC_PRIVATE_HOST_COMMAND_VALUE(command) \
+ (EC_CMD_BOARD_SPECIFIC_BASE + (command))
+
+/*****************************************************************************/
+/*
+ * Passthru commands
+ *
+ * Some platforms have sub-processors chained to each other. For example.
+ *
+ * AP <--> EC <--> PD MCU
+ *
+ * The top 2 bits of the command number are used to indicate which device the
+ * command is intended for. Device 0 is always the device receiving the
+ * command; other device mapping is board-specific.
+ *
+ * When a device receives a command to be passed to a sub-processor, it passes
+ * it on with the device number set back to 0. This allows the sub-processor
+ * to remain blissfully unaware of whether the command originated on the next
+ * device up the chain, or was passed through from the AP.
+ *
+ * In the above example, if the AP wants to send command 0x0002 to the PD MCU,
+ * AP sends command 0x4002 to the EC
+ * EC sends command 0x0002 to the PD MCU
+ * EC forwards PD MCU response back to the AP
+ */
+
+/* Offset and max command number for sub-device n */
+#define EC_CMD_PASSTHRU_OFFSET(n) (0x4000 * (n))
+#define EC_CMD_PASSTHRU_MAX(n) (EC_CMD_PASSTHRU_OFFSET(n) + 0x3fff)
+
+/*****************************************************************************/
+/*
+ * Deprecated constants. These constants have been renamed for clarity. The
+ * meaning and size has not changed. Programs that use the old names should
+ * switch to the new names soon, as the old names may not be carried forward
+ * forever.
+ */
+#define EC_HOST_PARAM_SIZE EC_PROTO2_MAX_PARAM_SIZE
+#define EC_LPC_ADDR_OLD_PARAM EC_HOST_CMD_REGION1
+#define EC_OLD_PARAM_SIZE EC_HOST_CMD_REGION_SIZE
+
+
+
+#endif /* __CROS_EC_COMMANDS_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * ChromeOS Embedded Controller protocol interface.
+ *
+ * Copyright (C) 2012 Google, Inc
+ */
+
+#ifndef __LINUX_CROS_EC_PROTO_H
+#define __LINUX_CROS_EC_PROTO_H
+
+#include <linux/device.h>
+#include <linux/mutex.h>
+#include <linux/notifier.h>
+
+#include <linux/platform_data/cros_ec_commands.h>
+
+#define CROS_EC_DEV_NAME "cros_ec"
+#define CROS_EC_DEV_FP_NAME "cros_fp"
+#define CROS_EC_DEV_ISH_NAME "cros_ish"
+#define CROS_EC_DEV_PD_NAME "cros_pd"
+#define CROS_EC_DEV_SCP_NAME "cros_scp"
+#define CROS_EC_DEV_TP_NAME "cros_tp"
+
+/*
+ * The EC is unresponsive for a time after a reboot command. Add a
+ * simple delay to make sure that the bus stays locked.
+ */
+#define EC_REBOOT_DELAY_MS 50
+
+/*
+ * Max bus-specific overhead incurred by request/responses.
+ * I2C requires 1 additional byte for requests.
+ * I2C requires 2 additional bytes for responses.
+ * SPI requires up to 32 additional bytes for responses.
+ */
+#define EC_PROTO_VERSION_UNKNOWN 0
+#define EC_MAX_REQUEST_OVERHEAD 1
+#define EC_MAX_RESPONSE_OVERHEAD 32
+
+/*
+ * Command interface between EC and AP, for LPC, I2C and SPI interfaces.
+ */
+enum {
+ EC_MSG_TX_HEADER_BYTES = 3,
+ EC_MSG_TX_TRAILER_BYTES = 1,
+ EC_MSG_TX_PROTO_BYTES = EC_MSG_TX_HEADER_BYTES +
+ EC_MSG_TX_TRAILER_BYTES,
+ EC_MSG_RX_PROTO_BYTES = 3,
+
+ /* Max length of messages for proto 2*/
+ EC_PROTO2_MSG_BYTES = EC_PROTO2_MAX_PARAM_SIZE +
+ EC_MSG_TX_PROTO_BYTES,
+
+ EC_MAX_MSG_BYTES = 64 * 1024,
+};
+
+/**
+ * struct cros_ec_command - Information about a ChromeOS EC command.
+ * @version: Command version number (often 0).
+ * @command: Command to send (EC_CMD_...).
+ * @outsize: Outgoing length in bytes.
+ * @insize: Max number of bytes to accept from the EC.
+ * @result: EC's response to the command (separate from communication failure).
+ * @data: Where to put the incoming data from EC and outgoing data to EC.
+ */
+struct cros_ec_command {
+ uint32_t version;
+ uint32_t command;
+ uint32_t outsize;
+ uint32_t insize;
+ uint32_t result;
+ uint8_t data[0];
+};
+
+/**
+ * struct cros_ec_device - Information about a ChromeOS EC device.
+ * @phys_name: Name of physical comms layer (e.g. 'i2c-4').
+ * @dev: Device pointer for physical comms device
+ * @was_wake_device: True if this device was set to wake the system from
+ * sleep at the last suspend.
+ * @cros_class: The class structure for this device.
+ * @cmd_readmem: Direct read of the EC memory-mapped region, if supported.
+ * @offset: Is within EC_LPC_ADDR_MEMMAP region.
+ * @bytes: Number of bytes to read. zero means "read a string" (including
+ * the trailing '\0'). At most only EC_MEMMAP_SIZE bytes can be
+ * read. Caller must ensure that the buffer is large enough for the
+ * result when reading a string.
+ * @max_request: Max size of message requested.
+ * @max_response: Max size of message response.
+ * @max_passthru: Max sice of passthru message.
+ * @proto_version: The protocol version used for this device.
+ * @priv: Private data.
+ * @irq: Interrupt to use.
+ * @id: Device id.
+ * @din: Input buffer (for data from EC). This buffer will always be
+ * dword-aligned and include enough space for up to 7 word-alignment
+ * bytes also, so we can ensure that the body of the message is always
+ * dword-aligned (64-bit). We use this alignment to keep ARM and x86
+ * happy. Probably word alignment would be OK, there might be a small
+ * performance advantage to using dword.
+ * @dout: Output buffer (for data to EC). This buffer will always be
+ * dword-aligned and include enough space for up to 7 word-alignment
+ * bytes also, so we can ensure that the body of the message is always
+ * dword-aligned (64-bit). We use this alignment to keep ARM and x86
+ * happy. Probably word alignment would be OK, there might be a small
+ * performance advantage to using dword.
+ * @din_size: Size of din buffer to allocate (zero to use static din).
+ * @dout_size: Size of dout buffer to allocate (zero to use static dout).
+ * @wake_enabled: True if this device can wake the system from sleep.
+ * @suspended: True if this device had been suspended.
+ * @cmd_xfer: Send command to EC and get response.
+ * Returns the number of bytes received if the communication
+ * succeeded, but that doesn't mean the EC was happy with the
+ * command. The caller should check msg.result for the EC's result
+ * code.
+ * @pkt_xfer: Send packet to EC and get response.
+ * @lock: One transaction at a time.
+ * @mkbp_event_supported: True if this EC supports the MKBP event protocol.
+ * @host_sleep_v1: True if this EC supports the sleep v1 command.
+ * @event_notifier: Interrupt event notifier for transport devices.
+ * @event_data: Raw payload transferred with the MKBP event.
+ * @event_size: Size in bytes of the event data.
+ * @host_event_wake_mask: Mask of host events that cause wake from suspend.
+ * @ec: The platform_device used by the mfd driver to interface with the
+ * main EC.
+ * @pd: The platform_device used by the mfd driver to interface with the
+ * PD behind an EC.
+ */
+struct cros_ec_device {
+ /* These are used by other drivers that want to talk to the EC */
+ const char *phys_name;
+ struct device *dev;
+ bool was_wake_device;
+ struct class *cros_class;
+ int (*cmd_readmem)(struct cros_ec_device *ec, unsigned int offset,
+ unsigned int bytes, void *dest);
+
+ /* These are used to implement the platform-specific interface */
+ u16 max_request;
+ u16 max_response;
+ u16 max_passthru;
+ u16 proto_version;
+ void *priv;
+ int irq;
+ u8 *din;
+ u8 *dout;
+ int din_size;
+ int dout_size;
+ bool wake_enabled;
+ bool suspended;
+ int (*cmd_xfer)(struct cros_ec_device *ec,
+ struct cros_ec_command *msg);
+ int (*pkt_xfer)(struct cros_ec_device *ec,
+ struct cros_ec_command *msg);
+ struct mutex lock;
+ bool mkbp_event_supported;
+ bool host_sleep_v1;
+ struct blocking_notifier_head event_notifier;
+
+ struct ec_response_get_next_event_v1 event_data;
+ int event_size;
+ u32 host_event_wake_mask;
+ u32 last_resume_result;
+
+ /* The platform devices used by the mfd driver */
+ struct platform_device *ec;
+ struct platform_device *pd;
+};
+
+/**
+ * struct cros_ec_sensor_platform - ChromeOS EC sensor platform information.
+ * @sensor_num: Id of the sensor, as reported by the EC.
+ */
+struct cros_ec_sensor_platform {
+ u8 sensor_num;
+};
+
+/**
+ * struct cros_ec_platform - ChromeOS EC platform information.
+ * @ec_name: Name of EC device (e.g. 'cros-ec', 'cros-pd', ...)
+ * used in /dev/ and sysfs.
+ * @cmd_offset: Offset to apply for each command. Set when
+ * registering a device behind another one.
+ */
+struct cros_ec_platform {
+ const char *ec_name;
+ u16 cmd_offset;
+};
+
+/**
+ * cros_ec_suspend() - Handle a suspend operation for the ChromeOS EC device.
+ * @ec_dev: Device to suspend.
+ *
+ * This can be called by drivers to handle a suspend event.
+ *
+ * Return: 0 on success or negative error code.
+ */
+int cros_ec_suspend(struct cros_ec_device *ec_dev);
+
+/**
+ * cros_ec_resume() - Handle a resume operation for the ChromeOS EC device.
+ * @ec_dev: Device to resume.
+ *
+ * This can be called by drivers to handle a resume event.
+ *
+ * Return: 0 on success or negative error code.
+ */
+int cros_ec_resume(struct cros_ec_device *ec_dev);
+
+/**
+ * cros_ec_prepare_tx() - Prepare an outgoing message in the output buffer.
+ * @ec_dev: Device to register.
+ * @msg: Message to write.
+ *
+ * This is intended to be used by all ChromeOS EC drivers, but at present
+ * only SPI uses it. Once LPC uses the same protocol it can start using it.
+ * I2C could use it now, with a refactor of the existing code.
+ *
+ * Return: 0 on success or negative error code.
+ */
+int cros_ec_prepare_tx(struct cros_ec_device *ec_dev,
+ struct cros_ec_command *msg);
+
+/**
+ * cros_ec_check_result() - Check ec_msg->result.
+ * @ec_dev: EC device.
+ * @msg: Message to check.
+ *
+ * This is used by ChromeOS EC drivers to check the ec_msg->result for
+ * errors and to warn about them.
+ *
+ * Return: 0 on success or negative error code.
+ */
+int cros_ec_check_result(struct cros_ec_device *ec_dev,
+ struct cros_ec_command *msg);
+
+/**
+ * cros_ec_cmd_xfer() - Send a command to the ChromeOS EC.
+ * @ec_dev: EC device.
+ * @msg: Message to write.
+ *
+ * Call this to send a command to the ChromeOS EC. This should be used
+ * instead of calling the EC's cmd_xfer() callback directly.
+ *
+ * Return: 0 on success or negative error code.
+ */
+int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev,
+ struct cros_ec_command *msg);
+
+/**
+ * cros_ec_cmd_xfer_status() - Send a command to the ChromeOS EC.
+ * @ec_dev: EC device.
+ * @msg: Message to write.
+ *
+ * This function is identical to cros_ec_cmd_xfer, except it returns success
+ * status only if both the command was transmitted successfully and the EC
+ * replied with success status. It's not necessary to check msg->result when
+ * using this function.
+ *
+ * Return: The number of bytes transferred on success or negative error code.
+ */
+int cros_ec_cmd_xfer_status(struct cros_ec_device *ec_dev,
+ struct cros_ec_command *msg);
+
+/**
+ * cros_ec_register() - Register a new ChromeOS EC, using the provided info.
+ * @ec_dev: Device to register.
+ *
+ * Before calling this, allocate a pointer to a new device and then fill
+ * in all the fields up to the --private-- marker.
+ *
+ * Return: 0 on success or negative error code.
+ */
+int cros_ec_register(struct cros_ec_device *ec_dev);
+
+/**
+ * cros_ec_unregister() - Remove a ChromeOS EC.
+ * @ec_dev: Device to unregister.
+ *
+ * Call this to deregister a ChromeOS EC, then clean up any private data.
+ *
+ * Return: 0 on success or negative error code.
+ */
+int cros_ec_unregister(struct cros_ec_device *ec_dev);
+
+/**
+ * cros_ec_query_all() - Query the protocol version supported by the
+ * ChromeOS EC.
+ * @ec_dev: Device to register.
+ *
+ * Return: 0 on success or negative error code.
+ */
+int cros_ec_query_all(struct cros_ec_device *ec_dev);
+
+/**
+ * cros_ec_get_next_event() - Fetch next event from the ChromeOS EC.
+ * @ec_dev: Device to fetch event from.
+ * @wake_event: Pointer to a bool set to true upon return if the event might be
+ * treated as a wake event. Ignored if null.
+ *
+ * Return: negative error code on errors; 0 for no data; or else number of
+ * bytes received (i.e., an event was retrieved successfully). Event types are
+ * written out to @ec_dev->event_data.event_type on success.
+ */
+int cros_ec_get_next_event(struct cros_ec_device *ec_dev, bool *wake_event);
+
+/**
+ * cros_ec_get_host_event() - Return a mask of event set by the ChromeOS EC.
+ * @ec_dev: Device to fetch event from.
+ *
+ * When MKBP is supported, when the EC raises an interrupt, we collect the
+ * events raised and call the functions in the ec notifier. This function
+ * is a helper to know which events are raised.
+ *
+ * Return: 0 on error or non-zero bitmask of one or more EC_HOST_EVENT_*.
+ */
+u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev);
+
+#endif /* __LINUX_CROS_EC_PROTO_H */
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/kernel.h>
-#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
projects / linux.git / commitdiff