#include <drm/drm_edid.h>
#include <drm/drm_fb_helper.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_probe_helper.h>
#include <drm/amdgpu_drm.h>
#include "amdgpu.h"
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include <drm/drm_encoder.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_fixed.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_helper.h>
#include <linux/hrtimer.h>
#include "amdgpu_irq.h"
-#include <drm/drm_dp_mst_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
#include "modules/inc/mod_freesync.h"
#include "amdgpu_dm_irq_params.h"
#include "atombios_dp.h"
#include "amdgpu_connectors.h"
#include "amdgpu_atombios.h"
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
/* move these to drm_dp_helper.c/h */
#define DP_LINK_CONFIGURATION_SIZE 9
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_uapi.h>
#include <drm/drm_atomic_helper.h>
-#include <drm/drm_dp_mst_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_edid.h>
#include <drm/drm_atomic.h>
#include <drm/drm_connector.h>
#include <drm/drm_crtc.h>
-#include <drm/drm_dp_mst_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
#include <drm/drm_plane.h>
/*
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
-#include <drm/drm_dp_mst_helper.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include "dm_services.h"
#include "amdgpu.h"
#include "amdgpu_dm.h"
#include <dc_link.h>
#include <inc/link_hwss.h>
#include <inc/link_dpcd.h>
-#include "drm/drm_dp_helper.h"
+#include <drm/dp/drm_dp_helper.h>
#include <dc_dp_types.h>
#include "dm_helpers.h"
#include <drm/drm_dsc.h>
#include "dc_hw_types.h"
#include "dsc.h"
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include "dc.h"
#include "rc_calc.h"
#include "fixed31_32.h"
#include <asm/byteorder.h>
#include <drm/drm_print.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include "cgs_common.h"
#ifndef __DAL_DPCD_DEFS_H__
#define __DAL_DPCD_DEFS_H__
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#ifndef DP_SINK_HW_REVISION_START // can remove this once the define gets into linux drm_dp_helper.h
#define DP_SINK_HW_REVISION_START 0x409
#endif
#include "hdcp_log.h"
#include <drm/drm_hdcp.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
enum mod_hdcp_trans_input_result {
UNKNOWN = 0,
#include <drm/drm_bridge.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_crtc.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
#include <linux/regmap.h>
#include <drm/drm.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_print.h>
#include "analogix-i2c-dptx.h"
#define _ANALOGIX_DP_CORE_H
#include <drm/drm_crtc.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#define DP_TIMEOUT_LOOP_COUNT 100
#define MAX_CR_LOOP 5
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_crtc_helper.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_hdcp.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_bridge.h>
#include <drm/drm_connector.h>
#include <drm/drm_crtc_helper.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_hdcp.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_print.h>
#include <drm/drm_bridge.h>
#include <drm/drm_connector.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
struct clk;
struct device;
#include <drm/drm_bridge.h>
#include <drm/drm_dp_aux_bus.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_crtc_helper.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_dp_aux_bus.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_print.h>
#include <drm/drm_vblank.h>
-#include <drm/drm_dp_mst_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
#include <drm/drm_panel.h>
#include "drm_dp_helper_internal.h"
#include <linux/uio.h>
#include <drm/drm_crtc.h>
-#include <drm/drm_dp_helper.h>
-#include <drm/drm_dp_mst_helper.h>
+#include <drm/dp/drm_dp_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
#include <drm/drm_print.h>
#include "drm_dp_helper_internal.h"
#include <drm/drm_connector.h>
#include <drm/drm_device.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
/*
* Unfortunately it turns out that we have a chicken-and-egg situation
#include <linux/string.h>
#include <drm/drm_device.h>
-#include <drm/drm_dp_dual_mode_helper.h>
+#include <drm/dp/drm_dp_dual_mode_helper.h>
#include <drm/drm_print.h>
/**
#include <linux/math64.h>
#endif
+#include <drm/dp/drm_dp_mst_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
-#include <drm/drm_dp_mst_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
#ifndef _DRM_DP_MST_HELPER_INTERNAL_H_
#define _DRM_DP_MST_HELPER_INTERNAL_H_
-#include <drm/drm_dp_mst_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
void
drm_dp_encode_sideband_req(const struct drm_dp_sideband_msg_req_body *req,
#include <linux/pm_runtime.h>
#include <drm/drm_dp_aux_bus.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
/**
* dp_aux_ep_match() - The match function for the dp_aux_bus.
#include <linux/errno.h>
#include <linux/byteorder/generic.h>
#include <drm/drm_print.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_dsc.h>
/**
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_simple_kms_helper.h>
#include "gma_display.h"
* Eric Anholt <eric@anholt.net>
*/
#include <drm/drm.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include "intel_bios.h"
#include "psb_drv.h"
*
*/
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include "display/intel_display.h"
#include "display/intel_display_types.h"
#include <drm/drm_atomic_helper.h>
#include <drm/drm_atomic_uapi.h>
#include <drm/drm_damage_helper.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_plane_helper.h>
#include <linux/pwm.h>
#include <linux/sched/clock.h>
+#include <drm/dp/drm_dp_dual_mode_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_crtc.h>
-#include <drm/drm_dp_dual_mode_helper.h>
-#include <drm/drm_dp_mst_helper.h>
#include <drm/drm_encoder.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_probe_helper.h>
* Sean Paul <seanpaul@chromium.org>
*/
-#include <drm/drm_dp_helper.h>
-#include <drm/drm_dp_mst_helper.h>
+#include <drm/dp/drm_dp_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
#include <drm/drm_hdcp.h>
#include <drm/drm_print.h>
#ifndef __INTEL_DP_LINK_TRAINING_H__
#define __INTEL_DP_LINK_TRAINING_H__
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
struct intel_crtc_state;
struct intel_dp;
*/
#include <drm/drm_atomic_helper.h>
-#include <drm/drm_dp_dual_mode_helper.h>
+#include <drm/dp/drm_dp_dual_mode_helper.h>
#include <drm/drm_edid.h>
#include "intel_de.h"
#include <linux/of_platform.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_edid.h>
#include "dp_catalog.h"
#define _DP_AUX_H_
#include "dp_catalog.h"
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
int dp_aux_register(struct drm_dp_aux *dp_aux);
void dp_aux_unregister(struct drm_dp_aux *dp_aux);
#include <linux/phy/phy.h>
#include <linux/phy/phy-dp.h>
#include <linux/rational.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_print.h>
#include "dp_catalog.h"
#include <linux/phy/phy-dp.h>
#include <linux/pm_opp.h>
#include <drm/drm_fixed.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_print.h>
#include "dp_reg.h"
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include <drm/drm_encoder.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_util.h>
#include "nouveau_crtc.h"
* Authors: Ben Skeggs
*/
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include "nouveau_drv.h"
#include "nouveau_connector.h"
#include <subdev/bios/dcb.h>
#include <drm/drm_encoder_slave.h>
-#include <drm/drm_dp_helper.h>
-#include <drm/drm_dp_mst_helper.h>
+#include <drm/dp/drm_dp_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
#include "dispnv04/disp.h"
struct nv50_head_atom;
struct nouveau_connector;
#include <drm/drm_crtc.h>
#include <drm/drm_device.h>
#include <drm/drm_dp_aux_bus.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_panel.h>
/**
#include <linux/regulator/consumer.h>
#include <drm/drm_dp_aux_bus.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_panel.h>
#include "atom.h"
#include "atom-bits.h"
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
/* move these to drm_dp_helper.c/h */
#define DP_LINK_CONFIGURATION_SIZE 9
#include <drm/drm_edid.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_helper.h>
-#include <drm/drm_dp_mst_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
#include <drm/drm_probe_helper.h>
#include <drm/radeon_drm.h>
#include "radeon.h"
// SPDX-License-Identifier: MIT
-#include <drm/drm_dp_mst_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_file.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include <drm/drm_encoder.h>
-#include <drm/drm_dp_helper.h>
-#include <drm/drm_dp_mst_helper.h>
+#include <drm/dp/drm_dp_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
#include <drm/drm_fixed.h>
#include <drm/drm_crtc_helper.h>
#include <linux/i2c.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/bridge/analogix_dp.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
#include <sound/hdmi-codec.h>
#include <drm/drm_atomic_helper.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_of.h>
#include <drm/drm_probe_helper.h>
#ifndef _CDN_DP_CORE_H
#define _CDN_DP_CORE_H
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_bridge_connector.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_bridge_connector.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
#include <linux/random.h>
-#include <drm/drm_dp_mst_helper.h>
+#include <drm/dp/drm_dp_mst_helper.h>
#include <drm/drm_print.h>
#include "../dp/drm_dp_mst_topology_internal.h"
*/
#include <drm/drm_crtc.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_print.h>
#include "dp.h"
#include <linux/reset.h>
#include <linux/workqueue.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_panel.h>
#include "dp.h"
#include <drm/drm_atomic_helper.h>
#include <drm/drm_debugfs.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_file.h>
#include <drm/drm_panel.h>
#include <drm/drm_scdc_helper.h>
#include <drm/drm_connector.h>
#include <drm/drm_crtc.h>
#include <drm/drm_device.h>
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_encoder.h>
#include <drm/drm_managed.h>
--- /dev/null
+/*
+ * Copyright © 2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef DRM_DP_DUAL_MODE_HELPER_H
+#define DRM_DP_DUAL_MODE_HELPER_H
+
+#include <linux/types.h>
+
+/*
+ * Optional for type 1 DVI adaptors
+ * Mandatory for type 1 HDMI and type 2 adaptors
+ */
+#define DP_DUAL_MODE_HDMI_ID 0x00 /* 00-0f */
+#define DP_DUAL_MODE_HDMI_ID_LEN 16
+/*
+ * Optional for type 1 adaptors
+ * Mandatory for type 2 adaptors
+ */
+#define DP_DUAL_MODE_ADAPTOR_ID 0x10
+#define DP_DUAL_MODE_REV_MASK 0x07
+#define DP_DUAL_MODE_REV_TYPE2 0x00
+#define DP_DUAL_MODE_TYPE_MASK 0xf0
+#define DP_DUAL_MODE_TYPE_TYPE2 0xa0
+/* This field is marked reserved in dual mode spec, used in LSPCON */
+#define DP_DUAL_MODE_TYPE_HAS_DPCD 0x08
+#define DP_DUAL_MODE_IEEE_OUI 0x11 /* 11-13*/
+#define DP_DUAL_IEEE_OUI_LEN 3
+#define DP_DUAL_DEVICE_ID 0x14 /* 14-19 */
+#define DP_DUAL_DEVICE_ID_LEN 6
+#define DP_DUAL_MODE_HARDWARE_REV 0x1a
+#define DP_DUAL_MODE_FIRMWARE_MAJOR_REV 0x1b
+#define DP_DUAL_MODE_FIRMWARE_MINOR_REV 0x1c
+#define DP_DUAL_MODE_MAX_TMDS_CLOCK 0x1d
+#define DP_DUAL_MODE_I2C_SPEED_CAP 0x1e
+#define DP_DUAL_MODE_TMDS_OEN 0x20
+#define DP_DUAL_MODE_TMDS_DISABLE 0x01
+#define DP_DUAL_MODE_HDMI_PIN_CTRL 0x21
+#define DP_DUAL_MODE_CEC_ENABLE 0x01
+#define DP_DUAL_MODE_I2C_SPEED_CTRL 0x22
+
+/* LSPCON specific registers, defined by MCA */
+#define DP_DUAL_MODE_LSPCON_MODE_CHANGE 0x40
+#define DP_DUAL_MODE_LSPCON_CURRENT_MODE 0x41
+#define DP_DUAL_MODE_LSPCON_MODE_PCON 0x1
+
+struct drm_device;
+struct i2c_adapter;
+
+ssize_t drm_dp_dual_mode_read(struct i2c_adapter *adapter,
+ u8 offset, void *buffer, size_t size);
+ssize_t drm_dp_dual_mode_write(struct i2c_adapter *adapter,
+ u8 offset, const void *buffer, size_t size);
+
+/**
+ * enum drm_lspcon_mode
+ * @DRM_LSPCON_MODE_INVALID: No LSPCON.
+ * @DRM_LSPCON_MODE_LS: Level shifter mode of LSPCON
+ * which drives DP++ to HDMI 1.4 conversion.
+ * @DRM_LSPCON_MODE_PCON: Protocol converter mode of LSPCON
+ * which drives DP++ to HDMI 2.0 active conversion.
+ */
+enum drm_lspcon_mode {
+ DRM_LSPCON_MODE_INVALID,
+ DRM_LSPCON_MODE_LS,
+ DRM_LSPCON_MODE_PCON,
+};
+
+/**
+ * enum drm_dp_dual_mode_type - Type of the DP dual mode adaptor
+ * @DRM_DP_DUAL_MODE_NONE: No DP dual mode adaptor
+ * @DRM_DP_DUAL_MODE_UNKNOWN: Could be either none or type 1 DVI adaptor
+ * @DRM_DP_DUAL_MODE_TYPE1_DVI: Type 1 DVI adaptor
+ * @DRM_DP_DUAL_MODE_TYPE1_HDMI: Type 1 HDMI adaptor
+ * @DRM_DP_DUAL_MODE_TYPE2_DVI: Type 2 DVI adaptor
+ * @DRM_DP_DUAL_MODE_TYPE2_HDMI: Type 2 HDMI adaptor
+ * @DRM_DP_DUAL_MODE_LSPCON: Level shifter / protocol converter
+ */
+enum drm_dp_dual_mode_type {
+ DRM_DP_DUAL_MODE_NONE,
+ DRM_DP_DUAL_MODE_UNKNOWN,
+ DRM_DP_DUAL_MODE_TYPE1_DVI,
+ DRM_DP_DUAL_MODE_TYPE1_HDMI,
+ DRM_DP_DUAL_MODE_TYPE2_DVI,
+ DRM_DP_DUAL_MODE_TYPE2_HDMI,
+ DRM_DP_DUAL_MODE_LSPCON,
+};
+
+enum drm_dp_dual_mode_type
+drm_dp_dual_mode_detect(const struct drm_device *dev, struct i2c_adapter *adapter);
+int drm_dp_dual_mode_max_tmds_clock(const struct drm_device *dev, enum drm_dp_dual_mode_type type,
+ struct i2c_adapter *adapter);
+int drm_dp_dual_mode_get_tmds_output(const struct drm_device *dev, enum drm_dp_dual_mode_type type,
+ struct i2c_adapter *adapter, bool *enabled);
+int drm_dp_dual_mode_set_tmds_output(const struct drm_device *dev, enum drm_dp_dual_mode_type type,
+ struct i2c_adapter *adapter, bool enable);
+const char *drm_dp_get_dual_mode_type_name(enum drm_dp_dual_mode_type type);
+
+int drm_lspcon_get_mode(const struct drm_device *dev, struct i2c_adapter *adapter,
+ enum drm_lspcon_mode *current_mode);
+int drm_lspcon_set_mode(const struct drm_device *dev, struct i2c_adapter *adapter,
+ enum drm_lspcon_mode reqd_mode);
+#endif
--- /dev/null
+/*
+ * Copyright © 2008 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifndef _DRM_DP_HELPER_H_
+#define _DRM_DP_HELPER_H_
+
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/types.h>
+#include <drm/drm_connector.h>
+
+struct drm_device;
+struct drm_dp_aux;
+struct drm_panel;
+
+/*
+ * Unless otherwise noted, all values are from the DP 1.1a spec. Note that
+ * DP and DPCD versions are independent. Differences from 1.0 are not noted,
+ * 1.0 devices basically don't exist in the wild.
+ *
+ * Abbreviations, in chronological order:
+ *
+ * eDP: Embedded DisplayPort version 1
+ * DPI: DisplayPort Interoperability Guideline v1.1a
+ * 1.2: DisplayPort 1.2
+ * MST: Multistream Transport - part of DP 1.2a
+ *
+ * 1.2 formally includes both eDP and DPI definitions.
+ */
+
+/* MSA (Main Stream Attribute) MISC bits (as MISC1<<8|MISC0) */
+#define DP_MSA_MISC_SYNC_CLOCK (1 << 0)
+#define DP_MSA_MISC_INTERLACE_VTOTAL_EVEN (1 << 8)
+#define DP_MSA_MISC_STEREO_NO_3D (0 << 9)
+#define DP_MSA_MISC_STEREO_PROG_RIGHT_EYE (1 << 9)
+#define DP_MSA_MISC_STEREO_PROG_LEFT_EYE (3 << 9)
+/* bits per component for non-RAW */
+#define DP_MSA_MISC_6_BPC (0 << 5)
+#define DP_MSA_MISC_8_BPC (1 << 5)
+#define DP_MSA_MISC_10_BPC (2 << 5)
+#define DP_MSA_MISC_12_BPC (3 << 5)
+#define DP_MSA_MISC_16_BPC (4 << 5)
+/* bits per component for RAW */
+#define DP_MSA_MISC_RAW_6_BPC (1 << 5)
+#define DP_MSA_MISC_RAW_7_BPC (2 << 5)
+#define DP_MSA_MISC_RAW_8_BPC (3 << 5)
+#define DP_MSA_MISC_RAW_10_BPC (4 << 5)
+#define DP_MSA_MISC_RAW_12_BPC (5 << 5)
+#define DP_MSA_MISC_RAW_14_BPC (6 << 5)
+#define DP_MSA_MISC_RAW_16_BPC (7 << 5)
+/* pixel encoding/colorimetry format */
+#define _DP_MSA_MISC_COLOR(misc1_7, misc0_21, misc0_3, misc0_4) \
+ ((misc1_7) << 15 | (misc0_4) << 4 | (misc0_3) << 3 | ((misc0_21) << 1))
+#define DP_MSA_MISC_COLOR_RGB _DP_MSA_MISC_COLOR(0, 0, 0, 0)
+#define DP_MSA_MISC_COLOR_CEA_RGB _DP_MSA_MISC_COLOR(0, 0, 1, 0)
+#define DP_MSA_MISC_COLOR_RGB_WIDE_FIXED _DP_MSA_MISC_COLOR(0, 3, 0, 0)
+#define DP_MSA_MISC_COLOR_RGB_WIDE_FLOAT _DP_MSA_MISC_COLOR(0, 3, 0, 1)
+#define DP_MSA_MISC_COLOR_Y_ONLY _DP_MSA_MISC_COLOR(1, 0, 0, 0)
+#define DP_MSA_MISC_COLOR_RAW _DP_MSA_MISC_COLOR(1, 1, 0, 0)
+#define DP_MSA_MISC_COLOR_YCBCR_422_BT601 _DP_MSA_MISC_COLOR(0, 1, 1, 0)
+#define DP_MSA_MISC_COLOR_YCBCR_422_BT709 _DP_MSA_MISC_COLOR(0, 1, 1, 1)
+#define DP_MSA_MISC_COLOR_YCBCR_444_BT601 _DP_MSA_MISC_COLOR(0, 2, 1, 0)
+#define DP_MSA_MISC_COLOR_YCBCR_444_BT709 _DP_MSA_MISC_COLOR(0, 2, 1, 1)
+#define DP_MSA_MISC_COLOR_XVYCC_422_BT601 _DP_MSA_MISC_COLOR(0, 1, 0, 0)
+#define DP_MSA_MISC_COLOR_XVYCC_422_BT709 _DP_MSA_MISC_COLOR(0, 1, 0, 1)
+#define DP_MSA_MISC_COLOR_XVYCC_444_BT601 _DP_MSA_MISC_COLOR(0, 2, 0, 0)
+#define DP_MSA_MISC_COLOR_XVYCC_444_BT709 _DP_MSA_MISC_COLOR(0, 2, 0, 1)
+#define DP_MSA_MISC_COLOR_OPRGB _DP_MSA_MISC_COLOR(0, 0, 1, 1)
+#define DP_MSA_MISC_COLOR_DCI_P3 _DP_MSA_MISC_COLOR(0, 3, 1, 0)
+#define DP_MSA_MISC_COLOR_COLOR_PROFILE _DP_MSA_MISC_COLOR(0, 3, 1, 1)
+#define DP_MSA_MISC_COLOR_VSC_SDP (1 << 14)
+
+#define DP_AUX_MAX_PAYLOAD_BYTES 16
+
+#define DP_AUX_I2C_WRITE 0x0
+#define DP_AUX_I2C_READ 0x1
+#define DP_AUX_I2C_WRITE_STATUS_UPDATE 0x2
+#define DP_AUX_I2C_MOT 0x4
+#define DP_AUX_NATIVE_WRITE 0x8
+#define DP_AUX_NATIVE_READ 0x9
+
+#define DP_AUX_NATIVE_REPLY_ACK (0x0 << 0)
+#define DP_AUX_NATIVE_REPLY_NACK (0x1 << 0)
+#define DP_AUX_NATIVE_REPLY_DEFER (0x2 << 0)
+#define DP_AUX_NATIVE_REPLY_MASK (0x3 << 0)
+
+#define DP_AUX_I2C_REPLY_ACK (0x0 << 2)
+#define DP_AUX_I2C_REPLY_NACK (0x1 << 2)
+#define DP_AUX_I2C_REPLY_DEFER (0x2 << 2)
+#define DP_AUX_I2C_REPLY_MASK (0x3 << 2)
+
+/* DPCD Field Address Mapping */
+
+/* Receiver Capability */
+#define DP_DPCD_REV 0x000
+# define DP_DPCD_REV_10 0x10
+# define DP_DPCD_REV_11 0x11
+# define DP_DPCD_REV_12 0x12
+# define DP_DPCD_REV_13 0x13
+# define DP_DPCD_REV_14 0x14
+
+#define DP_MAX_LINK_RATE 0x001
+
+#define DP_MAX_LANE_COUNT 0x002
+# define DP_MAX_LANE_COUNT_MASK 0x1f
+# define DP_TPS3_SUPPORTED (1 << 6) /* 1.2 */
+# define DP_ENHANCED_FRAME_CAP (1 << 7)
+
+#define DP_MAX_DOWNSPREAD 0x003
+# define DP_MAX_DOWNSPREAD_0_5 (1 << 0)
+# define DP_STREAM_REGENERATION_STATUS_CAP (1 << 1) /* 2.0 */
+# define DP_NO_AUX_HANDSHAKE_LINK_TRAINING (1 << 6)
+# define DP_TPS4_SUPPORTED (1 << 7)
+
+#define DP_NORP 0x004
+
+#define DP_DOWNSTREAMPORT_PRESENT 0x005
+# define DP_DWN_STRM_PORT_PRESENT (1 << 0)
+# define DP_DWN_STRM_PORT_TYPE_MASK 0x06
+# define DP_DWN_STRM_PORT_TYPE_DP (0 << 1)
+# define DP_DWN_STRM_PORT_TYPE_ANALOG (1 << 1)
+# define DP_DWN_STRM_PORT_TYPE_TMDS (2 << 1)
+# define DP_DWN_STRM_PORT_TYPE_OTHER (3 << 1)
+# define DP_FORMAT_CONVERSION (1 << 3)
+# define DP_DETAILED_CAP_INFO_AVAILABLE (1 << 4) /* DPI */
+
+#define DP_MAIN_LINK_CHANNEL_CODING 0x006
+# define DP_CAP_ANSI_8B10B (1 << 0)
+# define DP_CAP_ANSI_128B132B (1 << 1) /* 2.0 */
+
+#define DP_DOWN_STREAM_PORT_COUNT 0x007
+# define DP_PORT_COUNT_MASK 0x0f
+# define DP_MSA_TIMING_PAR_IGNORED (1 << 6) /* eDP */
+# define DP_OUI_SUPPORT (1 << 7)
+
+#define DP_RECEIVE_PORT_0_CAP_0 0x008
+# define DP_LOCAL_EDID_PRESENT (1 << 1)
+# define DP_ASSOCIATED_TO_PRECEDING_PORT (1 << 2)
+
+#define DP_RECEIVE_PORT_0_BUFFER_SIZE 0x009
+
+#define DP_RECEIVE_PORT_1_CAP_0 0x00a
+#define DP_RECEIVE_PORT_1_BUFFER_SIZE 0x00b
+
+#define DP_I2C_SPEED_CAP 0x00c /* DPI */
+# define DP_I2C_SPEED_1K 0x01
+# define DP_I2C_SPEED_5K 0x02
+# define DP_I2C_SPEED_10K 0x04
+# define DP_I2C_SPEED_100K 0x08
+# define DP_I2C_SPEED_400K 0x10
+# define DP_I2C_SPEED_1M 0x20
+
+#define DP_EDP_CONFIGURATION_CAP 0x00d /* XXX 1.2? */
+# define DP_ALTERNATE_SCRAMBLER_RESET_CAP (1 << 0)
+# define DP_FRAMING_CHANGE_CAP (1 << 1)
+# define DP_DPCD_DISPLAY_CONTROL_CAPABLE (1 << 3) /* edp v1.2 or higher */
+
+#define DP_TRAINING_AUX_RD_INTERVAL 0x00e /* XXX 1.2? */
+# define DP_TRAINING_AUX_RD_MASK 0x7F /* DP 1.3 */
+# define DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT (1 << 7) /* DP 1.3 */
+
+#define DP_ADAPTER_CAP 0x00f /* 1.2 */
+# define DP_FORCE_LOAD_SENSE_CAP (1 << 0)
+# define DP_ALTERNATE_I2C_PATTERN_CAP (1 << 1)
+
+#define DP_SUPPORTED_LINK_RATES 0x010 /* eDP 1.4 */
+# define DP_MAX_SUPPORTED_RATES 8 /* 16-bit little-endian */
+
+/* Multiple stream transport */
+#define DP_FAUX_CAP 0x020 /* 1.2 */
+# define DP_FAUX_CAP_1 (1 << 0)
+
+#define DP_SINK_VIDEO_FALLBACK_FORMATS 0x020 /* 2.0 */
+# define DP_FALLBACK_1024x768_60HZ_24BPP (1 << 0)
+# define DP_FALLBACK_1280x720_60HZ_24BPP (1 << 1)
+# define DP_FALLBACK_1920x1080_60HZ_24BPP (1 << 2)
+
+#define DP_MSTM_CAP 0x021 /* 1.2 */
+# define DP_MST_CAP (1 << 0)
+# define DP_SINGLE_STREAM_SIDEBAND_MSG (1 << 1) /* 2.0 */
+
+#define DP_NUMBER_OF_AUDIO_ENDPOINTS 0x022 /* 1.2 */
+
+/* AV_SYNC_DATA_BLOCK 1.2 */
+#define DP_AV_GRANULARITY 0x023
+# define DP_AG_FACTOR_MASK (0xf << 0)
+# define DP_AG_FACTOR_3MS (0 << 0)
+# define DP_AG_FACTOR_2MS (1 << 0)
+# define DP_AG_FACTOR_1MS (2 << 0)
+# define DP_AG_FACTOR_500US (3 << 0)
+# define DP_AG_FACTOR_200US (4 << 0)
+# define DP_AG_FACTOR_100US (5 << 0)
+# define DP_AG_FACTOR_10US (6 << 0)
+# define DP_AG_FACTOR_1US (7 << 0)
+# define DP_VG_FACTOR_MASK (0xf << 4)
+# define DP_VG_FACTOR_3MS (0 << 4)
+# define DP_VG_FACTOR_2MS (1 << 4)
+# define DP_VG_FACTOR_1MS (2 << 4)
+# define DP_VG_FACTOR_500US (3 << 4)
+# define DP_VG_FACTOR_200US (4 << 4)
+# define DP_VG_FACTOR_100US (5 << 4)
+
+#define DP_AUD_DEC_LAT0 0x024
+#define DP_AUD_DEC_LAT1 0x025
+
+#define DP_AUD_PP_LAT0 0x026
+#define DP_AUD_PP_LAT1 0x027
+
+#define DP_VID_INTER_LAT 0x028
+
+#define DP_VID_PROG_LAT 0x029
+
+#define DP_REP_LAT 0x02a
+
+#define DP_AUD_DEL_INS0 0x02b
+#define DP_AUD_DEL_INS1 0x02c
+#define DP_AUD_DEL_INS2 0x02d
+/* End of AV_SYNC_DATA_BLOCK */
+
+#define DP_RECEIVER_ALPM_CAP 0x02e /* eDP 1.4 */
+# define DP_ALPM_CAP (1 << 0)
+
+#define DP_SINK_DEVICE_AUX_FRAME_SYNC_CAP 0x02f /* eDP 1.4 */
+# define DP_AUX_FRAME_SYNC_CAP (1 << 0)
+
+#define DP_GUID 0x030 /* 1.2 */
+
+#define DP_DSC_SUPPORT 0x060 /* DP 1.4 */
+# define DP_DSC_DECOMPRESSION_IS_SUPPORTED (1 << 0)
+
+#define DP_DSC_REV 0x061
+# define DP_DSC_MAJOR_MASK (0xf << 0)
+# define DP_DSC_MINOR_MASK (0xf << 4)
+# define DP_DSC_MAJOR_SHIFT 0
+# define DP_DSC_MINOR_SHIFT 4
+
+#define DP_DSC_RC_BUF_BLK_SIZE 0x062
+# define DP_DSC_RC_BUF_BLK_SIZE_1 0x0
+# define DP_DSC_RC_BUF_BLK_SIZE_4 0x1
+# define DP_DSC_RC_BUF_BLK_SIZE_16 0x2
+# define DP_DSC_RC_BUF_BLK_SIZE_64 0x3
+
+#define DP_DSC_RC_BUF_SIZE 0x063
+
+#define DP_DSC_SLICE_CAP_1 0x064
+# define DP_DSC_1_PER_DP_DSC_SINK (1 << 0)
+# define DP_DSC_2_PER_DP_DSC_SINK (1 << 1)
+# define DP_DSC_4_PER_DP_DSC_SINK (1 << 3)
+# define DP_DSC_6_PER_DP_DSC_SINK (1 << 4)
+# define DP_DSC_8_PER_DP_DSC_SINK (1 << 5)
+# define DP_DSC_10_PER_DP_DSC_SINK (1 << 6)
+# define DP_DSC_12_PER_DP_DSC_SINK (1 << 7)
+
+#define DP_DSC_LINE_BUF_BIT_DEPTH 0x065
+# define DP_DSC_LINE_BUF_BIT_DEPTH_MASK (0xf << 0)
+# define DP_DSC_LINE_BUF_BIT_DEPTH_9 0x0
+# define DP_DSC_LINE_BUF_BIT_DEPTH_10 0x1
+# define DP_DSC_LINE_BUF_BIT_DEPTH_11 0x2
+# define DP_DSC_LINE_BUF_BIT_DEPTH_12 0x3
+# define DP_DSC_LINE_BUF_BIT_DEPTH_13 0x4
+# define DP_DSC_LINE_BUF_BIT_DEPTH_14 0x5
+# define DP_DSC_LINE_BUF_BIT_DEPTH_15 0x6
+# define DP_DSC_LINE_BUF_BIT_DEPTH_16 0x7
+# define DP_DSC_LINE_BUF_BIT_DEPTH_8 0x8
+
+#define DP_DSC_BLK_PREDICTION_SUPPORT 0x066
+# define DP_DSC_BLK_PREDICTION_IS_SUPPORTED (1 << 0)
+
+#define DP_DSC_MAX_BITS_PER_PIXEL_LOW 0x067 /* eDP 1.4 */
+
+#define DP_DSC_MAX_BITS_PER_PIXEL_HI 0x068 /* eDP 1.4 */
+# define DP_DSC_MAX_BITS_PER_PIXEL_HI_MASK (0x3 << 0)
+# define DP_DSC_MAX_BITS_PER_PIXEL_HI_SHIFT 8
+
+#define DP_DSC_DEC_COLOR_FORMAT_CAP 0x069
+# define DP_DSC_RGB (1 << 0)
+# define DP_DSC_YCbCr444 (1 << 1)
+# define DP_DSC_YCbCr422_Simple (1 << 2)
+# define DP_DSC_YCbCr422_Native (1 << 3)
+# define DP_DSC_YCbCr420_Native (1 << 4)
+
+#define DP_DSC_DEC_COLOR_DEPTH_CAP 0x06A
+# define DP_DSC_8_BPC (1 << 1)
+# define DP_DSC_10_BPC (1 << 2)
+# define DP_DSC_12_BPC (1 << 3)
+
+#define DP_DSC_PEAK_THROUGHPUT 0x06B
+# define DP_DSC_THROUGHPUT_MODE_0_MASK (0xf << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_SHIFT 0
+# define DP_DSC_THROUGHPUT_MODE_0_UNSUPPORTED 0
+# define DP_DSC_THROUGHPUT_MODE_0_340 (1 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_400 (2 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_450 (3 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_500 (4 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_550 (5 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_600 (6 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_650 (7 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_700 (8 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_750 (9 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_800 (10 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_850 (11 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_900 (12 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_950 (13 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_1000 (14 << 0)
+# define DP_DSC_THROUGHPUT_MODE_0_170 (15 << 0) /* 1.4a */
+# define DP_DSC_THROUGHPUT_MODE_1_MASK (0xf << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_SHIFT 4
+# define DP_DSC_THROUGHPUT_MODE_1_UNSUPPORTED 0
+# define DP_DSC_THROUGHPUT_MODE_1_340 (1 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_400 (2 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_450 (3 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_500 (4 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_550 (5 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_600 (6 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_650 (7 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_700 (8 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_750 (9 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_800 (10 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_850 (11 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_900 (12 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_950 (13 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_1000 (14 << 4)
+# define DP_DSC_THROUGHPUT_MODE_1_170 (15 << 4)
+
+#define DP_DSC_MAX_SLICE_WIDTH 0x06C
+#define DP_DSC_MIN_SLICE_WIDTH_VALUE 2560
+#define DP_DSC_SLICE_WIDTH_MULTIPLIER 320
+
+#define DP_DSC_SLICE_CAP_2 0x06D
+# define DP_DSC_16_PER_DP_DSC_SINK (1 << 0)
+# define DP_DSC_20_PER_DP_DSC_SINK (1 << 1)
+# define DP_DSC_24_PER_DP_DSC_SINK (1 << 2)
+
+#define DP_DSC_BITS_PER_PIXEL_INC 0x06F
+# define DP_DSC_BITS_PER_PIXEL_1_16 0x0
+# define DP_DSC_BITS_PER_PIXEL_1_8 0x1
+# define DP_DSC_BITS_PER_PIXEL_1_4 0x2
+# define DP_DSC_BITS_PER_PIXEL_1_2 0x3
+# define DP_DSC_BITS_PER_PIXEL_1 0x4
+
+#define DP_PSR_SUPPORT 0x070 /* XXX 1.2? */
+# define DP_PSR_IS_SUPPORTED 1
+# define DP_PSR2_IS_SUPPORTED 2 /* eDP 1.4 */
+# define DP_PSR2_WITH_Y_COORD_IS_SUPPORTED 3 /* eDP 1.4a */
+
+#define DP_PSR_CAPS 0x071 /* XXX 1.2? */
+# define DP_PSR_NO_TRAIN_ON_EXIT 1
+# define DP_PSR_SETUP_TIME_330 (0 << 1)
+# define DP_PSR_SETUP_TIME_275 (1 << 1)
+# define DP_PSR_SETUP_TIME_220 (2 << 1)
+# define DP_PSR_SETUP_TIME_165 (3 << 1)
+# define DP_PSR_SETUP_TIME_110 (4 << 1)
+# define DP_PSR_SETUP_TIME_55 (5 << 1)
+# define DP_PSR_SETUP_TIME_0 (6 << 1)
+# define DP_PSR_SETUP_TIME_MASK (7 << 1)
+# define DP_PSR_SETUP_TIME_SHIFT 1
+# define DP_PSR2_SU_Y_COORDINATE_REQUIRED (1 << 4) /* eDP 1.4a */
+# define DP_PSR2_SU_GRANULARITY_REQUIRED (1 << 5) /* eDP 1.4b */
+
+#define DP_PSR2_SU_X_GRANULARITY 0x072 /* eDP 1.4b */
+#define DP_PSR2_SU_Y_GRANULARITY 0x074 /* eDP 1.4b */
+
+/*
+ * 0x80-0x8f describe downstream port capabilities, but there are two layouts
+ * based on whether DP_DETAILED_CAP_INFO_AVAILABLE was set. If it was not,
+ * each port's descriptor is one byte wide. If it was set, each port's is
+ * four bytes wide, starting with the one byte from the base info. As of
+ * DP interop v1.1a only VGA defines additional detail.
+ */
+
+/* offset 0 */
+#define DP_DOWNSTREAM_PORT_0 0x80
+# define DP_DS_PORT_TYPE_MASK (7 << 0)
+# define DP_DS_PORT_TYPE_DP 0
+# define DP_DS_PORT_TYPE_VGA 1
+# define DP_DS_PORT_TYPE_DVI 2
+# define DP_DS_PORT_TYPE_HDMI 3
+# define DP_DS_PORT_TYPE_NON_EDID 4
+# define DP_DS_PORT_TYPE_DP_DUALMODE 5
+# define DP_DS_PORT_TYPE_WIRELESS 6
+# define DP_DS_PORT_HPD (1 << 3)
+# define DP_DS_NON_EDID_MASK (0xf << 4)
+# define DP_DS_NON_EDID_720x480i_60 (1 << 4)
+# define DP_DS_NON_EDID_720x480i_50 (2 << 4)
+# define DP_DS_NON_EDID_1920x1080i_60 (3 << 4)
+# define DP_DS_NON_EDID_1920x1080i_50 (4 << 4)
+# define DP_DS_NON_EDID_1280x720_60 (5 << 4)
+# define DP_DS_NON_EDID_1280x720_50 (7 << 4)
+/* offset 1 for VGA is maximum megapixels per second / 8 */
+/* offset 1 for DVI/HDMI is maximum TMDS clock in Mbps / 2.5 */
+/* offset 2 for VGA/DVI/HDMI */
+# define DP_DS_MAX_BPC_MASK (3 << 0)
+# define DP_DS_8BPC 0
+# define DP_DS_10BPC 1
+# define DP_DS_12BPC 2
+# define DP_DS_16BPC 3
+/* HDMI2.1 PCON FRL CONFIGURATION */
+# define DP_PCON_MAX_FRL_BW (7 << 2)
+# define DP_PCON_MAX_0GBPS (0 << 2)
+# define DP_PCON_MAX_9GBPS (1 << 2)
+# define DP_PCON_MAX_18GBPS (2 << 2)
+# define DP_PCON_MAX_24GBPS (3 << 2)
+# define DP_PCON_MAX_32GBPS (4 << 2)
+# define DP_PCON_MAX_40GBPS (5 << 2)
+# define DP_PCON_MAX_48GBPS (6 << 2)
+# define DP_PCON_SOURCE_CTL_MODE (1 << 5)
+
+/* offset 3 for DVI */
+# define DP_DS_DVI_DUAL_LINK (1 << 1)
+# define DP_DS_DVI_HIGH_COLOR_DEPTH (1 << 2)
+/* offset 3 for HDMI */
+# define DP_DS_HDMI_FRAME_SEQ_TO_FRAME_PACK (1 << 0)
+# define DP_DS_HDMI_YCBCR422_PASS_THROUGH (1 << 1)
+# define DP_DS_HDMI_YCBCR420_PASS_THROUGH (1 << 2)
+# define DP_DS_HDMI_YCBCR444_TO_422_CONV (1 << 3)
+# define DP_DS_HDMI_YCBCR444_TO_420_CONV (1 << 4)
+
+/*
+ * VESA DP-to-HDMI PCON Specification adds caps for colorspace
+ * conversion in DFP cap DPCD 83h. Sec6.1 Table-3.
+ * Based on the available support the source can enable
+ * color conversion by writing into PROTOCOL_COVERTER_CONTROL_2
+ * DPCD 3052h.
+ */
+# define DP_DS_HDMI_BT601_RGB_YCBCR_CONV (1 << 5)
+# define DP_DS_HDMI_BT709_RGB_YCBCR_CONV (1 << 6)
+# define DP_DS_HDMI_BT2020_RGB_YCBCR_CONV (1 << 7)
+
+#define DP_MAX_DOWNSTREAM_PORTS 0x10
+
+/* DP Forward error Correction Registers */
+#define DP_FEC_CAPABILITY 0x090 /* 1.4 */
+# define DP_FEC_CAPABLE (1 << 0)
+# define DP_FEC_UNCORR_BLK_ERROR_COUNT_CAP (1 << 1)
+# define DP_FEC_CORR_BLK_ERROR_COUNT_CAP (1 << 2)
+# define DP_FEC_BIT_ERROR_COUNT_CAP (1 << 3)
+#define DP_FEC_CAPABILITY_1 0x091 /* 2.0 */
+
+/* DP-HDMI2.1 PCON DSC ENCODER SUPPORT */
+#define DP_PCON_DSC_ENCODER_CAP_SIZE 0xC /* 0x9E - 0x92 */
+#define DP_PCON_DSC_ENCODER 0x092
+# define DP_PCON_DSC_ENCODER_SUPPORTED (1 << 0)
+# define DP_PCON_DSC_PPS_ENC_OVERRIDE (1 << 1)
+
+/* DP-HDMI2.1 PCON DSC Version */
+#define DP_PCON_DSC_VERSION 0x093
+# define DP_PCON_DSC_MAJOR_MASK (0xF << 0)
+# define DP_PCON_DSC_MINOR_MASK (0xF << 4)
+# define DP_PCON_DSC_MAJOR_SHIFT 0
+# define DP_PCON_DSC_MINOR_SHIFT 4
+
+/* DP-HDMI2.1 PCON DSC RC Buffer block size */
+#define DP_PCON_DSC_RC_BUF_BLK_INFO 0x094
+# define DP_PCON_DSC_RC_BUF_BLK_SIZE (0x3 << 0)
+# define DP_PCON_DSC_RC_BUF_BLK_1KB 0
+# define DP_PCON_DSC_RC_BUF_BLK_4KB 1
+# define DP_PCON_DSC_RC_BUF_BLK_16KB 2
+# define DP_PCON_DSC_RC_BUF_BLK_64KB 3
+
+/* DP-HDMI2.1 PCON DSC RC Buffer size */
+#define DP_PCON_DSC_RC_BUF_SIZE 0x095
+
+/* DP-HDMI2.1 PCON DSC Slice capabilities-1 */
+#define DP_PCON_DSC_SLICE_CAP_1 0x096
+# define DP_PCON_DSC_1_PER_DSC_ENC (0x1 << 0)
+# define DP_PCON_DSC_2_PER_DSC_ENC (0x1 << 1)
+# define DP_PCON_DSC_4_PER_DSC_ENC (0x1 << 3)
+# define DP_PCON_DSC_6_PER_DSC_ENC (0x1 << 4)
+# define DP_PCON_DSC_8_PER_DSC_ENC (0x1 << 5)
+# define DP_PCON_DSC_10_PER_DSC_ENC (0x1 << 6)
+# define DP_PCON_DSC_12_PER_DSC_ENC (0x1 << 7)
+
+#define DP_PCON_DSC_BUF_BIT_DEPTH 0x097
+# define DP_PCON_DSC_BIT_DEPTH_MASK (0xF << 0)
+# define DP_PCON_DSC_DEPTH_9_BITS 0
+# define DP_PCON_DSC_DEPTH_10_BITS 1
+# define DP_PCON_DSC_DEPTH_11_BITS 2
+# define DP_PCON_DSC_DEPTH_12_BITS 3
+# define DP_PCON_DSC_DEPTH_13_BITS 4
+# define DP_PCON_DSC_DEPTH_14_BITS 5
+# define DP_PCON_DSC_DEPTH_15_BITS 6
+# define DP_PCON_DSC_DEPTH_16_BITS 7
+# define DP_PCON_DSC_DEPTH_8_BITS 8
+
+#define DP_PCON_DSC_BLOCK_PREDICTION 0x098
+# define DP_PCON_DSC_BLOCK_PRED_SUPPORT (0x1 << 0)
+
+#define DP_PCON_DSC_ENC_COLOR_FMT_CAP 0x099
+# define DP_PCON_DSC_ENC_RGB (0x1 << 0)
+# define DP_PCON_DSC_ENC_YUV444 (0x1 << 1)
+# define DP_PCON_DSC_ENC_YUV422_S (0x1 << 2)
+# define DP_PCON_DSC_ENC_YUV422_N (0x1 << 3)
+# define DP_PCON_DSC_ENC_YUV420_N (0x1 << 4)
+
+#define DP_PCON_DSC_ENC_COLOR_DEPTH_CAP 0x09A
+# define DP_PCON_DSC_ENC_8BPC (0x1 << 1)
+# define DP_PCON_DSC_ENC_10BPC (0x1 << 2)
+# define DP_PCON_DSC_ENC_12BPC (0x1 << 3)
+
+#define DP_PCON_DSC_MAX_SLICE_WIDTH 0x09B
+
+/* DP-HDMI2.1 PCON DSC Slice capabilities-2 */
+#define DP_PCON_DSC_SLICE_CAP_2 0x09C
+# define DP_PCON_DSC_16_PER_DSC_ENC (0x1 << 0)
+# define DP_PCON_DSC_20_PER_DSC_ENC (0x1 << 1)
+# define DP_PCON_DSC_24_PER_DSC_ENC (0x1 << 2)
+
+/* DP-HDMI2.1 PCON HDMI TX Encoder Bits/pixel increment */
+#define DP_PCON_DSC_BPP_INCR 0x09E
+# define DP_PCON_DSC_BPP_INCR_MASK (0x7 << 0)
+# define DP_PCON_DSC_ONE_16TH_BPP 0
+# define DP_PCON_DSC_ONE_8TH_BPP 1
+# define DP_PCON_DSC_ONE_4TH_BPP 2
+# define DP_PCON_DSC_ONE_HALF_BPP 3
+# define DP_PCON_DSC_ONE_BPP 4
+
+/* DP Extended DSC Capabilities */
+#define DP_DSC_BRANCH_OVERALL_THROUGHPUT_0 0x0a0 /* DP 1.4a SCR */
+#define DP_DSC_BRANCH_OVERALL_THROUGHPUT_1 0x0a1
+#define DP_DSC_BRANCH_MAX_LINE_WIDTH 0x0a2
+
+/* DFP Capability Extension */
+#define DP_DFP_CAPABILITY_EXTENSION_SUPPORT 0x0a3 /* 2.0 */
+
+/* Link Configuration */
+#define DP_LINK_BW_SET 0x100
+# define DP_LINK_RATE_TABLE 0x00 /* eDP 1.4 */
+# define DP_LINK_BW_1_62 0x06
+# define DP_LINK_BW_2_7 0x0a
+# define DP_LINK_BW_5_4 0x14 /* 1.2 */
+# define DP_LINK_BW_8_1 0x1e /* 1.4 */
+# define DP_LINK_BW_10 0x01 /* 2.0 128b/132b Link Layer */
+# define DP_LINK_BW_13_5 0x04 /* 2.0 128b/132b Link Layer */
+# define DP_LINK_BW_20 0x02 /* 2.0 128b/132b Link Layer */
+
+#define DP_LANE_COUNT_SET 0x101
+# define DP_LANE_COUNT_MASK 0x0f
+# define DP_LANE_COUNT_ENHANCED_FRAME_EN (1 << 7)
+
+#define DP_TRAINING_PATTERN_SET 0x102
+# define DP_TRAINING_PATTERN_DISABLE 0
+# define DP_TRAINING_PATTERN_1 1
+# define DP_TRAINING_PATTERN_2 2
+# define DP_TRAINING_PATTERN_3 3 /* 1.2 */
+# define DP_TRAINING_PATTERN_4 7 /* 1.4 */
+# define DP_TRAINING_PATTERN_MASK 0x3
+# define DP_TRAINING_PATTERN_MASK_1_4 0xf
+
+/* DPCD 1.1 only. For DPCD >= 1.2 see per-lane DP_LINK_QUAL_LANEn_SET */
+# define DP_LINK_QUAL_PATTERN_11_DISABLE (0 << 2)
+# define DP_LINK_QUAL_PATTERN_11_D10_2 (1 << 2)
+# define DP_LINK_QUAL_PATTERN_11_ERROR_RATE (2 << 2)
+# define DP_LINK_QUAL_PATTERN_11_PRBS7 (3 << 2)
+# define DP_LINK_QUAL_PATTERN_11_MASK (3 << 2)
+
+# define DP_RECOVERED_CLOCK_OUT_EN (1 << 4)
+# define DP_LINK_SCRAMBLING_DISABLE (1 << 5)
+
+# define DP_SYMBOL_ERROR_COUNT_BOTH (0 << 6)
+# define DP_SYMBOL_ERROR_COUNT_DISPARITY (1 << 6)
+# define DP_SYMBOL_ERROR_COUNT_SYMBOL (2 << 6)
+# define DP_SYMBOL_ERROR_COUNT_MASK (3 << 6)
+
+#define DP_TRAINING_LANE0_SET 0x103
+#define DP_TRAINING_LANE1_SET 0x104
+#define DP_TRAINING_LANE2_SET 0x105
+#define DP_TRAINING_LANE3_SET 0x106
+
+# define DP_TRAIN_VOLTAGE_SWING_MASK 0x3
+# define DP_TRAIN_VOLTAGE_SWING_SHIFT 0
+# define DP_TRAIN_MAX_SWING_REACHED (1 << 2)
+# define DP_TRAIN_VOLTAGE_SWING_LEVEL_0 (0 << 0)
+# define DP_TRAIN_VOLTAGE_SWING_LEVEL_1 (1 << 0)
+# define DP_TRAIN_VOLTAGE_SWING_LEVEL_2 (2 << 0)
+# define DP_TRAIN_VOLTAGE_SWING_LEVEL_3 (3 << 0)
+
+# define DP_TRAIN_PRE_EMPHASIS_MASK (3 << 3)
+# define DP_TRAIN_PRE_EMPH_LEVEL_0 (0 << 3)
+# define DP_TRAIN_PRE_EMPH_LEVEL_1 (1 << 3)
+# define DP_TRAIN_PRE_EMPH_LEVEL_2 (2 << 3)
+# define DP_TRAIN_PRE_EMPH_LEVEL_3 (3 << 3)
+
+# define DP_TRAIN_PRE_EMPHASIS_SHIFT 3
+# define DP_TRAIN_MAX_PRE_EMPHASIS_REACHED (1 << 5)
+
+# define DP_TX_FFE_PRESET_VALUE_MASK (0xf << 0) /* 2.0 128b/132b Link Layer */
+
+#define DP_DOWNSPREAD_CTRL 0x107
+# define DP_SPREAD_AMP_0_5 (1 << 4)
+# define DP_MSA_TIMING_PAR_IGNORE_EN (1 << 7) /* eDP */
+
+#define DP_MAIN_LINK_CHANNEL_CODING_SET 0x108
+# define DP_SET_ANSI_8B10B (1 << 0)
+# define DP_SET_ANSI_128B132B (1 << 1)
+
+#define DP_I2C_SPEED_CONTROL_STATUS 0x109 /* DPI */
+/* bitmask as for DP_I2C_SPEED_CAP */
+
+#define DP_EDP_CONFIGURATION_SET 0x10a /* XXX 1.2? */
+# define DP_ALTERNATE_SCRAMBLER_RESET_ENABLE (1 << 0)
+# define DP_FRAMING_CHANGE_ENABLE (1 << 1)
+# define DP_PANEL_SELF_TEST_ENABLE (1 << 7)
+
+#define DP_LINK_QUAL_LANE0_SET 0x10b /* DPCD >= 1.2 */
+#define DP_LINK_QUAL_LANE1_SET 0x10c
+#define DP_LINK_QUAL_LANE2_SET 0x10d
+#define DP_LINK_QUAL_LANE3_SET 0x10e
+# define DP_LINK_QUAL_PATTERN_DISABLE 0
+# define DP_LINK_QUAL_PATTERN_D10_2 1
+# define DP_LINK_QUAL_PATTERN_ERROR_RATE 2
+# define DP_LINK_QUAL_PATTERN_PRBS7 3
+# define DP_LINK_QUAL_PATTERN_80BIT_CUSTOM 4
+# define DP_LINK_QUAL_PATTERN_CP2520_PAT_1 5
+# define DP_LINK_QUAL_PATTERN_CP2520_PAT_2 6
+# define DP_LINK_QUAL_PATTERN_CP2520_PAT_3 7
+/* DP 2.0 UHBR10, UHBR13.5, UHBR20 */
+# define DP_LINK_QUAL_PATTERN_128B132B_TPS1 0x08
+# define DP_LINK_QUAL_PATTERN_128B132B_TPS2 0x10
+# define DP_LINK_QUAL_PATTERN_PRSBS9 0x18
+# define DP_LINK_QUAL_PATTERN_PRSBS11 0x20
+# define DP_LINK_QUAL_PATTERN_PRSBS15 0x28
+# define DP_LINK_QUAL_PATTERN_PRSBS23 0x30
+# define DP_LINK_QUAL_PATTERN_PRSBS31 0x38
+# define DP_LINK_QUAL_PATTERN_CUSTOM 0x40
+# define DP_LINK_QUAL_PATTERN_SQUARE 0x48
+
+#define DP_TRAINING_LANE0_1_SET2 0x10f
+#define DP_TRAINING_LANE2_3_SET2 0x110
+# define DP_LANE02_POST_CURSOR2_SET_MASK (3 << 0)
+# define DP_LANE02_MAX_POST_CURSOR2_REACHED (1 << 2)
+# define DP_LANE13_POST_CURSOR2_SET_MASK (3 << 4)
+# define DP_LANE13_MAX_POST_CURSOR2_REACHED (1 << 6)
+
+#define DP_MSTM_CTRL 0x111 /* 1.2 */
+# define DP_MST_EN (1 << 0)
+# define DP_UP_REQ_EN (1 << 1)
+# define DP_UPSTREAM_IS_SRC (1 << 2)
+
+#define DP_AUDIO_DELAY0 0x112 /* 1.2 */
+#define DP_AUDIO_DELAY1 0x113
+#define DP_AUDIO_DELAY2 0x114
+
+#define DP_LINK_RATE_SET 0x115 /* eDP 1.4 */
+# define DP_LINK_RATE_SET_SHIFT 0
+# define DP_LINK_RATE_SET_MASK (7 << 0)
+
+#define DP_RECEIVER_ALPM_CONFIG 0x116 /* eDP 1.4 */
+# define DP_ALPM_ENABLE (1 << 0)
+# define DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE (1 << 1)
+
+#define DP_SINK_DEVICE_AUX_FRAME_SYNC_CONF 0x117 /* eDP 1.4 */
+# define DP_AUX_FRAME_SYNC_ENABLE (1 << 0)
+# define DP_IRQ_HPD_ENABLE (1 << 1)
+
+#define DP_UPSTREAM_DEVICE_DP_PWR_NEED 0x118 /* 1.2 */
+# define DP_PWR_NOT_NEEDED (1 << 0)
+
+#define DP_FEC_CONFIGURATION 0x120 /* 1.4 */
+# define DP_FEC_READY (1 << 0)
+# define DP_FEC_ERR_COUNT_SEL_MASK (7 << 1)
+# define DP_FEC_ERR_COUNT_DIS (0 << 1)
+# define DP_FEC_UNCORR_BLK_ERROR_COUNT (1 << 1)
+# define DP_FEC_CORR_BLK_ERROR_COUNT (2 << 1)
+# define DP_FEC_BIT_ERROR_COUNT (3 << 1)
+# define DP_FEC_LANE_SELECT_MASK (3 << 4)
+# define DP_FEC_LANE_0_SELECT (0 << 4)
+# define DP_FEC_LANE_1_SELECT (1 << 4)
+# define DP_FEC_LANE_2_SELECT (2 << 4)
+# define DP_FEC_LANE_3_SELECT (3 << 4)
+
+#define DP_AUX_FRAME_SYNC_VALUE 0x15c /* eDP 1.4 */
+# define DP_AUX_FRAME_SYNC_VALID (1 << 0)
+
+#define DP_DSC_ENABLE 0x160 /* DP 1.4 */
+# define DP_DECOMPRESSION_EN (1 << 0)
+#define DP_DSC_CONFIGURATION 0x161 /* DP 2.0 */
+
+#define DP_PSR_EN_CFG 0x170 /* XXX 1.2? */
+# define DP_PSR_ENABLE BIT(0)
+# define DP_PSR_MAIN_LINK_ACTIVE BIT(1)
+# define DP_PSR_CRC_VERIFICATION BIT(2)
+# define DP_PSR_FRAME_CAPTURE BIT(3)
+# define DP_PSR_SU_REGION_SCANLINE_CAPTURE BIT(4) /* eDP 1.4a */
+# define DP_PSR_IRQ_HPD_WITH_CRC_ERRORS BIT(5) /* eDP 1.4a */
+# define DP_PSR_ENABLE_PSR2 BIT(6) /* eDP 1.4a */
+
+#define DP_ADAPTER_CTRL 0x1a0
+# define DP_ADAPTER_CTRL_FORCE_LOAD_SENSE (1 << 0)
+
+#define DP_BRANCH_DEVICE_CTRL 0x1a1
+# define DP_BRANCH_DEVICE_IRQ_HPD (1 << 0)
+
+#define DP_PAYLOAD_ALLOCATE_SET 0x1c0
+#define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1
+#define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2
+
+/* Link/Sink Device Status */
+#define DP_SINK_COUNT 0x200
+/* prior to 1.2 bit 7 was reserved mbz */
+# define DP_GET_SINK_COUNT(x) ((((x) & 0x80) >> 1) | ((x) & 0x3f))
+# define DP_SINK_CP_READY (1 << 6)
+
+#define DP_DEVICE_SERVICE_IRQ_VECTOR 0x201
+# define DP_REMOTE_CONTROL_COMMAND_PENDING (1 << 0)
+# define DP_AUTOMATED_TEST_REQUEST (1 << 1)
+# define DP_CP_IRQ (1 << 2)
+# define DP_MCCS_IRQ (1 << 3)
+# define DP_DOWN_REP_MSG_RDY (1 << 4) /* 1.2 MST */
+# define DP_UP_REQ_MSG_RDY (1 << 5) /* 1.2 MST */
+# define DP_SINK_SPECIFIC_IRQ (1 << 6)
+
+#define DP_LANE0_1_STATUS 0x202
+#define DP_LANE2_3_STATUS 0x203
+# define DP_LANE_CR_DONE (1 << 0)
+# define DP_LANE_CHANNEL_EQ_DONE (1 << 1)
+# define DP_LANE_SYMBOL_LOCKED (1 << 2)
+
+#define DP_CHANNEL_EQ_BITS (DP_LANE_CR_DONE | \
+ DP_LANE_CHANNEL_EQ_DONE | \
+ DP_LANE_SYMBOL_LOCKED)
+
+#define DP_LANE_ALIGN_STATUS_UPDATED 0x204
+
+#define DP_INTERLANE_ALIGN_DONE (1 << 0)
+#define DP_DOWNSTREAM_PORT_STATUS_CHANGED (1 << 6)
+#define DP_LINK_STATUS_UPDATED (1 << 7)
+
+#define DP_SINK_STATUS 0x205
+# define DP_RECEIVE_PORT_0_STATUS (1 << 0)
+# define DP_RECEIVE_PORT_1_STATUS (1 << 1)
+# define DP_STREAM_REGENERATION_STATUS (1 << 2) /* 2.0 */
+# define DP_INTRA_HOP_AUX_REPLY_INDICATION (1 << 3) /* 2.0 */
+
+#define DP_ADJUST_REQUEST_LANE0_1 0x206
+#define DP_ADJUST_REQUEST_LANE2_3 0x207
+# define DP_ADJUST_VOLTAGE_SWING_LANE0_MASK 0x03
+# define DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT 0
+# define DP_ADJUST_PRE_EMPHASIS_LANE0_MASK 0x0c
+# define DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT 2
+# define DP_ADJUST_VOLTAGE_SWING_LANE1_MASK 0x30
+# define DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT 4
+# define DP_ADJUST_PRE_EMPHASIS_LANE1_MASK 0xc0
+# define DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT 6
+
+/* DP 2.0 128b/132b Link Layer */
+# define DP_ADJUST_TX_FFE_PRESET_LANE0_MASK (0xf << 0)
+# define DP_ADJUST_TX_FFE_PRESET_LANE0_SHIFT 0
+# define DP_ADJUST_TX_FFE_PRESET_LANE1_MASK (0xf << 4)
+# define DP_ADJUST_TX_FFE_PRESET_LANE1_SHIFT 4
+
+#define DP_ADJUST_REQUEST_POST_CURSOR2 0x20c
+# define DP_ADJUST_POST_CURSOR2_LANE0_MASK 0x03
+# define DP_ADJUST_POST_CURSOR2_LANE0_SHIFT 0
+# define DP_ADJUST_POST_CURSOR2_LANE1_MASK 0x0c
+# define DP_ADJUST_POST_CURSOR2_LANE1_SHIFT 2
+# define DP_ADJUST_POST_CURSOR2_LANE2_MASK 0x30
+# define DP_ADJUST_POST_CURSOR2_LANE2_SHIFT 4
+# define DP_ADJUST_POST_CURSOR2_LANE3_MASK 0xc0
+# define DP_ADJUST_POST_CURSOR2_LANE3_SHIFT 6
+
+#define DP_TEST_REQUEST 0x218
+# define DP_TEST_LINK_TRAINING (1 << 0)
+# define DP_TEST_LINK_VIDEO_PATTERN (1 << 1)
+# define DP_TEST_LINK_EDID_READ (1 << 2)
+# define DP_TEST_LINK_PHY_TEST_PATTERN (1 << 3) /* DPCD >= 1.1 */
+# define DP_TEST_LINK_FAUX_PATTERN (1 << 4) /* DPCD >= 1.2 */
+# define DP_TEST_LINK_AUDIO_PATTERN (1 << 5) /* DPCD >= 1.2 */
+# define DP_TEST_LINK_AUDIO_DISABLED_VIDEO (1 << 6) /* DPCD >= 1.2 */
+
+#define DP_TEST_LINK_RATE 0x219
+# define DP_LINK_RATE_162 (0x6)
+# define DP_LINK_RATE_27 (0xa)
+
+#define DP_TEST_LANE_COUNT 0x220
+
+#define DP_TEST_PATTERN 0x221
+# define DP_NO_TEST_PATTERN 0x0
+# define DP_COLOR_RAMP 0x1
+# define DP_BLACK_AND_WHITE_VERTICAL_LINES 0x2
+# define DP_COLOR_SQUARE 0x3
+
+#define DP_TEST_H_TOTAL_HI 0x222
+#define DP_TEST_H_TOTAL_LO 0x223
+
+#define DP_TEST_V_TOTAL_HI 0x224
+#define DP_TEST_V_TOTAL_LO 0x225
+
+#define DP_TEST_H_START_HI 0x226
+#define DP_TEST_H_START_LO 0x227
+
+#define DP_TEST_V_START_HI 0x228
+#define DP_TEST_V_START_LO 0x229
+
+#define DP_TEST_HSYNC_HI 0x22A
+# define DP_TEST_HSYNC_POLARITY (1 << 7)
+# define DP_TEST_HSYNC_WIDTH_HI_MASK (127 << 0)
+#define DP_TEST_HSYNC_WIDTH_LO 0x22B
+
+#define DP_TEST_VSYNC_HI 0x22C
+# define DP_TEST_VSYNC_POLARITY (1 << 7)
+# define DP_TEST_VSYNC_WIDTH_HI_MASK (127 << 0)
+#define DP_TEST_VSYNC_WIDTH_LO 0x22D
+
+#define DP_TEST_H_WIDTH_HI 0x22E
+#define DP_TEST_H_WIDTH_LO 0x22F
+
+#define DP_TEST_V_HEIGHT_HI 0x230
+#define DP_TEST_V_HEIGHT_LO 0x231
+
+#define DP_TEST_MISC0 0x232
+# define DP_TEST_SYNC_CLOCK (1 << 0)
+# define DP_TEST_COLOR_FORMAT_MASK (3 << 1)
+# define DP_TEST_COLOR_FORMAT_SHIFT 1
+# define DP_COLOR_FORMAT_RGB (0 << 1)
+# define DP_COLOR_FORMAT_YCbCr422 (1 << 1)
+# define DP_COLOR_FORMAT_YCbCr444 (2 << 1)
+# define DP_TEST_DYNAMIC_RANGE_VESA (0 << 3)
+# define DP_TEST_DYNAMIC_RANGE_CEA (1 << 3)
+# define DP_TEST_YCBCR_COEFFICIENTS (1 << 4)
+# define DP_YCBCR_COEFFICIENTS_ITU601 (0 << 4)
+# define DP_YCBCR_COEFFICIENTS_ITU709 (1 << 4)
+# define DP_TEST_BIT_DEPTH_MASK (7 << 5)
+# define DP_TEST_BIT_DEPTH_SHIFT 5
+# define DP_TEST_BIT_DEPTH_6 (0 << 5)
+# define DP_TEST_BIT_DEPTH_8 (1 << 5)
+# define DP_TEST_BIT_DEPTH_10 (2 << 5)
+# define DP_TEST_BIT_DEPTH_12 (3 << 5)
+# define DP_TEST_BIT_DEPTH_16 (4 << 5)
+
+#define DP_TEST_MISC1 0x233
+# define DP_TEST_REFRESH_DENOMINATOR (1 << 0)
+# define DP_TEST_INTERLACED (1 << 1)
+
+#define DP_TEST_REFRESH_RATE_NUMERATOR 0x234
+
+#define DP_TEST_MISC0 0x232
+
+#define DP_TEST_CRC_R_CR 0x240
+#define DP_TEST_CRC_G_Y 0x242
+#define DP_TEST_CRC_B_CB 0x244
+
+#define DP_TEST_SINK_MISC 0x246
+# define DP_TEST_CRC_SUPPORTED (1 << 5)
+# define DP_TEST_COUNT_MASK 0xf
+
+#define DP_PHY_TEST_PATTERN 0x248
+# define DP_PHY_TEST_PATTERN_SEL_MASK 0x7
+# define DP_PHY_TEST_PATTERN_NONE 0x0
+# define DP_PHY_TEST_PATTERN_D10_2 0x1
+# define DP_PHY_TEST_PATTERN_ERROR_COUNT 0x2
+# define DP_PHY_TEST_PATTERN_PRBS7 0x3
+# define DP_PHY_TEST_PATTERN_80BIT_CUSTOM 0x4
+# define DP_PHY_TEST_PATTERN_CP2520 0x5
+
+#define DP_PHY_SQUARE_PATTERN 0x249
+
+#define DP_TEST_HBR2_SCRAMBLER_RESET 0x24A
+#define DP_TEST_80BIT_CUSTOM_PATTERN_7_0 0x250
+#define DP_TEST_80BIT_CUSTOM_PATTERN_15_8 0x251
+#define DP_TEST_80BIT_CUSTOM_PATTERN_23_16 0x252
+#define DP_TEST_80BIT_CUSTOM_PATTERN_31_24 0x253
+#define DP_TEST_80BIT_CUSTOM_PATTERN_39_32 0x254
+#define DP_TEST_80BIT_CUSTOM_PATTERN_47_40 0x255
+#define DP_TEST_80BIT_CUSTOM_PATTERN_55_48 0x256
+#define DP_TEST_80BIT_CUSTOM_PATTERN_63_56 0x257
+#define DP_TEST_80BIT_CUSTOM_PATTERN_71_64 0x258
+#define DP_TEST_80BIT_CUSTOM_PATTERN_79_72 0x259
+
+#define DP_TEST_RESPONSE 0x260
+# define DP_TEST_ACK (1 << 0)
+# define DP_TEST_NAK (1 << 1)
+# define DP_TEST_EDID_CHECKSUM_WRITE (1 << 2)
+
+#define DP_TEST_EDID_CHECKSUM 0x261
+
+#define DP_TEST_SINK 0x270
+# define DP_TEST_SINK_START (1 << 0)
+#define DP_TEST_AUDIO_MODE 0x271
+#define DP_TEST_AUDIO_PATTERN_TYPE 0x272
+#define DP_TEST_AUDIO_PERIOD_CH1 0x273
+#define DP_TEST_AUDIO_PERIOD_CH2 0x274
+#define DP_TEST_AUDIO_PERIOD_CH3 0x275
+#define DP_TEST_AUDIO_PERIOD_CH4 0x276
+#define DP_TEST_AUDIO_PERIOD_CH5 0x277
+#define DP_TEST_AUDIO_PERIOD_CH6 0x278
+#define DP_TEST_AUDIO_PERIOD_CH7 0x279
+#define DP_TEST_AUDIO_PERIOD_CH8 0x27A
+
+#define DP_FEC_STATUS 0x280 /* 1.4 */
+# define DP_FEC_DECODE_EN_DETECTED (1 << 0)
+# define DP_FEC_DECODE_DIS_DETECTED (1 << 1)
+
+#define DP_FEC_ERROR_COUNT_LSB 0x0281 /* 1.4 */
+
+#define DP_FEC_ERROR_COUNT_MSB 0x0282 /* 1.4 */
+# define DP_FEC_ERROR_COUNT_MASK 0x7F
+# define DP_FEC_ERR_COUNT_VALID (1 << 7)
+
+#define DP_PAYLOAD_TABLE_UPDATE_STATUS 0x2c0 /* 1.2 MST */
+# define DP_PAYLOAD_TABLE_UPDATED (1 << 0)
+# define DP_PAYLOAD_ACT_HANDLED (1 << 1)
+
+#define DP_VC_PAYLOAD_ID_SLOT_1 0x2c1 /* 1.2 MST */
+/* up to ID_SLOT_63 at 0x2ff */
+
+/* Source Device-specific */
+#define DP_SOURCE_OUI 0x300
+
+/* Sink Device-specific */
+#define DP_SINK_OUI 0x400
+
+/* Branch Device-specific */
+#define DP_BRANCH_OUI 0x500
+#define DP_BRANCH_ID 0x503
+#define DP_BRANCH_REVISION_START 0x509
+#define DP_BRANCH_HW_REV 0x509
+#define DP_BRANCH_SW_REV 0x50A
+
+/* Link/Sink Device Power Control */
+#define DP_SET_POWER 0x600
+# define DP_SET_POWER_D0 0x1
+# define DP_SET_POWER_D3 0x2
+# define DP_SET_POWER_MASK 0x3
+# define DP_SET_POWER_D3_AUX_ON 0x5
+
+/* eDP-specific */
+#define DP_EDP_DPCD_REV 0x700 /* eDP 1.2 */
+# define DP_EDP_11 0x00
+# define DP_EDP_12 0x01
+# define DP_EDP_13 0x02
+# define DP_EDP_14 0x03
+# define DP_EDP_14a 0x04 /* eDP 1.4a */
+# define DP_EDP_14b 0x05 /* eDP 1.4b */
+
+#define DP_EDP_GENERAL_CAP_1 0x701
+# define DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP (1 << 0)
+# define DP_EDP_BACKLIGHT_PIN_ENABLE_CAP (1 << 1)
+# define DP_EDP_BACKLIGHT_AUX_ENABLE_CAP (1 << 2)
+# define DP_EDP_PANEL_SELF_TEST_PIN_ENABLE_CAP (1 << 3)
+# define DP_EDP_PANEL_SELF_TEST_AUX_ENABLE_CAP (1 << 4)
+# define DP_EDP_FRC_ENABLE_CAP (1 << 5)
+# define DP_EDP_COLOR_ENGINE_CAP (1 << 6)
+# define DP_EDP_SET_POWER_CAP (1 << 7)
+
+#define DP_EDP_BACKLIGHT_ADJUSTMENT_CAP 0x702
+# define DP_EDP_BACKLIGHT_BRIGHTNESS_PWM_PIN_CAP (1 << 0)
+# define DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP (1 << 1)
+# define DP_EDP_BACKLIGHT_BRIGHTNESS_BYTE_COUNT (1 << 2)
+# define DP_EDP_BACKLIGHT_AUX_PWM_PRODUCT_CAP (1 << 3)
+# define DP_EDP_BACKLIGHT_FREQ_PWM_PIN_PASSTHRU_CAP (1 << 4)
+# define DP_EDP_BACKLIGHT_FREQ_AUX_SET_CAP (1 << 5)
+# define DP_EDP_DYNAMIC_BACKLIGHT_CAP (1 << 6)
+# define DP_EDP_VBLANK_BACKLIGHT_UPDATE_CAP (1 << 7)
+
+#define DP_EDP_GENERAL_CAP_2 0x703
+# define DP_EDP_OVERDRIVE_ENGINE_ENABLED (1 << 0)
+
+#define DP_EDP_GENERAL_CAP_3 0x704 /* eDP 1.4 */
+# define DP_EDP_X_REGION_CAP_MASK (0xf << 0)
+# define DP_EDP_X_REGION_CAP_SHIFT 0
+# define DP_EDP_Y_REGION_CAP_MASK (0xf << 4)
+# define DP_EDP_Y_REGION_CAP_SHIFT 4
+
+#define DP_EDP_DISPLAY_CONTROL_REGISTER 0x720
+# define DP_EDP_BACKLIGHT_ENABLE (1 << 0)
+# define DP_EDP_BLACK_VIDEO_ENABLE (1 << 1)
+# define DP_EDP_FRC_ENABLE (1 << 2)
+# define DP_EDP_COLOR_ENGINE_ENABLE (1 << 3)
+# define DP_EDP_VBLANK_BACKLIGHT_UPDATE_ENABLE (1 << 7)
+
+#define DP_EDP_BACKLIGHT_MODE_SET_REGISTER 0x721
+# define DP_EDP_BACKLIGHT_CONTROL_MODE_MASK (3 << 0)
+# define DP_EDP_BACKLIGHT_CONTROL_MODE_PWM (0 << 0)
+# define DP_EDP_BACKLIGHT_CONTROL_MODE_PRESET (1 << 0)
+# define DP_EDP_BACKLIGHT_CONTROL_MODE_DPCD (2 << 0)
+# define DP_EDP_BACKLIGHT_CONTROL_MODE_PRODUCT (3 << 0)
+# define DP_EDP_BACKLIGHT_FREQ_PWM_PIN_PASSTHRU_ENABLE (1 << 2)
+# define DP_EDP_BACKLIGHT_FREQ_AUX_SET_ENABLE (1 << 3)
+# define DP_EDP_DYNAMIC_BACKLIGHT_ENABLE (1 << 4)
+# define DP_EDP_REGIONAL_BACKLIGHT_ENABLE (1 << 5)
+# define DP_EDP_UPDATE_REGION_BRIGHTNESS (1 << 6) /* eDP 1.4 */
+
+#define DP_EDP_BACKLIGHT_BRIGHTNESS_MSB 0x722
+#define DP_EDP_BACKLIGHT_BRIGHTNESS_LSB 0x723
+
+#define DP_EDP_PWMGEN_BIT_COUNT 0x724
+#define DP_EDP_PWMGEN_BIT_COUNT_CAP_MIN 0x725
+#define DP_EDP_PWMGEN_BIT_COUNT_CAP_MAX 0x726
+# define DP_EDP_PWMGEN_BIT_COUNT_MASK (0x1f << 0)
+
+#define DP_EDP_BACKLIGHT_CONTROL_STATUS 0x727
+
+#define DP_EDP_BACKLIGHT_FREQ_SET 0x728
+# define DP_EDP_BACKLIGHT_FREQ_BASE_KHZ 27000
+
+#define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MSB 0x72a
+#define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MID 0x72b
+#define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_LSB 0x72c
+
+#define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_MSB 0x72d
+#define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_MID 0x72e
+#define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB 0x72f
+
+#define DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET 0x732
+#define DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET 0x733
+
+#define DP_EDP_REGIONAL_BACKLIGHT_BASE 0x740 /* eDP 1.4 */
+#define DP_EDP_REGIONAL_BACKLIGHT_0 0x741 /* eDP 1.4 */
+
+#define DP_EDP_MSO_LINK_CAPABILITIES 0x7a4 /* eDP 1.4 */
+# define DP_EDP_MSO_NUMBER_OF_LINKS_MASK (7 << 0)
+# define DP_EDP_MSO_NUMBER_OF_LINKS_SHIFT 0
+# define DP_EDP_MSO_INDEPENDENT_LINK_BIT (1 << 3)
+
+/* Sideband MSG Buffers */
+#define DP_SIDEBAND_MSG_DOWN_REQ_BASE 0x1000 /* 1.2 MST */
+#define DP_SIDEBAND_MSG_UP_REP_BASE 0x1200 /* 1.2 MST */
+#define DP_SIDEBAND_MSG_DOWN_REP_BASE 0x1400 /* 1.2 MST */
+#define DP_SIDEBAND_MSG_UP_REQ_BASE 0x1600 /* 1.2 MST */
+
+/* DPRX Event Status Indicator */
+#define DP_SINK_COUNT_ESI 0x2002 /* same as 0x200 */
+#define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0 0x2003 /* same as 0x201 */
+
+#define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI1 0x2004 /* 1.2 */
+# define DP_RX_GTC_MSTR_REQ_STATUS_CHANGE (1 << 0)
+# define DP_LOCK_ACQUISITION_REQUEST (1 << 1)
+# define DP_CEC_IRQ (1 << 2)
+
+#define DP_LINK_SERVICE_IRQ_VECTOR_ESI0 0x2005 /* 1.2 */
+# define RX_CAP_CHANGED (1 << 0)
+# define LINK_STATUS_CHANGED (1 << 1)
+# define STREAM_STATUS_CHANGED (1 << 2)
+# define HDMI_LINK_STATUS_CHANGED (1 << 3)
+# define CONNECTED_OFF_ENTRY_REQUESTED (1 << 4)
+
+#define DP_PSR_ERROR_STATUS 0x2006 /* XXX 1.2? */
+# define DP_PSR_LINK_CRC_ERROR (1 << 0)
+# define DP_PSR_RFB_STORAGE_ERROR (1 << 1)
+# define DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR (1 << 2) /* eDP 1.4 */
+
+#define DP_PSR_ESI 0x2007 /* XXX 1.2? */
+# define DP_PSR_CAPS_CHANGE (1 << 0)
+
+#define DP_PSR_STATUS 0x2008 /* XXX 1.2? */
+# define DP_PSR_SINK_INACTIVE 0
+# define DP_PSR_SINK_ACTIVE_SRC_SYNCED 1
+# define DP_PSR_SINK_ACTIVE_RFB 2
+# define DP_PSR_SINK_ACTIVE_SINK_SYNCED 3
+# define DP_PSR_SINK_ACTIVE_RESYNC 4
+# define DP_PSR_SINK_INTERNAL_ERROR 7
+# define DP_PSR_SINK_STATE_MASK 0x07
+
+#define DP_SYNCHRONIZATION_LATENCY_IN_SINK 0x2009 /* edp 1.4 */
+# define DP_MAX_RESYNC_FRAME_COUNT_MASK (0xf << 0)
+# define DP_MAX_RESYNC_FRAME_COUNT_SHIFT 0
+# define DP_LAST_ACTUAL_SYNCHRONIZATION_LATENCY_MASK (0xf << 4)
+# define DP_LAST_ACTUAL_SYNCHRONIZATION_LATENCY_SHIFT 4
+
+#define DP_LAST_RECEIVED_PSR_SDP 0x200a /* eDP 1.2 */
+# define DP_PSR_STATE_BIT (1 << 0) /* eDP 1.2 */
+# define DP_UPDATE_RFB_BIT (1 << 1) /* eDP 1.2 */
+# define DP_CRC_VALID_BIT (1 << 2) /* eDP 1.2 */
+# define DP_SU_VALID (1 << 3) /* eDP 1.4 */
+# define DP_FIRST_SCAN_LINE_SU_REGION (1 << 4) /* eDP 1.4 */
+# define DP_LAST_SCAN_LINE_SU_REGION (1 << 5) /* eDP 1.4 */
+# define DP_Y_COORDINATE_VALID (1 << 6) /* eDP 1.4a */
+
+#define DP_RECEIVER_ALPM_STATUS 0x200b /* eDP 1.4 */
+# define DP_ALPM_LOCK_TIMEOUT_ERROR (1 << 0)
+
+#define DP_LANE0_1_STATUS_ESI 0x200c /* status same as 0x202 */
+#define DP_LANE2_3_STATUS_ESI 0x200d /* status same as 0x203 */
+#define DP_LANE_ALIGN_STATUS_UPDATED_ESI 0x200e /* status same as 0x204 */
+#define DP_SINK_STATUS_ESI 0x200f /* status same as 0x205 */
+
+/* Extended Receiver Capability: See DP_DPCD_REV for definitions */
+#define DP_DP13_DPCD_REV 0x2200
+
+#define DP_DPRX_FEATURE_ENUMERATION_LIST 0x2210 /* DP 1.3 */
+# define DP_GTC_CAP (1 << 0) /* DP 1.3 */
+# define DP_SST_SPLIT_SDP_CAP (1 << 1) /* DP 1.4 */
+# define DP_AV_SYNC_CAP (1 << 2) /* DP 1.3 */
+# define DP_VSC_SDP_EXT_FOR_COLORIMETRY_SUPPORTED (1 << 3) /* DP 1.3 */
+# define DP_VSC_EXT_VESA_SDP_SUPPORTED (1 << 4) /* DP 1.4 */
+# define DP_VSC_EXT_VESA_SDP_CHAINING_SUPPORTED (1 << 5) /* DP 1.4 */
+# define DP_VSC_EXT_CEA_SDP_SUPPORTED (1 << 6) /* DP 1.4 */
+# define DP_VSC_EXT_CEA_SDP_CHAINING_SUPPORTED (1 << 7) /* DP 1.4 */
+
+#define DP_128B132B_SUPPORTED_LINK_RATES 0x2215 /* 2.0 */
+# define DP_UHBR10 (1 << 0)
+# define DP_UHBR20 (1 << 1)
+# define DP_UHBR13_5 (1 << 2)
+
+#define DP_128B132B_TRAINING_AUX_RD_INTERVAL 0x2216 /* 2.0 */
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_MASK 0x7f
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_400_US 0x00
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_4_MS 0x01
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_8_MS 0x02
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_12_MS 0x03
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_16_MS 0x04
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_32_MS 0x05
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_64_MS 0x06
+
+#define DP_TEST_264BIT_CUSTOM_PATTERN_7_0 0x2230
+#define DP_TEST_264BIT_CUSTOM_PATTERN_263_256 0x2250
+
+/* DSC Extended Capability Branch Total DSC Resources */
+#define DP_DSC_SUPPORT_AND_DSC_DECODER_COUNT 0x2260 /* 2.0 */
+# define DP_DSC_DECODER_COUNT_MASK (0b111 << 5)
+# define DP_DSC_DECODER_COUNT_SHIFT 5
+#define DP_DSC_MAX_SLICE_COUNT_AND_AGGREGATION_0 0x2270 /* 2.0 */
+# define DP_DSC_DECODER_0_MAXIMUM_SLICE_COUNT_MASK (1 << 0)
+# define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_MASK (0b111 << 1)
+# define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_SHIFT 1
+
+/* Protocol Converter Extension */
+/* HDMI CEC tunneling over AUX DP 1.3 section 5.3.3.3.1 DPCD 1.4+ */
+#define DP_CEC_TUNNELING_CAPABILITY 0x3000
+# define DP_CEC_TUNNELING_CAPABLE (1 << 0)
+# define DP_CEC_SNOOPING_CAPABLE (1 << 1)
+# define DP_CEC_MULTIPLE_LA_CAPABLE (1 << 2)
+
+#define DP_CEC_TUNNELING_CONTROL 0x3001
+# define DP_CEC_TUNNELING_ENABLE (1 << 0)
+# define DP_CEC_SNOOPING_ENABLE (1 << 1)
+
+#define DP_CEC_RX_MESSAGE_INFO 0x3002
+# define DP_CEC_RX_MESSAGE_LEN_MASK (0xf << 0)
+# define DP_CEC_RX_MESSAGE_LEN_SHIFT 0
+# define DP_CEC_RX_MESSAGE_HPD_STATE (1 << 4)
+# define DP_CEC_RX_MESSAGE_HPD_LOST (1 << 5)
+# define DP_CEC_RX_MESSAGE_ACKED (1 << 6)
+# define DP_CEC_RX_MESSAGE_ENDED (1 << 7)
+
+#define DP_CEC_TX_MESSAGE_INFO 0x3003
+# define DP_CEC_TX_MESSAGE_LEN_MASK (0xf << 0)
+# define DP_CEC_TX_MESSAGE_LEN_SHIFT 0
+# define DP_CEC_TX_RETRY_COUNT_MASK (0x7 << 4)
+# define DP_CEC_TX_RETRY_COUNT_SHIFT 4
+# define DP_CEC_TX_MESSAGE_SEND (1 << 7)
+
+#define DP_CEC_TUNNELING_IRQ_FLAGS 0x3004
+# define DP_CEC_RX_MESSAGE_INFO_VALID (1 << 0)
+# define DP_CEC_RX_MESSAGE_OVERFLOW (1 << 1)
+# define DP_CEC_TX_MESSAGE_SENT (1 << 4)
+# define DP_CEC_TX_LINE_ERROR (1 << 5)
+# define DP_CEC_TX_ADDRESS_NACK_ERROR (1 << 6)
+# define DP_CEC_TX_DATA_NACK_ERROR (1 << 7)
+
+#define DP_CEC_LOGICAL_ADDRESS_MASK 0x300E /* 0x300F word */
+# define DP_CEC_LOGICAL_ADDRESS_0 (1 << 0)
+# define DP_CEC_LOGICAL_ADDRESS_1 (1 << 1)
+# define DP_CEC_LOGICAL_ADDRESS_2 (1 << 2)
+# define DP_CEC_LOGICAL_ADDRESS_3 (1 << 3)
+# define DP_CEC_LOGICAL_ADDRESS_4 (1 << 4)
+# define DP_CEC_LOGICAL_ADDRESS_5 (1 << 5)
+# define DP_CEC_LOGICAL_ADDRESS_6 (1 << 6)
+# define DP_CEC_LOGICAL_ADDRESS_7 (1 << 7)
+#define DP_CEC_LOGICAL_ADDRESS_MASK_2 0x300F /* 0x300E word */
+# define DP_CEC_LOGICAL_ADDRESS_8 (1 << 0)
+# define DP_CEC_LOGICAL_ADDRESS_9 (1 << 1)
+# define DP_CEC_LOGICAL_ADDRESS_10 (1 << 2)
+# define DP_CEC_LOGICAL_ADDRESS_11 (1 << 3)
+# define DP_CEC_LOGICAL_ADDRESS_12 (1 << 4)
+# define DP_CEC_LOGICAL_ADDRESS_13 (1 << 5)
+# define DP_CEC_LOGICAL_ADDRESS_14 (1 << 6)
+# define DP_CEC_LOGICAL_ADDRESS_15 (1 << 7)
+
+#define DP_CEC_RX_MESSAGE_BUFFER 0x3010
+#define DP_CEC_TX_MESSAGE_BUFFER 0x3020
+#define DP_CEC_MESSAGE_BUFFER_LENGTH 0x10
+
+/* PCON CONFIGURE-1 FRL FOR HDMI SINK */
+#define DP_PCON_HDMI_LINK_CONFIG_1 0x305A
+# define DP_PCON_ENABLE_MAX_FRL_BW (7 << 0)
+# define DP_PCON_ENABLE_MAX_BW_0GBPS 0
+# define DP_PCON_ENABLE_MAX_BW_9GBPS 1
+# define DP_PCON_ENABLE_MAX_BW_18GBPS 2
+# define DP_PCON_ENABLE_MAX_BW_24GBPS 3
+# define DP_PCON_ENABLE_MAX_BW_32GBPS 4
+# define DP_PCON_ENABLE_MAX_BW_40GBPS 5
+# define DP_PCON_ENABLE_MAX_BW_48GBPS 6
+# define DP_PCON_ENABLE_SOURCE_CTL_MODE (1 << 3)
+# define DP_PCON_ENABLE_CONCURRENT_LINK (1 << 4)
+# define DP_PCON_ENABLE_SEQUENTIAL_LINK (0 << 4)
+# define DP_PCON_ENABLE_LINK_FRL_MODE (1 << 5)
+# define DP_PCON_ENABLE_HPD_READY (1 << 6)
+# define DP_PCON_ENABLE_HDMI_LINK (1 << 7)
+
+/* PCON CONFIGURE-2 FRL FOR HDMI SINK */
+#define DP_PCON_HDMI_LINK_CONFIG_2 0x305B
+# define DP_PCON_MAX_LINK_BW_MASK (0x3F << 0)
+# define DP_PCON_FRL_BW_MASK_9GBPS (1 << 0)
+# define DP_PCON_FRL_BW_MASK_18GBPS (1 << 1)
+# define DP_PCON_FRL_BW_MASK_24GBPS (1 << 2)
+# define DP_PCON_FRL_BW_MASK_32GBPS (1 << 3)
+# define DP_PCON_FRL_BW_MASK_40GBPS (1 << 4)
+# define DP_PCON_FRL_BW_MASK_48GBPS (1 << 5)
+# define DP_PCON_FRL_LINK_TRAIN_EXTENDED (1 << 6)
+# define DP_PCON_FRL_LINK_TRAIN_NORMAL (0 << 6)
+
+/* PCON HDMI LINK STATUS */
+#define DP_PCON_HDMI_TX_LINK_STATUS 0x303B
+# define DP_PCON_HDMI_TX_LINK_ACTIVE (1 << 0)
+# define DP_PCON_FRL_READY (1 << 1)
+
+/* PCON HDMI POST FRL STATUS */
+#define DP_PCON_HDMI_POST_FRL_STATUS 0x3036
+# define DP_PCON_HDMI_LINK_MODE (1 << 0)
+# define DP_PCON_HDMI_MODE_TMDS 0
+# define DP_PCON_HDMI_MODE_FRL 1
+# define DP_PCON_HDMI_FRL_TRAINED_BW (0x3F << 1)
+# define DP_PCON_FRL_TRAINED_BW_9GBPS (1 << 1)
+# define DP_PCON_FRL_TRAINED_BW_18GBPS (1 << 2)
+# define DP_PCON_FRL_TRAINED_BW_24GBPS (1 << 3)
+# define DP_PCON_FRL_TRAINED_BW_32GBPS (1 << 4)
+# define DP_PCON_FRL_TRAINED_BW_40GBPS (1 << 5)
+# define DP_PCON_FRL_TRAINED_BW_48GBPS (1 << 6)
+
+#define DP_PROTOCOL_CONVERTER_CONTROL_0 0x3050 /* DP 1.3 */
+# define DP_HDMI_DVI_OUTPUT_CONFIG (1 << 0) /* DP 1.3 */
+#define DP_PROTOCOL_CONVERTER_CONTROL_1 0x3051 /* DP 1.3 */
+# define DP_CONVERSION_TO_YCBCR420_ENABLE (1 << 0) /* DP 1.3 */
+# define DP_HDMI_EDID_PROCESSING_DISABLE (1 << 1) /* DP 1.4 */
+# define DP_HDMI_AUTONOMOUS_SCRAMBLING_DISABLE (1 << 2) /* DP 1.4 */
+# define DP_HDMI_FORCE_SCRAMBLING (1 << 3) /* DP 1.4 */
+#define DP_PROTOCOL_CONVERTER_CONTROL_2 0x3052 /* DP 1.3 */
+# define DP_CONVERSION_TO_YCBCR422_ENABLE (1 << 0) /* DP 1.3 */
+# define DP_PCON_ENABLE_DSC_ENCODER (1 << 1)
+# define DP_PCON_ENCODER_PPS_OVERRIDE_MASK (0x3 << 2)
+# define DP_PCON_ENC_PPS_OVERRIDE_DISABLED 0
+# define DP_PCON_ENC_PPS_OVERRIDE_EN_PARAMS 1
+# define DP_PCON_ENC_PPS_OVERRIDE_EN_BUFFER 2
+# define DP_CONVERSION_RGB_YCBCR_MASK (7 << 4)
+# define DP_CONVERSION_BT601_RGB_YCBCR_ENABLE (1 << 4)
+# define DP_CONVERSION_BT709_RGB_YCBCR_ENABLE (1 << 5)
+# define DP_CONVERSION_BT2020_RGB_YCBCR_ENABLE (1 << 6)
+
+/* PCON Downstream HDMI ERROR Status per Lane */
+#define DP_PCON_HDMI_ERROR_STATUS_LN0 0x3037
+#define DP_PCON_HDMI_ERROR_STATUS_LN1 0x3038
+#define DP_PCON_HDMI_ERROR_STATUS_LN2 0x3039
+#define DP_PCON_HDMI_ERROR_STATUS_LN3 0x303A
+# define DP_PCON_HDMI_ERROR_COUNT_MASK (0x7 << 0)
+# define DP_PCON_HDMI_ERROR_COUNT_THREE_PLUS (1 << 0)
+# define DP_PCON_HDMI_ERROR_COUNT_TEN_PLUS (1 << 1)
+# define DP_PCON_HDMI_ERROR_COUNT_HUNDRED_PLUS (1 << 2)
+
+/* PCON HDMI CONFIG PPS Override Buffer
+ * Valid Offsets to be added to Base : 0-127
+ */
+#define DP_PCON_HDMI_PPS_OVERRIDE_BASE 0x3100
+
+/* PCON HDMI CONFIG PPS Override Parameter: Slice height
+ * Offset-0 8LSBs of the Slice height.
+ * Offset-1 8MSBs of the Slice height.
+ */
+#define DP_PCON_HDMI_PPS_OVRD_SLICE_HEIGHT 0x3180
+
+/* PCON HDMI CONFIG PPS Override Parameter: Slice width
+ * Offset-0 8LSBs of the Slice width.
+ * Offset-1 8MSBs of the Slice width.
+ */
+#define DP_PCON_HDMI_PPS_OVRD_SLICE_WIDTH 0x3182
+
+/* PCON HDMI CONFIG PPS Override Parameter: bits_per_pixel
+ * Offset-0 8LSBs of the bits_per_pixel.
+ * Offset-1 2MSBs of the bits_per_pixel.
+ */
+#define DP_PCON_HDMI_PPS_OVRD_BPP 0x3184
+
+/* HDCP 1.3 and HDCP 2.2 */
+#define DP_AUX_HDCP_BKSV 0x68000
+#define DP_AUX_HDCP_RI_PRIME 0x68005
+#define DP_AUX_HDCP_AKSV 0x68007
+#define DP_AUX_HDCP_AN 0x6800C
+#define DP_AUX_HDCP_V_PRIME(h) (0x68014 + h * 4)
+#define DP_AUX_HDCP_BCAPS 0x68028
+# define DP_BCAPS_REPEATER_PRESENT BIT(1)
+# define DP_BCAPS_HDCP_CAPABLE BIT(0)
+#define DP_AUX_HDCP_BSTATUS 0x68029
+# define DP_BSTATUS_REAUTH_REQ BIT(3)
+# define DP_BSTATUS_LINK_FAILURE BIT(2)
+# define DP_BSTATUS_R0_PRIME_READY BIT(1)
+# define DP_BSTATUS_READY BIT(0)
+#define DP_AUX_HDCP_BINFO 0x6802A
+#define DP_AUX_HDCP_KSV_FIFO 0x6802C
+#define DP_AUX_HDCP_AINFO 0x6803B
+
+/* DP HDCP2.2 parameter offsets in DPCD address space */
+#define DP_HDCP_2_2_REG_RTX_OFFSET 0x69000
+#define DP_HDCP_2_2_REG_TXCAPS_OFFSET 0x69008
+#define DP_HDCP_2_2_REG_CERT_RX_OFFSET 0x6900B
+#define DP_HDCP_2_2_REG_RRX_OFFSET 0x69215
+#define DP_HDCP_2_2_REG_RX_CAPS_OFFSET 0x6921D
+#define DP_HDCP_2_2_REG_EKPUB_KM_OFFSET 0x69220
+#define DP_HDCP_2_2_REG_EKH_KM_WR_OFFSET 0x692A0
+#define DP_HDCP_2_2_REG_M_OFFSET 0x692B0
+#define DP_HDCP_2_2_REG_HPRIME_OFFSET 0x692C0
+#define DP_HDCP_2_2_REG_EKH_KM_RD_OFFSET 0x692E0
+#define DP_HDCP_2_2_REG_RN_OFFSET 0x692F0
+#define DP_HDCP_2_2_REG_LPRIME_OFFSET 0x692F8
+#define DP_HDCP_2_2_REG_EDKEY_KS_OFFSET 0x69318
+#define DP_HDCP_2_2_REG_RIV_OFFSET 0x69328
+#define DP_HDCP_2_2_REG_RXINFO_OFFSET 0x69330
+#define DP_HDCP_2_2_REG_SEQ_NUM_V_OFFSET 0x69332
+#define DP_HDCP_2_2_REG_VPRIME_OFFSET 0x69335
+#define DP_HDCP_2_2_REG_RECV_ID_LIST_OFFSET 0x69345
+#define DP_HDCP_2_2_REG_V_OFFSET 0x693E0
+#define DP_HDCP_2_2_REG_SEQ_NUM_M_OFFSET 0x693F0
+#define DP_HDCP_2_2_REG_K_OFFSET 0x693F3
+#define DP_HDCP_2_2_REG_STREAM_ID_TYPE_OFFSET 0x693F5
+#define DP_HDCP_2_2_REG_MPRIME_OFFSET 0x69473
+#define DP_HDCP_2_2_REG_RXSTATUS_OFFSET 0x69493
+#define DP_HDCP_2_2_REG_STREAM_TYPE_OFFSET 0x69494
+#define DP_HDCP_2_2_REG_DBG_OFFSET 0x69518
+
+/* LTTPR: Link Training (LT)-tunable PHY Repeaters */
+#define DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV 0xf0000 /* 1.3 */
+#define DP_MAX_LINK_RATE_PHY_REPEATER 0xf0001 /* 1.4a */
+#define DP_PHY_REPEATER_CNT 0xf0002 /* 1.3 */
+#define DP_PHY_REPEATER_MODE 0xf0003 /* 1.3 */
+#define DP_MAX_LANE_COUNT_PHY_REPEATER 0xf0004 /* 1.4a */
+#define DP_Repeater_FEC_CAPABILITY 0xf0004 /* 1.4 */
+#define DP_PHY_REPEATER_EXTENDED_WAIT_TIMEOUT 0xf0005 /* 1.4a */
+#define DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER 0xf0006 /* 2.0 */
+# define DP_PHY_REPEATER_128B132B_SUPPORTED (1 << 0)
+/* See DP_128B132B_SUPPORTED_LINK_RATES for values */
+#define DP_PHY_REPEATER_128B132B_RATES 0xf0007 /* 2.0 */
+
+enum drm_dp_phy {
+ DP_PHY_DPRX,
+
+ DP_PHY_LTTPR1,
+ DP_PHY_LTTPR2,
+ DP_PHY_LTTPR3,
+ DP_PHY_LTTPR4,
+ DP_PHY_LTTPR5,
+ DP_PHY_LTTPR6,
+ DP_PHY_LTTPR7,
+ DP_PHY_LTTPR8,
+
+ DP_MAX_LTTPR_COUNT = DP_PHY_LTTPR8,
+};
+
+#define DP_PHY_LTTPR(i) (DP_PHY_LTTPR1 + (i))
+
+#define __DP_LTTPR1_BASE 0xf0010 /* 1.3 */
+#define __DP_LTTPR2_BASE 0xf0060 /* 1.3 */
+#define DP_LTTPR_BASE(dp_phy) \
+ (__DP_LTTPR1_BASE + (__DP_LTTPR2_BASE - __DP_LTTPR1_BASE) * \
+ ((dp_phy) - DP_PHY_LTTPR1))
+
+#define DP_LTTPR_REG(dp_phy, lttpr1_reg) \
+ (DP_LTTPR_BASE(dp_phy) - DP_LTTPR_BASE(DP_PHY_LTTPR1) + (lttpr1_reg))
+
+#define DP_TRAINING_PATTERN_SET_PHY_REPEATER1 0xf0010 /* 1.3 */
+#define DP_TRAINING_PATTERN_SET_PHY_REPEATER(dp_phy) \
+ DP_LTTPR_REG(dp_phy, DP_TRAINING_PATTERN_SET_PHY_REPEATER1)
+
+#define DP_TRAINING_LANE0_SET_PHY_REPEATER1 0xf0011 /* 1.3 */
+#define DP_TRAINING_LANE0_SET_PHY_REPEATER(dp_phy) \
+ DP_LTTPR_REG(dp_phy, DP_TRAINING_LANE0_SET_PHY_REPEATER1)
+
+#define DP_TRAINING_LANE1_SET_PHY_REPEATER1 0xf0012 /* 1.3 */
+#define DP_TRAINING_LANE2_SET_PHY_REPEATER1 0xf0013 /* 1.3 */
+#define DP_TRAINING_LANE3_SET_PHY_REPEATER1 0xf0014 /* 1.3 */
+#define DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1 0xf0020 /* 1.4a */
+#define DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER(dp_phy) \
+ DP_LTTPR_REG(dp_phy, DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1)
+
+#define DP_TRANSMITTER_CAPABILITY_PHY_REPEATER1 0xf0021 /* 1.4a */
+# define DP_VOLTAGE_SWING_LEVEL_3_SUPPORTED BIT(0)
+# define DP_PRE_EMPHASIS_LEVEL_3_SUPPORTED BIT(1)
+
+#define DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1 0xf0022 /* 2.0 */
+#define DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER(dp_phy) \
+ DP_LTTPR_REG(dp_phy, DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1)
+/* see DP_128B132B_TRAINING_AUX_RD_INTERVAL for values */
+
+#define DP_LANE0_1_STATUS_PHY_REPEATER1 0xf0030 /* 1.3 */
+#define DP_LANE0_1_STATUS_PHY_REPEATER(dp_phy) \
+ DP_LTTPR_REG(dp_phy, DP_LANE0_1_STATUS_PHY_REPEATER1)
+
+#define DP_LANE2_3_STATUS_PHY_REPEATER1 0xf0031 /* 1.3 */
+
+#define DP_LANE_ALIGN_STATUS_UPDATED_PHY_REPEATER1 0xf0032 /* 1.3 */
+#define DP_ADJUST_REQUEST_LANE0_1_PHY_REPEATER1 0xf0033 /* 1.3 */
+#define DP_ADJUST_REQUEST_LANE2_3_PHY_REPEATER1 0xf0034 /* 1.3 */
+#define DP_SYMBOL_ERROR_COUNT_LANE0_PHY_REPEATER1 0xf0035 /* 1.3 */
+#define DP_SYMBOL_ERROR_COUNT_LANE1_PHY_REPEATER1 0xf0037 /* 1.3 */
+#define DP_SYMBOL_ERROR_COUNT_LANE2_PHY_REPEATER1 0xf0039 /* 1.3 */
+#define DP_SYMBOL_ERROR_COUNT_LANE3_PHY_REPEATER1 0xf003b /* 1.3 */
+
+#define __DP_FEC1_BASE 0xf0290 /* 1.4 */
+#define __DP_FEC2_BASE 0xf0298 /* 1.4 */
+#define DP_FEC_BASE(dp_phy) \
+ (__DP_FEC1_BASE + ((__DP_FEC2_BASE - __DP_FEC1_BASE) * \
+ ((dp_phy) - DP_PHY_LTTPR1)))
+
+#define DP_FEC_REG(dp_phy, fec1_reg) \
+ (DP_FEC_BASE(dp_phy) - DP_FEC_BASE(DP_PHY_LTTPR1) + fec1_reg)
+
+#define DP_FEC_STATUS_PHY_REPEATER1 0xf0290 /* 1.4 */
+#define DP_FEC_STATUS_PHY_REPEATER(dp_phy) \
+ DP_FEC_REG(dp_phy, DP_FEC_STATUS_PHY_REPEATER1)
+
+#define DP_FEC_ERROR_COUNT_PHY_REPEATER1 0xf0291 /* 1.4 */
+#define DP_FEC_CAPABILITY_PHY_REPEATER1 0xf0294 /* 1.4a */
+
+#define DP_LTTPR_MAX_ADD 0xf02ff /* 1.4 */
+
+#define DP_DPCD_MAX_ADD 0xfffff /* 1.4 */
+
+/* Repeater modes */
+#define DP_PHY_REPEATER_MODE_TRANSPARENT 0x55 /* 1.3 */
+#define DP_PHY_REPEATER_MODE_NON_TRANSPARENT 0xaa /* 1.3 */
+
+/* DP HDCP message start offsets in DPCD address space */
+#define DP_HDCP_2_2_AKE_INIT_OFFSET DP_HDCP_2_2_REG_RTX_OFFSET
+#define DP_HDCP_2_2_AKE_SEND_CERT_OFFSET DP_HDCP_2_2_REG_CERT_RX_OFFSET
+#define DP_HDCP_2_2_AKE_NO_STORED_KM_OFFSET DP_HDCP_2_2_REG_EKPUB_KM_OFFSET
+#define DP_HDCP_2_2_AKE_STORED_KM_OFFSET DP_HDCP_2_2_REG_EKH_KM_WR_OFFSET
+#define DP_HDCP_2_2_AKE_SEND_HPRIME_OFFSET DP_HDCP_2_2_REG_HPRIME_OFFSET
+#define DP_HDCP_2_2_AKE_SEND_PAIRING_INFO_OFFSET \
+ DP_HDCP_2_2_REG_EKH_KM_RD_OFFSET
+#define DP_HDCP_2_2_LC_INIT_OFFSET DP_HDCP_2_2_REG_RN_OFFSET
+#define DP_HDCP_2_2_LC_SEND_LPRIME_OFFSET DP_HDCP_2_2_REG_LPRIME_OFFSET
+#define DP_HDCP_2_2_SKE_SEND_EKS_OFFSET DP_HDCP_2_2_REG_EDKEY_KS_OFFSET
+#define DP_HDCP_2_2_REP_SEND_RECVID_LIST_OFFSET DP_HDCP_2_2_REG_RXINFO_OFFSET
+#define DP_HDCP_2_2_REP_SEND_ACK_OFFSET DP_HDCP_2_2_REG_V_OFFSET
+#define DP_HDCP_2_2_REP_STREAM_MANAGE_OFFSET DP_HDCP_2_2_REG_SEQ_NUM_M_OFFSET
+#define DP_HDCP_2_2_REP_STREAM_READY_OFFSET DP_HDCP_2_2_REG_MPRIME_OFFSET
+
+#define HDCP_2_2_DP_RXSTATUS_LEN 1
+#define HDCP_2_2_DP_RXSTATUS_READY(x) ((x) & BIT(0))
+#define HDCP_2_2_DP_RXSTATUS_H_PRIME(x) ((x) & BIT(1))
+#define HDCP_2_2_DP_RXSTATUS_PAIRING(x) ((x) & BIT(2))
+#define HDCP_2_2_DP_RXSTATUS_REAUTH_REQ(x) ((x) & BIT(3))
+#define HDCP_2_2_DP_RXSTATUS_LINK_FAILED(x) ((x) & BIT(4))
+
+/* DP 1.2 Sideband message defines */
+/* peer device type - DP 1.2a Table 2-92 */
+#define DP_PEER_DEVICE_NONE 0x0
+#define DP_PEER_DEVICE_SOURCE_OR_SST 0x1
+#define DP_PEER_DEVICE_MST_BRANCHING 0x2
+#define DP_PEER_DEVICE_SST_SINK 0x3
+#define DP_PEER_DEVICE_DP_LEGACY_CONV 0x4
+
+/* DP 1.2 MST sideband request names DP 1.2a Table 2-80 */
+#define DP_GET_MSG_TRANSACTION_VERSION 0x00 /* DP 1.3 */
+#define DP_LINK_ADDRESS 0x01
+#define DP_CONNECTION_STATUS_NOTIFY 0x02
+#define DP_ENUM_PATH_RESOURCES 0x10
+#define DP_ALLOCATE_PAYLOAD 0x11
+#define DP_QUERY_PAYLOAD 0x12
+#define DP_RESOURCE_STATUS_NOTIFY 0x13
+#define DP_CLEAR_PAYLOAD_ID_TABLE 0x14
+#define DP_REMOTE_DPCD_READ 0x20
+#define DP_REMOTE_DPCD_WRITE 0x21
+#define DP_REMOTE_I2C_READ 0x22
+#define DP_REMOTE_I2C_WRITE 0x23
+#define DP_POWER_UP_PHY 0x24
+#define DP_POWER_DOWN_PHY 0x25
+#define DP_SINK_EVENT_NOTIFY 0x30
+#define DP_QUERY_STREAM_ENC_STATUS 0x38
+#define DP_QUERY_STREAM_ENC_STATUS_STATE_NO_EXIST 0
+#define DP_QUERY_STREAM_ENC_STATUS_STATE_INACTIVE 1
+#define DP_QUERY_STREAM_ENC_STATUS_STATE_ACTIVE 2
+
+/* DP 1.2 MST sideband reply types */
+#define DP_SIDEBAND_REPLY_ACK 0x00
+#define DP_SIDEBAND_REPLY_NAK 0x01
+
+/* DP 1.2 MST sideband nak reasons - table 2.84 */
+#define DP_NAK_WRITE_FAILURE 0x01
+#define DP_NAK_INVALID_READ 0x02
+#define DP_NAK_CRC_FAILURE 0x03
+#define DP_NAK_BAD_PARAM 0x04
+#define DP_NAK_DEFER 0x05
+#define DP_NAK_LINK_FAILURE 0x06
+#define DP_NAK_NO_RESOURCES 0x07
+#define DP_NAK_DPCD_FAIL 0x08
+#define DP_NAK_I2C_NAK 0x09
+#define DP_NAK_ALLOCATE_FAIL 0x0a
+
+#define MODE_I2C_START 1
+#define MODE_I2C_WRITE 2
+#define MODE_I2C_READ 4
+#define MODE_I2C_STOP 8
+
+/* DP 1.2 MST PORTs - Section 2.5.1 v1.2a spec */
+#define DP_MST_PHYSICAL_PORT_0 0
+#define DP_MST_LOGICAL_PORT_0 8
+
+#define DP_LINK_CONSTANT_N_VALUE 0x8000
+#define DP_LINK_STATUS_SIZE 6
+bool drm_dp_channel_eq_ok(const u8 link_status[DP_LINK_STATUS_SIZE],
+ int lane_count);
+bool drm_dp_clock_recovery_ok(const u8 link_status[DP_LINK_STATUS_SIZE],
+ int lane_count);
+u8 drm_dp_get_adjust_request_voltage(const u8 link_status[DP_LINK_STATUS_SIZE],
+ int lane);
+u8 drm_dp_get_adjust_request_pre_emphasis(const u8 link_status[DP_LINK_STATUS_SIZE],
+ int lane);
+u8 drm_dp_get_adjust_tx_ffe_preset(const u8 link_status[DP_LINK_STATUS_SIZE],
+ int lane);
+u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZE],
+ unsigned int lane);
+
+#define DP_BRANCH_OUI_HEADER_SIZE 0xc
+#define DP_RECEIVER_CAP_SIZE 0xf
+#define DP_DSC_RECEIVER_CAP_SIZE 0xf
+#define EDP_PSR_RECEIVER_CAP_SIZE 2
+#define EDP_DISPLAY_CTL_CAP_SIZE 3
+#define DP_LTTPR_COMMON_CAP_SIZE 8
+#define DP_LTTPR_PHY_CAP_SIZE 3
+
+int drm_dp_read_clock_recovery_delay(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ enum drm_dp_phy dp_phy, bool uhbr);
+int drm_dp_read_channel_eq_delay(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ enum drm_dp_phy dp_phy, bool uhbr);
+
+void drm_dp_link_train_clock_recovery_delay(const struct drm_dp_aux *aux,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
+void drm_dp_lttpr_link_train_clock_recovery_delay(void);
+void drm_dp_link_train_channel_eq_delay(const struct drm_dp_aux *aux,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
+void drm_dp_lttpr_link_train_channel_eq_delay(const struct drm_dp_aux *aux,
+ const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
+
+u8 drm_dp_link_rate_to_bw_code(int link_rate);
+int drm_dp_bw_code_to_link_rate(u8 link_bw);
+
+#define DP_SDP_AUDIO_TIMESTAMP 0x01
+#define DP_SDP_AUDIO_STREAM 0x02
+#define DP_SDP_EXTENSION 0x04 /* DP 1.1 */
+#define DP_SDP_AUDIO_COPYMANAGEMENT 0x05 /* DP 1.2 */
+#define DP_SDP_ISRC 0x06 /* DP 1.2 */
+#define DP_SDP_VSC 0x07 /* DP 1.2 */
+#define DP_SDP_CAMERA_GENERIC(i) (0x08 + (i)) /* 0-7, DP 1.3 */
+#define DP_SDP_PPS 0x10 /* DP 1.4 */
+#define DP_SDP_VSC_EXT_VESA 0x20 /* DP 1.4 */
+#define DP_SDP_VSC_EXT_CEA 0x21 /* DP 1.4 */
+/* 0x80+ CEA-861 infoframe types */
+
+/**
+ * struct dp_sdp_header - DP secondary data packet header
+ * @HB0: Secondary Data Packet ID
+ * @HB1: Secondary Data Packet Type
+ * @HB2: Secondary Data Packet Specific header, Byte 0
+ * @HB3: Secondary Data packet Specific header, Byte 1
+ */
+struct dp_sdp_header {
+ u8 HB0;
+ u8 HB1;
+ u8 HB2;
+ u8 HB3;
+} __packed;
+
+#define EDP_SDP_HEADER_REVISION_MASK 0x1F
+#define EDP_SDP_HEADER_VALID_PAYLOAD_BYTES 0x1F
+#define DP_SDP_PPS_HEADER_PAYLOAD_BYTES_MINUS_1 0x7F
+
+/**
+ * struct dp_sdp - DP secondary data packet
+ * @sdp_header: DP secondary data packet header
+ * @db: DP secondaray data packet data blocks
+ * VSC SDP Payload for PSR
+ * db[0]: Stereo Interface
+ * db[1]: 0 - PSR State; 1 - Update RFB; 2 - CRC Valid
+ * db[2]: CRC value bits 7:0 of the R or Cr component
+ * db[3]: CRC value bits 15:8 of the R or Cr component
+ * db[4]: CRC value bits 7:0 of the G or Y component
+ * db[5]: CRC value bits 15:8 of the G or Y component
+ * db[6]: CRC value bits 7:0 of the B or Cb component
+ * db[7]: CRC value bits 15:8 of the B or Cb component
+ * db[8] - db[31]: Reserved
+ * VSC SDP Payload for Pixel Encoding/Colorimetry Format
+ * db[0] - db[15]: Reserved
+ * db[16]: Pixel Encoding and Colorimetry Formats
+ * db[17]: Dynamic Range and Component Bit Depth
+ * db[18]: Content Type
+ * db[19] - db[31]: Reserved
+ */
+struct dp_sdp {
+ struct dp_sdp_header sdp_header;
+ u8 db[32];
+} __packed;
+
+#define EDP_VSC_PSR_STATE_ACTIVE (1<<0)
+#define EDP_VSC_PSR_UPDATE_RFB (1<<1)
+#define EDP_VSC_PSR_CRC_VALUES_VALID (1<<2)
+
+/**
+ * enum dp_pixelformat - drm DP Pixel encoding formats
+ *
+ * This enum is used to indicate DP VSC SDP Pixel encoding formats.
+ * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
+ * DB18]
+ *
+ * @DP_PIXELFORMAT_RGB: RGB pixel encoding format
+ * @DP_PIXELFORMAT_YUV444: YCbCr 4:4:4 pixel encoding format
+ * @DP_PIXELFORMAT_YUV422: YCbCr 4:2:2 pixel encoding format
+ * @DP_PIXELFORMAT_YUV420: YCbCr 4:2:0 pixel encoding format
+ * @DP_PIXELFORMAT_Y_ONLY: Y Only pixel encoding format
+ * @DP_PIXELFORMAT_RAW: RAW pixel encoding format
+ * @DP_PIXELFORMAT_RESERVED: Reserved pixel encoding format
+ */
+enum dp_pixelformat {
+ DP_PIXELFORMAT_RGB = 0,
+ DP_PIXELFORMAT_YUV444 = 0x1,
+ DP_PIXELFORMAT_YUV422 = 0x2,
+ DP_PIXELFORMAT_YUV420 = 0x3,
+ DP_PIXELFORMAT_Y_ONLY = 0x4,
+ DP_PIXELFORMAT_RAW = 0x5,
+ DP_PIXELFORMAT_RESERVED = 0x6,
+};
+
+/**
+ * enum dp_colorimetry - drm DP Colorimetry formats
+ *
+ * This enum is used to indicate DP VSC SDP Colorimetry formats.
+ * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
+ * DB18] and a name of enum member follows DRM_MODE_COLORIMETRY definition.
+ *
+ * @DP_COLORIMETRY_DEFAULT: sRGB (IEC 61966-2-1) or
+ * ITU-R BT.601 colorimetry format
+ * @DP_COLORIMETRY_RGB_WIDE_FIXED: RGB wide gamut fixed point colorimetry format
+ * @DP_COLORIMETRY_BT709_YCC: ITU-R BT.709 colorimetry format
+ * @DP_COLORIMETRY_RGB_WIDE_FLOAT: RGB wide gamut floating point
+ * (scRGB (IEC 61966-2-2)) colorimetry format
+ * @DP_COLORIMETRY_XVYCC_601: xvYCC601 colorimetry format
+ * @DP_COLORIMETRY_OPRGB: OpRGB colorimetry format
+ * @DP_COLORIMETRY_XVYCC_709: xvYCC709 colorimetry format
+ * @DP_COLORIMETRY_DCI_P3_RGB: DCI-P3 (SMPTE RP 431-2) colorimetry format
+ * @DP_COLORIMETRY_SYCC_601: sYCC601 colorimetry format
+ * @DP_COLORIMETRY_RGB_CUSTOM: RGB Custom Color Profile colorimetry format
+ * @DP_COLORIMETRY_OPYCC_601: opYCC601 colorimetry format
+ * @DP_COLORIMETRY_BT2020_RGB: ITU-R BT.2020 R' G' B' colorimetry format
+ * @DP_COLORIMETRY_BT2020_CYCC: ITU-R BT.2020 Y'c C'bc C'rc colorimetry format
+ * @DP_COLORIMETRY_BT2020_YCC: ITU-R BT.2020 Y' C'b C'r colorimetry format
+ */
+enum dp_colorimetry {
+ DP_COLORIMETRY_DEFAULT = 0,
+ DP_COLORIMETRY_RGB_WIDE_FIXED = 0x1,
+ DP_COLORIMETRY_BT709_YCC = 0x1,
+ DP_COLORIMETRY_RGB_WIDE_FLOAT = 0x2,
+ DP_COLORIMETRY_XVYCC_601 = 0x2,
+ DP_COLORIMETRY_OPRGB = 0x3,
+ DP_COLORIMETRY_XVYCC_709 = 0x3,
+ DP_COLORIMETRY_DCI_P3_RGB = 0x4,
+ DP_COLORIMETRY_SYCC_601 = 0x4,
+ DP_COLORIMETRY_RGB_CUSTOM = 0x5,
+ DP_COLORIMETRY_OPYCC_601 = 0x5,
+ DP_COLORIMETRY_BT2020_RGB = 0x6,
+ DP_COLORIMETRY_BT2020_CYCC = 0x6,
+ DP_COLORIMETRY_BT2020_YCC = 0x7,
+};
+
+/**
+ * enum dp_dynamic_range - drm DP Dynamic Range
+ *
+ * This enum is used to indicate DP VSC SDP Dynamic Range.
+ * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
+ * DB18]
+ *
+ * @DP_DYNAMIC_RANGE_VESA: VESA range
+ * @DP_DYNAMIC_RANGE_CTA: CTA range
+ */
+enum dp_dynamic_range {
+ DP_DYNAMIC_RANGE_VESA = 0,
+ DP_DYNAMIC_RANGE_CTA = 1,
+};
+
+/**
+ * enum dp_content_type - drm DP Content Type
+ *
+ * This enum is used to indicate DP VSC SDP Content Types.
+ * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
+ * DB18]
+ * CTA-861-G defines content types and expected processing by a sink device
+ *
+ * @DP_CONTENT_TYPE_NOT_DEFINED: Not defined type
+ * @DP_CONTENT_TYPE_GRAPHICS: Graphics type
+ * @DP_CONTENT_TYPE_PHOTO: Photo type
+ * @DP_CONTENT_TYPE_VIDEO: Video type
+ * @DP_CONTENT_TYPE_GAME: Game type
+ */
+enum dp_content_type {
+ DP_CONTENT_TYPE_NOT_DEFINED = 0x00,
+ DP_CONTENT_TYPE_GRAPHICS = 0x01,
+ DP_CONTENT_TYPE_PHOTO = 0x02,
+ DP_CONTENT_TYPE_VIDEO = 0x03,
+ DP_CONTENT_TYPE_GAME = 0x04,
+};
+
+/**
+ * struct drm_dp_vsc_sdp - drm DP VSC SDP
+ *
+ * This structure represents a DP VSC SDP of drm
+ * It is based on DP 1.4 spec [Table 2-116: VSC SDP Header Bytes] and
+ * [Table 2-117: VSC SDP Payload for DB16 through DB18]
+ *
+ * @sdp_type: secondary-data packet type
+ * @revision: revision number
+ * @length: number of valid data bytes
+ * @pixelformat: pixel encoding format
+ * @colorimetry: colorimetry format
+ * @bpc: bit per color
+ * @dynamic_range: dynamic range information
+ * @content_type: CTA-861-G defines content types and expected processing by a sink device
+ */
+struct drm_dp_vsc_sdp {
+ unsigned char sdp_type;
+ unsigned char revision;
+ unsigned char length;
+ enum dp_pixelformat pixelformat;
+ enum dp_colorimetry colorimetry;
+ int bpc;
+ enum dp_dynamic_range dynamic_range;
+ enum dp_content_type content_type;
+};
+
+void drm_dp_vsc_sdp_log(const char *level, struct device *dev,
+ const struct drm_dp_vsc_sdp *vsc);
+
+int drm_dp_psr_setup_time(const u8 psr_cap[EDP_PSR_RECEIVER_CAP_SIZE]);
+
+static inline int
+drm_dp_max_link_rate(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return drm_dp_bw_code_to_link_rate(dpcd[DP_MAX_LINK_RATE]);
+}
+
+static inline u8
+drm_dp_max_lane_count(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_MAX_LANE_COUNT] & DP_MAX_LANE_COUNT_MASK;
+}
+
+static inline bool
+drm_dp_enhanced_frame_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DPCD_REV] >= 0x11 &&
+ (dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP);
+}
+
+static inline bool
+drm_dp_fast_training_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DPCD_REV] >= 0x11 &&
+ (dpcd[DP_MAX_DOWNSPREAD] & DP_NO_AUX_HANDSHAKE_LINK_TRAINING);
+}
+
+static inline bool
+drm_dp_tps3_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DPCD_REV] >= 0x12 &&
+ dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED;
+}
+
+static inline bool
+drm_dp_tps4_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DPCD_REV] >= 0x14 &&
+ dpcd[DP_MAX_DOWNSPREAD] & DP_TPS4_SUPPORTED;
+}
+
+static inline u8
+drm_dp_training_pattern_mask(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return (dpcd[DP_DPCD_REV] >= 0x14) ? DP_TRAINING_PATTERN_MASK_1_4 :
+ DP_TRAINING_PATTERN_MASK;
+}
+
+static inline bool
+drm_dp_is_branch(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DOWNSTREAMPORT_PRESENT] & DP_DWN_STRM_PORT_PRESENT;
+}
+
+/* DP/eDP DSC support */
+u8 drm_dp_dsc_sink_max_slice_count(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE],
+ bool is_edp);
+u8 drm_dp_dsc_sink_line_buf_depth(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]);
+int drm_dp_dsc_sink_supported_input_bpcs(const u8 dsc_dpc[DP_DSC_RECEIVER_CAP_SIZE],
+ u8 dsc_bpc[3]);
+
+static inline bool
+drm_dp_sink_supports_dsc(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
+{
+ return dsc_dpcd[DP_DSC_SUPPORT - DP_DSC_SUPPORT] &
+ DP_DSC_DECOMPRESSION_IS_SUPPORTED;
+}
+
+static inline u16
+drm_edp_dsc_sink_output_bpp(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
+{
+ return dsc_dpcd[DP_DSC_MAX_BITS_PER_PIXEL_LOW - DP_DSC_SUPPORT] |
+ (dsc_dpcd[DP_DSC_MAX_BITS_PER_PIXEL_HI - DP_DSC_SUPPORT] &
+ DP_DSC_MAX_BITS_PER_PIXEL_HI_MASK <<
+ DP_DSC_MAX_BITS_PER_PIXEL_HI_SHIFT);
+}
+
+static inline u32
+drm_dp_dsc_sink_max_slice_width(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
+{
+ /* Max Slicewidth = Number of Pixels * 320 */
+ return dsc_dpcd[DP_DSC_MAX_SLICE_WIDTH - DP_DSC_SUPPORT] *
+ DP_DSC_SLICE_WIDTH_MULTIPLIER;
+}
+
+/* Forward Error Correction Support on DP 1.4 */
+static inline bool
+drm_dp_sink_supports_fec(const u8 fec_capable)
+{
+ return fec_capable & DP_FEC_CAPABLE;
+}
+
+static inline bool
+drm_dp_channel_coding_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_MAIN_LINK_CHANNEL_CODING] & DP_CAP_ANSI_8B10B;
+}
+
+static inline bool
+drm_dp_alternate_scrambler_reset_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_EDP_CONFIGURATION_CAP] &
+ DP_ALTERNATE_SCRAMBLER_RESET_CAP;
+}
+
+/* Ignore MSA timing for Adaptive Sync support on DP 1.4 */
+static inline bool
+drm_dp_sink_can_do_video_without_timing_msa(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DOWN_STREAM_PORT_COUNT] &
+ DP_MSA_TIMING_PAR_IGNORED;
+}
+
+/**
+ * drm_edp_backlight_supported() - Check an eDP DPCD for VESA backlight support
+ * @edp_dpcd: The DPCD to check
+ *
+ * Note that currently this function will return %false for panels which support various DPCD
+ * backlight features but which require the brightness be set through PWM, and don't support setting
+ * the brightness level via the DPCD.
+ *
+ * Returns: %True if @edp_dpcd indicates that VESA backlight controls are supported, %false
+ * otherwise
+ */
+static inline bool
+drm_edp_backlight_supported(const u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE])
+{
+ return !!(edp_dpcd[1] & DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP);
+}
+
+/*
+ * DisplayPort AUX channel
+ */
+
+/**
+ * struct drm_dp_aux_msg - DisplayPort AUX channel transaction
+ * @address: address of the (first) register to access
+ * @request: contains the type of transaction (see DP_AUX_* macros)
+ * @reply: upon completion, contains the reply type of the transaction
+ * @buffer: pointer to a transmission or reception buffer
+ * @size: size of @buffer
+ */
+struct drm_dp_aux_msg {
+ unsigned int address;
+ u8 request;
+ u8 reply;
+ void *buffer;
+ size_t size;
+};
+
+struct cec_adapter;
+struct edid;
+struct drm_connector;
+
+/**
+ * struct drm_dp_aux_cec - DisplayPort CEC-Tunneling-over-AUX
+ * @lock: mutex protecting this struct
+ * @adap: the CEC adapter for CEC-Tunneling-over-AUX support.
+ * @connector: the connector this CEC adapter is associated with
+ * @unregister_work: unregister the CEC adapter
+ */
+struct drm_dp_aux_cec {
+ struct mutex lock;
+ struct cec_adapter *adap;
+ struct drm_connector *connector;
+ struct delayed_work unregister_work;
+};
+
+/**
+ * struct drm_dp_aux - DisplayPort AUX channel
+ *
+ * An AUX channel can also be used to transport I2C messages to a sink. A
+ * typical application of that is to access an EDID that's present in the sink
+ * device. The @transfer() function can also be used to execute such
+ * transactions. The drm_dp_aux_register() function registers an I2C adapter
+ * that can be passed to drm_probe_ddc(). Upon removal, drivers should call
+ * drm_dp_aux_unregister() to remove the I2C adapter. The I2C adapter uses long
+ * transfers by default; if a partial response is received, the adapter will
+ * drop down to the size given by the partial response for this transaction
+ * only.
+ */
+struct drm_dp_aux {
+ /**
+ * @name: user-visible name of this AUX channel and the
+ * I2C-over-AUX adapter.
+ *
+ * It's also used to specify the name of the I2C adapter. If set
+ * to %NULL, dev_name() of @dev will be used.
+ */
+ const char *name;
+
+ /**
+ * @ddc: I2C adapter that can be used for I2C-over-AUX
+ * communication
+ */
+ struct i2c_adapter ddc;
+
+ /**
+ * @dev: pointer to struct device that is the parent for this
+ * AUX channel.
+ */
+ struct device *dev;
+
+ /**
+ * @drm_dev: pointer to the &drm_device that owns this AUX channel.
+ * Beware, this may be %NULL before drm_dp_aux_register() has been
+ * called.
+ *
+ * It should be set to the &drm_device that will be using this AUX
+ * channel as early as possible. For many graphics drivers this should
+ * happen before drm_dp_aux_init(), however it's perfectly fine to set
+ * this field later so long as it's assigned before calling
+ * drm_dp_aux_register().
+ */
+ struct drm_device *drm_dev;
+
+ /**
+ * @crtc: backpointer to the crtc that is currently using this
+ * AUX channel
+ */
+ struct drm_crtc *crtc;
+
+ /**
+ * @hw_mutex: internal mutex used for locking transfers.
+ *
+ * Note that if the underlying hardware is shared among multiple
+ * channels, the driver needs to do additional locking to
+ * prevent concurrent access.
+ */
+ struct mutex hw_mutex;
+
+ /**
+ * @crc_work: worker that captures CRCs for each frame
+ */
+ struct work_struct crc_work;
+
+ /**
+ * @crc_count: counter of captured frame CRCs
+ */
+ u8 crc_count;
+
+ /**
+ * @transfer: transfers a message representing a single AUX
+ * transaction.
+ *
+ * This is a hardware-specific implementation of how
+ * transactions are executed that the drivers must provide.
+ *
+ * A pointer to a &drm_dp_aux_msg structure describing the
+ * transaction is passed into this function. Upon success, the
+ * implementation should return the number of payload bytes that
+ * were transferred, or a negative error-code on failure.
+ *
+ * Helpers will propagate these errors, with the exception of
+ * the %-EBUSY error, which causes a transaction to be retried.
+ * On a short, helpers will return %-EPROTO to make it simpler
+ * to check for failure.
+ *
+ * The @transfer() function must only modify the reply field of
+ * the &drm_dp_aux_msg structure. The retry logic and i2c
+ * helpers assume this is the case.
+ *
+ * Also note that this callback can be called no matter the
+ * state @dev is in. Drivers that need that device to be powered
+ * to perform this operation will first need to make sure it's
+ * been properly enabled.
+ */
+ ssize_t (*transfer)(struct drm_dp_aux *aux,
+ struct drm_dp_aux_msg *msg);
+
+ /**
+ * @i2c_nack_count: Counts I2C NACKs, used for DP validation.
+ */
+ unsigned i2c_nack_count;
+ /**
+ * @i2c_defer_count: Counts I2C DEFERs, used for DP validation.
+ */
+ unsigned i2c_defer_count;
+ /**
+ * @cec: struct containing fields used for CEC-Tunneling-over-AUX.
+ */
+ struct drm_dp_aux_cec cec;
+ /**
+ * @is_remote: Is this AUX CH actually using sideband messaging.
+ */
+ bool is_remote;
+};
+
+ssize_t drm_dp_dpcd_read(struct drm_dp_aux *aux, unsigned int offset,
+ void *buffer, size_t size);
+ssize_t drm_dp_dpcd_write(struct drm_dp_aux *aux, unsigned int offset,
+ void *buffer, size_t size);
+
+/**
+ * drm_dp_dpcd_readb() - read a single byte from the DPCD
+ * @aux: DisplayPort AUX channel
+ * @offset: address of the register to read
+ * @valuep: location where the value of the register will be stored
+ *
+ * Returns the number of bytes transferred (1) on success, or a negative
+ * error code on failure.
+ */
+static inline ssize_t drm_dp_dpcd_readb(struct drm_dp_aux *aux,
+ unsigned int offset, u8 *valuep)
+{
+ return drm_dp_dpcd_read(aux, offset, valuep, 1);
+}
+
+/**
+ * drm_dp_dpcd_writeb() - write a single byte to the DPCD
+ * @aux: DisplayPort AUX channel
+ * @offset: address of the register to write
+ * @value: value to write to the register
+ *
+ * Returns the number of bytes transferred (1) on success, or a negative
+ * error code on failure.
+ */
+static inline ssize_t drm_dp_dpcd_writeb(struct drm_dp_aux *aux,
+ unsigned int offset, u8 value)
+{
+ return drm_dp_dpcd_write(aux, offset, &value, 1);
+}
+
+int drm_dp_read_dpcd_caps(struct drm_dp_aux *aux,
+ u8 dpcd[DP_RECEIVER_CAP_SIZE]);
+
+int drm_dp_dpcd_read_link_status(struct drm_dp_aux *aux,
+ u8 status[DP_LINK_STATUS_SIZE]);
+
+int drm_dp_dpcd_read_phy_link_status(struct drm_dp_aux *aux,
+ enum drm_dp_phy dp_phy,
+ u8 link_status[DP_LINK_STATUS_SIZE]);
+
+bool drm_dp_send_real_edid_checksum(struct drm_dp_aux *aux,
+ u8 real_edid_checksum);
+
+int drm_dp_read_downstream_info(struct drm_dp_aux *aux,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS]);
+bool drm_dp_downstream_is_type(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4], u8 type);
+bool drm_dp_downstream_is_tmds(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4],
+ const struct edid *edid);
+int drm_dp_downstream_max_dotclock(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4]);
+int drm_dp_downstream_max_tmds_clock(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4],
+ const struct edid *edid);
+int drm_dp_downstream_min_tmds_clock(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4],
+ const struct edid *edid);
+int drm_dp_downstream_max_bpc(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4],
+ const struct edid *edid);
+bool drm_dp_downstream_420_passthrough(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4]);
+bool drm_dp_downstream_444_to_420_conversion(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4]);
+struct drm_display_mode *drm_dp_downstream_mode(struct drm_device *dev,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4]);
+int drm_dp_downstream_id(struct drm_dp_aux *aux, char id[6]);
+void drm_dp_downstream_debug(struct seq_file *m,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4],
+ const struct edid *edid,
+ struct drm_dp_aux *aux);
+enum drm_mode_subconnector
+drm_dp_subconnector_type(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4]);
+void drm_dp_set_subconnector_property(struct drm_connector *connector,
+ enum drm_connector_status status,
+ const u8 *dpcd,
+ const u8 port_cap[4]);
+
+struct drm_dp_desc;
+bool drm_dp_read_sink_count_cap(struct drm_connector *connector,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const struct drm_dp_desc *desc);
+int drm_dp_read_sink_count(struct drm_dp_aux *aux);
+
+int drm_dp_read_lttpr_common_caps(struct drm_dp_aux *aux,
+ u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
+int drm_dp_read_lttpr_phy_caps(struct drm_dp_aux *aux,
+ enum drm_dp_phy dp_phy,
+ u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
+int drm_dp_lttpr_count(const u8 cap[DP_LTTPR_COMMON_CAP_SIZE]);
+int drm_dp_lttpr_max_link_rate(const u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
+int drm_dp_lttpr_max_lane_count(const u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
+bool drm_dp_lttpr_voltage_swing_level_3_supported(const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
+bool drm_dp_lttpr_pre_emphasis_level_3_supported(const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
+
+void drm_dp_remote_aux_init(struct drm_dp_aux *aux);
+void drm_dp_aux_init(struct drm_dp_aux *aux);
+int drm_dp_aux_register(struct drm_dp_aux *aux);
+void drm_dp_aux_unregister(struct drm_dp_aux *aux);
+
+int drm_dp_start_crc(struct drm_dp_aux *aux, struct drm_crtc *crtc);
+int drm_dp_stop_crc(struct drm_dp_aux *aux);
+
+struct drm_dp_dpcd_ident {
+ u8 oui[3];
+ u8 device_id[6];
+ u8 hw_rev;
+ u8 sw_major_rev;
+ u8 sw_minor_rev;
+} __packed;
+
+/**
+ * struct drm_dp_desc - DP branch/sink device descriptor
+ * @ident: DP device identification from DPCD 0x400 (sink) or 0x500 (branch).
+ * @quirks: Quirks; use drm_dp_has_quirk() to query for the quirks.
+ */
+struct drm_dp_desc {
+ struct drm_dp_dpcd_ident ident;
+ u32 quirks;
+};
+
+int drm_dp_read_desc(struct drm_dp_aux *aux, struct drm_dp_desc *desc,
+ bool is_branch);
+
+/**
+ * enum drm_dp_quirk - Display Port sink/branch device specific quirks
+ *
+ * Display Port sink and branch devices in the wild have a variety of bugs, try
+ * to collect them here. The quirks are shared, but it's up to the drivers to
+ * implement workarounds for them.
+ */
+enum drm_dp_quirk {
+ /**
+ * @DP_DPCD_QUIRK_CONSTANT_N:
+ *
+ * The device requires main link attributes Mvid and Nvid to be limited
+ * to 16 bits. So will give a constant value (0x8000) for compatability.
+ */
+ DP_DPCD_QUIRK_CONSTANT_N,
+ /**
+ * @DP_DPCD_QUIRK_NO_PSR:
+ *
+ * The device does not support PSR even if reports that it supports or
+ * driver still need to implement proper handling for such device.
+ */
+ DP_DPCD_QUIRK_NO_PSR,
+ /**
+ * @DP_DPCD_QUIRK_NO_SINK_COUNT:
+ *
+ * The device does not set SINK_COUNT to a non-zero value.
+ * The driver should ignore SINK_COUNT during detection. Note that
+ * drm_dp_read_sink_count_cap() automatically checks for this quirk.
+ */
+ DP_DPCD_QUIRK_NO_SINK_COUNT,
+ /**
+ * @DP_DPCD_QUIRK_DSC_WITHOUT_VIRTUAL_DPCD:
+ *
+ * The device supports MST DSC despite not supporting Virtual DPCD.
+ * The DSC caps can be read from the physical aux instead.
+ */
+ DP_DPCD_QUIRK_DSC_WITHOUT_VIRTUAL_DPCD,
+ /**
+ * @DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS:
+ *
+ * The device supports a link rate of 3.24 Gbps (multiplier 0xc) despite
+ * the DP_MAX_LINK_RATE register reporting a lower max multiplier.
+ */
+ DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS,
+};
+
+/**
+ * drm_dp_has_quirk() - does the DP device have a specific quirk
+ * @desc: Device descriptor filled by drm_dp_read_desc()
+ * @quirk: Quirk to query for
+ *
+ * Return true if DP device identified by @desc has @quirk.
+ */
+static inline bool
+drm_dp_has_quirk(const struct drm_dp_desc *desc, enum drm_dp_quirk quirk)
+{
+ return desc->quirks & BIT(quirk);
+}
+
+/**
+ * struct drm_edp_backlight_info - Probed eDP backlight info struct
+ * @pwmgen_bit_count: The pwmgen bit count
+ * @pwm_freq_pre_divider: The PWM frequency pre-divider value being used for this backlight, if any
+ * @max: The maximum backlight level that may be set
+ * @lsb_reg_used: Do we also write values to the DP_EDP_BACKLIGHT_BRIGHTNESS_LSB register?
+ * @aux_enable: Does the panel support the AUX enable cap?
+ * @aux_set: Does the panel support setting the brightness through AUX?
+ *
+ * This structure contains various data about an eDP backlight, which can be populated by using
+ * drm_edp_backlight_init().
+ */
+struct drm_edp_backlight_info {
+ u8 pwmgen_bit_count;
+ u8 pwm_freq_pre_divider;
+ u16 max;
+
+ bool lsb_reg_used : 1;
+ bool aux_enable : 1;
+ bool aux_set : 1;
+};
+
+int
+drm_edp_backlight_init(struct drm_dp_aux *aux, struct drm_edp_backlight_info *bl,
+ u16 driver_pwm_freq_hz, const u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE],
+ u16 *current_level, u8 *current_mode);
+int drm_edp_backlight_set_level(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl,
+ u16 level);
+int drm_edp_backlight_enable(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl,
+ u16 level);
+int drm_edp_backlight_disable(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl);
+
+#if IS_ENABLED(CONFIG_DRM_KMS_HELPER) && (IS_BUILTIN(CONFIG_BACKLIGHT_CLASS_DEVICE) || \
+ (IS_MODULE(CONFIG_DRM_KMS_HELPER) && IS_MODULE(CONFIG_BACKLIGHT_CLASS_DEVICE)))
+
+int drm_panel_dp_aux_backlight(struct drm_panel *panel, struct drm_dp_aux *aux);
+
+#else
+
+static inline int drm_panel_dp_aux_backlight(struct drm_panel *panel,
+ struct drm_dp_aux *aux)
+{
+ return 0;
+}
+
+#endif
+
+#ifdef CONFIG_DRM_DP_CEC
+void drm_dp_cec_irq(struct drm_dp_aux *aux);
+void drm_dp_cec_register_connector(struct drm_dp_aux *aux,
+ struct drm_connector *connector);
+void drm_dp_cec_unregister_connector(struct drm_dp_aux *aux);
+void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid);
+void drm_dp_cec_unset_edid(struct drm_dp_aux *aux);
+#else
+static inline void drm_dp_cec_irq(struct drm_dp_aux *aux)
+{
+}
+
+static inline void
+drm_dp_cec_register_connector(struct drm_dp_aux *aux,
+ struct drm_connector *connector)
+{
+}
+
+static inline void drm_dp_cec_unregister_connector(struct drm_dp_aux *aux)
+{
+}
+
+static inline void drm_dp_cec_set_edid(struct drm_dp_aux *aux,
+ const struct edid *edid)
+{
+}
+
+static inline void drm_dp_cec_unset_edid(struct drm_dp_aux *aux)
+{
+}
+
+#endif
+
+/**
+ * struct drm_dp_phy_test_params - DP Phy Compliance parameters
+ * @link_rate: Requested Link rate from DPCD 0x219
+ * @num_lanes: Number of lanes requested by sing through DPCD 0x220
+ * @phy_pattern: DP Phy test pattern from DPCD 0x248
+ * @hbr2_reset: DP HBR2_COMPLIANCE_SCRAMBLER_RESET from DCPD 0x24A and 0x24B
+ * @custom80: DP Test_80BIT_CUSTOM_PATTERN from DPCDs 0x250 through 0x259
+ * @enhanced_frame_cap: flag for enhanced frame capability.
+ */
+struct drm_dp_phy_test_params {
+ int link_rate;
+ u8 num_lanes;
+ u8 phy_pattern;
+ u8 hbr2_reset[2];
+ u8 custom80[10];
+ bool enhanced_frame_cap;
+};
+
+int drm_dp_get_phy_test_pattern(struct drm_dp_aux *aux,
+ struct drm_dp_phy_test_params *data);
+int drm_dp_set_phy_test_pattern(struct drm_dp_aux *aux,
+ struct drm_dp_phy_test_params *data, u8 dp_rev);
+int drm_dp_get_pcon_max_frl_bw(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4]);
+int drm_dp_pcon_frl_prepare(struct drm_dp_aux *aux, bool enable_frl_ready_hpd);
+bool drm_dp_pcon_is_frl_ready(struct drm_dp_aux *aux);
+int drm_dp_pcon_frl_configure_1(struct drm_dp_aux *aux, int max_frl_gbps,
+ u8 frl_mode);
+int drm_dp_pcon_frl_configure_2(struct drm_dp_aux *aux, int max_frl_mask,
+ u8 frl_type);
+int drm_dp_pcon_reset_frl_config(struct drm_dp_aux *aux);
+int drm_dp_pcon_frl_enable(struct drm_dp_aux *aux);
+
+bool drm_dp_pcon_hdmi_link_active(struct drm_dp_aux *aux);
+int drm_dp_pcon_hdmi_link_mode(struct drm_dp_aux *aux, u8 *frl_trained_mask);
+void drm_dp_pcon_hdmi_frl_link_error_count(struct drm_dp_aux *aux,
+ struct drm_connector *connector);
+bool drm_dp_pcon_enc_is_dsc_1_2(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
+int drm_dp_pcon_dsc_max_slices(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
+int drm_dp_pcon_dsc_max_slice_width(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
+int drm_dp_pcon_dsc_bpp_incr(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
+int drm_dp_pcon_pps_default(struct drm_dp_aux *aux);
+int drm_dp_pcon_pps_override_buf(struct drm_dp_aux *aux, u8 pps_buf[128]);
+int drm_dp_pcon_pps_override_param(struct drm_dp_aux *aux, u8 pps_param[6]);
+bool drm_dp_downstream_rgb_to_ycbcr_conversion(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4], u8 color_spc);
+int drm_dp_pcon_convert_rgb_to_ycbcr(struct drm_dp_aux *aux, u8 color_spc);
+
+#endif /* _DRM_DP_HELPER_H_ */
--- /dev/null
+/*
+ * Copyright © 2014 Red Hat.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+#ifndef _DRM_DP_MST_HELPER_H_
+#define _DRM_DP_MST_HELPER_H_
+
+#include <linux/types.h>
+#include <drm/dp/drm_dp_helper.h>
+#include <drm/drm_atomic.h>
+
+#if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS)
+#include <linux/stackdepot.h>
+#include <linux/timekeeping.h>
+
+enum drm_dp_mst_topology_ref_type {
+ DRM_DP_MST_TOPOLOGY_REF_GET,
+ DRM_DP_MST_TOPOLOGY_REF_PUT,
+};
+
+struct drm_dp_mst_topology_ref_history {
+ struct drm_dp_mst_topology_ref_entry {
+ enum drm_dp_mst_topology_ref_type type;
+ int count;
+ ktime_t ts_nsec;
+ depot_stack_handle_t backtrace;
+ } *entries;
+ int len;
+};
+#endif /* IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS) */
+
+struct drm_dp_mst_branch;
+
+/**
+ * struct drm_dp_vcpi - Virtual Channel Payload Identifier
+ * @vcpi: Virtual channel ID.
+ * @pbn: Payload Bandwidth Number for this channel
+ * @aligned_pbn: PBN aligned with slot size
+ * @num_slots: number of slots for this PBN
+ */
+struct drm_dp_vcpi {
+ int vcpi;
+ int pbn;
+ int aligned_pbn;
+ int num_slots;
+};
+
+/**
+ * struct drm_dp_mst_port - MST port
+ * @port_num: port number
+ * @input: if this port is an input port. Protected by
+ * &drm_dp_mst_topology_mgr.base.lock.
+ * @mcs: message capability status - DP 1.2 spec. Protected by
+ * &drm_dp_mst_topology_mgr.base.lock.
+ * @ddps: DisplayPort Device Plug Status - DP 1.2. Protected by
+ * &drm_dp_mst_topology_mgr.base.lock.
+ * @pdt: Peer Device Type. Protected by
+ * &drm_dp_mst_topology_mgr.base.lock.
+ * @ldps: Legacy Device Plug Status. Protected by
+ * &drm_dp_mst_topology_mgr.base.lock.
+ * @dpcd_rev: DPCD revision of device on this port. Protected by
+ * &drm_dp_mst_topology_mgr.base.lock.
+ * @num_sdp_streams: Number of simultaneous streams. Protected by
+ * &drm_dp_mst_topology_mgr.base.lock.
+ * @num_sdp_stream_sinks: Number of stream sinks. Protected by
+ * &drm_dp_mst_topology_mgr.base.lock.
+ * @full_pbn: Max possible bandwidth for this port. Protected by
+ * &drm_dp_mst_topology_mgr.base.lock.
+ * @next: link to next port on this branch device
+ * @aux: i2c aux transport to talk to device connected to this port, protected
+ * by &drm_dp_mst_topology_mgr.base.lock.
+ * @parent: branch device parent of this port
+ * @vcpi: Virtual Channel Payload info for this port.
+ * @connector: DRM connector this port is connected to. Protected by
+ * &drm_dp_mst_topology_mgr.base.lock.
+ * @mgr: topology manager this port lives under.
+ *
+ * This structure represents an MST port endpoint on a device somewhere
+ * in the MST topology.
+ */
+struct drm_dp_mst_port {
+ /**
+ * @topology_kref: refcount for this port's lifetime in the topology,
+ * only the DP MST helpers should need to touch this
+ */
+ struct kref topology_kref;
+
+ /**
+ * @malloc_kref: refcount for the memory allocation containing this
+ * structure. See drm_dp_mst_get_port_malloc() and
+ * drm_dp_mst_put_port_malloc().
+ */
+ struct kref malloc_kref;
+
+#if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS)
+ /**
+ * @topology_ref_history: A history of each topology
+ * reference/dereference. See CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS.
+ */
+ struct drm_dp_mst_topology_ref_history topology_ref_history;
+#endif
+
+ u8 port_num;
+ bool input;
+ bool mcs;
+ bool ddps;
+ u8 pdt;
+ bool ldps;
+ u8 dpcd_rev;
+ u8 num_sdp_streams;
+ u8 num_sdp_stream_sinks;
+ uint16_t full_pbn;
+ struct list_head next;
+ /**
+ * @mstb: the branch device connected to this port, if there is one.
+ * This should be considered protected for reading by
+ * &drm_dp_mst_topology_mgr.lock. There are two exceptions to this:
+ * &drm_dp_mst_topology_mgr.up_req_work and
+ * &drm_dp_mst_topology_mgr.work, which do not grab
+ * &drm_dp_mst_topology_mgr.lock during reads but are the only
+ * updaters of this list and are protected from writing concurrently
+ * by &drm_dp_mst_topology_mgr.probe_lock.
+ */
+ struct drm_dp_mst_branch *mstb;
+ struct drm_dp_aux aux; /* i2c bus for this port? */
+ struct drm_dp_mst_branch *parent;
+
+ struct drm_dp_vcpi vcpi;
+ struct drm_connector *connector;
+ struct drm_dp_mst_topology_mgr *mgr;
+
+ /**
+ * @cached_edid: for DP logical ports - make tiling work by ensuring
+ * that the EDID for all connectors is read immediately.
+ */
+ struct edid *cached_edid;
+ /**
+ * @has_audio: Tracks whether the sink connector to this port is
+ * audio-capable.
+ */
+ bool has_audio;
+
+ /**
+ * @fec_capable: bool indicating if FEC can be supported up to that
+ * point in the MST topology.
+ */
+ bool fec_capable;
+};
+
+/* sideband msg header - not bit struct */
+struct drm_dp_sideband_msg_hdr {
+ u8 lct;
+ u8 lcr;
+ u8 rad[8];
+ bool broadcast;
+ bool path_msg;
+ u8 msg_len;
+ bool somt;
+ bool eomt;
+ bool seqno;
+};
+
+struct drm_dp_sideband_msg_rx {
+ u8 chunk[48];
+ u8 msg[256];
+ u8 curchunk_len;
+ u8 curchunk_idx; /* chunk we are parsing now */
+ u8 curchunk_hdrlen;
+ u8 curlen; /* total length of the msg */
+ bool have_somt;
+ bool have_eomt;
+ struct drm_dp_sideband_msg_hdr initial_hdr;
+};
+
+/**
+ * struct drm_dp_mst_branch - MST branch device.
+ * @rad: Relative Address to talk to this branch device.
+ * @lct: Link count total to talk to this branch device.
+ * @num_ports: number of ports on the branch.
+ * @port_parent: pointer to the port parent, NULL if toplevel.
+ * @mgr: topology manager for this branch device.
+ * @link_address_sent: if a link address message has been sent to this device yet.
+ * @guid: guid for DP 1.2 branch device. port under this branch can be
+ * identified by port #.
+ *
+ * This structure represents an MST branch device, there is one
+ * primary branch device at the root, along with any other branches connected
+ * to downstream port of parent branches.
+ */
+struct drm_dp_mst_branch {
+ /**
+ * @topology_kref: refcount for this branch device's lifetime in the
+ * topology, only the DP MST helpers should need to touch this
+ */
+ struct kref topology_kref;
+
+ /**
+ * @malloc_kref: refcount for the memory allocation containing this
+ * structure. See drm_dp_mst_get_mstb_malloc() and
+ * drm_dp_mst_put_mstb_malloc().
+ */
+ struct kref malloc_kref;
+
+#if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS)
+ /**
+ * @topology_ref_history: A history of each topology
+ * reference/dereference. See CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS.
+ */
+ struct drm_dp_mst_topology_ref_history topology_ref_history;
+#endif
+
+ /**
+ * @destroy_next: linked-list entry used by
+ * drm_dp_delayed_destroy_work()
+ */
+ struct list_head destroy_next;
+
+ u8 rad[8];
+ u8 lct;
+ int num_ports;
+
+ /**
+ * @ports: the list of ports on this branch device. This should be
+ * considered protected for reading by &drm_dp_mst_topology_mgr.lock.
+ * There are two exceptions to this:
+ * &drm_dp_mst_topology_mgr.up_req_work and
+ * &drm_dp_mst_topology_mgr.work, which do not grab
+ * &drm_dp_mst_topology_mgr.lock during reads but are the only
+ * updaters of this list and are protected from updating the list
+ * concurrently by @drm_dp_mst_topology_mgr.probe_lock
+ */
+ struct list_head ports;
+
+ struct drm_dp_mst_port *port_parent;
+ struct drm_dp_mst_topology_mgr *mgr;
+
+ bool link_address_sent;
+
+ /* global unique identifier to identify branch devices */
+ u8 guid[16];
+};
+
+
+struct drm_dp_nak_reply {
+ u8 guid[16];
+ u8 reason;
+ u8 nak_data;
+};
+
+struct drm_dp_link_address_ack_reply {
+ u8 guid[16];
+ u8 nports;
+ struct drm_dp_link_addr_reply_port {
+ bool input_port;
+ u8 peer_device_type;
+ u8 port_number;
+ bool mcs;
+ bool ddps;
+ bool legacy_device_plug_status;
+ u8 dpcd_revision;
+ u8 peer_guid[16];
+ u8 num_sdp_streams;
+ u8 num_sdp_stream_sinks;
+ } ports[16];
+};
+
+struct drm_dp_remote_dpcd_read_ack_reply {
+ u8 port_number;
+ u8 num_bytes;
+ u8 bytes[255];
+};
+
+struct drm_dp_remote_dpcd_write_ack_reply {
+ u8 port_number;
+};
+
+struct drm_dp_remote_dpcd_write_nak_reply {
+ u8 port_number;
+ u8 reason;
+ u8 bytes_written_before_failure;
+};
+
+struct drm_dp_remote_i2c_read_ack_reply {
+ u8 port_number;
+ u8 num_bytes;
+ u8 bytes[255];
+};
+
+struct drm_dp_remote_i2c_read_nak_reply {
+ u8 port_number;
+ u8 nak_reason;
+ u8 i2c_nak_transaction;
+};
+
+struct drm_dp_remote_i2c_write_ack_reply {
+ u8 port_number;
+};
+
+struct drm_dp_query_stream_enc_status_ack_reply {
+ /* Bit[23:16]- Stream Id */
+ u8 stream_id;
+
+ /* Bit[15]- Signed */
+ bool reply_signed;
+
+ /* Bit[10:8]- Stream Output Sink Type */
+ bool unauthorizable_device_present;
+ bool legacy_device_present;
+ bool query_capable_device_present;
+
+ /* Bit[12:11]- Stream Output CP Type */
+ bool hdcp_1x_device_present;
+ bool hdcp_2x_device_present;
+
+ /* Bit[4]- Stream Authentication */
+ bool auth_completed;
+
+ /* Bit[3]- Stream Encryption */
+ bool encryption_enabled;
+
+ /* Bit[2]- Stream Repeater Function Present */
+ bool repeater_present;
+
+ /* Bit[1:0]- Stream State */
+ u8 state;
+};
+
+#define DRM_DP_MAX_SDP_STREAMS 16
+struct drm_dp_allocate_payload {
+ u8 port_number;
+ u8 number_sdp_streams;
+ u8 vcpi;
+ u16 pbn;
+ u8 sdp_stream_sink[DRM_DP_MAX_SDP_STREAMS];
+};
+
+struct drm_dp_allocate_payload_ack_reply {
+ u8 port_number;
+ u8 vcpi;
+ u16 allocated_pbn;
+};
+
+struct drm_dp_connection_status_notify {
+ u8 guid[16];
+ u8 port_number;
+ bool legacy_device_plug_status;
+ bool displayport_device_plug_status;
+ bool message_capability_status;
+ bool input_port;
+ u8 peer_device_type;
+};
+
+struct drm_dp_remote_dpcd_read {
+ u8 port_number;
+ u32 dpcd_address;
+ u8 num_bytes;
+};
+
+struct drm_dp_remote_dpcd_write {
+ u8 port_number;
+ u32 dpcd_address;
+ u8 num_bytes;
+ u8 *bytes;
+};
+
+#define DP_REMOTE_I2C_READ_MAX_TRANSACTIONS 4
+struct drm_dp_remote_i2c_read {
+ u8 num_transactions;
+ u8 port_number;
+ struct drm_dp_remote_i2c_read_tx {
+ u8 i2c_dev_id;
+ u8 num_bytes;
+ u8 *bytes;
+ u8 no_stop_bit;
+ u8 i2c_transaction_delay;
+ } transactions[DP_REMOTE_I2C_READ_MAX_TRANSACTIONS];
+ u8 read_i2c_device_id;
+ u8 num_bytes_read;
+};
+
+struct drm_dp_remote_i2c_write {
+ u8 port_number;
+ u8 write_i2c_device_id;
+ u8 num_bytes;
+ u8 *bytes;
+};
+
+struct drm_dp_query_stream_enc_status {
+ u8 stream_id;
+ u8 client_id[7]; /* 56-bit nonce */
+ u8 stream_event;
+ bool valid_stream_event;
+ u8 stream_behavior;
+ u8 valid_stream_behavior;
+};
+
+/* this covers ENUM_RESOURCES, POWER_DOWN_PHY, POWER_UP_PHY */
+struct drm_dp_port_number_req {
+ u8 port_number;
+};
+
+struct drm_dp_enum_path_resources_ack_reply {
+ u8 port_number;
+ bool fec_capable;
+ u16 full_payload_bw_number;
+ u16 avail_payload_bw_number;
+};
+
+/* covers POWER_DOWN_PHY, POWER_UP_PHY */
+struct drm_dp_port_number_rep {
+ u8 port_number;
+};
+
+struct drm_dp_query_payload {
+ u8 port_number;
+ u8 vcpi;
+};
+
+struct drm_dp_resource_status_notify {
+ u8 port_number;
+ u8 guid[16];
+ u16 available_pbn;
+};
+
+struct drm_dp_query_payload_ack_reply {
+ u8 port_number;
+ u16 allocated_pbn;
+};
+
+struct drm_dp_sideband_msg_req_body {
+ u8 req_type;
+ union ack_req {
+ struct drm_dp_connection_status_notify conn_stat;
+ struct drm_dp_port_number_req port_num;
+ struct drm_dp_resource_status_notify resource_stat;
+
+ struct drm_dp_query_payload query_payload;
+ struct drm_dp_allocate_payload allocate_payload;
+
+ struct drm_dp_remote_dpcd_read dpcd_read;
+ struct drm_dp_remote_dpcd_write dpcd_write;
+
+ struct drm_dp_remote_i2c_read i2c_read;
+ struct drm_dp_remote_i2c_write i2c_write;
+
+ struct drm_dp_query_stream_enc_status enc_status;
+ } u;
+};
+
+struct drm_dp_sideband_msg_reply_body {
+ u8 reply_type;
+ u8 req_type;
+ union ack_replies {
+ struct drm_dp_nak_reply nak;
+ struct drm_dp_link_address_ack_reply link_addr;
+ struct drm_dp_port_number_rep port_number;
+
+ struct drm_dp_enum_path_resources_ack_reply path_resources;
+ struct drm_dp_allocate_payload_ack_reply allocate_payload;
+ struct drm_dp_query_payload_ack_reply query_payload;
+
+ struct drm_dp_remote_dpcd_read_ack_reply remote_dpcd_read_ack;
+ struct drm_dp_remote_dpcd_write_ack_reply remote_dpcd_write_ack;
+ struct drm_dp_remote_dpcd_write_nak_reply remote_dpcd_write_nack;
+
+ struct drm_dp_remote_i2c_read_ack_reply remote_i2c_read_ack;
+ struct drm_dp_remote_i2c_read_nak_reply remote_i2c_read_nack;
+ struct drm_dp_remote_i2c_write_ack_reply remote_i2c_write_ack;
+
+ struct drm_dp_query_stream_enc_status_ack_reply enc_status;
+ } u;
+};
+
+/* msg is queued to be put into a slot */
+#define DRM_DP_SIDEBAND_TX_QUEUED 0
+/* msg has started transmitting on a slot - still on msgq */
+#define DRM_DP_SIDEBAND_TX_START_SEND 1
+/* msg has finished transmitting on a slot - removed from msgq only in slot */
+#define DRM_DP_SIDEBAND_TX_SENT 2
+/* msg has received a response - removed from slot */
+#define DRM_DP_SIDEBAND_TX_RX 3
+#define DRM_DP_SIDEBAND_TX_TIMEOUT 4
+
+struct drm_dp_sideband_msg_tx {
+ u8 msg[256];
+ u8 chunk[48];
+ u8 cur_offset;
+ u8 cur_len;
+ struct drm_dp_mst_branch *dst;
+ struct list_head next;
+ int seqno;
+ int state;
+ bool path_msg;
+ struct drm_dp_sideband_msg_reply_body reply;
+};
+
+/* sideband msg handler */
+struct drm_dp_mst_topology_mgr;
+struct drm_dp_mst_topology_cbs {
+ /* create a connector for a port */
+ struct drm_connector *(*add_connector)(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, const char *path);
+ /*
+ * Checks for any pending MST interrupts, passing them to MST core for
+ * processing, the same way an HPD IRQ pulse handler would do this.
+ * If provided MST core calls this callback from a poll-waiting loop
+ * when waiting for MST down message replies. The driver is expected
+ * to guard against a race between this callback and the driver's HPD
+ * IRQ pulse handler.
+ */
+ void (*poll_hpd_irq)(struct drm_dp_mst_topology_mgr *mgr);
+};
+
+#define DP_MAX_PAYLOAD (sizeof(unsigned long) * 8)
+
+#define DP_PAYLOAD_LOCAL 1
+#define DP_PAYLOAD_REMOTE 2
+#define DP_PAYLOAD_DELETE_LOCAL 3
+
+struct drm_dp_payload {
+ int payload_state;
+ int start_slot;
+ int num_slots;
+ int vcpi;
+};
+
+#define to_dp_mst_topology_state(x) container_of(x, struct drm_dp_mst_topology_state, base)
+
+struct drm_dp_vcpi_allocation {
+ struct drm_dp_mst_port *port;
+ int vcpi;
+ int pbn;
+ bool dsc_enabled;
+ struct list_head next;
+};
+
+struct drm_dp_mst_topology_state {
+ struct drm_private_state base;
+ struct list_head vcpis;
+ struct drm_dp_mst_topology_mgr *mgr;
+ u8 total_avail_slots;
+ u8 start_slot;
+};
+
+#define to_dp_mst_topology_mgr(x) container_of(x, struct drm_dp_mst_topology_mgr, base)
+
+/**
+ * struct drm_dp_mst_topology_mgr - DisplayPort MST manager
+ *
+ * This struct represents the toplevel displayport MST topology manager.
+ * There should be one instance of this for every MST capable DP connector
+ * on the GPU.
+ */
+struct drm_dp_mst_topology_mgr {
+ /**
+ * @base: Base private object for atomic
+ */
+ struct drm_private_obj base;
+
+ /**
+ * @dev: device pointer for adding i2c devices etc.
+ */
+ struct drm_device *dev;
+ /**
+ * @cbs: callbacks for connector addition and destruction.
+ */
+ const struct drm_dp_mst_topology_cbs *cbs;
+ /**
+ * @max_dpcd_transaction_bytes: maximum number of bytes to read/write
+ * in one go.
+ */
+ int max_dpcd_transaction_bytes;
+ /**
+ * @aux: AUX channel for the DP MST connector this topolgy mgr is
+ * controlling.
+ */
+ struct drm_dp_aux *aux;
+ /**
+ * @max_payloads: maximum number of payloads the GPU can generate.
+ */
+ int max_payloads;
+ /**
+ * @max_lane_count: maximum number of lanes the GPU can drive.
+ */
+ int max_lane_count;
+ /**
+ * @max_link_rate: maximum link rate per lane GPU can output, in kHz.
+ */
+ int max_link_rate;
+ /**
+ * @conn_base_id: DRM connector ID this mgr is connected to. Only used
+ * to build the MST connector path value.
+ */
+ int conn_base_id;
+
+ /**
+ * @up_req_recv: Message receiver state for up requests.
+ */
+ struct drm_dp_sideband_msg_rx up_req_recv;
+
+ /**
+ * @down_rep_recv: Message receiver state for replies to down
+ * requests.
+ */
+ struct drm_dp_sideband_msg_rx down_rep_recv;
+
+ /**
+ * @lock: protects @mst_state, @mst_primary, @dpcd, and
+ * @payload_id_table_cleared.
+ */
+ struct mutex lock;
+
+ /**
+ * @probe_lock: Prevents @work and @up_req_work, the only writers of
+ * &drm_dp_mst_port.mstb and &drm_dp_mst_branch.ports, from racing
+ * while they update the topology.
+ */
+ struct mutex probe_lock;
+
+ /**
+ * @mst_state: If this manager is enabled for an MST capable port. False
+ * if no MST sink/branch devices is connected.
+ */
+ bool mst_state : 1;
+
+ /**
+ * @payload_id_table_cleared: Whether or not we've cleared the payload
+ * ID table for @mst_primary. Protected by @lock.
+ */
+ bool payload_id_table_cleared : 1;
+
+ /**
+ * @mst_primary: Pointer to the primary/first branch device.
+ */
+ struct drm_dp_mst_branch *mst_primary;
+
+ /**
+ * @dpcd: Cache of DPCD for primary port.
+ */
+ u8 dpcd[DP_RECEIVER_CAP_SIZE];
+ /**
+ * @sink_count: Sink count from DEVICE_SERVICE_IRQ_VECTOR_ESI0.
+ */
+ u8 sink_count;
+ /**
+ * @pbn_div: PBN to slots divisor.
+ */
+ int pbn_div;
+
+ /**
+ * @funcs: Atomic helper callbacks
+ */
+ const struct drm_private_state_funcs *funcs;
+
+ /**
+ * @qlock: protects @tx_msg_downq and &drm_dp_sideband_msg_tx.state
+ */
+ struct mutex qlock;
+
+ /**
+ * @tx_msg_downq: List of pending down requests
+ */
+ struct list_head tx_msg_downq;
+
+ /**
+ * @payload_lock: Protect payload information.
+ */
+ struct mutex payload_lock;
+ /**
+ * @proposed_vcpis: Array of pointers for the new VCPI allocation. The
+ * VCPI structure itself is &drm_dp_mst_port.vcpi, and the size of
+ * this array is determined by @max_payloads.
+ */
+ struct drm_dp_vcpi **proposed_vcpis;
+ /**
+ * @payloads: Array of payloads. The size of this array is determined
+ * by @max_payloads.
+ */
+ struct drm_dp_payload *payloads;
+ /**
+ * @payload_mask: Elements of @payloads actually in use. Since
+ * reallocation of active outputs isn't possible gaps can be created by
+ * disabling outputs out of order compared to how they've been enabled.
+ */
+ unsigned long payload_mask;
+ /**
+ * @vcpi_mask: Similar to @payload_mask, but for @proposed_vcpis.
+ */
+ unsigned long vcpi_mask;
+
+ /**
+ * @tx_waitq: Wait to queue stall for the tx worker.
+ */
+ wait_queue_head_t tx_waitq;
+ /**
+ * @work: Probe work.
+ */
+ struct work_struct work;
+ /**
+ * @tx_work: Sideband transmit worker. This can nest within the main
+ * @work worker for each transaction @work launches.
+ */
+ struct work_struct tx_work;
+
+ /**
+ * @destroy_port_list: List of to be destroyed connectors.
+ */
+ struct list_head destroy_port_list;
+ /**
+ * @destroy_branch_device_list: List of to be destroyed branch
+ * devices.
+ */
+ struct list_head destroy_branch_device_list;
+ /**
+ * @delayed_destroy_lock: Protects @destroy_port_list and
+ * @destroy_branch_device_list.
+ */
+ struct mutex delayed_destroy_lock;
+
+ /**
+ * @delayed_destroy_wq: Workqueue used for delayed_destroy_work items.
+ * A dedicated WQ makes it possible to drain any requeued work items
+ * on it.
+ */
+ struct workqueue_struct *delayed_destroy_wq;
+
+ /**
+ * @delayed_destroy_work: Work item to destroy MST port and branch
+ * devices, needed to avoid locking inversion.
+ */
+ struct work_struct delayed_destroy_work;
+
+ /**
+ * @up_req_list: List of pending up requests from the topology that
+ * need to be processed, in chronological order.
+ */
+ struct list_head up_req_list;
+ /**
+ * @up_req_lock: Protects @up_req_list
+ */
+ struct mutex up_req_lock;
+ /**
+ * @up_req_work: Work item to process up requests received from the
+ * topology. Needed to avoid blocking hotplug handling and sideband
+ * transmissions.
+ */
+ struct work_struct up_req_work;
+
+#if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS)
+ /**
+ * @topology_ref_history_lock: protects
+ * &drm_dp_mst_port.topology_ref_history and
+ * &drm_dp_mst_branch.topology_ref_history.
+ */
+ struct mutex topology_ref_history_lock;
+#endif
+};
+
+int drm_dp_mst_topology_mgr_init(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_device *dev, struct drm_dp_aux *aux,
+ int max_dpcd_transaction_bytes,
+ int max_payloads,
+ int max_lane_count, int max_link_rate,
+ int conn_base_id);
+
+void drm_dp_mst_topology_mgr_destroy(struct drm_dp_mst_topology_mgr *mgr);
+
+bool drm_dp_read_mst_cap(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
+int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool mst_state);
+
+int drm_dp_mst_hpd_irq(struct drm_dp_mst_topology_mgr *mgr, u8 *esi, bool *handled);
+
+
+int
+drm_dp_mst_detect_port(struct drm_connector *connector,
+ struct drm_modeset_acquire_ctx *ctx,
+ struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_port *port);
+
+struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
+
+int drm_dp_get_vc_payload_bw(const struct drm_dp_mst_topology_mgr *mgr,
+ int link_rate, int link_lane_count);
+
+int drm_dp_calc_pbn_mode(int clock, int bpp, bool dsc);
+
+bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_port *port, int pbn, int slots);
+
+int drm_dp_mst_get_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
+
+
+void drm_dp_mst_reset_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
+
+void drm_dp_mst_update_slots(struct drm_dp_mst_topology_state *mst_state, uint8_t link_encoding_cap);
+
+void drm_dp_mst_deallocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_port *port);
+
+
+int drm_dp_find_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr,
+ int pbn);
+
+
+int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr, int start_slot);
+
+
+int drm_dp_update_payload_part2(struct drm_dp_mst_topology_mgr *mgr);
+
+int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr);
+
+void drm_dp_mst_dump_topology(struct seq_file *m,
+ struct drm_dp_mst_topology_mgr *mgr);
+
+void drm_dp_mst_topology_mgr_suspend(struct drm_dp_mst_topology_mgr *mgr);
+int __must_check
+drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr,
+ bool sync);
+
+ssize_t drm_dp_mst_dpcd_read(struct drm_dp_aux *aux,
+ unsigned int offset, void *buffer, size_t size);
+ssize_t drm_dp_mst_dpcd_write(struct drm_dp_aux *aux,
+ unsigned int offset, void *buffer, size_t size);
+
+int drm_dp_mst_connector_late_register(struct drm_connector *connector,
+ struct drm_dp_mst_port *port);
+void drm_dp_mst_connector_early_unregister(struct drm_connector *connector,
+ struct drm_dp_mst_port *port);
+
+struct drm_dp_mst_topology_state *drm_atomic_get_mst_topology_state(struct drm_atomic_state *state,
+ struct drm_dp_mst_topology_mgr *mgr);
+int __must_check
+drm_dp_atomic_find_vcpi_slots(struct drm_atomic_state *state,
+ struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_port *port, int pbn,
+ int pbn_div);
+int drm_dp_mst_atomic_enable_dsc(struct drm_atomic_state *state,
+ struct drm_dp_mst_port *port,
+ int pbn, int pbn_div,
+ bool enable);
+int __must_check
+drm_dp_mst_add_affected_dsc_crtcs(struct drm_atomic_state *state,
+ struct drm_dp_mst_topology_mgr *mgr);
+int __must_check
+drm_dp_atomic_release_vcpi_slots(struct drm_atomic_state *state,
+ struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_port *port);
+int drm_dp_send_power_updown_phy(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_port *port, bool power_up);
+int drm_dp_send_query_stream_enc_status(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_port *port,
+ struct drm_dp_query_stream_enc_status_ack_reply *status);
+int __must_check drm_dp_mst_atomic_check(struct drm_atomic_state *state);
+
+void drm_dp_mst_get_port_malloc(struct drm_dp_mst_port *port);
+void drm_dp_mst_put_port_malloc(struct drm_dp_mst_port *port);
+
+struct drm_dp_aux *drm_dp_mst_dsc_aux_for_port(struct drm_dp_mst_port *port);
+
+extern const struct drm_private_state_funcs drm_dp_mst_topology_state_funcs;
+
+/**
+ * __drm_dp_mst_state_iter_get - private atomic state iterator function for
+ * macro-internal use
+ * @state: &struct drm_atomic_state pointer
+ * @mgr: pointer to the &struct drm_dp_mst_topology_mgr iteration cursor
+ * @old_state: optional pointer to the old &struct drm_dp_mst_topology_state
+ * iteration cursor
+ * @new_state: optional pointer to the new &struct drm_dp_mst_topology_state
+ * iteration cursor
+ * @i: int iteration cursor, for macro-internal use
+ *
+ * Used by for_each_oldnew_mst_mgr_in_state(),
+ * for_each_old_mst_mgr_in_state(), and for_each_new_mst_mgr_in_state(). Don't
+ * call this directly.
+ *
+ * Returns:
+ * True if the current &struct drm_private_obj is a &struct
+ * drm_dp_mst_topology_mgr, false otherwise.
+ */
+static inline bool
+__drm_dp_mst_state_iter_get(struct drm_atomic_state *state,
+ struct drm_dp_mst_topology_mgr **mgr,
+ struct drm_dp_mst_topology_state **old_state,
+ struct drm_dp_mst_topology_state **new_state,
+ int i)
+{
+ struct __drm_private_objs_state *objs_state = &state->private_objs[i];
+
+ if (objs_state->ptr->funcs != &drm_dp_mst_topology_state_funcs)
+ return false;
+
+ *mgr = to_dp_mst_topology_mgr(objs_state->ptr);
+ if (old_state)
+ *old_state = to_dp_mst_topology_state(objs_state->old_state);
+ if (new_state)
+ *new_state = to_dp_mst_topology_state(objs_state->new_state);
+
+ return true;
+}
+
+/**
+ * for_each_oldnew_mst_mgr_in_state - iterate over all DP MST topology
+ * managers in an atomic update
+ * @__state: &struct drm_atomic_state pointer
+ * @mgr: &struct drm_dp_mst_topology_mgr iteration cursor
+ * @old_state: &struct drm_dp_mst_topology_state iteration cursor for the old
+ * state
+ * @new_state: &struct drm_dp_mst_topology_state iteration cursor for the new
+ * state
+ * @__i: int iteration cursor, for macro-internal use
+ *
+ * This iterates over all DRM DP MST topology managers in an atomic update,
+ * tracking both old and new state. This is useful in places where the state
+ * delta needs to be considered, for example in atomic check functions.
+ */
+#define for_each_oldnew_mst_mgr_in_state(__state, mgr, old_state, new_state, __i) \
+ for ((__i) = 0; (__i) < (__state)->num_private_objs; (__i)++) \
+ for_each_if(__drm_dp_mst_state_iter_get((__state), &(mgr), &(old_state), &(new_state), (__i)))
+
+/**
+ * for_each_old_mst_mgr_in_state - iterate over all DP MST topology managers
+ * in an atomic update
+ * @__state: &struct drm_atomic_state pointer
+ * @mgr: &struct drm_dp_mst_topology_mgr iteration cursor
+ * @old_state: &struct drm_dp_mst_topology_state iteration cursor for the old
+ * state
+ * @__i: int iteration cursor, for macro-internal use
+ *
+ * This iterates over all DRM DP MST topology managers in an atomic update,
+ * tracking only the old state. This is useful in disable functions, where we
+ * need the old state the hardware is still in.
+ */
+#define for_each_old_mst_mgr_in_state(__state, mgr, old_state, __i) \
+ for ((__i) = 0; (__i) < (__state)->num_private_objs; (__i)++) \
+ for_each_if(__drm_dp_mst_state_iter_get((__state), &(mgr), &(old_state), NULL, (__i)))
+
+/**
+ * for_each_new_mst_mgr_in_state - iterate over all DP MST topology managers
+ * in an atomic update
+ * @__state: &struct drm_atomic_state pointer
+ * @mgr: &struct drm_dp_mst_topology_mgr iteration cursor
+ * @new_state: &struct drm_dp_mst_topology_state iteration cursor for the new
+ * state
+ * @__i: int iteration cursor, for macro-internal use
+ *
+ * This iterates over all DRM DP MST topology managers in an atomic update,
+ * tracking only the new state. This is useful in enable functions, where we
+ * need the new state the hardware should be in when the atomic commit
+ * operation has completed.
+ */
+#define for_each_new_mst_mgr_in_state(__state, mgr, new_state, __i) \
+ for ((__i) = 0; (__i) < (__state)->num_private_objs; (__i)++) \
+ for_each_if(__drm_dp_mst_state_iter_get((__state), &(mgr), NULL, &(new_state), (__i)))
+
+#endif
+++ /dev/null
-/*
- * Copyright © 2016 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef DRM_DP_DUAL_MODE_HELPER_H
-#define DRM_DP_DUAL_MODE_HELPER_H
-
-#include <linux/types.h>
-
-/*
- * Optional for type 1 DVI adaptors
- * Mandatory for type 1 HDMI and type 2 adaptors
- */
-#define DP_DUAL_MODE_HDMI_ID 0x00 /* 00-0f */
-#define DP_DUAL_MODE_HDMI_ID_LEN 16
-/*
- * Optional for type 1 adaptors
- * Mandatory for type 2 adaptors
- */
-#define DP_DUAL_MODE_ADAPTOR_ID 0x10
-#define DP_DUAL_MODE_REV_MASK 0x07
-#define DP_DUAL_MODE_REV_TYPE2 0x00
-#define DP_DUAL_MODE_TYPE_MASK 0xf0
-#define DP_DUAL_MODE_TYPE_TYPE2 0xa0
-/* This field is marked reserved in dual mode spec, used in LSPCON */
-#define DP_DUAL_MODE_TYPE_HAS_DPCD 0x08
-#define DP_DUAL_MODE_IEEE_OUI 0x11 /* 11-13*/
-#define DP_DUAL_IEEE_OUI_LEN 3
-#define DP_DUAL_DEVICE_ID 0x14 /* 14-19 */
-#define DP_DUAL_DEVICE_ID_LEN 6
-#define DP_DUAL_MODE_HARDWARE_REV 0x1a
-#define DP_DUAL_MODE_FIRMWARE_MAJOR_REV 0x1b
-#define DP_DUAL_MODE_FIRMWARE_MINOR_REV 0x1c
-#define DP_DUAL_MODE_MAX_TMDS_CLOCK 0x1d
-#define DP_DUAL_MODE_I2C_SPEED_CAP 0x1e
-#define DP_DUAL_MODE_TMDS_OEN 0x20
-#define DP_DUAL_MODE_TMDS_DISABLE 0x01
-#define DP_DUAL_MODE_HDMI_PIN_CTRL 0x21
-#define DP_DUAL_MODE_CEC_ENABLE 0x01
-#define DP_DUAL_MODE_I2C_SPEED_CTRL 0x22
-
-/* LSPCON specific registers, defined by MCA */
-#define DP_DUAL_MODE_LSPCON_MODE_CHANGE 0x40
-#define DP_DUAL_MODE_LSPCON_CURRENT_MODE 0x41
-#define DP_DUAL_MODE_LSPCON_MODE_PCON 0x1
-
-struct drm_device;
-struct i2c_adapter;
-
-ssize_t drm_dp_dual_mode_read(struct i2c_adapter *adapter,
- u8 offset, void *buffer, size_t size);
-ssize_t drm_dp_dual_mode_write(struct i2c_adapter *adapter,
- u8 offset, const void *buffer, size_t size);
-
-/**
- * enum drm_lspcon_mode
- * @DRM_LSPCON_MODE_INVALID: No LSPCON.
- * @DRM_LSPCON_MODE_LS: Level shifter mode of LSPCON
- * which drives DP++ to HDMI 1.4 conversion.
- * @DRM_LSPCON_MODE_PCON: Protocol converter mode of LSPCON
- * which drives DP++ to HDMI 2.0 active conversion.
- */
-enum drm_lspcon_mode {
- DRM_LSPCON_MODE_INVALID,
- DRM_LSPCON_MODE_LS,
- DRM_LSPCON_MODE_PCON,
-};
-
-/**
- * enum drm_dp_dual_mode_type - Type of the DP dual mode adaptor
- * @DRM_DP_DUAL_MODE_NONE: No DP dual mode adaptor
- * @DRM_DP_DUAL_MODE_UNKNOWN: Could be either none or type 1 DVI adaptor
- * @DRM_DP_DUAL_MODE_TYPE1_DVI: Type 1 DVI adaptor
- * @DRM_DP_DUAL_MODE_TYPE1_HDMI: Type 1 HDMI adaptor
- * @DRM_DP_DUAL_MODE_TYPE2_DVI: Type 2 DVI adaptor
- * @DRM_DP_DUAL_MODE_TYPE2_HDMI: Type 2 HDMI adaptor
- * @DRM_DP_DUAL_MODE_LSPCON: Level shifter / protocol converter
- */
-enum drm_dp_dual_mode_type {
- DRM_DP_DUAL_MODE_NONE,
- DRM_DP_DUAL_MODE_UNKNOWN,
- DRM_DP_DUAL_MODE_TYPE1_DVI,
- DRM_DP_DUAL_MODE_TYPE1_HDMI,
- DRM_DP_DUAL_MODE_TYPE2_DVI,
- DRM_DP_DUAL_MODE_TYPE2_HDMI,
- DRM_DP_DUAL_MODE_LSPCON,
-};
-
-enum drm_dp_dual_mode_type
-drm_dp_dual_mode_detect(const struct drm_device *dev, struct i2c_adapter *adapter);
-int drm_dp_dual_mode_max_tmds_clock(const struct drm_device *dev, enum drm_dp_dual_mode_type type,
- struct i2c_adapter *adapter);
-int drm_dp_dual_mode_get_tmds_output(const struct drm_device *dev, enum drm_dp_dual_mode_type type,
- struct i2c_adapter *adapter, bool *enabled);
-int drm_dp_dual_mode_set_tmds_output(const struct drm_device *dev, enum drm_dp_dual_mode_type type,
- struct i2c_adapter *adapter, bool enable);
-const char *drm_dp_get_dual_mode_type_name(enum drm_dp_dual_mode_type type);
-
-int drm_lspcon_get_mode(const struct drm_device *dev, struct i2c_adapter *adapter,
- enum drm_lspcon_mode *current_mode);
-int drm_lspcon_set_mode(const struct drm_device *dev, struct i2c_adapter *adapter,
- enum drm_lspcon_mode reqd_mode);
-#endif
+++ /dev/null
-/*
- * Copyright © 2008 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting documentation, and
- * that the name of the copyright holders not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. The copyright holders make no representations
- * about the suitability of this software for any purpose. It is provided "as
- * is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
-#ifndef _DRM_DP_HELPER_H_
-#define _DRM_DP_HELPER_H_
-
-#include <linux/delay.h>
-#include <linux/i2c.h>
-#include <linux/types.h>
-#include <drm/drm_connector.h>
-
-struct drm_device;
-struct drm_dp_aux;
-struct drm_panel;
-
-/*
- * Unless otherwise noted, all values are from the DP 1.1a spec. Note that
- * DP and DPCD versions are independent. Differences from 1.0 are not noted,
- * 1.0 devices basically don't exist in the wild.
- *
- * Abbreviations, in chronological order:
- *
- * eDP: Embedded DisplayPort version 1
- * DPI: DisplayPort Interoperability Guideline v1.1a
- * 1.2: DisplayPort 1.2
- * MST: Multistream Transport - part of DP 1.2a
- *
- * 1.2 formally includes both eDP and DPI definitions.
- */
-
-/* MSA (Main Stream Attribute) MISC bits (as MISC1<<8|MISC0) */
-#define DP_MSA_MISC_SYNC_CLOCK (1 << 0)
-#define DP_MSA_MISC_INTERLACE_VTOTAL_EVEN (1 << 8)
-#define DP_MSA_MISC_STEREO_NO_3D (0 << 9)
-#define DP_MSA_MISC_STEREO_PROG_RIGHT_EYE (1 << 9)
-#define DP_MSA_MISC_STEREO_PROG_LEFT_EYE (3 << 9)
-/* bits per component for non-RAW */
-#define DP_MSA_MISC_6_BPC (0 << 5)
-#define DP_MSA_MISC_8_BPC (1 << 5)
-#define DP_MSA_MISC_10_BPC (2 << 5)
-#define DP_MSA_MISC_12_BPC (3 << 5)
-#define DP_MSA_MISC_16_BPC (4 << 5)
-/* bits per component for RAW */
-#define DP_MSA_MISC_RAW_6_BPC (1 << 5)
-#define DP_MSA_MISC_RAW_7_BPC (2 << 5)
-#define DP_MSA_MISC_RAW_8_BPC (3 << 5)
-#define DP_MSA_MISC_RAW_10_BPC (4 << 5)
-#define DP_MSA_MISC_RAW_12_BPC (5 << 5)
-#define DP_MSA_MISC_RAW_14_BPC (6 << 5)
-#define DP_MSA_MISC_RAW_16_BPC (7 << 5)
-/* pixel encoding/colorimetry format */
-#define _DP_MSA_MISC_COLOR(misc1_7, misc0_21, misc0_3, misc0_4) \
- ((misc1_7) << 15 | (misc0_4) << 4 | (misc0_3) << 3 | ((misc0_21) << 1))
-#define DP_MSA_MISC_COLOR_RGB _DP_MSA_MISC_COLOR(0, 0, 0, 0)
-#define DP_MSA_MISC_COLOR_CEA_RGB _DP_MSA_MISC_COLOR(0, 0, 1, 0)
-#define DP_MSA_MISC_COLOR_RGB_WIDE_FIXED _DP_MSA_MISC_COLOR(0, 3, 0, 0)
-#define DP_MSA_MISC_COLOR_RGB_WIDE_FLOAT _DP_MSA_MISC_COLOR(0, 3, 0, 1)
-#define DP_MSA_MISC_COLOR_Y_ONLY _DP_MSA_MISC_COLOR(1, 0, 0, 0)
-#define DP_MSA_MISC_COLOR_RAW _DP_MSA_MISC_COLOR(1, 1, 0, 0)
-#define DP_MSA_MISC_COLOR_YCBCR_422_BT601 _DP_MSA_MISC_COLOR(0, 1, 1, 0)
-#define DP_MSA_MISC_COLOR_YCBCR_422_BT709 _DP_MSA_MISC_COLOR(0, 1, 1, 1)
-#define DP_MSA_MISC_COLOR_YCBCR_444_BT601 _DP_MSA_MISC_COLOR(0, 2, 1, 0)
-#define DP_MSA_MISC_COLOR_YCBCR_444_BT709 _DP_MSA_MISC_COLOR(0, 2, 1, 1)
-#define DP_MSA_MISC_COLOR_XVYCC_422_BT601 _DP_MSA_MISC_COLOR(0, 1, 0, 0)
-#define DP_MSA_MISC_COLOR_XVYCC_422_BT709 _DP_MSA_MISC_COLOR(0, 1, 0, 1)
-#define DP_MSA_MISC_COLOR_XVYCC_444_BT601 _DP_MSA_MISC_COLOR(0, 2, 0, 0)
-#define DP_MSA_MISC_COLOR_XVYCC_444_BT709 _DP_MSA_MISC_COLOR(0, 2, 0, 1)
-#define DP_MSA_MISC_COLOR_OPRGB _DP_MSA_MISC_COLOR(0, 0, 1, 1)
-#define DP_MSA_MISC_COLOR_DCI_P3 _DP_MSA_MISC_COLOR(0, 3, 1, 0)
-#define DP_MSA_MISC_COLOR_COLOR_PROFILE _DP_MSA_MISC_COLOR(0, 3, 1, 1)
-#define DP_MSA_MISC_COLOR_VSC_SDP (1 << 14)
-
-#define DP_AUX_MAX_PAYLOAD_BYTES 16
-
-#define DP_AUX_I2C_WRITE 0x0
-#define DP_AUX_I2C_READ 0x1
-#define DP_AUX_I2C_WRITE_STATUS_UPDATE 0x2
-#define DP_AUX_I2C_MOT 0x4
-#define DP_AUX_NATIVE_WRITE 0x8
-#define DP_AUX_NATIVE_READ 0x9
-
-#define DP_AUX_NATIVE_REPLY_ACK (0x0 << 0)
-#define DP_AUX_NATIVE_REPLY_NACK (0x1 << 0)
-#define DP_AUX_NATIVE_REPLY_DEFER (0x2 << 0)
-#define DP_AUX_NATIVE_REPLY_MASK (0x3 << 0)
-
-#define DP_AUX_I2C_REPLY_ACK (0x0 << 2)
-#define DP_AUX_I2C_REPLY_NACK (0x1 << 2)
-#define DP_AUX_I2C_REPLY_DEFER (0x2 << 2)
-#define DP_AUX_I2C_REPLY_MASK (0x3 << 2)
-
-/* DPCD Field Address Mapping */
-
-/* Receiver Capability */
-#define DP_DPCD_REV 0x000
-# define DP_DPCD_REV_10 0x10
-# define DP_DPCD_REV_11 0x11
-# define DP_DPCD_REV_12 0x12
-# define DP_DPCD_REV_13 0x13
-# define DP_DPCD_REV_14 0x14
-
-#define DP_MAX_LINK_RATE 0x001
-
-#define DP_MAX_LANE_COUNT 0x002
-# define DP_MAX_LANE_COUNT_MASK 0x1f
-# define DP_TPS3_SUPPORTED (1 << 6) /* 1.2 */
-# define DP_ENHANCED_FRAME_CAP (1 << 7)
-
-#define DP_MAX_DOWNSPREAD 0x003
-# define DP_MAX_DOWNSPREAD_0_5 (1 << 0)
-# define DP_STREAM_REGENERATION_STATUS_CAP (1 << 1) /* 2.0 */
-# define DP_NO_AUX_HANDSHAKE_LINK_TRAINING (1 << 6)
-# define DP_TPS4_SUPPORTED (1 << 7)
-
-#define DP_NORP 0x004
-
-#define DP_DOWNSTREAMPORT_PRESENT 0x005
-# define DP_DWN_STRM_PORT_PRESENT (1 << 0)
-# define DP_DWN_STRM_PORT_TYPE_MASK 0x06
-# define DP_DWN_STRM_PORT_TYPE_DP (0 << 1)
-# define DP_DWN_STRM_PORT_TYPE_ANALOG (1 << 1)
-# define DP_DWN_STRM_PORT_TYPE_TMDS (2 << 1)
-# define DP_DWN_STRM_PORT_TYPE_OTHER (3 << 1)
-# define DP_FORMAT_CONVERSION (1 << 3)
-# define DP_DETAILED_CAP_INFO_AVAILABLE (1 << 4) /* DPI */
-
-#define DP_MAIN_LINK_CHANNEL_CODING 0x006
-# define DP_CAP_ANSI_8B10B (1 << 0)
-# define DP_CAP_ANSI_128B132B (1 << 1) /* 2.0 */
-
-#define DP_DOWN_STREAM_PORT_COUNT 0x007
-# define DP_PORT_COUNT_MASK 0x0f
-# define DP_MSA_TIMING_PAR_IGNORED (1 << 6) /* eDP */
-# define DP_OUI_SUPPORT (1 << 7)
-
-#define DP_RECEIVE_PORT_0_CAP_0 0x008
-# define DP_LOCAL_EDID_PRESENT (1 << 1)
-# define DP_ASSOCIATED_TO_PRECEDING_PORT (1 << 2)
-
-#define DP_RECEIVE_PORT_0_BUFFER_SIZE 0x009
-
-#define DP_RECEIVE_PORT_1_CAP_0 0x00a
-#define DP_RECEIVE_PORT_1_BUFFER_SIZE 0x00b
-
-#define DP_I2C_SPEED_CAP 0x00c /* DPI */
-# define DP_I2C_SPEED_1K 0x01
-# define DP_I2C_SPEED_5K 0x02
-# define DP_I2C_SPEED_10K 0x04
-# define DP_I2C_SPEED_100K 0x08
-# define DP_I2C_SPEED_400K 0x10
-# define DP_I2C_SPEED_1M 0x20
-
-#define DP_EDP_CONFIGURATION_CAP 0x00d /* XXX 1.2? */
-# define DP_ALTERNATE_SCRAMBLER_RESET_CAP (1 << 0)
-# define DP_FRAMING_CHANGE_CAP (1 << 1)
-# define DP_DPCD_DISPLAY_CONTROL_CAPABLE (1 << 3) /* edp v1.2 or higher */
-
-#define DP_TRAINING_AUX_RD_INTERVAL 0x00e /* XXX 1.2? */
-# define DP_TRAINING_AUX_RD_MASK 0x7F /* DP 1.3 */
-# define DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT (1 << 7) /* DP 1.3 */
-
-#define DP_ADAPTER_CAP 0x00f /* 1.2 */
-# define DP_FORCE_LOAD_SENSE_CAP (1 << 0)
-# define DP_ALTERNATE_I2C_PATTERN_CAP (1 << 1)
-
-#define DP_SUPPORTED_LINK_RATES 0x010 /* eDP 1.4 */
-# define DP_MAX_SUPPORTED_RATES 8 /* 16-bit little-endian */
-
-/* Multiple stream transport */
-#define DP_FAUX_CAP 0x020 /* 1.2 */
-# define DP_FAUX_CAP_1 (1 << 0)
-
-#define DP_SINK_VIDEO_FALLBACK_FORMATS 0x020 /* 2.0 */
-# define DP_FALLBACK_1024x768_60HZ_24BPP (1 << 0)
-# define DP_FALLBACK_1280x720_60HZ_24BPP (1 << 1)
-# define DP_FALLBACK_1920x1080_60HZ_24BPP (1 << 2)
-
-#define DP_MSTM_CAP 0x021 /* 1.2 */
-# define DP_MST_CAP (1 << 0)
-# define DP_SINGLE_STREAM_SIDEBAND_MSG (1 << 1) /* 2.0 */
-
-#define DP_NUMBER_OF_AUDIO_ENDPOINTS 0x022 /* 1.2 */
-
-/* AV_SYNC_DATA_BLOCK 1.2 */
-#define DP_AV_GRANULARITY 0x023
-# define DP_AG_FACTOR_MASK (0xf << 0)
-# define DP_AG_FACTOR_3MS (0 << 0)
-# define DP_AG_FACTOR_2MS (1 << 0)
-# define DP_AG_FACTOR_1MS (2 << 0)
-# define DP_AG_FACTOR_500US (3 << 0)
-# define DP_AG_FACTOR_200US (4 << 0)
-# define DP_AG_FACTOR_100US (5 << 0)
-# define DP_AG_FACTOR_10US (6 << 0)
-# define DP_AG_FACTOR_1US (7 << 0)
-# define DP_VG_FACTOR_MASK (0xf << 4)
-# define DP_VG_FACTOR_3MS (0 << 4)
-# define DP_VG_FACTOR_2MS (1 << 4)
-# define DP_VG_FACTOR_1MS (2 << 4)
-# define DP_VG_FACTOR_500US (3 << 4)
-# define DP_VG_FACTOR_200US (4 << 4)
-# define DP_VG_FACTOR_100US (5 << 4)
-
-#define DP_AUD_DEC_LAT0 0x024
-#define DP_AUD_DEC_LAT1 0x025
-
-#define DP_AUD_PP_LAT0 0x026
-#define DP_AUD_PP_LAT1 0x027
-
-#define DP_VID_INTER_LAT 0x028
-
-#define DP_VID_PROG_LAT 0x029
-
-#define DP_REP_LAT 0x02a
-
-#define DP_AUD_DEL_INS0 0x02b
-#define DP_AUD_DEL_INS1 0x02c
-#define DP_AUD_DEL_INS2 0x02d
-/* End of AV_SYNC_DATA_BLOCK */
-
-#define DP_RECEIVER_ALPM_CAP 0x02e /* eDP 1.4 */
-# define DP_ALPM_CAP (1 << 0)
-
-#define DP_SINK_DEVICE_AUX_FRAME_SYNC_CAP 0x02f /* eDP 1.4 */
-# define DP_AUX_FRAME_SYNC_CAP (1 << 0)
-
-#define DP_GUID 0x030 /* 1.2 */
-
-#define DP_DSC_SUPPORT 0x060 /* DP 1.4 */
-# define DP_DSC_DECOMPRESSION_IS_SUPPORTED (1 << 0)
-
-#define DP_DSC_REV 0x061
-# define DP_DSC_MAJOR_MASK (0xf << 0)
-# define DP_DSC_MINOR_MASK (0xf << 4)
-# define DP_DSC_MAJOR_SHIFT 0
-# define DP_DSC_MINOR_SHIFT 4
-
-#define DP_DSC_RC_BUF_BLK_SIZE 0x062
-# define DP_DSC_RC_BUF_BLK_SIZE_1 0x0
-# define DP_DSC_RC_BUF_BLK_SIZE_4 0x1
-# define DP_DSC_RC_BUF_BLK_SIZE_16 0x2
-# define DP_DSC_RC_BUF_BLK_SIZE_64 0x3
-
-#define DP_DSC_RC_BUF_SIZE 0x063
-
-#define DP_DSC_SLICE_CAP_1 0x064
-# define DP_DSC_1_PER_DP_DSC_SINK (1 << 0)
-# define DP_DSC_2_PER_DP_DSC_SINK (1 << 1)
-# define DP_DSC_4_PER_DP_DSC_SINK (1 << 3)
-# define DP_DSC_6_PER_DP_DSC_SINK (1 << 4)
-# define DP_DSC_8_PER_DP_DSC_SINK (1 << 5)
-# define DP_DSC_10_PER_DP_DSC_SINK (1 << 6)
-# define DP_DSC_12_PER_DP_DSC_SINK (1 << 7)
-
-#define DP_DSC_LINE_BUF_BIT_DEPTH 0x065
-# define DP_DSC_LINE_BUF_BIT_DEPTH_MASK (0xf << 0)
-# define DP_DSC_LINE_BUF_BIT_DEPTH_9 0x0
-# define DP_DSC_LINE_BUF_BIT_DEPTH_10 0x1
-# define DP_DSC_LINE_BUF_BIT_DEPTH_11 0x2
-# define DP_DSC_LINE_BUF_BIT_DEPTH_12 0x3
-# define DP_DSC_LINE_BUF_BIT_DEPTH_13 0x4
-# define DP_DSC_LINE_BUF_BIT_DEPTH_14 0x5
-# define DP_DSC_LINE_BUF_BIT_DEPTH_15 0x6
-# define DP_DSC_LINE_BUF_BIT_DEPTH_16 0x7
-# define DP_DSC_LINE_BUF_BIT_DEPTH_8 0x8
-
-#define DP_DSC_BLK_PREDICTION_SUPPORT 0x066
-# define DP_DSC_BLK_PREDICTION_IS_SUPPORTED (1 << 0)
-
-#define DP_DSC_MAX_BITS_PER_PIXEL_LOW 0x067 /* eDP 1.4 */
-
-#define DP_DSC_MAX_BITS_PER_PIXEL_HI 0x068 /* eDP 1.4 */
-# define DP_DSC_MAX_BITS_PER_PIXEL_HI_MASK (0x3 << 0)
-# define DP_DSC_MAX_BITS_PER_PIXEL_HI_SHIFT 8
-
-#define DP_DSC_DEC_COLOR_FORMAT_CAP 0x069
-# define DP_DSC_RGB (1 << 0)
-# define DP_DSC_YCbCr444 (1 << 1)
-# define DP_DSC_YCbCr422_Simple (1 << 2)
-# define DP_DSC_YCbCr422_Native (1 << 3)
-# define DP_DSC_YCbCr420_Native (1 << 4)
-
-#define DP_DSC_DEC_COLOR_DEPTH_CAP 0x06A
-# define DP_DSC_8_BPC (1 << 1)
-# define DP_DSC_10_BPC (1 << 2)
-# define DP_DSC_12_BPC (1 << 3)
-
-#define DP_DSC_PEAK_THROUGHPUT 0x06B
-# define DP_DSC_THROUGHPUT_MODE_0_MASK (0xf << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_SHIFT 0
-# define DP_DSC_THROUGHPUT_MODE_0_UNSUPPORTED 0
-# define DP_DSC_THROUGHPUT_MODE_0_340 (1 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_400 (2 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_450 (3 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_500 (4 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_550 (5 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_600 (6 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_650 (7 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_700 (8 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_750 (9 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_800 (10 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_850 (11 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_900 (12 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_950 (13 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_1000 (14 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_170 (15 << 0) /* 1.4a */
-# define DP_DSC_THROUGHPUT_MODE_1_MASK (0xf << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_SHIFT 4
-# define DP_DSC_THROUGHPUT_MODE_1_UNSUPPORTED 0
-# define DP_DSC_THROUGHPUT_MODE_1_340 (1 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_400 (2 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_450 (3 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_500 (4 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_550 (5 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_600 (6 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_650 (7 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_700 (8 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_750 (9 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_800 (10 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_850 (11 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_900 (12 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_950 (13 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_1000 (14 << 4)
-# define DP_DSC_THROUGHPUT_MODE_1_170 (15 << 4)
-
-#define DP_DSC_MAX_SLICE_WIDTH 0x06C
-#define DP_DSC_MIN_SLICE_WIDTH_VALUE 2560
-#define DP_DSC_SLICE_WIDTH_MULTIPLIER 320
-
-#define DP_DSC_SLICE_CAP_2 0x06D
-# define DP_DSC_16_PER_DP_DSC_SINK (1 << 0)
-# define DP_DSC_20_PER_DP_DSC_SINK (1 << 1)
-# define DP_DSC_24_PER_DP_DSC_SINK (1 << 2)
-
-#define DP_DSC_BITS_PER_PIXEL_INC 0x06F
-# define DP_DSC_BITS_PER_PIXEL_1_16 0x0
-# define DP_DSC_BITS_PER_PIXEL_1_8 0x1
-# define DP_DSC_BITS_PER_PIXEL_1_4 0x2
-# define DP_DSC_BITS_PER_PIXEL_1_2 0x3
-# define DP_DSC_BITS_PER_PIXEL_1 0x4
-
-#define DP_PSR_SUPPORT 0x070 /* XXX 1.2? */
-# define DP_PSR_IS_SUPPORTED 1
-# define DP_PSR2_IS_SUPPORTED 2 /* eDP 1.4 */
-# define DP_PSR2_WITH_Y_COORD_IS_SUPPORTED 3 /* eDP 1.4a */
-
-#define DP_PSR_CAPS 0x071 /* XXX 1.2? */
-# define DP_PSR_NO_TRAIN_ON_EXIT 1
-# define DP_PSR_SETUP_TIME_330 (0 << 1)
-# define DP_PSR_SETUP_TIME_275 (1 << 1)
-# define DP_PSR_SETUP_TIME_220 (2 << 1)
-# define DP_PSR_SETUP_TIME_165 (3 << 1)
-# define DP_PSR_SETUP_TIME_110 (4 << 1)
-# define DP_PSR_SETUP_TIME_55 (5 << 1)
-# define DP_PSR_SETUP_TIME_0 (6 << 1)
-# define DP_PSR_SETUP_TIME_MASK (7 << 1)
-# define DP_PSR_SETUP_TIME_SHIFT 1
-# define DP_PSR2_SU_Y_COORDINATE_REQUIRED (1 << 4) /* eDP 1.4a */
-# define DP_PSR2_SU_GRANULARITY_REQUIRED (1 << 5) /* eDP 1.4b */
-
-#define DP_PSR2_SU_X_GRANULARITY 0x072 /* eDP 1.4b */
-#define DP_PSR2_SU_Y_GRANULARITY 0x074 /* eDP 1.4b */
-
-/*
- * 0x80-0x8f describe downstream port capabilities, but there are two layouts
- * based on whether DP_DETAILED_CAP_INFO_AVAILABLE was set. If it was not,
- * each port's descriptor is one byte wide. If it was set, each port's is
- * four bytes wide, starting with the one byte from the base info. As of
- * DP interop v1.1a only VGA defines additional detail.
- */
-
-/* offset 0 */
-#define DP_DOWNSTREAM_PORT_0 0x80
-# define DP_DS_PORT_TYPE_MASK (7 << 0)
-# define DP_DS_PORT_TYPE_DP 0
-# define DP_DS_PORT_TYPE_VGA 1
-# define DP_DS_PORT_TYPE_DVI 2
-# define DP_DS_PORT_TYPE_HDMI 3
-# define DP_DS_PORT_TYPE_NON_EDID 4
-# define DP_DS_PORT_TYPE_DP_DUALMODE 5
-# define DP_DS_PORT_TYPE_WIRELESS 6
-# define DP_DS_PORT_HPD (1 << 3)
-# define DP_DS_NON_EDID_MASK (0xf << 4)
-# define DP_DS_NON_EDID_720x480i_60 (1 << 4)
-# define DP_DS_NON_EDID_720x480i_50 (2 << 4)
-# define DP_DS_NON_EDID_1920x1080i_60 (3 << 4)
-# define DP_DS_NON_EDID_1920x1080i_50 (4 << 4)
-# define DP_DS_NON_EDID_1280x720_60 (5 << 4)
-# define DP_DS_NON_EDID_1280x720_50 (7 << 4)
-/* offset 1 for VGA is maximum megapixels per second / 8 */
-/* offset 1 for DVI/HDMI is maximum TMDS clock in Mbps / 2.5 */
-/* offset 2 for VGA/DVI/HDMI */
-# define DP_DS_MAX_BPC_MASK (3 << 0)
-# define DP_DS_8BPC 0
-# define DP_DS_10BPC 1
-# define DP_DS_12BPC 2
-# define DP_DS_16BPC 3
-/* HDMI2.1 PCON FRL CONFIGURATION */
-# define DP_PCON_MAX_FRL_BW (7 << 2)
-# define DP_PCON_MAX_0GBPS (0 << 2)
-# define DP_PCON_MAX_9GBPS (1 << 2)
-# define DP_PCON_MAX_18GBPS (2 << 2)
-# define DP_PCON_MAX_24GBPS (3 << 2)
-# define DP_PCON_MAX_32GBPS (4 << 2)
-# define DP_PCON_MAX_40GBPS (5 << 2)
-# define DP_PCON_MAX_48GBPS (6 << 2)
-# define DP_PCON_SOURCE_CTL_MODE (1 << 5)
-
-/* offset 3 for DVI */
-# define DP_DS_DVI_DUAL_LINK (1 << 1)
-# define DP_DS_DVI_HIGH_COLOR_DEPTH (1 << 2)
-/* offset 3 for HDMI */
-# define DP_DS_HDMI_FRAME_SEQ_TO_FRAME_PACK (1 << 0)
-# define DP_DS_HDMI_YCBCR422_PASS_THROUGH (1 << 1)
-# define DP_DS_HDMI_YCBCR420_PASS_THROUGH (1 << 2)
-# define DP_DS_HDMI_YCBCR444_TO_422_CONV (1 << 3)
-# define DP_DS_HDMI_YCBCR444_TO_420_CONV (1 << 4)
-
-/*
- * VESA DP-to-HDMI PCON Specification adds caps for colorspace
- * conversion in DFP cap DPCD 83h. Sec6.1 Table-3.
- * Based on the available support the source can enable
- * color conversion by writing into PROTOCOL_COVERTER_CONTROL_2
- * DPCD 3052h.
- */
-# define DP_DS_HDMI_BT601_RGB_YCBCR_CONV (1 << 5)
-# define DP_DS_HDMI_BT709_RGB_YCBCR_CONV (1 << 6)
-# define DP_DS_HDMI_BT2020_RGB_YCBCR_CONV (1 << 7)
-
-#define DP_MAX_DOWNSTREAM_PORTS 0x10
-
-/* DP Forward error Correction Registers */
-#define DP_FEC_CAPABILITY 0x090 /* 1.4 */
-# define DP_FEC_CAPABLE (1 << 0)
-# define DP_FEC_UNCORR_BLK_ERROR_COUNT_CAP (1 << 1)
-# define DP_FEC_CORR_BLK_ERROR_COUNT_CAP (1 << 2)
-# define DP_FEC_BIT_ERROR_COUNT_CAP (1 << 3)
-#define DP_FEC_CAPABILITY_1 0x091 /* 2.0 */
-
-/* DP-HDMI2.1 PCON DSC ENCODER SUPPORT */
-#define DP_PCON_DSC_ENCODER_CAP_SIZE 0xC /* 0x9E - 0x92 */
-#define DP_PCON_DSC_ENCODER 0x092
-# define DP_PCON_DSC_ENCODER_SUPPORTED (1 << 0)
-# define DP_PCON_DSC_PPS_ENC_OVERRIDE (1 << 1)
-
-/* DP-HDMI2.1 PCON DSC Version */
-#define DP_PCON_DSC_VERSION 0x093
-# define DP_PCON_DSC_MAJOR_MASK (0xF << 0)
-# define DP_PCON_DSC_MINOR_MASK (0xF << 4)
-# define DP_PCON_DSC_MAJOR_SHIFT 0
-# define DP_PCON_DSC_MINOR_SHIFT 4
-
-/* DP-HDMI2.1 PCON DSC RC Buffer block size */
-#define DP_PCON_DSC_RC_BUF_BLK_INFO 0x094
-# define DP_PCON_DSC_RC_BUF_BLK_SIZE (0x3 << 0)
-# define DP_PCON_DSC_RC_BUF_BLK_1KB 0
-# define DP_PCON_DSC_RC_BUF_BLK_4KB 1
-# define DP_PCON_DSC_RC_BUF_BLK_16KB 2
-# define DP_PCON_DSC_RC_BUF_BLK_64KB 3
-
-/* DP-HDMI2.1 PCON DSC RC Buffer size */
-#define DP_PCON_DSC_RC_BUF_SIZE 0x095
-
-/* DP-HDMI2.1 PCON DSC Slice capabilities-1 */
-#define DP_PCON_DSC_SLICE_CAP_1 0x096
-# define DP_PCON_DSC_1_PER_DSC_ENC (0x1 << 0)
-# define DP_PCON_DSC_2_PER_DSC_ENC (0x1 << 1)
-# define DP_PCON_DSC_4_PER_DSC_ENC (0x1 << 3)
-# define DP_PCON_DSC_6_PER_DSC_ENC (0x1 << 4)
-# define DP_PCON_DSC_8_PER_DSC_ENC (0x1 << 5)
-# define DP_PCON_DSC_10_PER_DSC_ENC (0x1 << 6)
-# define DP_PCON_DSC_12_PER_DSC_ENC (0x1 << 7)
-
-#define DP_PCON_DSC_BUF_BIT_DEPTH 0x097
-# define DP_PCON_DSC_BIT_DEPTH_MASK (0xF << 0)
-# define DP_PCON_DSC_DEPTH_9_BITS 0
-# define DP_PCON_DSC_DEPTH_10_BITS 1
-# define DP_PCON_DSC_DEPTH_11_BITS 2
-# define DP_PCON_DSC_DEPTH_12_BITS 3
-# define DP_PCON_DSC_DEPTH_13_BITS 4
-# define DP_PCON_DSC_DEPTH_14_BITS 5
-# define DP_PCON_DSC_DEPTH_15_BITS 6
-# define DP_PCON_DSC_DEPTH_16_BITS 7
-# define DP_PCON_DSC_DEPTH_8_BITS 8
-
-#define DP_PCON_DSC_BLOCK_PREDICTION 0x098
-# define DP_PCON_DSC_BLOCK_PRED_SUPPORT (0x1 << 0)
-
-#define DP_PCON_DSC_ENC_COLOR_FMT_CAP 0x099
-# define DP_PCON_DSC_ENC_RGB (0x1 << 0)
-# define DP_PCON_DSC_ENC_YUV444 (0x1 << 1)
-# define DP_PCON_DSC_ENC_YUV422_S (0x1 << 2)
-# define DP_PCON_DSC_ENC_YUV422_N (0x1 << 3)
-# define DP_PCON_DSC_ENC_YUV420_N (0x1 << 4)
-
-#define DP_PCON_DSC_ENC_COLOR_DEPTH_CAP 0x09A
-# define DP_PCON_DSC_ENC_8BPC (0x1 << 1)
-# define DP_PCON_DSC_ENC_10BPC (0x1 << 2)
-# define DP_PCON_DSC_ENC_12BPC (0x1 << 3)
-
-#define DP_PCON_DSC_MAX_SLICE_WIDTH 0x09B
-
-/* DP-HDMI2.1 PCON DSC Slice capabilities-2 */
-#define DP_PCON_DSC_SLICE_CAP_2 0x09C
-# define DP_PCON_DSC_16_PER_DSC_ENC (0x1 << 0)
-# define DP_PCON_DSC_20_PER_DSC_ENC (0x1 << 1)
-# define DP_PCON_DSC_24_PER_DSC_ENC (0x1 << 2)
-
-/* DP-HDMI2.1 PCON HDMI TX Encoder Bits/pixel increment */
-#define DP_PCON_DSC_BPP_INCR 0x09E
-# define DP_PCON_DSC_BPP_INCR_MASK (0x7 << 0)
-# define DP_PCON_DSC_ONE_16TH_BPP 0
-# define DP_PCON_DSC_ONE_8TH_BPP 1
-# define DP_PCON_DSC_ONE_4TH_BPP 2
-# define DP_PCON_DSC_ONE_HALF_BPP 3
-# define DP_PCON_DSC_ONE_BPP 4
-
-/* DP Extended DSC Capabilities */
-#define DP_DSC_BRANCH_OVERALL_THROUGHPUT_0 0x0a0 /* DP 1.4a SCR */
-#define DP_DSC_BRANCH_OVERALL_THROUGHPUT_1 0x0a1
-#define DP_DSC_BRANCH_MAX_LINE_WIDTH 0x0a2
-
-/* DFP Capability Extension */
-#define DP_DFP_CAPABILITY_EXTENSION_SUPPORT 0x0a3 /* 2.0 */
-
-/* Link Configuration */
-#define DP_LINK_BW_SET 0x100
-# define DP_LINK_RATE_TABLE 0x00 /* eDP 1.4 */
-# define DP_LINK_BW_1_62 0x06
-# define DP_LINK_BW_2_7 0x0a
-# define DP_LINK_BW_5_4 0x14 /* 1.2 */
-# define DP_LINK_BW_8_1 0x1e /* 1.4 */
-# define DP_LINK_BW_10 0x01 /* 2.0 128b/132b Link Layer */
-# define DP_LINK_BW_13_5 0x04 /* 2.0 128b/132b Link Layer */
-# define DP_LINK_BW_20 0x02 /* 2.0 128b/132b Link Layer */
-
-#define DP_LANE_COUNT_SET 0x101
-# define DP_LANE_COUNT_MASK 0x0f
-# define DP_LANE_COUNT_ENHANCED_FRAME_EN (1 << 7)
-
-#define DP_TRAINING_PATTERN_SET 0x102
-# define DP_TRAINING_PATTERN_DISABLE 0
-# define DP_TRAINING_PATTERN_1 1
-# define DP_TRAINING_PATTERN_2 2
-# define DP_TRAINING_PATTERN_3 3 /* 1.2 */
-# define DP_TRAINING_PATTERN_4 7 /* 1.4 */
-# define DP_TRAINING_PATTERN_MASK 0x3
-# define DP_TRAINING_PATTERN_MASK_1_4 0xf
-
-/* DPCD 1.1 only. For DPCD >= 1.2 see per-lane DP_LINK_QUAL_LANEn_SET */
-# define DP_LINK_QUAL_PATTERN_11_DISABLE (0 << 2)
-# define DP_LINK_QUAL_PATTERN_11_D10_2 (1 << 2)
-# define DP_LINK_QUAL_PATTERN_11_ERROR_RATE (2 << 2)
-# define DP_LINK_QUAL_PATTERN_11_PRBS7 (3 << 2)
-# define DP_LINK_QUAL_PATTERN_11_MASK (3 << 2)
-
-# define DP_RECOVERED_CLOCK_OUT_EN (1 << 4)
-# define DP_LINK_SCRAMBLING_DISABLE (1 << 5)
-
-# define DP_SYMBOL_ERROR_COUNT_BOTH (0 << 6)
-# define DP_SYMBOL_ERROR_COUNT_DISPARITY (1 << 6)
-# define DP_SYMBOL_ERROR_COUNT_SYMBOL (2 << 6)
-# define DP_SYMBOL_ERROR_COUNT_MASK (3 << 6)
-
-#define DP_TRAINING_LANE0_SET 0x103
-#define DP_TRAINING_LANE1_SET 0x104
-#define DP_TRAINING_LANE2_SET 0x105
-#define DP_TRAINING_LANE3_SET 0x106
-
-# define DP_TRAIN_VOLTAGE_SWING_MASK 0x3
-# define DP_TRAIN_VOLTAGE_SWING_SHIFT 0
-# define DP_TRAIN_MAX_SWING_REACHED (1 << 2)
-# define DP_TRAIN_VOLTAGE_SWING_LEVEL_0 (0 << 0)
-# define DP_TRAIN_VOLTAGE_SWING_LEVEL_1 (1 << 0)
-# define DP_TRAIN_VOLTAGE_SWING_LEVEL_2 (2 << 0)
-# define DP_TRAIN_VOLTAGE_SWING_LEVEL_3 (3 << 0)
-
-# define DP_TRAIN_PRE_EMPHASIS_MASK (3 << 3)
-# define DP_TRAIN_PRE_EMPH_LEVEL_0 (0 << 3)
-# define DP_TRAIN_PRE_EMPH_LEVEL_1 (1 << 3)
-# define DP_TRAIN_PRE_EMPH_LEVEL_2 (2 << 3)
-# define DP_TRAIN_PRE_EMPH_LEVEL_3 (3 << 3)
-
-# define DP_TRAIN_PRE_EMPHASIS_SHIFT 3
-# define DP_TRAIN_MAX_PRE_EMPHASIS_REACHED (1 << 5)
-
-# define DP_TX_FFE_PRESET_VALUE_MASK (0xf << 0) /* 2.0 128b/132b Link Layer */
-
-#define DP_DOWNSPREAD_CTRL 0x107
-# define DP_SPREAD_AMP_0_5 (1 << 4)
-# define DP_MSA_TIMING_PAR_IGNORE_EN (1 << 7) /* eDP */
-
-#define DP_MAIN_LINK_CHANNEL_CODING_SET 0x108
-# define DP_SET_ANSI_8B10B (1 << 0)
-# define DP_SET_ANSI_128B132B (1 << 1)
-
-#define DP_I2C_SPEED_CONTROL_STATUS 0x109 /* DPI */
-/* bitmask as for DP_I2C_SPEED_CAP */
-
-#define DP_EDP_CONFIGURATION_SET 0x10a /* XXX 1.2? */
-# define DP_ALTERNATE_SCRAMBLER_RESET_ENABLE (1 << 0)
-# define DP_FRAMING_CHANGE_ENABLE (1 << 1)
-# define DP_PANEL_SELF_TEST_ENABLE (1 << 7)
-
-#define DP_LINK_QUAL_LANE0_SET 0x10b /* DPCD >= 1.2 */
-#define DP_LINK_QUAL_LANE1_SET 0x10c
-#define DP_LINK_QUAL_LANE2_SET 0x10d
-#define DP_LINK_QUAL_LANE3_SET 0x10e
-# define DP_LINK_QUAL_PATTERN_DISABLE 0
-# define DP_LINK_QUAL_PATTERN_D10_2 1
-# define DP_LINK_QUAL_PATTERN_ERROR_RATE 2
-# define DP_LINK_QUAL_PATTERN_PRBS7 3
-# define DP_LINK_QUAL_PATTERN_80BIT_CUSTOM 4
-# define DP_LINK_QUAL_PATTERN_CP2520_PAT_1 5
-# define DP_LINK_QUAL_PATTERN_CP2520_PAT_2 6
-# define DP_LINK_QUAL_PATTERN_CP2520_PAT_3 7
-/* DP 2.0 UHBR10, UHBR13.5, UHBR20 */
-# define DP_LINK_QUAL_PATTERN_128B132B_TPS1 0x08
-# define DP_LINK_QUAL_PATTERN_128B132B_TPS2 0x10
-# define DP_LINK_QUAL_PATTERN_PRSBS9 0x18
-# define DP_LINK_QUAL_PATTERN_PRSBS11 0x20
-# define DP_LINK_QUAL_PATTERN_PRSBS15 0x28
-# define DP_LINK_QUAL_PATTERN_PRSBS23 0x30
-# define DP_LINK_QUAL_PATTERN_PRSBS31 0x38
-# define DP_LINK_QUAL_PATTERN_CUSTOM 0x40
-# define DP_LINK_QUAL_PATTERN_SQUARE 0x48
-
-#define DP_TRAINING_LANE0_1_SET2 0x10f
-#define DP_TRAINING_LANE2_3_SET2 0x110
-# define DP_LANE02_POST_CURSOR2_SET_MASK (3 << 0)
-# define DP_LANE02_MAX_POST_CURSOR2_REACHED (1 << 2)
-# define DP_LANE13_POST_CURSOR2_SET_MASK (3 << 4)
-# define DP_LANE13_MAX_POST_CURSOR2_REACHED (1 << 6)
-
-#define DP_MSTM_CTRL 0x111 /* 1.2 */
-# define DP_MST_EN (1 << 0)
-# define DP_UP_REQ_EN (1 << 1)
-# define DP_UPSTREAM_IS_SRC (1 << 2)
-
-#define DP_AUDIO_DELAY0 0x112 /* 1.2 */
-#define DP_AUDIO_DELAY1 0x113
-#define DP_AUDIO_DELAY2 0x114
-
-#define DP_LINK_RATE_SET 0x115 /* eDP 1.4 */
-# define DP_LINK_RATE_SET_SHIFT 0
-# define DP_LINK_RATE_SET_MASK (7 << 0)
-
-#define DP_RECEIVER_ALPM_CONFIG 0x116 /* eDP 1.4 */
-# define DP_ALPM_ENABLE (1 << 0)
-# define DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE (1 << 1)
-
-#define DP_SINK_DEVICE_AUX_FRAME_SYNC_CONF 0x117 /* eDP 1.4 */
-# define DP_AUX_FRAME_SYNC_ENABLE (1 << 0)
-# define DP_IRQ_HPD_ENABLE (1 << 1)
-
-#define DP_UPSTREAM_DEVICE_DP_PWR_NEED 0x118 /* 1.2 */
-# define DP_PWR_NOT_NEEDED (1 << 0)
-
-#define DP_FEC_CONFIGURATION 0x120 /* 1.4 */
-# define DP_FEC_READY (1 << 0)
-# define DP_FEC_ERR_COUNT_SEL_MASK (7 << 1)
-# define DP_FEC_ERR_COUNT_DIS (0 << 1)
-# define DP_FEC_UNCORR_BLK_ERROR_COUNT (1 << 1)
-# define DP_FEC_CORR_BLK_ERROR_COUNT (2 << 1)
-# define DP_FEC_BIT_ERROR_COUNT (3 << 1)
-# define DP_FEC_LANE_SELECT_MASK (3 << 4)
-# define DP_FEC_LANE_0_SELECT (0 << 4)
-# define DP_FEC_LANE_1_SELECT (1 << 4)
-# define DP_FEC_LANE_2_SELECT (2 << 4)
-# define DP_FEC_LANE_3_SELECT (3 << 4)
-
-#define DP_AUX_FRAME_SYNC_VALUE 0x15c /* eDP 1.4 */
-# define DP_AUX_FRAME_SYNC_VALID (1 << 0)
-
-#define DP_DSC_ENABLE 0x160 /* DP 1.4 */
-# define DP_DECOMPRESSION_EN (1 << 0)
-#define DP_DSC_CONFIGURATION 0x161 /* DP 2.0 */
-
-#define DP_PSR_EN_CFG 0x170 /* XXX 1.2? */
-# define DP_PSR_ENABLE BIT(0)
-# define DP_PSR_MAIN_LINK_ACTIVE BIT(1)
-# define DP_PSR_CRC_VERIFICATION BIT(2)
-# define DP_PSR_FRAME_CAPTURE BIT(3)
-# define DP_PSR_SU_REGION_SCANLINE_CAPTURE BIT(4) /* eDP 1.4a */
-# define DP_PSR_IRQ_HPD_WITH_CRC_ERRORS BIT(5) /* eDP 1.4a */
-# define DP_PSR_ENABLE_PSR2 BIT(6) /* eDP 1.4a */
-
-#define DP_ADAPTER_CTRL 0x1a0
-# define DP_ADAPTER_CTRL_FORCE_LOAD_SENSE (1 << 0)
-
-#define DP_BRANCH_DEVICE_CTRL 0x1a1
-# define DP_BRANCH_DEVICE_IRQ_HPD (1 << 0)
-
-#define DP_PAYLOAD_ALLOCATE_SET 0x1c0
-#define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1
-#define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2
-
-/* Link/Sink Device Status */
-#define DP_SINK_COUNT 0x200
-/* prior to 1.2 bit 7 was reserved mbz */
-# define DP_GET_SINK_COUNT(x) ((((x) & 0x80) >> 1) | ((x) & 0x3f))
-# define DP_SINK_CP_READY (1 << 6)
-
-#define DP_DEVICE_SERVICE_IRQ_VECTOR 0x201
-# define DP_REMOTE_CONTROL_COMMAND_PENDING (1 << 0)
-# define DP_AUTOMATED_TEST_REQUEST (1 << 1)
-# define DP_CP_IRQ (1 << 2)
-# define DP_MCCS_IRQ (1 << 3)
-# define DP_DOWN_REP_MSG_RDY (1 << 4) /* 1.2 MST */
-# define DP_UP_REQ_MSG_RDY (1 << 5) /* 1.2 MST */
-# define DP_SINK_SPECIFIC_IRQ (1 << 6)
-
-#define DP_LANE0_1_STATUS 0x202
-#define DP_LANE2_3_STATUS 0x203
-# define DP_LANE_CR_DONE (1 << 0)
-# define DP_LANE_CHANNEL_EQ_DONE (1 << 1)
-# define DP_LANE_SYMBOL_LOCKED (1 << 2)
-
-#define DP_CHANNEL_EQ_BITS (DP_LANE_CR_DONE | \
- DP_LANE_CHANNEL_EQ_DONE | \
- DP_LANE_SYMBOL_LOCKED)
-
-#define DP_LANE_ALIGN_STATUS_UPDATED 0x204
-
-#define DP_INTERLANE_ALIGN_DONE (1 << 0)
-#define DP_DOWNSTREAM_PORT_STATUS_CHANGED (1 << 6)
-#define DP_LINK_STATUS_UPDATED (1 << 7)
-
-#define DP_SINK_STATUS 0x205
-# define DP_RECEIVE_PORT_0_STATUS (1 << 0)
-# define DP_RECEIVE_PORT_1_STATUS (1 << 1)
-# define DP_STREAM_REGENERATION_STATUS (1 << 2) /* 2.0 */
-# define DP_INTRA_HOP_AUX_REPLY_INDICATION (1 << 3) /* 2.0 */
-
-#define DP_ADJUST_REQUEST_LANE0_1 0x206
-#define DP_ADJUST_REQUEST_LANE2_3 0x207
-# define DP_ADJUST_VOLTAGE_SWING_LANE0_MASK 0x03
-# define DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT 0
-# define DP_ADJUST_PRE_EMPHASIS_LANE0_MASK 0x0c
-# define DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT 2
-# define DP_ADJUST_VOLTAGE_SWING_LANE1_MASK 0x30
-# define DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT 4
-# define DP_ADJUST_PRE_EMPHASIS_LANE1_MASK 0xc0
-# define DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT 6
-
-/* DP 2.0 128b/132b Link Layer */
-# define DP_ADJUST_TX_FFE_PRESET_LANE0_MASK (0xf << 0)
-# define DP_ADJUST_TX_FFE_PRESET_LANE0_SHIFT 0
-# define DP_ADJUST_TX_FFE_PRESET_LANE1_MASK (0xf << 4)
-# define DP_ADJUST_TX_FFE_PRESET_LANE1_SHIFT 4
-
-#define DP_ADJUST_REQUEST_POST_CURSOR2 0x20c
-# define DP_ADJUST_POST_CURSOR2_LANE0_MASK 0x03
-# define DP_ADJUST_POST_CURSOR2_LANE0_SHIFT 0
-# define DP_ADJUST_POST_CURSOR2_LANE1_MASK 0x0c
-# define DP_ADJUST_POST_CURSOR2_LANE1_SHIFT 2
-# define DP_ADJUST_POST_CURSOR2_LANE2_MASK 0x30
-# define DP_ADJUST_POST_CURSOR2_LANE2_SHIFT 4
-# define DP_ADJUST_POST_CURSOR2_LANE3_MASK 0xc0
-# define DP_ADJUST_POST_CURSOR2_LANE3_SHIFT 6
-
-#define DP_TEST_REQUEST 0x218
-# define DP_TEST_LINK_TRAINING (1 << 0)
-# define DP_TEST_LINK_VIDEO_PATTERN (1 << 1)
-# define DP_TEST_LINK_EDID_READ (1 << 2)
-# define DP_TEST_LINK_PHY_TEST_PATTERN (1 << 3) /* DPCD >= 1.1 */
-# define DP_TEST_LINK_FAUX_PATTERN (1 << 4) /* DPCD >= 1.2 */
-# define DP_TEST_LINK_AUDIO_PATTERN (1 << 5) /* DPCD >= 1.2 */
-# define DP_TEST_LINK_AUDIO_DISABLED_VIDEO (1 << 6) /* DPCD >= 1.2 */
-
-#define DP_TEST_LINK_RATE 0x219
-# define DP_LINK_RATE_162 (0x6)
-# define DP_LINK_RATE_27 (0xa)
-
-#define DP_TEST_LANE_COUNT 0x220
-
-#define DP_TEST_PATTERN 0x221
-# define DP_NO_TEST_PATTERN 0x0
-# define DP_COLOR_RAMP 0x1
-# define DP_BLACK_AND_WHITE_VERTICAL_LINES 0x2
-# define DP_COLOR_SQUARE 0x3
-
-#define DP_TEST_H_TOTAL_HI 0x222
-#define DP_TEST_H_TOTAL_LO 0x223
-
-#define DP_TEST_V_TOTAL_HI 0x224
-#define DP_TEST_V_TOTAL_LO 0x225
-
-#define DP_TEST_H_START_HI 0x226
-#define DP_TEST_H_START_LO 0x227
-
-#define DP_TEST_V_START_HI 0x228
-#define DP_TEST_V_START_LO 0x229
-
-#define DP_TEST_HSYNC_HI 0x22A
-# define DP_TEST_HSYNC_POLARITY (1 << 7)
-# define DP_TEST_HSYNC_WIDTH_HI_MASK (127 << 0)
-#define DP_TEST_HSYNC_WIDTH_LO 0x22B
-
-#define DP_TEST_VSYNC_HI 0x22C
-# define DP_TEST_VSYNC_POLARITY (1 << 7)
-# define DP_TEST_VSYNC_WIDTH_HI_MASK (127 << 0)
-#define DP_TEST_VSYNC_WIDTH_LO 0x22D
-
-#define DP_TEST_H_WIDTH_HI 0x22E
-#define DP_TEST_H_WIDTH_LO 0x22F
-
-#define DP_TEST_V_HEIGHT_HI 0x230
-#define DP_TEST_V_HEIGHT_LO 0x231
-
-#define DP_TEST_MISC0 0x232
-# define DP_TEST_SYNC_CLOCK (1 << 0)
-# define DP_TEST_COLOR_FORMAT_MASK (3 << 1)
-# define DP_TEST_COLOR_FORMAT_SHIFT 1
-# define DP_COLOR_FORMAT_RGB (0 << 1)
-# define DP_COLOR_FORMAT_YCbCr422 (1 << 1)
-# define DP_COLOR_FORMAT_YCbCr444 (2 << 1)
-# define DP_TEST_DYNAMIC_RANGE_VESA (0 << 3)
-# define DP_TEST_DYNAMIC_RANGE_CEA (1 << 3)
-# define DP_TEST_YCBCR_COEFFICIENTS (1 << 4)
-# define DP_YCBCR_COEFFICIENTS_ITU601 (0 << 4)
-# define DP_YCBCR_COEFFICIENTS_ITU709 (1 << 4)
-# define DP_TEST_BIT_DEPTH_MASK (7 << 5)
-# define DP_TEST_BIT_DEPTH_SHIFT 5
-# define DP_TEST_BIT_DEPTH_6 (0 << 5)
-# define DP_TEST_BIT_DEPTH_8 (1 << 5)
-# define DP_TEST_BIT_DEPTH_10 (2 << 5)
-# define DP_TEST_BIT_DEPTH_12 (3 << 5)
-# define DP_TEST_BIT_DEPTH_16 (4 << 5)
-
-#define DP_TEST_MISC1 0x233
-# define DP_TEST_REFRESH_DENOMINATOR (1 << 0)
-# define DP_TEST_INTERLACED (1 << 1)
-
-#define DP_TEST_REFRESH_RATE_NUMERATOR 0x234
-
-#define DP_TEST_MISC0 0x232
-
-#define DP_TEST_CRC_R_CR 0x240
-#define DP_TEST_CRC_G_Y 0x242
-#define DP_TEST_CRC_B_CB 0x244
-
-#define DP_TEST_SINK_MISC 0x246
-# define DP_TEST_CRC_SUPPORTED (1 << 5)
-# define DP_TEST_COUNT_MASK 0xf
-
-#define DP_PHY_TEST_PATTERN 0x248
-# define DP_PHY_TEST_PATTERN_SEL_MASK 0x7
-# define DP_PHY_TEST_PATTERN_NONE 0x0
-# define DP_PHY_TEST_PATTERN_D10_2 0x1
-# define DP_PHY_TEST_PATTERN_ERROR_COUNT 0x2
-# define DP_PHY_TEST_PATTERN_PRBS7 0x3
-# define DP_PHY_TEST_PATTERN_80BIT_CUSTOM 0x4
-# define DP_PHY_TEST_PATTERN_CP2520 0x5
-
-#define DP_PHY_SQUARE_PATTERN 0x249
-
-#define DP_TEST_HBR2_SCRAMBLER_RESET 0x24A
-#define DP_TEST_80BIT_CUSTOM_PATTERN_7_0 0x250
-#define DP_TEST_80BIT_CUSTOM_PATTERN_15_8 0x251
-#define DP_TEST_80BIT_CUSTOM_PATTERN_23_16 0x252
-#define DP_TEST_80BIT_CUSTOM_PATTERN_31_24 0x253
-#define DP_TEST_80BIT_CUSTOM_PATTERN_39_32 0x254
-#define DP_TEST_80BIT_CUSTOM_PATTERN_47_40 0x255
-#define DP_TEST_80BIT_CUSTOM_PATTERN_55_48 0x256
-#define DP_TEST_80BIT_CUSTOM_PATTERN_63_56 0x257
-#define DP_TEST_80BIT_CUSTOM_PATTERN_71_64 0x258
-#define DP_TEST_80BIT_CUSTOM_PATTERN_79_72 0x259
-
-#define DP_TEST_RESPONSE 0x260
-# define DP_TEST_ACK (1 << 0)
-# define DP_TEST_NAK (1 << 1)
-# define DP_TEST_EDID_CHECKSUM_WRITE (1 << 2)
-
-#define DP_TEST_EDID_CHECKSUM 0x261
-
-#define DP_TEST_SINK 0x270
-# define DP_TEST_SINK_START (1 << 0)
-#define DP_TEST_AUDIO_MODE 0x271
-#define DP_TEST_AUDIO_PATTERN_TYPE 0x272
-#define DP_TEST_AUDIO_PERIOD_CH1 0x273
-#define DP_TEST_AUDIO_PERIOD_CH2 0x274
-#define DP_TEST_AUDIO_PERIOD_CH3 0x275
-#define DP_TEST_AUDIO_PERIOD_CH4 0x276
-#define DP_TEST_AUDIO_PERIOD_CH5 0x277
-#define DP_TEST_AUDIO_PERIOD_CH6 0x278
-#define DP_TEST_AUDIO_PERIOD_CH7 0x279
-#define DP_TEST_AUDIO_PERIOD_CH8 0x27A
-
-#define DP_FEC_STATUS 0x280 /* 1.4 */
-# define DP_FEC_DECODE_EN_DETECTED (1 << 0)
-# define DP_FEC_DECODE_DIS_DETECTED (1 << 1)
-
-#define DP_FEC_ERROR_COUNT_LSB 0x0281 /* 1.4 */
-
-#define DP_FEC_ERROR_COUNT_MSB 0x0282 /* 1.4 */
-# define DP_FEC_ERROR_COUNT_MASK 0x7F
-# define DP_FEC_ERR_COUNT_VALID (1 << 7)
-
-#define DP_PAYLOAD_TABLE_UPDATE_STATUS 0x2c0 /* 1.2 MST */
-# define DP_PAYLOAD_TABLE_UPDATED (1 << 0)
-# define DP_PAYLOAD_ACT_HANDLED (1 << 1)
-
-#define DP_VC_PAYLOAD_ID_SLOT_1 0x2c1 /* 1.2 MST */
-/* up to ID_SLOT_63 at 0x2ff */
-
-/* Source Device-specific */
-#define DP_SOURCE_OUI 0x300
-
-/* Sink Device-specific */
-#define DP_SINK_OUI 0x400
-
-/* Branch Device-specific */
-#define DP_BRANCH_OUI 0x500
-#define DP_BRANCH_ID 0x503
-#define DP_BRANCH_REVISION_START 0x509
-#define DP_BRANCH_HW_REV 0x509
-#define DP_BRANCH_SW_REV 0x50A
-
-/* Link/Sink Device Power Control */
-#define DP_SET_POWER 0x600
-# define DP_SET_POWER_D0 0x1
-# define DP_SET_POWER_D3 0x2
-# define DP_SET_POWER_MASK 0x3
-# define DP_SET_POWER_D3_AUX_ON 0x5
-
-/* eDP-specific */
-#define DP_EDP_DPCD_REV 0x700 /* eDP 1.2 */
-# define DP_EDP_11 0x00
-# define DP_EDP_12 0x01
-# define DP_EDP_13 0x02
-# define DP_EDP_14 0x03
-# define DP_EDP_14a 0x04 /* eDP 1.4a */
-# define DP_EDP_14b 0x05 /* eDP 1.4b */
-
-#define DP_EDP_GENERAL_CAP_1 0x701
-# define DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP (1 << 0)
-# define DP_EDP_BACKLIGHT_PIN_ENABLE_CAP (1 << 1)
-# define DP_EDP_BACKLIGHT_AUX_ENABLE_CAP (1 << 2)
-# define DP_EDP_PANEL_SELF_TEST_PIN_ENABLE_CAP (1 << 3)
-# define DP_EDP_PANEL_SELF_TEST_AUX_ENABLE_CAP (1 << 4)
-# define DP_EDP_FRC_ENABLE_CAP (1 << 5)
-# define DP_EDP_COLOR_ENGINE_CAP (1 << 6)
-# define DP_EDP_SET_POWER_CAP (1 << 7)
-
-#define DP_EDP_BACKLIGHT_ADJUSTMENT_CAP 0x702
-# define DP_EDP_BACKLIGHT_BRIGHTNESS_PWM_PIN_CAP (1 << 0)
-# define DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP (1 << 1)
-# define DP_EDP_BACKLIGHT_BRIGHTNESS_BYTE_COUNT (1 << 2)
-# define DP_EDP_BACKLIGHT_AUX_PWM_PRODUCT_CAP (1 << 3)
-# define DP_EDP_BACKLIGHT_FREQ_PWM_PIN_PASSTHRU_CAP (1 << 4)
-# define DP_EDP_BACKLIGHT_FREQ_AUX_SET_CAP (1 << 5)
-# define DP_EDP_DYNAMIC_BACKLIGHT_CAP (1 << 6)
-# define DP_EDP_VBLANK_BACKLIGHT_UPDATE_CAP (1 << 7)
-
-#define DP_EDP_GENERAL_CAP_2 0x703
-# define DP_EDP_OVERDRIVE_ENGINE_ENABLED (1 << 0)
-
-#define DP_EDP_GENERAL_CAP_3 0x704 /* eDP 1.4 */
-# define DP_EDP_X_REGION_CAP_MASK (0xf << 0)
-# define DP_EDP_X_REGION_CAP_SHIFT 0
-# define DP_EDP_Y_REGION_CAP_MASK (0xf << 4)
-# define DP_EDP_Y_REGION_CAP_SHIFT 4
-
-#define DP_EDP_DISPLAY_CONTROL_REGISTER 0x720
-# define DP_EDP_BACKLIGHT_ENABLE (1 << 0)
-# define DP_EDP_BLACK_VIDEO_ENABLE (1 << 1)
-# define DP_EDP_FRC_ENABLE (1 << 2)
-# define DP_EDP_COLOR_ENGINE_ENABLE (1 << 3)
-# define DP_EDP_VBLANK_BACKLIGHT_UPDATE_ENABLE (1 << 7)
-
-#define DP_EDP_BACKLIGHT_MODE_SET_REGISTER 0x721
-# define DP_EDP_BACKLIGHT_CONTROL_MODE_MASK (3 << 0)
-# define DP_EDP_BACKLIGHT_CONTROL_MODE_PWM (0 << 0)
-# define DP_EDP_BACKLIGHT_CONTROL_MODE_PRESET (1 << 0)
-# define DP_EDP_BACKLIGHT_CONTROL_MODE_DPCD (2 << 0)
-# define DP_EDP_BACKLIGHT_CONTROL_MODE_PRODUCT (3 << 0)
-# define DP_EDP_BACKLIGHT_FREQ_PWM_PIN_PASSTHRU_ENABLE (1 << 2)
-# define DP_EDP_BACKLIGHT_FREQ_AUX_SET_ENABLE (1 << 3)
-# define DP_EDP_DYNAMIC_BACKLIGHT_ENABLE (1 << 4)
-# define DP_EDP_REGIONAL_BACKLIGHT_ENABLE (1 << 5)
-# define DP_EDP_UPDATE_REGION_BRIGHTNESS (1 << 6) /* eDP 1.4 */
-
-#define DP_EDP_BACKLIGHT_BRIGHTNESS_MSB 0x722
-#define DP_EDP_BACKLIGHT_BRIGHTNESS_LSB 0x723
-
-#define DP_EDP_PWMGEN_BIT_COUNT 0x724
-#define DP_EDP_PWMGEN_BIT_COUNT_CAP_MIN 0x725
-#define DP_EDP_PWMGEN_BIT_COUNT_CAP_MAX 0x726
-# define DP_EDP_PWMGEN_BIT_COUNT_MASK (0x1f << 0)
-
-#define DP_EDP_BACKLIGHT_CONTROL_STATUS 0x727
-
-#define DP_EDP_BACKLIGHT_FREQ_SET 0x728
-# define DP_EDP_BACKLIGHT_FREQ_BASE_KHZ 27000
-
-#define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MSB 0x72a
-#define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MID 0x72b
-#define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_LSB 0x72c
-
-#define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_MSB 0x72d
-#define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_MID 0x72e
-#define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB 0x72f
-
-#define DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET 0x732
-#define DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET 0x733
-
-#define DP_EDP_REGIONAL_BACKLIGHT_BASE 0x740 /* eDP 1.4 */
-#define DP_EDP_REGIONAL_BACKLIGHT_0 0x741 /* eDP 1.4 */
-
-#define DP_EDP_MSO_LINK_CAPABILITIES 0x7a4 /* eDP 1.4 */
-# define DP_EDP_MSO_NUMBER_OF_LINKS_MASK (7 << 0)
-# define DP_EDP_MSO_NUMBER_OF_LINKS_SHIFT 0
-# define DP_EDP_MSO_INDEPENDENT_LINK_BIT (1 << 3)
-
-/* Sideband MSG Buffers */
-#define DP_SIDEBAND_MSG_DOWN_REQ_BASE 0x1000 /* 1.2 MST */
-#define DP_SIDEBAND_MSG_UP_REP_BASE 0x1200 /* 1.2 MST */
-#define DP_SIDEBAND_MSG_DOWN_REP_BASE 0x1400 /* 1.2 MST */
-#define DP_SIDEBAND_MSG_UP_REQ_BASE 0x1600 /* 1.2 MST */
-
-/* DPRX Event Status Indicator */
-#define DP_SINK_COUNT_ESI 0x2002 /* same as 0x200 */
-#define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0 0x2003 /* same as 0x201 */
-
-#define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI1 0x2004 /* 1.2 */
-# define DP_RX_GTC_MSTR_REQ_STATUS_CHANGE (1 << 0)
-# define DP_LOCK_ACQUISITION_REQUEST (1 << 1)
-# define DP_CEC_IRQ (1 << 2)
-
-#define DP_LINK_SERVICE_IRQ_VECTOR_ESI0 0x2005 /* 1.2 */
-# define RX_CAP_CHANGED (1 << 0)
-# define LINK_STATUS_CHANGED (1 << 1)
-# define STREAM_STATUS_CHANGED (1 << 2)
-# define HDMI_LINK_STATUS_CHANGED (1 << 3)
-# define CONNECTED_OFF_ENTRY_REQUESTED (1 << 4)
-
-#define DP_PSR_ERROR_STATUS 0x2006 /* XXX 1.2? */
-# define DP_PSR_LINK_CRC_ERROR (1 << 0)
-# define DP_PSR_RFB_STORAGE_ERROR (1 << 1)
-# define DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR (1 << 2) /* eDP 1.4 */
-
-#define DP_PSR_ESI 0x2007 /* XXX 1.2? */
-# define DP_PSR_CAPS_CHANGE (1 << 0)
-
-#define DP_PSR_STATUS 0x2008 /* XXX 1.2? */
-# define DP_PSR_SINK_INACTIVE 0
-# define DP_PSR_SINK_ACTIVE_SRC_SYNCED 1
-# define DP_PSR_SINK_ACTIVE_RFB 2
-# define DP_PSR_SINK_ACTIVE_SINK_SYNCED 3
-# define DP_PSR_SINK_ACTIVE_RESYNC 4
-# define DP_PSR_SINK_INTERNAL_ERROR 7
-# define DP_PSR_SINK_STATE_MASK 0x07
-
-#define DP_SYNCHRONIZATION_LATENCY_IN_SINK 0x2009 /* edp 1.4 */
-# define DP_MAX_RESYNC_FRAME_COUNT_MASK (0xf << 0)
-# define DP_MAX_RESYNC_FRAME_COUNT_SHIFT 0
-# define DP_LAST_ACTUAL_SYNCHRONIZATION_LATENCY_MASK (0xf << 4)
-# define DP_LAST_ACTUAL_SYNCHRONIZATION_LATENCY_SHIFT 4
-
-#define DP_LAST_RECEIVED_PSR_SDP 0x200a /* eDP 1.2 */
-# define DP_PSR_STATE_BIT (1 << 0) /* eDP 1.2 */
-# define DP_UPDATE_RFB_BIT (1 << 1) /* eDP 1.2 */
-# define DP_CRC_VALID_BIT (1 << 2) /* eDP 1.2 */
-# define DP_SU_VALID (1 << 3) /* eDP 1.4 */
-# define DP_FIRST_SCAN_LINE_SU_REGION (1 << 4) /* eDP 1.4 */
-# define DP_LAST_SCAN_LINE_SU_REGION (1 << 5) /* eDP 1.4 */
-# define DP_Y_COORDINATE_VALID (1 << 6) /* eDP 1.4a */
-
-#define DP_RECEIVER_ALPM_STATUS 0x200b /* eDP 1.4 */
-# define DP_ALPM_LOCK_TIMEOUT_ERROR (1 << 0)
-
-#define DP_LANE0_1_STATUS_ESI 0x200c /* status same as 0x202 */
-#define DP_LANE2_3_STATUS_ESI 0x200d /* status same as 0x203 */
-#define DP_LANE_ALIGN_STATUS_UPDATED_ESI 0x200e /* status same as 0x204 */
-#define DP_SINK_STATUS_ESI 0x200f /* status same as 0x205 */
-
-/* Extended Receiver Capability: See DP_DPCD_REV for definitions */
-#define DP_DP13_DPCD_REV 0x2200
-
-#define DP_DPRX_FEATURE_ENUMERATION_LIST 0x2210 /* DP 1.3 */
-# define DP_GTC_CAP (1 << 0) /* DP 1.3 */
-# define DP_SST_SPLIT_SDP_CAP (1 << 1) /* DP 1.4 */
-# define DP_AV_SYNC_CAP (1 << 2) /* DP 1.3 */
-# define DP_VSC_SDP_EXT_FOR_COLORIMETRY_SUPPORTED (1 << 3) /* DP 1.3 */
-# define DP_VSC_EXT_VESA_SDP_SUPPORTED (1 << 4) /* DP 1.4 */
-# define DP_VSC_EXT_VESA_SDP_CHAINING_SUPPORTED (1 << 5) /* DP 1.4 */
-# define DP_VSC_EXT_CEA_SDP_SUPPORTED (1 << 6) /* DP 1.4 */
-# define DP_VSC_EXT_CEA_SDP_CHAINING_SUPPORTED (1 << 7) /* DP 1.4 */
-
-#define DP_128B132B_SUPPORTED_LINK_RATES 0x2215 /* 2.0 */
-# define DP_UHBR10 (1 << 0)
-# define DP_UHBR20 (1 << 1)
-# define DP_UHBR13_5 (1 << 2)
-
-#define DP_128B132B_TRAINING_AUX_RD_INTERVAL 0x2216 /* 2.0 */
-# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_MASK 0x7f
-# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_400_US 0x00
-# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_4_MS 0x01
-# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_8_MS 0x02
-# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_12_MS 0x03
-# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_16_MS 0x04
-# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_32_MS 0x05
-# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_64_MS 0x06
-
-#define DP_TEST_264BIT_CUSTOM_PATTERN_7_0 0x2230
-#define DP_TEST_264BIT_CUSTOM_PATTERN_263_256 0x2250
-
-/* DSC Extended Capability Branch Total DSC Resources */
-#define DP_DSC_SUPPORT_AND_DSC_DECODER_COUNT 0x2260 /* 2.0 */
-# define DP_DSC_DECODER_COUNT_MASK (0b111 << 5)
-# define DP_DSC_DECODER_COUNT_SHIFT 5
-#define DP_DSC_MAX_SLICE_COUNT_AND_AGGREGATION_0 0x2270 /* 2.0 */
-# define DP_DSC_DECODER_0_MAXIMUM_SLICE_COUNT_MASK (1 << 0)
-# define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_MASK (0b111 << 1)
-# define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_SHIFT 1
-
-/* Protocol Converter Extension */
-/* HDMI CEC tunneling over AUX DP 1.3 section 5.3.3.3.1 DPCD 1.4+ */
-#define DP_CEC_TUNNELING_CAPABILITY 0x3000
-# define DP_CEC_TUNNELING_CAPABLE (1 << 0)
-# define DP_CEC_SNOOPING_CAPABLE (1 << 1)
-# define DP_CEC_MULTIPLE_LA_CAPABLE (1 << 2)
-
-#define DP_CEC_TUNNELING_CONTROL 0x3001
-# define DP_CEC_TUNNELING_ENABLE (1 << 0)
-# define DP_CEC_SNOOPING_ENABLE (1 << 1)
-
-#define DP_CEC_RX_MESSAGE_INFO 0x3002
-# define DP_CEC_RX_MESSAGE_LEN_MASK (0xf << 0)
-# define DP_CEC_RX_MESSAGE_LEN_SHIFT 0
-# define DP_CEC_RX_MESSAGE_HPD_STATE (1 << 4)
-# define DP_CEC_RX_MESSAGE_HPD_LOST (1 << 5)
-# define DP_CEC_RX_MESSAGE_ACKED (1 << 6)
-# define DP_CEC_RX_MESSAGE_ENDED (1 << 7)
-
-#define DP_CEC_TX_MESSAGE_INFO 0x3003
-# define DP_CEC_TX_MESSAGE_LEN_MASK (0xf << 0)
-# define DP_CEC_TX_MESSAGE_LEN_SHIFT 0
-# define DP_CEC_TX_RETRY_COUNT_MASK (0x7 << 4)
-# define DP_CEC_TX_RETRY_COUNT_SHIFT 4
-# define DP_CEC_TX_MESSAGE_SEND (1 << 7)
-
-#define DP_CEC_TUNNELING_IRQ_FLAGS 0x3004
-# define DP_CEC_RX_MESSAGE_INFO_VALID (1 << 0)
-# define DP_CEC_RX_MESSAGE_OVERFLOW (1 << 1)
-# define DP_CEC_TX_MESSAGE_SENT (1 << 4)
-# define DP_CEC_TX_LINE_ERROR (1 << 5)
-# define DP_CEC_TX_ADDRESS_NACK_ERROR (1 << 6)
-# define DP_CEC_TX_DATA_NACK_ERROR (1 << 7)
-
-#define DP_CEC_LOGICAL_ADDRESS_MASK 0x300E /* 0x300F word */
-# define DP_CEC_LOGICAL_ADDRESS_0 (1 << 0)
-# define DP_CEC_LOGICAL_ADDRESS_1 (1 << 1)
-# define DP_CEC_LOGICAL_ADDRESS_2 (1 << 2)
-# define DP_CEC_LOGICAL_ADDRESS_3 (1 << 3)
-# define DP_CEC_LOGICAL_ADDRESS_4 (1 << 4)
-# define DP_CEC_LOGICAL_ADDRESS_5 (1 << 5)
-# define DP_CEC_LOGICAL_ADDRESS_6 (1 << 6)
-# define DP_CEC_LOGICAL_ADDRESS_7 (1 << 7)
-#define DP_CEC_LOGICAL_ADDRESS_MASK_2 0x300F /* 0x300E word */
-# define DP_CEC_LOGICAL_ADDRESS_8 (1 << 0)
-# define DP_CEC_LOGICAL_ADDRESS_9 (1 << 1)
-# define DP_CEC_LOGICAL_ADDRESS_10 (1 << 2)
-# define DP_CEC_LOGICAL_ADDRESS_11 (1 << 3)
-# define DP_CEC_LOGICAL_ADDRESS_12 (1 << 4)
-# define DP_CEC_LOGICAL_ADDRESS_13 (1 << 5)
-# define DP_CEC_LOGICAL_ADDRESS_14 (1 << 6)
-# define DP_CEC_LOGICAL_ADDRESS_15 (1 << 7)
-
-#define DP_CEC_RX_MESSAGE_BUFFER 0x3010
-#define DP_CEC_TX_MESSAGE_BUFFER 0x3020
-#define DP_CEC_MESSAGE_BUFFER_LENGTH 0x10
-
-/* PCON CONFIGURE-1 FRL FOR HDMI SINK */
-#define DP_PCON_HDMI_LINK_CONFIG_1 0x305A
-# define DP_PCON_ENABLE_MAX_FRL_BW (7 << 0)
-# define DP_PCON_ENABLE_MAX_BW_0GBPS 0
-# define DP_PCON_ENABLE_MAX_BW_9GBPS 1
-# define DP_PCON_ENABLE_MAX_BW_18GBPS 2
-# define DP_PCON_ENABLE_MAX_BW_24GBPS 3
-# define DP_PCON_ENABLE_MAX_BW_32GBPS 4
-# define DP_PCON_ENABLE_MAX_BW_40GBPS 5
-# define DP_PCON_ENABLE_MAX_BW_48GBPS 6
-# define DP_PCON_ENABLE_SOURCE_CTL_MODE (1 << 3)
-# define DP_PCON_ENABLE_CONCURRENT_LINK (1 << 4)
-# define DP_PCON_ENABLE_SEQUENTIAL_LINK (0 << 4)
-# define DP_PCON_ENABLE_LINK_FRL_MODE (1 << 5)
-# define DP_PCON_ENABLE_HPD_READY (1 << 6)
-# define DP_PCON_ENABLE_HDMI_LINK (1 << 7)
-
-/* PCON CONFIGURE-2 FRL FOR HDMI SINK */
-#define DP_PCON_HDMI_LINK_CONFIG_2 0x305B
-# define DP_PCON_MAX_LINK_BW_MASK (0x3F << 0)
-# define DP_PCON_FRL_BW_MASK_9GBPS (1 << 0)
-# define DP_PCON_FRL_BW_MASK_18GBPS (1 << 1)
-# define DP_PCON_FRL_BW_MASK_24GBPS (1 << 2)
-# define DP_PCON_FRL_BW_MASK_32GBPS (1 << 3)
-# define DP_PCON_FRL_BW_MASK_40GBPS (1 << 4)
-# define DP_PCON_FRL_BW_MASK_48GBPS (1 << 5)
-# define DP_PCON_FRL_LINK_TRAIN_EXTENDED (1 << 6)
-# define DP_PCON_FRL_LINK_TRAIN_NORMAL (0 << 6)
-
-/* PCON HDMI LINK STATUS */
-#define DP_PCON_HDMI_TX_LINK_STATUS 0x303B
-# define DP_PCON_HDMI_TX_LINK_ACTIVE (1 << 0)
-# define DP_PCON_FRL_READY (1 << 1)
-
-/* PCON HDMI POST FRL STATUS */
-#define DP_PCON_HDMI_POST_FRL_STATUS 0x3036
-# define DP_PCON_HDMI_LINK_MODE (1 << 0)
-# define DP_PCON_HDMI_MODE_TMDS 0
-# define DP_PCON_HDMI_MODE_FRL 1
-# define DP_PCON_HDMI_FRL_TRAINED_BW (0x3F << 1)
-# define DP_PCON_FRL_TRAINED_BW_9GBPS (1 << 1)
-# define DP_PCON_FRL_TRAINED_BW_18GBPS (1 << 2)
-# define DP_PCON_FRL_TRAINED_BW_24GBPS (1 << 3)
-# define DP_PCON_FRL_TRAINED_BW_32GBPS (1 << 4)
-# define DP_PCON_FRL_TRAINED_BW_40GBPS (1 << 5)
-# define DP_PCON_FRL_TRAINED_BW_48GBPS (1 << 6)
-
-#define DP_PROTOCOL_CONVERTER_CONTROL_0 0x3050 /* DP 1.3 */
-# define DP_HDMI_DVI_OUTPUT_CONFIG (1 << 0) /* DP 1.3 */
-#define DP_PROTOCOL_CONVERTER_CONTROL_1 0x3051 /* DP 1.3 */
-# define DP_CONVERSION_TO_YCBCR420_ENABLE (1 << 0) /* DP 1.3 */
-# define DP_HDMI_EDID_PROCESSING_DISABLE (1 << 1) /* DP 1.4 */
-# define DP_HDMI_AUTONOMOUS_SCRAMBLING_DISABLE (1 << 2) /* DP 1.4 */
-# define DP_HDMI_FORCE_SCRAMBLING (1 << 3) /* DP 1.4 */
-#define DP_PROTOCOL_CONVERTER_CONTROL_2 0x3052 /* DP 1.3 */
-# define DP_CONVERSION_TO_YCBCR422_ENABLE (1 << 0) /* DP 1.3 */
-# define DP_PCON_ENABLE_DSC_ENCODER (1 << 1)
-# define DP_PCON_ENCODER_PPS_OVERRIDE_MASK (0x3 << 2)
-# define DP_PCON_ENC_PPS_OVERRIDE_DISABLED 0
-# define DP_PCON_ENC_PPS_OVERRIDE_EN_PARAMS 1
-# define DP_PCON_ENC_PPS_OVERRIDE_EN_BUFFER 2
-# define DP_CONVERSION_RGB_YCBCR_MASK (7 << 4)
-# define DP_CONVERSION_BT601_RGB_YCBCR_ENABLE (1 << 4)
-# define DP_CONVERSION_BT709_RGB_YCBCR_ENABLE (1 << 5)
-# define DP_CONVERSION_BT2020_RGB_YCBCR_ENABLE (1 << 6)
-
-/* PCON Downstream HDMI ERROR Status per Lane */
-#define DP_PCON_HDMI_ERROR_STATUS_LN0 0x3037
-#define DP_PCON_HDMI_ERROR_STATUS_LN1 0x3038
-#define DP_PCON_HDMI_ERROR_STATUS_LN2 0x3039
-#define DP_PCON_HDMI_ERROR_STATUS_LN3 0x303A
-# define DP_PCON_HDMI_ERROR_COUNT_MASK (0x7 << 0)
-# define DP_PCON_HDMI_ERROR_COUNT_THREE_PLUS (1 << 0)
-# define DP_PCON_HDMI_ERROR_COUNT_TEN_PLUS (1 << 1)
-# define DP_PCON_HDMI_ERROR_COUNT_HUNDRED_PLUS (1 << 2)
-
-/* PCON HDMI CONFIG PPS Override Buffer
- * Valid Offsets to be added to Base : 0-127
- */
-#define DP_PCON_HDMI_PPS_OVERRIDE_BASE 0x3100
-
-/* PCON HDMI CONFIG PPS Override Parameter: Slice height
- * Offset-0 8LSBs of the Slice height.
- * Offset-1 8MSBs of the Slice height.
- */
-#define DP_PCON_HDMI_PPS_OVRD_SLICE_HEIGHT 0x3180
-
-/* PCON HDMI CONFIG PPS Override Parameter: Slice width
- * Offset-0 8LSBs of the Slice width.
- * Offset-1 8MSBs of the Slice width.
- */
-#define DP_PCON_HDMI_PPS_OVRD_SLICE_WIDTH 0x3182
-
-/* PCON HDMI CONFIG PPS Override Parameter: bits_per_pixel
- * Offset-0 8LSBs of the bits_per_pixel.
- * Offset-1 2MSBs of the bits_per_pixel.
- */
-#define DP_PCON_HDMI_PPS_OVRD_BPP 0x3184
-
-/* HDCP 1.3 and HDCP 2.2 */
-#define DP_AUX_HDCP_BKSV 0x68000
-#define DP_AUX_HDCP_RI_PRIME 0x68005
-#define DP_AUX_HDCP_AKSV 0x68007
-#define DP_AUX_HDCP_AN 0x6800C
-#define DP_AUX_HDCP_V_PRIME(h) (0x68014 + h * 4)
-#define DP_AUX_HDCP_BCAPS 0x68028
-# define DP_BCAPS_REPEATER_PRESENT BIT(1)
-# define DP_BCAPS_HDCP_CAPABLE BIT(0)
-#define DP_AUX_HDCP_BSTATUS 0x68029
-# define DP_BSTATUS_REAUTH_REQ BIT(3)
-# define DP_BSTATUS_LINK_FAILURE BIT(2)
-# define DP_BSTATUS_R0_PRIME_READY BIT(1)
-# define DP_BSTATUS_READY BIT(0)
-#define DP_AUX_HDCP_BINFO 0x6802A
-#define DP_AUX_HDCP_KSV_FIFO 0x6802C
-#define DP_AUX_HDCP_AINFO 0x6803B
-
-/* DP HDCP2.2 parameter offsets in DPCD address space */
-#define DP_HDCP_2_2_REG_RTX_OFFSET 0x69000
-#define DP_HDCP_2_2_REG_TXCAPS_OFFSET 0x69008
-#define DP_HDCP_2_2_REG_CERT_RX_OFFSET 0x6900B
-#define DP_HDCP_2_2_REG_RRX_OFFSET 0x69215
-#define DP_HDCP_2_2_REG_RX_CAPS_OFFSET 0x6921D
-#define DP_HDCP_2_2_REG_EKPUB_KM_OFFSET 0x69220
-#define DP_HDCP_2_2_REG_EKH_KM_WR_OFFSET 0x692A0
-#define DP_HDCP_2_2_REG_M_OFFSET 0x692B0
-#define DP_HDCP_2_2_REG_HPRIME_OFFSET 0x692C0
-#define DP_HDCP_2_2_REG_EKH_KM_RD_OFFSET 0x692E0
-#define DP_HDCP_2_2_REG_RN_OFFSET 0x692F0
-#define DP_HDCP_2_2_REG_LPRIME_OFFSET 0x692F8
-#define DP_HDCP_2_2_REG_EDKEY_KS_OFFSET 0x69318
-#define DP_HDCP_2_2_REG_RIV_OFFSET 0x69328
-#define DP_HDCP_2_2_REG_RXINFO_OFFSET 0x69330
-#define DP_HDCP_2_2_REG_SEQ_NUM_V_OFFSET 0x69332
-#define DP_HDCP_2_2_REG_VPRIME_OFFSET 0x69335
-#define DP_HDCP_2_2_REG_RECV_ID_LIST_OFFSET 0x69345
-#define DP_HDCP_2_2_REG_V_OFFSET 0x693E0
-#define DP_HDCP_2_2_REG_SEQ_NUM_M_OFFSET 0x693F0
-#define DP_HDCP_2_2_REG_K_OFFSET 0x693F3
-#define DP_HDCP_2_2_REG_STREAM_ID_TYPE_OFFSET 0x693F5
-#define DP_HDCP_2_2_REG_MPRIME_OFFSET 0x69473
-#define DP_HDCP_2_2_REG_RXSTATUS_OFFSET 0x69493
-#define DP_HDCP_2_2_REG_STREAM_TYPE_OFFSET 0x69494
-#define DP_HDCP_2_2_REG_DBG_OFFSET 0x69518
-
-/* LTTPR: Link Training (LT)-tunable PHY Repeaters */
-#define DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV 0xf0000 /* 1.3 */
-#define DP_MAX_LINK_RATE_PHY_REPEATER 0xf0001 /* 1.4a */
-#define DP_PHY_REPEATER_CNT 0xf0002 /* 1.3 */
-#define DP_PHY_REPEATER_MODE 0xf0003 /* 1.3 */
-#define DP_MAX_LANE_COUNT_PHY_REPEATER 0xf0004 /* 1.4a */
-#define DP_Repeater_FEC_CAPABILITY 0xf0004 /* 1.4 */
-#define DP_PHY_REPEATER_EXTENDED_WAIT_TIMEOUT 0xf0005 /* 1.4a */
-#define DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER 0xf0006 /* 2.0 */
-# define DP_PHY_REPEATER_128B132B_SUPPORTED (1 << 0)
-/* See DP_128B132B_SUPPORTED_LINK_RATES for values */
-#define DP_PHY_REPEATER_128B132B_RATES 0xf0007 /* 2.0 */
-
-enum drm_dp_phy {
- DP_PHY_DPRX,
-
- DP_PHY_LTTPR1,
- DP_PHY_LTTPR2,
- DP_PHY_LTTPR3,
- DP_PHY_LTTPR4,
- DP_PHY_LTTPR5,
- DP_PHY_LTTPR6,
- DP_PHY_LTTPR7,
- DP_PHY_LTTPR8,
-
- DP_MAX_LTTPR_COUNT = DP_PHY_LTTPR8,
-};
-
-#define DP_PHY_LTTPR(i) (DP_PHY_LTTPR1 + (i))
-
-#define __DP_LTTPR1_BASE 0xf0010 /* 1.3 */
-#define __DP_LTTPR2_BASE 0xf0060 /* 1.3 */
-#define DP_LTTPR_BASE(dp_phy) \
- (__DP_LTTPR1_BASE + (__DP_LTTPR2_BASE - __DP_LTTPR1_BASE) * \
- ((dp_phy) - DP_PHY_LTTPR1))
-
-#define DP_LTTPR_REG(dp_phy, lttpr1_reg) \
- (DP_LTTPR_BASE(dp_phy) - DP_LTTPR_BASE(DP_PHY_LTTPR1) + (lttpr1_reg))
-
-#define DP_TRAINING_PATTERN_SET_PHY_REPEATER1 0xf0010 /* 1.3 */
-#define DP_TRAINING_PATTERN_SET_PHY_REPEATER(dp_phy) \
- DP_LTTPR_REG(dp_phy, DP_TRAINING_PATTERN_SET_PHY_REPEATER1)
-
-#define DP_TRAINING_LANE0_SET_PHY_REPEATER1 0xf0011 /* 1.3 */
-#define DP_TRAINING_LANE0_SET_PHY_REPEATER(dp_phy) \
- DP_LTTPR_REG(dp_phy, DP_TRAINING_LANE0_SET_PHY_REPEATER1)
-
-#define DP_TRAINING_LANE1_SET_PHY_REPEATER1 0xf0012 /* 1.3 */
-#define DP_TRAINING_LANE2_SET_PHY_REPEATER1 0xf0013 /* 1.3 */
-#define DP_TRAINING_LANE3_SET_PHY_REPEATER1 0xf0014 /* 1.3 */
-#define DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1 0xf0020 /* 1.4a */
-#define DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER(dp_phy) \
- DP_LTTPR_REG(dp_phy, DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1)
-
-#define DP_TRANSMITTER_CAPABILITY_PHY_REPEATER1 0xf0021 /* 1.4a */
-# define DP_VOLTAGE_SWING_LEVEL_3_SUPPORTED BIT(0)
-# define DP_PRE_EMPHASIS_LEVEL_3_SUPPORTED BIT(1)
-
-#define DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1 0xf0022 /* 2.0 */
-#define DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER(dp_phy) \
- DP_LTTPR_REG(dp_phy, DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1)
-/* see DP_128B132B_TRAINING_AUX_RD_INTERVAL for values */
-
-#define DP_LANE0_1_STATUS_PHY_REPEATER1 0xf0030 /* 1.3 */
-#define DP_LANE0_1_STATUS_PHY_REPEATER(dp_phy) \
- DP_LTTPR_REG(dp_phy, DP_LANE0_1_STATUS_PHY_REPEATER1)
-
-#define DP_LANE2_3_STATUS_PHY_REPEATER1 0xf0031 /* 1.3 */
-
-#define DP_LANE_ALIGN_STATUS_UPDATED_PHY_REPEATER1 0xf0032 /* 1.3 */
-#define DP_ADJUST_REQUEST_LANE0_1_PHY_REPEATER1 0xf0033 /* 1.3 */
-#define DP_ADJUST_REQUEST_LANE2_3_PHY_REPEATER1 0xf0034 /* 1.3 */
-#define DP_SYMBOL_ERROR_COUNT_LANE0_PHY_REPEATER1 0xf0035 /* 1.3 */
-#define DP_SYMBOL_ERROR_COUNT_LANE1_PHY_REPEATER1 0xf0037 /* 1.3 */
-#define DP_SYMBOL_ERROR_COUNT_LANE2_PHY_REPEATER1 0xf0039 /* 1.3 */
-#define DP_SYMBOL_ERROR_COUNT_LANE3_PHY_REPEATER1 0xf003b /* 1.3 */
-
-#define __DP_FEC1_BASE 0xf0290 /* 1.4 */
-#define __DP_FEC2_BASE 0xf0298 /* 1.4 */
-#define DP_FEC_BASE(dp_phy) \
- (__DP_FEC1_BASE + ((__DP_FEC2_BASE - __DP_FEC1_BASE) * \
- ((dp_phy) - DP_PHY_LTTPR1)))
-
-#define DP_FEC_REG(dp_phy, fec1_reg) \
- (DP_FEC_BASE(dp_phy) - DP_FEC_BASE(DP_PHY_LTTPR1) + fec1_reg)
-
-#define DP_FEC_STATUS_PHY_REPEATER1 0xf0290 /* 1.4 */
-#define DP_FEC_STATUS_PHY_REPEATER(dp_phy) \
- DP_FEC_REG(dp_phy, DP_FEC_STATUS_PHY_REPEATER1)
-
-#define DP_FEC_ERROR_COUNT_PHY_REPEATER1 0xf0291 /* 1.4 */
-#define DP_FEC_CAPABILITY_PHY_REPEATER1 0xf0294 /* 1.4a */
-
-#define DP_LTTPR_MAX_ADD 0xf02ff /* 1.4 */
-
-#define DP_DPCD_MAX_ADD 0xfffff /* 1.4 */
-
-/* Repeater modes */
-#define DP_PHY_REPEATER_MODE_TRANSPARENT 0x55 /* 1.3 */
-#define DP_PHY_REPEATER_MODE_NON_TRANSPARENT 0xaa /* 1.3 */
-
-/* DP HDCP message start offsets in DPCD address space */
-#define DP_HDCP_2_2_AKE_INIT_OFFSET DP_HDCP_2_2_REG_RTX_OFFSET
-#define DP_HDCP_2_2_AKE_SEND_CERT_OFFSET DP_HDCP_2_2_REG_CERT_RX_OFFSET
-#define DP_HDCP_2_2_AKE_NO_STORED_KM_OFFSET DP_HDCP_2_2_REG_EKPUB_KM_OFFSET
-#define DP_HDCP_2_2_AKE_STORED_KM_OFFSET DP_HDCP_2_2_REG_EKH_KM_WR_OFFSET
-#define DP_HDCP_2_2_AKE_SEND_HPRIME_OFFSET DP_HDCP_2_2_REG_HPRIME_OFFSET
-#define DP_HDCP_2_2_AKE_SEND_PAIRING_INFO_OFFSET \
- DP_HDCP_2_2_REG_EKH_KM_RD_OFFSET
-#define DP_HDCP_2_2_LC_INIT_OFFSET DP_HDCP_2_2_REG_RN_OFFSET
-#define DP_HDCP_2_2_LC_SEND_LPRIME_OFFSET DP_HDCP_2_2_REG_LPRIME_OFFSET
-#define DP_HDCP_2_2_SKE_SEND_EKS_OFFSET DP_HDCP_2_2_REG_EDKEY_KS_OFFSET
-#define DP_HDCP_2_2_REP_SEND_RECVID_LIST_OFFSET DP_HDCP_2_2_REG_RXINFO_OFFSET
-#define DP_HDCP_2_2_REP_SEND_ACK_OFFSET DP_HDCP_2_2_REG_V_OFFSET
-#define DP_HDCP_2_2_REP_STREAM_MANAGE_OFFSET DP_HDCP_2_2_REG_SEQ_NUM_M_OFFSET
-#define DP_HDCP_2_2_REP_STREAM_READY_OFFSET DP_HDCP_2_2_REG_MPRIME_OFFSET
-
-#define HDCP_2_2_DP_RXSTATUS_LEN 1
-#define HDCP_2_2_DP_RXSTATUS_READY(x) ((x) & BIT(0))
-#define HDCP_2_2_DP_RXSTATUS_H_PRIME(x) ((x) & BIT(1))
-#define HDCP_2_2_DP_RXSTATUS_PAIRING(x) ((x) & BIT(2))
-#define HDCP_2_2_DP_RXSTATUS_REAUTH_REQ(x) ((x) & BIT(3))
-#define HDCP_2_2_DP_RXSTATUS_LINK_FAILED(x) ((x) & BIT(4))
-
-/* DP 1.2 Sideband message defines */
-/* peer device type - DP 1.2a Table 2-92 */
-#define DP_PEER_DEVICE_NONE 0x0
-#define DP_PEER_DEVICE_SOURCE_OR_SST 0x1
-#define DP_PEER_DEVICE_MST_BRANCHING 0x2
-#define DP_PEER_DEVICE_SST_SINK 0x3
-#define DP_PEER_DEVICE_DP_LEGACY_CONV 0x4
-
-/* DP 1.2 MST sideband request names DP 1.2a Table 2-80 */
-#define DP_GET_MSG_TRANSACTION_VERSION 0x00 /* DP 1.3 */
-#define DP_LINK_ADDRESS 0x01
-#define DP_CONNECTION_STATUS_NOTIFY 0x02
-#define DP_ENUM_PATH_RESOURCES 0x10
-#define DP_ALLOCATE_PAYLOAD 0x11
-#define DP_QUERY_PAYLOAD 0x12
-#define DP_RESOURCE_STATUS_NOTIFY 0x13
-#define DP_CLEAR_PAYLOAD_ID_TABLE 0x14
-#define DP_REMOTE_DPCD_READ 0x20
-#define DP_REMOTE_DPCD_WRITE 0x21
-#define DP_REMOTE_I2C_READ 0x22
-#define DP_REMOTE_I2C_WRITE 0x23
-#define DP_POWER_UP_PHY 0x24
-#define DP_POWER_DOWN_PHY 0x25
-#define DP_SINK_EVENT_NOTIFY 0x30
-#define DP_QUERY_STREAM_ENC_STATUS 0x38
-#define DP_QUERY_STREAM_ENC_STATUS_STATE_NO_EXIST 0
-#define DP_QUERY_STREAM_ENC_STATUS_STATE_INACTIVE 1
-#define DP_QUERY_STREAM_ENC_STATUS_STATE_ACTIVE 2
-
-/* DP 1.2 MST sideband reply types */
-#define DP_SIDEBAND_REPLY_ACK 0x00
-#define DP_SIDEBAND_REPLY_NAK 0x01
-
-/* DP 1.2 MST sideband nak reasons - table 2.84 */
-#define DP_NAK_WRITE_FAILURE 0x01
-#define DP_NAK_INVALID_READ 0x02
-#define DP_NAK_CRC_FAILURE 0x03
-#define DP_NAK_BAD_PARAM 0x04
-#define DP_NAK_DEFER 0x05
-#define DP_NAK_LINK_FAILURE 0x06
-#define DP_NAK_NO_RESOURCES 0x07
-#define DP_NAK_DPCD_FAIL 0x08
-#define DP_NAK_I2C_NAK 0x09
-#define DP_NAK_ALLOCATE_FAIL 0x0a
-
-#define MODE_I2C_START 1
-#define MODE_I2C_WRITE 2
-#define MODE_I2C_READ 4
-#define MODE_I2C_STOP 8
-
-/* DP 1.2 MST PORTs - Section 2.5.1 v1.2a spec */
-#define DP_MST_PHYSICAL_PORT_0 0
-#define DP_MST_LOGICAL_PORT_0 8
-
-#define DP_LINK_CONSTANT_N_VALUE 0x8000
-#define DP_LINK_STATUS_SIZE 6
-bool drm_dp_channel_eq_ok(const u8 link_status[DP_LINK_STATUS_SIZE],
- int lane_count);
-bool drm_dp_clock_recovery_ok(const u8 link_status[DP_LINK_STATUS_SIZE],
- int lane_count);
-u8 drm_dp_get_adjust_request_voltage(const u8 link_status[DP_LINK_STATUS_SIZE],
- int lane);
-u8 drm_dp_get_adjust_request_pre_emphasis(const u8 link_status[DP_LINK_STATUS_SIZE],
- int lane);
-u8 drm_dp_get_adjust_tx_ffe_preset(const u8 link_status[DP_LINK_STATUS_SIZE],
- int lane);
-u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZE],
- unsigned int lane);
-
-#define DP_BRANCH_OUI_HEADER_SIZE 0xc
-#define DP_RECEIVER_CAP_SIZE 0xf
-#define DP_DSC_RECEIVER_CAP_SIZE 0xf
-#define EDP_PSR_RECEIVER_CAP_SIZE 2
-#define EDP_DISPLAY_CTL_CAP_SIZE 3
-#define DP_LTTPR_COMMON_CAP_SIZE 8
-#define DP_LTTPR_PHY_CAP_SIZE 3
-
-int drm_dp_read_clock_recovery_delay(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- enum drm_dp_phy dp_phy, bool uhbr);
-int drm_dp_read_channel_eq_delay(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- enum drm_dp_phy dp_phy, bool uhbr);
-
-void drm_dp_link_train_clock_recovery_delay(const struct drm_dp_aux *aux,
- const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
-void drm_dp_lttpr_link_train_clock_recovery_delay(void);
-void drm_dp_link_train_channel_eq_delay(const struct drm_dp_aux *aux,
- const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
-void drm_dp_lttpr_link_train_channel_eq_delay(const struct drm_dp_aux *aux,
- const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
-
-u8 drm_dp_link_rate_to_bw_code(int link_rate);
-int drm_dp_bw_code_to_link_rate(u8 link_bw);
-
-#define DP_SDP_AUDIO_TIMESTAMP 0x01
-#define DP_SDP_AUDIO_STREAM 0x02
-#define DP_SDP_EXTENSION 0x04 /* DP 1.1 */
-#define DP_SDP_AUDIO_COPYMANAGEMENT 0x05 /* DP 1.2 */
-#define DP_SDP_ISRC 0x06 /* DP 1.2 */
-#define DP_SDP_VSC 0x07 /* DP 1.2 */
-#define DP_SDP_CAMERA_GENERIC(i) (0x08 + (i)) /* 0-7, DP 1.3 */
-#define DP_SDP_PPS 0x10 /* DP 1.4 */
-#define DP_SDP_VSC_EXT_VESA 0x20 /* DP 1.4 */
-#define DP_SDP_VSC_EXT_CEA 0x21 /* DP 1.4 */
-/* 0x80+ CEA-861 infoframe types */
-
-/**
- * struct dp_sdp_header - DP secondary data packet header
- * @HB0: Secondary Data Packet ID
- * @HB1: Secondary Data Packet Type
- * @HB2: Secondary Data Packet Specific header, Byte 0
- * @HB3: Secondary Data packet Specific header, Byte 1
- */
-struct dp_sdp_header {
- u8 HB0;
- u8 HB1;
- u8 HB2;
- u8 HB3;
-} __packed;
-
-#define EDP_SDP_HEADER_REVISION_MASK 0x1F
-#define EDP_SDP_HEADER_VALID_PAYLOAD_BYTES 0x1F
-#define DP_SDP_PPS_HEADER_PAYLOAD_BYTES_MINUS_1 0x7F
-
-/**
- * struct dp_sdp - DP secondary data packet
- * @sdp_header: DP secondary data packet header
- * @db: DP secondaray data packet data blocks
- * VSC SDP Payload for PSR
- * db[0]: Stereo Interface
- * db[1]: 0 - PSR State; 1 - Update RFB; 2 - CRC Valid
- * db[2]: CRC value bits 7:0 of the R or Cr component
- * db[3]: CRC value bits 15:8 of the R or Cr component
- * db[4]: CRC value bits 7:0 of the G or Y component
- * db[5]: CRC value bits 15:8 of the G or Y component
- * db[6]: CRC value bits 7:0 of the B or Cb component
- * db[7]: CRC value bits 15:8 of the B or Cb component
- * db[8] - db[31]: Reserved
- * VSC SDP Payload for Pixel Encoding/Colorimetry Format
- * db[0] - db[15]: Reserved
- * db[16]: Pixel Encoding and Colorimetry Formats
- * db[17]: Dynamic Range and Component Bit Depth
- * db[18]: Content Type
- * db[19] - db[31]: Reserved
- */
-struct dp_sdp {
- struct dp_sdp_header sdp_header;
- u8 db[32];
-} __packed;
-
-#define EDP_VSC_PSR_STATE_ACTIVE (1<<0)
-#define EDP_VSC_PSR_UPDATE_RFB (1<<1)
-#define EDP_VSC_PSR_CRC_VALUES_VALID (1<<2)
-
-/**
- * enum dp_pixelformat - drm DP Pixel encoding formats
- *
- * This enum is used to indicate DP VSC SDP Pixel encoding formats.
- * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
- * DB18]
- *
- * @DP_PIXELFORMAT_RGB: RGB pixel encoding format
- * @DP_PIXELFORMAT_YUV444: YCbCr 4:4:4 pixel encoding format
- * @DP_PIXELFORMAT_YUV422: YCbCr 4:2:2 pixel encoding format
- * @DP_PIXELFORMAT_YUV420: YCbCr 4:2:0 pixel encoding format
- * @DP_PIXELFORMAT_Y_ONLY: Y Only pixel encoding format
- * @DP_PIXELFORMAT_RAW: RAW pixel encoding format
- * @DP_PIXELFORMAT_RESERVED: Reserved pixel encoding format
- */
-enum dp_pixelformat {
- DP_PIXELFORMAT_RGB = 0,
- DP_PIXELFORMAT_YUV444 = 0x1,
- DP_PIXELFORMAT_YUV422 = 0x2,
- DP_PIXELFORMAT_YUV420 = 0x3,
- DP_PIXELFORMAT_Y_ONLY = 0x4,
- DP_PIXELFORMAT_RAW = 0x5,
- DP_PIXELFORMAT_RESERVED = 0x6,
-};
-
-/**
- * enum dp_colorimetry - drm DP Colorimetry formats
- *
- * This enum is used to indicate DP VSC SDP Colorimetry formats.
- * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
- * DB18] and a name of enum member follows DRM_MODE_COLORIMETRY definition.
- *
- * @DP_COLORIMETRY_DEFAULT: sRGB (IEC 61966-2-1) or
- * ITU-R BT.601 colorimetry format
- * @DP_COLORIMETRY_RGB_WIDE_FIXED: RGB wide gamut fixed point colorimetry format
- * @DP_COLORIMETRY_BT709_YCC: ITU-R BT.709 colorimetry format
- * @DP_COLORIMETRY_RGB_WIDE_FLOAT: RGB wide gamut floating point
- * (scRGB (IEC 61966-2-2)) colorimetry format
- * @DP_COLORIMETRY_XVYCC_601: xvYCC601 colorimetry format
- * @DP_COLORIMETRY_OPRGB: OpRGB colorimetry format
- * @DP_COLORIMETRY_XVYCC_709: xvYCC709 colorimetry format
- * @DP_COLORIMETRY_DCI_P3_RGB: DCI-P3 (SMPTE RP 431-2) colorimetry format
- * @DP_COLORIMETRY_SYCC_601: sYCC601 colorimetry format
- * @DP_COLORIMETRY_RGB_CUSTOM: RGB Custom Color Profile colorimetry format
- * @DP_COLORIMETRY_OPYCC_601: opYCC601 colorimetry format
- * @DP_COLORIMETRY_BT2020_RGB: ITU-R BT.2020 R' G' B' colorimetry format
- * @DP_COLORIMETRY_BT2020_CYCC: ITU-R BT.2020 Y'c C'bc C'rc colorimetry format
- * @DP_COLORIMETRY_BT2020_YCC: ITU-R BT.2020 Y' C'b C'r colorimetry format
- */
-enum dp_colorimetry {
- DP_COLORIMETRY_DEFAULT = 0,
- DP_COLORIMETRY_RGB_WIDE_FIXED = 0x1,
- DP_COLORIMETRY_BT709_YCC = 0x1,
- DP_COLORIMETRY_RGB_WIDE_FLOAT = 0x2,
- DP_COLORIMETRY_XVYCC_601 = 0x2,
- DP_COLORIMETRY_OPRGB = 0x3,
- DP_COLORIMETRY_XVYCC_709 = 0x3,
- DP_COLORIMETRY_DCI_P3_RGB = 0x4,
- DP_COLORIMETRY_SYCC_601 = 0x4,
- DP_COLORIMETRY_RGB_CUSTOM = 0x5,
- DP_COLORIMETRY_OPYCC_601 = 0x5,
- DP_COLORIMETRY_BT2020_RGB = 0x6,
- DP_COLORIMETRY_BT2020_CYCC = 0x6,
- DP_COLORIMETRY_BT2020_YCC = 0x7,
-};
-
-/**
- * enum dp_dynamic_range - drm DP Dynamic Range
- *
- * This enum is used to indicate DP VSC SDP Dynamic Range.
- * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
- * DB18]
- *
- * @DP_DYNAMIC_RANGE_VESA: VESA range
- * @DP_DYNAMIC_RANGE_CTA: CTA range
- */
-enum dp_dynamic_range {
- DP_DYNAMIC_RANGE_VESA = 0,
- DP_DYNAMIC_RANGE_CTA = 1,
-};
-
-/**
- * enum dp_content_type - drm DP Content Type
- *
- * This enum is used to indicate DP VSC SDP Content Types.
- * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
- * DB18]
- * CTA-861-G defines content types and expected processing by a sink device
- *
- * @DP_CONTENT_TYPE_NOT_DEFINED: Not defined type
- * @DP_CONTENT_TYPE_GRAPHICS: Graphics type
- * @DP_CONTENT_TYPE_PHOTO: Photo type
- * @DP_CONTENT_TYPE_VIDEO: Video type
- * @DP_CONTENT_TYPE_GAME: Game type
- */
-enum dp_content_type {
- DP_CONTENT_TYPE_NOT_DEFINED = 0x00,
- DP_CONTENT_TYPE_GRAPHICS = 0x01,
- DP_CONTENT_TYPE_PHOTO = 0x02,
- DP_CONTENT_TYPE_VIDEO = 0x03,
- DP_CONTENT_TYPE_GAME = 0x04,
-};
-
-/**
- * struct drm_dp_vsc_sdp - drm DP VSC SDP
- *
- * This structure represents a DP VSC SDP of drm
- * It is based on DP 1.4 spec [Table 2-116: VSC SDP Header Bytes] and
- * [Table 2-117: VSC SDP Payload for DB16 through DB18]
- *
- * @sdp_type: secondary-data packet type
- * @revision: revision number
- * @length: number of valid data bytes
- * @pixelformat: pixel encoding format
- * @colorimetry: colorimetry format
- * @bpc: bit per color
- * @dynamic_range: dynamic range information
- * @content_type: CTA-861-G defines content types and expected processing by a sink device
- */
-struct drm_dp_vsc_sdp {
- unsigned char sdp_type;
- unsigned char revision;
- unsigned char length;
- enum dp_pixelformat pixelformat;
- enum dp_colorimetry colorimetry;
- int bpc;
- enum dp_dynamic_range dynamic_range;
- enum dp_content_type content_type;
-};
-
-void drm_dp_vsc_sdp_log(const char *level, struct device *dev,
- const struct drm_dp_vsc_sdp *vsc);
-
-int drm_dp_psr_setup_time(const u8 psr_cap[EDP_PSR_RECEIVER_CAP_SIZE]);
-
-static inline int
-drm_dp_max_link_rate(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return drm_dp_bw_code_to_link_rate(dpcd[DP_MAX_LINK_RATE]);
-}
-
-static inline u8
-drm_dp_max_lane_count(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_MAX_LANE_COUNT] & DP_MAX_LANE_COUNT_MASK;
-}
-
-static inline bool
-drm_dp_enhanced_frame_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_DPCD_REV] >= 0x11 &&
- (dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP);
-}
-
-static inline bool
-drm_dp_fast_training_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_DPCD_REV] >= 0x11 &&
- (dpcd[DP_MAX_DOWNSPREAD] & DP_NO_AUX_HANDSHAKE_LINK_TRAINING);
-}
-
-static inline bool
-drm_dp_tps3_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_DPCD_REV] >= 0x12 &&
- dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED;
-}
-
-static inline bool
-drm_dp_tps4_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_DPCD_REV] >= 0x14 &&
- dpcd[DP_MAX_DOWNSPREAD] & DP_TPS4_SUPPORTED;
-}
-
-static inline u8
-drm_dp_training_pattern_mask(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return (dpcd[DP_DPCD_REV] >= 0x14) ? DP_TRAINING_PATTERN_MASK_1_4 :
- DP_TRAINING_PATTERN_MASK;
-}
-
-static inline bool
-drm_dp_is_branch(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_DOWNSTREAMPORT_PRESENT] & DP_DWN_STRM_PORT_PRESENT;
-}
-
-/* DP/eDP DSC support */
-u8 drm_dp_dsc_sink_max_slice_count(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE],
- bool is_edp);
-u8 drm_dp_dsc_sink_line_buf_depth(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]);
-int drm_dp_dsc_sink_supported_input_bpcs(const u8 dsc_dpc[DP_DSC_RECEIVER_CAP_SIZE],
- u8 dsc_bpc[3]);
-
-static inline bool
-drm_dp_sink_supports_dsc(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
-{
- return dsc_dpcd[DP_DSC_SUPPORT - DP_DSC_SUPPORT] &
- DP_DSC_DECOMPRESSION_IS_SUPPORTED;
-}
-
-static inline u16
-drm_edp_dsc_sink_output_bpp(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
-{
- return dsc_dpcd[DP_DSC_MAX_BITS_PER_PIXEL_LOW - DP_DSC_SUPPORT] |
- (dsc_dpcd[DP_DSC_MAX_BITS_PER_PIXEL_HI - DP_DSC_SUPPORT] &
- DP_DSC_MAX_BITS_PER_PIXEL_HI_MASK <<
- DP_DSC_MAX_BITS_PER_PIXEL_HI_SHIFT);
-}
-
-static inline u32
-drm_dp_dsc_sink_max_slice_width(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
-{
- /* Max Slicewidth = Number of Pixels * 320 */
- return dsc_dpcd[DP_DSC_MAX_SLICE_WIDTH - DP_DSC_SUPPORT] *
- DP_DSC_SLICE_WIDTH_MULTIPLIER;
-}
-
-/* Forward Error Correction Support on DP 1.4 */
-static inline bool
-drm_dp_sink_supports_fec(const u8 fec_capable)
-{
- return fec_capable & DP_FEC_CAPABLE;
-}
-
-static inline bool
-drm_dp_channel_coding_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_MAIN_LINK_CHANNEL_CODING] & DP_CAP_ANSI_8B10B;
-}
-
-static inline bool
-drm_dp_alternate_scrambler_reset_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_EDP_CONFIGURATION_CAP] &
- DP_ALTERNATE_SCRAMBLER_RESET_CAP;
-}
-
-/* Ignore MSA timing for Adaptive Sync support on DP 1.4 */
-static inline bool
-drm_dp_sink_can_do_video_without_timing_msa(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_DOWN_STREAM_PORT_COUNT] &
- DP_MSA_TIMING_PAR_IGNORED;
-}
-
-/**
- * drm_edp_backlight_supported() - Check an eDP DPCD for VESA backlight support
- * @edp_dpcd: The DPCD to check
- *
- * Note that currently this function will return %false for panels which support various DPCD
- * backlight features but which require the brightness be set through PWM, and don't support setting
- * the brightness level via the DPCD.
- *
- * Returns: %True if @edp_dpcd indicates that VESA backlight controls are supported, %false
- * otherwise
- */
-static inline bool
-drm_edp_backlight_supported(const u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE])
-{
- return !!(edp_dpcd[1] & DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP);
-}
-
-/*
- * DisplayPort AUX channel
- */
-
-/**
- * struct drm_dp_aux_msg - DisplayPort AUX channel transaction
- * @address: address of the (first) register to access
- * @request: contains the type of transaction (see DP_AUX_* macros)
- * @reply: upon completion, contains the reply type of the transaction
- * @buffer: pointer to a transmission or reception buffer
- * @size: size of @buffer
- */
-struct drm_dp_aux_msg {
- unsigned int address;
- u8 request;
- u8 reply;
- void *buffer;
- size_t size;
-};
-
-struct cec_adapter;
-struct edid;
-struct drm_connector;
-
-/**
- * struct drm_dp_aux_cec - DisplayPort CEC-Tunneling-over-AUX
- * @lock: mutex protecting this struct
- * @adap: the CEC adapter for CEC-Tunneling-over-AUX support.
- * @connector: the connector this CEC adapter is associated with
- * @unregister_work: unregister the CEC adapter
- */
-struct drm_dp_aux_cec {
- struct mutex lock;
- struct cec_adapter *adap;
- struct drm_connector *connector;
- struct delayed_work unregister_work;
-};
-
-/**
- * struct drm_dp_aux - DisplayPort AUX channel
- *
- * An AUX channel can also be used to transport I2C messages to a sink. A
- * typical application of that is to access an EDID that's present in the sink
- * device. The @transfer() function can also be used to execute such
- * transactions. The drm_dp_aux_register() function registers an I2C adapter
- * that can be passed to drm_probe_ddc(). Upon removal, drivers should call
- * drm_dp_aux_unregister() to remove the I2C adapter. The I2C adapter uses long
- * transfers by default; if a partial response is received, the adapter will
- * drop down to the size given by the partial response for this transaction
- * only.
- */
-struct drm_dp_aux {
- /**
- * @name: user-visible name of this AUX channel and the
- * I2C-over-AUX adapter.
- *
- * It's also used to specify the name of the I2C adapter. If set
- * to %NULL, dev_name() of @dev will be used.
- */
- const char *name;
-
- /**
- * @ddc: I2C adapter that can be used for I2C-over-AUX
- * communication
- */
- struct i2c_adapter ddc;
-
- /**
- * @dev: pointer to struct device that is the parent for this
- * AUX channel.
- */
- struct device *dev;
-
- /**
- * @drm_dev: pointer to the &drm_device that owns this AUX channel.
- * Beware, this may be %NULL before drm_dp_aux_register() has been
- * called.
- *
- * It should be set to the &drm_device that will be using this AUX
- * channel as early as possible. For many graphics drivers this should
- * happen before drm_dp_aux_init(), however it's perfectly fine to set
- * this field later so long as it's assigned before calling
- * drm_dp_aux_register().
- */
- struct drm_device *drm_dev;
-
- /**
- * @crtc: backpointer to the crtc that is currently using this
- * AUX channel
- */
- struct drm_crtc *crtc;
-
- /**
- * @hw_mutex: internal mutex used for locking transfers.
- *
- * Note that if the underlying hardware is shared among multiple
- * channels, the driver needs to do additional locking to
- * prevent concurrent access.
- */
- struct mutex hw_mutex;
-
- /**
- * @crc_work: worker that captures CRCs for each frame
- */
- struct work_struct crc_work;
-
- /**
- * @crc_count: counter of captured frame CRCs
- */
- u8 crc_count;
-
- /**
- * @transfer: transfers a message representing a single AUX
- * transaction.
- *
- * This is a hardware-specific implementation of how
- * transactions are executed that the drivers must provide.
- *
- * A pointer to a &drm_dp_aux_msg structure describing the
- * transaction is passed into this function. Upon success, the
- * implementation should return the number of payload bytes that
- * were transferred, or a negative error-code on failure.
- *
- * Helpers will propagate these errors, with the exception of
- * the %-EBUSY error, which causes a transaction to be retried.
- * On a short, helpers will return %-EPROTO to make it simpler
- * to check for failure.
- *
- * The @transfer() function must only modify the reply field of
- * the &drm_dp_aux_msg structure. The retry logic and i2c
- * helpers assume this is the case.
- *
- * Also note that this callback can be called no matter the
- * state @dev is in. Drivers that need that device to be powered
- * to perform this operation will first need to make sure it's
- * been properly enabled.
- */
- ssize_t (*transfer)(struct drm_dp_aux *aux,
- struct drm_dp_aux_msg *msg);
-
- /**
- * @i2c_nack_count: Counts I2C NACKs, used for DP validation.
- */
- unsigned i2c_nack_count;
- /**
- * @i2c_defer_count: Counts I2C DEFERs, used for DP validation.
- */
- unsigned i2c_defer_count;
- /**
- * @cec: struct containing fields used for CEC-Tunneling-over-AUX.
- */
- struct drm_dp_aux_cec cec;
- /**
- * @is_remote: Is this AUX CH actually using sideband messaging.
- */
- bool is_remote;
-};
-
-ssize_t drm_dp_dpcd_read(struct drm_dp_aux *aux, unsigned int offset,
- void *buffer, size_t size);
-ssize_t drm_dp_dpcd_write(struct drm_dp_aux *aux, unsigned int offset,
- void *buffer, size_t size);
-
-/**
- * drm_dp_dpcd_readb() - read a single byte from the DPCD
- * @aux: DisplayPort AUX channel
- * @offset: address of the register to read
- * @valuep: location where the value of the register will be stored
- *
- * Returns the number of bytes transferred (1) on success, or a negative
- * error code on failure.
- */
-static inline ssize_t drm_dp_dpcd_readb(struct drm_dp_aux *aux,
- unsigned int offset, u8 *valuep)
-{
- return drm_dp_dpcd_read(aux, offset, valuep, 1);
-}
-
-/**
- * drm_dp_dpcd_writeb() - write a single byte to the DPCD
- * @aux: DisplayPort AUX channel
- * @offset: address of the register to write
- * @value: value to write to the register
- *
- * Returns the number of bytes transferred (1) on success, or a negative
- * error code on failure.
- */
-static inline ssize_t drm_dp_dpcd_writeb(struct drm_dp_aux *aux,
- unsigned int offset, u8 value)
-{
- return drm_dp_dpcd_write(aux, offset, &value, 1);
-}
-
-int drm_dp_read_dpcd_caps(struct drm_dp_aux *aux,
- u8 dpcd[DP_RECEIVER_CAP_SIZE]);
-
-int drm_dp_dpcd_read_link_status(struct drm_dp_aux *aux,
- u8 status[DP_LINK_STATUS_SIZE]);
-
-int drm_dp_dpcd_read_phy_link_status(struct drm_dp_aux *aux,
- enum drm_dp_phy dp_phy,
- u8 link_status[DP_LINK_STATUS_SIZE]);
-
-bool drm_dp_send_real_edid_checksum(struct drm_dp_aux *aux,
- u8 real_edid_checksum);
-
-int drm_dp_read_downstream_info(struct drm_dp_aux *aux,
- const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS]);
-bool drm_dp_downstream_is_type(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4], u8 type);
-bool drm_dp_downstream_is_tmds(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4],
- const struct edid *edid);
-int drm_dp_downstream_max_dotclock(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4]);
-int drm_dp_downstream_max_tmds_clock(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4],
- const struct edid *edid);
-int drm_dp_downstream_min_tmds_clock(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4],
- const struct edid *edid);
-int drm_dp_downstream_max_bpc(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4],
- const struct edid *edid);
-bool drm_dp_downstream_420_passthrough(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4]);
-bool drm_dp_downstream_444_to_420_conversion(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4]);
-struct drm_display_mode *drm_dp_downstream_mode(struct drm_device *dev,
- const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4]);
-int drm_dp_downstream_id(struct drm_dp_aux *aux, char id[6]);
-void drm_dp_downstream_debug(struct seq_file *m,
- const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4],
- const struct edid *edid,
- struct drm_dp_aux *aux);
-enum drm_mode_subconnector
-drm_dp_subconnector_type(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4]);
-void drm_dp_set_subconnector_property(struct drm_connector *connector,
- enum drm_connector_status status,
- const u8 *dpcd,
- const u8 port_cap[4]);
-
-struct drm_dp_desc;
-bool drm_dp_read_sink_count_cap(struct drm_connector *connector,
- const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const struct drm_dp_desc *desc);
-int drm_dp_read_sink_count(struct drm_dp_aux *aux);
-
-int drm_dp_read_lttpr_common_caps(struct drm_dp_aux *aux,
- u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
-int drm_dp_read_lttpr_phy_caps(struct drm_dp_aux *aux,
- enum drm_dp_phy dp_phy,
- u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
-int drm_dp_lttpr_count(const u8 cap[DP_LTTPR_COMMON_CAP_SIZE]);
-int drm_dp_lttpr_max_link_rate(const u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
-int drm_dp_lttpr_max_lane_count(const u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
-bool drm_dp_lttpr_voltage_swing_level_3_supported(const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
-bool drm_dp_lttpr_pre_emphasis_level_3_supported(const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
-
-void drm_dp_remote_aux_init(struct drm_dp_aux *aux);
-void drm_dp_aux_init(struct drm_dp_aux *aux);
-int drm_dp_aux_register(struct drm_dp_aux *aux);
-void drm_dp_aux_unregister(struct drm_dp_aux *aux);
-
-int drm_dp_start_crc(struct drm_dp_aux *aux, struct drm_crtc *crtc);
-int drm_dp_stop_crc(struct drm_dp_aux *aux);
-
-struct drm_dp_dpcd_ident {
- u8 oui[3];
- u8 device_id[6];
- u8 hw_rev;
- u8 sw_major_rev;
- u8 sw_minor_rev;
-} __packed;
-
-/**
- * struct drm_dp_desc - DP branch/sink device descriptor
- * @ident: DP device identification from DPCD 0x400 (sink) or 0x500 (branch).
- * @quirks: Quirks; use drm_dp_has_quirk() to query for the quirks.
- */
-struct drm_dp_desc {
- struct drm_dp_dpcd_ident ident;
- u32 quirks;
-};
-
-int drm_dp_read_desc(struct drm_dp_aux *aux, struct drm_dp_desc *desc,
- bool is_branch);
-
-/**
- * enum drm_dp_quirk - Display Port sink/branch device specific quirks
- *
- * Display Port sink and branch devices in the wild have a variety of bugs, try
- * to collect them here. The quirks are shared, but it's up to the drivers to
- * implement workarounds for them.
- */
-enum drm_dp_quirk {
- /**
- * @DP_DPCD_QUIRK_CONSTANT_N:
- *
- * The device requires main link attributes Mvid and Nvid to be limited
- * to 16 bits. So will give a constant value (0x8000) for compatability.
- */
- DP_DPCD_QUIRK_CONSTANT_N,
- /**
- * @DP_DPCD_QUIRK_NO_PSR:
- *
- * The device does not support PSR even if reports that it supports or
- * driver still need to implement proper handling for such device.
- */
- DP_DPCD_QUIRK_NO_PSR,
- /**
- * @DP_DPCD_QUIRK_NO_SINK_COUNT:
- *
- * The device does not set SINK_COUNT to a non-zero value.
- * The driver should ignore SINK_COUNT during detection. Note that
- * drm_dp_read_sink_count_cap() automatically checks for this quirk.
- */
- DP_DPCD_QUIRK_NO_SINK_COUNT,
- /**
- * @DP_DPCD_QUIRK_DSC_WITHOUT_VIRTUAL_DPCD:
- *
- * The device supports MST DSC despite not supporting Virtual DPCD.
- * The DSC caps can be read from the physical aux instead.
- */
- DP_DPCD_QUIRK_DSC_WITHOUT_VIRTUAL_DPCD,
- /**
- * @DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS:
- *
- * The device supports a link rate of 3.24 Gbps (multiplier 0xc) despite
- * the DP_MAX_LINK_RATE register reporting a lower max multiplier.
- */
- DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS,
-};
-
-/**
- * drm_dp_has_quirk() - does the DP device have a specific quirk
- * @desc: Device descriptor filled by drm_dp_read_desc()
- * @quirk: Quirk to query for
- *
- * Return true if DP device identified by @desc has @quirk.
- */
-static inline bool
-drm_dp_has_quirk(const struct drm_dp_desc *desc, enum drm_dp_quirk quirk)
-{
- return desc->quirks & BIT(quirk);
-}
-
-/**
- * struct drm_edp_backlight_info - Probed eDP backlight info struct
- * @pwmgen_bit_count: The pwmgen bit count
- * @pwm_freq_pre_divider: The PWM frequency pre-divider value being used for this backlight, if any
- * @max: The maximum backlight level that may be set
- * @lsb_reg_used: Do we also write values to the DP_EDP_BACKLIGHT_BRIGHTNESS_LSB register?
- * @aux_enable: Does the panel support the AUX enable cap?
- * @aux_set: Does the panel support setting the brightness through AUX?
- *
- * This structure contains various data about an eDP backlight, which can be populated by using
- * drm_edp_backlight_init().
- */
-struct drm_edp_backlight_info {
- u8 pwmgen_bit_count;
- u8 pwm_freq_pre_divider;
- u16 max;
-
- bool lsb_reg_used : 1;
- bool aux_enable : 1;
- bool aux_set : 1;
-};
-
-int
-drm_edp_backlight_init(struct drm_dp_aux *aux, struct drm_edp_backlight_info *bl,
- u16 driver_pwm_freq_hz, const u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE],
- u16 *current_level, u8 *current_mode);
-int drm_edp_backlight_set_level(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl,
- u16 level);
-int drm_edp_backlight_enable(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl,
- u16 level);
-int drm_edp_backlight_disable(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl);
-
-#if IS_ENABLED(CONFIG_DRM_KMS_HELPER) && (IS_BUILTIN(CONFIG_BACKLIGHT_CLASS_DEVICE) || \
- (IS_MODULE(CONFIG_DRM_KMS_HELPER) && IS_MODULE(CONFIG_BACKLIGHT_CLASS_DEVICE)))
-
-int drm_panel_dp_aux_backlight(struct drm_panel *panel, struct drm_dp_aux *aux);
-
-#else
-
-static inline int drm_panel_dp_aux_backlight(struct drm_panel *panel,
- struct drm_dp_aux *aux)
-{
- return 0;
-}
-
-#endif
-
-#ifdef CONFIG_DRM_DP_CEC
-void drm_dp_cec_irq(struct drm_dp_aux *aux);
-void drm_dp_cec_register_connector(struct drm_dp_aux *aux,
- struct drm_connector *connector);
-void drm_dp_cec_unregister_connector(struct drm_dp_aux *aux);
-void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid);
-void drm_dp_cec_unset_edid(struct drm_dp_aux *aux);
-#else
-static inline void drm_dp_cec_irq(struct drm_dp_aux *aux)
-{
-}
-
-static inline void
-drm_dp_cec_register_connector(struct drm_dp_aux *aux,
- struct drm_connector *connector)
-{
-}
-
-static inline void drm_dp_cec_unregister_connector(struct drm_dp_aux *aux)
-{
-}
-
-static inline void drm_dp_cec_set_edid(struct drm_dp_aux *aux,
- const struct edid *edid)
-{
-}
-
-static inline void drm_dp_cec_unset_edid(struct drm_dp_aux *aux)
-{
-}
-
-#endif
-
-/**
- * struct drm_dp_phy_test_params - DP Phy Compliance parameters
- * @link_rate: Requested Link rate from DPCD 0x219
- * @num_lanes: Number of lanes requested by sing through DPCD 0x220
- * @phy_pattern: DP Phy test pattern from DPCD 0x248
- * @hbr2_reset: DP HBR2_COMPLIANCE_SCRAMBLER_RESET from DCPD 0x24A and 0x24B
- * @custom80: DP Test_80BIT_CUSTOM_PATTERN from DPCDs 0x250 through 0x259
- * @enhanced_frame_cap: flag for enhanced frame capability.
- */
-struct drm_dp_phy_test_params {
- int link_rate;
- u8 num_lanes;
- u8 phy_pattern;
- u8 hbr2_reset[2];
- u8 custom80[10];
- bool enhanced_frame_cap;
-};
-
-int drm_dp_get_phy_test_pattern(struct drm_dp_aux *aux,
- struct drm_dp_phy_test_params *data);
-int drm_dp_set_phy_test_pattern(struct drm_dp_aux *aux,
- struct drm_dp_phy_test_params *data, u8 dp_rev);
-int drm_dp_get_pcon_max_frl_bw(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4]);
-int drm_dp_pcon_frl_prepare(struct drm_dp_aux *aux, bool enable_frl_ready_hpd);
-bool drm_dp_pcon_is_frl_ready(struct drm_dp_aux *aux);
-int drm_dp_pcon_frl_configure_1(struct drm_dp_aux *aux, int max_frl_gbps,
- u8 frl_mode);
-int drm_dp_pcon_frl_configure_2(struct drm_dp_aux *aux, int max_frl_mask,
- u8 frl_type);
-int drm_dp_pcon_reset_frl_config(struct drm_dp_aux *aux);
-int drm_dp_pcon_frl_enable(struct drm_dp_aux *aux);
-
-bool drm_dp_pcon_hdmi_link_active(struct drm_dp_aux *aux);
-int drm_dp_pcon_hdmi_link_mode(struct drm_dp_aux *aux, u8 *frl_trained_mask);
-void drm_dp_pcon_hdmi_frl_link_error_count(struct drm_dp_aux *aux,
- struct drm_connector *connector);
-bool drm_dp_pcon_enc_is_dsc_1_2(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
-int drm_dp_pcon_dsc_max_slices(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
-int drm_dp_pcon_dsc_max_slice_width(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
-int drm_dp_pcon_dsc_bpp_incr(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
-int drm_dp_pcon_pps_default(struct drm_dp_aux *aux);
-int drm_dp_pcon_pps_override_buf(struct drm_dp_aux *aux, u8 pps_buf[128]);
-int drm_dp_pcon_pps_override_param(struct drm_dp_aux *aux, u8 pps_param[6]);
-bool drm_dp_downstream_rgb_to_ycbcr_conversion(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4], u8 color_spc);
-int drm_dp_pcon_convert_rgb_to_ycbcr(struct drm_dp_aux *aux, u8 color_spc);
-
-#endif /* _DRM_DP_HELPER_H_ */
+++ /dev/null
-/*
- * Copyright © 2014 Red Hat.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting documentation, and
- * that the name of the copyright holders not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. The copyright holders make no representations
- * about the suitability of this software for any purpose. It is provided "as
- * is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-#ifndef _DRM_DP_MST_HELPER_H_
-#define _DRM_DP_MST_HELPER_H_
-
-#include <linux/types.h>
-#include <drm/drm_dp_helper.h>
-#include <drm/drm_atomic.h>
-
-#if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS)
-#include <linux/stackdepot.h>
-#include <linux/timekeeping.h>
-
-enum drm_dp_mst_topology_ref_type {
- DRM_DP_MST_TOPOLOGY_REF_GET,
- DRM_DP_MST_TOPOLOGY_REF_PUT,
-};
-
-struct drm_dp_mst_topology_ref_history {
- struct drm_dp_mst_topology_ref_entry {
- enum drm_dp_mst_topology_ref_type type;
- int count;
- ktime_t ts_nsec;
- depot_stack_handle_t backtrace;
- } *entries;
- int len;
-};
-#endif /* IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS) */
-
-struct drm_dp_mst_branch;
-
-/**
- * struct drm_dp_vcpi - Virtual Channel Payload Identifier
- * @vcpi: Virtual channel ID.
- * @pbn: Payload Bandwidth Number for this channel
- * @aligned_pbn: PBN aligned with slot size
- * @num_slots: number of slots for this PBN
- */
-struct drm_dp_vcpi {
- int vcpi;
- int pbn;
- int aligned_pbn;
- int num_slots;
-};
-
-/**
- * struct drm_dp_mst_port - MST port
- * @port_num: port number
- * @input: if this port is an input port. Protected by
- * &drm_dp_mst_topology_mgr.base.lock.
- * @mcs: message capability status - DP 1.2 spec. Protected by
- * &drm_dp_mst_topology_mgr.base.lock.
- * @ddps: DisplayPort Device Plug Status - DP 1.2. Protected by
- * &drm_dp_mst_topology_mgr.base.lock.
- * @pdt: Peer Device Type. Protected by
- * &drm_dp_mst_topology_mgr.base.lock.
- * @ldps: Legacy Device Plug Status. Protected by
- * &drm_dp_mst_topology_mgr.base.lock.
- * @dpcd_rev: DPCD revision of device on this port. Protected by
- * &drm_dp_mst_topology_mgr.base.lock.
- * @num_sdp_streams: Number of simultaneous streams. Protected by
- * &drm_dp_mst_topology_mgr.base.lock.
- * @num_sdp_stream_sinks: Number of stream sinks. Protected by
- * &drm_dp_mst_topology_mgr.base.lock.
- * @full_pbn: Max possible bandwidth for this port. Protected by
- * &drm_dp_mst_topology_mgr.base.lock.
- * @next: link to next port on this branch device
- * @aux: i2c aux transport to talk to device connected to this port, protected
- * by &drm_dp_mst_topology_mgr.base.lock.
- * @parent: branch device parent of this port
- * @vcpi: Virtual Channel Payload info for this port.
- * @connector: DRM connector this port is connected to. Protected by
- * &drm_dp_mst_topology_mgr.base.lock.
- * @mgr: topology manager this port lives under.
- *
- * This structure represents an MST port endpoint on a device somewhere
- * in the MST topology.
- */
-struct drm_dp_mst_port {
- /**
- * @topology_kref: refcount for this port's lifetime in the topology,
- * only the DP MST helpers should need to touch this
- */
- struct kref topology_kref;
-
- /**
- * @malloc_kref: refcount for the memory allocation containing this
- * structure. See drm_dp_mst_get_port_malloc() and
- * drm_dp_mst_put_port_malloc().
- */
- struct kref malloc_kref;
-
-#if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS)
- /**
- * @topology_ref_history: A history of each topology
- * reference/dereference. See CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS.
- */
- struct drm_dp_mst_topology_ref_history topology_ref_history;
-#endif
-
- u8 port_num;
- bool input;
- bool mcs;
- bool ddps;
- u8 pdt;
- bool ldps;
- u8 dpcd_rev;
- u8 num_sdp_streams;
- u8 num_sdp_stream_sinks;
- uint16_t full_pbn;
- struct list_head next;
- /**
- * @mstb: the branch device connected to this port, if there is one.
- * This should be considered protected for reading by
- * &drm_dp_mst_topology_mgr.lock. There are two exceptions to this:
- * &drm_dp_mst_topology_mgr.up_req_work and
- * &drm_dp_mst_topology_mgr.work, which do not grab
- * &drm_dp_mst_topology_mgr.lock during reads but are the only
- * updaters of this list and are protected from writing concurrently
- * by &drm_dp_mst_topology_mgr.probe_lock.
- */
- struct drm_dp_mst_branch *mstb;
- struct drm_dp_aux aux; /* i2c bus for this port? */
- struct drm_dp_mst_branch *parent;
-
- struct drm_dp_vcpi vcpi;
- struct drm_connector *connector;
- struct drm_dp_mst_topology_mgr *mgr;
-
- /**
- * @cached_edid: for DP logical ports - make tiling work by ensuring
- * that the EDID for all connectors is read immediately.
- */
- struct edid *cached_edid;
- /**
- * @has_audio: Tracks whether the sink connector to this port is
- * audio-capable.
- */
- bool has_audio;
-
- /**
- * @fec_capable: bool indicating if FEC can be supported up to that
- * point in the MST topology.
- */
- bool fec_capable;
-};
-
-/* sideband msg header - not bit struct */
-struct drm_dp_sideband_msg_hdr {
- u8 lct;
- u8 lcr;
- u8 rad[8];
- bool broadcast;
- bool path_msg;
- u8 msg_len;
- bool somt;
- bool eomt;
- bool seqno;
-};
-
-struct drm_dp_sideband_msg_rx {
- u8 chunk[48];
- u8 msg[256];
- u8 curchunk_len;
- u8 curchunk_idx; /* chunk we are parsing now */
- u8 curchunk_hdrlen;
- u8 curlen; /* total length of the msg */
- bool have_somt;
- bool have_eomt;
- struct drm_dp_sideband_msg_hdr initial_hdr;
-};
-
-/**
- * struct drm_dp_mst_branch - MST branch device.
- * @rad: Relative Address to talk to this branch device.
- * @lct: Link count total to talk to this branch device.
- * @num_ports: number of ports on the branch.
- * @port_parent: pointer to the port parent, NULL if toplevel.
- * @mgr: topology manager for this branch device.
- * @link_address_sent: if a link address message has been sent to this device yet.
- * @guid: guid for DP 1.2 branch device. port under this branch can be
- * identified by port #.
- *
- * This structure represents an MST branch device, there is one
- * primary branch device at the root, along with any other branches connected
- * to downstream port of parent branches.
- */
-struct drm_dp_mst_branch {
- /**
- * @topology_kref: refcount for this branch device's lifetime in the
- * topology, only the DP MST helpers should need to touch this
- */
- struct kref topology_kref;
-
- /**
- * @malloc_kref: refcount for the memory allocation containing this
- * structure. See drm_dp_mst_get_mstb_malloc() and
- * drm_dp_mst_put_mstb_malloc().
- */
- struct kref malloc_kref;
-
-#if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS)
- /**
- * @topology_ref_history: A history of each topology
- * reference/dereference. See CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS.
- */
- struct drm_dp_mst_topology_ref_history topology_ref_history;
-#endif
-
- /**
- * @destroy_next: linked-list entry used by
- * drm_dp_delayed_destroy_work()
- */
- struct list_head destroy_next;
-
- u8 rad[8];
- u8 lct;
- int num_ports;
-
- /**
- * @ports: the list of ports on this branch device. This should be
- * considered protected for reading by &drm_dp_mst_topology_mgr.lock.
- * There are two exceptions to this:
- * &drm_dp_mst_topology_mgr.up_req_work and
- * &drm_dp_mst_topology_mgr.work, which do not grab
- * &drm_dp_mst_topology_mgr.lock during reads but are the only
- * updaters of this list and are protected from updating the list
- * concurrently by @drm_dp_mst_topology_mgr.probe_lock
- */
- struct list_head ports;
-
- struct drm_dp_mst_port *port_parent;
- struct drm_dp_mst_topology_mgr *mgr;
-
- bool link_address_sent;
-
- /* global unique identifier to identify branch devices */
- u8 guid[16];
-};
-
-
-struct drm_dp_nak_reply {
- u8 guid[16];
- u8 reason;
- u8 nak_data;
-};
-
-struct drm_dp_link_address_ack_reply {
- u8 guid[16];
- u8 nports;
- struct drm_dp_link_addr_reply_port {
- bool input_port;
- u8 peer_device_type;
- u8 port_number;
- bool mcs;
- bool ddps;
- bool legacy_device_plug_status;
- u8 dpcd_revision;
- u8 peer_guid[16];
- u8 num_sdp_streams;
- u8 num_sdp_stream_sinks;
- } ports[16];
-};
-
-struct drm_dp_remote_dpcd_read_ack_reply {
- u8 port_number;
- u8 num_bytes;
- u8 bytes[255];
-};
-
-struct drm_dp_remote_dpcd_write_ack_reply {
- u8 port_number;
-};
-
-struct drm_dp_remote_dpcd_write_nak_reply {
- u8 port_number;
- u8 reason;
- u8 bytes_written_before_failure;
-};
-
-struct drm_dp_remote_i2c_read_ack_reply {
- u8 port_number;
- u8 num_bytes;
- u8 bytes[255];
-};
-
-struct drm_dp_remote_i2c_read_nak_reply {
- u8 port_number;
- u8 nak_reason;
- u8 i2c_nak_transaction;
-};
-
-struct drm_dp_remote_i2c_write_ack_reply {
- u8 port_number;
-};
-
-struct drm_dp_query_stream_enc_status_ack_reply {
- /* Bit[23:16]- Stream Id */
- u8 stream_id;
-
- /* Bit[15]- Signed */
- bool reply_signed;
-
- /* Bit[10:8]- Stream Output Sink Type */
- bool unauthorizable_device_present;
- bool legacy_device_present;
- bool query_capable_device_present;
-
- /* Bit[12:11]- Stream Output CP Type */
- bool hdcp_1x_device_present;
- bool hdcp_2x_device_present;
-
- /* Bit[4]- Stream Authentication */
- bool auth_completed;
-
- /* Bit[3]- Stream Encryption */
- bool encryption_enabled;
-
- /* Bit[2]- Stream Repeater Function Present */
- bool repeater_present;
-
- /* Bit[1:0]- Stream State */
- u8 state;
-};
-
-#define DRM_DP_MAX_SDP_STREAMS 16
-struct drm_dp_allocate_payload {
- u8 port_number;
- u8 number_sdp_streams;
- u8 vcpi;
- u16 pbn;
- u8 sdp_stream_sink[DRM_DP_MAX_SDP_STREAMS];
-};
-
-struct drm_dp_allocate_payload_ack_reply {
- u8 port_number;
- u8 vcpi;
- u16 allocated_pbn;
-};
-
-struct drm_dp_connection_status_notify {
- u8 guid[16];
- u8 port_number;
- bool legacy_device_plug_status;
- bool displayport_device_plug_status;
- bool message_capability_status;
- bool input_port;
- u8 peer_device_type;
-};
-
-struct drm_dp_remote_dpcd_read {
- u8 port_number;
- u32 dpcd_address;
- u8 num_bytes;
-};
-
-struct drm_dp_remote_dpcd_write {
- u8 port_number;
- u32 dpcd_address;
- u8 num_bytes;
- u8 *bytes;
-};
-
-#define DP_REMOTE_I2C_READ_MAX_TRANSACTIONS 4
-struct drm_dp_remote_i2c_read {
- u8 num_transactions;
- u8 port_number;
- struct drm_dp_remote_i2c_read_tx {
- u8 i2c_dev_id;
- u8 num_bytes;
- u8 *bytes;
- u8 no_stop_bit;
- u8 i2c_transaction_delay;
- } transactions[DP_REMOTE_I2C_READ_MAX_TRANSACTIONS];
- u8 read_i2c_device_id;
- u8 num_bytes_read;
-};
-
-struct drm_dp_remote_i2c_write {
- u8 port_number;
- u8 write_i2c_device_id;
- u8 num_bytes;
- u8 *bytes;
-};
-
-struct drm_dp_query_stream_enc_status {
- u8 stream_id;
- u8 client_id[7]; /* 56-bit nonce */
- u8 stream_event;
- bool valid_stream_event;
- u8 stream_behavior;
- u8 valid_stream_behavior;
-};
-
-/* this covers ENUM_RESOURCES, POWER_DOWN_PHY, POWER_UP_PHY */
-struct drm_dp_port_number_req {
- u8 port_number;
-};
-
-struct drm_dp_enum_path_resources_ack_reply {
- u8 port_number;
- bool fec_capable;
- u16 full_payload_bw_number;
- u16 avail_payload_bw_number;
-};
-
-/* covers POWER_DOWN_PHY, POWER_UP_PHY */
-struct drm_dp_port_number_rep {
- u8 port_number;
-};
-
-struct drm_dp_query_payload {
- u8 port_number;
- u8 vcpi;
-};
-
-struct drm_dp_resource_status_notify {
- u8 port_number;
- u8 guid[16];
- u16 available_pbn;
-};
-
-struct drm_dp_query_payload_ack_reply {
- u8 port_number;
- u16 allocated_pbn;
-};
-
-struct drm_dp_sideband_msg_req_body {
- u8 req_type;
- union ack_req {
- struct drm_dp_connection_status_notify conn_stat;
- struct drm_dp_port_number_req port_num;
- struct drm_dp_resource_status_notify resource_stat;
-
- struct drm_dp_query_payload query_payload;
- struct drm_dp_allocate_payload allocate_payload;
-
- struct drm_dp_remote_dpcd_read dpcd_read;
- struct drm_dp_remote_dpcd_write dpcd_write;
-
- struct drm_dp_remote_i2c_read i2c_read;
- struct drm_dp_remote_i2c_write i2c_write;
-
- struct drm_dp_query_stream_enc_status enc_status;
- } u;
-};
-
-struct drm_dp_sideband_msg_reply_body {
- u8 reply_type;
- u8 req_type;
- union ack_replies {
- struct drm_dp_nak_reply nak;
- struct drm_dp_link_address_ack_reply link_addr;
- struct drm_dp_port_number_rep port_number;
-
- struct drm_dp_enum_path_resources_ack_reply path_resources;
- struct drm_dp_allocate_payload_ack_reply allocate_payload;
- struct drm_dp_query_payload_ack_reply query_payload;
-
- struct drm_dp_remote_dpcd_read_ack_reply remote_dpcd_read_ack;
- struct drm_dp_remote_dpcd_write_ack_reply remote_dpcd_write_ack;
- struct drm_dp_remote_dpcd_write_nak_reply remote_dpcd_write_nack;
-
- struct drm_dp_remote_i2c_read_ack_reply remote_i2c_read_ack;
- struct drm_dp_remote_i2c_read_nak_reply remote_i2c_read_nack;
- struct drm_dp_remote_i2c_write_ack_reply remote_i2c_write_ack;
-
- struct drm_dp_query_stream_enc_status_ack_reply enc_status;
- } u;
-};
-
-/* msg is queued to be put into a slot */
-#define DRM_DP_SIDEBAND_TX_QUEUED 0
-/* msg has started transmitting on a slot - still on msgq */
-#define DRM_DP_SIDEBAND_TX_START_SEND 1
-/* msg has finished transmitting on a slot - removed from msgq only in slot */
-#define DRM_DP_SIDEBAND_TX_SENT 2
-/* msg has received a response - removed from slot */
-#define DRM_DP_SIDEBAND_TX_RX 3
-#define DRM_DP_SIDEBAND_TX_TIMEOUT 4
-
-struct drm_dp_sideband_msg_tx {
- u8 msg[256];
- u8 chunk[48];
- u8 cur_offset;
- u8 cur_len;
- struct drm_dp_mst_branch *dst;
- struct list_head next;
- int seqno;
- int state;
- bool path_msg;
- struct drm_dp_sideband_msg_reply_body reply;
-};
-
-/* sideband msg handler */
-struct drm_dp_mst_topology_mgr;
-struct drm_dp_mst_topology_cbs {
- /* create a connector for a port */
- struct drm_connector *(*add_connector)(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, const char *path);
- /*
- * Checks for any pending MST interrupts, passing them to MST core for
- * processing, the same way an HPD IRQ pulse handler would do this.
- * If provided MST core calls this callback from a poll-waiting loop
- * when waiting for MST down message replies. The driver is expected
- * to guard against a race between this callback and the driver's HPD
- * IRQ pulse handler.
- */
- void (*poll_hpd_irq)(struct drm_dp_mst_topology_mgr *mgr);
-};
-
-#define DP_MAX_PAYLOAD (sizeof(unsigned long) * 8)
-
-#define DP_PAYLOAD_LOCAL 1
-#define DP_PAYLOAD_REMOTE 2
-#define DP_PAYLOAD_DELETE_LOCAL 3
-
-struct drm_dp_payload {
- int payload_state;
- int start_slot;
- int num_slots;
- int vcpi;
-};
-
-#define to_dp_mst_topology_state(x) container_of(x, struct drm_dp_mst_topology_state, base)
-
-struct drm_dp_vcpi_allocation {
- struct drm_dp_mst_port *port;
- int vcpi;
- int pbn;
- bool dsc_enabled;
- struct list_head next;
-};
-
-struct drm_dp_mst_topology_state {
- struct drm_private_state base;
- struct list_head vcpis;
- struct drm_dp_mst_topology_mgr *mgr;
- u8 total_avail_slots;
- u8 start_slot;
-};
-
-#define to_dp_mst_topology_mgr(x) container_of(x, struct drm_dp_mst_topology_mgr, base)
-
-/**
- * struct drm_dp_mst_topology_mgr - DisplayPort MST manager
- *
- * This struct represents the toplevel displayport MST topology manager.
- * There should be one instance of this for every MST capable DP connector
- * on the GPU.
- */
-struct drm_dp_mst_topology_mgr {
- /**
- * @base: Base private object for atomic
- */
- struct drm_private_obj base;
-
- /**
- * @dev: device pointer for adding i2c devices etc.
- */
- struct drm_device *dev;
- /**
- * @cbs: callbacks for connector addition and destruction.
- */
- const struct drm_dp_mst_topology_cbs *cbs;
- /**
- * @max_dpcd_transaction_bytes: maximum number of bytes to read/write
- * in one go.
- */
- int max_dpcd_transaction_bytes;
- /**
- * @aux: AUX channel for the DP MST connector this topolgy mgr is
- * controlling.
- */
- struct drm_dp_aux *aux;
- /**
- * @max_payloads: maximum number of payloads the GPU can generate.
- */
- int max_payloads;
- /**
- * @max_lane_count: maximum number of lanes the GPU can drive.
- */
- int max_lane_count;
- /**
- * @max_link_rate: maximum link rate per lane GPU can output, in kHz.
- */
- int max_link_rate;
- /**
- * @conn_base_id: DRM connector ID this mgr is connected to. Only used
- * to build the MST connector path value.
- */
- int conn_base_id;
-
- /**
- * @up_req_recv: Message receiver state for up requests.
- */
- struct drm_dp_sideband_msg_rx up_req_recv;
-
- /**
- * @down_rep_recv: Message receiver state for replies to down
- * requests.
- */
- struct drm_dp_sideband_msg_rx down_rep_recv;
-
- /**
- * @lock: protects @mst_state, @mst_primary, @dpcd, and
- * @payload_id_table_cleared.
- */
- struct mutex lock;
-
- /**
- * @probe_lock: Prevents @work and @up_req_work, the only writers of
- * &drm_dp_mst_port.mstb and &drm_dp_mst_branch.ports, from racing
- * while they update the topology.
- */
- struct mutex probe_lock;
-
- /**
- * @mst_state: If this manager is enabled for an MST capable port. False
- * if no MST sink/branch devices is connected.
- */
- bool mst_state : 1;
-
- /**
- * @payload_id_table_cleared: Whether or not we've cleared the payload
- * ID table for @mst_primary. Protected by @lock.
- */
- bool payload_id_table_cleared : 1;
-
- /**
- * @mst_primary: Pointer to the primary/first branch device.
- */
- struct drm_dp_mst_branch *mst_primary;
-
- /**
- * @dpcd: Cache of DPCD for primary port.
- */
- u8 dpcd[DP_RECEIVER_CAP_SIZE];
- /**
- * @sink_count: Sink count from DEVICE_SERVICE_IRQ_VECTOR_ESI0.
- */
- u8 sink_count;
- /**
- * @pbn_div: PBN to slots divisor.
- */
- int pbn_div;
-
- /**
- * @funcs: Atomic helper callbacks
- */
- const struct drm_private_state_funcs *funcs;
-
- /**
- * @qlock: protects @tx_msg_downq and &drm_dp_sideband_msg_tx.state
- */
- struct mutex qlock;
-
- /**
- * @tx_msg_downq: List of pending down requests
- */
- struct list_head tx_msg_downq;
-
- /**
- * @payload_lock: Protect payload information.
- */
- struct mutex payload_lock;
- /**
- * @proposed_vcpis: Array of pointers for the new VCPI allocation. The
- * VCPI structure itself is &drm_dp_mst_port.vcpi, and the size of
- * this array is determined by @max_payloads.
- */
- struct drm_dp_vcpi **proposed_vcpis;
- /**
- * @payloads: Array of payloads. The size of this array is determined
- * by @max_payloads.
- */
- struct drm_dp_payload *payloads;
- /**
- * @payload_mask: Elements of @payloads actually in use. Since
- * reallocation of active outputs isn't possible gaps can be created by
- * disabling outputs out of order compared to how they've been enabled.
- */
- unsigned long payload_mask;
- /**
- * @vcpi_mask: Similar to @payload_mask, but for @proposed_vcpis.
- */
- unsigned long vcpi_mask;
-
- /**
- * @tx_waitq: Wait to queue stall for the tx worker.
- */
- wait_queue_head_t tx_waitq;
- /**
- * @work: Probe work.
- */
- struct work_struct work;
- /**
- * @tx_work: Sideband transmit worker. This can nest within the main
- * @work worker for each transaction @work launches.
- */
- struct work_struct tx_work;
-
- /**
- * @destroy_port_list: List of to be destroyed connectors.
- */
- struct list_head destroy_port_list;
- /**
- * @destroy_branch_device_list: List of to be destroyed branch
- * devices.
- */
- struct list_head destroy_branch_device_list;
- /**
- * @delayed_destroy_lock: Protects @destroy_port_list and
- * @destroy_branch_device_list.
- */
- struct mutex delayed_destroy_lock;
-
- /**
- * @delayed_destroy_wq: Workqueue used for delayed_destroy_work items.
- * A dedicated WQ makes it possible to drain any requeued work items
- * on it.
- */
- struct workqueue_struct *delayed_destroy_wq;
-
- /**
- * @delayed_destroy_work: Work item to destroy MST port and branch
- * devices, needed to avoid locking inversion.
- */
- struct work_struct delayed_destroy_work;
-
- /**
- * @up_req_list: List of pending up requests from the topology that
- * need to be processed, in chronological order.
- */
- struct list_head up_req_list;
- /**
- * @up_req_lock: Protects @up_req_list
- */
- struct mutex up_req_lock;
- /**
- * @up_req_work: Work item to process up requests received from the
- * topology. Needed to avoid blocking hotplug handling and sideband
- * transmissions.
- */
- struct work_struct up_req_work;
-
-#if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS)
- /**
- * @topology_ref_history_lock: protects
- * &drm_dp_mst_port.topology_ref_history and
- * &drm_dp_mst_branch.topology_ref_history.
- */
- struct mutex topology_ref_history_lock;
-#endif
-};
-
-int drm_dp_mst_topology_mgr_init(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_device *dev, struct drm_dp_aux *aux,
- int max_dpcd_transaction_bytes,
- int max_payloads,
- int max_lane_count, int max_link_rate,
- int conn_base_id);
-
-void drm_dp_mst_topology_mgr_destroy(struct drm_dp_mst_topology_mgr *mgr);
-
-bool drm_dp_read_mst_cap(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
-int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool mst_state);
-
-int drm_dp_mst_hpd_irq(struct drm_dp_mst_topology_mgr *mgr, u8 *esi, bool *handled);
-
-
-int
-drm_dp_mst_detect_port(struct drm_connector *connector,
- struct drm_modeset_acquire_ctx *ctx,
- struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_port *port);
-
-struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
-
-int drm_dp_get_vc_payload_bw(const struct drm_dp_mst_topology_mgr *mgr,
- int link_rate, int link_lane_count);
-
-int drm_dp_calc_pbn_mode(int clock, int bpp, bool dsc);
-
-bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_port *port, int pbn, int slots);
-
-int drm_dp_mst_get_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
-
-
-void drm_dp_mst_reset_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
-
-void drm_dp_mst_update_slots(struct drm_dp_mst_topology_state *mst_state, uint8_t link_encoding_cap);
-
-void drm_dp_mst_deallocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_port *port);
-
-
-int drm_dp_find_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr,
- int pbn);
-
-
-int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr, int start_slot);
-
-
-int drm_dp_update_payload_part2(struct drm_dp_mst_topology_mgr *mgr);
-
-int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr);
-
-void drm_dp_mst_dump_topology(struct seq_file *m,
- struct drm_dp_mst_topology_mgr *mgr);
-
-void drm_dp_mst_topology_mgr_suspend(struct drm_dp_mst_topology_mgr *mgr);
-int __must_check
-drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr,
- bool sync);
-
-ssize_t drm_dp_mst_dpcd_read(struct drm_dp_aux *aux,
- unsigned int offset, void *buffer, size_t size);
-ssize_t drm_dp_mst_dpcd_write(struct drm_dp_aux *aux,
- unsigned int offset, void *buffer, size_t size);
-
-int drm_dp_mst_connector_late_register(struct drm_connector *connector,
- struct drm_dp_mst_port *port);
-void drm_dp_mst_connector_early_unregister(struct drm_connector *connector,
- struct drm_dp_mst_port *port);
-
-struct drm_dp_mst_topology_state *drm_atomic_get_mst_topology_state(struct drm_atomic_state *state,
- struct drm_dp_mst_topology_mgr *mgr);
-int __must_check
-drm_dp_atomic_find_vcpi_slots(struct drm_atomic_state *state,
- struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_port *port, int pbn,
- int pbn_div);
-int drm_dp_mst_atomic_enable_dsc(struct drm_atomic_state *state,
- struct drm_dp_mst_port *port,
- int pbn, int pbn_div,
- bool enable);
-int __must_check
-drm_dp_mst_add_affected_dsc_crtcs(struct drm_atomic_state *state,
- struct drm_dp_mst_topology_mgr *mgr);
-int __must_check
-drm_dp_atomic_release_vcpi_slots(struct drm_atomic_state *state,
- struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_port *port);
-int drm_dp_send_power_updown_phy(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_port *port, bool power_up);
-int drm_dp_send_query_stream_enc_status(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_port *port,
- struct drm_dp_query_stream_enc_status_ack_reply *status);
-int __must_check drm_dp_mst_atomic_check(struct drm_atomic_state *state);
-
-void drm_dp_mst_get_port_malloc(struct drm_dp_mst_port *port);
-void drm_dp_mst_put_port_malloc(struct drm_dp_mst_port *port);
-
-struct drm_dp_aux *drm_dp_mst_dsc_aux_for_port(struct drm_dp_mst_port *port);
-
-extern const struct drm_private_state_funcs drm_dp_mst_topology_state_funcs;
-
-/**
- * __drm_dp_mst_state_iter_get - private atomic state iterator function for
- * macro-internal use
- * @state: &struct drm_atomic_state pointer
- * @mgr: pointer to the &struct drm_dp_mst_topology_mgr iteration cursor
- * @old_state: optional pointer to the old &struct drm_dp_mst_topology_state
- * iteration cursor
- * @new_state: optional pointer to the new &struct drm_dp_mst_topology_state
- * iteration cursor
- * @i: int iteration cursor, for macro-internal use
- *
- * Used by for_each_oldnew_mst_mgr_in_state(),
- * for_each_old_mst_mgr_in_state(), and for_each_new_mst_mgr_in_state(). Don't
- * call this directly.
- *
- * Returns:
- * True if the current &struct drm_private_obj is a &struct
- * drm_dp_mst_topology_mgr, false otherwise.
- */
-static inline bool
-__drm_dp_mst_state_iter_get(struct drm_atomic_state *state,
- struct drm_dp_mst_topology_mgr **mgr,
- struct drm_dp_mst_topology_state **old_state,
- struct drm_dp_mst_topology_state **new_state,
- int i)
-{
- struct __drm_private_objs_state *objs_state = &state->private_objs[i];
-
- if (objs_state->ptr->funcs != &drm_dp_mst_topology_state_funcs)
- return false;
-
- *mgr = to_dp_mst_topology_mgr(objs_state->ptr);
- if (old_state)
- *old_state = to_dp_mst_topology_state(objs_state->old_state);
- if (new_state)
- *new_state = to_dp_mst_topology_state(objs_state->new_state);
-
- return true;
-}
-
-/**
- * for_each_oldnew_mst_mgr_in_state - iterate over all DP MST topology
- * managers in an atomic update
- * @__state: &struct drm_atomic_state pointer
- * @mgr: &struct drm_dp_mst_topology_mgr iteration cursor
- * @old_state: &struct drm_dp_mst_topology_state iteration cursor for the old
- * state
- * @new_state: &struct drm_dp_mst_topology_state iteration cursor for the new
- * state
- * @__i: int iteration cursor, for macro-internal use
- *
- * This iterates over all DRM DP MST topology managers in an atomic update,
- * tracking both old and new state. This is useful in places where the state
- * delta needs to be considered, for example in atomic check functions.
- */
-#define for_each_oldnew_mst_mgr_in_state(__state, mgr, old_state, new_state, __i) \
- for ((__i) = 0; (__i) < (__state)->num_private_objs; (__i)++) \
- for_each_if(__drm_dp_mst_state_iter_get((__state), &(mgr), &(old_state), &(new_state), (__i)))
-
-/**
- * for_each_old_mst_mgr_in_state - iterate over all DP MST topology managers
- * in an atomic update
- * @__state: &struct drm_atomic_state pointer
- * @mgr: &struct drm_dp_mst_topology_mgr iteration cursor
- * @old_state: &struct drm_dp_mst_topology_state iteration cursor for the old
- * state
- * @__i: int iteration cursor, for macro-internal use
- *
- * This iterates over all DRM DP MST topology managers in an atomic update,
- * tracking only the old state. This is useful in disable functions, where we
- * need the old state the hardware is still in.
- */
-#define for_each_old_mst_mgr_in_state(__state, mgr, old_state, __i) \
- for ((__i) = 0; (__i) < (__state)->num_private_objs; (__i)++) \
- for_each_if(__drm_dp_mst_state_iter_get((__state), &(mgr), &(old_state), NULL, (__i)))
-
-/**
- * for_each_new_mst_mgr_in_state - iterate over all DP MST topology managers
- * in an atomic update
- * @__state: &struct drm_atomic_state pointer
- * @mgr: &struct drm_dp_mst_topology_mgr iteration cursor
- * @new_state: &struct drm_dp_mst_topology_state iteration cursor for the new
- * state
- * @__i: int iteration cursor, for macro-internal use
- *
- * This iterates over all DRM DP MST topology managers in an atomic update,
- * tracking only the new state. This is useful in enable functions, where we
- * need the new state the hardware should be in when the atomic commit
- * operation has completed.
- */
-#define for_each_new_mst_mgr_in_state(__state, mgr, new_state, __i) \
- for ((__i) = 0; (__i) < (__state)->num_private_objs; (__i)++) \
- for_each_if(__drm_dp_mst_state_iter_get((__state), &(mgr), NULL, &(new_state), (__i)))
-
-#endif
#ifndef DRM_DSC_H_
#define DRM_DSC_H_
-#include <drm/drm_dp_helper.h>
+#include <drm/dp/drm_dp_helper.h>
/* VESA Display Stream Compression DSC 1.2 constants */
#define DSC_NUM_BUF_RANGES 15
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