It's an adc, put it where it belongs.
Cc: Andrzej Zaborowski <balrogg@gmail.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-arm@nongnu.org
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
F: hw/gpio/max7310.c
F: hw/gpio/zaurus.c
F: hw/misc/mst_fpga.c
-F: hw/misc/max111x.c
-F: include/hw/misc/max111x.h
+F: hw/adc/max111x.c
+F: include/hw/adc/max111x.h
F: include/hw/arm/pxa.h
F: include/hw/arm/sharpsl.h
F: include/hw/display/tc6393xb.h
config STM32F2XX_ADC
bool
+
+config MAX111X
+ bool
--- /dev/null
+/*
+ * Maxim MAX1110/1111 ADC chip emulation.
+ *
+ * Copyright (c) 2006 Openedhand Ltd.
+ * Written by Andrzej Zaborowski <balrog@zabor.org>
+ *
+ * This code is licensed under the GNU GPLv2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
+ */
+
+#include "qemu/osdep.h"
+#include "hw/adc/max111x.h"
+#include "hw/irq.h"
+#include "migration/vmstate.h"
+#include "qemu/module.h"
+#include "hw/qdev-properties.h"
+
+/* Control-byte bitfields */
+#define CB_PD0 (1 << 0)
+#define CB_PD1 (1 << 1)
+#define CB_SGL (1 << 2)
+#define CB_UNI (1 << 3)
+#define CB_SEL0 (1 << 4)
+#define CB_SEL1 (1 << 5)
+#define CB_SEL2 (1 << 6)
+#define CB_START (1 << 7)
+
+#define CHANNEL_NUM(v, b0, b1, b2) \
+ ((((v) >> (2 + (b0))) & 4) | \
+ (((v) >> (3 + (b1))) & 2) | \
+ (((v) >> (4 + (b2))) & 1))
+
+static uint32_t max111x_read(MAX111xState *s)
+{
+ if (!s->tb1)
+ return 0;
+
+ switch (s->cycle ++) {
+ case 1:
+ return s->rb2;
+ case 2:
+ return s->rb3;
+ }
+
+ return 0;
+}
+
+/* Interpret a control-byte */
+static void max111x_write(MAX111xState *s, uint32_t value)
+{
+ int measure, chan;
+
+ /* Ignore the value if START bit is zero */
+ if (!(value & CB_START))
+ return;
+
+ s->cycle = 0;
+
+ if (!(value & CB_PD1)) {
+ s->tb1 = 0;
+ return;
+ }
+
+ s->tb1 = value;
+
+ if (s->inputs == 8)
+ chan = CHANNEL_NUM(value, 1, 0, 2);
+ else
+ chan = CHANNEL_NUM(value & ~CB_SEL0, 0, 1, 2);
+
+ if (value & CB_SGL)
+ measure = s->input[chan] - s->com;
+ else
+ measure = s->input[chan] - s->input[chan ^ 1];
+
+ if (!(value & CB_UNI))
+ measure ^= 0x80;
+
+ s->rb2 = (measure >> 2) & 0x3f;
+ s->rb3 = (measure << 6) & 0xc0;
+
+ /* FIXME: When should the IRQ be lowered? */
+ qemu_irq_raise(s->interrupt);
+}
+
+static uint32_t max111x_transfer(SSIPeripheral *dev, uint32_t value)
+{
+ MAX111xState *s = MAX_111X(dev);
+ max111x_write(s, value);
+ return max111x_read(s);
+}
+
+static const VMStateDescription vmstate_max111x = {
+ .name = "max111x",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_SSI_PERIPHERAL(parent_obj, MAX111xState),
+ VMSTATE_UINT8(tb1, MAX111xState),
+ VMSTATE_UINT8(rb2, MAX111xState),
+ VMSTATE_UINT8(rb3, MAX111xState),
+ VMSTATE_INT32_EQUAL(inputs, MAX111xState, NULL),
+ VMSTATE_INT32(com, MAX111xState),
+ VMSTATE_ARRAY_INT32_UNSAFE(input, MAX111xState, inputs,
+ vmstate_info_uint8, uint8_t),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static void max111x_input_set(void *opaque, int line, int value)
+{
+ MAX111xState *s = MAX_111X(opaque);
+
+ assert(line >= 0 && line < s->inputs);
+ s->input[line] = value;
+}
+
+static int max111x_init(SSIPeripheral *d, int inputs)
+{
+ DeviceState *dev = DEVICE(d);
+ MAX111xState *s = MAX_111X(dev);
+
+ qdev_init_gpio_out(dev, &s->interrupt, 1);
+ qdev_init_gpio_in(dev, max111x_input_set, inputs);
+
+ s->inputs = inputs;
+
+ return 0;
+}
+
+static void max1110_realize(SSIPeripheral *dev, Error **errp)
+{
+ max111x_init(dev, 8);
+}
+
+static void max1111_realize(SSIPeripheral *dev, Error **errp)
+{
+ max111x_init(dev, 4);
+}
+
+static void max111x_reset(DeviceState *dev)
+{
+ MAX111xState *s = MAX_111X(dev);
+ int i;
+
+ for (i = 0; i < s->inputs; i++) {
+ s->input[i] = s->reset_input[i];
+ }
+ s->com = 0;
+ s->tb1 = 0;
+ s->rb2 = 0;
+ s->rb3 = 0;
+ s->cycle = 0;
+}
+
+static Property max1110_properties[] = {
+ /* Reset values for ADC inputs */
+ DEFINE_PROP_UINT8("input0", MAX111xState, reset_input[0], 0xf0),
+ DEFINE_PROP_UINT8("input1", MAX111xState, reset_input[1], 0xe0),
+ DEFINE_PROP_UINT8("input2", MAX111xState, reset_input[2], 0xd0),
+ DEFINE_PROP_UINT8("input3", MAX111xState, reset_input[3], 0xc0),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static Property max1111_properties[] = {
+ /* Reset values for ADC inputs */
+ DEFINE_PROP_UINT8("input0", MAX111xState, reset_input[0], 0xf0),
+ DEFINE_PROP_UINT8("input1", MAX111xState, reset_input[1], 0xe0),
+ DEFINE_PROP_UINT8("input2", MAX111xState, reset_input[2], 0xd0),
+ DEFINE_PROP_UINT8("input3", MAX111xState, reset_input[3], 0xc0),
+ DEFINE_PROP_UINT8("input4", MAX111xState, reset_input[4], 0xb0),
+ DEFINE_PROP_UINT8("input5", MAX111xState, reset_input[5], 0xa0),
+ DEFINE_PROP_UINT8("input6", MAX111xState, reset_input[6], 0x90),
+ DEFINE_PROP_UINT8("input7", MAX111xState, reset_input[7], 0x80),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void max111x_class_init(ObjectClass *klass, void *data)
+{
+ SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ k->transfer = max111x_transfer;
+ dc->reset = max111x_reset;
+ dc->vmsd = &vmstate_max111x;
+ set_bit(DEVICE_CATEGORY_MISC, dc->categories);
+}
+
+static const TypeInfo max111x_info = {
+ .name = TYPE_MAX_111X,
+ .parent = TYPE_SSI_PERIPHERAL,
+ .instance_size = sizeof(MAX111xState),
+ .class_init = max111x_class_init,
+ .abstract = true,
+};
+
+static void max1110_class_init(ObjectClass *klass, void *data)
+{
+ SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ k->realize = max1110_realize;
+ device_class_set_props(dc, max1110_properties);
+}
+
+static const TypeInfo max1110_info = {
+ .name = TYPE_MAX_1110,
+ .parent = TYPE_MAX_111X,
+ .class_init = max1110_class_init,
+};
+
+static void max1111_class_init(ObjectClass *klass, void *data)
+{
+ SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ k->realize = max1111_realize;
+ device_class_set_props(dc, max1111_properties);
+}
+
+static const TypeInfo max1111_info = {
+ .name = TYPE_MAX_1111,
+ .parent = TYPE_MAX_111X,
+ .class_init = max1111_class_init,
+};
+
+static void max111x_register_types(void)
+{
+ type_register_static(&max111x_info);
+ type_register_static(&max1110_info);
+ type_register_static(&max1111_info);
+}
+
+type_init(max111x_register_types)
softmmu_ss.add(when: 'CONFIG_STM32F2XX_ADC', if_true: files('stm32f2xx_adc.c'))
softmmu_ss.add(when: 'CONFIG_NPCM7XX', if_true: files('npcm7xx_adc.c'))
-softmmu_ss.add(when: 'CONFIG_ZYNQ', if_true: files('zynq-xadc.c'))
\ No newline at end of file
+softmmu_ss.add(when: 'CONFIG_ZYNQ', if_true: files('zynq-xadc.c'))
+softmmu_ss.add(when: 'CONFIG_MAX111X', if_true: files('max111x.c'))
#include "audio/audio.h"
#include "hw/boards.h"
#include "hw/sysbus.h"
-#include "hw/misc/max111x.h"
+#include "hw/adc/max111x.h"
#include "migration/vmstate.h"
#include "exec/address-spaces.h"
#include "cpu.h"
config ARMSSE_CPU_PWRCTRL
bool
-config MAX111X
- bool
-
config TMP105
bool
depends on I2C
+++ /dev/null
-/*
- * Maxim MAX1110/1111 ADC chip emulation.
- *
- * Copyright (c) 2006 Openedhand Ltd.
- * Written by Andrzej Zaborowski <balrog@zabor.org>
- *
- * This code is licensed under the GNU GPLv2.
- *
- * Contributions after 2012-01-13 are licensed under the terms of the
- * GNU GPL, version 2 or (at your option) any later version.
- */
-
-#include "qemu/osdep.h"
-#include "hw/misc/max111x.h"
-#include "hw/irq.h"
-#include "migration/vmstate.h"
-#include "qemu/module.h"
-#include "hw/qdev-properties.h"
-
-/* Control-byte bitfields */
-#define CB_PD0 (1 << 0)
-#define CB_PD1 (1 << 1)
-#define CB_SGL (1 << 2)
-#define CB_UNI (1 << 3)
-#define CB_SEL0 (1 << 4)
-#define CB_SEL1 (1 << 5)
-#define CB_SEL2 (1 << 6)
-#define CB_START (1 << 7)
-
-#define CHANNEL_NUM(v, b0, b1, b2) \
- ((((v) >> (2 + (b0))) & 4) | \
- (((v) >> (3 + (b1))) & 2) | \
- (((v) >> (4 + (b2))) & 1))
-
-static uint32_t max111x_read(MAX111xState *s)
-{
- if (!s->tb1)
- return 0;
-
- switch (s->cycle ++) {
- case 1:
- return s->rb2;
- case 2:
- return s->rb3;
- }
-
- return 0;
-}
-
-/* Interpret a control-byte */
-static void max111x_write(MAX111xState *s, uint32_t value)
-{
- int measure, chan;
-
- /* Ignore the value if START bit is zero */
- if (!(value & CB_START))
- return;
-
- s->cycle = 0;
-
- if (!(value & CB_PD1)) {
- s->tb1 = 0;
- return;
- }
-
- s->tb1 = value;
-
- if (s->inputs == 8)
- chan = CHANNEL_NUM(value, 1, 0, 2);
- else
- chan = CHANNEL_NUM(value & ~CB_SEL0, 0, 1, 2);
-
- if (value & CB_SGL)
- measure = s->input[chan] - s->com;
- else
- measure = s->input[chan] - s->input[chan ^ 1];
-
- if (!(value & CB_UNI))
- measure ^= 0x80;
-
- s->rb2 = (measure >> 2) & 0x3f;
- s->rb3 = (measure << 6) & 0xc0;
-
- /* FIXME: When should the IRQ be lowered? */
- qemu_irq_raise(s->interrupt);
-}
-
-static uint32_t max111x_transfer(SSIPeripheral *dev, uint32_t value)
-{
- MAX111xState *s = MAX_111X(dev);
- max111x_write(s, value);
- return max111x_read(s);
-}
-
-static const VMStateDescription vmstate_max111x = {
- .name = "max111x",
- .version_id = 1,
- .minimum_version_id = 1,
- .fields = (VMStateField[]) {
- VMSTATE_SSI_PERIPHERAL(parent_obj, MAX111xState),
- VMSTATE_UINT8(tb1, MAX111xState),
- VMSTATE_UINT8(rb2, MAX111xState),
- VMSTATE_UINT8(rb3, MAX111xState),
- VMSTATE_INT32_EQUAL(inputs, MAX111xState, NULL),
- VMSTATE_INT32(com, MAX111xState),
- VMSTATE_ARRAY_INT32_UNSAFE(input, MAX111xState, inputs,
- vmstate_info_uint8, uint8_t),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static void max111x_input_set(void *opaque, int line, int value)
-{
- MAX111xState *s = MAX_111X(opaque);
-
- assert(line >= 0 && line < s->inputs);
- s->input[line] = value;
-}
-
-static int max111x_init(SSIPeripheral *d, int inputs)
-{
- DeviceState *dev = DEVICE(d);
- MAX111xState *s = MAX_111X(dev);
-
- qdev_init_gpio_out(dev, &s->interrupt, 1);
- qdev_init_gpio_in(dev, max111x_input_set, inputs);
-
- s->inputs = inputs;
-
- return 0;
-}
-
-static void max1110_realize(SSIPeripheral *dev, Error **errp)
-{
- max111x_init(dev, 8);
-}
-
-static void max1111_realize(SSIPeripheral *dev, Error **errp)
-{
- max111x_init(dev, 4);
-}
-
-static void max111x_reset(DeviceState *dev)
-{
- MAX111xState *s = MAX_111X(dev);
- int i;
-
- for (i = 0; i < s->inputs; i++) {
- s->input[i] = s->reset_input[i];
- }
- s->com = 0;
- s->tb1 = 0;
- s->rb2 = 0;
- s->rb3 = 0;
- s->cycle = 0;
-}
-
-static Property max1110_properties[] = {
- /* Reset values for ADC inputs */
- DEFINE_PROP_UINT8("input0", MAX111xState, reset_input[0], 0xf0),
- DEFINE_PROP_UINT8("input1", MAX111xState, reset_input[1], 0xe0),
- DEFINE_PROP_UINT8("input2", MAX111xState, reset_input[2], 0xd0),
- DEFINE_PROP_UINT8("input3", MAX111xState, reset_input[3], 0xc0),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static Property max1111_properties[] = {
- /* Reset values for ADC inputs */
- DEFINE_PROP_UINT8("input0", MAX111xState, reset_input[0], 0xf0),
- DEFINE_PROP_UINT8("input1", MAX111xState, reset_input[1], 0xe0),
- DEFINE_PROP_UINT8("input2", MAX111xState, reset_input[2], 0xd0),
- DEFINE_PROP_UINT8("input3", MAX111xState, reset_input[3], 0xc0),
- DEFINE_PROP_UINT8("input4", MAX111xState, reset_input[4], 0xb0),
- DEFINE_PROP_UINT8("input5", MAX111xState, reset_input[5], 0xa0),
- DEFINE_PROP_UINT8("input6", MAX111xState, reset_input[6], 0x90),
- DEFINE_PROP_UINT8("input7", MAX111xState, reset_input[7], 0x80),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void max111x_class_init(ObjectClass *klass, void *data)
-{
- SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
- DeviceClass *dc = DEVICE_CLASS(klass);
-
- k->transfer = max111x_transfer;
- dc->reset = max111x_reset;
- dc->vmsd = &vmstate_max111x;
- set_bit(DEVICE_CATEGORY_MISC, dc->categories);
-}
-
-static const TypeInfo max111x_info = {
- .name = TYPE_MAX_111X,
- .parent = TYPE_SSI_PERIPHERAL,
- .instance_size = sizeof(MAX111xState),
- .class_init = max111x_class_init,
- .abstract = true,
-};
-
-static void max1110_class_init(ObjectClass *klass, void *data)
-{
- SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
- DeviceClass *dc = DEVICE_CLASS(klass);
-
- k->realize = max1110_realize;
- device_class_set_props(dc, max1110_properties);
-}
-
-static const TypeInfo max1110_info = {
- .name = TYPE_MAX_1110,
- .parent = TYPE_MAX_111X,
- .class_init = max1110_class_init,
-};
-
-static void max1111_class_init(ObjectClass *klass, void *data)
-{
- SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
- DeviceClass *dc = DEVICE_CLASS(klass);
-
- k->realize = max1111_realize;
- device_class_set_props(dc, max1111_properties);
-}
-
-static const TypeInfo max1111_info = {
- .name = TYPE_MAX_1111,
- .parent = TYPE_MAX_111X,
- .class_init = max1111_class_init,
-};
-
-static void max111x_register_types(void)
-{
- type_register_static(&max111x_info);
- type_register_static(&max1110_info);
- type_register_static(&max1111_info);
-}
-
-type_init(max111x_register_types)
softmmu_ss.add(when: 'CONFIG_FW_CFG_DMA', if_true: files('vmcoreinfo.c'))
softmmu_ss.add(when: 'CONFIG_ISA_DEBUG', if_true: files('debugexit.c'))
softmmu_ss.add(when: 'CONFIG_ISA_TESTDEV', if_true: files('pc-testdev.c'))
-softmmu_ss.add(when: 'CONFIG_MAX111X', if_true: files('max111x.c'))
softmmu_ss.add(when: 'CONFIG_PCA9552', if_true: files('pca9552.c'))
softmmu_ss.add(when: 'CONFIG_PCI_TESTDEV', if_true: files('pci-testdev.c'))
softmmu_ss.add(when: 'CONFIG_SGA', if_true: files('sga.c'))
--- /dev/null
+/*
+ * Maxim MAX1110/1111 ADC chip emulation.
+ *
+ * Copyright (c) 2006 Openedhand Ltd.
+ * Written by Andrzej Zaborowski <balrog@zabor.org>
+ *
+ * This code is licensed under the GNU GPLv2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
+ */
+
+#ifndef HW_MISC_MAX111X_H
+#define HW_MISC_MAX111X_H
+
+#include "hw/ssi/ssi.h"
+#include "qom/object.h"
+
+/*
+ * This is a model of the Maxim MAX1110/1111 ADC chip, which for QEMU
+ * is an SSI slave device. It has either 4 (max1110) or 8 (max1111)
+ * 8-bit ADC channels.
+ *
+ * QEMU interface:
+ * + GPIO inputs 0..3 (for max1110) or 0..7 (for max1111): set the value
+ * of each ADC input, as an unsigned 8-bit value
+ * + GPIO output 0: interrupt line
+ * + Properties "input0" to "input3" (max1110) or "input0" to "input7"
+ * (max1111): initial reset values for ADC inputs.
+ *
+ * Known bugs:
+ * + the interrupt line is not correctly implemented, and will never
+ * be lowered once it has been asserted.
+ */
+struct MAX111xState {
+ SSIPeripheral parent_obj;
+
+ qemu_irq interrupt;
+ /* Values of inputs at system reset (settable by QOM property) */
+ uint8_t reset_input[8];
+
+ uint8_t tb1, rb2, rb3;
+ int cycle;
+
+ uint8_t input[8];
+ int inputs, com;
+};
+
+#define TYPE_MAX_111X "max111x"
+
+OBJECT_DECLARE_SIMPLE_TYPE(MAX111xState, MAX_111X)
+
+#define TYPE_MAX_1110 "max1110"
+#define TYPE_MAX_1111 "max1111"
+
+#endif
+++ /dev/null
-/*
- * Maxim MAX1110/1111 ADC chip emulation.
- *
- * Copyright (c) 2006 Openedhand Ltd.
- * Written by Andrzej Zaborowski <balrog@zabor.org>
- *
- * This code is licensed under the GNU GPLv2.
- *
- * Contributions after 2012-01-13 are licensed under the terms of the
- * GNU GPL, version 2 or (at your option) any later version.
- */
-
-#ifndef HW_MISC_MAX111X_H
-#define HW_MISC_MAX111X_H
-
-#include "hw/ssi/ssi.h"
-#include "qom/object.h"
-
-/*
- * This is a model of the Maxim MAX1110/1111 ADC chip, which for QEMU
- * is an SSI slave device. It has either 4 (max1110) or 8 (max1111)
- * 8-bit ADC channels.
- *
- * QEMU interface:
- * + GPIO inputs 0..3 (for max1110) or 0..7 (for max1111): set the value
- * of each ADC input, as an unsigned 8-bit value
- * + GPIO output 0: interrupt line
- * + Properties "input0" to "input3" (max1110) or "input0" to "input7"
- * (max1111): initial reset values for ADC inputs.
- *
- * Known bugs:
- * + the interrupt line is not correctly implemented, and will never
- * be lowered once it has been asserted.
- */
-struct MAX111xState {
- SSIPeripheral parent_obj;
-
- qemu_irq interrupt;
- /* Values of inputs at system reset (settable by QOM property) */
- uint8_t reset_input[8];
-
- uint8_t tb1, rb2, rb3;
- int cycle;
-
- uint8_t input[8];
- int inputs, com;
-};
-
-#define TYPE_MAX_111X "max111x"
-
-OBJECT_DECLARE_SIMPLE_TYPE(MAX111xState, MAX_111X)
-
-#define TYPE_MAX_1110 "max1110"
-#define TYPE_MAX_1111 "max1111"
-
-#endif
projects / qemu.git / commitdiff