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adc: Move the max111x driver to the adc directory
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>
This commit is contained in:
Corey Minyard
parent
246f530cdb
commit
58f3e3fe69
8 changed files with 9 additions and 9 deletions
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@ -11,9 +11,6 @@ config ARMSSE_MHU
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config ARMSSE_CPU_PWRCTRL
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bool
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config MAX111X
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bool
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config TMP105
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bool
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depends on I2C
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@ -1,236 +0,0 @@
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/*
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* Maxim MAX1110/1111 ADC chip emulation.
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*
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* Copyright (c) 2006 Openedhand Ltd.
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* Written by Andrzej Zaborowski <balrog@zabor.org>
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*
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* This code is licensed under the GNU GPLv2.
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*
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* Contributions after 2012-01-13 are licensed under the terms of the
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* GNU GPL, version 2 or (at your option) any later version.
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*/
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#include "qemu/osdep.h"
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#include "hw/misc/max111x.h"
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#include "hw/irq.h"
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#include "migration/vmstate.h"
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#include "qemu/module.h"
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#include "hw/qdev-properties.h"
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/* Control-byte bitfields */
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#define CB_PD0 (1 << 0)
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#define CB_PD1 (1 << 1)
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#define CB_SGL (1 << 2)
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#define CB_UNI (1 << 3)
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#define CB_SEL0 (1 << 4)
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#define CB_SEL1 (1 << 5)
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#define CB_SEL2 (1 << 6)
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#define CB_START (1 << 7)
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#define CHANNEL_NUM(v, b0, b1, b2) \
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((((v) >> (2 + (b0))) & 4) | \
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(((v) >> (3 + (b1))) & 2) | \
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(((v) >> (4 + (b2))) & 1))
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static uint32_t max111x_read(MAX111xState *s)
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{
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if (!s->tb1)
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return 0;
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switch (s->cycle ++) {
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case 1:
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return s->rb2;
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case 2:
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return s->rb3;
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}
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return 0;
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}
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/* Interpret a control-byte */
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static void max111x_write(MAX111xState *s, uint32_t value)
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{
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int measure, chan;
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/* Ignore the value if START bit is zero */
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if (!(value & CB_START))
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return;
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s->cycle = 0;
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if (!(value & CB_PD1)) {
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s->tb1 = 0;
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return;
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}
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s->tb1 = value;
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if (s->inputs == 8)
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chan = CHANNEL_NUM(value, 1, 0, 2);
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else
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chan = CHANNEL_NUM(value & ~CB_SEL0, 0, 1, 2);
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if (value & CB_SGL)
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measure = s->input[chan] - s->com;
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else
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measure = s->input[chan] - s->input[chan ^ 1];
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if (!(value & CB_UNI))
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measure ^= 0x80;
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s->rb2 = (measure >> 2) & 0x3f;
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s->rb3 = (measure << 6) & 0xc0;
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/* FIXME: When should the IRQ be lowered? */
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qemu_irq_raise(s->interrupt);
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}
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static uint32_t max111x_transfer(SSIPeripheral *dev, uint32_t value)
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{
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MAX111xState *s = MAX_111X(dev);
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max111x_write(s, value);
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return max111x_read(s);
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}
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static const VMStateDescription vmstate_max111x = {
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.name = "max111x",
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.version_id = 1,
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.minimum_version_id = 1,
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.fields = (VMStateField[]) {
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VMSTATE_SSI_PERIPHERAL(parent_obj, MAX111xState),
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VMSTATE_UINT8(tb1, MAX111xState),
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VMSTATE_UINT8(rb2, MAX111xState),
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VMSTATE_UINT8(rb3, MAX111xState),
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VMSTATE_INT32_EQUAL(inputs, MAX111xState, NULL),
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VMSTATE_INT32(com, MAX111xState),
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VMSTATE_ARRAY_INT32_UNSAFE(input, MAX111xState, inputs,
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vmstate_info_uint8, uint8_t),
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VMSTATE_END_OF_LIST()
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}
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};
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static void max111x_input_set(void *opaque, int line, int value)
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{
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MAX111xState *s = MAX_111X(opaque);
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assert(line >= 0 && line < s->inputs);
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s->input[line] = value;
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}
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static int max111x_init(SSIPeripheral *d, int inputs)
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{
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DeviceState *dev = DEVICE(d);
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MAX111xState *s = MAX_111X(dev);
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qdev_init_gpio_out(dev, &s->interrupt, 1);
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qdev_init_gpio_in(dev, max111x_input_set, inputs);
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s->inputs = inputs;
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return 0;
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}
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static void max1110_realize(SSIPeripheral *dev, Error **errp)
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{
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max111x_init(dev, 8);
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}
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static void max1111_realize(SSIPeripheral *dev, Error **errp)
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{
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max111x_init(dev, 4);
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}
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static void max111x_reset(DeviceState *dev)
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{
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MAX111xState *s = MAX_111X(dev);
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int i;
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for (i = 0; i < s->inputs; i++) {
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s->input[i] = s->reset_input[i];
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}
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s->com = 0;
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s->tb1 = 0;
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s->rb2 = 0;
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s->rb3 = 0;
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s->cycle = 0;
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}
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static Property max1110_properties[] = {
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/* Reset values for ADC inputs */
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DEFINE_PROP_UINT8("input0", MAX111xState, reset_input[0], 0xf0),
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DEFINE_PROP_UINT8("input1", MAX111xState, reset_input[1], 0xe0),
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DEFINE_PROP_UINT8("input2", MAX111xState, reset_input[2], 0xd0),
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DEFINE_PROP_UINT8("input3", MAX111xState, reset_input[3], 0xc0),
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DEFINE_PROP_END_OF_LIST(),
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};
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static Property max1111_properties[] = {
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/* Reset values for ADC inputs */
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DEFINE_PROP_UINT8("input0", MAX111xState, reset_input[0], 0xf0),
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DEFINE_PROP_UINT8("input1", MAX111xState, reset_input[1], 0xe0),
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DEFINE_PROP_UINT8("input2", MAX111xState, reset_input[2], 0xd0),
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DEFINE_PROP_UINT8("input3", MAX111xState, reset_input[3], 0xc0),
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DEFINE_PROP_UINT8("input4", MAX111xState, reset_input[4], 0xb0),
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DEFINE_PROP_UINT8("input5", MAX111xState, reset_input[5], 0xa0),
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DEFINE_PROP_UINT8("input6", MAX111xState, reset_input[6], 0x90),
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DEFINE_PROP_UINT8("input7", MAX111xState, reset_input[7], 0x80),
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DEFINE_PROP_END_OF_LIST(),
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};
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static void max111x_class_init(ObjectClass *klass, void *data)
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{
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SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
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DeviceClass *dc = DEVICE_CLASS(klass);
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k->transfer = max111x_transfer;
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dc->reset = max111x_reset;
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dc->vmsd = &vmstate_max111x;
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set_bit(DEVICE_CATEGORY_MISC, dc->categories);
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}
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static const TypeInfo max111x_info = {
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.name = TYPE_MAX_111X,
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.parent = TYPE_SSI_PERIPHERAL,
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.instance_size = sizeof(MAX111xState),
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.class_init = max111x_class_init,
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.abstract = true,
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};
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static void max1110_class_init(ObjectClass *klass, void *data)
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{
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SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
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DeviceClass *dc = DEVICE_CLASS(klass);
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k->realize = max1110_realize;
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device_class_set_props(dc, max1110_properties);
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}
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static const TypeInfo max1110_info = {
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.name = TYPE_MAX_1110,
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.parent = TYPE_MAX_111X,
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.class_init = max1110_class_init,
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};
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static void max1111_class_init(ObjectClass *klass, void *data)
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{
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SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
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DeviceClass *dc = DEVICE_CLASS(klass);
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k->realize = max1111_realize;
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device_class_set_props(dc, max1111_properties);
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}
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static const TypeInfo max1111_info = {
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.name = TYPE_MAX_1111,
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.parent = TYPE_MAX_111X,
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.class_init = max1111_class_init,
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};
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static void max111x_register_types(void)
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{
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type_register_static(&max111x_info);
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type_register_static(&max1110_info);
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type_register_static(&max1111_info);
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}
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type_init(max111x_register_types)
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@ -3,7 +3,6 @@ softmmu_ss.add(when: 'CONFIG_EDU', if_true: files('edu.c'))
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softmmu_ss.add(when: 'CONFIG_FW_CFG_DMA', if_true: files('vmcoreinfo.c'))
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softmmu_ss.add(when: 'CONFIG_ISA_DEBUG', if_true: files('debugexit.c'))
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softmmu_ss.add(when: 'CONFIG_ISA_TESTDEV', if_true: files('pc-testdev.c'))
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softmmu_ss.add(when: 'CONFIG_MAX111X', if_true: files('max111x.c'))
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softmmu_ss.add(when: 'CONFIG_PCA9552', if_true: files('pca9552.c'))
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softmmu_ss.add(when: 'CONFIG_PCI_TESTDEV', if_true: files('pci-testdev.c'))
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softmmu_ss.add(when: 'CONFIG_SGA', if_true: files('sga.c'))
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