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/* Copyright 2021 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#define DT_DRV_COMPAT cros_i2c_mock
#include <device.h>
#include "emul/emul_common_i2c.h"
#include <logging/log.h>
LOG_MODULE_REGISTER(i2c_mock, CONFIG_I2C_MOCK_LOG_LEVEL);
struct i2c_emul *i2c_mock_to_i2c_emul(const struct emul *emul)
{
struct i2c_common_emul_data *data = emul->data;
return &(data->emul);
}
void i2c_mock_reset(const struct emul *emul)
{
struct i2c_emul *i2c_emul = i2c_mock_to_i2c_emul(emul);
i2c_common_emul_set_read_fail_reg(i2c_emul,
I2C_COMMON_EMUL_NO_FAIL_REG);
i2c_common_emul_set_write_fail_reg(i2c_emul,
I2C_COMMON_EMUL_NO_FAIL_REG);
i2c_common_emul_set_read_func(i2c_emul, NULL, NULL);
i2c_common_emul_set_write_func(i2c_emul, NULL, NULL);
}
uint16_t i2c_mock_get_addr(const struct emul *emul)
{
const struct i2c_common_emul_cfg *cfg = emul->cfg;
return cfg->addr;
}
static const struct i2c_emul_api i2c_mock_api = {
.transfer = i2c_common_emul_transfer,
};
static int i2c_mock_init(const struct emul *emul,
const struct device *parent)
{
const struct i2c_common_emul_cfg *cfg = emul->cfg;
struct i2c_common_emul_data *data = emul->data;
data->emul.api = &i2c_mock_api;
data->emul.addr = cfg->addr;
data->emul.parent = emul;
data->i2c = parent;
data->cfg = cfg;
i2c_common_emul_init(data);
return i2c_emul_register(parent, emul->dev_label, &data->emul);
}
#define INIT_I2C_MOCK(n) \
static const struct i2c_common_emul_cfg i2c_mock_cfg_##n = { \
.i2c_label = DT_INST_BUS_LABEL(n), \
.dev_label = DT_INST_LABEL(n), \
.addr = DT_INST_REG_ADDR(n), \
}; \
static struct i2c_common_emul_data i2c_mock_data_##n; \
EMUL_DEFINE(i2c_mock_init, DT_DRV_INST(n), &i2c_mock_cfg_##n, \
&i2c_mock_data_##n)
DT_INST_FOREACH_STATUS_OKAY(INIT_I2C_MOCK)
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