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/* Copyright 2021 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "adc.h"
#include "charger/chg_rt9490.h"
#include "driver/charger/rt9490.h"
#include "temp_sensor.h"
#include "temp_sensor/pct2075.h"
#include "temp_sensor/sb_tsi.h"
#include "temp_sensor/temp_sensor.h"
#include "temp_sensor/thermistor.h"
#include "temp_sensor/tmp112.h"
#if DT_HAS_COMPAT_STATUS_OKAY(TEMP_SENSORS_COMPAT)
BUILD_ASSERT(DT_NUM_INST_STATUS_OKAY(TEMP_SENSORS_COMPAT) == 1,
"Only one temperature sensors node is allowed");
#define GET_POWER_GOOD_PROP(node_id) DT_PROP(node_id, power_good_pin)
#define GET_POWER_GOOD_DEV(node_id) \
DEVICE_DT_GET(DT_GPIO_CTLR(GET_POWER_GOOD_PROP(node_id), gpios))
#define GET_POWER_GOOD_PIN(node_id) \
DT_GPIO_PIN(GET_POWER_GOOD_PROP(node_id), gpios)
#define POWER_GOOD_ENTRY(node_id) \
.power_good_dev = GET_POWER_GOOD_DEV(node_id), \
.power_good_pin = GET_POWER_GOOD_PIN(node_id),
#define POWER_GOOD_ENTRY_NULL(node_id) \
.power_good_dev = NULL, .power_good_pin = 0,
#define POWER_GOOD(node_id) \
[TEMP_SENSOR_ID(node_id)] = { COND_CODE_1( \
DT_NODE_HAS_PROP(node_id, power_good_pin), \
(POWER_GOOD_ENTRY(node_id)), \
(POWER_GOOD_ENTRY_NULL(node_id))) }
#if ANY_INST_HAS_POWER_GOOD_PIN
#define FILL_POWER_GOOD(node_id) \
COND_CODE_1(DT_NODE_HAS_PROP(node_id, power_good_pin), \
(.power_good_dev = GET_POWER_GOOD_DEV(node_id), \
.power_good_pin = GET_POWER_GOOD_PIN(node_id), ), \
(.power_good_dev = NULL, .power_good_pin = 0, ))
#else
#define FILL_POWER_GOOD(node_id)
#endif /* ANY_INST_HAS_POWER_GOOD_PIN */
static int thermistor_get_temp(const struct temp_sensor_t *sensor,
int *temp_ptr)
{
return thermistor_get_temperature(sensor->idx, temp_ptr,
sensor->zephyr_info->thermistor);
}
#define GET_THERMISTOR_DATUM(node_sample_id) \
[DT_PROP(node_sample_id, \
sample_index)] = { .mv = DT_PROP(node_sample_id, milivolt), \
.temp = DT_PROP(node_sample_id, temp) }
#define DEFINE_THERMISTOR_DATA(node_id) \
static const struct thermistor_data_pair DT_CAT( \
node_id, _thermistor_data)[] = { \
DT_FOREACH_CHILD_SEP(node_id, GET_THERMISTOR_DATUM, (, )) \
};
#define GET_THERMISTOR_INFO(node_id) \
(&(const struct thermistor_info){ \
.scaling_factor = DT_PROP(node_id, scaling_factor), \
.num_pairs = DT_PROP(node_id, num_pairs), \
.data = DT_CAT(node_id, _thermistor_data), \
})
#define GET_ZEPHYR_TEMP_SENSOR_THERMISTOR(named_id, sensor_id) \
(&(const struct zephyr_temp_sensor){ \
.read = &thermistor_get_temp, \
.thermistor = GET_THERMISTOR_INFO( \
DT_PHANDLE(sensor_id, thermistor)), \
FILL_POWER_GOOD(named_id) })
#define TEMP_THERMISTOR(named_id, sensor_id) \
[TEMP_SENSOR_ID(named_id)] = { \
.name = DT_NODE_FULL_NAME(sensor_id), \
.idx = ZSHIM_ADC_ID(DT_PHANDLE(sensor_id, adc)), \
.type = TEMP_SENSOR_TYPE_BOARD, \
.zephyr_info = GET_ZEPHYR_TEMP_SENSOR_THERMISTOR(named_id, \
sensor_id), \
}
DT_FOREACH_STATUS_OKAY(cros_ec_thermistor, DEFINE_THERMISTOR_DATA)
#if DT_HAS_COMPAT_STATUS_OKAY(PCT2075_COMPAT)
/* The function maybe unused because a temperature sensor can be added to dts
* without a reference in the cros_ec_temp_sensors node.
*/
__maybe_unused static int pct2075_get_temp(const struct temp_sensor_t *sensor,
int *temp_ptr)
{
return pct2075_get_val_k(sensor->idx, temp_ptr);
}
#endif /* PCT2075_COMPAT */
#define DEFINE_PCT2075_DATA(node_id) \
[PCT2075_SENSOR_ID(node_id)] = { \
.i2c_port = I2C_PORT_BY_DEV(node_id), \
.i2c_addr_flags = \
(DT_REG_ADDR(node_id) | I2C_FLAG_BIG_ENDIAN), \
},
#define GET_ZEPHYR_TEMP_SENSOR_PCT2075(named_id) \
(&(const struct zephyr_temp_sensor){ .read = &pct2075_get_temp, \
.thermistor = NULL, \
FILL_POWER_GOOD(named_id) })
#define TEMP_PCT2075(named_id, sensor_id) \
[TEMP_SENSOR_ID(named_id)] = { \
.name = DT_NODE_FULL_NAME(sensor_id), \
.idx = PCT2075_SENSOR_ID(sensor_id), \
.type = TEMP_SENSOR_TYPE_BOARD, \
.zephyr_info = GET_ZEPHYR_TEMP_SENSOR_PCT2075(named_id), \
}
const struct pct2075_sensor_t pct2075_sensors[PCT2075_COUNT] = {
DT_FOREACH_STATUS_OKAY(PCT2075_COMPAT, DEFINE_PCT2075_DATA)
};
#if DT_HAS_COMPAT_STATUS_OKAY(SB_TSI_COMPAT)
/* The function maybe unused because a temperature sensor can be added to dts
* without a reference in the cros_ec_temp_sensors node.
*/
__maybe_unused static int sb_tsi_get_temp(const struct temp_sensor_t *sensor,
int *temp_ptr)
{
return sb_tsi_get_val(sensor->idx, temp_ptr);
}
/* There can be only one SB TSI sensor with current driver */
#if DT_NUM_INST_STATUS_OKAY(SB_TSI_COMPAT) > 1
#error "Unsupported number of SB TSI sensors"
#endif
#endif /* SB_TSI_COMPAT */
#define GET_ZEPHYR_TEMP_SENSOR_SB_TSI(named_id) \
(&(const struct zephyr_temp_sensor){ .read = &sb_tsi_get_temp, \
.thermistor = NULL, \
FILL_POWER_GOOD(named_id) })
#define TEMP_SB_TSI(named_id, sensor_id) \
[TEMP_SENSOR_ID(named_id)] = { \
.name = DT_NODE_FULL_NAME(sensor_id), \
.idx = 0, \
.type = TEMP_SENSOR_TYPE_CPU, \
.zephyr_info = GET_ZEPHYR_TEMP_SENSOR_SB_TSI(named_id), \
}
#if DT_HAS_COMPAT_STATUS_OKAY(TMP112_COMPAT)
/* The function maybe unused because a temperature sensor can be added to dts
* without a reference in the cros_ec_temp_sensors node.
*/
__maybe_unused static int tmp112_get_temp(const struct temp_sensor_t *sensor,
int *temp_ptr)
{
return tmp112_get_val_k(sensor->idx, temp_ptr);
}
#endif /* TMP112_COMPAT */
#define DEFINE_TMP112_DATA(node_id) \
[TMP112_SENSOR_ID(node_id)] = { \
.i2c_port = I2C_PORT_BY_DEV(node_id), \
.i2c_addr_flags = DT_REG_ADDR(node_id), \
},
#define GET_ZEPHYR_TEMP_SENSOR_TMP112(named_id) \
(&(const struct zephyr_temp_sensor){ .read = &tmp112_get_temp, \
.thermistor = NULL, \
FILL_POWER_GOOD(named_id) })
#define TEMP_TMP112(named_id, sensor_id) \
[TEMP_SENSOR_ID(named_id)] = { \
.name = DT_NODE_FULL_NAME(sensor_id), \
.idx = TMP112_SENSOR_ID(sensor_id), \
.type = TEMP_SENSOR_TYPE_BOARD, \
.zephyr_info = GET_ZEPHYR_TEMP_SENSOR_TMP112(named_id), \
}
const struct tmp112_sensor_t tmp112_sensors[TMP112_COUNT] = {
DT_FOREACH_STATUS_OKAY(TMP112_COMPAT, DEFINE_TMP112_DATA)
};
/* There can be only one thermistor on RT9490 with current driver */
#define ADD_ONE(node_id) 1 +
#if DT_FOREACH_STATUS_OKAY_VARGS(RT9490_CHG_COMPAT, TEMP_RT9490_FN, \
ADD_ONE) 0 > 1
#error "Unsupported number of thermistor on RT9490"
#endif
#undef ADD_ONE
#define GET_ZEPHYR_TEMP_SENSOR_RT9490(named_id, sensor_id) \
(&(const struct zephyr_temp_sensor){ \
.read = &rt9490_get_thermistor_val, \
.thermistor = GET_THERMISTOR_INFO( \
DT_PHANDLE(sensor_id, thermistor)), \
FILL_POWER_GOOD(named_id) })
#define TEMP_RT9490(named_id, sensor_id) \
COND_CODE_1(DT_NODE_HAS_PROP(sensor_id, thermistor), ( \
[TEMP_SENSOR_ID(named_id)] = { \
.name = DT_NODE_FULL_NAME(sensor_id), \
.idx = 0, \
.type = TEMP_SENSOR_TYPE_BOARD, \
.zephyr_info = GET_ZEPHYR_TEMP_SENSOR_RT9490(named_id, \
sensor_id), \
} ), ())
#define DT_DRV_COMPAT TEMP_SENSORS_COMPAT
#define CHECK_COMPAT(compat, named_id, sensor_id, config_fn) \
COND_CODE_1(DT_NODE_HAS_COMPAT(sensor_id, compat), \
(config_fn(named_id, sensor_id)), ())
#define TEMP_SENSOR_FIND(named_id, sensor_id) \
CHECK_COMPAT(THERMISTOR_COMPAT, named_id, sensor_id, TEMP_THERMISTOR) \
CHECK_COMPAT(PCT2075_COMPAT, named_id, sensor_id, TEMP_PCT2075) \
CHECK_COMPAT(SB_TSI_COMPAT, named_id, sensor_id, TEMP_SB_TSI) \
CHECK_COMPAT(TMP112_COMPAT, named_id, sensor_id, TEMP_TMP112) \
CHECK_COMPAT(RT9490_CHG_COMPAT, named_id, sensor_id, TEMP_RT9490)
#define TEMP_SENSOR_ENTRY(named_id) \
TEMP_SENSOR_FIND(named_id, DT_PHANDLE(named_id, sensor))
const struct temp_sensor_t temp_sensors[] = { DT_FOREACH_CHILD_SEP(
TEMP_SENSORS_NODEID, TEMP_SENSOR_ENTRY, (, )) };
int temp_sensor_read(enum temp_sensor_id id, int *temp_ptr)
{
const struct temp_sensor_t *sensor;
if (id < 0 || id >= TEMP_SENSOR_COUNT)
return EC_ERROR_INVAL;
sensor = temp_sensors + id;
#if ANY_INST_HAS_POWER_GOOD_PIN
if (sensor->zephyr_info->power_good_dev) {
if (!gpio_pin_get(sensor->zephyr_info->power_good_dev,
sensor->zephyr_info->power_good_pin))
return EC_ERROR_NOT_POWERED;
}
#endif
return sensor->zephyr_info->read(sensor, temp_ptr);
}
#endif /* DT_HAS_COMPAT_STATUS_OKAY(TEMP_SENSORS_COMPAT) */
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