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/* Copyright 2022 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.
*/
#include "common.h"
#include "adc_chip.h"
#include "hooks.h"
#include "temp_sensor.h"
#include "thermal.h"
#include "temp_sensor/thermistor.h"
/* ADC configuration */
const struct adc_t adc_channels[] = {
[ADC_TEMP_SENSOR_1_SSD] = {
.name = "TEMP_SSD",
.input_ch = NPCX_ADC_CH0,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
},
[ADC_TEMP_SENSOR_2_CPU_VR] = {
.name = "TEMP_CPU_VR",
.input_ch = NPCX_ADC_CH1,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
},
[ADC_TEMP_SENSOR_4_DIMM] = {
.name = "TEMP_DIMM",
.input_ch = NPCX_ADC_CH7,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
},
[ADC_VBUS] = { /* 5/39 voltage divider */
.name = "VBUS",
.input_ch = NPCX_ADC_CH2,
.factor_mul = ADC_MAX_VOLT * 39,
.factor_div = (ADC_READ_MAX + 1) * 5,
},
[ADC_PPVAR_IMON] = { /* 20/(20+8.66)*50/200 current divider */
.name = "PPVAR_IMON",
.input_ch = NPCX_ADC_CH3,
.factor_mul = ADC_MAX_VOLT * 1433,
.factor_div = (ADC_READ_MAX + 1) * 250,
},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
/* Temperature sensor configuration */
const struct temp_sensor_t temp_sensors[] = {
[TEMP_SENSOR_1_SSD] = { .name = "SSD",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = get_temp_3v3_30k9_47k_4050b,
.idx = ADC_TEMP_SENSOR_1_SSD },
[TEMP_SENSOR_2_CPU_VR] = { .name = "CPU VR",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = get_temp_3v3_30k9_47k_4050b,
.idx = ADC_TEMP_SENSOR_2_CPU_VR },
[TEMP_SENSOR_4_DIMM] = { .name = "DIMM",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = get_temp_3v3_30k9_47k_4050b,
.idx = ADC_TEMP_SENSOR_4_DIMM },
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
#define THERMAL_SSD \
{ \
.temp_host = { \
[EC_TEMP_THRESH_HALT] = C_TO_K(64), \
}, \
}
__maybe_unused static const struct ec_thermal_config thermal_ssd = THERMAL_SSD;
#define THERMAL_CPU \
{ \
.temp_host = { \
[EC_TEMP_THRESH_HALT] = C_TO_K(100), \
}, \
}
__maybe_unused static const struct ec_thermal_config thermal_cpu = THERMAL_CPU;
#define THERMAL_DIMM \
{ \
.temp_host = { \
[EC_TEMP_THRESH_HALT] = C_TO_K(67), \
}, \
}
__maybe_unused static const struct ec_thermal_config thermal_dimm =
THERMAL_DIMM;
/*
* TODO(b/197478860): add the thermal sensor setting
*/
/* this should really be "const" */
struct ec_thermal_config thermal_params[] = {
[TEMP_SENSOR_1_SSD] = THERMAL_SSD,
[TEMP_SENSOR_2_CPU_VR] = THERMAL_CPU,
[TEMP_SENSOR_4_DIMM] = THERMAL_DIMM,
};
BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT);
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