/* 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 "common.h"
#include "adc_chip.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_FAN] = {
		.name = "TEMP_FAN",
		.input_ch = NPCX_ADC_CH0,
		.factor_mul = ADC_MAX_VOLT,
		.factor_div = ADC_READ_MAX + 1,
		.shift = 0,
	},
	[ADC_TEMP_SENSOR_2_SOC] = {
		.name = "TEMP_SOC",
		.input_ch = NPCX_ADC_CH1,
		.factor_mul = ADC_MAX_VOLT,
		.factor_div = ADC_READ_MAX + 1,
		.shift = 0,
	},
	[ADC_TEMP_SENSOR_3_CHARGER] = {
		.name = "TEMP_CHARGER",
		.input_ch = NPCX_ADC_CH6,
		.factor_mul = ADC_MAX_VOLT,
		.factor_div = ADC_READ_MAX + 1,
		.shift = 0,
	},
	[ADC_TEMP_SENSOR_4_REGULATOR] = {
		.name = "TEMP_REGULATOR",
		.input_ch = NPCX_ADC_CH7,
		.factor_mul = ADC_MAX_VOLT,
		.factor_div = ADC_READ_MAX + 1,
		.shift = 0,
	},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);

/* Temperature sensor configuration */
const struct temp_sensor_t temp_sensors[] = {
	[TEMP_SENSOR_1_FAN] = { .name = "Fan",
				.type = TEMP_SENSOR_TYPE_BOARD,
				.read = get_temp_3v3_30k9_47k_4050b,
				.idx = ADC_TEMP_SENSOR_1_FAN },
	[TEMP_SENSOR_2_SOC] = { .name = "SOC",
				.type = TEMP_SENSOR_TYPE_BOARD,
				.read = get_temp_3v3_30k9_47k_4050b,
				.idx = ADC_TEMP_SENSOR_2_SOC },
	[TEMP_SENSOR_3_CHARGER] = { .name = "Charger",
				    .type = TEMP_SENSOR_TYPE_BOARD,
				    .read = get_temp_3v3_30k9_47k_4050b,
				    .idx = ADC_TEMP_SENSOR_3_CHARGER },
	[TEMP_SENSOR_4_REGULATOR] = { .name = "Regulator",
				      .type = TEMP_SENSOR_TYPE_BOARD,
				      .read = get_temp_3v3_30k9_47k_4050b,
				      .idx = ADC_TEMP_SENSOR_4_REGULATOR },
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);

/*
 * TODO(b/202062363): Remove when clang is fixed.
 */
#define THERMAL_FAN              \
	{                        \
		.temp_host = { \
			[EC_TEMP_THRESH_HIGH] = C_TO_K(65), \
			[EC_TEMP_THRESH_HALT] = C_TO_K(80), \
		}, \
		.temp_host_release = { \
			[EC_TEMP_THRESH_HIGH] = C_TO_K(73), \
		}, \
	}
__maybe_unused static const struct ec_thermal_config thermal_fan = THERMAL_FAN;

/*
 * Tiger Lake specifies 100 C as maximum TDP temperature.  THRMTRIP# occurs at
 * 130 C.  However, sensor is located next to SOC, so we need to use the lower
 * SOC temperature limit (85 C)
 */
/*
 * TODO(b/202062363): Remove when clang is fixed.
 */
#define THERMAL_CPU              \
	{                        \
		.temp_host = { \
			[EC_TEMP_THRESH_HIGH] = C_TO_K(75), \
			[EC_TEMP_THRESH_HALT] = C_TO_K(80), \
		}, \
		.temp_host_release = { \
			[EC_TEMP_THRESH_HIGH] = C_TO_K(65), \
		}, \
	}
__maybe_unused static const struct ec_thermal_config thermal_cpu = THERMAL_CPU;

/*
 * TODO(b/202062363): Remove when clang is fixed.
 */
#define THERMAL_CHARGER          \
	{                        \
		.temp_host = { \
			[EC_TEMP_THRESH_HIGH] = C_TO_K(80), \
			[EC_TEMP_THRESH_HALT] = C_TO_K(85), \
		}, \
		.temp_host_release = { \
			[EC_TEMP_THRESH_HIGH] = C_TO_K(75), \
		}, \
	}
__maybe_unused static const struct ec_thermal_config thermal_charger =
	THERMAL_CHARGER;

/*
 * TODO(b/202062363): Remove when clang is fixed.
 */
#define THERMAL_REGULATOR        \
	{                        \
		.temp_host = { \
			[EC_TEMP_THRESH_HIGH] = C_TO_K(55), \
			[EC_TEMP_THRESH_HALT] = C_TO_K(60), \
		}, \
		.temp_host_release = { \
			[EC_TEMP_THRESH_HIGH] = C_TO_K(48), \
		}, \
	}
__maybe_unused static const struct ec_thermal_config thermal_regulator =
	THERMAL_REGULATOR;

/* this should really be "const" */
struct ec_thermal_config thermal_params[] = {
	[TEMP_SENSOR_1_FAN] = THERMAL_FAN,
	[TEMP_SENSOR_2_SOC] = THERMAL_CPU,
	[TEMP_SENSOR_3_CHARGER] = THERMAL_CHARGER,
	[TEMP_SENSOR_4_REGULATOR] = THERMAL_REGULATOR,
};
BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT);