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path: root/board/spherion/board.c
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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.
 */
/* Spherion board configuration */

#include "adc.h"
#include "button.h"
#include "charge_manager.h"
#include "charge_state_v2.h"
#include "charger.h"
#include "chipset.h"
#include "common.h"
#include "console.h"
#include "driver/accel_lis2dw12.h"
#include "driver/accelgyro_bmi_common.h"
#include "driver/als_tcs3400.h"
#include "driver/bc12/mt6360.h"
#include "driver/bc12/pi3usb9201.h"
#include "driver/charger/isl923x.h"
#include "driver/ppc/syv682x.h"
#include "driver/tcpm/it83xx_pd.h"
#include "driver/temp_sensor/thermistor.h"
#include "driver/usb_mux/it5205.h"
#include "driver/usb_mux/ps8743.h"
#include "extpower.h"
#include "gpio.h"
#include "hooks.h"
#include "i2c.h"
#include "keyboard_scan.h"
#include "lid_switch.h"
#include "power.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "regulator.h"
#include "spi.h"
#include "switch.h"
#include "tablet_mode.h"
#include "task.h"
#include "temp_sensor.h"
#include "timer.h"
#include "uart.h"
#include "usb_charge.h"
#include "usb_mux.h"
#include "usb_pd_tcpm.h"
#include "usbc_ppc.h"

#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)

/* ADC channels. Must be in the exactly same order as in enum adc_channel. */
const struct adc_t adc_channels[] = {
	/* Convert to mV (3000mV/1024). */
	{"VBUS_C0", ADC_MAX_MVOLT * 10, ADC_READ_MAX + 1, 0, CHIP_ADC_CH0},
	{"BOARD_ID_0", ADC_MAX_MVOLT, ADC_READ_MAX + 1, 0, CHIP_ADC_CH1},
	{"BOARD_ID_1", ADC_MAX_MVOLT, ADC_READ_MAX + 1, 0, CHIP_ADC_CH2},
	/* AMON/BMON gain = 17.97 */
	{"CHARGER_AMON_R", ADC_MAX_MVOLT * 1000 / 17.97, ADC_READ_MAX + 1, 0,
	 CHIP_ADC_CH3},
	{"VBUS_C1", ADC_MAX_MVOLT * 10, ADC_READ_MAX + 1, 0, CHIP_ADC_CH5},
	{"CHARGER_PMON", ADC_MAX_MVOLT, ADC_READ_MAX + 1, 0, CHIP_ADC_CH6},
	{"TEMP_SENSOR_CHARGER", ADC_MAX_MVOLT, ADC_READ_MAX + 1, 0,
	 CHIP_ADC_CH7},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);

const struct temp_sensor_t temp_sensors[] = {
	[TEMP_SENSOR_CHARGER] = {.name = "Charger",
				 .type = TEMP_SENSOR_TYPE_BOARD,
				 .read = get_temp_3v3_30k9_47k_4050b,
				 .idx = ADC_TEMP_SENSOR_CHARGER},
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);

/* PWM */

/*
 * PWM channels. Must be in the exactly same order as in enum pwm_channel.
 * There total three 16 bits clock prescaler registers for all pwm channels,
 * so use the same frequency and prescaler register setting is required if
 * number of pwm channel greater than three.
 */
const struct pwm_t pwm_channels[] = {
	[PWM_CH_KBLIGHT] = {
		.channel = PWM_HW_CH_DCR2,
		.flags = 0,
		.freq_hz = 10000,
		.pcfsr_sel = PWM_PRESCALER_C4
	},
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);

static void kb_backlight_enable(void)
{
	gpio_set_level(GPIO_EC_KB_BL_EN, 1);
}
DECLARE_HOOK(HOOK_CHIPSET_RESUME, kb_backlight_enable, HOOK_PRIO_DEFAULT);

static void kb_backlight_disable(void)
{
	gpio_set_level(GPIO_EC_KB_BL_EN, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, kb_backlight_disable, HOOK_PRIO_DEFAULT);

void board_usb_mux_init(void)
{
	if (board_get_sub_board() == SUB_BOARD_TYPEC) {
		ps8743_tune_usb_eq(&usb_muxes[1],
				   PS8743_USB_EQ_TX_12_8_DB,
				   PS8743_USB_EQ_RX_12_8_DB);
		ps8743_field_update(&usb_muxes[1],
				   PS8743_REG_DCI_CONFIG_2,
				   PS8743_AUTO_DCI_MODE_MASK,
				   PS8743_AUTO_DCI_MODE_FORCE_USB);
	}
}
DECLARE_HOOK(HOOK_INIT, board_usb_mux_init, HOOK_PRIO_INIT_I2C + 1);

static void board_suspend(void)
{
	gpio_set_level(GPIO_EN_5V_USM, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_suspend, HOOK_PRIO_DEFAULT);

static void board_resume(void)
{
	gpio_set_level(GPIO_EN_5V_USM, 1);
}
DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_resume, HOOK_PRIO_DEFAULT);