263 lines
6.8 KiB
C
263 lines
6.8 KiB
C
/* Copyright 2018 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "adc.h"
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#include "adc_chip.h"
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#include "backlight.h"
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#include "button.h"
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#include "charge_manager.h"
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#include "charge_ramp.h"
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#include "charge_state.h"
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#include "charger.h"
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#include "chipset.h"
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#include "common.h"
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#include "console.h"
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#include "driver/accelgyro_bmi160.h"
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#include "driver/battery/max17055.h"
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#include "driver/bc12/pi3usb9201.h"
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#include "driver/charger/isl923x.h"
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#include "driver/sync.h"
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#include "driver/tcpm/fusb302.h"
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#include "driver/usb_mux/it5205.h"
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#include "ec_commands.h"
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#include "extpower.h"
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#include "gpio.h"
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#include "hooks.h"
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#include "host_command.h"
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#include "i2c.h"
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#include "lid_switch.h"
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#include "power.h"
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#include "power_button.h"
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#include "pwm.h"
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#include "pwm_chip.h"
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#include "registers.h"
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#include "spi.h"
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#include "system.h"
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#include "task.h"
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#include "tcpm.h"
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#include "timer.h"
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#include "usb_charge.h"
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#include "usb_mux.h"
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#include "usb_pd_tcpm.h"
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#include "util.h"
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#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
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#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
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static void tcpc_alert_event(enum gpio_signal signal)
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{
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schedule_deferred_pd_interrupt(0 /* port */);
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}
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#include "gpio_list.h"
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/******************************************************************************/
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/* ADC channels. Must be in the exactly same order as in enum adc_channel. */
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const struct adc_t adc_channels[] = {
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[ADC_BOARD_ID] = {"BOARD_ID", 3300, 4096, 0, STM32_AIN(10)},
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[ADC_EC_SKU_ID] = {"EC_SKU_ID", 3300, 4096, 0, STM32_AIN(8)},
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[ADC_BATT_ID] = {"BATT_ID", 3300, 4096, 0, STM32_AIN(7)},
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};
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BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
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/******************************************************************************/
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/* I2C ports */
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const struct i2c_port_t i2c_ports[] = {
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{"typec", 0, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
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{"other", 1, 100, GPIO_I2C2_SCL, GPIO_I2C2_SDA},
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};
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const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
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#define BC12_I2C_ADDR PI3USB9201_I2C_ADDR_3
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/* power signal list. Must match order of enum power_signal. */
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const struct power_signal_info power_signal_list[] = {
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{GPIO_AP_IN_SLEEP_L, POWER_SIGNAL_ACTIVE_LOW, "AP_IN_S3_L"},
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{GPIO_PMIC_EC_RESETB, POWER_SIGNAL_ACTIVE_HIGH, "PMIC_PWR_GOOD"},
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};
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BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
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/******************************************************************************/
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/* SPI devices */
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/* TODO: to be added once sensors land via CL:1714436 */
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const struct spi_device_t spi_devices[] = {
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};
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const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices);
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const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = {
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{
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.i2c_port = I2C_PORT_BC12,
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.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
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},
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};
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/******************************************************************************/
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const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = {
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{
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.bus_type = EC_BUS_TYPE_I2C,
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.i2c_info = {
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.port = I2C_PORT_TCPC0,
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.addr_flags = FUSB302_I2C_SLAVE_ADDR_FLAGS,
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},
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.drv = &fusb302_tcpm_drv,
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},
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};
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static void board_hpd_status(int port, int hpd_lvl, int hpd_irq)
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{
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/*
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* svdm_dp_attention() did most of the work, we only need to notify
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* host here.
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*/
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host_set_single_event(EC_HOST_EVENT_USB_MUX);
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}
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struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = {
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{
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/* Driver uses I2C_PORT_USB_MUX as I2C port */
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.port_addr = IT5205_I2C_ADDR1_FLAGS,
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.driver = &it5205_usb_mux_driver,
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.hpd_update = &board_hpd_status,
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},
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};
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uint16_t tcpc_get_alert_status(void)
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{
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uint16_t status = 0;
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if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL))
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status |= PD_STATUS_TCPC_ALERT_0;
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return status;
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}
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static int force_discharge;
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int board_set_active_charge_port(int charge_port)
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{
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CPRINTS("New chg p%d", charge_port);
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/* ignore all request when discharge mode is on */
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if (force_discharge)
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return EC_SUCCESS;
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switch (charge_port) {
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case CHARGE_PORT_USB_C:
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/* Don't charge from a source port */
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if (board_vbus_source_enabled(charge_port))
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return -1;
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break;
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case CHARGE_PORT_NONE:
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/*
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* To ensure the fuel gauge (max17055) is always powered
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* even when battery is disconnected, keep VBAT rail on but
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* set the charging current to minimum.
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*/
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charger_set_current(0);
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break;
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default:
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panic("Invalid charge port\n");
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break;
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}
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return EC_SUCCESS;
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}
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void board_set_charge_limit(int port, int supplier, int charge_ma,
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int max_ma, int charge_mv)
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{
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charge_ma = (charge_ma * 95) / 100;
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charge_set_input_current_limit(MAX(charge_ma,
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CONFIG_CHARGER_INPUT_CURRENT), charge_mv);
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}
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int board_discharge_on_ac(int enable)
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{
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int ret, port;
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if (enable) {
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port = CHARGE_PORT_NONE;
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} else {
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/* restore the charge port state */
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port = charge_manager_get_override();
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if (port == OVERRIDE_OFF)
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port = charge_manager_get_active_charge_port();
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}
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ret = board_set_active_charge_port(port);
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if (ret)
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return ret;
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force_discharge = enable;
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return charger_discharge_on_ac(enable);
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}
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int pd_snk_is_vbus_provided(int port)
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{
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/* TODO(b:138352732): read IT8801 GPIO EN_USBC_CHARGE_L */
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return EC_ERROR_UNIMPLEMENTED;
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}
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static void board_init(void)
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{
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/* If the reset cause is external, pulse PMIC force reset. */
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if (system_get_reset_flags() == EC_RESET_FLAG_RESET_PIN) {
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gpio_set_level(GPIO_PMIC_FORCE_RESET_ODL, 0);
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msleep(100);
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gpio_set_level(GPIO_PMIC_FORCE_RESET_ODL, 1);
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}
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/* Set SPI1 PB13/14/15 pins to high speed */
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STM32_GPIO_OSPEEDR(GPIO_B) |= 0xfc000000;
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/* Enable TCPC alert interrupts */
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gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL);
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#ifdef SECTION_IS_RW
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/* Enable interrupts from BMI160 sensor. */
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gpio_enable_interrupt(GPIO_ACCEL_INT_ODL);
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#endif /* SECTION_IS_RW */
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/* Enable interrupt from PMIC. */
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gpio_enable_interrupt(GPIO_PMIC_EC_RESETB);
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}
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DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
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/* Motion sensors */
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/* Mutexes */
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#ifdef SECTION_IS_RW
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/* TODO: to be added once sensors land via CL:1714436 */
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struct motion_sensor_t motion_sensors[] = {
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};
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const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
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#endif /* SECTION_IS_RW */
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/* TODO(b:138640167): config charger correctly */
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int charger_is_sourcing_otg_power(int port)
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{
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return 0;
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}
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/* Called on AP S5 -> S3 transition */
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static void board_chipset_startup(void)
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{
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gpio_set_level(GPIO_EN_USBA_5V, 1);
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}
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DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT);
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/* Called on AP S3 -> S5 transition */
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static void board_chipset_shutdown(void)
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{
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gpio_set_level(GPIO_EN_USBA_5V, 0);
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}
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DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT);
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int board_get_charger_i2c(void)
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{
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/* TODO(b:138415463): confirm the bus allocation for future builds */
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return board_get_version() == 1 ? 2 : 1;
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}
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