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