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/* Copyright 2018 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "adc.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_bmi_common.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 "i2c_bitbang.h"
#include "it8801.h"
#include "keyboard_scan.h"
#include "lid_switch.h"
#include "panic.h"
#include "power.h"
#include "power_button.h"
#include "registers.h"
#include "spi.h"
#include "system.h"
#include "tablet_mode.h"
#include "task.h"
#include "tcpm/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) },
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
/******************************************************************************/
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
{ .name = "typec",
.port = 0,
.kbps = 400,
.scl = GPIO_I2C1_SCL,
.sda = GPIO_I2C1_SDA },
{ .name = "other",
.port = 1,
.kbps = 100,
.scl = GPIO_I2C2_SCL,
.sda = GPIO_I2C2_SDA },
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
const struct i2c_port_t i2c_bitbang_ports[] = {
{ .name = "battery",
.port = 2,
.kbps = 100,
.scl = GPIO_I2C3_SCL,
.sda = GPIO_I2C3_SDA,
.drv = &bitbang_drv },
};
const unsigned int i2c_bitbang_ports_used = ARRAY_SIZE(i2c_bitbang_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);
/* Keyboard scan setting */
__override struct keyboard_scan_config keyscan_config = {
/*
* TODO(b/133200075): Tune this once we have the final performance
* out of the driver and the i2c bus.
*/
.output_settle_us = 35,
.debounce_down_us = 5 * MSEC,
.debounce_up_us = 40 * MSEC,
.scan_period_us = 10 * MSEC,
.min_post_scan_delay_us = 10 * MSEC,
.poll_timeout_us = 100 * MSEC,
.actual_key_mask = {
0x14, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff,
0xa4, 0xff, 0xfe, 0x55, 0xfa, 0xca /* full set */
},
};
struct ioexpander_config_t ioex_config[CONFIG_IO_EXPANDER_PORT_COUNT] = {
[0] = {
.i2c_host_port = I2C_PORT_KB_DISCRETE,
.i2c_addr_flags = IT8801_I2C_ADDR1,
.drv = &it8801_ioexpander_drv,
},
};
/******************************************************************************/
/* 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_MAX_COUNT] = {
{
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = I2C_PORT_TCPC0,
.addr_flags = FUSB302_I2C_ADDR_FLAGS,
},
.drv = &fusb302_tcpm_drv,
},
};
static void board_hpd_status(const struct usb_mux *me, mux_state_t mux_state,
bool *ack_required)
{
/* This driver does not use host command ACKs */
*ack_required = false;
/*
* svdm_dp_attention() did most of the work, we only need to notify
* host here.
*/
host_set_single_event(EC_HOST_EVENT_USB_MUX);
}
const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = {
{
.usb_port = 0,
.i2c_port = I2C_PORT_USB_MUX,
.i2c_addr_flags = 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 && charge_port != CHARGE_PORT_NONE)
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(CHARGER_SOLO, 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 = charger_discharge_on_ac(enable);
if (ret)
return ret;
force_discharge = enable;
return board_set_active_charge_port(port);
}
int pd_snk_is_vbus_provided(int port)
{
/* TODO(b:138352732): read IT8801 GPIO EN_USBC_CHARGE_L */
return EC_ERROR_UNIMPLEMENTED;
}
void bc12_interrupt(enum gpio_signal signal)
{
usb_charger_task_set_event(0, USB_CHG_EVENT_BC12);
}
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);
}
/* Enable TCPC alert interrupts */
gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL);
/* Enable interrupt from PMIC. */
gpio_enable_interrupt(GPIO_PMIC_EC_RESETB);
/* Enable BC12 interrupt */
gpio_enable_interrupt(GPIO_BC12_EC_INT_ODL);
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
/* 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);
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