566 lines
15 KiB
C
566 lines
15 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 "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/als_tcs3400.h"
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#include "driver/bc12/pi3usb9201.h"
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#include "driver/charger/rt946x.h"
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#include "driver/sync.h"
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#include "driver/tcpm/mt6370.h"
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#include "driver/usb_mux/it5205.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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static void gauge_interrupt(enum gpio_signal signal)
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{
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task_wake(TASK_ID_CHARGER);
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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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[ADC_POGO_ADC_INT_L] = {"POGO_ADC_INT_L", 3300, 4096, 0, STM32_AIN(6)},
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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, 400, 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_FLAGS PI3USB9201_I2C_ADDR_3_FLAGS
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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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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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/******************************************************************************/
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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 = MT6370_TCPC_I2C_ADDR_FLAGS,
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},
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.drv = &mt6370_tcpm_drv,
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},
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};
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void board_set_dp_mux_control(int output_enable, int polarity)
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{
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if (board_get_version() >= 5)
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return;
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gpio_set_level(GPIO_USB_C0_DP_OE_L, !output_enable);
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if (output_enable)
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gpio_set_level(GPIO_USB_C0_DP_POLARITY, polarity);
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}
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static void board_hpd_update(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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.port_addr = IT5205_I2C_ADDR1_FLAGS,
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.driver = &it5205_usb_mux_driver,
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.hpd_update = &board_hpd_update,
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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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gpio_set_level(GPIO_EN_POGO_CHARGE_L, 1);
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gpio_set_level(GPIO_EN_USBC_CHARGE_L, 0);
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break;
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#if CONFIG_DEDICATED_CHARGE_PORT_COUNT > 0
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case CHARGE_PORT_POGO:
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gpio_set_level(GPIO_EN_USBC_CHARGE_L, 1);
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gpio_set_level(GPIO_EN_POGO_CHARGE_L, 0);
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break;
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#endif
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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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gpio_set_level(GPIO_EN_POGO_CHARGE_L, 1);
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gpio_set_level(GPIO_EN_USBC_CHARGE_L, 1);
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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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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 extpower_is_present(void)
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{
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/*
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* The charger will indicate VBUS presence if we're sourcing 5V,
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* so exclude such ports.
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*/
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int usb_c_extpower_present;
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if (board_vbus_source_enabled(CHARGE_PORT_USB_C))
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usb_c_extpower_present = 0;
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else
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usb_c_extpower_present = tcpm_get_vbus_level(CHARGE_PORT_USB_C);
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return usb_c_extpower_present || gpio_get_level(GPIO_POGO_VBUS_PRESENT);
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}
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int pd_snk_is_vbus_provided(int port)
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{
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if (port)
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panic("Invalid charge port\n");
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return rt946x_is_vbus_ready();
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}
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#if defined(BOARD_KUKUI) || defined(BOARD_KODAMA)
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/* dummy interrupt function for kukui */
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void pogo_adc_interrupt(enum gpio_signal signal)
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{
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}
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#endif
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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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/* Enable charger interrupts */
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gpio_enable_interrupt(GPIO_CHARGER_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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/* Enable interrupt for the camera vsync. */
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gpio_enable_interrupt(GPIO_SYNC_INT);
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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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/* Enable gauge interrupt from max17055 */
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gpio_enable_interrupt(GPIO_GAUGE_INT_ODL);
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/* Enable pogo interrupt */
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gpio_enable_interrupt(GPIO_POGO_ADC_INT_L);
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if (IS_ENABLED(BOARD_KRANE)) {
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/*
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* Fix backlight led maximum current:
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* tolerance 120mA * 0.75 = 90mA.
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* (b/133655155)
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*/
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mt6370_backlight_set_dim(MT6370_BLDIM_DEFAULT * 3 / 4);
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}
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/* Enable pogo charging signal */
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gpio_enable_interrupt(GPIO_POGO_VBUS_PRESENT);
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}
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DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
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static void board_rev_init(void)
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{
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/* Board revision specific configs. */
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/*
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* It's a P1 pin BOOTBLOCK_MUX_OE, also a P2 pin BC12_DET_EN.
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* Keep this pin defaults to P1 setting since that eMMC enabled with
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* High-Z stat.
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*/
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if (IS_ENABLED(BOARD_KUKUI) && board_get_version() == 1)
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gpio_set_flags(GPIO_BC12_DET_EN, GPIO_ODR_HIGH);
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if (board_get_version() >= 2 && board_get_version() < 4) {
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/* Display bias settings. */
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mt6370_db_set_voltages(6000, 5800, 5800);
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/*
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* Enable MT6370 DB_POSVOUT/DB_NEGVOUT (controlled by _EN pins).
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*/
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mt6370_db_external_control(1);
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}
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if (board_get_version() == 2) {
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/* configure PI3USB9201 to USB Path ON Mode */
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i2c_write8(I2C_PORT_BC12, BC12_I2C_ADDR_FLAGS,
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PI3USB9201_REG_CTRL_1,
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(PI3USB9201_USB_PATH_ON <<
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PI3USB9201_REG_CTRL_1_MODE_SHIFT));
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}
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if (board_get_version() < 5) {
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gpio_set_flags(GPIO_USB_C0_DP_OE_L, GPIO_OUT_HIGH);
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gpio_set_flags(GPIO_USB_C0_DP_POLARITY, GPIO_OUT_LOW);
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usb_muxes[0].driver = &virtual_usb_mux_driver;
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usb_muxes[0].hpd_update = &virtual_hpd_update;
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}
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}
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DECLARE_HOOK(HOOK_INIT, board_rev_init, HOOK_PRIO_INIT_ADC + 1);
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/* Motion sensors */
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/* Mutexes */
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#ifndef VARIANT_KUKUI_NO_SENSORS
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static struct mutex g_lid_mutex;
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static struct bmi160_drv_data_t g_bmi160_data;
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/* TCS3400 private data */
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static struct als_drv_data_t g_tcs3400_data = {
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.als_cal.scale = 1,
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.als_cal.uscale = 0,
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.als_cal.offset = 0,
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.als_cal.channel_scale = {
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.k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kc */
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.cover_scale = ALS_CHANNEL_SCALE(1.0), /* CT */
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},
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};
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static struct tcs3400_rgb_drv_data_t g_tcs3400_rgb_data = {
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/*
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* TODO(b:139366662): calculates the actual coefficients and scaling
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* factors
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*/
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.rgb_cal[X] = {
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.offset = 0,
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.scale = {
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.k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kr */
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.cover_scale = ALS_CHANNEL_SCALE(1.0)
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},
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.coeff[TCS_RED_COEFF_IDX] = FLOAT_TO_FP(0),
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.coeff[TCS_GREEN_COEFF_IDX] = FLOAT_TO_FP(0),
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.coeff[TCS_BLUE_COEFF_IDX] = FLOAT_TO_FP(0),
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.coeff[TCS_CLEAR_COEFF_IDX] = FLOAT_TO_FP(0),
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},
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.rgb_cal[Y] = {
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.offset = 0,
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.scale = {
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.k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kg */
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.cover_scale = ALS_CHANNEL_SCALE(1.0)
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},
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.coeff[TCS_RED_COEFF_IDX] = FLOAT_TO_FP(0),
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.coeff[TCS_GREEN_COEFF_IDX] = FLOAT_TO_FP(0),
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.coeff[TCS_BLUE_COEFF_IDX] = FLOAT_TO_FP(0),
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.coeff[TCS_CLEAR_COEFF_IDX] = FLOAT_TO_FP(0.1),
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},
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.rgb_cal[Z] = {
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.offset = 0,
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.scale = {
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.k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kb */
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.cover_scale = ALS_CHANNEL_SCALE(1.0)
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},
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.coeff[TCS_RED_COEFF_IDX] = FLOAT_TO_FP(0),
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.coeff[TCS_GREEN_COEFF_IDX] = FLOAT_TO_FP(0),
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.coeff[TCS_BLUE_COEFF_IDX] = FLOAT_TO_FP(0),
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.coeff[TCS_CLEAR_COEFF_IDX] = FLOAT_TO_FP(0),
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},
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.saturation.again = TCS_DEFAULT_AGAIN,
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.saturation.atime = TCS_DEFAULT_ATIME,
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};
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/* Matrix to rotate accelerometer into standard reference frame */
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#ifdef BOARD_KUKUI
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static const mat33_fp_t lid_standard_ref = {
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{FLOAT_TO_FP(1), 0, 0},
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{0, FLOAT_TO_FP(1), 0},
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{0, 0, FLOAT_TO_FP(1)}
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};
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#else
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static const mat33_fp_t lid_standard_ref = {
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{FLOAT_TO_FP(-1), 0, 0},
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{0, FLOAT_TO_FP(-1), 0},
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{0, 0, FLOAT_TO_FP(1)}
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};
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#endif /* BOARD_KUKUI */
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#ifdef CONFIG_MAG_BMI160_BMM150
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/* Matrix to rotate accelrator into standard reference frame */
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static const mat33_fp_t mag_standard_ref = {
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{0, FLOAT_TO_FP(-1), 0},
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{FLOAT_TO_FP(-1), 0, 0},
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{0, 0, FLOAT_TO_FP(-1)}
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};
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#endif /* CONFIG_MAG_BMI160_BMM150 */
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struct motion_sensor_t motion_sensors[] = {
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/*
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* Note: bmi160: supports accelerometer and gyro sensor
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* Requirement: accelerometer sensor must init before gyro sensor
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* DO NOT change the order of the following table.
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*/
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[LID_ACCEL] = {
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.name = "Accel",
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.active_mask = SENSOR_ACTIVE_S0_S3,
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.chip = MOTIONSENSE_CHIP_BMI160,
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.type = MOTIONSENSE_TYPE_ACCEL,
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.location = MOTIONSENSE_LOC_LID,
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.drv = &bmi160_drv,
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.mutex = &g_lid_mutex,
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.drv_data = &g_bmi160_data,
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.port = I2C_PORT_ACCEL,
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.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
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.rot_standard_ref = &lid_standard_ref,
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.default_range = 4, /* g */
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.min_frequency = BMI160_ACCEL_MIN_FREQ,
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.max_frequency = BMI160_ACCEL_MAX_FREQ,
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.config = {
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/* Enable accel in S0 */
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[SENSOR_CONFIG_EC_S0] = {
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.odr = 10000 | ROUND_UP_FLAG,
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.ec_rate = 100 * MSEC,
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},
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},
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},
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[LID_GYRO] = {
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.name = "Gyro",
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.active_mask = SENSOR_ACTIVE_S0_S3,
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.chip = MOTIONSENSE_CHIP_BMI160,
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.type = MOTIONSENSE_TYPE_GYRO,
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.location = MOTIONSENSE_LOC_LID,
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.drv = &bmi160_drv,
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.mutex = &g_lid_mutex,
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.drv_data = &g_bmi160_data,
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.port = I2C_PORT_ACCEL,
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.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
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.default_range = 1000, /* dps */
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.rot_standard_ref = &lid_standard_ref,
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.min_frequency = BMI160_GYRO_MIN_FREQ,
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.max_frequency = BMI160_GYRO_MAX_FREQ,
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},
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#ifdef CONFIG_MAG_BMI160_BMM150
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[LID_MAG] = {
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.name = "Lid Mag",
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.active_mask = SENSOR_ACTIVE_S0_S3,
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.chip = MOTIONSENSE_CHIP_BMI160,
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.type = MOTIONSENSE_TYPE_MAG,
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.location = MOTIONSENSE_LOC_LID,
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.drv = &bmi160_drv,
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.mutex = &g_lid_mutex,
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.drv_data = &g_bmi160_data,
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.port = I2C_PORT_ACCEL,
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.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
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.default_range = BIT(11), /* 16LSB / uT, fixed */
|
|
.rot_standard_ref = &mag_standard_ref,
|
|
.min_frequency = BMM150_MAG_MIN_FREQ,
|
|
.max_frequency = BMM150_MAG_MAX_FREQ(SPECIAL),
|
|
},
|
|
#endif /* CONFIG_MAG_BMI160_BMM150 */
|
|
[CLEAR_ALS] = {
|
|
.name = "Clear Light",
|
|
.active_mask = SENSOR_ACTIVE_S0_S3,
|
|
.chip = MOTIONSENSE_CHIP_TCS3400,
|
|
.type = MOTIONSENSE_TYPE_LIGHT,
|
|
.location = MOTIONSENSE_LOC_LID,
|
|
.drv = &tcs3400_drv,
|
|
.drv_data = &g_tcs3400_data,
|
|
.port = I2C_PORT_ALS,
|
|
.i2c_spi_addr_flags = TCS3400_I2C_ADDR_FLAGS,
|
|
.rot_standard_ref = NULL,
|
|
.default_range = 0x10000, /* scale = 1x, uscale = 0 */
|
|
.min_frequency = TCS3400_LIGHT_MIN_FREQ,
|
|
.max_frequency = TCS3400_LIGHT_MAX_FREQ,
|
|
.config = {
|
|
/* Run ALS sensor in S0 */
|
|
[SENSOR_CONFIG_EC_S0] = {
|
|
.odr = 1000,
|
|
},
|
|
},
|
|
},
|
|
[RGB_ALS] = {
|
|
.name = "RGB Light",
|
|
.active_mask = SENSOR_ACTIVE_S0_S3,
|
|
.chip = MOTIONSENSE_CHIP_TCS3400,
|
|
.type = MOTIONSENSE_TYPE_LIGHT_RGB,
|
|
.location = MOTIONSENSE_LOC_LID,
|
|
.drv = &tcs3400_rgb_drv,
|
|
.drv_data = &g_tcs3400_rgb_data,
|
|
/*.port = I2C_PORT_ALS,*/ /* Unused. RGB channels read by CLEAR_ALS. */
|
|
.rot_standard_ref = NULL,
|
|
.default_range = 0x10000, /* scale = 1x, uscale = 0 */
|
|
.min_frequency = 0, /* 0 indicates we should not use sensor directly */
|
|
.max_frequency = 0, /* 0 indicates we should not use sensor directly */
|
|
},
|
|
[VSYNC] = {
|
|
.name = "Camera vsync",
|
|
.active_mask = SENSOR_ACTIVE_S0,
|
|
.chip = MOTIONSENSE_CHIP_GPIO,
|
|
.type = MOTIONSENSE_TYPE_SYNC,
|
|
.location = MOTIONSENSE_LOC_CAMERA,
|
|
.drv = &sync_drv,
|
|
.default_range = 0,
|
|
.min_frequency = 0,
|
|
.max_frequency = 1,
|
|
},
|
|
};
|
|
const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
|
|
const struct motion_sensor_t *motion_als_sensors[] = {
|
|
&motion_sensors[CLEAR_ALS],
|
|
};
|
|
#endif /* VARIANT_KUKUI_NO_SENSORS */
|
|
|
|
void usb_charger_set_switches(int port, enum usb_switch setting)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* Return if VBUS is sagging too low
|
|
*/
|
|
int board_is_vbus_too_low(int port, enum chg_ramp_vbus_state ramp_state)
|
|
{
|
|
/*
|
|
* Though we have a more tolerant range (3.9V~13.4V), setting 4400 to
|
|
* prevent from a bad charger crashed.
|
|
*
|
|
* TODO(b:131284131): mt6370 VBUS reading is not accurate currently.
|
|
* Vendor will provide a workaround solution to fix the gap between ADC
|
|
* reading and actual voltage. After the workaround applied, we could
|
|
* try to raise this value to 4600. (when it says it read 4400, it is
|
|
* actually close to 4600)
|
|
*/
|
|
return charger_get_vbus_voltage(port) < 4400;
|
|
}
|
|
|
|
__override int board_charge_port_is_sink(int port)
|
|
{
|
|
/* TODO(b:128386458): Check POGO_ADC_INT_L */
|
|
return 1;
|
|
}
|
|
|
|
__override int board_charge_port_is_connected(int port)
|
|
{
|
|
return gpio_get_level(GPIO_POGO_VBUS_PRESENT);
|
|
}
|
|
|
|
__override
|
|
void board_fill_source_power_info(int port,
|
|
struct ec_response_usb_pd_power_info *r)
|
|
{
|
|
r->meas.voltage_now = 3300;
|
|
r->meas.voltage_max = 3300;
|
|
r->meas.current_max = 1500;
|
|
r->meas.current_lim = 1500;
|
|
r->max_power = r->meas.voltage_now * r->meas.current_max;
|
|
}
|