457 lines
12 KiB
C
457 lines
12 KiB
C
/* Copyright 2017 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 "chipset.h"
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#include "charge_manager.h"
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#include "charge_state.h"
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#include "common.h"
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#include "console.h"
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#include "ec_commands.h"
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#include "driver/accelgyro_bmi160.h"
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#include "driver/baro_bmp280.h"
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#include "driver/tcpm/fusb302.h"
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#include "driver/temp_sensor/tmp432.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 "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 "switch.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 "temp_sensor.h"
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#include "temp_sensor_chip.h"
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#include "timer.h"
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#include "thermal.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 overtemp_interrupt(enum gpio_signal signal)
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{
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CPRINTS("AP wants shutdown");
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chipset_force_shutdown(CHIPSET_SHUTDOWN_THERMAL);
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}
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static void warm_reset_request_interrupt(enum gpio_signal signal)
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{
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CPRINTS("AP wants warm reset");
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chipset_reset(CHIPSET_RESET_AP_REQ);
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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", 16, 4096, 0, STM32_AIN(10)},
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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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{"tcpc0", I2C_PORT_TCPC0, 1000, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
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};
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const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
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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_PP1250_S3_PG, POWER_SIGNAL_ACTIVE_HIGH, "PP1250_S3_PWR_GOOD"},
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{GPIO_PP900_S0_PG, POWER_SIGNAL_ACTIVE_HIGH, "PP900_S0_PWR_GOOD"},
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{GPIO_AP_CORE_PG, POWER_SIGNAL_ACTIVE_HIGH, "AP_PWR_GOOD"},
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{GPIO_AP_EC_S3_S0_L, POWER_SIGNAL_ACTIVE_LOW, "SUSPEND_DEASSERTED"},
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};
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BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
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#ifdef CONFIG_TEMP_SENSOR_TMP432
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/* Temperature sensors data; must be in same order as enum temp_sensor_id. */
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const struct temp_sensor_t temp_sensors[] = {
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{"TMP432_Internal", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val,
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TMP432_IDX_LOCAL, 4},
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{"TMP432_Sensor_1", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val,
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TMP432_IDX_REMOTE1, 4},
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{"TMP432_Sensor_2", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val,
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TMP432_IDX_REMOTE2, 4},
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};
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BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
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/*
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* Thermal limits for each temp sensor. All temps are in degrees K. Must be in
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* same order as enum temp_sensor_id. To always ignore any temp, use 0.
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*/
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struct ec_thermal_config thermal_params[] = {
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{{0, 0, 0}, 0, 0}, /* TMP432_Internal */
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{{0, 0, 0}, 0, 0}, /* TMP432_Sensor_1 */
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{{0, 0, 0}, 0, 0}, /* TMP432_Sensor_2 */
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};
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BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT);
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#endif
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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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{ CONFIG_SPI_ACCEL_PORT, 1, GPIO_SPI_ACCEL_CS_L },
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{ CONFIG_SPI_ACCEL_PORT, 1, GPIO_SPI_BARO_CS_L },
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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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/* Wake-up pins for hibernate */
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const enum gpio_signal hibernate_wake_pins[] = {
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GPIO_POWER_BUTTON_L, GPIO_CHARGER_INT_L
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};
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const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins);
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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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struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = {
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{
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.driver = &virtual_usb_mux_driver,
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.hpd_update = &virtual_hpd_update,
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},
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};
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void board_reset_pd_mcu(void)
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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_L))
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status |= PD_STATUS_TCPC_ALERT_0;
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return status;
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}
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int board_set_active_charge_port(int charge_port)
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{
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/*
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* NOP because there is no internal power therefore no charging.
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* Placeholder so common/charge_manager.c is built.
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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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/*
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* NOP because there is no internal power therefore no charging.
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* Placeholder so common/charge_manager.c is built.
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*/
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}
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int extpower_is_present(void)
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{
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/* There is no internal power on this board. */
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return 1;
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}
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int pd_snk_is_vbus_provided(int port)
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{
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/* Must be, if we're at a stage where this function is called. */
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return 1;
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}
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static void board_spi_enable(void)
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{
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gpio_config_module(MODULE_SPI_MASTER, 1);
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/* Enable clocks to SPI2 module */
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STM32_RCC_APB1ENR |= STM32_RCC_PB1_SPI2;
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/* Reset SPI2 */
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STM32_RCC_APB1RSTR |= STM32_RCC_PB1_SPI2;
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STM32_RCC_APB1RSTR &= ~STM32_RCC_PB1_SPI2;
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spi_enable(CONFIG_SPI_ACCEL_PORT, 1);
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}
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DECLARE_HOOK(HOOK_CHIPSET_STARTUP,
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board_spi_enable,
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MOTION_SENSE_HOOK_PRIO - 1);
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static void board_spi_disable(void)
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{
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spi_enable(CONFIG_SPI_ACCEL_PORT, 0);
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/* Disable clocks to SPI2 module */
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STM32_RCC_APB1ENR &= ~STM32_RCC_PB1_SPI2;
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gpio_config_module(MODULE_SPI_MASTER, 0);
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}
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DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN,
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board_spi_disable,
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MOTION_SENSE_HOOK_PRIO + 1);
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static void board_init(void)
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{
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/* Enable TCPC alert interrupts */
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gpio_enable_interrupt(GPIO_USB_C0_PD_INT_L);
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/* Enable reboot / shutdown control inputs from AP */
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gpio_enable_interrupt(GPIO_WARM_RESET_REQ);
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gpio_enable_interrupt(GPIO_AP_OVERTEMP);
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/* Enable interrupts from BMI160 sensor. */
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gpio_enable_interrupt(GPIO_ACCEL_INT_L);
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/* Set SPI2 pins to high speed */
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/* pins D0/D1/D3/D4 */
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STM32_GPIO_OSPEEDR(GPIO_D) |= 0x000003cf;
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/* Sensor Init */
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if (system_jumped_to_this_image() && chipset_in_state(CHIPSET_STATE_ON))
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board_spi_enable();
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}
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DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
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void board_config_pre_init(void)
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{
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STM32_RCC_AHBENR |= STM32_RCC_HB_DMA1;
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/*
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* Remap USART1 and SPI2 DMA:
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*
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* Ch4: USART1_TX / Ch5: USART1_RX (1000)
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* Ch6: SPI2_RX / Ch7: SPI2_TX (0011)
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*/
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STM32_DMA_CSELR(STM32_DMAC_CH4) = (8 << 12) | (8 << 16) |
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(3 << 20) | (3 << 24);
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}
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void board_hibernate(void)
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{
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int rv;
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/*
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* Disable the power enables for the TCPCs since we're going into
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* hibernate. The charger VBUS interrupt will wake us up and reset the
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* EC. Upon init, we'll reinitialize the TCPCs to be at full power.
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*/
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CPRINTS("Set TCPCs to low power");
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rv = tcpc_write(0, TCPC_REG_POWER, TCPC_REG_POWER_PWR_LOW);
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if (rv)
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CPRINTS("Error setting TCPC %d", 0);
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cflush();
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}
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enum rainier_board_version {
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BOARD_VERSION_UNKNOWN = -1,
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BOARD_VERSION_REV0 = 0,
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BOARD_VERSION_REV1 = 1,
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BOARD_VERSION_REV2 = 2,
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BOARD_VERSION_REV3 = 3,
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BOARD_VERSION_REV4 = 4,
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BOARD_VERSION_REV5 = 5,
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BOARD_VERSION_REV6 = 6,
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BOARD_VERSION_REV7 = 7,
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BOARD_VERSION_REV8 = 8,
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BOARD_VERSION_REV9 = 9,
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BOARD_VERSION_REV10 = 10,
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BOARD_VERSION_REV11 = 11,
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BOARD_VERSION_REV12 = 12,
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BOARD_VERSION_REV13 = 13,
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BOARD_VERSION_REV14 = 14,
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BOARD_VERSION_REV15 = 15,
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BOARD_VERSION_COUNT,
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};
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struct {
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enum rainier_board_version version;
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int expect_mv;
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} const rainier_boards[] = {
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{ BOARD_VERSION_REV0, 109 }, /* 51.1K , 2.2K(gru 3.3K) ohm */
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{ BOARD_VERSION_REV1, 211 }, /* 51.1k , 6.8K ohm */
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{ BOARD_VERSION_REV2, 319 }, /* 51.1K , 11K ohm */
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{ BOARD_VERSION_REV3, 427 }, /* 56K , 17.4K ohm */
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{ BOARD_VERSION_REV4, 542 }, /* 51.1K , 22K ohm */
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{ BOARD_VERSION_REV5, 666 }, /* 51.1K , 30K ohm */
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{ BOARD_VERSION_REV6, 781 }, /* 51.1K , 39.2K ohm */
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{ BOARD_VERSION_REV7, 900 }, /* 56K , 56K ohm */
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{ BOARD_VERSION_REV8, 1023 }, /* 47K , 61.9K ohm */
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{ BOARD_VERSION_REV9, 1137 }, /* 47K , 80.6K ohm */
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{ BOARD_VERSION_REV10, 1240 }, /* 56K , 124K ohm */
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{ BOARD_VERSION_REV11, 1343 }, /* 51.1K , 150K ohm */
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{ BOARD_VERSION_REV12, 1457 }, /* 47K , 200K ohm */
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{ BOARD_VERSION_REV13, 1576 }, /* 47K , 330K ohm */
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{ BOARD_VERSION_REV14, 1684 }, /* 47K , 680K ohm */
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{ BOARD_VERSION_REV15, 1800 }, /* 56K , NC */
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};
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BUILD_ASSERT(ARRAY_SIZE(rainier_boards) == BOARD_VERSION_COUNT);
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#define THRESHOLD_MV 56 /* Simply assume 1800/16/2 */
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int board_get_version(void)
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{
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static int version = BOARD_VERSION_UNKNOWN;
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int mv;
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int i;
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if (version != BOARD_VERSION_UNKNOWN)
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return version;
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gpio_set_level(GPIO_EC_BOARD_ID_EN_L, 0);
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/* Wait to allow cap charge */
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msleep(10);
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mv = adc_read_channel(ADC_BOARD_ID);
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if (mv == ADC_READ_ERROR)
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mv = adc_read_channel(ADC_BOARD_ID);
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gpio_set_level(GPIO_EC_BOARD_ID_EN_L, 1);
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for (i = 0; i < BOARD_VERSION_COUNT; ++i) {
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if (mv < rainier_boards[i].expect_mv + THRESHOLD_MV) {
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version = rainier_boards[i].version;
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break;
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}
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}
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return version;
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}
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/* Motion sensors */
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#ifdef HAS_TASK_MOTIONSENSE
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/* Mutexes */
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static struct mutex g_base_mutex;
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static struct bmi160_drv_data_t g_bmi160_data;
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/* Matrix to rotate accelerometer into standard reference frame */
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const mat33_fp_t base_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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static struct bmp280_drv_data_t bmp280_drv_data;
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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_base_mutex,
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.drv_data = &g_bmi160_data,
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.port = CONFIG_SPI_ACCEL_PORT,
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.i2c_spi_addr_flags = SLAVE_MK_SPI_ADDR_FLAGS(CONFIG_SPI_ACCEL_PORT),
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.rot_standard_ref = &base_standard_ref,
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.default_range = 2, /* g, enough for laptop. */
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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_base_mutex,
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.drv_data = &g_bmi160_data,
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.port = CONFIG_SPI_ACCEL_PORT,
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.i2c_spi_addr_flags = SLAVE_MK_SPI_ADDR_FLAGS(CONFIG_SPI_ACCEL_PORT),
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.default_range = 1000, /* dps */
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.rot_standard_ref = &base_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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.config = {
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/* Enable gyro 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_BARO] = {
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.name = "Baro",
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.active_mask = SENSOR_ACTIVE_S0_S3,
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.chip = MOTIONSENSE_CHIP_BMP280,
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.type = MOTIONSENSE_TYPE_BARO,
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.location = MOTIONSENSE_LOC_LID,
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.drv = &bmp280_drv,
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.drv_data = &bmp280_drv_data,
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.port = CONFIG_SPI_ACCEL_PORT,
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.i2c_spi_addr_flags = SLAVE_MK_SPI_ADDR_FLAGS(CONFIG_SPI_ACCEL_PORT),
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.default_range = BIT(18), /* 1bit = 4 Pa, 16bit ~= 2600 hPa */
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.min_frequency = BMP280_BARO_MIN_FREQ,
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.max_frequency = BMP280_BARO_MAX_FREQ,
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},
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};
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const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
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#endif /* defined(HAS_TASK_MOTIONSENSE) */
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int board_allow_i2c_passthru(int port)
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{
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/*
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* Battery port is the only port passthru is allowed on and this board
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* does not have a battery, therefore always return false.
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*/
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return 0;
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}
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int charge_want_shutdown(void)
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{
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/*
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* power/rk3399.c assumes there is internal power. Therefore this stub
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* returns false to prevent arbitrary shutdown.
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*/
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return 0;
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}
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int charge_prevent_power_on(int power_button_pressed)
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{
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/* Assume there is always sufficient power from charger to power on. */
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return 0;
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}
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