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Diffstat (limited to 'board/corori2/board.c')
| -rw-r--r-- | board/corori2/board.c | 745 |
1 files changed, 745 insertions, 0 deletions
diff --git a/board/corori2/board.c b/board/corori2/board.c new file mode 100644 index 0000000000..df2fac683f --- /dev/null +++ b/board/corori2/board.c @@ -0,0 +1,745 @@ +/* Copyright 2021 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. + */ + +/* Waddledoo board-specific configuration */ + +#include "adc_chip.h" +#include "button.h" +#include "cbi_fw_config.h" +#include "charge_manager.h" +#include "charge_state_v2.h" +#include "charger.h" +#include "chipset.h" +#include "common.h" +#include "compile_time_macros.h" +#include "driver/temp_sensor/thermistor.h" +#include "temp_sensor.h" +#include "driver/accel_bma2x2.h" +#include "driver/accelgyro_bmi_common.h" +#include "driver/bc12/pi3usb9201.h" +#include "driver/charger/isl923x.h" +#include "driver/retimer/nb7v904m.h" +#include "driver/tcpm/raa489000.h" +#include "driver/tcpm/tcpci.h" +#include "driver/usb_mux/pi3usb3x532.h" +#include "extpower.h" +#include "gpio.h" +#include "hooks.h" +#include "i2c.h" +#include "keyboard_scan.h" +#include "lid_switch.h" +#include "motion_sense.h" +#include "power.h" +#include "power_button.h" +#include "pwm.h" +#include "pwm_chip.h" +#include "stdbool.h" +#include "switch.h" +#include "system.h" +#include "tablet_mode.h" +#include "task.h" +#include "usb_mux.h" +#include "usb_pd.h" +#include "usb_pd_tcpm.h" + +#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) +#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) + +#define INT_RECHECK_US 5000 + +/* C0 interrupt line shared by BC 1.2 and charger */ +static void check_c0_line(void); +DECLARE_DEFERRED(check_c0_line); + +static void notify_c0_chips(void) +{ + /* + * The interrupt line is shared between the TCPC and BC 1.2 detection + * chip. Therefore we'll need to check both ICs. + */ + schedule_deferred_pd_interrupt(0); + task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12); +} + +static void check_c0_line(void) +{ + /* + * If line is still being held low, see if there's more to process from + * one of the chips + */ + if (!gpio_get_level(GPIO_USB_C0_INT_ODL)) { + notify_c0_chips(); + hook_call_deferred(&check_c0_line_data, INT_RECHECK_US); + } +} + +static void usb_c0_interrupt(enum gpio_signal s) +{ + /* Cancel any previous calls to check the interrupt line */ + hook_call_deferred(&check_c0_line_data, -1); + + /* Notify all chips using this line that an interrupt came in */ + notify_c0_chips(); + + /* Check the line again in 5ms */ + hook_call_deferred(&check_c0_line_data, INT_RECHECK_US); + +} + +/* C1 interrupt line shared by BC 1.2, TCPC, and charger */ +static void check_c1_line(void); +DECLARE_DEFERRED(check_c1_line); + +static void notify_c1_chips(void) +{ + schedule_deferred_pd_interrupt(1); + task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12); +} + +static void check_c1_line(void) +{ + /* + * If line is still being held low, see if there's more to process from + * one of the chips. + */ + if (!gpio_get_level(GPIO_SUB_C1_INT_EN_RAILS_ODL)) { + notify_c1_chips(); + hook_call_deferred(&check_c1_line_data, INT_RECHECK_US); + } +} + +static void sub_usb_c1_interrupt(enum gpio_signal s) +{ + /* Cancel any previous calls to check the interrupt line */ + hook_call_deferred(&check_c1_line_data, -1); + + /* Notify all chips using this line that an interrupt came in */ + notify_c1_chips(); + + /* Check the line again in 5ms */ + hook_call_deferred(&check_c1_line_data, INT_RECHECK_US); + +} + +static void sub_hdmi_hpd_interrupt(enum gpio_signal s) +{ + int hdmi_hpd_odl = gpio_get_level(GPIO_EC_I2C_SUB_C1_SDA_HDMI_HPD_ODL); + + gpio_set_level(GPIO_EC_AP_USB_C1_HDMI_HPD, !hdmi_hpd_odl); +} + +#include "gpio_list.h" + +/* ADC channels */ +const struct adc_t adc_channels[] = { + [ADC_TEMP_SENSOR_1] = { + .name = "TEMP_SENSOR1", + .input_ch = NPCX_ADC_CH0, + .factor_mul = ADC_MAX_VOLT, + .factor_div = ADC_READ_MAX + 1, + .shift = 0, + }, + [ADC_TEMP_SENSOR_2] = { + .name = "TEMP_SENSOR2", + .input_ch = NPCX_ADC_CH1, + .factor_mul = ADC_MAX_VOLT, + .factor_div = ADC_READ_MAX + 1, + .shift = 0, + }, + [ADC_SUB_ANALOG] = { + .name = "SUB_ANALOG", + .input_ch = NPCX_ADC_CH2, + .factor_mul = ADC_MAX_VOLT, + .factor_div = ADC_READ_MAX + 1, + .shift = 0, + }, + [ADC_VSNS_PP3300_A] = { + .name = "PP3300_A_PGOOD", + .input_ch = NPCX_ADC_CH9, + .factor_mul = ADC_MAX_VOLT, + .factor_div = ADC_READ_MAX + 1, + .shift = 0, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); + +/* Thermistors */ +const struct temp_sensor_t temp_sensors[] = { + [ADC_TEMP_SENSOR_1] = {.name = "Memory", + .type = TEMP_SENSOR_TYPE_BOARD, + .read = get_temp_3v3_51k1_47k_4050b, + .idx = ADC_TEMP_SENSOR_1}, + [ADC_TEMP_SENSOR_2] = {.name = "Charger", + .type = TEMP_SENSOR_TYPE_BOARD, + .read = get_temp_3v3_51k1_47k_4050b, + .idx = ADC_TEMP_SENSOR_2}, +}; +BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); + +/* + * TODO(b/202062363): Remove when clang is fixed. + */ +#define THERMAL_MEMORY \ + { \ + .temp_host = { \ + [EC_TEMP_THRESH_WARN] = 0, \ + [EC_TEMP_THRESH_HIGH] = C_TO_K(85), \ + [EC_TEMP_THRESH_HALT] = C_TO_K(95), \ + }, \ + .temp_host_release = { \ + [EC_TEMP_THRESH_WARN] = 0, \ + [EC_TEMP_THRESH_HIGH] = C_TO_K(70), \ + [EC_TEMP_THRESH_HALT] = 0, \ + }, \ + } +__maybe_unused static const struct ec_thermal_config thermal_memory = + THERMAL_MEMORY; + +/* + * TODO(b/202062363): Remove when clang is fixed. + */ +#define THERMAL_CHARGER \ + { \ + .temp_host = { \ + [EC_TEMP_THRESH_WARN] = 0, \ + [EC_TEMP_THRESH_HIGH] = C_TO_K(80), \ + [EC_TEMP_THRESH_HALT] = C_TO_K(85), \ + }, \ + .temp_host_release = { \ + [EC_TEMP_THRESH_WARN] = 0, \ + [EC_TEMP_THRESH_HIGH] = C_TO_K(55), \ + [EC_TEMP_THRESH_HALT] = 0, \ + }, \ + } +__maybe_unused static const struct ec_thermal_config thermal_charger = + THERMAL_CHARGER; + +struct ec_thermal_config thermal_params[TEMP_SENSOR_COUNT]; + +static void setup_thermal(void) +{ + thermal_params[ADC_TEMP_SENSOR_1] = thermal_memory; + thermal_params[ADC_TEMP_SENSOR_2] = thermal_charger; +} + +void board_init(void) +{ + int on; + + /* Enable C0 interrupt and check if it needs processing */ + gpio_enable_interrupt(GPIO_USB_C0_INT_ODL); + check_c0_line(); + + if (get_cbi_fw_config_db() == DB_1A_HDMI) { + /* Disable i2c on HDMI pins */ + gpio_config_pin(MODULE_I2C, + GPIO_EC_I2C_SUB_C1_SDA_HDMI_HPD_ODL, 0); + gpio_config_pin(MODULE_I2C, + GPIO_EC_I2C_SUB_C1_SCL_HDMI_EN_ODL, 0); + + /* Set HDMI and sub-rail enables to output */ + gpio_set_flags(GPIO_EC_I2C_SUB_C1_SCL_HDMI_EN_ODL, + chipset_in_state(CHIPSET_STATE_ON) ? + GPIO_ODR_LOW : GPIO_ODR_HIGH); + gpio_set_flags(GPIO_SUB_C1_INT_EN_RAILS_ODL, GPIO_ODR_HIGH); + + /* Select HDMI option */ + gpio_set_level(GPIO_HDMI_SEL_L, 0); + + /* Enable interrupt for passing through HPD */ + gpio_enable_interrupt(GPIO_EC_I2C_SUB_C1_SDA_HDMI_HPD_ODL); + } else { + /* Set SDA as an input */ + gpio_set_flags(GPIO_EC_I2C_SUB_C1_SDA_HDMI_HPD_ODL, + GPIO_INPUT); + + /* Enable C1 interrupt and check if it needs processing */ + gpio_enable_interrupt(GPIO_SUB_C1_INT_EN_RAILS_ODL); + check_c1_line(); + } + /* Enable gpio interrupt for base accelgyro sensor */ + gpio_enable_interrupt(GPIO_BASE_SIXAXIS_INT_L); + + /* Turn on 5V if the system is on, otherwise turn it off. */ + on = chipset_in_state(CHIPSET_STATE_ON | CHIPSET_STATE_ANY_SUSPEND | + CHIPSET_STATE_SOFT_OFF); + board_power_5v_enable(on); + + /* Initialize THERMAL */ + setup_thermal(); +} +DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); + +/* Enable HDMI any time the SoC is on */ +static void hdmi_enable(void) +{ + if (get_cbi_fw_config_db() == DB_1A_HDMI) + gpio_set_level(GPIO_EC_I2C_SUB_C1_SCL_HDMI_EN_ODL, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_STARTUP, hdmi_enable, HOOK_PRIO_DEFAULT); + +static void hdmi_disable(void) +{ + if (get_cbi_fw_config_db() == DB_1A_HDMI) + gpio_set_level(GPIO_EC_I2C_SUB_C1_SCL_HDMI_EN_ODL, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, hdmi_disable, HOOK_PRIO_DEFAULT); + +void board_hibernate(void) +{ + /* + * Both charger ICs need to be put into their "low power mode" before + * entering the Z-state. + */ + if (board_get_charger_chip_count() > 1) + raa489000_hibernate(1, true); + raa489000_hibernate(0, true); +} + +void board_reset_pd_mcu(void) +{ + /* + * TODO(b:147316511): Here we could issue a digital reset to the IC, + * unsure if we actually want to do that or not yet. + */ +} + +#ifdef BOARD_WADDLEDOO +static void reconfigure_5v_gpio(void) +{ + /* + * b/147257497: On early waddledoo boards, GPIO_EN_PP5000 was swapped + * with GPIO_VOLUP_BTN_ODL. Therefore, we'll actually need to set that + * GPIO instead for those boards. Note that this breaks the volume up + * button functionality. + */ + if (system_get_board_version() < 0) { + CPRINTS("old board - remapping 5V en"); + gpio_set_flags(GPIO_VOLUP_BTN_ODL, GPIO_OUT_LOW); + } +} +DECLARE_HOOK(HOOK_INIT, reconfigure_5v_gpio, HOOK_PRIO_INIT_I2C+1); +#endif /* BOARD_WADDLEDOO */ + +static void set_5v_gpio(int level) +{ + int version; + enum gpio_signal gpio = GPIO_EN_PP5000; + + /* + * b/147257497: On early waddledoo boards, GPIO_EN_PP5000 was swapped + * with GPIO_VOLUP_BTN_ODL. Therefore, we'll actually need to set that + * GPIO instead for those boards. Note that this breaks the volume up + * button functionality. + */ + if (IS_ENABLED(BOARD_WADDLEDOO)) { + version = system_get_board_version(); + + /* + * If the CBI EEPROM wasn't formatted, assume it's a very early + * board. + */ + gpio = version < 0 ? GPIO_VOLUP_BTN_ODL : GPIO_EN_PP5000; + } + + gpio_set_level(gpio, level); +} + +__override void board_power_5v_enable(int enable) +{ + /* + * Port 0 simply has a GPIO to turn on the 5V regulator, however, 5V is + * generated locally on the sub board and we need to set the comparator + * polarity on the sub board charger IC, or send enable signal to HDMI + * DB. + */ + set_5v_gpio(!!enable); + + if (get_cbi_fw_config_db() == DB_1A_HDMI) { + gpio_set_level(GPIO_SUB_C1_INT_EN_RAILS_ODL, !enable); + } else { + if (isl923x_set_comparator_inversion(1, !!enable)) + CPRINTS("Failed to %sable sub rails!", enable ? + "en" : "dis"); + } + +} + +__override uint8_t board_get_usb_pd_port_count(void) +{ + if (get_cbi_fw_config_db() == DB_1A_HDMI) + return CONFIG_USB_PD_PORT_MAX_COUNT - 1; + else + return CONFIG_USB_PD_PORT_MAX_COUNT; +} + +__override uint8_t board_get_charger_chip_count(void) +{ + if (get_cbi_fw_config_db() == DB_1A_HDMI) + return CHARGER_NUM - 1; + else + return CHARGER_NUM; +} + +int board_is_sourcing_vbus(int port) +{ + int regval; + + tcpc_read(port, TCPC_REG_POWER_STATUS, ®val); + return !!(regval & TCPC_REG_POWER_STATUS_SOURCING_VBUS); + +} + +int board_set_active_charge_port(int port) +{ + int is_real_port = (port >= 0 && + port < board_get_usb_pd_port_count()); + int i; + int old_port; + + if (!is_real_port && port != CHARGE_PORT_NONE) + return EC_ERROR_INVAL; + + old_port = charge_manager_get_active_charge_port(); + + CPRINTS("New chg p%d", port); + + /* Disable all ports. */ + if (port == CHARGE_PORT_NONE) { + for (i = 0; i < board_get_usb_pd_port_count(); i++) { + tcpc_write(i, TCPC_REG_COMMAND, + TCPC_REG_COMMAND_SNK_CTRL_LOW); + raa489000_enable_asgate(i, false); + } + + return EC_SUCCESS; + } + + /* Check if port is sourcing VBUS. */ + if (board_is_sourcing_vbus(port)) { + CPRINTS("Skip enable p%d", port); + return EC_ERROR_INVAL; + } + + /* + * Turn off the other ports' sink path FETs, before enabling the + * requested charge port. + */ + for (i = 0; i < board_get_usb_pd_port_count(); i++) { + if (i == port) + continue; + + if (tcpc_write(i, TCPC_REG_COMMAND, + TCPC_REG_COMMAND_SNK_CTRL_LOW)) + CPRINTS("p%d: sink path disable failed.", i); + raa489000_enable_asgate(i, false); + } + + /* + * Stop the charger IC from switching while changing ports. Otherwise, + * we can overcurrent the adapter we're switching to. (crbug.com/926056) + */ + if (old_port != CHARGE_PORT_NONE) + charger_discharge_on_ac(1); + + /* Enable requested charge port. */ + if (raa489000_enable_asgate(port, true) || + tcpc_write(port, TCPC_REG_COMMAND, + TCPC_REG_COMMAND_SNK_CTRL_HIGH)) { + CPRINTS("p%d: sink path enable failed.", port); + charger_discharge_on_ac(0); + return EC_ERROR_UNKNOWN; + } + + /* Allow the charger IC to begin/continue switching. */ + charger_discharge_on_ac(0); + + return EC_SUCCESS; +} + +void board_set_charge_limit(int port, int supplier, int charge_ma, + int max_ma, int charge_mv) +{ + int icl = MAX(charge_ma, CONFIG_CHARGER_INPUT_CURRENT); + + /* + * b/147463641: The charger IC seems to overdraw ~4%, therefore we + * reduce our target accordingly. + */ + icl = icl * 96 / 100; + charge_set_input_current_limit(icl, charge_mv); +} + +__override void typec_set_source_current_limit(int port, enum tcpc_rp_value rp) +{ + if (port < 0 || port > board_get_usb_pd_port_count()) + return; + + raa489000_set_output_current(port, rp); +} + +/* Sensors */ +static struct mutex g_lid_mutex; +static struct mutex g_base_mutex; + +/* Matrices to rotate accelerometers into the standard reference. */ +static const mat33_fp_t lid_standard_ref = { + { 0, FLOAT_TO_FP(1), 0}, + { FLOAT_TO_FP(-1), 0, 0}, + { 0, 0, FLOAT_TO_FP(1)} +}; + +static const mat33_fp_t base_standard_ref = { + { 0, FLOAT_TO_FP(1), 0}, + { FLOAT_TO_FP(-1), 0, 0}, + { 0, 0, FLOAT_TO_FP(1)} +}; + +static struct accelgyro_saved_data_t g_bma253_data; +static struct bmi_drv_data_t g_bmi160_data; + +struct motion_sensor_t motion_sensors[] = { + [LID_ACCEL] = { + .name = "Lid Accel", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_BMA255, + .type = MOTIONSENSE_TYPE_ACCEL, + .location = MOTIONSENSE_LOC_LID, + .drv = &bma2x2_accel_drv, + .mutex = &g_lid_mutex, + .drv_data = &g_bma253_data, + .port = I2C_PORT_SENSOR, + .i2c_spi_addr_flags = BMA2x2_I2C_ADDR1_FLAGS, + .rot_standard_ref = &lid_standard_ref, + .default_range = 2, + .min_frequency = BMA255_ACCEL_MIN_FREQ, + .max_frequency = BMA255_ACCEL_MAX_FREQ, + .config = { + [SENSOR_CONFIG_EC_S0] = { + .odr = 10000 | ROUND_UP_FLAG, + }, + [SENSOR_CONFIG_EC_S3] = { + .odr = 10000 | ROUND_UP_FLAG, + }, + }, + }, + [BASE_ACCEL] = { + .name = "Base Accel", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_BMI160, + .type = MOTIONSENSE_TYPE_ACCEL, + .location = MOTIONSENSE_LOC_BASE, + .drv = &bmi160_drv, + .mutex = &g_base_mutex, + .drv_data = &g_bmi160_data, + .port = I2C_PORT_SENSOR, + .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS, + .rot_standard_ref = &base_standard_ref, + .default_range = 4, + .min_frequency = BMI_ACCEL_MIN_FREQ, + .max_frequency = BMI_ACCEL_MAX_FREQ, + .config = { + [SENSOR_CONFIG_EC_S0] = { + .odr = 13000 | ROUND_UP_FLAG, + .ec_rate = 100 * MSEC, + }, + [SENSOR_CONFIG_EC_S3] = { + .odr = 10000 | ROUND_UP_FLAG, + .ec_rate = 100 * MSEC, + }, + }, + }, + [BASE_GYRO] = { + .name = "Base Gyro", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_BMI160, + .type = MOTIONSENSE_TYPE_GYRO, + .location = MOTIONSENSE_LOC_BASE, + .drv = &bmi160_drv, + .mutex = &g_base_mutex, + .drv_data = &g_bmi160_data, + .port = I2C_PORT_SENSOR, + .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS, + .default_range = 1000, /* dps */ + .rot_standard_ref = &base_standard_ref, + .min_frequency = BMI_GYRO_MIN_FREQ, + .max_frequency = BMI_GYRO_MAX_FREQ, + }, +}; + +const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); + +__override void ocpc_get_pid_constants(int *kp, int *kp_div, + int *ki, int *ki_div, + int *kd, int *kd_div) +{ + *kp = 1; + *kp_div = 20; + *ki = 1; + *ki_div = 250; + *kd = 0; + *kd_div = 1; +} + +int pd_snk_is_vbus_provided(int port) +{ + return pd_check_vbus_level(port, VBUS_PRESENT); +} + +const struct charger_config_t chg_chips[] = { + { + .i2c_port = I2C_PORT_USB_C0, + .i2c_addr_flags = ISL923X_ADDR_FLAGS, + .drv = &isl923x_drv, + }, + + { + .i2c_port = I2C_PORT_SUB_USB_C1, + .i2c_addr_flags = ISL923X_ADDR_FLAGS, + .drv = &isl923x_drv, + }, +}; + +const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = { + { + .i2c_port = I2C_PORT_USB_C0, + .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS, + .flags = PI3USB9201_ALWAYS_POWERED, + }, + + { + .i2c_port = I2C_PORT_SUB_USB_C1, + .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS, + .flags = PI3USB9201_ALWAYS_POWERED, + }, +}; + +/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */ +const struct pwm_t pwm_channels[] = { + [PWM_CH_KBLIGHT] = { + .channel = 3, + .flags = PWM_CONFIG_DSLEEP, + .freq = 10000, + }, + + [PWM_CH_LED1_AMBER] = { + .channel = 2, + .flags = PWM_CONFIG_DSLEEP | PWM_CONFIG_ACTIVE_LOW, + .freq = 2400, + }, + + [PWM_CH_LED2_WHITE] = { + .channel = 0, + .flags = PWM_CONFIG_DSLEEP | PWM_CONFIG_ACTIVE_LOW, + .freq = 2400, + } +}; +BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); + +const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { + { + .bus_type = EC_BUS_TYPE_I2C, + .i2c_info = { + .port = I2C_PORT_USB_C0, + .addr_flags = RAA489000_TCPC0_I2C_FLAGS, + }, + .flags = TCPC_FLAGS_TCPCI_REV2_0, + .drv = &raa489000_tcpm_drv, + }, + + { + .bus_type = EC_BUS_TYPE_I2C, + .i2c_info = { + .port = I2C_PORT_SUB_USB_C1, + .addr_flags = RAA489000_TCPC0_I2C_FLAGS, + }, + .flags = TCPC_FLAGS_TCPCI_REV2_0, + .drv = &raa489000_tcpm_drv, + }, +}; + +const struct usb_mux usbc1_retimer = { + .usb_port = 1, + .i2c_port = I2C_PORT_SUB_USB_C1, + .i2c_addr_flags = NB7V904M_I2C_ADDR0, + .driver = &nb7v904m_usb_redriver_drv, +}; +const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { + { + .usb_port = 0, + .i2c_port = I2C_PORT_USB_C0, + .i2c_addr_flags = PI3USB3X532_I2C_ADDR0, + .driver = &pi3usb3x532_usb_mux_driver, + }, + { + .usb_port = 1, + .i2c_port = I2C_PORT_SUB_USB_C1, + .i2c_addr_flags = PI3USB3X532_I2C_ADDR0, + .driver = &pi3usb3x532_usb_mux_driver, + .next_mux = &usbc1_retimer, + } +}; + +uint16_t tcpc_get_alert_status(void) +{ + uint16_t status = 0; + int regval; + + /* + * The interrupt line is shared between the TCPC and BC1.2 detector IC. + * Therefore, go out and actually read the alert registers to report the + * alert status. + */ + if (!gpio_get_level(GPIO_USB_C0_INT_ODL)) { + if (!tcpc_read16(0, TCPC_REG_ALERT, ®val)) { + /* The TCPCI Rev 1.0 spec says to ignore bits 14:12. */ + if (!(tcpc_config[0].flags & TCPC_FLAGS_TCPCI_REV2_0)) + regval &= ~((1 << 14) | (1 << 13) | (1 << 12)); + + if (regval) + status |= PD_STATUS_TCPC_ALERT_0; + } + } + + if (board_get_usb_pd_port_count() > 1 && + !gpio_get_level(GPIO_SUB_C1_INT_EN_RAILS_ODL)) { + if (!tcpc_read16(1, TCPC_REG_ALERT, ®val)) { + /* TCPCI spec Rev 1.0 says to ignore bits 14:12. */ + if (!(tcpc_config[1].flags & TCPC_FLAGS_TCPCI_REV2_0)) + regval &= ~((1 << 14) | (1 << 13) | (1 << 12)); + + if (regval) + status |= PD_STATUS_TCPC_ALERT_1; + } + } + + return status; +} + +/* This callback disables keyboard when convertibles are fully open */ +__override void lid_angle_peripheral_enable(int enable) +{ + int chipset_in_s0 = chipset_in_state(CHIPSET_STATE_ON); + + /* + * If the lid is in tablet position via other sensors, + * ignore the lid angle, which might be faulty then + * disable keyboard. + */ + if (tablet_get_mode()) + enable = 0; + + if (enable) { + keyboard_scan_enable(1, KB_SCAN_DISABLE_LID_ANGLE); + } else { + /* + * Ensure that the chipset is off before disabling the keyboard. + * When the chipset is on, the EC keeps the keyboard enabled and + * the AP decides whether to ignore input devices or not. + */ + if (!chipset_in_s0) + keyboard_scan_enable(0, KB_SCAN_DISABLE_LID_ANGLE); + } +} |