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Diffstat (limited to 'board/coral/board.c')
| -rw-r--r-- | board/coral/board.c | 1027 |
1 files changed, 0 insertions, 1027 deletions
diff --git a/board/coral/board.c b/board/coral/board.c deleted file mode 100644 index a563071294..0000000000 --- a/board/coral/board.c +++ /dev/null @@ -1,1027 +0,0 @@ -/* Copyright 2016 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. - */ - -/* Coral board-specific configuration */ - -#include "adc.h" -#include "button.h" -#include "charge_manager.h" -#include "charge_ramp.h" -#include "charge_state.h" -#include "charger.h" -#include "chipset.h" -#include "console.h" -#include "driver/als_opt3001.h" -#include "driver/accel_kionix.h" -#include "driver/accel_kx022.h" -#include "driver/accelgyro_bmi_common.h" -#include "driver/charger/bd9995x.h" -#include "driver/tcpm/anx74xx.h" -#include "driver/tcpm/ps8xxx.h" -#include "driver/tcpm/tcpci.h" -#include "driver/tcpm/tcpm.h" -#include "extpower.h" -#include "gpio.h" -#include "hooks.h" -#include "host_command.h" -#include "i2c.h" -#include "keyboard_scan.h" -#include "lid_angle.h" -#include "lid_switch.h" -#include "math_util.h" -#include "motion_sense.h" -#include "motion_lid.h" -#include "power.h" -#include "power_button.h" -#include "pwm.h" -#include "pwm_chip.h" -#include "sku.h" -#include "spi.h" -#include "switch.h" -#include "system.h" -#include "tablet_mode.h" -#include "task.h" -#include "temp_sensor.h" -#include "temp_sensor/thermistor.h" -#include "timer.h" -#include "uart.h" -#include "usb_charge.h" -#include "usb_mux.h" -#include "usb_pd.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) - -#define IN_ALL_SYS_PG POWER_SIGNAL_MASK(X86_ALL_SYS_PG) -#define IN_PGOOD_PP3300 POWER_SIGNAL_MASK(X86_PGOOD_PP3300) -#define IN_PGOOD_PP5000 POWER_SIGNAL_MASK(X86_PGOOD_PP5000) - -#define USB_PD_PORT_ANX74XX 0 -#define USB_PD_PORT_PS8751 1 - -static int sku_id; - -static void tcpc_alert_event(enum gpio_signal signal) -{ - int port = -1; - - switch (signal) { - case GPIO_USB_C0_PD_INT_ODL: - port = 0; - break; - case GPIO_USB_C1_PD_INT_ODL: - port = 1; - break; - default: - return; - } - - schedule_deferred_pd_interrupt(port); -} - -#ifdef CONFIG_USB_PD_TCPC_LOW_POWER -static void anx74xx_cable_det_handler(void) -{ - int cable_det = gpio_get_level(GPIO_USB_C0_CABLE_DET); - int reset_n = gpio_get_level(GPIO_USB_C0_PD_RST_L); - - /* - * A cable_det low->high transition was detected. If following the - * debounce time, cable_det is high, and reset_n is low, then ANX3429 is - * currently in standby mode and needs to be woken up. Set the - * TCPC_RESET event which will bring the ANX3429 out of standby - * mode. Setting this event is gated on reset_n being low because the - * ANX3429 will always set cable_det when transitioning to normal mode - * and if in normal mode, then there is no need to trigger a tcpc reset. - */ - if (cable_det && !reset_n) - task_set_event(TASK_ID_PD_C0, PD_EVENT_TCPC_RESET); -} -DECLARE_DEFERRED(anx74xx_cable_det_handler); - -void anx74xx_cable_det_interrupt(enum gpio_signal signal) -{ - /* debounce for 2 msec */ - hook_call_deferred(&anx74xx_cable_det_handler_data, (2 * MSEC)); -} -#endif - -/* - * enable_input_devices() is called by the tablet_mode ISR, but changes the - * state of GPIOs, so its definition must reside after including gpio_list. - * Use DECLARE_DEFERRED to generate enable_input_devices_data. - */ -static void enable_input_devices(void); -DECLARE_DEFERRED(enable_input_devices); - -#define LID_DEBOUNCE_US (30 * MSEC) /* Debounce time for lid switch */ -void tablet_mode_interrupt(enum gpio_signal signal) -{ - hook_call_deferred(&enable_input_devices_data, LID_DEBOUNCE_US); -} - -#include "gpio_list.h" - -/* ADC channels */ -const struct adc_t adc_channels[] = { - /* Vfs = Vref = 2.816V, 10-bit unsigned reading */ - [ADC_TEMP_SENSOR_CHARGER] = { - "CHARGER", NPCX_ADC_CH0, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0 - }, - [ADC_TEMP_SENSOR_AMB] = { - "AMBIENT", NPCX_ADC_CH1, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0 - }, - [ADC_BOARD_ID] = { - "BRD_ID", NPCX_ADC_CH2, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0 - }, - [ADC_BOARD_SKU_1] = { - "BRD_SKU_1", NPCX_ADC_CH3, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0 - }, - [ADC_BOARD_SKU_0] = { - "BRD_SKU_0", NPCX_ADC_CH4, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0 - }, -}; -BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); - -/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */ -const struct pwm_t pwm_channels[] = { - [PWM_CH_KBLIGHT] = { 4, PWM_CONFIG_DSLEEP, 100 }, -}; -BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); - -const struct i2c_port_t i2c_ports[] = { - {"tcpc0", NPCX_I2C_PORT0_0, 400, - GPIO_EC_I2C_USB_C0_PD_SCL, GPIO_EC_I2C_USB_C0_PD_SDA}, - {"tcpc1", NPCX_I2C_PORT0_1, 400, - GPIO_EC_I2C_USB_C1_PD_SCL, GPIO_EC_I2C_USB_C1_PD_SDA}, - {"accelgyro", I2C_PORT_GYRO, 400, - GPIO_EC_I2C_GYRO_SCL, GPIO_EC_I2C_GYRO_SDA}, - {"sensors", NPCX_I2C_PORT2, 400, - GPIO_EC_I2C_SENSOR_SCL, GPIO_EC_I2C_SENSOR_SDA}, - {"batt", NPCX_I2C_PORT3, 100, - GPIO_EC_I2C_POWER_SCL, GPIO_EC_I2C_POWER_SDA}, -}; -const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); - -#ifdef CONFIG_CMD_I2C_STRESS_TEST -struct i2c_stress_test i2c_stress_tests[] = { -/* NPCX_I2C_PORT0_0 */ -#ifdef CONFIG_CMD_I2C_STRESS_TEST_TCPC - { - .port = NPCX_I2C_PORT0_0, - .addr_flags = ANX74XX_I2C_ADDR1_FLAGS, - .i2c_test = &anx74xx_i2c_stress_test_dev, - }, -#endif - -/* NPCX_I2C_PORT0_1 */ -#ifdef CONFIG_CMD_I2C_STRESS_TEST_TCPC - { - .port = NPCX_I2C_PORT0_1, - .addr_flags = PS8751_I2C_ADDR1_FLAGS, - .i2c_test = &ps8xxx_i2c_stress_test_dev, - }, -#endif - -/* NPCX_I2C_PORT1 */ -#ifdef CONFIG_CMD_I2C_STRESS_TEST_ACCEL - { - .port = I2C_PORT_GYRO, - .addr_flags = BMI160_ADDR0_FLAGS, - .i2c_test = &bmi160_i2c_stress_test_dev, - }, -#endif - -/* NPCX_I2C_PORT2 */ -#ifdef CONFIG_CMD_I2C_STRESS_TEST_ACCEL - { - .port = I2C_PORT_LID_ACCEL, - .addr_flags = KX022_ADDR1_FLAGS, - .i2c_test = &kionix_i2c_stress_test_dev, - }, -#endif - -/* NPCX_I2C_PORT3 */ -#ifdef CONFIG_CMD_I2C_STRESS_TEST_BATTERY - { - .i2c_test = &battery_i2c_stress_test_dev, - }, -#endif -#ifdef CONFIG_CMD_I2C_STRESS_TEST_CHARGER - { - .i2c_test = &bd9995x_i2c_stress_test_dev, - }, -#endif -}; -const int i2c_test_dev_used = ARRAY_SIZE(i2c_stress_tests); -#endif /* CONFIG_CMD_I2C_STRESS_TEST */ - -const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { - [USB_PD_PORT_ANX74XX] = { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = NPCX_I2C_PORT0_0, - .addr_flags = ANX74XX_I2C_ADDR1_FLAGS, - }, - .drv = &anx74xx_tcpm_drv, - }, - [USB_PD_PORT_PS8751] = { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = NPCX_I2C_PORT0_1, - .addr_flags = PS8751_I2C_ADDR1_FLAGS, - }, - .drv = &ps8xxx_tcpm_drv, - }, -}; - -const struct charger_config_t chg_chips[] = { - { - .i2c_port = I2C_PORT_CHARGER, - .i2c_addr_flags = BD9995X_ADDR_FLAGS, - .drv = &bd9995x_drv, - }, -}; - -uint16_t tcpc_get_alert_status(void) -{ - uint16_t status = 0; - - if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL)) { - if (gpio_get_level(GPIO_USB_C0_PD_RST_L)) - status |= PD_STATUS_TCPC_ALERT_0; - } - - if (!gpio_get_level(GPIO_USB_C1_PD_INT_ODL)) { - if (gpio_get_level(GPIO_USB_C1_PD_RST_ODL)) - status |= PD_STATUS_TCPC_ALERT_1; - } - - return status; -} - -const enum gpio_signal hibernate_wake_pins[] = { - GPIO_AC_PRESENT, - GPIO_LID_OPEN, - GPIO_POWER_BUTTON_L, -}; - -const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); - -static int ps8751_tune_mux(const struct usb_mux *me) -{ - /* 0x98 sets lower EQ of DP port (4.5db) */ - mux_write(me, PS8XXX_REG_MUX_DP_EQ_CONFIGURATION, 0x98); - return EC_SUCCESS; -} - -const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { - [USB_PD_PORT_ANX74XX] = { - .usb_port = USB_PD_PORT_ANX74XX, - .driver = &anx74xx_tcpm_usb_mux_driver, - .hpd_update = &anx74xx_tcpc_update_hpd_status, - }, - [USB_PD_PORT_PS8751] = { - .usb_port = USB_PD_PORT_PS8751, - .driver = &tcpci_tcpm_usb_mux_driver, - .hpd_update = &ps8xxx_tcpc_update_hpd_status, - .board_init = &ps8751_tune_mux, - } -}; - -const int usb_port_enable[CONFIG_USB_PORT_POWER_SMART_PORT_COUNT] = { - GPIO_USB1_ENABLE, -}; - -/** - * Power on (or off) a single TCPC. - * minimum on/off delays are included. - * - * @param port Port number of TCPC. - * @param mode 0: power off, 1: power on. - */ -void board_set_tcpc_power_mode(int port, int mode) -{ - if (port != USB_PD_PORT_ANX74XX) - return; - - switch (mode) { - case ANX74XX_NORMAL_MODE: - gpio_set_level(GPIO_EN_USB_TCPC_PWR, 1); - msleep(ANX74XX_PWR_H_RST_H_DELAY_MS); - gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); - break; - case ANX74XX_STANDBY_MODE: - gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); - msleep(ANX74XX_RST_L_PWR_L_DELAY_MS); - gpio_set_level(GPIO_EN_USB_TCPC_PWR, 0); - msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS); - break; - default: - break; - } -} - -/** - * Reset all system PD/TCPC MCUs -- currently only called from - * handle_pending_reboot() in common/power.c just before hard - * resetting the system. This logic is likely not needed as the - * PP3300_A rail should be dropped on EC reset. - */ -void board_reset_pd_mcu(void) -{ - /* Assert reset to TCPC1 (ps8751) */ - gpio_set_level(GPIO_USB_C1_PD_RST_ODL, 0); - - /* Assert reset to TCPC0 (anx3429) */ - gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); - - /* TCPC1 (ps8751) requires 1ms reset down assertion */ - msleep(MAX(1, ANX74XX_RST_L_PWR_L_DELAY_MS)); - - /* Deassert reset to TCPC1 */ - gpio_set_level(GPIO_USB_C1_PD_RST_ODL, 1); - /* Disable TCPC0 power */ - gpio_set_level(GPIO_EN_USB_TCPC_PWR, 0); - - /* - * anx3429 requires 10ms reset/power down assertion - */ - msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS); - board_set_tcpc_power_mode(USB_PD_PORT_ANX74XX, 1); -} - -static void board_tcpc_init(void) -{ - int reg; - int count = 0; - - /* Wait for disconnected battery to wake up */ - while (battery_hw_present() == BP_YES && - battery_is_present() == BP_NO) { - usleep(100 * MSEC); - /* Give up waiting after 2 seconds */ - if (++count > 20) - break; - } - - /* Only reset TCPC if not sysjump */ - if (!system_jumped_late()) - board_reset_pd_mcu(); - - /* - * TODO: Remove when Coral is updated with PS8751 A3. - * - * Force PS8751 A2 to wake from low power mode. - * If PS8751 remains in low power mode after sysjump, - * TCPM_INIT will fail due to not able to access PS8751. - * - * NOTE: PS8751 A3 will wake on any I2C access. - */ - i2c_read8(NPCX_I2C_PORT0_1, 0x08, 0xA0, ®); - - /* Enable TCPC0 interrupt */ - gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); - - /* Enable TCPC1 interrupt */ - gpio_enable_interrupt(GPIO_USB_C1_PD_INT_ODL); - -#ifdef CONFIG_USB_PD_TCPC_LOW_POWER - /* Enable CABLE_DET interrupt for ANX3429 wake from standby */ - gpio_enable_interrupt(GPIO_USB_C0_CABLE_DET); -#endif - /* - * Initialize HPD to low; after sysjump SOC needs to see - * HPD pulse to enable video path - */ - for (int port = 0; port < CONFIG_USB_PD_PORT_MAX_COUNT; ++port) - usb_mux_hpd_update(port, USB_PD_MUX_HPD_LVL_DEASSERTED | - USB_PD_MUX_HPD_IRQ_DEASSERTED); -} -DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_DEFAULT); - -const struct temp_sensor_t temp_sensors[] = { - [TEMP_SENSOR_BATTERY] = {.name = "Battery", - .type = TEMP_SENSOR_TYPE_BATTERY, - .read = charge_get_battery_temp, - .idx = 0}, - [TEMP_SENSOR_AMBIENT] = {.name = "Ambient", - .type = TEMP_SENSOR_TYPE_BOARD, - .read = get_temp_3v3_51k1_47k_4050b, - .idx = ADC_TEMP_SENSOR_AMB}, - [TEMP_SENSOR_CHARGER] = {.name = "Charger", - .type = TEMP_SENSOR_TYPE_BOARD, - .read = get_temp_3v3_13k7_47k_4050b, - .idx = ADC_TEMP_SENSOR_CHARGER}, -}; -BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); - -/* Called by APL power state machine when transitioning from G3 to S5 */ -void chipset_pre_init_callback(void) -{ - /* - * No need to re-init PMIC since settings are sticky across sysjump. - * However, be sure to check that PMIC is already enabled. If it is - * then there's no need to re-sequence the PMIC. - */ - if (system_jumped_to_this_image() && gpio_get_level(GPIO_PMIC_EN)) - return; - - /* Enable PP5000 before PP3300 due to NFC: chrome-os-partner:50807 */ - gpio_set_level(GPIO_EN_PP5000, 1); - while (!gpio_get_level(GPIO_PP5000_PG)) - ; - - /* - * To prevent SLP glitches, PMIC_EN (V5A_EN) should be enabled - * at the same time as PP3300 (chrome-os-partner:51323). - */ - /* Enable 3.3V rail */ - gpio_set_level(GPIO_EN_PP3300, 1); - while (!gpio_get_level(GPIO_PP3300_PG)) - ; - - /* Enable PMIC */ - gpio_set_level(GPIO_PMIC_EN, 1); -} - -static void board_set_tablet_mode(void) -{ - int tablet_mode = 0; - - if (SKU_IS_CONVERTIBLE(sku_id)) - tablet_mode = !gpio_get_level(GPIO_TABLET_MODE_L); - - tablet_set_mode(tablet_mode, TABLET_TRIGGER_LID); -} - -/* Initialize board. */ -static void board_init(void) -{ - /* Ensure tablet mode is initialized according to the hardware state - * so that the cached state reflects reality. */ - board_set_tablet_mode(); - - gpio_enable_interrupt(GPIO_TABLET_MODE_L); - - /* Enable charger interrupts */ - gpio_enable_interrupt(GPIO_CHARGER_INT_L); - - /* Enable Gyro interrupts */ - gpio_enable_interrupt(GPIO_BASE_SIXAXIS_INT_L); - - /* Need to read SKU ID at least once each boot */ - sku_id = BOARD_VERSION_UNKNOWN; -} -/* PP3300 needs to be enabled before TCPC init hooks */ -DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_FIRST); - -int pd_snk_is_vbus_provided(int port) -{ - if (port != 0 && port != 1) - panic("Invalid charge port\n"); - - return bd9995x_is_vbus_provided(port); -} - -/** - * Set active charge port -- only one port can be active at a time. - * - * @param charge_port Charge port to enable. - * - * Returns EC_SUCCESS if charge port is accepted and made active, - * EC_ERROR_* otherwise. - */ -int board_set_active_charge_port(int charge_port) -{ - enum bd9995x_charge_port bd9995x_port; - int bd9995x_port_select = 1; - - switch (charge_port) { - case USB_PD_PORT_ANX74XX: - case USB_PD_PORT_PS8751: - /* Don't charge from a source port */ - if (board_vbus_source_enabled(charge_port)) - return -1; - - bd9995x_port = charge_port; - break; - case CHARGE_PORT_NONE: - bd9995x_port_select = 0; - bd9995x_port = BD9995X_CHARGE_PORT_BOTH; - - /* - * To avoid inrush current from the external charger, enable - * discharge on AC till the new charger is detected and - * charge detect delay has passed. - */ - if (charge_get_percent() > 2) - charger_discharge_on_ac(1); - break; - default: - panic("Invalid charge port\n"); - break; - } - - CPRINTS("New chg p%d", charge_port); - - return bd9995x_select_input_port(bd9995x_port, bd9995x_port_select); -} - -/** - * Set the charge limit based upon desired maximum. - * - * @param port Port number. - * @param supplier Charge supplier type. - * @param charge_ma Desired charge limit (mA). - * @param charge_mv Negotiated charge voltage (mV). - */ -void board_set_charge_limit(int port, int supplier, int charge_ma, - int max_ma, int charge_mv) -{ - /* Enable charging trigger by BC1.2 detection */ - int bc12_enable = (supplier == CHARGE_SUPPLIER_BC12_CDP || - supplier == CHARGE_SUPPLIER_BC12_DCP || - supplier == CHARGE_SUPPLIER_BC12_SDP || - supplier == CHARGE_SUPPLIER_OTHER); - - if (bd9995x_bc12_enable_charging(port, bc12_enable)) - return; - - charge_ma = (charge_ma * 95) / 100; - charge_set_input_current_limit(MAX(charge_ma, - CONFIG_CHARGER_INPUT_CURRENT), charge_mv); -} - -/** - * Return if VBUS is sagging too low - */ -int board_is_vbus_too_low(int port, enum chg_ramp_vbus_state ramp_state) -{ - int voltage; - - if (charger_get_vbus_voltage(port, &voltage)) - voltage = 0; - - return voltage < BD9995X_BC12_MIN_VOLTAGE; -} - -static void enable_input_devices(void) -{ - /* We need to turn on tablet mode for motion sense */ - board_set_tablet_mode(); - - /* Then, we disable peripherals only when the lid reaches 360 position. - * (It's probably already disabled by motion_sense_task.) - * We deliberately do not enable peripherals when the lid is leaving - * 360 position. Instead, we let motion_sense_task enable it once it - * reaches laptop zone (180 or less). */ - if (tablet_get_mode()) - lid_angle_peripheral_enable(0); -} - -/* Enable or disable input devices, based on chipset state and tablet mode */ -__override void lid_angle_peripheral_enable(int enable) -{ - /* If the lid is in 360 position, ignore the lid angle, - * which might be faulty. Disable keyboard. - */ - if (tablet_get_mode() || chipset_in_state(CHIPSET_STATE_ANY_OFF)) - enable = 0; - keyboard_scan_enable(enable, KB_SCAN_DISABLE_LID_ANGLE); -} - -/* Called on AP S5 -> S3 transition */ -static void board_chipset_startup(void) -{ - /* Enable USB-A port. */ - gpio_set_level(GPIO_USB1_ENABLE, 1); - - /* Enable Trackpad */ - gpio_set_level(GPIO_EN_P3300_TRACKPAD_ODL, 0); - - hook_call_deferred(&enable_input_devices_data, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); - -/* Called on AP S3 -> S5 transition */ -static void board_chipset_shutdown(void) -{ - /* Disable USB-A port. */ - gpio_set_level(GPIO_USB1_ENABLE, 0); - - /* Disable Trackpad */ - gpio_set_level(GPIO_EN_P3300_TRACKPAD_ODL, 1); - - hook_call_deferred(&enable_input_devices_data, 0); - /* FIXME(dhendrix): Drive USB_PD_RST_ODL low to prevent - leakage? (see comment in schematic) */ -} -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); - -/* FIXME(dhendrix): Add CHIPSET_RESUME and CHIPSET_SUSPEND - hooks to enable/disable sensors? */ -/* Called on AP S3 -> S0 transition */ -static void board_chipset_resume(void) -{ - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1); -} -DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); - -/* Called on AP S0 -> S3 transition */ -static void board_chipset_suspend(void) -{ - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); - -/* - * FIXME(dhendrix): Weak symbol hack until we can get a better solution for - * both Amenia and Coral. - */ -void chipset_do_shutdown(void) -{ - /* Disable PMIC */ - gpio_set_level(GPIO_PMIC_EN, 0); - - /*Disable 3.3V rail */ - gpio_set_level(GPIO_EN_PP3300, 0); - while (gpio_get_level(GPIO_PP3300_PG)) - ; - - /*Disable 5V rail */ - gpio_set_level(GPIO_EN_PP5000, 0); - while (gpio_get_level(GPIO_PP5000_PG)) - ; -} - -void board_hibernate_late(void) -{ - int i; - const uint32_t hibernate_pins[][2] = { - /* Turn off LEDs in hibernate */ - {GPIO_BAT_LED_BLUE, GPIO_INPUT | GPIO_PULL_UP}, - {GPIO_BAT_LED_AMBER, GPIO_INPUT | GPIO_PULL_UP}, - {GPIO_LID_OPEN, GPIO_INT_RISING | GPIO_PULL_DOWN}, - - /* - * BD99956 handles charge input automatically. We'll disable - * charge output in hibernate. Charger will assert ACOK_OD - * when VBUS or VCC are plugged in. - */ - {GPIO_USB_C0_5V_EN, GPIO_INPUT | GPIO_PULL_DOWN}, - {GPIO_USB_C1_5V_EN, GPIO_INPUT | GPIO_PULL_DOWN}, - }; - - /* Change GPIOs' state in hibernate for better power consumption */ - for (i = 0; i < ARRAY_SIZE(hibernate_pins); ++i) - gpio_set_flags(hibernate_pins[i][0], hibernate_pins[i][1]); - - gpio_config_module(MODULE_KEYBOARD_SCAN, 0); - - /* - * Calling gpio_config_module sets disabled alternate function pins to - * GPIO_INPUT. But to prevent keypresses causing leakage currents - * while hibernating we want to enable GPIO_PULL_UP as well. - */ - gpio_set_flags_by_mask(0x2, 0x03, GPIO_INPUT | GPIO_PULL_UP); - gpio_set_flags_by_mask(0x1, 0x7F, GPIO_INPUT | GPIO_PULL_UP); - gpio_set_flags_by_mask(0x0, 0xE0, GPIO_INPUT | GPIO_PULL_UP); - /* KBD_KSO2 needs to have a pull-down enabled instead of pull-up */ - gpio_set_flags_by_mask(0x1, 0x80, GPIO_INPUT | GPIO_PULL_DOWN); -} - -/* Motion sensors */ -/* Mutexes */ -static struct mutex g_lid_mutex; -static struct mutex g_base_mutex; - -/* Matrix to rotate accelrator into standard reference frame */ -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)} -}; - -const mat33_fp_t mag_standard_ref = { - { FLOAT_TO_FP(-1), 0, 0}, - { 0, FLOAT_TO_FP(1), 0}, - { 0, 0, FLOAT_TO_FP(-1)} -}; - -/* sensor private data */ -static struct kionix_accel_data g_kx022_data; -static struct bmi_drv_data_t g_bmi160_data; - -/* FIXME(dhendrix): Copied from Amenia, probably need to tweak for Coral */ -struct motion_sensor_t motion_sensors[] = { - [LID_ACCEL] = { - .name = "Lid Accel", - .active_mask = SENSOR_ACTIVE_S0_S3, - .chip = MOTIONSENSE_CHIP_KX022, - .type = MOTIONSENSE_TYPE_ACCEL, - .location = MOTIONSENSE_LOC_LID, - .drv = &kionix_accel_drv, - .mutex = &g_lid_mutex, - .drv_data = &g_kx022_data, - .port = I2C_PORT_LID_ACCEL, - .i2c_spi_addr_flags = KX022_ADDR1_FLAGS, - .rot_standard_ref = NULL, /* Identity matrix. */ - .default_range = 2, /* g, enough for laptop. */ - .min_frequency = KX022_ACCEL_MIN_FREQ, - .max_frequency = KX022_ACCEL_MAX_FREQ, - .config = { - /* EC use accel for angle detection */ - [SENSOR_CONFIG_EC_S0] = { - .odr = 10000 | ROUND_UP_FLAG, - }, - /* Sensor on for lid angle detection */ - [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_GYRO, - .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS, - .rot_standard_ref = &base_standard_ref, - .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs */ - .min_frequency = BMI_ACCEL_MIN_FREQ, - .max_frequency = BMI_ACCEL_MAX_FREQ, - .config = { - /* EC use accel for angle detection */ - [SENSOR_CONFIG_EC_S0] = { - .odr = 10000 | ROUND_UP_FLAG, - .ec_rate = 100 * MSEC, - }, - /* Sensor on for lid angle detection */ - [SENSOR_CONFIG_EC_S3] = { - .odr = 10000 | ROUND_UP_FLAG, - .ec_rate = 100 * MSEC, - }, - }, - }, - - [BASE_GYRO] = { - .name = "Base Gyro", - .active_mask = SENSOR_ACTIVE_S0, - .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_GYRO, - .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, - }, -}; -unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); - -void board_hibernate(void) -{ - /* - * To support hibernate called from console commands, ectool commands - * and key sequence, shutdown the AP before hibernating. - */ - chipset_do_shutdown(); - - /* Added delay to allow AP to settle down */ - msleep(100); - - /* Enable both the VBUS & VCC ports before entering PG3 */ - bd9995x_select_input_port(BD9995X_CHARGE_PORT_BOTH, 1); - - /* Turn BGATE OFF for saving the power */ - bd9995x_set_power_save_mode(BD9995X_PWR_SAVE_MAX); -} - -static void board_set_motion_sensor_count(uint8_t sku_id) -{ - /* - * There are two possible sensor configurations. Clamshell device will - * not have any of the motion sensors populated, while convertible - * devices have the BMI160 Accel/Gryo and Kionx KX022 lid acceleration - * sensor. If a new SKU id is used that is not in the table, then the - * number of motion sensors will remain as ARRAY_SIZE(motion_sensors). - */ - motion_sensor_count = SKU_IS_CONVERTIBLE(sku_id) ? - ARRAY_SIZE(motion_sensors) : 0; - - CPRINTS("Motion Sensor Count = %d", motion_sensor_count); -} - -struct { - enum coral_board_version version; - int thresh_mv; -} const coral_board_versions[] = { - /* Vin = 3.3V, Ideal voltage, R2 values listed below */ - /* R1 = 51.1 kOhm */ - { BOARD_VERSION_1, 200 }, /* 124 mV, 2.0 Kohm */ - { BOARD_VERSION_2, 366 }, /* 278 mV, 4.7 Kohm */ - { BOARD_VERSION_3, 550 }, /* 456 mV, 8.2 Kohm */ - { BOARD_VERSION_4, 752 }, /* 644 mV, 12.4 Kohm */ - { BOARD_VERSION_5, 927}, /* 860 mV, 18.0 Kohm */ - { BOARD_VERSION_6, 1073 }, /* 993 mV, 22.0 Kohm */ - { BOARD_VERSION_7, 1235 }, /* 1152 mV, 27.4 Kohm */ - { BOARD_VERSION_8, 1386 }, /* 1318 mV, 34.0 Kohm */ - { BOARD_VERSION_9, 1552 }, /* 1453 mV, 40.2 Kohm */ - /* R1 = 10.0 kOhm */ - { BOARD_VERSION_10, 1739 }, /* 1650 mV, 10.0 Kohm */ - { BOARD_VERSION_11, 1976 }, /* 1827 mV, 12.4 Kohm */ - { BOARD_VERSION_12, 2197 }, /* 2121 mV, 18.0 Kohm */ - { BOARD_VERSION_13, 2344 }, /* 2269 mV, 22.0 Kohm */ - { BOARD_VERSION_14, 2484 }, /* 2418 mV, 27.4 Kohm */ - { BOARD_VERSION_15, 2636 }, /* 2550 mV, 34.0 Kohm */ - { BOARD_VERSION_16, 2823 }, /* 2721 mV, 47.0 Kohm */ -}; -BUILD_ASSERT(ARRAY_SIZE(coral_board_versions) == BOARD_VERSION_COUNT); - -static int board_read_version(enum adc_channel chan) -{ - int mv; - int i; - - /* ID/SKU enable is active high */ - gpio_set_flags(GPIO_EC_BRD_ID_EN, GPIO_OUT_HIGH); - /* Wait to allow cap charge */ - msleep(1); - mv = adc_read_channel(chan); - CPRINTS("ID/SKU ADC %d = %d mV", chan, mv); - /* Disable ID/SKU circuit */ - gpio_set_flags(GPIO_EC_BRD_ID_EN, GPIO_INPUT); - - if (mv == ADC_READ_ERROR) - return BOARD_VERSION_UNKNOWN; - - for (i = 0; i < BOARD_VERSION_COUNT; i++) - if (mv < coral_board_versions[i].thresh_mv) - return coral_board_versions[i].version; - - return BOARD_VERSION_UNKNOWN; -} - -int board_get_version(void) -{ - static int version = BOARD_VERSION_UNKNOWN; - - if (version != BOARD_VERSION_UNKNOWN) - return version; - - version = board_read_version(ADC_BOARD_ID); - - CPRINTS("Board version: %d", version); - return version; -} - -static void sku_id_init(void) -{ - int sku_id_lower; - int sku_id_higher; - - if (sku_id == BOARD_VERSION_UNKNOWN) { - sku_id_lower = board_read_version(ADC_BOARD_SKU_0); - sku_id_higher = board_read_version(ADC_BOARD_SKU_1); - if ((sku_id_lower != BOARD_VERSION_UNKNOWN) && - (sku_id_higher != BOARD_VERSION_UNKNOWN)) - sku_id = (sku_id_higher << 4) | sku_id_lower; - CPRINTS("SKU ID: %d", sku_id); - /* Use sku_id to set motion sensor count */ - board_set_motion_sensor_count(sku_id); - - if (0 == SKU_IS_CONVERTIBLE(sku_id)) { - CPRINTS("Disable tablet mode interrupt"); - gpio_disable_interrupt(GPIO_TABLET_MODE_L); - /* Enfore device in laptop mode */ - tablet_set_mode(0, TABLET_TRIGGER_LID); - } - } -} -/* This can't run until after the ADC module has been initialized */ -DECLARE_HOOK(HOOK_INIT, sku_id_init, HOOK_PRIO_INIT_ADC + 1); - -static void print_form_factor_list(int low, int high) -{ - int id; - int count = 0; - - if (high > 255) - high = 255; - for (id = low; id <= high; id++) { - ccprintf("SKU ID %03d: %s\n", id, SKU_IS_CONVERTIBLE(id) ? - "Convertible" : "Clamshell"); - /* Don't print too many lines at once */ - if (!(++count % 5)) - msleep(20); - } -} - -static int command_sku(int argc, char **argv) -{ - enum adc_channel chan; - - if (argc < 2) { - system_get_sku_id(); - ccprintf("SKU ID: %d\n", sku_id); - return EC_SUCCESS; - } - - if (!strcasecmp(argv[1], "form")) { - if (argc >= 4) { - char *e; - int low, high; - - low = strtoi(argv[2], &e, 10); - if (*e) - return EC_ERROR_PARAM1; - - high = strtoi(argv[3], &e, 10); - if (*e) - return EC_ERROR_PARAM2; - print_form_factor_list(low, high); - return EC_SUCCESS; - } else { - return EC_ERROR_PARAM_COUNT; - } - } - - if (!strcasecmp(argv[1], "board")) - chan = ADC_BOARD_ID; - else if (!strcasecmp(argv[1], "line0")) - chan = ADC_BOARD_SKU_0; - else if (!strcasecmp(argv[1], "line1")) - chan = ADC_BOARD_SKU_1; - else - return EC_ERROR_PARAM1; - - ccprintf("sku: %s = %d, adc %d\n", argv[1], board_read_version(chan), - chan); - - return EC_SUCCESS; -} -DECLARE_CONSOLE_COMMAND(sku, command_sku, - "<board|line0|line1|form [low high]>", - "Get board id, sku, form factor"); - -__override uint32_t board_get_sku_id(void) -{ - if (sku_id == BOARD_VERSION_UNKNOWN) - sku_id_init(); - - return (uint32_t)sku_id; -} - -/* Keyboard scan setting */ -__override struct keyboard_scan_config keyscan_config = { - /* - * F3 key scan cycle completed but scan input is not - * charging to logic high when EC start scan next - * column for "T" key, so we set .output_settle_us - * to 80us from 50us. - */ - .output_settle_us = 80, - .debounce_down_us = 9 * MSEC, - .debounce_up_us = 30 * MSEC, - .scan_period_us = 3 * MSEC, - .min_post_scan_delay_us = 1000, - .poll_timeout_us = 100 * MSEC, - .actual_key_mask = { - 0x14, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff, - 0xa4, 0xff, 0xfe, 0x55, 0xfa, 0xca /* full set */ - }, -}; - -__override uint32_t board_override_feature_flags0(uint32_t flags0) -{ - uint32_t sku = system_get_sku_id(); - - /* - * We always compile in backlight support for coral, but only some - * models come with the hardware. Therefore, check if the current - * device is one of them and return the default value - with backlight - * here. - */ - if (sku == 8 || sku == 11) - return flags0; - - // Report that there is no keyboard backlight - flags0 &= ~EC_FEATURE_MASK_0(EC_FEATURE_PWM_KEYB); - - return flags0; -} |