diff options
Diffstat (limited to 'board/eve/board.c')
| -rw-r--r-- | board/eve/board.c | 981 |
1 files changed, 0 insertions, 981 deletions
diff --git a/board/eve/board.c b/board/eve/board.c deleted file mode 100644 index f73118e8f2..0000000000 --- a/board/eve/board.c +++ /dev/null @@ -1,981 +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. - */ - -/* Eve board-specific configuration */ - -#include "acpi.h" -#include "bd99992gw.h" -#include "board_config.h" -#include "button.h" -#include "charge_manager.h" -#include "charge_state.h" -#include "charge_ramp.h" -#include "charger.h" -#include "chipset.h" -#include "console.h" -#include "device_event.h" -#include "driver/accel_kionix.h" -#include "driver/accel_kxcj9.h" -#include "driver/accelgyro_bmi_common.h" -#include "driver/als_si114x.h" -#include "driver/charger/bd9995x.h" -#include "driver/tcpm/anx74xx.h" -#include "driver/tcpm/tcpci.h" -#include "driver/tcpm/tcpm.h" -#include "driver/temp_sensor/bd99992gw.h" -#include "extpower.h" -#include "gesture.h" -#include "gpio.h" -#include "hooks.h" -#include "host_command.h" -#include "i2c.h" -#include "keyboard_scan.h" -#include "keyboard_8042_sharedlib.h" -#include "lid_angle.h" -#include "lid_switch.h" -#include "math_util.h" -#include "motion_lid.h" -#include "motion_sense.h" -#include "power.h" -#include "power_button.h" -#include "pwm.h" -#include "pwm_chip.h" -#include "spi.h" -#include "switch.h" -#include "system.h" -#include "tablet_mode.h" -#include "task.h" -#include "temp_sensor.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" -#include "espi.h" - -#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) -#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) - -static void tcpc_alert_event(enum gpio_signal signal) -{ - 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); -} - -/* - * 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. - */ -static void enable_input_devices(void); -DECLARE_DEFERRED(enable_input_devices); - -#define LID_DEBOUNCE_US (30 * MSEC) -void tablet_mode_interrupt(enum gpio_signal signal) -{ - hook_call_deferred(&enable_input_devices_data, LID_DEBOUNCE_US); -} - -/* Send event to wake AP based on trackpad input */ -void trackpad_interrupt(enum gpio_signal signal) -{ - device_set_single_event(EC_DEVICE_EVENT_TRACKPAD); -} - -/* Send event to wake AP based on DSP interrupt */ -void dsp_interrupt(enum gpio_signal signal) -{ - device_set_single_event(EC_DEVICE_EVENT_DSP); -} - -#ifdef CONFIG_USB_PD_TCPC_LOW_POWER -static void anx74xx_c0_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_c0_cable_det_handler); - -static void anx74xx_c1_cable_det_handler(void) -{ - int cable_det = gpio_get_level(GPIO_USB_C1_CABLE_DET); - int reset_n = gpio_get_level(GPIO_USB_C1_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_C1, PD_EVENT_TCPC_RESET); -} -DECLARE_DEFERRED(anx74xx_c1_cable_det_handler); - -void anx74xx_cable_det_interrupt(enum gpio_signal signal) -{ - /* Check if it is port 0 or 1, and debounce for 2 msec. */ - if (signal == GPIO_USB_C0_CABLE_DET) - hook_call_deferred(&anx74xx_c0_cable_det_handler_data, - (2 * MSEC)); - else - hook_call_deferred(&anx74xx_c1_cable_det_handler_data, - (2 * MSEC)); -} -#endif - -#include "gpio_list.h" - -/* Keyboard scan. Increase output_settle_us to 80us from default 50us. */ -__override struct keyboard_scan_config keyscan_config = { - .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 = { - 0x3c, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff, - 0xa4, 0xff, 0xfe, 0x55, 0xfa, 0xca /* full set */ - }, -}; - -/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */ -const struct pwm_t pwm_channels[] = { - [PWM_CH_KBLIGHT] = { 5, 0, 10000 }, - [PWM_CH_LED_L_RED] = { 2, PWM_CONFIG_DSLEEP, 100 }, - [PWM_CH_LED_L_GREEN] = { 3, PWM_CONFIG_DSLEEP, 100 }, - [PWM_CH_LED_L_BLUE] = { 4, PWM_CONFIG_DSLEEP, 100 }, - [PWM_CH_LED_R_RED] = { 1, PWM_CONFIG_DSLEEP, 100 }, - [PWM_CH_LED_R_GREEN] = { 0, PWM_CONFIG_DSLEEP, 100 }, - [PWM_CH_LED_R_BLUE] = { 6, PWM_CONFIG_DSLEEP, 100 }, -}; -BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); - -/* Hibernate wake configuration */ -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); - -/* I2C port map */ -const struct i2c_port_t i2c_ports[] = { - {"tcpc0", I2C_PORT_TCPC0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA}, - {"tcpc1", I2C_PORT_TCPC1, 400, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA}, - {"accelgyro", I2C_PORT_GYRO, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, - {"sensors", I2C_PORT_LID_ACCEL, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, - {"batt", I2C_PORT_BATTERY, 100, GPIO_I2C3_SCL, GPIO_I2C3_SDA}, -}; -const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); - -/* TCPC mux configuration */ -const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_TCPC0, - .addr_flags = ANX74XX_I2C_ADDR1_FLAGS, - }, - .drv = &anx74xx_tcpm_drv, - }, - { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_TCPC1, - .addr_flags = ANX74XX_I2C_ADDR1_FLAGS, - }, - .drv = &anx74xx_tcpm_drv, - }, -}; - -const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .usb_port = 0, - .driver = &anx74xx_tcpm_usb_mux_driver, - .hpd_update = &anx74xx_tcpc_update_hpd_status, - }, - { - .usb_port = 1, - .driver = &anx74xx_tcpm_usb_mux_driver, - .hpd_update = &anx74xx_tcpc_update_hpd_status, - }, -}; - -const struct charger_config_t chg_chips[] = { - { - .i2c_port = I2C_PORT_CHARGER, - .i2c_addr_flags = BD9995X_ADDR_FLAGS, - .drv = &bd9995x_drv, - }, -}; - -/** - * 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) -{ - switch (port) { - case 0: - if (mode) { - gpio_set_level(GPIO_USB_C0_TCPC_PWR, 1); - msleep(ANX74XX_PWR_H_RST_H_DELAY_MS); - gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); - } else { - gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); - msleep(ANX74XX_RST_L_PWR_L_DELAY_MS); - gpio_set_level(GPIO_USB_C0_TCPC_PWR, 0); - msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS); - } - break; - case 1: - if (mode) { - gpio_set_level(GPIO_USB_C1_TCPC_PWR, 1); - msleep(ANX74XX_PWR_H_RST_H_DELAY_MS); - gpio_set_level(GPIO_USB_C1_PD_RST_L, 1); - } else { - gpio_set_level(GPIO_USB_C1_PD_RST_L, 0); - msleep(ANX74XX_RST_L_PWR_L_DELAY_MS); - gpio_set_level(GPIO_USB_C1_TCPC_PWR, 0); - msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS); - } - break; - } -} - -void board_reset_pd_mcu(void) -{ - /* Assert reset */ - gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); - gpio_set_level(GPIO_USB_C1_PD_RST_L, 0); - msleep(ANX74XX_RST_L_PWR_L_DELAY_MS); - /* Disable power */ - gpio_set_level(GPIO_USB_C0_TCPC_PWR, 0); - gpio_set_level(GPIO_USB_C1_TCPC_PWR, 0); - msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS); - /* Enable power */ - gpio_set_level(GPIO_USB_C0_TCPC_PWR, 1); - gpio_set_level(GPIO_USB_C1_TCPC_PWR, 1); - msleep(ANX74XX_PWR_H_RST_H_DELAY_MS); - /* Deassert reset */ - gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); - gpio_set_level(GPIO_USB_C1_PD_RST_L, 1); -} - -void board_tcpc_init(void) -{ - int count = 0; - int port; - - /* 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(); - - /* Enable TCPC interrupts */ - gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); - 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); - gpio_enable_interrupt(GPIO_USB_C1_CABLE_DET); -#endif - - /* - * Initialize HPD to low; after sysjump SOC needs to see - * HPD pulse to enable video path - */ - for (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); -} - -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_L)) - status |= PD_STATUS_TCPC_ALERT_1; - } - - return status; -} - -const struct temp_sensor_t temp_sensors[] = { - {"Battery", TEMP_SENSOR_TYPE_BATTERY, charge_get_battery_temp, 0}, - - /* These BD99992GW temp sensors are only readable in S0 */ - {"Ambient", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM0}, - {"Charger", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM1}, - {"DRAM", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM2}, - {"eMMC", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM3}, - {"Gyro", TEMP_SENSOR_TYPE_BOARD, bmi160_get_sensor_temp, BASE_GYRO}, -}; -BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); - -/* - * Check if PMIC fault registers indicate VR fault. If yes, print out fault - * register info to console. Additionally, set panic reason so that the OS can - * check for fault register info by looking at offset 0x14(PWRSTAT1) and - * 0x15(PWRSTAT2) in cros ec panicinfo. - */ -static void board_report_pmic_fault(const char *str) -{ - int vrfault, pwrstat1 = 0, pwrstat2 = 0; - uint32_t info; - - /* RESETIRQ1 -- Bit 4: VRFAULT */ - if (i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x8, &vrfault) - != EC_SUCCESS) - return; - - if (!(vrfault & BIT(4))) - return; - - /* VRFAULT has occurred, print VRFAULT status bits. */ - - /* PWRSTAT1 */ - i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x16, &pwrstat1); - - /* PWRSTAT2 */ - i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x17, &pwrstat2); - - CPRINTS("PMIC VRFAULT: %s", str); - CPRINTS("PMIC VRFAULT: PWRSTAT1=0x%02x PWRSTAT2=0x%02x", pwrstat1, - pwrstat2); - - /* Clear all faults -- Write 1 to clear. */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x8, BIT(4)); - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x16, pwrstat1); - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x17, pwrstat2); - - /* - * Status of the fault registers can be checked in the OS by looking at - * offset 0x14(PWRSTAT1) and 0x15(PWRSTAT2) in cros ec panicinfo. - */ - info = ((pwrstat2 & 0xFF) << 8) | (pwrstat1 & 0xFF); - panic_set_reason(PANIC_SW_PMIC_FAULT, info, 0); -} - -static void board_pmic_init(void) -{ - board_report_pmic_fault("SYSJUMP"); - - /* Clear power source events */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x04, 0xff); - - /* Disable power button shutdown timer */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x14, 0x00); - - /* Disable VCCIO in ALL_SYS_PWRGD for early boards */ - if (board_get_version() <= BOARD_VERSION_DVTB) - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x18, 0x80); - - if (system_jumped_late()) - return; - - /* DISCHGCNT2 - enable 100 ohm discharge on V3.3A and V1.8A */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3d, 0x05); - - /* DISCHGCNT3 - enable 100 ohm discharge on V1.00A */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3e, 0x04); - - /* Set CSDECAYEN / VCCIO decays to 0V at assertion of SLP_S0# */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x30, 0x7a); - - /* - * Set V100ACNT / V1.00A Control Register: - * Nominal output = 1.0V. - */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x37, 0x1a); - - /* - * Set V085ACNT / V0.85A Control Register: - * Lower power mode = 0.7V. - * Nominal output = 1.0V. - */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x38, 0x7a); - - /* VRMODECTRL - disable low-power mode for all rails */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3b, 0x1f); -} -DECLARE_DEFERRED(board_pmic_init); - -static void board_set_tablet_mode(void) -{ - int flipped_360_mode = !gpio_get_level(GPIO_TABLET_MODE_L); - - tablet_set_mode(flipped_360_mode, TABLET_TRIGGER_LID); - - /* Update DPTF profile based on mode */ - if (flipped_360_mode) - acpi_dptf_set_profile_num(DPTF_PROFILE_FLIPPED_360_MODE); - else - acpi_dptf_set_profile_num(DPTF_PROFILE_CLAMSHELL); -} - -int board_has_working_reset_flags(void) -{ - int version = board_get_version(); - - /* board version P1b to EVTb will lose reset flags on power cycle */ - if (version >= BOARD_VERSION_P1B && version <= BOARD_VERSION_EVTB) - return 0; - - /* All other board versions should have working reset flags */ - return 1; -} - -/* Initialize board. */ -static void board_init(void) -{ - /* Enabure tablet mode is initialized */ - board_set_tablet_mode(); - - /* Enable tablet mode interrupt for input device enable */ - gpio_enable_interrupt(GPIO_TABLET_MODE_L); - - /* Enable charger interrupts */ - gpio_enable_interrupt(GPIO_CHARGER_INT_L); - - /* Enable interrupts from BMI160 sensor. */ - gpio_enable_interrupt(GPIO_ACCELGYRO3_INT_L); - - /* Provide AC status to the PCH */ - gpio_set_level(GPIO_PCH_ACOK, extpower_is_present()); - -#ifndef TEST_BUILD - if (board_get_version() == BOARD_VERSION_EVT) { - /* Set F13 to new defined key on EVT */ - CPRINTS("Overriding F13 scan code"); - set_scancode_set2(3, 9, 0xe007); -#ifdef CONFIG_KEYBOARD_DEBUG - set_keycap_label(3, 9, KLLI_F13); -#endif - } -#endif - - /* Initialize PMIC */ - hook_call_deferred(&board_pmic_init_data, 0); -} -DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); - -__override enum pd_dual_role_states pd_get_drp_state_in_suspend(void) -{ - /* - * If board is not connected to charger it will disable VBUS - * on all ports that acts as source when going to suspend. - * Change DRP state to force sink, to inform TCPM about that. - */ - if (!extpower_is_present()) - return PD_DRP_FORCE_SINK; - - return PD_DRP_TOGGLE_OFF; -} - -/** - * Buffer the AC present GPIO to the PCH. - * Set appropriate DRP state when chipset in suspend - */ -static void board_extpower(void) -{ - enum pd_dual_role_states drp_state; - int port; - - gpio_set_level(GPIO_PCH_ACOK, extpower_is_present()); - - if (chipset_in_or_transitioning_to_state(CHIPSET_STATE_SUSPEND)) { - drp_state = pd_get_drp_state_in_suspend(); - for (port = 0; port < board_get_usb_pd_port_count(); port++) - if (pd_get_dual_role(port) != drp_state) - pd_set_dual_role(port, drp_state); - } -} -DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT); - -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 0: - case 1: - /* 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 until 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; -} - -/* Clear pending interrupts and enable DSP for wake */ -static void dsp_wake_enable(int enable) -{ - if (enable) { - gpio_clear_pending_interrupt(GPIO_MIC_DSP_IRQ_1V8_L); - gpio_enable_interrupt(GPIO_MIC_DSP_IRQ_1V8_L); - } else { - gpio_disable_interrupt(GPIO_MIC_DSP_IRQ_1V8_L); - } -} - -/* Clear pending interrupts and enable trackpad for wake */ -static void trackpad_wake_enable(int enable) -{ - static int prev_enable = -1; - - if (prev_enable == enable) - return; - prev_enable = enable; - - if (enable) { - gpio_clear_pending_interrupt(GPIO_TRACKPAD_INT_L); - gpio_enable_interrupt(GPIO_TRACKPAD_INT_L); - } else { - gpio_disable_interrupt(GPIO_TRACKPAD_INT_L); - } -} - -/* Enable or disable input devices, based upon chipset state and tablet mode */ -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 suspended and the lid is in 360 position, ignore the lid angle, - * which might be faulty. Disable keyboard and trackpad wake. - */ - if (chipset_in_state(CHIPSET_STATE_ANY_OFF) || - (tablet_get_mode() && chipset_in_state(CHIPSET_STATE_SUSPEND))) - enable = 0; - keyboard_scan_enable(enable, KB_SCAN_DISABLE_LID_ANGLE); - - /* Also disable trackpad wake if not in suspend */ - if (!chipset_in_state(CHIPSET_STATE_SUSPEND)) - enable = 0; - trackpad_wake_enable(enable); -} - -/* Called on AP S5 -> S3 transition */ -static void board_chipset_startup(void) -{ - /* Enable Trackpad */ - gpio_set_level(GPIO_TRACKPAD_SHDN_L, 1); - 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 Trackpad and DSP wake in S5 */ - trackpad_wake_enable(0); - dsp_wake_enable(0); - gpio_set_level(GPIO_TRACKPAD_SHDN_L, 0); - hook_call_deferred(&enable_input_devices_data, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); - -/* Called on AP S0 -> S3 transition */ -static void board_chipset_suspend(void) -{ - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0); - if (lid_is_open()) { - /* Enable DSP wake if suspended with lid open */ - dsp_wake_enable(1); - - /* Enable trackpad wake if suspended and not in tablet mode */ - if (!tablet_get_mode()) - trackpad_wake_enable(1); - } -} -DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); - -/* Called on AP S3 -> S0 transition */ -static void board_chipset_resume(void) -{ - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1); - dsp_wake_enable(0); - trackpad_wake_enable(0); -} -DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); - -static void board_chipset_reset(void) -{ - board_report_pmic_fault("CHIPSET RESET"); -} -DECLARE_HOOK(HOOK_CHIPSET_RESET, board_chipset_reset, HOOK_PRIO_DEFAULT); - -/* Called on lid change */ -static void board_lid_change(void) -{ - /* Disable trackpad and DSP wake if lid is closed */ - if (!lid_is_open()) { - trackpad_wake_enable(0); - dsp_wake_enable(0); - } -} -DECLARE_HOOK(HOOK_LID_CHANGE, board_lid_change, HOOK_PRIO_DEFAULT); - -void board_hibernate(void) -{ - /* Enable both the VBUS & VCC ports before entering PG3 */ - bd9995x_select_input_port(BD9995X_CHARGE_PORT_BOTH, 1); - - /* Turn BGATE OFF for power saving */ - bd9995x_set_power_save_mode(BD9995X_PWR_SAVE_MAX); - - /* Shut down PMIC */ - CPRINTS("Triggering PMIC shutdown"); - uart_flush_output(); - if (i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x49, 0x01)) { - /* - * If we can't tell the PMIC to shutdown, instead reset - * and don't start the AP. Hopefully we'll be able to - * communicate with the PMIC next time. - */ - CPRINTS("PMIC I2C failed"); - uart_flush_output(); - system_reset(SYSTEM_RESET_LEAVE_AP_OFF); - } - while (1) - ; -} - -int board_get_version(void) -{ - static int ver; - - if (!ver) { - /* - * Read the board EC ID on the tristate strappings - * using ternary encoding: 0 = 0, 1 = 1, Hi-Z = 2 - */ - uint8_t id0, id1, id2; - - id0 = gpio_get_ternary(GPIO_BOARD_VERSION1); - id1 = gpio_get_ternary(GPIO_BOARD_VERSION2); - id2 = gpio_get_ternary(GPIO_BOARD_VERSION3); - - ver = (id2 * 9) + (id1 * 3) + id0; - CPRINTS("Board ID = %d", ver); - } - - return ver; -} - -void sensor_board_proc_double_tap(void) -{ - led_register_double_tap(); -} - -/* Base Sensor mutex */ -static struct mutex g_base_mutex; - -/* Lid Sensor mutex */ -static struct mutex g_lid_mutex; - -static struct kionix_accel_data g_kxcj9_data; -static struct bmi_drv_data_t g_bmi160_data; - -static struct si114x_drv_data_t g_si114x_data = { - .state = SI114X_NOT_READY, - .covered = 0, - .type_data = { - /* Proximity - unused */ - { - }, - /* light */ - { - .base_data_reg = SI114X_ALS_VIS_DATA0, - .irq_flags = SI114X_IRQ_ENABLE_ALS_IE_INT0 | - SI114X_IRQ_ENABLE_ALS_IE_INT1, - .scale = 1, - .offset = -256, - } - } -}; - -/* Matrix to rotate accelrator into standard reference frame */ -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)} -}; - -const mat33_fp_t lid_standard_ref = { - {FLOAT_TO_FP(-1), 0, 0}, - { 0, FLOAT_TO_FP(-1), 0}, - { 0, 0, FLOAT_TO_FP(1)} -}; - -struct motion_sensor_t motion_sensors[] = { - [LID_ACCEL] = { - .name = "Lid Accel", - .active_mask = SENSOR_ACTIVE_S0_S3, - .chip = MOTIONSENSE_CHIP_KXCJ9, - .type = MOTIONSENSE_TYPE_ACCEL, - .location = MOTIONSENSE_LOC_LID, - .drv = &kionix_accel_drv, - .mutex = &g_lid_mutex, - .drv_data = &g_kxcj9_data, - .port = I2C_PORT_LID_ACCEL, - .i2c_spi_addr_flags = KXCJ9_ADDR0_FLAGS, - .rot_standard_ref = &lid_standard_ref, - .default_range = 2, /* g, enough for lid angle calculation. */ - .min_frequency = KXCJ9_ACCEL_MIN_FREQ, - .max_frequency = KXCJ9_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_S5, - .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 = NULL, - .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 = TAP_ODR, - .ec_rate = 100 * MSEC, - }, - /* Sensor on for lid angle detection */ - [SENSOR_CONFIG_EC_S3] = { - .odr = TAP_ODR, - .ec_rate = 100 * MSEC, - }, - /* Sensor on in S5 for battery detection */ - [SENSOR_CONFIG_EC_S5] = { - .odr = TAP_ODR, - .ec_rate = 100 * MSEC, - }, - }, - }, - - [BASE_GYRO] = { - .name = "Base Gyro", - .active_mask = SENSOR_ACTIVE_S0_S3_S5, - .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 = NULL, - .min_frequency = BMI_GYRO_MIN_FREQ, - .max_frequency = BMI_GYRO_MAX_FREQ, - }, - - [BASE_MAG] = { - .name = "Base Mag", - .active_mask = SENSOR_ACTIVE_S0_S3_S5, - .chip = MOTIONSENSE_CHIP_BMI160, - .type = MOTIONSENSE_TYPE_MAG, - .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 = BIT(11), /* 16LSB / uT, fixed */ - .rot_standard_ref = &mag_standard_ref, - .min_frequency = BMM150_MAG_MIN_FREQ, - .max_frequency = BMM150_MAG_MAX_FREQ(SPECIAL), - }, - - [LID_LIGHT] = { - .name = "Light", - .active_mask = SENSOR_ACTIVE_S0, - .chip = MOTIONSENSE_CHIP_SI1141, - .type = MOTIONSENSE_TYPE_LIGHT, - .location = MOTIONSENSE_LOC_LID, - .drv = &si114x_drv, - .mutex = &g_lid_mutex, - .drv_data = &g_si114x_data, - .port = I2C_PORT_ALS, - .i2c_spi_addr_flags = SI114X_ADDR_FLAGS, - .rot_standard_ref = NULL, - .default_range = 6000, /* 60.00%: int = 0 - frac = 6000/10000 */ - .min_frequency = SI114X_LIGHT_MIN_FREQ, - .max_frequency = SI114X_LIGHT_MAX_FREQ, - .config = { - /* Run ALS sensor in S0 */ - [SENSOR_CONFIG_EC_S0] = { - .odr = 1000, - }, - }, - }, -}; -const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); - -/* ALS instances when LPC mapping is needed. Each entry directs to a sensor. */ -const struct motion_sensor_t *motion_als_sensors[] = { - &motion_sensors[LID_LIGHT], -}; -BUILD_ASSERT(ARRAY_SIZE(motion_als_sensors) == ALS_COUNT); |