/* 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 "adc_chip.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_bmi160.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, 0); } 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, 0); } 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" /* power signal list. Must match order of enum power_signal. */ const struct power_signal_info power_signal_list[] = { {GPIO_PCH_SLP_S0_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S0_DEASSERTED"}, {VW_SLP_S3_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S3_DEASSERTED"}, {VW_SLP_S4_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S4_DEASSERTED"}, {GPIO_PCH_SLP_SUS_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_SUS_DEASSERTED"}, {GPIO_RSMRST_L_PGOOD, POWER_SIGNAL_ACTIVE_HIGH, "RSMRST_L_PGOOD"}, {GPIO_PMIC_DPWROK, POWER_SIGNAL_ACTIVE_HIGH, "PMIC_DPWROK"}, }; BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); /* Keyboard scan. Increase output_settle_us to 80us from default 50us. */ 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_COUNT] = { { .i2c_host_port = I2C_PORT_TCPC0, .i2c_slave_addr = ANX74XX_I2C_ADDR1, .drv = &anx74xx_tcpm_drv, .pol = TCPC_ALERT_ACTIVE_LOW, }, { .i2c_host_port = I2C_PORT_TCPC1, .i2c_slave_addr = ANX74XX_I2C_ADDR1, .drv = &anx74xx_tcpm_drv, .pol = TCPC_ALERT_ACTIVE_LOW, }, }; struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { { .driver = &anx74xx_tcpm_usb_mux_driver, .hpd_update = &anx74xx_tcpc_update_hpd_status, }, { .driver = &anx74xx_tcpm_usb_mux_driver, .hpd_update = &anx74xx_tcpc_update_hpd_status, }, }; /** * 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 port; /* Only reset TCPC if not sysjump */ if (!system_jumped_to_this_image()) 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_COUNT; port++) { const struct usb_mux *mux = &usb_muxes[port]; mux->hpd_update(port, 0, 0); } } DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C+1); 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, 4}, /* These BD99992GW temp sensors are only readable in S0 */ {"Ambient", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, BD99992GW_ADC_CHANNEL_SYSTHERM0, 4}, {"Charger", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, BD99992GW_ADC_CHANNEL_SYSTHERM1, 4}, {"DRAM", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, BD99992GW_ADC_CHANNEL_SYSTHERM2, 4}, {"eMMC", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, BD99992GW_ADC_CHANNEL_SYSTHERM3, 4}, {"Gyro", TEMP_SENSOR_TYPE_BOARD, bmi160_get_sensor_temp, BASE_GYRO, 1}, }; 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, 0x8, &vrfault) != EC_SUCCESS) return; if (!(vrfault & (1 << 4))) return; /* VRFAULT has occurred, print VRFAULT status bits. */ /* PWRSTAT1 */ i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x16, &pwrstat1); /* PWRSTAT2 */ i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 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, 0x8, (1 << 4)); i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x16, pwrstat1); i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 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"); if (system_jumped_to_this_image()) return; /* DISCHGCNT2 - enable 100 ohm discharge on V3.3A and V1.8A */ i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x3d, 0x05); /* DISCHGCNT3 - enable 100 ohm discharge on V1.00A */ i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x3e, 0x04); /* Set CSDECAYEN / VCCIO decays to 0V at assertion of SLP_S0# */ i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x30, 0x7a); /* * Set V100ACNT / V1.00A Control Register: * Nominal output = 1.0V. */ i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 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, 0x38, 0x7a); /* VRMODECTRL - disable low-power mode for all rails */ i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x3b, 0x1f); /* Clear power source events */ i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x04, 0xff); } DECLARE_HOOK(HOOK_INIT, board_pmic_init, HOOK_PRIO_DEFAULT); static void board_set_tablet_mode(void) { int flipped_360_mode = !gpio_get_level(GPIO_TABLET_MODE_L); tablet_set_mode(flipped_360_mode); /* 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 >= 3 && version < 6) return 0; /* All other board versions should have working reset flags */ return 1; } /* * Update status of the ACPRESENT pin on the PCH. In order to prevent * Deep S3 when USB is inserted this will indicate that AC is present * if either port is supplying VBUS or there an external charger present. */ void board_update_ac_status(void) { gpio_set_level(GPIO_PCH_ACOK, extpower_is_present() || board_vbus_source_enabled(0) || board_vbus_source_enabled(1)); } DECLARE_HOOK(HOOK_AC_CHANGE, board_update_ac_status, HOOK_PRIO_DEFAULT); /* 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); /* Update AC status to the PCH */ board_update_ac_status(); #if defined(CONFIG_KEYBOARD_SCANCODE_MUTABLE) && !defined(TEST_BUILD) if (board_get_version() == 4) { /* Set F13 to new defined key on EVT */ CPRINTS("Overriding F13 scan code"); scancode_set2[9][3] = 0xe007; #ifdef CONFIG_KEYBOARD_DEBUG keycap_label[9][3] = KLLI_F13; #endif } #endif } DECLARE_HOOK(HOOK_INIT, board_init, 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) { return charger_get_vbus_voltage(port) < 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 */ #ifndef TEST_BUILD void lid_angle_peripheral_enable(int enable) { /* * If the lid is in 360 position, ignore the lid angle, * which might be faulty. Disable keyboard and trackpad wake. */ if (tablet_get_mode() || chipset_in_state(CHIPSET_STATE_ANY_OFF)) 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); } #endif /* 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, 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) { /* TODO: Call led update function */ CPRINTS("Call LED status update"); 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 bmi160_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_REG_ALSVIS_DATA0, .irq_flags = SI114X_ALS_INT_FLAG, .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, .addr = KXCJ9_ADDR0, .rot_standard_ref = &lid_standard_ref, .default_range = 2, /* g, enough for laptop. */ .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, .addr = BMI160_ADDR0, .rot_standard_ref = NULL, .default_range = 2, /* g, enough for laptop. */ .min_frequency = BMI160_ACCEL_MIN_FREQ, .max_frequency = BMI160_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, .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, .addr = BMI160_ADDR0, .default_range = 1000, /* dps */ .rot_standard_ref = NULL, .min_frequency = BMI160_GYRO_MIN_FREQ, .max_frequency = BMI160_GYRO_MAX_FREQ, }, [BASE_MAG] = { .name = "Base Mag", .active_mask = SENSOR_ACTIVE_S0, .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, .addr = BMI160_ADDR0, .default_range = 1 << 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, .addr = SI114X_ADDR, .rot_standard_ref = NULL, .default_range = 3088, /* 30.88%: int = 0 - frac = 3088/10000 */ .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);