/* Copyright 2015 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. */ /* Wheatley board-specific configuration */ #include "adc_chip.h" #include "als.h" #include "bd99992gw.h" #include "button.h" #include "charge_manager.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_bmi160.h" #include "driver/tcpm/tcpci.h" #include "extpower.h" #include "gpio.h" #include "hooks.h" #include "host_command.h" #include "i2c.h" #include "keyboard_scan.h" #include "lid_switch.h" #include "math_util.h" #include "motion_sense.h" #include "motion_lid.h" #include "pi3usb9281.h" #include "power.h" #include "power_button.h" #include "spi.h" #include "switch.h" #include "system.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) #define I2C_ADDR_BD99992 0x60 /* Exchange status with PD MCU. */ static void pd_mcu_interrupt(enum gpio_signal signal) { #ifdef HAS_TASK_PDCMD /* Exchange status with PD MCU to determine interrupt cause */ host_command_pd_send_status(0); #endif } void vbus0_evt(enum gpio_signal signal) { /* VBUS present GPIO is inverted */ usb_charger_vbus_change(0, !gpio_get_level(signal)); task_wake(TASK_ID_PD_C0); } void vbus1_evt(enum gpio_signal signal) { /* VBUS present GPIO is inverted */ usb_charger_vbus_change(1, !gpio_get_level(signal)); task_wake(TASK_ID_PD_C1); } void usb0_evt(enum gpio_signal signal) { task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12, 0); } void usb1_evt(enum gpio_signal signal) { task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12, 0); } /* * 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); void tablet_mode_interrupt(enum gpio_signal signal) { hook_call_deferred(&enable_input_devices_data, 0); } #include "gpio_list.h" /* power signal list. Must match order of enum power_signal. */ const struct power_signal_info power_signal_list[] = { {GPIO_RSMRST_L_PGOOD, 1, "RSMRST_N_PWRGD"}, {GPIO_PCH_SLP_S0_L, 1, "SLP_S0_DEASSERTED"}, #ifdef CONFIG_ESPI_VW_SIGNALS {VW_SLP_S3_L, 1, "SLP_S3_DEASSERTED"}, {VW_SLP_S4_L, 1, "SLP_S4_DEASSERTED"}, #else {GPIO_PCH_SLP_S3_L, 1, "SLP_S3_DEASSERTED"}, {GPIO_PCH_SLP_S4_L, 1, "SLP_S4_DEASSERTED"}, #endif {GPIO_PCH_SLP_SUS_L, 1, "SLP_SUS_DEASSERTED"}, {GPIO_PMIC_DPWROK, 1, "PMIC_DPWROK"}, }; BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); /* ADC channels */ const struct adc_t adc_channels[] = { /* Vbus sensing. Converted to mV, full ADC is equivalent to 28.16V. */ [ADC_VBUS] = {"VBUS", NPCX_ADC_CH1, 28160, ADC_READ_MAX+1, 0}, /* Adapter current output or battery discharging current */ [ADC_AMON_BMON] = {"AMON_BMON", NPCX_ADC_CH4, 55000, 6144, 0}, /* System current consumption */ [ADC_PSYS] = {"PSYS", NPCX_ADC_CH3, 1, 1, 0}, }; BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); const struct i2c_port_t i2c_ports[] = { {"pmic", NPCX_I2C_PORT0_0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA}, {"muxes", NPCX_I2C_PORT0_1, 400, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA}, {"pd_mcu", NPCX_I2C_PORT1, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, {"sensors", NPCX_I2C_PORT2, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, {"batt", NPCX_I2C_PORT3, 100, GPIO_I2C3_SCL, GPIO_I2C3_SDA}, }; const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = { {I2C_PORT_TCPC, CONFIG_TCPC_I2C_BASE_ADDR, &tcpci_tcpm_drv}, {I2C_PORT_TCPC, CONFIG_TCPC_I2C_BASE_ADDR + 2, &tcpci_tcpm_drv}, }; 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); struct pi3usb9281_config pi3usb9281_chips[] = { { .i2c_port = I2C_PORT_USB_CHARGER_1, .mux_lock = NULL, }, { .i2c_port = I2C_PORT_USB_CHARGER_2, .mux_lock = NULL, }, }; BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) == CONFIG_USB_SWITCH_PI3USB9281_CHIP_COUNT); struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { { .port_addr = 0xa8, .driver = &pi3usb30532_usb_mux_driver, }, { .port_addr = 0x20, .driver = &ps8740_usb_mux_driver, } }; /** * Reset PD MCU */ void board_reset_pd_mcu(void) { gpio_set_level(GPIO_PD_RST_L, 0); usleep(100); gpio_set_level(GPIO_PD_RST_L, 1); } 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}, {"Wifi", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, BD99992GW_ADC_CHANNEL_SYSTHERM3, 4}, }; BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); /* ALS instances. Must be in same order as enum als_id. */ struct als_t als[] = { {"TI", opt3001_init, opt3001_read_lux, 5}, }; BUILD_ASSERT(ARRAY_SIZE(als) == ALS_COUNT); const struct button_config buttons[CONFIG_BUTTON_COUNT] = { {"Volume Down", KEYBOARD_BUTTON_VOLUME_DOWN, GPIO_VOLUME_DOWN_L, 30 * MSEC, 0}, {"Volume Up", KEYBOARD_BUTTON_VOLUME_UP, GPIO_VOLUME_UP_L, 30 * MSEC, 0}, }; static void board_pmic_init(void) { /* No need to re-init PMIC since settings are sticky across sysjump */ if (system_jumped_to_this_image()) return; /* * 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); } DECLARE_HOOK(HOOK_INIT, board_pmic_init, HOOK_PRIO_DEFAULT); /* Initialize board. */ static void board_init(void) { /* Enable PD MCU interrupt */ gpio_enable_interrupt(GPIO_PD_MCU_INT); /* Enable VBUS interrupt */ gpio_enable_interrupt(GPIO_USB_C0_VBUS_WAKE_L); gpio_enable_interrupt(GPIO_USB_C1_VBUS_WAKE_L); /* Enable pericom BC1.2 interrupts */ gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L); gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L); /* Enable tablet mode interrupt for input device enable */ gpio_enable_interrupt(GPIO_TABLET_MODE_L); /* Provide AC status to the PCH */ gpio_set_level(GPIO_PCH_ACOK, extpower_is_present()); } DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); /** * Buffer the AC present GPIO to the PCH. */ static void board_extpower(void) { gpio_set_level(GPIO_PCH_ACOK, extpower_is_present()); } DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT); /** * 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) { /* charge port is a realy physical port */ int is_real_port = (charge_port >= 0 && charge_port < CONFIG_USB_PD_PORT_COUNT); /* check if we are source vbus on that port */ int source = gpio_get_level(charge_port == 0 ? GPIO_USB_C0_5V_EN : GPIO_USB_C1_5V_EN); if (is_real_port && source) { CPRINTS("Skip enable p%d", charge_port); return EC_ERROR_INVAL; } CPRINTS("New chg p%d", charge_port); if (charge_port == CHARGE_PORT_NONE) { /* Disable both ports */ gpio_set_level(GPIO_USB_C0_CHARGE_EN_L, 1); gpio_set_level(GPIO_USB_C1_CHARGE_EN_L, 1); } else { /* Make sure non-charging port is disabled */ gpio_set_level(charge_port ? GPIO_USB_C0_CHARGE_EN_L : GPIO_USB_C1_CHARGE_EN_L, 1); /* Enable charging port */ gpio_set_level(charge_port ? GPIO_USB_C1_CHARGE_EN_L : GPIO_USB_C0_CHARGE_EN_L, 0); } return EC_SUCCESS; } /** * Set the charge limit based upon desired maximum. * * @param port Port number. * @param supplier Charge supplier type. * @param charge_ma Desired charge limit (mA). */ void board_set_charge_limit(int port, int supplier, int charge_ma, int max_ma) { charge_set_input_current_limit(MAX(charge_ma, CONFIG_CHARGER_INPUT_CURRENT)); } /* Enable or disable input devices, based upon chipset state and tablet mode */ static void enable_input_devices(void) { int kb_enable = 1; int tp_enable = 1; /* Disable both TP and KB in tablet mode */ if (!gpio_get_level(GPIO_TABLET_MODE_L)) kb_enable = tp_enable = 0; /* Disable TP if chipset is off */ else if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) tp_enable = 0; keyboard_scan_enable(kb_enable, KB_SCAN_DISABLE_LID_ANGLE); gpio_set_level(GPIO_ENABLE_TOUCHPAD, tp_enable); } /* Called on AP S5 -> S3 transition */ static void board_chipset_startup(void) { gpio_set_level(GPIO_USB1_ENABLE, 1); gpio_set_level(GPIO_USB2_ENABLE, 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) { gpio_set_level(GPIO_USB1_ENABLE, 0); gpio_set_level(GPIO_USB2_ENABLE, 0); hook_call_deferred(&enable_input_devices_data, 0); } DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); /* Called on AP S3 -> S0 transition */ static void board_chipset_resume(void) { gpio_set_level(GPIO_PP1800_DX_AUDIO_EN, 1); gpio_set_level(GPIO_PP1800_DX_SENSOR_EN, 1); /* * Now that we have enabled the rail to the sensors, let's give enough * time for the sensors to boot up. Without this delay, the very first * i2c transactions always fail because the sensors aren't ready yet. * In testing, a 2ms delay seemed to be reliable, but we'll delay for * 3ms just to be safe. * * Additionally, this hook needs to be run before the motion sense hook * tries to initialize the sensors. */ msleep(3); } DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, MOTION_SENSE_HOOK_PRIO-1); /* Called on AP S0 -> S3 transition */ static void board_chipset_suspend(void) { gpio_set_level(GPIO_PP1800_DX_AUDIO_EN, 0); gpio_set_level(GPIO_PP1800_DX_SENSOR_EN, 0); } DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); void board_hibernate_late(void) { int i; const uint32_t hibernate_pins[][2] = { /* Turn off LEDs in hibernate */ {GPIO_CHARGE_LED_1, GPIO_OUTPUT | GPIO_LOW}, {GPIO_CHARGE_LED_2, GPIO_OUTPUT | GPIO_LOW}, /* * Set PD wake low so that it toggles high to generate a wake * event once we leave hibernate. */ {GPIO_USB_PD_WAKE, GPIO_OUTPUT | GPIO_LOW}, /* * In hibernate, this pin connected to GND. Set it to output * low to eliminate the current caused by internal pull-up. */ {GPIO_PLATFORM_EC_PROCHOT, GPIO_OUTPUT | GPIO_LOW}, /* * Leave USB-C charging enabled in hibernate, in order to * allow wake-on-plug. 5V enable must be pulled low. */ {GPIO_USB_C0_5V_EN, GPIO_INPUT | GPIO_PULL_DOWN}, {GPIO_USB_C0_CHARGE_EN_L, GPIO_OUTPUT | GPIO_LOW}, {GPIO_USB_C1_5V_EN, GPIO_INPUT | GPIO_PULL_DOWN}, {GPIO_USB_C1_CHARGE_EN_L, GPIO_OUTPUT | GPIO_LOW}, }; /* 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, 0xFF, GPIO_INPUT | GPIO_PULL_UP); gpio_set_flags_by_mask(0x0, 0xE0, GPIO_INPUT | GPIO_PULL_UP); } /* Any wheatley boards post version 2 should have ROP_LDO_EN stuffed. */ #define BOARD_MIN_ID_LOD_EN 2 /* Make the pmic re-sequence the power rails under these conditions. */ #define PMIC_RESET_FLAGS \ (RESET_FLAG_WATCHDOG | RESET_FLAG_SOFT | RESET_FLAG_HARD) static void board_handle_reboot(void) { int flags; if (system_jumped_to_this_image()) return; if (system_get_board_version() < BOARD_MIN_ID_LOD_EN) return; /* Interrogate current reset flags from previous reboot. */ flags = system_get_reset_flags(); if (!(flags & PMIC_RESET_FLAGS)) return; ccprintf("Restarting system with PMIC.\n"); /* Flush console */ cflush(); /* Bring down all rails but RTC rail (including EC power). */ gpio_set_flags(GPIO_BATLOW_L_PMIC_LDO_EN, GPIO_OUT_HIGH); while (1) ; /* wait here */ } DECLARE_HOOK(HOOK_INIT, board_handle_reboot, HOOK_PRIO_FIRST); #ifdef HAS_TASK_MOTIONSENSE /* Motion sensors */ /* Mutexes */ static struct mutex g_lid_mutex; static struct mutex g_base_mutex; /* KX022 private data */ struct kionix_accel_data g_kx022_data; struct motion_sensor_t motion_sensors[] = { [LID_ACCEL] = { .name = "Lid Accel", .active_mask = SENSOR_ACTIVE_S0, .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_ACCEL, .addr = KX022_ADDR1, .rot_standard_ref = NULL, /* Identity matrix. */ .default_range = 2, /* g, enough for laptop. */ .config = { /* AP: suspended until AP asks for data. */ [SENSOR_CONFIG_AP] = { .odr = 0, .ec_rate = 0, }, /* EC use accel for angle detection */ [SENSOR_CONFIG_EC_S0] = { .odr = 10000 | ROUND_UP_FLAG, .ec_rate = 100 * MSEC, }, /* unused */ [SENSOR_CONFIG_EC_S3] = { .odr = 0, .ec_rate = 0, }, [SENSOR_CONFIG_EC_S5] = { .odr = 0, .ec_rate = 0, }, }, }, [BASE_ACCEL] = { .name = "Base Accel", .active_mask = SENSOR_ACTIVE_S0, .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_ACCEL .addr = BMI160_ADDR0, .rot_standard_ref = NULL, /* Identity matrix. */ .default_range = 2, /* g, enough for laptop. */ .config = { /* AP: suspended until AP asks for data. */ [SENSOR_CONFIG_AP] = { .odr = 0, .ec_rate = 0, }, /* EC use accel for angle detection */ [SENSOR_CONFIG_EC_S0] = { .odr = 10000 | ROUND_UP_FLAG, .ec_rate = 100, }, /* Sensor off in S3/S5 */ [SENSOR_CONFIG_EC_S3] = { .odr = 0, .ec_rate = 0 }, /* Sensor off in S3/S5 */ [SENSOR_CONFIG_EC_S5] = { .odr = 0, .ec_rate = 0 }, }, }, [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_ACCEL, .addr = BMI160_ADDR0, .default_range = 1000, /* dps */ .rot_standard_ref = NULL, /* Identity Matrix. */ .config = { /* AP: by default shutdown all sensors */ [SENSOR_CONFIG_AP] = { .odr = 0, .ec_rate = 0, }, /* EC does not need in S0 */ [SENSOR_CONFIG_EC_S0] = { .odr = 0, .ec_rate = 0, }, /* Sensor off in S3/S5 */ [SENSOR_CONFIG_EC_S3] = { .odr = 0, .ec_rate = 0, }, /* Sensor off in S3/S5 */ [SENSOR_CONFIG_EC_S5] = { .odr = 0, .ec_rate = 0, }, }, }, }; const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); #endif /* defined(HAS_TASK_MOTIONSENSE) */