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Diffstat (limited to 'board/amenia/board.c')
| -rw-r--r-- | board/amenia/board.c | 513 |
1 files changed, 513 insertions, 0 deletions
diff --git a/board/amenia/board.c b/board/amenia/board.c new file mode 100644 index 0000000000..ab0c239124 --- /dev/null +++ b/board/amenia/board.c @@ -0,0 +1,513 @@ +/* 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. + */ + +/* Amenia board-specific configuration */ + +#include "adc_chip.h" +#include "als.h" +#include "button.h" +#include "charge_manager.h" +#include "charge_state.h" +#include "charger.h" +#include "chipset.h" +#include "console.h" +#include "driver/als_isl29035.h" +#include "driver/accel_kionix.h" +#include "driver/accel_kxcj9.h" +#include "driver/accelgyro_bmi160.h" +#include "driver/temp_sensor/tmp432.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" + +#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) +#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) + +/* 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); + +void tablet_mode_interrupt(enum gpio_signal signal) +{ + hook_call_deferred(enable_input_devices, 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, "PMIC_RSMRST_N"}, + {GPIO_ALL_SYS_PGOOD, 1, "ALL_SYS_PWRGD"}, + {GPIO_PCH_SLP_S0_L, 1, "PMU_SLP_S0_N"}, + {GPIO_PCH_SLP_S3_L, 1, "PMU_SLP_S3_N"}, + {GPIO_PCH_SLP_S4_L, 1, "PMU_SLP_S4_N"}, + {GPIO_PCH_SUSPWRDNACK, 1, "SUSPWRDNACK"}, + {GPIO_PCH_SUS_STAT_L, 1, "PMU_SUS_STAT_N"}, +}; +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}, + {I2C_PORT_TCPC, CONFIG_TCPC_I2C_BASE_ADDR + 2}, +}; + +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 = 0xaa, + .driver = &pi3usb30532_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); +} + +/* + * Temperature sensors data; must be in same order as enum temp_sensor_id. + * Sensor index and name must match those present in coreboot: + * src/mainboard/google/${board}/acpi/dptf.asl + */ +const struct temp_sensor_t temp_sensors[] = { + {"TMP432_Internal", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val, + TMP432_IDX_LOCAL, 4}, + {"TMP432_Sensor_1", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val, + TMP432_IDX_REMOTE1, 4}, + {"TMP432_Sensor_2", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val, + TMP432_IDX_REMOTE2, 4}, + {"Battery", TEMP_SENSOR_TYPE_BATTERY, charge_temp_sensor_get_val, + 0, 4}, +}; +BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); + +/* + * Thermal limits for each temp sensor. All temps are in degrees K. Must be in + * same order as enum temp_sensor_id. To always ignore any temp, use 0. + */ +struct ec_thermal_config thermal_params[] = { + /* {Twarn, Thigh, Thalt}, fan_off, fan_max */ + {{0, 0, 0}, 0, 0}, /* TMP432_Internal */ + {{0, 0, 0}, 0, 0}, /* TMP432_Sensor_1 */ + {{0, 0, 0}, 0, 0}, /* TMP432_Sensor_2 */ + {{0, 0, 0}, 0, 0}, /* Battery */ +}; +BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT); + +/* ALS instances. Must be in same order as enum als_id. */ +struct als_t als[] = { + {"ISL", isl29035_init, isl29035_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}, +}; + +/* 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); +} +DECLARE_HOOK(HOOK_INIT, board_init, 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 charge_ma Desired charge limit (mA). + */ +void board_set_charge_limit(int charge_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); +} +DECLARE_DEFERRED(enable_input_devices); + +/* Called on AP S5 -> S3 transition */ +static void board_chipset_startup(void) +{ + hook_call_deferred(enable_input_devices, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); + +/* Called on AP S3 -> S5 transition */ +static void board_chipset_shutdown(void) +{ + hook_call_deferred(enable_input_devices, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, 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); +} + +/* Motion sensors */ +/* Mutexes */ +static struct mutex g_lid_mutex; +static struct mutex g_base_mutex; + +/* Matrix to rotate accelrator into standard reference frame */ +const matrix_3x3_t base_standard_ref = { + { 0, FLOAT_TO_FP(1), 0}, + { FLOAT_TO_FP(-1), 0, 0}, + { 0, 0, FLOAT_TO_FP(1)} +}; + +/* KXCJ9 private data */ +struct kionix_accel_data g_kxcj9_data = { + .variant = KXCJ9, +}; + +struct motion_sensor_t motion_sensors[] = { + /* + * Note: bmi160: supports accelerometer and gyro sensor + * Requirement: accelerometer sensor must init before gyro sensor + * DO NOT change the order of the following table. + */ + [LID_ACCEL] = { + .name = "Lid Accel", + .active_mask = SENSOR_ACTIVE_S0, + .chip = MOTIONSENSE_CHIP_BMI160, + .type = MOTIONSENSE_TYPE_ACCEL, + .location = MOTIONSENSE_LOC_LID, + .drv = &bmi160_drv, + .mutex = &g_lid_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: by default use EC settings */ + [SENSOR_CONFIG_AP] = { + .odr = 10000 | ROUND_UP_FLAG, + .ec_rate = 100 * MSEC, + }, + /* EC use accel for angle detection */ + [SENSOR_CONFIG_EC_S0] = { + .odr = 10000 | ROUND_UP_FLAG, + .ec_rate = 100 * MSEC, + }, + /* 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 + }, + }, + }, + + [LID_GYRO] = { + .name = "Lid Gyro", + .active_mask = SENSOR_ACTIVE_S0, + .chip = MOTIONSENSE_CHIP_BMI160, + .type = MOTIONSENSE_TYPE_GYRO, + .location = MOTIONSENSE_LOC_LID, + .drv = &bmi160_drv, + .mutex = &g_lid_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, + }, + }, + }, + + [BASE_ACCEL] = { + .name = "Base Accel", + .active_mask = SENSOR_ACTIVE_S0, + .chip = MOTIONSENSE_CHIP_KXCJ9, + .type = MOTIONSENSE_TYPE_ACCEL, + .location = MOTIONSENSE_LOC_BASE, + .drv = &kionix_accel_drv, + .mutex = &g_base_mutex, + .drv_data = &g_kxcj9_data, + .port = I2C_PORT_ACCEL, + .addr = KXCJ9_ADDR1, + .rot_standard_ref = &base_standard_ref, /* Identity matrix. */ + .default_range = 2, /* g, enough for laptop. */ + .config = { + /* AP: by default use EC settings */ + [SENSOR_CONFIG_AP] = { + .odr = 10000 | ROUND_UP_FLAG, + .ec_rate = 100 * MSEC, + }, + /* 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, + }, + }, + }, +}; +const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); + +void board_hibernate(void) +{ + CPRINTS("Enter Pseudo G3"); + + /* + * Clean up the UART buffer and prevent any unwanted garbage characters + * before power off and also ensure above debug message is printed. + */ + cflush(); + + gpio_set_level(GPIO_G3_SLEEP_EN, 1); + + /* Power to EC should shut down now */ + while (1) + ; +} |