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Diffstat (limited to 'board/grunt/board.c')
| -rw-r--r-- | board/grunt/board.c | 638 |
1 files changed, 638 insertions, 0 deletions
diff --git a/board/grunt/board.c b/board/grunt/board.c new file mode 100644 index 0000000000..d08843dfb6 --- /dev/null +++ b/board/grunt/board.c @@ -0,0 +1,638 @@ +/* Copyright 2017 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. + */ + +/* Grunt board-specific configuration */ + +#include "adc.h" +#include "adc_chip.h" +#include "als.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_al3010.h" +#include "driver/accel_kionix.h" +#include "driver/charger/isl923x.h" +#include "driver/tcpm/ps8xxx.h" +#include "driver/tcpm/tcpci.h" +#include "driver/tcpm/tcpm.h" +#include "driver/temp_sensor/g78x.h" +#include "pi3usb9281.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 "power.h" +#include "power_button.h" +#include "pwm.h" +#include "fan.h" +#include "fan_chip.h" +#include "pwm_chip.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) + +static void tcpc_alert_event(enum gpio_signal signal) +{ + if ((signal == GPIO_USB_C0_PD_INT_ODL) && + !gpio_get_level(GPIO_USB_C0_PD_RST_ODL)) + return; + + if ((signal == GPIO_USB_C1_PD_INT_ODL) && + !gpio_get_level(GPIO_USB_C1_PD_RST_ODL)) + return; + +#ifdef HAS_TASK_PDCMD + /* Exchange status with TCPCs */ + host_command_pd_send_status(PD_CHARGE_NO_CHANGE); +#endif +} + +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); +} + +#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_S3_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S3_DEASSERTED"}, + {GPIO_PCH_SLP_S5_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S5_DEASSERTED"}, + {GPIO_SPOK, POWER_SIGNAL_ACTIVE_HIGH, "SPOK_DEASSERTED"}, + {GPIO_P095VALW_PG, POWER_SIGNAL_ACTIVE_HIGH, "0.95VALW_DEASSERTED"}, +}; +BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); + +/* Temperature sensors data */ +const struct temp_sensor_t temp_sensors[] = { + {"G781_Internal", TEMP_SENSOR_TYPE_BOARD, g78x_get_val, + G78X_TEMP_LOCAL, 4}, + {"G781_Sensor_1", TEMP_SENSOR_TYPE_BOARD, g78x_get_val, + G78X_TEMP_REMOTE1, 4}, + {"Battery", TEMP_SENSOR_TYPE_BATTERY, charge_get_battery_temp, + 0, 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[] = { + {"ISL", al3010_init, al3010_read_lux, 5}, +}; +BUILD_ASSERT(ARRAY_SIZE(als) == ALS_COUNT); + +/* ADC channels */ +const struct adc_t adc_channels[] = { + /* Vfs = Vref = 2.816V, 10-bit unsigned reading */ + [ADC_IMON1] = { + "PD1", NPCX_ADC_CH0, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0 + }, + [ADC_IMON2] = { + "PD2", 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 + }, +}; +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_FAN] = { 0, 0, 25000 }, +}; +BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); + +/******************************************************************************/ +/* Physical fans. These are logically separate from pwm_channels. */ +const struct fan_t fans[] = { + [FAN_CH_0] = { + .flags = FAN_USE_RPM_MODE, + .rpm_min = 1000, + .rpm_start = 1000, + .rpm_max = 4300, + .ch = 0,/* Use MFT id to control fan */ + .pgood_gpio = -1, + .enable_gpio = -1, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(fans) == FAN_CH_COUNT); + +/* MFT channels. These are logically separate from mft_channels. */ +const struct mft_t mft_channels[] = { + [MFT_CH_0] = { NPCX_MFT_MODULE_1, TCKC_LFCLK, PWM_CH_FAN}, +}; +BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_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}, + {"thermal", I2C_PORT_THERMAL, 400, + GPIO_EC_I2C_THERMAL_SCL, GPIO_EC_I2C_THERMAL_SDA}, + {"accelgyro", 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); + +struct pi3usb9281_config pi3usb9281_chips[] = { + { + .i2c_port = NPCX_I2C_PORT0_0, + .mux_lock = NULL, + }, + { + .i2c_port = NPCX_I2C_PORT0_1, + .mux_lock = NULL, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) == + CONFIG_BC12_DETECT_PI3USB9281_CHIP_COUNT); + +const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = { + [0] = { + .i2c_host_port = NPCX_I2C_PORT0_0, + .i2c_slave_addr = 0x16, + .drv = &ps8xxx_tcpm_drv, + .pol = TCPC_ALERT_ACTIVE_LOW, + }, + [1] = { + .i2c_host_port = NPCX_I2C_PORT0_1, + .i2c_slave_addr = 0x16, + .drv = &ps8xxx_tcpm_drv, + .pol = TCPC_ALERT_ACTIVE_LOW, + }, +}; + +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_ODL)) + 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); + +struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { + { + .port_addr = 0, + .driver = &tcpci_tcpm_usb_mux_driver, + .hpd_update = &ps8xxx_tcpc_update_hpd_status, + }, + { + .port_addr = 1, + .driver = &tcpci_tcpm_usb_mux_driver, + .hpd_update = &ps8xxx_tcpc_update_hpd_status, + } +}; + +const int usb_port_enable[CONFIG_USB_PORT_POWER_SMART_PORT_COUNT] = { + GPIO_USB1_ENABLE, +}; + +/** + * Reset PD MCU -- 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 */ + gpio_set_level(GPIO_USB_C1_PD_RST_ODL, 0); + + /* Assert reset to TCPC0 */ + gpio_set_level(GPIO_USB_C0_PD_RST_ODL, 0); + + /* TCPC0 requires 10ms reset/power down assertion */ + msleep(10); + + /* Deassert reset to TCPC1 */ + gpio_set_level(GPIO_USB_C1_PD_RST_ODL, 1); + + /* Deassert reset to TCPC0 */ + gpio_set_level(GPIO_USB_C0_PD_RST_ODL, 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 TCPC0 interrupt */ + gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); + + /* Enable TCPC1 interrupt */ + gpio_enable_interrupt(GPIO_USB_C1_PD_INT_ODL); + + /* + * 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); + +/* Called by power state machine when transitioning from G3 to S5 */ +static void chipset_pre_init(void) +{ + +} +DECLARE_HOOK(HOOK_CHIPSET_PRE_INIT, chipset_pre_init, HOOK_PRIO_DEFAULT); + +/* Initialize board. */ +static void board_init(void) +{ + /* Enable pericom BC1.2 interrupts */ + gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L); + gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L); +} +DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_FIRST); + +/* + * TODO(b/63514169) + * There is no VBUS detect pin in proto phase, EC needs to + * get VBUS information from BC1.2 chip. HW will add VBUS + * detect pin in EVT phase and EC can get VBUS status from + * GPIO. + */ +int check_vbus_status(int port) +{ + int reg; + + i2c_read8(pi3usb9281_chips[port].i2c_port, + 0x4A, PI3USB9281_REG_VBUS, ®); + + return ((reg & 0x02) >> 1); +} + +void update_vbus_status(void) +{ + uint8_t port, vbus; + + for (port = 0; port < CONFIG_USB_PD_PORT_COUNT; port++) { + vbus = check_vbus_status(port); + usb_charger_vbus_change(port, vbus); + task_wake(port ? TASK_ID_PD_C1 : TASK_ID_PD_C0); + } +} + +/* + * TODO(b/63514169) + * Check VBUS status when AC changes to update the charge source information. + * We will modify it to gpio interrupt control when HW adds vbus status pin + * in EVT phase. + */ +static void board_extpower(void) +{ + update_vbus_status(); +} +DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT); + +int pd_snk_is_vbus_provided(int port) +{ + return check_vbus_status(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) +{ + static int initialized; + + /* + * Reject charge port disable if our battery is critical and we + * have yet to initialize a charge port - continue to charge using + * charger ROM / POR settings. + */ + if (!initialized && + charge_port == CHARGE_PORT_NONE && + charge_get_percent() < 2) + return -1; + + switch (charge_port) { + case 0: + /* Don't charge from a source port */ + if (board_vbus_source_enabled(charge_port)) + return -1; + + gpio_set_level(GPIO_USB_C0_5V_EN, 0); + gpio_set_level(GPIO_USB_C0_20V_EN, 1); + break; + case 1: + /* Don't charge from a source port */ + if (board_vbus_source_enabled(charge_port)) + return -1; + + gpio_set_level(GPIO_USB_C1_5V_EN, 0); + gpio_set_level(GPIO_USB_C1_20V_EN, 1); + break; + case CHARGE_PORT_NONE: + gpio_set_level(GPIO_USB_C0_20V_EN, 0); + gpio_set_level(GPIO_USB_C1_20V_EN, 0); + break; + default: + panic("Invalid charge port\n"); + break; + } + + CPRINTS("New chg p%d", charge_port); + initialized = 1; + + 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). + * @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) +{ + charge_ma = (charge_ma * 95) / 100; + charge_set_input_current_limit(MAX(charge_ma, + CONFIG_CHARGER_INPUT_CURRENT), charge_mv); +} + +/** + * Return if board is consuming full amount of input current + */ +int board_is_consuming_full_charge(void) +{ + int chg_perc = charge_get_percent(); + + return chg_perc > 2 && chg_perc < 95; +} + +/** + * Return if VBUS is sagging too low + */ +int board_is_vbus_too_low(int port, enum chg_ramp_vbus_state ramp_state) +{ + return 0; +} + +/* 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_TRACKPAD, 1); + + /* Enable Touchscreen */ + gpio_set_level(GPIO_EN_TOUCHSCREEN, 1); + + /* Enable Codec */ + gpio_set_level(GPIO_EN_ALC_CLK, 1); + + /* + * TODO: Remove after thermal control table is provided + */ + fan_set_duty(0, 75); +} +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_TRACKPAD, 0); + + /* Disable Touchscreen */ + gpio_set_level(GPIO_EN_TOUCHSCREEN, 0); + + /* Disable Codec */ + gpio_set_level(GPIO_EN_ALC_CLK, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); + +void chipset_do_shutdown(void) +{ + +} + +void board_hibernate_late(void) +{ + int i; + const uint32_t hibernate_pins[][2] = { + /* Turn off LEDs in hibernate */ + {GPIO_BAT_LED_GREEN, GPIO_INPUT | GPIO_PULL_UP}, + {GPIO_BAT_LED_AMBER, GPIO_INPUT | GPIO_PULL_UP}, + {GPIO_PWR_LED_GREEN, GPIO_INPUT | GPIO_PULL_UP}, + {GPIO_LID_OPEN, GPIO_INT_RISING | GPIO_PULL_DOWN}, + + {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; +struct kionix_accel_data g_kxcj9_data; + +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_ADDR1, + .rot_standard_ref = NULL, /* Identity matrix. */ + .default_range = 2, /* g, enough for laptop. */ + .min_frequency = KXCJ9_ACCEL_MIN_FREQ, + .max_frequency = KXCJ9_ACCEL_MAX_FREQ, + .config = { + /* AP: by default use EC settings */ + [SENSOR_CONFIG_AP] = { + .odr = 0, + .ec_rate = 0, + }, + /* Setup for AP for rotation detection */ + [SENSOR_CONFIG_EC_S0] = { + .odr = 10000 | ROUND_UP_FLAG, + .ec_rate = 0, + }, + [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) +{ + /* + * 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); +} + +struct { + enum board_version version; + int thresh_mv; +} const board_versions[] = { + /* Vin = 3.3V, R1 = 46.4K, R2 values listed below */ + { BOARD_VERSION_1, 328 * 1.03 }, /* 5.11 Kohm */ + { BOARD_VERSION_2, 670 * 1.03 }, /* 11.8 Kohm */ + { BOARD_VERSION_3, 1012 * 1.03 }, /* 20.5 Kohm */ + { BOARD_VERSION_4, 1357 * 1.03 }, /* 32.4 Kohm */ + { BOARD_VERSION_5, 1690 * 1.03 }, /* 48.7 Kohm */ + { BOARD_VERSION_6, 2020 * 1.03 }, /* 73.2 Kohm */ + { BOARD_VERSION_7, 2352 * 1.03 }, /* 115 Kohm */ + { BOARD_VERSION_8, 2802 * 1.03 }, /* 261 Kohm */ +}; +BUILD_ASSERT(ARRAY_SIZE(board_versions) == BOARD_VERSION_COUNT); + +int board_get_version(void) +{ + static int version = BOARD_VERSION_UNKNOWN; + int mv, i; + + if (version != BOARD_VERSION_UNKNOWN) + return version; + + /* FIXME(dhendrix): enable ADC */ + gpio_set_flags(GPIO_EC_BRD_ID_EN_ODL, GPIO_ODR_HIGH); + gpio_set_level(GPIO_EC_BRD_ID_EN_ODL, 0); + /* Wait to allow cap charge */ + msleep(1); + mv = adc_read_channel(ADC_BOARD_ID); + /* FIXME(dhendrix): disable ADC */ + gpio_set_level(GPIO_EC_BRD_ID_EN_ODL, 1); + gpio_set_flags(GPIO_EC_BRD_ID_EN_ODL, GPIO_INPUT); + + if (mv == ADC_READ_ERROR) { + version = BOARD_VERSION_UNKNOWN; + return version; + } + + for (i = 0; i < BOARD_VERSION_COUNT; i++) { + if (mv < board_versions[i].thresh_mv) { + version = board_versions[i].version; + break; + } + } + + CPRINTS("Board version: %d\n", version); + return version; +} + +/* Keyboard scan setting */ +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 */ + }, +}; |