/* 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. */ /* Kahlee 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 whether ramping is allowed for given supplier */ int board_is_ramp_allowed(int supplier) { /* Don't allow ramping in RO when write protected */ if (!system_is_in_rw() && system_is_locked()) return 0; else return (supplier == CHARGE_SUPPLIER_BC12_DCP || supplier == CHARGE_SUPPLIER_BC12_SDP || supplier == CHARGE_SUPPLIER_BC12_CDP || supplier == CHARGE_SUPPLIER_OTHER); } /** * Return the maximum allowed input current */ int board_get_ramp_current_limit(int supplier, int sup_curr) { switch (supplier) { case CHARGE_SUPPLIER_BC12_DCP: return 2000; case CHARGE_SUPPLIER_BC12_SDP: return 1000; case CHARGE_SUPPLIER_BC12_CDP: case CHARGE_SUPPLIER_PROPRIETARY: return sup_curr; default: return 500; } } /** * 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 */ }, };