/* Copyright 2020 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /* Coachz board-specific configuration */ #include "adc_chip.h" #include "button.h" #include "charge_manager.h" #include "charge_state.h" #include "common.h" #include "extpower.h" #include "driver/accel_bma2x2.h" #include "driver/accelgyro_bmi_common.h" #include "driver/accelgyro_bmi260.h" #include "driver/ppc/sn5s330.h" #include "driver/tcpm/ps8xxx.h" #include "driver/tcpm/tcpci.h" #include "gpio.h" #include "hooks.h" #include "lid_switch.h" #include "mkbp_input_devices.h" #include "peripheral_charger.h" #include "pi3usb9201.h" #include "power.h" #include "power/qcom.h" #include "power_button.h" #include "pwm.h" #include "pwm_chip.h" #include "queue.h" #include "system.h" #include "shi_chip.h" #include "switch.h" #include "tablet_mode.h" #include "task.h" #include "usbc_ppc.h" #define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ##args) #define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ##args) #define KS_DEBOUNCE_US (30 * MSEC) /* Debounce time for kickstand switch */ /* Forward declaration */ static void tcpc_alert_event(enum gpio_signal signal); static void usb0_evt(enum gpio_signal signal); static void usb1_evt(enum gpio_signal signal); static void ppc_interrupt(enum gpio_signal signal); static void board_connect_c0_sbu(enum gpio_signal s); static void ks_interrupt(enum gpio_signal s); #include "gpio_list.h" /* * Workaround for b/193223400. This disables the IRQ from CTN730. Fixing this * here (using a rather awkward way) separates the fix from the common code. */ #ifdef SECTION_IS_RW #define GPIO_PCHG_P0 GPIO_WLC_IRQ_CONN #else #define GPIO_PCHG_P0 ARRAY_SIZE(gpio_irq_handlers) #endif extern struct pchg_drv ctn730_drv; struct pchg pchgs[] = { [0] = { .cfg = &(const struct pchg_config) { .drv = &ctn730_drv, .i2c_port = I2C_PORT_WLC, .irq_pin = GPIO_PCHG_P0, .full_percent = 96, .block_size = 128, }, .policy = { [PCHG_CHIPSET_STATE_ON] = &pchg_policy_on, [PCHG_CHIPSET_STATE_SUSPEND] = &pchg_policy_suspend, }, .events = QUEUE_NULL(PCHG_EVENT_QUEUE_SIZE, enum pchg_event), }, }; const int pchg_count = ARRAY_SIZE(pchgs); /* GPIO Interrupt Handlers */ 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); } static void usb0_evt(enum gpio_signal signal) { usb_charger_task_set_event(0, USB_CHG_EVENT_BC12); } static void usb1_evt(enum gpio_signal signal) { usb_charger_task_set_event(1, USB_CHG_EVENT_BC12); } static void ppc_interrupt(enum gpio_signal signal) { switch (signal) { case GPIO_USB_C0_SWCTL_INT_ODL: sn5s330_interrupt(0); break; case GPIO_USB_C1_SWCTL_INT_ODL: sn5s330_interrupt(1); break; default: break; } } static void board_connect_c0_sbu_deferred(void) { /* * If CCD_MODE_ODL asserts, it means there's a debug accessory connected * and we should enable the SBU FETs. */ ppc_set_sbu(0, 1); } DECLARE_DEFERRED(board_connect_c0_sbu_deferred); static void board_connect_c0_sbu(enum gpio_signal s) { hook_call_deferred(&board_connect_c0_sbu_deferred_data, 0); } static int debounced_ks_attached; static int debounced_ks_open; /** * Kickstand switch initialization */ static void ks_init(void) { debounced_ks_attached = !gpio_get_level(GPIO_KS_ATTACHED_L); debounced_ks_open = gpio_get_level(GPIO_KS_OPEN); /* Enable interrupts, now that we've initialized */ gpio_enable_interrupt(GPIO_KS_ATTACHED_L); gpio_enable_interrupt(GPIO_KS_OPEN); } DECLARE_HOOK(HOOK_INIT, ks_init, HOOK_PRIO_INIT_SWITCH); /** * Handle debounced kickstand switch changing state. */ static void ks_change_deferred(void) { const int ks_attached = !gpio_get_level(GPIO_KS_ATTACHED_L); const int ks_open = gpio_get_level(GPIO_KS_OPEN); int proximity_detected; /* If the switches haven't changed, nothing to do */ if (ks_attached == debounced_ks_attached && ks_open == debounced_ks_open) return; /* * A heuristic method to use the kickstand position to approach * the human body proximity. */ proximity_detected = !(ks_attached && ks_open); CPRINTS("ks %s %s -> proximity %s", ks_attached ? "attached" : "detached", ks_open ? "open" : "close", proximity_detected ? "on" : "off"); debounced_ks_attached = ks_attached; debounced_ks_open = ks_open; mkbp_update_switches(EC_MKBP_FRONT_PROXIMITY, proximity_detected); } DECLARE_DEFERRED(ks_change_deferred); static void ks_interrupt(enum gpio_signal s) { /* Reset kickstand debounce time */ hook_call_deferred(&ks_change_deferred_data, KS_DEBOUNCE_US); } /* I2C port map */ const struct i2c_port_t i2c_ports[] = { { .name = "power", .port = I2C_PORT_POWER, .kbps = 100, .scl = GPIO_EC_I2C_POWER_SCL, .sda = GPIO_EC_I2C_POWER_SDA }, { .name = "tcpc0", .port = I2C_PORT_TCPC0, .kbps = 1000, .scl = GPIO_EC_I2C_USB_C0_PD_SCL, .sda = GPIO_EC_I2C_USB_C0_PD_SDA }, { .name = "tcpc1", .port = I2C_PORT_TCPC1, .kbps = 1000, .scl = GPIO_EC_I2C_USB_C1_PD_SCL, .sda = GPIO_EC_I2C_USB_C1_PD_SDA }, { .name = "wlc", .port = I2C_PORT_WLC, .kbps = 400, .scl = GPIO_EC_I2C_WLC_SCL, .sda = GPIO_EC_I2C_WLC_SDA }, { .name = "eeprom", .port = I2C_PORT_EEPROM, .kbps = 400, .scl = GPIO_EC_I2C_EEPROM_SCL, .sda = GPIO_EC_I2C_EEPROM_SDA }, { .name = "sensor", .port = I2C_PORT_SENSOR, .kbps = 400, .scl = GPIO_EC_I2C_SENSOR_SCL, .sda = GPIO_EC_I2C_SENSOR_SDA }, }; const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); /* ADC channels */ const struct adc_t adc_channels[] = { /* Measure VBUS through a 1/10 voltage divider */ [ADC_VBUS] = { "VBUS", NPCX_ADC_CH1, ADC_MAX_VOLT * 10, ADC_READ_MAX + 1, 0 }, /* * Adapter current output or battery charging/discharging current (uV) * 18x amplification on charger side. */ [ADC_AMON_BMON] = { "AMON_BMON", NPCX_ADC_CH2, ADC_MAX_VOLT * 1000 / 18, ADC_READ_MAX + 1, 0 }, /* * ISL9238 PSYS output is 1.44 uA/W over 5.6K resistor, to read * 0.8V @ 99 W, i.e. 124000 uW/mV. Using ADC_MAX_VOLT*124000 and * ADC_READ_MAX+1 as multiplier/divider leads to overflows, so we * only divide by 2 (enough to avoid precision issues). */ [ADC_PSYS] = { "PSYS", NPCX_ADC_CH3, ADC_MAX_VOLT * 124000 * 2 / (ADC_READ_MAX + 1), 2, 0 }, /* Base detection */ [ADC_BASE_DET] = { "BASE_DET", NPCX_ADC_CH5, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0 }, }; BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); const struct pwm_t pwm_channels[] = { /* TODO(waihong): Assign a proper frequency. */ [PWM_CH_DISPLIGHT] = { .channel = 5, .flags = 0, .freq = 4800 }, }; BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); /* Power Path Controller */ struct ppc_config_t ppc_chips[] = { { .i2c_port = I2C_PORT_TCPC0, .i2c_addr_flags = SN5S330_ADDR0_FLAGS, .drv = &sn5s330_drv }, { .i2c_port = I2C_PORT_TCPC1, .i2c_addr_flags = SN5S330_ADDR0_FLAGS, .drv = &sn5s330_drv }, }; unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips); /* TCPC mux configuration */ const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { { .bus_type = EC_BUS_TYPE_I2C, .i2c_info = { .port = I2C_PORT_TCPC0, .addr_flags = PS8XXX_I2C_ADDR1_FLAGS, }, .drv = &ps8xxx_tcpm_drv, }, { .bus_type = EC_BUS_TYPE_I2C, .i2c_info = { .port = I2C_PORT_TCPC1, .addr_flags = PS8XXX_I2C_ADDR1_FLAGS, }, .drv = &ps8xxx_tcpm_drv, }, }; /* * Port-0/1 USB mux driver. * * The USB mux is handled by TCPC chip and the HPD update is through a GPIO * to AP. But the TCPC chip is also needed to know the HPD status; otherwise, * the mux misbehaves. */ const struct usb_mux_chain usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { { .mux = &(const struct usb_mux){ .usb_port = 0, .driver = &tcpci_tcpm_usb_mux_driver, .hpd_update = &ps8xxx_tcpc_update_hpd_status, }, }, { .mux = &(const struct usb_mux){ .usb_port = 1, .driver = &tcpci_tcpm_usb_mux_driver, .hpd_update = &ps8xxx_tcpc_update_hpd_status, }, } }; /* BC1.2 */ const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = { { .i2c_port = I2C_PORT_POWER, .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS, }, { .i2c_port = I2C_PORT_EEPROM, .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS, }, }; /* Mutexes */ static struct mutex g_lid_mutex; static struct bmi_drv_data_t g_bmi160_data; static struct bmi_drv_data_t g_bmi260_data; bool is_bmi260_present; /* Matrix to rotate accelerometer into standard reference frame */ const mat33_fp_t lid_standard_ref = { { 0, FLOAT_TO_FP(-1), 0 }, { FLOAT_TO_FP(1), 0, 0 }, { 0, 0, FLOAT_TO_FP(1) } }; 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_S3, .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_SENSOR, .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS, .rot_standard_ref = &lid_standard_ref, .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs */ .min_frequency = BMI_ACCEL_MIN_FREQ, .max_frequency = BMI_ACCEL_MAX_FREQ, .config = { [SENSOR_CONFIG_EC_S0] = { .odr = 10000 | ROUND_UP_FLAG, }, }, }, [LID_GYRO] = { .name = "Gyro", .active_mask = SENSOR_ACTIVE_S0_S3, .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_SENSOR, .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS, .default_range = 1000, /* dps */ .rot_standard_ref = &lid_standard_ref, .min_frequency = BMI_GYRO_MIN_FREQ, .max_frequency = BMI_GYRO_MAX_FREQ, }, }; struct motion_sensor_t motion_sensors_260[] = { /* * Note: bmi260: 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_S3, .chip = MOTIONSENSE_CHIP_BMI260, .type = MOTIONSENSE_TYPE_ACCEL, .location = MOTIONSENSE_LOC_LID, .drv = &bmi260_drv, .mutex = &g_lid_mutex, .drv_data = &g_bmi260_data, .port = I2C_PORT_SENSOR, .i2c_spi_addr_flags = BMI260_ADDR0_FLAGS, .rot_standard_ref = &lid_standard_ref, .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs */ .min_frequency = BMI_ACCEL_MIN_FREQ, .max_frequency = BMI_ACCEL_MAX_FREQ, .config = { [SENSOR_CONFIG_EC_S0] = { .odr = 10000 | ROUND_UP_FLAG, }, }, }, [LID_GYRO] = { .name = "Gyro", .active_mask = SENSOR_ACTIVE_S0_S3, .chip = MOTIONSENSE_CHIP_BMI260, .type = MOTIONSENSE_TYPE_GYRO, .location = MOTIONSENSE_LOC_LID, .drv = &bmi260_drv, .mutex = &g_lid_mutex, .drv_data = &g_bmi260_data, .port = I2C_PORT_SENSOR, .i2c_spi_addr_flags = BMI260_ADDR0_FLAGS, .default_range = 1000, /* dps */ .rot_standard_ref = &lid_standard_ref, .min_frequency = BMI_GYRO_MIN_FREQ, .max_frequency = BMI_GYRO_MAX_FREQ, }, }; const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); static void board_detect_motionsensor(void) { int val = -1; if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) return; /* Check base accelgyro chip */ bmi_read8(motion_sensors[LID_ACCEL].port, motion_sensors[LID_ACCEL].i2c_spi_addr_flags, BMI260_CHIP_ID, &val); if (val == BMI260_CHIP_ID_MAJOR) { motion_sensors[LID_ACCEL] = motion_sensors_260[LID_ACCEL]; motion_sensors[LID_GYRO] = motion_sensors_260[LID_GYRO]; is_bmi260_present = 1; } else { is_bmi260_present = 0; } } DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_detect_motionsensor, HOOK_PRIO_DEFAULT); DECLARE_HOOK(HOOK_INIT, board_detect_motionsensor, HOOK_PRIO_DEFAULT + 1); void motion_interrupt(enum gpio_signal signal) { if (is_bmi260_present) { bmi260_interrupt(signal); } else { bmi160_interrupt(signal); } } /* Initialize board. */ static void board_init(void) { /* * The rev-1 hardware doesn't have the external pull-up fix for the bug * b/177611071. It requires rework to stuff the resistor. For people who * has difficulty to do the rework, this is a workaround, which makes * the GPIO push-pull, instead of open-drain. */ if (system_get_board_version() == 1) gpio_set_flags(GPIO_HIBERNATE_L, GPIO_OUTPUT); /* Enable BC1.2 interrupts */ gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L); gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L); gpio_enable_interrupt(GPIO_ACCEL_GYRO_INT_L); /* * The H1 SBU line for CCD are behind PPC chip. The PPC internal FETs * for SBU may be disconnected after DP alt mode is off. Should enable * the CCD_MODE_ODL interrupt to make sure the SBU FETs are connected. */ gpio_enable_interrupt(GPIO_CCD_MODE_ODL); /* Set the backlight duty cycle to 0. AP will override it later. */ pwm_set_duty(PWM_CH_DISPLIGHT, 0); } DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); __overridable uint16_t board_get_ps8xxx_product_id(int port) { /* Coachz board rev 2+ changes TCPC from 8805 to 8755*/ if (system_get_board_version() < 2) return PS8805_PRODUCT_ID; return PS8755_PRODUCT_ID; } void board_tcpc_init(void) { /* Only reset TCPC if not sysjump */ if (!system_jumped_late()) { /* TODO(crosbug.com/p/61098): How long do we need to wait? */ board_reset_pd_mcu(); } /* Enable PPC interrupts */ gpio_enable_interrupt(GPIO_USB_C0_SWCTL_INT_ODL); /* Enable TCPC interrupts */ gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); 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 (int port = 0; port < CONFIG_USB_PD_PORT_MAX_COUNT; ++port) usb_mux_hpd_update(port, USB_PD_MUX_HPD_LVL_DEASSERTED | USB_PD_MUX_HPD_IRQ_DEASSERTED); } DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C + 1); void board_hibernate(void) { int i; /* * Sensors are unpowered in hibernate. Apply PD to the * interrupt lines such that they don't float. */ gpio_set_flags(GPIO_ACCEL_GYRO_INT_L, GPIO_INPUT | GPIO_PULL_DOWN); /* * Board rev 1+ has the hardware fix. Don't need the following * workaround. */ if (system_get_board_version() >= 1) return; /* * Enable the PPC power sink path before EC enters hibernate; * otherwise, ACOK won't go High and can't wake EC up. Check the * bug b/170324206 for details. */ for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) ppc_vbus_sink_enable(i, 1); } /* Called on AP S0 -> S3 transition */ static void board_chipset_suspend(void) { /* * Turn off display backlight in S3. AP has its own control. The EC's * and the AP's will be AND'ed together in hardware. */ gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0); pwm_enable(PWM_CH_DISPLIGHT, 0); } DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); /* Called on AP S3 -> S0 transition */ static void board_chipset_resume(void) { /* Turn on display and keyboard backlight in S0. */ gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1); if (pwm_get_duty(PWM_CH_DISPLIGHT)) pwm_enable(PWM_CH_DISPLIGHT, 1); } DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); void board_set_switchcap_power(int enable) { gpio_set_level(GPIO_SWITCHCAP_ON, enable); } int board_is_switchcap_enabled(void) { return gpio_get_level(GPIO_SWITCHCAP_ON); } int board_is_switchcap_power_good(void) { return gpio_get_level(GPIO_DA9313_GPIO0); } void board_reset_pd_mcu(void) { cprints(CC_USB, "Resetting TCPCs..."); cflush(); gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); gpio_set_level(GPIO_USB_C1_PD_RST_L, 0); msleep(PS8XXX_RESET_DELAY_MS); gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); gpio_set_level(GPIO_USB_C1_PD_RST_L, 1); } void board_set_tcpc_power_mode(int port, int mode) { /* Ignore the "mode" to turn the chip on. We can only do a reset. */ if (mode) return; board_reset_pd_mcu(); } int board_vbus_sink_enable(int port, int enable) { /* Both ports are controlled by PPC SN5S330 */ return ppc_vbus_sink_enable(port, enable); } int board_is_sourcing_vbus(int port) { /* Both ports are controlled by PPC SN5S330 */ return ppc_is_sourcing_vbus(port); } void board_overcurrent_event(int port, int is_overcurrented) { /* TODO(b/120231371): Notify AP */ CPRINTS("p%d: overcurrent!", port); } int board_set_active_charge_port(int port) { int is_real_port = (port >= 0 && port < CONFIG_USB_PD_PORT_MAX_COUNT); int i; if (!is_real_port && port != CHARGE_PORT_NONE) return EC_ERROR_INVAL; if (port == CHARGE_PORT_NONE) { CPRINTS("Disabling all charging port"); /* Disable all ports. */ for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) { /* * Do not return early if one fails otherwise we can * get into a boot loop assertion failure. */ if (board_vbus_sink_enable(i, 0)) CPRINTS("Disabling p%d sink path failed.", i); } return EC_SUCCESS; } /* Check if the port is sourcing VBUS. */ if (board_is_sourcing_vbus(port)) { CPRINTS("Skip enable p%d", port); return EC_ERROR_INVAL; } CPRINTS("New charge port: p%d", port); /* * Turn off the other ports' sink path FETs, before enabling the * requested charge port. */ for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) { if (i == port) continue; if (board_vbus_sink_enable(i, 0)) CPRINTS("p%d: sink path disable failed.", i); } /* Enable requested charge port. */ if (board_vbus_sink_enable(port, 1)) { CPRINTS("p%d: sink path enable failed.", port); return EC_ERROR_UNKNOWN; } return EC_SUCCESS; } void board_set_charge_limit(int port, int supplier, int charge_ma, int max_ma, int charge_mv) { /* * Ignore lower charge ceiling on PD transition if our battery is * critical, as we may brownout. */ if (supplier == CHARGE_SUPPLIER_PD && charge_ma < 1500 && charge_get_percent() < CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON) { CPRINTS("Using max ilim %d", max_ma); charge_ma = max_ma; } charge_ma = charge_ma * 95 / 100; charge_set_input_current_limit( MAX(charge_ma, CONFIG_CHARGER_INPUT_CURRENT), charge_mv); } 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; }