| /* Copyright 2016 The ChromiumOS Authors |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| /* Poppy board-specific configuration */ |
| |
| #include "adc.h" |
| #include "als.h" |
| #include "bd99992gw.h" |
| #include "board_config.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/accelgyro_bmi_common.h" |
| #include "driver/als_opt3001.h" |
| #include "driver/baro_bmp280.h" |
| #include "driver/charger/isl923x.h" |
| #include "driver/tcpm/anx74xx.h" |
| #include "driver/tcpm/ps8xxx.h" |
| #include "driver/tcpm/tcpci.h" |
| #include "driver/tcpm/tcpm.h" |
| #include "driver/temp_sensor/bd99992gw.h" |
| #include "espi.h" |
| #include "extpower.h" |
| #include "gpio.h" |
| #include "hooks.h" |
| #include "host_command.h" |
| #include "i2c.h" |
| #include "lid_switch.h" |
| #include "math_util.h" |
| #include "motion_lid.h" |
| #include "motion_sense.h" |
| #include "panic.h" |
| #include "pi3usb9281.h" |
| #include "power.h" |
| #include "power_button.h" |
| #include "spi.h" |
| #include "switch.h" |
| #include "system.h" |
| #include "tablet_mode.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) |
| |
| #define USB_PD_PORT_ANX74XX 0 |
| |
| 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_L)) |
| return; |
| else if ((signal == GPIO_USB_C1_PD_INT_ODL) && |
| !gpio_get_level(GPIO_USB_C1_PD_RST_L)) |
| return; |
| |
| #ifdef HAS_TASK_PDCMD |
| /* Exchange status with TCPCs */ |
| host_command_pd_send_status(PD_CHARGE_NO_CHANGE); |
| #endif |
| } |
| |
| /* Set PD discharge whenever VBUS detection is high (i.e. below threshold). */ |
| static void vbus_discharge_handler(void) |
| { |
| if (system_get_board_version() >= 2) { |
| pd_set_vbus_discharge(0, |
| gpio_get_level(GPIO_USB_C0_VBUS_WAKE_L)); |
| pd_set_vbus_discharge(1, |
| gpio_get_level(GPIO_USB_C1_VBUS_WAKE_L)); |
| } |
| } |
| DECLARE_DEFERRED(vbus_discharge_handler); |
| |
| 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); |
| |
| hook_call_deferred(&vbus_discharge_handler_data, 0); |
| } |
| |
| 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); |
| |
| hook_call_deferred(&vbus_discharge_handler_data, 0); |
| } |
| |
| void usb0_evt(enum gpio_signal signal) |
| { |
| usb_charger_task_set_event(0, USB_CHG_EVENT_BC12); |
| } |
| |
| void usb1_evt(enum gpio_signal signal) |
| { |
| usb_charger_task_set_event(1, USB_CHG_EVENT_BC12); |
| } |
| |
| #ifdef CONFIG_USB_PD_TCPC_LOW_POWER |
| static void anx74xx_cable_det_handler(void) |
| { |
| int cable_det = gpio_get_level(GPIO_USB_C0_CABLE_DET); |
| int reset_n = gpio_get_level(GPIO_USB_C0_PD_RST_L); |
| |
| /* |
| * A cable_det low->high transition was detected. If following the |
| * debounce time, cable_det is high, and reset_n is low, then ANX3429 is |
| * currently in standby mode and needs to be woken up. Set the |
| * TCPC_RESET event which will bring the ANX3429 out of standby |
| * mode. Setting this event is gated on reset_n being low because the |
| * ANX3429 will always set cable_det when transitioning to normal mode |
| * and if in normal mode, then there is no need to trigger a tcpc reset. |
| */ |
| if (cable_det && !reset_n) |
| task_set_event(TASK_ID_PD_C0, PD_EVENT_TCPC_RESET); |
| } |
| DECLARE_DEFERRED(anx74xx_cable_det_handler); |
| |
| void anx74xx_cable_det_interrupt(enum gpio_signal signal) |
| { |
| /* debounce for 2 msec */ |
| hook_call_deferred(&anx74xx_cable_det_handler_data, (2 * MSEC)); |
| } |
| #endif |
| |
| /* Must come after other header files and interrupt handler declarations */ |
| #include "gpio_list.h" |
| |
| /* Hibernate wake configuration */ |
| const enum gpio_signal hibernate_wake_pins[] = { |
| GPIO_AC_PRESENT, |
| GPIO_POWER_BUTTON_L, |
| }; |
| const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); |
| |
| /* ADC channels */ |
| const struct adc_t adc_channels[] = { |
| /* Base detection */ |
| [ADC_BASE_DET] = { "BASE_DET", NPCX_ADC_CH0, ADC_MAX_VOLT, |
| ADC_READ_MAX + 1, 0 }, |
| /* Vbus sensing (10x voltage divider). */ |
| [ADC_VBUS] = { "VBUS", NPCX_ADC_CH2, 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_CH1, ADC_MAX_VOLT * 1000 / 18, |
| ADC_READ_MAX + 1, 0 }, |
| #ifdef BOARD_LUX |
| /* |
| * ISL9238 PSYS output is 1.44 uA/W over 12.4K resistor, to read |
| * 0.8V @ 45 W, i.e. 56250 uW/mV. Using ADC_MAX_VOLT*56250 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 * 56250 * 2 / (ADC_READ_MAX + 1), 2, 0 }, |
| #endif |
| }; |
| BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); |
| |
| /* I2C port map */ |
| const struct i2c_port_t i2c_ports[] = { |
| { .name = "tcpc", |
| .port = NPCX_I2C_PORT0_0, |
| .kbps = 400, |
| .scl = GPIO_I2C0_0_SCL, |
| .sda = GPIO_I2C0_0_SDA }, |
| { .name = "als", |
| .port = NPCX_I2C_PORT0_1, |
| .kbps = 400, |
| .scl = GPIO_I2C0_1_SCL, |
| .sda = GPIO_I2C0_1_SDA }, |
| { .name = "charger", |
| .port = NPCX_I2C_PORT1, |
| .kbps = 100, |
| .scl = GPIO_I2C1_SCL, |
| .sda = GPIO_I2C1_SDA }, |
| { .name = "pmic", |
| .port = NPCX_I2C_PORT2, |
| .kbps = 400, |
| .scl = GPIO_I2C2_SCL, |
| .sda = GPIO_I2C2_SDA }, |
| { .name = "accelgyro", |
| .port = NPCX_I2C_PORT3, |
| .kbps = 400, |
| .scl = GPIO_I2C3_SCL, |
| .sda = GPIO_I2C3_SDA }, |
| }; |
| const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); |
| |
| /* 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 = NPCX_I2C_PORT0_0, |
| .addr_flags = ANX74XX_I2C_ADDR1_FLAGS, |
| }, |
| .drv = &anx74xx_tcpm_drv, |
| }, |
| { |
| .bus_type = EC_BUS_TYPE_I2C, |
| .i2c_info = { |
| .port = NPCX_I2C_PORT0_0, |
| .addr_flags = PS8XXX_I2C_ADDR1_FLAGS, |
| }, |
| .drv = &ps8xxx_tcpm_drv, |
| }, |
| }; |
| |
| const struct usb_mux_chain usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { |
| { |
| .mux = |
| &(const struct usb_mux){ |
| .usb_port = 0, |
| .driver = &anx74xx_tcpm_usb_mux_driver, |
| .hpd_update = &anx74xx_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, |
| }, |
| } |
| }; |
| |
| struct pi3usb9281_config pi3usb9281_chips[] = { |
| { |
| .i2c_port = I2C_PORT_USB_CHARGER_0, |
| .mux_lock = NULL, |
| }, |
| { |
| .i2c_port = I2C_PORT_USB_CHARGER_1, |
| .mux_lock = NULL, |
| }, |
| }; |
| BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) == |
| CONFIG_BC12_DETECT_PI3USB9281_CHIP_COUNT); |
| |
| const struct charger_config_t chg_chips[] = { |
| { |
| .i2c_port = I2C_PORT_CHARGER, |
| .i2c_addr_flags = ISL923X_ADDR_FLAGS, |
| .drv = &isl923x_drv, |
| }, |
| }; |
| |
| /** |
| * Power on (or off) a single TCPC. |
| * minimum on/off delays are included. |
| * |
| * @param port Port number of TCPC. |
| * @param mode 0: power off, 1: power on. |
| */ |
| void board_set_tcpc_power_mode(int port, int mode) |
| { |
| if (port != USB_PD_PORT_ANX74XX) |
| return; |
| |
| if (mode) { |
| gpio_set_level(GPIO_USB_C0_TCPC_PWR, 1); |
| msleep(ANX74XX_PWR_H_RST_H_DELAY_MS); |
| gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); |
| } else { |
| gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); |
| msleep(ANX74XX_RST_L_PWR_L_DELAY_MS); |
| gpio_set_level(GPIO_USB_C0_TCPC_PWR, 0); |
| msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS); |
| } |
| } |
| |
| void board_reset_pd_mcu(void) |
| { |
| /* Assert reset */ |
| gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); |
| gpio_set_level(GPIO_USB_C1_PD_RST_L, 0); |
| |
| msleep(MAX(1, ANX74XX_RST_L_PWR_L_DELAY_MS)); |
| gpio_set_level(GPIO_USB_C1_PD_RST_L, 1); |
| /* Disable TCPC0 (anx3429) power */ |
| gpio_set_level(GPIO_USB_C0_TCPC_PWR, 0); |
| |
| msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS); |
| board_set_tcpc_power_mode(USB_PD_PORT_ANX74XX, 1); |
| } |
| |
| void board_tcpc_init(void) |
| { |
| int reg; |
| |
| /* Only reset TCPC if not sysjump */ |
| if (!system_jumped_late()) { |
| gpio_set_level(GPIO_PP3300_USB_PD, 1); |
| /* TODO(crosbug.com/p/61098): How long do we need to wait? */ |
| msleep(10); |
| board_reset_pd_mcu(); |
| } |
| |
| /* |
| * TODO: Remove when Poppy is updated with PS8751 A3. |
| * |
| * Force PS8751 A2 to wake from low power mode. |
| * If PS8751 remains in low power mode after sysjump, |
| * TCPM_INIT will fail due to not able to access PS8751. |
| * |
| * NOTE: PS8751 A3 will wake on any I2C access. |
| */ |
| i2c_read8(NPCX_I2C_PORT0_1, 0x08, 0xA0, ®); |
| |
| /* Enable TCPC interrupts */ |
| gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); |
| gpio_enable_interrupt(GPIO_USB_C1_PD_INT_ODL); |
| |
| #ifdef CONFIG_USB_PD_TCPC_LOW_POWER |
| /* Enable CABLE_DET interrupt for ANX3429 wake from standby */ |
| gpio_enable_interrupt(GPIO_USB_C0_CABLE_DET); |
| #endif |
| |
| /* |
| * 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); |
| |
| 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; |
| } |
| |
| const struct temp_sensor_t temp_sensors[] = { |
| { "Battery", TEMP_SENSOR_TYPE_BATTERY, charge_get_battery_temp, 0 }, |
| |
| /* These BD99992GW temp sensors are only readable in S0 */ |
| { "Ambient", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, |
| BD99992GW_ADC_CHANNEL_SYSTHERM0 }, |
| { "Charger", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, |
| BD99992GW_ADC_CHANNEL_SYSTHERM1 }, |
| { "DRAM", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, |
| BD99992GW_ADC_CHANNEL_SYSTHERM2 }, |
| { "eMMC", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, |
| BD99992GW_ADC_CHANNEL_SYSTHERM3 }, |
| }; |
| BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); |
| |
| /* |
| * Check if PMIC fault registers indicate VR fault. If yes, print out fault |
| * register info to console. Additionally, set panic reason so that the OS can |
| * check for fault register info by looking at offset 0x14(PWRSTAT1) and |
| * 0x15(PWRSTAT2) in cros ec panicinfo. |
| */ |
| static void board_report_pmic_fault(const char *str) |
| { |
| int vrfault, pwrstat1 = 0, pwrstat2 = 0; |
| uint32_t info; |
| |
| /* RESETIRQ1 -- Bit 4: VRFAULT */ |
| if (i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x8, &vrfault) != |
| EC_SUCCESS) |
| return; |
| |
| if (!(vrfault & BIT(4))) |
| return; |
| |
| /* VRFAULT has occurred, print VRFAULT status bits. */ |
| |
| /* PWRSTAT1 */ |
| i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x16, &pwrstat1); |
| |
| /* PWRSTAT2 */ |
| i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x17, &pwrstat2); |
| |
| CPRINTS("PMIC VRFAULT: %s", str); |
| CPRINTS("PMIC VRFAULT: PWRSTAT1=0x%02x PWRSTAT2=0x%02x", pwrstat1, |
| pwrstat2); |
| |
| /* Clear all faults -- Write 1 to clear. */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x8, BIT(4)); |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x16, pwrstat1); |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x17, pwrstat2); |
| |
| /* |
| * Status of the fault registers can be checked in the OS by looking at |
| * offset 0x14(PWRSTAT1) and 0x15(PWRSTAT2) in cros ec panicinfo. |
| */ |
| info = ((pwrstat2 & 0xFF) << 8) | (pwrstat1 & 0xFF); |
| panic_set_reason(PANIC_SW_PMIC_FAULT, info, 0); |
| } |
| |
| static void board_pmic_disable_slp_s0_vr_decay(void) |
| { |
| /* |
| * VCCIOCNT: |
| * Bit 6 (0) - Disable decay of VCCIO on SLP_S0# assertion |
| * Bits 5:4 (00) - Nominal output voltage: 0.850V |
| * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion |
| * Bits 1:0 (10) - VR set to AUTO operating mode |
| */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x30, 0x3a); |
| |
| /* |
| * V18ACNT: |
| * Bits 7:6 (00) - Disable low power mode on SLP_S0# assertion |
| * Bits 5:4 (10) - Nominal voltage set to 1.8V |
| * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion |
| * Bits 1:0 (10) - VR set to AUTO operating mode |
| */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x34, 0x2a); |
| |
| /* |
| * V100ACNT: |
| * Bits 7:6 (00) - Disable low power mode on SLP_S0# assertion |
| * Bits 5:4 (01) - Nominal voltage 1.0V |
| * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion |
| * Bits 1:0 (10) - VR set to AUTO operating mode |
| */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x37, 0x1a); |
| |
| /* |
| * V085ACNT: |
| * Bits 7:6 (00) - Disable low power mode on SLP_S0# assertion |
| * Bits 5:4 (11) - Nominal voltage 1.0V |
| * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion |
| * Bits 1:0 (10) - VR set to AUTO operating mode |
| */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x38, 0x3a); |
| } |
| |
| static void board_pmic_enable_slp_s0_vr_decay(void) |
| { |
| /* |
| * VCCIOCNT: |
| * Bit 6 (1) - Enable decay of VCCIO on SLP_S0# assertion |
| * Bits 5:4 (00) - Nominal output voltage: 0.850V |
| * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion |
| * Bits 1:0 (10) - VR set to AUTO operating mode |
| */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x30, 0x7a); |
| |
| /* |
| * V18ACNT: |
| * Bits 7:6 (01) - Enable low power mode on SLP_S0# assertion |
| * Bits 5:4 (10) - Nominal voltage set to 1.8V |
| * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion |
| * Bits 1:0 (10) - VR set to AUTO operating mode |
| */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x34, 0x6a); |
| |
| /* |
| * V100ACNT: |
| * Bits 7:6 (01) - Enable low power mode on SLP_S0# assertion |
| * Bits 5:4 (01) - Nominal voltage 1.0V |
| * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion |
| * Bits 1:0 (10) - VR set to AUTO operating mode |
| */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x37, 0x5a); |
| |
| /* |
| * V085ACNT: |
| * Bits 7:6 (01) - Enable low power mode on SLP_S0# assertion |
| * Bits 5:4 (11) - Nominal voltage 1.0V |
| * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion |
| * Bits 1:0 (10) - VR set to AUTO operating mode |
| */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x38, 0x7a); |
| } |
| |
| __override void power_board_handle_host_sleep_event(enum host_sleep_event state) |
| { |
| if (state == HOST_SLEEP_EVENT_S0IX_SUSPEND) |
| board_pmic_enable_slp_s0_vr_decay(); |
| else if (state == HOST_SLEEP_EVENT_S0IX_RESUME) |
| board_pmic_disable_slp_s0_vr_decay(); |
| } |
| |
| static void board_pmic_init(void) |
| { |
| board_report_pmic_fault("SYSJUMP"); |
| |
| if (system_jumped_late()) |
| return; |
| |
| /* DISCHGCNT3 - enable 100 ohm discharge on V1.00A */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3e, 0x04); |
| |
| board_pmic_disable_slp_s0_vr_decay(); |
| |
| /* VRMODECTRL - disable low-power mode for all rails */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3b, 0x1f); |
| |
| /* Disable power button shutdown timer. */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x14, 0x00); |
| } |
| DECLARE_DEFERRED(board_pmic_init); |
| |
| /* Initialize board. */ |
| static void board_init(void) |
| { |
| /* |
| * This enables pull-down on F_DIO1 (SPI MISO), and F_DIO0 (SPI MOSI), |
| * whenever the EC is not doing SPI flash transactions. This avoids |
| * floating SPI buffer input (MISO), which causes power leakage (see |
| * b/64797021). |
| */ |
| NPCX_PUPD_EN1 |= BIT(NPCX_DEVPU1_F_SPI_PUD_EN); |
| |
| /* Provide AC status to the PCH */ |
| gpio_set_level(GPIO_PCH_ACOK, extpower_is_present()); |
| |
| /* Enable sensors power supply */ |
| gpio_set_level(GPIO_PP1800_DX_SENSOR, 1); |
| gpio_set_level(GPIO_PP3300_DX_SENSOR, 1); |
| |
| /* Enable VBUS interrupt */ |
| if (system_get_board_version() == 0) { |
| /* |
| * crosbug.com/p/61929: rev0 does not have VBUS detection, |
| * force detection on both ports. |
| */ |
| gpio_set_flags(GPIO_USB_C0_VBUS_WAKE_L, |
| GPIO_INPUT | GPIO_PULL_DOWN); |
| gpio_set_flags(GPIO_USB_C1_VBUS_WAKE_L, |
| GPIO_INPUT | GPIO_PULL_DOWN); |
| |
| vbus0_evt(GPIO_USB_C0_VBUS_WAKE_L); |
| vbus1_evt(GPIO_USB_C1_VBUS_WAKE_L); |
| } else { |
| 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); |
| |
| /* |
| * Set unused GPIO_LED_YELLO_C0[_OLD] as INPUT | PULL_UP |
| * for better S0ix/S3 power |
| */ |
| if (system_get_board_version() >= 5) |
| gpio_set_flags(GPIO_LED_YELLOW_C0_OLD, |
| GPIO_INPUT | GPIO_PULL_UP); |
| else |
| gpio_set_flags(GPIO_LED_YELLOW_C0, GPIO_INPUT | GPIO_PULL_UP); |
| |
| #ifdef BOARD_SORAKA |
| /* |
| * TODO(b/64503543): Add proper options(#ifdef ) for Non-LTE SKU |
| * Set unused LTE related pins as INPUT | PULL_UP |
| * for better S0ix/S3 power |
| */ |
| if (system_get_board_version() >= 4) { |
| gpio_set_flags(GPIO_WLAN_PE_RST, GPIO_INPUT | GPIO_PULL_UP); |
| gpio_set_flags(GPIO_PP3300_DX_LTE, GPIO_INPUT | GPIO_PULL_UP); |
| gpio_set_flags(GPIO_LTE_GPS_OFF_L, GPIO_INPUT | GPIO_PULL_UP); |
| gpio_set_flags(GPIO_LTE_BODY_SAR_L, GPIO_INPUT | GPIO_PULL_UP); |
| gpio_set_flags(GPIO_LTE_WAKE_L, GPIO_INPUT | GPIO_PULL_UP); |
| gpio_set_flags(GPIO_LTE_OFF_ODL, GPIO_INPUT | GPIO_PULL_UP); |
| } |
| #endif |
| |
| #ifndef BOARD_LUX |
| /* |
| * see (b/111215677): setting the internal PU/PD of the unused pin |
| * GPIO10 affects the ball K10 when it is selected to CR_SIN. |
| * Disabing the WKINEN bit of GPIO10 insteading setting its PU/PD to |
| * bypass this issue. |
| */ |
| NPCX_WKINEN(MIWU_TABLE_1, MIWU_GROUP_2) &= 0xFE; |
| #endif |
| |
| /* Enable Gyro interrupts */ |
| gpio_enable_interrupt(GPIO_ACCELGYRO3_INT_L); |
| |
| /* Initialize PMIC */ |
| hook_call_deferred(&board_pmic_init_data, 0); |
| } |
| 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 physical port */ |
| int is_real_port = (charge_port >= 0 && |
| charge_port < CONFIG_USB_PD_PORT_MAX_COUNT); |
| /* check if we are source VBUS on the port */ |
| int source = gpio_get_level(charge_port == 0 ? GPIO_USB_C0_5V_EN : |
| GPIO_USB_C1_5V_EN); |
| |
| if (is_real_port && source) { |
| CPRINTF("Skip enable p%d", charge_port); |
| return EC_ERROR_INVAL; |
| } |
| |
| CPRINTF("New chg p%d", charge_port); |
| |
| if (charge_port == CHARGE_PORT_NONE) { |
| /* Disable both ports */ |
| gpio_set_level(GPIO_USB_C0_CHARGE_L, 1); |
| gpio_set_level(GPIO_USB_C1_CHARGE_L, 1); |
| } else { |
| #ifdef BOARD_LUX |
| /* Disable cross-power with base, charger task will reenable. */ |
| board_enable_base_power(0); |
| #endif |
| /* Make sure non-charging port is disabled */ |
| gpio_set_level(charge_port ? GPIO_USB_C0_CHARGE_L : |
| GPIO_USB_C1_CHARGE_L, |
| 1); |
| /* Enable charging port */ |
| gpio_set_level(charge_port ? GPIO_USB_C1_CHARGE_L : |
| GPIO_USB_C0_CHARGE_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). |
| * @param charge_mv Negotiated charge voltage (mV). |
| */ |
| __override void board_set_charge_limit(int port, int supplier, int charge_ma, |
| int max_ma, int charge_mv) |
| { |
| /* Adjust ILIM according to measurements to eliminate overshoot. */ |
| charge_ma = (charge_ma - 500) * 31 / 32 + 472; |
| /* 5V is significantly more accurate than other voltages. */ |
| if (charge_mv > 5000) |
| charge_ma -= 52; |
| |
| charge_set_input_current_limit(charge_ma, charge_mv); |
| } |
| |
| void board_hibernate(void) |
| { |
| CPRINTS("Triggering PMIC shutdown."); |
| uart_flush_output(); |
| |
| /* Trigger PMIC shutdown. */ |
| if (i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x49, 0x01)) { |
| /* |
| * If we can't tell the PMIC to shutdown, instead reset |
| * and don't start the AP. Hopefully we'll be able to |
| * communicate with the PMIC next time. |
| */ |
| CPRINTS("PMIC i2c failed."); |
| system_reset(SYSTEM_RESET_LEAVE_AP_OFF); |
| } |
| |
| /* Await shutdown. */ |
| while (1) |
| ; |
| } |
| |
| int board_get_version(void) |
| { |
| static int ver = -1; |
| uint8_t id4; |
| |
| if (ver != -1) |
| return ver; |
| |
| ver = 0; |
| |
| /* First 3 strappings are binary. */ |
| if (gpio_get_level(GPIO_BOARD_VERSION1)) |
| ver |= 0x01; |
| if (gpio_get_level(GPIO_BOARD_VERSION2)) |
| ver |= 0x02; |
| if (gpio_get_level(GPIO_BOARD_VERSION3)) |
| ver |= 0x04; |
| |
| /* |
| * 4th bit is using tristate strapping, ternary encoding: |
| * Hi-Z (id4=2) => 0, (id4=0) => 1, (id4=1) => 2 |
| */ |
| id4 = gpio_get_ternary(GPIO_BOARD_VERSION4); |
| ver |= ((id4 + 1) % 3) * 0x08; |
| |
| CPRINTS("Board ID = %d", ver); |
| |
| return ver; |
| } |
| |
| /* Lid Sensor mutex */ |
| static struct mutex g_lid_mutex; |
| |
| static struct bmi_drv_data_t g_bmi160_data; |
| static struct opt3001_drv_data_t g_opt3001_data = { |
| .scale = 1, |
| .uscale = 0, |
| .offset = 0, |
| }; |
| |
| /* Matrix to rotate accelrator into standard reference frame */ |
| const mat33_fp_t mag_standard_ref = { { FLOAT_TO_FP(-1), 0, 0 }, |
| { 0, FLOAT_TO_FP(1), 0 }, |
| { 0, 0, FLOAT_TO_FP(-1) } }; |
| |
| #ifdef BOARD_SORAKA |
| 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) } }; |
| |
| /* For rev3 and older */ |
| const mat33_fp_t lid_standard_ref_old = { { FLOAT_TO_FP(-1), 0, 0 }, |
| { 0, FLOAT_TO_FP(-1), 0 }, |
| { 0, 0, FLOAT_TO_FP(1) } }; |
| #else |
| const mat33_fp_t lid_standard_ref = { { FLOAT_TO_FP(-1), 0, 0 }, |
| { 0, FLOAT_TO_FP(-1), 0 }, |
| { 0, 0, FLOAT_TO_FP(1) } }; |
| #endif |
| |
| struct motion_sensor_t motion_sensors[] = { |
| [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_GYRO, |
| .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 = { |
| /* EC use accel for angle detection */ |
| [SENSOR_CONFIG_EC_S0] = { |
| .odr = 10000 | ROUND_UP_FLAG, |
| .ec_rate = 100 * MSEC, |
| }, |
| }, |
| }, |
| |
| [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_GYRO, |
| .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, |
| }, |
| |
| [LID_MAG] = { |
| .name = "Lid Mag", |
| .active_mask = SENSOR_ACTIVE_S0, |
| .chip = MOTIONSENSE_CHIP_BMI160, |
| .type = MOTIONSENSE_TYPE_MAG, |
| .location = MOTIONSENSE_LOC_LID, |
| .drv = &bmi160_drv, |
| .mutex = &g_lid_mutex, |
| .drv_data = &g_bmi160_data, |
| .port = I2C_PORT_GYRO, |
| .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS, |
| .default_range = BIT(11), /* 16LSB / uT, fixed */ |
| .rot_standard_ref = &mag_standard_ref, |
| .min_frequency = BMM150_MAG_MIN_FREQ, |
| /* TODO(b/253292373): Remove when clang is fixed. */ |
| DISABLE_CLANG_WARNING("-Wshift-count-negative") |
| .max_frequency = BMM150_MAG_MAX_FREQ(SPECIAL), |
| ENABLE_CLANG_WARNING("-Wshift-count-negative") |
| }, |
| [LID_ALS] = { |
| .name = "Light", |
| .active_mask = SENSOR_ACTIVE_S0, |
| .chip = MOTIONSENSE_CHIP_OPT3001, |
| .type = MOTIONSENSE_TYPE_LIGHT, |
| .location = MOTIONSENSE_LOC_LID, |
| .drv = &opt3001_drv, |
| .drv_data = &g_opt3001_data, |
| .port = I2C_PORT_ALS, |
| .i2c_spi_addr_flags = OPT3001_I2C_ADDR_FLAGS, |
| .rot_standard_ref = NULL, |
| .default_range = 0x10000, /* scale = 1; uscale = 0 */ |
| .min_frequency = OPT3001_LIGHT_MIN_FREQ, |
| .max_frequency = OPT3001_LIGHT_MAX_FREQ, |
| .config = { |
| [SENSOR_CONFIG_EC_S0] = { |
| .odr = 1000, |
| }, |
| }, |
| }, |
| }; |
| const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); |
| |
| /* ALS instances when LPC mapping is needed. Each entry directs to a sensor. */ |
| const struct motion_sensor_t *motion_als_sensors[] = { |
| &motion_sensors[LID_ALS], |
| }; |
| BUILD_ASSERT(ARRAY_SIZE(motion_als_sensors) == ALS_COUNT); |
| |
| #ifdef BOARD_SORAKA |
| static void board_sensor_init(void) |
| { |
| /* Old soraka use a different reference matrix */ |
| if (system_get_board_version() <= 3) { |
| motion_sensors[LID_ACCEL].rot_standard_ref = |
| &lid_standard_ref_old; |
| motion_sensors[LID_GYRO].rot_standard_ref = |
| &lid_standard_ref_old; |
| } |
| } |
| DECLARE_HOOK(HOOK_INIT, board_sensor_init, HOOK_PRIO_DEFAULT); |
| #endif |
| |
| static void board_chipset_reset(void) |
| { |
| board_report_pmic_fault("CHIPSET RESET"); |
| } |
| DECLARE_HOOK(HOOK_CHIPSET_RESET, board_chipset_reset, HOOK_PRIO_DEFAULT); |
| |
| /* Called on AP S3 -> S0 transition */ |
| static void board_chipset_resume(void) |
| { |
| gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1); |
| } |
| DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); |
| |
| /* Called on AP S0 -> S3 transition */ |
| static void board_chipset_suspend(void) |
| { |
| gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0); |
| } |
| DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); |
| |
| int board_has_working_reset_flags(void) |
| { |
| int version = system_get_board_version(); |
| |
| /* Boards Rev1 and Rev2 will lose reset flags on power cycle. */ |
| if ((version == 1) || (version == 2)) |
| return 0; |
| |
| /* All other board versions should have working reset flags */ |
| return 1; |
| } |