| /* Copyright 2018 The ChromiumOS Authors |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| /* Rammus board-specific configuration */ |
| |
| #include "adc.h" |
| #include "anx7447.h" |
| #include "bd99992gw.h" |
| #include "board_config.h" |
| #include "button.h" |
| #include "cbi_ssfc.h" |
| #include "charge_manager.h" |
| #include "charge_ramp.h" |
| #include "charge_state.h" |
| #include "charger.h" |
| #include "chipset.h" |
| #include "console.h" |
| #include "cros_board_info.h" |
| #include "driver/accel_bma2x2.h" |
| #include "driver/accel_kionix.h" |
| #include "driver/accel_kx022.h" |
| #include "driver/accelgyro_bmi_common.h" |
| #include "driver/accelgyro_icm426xx.h" |
| #include "driver/accelgyro_icm_common.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/bd99992gw.h" |
| #include "espi.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_lid.h" |
| #include "motion_sense.h" |
| #include "panic.h" |
| #include "pi3usb9281.h" |
| #include "power.h" |
| #include "power_button.h" |
| #include "pwm.h" |
| #include "pwm_chip.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_SYSTEM, format, ##args) |
| #define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ##args) |
| |
| #define USB_PD_PORT_PS8751 1 |
| #define USB_PD_PORT_ANX7447 0 |
| |
| 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); |
| } |
| |
| /* Set PD discharge whenever VBUS detection is high (i.e. below threshold). */ |
| static void vbus_discharge_handler(void) |
| { |
| pd_set_vbus_discharge(0, gpio_get_level(GPIO_USB_C0_VBUS_DET_L)); |
| pd_set_vbus_discharge(1, gpio_get_level(GPIO_USB_C1_VBUS_DET_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); |
| } |
| |
| /* 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_LID_OPEN, |
| GPIO_POWER_BUTTON_L, |
| }; |
| const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); |
| |
| /* ADC channels */ |
| const struct adc_t adc_channels[] = { |
| /* 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 }, |
| }; |
| BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); |
| |
| /* I2C port map */ |
| const struct i2c_port_t i2c_ports[] = { |
| { .name = "i2c_0_0", |
| .port = NPCX_I2C_PORT0_0, |
| .kbps = 400, |
| .scl = GPIO_I2C0_0_SCL, |
| .sda = GPIO_I2C0_0_SDA }, |
| { .name = "i2c_0_1", |
| .port = NPCX_I2C_PORT0_1, |
| .kbps = 400, |
| .scl = GPIO_I2C0_1_SCL, |
| .sda = GPIO_I2C0_1_SDA }, |
| { .name = "i2c_1", |
| .port = NPCX_I2C_PORT1, |
| .kbps = 100, |
| .scl = GPIO_I2C1_SCL, |
| .sda = GPIO_I2C1_SDA }, |
| { .name = "i2c_2", |
| .port = NPCX_I2C_PORT2, |
| .kbps = 400, |
| .scl = GPIO_I2C2_SCL, |
| .sda = GPIO_I2C2_SDA }, |
| { .name = "i2c_3", |
| .port = NPCX_I2C_PORT3, |
| .kbps = 400, |
| .scl = GPIO_I2C3_SCL, |
| .sda = GPIO_I2C3_SDA }, |
| }; |
| const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); |
| |
| /* Charger Chips */ |
| const struct charger_config_t chg_chips[] = { |
| { |
| .i2c_port = I2C_PORT_CHARGER, |
| .i2c_addr_flags = ISL923X_ADDR_FLAGS, |
| .drv = &isl923x_drv, |
| }, |
| }; |
| |
| /* TCPC mux configuration */ |
| struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { |
| [USB_PD_PORT_PS8751] = { |
| .bus_type = EC_BUS_TYPE_I2C, |
| .i2c_info = { |
| .port = I2C_PORT_TCPC1, |
| .addr_flags = PS8XXX_I2C_ADDR1_FLAGS, |
| }, |
| .drv = &ps8xxx_tcpm_drv, |
| }, |
| [USB_PD_PORT_ANX7447] = { |
| .bus_type = EC_BUS_TYPE_I2C, |
| .i2c_info = { |
| .port = I2C_PORT_TCPC0, |
| /* Verified on v1.1 */ |
| .addr_flags = AN7447_TCPC3_I2C_ADDR_FLAGS, |
| }, |
| .drv = &anx7447_tcpm_drv, |
| }, |
| }; |
| |
| const struct usb_mux_chain usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { |
| [USB_PD_PORT_PS8751] = { |
| .mux = &(const struct usb_mux) { |
| .usb_port = USB_PD_PORT_PS8751, |
| .driver = &tcpci_tcpm_usb_mux_driver, |
| .hpd_update = &ps8xxx_tcpc_update_hpd_status, |
| }, |
| }, |
| [USB_PD_PORT_ANX7447] = { |
| .mux = &(const struct usb_mux) { |
| .usb_port = USB_PD_PORT_ANX7447, |
| .driver = &anx7447_usb_mux_driver, |
| .hpd_update = &anx7447_tcpc_update_hpd_status, |
| }, |
| } |
| }; |
| |
| struct pi3usb9281_config pi3usb9281_chips[] = { |
| [USB_PD_PORT_PS8751] = { |
| .i2c_port = I2C_PORT_USB_CHARGER_1, |
| .mux_lock = NULL, |
| }, |
| [USB_PD_PORT_ANX7447] = { |
| .i2c_port = I2C_PORT_USB_CHARGER_0, |
| .mux_lock = NULL, |
| }, |
| }; |
| BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) == |
| CONFIG_BC12_DETECT_PI3USB9281_CHIP_COUNT); |
| |
| const int usb_port_enable[CONFIG_USB_PORT_POWER_SMART_PORT_COUNT] = { |
| GPIO_EN_USB_A_5V, |
| }; |
| |
| void board_reset_pd_mcu(void) |
| { |
| /* Assert reset */ |
| gpio_set_level(GPIO_USB_PD_RST_C0, 1); |
| gpio_set_level(GPIO_USB_C1_PD_RST_ODL, 0); |
| msleep(1); |
| gpio_set_level(GPIO_USB_PD_RST_C0, 0); |
| gpio_set_level(GPIO_USB_C1_PD_RST_ODL, 1); |
| /* After TEST_R release, anx7447/3447 needs 2ms to finish eFuse |
| * loading. |
| */ |
| msleep(2); |
| } |
| |
| /* |
| * Read CBI data from EEPROM via i2c and remap the ps8751 i2c port |
| */ |
| static void ps8751_i2c_remap(void) |
| { |
| uint32_t board_version; |
| |
| if (cbi_get_board_version(&board_version) != EC_SUCCESS || |
| board_version > 1) |
| return; |
| /* |
| * Due to b/118063849, we separate the ps8751 and anx3447 to |
| * different i2c bus which start from board_version >= 2. |
| * For the board_version <= 1, the ps8751 and anx3447 TCPC |
| * use the same i2c bus. Thus, reconfig the ps8751 i2c port |
| * to i2c_0_0. |
| */ |
| tcpc_config[USB_PD_PORT_PS8751].i2c_info.port = I2C_PORT_TCPC0; |
| } |
| |
| void board_tcpc_init(void) |
| { |
| ps8751_i2c_remap(); |
| |
| /* Only reset TCPC if not sysjump */ |
| if (!system_jumped_late()) { |
| board_reset_pd_mcu(); |
| } |
| |
| /* 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); |
| |
| 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_PD_RST_C0)) |
| 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 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 (11) - 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); |
| |
| /* |
| * 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 (11) - 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); |
| |
| /* |
| * 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; |
| |
| /* |
| * DISCHGCNT2 - enable 100 ohm discharge on |
| * V5A_DS3/V33A_DSW/V33A_PCH/V1.8A |
| */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3d, 0x55); |
| /* DISCHGCNT3 - enable 100 ohm discharge on V1.8U_25U/V1.00A */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3e, 0x44); |
| /* DISCHGCNT4 - enable 100 ohm discharge on v1.8S */ |
| i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3f, 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); |
| } |
| 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_ACPRESENT, extpower_is_present()); |
| |
| /* Enable sensors power supply */ |
| gpio_set_level(GPIO_EN_PP1800_DX_SENSOR, 1); |
| |
| /* Enable VBUS interrupt */ |
| gpio_enable_interrupt(GPIO_USB_C0_VBUS_DET_L); |
| gpio_enable_interrupt(GPIO_USB_C1_VBUS_DET_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 Gyro interrupts */ |
| gpio_enable_interrupt(GPIO_BASE_SIXAXIS_INT_L); |
| |
| /* Initialize PMIC */ |
| hook_call_deferred(&board_pmic_init_data, 0); |
| } |
| DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); |
| |
| static void usb_charge_mode_init(void) |
| { |
| /* |
| * By default, turn the charging off when system suspends. |
| * If system power on with connecting a USB device, |
| * the OS must send an event to EC to clear the |
| * inhibit_charging_in_suspend. |
| */ |
| usb_charge_set_mode(0, CONFIG_USB_PORT_POWER_SMART_DEFAULT_MODE, |
| USB_DISALLOW_SUSPEND_CHARGE); |
| } |
| DECLARE_HOOK(HOOK_INIT, usb_charge_mode_init, HOOK_PRIO_DEFAULT + 1); |
| |
| /** |
| * Buffer the AC present GPIO to the PCH. |
| */ |
| static void board_extpower(void) |
| { |
| gpio_set_level(GPIO_PCH_ACPRESENT, 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_EN_USB_C0_CHARGE_EC_L, 1); |
| gpio_set_level(GPIO_EN_USB_C1_CHARGE_EC_L, 1); |
| } else { |
| /* Make sure non-charging port is disabled */ |
| gpio_set_level(charge_port ? GPIO_EN_USB_C0_CHARGE_EC_L : |
| GPIO_EN_USB_C1_CHARGE_EC_L, |
| 1); |
| /* Enable charging port */ |
| gpio_set_level(charge_port ? GPIO_EN_USB_C1_CHARGE_EC_L : |
| GPIO_EN_USB_C0_CHARGE_EC_L, |
| 0); |
| } |
| |
| return EC_SUCCESS; |
| } |
| |
| 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) |
| ; |
| } |
| |
| const struct pwm_t pwm_channels[] = { |
| /* |
| * 1.2kHz is a multiple of both 50 and 60. So a video recorder |
| * (generally designed to ignore either 50 or 60 Hz flicker) will not |
| * alias with refresh rate. |
| */ |
| [PWM_CH_KBLIGHT] = { 4, 0, 1200 }, |
| }; |
| BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); |
| |
| /* Lid Sensor mutex */ |
| static struct mutex g_lid_mutex; |
| static struct mutex g_base_mutex; |
| |
| static struct bmi_drv_data_t g_bmi160_data; |
| static struct icm_drv_data_t g_icm426xx_data; |
| |
| /* private data */ |
| static struct accelgyro_saved_data_t g_bma255_data; |
| static struct kionix_accel_data g_kx022_data; |
| |
| /* Matrix to rotate accelrator into standard reference frame */ |
| const mat33_fp_t base_standard_ref = { { FLOAT_TO_FP(1), 0, 0 }, |
| { 0, FLOAT_TO_FP(-1), 0 }, |
| { 0, 0, FLOAT_TO_FP(-1) } }; |
| |
| const mat33_fp_t base_standard_ref_icm = { { 0, FLOAT_TO_FP(1), 0 }, |
| { FLOAT_TO_FP(1), 0, 0 }, |
| { 0, 0, FLOAT_TO_FP(-1) } }; |
| |
| 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) } }; |
| |
| struct motion_sensor_t base_accel_icm = { |
| .name = "Base Accel", |
| .active_mask = SENSOR_ACTIVE_S0_S3, |
| .chip = MOTIONSENSE_CHIP_ICM426XX, |
| .type = MOTIONSENSE_TYPE_ACCEL, |
| .location = MOTIONSENSE_LOC_BASE, |
| .drv = &icm426xx_drv, |
| .mutex = &g_base_mutex, |
| .drv_data = &g_icm426xx_data, |
| .port = I2C_PORT_ACCEL, |
| .i2c_spi_addr_flags = ICM426XX_ADDR0_FLAGS, |
| .rot_standard_ref = &base_standard_ref_icm, |
| .min_frequency = ICM426XX_ACCEL_MIN_FREQ, |
| .max_frequency = ICM426XX_ACCEL_MAX_FREQ, |
| .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs */ |
| .config = { |
| /* EC use accel for angle detection */ |
| [SENSOR_CONFIG_EC_S0] = { |
| .odr = 10000 | ROUND_UP_FLAG, |
| .ec_rate = 100 * MSEC, |
| }, |
| /* Sensor on in S3 */ |
| [SENSOR_CONFIG_EC_S3] = { |
| .odr = 10000 | ROUND_UP_FLAG, |
| .ec_rate = 0, |
| }, |
| }, |
| }; |
| |
| struct motion_sensor_t base_gyro_icm = { |
| .name = "Base Gyro", |
| .active_mask = SENSOR_ACTIVE_S0_S3, |
| .chip = MOTIONSENSE_CHIP_ICM426XX, |
| .type = MOTIONSENSE_TYPE_GYRO, |
| .location = MOTIONSENSE_LOC_BASE, |
| .drv = &icm426xx_drv, |
| .mutex = &g_base_mutex, |
| .drv_data = &g_icm426xx_data, |
| .port = I2C_PORT_ACCEL, |
| .i2c_spi_addr_flags = ICM426XX_ADDR0_FLAGS, |
| .default_range = 1000, /* dps */ |
| .rot_standard_ref = &base_standard_ref_icm, |
| .min_frequency = ICM426XX_GYRO_MIN_FREQ, |
| .max_frequency = ICM426XX_GYRO_MAX_FREQ, |
| }; |
| |
| struct motion_sensor_t lid_accel_kx022 = { |
| .name = "Lid Accel", |
| .active_mask = SENSOR_ACTIVE_S0_S3, |
| .chip = MOTIONSENSE_CHIP_KX022, |
| .type = MOTIONSENSE_TYPE_ACCEL, |
| .location = MOTIONSENSE_LOC_LID, |
| .drv = &kionix_accel_drv, |
| .mutex = &g_lid_mutex, |
| .drv_data = &g_kx022_data, |
| .port = I2C_PORT_ACCEL, |
| .i2c_spi_addr_flags = KX022_ADDR1_FLAGS, |
| .rot_standard_ref = &lid_standard_ref, |
| .min_frequency = KX022_ACCEL_MIN_FREQ, |
| .max_frequency = KX022_ACCEL_MAX_FREQ, |
| .default_range = 2, /* g, to support lid angle calculation. */ |
| .config = { |
| /* EC use accel for angle detection */ |
| [SENSOR_CONFIG_EC_S0] = { |
| .odr = 10000 | ROUND_UP_FLAG, |
| .ec_rate = 0, |
| }, |
| /* Sensor on in S3 */ |
| [SENSOR_CONFIG_EC_S3] = { |
| .odr = 10000 | ROUND_UP_FLAG, |
| .ec_rate = 0, |
| }, |
| }, |
| }; |
| |
| struct motion_sensor_t motion_sensors[] = { |
| [LID_ACCEL] = { |
| .name = "Lid Accel", |
| .active_mask = SENSOR_ACTIVE_S0_S3, |
| .chip = MOTIONSENSE_CHIP_BMA255, |
| .type = MOTIONSENSE_TYPE_ACCEL, |
| .location = MOTIONSENSE_LOC_LID, |
| .drv = &bma2x2_accel_drv, |
| .mutex = &g_lid_mutex, |
| .drv_data = &g_bma255_data, |
| .port = I2C_PORT_ACCEL, |
| .i2c_spi_addr_flags = BMA2x2_I2C_ADDR1_FLAGS, |
| .rot_standard_ref = &lid_standard_ref, |
| .min_frequency = BMA255_ACCEL_MIN_FREQ, |
| .max_frequency = BMA255_ACCEL_MAX_FREQ, |
| .default_range = 2, /* g, to support lid angle calculation. */ |
| .config = { |
| /* EC use accel for angle detection */ |
| [SENSOR_CONFIG_EC_S0] = { |
| .odr = 10000 | ROUND_UP_FLAG, |
| .ec_rate = 0, |
| }, |
| /* Sensor on in S3 */ |
| [SENSOR_CONFIG_EC_S3] = { |
| .odr = 10000 | ROUND_UP_FLAG, |
| .ec_rate = 0, |
| }, |
| }, |
| }, |
| [BASE_ACCEL] = { |
| .name = "Base Accel", |
| .active_mask = SENSOR_ACTIVE_S0_S3, |
| .chip = MOTIONSENSE_CHIP_BMI160, |
| .type = MOTIONSENSE_TYPE_ACCEL, |
| .location = MOTIONSENSE_LOC_BASE, |
| .drv = &bmi160_drv, |
| .mutex = &g_base_mutex, |
| .drv_data = &g_bmi160_data, |
| .port = I2C_PORT_ACCEL, |
| .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS, |
| .rot_standard_ref = &base_standard_ref, |
| .min_frequency = BMI_ACCEL_MIN_FREQ, |
| .max_frequency = BMI_ACCEL_MAX_FREQ, |
| .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs */ |
| .config = { |
| /* EC use accel for angle detection */ |
| [SENSOR_CONFIG_EC_S0] = { |
| .odr = 10000 | ROUND_UP_FLAG, |
| .ec_rate = 100 * MSEC, |
| }, |
| /* Sensor on in S3 */ |
| [SENSOR_CONFIG_EC_S3] = { |
| .odr = 10000 | ROUND_UP_FLAG, |
| .ec_rate = 0, |
| }, |
| }, |
| }, |
| [BASE_GYRO] = { |
| .name = "Base Gyro", |
| .active_mask = SENSOR_ACTIVE_S0_S3, |
| .chip = MOTIONSENSE_CHIP_BMI160, |
| .type = MOTIONSENSE_TYPE_GYRO, |
| .location = MOTIONSENSE_LOC_BASE, |
| .drv = &bmi160_drv, |
| .mutex = &g_base_mutex, |
| .drv_data = &g_bmi160_data, |
| .port = I2C_PORT_ACCEL, |
| .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS, |
| .default_range = 1000, /* dps */ |
| .rot_standard_ref = &base_standard_ref, |
| .min_frequency = BMI_GYRO_MIN_FREQ, |
| .max_frequency = BMI_GYRO_MAX_FREQ, |
| }, |
| }; |
| const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); |
| |
| void motion_interrupt(enum gpio_signal signal) |
| { |
| if (get_cbi_ssfc_base_sensor() == SSFC_SENSOR_BASE_ICM426XX) |
| icm426xx_interrupt(signal); |
| else |
| bmi160_interrupt(signal); |
| } |
| |
| static void board_detect_motionsense(void) |
| { |
| if (get_cbi_ssfc_lid_sensor() == SSFC_SENSOR_LID_KX022) { |
| motion_sensors[LID_ACCEL] = lid_accel_kx022; |
| ccprints("LID_ACCEL is KX022"); |
| } else |
| ccprints("LID_ACCEL is BMA253"); |
| |
| if (get_cbi_ssfc_base_sensor() == SSFC_SENSOR_BASE_ICM426XX) { |
| motion_sensors[BASE_ACCEL] = base_accel_icm; |
| motion_sensors[BASE_GYRO] = base_gyro_icm; |
| ccprints("BASE_ACCEL is ICM426XX"); |
| } else |
| ccprints("BASE_ACCEL is BMI160"); |
| } |
| DECLARE_HOOK(HOOK_INIT, board_detect_motionsense, HOOK_PRIO_DEFAULT); |
| |
| /* Enable or disable input devices, based on chipset state and tablet mode */ |
| __override void lid_angle_peripheral_enable(int enable) |
| { |
| /* If the lid is in 360 position, ignore the lid angle, |
| * which might be faulty. Disable keyboard. |
| */ |
| if (tablet_get_mode() || chipset_in_state(CHIPSET_STATE_ANY_OFF)) |
| enable = 0; |
| keyboard_scan_enable(enable, KB_SCAN_DISABLE_LID_ANGLE); |
| } |
| |
| 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); |
| gpio_set_level(GPIO_KB_BL_EN, 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); |
| gpio_set_level(GPIO_KB_BL_EN, 0); |
| } |
| DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); |
| |
| /* Called on AP S5 -> S3 transition */ |
| static void board_chipset_startup(void) |
| { |
| gpio_set_level(GPIO_EN_PP3300_TRACKPAD, 1); |
| } |
| DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); |
| |
| /* Called on AP S3 -> S5 transition */ |
| static void board_chipset_shutdown(void) |
| { |
| gpio_set_level(GPIO_EN_PP3300_TRACKPAD, 0); |
| } |
| DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); |