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Diffstat (limited to 'board/nautilus/board.c')
| -rw-r--r-- | board/nautilus/board.c | 781 |
1 files changed, 0 insertions, 781 deletions
diff --git a/board/nautilus/board.c b/board/nautilus/board.c deleted file mode 100644 index bcdaf568e7..0000000000 --- a/board/nautilus/board.c +++ /dev/null @@ -1,781 +0,0 @@ -/* 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. - */ - -/* Poppy board-specific configuration */ - -#include "adc.h" -#include "bd99992gw.h" -#include "board_config.h" -#include "battery_smart.h" -#include "button.h" -#include "charge_manager.h" -#include "charge_state.h" -#include "charge_ramp.h" -#include "charger.h" -#include "chipset.h" -#include "console.h" -#include "driver/accelgyro_bmi_common.h" -#include "driver/accel_bma2x2.h" -#include "driver/baro_bmp280.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 "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 "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" -#include "espi.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_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) -{ - task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12); -} - -void usb1_evt(enum gpio_signal signal) -{ - task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12); -} - -#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}, -}; -BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); - -/* I2C port map */ -const struct i2c_port_t i2c_ports[] = { - {"tcpc0", NPCX_I2C_PORT0_0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA}, - {"tcpc1", NPCX_I2C_PORT0_1, 400, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA}, - {"charger", NPCX_I2C_PORT1, 100, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, - {"pmic", NPCX_I2C_PORT2, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, - {"accelgyro", NPCX_I2C_PORT3, 400, GPIO_I2C3_SCL, 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 = PS8751_I2C_ADDR1_FLAGS, - }, - .drv = &ps8xxx_tcpm_drv, - }, - { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = NPCX_I2C_PORT0_1, - .addr_flags = PS8751_I2C_ADDR1_FLAGS, - }, - .drv = &ps8xxx_tcpm_drv, - }, -}; - -const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .usb_port = 0, - .driver = &tcpci_tcpm_usb_mux_driver, - .hpd_update = &ps8xxx_tcpc_update_hpd_status, - }, - { - .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 int usb_port_enable[CONFIG_USB_PORT_POWER_SMART_PORT_COUNT] = { - GPIO_USB1_ENABLE, -}; - -const struct charger_config_t chg_chips[] = { - { - .i2c_port = I2C_PORT_CHARGER, - .i2c_addr_flags = ISL923X_ADDR_FLAGS, - .drv = &isl923x_drv, - }, -}; - -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(1); - gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); - gpio_set_level(GPIO_USB_C1_PD_RST_L, 1); -} - -void board_tcpc_init(void) -{ - /* 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_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 */ - {"Charger", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM1}, - {"DRAM", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM2}, -}; -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); - - /* - * 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 (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); - - /* - * 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); -} -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 VBUS interrupt */ - 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); - - /* Level of sensor's I2C and interrupt are 3.3V on proto board */ - if(system_get_board_version() < 2) { - /* ACCELGYRO3_INT_L */ - gpio_set_flags(GPIO_ACCELGYRO3_INT_L, GPIO_INT_FALLING); - /* I2C3_SCL / I2C3_SDA */ - gpio_set_flags(GPIO_I2C3_SCL, GPIO_INPUT); - gpio_set_flags(GPIO_I2C3_SDA, GPIO_INPUT); - } - - /* 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 { - /* 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). - */ -void board_set_charge_limit(int port, int supplier, int charge_ma, - int max_ma, int charge_mv) -{ - /* - * Limit the input current to 96% negotiated limit, - * to account for the charger chip margin. - */ - charge_ma = charge_ma * 96 / 100; - charge_set_input_current_limit(MAX(charge_ma, - CONFIG_CHARGER_INPUT_CURRENT), charge_mv); -} - -/** - * 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; - } -} - -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 id3; - - if (ver != -1) - return ver; - - ver = 0; - - /* First 2 strappings are binary. */ - if (gpio_get_level(GPIO_BOARD_VERSION1)) - ver |= 0x01; - if (gpio_get_level(GPIO_BOARD_VERSION2)) - ver |= 0x02; - - /* - * The 3rd strapping pin is tristate. - * id3 = 2 if Hi-Z, id3 = 1 if high, and id3 = 0 if low. - */ - id3 = gpio_get_ternary(GPIO_BOARD_VERSION3); - ver |= id3 * 0x04; - - CPRINTS("Board ID = %d", ver); - - return ver; -} - -/* Lid Sensor mutex */ -static struct mutex g_lid_mutex; -static struct mutex g_base_mutex; - -static struct bmi_drv_data_t g_bmi160_data; - -/* BMA255 private data */ -static struct accelgyro_saved_data_t g_bma255_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 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 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, - }, - /* Sensor on in S3 */ - [SENSOR_CONFIG_EC_S3] = { - .odr = 10000 | ROUND_UP_FLAG, - }, - }, - }, - [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, - }, - }, - }, - [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); - -/* 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); -} -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); - -static void board_chipset_startup(void) -{ - /* Enable USB-A port. */ - gpio_set_level(GPIO_USB1_ENABLE, 1); - - gpio_set_level(GPIO_ENABLE_TOUCHPAD, 1); - - gpio_set_level(GPIO_PP1800_DX_SENSOR, 1); -} -DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); - -static void board_chipset_shutdown(void) -{ - /* Disable USB-A port. */ - gpio_set_level(GPIO_USB1_ENABLE, 0); - - gpio_set_level(GPIO_ENABLE_TOUCHPAD, 0); - - gpio_set_level(GPIO_PP1800_DX_SENSOR, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); - -int board_has_working_reset_flags(void) -{ - int version = system_get_board_version(); - - /* Boards Rev1, Rev2 and Rev3 will lose reset flags on power cycle. */ - if ((version == 1) || (version == 2) || (version == 3)) - return 0; - - /* All other board versions should have working reset flags */ - return 1; -} - -/* - * I2C callbacks to ensure bus free time for battery I2C transactions is at - * least 5ms. - */ -#define BATTERY_FREE_MIN_DELTA_US (5 * MSEC) -static timestamp_t battery_last_i2c_time; - -static int is_battery_i2c(const int port, const uint16_t slave_addr_flags) -{ - return (port == I2C_PORT_BATTERY) - && (slave_addr_flags == BATTERY_ADDR_FLAGS); -} - -void i2c_start_xfer_notify(const int port, const uint16_t slave_addr_flags) -{ - unsigned int time_delta_us; - - if (!is_battery_i2c(port, slave_addr_flags)) - return; - - time_delta_us = time_since32(battery_last_i2c_time); - if (time_delta_us >= BATTERY_FREE_MIN_DELTA_US) - return; - - usleep(BATTERY_FREE_MIN_DELTA_US - time_delta_us); -} - -void i2c_end_xfer_notify(const int port, const uint16_t slave_addr_flags) -{ - if (!is_battery_i2c(port, slave_addr_flags)) - return; - - battery_last_i2c_time = get_time(); -} |