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Diffstat (limited to 'board/poppy/board.c')
| -rw-r--r-- | board/poppy/board.c | 875 |
1 files changed, 0 insertions, 875 deletions
diff --git a/board/poppy/board.c b/board/poppy/board.c deleted file mode 100644 index f99b06fbf9..0000000000 --- a/board/poppy/board.c +++ /dev/null @@ -1,875 +0,0 @@ -/* Copyright 2016 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 "adc_chip.h" -#include "als.h" -#include "bd99992gw.h" -#include "board_config.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_bmi160.h" -#include "driver/als_opt3001.h" -#include "driver/baro_bmp280.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 "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 "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) - -#define USB_PD_PORT_ANX74XX 0 - -/* Minimum input current limit. */ -#define ILIM_MIN_MA 472 - -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, 0); -} - -void usb1_evt(enum gpio_signal signal) -{ - task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12, 0); -} - -#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, 0); -} -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 - -#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[] = { - {"tcpc", NPCX_I2C_PORT0_0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA}, - {"als", 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 = ANX74XX_I2C_ADDR1_FLAGS, - }, - .drv = &anx74xx_tcpm_drv, - }, - { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = NPCX_I2C_PORT0_0, - .addr_flags = PS8751_I2C_ADDR1_FLAGS, - }, - .drv = &ps8xxx_tcpm_drv, - }, -}; - -struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .driver = &anx74xx_tcpm_usb_mux_driver, - .hpd_update = &anx74xx_tcpc_update_hpd_status, - }, - { - .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); - -/** - * 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 port, reg; - - /* Only reset TCPC if not sysjump */ - if (!system_jumped_to_this_image()) { - 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 (port = 0; port < CONFIG_USB_PD_PORT_MAX_COUNT; port++) { - const struct usb_mux *mux = &usb_muxes[port]; - - mux->hpd_update(port, 0, 0); - } -} -DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C+1); - -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, 4}, - - /* These BD99992GW temp sensors are only readable in S0 */ - {"Ambient", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM0, 4}, - {"Charger", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM1, 4}, - {"DRAM", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM2, 4}, - {"eMMC", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM3, 4}, -}; -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_to_this_image()) - 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 - - /* 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). - */ -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(MAX(charge_ma, ILIM_MIN_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 bmi160_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 = 2, /* g, enough for laptop. */ - .min_frequency = BMI160_ACCEL_MIN_FREQ, - .max_frequency = BMI160_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 = BMI160_GYRO_MIN_FREQ, - .max_frequency = BMI160_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, - .max_frequency = BMM150_MAG_MAX_FREQ(SPECIAL), - }, - [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; -} |