diff options
Diffstat (limited to 'board/trogdor/board.c')
| -rw-r--r-- | board/trogdor/board.c | 547 |
1 files changed, 0 insertions, 547 deletions
diff --git a/board/trogdor/board.c b/board/trogdor/board.c deleted file mode 100644 index edbdf53740..0000000000 --- a/board/trogdor/board.c +++ /dev/null @@ -1,547 +0,0 @@ -/* Copyright 2019 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. - */ - -/* Trogdor board-specific configuration */ - -#include "adc_chip.h" -#include "button.h" -#include "charge_manager.h" -#include "charge_state.h" -#include "chipset.h" -#include "extpower.h" -#include "driver/accelgyro_bmi160.h" -#include "driver/ppc/sn5s330.h" -#include "driver/tcpm/ps8xxx.h" -#include "driver/tcpm/tcpci.h" -#include "gpio.h" -#include "hooks.h" -#include "lid_switch.h" -#include "pi3usb9281.h" -#include "power.h" -#include "power_button.h" -#include "pwm.h" -#include "pwm_chip.h" -#include "system.h" -#include "shi_chip.h" -#include "switch.h" -#include "task.h" -#include "usb_charge.h" -#include "usb_mux.h" -#include "usb_pd.h" -#include "usbc_ppc.h" -#include "util.h" - -#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) -#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) - -/* Forward declaration */ -static void tcpc_alert_event(enum gpio_signal signal); -static void vbus0_evt(enum gpio_signal signal); -static void vbus1_evt(enum gpio_signal signal); -static void usb0_evt(enum gpio_signal signal); -static void usb1_evt(enum gpio_signal signal); -static void ppc_interrupt(enum gpio_signal signal); - -#include "gpio_list.h" - -/* GPIO Interrupt Handlers */ -static void tcpc_alert_event(enum gpio_signal signal) -{ - int port = -1; - - switch (signal) { - case GPIO_USB_C0_PD_INT_ODL: - port = 0; - break; - case GPIO_USB_C1_PD_INT_ODL: - port = 1; - break; - default: - return; - } - - schedule_deferred_pd_interrupt(port); -} - -static void vbus0_evt(enum gpio_signal signal) -{ - /* VBUS present GPIO is inverted */ - usb_charger_vbus_change(0, !gpio_get_level(GPIO_USB_C0_VBUS_DET_L)); - task_wake(TASK_ID_PD_C0); -} - -static void vbus1_evt(enum gpio_signal signal) -{ - /* VBUS present GPIO is inverted */ - usb_charger_vbus_change(1, !gpio_get_level(GPIO_USB_C1_VBUS_DET_L)); - task_wake(TASK_ID_PD_C1); -} - -static void usb0_evt(enum gpio_signal signal) -{ - task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12, 0); -} - -static void usb1_evt(enum gpio_signal signal) -{ - task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12, 0); -} - -static void ppc_interrupt(enum gpio_signal signal) -{ - switch (signal) { - case GPIO_USB_C0_SWCTL_INT_ODL: - sn5s330_interrupt(0); - break; - case GPIO_USB_C1_SWCTL_INT_ODL: - sn5s330_interrupt(1); - break; - default: - break; - } -} - -/* Wake-up pins for hibernate */ -const enum gpio_signal hibernate_wake_pins[] = { - GPIO_LID_OPEN, - GPIO_AC_PRESENT, - GPIO_POWER_BUTTON_L, - GPIO_EC_RST_ODL, -}; -const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); - -/* ADC channels */ -const struct adc_t adc_channels[] = { - /* Measure VBUS through a 1/10 voltage divider */ - [ADC_VBUS] = { - "VBUS", - NPCX_ADC_CH1, - ADC_MAX_VOLT * 10, - ADC_READ_MAX + 1, - 0 - }, - /* - * Adapter current output or battery charging/discharging current (uV) - * 18x amplification on charger side. - */ - [ADC_AMON_BMON] = { - "AMON_BMON", - NPCX_ADC_CH2, - ADC_MAX_VOLT * 1000 / 18, - ADC_READ_MAX + 1, - 0 - }, - /* - * ISL9238 PSYS output is 1.44 uA/W over 5.6K resistor, to read - * 0.8V @ 99 W, i.e. 124000 uW/mV. Using ADC_MAX_VOLT*124000 and - * ADC_READ_MAX+1 as multiplier/divider leads to overflows, so we - * only divide by 2 (enough to avoid precision issues). - */ - [ADC_PSYS] = { - "PSYS", - NPCX_ADC_CH3, - ADC_MAX_VOLT * 124000 * 2 / (ADC_READ_MAX + 1), - 2, - 0 - }, -}; -BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); - -const struct pwm_t pwm_channels[] = { - [PWM_CH_KBLIGHT] = { .channel = 3, .flags = 0, .freq = 10000 }, - /* TODO(waihong): Assign a proper frequency. */ - [PWM_CH_DISPLIGHT] = { .channel = 5, .flags = 0, .freq = 4800 }, -}; -BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); - - -/* Power signal list. Must match order of enum power_signal. */ -const struct power_signal_info power_signal_list[] = { - [SC7180_AP_RST_ASSERTED] = { - GPIO_AP_RST_L, - POWER_SIGNAL_ACTIVE_LOW | POWER_SIGNAL_DISABLE_AT_BOOT, - "AP_RST_ASSERTED"}, - [SC7180_PS_HOLD] = { - GPIO_PS_HOLD, - POWER_SIGNAL_ACTIVE_HIGH, - "PS_HOLD"}, - [SC7180_PMIC_FAULT_L] = { - GPIO_PMIC_FAULT_L, - POWER_SIGNAL_ACTIVE_HIGH | POWER_SIGNAL_DISABLE_AT_BOOT, - "PMIC_FAULT_L"}, - [SC7180_POWER_GOOD] = { - GPIO_POWER_GOOD, - POWER_SIGNAL_ACTIVE_HIGH, - "POWER_GOOD"}, - [SC7180_WARM_RESET] = { - GPIO_WARM_RESET_L, - POWER_SIGNAL_ACTIVE_HIGH, - "WARM_RESET_L"}, -}; -BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); - -/* I2C port map */ -const struct i2c_port_t i2c_ports[] = { - {"power", I2C_PORT_POWER, 100, GPIO_EC_I2C_POWER_SCL, - GPIO_EC_I2C_POWER_SDA}, - {"tcpc0", I2C_PORT_TCPC0, 1000, GPIO_EC_I2C_USB_C0_PD_SCL, - GPIO_EC_I2C_USB_C0_PD_SDA}, - {"tcpc1", I2C_PORT_TCPC1, 1000, GPIO_EC_I2C_USB_C1_PD_SCL, - GPIO_EC_I2C_USB_C1_PD_SDA}, - {"eeprom", I2C_PORT_EEPROM, 400, GPIO_EC_I2C_EEPROM_SCL, - GPIO_EC_I2C_EEPROM_SDA}, - {"sensor", I2C_PORT_SENSOR, 400, GPIO_EC_I2C_SENSOR_SCL, - GPIO_EC_I2C_SENSOR_SDA}, -}; - -const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); - -/* Power Path Controller */ -struct ppc_config_t ppc_chips[] = { - { - .i2c_port = I2C_PORT_TCPC0, - .i2c_addr_flags = SN5S330_ADDR0_FLAGS, - .drv = &sn5s330_drv - }, - { - .i2c_port = I2C_PORT_TCPC1, - .i2c_addr_flags = SN5S330_ADDR0_FLAGS, - .drv = &sn5s330_drv - }, -}; -unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips); - -/* TCPC mux configuration */ -const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_TCPC0, - .addr_flags = PS8751_I2C_ADDR1_FLAGS, - }, - .drv = &ps8xxx_tcpm_drv, - }, - { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_TCPC1, - .addr_flags = PS8751_I2C_ADDR1_FLAGS, - }, - .drv = &ps8xxx_tcpm_drv, - }, -}; - -/* - * Port-0/1 USB mux driver. - * - * The USB mux is handled by TCPC chip and the HPD is handled by AP. - * Redirect to tcpci_tcpm_usb_mux_driver but override the get() function - * to check the HPD_IRQ mask from virtual_usb_mux_driver. - * - * Both port 0 and 1 use the same TCPC part. - */ - -static int port_usb_mux_init(int port) -{ - return tcpci_tcpm_usb_mux_driver.init(port); -} - -static int port_usb_mux_set(int i2c_addr, mux_state_t mux_state) -{ - return tcpci_tcpm_usb_mux_driver.set(i2c_addr, mux_state); -} - -static int port_usb_mux_get(int port, mux_state_t *mux_state) -{ - int rv; - mux_state_t virtual_mux_state; - - rv = tcpci_tcpm_usb_mux_driver.get(port, mux_state); - rv |= virtual_usb_mux_driver.get(port, &virtual_mux_state); - - if (virtual_mux_state & USB_PD_MUX_HPD_IRQ) - *mux_state |= USB_PD_MUX_HPD_IRQ; - return rv; -} - -static int port_usb_mux_enter_low_power(int port) -{ - return tcpci_tcpm_usb_mux_driver.enter_low_power_mode(port); -} - -const struct usb_mux_driver port_usb_mux_driver = { - .init = &port_usb_mux_init, - .set = &port_usb_mux_set, - .get = &port_usb_mux_get, - .enter_low_power_mode = &port_usb_mux_enter_low_power, -}; - -struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .driver = &port_usb_mux_driver, - .hpd_update = &virtual_hpd_update, - }, - { - .driver = &port_usb_mux_driver, - .hpd_update = &virtual_hpd_update, - } -}; - -const int usb_port_enable[USB_PORT_COUNT] = { - GPIO_EN_USB_A_5V, -}; - -/* BC1.2 */ -struct pi3usb9281_config pi3usb9281_chips[] = { - { - .i2c_port = I2C_PORT_POWER, - }, - { - .i2c_port = I2C_PORT_EEPROM, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) == - CONFIG_BC12_DETECT_PI3USB9281_CHIP_COUNT); - -/* Initialize board. */ -static void board_init(void) -{ - /* Enable BC1.2 VBUS detection */ - gpio_enable_interrupt(GPIO_USB_C0_VBUS_DET_L); - gpio_enable_interrupt(GPIO_USB_C1_VBUS_DET_L); - - /* Enable BC1.2 interrupts */ - gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L); - gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L); - - /* Enable interrupt for BMI160 sensor */ - gpio_enable_interrupt(GPIO_ACCEL_GYRO_INT_L); -} -DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); - -void board_tcpc_init(void) -{ - int port; - - /* Only reset TCPC if not sysjump */ - if (!system_jumped_to_this_image()) { - /* TODO(crosbug.com/p/61098): How long do we need to wait? */ - board_reset_pd_mcu(); - } - - /* Enable PPC interrupts */ - gpio_enable_interrupt(GPIO_USB_C0_SWCTL_INT_ODL); - - /* Enable TCPC interrupts */ - gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); - gpio_enable_interrupt(GPIO_USB_C1_PD_INT_ODL); - - /* - * Initialize HPD to low; after sysjump SOC needs to see - * HPD pulse to enable video path - */ - for (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); - -/* Called on AP S0 -> S3 transition */ -static void board_chipset_suspend(void) -{ - /* - * Turn off display backlight in S3. AP has its own control. The EC's - * and the AP's will be AND'ed together in hardware. - */ - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0); - pwm_enable(PWM_CH_DISPLIGHT, 0); - - /* Disable the keyboard backlight */ - pwm_enable(PWM_CH_KBLIGHT, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); - -/* Called on AP S3 -> S0 transition */ -static void board_chipset_resume(void) -{ - /* Turn on display and keyboard backlight in S0. */ - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1); - pwm_enable(PWM_CH_DISPLIGHT, 1); - pwm_enable(PWM_CH_KBLIGHT, 1); -} -DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); - -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_ODL, 0); - msleep(PS8XXX_RESET_DELAY_MS); - gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); - gpio_set_level(GPIO_USB_C1_PD_RST_ODL, 1); -} - -int board_vbus_sink_enable(int port, int enable) -{ - /* Both ports are controlled by PPC SN5S330 */ - return ppc_vbus_sink_enable(port, enable); -} - -int board_is_sourcing_vbus(int port) -{ - /* Both ports are controlled by PPC SN5S330 */ - return ppc_is_sourcing_vbus(port); -} - -void board_overcurrent_event(int port, int is_overcurrented) -{ - /* TODO(b/120231371): Notify AP */ - CPRINTS("p%d: overcurrent!", port); -} - -int board_set_active_charge_port(int port) -{ - int is_real_port = (port >= 0 && - port < CONFIG_USB_PD_PORT_MAX_COUNT); - int i; - int rv; - - if (!is_real_port && port != CHARGE_PORT_NONE) - return EC_ERROR_INVAL; - - CPRINTS("New chg p%d", port); - - if (port == CHARGE_PORT_NONE) { - /* Disable all ports. */ - for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) { - rv = board_vbus_sink_enable(i, 0); - if (rv) { - CPRINTS("Disabling p%d sink path failed.", i); - return rv; - } - } - - return EC_SUCCESS; - } - - /* Check if the port is sourcing VBUS. */ - if (board_is_sourcing_vbus(port)) { - CPRINTF("Skip enable p%d", port); - return EC_ERROR_INVAL; - } - - /* - * Turn off the other ports' sink path FETs, before enabling the - * requested charge port. - */ - for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) { - if (i == port) - continue; - - if (board_vbus_sink_enable(i, 0)) - CPRINTS("p%d: sink path disable failed.", i); - } - - /* Enable requested charge port. */ - if (board_vbus_sink_enable(port, 1)) { - CPRINTS("p%d: sink path enable failed.", port); - return EC_ERROR_UNKNOWN; - } - - return EC_SUCCESS; -} - -void board_set_charge_limit(int port, int supplier, int charge_ma, - int max_ma, int charge_mv) -{ - /* - * Ignore lower charge ceiling on PD transition if our battery is - * critical, as we may brownout. - */ - if (supplier == CHARGE_SUPPLIER_PD && - charge_ma < 1500 && - charge_get_percent() < CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON) { - CPRINTS("Using max ilim %d", max_ma); - charge_ma = max_ma; - } - - charge_set_input_current_limit(MAX(charge_ma, - CONFIG_CHARGER_INPUT_CURRENT), - charge_mv); -} - -uint16_t tcpc_get_alert_status(void) -{ - uint16_t status = 0; - - if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL)) - if (gpio_get_level(GPIO_USB_C0_PD_RST_L)) - status |= PD_STATUS_TCPC_ALERT_0; - if (!gpio_get_level(GPIO_USB_C1_PD_INT_ODL)) - if (gpio_get_level(GPIO_USB_C1_PD_RST_ODL)) - status |= PD_STATUS_TCPC_ALERT_1; - - return status; -} - -/* Mutexes */ -static struct mutex g_base_mutex; - -static struct bmi160_drv_data_t g_bmi160_data; - -/* Matrix to rotate accelerometer 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)} -}; - -struct motion_sensor_t motion_sensors[] = { - /* - * Note: bmi160: supports accelerometer and gyro sensor - * Requirement: accelerometer sensor must init before gyro sensor - * DO NOT change the order of the following table. - */ - [BASE_ACCEL] = { - .name = "Base Accel", - .active_mask = SENSOR_ACTIVE_S0_S3_S5, - .chip = MOTIONSENSE_CHIP_BMI160, - .type = MOTIONSENSE_TYPE_ACCEL, - .location = MOTIONSENSE_LOC_LID, - .drv = &bmi160_drv, - .mutex = &g_base_mutex, - .drv_data = &g_bmi160_data, - .port = I2C_PORT_SENSOR, - .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS, - .rot_standard_ref = &base_standard_ref, - .default_range = 4, /* g */ - .min_frequency = BMI160_ACCEL_MIN_FREQ, - .max_frequency = BMI160_ACCEL_MAX_FREQ, - .config = { - [SENSOR_CONFIG_EC_S0] = { - .odr = 10000 | ROUND_UP_FLAG, - }, - }, - }, - [BASE_GYRO] = { - .name = "Gyro", - .active_mask = SENSOR_ACTIVE_S0_S3_S5, - .chip = MOTIONSENSE_CHIP_BMI160, - .type = MOTIONSENSE_TYPE_GYRO, - .location = MOTIONSENSE_LOC_LID, - .drv = &bmi160_drv, - .mutex = &g_base_mutex, - .drv_data = &g_bmi160_data, - .port = I2C_PORT_SENSOR, - .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS, - .default_range = 1000, /* dps */ - .rot_standard_ref = &base_standard_ref, - .min_frequency = BMI160_GYRO_MIN_FREQ, - .max_frequency = BMI160_GYRO_MAX_FREQ, - }, -}; -const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); |