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-rw-r--r--zephyr/projects/corsola/CMakeLists.txt34
-rw-r--r--zephyr/projects/corsola/Kconfig11
-rw-r--r--zephyr/projects/corsola/prj_krabby.conf2
-rw-r--r--zephyr/projects/corsola/src/baseboard_common.h44
-rw-r--r--zephyr/projects/corsola/src/board_chipset.c24
-rw-r--r--zephyr/projects/corsola/src/board_id.c107
-rw-r--r--zephyr/projects/corsola/src/hibernate.c21
-rw-r--r--zephyr/projects/corsola/src/krabby/battery.c47
-rw-r--r--zephyr/projects/corsola/src/krabby/board.c176
-rw-r--r--zephyr/projects/corsola/src/krabby/hooks.c19
-rw-r--r--zephyr/projects/corsola/src/krabby/led.c120
-rw-r--r--zephyr/projects/corsola/src/krabby/usbc_config.c40
-rw-r--r--zephyr/projects/corsola/src/regulator.c46
-rw-r--r--zephyr/projects/corsola/src/usb_pd_policy.c232
-rw-r--r--zephyr/projects/corsola/src/usbc_config.c420
15 files changed, 1323 insertions, 20 deletions
diff --git a/zephyr/projects/corsola/CMakeLists.txt b/zephyr/projects/corsola/CMakeLists.txt
index c237bae135..41454213fa 100644
--- a/zephyr/projects/corsola/CMakeLists.txt
+++ b/zephyr/projects/corsola/CMakeLists.txt
@@ -3,31 +3,25 @@
# found in the LICENSE file.
cmake_minimum_required(VERSION 3.13.1)
-add_compile_definitions(BOARD_KRABBY)
find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
-project(krabby)
zephyr_library_include_directories(include)
-set(PLATFORM_EC_BASEBOARD "${PLATFORM_EC}/baseboard/corsola" CACHE PATH
- "Path to the platform/ec baseboard directory")
-set(PLATFORM_EC_BOARD "${PLATFORM_EC}/board/krabby" CACHE PATH
- "Path to the platform/ec board directory")
-
# Include selected EC source from the baseboard
zephyr_library_sources(
- "${PLATFORM_EC_BASEBOARD}/board_chipset.c"
- "${PLATFORM_EC_BASEBOARD}/board_id.c"
- "${PLATFORM_EC_BASEBOARD}/hibernate.c"
- "${PLATFORM_EC_BASEBOARD}/regulator.c"
- "${PLATFORM_EC_BASEBOARD}/usbc_config.c"
- "${PLATFORM_EC_BASEBOARD}/usb_pd_policy.c")
-
-# Include selected EC source from the board
-zephyr_library_sources(
- "${PLATFORM_EC_BOARD}/hooks.c"
- "${PLATFORM_EC_BOARD}/led.c")
+ "src/board_chipset.c"
+ "src/board_id.c"
+ "src/hibernate.c"
+ "src/usbc_config.c"
+ "src/regulator.c"
+ "src/usb_pd_policy.c"
+)
-zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_I2C
- "src/krabby/i2c.c")
+if(DEFINED CONFIG_BOARD_KRABBY)
+ project(krabby)
+ zephyr_library_sources("src/krabby/hooks.c")
+ zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_I2C "src/krabby/i2c.c")
+ zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_LED_COMMON
+ "src/krabby/led.c")
+endif()
diff --git a/zephyr/projects/corsola/Kconfig b/zephyr/projects/corsola/Kconfig
new file mode 100644
index 0000000000..5848c137fa
--- /dev/null
+++ b/zephyr/projects/corsola/Kconfig
@@ -0,0 +1,11 @@
+# Copyright 2021 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.
+
+config BOARD_KRABBY
+ bool "Google Krabby Board"
+ help
+ Build Google Krabby reference board. Krabby has MediaTek MT8186 SoC
+ with ITE it81202-bx EC.
+
+source "Kconfig.zephyr"
diff --git a/zephyr/projects/corsola/prj_krabby.conf b/zephyr/projects/corsola/prj_krabby.conf
index ad86923679..b6c6960209 100644
--- a/zephyr/projects/corsola/prj_krabby.conf
+++ b/zephyr/projects/corsola/prj_krabby.conf
@@ -6,6 +6,8 @@ CONFIG_CROS_EC=y
CONFIG_PLATFORM_EC=y
CONFIG_SHIMMED_TASKS=y
+CONFIG_BOARD_KRABBY=y
+
# Bring up options
CONFIG_KERNEL_SHELL=y
CONFIG_PLATFORM_EC_SYSTEM_UNLOCKED=y
diff --git a/zephyr/projects/corsola/src/baseboard_common.h b/zephyr/projects/corsola/src/baseboard_common.h
new file mode 100644
index 0000000000..c0328ba4e1
--- /dev/null
+++ b/zephyr/projects/corsola/src/baseboard_common.h
@@ -0,0 +1,44 @@
+/* Copyright 2021 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.
+ */
+
+/* Corsola baseboard-specific onfiguration common to ECOS and Zephyr */
+
+#ifndef __CROS_EC_BASEBOARD_COMMON_H
+#define __CROS_EC_BASEBOARD_COMMON_H
+
+/* GPIO name remapping */
+#define GPIO_EN_HDMI_PWR GPIO_EC_X_GPIO1
+#define GPIO_USB_C1_FRS_EN GPIO_EC_X_GPIO1
+#define GPIO_USB_C1_PPC_INT_ODL GPIO_X_EC_GPIO2
+#define GPIO_PS185_EC_DP_HPD GPIO_X_EC_GPIO2
+#define GPIO_USB_C1_DP_IN_HPD GPIO_EC_X_GPIO3
+#define GPIO_PS185_PWRDN_ODL GPIO_EC_X_GPIO3
+
+#ifndef __ASSEMBLER__
+
+#include "gpio_signal.h"
+
+enum board_sub_board {
+ SUB_BOARD_NONE = -1,
+ SUB_BOARD_TYPEC,
+ SUB_BOARD_HDMI,
+ SUB_BOARD_COUNT,
+};
+
+/**
+ * board_get_version() - Get the board version
+ *
+ * Read the ADC to obtain the board version
+ *
+ * @return board version in the range 0 to 14 inclusive
+ */
+int board_get_version(void);
+
+void ppc_interrupt(enum gpio_signal signal);
+void bc12_interrupt(enum gpio_signal signal);
+void x_ec_interrupt(enum gpio_signal signal);
+
+#endif /* !__ASSEMBLER__ */
+#endif /* __CROS_EC_BASEBOARD_COMMON_H */
diff --git a/zephyr/projects/corsola/src/board_chipset.c b/zephyr/projects/corsola/src/board_chipset.c
new file mode 100644
index 0000000000..7e06a49792
--- /dev/null
+++ b/zephyr/projects/corsola/src/board_chipset.c
@@ -0,0 +1,24 @@
+/* Copyright 2021 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.
+ */
+
+/* Corsola baseboard-chipset specific configuration */
+
+#include "common.h"
+#include "gpio.h"
+#include "hooks.h"
+
+/* Called on AP S3 -> S0 transition */
+static void board_chipset_resume(void)
+{
+ gpio_set_level(GPIO_EC_BL_EN_OD, 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_EC_BL_EN_OD, 0);
+}
+DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT);
diff --git a/zephyr/projects/corsola/src/board_id.c b/zephyr/projects/corsola/src/board_id.c
new file mode 100644
index 0000000000..c39cf050a8
--- /dev/null
+++ b/zephyr/projects/corsola/src/board_id.c
@@ -0,0 +1,107 @@
+/* Copyright 2021 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.
+ */
+
+#include "adc.h"
+#include "common.h"
+#include "console.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "timer.h"
+#include "util.h"
+
+/**
+ * Conversion based on following table:
+ *
+ * ID | Rp | Rd | Voltage
+ * | kOhm | kOhm | mV
+ * ---+------+------+--------
+ * 0 | 51.1 | 2.2 | 136.2
+ * 1 | 51.1 | 6.81 | 388.1
+ * 2 | 51.1 | 11 | 584.5
+ * 3 | 57.6 | 18 | 785.7
+ * 4 | 51.1 | 22 | 993.2
+ * 5 | 51.1 | 30 | 1220.7
+ * 6 | 51.1 | 39.2 | 1432.6
+ * 7 | 56 | 56 | 1650.0
+ * 8 | 47 | 61.9 | 1875.8
+ * 9 | 47 | 80.6 | 2084.5
+ * 10 | 56 | 124 | 2273.3
+ * 11 | 51.1 | 150 | 2461.5
+ * 12 | 47 | 200 | 2672.1
+ * 13 | 47 | 330 | 2888.6
+ * 14 | 47 | 680 | 3086.7
+ */
+const static int voltage_map[] = {
+ 136,
+ 388,
+ 584,
+ 785,
+ 993,
+ 1220,
+ 1432,
+ 1650,
+ 1875,
+ 2084,
+ 2273,
+ 2461,
+ 2672,
+ 2888,
+ 3086,
+};
+
+const int threshold_mv = 100;
+
+/**
+ * Convert ADC value to board id using the voltage table above.
+ *
+ * @param ch ADC channel to read, usually ADC_BOARD_ID_0 or ADC_BOARD_ID_1.
+ *
+ * @return a non-negative board id, or negative value if error.
+ */
+static int adc_value_to_numeric_id(enum adc_channel ch)
+{
+ int mv;
+
+ gpio_set_level(GPIO_EN_EC_ID_ODL, 0);
+ /* Wait to allow cap charge */
+ msleep(10);
+
+ mv = adc_read_channel(ch);
+ if (mv == ADC_READ_ERROR)
+ mv = adc_read_channel(ch);
+
+ gpio_set_level(GPIO_EN_EC_ID_ODL, 1);
+
+ if (mv == ADC_READ_ERROR)
+ return -EC_ERROR_UNKNOWN;
+
+ for (int i = 0; i < ARRAY_SIZE(voltage_map); i++) {
+ if (IN_RANGE(mv, voltage_map[i] - threshold_mv,
+ voltage_map[i] + threshold_mv))
+ return i;
+ }
+
+ return -EC_ERROR_UNKNOWN;
+}
+
+static int version = -1;
+
+/* b/163963220: Cache ADC value before board_hibernate_late() reads it */
+static void board_version_init(void)
+{
+ version = adc_value_to_numeric_id(ADC_BOARD_ID_0);
+ if (version < 0) {
+ ccprints("WARN:BOARD_ID_0");
+ ccprints("Assuming board id = 0");
+
+ version = 0;
+ }
+}
+DECLARE_HOOK(HOOK_INIT, board_version_init, HOOK_PRIO_INIT_ADC + 1);
+
+__override int board_get_version(void)
+{
+ return version;
+}
diff --git a/zephyr/projects/corsola/src/hibernate.c b/zephyr/projects/corsola/src/hibernate.c
new file mode 100644
index 0000000000..c3752358bf
--- /dev/null
+++ b/zephyr/projects/corsola/src/hibernate.c
@@ -0,0 +1,21 @@
+/* Copyright 2021 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.
+ */
+
+#include "charger.h"
+#include "driver/charger/isl923x_public.h"
+#include "gpio.h"
+#include "system.h"
+
+/* Corsola board specific hibernate implementation */
+__override void board_hibernate_late(void)
+{
+ if (IS_ENABLED(CONFIG_CHARGER_ISL9238C))
+ isl9238c_hibernate(CHARGER_SOLO);
+
+ gpio_set_level(GPIO_EN_ULP, 1);
+
+ /* should not reach here */
+ __builtin_unreachable();
+}
diff --git a/zephyr/projects/corsola/src/krabby/battery.c b/zephyr/projects/corsola/src/krabby/battery.c
new file mode 100644
index 0000000000..f07c38e1b8
--- /dev/null
+++ b/zephyr/projects/corsola/src/krabby/battery.c
@@ -0,0 +1,47 @@
+/* Copyright 2021 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.
+ */
+
+#include "battery.h"
+#include "battery_fuel_gauge.h"
+#include "battery_smart.h"
+#include "charge_manager.h"
+#include "chipset.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "system.h"
+#include "usb_pd.h"
+
+const struct board_batt_params board_battery_info[] = {
+ [BATTERY_C235] = {
+ .fuel_gauge = {
+ .manuf_name = "AS3GWRc3KA",
+ .device_name = "C235-41",
+ .ship_mode = {
+ .reg_addr = 0x0,
+ .reg_data = { 0x10, 0x10 },
+ },
+ .fet = {
+ .reg_addr = 0x99,
+ .reg_mask = 0x0c,
+ .disconnect_val = 0x0c,
+ }
+ },
+ .batt_info = {
+ .voltage_max = 8800,
+ .voltage_normal = 7700,
+ .voltage_min = 6000,
+ .precharge_current = 256,
+ .start_charging_min_c = 0,
+ .start_charging_max_c = 45,
+ .charging_min_c = 0,
+ .charging_max_c = 60,
+ .discharging_min_c = 0,
+ .discharging_max_c = 60,
+ },
+ },
+};
+BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT);
+
+const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_C235;
diff --git a/zephyr/projects/corsola/src/krabby/board.c b/zephyr/projects/corsola/src/krabby/board.c
new file mode 100644
index 0000000000..1e81aed838
--- /dev/null
+++ b/zephyr/projects/corsola/src/krabby/board.c
@@ -0,0 +1,176 @@
+/* Copyright 2021 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.
+ */
+/* Corsola board configuration */
+
+#include "adc.h"
+#include "button.h"
+#include "charge_manager.h"
+#include "charge_state_v2.h"
+#include "charger.h"
+#include "chipset.h"
+#include "common.h"
+#include "console.h"
+#include "driver/accel_lis2dw12.h"
+#include "driver/accelgyro_icm_common.h"
+#include "driver/accelgyro_icm426xx.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "i2c.h"
+#include "keyboard_scan.h"
+#include "lid_switch.h"
+#include "motion_sense.h"
+#include "power.h"
+#include "pwm.h"
+#include "pwm_chip.h"
+#include "regulator.h"
+#include "spi.h"
+#include "switch.h"
+#include "tablet_mode.h"
+#include "task.h"
+#include "timer.h"
+#include "uart.h"
+
+/* Initialize board. */
+static void board_init(void)
+{
+ /* Enable motion sensor interrupt */
+ gpio_enable_interrupt(GPIO_BASE_IMU_INT_L);
+ gpio_enable_interrupt(GPIO_LID_ACCEL_INT_L);
+}
+DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
+
+/* Sensor */
+static struct mutex g_base_mutex;
+static struct mutex g_lid_mutex;
+
+static struct stprivate_data g_lis2dwl_data;
+static struct icm_drv_data_t g_icm426xx_data;
+
+struct motion_sensor_t motion_sensors[] = {
+ /*
+ * Note: icm426xx: 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,
+ .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,
+ .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs. */
+ .rot_standard_ref = NULL,
+ .min_frequency = ICM426XX_ACCEL_MIN_FREQ,
+ .max_frequency = ICM426XX_ACCEL_MAX_FREQ,
+ .config = {
+ /* EC use accel for angle detection */
+ [SENSOR_CONFIG_EC_S0] = {
+ .odr = 10000 | ROUND_UP_FLAG,
+ .ec_rate = 100 * MSEC,
+ },
+ [SENSOR_CONFIG_EC_S3] = {
+ .odr = 10000 | ROUND_UP_FLAG,
+ },
+ },
+ },
+ [BASE_GYRO] = {
+ .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,
+ .port = I2C_PORT_ACCEL,
+ .i2c_spi_addr_flags = ICM426XX_ADDR0_FLAGS,
+ .default_range = 1000, /* dps */
+ .rot_standard_ref = NULL,
+ .min_frequency = ICM426XX_GYRO_MIN_FREQ,
+ .max_frequency = ICM426XX_GYRO_MAX_FREQ,
+ },
+ [LID_ACCEL] = {
+ .name = "Lid Accel",
+ .active_mask = SENSOR_ACTIVE_S0_S3,
+ .chip = MOTIONSENSE_CHIP_LIS2DWL,
+ .type = MOTIONSENSE_TYPE_ACCEL,
+ .location = MOTIONSENSE_LOC_LID,
+ .drv = &lis2dw12_drv,
+ .mutex = &g_lid_mutex,
+ .drv_data = &g_lis2dwl_data,
+ .int_signal = GPIO_LID_ACCEL_INT_L,
+ .port = I2C_PORT_ACCEL,
+ .i2c_spi_addr_flags = LIS2DWL_ADDR1_FLAGS,
+ .flags = MOTIONSENSE_FLAG_INT_SIGNAL,
+ .rot_standard_ref = NULL, /* identity matrix */
+ .default_range = 2, /* g */
+ .min_frequency = LIS2DW12_ODR_MIN_VAL,
+ .max_frequency = LIS2DW12_ODR_MAX_VAL,
+ .config = {
+ /* EC use accel for angle detection */
+ [SENSOR_CONFIG_EC_S0] = {
+ .odr = 12500 | ROUND_UP_FLAG,
+ },
+ /* Sensor on for lid angle detection */
+ [SENSOR_CONFIG_EC_S3] = {
+ .odr = 10000 | ROUND_UP_FLAG,
+ },
+ },
+ },
+};
+const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
+
+void motion_interrupt(enum gpio_signal signal)
+{
+ icm426xx_interrupt(signal);
+}
+
+/* ADC channels. Must be in the exactly same order as in enum adc_channel. */
+const struct adc_t adc_channels[] = {
+ /* Convert to mV (3000mV/1024). */
+ {"VBUS_C0", ADC_MAX_MVOLT * 10, ADC_READ_MAX + 1, 0, CHIP_ADC_CH0},
+ {"BOARD_ID_0", ADC_MAX_MVOLT, ADC_READ_MAX + 1, 0, CHIP_ADC_CH1},
+ {"BOARD_ID_1", ADC_MAX_MVOLT, ADC_READ_MAX + 1, 0, CHIP_ADC_CH2},
+ /* AMON/BMON gain = 17.97 */
+ {"CHARGER_AMON_R", ADC_MAX_MVOLT * 1000 / 17.97, ADC_READ_MAX + 1, 0,
+ CHIP_ADC_CH3},
+ {"VBUS_C1", ADC_MAX_MVOLT * 10, ADC_READ_MAX + 1, 0, CHIP_ADC_CH5},
+ {"CHARGER_PMON", ADC_MAX_MVOLT, ADC_READ_MAX + 1, 0, CHIP_ADC_CH6},
+};
+BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
+
+/* PWM */
+
+/*
+ * PWM channels. Must be in the exactly same order as in enum pwm_channel.
+ * There total three 16 bits clock prescaler registers for all pwm channels,
+ * so use the same frequency and prescaler register setting is required if
+ * number of pwm channel greater than three.
+ */
+const struct pwm_t pwm_channels[] = {
+ [PWM_CH_LED1] = {
+ .channel = 0,
+ .flags = PWM_CONFIG_DSLEEP | PWM_CONFIG_ACTIVE_LOW,
+ .freq_hz = 324, /* maximum supported frequency */
+ .pcfsr_sel = PWM_PRESCALER_C4
+ },
+ [PWM_CH_LED2] = {
+ .channel = 1,
+ .flags = PWM_CONFIG_DSLEEP | PWM_CONFIG_ACTIVE_LOW,
+ .freq_hz = 324, /* maximum supported frequency */
+ .pcfsr_sel = PWM_PRESCALER_C4
+ },
+ [PWM_CH_LED3] = {
+ .channel = 2,
+ .flags = PWM_CONFIG_DSLEEP | PWM_CONFIG_ACTIVE_LOW,
+ .freq_hz = 324, /* maximum supported frequency */
+ .pcfsr_sel = PWM_PRESCALER_C4
+ },
+};
+BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
diff --git a/zephyr/projects/corsola/src/krabby/hooks.c b/zephyr/projects/corsola/src/krabby/hooks.c
new file mode 100644
index 0000000000..cea6667650
--- /dev/null
+++ b/zephyr/projects/corsola/src/krabby/hooks.c
@@ -0,0 +1,19 @@
+/* Copyright 2021 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.
+ */
+
+#include "gpio.h"
+#include "hooks.h"
+
+static void board_suspend(void)
+{
+ gpio_set_level(GPIO_EN_5V_USM, 0);
+}
+DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_suspend, HOOK_PRIO_DEFAULT);
+
+static void board_resume(void)
+{
+ gpio_set_level(GPIO_EN_5V_USM, 1);
+}
+DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_resume, HOOK_PRIO_DEFAULT);
diff --git a/zephyr/projects/corsola/src/krabby/led.c b/zephyr/projects/corsola/src/krabby/led.c
new file mode 100644
index 0000000000..1d3108c47b
--- /dev/null
+++ b/zephyr/projects/corsola/src/krabby/led.c
@@ -0,0 +1,120 @@
+/* Copyright 2021 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.
+ */
+
+#include "ec_commands.h"
+#include "gpio.h"
+#include "led_common.h"
+#include "led_onoff_states.h"
+#include "chipset.h"
+#include "driver/bc12/mt6360.h"
+
+__override const int led_charge_lvl_1 = 5;
+__override const int led_charge_lvl_2 = 95;
+
+__override struct led_descriptor
+ led_bat_state_table[LED_NUM_STATES][LED_NUM_PHASES] = {
+ [STATE_CHARGING_LVL_1] = {{EC_LED_COLOR_AMBER, LED_INDEFINITE} },
+ [STATE_CHARGING_LVL_2] = {{EC_LED_COLOR_AMBER, LED_INDEFINITE} },
+ [STATE_CHARGING_FULL_CHARGE] = {{EC_LED_COLOR_WHITE, LED_INDEFINITE} },
+ [STATE_DISCHARGE_S0] = {{LED_OFF, LED_INDEFINITE} },
+ [STATE_DISCHARGE_S0_BAT_LOW] = {{EC_LED_COLOR_AMBER, 1 * LED_ONE_SEC},
+ {LED_OFF, 3 * LED_ONE_SEC} },
+ [STATE_DISCHARGE_S3] = {{LED_OFF, LED_INDEFINITE} },
+ [STATE_DISCHARGE_S5] = {{LED_OFF, LED_INDEFINITE} },
+ [STATE_BATTERY_ERROR] = {{EC_LED_COLOR_AMBER, 1 * LED_ONE_SEC},
+ {LED_OFF, 1 * LED_ONE_SEC} },
+ [STATE_FACTORY_TEST] = {{EC_LED_COLOR_WHITE, 2 * LED_ONE_SEC},
+ {EC_LED_COLOR_AMBER, 2 * LED_ONE_SEC} },
+};
+
+__override const struct led_descriptor
+ led_pwr_state_table[PWR_LED_NUM_STATES][LED_NUM_PHASES] = {
+ [PWR_LED_STATE_ON] = {{EC_LED_COLOR_WHITE, LED_INDEFINITE} },
+ [PWR_LED_STATE_SUSPEND_AC] = {{EC_LED_COLOR_WHITE, 1 * LED_ONE_SEC},
+ {LED_OFF, 3 * LED_ONE_SEC} },
+ [PWR_LED_STATE_SUSPEND_NO_AC] = {{EC_LED_COLOR_WHITE, 1 * LED_ONE_SEC},
+ {LED_OFF, 3 * LED_ONE_SEC} },
+ [PWR_LED_STATE_OFF] = {{LED_OFF, LED_INDEFINITE} },
+};
+
+
+const enum ec_led_id supported_led_ids[] = {
+ EC_LED_ID_BATTERY_LED,
+ EC_LED_ID_POWER_LED,
+};
+
+const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
+
+__override void led_set_color_battery(enum ec_led_colors color)
+{
+ mt6360_led_set_brightness(MT6360_LED_RGB2, 50);
+ mt6360_led_set_brightness(MT6360_LED_RGB3, 50);
+
+ switch (color) {
+ case EC_LED_COLOR_AMBER:
+ mt6360_led_enable(MT6360_LED_RGB2, 0);
+ mt6360_led_enable(MT6360_LED_RGB3, 1);
+ break;
+ case EC_LED_COLOR_WHITE:
+ mt6360_led_enable(MT6360_LED_RGB2, 1);
+ mt6360_led_enable(MT6360_LED_RGB3, 0);
+ break;
+ default: /* LED_OFF and other unsupported colors */
+ mt6360_led_enable(MT6360_LED_RGB2, 0);
+ mt6360_led_enable(MT6360_LED_RGB3, 0);
+ break;
+ }
+}
+
+__override void led_set_color_power(enum ec_led_colors color)
+{
+ mt6360_led_set_brightness(MT6360_LED_RGB1, 1);
+ mt6360_led_enable(MT6360_LED_RGB1, color == EC_LED_COLOR_WHITE);
+}
+
+void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
+{
+ if (led_id == EC_LED_ID_BATTERY_LED) {
+ brightness_range[EC_LED_COLOR_AMBER] =
+ MT6360_LED_BRIGHTNESS_MAX;
+ brightness_range[EC_LED_COLOR_WHITE] =
+ MT6360_LED_BRIGHTNESS_MAX;
+ } else if (led_id == EC_LED_ID_POWER_LED) {
+ brightness_range[EC_LED_COLOR_WHITE] =
+ MT6360_LED_BRIGHTNESS_MAX;
+ }
+}
+
+int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
+{
+ if (led_id == EC_LED_ID_BATTERY_LED) {
+ if (brightness[EC_LED_COLOR_AMBER] != 0)
+ led_set_color_battery(EC_LED_COLOR_AMBER);
+ else if (brightness[EC_LED_COLOR_WHITE] != 0)
+ led_set_color_battery(EC_LED_COLOR_WHITE);
+ else
+ led_set_color_battery(LED_OFF);
+ } else if (led_id == EC_LED_ID_POWER_LED) {
+ if (brightness[EC_LED_COLOR_WHITE] != 0)
+ led_set_color_power(EC_LED_COLOR_WHITE);
+ else
+ led_set_color_power(LED_OFF);
+ }
+
+ return EC_SUCCESS;
+}
+
+__override enum led_states board_led_get_state(enum led_states desired_state)
+{
+ if (desired_state == STATE_BATTERY_ERROR) {
+ if (chipset_in_state(CHIPSET_STATE_ON))
+ return desired_state;
+ else if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND))
+ return STATE_DISCHARGE_S3;
+ else
+ return STATE_DISCHARGE_S5;
+ }
+ return desired_state;
+}
diff --git a/zephyr/projects/corsola/src/krabby/usbc_config.c b/zephyr/projects/corsola/src/krabby/usbc_config.c
new file mode 100644
index 0000000000..ee5d9483eb
--- /dev/null
+++ b/zephyr/projects/corsola/src/krabby/usbc_config.c
@@ -0,0 +1,40 @@
+/* Copyright 2021 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.
+ */
+
+/* Krabby board-specific USB-C configuration */
+
+#include "driver/tcpm/it83xx_pd.h"
+#include "driver/usb_mux/ps8743.h"
+#include "hooks.h"
+
+void board_usb_mux_init(void)
+{
+ if (board_get_sub_board() == SUB_BOARD_TYPEC) {
+ ps8743_tune_usb_eq(&usb_muxes[1],
+ PS8743_USB_EQ_TX_12_8_DB,
+ PS8743_USB_EQ_RX_12_8_DB);
+ ps8743_write(&usb_muxes[1],
+ PS8743_REG_HS_DET_THRESHOLD,
+ PS8743_USB_HS_THRESH_NEG_10);
+ }
+}
+DECLARE_HOOK(HOOK_INIT, board_usb_mux_init, HOOK_PRIO_INIT_I2C + 1);
+
+const struct cc_para_t *board_get_cc_tuning_parameter(enum usbpd_port port)
+{
+ const static struct cc_para_t
+ cc_parameter[CONFIG_USB_PD_ITE_ACTIVE_PORT_COUNT] = {
+ {
+ .rising_time = IT83XX_TX_PRE_DRIVING_TIME_1_UNIT,
+ .falling_time = IT83XX_TX_PRE_DRIVING_TIME_2_UNIT,
+ },
+ {
+ .rising_time = IT83XX_TX_PRE_DRIVING_TIME_1_UNIT,
+ .falling_time = IT83XX_TX_PRE_DRIVING_TIME_2_UNIT,
+ },
+ };
+
+ return &cc_parameter[port];
+}
diff --git a/zephyr/projects/corsola/src/regulator.c b/zephyr/projects/corsola/src/regulator.c
new file mode 100644
index 0000000000..35670bda82
--- /dev/null
+++ b/zephyr/projects/corsola/src/regulator.c
@@ -0,0 +1,46 @@
+/* Copyright 2021 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.
+ */
+
+#include "common.h"
+#include "bc12/mt6360_public.h"
+
+/* SD Card */
+int board_regulator_get_info(uint32_t index, char *name,
+ uint16_t *num_voltages, uint16_t *voltages_mv)
+{
+ enum mt6360_regulator_id id = index;
+
+ return mt6360_regulator_get_info(id, name, num_voltages,
+ voltages_mv);
+}
+
+int board_regulator_enable(uint32_t index, uint8_t enable)
+{
+ enum mt6360_regulator_id id = index;
+
+ return mt6360_regulator_enable(id, enable);
+}
+
+int board_regulator_is_enabled(uint32_t index, uint8_t *enabled)
+{
+ enum mt6360_regulator_id id = index;
+
+ return mt6360_regulator_is_enabled(id, enabled);
+}
+
+int board_regulator_set_voltage(uint32_t index, uint32_t min_mv,
+ uint32_t max_mv)
+{
+ enum mt6360_regulator_id id = index;
+
+ return mt6360_regulator_set_voltage(id, min_mv, max_mv);
+}
+
+int board_regulator_get_voltage(uint32_t index, uint32_t *voltage_mv)
+{
+ enum mt6360_regulator_id id = index;
+
+ return mt6360_regulator_get_voltage(id, voltage_mv);
+}
diff --git a/zephyr/projects/corsola/src/usb_pd_policy.c b/zephyr/projects/corsola/src/usb_pd_policy.c
new file mode 100644
index 0000000000..d0c576a398
--- /dev/null
+++ b/zephyr/projects/corsola/src/usb_pd_policy.c
@@ -0,0 +1,232 @@
+/* Copyright 2021 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.
+ */
+#include "adc.h"
+#include "atomic.h"
+#include "baseboard_common.h"
+#include "charge_manager.h"
+#include "chipset.h"
+#include "timer.h"
+#include "usb_dp_alt_mode.h"
+#include "usb_mux.h"
+#include "usb_pd.h"
+#include "usbc_ppc.h"
+
+#if CONFIG_USB_PD_3A_PORTS != 1
+#error Corsola reference must have at least one 3.0 A port
+#endif
+
+#define CPRINTS(format, args...) cprints(CC_USBPD, format, ## args)
+#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ## args)
+
+int svdm_get_hpd_gpio(int port)
+{
+ /* HPD is low active, inverse the result */
+ return !gpio_get_level(GPIO_EC_AP_DP_HPD_ODL);
+}
+
+void svdm_set_hpd_gpio(int port, int en)
+{
+ /*
+ * HPD is low active, inverse the en
+ * TODO: C0&C1 shares the same HPD, implement FCFS policy.
+ */
+ gpio_set_level(GPIO_EC_AP_DP_HPD_ODL, !en);
+}
+
+/**
+ * Is the port fine to be muxed its DisplayPort lines?
+ *
+ * Only one port can be muxed to DisplayPort at a time.
+ *
+ * @param port Port number of TCPC.
+ * @return 1 is fine; 0 is bad as other port is already muxed;
+ */
+static int is_dp_muxable(int port)
+{
+ int i;
+
+ for (i = 0; i < board_get_usb_pd_port_count(); i++) {
+ if (i != port) {
+ if (usb_mux_get(i) & USB_PD_MUX_DP_ENABLED)
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+__override int svdm_dp_attention(int port, uint32_t *payload)
+{
+ int lvl = PD_VDO_DPSTS_HPD_LVL(payload[1]);
+ int irq = PD_VDO_DPSTS_HPD_IRQ(payload[1]);
+#ifdef CONFIG_USB_PD_DP_HPD_GPIO
+ int cur_lvl = svdm_get_hpd_gpio(port);
+#endif /* CONFIG_USB_PD_DP_HPD_GPIO */
+ mux_state_t mux_state;
+
+ dp_status[port] = payload[1];
+
+ if (!is_dp_muxable(port)) {
+ /* TODO(waihong): Info user? */
+ CPRINTS("p%d: The other port is already muxed.", port);
+ return 0; /* nak */
+ }
+
+ if (lvl)
+ gpio_set_level_verbose(CC_USBPD, GPIO_DP_AUX_PATH_SEL, port);
+
+ if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND) &&
+ (irq || lvl))
+ /*
+ * Wake up the AP. IRQ or level high indicates a DP sink is now
+ * present.
+ */
+ if (IS_ENABLED(CONFIG_MKBP_EVENT))
+ pd_notify_dp_alt_mode_entry(port);
+
+ /* Its initial DP status message prior to config */
+ if (!(dp_flags[port] & DP_FLAGS_DP_ON)) {
+ if (lvl)
+ dp_flags[port] |= DP_FLAGS_HPD_HI_PENDING;
+ return 1;
+ }
+
+#ifdef CONFIG_USB_PD_DP_HPD_GPIO
+ if (irq && !lvl) {
+ /*
+ * IRQ can only be generated when the level is high, because
+ * the IRQ is signaled by a short low pulse from the high level.
+ */
+ CPRINTF("ERR:HPD:IRQ&LOW\n");
+ return 0; /* nak */
+ }
+
+ if (irq && cur_lvl) {
+ uint64_t now = get_time().val;
+ /* wait for the minimum spacing between IRQ_HPD if needed */
+ if (now < svdm_hpd_deadline[port])
+ usleep(svdm_hpd_deadline[port] - now);
+
+ /* generate IRQ_HPD pulse */
+ svdm_set_hpd_gpio(port, 0);
+ /*
+ * b/171172053#comment14: since the HPD_DSTREAM_DEBOUNCE_IRQ is
+ * very short (500us), we can use udelay instead of usleep for
+ * more stable pulse period.
+ */
+ udelay(HPD_DSTREAM_DEBOUNCE_IRQ);
+ svdm_set_hpd_gpio(port, 1);
+ } else {
+ svdm_set_hpd_gpio(port, lvl);
+ }
+
+ /* set the minimum time delay (2ms) for the next HPD IRQ */
+ svdm_hpd_deadline[port] = get_time().val + HPD_USTREAM_DEBOUNCE_LVL;
+#endif /* CONFIG_USB_PD_DP_HPD_GPIO */
+
+ mux_state = (lvl ? USB_PD_MUX_HPD_LVL : USB_PD_MUX_HPD_LVL_DEASSERTED) |
+ (irq ? USB_PD_MUX_HPD_IRQ : USB_PD_MUX_HPD_IRQ_DEASSERTED);
+ usb_mux_hpd_update(port, mux_state);
+
+#ifdef USB_PD_PORT_TCPC_MST
+ if (port == USB_PD_PORT_TCPC_MST)
+ baseboard_mst_enable_control(port, lvl);
+#endif
+
+ /* ack */
+ return 1;
+}
+
+__override void svdm_exit_dp_mode(int port)
+{
+#ifdef CONFIG_USB_PD_DP_HPD_GPIO
+ svdm_set_hpd_gpio(port, 0);
+#endif /* CONFIG_USB_PD_DP_HPD_GPIO */
+ usb_mux_hpd_update(port, USB_PD_MUX_HPD_LVL_DEASSERTED |
+ USB_PD_MUX_HPD_IRQ_DEASSERTED);
+
+#ifdef USB_PD_PORT_TCPC_MST
+ if (port == USB_PD_PORT_TCPC_MST)
+ baseboard_mst_enable_control(port, 0);
+#endif
+}
+
+int pd_snk_is_vbus_provided(int port)
+{
+ static int vbus_prev[CONFIG_USB_PD_PORT_MAX_COUNT];
+ int vbus;
+
+ /*
+ * (b:181203590#comment20) TODO(yllin): use
+ * PD_VSINK_DISCONNECT_PD for non-5V case.
+ */
+ vbus = adc_read_channel(board_get_vbus_adc(port)) >=
+ PD_V_SINK_DISCONNECT_MAX;
+
+#ifdef CONFIG_USB_CHARGER
+ /*
+ * There's no PPC to inform VBUS change for usb_charger, so inform
+ * the usb_charger now.
+ */
+ if (!!(vbus_prev[port] != vbus))
+ usb_charger_vbus_change(port, vbus);
+
+ if (vbus)
+ atomic_or(&vbus_prev[port], 1);
+ else
+ atomic_clear(&vbus_prev[port]);
+#endif
+ return vbus;
+}
+
+void pd_power_supply_reset(int port)
+{
+ int prev_en;
+
+ prev_en = ppc_is_sourcing_vbus(port);
+
+ /* Disable VBUS. */
+ ppc_vbus_source_enable(port, 0);
+
+ /* Enable discharge if we were previously sourcing 5V */
+ if (prev_en)
+ pd_set_vbus_discharge(port, 1);
+
+ /* Notify host of power info change. */
+ pd_send_host_event(PD_EVENT_POWER_CHANGE);
+}
+
+int pd_check_vconn_swap(int port)
+{
+ /* Allow Vconn swap if AP is on. */
+ return chipset_in_state(CHIPSET_STATE_SUSPEND | CHIPSET_STATE_ON);
+}
+
+int pd_set_power_supply_ready(int port)
+{
+ int rv;
+
+ /* Disable charging. */
+ rv = ppc_vbus_sink_enable(port, 0);
+ if (rv)
+ return rv;
+
+ pd_set_vbus_discharge(port, 0);
+
+ /* Provide Vbus. */
+ rv = ppc_vbus_source_enable(port, 1);
+ if (rv)
+ return rv;
+
+ /* Notify host of power info change. */
+ pd_send_host_event(PD_EVENT_POWER_CHANGE);
+
+ return EC_SUCCESS;
+}
+
+int board_vbus_source_enabled(int port)
+{
+ return ppc_is_sourcing_vbus(port);
+}
diff --git a/zephyr/projects/corsola/src/usbc_config.c b/zephyr/projects/corsola/src/usbc_config.c
new file mode 100644
index 0000000000..30859fdc0d
--- /dev/null
+++ b/zephyr/projects/corsola/src/usbc_config.c
@@ -0,0 +1,420 @@
+/* Copyright 2021 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.
+ */
+
+/* Corsola baseboard-specific USB-C configuration */
+
+#include "adc.h"
+#include "baseboard_common.h"
+#include "bc12/pi3usb9201_public.h"
+#include "bc12/mt6360_public.h"
+#include "button.h"
+#include "charger.h"
+#include "charge_state_v2.h"
+#include "charger/isl923x_public.h"
+#include "console.h"
+#include "ec_commands.h"
+#include "extpower.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "i2c.h"
+#include "lid_switch.h"
+#include "task.h"
+#include "ppc/syv682x_public.h"
+#include "power.h"
+#include "power_button.h"
+#include "spi.h"
+#include "switch.h"
+#include "tablet_mode.h"
+#include "tcpm/it8xxx2_pd_public.h"
+#include "uart.h"
+#include "usbc_ppc.h"
+#include "usb_charge.h"
+#include "usb_mux.h"
+#include "usb_mux/ps8743_public.h"
+#include "usb_mux/it5205_public.h"
+#include "usb_pd_tcpm.h"
+#include "usbc_ppc.h"
+
+#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ## args)
+#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args)
+#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ## args)
+
+const struct charger_config_t chg_chips[] = {
+ {
+ .i2c_port = I2C_PORT_CHARGER,
+ .i2c_addr_flags = ISL923X_ADDR_FLAGS,
+ .drv = &isl923x_drv,
+ },
+};
+
+/* Baseboard */
+
+static void baseboard_init(void)
+{
+ gpio_enable_interrupt(GPIO_USB_C0_PPC_BC12_INT_ODL);
+ gpio_enable_interrupt(GPIO_AP_XHCI_INIT_DONE);
+}
+DECLARE_HOOK(HOOK_INIT, baseboard_init, HOOK_PRIO_DEFAULT-1);
+
+/* Sub-board */
+
+enum board_sub_board board_get_sub_board(void)
+{
+ static enum board_sub_board sub = SUB_BOARD_NONE;
+
+ if (sub != SUB_BOARD_NONE)
+ return sub;
+
+ /* HDMI board has external pull high. */
+ if (gpio_get_level(GPIO_EC_X_GPIO3)) {
+ sub = SUB_BOARD_HDMI;
+ /* Only has 1 PPC with HDMI subboard */
+ ppc_cnt = 1;
+ /* EC_X_GPIO1 */
+ gpio_set_flags(GPIO_EN_HDMI_PWR, GPIO_OUT_HIGH);
+ /* X_EC_GPIO2 */
+ gpio_set_flags(GPIO_PS185_EC_DP_HPD, GPIO_INT_BOTH);
+ /* EC_X_GPIO3 */
+ gpio_set_flags(GPIO_PS185_PWRDN_ODL, GPIO_ODR_HIGH);
+ } else {
+ sub = SUB_BOARD_TYPEC;
+ /* EC_X_GPIO1 */
+ gpio_set_flags(GPIO_USB_C1_FRS_EN, GPIO_OUT_LOW);
+ /* X_EC_GPIO2 */
+ gpio_set_flags(GPIO_USB_C1_PPC_INT_ODL,
+ GPIO_INT_BOTH | GPIO_PULL_UP);
+ /* EC_X_GPIO3 */
+ gpio_set_flags(GPIO_USB_C1_DP_IN_HPD, GPIO_OUT_LOW);
+ }
+
+ CPRINTS("Detect %s SUB", sub == SUB_BOARD_HDMI ? "HDMI" : "TYPEC");
+ return sub;
+}
+
+static void sub_board_init(void)
+{
+ board_get_sub_board();
+}
+DECLARE_HOOK(HOOK_INIT, sub_board_init, HOOK_PRIO_INIT_I2C - 1);
+
+/* Detect subboard */
+static void board_tcpc_init(void)
+{
+ /* C1: GPIO_USB_C1_PPC_INT_ODL & HDMI: GPIO_PS185_EC_DP_HPD */
+ gpio_enable_interrupt(GPIO_X_EC_GPIO2);
+
+ /* If this is not a Type-C subboard, disable the task. */
+ if (board_get_sub_board() != SUB_BOARD_TYPEC)
+ task_disable_task(TASK_ID_PD_C1);
+}
+/* Must be done after I2C and subboard */
+DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C + 1);
+
+/* PPC */
+struct ppc_config_t ppc_chips[CONFIG_USB_PD_PORT_MAX_COUNT] = {
+ {
+ .i2c_port = I2C_PORT_PPC0,
+ .i2c_addr_flags = SYV682X_ADDR0_FLAGS,
+ .drv = &syv682x_drv,
+ .frs_en = GPIO_USB_C0_PPC_FRSINFO,
+ },
+ {
+ .i2c_port = I2C_PORT_PPC1,
+ .i2c_addr_flags = SYV682X_ADDR0_FLAGS,
+ .drv = &syv682x_drv,
+ .frs_en = GPIO_USB_C1_FRS_EN,
+ },
+};
+unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips);
+
+/* BC12 */
+const struct mt6360_config_t mt6360_config = {
+ .i2c_port = I2C_PORT_POWER,
+ .i2c_addr_flags = MT6360_PMU_I2C_ADDR_FLAGS,
+};
+
+const struct pi3usb9201_config_t
+ pi3usb9201_bc12_chips[CONFIG_USB_PD_PORT_MAX_COUNT] = {
+ /* [0]: unused */
+ [1] = {
+ .i2c_port = I2C_PORT_PPC1,
+ .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
+ }
+};
+
+struct bc12_config bc12_ports[CONFIG_USB_PD_PORT_MAX_COUNT] = {
+ { .drv = &mt6360_drv },
+ { .drv = &pi3usb9201_drv },
+};
+
+void bc12_interrupt(enum gpio_signal signal)
+{
+ task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12);
+}
+
+static void board_sub_bc12_init(void)
+{
+ if (board_get_sub_board() == SUB_BOARD_TYPEC)
+ gpio_enable_interrupt(GPIO_USB_C1_BC12_CHARGER_INT_ODL);
+ else
+ /* If this is not a Type-C subboard, disable the task. */
+ task_disable_task(TASK_ID_USB_CHG_P1);
+}
+/* Must be done after I2C and subboard */
+DECLARE_HOOK(HOOK_INIT, board_sub_bc12_init, HOOK_PRIO_INIT_I2C + 1);
+
+__override uint8_t board_get_usb_pd_port_count(void)
+{
+ if (board_get_sub_board() == SUB_BOARD_TYPEC)
+ return CONFIG_USB_PD_PORT_MAX_COUNT;
+ else
+ return CONFIG_USB_PD_PORT_MAX_COUNT - 1;
+}
+
+/* USB-A */
+const int usb_port_enable[] = {
+ GPIO_EN_PP5000_USB_A0_VBUS,
+};
+BUILD_ASSERT(ARRAY_SIZE(usb_port_enable) == USB_PORT_COUNT);
+
+void usb_a0_interrupt(enum gpio_signal signal)
+{
+ enum usb_charge_mode mode = gpio_get_level(signal) ?
+ USB_CHARGE_MODE_ENABLED : USB_CHARGE_MODE_DISABLED;
+
+ for (int i = 0; i < USB_PORT_COUNT; i++)
+ usb_charge_set_mode(i, mode, USB_ALLOW_SUSPEND_CHARGE);
+}
+
+static int board_ps8743_mux_set(const struct usb_mux *me,
+ mux_state_t mux_state)
+{
+ int rv = EC_SUCCESS;
+ int reg = 0;
+
+ rv = ps8743_read(me, PS8743_REG_MODE, &reg);
+ if (rv)
+ return rv;
+
+ /* Disable FLIP pin, enable I2C control. */
+ reg |= PS8743_MODE_FLIP_REG_CONTROL;
+ /* Disable CE_USB pin, enable I2C control. */
+ reg |= PS8743_MODE_USB_REG_CONTROL;
+ /* Disable CE_DP pin, enable I2C control. */
+ reg |= PS8743_MODE_DP_REG_CONTROL;
+
+ /*
+ * DP specific config
+ *
+ * Enable/Disable IN_HPD on the DB.
+ */
+ gpio_set_level(GPIO_USB_C1_DP_IN_HPD,
+ mux_state & USB_PD_MUX_DP_ENABLED);
+
+ return ps8743_write(me, PS8743_REG_MODE, reg);
+}
+
+const struct usb_mux usbc0_virtual_mux = {
+ .usb_port = 0,
+ .driver = &virtual_usb_mux_driver,
+ .hpd_update = &virtual_hpd_update,
+};
+
+const struct usb_mux usbc1_virtual_mux = {
+ .usb_port = 1,
+ .driver = &virtual_usb_mux_driver,
+ .hpd_update = &virtual_hpd_update,
+};
+
+const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = {
+ {
+ .usb_port = 0,
+ .i2c_port = I2C_PORT_USB_MUX0,
+ .i2c_addr_flags = IT5205_I2C_ADDR1_FLAGS,
+ .driver = &it5205_usb_mux_driver,
+ .next_mux = &usbc0_virtual_mux,
+ },
+ {
+ .usb_port = 1,
+ .i2c_port = I2C_PORT_USB_MUX1,
+ .i2c_addr_flags = PS8743_I2C_ADDR0_FLAG,
+ .driver = &ps8743_usb_mux_driver,
+ .next_mux = &usbc1_virtual_mux,
+ .board_set = &board_ps8743_mux_set,
+ },
+};
+
+void board_overcurrent_event(int port, int is_overcurrented)
+{
+ /* TODO: check correct operation for Corsola */
+}
+
+/* TCPC */
+const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = {
+ {
+ .bus_type = EC_BUS_TYPE_EMBEDDED,
+ /* TCPC is embedded within EC so no i2c config needed */
+ .drv = &it8xxx2_tcpm_drv,
+ /* Alert is active-low, push-pull */
+ .flags = 0,
+ },
+ {
+ .bus_type = EC_BUS_TYPE_EMBEDDED,
+ /* TCPC is embedded within EC so no i2c config needed */
+ .drv = &it8xxx2_tcpm_drv,
+ /* Alert is active-low, push-pull */
+ .flags = 0,
+ },
+};
+
+uint16_t tcpc_get_alert_status(void)
+{
+ /*
+ * C0 & C1: TCPC is embedded in the EC and processes interrupts in the
+ * chip code (it83xx/intc.c)
+ */
+ return 0;
+}
+
+void board_reset_pd_mcu(void)
+{
+ /*
+ * C0 & C1: TCPC is embedded in the EC and processes interrupts in the
+ * chip code (it83xx/intc.c)
+ */
+}
+
+void board_set_charge_limit(int port, int supplier, int charge_ma,
+ int max_ma, int charge_mv)
+{
+ charge_set_input_current_limit(
+ MAX(charge_ma, CONFIG_CHARGER_INPUT_CURRENT), charge_mv);
+}
+
+void board_pd_vconn_ctrl(int port, enum usbpd_cc_pin cc_pin, int enabled)
+{
+ /*
+ * We ignore the cc_pin and PPC vconn because polarity and PPC vconn
+ * should already be set correctly in the PPC driver via the pd
+ * state machine.
+ */
+}
+
+int board_set_active_charge_port(int port)
+{
+ int i;
+ int is_valid_port = port == 0 || (port == 1 && board_get_sub_board() ==
+ SUB_BOARD_TYPEC);
+
+ if (!is_valid_port && port != CHARGE_PORT_NONE)
+ return EC_ERROR_INVAL;
+
+ if (port == CHARGE_PORT_NONE) {
+ CPRINTS("Disabling all charger ports");
+
+ /* Disable all ports. */
+ for (i = 0; i < ppc_cnt; i++) {
+ /*
+ * Do not return early if one fails otherwise we can
+ * get into a boot loop assertion failure.
+ */
+ if (ppc_vbus_sink_enable(i, 0))
+ CPRINTS("Disabling C%d as sink failed.", i);
+ }
+
+ return EC_SUCCESS;
+ }
+
+ /* Check if the port is sourcing VBUS. */
+ if (ppc_is_sourcing_vbus(port)) {
+ CPRINTS("Skip enable C%d", port);
+ return EC_ERROR_INVAL;
+ }
+
+ CPRINTS("New charge port: C%d", port);
+
+ /*
+ * Turn off the other ports' sink path FETs, before enabling the
+ * requested charge port.
+ */
+ for (i = 0; i < ppc_cnt; i++) {
+ if (i == port)
+ continue;
+
+ if (ppc_vbus_sink_enable(i, 0))
+ CPRINTS("C%d: sink path disable failed.", i);
+ }
+
+ /* Enable requested charge port. */
+ if (ppc_vbus_sink_enable(port, 1)) {
+ CPRINTS("C%d: sink path enable failed.", port);
+ return EC_ERROR_UNKNOWN;
+ }
+
+ return EC_SUCCESS;
+}
+
+/**
+ * Handle PS185 HPD changing state.
+ */
+int debounced_hpd;
+
+static void ps185_hdmi_hpd_deferred(void)
+{
+ const int new_hpd = gpio_get_level(GPIO_PS185_EC_DP_HPD);
+
+ /* HPD status not changed, probably a glitch, just return. */
+ if (debounced_hpd == new_hpd)
+ return;
+
+ debounced_hpd = new_hpd;
+
+ gpio_set_level(GPIO_EC_AP_DP_HPD_ODL, !debounced_hpd);
+ CPRINTS(debounced_hpd ? "HDMI plug" : "HDMI unplug");
+}
+DECLARE_DEFERRED(ps185_hdmi_hpd_deferred);
+
+#define PS185_HPD_DEBOUCE 250
+
+static void hdmi_hpd_interrupt(enum gpio_signal signal)
+{
+ hook_call_deferred(&ps185_hdmi_hpd_deferred_data, PS185_HPD_DEBOUCE);
+}
+
+/* HDMI/TYPE-C function shared subboard interrupt */
+void x_ec_interrupt(enum gpio_signal signal)
+{
+ int sub = board_get_sub_board();
+
+ if (sub == SUB_BOARD_TYPEC)
+ /* C1: PPC interrupt */
+ syv682x_interrupt(1);
+ else if (sub == SUB_BOARD_HDMI)
+ hdmi_hpd_interrupt(signal);
+ else
+ CPRINTS("Undetected subboard interrupt.");
+}
+
+int ppc_get_alert_status(int port)
+{
+ if (port == 0)
+ return gpio_get_level(GPIO_USB_C0_PPC_BC12_INT_ODL) == 0;
+ if (port == 1 && board_get_sub_board() == SUB_BOARD_TYPEC)
+ return gpio_get_level(GPIO_USB_C1_PPC_INT_ODL) == 0;
+
+ return 0;
+}
+
+#ifdef CONFIG_USB_PD_VBUS_MEASURE_ADC_EACH_PORT
+enum adc_channel board_get_vbus_adc(int port)
+{
+ if (port == 0)
+ return ADC_VBUS_C0;
+ if (port == 1)
+ return ADC_VBUS_C1;
+ CPRINTSUSB("Unknown vbus adc port id: %d", port);
+ return ADC_VBUS_C0;
+}
+#endif /* CONFIG_USB_PD_VBUS_MEASURE_ADC_EACH_PORT */