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author | Dino Li <Dino.Li@ite.com.tw> | 2021-02-25 14:10:11 +0800 |
---|---|---|
committer | Commit Bot <commit-bot@chromium.org> | 2021-03-03 07:35:03 +0000 |
commit | 2694b7aa320a3651859327c0eb2f3cd0e9befb53 (patch) | |
tree | aaefec2aa6e96c2d6abbb7b7730c5df13669d5cf /board/icarus/board.c | |
parent | 09b4da98b5bc1d83237033d8d683d21f6cb0d3f2 (diff) | |
download | chrome-ec-2694b7aa320a3651859327c0eb2f3cd0e9befb53.tar.gz |
icarus: Initial EC image
Create the initial EC image for the icarus variant by copying the
jacuzzi reference board EC files into a new directory named for
the variant.
(Auto-Generated by create_initial_ec_image.sh version 1.5.0).
BUG=b:180668427
BRANCH=None
TEST=make BOARD=icarus
Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
Change-Id: I87556495d0b85c7a6b617bade3ec6433a2daa1ce
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2719403
Reviewed-by: Ting Shen <phoenixshen@chromium.org>
Reviewed-by: Eric Yilun Lin <yllin@chromium.org>
Diffstat (limited to 'board/icarus/board.c')
-rw-r--r-- | board/icarus/board.c | 543 |
1 files changed, 543 insertions, 0 deletions
diff --git a/board/icarus/board.c b/board/icarus/board.c new file mode 100644 index 0000000000..9750c83fee --- /dev/null +++ b/board/icarus/board.c @@ -0,0 +1,543 @@ +/* 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 "adc_chip.h" +#include "backlight.h" +#include "button.h" +#include "charge_manager.h" +#include "charge_ramp.h" +#include "charge_state.h" +#include "charger.h" +#include "chipset.h" +#include "common.h" +#include "console.h" +#include "driver/accel_kionix.h" +#include "driver/accelgyro_bmi_common.h" +#include "driver/accelgyro_icm_common.h" +#include "driver/accelgyro_icm426xx.h" +#include "driver/battery/max17055.h" +#include "driver/bc12/pi3usb9201.h" +#include "driver/charger/isl923x.h" +#include "driver/tcpm/fusb302.h" +#include "driver/usb_mux/it5205.h" +#include "ec_commands.h" +#include "extpower.h" +#include "gpio.h" +#include "hooks.h" +#include "host_command.h" +#include "i2c.h" +#include "i2c_bitbang.h" +#include "it8801.h" +#include "keyboard_scan.h" +#include "lid_switch.h" +#include "power.h" +#include "power_button.h" +#include "registers.h" +#include "spi.h" +#include "system.h" +#include "tablet_mode.h" +#include "task.h" +#include "tcpm/tcpm.h" +#include "timer.h" +#include "usb_charge.h" +#include "usb_mux.h" +#include "usb_pd_tcpm.h" +#include "util.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) +{ + schedule_deferred_pd_interrupt(0 /* port */); +} + +#include "gpio_list.h" + +/******************************************************************************/ +/* ADC channels. Must be in the exactly same order as in enum adc_channel. */ +const struct adc_t adc_channels[] = { + [ADC_BOARD_ID] = {"BOARD_ID", 3300, 4096, 0, STM32_AIN(10)}, + [ADC_EC_SKU_ID] = {"EC_SKU_ID", 3300, 4096, 0, STM32_AIN(8)}, +}; +BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); + +/******************************************************************************/ +/* I2C ports */ +const struct i2c_port_t i2c_ports[] = { + {"typec", 0, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, +#ifdef BOARD_JACUZZI + {"other", 1, 100, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, +#else /* Juniper */ + {"other", 1, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, +#endif +}; +const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); + +const struct i2c_port_t i2c_bitbang_ports[] = { + {"battery", 2, 100, GPIO_I2C3_SCL, GPIO_I2C3_SDA, .drv = &bitbang_drv}, +}; +const unsigned int i2c_bitbang_ports_used = ARRAY_SIZE(i2c_bitbang_ports); + +#define BC12_I2C_ADDR PI3USB9201_I2C_ADDR_3 + +/* power signal list. Must match order of enum power_signal. */ +const struct power_signal_info power_signal_list[] = { + {GPIO_AP_IN_SLEEP_L, POWER_SIGNAL_ACTIVE_LOW, "AP_IN_S3_L"}, + {GPIO_PMIC_EC_RESETB, POWER_SIGNAL_ACTIVE_HIGH, "PMIC_PWR_GOOD"}, +}; +BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); + +/* Keyboard scan setting */ +struct keyboard_scan_config keyscan_config = { + /* + * TODO(b/133200075): Tune this once we have the final performance + * out of the driver and the i2c bus. + */ + .output_settle_us = 35, + .debounce_down_us = 5 * MSEC, + .debounce_up_us = 40 * MSEC, + .scan_period_us = 10 * MSEC, + .min_post_scan_delay_us = 10 * MSEC, + .poll_timeout_us = 100 * MSEC, + .actual_key_mask = { + 0x14, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff, + 0xa4, 0xff, 0xfe, 0x55, 0xfa, 0xca /* full set */ + }, +}; + +struct ioexpander_config_t ioex_config[CONFIG_IO_EXPANDER_PORT_COUNT] = { + [0] = { + .i2c_host_port = I2C_PORT_IO_EXPANDER_IT8801, + .i2c_slave_addr = IT8801_I2C_ADDR, + .drv = &it8801_ioexpander_drv, + }, +}; + +/******************************************************************************/ +/* SPI devices */ +const struct spi_device_t spi_devices[] = { + { CONFIG_SPI_ACCEL_PORT, 2, GPIO_EC_SENSOR_SPI_NSS }, +}; +const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices); + +const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = { + { + .i2c_port = I2C_PORT_BC12, + .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS, + }, +}; + +/******************************************************************************/ +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 = FUSB302_I2C_ADDR_FLAGS, + }, + .drv = &fusb302_tcpm_drv, + }, +}; + +static void board_hpd_status(const struct usb_mux *me, + int hpd_lvl, int hpd_irq) +{ + /* + * svdm_dp_attention() did most of the work, we only need to notify + * host here. + */ + host_set_single_event(EC_HOST_EVENT_USB_MUX); +} + +const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { + { + .usb_port = 0, + .i2c_port = I2C_PORT_USB_MUX, + .i2c_addr_flags = IT5205_I2C_ADDR1_FLAGS, + .driver = &it5205_usb_mux_driver, + .hpd_update = &board_hpd_status, + }, +}; + +/* Charger config. Start i2c address at 1, update during runtime */ +struct charger_config_t chg_chips[] = { + { + .i2c_port = 1, + .i2c_addr_flags = ISL923X_ADDR_FLAGS, + .drv = &isl923x_drv, + }, +}; + +/* Board version depends on ADCs, so init i2c port after ADC */ +static void charger_config_complete(void) +{ + chg_chips[0].i2c_port = board_get_charger_i2c(); +} +DECLARE_HOOK(HOOK_INIT, charger_config_complete, HOOK_PRIO_INIT_ADC + 1); + +uint16_t tcpc_get_alert_status(void) +{ + uint16_t status = 0; + + if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL)) + status |= PD_STATUS_TCPC_ALERT_0; + + return status; +} + +static int force_discharge; + +int board_set_active_charge_port(int charge_port) +{ + CPRINTS("New chg p%d", charge_port); + + /* ignore all request when discharge mode is on */ + if (force_discharge && charge_port != CHARGE_PORT_NONE) + return EC_SUCCESS; + + switch (charge_port) { + case CHARGE_PORT_USB_C: + /* Don't charge from a source port */ + if (board_vbus_source_enabled(charge_port)) + return -1; + break; + case CHARGE_PORT_NONE: + /* + * To ensure the fuel gauge (max17055) is always powered + * even when battery is disconnected, keep VBAT rail on but + * set the charging current to minimum. + */ + charger_set_current(CHARGER_SOLO, 0); + break; + default: + panic("Invalid charge port\n"); + break; + } + + return EC_SUCCESS; +} + +void board_set_charge_limit(int port, int supplier, int charge_ma, + int max_ma, int charge_mv) +{ + charge_ma = (charge_ma * 95) / 100; + charge_set_input_current_limit(MAX(charge_ma, + CONFIG_CHARGER_INPUT_CURRENT), charge_mv); +} + +int board_discharge_on_ac(int enable) +{ + int ret, port; + + if (enable) { + port = CHARGE_PORT_NONE; + } else { + /* restore the charge port state */ + port = charge_manager_get_override(); + if (port == OVERRIDE_OFF) + port = charge_manager_get_active_charge_port(); + } + + ret = charger_discharge_on_ac(enable); + if (ret) + return ret; + + force_discharge = enable; + return board_set_active_charge_port(port); +} + +int pd_snk_is_vbus_provided(int port) +{ + /* TODO(b:138352732): read IT8801 GPIO EN_USBC_CHARGE_L */ + return EC_ERROR_UNIMPLEMENTED; +} + +void bc12_interrupt(enum gpio_signal signal) +{ + task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12); +} + +#ifndef VARIANT_KUKUI_NO_SENSORS +static void board_spi_enable(void) +{ + /* + * Pin mux spi peripheral away from emmc, since RO might have + * left them there. + */ + gpio_config_module(MODULE_SPI_FLASH, 0); + + /* Enable clocks to SPI2 module. */ + STM32_RCC_APB1ENR |= STM32_RCC_PB1_SPI2; + + /* Reset SPI2 to clear state left over from the emmc slave. */ + STM32_RCC_APB1RSTR |= STM32_RCC_PB1_SPI2; + STM32_RCC_APB1RSTR &= ~STM32_RCC_PB1_SPI2; + + /* Reinitialize spi peripheral. */ + spi_enable(&spi_devices[0], 1); + + /* Pin mux spi peripheral toward the sensor. */ + gpio_config_module(MODULE_SPI_MASTER, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_STARTUP, + board_spi_enable, + MOTION_SENSE_HOOK_PRIO - 1); + +static void board_spi_disable(void) +{ + /* Set pins to a state calming the sensor down. */ + gpio_set_flags(GPIO_EC_SENSOR_SPI_CK, GPIO_OUT_LOW); + gpio_set_level(GPIO_EC_SENSOR_SPI_CK, 0); + gpio_config_module(MODULE_SPI_MASTER, 0); + + /* Disable spi peripheral and clocks. */ + spi_enable(&spi_devices[0], 0); + STM32_RCC_APB1ENR &= ~STM32_RCC_PB1_SPI2; +} +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, + board_spi_disable, + MOTION_SENSE_HOOK_PRIO + 1); +#endif /* !VARIANT_KUKUI_NO_SENSORS */ + +static void board_init(void) +{ + /* If the reset cause is external, pulse PMIC force reset. */ + if (system_get_reset_flags() == EC_RESET_FLAG_RESET_PIN) { + gpio_set_level(GPIO_PMIC_FORCE_RESET_ODL, 0); + msleep(100); + gpio_set_level(GPIO_PMIC_FORCE_RESET_ODL, 1); + } + + /* Enable TCPC alert interrupts */ + gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); + +#ifndef VARIANT_KUKUI_NO_SENSORS + /* Enable interrupts from BMI160 sensor. */ + gpio_enable_interrupt(GPIO_ACCEL_INT_ODL); + + /* For some reason we have to do this again in case of sysjump */ + board_spi_enable(); +#endif /* !VARIANT_KUKUI_NO_SENSORS */ + + /* Enable interrupt from PMIC. */ + gpio_enable_interrupt(GPIO_PMIC_EC_RESETB); + + /* Enable BC12 interrupt */ + gpio_enable_interrupt(GPIO_BC12_EC_INT_ODL); +} +DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); + +#ifndef VARIANT_KUKUI_NO_SENSORS +/* Motion sensors */ +/* Mutexes */ +static struct mutex g_lid_mutex; +static struct mutex g_base_mutex; + +/* Rotation matrixes */ +static const mat33_fp_t base_bmi160_ref = { + {FLOAT_TO_FP(1), 0, 0}, + {0, FLOAT_TO_FP(1), 0}, + {0, 0, FLOAT_TO_FP(1)} +}; + +static const mat33_fp_t base_icm426xx_ref = { + {0, FLOAT_TO_FP(-1), 0}, + {FLOAT_TO_FP(1), 0, 0}, + {0, 0, FLOAT_TO_FP(1)} +}; + +/* sensor private data */ +static struct kionix_accel_data g_kx022_data; +static struct bmi_drv_data_t g_bmi160_data; +static struct icm_drv_data_t g_icm426xx_data; + +enum base_accelgyro_type { + BASE_GYRO_NONE = 0, + BASE_GYRO_BMI160 = 1, + BASE_GYRO_ICM426XX = 2, +}; + +struct motion_sensor_t motion_sensors[] = { + [LID_ACCEL] = { + .name = "Lid Accel", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_KX022, + .type = MOTIONSENSE_TYPE_ACCEL, + .location = MOTIONSENSE_LOC_LID, + .drv = &kionix_accel_drv, + .mutex = &g_lid_mutex, + .drv_data = &g_kx022_data, + .port = I2C_PORT_SENSORS, + .i2c_spi_addr_flags = KX022_ADDR1_FLAGS, + .rot_standard_ref = NULL, /* Identity matrix. */ + .default_range = 2, /* g, enough to calculate lid angle. */ + .config = { + /* EC use accel for angle detection */ + [SENSOR_CONFIG_EC_S0] = { + .odr = 10000 | ROUND_UP_FLAG, + }, + /* Sensor on for lid angle detection */ + [SENSOR_CONFIG_EC_S3] = { + .odr = 10000 | ROUND_UP_FLAG, + }, + }, + }, + /* + * 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 = "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 = CONFIG_SPI_ACCEL_PORT, + .i2c_spi_addr_flags = SLAVE_MK_SPI_ADDR_FLAGS(CONFIG_SPI_ACCEL_PORT), + .rot_standard_ref = &base_bmi160_ref, + .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs.*/ + .min_frequency = BMI_ACCEL_MIN_FREQ, + .max_frequency = BMI_ACCEL_MAX_FREQ, + .config = { + /* EC use accel for angle detection */ + [SENSOR_CONFIG_EC_S0] = { + .odr = 10000 | ROUND_UP_FLAG, + .ec_rate = 100 * MSEC, + }, + /* Sensor on for angle detection */ + [SENSOR_CONFIG_EC_S3] = { + .odr = 10000 | ROUND_UP_FLAG, + .ec_rate = 100 * MSEC, + }, + }, + }, + [BASE_GYRO] = { + .name = "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 = CONFIG_SPI_ACCEL_PORT, + .i2c_spi_addr_flags = SLAVE_MK_SPI_ADDR_FLAGS(CONFIG_SPI_ACCEL_PORT), + .default_range = 1000, /* dps */ + .rot_standard_ref = &base_bmi160_ref, + .min_frequency = BMI_GYRO_MIN_FREQ, + .max_frequency = BMI_GYRO_MAX_FREQ, + }, +}; +const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); + +struct motion_sensor_t icm426xx_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 = CONFIG_SPI_ACCEL_PORT, + .i2c_spi_addr_flags = SLAVE_MK_SPI_ADDR_FLAGS(CONFIG_SPI_ACCEL_PORT), + .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs.*/ + .rot_standard_ref = &base_icm426xx_ref, + .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 use accel for angle detection */ + [SENSOR_CONFIG_EC_S3] = { + .odr = 10000 | ROUND_UP_FLAG, + }, + }, +}; + +struct motion_sensor_t icm426xx_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, + .drv_data = &g_icm426xx_data, + .port = CONFIG_SPI_ACCEL_PORT, + .i2c_spi_addr_flags = SLAVE_MK_SPI_ADDR_FLAGS(CONFIG_SPI_ACCEL_PORT), + .default_range = 1000, /* dps */ + .rot_standard_ref = &base_icm426xx_ref, + .min_frequency = ICM426XX_GYRO_MIN_FREQ, + .max_frequency = ICM426XX_GYRO_MAX_FREQ, +}; + +static int base_accelgyro_config; + +void motion_interrupt(enum gpio_signal signal) +{ + switch (base_accelgyro_config) { + case BASE_GYRO_ICM426XX: + icm426xx_interrupt(signal); + break; + case BASE_GYRO_BMI160: + default: + bmi160_interrupt(signal); + break; + } +} + +static void board_detect_motionsensor(void) +{ + int val; + /* Check base accelgyro chip */ + if (base_accelgyro_config != BASE_GYRO_NONE) + return; + + icm_read8(&icm426xx_base_accel, ICM426XX_REG_WHO_AM_I, &val); + if (val == ICM426XX_CHIP_ICM40608) { + motion_sensors[BASE_ACCEL] = icm426xx_base_accel; + motion_sensors[BASE_GYRO] = icm426xx_base_gyro; + } + base_accelgyro_config = (val == ICM426XX_CHIP_ICM40608) + ? BASE_GYRO_ICM426XX : BASE_GYRO_BMI160; + CPRINTS("Base Accelgyro: %s", (val == ICM426XX_CHIP_ICM40608) + ? "ICM40608" : "BMI160"); +} +DECLARE_HOOK(HOOK_INIT, board_detect_motionsensor, HOOK_PRIO_DEFAULT); +#endif /* !VARIANT_KUKUI_NO_SENSORS */ + +/* Called on AP S5 -> S3 transition */ +static void board_chipset_startup(void) +{ + gpio_set_level(GPIO_EN_USBA_5V, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); + +/* Called on AP S3 -> S5 transition */ +static void board_chipset_shutdown(void) +{ + gpio_set_level(GPIO_EN_USBA_5V, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); + +int board_get_charger_i2c(void) +{ + /* TODO(b:138415463): confirm the bus allocation for future builds */ + return board_get_version() == 1 ? 2 : 1; +} + +int board_get_battery_i2c(void) +{ + return board_get_version() >= 1 ? 2 : 1; +} |