diff options
Diffstat (limited to 'board/kodama/board.c')
| -rw-r--r-- | board/kodama/board.c | 526 |
1 files changed, 526 insertions, 0 deletions
diff --git a/board/kodama/board.c b/board/kodama/board.c new file mode 100644 index 0000000000..eb7c327432 --- /dev/null +++ b/board/kodama/board.c @@ -0,0 +1,526 @@ +/* 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. + */ + +#include "adc.h" +#include "adc_chip.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/accelgyro_bmi160.h" +#include "driver/als_tcs3400.h" +#include "driver/bc12/pi3usb9201.h" +#include "driver/charger/rt946x.h" +#include "driver/sync.h" +#include "driver/tcpm/mt6370.h" +#include "extpower.h" +#include "gpio.h" +#include "hooks.h" +#include "host_command.h" +#include "i2c.h" +#include "lid_switch.h" +#include "power.h" +#include "power_button.h" +#include "pwm.h" +#include "pwm_chip.h" +#include "registers.h" +#include "spi.h" +#include "system.h" +#include "task.h" +#include "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 */); +} + +static void gauge_interrupt(enum gpio_signal signal) +{ + task_wake(TASK_ID_CHARGER); +} + +#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)}, + [ADC_BATT_ID] = {"BATT_ID", 3300, 4096, 0, STM32_AIN(7)}, + [ADC_POGO_ADC_INT_L] = {"POGO_ADC_INT_L", 3300, 4096, 0, STM32_AIN(6)}, +}; +BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); + +/******************************************************************************/ +/* I2C ports */ +const struct i2c_port_t i2c_ports[] = { + {"charger", I2C_PORT_CHARGER, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, + {"tcpc0", I2C_PORT_TCPC0, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, + {"battery", I2C_PORT_BATTERY, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, + {"accelgyro", I2C_PORT_ACCEL, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, + {"bc12", I2C_PORT_BC12, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, + {"als", I2C_PORT_ALS, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, +}; +const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); + +#define BC12_I2C_ADDR_FLAGS PI3USB9201_I2C_ADDR_3_FLAGS + +/* 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); + +/******************************************************************************/ +/* SPI devices */ +const struct spi_device_t spi_devices[] = { +}; +const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices); + +/******************************************************************************/ +const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = { + { + .bus_type = EC_BUS_TYPE_I2C, + .i2c_info = { + .port = I2C_PORT_TCPC0, + .addr_flags = MT6370_TCPC_I2C_ADDR_FLAGS, + }, + .drv = &mt6370_tcpm_drv, + }, +}; + +struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { + { + .driver = &virtual_usb_mux_driver, + .hpd_update = &virtual_hpd_update, + }, +}; + +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 void board_pogo_charge_init(void) +{ + int i; + + /* Initialize all charge suppliers to 0 */ + for (i = 0; i < CHARGE_SUPPLIER_COUNT; i++) + charge_manager_update_charge(i, CHARGE_PORT_POGO, NULL); +} +DECLARE_HOOK(HOOK_INIT, board_pogo_charge_init, + HOOK_PRIO_CHARGE_MANAGER_INIT + 1); + +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) + 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; + gpio_set_level(GPIO_EN_POGO_CHARGE_L, 1); + gpio_set_level(GPIO_EN_USBC_CHARGE_L, 0); + break; + case CHARGE_PORT_POGO: + gpio_set_level(GPIO_EN_USBC_CHARGE_L, 1); + gpio_set_level(GPIO_EN_POGO_CHARGE_L, 0); + 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. + */ + gpio_set_level(GPIO_EN_POGO_CHARGE_L, 1); + gpio_set_level(GPIO_EN_USBC_CHARGE_L, 1); + charger_set_current(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_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 = board_set_active_charge_port(port); + if (ret) + return ret; + force_discharge = enable; + + return charger_discharge_on_ac(enable); +} + +int extpower_is_present(void) +{ + /* + * The charger will indicate VBUS presence if we're sourcing 5V, + * so exclude such ports. + */ + int usb_c_extpower_present; + + if (board_vbus_source_enabled(CHARGE_PORT_USB_C)) + usb_c_extpower_present = 0; + else + usb_c_extpower_present = tcpm_get_vbus_level(CHARGE_PORT_USB_C); + + return usb_c_extpower_present || gpio_get_level(GPIO_POGO_VBUS_PRESENT); +} + +int pd_snk_is_vbus_provided(int port) +{ + if (port) + panic("Invalid charge port\n"); + + return rt946x_is_vbus_ready(); +} + +#if defined(BOARD_KUKUI) || defined(BOARD_KODAMA) +/* dummy interrupt function for kukui */ +void pogo_adc_interrupt(enum gpio_signal signal) +{ +} +#endif + +static void board_init(void) +{ + /* If the reset cause is external, pulse PMIC force reset. */ + if (system_get_reset_flags() == RESET_FLAG_RESET_PIN) { + gpio_set_level(GPIO_PMIC_FORCE_RESET_ODL, 0); + msleep(100); + gpio_set_level(GPIO_PMIC_FORCE_RESET_ODL, 1); + } + + /* Set SPI1 PB13/14/15 pins to high speed */ + STM32_GPIO_OSPEEDR(GPIO_B) |= 0xfc000000; + + /* Enable TCPC alert interrupts */ + gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); + + /* Enable charger interrupts */ + gpio_enable_interrupt(GPIO_CHARGER_INT_ODL); + +#ifdef SECTION_IS_RW + /* Enable interrupts from BMI160 sensor. */ + gpio_enable_interrupt(GPIO_ACCEL_INT_ODL); + + /* Enable interrupt for the camera vsync. */ + gpio_enable_interrupt(GPIO_SYNC_INT); +#endif /* SECTION_IS_RW */ + + /* Enable interrupt from PMIC. */ + gpio_enable_interrupt(GPIO_PMIC_EC_RESETB); + + /* Enable gauge interrupt from max17055 */ + gpio_enable_interrupt(GPIO_GAUGE_INT_ODL); + + /* Enable pogo interrupt */ + gpio_enable_interrupt(GPIO_POGO_ADC_INT_L); + + if (IS_ENABLED(BOARD_KRANE)) { + /* Display bias settings. */ + mt6370_db_set_voltages(6000, 5800, 5800); + + /* + * Fix backlight led maximum current: + * tolerance 120mA * 0.75 = 90mA. + * (b/133655155) + */ + mt6370_backlight_set_dim(MT6370_BLDIM_DEFAULT * 3 / 4); + } + + /* Enable pogo charging signal */ + gpio_enable_interrupt(GPIO_POGO_VBUS_PRESENT); +} +DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); + +static void board_rev_init(void) +{ + /* Board revision specific configs. */ + + /* + * It's a P1 pin BOOTBLOCK_MUX_OE, also a P2 pin BC12_DET_EN. + * Keep this pin defaults to P1 setting since that eMMC enabled with + * High-Z stat. + */ + if (IS_ENABLED(BOARD_KUKUI) && board_get_version() == 1) + gpio_set_flags(GPIO_BC12_DET_EN, GPIO_ODR_HIGH); + + if (board_get_version() >= 2) { + /* + * Enable MT6370 DB_POSVOUT/DB_NEGVOUT (controlled by _EN pins). + */ + mt6370_db_external_control(1); + } + + if (board_get_version() == 2) { + /* configure PI3USB9201 to USB Path ON Mode */ + i2c_write8(I2C_PORT_BC12, BC12_I2C_ADDR_FLAGS, + PI3USB9201_REG_CTRL_1, + (PI3USB9201_USB_PATH_ON << + PI3USB9201_REG_CTRL_1_MODE_SHIFT)); + } +} +DECLARE_HOOK(HOOK_INIT, board_rev_init, HOOK_PRIO_INIT_ADC + 1); + +/* Motion sensors */ +/* Mutexes */ +#ifdef SECTION_IS_RW +static struct mutex g_lid_mutex; + +static struct bmi160_drv_data_t g_bmi160_data; + +static struct als_drv_data_t g_tcs3400_data = { + .als_cal.scale = 1, + .als_cal.uscale = 0, + .als_cal.offset = 0, +}; + +static struct tcs3400_rgb_drv_data_t g_tcs3400_rgb_data = { + .device_scale = 1, + .device_uscale = 0, + .rgb_cal[X] = { + .scale = ALS_CHANNEL_SCALE(1), + .offset = 0, + }, + .rgb_cal[Y] = { + .scale = ALS_CHANNEL_SCALE(1), + .offset = 0, + }, + .rgb_cal[Z] = { + .scale = ALS_CHANNEL_SCALE(1), + .offset = 0, + }, +}; + +/* Matrix to rotate accelerometer into standard reference frame */ +#ifdef BOARD_KUKUI +static 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)} +}; +#else +static 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)} +}; +#endif /* BOARD_KUKUI */ + +#ifdef CONFIG_MAG_BMI160_BMM150 +/* Matrix to rotate accelrator into standard reference frame */ +static const mat33_fp_t mag_standard_ref = { + {0, FLOAT_TO_FP(-1), 0}, + {FLOAT_TO_FP(-1), 0, 0}, + {0, 0, FLOAT_TO_FP(-1)} +}; +#endif /* CONFIG_MAG_BMI160_BMM150 */ + +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. + */ + [LID_ACCEL] = { + .name = "Accel", + .active_mask = SENSOR_ACTIVE_S0_S3, + .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_ACCEL, + .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS, + .rot_standard_ref = &lid_standard_ref, + .default_range = 4, /* g */ + .min_frequency = BMI160_ACCEL_MIN_FREQ, + .max_frequency = BMI160_ACCEL_MAX_FREQ, + .config = { + /* Enable accel in S0 */ + [SENSOR_CONFIG_EC_S0] = { + .odr = 10000 | ROUND_UP_FLAG, + .ec_rate = 100 * MSEC, + }, + }, + }, + [LID_GYRO] = { + .name = "Gyro", + .active_mask = SENSOR_ACTIVE_S0_S3, + .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_ACCEL, + .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, + }, +#ifdef CONFIG_MAG_BMI160_BMM150 + [LID_MAG] = { + .name = "Lid Mag", + .active_mask = SENSOR_ACTIVE_S0_S3, + .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_ACCEL, + .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), + }, +#endif /* CONFIG_MAG_BMI160_BMM150 */ + [CLEAR_ALS] = { + .name = "Clear Light", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_TCS3400, + .type = MOTIONSENSE_TYPE_LIGHT, + .location = MOTIONSENSE_LOC_LID, + .drv = &tcs3400_drv, + .drv_data = &g_tcs3400_data, + .port = I2C_PORT_ALS, + .i2c_spi_addr_flags = TCS3400_I2C_ADDR_FLAGS, + .rot_standard_ref = NULL, + .default_range = 0x10000, /* scale = 1x, uscale = 0 */ + .min_frequency = TCS3400_LIGHT_MIN_FREQ, + .max_frequency = TCS3400_LIGHT_MAX_FREQ, + .config = { + /* Run ALS sensor in S0 */ + [SENSOR_CONFIG_EC_S0] = { + .odr = 1000, + }, + }, + }, + [RGB_ALS] = { + .name = "RGB Light", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_TCS3400, + .type = MOTIONSENSE_TYPE_LIGHT_RGB, + .location = MOTIONSENSE_LOC_LID, + .drv = &tcs3400_rgb_drv, + .drv_data = &g_tcs3400_rgb_data, + /*.port = I2C_PORT_ALS,*/ /* Unused. RGB channels read by CLEAR_ALS. */ + .rot_standard_ref = NULL, + .default_range = 0x10000, /* scale = 1x, uscale = 0 */ + .min_frequency = 0, /* 0 indicates we should not use sensor directly */ + .max_frequency = 0, /* 0 indicates we should not use sensor directly */ + }, + [VSYNC] = { + .name = "Camera vsync", + .active_mask = SENSOR_ACTIVE_S0, + .chip = MOTIONSENSE_CHIP_GPIO, + .type = MOTIONSENSE_TYPE_SYNC, + .location = MOTIONSENSE_LOC_CAMERA, + .drv = &sync_drv, + .default_range = 0, + .min_frequency = 0, + .max_frequency = 1, + }, +}; +const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); +const struct motion_sensor_t *motion_als_sensors[] = { + &motion_sensors[CLEAR_ALS], +}; +#endif /* SECTION_IS_RW */ + +void usb_charger_set_switches(int port, enum usb_switch setting) +{ +} + +/* + * Return if VBUS is sagging too low + */ +int board_is_vbus_too_low(int port, enum chg_ramp_vbus_state ramp_state) +{ + /* + * Though we have a more tolerant range (3.9V~13.4V), setting 4400 to + * prevent from a bad charger crashed. + * + * TODO(b:131284131): mt6370 VBUS reading is not accurate currently. + * Vendor will provide a workaround solution to fix the gap between ADC + * reading and actual voltage. After the workaround applied, we could + * try to raise this value to 4600. (when it says it read 4400, it is + * actually close to 4600) + */ + return charger_get_vbus_voltage(port) < 4400; +} + +int board_charge_port_is_sink(int port) +{ + /* TODO(b:128386458): Check POGO_ADC_INT_L */ + return 1; +} + +int board_charge_port_is_connected(int port) +{ + return gpio_get_level(GPIO_POGO_VBUS_PRESENT); +} + +void board_fill_source_power_info(int port, + struct ec_response_usb_pd_power_info *r) +{ + r->meas.voltage_now = 3300; + r->meas.voltage_max = 3300; + r->meas.current_max = 1500; + r->meas.current_lim = 1500; + r->max_power = r->meas.voltage_now * r->meas.current_max; +} |