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/* 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.
*/
#include "adc.h"
#include "adc_chip.h"
#include "backlight.h"
#include "button.h"
#include "charge_manager.h"
#include "charge_state.h"
#include "charger.h"
#include "chipset.h"
#include "common.h"
#include "console.h"
#include "ec_commands.h"
#include "driver/accelgyro_bmi160.h"
#include "driver/charger/rt946x.h"
#include "driver/sync.h"
#include "driver/tcpm/fusb302.h"
#include "driver/temp_sensor/tmp432.h"
#include "extpower.h"
#include "gpio.h"
#include "hooks.h"
#include "host_command.h"
#include "i2c.h"
#include "power.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "registers.h"
#include "spi.h"
#include "switch.h"
#include "system.h"
#include "task.h"
#include "tcpm.h"
#include "temp_sensor.h"
#include "temp_sensor_chip.h"
#include "timer.h"
#include "thermal.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)
{
#ifdef HAS_TASK_PDCMD
/* Exchange status with TCPCs */
host_command_pd_send_status(PD_CHARGE_NO_CHANGE);
#endif
}
static void overtemp_interrupt(enum gpio_signal signal)
{
CPRINTS("AP wants shutdown");
chipset_force_shutdown();
}
static void warm_reset_request_interrupt(enum gpio_signal signal)
{
CPRINTS("AP wants warm reset");
chipset_reset(0);
}
#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)},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
/******************************************************************************/
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
{"charger", I2C_PORT_CHARGER, 400, GPIO_I2C0_SCL, GPIO_I2C0_SDA},
{"tcpc0", I2C_PORT_TCPC0, 1000, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/* power signal list. Must match order of enum power_signal. */
const struct power_signal_info power_signal_list[] = {
{GPIO_PP1250_S3_PG, POWER_SIGNAL_ACTIVE_HIGH, "PP1250_S3_PWR_GOOD"},
{GPIO_PP900_S0_PG, POWER_SIGNAL_ACTIVE_HIGH, "PP900_S0_PWR_GOOD"},
{GPIO_AP_CORE_PG, POWER_SIGNAL_ACTIVE_HIGH, "AP_PWR_GOOD"},
{GPIO_AP_EC_S3_S0_L, POWER_SIGNAL_ACTIVE_LOW, "SUSPEND_DEASSERTED"},
};
BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
#ifdef CONFIG_TEMP_SENSOR_TMP432
/* Temperature sensors data; must be in same order as enum temp_sensor_id. */
const struct temp_sensor_t temp_sensors[] = {
{"TMP432_Internal", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val,
TMP432_IDX_LOCAL, 4},
{"TMP432_Sensor_1", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val,
TMP432_IDX_REMOTE1, 4},
{"TMP432_Sensor_2", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val,
TMP432_IDX_REMOTE2, 4},
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
/*
* Thermal limits for each temp sensor. All temps are in degrees K. Must be in
* same order as enum temp_sensor_id. To always ignore any temp, use 0.
*/
struct ec_thermal_config thermal_params[] = {
{{0, 0, 0}, 0, 0}, /* TMP432_Internal */
{{0, 0, 0}, 0, 0}, /* TMP432_Sensor_1 */
{{0, 0, 0}, 0, 0}, /* TMP432_Sensor_2 */
};
BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT);
#endif
/******************************************************************************/
/* SPI devices */
const struct spi_device_t spi_devices[] = {
{ CONFIG_SPI_ACCEL_PORT, 1, GPIO_SPI_ACCEL_CS_L },
};
const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices);
/******************************************************************************/
const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = {
{I2C_PORT_TCPC0, FUSB302_I2C_SLAVE_ADDR, &fusb302_tcpm_drv},
};
struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = {
{
.port_addr = 0,
.driver = &virtual_usb_mux_driver,
.hpd_update = &virtual_hpd_update,
},
};
void board_reset_pd_mcu(void)
{
}
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
if (!gpio_get_level(GPIO_USB_C0_PD_INT_L))
status |= PD_STATUS_TCPC_ALERT_0;
return status;
}
int board_set_active_charge_port(int charge_port)
{
CPRINTS("New chg p%d", charge_port);
switch (charge_port) {
case 0:
/* 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(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 extpower_is_present(void)
{
/*
* The charger will indicate VBUS presence if we're sourcing 5V,
* so exclude such ports.
*/
if (board_vbus_source_enabled(0))
return 0;
else
return tcpm_get_vbus_level(0);
}
int pd_snk_is_vbus_provided(int port)
{
if (port)
panic("Invalid charge port\n");
return rt946x_is_vbus_ready();
}
static void board_spi_enable(void)
{
gpio_config_module(MODULE_SPI_MASTER, 1);
/* Enable clocks to SPI2 module */
STM32_RCC_APB1ENR |= STM32_RCC_PB1_SPI2;
/* Reset SPI2 */
STM32_RCC_APB1RSTR |= STM32_RCC_PB1_SPI2;
STM32_RCC_APB1RSTR &= ~STM32_RCC_PB1_SPI2;
spi_enable(CONFIG_SPI_ACCEL_PORT, 1);
}
DECLARE_HOOK(HOOK_CHIPSET_STARTUP,
board_spi_enable,
MOTION_SENSE_HOOK_PRIO - 1);
static void board_spi_disable(void)
{
spi_enable(CONFIG_SPI_ACCEL_PORT, 0);
/* Disable clocks to SPI2 module */
STM32_RCC_APB1ENR &= ~STM32_RCC_PB1_SPI2;
gpio_config_module(MODULE_SPI_MASTER, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN,
board_spi_disable,
MOTION_SENSE_HOOK_PRIO + 1);
static void board_init(void)
{
/* Enable TCPC alert interrupts */
gpio_enable_interrupt(GPIO_USB_C0_PD_INT_L);
/* Enable reboot / shutdown control inputs from AP */
gpio_enable_interrupt(GPIO_WARM_RESET_REQ);
gpio_enable_interrupt(GPIO_AP_OVERTEMP);
/* Enable interrupts from BMI160 sensor. */
gpio_enable_interrupt(GPIO_ACCEL_INT_L);
/* Enable interrupt for the camera vsync. */
gpio_enable_interrupt(GPIO_SYNC_INT);
/* Set SPI2 pins to high speed */
/* pins D0/D1/D3/D4 */
STM32_GPIO_OSPEEDR(GPIO_D) |= 0x000003cf;
/* Sensor Init */
if (system_jumped_to_this_image() && chipset_in_state(CHIPSET_STATE_ON))
board_spi_enable();
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
void board_config_pre_init(void)
{
STM32_RCC_AHBENR |= STM32_RCC_HB_DMA1;
/*
* Remap USART1 and SPI2 DMA:
*
* Ch4: USART1_TX / Ch5: USART1_RX
* Ch6: SPI2_RX / Ch7: SPI2_TX
*/
STM32_DMA_CSELR(STM32_DMAC_CH4) = (1 << 15) | (1 << 19) |
(1 << 20) | (1 << 21) |
(1 << 24) | (1 << 25);
}
enum scarlet_board_version {
BOARD_VERSION_UNKNOWN = -1,
BOARD_VERSION_REV0 = 0,
BOARD_VERSION_REV1 = 1,
BOARD_VERSION_REV2 = 2,
BOARD_VERSION_REV3 = 3,
BOARD_VERSION_REV4 = 4,
BOARD_VERSION_REV5 = 5,
BOARD_VERSION_REV6 = 6,
BOARD_VERSION_REV7 = 7,
BOARD_VERSION_REV8 = 8,
BOARD_VERSION_REV9 = 9,
BOARD_VERSION_REV10 = 10,
BOARD_VERSION_REV11 = 11,
BOARD_VERSION_REV12 = 12,
BOARD_VERSION_REV13 = 13,
BOARD_VERSION_REV14 = 14,
BOARD_VERSION_REV15 = 15,
BOARD_VERSION_COUNT,
};
struct {
enum scarlet_board_version version;
int expect_mv;
} const scarlet_boards[] = {
{ BOARD_VERSION_REV0, 109 }, /* 51.1K , 2.2K(gru 3.3K) ohm */
{ BOARD_VERSION_REV1, 211 }, /* 51.1k , 6.8K ohm */
{ BOARD_VERSION_REV2, 319 }, /* 51.1K , 11K ohm */
{ BOARD_VERSION_REV3, 427 }, /* 56K , 17.4K ohm */
{ BOARD_VERSION_REV4, 542 }, /* 51.1K , 22K ohm */
{ BOARD_VERSION_REV5, 666 }, /* 51.1K , 30K ohm */
{ BOARD_VERSION_REV6, 781 }, /* 51.1K , 39.2K ohm */
{ BOARD_VERSION_REV7, 900 }, /* 56K , 56K ohm */
{ BOARD_VERSION_REV8, 1023 }, /* 47K , 61.9K ohm */
{ BOARD_VERSION_REV9, 1137 }, /* 47K , 80.6K ohm */
{ BOARD_VERSION_REV10, 1240 }, /* 56K , 124K ohm */
{ BOARD_VERSION_REV11, 1343 }, /* 51.1K , 150K ohm */
{ BOARD_VERSION_REV12, 1457 }, /* 47K , 200K ohm */
{ BOARD_VERSION_REV13, 1576 }, /* 47K , 330K ohm */
{ BOARD_VERSION_REV14, 1684 }, /* 47K , 680K ohm */
{ BOARD_VERSION_REV15, 1800 }, /* 56K , NC */
};
BUILD_ASSERT(ARRAY_SIZE(scarlet_boards) == BOARD_VERSION_COUNT);
#define THRESHOLD_MV 56 /* Simply assume 1800/16/2 */
int board_get_version(void)
{
static int version = BOARD_VERSION_UNKNOWN;
int mv;
int i;
if (version != BOARD_VERSION_UNKNOWN)
return version;
gpio_set_level(GPIO_EC_BOARD_ID_EN_L, 0);
/* Wait to allow cap charge */
msleep(10);
mv = adc_read_channel(ADC_BOARD_ID);
if (mv == ADC_READ_ERROR)
mv = adc_read_channel(ADC_BOARD_ID);
gpio_set_level(GPIO_EC_BOARD_ID_EN_L, 1);
for (i = 0; i < BOARD_VERSION_COUNT; ++i) {
if (mv < scarlet_boards[i].expect_mv + THRESHOLD_MV) {
version = scarlet_boards[i].version;
break;
}
}
/*
* Disable ADC module after we detect the board version,
* since this is the only thing ADC module needs to do
* for this board.
*/
if (version != BOARD_VERSION_UNKNOWN)
adc_disable();
return version;
}
/* Motion sensors */
#ifdef HAS_TASK_MOTIONSENSE
/* 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 matrix_3x3_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.
*/
[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_base_mutex,
.drv_data = &g_bmi160_data,
.port = CONFIG_SPI_ACCEL_PORT,
.addr = BMI160_SET_SPI_ADDRESS(CONFIG_SPI_ACCEL_PORT),
.rot_standard_ref = &base_standard_ref,
.default_range = 4, /* g */
.min_frequency = BMI160_ACCEL_MIN_FREQ,
.max_frequency = BMI160_ACCEL_MAX_FREQ,
.config = {
/* AP: by default use EC settings */
[SENSOR_CONFIG_AP] = {
.odr = 0,
.ec_rate = 0,
},
/* Enable accel in S0 */
[SENSOR_CONFIG_EC_S0] = {
.odr = 10000 | ROUND_UP_FLAG,
.ec_rate = 100 * MSEC,
},
/* Sensor off in S3/S5 */
[SENSOR_CONFIG_EC_S3] = {
.odr = 0,
.ec_rate = 0,
},
/* Sensor off in S3/S5 */
[SENSOR_CONFIG_EC_S5] = {
.odr = 0,
.ec_rate = 0
},
},
},
[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_base_mutex,
.drv_data = &g_bmi160_data,
.port = CONFIG_SPI_ACCEL_PORT,
.addr = BMI160_SET_SPI_ADDRESS(CONFIG_SPI_ACCEL_PORT),
.default_range = 1000, /* dps */
.rot_standard_ref = &base_standard_ref,
.min_frequency = BMI160_GYRO_MIN_FREQ,
.max_frequency = BMI160_GYRO_MAX_FREQ,
.config = {
/* AP: by default shutdown all sensors */
[SENSOR_CONFIG_AP] = {
.odr = 0,
.ec_rate = 0,
},
/* Enable gyro in S0 */
[SENSOR_CONFIG_EC_S0] = {
.odr = 0,
.ec_rate = 100 * MSEC,
},
/* Sensor off in S3/S5 */
[SENSOR_CONFIG_EC_S3] = {
.odr = 0,
.ec_rate = 0,
},
/* Sensor off in S3/S5 */
[SENSOR_CONFIG_EC_S5] = {
.odr = 0,
.ec_rate = 0,
},
},
},
[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,
.config = {
/* AP: by default shutdown all sensors */
[SENSOR_CONFIG_AP] = {
.odr = 0,
.ec_rate = 0,
},
/* EC does not need in S0 */
[SENSOR_CONFIG_EC_S0] = {
.odr = 0,
.ec_rate = 0,
},
/* Sensor off in S3/S5 */
[SENSOR_CONFIG_EC_S3] = {
.odr = 0,
.ec_rate = 0,
},
/* Sensor off in S3/S5 */
[SENSOR_CONFIG_EC_S5] = {
.odr = 0,
.ec_rate = 0,
},
},
},
};
const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
#endif /* defined(HAS_TASK_MOTIONSENSE) */
int board_allow_i2c_passthru(int port)
{
return (port == I2C_PORT_VIRTUAL_BATTERY);
}
int tablet_get_mode(void)
{
/* Always in tablet mode */
return 1;
}
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