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/* 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.
*/
/* Gooey board-specific configuration */
#include "adc_chip.h"
#include "button.h"
#include "charge_manager.h"
#include "charge_state_v2.h"
#include "charger.h"
#include "driver/accel_lis2dw12.h"
#include "driver/accelgyro_lsm6dsm.h"
#include "driver/bc12/pi3usb9201.h"
#include "driver/charger/isl923x.h"
#include "driver/temp_sensor/thermistor.h"
#include "driver/tcpm/raa489000.h"
#include "driver/tcpm/tcpci.h"
#include "driver/usb_mux/it5205.h"
#include "gpio.h"
#include "hooks.h"
#include "intc.h"
#include "keyboard_scan.h"
#include "lid_switch.h"
#include "power.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "switch.h"
#include "system.h"
#include "tablet_mode.h"
#include "task.h"
#include "tcpm/tcpci.h"
#include "temp_sensor.h"
#include "uart.h"
#include "usb_charge.h"
#include "usb_mux.h"
#include "usb_pd.h"
#include "usb_pd_tcpm.h"
#define CPRINTUSB(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define INT_RECHECK_US 5000
/* C0 interrupt line shared by BC 1.2 and charger */
static void check_c0_line(void);
DECLARE_DEFERRED(check_c0_line);
static void hdmi_hpd_interrupt(enum gpio_signal s)
{
gpio_set_level(GPIO_USB_C1_DP_HPD, !gpio_get_level(s));
}
static void notify_c0_chips(void)
{
/*
* The interrupt line is shared between the TCPC and BC 1.2 detection
* chip. Therefore we'll need to check both ICs.
*/
schedule_deferred_pd_interrupt(0);
task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12);
}
static void check_c0_line(void)
{
/*
* If line is still being held low, see if there's more to process from
* one of the chips
*/
if (!gpio_get_level(GPIO_USB_C0_INT_ODL)) {
notify_c0_chips();
hook_call_deferred(&check_c0_line_data, INT_RECHECK_US);
}
}
static void usb_c0_interrupt(enum gpio_signal s)
{
/* Cancel any previous calls to check the interrupt line */
hook_call_deferred(&check_c0_line_data, -1);
/* Notify all chips using this line that an interrupt came in */
notify_c0_chips();
/* Check the line again in 5ms */
hook_call_deferred(&check_c0_line_data, INT_RECHECK_US);
}
static void c0_ccsbu_ovp_interrupt(enum gpio_signal s)
{
cprints(CC_USBPD, "C0: CC OVP, SBU OVP, or thermal event");
pd_handle_cc_overvoltage(0);
}
/**
* Deferred function to handle pen detect change
*/
static void pendetect_deferred(void)
{
static int debounced_pen_detect;
int pen_detect = !gpio_get_level(GPIO_PEN_DET_ODL);
if (pen_detect == debounced_pen_detect)
return;
debounced_pen_detect = pen_detect;
gpio_set_level(GPIO_EN_PP5000_PEN, debounced_pen_detect);
gpio_set_level(GPIO_PEN_DET_PCH, !debounced_pen_detect);
}
DECLARE_DEFERRED(pendetect_deferred);
void pen_detect_interrupt(enum gpio_signal s)
{
/* Trigger deferred notification of pen detect change */
hook_call_deferred(&pendetect_deferred_data,
500 * MSEC);
}
void board_hibernate(void)
{
/*
* Charger IC need to be put into their "low power mode" before
* entering the Z-state.
*/
raa489000_hibernate(0, false);
}
/* Must come after other header files and interrupt handler declarations */
#include "gpio_list.h"
/* ADC channels */
const struct adc_t adc_channels[] = {
[ADC_VSNS_PP3300_A] = {
.name = "PP3300_A_PGOOD",
.factor_mul = ADC_MAX_MVOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
.channel = CHIP_ADC_CH0
},
[ADC_TEMP_SENSOR_1] = {
.name = "TEMP_SENSOR1",
.factor_mul = ADC_MAX_MVOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
.channel = CHIP_ADC_CH2
},
[ADC_TEMP_SENSOR_2] = {
.name = "TEMP_SENSOR2",
.factor_mul = ADC_MAX_MVOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
.channel = CHIP_ADC_CH3
},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
/* BC 1.2 chips */
const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = {
{
.i2c_port = I2C_PORT_USB_C0,
.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
.flags = PI3USB9201_ALWAYS_POWERED,
},
};
/* Charger chips */
const struct charger_config_t chg_chips[] = {
{
.i2c_port = I2C_PORT_USB_C0,
.i2c_addr_flags = ISL923X_ADDR_FLAGS,
.drv = &isl923x_drv,
},
};
/* TCPCs */
const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = {
{
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = I2C_PORT_USB_C0,
.addr_flags = RAA489000_TCPC0_I2C_FLAGS,
},
.flags = TCPC_FLAGS_TCPCI_REV2_0,
.drv = &raa489000_tcpm_drv,
},
};
/* USB Muxes */
const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = {
{
.usb_port = 0,
.i2c_port = I2C_PORT_USB_C0,
.i2c_addr_flags = IT5205_I2C_ADDR1_FLAGS,
.driver = &it5205_usb_mux_driver,
},
};
/* USB-A charging control */
const int usb_port_enable[USB_PORT_COUNT] = {
GPIO_EN_USB_A0_VBUS,
};
void board_init(void)
{
gpio_enable_interrupt(GPIO_USB_C0_INT_ODL);
gpio_enable_interrupt(GPIO_USB_C0_CCSBU_OVP_ODL);
/* Enable gpio interrupt for base accelgyro sensor */
gpio_enable_interrupt(GPIO_BASE_SIXAXIS_INT_L);
gpio_enable_interrupt(GPIO_HDMI_HPD_SUB_ODL);
/* Enable gpio interrupt for pen detect */
gpio_enable_interrupt(GPIO_PEN_DET_ODL);
/* Make sure pen detection is triggered or not at sysjump */
if (!gpio_get_level(GPIO_PEN_DET_ODL))
gpio_set_level(GPIO_EN_PP5000_PEN, 1);
if (gpio_get_level(GPIO_PEN_DET_ODL))
gpio_set_level(GPIO_PEN_DET_PCH, 1);
/* Set LEDs luminance */
pwm_set_duty(PWM_CH_LED_RED, 70);
pwm_set_duty(PWM_CH_LED_GREEN, 70);
pwm_set_duty(PWM_CH_LED_WHITE, 70);
/*
* If interrupt lines are already low, schedule them to be processed
* after inits are completed.
*/
if (!gpio_get_level(GPIO_USB_C0_INT_ODL))
hook_call_deferred(&check_c0_line_data, 0);
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
void board_reset_pd_mcu(void)
{
/*
* Nothing to do. TCPC C0 is internal, TCPC C1 reset pin is not
* connected to the EC.
*/
}
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
int regval;
/*
* The interrupt line is shared between the TCPC and BC1.2 detector IC.
* Therefore, go out and actually read the alert registers to report the
* alert status.
*/
if (!gpio_get_level(GPIO_USB_C0_INT_ODL)) {
if (!tcpc_read16(0, TCPC_REG_ALERT, ®val)) {
/* The TCPCI Rev 1.0 spec says to ignore bits 14:12. */
if (!(tcpc_config[0].flags & TCPC_FLAGS_TCPCI_REV2_0))
regval &= ~((1 << 14) | (1 << 13) | (1 << 12));
if (regval)
status |= PD_STATUS_TCPC_ALERT_0;
}
}
return status;
}
void board_set_charge_limit(int port, int supplier, int charge_ma, int max_ma,
int charge_mv)
{
int icl = MAX(charge_ma, CONFIG_CHARGER_INPUT_CURRENT);
/*
* b/147463641: The charger IC seems to overdraw ~4%, therefore we
* reduce our target accordingly.
*/
icl = icl * 96 / 100;
charge_set_input_current_limit(icl, charge_mv);
}
__override void typec_set_source_current_limit(int port, enum tcpc_rp_value rp)
{
if (port < 0 || port > board_get_usb_pd_port_count())
return;
raa489000_set_output_current(port, rp);
}
int board_is_sourcing_vbus(int port)
{
int regval;
tcpc_read(port, TCPC_REG_POWER_STATUS, ®val);
return !!(regval & TCPC_REG_POWER_STATUS_SOURCING_VBUS);
}
int board_set_active_charge_port(int port)
{
if (port != 0 && port != CHARGE_PORT_NONE)
return EC_ERROR_INVAL;
CPRINTUSB("New chg p%d", port);
/* Disable all ports. */
if (port == CHARGE_PORT_NONE) {
tcpc_write(0, TCPC_REG_COMMAND,
TCPC_REG_COMMAND_SNK_CTRL_LOW);
raa489000_enable_asgate(0, false);
return EC_SUCCESS;
}
/* Check if port is sourcing VBUS. */
if (board_is_sourcing_vbus(port)) {
CPRINTUSB("Skip enable p%d", port);
return EC_ERROR_INVAL;
}
/* Enable requested charge port. */
if (raa489000_enable_asgate(port, true) ||
tcpc_write(0, TCPC_REG_COMMAND,
TCPC_REG_COMMAND_SNK_CTRL_HIGH)) {
CPRINTUSB("p%d: sink path enable failed.", port);
return EC_ERROR_UNKNOWN;
}
return EC_SUCCESS;
}
/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */
const struct pwm_t pwm_channels[] = {
[PWM_CH_KBLIGHT] = {
.channel = 0,
.flags = PWM_CONFIG_DSLEEP,
.freq_hz = 10000,
},
[PWM_CH_LED_RED] = {
.channel = 1,
.flags = PWM_CONFIG_DSLEEP | PWM_CONFIG_ACTIVE_LOW,
.freq_hz = 2400,
},
[PWM_CH_LED_GREEN] = {
.channel = 2,
.flags = PWM_CONFIG_DSLEEP | PWM_CONFIG_ACTIVE_LOW,
.freq_hz = 2400,
},
[PWM_CH_LED_WHITE] = {
.channel = 3,
.flags = PWM_CONFIG_DSLEEP | PWM_CONFIG_ACTIVE_LOW,
.freq_hz = 2400,
}
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
/* Sensor Mutexes */
static struct mutex g_lid_mutex;
static struct mutex g_base_mutex;
/* Matrices to rotate accelerometers into the standard reference. */
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)}
};
static 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)}
};
/* Sensor Data */
static struct stprivate_data g_lis2dwl_data;
static struct lsm6dsm_data lsm6dsm_data = LSM6DSM_DATA;
/* Drivers */
struct motion_sensor_t motion_sensors[] = {
[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,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = LIS2DWL_ADDR1_FLAGS,
.rot_standard_ref = &lid_standard_ref,
.default_range = 2, /* g */
.min_frequency = LIS2DW12_ODR_MIN_VAL,
.max_frequency = LIS2DW12_ODR_MAX_VAL,
.config = {
[SENSOR_CONFIG_EC_S0] = {
.odr = 12500 | ROUND_UP_FLAG,
},
[SENSOR_CONFIG_EC_S3] = {
.odr = 10000 | ROUND_UP_FLAG,
},
},
},
[BASE_ACCEL] = {
.name = "Base Accel",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_LSM6DSM,
.type = MOTIONSENSE_TYPE_ACCEL,
.location = MOTIONSENSE_LOC_BASE,
.drv = &lsm6dsm_drv,
.mutex = &g_base_mutex,
.drv_data = LSM6DSM_ST_DATA(lsm6dsm_data,
MOTIONSENSE_TYPE_ACCEL),
.int_signal = GPIO_BASE_SIXAXIS_INT_L,
.flags = MOTIONSENSE_FLAG_INT_SIGNAL,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = LSM6DSM_ADDR0_FLAGS,
.rot_standard_ref = &base_standard_ref,
.default_range = 4, /* g */
.min_frequency = LSM6DSM_ODR_MIN_VAL,
.max_frequency = LSM6DSM_ODR_MAX_VAL,
.config = {
[SENSOR_CONFIG_EC_S0] = {
.odr = 13000 | ROUND_UP_FLAG,
.ec_rate = 100 * MSEC,
},
[SENSOR_CONFIG_EC_S3] = {
.odr = 10000 | ROUND_UP_FLAG,
.ec_rate = 100 * MSEC,
},
},
},
[BASE_GYRO] = {
.name = "Base Gyro",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_LSM6DSM,
.type = MOTIONSENSE_TYPE_GYRO,
.location = MOTIONSENSE_LOC_BASE,
.drv = &lsm6dsm_drv,
.mutex = &g_base_mutex,
.drv_data = LSM6DSM_ST_DATA(lsm6dsm_data,
MOTIONSENSE_TYPE_GYRO),
.int_signal = GPIO_BASE_SIXAXIS_INT_L,
.flags = MOTIONSENSE_FLAG_INT_SIGNAL,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = LSM6DSM_ADDR0_FLAGS,
.default_range = 1000 | ROUND_UP_FLAG, /* dps */
.rot_standard_ref = &base_standard_ref,
.min_frequency = LSM6DSM_ODR_MIN_VAL,
.max_frequency = LSM6DSM_ODR_MAX_VAL,
},
};
const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
/* Thermistors */
const struct temp_sensor_t temp_sensors[] = {
[TEMP_SENSOR_1] = {.name = "Memory",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = get_temp_3v3_51k1_47k_4050b,
.idx = ADC_TEMP_SENSOR_1},
[TEMP_SENSOR_2] = {.name = "Ambient",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = get_temp_3v3_51k1_47k_4050b,
.idx = ADC_TEMP_SENSOR_2},
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
/* This callback disables keyboard when convertibles are fully open */
__override void lid_angle_peripheral_enable(int enable)
{
int chipset_in_s0 = chipset_in_state(CHIPSET_STATE_ON);
/*
* If the lid is in tablet position via other sensors,
* ignore the lid angle, which might be faulty then
* disable keyboard.
*/
if (tablet_get_mode())
enable = 0;
if (enable) {
keyboard_scan_enable(1, KB_SCAN_DISABLE_LID_ANGLE);
} else {
/*
* Ensure that the chipset is off before disabling the keyboard.
* When the chipset is on, the EC keeps the keyboard enabled and
* the AP decides whether to ignore input devices or not.
*/
if (!chipset_in_s0)
keyboard_scan_enable(0, KB_SCAN_DISABLE_LID_ANGLE);
}
}
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