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/* Copyright 2020 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.
*/
/* Guybrush board-specific configuration */
#include "button.h"
#include "common.h"
#include "driver/accelgyro_bmi_common.h"
#include "driver/accelgyro_bmi160.h"
#include "driver/retimer/ps8818.h"
#include "extpower.h"
#include "gpio.h"
#include "hooks.h"
#include "lid_switch.h"
#include "power.h"
#include "power_button.h"
#include "switch.h"
#include "tablet_mode.h"
#include "usb_mux.h"
#include "gpio_list.h" /* Must come after other header files. */
/* Lid Sensor mutex */
static struct mutex g_base_mutex;
/* Lid accel private data */
static struct bmi_drv_data_t g_bmi160_data;
/* Matrix to rotate accelrator into standard reference frame */
const mat33_fp_t base_standard_ref = {
{ 0, FLOAT_TO_FP(-1), 0},
{ FLOAT_TO_FP(1), 0, 0},
{ 0, 0, FLOAT_TO_FP(1)}
};
struct motion_sensor_t motion_sensors[] = {
[BASE_ACCEL] = {
.name = "Base 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 = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
.rot_standard_ref = &base_standard_ref,
.min_frequency = BMI_ACCEL_MIN_FREQ,
.max_frequency = BMI_ACCEL_MAX_FREQ,
.default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs */
.config = {
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S0] = {
.odr = 10000 | ROUND_UP_FLAG,
.ec_rate = 100 * MSEC,
},
/* Sensor on in S3 */
[SENSOR_CONFIG_EC_S3] = {
.odr = 10000 | ROUND_UP_FLAG,
.ec_rate = 0,
},
},
},
[BASE_GYRO] = {
.name = "Base 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 = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
.default_range = 1000, /* dps */
.rot_standard_ref = &base_standard_ref,
.min_frequency = BMI_GYRO_MIN_FREQ,
.max_frequency = BMI_GYRO_MAX_FREQ,
},
};
const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
static void board_init(void)
{
/* TODO */
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
/*
* PS8818 set mux board tuning.
* Adds in board specific gain and DP lane count configuration
* TODO(b/179036200): Adjust PS8818 tuning for guybrush reference
*/
__override int board_c1_ps8818_mux_set(const struct usb_mux *me,
mux_state_t mux_state)
{
int rv = EC_SUCCESS;
/* USB specific config */
if (mux_state & USB_PD_MUX_USB_ENABLED) {
/* Boost the USB gain */
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX1EQ_10G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX2EQ_10G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX1EQ_5G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX2EQ_5G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
/* Set the RX input termination */
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_RX_PHY,
PS8818_RX_INPUT_TERM_MASK,
PS8818_RX_INPUT_TERM_112_OHM);
if (rv)
return rv;
}
/* DP specific config */
if (mux_state & USB_PD_MUX_DP_ENABLED) {
/* Boost the DP gain */
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_DPEQ_LEVEL,
PS8818_DPEQ_LEVEL_UP_MASK,
PS8818_DPEQ_LEVEL_UP_19DB);
if (rv)
return rv;
/* Enable HPD on the DB */
gpio_set_level(GPIO_USB_C1_HPD, 1);
} else {
/* Disable HPD on the DB */
gpio_set_level(GPIO_USB_C1_HPD, 0);
}
return rv;
}
void motion_interrupt(enum gpio_signal signal)
{
switch (signal) {
case GPIO_3AXIS_INT_L:
/* TODO */
break;
case GPIO_6AXIS_INT_L:
default:
bmi160_interrupt(signal);
break;
}
}
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