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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.
*/
/* Kingoftown board-specific configuration */
#include "adc_chip.h"
#include "button.h"
#include "extpower.h"
#include "driver/accel_bma2x2.h"
#include "driver/accelgyro_bmi_common.h"
#include "gpio.h"
#include "hooks.h"
#include "keyboard_scan.h"
#include "lid_switch.h"
#include "power.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "system.h"
#include "shi_chip.h"
#include "switch.h"
#include "tablet_mode.h"
#include "task.h"
#include "usbc_config.h"
#include "usbc_ppc.h"
#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
#include "gpio_list.h"
/* Keyboard scan setting */
__override struct keyboard_scan_config keyscan_config = {
/* Use 80 us, because KSO_02 passes through the H1. */
.output_settle_us = 80,
/*
* Unmask 0x08 in [0] (KSO_00/KSI_03, the new location of Search key);
* as it still uses the legacy location (KSO_01/KSI_00).
*/
.actual_key_mask = {
0x14, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff,
0xa4, 0xff, 0xfe, 0x55, 0xfa, 0xca
},
/* Other values should be the same as the default configuration. */
.debounce_down_us = 9 * MSEC,
.debounce_up_us = 30 * MSEC,
.scan_period_us = 3 * MSEC,
.min_post_scan_delay_us = 1000,
.poll_timeout_us = 100 * MSEC,
};
/* I2C port map */
const struct i2c_port_t i2c_ports[] = {
{"power", I2C_PORT_POWER, 100, GPIO_EC_I2C_POWER_SCL,
GPIO_EC_I2C_POWER_SDA},
{"tcpc0", I2C_PORT_TCPC0, 1000, GPIO_EC_I2C_USB_C0_PD_SCL,
GPIO_EC_I2C_USB_C0_PD_SDA},
{"tcpc1", I2C_PORT_TCPC1, 1000, GPIO_EC_I2C_USB_C1_PD_SCL,
GPIO_EC_I2C_USB_C1_PD_SDA},
{"eeprom", I2C_PORT_EEPROM, 400, GPIO_EC_I2C_EEPROM_SCL,
GPIO_EC_I2C_EEPROM_SDA},
{"sensor", I2C_PORT_SENSOR, 400, GPIO_EC_I2C_SENSOR_SCL,
GPIO_EC_I2C_SENSOR_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/* ADC channels */
const struct adc_t adc_channels[] = {
/* Measure VBUS through a 1/10 voltage divider */
[ADC_VBUS] = {
"VBUS",
NPCX_ADC_CH1,
ADC_MAX_VOLT * 10,
ADC_READ_MAX + 1,
0
},
/*
* Adapter current output or battery charging/discharging current (uV)
* 18x amplification on charger side.
*/
[ADC_AMON_BMON] = {
"AMON_BMON",
NPCX_ADC_CH2,
ADC_MAX_VOLT * 1000 / 18,
ADC_READ_MAX + 1,
0
},
/*
* ISL9238 PSYS output is 1.44 uA/W over 5.6K resistor, to read
* 0.8V @ 99 W, i.e. 124000 uW/mV. Using ADC_MAX_VOLT*124000 and
* ADC_READ_MAX+1 as multiplier/divider leads to overflows, so we
* only divide by 2 (enough to avoid precision issues).
*/
[ADC_PSYS] = {
"PSYS",
NPCX_ADC_CH3,
ADC_MAX_VOLT * 124000 * 2 / (ADC_READ_MAX + 1),
2,
0
},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
const struct pwm_t pwm_channels[] = {
[PWM_CH_KBLIGHT] = { .channel = 3, .flags = 0, .freq = 10000 },
/* TODO(waihong): Assign a proper frequency. */
[PWM_CH_DISPLIGHT] = { .channel = 5, .flags = 0, .freq = 4800 },
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
/* Initialize board. */
static void board_init(void)
{
/* Enable interrupt for BMI160 sensor */
gpio_enable_interrupt(GPIO_ACCEL_GYRO_INT_L);
/* Set the backlight duty cycle to 0. AP will override it later. */
pwm_set_duty(PWM_CH_DISPLIGHT, 0);
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
/* Called on AP S0 -> S3 transition */
static void board_chipset_suspend(void)
{
/*
* Turn off display backlight in S3. AP has its own control. The EC's
* and the AP's will be AND'ed together in hardware.
*/
gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0);
pwm_enable(PWM_CH_DISPLIGHT, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT);
/* Called on AP S3 -> S0 transition */
static void board_chipset_resume(void)
{
/* Turn on display and keyboard backlight in S0. */
gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1);
if (pwm_get_duty(PWM_CH_DISPLIGHT))
pwm_enable(PWM_CH_DISPLIGHT, 1);
}
DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT);
/* Mutexes */
static struct mutex g_base_mutex;
static struct mutex g_lid_mutex;
static struct bmi_drv_data_t g_bmi160_data;
static struct accelgyro_saved_data_t g_bma255_data;
/* Matrix to rotate accelerometer into standard reference frame */
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)}
};
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)}
};
struct motion_sensor_t motion_sensors[] = {
[LID_ACCEL] = {
.name = "Lid Accel",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_BMA255,
.type = MOTIONSENSE_TYPE_ACCEL,
.location = MOTIONSENSE_LOC_LID,
.drv = &bma2x2_accel_drv,
.mutex = &g_lid_mutex,
.drv_data = &g_bma255_data,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = BMA2x2_I2C_ADDR1_FLAGS,
.rot_standard_ref = &lid_standard_ref,
.default_range = 2, /* g, to support lid angle calculation. */
.min_frequency = BMA255_ACCEL_MIN_FREQ,
.max_frequency = BMA255_ACCEL_MAX_FREQ,
.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 = "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,
.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 = {
[SENSOR_CONFIG_EC_S0] = {
.odr = 10000 | ROUND_UP_FLAG,
},
/* Sensor on for lid angle detection */
[SENSOR_CONFIG_EC_S3] = {
.odr = 10000 | ROUND_UP_FLAG,
},
},
},
[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 = 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);
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