361 lines
9.7 KiB
C
361 lines
9.7 KiB
C
/* Copyright 2018 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Ampton/Apel board-specific configuration */
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#include "adc.h"
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#include "adc_chip.h"
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#include "button.h"
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#include "charge_state.h"
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#include "common.h"
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#include "cros_board_info.h"
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#include "driver/accel_kionix.h"
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#include "driver/accelgyro_bmi160.h"
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#include "driver/ppc/sn5s330.h"
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#include "driver/sync.h"
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#include "driver/tcpm/it83xx_pd.h"
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#include "driver/tcpm/ps8xxx.h"
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#include "driver/usb_mux/it5205.h"
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#include "extpower.h"
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#include "gpio.h"
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#include "hooks.h"
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#include "i2c.h"
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#include "intc.h"
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#include "keyboard_scan.h"
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#include "lid_switch.h"
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#include "motion_sense.h"
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#include "power.h"
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#include "power_button.h"
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#include "spi.h"
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#include "switch.h"
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#include "system.h"
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#include "tablet_mode.h"
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#include "tcpci.h"
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#include "temp_sensor.h"
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#include "thermistor.h"
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#include "uart.h"
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#include "usb_mux.h"
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#include "usbc_ppc.h"
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#include "util.h"
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static uint8_t sku_id;
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static void ppc_interrupt(enum gpio_signal signal)
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{
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if (signal == GPIO_USB_C0_PD_INT_ODL)
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sn5s330_interrupt(0);
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else if (signal == GPIO_USB_C1_PD_INT_ODL)
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sn5s330_interrupt(1);
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}
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int ppc_get_alert_status(int port)
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{
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if (port == 0)
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return gpio_get_level(GPIO_USB_C0_PD_INT_ODL) == 0;
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else
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return gpio_get_level(GPIO_USB_C1_PD_INT_ODL) == 0;
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}
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#include "gpio_list.h" /* Must come after other header files. */
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/******************************************************************************/
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/* USB-C MUX Configuration */
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#define USB_PD_PORT_ITE_0 0
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#define USB_PD_PORT_ITE_1 1
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static int tune_mux(int port);
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struct usb_mux ampton_usb_muxes[CONFIG_USB_PD_PORT_COUNT] = {
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[USB_PD_PORT_ITE_0] = {
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/* Use PS8751 as mux only */
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.port_addr = MUX_PORT_AND_ADDR(
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I2C_PORT_USBC0, PS8751_I2C_ADDR1_FLAGS),
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.flags = USB_MUX_FLAG_NOT_TCPC,
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.driver = &ps8xxx_usb_mux_driver,
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.hpd_update = &ps8xxx_tcpc_update_hpd_status,
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.board_init = &tune_mux,
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},
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[USB_PD_PORT_ITE_1] = {
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/* Use PS8751 as mux only */
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.port_addr = MUX_PORT_AND_ADDR(
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I2C_PORT_USBC1, PS8751_I2C_ADDR1_FLAGS),
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.flags = USB_MUX_FLAG_NOT_TCPC,
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.driver = &ps8xxx_usb_mux_driver,
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.hpd_update = &ps8xxx_tcpc_update_hpd_status,
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.board_init = &tune_mux,
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}
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};
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/* Some external monitors can't display content normally (eg. ViewSonic VX2880).
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* We need to turn the mux for monitors to function normally.
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*/
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static int tune_mux(int port)
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{
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/* Auto EQ disabled, compensate for channel lost up to 3.6dB */
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mux_write(port, PS8XXX_REG_MUX_DP_EQ_CONFIGURATION, 0x98);
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/* DP output swing adjustment +15% */
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mux_write(port, PS8XXX_REG_MUX_DP_OUTPUT_CONFIGURATION, 0xc0);
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return EC_SUCCESS;
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}
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/******************************************************************************/
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/* ADC channels */
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const struct adc_t adc_channels[] = {
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/* Vbus C0 sensing (10x voltage divider). PPVAR_USB_C0_VBUS */
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[ADC_VBUS_C0] = {.name = "VBUS_C0",
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.factor_mul = 10 * ADC_MAX_MVOLT,
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.factor_div = ADC_READ_MAX + 1,
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.shift = 0,
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.channel = CHIP_ADC_CH13},
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/* Vbus C1 sensing (10x voltage divider). SUB_EC_ADC */
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[ADC_VBUS_C1] = {.name = "VBUS_C1",
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.factor_mul = 10 * ADC_MAX_MVOLT,
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.factor_div = ADC_READ_MAX + 1,
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.shift = 0,
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.channel = CHIP_ADC_CH14},
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/* Convert to raw mV for thermistor table lookup */
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[ADC_TEMP_SENSOR_AMB] = {.name = "TEMP_AMB",
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.factor_mul = ADC_MAX_MVOLT,
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.factor_div = ADC_READ_MAX + 1,
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.shift = 0,
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.channel = CHIP_ADC_CH3},
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/* Convert to raw mV for thermistor table lookup */
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[ADC_TEMP_SENSOR_CHARGER] = {.name = "TEMP_CHARGER",
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.factor_mul = ADC_MAX_MVOLT,
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.factor_div = ADC_READ_MAX + 1,
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.shift = 0,
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.channel = CHIP_ADC_CH5},
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};
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BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
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const struct temp_sensor_t temp_sensors[] = {
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[TEMP_SENSOR_BATTERY] = {.name = "Battery",
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.type = TEMP_SENSOR_TYPE_BATTERY,
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.read = charge_get_battery_temp,
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.action_delay_sec = 1},
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[TEMP_SENSOR_AMBIENT] = {.name = "Ambient",
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.type = TEMP_SENSOR_TYPE_BOARD,
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.read = get_temp_3v3_51k1_47k_4050b,
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.idx = ADC_TEMP_SENSOR_AMB,
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.action_delay_sec = 5},
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[TEMP_SENSOR_CHARGER] = {.name = "Charger",
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.type = TEMP_SENSOR_TYPE_BOARD,
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.read = get_temp_3v3_13k7_47k_4050b,
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.idx = ADC_TEMP_SENSOR_CHARGER,
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.action_delay_sec = 1},
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};
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BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
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/* Motion sensors */
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/* Mutexes */
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static struct mutex g_lid_mutex;
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static struct mutex g_base_mutex;
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const mat33_fp_t lid_standard_ref = {
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{ 0, FLOAT_TO_FP(-1), 0},
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{ FLOAT_TO_FP(1), 0, 0},
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{ 0, 0, FLOAT_TO_FP(1)}
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};
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const mat33_fp_t base_standard_ref = {
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{ 0, FLOAT_TO_FP(-1), 0},
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{ FLOAT_TO_FP(1), 0, 0},
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{ 0, 0, FLOAT_TO_FP(1)}
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};
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const mat33_fp_t gyro_standard_ref = {
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{ 0, FLOAT_TO_FP(-1), 0},
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{ FLOAT_TO_FP(1), 0, 0},
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{ 0, 0, FLOAT_TO_FP(1)}
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};
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/* sensor private data */
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static struct kionix_accel_data g_kx022_data;
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static struct bmi160_drv_data_t g_bmi160_data;
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/* Drivers */
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struct motion_sensor_t motion_sensors[] = {
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[LID_ACCEL] = {
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.name = "Lid Accel",
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.active_mask = SENSOR_ACTIVE_S0_S3,
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.chip = MOTIONSENSE_CHIP_KX022,
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.type = MOTIONSENSE_TYPE_ACCEL,
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.location = MOTIONSENSE_LOC_LID,
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.drv = &kionix_accel_drv,
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.mutex = &g_lid_mutex,
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.drv_data = &g_kx022_data,
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.port = I2C_PORT_SENSOR,
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.i2c_spi_addr_flags = KX022_ADDR1_FLAGS,
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.rot_standard_ref = &lid_standard_ref,
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.default_range = 4, /* g */
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.config = {
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/* EC use accel for angle detection */
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[SENSOR_CONFIG_EC_S0] = {
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.odr = 10000 | ROUND_UP_FLAG,
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},
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/* Sensor on for lid angle detection */
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[SENSOR_CONFIG_EC_S3] = {
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.odr = 10000 | ROUND_UP_FLAG,
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},
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},
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},
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[BASE_ACCEL] = {
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.name = "Base Accel",
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.active_mask = SENSOR_ACTIVE_S0_S3,
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.chip = MOTIONSENSE_CHIP_BMI160,
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.type = MOTIONSENSE_TYPE_ACCEL,
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.location = MOTIONSENSE_LOC_BASE,
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.drv = &bmi160_drv,
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.mutex = &g_base_mutex,
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.drv_data = &g_bmi160_data,
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.port = I2C_PORT_SENSOR,
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.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
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.rot_standard_ref = &base_standard_ref,
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.default_range = 4, /* g */
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.min_frequency = BMI160_ACCEL_MIN_FREQ,
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.max_frequency = BMI160_ACCEL_MAX_FREQ,
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.config = {
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/* EC use accel for angle detection */
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[SENSOR_CONFIG_EC_S0] = {
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.odr = 13000 | ROUND_UP_FLAG,
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.ec_rate = 100 * MSEC,
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},
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/* Sensor on for angle detection */
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[SENSOR_CONFIG_EC_S3] = {
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.odr = 10000 | ROUND_UP_FLAG,
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.ec_rate = 100 * MSEC,
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},
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},
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},
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[BASE_GYRO] = {
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.name = "Base Gyro",
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.active_mask = SENSOR_ACTIVE_S0_S3,
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.chip = MOTIONSENSE_CHIP_BMI160,
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.type = MOTIONSENSE_TYPE_GYRO,
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.location = MOTIONSENSE_LOC_BASE,
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.drv = &bmi160_drv,
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.mutex = &g_base_mutex,
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.drv_data = &g_bmi160_data,
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.port = I2C_PORT_SENSOR,
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.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
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.default_range = 1000, /* dps */
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.rot_standard_ref = &gyro_standard_ref,
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.min_frequency = BMI160_GYRO_MIN_FREQ,
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.max_frequency = BMI160_GYRO_MAX_FREQ,
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},
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[VSYNC] = {
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.name = "Camera VSYNC",
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.active_mask = SENSOR_ACTIVE_S0,
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.chip = MOTIONSENSE_CHIP_GPIO,
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.type = MOTIONSENSE_TYPE_SYNC,
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.location = MOTIONSENSE_LOC_CAMERA,
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.drv = &sync_drv,
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.default_range = 0,
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.min_frequency = 0,
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.max_frequency = 1,
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},
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};
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unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
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static int board_is_convertible(void)
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{
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/* SKU IDs of Ampton & unprovisioned: 1, 2, 3, 4, 255 */
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return sku_id == 1 || sku_id == 2 || sku_id == 3 || sku_id == 4
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|| sku_id == 255;
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}
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static int board_with_ar_cam(void)
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{
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/* SKU ID of Ampton with AR Cam: 3, 4 */
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return sku_id == 3 || sku_id == 4;
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}
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static void board_update_sensor_config_from_sku(void)
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{
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if (board_is_convertible()) {
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motion_sensor_count = ARRAY_SIZE(motion_sensors);
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/* Enable Base Accel interrupt */
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gpio_enable_interrupt(GPIO_BASE_SIXAXIS_INT_L);
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} else {
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motion_sensor_count = 0;
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hall_sensor_disable();
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/* Base accel is not stuffed, don't allow line to float */
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gpio_set_flags(GPIO_BASE_SIXAXIS_INT_L,
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GPIO_INPUT | GPIO_PULL_DOWN);
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}
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if (board_with_ar_cam()) {
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/* Enable interrupt from camera */
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gpio_enable_interrupt(GPIO_WFCAM_VSYNC);
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} else {
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/* Camera isn't stuffed, don't allow line to float */
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gpio_set_flags(GPIO_WFCAM_VSYNC, GPIO_INPUT | GPIO_PULL_DOWN);
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}
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}
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static void board_customize_usbc_mux(uint32_t board_version)
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{
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if (board_version > 0) {
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/* not proto, override the mux setting */
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memcpy(usb_muxes, ampton_usb_muxes, sizeof(ampton_usb_muxes));
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}
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}
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/* Read CBI from i2c eeprom and initialize variables for board variants */
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static void cbi_init(void)
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{
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uint32_t val;
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if (cbi_get_sku_id(&val) != EC_SUCCESS)
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return;
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sku_id = val;
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ccprints("SKU: %d", sku_id);
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board_update_sensor_config_from_sku();
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if (cbi_get_board_version(&val) != EC_SUCCESS)
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return;
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ccprints("Board version: %d", val);
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board_customize_usbc_mux(val);
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}
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DECLARE_HOOK(HOOK_INIT, cbi_init, HOOK_PRIO_INIT_I2C + 1);
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void board_hibernate_late(void)
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{
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/*
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* Set KSO/KSI pins to GPIO input function to disable keyboard scan
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* while hibernating. This also prevent leakage current caused
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* by internal pullup of keyboard scan module.
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*/
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gpio_set_flags_by_mask(GPIO_KSO_H, 0xff, GPIO_INPUT);
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gpio_set_flags_by_mask(GPIO_KSO_L, 0xff, GPIO_INPUT);
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gpio_set_flags_by_mask(GPIO_KSI, 0xff, GPIO_INPUT);
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}
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void board_overcurrent_event(int port, int is_overcurrented)
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{
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/* TODO(b/78344554): pass this signal upstream once hardware reworked */
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cprints(CC_USBPD, "p%d: overcurrent!", port);
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}
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#ifndef TEST_BUILD
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/* This callback disables keyboard when convertibles are fully open */
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void lid_angle_peripheral_enable(int enable)
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{
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/*
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* If the lid is in tablet position via other sensors,
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* ignore the lid angle, which might be faulty then
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* disable keyboard.
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*/
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if (tablet_get_mode())
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enable = 0;
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if (board_is_convertible())
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keyboard_scan_enable(enable, KB_SCAN_DISABLE_LID_ANGLE);
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}
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#endif
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