357 lines
9.4 KiB
C
357 lines
9.4 KiB
C
/* Copyright 2014 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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/* Strago board-specific configuration */
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#include "adc.h"
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#include "adc_chip.h"
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#include "als.h"
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#include "button.h"
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#include "charger.h"
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#include "charge_manager.h"
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#include "charge_state.h"
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#include "console.h"
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#include "driver/accel_kionix.h"
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#include "driver/accel_kxcj9.h"
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#include "driver/als_isl29035.h"
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#include "driver/tcpm/tcpci.h"
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#include "driver/temp_sensor/tmp432.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 "host_command.h"
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#include "i2c.h"
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#include "lid_switch.h"
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#include "math_util.h"
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#include "motion_lid.h"
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#include "motion_sense.h"
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#include "pi3usb9281.h"
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#include "power.h"
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#include "power_button.h"
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#include "pwm.h"
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#include "pwm_chip.h"
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#include "registers.h"
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#include "spi.h"
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#include "temp_sensor.h"
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#include "temp_sensor_chip.h"
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#include "thermal.h"
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#include "usb_charge.h"
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#include "usb_mux.h"
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#include "usb_pd.h"
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#include "usb_pd_tcpm.h"
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#include "util.h"
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#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
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#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
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/* Exchange status with PD MCU. */
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static void pd_mcu_interrupt(enum gpio_signal signal)
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{
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#ifdef HAS_TASK_PDCMD
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/* Exchange status with PD MCU to determine interrupt cause */
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host_command_pd_send_status(0);
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#endif
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}
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void vbus0_evt(enum gpio_signal signal)
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{
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/* VBUS present GPIO is inverted */
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usb_charger_vbus_change(0, !gpio_get_level(signal));
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task_wake(TASK_ID_PD_C0);
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}
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void usb0_evt(enum gpio_signal signal)
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{
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task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12, 0);
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}
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#include "gpio_list.h"
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/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */
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const struct pwm_t pwm_channels[] = {
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{0, PWM_CONFIG_ACTIVE_LOW},
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{1, PWM_CONFIG_ACTIVE_LOW},
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{3, PWM_CONFIG_ACTIVE_LOW},
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};
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BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
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/* power signal list. Must match order of enum power_signal. */
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const struct power_signal_info power_signal_list[] = {
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{GPIO_ALL_SYS_PGOOD, POWER_SIGNAL_ACTIVE_HIGH, "ALL_SYS_PWRGD"},
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{GPIO_RSMRST_L_PGOOD, POWER_SIGNAL_ACTIVE_HIGH, "RSMRST_N_PWRGD"},
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{GPIO_PCH_SLP_S3_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S3#_DEASSERTED"},
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{GPIO_PCH_SLP_S4_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S4#_DEASSERTED"},
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};
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BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
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/* ADC channels */
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const struct adc_t adc_channels[] = {
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/* Vbus sensing. Converted to mV, full ADC is equivalent to 30V. */
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[ADC_VBUS] = {"VBUS", 30000, 1024, 0, 4},
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};
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BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
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const struct i2c_port_t i2c_ports[] = {
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{"batt_chg", MEC1322_I2C0_0, 100,
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GPIO_I2C_PORT0_SCL, GPIO_I2C_PORT0_SDA},
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{"sensors", MEC1322_I2C1, 100,
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GPIO_I2C_PORT1_SCL, GPIO_I2C_PORT1_SDA},
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{"pd_mcu", MEC1322_I2C2, 1000,
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GPIO_I2C_PORT2_SCL, GPIO_I2C_PORT2_SDA},
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{"thermal", MEC1322_I2C3, 100,
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GPIO_I2C_PORT3_SCL, GPIO_I2C_PORT3_SDA}
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};
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const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
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const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = {
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{
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.bus_type = EC_BUS_TYPE_I2C,
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.i2c_info = {
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.port = I2C_PORT_TCPC,
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.addr_flags = CONFIG_TCPC_I2C_BASE_ADDR_FLAGS,
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},
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.drv = &tcpci_tcpm_drv,
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},
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};
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/* SPI master ports */
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const struct spi_device_t spi_devices[] = {
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{ CONFIG_SPI_FLASH_PORT, 0, GPIO_PVT_CS0},
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};
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const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices);
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const enum gpio_signal hibernate_wake_pins[] = {
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GPIO_AC_PRESENT,
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GPIO_LID_OPEN,
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GPIO_POWER_BUTTON_L,
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};
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const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins);
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struct pi3usb9281_config pi3usb9281_chips[] = {
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{
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.i2c_port = I2C_PORT_USB_CHARGER_1,
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.mux_lock = NULL,
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},
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};
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BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) ==
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CONFIG_BC12_DETECT_PI3USB9281_CHIP_COUNT);
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struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = {
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{
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.port_addr = 0x55,
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.driver = &pi3usb30532_usb_mux_driver,
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},
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};
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const int usb_port_enable[CONFIG_USB_PORT_POWER_SMART_PORT_COUNT] = {
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GPIO_USB1_ENABLE,
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GPIO_USB2_ENABLE,
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};
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/*
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* Temperature sensors data; must be in same order as enum temp_sensor_id.
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* Sensor index and name must match those present in coreboot:
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* src/mainboard/google/${board}/acpi/dptf.asl
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*/
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const struct temp_sensor_t temp_sensors[] = {
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{"TMP432_Internal", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val,
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TMP432_IDX_LOCAL, 4},
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{"TMP432_Sensor_1", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val,
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TMP432_IDX_REMOTE1, 4},
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{"TMP432_Sensor_2", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val,
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TMP432_IDX_REMOTE2, 4},
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{"Battery", TEMP_SENSOR_TYPE_BATTERY, charge_get_battery_temp,
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0, 4},
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};
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BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
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/* ALS instances. Must be in same order as enum als_id. */
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struct als_t als[] = {
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{"ISL", isl29035_init, isl29035_read_lux, 5},
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};
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BUILD_ASSERT(ARRAY_SIZE(als) == ALS_COUNT);
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/**
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* Reset PD MCU
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*/
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void board_reset_pd_mcu(void)
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{
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gpio_set_level(GPIO_PD_RST_L, 0);
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usleep(100);
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gpio_set_level(GPIO_PD_RST_L, 1);
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}
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/* Four Motion sensors */
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/* kxcj9 mutex and local/private data*/
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static struct mutex g_kxcj9_mutex[2];
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struct kionix_accel_data g_kxcj9_data[2];
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/* Matrix to rotate accelrator into standard reference frame */
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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 lid_standard_ref = {
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{FLOAT_TO_FP(-1), 0, 0},
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{ 0, FLOAT_TO_FP(-1), 0},
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{ 0, 0, FLOAT_TO_FP(-1)}
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};
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struct motion_sensor_t motion_sensors[] = {
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[BASE_ACCEL] = {
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.name = "Base Accel",
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.active_mask = SENSOR_ACTIVE_S0,
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.chip = MOTIONSENSE_CHIP_KXCJ9,
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.type = MOTIONSENSE_TYPE_ACCEL,
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.location = MOTIONSENSE_LOC_BASE,
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.drv = &kionix_accel_drv,
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.mutex = &g_kxcj9_mutex[0],
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.drv_data = &g_kxcj9_data[0],
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.port = I2C_PORT_ACCEL,
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.i2c_spi_addr_flags = KXCJ9_ADDR1_FLAGS,
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.rot_standard_ref = &base_standard_ref,
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.default_range = 2, /* g, enough for laptop. */
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.min_frequency = KXCJ9_ACCEL_MIN_FREQ,
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.max_frequency = KXCJ9_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 = 100000 | 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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[LID_ACCEL] = {
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.name = "Lid Accel",
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.active_mask = SENSOR_ACTIVE_S0,
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.chip = MOTIONSENSE_CHIP_KXCJ9,
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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_kxcj9_mutex[1],
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.drv_data = &g_kxcj9_data[1],
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.port = I2C_PORT_ACCEL,
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.i2c_spi_addr_flags = KXCJ9_ADDR0_FLAGS,
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.rot_standard_ref = &lid_standard_ref,
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.default_range = 2, /* g, enough for laptop. */
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.min_frequency = KXCJ9_ACCEL_MIN_FREQ,
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.max_frequency = KXCJ9_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 = 100000 | 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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};
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const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
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/* init ADC ports to avoid floating state due to thermistors */
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static void adc_pre_init(void)
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{
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/* Configure GPIOs */
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gpio_config_module(MODULE_ADC, 1);
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}
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DECLARE_HOOK(HOOK_INIT, adc_pre_init, HOOK_PRIO_INIT_ADC - 1);
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/* Initialize board. */
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static void board_init(void)
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{
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/* Enable PD MCU interrupt */
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gpio_enable_interrupt(GPIO_PD_MCU_INT);
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/* Enable VBUS interrupt */
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gpio_enable_interrupt(GPIO_USB_C0_VBUS_WAKE_L);
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/* Enable pericom BC1.2 interrupts */
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gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L);
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}
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DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
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/**
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* Set active charge port -- Enable or Disable charging
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*
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* @param charge_port Charge port to enable.
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*
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* Returns EC_SUCCESS if charge port is accepted and made active,
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* EC_ERROR_* otherwise.
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*/
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int board_set_active_charge_port(int charge_port)
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{
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/* charge port is a realy physical port */
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int is_real_port = (charge_port >= 0 &&
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charge_port < CONFIG_USB_PD_PORT_COUNT);
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/* check if we are source vbus on that port */
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int source = gpio_get_level(GPIO_USB_C0_5V_EN);
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if (is_real_port && source) {
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CPRINTS("Skip enable p%d", charge_port);
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return EC_ERROR_INVAL;
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}
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CPRINTS("New chg p%d", charge_port);
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if (charge_port == CHARGE_PORT_NONE) {
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/* Disable charging port */
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gpio_set_level(GPIO_USB_C0_CHARGE_EN_L, 1);
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gpio_set_level(GPIO_EC_ACDET_CTRL, 1);
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} else {
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/* Enable charging port */
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gpio_set_level(GPIO_USB_C0_CHARGE_EN_L, 0);
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gpio_set_level(GPIO_EC_ACDET_CTRL, 0);
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}
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return EC_SUCCESS;
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}
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/**
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* Set the charge limit based upon desired maximum.
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*
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* @param port Port number.
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* @param supplier Charge supplier type.
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* @param charge_ma Desired charge limit (mA).
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* @param charge_mv Negotiated charge voltage (mV).
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*/
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void board_set_charge_limit(int port, int supplier, int charge_ma,
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int max_ma, int charge_mv)
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{
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charge_set_input_current_limit(MAX(charge_ma,
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CONFIG_CHARGER_INPUT_CURRENT), charge_mv);
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}
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/**
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* TODO: Remove this code after the BAT_PRESENT_L GPIO is implemented in
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* the hardware.
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*
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* Get the battery present status.
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*
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* Return EC_ERROR_UNIMPLEMENTED.
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*/
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enum battery_present battery_is_present(void)
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{
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return EC_ERROR_UNIMPLEMENTED;
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}
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void board_hibernate(void)
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{
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CPRINTS("Enter Pseudo G3");
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/*
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* Clean up the UART buffer and prevent any unwanted garbage characters
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* before power off and also ensure above debug message is printed.
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*/
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cflush();
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gpio_set_level(GPIO_EC_HIB_L, 1);
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gpio_set_level(GPIO_SMC_SHUTDOWN, 1);
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/* Power to EC should shut down now */
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while (1)
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;
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}
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