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chrome-ec/board/eve/board.c

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/* Copyright 2016 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.
*/
/* Eve board-specific configuration */
#include "acpi.h"
#include "adc_chip.h"
#include "bd99992gw.h"
#include "board_config.h"
#include "button.h"
#include "charge_manager.h"
#include "charge_state.h"
#include "charge_ramp.h"
#include "charger.h"
#include "chipset.h"
#include "console.h"
#include "device_event.h"
#include "driver/accel_kionix.h"
#include "driver/accel_kxcj9.h"
#include "driver/accelgyro_bmi160.h"
#include "driver/als_si114x.h"
#include "driver/charger/bd9995x.h"
#include "driver/tcpm/anx74xx.h"
#include "driver/tcpm/tcpci.h"
#include "driver/tcpm/tcpm.h"
#include "driver/temp_sensor/bd99992gw.h"
#include "extpower.h"
#include "gesture.h"
#include "gpio.h"
#include "hooks.h"
#include "host_command.h"
#include "i2c.h"
#include "keyboard_scan.h"
#include "keyboard_8042_sharedlib.h"
#include "lid_angle.h"
#include "lid_switch.h"
#include "math_util.h"
#include "motion_lid.h"
#include "motion_sense.h"
#include "power.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "spi.h"
#include "switch.h"
#include "system.h"
#include "tablet_mode.h"
#include "task.h"
#include "temp_sensor.h"
#include "timer.h"
#include "uart.h"
#include "usb_charge.h"
#include "usb_mux.h"
#include "usb_pd.h"
#include "usb_pd_tcpm.h"
#include "util.h"
#include "espi.h"
#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
static void tcpc_alert_event(enum gpio_signal signal)
{
int port = -1;
switch (signal) {
case GPIO_USB_C0_PD_INT_ODL:
port = 0;
break;
case GPIO_USB_C1_PD_INT_ODL:
port = 1;
break;
default:
return;
}
schedule_deferred_pd_interrupt(port);
}
/*
* enable_input_devices() is called by the tablet_mode ISR, but changes the
* state of GPIOs, so its definition must reside after including gpio_list.
*/
static void enable_input_devices(void);
DECLARE_DEFERRED(enable_input_devices);
#define LID_DEBOUNCE_US (30 * MSEC)
void tablet_mode_interrupt(enum gpio_signal signal)
{
hook_call_deferred(&enable_input_devices_data, LID_DEBOUNCE_US);
}
/* Send event to wake AP based on trackpad input */
void trackpad_interrupt(enum gpio_signal signal)
{
device_set_single_event(EC_DEVICE_EVENT_TRACKPAD);
}
/* Send event to wake AP based on DSP interrupt */
void dsp_interrupt(enum gpio_signal signal)
{
device_set_single_event(EC_DEVICE_EVENT_DSP);
}
#ifdef CONFIG_USB_PD_TCPC_LOW_POWER
static void anx74xx_c0_cable_det_handler(void)
{
int cable_det = gpio_get_level(GPIO_USB_C0_CABLE_DET);
int reset_n = gpio_get_level(GPIO_USB_C0_PD_RST_L);
/*
* A cable_det low->high transition was detected. If following the
* debounce time, cable_det is high, and reset_n is low, then ANX3429 is
* currently in standby mode and needs to be woken up. Set the
* TCPC_RESET event which will bring the ANX3429 out of standby
* mode. Setting this event is gated on reset_n being low because the
* ANX3429 will always set cable_det when transitioning to normal mode
* and if in normal mode, then there is no need to trigger a tcpc reset.
*/
if (cable_det && !reset_n)
task_set_event(TASK_ID_PD_C0, PD_EVENT_TCPC_RESET, 0);
}
DECLARE_DEFERRED(anx74xx_c0_cable_det_handler);
static void anx74xx_c1_cable_det_handler(void)
{
int cable_det = gpio_get_level(GPIO_USB_C1_CABLE_DET);
int reset_n = gpio_get_level(GPIO_USB_C1_PD_RST_L);
/*
* A cable_det low->high transition was detected. If following the
* debounce time, cable_det is high, and reset_n is low, then ANX3429 is
* currently in standby mode and needs to be woken up. Set the
* TCPC_RESET event which will bring the ANX3429 out of standby
* mode. Setting this event is gated on reset_n being low because the
* ANX3429 will always set cable_det when transitioning to normal mode
* and if in normal mode, then there is no need to trigger a tcpc reset.
*/
if (cable_det && !reset_n)
task_set_event(TASK_ID_PD_C1, PD_EVENT_TCPC_RESET, 0);
}
DECLARE_DEFERRED(anx74xx_c1_cable_det_handler);
void anx74xx_cable_det_interrupt(enum gpio_signal signal)
{
/* Check if it is port 0 or 1, and debounce for 2 msec. */
if (signal == GPIO_USB_C0_CABLE_DET)
hook_call_deferred(&anx74xx_c0_cable_det_handler_data,
(2 * MSEC));
else
hook_call_deferred(&anx74xx_c1_cable_det_handler_data,
(2 * MSEC));
}
#endif
#include "gpio_list.h"
/* Keyboard scan. Increase output_settle_us to 80us from default 50us. */
struct keyboard_scan_config keyscan_config = {
.output_settle_us = 80,
.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,
.actual_key_mask = {
0x3c, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff,
0xa4, 0xff, 0xfe, 0x55, 0xfa, 0xca /* full set */
},
};
/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */
const struct pwm_t pwm_channels[] = {
[PWM_CH_KBLIGHT] = { 5, 0, 10000 },
[PWM_CH_LED_L_RED] = { 2, PWM_CONFIG_DSLEEP, 100 },
[PWM_CH_LED_L_GREEN] = { 3, PWM_CONFIG_DSLEEP, 100 },
[PWM_CH_LED_L_BLUE] = { 4, PWM_CONFIG_DSLEEP, 100 },
[PWM_CH_LED_R_RED] = { 1, PWM_CONFIG_DSLEEP, 100 },
[PWM_CH_LED_R_GREEN] = { 0, PWM_CONFIG_DSLEEP, 100 },
[PWM_CH_LED_R_BLUE] = { 6, PWM_CONFIG_DSLEEP, 100 },
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
/* Hibernate wake configuration */
const enum gpio_signal hibernate_wake_pins[] = {
GPIO_AC_PRESENT,
GPIO_LID_OPEN,
GPIO_POWER_BUTTON_L,
};
const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins);
/* I2C port map */
const struct i2c_port_t i2c_ports[] = {
{"tcpc0", I2C_PORT_TCPC0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA},
{"tcpc1", I2C_PORT_TCPC1, 400, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA},
{"accelgyro", I2C_PORT_GYRO, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
{"sensors", I2C_PORT_LID_ACCEL, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA},
{"batt", I2C_PORT_BATTERY, 100, GPIO_I2C3_SCL, GPIO_I2C3_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/* TCPC mux configuration */
const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = {
{
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = I2C_PORT_TCPC0,
.addr_flags = ANX74XX_I2C_ADDR1_FLAGS,
},
.drv = &anx74xx_tcpm_drv,
},
{
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = I2C_PORT_TCPC1,
.addr_flags = ANX74XX_I2C_ADDR1_FLAGS,
},
.drv = &anx74xx_tcpm_drv,
},
};
struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = {
{
.driver = &anx74xx_tcpm_usb_mux_driver,
.hpd_update = &anx74xx_tcpc_update_hpd_status,
},
{
.driver = &anx74xx_tcpm_usb_mux_driver,
.hpd_update = &anx74xx_tcpc_update_hpd_status,
},
};
/**
* Power on (or off) a single TCPC.
* minimum on/off delays are included.
*
* @param port Port number of TCPC.
* @param mode 0: power off, 1: power on.
*/
void board_set_tcpc_power_mode(int port, int mode)
{
switch (port) {
case 0:
if (mode) {
gpio_set_level(GPIO_USB_C0_TCPC_PWR, 1);
msleep(ANX74XX_PWR_H_RST_H_DELAY_MS);
gpio_set_level(GPIO_USB_C0_PD_RST_L, 1);
} else {
gpio_set_level(GPIO_USB_C0_PD_RST_L, 0);
msleep(ANX74XX_RST_L_PWR_L_DELAY_MS);
gpio_set_level(GPIO_USB_C0_TCPC_PWR, 0);
msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS);
}
break;
case 1:
if (mode) {
gpio_set_level(GPIO_USB_C1_TCPC_PWR, 1);
msleep(ANX74XX_PWR_H_RST_H_DELAY_MS);
gpio_set_level(GPIO_USB_C1_PD_RST_L, 1);
} else {
gpio_set_level(GPIO_USB_C1_PD_RST_L, 0);
msleep(ANX74XX_RST_L_PWR_L_DELAY_MS);
gpio_set_level(GPIO_USB_C1_TCPC_PWR, 0);
msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS);
}
break;
}
}
void board_reset_pd_mcu(void)
{
/* Assert reset */
gpio_set_level(GPIO_USB_C0_PD_RST_L, 0);
gpio_set_level(GPIO_USB_C1_PD_RST_L, 0);
msleep(ANX74XX_RST_L_PWR_L_DELAY_MS);
/* Disable power */
gpio_set_level(GPIO_USB_C0_TCPC_PWR, 0);
gpio_set_level(GPIO_USB_C1_TCPC_PWR, 0);
msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS);
/* Enable power */
gpio_set_level(GPIO_USB_C0_TCPC_PWR, 1);
gpio_set_level(GPIO_USB_C1_TCPC_PWR, 1);
msleep(ANX74XX_PWR_H_RST_H_DELAY_MS);
/* Deassert reset */
gpio_set_level(GPIO_USB_C0_PD_RST_L, 1);
gpio_set_level(GPIO_USB_C1_PD_RST_L, 1);
}
void board_tcpc_init(void)
{
int port;
/* Only reset TCPC if not sysjump */
if (!system_jumped_to_this_image())
board_reset_pd_mcu();
/* Enable TCPC interrupts */
gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL);
gpio_enable_interrupt(GPIO_USB_C1_PD_INT_ODL);
#ifdef CONFIG_USB_PD_TCPC_LOW_POWER
/* Enable CABLE_DET interrupt for ANX3429 wake from standby */
gpio_enable_interrupt(GPIO_USB_C0_CABLE_DET);
gpio_enable_interrupt(GPIO_USB_C1_CABLE_DET);
#endif
/*
* Initialize HPD to low; after sysjump SOC needs to see
* HPD pulse to enable video path
*/
for (port = 0; port < CONFIG_USB_PD_PORT_COUNT; port++) {
const struct usb_mux *mux = &usb_muxes[port];
mux->hpd_update(port, 0, 0);
}
}
DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C+1);
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL)) {
if (gpio_get_level(GPIO_USB_C0_PD_RST_L))
status |= PD_STATUS_TCPC_ALERT_0;
}
if (!gpio_get_level(GPIO_USB_C1_PD_INT_ODL)) {
if (gpio_get_level(GPIO_USB_C1_PD_RST_L))
status |= PD_STATUS_TCPC_ALERT_1;
}
return status;
}
const struct temp_sensor_t temp_sensors[] = {
{"Battery", TEMP_SENSOR_TYPE_BATTERY, charge_get_battery_temp, 0, 4},
/* These BD99992GW temp sensors are only readable in S0 */
{"Ambient", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val,
BD99992GW_ADC_CHANNEL_SYSTHERM0, 4},
{"Charger", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val,
BD99992GW_ADC_CHANNEL_SYSTHERM1, 4},
{"DRAM", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val,
BD99992GW_ADC_CHANNEL_SYSTHERM2, 4},
{"eMMC", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val,
BD99992GW_ADC_CHANNEL_SYSTHERM3, 4},
{"Gyro", TEMP_SENSOR_TYPE_BOARD, bmi160_get_sensor_temp, BASE_GYRO, 1},
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
/*
* Check if PMIC fault registers indicate VR fault. If yes, print out fault
* register info to console. Additionally, set panic reason so that the OS can
* check for fault register info by looking at offset 0x14(PWRSTAT1) and
* 0x15(PWRSTAT2) in cros ec panicinfo.
*/
static void board_report_pmic_fault(const char *str)
{
int vrfault, pwrstat1 = 0, pwrstat2 = 0;
uint32_t info;
/* RESETIRQ1 -- Bit 4: VRFAULT */
if (i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x8, &vrfault)
!= EC_SUCCESS)
return;
if (!(vrfault & BIT(4)))
return;
/* VRFAULT has occurred, print VRFAULT status bits. */
/* PWRSTAT1 */
i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x16, &pwrstat1);
/* PWRSTAT2 */
i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x17, &pwrstat2);
CPRINTS("PMIC VRFAULT: %s", str);
CPRINTS("PMIC VRFAULT: PWRSTAT1=0x%02x PWRSTAT2=0x%02x", pwrstat1,
pwrstat2);
/* Clear all faults -- Write 1 to clear. */
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x8, BIT(4));
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x16, pwrstat1);
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x17, pwrstat2);
/*
* Status of the fault registers can be checked in the OS by looking at
* offset 0x14(PWRSTAT1) and 0x15(PWRSTAT2) in cros ec panicinfo.
*/
info = ((pwrstat2 & 0xFF) << 8) | (pwrstat1 & 0xFF);
panic_set_reason(PANIC_SW_PMIC_FAULT, info, 0);
}
static void board_pmic_init(void)
{
board_report_pmic_fault("SYSJUMP");
if (system_jumped_to_this_image())
return;
/* DISCHGCNT2 - enable 100 ohm discharge on V3.3A and V1.8A */
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3d, 0x05);
/* DISCHGCNT3 - enable 100 ohm discharge on V1.00A */
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3e, 0x04);
/* Set CSDECAYEN / VCCIO decays to 0V at assertion of SLP_S0# */
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x30, 0x7a);
/*
* Set V100ACNT / V1.00A Control Register:
* Nominal output = 1.0V.
*/
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x37, 0x1a);
/*
* Set V085ACNT / V0.85A Control Register:
* Lower power mode = 0.7V.
* Nominal output = 1.0V.
*/
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x38, 0x7a);
/* VRMODECTRL - disable low-power mode for all rails */
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3b, 0x1f);
/* Clear power source events */
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x04, 0xff);
}
DECLARE_HOOK(HOOK_INIT, board_pmic_init, HOOK_PRIO_DEFAULT);
static void board_set_tablet_mode(void)
{
int flipped_360_mode = !gpio_get_level(GPIO_TABLET_MODE_L);
tablet_set_mode(flipped_360_mode);
/* Update DPTF profile based on mode */
if (flipped_360_mode)
acpi_dptf_set_profile_num(DPTF_PROFILE_FLIPPED_360_MODE);
else
acpi_dptf_set_profile_num(DPTF_PROFILE_CLAMSHELL);
}
int board_has_working_reset_flags(void)
{
int version = board_get_version();
/* board version P1b to EVTb will lose reset flags on power cycle */
if (version >= 3 && version < 6)
return 0;
/* All other board versions should have working reset flags */
return 1;
}
/*
* Update status of the ACPRESENT pin on the PCH. In order to prevent
* Deep S3 when USB is inserted this will indicate that AC is present
* if either port is supplying VBUS or there an external charger present.
*/
void board_update_ac_status(void)
{
gpio_set_level(GPIO_PCH_ACOK, extpower_is_present() ||
board_vbus_source_enabled(0) ||
board_vbus_source_enabled(1));
}
DECLARE_HOOK(HOOK_AC_CHANGE, board_update_ac_status, HOOK_PRIO_DEFAULT);
/* Initialize board. */
static void board_init(void)
{
/* Enabure tablet mode is initialized */
board_set_tablet_mode();
/* Enable tablet mode interrupt for input device enable */
gpio_enable_interrupt(GPIO_TABLET_MODE_L);
/* Enable charger interrupts */
gpio_enable_interrupt(GPIO_CHARGER_INT_L);
/* Enable interrupts from BMI160 sensor. */
gpio_enable_interrupt(GPIO_ACCELGYRO3_INT_L);
/* Update AC status to the PCH */
board_update_ac_status();
#if defined(CONFIG_KEYBOARD_SCANCODE_MUTABLE) && !defined(TEST_BUILD)
if (board_get_version() == 4) {
/* Set F13 to new defined key on EVT */
CPRINTS("Overriding F13 scan code");
scancode_set2[9][3] = 0xe007;
#ifdef CONFIG_KEYBOARD_DEBUG
keycap_label[9][3] = KLLI_F13;
#endif
}
#endif
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
int pd_snk_is_vbus_provided(int port)
{
if (port != 0 && port != 1)
panic("Invalid charge port\n");
return bd9995x_is_vbus_provided(port);
}
/**
* Set active charge port -- only one port can be active at a time.
*
* @param charge_port Charge port to enable.
*
* Returns EC_SUCCESS if charge port is accepted and made active,
* EC_ERROR_* otherwise.
*/
int board_set_active_charge_port(int charge_port)
{
enum bd9995x_charge_port bd9995x_port;
int bd9995x_port_select = 1;
switch (charge_port) {
case 0:
case 1:
/* Don't charge from a source port */
if (board_vbus_source_enabled(charge_port))
return -1;
bd9995x_port = charge_port;
break;
case CHARGE_PORT_NONE:
bd9995x_port_select = 0;
bd9995x_port = BD9995X_CHARGE_PORT_BOTH;
/*
* To avoid inrush current from the external charger,
* enable discharge on AC until the new charger is detected
* and charge detect delay has passed.
*/
if (charge_get_percent() > 2)
charger_discharge_on_ac(1);
break;
default:
panic("Invalid charge port\n");
break;
}
CPRINTS("New chg p%d", charge_port);
return bd9995x_select_input_port(bd9995x_port, bd9995x_port_select);
}
/**
* Set the charge limit based upon desired maximum.
*
* @param port Port number.
* @param supplier Charge supplier type.
* @param charge_ma Desired charge limit (mA).
* @param charge_mv Negotiated charge voltage (mV).
*/
void board_set_charge_limit(int port, int supplier, int charge_ma,
int max_ma, int charge_mv)
{
/* Enable charging trigger by BC1.2 detection */
int bc12_enable = (supplier == CHARGE_SUPPLIER_BC12_CDP ||
supplier == CHARGE_SUPPLIER_BC12_DCP ||
supplier == CHARGE_SUPPLIER_BC12_SDP ||
supplier == CHARGE_SUPPLIER_OTHER);
if (bd9995x_bc12_enable_charging(port, bc12_enable))
return;
charge_ma = (charge_ma * 95) / 100;
charge_set_input_current_limit(MAX(charge_ma,
CONFIG_CHARGER_INPUT_CURRENT), charge_mv);
}
/**
* Return if VBUS is sagging too low
*/
int board_is_vbus_too_low(int port, enum chg_ramp_vbus_state ramp_state)
{
return charger_get_vbus_voltage(port) < BD9995X_BC12_MIN_VOLTAGE;
}
/* Clear pending interrupts and enable DSP for wake */
static void dsp_wake_enable(int enable)
{
if (enable) {
gpio_clear_pending_interrupt(GPIO_MIC_DSP_IRQ_1V8_L);
gpio_enable_interrupt(GPIO_MIC_DSP_IRQ_1V8_L);
} else {
gpio_disable_interrupt(GPIO_MIC_DSP_IRQ_1V8_L);
}
}
/* Clear pending interrupts and enable trackpad for wake */
static void trackpad_wake_enable(int enable)
{
static int prev_enable = -1;
if (prev_enable == enable)
return;
prev_enable = enable;
if (enable) {
gpio_clear_pending_interrupt(GPIO_TRACKPAD_INT_L);
gpio_enable_interrupt(GPIO_TRACKPAD_INT_L);
} else {
gpio_disable_interrupt(GPIO_TRACKPAD_INT_L);
}
}
/* Enable or disable input devices, based upon chipset state and tablet mode */
static void enable_input_devices(void)
{
/* We need to turn on tablet mode for motion sense */
board_set_tablet_mode();
/*
* Then, we disable peripherals only when the lid reaches 360 position.
* (It's probably already disabled by motion_sense_task.)
* We deliberately do not enable peripherals when the lid is leaving
* 360 position. Instead, we let motion_sense_task enable it once it
* reaches laptop zone (180 or less).
*/
if (tablet_get_mode())
lid_angle_peripheral_enable(0);
}
/* Enable or disable input devices, based on chipset state and tablet mode */
#ifndef TEST_BUILD
void lid_angle_peripheral_enable(int enable)
{
/*
* If the lid is in 360 position, ignore the lid angle,
* which might be faulty. Disable keyboard and trackpad wake.
*/
if (tablet_get_mode() || chipset_in_state(CHIPSET_STATE_ANY_OFF))
enable = 0;
keyboard_scan_enable(enable, KB_SCAN_DISABLE_LID_ANGLE);
/* Also disable trackpad wake if not in suspend */
if (!chipset_in_state(CHIPSET_STATE_SUSPEND))
enable = 0;
trackpad_wake_enable(enable);
}
#endif
/* Called on AP S5 -> S3 transition */
static void board_chipset_startup(void)
{
/* Enable Trackpad */
gpio_set_level(GPIO_TRACKPAD_SHDN_L, 1);
hook_call_deferred(&enable_input_devices_data, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT);
/* Called on AP S3 -> S5 transition */
static void board_chipset_shutdown(void)
{
/* Disable Trackpad and DSP wake in S5 */
trackpad_wake_enable(0);
dsp_wake_enable(0);
gpio_set_level(GPIO_TRACKPAD_SHDN_L, 0);
hook_call_deferred(&enable_input_devices_data, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT);
/* Called on AP S0 -> S3 transition */
static void board_chipset_suspend(void)
{
gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0);
if (lid_is_open()) {
/* Enable DSP wake if suspended with lid open */
dsp_wake_enable(1);
/* Enable trackpad wake if suspended and not in tablet mode */
if (!tablet_get_mode())
trackpad_wake_enable(1);
}
}
DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT);
/* Called on AP S3 -> S0 transition */
static void board_chipset_resume(void)
{
gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1);
dsp_wake_enable(0);
trackpad_wake_enable(0);
}
DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT);
static void board_chipset_reset(void)
{
board_report_pmic_fault("CHIPSET RESET");
}
DECLARE_HOOK(HOOK_CHIPSET_RESET, board_chipset_reset, HOOK_PRIO_DEFAULT);
/* Called on lid change */
static void board_lid_change(void)
{
/* Disable trackpad and DSP wake if lid is closed */
if (!lid_is_open()) {
trackpad_wake_enable(0);
dsp_wake_enable(0);
}
}
DECLARE_HOOK(HOOK_LID_CHANGE, board_lid_change, HOOK_PRIO_DEFAULT);
void board_hibernate(void)
{
/* Enable both the VBUS & VCC ports before entering PG3 */
bd9995x_select_input_port(BD9995X_CHARGE_PORT_BOTH, 1);
/* Turn BGATE OFF for power saving */
bd9995x_set_power_save_mode(BD9995X_PWR_SAVE_MAX);
/* Shut down PMIC */
CPRINTS("Triggering PMIC shutdown");
uart_flush_output();
if (i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x49, 0x01)) {
/*
* If we can't tell the PMIC to shutdown, instead reset
* and don't start the AP. Hopefully we'll be able to
* communicate with the PMIC next time.
*/
CPRINTS("PMIC I2C failed");
uart_flush_output();
system_reset(SYSTEM_RESET_LEAVE_AP_OFF);
}
while (1)
;
}
int board_get_version(void)
{
static int ver;
if (!ver) {
/*
* Read the board EC ID on the tristate strappings
* using ternary encoding: 0 = 0, 1 = 1, Hi-Z = 2
*/
uint8_t id0, id1, id2;
id0 = gpio_get_ternary(GPIO_BOARD_VERSION1);
id1 = gpio_get_ternary(GPIO_BOARD_VERSION2);
id2 = gpio_get_ternary(GPIO_BOARD_VERSION3);
ver = (id2 * 9) + (id1 * 3) + id0;
CPRINTS("Board ID = %d", ver);
}
return ver;
}
void sensor_board_proc_double_tap(void)
{
/* TODO: Call led update function */
CPRINTS("Call LED status update");
led_register_double_tap();
}
/* Base Sensor mutex */
static struct mutex g_base_mutex;
/* Lid Sensor mutex */
static struct mutex g_lid_mutex;
static struct kionix_accel_data g_kxcj9_data;
static struct bmi160_drv_data_t g_bmi160_data;
static struct si114x_drv_data_t g_si114x_data = {
.state = SI114X_NOT_READY,
.covered = 0,
.type_data = {
/* Proximity - unused */
{
},
/* light */
{
.base_data_reg = SI114X_REG_ALSVIS_DATA0,
.irq_flags = SI114X_ALS_INT_FLAG,
.scale = 1,
.offset = -256,
}
}
};
/* Matrix to rotate accelrator into standard reference frame */
const mat33_fp_t mag_standard_ref = {
{ FLOAT_TO_FP(-1), 0, 0},
{ 0, FLOAT_TO_FP(1), 0},
{ 0, 0, FLOAT_TO_FP(-1)}
};
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)}
};
struct motion_sensor_t motion_sensors[] = {
[LID_ACCEL] = {
.name = "Lid Accel",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_KXCJ9,
.type = MOTIONSENSE_TYPE_ACCEL,
.location = MOTIONSENSE_LOC_LID,
.drv = &kionix_accel_drv,
.mutex = &g_lid_mutex,
.drv_data = &g_kxcj9_data,
.port = I2C_PORT_LID_ACCEL,
.i2c_spi_addr_flags = KXCJ9_ADDR0_FLAGS,
.rot_standard_ref = &lid_standard_ref,
.default_range = 2, /* g, enough for laptop. */
.min_frequency = KXCJ9_ACCEL_MIN_FREQ,
.max_frequency = KXCJ9_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,
},
},
},
[BASE_ACCEL] = {
.name = "Base Accel",
.active_mask = SENSOR_ACTIVE_S0_S3_S5,
.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_GYRO,
.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
.rot_standard_ref = NULL,
.default_range = 2, /* g, enough for laptop. */
.min_frequency = BMI160_ACCEL_MIN_FREQ,
.max_frequency = BMI160_ACCEL_MAX_FREQ,
.config = {
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S0] = {
.odr = TAP_ODR,
.ec_rate = 100 * MSEC,
},
/* Sensor on for lid angle detection */
[SENSOR_CONFIG_EC_S3] = {
.odr = TAP_ODR,
.ec_rate = 100 * MSEC,
},
/* Sensor on in S5 for battery detection */
[SENSOR_CONFIG_EC_S5] = {
.odr = TAP_ODR,
.ec_rate = 100 * MSEC,
},
},
},
[BASE_GYRO] = {
.name = "Base Gyro",
.active_mask = SENSOR_ACTIVE_S0_S3_S5,
.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_GYRO,
.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
.default_range = 1000, /* dps */
.rot_standard_ref = NULL,
.min_frequency = BMI160_GYRO_MIN_FREQ,
.max_frequency = BMI160_GYRO_MAX_FREQ,
},
[BASE_MAG] = {
.name = "Base Mag",
.active_mask = SENSOR_ACTIVE_S0_S3_S5,
.chip = MOTIONSENSE_CHIP_BMI160,
.type = MOTIONSENSE_TYPE_MAG,
.location = MOTIONSENSE_LOC_BASE,
.drv = &bmi160_drv,
.mutex = &g_base_mutex,
.drv_data = &g_bmi160_data,
.port = I2C_PORT_GYRO,
.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
.default_range = BIT(11), /* 16LSB / uT, fixed */
.rot_standard_ref = &mag_standard_ref,
.min_frequency = BMM150_MAG_MIN_FREQ,
.max_frequency = BMM150_MAG_MAX_FREQ(SPECIAL),
},
[LID_LIGHT] = {
.name = "Light",
.active_mask = SENSOR_ACTIVE_S0,
.chip = MOTIONSENSE_CHIP_SI1141,
.type = MOTIONSENSE_TYPE_LIGHT,
.location = MOTIONSENSE_LOC_LID,
.drv = &si114x_drv,
.mutex = &g_lid_mutex,
.drv_data = &g_si114x_data,
.port = I2C_PORT_ALS,
.i2c_spi_addr_flags = SI114X_ADDR_FLAGS,
.rot_standard_ref = NULL,
.default_range = 3088, /* 30.88%: int = 0 - frac = 3088/10000 */
.min_frequency = SI114X_LIGHT_MIN_FREQ,
.max_frequency = SI114X_LIGHT_MAX_FREQ,
.config = {
/* Run ALS sensor in S0 */
[SENSOR_CONFIG_EC_S0] = {
.odr = 1000,
},
},
},
};
const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
/* ALS instances when LPC mapping is needed. Each entry directs to a sensor. */
const struct motion_sensor_t *motion_als_sensors[] = {
&motion_sensors[LID_LIGHT],
};
BUILD_ASSERT(ARRAY_SIZE(motion_als_sensors) == ALS_COUNT);
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