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|
/* Copyright 2019 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.
*/
#include "battery_smart.h"
#include "button.h"
#include "cros_board_info.h"
#include "driver/accel_lis2dw12.h"
#include "driver/accelgyro_lsm6dsm.h"
#include "driver/bc12/pi3usb9201.h"
#include "driver/ioexpander/pcal6408.h"
#include "driver/ppc/aoz1380.h"
#include "driver/ppc/nx20p348x.h"
#include "driver/tcpm/nct38xx.h"
#include "driver/usb_mux/amd_fp5.h"
#include "driver/usb_mux/ps8740.h"
#include "driver/usb_mux/ps8743.h"
#include "extpower.h"
#include "fan.h"
#include "fan_chip.h"
#include "gpio.h"
#include "hooks.h"
#include "ioexpander.h"
#include "lid_switch.h"
#include "power.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "switch.h"
#include "system.h"
#include "tablet_mode.h"
#include "task.h"
#include "usb_charge.h"
#include "usb_pd_tcpm.h"
#include "usbc_ppc.h"
#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define CPRINTFUSB(format, args...) cprintf(CC_USBCHARGE, format, ## args)
/* This I2C moved. Temporarily detect and support the V0 HW. */
int I2C_PORT_BATTERY = I2C_PORT_BATTERY_V1;
/* Interrupt handler varies with DB option. */
void (*c1_tcpc_config_interrupt)(enum gpio_signal signal) = tcpc_alert_event;
void c1_tcpc_interrupt(enum gpio_signal signal)
{
c1_tcpc_config_interrupt(signal);
}
static void hdmi_hpd_handler(void)
{
int hpd = 0;
/* Pass HPD through from DB OPT1 HDMI connector to AP's DP1. */
ioex_get_level(IOEX_HDMI_CONN_HPD_3V3_DB, &hpd);
gpio_set_level(GPIO_DP1_HPD, hpd);
ccprints("HDMI HPD %d", hpd);
}
DECLARE_DEFERRED(hdmi_hpd_handler);
void hdmi_hpd_interrupt(enum ioex_signal signal)
{
/* Debounce for 2 msec. */
hook_call_deferred(&hdmi_hpd_handler_data, (2 * MSEC));
}
#include "gpio_list.h"
#ifdef HAS_TASK_MOTIONSENSE
/* Motion sensors */
static struct mutex g_lid_mutex;
static struct mutex g_base_mutex;
/* sensor private data */
static struct stprivate_data g_lis2dwl_data;
static struct lsm6dsm_data g_lsm6dsm_data = LSM6DSM_DATA;
/* Matrix to rotate accelrator into standard reference frame */
static 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)}
};
/* TODO(gcc >= 5.0) Remove the casts to const pointer at rot_standard_ref */
struct motion_sensor_t motion_sensors[] = {
[LID_ACCEL] = {
.name = "Lid Accel",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_LIS2DWL,
.type = MOTIONSENSE_TYPE_ACCEL,
.location = MOTIONSENSE_LOC_LID,
.drv = &lis2dw12_drv,
.mutex = &g_lid_mutex,
.drv_data = &g_lis2dwl_data,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = LIS2DWL_ADDR1_FLAGS,
.rot_standard_ref = NULL,
.default_range = 2, /* g, enough for laptop. */
.min_frequency = LIS2DW12_ODR_MIN_VAL,
.max_frequency = LIS2DW12_ODR_MAX_VAL,
.config = {
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S0] = {
.odr = 12500 | 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,
.chip = MOTIONSENSE_CHIP_LSM6DSM,
.type = MOTIONSENSE_TYPE_ACCEL,
.location = MOTIONSENSE_LOC_BASE,
.drv = &lsm6dsm_drv,
.mutex = &g_base_mutex,
.drv_data = LSM6DSM_ST_DATA(g_lsm6dsm_data,
MOTIONSENSE_TYPE_ACCEL),
.int_signal = GPIO_6AXIS_INT_L,
.flags = MOTIONSENSE_FLAG_INT_SIGNAL,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = LSM6DSM_ADDR0_FLAGS,
.default_range = 4, /* g, enough for laptop */
.rot_standard_ref = &base_standard_ref,
.min_frequency = LSM6DSM_ODR_MIN_VAL,
.max_frequency = LSM6DSM_ODR_MAX_VAL,
.config = {
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S0] = {
.odr = 13000 | ROUND_UP_FLAG,
.ec_rate = 100 * MSEC,
},
/* Sensor on for angle detection */
[SENSOR_CONFIG_EC_S3] = {
.odr = 10000 | ROUND_UP_FLAG,
.ec_rate = 100 * MSEC,
},
},
},
[BASE_GYRO] = {
.name = "Base Gyro",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_LSM6DSM,
.type = MOTIONSENSE_TYPE_GYRO,
.location = MOTIONSENSE_LOC_BASE,
.drv = &lsm6dsm_drv,
.mutex = &g_base_mutex,
.drv_data = LSM6DSM_ST_DATA(g_lsm6dsm_data,
MOTIONSENSE_TYPE_GYRO),
.int_signal = GPIO_6AXIS_INT_L,
.flags = MOTIONSENSE_FLAG_INT_SIGNAL,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = LSM6DSM_ADDR0_FLAGS,
.default_range = 1000 | ROUND_UP_FLAG, /* dps */
.rot_standard_ref = &base_standard_ref,
.min_frequency = LSM6DSM_ODR_MIN_VAL,
.max_frequency = LSM6DSM_ODR_MAX_VAL,
},
};
unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
#endif /* HAS_TASK_MOTIONSENSE */
/* These IO expander GPIOs vary with DB option. */
enum gpio_signal IOEX_USB_A1_RETIMER_EN = IOEX_USB_A1_RETIMER_EN_OPT1;
enum gpio_signal IOEX_USB_A1_CHARGE_EN_DB_L = IOEX_USB_A1_CHARGE_EN_DB_L_OPT1;
static void pcal6408_handler(void)
{
pcal6408_ioex_event_handler(IOEX_HDMI_PCAL6408);
}
DECLARE_DEFERRED(pcal6408_handler);
void pcal6408_interrupt(enum gpio_signal signal)
{
hook_call_deferred(&pcal6408_handler_data, 0);
}
static int board_ps8743_mux_set(const struct usb_mux *me,
mux_state_t mux_state)
{
if (mux_state & USB_PD_MUX_DP_ENABLED)
/* Enable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1);
else
/* Disable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0);
return EC_SUCCESS;
}
/*****************************************************************************
* USB-C
*/
/*
* USB C0 port SBU mux use standalone FSUSB42UMX
* chip and it need a board specific driver.
* Overall, it will use chained mux framework.
*/
static int fsusb42umx_set_mux(const struct usb_mux *me, mux_state_t mux_state)
{
if (mux_state & USB_PD_MUX_POLARITY_INVERTED)
ioex_set_level(IOEX_USB_C0_SBU_FLIP, 1);
else
ioex_set_level(IOEX_USB_C0_SBU_FLIP, 0);
return EC_SUCCESS;
}
/*
* .init is not necessary here because it has nothing
* to do. Primary mux will handle mux state so .get is
* not needed as well. usb_mux.c can handle the situation
* properly.
*/
const struct usb_mux_driver usbc0_sbu_mux_driver = {
.set = fsusb42umx_set_mux,
};
/*
* Since FSUSB42UMX is not a i2c device, .i2c_port and
* .i2c_addr_flags are not required here.
*/
const struct usb_mux usbc0_sbu_mux = {
.usb_port = USBC_PORT_C0,
.driver = &usbc0_sbu_mux_driver,
};
struct usb_mux usbc1_amd_fp5_usb_mux = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_USB_AP_MUX,
.i2c_addr_flags = AMD_FP5_MUX_I2C_ADDR_FLAGS,
.driver = &amd_fp5_usb_mux_driver,
.flags = USB_MUX_FLAG_SET_WITHOUT_FLIP,
};
struct usb_mux usb_muxes[] = {
[USBC_PORT_C0] = {
.usb_port = USBC_PORT_C0,
.i2c_port = I2C_PORT_USB_AP_MUX,
.i2c_addr_flags = AMD_FP5_MUX_I2C_ADDR_FLAGS,
.driver = &amd_fp5_usb_mux_driver,
.next_mux = &usbc0_sbu_mux,
},
[USBC_PORT_C1] = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = PS8743_I2C_ADDR1_FLAG,
.driver = &ps8743_usb_mux_driver,
.next_mux = &usbc1_amd_fp5_usb_mux,
}
};
BUILD_ASSERT(ARRAY_SIZE(usb_muxes) == USBC_PORT_COUNT);
struct ppc_config_t ppc_chips[] = {
[USBC_PORT_C0] = {
/* Device does not talk I2C */
.drv = &aoz1380_drv
},
[USBC_PORT_C1] = {
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = NX20P3483_ADDR1_FLAGS,
.drv = &nx20p348x_drv
},
};
BUILD_ASSERT(ARRAY_SIZE(ppc_chips) == USBC_PORT_COUNT);
unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips);
void ppc_interrupt(enum gpio_signal signal)
{
switch (signal) {
case GPIO_USB_C0_PPC_FAULT_ODL:
aoz1380_interrupt(USBC_PORT_C0);
break;
case GPIO_USB_C1_PPC_INT_ODL:
nx20p348x_interrupt(USBC_PORT_C1);
break;
default:
break;
}
}
int board_set_active_charge_port(int port)
{
int is_valid_port = (port >= 0 &&
port < CONFIG_USB_PD_PORT_MAX_COUNT);
int i;
if (port == CHARGE_PORT_NONE) {
CPRINTSUSB("Disabling all charger ports");
/* Disable all ports. */
for (i = 0; i < ppc_cnt; i++) {
/*
* Do not return early if one fails otherwise we can
* get into a boot loop assertion failure.
*/
if (ppc_vbus_sink_enable(i, 0))
CPRINTSUSB("Disabling C%d as sink failed.", i);
}
return EC_SUCCESS;
} else if (!is_valid_port) {
return EC_ERROR_INVAL;
}
/* Check if the port is sourcing VBUS. */
if (ppc_is_sourcing_vbus(port)) {
CPRINTFUSB("Skip enable C%d", port);
return EC_ERROR_INVAL;
}
CPRINTSUSB("New charge port: C%d", port);
/*
* Turn off the other ports' sink path FETs, before enabling the
* requested charge port.
*/
for (i = 0; i < ppc_cnt; i++) {
if (i == port)
continue;
if (ppc_vbus_sink_enable(i, 0))
CPRINTSUSB("C%d: sink path disable failed.", i);
}
/* Enable requested charge port. */
if (ppc_vbus_sink_enable(port, 1)) {
CPRINTSUSB("C%d: sink path enable failed.", port);
return EC_ERROR_UNKNOWN;
}
return EC_SUCCESS;
}
void board_overcurrent_event(int port, int is_overcurrented)
{
switch (port) {
case USBC_PORT_C0:
ioex_set_level(IOEX_USB_C0_FAULT_ODL, !is_overcurrented);
break;
case USBC_PORT_C1:
ioex_set_level(IOEX_USB_C1_FAULT_ODL, !is_overcurrented);
break;
default:
break;
}
}
const struct tcpc_config_t tcpc_config[] = {
[USBC_PORT_C0] = {
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = I2C_PORT_TCPC0,
.addr_flags = NCT38XX_I2C_ADDR1_1_FLAGS,
},
.drv = &nct38xx_tcpm_drv,
.flags = TCPC_FLAGS_TCPCI_REV2_0,
},
[USBC_PORT_C1] = {
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = I2C_PORT_TCPC1,
.addr_flags = NCT38XX_I2C_ADDR1_1_FLAGS,
},
.drv = &nct38xx_tcpm_drv,
.flags = TCPC_FLAGS_TCPCI_REV2_0,
},
};
BUILD_ASSERT(ARRAY_SIZE(tcpc_config) == USBC_PORT_COUNT);
BUILD_ASSERT(CONFIG_USB_PD_PORT_MAX_COUNT == USBC_PORT_COUNT);
const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = {
[USBC_PORT_C0] = {
.i2c_port = I2C_PORT_TCPC0,
.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
},
[USBC_PORT_C1] = {
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
},
};
BUILD_ASSERT(ARRAY_SIZE(pi3usb9201_bc12_chips) == USBC_PORT_COUNT);
static void reset_pd_port(int port, enum gpio_signal reset_gpio_l,
int hold_delay, int finish_delay)
{
gpio_set_level(reset_gpio_l, 0);
msleep(hold_delay);
gpio_set_level(reset_gpio_l, 1);
if (finish_delay)
msleep(finish_delay);
}
void board_reset_pd_mcu(void)
{
/* Reset TCPC0 */
reset_pd_port(USBC_PORT_C0, GPIO_USB_C0_TCPC_RST_L,
NCT38XX_RESET_HOLD_DELAY_MS,
NCT38XX_RESET_POST_DELAY_MS);
/* Reset TCPC1 */
reset_pd_port(USBC_PORT_C1, GPIO_USB_C1_TCPC_RST_L,
NCT38XX_RESET_HOLD_DELAY_MS,
NCT38XX_RESET_POST_DELAY_MS);
}
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
/*
* Check which port has the ALERT line set and ignore if that TCPC has
* its reset line active.
*/
if (!gpio_get_level(GPIO_USB_C0_TCPC_INT_ODL)) {
if (gpio_get_level(GPIO_USB_C0_TCPC_RST_L) != 0)
status |= PD_STATUS_TCPC_ALERT_0;
}
if (!gpio_get_level(GPIO_USB_C1_TCPC_INT_ODL)) {
if (gpio_get_level(GPIO_USB_C1_TCPC_RST_L) != 0)
status |= PD_STATUS_TCPC_ALERT_1;
}
return status;
}
void tcpc_alert_event(enum gpio_signal signal)
{
int port = -1;
switch (signal) {
case GPIO_USB_C0_TCPC_INT_ODL:
port = 0;
break;
case GPIO_USB_C1_TCPC_INT_ODL:
port = 1;
break;
default:
return;
}
schedule_deferred_pd_interrupt(port);
}
void bc12_interrupt(enum gpio_signal signal)
{
switch (signal) {
case GPIO_USB_C0_BC12_INT_ODL:
task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12, 0);
break;
case GPIO_USB_C1_BC12_INT_ODL:
task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12, 0);
break;
default:
break;
}
}
static void setup_fw_config(void)
{
uint32_t board_version = 0;
if (cbi_get_board_version(&board_version) == EC_SUCCESS
&& board_version >= 2) {
ccprints("PS8743 USB MUX");
usb_muxes[USBC_PORT_C1].i2c_addr_flags = PS8743_I2C_ADDR1_FLAG;
usb_muxes[USBC_PORT_C1].driver = &ps8743_usb_mux_driver;
usb_muxes[USBC_PORT_C1].board_set = &board_ps8743_mux_set;
} else {
ccprints("PS8740 USB MUX");
usb_muxes[USBC_PORT_C1].i2c_addr_flags = PS8740_I2C_ADDR0_FLAG;
usb_muxes[USBC_PORT_C1].driver = &ps8740_usb_mux_driver;
usb_muxes[USBC_PORT_C1].board_set = NULL;
}
if (ec_config_get_usb_db() == DALBOZ_DB_D_OPT2_USBA_HDMI) {
ccprints("DB OPT2 HDMI");
ioex_config[IOEX_HDMI_PCAL6408].flags = 0;
ioex_init(IOEX_HDMI_PCAL6408);
IOEX_USB_A1_RETIMER_EN = IOEX_USB_A1_RETIMER_EN_OPT2;
IOEX_USB_A1_CHARGE_EN_DB_L = IOEX_USB_A1_CHARGE_EN_DB_L_OPT2;
usb_port_enable[USBA_PORT_A1] = IOEX_EN_USB_A1_5V_DB_OPT2;
c1_tcpc_config_interrupt = pcal6408_interrupt;
ioex_enable_interrupt(IOEX_HDMI_CONN_HPD_3V3_DB);
} else {
ccprints("DB OPT1 USBC");
ioex_config[IOEX_C1_NCT3807].flags = 0;
ioex_init(IOEX_C1_NCT3807);
IOEX_USB_A1_RETIMER_EN = IOEX_USB_A1_RETIMER_EN_OPT1;
IOEX_USB_A1_CHARGE_EN_DB_L = IOEX_USB_A1_CHARGE_EN_DB_L_OPT1;
usb_port_enable[USBA_PORT_A1] = IOEX_EN_USB_A1_5V_DB_OPT1;
c1_tcpc_config_interrupt = tcpc_alert_event;
}
/* Enable PPC interrupts. */
gpio_enable_interrupt(GPIO_USB_C0_PPC_FAULT_ODL);
gpio_enable_interrupt(GPIO_USB_C1_PPC_INT_ODL);
/* Enable TCPC interrupts. */
gpio_enable_interrupt(GPIO_USB_C0_TCPC_INT_ODL);
gpio_enable_interrupt(GPIO_USB_C1_TCPC_INT_ODL);
/* Enable BC 1.2 interrupts */
gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_ODL);
gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_ODL);
if (ec_config_has_lid_angle_tablet_mode()) {
/* Enable Gyro interrupts */
gpio_enable_interrupt(GPIO_6AXIS_INT_L);
} else {
motion_sensor_count = 0;
/* Device is clamshell only */
tablet_set_mode(0);
/* Gyro is not present, don't allow line to float */
gpio_set_flags(GPIO_6AXIS_INT_L, GPIO_INPUT | GPIO_PULL_DOWN);
}
}
DECLARE_HOOK(HOOK_INIT, setup_fw_config, HOOK_PRIO_INIT_I2C + 2);
const struct pwm_t pwm_channels[] = {
[PWM_CH_KBLIGHT] = {
.channel = 3,
.flags = PWM_CONFIG_DSLEEP,
.freq = 100,
},
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
struct ioexpander_config_t ioex_config[] = {
[IOEX_C0_NCT3807] = {
.i2c_host_port = I2C_PORT_TCPC0,
.i2c_slave_addr = NCT38XX_I2C_ADDR1_1_FLAGS,
.drv = &nct38xx_ioexpander_drv,
},
[IOEX_C1_NCT3807] = {
.i2c_host_port = I2C_PORT_TCPC1,
.i2c_slave_addr = NCT38XX_I2C_ADDR1_1_FLAGS,
.drv = &nct38xx_ioexpander_drv,
.flags = IOEX_FLAGS_DISABLED,
},
[IOEX_HDMI_PCAL6408] = {
.i2c_host_port = I2C_PORT_TCPC1,
.i2c_slave_addr = PCAL6408_I2C_ADDR0,
.drv = &pcal6408_ioexpander_drv,
.flags = IOEX_FLAGS_DISABLED,
},
};
BUILD_ASSERT(ARRAY_SIZE(ioex_config) == CONFIG_IO_EXPANDER_PORT_COUNT);
int usb_port_enable[USBA_PORT_COUNT] = {
IOEX_EN_USB_A0_5V,
IOEX_EN_USB_A1_5V_DB_OPT1,
};
static void usba_retimer_on(void)
{
ioex_set_level(IOEX_USB_A1_RETIMER_EN, 1);
}
DECLARE_HOOK(HOOK_CHIPSET_RESUME, usba_retimer_on, HOOK_PRIO_DEFAULT);
static void usba_retimer_off(void)
{
ioex_set_level(IOEX_USB_A1_RETIMER_EN, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, usba_retimer_off, HOOK_PRIO_DEFAULT);
/*
* If the battery is found on the V0 I2C port then re-map the battery port.
* Use HOOK_PRIO_INIT_I2C so we re-map before init_battery_type() and
* charger_chips_init() want to talk to the battery.
*/
static void check_v0_battery(void)
{
int status;
if (i2c_read16(I2C_PORT_BATTERY_V0, BATTERY_ADDR_FLAGS,
SB_BATTERY_STATUS, &status) == EC_SUCCESS) {
ccprints("V0 HW detected");
I2C_PORT_BATTERY = I2C_PORT_BATTERY_V0;
}
}
DECLARE_HOOK(HOOK_INIT, check_v0_battery, HOOK_PRIO_INIT_I2C);
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