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/* Copyright 2015 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.
*/
/* Glados board-specific configuration */
#include "adc_chip.h"
#include "bd99992gw.h"
#include "button.h"
#include "charge_manager.h"
#include "charge_state.h"
#include "charger.h"
#include "console.h"
#include "extpower.h"
#include "gpio.h"
#include "hooks.h"
#include "host_command.h"
#include "i2c.h"
#include "lid_switch.h"
#include "pi3usb9281.h"
#include "power.h"
#include "power_button.h"
#include "spi.h"
#include "switch.h"
#include "task.h"
#include "temp_sensor.h"
#include "timer.h"
#include "usb_charge.h"
#include "usb_mux.h"
#include "usb_pd.h"
#include "usb_pd_tcpm.h"
#include "util.h"
#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
#define GPIO_KB_INPUT (GPIO_INPUT | GPIO_PULL_UP)
#define GPIO_KB_OUTPUT (GPIO_ODR_HIGH)
#define I2C_ADDR_BD99992 0x60
/* Exchange status with PD MCU. */
static void pd_mcu_interrupt(enum gpio_signal signal)
{
/* Exchange status with PD MCU to determine interrupt cause */
host_command_pd_send_status(0);
}
static void update_vbus_supplier(int port, int vbus_level)
{
struct charge_port_info charge;
/*
* If VBUS is low, or VBUS is high and we are not outputting VBUS
* ourselves, then update the VBUS supplier.
*/
if (!vbus_level || !usb_charger_port_is_sourcing_vbus(port)) {
charge.voltage = USB_CHARGER_VOLTAGE_MV;
charge.current = vbus_level ? USB_CHARGER_MIN_CURR_MA : 0;
charge_manager_update_charge(CHARGE_SUPPLIER_VBUS,
port,
&charge);
}
}
void vbus0_evt(enum gpio_signal signal)
{
/* VBUS present GPIO is inverted */
int vbus_level = !gpio_get_level(signal);
CPRINTF("VBUS C0, %d\n", vbus_level);
update_vbus_supplier(0, vbus_level);
task_wake(TASK_ID_PD_C0);
}
void vbus1_evt(enum gpio_signal signal)
{
/* VBUS present GPIO is inverted */
int vbus_level = !gpio_get_level(signal);
CPRINTF("VBUS C1, %d\n", vbus_level);
update_vbus_supplier(0, vbus_level);
task_wake(TASK_ID_PD_C1);
}
void usb0_evt(enum gpio_signal signal)
{
task_wake(TASK_ID_USB_CHG_P0);
}
void usb1_evt(enum gpio_signal signal)
{
task_wake(TASK_ID_USB_CHG_P1);
}
#include "gpio_list.h"
/* power signal list. Must match order of enum power_signal. */
const struct power_signal_info power_signal_list[] = {
{GPIO_RSMRST_L_PGOOD, 1, "RSMRST_N_PWRGD"},
{GPIO_PCH_SLP_S0_L, 1, "SLP_S0_DEASSERTED"},
{GPIO_PCH_SLP_S3_L, 1, "SLP_S3_DEASSERTED"},
{GPIO_PCH_SLP_S4_L, 1, "SLP_S4_DEASSERTED"},
{GPIO_PCH_SLP_SUS_L, 1, "SLP_SUS_DEASSERTED"},
{GPIO_PMIC_DPWROK, 1, "PMIC_DPWROK"},
};
BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
/* ADC channels */
const struct adc_t adc_channels[] = {
/* Vbus sensing. Converted to mV, full ADC is equivalent to 33V. */
[ADC_VBUS] = {"VBUS", 33000, 1024, 0, 1},
/* Adapter current output or battery discharging current */
[ADC_AMON_BMON] = {"AMON_BMON", 1, 1, 0, 3},
/* System current consumption */
[ADC_PSYS] = {"PSYS", 1, 1, 0, 4},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
#ifdef GLADOS_BOARD_V1
const struct i2c_port_t i2c_ports[] = {
{"batt", MEC1322_I2C0_0, 100, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA},
{"muxes", MEC1322_I2C0_1, 100, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA},
{"pd_mcu", MEC1322_I2C1, 1000, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
{"sensors", MEC1322_I2C2, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA },
{"pmic", MEC1322_I2C3, 400, GPIO_I2C3_SCL, GPIO_I2C3_SDA },
};
#else
const struct i2c_port_t i2c_ports[] = {
{"pmic", MEC1322_I2C0_0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA},
{"muxes", MEC1322_I2C0_1, 400, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA},
{"pd_mcu", MEC1322_I2C1, 1000, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
{"sensors", MEC1322_I2C2, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA },
{"batt", MEC1322_I2C3, 100, GPIO_I2C3_SCL, GPIO_I2C3_SDA },
};
#endif
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/* SPI devices */
const struct spi_device_t spi_devices[] = {
{ CONFIG_SPI_FLASH_PORT, 0, GPIO_PVT_CS0},
};
const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices);
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);
struct pi3usb9281_config pi3usb9281_chips[] = {
{
.i2c_port = I2C_PORT_USB_CHARGER_1,
.mux_lock = NULL,
},
{
.i2c_port = I2C_PORT_USB_CHARGER_2,
.mux_lock = NULL,
},
};
BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) ==
CONFIG_USB_SWITCH_PI3USB9281_CHIP_COUNT);
struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = {
{
.port_addr = 0xa8,
.driver = &pi3usb30532_usb_mux_driver,
},
{
.port_addr = 0x20,
.driver = &ps8740_usb_mux_driver,
}
};
void board_set_usb_switches(int port, enum usb_switch setting)
{
/* TODO: Set open / close USB switches based on param */
}
/**
* Reset PD MCU
*/
void board_reset_pd_mcu(void)
{
gpio_set_level(GPIO_PD_RST_L, 0);
usleep(100);
gpio_set_level(GPIO_PD_RST_L, 1);
}
const struct temp_sensor_t temp_sensors[] = {
{"Battery", TEMP_SENSOR_TYPE_BATTERY, charge_temp_sensor_get_val, 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},
{"Wifi", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val,
BD99992GW_ADC_CHANNEL_SYSTHERM3, 4},
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
/*
* Thermal limits for each temp sensor. All temps are in degrees K. Must be in
* same order as enum temp_sensor_id. To always ignore any temp, use 0.
*/
struct ec_thermal_config thermal_params[] = {
/* {Twarn, Thigh, Thalt}, fan_off, fan_max */
{{0, 0, 0}, 0, 0}, /* Battery */
{{0, 0, 0}, 0, 0}, /* Ambient */
{{0, 0, 0}, 0, 0}, /* Charger */
{{0, 0, 0}, 0, 0}, /* DRAM */
{{0, 0, 0}, 0, 0}, /* Wifi */
};
BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT);
const struct button_config buttons[CONFIG_BUTTON_COUNT] = {
{ 0 },
{ 0 },
};
static void pmic_init(void)
{
/*
* Set V085ACNT / V0.85A Control Register:
* Lower power mode = 0.7V.
* Nominal output = 1.0V.
*/
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x38, 0x7a);
}
DECLARE_HOOK(HOOK_CHIPSET_PRE_INIT, pmic_init, HOOK_PRIO_DEFAULT);
/* Initialize board. */
static void board_init(void)
{
int i;
struct charge_port_info charge_none;
/* Enable PD MCU interrupt */
gpio_enable_interrupt(GPIO_PD_MCU_INT);
/* Enable VBUS interrupt */
gpio_enable_interrupt(GPIO_USB_C0_VBUS_WAKE_L);
gpio_enable_interrupt(GPIO_USB_C1_VBUS_WAKE_L);
/* Initialize all pericom charge suppliers to 0 */
charge_none.voltage = USB_CHARGER_VOLTAGE_MV;
charge_none.current = 0;
for (i = 0; i < CONFIG_USB_PD_PORT_COUNT; i++) {
charge_manager_update_charge(CHARGE_SUPPLIER_PROPRIETARY,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_BC12_CDP,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_BC12_DCP,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_BC12_SDP,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_OTHER,
i,
&charge_none);
}
/* Initialize VBUS supplier based on whether or not VBUS is present */
update_vbus_supplier(0, !gpio_get_level(GPIO_USB_C0_VBUS_WAKE_L));
update_vbus_supplier(1, !gpio_get_level(GPIO_USB_C1_VBUS_WAKE_L));
/* Enable pericom BC1.2 interrupts */
gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L);
gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L);
/* Provide AC status to the PCH */
gpio_set_level(GPIO_PCH_ACOK, extpower_is_present());
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
/**
* Buffer the AC present GPIO to the PCH.
*/
static void board_extpower(void)
{
gpio_set_level(GPIO_PCH_ACOK, extpower_is_present());
}
DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT);
/**
* 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)
{
/* charge port is a realy physical port */
int is_real_port = (charge_port >= 0 &&
charge_port < CONFIG_USB_PD_PORT_COUNT);
/* check if we are source vbus on that port */
int source = gpio_get_level(charge_port == 0 ? GPIO_USB_C0_5V_EN :
GPIO_USB_C1_5V_EN);
if (is_real_port && source) {
CPRINTS("Skip enable p%d", charge_port);
return EC_ERROR_INVAL;
}
CPRINTS("New chg p%d", charge_port);
if (charge_port == CHARGE_PORT_NONE) {
/*
* TODO: currently we only get VBUS knowledge when charge
* is enabled. so, when not charging, we need to enable
* both ports. but, this is dangerous if you have two
* chargers plugged in and you set charge override to -1
* then it will enable both sides!
*/
gpio_set_level(GPIO_USB_C0_CHARGE_EN_L, 0);
gpio_set_level(GPIO_USB_C1_CHARGE_EN_L, 0);
} else {
/* Make sure non-charging port is disabled */
gpio_set_level(charge_port ? GPIO_USB_C0_CHARGE_EN_L :
GPIO_USB_C1_CHARGE_EN_L, 1);
/* Enable charging port */
gpio_set_level(charge_port ? GPIO_USB_C1_CHARGE_EN_L :
GPIO_USB_C0_CHARGE_EN_L, 0);
}
return EC_SUCCESS;
}
/**
* Set the charge limit based upon desired maximum.
*
* @param charge_ma Desired charge limit (mA).
*/
void board_set_charge_limit(int charge_ma)
{
charge_set_input_current_limit(MAX(charge_ma,
CONFIG_CHARGER_INPUT_CURRENT));
}
/* Called on AP S5 -> S3 transition */
void board_chipset_startup(void)
{
gpio_set_level(GPIO_PP1800_DX_AUDIO_EN, 1);
}
DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT);
/* Called on AP S3 -> S5 transition */
void board_chipset_shutdown(void)
{
gpio_set_level(GPIO_PP1800_DX_AUDIO_EN, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT);
/* Called on AP S3 -> S0 transition */
void board_chipset_resume(void)
{
gpio_set_level(GPIO_PP1800_DX_SENSOR_EN, 1);
}
DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT);
/* Called on AP S0 -> S3 transition */
void board_chipset_suspend(void)
{
gpio_set_level(GPIO_PP1800_DX_SENSOR_EN, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT);
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