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/* Copyright 2018 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Casta board-specific configuration */
#include "adc.h"
#include "battery.h"
#include "cbi_ssfc.h"
#include "charge_manager.h"
#include "charge_state.h"
#include "common.h"
#include "cros_board_info.h"
#include "driver/charger/bd9995x.h"
#include "driver/charger/bq25710.h"
#include "driver/charger/isl923x.h"
#include "driver/ppc/nx20p348x.h"
#include "driver/tcpm/anx7447.h"
#include "driver/tcpm/ps8xxx.h"
#include "driver/tcpm/tcpci.h"
#include "driver/tcpm/tcpm.h"
#include "extpower.h"
#include "gpio.h"
#include "hooks.h"
#include "i2c.h"
#include "keyboard_scan.h"
#include "lid_switch.h"
#include "power.h"
#include "power_button.h"
#include "switch.h"
#include "system.h"
#include "tcpm/tcpci.h"
#include "temp_sensor.h"
#include "temp_sensor/thermistor.h"
#include "usb_mux.h"
#include "usbc_ppc.h"
#include "util.h"
#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ##args)
#define CPRINTFUSB(format, args...) cprintf(CC_USBCHARGE, format, ##args)
#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ##args)
static uint8_t sku_id;
static void ppc_interrupt(enum gpio_signal signal)
{
switch (signal) {
case GPIO_USB_PD_C0_INT_ODL:
nx20p348x_interrupt(0);
break;
case GPIO_USB_PD_C1_INT_ODL:
nx20p348x_interrupt(1);
break;
default:
break;
}
}
/* Must come after other header files and GPIO interrupts*/
#include "gpio_list.h"
/* ADC channels */
const struct adc_t adc_channels[] = {
[ADC_TEMP_SENSOR_AMB] = { "TEMP_AMB", NPCX_ADC_CH0, ADC_MAX_VOLT,
ADC_READ_MAX + 1, 0 },
[ADC_TEMP_SENSOR_CHARGER] = { "TEMP_CHARGER", NPCX_ADC_CH1,
ADC_MAX_VOLT, ADC_READ_MAX + 1, 0 },
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
/* TODO(b/119872005): Casta: confirm thermistor parts */
const struct temp_sensor_t temp_sensors[] = {
[TEMP_SENSOR_BATTERY] = { .name = "Battery",
.type = TEMP_SENSOR_TYPE_BATTERY,
.read = charge_get_battery_temp,
.idx = 0 },
[TEMP_SENSOR_AMBIENT] = { .name = "Ambient",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = get_temp_3v3_51k1_47k_4050b,
.idx = ADC_TEMP_SENSOR_AMB },
[TEMP_SENSOR_CHARGER] = { .name = "Charger",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = get_temp_3v3_13k7_47k_4050b,
.idx = ADC_TEMP_SENSOR_CHARGER },
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
/* Charger config. Start i2c address at isl9238, update during runtime */
struct charger_config_t chg_chips[] = {
{
.i2c_port = I2C_PORT_CHARGER,
.i2c_addr_flags = ISL923X_ADDR_FLAGS,
.drv = &isl923x_drv,
},
};
const unsigned int chg_cnt = ARRAY_SIZE(chg_chips);
/*
* I2C callbacks to ensure bus free time for battery I2C transactions is at
* least 5ms.
*/
#define BATTERY_FREE_MIN_DELTA_US (5 * MSEC)
static timestamp_t battery_last_i2c_time;
static int is_battery_i2c(const int port, const uint16_t addr_flags)
{
return (port == I2C_PORT_BATTERY) && (addr_flags == BATTERY_ADDR_FLAGS);
}
static int is_battery_port(int port)
{
return (port == I2C_PORT_BATTERY);
}
void i2c_start_xfer_notify(const int port, const uint16_t addr_flags)
{
unsigned int time_delta_us;
if (!is_battery_i2c(port, addr_flags))
return;
time_delta_us = time_since32(battery_last_i2c_time);
if (time_delta_us >= BATTERY_FREE_MIN_DELTA_US)
return;
usleep(BATTERY_FREE_MIN_DELTA_US - time_delta_us);
}
void i2c_end_xfer_notify(const int port, const uint16_t addr_flags)
{
/*
* The bus free time needs to be maintained from last transaction
* on I2C bus to any device on it to the next transaction to battery.
*/
if (!is_battery_port(port))
return;
battery_last_i2c_time = get_time();
}
/* Read CBI from i2c eeprom and initialize variables for board variants */
static void cbi_init(void)
{
uint32_t val;
if (cbi_get_sku_id(&val) != EC_SUCCESS || val > UINT8_MAX)
return;
sku_id = val;
CPRINTS("SKU: %d", sku_id);
}
DECLARE_HOOK(HOOK_INIT, cbi_init, HOOK_PRIO_INIT_I2C);
static void board_init(void)
{
if (get_cbi_ssfc_charger() != SSFC_CHARGER_BQ25710)
return;
chg_chips[0].drv = &bq25710_drv;
chg_chips[0].i2c_addr_flags = BQ25710_SMBUS_ADDR1_FLAGS;
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_INIT_I2C);
static void set_input_limit_on_ac_removal(void)
{
if (extpower_is_present())
return;
if (get_cbi_ssfc_charger() != SSFC_CHARGER_BQ25710)
return;
charger_set_input_current_limit(0, CONFIG_CHARGER_INPUT_CURRENT);
}
DECLARE_HOOK(HOOK_AC_CHANGE, set_input_limit_on_ac_removal, HOOK_PRIO_DEFAULT);
void board_overcurrent_event(int port, int is_overcurrented)
{
/* Check that port number is valid. */
if ((port < 0) || (port >= CONFIG_USB_PD_PORT_MAX_COUNT))
return;
/* Note that the level is inverted because the pin is active low. */
gpio_set_level(GPIO_USB_C_OC, !is_overcurrented);
}
__override uint8_t board_get_usb_pd_port_count(void)
{
if (sku_id == 2)
return CONFIG_USB_PD_PORT_MAX_COUNT - 1;
return CONFIG_USB_PD_PORT_MAX_COUNT;
}
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