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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "battery.h"
#include "button.h"
#include "charge_ramp.h"
#include "charger.h"
#include "common.h"
#include "compile_time_macros.h"
#include "console.h"
#include "cros_board_info.h"
#include "gpio.h"
#include "gpio_signal.h"
#include "hooks.h"
#include "driver/als_tcs3400.h"
#include "driver/charger/isl9241.h"
#include "driver/retimer/bb_retimer.h"
#include "fw_config.h"
#include "hooks.h"
#include "keyboard_customization.h"
#include "keyboard_scan.h"
#include "lid_switch.h"
#include "power_button.h"
#include "power.h"
#include "registers.h"
#include "switch.h"
#include "throttle_ap.h"
#include "usbc_config.h"
#include "watchdog.h"
#include "gpio_list.h" /* Must come after other header files. */
/* Console output macros */
#define CPRINTF(format, args...) cprintf(CC_CHARGER, format, ##args)
#define CPRINTS(format, args...) cprints(CC_CHARGER, format, ##args)
/*
* USBA card connect to chromebook the USB_3_CONNECTION
* bit would be enable.
* It will increase BBR power consumption, so clear
* USB3_Connection bit in S0ix and enable when return S0.
*/
void set_bb_retimer_usb3_state(bool enable)
{
mux_state_t mux_state = 0;
for (int i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) {
const struct usb_mux *mux = usb_muxes[i].mux;
mux_state = usb_mux_get(i);
if ((mux_state & USB_PD_MUX_USB_ENABLED)) {
bb_retimer_set_usb3(mux, enable);
}
}
}
/* Called on AP S3 -> S0 transition */
static void board_chipset_resume(void)
{
if (chipset_in_state(CHIPSET_STATE_ON))
set_bb_retimer_usb3_state(true);
}
DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT);
/* Called on AP S0 -> S3 transition */
static void board_chipset_suspend(void)
{
set_bb_retimer_usb3_state(false);
}
DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT);
void board_set_charger_current_limit_deferred(void)
{
int action;
int rv;
if (extpower_is_present() &&
(battery_get_disconnect_state() != BATTERY_NOT_DISCONNECTED))
/* AC only or AC+DC but battery is disconnect */
action = MASK_SET;
else
action = MASK_CLR;
rv = i2c_update16(chg_chips[CHARGER_SOLO].i2c_port,
chg_chips[CHARGER_SOLO].i2c_addr_flags,
ISL9241_REG_CONTROL3,
ISL9241_CONTROL3_INPUT_CURRENT_LIMIT, action);
if (rv)
CPRINTF("Could not set charger input current limit! Error: %d\n",
rv);
}
DECLARE_DEFERRED(board_set_charger_current_limit_deferred);
DECLARE_HOOK(HOOK_SECOND, board_set_charger_current_limit_deferred,
HOOK_PRIO_DEFAULT);
void battery_present_interrupt(enum gpio_signal signal)
{
hook_call_deferred(&board_set_charger_current_limit_deferred_data, 0);
}
static uint32_t board_id;
static void configure_keyboard(void)
{
uint32_t cbi_val;
/* Board ID */
if (cbi_get_board_version(&cbi_val) != EC_SUCCESS ||
cbi_val > UINT8_MAX)
CPRINTS("CBI: Read Board ID failed");
else
board_id = cbi_val;
CPRINTS("Read Board ID: %d", board_id);
if (board_id == 0) {
/* keyboard_col2_inverted on board id 0 */
gpio_set_flags(GPIO_EC_KSO_04_INV, GPIO_ODR_HIGH);
gpio_set_flags(GPIO_EC_KSO_05_INV, GPIO_ODR_HIGH);
gpio_set_alternate_function(GPIO_PORT_1, (BIT(4) | BIT(5)),
GPIO_ALT_FUNC_DEFAULT);
} else if (board_id == 1) {
/* keyboard_col4_inverted on board id 1 */
gpio_set_flags(GPIO_EC_KSO_02_INV, GPIO_ODR_HIGH);
gpio_set_flags(GPIO_EC_KSO_05_INV, GPIO_ODR_HIGH);
gpio_set_alternate_function(GPIO_PORT_1, (BIT(4) | BIT(7)),
GPIO_ALT_FUNC_DEFAULT);
} else {
/* keyboard_col5_inverted on board id 2 and later */
gpio_set_flags(GPIO_EC_KSO_02_INV, GPIO_ODR_HIGH);
gpio_set_flags(GPIO_EC_KSO_04_INV, GPIO_ODR_HIGH);
gpio_set_alternate_function(GPIO_PORT_1, (BIT(5) | BIT(7)),
GPIO_ALT_FUNC_DEFAULT);
key_typ.col_refresh = KEYBOARD_COL_ID2_REFRESH;
key_typ.row_refresh = KEYBOARD_ROW_ID2_REFRESH;
}
board_id_keyboard_col_inverted((int)board_id);
}
void board_init(void)
{
gpio_enable_interrupt(GPIO_EC_BATT_PRES_ODL);
hook_call_deferred(&board_set_charger_current_limit_deferred_data, 0);
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
__override void board_pre_task_i2c_peripheral_init(void)
{
/* Configure board specific keyboard */
configure_keyboard();
/* Workaround for b:238683420 with board id >= 2 */
#ifdef SECTION_IS_RO
if (board_id >= 2) {
udelay(500 * MSEC);
watchdog_reload();
CPRINTS("Add delay to check boot key");
}
#endif
}
__override uint8_t board_keyboard_row_refresh(void)
{
if (board_id < 2)
return KEYBOARD_ROW_ID1_REFRESH;
else
return KEYBOARD_ROW_ID2_REFRESH;
}
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