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a155-U-u1/kernel-5.10/drivers/battery/common/sec_charging_modprobe.c
2024-03-11 06:53:12 +11:00

76 lines
1.9 KiB
C

/*
* sec_charging_modprobe.c
* Samsung Mobile Battery Driver
*
* Copyright (C) 2021 Samsung Electronics
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include "sec_charging_modprobe.h"
#define MODPROB_TIMEOUT 20000
#if IS_MODULE(CONFIG_BATTERY_SAMSUNG)
static struct dev_init_info gdev_init;
void sec_chg_init_gdev(void)
{
gdev_init.dev = 0;
init_waitqueue_head(&gdev_init.dev_wait);
}
int sec_chg_set_dev_init(unsigned int dev)
{
gdev_init.dev |= dev;
wake_up(&gdev_init.dev_wait);
return 0;
}
EXPORT_SYMBOL(sec_chg_set_dev_init);
void sec_chg_check_modprobe(void)
{
unsigned int check_dev = 0;
check_dev |= SC_DEV_FG | SC_DEV_MAIN_CHG;
#if IS_ENABLED(CONFIG_DUAL_BATTERY)
check_dev |= SC_DEV_MAIN_LIM | SC_DEV_SUB_LIM;
#endif
#if IS_ENABLED(CONFIG_DIRECT_CHARGING)
check_dev |= SC_DEV_DIR_CHG | SC_DEV_SEC_DIR_CHG;
#endif
#if IS_ENABLED(CONFIG_WIRELESS_CHARGING)
check_dev |= SC_DEV_WRL_CHG;
#if IS_ENABLED(CONFIG_SB_MFC)
check_dev |= SC_DEV_SB_MFC;
#endif
#endif
if (!wait_event_timeout(gdev_init.dev_wait,
gdev_init.dev == check_dev, msecs_to_jiffies(MODPROB_TIMEOUT)))
pr_info("%s: dev_init timeout(0x%x)\n", __func__, gdev_init.dev);
else
pr_info("%s: takes time to wait(0x%x)\n", __func__, gdev_init.dev);
}
EXPORT_SYMBOL(sec_chg_check_modprobe);
void sec_chg_check_dev_modprobe(unsigned int dev)
{
if (!wait_event_timeout(gdev_init.dev_wait,
gdev_init.dev & dev, msecs_to_jiffies(MODPROB_TIMEOUT)))
pr_info("%s: dev_init timeout(0x%x)\n", __func__, dev);
else
pr_info("%s: takes time to wait(0x%x)\n", __func__, dev);
}
EXPORT_SYMBOL(sec_chg_check_dev_modprobe);
#else
void sec_chg_init_gdev(void) { }
int sec_chg_set_dev_init(unsigned int dev) { return 0; }
void sec_chg_check_modprobe(void) { }
void sec_chg_check_dev_modprobe(unsigned int dev) { }
#endif