92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
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/*
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* NFC Wakelock
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#ifndef _NFC_WAKELOCK_H
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#define _NFC_WAKELOCK_H
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#include <linux/ktime.h>
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#include <linux/device.h>
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#include <linux/version.h>
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#define wake_lock_init(a, b, c) nfc_wake_lock_init(a, c)
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#define wake_lock_destroy(a) nfc_wake_lock_destroy(a)
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#define wake_lock_timeout(a, b) nfc_wake_lock_timeout(a, b)
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#define wake_lock_active(a) nfc_wake_lock_active(a)
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#define wake_lock(a) nfc_wake_lock(a)
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#define wake_unlock(a) nfc_wake_unlock(a)
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struct nfc_wake_lock {
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struct wakeup_source *ws;
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};
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static inline void nfc_wake_lock_init(struct nfc_wake_lock *lock, const char *name)
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{
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#if defined(CONFIG_SEC_NFC_WAKELOCK_METHOD)
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#if CONFIG_SEC_NFC_WAKELOCK_METHOD == 1
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wakeup_source_init(lock->ws, name); /* 4.19 R */
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if (!(lock->ws)) {
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lock->ws = wakeup_source_create(name);
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if (lock->ws)
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wakeup_source_add(lock->ws);
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}
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#elif CONFIG_SEC_NFC_WAKELOCK_METHOD == 2
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lock->ws = wakeup_source_register(NULL, name);
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#else
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#define CONFIG_AUTO_INIT_SELECTION
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#endif
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#else /* CONFIG_SEC_NFC_WAKELOCK_METHOD */
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#define CONFIG_AUTO_INIT_SELECTION
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#endif /* CONFIG_SEC_NFC_WAKELOCK_METHOD */
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#if defined(CONFIG_AUTO_INIT_SELECTION)
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#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 0)
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wakeup_source_init(lock->ws, name); /* 4.19 R */
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if (!(lock->ws)) {
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lock->ws = wakeup_source_create(name); /* 4.19 Q */
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if (lock->ws)
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wakeup_source_add(lock->ws);
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}
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#else
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lock->ws = wakeup_source_register(NULL, name); /* 5.4 R */
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#endif
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#endif
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}
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static inline void nfc_wake_lock_destroy(struct nfc_wake_lock *lock)
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{
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if (lock->ws)
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wakeup_source_unregister(lock->ws);
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}
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static inline void nfc_wake_lock(struct nfc_wake_lock *lock)
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{
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if (lock->ws)
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__pm_stay_awake(lock->ws);
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}
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static inline void nfc_wake_lock_timeout(struct nfc_wake_lock *lock, long timeout)
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{
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if (lock->ws)
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__pm_wakeup_event(lock->ws, jiffies_to_msecs(timeout));
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}
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static inline void nfc_wake_unlock(struct nfc_wake_lock *lock)
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{
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if (lock->ws)
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__pm_relax(lock->ws);
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}
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static inline int nfc_wake_lock_active(struct nfc_wake_lock *lock)
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{
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return lock->ws->active;
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}
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#endif
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