84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2021 MediaTek Inc.
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*/
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#include "mtk-afe-external.h"
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#include <linux/module.h>
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static RAW_NOTIFIER_HEAD(afe_mem_init_noitify_chain);
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static ATOMIC_NOTIFIER_HEAD(semaphore_noitify_chain);
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static RAW_NOTIFIER_HEAD(ultra_afe_hw_free_noitify_chain);
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/* memory allocate */
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int register_afe_allocate_mem_notifier(struct notifier_block *nb)
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{
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int status;
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status = raw_notifier_chain_register(&afe_mem_init_noitify_chain, nb);
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return status;
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}
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EXPORT_SYMBOL_GPL(register_afe_allocate_mem_notifier);
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int unregister_afe_allocate_mem_notifier(struct notifier_block *nb)
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{
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int status;
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status = raw_notifier_chain_unregister(&afe_mem_init_noitify_chain, nb);
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return status;
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}
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EXPORT_SYMBOL_GPL(unregister_afe_allocate_mem_notifier);
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int notify_allocate_mem(unsigned long module, void *v)
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{
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return raw_notifier_call_chain(&afe_mem_init_noitify_chain, module, v);
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}
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EXPORT_SYMBOL_GPL(notify_allocate_mem);
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/* ultrasound register notify for AFE hw free */
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int register_ultra_afe_hw_free_notifier(struct notifier_block *nb)
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{
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int status;
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status = raw_notifier_chain_register(&ultra_afe_hw_free_noitify_chain, nb);
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return status;
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}
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EXPORT_SYMBOL_GPL(register_ultra_afe_hw_free_notifier);
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int unregister_ultra_afe_hw_free_notifier(struct notifier_block *nb)
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{
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int status;
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status = raw_notifier_chain_unregister(&ultra_afe_hw_free_noitify_chain, nb);
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return status;
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}
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EXPORT_SYMBOL_GPL(unregister_ultra_afe_hw_free_notifier);
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int notify_ultra_afe_hw_free(unsigned long module, void *v)
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{
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return raw_notifier_call_chain(&ultra_afe_hw_free_noitify_chain, module, v);
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}
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EXPORT_SYMBOL_GPL(notify_ultra_afe_hw_free);
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/* semaphore control */
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int register_3way_semaphore_notifier(struct notifier_block *nb)
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{
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return atomic_notifier_chain_register(&semaphore_noitify_chain, nb);
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}
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EXPORT_SYMBOL_GPL(register_3way_semaphore_notifier);
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int unregister_3way_semaphore_notifier(struct notifier_block *nb)
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{
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return atomic_notifier_chain_unregister(&semaphore_noitify_chain, nb);
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}
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EXPORT_SYMBOL_GPL(unregister_3way_semaphore_notifier);
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int notify_3way_semaphore_control(unsigned long module, void *v)
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{
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return atomic_notifier_call_chain(&semaphore_noitify_chain, module, v);
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}
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EXPORT_SYMBOL_GPL(notify_3way_semaphore_control);
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MODULE_DESCRIPTION("Mediatek afe external");
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MODULE_AUTHOR("Shane Chien <shane.chien@mediatek.com>");
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MODULE_LICENSE("GPL v2");
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