91a8910061
git-subtree-dir: qcom/opensource/audio-kernel git-subtree-mainline:99ab089c55git-subtree-split:0ee387dfadChange-Id: repo: https://git.codelinaro.org/clo/la/platform/vendor/qcom/opensource/audio-kernel-ar tag: AUDIO.LA.9.0.r1-07400-lanai.0
61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2016-2018, 2020 The Linux Foundation. All rights reserved.
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*/
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#ifndef __AUDIO_PDR_H_
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#define __AUDIO_PDR_H_
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#include <linux/soc/qcom/pdr.h>
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enum {
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AUDIO_PDR_DOMAIN_ADSP,
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AUDIO_PDR_DOMAIN_MAX
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};
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#ifdef CONFIG_MSM_QDSP6_PDR
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/*
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* Use audio_pdr_service_register to register with a PDR service
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* Function should be called after nb callback registered with
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* audio_pdr_register has been called back with the
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* AUDIO_PDR_FRAMEWORK_UP ioctl.
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*
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* domain_id - Domain to use, example: AUDIO_PDR_ADSP
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* *cb - Pointer to a callback function that will be notified of the state
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* of the domain requested. The ioctls received by the callback are
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* defined in pdr.h.
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*
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* Returns: Success: Client handle
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* Failure: Pointer error code
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*/
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void *audio_pdr_service_register(int domain_id, void (*cb)(int, char *, void *));
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/*
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* Use audio_pdr_service_deregister to deregister with a PDR
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* service that was registered using the audio_pdr_service_register
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* API.
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*
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* domain_id - Domain to use, example: AUDIO_PDR_ADSP
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*
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* Returns: Success: zero
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* Failure: Error code
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*/
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int audio_pdr_service_deregister(int domain_id);
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#else
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static inline void *audio_pdr_service_register(int domain_id, void (*cb)(int, char *, void *))
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{
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return NULL;
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}
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static inline int audio_pdr_service_deregister(int domain_id)
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{
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return 0;
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}
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#endif /* CONFIG_MSM_QDSP6_PDR */
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#endif
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