79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
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/* Copyright (c) 2016, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __AUDIO_SSR_H_
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#define __AUDIO_SSR_H_
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enum {
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AUDIO_SSR_DOMAIN_ADSP,
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AUDIO_SSR_DOMAIN_MODEM,
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AUDIO_SSR_DOMAIN_MAX
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};
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#ifdef CONFIG_MSM_QDSP6_SSR
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/*
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* Use audio_ssr_register to register with the SSR subsystem
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*
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* domain_id - Service to use, example: AUDIO_SSR_DOMAIN_ADSP
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* *nb - Pointer to a notifier block. Provide a callback function
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* to be notified of an event for that service. The ioctls
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* used by the callback are defined in subsystem_notif.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_ssr_register(int domain_id, struct notifier_block *nb);
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/*
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* Use audio_ssr_deregister to register with the SSR subsystem
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*
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* handle - Handle received from audio_ssr_register
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* *nb - Pointer to a notifier block. Callback function
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* Used from audio_ssr_register.
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*
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* Returns: Success: 0
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* Failure: Error code
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*/
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int audio_ssr_deregister(void *handle, struct notifier_block *nb);
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/*
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* Use audio_ssr_send_nmi to force a RAM dump on ADSP
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* down event.
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*
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* *ssr_cb_data - *data received from notifier callback
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*/
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void audio_ssr_send_nmi(void *ssr_cb_data);
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#else
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static inline void *audio_ssr_register(int domain_id,
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struct notifier_block *nb)
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{
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return NULL;
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}
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static inline int audio_ssr_deregister(void *handle, struct notifier_block *nb)
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{
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return 0;
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}
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static inline void audio_ssr_send_nmi(void *ssr_cb_data)
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{
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}
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#endif /* CONFIG_MSM_QDSP6_SSR */
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#endif
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