49cbca051c
Add support for virtualized ION frontend driver for audio. Virtualized ION driver currently is designed to extract physical memory through hypervisor abstracted ion layer, which can be shared between APPS and ADSP directly. Change-Id: I3c664ec3c3a99ce092da6ee103a3b2de4073664f Signed-off-by: Timothy Sham <tsham@codeaurora.org>
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef __MSM_AUDIO_EVENT_NOTIFY_H_
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#define __MSM_AUDIO_EVENT_NOTIFY_H_
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#include <linux/notifier.h>
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#if (IS_ENABLED(CONFIG_SND_SOC_MSM_QDSP6V2_INTF) || \
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IS_ENABLED(CONFIG_SND_SOC_MSM_QDSP6V2_VM))
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int msm_aud_evt_register_client(struct notifier_block *nb);
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int msm_aud_evt_unregister_client(struct notifier_block *nb);
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int msm_aud_evt_notifier_call_chain(unsigned long val, void *v);
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int msm_aud_evt_blocking_register_client(struct notifier_block *nb);
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int msm_aud_evt_blocking_unregister_client(struct notifier_block *nb);
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int msm_aud_evt_blocking_notifier_call_chain(unsigned long val, void *v);
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#else
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static inline int msm_aud_evt_register_client(struct notifier_block *nb)
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{
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return -ENOSYS;
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}
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static inline int msm_aud_evt_unregister_client(struct notifier_block *nb)
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{
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return -ENOSYS;
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}
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static inline int msm_aud_evt_notifier_call_chain(unsigned long val, void *v)
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{
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return -ENOSYS;
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}
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static inline int msm_aud_evt_blocking_register_client(
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struct notifier_block *nb)
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{
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return -ENOSYS;
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}
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static inline int msm_aud_evt_blocking_unregister_client(
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struct notifier_block *nb)
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{
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return -ENOSYS;
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}
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static inline int msm_aud_evt_blocking_notifier_call_chain(
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unsigned long val, void *v)
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{
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return -ENOSYS;
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}
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#endif
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enum {
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MSM_AUD_DC_EVENT = 1,
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SWR_WAKE_IRQ_REGISTER,
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SWR_WAKE_IRQ_DEREGISTER,
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SWR_WAKE_IRQ_EVENT,
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};
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#endif
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