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dsp: add audio ion virtualization support

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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>
This commit is contained in:
Timothy Sham
2019-02-16 02:33:47 -05:00
committed by Gerrit - the friendly Code Review server
parent 586382a701
commit 49cbca051c
3 changed files with 910 additions and 2 deletions
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5
include/dsp/msm-audio-event-notify.h
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@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2018, The Linux Foundation. All rights reserved.
* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
*/
#ifndef __MSM_AUDIO_EVENT_NOTIFY_H_
@@ -8,7 +8,8 @@
#include <linux/notifier.h>
#if IS_ENABLED(CONFIG_SND_SOC_MSM_QDSP6V2_INTF)
#if (IS_ENABLED(CONFIG_SND_SOC_MSM_QDSP6V2_INTF) || \
IS_ENABLED(CONFIG_SND_SOC_MSM_QDSP6V2_VM))
int msm_aud_evt_register_client(struct notifier_block *nb);
int msm_aud_evt_unregister_client(struct notifier_block *nb);
int msm_aud_evt_notifier_call_chain(unsigned long val, void *v);