0f1f3f6d04
Add support for querying ION flags for dma_buf and for cache ops on dma_buf with CACHED Flag on. Change-Id: I219e564c477af8ba3b8676db1c9555a2b5b9ebab Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>
37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
/*
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* Copyright (c) 2013-2015, 2017-2018, 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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#ifndef _LINUX_MSM_AUDIO_ION_H
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#define _LINUX_MSM_AUDIO_ION_H
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#include <dsp/q6asm-v2.h>
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#include <sound/pcm.h>
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#include <linux/msm_ion.h>
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enum {
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MSM_AUDIO_ION_INV_CACHES = 0,
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MSM_AUDIO_ION_CLEAN_CACHES,
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};
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int msm_audio_ion_alloc(struct dma_buf **dma_buf, size_t bufsz,
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dma_addr_t *paddr, size_t *pa_len, void **vaddr);
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int msm_audio_ion_import(struct dma_buf **dma_buf, int fd,
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unsigned long *ionflag, size_t bufsz,
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dma_addr_t *paddr, size_t *pa_len, void **vaddr);
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int msm_audio_ion_free(struct dma_buf *dma_buf);
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int msm_audio_ion_mmap(struct audio_buffer *abuff, struct vm_area_struct *vma);
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int msm_audio_ion_cache_operations(struct audio_buffer *abuff, int cache_op);
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u32 msm_audio_populate_upper_32_bits(dma_addr_t pa);
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#endif /* _LINUX_MSM_AUDIO_ION_H */
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