samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

dsp: add support for CMA heap allocation during call

Browse Source 
Add support for CMA heap allocation during call.

Change-Id: I65cd291a9db56bf53d9bb9b4e6c7236da9d7288c
Signed-off-by: Kunlei Zhang <kunleiz@codeaurora.org>
This commit is contained in:
Kunlei Zhang
2020-06-24 23:31:54 +08:00
parent 82e12e19d8
commit d9bf6df220
6 changed files with 399 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
include/dsp/msm_audio_ion.h
View File

@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2013-2015, 2017-2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2013-2015, 2017-2020, The Linux Foundation. All rights reserved.
*/
#ifndef _LINUX_MSM_AUDIO_ION_H
@@ -22,6 +22,10 @@ int msm_audio_ion_import(struct dma_buf **dma_buf, int fd,
unsigned long *ionflag, size_t bufsz,
dma_addr_t *paddr, size_t *pa_len, void **vaddr);
int msm_audio_ion_free(struct dma_buf *dma_buf);
int msm_audio_ion_import_cma(struct dma_buf **dma_buf, int fd,
unsigned long *ionflag, size_t bufsz,
dma_addr_t *paddr, size_t *pa_len, void **vaddr);
int msm_audio_ion_free_cma(struct dma_buf *dma_buf);
int msm_audio_ion_mmap(struct audio_buffer *abuff, struct vm_area_struct *vma);
int msm_audio_ion_cache_operations(struct audio_buffer *abuff, int cache_op);