be1a516dcb
Add snapshot for audio drivers for MSM targets. The code is migrated from msm-3.18 kernel at the below commit/AU level - AU_LINUX_ANDROID_LA.HB.1.3.1.06.00.00.187.056 (e70ad0cd5efdd9dc91a77dcdac31d6132e1315c1) (Promotion of kernel.lnx.3.18-151201.) Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
/*
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* Copyright (c) 2013-2015, 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 <sound/q6asm-v2.h>
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#include <sound/pcm.h>
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#include <linux/msm_ion.h>
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int msm_audio_ion_alloc(const char *name, struct ion_client **client,
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struct ion_handle **handle, size_t bufsz,
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ion_phys_addr_t *paddr, size_t *pa_len, void **vaddr);
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int msm_audio_ion_import(const char *name, struct ion_client **client,
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struct ion_handle **handle, int fd,
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unsigned long *ionflag, size_t bufsz,
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ion_phys_addr_t *paddr, size_t *pa_len, void **vaddr);
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int msm_audio_ion_free(struct ion_client *client, struct ion_handle *handle);
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int msm_audio_ion_mmap(struct audio_buffer *substream,
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struct vm_area_struct *vma);
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bool msm_audio_ion_is_smmu_available(void);
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int msm_audio_ion_cache_operations(struct audio_buffer *abuff, int cache_op);
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struct ion_client *msm_audio_ion_client_create(const char *name);
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void msm_audio_ion_client_destroy(struct ion_client *client);
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int msm_audio_ion_import_legacy(const char *name, struct ion_client *client,
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struct ion_handle **handle, int fd,
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unsigned long *ionflag, size_t bufsz,
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ion_phys_addr_t *paddr, size_t *pa_len, void **vaddr);
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int msm_audio_ion_free_legacy(struct ion_client *client,
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struct ion_handle *handle);
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u32 populate_upper_32_bits(ion_phys_addr_t pa);
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#endif /* _LINUX_MSM_AUDIO_ION_H */
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