30 lines
774 B
C
30 lines
774 B
C
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/* sound/soc/samsung/abox/abox_mmap_fd.h
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*
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* ALSA SoC - Samsung Abox MMAP Exclusive mode driver
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*
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* Copyright (c) 2018 Samsung Electronics Co. Ltd.
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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 as
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* published by the Free Software Foundation.
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*/
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#ifndef __SND_SOC_ABOX_MMAPFD_H
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#define __SND_SOC_ABOX_MMAPFD_H
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#include "abox.h"
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#define BUFFER_ION_BYTES_MAX (SZ_512K)
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extern int abox_mmap_fd(struct abox_platform_data *data,
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struct snd_pcm_mmap_fd *mmap_fd);
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extern int abox_ion_alloc(struct abox_platform_data *data,
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struct abox_ion_buf *buf,
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unsigned long iova,
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size_t size,
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size_t align);
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extern int abox_ion_free(struct abox_platform_data *data);
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#endif
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