compress_ops.h

/* compress.h
**
** Copyright (c) 2019, The Linux Foundation. All rights reserved.
**
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** modification, are permitted provided that the following conditions are
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**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above
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**     from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
** ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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**/

#ifndef __COMPRESS_H__
#define __COMPRESS_H__

#include <poll.h>

#include "sound/compress_params.h"
#include "sound/compress_offload.h"

struct compress_ops {
	int (*open) (unsigned int card, unsigned int device,
			unsigned int flags, void **data, void *node);
	void (*close) (void *data);
	int (*ioctl) (void *data, unsigned int cmd, ...);
	int (*read) (void *data, void *buf, size_t size);
	int (*write) (void *data, const void *buf, size_t size);
	int (*poll) (void *data, struct pollfd *fds, nfds_t nfds,
				 int timeout);
};

#endif /* end of __PCM_H__ */