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Index of /anon_sym/anon/usr/lib/modules/5.14.0-687.29.1.el9_8.x86_64/build/drivers/macintosh
Index of /anon_sym/anon/usr/lib/modules/5.14.0-687.29.1.el9_8.x86_64/build/drivers/macintosh
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Index of /anon_sym/anon/lib/modules/5.14.0-687.26.1.el9_8.x86_64/source/sound/soc/fsl
Index of /anon_sym/anon/lib/modules/5.14.0-687.26.1.el9_8.x86_64/source/sound/soc/fsl
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m3_I|+ /* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Helper functions for indirect PCM data transfer
*
* Copyright (c) by Takashi Iwai
* Jaroslav Kysela
*/
#ifndef __SOUND_PCM_INDIRECT_H
#define __SOUND_PCM_INDIRECT_H
#include
struct snd_pcm_indirect {
unsigned int hw_buffer_size; /* Byte size of hardware buffer */
unsigned int hw_queue_size; /* Max queue size of hw buffer (0 = buffer size) */
unsigned int hw_data; /* Offset to next dst (or src) in hw ring buffer */
unsigned int hw_io; /* Ring buffer hw pointer */
int hw_ready; /* Bytes ready for play (or captured) in hw ring buffer */
unsigned int sw_buffer_size; /* Byte size of software buffer */
unsigned int sw_data; /* Offset to next dst (or src) in sw ring buffer */
unsigned int sw_io; /* Current software pointer in bytes */
int sw_ready; /* Bytes ready to be transferred to/from hw */
snd_pcm_uframes_t appl_ptr; /* Last seen appl_ptr */
};
typedef void (*snd_pcm_indirect_copy_t)(struct snd_pcm_substream *substream,
struct snd_pcm_indirect *rec, size_t bytes);
/*
* helper function for playback ack callback
*/
static inline int
snd_pcm_indirect_playback_transfer(struct snd_pcm_substream *substream,