Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __SOUND_PCM_OSS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __SOUND_PCM_OSS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *  Digital Audio (PCM) - OSS compatibility abstract layer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) struct snd_pcm_oss_setup {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	char *task_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	unsigned int disable:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 		     direct:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 		     block:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 		     nonblock:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 		     partialfrag:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		     nosilence:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 		     buggyptr:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	unsigned int periods;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	unsigned int period_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	struct snd_pcm_oss_setup *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct snd_pcm_oss_runtime {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	unsigned params: 1,			/* format/parameter change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 		 prepare: 1,			/* need to prepare the operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 		 trigger: 1,			/* trigger flag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		 sync_trigger: 1;		/* sync trigger flag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	int rate;				/* requested rate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	int format;				/* requested OSS format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	unsigned int channels;			/* requested channels */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	unsigned int fragshift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	unsigned int maxfrags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	unsigned int subdivision;		/* requested subdivision */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	size_t period_bytes;			/* requested period size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	size_t period_frames;			/* period frames for poll */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	size_t period_ptr;			/* actual write pointer to period */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	unsigned int periods;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	size_t buffer_bytes;			/* requested buffer size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	size_t bytes;				/* total # bytes processed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	size_t mmap_bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	char *buffer;				/* vmallocated period */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	size_t buffer_used;			/* used length from period buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	struct mutex params_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	atomic_t rw_ref;		/* concurrent read/write accesses */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #ifdef CONFIG_SND_PCM_OSS_PLUGINS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	struct snd_pcm_plugin *plugin_first;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	struct snd_pcm_plugin *plugin_last;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	unsigned int prev_hw_ptr_period;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct snd_pcm_oss_file {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	struct snd_pcm_substream *streams[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct snd_pcm_oss_substream {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	unsigned oss: 1;			/* oss mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	struct snd_pcm_oss_setup setup;		/* active setup */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct snd_pcm_oss_stream {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	struct snd_pcm_oss_setup *setup_list;	/* setup list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	struct mutex setup_mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #ifdef CONFIG_SND_VERBOSE_PROCFS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	struct snd_info_entry *proc_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct snd_pcm_oss {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 	int reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 	unsigned int reg_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #endif /* __SOUND_PCM_OSS_H */