404 	void (*private_free)(struct snd_pcm_runtime *runtime);
459 	/* -- runtime information -- */
460 	struct snd_pcm_runtime *runtime;  member
665 	return (substream->runtime->status->state == SNDRV_PCM_STATE_RUNNING ||  in snd_pcm_running()
666 		(substream->runtime->status->state == SNDRV_PCM_STATE_DRAINING &&  in snd_pcm_running()
672  * @runtime: PCM runtime instance
675 static inline ssize_t bytes_to_samples(struct snd_pcm_runtime *runtime, ssize_t size)  in bytes_to_samples()  argument
677 	return size * 8 / runtime->sample_bits;  in bytes_to_samples()
682  * @runtime: PCM runtime instance
685 static inline snd_pcm_sframes_t bytes_to_frames(struct snd_pcm_runtime *runtime, ssize_t size)  in bytes_to_frames()  argument
687 	return size * 8 / runtime->frame_bits;  in bytes_to_frames()
692  * @runtime: PCM runtime instance
695 static inline ssize_t samples_to_bytes(struct snd_pcm_runtime *runtime, ssize_t size)  in samples_to_bytes()  argument
697 	return size * runtime->sample_bits / 8;  in samples_to_bytes()
702  * @runtime: PCM runtime instance
705 static inline ssize_t frames_to_bytes(struct snd_pcm_runtime *runtime, snd_pcm_sframes_t size)  in frames_to_bytes()  argument
707 	return size * runtime->frame_bits / 8;  in frames_to_bytes()
712  * @runtime: PCM runtime instance
715 static inline int frame_aligned(struct snd_pcm_runtime *runtime, ssize_t bytes)  in frame_aligned()  argument
717 	return bytes % runtime->byte_align == 0;  in frame_aligned()
726 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_lib_buffer_bytes()  local
727 	return frames_to_bytes(runtime, runtime->buffer_size);  in snd_pcm_lib_buffer_bytes()
736 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_lib_period_bytes()  local
737 	return frames_to_bytes(runtime, runtime->period_size);  in snd_pcm_lib_period_bytes()
742  * @runtime: PCM runtime instance
746 static inline snd_pcm_uframes_t snd_pcm_playback_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_playback_avail()  argument
748 …snd_pcm_sframes_t avail = runtime->status->hw_ptr + runtime->buffer_size - runtime->control->appl_…  in snd_pcm_playback_avail()
750 		avail += runtime->boundary;  in snd_pcm_playback_avail()
751 	else if ((snd_pcm_uframes_t) avail >= runtime->boundary)  in snd_pcm_playback_avail()
752 		avail -= runtime->boundary;  in snd_pcm_playback_avail()
758  * @runtime: PCM runtime instance
762 static inline snd_pcm_uframes_t snd_pcm_capture_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_capture_avail()  argument
764 	snd_pcm_sframes_t avail = runtime->status->hw_ptr - runtime->control->appl_ptr;  in snd_pcm_capture_avail()
766 		avail += runtime->boundary;  in snd_pcm_capture_avail()
772  * @runtime: PCM runtime instance
774 static inline snd_pcm_sframes_t snd_pcm_playback_hw_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_playback_hw_avail()  argument
776 	return runtime->buffer_size - snd_pcm_playback_avail(runtime);  in snd_pcm_playback_hw_avail()
781  * @runtime: PCM runtime instance
783 static inline snd_pcm_sframes_t snd_pcm_capture_hw_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_capture_hw_avail()  argument
785 	return runtime->buffer_size - snd_pcm_capture_avail(runtime);  in snd_pcm_capture_hw_avail()
798 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_ready()  local
799 	return snd_pcm_playback_avail(runtime) >= runtime->control->avail_min;  in snd_pcm_playback_ready()
812 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_capture_ready()  local
813 	return snd_pcm_capture_avail(runtime) >= runtime->control->avail_min;  in snd_pcm_capture_ready()
827 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_data()  local
829 	if (runtime->stop_threshold >= runtime->boundary)  in snd_pcm_playback_data()
831 	return snd_pcm_playback_avail(runtime) < runtime->buffer_size;  in snd_pcm_playback_data()
844 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_empty()  local
845 	return snd_pcm_playback_avail(runtime) >= runtime->buffer_size;  in snd_pcm_playback_empty()
858 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_capture_empty()  local
859 	return snd_pcm_capture_avail(runtime) == 0;  in snd_pcm_capture_empty()
879 	substream->runtime->trigger_master = master;  in snd_pcm_trigger_done()
986 int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
988 int snd_pcm_hw_constraint_minmax(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
990 int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var);
991 int snd_pcm_hw_constraint_list(struct snd_pcm_runtime *runtime, 
995 int snd_pcm_hw_constraint_ranges(struct snd_pcm_runtime *runtime,
999 int snd_pcm_hw_constraint_ratnums(struct snd_pcm_runtime *runtime, 
1003 int snd_pcm_hw_constraint_ratdens(struct snd_pcm_runtime *runtime, 
1007 int snd_pcm_hw_constraint_msbits(struct snd_pcm_runtime *runtime, 
1011 int snd_pcm_hw_constraint_step(struct snd_pcm_runtime *runtime,
1015 int snd_pcm_hw_constraint_pow2(struct snd_pcm_runtime *runtime,
1018 int snd_pcm_hw_rule_noresample(struct snd_pcm_runtime *runtime,
1020 int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime,
1028  * @runtime: PCM runtime instance
1036 	struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,  in snd_pcm_hw_constraint_single()  argument
1039 	return snd_pcm_hw_constraint_minmax(runtime, var, val, val);  in snd_pcm_hw_constraint_single()
1137 snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime)  in snd_pcm_limit_hw_rates()  argument
1139 	return snd_pcm_hw_limit_rates(&runtime->hw);  in snd_pcm_limit_hw_rates()
1150  * snd_pcm_set_runtime_buffer - Set the PCM runtime buffer
1154  * Copy the buffer information to runtime->dma_buffer when @bufp is non-NULL.
1160 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_set_runtime_buffer()  local
1162 		runtime->dma_buffer_p = bufp;  in snd_pcm_set_runtime_buffer()
1163 		runtime->dma_area = bufp->area;  in snd_pcm_set_runtime_buffer()
1164 		runtime->dma_addr = bufp->addr;  in snd_pcm_set_runtime_buffer()
1165 		runtime->dma_bytes = bufp->bytes;  in snd_pcm_set_runtime_buffer()
1167 		runtime->dma_buffer_p = NULL;  in snd_pcm_set_runtime_buffer()
1168 		runtime->dma_area = NULL;  in snd_pcm_set_runtime_buffer()
1169 		runtime->dma_addr = 0;  in snd_pcm_set_runtime_buffer()
1170 		runtime->dma_bytes = 0;  in snd_pcm_set_runtime_buffer()
1176  * @runtime: PCM runtime instance
1179 static inline void snd_pcm_gettime(struct snd_pcm_runtime *runtime,  in snd_pcm_gettime()  argument
1182 	switch (runtime->tstamp_type) {  in snd_pcm_gettime()
1258 #define snd_pcm_get_dma_buf(substream) ((substream)->runtime->dma_buffer_p)