410 	void (*private_free)(struct snd_pcm_runtime *runtime);
460 	/* -- runtime information -- */
461 	struct snd_pcm_runtime *runtime;  member
676 	return (substream->runtime->status->state == SNDRV_PCM_STATE_RUNNING ||  in snd_pcm_running()
677 		(substream->runtime->status->state == SNDRV_PCM_STATE_DRAINING &&  in snd_pcm_running()
683  * @runtime: PCM runtime instance
686 static inline ssize_t bytes_to_samples(struct snd_pcm_runtime *runtime, ssize_t size)  in bytes_to_samples()  argument
688 	return size * 8 / runtime->sample_bits;  in bytes_to_samples()
693  * @runtime: PCM runtime instance
696 static inline snd_pcm_sframes_t bytes_to_frames(struct snd_pcm_runtime *runtime, ssize_t size)  in bytes_to_frames()  argument
698 	return size * 8 / runtime->frame_bits;  in bytes_to_frames()
703  * @runtime: PCM runtime instance
706 static inline ssize_t samples_to_bytes(struct snd_pcm_runtime *runtime, ssize_t size)  in samples_to_bytes()  argument
708 	return size * runtime->sample_bits / 8;  in samples_to_bytes()
713  * @runtime: PCM runtime instance
716 static inline ssize_t frames_to_bytes(struct snd_pcm_runtime *runtime, snd_pcm_sframes_t size)  in frames_to_bytes()  argument
718 	return size * runtime->frame_bits / 8;  in frames_to_bytes()
723  * @runtime: PCM runtime instance
726 static inline int frame_aligned(struct snd_pcm_runtime *runtime, ssize_t bytes)  in frame_aligned()  argument
728 	return bytes % runtime->byte_align == 0;  in frame_aligned()
737 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_lib_buffer_bytes()  local
738 	return frames_to_bytes(runtime, runtime->buffer_size);  in snd_pcm_lib_buffer_bytes()
747 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_lib_period_bytes()  local
748 	return frames_to_bytes(runtime, runtime->period_size);  in snd_pcm_lib_period_bytes()
753  * @runtime: PCM runtime instance
757 static inline snd_pcm_uframes_t snd_pcm_playback_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_playback_avail()  argument
759 …snd_pcm_sframes_t avail = runtime->status->hw_ptr + runtime->buffer_size - runtime->control->appl_…  in snd_pcm_playback_avail()
761 		avail += runtime->boundary;  in snd_pcm_playback_avail()
762 	else if ((snd_pcm_uframes_t) avail >= runtime->boundary)  in snd_pcm_playback_avail()
763 		avail -= runtime->boundary;  in snd_pcm_playback_avail()
769  * @runtime: PCM runtime instance
773 static inline snd_pcm_uframes_t snd_pcm_capture_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_capture_avail()  argument
775 	snd_pcm_sframes_t avail = runtime->status->hw_ptr - runtime->control->appl_ptr;  in snd_pcm_capture_avail()
777 		avail += runtime->boundary;  in snd_pcm_capture_avail()
783  * @runtime: PCM runtime instance
785 static inline snd_pcm_sframes_t snd_pcm_playback_hw_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_playback_hw_avail()  argument
787 	return runtime->buffer_size - snd_pcm_playback_avail(runtime);  in snd_pcm_playback_hw_avail()
792  * @runtime: PCM runtime instance
794 static inline snd_pcm_sframes_t snd_pcm_capture_hw_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_capture_hw_avail()  argument
796 	return runtime->buffer_size - snd_pcm_capture_avail(runtime);  in snd_pcm_capture_hw_avail()
809 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_ready()  local
810 	return snd_pcm_playback_avail(runtime) >= runtime->control->avail_min;  in snd_pcm_playback_ready()
823 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_capture_ready()  local
824 	return snd_pcm_capture_avail(runtime) >= runtime->control->avail_min;  in snd_pcm_capture_ready()
838 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_data()  local
840 	if (runtime->stop_threshold >= runtime->boundary)  in snd_pcm_playback_data()
842 	return snd_pcm_playback_avail(runtime) < runtime->buffer_size;  in snd_pcm_playback_data()
855 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_empty()  local
856 	return snd_pcm_playback_avail(runtime) >= runtime->buffer_size;  in snd_pcm_playback_empty()
869 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_capture_empty()  local
870 	return snd_pcm_capture_avail(runtime) == 0;  in snd_pcm_capture_empty()
890 	substream->runtime->trigger_master = master;  in snd_pcm_trigger_done()
997 int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
999 int snd_pcm_hw_constraint_minmax(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
1001 int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var);
1002 int snd_pcm_hw_constraint_list(struct snd_pcm_runtime *runtime, 
1006 int snd_pcm_hw_constraint_ranges(struct snd_pcm_runtime *runtime,
1010 int snd_pcm_hw_constraint_ratnums(struct snd_pcm_runtime *runtime, 
1014 int snd_pcm_hw_constraint_ratdens(struct snd_pcm_runtime *runtime, 
1018 int snd_pcm_hw_constraint_msbits(struct snd_pcm_runtime *runtime, 
1022 int snd_pcm_hw_constraint_step(struct snd_pcm_runtime *runtime,
1026 int snd_pcm_hw_constraint_pow2(struct snd_pcm_runtime *runtime,
1029 int snd_pcm_hw_rule_noresample(struct snd_pcm_runtime *runtime,
1031 int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime,
1039  * @runtime: PCM runtime instance
1047 	struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,  in snd_pcm_hw_constraint_single()  argument
1050 	return snd_pcm_hw_constraint_minmax(runtime, var, val, val);  in snd_pcm_hw_constraint_single()
1145 int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime);
1154  * snd_pcm_set_runtime_buffer - Set the PCM runtime buffer
1158  * Copy the buffer information to runtime->dma_buffer when @bufp is non-NULL.
1164 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_set_runtime_buffer()  local
1166 		runtime->dma_buffer_p = bufp;  in snd_pcm_set_runtime_buffer()
1167 		runtime->dma_area = bufp->area;  in snd_pcm_set_runtime_buffer()
1168 		runtime->dma_addr = bufp->addr;  in snd_pcm_set_runtime_buffer()
1169 		runtime->dma_bytes = bufp->bytes;  in snd_pcm_set_runtime_buffer()
1171 		runtime->dma_buffer_p = NULL;  in snd_pcm_set_runtime_buffer()
1172 		runtime->dma_area = NULL;  in snd_pcm_set_runtime_buffer()
1173 		runtime->dma_addr = 0;  in snd_pcm_set_runtime_buffer()
1174 		runtime->dma_bytes = 0;  in snd_pcm_set_runtime_buffer()
1180  * @runtime: PCM runtime instance
1183 static inline void snd_pcm_gettime(struct snd_pcm_runtime *runtime,  in snd_pcm_gettime()  argument
1186 	switch (runtime->tstamp_type) {  in snd_pcm_gettime()
1256 #define snd_pcm_get_dma_buf(substream) ((substream)->runtime->dma_buffer_p)
1364 #define PCM_RUNTIME_CHECK(sub) snd_BUG_ON(!(sub) || !(sub)->runtime)