401 	void (*private_free)(struct snd_pcm_runtime *runtime);
451 	/* -- runtime information -- */
452 	struct snd_pcm_runtime *runtime;  member
651 	return (substream->runtime->status->state == SNDRV_PCM_STATE_RUNNING ||  in snd_pcm_running()
652 		(substream->runtime->status->state == SNDRV_PCM_STATE_DRAINING &&  in snd_pcm_running()
658  * @runtime: PCM runtime instance
661 static inline ssize_t bytes_to_samples(struct snd_pcm_runtime *runtime, ssize_t size)  in bytes_to_samples()  argument
663 	return size * 8 / runtime->sample_bits;  in bytes_to_samples()
668  * @runtime: PCM runtime instance
671 static inline snd_pcm_sframes_t bytes_to_frames(struct snd_pcm_runtime *runtime, ssize_t size)  in bytes_to_frames()  argument
673 	return size * 8 / runtime->frame_bits;  in bytes_to_frames()
678  * @runtime: PCM runtime instance
681 static inline ssize_t samples_to_bytes(struct snd_pcm_runtime *runtime, ssize_t size)  in samples_to_bytes()  argument
683 	return size * runtime->sample_bits / 8;  in samples_to_bytes()
688  * @runtime: PCM runtime instance
691 static inline ssize_t frames_to_bytes(struct snd_pcm_runtime *runtime, snd_pcm_sframes_t size)  in frames_to_bytes()  argument
693 	return size * runtime->frame_bits / 8;  in frames_to_bytes()
698  * @runtime: PCM runtime instance
701 static inline int frame_aligned(struct snd_pcm_runtime *runtime, ssize_t bytes)  in frame_aligned()  argument
703 	return bytes % runtime->byte_align == 0;  in frame_aligned()
712 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_lib_buffer_bytes()  local
713 	return frames_to_bytes(runtime, runtime->buffer_size);  in snd_pcm_lib_buffer_bytes()
722 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_lib_period_bytes()  local
723 	return frames_to_bytes(runtime, runtime->period_size);  in snd_pcm_lib_period_bytes()
728  * @runtime: PCM runtime instance
732 static inline snd_pcm_uframes_t snd_pcm_playback_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_playback_avail()  argument
734 …snd_pcm_sframes_t avail = runtime->status->hw_ptr + runtime->buffer_size - runtime->control->appl_…  in snd_pcm_playback_avail()
736 		avail += runtime->boundary;  in snd_pcm_playback_avail()
737 	else if ((snd_pcm_uframes_t) avail >= runtime->boundary)  in snd_pcm_playback_avail()
738 		avail -= runtime->boundary;  in snd_pcm_playback_avail()
744  * @runtime: PCM runtime instance
748 static inline snd_pcm_uframes_t snd_pcm_capture_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_capture_avail()  argument
750 	snd_pcm_sframes_t avail = runtime->status->hw_ptr - runtime->control->appl_ptr;  in snd_pcm_capture_avail()
752 		avail += runtime->boundary;  in snd_pcm_capture_avail()
758  * @runtime: PCM runtime instance
760 static inline snd_pcm_sframes_t snd_pcm_playback_hw_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_playback_hw_avail()  argument
762 	return runtime->buffer_size - snd_pcm_playback_avail(runtime);  in snd_pcm_playback_hw_avail()
767  * @runtime: PCM runtime instance
769 static inline snd_pcm_sframes_t snd_pcm_capture_hw_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_capture_hw_avail()  argument
771 	return runtime->buffer_size - snd_pcm_capture_avail(runtime);  in snd_pcm_capture_hw_avail()
784 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_ready()  local
785 	return snd_pcm_playback_avail(runtime) >= runtime->control->avail_min;  in snd_pcm_playback_ready()
798 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_capture_ready()  local
799 	return snd_pcm_capture_avail(runtime) >= runtime->control->avail_min;  in snd_pcm_capture_ready()
813 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_data()  local
815 	if (runtime->stop_threshold >= runtime->boundary)  in snd_pcm_playback_data()
817 	return snd_pcm_playback_avail(runtime) < runtime->buffer_size;  in snd_pcm_playback_data()
830 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_empty()  local
831 	return snd_pcm_playback_avail(runtime) >= runtime->buffer_size;  in snd_pcm_playback_empty()
844 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_capture_empty()  local
845 	return snd_pcm_capture_avail(runtime) == 0;  in snd_pcm_capture_empty()
865 	substream->runtime->trigger_master = master;  in snd_pcm_trigger_done()
972 int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
974 int snd_pcm_hw_constraint_minmax(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
976 int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var);
977 int snd_pcm_hw_constraint_list(struct snd_pcm_runtime *runtime, 
981 int snd_pcm_hw_constraint_ranges(struct snd_pcm_runtime *runtime,
985 int snd_pcm_hw_constraint_ratnums(struct snd_pcm_runtime *runtime, 
989 int snd_pcm_hw_constraint_ratdens(struct snd_pcm_runtime *runtime, 
993 int snd_pcm_hw_constraint_msbits(struct snd_pcm_runtime *runtime, 
997 int snd_pcm_hw_constraint_step(struct snd_pcm_runtime *runtime,
1001 int snd_pcm_hw_constraint_pow2(struct snd_pcm_runtime *runtime,
1004 int snd_pcm_hw_rule_noresample(struct snd_pcm_runtime *runtime,
1006 int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime,
1014  * @runtime: PCM runtime instance
1022 	struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,  in snd_pcm_hw_constraint_single()  argument
1025 	return snd_pcm_hw_constraint_minmax(runtime, var, val, val);  in snd_pcm_hw_constraint_single()
1120 int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime);
1129  * snd_pcm_set_runtime_buffer - Set the PCM runtime buffer
1133  * Copy the buffer information to runtime->dma_buffer when @bufp is non-NULL.
1139 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_set_runtime_buffer()  local
1141 		runtime->dma_buffer_p = bufp;  in snd_pcm_set_runtime_buffer()
1142 		runtime->dma_area = bufp->area;  in snd_pcm_set_runtime_buffer()
1143 		runtime->dma_addr = bufp->addr;  in snd_pcm_set_runtime_buffer()
1144 		runtime->dma_bytes = bufp->bytes;  in snd_pcm_set_runtime_buffer()
1146 		runtime->dma_buffer_p = NULL;  in snd_pcm_set_runtime_buffer()
1147 		runtime->dma_area = NULL;  in snd_pcm_set_runtime_buffer()
1148 		runtime->dma_addr = 0;  in snd_pcm_set_runtime_buffer()
1149 		runtime->dma_bytes = 0;  in snd_pcm_set_runtime_buffer()
1155  * @runtime: PCM runtime instance
1158 static inline void snd_pcm_gettime(struct snd_pcm_runtime *runtime,  in snd_pcm_gettime()  argument
1161 	switch (runtime->tstamp_type) {  in snd_pcm_gettime()
1231 #define snd_pcm_get_dma_buf(substream) ((substream)->runtime->dma_buffer_p)
1339 #define PCM_RUNTIME_CHECK(sub) snd_BUG_ON(!(sub) || !(sub)->runtime)