416 	void (*private_free)(struct snd_pcm_runtime *runtime);
467 	/* -- runtime information -- */
468 	struct snd_pcm_runtime *runtime;  member
688 	return (substream->runtime->state == SNDRV_PCM_STATE_RUNNING ||  in snd_pcm_running()
689 		(substream->runtime->state == SNDRV_PCM_STATE_DRAINING &&  in snd_pcm_running()
695  * @runtime: PCM runtime to set
700 static inline void __snd_pcm_set_state(struct snd_pcm_runtime *runtime,  in __snd_pcm_set_state()  argument
703 	runtime->state = state;  in __snd_pcm_set_state()
704 	runtime->status->state = state; /* copy for mmap */  in __snd_pcm_set_state()
709  * @runtime: PCM runtime instance
714 static inline ssize_t bytes_to_samples(struct snd_pcm_runtime *runtime, ssize_t size)  in bytes_to_samples()  argument
716 	return size * 8 / runtime->sample_bits;  in bytes_to_samples()
721  * @runtime: PCM runtime instance
726 static inline snd_pcm_sframes_t bytes_to_frames(struct snd_pcm_runtime *runtime, ssize_t size)  in bytes_to_frames()  argument
728 	return size * 8 / runtime->frame_bits;  in bytes_to_frames()
733  * @runtime: PCM runtime instance
738 static inline ssize_t samples_to_bytes(struct snd_pcm_runtime *runtime, ssize_t size)  in samples_to_bytes()  argument
740 	return size * runtime->sample_bits / 8;  in samples_to_bytes()
745  * @runtime: PCM runtime instance
750 static inline ssize_t frames_to_bytes(struct snd_pcm_runtime *runtime, snd_pcm_sframes_t size)  in frames_to_bytes()  argument
752 	return size * runtime->frame_bits / 8;  in frames_to_bytes()
757  * @runtime: PCM runtime instance
762 static inline int frame_aligned(struct snd_pcm_runtime *runtime, ssize_t bytes)  in frame_aligned()  argument
764 	return bytes % runtime->byte_align == 0;  in frame_aligned()
775 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_lib_buffer_bytes()  local
776 	return frames_to_bytes(runtime, runtime->buffer_size);  in snd_pcm_lib_buffer_bytes()
787 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_lib_period_bytes()  local
788 	return frames_to_bytes(runtime, runtime->period_size);  in snd_pcm_lib_period_bytes()
793  * @runtime: PCM runtime instance
799 static inline snd_pcm_uframes_t snd_pcm_playback_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_playback_avail()  argument
801 …snd_pcm_sframes_t avail = runtime->status->hw_ptr + runtime->buffer_size - runtime->control->appl_…  in snd_pcm_playback_avail()
803 		avail += runtime->boundary;  in snd_pcm_playback_avail()
804 	else if ((snd_pcm_uframes_t) avail >= runtime->boundary)  in snd_pcm_playback_avail()
805 		avail -= runtime->boundary;  in snd_pcm_playback_avail()
811  * @runtime: PCM runtime instance
817 static inline snd_pcm_uframes_t snd_pcm_capture_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_capture_avail()  argument
819 	snd_pcm_sframes_t avail = runtime->status->hw_ptr - runtime->control->appl_ptr;  in snd_pcm_capture_avail()
821 		avail += runtime->boundary;  in snd_pcm_capture_avail()
827  * @runtime: PCM runtime instance
831 static inline snd_pcm_sframes_t snd_pcm_playback_hw_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_playback_hw_avail()  argument
833 	return runtime->buffer_size - snd_pcm_playback_avail(runtime);  in snd_pcm_playback_hw_avail()
838  * @runtime: PCM runtime instance
842 static inline snd_pcm_sframes_t snd_pcm_capture_hw_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_capture_hw_avail()  argument
844 	return runtime->buffer_size - snd_pcm_capture_avail(runtime);  in snd_pcm_capture_hw_avail()
857 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_ready()  local
858 	return snd_pcm_playback_avail(runtime) >= runtime->control->avail_min;  in snd_pcm_playback_ready()
871 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_capture_ready()  local
872 	return snd_pcm_capture_avail(runtime) >= runtime->control->avail_min;  in snd_pcm_capture_ready()
886 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_data()  local
888 	if (runtime->stop_threshold >= runtime->boundary)  in snd_pcm_playback_data()
890 	return snd_pcm_playback_avail(runtime) < runtime->buffer_size;  in snd_pcm_playback_data()
903 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_empty()  local
904 	return snd_pcm_playback_avail(runtime) >= runtime->buffer_size;  in snd_pcm_playback_empty()
917 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_capture_empty()  local
918 	return snd_pcm_capture_avail(runtime) == 0;  in snd_pcm_capture_empty()
938 	substream->runtime->trigger_master = master;  in snd_pcm_trigger_done()
1057 int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
1059 int snd_pcm_hw_constraint_minmax(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
1061 int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var);
1062 int snd_pcm_hw_constraint_list(struct snd_pcm_runtime *runtime, 
1066 int snd_pcm_hw_constraint_ranges(struct snd_pcm_runtime *runtime,
1070 int snd_pcm_hw_constraint_ratnums(struct snd_pcm_runtime *runtime, 
1074 int snd_pcm_hw_constraint_ratdens(struct snd_pcm_runtime *runtime, 
1078 int snd_pcm_hw_constraint_msbits(struct snd_pcm_runtime *runtime, 
1082 int snd_pcm_hw_constraint_step(struct snd_pcm_runtime *runtime,
1086 int snd_pcm_hw_constraint_pow2(struct snd_pcm_runtime *runtime,
1089 int snd_pcm_hw_rule_noresample(struct snd_pcm_runtime *runtime,
1091 int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime,
1099  * @runtime: PCM runtime instance
1107 	struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,  in snd_pcm_hw_constraint_single()  argument
1110 	return snd_pcm_hw_constraint_minmax(runtime, var, val, val);  in snd_pcm_hw_constraint_single()
1209 snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime)  in snd_pcm_limit_hw_rates()  argument
1211 	return snd_pcm_hw_limit_rates(&runtime->hw);  in snd_pcm_limit_hw_rates()
1222  * snd_pcm_set_runtime_buffer - Set the PCM runtime buffer
1226  * Copy the buffer information to runtime->dma_buffer when @bufp is non-NULL.
1232 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_set_runtime_buffer()  local
1234 		runtime->dma_buffer_p = bufp;  in snd_pcm_set_runtime_buffer()
1235 		runtime->dma_area = bufp->area;  in snd_pcm_set_runtime_buffer()
1236 		runtime->dma_addr = bufp->addr;  in snd_pcm_set_runtime_buffer()
1237 		runtime->dma_bytes = bufp->bytes;  in snd_pcm_set_runtime_buffer()
1239 		runtime->dma_buffer_p = NULL;  in snd_pcm_set_runtime_buffer()
1240 		runtime->dma_area = NULL;  in snd_pcm_set_runtime_buffer()
1241 		runtime->dma_addr = 0;  in snd_pcm_set_runtime_buffer()
1242 		runtime->dma_bytes = 0;  in snd_pcm_set_runtime_buffer()
1248  * @runtime: PCM runtime instance
1251 static inline void snd_pcm_gettime(struct snd_pcm_runtime *runtime,  in snd_pcm_gettime()  argument
1254 	switch (runtime->tstamp_type) {  in snd_pcm_gettime()
1371 #define snd_pcm_get_dma_buf(substream) ((substream)->runtime->dma_buffer_p)