426 	void (*private_free)(struct snd_pcm_runtime *runtime);
477 	/* -- runtime information -- */
478 	struct snd_pcm_runtime *runtime;  member
713 	return (substream->runtime->state == SNDRV_PCM_STATE_RUNNING ||  in snd_pcm_running()
714 		(substream->runtime->state == SNDRV_PCM_STATE_DRAINING &&  in snd_pcm_running()
720  * @runtime: PCM runtime to set
725 static inline void __snd_pcm_set_state(struct snd_pcm_runtime *runtime,  in __snd_pcm_set_state()  argument
728 	runtime->state = state;  in __snd_pcm_set_state()
729 	runtime->status->state = state; /* copy for mmap */  in __snd_pcm_set_state()
734  * @runtime: PCM runtime instance
739 static inline ssize_t bytes_to_samples(struct snd_pcm_runtime *runtime, ssize_t size)  in bytes_to_samples()  argument
741 	return size * 8 / runtime->sample_bits;  in bytes_to_samples()
746  * @runtime: PCM runtime instance
751 static inline snd_pcm_sframes_t bytes_to_frames(struct snd_pcm_runtime *runtime, ssize_t size)  in bytes_to_frames()  argument
753 	return size * 8 / runtime->frame_bits;  in bytes_to_frames()
758  * @runtime: PCM runtime instance
763 static inline ssize_t samples_to_bytes(struct snd_pcm_runtime *runtime, ssize_t size)  in samples_to_bytes()  argument
765 	return size * runtime->sample_bits / 8;  in samples_to_bytes()
770  * @runtime: PCM runtime instance
775 static inline ssize_t frames_to_bytes(struct snd_pcm_runtime *runtime, snd_pcm_sframes_t size)  in frames_to_bytes()  argument
777 	return size * runtime->frame_bits / 8;  in frames_to_bytes()
782  * @runtime: PCM runtime instance
787 static inline int frame_aligned(struct snd_pcm_runtime *runtime, ssize_t bytes)  in frame_aligned()  argument
789 	return bytes % runtime->byte_align == 0;  in frame_aligned()
800 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_lib_buffer_bytes()  local
801 	return frames_to_bytes(runtime, runtime->buffer_size);  in snd_pcm_lib_buffer_bytes()
812 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_lib_period_bytes()  local
813 	return frames_to_bytes(runtime, runtime->period_size);  in snd_pcm_lib_period_bytes()
818  * @runtime: PCM runtime instance
824 static inline snd_pcm_uframes_t snd_pcm_playback_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_playback_avail()  argument
826 …snd_pcm_sframes_t avail = runtime->status->hw_ptr + runtime->buffer_size - runtime->control->appl_…  in snd_pcm_playback_avail()
828 		avail += runtime->boundary;  in snd_pcm_playback_avail()
829 	else if ((snd_pcm_uframes_t) avail >= runtime->boundary)  in snd_pcm_playback_avail()
830 		avail -= runtime->boundary;  in snd_pcm_playback_avail()
836  * @runtime: PCM runtime instance
842 static inline snd_pcm_uframes_t snd_pcm_capture_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_capture_avail()  argument
844 	snd_pcm_sframes_t avail = runtime->status->hw_ptr - runtime->control->appl_ptr;  in snd_pcm_capture_avail()
846 		avail += runtime->boundary;  in snd_pcm_capture_avail()
852  * @runtime: PCM runtime instance
856 static inline snd_pcm_sframes_t snd_pcm_playback_hw_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_playback_hw_avail()  argument
858 	return runtime->buffer_size - snd_pcm_playback_avail(runtime);  in snd_pcm_playback_hw_avail()
863  * @runtime: PCM runtime instance
867 static inline snd_pcm_sframes_t snd_pcm_capture_hw_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_capture_hw_avail()  argument
869 	return runtime->buffer_size - snd_pcm_capture_avail(runtime);  in snd_pcm_capture_hw_avail()
882 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_ready()  local
883 	return snd_pcm_playback_avail(runtime) >= runtime->control->avail_min;  in snd_pcm_playback_ready()
896 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_capture_ready()  local
897 	return snd_pcm_capture_avail(runtime) >= runtime->control->avail_min;  in snd_pcm_capture_ready()
911 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_data()  local
913 	if (runtime->stop_threshold >= runtime->boundary)  in snd_pcm_playback_data()
915 	return snd_pcm_playback_avail(runtime) < runtime->buffer_size;  in snd_pcm_playback_data()
928 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_empty()  local
929 	return snd_pcm_playback_avail(runtime) >= runtime->buffer_size;  in snd_pcm_playback_empty()
942 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_capture_empty()  local
943 	return snd_pcm_capture_avail(runtime) == 0;  in snd_pcm_capture_empty()
963 	substream->runtime->trigger_master = master;  in snd_pcm_trigger_done()
1082 int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
1084 int snd_pcm_hw_constraint_minmax(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
1086 int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var);
1087 int snd_pcm_hw_constraint_list(struct snd_pcm_runtime *runtime, 
1091 int snd_pcm_hw_constraint_ranges(struct snd_pcm_runtime *runtime,
1095 int snd_pcm_hw_constraint_ratnums(struct snd_pcm_runtime *runtime, 
1099 int snd_pcm_hw_constraint_ratdens(struct snd_pcm_runtime *runtime, 
1103 int snd_pcm_hw_constraint_msbits(struct snd_pcm_runtime *runtime, 
1107 int snd_pcm_hw_constraint_step(struct snd_pcm_runtime *runtime,
1111 int snd_pcm_hw_constraint_pow2(struct snd_pcm_runtime *runtime,
1114 int snd_pcm_hw_rule_noresample(struct snd_pcm_runtime *runtime,
1116 int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime,
1124  * @runtime: PCM runtime instance
1132 	struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,  in snd_pcm_hw_constraint_single()  argument
1135 	return snd_pcm_hw_constraint_minmax(runtime, var, val, val);  in snd_pcm_hw_constraint_single()
1176 	substream->runtime->std_sync_id = true;  in snd_pcm_set_sync()
1245 snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime)  in snd_pcm_limit_hw_rates()  argument
1247 	return snd_pcm_hw_limit_rates(&runtime->hw);  in snd_pcm_limit_hw_rates()
1258  * snd_pcm_set_runtime_buffer - Set the PCM runtime buffer
1262  * Copy the buffer information to runtime->dma_buffer when @bufp is non-NULL.
1268 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_set_runtime_buffer()  local
1270 		runtime->dma_buffer_p = bufp;  in snd_pcm_set_runtime_buffer()
1271 		runtime->dma_area = bufp->area;  in snd_pcm_set_runtime_buffer()
1272 		runtime->dma_addr = bufp->addr;  in snd_pcm_set_runtime_buffer()
1273 		runtime->dma_bytes = bufp->bytes;  in snd_pcm_set_runtime_buffer()
1275 		runtime->dma_buffer_p = NULL;  in snd_pcm_set_runtime_buffer()
1276 		runtime->dma_area = NULL;  in snd_pcm_set_runtime_buffer()
1277 		runtime->dma_addr = 0;  in snd_pcm_set_runtime_buffer()
1278 		runtime->dma_bytes = 0;  in snd_pcm_set_runtime_buffer()
1284  * @runtime: PCM runtime instance
1287 static inline void snd_pcm_gettime(struct snd_pcm_runtime *runtime,  in snd_pcm_gettime()  argument
1290 	switch (runtime->tstamp_type) {  in snd_pcm_gettime()
1365 #define snd_pcm_get_dma_buf(substream) ((substream)->runtime->dma_buffer_p)