409 	void (*private_free)(struct snd_pcm_runtime *runtime);
460 	/* -- runtime information -- */
461 	struct snd_pcm_runtime *runtime;  member
681 	return (substream->runtime->state == SNDRV_PCM_STATE_RUNNING ||  in snd_pcm_running()
682 		(substream->runtime->state == SNDRV_PCM_STATE_DRAINING &&  in snd_pcm_running()
688  * @runtime: PCM runtime to set
693 static inline void __snd_pcm_set_state(struct snd_pcm_runtime *runtime,  in __snd_pcm_set_state()  argument
696 	runtime->state = state;  in __snd_pcm_set_state()
697 	runtime->status->state = state; /* copy for mmap */  in __snd_pcm_set_state()
702  * @runtime: PCM runtime instance
707 static inline ssize_t bytes_to_samples(struct snd_pcm_runtime *runtime, ssize_t size)  in bytes_to_samples()  argument
709 	return size * 8 / runtime->sample_bits;  in bytes_to_samples()
714  * @runtime: PCM runtime instance
719 static inline snd_pcm_sframes_t bytes_to_frames(struct snd_pcm_runtime *runtime, ssize_t size)  in bytes_to_frames()  argument
721 	return size * 8 / runtime->frame_bits;  in bytes_to_frames()
726  * @runtime: PCM runtime instance
731 static inline ssize_t samples_to_bytes(struct snd_pcm_runtime *runtime, ssize_t size)  in samples_to_bytes()  argument
733 	return size * runtime->sample_bits / 8;  in samples_to_bytes()
738  * @runtime: PCM runtime instance
743 static inline ssize_t frames_to_bytes(struct snd_pcm_runtime *runtime, snd_pcm_sframes_t size)  in frames_to_bytes()  argument
745 	return size * runtime->frame_bits / 8;  in frames_to_bytes()
750  * @runtime: PCM runtime instance
755 static inline int frame_aligned(struct snd_pcm_runtime *runtime, ssize_t bytes)  in frame_aligned()  argument
757 	return bytes % runtime->byte_align == 0;  in frame_aligned()
768 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_lib_buffer_bytes()  local
769 	return frames_to_bytes(runtime, runtime->buffer_size);  in snd_pcm_lib_buffer_bytes()
780 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_lib_period_bytes()  local
781 	return frames_to_bytes(runtime, runtime->period_size);  in snd_pcm_lib_period_bytes()
786  * @runtime: PCM runtime instance
792 static inline snd_pcm_uframes_t snd_pcm_playback_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_playback_avail()  argument
794 …snd_pcm_sframes_t avail = runtime->status->hw_ptr + runtime->buffer_size - runtime->control->appl_…  in snd_pcm_playback_avail()
796 		avail += runtime->boundary;  in snd_pcm_playback_avail()
797 	else if ((snd_pcm_uframes_t) avail >= runtime->boundary)  in snd_pcm_playback_avail()
798 		avail -= runtime->boundary;  in snd_pcm_playback_avail()
804  * @runtime: PCM runtime instance
810 static inline snd_pcm_uframes_t snd_pcm_capture_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_capture_avail()  argument
812 	snd_pcm_sframes_t avail = runtime->status->hw_ptr - runtime->control->appl_ptr;  in snd_pcm_capture_avail()
814 		avail += runtime->boundary;  in snd_pcm_capture_avail()
820  * @runtime: PCM runtime instance
824 static inline snd_pcm_sframes_t snd_pcm_playback_hw_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_playback_hw_avail()  argument
826 	return runtime->buffer_size - snd_pcm_playback_avail(runtime);  in snd_pcm_playback_hw_avail()
831  * @runtime: PCM runtime instance
835 static inline snd_pcm_sframes_t snd_pcm_capture_hw_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_capture_hw_avail()  argument
837 	return runtime->buffer_size - snd_pcm_capture_avail(runtime);  in snd_pcm_capture_hw_avail()
850 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_ready()  local
851 	return snd_pcm_playback_avail(runtime) >= runtime->control->avail_min;  in snd_pcm_playback_ready()
864 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_capture_ready()  local
865 	return snd_pcm_capture_avail(runtime) >= runtime->control->avail_min;  in snd_pcm_capture_ready()
879 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_data()  local
881 	if (runtime->stop_threshold >= runtime->boundary)  in snd_pcm_playback_data()
883 	return snd_pcm_playback_avail(runtime) < runtime->buffer_size;  in snd_pcm_playback_data()
896 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_playback_empty()  local
897 	return snd_pcm_playback_avail(runtime) >= runtime->buffer_size;  in snd_pcm_playback_empty()
910 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_capture_empty()  local
911 	return snd_pcm_capture_avail(runtime) == 0;  in snd_pcm_capture_empty()
931 	substream->runtime->trigger_master = master;  in snd_pcm_trigger_done()
1050 int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
1052 int snd_pcm_hw_constraint_minmax(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
1054 int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var);
1055 int snd_pcm_hw_constraint_list(struct snd_pcm_runtime *runtime, 
1059 int snd_pcm_hw_constraint_ranges(struct snd_pcm_runtime *runtime,
1063 int snd_pcm_hw_constraint_ratnums(struct snd_pcm_runtime *runtime, 
1067 int snd_pcm_hw_constraint_ratdens(struct snd_pcm_runtime *runtime, 
1071 int snd_pcm_hw_constraint_msbits(struct snd_pcm_runtime *runtime, 
1075 int snd_pcm_hw_constraint_step(struct snd_pcm_runtime *runtime,
1079 int snd_pcm_hw_constraint_pow2(struct snd_pcm_runtime *runtime,
1082 int snd_pcm_hw_rule_noresample(struct snd_pcm_runtime *runtime,
1084 int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime,
1092  * @runtime: PCM runtime instance
1100 	struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,  in snd_pcm_hw_constraint_single()  argument
1103 	return snd_pcm_hw_constraint_minmax(runtime, var, val, val);  in snd_pcm_hw_constraint_single()
1202 snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime)  in snd_pcm_limit_hw_rates()  argument
1204 	return snd_pcm_hw_limit_rates(&runtime->hw);  in snd_pcm_limit_hw_rates()
1215  * snd_pcm_set_runtime_buffer - Set the PCM runtime buffer
1219  * Copy the buffer information to runtime->dma_buffer when @bufp is non-NULL.
1225 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_set_runtime_buffer()  local
1227 		runtime->dma_buffer_p = bufp;  in snd_pcm_set_runtime_buffer()
1228 		runtime->dma_area = bufp->area;  in snd_pcm_set_runtime_buffer()
1229 		runtime->dma_addr = bufp->addr;  in snd_pcm_set_runtime_buffer()
1230 		runtime->dma_bytes = bufp->bytes;  in snd_pcm_set_runtime_buffer()
1232 		runtime->dma_buffer_p = NULL;  in snd_pcm_set_runtime_buffer()
1233 		runtime->dma_area = NULL;  in snd_pcm_set_runtime_buffer()
1234 		runtime->dma_addr = 0;  in snd_pcm_set_runtime_buffer()
1235 		runtime->dma_bytes = 0;  in snd_pcm_set_runtime_buffer()
1241  * @runtime: PCM runtime instance
1244 static inline void snd_pcm_gettime(struct snd_pcm_runtime *runtime,  in snd_pcm_gettime()  argument
1247 	switch (runtime->tstamp_type) {  in snd_pcm_gettime()
1364 #define snd_pcm_get_dma_buf(substream) ((substream)->runtime->dma_buffer_p)