include/sound/pcm.h

65 	snd_pcm_uframes_t (*pointer)(struct snd_pcm_substream *substream);
104 #define SNDRV_PCM_POS_XRUN		((snd_pcm_uframes_t)-1)
353 	snd_pcm_uframes_t avail_max;
354 	snd_pcm_uframes_t hw_ptr_base;	/* Position at buffer restart */
355 	snd_pcm_uframes_t hw_ptr_interrupt; /* Position at interrupt time */
367 	snd_pcm_uframes_t period_size;	/* period size */
369 	snd_pcm_uframes_t buffer_size;	/* buffer size */
370 	snd_pcm_uframes_t min_align;	/* Min alignment for the format */
382 	snd_pcm_uframes_t start_threshold;
383 	snd_pcm_uframes_t stop_threshold;
384 	snd_pcm_uframes_t silence_threshold;
385 	snd_pcm_uframes_t silence_size;
386 	snd_pcm_uframes_t boundary;
389 	snd_pcm_uframes_t silence_start; /* starting pointer to silence area */
390 	snd_pcm_uframes_t silence_filled; /* already filled part of silence area */
399 	snd_pcm_uframes_t twake; 	/* do transfer (!poll) wakeup if non-zero */
792 static inline snd_pcm_uframes_t snd_pcm_playback_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_playback_avail()
797 	else if ((snd_pcm_uframes_t) avail >= runtime->boundary)  in snd_pcm_playback_avail()
810 static inline snd_pcm_uframes_t snd_pcm_capture_avail(struct snd_pcm_runtime *runtime)  in snd_pcm_capture_avail()
1141 				     snd_pcm_uframes_t frames, bool in_kernel);
1145 		  const void __user *buf, snd_pcm_uframes_t frames)  in snd_pcm_lib_write()
1152 		 void __user *buf, snd_pcm_uframes_t frames)  in snd_pcm_lib_read()
1159 		   void __user **bufs, snd_pcm_uframes_t frames)  in snd_pcm_lib_writev()
1166 		  void __user **bufs, snd_pcm_uframes_t frames)  in snd_pcm_lib_readv()
1173 		     const void *buf, snd_pcm_uframes_t frames)  in snd_pcm_kernel_write()
1180 		    void *buf, snd_pcm_uframes_t frames)  in snd_pcm_kernel_read()
1187 		      void **bufs, snd_pcm_uframes_t frames)  in snd_pcm_kernel_writev()
1194 		     void **bufs, snd_pcm_uframes_t frames)  in snd_pcm_kernel_readv()
1569 	snd_pcm_uframes_t appl_ptr;	/* appl ptr */
1570 	snd_pcm_uframes_t hw_ptr;	/* hw ptr */
1572 	snd_pcm_uframes_t avail;	/* number of frames available */
1573 	snd_pcm_uframes_t avail_max;	/* max frames available on hw since last status */
1574 	snd_pcm_uframes_t overrange;	/* count of ADC (capture) overrange detections from last status */