112 #define get_dummy_ops(substream) \  argument
113 	(*(const struct dummy_timer_ops **)(substream)->runtime->private_data)
247 	struct snd_pcm_substream *substream;  member
275 static int dummy_systimer_start(struct snd_pcm_substream *substream)  in dummy_systimer_start()  argument
277 	struct dummy_systimer_pcm *dpcm = substream->runtime->private_data;  in dummy_systimer_start()
285 static int dummy_systimer_stop(struct snd_pcm_substream *substream)  in dummy_systimer_stop()  argument
287 	struct dummy_systimer_pcm *dpcm = substream->runtime->private_data;  in dummy_systimer_stop()
294 static int dummy_systimer_prepare(struct snd_pcm_substream *substream)  in dummy_systimer_prepare()  argument
296 	struct snd_pcm_runtime *runtime = substream->runtime;  in dummy_systimer_prepare()
322 		snd_pcm_period_elapsed(dpcm->substream);  in dummy_systimer_callback()
326 dummy_systimer_pointer(struct snd_pcm_substream *substream)  in dummy_systimer_pointer()  argument
328 	struct dummy_systimer_pcm *dpcm = substream->runtime->private_data;  in dummy_systimer_pointer()
338 static int dummy_systimer_create(struct snd_pcm_substream *substream)  in dummy_systimer_create()  argument
345 	substream->runtime->private_data = dpcm;  in dummy_systimer_create()
349 	dpcm->substream = substream;  in dummy_systimer_create()
353 static void dummy_systimer_free(struct snd_pcm_substream *substream)  in dummy_systimer_free()  argument
355 	kfree(substream->runtime->private_data);  in dummy_systimer_free()
380 	struct snd_pcm_substream *substream;  member
387 		snd_pcm_period_elapsed(dpcm->substream);  in dummy_hrtimer_pcm_elapsed()
402 static int dummy_hrtimer_start(struct snd_pcm_substream *substream)  in dummy_hrtimer_start()  argument
404 	struct dummy_hrtimer_pcm *dpcm = substream->runtime->private_data;  in dummy_hrtimer_start()
412 static int dummy_hrtimer_stop(struct snd_pcm_substream *substream)  in dummy_hrtimer_stop()  argument
414 	struct dummy_hrtimer_pcm *dpcm = substream->runtime->private_data;  in dummy_hrtimer_stop()
427 dummy_hrtimer_pointer(struct snd_pcm_substream *substream)  in dummy_hrtimer_pointer()  argument
429 	struct snd_pcm_runtime *runtime = substream->runtime;  in dummy_hrtimer_pointer()
441 static int dummy_hrtimer_prepare(struct snd_pcm_substream *substream)  in dummy_hrtimer_prepare()  argument
443 	struct snd_pcm_runtime *runtime = substream->runtime;  in dummy_hrtimer_prepare()
460 static int dummy_hrtimer_create(struct snd_pcm_substream *substream)  in dummy_hrtimer_create()  argument
467 	substream->runtime->private_data = dpcm;  in dummy_hrtimer_create()
470 	dpcm->substream = substream;  in dummy_hrtimer_create()
477 static void dummy_hrtimer_free(struct snd_pcm_substream *substream)  in dummy_hrtimer_free()  argument
479 	struct dummy_hrtimer_pcm *dpcm = substream->runtime->private_data;  in dummy_hrtimer_free()
499 static int dummy_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in dummy_pcm_trigger()  argument
504 		return get_dummy_ops(substream)->start(substream);  in dummy_pcm_trigger()
507 		return get_dummy_ops(substream)->stop(substream);  in dummy_pcm_trigger()
512 static int dummy_pcm_prepare(struct snd_pcm_substream *substream)  in dummy_pcm_prepare()  argument
514 	return get_dummy_ops(substream)->prepare(substream);  in dummy_pcm_prepare()
517 static snd_pcm_uframes_t dummy_pcm_pointer(struct snd_pcm_substream *substream)  in dummy_pcm_pointer()  argument
519 	return get_dummy_ops(substream)->pointer(substream);  in dummy_pcm_pointer()
541 static int dummy_pcm_hw_params(struct snd_pcm_substream *substream,  in dummy_pcm_hw_params()  argument
546 		substream->runtime->dma_bytes = params_buffer_bytes(hw_params);  in dummy_pcm_hw_params()
549 	return snd_pcm_lib_malloc_pages(substream,  in dummy_pcm_hw_params()
553 static int dummy_pcm_hw_free(struct snd_pcm_substream *substream)  in dummy_pcm_hw_free()  argument
557 	return snd_pcm_lib_free_pages(substream);  in dummy_pcm_hw_free()
560 static int dummy_pcm_open(struct snd_pcm_substream *substream)  in dummy_pcm_open()  argument
562 	struct snd_dummy *dummy = snd_pcm_substream_chip(substream);  in dummy_pcm_open()
564 	struct snd_pcm_runtime *runtime = substream->runtime;  in dummy_pcm_open()
574 	err = ops->create(substream);  in dummy_pcm_open()
577 	get_dummy_ops(substream) = ops;  in dummy_pcm_open()
580 	if (substream->pcm->device & 1) {  in dummy_pcm_open()
584 	if (substream->pcm->device & 2)  in dummy_pcm_open()
591 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in dummy_pcm_open()
593 			err = model->playback_constraints(substream->runtime);  in dummy_pcm_open()
596 			err = model->capture_constraints(substream->runtime);  in dummy_pcm_open()
599 		get_dummy_ops(substream)->free(substream);  in dummy_pcm_open()
605 static int dummy_pcm_close(struct snd_pcm_substream *substream)  in dummy_pcm_close()  argument
607 	get_dummy_ops(substream)->free(substream);  in dummy_pcm_close()
645 static int dummy_pcm_copy(struct snd_pcm_substream *substream,  in dummy_pcm_copy()  argument
652 static int dummy_pcm_silence(struct snd_pcm_substream *substream,  in dummy_pcm_silence()  argument
659 static struct page *dummy_pcm_page(struct snd_pcm_substream *substream,  in dummy_pcm_page()  argument
662 	return virt_to_page(dummy_page[substream->stream]); /* the same page */  in dummy_pcm_page()