358 static void snd_emu10k1x_pcm_free_substream(struct snd_pcm_runtime *runtime)  in snd_emu10k1x_pcm_free_substream()  argument
360 	kfree(runtime->private_data);  in snd_emu10k1x_pcm_free_substream()
386 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_playback_open()  local
389 	if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {  in snd_emu10k1x_playback_open()
392 	if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)  in snd_emu10k1x_playback_open()
401 	runtime->private_data = epcm;  in snd_emu10k1x_playback_open()
402 	runtime->private_free = snd_emu10k1x_pcm_free_substream;  in snd_emu10k1x_playback_open()
404 	runtime->hw = snd_emu10k1x_playback_hw;  in snd_emu10k1x_playback_open()
419 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_hw_params()  local
420 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_hw_params()
435 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_hw_free()  local
438 	if (runtime->private_data == NULL)  in snd_emu10k1x_pcm_hw_free()
441 	epcm = runtime->private_data;  in snd_emu10k1x_pcm_hw_free()
456 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_prepare()  local
457 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_prepare()
460 	u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);  in snd_emu10k1x_pcm_prepare()
463 	for(i = 0; i < runtime->periods; i++) {  in snd_emu10k1x_pcm_prepare()
464 		*table_base++=runtime->dma_addr+(i*period_size_bytes);  in snd_emu10k1x_pcm_prepare()
469 	snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19);  in snd_emu10k1x_pcm_prepare()
474 	snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr);  in snd_emu10k1x_pcm_prepare()
476 …snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_…  in snd_emu10k1x_pcm_prepare()
486 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_trigger()  local
487 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_trigger()
499 		if(runtime->periods == 2)  in snd_emu10k1x_pcm_trigger()
523 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_pointer()  local
524 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_pointer()
535 	if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size))  in snd_emu10k1x_pcm_pointer()
540 	ptr2 = bytes_to_frames(runtime, ptr1);  in snd_emu10k1x_pcm_pointer()
541 	ptr2 += (ptr4 >> 3) * runtime->period_size;  in snd_emu10k1x_pcm_pointer()
544 	if (ptr >= runtime->buffer_size)  in snd_emu10k1x_pcm_pointer()
545 		ptr -= runtime->buffer_size;  in snd_emu10k1x_pcm_pointer()
567 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_open_capture()  local
570 	if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)  in snd_emu10k1x_pcm_open_capture()
572 	if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)  in snd_emu10k1x_pcm_open_capture()
582 	runtime->private_data = epcm;  in snd_emu10k1x_pcm_open_capture()
583 	runtime->private_free = snd_emu10k1x_pcm_free_substream;  in snd_emu10k1x_pcm_open_capture()
585 	runtime->hw = snd_emu10k1x_capture_hw;  in snd_emu10k1x_pcm_open_capture()
600 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_hw_params_capture()  local
601 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_hw_params_capture()
618 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_hw_free_capture()  local
622 	if (runtime->private_data == NULL)  in snd_emu10k1x_pcm_hw_free_capture()
624 	epcm = runtime->private_data;  in snd_emu10k1x_pcm_hw_free_capture()
639 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_prepare_capture()  local
641 	snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr);  in snd_emu10k1x_pcm_prepare_capture()
642 …snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)…  in snd_emu10k1x_pcm_prepare_capture()
654 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_trigger_capture()  local
655 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_trigger_capture()
683 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_pointer_capture()  local
684 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_pointer_capture()
690 	ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0));  in snd_emu10k1x_pcm_pointer_capture()
691 	if (ptr >= runtime->buffer_size)  in snd_emu10k1x_pcm_pointer_capture()
692 		ptr -= runtime->buffer_size;  in snd_emu10k1x_pcm_pointer_capture()