46 	struct snd_pcm_substream *substream;  member
74 static int snd_gf1_pcm_block_change(struct snd_pcm_substream *substream,  in snd_gf1_pcm_block_change()  argument
80 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_gf1_pcm_block_change()
106 static void snd_gf1_pcm_trigger_up(struct snd_pcm_substream *substream)  in snd_gf1_pcm_trigger_up()  argument
108 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_gf1_pcm_trigger_up()
207 	runtime = pcmp->substream->runtime;  in snd_gf1_pcm_interrupt_wave()
256 	snd_pcm_period_elapsed(pcmp->substream);  in snd_gf1_pcm_interrupt_wave()
262 			snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + (end / 2), pcmp->block_size / 2);  in snd_gf1_pcm_interrupt_wave()
263 …snd_gf1_pcm_block_change(pcmp->substream, end + (pcmp->block_size / 2), pcmp->memory + (pcmp->dma_…  in snd_gf1_pcm_interrupt_wave()
265 			snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + end, pcmp->block_size);  in snd_gf1_pcm_interrupt_wave()
290 	if (pcmp->substream == NULL)  in snd_gf1_pcm_interrupt_volume()
356 static int snd_gf1_pcm_playback_copy(struct snd_pcm_substream *substream,  in snd_gf1_pcm_playback_copy()  argument
362 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_gf1_pcm_playback_copy()
375 		return snd_gf1_pcm_block_change(substream, bpos, pcmp->memory + bpos, len);  in snd_gf1_pcm_playback_copy()
388 static int snd_gf1_pcm_playback_silence(struct snd_pcm_substream *substream,  in snd_gf1_pcm_playback_silence()  argument
393 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_gf1_pcm_playback_silence()
405 		return snd_gf1_pcm_block_change(substream, bpos, pcmp->memory + bpos, len);  in snd_gf1_pcm_playback_silence()
418 static int snd_gf1_pcm_playback_hw_params(struct snd_pcm_substream *substream,  in snd_gf1_pcm_playback_hw_params()  argument
421 	struct snd_gus_card *gus = snd_pcm_substream_chip(substream);  in snd_gf1_pcm_playback_hw_params()
422 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_gf1_pcm_playback_hw_params()
426 	if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)  in snd_gf1_pcm_playback_hw_params()
467 static int snd_gf1_pcm_playback_hw_free(struct snd_pcm_substream *substream)  in snd_gf1_pcm_playback_hw_free()  argument
469 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_gf1_pcm_playback_hw_free()
472 	snd_pcm_lib_free_pages(substream);  in snd_gf1_pcm_playback_hw_free()
488 static int snd_gf1_pcm_playback_prepare(struct snd_pcm_substream *substream)  in snd_gf1_pcm_playback_prepare()  argument
490 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_gf1_pcm_playback_prepare()
494 	pcmp->dma_size = snd_pcm_lib_buffer_bytes(substream);  in snd_gf1_pcm_playback_prepare()
495 	pcmp->block_size = snd_pcm_lib_period_bytes(substream);  in snd_gf1_pcm_playback_prepare()
500 static int snd_gf1_pcm_playback_trigger(struct snd_pcm_substream *substream,  in snd_gf1_pcm_playback_trigger()  argument
503 	struct snd_gus_card *gus = snd_pcm_substream_chip(substream);  in snd_gf1_pcm_playback_trigger()
504 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_gf1_pcm_playback_trigger()
509 		snd_gf1_pcm_trigger_up(substream);  in snd_gf1_pcm_playback_trigger()
526 static snd_pcm_uframes_t snd_gf1_pcm_playback_pointer(struct snd_pcm_substream *substream)  in snd_gf1_pcm_playback_pointer()  argument
528 	struct snd_gus_card *gus = snd_pcm_substream_chip(substream);  in snd_gf1_pcm_playback_pointer()
529 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_gf1_pcm_playback_pointer()
540 		if (substream->runtime->channels > 1)  in snd_gf1_pcm_playback_pointer()
560 static int snd_gf1_pcm_capture_hw_params(struct snd_pcm_substream *substream,  in snd_gf1_pcm_capture_hw_params()  argument
563 	struct snd_gus_card *gus = snd_pcm_substream_chip(substream);  in snd_gf1_pcm_capture_hw_params()
575 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));  in snd_gf1_pcm_capture_hw_params()
578 static int snd_gf1_pcm_capture_hw_free(struct snd_pcm_substream *substream)  in snd_gf1_pcm_capture_hw_free()  argument
580 	return snd_pcm_lib_free_pages(substream);  in snd_gf1_pcm_capture_hw_free()
583 static int snd_gf1_pcm_capture_prepare(struct snd_pcm_substream *substream)  in snd_gf1_pcm_capture_prepare()  argument
585 	struct snd_gus_card *gus = snd_pcm_substream_chip(substream);  in snd_gf1_pcm_capture_prepare()
586 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_gf1_pcm_capture_prepare()
595 static int snd_gf1_pcm_capture_trigger(struct snd_pcm_substream *substream,  in snd_gf1_pcm_capture_trigger()  argument
598 	struct snd_gus_card *gus = snd_pcm_substream_chip(substream);  in snd_gf1_pcm_capture_trigger()
616 static snd_pcm_uframes_t snd_gf1_pcm_capture_pointer(struct snd_pcm_substream *substream)  in snd_gf1_pcm_capture_pointer()  argument
618 	struct snd_gus_card *gus = snd_pcm_substream_chip(substream);  in snd_gf1_pcm_capture_pointer()
620 	pos = bytes_to_frames(substream->runtime, (gus->c_pos + pos) % gus->c_dma_size);  in snd_gf1_pcm_capture_pointer()
677 static int snd_gf1_pcm_playback_open(struct snd_pcm_substream *substream)  in snd_gf1_pcm_playback_open()  argument
680 	struct snd_gus_card *gus = snd_pcm_substream_chip(substream);  in snd_gf1_pcm_playback_open()
681 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_gf1_pcm_playback_open()
702 	pcmp->substream = substream;  in snd_gf1_pcm_playback_open()
710 static int snd_gf1_pcm_playback_close(struct snd_pcm_substream *substream)  in snd_gf1_pcm_playback_close()  argument
712 	struct snd_gus_card *gus = snd_pcm_substream_chip(substream);  in snd_gf1_pcm_playback_close()
713 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_gf1_pcm_playback_close()
723 static int snd_gf1_pcm_capture_open(struct snd_pcm_substream *substream)  in snd_gf1_pcm_capture_open()  argument
725 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_gf1_pcm_capture_open()
726 	struct snd_gus_card *gus = snd_pcm_substream_chip(substream);  in snd_gf1_pcm_capture_open()
729 	gus->pcm_cap_substream = substream;  in snd_gf1_pcm_capture_open()
730 	substream->runtime->hw = snd_gf1_pcm_capture;  in snd_gf1_pcm_capture_open()
738 static int snd_gf1_pcm_capture_close(struct snd_pcm_substream *substream)  in snd_gf1_pcm_capture_close()  argument
740 	struct snd_gus_card *gus = snd_pcm_substream_chip(substream);  in snd_gf1_pcm_capture_close()
857 	struct snd_pcm_substream *substream;  in snd_gf1_pcm_new()  local
874 …for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substre…  in snd_gf1_pcm_new()
875 		snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV,  in snd_gf1_pcm_new()
885 		snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,  in snd_gf1_pcm_new()