isa/sb/emu8000_pcm.c

216 static int emu8k_pcm_open(struct snd_pcm_substream *subs)
218 	struct snd_emu8000 *emu = snd_pcm_substream_chip(subs);
220 	struct snd_pcm_runtime *runtime = subs->runtime;
227 	rec->substream = subs;
244 static int emu8k_pcm_close(struct snd_pcm_substream *subs)
246 	struct snd_emu8k_pcm *rec = subs->runtime->private_data;
248 	subs->runtime->private_data = NULL;
373 static int emu8k_pcm_trigger(struct snd_pcm_substream *subs, int cmd)
375 	struct snd_emu8k_pcm *rec = subs->runtime->private_data;
437 static int emu8k_pcm_copy(struct snd_pcm_substream *subs,
441 	struct snd_emu8k_pcm *rec = subs->runtime->private_data;
451 static int emu8k_pcm_silence(struct snd_pcm_substream *subs,
454 	struct snd_emu8k_pcm *rec = subs->runtime->private_data;
491 static int emu8k_pcm_copy(struct snd_pcm_substream *subs,
495 	struct snd_emu8k_pcm *rec = subs->runtime->private_data;
498 	pos = bytes_to_frames(subs->runtime, pos);
499 	count = bytes_to_frames(subs->runtime, count);
504 static int emu8k_pcm_silence(struct snd_pcm_substream *subs,
507 	struct snd_emu8k_pcm *rec = subs->runtime->private_data;
510 	pos = bytes_to_frames(subs->runtime, pos);
511 	count = bytes_to_frames(subs->runtime, count);
521 static int emu8k_pcm_hw_params(struct snd_pcm_substream *subs,
524 	struct snd_emu8k_pcm *rec = subs->runtime->private_data;
538 	subs->dma_buffer.bytes = params_buffer_bytes(hw_params);
546 static int emu8k_pcm_hw_free(struct snd_pcm_substream *subs)
548 	struct snd_emu8k_pcm *rec = subs->runtime->private_data;
564 static int emu8k_pcm_prepare(struct snd_pcm_substream *subs)
566 	struct snd_emu8k_pcm *rec = subs->runtime->private_data;
568 	rec->pitch = 0xe000 + calc_rate_offset(subs->runtime->rate);
572 	rec->buf_size = subs->runtime->buffer_size;
573 	rec->period_size = subs->runtime->period_size;
574 	rec->voices = subs->runtime->channels;
611 static snd_pcm_uframes_t emu8k_pcm_pointer(struct snd_pcm_substream *subs)
613 	struct snd_emu8k_pcm *rec = subs->runtime->private_data;