219 	struct snd_card_aica *dreamcastcard;  in aica_dma_transfer()  local
223 	dreamcastcard = substream->pcm->private_data;  in aica_dma_transfer()
224 	period_offset = dreamcastcard->clicks;  in aica_dma_transfer()
248 static void startup_aica(struct snd_card_aica *dreamcastcard)  in startup_aica()  argument
251 		    dreamcastcard->channel, sizeof(struct aica_channel));  in startup_aica()
259 	struct snd_card_aica *dreamcastcard;  in run_spu_dma()  local
260 	dreamcastcard =  in run_spu_dma()
262 	runtime = dreamcastcard->substream->runtime;  in run_spu_dma()
263 	if (unlikely(dreamcastcard->dma_check == 0)) {  in run_spu_dma()
267 			dreamcastcard->channel->flags |= 0x01;  in run_spu_dma()
269 				  dreamcastcard->substream);  in run_spu_dma()
270 		startup_aica(dreamcastcard);  in run_spu_dma()
271 		dreamcastcard->clicks =  in run_spu_dma()
277 				  dreamcastcard->substream);  in run_spu_dma()
278 		snd_pcm_period_elapsed(dreamcastcard->substream);  in run_spu_dma()
279 		dreamcastcard->clicks++;  in run_spu_dma()
280 		if (unlikely(dreamcastcard->clicks >= AICA_PERIOD_NUMBER))  in run_spu_dma()
281 			dreamcastcard->clicks %= AICA_PERIOD_NUMBER;  in run_spu_dma()
282 		mod_timer(&dreamcastcard->timer, jiffies + 1);  in run_spu_dma()
288 	struct snd_card_aica *dreamcastcard = from_timer(dreamcastcard,  in aica_period_elapsed()  local
290 	struct snd_pcm_substream *substream = dreamcastcard->substream;  in aica_period_elapsed()
295 	dreamcastcard = substream->pcm->private_data;  in aica_period_elapsed()
302 	if (play_period == dreamcastcard->current_period) {  in aica_period_elapsed()
304 		mod_timer(&(dreamcastcard->timer), jiffies + 1);  in aica_period_elapsed()
308 		dreamcastcard->current_period = play_period;  in aica_period_elapsed()
309 	if (unlikely(dreamcastcard->dma_check == 0))  in aica_period_elapsed()
310 		dreamcastcard->dma_check = 1;  in aica_period_elapsed()
311 	schedule_work(&(dreamcastcard->spu_dma_work));  in aica_period_elapsed()
316 	struct snd_card_aica *dreamcastcard;  in spu_begin_dma()  local
319 	dreamcastcard = substream->pcm->private_data;  in spu_begin_dma()
321 	schedule_work(&(dreamcastcard->spu_dma_work));  in spu_begin_dma()
322 	mod_timer(&dreamcastcard->timer, jiffies + 4);  in spu_begin_dma()
330 	struct snd_card_aica *dreamcastcard;  in snd_aicapcm_pcm_open()  local
333 	dreamcastcard = substream->pcm->private_data;  in snd_aicapcm_pcm_open()
340 	channel->vol = dreamcastcard->master_volume;  in snd_aicapcm_pcm_open()
344 	dreamcastcard->channel = channel;  in snd_aicapcm_pcm_open()
348 	dreamcastcard->clicks = 0;  in snd_aicapcm_pcm_open()
349 	dreamcastcard->current_period = 0;  in snd_aicapcm_pcm_open()
350 	dreamcastcard->dma_check = 0;  in snd_aicapcm_pcm_open()
357 	struct snd_card_aica *dreamcastcard = substream->pcm->private_data;  in snd_aicapcm_pcm_close()  local
358 	flush_work(&(dreamcastcard->spu_dma_work));  in snd_aicapcm_pcm_close()
359 	del_timer(&dreamcastcard->timer);  in snd_aicapcm_pcm_close()
360 	dreamcastcard->substream = NULL;  in snd_aicapcm_pcm_close()
361 	kfree(dreamcastcard->channel);  in snd_aicapcm_pcm_close()
369 	struct snd_card_aica *dreamcastcard = substream->pcm->private_data;  in snd_aicapcm_pcm_prepare()  local
371 		dreamcastcard->channel->sfmt = SM_16BIT;  in snd_aicapcm_pcm_prepare()
372 	dreamcastcard->channel->freq = substream->runtime->rate;  in snd_aicapcm_pcm_prepare()
373 	dreamcastcard->substream = substream;  in snd_aicapcm_pcm_prepare()
409 				  *dreamcastcard, int pcm_index)  in snd_aicapcmchip()
415 	    snd_pcm_new(dreamcastcard->card, "AICA PCM", pcm_index, 1, 0,  in snd_aicapcmchip()
419 	pcm->private_data = dreamcastcard;  in snd_aicapcmchip()
465 	struct snd_card_aica *dreamcastcard;  in aica_pcmvolume_get()  local
466 	dreamcastcard = kcontrol->private_data;  in aica_pcmvolume_get()
467 	if (unlikely(!dreamcastcard->channel))  in aica_pcmvolume_get()
469 	ucontrol->value.integer.value[0] = dreamcastcard->channel->vol;  in aica_pcmvolume_get()
476 	struct snd_card_aica *dreamcastcard;  in aica_pcmvolume_put()  local
478 	dreamcastcard = kcontrol->private_data;  in aica_pcmvolume_put()
479 	if (unlikely(!dreamcastcard->channel))  in aica_pcmvolume_put()
484 	if (unlikely(dreamcastcard->channel->vol == vol))  in aica_pcmvolume_put()
486 	dreamcastcard->channel->vol = ucontrol->value.integer.value[0];  in aica_pcmvolume_put()
487 	dreamcastcard->master_volume = ucontrol->value.integer.value[0];  in aica_pcmvolume_put()
489 		    dreamcastcard->channel, sizeof(struct aica_channel));  in aica_pcmvolume_put()
527 static int add_aicamixer_controls(struct snd_card_aica *dreamcastcard)  in add_aicamixer_controls()  argument
531 	    (dreamcastcard->card,  in add_aicamixer_controls()
532 	     snd_ctl_new1(&snd_aica_pcmvolume_control, dreamcastcard));  in add_aicamixer_controls()
536 	    (dreamcastcard->card,  in add_aicamixer_controls()
537 	     snd_ctl_new1(&snd_aica_pcmswitch_control, dreamcastcard));  in add_aicamixer_controls()
545 	struct snd_card_aica *dreamcastcard;  in snd_aica_remove()  local
546 	dreamcastcard = platform_get_drvdata(devptr);  in snd_aica_remove()
547 	if (unlikely(!dreamcastcard))  in snd_aica_remove()
549 	snd_card_free(dreamcastcard->card);  in snd_aica_remove()
550 	kfree(dreamcastcard);  in snd_aica_remove()
557 	struct snd_card_aica *dreamcastcard;  in snd_aica_probe()  local
558 	dreamcastcard = kzalloc(sizeof(struct snd_card_aica), GFP_KERNEL);  in snd_aica_probe()
559 	if (unlikely(!dreamcastcard))  in snd_aica_probe()
562 			   THIS_MODULE, 0, &dreamcastcard->card);  in snd_aica_probe()
564 		kfree(dreamcastcard);  in snd_aica_probe()
567 	strcpy(dreamcastcard->card->driver, "snd_aica");  in snd_aica_probe()
568 	strcpy(dreamcastcard->card->shortname, SND_AICA_DRIVER);  in snd_aica_probe()
569 	strcpy(dreamcastcard->card->longname,  in snd_aica_probe()
572 	INIT_WORK(&(dreamcastcard->spu_dma_work), run_spu_dma);  in snd_aica_probe()
573 	timer_setup(&dreamcastcard->timer, aica_period_elapsed, 0);  in snd_aica_probe()
575 	err = snd_aicapcmchip(dreamcastcard, 0);  in snd_aica_probe()
579 	err = add_aicamixer_controls(dreamcastcard);  in snd_aica_probe()
583 	err = snd_card_register(dreamcastcard->card);  in snd_aica_probe()
586 	platform_set_drvdata(devptr, dreamcastcard);  in snd_aica_probe()
591 	snd_card_free(dreamcastcard->card);  in snd_aica_probe()
592 	kfree(dreamcastcard);  in snd_aica_probe()