180 aaci_chan_wait_ready(struct aaci_runtime *aacirun, unsigned long mask)  in aaci_chan_wait_ready()  argument
187 		val = readl(aacirun->base + AACI_SR);  in aaci_chan_wait_ready()
209 		struct aaci_runtime *aacirun = &aaci->capture;  in aaci_fifo_irq()  local
213 		if (!aacirun->substream || !aacirun->start) {  in aaci_fifo_irq()
215 			writel(0, aacirun->base + AACI_IE);  in aaci_fifo_irq()
219 		spin_lock(&aacirun->lock);  in aaci_fifo_irq()
221 		ptr = aacirun->ptr;  in aaci_fifo_irq()
223 			unsigned int len = aacirun->fifo_bytes;  in aaci_fifo_irq()
226 			if (aacirun->bytes <= 0) {  in aaci_fifo_irq()
227 				aacirun->bytes += aacirun->period;  in aaci_fifo_irq()
230 			if (!(aacirun->cr & CR_EN))  in aaci_fifo_irq()
233 			val = readl(aacirun->base + AACI_SR);  in aaci_fifo_irq()
239 			aacirun->bytes -= len;  in aaci_fifo_irq()
247 					: "r" (aacirun->fifo)  in aaci_fifo_irq()
250 				if (ptr >= aacirun->end)  in aaci_fifo_irq()
251 					ptr = aacirun->start;  in aaci_fifo_irq()
255 		aacirun->ptr = ptr;  in aaci_fifo_irq()
257 		spin_unlock(&aacirun->lock);  in aaci_fifo_irq()
260 			snd_pcm_period_elapsed(aacirun->substream);  in aaci_fifo_irq()
269 		struct aaci_runtime *aacirun = &aaci->playback;  in aaci_fifo_irq()  local
273 		if (!aacirun->substream || !aacirun->start) {  in aaci_fifo_irq()
275 			writel(0, aacirun->base + AACI_IE);  in aaci_fifo_irq()
279 		spin_lock(&aacirun->lock);  in aaci_fifo_irq()
281 		ptr = aacirun->ptr;  in aaci_fifo_irq()
283 			unsigned int len = aacirun->fifo_bytes;  in aaci_fifo_irq()
286 			if (aacirun->bytes <= 0) {  in aaci_fifo_irq()
287 				aacirun->bytes += aacirun->period;  in aaci_fifo_irq()
290 			if (!(aacirun->cr & CR_EN))  in aaci_fifo_irq()
293 			val = readl(aacirun->base + AACI_SR);  in aaci_fifo_irq()
299 			aacirun->bytes -= len;  in aaci_fifo_irq()
307 					: "r" (aacirun->fifo)  in aaci_fifo_irq()
310 				if (ptr >= aacirun->end)  in aaci_fifo_irq()
311 					ptr = aacirun->start;  in aaci_fifo_irq()
315 		aacirun->ptr = ptr;  in aaci_fifo_irq()
317 		spin_unlock(&aacirun->lock);  in aaci_fifo_irq()
320 			snd_pcm_period_elapsed(aacirun->substream);  in aaci_fifo_irq()
403 	struct aaci_runtime *aacirun;  in aaci_pcm_open()  local
407 		aacirun = &aaci->playback;  in aaci_pcm_open()
409 		aacirun = &aaci->capture;  in aaci_pcm_open()
412 	aacirun->substream = substream;  in aaci_pcm_open()
413 	runtime->private_data = aacirun;  in aaci_pcm_open()
415 	runtime->hw.rates = aacirun->pcm->rates;  in aaci_pcm_open()
429 		if (aacirun->pcm->r[1].slots)  in aaci_pcm_open()
459 	struct aaci_runtime *aacirun = substream->runtime->private_data;  in aaci_pcm_close()  local
461 	WARN_ON(aacirun->cr & CR_EN);  in aaci_pcm_close()
463 	aacirun->substream = NULL;  in aaci_pcm_close()
475 	struct aaci_runtime *aacirun = substream->runtime->private_data;  in aaci_pcm_hw_free()  local
480 	WARN_ON(aacirun->cr & CR_EN);  in aaci_pcm_hw_free()
482 	if (aacirun->pcm_open)  in aaci_pcm_hw_free()
483 		snd_ac97_pcm_close(aacirun->pcm);  in aaci_pcm_hw_free()
484 	aacirun->pcm_open = 0;  in aaci_pcm_hw_free()
499 	struct aaci_runtime *aacirun = substream->runtime->private_data;  in aaci_pcm_hw_params()  local
507 	if (aacirun->pcm_open) {  in aaci_pcm_hw_params()
508 		snd_ac97_pcm_close(aacirun->pcm);  in aaci_pcm_hw_params()
509 		aacirun->pcm_open = 0;  in aaci_pcm_hw_params()
516 	err = snd_ac97_pcm_open(aacirun->pcm, rate, channels,  in aaci_pcm_hw_params()
517 				aacirun->pcm->r[dbl].slots);  in aaci_pcm_hw_params()
519 	aacirun->pcm_open = err == 0;  in aaci_pcm_hw_params()
520 	aacirun->cr = CR_FEN | CR_COMPACT | CR_SZ16;  in aaci_pcm_hw_params()
521 	aacirun->cr |= channels_to_slotmask[channels + dbl * 2];  in aaci_pcm_hw_params()
528 	aacirun->fifo_bytes = aaci->fifo_depth * 4 / 2;  in aaci_pcm_hw_params()
536 	struct aaci_runtime *aacirun = runtime->private_data;  in aaci_pcm_prepare()  local
538 	aacirun->period	= snd_pcm_lib_period_bytes(substream);  in aaci_pcm_prepare()
539 	aacirun->start	= runtime->dma_area;  in aaci_pcm_prepare()
540 	aacirun->end	= aacirun->start + snd_pcm_lib_buffer_bytes(substream);  in aaci_pcm_prepare()
541 	aacirun->ptr	= aacirun->start;  in aaci_pcm_prepare()
542 	aacirun->bytes	= aacirun->period;  in aaci_pcm_prepare()
550 	struct aaci_runtime *aacirun = runtime->private_data;  in aaci_pcm_pointer()  local
551 	ssize_t bytes = aacirun->ptr - aacirun->start;  in aaci_pcm_pointer()
560 static void aaci_pcm_playback_stop(struct aaci_runtime *aacirun)  in aaci_pcm_playback_stop()  argument
564 	ie = readl(aacirun->base + AACI_IE);  in aaci_pcm_playback_stop()
566 	writel(ie, aacirun->base + AACI_IE);  in aaci_pcm_playback_stop()
567 	aacirun->cr &= ~CR_EN;  in aaci_pcm_playback_stop()
568 	aaci_chan_wait_ready(aacirun, SR_TXB);  in aaci_pcm_playback_stop()
569 	writel(aacirun->cr, aacirun->base + AACI_TXCR);  in aaci_pcm_playback_stop()
572 static void aaci_pcm_playback_start(struct aaci_runtime *aacirun)  in aaci_pcm_playback_start()  argument
576 	aaci_chan_wait_ready(aacirun, SR_TXB);  in aaci_pcm_playback_start()
577 	aacirun->cr |= CR_EN;  in aaci_pcm_playback_start()
579 	ie = readl(aacirun->base + AACI_IE);  in aaci_pcm_playback_start()
581 	writel(ie, aacirun->base + AACI_IE);  in aaci_pcm_playback_start()
582 	writel(aacirun->cr, aacirun->base + AACI_TXCR);  in aaci_pcm_playback_start()
587 	struct aaci_runtime *aacirun = substream->runtime->private_data;  in aaci_pcm_playback_trigger()  local
591 	spin_lock_irqsave(&aacirun->lock, flags);  in aaci_pcm_playback_trigger()
595 		aaci_pcm_playback_start(aacirun);  in aaci_pcm_playback_trigger()
599 		aaci_pcm_playback_start(aacirun);  in aaci_pcm_playback_trigger()
603 		aaci_pcm_playback_stop(aacirun);  in aaci_pcm_playback_trigger()
607 		aaci_pcm_playback_stop(aacirun);  in aaci_pcm_playback_trigger()
620 	spin_unlock_irqrestore(&aacirun->lock, flags);  in aaci_pcm_playback_trigger()
635 static void aaci_pcm_capture_stop(struct aaci_runtime *aacirun)  in aaci_pcm_capture_stop()  argument
639 	aaci_chan_wait_ready(aacirun, SR_RXB);  in aaci_pcm_capture_stop()
641 	ie = readl(aacirun->base + AACI_IE);  in aaci_pcm_capture_stop()
643 	writel(ie, aacirun->base+AACI_IE);  in aaci_pcm_capture_stop()
645 	aacirun->cr &= ~CR_EN;  in aaci_pcm_capture_stop()
647 	writel(aacirun->cr, aacirun->base + AACI_RXCR);  in aaci_pcm_capture_stop()
650 static void aaci_pcm_capture_start(struct aaci_runtime *aacirun)  in aaci_pcm_capture_start()  argument
654 	aaci_chan_wait_ready(aacirun, SR_RXB);  in aaci_pcm_capture_start()
658 	aacirun->cr |= 0xf << 17;  in aaci_pcm_capture_start()
661 	aacirun->cr |= CR_EN;  in aaci_pcm_capture_start()
662 	writel(aacirun->cr, aacirun->base + AACI_RXCR);  in aaci_pcm_capture_start()
664 	ie = readl(aacirun->base + AACI_IE);  in aaci_pcm_capture_start()
666 	writel(ie, aacirun->base + AACI_IE);  in aaci_pcm_capture_start()
671 	struct aaci_runtime *aacirun = substream->runtime->private_data;  in aaci_pcm_capture_trigger()  local
675 	spin_lock_irqsave(&aacirun->lock, flags);  in aaci_pcm_capture_trigger()
679 		aaci_pcm_capture_start(aacirun);  in aaci_pcm_capture_trigger()
683 		aaci_pcm_capture_start(aacirun);  in aaci_pcm_capture_trigger()
687 		aaci_pcm_capture_stop(aacirun);  in aaci_pcm_capture_trigger()
691 		aaci_pcm_capture_stop(aacirun);  in aaci_pcm_capture_trigger()
704 	spin_unlock_irqrestore(&aacirun->lock, flags);  in aaci_pcm_capture_trigger()
931 	struct aaci_runtime *aacirun = &aaci->playback;  in aaci_size_fifo()  local
938 	writel(CR_FEN | CR_SZ16 | CR_EN, aacirun->base + AACI_TXCR);  in aaci_size_fifo()
940 	for (i = 0; !(readl(aacirun->base + AACI_SR) & SR_TXFF) && i < 4096; i++)  in aaci_size_fifo()
941 		writel(0, aacirun->fifo);  in aaci_size_fifo()
943 	writel(0, aacirun->base + AACI_TXCR);  in aaci_size_fifo()