407 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,  in mark_runtime_wc()  argument
410 	if (azx_dev->wc_marked != on) {  in mark_runtime_wc()
412 		azx_dev->wc_marked = on;  in mark_runtime_wc()
421 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,  in mark_runtime_wc()  argument
505 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,  in azx_get_delay_from_lpib()  argument
508 	struct snd_pcm_substream *substream = azx_dev->substream;  in azx_get_delay_from_lpib()
510 	unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);  in azx_get_delay_from_lpib()
518 		if (delay >= azx_dev->delay_negative_threshold)  in azx_get_delay_from_lpib()
521 			delay += azx_dev->bufsize;  in azx_get_delay_from_lpib()
524 	if (delay >= azx_dev->period_bytes) {  in azx_get_delay_from_lpib()
527 			 delay, azx_dev->period_bytes);  in azx_get_delay_from_lpib()
536 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
539 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)  in azx_position_check()  argument
544 	ok = azx_position_ok(chip, azx_dev);  in azx_position_check()
546 		azx_dev->irq_pending = 0;  in azx_position_check()
550 		azx_dev->irq_pending = 1;  in azx_position_check()
565 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)  in azx_position_ok()  argument
567 	struct snd_pcm_substream *substream = azx_dev->substream;  in azx_position_ok()
572 	wallclk = azx_readl(chip, WALLCLK) - azx_dev->start_wallclk;  in azx_position_ok()
573 	if (wallclk < (azx_dev->period_wallclk * 2) / 3)  in azx_position_ok()
577 		pos = chip->get_position[stream](chip, azx_dev);  in azx_position_ok()
579 		pos = azx_get_pos_posbuf(chip, azx_dev);  in azx_position_ok()
584 			pos = azx_get_pos_lpib(chip, azx_dev);  in azx_position_ok()
593 	if (pos >= azx_dev->bufsize)  in azx_position_ok()
596 	if (WARN_ONCE(!azx_dev->period_bytes,  in azx_position_ok()
599 	if (wallclk < (azx_dev->period_wallclk * 5) / 4 &&  in azx_position_ok()
600 	    pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)  in azx_position_ok()
603 	azx_dev->start_wallclk += wallclk;  in azx_position_ok()
627 			struct azx_dev *azx_dev = &chip->azx_dev[i];  in azx_irq_pending_work()  local
628 			if (!azx_dev->irq_pending ||  in azx_irq_pending_work()
629 			    !azx_dev->substream ||  in azx_irq_pending_work()
630 			    !azx_dev->running)  in azx_irq_pending_work()
632 			ok = azx_position_ok(chip, azx_dev);  in azx_irq_pending_work()
634 				azx_dev->irq_pending = 0;  in azx_irq_pending_work()
636 				snd_pcm_period_elapsed(azx_dev->substream);  in azx_irq_pending_work()
657 		chip->azx_dev[i].irq_pending = 0;  in azx_clear_irq_pending()
680 					 struct azx_dev *azx_dev)  in azx_via_get_position()  argument
686 	link_pos = azx_sd_readl(chip, azx_dev, SD_LPIB);  in azx_via_get_position()
687 	if (azx_dev->substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in azx_via_get_position()
696 	mod_dma_pos = le32_to_cpu(*azx_dev->posbuf);  in azx_via_get_position()
697 	mod_dma_pos %= azx_dev->period_bytes;  in azx_via_get_position()
704 	if (azx_dev->insufficient) {  in azx_via_get_position()
709 		azx_dev->insufficient = 0;  in azx_via_get_position()
713 		mini_pos = azx_dev->bufsize + link_pos - fifo_size;  in azx_via_get_position()
718 	mod_mini_pos = mini_pos % azx_dev->period_bytes;  in azx_via_get_position()
719 	mod_link_pos = link_pos % azx_dev->period_bytes;  in azx_via_get_position()
725 		bound_pos = mini_pos - mod_mini_pos + azx_dev->period_bytes;  in azx_via_get_position()
726 		if (bound_pos >= azx_dev->bufsize)  in azx_via_get_position()
1133 			azx_stream_stop(chip, &chip->azx_dev[i]);  in azx_free()
1147 	kfree(chip->azx_dev);  in azx_free()
1613 	chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev),  in azx_first_init()
1615 	if (!chip->azx_dev)  in azx_first_init()
1757 	struct azx_dev *azx_dev = get_azx_dev(substream);  in substream_alloc_pages()  local
1760 	mark_runtime_wc(chip, azx_dev, substream, false);  in substream_alloc_pages()
1761 	azx_dev->bufsize = 0;  in substream_alloc_pages()
1762 	azx_dev->period_bytes = 0;  in substream_alloc_pages()
1763 	azx_dev->format_val = 0;  in substream_alloc_pages()
1767 	mark_runtime_wc(chip, azx_dev, substream, true);  in substream_alloc_pages()
1774 	struct azx_dev *azx_dev = get_azx_dev(substream);  in substream_free_pages()  local
1775 	mark_runtime_wc(chip, azx_dev, substream, false);  in substream_free_pages()