422 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,  in mark_runtime_wc()  argument
425 	if (azx_dev->wc_marked != on) {  in mark_runtime_wc()
427 		azx_dev->wc_marked = on;  in mark_runtime_wc()
436 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,  in mark_runtime_wc()  argument
563 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,  in azx_get_delay_from_lpib()  argument
566 	struct snd_pcm_substream *substream = azx_dev->core.substream;  in azx_get_delay_from_lpib()
568 	unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);  in azx_get_delay_from_lpib()
576 		if (delay >= azx_dev->core.delay_negative_threshold)  in azx_get_delay_from_lpib()
579 			delay += azx_dev->core.bufsize;  in azx_get_delay_from_lpib()
582 	if (delay >= azx_dev->core.period_bytes) {  in azx_get_delay_from_lpib()
585 			 delay, azx_dev->core.period_bytes);  in azx_get_delay_from_lpib()
594 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
597 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)  in azx_position_check()  argument
602 	ok = azx_position_ok(chip, azx_dev);  in azx_position_check()
604 		azx_dev->irq_pending = 0;  in azx_position_check()
608 		azx_dev->irq_pending = 1;  in azx_position_check()
631 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)  in azx_position_ok()  argument
633 	struct snd_pcm_substream *substream = azx_dev->core.substream;  in azx_position_ok()
638 	wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;  in azx_position_ok()
639 	if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)  in azx_position_ok()
643 		pos = chip->get_position[stream](chip, azx_dev);  in azx_position_ok()
645 		pos = azx_get_pos_posbuf(chip, azx_dev);  in azx_position_ok()
653 			pos = azx_get_pos_lpib(chip, azx_dev);  in azx_position_ok()
662 	if (pos >= azx_dev->core.bufsize)  in azx_position_ok()
665 	if (WARN_ONCE(!azx_dev->core.period_bytes,  in azx_position_ok()
668 	if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 &&  in azx_position_ok()
669 	    pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2)  in azx_position_ok()
672 	azx_dev->core.start_wallclk += wallclk;  in azx_position_ok()
698 			struct azx_dev *azx_dev = stream_to_azx_dev(s);  in azx_irq_pending_work()  local
699 			if (!azx_dev->irq_pending ||  in azx_irq_pending_work()
703 			ok = azx_position_ok(chip, azx_dev);  in azx_irq_pending_work()
705 				azx_dev->irq_pending = 0;  in azx_irq_pending_work()
729 		struct azx_dev *azx_dev = stream_to_azx_dev(s);  in azx_clear_irq_pending()  local
730 		azx_dev->irq_pending = 0;  in azx_clear_irq_pending()
756 					 struct azx_dev *azx_dev)  in azx_via_get_position()  argument
762 	link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));  in azx_via_get_position()
763 	if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in azx_via_get_position()
772 	mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);  in azx_via_get_position()
773 	mod_dma_pos %= azx_dev->core.period_bytes;  in azx_via_get_position()
781 	if (azx_dev->insufficient) {  in azx_via_get_position()
786 		azx_dev->insufficient = 0;  in azx_via_get_position()
790 		mini_pos = azx_dev->core.bufsize + link_pos - fifo_size;  in azx_via_get_position()
795 	mod_mini_pos = mini_pos % azx_dev->core.period_bytes;  in azx_via_get_position()
796 	mod_link_pos = link_pos % azx_dev->core.period_bytes;  in azx_via_get_position()
802 		bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes;  in azx_via_get_position()
803 		if (bound_pos >= azx_dev->core.bufsize)  in azx_via_get_position()
1912 	struct azx_dev *azx_dev = get_azx_dev(substream);  in substream_alloc_pages()  local
1915 	mark_runtime_wc(chip, azx_dev, substream, false);  in substream_alloc_pages()
1919 	mark_runtime_wc(chip, azx_dev, substream, true);  in substream_alloc_pages()
1926 	struct azx_dev *azx_dev = get_azx_dev(substream);  in substream_free_pages()  local
1927 	mark_runtime_wc(chip, azx_dev, substream, false);  in substream_free_pages()