437 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,  in mark_runtime_wc()  argument
440 	if (azx_dev->wc_marked != on) {  in mark_runtime_wc()
442 		azx_dev->wc_marked = on;  in mark_runtime_wc()
451 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,  in mark_runtime_wc()  argument
674 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,  in azx_get_delay_from_lpib()  argument
677 	struct snd_pcm_substream *substream = azx_dev->core.substream;  in azx_get_delay_from_lpib()
679 	unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);  in azx_get_delay_from_lpib()
687 		if (delay >= azx_dev->core.delay_negative_threshold)  in azx_get_delay_from_lpib()
690 			delay += azx_dev->core.bufsize;  in azx_get_delay_from_lpib()
693 	if (delay >= azx_dev->core.period_bytes) {  in azx_get_delay_from_lpib()
696 			 delay, azx_dev->core.period_bytes);  in azx_get_delay_from_lpib()
705 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
708 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)  in azx_position_check()  argument
713 	ok = azx_position_ok(chip, azx_dev);  in azx_position_check()
715 		azx_dev->irq_pending = 0;  in azx_position_check()
719 		azx_dev->irq_pending = 1;  in azx_position_check()
742 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)  in azx_position_ok()  argument
744 	struct snd_pcm_substream *substream = azx_dev->core.substream;  in azx_position_ok()
749 	wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;  in azx_position_ok()
750 	if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)  in azx_position_ok()
754 		pos = chip->get_position[stream](chip, azx_dev);  in azx_position_ok()
756 		pos = azx_get_pos_posbuf(chip, azx_dev);  in azx_position_ok()
764 			pos = azx_get_pos_lpib(chip, azx_dev);  in azx_position_ok()
773 	if (pos >= azx_dev->core.bufsize)  in azx_position_ok()
776 	if (WARN_ONCE(!azx_dev->core.period_bytes,  in azx_position_ok()
779 	if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 &&  in azx_position_ok()
780 	    pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2)  in azx_position_ok()
783 	azx_dev->core.start_wallclk += wallclk;  in azx_position_ok()
809 			struct azx_dev *azx_dev = stream_to_azx_dev(s);  in azx_irq_pending_work()  local
810 			if (!azx_dev->irq_pending ||  in azx_irq_pending_work()
814 			ok = azx_position_ok(chip, azx_dev);  in azx_irq_pending_work()
816 				azx_dev->irq_pending = 0;  in azx_irq_pending_work()
840 		struct azx_dev *azx_dev = stream_to_azx_dev(s);  in azx_clear_irq_pending()  local
841 		azx_dev->irq_pending = 0;  in azx_clear_irq_pending()
867 					 struct azx_dev *azx_dev)  in azx_via_get_position()  argument
873 	link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));  in azx_via_get_position()
874 	if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in azx_via_get_position()
883 	mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);  in azx_via_get_position()
884 	mod_dma_pos %= azx_dev->core.period_bytes;  in azx_via_get_position()
892 	if (azx_dev->insufficient) {  in azx_via_get_position()
897 		azx_dev->insufficient = 0;  in azx_via_get_position()
901 		mini_pos = azx_dev->core.bufsize + link_pos - fifo_size;  in azx_via_get_position()
906 	mod_mini_pos = mini_pos % azx_dev->core.period_bytes;  in azx_via_get_position()
907 	mod_link_pos = link_pos % azx_dev->core.period_bytes;  in azx_via_get_position()
913 		bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes;  in azx_via_get_position()
914 		if (bound_pos >= azx_dev->core.bufsize)  in azx_via_get_position()
923 					 struct azx_dev *azx_dev)  in azx_skl_get_dpib_pos()  argument
928 				     azx_dev->core.index));  in azx_skl_get_dpib_pos()
932 static unsigned int azx_get_pos_skl(struct azx *chip, struct azx_dev *azx_dev)  in azx_get_pos_skl()  argument
935 	if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in azx_get_pos_skl()
936 		return azx_skl_get_dpib_pos(chip, azx_dev);  in azx_get_pos_skl()
943 	azx_skl_get_dpib_pos(chip, azx_dev);  in azx_get_pos_skl()
944 	return azx_get_pos_posbuf(chip, azx_dev);  in azx_get_pos_skl()
2116 	struct azx_dev *azx_dev = get_azx_dev(substream);  in substream_alloc_pages()  local
2119 	mark_runtime_wc(chip, azx_dev, substream, false);  in substream_alloc_pages()
2123 	mark_runtime_wc(chip, azx_dev, substream, true);  in substream_alloc_pages()
2130 	struct azx_dev *azx_dev = get_azx_dev(substream);  in substream_free_pages()  local
2131 	mark_runtime_wc(chip, azx_dev, substream, false);  in substream_free_pages()