410 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,  in mark_runtime_wc()  argument
413 	if (azx_dev->wc_marked != on) {  in mark_runtime_wc()
415 		azx_dev->wc_marked = on;  in mark_runtime_wc()
424 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,  in mark_runtime_wc()  argument
508 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,  in azx_get_delay_from_lpib()  argument
511 	struct snd_pcm_substream *substream = azx_dev->substream;  in azx_get_delay_from_lpib()
513 	unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);  in azx_get_delay_from_lpib()
521 		if (delay >= azx_dev->delay_negative_threshold)  in azx_get_delay_from_lpib()
524 			delay += azx_dev->bufsize;  in azx_get_delay_from_lpib()
527 	if (delay >= azx_dev->period_bytes) {  in azx_get_delay_from_lpib()
530 			 delay, azx_dev->period_bytes);  in azx_get_delay_from_lpib()
539 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
542 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)  in azx_position_check()  argument
547 	ok = azx_position_ok(chip, azx_dev);  in azx_position_check()
549 		azx_dev->irq_pending = 0;  in azx_position_check()
553 		azx_dev->irq_pending = 1;  in azx_position_check()
568 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)  in azx_position_ok()  argument
570 	struct snd_pcm_substream *substream = azx_dev->substream;  in azx_position_ok()
575 	wallclk = azx_readl(chip, WALLCLK) - azx_dev->start_wallclk;  in azx_position_ok()
576 	if (wallclk < (azx_dev->period_wallclk * 2) / 3)  in azx_position_ok()
580 		pos = chip->get_position[stream](chip, azx_dev);  in azx_position_ok()
582 		pos = azx_get_pos_posbuf(chip, azx_dev);  in azx_position_ok()
587 			pos = azx_get_pos_lpib(chip, azx_dev);  in azx_position_ok()
596 	if (pos >= azx_dev->bufsize)  in azx_position_ok()
599 	if (WARN_ONCE(!azx_dev->period_bytes,  in azx_position_ok()
602 	if (wallclk < (azx_dev->period_wallclk * 5) / 4 &&  in azx_position_ok()
603 	    pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)  in azx_position_ok()
606 	azx_dev->start_wallclk += wallclk;  in azx_position_ok()
630 			struct azx_dev *azx_dev = &chip->azx_dev[i];  in azx_irq_pending_work()  local
631 			if (!azx_dev->irq_pending ||  in azx_irq_pending_work()
632 			    !azx_dev->substream ||  in azx_irq_pending_work()
633 			    !azx_dev->running)  in azx_irq_pending_work()
635 			ok = azx_position_ok(chip, azx_dev);  in azx_irq_pending_work()
637 				azx_dev->irq_pending = 0;  in azx_irq_pending_work()
639 				snd_pcm_period_elapsed(azx_dev->substream);  in azx_irq_pending_work()
660 		chip->azx_dev[i].irq_pending = 0;  in azx_clear_irq_pending()
683 					 struct azx_dev *azx_dev)  in azx_via_get_position()  argument
689 	link_pos = azx_sd_readl(chip, azx_dev, SD_LPIB);  in azx_via_get_position()
690 	if (azx_dev->substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in azx_via_get_position()
699 	mod_dma_pos = le32_to_cpu(*azx_dev->posbuf);  in azx_via_get_position()
700 	mod_dma_pos %= azx_dev->period_bytes;  in azx_via_get_position()
707 	if (azx_dev->insufficient) {  in azx_via_get_position()
712 		azx_dev->insufficient = 0;  in azx_via_get_position()
716 		mini_pos = azx_dev->bufsize + link_pos - fifo_size;  in azx_via_get_position()
721 	mod_mini_pos = mini_pos % azx_dev->period_bytes;  in azx_via_get_position()
722 	mod_link_pos = link_pos % azx_dev->period_bytes;  in azx_via_get_position()
728 		bound_pos = mini_pos - mod_mini_pos + azx_dev->period_bytes;  in azx_via_get_position()
729 		if (bound_pos >= azx_dev->bufsize)  in azx_via_get_position()
1131 			azx_stream_stop(chip, &chip->azx_dev[i]);  in azx_free()
1146 	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()
1768 	struct azx_dev *azx_dev = get_azx_dev(substream);  in substream_alloc_pages()  local
1771 	mark_runtime_wc(chip, azx_dev, substream, false);  in substream_alloc_pages()
1772 	azx_dev->bufsize = 0;  in substream_alloc_pages()
1773 	azx_dev->period_bytes = 0;  in substream_alloc_pages()
1774 	azx_dev->format_val = 0;  in substream_alloc_pages()
1778 	mark_runtime_wc(chip, azx_dev, substream, true);  in substream_alloc_pages()
1785 	struct azx_dev *azx_dev = get_azx_dev(substream);  in substream_free_pages()  local
1786 	mark_runtime_wc(chip, azx_dev, substream, false);  in substream_free_pages()