Lines Matching defs:azx_dev

579 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,
582 	struct snd_pcm_substream *substream = azx_dev->core.substream;
584 	unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);
592 		if (delay >= azx_dev->core.delay_negative_threshold)
595 			delay += azx_dev->core.bufsize;
598 	if (delay >= azx_dev->core.period_bytes) {
601 			 delay, azx_dev->core.period_bytes);
610 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
613 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
618 	ok = azx_position_ok(chip, azx_dev);
620 		azx_dev->irq_pending = 0;
624 		azx_dev->irq_pending = 1;
644 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
646 	struct snd_pcm_substream *substream = azx_dev->core.substream;
660 	wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;
661 	if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)
665 		pos = chip->get_position[stream](chip, azx_dev);
667 		pos = azx_get_pos_posbuf(chip, azx_dev);
675 			pos = azx_get_pos_lpib(chip, azx_dev);
684 	if (pos >= azx_dev->core.bufsize)
687 	if (WARN_ONCE(!azx_dev->core.period_bytes,
688 		      "hda-intel: zero azx_dev->period_bytes"))
690 	if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 &&
691 	    pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2)
694 	azx_dev->core.start_wallclk += wallclk;
696 	if (azx_dev->core.no_period_wakeup)
738 			struct azx_dev *azx_dev = stream_to_azx_dev(s);
739 			if (!azx_dev->irq_pending ||
743 			ok = azx_position_ok(chip, azx_dev);
745 				azx_dev->irq_pending = 0;
769 		struct azx_dev *azx_dev = stream_to_azx_dev(s);
770 		azx_dev->irq_pending = 0;
803 					 struct azx_dev *azx_dev)
809 	link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
810 	if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
819 	mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);
820 	mod_dma_pos %= azx_dev->core.period_bytes;
822 	fifo_size = azx_stream(azx_dev)->fifo_size;
824 	if (azx_dev->insufficient) {
829 		azx_dev->insufficient = 0;
833 		mini_pos = azx_dev->core.bufsize + link_pos - fifo_size;
838 	mod_mini_pos = mini_pos % azx_dev->core.period_bytes;
839 	mod_link_pos = link_pos % azx_dev->core.period_bytes;
845 		bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes;
846 		if (bound_pos >= azx_dev->core.bufsize)
857 static unsigned int azx_get_pos_fifo(struct azx *chip, struct azx_dev *azx_dev)
859 	struct snd_pcm_substream *substream = azx_dev->core.substream;
863 	pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
869 	if (azx_dev->insufficient) {
874 			azx_dev->insufficient = 0;
881 			pos += azx_dev->core.bufsize;
888 static int azx_get_delay_from_fifo(struct azx *chip, struct azx_dev *azx_dev,
891 	struct snd_pcm_substream *substream = azx_dev->core.substream;