19 				struct pcm_info **pi, struct pcm_info **other)  in get_pcm_info()  argument
22 		if (pi)  in get_pcm_info()
23 			*pi = &i2sdev->in;  in get_pcm_info()
27 		if (pi)  in get_pcm_info()
28 			*pi = &i2sdev->out;  in get_pcm_info()
74 	struct pcm_info *pi, *other;  in i2sbus_pcm_open()  local
88 	get_pcm_info(i2sdev, in, &pi, &other);  in i2sbus_pcm_open()
90 	hw = &pi->substream->runtime->hw;  in i2sbus_pcm_open()
93 	if (pi->active) {  in i2sbus_pcm_open()
195 	err = snd_pcm_hw_constraint_integer(pi->substream->runtime,  in i2sbus_pcm_open()
203 			err = cii->codec->open(cii, pi->substream);  in i2sbus_pcm_open()
212 								pi->substream);  in i2sbus_pcm_open()
232 	struct pcm_info *pi;  in i2sbus_pcm_close()  local
237 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_pcm_close()
241 			tmp = cii->codec->close(cii, pi->substream);  in i2sbus_pcm_close()
247 	pi->substream = NULL;  in i2sbus_pcm_close()
248 	pi->active = 0;  in i2sbus_pcm_close()
254 				 struct pcm_info *pi)  in i2sbus_wait_for_stop()  argument
261 	if (pi->dbdma_ring.stopping) {  in i2sbus_wait_for_stop()
262 		pi->stop_completion = &done;  in i2sbus_wait_for_stop()
266 		pi->stop_completion = NULL;  in i2sbus_wait_for_stop()
271 			out_le32(&pi->dbdma->control, (RUN | PAUSE | 1) << 16);  in i2sbus_wait_for_stop()
272 			pi->dbdma_ring.stopping = 0;  in i2sbus_wait_for_stop()
274 			while (in_le32(&pi->dbdma->status) & ACTIVE) {  in i2sbus_wait_for_stop()
287 	struct pcm_info *pi;  in i2sbus_wait_for_stop_both()  local
289 	get_pcm_info(i2sdev, 0, &pi, NULL);  in i2sbus_wait_for_stop_both()
290 	i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_wait_for_stop_both()
291 	get_pcm_info(i2sdev, 1, &pi, NULL);  in i2sbus_wait_for_stop_both()
292 	i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_wait_for_stop_both()
299 	struct pcm_info *pi;  in i2sbus_hw_free()  local
301 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_hw_free()
302 	if (pi->dbdma_ring.stopping)  in i2sbus_hw_free()
303 		i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_hw_free()
331 	struct pcm_info *pi, *other;  in i2sbus_pcm_prepare()  local
338 	get_pcm_info(i2sdev, in, &pi, &other);  in i2sbus_pcm_prepare()
340 	if (pi->dbdma_ring.running) {  in i2sbus_pcm_prepare()
344 	if (pi->dbdma_ring.stopping)  in i2sbus_pcm_prepare()
345 		i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_pcm_prepare()
347 	if (!pi->substream || !pi->substream->runtime) {  in i2sbus_pcm_prepare()
352 	runtime = pi->substream->runtime;  in i2sbus_pcm_prepare()
353 	pi->active = 1;  in i2sbus_pcm_prepare()
364 	periodsize = snd_pcm_lib_period_bytes(pi->substream);  in i2sbus_pcm_prepare()
365 	nperiods = pi->substream->runtime->periods;  in i2sbus_pcm_prepare()
366 	pi->current_period = 0;  in i2sbus_pcm_prepare()
369 	command = pi->dbdma_ring.cmds;  in i2sbus_pcm_prepare()
386 	stopaddr = pi->dbdma_ring.bus_cmd_start +  in i2sbus_pcm_prepare()
397 	command->cmd_dep = cpu_to_le32(pi->dbdma_ring.bus_cmd_start);  in i2sbus_pcm_prepare()
459 			err = cii->codec->prepare(cii, &bi, pi->substream);  in i2sbus_pcm_prepare()
533 	struct pcm_info *pi;  in i2sbus_pcm_trigger()  local
539 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_pcm_trigger()
544 		if (pi->dbdma_ring.running) {  in i2sbus_pcm_trigger()
550 				cii->codec->start(cii, pi->substream);  in i2sbus_pcm_trigger()
551 		pi->dbdma_ring.running = 1;  in i2sbus_pcm_trigger()
553 		if (pi->dbdma_ring.stopping) {  in i2sbus_pcm_trigger()
555 			out_le32(&pi->dbdma->control, 1 << 16);  in i2sbus_pcm_trigger()
556 			if (in_le32(&pi->dbdma->status) & ACTIVE) {  in i2sbus_pcm_trigger()
559 				if (in_le32(&pi->dbdma->status) & ACTIVE) {  in i2sbus_pcm_trigger()
560 					pi->dbdma_ring.stopping = 0;  in i2sbus_pcm_trigger()
567 		out_le32(&pi->dbdma->control, (RUN | PAUSE | 1) << 16);  in i2sbus_pcm_trigger()
570 		out_le32(&pi->dbdma->br_sel, (1 << 16) | 1);  in i2sbus_pcm_trigger()
573 		out_le32(&pi->dbdma->cmdptr, pi->dbdma_ring.bus_cmd_start);  in i2sbus_pcm_trigger()
576 		pi->current_period = 0;  in i2sbus_pcm_trigger()
577 		pi->frame_count = in_le32(&i2sdev->intfregs->frame_count);  in i2sbus_pcm_trigger()
580 		out_le32(&pi->dbdma->control, (RUN << 16) | RUN);  in i2sbus_pcm_trigger()
587 		if (!pi->dbdma_ring.running) {  in i2sbus_pcm_trigger()
591 		pi->dbdma_ring.running = 0;  in i2sbus_pcm_trigger()
594 		out_le32(&pi->dbdma->control, (1 << 16) | 1);  in i2sbus_pcm_trigger()
595 		pi->dbdma_ring.stopping = 1;  in i2sbus_pcm_trigger()
599 				cii->codec->stop(cii, pi->substream);  in i2sbus_pcm_trigger()
613 	struct pcm_info *pi;  in i2sbus_pcm_pointer()  local
616 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_pcm_pointer()
619 	fc = fc - pi->frame_count;  in i2sbus_pcm_pointer()
621 	if (fc >= pi->substream->runtime->buffer_size)  in i2sbus_pcm_pointer()
622 		fc %= pi->substream->runtime->buffer_size;  in i2sbus_pcm_pointer()
628 	struct pcm_info *pi;  in handle_interrupt()  local
636 	get_pcm_info(i2sdev, in, &pi, NULL);  in handle_interrupt()
637 	if (!pi->dbdma_ring.running && !pi->dbdma_ring.stopping)  in handle_interrupt()
640 	i = pi->current_period;  in handle_interrupt()
641 	runtime = pi->substream->runtime;  in handle_interrupt()
642 	while (pi->dbdma_ring.cmds[i].xfer_status) {  in handle_interrupt()
643 		if (le16_to_cpu(pi->dbdma_ring.cmds[i].xfer_status) & BT)  in handle_interrupt()
650 		pi->dbdma_ring.cmds[i].xfer_status = 0;  in handle_interrupt()
654 			pi->frame_count += runtime->buffer_size;  in handle_interrupt()
656 		pi->current_period = i;  in handle_interrupt()
664 		if (fc < pi->frame_count + nframes)  in handle_interrupt()
665 			pi->frame_count = fc - nframes;  in handle_interrupt()
671 			status = in_le32(&pi->dbdma->status);  in handle_interrupt()
683 		out_le32(&pi->dbdma->control, (RUN | PAUSE | 1) << 16);  in handle_interrupt()
685 		pi->dbdma_ring.stopping = 0;  in handle_interrupt()
686 		if (pi->stop_completion)  in handle_interrupt()
687 			complete(pi->stop_completion);  in handle_interrupt()
690 	if (!pi->dbdma_ring.running)  in handle_interrupt()
694 	snd_pcm_period_elapsed(pi->substream);  in handle_interrupt()