20 				struct pcm_info **pi, struct pcm_info **other)  in get_pcm_info()  argument
23 		if (pi)  in get_pcm_info()
24 			*pi = &i2sdev->in;  in get_pcm_info()
28 		if (pi)  in get_pcm_info()
29 			*pi = &i2sdev->out;  in get_pcm_info()
75 	struct pcm_info *pi, *other;  in i2sbus_pcm_open()  local
89 	get_pcm_info(i2sdev, in, &pi, &other);  in i2sbus_pcm_open()
91 	hw = &pi->substream->runtime->hw;  in i2sbus_pcm_open()
94 	if (pi->active) {  in i2sbus_pcm_open()
196 	err = snd_pcm_hw_constraint_integer(pi->substream->runtime,  in i2sbus_pcm_open()
204 			err = cii->codec->open(cii, pi->substream);  in i2sbus_pcm_open()
213 								pi->substream);  in i2sbus_pcm_open()
233 	struct pcm_info *pi;  in i2sbus_pcm_close()  local
238 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_pcm_close()
242 			tmp = cii->codec->close(cii, pi->substream);  in i2sbus_pcm_close()
248 	pi->substream = NULL;  in i2sbus_pcm_close()
249 	pi->active = 0;  in i2sbus_pcm_close()
255 				 struct pcm_info *pi)  in i2sbus_wait_for_stop()  argument
262 	if (pi->dbdma_ring.stopping) {  in i2sbus_wait_for_stop()
264 		pi->stop_completion = &done;  in i2sbus_wait_for_stop()
268 		pi->stop_completion = NULL;  in i2sbus_wait_for_stop()
273 			out_le32(&pi->dbdma->control, (RUN | PAUSE | 1) << 16);  in i2sbus_wait_for_stop()
274 			pi->dbdma_ring.stopping = 0;  in i2sbus_wait_for_stop()
276 			while (in_le32(&pi->dbdma->status) & ACTIVE) {  in i2sbus_wait_for_stop()
289 	struct pcm_info *pi;  in i2sbus_wait_for_stop_both()  local
291 	get_pcm_info(i2sdev, 0, &pi, NULL);  in i2sbus_wait_for_stop_both()
292 	i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_wait_for_stop_both()
293 	get_pcm_info(i2sdev, 1, &pi, NULL);  in i2sbus_wait_for_stop_both()
294 	i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_wait_for_stop_both()
307 	struct pcm_info *pi;  in i2sbus_hw_free()  local
309 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_hw_free()
310 	if (pi->dbdma_ring.stopping)  in i2sbus_hw_free()
311 		i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_hw_free()
340 	struct pcm_info *pi, *other;  in i2sbus_pcm_prepare()  local
347 	get_pcm_info(i2sdev, in, &pi, &other);  in i2sbus_pcm_prepare()
349 	if (pi->dbdma_ring.running) {  in i2sbus_pcm_prepare()
353 	if (pi->dbdma_ring.stopping)  in i2sbus_pcm_prepare()
354 		i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_pcm_prepare()
356 	if (!pi->substream || !pi->substream->runtime) {  in i2sbus_pcm_prepare()
361 	runtime = pi->substream->runtime;  in i2sbus_pcm_prepare()
362 	pi->active = 1;  in i2sbus_pcm_prepare()
373 	periodsize = snd_pcm_lib_period_bytes(pi->substream);  in i2sbus_pcm_prepare()
374 	nperiods = pi->substream->runtime->periods;  in i2sbus_pcm_prepare()
375 	pi->current_period = 0;  in i2sbus_pcm_prepare()
378 	command = pi->dbdma_ring.cmds;  in i2sbus_pcm_prepare()
395 	stopaddr = pi->dbdma_ring.bus_cmd_start +  in i2sbus_pcm_prepare()
406 	command->cmd_dep = cpu_to_le32(pi->dbdma_ring.bus_cmd_start);  in i2sbus_pcm_prepare()
468 			err = cii->codec->prepare(cii, &bi, pi->substream);  in i2sbus_pcm_prepare()
542 	struct pcm_info *pi;  in i2sbus_pcm_trigger()  local
548 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_pcm_trigger()
553 		if (pi->dbdma_ring.running) {  in i2sbus_pcm_trigger()
559 				cii->codec->start(cii, pi->substream);  in i2sbus_pcm_trigger()
560 		pi->dbdma_ring.running = 1;  in i2sbus_pcm_trigger()
562 		if (pi->dbdma_ring.stopping) {  in i2sbus_pcm_trigger()
564 			out_le32(&pi->dbdma->control, 1 << 16);  in i2sbus_pcm_trigger()
565 			if (in_le32(&pi->dbdma->status) & ACTIVE) {  in i2sbus_pcm_trigger()
568 				if (in_le32(&pi->dbdma->status) & ACTIVE) {  in i2sbus_pcm_trigger()
569 					pi->dbdma_ring.stopping = 0;  in i2sbus_pcm_trigger()
576 		out_le32(&pi->dbdma->control, (RUN | PAUSE | 1) << 16);  in i2sbus_pcm_trigger()
579 		out_le32(&pi->dbdma->br_sel, (1 << 16) | 1);  in i2sbus_pcm_trigger()
582 		out_le32(&pi->dbdma->cmdptr, pi->dbdma_ring.bus_cmd_start);  in i2sbus_pcm_trigger()
585 		pi->current_period = 0;  in i2sbus_pcm_trigger()
586 		pi->frame_count = in_le32(&i2sdev->intfregs->frame_count);  in i2sbus_pcm_trigger()
589 		out_le32(&pi->dbdma->control, (RUN << 16) | RUN);  in i2sbus_pcm_trigger()
596 		if (!pi->dbdma_ring.running) {  in i2sbus_pcm_trigger()
600 		pi->dbdma_ring.running = 0;  in i2sbus_pcm_trigger()
603 		out_le32(&pi->dbdma->control, (1 << 16) | 1);  in i2sbus_pcm_trigger()
604 		pi->dbdma_ring.stopping = 1;  in i2sbus_pcm_trigger()
608 				cii->codec->stop(cii, pi->substream);  in i2sbus_pcm_trigger()
622 	struct pcm_info *pi;  in i2sbus_pcm_pointer()  local
625 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_pcm_pointer()
628 	fc = fc - pi->frame_count;  in i2sbus_pcm_pointer()
630 	if (fc >= pi->substream->runtime->buffer_size)  in i2sbus_pcm_pointer()
631 		fc %= pi->substream->runtime->buffer_size;  in i2sbus_pcm_pointer()
637 	struct pcm_info *pi;  in handle_interrupt()  local
645 	get_pcm_info(i2sdev, in, &pi, NULL);  in handle_interrupt()
646 	if (!pi->dbdma_ring.running && !pi->dbdma_ring.stopping)  in handle_interrupt()
649 	i = pi->current_period;  in handle_interrupt()
650 	runtime = pi->substream->runtime;  in handle_interrupt()
651 	while (pi->dbdma_ring.cmds[i].xfer_status) {  in handle_interrupt()
652 		if (le16_to_cpu(pi->dbdma_ring.cmds[i].xfer_status) & BT)  in handle_interrupt()
659 		pi->dbdma_ring.cmds[i].xfer_status = 0;  in handle_interrupt()
663 			pi->frame_count += runtime->buffer_size;  in handle_interrupt()
665 		pi->current_period = i;  in handle_interrupt()
673 		if (fc < pi->frame_count + nframes)  in handle_interrupt()
674 			pi->frame_count = fc - nframes;  in handle_interrupt()
680 			status = in_le32(&pi->dbdma->status);  in handle_interrupt()
692 		out_le32(&pi->dbdma->control, (RUN | PAUSE | 1) << 16);  in handle_interrupt()
694 		pi->dbdma_ring.stopping = 0;  in handle_interrupt()
695 		if (pi->stop_completion)  in handle_interrupt()
696 			complete(pi->stop_completion);  in handle_interrupt()
699 	if (!pi->dbdma_ring.running)  in handle_interrupt()
703 	snd_pcm_period_elapsed(pi->substream);  in handle_interrupt()