60 static void vx_pcm_read_per_bytes(struct vx_core *chip, struct snd_pcm_runtime *runtime,  in vx_pcm_read_per_bytes()  argument
65 	*buf++ = vx_inb(chip, RXH);  in vx_pcm_read_per_bytes()
70 	*buf++ = vx_inb(chip, RXM);  in vx_pcm_read_per_bytes()
75 	*buf++ = vx_inb(chip, RXL);  in vx_pcm_read_per_bytes()
88 static void vx_set_pcx_time(struct vx_core *chip, pcx_time_t *pc_time,  in vx_set_pcx_time()  argument
105 static int vx_set_differed_time(struct vx_core *chip, struct vx_rmh *rmh,  in vx_set_differed_time()  argument
116 	vx_set_pcx_time(chip, &pipe->pcx_time, &rmh->Cmd[1]);  in vx_set_differed_time()
139 static int vx_set_stream_format(struct vx_core *chip, struct vx_pipe *pipe,  in vx_set_stream_format()  argument
149 	vx_set_differed_time(chip, &rmh, pipe);  in vx_set_stream_format()
155 	return vx_send_msg(chip, &rmh);  in vx_set_stream_format()
166 static int vx_set_format(struct vx_core *chip, struct vx_pipe *pipe,  in vx_set_format()  argument
189 	return vx_set_stream_format(chip, pipe, header);  in vx_set_format()
195 static int vx_set_ibl(struct vx_core *chip, struct vx_ibl_info *info)  in vx_set_ibl()  argument
202 	err = vx_send_msg(chip, &rmh);  in vx_set_ibl()
225 static int vx_get_pipe_state(struct vx_core *chip, struct vx_pipe *pipe, int *state)  in vx_get_pipe_state()  argument
232 	err = vx_send_msg(chip, &rmh);  in vx_get_pipe_state()
250 static int vx_query_hbuffer_size(struct vx_core *chip, struct vx_pipe *pipe)  in vx_query_hbuffer_size()  argument
259 	result = vx_send_msg(chip, &rmh);  in vx_query_hbuffer_size()
274 static int vx_pipe_can_start(struct vx_core *chip, struct vx_pipe *pipe)  in vx_pipe_can_start()  argument
283 	err = vx_send_msg(chip, &rmh);  in vx_pipe_can_start()
295 static int vx_conf_pipe(struct vx_core *chip, struct vx_pipe *pipe)  in vx_conf_pipe()  argument
303 	return vx_send_msg(chip, &rmh);  in vx_conf_pipe()
309 static int vx_send_irqa(struct vx_core *chip)  in vx_send_irqa()  argument
314 	return vx_send_msg(chip, &rmh);  in vx_send_irqa()
334 static int vx_toggle_pipe(struct vx_core *chip, struct vx_pipe *pipe, int state)  in vx_toggle_pipe()  argument
339 	if (vx_get_pipe_state(chip, pipe, &cur_state) < 0)  in vx_toggle_pipe()
350 			err = vx_pipe_can_start(chip, pipe);  in vx_toggle_pipe()
360 	if ((err = vx_conf_pipe(chip, pipe)) < 0)  in vx_toggle_pipe()
363 	if ((err = vx_send_irqa(chip)) < 0)  in vx_toggle_pipe()
371 		err = vx_get_pipe_state(chip, pipe, &cur_state);  in vx_toggle_pipe()
387 static int vx_stop_pipe(struct vx_core *chip, struct vx_pipe *pipe)  in vx_stop_pipe()  argument
392 	return vx_send_msg(chip, &rmh);  in vx_stop_pipe()
405 static int vx_alloc_pipe(struct vx_core *chip, int capture,  in vx_alloc_pipe()  argument
421 	data_mode = (chip->uer_bits & IEC958_AES0_NONAUDIO) != 0;  in vx_alloc_pipe()
424 	err = vx_send_msg(chip, &rmh);  in vx_alloc_pipe()
434 		vx_send_msg(chip, &rmh);  in vx_alloc_pipe()
455 static int vx_free_pipe(struct vx_core *chip, struct vx_pipe *pipe)  in vx_free_pipe()  argument
461 	vx_send_msg(chip, &rmh);  in vx_free_pipe()
473 static int vx_start_stream(struct vx_core *chip, struct vx_pipe *pipe)  in vx_start_stream()  argument
479 	vx_set_differed_time(chip, &rmh, pipe);  in vx_start_stream()
480 	return vx_send_msg(chip, &rmh);  in vx_start_stream()
489 static int vx_stop_stream(struct vx_core *chip, struct vx_pipe *pipe)  in vx_stop_stream()  argument
495 	return vx_send_msg(chip, &rmh);  in vx_stop_stream()
529 	struct vx_core *chip = snd_pcm_substream_chip(subs);  in vx_pcm_playback_open()  local
534 	if (chip->chip_status & VX_STAT_IS_STALE)  in vx_pcm_playback_open()
538 	if (snd_BUG_ON(audio >= chip->audio_outs))  in vx_pcm_playback_open()
542 	pipe = chip->playback_pipes[audio];  in vx_pcm_playback_open()
545 		err = vx_alloc_pipe(chip, 0, audio, 2, &pipe); /* stereo playback */  in vx_pcm_playback_open()
548 		chip->playback_pipes[audio] = pipe;  in vx_pcm_playback_open()
554 	chip->playback_pipes[audio] = pipe;  in vx_pcm_playback_open()
557 	runtime->hw.period_bytes_min = chip->ibl.size;  in vx_pcm_playback_open()
572 	struct vx_core *chip = snd_pcm_substream_chip(subs);  in vx_pcm_playback_close()  local
581 		chip->playback_pipes[pipe->number] = NULL;  in vx_pcm_playback_close()
582 		vx_free_pipe(chip, pipe);  in vx_pcm_playback_close()
596 static int vx_notify_end_of_buffer(struct vx_core *chip, struct vx_pipe *pipe)  in vx_notify_end_of_buffer()  argument
602 	vx_send_rih_nolock(chip, IRQ_PAUSE_START_CONNECT);  in vx_notify_end_of_buffer()
605 	err = vx_send_msg_nolock(chip, &rmh);  in vx_notify_end_of_buffer()
609 	vx_send_rih_nolock(chip, IRQ_PAUSE_START_CONNECT);  in vx_notify_end_of_buffer()
624 static int vx_pcm_playback_transfer_chunk(struct vx_core *chip,  in vx_pcm_playback_transfer_chunk()  argument
630 	space = vx_query_hbuffer_size(chip, pipe);  in vx_pcm_playback_transfer_chunk()
633 		vx_send_rih(chip, IRQ_CONNECT_STREAM_NEXT);  in vx_pcm_playback_transfer_chunk()
638 		vx_send_rih(chip, IRQ_CONNECT_STREAM_NEXT);  in vx_pcm_playback_transfer_chunk()
646 	mutex_lock(&chip->lock);  in vx_pcm_playback_transfer_chunk()
647 	vx_pseudo_dma_write(chip, runtime, pipe, size);  in vx_pcm_playback_transfer_chunk()
648 	err = vx_notify_end_of_buffer(chip, pipe);  in vx_pcm_playback_transfer_chunk()
650 	vx_send_rih_nolock(chip, IRQ_CONNECT_STREAM_NEXT);  in vx_pcm_playback_transfer_chunk()
651 	mutex_unlock(&chip->lock);  in vx_pcm_playback_transfer_chunk()
662 static int vx_update_pipe_position(struct vx_core *chip,  in vx_update_pipe_position()  argument
672 	err = vx_send_msg(chip, &rmh);  in vx_update_pipe_position()
690 static void vx_pcm_playback_transfer(struct vx_core *chip,  in vx_pcm_playback_transfer()  argument
697 	if (! pipe->prepared || (chip->chip_status & VX_STAT_IS_STALE))  in vx_pcm_playback_transfer()
700 		if ((err = vx_pcm_playback_transfer_chunk(chip, runtime, pipe,  in vx_pcm_playback_transfer()
701 							  chip->ibl.size)) < 0)  in vx_pcm_playback_transfer()
710 static void vx_pcm_playback_update(struct vx_core *chip,  in vx_pcm_playback_update()  argument
717 	if (pipe->running && ! (chip->chip_status & VX_STAT_IS_STALE)) {  in vx_pcm_playback_update()
718 		if ((err = vx_update_pipe_position(chip, runtime, pipe)) < 0)  in vx_pcm_playback_update()
732 	struct vx_core *chip = snd_pcm_substream_chip(subs);  in vx_pcm_trigger()  local
736 	if (chip->chip_status & VX_STAT_IS_STALE)  in vx_pcm_trigger()
743 			vx_pcm_playback_transfer(chip, subs, pipe, 2);  in vx_pcm_trigger()
744 		err = vx_start_stream(chip, pipe);  in vx_pcm_trigger()
749 		err = vx_toggle_pipe(chip, pipe, 1);  in vx_pcm_trigger()
752 			vx_stop_stream(chip, pipe);  in vx_pcm_trigger()
755 		chip->pcm_running++;  in vx_pcm_trigger()
760 		vx_toggle_pipe(chip, pipe, 0);  in vx_pcm_trigger()
761 		vx_stop_pipe(chip, pipe);  in vx_pcm_trigger()
762 		vx_stop_stream(chip, pipe);  in vx_pcm_trigger()
763 		chip->pcm_running--;  in vx_pcm_trigger()
767 		if ((err = vx_toggle_pipe(chip, pipe, 0)) < 0)  in vx_pcm_trigger()
771 		if ((err = vx_toggle_pipe(chip, pipe, 1)) < 0)  in vx_pcm_trigger()
813 	struct vx_core *chip = snd_pcm_substream_chip(subs);  in vx_pcm_prepare()  local
819 	if (chip->chip_status & VX_STAT_IS_STALE)  in vx_pcm_prepare()
822 	data_mode = (chip->uer_bits & IEC958_AES0_NONAUDIO) != 0;  in vx_pcm_prepare()
830 		if ((err = vx_send_msg(chip, &rmh)) < 0)  in vx_pcm_prepare()
836 		if ((err = vx_send_msg(chip, &rmh)) < 0)  in vx_pcm_prepare()
841 	if (chip->pcm_running && chip->freq != runtime->rate) {  in vx_pcm_prepare()
843 			   "from the current %d\n", runtime->rate, chip->freq);  in vx_pcm_prepare()
846 	vx_set_clock(chip, runtime->rate);  in vx_pcm_prepare()
848 	if ((err = vx_set_format(chip, pipe, runtime)) < 0)  in vx_pcm_prepare()
851 	if (vx_is_pcmcia(chip)) {  in vx_pcm_prepare()
862 	vx_update_pipe_position(chip, runtime, pipe);  in vx_pcm_prepare()
920 	struct vx_core *chip = snd_pcm_substream_chip(subs);  in vx_pcm_capture_open()  local
926 	if (chip->chip_status & VX_STAT_IS_STALE)  in vx_pcm_capture_open()
930 	if (snd_BUG_ON(audio >= chip->audio_ins))  in vx_pcm_capture_open()
932 	err = vx_alloc_pipe(chip, 1, audio, 2, &pipe);  in vx_pcm_capture_open()
936 	chip->capture_pipes[audio] = pipe;  in vx_pcm_capture_open()
939 	if (chip->audio_monitor_active[audio]) {  in vx_pcm_capture_open()
940 		pipe_out_monitoring = chip->playback_pipes[audio];  in vx_pcm_capture_open()
943 			err = vx_alloc_pipe(chip, 0, audio, 2, &pipe_out_monitoring);  in vx_pcm_capture_open()
946 			chip->playback_pipes[audio] = pipe_out_monitoring;  in vx_pcm_capture_open()
953 		vx_set_monitor_level(chip, audio, chip->audio_monitor[audio],  in vx_pcm_capture_open()
954 				     chip->audio_monitor_active[audio]);  in vx_pcm_capture_open()
956 		vx_set_monitor_level(chip, audio+1, chip->audio_monitor[audio+1],  in vx_pcm_capture_open()
957 				     chip->audio_monitor_active[audio+1]);   in vx_pcm_capture_open()
963 	runtime->hw.period_bytes_min = chip->ibl.size;  in vx_pcm_capture_open()
978 	struct vx_core *chip = snd_pcm_substream_chip(subs);  in vx_pcm_capture_close()  local
985 	chip->capture_pipes[pipe->number] = NULL;  in vx_pcm_capture_close()
995 			vx_free_pipe(chip, pipe_out_monitoring);  in vx_pcm_capture_close()
996 			chip->playback_pipes[pipe->number] = NULL;  in vx_pcm_capture_close()
1001 	vx_free_pipe(chip, pipe);  in vx_pcm_capture_close()
1012 static void vx_pcm_capture_update(struct vx_core *chip, struct snd_pcm_substream *subs,  in vx_pcm_capture_update()  argument
1018 	if (! pipe->prepared || (chip->chip_status & VX_STAT_IS_STALE))  in vx_pcm_capture_update()
1025 	space = vx_query_hbuffer_size(chip, pipe);  in vx_pcm_capture_update()
1042 		if (vx_wait_for_rx_full(chip) < 0)  in vx_pcm_capture_update()
1044 		vx_pcm_read_per_bytes(chip, runtime, pipe);  in vx_pcm_capture_update()
1051 		vx_pseudo_dma_read(chip, runtime, pipe, space);  in vx_pcm_capture_update()
1056 		if (vx_wait_for_rx_full(chip) < 0)  in vx_pcm_capture_update()
1058 		vx_pcm_read_per_bytes(chip, runtime, pipe);  in vx_pcm_capture_update()
1062 	vx_send_rih(chip, IRQ_CONNECT_STREAM_NEXT);  in vx_pcm_capture_update()
1066 		vx_pcm_read_per_bytes(chip, runtime, pipe);  in vx_pcm_capture_update()
1079 	vx_send_rih(chip, IRQ_CONNECT_STREAM_NEXT);  in vx_pcm_capture_update()
1113 void vx_pcm_update_intr(struct vx_core *chip, unsigned int events)  in vx_pcm_update_intr()  argument
1121 		vx_init_rmh(&chip->irq_rmh, CMD_ASYNC);  in vx_pcm_update_intr()
1123 			chip->irq_rmh.Cmd[0] |= 0x00000001;	/* SEL_ASYNC_EVENTS */  in vx_pcm_update_intr()
1125 			chip->irq_rmh.Cmd[0] |= 0x00000002;	/* SEL_END_OF_BUF_EVENTS */  in vx_pcm_update_intr()
1127 		if (vx_send_msg(chip, &chip->irq_rmh) < 0) {  in vx_pcm_update_intr()
1133 		while (i < chip->irq_rmh.LgStat) {  in vx_pcm_update_intr()
1135 			p = chip->irq_rmh.Stat[i] & MASK_FIRST_FIELD;  in vx_pcm_update_intr()
1136 			capture = (chip->irq_rmh.Stat[i] & 0x400000) ? 1 : 0;  in vx_pcm_update_intr()
1137 			eob = (chip->irq_rmh.Stat[i] & 0x800000) ? 1 : 0;  in vx_pcm_update_intr()
1144 					buf = chip->irq_rmh.Stat[i];  in vx_pcm_update_intr()
1149 			if (snd_BUG_ON(p < 0 || p >= chip->audio_outs))  in vx_pcm_update_intr()
1151 			pipe = chip->playback_pipes[p];  in vx_pcm_update_intr()
1153 				vx_pcm_playback_update(chip, pipe->substream, pipe);  in vx_pcm_update_intr()
1154 				vx_pcm_playback_transfer(chip, pipe->substream, pipe, buf);  in vx_pcm_update_intr()
1160 	for (i = 0; i < chip->audio_ins; i++) {  in vx_pcm_update_intr()
1161 		pipe = chip->capture_pipes[i];  in vx_pcm_update_intr()
1163 			vx_pcm_capture_update(chip, pipe->substream, pipe);  in vx_pcm_update_intr()
1171 static int vx_init_audio_io(struct vx_core *chip)  in vx_init_audio_io()  argument
1177 	if (vx_send_msg(chip, &rmh) < 0) {  in vx_init_audio_io()
1182 	chip->audio_outs = rmh.Stat[0] & MASK_FIRST_FIELD;  in vx_init_audio_io()
1183 	chip->audio_ins = (rmh.Stat[0] >> (FIELD_SIZE*2)) & MASK_FIRST_FIELD;  in vx_init_audio_io()
1184 	chip->audio_info = rmh.Stat[1];  in vx_init_audio_io()
1187 	chip->playback_pipes = kcalloc(chip->audio_outs, sizeof(struct vx_pipe *), GFP_KERNEL);  in vx_init_audio_io()
1188 	if (!chip->playback_pipes)  in vx_init_audio_io()
1190 	chip->capture_pipes = kcalloc(chip->audio_ins, sizeof(struct vx_pipe *), GFP_KERNEL);  in vx_init_audio_io()
1191 	if (!chip->capture_pipes) {  in vx_init_audio_io()
1192 		kfree(chip->playback_pipes);  in vx_init_audio_io()
1196 	preferred = chip->ibl.size;  in vx_init_audio_io()
1197 	chip->ibl.size = 0;  in vx_init_audio_io()
1198 	vx_set_ibl(chip, &chip->ibl); /* query the info */  in vx_init_audio_io()
1200 		chip->ibl.size = ((preferred + chip->ibl.granularity - 1) /  in vx_init_audio_io()
1201 				  chip->ibl.granularity) * chip->ibl.granularity;  in vx_init_audio_io()
1202 		if (chip->ibl.size > chip->ibl.max_size)  in vx_init_audio_io()
1203 			chip->ibl.size = chip->ibl.max_size;  in vx_init_audio_io()
1205 		chip->ibl.size = chip->ibl.min_size; /* set to the minimum */  in vx_init_audio_io()
1206 	vx_set_ibl(chip, &chip->ibl);  in vx_init_audio_io()
1217 	struct vx_core *chip = pcm->private_data;  in snd_vx_pcm_free()  local
1218 	chip->pcm[pcm->device] = NULL;  in snd_vx_pcm_free()
1219 	kfree(chip->playback_pipes);  in snd_vx_pcm_free()
1220 	chip->playback_pipes = NULL;  in snd_vx_pcm_free()
1221 	kfree(chip->capture_pipes);  in snd_vx_pcm_free()
1222 	chip->capture_pipes = NULL;  in snd_vx_pcm_free()
1228 int snd_vx_pcm_new(struct vx_core *chip)  in snd_vx_pcm_new()  argument
1234 	if ((err = vx_init_audio_io(chip)) < 0)  in snd_vx_pcm_new()
1237 	for (i = 0; i < chip->hw->num_codecs; i++) {  in snd_vx_pcm_new()
1239 		outs = chip->audio_outs > i * 2 ? 1 : 0;  in snd_vx_pcm_new()
1240 		ins = chip->audio_ins > i * 2 ? 1 : 0;  in snd_vx_pcm_new()
1243 		err = snd_pcm_new(chip->card, "VX PCM", i,  in snd_vx_pcm_new()
1252 		pcm->private_data = chip;  in snd_vx_pcm_new()
1256 		strcpy(pcm->name, chip->card->shortname);  in snd_vx_pcm_new()
1257 		chip->pcm[i] = pcm;  in snd_vx_pcm_new()