51 	struct gus_pcm_private *pcmp = private_data;  in snd_gf1_pcm_block_change_ack()  local
53 	if (pcmp) {  in snd_gf1_pcm_block_change_ack()
54 		atomic_dec(&pcmp->dma_count);  in snd_gf1_pcm_block_change_ack()
55 		wake_up(&pcmp->sleep);  in snd_gf1_pcm_block_change_ack()
66 	struct gus_pcm_private *pcmp = runtime->private_data;  in snd_gf1_pcm_block_change()  local
84 	block.private_data = pcmp;  in snd_gf1_pcm_block_change()
86 	if (!snd_gf1_dma_transfer_block(pcmp->gus, &block, 0, 0))  in snd_gf1_pcm_block_change()
87 		atomic_inc(&pcmp->dma_count);  in snd_gf1_pcm_block_change()
94 	struct gus_pcm_private *pcmp = runtime->private_data;  in snd_gf1_pcm_trigger_up()  local
95 	struct snd_gus_card * gus = pcmp->gus;  in snd_gf1_pcm_trigger_up()
104 	spin_lock_irqsave(&pcmp->lock, flags);  in snd_gf1_pcm_trigger_up()
105 	if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) {  in snd_gf1_pcm_trigger_up()
106 		spin_unlock_irqrestore(&pcmp->lock, flags);  in snd_gf1_pcm_trigger_up()
109 	pcmp->flags |= SNDRV_GF1_PCM_PFLG_ACTIVE;  in snd_gf1_pcm_trigger_up()
110 	pcmp->final_volume = 0;  in snd_gf1_pcm_trigger_up()
111 	spin_unlock_irqrestore(&pcmp->lock, flags);  in snd_gf1_pcm_trigger_up()
117 	if (pcmp->blocks == 1) {  in snd_gf1_pcm_trigger_up()
121 	for (voice = 0; voice < pcmp->voices; voice++) {  in snd_gf1_pcm_trigger_up()
122 		begin = pcmp->memory + voice * (pcmp->dma_size / runtime->channels);  in snd_gf1_pcm_trigger_up()
123 		curr = begin + (pcmp->bpos * pcmp->block_size) / runtime->channels;  in snd_gf1_pcm_trigger_up()
124 		end = curr + (pcmp->block_size / runtime->channels);  in snd_gf1_pcm_trigger_up()
134 		snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number);  in snd_gf1_pcm_trigger_up()
152 	for (voice = 0; voice < pcmp->voices; voice++) {  in snd_gf1_pcm_trigger_up()
153 		snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number);  in snd_gf1_pcm_trigger_up()
162 		for (voice = 0; voice < pcmp->voices; voice++) {  in snd_gf1_pcm_trigger_up()
163 			snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number);  in snd_gf1_pcm_trigger_up()
174 	struct gus_pcm_private * pcmp;  in snd_gf1_pcm_interrupt_wave()  local
185 	pcmp = pvoice->private_data;  in snd_gf1_pcm_interrupt_wave()
186 	if (pcmp == NULL) {  in snd_gf1_pcm_interrupt_wave()
191 	gus = pcmp->gus;  in snd_gf1_pcm_interrupt_wave()
192 	runtime = pcmp->substream->runtime;  in snd_gf1_pcm_interrupt_wave()
202 	snd_gf1_select_voice(gus, pcmp->pvoices[1]->number);  in snd_gf1_pcm_interrupt_wave()
207 	pcmp->bpos++;  in snd_gf1_pcm_interrupt_wave()
208 	pcmp->bpos %= pcmp->blocks;  in snd_gf1_pcm_interrupt_wave()
209 	if (pcmp->bpos + 1 >= pcmp->blocks) {	/* last block? */  in snd_gf1_pcm_interrupt_wave()
214 	end = pcmp->memory + (((pcmp->bpos + 1) * pcmp->block_size) / runtime->channels);  in snd_gf1_pcm_interrupt_wave()
216 	step = pcmp->dma_size / runtime->channels;  in snd_gf1_pcm_interrupt_wave()
218 	if (!pcmp->final_volume) {  in snd_gf1_pcm_interrupt_wave()
222 	for (idx = 0; idx < pcmp->voices; idx++, end += step) {  in snd_gf1_pcm_interrupt_wave()
223 		snd_gf1_select_voice(gus, pcmp->pvoices[idx]->number);  in snd_gf1_pcm_interrupt_wave()
232 		for (idx = 0; idx < pcmp->voices; idx++) {  in snd_gf1_pcm_interrupt_wave()
233 			snd_gf1_select_voice(gus, pcmp->pvoices[idx]->number);  in snd_gf1_pcm_interrupt_wave()
241 	snd_pcm_period_elapsed(pcmp->substream);  in snd_gf1_pcm_interrupt_wave()
245 		end = pcmp->bpos * pcmp->block_size;  in snd_gf1_pcm_interrupt_wave()
247 			snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + (end / 2), pcmp->block_size / 2);  in snd_gf1_pcm_interrupt_wave()
248 …snd_gf1_pcm_block_change(pcmp->substream, end + (pcmp->block_size / 2), pcmp->memory + (pcmp->dma_…  in snd_gf1_pcm_interrupt_wave()
250 			snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + end, pcmp->block_size);  in snd_gf1_pcm_interrupt_wave()
261 	struct gus_pcm_private *pcmp = pvoice->private_data;  in snd_gf1_pcm_interrupt_volume()  local
268 	if (pcmp == NULL)  in snd_gf1_pcm_interrupt_volume()
271 	if (!(pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE))  in snd_gf1_pcm_interrupt_volume()
274 	cvoice = pcmp->pvoices[0] == pvoice ? 0 : 1;  in snd_gf1_pcm_interrupt_volume()
275 	if (pcmp->substream == NULL)  in snd_gf1_pcm_interrupt_volume()
281 	pcmp->final_volume = 1;  in snd_gf1_pcm_interrupt_volume()
341 static int get_bpos(struct gus_pcm_private *pcmp, int voice, unsigned int pos,  in get_bpos()  argument
344 	unsigned int bpos = pos + (voice * (pcmp->dma_size / 2));  in get_bpos()
345 	if (snd_BUG_ON(bpos > pcmp->dma_size))  in get_bpos()
347 	if (snd_BUG_ON(bpos + len > pcmp->dma_size))  in get_bpos()
356 	struct gus_pcm_private *pcmp = runtime->private_data;  in playback_copy_ack()  local
357 	struct snd_gus_card *gus = pcmp->gus;  in playback_copy_ack()
362 						pcmp->memory + bpos, len);  in playback_copy_ack()
367 				      pcmp->memory + bpos, len, w16, invert);  in playback_copy_ack()
375 	struct gus_pcm_private *pcmp = runtime->private_data;  in snd_gf1_pcm_playback_copy()  local
379 	bpos = get_bpos(pcmp, voice, pos, len);  in snd_gf1_pcm_playback_copy()
392 	struct gus_pcm_private *pcmp = runtime->private_data;  in snd_gf1_pcm_playback_silence()  local
396 	bpos = get_bpos(pcmp, voice, pos, len);  in snd_gf1_pcm_playback_silence()
409 	struct gus_pcm_private *pcmp = runtime->private_data;  in snd_gf1_pcm_playback_hw_params()  local
413 		if (pcmp->memory > 0) {  in snd_gf1_pcm_playback_hw_params()
414 			snd_gf1_mem_free(&gus->gf1.mem_alloc, pcmp->memory);  in snd_gf1_pcm_playback_hw_params()
415 			pcmp->memory = 0;  in snd_gf1_pcm_playback_hw_params()
424 		pcmp->memory = block->ptr;  in snd_gf1_pcm_playback_hw_params()
426 	pcmp->voices = params_channels(hw_params);  in snd_gf1_pcm_playback_hw_params()
427 	if (pcmp->pvoices[0] == NULL) {  in snd_gf1_pcm_playback_hw_params()
428 		pcmp->pvoices[0] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0);  in snd_gf1_pcm_playback_hw_params()
429 		if (!pcmp->pvoices[0])  in snd_gf1_pcm_playback_hw_params()
431 		pcmp->pvoices[0]->handler_wave = snd_gf1_pcm_interrupt_wave;  in snd_gf1_pcm_playback_hw_params()
432 		pcmp->pvoices[0]->handler_volume = snd_gf1_pcm_interrupt_volume;  in snd_gf1_pcm_playback_hw_params()
433 		pcmp->pvoices[0]->volume_change = snd_gf1_pcm_volume_change;  in snd_gf1_pcm_playback_hw_params()
434 		pcmp->pvoices[0]->private_data = pcmp;  in snd_gf1_pcm_playback_hw_params()
436 	if (pcmp->voices > 1 && pcmp->pvoices[1] == NULL) {  in snd_gf1_pcm_playback_hw_params()
437 		pcmp->pvoices[1] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0);  in snd_gf1_pcm_playback_hw_params()
438 		if (!pcmp->pvoices[1])  in snd_gf1_pcm_playback_hw_params()
440 		pcmp->pvoices[1]->handler_wave = snd_gf1_pcm_interrupt_wave;  in snd_gf1_pcm_playback_hw_params()
441 		pcmp->pvoices[1]->handler_volume = snd_gf1_pcm_interrupt_volume;  in snd_gf1_pcm_playback_hw_params()
442 		pcmp->pvoices[1]->volume_change = snd_gf1_pcm_volume_change;  in snd_gf1_pcm_playback_hw_params()
443 		pcmp->pvoices[1]->private_data = pcmp;  in snd_gf1_pcm_playback_hw_params()
444 	} else if (pcmp->voices == 1) {  in snd_gf1_pcm_playback_hw_params()
445 		if (pcmp->pvoices[1]) {  in snd_gf1_pcm_playback_hw_params()
446 			snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[1]);  in snd_gf1_pcm_playback_hw_params()
447 			pcmp->pvoices[1] = NULL;  in snd_gf1_pcm_playback_hw_params()
456 	struct gus_pcm_private *pcmp = runtime->private_data;  in snd_gf1_pcm_playback_hw_free()  local
458 	if (pcmp->pvoices[0]) {  in snd_gf1_pcm_playback_hw_free()
459 		snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[0]);  in snd_gf1_pcm_playback_hw_free()
460 		pcmp->pvoices[0] = NULL;  in snd_gf1_pcm_playback_hw_free()
462 	if (pcmp->pvoices[1]) {  in snd_gf1_pcm_playback_hw_free()
463 		snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[1]);  in snd_gf1_pcm_playback_hw_free()
464 		pcmp->pvoices[1] = NULL;  in snd_gf1_pcm_playback_hw_free()
466 	if (pcmp->memory > 0) {  in snd_gf1_pcm_playback_hw_free()
467 		snd_gf1_mem_free(&pcmp->gus->gf1.mem_alloc, pcmp->memory);  in snd_gf1_pcm_playback_hw_free()
468 		pcmp->memory = 0;  in snd_gf1_pcm_playback_hw_free()
476 	struct gus_pcm_private *pcmp = runtime->private_data;  in snd_gf1_pcm_playback_prepare()  local
478 	pcmp->bpos = 0;  in snd_gf1_pcm_playback_prepare()
479 	pcmp->dma_size = snd_pcm_lib_buffer_bytes(substream);  in snd_gf1_pcm_playback_prepare()
480 	pcmp->block_size = snd_pcm_lib_period_bytes(substream);  in snd_gf1_pcm_playback_prepare()
481 	pcmp->blocks = pcmp->dma_size / pcmp->block_size;  in snd_gf1_pcm_playback_prepare()
490 	struct gus_pcm_private *pcmp = runtime->private_data;  in snd_gf1_pcm_playback_trigger()  local
496 		spin_lock(&pcmp->lock);  in snd_gf1_pcm_playback_trigger()
497 		pcmp->flags &= ~SNDRV_GF1_PCM_PFLG_ACTIVE;  in snd_gf1_pcm_playback_trigger()
498 		spin_unlock(&pcmp->lock);  in snd_gf1_pcm_playback_trigger()
499 		voice = pcmp->pvoices[0]->number;  in snd_gf1_pcm_playback_trigger()
501 		if (pcmp->pvoices[1]) {  in snd_gf1_pcm_playback_trigger()
502 			voice = pcmp->pvoices[1]->number;  in snd_gf1_pcm_playback_trigger()
515 	struct gus_pcm_private *pcmp = runtime->private_data;  in snd_gf1_pcm_playback_pointer()  local
521 	if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) {  in snd_gf1_pcm_playback_pointer()
522 		snd_gf1_select_voice(gus, pcmp->pvoices[0]->number);  in snd_gf1_pcm_playback_pointer()
524 		pos = (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4) - pcmp->memory;  in snd_gf1_pcm_playback_pointer()
659 	struct gus_pcm_private *pcmp;  in snd_gf1_pcm_playback_open()  local
664 	pcmp = kzalloc(sizeof(*pcmp), GFP_KERNEL);  in snd_gf1_pcm_playback_open()
665 	if (pcmp == NULL)  in snd_gf1_pcm_playback_open()
667 	pcmp->gus = gus;  in snd_gf1_pcm_playback_open()
668 	spin_lock_init(&pcmp->lock);  in snd_gf1_pcm_playback_open()
669 	init_waitqueue_head(&pcmp->sleep);  in snd_gf1_pcm_playback_open()
670 	atomic_set(&pcmp->dma_count, 0);  in snd_gf1_pcm_playback_open()
672 	runtime->private_data = pcmp;  in snd_gf1_pcm_playback_open()
682 	pcmp->flags = SNDRV_GF1_PCM_PFLG_NONE;  in snd_gf1_pcm_playback_open()
683 	pcmp->substream = substream;  in snd_gf1_pcm_playback_open()
695 	struct gus_pcm_private *pcmp = runtime->private_data;  in snd_gf1_pcm_playback_close()  local
697 	if (!wait_event_timeout(pcmp->sleep, (atomic_read(&pcmp->dma_count) <= 0), 2*HZ))  in snd_gf1_pcm_playback_close()
756 	struct gus_pcm_private *pcmp;  in snd_gf1_pcm_volume_put()  local
775 		pcmp = pvoice->private_data;  in snd_gf1_pcm_volume_put()
776 		if (!(pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE))  in snd_gf1_pcm_volume_put()
782 …vol = pvoice == pcmp->pvoices[0] ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_righ…  in snd_gf1_pcm_volume_put()
784 		pcmp->final_volume = 1;  in snd_gf1_pcm_volume_put()