29 	struct txx9aclc_dmadata dmadata[2];  member
36 			     struct txx9aclc_dmadata *dmadata);
59 	struct txx9aclc_dmadata *dmadata = runtime->private_data;  in txx9aclc_pcm_hw_params()  local
77 	dmadata->substream = substream;  in txx9aclc_pcm_hw_params()
78 	dmadata->pos = 0;  in txx9aclc_pcm_hw_params()
90 	struct txx9aclc_dmadata *dmadata = runtime->private_data;  in txx9aclc_pcm_prepare()  local
92 	dmadata->dma_addr = runtime->dma_addr;  in txx9aclc_pcm_prepare()
93 	dmadata->buffer_bytes = snd_pcm_lib_buffer_bytes(substream);  in txx9aclc_pcm_prepare()
94 	dmadata->period_bytes = snd_pcm_lib_period_bytes(substream);  in txx9aclc_pcm_prepare()
96 	if (dmadata->buffer_bytes == dmadata->period_bytes) {  in txx9aclc_pcm_prepare()
97 		dmadata->frag_bytes = dmadata->period_bytes >> 1;  in txx9aclc_pcm_prepare()
98 		dmadata->frags = 2;  in txx9aclc_pcm_prepare()
100 		dmadata->frag_bytes = dmadata->period_bytes;  in txx9aclc_pcm_prepare()
101 		dmadata->frags = dmadata->buffer_bytes / dmadata->period_bytes;  in txx9aclc_pcm_prepare()
103 	dmadata->frag_count = 0;  in txx9aclc_pcm_prepare()
104 	dmadata->pos = 0;  in txx9aclc_pcm_prepare()
110 	struct txx9aclc_dmadata *dmadata = arg;  in txx9aclc_dma_complete()  local
114 	spin_lock_irqsave(&dmadata->dma_lock, flags);  in txx9aclc_dma_complete()
115 	if (dmadata->frag_count >= 0) {  in txx9aclc_dma_complete()
116 		dmadata->dmacount--;  in txx9aclc_dma_complete()
117 		if (!WARN_ON(dmadata->dmacount < 0))  in txx9aclc_dma_complete()
118 			tasklet_schedule(&dmadata->tasklet);  in txx9aclc_dma_complete()
120 	spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_dma_complete()
124 txx9aclc_dma_submit(struct txx9aclc_dmadata *dmadata, dma_addr_t buf_dma_addr)  in txx9aclc_dma_submit()  argument
126 	struct dma_chan *chan = dmadata->dma_chan;  in txx9aclc_dma_submit()
132 		    dmadata->frag_bytes, buf_dma_addr & (PAGE_SIZE - 1));  in txx9aclc_dma_submit()
135 		dmadata->substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?  in txx9aclc_dma_submit()
143 	desc->callback_param = dmadata;  in txx9aclc_dma_submit()
152 	struct txx9aclc_dmadata *dmadata = (struct txx9aclc_dmadata *)data;  in txx9aclc_dma_tasklet()  local
153 	struct dma_chan *chan = dmadata->dma_chan;  in txx9aclc_dma_tasklet()
155 	struct snd_pcm_substream *substream = dmadata->substream;  in txx9aclc_dma_tasklet()
161 	spin_lock_irqsave(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
162 	if (dmadata->frag_count < 0) {  in txx9aclc_dma_tasklet()
166 		spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
170 			desc = txx9aclc_dma_submit(dmadata,  in txx9aclc_dma_tasklet()
171 				dmadata->dma_addr + i * dmadata->frag_bytes);  in txx9aclc_dma_tasklet()
175 		dmadata->dmacount = NR_DMA_CHAIN;  in txx9aclc_dma_tasklet()
177 		spin_lock_irqsave(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
179 		dmadata->frag_count = NR_DMA_CHAIN % dmadata->frags;  in txx9aclc_dma_tasklet()
180 		spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
183 	if (WARN_ON(dmadata->dmacount >= NR_DMA_CHAIN)) {  in txx9aclc_dma_tasklet()
184 		spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
187 	while (dmadata->dmacount < NR_DMA_CHAIN) {  in txx9aclc_dma_tasklet()
188 		dmadata->dmacount++;  in txx9aclc_dma_tasklet()
189 		spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
190 		desc = txx9aclc_dma_submit(dmadata,  in txx9aclc_dma_tasklet()
191 			dmadata->dma_addr +  in txx9aclc_dma_tasklet()
192 			dmadata->frag_count * dmadata->frag_bytes);  in txx9aclc_dma_tasklet()
197 		spin_lock_irqsave(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
198 		dmadata->frag_count++;  in txx9aclc_dma_tasklet()
199 		dmadata->frag_count %= dmadata->frags;  in txx9aclc_dma_tasklet()
200 		dmadata->pos += dmadata->frag_bytes;  in txx9aclc_dma_tasklet()
201 		dmadata->pos %= dmadata->buffer_bytes;  in txx9aclc_dma_tasklet()
202 		if ((dmadata->frag_count * dmadata->frag_bytes) %  in txx9aclc_dma_tasklet()
203 		    dmadata->period_bytes == 0)  in txx9aclc_dma_tasklet()
206 	spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
211 	struct txx9aclc_dmadata *dmadata = substream->runtime->private_data;  in txx9aclc_pcm_trigger()  local
219 	spin_lock_irqsave(&dmadata->dma_lock, flags);  in txx9aclc_pcm_trigger()
222 		dmadata->frag_count = -1;  in txx9aclc_pcm_trigger()
223 		tasklet_schedule(&dmadata->tasklet);  in txx9aclc_pcm_trigger()
237 	spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_pcm_trigger()
244 	struct txx9aclc_dmadata *dmadata = substream->runtime->private_data;  in txx9aclc_pcm_pointer()  local
246 	return bytes_to_frames(substream->runtime, dmadata->pos);  in txx9aclc_pcm_pointer()
252 	struct txx9aclc_dmadata *dmadata = &dev->dmadata[substream->stream];  in txx9aclc_pcm_open()  local
263 	substream->runtime->private_data = dmadata;  in txx9aclc_pcm_open()
269 	struct txx9aclc_dmadata *dmadata = substream->runtime->private_data;  in txx9aclc_pcm_close()  local
270 	struct dma_chan *chan = dmadata->dma_chan;  in txx9aclc_pcm_close()
272 	dmadata->frag_count = -1;  in txx9aclc_pcm_close()
303 	dev->dmadata[0].stream = SNDRV_PCM_STREAM_PLAYBACK;  in txx9aclc_pcm_new()
304 	dev->dmadata[1].stream = SNDRV_PCM_STREAM_CAPTURE;  in txx9aclc_pcm_new()
311 		dev->dmadata[i].dma_res = r;  in txx9aclc_pcm_new()
312 		ret = txx9aclc_dma_init(dev, &dev->dmadata[i]);  in txx9aclc_pcm_new()
321 		if (dev->dmadata[i].dma_chan)  in txx9aclc_pcm_new()
322 			dma_release_channel(dev->dmadata[i].dma_chan);  in txx9aclc_pcm_new()
323 		dev->dmadata[i].dma_chan = NULL;  in txx9aclc_pcm_new()
330 	struct txx9aclc_dmadata *dmadata = param;  in filter()  local
334 	devname = kasprintf(GFP_KERNEL, "%s.%d", dmadata->dma_res->name,  in filter()
335 		(int)dmadata->dma_res->start);  in filter()
337 		chan->private = &dmadata->dma_slave;  in filter()
345 			     struct txx9aclc_dmadata *dmadata)  in txx9aclc_dma_init()  argument
348 	struct txx9dmac_slave *ds = &dmadata->dma_slave;  in txx9aclc_dma_init()
351 	spin_lock_init(&dmadata->dma_lock);  in txx9aclc_dma_init()
354 	if (dmadata->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in txx9aclc_dma_init()
365 	dmadata->dma_chan = dma_request_channel(mask, filter, dmadata);  in txx9aclc_dma_init()
366 	if (!dmadata->dma_chan) {  in txx9aclc_dma_init()
369 			dmadata->stream == SNDRV_PCM_STREAM_PLAYBACK ?  in txx9aclc_dma_init()
373 	tasklet_init(&dmadata->tasklet, txx9aclc_dma_tasklet,  in txx9aclc_dma_init()
374 		     (unsigned long)dmadata);  in txx9aclc_dma_init()
397 		struct txx9aclc_dmadata *dmadata = &dev->dmadata[i];  in txx9aclc_pcm_remove()  local
398 		struct dma_chan *chan = dmadata->dma_chan;  in txx9aclc_pcm_remove()
401 			dmadata->frag_count = -1;  in txx9aclc_pcm_remove()
405 		dev->dmadata[i].dma_chan = NULL;  in txx9aclc_pcm_remove()