27 	struct txx9aclc_dmadata dmadata[2];  member
34 			     struct txx9aclc_dmadata *dmadata);
56 	struct txx9aclc_dmadata *dmadata = runtime->private_data;  in txx9aclc_pcm_hw_params()  local
74 	dmadata->substream = substream;  in txx9aclc_pcm_hw_params()
75 	dmadata->pos = 0;  in txx9aclc_pcm_hw_params()
87 	struct txx9aclc_dmadata *dmadata = runtime->private_data;  in txx9aclc_pcm_prepare()  local
89 	dmadata->dma_addr = runtime->dma_addr;  in txx9aclc_pcm_prepare()
90 	dmadata->buffer_bytes = snd_pcm_lib_buffer_bytes(substream);  in txx9aclc_pcm_prepare()
91 	dmadata->period_bytes = snd_pcm_lib_period_bytes(substream);  in txx9aclc_pcm_prepare()
93 	if (dmadata->buffer_bytes == dmadata->period_bytes) {  in txx9aclc_pcm_prepare()
94 		dmadata->frag_bytes = dmadata->period_bytes >> 1;  in txx9aclc_pcm_prepare()
95 		dmadata->frags = 2;  in txx9aclc_pcm_prepare()
97 		dmadata->frag_bytes = dmadata->period_bytes;  in txx9aclc_pcm_prepare()
98 		dmadata->frags = dmadata->buffer_bytes / dmadata->period_bytes;  in txx9aclc_pcm_prepare()
100 	dmadata->frag_count = 0;  in txx9aclc_pcm_prepare()
101 	dmadata->pos = 0;  in txx9aclc_pcm_prepare()
107 	struct txx9aclc_dmadata *dmadata = arg;  in txx9aclc_dma_complete()  local
111 	spin_lock_irqsave(&dmadata->dma_lock, flags);  in txx9aclc_dma_complete()
112 	if (dmadata->frag_count >= 0) {  in txx9aclc_dma_complete()
113 		dmadata->dmacount--;  in txx9aclc_dma_complete()
114 		if (!WARN_ON(dmadata->dmacount < 0))  in txx9aclc_dma_complete()
115 			tasklet_schedule(&dmadata->tasklet);  in txx9aclc_dma_complete()
117 	spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_dma_complete()
121 txx9aclc_dma_submit(struct txx9aclc_dmadata *dmadata, dma_addr_t buf_dma_addr)  in txx9aclc_dma_submit()  argument
123 	struct dma_chan *chan = dmadata->dma_chan;  in txx9aclc_dma_submit()
129 		    dmadata->frag_bytes, buf_dma_addr & (PAGE_SIZE - 1));  in txx9aclc_dma_submit()
132 		dmadata->substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?  in txx9aclc_dma_submit()
140 	desc->callback_param = dmadata;  in txx9aclc_dma_submit()
149 	struct txx9aclc_dmadata *dmadata = (struct txx9aclc_dmadata *)data;  in txx9aclc_dma_tasklet()  local
150 	struct dma_chan *chan = dmadata->dma_chan;  in txx9aclc_dma_tasklet()
152 	struct snd_pcm_substream *substream = dmadata->substream;  in txx9aclc_dma_tasklet()
158 	spin_lock_irqsave(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
159 	if (dmadata->frag_count < 0) {  in txx9aclc_dma_tasklet()
163 		spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
167 			desc = txx9aclc_dma_submit(dmadata,  in txx9aclc_dma_tasklet()
168 				dmadata->dma_addr + i * dmadata->frag_bytes);  in txx9aclc_dma_tasklet()
172 		dmadata->dmacount = NR_DMA_CHAIN;  in txx9aclc_dma_tasklet()
174 		spin_lock_irqsave(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
176 		dmadata->frag_count = NR_DMA_CHAIN % dmadata->frags;  in txx9aclc_dma_tasklet()
177 		spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
180 	if (WARN_ON(dmadata->dmacount >= NR_DMA_CHAIN)) {  in txx9aclc_dma_tasklet()
181 		spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
184 	while (dmadata->dmacount < NR_DMA_CHAIN) {  in txx9aclc_dma_tasklet()
185 		dmadata->dmacount++;  in txx9aclc_dma_tasklet()
186 		spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
187 		desc = txx9aclc_dma_submit(dmadata,  in txx9aclc_dma_tasklet()
188 			dmadata->dma_addr +  in txx9aclc_dma_tasklet()
189 			dmadata->frag_count * dmadata->frag_bytes);  in txx9aclc_dma_tasklet()
194 		spin_lock_irqsave(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
195 		dmadata->frag_count++;  in txx9aclc_dma_tasklet()
196 		dmadata->frag_count %= dmadata->frags;  in txx9aclc_dma_tasklet()
197 		dmadata->pos += dmadata->frag_bytes;  in txx9aclc_dma_tasklet()
198 		dmadata->pos %= dmadata->buffer_bytes;  in txx9aclc_dma_tasklet()
199 		if ((dmadata->frag_count * dmadata->frag_bytes) %  in txx9aclc_dma_tasklet()
200 		    dmadata->period_bytes == 0)  in txx9aclc_dma_tasklet()
203 	spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_dma_tasklet()
208 	struct txx9aclc_dmadata *dmadata = substream->runtime->private_data;  in txx9aclc_pcm_trigger()  local
216 	spin_lock_irqsave(&dmadata->dma_lock, flags);  in txx9aclc_pcm_trigger()
219 		dmadata->frag_count = -1;  in txx9aclc_pcm_trigger()
220 		tasklet_schedule(&dmadata->tasklet);  in txx9aclc_pcm_trigger()
234 	spin_unlock_irqrestore(&dmadata->dma_lock, flags);  in txx9aclc_pcm_trigger()
241 	struct txx9aclc_dmadata *dmadata = substream->runtime->private_data;  in txx9aclc_pcm_pointer()  local
243 	return bytes_to_frames(substream->runtime, dmadata->pos);  in txx9aclc_pcm_pointer()
249 	struct txx9aclc_dmadata *dmadata = &dev->dmadata[substream->stream];  in txx9aclc_pcm_open()  local
260 	substream->runtime->private_data = dmadata;  in txx9aclc_pcm_open()
266 	struct txx9aclc_dmadata *dmadata = substream->runtime->private_data;  in txx9aclc_pcm_close()  local
267 	struct dma_chan *chan = dmadata->dma_chan;  in txx9aclc_pcm_close()
269 	dmadata->frag_count = -1;  in txx9aclc_pcm_close()
299 	dev->dmadata[0].stream = SNDRV_PCM_STREAM_PLAYBACK;  in txx9aclc_pcm_new()
300 	dev->dmadata[1].stream = SNDRV_PCM_STREAM_CAPTURE;  in txx9aclc_pcm_new()
307 		dev->dmadata[i].dma_res = r;  in txx9aclc_pcm_new()
308 		ret = txx9aclc_dma_init(dev, &dev->dmadata[i]);  in txx9aclc_pcm_new()
317 		if (dev->dmadata[i].dma_chan)  in txx9aclc_pcm_new()
318 			dma_release_channel(dev->dmadata[i].dma_chan);  in txx9aclc_pcm_new()
319 		dev->dmadata[i].dma_chan = NULL;  in txx9aclc_pcm_new()
326 	struct txx9aclc_dmadata *dmadata = param;  in filter()  local
330 	devname = kasprintf(GFP_KERNEL, "%s.%d", dmadata->dma_res->name,  in filter()
331 		(int)dmadata->dma_res->start);  in filter()
333 		chan->private = &dmadata->dma_slave;  in filter()
341 			     struct txx9aclc_dmadata *dmadata)  in txx9aclc_dma_init()  argument
344 	struct txx9dmac_slave *ds = &dmadata->dma_slave;  in txx9aclc_dma_init()
347 	spin_lock_init(&dmadata->dma_lock);  in txx9aclc_dma_init()
350 	if (dmadata->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in txx9aclc_dma_init()
361 	dmadata->dma_chan = dma_request_channel(mask, filter, dmadata);  in txx9aclc_dma_init()
362 	if (!dmadata->dma_chan) {  in txx9aclc_dma_init()
365 			dmadata->stream == SNDRV_PCM_STREAM_PLAYBACK ?  in txx9aclc_dma_init()
369 	tasklet_init(&dmadata->tasklet, txx9aclc_dma_tasklet,  in txx9aclc_dma_init()
370 		     (unsigned long)dmadata);  in txx9aclc_dma_init()
393 		struct txx9aclc_dmadata *dmadata = &dev->dmadata[i];  in txx9aclc_pcm_remove()  local
394 		struct dma_chan *chan = dmadata->dma_chan;  in txx9aclc_pcm_remove()
396 			dmadata->frag_count = -1;  in txx9aclc_pcm_remove()
400 		dev->dmadata[i].dma_chan = NULL;  in txx9aclc_pcm_remove()