Lines Matching defs:dma

107 					 struct cs5535audio_dma *dma,
119 	if (dma->desc_buf.area == NULL) {
123 					&dma->desc_buf) < 0)
125 		dma->period_bytes = dma->periods = 0;
128 	if (dma->periods == periods && dma->period_bytes == period_bytes)
136 			&((struct cs5535audio_dma_desc *) dma->desc_buf.area)[i];
143 	lastdesc = &((struct cs5535audio_dma_desc *) dma->desc_buf.area)[periods];
144 	lastdesc->addr = cpu_to_le32((u32) dma->desc_buf.addr);
147 	jmpprd_addr = (u32)dma->desc_buf.addr +
150 	dma->substream = substream;
151 	dma->period_bytes = period_bytes;
152 	dma->periods = periods;
154 	dma->ops->disable_dma(cs5535au);
155 	dma->ops->setup_prd(cs5535au, jmpprd_addr);
222 					  struct cs5535audio_dma *dma,
225 	snd_dma_free_pages(&dma->desc_buf);
226 	dma->desc_buf.area = NULL;
227 	dma->substream = NULL;
234 	struct cs5535audio_dma *dma = substream->runtime->private_data;
237 	dma->buf_addr = substream->runtime->dma_addr;
238 	dma->buf_bytes = params_buffer_bytes(hw_params);
240 	err = cs5535audio_build_dma_packets(cs5535au, dma, substream,
244 		dma->pcm_open_flag = 1;
252 	struct cs5535audio_dma *dma = substream->runtime->private_data;
254 	if (dma->pcm_open_flag) {
261 		dma->pcm_open_flag = 0;
263 	cs5535audio_clear_dma_packets(cs5535au, dma, substream);
277 	struct cs5535audio_dma *dma = substream->runtime->private_data;
282 		dma->ops->pause_dma(cs5535au);
285 		dma->ops->enable_dma(cs5535au);
288 		dma->ops->enable_dma(cs5535au);
291 		dma->ops->enable_dma(cs5535au);
294 		dma->ops->disable_dma(cs5535au);
297 		dma->ops->disable_dma(cs5535au);
311 	struct cs5535audio_dma *dma;
313 	dma = substream->runtime->private_data;
314 	curdma = dma->ops->read_dma_pntr(cs5535au);
315 	if (curdma < dma->buf_addr) {
317 					curdma, dma->buf_addr);
320 	curdma -= dma->buf_addr;
321 	if (curdma >= dma->buf_bytes) {
323 					curdma, dma->buf_bytes);