soc/atmel/atmel-pcm-pdc.c

77 	struct atmel_pcm_dma_params *params;
92 	struct atmel_pcm_dma_params *params = prtd->params;
97 	if (ssc_sr & params->mask->ssc_endbuf) {
101 				params->name, ssc_sr, count);
104 		ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR,
105 			   params->mask->pdc_disable);
110 		ssc_writex(params->ssc->regs, params->pdc->xpr,
112 		ssc_writex(params->ssc->regs, params->pdc->xcr,
113 			   prtd->period_size / params->pdc_xfer_size);
114 		ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR,
115 			   params->mask->pdc_enable);
118 	if (ssc_sr & params->mask->ssc_endx) {
124 		ssc_writex(params->ssc->regs, params->pdc->xnpr,
126 		ssc_writex(params->ssc->regs, params->pdc->xncr,
127 			   prtd->period_size / params->pdc_xfer_size);
139 			       struct snd_pcm_hw_params *params)
146 	 * with different params */
148 	prtd->params = snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream);
149 	prtd->params->dma_intr_handler = atmel_pcm_dma_irq;
153 	prtd->period_size = params_period_bytes(params);
158 		prtd->params->name,
168 	struct atmel_pcm_dma_params *params = prtd->params;
170 	if (params != NULL) {
171 		ssc_writex(params->ssc->regs, SSC_PDC_PTCR,
172 			   params->mask->pdc_disable);
173 		prtd->params->dma_intr_handler = NULL;
183 	struct atmel_pcm_dma_params *params = prtd->params;
185 	ssc_writex(params->ssc->regs, SSC_IDR,
186 		   params->mask->ssc_endx | params->mask->ssc_endbuf);
187 	ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR,
188 		   params->mask->pdc_disable);
197 	struct atmel_pcm_dma_params *params = prtd->params;
208 		ssc_writex(params->ssc->regs, params->pdc->xpr,
210 		ssc_writex(params->ssc->regs, params->pdc->xcr,
211 			   prtd->period_size / params->pdc_xfer_size);
214 		ssc_writex(params->ssc->regs, params->pdc->xnpr,
216 		ssc_writex(params->ssc->regs, params->pdc->xncr,
217 			   prtd->period_size / params->pdc_xfer_size);
223 			ssc_readx(params->ssc->regs, params->pdc->xpr),
224 			ssc_readx(params->ssc->regs, params->pdc->xcr),
225 			ssc_readx(params->ssc->regs, params->pdc->xnpr),
226 			ssc_readx(params->ssc->regs, params->pdc->xncr));
228 		ssc_writex(params->ssc->regs, SSC_IER,
229 			   params->mask->ssc_endx | params->mask->ssc_endbuf);
230 		ssc_writex(params->ssc->regs, SSC_PDC_PTCR,
231 			   params->mask->pdc_enable);
234 			ssc_readx(params->ssc->regs, SSC_SR),
235 			ssc_readx(params->ssc->regs, SSC_IER));
241 		ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR,
242 			   params->mask->pdc_disable);
247 		ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR,
248 			   params->mask->pdc_enable);
263 	struct atmel_pcm_dma_params *params = prtd->params;
267 	ptr = (dma_addr_t) ssc_readx(params->ssc->regs, params->pdc->xpr);