134 static void au1x_pcm_dbdma_free(struct au1xpsc_audio_dmadata *pcd)  in au1x_pcm_dbdma_free()  argument
136 	if (pcd->ddma_chan) {  in au1x_pcm_dbdma_free()
137 		au1xxx_dbdma_stop(pcd->ddma_chan);  in au1x_pcm_dbdma_free()
138 		au1xxx_dbdma_reset(pcd->ddma_chan);  in au1x_pcm_dbdma_free()
139 		au1xxx_dbdma_chan_free(pcd->ddma_chan);  in au1x_pcm_dbdma_free()
140 		pcd->ddma_chan = 0;  in au1x_pcm_dbdma_free()
141 		pcd->msbits = 0;  in au1x_pcm_dbdma_free()
150 static int au1x_pcm_dbdma_realloc(struct au1xpsc_audio_dmadata *pcd,  in au1x_pcm_dbdma_realloc()  argument
158 	if ((pcd->ddma_chan) && (msbits == pcd->msbits))  in au1x_pcm_dbdma_realloc()
161 	au1x_pcm_dbdma_free(pcd);  in au1x_pcm_dbdma_realloc()
164 		pcd->ddma_chan = au1xxx_dbdma_chan_alloc(pcd->ddma_id,  in au1x_pcm_dbdma_realloc()
166 					au1x_pcm_dmarx_cb, (void *)pcd);  in au1x_pcm_dbdma_realloc()
168 		pcd->ddma_chan = au1xxx_dbdma_chan_alloc(DSCR_CMD0_ALWAYS,  in au1x_pcm_dbdma_realloc()
169 					pcd->ddma_id,  in au1x_pcm_dbdma_realloc()
170 					au1x_pcm_dmatx_cb, (void *)pcd);  in au1x_pcm_dbdma_realloc()
172 	if (!pcd->ddma_chan)  in au1x_pcm_dbdma_realloc()
175 	au1xxx_dbdma_set_devwidth(pcd->ddma_chan, msbits);  in au1x_pcm_dbdma_realloc()
176 	au1xxx_dbdma_ring_alloc(pcd->ddma_chan, 2);  in au1x_pcm_dbdma_realloc()
178 	pcd->msbits = msbits;  in au1x_pcm_dbdma_realloc()
180 	au1xxx_dbdma_stop(pcd->ddma_chan);  in au1x_pcm_dbdma_realloc()
181 	au1xxx_dbdma_reset(pcd->ddma_chan);  in au1x_pcm_dbdma_realloc()
190 	struct au1xpsc_audio_dmadata *pcd =  in to_dmadata()  local
192 	return &pcd[ss->stream];  in to_dmadata()
199 	struct au1xpsc_audio_dmadata *pcd;  in au1xpsc_pcm_hw_params()  local
207 	pcd = to_dmadata(substream);  in au1xpsc_pcm_hw_params()
218 	ret = au1x_pcm_dbdma_realloc(pcd, stype, params->msbits);  in au1xpsc_pcm_hw_params()
224 	pcd->substream = substream;  in au1xpsc_pcm_hw_params()
225 	pcd->period_bytes = params_period_bytes(params);  in au1xpsc_pcm_hw_params()
226 	pcd->periods = params_periods(params);  in au1xpsc_pcm_hw_params()
227 	pcd->dma_area_s = pcd->dma_area = runtime->dma_addr;  in au1xpsc_pcm_hw_params()
228 	pcd->q_period = 0;  in au1xpsc_pcm_hw_params()
229 	pcd->curr_period = 0;  in au1xpsc_pcm_hw_params()
230 	pcd->pos = 0;  in au1xpsc_pcm_hw_params()
245 	struct au1xpsc_audio_dmadata *pcd = to_dmadata(substream);  in au1xpsc_pcm_prepare()  local
247 	au1xxx_dbdma_reset(pcd->ddma_chan);  in au1xpsc_pcm_prepare()
250 		au1x_pcm_queue_rx(pcd);  in au1xpsc_pcm_prepare()
251 		au1x_pcm_queue_rx(pcd);  in au1xpsc_pcm_prepare()
253 		au1x_pcm_queue_tx(pcd);  in au1xpsc_pcm_prepare()
254 		au1x_pcm_queue_tx(pcd);  in au1xpsc_pcm_prepare()
287 	struct au1xpsc_audio_dmadata *pcd = to_dmadata(substream);  in au1xpsc_pcm_open()  local
295 	pcd->ddma_id = dmaids[stype];  in au1xpsc_pcm_open()