96 	struct qmc_dai_prtd *prtd = substream->runtime->private_data;  in qmc_audio_pcm_hw_params()  local
103 	prtd->channels = qmc_audio_access_is_interleaved(params_access(params)) ?  in qmc_audio_pcm_hw_params()
106 	prtd->substream = substream;  in qmc_audio_pcm_hw_params()
108 	prtd->buffer_ended = 0;  in qmc_audio_pcm_hw_params()
109 	prtd->buffer_size = params_buffer_size(params);  in qmc_audio_pcm_hw_params()
110 	prtd->period_size = params_period_size(params);  in qmc_audio_pcm_hw_params()
112 	prtd->ch_dma_addr_start = runtime->dma_addr;  in qmc_audio_pcm_hw_params()
113 	prtd->ch_dma_offset = params_buffer_bytes(params) / prtd->channels;  in qmc_audio_pcm_hw_params()
114 	prtd->ch_dma_addr_end = runtime->dma_addr + prtd->ch_dma_offset;  in qmc_audio_pcm_hw_params()
115 	prtd->ch_dma_addr_current = prtd->ch_dma_addr_start;  in qmc_audio_pcm_hw_params()
116 	prtd->ch_dma_size = params_period_bytes(params) / prtd->channels;  in qmc_audio_pcm_hw_params()
123 static int qmc_audio_pcm_write_submit(struct qmc_dai_prtd *prtd)  in qmc_audio_pcm_write_submit()  argument
128 	for (i = 0; i < prtd->channels; i++) {  in qmc_audio_pcm_write_submit()
129 		bitmap_set(prtd->chans_pending, i, 1);  in qmc_audio_pcm_write_submit()
131 		ret = qmc_chan_write_submit(prtd->qmc_dai->chans[i].qmc_chan,  in qmc_audio_pcm_write_submit()
132 					    prtd->ch_dma_addr_current + i * prtd->ch_dma_offset,  in qmc_audio_pcm_write_submit()
133 					    prtd->ch_dma_size,  in qmc_audio_pcm_write_submit()
135 					    &prtd->qmc_dai->chans[i]);  in qmc_audio_pcm_write_submit()
137 			dev_err(prtd->qmc_dai->dev, "write_submit %u failed %d\n",  in qmc_audio_pcm_write_submit()
139 			bitmap_clear(prtd->chans_pending, i, 1);  in qmc_audio_pcm_write_submit()
150 	struct qmc_dai_prtd *prtd;  in qmc_audio_pcm_write_complete()  local
152 	prtd = chan->prtd_tx;  in qmc_audio_pcm_write_complete()
155 	bitmap_clear(prtd->chans_pending, chan - prtd->qmc_dai->chans, 1);  in qmc_audio_pcm_write_complete()
161 	if (!bitmap_empty(prtd->chans_pending, 64))  in qmc_audio_pcm_write_complete()
164 	prtd->buffer_ended += prtd->period_size;  in qmc_audio_pcm_write_complete()
165 	if (prtd->buffer_ended >= prtd->buffer_size)  in qmc_audio_pcm_write_complete()
166 		prtd->buffer_ended = 0;  in qmc_audio_pcm_write_complete()
168 	prtd->ch_dma_addr_current += prtd->ch_dma_size;  in qmc_audio_pcm_write_complete()
169 	if (prtd->ch_dma_addr_current >= prtd->ch_dma_addr_end)  in qmc_audio_pcm_write_complete()
170 		prtd->ch_dma_addr_current = prtd->ch_dma_addr_start;  in qmc_audio_pcm_write_complete()
172 	qmc_audio_pcm_write_submit(prtd);  in qmc_audio_pcm_write_complete()
174 	snd_pcm_period_elapsed(prtd->substream);  in qmc_audio_pcm_write_complete()
179 static int qmc_audio_pcm_read_submit(struct qmc_dai_prtd *prtd)  in qmc_audio_pcm_read_submit()  argument
184 	for (i = 0; i < prtd->channels; i++) {  in qmc_audio_pcm_read_submit()
185 		bitmap_set(prtd->chans_pending, i, 1);  in qmc_audio_pcm_read_submit()
187 		ret = qmc_chan_read_submit(prtd->qmc_dai->chans[i].qmc_chan,  in qmc_audio_pcm_read_submit()
188 					   prtd->ch_dma_addr_current + i * prtd->ch_dma_offset,  in qmc_audio_pcm_read_submit()
189 					   prtd->ch_dma_size,  in qmc_audio_pcm_read_submit()
191 					   &prtd->qmc_dai->chans[i]);  in qmc_audio_pcm_read_submit()
193 			dev_err(prtd->qmc_dai->dev, "read_submit %u failed %d\n",  in qmc_audio_pcm_read_submit()
195 			bitmap_clear(prtd->chans_pending, i, 1);  in qmc_audio_pcm_read_submit()
206 	struct qmc_dai_prtd *prtd;  in qmc_audio_pcm_read_complete()  local
208 	prtd = chan->prtd_rx;  in qmc_audio_pcm_read_complete()
211 	bitmap_clear(prtd->chans_pending, chan - prtd->qmc_dai->chans, 1);  in qmc_audio_pcm_read_complete()
213 	if (length != prtd->ch_dma_size) {  in qmc_audio_pcm_read_complete()
214 		dev_err(prtd->qmc_dai->dev, "read complete length = %zu, exp %zu\n",  in qmc_audio_pcm_read_complete()
215 			length, prtd->ch_dma_size);  in qmc_audio_pcm_read_complete()
222 	if (!bitmap_empty(prtd->chans_pending, 64))  in qmc_audio_pcm_read_complete()
225 	prtd->buffer_ended += prtd->period_size;  in qmc_audio_pcm_read_complete()
226 	if (prtd->buffer_ended >= prtd->buffer_size)  in qmc_audio_pcm_read_complete()
227 		prtd->buffer_ended = 0;  in qmc_audio_pcm_read_complete()
229 	prtd->ch_dma_addr_current += prtd->ch_dma_size;  in qmc_audio_pcm_read_complete()
230 	if (prtd->ch_dma_addr_current >= prtd->ch_dma_addr_end)  in qmc_audio_pcm_read_complete()
231 		prtd->ch_dma_addr_current = prtd->ch_dma_addr_start;  in qmc_audio_pcm_read_complete()
233 	qmc_audio_pcm_read_submit(prtd);  in qmc_audio_pcm_read_complete()
235 	snd_pcm_period_elapsed(prtd->substream);  in qmc_audio_pcm_read_complete()
241 	struct qmc_dai_prtd *prtd = substream->runtime->private_data;  in qmc_audio_pcm_trigger()  local
245 	if (!prtd->qmc_dai) {  in qmc_audio_pcm_trigger()
252 		bitmap_zero(prtd->chans_pending, 64);  in qmc_audio_pcm_trigger()
254 			for (i = 0; i < prtd->channels; i++)  in qmc_audio_pcm_trigger()
255 				prtd->qmc_dai->chans[i].prtd_tx = prtd;  in qmc_audio_pcm_trigger()
258 			ret = qmc_audio_pcm_write_submit(prtd);  in qmc_audio_pcm_trigger()
263 			prtd->ch_dma_addr_current += prtd->ch_dma_size;  in qmc_audio_pcm_trigger()
264 			if (prtd->ch_dma_addr_current >= prtd->ch_dma_addr_end)  in qmc_audio_pcm_trigger()
265 				prtd->ch_dma_addr_current = prtd->ch_dma_addr_start;  in qmc_audio_pcm_trigger()
268 			ret = qmc_audio_pcm_write_submit(prtd);  in qmc_audio_pcm_trigger()
272 			for (i = 0; i < prtd->channels; i++)  in qmc_audio_pcm_trigger()
273 				prtd->qmc_dai->chans[i].prtd_rx = prtd;  in qmc_audio_pcm_trigger()
276 			ret = qmc_audio_pcm_read_submit(prtd);  in qmc_audio_pcm_trigger()
281 			prtd->ch_dma_addr_current += prtd->ch_dma_size;  in qmc_audio_pcm_trigger()
282 			if (prtd->ch_dma_addr_current >= prtd->ch_dma_addr_end)  in qmc_audio_pcm_trigger()
283 				prtd->ch_dma_addr_current = prtd->ch_dma_addr_start;  in qmc_audio_pcm_trigger()
286 			ret = qmc_audio_pcm_read_submit(prtd);  in qmc_audio_pcm_trigger()
311 	struct qmc_dai_prtd *prtd = substream->runtime->private_data;  in qmc_audio_pcm_pointer()  local
313 	return prtd->buffer_ended;  in qmc_audio_pcm_pointer()
353 	struct qmc_dai_prtd *prtd;  in qmc_audio_pcm_open()  local
363 	prtd = kzalloc(sizeof(*prtd), GFP_KERNEL);  in qmc_audio_pcm_open()
364 	if (!prtd)  in qmc_audio_pcm_open()
367 	runtime->private_data = prtd;  in qmc_audio_pcm_open()
375 	struct qmc_dai_prtd *prtd = substream->runtime->private_data;  in qmc_audio_pcm_close()  local
377 	kfree(prtd);  in qmc_audio_pcm_close()
594 	struct qmc_dai_prtd *prtd = substream->runtime->private_data;  in qmc_dai_startup()  local
603 	prtd->qmc_dai = qmc_dai;  in qmc_dai_startup()