75 loongson_dma_desc *dma_desc_save(struct loongson_runtime_data *prtd)  in dma_desc_save()  argument
77 	void __iomem *order_reg = prtd->dma_data->order_addr;  in dma_desc_save()
80 	val = (u64)prtd->dma_pos_desc_phy & DMA_ORDER_ASK_MASK;  in dma_desc_save()
88 	return prtd->dma_pos_desc;  in dma_desc_save()
94 	struct loongson_runtime_data *prtd = substream->runtime->private_data;  in loongson_pcm_trigger()  local
96 	void __iomem *order_reg = prtd->dma_data->order_addr;  in loongson_pcm_trigger()
103 		val = prtd->dma_pos_desc_phy & DMA_ORDER_ASK_MASK;  in loongson_pcm_trigger()
118 		dma_desc_save(prtd);  in loongson_pcm_trigger()
140 	struct loongson_runtime_data *prtd = runtime->private_data;  in loongson_pcm_hw_params()  local
154 	if (!num_periods || num_periods > prtd->dma_desc_arr_size) {  in loongson_pcm_hw_params()
164 	order_addr = prtd->dma_desc_arr_phy;  in loongson_pcm_hw_params()
166 		desc = &prtd->dma_desc_arr[i];  in loongson_pcm_hw_params()
175 		desc->daddr = prtd->dma_data->dev_addr;  in loongson_pcm_hw_params()
187 	desc = &prtd->dma_desc_arr[num_periods - 1];  in loongson_pcm_hw_params()
188 	desc->order = lower_32_bits(prtd->dma_desc_arr_phy | BIT(0));  in loongson_pcm_hw_params()
189 	desc->order_hi = upper_32_bits(prtd->dma_desc_arr_phy);  in loongson_pcm_hw_params()
192 	*prtd->dma_pos_desc = *prtd->dma_desc_arr;  in loongson_pcm_hw_params()
202 	struct loongson_runtime_data *prtd = runtime->private_data;  in loongson_pcm_pointer()  local
207 	desc = dma_desc_save(prtd);  in loongson_pcm_pointer()
230 	struct loongson_runtime_data *prtd;  in loongson_pcm_open()  local
246 	prtd = kzalloc(sizeof(*prtd), GFP_KERNEL);  in loongson_pcm_open()
247 	if (!prtd)  in loongson_pcm_open()
250 	prtd->dma_desc_arr = dma_alloc_coherent(card->dev, PAGE_SIZE,  in loongson_pcm_open()
251 						&prtd->dma_desc_arr_phy,  in loongson_pcm_open()
253 	if (!prtd->dma_desc_arr)  in loongson_pcm_open()
256 	prtd->dma_desc_arr_size = PAGE_SIZE / sizeof(*prtd->dma_desc_arr);  in loongson_pcm_open()
258 	prtd->dma_pos_desc = dma_alloc_coherent(card->dev,  in loongson_pcm_open()
259 						sizeof(*prtd->dma_pos_desc),  in loongson_pcm_open()
260 						&prtd->dma_pos_desc_phy,  in loongson_pcm_open()
262 	if (!prtd->dma_pos_desc)  in loongson_pcm_open()
266 	prtd->dma_data = dma_data;  in loongson_pcm_open()
268 	substream->runtime->private_data = prtd;  in loongson_pcm_open()
272 	dma_free_coherent(card->dev, PAGE_SIZE, prtd->dma_desc_arr,  in loongson_pcm_open()
273 			  prtd->dma_desc_arr_phy);  in loongson_pcm_open()
275 	kfree(prtd);  in loongson_pcm_open()
284 	struct loongson_runtime_data *prtd = substream->runtime->private_data;  in loongson_pcm_close()  local
286 	dma_free_coherent(card->dev, PAGE_SIZE, prtd->dma_desc_arr,  in loongson_pcm_close()
287 			  prtd->dma_desc_arr_phy);  in loongson_pcm_close()
289 	dma_free_coherent(card->dev, sizeof(*prtd->dma_pos_desc),  in loongson_pcm_close()
290 			  prtd->dma_pos_desc, prtd->dma_pos_desc_phy);  in loongson_pcm_close()
292 	kfree(prtd);  in loongson_pcm_close()