44 	struct sst_dsp *sst;  member
60 	struct sst_dsp *sst = (struct sst_dsp *)arg;  in sst_dma_transfer_complete()  local
62 	dev_dbg(sst->dev, "DMA: callback\n");  in sst_dma_transfer_complete()
65 static int sst_dsp_dma_copy(struct sst_dsp *sst, dma_addr_t dest_addr,  in sst_dsp_dma_copy()  argument
69 	struct sst_dma *dma = sst->dma;  in sst_dsp_dma_copy()
72 		dev_err(sst->dev, "error: no DMA channel\n");  in sst_dsp_dma_copy()
76 	dev_dbg(sst->dev, "DMA: src: 0x%lx dest 0x%lx size %zu\n",  in sst_dsp_dma_copy()
82 		dev_err(sst->dev, "error: dma prep memcpy failed\n");  in sst_dsp_dma_copy()
87 	desc->callback_param = sst;  in sst_dsp_dma_copy()
96 int sst_dsp_dma_copyto(struct sst_dsp *sst, dma_addr_t dest_addr,  in sst_dsp_dma_copyto()  argument
99 	return sst_dsp_dma_copy(sst, dest_addr | SST_HSW_MASK_DMA_ADDR_DSP,  in sst_dsp_dma_copyto()
105 int sst_dsp_dma_copyfrom(struct sst_dsp *sst, dma_addr_t dest_addr,  in sst_dsp_dma_copyfrom()  argument
108 	return sst_dsp_dma_copy(sst, dest_addr,  in sst_dsp_dma_copyfrom()
258 int sst_dma_new(struct sst_dsp *sst)  in sst_dma_new()  argument
260 	struct sst_pdata *sst_pdata = sst->pdata;  in sst_dma_new()
266 	if (sst->pdata->resindex_dma_base == -1)  in sst_dma_new()
272 	switch (sst->pdata->dma_engine) {  in sst_dma_new()
277 		dev_err(sst->dev, "error: invalid DMA engine %d\n",  in sst_dma_new()
278 			sst->pdata->dma_engine);  in sst_dma_new()
282 	dma = devm_kzalloc(sst->dev, sizeof(struct sst_dma), GFP_KERNEL);  in sst_dma_new()
286 	dma->sst = sst;  in sst_dma_new()
290 	mem.start = sst->addr.lpe_base + sst_pdata->dma_base;  in sst_dma_new()
291 	mem.end   = sst->addr.lpe_base + sst_pdata->dma_base + sst_pdata->dma_size - 1;  in sst_dma_new()
295 	dma->chip = dw_probe(sst->dma_dev, &mem, sst_pdata->irq);  in sst_dma_new()
297 		dev_err(sst->dev, "error: DMA device register failed\n");  in sst_dma_new()
302 	sst->dma = dma;  in sst_dma_new()
303 	sst->fw_use_dma = true;  in sst_dma_new()
307 	devm_kfree(sst->dev, dma);  in sst_dma_new()