Lines Matching refs:dma_buffer
41 struct snd_dma_buffer *buf = &substream->dma_buffer;
64 substream->dma_buffer.addr >> PAGE_SHIFT,
110 buf = &substream->dma_buffer;
143 dma_addr_t dma_buffer; /* physical address of dma buffer */
173 prtd->period_ptr = prtd->dma_buffer;
187 prtd->period_ptr = prtd->dma_buffer;
213 snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
219 prtd->dma_buffer = runtime->dma_addr;
274 prtd->period_ptr = prtd->dma_buffer;
336 x = bytes_to_frames(runtime, ptr - prtd->dma_buffer);