DMA_SIZE
DEFINE_RES_MEM(DMA_PHYS, DMA_SIZE),
p->base = d->base + i * DMA_SIZE;
writel(DMA_SIZE, chip->base + reg_dma_size);
writel(DMA_SIZE, chip->base + reg_dma_size);
ret = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, DMA_SIZE);
ret = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, DMA_SIZE);
rv_writel(DMA_SIZE, rtd->acp3x_base + reg_dma_size);
acp_writel(DMA_SIZE, rtd->acp5x_base + reg_dma_size);