147 static void acp62_config_dma(struct pdm_stream_instance *rtd, int direction)  in acp62_config_dma()  argument
153 	addr = rtd->dma_addr;  in acp62_config_dma()
157 	acp62_writel(ACP_SRAM_PTE_OFFSET | BIT(31), rtd->acp62_base +  in acp62_config_dma()
159 	acp62_writel(PAGE_SIZE_4K_ENABLE, rtd->acp62_base +  in acp62_config_dma()
161 	for (page_idx = 0; page_idx < rtd->num_pages; page_idx++) {  in acp62_config_dma()
166 		acp62_writel(low, rtd->acp62_base + ACP_SCRATCH_REG_0 + val);  in acp62_config_dma()
168 		acp62_writel(high, rtd->acp62_base + ACP_SCRATCH_REG_0 + val + 4);  in acp62_config_dma()
213 	struct pdm_stream_instance *rtd;  in acp62_pdm_dma_hw_params()  local
216 	rtd = substream->runtime->private_data;  in acp62_pdm_dma_hw_params()
217 	if (!rtd)  in acp62_pdm_dma_hw_params()
221 	rtd->dma_addr = substream->runtime->dma_addr;  in acp62_pdm_dma_hw_params()
222 	rtd->num_pages = (PAGE_ALIGN(size) >> PAGE_SHIFT);  in acp62_pdm_dma_hw_params()
223 	acp62_config_dma(rtd, substream->stream);  in acp62_pdm_dma_hw_params()
225 				   period_bytes, rtd->acp62_base);  in acp62_pdm_dma_hw_params()
229 static u64 acp62_pdm_get_byte_count(struct pdm_stream_instance *rtd,  in acp62_pdm_get_byte_count()  argument
235 	high = acp62_readl(rtd->acp62_base + ACP_WOV_RX_LINEARPOSITIONCNTR_HIGH);  in acp62_pdm_get_byte_count()
237 	low = acp62_readl(rtd->acp62_base + ACP_WOV_RX_LINEARPOSITIONCNTR_LOW);  in acp62_pdm_get_byte_count()
245 	struct pdm_stream_instance *rtd;  in acp62_pdm_dma_pointer()  local
249 	rtd = stream->runtime->private_data;  in acp62_pdm_dma_pointer()
252 	bytescount = acp62_pdm_get_byte_count(rtd, stream->stream);  in acp62_pdm_dma_pointer()
253 	if (bytescount > rtd->bytescount)  in acp62_pdm_dma_pointer()
254 		bytescount -= rtd->bytescount;  in acp62_pdm_dma_pointer()
260 			     struct snd_soc_pcm_runtime *rtd)  in acp62_pdm_dma_new()  argument
264 	snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_DEV,  in acp62_pdm_dma_new()
284 	struct pdm_stream_instance *rtd;  in acp62_pdm_dai_trigger()  local
289 	rtd = substream->runtime->private_data;  in acp62_pdm_dai_trigger()
302 		acp62_writel(ch_mask, rtd->acp62_base + ACP_WOV_PDM_NO_OF_CHANNELS);  in acp62_pdm_dai_trigger()
303 		acp62_writel(PDM_DECIMATION_FACTOR, rtd->acp62_base +  in acp62_pdm_dai_trigger()
305 		rtd->bytescount = acp62_pdm_get_byte_count(rtd, substream->stream);  in acp62_pdm_dai_trigger()
306 		pdm_status = acp62_check_pdm_dma_status(rtd->acp62_base);  in acp62_pdm_dai_trigger()
308 			ret = acp62_start_pdm_dma(rtd->acp62_base);  in acp62_pdm_dai_trigger()
313 		pdm_status = acp62_check_pdm_dma_status(rtd->acp62_base);  in acp62_pdm_dai_trigger()
315 			ret = acp62_stop_pdm_dma(rtd->acp62_base);  in acp62_pdm_dai_trigger()
398 	struct pdm_stream_instance *rtd;  in acp62_pdm_resume()  local
404 		rtd = runtime->private_data;  in acp62_pdm_resume()
407 		acp62_config_dma(rtd, SNDRV_PCM_STREAM_CAPTURE);  in acp62_pdm_resume()