675 	struct audio_substream_data *rtd;  in acp_dma_hw_params()  local
678 	rtd = runtime->private_data;  in acp_dma_hw_params()
680 	if (WARN_ON(!rtd))  in acp_dma_hw_params()
692 		acp_set_sram_bank_state(rtd->acp_mmio, 0, true);  in acp_dma_hw_params()
694 		rtd->pg = pg;  in acp_dma_hw_params()
695 		rtd->order = get_order(size);  in acp_dma_hw_params()
698 		rtd->pg = pg;  in acp_dma_hw_params()
699 		rtd->size = size;  in acp_dma_hw_params()
700 		rtd->num_of_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;  in acp_dma_hw_params()
701 		rtd->direction = substream->stream;  in acp_dma_hw_params()
703 		config_acp_dma(rtd->acp_mmio, rtd);  in acp_dma_hw_params()
723 	struct audio_substream_data *rtd = runtime->private_data;  in acp_dma_pointer()  local
727 		dscr = acp_reg_read(rtd->acp_mmio, mmACP_DMA_CUR_DSCR_13);  in acp_dma_pointer()
735 		dma_config = acp_reg_read(rtd->acp_mmio, mmACP_DMA_CNTL_14);  in acp_dma_pointer()
737 			dscr = acp_reg_read(rtd->acp_mmio,  in acp_dma_pointer()
762 	struct audio_substream_data *rtd = runtime->private_data;  in acp_dma_prepare()  local
765 		config_acp_dma_channel(rtd->acp_mmio, SYSRAM_TO_ACP_CH_NUM,  in acp_dma_prepare()
768 		config_acp_dma_channel(rtd->acp_mmio, ACP_TO_I2S_DMA_CH_NUM,  in acp_dma_prepare()
774 		acp_dma_start(rtd->acp_mmio, SYSRAM_TO_ACP_CH_NUM, false);  in acp_dma_prepare()
785 		config_acp_dma_channel(rtd->acp_mmio, SYSRAM_TO_ACP_CH_NUM,  in acp_dma_prepare()
789 		config_acp_dma_channel(rtd->acp_mmio, ACP_TO_SYSRAM_CH_NUM,  in acp_dma_prepare()
792 		config_acp_dma_channel(rtd->acp_mmio, I2S_TO_ACP_DMA_CH_NUM,  in acp_dma_prepare()
806 	struct audio_substream_data *rtd = runtime->private_data;  in acp_dma_trigger()  local
808 	if (!rtd)  in acp_dma_trigger()
815 			acp_dma_start(rtd->acp_mmio,  in acp_dma_trigger()
817 			while (acp_reg_read(rtd->acp_mmio, mmACP_DMA_CH_STS) &  in acp_dma_trigger()
827 			acp_dma_start(rtd->acp_mmio,  in acp_dma_trigger()
831 			acp_dma_start(rtd->acp_mmio,  in acp_dma_trigger()
845 			ret = acp_dma_stop(rtd->acp_mmio,  in acp_dma_trigger()
848 			ret = acp_dma_stop(rtd->acp_mmio,  in acp_dma_trigger()
858 static int acp_dma_new(struct snd_soc_pcm_runtime *rtd)  in acp_dma_new()  argument
860 	return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,  in acp_dma_new()
870 	struct audio_substream_data *rtd = runtime->private_data;  in acp_dma_close()  local
874 	kfree(rtd);  in acp_dma_close()