325 				    struct atiixp_dma *dma,  in atiixp_build_dma_packets()  argument
337 	if (dma->desc_buf.area == NULL) {  in atiixp_build_dma_packets()
339 					ATI_DESC_LIST_SIZE, &dma->desc_buf) < 0)  in atiixp_build_dma_packets()
341 		dma->period_bytes = dma->periods = 0; /* clear */  in atiixp_build_dma_packets()
344 	if (dma->periods == periods && dma->period_bytes == period_bytes)  in atiixp_build_dma_packets()
349 	writel(0, chip->remap_addr + dma->ops->llp_offset);  in atiixp_build_dma_packets()
350 	dma->ops->enable_dma(chip, 0);  in atiixp_build_dma_packets()
351 	dma->ops->enable_dma(chip, 1);  in atiixp_build_dma_packets()
356 	desc_addr = (u32)dma->desc_buf.addr;  in atiixp_build_dma_packets()
359 		desc = &((struct atiixp_dma_desc *)dma->desc_buf.area)[i];  in atiixp_build_dma_packets()
365 			desc->next = cpu_to_le32((u32)dma->desc_buf.addr);  in atiixp_build_dma_packets()
371 	writel((u32)dma->desc_buf.addr | ATI_REG_LINKPTR_EN,  in atiixp_build_dma_packets()
372 	       chip->remap_addr + dma->ops->llp_offset);  in atiixp_build_dma_packets()
374 	dma->period_bytes = period_bytes;  in atiixp_build_dma_packets()
375 	dma->periods = periods;  in atiixp_build_dma_packets()
384 				     struct atiixp_dma *dma,  in atiixp_clear_dma_packets()  argument
387 	if (dma->desc_buf.area) {  in atiixp_clear_dma_packets()
388 		writel(0, chip->remap_addr + dma->ops->llp_offset);  in atiixp_clear_dma_packets()
389 		snd_dma_free_pages(&dma->desc_buf);  in atiixp_clear_dma_packets()
390 		dma->desc_buf.area = NULL;  in atiixp_clear_dma_packets()
614 	struct atiixp_dma *dma = runtime->private_data;  in snd_atiixp_pcm_pointer()  local
619 		curptr = readl(chip->remap_addr + dma->ops->dt_cur);  in snd_atiixp_pcm_pointer()
620 		if (curptr < dma->buf_addr)  in snd_atiixp_pcm_pointer()
622 		curptr -= dma->buf_addr;  in snd_atiixp_pcm_pointer()
623 		if (curptr >= dma->buf_bytes)  in snd_atiixp_pcm_pointer()
628 		   readl(chip->remap_addr + dma->ops->dt_cur), dma->buf_addr);  in snd_atiixp_pcm_pointer()
636 				struct atiixp_dma *dma)  in snd_atiixp_xrun_dma()  argument
638 	if (! dma->substream || ! dma->running)  in snd_atiixp_xrun_dma()
640 	dev_dbg(chip->card->dev, "XRUN detected (DMA %d)\n", dma->ops->type);  in snd_atiixp_xrun_dma()
641 	snd_pcm_stop_xrun(dma->substream);  in snd_atiixp_xrun_dma()
648 				  struct atiixp_dma *dma)  in snd_atiixp_update_dma()  argument
650 	if (! dma->substream || ! dma->running)  in snd_atiixp_update_dma()
652 	snd_pcm_period_elapsed(dma->substream);  in snd_atiixp_update_dma()
674 	struct atiixp_dma *dma = substream->runtime->private_data;  in snd_atiixp_pcm_trigger()  local
677 	if (snd_BUG_ON(!dma->ops->enable_transfer ||  in snd_atiixp_pcm_trigger()
678 		       !dma->ops->flush_dma))  in snd_atiixp_pcm_trigger()
684 		dma->ops->enable_transfer(chip, 1);  in snd_atiixp_pcm_trigger()
685 		dma->running = 1;  in snd_atiixp_pcm_trigger()
688 		dma->ops->enable_transfer(chip, 0);  in snd_atiixp_pcm_trigger()
689 		dma->running = 0;  in snd_atiixp_pcm_trigger()
698 		dma->ops->flush_dma(chip);  in snd_atiixp_pcm_trigger()
796 	struct atiixp_dma *dma = substream->runtime->private_data;  in snd_atiixp_pcm_hw_params()  local
803 	dma->buf_addr = substream->runtime->dma_addr;  in snd_atiixp_pcm_hw_params()
804 	dma->buf_bytes = params_buffer_bytes(hw_params);  in snd_atiixp_pcm_hw_params()
806 	err = atiixp_build_dma_packets(chip, dma, substream,  in snd_atiixp_pcm_hw_params()
826 	struct atiixp_dma *dma = substream->runtime->private_data;  in snd_atiixp_pcm_hw_free()  local
828 	atiixp_clear_dma_packets(chip, dma, substream);  in snd_atiixp_pcm_hw_free()
858 			       struct atiixp_dma *dma, int pcm_type)  in snd_atiixp_pcm_open()  argument
870 	if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma))  in snd_atiixp_pcm_open()
873 	if (dma->opened)  in snd_atiixp_pcm_open()
875 	dma->substream = substream;  in snd_atiixp_pcm_open()
877 	dma->ac97_pcm_type = pcm_type;  in snd_atiixp_pcm_open()
885 	runtime->private_data = dma;  in snd_atiixp_pcm_open()
889 	dma->ops->enable_dma(chip, 1);  in snd_atiixp_pcm_open()
891 	dma->opened = 1;  in snd_atiixp_pcm_open()
897 				struct atiixp_dma *dma)  in snd_atiixp_pcm_close()  argument
901 	if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma))  in snd_atiixp_pcm_close()
904 	dma->ops->enable_dma(chip, 0);  in snd_atiixp_pcm_close()
906 	dma->substream = NULL;  in snd_atiixp_pcm_close()
907 	dma->opened = 0;  in snd_atiixp_pcm_close()