3 // Renesas R-Car Audio DMAC support
13  * Audio DMAC peri peri register
67  *		Audio DMAC
174 	 * in case of monaural data writing or reading through Audio-DMAC  in rsnd_dmaen_start()
273 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmaen_attach()  local
301 	dmac->dmaen_num++;  in rsnd_dmaen_attach()
338  *		Audio DMAC peri peri
427 #define rsnd_dmapp_addr(dmac, dma, reg) \  argument
428 	(dmac->ppbase + 0x20 + reg + \
434 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_write()  local
437 	dev_dbg(dev, "w 0x%px : %08x\n", rsnd_dmapp_addr(dmac, dma, reg), data);  in rsnd_dmapp_write()
439 	iowrite32(data, rsnd_dmapp_addr(dmac, dma, reg));  in rsnd_dmapp_write()
446 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_read()  local
448 	return ioread32(rsnd_dmapp_addr(dmac, dma, reg));  in rsnd_dmapp_read()
455 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_bset()  local
456 	void __iomem *addr = rsnd_dmapp_addr(dmac, dma, reg);  in rsnd_dmapp_bset()
503 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_attach()  local
506 	dmapp->dmapp_id = dmac->dmapp_num;  in rsnd_dmapp_attach()
509 	dmac->dmapp_num++;  in rsnd_dmapp_attach()
523 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_debug_info()  local
527 	rsnd_debugfs_reg_show(m, dmac->ppres, dmac->ppbase,  in rsnd_dmapp_debug_info()
545  *		Common DMAC Interface
551  *	RSND_xxx_I_N	for Audio DMAC input
552  *	RSND_xxx_O_N	for Audio DMAC output
553  *	RSND_xxx_I_P	for Audio DMAC peri peri input
554  *	RSND_xxx_O_P	for Audio DMAC peri peri output
557  *	      mod        / DMAC in    / DMAC out   / DMAC PP in / DMAC pp out
660  *		  mod		/ SYS-DMAC in	/ SYS-DMAC out
767 	 * -*->		Audio DMAC  in rsnd_dma_of_path()
768 	 * -o->		Audio DMAC peri peri  in rsnd_dma_of_path()
821 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dma_alloc()  local
837 	if (!dmac)  in rsnd_dma_alloc()
846 		dma_id	= dmac->dmapp_num;  in rsnd_dma_alloc()
851 		dma_id	= dmac->dmaen_num;  in rsnd_dma_alloc()
859 		dma_id	= dmac->dmaen_num;  in rsnd_dma_alloc()
908 	struct rsnd_dma_ctrl *dmac;  in rsnd_dma_probe()  local
920 	dmac = devm_kzalloc(dev, sizeof(*dmac), GFP_KERNEL);  in rsnd_dma_probe()
921 	if (!dmac) {  in rsnd_dma_probe()
936 	dmac->dmapp_num = 0;  in rsnd_dma_probe()
937 	dmac->ppres  = res->start;  in rsnd_dma_probe()
938 	dmac->ppbase = devm_ioremap_resource(dev, res);  in rsnd_dma_probe()
939 	if (IS_ERR(dmac->ppbase))  in rsnd_dma_probe()
940 		return PTR_ERR(dmac->ppbase);  in rsnd_dma_probe()
942 	priv->dma = dmac;  in rsnd_dma_probe()