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()
266 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmaen_attach()  local
294 	dmac->dmaen_num++;  in rsnd_dmaen_attach()
331  *		Audio DMAC peri peri
420 #define rsnd_dmapp_addr(dmac, dma, reg) \  argument
421 	(dmac->ppbase + 0x20 + reg + \
427 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_write()  local
430 	dev_dbg(dev, "w 0x%px : %08x\n", rsnd_dmapp_addr(dmac, dma, reg), data);  in rsnd_dmapp_write()
432 	iowrite32(data, rsnd_dmapp_addr(dmac, dma, reg));  in rsnd_dmapp_write()
439 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_read()  local
441 	return ioread32(rsnd_dmapp_addr(dmac, dma, reg));  in rsnd_dmapp_read()
448 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_bset()  local
449 	void __iomem *addr = rsnd_dmapp_addr(dmac, dma, reg);  in rsnd_dmapp_bset()
496 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_attach()  local
499 	dmapp->dmapp_id = dmac->dmapp_num;  in rsnd_dmapp_attach()
502 	dmac->dmapp_num++;  in rsnd_dmapp_attach()
516 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_debug_info()  local
520 	rsnd_debugfs_reg_show(m, dmac->ppres, dmac->ppbase,  in rsnd_dmapp_debug_info()
538  *		Common DMAC Interface
544  *	RSND_xxx_I_N	for Audio DMAC input
545  *	RSND_xxx_O_N	for Audio DMAC output
546  *	RSND_xxx_I_P	for Audio DMAC peri peri input
547  *	RSND_xxx_O_P	for Audio DMAC peri peri output
550  *	      mod        / DMAC in    / DMAC out   / DMAC PP in / DMAC pp out
728 	 * -*->		Audio DMAC  in rsnd_dma_of_path()
729 	 * -o->		Audio DMAC peri peri  in rsnd_dma_of_path()
782 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dma_alloc()  local
798 	if (!dmac)  in rsnd_dma_alloc()
807 		dma_id	= dmac->dmapp_num;  in rsnd_dma_alloc()
812 		dma_id	= dmac->dmaen_num;  in rsnd_dma_alloc()
820 		dma_id	= dmac->dmaen_num;  in rsnd_dma_alloc()
869 	struct rsnd_dma_ctrl *dmac;  in rsnd_dma_probe()  local
882 	dmac = devm_kzalloc(dev, sizeof(*dmac), GFP_KERNEL);  in rsnd_dma_probe()
883 	if (!dmac || !res) {  in rsnd_dma_probe()
888 	dmac->dmapp_num = 0;  in rsnd_dma_probe()
889 	dmac->ppres  = res->start;  in rsnd_dma_probe()
890 	dmac->ppbase = devm_ioremap_resource(dev, res);  in rsnd_dma_probe()
891 	if (IS_ERR(dmac->ppbase))  in rsnd_dma_probe()
892 		return PTR_ERR(dmac->ppbase);  in rsnd_dma_probe()
894 	priv->dma = dmac;  in rsnd_dma_probe()