3 // Renesas R-Car Audio DMAC support
14  * Audio DMAC peri peri register
66  *		Audio DMAC
150 	 * in case of monaural data writing or reading through Audio-DMAC  in rsnd_dmaen_start()
222 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmaen_attach()  local
250 	dmac->dmaen_num++;  in rsnd_dmaen_attach()
275  *		Audio DMAC peri peri
364 #define rsnd_dmapp_addr(dmac, dma, reg) \  argument
365 	(dmac->ppbase + 0x20 + reg + \
371 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_write()  local
374 	dev_dbg(dev, "w 0x%px : %08x\n", rsnd_dmapp_addr(dmac, dma, reg), data);  in rsnd_dmapp_write()
376 	iowrite32(data, rsnd_dmapp_addr(dmac, dma, reg));  in rsnd_dmapp_write()
383 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_read()  local
385 	return ioread32(rsnd_dmapp_addr(dmac, dma, reg));  in rsnd_dmapp_read()
392 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_bset()  local
393 	void __iomem *addr = rsnd_dmapp_addr(dmac, dma, reg);  in rsnd_dmapp_bset()
440 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_attach()  local
443 	dmapp->dmapp_id = dmac->dmapp_num;  in rsnd_dmapp_attach()
446 	dmac->dmapp_num++;  in rsnd_dmapp_attach()
460 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dmapp_debug_info()  local
464 	rsnd_debugfs_reg_show(m, dmac->ppres, dmac->ppbase,  in rsnd_dmapp_debug_info()
482  *		Common DMAC Interface
488  *	RSND_xxx_I_N	for Audio DMAC input
489  *	RSND_xxx_O_N	for Audio DMAC output
490  *	RSND_xxx_I_P	for Audio DMAC peri peri input
491  *	RSND_xxx_O_P	for Audio DMAC peri peri output
494  *	      mod        / DMAC in    / DMAC out   / DMAC PP in / DMAC pp out
597  *		  mod		/ SYS-DMAC in	/ SYS-DMAC out
704 	 * -*->		Audio DMAC  in rsnd_dma_of_path()
705 	 * -o->		Audio DMAC peri peri  in rsnd_dma_of_path()
758 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);  in rsnd_dma_alloc()  local
774 	if (!dmac)  in rsnd_dma_alloc()
783 		dma_id	= dmac->dmapp_num;  in rsnd_dma_alloc()
788 		dma_id	= dmac->dmaen_num;  in rsnd_dma_alloc()
796 		dma_id	= dmac->dmaen_num;  in rsnd_dma_alloc()
845 	struct rsnd_dma_ctrl *dmac;  in rsnd_dma_probe()  local
857 	dmac = devm_kzalloc(dev, sizeof(*dmac), GFP_KERNEL);  in rsnd_dma_probe()
858 	if (!dmac) {  in rsnd_dma_probe()
873 	dmac->dmapp_num = 0;  in rsnd_dma_probe()
874 	dmac->ppres  = res->start;  in rsnd_dma_probe()
875 	dmac->ppbase = devm_ioremap_resource(dev, res);  in rsnd_dma_probe()
876 	if (IS_ERR(dmac->ppbase))  in rsnd_dma_probe()
877 		return PTR_ERR(dmac->ppbase);  in rsnd_dma_probe()
879 	priv->dma = dmac;  in rsnd_dma_probe()