1 // SPDX-License-Identifier: GPL-2.0
3 // Renesas R-Car SSIU support
9 #define SSIU_NAME "ssiu"
13 	u32 busif_status[8]; /* for BUSIF0 - BUSIF7 */
23 #define rsnd_ssiu_nr(priv) ((priv)->ssiu_nr)
28 		     ((pos) = ((struct rsnd_ssiu *)(priv)->ssiu + i));	\
33  *	0	BUSIF0-3	BUSIF0-7
34  *	1	BUSIF0-3	BUSIF0-7
35  *	2	BUSIF0-3	BUSIF0-7
36  *	3	BUSIF0		BUSIF0-7
37  *	4	BUSIF0		BUSIF0-7
42  *	9	BUSIF0-3	BUSIF0-7
52 	struct rsnd_ssiu *ssiu = rsnd_mod_to_ssiu(mod);  in rsnd_ssiu_get_status()  local
55 	return &ssiu->busif_status[busif];  in rsnd_ssiu_get_status()
74 	case 2:  in rsnd_ssiu_init()
78 			rsnd_mod_write(mod, SSI_SYS_STATUS(i * 2), 0xf << (id * 4));  in rsnd_ssiu_init()
82 			rsnd_mod_write(mod, SSI_SYS_STATUS((i * 2) + 1), 0xf << 4);  in rsnd_ssiu_init()
126 	if (ssis & (1 << 2))  in rsnd_ssiu_init()
127 		val1 |= is_clk_master ?	0x2 << 2 :  in rsnd_ssiu_init()
128 					0x1 << 2;  in rsnd_ssiu_init()
153 	struct rsnd_ssiu *ssiu = rsnd_mod_to_ssiu(mod);  in rsnd_ssiu_init_gen2()  local
163 	ssiu->usrcnt++;  in rsnd_ssiu_init_gen2()
259 	struct rsnd_ssiu *ssiu = rsnd_mod_to_ssiu(mod);  in rsnd_ssiu_stop_gen2()  local
267 	if (--ssiu->usrcnt)  in rsnd_ssiu_stop_gen2()
278 	struct rsnd_ssiu *ssiu = rsnd_mod_to_ssiu(mod);  in rsnd_ssiu_id()  local
281 	return ssiu->id;  in rsnd_ssiu_id()
286 	struct rsnd_ssiu *ssiu = rsnd_mod_to_ssiu(mod);  in rsnd_ssiu_id_sub()  local
289 	return ssiu->id_sub;  in rsnd_ssiu_id_sub()
300 	 * It should use "rcar_sound,ssiu" on DT.  in rsnd_ssiu_dma_req()
303 	 * If it has "rcar_sound.ssiu", it will be used.  in rsnd_ssiu_dma_req()
330 	return rsnd_mod_get((struct rsnd_ssiu *)(priv->ssiu) + id);  in rsnd_ssiu_mod_get()
338 	struct rsnd_ssiu *ssiu;  in rsnd_parse_connect_ssiu_compatible()  local
345 	for_each_rsnd_ssiu(ssiu, priv, i) {  in rsnd_parse_connect_ssiu_compatible()
346 		mod = rsnd_mod_get(ssiu);  in rsnd_parse_connect_ssiu_compatible()
350 			rsnd_dai_connect(mod, io, mod->type);  in rsnd_parse_connect_ssiu_compatible()
364 	struct rsnd_dai_stream *io_p = &rdai->playback;  in rsnd_parse_connect_ssiu()
365 	struct rsnd_dai_stream *io_c = &rdai->capture;  in rsnd_parse_connect_ssiu()
368 	/* use rcar_sound,ssiu if exist */  in rsnd_parse_connect_ssiu()
374 				rsnd_dai_connect(mod, io_p, mod->type);  in rsnd_parse_connect_ssiu()
376 				rsnd_dai_connect(mod, io_c, mod->type);  in rsnd_parse_connect_ssiu()
394 	struct rsnd_ssiu *ssiu;  in rsnd_ssiu_probe()  local
401 	 * if it has "rcar_sound,ssiu", use it.  in rsnd_ssiu_probe()
410 		nr = priv->ssi_nr;  in rsnd_ssiu_probe()
412 	ssiu	= devm_kcalloc(dev, nr, sizeof(*ssiu), GFP_KERNEL);  in rsnd_ssiu_probe()
413 	if (!ssiu)  in rsnd_ssiu_probe()
414 		return -ENOMEM;  in rsnd_ssiu_probe()
416 	priv->ssiu	= ssiu;  in rsnd_ssiu_probe()
417 	priv->ssiu_nr	= nr;  in rsnd_ssiu_probe()
428 		ops->id		= rsnd_ssiu_id;  in rsnd_ssiu_probe()
429 		ops->id_sub	= rsnd_ssiu_id_sub;  in rsnd_ssiu_probe()
438 			dev_err(dev, "unknown SSIU\n");  in rsnd_ssiu_probe()
439 			return -ENODEV;  in rsnd_ssiu_probe()
443 	for_each_rsnd_ssiu(ssiu, priv, i) {  in rsnd_ssiu_probe()
455 				ssiu->id	= j;  in rsnd_ssiu_probe()
456 				ssiu->id_sub	= i - list[ssiu->id];  in rsnd_ssiu_probe()
459 			ssiu->id = i;  in rsnd_ssiu_probe()
462 		ret = rsnd_mod_init(priv, rsnd_mod_get(ssiu),  in rsnd_ssiu_probe()
473 	struct rsnd_ssiu *ssiu;  in rsnd_ssiu_remove()  local
476 	for_each_rsnd_ssiu(ssiu, priv, i) {  in rsnd_ssiu_remove()
477 		rsnd_mod_quit(rsnd_mod_get(ssiu));  in rsnd_ssiu_remove()