1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Renesas R-Car Gen1 SRU/SSI support
4 //
5 // Copyright (C) 2013 Renesas Solutions Corp.
6 // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
7 
8 /*
9  * #define DEBUG
10  *
11  * you can also add below in
12  * ${LINUX}/drivers/base/regmap/regmap.c
13  * for regmap debug
14  *
15  * #define LOG_DEVICE "xxxx.rcar_sound"
16  */
17 
18 #include "rsnd.h"
19 
20 struct rsnd_gen {
21 	struct rsnd_gen_ops *ops;
22 
23 	/* RSND_BASE_MAX base */
24 	void __iomem *base[RSND_BASE_MAX];
25 	phys_addr_t res[RSND_BASE_MAX];
26 	struct regmap *regmap[RSND_BASE_MAX];
27 
28 	/* RSND_REG_MAX base */
29 	struct regmap_field *regs[REG_MAX];
30 	const char *reg_name[REG_MAX];
31 };
32 
33 #define rsnd_priv_to_gen(p)	((struct rsnd_gen *)(p)->gen)
34 #define rsnd_reg_name(gen, id)	((gen)->reg_name[id])
35 
36 struct rsnd_regmap_field_conf {
37 	int idx;
38 	unsigned int reg_offset;
39 	unsigned int id_offset;
40 	const char *reg_name;
41 };
42 
43 #define RSND_REG_SET(id, offset, _id_offset, n)	\
44 {						\
45 	.idx = id,				\
46 	.reg_offset = offset,			\
47 	.id_offset = _id_offset,		\
48 	.reg_name = n,				\
49 }
50 /* single address mapping */
51 #define RSND_GEN_S_REG(id, offset)	\
52 	RSND_REG_SET(id, offset, 0, #id)
53 
54 /* multi address mapping */
55 #define RSND_GEN_M_REG(id, offset, _id_offset)	\
56 	RSND_REG_SET(id, offset, _id_offset, #id)
57 
58 /*
59  *		basic function
60  */
rsnd_is_accessible_reg(struct rsnd_priv * priv,struct rsnd_gen * gen,enum rsnd_reg reg)61 static int rsnd_is_accessible_reg(struct rsnd_priv *priv,
62 				  struct rsnd_gen *gen, enum rsnd_reg reg)
63 {
64 	if (!gen->regs[reg]) {
65 		struct device *dev = rsnd_priv_to_dev(priv);
66 
67 		dev_err(dev, "unsupported register access %x\n", reg);
68 		return 0;
69 	}
70 
71 	return 1;
72 }
73 
rsnd_mod_id_cmd(struct rsnd_mod * mod)74 static int rsnd_mod_id_cmd(struct rsnd_mod *mod)
75 {
76 	if (mod->ops->id_cmd)
77 		return mod->ops->id_cmd(mod);
78 
79 	return rsnd_mod_id(mod);
80 }
81 
rsnd_mod_read(struct rsnd_mod * mod,enum rsnd_reg reg)82 u32 rsnd_mod_read(struct rsnd_mod *mod, enum rsnd_reg reg)
83 {
84 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
85 	struct device *dev = rsnd_priv_to_dev(priv);
86 	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
87 	u32 val;
88 
89 	if (!rsnd_is_accessible_reg(priv, gen, reg))
90 		return 0;
91 
92 	regmap_fields_read(gen->regs[reg], rsnd_mod_id_cmd(mod), &val);
93 
94 	dev_dbg(dev, "r %s - %-18s (%4d) : %08x\n",
95 		rsnd_mod_name(mod),
96 		rsnd_reg_name(gen, reg), reg, val);
97 
98 	return val;
99 }
100 
rsnd_mod_write(struct rsnd_mod * mod,enum rsnd_reg reg,u32 data)101 void rsnd_mod_write(struct rsnd_mod *mod,
102 		    enum rsnd_reg reg, u32 data)
103 {
104 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
105 	struct device *dev = rsnd_priv_to_dev(priv);
106 	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
107 
108 	if (!rsnd_is_accessible_reg(priv, gen, reg))
109 		return;
110 
111 	regmap_fields_force_write(gen->regs[reg], rsnd_mod_id_cmd(mod), data);
112 
113 	dev_dbg(dev, "w %s - %-18s (%4d) : %08x\n",
114 		rsnd_mod_name(mod),
115 		rsnd_reg_name(gen, reg), reg, data);
116 }
117 
rsnd_mod_bset(struct rsnd_mod * mod,enum rsnd_reg reg,u32 mask,u32 data)118 void rsnd_mod_bset(struct rsnd_mod *mod,
119 		   enum rsnd_reg reg, u32 mask, u32 data)
120 {
121 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
122 	struct device *dev = rsnd_priv_to_dev(priv);
123 	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
124 
125 	if (!rsnd_is_accessible_reg(priv, gen, reg))
126 		return;
127 
128 	regmap_fields_force_update_bits(gen->regs[reg],
129 					rsnd_mod_id_cmd(mod), mask, data);
130 
131 	dev_dbg(dev, "b %s - %-18s (%4d) : %08x/%08x\n",
132 		rsnd_mod_name(mod),
133 		rsnd_reg_name(gen, reg), reg, data, mask);
134 
135 }
136 
rsnd_gen_get_phy_addr(struct rsnd_priv * priv,int reg_id)137 phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id)
138 {
139 	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
140 
141 	return	gen->res[reg_id];
142 }
143 
144 #ifdef CONFIG_DEBUG_FS
rsnd_gen_get_base_addr(struct rsnd_priv * priv,int reg_id)145 void __iomem *rsnd_gen_get_base_addr(struct rsnd_priv *priv, int reg_id)
146 {
147 	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
148 
149 	return	gen->base[reg_id];
150 }
151 #endif
152 
153 #define rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf)		\
154 	_rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf, ARRAY_SIZE(conf))
_rsnd_gen_regmap_init(struct rsnd_priv * priv,int id_size,int reg_id,const char * name,const struct rsnd_regmap_field_conf * conf,int conf_size)155 static int _rsnd_gen_regmap_init(struct rsnd_priv *priv,
156 				 int id_size,
157 				 int reg_id,
158 				 const char *name,
159 				 const struct rsnd_regmap_field_conf *conf,
160 				 int conf_size)
161 {
162 	struct platform_device *pdev = rsnd_priv_to_pdev(priv);
163 	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
164 	struct device *dev = rsnd_priv_to_dev(priv);
165 	struct resource *res;
166 	struct regmap_config regc;
167 	struct regmap_field *regs;
168 	struct regmap *regmap;
169 	struct reg_field regf;
170 	void __iomem *base;
171 	int i;
172 
173 	memset(&regc, 0, sizeof(regc));
174 	regc.reg_bits = 32;
175 	regc.val_bits = 32;
176 	regc.reg_stride = 4;
177 	regc.name = name;
178 
179 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
180 	if (!res)
181 		return -ENODEV;
182 
183 	base = devm_ioremap_resource(dev, res);
184 	if (IS_ERR(base))
185 		return PTR_ERR(base);
186 
187 	regmap = devm_regmap_init_mmio(dev, base, &regc);
188 	if (IS_ERR(regmap))
189 		return PTR_ERR(regmap);
190 
191 	/* RSND_BASE_MAX base */
192 	gen->base[reg_id] = base;
193 	gen->regmap[reg_id] = regmap;
194 	gen->res[reg_id] = res->start;
195 
196 	for (i = 0; i < conf_size; i++) {
197 
198 		regf.reg	= conf[i].reg_offset;
199 		regf.id_offset	= conf[i].id_offset;
200 		regf.lsb	= 0;
201 		regf.msb	= 31;
202 		regf.id_size	= id_size;
203 
204 		regs = devm_regmap_field_alloc(dev, regmap, regf);
205 		if (IS_ERR(regs))
206 			return PTR_ERR(regs);
207 
208 		/* RSND_REG_MAX base */
209 		gen->regs[conf[i].idx] = regs;
210 		gen->reg_name[conf[i].idx] = conf[i].reg_name;
211 	}
212 
213 	return 0;
214 }
215 
216 /*
217  * (A) : Gen4 is 0xa0c, but it is not used.
218  *	see
219  *		rsnd_ssiu_init()
220  */
221 static const struct rsnd_regmap_field_conf conf_common_ssiu[] = {
222 	RSND_GEN_S_REG(SSI_MODE0,		0x800),
223 	RSND_GEN_S_REG(SSI_MODE1,		0x804),
224 	RSND_GEN_S_REG(SSI_MODE2,		0x808), // (A)
225 	RSND_GEN_S_REG(SSI_CONTROL,		0x810),
226 	RSND_GEN_S_REG(SSI_SYS_STATUS0,		0x840),
227 	RSND_GEN_S_REG(SSI_SYS_STATUS1,		0x844),
228 	RSND_GEN_S_REG(SSI_SYS_STATUS2,		0x848),
229 	RSND_GEN_S_REG(SSI_SYS_STATUS3,		0x84c),
230 	RSND_GEN_S_REG(SSI_SYS_STATUS4,		0x880),
231 	RSND_GEN_S_REG(SSI_SYS_STATUS5,		0x884),
232 	RSND_GEN_S_REG(SSI_SYS_STATUS6,		0x888),
233 	RSND_GEN_S_REG(SSI_SYS_STATUS7,		0x88c),
234 	RSND_GEN_S_REG(SSI_SYS_INT_ENABLE0,	0x850),
235 	RSND_GEN_S_REG(SSI_SYS_INT_ENABLE1,	0x854),
236 	RSND_GEN_S_REG(SSI_SYS_INT_ENABLE2,	0x858),
237 	RSND_GEN_S_REG(SSI_SYS_INT_ENABLE3,	0x85c),
238 	RSND_GEN_S_REG(SSI_SYS_INT_ENABLE4,	0x890),
239 	RSND_GEN_S_REG(SSI_SYS_INT_ENABLE5,	0x894),
240 	RSND_GEN_S_REG(SSI_SYS_INT_ENABLE6,	0x898),
241 	RSND_GEN_S_REG(SSI_SYS_INT_ENABLE7,	0x89c),
242 	RSND_GEN_S_REG(HDMI0_SEL,		0x9e0),
243 	RSND_GEN_S_REG(HDMI1_SEL,		0x9e4),
244 	RSND_GEN_M_REG(SSI_BUSIF0_MODE,		0x0,	0x80),
245 	RSND_GEN_M_REG(SSI_BUSIF0_ADINR,	0x4,	0x80),
246 	RSND_GEN_M_REG(SSI_BUSIF0_DALIGN,	0x8,	0x80),
247 	RSND_GEN_M_REG(SSI_BUSIF1_MODE,		0x20,	0x80),
248 	RSND_GEN_M_REG(SSI_BUSIF1_ADINR,	0x24,	0x80),
249 	RSND_GEN_M_REG(SSI_BUSIF1_DALIGN,	0x28,	0x80),
250 	RSND_GEN_M_REG(SSI_BUSIF2_MODE,		0x40,	0x80),
251 	RSND_GEN_M_REG(SSI_BUSIF2_ADINR,	0x44,	0x80),
252 	RSND_GEN_M_REG(SSI_BUSIF2_DALIGN,	0x48,	0x80),
253 	RSND_GEN_M_REG(SSI_BUSIF3_MODE,		0x60,	0x80),
254 	RSND_GEN_M_REG(SSI_BUSIF3_ADINR,	0x64,	0x80),
255 	RSND_GEN_M_REG(SSI_BUSIF3_DALIGN,	0x68,	0x80),
256 	RSND_GEN_M_REG(SSI_BUSIF4_MODE,		0x500,	0x80),
257 	RSND_GEN_M_REG(SSI_BUSIF4_ADINR,	0x504,	0x80),
258 	RSND_GEN_M_REG(SSI_BUSIF4_DALIGN,	0x508,	0x80),
259 	RSND_GEN_M_REG(SSI_BUSIF5_MODE,		0x520,	0x80),
260 	RSND_GEN_M_REG(SSI_BUSIF5_ADINR,	0x524,	0x80),
261 	RSND_GEN_M_REG(SSI_BUSIF5_DALIGN,	0x528,	0x80),
262 	RSND_GEN_M_REG(SSI_BUSIF6_MODE,		0x540,	0x80),
263 	RSND_GEN_M_REG(SSI_BUSIF6_ADINR,	0x544,	0x80),
264 	RSND_GEN_M_REG(SSI_BUSIF6_DALIGN,	0x548,	0x80),
265 	RSND_GEN_M_REG(SSI_BUSIF7_MODE,		0x560,	0x80),
266 	RSND_GEN_M_REG(SSI_BUSIF7_ADINR,	0x564,	0x80),
267 	RSND_GEN_M_REG(SSI_BUSIF7_DALIGN,	0x568,	0x80),
268 	RSND_GEN_M_REG(SSI_MODE,		0xc,	0x80),
269 	RSND_GEN_M_REG(SSI_CTRL,		0x10,	0x80),
270 	RSND_GEN_M_REG(SSI_INT_ENABLE,		0x18,	0x80),
271 	RSND_GEN_S_REG(SSI9_BUSIF0_MODE,	0x48c),
272 	RSND_GEN_S_REG(SSI9_BUSIF0_ADINR,	0x484),
273 	RSND_GEN_S_REG(SSI9_BUSIF0_DALIGN,	0x488),
274 	RSND_GEN_S_REG(SSI9_BUSIF1_MODE,	0x4a0),
275 	RSND_GEN_S_REG(SSI9_BUSIF1_ADINR,	0x4a4),
276 	RSND_GEN_S_REG(SSI9_BUSIF1_DALIGN,	0x4a8),
277 	RSND_GEN_S_REG(SSI9_BUSIF2_MODE,	0x4c0),
278 	RSND_GEN_S_REG(SSI9_BUSIF2_ADINR,	0x4c4),
279 	RSND_GEN_S_REG(SSI9_BUSIF2_DALIGN,	0x4c8),
280 	RSND_GEN_S_REG(SSI9_BUSIF3_MODE,	0x4e0),
281 	RSND_GEN_S_REG(SSI9_BUSIF3_ADINR,	0x4e4),
282 	RSND_GEN_S_REG(SSI9_BUSIF3_DALIGN,	0x4e8),
283 	RSND_GEN_S_REG(SSI9_BUSIF4_MODE,	0xd80),
284 	RSND_GEN_S_REG(SSI9_BUSIF4_ADINR,	0xd84),
285 	RSND_GEN_S_REG(SSI9_BUSIF4_DALIGN,	0xd88),
286 	RSND_GEN_S_REG(SSI9_BUSIF5_MODE,	0xda0),
287 	RSND_GEN_S_REG(SSI9_BUSIF5_ADINR,	0xda4),
288 	RSND_GEN_S_REG(SSI9_BUSIF5_DALIGN,	0xda8),
289 	RSND_GEN_S_REG(SSI9_BUSIF6_MODE,	0xdc0),
290 	RSND_GEN_S_REG(SSI9_BUSIF6_ADINR,	0xdc4),
291 	RSND_GEN_S_REG(SSI9_BUSIF6_DALIGN,	0xdc8),
292 	RSND_GEN_S_REG(SSI9_BUSIF7_MODE,	0xde0),
293 	RSND_GEN_S_REG(SSI9_BUSIF7_ADINR,	0xde4),
294 	RSND_GEN_S_REG(SSI9_BUSIF7_DALIGN,	0xde8),
295 };
296 
297 static const struct rsnd_regmap_field_conf conf_common_scu[] = {
298 	RSND_GEN_M_REG(SRC_I_BUSIF_MODE,	0x0,	0x20),
299 	RSND_GEN_M_REG(SRC_O_BUSIF_MODE,	0x4,	0x20),
300 	RSND_GEN_M_REG(SRC_BUSIF_DALIGN,	0x8,	0x20),
301 	RSND_GEN_M_REG(SRC_ROUTE_MODE0,		0xc,	0x20),
302 	RSND_GEN_M_REG(SRC_CTRL,		0x10,	0x20),
303 	RSND_GEN_M_REG(SRC_INT_ENABLE0,		0x18,	0x20),
304 	RSND_GEN_M_REG(CMD_BUSIF_MODE,		0x184,	0x20),
305 	RSND_GEN_M_REG(CMD_BUSIF_DALIGN,	0x188,	0x20),
306 	RSND_GEN_M_REG(CMD_ROUTE_SLCT,		0x18c,	0x20),
307 	RSND_GEN_M_REG(CMD_CTRL,		0x190,	0x20),
308 	RSND_GEN_S_REG(SCU_SYS_STATUS0,		0x1c8),
309 	RSND_GEN_S_REG(SCU_SYS_INT_EN0,		0x1cc),
310 	RSND_GEN_S_REG(SCU_SYS_STATUS1,		0x1d0),
311 	RSND_GEN_S_REG(SCU_SYS_INT_EN1,		0x1d4),
312 	RSND_GEN_M_REG(SRC_SWRSR,		0x200,	0x40),
313 	RSND_GEN_M_REG(SRC_SRCIR,		0x204,	0x40),
314 	RSND_GEN_M_REG(SRC_ADINR,		0x214,	0x40),
315 	RSND_GEN_M_REG(SRC_IFSCR,		0x21c,	0x40),
316 	RSND_GEN_M_REG(SRC_IFSVR,		0x220,	0x40),
317 	RSND_GEN_M_REG(SRC_SRCCR,		0x224,	0x40),
318 	RSND_GEN_M_REG(SRC_BSDSR,		0x22c,	0x40),
319 	RSND_GEN_M_REG(SRC_BSISR,		0x238,	0x40),
320 	RSND_GEN_M_REG(CTU_SWRSR,		0x500,	0x100),
321 	RSND_GEN_M_REG(CTU_CTUIR,		0x504,	0x100),
322 	RSND_GEN_M_REG(CTU_ADINR,		0x508,	0x100),
323 	RSND_GEN_M_REG(CTU_CPMDR,		0x510,	0x100),
324 	RSND_GEN_M_REG(CTU_SCMDR,		0x514,	0x100),
325 	RSND_GEN_M_REG(CTU_SV00R,		0x518,	0x100),
326 	RSND_GEN_M_REG(CTU_SV01R,		0x51c,	0x100),
327 	RSND_GEN_M_REG(CTU_SV02R,		0x520,	0x100),
328 	RSND_GEN_M_REG(CTU_SV03R,		0x524,	0x100),
329 	RSND_GEN_M_REG(CTU_SV04R,		0x528,	0x100),
330 	RSND_GEN_M_REG(CTU_SV05R,		0x52c,	0x100),
331 	RSND_GEN_M_REG(CTU_SV06R,		0x530,	0x100),
332 	RSND_GEN_M_REG(CTU_SV07R,		0x534,	0x100),
333 	RSND_GEN_M_REG(CTU_SV10R,		0x538,	0x100),
334 	RSND_GEN_M_REG(CTU_SV11R,		0x53c,	0x100),
335 	RSND_GEN_M_REG(CTU_SV12R,		0x540,	0x100),
336 	RSND_GEN_M_REG(CTU_SV13R,		0x544,	0x100),
337 	RSND_GEN_M_REG(CTU_SV14R,		0x548,	0x100),
338 	RSND_GEN_M_REG(CTU_SV15R,		0x54c,	0x100),
339 	RSND_GEN_M_REG(CTU_SV16R,		0x550,	0x100),
340 	RSND_GEN_M_REG(CTU_SV17R,		0x554,	0x100),
341 	RSND_GEN_M_REG(CTU_SV20R,		0x558,	0x100),
342 	RSND_GEN_M_REG(CTU_SV21R,		0x55c,	0x100),
343 	RSND_GEN_M_REG(CTU_SV22R,		0x560,	0x100),
344 	RSND_GEN_M_REG(CTU_SV23R,		0x564,	0x100),
345 	RSND_GEN_M_REG(CTU_SV24R,		0x568,	0x100),
346 	RSND_GEN_M_REG(CTU_SV25R,		0x56c,	0x100),
347 	RSND_GEN_M_REG(CTU_SV26R,		0x570,	0x100),
348 	RSND_GEN_M_REG(CTU_SV27R,		0x574,	0x100),
349 	RSND_GEN_M_REG(CTU_SV30R,		0x578,	0x100),
350 	RSND_GEN_M_REG(CTU_SV31R,		0x57c,	0x100),
351 	RSND_GEN_M_REG(CTU_SV32R,		0x580,	0x100),
352 	RSND_GEN_M_REG(CTU_SV33R,		0x584,	0x100),
353 	RSND_GEN_M_REG(CTU_SV34R,		0x588,	0x100),
354 	RSND_GEN_M_REG(CTU_SV35R,		0x58c,	0x100),
355 	RSND_GEN_M_REG(CTU_SV36R,		0x590,	0x100),
356 	RSND_GEN_M_REG(CTU_SV37R,		0x594,	0x100),
357 	RSND_GEN_M_REG(MIX_SWRSR,		0xd00,	0x40),
358 	RSND_GEN_M_REG(MIX_MIXIR,		0xd04,	0x40),
359 	RSND_GEN_M_REG(MIX_ADINR,		0xd08,	0x40),
360 	RSND_GEN_M_REG(MIX_MIXMR,		0xd10,	0x40),
361 	RSND_GEN_M_REG(MIX_MVPDR,		0xd14,	0x40),
362 	RSND_GEN_M_REG(MIX_MDBAR,		0xd18,	0x40),
363 	RSND_GEN_M_REG(MIX_MDBBR,		0xd1c,	0x40),
364 	RSND_GEN_M_REG(MIX_MDBCR,		0xd20,	0x40),
365 	RSND_GEN_M_REG(MIX_MDBDR,		0xd24,	0x40),
366 	RSND_GEN_M_REG(MIX_MDBER,		0xd28,	0x40),
367 	RSND_GEN_M_REG(DVC_SWRSR,		0xe00,	0x100),
368 	RSND_GEN_M_REG(DVC_DVUIR,		0xe04,	0x100),
369 	RSND_GEN_M_REG(DVC_ADINR,		0xe08,	0x100),
370 	RSND_GEN_M_REG(DVC_DVUCR,		0xe10,	0x100),
371 	RSND_GEN_M_REG(DVC_ZCMCR,		0xe14,	0x100),
372 	RSND_GEN_M_REG(DVC_VRCTR,		0xe18,	0x100),
373 	RSND_GEN_M_REG(DVC_VRPDR,		0xe1c,	0x100),
374 	RSND_GEN_M_REG(DVC_VRDBR,		0xe20,	0x100),
375 	RSND_GEN_M_REG(DVC_VOL0R,		0xe28,	0x100),
376 	RSND_GEN_M_REG(DVC_VOL1R,		0xe2c,	0x100),
377 	RSND_GEN_M_REG(DVC_VOL2R,		0xe30,	0x100),
378 	RSND_GEN_M_REG(DVC_VOL3R,		0xe34,	0x100),
379 	RSND_GEN_M_REG(DVC_VOL4R,		0xe38,	0x100),
380 	RSND_GEN_M_REG(DVC_VOL5R,		0xe3c,	0x100),
381 	RSND_GEN_M_REG(DVC_VOL6R,		0xe40,	0x100),
382 	RSND_GEN_M_REG(DVC_VOL7R,		0xe44,	0x100),
383 	RSND_GEN_M_REG(DVC_DVUER,		0xe48,	0x100),
384 };
385 
386 static const struct rsnd_regmap_field_conf conf_common_adg[] = {
387 	RSND_GEN_S_REG(BRRA,			0x00),
388 	RSND_GEN_S_REG(BRRB,			0x04),
389 	RSND_GEN_S_REG(BRGCKR,			0x08),
390 	RSND_GEN_S_REG(AUDIO_CLK_SEL0,		0x0c),
391 	RSND_GEN_S_REG(AUDIO_CLK_SEL1,		0x10),
392 	RSND_GEN_S_REG(AUDIO_CLK_SEL2,		0x14),
393 	RSND_GEN_S_REG(DIV_EN,			0x30),
394 	RSND_GEN_S_REG(SRCIN_TIMSEL0,		0x34),
395 	RSND_GEN_S_REG(SRCIN_TIMSEL1,		0x38),
396 	RSND_GEN_S_REG(SRCIN_TIMSEL2,		0x3c),
397 	RSND_GEN_S_REG(SRCIN_TIMSEL3,		0x40),
398 	RSND_GEN_S_REG(SRCIN_TIMSEL4,		0x44),
399 	RSND_GEN_S_REG(SRCOUT_TIMSEL0,		0x48),
400 	RSND_GEN_S_REG(SRCOUT_TIMSEL1,		0x4c),
401 	RSND_GEN_S_REG(SRCOUT_TIMSEL2,		0x50),
402 	RSND_GEN_S_REG(SRCOUT_TIMSEL3,		0x54),
403 	RSND_GEN_S_REG(SRCOUT_TIMSEL4,		0x58),
404 	RSND_GEN_S_REG(CMDOUT_TIMSEL,		0x5c),
405 };
406 
407 static const struct rsnd_regmap_field_conf conf_common_ssi[] = {
408 	RSND_GEN_M_REG(SSICR,			0x00,	0x40),
409 	RSND_GEN_M_REG(SSISR,			0x04,	0x40),
410 	RSND_GEN_M_REG(SSITDR,			0x08,	0x40),
411 	RSND_GEN_M_REG(SSIRDR,			0x0c,	0x40),
412 	RSND_GEN_M_REG(SSIWSR,			0x20,	0x40),
413 };
414 
415 /*
416  *		Gen4
417  */
rsnd_gen4_probe(struct rsnd_priv * priv)418 static int rsnd_gen4_probe(struct rsnd_priv *priv)
419 {
420 	struct rsnd_regmap_field_conf conf_null[] = { };
421 
422 	/*
423 	 * ssiu: SSIU0
424 	 * ssi : SSI0
425 	 */
426 	int ret_ssiu = rsnd_gen_regmap_init(priv, 1, RSND_BASE_SSIU, "ssiu", conf_common_ssiu);
427 	int ret_ssi  = rsnd_gen_regmap_init(priv, 1, RSND_BASE_SSI,  "ssi",  conf_common_ssi);
428 	int ret_adg  = rsnd_gen_regmap_init(priv, 1, RSND_BASE_ADG,  "adg",  conf_common_adg);
429 	int ret_sdmc = rsnd_gen_regmap_init(priv, 1, RSND_BASE_SDMC, "sdmc", conf_null);
430 
431 	return ret_adg | ret_ssiu | ret_ssi | ret_sdmc;
432 }
433 
434 /*
435  *		Gen2
436  */
rsnd_gen2_probe(struct rsnd_priv * priv)437 static int rsnd_gen2_probe(struct rsnd_priv *priv)
438 {
439 	/*
440 	 * ssi : SSI0  - SSI9
441 	 * ssiu: SSIU0 - SSIU9
442 	 * scu : SRC0  - SRC9 etc
443 	 */
444 	int ret_ssi  = rsnd_gen_regmap_init(priv, 10, RSND_BASE_SSI,  "ssi",  conf_common_ssi);
445 	int ret_ssiu = rsnd_gen_regmap_init(priv, 10, RSND_BASE_SSIU, "ssiu", conf_common_ssiu);
446 	int ret_scu  = rsnd_gen_regmap_init(priv, 10, RSND_BASE_SCU,  "scu",  conf_common_scu);
447 	int ret_adg  = rsnd_gen_regmap_init(priv,  1, RSND_BASE_ADG,  "adg",  conf_common_adg);
448 
449 	return ret_ssi | ret_ssiu | ret_scu | ret_adg;
450 }
451 
452 /*
453  *		Gen1
454  */
455 
rsnd_gen1_probe(struct rsnd_priv * priv)456 static int rsnd_gen1_probe(struct rsnd_priv *priv)
457 {
458 	/*
459 	 * ssi : SSI0 - SSI8
460 	 */
461 	int ret_ssi  = rsnd_gen_regmap_init(priv, 9, RSND_BASE_SSI, "ssi", conf_common_ssi);
462 	int ret_adg  = rsnd_gen_regmap_init(priv, 1, RSND_BASE_ADG, "adg", conf_common_adg);
463 
464 	return ret_adg | ret_ssi;
465 }
466 
467 /*
468  *		Gen
469  */
rsnd_gen_probe(struct rsnd_priv * priv)470 int rsnd_gen_probe(struct rsnd_priv *priv)
471 {
472 	struct device *dev = rsnd_priv_to_dev(priv);
473 	struct rsnd_gen *gen;
474 	int ret;
475 
476 	gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL);
477 	if (!gen)
478 		return -ENOMEM;
479 
480 	priv->gen = gen;
481 
482 	ret = -ENODEV;
483 	if (rsnd_is_gen1(priv))
484 		ret = rsnd_gen1_probe(priv);
485 	else if (rsnd_is_gen2(priv) ||
486 		 rsnd_is_gen3(priv))
487 		ret = rsnd_gen2_probe(priv);
488 	else if (rsnd_is_gen4(priv))
489 		ret = rsnd_gen4_probe(priv);
490 
491 	if (ret < 0)
492 		dev_err(dev, "unknown generation R-Car sound device\n");
493 
494 	return ret;
495 }
496