2 * Renesas R-Car Gen1 SRU/SSI support
4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
15 * you can also add below in
16 * ${LINUX}/drivers/base/regmap/regmap.c
19 * #define LOG_DEVICE "xxxx.rcar_sound"
25 struct rsnd_gen_ops
*ops
;
27 /* RSND_BASE_MAX base */
28 void __iomem
*base
[RSND_BASE_MAX
];
29 phys_addr_t res
[RSND_BASE_MAX
];
30 struct regmap
*regmap
[RSND_BASE_MAX
];
32 /* RSND_REG_MAX base */
33 struct regmap_field
*regs
[RSND_REG_MAX
];
34 const char *reg_name
[RSND_REG_MAX
];
37 #define rsnd_priv_to_gen(p) ((struct rsnd_gen *)(p)->gen)
38 #define rsnd_reg_name(gen, id) ((gen)->reg_name[id])
40 struct rsnd_regmap_field_conf
{
42 unsigned int reg_offset
;
43 unsigned int id_offset
;
47 #define RSND_REG_SET(id, offset, _id_offset, n) \
50 .reg_offset = offset, \
51 .id_offset = _id_offset, \
54 /* single address mapping */
55 #define RSND_GEN_S_REG(id, offset) \
56 RSND_REG_SET(RSND_REG_##id, offset, 0, #id)
58 /* multi address mapping */
59 #define RSND_GEN_M_REG(id, offset, _id_offset) \
60 RSND_REG_SET(RSND_REG_##id, offset, _id_offset, #id)
65 static int rsnd_is_accessible_reg(struct rsnd_priv
*priv
,
66 struct rsnd_gen
*gen
, enum rsnd_reg reg
)
68 if (!gen
->regs
[reg
]) {
69 struct device
*dev
= rsnd_priv_to_dev(priv
);
71 dev_err(dev
, "unsupported register access %x\n", reg
);
78 u32
rsnd_read(struct rsnd_priv
*priv
,
79 struct rsnd_mod
*mod
, enum rsnd_reg reg
)
81 struct device
*dev
= rsnd_priv_to_dev(priv
);
82 struct rsnd_gen
*gen
= rsnd_priv_to_gen(priv
);
85 if (!rsnd_is_accessible_reg(priv
, gen
, reg
))
88 regmap_fields_read(gen
->regs
[reg
], rsnd_mod_id(mod
), &val
);
90 dev_dbg(dev
, "r %s[%d] - %-18s (%4d) : %08x\n",
91 rsnd_mod_name(mod
), rsnd_mod_id(mod
),
92 rsnd_reg_name(gen
, reg
), reg
, val
);
97 void rsnd_write(struct rsnd_priv
*priv
,
99 enum rsnd_reg reg
, u32 data
)
101 struct device
*dev
= rsnd_priv_to_dev(priv
);
102 struct rsnd_gen
*gen
= rsnd_priv_to_gen(priv
);
104 if (!rsnd_is_accessible_reg(priv
, gen
, reg
))
107 regmap_fields_write(gen
->regs
[reg
], rsnd_mod_id(mod
), data
);
109 dev_dbg(dev
, "w %s[%d] - %-18s (%4d) : %08x\n",
110 rsnd_mod_name(mod
), rsnd_mod_id(mod
),
111 rsnd_reg_name(gen
, reg
), reg
, data
);
114 void rsnd_force_write(struct rsnd_priv
*priv
,
115 struct rsnd_mod
*mod
,
116 enum rsnd_reg reg
, u32 data
)
118 struct device
*dev
= rsnd_priv_to_dev(priv
);
119 struct rsnd_gen
*gen
= rsnd_priv_to_gen(priv
);
121 if (!rsnd_is_accessible_reg(priv
, gen
, reg
))
124 regmap_fields_force_write(gen
->regs
[reg
], rsnd_mod_id(mod
), data
);
126 dev_dbg(dev
, "w %s[%d] - %-18s (%4d) : %08x\n",
127 rsnd_mod_name(mod
), rsnd_mod_id(mod
),
128 rsnd_reg_name(gen
, reg
), reg
, data
);
131 void rsnd_bset(struct rsnd_priv
*priv
, struct rsnd_mod
*mod
,
132 enum rsnd_reg reg
, u32 mask
, u32 data
)
134 struct device
*dev
= rsnd_priv_to_dev(priv
);
135 struct rsnd_gen
*gen
= rsnd_priv_to_gen(priv
);
137 if (!rsnd_is_accessible_reg(priv
, gen
, reg
))
140 regmap_fields_update_bits(gen
->regs
[reg
], rsnd_mod_id(mod
),
143 dev_dbg(dev
, "b %s[%d] - %-18s (%4d) : %08x/%08x\n",
144 rsnd_mod_name(mod
), rsnd_mod_id(mod
),
145 rsnd_reg_name(gen
, reg
), reg
, data
, mask
);
149 phys_addr_t
rsnd_gen_get_phy_addr(struct rsnd_priv
*priv
, int reg_id
)
151 struct rsnd_gen
*gen
= rsnd_priv_to_gen(priv
);
153 return gen
->res
[reg_id
];
156 #define rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf) \
157 _rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf, ARRAY_SIZE(conf))
158 static int _rsnd_gen_regmap_init(struct rsnd_priv
*priv
,
162 const struct rsnd_regmap_field_conf
*conf
,
165 struct platform_device
*pdev
= rsnd_priv_to_pdev(priv
);
166 struct rsnd_gen
*gen
= rsnd_priv_to_gen(priv
);
167 struct device
*dev
= rsnd_priv_to_dev(priv
);
168 struct resource
*res
;
169 struct regmap_config regc
;
170 struct regmap_field
*regs
;
171 struct regmap
*regmap
;
172 struct reg_field regf
;
176 memset(®c
, 0, sizeof(regc
));
182 res
= platform_get_resource_byname(pdev
, IORESOURCE_MEM
, name
);
184 res
= platform_get_resource(pdev
, IORESOURCE_MEM
, reg_id
);
188 base
= devm_ioremap_resource(dev
, res
);
190 return PTR_ERR(base
);
192 regmap
= devm_regmap_init_mmio(dev
, base
, ®c
);
194 return PTR_ERR(regmap
);
196 /* RSND_BASE_MAX base */
197 gen
->base
[reg_id
] = base
;
198 gen
->regmap
[reg_id
] = regmap
;
199 gen
->res
[reg_id
] = res
->start
;
201 for (i
= 0; i
< conf_size
; i
++) {
203 regf
.reg
= conf
[i
].reg_offset
;
204 regf
.id_offset
= conf
[i
].id_offset
;
207 regf
.id_size
= id_size
;
209 regs
= devm_regmap_field_alloc(dev
, regmap
, regf
);
211 return PTR_ERR(regs
);
213 /* RSND_REG_MAX base */
214 gen
->regs
[conf
[i
].idx
] = regs
;
215 gen
->reg_name
[conf
[i
].idx
] = conf
[i
].reg_name
;
224 static int rsnd_gen2_probe(struct rsnd_priv
*priv
)
226 const static struct rsnd_regmap_field_conf conf_ssiu
[] = {
227 RSND_GEN_S_REG(SSI_MODE0
, 0x800),
228 RSND_GEN_S_REG(SSI_MODE1
, 0x804),
229 RSND_GEN_S_REG(SSI_MODE2
, 0x808),
230 RSND_GEN_S_REG(SSI_CONTROL
, 0x810),
232 /* FIXME: it needs SSI_MODE2/3 in the future */
233 RSND_GEN_M_REG(SSI_BUSIF_MODE
, 0x0, 0x80),
234 RSND_GEN_M_REG(SSI_BUSIF_ADINR
, 0x4, 0x80),
235 RSND_GEN_M_REG(SSI_BUSIF_DALIGN
,0x8, 0x80),
236 RSND_GEN_M_REG(SSI_MODE
, 0xc, 0x80),
237 RSND_GEN_M_REG(SSI_CTRL
, 0x10, 0x80),
238 RSND_GEN_M_REG(SSI_INT_ENABLE
, 0x18, 0x80),
241 const static struct rsnd_regmap_field_conf conf_scu
[] = {
242 RSND_GEN_M_REG(SRC_I_BUSIF_MODE
,0x0, 0x20),
243 RSND_GEN_M_REG(SRC_O_BUSIF_MODE
,0x4, 0x20),
244 RSND_GEN_M_REG(SRC_BUSIF_DALIGN
,0x8, 0x20),
245 RSND_GEN_M_REG(SRC_ROUTE_MODE0
, 0xc, 0x20),
246 RSND_GEN_M_REG(SRC_CTRL
, 0x10, 0x20),
247 RSND_GEN_M_REG(SRC_INT_ENABLE0
, 0x18, 0x20),
248 RSND_GEN_M_REG(CMD_BUSIF_DALIGN
,0x188, 0x20),
249 RSND_GEN_M_REG(CMD_ROUTE_SLCT
, 0x18c, 0x20),
250 RSND_GEN_M_REG(CMD_CTRL
, 0x190, 0x20),
251 RSND_GEN_S_REG(SCU_SYS_STATUS0
, 0x1c8),
252 RSND_GEN_S_REG(SCU_SYS_INT_EN0
, 0x1cc),
253 RSND_GEN_S_REG(SCU_SYS_STATUS1
, 0x1d0),
254 RSND_GEN_S_REG(SCU_SYS_INT_EN1
, 0x1d4),
255 RSND_GEN_M_REG(SRC_SWRSR
, 0x200, 0x40),
256 RSND_GEN_M_REG(SRC_SRCIR
, 0x204, 0x40),
257 RSND_GEN_M_REG(SRC_ADINR
, 0x214, 0x40),
258 RSND_GEN_M_REG(SRC_IFSCR
, 0x21c, 0x40),
259 RSND_GEN_M_REG(SRC_IFSVR
, 0x220, 0x40),
260 RSND_GEN_M_REG(SRC_SRCCR
, 0x224, 0x40),
261 RSND_GEN_M_REG(SRC_BSDSR
, 0x22c, 0x40),
262 RSND_GEN_M_REG(SRC_BSISR
, 0x238, 0x40),
263 RSND_GEN_M_REG(CTU_CTUIR
, 0x504, 0x100),
264 RSND_GEN_M_REG(CTU_ADINR
, 0x508, 0x100),
265 RSND_GEN_M_REG(MIX_SWRSR
, 0xd00, 0x40),
266 RSND_GEN_M_REG(MIX_MIXIR
, 0xd04, 0x40),
267 RSND_GEN_M_REG(MIX_ADINR
, 0xd08, 0x40),
268 RSND_GEN_M_REG(MIX_MIXMR
, 0xd10, 0x40),
269 RSND_GEN_M_REG(MIX_MVPDR
, 0xd14, 0x40),
270 RSND_GEN_M_REG(MIX_MDBAR
, 0xd18, 0x40),
271 RSND_GEN_M_REG(MIX_MDBBR
, 0xd1c, 0x40),
272 RSND_GEN_M_REG(MIX_MDBCR
, 0xd20, 0x40),
273 RSND_GEN_M_REG(MIX_MDBDR
, 0xd24, 0x40),
274 RSND_GEN_M_REG(MIX_MDBER
, 0xd28, 0x40),
275 RSND_GEN_M_REG(DVC_SWRSR
, 0xe00, 0x100),
276 RSND_GEN_M_REG(DVC_DVUIR
, 0xe04, 0x100),
277 RSND_GEN_M_REG(DVC_ADINR
, 0xe08, 0x100),
278 RSND_GEN_M_REG(DVC_DVUCR
, 0xe10, 0x100),
279 RSND_GEN_M_REG(DVC_ZCMCR
, 0xe14, 0x100),
280 RSND_GEN_M_REG(DVC_VRCTR
, 0xe18, 0x100),
281 RSND_GEN_M_REG(DVC_VRPDR
, 0xe1c, 0x100),
282 RSND_GEN_M_REG(DVC_VRDBR
, 0xe20, 0x100),
283 RSND_GEN_M_REG(DVC_VOL0R
, 0xe28, 0x100),
284 RSND_GEN_M_REG(DVC_VOL1R
, 0xe2c, 0x100),
285 RSND_GEN_M_REG(DVC_VOL2R
, 0xe30, 0x100),
286 RSND_GEN_M_REG(DVC_VOL3R
, 0xe34, 0x100),
287 RSND_GEN_M_REG(DVC_VOL4R
, 0xe38, 0x100),
288 RSND_GEN_M_REG(DVC_VOL5R
, 0xe3c, 0x100),
289 RSND_GEN_M_REG(DVC_VOL6R
, 0xe40, 0x100),
290 RSND_GEN_M_REG(DVC_VOL7R
, 0xe44, 0x100),
291 RSND_GEN_M_REG(DVC_DVUER
, 0xe48, 0x100),
293 const static struct rsnd_regmap_field_conf conf_adg
[] = {
294 RSND_GEN_S_REG(BRRA
, 0x00),
295 RSND_GEN_S_REG(BRRB
, 0x04),
296 RSND_GEN_S_REG(SSICKR
, 0x08),
297 RSND_GEN_S_REG(AUDIO_CLK_SEL0
, 0x0c),
298 RSND_GEN_S_REG(AUDIO_CLK_SEL1
, 0x10),
299 RSND_GEN_S_REG(AUDIO_CLK_SEL2
, 0x14),
300 RSND_GEN_S_REG(DIV_EN
, 0x30),
301 RSND_GEN_S_REG(SRCIN_TIMSEL0
, 0x34),
302 RSND_GEN_S_REG(SRCIN_TIMSEL1
, 0x38),
303 RSND_GEN_S_REG(SRCIN_TIMSEL2
, 0x3c),
304 RSND_GEN_S_REG(SRCIN_TIMSEL3
, 0x40),
305 RSND_GEN_S_REG(SRCIN_TIMSEL4
, 0x44),
306 RSND_GEN_S_REG(SRCOUT_TIMSEL0
, 0x48),
307 RSND_GEN_S_REG(SRCOUT_TIMSEL1
, 0x4c),
308 RSND_GEN_S_REG(SRCOUT_TIMSEL2
, 0x50),
309 RSND_GEN_S_REG(SRCOUT_TIMSEL3
, 0x54),
310 RSND_GEN_S_REG(SRCOUT_TIMSEL4
, 0x58),
311 RSND_GEN_S_REG(CMDOUT_TIMSEL
, 0x5c),
313 const static struct rsnd_regmap_field_conf conf_ssi
[] = {
314 RSND_GEN_M_REG(SSICR
, 0x00, 0x40),
315 RSND_GEN_M_REG(SSISR
, 0x04, 0x40),
316 RSND_GEN_M_REG(SSITDR
, 0x08, 0x40),
317 RSND_GEN_M_REG(SSIRDR
, 0x0c, 0x40),
318 RSND_GEN_M_REG(SSIWSR
, 0x20, 0x40),
325 ret_ssiu
= rsnd_gen_regmap_init(priv
, 10, RSND_GEN2_SSIU
, "ssiu", conf_ssiu
);
326 ret_scu
= rsnd_gen_regmap_init(priv
, 10, RSND_GEN2_SCU
, "scu", conf_scu
);
327 ret_adg
= rsnd_gen_regmap_init(priv
, 10, RSND_GEN2_ADG
, "adg", conf_adg
);
328 ret_ssi
= rsnd_gen_regmap_init(priv
, 10, RSND_GEN2_SSI
, "ssi", conf_ssi
);
333 return ret_ssiu
| ret_scu
| ret_adg
| ret_ssi
;
342 static int rsnd_gen1_probe(struct rsnd_priv
*priv
)
344 const static struct rsnd_regmap_field_conf conf_adg
[] = {
345 RSND_GEN_S_REG(BRRA
, 0x00),
346 RSND_GEN_S_REG(BRRB
, 0x04),
347 RSND_GEN_S_REG(SSICKR
, 0x08),
348 RSND_GEN_S_REG(AUDIO_CLK_SEL0
, 0x0c),
349 RSND_GEN_S_REG(AUDIO_CLK_SEL1
, 0x10),
351 const static struct rsnd_regmap_field_conf conf_ssi
[] = {
352 RSND_GEN_M_REG(SSICR
, 0x00, 0x40),
353 RSND_GEN_M_REG(SSISR
, 0x04, 0x40),
354 RSND_GEN_M_REG(SSITDR
, 0x08, 0x40),
355 RSND_GEN_M_REG(SSIRDR
, 0x0c, 0x40),
356 RSND_GEN_M_REG(SSIWSR
, 0x20, 0x40),
361 ret_adg
= rsnd_gen_regmap_init(priv
, 9, RSND_GEN1_ADG
, "adg", conf_adg
);
362 ret_ssi
= rsnd_gen_regmap_init(priv
, 9, RSND_GEN1_SSI
, "ssi", conf_ssi
);
365 return ret_adg
| ret_ssi
;
373 int rsnd_gen_probe(struct rsnd_priv
*priv
)
375 struct device
*dev
= rsnd_priv_to_dev(priv
);
376 struct rsnd_gen
*gen
;
379 gen
= devm_kzalloc(dev
, sizeof(*gen
), GFP_KERNEL
);
381 dev_err(dev
, "GEN allocate failed\n");
388 if (rsnd_is_gen1(priv
))
389 ret
= rsnd_gen1_probe(priv
);
390 else if (rsnd_is_gen2(priv
))
391 ret
= rsnd_gen2_probe(priv
);
394 dev_err(dev
, "unknown generation R-Car sound device\n");