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 void __iomem
*base
[RSND_BASE_MAX
];
27 struct rsnd_gen_ops
*ops
;
29 struct regmap
*regmap
[RSND_BASE_MAX
];
30 struct regmap_field
*regs
[RSND_REG_MAX
];
31 phys_addr_t res
[RSND_REG_MAX
];
34 #define rsnd_priv_to_gen(p) ((struct rsnd_gen *)(p)->gen)
36 struct rsnd_regmap_field_conf
{
38 unsigned int reg_offset
;
39 unsigned int id_offset
;
42 #define RSND_REG_SET(id, offset, _id_offset) \
45 .reg_offset = offset, \
46 .id_offset = _id_offset, \
48 /* single address mapping */
49 #define RSND_GEN_S_REG(id, offset) \
50 RSND_REG_SET(RSND_REG_##id, offset, 0)
52 /* multi address mapping */
53 #define RSND_GEN_M_REG(id, offset, _id_offset) \
54 RSND_REG_SET(RSND_REG_##id, offset, _id_offset)
59 static int rsnd_is_accessible_reg(struct rsnd_priv
*priv
,
60 struct rsnd_gen
*gen
, enum rsnd_reg reg
)
62 if (!gen
->regs
[reg
]) {
63 struct device
*dev
= rsnd_priv_to_dev(priv
);
65 dev_err(dev
, "unsupported register access %x\n", reg
);
72 u32
rsnd_read(struct rsnd_priv
*priv
,
73 struct rsnd_mod
*mod
, enum rsnd_reg reg
)
75 struct device
*dev
= rsnd_priv_to_dev(priv
);
76 struct rsnd_gen
*gen
= rsnd_priv_to_gen(priv
);
79 if (!rsnd_is_accessible_reg(priv
, gen
, reg
))
82 dev_dbg(dev
, "r %s[%d] - %4d : %08x\n",
83 rsnd_mod_name(mod
), rsnd_mod_id(mod
), reg
, val
);
85 regmap_fields_read(gen
->regs
[reg
], rsnd_mod_id(mod
), &val
);
90 void rsnd_write(struct rsnd_priv
*priv
,
92 enum rsnd_reg reg
, u32 data
)
94 struct device
*dev
= rsnd_priv_to_dev(priv
);
95 struct rsnd_gen
*gen
= rsnd_priv_to_gen(priv
);
97 if (!rsnd_is_accessible_reg(priv
, gen
, reg
))
100 dev_dbg(dev
, "w %s[%d] - %4d : %08x\n",
101 rsnd_mod_name(mod
), rsnd_mod_id(mod
), reg
, data
);
103 regmap_fields_write(gen
->regs
[reg
], rsnd_mod_id(mod
), data
);
106 void rsnd_force_write(struct rsnd_priv
*priv
,
107 struct rsnd_mod
*mod
,
108 enum rsnd_reg reg
, u32 data
)
110 struct device
*dev
= rsnd_priv_to_dev(priv
);
111 struct rsnd_gen
*gen
= rsnd_priv_to_gen(priv
);
113 if (!rsnd_is_accessible_reg(priv
, gen
, reg
))
116 dev_dbg(dev
, "w %s[%d] - %4d : %08x\n",
117 rsnd_mod_name(mod
), rsnd_mod_id(mod
), reg
, data
);
119 regmap_fields_force_write(gen
->regs
[reg
], rsnd_mod_id(mod
), data
);
122 void rsnd_bset(struct rsnd_priv
*priv
, struct rsnd_mod
*mod
,
123 enum rsnd_reg reg
, u32 mask
, u32 data
)
125 struct device
*dev
= rsnd_priv_to_dev(priv
);
126 struct rsnd_gen
*gen
= rsnd_priv_to_gen(priv
);
128 if (!rsnd_is_accessible_reg(priv
, gen
, reg
))
131 dev_dbg(dev
, "b %s[%d] - %4d : %08x/%08x\n",
132 rsnd_mod_name(mod
), rsnd_mod_id(mod
), reg
, data
, mask
);
134 regmap_fields_update_bits(gen
->regs
[reg
], rsnd_mod_id(mod
),
138 phys_addr_t
rsnd_gen_get_phy_addr(struct rsnd_priv
*priv
, int reg_id
)
140 struct rsnd_gen
*gen
= rsnd_priv_to_gen(priv
);
142 return gen
->res
[reg_id
];
145 #define rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf) \
146 _rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf, ARRAY_SIZE(conf))
147 static int _rsnd_gen_regmap_init(struct rsnd_priv
*priv
,
151 struct rsnd_regmap_field_conf
*conf
,
154 struct platform_device
*pdev
= rsnd_priv_to_pdev(priv
);
155 struct rsnd_gen
*gen
= rsnd_priv_to_gen(priv
);
156 struct device
*dev
= rsnd_priv_to_dev(priv
);
157 struct resource
*res
;
158 struct regmap_config regc
;
159 struct regmap_field
*regs
;
160 struct regmap
*regmap
;
161 struct reg_field regf
;
165 memset(®c
, 0, sizeof(regc
));
171 res
= platform_get_resource_byname(pdev
, IORESOURCE_MEM
, name
);
173 res
= platform_get_resource(pdev
, IORESOURCE_MEM
, reg_id
);
177 base
= devm_ioremap_resource(dev
, res
);
179 return PTR_ERR(base
);
181 regmap
= devm_regmap_init_mmio(dev
, base
, ®c
);
183 return PTR_ERR(regmap
);
185 gen
->base
[reg_id
] = base
;
186 gen
->regmap
[reg_id
] = regmap
;
187 gen
->res
[reg_id
] = res
->start
;
189 for (i
= 0; i
< conf_size
; i
++) {
191 regf
.reg
= conf
[i
].reg_offset
;
192 regf
.id_offset
= conf
[i
].id_offset
;
195 regf
.id_size
= id_size
;
197 regs
= devm_regmap_field_alloc(dev
, regmap
, regf
);
199 return PTR_ERR(regs
);
201 gen
->regs
[conf
[i
].idx
] = regs
;
210 static int rsnd_gen2_probe(struct platform_device
*pdev
,
211 struct rsnd_priv
*priv
)
213 struct rsnd_regmap_field_conf conf_ssiu
[] = {
214 RSND_GEN_S_REG(SSI_MODE0
, 0x800),
215 RSND_GEN_S_REG(SSI_MODE1
, 0x804),
216 /* FIXME: it needs SSI_MODE2/3 in the future */
217 RSND_GEN_M_REG(SSI_BUSIF_MODE
, 0x0, 0x80),
218 RSND_GEN_M_REG(SSI_BUSIF_ADINR
, 0x4, 0x80),
219 RSND_GEN_M_REG(SSI_BUSIF_DALIGN
,0x8, 0x80),
220 RSND_GEN_M_REG(SSI_CTRL
, 0x10, 0x80),
221 RSND_GEN_M_REG(SSI_INT_ENABLE
, 0x18, 0x80),
223 struct rsnd_regmap_field_conf conf_scu
[] = {
224 RSND_GEN_M_REG(SRC_BUSIF_MODE
, 0x0, 0x20),
225 RSND_GEN_M_REG(SRC_BUSIF_DALIGN
,0x8, 0x20),
226 RSND_GEN_M_REG(SRC_ROUTE_MODE0
, 0xc, 0x20),
227 RSND_GEN_M_REG(SRC_CTRL
, 0x10, 0x20),
228 RSND_GEN_M_REG(SRC_INT_ENABLE0
, 0x18, 0x20),
229 RSND_GEN_M_REG(CMD_ROUTE_SLCT
, 0x18c, 0x20),
230 RSND_GEN_M_REG(CMD_CTRL
, 0x190, 0x20),
231 RSND_GEN_S_REG(SCU_SYS_STATUS0
, 0x1c8),
232 RSND_GEN_S_REG(SCU_SYS_INT_EN0
, 0x1cc),
233 RSND_GEN_S_REG(SCU_SYS_STATUS1
, 0x1d0),
234 RSND_GEN_S_REG(SCU_SYS_INT_EN1
, 0x1c4),
235 RSND_GEN_M_REG(SRC_SWRSR
, 0x200, 0x40),
236 RSND_GEN_M_REG(SRC_SRCIR
, 0x204, 0x40),
237 RSND_GEN_M_REG(SRC_ADINR
, 0x214, 0x40),
238 RSND_GEN_M_REG(SRC_IFSCR
, 0x21c, 0x40),
239 RSND_GEN_M_REG(SRC_IFSVR
, 0x220, 0x40),
240 RSND_GEN_M_REG(SRC_SRCCR
, 0x224, 0x40),
241 RSND_GEN_M_REG(SRC_BSDSR
, 0x22c, 0x40),
242 RSND_GEN_M_REG(SRC_BSISR
, 0x238, 0x40),
243 RSND_GEN_M_REG(CTU_CTUIR
, 0x504, 0x100),
244 RSND_GEN_M_REG(CTU_ADINR
, 0x508, 0x100),
245 RSND_GEN_M_REG(MIX_SWRSR
, 0xd00, 0x40),
246 RSND_GEN_M_REG(MIX_MIXIR
, 0xd04, 0x40),
247 RSND_GEN_M_REG(MIX_ADINR
, 0xd08, 0x40),
248 RSND_GEN_M_REG(MIX_MIXMR
, 0xd10, 0x40),
249 RSND_GEN_M_REG(MIX_MVPDR
, 0xd14, 0x40),
250 RSND_GEN_M_REG(MIX_MDBAR
, 0xd18, 0x40),
251 RSND_GEN_M_REG(MIX_MDBBR
, 0xd1c, 0x40),
252 RSND_GEN_M_REG(MIX_MDBCR
, 0xd20, 0x40),
253 RSND_GEN_M_REG(MIX_MDBDR
, 0xd24, 0x40),
254 RSND_GEN_M_REG(MIX_MDBER
, 0xd28, 0x40),
255 RSND_GEN_M_REG(DVC_SWRSR
, 0xe00, 0x100),
256 RSND_GEN_M_REG(DVC_DVUIR
, 0xe04, 0x100),
257 RSND_GEN_M_REG(DVC_ADINR
, 0xe08, 0x100),
258 RSND_GEN_M_REG(DVC_DVUCR
, 0xe10, 0x100),
259 RSND_GEN_M_REG(DVC_ZCMCR
, 0xe14, 0x100),
260 RSND_GEN_M_REG(DVC_VRCTR
, 0xe18, 0x100),
261 RSND_GEN_M_REG(DVC_VRPDR
, 0xe1c, 0x100),
262 RSND_GEN_M_REG(DVC_VRDBR
, 0xe20, 0x100),
263 RSND_GEN_M_REG(DVC_VOL0R
, 0xe28, 0x100),
264 RSND_GEN_M_REG(DVC_VOL1R
, 0xe2c, 0x100),
265 RSND_GEN_M_REG(DVC_DVUER
, 0xe48, 0x100),
267 struct rsnd_regmap_field_conf conf_adg
[] = {
268 RSND_GEN_S_REG(BRRA
, 0x00),
269 RSND_GEN_S_REG(BRRB
, 0x04),
270 RSND_GEN_S_REG(SSICKR
, 0x08),
271 RSND_GEN_S_REG(AUDIO_CLK_SEL0
, 0x0c),
272 RSND_GEN_S_REG(AUDIO_CLK_SEL1
, 0x10),
273 RSND_GEN_S_REG(AUDIO_CLK_SEL2
, 0x14),
274 RSND_GEN_S_REG(DIV_EN
, 0x30),
275 RSND_GEN_S_REG(SRCIN_TIMSEL0
, 0x34),
276 RSND_GEN_S_REG(SRCIN_TIMSEL1
, 0x38),
277 RSND_GEN_S_REG(SRCIN_TIMSEL2
, 0x3c),
278 RSND_GEN_S_REG(SRCIN_TIMSEL3
, 0x40),
279 RSND_GEN_S_REG(SRCIN_TIMSEL4
, 0x44),
280 RSND_GEN_S_REG(SRCOUT_TIMSEL0
, 0x48),
281 RSND_GEN_S_REG(SRCOUT_TIMSEL1
, 0x4c),
282 RSND_GEN_S_REG(SRCOUT_TIMSEL2
, 0x50),
283 RSND_GEN_S_REG(SRCOUT_TIMSEL3
, 0x54),
284 RSND_GEN_S_REG(SRCOUT_TIMSEL4
, 0x58),
285 RSND_GEN_S_REG(CMDOUT_TIMSEL
, 0x5c),
287 struct rsnd_regmap_field_conf conf_ssi
[] = {
288 RSND_GEN_M_REG(SSICR
, 0x00, 0x40),
289 RSND_GEN_M_REG(SSISR
, 0x04, 0x40),
290 RSND_GEN_M_REG(SSITDR
, 0x08, 0x40),
291 RSND_GEN_M_REG(SSIRDR
, 0x0c, 0x40),
292 RSND_GEN_M_REG(SSIWSR
, 0x20, 0x40),
299 ret_ssiu
= rsnd_gen_regmap_init(priv
, 10, RSND_GEN2_SSIU
, "ssiu", conf_ssiu
);
300 ret_scu
= rsnd_gen_regmap_init(priv
, 10, RSND_GEN2_SCU
, "scu", conf_scu
);
301 ret_adg
= rsnd_gen_regmap_init(priv
, 10, RSND_GEN2_ADG
, "adg", conf_adg
);
302 ret_ssi
= rsnd_gen_regmap_init(priv
, 10, RSND_GEN2_SSI
, "ssi", conf_ssi
);
307 return ret_ssiu
| ret_scu
| ret_adg
| ret_ssi
;
316 static int rsnd_gen1_probe(struct platform_device
*pdev
,
317 struct rsnd_priv
*priv
)
319 struct rsnd_regmap_field_conf conf_sru
[] = {
320 RSND_GEN_S_REG(SRC_ROUTE_SEL
, 0x00),
321 RSND_GEN_S_REG(SRC_TMG_SEL0
, 0x08),
322 RSND_GEN_S_REG(SRC_TMG_SEL1
, 0x0c),
323 RSND_GEN_S_REG(SRC_TMG_SEL2
, 0x10),
324 RSND_GEN_S_REG(SRC_ROUTE_CTRL
, 0xc0),
325 RSND_GEN_S_REG(SSI_MODE0
, 0xD0),
326 RSND_GEN_S_REG(SSI_MODE1
, 0xD4),
327 RSND_GEN_M_REG(SRC_BUSIF_MODE
, 0x20, 0x4),
328 RSND_GEN_M_REG(SRC_ROUTE_MODE0
, 0x50, 0x8),
329 RSND_GEN_M_REG(SRC_SWRSR
, 0x200, 0x40),
330 RSND_GEN_M_REG(SRC_SRCIR
, 0x204, 0x40),
331 RSND_GEN_M_REG(SRC_ADINR
, 0x214, 0x40),
332 RSND_GEN_M_REG(SRC_IFSCR
, 0x21c, 0x40),
333 RSND_GEN_M_REG(SRC_IFSVR
, 0x220, 0x40),
334 RSND_GEN_M_REG(SRC_SRCCR
, 0x224, 0x40),
335 RSND_GEN_M_REG(SRC_MNFSR
, 0x228, 0x40),
347 struct rsnd_regmap_field_conf conf_adg
[] = {
348 RSND_GEN_S_REG(BRRA
, 0x00),
349 RSND_GEN_S_REG(BRRB
, 0x04),
350 RSND_GEN_S_REG(SSICKR
, 0x08),
351 RSND_GEN_S_REG(AUDIO_CLK_SEL0
, 0x0c),
352 RSND_GEN_S_REG(AUDIO_CLK_SEL1
, 0x10),
353 RSND_GEN_S_REG(AUDIO_CLK_SEL3
, 0x18),
354 RSND_GEN_S_REG(AUDIO_CLK_SEL4
, 0x1c),
355 RSND_GEN_S_REG(AUDIO_CLK_SEL5
, 0x20),
357 struct rsnd_regmap_field_conf conf_ssi
[] = {
358 RSND_GEN_M_REG(SSICR
, 0x00, 0x40),
359 RSND_GEN_M_REG(SSISR
, 0x04, 0x40),
360 RSND_GEN_M_REG(SSITDR
, 0x08, 0x40),
361 RSND_GEN_M_REG(SSIRDR
, 0x0c, 0x40),
362 RSND_GEN_M_REG(SSIWSR
, 0x20, 0x40),
368 ret_sru
= rsnd_gen_regmap_init(priv
, 9, RSND_GEN1_SRU
, "sru", conf_sru
);
369 ret_adg
= rsnd_gen_regmap_init(priv
, 9, RSND_GEN1_ADG
, "adg", conf_adg
);
370 ret_ssi
= rsnd_gen_regmap_init(priv
, 9, RSND_GEN1_SSI
, "ssi", conf_ssi
);
374 return ret_sru
| ret_adg
| ret_ssi
;
382 static void rsnd_of_parse_gen(struct platform_device
*pdev
,
383 const struct rsnd_of_data
*of_data
,
384 struct rsnd_priv
*priv
)
386 struct rcar_snd_info
*info
= priv
->info
;
391 info
->flags
= of_data
->flags
;
394 int rsnd_gen_probe(struct platform_device
*pdev
,
395 const struct rsnd_of_data
*of_data
,
396 struct rsnd_priv
*priv
)
398 struct device
*dev
= rsnd_priv_to_dev(priv
);
399 struct rsnd_gen
*gen
;
402 rsnd_of_parse_gen(pdev
, of_data
, priv
);
404 gen
= devm_kzalloc(dev
, sizeof(*gen
), GFP_KERNEL
);
406 dev_err(dev
, "GEN allocate failed\n");
413 if (rsnd_is_gen1(priv
))
414 ret
= rsnd_gen1_probe(pdev
, priv
);
415 else if (rsnd_is_gen2(priv
))
416 ret
= rsnd_gen2_probe(pdev
, priv
);
419 dev_err(dev
, "unknown generation R-Car sound device\n");