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");