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];
36 #define rsnd_priv_to_gen(p) ((struct rsnd_gen *)(p)->gen)
38 struct rsnd_regmap_field_conf {
40 unsigned int reg_offset;
41 unsigned int id_offset;
44 #define RSND_REG_SET(id, offset, _id_offset) \
47 .reg_offset = offset, \
48 .id_offset = _id_offset, \
50 /* single address mapping */
51 #define RSND_GEN_S_REG(id, offset) \
52 RSND_REG_SET(RSND_REG_##id, offset, 0)
54 /* multi address mapping */
55 #define RSND_GEN_M_REG(id, offset, _id_offset) \
56 RSND_REG_SET(RSND_REG_##id, offset, _id_offset)
61 static int rsnd_is_accessible_reg(struct rsnd_priv *priv,
62 struct rsnd_gen *gen, enum rsnd_reg reg)
64 if (!gen->regs[reg]) {
65 struct device *dev = rsnd_priv_to_dev(priv);
67 dev_err(dev, "unsupported register access %x\n", reg);
74 u32 rsnd_read(struct rsnd_priv *priv,
75 struct rsnd_mod *mod, enum rsnd_reg reg)
77 struct device *dev = rsnd_priv_to_dev(priv);
78 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
81 if (!rsnd_is_accessible_reg(priv, gen, reg))
84 regmap_fields_read(gen->regs[reg], rsnd_mod_id(mod), &val);
86 dev_dbg(dev, "r %s[%d] - %4d : %08x\n",
87 rsnd_mod_name(mod), rsnd_mod_id(mod), reg, val);
92 void rsnd_write(struct rsnd_priv *priv,
94 enum rsnd_reg reg, u32 data)
96 struct device *dev = rsnd_priv_to_dev(priv);
97 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
99 if (!rsnd_is_accessible_reg(priv, gen, reg))
102 dev_dbg(dev, "w %s[%d] - %4d : %08x\n",
103 rsnd_mod_name(mod), rsnd_mod_id(mod), reg, data);
105 regmap_fields_write(gen->regs[reg], rsnd_mod_id(mod), data);
108 void rsnd_force_write(struct rsnd_priv *priv,
109 struct rsnd_mod *mod,
110 enum rsnd_reg reg, u32 data)
112 struct device *dev = rsnd_priv_to_dev(priv);
113 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
115 if (!rsnd_is_accessible_reg(priv, gen, reg))
118 dev_dbg(dev, "w %s[%d] - %4d : %08x\n",
119 rsnd_mod_name(mod), rsnd_mod_id(mod), reg, data);
121 regmap_fields_force_write(gen->regs[reg], rsnd_mod_id(mod), data);
124 void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod,
125 enum rsnd_reg reg, u32 mask, u32 data)
127 struct device *dev = rsnd_priv_to_dev(priv);
128 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
130 if (!rsnd_is_accessible_reg(priv, gen, reg))
133 dev_dbg(dev, "b %s[%d] - %4d : %08x/%08x\n",
134 rsnd_mod_name(mod), rsnd_mod_id(mod), reg, data, mask);
136 regmap_fields_update_bits(gen->regs[reg], rsnd_mod_id(mod),
140 phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id)
142 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
144 return gen->res[reg_id];
147 #define rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf) \
148 _rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf, ARRAY_SIZE(conf))
149 static int _rsnd_gen_regmap_init(struct rsnd_priv *priv,
153 struct rsnd_regmap_field_conf *conf,
156 struct platform_device *pdev = rsnd_priv_to_pdev(priv);
157 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
158 struct device *dev = rsnd_priv_to_dev(priv);
159 struct resource *res;
160 struct regmap_config regc;
161 struct regmap_field *regs;
162 struct regmap *regmap;
163 struct reg_field regf;
167 memset(®c, 0, sizeof(regc));
173 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
175 res = platform_get_resource(pdev, IORESOURCE_MEM, reg_id);
179 base = devm_ioremap_resource(dev, res);
181 return PTR_ERR(base);
183 regmap = devm_regmap_init_mmio(dev, base, ®c);
185 return PTR_ERR(regmap);
187 /* RSND_BASE_MAX base */
188 gen->base[reg_id] = base;
189 gen->regmap[reg_id] = regmap;
190 gen->res[reg_id] = res->start;
192 for (i = 0; i < conf_size; i++) {
194 regf.reg = conf[i].reg_offset;
195 regf.id_offset = conf[i].id_offset;
198 regf.id_size = id_size;
200 regs = devm_regmap_field_alloc(dev, regmap, regf);
202 return PTR_ERR(regs);
204 /* RSND_REG_MAX base */
205 gen->regs[conf[i].idx] = regs;
214 static int rsnd_gen2_probe(struct platform_device *pdev,
215 struct rsnd_priv *priv)
217 struct rsnd_regmap_field_conf conf_ssiu[] = {
218 RSND_GEN_S_REG(SSI_MODE0, 0x800),
219 RSND_GEN_S_REG(SSI_MODE1, 0x804),
220 /* FIXME: it needs SSI_MODE2/3 in the future */
221 RSND_GEN_M_REG(SSI_BUSIF_MODE, 0x0, 0x80),
222 RSND_GEN_M_REG(SSI_BUSIF_ADINR, 0x4, 0x80),
223 RSND_GEN_M_REG(SSI_BUSIF_DALIGN,0x8, 0x80),
224 RSND_GEN_M_REG(SSI_CTRL, 0x10, 0x80),
225 RSND_GEN_M_REG(SSI_INT_ENABLE, 0x18, 0x80),
227 struct rsnd_regmap_field_conf conf_scu[] = {
228 RSND_GEN_M_REG(SRC_BUSIF_MODE, 0x0, 0x20),
229 RSND_GEN_M_REG(SRC_BUSIF_DALIGN,0x8, 0x20),
230 RSND_GEN_M_REG(SRC_ROUTE_MODE0, 0xc, 0x20),
231 RSND_GEN_M_REG(SRC_CTRL, 0x10, 0x20),
232 RSND_GEN_M_REG(SRC_INT_ENABLE0, 0x18, 0x20),
233 RSND_GEN_M_REG(CMD_ROUTE_SLCT, 0x18c, 0x20),
234 RSND_GEN_M_REG(CMD_CTRL, 0x190, 0x20),
235 RSND_GEN_S_REG(SCU_SYS_STATUS0, 0x1c8),
236 RSND_GEN_S_REG(SCU_SYS_INT_EN0, 0x1cc),
237 RSND_GEN_S_REG(SCU_SYS_STATUS1, 0x1d0),
238 RSND_GEN_S_REG(SCU_SYS_INT_EN1, 0x1d4),
239 RSND_GEN_M_REG(SRC_SWRSR, 0x200, 0x40),
240 RSND_GEN_M_REG(SRC_SRCIR, 0x204, 0x40),
241 RSND_GEN_M_REG(SRC_ADINR, 0x214, 0x40),
242 RSND_GEN_M_REG(SRC_IFSCR, 0x21c, 0x40),
243 RSND_GEN_M_REG(SRC_IFSVR, 0x220, 0x40),
244 RSND_GEN_M_REG(SRC_SRCCR, 0x224, 0x40),
245 RSND_GEN_M_REG(SRC_BSDSR, 0x22c, 0x40),
246 RSND_GEN_M_REG(SRC_BSISR, 0x238, 0x40),
247 RSND_GEN_M_REG(CTU_CTUIR, 0x504, 0x100),
248 RSND_GEN_M_REG(CTU_ADINR, 0x508, 0x100),
249 RSND_GEN_M_REG(MIX_SWRSR, 0xd00, 0x40),
250 RSND_GEN_M_REG(MIX_MIXIR, 0xd04, 0x40),
251 RSND_GEN_M_REG(MIX_ADINR, 0xd08, 0x40),
252 RSND_GEN_M_REG(MIX_MIXMR, 0xd10, 0x40),
253 RSND_GEN_M_REG(MIX_MVPDR, 0xd14, 0x40),
254 RSND_GEN_M_REG(MIX_MDBAR, 0xd18, 0x40),
255 RSND_GEN_M_REG(MIX_MDBBR, 0xd1c, 0x40),
256 RSND_GEN_M_REG(MIX_MDBCR, 0xd20, 0x40),
257 RSND_GEN_M_REG(MIX_MDBDR, 0xd24, 0x40),
258 RSND_GEN_M_REG(MIX_MDBER, 0xd28, 0x40),
259 RSND_GEN_M_REG(DVC_SWRSR, 0xe00, 0x100),
260 RSND_GEN_M_REG(DVC_DVUIR, 0xe04, 0x100),
261 RSND_GEN_M_REG(DVC_ADINR, 0xe08, 0x100),
262 RSND_GEN_M_REG(DVC_DVUCR, 0xe10, 0x100),
263 RSND_GEN_M_REG(DVC_ZCMCR, 0xe14, 0x100),
264 RSND_GEN_M_REG(DVC_VRCTR, 0xe18, 0x100),
265 RSND_GEN_M_REG(DVC_VRPDR, 0xe1c, 0x100),
266 RSND_GEN_M_REG(DVC_VRDBR, 0xe20, 0x100),
267 RSND_GEN_M_REG(DVC_VOL0R, 0xe28, 0x100),
268 RSND_GEN_M_REG(DVC_VOL1R, 0xe2c, 0x100),
269 RSND_GEN_M_REG(DVC_DVUER, 0xe48, 0x100),
271 struct rsnd_regmap_field_conf conf_adg[] = {
272 RSND_GEN_S_REG(BRRA, 0x00),
273 RSND_GEN_S_REG(BRRB, 0x04),
274 RSND_GEN_S_REG(SSICKR, 0x08),
275 RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c),
276 RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10),
277 RSND_GEN_S_REG(AUDIO_CLK_SEL2, 0x14),
278 RSND_GEN_S_REG(DIV_EN, 0x30),
279 RSND_GEN_S_REG(SRCIN_TIMSEL0, 0x34),
280 RSND_GEN_S_REG(SRCIN_TIMSEL1, 0x38),
281 RSND_GEN_S_REG(SRCIN_TIMSEL2, 0x3c),
282 RSND_GEN_S_REG(SRCIN_TIMSEL3, 0x40),
283 RSND_GEN_S_REG(SRCIN_TIMSEL4, 0x44),
284 RSND_GEN_S_REG(SRCOUT_TIMSEL0, 0x48),
285 RSND_GEN_S_REG(SRCOUT_TIMSEL1, 0x4c),
286 RSND_GEN_S_REG(SRCOUT_TIMSEL2, 0x50),
287 RSND_GEN_S_REG(SRCOUT_TIMSEL3, 0x54),
288 RSND_GEN_S_REG(SRCOUT_TIMSEL4, 0x58),
289 RSND_GEN_S_REG(CMDOUT_TIMSEL, 0x5c),
291 struct rsnd_regmap_field_conf conf_ssi[] = {
292 RSND_GEN_M_REG(SSICR, 0x00, 0x40),
293 RSND_GEN_M_REG(SSISR, 0x04, 0x40),
294 RSND_GEN_M_REG(SSITDR, 0x08, 0x40),
295 RSND_GEN_M_REG(SSIRDR, 0x0c, 0x40),
296 RSND_GEN_M_REG(SSIWSR, 0x20, 0x40),
303 ret_ssiu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSIU, "ssiu", conf_ssiu);
304 ret_scu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SCU, "scu", conf_scu);
305 ret_adg = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_ADG, "adg", conf_adg);
306 ret_ssi = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSI, "ssi", conf_ssi);
311 return ret_ssiu | ret_scu | ret_adg | ret_ssi;
320 static int rsnd_gen1_probe(struct platform_device *pdev,
321 struct rsnd_priv *priv)
323 struct rsnd_regmap_field_conf conf_sru[] = {
324 RSND_GEN_S_REG(SRC_ROUTE_SEL, 0x00),
325 RSND_GEN_S_REG(SRC_TMG_SEL0, 0x08),
326 RSND_GEN_S_REG(SRC_TMG_SEL1, 0x0c),
327 RSND_GEN_S_REG(SRC_TMG_SEL2, 0x10),
328 RSND_GEN_S_REG(SRC_ROUTE_CTRL, 0xc0),
329 RSND_GEN_S_REG(SSI_MODE0, 0xD0),
330 RSND_GEN_S_REG(SSI_MODE1, 0xD4),
331 RSND_GEN_M_REG(SRC_BUSIF_MODE, 0x20, 0x4),
332 RSND_GEN_M_REG(SRC_ROUTE_MODE0, 0x50, 0x8),
333 RSND_GEN_M_REG(SRC_SWRSR, 0x200, 0x40),
334 RSND_GEN_M_REG(SRC_SRCIR, 0x204, 0x40),
335 RSND_GEN_M_REG(SRC_ADINR, 0x214, 0x40),
336 RSND_GEN_M_REG(SRC_IFSCR, 0x21c, 0x40),
337 RSND_GEN_M_REG(SRC_IFSVR, 0x220, 0x40),
338 RSND_GEN_M_REG(SRC_SRCCR, 0x224, 0x40),
339 RSND_GEN_M_REG(SRC_MNFSR, 0x228, 0x40),
351 struct rsnd_regmap_field_conf conf_adg[] = {
352 RSND_GEN_S_REG(BRRA, 0x00),
353 RSND_GEN_S_REG(BRRB, 0x04),
354 RSND_GEN_S_REG(SSICKR, 0x08),
355 RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c),
356 RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10),
357 RSND_GEN_S_REG(AUDIO_CLK_SEL3, 0x18),
358 RSND_GEN_S_REG(AUDIO_CLK_SEL4, 0x1c),
359 RSND_GEN_S_REG(AUDIO_CLK_SEL5, 0x20),
361 struct rsnd_regmap_field_conf conf_ssi[] = {
362 RSND_GEN_M_REG(SSICR, 0x00, 0x40),
363 RSND_GEN_M_REG(SSISR, 0x04, 0x40),
364 RSND_GEN_M_REG(SSITDR, 0x08, 0x40),
365 RSND_GEN_M_REG(SSIRDR, 0x0c, 0x40),
366 RSND_GEN_M_REG(SSIWSR, 0x20, 0x40),
372 ret_sru = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_SRU, "sru", conf_sru);
373 ret_adg = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_ADG, "adg", conf_adg);
374 ret_ssi = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_SSI, "ssi", conf_ssi);
378 return ret_sru | ret_adg | ret_ssi;
386 static void rsnd_of_parse_gen(struct platform_device *pdev,
387 const struct rsnd_of_data *of_data,
388 struct rsnd_priv *priv)
390 struct rcar_snd_info *info = priv->info;
395 info->flags = of_data->flags;
398 int rsnd_gen_probe(struct platform_device *pdev,
399 const struct rsnd_of_data *of_data,
400 struct rsnd_priv *priv)
402 struct device *dev = rsnd_priv_to_dev(priv);
403 struct rsnd_gen *gen;
406 rsnd_of_parse_gen(pdev, of_data, priv);
408 gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL);
410 dev_err(dev, "GEN allocate failed\n");
417 if (rsnd_is_gen1(priv))
418 ret = rsnd_gen1_probe(pdev, priv);
419 else if (rsnd_is_gen2(priv))
420 ret = rsnd_gen2_probe(pdev, priv);
423 dev_err(dev, "unknown generation R-Car sound device\n");