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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[deliverable/linux.git] / sound / soc / sh / rcar / gen.c
CommitLineData
3337744a
KM		 1/*
2 * Renesas R-Car Gen1 SRU/SSI support
3 *
4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
6 *
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.
10 */
ace0eb1e
KM		 11
12/*
13 * #define DEBUG
14 *
15 * you can also add below in
16 * ${LINUX}/drivers/base/regmap/regmap.c
17 * for regmap debug
18 *
19 * #define LOG_DEVICE "xxxx.rcar_sound"
20 */
21
3337744a
KM		 22#include "rsnd.h"
23
3337744a 24struct rsnd_gen {
3337744a 25 struct rsnd_gen_ops *ops;
55e5b6fd 26
9993c16d
KM		 27 /* RSND_BASE_MAX base */
28 void __iomem *base[RSND_BASE_MAX];
29 phys_addr_t res[RSND_BASE_MAX];
b8c63786 30 struct regmap *regmap[RSND_BASE_MAX];
9993c16d
KM		 31
32 /* RSND_REG_MAX base */
55e5b6fd 33 struct regmap_field *regs[RSND_REG_MAX];
0719ecf7 34 const char *reg_name[RSND_REG_MAX];
3337744a
KM		 35};
36
37#define rsnd_priv_to_gen(p) ((struct rsnd_gen *)(p)->gen)
0719ecf7 38#define rsnd_reg_name(gen, id) ((gen)->reg_name[id])
3337744a 39
b8c63786
KM		 40struct rsnd_regmap_field_conf {
41 int idx;
42 unsigned int reg_offset;
43 unsigned int id_offset;
0719ecf7 44 const char *reg_name;
b8c63786 45};
55e5b6fd 46
0719ecf7 47#define RSND_REG_SET(id, offset, _id_offset, n) \
b8c63786
KM		 48{ \
49 .idx = id, \
50 .reg_offset = offset, \
51 .id_offset = _id_offset, \
0719ecf7 52 .reg_name = n, \
55e5b6fd 53}
b8c63786
KM		 54/* single address mapping */
55#define RSND_GEN_S_REG(id, offset) \
0719ecf7 56 RSND_REG_SET(RSND_REG_##id, offset, 0, #id)
55e5b6fd 57
b8c63786
KM		 58/* multi address mapping */
59#define RSND_GEN_M_REG(id, offset, _id_offset) \
0719ecf7 60 RSND_REG_SET(RSND_REG_##id, offset, _id_offset, #id)
55e5b6fd 61
b8c63786
KM		 62/*
63 * basic function
64 */
42ee5d22
KM		 65static int rsnd_is_accessible_reg(struct rsnd_priv *priv,
66 struct rsnd_gen *gen, enum rsnd_reg reg)
67{
68 if (!gen->regs[reg]) {
69 struct device *dev = rsnd_priv_to_dev(priv);
70
71 dev_err(dev, "unsupported register access %x\n", reg);
72 return 0;
73 }
74
75 return 1;
76}
77
55e5b6fd
KM		 78u32 rsnd_read(struct rsnd_priv *priv,
79 struct rsnd_mod *mod, enum rsnd_reg reg)
80{
b8c63786 81 struct device *dev = rsnd_priv_to_dev(priv);
55e5b6fd
KM		 82 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
83 u32 val;
84
42ee5d22
KM		 85 if (!rsnd_is_accessible_reg(priv, gen, reg))
86 return 0;
87
c9b9638f
KM		 88 regmap_fields_read(gen->regs[reg], rsnd_mod_id(mod), &val);
89
0719ecf7
KM		 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);
55e5b6fd
KM		 93
94 return val;
95}
96
97void rsnd_write(struct rsnd_priv *priv,
98 struct rsnd_mod *mod,
99 enum rsnd_reg reg, u32 data)
100{
b8c63786 101 struct device *dev = rsnd_priv_to_dev(priv);
55e5b6fd
KM		 102 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
103
7b47ab47
KM		 104 if (!rsnd_is_accessible_reg(priv, gen, reg))
105 return;
106
7b47ab47 107 regmap_fields_force_write(gen->regs[reg], rsnd_mod_id(mod), data);
0719ecf7
KM		 108
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);
55e5b6fd
KM		 112}
113
114void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod,
115 enum rsnd_reg reg, u32 mask, u32 data)
116{
4f8f86aa 117 struct device *dev = rsnd_priv_to_dev(priv);
55e5b6fd
KM		 118 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
119
42ee5d22
KM		 120 if (!rsnd_is_accessible_reg(priv, gen, reg))
121 return;
122
b3fc95ad
KM		 123 regmap_fields_force_update_bits(gen->regs[reg],
124 rsnd_mod_id(mod), mask, data);
0719ecf7
KM		 125
126 dev_dbg(dev, "b %s[%d] - %-18s (%4d) : %08x/%08x\n",
127 rsnd_mod_name(mod), rsnd_mod_id(mod),
128 rsnd_reg_name(gen, reg), reg, data, mask);
129
55e5b6fd
KM		 130}
131
c5212b45
KM		 132phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id)
133{
134 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
135
136 return gen->res[reg_id];
137}
138
7277911c
KM		 139#define rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf) \
140 _rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf, ARRAY_SIZE(conf))
b8c63786
KM		 141static int _rsnd_gen_regmap_init(struct rsnd_priv *priv,
142 int id_size,
143 int reg_id,
7277911c 144 const char *name,
0719ecf7 145 const struct rsnd_regmap_field_conf *conf,
b8c63786 146 int conf_size)
c1e6cc5e 147{
b8c63786
KM		 148 struct platform_device *pdev = rsnd_priv_to_pdev(priv);
149 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
c1e6cc5e 150 struct device *dev = rsnd_priv_to_dev(priv);
b8c63786 151 struct resource *res;
c1e6cc5e 152 struct regmap_config regc;
b8c63786
KM		 153 struct regmap_field *regs;
154 struct regmap *regmap;
155 struct reg_field regf;
156 void __iomem *base;
157 int i;
c1e6cc5e
KM		 158
159 memset(&regc, 0, sizeof(regc));
160 regc.reg_bits = 32;
161 regc.val_bits = 32;
b8c63786 162 regc.reg_stride = 4;
530b7b4a 163 regc.name = name;
c1e6cc5e 164
7277911c
KM		 165 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
166 if (!res)
167 res = platform_get_resource(pdev, IORESOURCE_MEM, reg_id);
b8c63786
KM		 168 if (!res)
169 return -ENODEV;
170
171 base = devm_ioremap_resource(dev, res);
172 if (IS_ERR(base))
173 return PTR_ERR(base);
c1e6cc5e 174
b8c63786
KM		 175 regmap = devm_regmap_init_mmio(dev, base, &regc);
176 if (IS_ERR(regmap))
177 return PTR_ERR(regmap);
42ee5d22 178
9993c16d 179 /* RSND_BASE_MAX base */
b8c63786
KM		 180 gen->base[reg_id] = base;
181 gen->regmap[reg_id] = regmap;
c5212b45 182 gen->res[reg_id] = res->start;
c1e6cc5e 183
b8c63786
KM		 184 for (i = 0; i < conf_size; i++) {
185
186 regf.reg = conf[i].reg_offset;
187 regf.id_offset = conf[i].id_offset;
188 regf.lsb = 0;
189 regf.msb = 31;
190 regf.id_size = id_size;
191
192 regs = devm_regmap_field_alloc(dev, regmap, regf);
193 if (IS_ERR(regs))
194 return PTR_ERR(regs);
195
9993c16d 196 /* RSND_REG_MAX base */
b8c63786 197 gen->regs[conf[i].idx] = regs;
0719ecf7 198 gen->reg_name[conf[i].idx] = conf[i].reg_name;
c1e6cc5e
KM		 199 }
200
201 return 0;
202}
3337744a 203
994a9df1
KM		 204/*
205 * Gen2
994a9df1 206 */
2ea6b074 207static int rsnd_gen2_probe(struct rsnd_priv *priv)
507d466c 208{
cc9bdcf2 209 static const struct rsnd_regmap_field_conf conf_ssiu[] = {
b8c63786
KM		 210 RSND_GEN_S_REG(SSI_MODE0, 0x800),
211 RSND_GEN_S_REG(SSI_MODE1, 0x804),
b4c83b17
KM		 212 RSND_GEN_S_REG(SSI_MODE2, 0x808),
213 RSND_GEN_S_REG(SSI_CONTROL, 0x810),
214
b8c63786
KM		 215 /* FIXME: it needs SSI_MODE2/3 in the future */
216 RSND_GEN_M_REG(SSI_BUSIF_MODE, 0x0, 0x80),
217 RSND_GEN_M_REG(SSI_BUSIF_ADINR, 0x4, 0x80),
cdde84d1 218 RSND_GEN_M_REG(SSI_BUSIF_DALIGN,0x8, 0x80),
186fadc1 219 RSND_GEN_M_REG(SSI_MODE, 0xc, 0x80),
b8c63786 220 RSND_GEN_M_REG(SSI_CTRL, 0x10, 0x80),
efa991dc 221 RSND_GEN_M_REG(SSI_INT_ENABLE, 0x18, 0x80),
b8c63786 222 };
bf4e8d7c 223
cc9bdcf2 224 static const struct rsnd_regmap_field_conf conf_scu[] = {
bf4e8d7c
KM		 225 RSND_GEN_M_REG(SRC_I_BUSIF_MODE,0x0, 0x20),
226 RSND_GEN_M_REG(SRC_O_BUSIF_MODE,0x4, 0x20),
4689032b 227 RSND_GEN_M_REG(SRC_BUSIF_DALIGN,0x8, 0x20),
b8c63786
KM		 228 RSND_GEN_M_REG(SRC_ROUTE_MODE0, 0xc, 0x20),
229 RSND_GEN_M_REG(SRC_CTRL, 0x10, 0x20),
cfcefe01 230 RSND_GEN_M_REG(SRC_INT_ENABLE0, 0x18, 0x20),
a504b1ee 231 RSND_GEN_M_REG(CMD_BUSIF_DALIGN,0x188, 0x20),
b8c63786
KM		 232 RSND_GEN_M_REG(CMD_ROUTE_SLCT, 0x18c, 0x20),
233 RSND_GEN_M_REG(CMD_CTRL, 0x190, 0x20),
cfcefe01
KM		 234 RSND_GEN_S_REG(SCU_SYS_STATUS0, 0x1c8),
235 RSND_GEN_S_REG(SCU_SYS_INT_EN0, 0x1cc),
236 RSND_GEN_S_REG(SCU_SYS_STATUS1, 0x1d0),
021c5d94 237 RSND_GEN_S_REG(SCU_SYS_INT_EN1, 0x1d4),
b8c63786
KM		 238 RSND_GEN_M_REG(SRC_SWRSR, 0x200, 0x40),
239 RSND_GEN_M_REG(SRC_SRCIR, 0x204, 0x40),
240 RSND_GEN_M_REG(SRC_ADINR, 0x214, 0x40),
241 RSND_GEN_M_REG(SRC_IFSCR, 0x21c, 0x40),
242 RSND_GEN_M_REG(SRC_IFSVR, 0x220, 0x40),
243 RSND_GEN_M_REG(SRC_SRCCR, 0x224, 0x40),
244 RSND_GEN_M_REG(SRC_BSDSR, 0x22c, 0x40),
245 RSND_GEN_M_REG(SRC_BSISR, 0x238, 0x40),
bd9a603f 246 RSND_GEN_M_REG(CTU_SWRSR, 0x500, 0x100),
9269e3c3
KM		 247 RSND_GEN_M_REG(CTU_CTUIR, 0x504, 0x100),
248 RSND_GEN_M_REG(CTU_ADINR, 0x508, 0x100),
dc037afd
KM		 249 RSND_GEN_M_REG(CTU_CPMDR, 0x510, 0x100),
250 RSND_GEN_M_REG(CTU_SCMDR, 0x514, 0x100),
251 RSND_GEN_M_REG(CTU_SV00R, 0x518, 0x100),
252 RSND_GEN_M_REG(CTU_SV01R, 0x51c, 0x100),
253 RSND_GEN_M_REG(CTU_SV02R, 0x520, 0x100),
254 RSND_GEN_M_REG(CTU_SV03R, 0x524, 0x100),
255 RSND_GEN_M_REG(CTU_SV04R, 0x528, 0x100),
256 RSND_GEN_M_REG(CTU_SV05R, 0x52c, 0x100),
257 RSND_GEN_M_REG(CTU_SV06R, 0x530, 0x100),
258 RSND_GEN_M_REG(CTU_SV07R, 0x534, 0x100),
259 RSND_GEN_M_REG(CTU_SV10R, 0x538, 0x100),
260 RSND_GEN_M_REG(CTU_SV11R, 0x53c, 0x100),
261 RSND_GEN_M_REG(CTU_SV12R, 0x540, 0x100),
262 RSND_GEN_M_REG(CTU_SV13R, 0x544, 0x100),
263 RSND_GEN_M_REG(CTU_SV14R, 0x548, 0x100),
264 RSND_GEN_M_REG(CTU_SV15R, 0x54c, 0x100),
265 RSND_GEN_M_REG(CTU_SV16R, 0x550, 0x100),
266 RSND_GEN_M_REG(CTU_SV17R, 0x554, 0x100),
267 RSND_GEN_M_REG(CTU_SV20R, 0x558, 0x100),
268 RSND_GEN_M_REG(CTU_SV21R, 0x55c, 0x100),
269 RSND_GEN_M_REG(CTU_SV22R, 0x560, 0x100),
270 RSND_GEN_M_REG(CTU_SV23R, 0x564, 0x100),
271 RSND_GEN_M_REG(CTU_SV24R, 0x568, 0x100),
272 RSND_GEN_M_REG(CTU_SV25R, 0x56c, 0x100),
273 RSND_GEN_M_REG(CTU_SV26R, 0x570, 0x100),
274 RSND_GEN_M_REG(CTU_SV27R, 0x574, 0x100),
275 RSND_GEN_M_REG(CTU_SV30R, 0x578, 0x100),
276 RSND_GEN_M_REG(CTU_SV31R, 0x57c, 0x100),
277 RSND_GEN_M_REG(CTU_SV32R, 0x580, 0x100),
278 RSND_GEN_M_REG(CTU_SV33R, 0x584, 0x100),
279 RSND_GEN_M_REG(CTU_SV34R, 0x588, 0x100),
280 RSND_GEN_M_REG(CTU_SV35R, 0x58c, 0x100),
281 RSND_GEN_M_REG(CTU_SV36R, 0x590, 0x100),
282 RSND_GEN_M_REG(CTU_SV37R, 0x594, 0x100),
70fb1052
KM		 283 RSND_GEN_M_REG(MIX_SWRSR, 0xd00, 0x40),
284 RSND_GEN_M_REG(MIX_MIXIR, 0xd04, 0x40),
285 RSND_GEN_M_REG(MIX_ADINR, 0xd08, 0x40),
286 RSND_GEN_M_REG(MIX_MIXMR, 0xd10, 0x40),
287 RSND_GEN_M_REG(MIX_MVPDR, 0xd14, 0x40),
288 RSND_GEN_M_REG(MIX_MDBAR, 0xd18, 0x40),
289 RSND_GEN_M_REG(MIX_MDBBR, 0xd1c, 0x40),
290 RSND_GEN_M_REG(MIX_MDBCR, 0xd20, 0x40),
291 RSND_GEN_M_REG(MIX_MDBDR, 0xd24, 0x40),
292 RSND_GEN_M_REG(MIX_MDBER, 0xd28, 0x40),
b8c63786
KM		 293 RSND_GEN_M_REG(DVC_SWRSR, 0xe00, 0x100),
294 RSND_GEN_M_REG(DVC_DVUIR, 0xe04, 0x100),
295 RSND_GEN_M_REG(DVC_ADINR, 0xe08, 0x100),
296 RSND_GEN_M_REG(DVC_DVUCR, 0xe10, 0x100),
297 RSND_GEN_M_REG(DVC_ZCMCR, 0xe14, 0x100),
3539cacf
KM		 298 RSND_GEN_M_REG(DVC_VRCTR, 0xe18, 0x100),
299 RSND_GEN_M_REG(DVC_VRPDR, 0xe1c, 0x100),
300 RSND_GEN_M_REG(DVC_VRDBR, 0xe20, 0x100),
b8c63786
KM		 301 RSND_GEN_M_REG(DVC_VOL0R, 0xe28, 0x100),
302 RSND_GEN_M_REG(DVC_VOL1R, 0xe2c, 0x100),
42ab9a79
KM		 303 RSND_GEN_M_REG(DVC_VOL2R, 0xe30, 0x100),
304 RSND_GEN_M_REG(DVC_VOL3R, 0xe34, 0x100),
305 RSND_GEN_M_REG(DVC_VOL4R, 0xe38, 0x100),
306 RSND_GEN_M_REG(DVC_VOL5R, 0xe3c, 0x100),
307 RSND_GEN_M_REG(DVC_VOL6R, 0xe40, 0x100),
308 RSND_GEN_M_REG(DVC_VOL7R, 0xe44, 0x100),
b8c63786
KM		 309 RSND_GEN_M_REG(DVC_DVUER, 0xe48, 0x100),
310 };
cc9bdcf2 311 static const struct rsnd_regmap_field_conf conf_adg[] = {
b8c63786
KM		 312 RSND_GEN_S_REG(BRRA, 0x00),
313 RSND_GEN_S_REG(BRRB, 0x04),
314 RSND_GEN_S_REG(SSICKR, 0x08),
315 RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c),
316 RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10),
317 RSND_GEN_S_REG(AUDIO_CLK_SEL2, 0x14),
318 RSND_GEN_S_REG(DIV_EN, 0x30),
319 RSND_GEN_S_REG(SRCIN_TIMSEL0, 0x34),
320 RSND_GEN_S_REG(SRCIN_TIMSEL1, 0x38),
321 RSND_GEN_S_REG(SRCIN_TIMSEL2, 0x3c),
322 RSND_GEN_S_REG(SRCIN_TIMSEL3, 0x40),
323 RSND_GEN_S_REG(SRCIN_TIMSEL4, 0x44),
324 RSND_GEN_S_REG(SRCOUT_TIMSEL0, 0x48),
325 RSND_GEN_S_REG(SRCOUT_TIMSEL1, 0x4c),
326 RSND_GEN_S_REG(SRCOUT_TIMSEL2, 0x50),
327 RSND_GEN_S_REG(SRCOUT_TIMSEL3, 0x54),
328 RSND_GEN_S_REG(SRCOUT_TIMSEL4, 0x58),
329 RSND_GEN_S_REG(CMDOUT_TIMSEL, 0x5c),
330 };
cc9bdcf2 331 static const struct rsnd_regmap_field_conf conf_ssi[] = {
b8c63786
KM		 332 RSND_GEN_M_REG(SSICR, 0x00, 0x40),
333 RSND_GEN_M_REG(SSISR, 0x04, 0x40),
334 RSND_GEN_M_REG(SSITDR, 0x08, 0x40),
335 RSND_GEN_M_REG(SSIRDR, 0x0c, 0x40),
336 RSND_GEN_M_REG(SSIWSR, 0x20, 0x40),
337 };
338 int ret_ssiu;
339 int ret_scu;
340 int ret_adg;
341 int ret_ssi;
342
7277911c
KM		 343 ret_ssiu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSIU, "ssiu", conf_ssiu);
344 ret_scu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SCU, "scu", conf_scu);
345 ret_adg = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_ADG, "adg", conf_adg);
346 ret_ssi = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSI, "ssi", conf_ssi);
b8c63786
KM		 347 if (ret_ssiu < 0 ||
348 ret_scu < 0 ||
349 ret_adg < 0 ||
350 ret_ssi < 0)
351 return ret_ssiu | ret_scu | ret_adg | ret_ssi;
352
507d466c
KM		 353 return 0;
354}
355
994a9df1
KM		 356/*
357 * Gen1
358 */
359
2ea6b074 360static int rsnd_gen1_probe(struct rsnd_priv *priv)
3337744a 361{
cc9bdcf2 362 static const struct rsnd_regmap_field_conf conf_adg[] = {
b8c63786
KM		 363 RSND_GEN_S_REG(BRRA, 0x00),
364 RSND_GEN_S_REG(BRRB, 0x04),
365 RSND_GEN_S_REG(SSICKR, 0x08),
366 RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c),
367 RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10),
b8c63786 368 };
cc9bdcf2 369 static const struct rsnd_regmap_field_conf conf_ssi[] = {
b8c63786
KM		 370 RSND_GEN_M_REG(SSICR, 0x00, 0x40),
371 RSND_GEN_M_REG(SSISR, 0x04, 0x40),
372 RSND_GEN_M_REG(SSITDR, 0x08, 0x40),
373 RSND_GEN_M_REG(SSIRDR, 0x0c, 0x40),
374 RSND_GEN_M_REG(SSIWSR, 0x20, 0x40),
375 };
b8c63786
KM		 376 int ret_adg;
377 int ret_ssi;
07539c1d 378
7277911c
KM		 379 ret_adg = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_ADG, "adg", conf_adg);
380 ret_ssi = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_SSI, "ssi", conf_ssi);
e8e7b7bd 381 if (ret_adg < 0 ||
b8c63786 382 ret_ssi < 0)
e8e7b7bd 383 return ret_adg | ret_ssi;
07539c1d 384
3337744a
KM		 385 return 0;
386}
387
3337744a
KM		 388/*
389 * Gen
390 */
2ea6b074 391int rsnd_gen_probe(struct rsnd_priv *priv)
3337744a
KM		 392{
393 struct device *dev = rsnd_priv_to_dev(priv);
394 struct rsnd_gen *gen;
531eaf49 395 int ret;
3337744a
KM		 396
397 gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL);
398 if (!gen) {
399 dev_err(dev, "GEN allocate failed\n");
400 return -ENOMEM;
401 }
402
531eaf49 403 priv->gen = gen;
072188b6 404
507d466c
KM		 405 ret = -ENODEV;
406 if (rsnd_is_gen1(priv))
2ea6b074 407 ret = rsnd_gen1_probe(priv);
507d466c 408 else if (rsnd_is_gen2(priv))
2ea6b074 409 ret = rsnd_gen2_probe(priv);
507d466c
KM		 410
411 if (ret < 0)
072188b6 412 dev_err(dev, "unknown generation R-Car sound device\n");
072188b6 413
531eaf49 414 return ret;
3337744a 415}
Linux kernel - Deliverables
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