1 // SPDX-License-Identifier: GPL-2.0 2 // 3 // Renesas R-Car Gen1 SRU/SSI support 4 // 5 // Copyright (C) 2013 Renesas Solutions Corp. 6 // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 7 8 /* 9 * #define DEBUG 10 * 11 * you can also add below in 12 * ${LINUX}/drivers/base/regmap/regmap.c 13 * for regmap debug 14 * 15 * #define LOG_DEVICE "xxxx.rcar_sound" 16 */ 17 18 #include "rsnd.h" 19 20 struct rsnd_gen { 21 struct rsnd_gen_ops *ops; 22 23 /* RSND_BASE_MAX base */ 24 void __iomem *base[RSND_BASE_MAX]; 25 phys_addr_t res[RSND_BASE_MAX]; 26 struct regmap *regmap[RSND_BASE_MAX]; 27 28 /* RSND_REG_MAX base */ 29 struct regmap_field *regs[REG_MAX]; 30 const char *reg_name[REG_MAX]; 31 }; 32 33 #define rsnd_priv_to_gen(p) ((struct rsnd_gen *)(p)->gen) 34 #define rsnd_reg_name(gen, id) ((gen)->reg_name[id]) 35 36 struct rsnd_regmap_field_conf { 37 int idx; 38 unsigned int reg_offset; 39 unsigned int id_offset; 40 const char *reg_name; 41 }; 42 43 #define RSND_REG_SET(id, offset, _id_offset, n) \ 44 { \ 45 .idx = id, \ 46 .reg_offset = offset, \ 47 .id_offset = _id_offset, \ 48 .reg_name = n, \ 49 } 50 /* single address mapping */ 51 #define RSND_GEN_S_REG(id, offset) \ 52 RSND_REG_SET(id, offset, 0, #id) 53 54 /* multi address mapping */ 55 #define RSND_GEN_M_REG(id, offset, _id_offset) \ 56 RSND_REG_SET(id, offset, _id_offset, #id) 57 58 /* 59 * basic function 60 */ 61 static int rsnd_is_accessible_reg(struct rsnd_priv *priv, 62 struct rsnd_gen *gen, enum rsnd_reg reg) 63 { 64 if (!gen->regs[reg]) { 65 struct device *dev = rsnd_priv_to_dev(priv); 66 67 dev_err(dev, "unsupported register access %x\n", reg); 68 return 0; 69 } 70 71 return 1; 72 } 73 74 static int rsnd_mod_id_cmd(struct rsnd_mod *mod) 75 { 76 if (mod->ops->id_cmd) 77 return mod->ops->id_cmd(mod); 78 79 return rsnd_mod_id(mod); 80 } 81 82 u32 rsnd_mod_read(struct rsnd_mod *mod, enum rsnd_reg reg) 83 { 84 struct rsnd_priv *priv = rsnd_mod_to_priv(mod); 85 struct device *dev = rsnd_priv_to_dev(priv); 86 struct rsnd_gen *gen = rsnd_priv_to_gen(priv); 87 u32 val; 88 89 if (!rsnd_is_accessible_reg(priv, gen, reg)) 90 return 0; 91 92 regmap_fields_read(gen->regs[reg], rsnd_mod_id_cmd(mod), &val); 93 94 dev_dbg(dev, "r %s - %-18s (%4d) : %08x\n", 95 rsnd_mod_name(mod), 96 rsnd_reg_name(gen, reg), reg, val); 97 98 return val; 99 } 100 101 void rsnd_mod_write(struct rsnd_mod *mod, 102 enum rsnd_reg reg, u32 data) 103 { 104 struct rsnd_priv *priv = rsnd_mod_to_priv(mod); 105 struct device *dev = rsnd_priv_to_dev(priv); 106 struct rsnd_gen *gen = rsnd_priv_to_gen(priv); 107 108 if (!rsnd_is_accessible_reg(priv, gen, reg)) 109 return; 110 111 regmap_fields_force_write(gen->regs[reg], rsnd_mod_id_cmd(mod), data); 112 113 dev_dbg(dev, "w %s - %-18s (%4d) : %08x\n", 114 rsnd_mod_name(mod), 115 rsnd_reg_name(gen, reg), reg, data); 116 } 117 118 void rsnd_mod_bset(struct rsnd_mod *mod, 119 enum rsnd_reg reg, u32 mask, u32 data) 120 { 121 struct rsnd_priv *priv = rsnd_mod_to_priv(mod); 122 struct device *dev = rsnd_priv_to_dev(priv); 123 struct rsnd_gen *gen = rsnd_priv_to_gen(priv); 124 125 if (!rsnd_is_accessible_reg(priv, gen, reg)) 126 return; 127 128 regmap_fields_force_update_bits(gen->regs[reg], 129 rsnd_mod_id_cmd(mod), mask, data); 130 131 dev_dbg(dev, "b %s - %-18s (%4d) : %08x/%08x\n", 132 rsnd_mod_name(mod), 133 rsnd_reg_name(gen, reg), reg, data, mask); 134 135 } 136 137 phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id) 138 { 139 struct rsnd_gen *gen = rsnd_priv_to_gen(priv); 140 141 return gen->res[reg_id]; 142 } 143 144 #ifdef CONFIG_DEBUG_FS 145 void __iomem *rsnd_gen_get_base_addr(struct rsnd_priv *priv, int reg_id) 146 { 147 struct rsnd_gen *gen = rsnd_priv_to_gen(priv); 148 149 return gen->base[reg_id]; 150 } 151 #endif 152 153 #define rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf) \ 154 _rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf, ARRAY_SIZE(conf)) 155 static int _rsnd_gen_regmap_init(struct rsnd_priv *priv, 156 int id_size, 157 int reg_id, 158 const char *name, 159 const struct rsnd_regmap_field_conf *conf, 160 int conf_size) 161 { 162 struct platform_device *pdev = rsnd_priv_to_pdev(priv); 163 struct rsnd_gen *gen = rsnd_priv_to_gen(priv); 164 struct device *dev = rsnd_priv_to_dev(priv); 165 struct resource *res; 166 struct regmap_config regc; 167 struct regmap_field *regs; 168 struct regmap *regmap; 169 struct reg_field regf; 170 void __iomem *base; 171 int i; 172 173 memset(®c, 0, sizeof(regc)); 174 regc.reg_bits = 32; 175 regc.val_bits = 32; 176 regc.reg_stride = 4; 177 regc.name = name; 178 179 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name); 180 if (!res) 181 res = platform_get_resource(pdev, IORESOURCE_MEM, reg_id); 182 if (!res) 183 return -ENODEV; 184 185 base = devm_ioremap_resource(dev, res); 186 if (IS_ERR(base)) 187 return PTR_ERR(base); 188 189 regmap = devm_regmap_init_mmio(dev, base, ®c); 190 if (IS_ERR(regmap)) 191 return PTR_ERR(regmap); 192 193 /* RSND_BASE_MAX base */ 194 gen->base[reg_id] = base; 195 gen->regmap[reg_id] = regmap; 196 gen->res[reg_id] = res->start; 197 198 for (i = 0; i < conf_size; i++) { 199 200 regf.reg = conf[i].reg_offset; 201 regf.id_offset = conf[i].id_offset; 202 regf.lsb = 0; 203 regf.msb = 31; 204 regf.id_size = id_size; 205 206 regs = devm_regmap_field_alloc(dev, regmap, regf); 207 if (IS_ERR(regs)) 208 return PTR_ERR(regs); 209 210 /* RSND_REG_MAX base */ 211 gen->regs[conf[i].idx] = regs; 212 gen->reg_name[conf[i].idx] = conf[i].reg_name; 213 } 214 215 return 0; 216 } 217 218 /* 219 * Gen2 220 */ 221 static int rsnd_gen2_probe(struct rsnd_priv *priv) 222 { 223 static const struct rsnd_regmap_field_conf conf_ssiu[] = { 224 RSND_GEN_S_REG(SSI_MODE0, 0x800), 225 RSND_GEN_S_REG(SSI_MODE1, 0x804), 226 RSND_GEN_S_REG(SSI_MODE2, 0x808), 227 RSND_GEN_S_REG(SSI_CONTROL, 0x810), 228 RSND_GEN_S_REG(SSI_SYS_STATUS0, 0x840), 229 RSND_GEN_S_REG(SSI_SYS_STATUS1, 0x844), 230 RSND_GEN_S_REG(SSI_SYS_STATUS2, 0x848), 231 RSND_GEN_S_REG(SSI_SYS_STATUS3, 0x84c), 232 RSND_GEN_S_REG(SSI_SYS_STATUS4, 0x880), 233 RSND_GEN_S_REG(SSI_SYS_STATUS5, 0x884), 234 RSND_GEN_S_REG(SSI_SYS_STATUS6, 0x888), 235 RSND_GEN_S_REG(SSI_SYS_STATUS7, 0x88c), 236 RSND_GEN_S_REG(SSI_SYS_INT_ENABLE0, 0x850), 237 RSND_GEN_S_REG(SSI_SYS_INT_ENABLE1, 0x854), 238 RSND_GEN_S_REG(SSI_SYS_INT_ENABLE2, 0x858), 239 RSND_GEN_S_REG(SSI_SYS_INT_ENABLE3, 0x85c), 240 RSND_GEN_S_REG(SSI_SYS_INT_ENABLE4, 0x890), 241 RSND_GEN_S_REG(SSI_SYS_INT_ENABLE5, 0x894), 242 RSND_GEN_S_REG(SSI_SYS_INT_ENABLE6, 0x898), 243 RSND_GEN_S_REG(SSI_SYS_INT_ENABLE7, 0x89c), 244 RSND_GEN_S_REG(HDMI0_SEL, 0x9e0), 245 RSND_GEN_S_REG(HDMI1_SEL, 0x9e4), 246 247 /* FIXME: it needs SSI_MODE2/3 in the future */ 248 RSND_GEN_M_REG(SSI_BUSIF0_MODE, 0x0, 0x80), 249 RSND_GEN_M_REG(SSI_BUSIF0_ADINR, 0x4, 0x80), 250 RSND_GEN_M_REG(SSI_BUSIF0_DALIGN, 0x8, 0x80), 251 RSND_GEN_M_REG(SSI_BUSIF1_MODE, 0x20, 0x80), 252 RSND_GEN_M_REG(SSI_BUSIF1_ADINR, 0x24, 0x80), 253 RSND_GEN_M_REG(SSI_BUSIF1_DALIGN, 0x28, 0x80), 254 RSND_GEN_M_REG(SSI_BUSIF2_MODE, 0x40, 0x80), 255 RSND_GEN_M_REG(SSI_BUSIF2_ADINR, 0x44, 0x80), 256 RSND_GEN_M_REG(SSI_BUSIF2_DALIGN, 0x48, 0x80), 257 RSND_GEN_M_REG(SSI_BUSIF3_MODE, 0x60, 0x80), 258 RSND_GEN_M_REG(SSI_BUSIF3_ADINR, 0x64, 0x80), 259 RSND_GEN_M_REG(SSI_BUSIF3_DALIGN, 0x68, 0x80), 260 RSND_GEN_M_REG(SSI_BUSIF4_MODE, 0x500, 0x80), 261 RSND_GEN_M_REG(SSI_BUSIF4_ADINR, 0x504, 0x80), 262 RSND_GEN_M_REG(SSI_BUSIF4_DALIGN, 0x508, 0x80), 263 RSND_GEN_M_REG(SSI_BUSIF5_MODE, 0x520, 0x80), 264 RSND_GEN_M_REG(SSI_BUSIF5_ADINR, 0x524, 0x80), 265 RSND_GEN_M_REG(SSI_BUSIF5_DALIGN, 0x528, 0x80), 266 RSND_GEN_M_REG(SSI_BUSIF6_MODE, 0x540, 0x80), 267 RSND_GEN_M_REG(SSI_BUSIF6_ADINR, 0x544, 0x80), 268 RSND_GEN_M_REG(SSI_BUSIF6_DALIGN, 0x548, 0x80), 269 RSND_GEN_M_REG(SSI_BUSIF7_MODE, 0x560, 0x80), 270 RSND_GEN_M_REG(SSI_BUSIF7_ADINR, 0x564, 0x80), 271 RSND_GEN_M_REG(SSI_BUSIF7_DALIGN, 0x568, 0x80), 272 RSND_GEN_M_REG(SSI_MODE, 0xc, 0x80), 273 RSND_GEN_M_REG(SSI_CTRL, 0x10, 0x80), 274 RSND_GEN_M_REG(SSI_INT_ENABLE, 0x18, 0x80), 275 RSND_GEN_S_REG(SSI9_BUSIF0_MODE, 0x48c), 276 RSND_GEN_S_REG(SSI9_BUSIF0_ADINR, 0x484), 277 RSND_GEN_S_REG(SSI9_BUSIF0_DALIGN, 0x488), 278 RSND_GEN_S_REG(SSI9_BUSIF1_MODE, 0x4a0), 279 RSND_GEN_S_REG(SSI9_BUSIF1_ADINR, 0x4a4), 280 RSND_GEN_S_REG(SSI9_BUSIF1_DALIGN, 0x4a8), 281 RSND_GEN_S_REG(SSI9_BUSIF2_MODE, 0x4c0), 282 RSND_GEN_S_REG(SSI9_BUSIF2_ADINR, 0x4c4), 283 RSND_GEN_S_REG(SSI9_BUSIF2_DALIGN, 0x4c8), 284 RSND_GEN_S_REG(SSI9_BUSIF3_MODE, 0x4e0), 285 RSND_GEN_S_REG(SSI9_BUSIF3_ADINR, 0x4e4), 286 RSND_GEN_S_REG(SSI9_BUSIF3_DALIGN, 0x4e8), 287 RSND_GEN_S_REG(SSI9_BUSIF4_MODE, 0xd80), 288 RSND_GEN_S_REG(SSI9_BUSIF4_ADINR, 0xd84), 289 RSND_GEN_S_REG(SSI9_BUSIF4_DALIGN, 0xd88), 290 RSND_GEN_S_REG(SSI9_BUSIF5_MODE, 0xda0), 291 RSND_GEN_S_REG(SSI9_BUSIF5_ADINR, 0xda4), 292 RSND_GEN_S_REG(SSI9_BUSIF5_DALIGN, 0xda8), 293 RSND_GEN_S_REG(SSI9_BUSIF6_MODE, 0xdc0), 294 RSND_GEN_S_REG(SSI9_BUSIF6_ADINR, 0xdc4), 295 RSND_GEN_S_REG(SSI9_BUSIF6_DALIGN, 0xdc8), 296 RSND_GEN_S_REG(SSI9_BUSIF7_MODE, 0xde0), 297 RSND_GEN_S_REG(SSI9_BUSIF7_ADINR, 0xde4), 298 RSND_GEN_S_REG(SSI9_BUSIF7_DALIGN, 0xde8), 299 }; 300 301 static const struct rsnd_regmap_field_conf conf_scu[] = { 302 RSND_GEN_M_REG(SRC_I_BUSIF_MODE,0x0, 0x20), 303 RSND_GEN_M_REG(SRC_O_BUSIF_MODE,0x4, 0x20), 304 RSND_GEN_M_REG(SRC_BUSIF_DALIGN,0x8, 0x20), 305 RSND_GEN_M_REG(SRC_ROUTE_MODE0, 0xc, 0x20), 306 RSND_GEN_M_REG(SRC_CTRL, 0x10, 0x20), 307 RSND_GEN_M_REG(SRC_INT_ENABLE0, 0x18, 0x20), 308 RSND_GEN_M_REG(CMD_BUSIF_MODE, 0x184, 0x20), 309 RSND_GEN_M_REG(CMD_BUSIF_DALIGN,0x188, 0x20), 310 RSND_GEN_M_REG(CMD_ROUTE_SLCT, 0x18c, 0x20), 311 RSND_GEN_M_REG(CMD_CTRL, 0x190, 0x20), 312 RSND_GEN_S_REG(SCU_SYS_STATUS0, 0x1c8), 313 RSND_GEN_S_REG(SCU_SYS_INT_EN0, 0x1cc), 314 RSND_GEN_S_REG(SCU_SYS_STATUS1, 0x1d0), 315 RSND_GEN_S_REG(SCU_SYS_INT_EN1, 0x1d4), 316 RSND_GEN_M_REG(SRC_SWRSR, 0x200, 0x40), 317 RSND_GEN_M_REG(SRC_SRCIR, 0x204, 0x40), 318 RSND_GEN_M_REG(SRC_ADINR, 0x214, 0x40), 319 RSND_GEN_M_REG(SRC_IFSCR, 0x21c, 0x40), 320 RSND_GEN_M_REG(SRC_IFSVR, 0x220, 0x40), 321 RSND_GEN_M_REG(SRC_SRCCR, 0x224, 0x40), 322 RSND_GEN_M_REG(SRC_BSDSR, 0x22c, 0x40), 323 RSND_GEN_M_REG(SRC_BSISR, 0x238, 0x40), 324 RSND_GEN_M_REG(CTU_SWRSR, 0x500, 0x100), 325 RSND_GEN_M_REG(CTU_CTUIR, 0x504, 0x100), 326 RSND_GEN_M_REG(CTU_ADINR, 0x508, 0x100), 327 RSND_GEN_M_REG(CTU_CPMDR, 0x510, 0x100), 328 RSND_GEN_M_REG(CTU_SCMDR, 0x514, 0x100), 329 RSND_GEN_M_REG(CTU_SV00R, 0x518, 0x100), 330 RSND_GEN_M_REG(CTU_SV01R, 0x51c, 0x100), 331 RSND_GEN_M_REG(CTU_SV02R, 0x520, 0x100), 332 RSND_GEN_M_REG(CTU_SV03R, 0x524, 0x100), 333 RSND_GEN_M_REG(CTU_SV04R, 0x528, 0x100), 334 RSND_GEN_M_REG(CTU_SV05R, 0x52c, 0x100), 335 RSND_GEN_M_REG(CTU_SV06R, 0x530, 0x100), 336 RSND_GEN_M_REG(CTU_SV07R, 0x534, 0x100), 337 RSND_GEN_M_REG(CTU_SV10R, 0x538, 0x100), 338 RSND_GEN_M_REG(CTU_SV11R, 0x53c, 0x100), 339 RSND_GEN_M_REG(CTU_SV12R, 0x540, 0x100), 340 RSND_GEN_M_REG(CTU_SV13R, 0x544, 0x100), 341 RSND_GEN_M_REG(CTU_SV14R, 0x548, 0x100), 342 RSND_GEN_M_REG(CTU_SV15R, 0x54c, 0x100), 343 RSND_GEN_M_REG(CTU_SV16R, 0x550, 0x100), 344 RSND_GEN_M_REG(CTU_SV17R, 0x554, 0x100), 345 RSND_GEN_M_REG(CTU_SV20R, 0x558, 0x100), 346 RSND_GEN_M_REG(CTU_SV21R, 0x55c, 0x100), 347 RSND_GEN_M_REG(CTU_SV22R, 0x560, 0x100), 348 RSND_GEN_M_REG(CTU_SV23R, 0x564, 0x100), 349 RSND_GEN_M_REG(CTU_SV24R, 0x568, 0x100), 350 RSND_GEN_M_REG(CTU_SV25R, 0x56c, 0x100), 351 RSND_GEN_M_REG(CTU_SV26R, 0x570, 0x100), 352 RSND_GEN_M_REG(CTU_SV27R, 0x574, 0x100), 353 RSND_GEN_M_REG(CTU_SV30R, 0x578, 0x100), 354 RSND_GEN_M_REG(CTU_SV31R, 0x57c, 0x100), 355 RSND_GEN_M_REG(CTU_SV32R, 0x580, 0x100), 356 RSND_GEN_M_REG(CTU_SV33R, 0x584, 0x100), 357 RSND_GEN_M_REG(CTU_SV34R, 0x588, 0x100), 358 RSND_GEN_M_REG(CTU_SV35R, 0x58c, 0x100), 359 RSND_GEN_M_REG(CTU_SV36R, 0x590, 0x100), 360 RSND_GEN_M_REG(CTU_SV37R, 0x594, 0x100), 361 RSND_GEN_M_REG(MIX_SWRSR, 0xd00, 0x40), 362 RSND_GEN_M_REG(MIX_MIXIR, 0xd04, 0x40), 363 RSND_GEN_M_REG(MIX_ADINR, 0xd08, 0x40), 364 RSND_GEN_M_REG(MIX_MIXMR, 0xd10, 0x40), 365 RSND_GEN_M_REG(MIX_MVPDR, 0xd14, 0x40), 366 RSND_GEN_M_REG(MIX_MDBAR, 0xd18, 0x40), 367 RSND_GEN_M_REG(MIX_MDBBR, 0xd1c, 0x40), 368 RSND_GEN_M_REG(MIX_MDBCR, 0xd20, 0x40), 369 RSND_GEN_M_REG(MIX_MDBDR, 0xd24, 0x40), 370 RSND_GEN_M_REG(MIX_MDBER, 0xd28, 0x40), 371 RSND_GEN_M_REG(DVC_SWRSR, 0xe00, 0x100), 372 RSND_GEN_M_REG(DVC_DVUIR, 0xe04, 0x100), 373 RSND_GEN_M_REG(DVC_ADINR, 0xe08, 0x100), 374 RSND_GEN_M_REG(DVC_DVUCR, 0xe10, 0x100), 375 RSND_GEN_M_REG(DVC_ZCMCR, 0xe14, 0x100), 376 RSND_GEN_M_REG(DVC_VRCTR, 0xe18, 0x100), 377 RSND_GEN_M_REG(DVC_VRPDR, 0xe1c, 0x100), 378 RSND_GEN_M_REG(DVC_VRDBR, 0xe20, 0x100), 379 RSND_GEN_M_REG(DVC_VOL0R, 0xe28, 0x100), 380 RSND_GEN_M_REG(DVC_VOL1R, 0xe2c, 0x100), 381 RSND_GEN_M_REG(DVC_VOL2R, 0xe30, 0x100), 382 RSND_GEN_M_REG(DVC_VOL3R, 0xe34, 0x100), 383 RSND_GEN_M_REG(DVC_VOL4R, 0xe38, 0x100), 384 RSND_GEN_M_REG(DVC_VOL5R, 0xe3c, 0x100), 385 RSND_GEN_M_REG(DVC_VOL6R, 0xe40, 0x100), 386 RSND_GEN_M_REG(DVC_VOL7R, 0xe44, 0x100), 387 RSND_GEN_M_REG(DVC_DVUER, 0xe48, 0x100), 388 }; 389 static const struct rsnd_regmap_field_conf conf_adg[] = { 390 RSND_GEN_S_REG(BRRA, 0x00), 391 RSND_GEN_S_REG(BRRB, 0x04), 392 RSND_GEN_S_REG(BRGCKR, 0x08), 393 RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c), 394 RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10), 395 RSND_GEN_S_REG(AUDIO_CLK_SEL2, 0x14), 396 RSND_GEN_S_REG(DIV_EN, 0x30), 397 RSND_GEN_S_REG(SRCIN_TIMSEL0, 0x34), 398 RSND_GEN_S_REG(SRCIN_TIMSEL1, 0x38), 399 RSND_GEN_S_REG(SRCIN_TIMSEL2, 0x3c), 400 RSND_GEN_S_REG(SRCIN_TIMSEL3, 0x40), 401 RSND_GEN_S_REG(SRCIN_TIMSEL4, 0x44), 402 RSND_GEN_S_REG(SRCOUT_TIMSEL0, 0x48), 403 RSND_GEN_S_REG(SRCOUT_TIMSEL1, 0x4c), 404 RSND_GEN_S_REG(SRCOUT_TIMSEL2, 0x50), 405 RSND_GEN_S_REG(SRCOUT_TIMSEL3, 0x54), 406 RSND_GEN_S_REG(SRCOUT_TIMSEL4, 0x58), 407 RSND_GEN_S_REG(CMDOUT_TIMSEL, 0x5c), 408 }; 409 static const struct rsnd_regmap_field_conf conf_ssi[] = { 410 RSND_GEN_M_REG(SSICR, 0x00, 0x40), 411 RSND_GEN_M_REG(SSISR, 0x04, 0x40), 412 RSND_GEN_M_REG(SSITDR, 0x08, 0x40), 413 RSND_GEN_M_REG(SSIRDR, 0x0c, 0x40), 414 RSND_GEN_M_REG(SSIWSR, 0x20, 0x40), 415 }; 416 int ret_ssiu; 417 int ret_scu; 418 int ret_adg; 419 int ret_ssi; 420 421 ret_ssiu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSIU, "ssiu", conf_ssiu); 422 ret_scu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SCU, "scu", conf_scu); 423 ret_adg = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_ADG, "adg", conf_adg); 424 ret_ssi = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSI, "ssi", conf_ssi); 425 if (ret_ssiu < 0 || 426 ret_scu < 0 || 427 ret_adg < 0 || 428 ret_ssi < 0) 429 return ret_ssiu | ret_scu | ret_adg | ret_ssi; 430 431 return 0; 432 } 433 434 /* 435 * Gen1 436 */ 437 438 static int rsnd_gen1_probe(struct rsnd_priv *priv) 439 { 440 static const struct rsnd_regmap_field_conf conf_adg[] = { 441 RSND_GEN_S_REG(BRRA, 0x00), 442 RSND_GEN_S_REG(BRRB, 0x04), 443 RSND_GEN_S_REG(BRGCKR, 0x08), 444 RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c), 445 RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10), 446 }; 447 static const struct rsnd_regmap_field_conf conf_ssi[] = { 448 RSND_GEN_M_REG(SSICR, 0x00, 0x40), 449 RSND_GEN_M_REG(SSISR, 0x04, 0x40), 450 RSND_GEN_M_REG(SSITDR, 0x08, 0x40), 451 RSND_GEN_M_REG(SSIRDR, 0x0c, 0x40), 452 RSND_GEN_M_REG(SSIWSR, 0x20, 0x40), 453 }; 454 int ret_adg; 455 int ret_ssi; 456 457 ret_adg = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_ADG, "adg", conf_adg); 458 ret_ssi = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_SSI, "ssi", conf_ssi); 459 if (ret_adg < 0 || 460 ret_ssi < 0) 461 return ret_adg | ret_ssi; 462 463 return 0; 464 } 465 466 /* 467 * Gen 468 */ 469 int rsnd_gen_probe(struct rsnd_priv *priv) 470 { 471 struct device *dev = rsnd_priv_to_dev(priv); 472 struct rsnd_gen *gen; 473 int ret; 474 475 gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL); 476 if (!gen) 477 return -ENOMEM; 478 479 priv->gen = gen; 480 481 ret = -ENODEV; 482 if (rsnd_is_gen1(priv)) 483 ret = rsnd_gen1_probe(priv); 484 else if (rsnd_is_gen2(priv) || 485 rsnd_is_gen3(priv)) 486 ret = rsnd_gen2_probe(priv); 487 488 if (ret < 0) 489 dev_err(dev, "unknown generation R-Car sound device\n"); 490 491 return ret; 492 } 493