1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2009-2017, The Linux Foundation. All rights reserved. 4 * Copyright (c) 2017-2019, Linaro Ltd. 5 */ 6 7 #include <linux/debugfs.h> 8 #include <linux/err.h> 9 #include <linux/module.h> 10 #include <linux/platform_device.h> 11 #include <linux/random.h> 12 #include <linux/slab.h> 13 #include <linux/soc/qcom/smem.h> 14 #include <linux/soc/qcom/socinfo.h> 15 #include <linux/string.h> 16 #include <linux/stringify.h> 17 #include <linux/sys_soc.h> 18 #include <linux/types.h> 19 20 #include <linux/unaligned.h> 21 22 #include <dt-bindings/arm/qcom,ids.h> 23 24 /* Helper macros to create soc_id table */ 25 #define qcom_board_id(id) QCOM_ID_ ## id, __stringify(id) 26 #define qcom_board_id_named(id, name) QCOM_ID_ ## id, (name) 27 28 #ifdef CONFIG_DEBUG_FS 29 #define SMEM_IMAGE_VERSION_BLOCKS_COUNT 32 30 #define SMEM_IMAGE_VERSION_SIZE 4096 31 #define SMEM_IMAGE_VERSION_NAME_SIZE 75 32 #define SMEM_IMAGE_VERSION_VARIANT_SIZE 20 33 #define SMEM_IMAGE_VERSION_OEM_SIZE 32 34 35 /* 36 * SMEM Image table indices 37 */ 38 #define SMEM_IMAGE_TABLE_BOOT_INDEX 0 39 #define SMEM_IMAGE_TABLE_TZ_INDEX 1 40 #define SMEM_IMAGE_TABLE_RPM_INDEX 3 41 #define SMEM_IMAGE_TABLE_APPS_INDEX 10 42 #define SMEM_IMAGE_TABLE_MPSS_INDEX 11 43 #define SMEM_IMAGE_TABLE_ADSP_INDEX 12 44 #define SMEM_IMAGE_TABLE_CNSS_INDEX 13 45 #define SMEM_IMAGE_TABLE_VIDEO_INDEX 14 46 #define SMEM_IMAGE_TABLE_DSPS_INDEX 15 47 #define SMEM_IMAGE_TABLE_CDSP_INDEX 16 48 #define SMEM_IMAGE_TABLE_CDSP1_INDEX 19 49 #define SMEM_IMAGE_TABLE_GPDSP_INDEX 20 50 #define SMEM_IMAGE_TABLE_GPDSP1_INDEX 21 51 #define SMEM_IMAGE_VERSION_TABLE 469 52 53 /* 54 * SMEM Image table names 55 */ 56 static const char *const socinfo_image_names[] = { 57 [SMEM_IMAGE_TABLE_ADSP_INDEX] = "adsp", 58 [SMEM_IMAGE_TABLE_APPS_INDEX] = "apps", 59 [SMEM_IMAGE_TABLE_BOOT_INDEX] = "boot", 60 [SMEM_IMAGE_TABLE_CNSS_INDEX] = "cnss", 61 [SMEM_IMAGE_TABLE_MPSS_INDEX] = "mpss", 62 [SMEM_IMAGE_TABLE_RPM_INDEX] = "rpm", 63 [SMEM_IMAGE_TABLE_TZ_INDEX] = "tz", 64 [SMEM_IMAGE_TABLE_VIDEO_INDEX] = "video", 65 [SMEM_IMAGE_TABLE_DSPS_INDEX] = "dsps", 66 [SMEM_IMAGE_TABLE_CDSP_INDEX] = "cdsp", 67 [SMEM_IMAGE_TABLE_CDSP1_INDEX] = "cdsp1", 68 [SMEM_IMAGE_TABLE_GPDSP_INDEX] = "gpdsp", 69 [SMEM_IMAGE_TABLE_GPDSP1_INDEX] = "gpdsp1", 70 }; 71 72 static const char *const pmic_models[] = { 73 [0] = "Unknown PMIC model", 74 [1] = "PM8941", 75 [2] = "PM8841", 76 [3] = "PM8019", 77 [4] = "PM8226", 78 [5] = "PM8110", 79 [6] = "PMA8084", 80 [7] = "PMI8962", 81 [8] = "PMD9635", 82 [9] = "PM8994", 83 [10] = "PMI8994", 84 [11] = "PM8916", 85 [12] = "PM8004", 86 [13] = "PM8909/PM8058", 87 [14] = "PM8028", 88 [15] = "PM8901", 89 [16] = "PM8950/PM8027", 90 [17] = "PMI8950/ISL9519", 91 [18] = "PMK8001/PM8921", 92 [19] = "PMI8996/PM8018", 93 [20] = "PM8998/PM8015", 94 [21] = "PMI8998/PM8014", 95 [22] = "PM8821", 96 [23] = "PM8038", 97 [24] = "PM8005/PM8922", 98 [25] = "PM8917/PM8937", 99 [26] = "PM660L", 100 [27] = "PM660", 101 [30] = "PM8150", 102 [31] = "PM8150L", 103 [32] = "PM8150B", 104 [33] = "PMK8002", 105 [36] = "PM8009", 106 [37] = "PMI632", 107 [38] = "PM8150C", 108 [40] = "PM6150", 109 [41] = "SMB2351", 110 [44] = "PM8008", 111 [45] = "PM6125", 112 [46] = "PM7250B", 113 [47] = "PMK8350", 114 [48] = "PM8350", 115 [49] = "PM8350C", 116 [50] = "PM8350B", 117 [51] = "PMR735A", 118 [52] = "PMR735B", 119 [54] = "PM6350", 120 [55] = "PM4125", 121 [58] = "PM8450", 122 [65] = "PM8010", 123 [69] = "PM8550VS", 124 [70] = "PM8550VE", 125 [71] = "PM8550B", 126 [72] = "PMR735D", 127 [73] = "PM8550", 128 [74] = "PMK8550", 129 [82] = "PMC8380", 130 [83] = "SMB2360", 131 }; 132 133 struct socinfo_params { 134 u32 raw_device_family; 135 u32 hw_plat_subtype; 136 u32 accessory_chip; 137 u32 raw_device_num; 138 u32 chip_family; 139 u32 foundry_id; 140 u32 plat_ver; 141 u32 raw_ver; 142 u32 hw_plat; 143 u32 fmt; 144 u32 nproduct_id; 145 u32 num_clusters; 146 u32 ncluster_array_offset; 147 u32 num_subset_parts; 148 u32 nsubset_parts_array_offset; 149 u32 nmodem_supported; 150 u32 feature_code; 151 u32 pcode; 152 u32 oem_variant; 153 u32 num_func_clusters; 154 u32 boot_cluster; 155 u32 boot_core; 156 }; 157 158 struct smem_image_version { 159 char name[SMEM_IMAGE_VERSION_NAME_SIZE]; 160 char variant[SMEM_IMAGE_VERSION_VARIANT_SIZE]; 161 char pad; 162 char oem[SMEM_IMAGE_VERSION_OEM_SIZE]; 163 }; 164 #endif /* CONFIG_DEBUG_FS */ 165 166 struct qcom_socinfo { 167 struct soc_device *soc_dev; 168 struct soc_device_attribute attr; 169 #ifdef CONFIG_DEBUG_FS 170 struct dentry *dbg_root; 171 struct socinfo_params info; 172 #endif /* CONFIG_DEBUG_FS */ 173 }; 174 175 struct soc_id { 176 unsigned int id; 177 const char *name; 178 }; 179 180 static const struct soc_id soc_id[] = { 181 { qcom_board_id(MSM8260) }, 182 { qcom_board_id(MSM8660) }, 183 { qcom_board_id(APQ8060) }, 184 { qcom_board_id(MSM8960) }, 185 { qcom_board_id(APQ8064) }, 186 { qcom_board_id(MSM8930) }, 187 { qcom_board_id(MSM8630) }, 188 { qcom_board_id(MSM8230) }, 189 { qcom_board_id(APQ8030) }, 190 { qcom_board_id(MSM8627) }, 191 { qcom_board_id(MSM8227) }, 192 { qcom_board_id(MSM8660A) }, 193 { qcom_board_id(MSM8260A) }, 194 { qcom_board_id(APQ8060A) }, 195 { qcom_board_id(MSM8974) }, 196 { qcom_board_id(MSM8225) }, 197 { qcom_board_id(MSM8625) }, 198 { qcom_board_id(MPQ8064) }, 199 { qcom_board_id(MSM8960AB) }, 200 { qcom_board_id(APQ8060AB) }, 201 { qcom_board_id(MSM8260AB) }, 202 { qcom_board_id(MSM8660AB) }, 203 { qcom_board_id(MSM8930AA) }, 204 { qcom_board_id(MSM8630AA) }, 205 { qcom_board_id(MSM8230AA) }, 206 { qcom_board_id(MSM8626) }, 207 { qcom_board_id(MSM8610) }, 208 { qcom_board_id(APQ8064AB) }, 209 { qcom_board_id(MSM8930AB) }, 210 { qcom_board_id(MSM8630AB) }, 211 { qcom_board_id(MSM8230AB) }, 212 { qcom_board_id(APQ8030AB) }, 213 { qcom_board_id(MSM8226) }, 214 { qcom_board_id(MSM8526) }, 215 { qcom_board_id(APQ8030AA) }, 216 { qcom_board_id(MSM8110) }, 217 { qcom_board_id(MSM8210) }, 218 { qcom_board_id(MSM8810) }, 219 { qcom_board_id(MSM8212) }, 220 { qcom_board_id(MSM8612) }, 221 { qcom_board_id(MSM8112) }, 222 { qcom_board_id(MSM8125) }, 223 { qcom_board_id(MSM8225Q) }, 224 { qcom_board_id(MSM8625Q) }, 225 { qcom_board_id(MSM8125Q) }, 226 { qcom_board_id(APQ8064AA) }, 227 { qcom_board_id(APQ8084) }, 228 { qcom_board_id(MSM8130) }, 229 { qcom_board_id(MSM8130AA) }, 230 { qcom_board_id(MSM8130AB) }, 231 { qcom_board_id(MSM8627AA) }, 232 { qcom_board_id(MSM8227AA) }, 233 { qcom_board_id(APQ8074) }, 234 { qcom_board_id(MSM8274) }, 235 { qcom_board_id(MSM8674) }, 236 { qcom_board_id(MDM9635) }, 237 { qcom_board_id_named(MSM8974PRO_AC, "MSM8974PRO-AC") }, 238 { qcom_board_id(MSM8126) }, 239 { qcom_board_id(APQ8026) }, 240 { qcom_board_id(MSM8926) }, 241 { qcom_board_id(IPQ8062) }, 242 { qcom_board_id(IPQ8064) }, 243 { qcom_board_id(IPQ8066) }, 244 { qcom_board_id(IPQ8068) }, 245 { qcom_board_id(MSM8326) }, 246 { qcom_board_id(MSM8916) }, 247 { qcom_board_id(MSM8994) }, 248 { qcom_board_id_named(APQ8074PRO_AA, "APQ8074PRO-AA") }, 249 { qcom_board_id_named(APQ8074PRO_AB, "APQ8074PRO-AB") }, 250 { qcom_board_id_named(APQ8074PRO_AC, "APQ8074PRO-AC") }, 251 { qcom_board_id_named(MSM8274PRO_AA, "MSM8274PRO-AA") }, 252 { qcom_board_id_named(MSM8274PRO_AB, "MSM8274PRO-AB") }, 253 { qcom_board_id_named(MSM8274PRO_AC, "MSM8274PRO-AC") }, 254 { qcom_board_id_named(MSM8674PRO_AA, "MSM8674PRO-AA") }, 255 { qcom_board_id_named(MSM8674PRO_AB, "MSM8674PRO-AB") }, 256 { qcom_board_id_named(MSM8674PRO_AC, "MSM8674PRO-AC") }, 257 { qcom_board_id_named(MSM8974PRO_AA, "MSM8974PRO-AA") }, 258 { qcom_board_id_named(MSM8974PRO_AB, "MSM8974PRO-AB") }, 259 { qcom_board_id(APQ8028) }, 260 { qcom_board_id(MSM8128) }, 261 { qcom_board_id(MSM8228) }, 262 { qcom_board_id(MSM8528) }, 263 { qcom_board_id(MSM8628) }, 264 { qcom_board_id(MSM8928) }, 265 { qcom_board_id(MSM8510) }, 266 { qcom_board_id(MSM8512) }, 267 { qcom_board_id(MSM8936) }, 268 { qcom_board_id(MDM9640) }, 269 { qcom_board_id(MSM8939) }, 270 { qcom_board_id(APQ8036) }, 271 { qcom_board_id(APQ8039) }, 272 { qcom_board_id(MSM8236) }, 273 { qcom_board_id(MSM8636) }, 274 { qcom_board_id(MSM8909) }, 275 { qcom_board_id(MSM8996) }, 276 { qcom_board_id(APQ8016) }, 277 { qcom_board_id(MSM8216) }, 278 { qcom_board_id(MSM8116) }, 279 { qcom_board_id(MSM8616) }, 280 { qcom_board_id(MSM8992) }, 281 { qcom_board_id(APQ8092) }, 282 { qcom_board_id(APQ8094) }, 283 { qcom_board_id(MSM8209) }, 284 { qcom_board_id(MSM8208) }, 285 { qcom_board_id(MDM9209) }, 286 { qcom_board_id(MDM9309) }, 287 { qcom_board_id(MDM9609) }, 288 { qcom_board_id(MSM8239) }, 289 { qcom_board_id(MSM8952) }, 290 { qcom_board_id(APQ8009) }, 291 { qcom_board_id(MSM8956) }, 292 { qcom_board_id(MSM8929) }, 293 { qcom_board_id(MSM8629) }, 294 { qcom_board_id(MSM8229) }, 295 { qcom_board_id(APQ8029) }, 296 { qcom_board_id(APQ8056) }, 297 { qcom_board_id(MSM8609) }, 298 { qcom_board_id(APQ8076) }, 299 { qcom_board_id(MSM8976) }, 300 { qcom_board_id(IPQ8065) }, 301 { qcom_board_id(IPQ8069) }, 302 { qcom_board_id(MDM9650) }, 303 { qcom_board_id(MDM9655) }, 304 { qcom_board_id(MDM9250) }, 305 { qcom_board_id(MDM9255) }, 306 { qcom_board_id(MDM9350) }, 307 { qcom_board_id(APQ8052) }, 308 { qcom_board_id(MDM9607) }, 309 { qcom_board_id(APQ8096) }, 310 { qcom_board_id(MSM8998) }, 311 { qcom_board_id(MSM8953) }, 312 { qcom_board_id(MSM8937) }, 313 { qcom_board_id(APQ8037) }, 314 { qcom_board_id(MDM8207) }, 315 { qcom_board_id(MDM9207) }, 316 { qcom_board_id(MDM9307) }, 317 { qcom_board_id(MDM9628) }, 318 { qcom_board_id(MSM8909W) }, 319 { qcom_board_id(APQ8009W) }, 320 { qcom_board_id(MSM8996L) }, 321 { qcom_board_id(MSM8917) }, 322 { qcom_board_id(APQ8053) }, 323 { qcom_board_id(MSM8996SG) }, 324 { qcom_board_id(APQ8017) }, 325 { qcom_board_id(MSM8217) }, 326 { qcom_board_id(MSM8617) }, 327 { qcom_board_id(MSM8996AU) }, 328 { qcom_board_id(APQ8096AU) }, 329 { qcom_board_id(APQ8096SG) }, 330 { qcom_board_id(MSM8940) }, 331 { qcom_board_id(SDX201) }, 332 { qcom_board_id(SDM660) }, 333 { qcom_board_id(SDM630) }, 334 { qcom_board_id(APQ8098) }, 335 { qcom_board_id(MSM8920) }, 336 { qcom_board_id(SDM845) }, 337 { qcom_board_id(MDM9206) }, 338 { qcom_board_id(IPQ8074) }, 339 { qcom_board_id(SDA660) }, 340 { qcom_board_id(SDM658) }, 341 { qcom_board_id(SDA658) }, 342 { qcom_board_id(SDA630) }, 343 { qcom_board_id(MSM8905) }, 344 { qcom_board_id(SDX202) }, 345 { qcom_board_id(SDM670) }, 346 { qcom_board_id(SDM450) }, 347 { qcom_board_id(SM8150) }, 348 { qcom_board_id(SDA845) }, 349 { qcom_board_id(IPQ8072) }, 350 { qcom_board_id(IPQ8076) }, 351 { qcom_board_id(IPQ8078) }, 352 { qcom_board_id(SDM636) }, 353 { qcom_board_id(SDA636) }, 354 { qcom_board_id(SDM632) }, 355 { qcom_board_id(SDA632) }, 356 { qcom_board_id(SDA450) }, 357 { qcom_board_id(SDM439) }, 358 { qcom_board_id(SDM429) }, 359 { qcom_board_id(SM8250) }, 360 { qcom_board_id(SA8155) }, 361 { qcom_board_id(SDA439) }, 362 { qcom_board_id(SDA429) }, 363 { qcom_board_id(SM7150) }, 364 { qcom_board_id(SM7150P) }, 365 { qcom_board_id(IPQ8070) }, 366 { qcom_board_id(IPQ8071) }, 367 { qcom_board_id(QM215) }, 368 { qcom_board_id(IPQ8072A) }, 369 { qcom_board_id(IPQ8074A) }, 370 { qcom_board_id(IPQ8076A) }, 371 { qcom_board_id(IPQ8078A) }, 372 { qcom_board_id(SM6125) }, 373 { qcom_board_id(IPQ8070A) }, 374 { qcom_board_id(IPQ8071A) }, 375 { qcom_board_id(IPQ8172) }, 376 { qcom_board_id(IPQ8173) }, 377 { qcom_board_id(IPQ8174) }, 378 { qcom_board_id(IPQ6018) }, 379 { qcom_board_id(IPQ6028) }, 380 { qcom_board_id(SDM429W) }, 381 { qcom_board_id(SM4250) }, 382 { qcom_board_id(IPQ6000) }, 383 { qcom_board_id(IPQ6010) }, 384 { qcom_board_id(SC7180) }, 385 { qcom_board_id(SM6350) }, 386 { qcom_board_id(QCM2150) }, 387 { qcom_board_id(SDA429W) }, 388 { qcom_board_id(SM8350) }, 389 { qcom_board_id(QCM2290) }, 390 { qcom_board_id(SM7125) }, 391 { qcom_board_id(SM6115) }, 392 { qcom_board_id(IPQ5010) }, 393 { qcom_board_id(IPQ5018) }, 394 { qcom_board_id(IPQ5028) }, 395 { qcom_board_id(SC8280XP) }, 396 { qcom_board_id(IPQ6005) }, 397 { qcom_board_id(QRB5165) }, 398 { qcom_board_id(SM8450) }, 399 { qcom_board_id(SM7225) }, 400 { qcom_board_id(SA8295P) }, 401 { qcom_board_id(SA8540P) }, 402 { qcom_board_id(QCM4290) }, 403 { qcom_board_id(QCS4290) }, 404 { qcom_board_id(SM7325) }, 405 { qcom_board_id_named(SM8450_2, "SM8450") }, 406 { qcom_board_id_named(SM8450_3, "SM8450") }, 407 { qcom_board_id(SC7280) }, 408 { qcom_board_id(SC7180P) }, 409 { qcom_board_id(QCM6490) }, 410 { qcom_board_id(SM7325P) }, 411 { qcom_board_id(IPQ5000) }, 412 { qcom_board_id(IPQ0509) }, 413 { qcom_board_id(IPQ0518) }, 414 { qcom_board_id(SM6375) }, 415 { qcom_board_id(IPQ9514) }, 416 { qcom_board_id(IPQ9550) }, 417 { qcom_board_id(IPQ9554) }, 418 { qcom_board_id(IPQ9570) }, 419 { qcom_board_id(IPQ9574) }, 420 { qcom_board_id(SM8550) }, 421 { qcom_board_id(IPQ5016) }, 422 { qcom_board_id(IPQ9510) }, 423 { qcom_board_id(QRB4210) }, 424 { qcom_board_id(QRB2210) }, 425 { qcom_board_id(SM8475) }, 426 { qcom_board_id(SM8475P) }, 427 { qcom_board_id(SA8775P) }, 428 { qcom_board_id(QRU1000) }, 429 { qcom_board_id(SM8475_2) }, 430 { qcom_board_id(QDU1000) }, 431 { qcom_board_id(X1E80100) }, 432 { qcom_board_id(SM8650) }, 433 { qcom_board_id(SM4450) }, 434 { qcom_board_id(QDU1010) }, 435 { qcom_board_id(QRU1032) }, 436 { qcom_board_id(QRU1052) }, 437 { qcom_board_id(QRU1062) }, 438 { qcom_board_id(IPQ5332) }, 439 { qcom_board_id(IPQ5322) }, 440 { qcom_board_id(IPQ5312) }, 441 { qcom_board_id(IPQ5302) }, 442 { qcom_board_id(QCS8550) }, 443 { qcom_board_id(QCM8550) }, 444 { qcom_board_id(IPQ5300) }, 445 { qcom_board_id(IPQ5321) }, 446 { qcom_board_id(QCS8300) }, 447 { qcom_board_id(QCS8275) }, 448 }; 449 450 static const char *socinfo_machine(struct device *dev, unsigned int id) 451 { 452 int idx; 453 454 for (idx = 0; idx < ARRAY_SIZE(soc_id); idx++) { 455 if (soc_id[idx].id == id) 456 return soc_id[idx].name; 457 } 458 459 return NULL; 460 } 461 462 #ifdef CONFIG_DEBUG_FS 463 464 #define QCOM_OPEN(name, _func) \ 465 static int qcom_open_##name(struct inode *inode, struct file *file) \ 466 { \ 467 return single_open(file, _func, inode->i_private); \ 468 } \ 469 \ 470 static const struct file_operations qcom_ ##name## _ops = { \ 471 .open = qcom_open_##name, \ 472 .read = seq_read, \ 473 .llseek = seq_lseek, \ 474 .release = single_release, \ 475 } 476 477 #define DEBUGFS_ADD(info, name) \ 478 debugfs_create_file(__stringify(name), 0444, \ 479 qcom_socinfo->dbg_root, \ 480 info, &qcom_ ##name## _ops) 481 482 483 static int qcom_show_build_id(struct seq_file *seq, void *p) 484 { 485 struct socinfo *socinfo = seq->private; 486 487 seq_printf(seq, "%s\n", socinfo->build_id); 488 489 return 0; 490 } 491 492 static int qcom_show_pmic_model(struct seq_file *seq, void *p) 493 { 494 struct socinfo *socinfo = seq->private; 495 int model = SOCINFO_MINOR(le32_to_cpu(socinfo->pmic_model)); 496 497 if (model < 0) 498 return -EINVAL; 499 500 if (model < ARRAY_SIZE(pmic_models) && pmic_models[model]) 501 seq_printf(seq, "%s\n", pmic_models[model]); 502 else 503 seq_printf(seq, "unknown (%d)\n", model); 504 505 return 0; 506 } 507 508 static int qcom_show_pmic_model_array(struct seq_file *seq, void *p) 509 { 510 struct socinfo *socinfo = seq->private; 511 unsigned int num_pmics = le32_to_cpu(socinfo->num_pmics); 512 unsigned int pmic_array_offset = le32_to_cpu(socinfo->pmic_array_offset); 513 int i; 514 void *ptr = socinfo; 515 516 ptr += pmic_array_offset; 517 518 /* No need for bounds checking, it happened at socinfo_debugfs_init */ 519 for (i = 0; i < num_pmics; i++) { 520 unsigned int model = SOCINFO_MINOR(get_unaligned_le32(ptr + 2 * i * sizeof(u32))); 521 unsigned int die_rev = get_unaligned_le32(ptr + (2 * i + 1) * sizeof(u32)); 522 523 if (model < ARRAY_SIZE(pmic_models) && pmic_models[model]) 524 seq_printf(seq, "%s %u.%u\n", pmic_models[model], 525 SOCINFO_MAJOR(die_rev), 526 SOCINFO_MINOR(die_rev)); 527 else 528 seq_printf(seq, "unknown (%d)\n", model); 529 } 530 531 return 0; 532 } 533 534 static int qcom_show_pmic_die_revision(struct seq_file *seq, void *p) 535 { 536 struct socinfo *socinfo = seq->private; 537 538 seq_printf(seq, "%u.%u\n", 539 SOCINFO_MAJOR(le32_to_cpu(socinfo->pmic_die_rev)), 540 SOCINFO_MINOR(le32_to_cpu(socinfo->pmic_die_rev))); 541 542 return 0; 543 } 544 545 static int qcom_show_chip_id(struct seq_file *seq, void *p) 546 { 547 struct socinfo *socinfo = seq->private; 548 549 seq_printf(seq, "%s\n", socinfo->chip_id); 550 551 return 0; 552 } 553 554 QCOM_OPEN(build_id, qcom_show_build_id); 555 QCOM_OPEN(pmic_model, qcom_show_pmic_model); 556 QCOM_OPEN(pmic_model_array, qcom_show_pmic_model_array); 557 QCOM_OPEN(pmic_die_rev, qcom_show_pmic_die_revision); 558 QCOM_OPEN(chip_id, qcom_show_chip_id); 559 560 #define DEFINE_IMAGE_OPS(type) \ 561 static int show_image_##type(struct seq_file *seq, void *p) \ 562 { \ 563 struct smem_image_version *image_version = seq->private; \ 564 if (image_version->type[0] != '\0') \ 565 seq_printf(seq, "%s\n", image_version->type); \ 566 return 0; \ 567 } \ 568 static int open_image_##type(struct inode *inode, struct file *file) \ 569 { \ 570 return single_open(file, show_image_##type, inode->i_private); \ 571 } \ 572 \ 573 static const struct file_operations qcom_image_##type##_ops = { \ 574 .open = open_image_##type, \ 575 .read = seq_read, \ 576 .llseek = seq_lseek, \ 577 .release = single_release, \ 578 } 579 580 DEFINE_IMAGE_OPS(name); 581 DEFINE_IMAGE_OPS(variant); 582 DEFINE_IMAGE_OPS(oem); 583 584 static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo, 585 struct socinfo *info, size_t info_size) 586 { 587 struct smem_image_version *versions; 588 struct dentry *dentry; 589 size_t size; 590 int i; 591 unsigned int num_pmics; 592 unsigned int pmic_array_offset; 593 594 qcom_socinfo->dbg_root = debugfs_create_dir("qcom_socinfo", NULL); 595 596 qcom_socinfo->info.fmt = __le32_to_cpu(info->fmt); 597 598 debugfs_create_x32("info_fmt", 0444, qcom_socinfo->dbg_root, 599 &qcom_socinfo->info.fmt); 600 601 switch (qcom_socinfo->info.fmt) { 602 case SOCINFO_VERSION(0, 19): 603 qcom_socinfo->info.num_func_clusters = __le32_to_cpu(info->num_func_clusters); 604 qcom_socinfo->info.boot_cluster = __le32_to_cpu(info->boot_cluster); 605 qcom_socinfo->info.boot_core = __le32_to_cpu(info->boot_core); 606 607 debugfs_create_u32("num_func_clusters", 0444, qcom_socinfo->dbg_root, 608 &qcom_socinfo->info.num_func_clusters); 609 debugfs_create_u32("boot_cluster", 0444, qcom_socinfo->dbg_root, 610 &qcom_socinfo->info.boot_cluster); 611 debugfs_create_u32("boot_core", 0444, qcom_socinfo->dbg_root, 612 &qcom_socinfo->info.boot_core); 613 fallthrough; 614 case SOCINFO_VERSION(0, 18): 615 case SOCINFO_VERSION(0, 17): 616 qcom_socinfo->info.oem_variant = __le32_to_cpu(info->oem_variant); 617 debugfs_create_u32("oem_variant", 0444, qcom_socinfo->dbg_root, 618 &qcom_socinfo->info.oem_variant); 619 fallthrough; 620 case SOCINFO_VERSION(0, 16): 621 qcom_socinfo->info.feature_code = __le32_to_cpu(info->feature_code); 622 qcom_socinfo->info.pcode = __le32_to_cpu(info->pcode); 623 624 debugfs_create_u32("feature_code", 0444, qcom_socinfo->dbg_root, 625 &qcom_socinfo->info.feature_code); 626 debugfs_create_u32("pcode", 0444, qcom_socinfo->dbg_root, 627 &qcom_socinfo->info.pcode); 628 fallthrough; 629 case SOCINFO_VERSION(0, 15): 630 qcom_socinfo->info.nmodem_supported = __le32_to_cpu(info->nmodem_supported); 631 632 debugfs_create_u32("nmodem_supported", 0444, qcom_socinfo->dbg_root, 633 &qcom_socinfo->info.nmodem_supported); 634 fallthrough; 635 case SOCINFO_VERSION(0, 14): 636 qcom_socinfo->info.num_clusters = __le32_to_cpu(info->num_clusters); 637 qcom_socinfo->info.ncluster_array_offset = __le32_to_cpu(info->ncluster_array_offset); 638 qcom_socinfo->info.num_subset_parts = __le32_to_cpu(info->num_subset_parts); 639 qcom_socinfo->info.nsubset_parts_array_offset = 640 __le32_to_cpu(info->nsubset_parts_array_offset); 641 642 debugfs_create_u32("num_clusters", 0444, qcom_socinfo->dbg_root, 643 &qcom_socinfo->info.num_clusters); 644 debugfs_create_u32("ncluster_array_offset", 0444, qcom_socinfo->dbg_root, 645 &qcom_socinfo->info.ncluster_array_offset); 646 debugfs_create_u32("num_subset_parts", 0444, qcom_socinfo->dbg_root, 647 &qcom_socinfo->info.num_subset_parts); 648 debugfs_create_u32("nsubset_parts_array_offset", 0444, qcom_socinfo->dbg_root, 649 &qcom_socinfo->info.nsubset_parts_array_offset); 650 fallthrough; 651 case SOCINFO_VERSION(0, 13): 652 qcom_socinfo->info.nproduct_id = __le32_to_cpu(info->nproduct_id); 653 654 debugfs_create_u32("nproduct_id", 0444, qcom_socinfo->dbg_root, 655 &qcom_socinfo->info.nproduct_id); 656 DEBUGFS_ADD(info, chip_id); 657 fallthrough; 658 case SOCINFO_VERSION(0, 12): 659 qcom_socinfo->info.chip_family = 660 __le32_to_cpu(info->chip_family); 661 qcom_socinfo->info.raw_device_family = 662 __le32_to_cpu(info->raw_device_family); 663 qcom_socinfo->info.raw_device_num = 664 __le32_to_cpu(info->raw_device_num); 665 666 debugfs_create_x32("chip_family", 0444, qcom_socinfo->dbg_root, 667 &qcom_socinfo->info.chip_family); 668 debugfs_create_x32("raw_device_family", 0444, 669 qcom_socinfo->dbg_root, 670 &qcom_socinfo->info.raw_device_family); 671 debugfs_create_x32("raw_device_number", 0444, 672 qcom_socinfo->dbg_root, 673 &qcom_socinfo->info.raw_device_num); 674 fallthrough; 675 case SOCINFO_VERSION(0, 11): 676 num_pmics = le32_to_cpu(info->num_pmics); 677 pmic_array_offset = le32_to_cpu(info->pmic_array_offset); 678 if (pmic_array_offset + 2 * num_pmics * sizeof(u32) <= info_size) 679 DEBUGFS_ADD(info, pmic_model_array); 680 fallthrough; 681 case SOCINFO_VERSION(0, 10): 682 case SOCINFO_VERSION(0, 9): 683 qcom_socinfo->info.foundry_id = __le32_to_cpu(info->foundry_id); 684 685 debugfs_create_u32("foundry_id", 0444, qcom_socinfo->dbg_root, 686 &qcom_socinfo->info.foundry_id); 687 fallthrough; 688 case SOCINFO_VERSION(0, 8): 689 case SOCINFO_VERSION(0, 7): 690 DEBUGFS_ADD(info, pmic_model); 691 DEBUGFS_ADD(info, pmic_die_rev); 692 fallthrough; 693 case SOCINFO_VERSION(0, 6): 694 qcom_socinfo->info.hw_plat_subtype = 695 __le32_to_cpu(info->hw_plat_subtype); 696 697 debugfs_create_u32("hardware_platform_subtype", 0444, 698 qcom_socinfo->dbg_root, 699 &qcom_socinfo->info.hw_plat_subtype); 700 fallthrough; 701 case SOCINFO_VERSION(0, 5): 702 qcom_socinfo->info.accessory_chip = 703 __le32_to_cpu(info->accessory_chip); 704 705 debugfs_create_u32("accessory_chip", 0444, 706 qcom_socinfo->dbg_root, 707 &qcom_socinfo->info.accessory_chip); 708 fallthrough; 709 case SOCINFO_VERSION(0, 4): 710 qcom_socinfo->info.plat_ver = __le32_to_cpu(info->plat_ver); 711 712 debugfs_create_u32("platform_version", 0444, 713 qcom_socinfo->dbg_root, 714 &qcom_socinfo->info.plat_ver); 715 fallthrough; 716 case SOCINFO_VERSION(0, 3): 717 qcom_socinfo->info.hw_plat = __le32_to_cpu(info->hw_plat); 718 719 debugfs_create_u32("hardware_platform", 0444, 720 qcom_socinfo->dbg_root, 721 &qcom_socinfo->info.hw_plat); 722 fallthrough; 723 case SOCINFO_VERSION(0, 2): 724 qcom_socinfo->info.raw_ver = __le32_to_cpu(info->raw_ver); 725 726 debugfs_create_u32("raw_version", 0444, qcom_socinfo->dbg_root, 727 &qcom_socinfo->info.raw_ver); 728 fallthrough; 729 case SOCINFO_VERSION(0, 1): 730 DEBUGFS_ADD(info, build_id); 731 break; 732 } 733 734 versions = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_IMAGE_VERSION_TABLE, 735 &size); 736 737 for (i = 0; i < ARRAY_SIZE(socinfo_image_names); i++) { 738 if (!socinfo_image_names[i]) 739 continue; 740 741 dentry = debugfs_create_dir(socinfo_image_names[i], 742 qcom_socinfo->dbg_root); 743 debugfs_create_file("name", 0444, dentry, &versions[i], 744 &qcom_image_name_ops); 745 debugfs_create_file("variant", 0444, dentry, &versions[i], 746 &qcom_image_variant_ops); 747 debugfs_create_file("oem", 0444, dentry, &versions[i], 748 &qcom_image_oem_ops); 749 } 750 } 751 752 static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo) 753 { 754 debugfs_remove_recursive(qcom_socinfo->dbg_root); 755 } 756 #else 757 static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo, 758 struct socinfo *info, size_t info_size) 759 { 760 } 761 static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo) { } 762 #endif /* CONFIG_DEBUG_FS */ 763 764 static int qcom_socinfo_probe(struct platform_device *pdev) 765 { 766 struct qcom_socinfo *qs; 767 struct socinfo *info; 768 size_t item_size; 769 770 info = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_HW_SW_BUILD_ID, 771 &item_size); 772 if (IS_ERR(info)) { 773 dev_err(&pdev->dev, "Couldn't find socinfo\n"); 774 return PTR_ERR(info); 775 } 776 777 qs = devm_kzalloc(&pdev->dev, sizeof(*qs), GFP_KERNEL); 778 if (!qs) 779 return -ENOMEM; 780 781 qs->attr.family = "Snapdragon"; 782 qs->attr.machine = socinfo_machine(&pdev->dev, 783 le32_to_cpu(info->id)); 784 qs->attr.soc_id = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%u", 785 le32_to_cpu(info->id)); 786 qs->attr.revision = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%u.%u", 787 SOCINFO_MAJOR(le32_to_cpu(info->ver)), 788 SOCINFO_MINOR(le32_to_cpu(info->ver))); 789 if (offsetof(struct socinfo, serial_num) <= item_size) 790 qs->attr.serial_number = devm_kasprintf(&pdev->dev, GFP_KERNEL, 791 "%u", 792 le32_to_cpu(info->serial_num)); 793 794 qs->soc_dev = soc_device_register(&qs->attr); 795 if (IS_ERR(qs->soc_dev)) 796 return PTR_ERR(qs->soc_dev); 797 798 socinfo_debugfs_init(qs, info, item_size); 799 800 /* Feed the soc specific unique data into entropy pool */ 801 add_device_randomness(info, item_size); 802 803 platform_set_drvdata(pdev, qs); 804 805 return 0; 806 } 807 808 static void qcom_socinfo_remove(struct platform_device *pdev) 809 { 810 struct qcom_socinfo *qs = platform_get_drvdata(pdev); 811 812 soc_device_unregister(qs->soc_dev); 813 814 socinfo_debugfs_exit(qs); 815 } 816 817 static struct platform_driver qcom_socinfo_driver = { 818 .probe = qcom_socinfo_probe, 819 .remove_new = qcom_socinfo_remove, 820 .driver = { 821 .name = "qcom-socinfo", 822 }, 823 }; 824 825 module_platform_driver(qcom_socinfo_driver); 826 827 MODULE_DESCRIPTION("Qualcomm SoCinfo driver"); 828 MODULE_LICENSE("GPL v2"); 829 MODULE_ALIAS("platform:qcom-socinfo"); 830