1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Kontron PLD MFD core driver 4 * 5 * Copyright (c) 2010-2013 Kontron Europe GmbH 6 * Author: Michael Brunner <michael.brunner@kontron.com> 7 */ 8 9 #include <linux/platform_device.h> 10 #include <linux/mfd/core.h> 11 #include <linux/mfd/kempld.h> 12 #include <linux/module.h> 13 #include <linux/dmi.h> 14 #include <linux/io.h> 15 #include <linux/delay.h> 16 #include <linux/acpi.h> 17 18 #define MAX_ID_LEN 4 19 static char force_device_id[MAX_ID_LEN + 1] = ""; 20 module_param_string(force_device_id, force_device_id, 21 sizeof(force_device_id), 0); 22 MODULE_PARM_DESC(force_device_id, "Override detected product"); 23 24 /* 25 * Get hardware mutex to block firmware from accessing the pld. 26 * It is possible for the firmware may hold the mutex for an extended length of 27 * time. This function will block until access has been granted. 28 */ 29 static void kempld_get_hardware_mutex(struct kempld_device_data *pld) 30 { 31 /* The mutex bit will read 1 until access has been granted */ 32 while (ioread8(pld->io_index) & KEMPLD_MUTEX_KEY) 33 usleep_range(1000, 3000); 34 } 35 36 static void kempld_release_hardware_mutex(struct kempld_device_data *pld) 37 { 38 /* The harware mutex is released when 1 is written to the mutex bit. */ 39 iowrite8(KEMPLD_MUTEX_KEY, pld->io_index); 40 } 41 42 static int kempld_get_info_generic(struct kempld_device_data *pld) 43 { 44 u16 version; 45 u8 spec; 46 47 kempld_get_mutex(pld); 48 49 version = kempld_read16(pld, KEMPLD_VERSION); 50 spec = kempld_read8(pld, KEMPLD_SPEC); 51 pld->info.buildnr = kempld_read16(pld, KEMPLD_BUILDNR); 52 53 pld->info.minor = KEMPLD_VERSION_GET_MINOR(version); 54 pld->info.major = KEMPLD_VERSION_GET_MAJOR(version); 55 pld->info.number = KEMPLD_VERSION_GET_NUMBER(version); 56 pld->info.type = KEMPLD_VERSION_GET_TYPE(version); 57 58 if (spec == 0xff) { 59 pld->info.spec_minor = 0; 60 pld->info.spec_major = 1; 61 } else { 62 pld->info.spec_minor = KEMPLD_SPEC_GET_MINOR(spec); 63 pld->info.spec_major = KEMPLD_SPEC_GET_MAJOR(spec); 64 } 65 66 if (pld->info.spec_major > 0) 67 pld->feature_mask = kempld_read16(pld, KEMPLD_FEATURE); 68 else 69 pld->feature_mask = 0; 70 71 kempld_release_mutex(pld); 72 73 return 0; 74 } 75 76 enum kempld_cells { 77 KEMPLD_I2C = 0, 78 KEMPLD_WDT, 79 KEMPLD_GPIO, 80 KEMPLD_UART, 81 }; 82 83 static const char *kempld_dev_names[] = { 84 [KEMPLD_I2C] = "kempld-i2c", 85 [KEMPLD_WDT] = "kempld-wdt", 86 [KEMPLD_GPIO] = "kempld-gpio", 87 [KEMPLD_UART] = "kempld-uart", 88 }; 89 90 #define KEMPLD_MAX_DEVS ARRAY_SIZE(kempld_dev_names) 91 92 static int kempld_register_cells_generic(struct kempld_device_data *pld) 93 { 94 struct mfd_cell devs[KEMPLD_MAX_DEVS] = {}; 95 int i = 0; 96 97 if (pld->feature_mask & KEMPLD_FEATURE_BIT_I2C) 98 devs[i++].name = kempld_dev_names[KEMPLD_I2C]; 99 100 if (pld->feature_mask & KEMPLD_FEATURE_BIT_WATCHDOG) 101 devs[i++].name = kempld_dev_names[KEMPLD_WDT]; 102 103 if (pld->feature_mask & KEMPLD_FEATURE_BIT_GPIO) 104 devs[i++].name = kempld_dev_names[KEMPLD_GPIO]; 105 106 if (pld->feature_mask & KEMPLD_FEATURE_MASK_UART) 107 devs[i++].name = kempld_dev_names[KEMPLD_UART]; 108 109 return mfd_add_devices(pld->dev, -1, devs, i, NULL, 0, NULL); 110 } 111 112 static struct resource kempld_ioresource = { 113 .start = KEMPLD_IOINDEX, 114 .end = KEMPLD_IODATA, 115 .flags = IORESOURCE_IO, 116 }; 117 118 static const struct kempld_platform_data kempld_platform_data_generic = { 119 .pld_clock = KEMPLD_CLK, 120 .ioresource = &kempld_ioresource, 121 .get_hardware_mutex = kempld_get_hardware_mutex, 122 .release_hardware_mutex = kempld_release_hardware_mutex, 123 .get_info = kempld_get_info_generic, 124 .register_cells = kempld_register_cells_generic, 125 }; 126 127 static struct platform_device *kempld_pdev; 128 129 static int kempld_create_platform_device(const struct dmi_system_id *id) 130 { 131 const struct kempld_platform_data *pdata = id->driver_data; 132 int ret; 133 134 kempld_pdev = platform_device_alloc("kempld", -1); 135 if (!kempld_pdev) 136 return -ENOMEM; 137 138 ret = platform_device_add_data(kempld_pdev, pdata, sizeof(*pdata)); 139 if (ret) 140 goto err; 141 142 ret = platform_device_add_resources(kempld_pdev, pdata->ioresource, 1); 143 if (ret) 144 goto err; 145 146 ret = platform_device_add(kempld_pdev); 147 if (ret) 148 goto err; 149 150 return 0; 151 err: 152 platform_device_put(kempld_pdev); 153 return ret; 154 } 155 156 /** 157 * kempld_read8 - read 8 bit register 158 * @pld: kempld_device_data structure describing the PLD 159 * @index: register index on the chip 160 * 161 * kempld_get_mutex must be called prior to calling this function. 162 */ 163 u8 kempld_read8(struct kempld_device_data *pld, u8 index) 164 { 165 iowrite8(index, pld->io_index); 166 return ioread8(pld->io_data); 167 } 168 EXPORT_SYMBOL_GPL(kempld_read8); 169 170 /** 171 * kempld_write8 - write 8 bit register 172 * @pld: kempld_device_data structure describing the PLD 173 * @index: register index on the chip 174 * @data: new register value 175 * 176 * kempld_get_mutex must be called prior to calling this function. 177 */ 178 void kempld_write8(struct kempld_device_data *pld, u8 index, u8 data) 179 { 180 iowrite8(index, pld->io_index); 181 iowrite8(data, pld->io_data); 182 } 183 EXPORT_SYMBOL_GPL(kempld_write8); 184 185 /** 186 * kempld_read16 - read 16 bit register 187 * @pld: kempld_device_data structure describing the PLD 188 * @index: register index on the chip 189 * 190 * kempld_get_mutex must be called prior to calling this function. 191 */ 192 u16 kempld_read16(struct kempld_device_data *pld, u8 index) 193 { 194 return kempld_read8(pld, index) | kempld_read8(pld, index + 1) << 8; 195 } 196 EXPORT_SYMBOL_GPL(kempld_read16); 197 198 /** 199 * kempld_write16 - write 16 bit register 200 * @pld: kempld_device_data structure describing the PLD 201 * @index: register index on the chip 202 * @data: new register value 203 * 204 * kempld_get_mutex must be called prior to calling this function. 205 */ 206 void kempld_write16(struct kempld_device_data *pld, u8 index, u16 data) 207 { 208 kempld_write8(pld, index, (u8)data); 209 kempld_write8(pld, index + 1, (u8)(data >> 8)); 210 } 211 EXPORT_SYMBOL_GPL(kempld_write16); 212 213 /** 214 * kempld_read32 - read 32 bit register 215 * @pld: kempld_device_data structure describing the PLD 216 * @index: register index on the chip 217 * 218 * kempld_get_mutex must be called prior to calling this function. 219 */ 220 u32 kempld_read32(struct kempld_device_data *pld, u8 index) 221 { 222 return kempld_read16(pld, index) | kempld_read16(pld, index + 2) << 16; 223 } 224 EXPORT_SYMBOL_GPL(kempld_read32); 225 226 /** 227 * kempld_write32 - write 32 bit register 228 * @pld: kempld_device_data structure describing the PLD 229 * @index: register index on the chip 230 * @data: new register value 231 * 232 * kempld_get_mutex must be called prior to calling this function. 233 */ 234 void kempld_write32(struct kempld_device_data *pld, u8 index, u32 data) 235 { 236 kempld_write16(pld, index, (u16)data); 237 kempld_write16(pld, index + 2, (u16)(data >> 16)); 238 } 239 EXPORT_SYMBOL_GPL(kempld_write32); 240 241 /** 242 * kempld_get_mutex - acquire PLD mutex 243 * @pld: kempld_device_data structure describing the PLD 244 */ 245 void kempld_get_mutex(struct kempld_device_data *pld) 246 { 247 const struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); 248 249 mutex_lock(&pld->lock); 250 pdata->get_hardware_mutex(pld); 251 } 252 EXPORT_SYMBOL_GPL(kempld_get_mutex); 253 254 /** 255 * kempld_release_mutex - release PLD mutex 256 * @pld: kempld_device_data structure describing the PLD 257 */ 258 void kempld_release_mutex(struct kempld_device_data *pld) 259 { 260 const struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); 261 262 pdata->release_hardware_mutex(pld); 263 mutex_unlock(&pld->lock); 264 } 265 EXPORT_SYMBOL_GPL(kempld_release_mutex); 266 267 /** 268 * kempld_get_info - update device specific information 269 * @pld: kempld_device_data structure describing the PLD 270 * 271 * This function calls the configured board specific kempld_get_info_XXXX 272 * function which is responsible for gathering information about the specific 273 * hardware. The information is then stored within the pld structure. 274 */ 275 static int kempld_get_info(struct kempld_device_data *pld) 276 { 277 int ret; 278 const struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); 279 char major, minor; 280 281 ret = pdata->get_info(pld); 282 if (ret) 283 return ret; 284 285 /* The Kontron PLD firmware version string has the following format: 286 * Pwxy.zzzz 287 * P: Fixed 288 * w: PLD number - 1 hex digit 289 * x: Major version - 1 alphanumerical digit (0-9A-V) 290 * y: Minor version - 1 alphanumerical digit (0-9A-V) 291 * zzzz: Build number - 4 zero padded hex digits */ 292 293 if (pld->info.major < 10) 294 major = pld->info.major + '0'; 295 else 296 major = (pld->info.major - 10) + 'A'; 297 if (pld->info.minor < 10) 298 minor = pld->info.minor + '0'; 299 else 300 minor = (pld->info.minor - 10) + 'A'; 301 302 ret = scnprintf(pld->info.version, sizeof(pld->info.version), 303 "P%X%c%c.%04X", pld->info.number, major, minor, 304 pld->info.buildnr); 305 if (ret < 0) 306 return ret; 307 308 return 0; 309 } 310 311 /* 312 * kempld_register_cells - register cell drivers 313 * 314 * This function registers cell drivers for the detected hardware by calling 315 * the configured kempld_register_cells_XXXX function which is responsible 316 * to detect and register the needed cell drivers. 317 */ 318 static int kempld_register_cells(struct kempld_device_data *pld) 319 { 320 const struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); 321 322 return pdata->register_cells(pld); 323 } 324 325 static const char *kempld_get_type_string(struct kempld_device_data *pld) 326 { 327 const char *version_type; 328 329 switch (pld->info.type) { 330 case 0: 331 version_type = "release"; 332 break; 333 case 1: 334 version_type = "debug"; 335 break; 336 case 2: 337 version_type = "custom"; 338 break; 339 default: 340 version_type = "unspecified"; 341 break; 342 } 343 344 return version_type; 345 } 346 347 static ssize_t pld_version_show(struct device *dev, 348 struct device_attribute *attr, char *buf) 349 { 350 struct kempld_device_data *pld = dev_get_drvdata(dev); 351 352 return sysfs_emit(buf, "%s\n", pld->info.version); 353 } 354 355 static ssize_t pld_specification_show(struct device *dev, 356 struct device_attribute *attr, char *buf) 357 { 358 struct kempld_device_data *pld = dev_get_drvdata(dev); 359 360 return sysfs_emit(buf, "%d.%d\n", pld->info.spec_major, pld->info.spec_minor); 361 } 362 363 static ssize_t pld_type_show(struct device *dev, 364 struct device_attribute *attr, char *buf) 365 { 366 struct kempld_device_data *pld = dev_get_drvdata(dev); 367 368 return sysfs_emit(buf, "%s\n", kempld_get_type_string(pld)); 369 } 370 371 static DEVICE_ATTR_RO(pld_version); 372 static DEVICE_ATTR_RO(pld_specification); 373 static DEVICE_ATTR_RO(pld_type); 374 375 static struct attribute *pld_attributes[] = { 376 &dev_attr_pld_version.attr, 377 &dev_attr_pld_specification.attr, 378 &dev_attr_pld_type.attr, 379 NULL 380 }; 381 382 static const struct attribute_group pld_attr_group = { 383 .attrs = pld_attributes, 384 }; 385 386 static int kempld_detect_device(struct kempld_device_data *pld) 387 { 388 u8 index_reg; 389 int ret; 390 391 mutex_lock(&pld->lock); 392 393 /* Check for empty IO space */ 394 index_reg = ioread8(pld->io_index); 395 if (index_reg == 0xff && ioread8(pld->io_data) == 0xff) { 396 mutex_unlock(&pld->lock); 397 return -ENODEV; 398 } 399 400 /* Release hardware mutex if acquired */ 401 if (!(index_reg & KEMPLD_MUTEX_KEY)) { 402 iowrite8(KEMPLD_MUTEX_KEY, pld->io_index); 403 /* PXT and COMe-cPC2 boards may require a second release */ 404 iowrite8(KEMPLD_MUTEX_KEY, pld->io_index); 405 } 406 407 mutex_unlock(&pld->lock); 408 409 ret = kempld_get_info(pld); 410 if (ret) 411 return ret; 412 413 dev_info(pld->dev, "Found Kontron PLD - %s (%s), spec %d.%d\n", 414 pld->info.version, kempld_get_type_string(pld), 415 pld->info.spec_major, pld->info.spec_minor); 416 417 ret = sysfs_create_group(&pld->dev->kobj, &pld_attr_group); 418 if (ret) 419 return ret; 420 421 ret = kempld_register_cells(pld); 422 if (ret) 423 sysfs_remove_group(&pld->dev->kobj, &pld_attr_group); 424 425 return ret; 426 } 427 428 #ifdef CONFIG_ACPI 429 static int kempld_get_acpi_data(struct platform_device *pdev) 430 { 431 struct list_head resource_list; 432 struct resource *resources; 433 struct resource_entry *rentry; 434 struct device *dev = &pdev->dev; 435 struct acpi_device *acpi_dev = ACPI_COMPANION(dev); 436 const struct kempld_platform_data *pdata; 437 int ret; 438 int count; 439 440 pdata = acpi_device_get_match_data(dev); 441 ret = platform_device_add_data(pdev, pdata, 442 sizeof(struct kempld_platform_data)); 443 if (ret) 444 return ret; 445 446 INIT_LIST_HEAD(&resource_list); 447 ret = acpi_dev_get_resources(acpi_dev, &resource_list, NULL, NULL); 448 if (ret < 0) 449 goto out; 450 451 count = ret; 452 453 if (count == 0) { 454 ret = platform_device_add_resources(pdev, pdata->ioresource, 1); 455 goto out; 456 } 457 458 resources = devm_kcalloc(&acpi_dev->dev, count, sizeof(*resources), 459 GFP_KERNEL); 460 if (!resources) { 461 ret = -ENOMEM; 462 goto out; 463 } 464 465 count = 0; 466 list_for_each_entry(rentry, &resource_list, node) { 467 memcpy(&resources[count], rentry->res, 468 sizeof(*resources)); 469 count++; 470 } 471 ret = platform_device_add_resources(pdev, resources, count); 472 473 out: 474 acpi_dev_free_resource_list(&resource_list); 475 476 return ret; 477 } 478 #else 479 static int kempld_get_acpi_data(struct platform_device *pdev) 480 { 481 return -ENODEV; 482 } 483 #endif /* CONFIG_ACPI */ 484 485 static int kempld_probe(struct platform_device *pdev) 486 { 487 const struct kempld_platform_data *pdata; 488 struct device *dev = &pdev->dev; 489 struct kempld_device_data *pld; 490 struct resource *ioport; 491 int ret; 492 493 if (kempld_pdev == NULL) { 494 /* 495 * No kempld_pdev device has been registered in kempld_init, 496 * so we seem to be probing an ACPI platform device. 497 */ 498 ret = kempld_get_acpi_data(pdev); 499 if (ret) 500 return ret; 501 } else if (kempld_pdev != pdev) { 502 /* 503 * The platform device we are probing is not the one we 504 * registered in kempld_init using the DMI table, so this one 505 * comes from ACPI. 506 * As we can only probe one - abort here and use the DMI 507 * based one instead. 508 */ 509 dev_notice(dev, "platform device exists - not using ACPI\n"); 510 return -ENODEV; 511 } 512 pdata = dev_get_platdata(dev); 513 514 pld = devm_kzalloc(dev, sizeof(*pld), GFP_KERNEL); 515 if (!pld) 516 return -ENOMEM; 517 518 ioport = platform_get_resource(pdev, IORESOURCE_IO, 0); 519 if (!ioport) 520 return -EINVAL; 521 522 pld->io_base = devm_ioport_map(dev, ioport->start, 523 resource_size(ioport)); 524 if (!pld->io_base) 525 return -ENOMEM; 526 527 pld->io_index = pld->io_base; 528 pld->io_data = pld->io_base + 1; 529 pld->pld_clock = pdata->pld_clock; 530 pld->dev = dev; 531 532 mutex_init(&pld->lock); 533 platform_set_drvdata(pdev, pld); 534 535 return kempld_detect_device(pld); 536 } 537 538 static int kempld_remove(struct platform_device *pdev) 539 { 540 struct kempld_device_data *pld = platform_get_drvdata(pdev); 541 const struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); 542 543 sysfs_remove_group(&pld->dev->kobj, &pld_attr_group); 544 545 mfd_remove_devices(&pdev->dev); 546 pdata->release_hardware_mutex(pld); 547 548 return 0; 549 } 550 551 #ifdef CONFIG_ACPI 552 static const struct acpi_device_id kempld_acpi_table[] = { 553 { "KEM0000", (kernel_ulong_t)&kempld_platform_data_generic }, 554 { "KEM0001", (kernel_ulong_t)&kempld_platform_data_generic }, 555 {} 556 }; 557 MODULE_DEVICE_TABLE(acpi, kempld_acpi_table); 558 #endif 559 560 static struct platform_driver kempld_driver = { 561 .driver = { 562 .name = "kempld", 563 .acpi_match_table = ACPI_PTR(kempld_acpi_table), 564 }, 565 .probe = kempld_probe, 566 .remove = kempld_remove, 567 }; 568 569 static const struct dmi_system_id kempld_dmi_table[] __initconst = { 570 { 571 .ident = "BBD6", 572 .matches = { 573 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 574 DMI_MATCH(DMI_BOARD_NAME, "COMe-bBD"), 575 }, 576 .driver_data = (void *)&kempld_platform_data_generic, 577 .callback = kempld_create_platform_device, 578 }, { 579 .ident = "BBL6", 580 .matches = { 581 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 582 DMI_MATCH(DMI_BOARD_NAME, "COMe-bBL6"), 583 }, 584 .driver_data = (void *)&kempld_platform_data_generic, 585 .callback = kempld_create_platform_device, 586 }, { 587 .ident = "BDV7", 588 .matches = { 589 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 590 DMI_MATCH(DMI_BOARD_NAME, "COMe-bDV7"), 591 }, 592 .driver_data = (void *)&kempld_platform_data_generic, 593 .callback = kempld_create_platform_device, 594 }, { 595 .ident = "BHL6", 596 .matches = { 597 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 598 DMI_MATCH(DMI_BOARD_NAME, "COMe-bHL6"), 599 }, 600 .driver_data = (void *)&kempld_platform_data_generic, 601 .callback = kempld_create_platform_device, 602 }, { 603 .ident = "BKL6", 604 .matches = { 605 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 606 DMI_MATCH(DMI_BOARD_NAME, "COMe-bKL6"), 607 }, 608 .driver_data = (void *)&kempld_platform_data_generic, 609 .callback = kempld_create_platform_device, 610 }, { 611 .ident = "BSL6", 612 .matches = { 613 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 614 DMI_MATCH(DMI_BOARD_NAME, "COMe-bSL6"), 615 }, 616 .driver_data = (void *)&kempld_platform_data_generic, 617 .callback = kempld_create_platform_device, 618 }, { 619 .ident = "CAL6", 620 .matches = { 621 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 622 DMI_MATCH(DMI_BOARD_NAME, "COMe-cAL"), 623 }, 624 .driver_data = (void *)&kempld_platform_data_generic, 625 .callback = kempld_create_platform_device, 626 }, { 627 .ident = "CBL6", 628 .matches = { 629 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 630 DMI_MATCH(DMI_BOARD_NAME, "COMe-cBL6"), 631 }, 632 .driver_data = (void *)&kempld_platform_data_generic, 633 .callback = kempld_create_platform_device, 634 }, { 635 .ident = "CBW6", 636 .matches = { 637 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 638 DMI_MATCH(DMI_BOARD_NAME, "COMe-cBW6"), 639 }, 640 .driver_data = (void *)&kempld_platform_data_generic, 641 .callback = kempld_create_platform_device, 642 }, { 643 .ident = "CCR2", 644 .matches = { 645 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 646 DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP2"), 647 }, 648 .driver_data = (void *)&kempld_platform_data_generic, 649 .callback = kempld_create_platform_device, 650 }, { 651 .ident = "CCR6", 652 .matches = { 653 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 654 DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP6"), 655 }, 656 .driver_data = (void *)&kempld_platform_data_generic, 657 .callback = kempld_create_platform_device, 658 }, { 659 .ident = "CDV7", 660 .matches = { 661 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 662 DMI_MATCH(DMI_BOARD_NAME, "COMe-cDV7"), 663 }, 664 .driver_data = (void *)&kempld_platform_data_generic, 665 .callback = kempld_create_platform_device, 666 }, { 667 .ident = "CHL6", 668 .matches = { 669 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 670 DMI_MATCH(DMI_BOARD_NAME, "COMe-cHL6"), 671 }, 672 .driver_data = (void *)&kempld_platform_data_generic, 673 .callback = kempld_create_platform_device, 674 }, { 675 .ident = "CHR2", 676 .matches = { 677 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 678 DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T2"), 679 }, 680 .driver_data = (void *)&kempld_platform_data_generic, 681 .callback = kempld_create_platform_device, 682 }, { 683 .ident = "CHR2", 684 .matches = { 685 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 686 DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T2"), 687 }, 688 .driver_data = (void *)&kempld_platform_data_generic, 689 .callback = kempld_create_platform_device, 690 }, { 691 .ident = "CHR2", 692 .matches = { 693 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 694 DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC2"), 695 }, 696 .driver_data = (void *)&kempld_platform_data_generic, 697 .callback = kempld_create_platform_device, 698 }, { 699 .ident = "CHR6", 700 .matches = { 701 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 702 DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T6"), 703 }, 704 .driver_data = (void *)&kempld_platform_data_generic, 705 .callback = kempld_create_platform_device, 706 }, { 707 .ident = "CHR6", 708 .matches = { 709 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 710 DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T6"), 711 }, 712 .driver_data = (void *)&kempld_platform_data_generic, 713 .callback = kempld_create_platform_device, 714 }, { 715 .ident = "CHR6", 716 .matches = { 717 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 718 DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC6"), 719 }, 720 .driver_data = (void *)&kempld_platform_data_generic, 721 .callback = kempld_create_platform_device, 722 }, { 723 .ident = "CKL6", 724 .matches = { 725 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 726 DMI_MATCH(DMI_BOARD_NAME, "COMe-cKL6"), 727 }, 728 .driver_data = (void *)&kempld_platform_data_generic, 729 .callback = kempld_create_platform_device, 730 }, { 731 .ident = "CNTG", 732 .matches = { 733 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 734 DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-PC"), 735 }, 736 .driver_data = (void *)&kempld_platform_data_generic, 737 .callback = kempld_create_platform_device, 738 }, { 739 .ident = "CNTG", 740 .matches = { 741 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 742 DMI_MATCH(DMI_BOARD_NAME, "COMe-bPC2"), 743 }, 744 .driver_data = (void *)&kempld_platform_data_generic, 745 .callback = kempld_create_platform_device, 746 }, { 747 .ident = "CNTX", 748 .matches = { 749 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 750 DMI_MATCH(DMI_BOARD_NAME, "PXT"), 751 }, 752 .driver_data = (void *)&kempld_platform_data_generic, 753 .callback = kempld_create_platform_device, 754 }, { 755 .ident = "CSL6", 756 .matches = { 757 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 758 DMI_MATCH(DMI_BOARD_NAME, "COMe-cSL6"), 759 }, 760 .driver_data = (void *)&kempld_platform_data_generic, 761 .callback = kempld_create_platform_device, 762 }, { 763 .ident = "CVV6", 764 .matches = { 765 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 766 DMI_MATCH(DMI_BOARD_NAME, "COMe-cBT"), 767 }, 768 .driver_data = (void *)&kempld_platform_data_generic, 769 .callback = kempld_create_platform_device, 770 }, { 771 .ident = "FRI2", 772 .matches = { 773 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 774 DMI_MATCH(DMI_BIOS_VERSION, "FRI2"), 775 }, 776 .driver_data = (void *)&kempld_platform_data_generic, 777 .callback = kempld_create_platform_device, 778 }, { 779 .ident = "FRI2", 780 .matches = { 781 DMI_MATCH(DMI_PRODUCT_NAME, "Fish River Island II"), 782 }, 783 .driver_data = (void *)&kempld_platform_data_generic, 784 .callback = kempld_create_platform_device, 785 }, { 786 .ident = "A203", 787 .matches = { 788 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 789 DMI_MATCH(DMI_BOARD_NAME, "KBox A-203"), 790 }, 791 .driver_data = (void *)&kempld_platform_data_generic, 792 .callback = kempld_create_platform_device, 793 }, { 794 .ident = "M4A1", 795 .matches = { 796 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 797 DMI_MATCH(DMI_BOARD_NAME, "COMe-m4AL"), 798 }, 799 .driver_data = (void *)&kempld_platform_data_generic, 800 .callback = kempld_create_platform_device, 801 }, { 802 .ident = "MAL1", 803 .matches = { 804 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 805 DMI_MATCH(DMI_BOARD_NAME, "COMe-mAL10"), 806 }, 807 .driver_data = (void *)&kempld_platform_data_generic, 808 .callback = kempld_create_platform_device, 809 }, { 810 .ident = "MAPL", 811 .matches = { 812 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 813 DMI_MATCH(DMI_BOARD_NAME, "mITX-APL"), 814 }, 815 .driver_data = (void *)&kempld_platform_data_generic, 816 .callback = kempld_create_platform_device, 817 }, { 818 .ident = "MBR1", 819 .matches = { 820 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 821 DMI_MATCH(DMI_BOARD_NAME, "ETX-OH"), 822 }, 823 .driver_data = (void *)&kempld_platform_data_generic, 824 .callback = kempld_create_platform_device, 825 }, { 826 .ident = "MVV1", 827 .matches = { 828 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 829 DMI_MATCH(DMI_BOARD_NAME, "COMe-mBT"), 830 }, 831 .driver_data = (void *)&kempld_platform_data_generic, 832 .callback = kempld_create_platform_device, 833 }, { 834 .ident = "NTC1", 835 .matches = { 836 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 837 DMI_MATCH(DMI_BOARD_NAME, "nanoETXexpress-TT"), 838 }, 839 .driver_data = (void *)&kempld_platform_data_generic, 840 .callback = kempld_create_platform_device, 841 }, { 842 .ident = "NTC1", 843 .matches = { 844 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 845 DMI_MATCH(DMI_BOARD_NAME, "nETXe-TT"), 846 }, 847 .driver_data = (void *)&kempld_platform_data_generic, 848 .callback = kempld_create_platform_device, 849 }, { 850 .ident = "NTC1", 851 .matches = { 852 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 853 DMI_MATCH(DMI_BOARD_NAME, "COMe-mTT"), 854 }, 855 .driver_data = (void *)&kempld_platform_data_generic, 856 .callback = kempld_create_platform_device, 857 }, { 858 .ident = "NUP1", 859 .matches = { 860 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 861 DMI_MATCH(DMI_BOARD_NAME, "COMe-mCT"), 862 }, 863 .driver_data = (void *)&kempld_platform_data_generic, 864 .callback = kempld_create_platform_device, 865 }, { 866 .ident = "PAPL", 867 .matches = { 868 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 869 DMI_MATCH(DMI_BOARD_NAME, "pITX-APL"), 870 }, 871 .driver_data = (void *)&kempld_platform_data_generic, 872 .callback = kempld_create_platform_device, 873 }, { 874 .ident = "SXAL", 875 .matches = { 876 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 877 DMI_MATCH(DMI_BOARD_NAME, "SMARC-sXAL"), 878 }, 879 .driver_data = (void *)&kempld_platform_data_generic, 880 .callback = kempld_create_platform_device, 881 }, { 882 .ident = "SXAL4", 883 .matches = { 884 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 885 DMI_MATCH(DMI_BOARD_NAME, "SMARC-sXA4"), 886 }, 887 .driver_data = (void *)&kempld_platform_data_generic, 888 .callback = kempld_create_platform_device, 889 }, { 890 .ident = "UNP1", 891 .matches = { 892 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 893 DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-DC"), 894 }, 895 .driver_data = (void *)&kempld_platform_data_generic, 896 .callback = kempld_create_platform_device, 897 }, { 898 .ident = "UNP1", 899 .matches = { 900 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 901 DMI_MATCH(DMI_BOARD_NAME, "COMe-cDC2"), 902 }, 903 .driver_data = (void *)&kempld_platform_data_generic, 904 .callback = kempld_create_platform_device, 905 }, { 906 .ident = "UNTG", 907 .matches = { 908 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 909 DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-PC"), 910 }, 911 .driver_data = (void *)&kempld_platform_data_generic, 912 .callback = kempld_create_platform_device, 913 }, { 914 .ident = "UNTG", 915 .matches = { 916 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 917 DMI_MATCH(DMI_BOARD_NAME, "COMe-cPC2"), 918 }, 919 .driver_data = (void *)&kempld_platform_data_generic, 920 .callback = kempld_create_platform_device, 921 }, { 922 .ident = "UUP6", 923 .matches = { 924 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 925 DMI_MATCH(DMI_BOARD_NAME, "COMe-cCT6"), 926 }, 927 .driver_data = (void *)&kempld_platform_data_generic, 928 .callback = kempld_create_platform_device, 929 }, { 930 .ident = "UTH6", 931 .matches = { 932 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 933 DMI_MATCH(DMI_BOARD_NAME, "COMe-cTH6"), 934 }, 935 .driver_data = (void *)&kempld_platform_data_generic, 936 .callback = kempld_create_platform_device, 937 }, { 938 .ident = "Q7AL", 939 .matches = { 940 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 941 DMI_MATCH(DMI_BOARD_NAME, "Qseven-Q7AL"), 942 }, 943 .driver_data = (void *)&kempld_platform_data_generic, 944 .callback = kempld_create_platform_device, 945 }, 946 {} 947 }; 948 MODULE_DEVICE_TABLE(dmi, kempld_dmi_table); 949 950 static int __init kempld_init(void) 951 { 952 const struct dmi_system_id *id; 953 954 if (force_device_id[0]) { 955 for (id = kempld_dmi_table; 956 id->matches[0].slot != DMI_NONE; id++) 957 if (strstr(id->ident, force_device_id)) 958 if (id->callback && !id->callback(id)) 959 break; 960 if (id->matches[0].slot == DMI_NONE) 961 return -ENODEV; 962 } else { 963 dmi_check_system(kempld_dmi_table); 964 } 965 966 return platform_driver_register(&kempld_driver); 967 } 968 969 static void __exit kempld_exit(void) 970 { 971 if (kempld_pdev) 972 platform_device_unregister(kempld_pdev); 973 974 platform_driver_unregister(&kempld_driver); 975 } 976 977 module_init(kempld_init); 978 module_exit(kempld_exit); 979 980 MODULE_DESCRIPTION("KEM PLD Core Driver"); 981 MODULE_AUTHOR("Michael Brunner <michael.brunner@kontron.com>"); 982 MODULE_LICENSE("GPL"); 983 MODULE_ALIAS("platform:kempld-core"); 984