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 void 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 } 548 549 #ifdef CONFIG_ACPI 550 static const struct acpi_device_id kempld_acpi_table[] = { 551 { "KEM0000", (kernel_ulong_t)&kempld_platform_data_generic }, 552 { "KEM0001", (kernel_ulong_t)&kempld_platform_data_generic }, 553 {} 554 }; 555 MODULE_DEVICE_TABLE(acpi, kempld_acpi_table); 556 #endif 557 558 static struct platform_driver kempld_driver = { 559 .driver = { 560 .name = "kempld", 561 .acpi_match_table = ACPI_PTR(kempld_acpi_table), 562 }, 563 .probe = kempld_probe, 564 .remove_new = kempld_remove, 565 }; 566 567 static const struct dmi_system_id kempld_dmi_table[] __initconst = { 568 { 569 .ident = "BBD6", 570 .matches = { 571 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 572 DMI_MATCH(DMI_BOARD_NAME, "COMe-bBD"), 573 }, 574 .driver_data = (void *)&kempld_platform_data_generic, 575 .callback = kempld_create_platform_device, 576 }, { 577 .ident = "BBL6", 578 .matches = { 579 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 580 DMI_MATCH(DMI_BOARD_NAME, "COMe-bBL6"), 581 }, 582 .driver_data = (void *)&kempld_platform_data_generic, 583 .callback = kempld_create_platform_device, 584 }, { 585 .ident = "BDV7", 586 .matches = { 587 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 588 DMI_MATCH(DMI_BOARD_NAME, "COMe-bDV7"), 589 }, 590 .driver_data = (void *)&kempld_platform_data_generic, 591 .callback = kempld_create_platform_device, 592 }, { 593 .ident = "BHL6", 594 .matches = { 595 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 596 DMI_MATCH(DMI_BOARD_NAME, "COMe-bHL6"), 597 }, 598 .driver_data = (void *)&kempld_platform_data_generic, 599 .callback = kempld_create_platform_device, 600 }, { 601 .ident = "BKL6", 602 .matches = { 603 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 604 DMI_MATCH(DMI_BOARD_NAME, "COMe-bKL6"), 605 }, 606 .driver_data = (void *)&kempld_platform_data_generic, 607 .callback = kempld_create_platform_device, 608 }, { 609 .ident = "BSL6", 610 .matches = { 611 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 612 DMI_MATCH(DMI_BOARD_NAME, "COMe-bSL6"), 613 }, 614 .driver_data = (void *)&kempld_platform_data_generic, 615 .callback = kempld_create_platform_device, 616 }, { 617 .ident = "CAL6", 618 .matches = { 619 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 620 DMI_MATCH(DMI_BOARD_NAME, "COMe-cAL"), 621 }, 622 .driver_data = (void *)&kempld_platform_data_generic, 623 .callback = kempld_create_platform_device, 624 }, { 625 .ident = "CBL6", 626 .matches = { 627 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 628 DMI_MATCH(DMI_BOARD_NAME, "COMe-cBL6"), 629 }, 630 .driver_data = (void *)&kempld_platform_data_generic, 631 .callback = kempld_create_platform_device, 632 }, { 633 .ident = "CBW6", 634 .matches = { 635 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 636 DMI_MATCH(DMI_BOARD_NAME, "COMe-cBW6"), 637 }, 638 .driver_data = (void *)&kempld_platform_data_generic, 639 .callback = kempld_create_platform_device, 640 }, { 641 .ident = "CCR2", 642 .matches = { 643 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 644 DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP2"), 645 }, 646 .driver_data = (void *)&kempld_platform_data_generic, 647 .callback = kempld_create_platform_device, 648 }, { 649 .ident = "CCR6", 650 .matches = { 651 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 652 DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP6"), 653 }, 654 .driver_data = (void *)&kempld_platform_data_generic, 655 .callback = kempld_create_platform_device, 656 }, { 657 .ident = "CDV7", 658 .matches = { 659 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 660 DMI_MATCH(DMI_BOARD_NAME, "COMe-cDV7"), 661 }, 662 .driver_data = (void *)&kempld_platform_data_generic, 663 .callback = kempld_create_platform_device, 664 }, { 665 .ident = "CHL6", 666 .matches = { 667 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 668 DMI_MATCH(DMI_BOARD_NAME, "COMe-cHL6"), 669 }, 670 .driver_data = (void *)&kempld_platform_data_generic, 671 .callback = kempld_create_platform_device, 672 }, { 673 .ident = "CHR2", 674 .matches = { 675 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 676 DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T2"), 677 }, 678 .driver_data = (void *)&kempld_platform_data_generic, 679 .callback = kempld_create_platform_device, 680 }, { 681 .ident = "CHR2", 682 .matches = { 683 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 684 DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T2"), 685 }, 686 .driver_data = (void *)&kempld_platform_data_generic, 687 .callback = kempld_create_platform_device, 688 }, { 689 .ident = "CHR2", 690 .matches = { 691 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 692 DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC2"), 693 }, 694 .driver_data = (void *)&kempld_platform_data_generic, 695 .callback = kempld_create_platform_device, 696 }, { 697 .ident = "CHR6", 698 .matches = { 699 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 700 DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T6"), 701 }, 702 .driver_data = (void *)&kempld_platform_data_generic, 703 .callback = kempld_create_platform_device, 704 }, { 705 .ident = "CHR6", 706 .matches = { 707 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 708 DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T6"), 709 }, 710 .driver_data = (void *)&kempld_platform_data_generic, 711 .callback = kempld_create_platform_device, 712 }, { 713 .ident = "CHR6", 714 .matches = { 715 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 716 DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC6"), 717 }, 718 .driver_data = (void *)&kempld_platform_data_generic, 719 .callback = kempld_create_platform_device, 720 }, { 721 .ident = "CKL6", 722 .matches = { 723 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 724 DMI_MATCH(DMI_BOARD_NAME, "COMe-cKL6"), 725 }, 726 .driver_data = (void *)&kempld_platform_data_generic, 727 .callback = kempld_create_platform_device, 728 }, { 729 .ident = "CNTG", 730 .matches = { 731 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 732 DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-PC"), 733 }, 734 .driver_data = (void *)&kempld_platform_data_generic, 735 .callback = kempld_create_platform_device, 736 }, { 737 .ident = "CNTG", 738 .matches = { 739 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 740 DMI_MATCH(DMI_BOARD_NAME, "COMe-bPC2"), 741 }, 742 .driver_data = (void *)&kempld_platform_data_generic, 743 .callback = kempld_create_platform_device, 744 }, { 745 .ident = "CNTX", 746 .matches = { 747 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 748 DMI_MATCH(DMI_BOARD_NAME, "PXT"), 749 }, 750 .driver_data = (void *)&kempld_platform_data_generic, 751 .callback = kempld_create_platform_device, 752 }, { 753 .ident = "CSL6", 754 .matches = { 755 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 756 DMI_MATCH(DMI_BOARD_NAME, "COMe-cSL6"), 757 }, 758 .driver_data = (void *)&kempld_platform_data_generic, 759 .callback = kempld_create_platform_device, 760 }, { 761 .ident = "CVV6", 762 .matches = { 763 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 764 DMI_MATCH(DMI_BOARD_NAME, "COMe-cBT"), 765 }, 766 .driver_data = (void *)&kempld_platform_data_generic, 767 .callback = kempld_create_platform_device, 768 }, { 769 .ident = "FRI2", 770 .matches = { 771 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 772 DMI_MATCH(DMI_BIOS_VERSION, "FRI2"), 773 }, 774 .driver_data = (void *)&kempld_platform_data_generic, 775 .callback = kempld_create_platform_device, 776 }, { 777 .ident = "FRI2", 778 .matches = { 779 DMI_MATCH(DMI_PRODUCT_NAME, "Fish River Island II"), 780 }, 781 .driver_data = (void *)&kempld_platform_data_generic, 782 .callback = kempld_create_platform_device, 783 }, { 784 .ident = "A203", 785 .matches = { 786 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 787 DMI_MATCH(DMI_BOARD_NAME, "KBox A-203"), 788 }, 789 .driver_data = (void *)&kempld_platform_data_generic, 790 .callback = kempld_create_platform_device, 791 }, { 792 .ident = "M4A1", 793 .matches = { 794 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 795 DMI_MATCH(DMI_BOARD_NAME, "COMe-m4AL"), 796 }, 797 .driver_data = (void *)&kempld_platform_data_generic, 798 .callback = kempld_create_platform_device, 799 }, { 800 .ident = "MAL1", 801 .matches = { 802 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 803 DMI_MATCH(DMI_BOARD_NAME, "COMe-mAL10"), 804 }, 805 .driver_data = (void *)&kempld_platform_data_generic, 806 .callback = kempld_create_platform_device, 807 }, { 808 .ident = "MAPL", 809 .matches = { 810 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 811 DMI_MATCH(DMI_BOARD_NAME, "mITX-APL"), 812 }, 813 .driver_data = (void *)&kempld_platform_data_generic, 814 .callback = kempld_create_platform_device, 815 }, { 816 .ident = "MBR1", 817 .matches = { 818 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 819 DMI_MATCH(DMI_BOARD_NAME, "ETX-OH"), 820 }, 821 .driver_data = (void *)&kempld_platform_data_generic, 822 .callback = kempld_create_platform_device, 823 }, { 824 .ident = "MVV1", 825 .matches = { 826 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 827 DMI_MATCH(DMI_BOARD_NAME, "COMe-mBT"), 828 }, 829 .driver_data = (void *)&kempld_platform_data_generic, 830 .callback = kempld_create_platform_device, 831 }, { 832 .ident = "NTC1", 833 .matches = { 834 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 835 DMI_MATCH(DMI_BOARD_NAME, "nanoETXexpress-TT"), 836 }, 837 .driver_data = (void *)&kempld_platform_data_generic, 838 .callback = kempld_create_platform_device, 839 }, { 840 .ident = "NTC1", 841 .matches = { 842 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 843 DMI_MATCH(DMI_BOARD_NAME, "nETXe-TT"), 844 }, 845 .driver_data = (void *)&kempld_platform_data_generic, 846 .callback = kempld_create_platform_device, 847 }, { 848 .ident = "NTC1", 849 .matches = { 850 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 851 DMI_MATCH(DMI_BOARD_NAME, "COMe-mTT"), 852 }, 853 .driver_data = (void *)&kempld_platform_data_generic, 854 .callback = kempld_create_platform_device, 855 }, { 856 .ident = "NUP1", 857 .matches = { 858 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 859 DMI_MATCH(DMI_BOARD_NAME, "COMe-mCT"), 860 }, 861 .driver_data = (void *)&kempld_platform_data_generic, 862 .callback = kempld_create_platform_device, 863 }, { 864 .ident = "PAPL", 865 .matches = { 866 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 867 DMI_MATCH(DMI_BOARD_NAME, "pITX-APL"), 868 }, 869 .driver_data = (void *)&kempld_platform_data_generic, 870 .callback = kempld_create_platform_device, 871 }, { 872 .ident = "SXAL", 873 .matches = { 874 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 875 DMI_MATCH(DMI_BOARD_NAME, "SMARC-sXAL"), 876 }, 877 .driver_data = (void *)&kempld_platform_data_generic, 878 .callback = kempld_create_platform_device, 879 }, { 880 .ident = "SXAL4", 881 .matches = { 882 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 883 DMI_MATCH(DMI_BOARD_NAME, "SMARC-sXA4"), 884 }, 885 .driver_data = (void *)&kempld_platform_data_generic, 886 .callback = kempld_create_platform_device, 887 }, { 888 .ident = "UNP1", 889 .matches = { 890 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 891 DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-DC"), 892 }, 893 .driver_data = (void *)&kempld_platform_data_generic, 894 .callback = kempld_create_platform_device, 895 }, { 896 .ident = "UNP1", 897 .matches = { 898 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 899 DMI_MATCH(DMI_BOARD_NAME, "COMe-cDC2"), 900 }, 901 .driver_data = (void *)&kempld_platform_data_generic, 902 .callback = kempld_create_platform_device, 903 }, { 904 .ident = "UNTG", 905 .matches = { 906 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 907 DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-PC"), 908 }, 909 .driver_data = (void *)&kempld_platform_data_generic, 910 .callback = kempld_create_platform_device, 911 }, { 912 .ident = "UNTG", 913 .matches = { 914 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 915 DMI_MATCH(DMI_BOARD_NAME, "COMe-cPC2"), 916 }, 917 .driver_data = (void *)&kempld_platform_data_generic, 918 .callback = kempld_create_platform_device, 919 }, { 920 .ident = "UUP6", 921 .matches = { 922 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 923 DMI_MATCH(DMI_BOARD_NAME, "COMe-cCT6"), 924 }, 925 .driver_data = (void *)&kempld_platform_data_generic, 926 .callback = kempld_create_platform_device, 927 }, { 928 .ident = "UTH6", 929 .matches = { 930 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 931 DMI_MATCH(DMI_BOARD_NAME, "COMe-cTH6"), 932 }, 933 .driver_data = (void *)&kempld_platform_data_generic, 934 .callback = kempld_create_platform_device, 935 }, { 936 .ident = "Q7AL", 937 .matches = { 938 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 939 DMI_MATCH(DMI_BOARD_NAME, "Qseven-Q7AL"), 940 }, 941 .driver_data = (void *)&kempld_platform_data_generic, 942 .callback = kempld_create_platform_device, 943 }, 944 {} 945 }; 946 MODULE_DEVICE_TABLE(dmi, kempld_dmi_table); 947 948 static int __init kempld_init(void) 949 { 950 const struct dmi_system_id *id; 951 952 if (force_device_id[0]) { 953 for (id = kempld_dmi_table; 954 id->matches[0].slot != DMI_NONE; id++) 955 if (strstr(id->ident, force_device_id)) 956 if (id->callback && !id->callback(id)) 957 break; 958 if (id->matches[0].slot == DMI_NONE) 959 return -ENODEV; 960 } else { 961 dmi_check_system(kempld_dmi_table); 962 } 963 964 return platform_driver_register(&kempld_driver); 965 } 966 967 static void __exit kempld_exit(void) 968 { 969 if (kempld_pdev) 970 platform_device_unregister(kempld_pdev); 971 972 platform_driver_unregister(&kempld_driver); 973 } 974 975 module_init(kempld_init); 976 module_exit(kempld_exit); 977 978 MODULE_DESCRIPTION("KEM PLD Core Driver"); 979 MODULE_AUTHOR("Michael Brunner <michael.brunner@kontron.com>"); 980 MODULE_LICENSE("GPL"); 981 MODULE_ALIAS("platform:kempld-core"); 982