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 19static char force_device_id[MAX_ID_LEN + 1] = ""; 20module_param_string(force_device_id, force_device_id, 21 sizeof(force_device_id), 0); 22MODULE_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 */ 29static 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 36static 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 42static 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 76enum kempld_cells { 77 KEMPLD_I2C = 0, 78 KEMPLD_WDT, 79 KEMPLD_GPIO, 80 KEMPLD_UART, 81}; 82 83static 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 92static 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 112static struct resource kempld_ioresource = { 113 .start = KEMPLD_IOINDEX, 114 .end = KEMPLD_IODATA, 115 .flags = IORESOURCE_IO, 116}; 117 118static 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 127static struct platform_device *kempld_pdev; 128 129static 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; 151err: 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 */ 163u8 kempld_read8(struct kempld_device_data *pld, u8 index) 164{ 165 iowrite8(index, pld->io_index); 166 return ioread8(pld->io_data); 167} 168EXPORT_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 */ 178void 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} 183EXPORT_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 */ 192u16 kempld_read16(struct kempld_device_data *pld, u8 index) 193{ 194 return kempld_read8(pld, index) | kempld_read8(pld, index + 1) << 8; 195} 196EXPORT_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 */ 206void 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} 211EXPORT_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 */ 220u32 kempld_read32(struct kempld_device_data *pld, u8 index) 221{ 222 return kempld_read16(pld, index) | kempld_read16(pld, index + 2) << 16; 223} 224EXPORT_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 */ 234void 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} 239EXPORT_SYMBOL_GPL(kempld_write32); 240 241/** 242 * kempld_get_mutex - acquire PLD mutex 243 * @pld: kempld_device_data structure describing the PLD 244 */ 245void 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} 252EXPORT_SYMBOL_GPL(kempld_get_mutex); 253 254/** 255 * kempld_release_mutex - release PLD mutex 256 * @pld: kempld_device_data structure describing the PLD 257 */ 258void 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} 265EXPORT_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 */ 275static 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 */ 318static 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 325static 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 347static 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 355static 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 363static 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 371static DEVICE_ATTR_RO(pld_version); 372static DEVICE_ATTR_RO(pld_specification); 373static DEVICE_ATTR_RO(pld_type); 374 375static 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 382static const struct attribute_group pld_attr_group = { 383 .attrs = pld_attributes, 384}; 385 386static 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 429static int kempld_get_acpi_data(struct platform_device *pdev) 430{ 431 struct device *dev = &pdev->dev; 432 const struct kempld_platform_data *pdata; 433 int ret; 434 435 pdata = acpi_device_get_match_data(dev); 436 ret = platform_device_add_data(pdev, pdata, 437 sizeof(struct kempld_platform_data)); 438 439 return ret; 440} 441#else 442static int kempld_get_acpi_data(struct platform_device *pdev) 443{ 444 return -ENODEV; 445} 446#endif /* CONFIG_ACPI */ 447 448static int kempld_probe(struct platform_device *pdev) 449{ 450 const struct kempld_platform_data *pdata; 451 struct device *dev = &pdev->dev; 452 struct kempld_device_data *pld; 453 struct resource *ioport; 454 int ret; 455 456 if (kempld_pdev == NULL) { 457 /* 458 * No kempld_pdev device has been registered in kempld_init, 459 * so we seem to be probing an ACPI platform device. 460 */ 461 ret = kempld_get_acpi_data(pdev); 462 if (ret) 463 return ret; 464 } else if (kempld_pdev != pdev) { 465 /* 466 * The platform device we are probing is not the one we 467 * registered in kempld_init using the DMI table, so this one 468 * comes from ACPI. 469 * As we can only probe one - abort here and use the DMI 470 * based one instead. 471 */ 472 dev_notice(dev, "platform device exists - not using ACPI\n"); 473 return -ENODEV; 474 } 475 pdata = dev_get_platdata(dev); 476 477 pld = devm_kzalloc(dev, sizeof(*pld), GFP_KERNEL); 478 if (!pld) 479 return -ENOMEM; 480 481 ioport = platform_get_resource(pdev, IORESOURCE_IO, 0); 482 if (!ioport) 483 return -EINVAL; 484 485 pld->io_base = devm_ioport_map(dev, ioport->start, 486 resource_size(ioport)); 487 if (!pld->io_base) 488 return -ENOMEM; 489 490 pld->io_index = pld->io_base; 491 pld->io_data = pld->io_base + 1; 492 pld->pld_clock = pdata->pld_clock; 493 pld->dev = dev; 494 495 mutex_init(&pld->lock); 496 platform_set_drvdata(pdev, pld); 497 498 return kempld_detect_device(pld); 499} 500 501static void kempld_remove(struct platform_device *pdev) 502{ 503 struct kempld_device_data *pld = platform_get_drvdata(pdev); 504 const struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); 505 506 sysfs_remove_group(&pld->dev->kobj, &pld_attr_group); 507 508 mfd_remove_devices(&pdev->dev); 509 pdata->release_hardware_mutex(pld); 510} 511 512#ifdef CONFIG_ACPI 513static const struct acpi_device_id kempld_acpi_table[] = { 514 { "KEM0000", (kernel_ulong_t)&kempld_platform_data_generic }, 515 { "KEM0001", (kernel_ulong_t)&kempld_platform_data_generic }, 516 {} 517}; 518MODULE_DEVICE_TABLE(acpi, kempld_acpi_table); 519#endif 520 521static struct platform_driver kempld_driver = { 522 .driver = { 523 .name = "kempld", 524 .acpi_match_table = ACPI_PTR(kempld_acpi_table), 525 }, 526 .probe = kempld_probe, 527 .remove_new = kempld_remove, 528}; 529 530static const struct dmi_system_id kempld_dmi_table[] __initconst = { 531 { 532 .ident = "BBD6", 533 .matches = { 534 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 535 DMI_MATCH(DMI_BOARD_NAME, "COMe-bBD"), 536 }, 537 .driver_data = (void *)&kempld_platform_data_generic, 538 .callback = kempld_create_platform_device, 539 }, { 540 .ident = "BBL6", 541 .matches = { 542 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 543 DMI_MATCH(DMI_BOARD_NAME, "COMe-bBL6"), 544 }, 545 .driver_data = (void *)&kempld_platform_data_generic, 546 .callback = kempld_create_platform_device, 547 }, { 548 .ident = "BDV7", 549 .matches = { 550 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 551 DMI_MATCH(DMI_BOARD_NAME, "COMe-bDV7"), 552 }, 553 .driver_data = (void *)&kempld_platform_data_generic, 554 .callback = kempld_create_platform_device, 555 }, { 556 .ident = "BHL6", 557 .matches = { 558 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 559 DMI_MATCH(DMI_BOARD_NAME, "COMe-bHL6"), 560 }, 561 .driver_data = (void *)&kempld_platform_data_generic, 562 .callback = kempld_create_platform_device, 563 }, { 564 .ident = "BKL6", 565 .matches = { 566 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 567 DMI_MATCH(DMI_BOARD_NAME, "COMe-bKL6"), 568 }, 569 .driver_data = (void *)&kempld_platform_data_generic, 570 .callback = kempld_create_platform_device, 571 }, { 572 .ident = "BSL6", 573 .matches = { 574 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 575 DMI_MATCH(DMI_BOARD_NAME, "COMe-bSL6"), 576 }, 577 .driver_data = (void *)&kempld_platform_data_generic, 578 .callback = kempld_create_platform_device, 579 }, { 580 .ident = "CAL6", 581 .matches = { 582 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 583 DMI_MATCH(DMI_BOARD_NAME, "COMe-cAL"), 584 }, 585 .driver_data = (void *)&kempld_platform_data_generic, 586 .callback = kempld_create_platform_device, 587 }, { 588 .ident = "CBL6", 589 .matches = { 590 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 591 DMI_MATCH(DMI_BOARD_NAME, "COMe-cBL6"), 592 }, 593 .driver_data = (void *)&kempld_platform_data_generic, 594 .callback = kempld_create_platform_device, 595 }, { 596 .ident = "CBW6", 597 .matches = { 598 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 599 DMI_MATCH(DMI_BOARD_NAME, "COMe-cBW6"), 600 }, 601 .driver_data = (void *)&kempld_platform_data_generic, 602 .callback = kempld_create_platform_device, 603 }, { 604 .ident = "CCR2", 605 .matches = { 606 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 607 DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP2"), 608 }, 609 .driver_data = (void *)&kempld_platform_data_generic, 610 .callback = kempld_create_platform_device, 611 }, { 612 .ident = "CCR6", 613 .matches = { 614 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 615 DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP6"), 616 }, 617 .driver_data = (void *)&kempld_platform_data_generic, 618 .callback = kempld_create_platform_device, 619 }, { 620 .ident = "CDV7", 621 .matches = { 622 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 623 DMI_MATCH(DMI_BOARD_NAME, "COMe-cDV7"), 624 }, 625 .driver_data = (void *)&kempld_platform_data_generic, 626 .callback = kempld_create_platform_device, 627 }, { 628 .ident = "CHL6", 629 .matches = { 630 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 631 DMI_MATCH(DMI_BOARD_NAME, "COMe-cHL6"), 632 }, 633 .driver_data = (void *)&kempld_platform_data_generic, 634 .callback = kempld_create_platform_device, 635 }, { 636 .ident = "CHR2", 637 .matches = { 638 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 639 DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T2"), 640 }, 641 .driver_data = (void *)&kempld_platform_data_generic, 642 .callback = kempld_create_platform_device, 643 }, { 644 .ident = "CHR2", 645 .matches = { 646 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 647 DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T2"), 648 }, 649 .driver_data = (void *)&kempld_platform_data_generic, 650 .callback = kempld_create_platform_device, 651 }, { 652 .ident = "CHR2", 653 .matches = { 654 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 655 DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC2"), 656 }, 657 .driver_data = (void *)&kempld_platform_data_generic, 658 .callback = kempld_create_platform_device, 659 }, { 660 .ident = "CHR6", 661 .matches = { 662 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 663 DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T6"), 664 }, 665 .driver_data = (void *)&kempld_platform_data_generic, 666 .callback = kempld_create_platform_device, 667 }, { 668 .ident = "CHR6", 669 .matches = { 670 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 671 DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T6"), 672 }, 673 .driver_data = (void *)&kempld_platform_data_generic, 674 .callback = kempld_create_platform_device, 675 }, { 676 .ident = "CHR6", 677 .matches = { 678 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 679 DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC6"), 680 }, 681 .driver_data = (void *)&kempld_platform_data_generic, 682 .callback = kempld_create_platform_device, 683 }, { 684 .ident = "CKL6", 685 .matches = { 686 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 687 DMI_MATCH(DMI_BOARD_NAME, "COMe-cKL6"), 688 }, 689 .driver_data = (void *)&kempld_platform_data_generic, 690 .callback = kempld_create_platform_device, 691 }, { 692 .ident = "CNTG", 693 .matches = { 694 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 695 DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-PC"), 696 }, 697 .driver_data = (void *)&kempld_platform_data_generic, 698 .callback = kempld_create_platform_device, 699 }, { 700 .ident = "CNTG", 701 .matches = { 702 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 703 DMI_MATCH(DMI_BOARD_NAME, "COMe-bPC2"), 704 }, 705 .driver_data = (void *)&kempld_platform_data_generic, 706 .callback = kempld_create_platform_device, 707 }, { 708 .ident = "CNTX", 709 .matches = { 710 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 711 DMI_MATCH(DMI_BOARD_NAME, "PXT"), 712 }, 713 .driver_data = (void *)&kempld_platform_data_generic, 714 .callback = kempld_create_platform_device, 715 }, { 716 .ident = "CSL6", 717 .matches = { 718 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 719 DMI_MATCH(DMI_BOARD_NAME, "COMe-cSL6"), 720 }, 721 .driver_data = (void *)&kempld_platform_data_generic, 722 .callback = kempld_create_platform_device, 723 }, { 724 .ident = "CVV6", 725 .matches = { 726 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 727 DMI_MATCH(DMI_BOARD_NAME, "COMe-cBT"), 728 }, 729 .driver_data = (void *)&kempld_platform_data_generic, 730 .callback = kempld_create_platform_device, 731 }, { 732 .ident = "FRI2", 733 .matches = { 734 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 735 DMI_MATCH(DMI_BIOS_VERSION, "FRI2"), 736 }, 737 .driver_data = (void *)&kempld_platform_data_generic, 738 .callback = kempld_create_platform_device, 739 }, { 740 .ident = "FRI2", 741 .matches = { 742 DMI_MATCH(DMI_PRODUCT_NAME, "Fish River Island II"), 743 }, 744 .driver_data = (void *)&kempld_platform_data_generic, 745 .callback = kempld_create_platform_device, 746 }, { 747 .ident = "A203", 748 .matches = { 749 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 750 DMI_MATCH(DMI_BOARD_NAME, "KBox A-203"), 751 }, 752 .driver_data = (void *)&kempld_platform_data_generic, 753 .callback = kempld_create_platform_device, 754 }, { 755 .ident = "M4A1", 756 .matches = { 757 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 758 DMI_MATCH(DMI_BOARD_NAME, "COMe-m4AL"), 759 }, 760 .driver_data = (void *)&kempld_platform_data_generic, 761 .callback = kempld_create_platform_device, 762 }, { 763 .ident = "MAL1", 764 .matches = { 765 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 766 DMI_MATCH(DMI_BOARD_NAME, "COMe-mAL10"), 767 }, 768 .driver_data = (void *)&kempld_platform_data_generic, 769 .callback = kempld_create_platform_device, 770 }, { 771 .ident = "MAPL", 772 .matches = { 773 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 774 DMI_MATCH(DMI_BOARD_NAME, "mITX-APL"), 775 }, 776 .driver_data = (void *)&kempld_platform_data_generic, 777 .callback = kempld_create_platform_device, 778 }, { 779 .ident = "MBR1", 780 .matches = { 781 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 782 DMI_MATCH(DMI_BOARD_NAME, "ETX-OH"), 783 }, 784 .driver_data = (void *)&kempld_platform_data_generic, 785 .callback = kempld_create_platform_device, 786 }, { 787 .ident = "MVV1", 788 .matches = { 789 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 790 DMI_MATCH(DMI_BOARD_NAME, "COMe-mBT"), 791 }, 792 .driver_data = (void *)&kempld_platform_data_generic, 793 .callback = kempld_create_platform_device, 794 }, { 795 .ident = "NTC1", 796 .matches = { 797 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 798 DMI_MATCH(DMI_BOARD_NAME, "nanoETXexpress-TT"), 799 }, 800 .driver_data = (void *)&kempld_platform_data_generic, 801 .callback = kempld_create_platform_device, 802 }, { 803 .ident = "NTC1", 804 .matches = { 805 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 806 DMI_MATCH(DMI_BOARD_NAME, "nETXe-TT"), 807 }, 808 .driver_data = (void *)&kempld_platform_data_generic, 809 .callback = kempld_create_platform_device, 810 }, { 811 .ident = "NTC1", 812 .matches = { 813 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 814 DMI_MATCH(DMI_BOARD_NAME, "COMe-mTT"), 815 }, 816 .driver_data = (void *)&kempld_platform_data_generic, 817 .callback = kempld_create_platform_device, 818 }, { 819 .ident = "NUP1", 820 .matches = { 821 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 822 DMI_MATCH(DMI_BOARD_NAME, "COMe-mCT"), 823 }, 824 .driver_data = (void *)&kempld_platform_data_generic, 825 .callback = kempld_create_platform_device, 826 }, { 827 .ident = "PAPL", 828 .matches = { 829 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 830 DMI_MATCH(DMI_BOARD_NAME, "pITX-APL"), 831 }, 832 .driver_data = (void *)&kempld_platform_data_generic, 833 .callback = kempld_create_platform_device, 834 }, { 835 .ident = "SXAL", 836 .matches = { 837 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 838 DMI_MATCH(DMI_BOARD_NAME, "SMARC-sXAL"), 839 }, 840 .driver_data = (void *)&kempld_platform_data_generic, 841 .callback = kempld_create_platform_device, 842 }, { 843 .ident = "SXAL4", 844 .matches = { 845 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 846 DMI_MATCH(DMI_BOARD_NAME, "SMARC-sXA4"), 847 }, 848 .driver_data = (void *)&kempld_platform_data_generic, 849 .callback = kempld_create_platform_device, 850 }, { 851 .ident = "UNP1", 852 .matches = { 853 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 854 DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-DC"), 855 }, 856 .driver_data = (void *)&kempld_platform_data_generic, 857 .callback = kempld_create_platform_device, 858 }, { 859 .ident = "UNP1", 860 .matches = { 861 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 862 DMI_MATCH(DMI_BOARD_NAME, "COMe-cDC2"), 863 }, 864 .driver_data = (void *)&kempld_platform_data_generic, 865 .callback = kempld_create_platform_device, 866 }, { 867 .ident = "UNTG", 868 .matches = { 869 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 870 DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-PC"), 871 }, 872 .driver_data = (void *)&kempld_platform_data_generic, 873 .callback = kempld_create_platform_device, 874 }, { 875 .ident = "UNTG", 876 .matches = { 877 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 878 DMI_MATCH(DMI_BOARD_NAME, "COMe-cPC2"), 879 }, 880 .driver_data = (void *)&kempld_platform_data_generic, 881 .callback = kempld_create_platform_device, 882 }, { 883 .ident = "UUP6", 884 .matches = { 885 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 886 DMI_MATCH(DMI_BOARD_NAME, "COMe-cCT6"), 887 }, 888 .driver_data = (void *)&kempld_platform_data_generic, 889 .callback = kempld_create_platform_device, 890 }, { 891 .ident = "UTH6", 892 .matches = { 893 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 894 DMI_MATCH(DMI_BOARD_NAME, "COMe-cTH6"), 895 }, 896 .driver_data = (void *)&kempld_platform_data_generic, 897 .callback = kempld_create_platform_device, 898 }, { 899 .ident = "Q7AL", 900 .matches = { 901 DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), 902 DMI_MATCH(DMI_BOARD_NAME, "Qseven-Q7AL"), 903 }, 904 .driver_data = (void *)&kempld_platform_data_generic, 905 .callback = kempld_create_platform_device, 906 }, 907 {} 908}; 909MODULE_DEVICE_TABLE(dmi, kempld_dmi_table); 910 911static int __init kempld_init(void) 912{ 913 const struct dmi_system_id *id; 914 915 if (force_device_id[0]) { 916 for (id = kempld_dmi_table; 917 id->matches[0].slot != DMI_NONE; id++) 918 if (strstr(id->ident, force_device_id)) 919 if (id->callback && !id->callback(id)) 920 break; 921 if (id->matches[0].slot == DMI_NONE) 922 return -ENODEV; 923 } else { 924 dmi_check_system(kempld_dmi_table); 925 } 926 927 return platform_driver_register(&kempld_driver); 928} 929 930static void __exit kempld_exit(void) 931{ 932 if (kempld_pdev) 933 platform_device_unregister(kempld_pdev); 934 935 platform_driver_unregister(&kempld_driver); 936} 937 938module_init(kempld_init); 939module_exit(kempld_exit); 940 941MODULE_DESCRIPTION("KEM PLD Core Driver"); 942MODULE_AUTHOR("Michael Brunner <michael.brunner@kontron.com>"); 943MODULE_LICENSE("GPL"); 944MODULE_ALIAS("platform:kempld-core"); 945