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9f806850 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
43620a17 KS |
2 | /* |
3 | * Kontron PLD MFD core driver | |
4 | * | |
5 | * Copyright (c) 2010-2013 Kontron Europe GmbH | |
6 | * Author: Michael Brunner <michael.brunner@kontron.com> | |
43620a17 KS |
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 | ||
17 | #define MAX_ID_LEN 4 | |
18 | static char force_device_id[MAX_ID_LEN + 1] = ""; | |
9ef4e935 LJ |
19 | module_param_string(force_device_id, force_device_id, |
20 | sizeof(force_device_id), 0); | |
43620a17 KS |
21 | MODULE_PARM_DESC(force_device_id, "Override detected product"); |
22 | ||
23 | /* | |
24 | * Get hardware mutex to block firmware from accessing the pld. | |
25 | * It is possible for the firmware may hold the mutex for an extended length of | |
26 | * time. This function will block until access has been granted. | |
27 | */ | |
28 | static void kempld_get_hardware_mutex(struct kempld_device_data *pld) | |
29 | { | |
30 | /* The mutex bit will read 1 until access has been granted */ | |
31 | while (ioread8(pld->io_index) & KEMPLD_MUTEX_KEY) | |
9ef4e935 | 32 | usleep_range(1000, 3000); |
43620a17 KS |
33 | } |
34 | ||
35 | static void kempld_release_hardware_mutex(struct kempld_device_data *pld) | |
36 | { | |
37 | /* The harware mutex is released when 1 is written to the mutex bit. */ | |
38 | iowrite8(KEMPLD_MUTEX_KEY, pld->io_index); | |
39 | } | |
40 | ||
41 | static int kempld_get_info_generic(struct kempld_device_data *pld) | |
42 | { | |
43 | u16 version; | |
44 | u8 spec; | |
45 | ||
46 | kempld_get_mutex(pld); | |
47 | ||
48 | version = kempld_read16(pld, KEMPLD_VERSION); | |
49 | spec = kempld_read8(pld, KEMPLD_SPEC); | |
50 | pld->info.buildnr = kempld_read16(pld, KEMPLD_BUILDNR); | |
51 | ||
52 | pld->info.minor = KEMPLD_VERSION_GET_MINOR(version); | |
53 | pld->info.major = KEMPLD_VERSION_GET_MAJOR(version); | |
54 | pld->info.number = KEMPLD_VERSION_GET_NUMBER(version); | |
55 | pld->info.type = KEMPLD_VERSION_GET_TYPE(version); | |
56 | ||
57 | if (spec == 0xff) { | |
58 | pld->info.spec_minor = 0; | |
59 | pld->info.spec_major = 1; | |
60 | } else { | |
61 | pld->info.spec_minor = KEMPLD_SPEC_GET_MINOR(spec); | |
62 | pld->info.spec_major = KEMPLD_SPEC_GET_MAJOR(spec); | |
63 | } | |
64 | ||
65 | if (pld->info.spec_major > 0) | |
66 | pld->feature_mask = kempld_read16(pld, KEMPLD_FEATURE); | |
67 | else | |
68 | pld->feature_mask = 0; | |
69 | ||
70 | kempld_release_mutex(pld); | |
71 | ||
72 | return 0; | |
73 | } | |
74 | ||
75 | enum kempld_cells { | |
76 | KEMPLD_I2C = 0, | |
77 | KEMPLD_WDT, | |
78 | KEMPLD_GPIO, | |
79 | KEMPLD_UART, | |
80 | }; | |
81 | ||
bd6d35a6 | 82 | static const struct mfd_cell kempld_devs[] = { |
43620a17 KS |
83 | [KEMPLD_I2C] = { |
84 | .name = "kempld-i2c", | |
85 | }, | |
86 | [KEMPLD_WDT] = { | |
87 | .name = "kempld-wdt", | |
88 | }, | |
89 | [KEMPLD_GPIO] = { | |
90 | .name = "kempld-gpio", | |
91 | }, | |
92 | [KEMPLD_UART] = { | |
93 | .name = "kempld-uart", | |
94 | }, | |
95 | }; | |
96 | ||
97 | #define KEMPLD_MAX_DEVS ARRAY_SIZE(kempld_devs) | |
98 | ||
99 | static int kempld_register_cells_generic(struct kempld_device_data *pld) | |
100 | { | |
101 | struct mfd_cell devs[KEMPLD_MAX_DEVS]; | |
102 | int i = 0; | |
103 | ||
104 | if (pld->feature_mask & KEMPLD_FEATURE_BIT_I2C) | |
105 | devs[i++] = kempld_devs[KEMPLD_I2C]; | |
106 | ||
107 | if (pld->feature_mask & KEMPLD_FEATURE_BIT_WATCHDOG) | |
108 | devs[i++] = kempld_devs[KEMPLD_WDT]; | |
109 | ||
110 | if (pld->feature_mask & KEMPLD_FEATURE_BIT_GPIO) | |
111 | devs[i++] = kempld_devs[KEMPLD_GPIO]; | |
112 | ||
113 | if (pld->feature_mask & KEMPLD_FEATURE_MASK_UART) | |
114 | devs[i++] = kempld_devs[KEMPLD_UART]; | |
115 | ||
116 | return mfd_add_devices(pld->dev, -1, devs, i, NULL, 0, NULL); | |
117 | } | |
118 | ||
119 | static struct resource kempld_ioresource = { | |
120 | .start = KEMPLD_IOINDEX, | |
121 | .end = KEMPLD_IODATA, | |
122 | .flags = IORESOURCE_IO, | |
123 | }; | |
124 | ||
125 | static const struct kempld_platform_data kempld_platform_data_generic = { | |
126 | .pld_clock = KEMPLD_CLK, | |
127 | .ioresource = &kempld_ioresource, | |
128 | .get_hardware_mutex = kempld_get_hardware_mutex, | |
129 | .release_hardware_mutex = kempld_release_hardware_mutex, | |
130 | .get_info = kempld_get_info_generic, | |
131 | .register_cells = kempld_register_cells_generic, | |
132 | }; | |
133 | ||
134 | static struct platform_device *kempld_pdev; | |
135 | ||
136 | static int kempld_create_platform_device(const struct dmi_system_id *id) | |
137 | { | |
bf1cafa1 | 138 | const struct kempld_platform_data *pdata = id->driver_data; |
43620a17 KS |
139 | int ret; |
140 | ||
141 | kempld_pdev = platform_device_alloc("kempld", -1); | |
142 | if (!kempld_pdev) | |
143 | return -ENOMEM; | |
144 | ||
145 | ret = platform_device_add_data(kempld_pdev, pdata, sizeof(*pdata)); | |
146 | if (ret) | |
147 | goto err; | |
148 | ||
149 | ret = platform_device_add_resources(kempld_pdev, pdata->ioresource, 1); | |
150 | if (ret) | |
151 | goto err; | |
152 | ||
153 | ret = platform_device_add(kempld_pdev); | |
154 | if (ret) | |
155 | goto err; | |
156 | ||
157 | return 0; | |
158 | err: | |
159 | platform_device_put(kempld_pdev); | |
160 | return ret; | |
161 | } | |
162 | ||
163 | /** | |
164 | * kempld_read8 - read 8 bit register | |
165 | * @pld: kempld_device_data structure describing the PLD | |
166 | * @index: register index on the chip | |
167 | * | |
168 | * kempld_get_mutex must be called prior to calling this function. | |
169 | */ | |
170 | u8 kempld_read8(struct kempld_device_data *pld, u8 index) | |
171 | { | |
172 | iowrite8(index, pld->io_index); | |
173 | return ioread8(pld->io_data); | |
174 | } | |
175 | EXPORT_SYMBOL_GPL(kempld_read8); | |
176 | ||
177 | /** | |
178 | * kempld_write8 - write 8 bit register | |
179 | * @pld: kempld_device_data structure describing the PLD | |
180 | * @index: register index on the chip | |
181 | * @data: new register value | |
182 | * | |
183 | * kempld_get_mutex must be called prior to calling this function. | |
184 | */ | |
185 | void kempld_write8(struct kempld_device_data *pld, u8 index, u8 data) | |
186 | { | |
187 | iowrite8(index, pld->io_index); | |
188 | iowrite8(data, pld->io_data); | |
189 | } | |
190 | EXPORT_SYMBOL_GPL(kempld_write8); | |
191 | ||
192 | /** | |
193 | * kempld_read16 - read 16 bit register | |
194 | * @pld: kempld_device_data structure describing the PLD | |
195 | * @index: register index on the chip | |
196 | * | |
197 | * kempld_get_mutex must be called prior to calling this function. | |
198 | */ | |
199 | u16 kempld_read16(struct kempld_device_data *pld, u8 index) | |
200 | { | |
201 | return kempld_read8(pld, index) | kempld_read8(pld, index + 1) << 8; | |
202 | } | |
203 | EXPORT_SYMBOL_GPL(kempld_read16); | |
204 | ||
205 | /** | |
206 | * kempld_write16 - write 16 bit register | |
207 | * @pld: kempld_device_data structure describing the PLD | |
208 | * @index: register index on the chip | |
209 | * @data: new register value | |
210 | * | |
211 | * kempld_get_mutex must be called prior to calling this function. | |
212 | */ | |
213 | void kempld_write16(struct kempld_device_data *pld, u8 index, u16 data) | |
214 | { | |
215 | kempld_write8(pld, index, (u8)data); | |
216 | kempld_write8(pld, index + 1, (u8)(data >> 8)); | |
217 | } | |
218 | EXPORT_SYMBOL_GPL(kempld_write16); | |
219 | ||
220 | /** | |
221 | * kempld_read32 - read 32 bit register | |
222 | * @pld: kempld_device_data structure describing the PLD | |
223 | * @index: register index on the chip | |
224 | * | |
225 | * kempld_get_mutex must be called prior to calling this function. | |
226 | */ | |
227 | u32 kempld_read32(struct kempld_device_data *pld, u8 index) | |
228 | { | |
229 | return kempld_read16(pld, index) | kempld_read16(pld, index + 2) << 16; | |
230 | } | |
231 | EXPORT_SYMBOL_GPL(kempld_read32); | |
232 | ||
233 | /** | |
234 | * kempld_write32 - write 32 bit register | |
235 | * @pld: kempld_device_data structure describing the PLD | |
236 | * @index: register index on the chip | |
237 | * @data: new register value | |
238 | * | |
239 | * kempld_get_mutex must be called prior to calling this function. | |
240 | */ | |
241 | void kempld_write32(struct kempld_device_data *pld, u8 index, u32 data) | |
242 | { | |
243 | kempld_write16(pld, index, (u16)data); | |
244 | kempld_write16(pld, index + 2, (u16)(data >> 16)); | |
245 | } | |
246 | EXPORT_SYMBOL_GPL(kempld_write32); | |
247 | ||
248 | /** | |
249 | * kempld_get_mutex - acquire PLD mutex | |
250 | * @pld: kempld_device_data structure describing the PLD | |
251 | */ | |
252 | void kempld_get_mutex(struct kempld_device_data *pld) | |
253 | { | |
bf1cafa1 | 254 | const struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); |
43620a17 KS |
255 | |
256 | mutex_lock(&pld->lock); | |
257 | pdata->get_hardware_mutex(pld); | |
258 | } | |
259 | EXPORT_SYMBOL_GPL(kempld_get_mutex); | |
260 | ||
261 | /** | |
262 | * kempld_release_mutex - release PLD mutex | |
263 | * @pld: kempld_device_data structure describing the PLD | |
264 | */ | |
265 | void kempld_release_mutex(struct kempld_device_data *pld) | |
266 | { | |
bf1cafa1 | 267 | const struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); |
43620a17 KS |
268 | |
269 | pdata->release_hardware_mutex(pld); | |
270 | mutex_unlock(&pld->lock); | |
271 | } | |
272 | EXPORT_SYMBOL_GPL(kempld_release_mutex); | |
273 | ||
274 | /** | |
275 | * kempld_get_info - update device specific information | |
276 | * @pld: kempld_device_data structure describing the PLD | |
277 | * | |
278 | * This function calls the configured board specific kempld_get_info_XXXX | |
279 | * function which is responsible for gathering information about the specific | |
280 | * hardware. The information is then stored within the pld structure. | |
281 | */ | |
282 | static int kempld_get_info(struct kempld_device_data *pld) | |
283 | { | |
58a9e5b9 | 284 | int ret; |
bf1cafa1 | 285 | const struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); |
58a9e5b9 MB |
286 | char major, minor; |
287 | ||
288 | ret = pdata->get_info(pld); | |
289 | if (ret) | |
290 | return ret; | |
291 | ||
292 | /* The Kontron PLD firmware version string has the following format: | |
293 | * Pwxy.zzzz | |
294 | * P: Fixed | |
295 | * w: PLD number - 1 hex digit | |
296 | * x: Major version - 1 alphanumerical digit (0-9A-V) | |
297 | * y: Minor version - 1 alphanumerical digit (0-9A-V) | |
298 | * zzzz: Build number - 4 zero padded hex digits */ | |
43620a17 | 299 | |
58a9e5b9 MB |
300 | if (pld->info.major < 10) |
301 | major = pld->info.major + '0'; | |
302 | else | |
303 | major = (pld->info.major - 10) + 'A'; | |
304 | if (pld->info.minor < 10) | |
305 | minor = pld->info.minor + '0'; | |
306 | else | |
307 | minor = (pld->info.minor - 10) + 'A'; | |
308 | ||
309 | ret = scnprintf(pld->info.version, sizeof(pld->info.version), | |
310 | "P%X%c%c.%04X", pld->info.number, major, minor, | |
311 | pld->info.buildnr); | |
312 | if (ret < 0) | |
313 | return ret; | |
314 | ||
315 | return 0; | |
43620a17 KS |
316 | } |
317 | ||
318 | /* | |
319 | * kempld_register_cells - register cell drivers | |
320 | * | |
321 | * This function registers cell drivers for the detected hardware by calling | |
322 | * the configured kempld_register_cells_XXXX function which is responsible | |
323 | * to detect and register the needed cell drivers. | |
324 | */ | |
325 | static int kempld_register_cells(struct kempld_device_data *pld) | |
326 | { | |
bf1cafa1 | 327 | const struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); |
43620a17 KS |
328 | |
329 | return pdata->register_cells(pld); | |
330 | } | |
331 | ||
58a9e5b9 MB |
332 | static const char *kempld_get_type_string(struct kempld_device_data *pld) |
333 | { | |
334 | const char *version_type; | |
335 | ||
336 | switch (pld->info.type) { | |
337 | case 0: | |
338 | version_type = "release"; | |
339 | break; | |
340 | case 1: | |
341 | version_type = "debug"; | |
342 | break; | |
343 | case 2: | |
344 | version_type = "custom"; | |
345 | break; | |
346 | default: | |
347 | version_type = "unspecified"; | |
348 | break; | |
349 | } | |
350 | ||
351 | return version_type; | |
352 | } | |
353 | ||
354 | static ssize_t kempld_version_show(struct device *dev, | |
355 | struct device_attribute *attr, char *buf) | |
356 | { | |
357 | struct kempld_device_data *pld = dev_get_drvdata(dev); | |
358 | ||
359 | return scnprintf(buf, PAGE_SIZE, "%s\n", pld->info.version); | |
360 | } | |
361 | ||
362 | static ssize_t kempld_specification_show(struct device *dev, | |
363 | struct device_attribute *attr, char *buf) | |
364 | { | |
365 | struct kempld_device_data *pld = dev_get_drvdata(dev); | |
366 | ||
367 | return scnprintf(buf, PAGE_SIZE, "%d.%d\n", pld->info.spec_major, | |
368 | pld->info.spec_minor); | |
369 | } | |
370 | ||
371 | static ssize_t kempld_type_show(struct device *dev, | |
372 | struct device_attribute *attr, char *buf) | |
373 | { | |
374 | struct kempld_device_data *pld = dev_get_drvdata(dev); | |
375 | ||
376 | return scnprintf(buf, PAGE_SIZE, "%s\n", kempld_get_type_string(pld)); | |
377 | } | |
378 | ||
379 | static DEVICE_ATTR(pld_version, S_IRUGO, kempld_version_show, NULL); | |
380 | static DEVICE_ATTR(pld_specification, S_IRUGO, kempld_specification_show, | |
381 | NULL); | |
382 | static DEVICE_ATTR(pld_type, S_IRUGO, kempld_type_show, NULL); | |
383 | ||
384 | static struct attribute *pld_attributes[] = { | |
385 | &dev_attr_pld_version.attr, | |
386 | &dev_attr_pld_specification.attr, | |
387 | &dev_attr_pld_type.attr, | |
388 | NULL | |
389 | }; | |
390 | ||
391 | static const struct attribute_group pld_attr_group = { | |
392 | .attrs = pld_attributes, | |
393 | }; | |
394 | ||
43620a17 KS |
395 | static int kempld_detect_device(struct kempld_device_data *pld) |
396 | { | |
43620a17 KS |
397 | u8 index_reg; |
398 | int ret; | |
399 | ||
400 | mutex_lock(&pld->lock); | |
401 | ||
402 | /* Check for empty IO space */ | |
403 | index_reg = ioread8(pld->io_index); | |
404 | if (index_reg == 0xff && ioread8(pld->io_data) == 0xff) { | |
405 | mutex_unlock(&pld->lock); | |
406 | return -ENODEV; | |
407 | } | |
408 | ||
204747c9 GR |
409 | /* Release hardware mutex if acquired */ |
410 | if (!(index_reg & KEMPLD_MUTEX_KEY)) { | |
43620a17 | 411 | iowrite8(KEMPLD_MUTEX_KEY, pld->io_index); |
204747c9 GR |
412 | /* PXT and COMe-cPC2 boards may require a second release */ |
413 | iowrite8(KEMPLD_MUTEX_KEY, pld->io_index); | |
414 | } | |
43620a17 KS |
415 | |
416 | mutex_unlock(&pld->lock); | |
417 | ||
418 | ret = kempld_get_info(pld); | |
419 | if (ret) | |
420 | return ret; | |
421 | ||
58a9e5b9 MB |
422 | dev_info(pld->dev, "Found Kontron PLD - %s (%s), spec %d.%d\n", |
423 | pld->info.version, kempld_get_type_string(pld), | |
424 | pld->info.spec_major, pld->info.spec_minor); | |
425 | ||
426 | ret = sysfs_create_group(&pld->dev->kobj, &pld_attr_group); | |
427 | if (ret) | |
428 | return ret; | |
43620a17 | 429 | |
58a9e5b9 MB |
430 | ret = kempld_register_cells(pld); |
431 | if (ret) | |
432 | sysfs_remove_group(&pld->dev->kobj, &pld_attr_group); | |
43620a17 | 433 | |
58a9e5b9 | 434 | return ret; |
43620a17 KS |
435 | } |
436 | ||
437 | static int kempld_probe(struct platform_device *pdev) | |
438 | { | |
bf1cafa1 JL |
439 | const struct kempld_platform_data *pdata = |
440 | dev_get_platdata(&pdev->dev); | |
43620a17 KS |
441 | struct device *dev = &pdev->dev; |
442 | struct kempld_device_data *pld; | |
443 | struct resource *ioport; | |
43620a17 KS |
444 | |
445 | pld = devm_kzalloc(dev, sizeof(*pld), GFP_KERNEL); | |
446 | if (!pld) | |
447 | return -ENOMEM; | |
448 | ||
449 | ioport = platform_get_resource(pdev, IORESOURCE_IO, 0); | |
450 | if (!ioport) | |
451 | return -EINVAL; | |
452 | ||
453 | pld->io_base = devm_ioport_map(dev, ioport->start, | |
263a7c57 | 454 | resource_size(ioport)); |
43620a17 KS |
455 | if (!pld->io_base) |
456 | return -ENOMEM; | |
457 | ||
458 | pld->io_index = pld->io_base; | |
459 | pld->io_data = pld->io_base + 1; | |
460 | pld->pld_clock = pdata->pld_clock; | |
461 | pld->dev = dev; | |
462 | ||
463 | mutex_init(&pld->lock); | |
464 | platform_set_drvdata(pdev, pld); | |
465 | ||
d8498df1 | 466 | return kempld_detect_device(pld); |
43620a17 KS |
467 | } |
468 | ||
469 | static int kempld_remove(struct platform_device *pdev) | |
470 | { | |
471 | struct kempld_device_data *pld = platform_get_drvdata(pdev); | |
bf1cafa1 | 472 | const struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); |
43620a17 | 473 | |
58a9e5b9 MB |
474 | sysfs_remove_group(&pld->dev->kobj, &pld_attr_group); |
475 | ||
43620a17 KS |
476 | mfd_remove_devices(&pdev->dev); |
477 | pdata->release_hardware_mutex(pld); | |
478 | ||
479 | return 0; | |
480 | } | |
481 | ||
482 | static struct platform_driver kempld_driver = { | |
483 | .driver = { | |
484 | .name = "kempld", | |
43620a17 KS |
485 | }, |
486 | .probe = kempld_probe, | |
487 | .remove = kempld_remove, | |
488 | }; | |
489 | ||
6faadbbb | 490 | static const struct dmi_system_id kempld_dmi_table[] __initconst = { |
c1d33b1b | 491 | { |
e33ad65a MB |
492 | .ident = "BBD6", |
493 | .matches = { | |
494 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
495 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bBD"), | |
496 | }, | |
497 | .driver_data = (void *)&kempld_platform_data_generic, | |
498 | .callback = kempld_create_platform_device, | |
499 | }, { | |
18ca2ba5 MB |
500 | .ident = "BBL6", |
501 | .matches = { | |
502 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
503 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bBL6"), | |
504 | }, | |
505 | .driver_data = (void *)&kempld_platform_data_generic, | |
506 | .callback = kempld_create_platform_device, | |
507 | }, { | |
c1d33b1b MB |
508 | .ident = "BHL6", |
509 | .matches = { | |
510 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
511 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bHL6"), | |
512 | }, | |
513 | .driver_data = (void *)&kempld_platform_data_generic, | |
514 | .callback = kempld_create_platform_device, | |
e33ad65a MB |
515 | }, { |
516 | .ident = "BKL6", | |
517 | .matches = { | |
518 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
519 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bKL6"), | |
520 | }, | |
521 | .driver_data = (void *)&kempld_platform_data_generic, | |
522 | .callback = kempld_create_platform_device, | |
523 | }, { | |
524 | .ident = "BSL6", | |
525 | .matches = { | |
526 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
527 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bSL6"), | |
528 | }, | |
529 | .driver_data = (void *)&kempld_platform_data_generic, | |
530 | .callback = kempld_create_platform_device, | |
531 | }, { | |
532 | .ident = "CAL6", | |
533 | .matches = { | |
534 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
535 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cAL"), | |
536 | }, | |
537 | .driver_data = (void *)&kempld_platform_data_generic, | |
538 | .callback = kempld_create_platform_device, | |
fb358e43 MB |
539 | }, { |
540 | .ident = "CBL6", | |
541 | .matches = { | |
542 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
543 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cBL6"), | |
544 | }, | |
545 | .driver_data = (void *)&kempld_platform_data_generic, | |
546 | .callback = kempld_create_platform_device, | |
18ca2ba5 MB |
547 | }, { |
548 | .ident = "CBW6", | |
549 | .matches = { | |
550 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
551 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cBW6"), | |
552 | }, | |
553 | .driver_data = (void *)&kempld_platform_data_generic, | |
554 | .callback = kempld_create_platform_device, | |
fb358e43 | 555 | }, { |
43620a17 KS |
556 | .ident = "CCR2", |
557 | .matches = { | |
558 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
559 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP2"), | |
560 | }, | |
561 | .driver_data = (void *)&kempld_platform_data_generic, | |
562 | .callback = kempld_create_platform_device, | |
563 | }, { | |
564 | .ident = "CCR6", | |
565 | .matches = { | |
566 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
567 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP6"), | |
568 | }, | |
569 | .driver_data = (void *)&kempld_platform_data_generic, | |
570 | .callback = kempld_create_platform_device, | |
a3ee7509 MB |
571 | }, { |
572 | .ident = "CHL6", | |
573 | .matches = { | |
574 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
575 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cHL6"), | |
576 | }, | |
577 | .driver_data = (void *)&kempld_platform_data_generic, | |
578 | .callback = kempld_create_platform_device, | |
43620a17 KS |
579 | }, { |
580 | .ident = "CHR2", | |
581 | .matches = { | |
582 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
583 | DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T2"), | |
584 | }, | |
585 | .driver_data = (void *)&kempld_platform_data_generic, | |
586 | .callback = kempld_create_platform_device, | |
587 | }, { | |
588 | .ident = "CHR2", | |
589 | .matches = { | |
590 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
591 | DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T2"), | |
592 | }, | |
593 | .driver_data = (void *)&kempld_platform_data_generic, | |
594 | .callback = kempld_create_platform_device, | |
595 | }, { | |
596 | .ident = "CHR2", | |
597 | .matches = { | |
598 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
599 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC2"), | |
600 | }, | |
601 | .driver_data = (void *)&kempld_platform_data_generic, | |
602 | .callback = kempld_create_platform_device, | |
603 | }, { | |
604 | .ident = "CHR6", | |
605 | .matches = { | |
606 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
607 | DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T6"), | |
608 | }, | |
609 | .driver_data = (void *)&kempld_platform_data_generic, | |
610 | .callback = kempld_create_platform_device, | |
611 | }, { | |
612 | .ident = "CHR6", | |
613 | .matches = { | |
614 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
615 | DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T6"), | |
616 | }, | |
617 | .driver_data = (void *)&kempld_platform_data_generic, | |
618 | .callback = kempld_create_platform_device, | |
619 | }, { | |
620 | .ident = "CHR6", | |
621 | .matches = { | |
622 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
623 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC6"), | |
624 | }, | |
625 | .driver_data = (void *)&kempld_platform_data_generic, | |
626 | .callback = kempld_create_platform_device, | |
e33ad65a MB |
627 | }, { |
628 | .ident = "CKL6", | |
629 | .matches = { | |
630 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
631 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cKL6"), | |
632 | }, | |
633 | .driver_data = (void *)&kempld_platform_data_generic, | |
634 | .callback = kempld_create_platform_device, | |
43620a17 KS |
635 | }, { |
636 | .ident = "CNTG", | |
637 | .matches = { | |
638 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
639 | DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-PC"), | |
640 | }, | |
641 | .driver_data = (void *)&kempld_platform_data_generic, | |
642 | .callback = kempld_create_platform_device, | |
643 | }, { | |
644 | .ident = "CNTG", | |
645 | .matches = { | |
646 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
647 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bPC2"), | |
648 | }, | |
649 | .driver_data = (void *)&kempld_platform_data_generic, | |
650 | .callback = kempld_create_platform_device, | |
651 | }, { | |
652 | .ident = "CNTX", | |
653 | .matches = { | |
654 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
655 | DMI_MATCH(DMI_BOARD_NAME, "PXT"), | |
656 | }, | |
657 | .driver_data = (void *)&kempld_platform_data_generic, | |
658 | .callback = kempld_create_platform_device, | |
1db3ba28 MB |
659 | }, { |
660 | .ident = "CSL6", | |
661 | .matches = { | |
662 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
663 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cSL6"), | |
664 | }, | |
665 | .driver_data = (void *)&kempld_platform_data_generic, | |
666 | .callback = kempld_create_platform_device, | |
a3ee7509 MB |
667 | }, { |
668 | .ident = "CVV6", | |
669 | .matches = { | |
670 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
671 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cBT"), | |
672 | }, | |
673 | .driver_data = (void *)&kempld_platform_data_generic, | |
674 | .callback = kempld_create_platform_device, | |
43620a17 KS |
675 | }, { |
676 | .ident = "FRI2", | |
677 | .matches = { | |
678 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
679 | DMI_MATCH(DMI_BIOS_VERSION, "FRI2"), | |
680 | }, | |
681 | .driver_data = (void *)&kempld_platform_data_generic, | |
682 | .callback = kempld_create_platform_device, | |
683 | }, { | |
684 | .ident = "FRI2", | |
685 | .matches = { | |
686 | DMI_MATCH(DMI_PRODUCT_NAME, "Fish River Island II"), | |
687 | }, | |
688 | .driver_data = (void *)&kempld_platform_data_generic, | |
689 | .callback = kempld_create_platform_device, | |
1db3ba28 MB |
690 | }, { |
691 | .ident = "MAL1", | |
692 | .matches = { | |
693 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
694 | DMI_MATCH(DMI_BOARD_NAME, "COMe-mAL10"), | |
695 | }, | |
696 | .driver_data = (void *)&kempld_platform_data_generic, | |
697 | .callback = kempld_create_platform_device, | |
43620a17 KS |
698 | }, { |
699 | .ident = "MBR1", | |
700 | .matches = { | |
701 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
702 | DMI_MATCH(DMI_BOARD_NAME, "ETX-OH"), | |
703 | }, | |
704 | .driver_data = (void *)&kempld_platform_data_generic, | |
705 | .callback = kempld_create_platform_device, | |
a3ee7509 MB |
706 | }, { |
707 | .ident = "MVV1", | |
708 | .matches = { | |
709 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
710 | DMI_MATCH(DMI_BOARD_NAME, "COMe-mBT"), | |
711 | }, | |
712 | .driver_data = (void *)&kempld_platform_data_generic, | |
713 | .callback = kempld_create_platform_device, | |
43620a17 KS |
714 | }, { |
715 | .ident = "NTC1", | |
716 | .matches = { | |
717 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
718 | DMI_MATCH(DMI_BOARD_NAME, "nanoETXexpress-TT"), | |
719 | }, | |
720 | .driver_data = (void *)&kempld_platform_data_generic, | |
721 | .callback = kempld_create_platform_device, | |
722 | }, { | |
723 | .ident = "NTC1", | |
724 | .matches = { | |
725 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
726 | DMI_MATCH(DMI_BOARD_NAME, "nETXe-TT"), | |
727 | }, | |
728 | .driver_data = (void *)&kempld_platform_data_generic, | |
729 | .callback = kempld_create_platform_device, | |
730 | }, { | |
731 | .ident = "NTC1", | |
732 | .matches = { | |
733 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
734 | DMI_MATCH(DMI_BOARD_NAME, "COMe-mTT"), | |
735 | }, | |
736 | .driver_data = (void *)&kempld_platform_data_generic, | |
737 | .callback = kempld_create_platform_device, | |
738 | }, { | |
739 | .ident = "NUP1", | |
740 | .matches = { | |
741 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
742 | DMI_MATCH(DMI_BOARD_NAME, "COMe-mCT"), | |
743 | }, | |
744 | .driver_data = (void *)&kempld_platform_data_generic, | |
745 | .callback = kempld_create_platform_device, | |
746 | }, { | |
747 | .ident = "UNP1", | |
748 | .matches = { | |
749 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
750 | DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-DC"), | |
751 | }, | |
752 | .driver_data = (void *)&kempld_platform_data_generic, | |
753 | .callback = kempld_create_platform_device, | |
754 | }, { | |
755 | .ident = "UNP1", | |
756 | .matches = { | |
757 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
758 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cDC2"), | |
759 | }, | |
760 | .driver_data = (void *)&kempld_platform_data_generic, | |
761 | .callback = kempld_create_platform_device, | |
762 | }, { | |
763 | .ident = "UNTG", | |
764 | .matches = { | |
765 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
766 | DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-PC"), | |
767 | }, | |
768 | .driver_data = (void *)&kempld_platform_data_generic, | |
769 | .callback = kempld_create_platform_device, | |
770 | }, { | |
771 | .ident = "UNTG", | |
772 | .matches = { | |
773 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
774 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cPC2"), | |
775 | }, | |
776 | .driver_data = (void *)&kempld_platform_data_generic, | |
777 | .callback = kempld_create_platform_device, | |
778 | }, { | |
779 | .ident = "UUP6", | |
780 | .matches = { | |
781 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
782 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cCT6"), | |
783 | }, | |
784 | .driver_data = (void *)&kempld_platform_data_generic, | |
c1d33b1b MB |
785 | .callback = kempld_create_platform_device, |
786 | }, | |
787 | { | |
788 | .ident = "UTH6", | |
789 | .matches = { | |
790 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
791 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cTH6"), | |
792 | }, | |
793 | .driver_data = (void *)&kempld_platform_data_generic, | |
43620a17 KS |
794 | .callback = kempld_create_platform_device, |
795 | }, | |
796 | {} | |
797 | }; | |
798 | MODULE_DEVICE_TABLE(dmi, kempld_dmi_table); | |
799 | ||
800 | static int __init kempld_init(void) | |
801 | { | |
802 | const struct dmi_system_id *id; | |
43620a17 KS |
803 | |
804 | if (force_device_id[0]) { | |
9ef4e935 LJ |
805 | for (id = kempld_dmi_table; |
806 | id->matches[0].slot != DMI_NONE; id++) | |
43620a17 | 807 | if (strstr(id->ident, force_device_id)) |
c8648508 | 808 | if (id->callback && !id->callback(id)) |
43620a17 KS |
809 | break; |
810 | if (id->matches[0].slot == DMI_NONE) | |
811 | return -ENODEV; | |
812 | } else { | |
813 | if (!dmi_check_system(kempld_dmi_table)) | |
814 | return -ENODEV; | |
815 | } | |
816 | ||
d8498df1 | 817 | return platform_driver_register(&kempld_driver); |
43620a17 KS |
818 | } |
819 | ||
820 | static void __exit kempld_exit(void) | |
821 | { | |
822 | if (kempld_pdev) | |
823 | platform_device_unregister(kempld_pdev); | |
824 | ||
825 | platform_driver_unregister(&kempld_driver); | |
826 | } | |
827 | ||
828 | module_init(kempld_init); | |
829 | module_exit(kempld_exit); | |
830 | ||
831 | MODULE_DESCRIPTION("KEM PLD Core Driver"); | |
832 | MODULE_AUTHOR("Michael Brunner <michael.brunner@kontron.com>"); | |
833 | MODULE_LICENSE("GPL"); | |
834 | MODULE_ALIAS("platform:kempld-core"); |