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43620a17 KS |
1 | /* |
2 | * Kontron PLD MFD core driver | |
3 | * | |
4 | * Copyright (c) 2010-2013 Kontron Europe GmbH | |
5 | * Author: Michael Brunner <michael.brunner@kontron.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License 2 as published | |
9 | * by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | */ | |
16 | ||
17 | #include <linux/platform_device.h> | |
18 | #include <linux/mfd/core.h> | |
19 | #include <linux/mfd/kempld.h> | |
20 | #include <linux/module.h> | |
21 | #include <linux/dmi.h> | |
22 | #include <linux/io.h> | |
23 | #include <linux/delay.h> | |
24 | ||
25 | #define MAX_ID_LEN 4 | |
26 | static char force_device_id[MAX_ID_LEN + 1] = ""; | |
9ef4e935 LJ |
27 | module_param_string(force_device_id, force_device_id, |
28 | sizeof(force_device_id), 0); | |
43620a17 KS |
29 | MODULE_PARM_DESC(force_device_id, "Override detected product"); |
30 | ||
31 | /* | |
32 | * Get hardware mutex to block firmware from accessing the pld. | |
33 | * It is possible for the firmware may hold the mutex for an extended length of | |
34 | * time. This function will block until access has been granted. | |
35 | */ | |
36 | static void kempld_get_hardware_mutex(struct kempld_device_data *pld) | |
37 | { | |
38 | /* The mutex bit will read 1 until access has been granted */ | |
39 | while (ioread8(pld->io_index) & KEMPLD_MUTEX_KEY) | |
9ef4e935 | 40 | usleep_range(1000, 3000); |
43620a17 KS |
41 | } |
42 | ||
43 | static void kempld_release_hardware_mutex(struct kempld_device_data *pld) | |
44 | { | |
45 | /* The harware mutex is released when 1 is written to the mutex bit. */ | |
46 | iowrite8(KEMPLD_MUTEX_KEY, pld->io_index); | |
47 | } | |
48 | ||
49 | static int kempld_get_info_generic(struct kempld_device_data *pld) | |
50 | { | |
51 | u16 version; | |
52 | u8 spec; | |
53 | ||
54 | kempld_get_mutex(pld); | |
55 | ||
56 | version = kempld_read16(pld, KEMPLD_VERSION); | |
57 | spec = kempld_read8(pld, KEMPLD_SPEC); | |
58 | pld->info.buildnr = kempld_read16(pld, KEMPLD_BUILDNR); | |
59 | ||
60 | pld->info.minor = KEMPLD_VERSION_GET_MINOR(version); | |
61 | pld->info.major = KEMPLD_VERSION_GET_MAJOR(version); | |
62 | pld->info.number = KEMPLD_VERSION_GET_NUMBER(version); | |
63 | pld->info.type = KEMPLD_VERSION_GET_TYPE(version); | |
64 | ||
65 | if (spec == 0xff) { | |
66 | pld->info.spec_minor = 0; | |
67 | pld->info.spec_major = 1; | |
68 | } else { | |
69 | pld->info.spec_minor = KEMPLD_SPEC_GET_MINOR(spec); | |
70 | pld->info.spec_major = KEMPLD_SPEC_GET_MAJOR(spec); | |
71 | } | |
72 | ||
73 | if (pld->info.spec_major > 0) | |
74 | pld->feature_mask = kempld_read16(pld, KEMPLD_FEATURE); | |
75 | else | |
76 | pld->feature_mask = 0; | |
77 | ||
78 | kempld_release_mutex(pld); | |
79 | ||
80 | return 0; | |
81 | } | |
82 | ||
83 | enum kempld_cells { | |
84 | KEMPLD_I2C = 0, | |
85 | KEMPLD_WDT, | |
86 | KEMPLD_GPIO, | |
87 | KEMPLD_UART, | |
88 | }; | |
89 | ||
bd6d35a6 | 90 | static const struct mfd_cell kempld_devs[] = { |
43620a17 KS |
91 | [KEMPLD_I2C] = { |
92 | .name = "kempld-i2c", | |
93 | }, | |
94 | [KEMPLD_WDT] = { | |
95 | .name = "kempld-wdt", | |
96 | }, | |
97 | [KEMPLD_GPIO] = { | |
98 | .name = "kempld-gpio", | |
99 | }, | |
100 | [KEMPLD_UART] = { | |
101 | .name = "kempld-uart", | |
102 | }, | |
103 | }; | |
104 | ||
105 | #define KEMPLD_MAX_DEVS ARRAY_SIZE(kempld_devs) | |
106 | ||
107 | static int kempld_register_cells_generic(struct kempld_device_data *pld) | |
108 | { | |
109 | struct mfd_cell devs[KEMPLD_MAX_DEVS]; | |
110 | int i = 0; | |
111 | ||
112 | if (pld->feature_mask & KEMPLD_FEATURE_BIT_I2C) | |
113 | devs[i++] = kempld_devs[KEMPLD_I2C]; | |
114 | ||
115 | if (pld->feature_mask & KEMPLD_FEATURE_BIT_WATCHDOG) | |
116 | devs[i++] = kempld_devs[KEMPLD_WDT]; | |
117 | ||
118 | if (pld->feature_mask & KEMPLD_FEATURE_BIT_GPIO) | |
119 | devs[i++] = kempld_devs[KEMPLD_GPIO]; | |
120 | ||
121 | if (pld->feature_mask & KEMPLD_FEATURE_MASK_UART) | |
122 | devs[i++] = kempld_devs[KEMPLD_UART]; | |
123 | ||
124 | return mfd_add_devices(pld->dev, -1, devs, i, NULL, 0, NULL); | |
125 | } | |
126 | ||
127 | static struct resource kempld_ioresource = { | |
128 | .start = KEMPLD_IOINDEX, | |
129 | .end = KEMPLD_IODATA, | |
130 | .flags = IORESOURCE_IO, | |
131 | }; | |
132 | ||
133 | static const struct kempld_platform_data kempld_platform_data_generic = { | |
134 | .pld_clock = KEMPLD_CLK, | |
135 | .ioresource = &kempld_ioresource, | |
136 | .get_hardware_mutex = kempld_get_hardware_mutex, | |
137 | .release_hardware_mutex = kempld_release_hardware_mutex, | |
138 | .get_info = kempld_get_info_generic, | |
139 | .register_cells = kempld_register_cells_generic, | |
140 | }; | |
141 | ||
142 | static struct platform_device *kempld_pdev; | |
143 | ||
144 | static int kempld_create_platform_device(const struct dmi_system_id *id) | |
145 | { | |
146 | struct kempld_platform_data *pdata = id->driver_data; | |
147 | int ret; | |
148 | ||
149 | kempld_pdev = platform_device_alloc("kempld", -1); | |
150 | if (!kempld_pdev) | |
151 | return -ENOMEM; | |
152 | ||
153 | ret = platform_device_add_data(kempld_pdev, pdata, sizeof(*pdata)); | |
154 | if (ret) | |
155 | goto err; | |
156 | ||
157 | ret = platform_device_add_resources(kempld_pdev, pdata->ioresource, 1); | |
158 | if (ret) | |
159 | goto err; | |
160 | ||
161 | ret = platform_device_add(kempld_pdev); | |
162 | if (ret) | |
163 | goto err; | |
164 | ||
165 | return 0; | |
166 | err: | |
167 | platform_device_put(kempld_pdev); | |
168 | return ret; | |
169 | } | |
170 | ||
171 | /** | |
172 | * kempld_read8 - read 8 bit register | |
173 | * @pld: kempld_device_data structure describing the PLD | |
174 | * @index: register index on the chip | |
175 | * | |
176 | * kempld_get_mutex must be called prior to calling this function. | |
177 | */ | |
178 | u8 kempld_read8(struct kempld_device_data *pld, u8 index) | |
179 | { | |
180 | iowrite8(index, pld->io_index); | |
181 | return ioread8(pld->io_data); | |
182 | } | |
183 | EXPORT_SYMBOL_GPL(kempld_read8); | |
184 | ||
185 | /** | |
186 | * kempld_write8 - write 8 bit register | |
187 | * @pld: kempld_device_data structure describing the PLD | |
188 | * @index: register index on the chip | |
189 | * @data: new register value | |
190 | * | |
191 | * kempld_get_mutex must be called prior to calling this function. | |
192 | */ | |
193 | void kempld_write8(struct kempld_device_data *pld, u8 index, u8 data) | |
194 | { | |
195 | iowrite8(index, pld->io_index); | |
196 | iowrite8(data, pld->io_data); | |
197 | } | |
198 | EXPORT_SYMBOL_GPL(kempld_write8); | |
199 | ||
200 | /** | |
201 | * kempld_read16 - read 16 bit register | |
202 | * @pld: kempld_device_data structure describing the PLD | |
203 | * @index: register index on the chip | |
204 | * | |
205 | * kempld_get_mutex must be called prior to calling this function. | |
206 | */ | |
207 | u16 kempld_read16(struct kempld_device_data *pld, u8 index) | |
208 | { | |
209 | return kempld_read8(pld, index) | kempld_read8(pld, index + 1) << 8; | |
210 | } | |
211 | EXPORT_SYMBOL_GPL(kempld_read16); | |
212 | ||
213 | /** | |
214 | * kempld_write16 - write 16 bit register | |
215 | * @pld: kempld_device_data structure describing the PLD | |
216 | * @index: register index on the chip | |
217 | * @data: new register value | |
218 | * | |
219 | * kempld_get_mutex must be called prior to calling this function. | |
220 | */ | |
221 | void kempld_write16(struct kempld_device_data *pld, u8 index, u16 data) | |
222 | { | |
223 | kempld_write8(pld, index, (u8)data); | |
224 | kempld_write8(pld, index + 1, (u8)(data >> 8)); | |
225 | } | |
226 | EXPORT_SYMBOL_GPL(kempld_write16); | |
227 | ||
228 | /** | |
229 | * kempld_read32 - read 32 bit register | |
230 | * @pld: kempld_device_data structure describing the PLD | |
231 | * @index: register index on the chip | |
232 | * | |
233 | * kempld_get_mutex must be called prior to calling this function. | |
234 | */ | |
235 | u32 kempld_read32(struct kempld_device_data *pld, u8 index) | |
236 | { | |
237 | return kempld_read16(pld, index) | kempld_read16(pld, index + 2) << 16; | |
238 | } | |
239 | EXPORT_SYMBOL_GPL(kempld_read32); | |
240 | ||
241 | /** | |
242 | * kempld_write32 - write 32 bit register | |
243 | * @pld: kempld_device_data structure describing the PLD | |
244 | * @index: register index on the chip | |
245 | * @data: new register value | |
246 | * | |
247 | * kempld_get_mutex must be called prior to calling this function. | |
248 | */ | |
249 | void kempld_write32(struct kempld_device_data *pld, u8 index, u32 data) | |
250 | { | |
251 | kempld_write16(pld, index, (u16)data); | |
252 | kempld_write16(pld, index + 2, (u16)(data >> 16)); | |
253 | } | |
254 | EXPORT_SYMBOL_GPL(kempld_write32); | |
255 | ||
256 | /** | |
257 | * kempld_get_mutex - acquire PLD mutex | |
258 | * @pld: kempld_device_data structure describing the PLD | |
259 | */ | |
260 | void kempld_get_mutex(struct kempld_device_data *pld) | |
261 | { | |
334a41ce | 262 | struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); |
43620a17 KS |
263 | |
264 | mutex_lock(&pld->lock); | |
265 | pdata->get_hardware_mutex(pld); | |
266 | } | |
267 | EXPORT_SYMBOL_GPL(kempld_get_mutex); | |
268 | ||
269 | /** | |
270 | * kempld_release_mutex - release PLD mutex | |
271 | * @pld: kempld_device_data structure describing the PLD | |
272 | */ | |
273 | void kempld_release_mutex(struct kempld_device_data *pld) | |
274 | { | |
334a41ce | 275 | struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); |
43620a17 KS |
276 | |
277 | pdata->release_hardware_mutex(pld); | |
278 | mutex_unlock(&pld->lock); | |
279 | } | |
280 | EXPORT_SYMBOL_GPL(kempld_release_mutex); | |
281 | ||
282 | /** | |
283 | * kempld_get_info - update device specific information | |
284 | * @pld: kempld_device_data structure describing the PLD | |
285 | * | |
286 | * This function calls the configured board specific kempld_get_info_XXXX | |
287 | * function which is responsible for gathering information about the specific | |
288 | * hardware. The information is then stored within the pld structure. | |
289 | */ | |
290 | static int kempld_get_info(struct kempld_device_data *pld) | |
291 | { | |
58a9e5b9 | 292 | int ret; |
334a41ce | 293 | struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); |
58a9e5b9 MB |
294 | char major, minor; |
295 | ||
296 | ret = pdata->get_info(pld); | |
297 | if (ret) | |
298 | return ret; | |
299 | ||
300 | /* The Kontron PLD firmware version string has the following format: | |
301 | * Pwxy.zzzz | |
302 | * P: Fixed | |
303 | * w: PLD number - 1 hex digit | |
304 | * x: Major version - 1 alphanumerical digit (0-9A-V) | |
305 | * y: Minor version - 1 alphanumerical digit (0-9A-V) | |
306 | * zzzz: Build number - 4 zero padded hex digits */ | |
43620a17 | 307 | |
58a9e5b9 MB |
308 | if (pld->info.major < 10) |
309 | major = pld->info.major + '0'; | |
310 | else | |
311 | major = (pld->info.major - 10) + 'A'; | |
312 | if (pld->info.minor < 10) | |
313 | minor = pld->info.minor + '0'; | |
314 | else | |
315 | minor = (pld->info.minor - 10) + 'A'; | |
316 | ||
317 | ret = scnprintf(pld->info.version, sizeof(pld->info.version), | |
318 | "P%X%c%c.%04X", pld->info.number, major, minor, | |
319 | pld->info.buildnr); | |
320 | if (ret < 0) | |
321 | return ret; | |
322 | ||
323 | return 0; | |
43620a17 KS |
324 | } |
325 | ||
326 | /* | |
327 | * kempld_register_cells - register cell drivers | |
328 | * | |
329 | * This function registers cell drivers for the detected hardware by calling | |
330 | * the configured kempld_register_cells_XXXX function which is responsible | |
331 | * to detect and register the needed cell drivers. | |
332 | */ | |
333 | static int kempld_register_cells(struct kempld_device_data *pld) | |
334 | { | |
334a41ce | 335 | struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); |
43620a17 KS |
336 | |
337 | return pdata->register_cells(pld); | |
338 | } | |
339 | ||
58a9e5b9 MB |
340 | static const char *kempld_get_type_string(struct kempld_device_data *pld) |
341 | { | |
342 | const char *version_type; | |
343 | ||
344 | switch (pld->info.type) { | |
345 | case 0: | |
346 | version_type = "release"; | |
347 | break; | |
348 | case 1: | |
349 | version_type = "debug"; | |
350 | break; | |
351 | case 2: | |
352 | version_type = "custom"; | |
353 | break; | |
354 | default: | |
355 | version_type = "unspecified"; | |
356 | break; | |
357 | } | |
358 | ||
359 | return version_type; | |
360 | } | |
361 | ||
362 | static ssize_t kempld_version_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, "%s\n", pld->info.version); | |
368 | } | |
369 | ||
370 | static ssize_t kempld_specification_show(struct device *dev, | |
371 | struct device_attribute *attr, char *buf) | |
372 | { | |
373 | struct kempld_device_data *pld = dev_get_drvdata(dev); | |
374 | ||
375 | return scnprintf(buf, PAGE_SIZE, "%d.%d\n", pld->info.spec_major, | |
376 | pld->info.spec_minor); | |
377 | } | |
378 | ||
379 | static ssize_t kempld_type_show(struct device *dev, | |
380 | struct device_attribute *attr, char *buf) | |
381 | { | |
382 | struct kempld_device_data *pld = dev_get_drvdata(dev); | |
383 | ||
384 | return scnprintf(buf, PAGE_SIZE, "%s\n", kempld_get_type_string(pld)); | |
385 | } | |
386 | ||
387 | static DEVICE_ATTR(pld_version, S_IRUGO, kempld_version_show, NULL); | |
388 | static DEVICE_ATTR(pld_specification, S_IRUGO, kempld_specification_show, | |
389 | NULL); | |
390 | static DEVICE_ATTR(pld_type, S_IRUGO, kempld_type_show, NULL); | |
391 | ||
392 | static struct attribute *pld_attributes[] = { | |
393 | &dev_attr_pld_version.attr, | |
394 | &dev_attr_pld_specification.attr, | |
395 | &dev_attr_pld_type.attr, | |
396 | NULL | |
397 | }; | |
398 | ||
399 | static const struct attribute_group pld_attr_group = { | |
400 | .attrs = pld_attributes, | |
401 | }; | |
402 | ||
43620a17 KS |
403 | static int kempld_detect_device(struct kempld_device_data *pld) |
404 | { | |
43620a17 KS |
405 | u8 index_reg; |
406 | int ret; | |
407 | ||
408 | mutex_lock(&pld->lock); | |
409 | ||
410 | /* Check for empty IO space */ | |
411 | index_reg = ioread8(pld->io_index); | |
412 | if (index_reg == 0xff && ioread8(pld->io_data) == 0xff) { | |
413 | mutex_unlock(&pld->lock); | |
414 | return -ENODEV; | |
415 | } | |
416 | ||
204747c9 GR |
417 | /* Release hardware mutex if acquired */ |
418 | if (!(index_reg & KEMPLD_MUTEX_KEY)) { | |
43620a17 | 419 | iowrite8(KEMPLD_MUTEX_KEY, pld->io_index); |
204747c9 GR |
420 | /* PXT and COMe-cPC2 boards may require a second release */ |
421 | iowrite8(KEMPLD_MUTEX_KEY, pld->io_index); | |
422 | } | |
43620a17 KS |
423 | |
424 | mutex_unlock(&pld->lock); | |
425 | ||
426 | ret = kempld_get_info(pld); | |
427 | if (ret) | |
428 | return ret; | |
429 | ||
58a9e5b9 MB |
430 | dev_info(pld->dev, "Found Kontron PLD - %s (%s), spec %d.%d\n", |
431 | pld->info.version, kempld_get_type_string(pld), | |
432 | pld->info.spec_major, pld->info.spec_minor); | |
433 | ||
434 | ret = sysfs_create_group(&pld->dev->kobj, &pld_attr_group); | |
435 | if (ret) | |
436 | return ret; | |
43620a17 | 437 | |
58a9e5b9 MB |
438 | ret = kempld_register_cells(pld); |
439 | if (ret) | |
440 | sysfs_remove_group(&pld->dev->kobj, &pld_attr_group); | |
43620a17 | 441 | |
58a9e5b9 | 442 | return ret; |
43620a17 KS |
443 | } |
444 | ||
445 | static int kempld_probe(struct platform_device *pdev) | |
446 | { | |
334a41ce | 447 | struct kempld_platform_data *pdata = dev_get_platdata(&pdev->dev); |
43620a17 KS |
448 | struct device *dev = &pdev->dev; |
449 | struct kempld_device_data *pld; | |
450 | struct resource *ioport; | |
451 | int ret; | |
452 | ||
453 | pld = devm_kzalloc(dev, sizeof(*pld), GFP_KERNEL); | |
454 | if (!pld) | |
455 | return -ENOMEM; | |
456 | ||
457 | ioport = platform_get_resource(pdev, IORESOURCE_IO, 0); | |
458 | if (!ioport) | |
459 | return -EINVAL; | |
460 | ||
461 | pld->io_base = devm_ioport_map(dev, ioport->start, | |
462 | ioport->end - ioport->start); | |
463 | if (!pld->io_base) | |
464 | return -ENOMEM; | |
465 | ||
466 | pld->io_index = pld->io_base; | |
467 | pld->io_data = pld->io_base + 1; | |
468 | pld->pld_clock = pdata->pld_clock; | |
469 | pld->dev = dev; | |
470 | ||
471 | mutex_init(&pld->lock); | |
472 | platform_set_drvdata(pdev, pld); | |
473 | ||
474 | ret = kempld_detect_device(pld); | |
475 | if (ret) | |
476 | return ret; | |
477 | ||
478 | return 0; | |
479 | } | |
480 | ||
481 | static int kempld_remove(struct platform_device *pdev) | |
482 | { | |
483 | struct kempld_device_data *pld = platform_get_drvdata(pdev); | |
334a41ce | 484 | struct kempld_platform_data *pdata = dev_get_platdata(pld->dev); |
43620a17 | 485 | |
58a9e5b9 MB |
486 | sysfs_remove_group(&pld->dev->kobj, &pld_attr_group); |
487 | ||
43620a17 KS |
488 | mfd_remove_devices(&pdev->dev); |
489 | pdata->release_hardware_mutex(pld); | |
490 | ||
491 | return 0; | |
492 | } | |
493 | ||
494 | static struct platform_driver kempld_driver = { | |
495 | .driver = { | |
496 | .name = "kempld", | |
43620a17 KS |
497 | }, |
498 | .probe = kempld_probe, | |
499 | .remove = kempld_remove, | |
500 | }; | |
501 | ||
9ef4e935 | 502 | static struct dmi_system_id kempld_dmi_table[] __initdata = { |
c1d33b1b | 503 | { |
18ca2ba5 MB |
504 | .ident = "BBL6", |
505 | .matches = { | |
506 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
507 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bBL6"), | |
508 | }, | |
509 | .driver_data = (void *)&kempld_platform_data_generic, | |
510 | .callback = kempld_create_platform_device, | |
511 | }, { | |
c1d33b1b MB |
512 | .ident = "BHL6", |
513 | .matches = { | |
514 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
515 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bHL6"), | |
516 | }, | |
517 | .driver_data = (void *)&kempld_platform_data_generic, | |
518 | .callback = kempld_create_platform_device, | |
fb358e43 MB |
519 | }, { |
520 | .ident = "CBL6", | |
521 | .matches = { | |
522 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
523 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cBL6"), | |
524 | }, | |
525 | .driver_data = (void *)&kempld_platform_data_generic, | |
526 | .callback = kempld_create_platform_device, | |
18ca2ba5 MB |
527 | }, { |
528 | .ident = "CBW6", | |
529 | .matches = { | |
530 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
531 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cBW6"), | |
532 | }, | |
533 | .driver_data = (void *)&kempld_platform_data_generic, | |
534 | .callback = kempld_create_platform_device, | |
fb358e43 | 535 | }, { |
43620a17 KS |
536 | .ident = "CCR2", |
537 | .matches = { | |
538 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
539 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP2"), | |
540 | }, | |
541 | .driver_data = (void *)&kempld_platform_data_generic, | |
542 | .callback = kempld_create_platform_device, | |
543 | }, { | |
544 | .ident = "CCR6", | |
545 | .matches = { | |
546 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
547 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP6"), | |
548 | }, | |
549 | .driver_data = (void *)&kempld_platform_data_generic, | |
550 | .callback = kempld_create_platform_device, | |
a3ee7509 MB |
551 | }, { |
552 | .ident = "CHL6", | |
553 | .matches = { | |
554 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
555 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cHL6"), | |
556 | }, | |
557 | .driver_data = (void *)&kempld_platform_data_generic, | |
558 | .callback = kempld_create_platform_device, | |
43620a17 KS |
559 | }, { |
560 | .ident = "CHR2", | |
561 | .matches = { | |
562 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
563 | DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T2"), | |
564 | }, | |
565 | .driver_data = (void *)&kempld_platform_data_generic, | |
566 | .callback = kempld_create_platform_device, | |
567 | }, { | |
568 | .ident = "CHR2", | |
569 | .matches = { | |
570 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
571 | DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T2"), | |
572 | }, | |
573 | .driver_data = (void *)&kempld_platform_data_generic, | |
574 | .callback = kempld_create_platform_device, | |
575 | }, { | |
576 | .ident = "CHR2", | |
577 | .matches = { | |
578 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
579 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC2"), | |
580 | }, | |
581 | .driver_data = (void *)&kempld_platform_data_generic, | |
582 | .callback = kempld_create_platform_device, | |
583 | }, { | |
584 | .ident = "CHR6", | |
585 | .matches = { | |
586 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
587 | DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T6"), | |
588 | }, | |
589 | .driver_data = (void *)&kempld_platform_data_generic, | |
590 | .callback = kempld_create_platform_device, | |
591 | }, { | |
592 | .ident = "CHR6", | |
593 | .matches = { | |
594 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
595 | DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T6"), | |
596 | }, | |
597 | .driver_data = (void *)&kempld_platform_data_generic, | |
598 | .callback = kempld_create_platform_device, | |
599 | }, { | |
600 | .ident = "CHR6", | |
601 | .matches = { | |
602 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
603 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC6"), | |
604 | }, | |
605 | .driver_data = (void *)&kempld_platform_data_generic, | |
606 | .callback = kempld_create_platform_device, | |
607 | }, { | |
608 | .ident = "CNTG", | |
609 | .matches = { | |
610 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
611 | DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-PC"), | |
612 | }, | |
613 | .driver_data = (void *)&kempld_platform_data_generic, | |
614 | .callback = kempld_create_platform_device, | |
615 | }, { | |
616 | .ident = "CNTG", | |
617 | .matches = { | |
618 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
619 | DMI_MATCH(DMI_BOARD_NAME, "COMe-bPC2"), | |
620 | }, | |
621 | .driver_data = (void *)&kempld_platform_data_generic, | |
622 | .callback = kempld_create_platform_device, | |
623 | }, { | |
624 | .ident = "CNTX", | |
625 | .matches = { | |
626 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
627 | DMI_MATCH(DMI_BOARD_NAME, "PXT"), | |
628 | }, | |
629 | .driver_data = (void *)&kempld_platform_data_generic, | |
630 | .callback = kempld_create_platform_device, | |
a3ee7509 MB |
631 | }, { |
632 | .ident = "CVV6", | |
633 | .matches = { | |
634 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
635 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cBT"), | |
636 | }, | |
637 | .driver_data = (void *)&kempld_platform_data_generic, | |
638 | .callback = kempld_create_platform_device, | |
43620a17 KS |
639 | }, { |
640 | .ident = "FRI2", | |
641 | .matches = { | |
642 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
643 | DMI_MATCH(DMI_BIOS_VERSION, "FRI2"), | |
644 | }, | |
645 | .driver_data = (void *)&kempld_platform_data_generic, | |
646 | .callback = kempld_create_platform_device, | |
647 | }, { | |
648 | .ident = "FRI2", | |
649 | .matches = { | |
650 | DMI_MATCH(DMI_PRODUCT_NAME, "Fish River Island II"), | |
651 | }, | |
652 | .driver_data = (void *)&kempld_platform_data_generic, | |
653 | .callback = kempld_create_platform_device, | |
654 | }, { | |
655 | .ident = "MBR1", | |
656 | .matches = { | |
657 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
658 | DMI_MATCH(DMI_BOARD_NAME, "ETX-OH"), | |
659 | }, | |
660 | .driver_data = (void *)&kempld_platform_data_generic, | |
661 | .callback = kempld_create_platform_device, | |
a3ee7509 MB |
662 | }, { |
663 | .ident = "MVV1", | |
664 | .matches = { | |
665 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
666 | DMI_MATCH(DMI_BOARD_NAME, "COMe-mBT"), | |
667 | }, | |
668 | .driver_data = (void *)&kempld_platform_data_generic, | |
669 | .callback = kempld_create_platform_device, | |
43620a17 KS |
670 | }, { |
671 | .ident = "NTC1", | |
672 | .matches = { | |
673 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
674 | DMI_MATCH(DMI_BOARD_NAME, "nanoETXexpress-TT"), | |
675 | }, | |
676 | .driver_data = (void *)&kempld_platform_data_generic, | |
677 | .callback = kempld_create_platform_device, | |
678 | }, { | |
679 | .ident = "NTC1", | |
680 | .matches = { | |
681 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
682 | DMI_MATCH(DMI_BOARD_NAME, "nETXe-TT"), | |
683 | }, | |
684 | .driver_data = (void *)&kempld_platform_data_generic, | |
685 | .callback = kempld_create_platform_device, | |
686 | }, { | |
687 | .ident = "NTC1", | |
688 | .matches = { | |
689 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
690 | DMI_MATCH(DMI_BOARD_NAME, "COMe-mTT"), | |
691 | }, | |
692 | .driver_data = (void *)&kempld_platform_data_generic, | |
693 | .callback = kempld_create_platform_device, | |
694 | }, { | |
695 | .ident = "NUP1", | |
696 | .matches = { | |
697 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
698 | DMI_MATCH(DMI_BOARD_NAME, "COMe-mCT"), | |
699 | }, | |
700 | .driver_data = (void *)&kempld_platform_data_generic, | |
701 | .callback = kempld_create_platform_device, | |
702 | }, { | |
703 | .ident = "UNP1", | |
704 | .matches = { | |
705 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
706 | DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-DC"), | |
707 | }, | |
708 | .driver_data = (void *)&kempld_platform_data_generic, | |
709 | .callback = kempld_create_platform_device, | |
710 | }, { | |
711 | .ident = "UNP1", | |
712 | .matches = { | |
713 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
714 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cDC2"), | |
715 | }, | |
716 | .driver_data = (void *)&kempld_platform_data_generic, | |
717 | .callback = kempld_create_platform_device, | |
718 | }, { | |
719 | .ident = "UNTG", | |
720 | .matches = { | |
721 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
722 | DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-PC"), | |
723 | }, | |
724 | .driver_data = (void *)&kempld_platform_data_generic, | |
725 | .callback = kempld_create_platform_device, | |
726 | }, { | |
727 | .ident = "UNTG", | |
728 | .matches = { | |
729 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
730 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cPC2"), | |
731 | }, | |
732 | .driver_data = (void *)&kempld_platform_data_generic, | |
733 | .callback = kempld_create_platform_device, | |
734 | }, { | |
735 | .ident = "UUP6", | |
736 | .matches = { | |
737 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
738 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cCT6"), | |
739 | }, | |
740 | .driver_data = (void *)&kempld_platform_data_generic, | |
c1d33b1b MB |
741 | .callback = kempld_create_platform_device, |
742 | }, | |
743 | { | |
744 | .ident = "UTH6", | |
745 | .matches = { | |
746 | DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"), | |
747 | DMI_MATCH(DMI_BOARD_NAME, "COMe-cTH6"), | |
748 | }, | |
749 | .driver_data = (void *)&kempld_platform_data_generic, | |
43620a17 KS |
750 | .callback = kempld_create_platform_device, |
751 | }, | |
752 | {} | |
753 | }; | |
754 | MODULE_DEVICE_TABLE(dmi, kempld_dmi_table); | |
755 | ||
756 | static int __init kempld_init(void) | |
757 | { | |
758 | const struct dmi_system_id *id; | |
759 | int ret; | |
760 | ||
761 | if (force_device_id[0]) { | |
9ef4e935 LJ |
762 | for (id = kempld_dmi_table; |
763 | id->matches[0].slot != DMI_NONE; id++) | |
43620a17 | 764 | if (strstr(id->ident, force_device_id)) |
c8648508 | 765 | if (id->callback && !id->callback(id)) |
43620a17 KS |
766 | break; |
767 | if (id->matches[0].slot == DMI_NONE) | |
768 | return -ENODEV; | |
769 | } else { | |
770 | if (!dmi_check_system(kempld_dmi_table)) | |
771 | return -ENODEV; | |
772 | } | |
773 | ||
774 | ret = platform_driver_register(&kempld_driver); | |
775 | if (ret) | |
776 | return ret; | |
777 | ||
778 | return 0; | |
779 | } | |
780 | ||
781 | static void __exit kempld_exit(void) | |
782 | { | |
783 | if (kempld_pdev) | |
784 | platform_device_unregister(kempld_pdev); | |
785 | ||
786 | platform_driver_unregister(&kempld_driver); | |
787 | } | |
788 | ||
789 | module_init(kempld_init); | |
790 | module_exit(kempld_exit); | |
791 | ||
792 | MODULE_DESCRIPTION("KEM PLD Core Driver"); | |
793 | MODULE_AUTHOR("Michael Brunner <michael.brunner@kontron.com>"); | |
794 | MODULE_LICENSE("GPL"); | |
795 | MODULE_ALIAS("platform:kempld-core"); |