a1ee842f4f71951884c3d52ff6603092959a87e2
[openwrt/svn-archive/archive.git] / package / broadcom-diag / src / diag.c
1 /*
2 * diag.c - GPIO interface driver for Broadcom boards
3 *
4 * Copyright (C) 2006 Mike Baker <mbm@openwrt.org>,
5 * Copyright (C) 2006-2007 Felix Fietkau <nbd@openwrt.org>
6 * Copyright (C) 2008 Andy Boyett <agb@openwrt.org>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 *
22 * $Id$
23 */
24 #include <linux/module.h>
25 #include <linux/pci.h>
26 #include <linux/kmod.h>
27 #include <linux/proc_fs.h>
28 #include <linux/timer.h>
29 #include <linux/version.h>
30 #include <asm/uaccess.h>
31
32 #ifndef LINUX_2_4
33 #include <linux/workqueue.h>
34 #include <linux/skbuff.h>
35 #include <linux/netlink.h>
36 #include <net/sock.h>
37 extern struct sock *uevent_sock;
38 extern u64 uevent_next_seqnum(void);
39 #else
40 #include <linux/tqueue.h>
41 #define INIT_WORK INIT_TQUEUE
42 #define schedule_work schedule_task
43 #define work_struct tq_struct
44 #endif
45
46 #include "gpio.h"
47 #include "diag.h"
48 #define getvar(str) (nvram_get(str)?:"")
49
50 static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
51 static int fill_event(struct event_t *);
52 static unsigned int gpiomask = 0;
53 module_param(gpiomask, int, 0644);
54
55 enum {
56 /* Linksys */
57 WAP54GV1,
58 WAP54GV3,
59 WRT54GV1,
60 WRT54G,
61 WRTSL54GS,
62 WRT54G3G,
63 WRT350N,
64
65 /* ASUS */
66 WLHDD,
67 WL300G,
68 WL500G,
69 WL500GD,
70 WL500GP,
71 WL500GPV2,
72 WL500W,
73 WL520GC,
74 WL520GU,
75 ASUS_4702,
76 WL700GE,
77
78 /* Buffalo */
79 WBR2_G54,
80 WHR_G54S,
81 WHR_HP_G54,
82 WHR_G125,
83 WHR2_A54G54,
84 WLA2_G54L,
85 WZR_G300N,
86 WZR_RS_G54,
87 WZR_RS_G54HP,
88 BUFFALO_UNKNOWN,
89 BUFFALO_UNKNOWN_4710,
90
91 /* Siemens */
92 SE505V1,
93 SE505V2,
94
95 /* US Robotics */
96 USR5461,
97
98 /* Dell */
99 TM2300,
100
101 /* Motorola */
102 WE800G,
103 WR850GV1,
104 WR850GV2V3,
105 WR850GP,
106
107 /* Belkin */
108 BELKIN_UNKNOWN,
109
110 /* Netgear */
111 WGT634U,
112
113 /* Trendware */
114 TEW411BRPP,
115
116 /* SimpleTech */
117 STI_NAS,
118
119 /* D-Link */
120 DIR130,
121 DIR330,
122 DWL3150,
123
124 /* Sitecom */
125 WL105B,
126 };
127
128 static void __init bcm4780_init(void) {
129 int pin = 1 << 3;
130
131 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
132 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
133 gpio_outen(pin, pin);
134 gpio_control(pin, 0);
135 gpio_out(pin, pin);
136
137 /* Wait 5s, so the HDD can spin up */
138 set_current_state(TASK_INTERRUPTIBLE);
139 schedule_timeout(HZ * 5);
140 }
141
142 static void __init bcm57xx_init(void) {
143 int pin = 1 << 2;
144
145 gpio_outen(pin, pin);
146 gpio_control(pin, 0);
147 gpio_out(pin, pin);
148 }
149
150 static struct platform_t __initdata platforms[] = {
151 /* Linksys */
152 [WAP54GV1] = {
153 .name = "Linksys WAP54G V1",
154 .buttons = {
155 { .name = "reset", .gpio = 1 << 0 },
156 },
157 .leds = {
158 { .name = "diag", .gpio = 1 << 3 },
159 { .name = "wlan", .gpio = 1 << 4 },
160 },
161 },
162 [WAP54GV3] = {
163 .name = "Linksys WAP54G V3",
164 .buttons = {
165 /* FIXME: verify this */
166 { .name = "reset", .gpio = 1 << 7 },
167 { .name = "ses", .gpio = 1 << 0 },
168 },
169 .leds = {
170 /* FIXME: diag? */
171 { .name = "ses", .gpio = 1 << 1 },
172 },
173 },
174 [WRT54GV1] = {
175 .name = "Linksys WRT54G V1.x",
176 .buttons = {
177 { .name = "reset", .gpio = 1 << 6 },
178 },
179 .leds = {
180 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
181 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
182 },
183 },
184 [WRT54G] = {
185 .name = "Linksys WRT54G/GS/GL",
186 .buttons = {
187 { .name = "reset", .gpio = 1 << 6 },
188 { .name = "ses", .gpio = 1 << 4 },
189 },
190 .leds = {
191 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
192 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
193 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
194 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
195 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
196 },
197 },
198 [WRTSL54GS] = {
199 .name = "Linksys WRTSL54GS",
200 .buttons = {
201 { .name = "reset", .gpio = 1 << 6 },
202 { .name = "ses", .gpio = 1 << 4 },
203 },
204 .leds = {
205 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
206 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
207 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
208 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
209 },
210 },
211 [WRT54G3G] = {
212 .name = "Linksys WRT54G3G",
213 .buttons = {
214 { .name = "reset", .gpio = 1 << 6 },
215 { .name = "3g", .gpio = 1 << 4 },
216 },
217 .leds = {
218 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
219 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
220 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
221 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
222 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
223 },
224 },
225 [WRT350N] = {
226 .name = "Linksys WRT350N",
227 .buttons = {
228 { .name = "reset", .gpio = 1 << 6 },
229 { .name = "ses", .gpio = 1 << 8 },
230 },
231 .leds = {
232 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
233 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
234 { .name = "ses_green", .gpio = 1 << 9, .polarity = REVERSE },
235 { .name = "usb_blink", .gpio = 1 << 10, .polarity = REVERSE },
236 { .name = "usb", .gpio = 1 << 11, .polarity = REVERSE },
237 },
238 .platform_init = bcm57xx_init,
239 },
240 /* Asus */
241 [WLHDD] = {
242 .name = "ASUS WL-HDD",
243 .buttons = {
244 { .name = "reset", .gpio = 1 << 6 },
245 },
246 .leds = {
247 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
248 { .name = "usb", .gpio = 1 << 2, .polarity = NORMAL },
249 },
250 },
251 [WL300G] = {
252 .name = "ASUS WL-300g",
253 .buttons = {
254 { .name = "reset", .gpio = 1 << 6 },
255 },
256 .leds = {
257 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
258 },
259 },
260 [WL500G] = {
261 .name = "ASUS WL-500g",
262 .buttons = {
263 { .name = "reset", .gpio = 1 << 6 },
264 },
265 .leds = {
266 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
267 },
268 },
269 [WL500GD] = {
270 .name = "ASUS WL-500g Deluxe",
271 .buttons = {
272 { .name = "reset", .gpio = 1 << 6 },
273 },
274 .leds = {
275 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
276 },
277 },
278 [WL500GP] = {
279 .name = "ASUS WL-500g Premium",
280 .buttons = {
281 { .name = "reset", .gpio = 1 << 0 },
282 { .name = "ses", .gpio = 1 << 4 },
283 },
284 .leds = {
285 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
286 },
287 },
288 [WL500GPV2] = {
289 .name = "ASUS WL-500g Premium V2",
290 .buttons = {
291 { .name = "reset", .gpio = 1 << 2 },
292 { .name = "ses", .gpio = 1 << 3 },
293 },
294 .leds = {
295 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
296 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
297 },
298 },
299 [WL500W] = {
300 .name = "ASUS WL-500W",
301 .buttons = {
302 { .name = "reset", .gpio = 1 << 6 },
303 { .name = "ses", .gpio = 1 << 7 },
304 },
305 .leds = {
306 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
307 },
308 },
309 [WL520GC] = {
310 .name = "ASUS WL-520GC",
311 .buttons = {
312 { .name = "reset", .gpio = 1 << 2 },
313 { .name = "ses", .gpio = 1 << 3 },
314 },
315 .leds = {
316 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
317 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
318 },
319 },
320 [WL520GU] = {
321 .name = "ASUS WL-520gU",
322 .buttons = {
323 { .name = "reset", .gpio = 1 << 2 },
324 { .name = "ses", .gpio = 1 << 3 },
325 },
326 .leds = {
327 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
328 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
329 },
330 },
331 [ASUS_4702] = {
332 .name = "ASUS (unknown, BCM4702)",
333 .buttons = {
334 { .name = "reset", .gpio = 1 << 6 },
335 },
336 .leds = {
337 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
338 },
339 },
340 [WL700GE] = {
341 .name = "ASUS WL-700gE",
342 .buttons = {
343 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
344 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
345 { .name = "power", .gpio = 1 << 0 }, // on front
346 { .name = "copy", .gpio = 1 << 6 }, // on front
347 },
348 .leds = {
349 #if 0
350 // GPIO that controls power led also enables/disables some essential functions
351 // - power to HDD
352 // - switch leds
353 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
354 #endif
355 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
356 },
357 .platform_init = bcm4780_init,
358 },
359 /* Buffalo */
360 [WHR_G54S] = {
361 .name = "Buffalo WHR-G54S",
362 .buttons = {
363 { .name = "reset", .gpio = 1 << 4 },
364 { .name = "bridge", .gpio = 1 << 5 },
365 { .name = "ses", .gpio = 1 << 0 },
366 },
367 .leds = {
368 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
369 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
370 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
371 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
372 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
373 },
374 },
375 [WBR2_G54] = {
376 .name = "Buffalo WBR2-G54",
377 /* FIXME: verify */
378 .buttons = {
379 { .name = "reset", .gpio = 1 << 7 },
380 },
381 .leds = {
382 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
383 },
384 },
385 [WHR_HP_G54] = {
386 .name = "Buffalo WHR-HP-G54",
387 .buttons = {
388 { .name = "reset", .gpio = 1 << 4 },
389 { .name = "bridge", .gpio = 1 << 5 },
390 { .name = "ses", .gpio = 1 << 0 },
391 },
392 .leds = {
393 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
394 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
395 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
396 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
397 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
398 },
399 },
400 [WHR_G125] = {
401 .name = "Buffalo WHR-G125",
402 .buttons = {
403 { .name = "reset", .gpio = 1 << 4 },
404 { .name = "bridge", .gpio = 1 << 5 },
405 { .name = "ses", .gpio = 1 << 0 },
406 },
407 .leds = {
408 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
409 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
410 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
411 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
412 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
413 },
414 },
415 [WHR2_A54G54] = {
416 .name = "Buffalo WHR2-A54G54",
417 .buttons = {
418 { .name = "reset", .gpio = 1 << 4 },
419 },
420 .leds = {
421 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
422 },
423 },
424 [WLA2_G54L] = {
425 .name = "Buffalo WLA2-G54L",
426 /* FIXME: verify */
427 .buttons = {
428 { .name = "reset", .gpio = 1 << 7 },
429 },
430 .leds = {
431 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
432 },
433 },
434 [WZR_G300N] = {
435 .name = "Buffalo WZR-G300N",
436 .buttons = {
437 { .name = "reset", .gpio = 1 << 4 },
438 },
439 .leds = {
440 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
441 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
442 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
443 },
444 },
445 [WZR_RS_G54] = {
446 .name = "Buffalo WZR-RS-G54",
447 .buttons = {
448 { .name = "ses", .gpio = 1 << 0 },
449 { .name = "reset", .gpio = 1 << 4 },
450 },
451 .leds = {
452 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
453 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
454 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
455 },
456 },
457 [WZR_RS_G54HP] = {
458 .name = "Buffalo WZR-RS-G54HP",
459 .buttons = {
460 { .name = "ses", .gpio = 1 << 0 },
461 { .name = "reset", .gpio = 1 << 4 },
462 },
463 .leds = {
464 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
465 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
466 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
467 },
468 },
469 [BUFFALO_UNKNOWN] = {
470 .name = "Buffalo (unknown)",
471 .buttons = {
472 { .name = "reset", .gpio = 1 << 7 },
473 },
474 .leds = {
475 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
476 },
477 },
478 [BUFFALO_UNKNOWN_4710] = {
479 .name = "Buffalo (unknown, BCM4710)",
480 .buttons = {
481 { .name = "reset", .gpio = 1 << 4 },
482 },
483 .leds = {
484 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
485 },
486 },
487 /* Siemens */
488 [SE505V1] = {
489 .name = "Siemens SE505 V1",
490 .buttons = {
491 /* No usable buttons */
492 },
493 .leds = {
494 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE },
495 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
496 },
497 },
498 [SE505V2] = {
499 .name = "Siemens SE505 V2",
500 .buttons = {
501 /* No usable buttons */
502 },
503 .leds = {
504 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
505 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
506 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
507 },
508 },
509 /* US Robotics */
510 [USR5461] = {
511 .name = "U.S. Robotics USR5461",
512 .buttons = {
513 /* No usable buttons */
514 },
515 .leds = {
516 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
517 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
518 },
519 },
520 /* Dell */
521 [TM2300] = {
522 .name = "Dell TrueMobile 2300",
523 .buttons = {
524 { .name = "reset", .gpio = 1 << 0 },
525 },
526 .leds = {
527 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
528 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
529 },
530 },
531 /* Motorola */
532 [WE800G] = {
533 .name = "Motorola WE800G",
534 .buttons = {
535 { .name = "reset", .gpio = 1 << 0 },
536 },
537 .leds = {
538 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
539 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
540 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
541 },
542 },
543 [WR850GV1] = {
544 .name = "Motorola WR850G V1",
545 .buttons = {
546 { .name = "reset", .gpio = 1 << 0 },
547 },
548 .leds = {
549 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
550 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
551 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
552 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
553 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
554 },
555 },
556 [WR850GV2V3] = {
557 .name = "Motorola WR850G V2/V3",
558 .buttons = {
559 { .name = "reset", .gpio = 1 << 5 },
560 },
561 .leds = {
562 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
563 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
564 { .name = "wan", .gpio = 1 << 6, .polarity = INPUT },
565 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
566 },
567 },
568 [WR850GP] = {
569 .name = "Motorola WR850GP",
570 .buttons = {
571 { .name = "reset", .gpio = 1 << 5 },
572 },
573 .leds = {
574 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
575 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
576 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
577 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
578 },
579 },
580
581 /* Belkin */
582 [BELKIN_UNKNOWN] = {
583 .name = "Belkin (unknown)",
584 /* FIXME: verify & add detection */
585 .buttons = {
586 { .name = "reset", .gpio = 1 << 7 },
587 },
588 .leds = {
589 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
590 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
591 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
592 },
593 },
594 /* Netgear */
595 [WGT634U] = {
596 .name = "Netgear WGT634U",
597 .buttons = {
598 { .name = "reset", .gpio = 1 << 2 },
599 },
600 .leds = {
601 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
602 },
603 },
604 /* Trendware */
605 [TEW411BRPP] = {
606 .name = "Trendware TEW411BRP+",
607 .buttons = {
608 { /* No usable buttons */ },
609 },
610 .leds = {
611 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
612 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
613 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
614 },
615 },
616 /* SimpleTech */
617 [STI_NAS] = {
618 .name = "SimpleTech SimpleShare NAS",
619 .buttons = {
620 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
621 { .name = "power", .gpio = 1 << 0 }, // on back
622 },
623 .leds = {
624 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
625 },
626 .platform_init = bcm4780_init,
627 },
628 /* D-Link */
629 [DIR130] = {
630 .name = "D-Link DIR-130",
631 .buttons = {
632 { .name = "reset", .gpio = 1 << 3},
633 { .name = "reserved", .gpio = 1 << 7},
634 },
635 .leds = {
636 { .name = "diag", .gpio = 1 << 0},
637 { .name = "blue", .gpio = 1 << 6},
638 },
639 },
640 [DIR330] = {
641 .name = "D-Link DIR-330",
642 .buttons = {
643 { .name = "reset", .gpio = 1 << 3},
644 { .name = "reserved", .gpio = 1 << 7},
645 },
646 .leds = {
647 { .name = "diag", .gpio = 1 << 0},
648 { .name = "usb", .gpio = 1 << 4},
649 { .name = "blue", .gpio = 1 << 6},
650 },
651 },
652 [DWL3150] = {
653 .name = "D-Link DWL-3150",
654 .buttons = {
655 { .name = "reset", .gpio = 1 << 7},
656 },
657 .leds = {
658 { .name = "diag", .gpio = 1 << 2},
659 { .name = "status", .gpio = 1 << 1},
660 },
661 },
662 /* Double check */
663 [WL105B] = {
664 .name = "Sitecom WL-105b",
665 .buttons = {
666 { .name = "reset", .gpio = 1 << 10},
667 },
668 .leds = {
669 { .name = "wlan", .gpio = 1 << 4},
670 { .name = "power", .gpio = 1 << 3},
671 },
672 },
673 };
674
675 static struct platform_t __init *platform_detect(void)
676 {
677 char *boardnum, *boardtype, *buf;
678
679 if (strcmp(getvar("nvram_type"), "cfe") == 0)
680 return &platforms[WGT634U];
681
682 /* Look for a model identifier */
683
684 /* Based on "model_name" */
685 if ((buf = nvram_get("model_name"))) {
686 if (!strcmp(buf, "DIR-130"))
687 return &platforms[DIR130];
688 if (!strcmp(buf, "DIR-330"))
689 return &platforms[DIR330];
690 }
691
692 /* Based on "model_no" */
693 if ((buf = nvram_get("model_no"))) {
694 if (startswith(buf,"WL700")) /* WL700* */
695 return &platforms[WL700GE];
696 }
697
698 /* Based on "hardware_version" */
699 if ((buf = nvram_get("hardware_version"))) {
700 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
701 return &platforms[WL500GPV2];
702 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
703 return &platforms[WL520GC];
704 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
705 return &platforms[WL520GU];
706 }
707
708 /* Based on "ModelId" */
709 if ((buf = nvram_get("ModelId"))) {
710 if (!strcmp(buf, "WR850GP"))
711 return &platforms[WR850GP];
712 if (!strcmp(buf,"WX-5565"))
713 return &platforms[TM2300];
714 if (startswith(buf,"WE800G")) /* WE800G* */
715 return &platforms[WE800G];
716 }
717
718 /* Buffalo */
719 if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
720 /* Buffalo hardware, check id for specific hardware matches */
721 if (!strcmp(buf, "29bb0332"))
722 return &platforms[WBR2_G54];
723 if (!strcmp(buf, "29129"))
724 return &platforms[WLA2_G54L];
725 if (!strcmp(buf, "30189"))
726 return &platforms[WHR_HP_G54];
727 if (!strcmp(buf, "32093"))
728 return &platforms[WHR_G125];
729 if (!strcmp(buf, "30182"))
730 return &platforms[WHR_G54S];
731 if (!strcmp(buf, "290441dd"))
732 return &platforms[WHR2_A54G54];
733 if (!strcmp(buf, "31120"))
734 return &platforms[WZR_G300N];
735 if (!strcmp(buf, "30083"))
736 return &platforms[WZR_RS_G54];
737 if (!strcmp(buf, "30103"))
738 return &platforms[WZR_RS_G54HP];
739 }
740
741 /* no easy model number, attempt to guess */
742 boardnum = getvar("boardnum");
743 boardtype = getvar("boardtype");
744
745 if (startswith(getvar("pmon_ver"), "CFE")) {
746 /* CFE based - newer hardware */
747 if (!strcmp(boardnum, "42")) { /* Linksys */
748 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
749 return &platforms[WRT350N];
750
751 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
752 return &platforms[WRT54G3G];
753
754 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
755 return &platforms[WRTSL54GS];
756
757 /* default to WRT54G */
758 return &platforms[WRT54G];
759 }
760
761 if (!strcmp(boardnum, "45")) { /* ASUS */
762 if (!strcmp(boardtype,"0x042f"))
763 return &platforms[WL500GP];
764 else if (!strcmp(boardtype,"0x0472"))
765 return &platforms[WL500W];
766 else
767 return &platforms[WL500GD];
768 }
769
770 if (!strcmp(boardnum, "10496"))
771 return &platforms[USR5461];
772
773 } else { /* PMON based - old stuff */
774 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
775 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
776 return &platforms[WR850GV1];
777 }
778 if (startswith(boardtype, "bcm94710dev")) {
779 if (!strcmp(boardnum, "42"))
780 return &platforms[WRT54GV1];
781 if (simple_strtoul(boardnum, NULL, 0) == 2)
782 return &platforms[WAP54GV1];
783 }
784 if (startswith(getvar("hardware_version"), "WL500-"))
785 return &platforms[WL500G];
786 if (startswith(getvar("hardware_version"), "WL300-")) {
787 /* Either WL-300g or WL-HDD, do more extensive checks */
788 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
789 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
790 return &platforms[WLHDD];
791 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
792 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
793 return &platforms[WL300G];
794 }
795 /* Sitecom WL-105b */
796 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
797 return &platforms[WL105B];
798
799 /* unknown asus stuff, probably bcm4702 */
800 if (startswith(boardnum, "asusX"))
801 return &platforms[ASUS_4702];
802 }
803
804 if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
805 if (startswith(boardtype, "bcm94710ap"))
806 return &platforms[BUFFALO_UNKNOWN_4710];
807 else
808 return &platforms[BUFFALO_UNKNOWN];
809 }
810
811 if (startswith(getvar("CFEver"), "MotoWRv2") ||
812 startswith(getvar("CFEver"), "MotoWRv3") ||
813 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
814
815 return &platforms[WR850GV2V3];
816 }
817
818 if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
819 return &platforms[TEW411BRPP];
820 }
821
822 if (startswith(boardnum, "04FN52")) /* SimpleTech SimpleShare */
823 return &platforms[STI_NAS];
824
825 if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
826 return &platforms[DWL3150];
827
828 /* not found */
829 return NULL;
830 }
831
832 static void register_buttons(struct button_t *b)
833 {
834 for (; b->name; b++)
835 platform.button_mask |= b->gpio;
836
837 platform.button_mask &= ~gpiomask;
838
839 gpio_outen(platform.button_mask, 0);
840 gpio_control(platform.button_mask, 0);
841 platform.button_polarity = gpio_in() & platform.button_mask;
842 gpio_intpolarity(platform.button_mask, platform.button_polarity);
843 gpio_intmask(platform.button_mask, platform.button_mask);
844
845 gpio_set_irqenable(1, button_handler);
846 }
847
848 static void unregister_buttons(struct button_t *b)
849 {
850 gpio_intmask(platform.button_mask, 0);
851
852 gpio_set_irqenable(0, button_handler);
853 }
854
855
856 #ifndef LINUX_2_4
857 static void add_msg(struct event_t *event, char *msg, int argv)
858 {
859 char *s;
860
861 if (argv)
862 return;
863
864 s = skb_put(event->skb, strlen(msg) + 1);
865 strcpy(s, msg);
866 }
867
868 static void hotplug_button(struct work_struct *work)
869 {
870 struct event_t *event = container_of(work, struct event_t, wq);
871 char *s;
872
873 if (!uevent_sock)
874 return;
875
876 event->skb = alloc_skb(2048, GFP_KERNEL);
877
878 s = skb_put(event->skb, strlen(event->action) + 2);
879 sprintf(s, "%s@", event->action);
880 fill_event(event);
881
882 NETLINK_CB(event->skb).dst_group = 1;
883 netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
884
885 kfree(event);
886 }
887
888 #else /* !LINUX_2_4 */
889 static inline char *kzalloc(unsigned int size, unsigned int gfp)
890 {
891 char *p;
892
893 p = kmalloc(size, gfp);
894 if (p == NULL)
895 return NULL;
896
897 memset(p, 0, size);
898
899 return p;
900 }
901
902 static void add_msg(struct event_t *event, char *msg, int argv)
903 {
904 if (argv)
905 event->argv[event->anr++] = event->scratch;
906 else
907 event->envp[event->enr++] = event->scratch;
908
909 event->scratch += sprintf(event->scratch, "%s", msg) + 1;
910 }
911
912 static void hotplug_button(struct event_t *event)
913 {
914 char *scratch = kzalloc(256, GFP_KERNEL);
915 event->scratch = scratch;
916
917 add_msg(event, hotplug_path, 1);
918 add_msg(event, "button", 1);
919 fill_event(event);
920 call_usermodehelper (event->argv[0], event->argv, event->envp);
921 kfree(scratch);
922 kfree(event);
923 }
924 #endif /* !LINUX_2_4 */
925
926 static int fill_event (struct event_t *event)
927 {
928 static char buf[128];
929
930 add_msg(event, "HOME=/", 0);
931 add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
932 add_msg(event, "SUBSYSTEM=button", 0);
933 snprintf(buf, 128, "ACTION=%s", event->action);
934 add_msg(event, buf, 0);
935 snprintf(buf, 128, "BUTTON=%s", event->name);
936 add_msg(event, buf, 0);
937 snprintf(buf, 128, "SEEN=%ld", event->seen);
938 add_msg(event, buf, 0);
939 #ifndef LINUX_2_4
940 snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
941 add_msg(event, buf, 0);
942 #endif
943
944 return 0;
945 }
946
947
948 #ifndef LINUX_2_4
949 static irqreturn_t button_handler(int irq, void *dev_id)
950 #else
951 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
952 #endif
953 {
954 struct button_t *b;
955 u32 in, changed;
956
957 in = gpio_in() & platform.button_mask;
958 gpio_intpolarity(platform.button_mask, in);
959 changed = platform.button_polarity ^ in;
960 platform.button_polarity = in;
961
962 changed &= ~gpio_outen(0, 0);
963
964 for (b = platform.buttons; b->name; b++) {
965 struct event_t *event;
966
967 if (!(b->gpio & changed)) continue;
968
969 b->pressed ^= 1;
970
971 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
972 event->seen = (jiffies - b->seen)/HZ;
973 event->name = b->name;
974 event->action = b->pressed ? "pressed" : "released";
975 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
976 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
977 #else
978 INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
979 #endif
980 schedule_work(&event->wq);
981 }
982
983 b->seen = jiffies;
984 }
985 return IRQ_HANDLED;
986 }
987
988 static void register_leds(struct led_t *l)
989 {
990 struct proc_dir_entry *p;
991 u32 mask = 0;
992 u32 oe_mask = 0;
993 u32 val = 0;
994
995 leds = proc_mkdir("led", diag);
996 if (!leds)
997 return;
998
999 for(; l->name; l++) {
1000 if (l->gpio & gpiomask)
1001 continue;
1002
1003 if (l->gpio & GPIO_TYPE_EXTIF) {
1004 l->state = 0;
1005 set_led_extif(l);
1006 } else {
1007 if (l->polarity != INPUT) oe_mask |= l->gpio;
1008 mask |= l->gpio;
1009 val |= (l->polarity == NORMAL)?0:l->gpio;
1010 }
1011
1012 if (l->polarity == INPUT) continue;
1013
1014 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1015 l->proc.type = PROC_LED;
1016 l->proc.ptr = l;
1017 p->data = (void *) &l->proc;
1018 p->proc_fops = &diag_proc_fops;
1019 }
1020 }
1021
1022 gpio_outen(mask, oe_mask);
1023 gpio_control(mask, 0);
1024 gpio_out(mask, val);
1025 }
1026
1027 static void unregister_leds(struct led_t *l)
1028 {
1029 for(; l->name; l++)
1030 remove_proc_entry(l->name, leds);
1031
1032 remove_proc_entry("led", diag);
1033 }
1034
1035 static void set_led_extif(struct led_t *led)
1036 {
1037 gpio_set_extif(led->gpio, led->state);
1038 }
1039
1040 static void led_flash(unsigned long dummy) {
1041 struct led_t *l;
1042 u32 mask = 0;
1043 u8 extif_blink = 0;
1044
1045 for (l = platform.leds; l->name; l++) {
1046 if (l->flash) {
1047 if (l->gpio & GPIO_TYPE_EXTIF) {
1048 extif_blink = 1;
1049 l->state = !l->state;
1050 set_led_extif(l);
1051 } else {
1052 mask |= l->gpio;
1053 }
1054 }
1055 }
1056
1057 mask &= ~gpiomask;
1058 if (mask) {
1059 u32 val = ~gpio_in();
1060
1061 gpio_outen(mask, mask);
1062 gpio_control(mask, 0);
1063 gpio_out(mask, val);
1064 }
1065 if (mask || extif_blink) {
1066 mod_timer(&led_timer, jiffies + FLASH_TIME);
1067 }
1068 }
1069
1070 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1071 {
1072 #ifdef LINUX_2_4
1073 struct inode *inode = file->f_dentry->d_inode;
1074 struct proc_dir_entry *dent = inode->u.generic_ip;
1075 #else
1076 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1077 #endif
1078 char *page;
1079 int len = 0;
1080
1081 if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1082 return -ENOBUFS;
1083
1084 if (dent->data != NULL) {
1085 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1086 switch (handler->type) {
1087 case PROC_LED: {
1088 struct led_t * led = (struct led_t *) handler->ptr;
1089 if (led->flash) {
1090 len = sprintf(page, "f\n");
1091 } else {
1092 if (led->gpio & GPIO_TYPE_EXTIF) {
1093 len = sprintf(page, "%d\n", led->state);
1094 } else {
1095 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1096 u8 p = (led->polarity == NORMAL ? 0 : 1);
1097 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1098 }
1099 }
1100 break;
1101 }
1102 case PROC_MODEL:
1103 len = sprintf(page, "%s\n", platform.name);
1104 break;
1105 case PROC_GPIOMASK:
1106 len = sprintf(page, "0x%04x\n", gpiomask);
1107 break;
1108 }
1109 }
1110 len += 1;
1111
1112 if (*ppos < len) {
1113 len = min_t(int, len - *ppos, count);
1114 if (copy_to_user(buf, (page + *ppos), len)) {
1115 kfree(page);
1116 return -EFAULT;
1117 }
1118 *ppos += len;
1119 } else {
1120 len = 0;
1121 }
1122
1123 kfree(page);
1124 return len;
1125 }
1126
1127
1128 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1129 {
1130 #ifdef LINUX_2_4
1131 struct inode *inode = file->f_dentry->d_inode;
1132 struct proc_dir_entry *dent = inode->u.generic_ip;
1133 #else
1134 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1135 #endif
1136 char *page;
1137 int ret = -EINVAL;
1138
1139 if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1140 return -ENOBUFS;
1141
1142 if (copy_from_user(page, buf, count)) {
1143 kfree(page);
1144 return -EINVAL;
1145 }
1146 page[count] = 0;
1147
1148 if (dent->data != NULL) {
1149 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1150 switch (handler->type) {
1151 case PROC_LED: {
1152 struct led_t *led = (struct led_t *) handler->ptr;
1153 int p = (led->polarity == NORMAL ? 0 : 1);
1154
1155 if (page[0] == 'f') {
1156 led->flash = 1;
1157 led_flash(0);
1158 } else {
1159 led->flash = 0;
1160 if (led->gpio & GPIO_TYPE_EXTIF) {
1161 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1162 set_led_extif(led);
1163 } else {
1164 gpio_outen(led->gpio, led->gpio);
1165 gpio_control(led->gpio, 0);
1166 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1167 }
1168 }
1169 break;
1170 }
1171 case PROC_GPIOMASK:
1172 gpiomask = simple_strtoul(page, NULL, 0);
1173
1174 if (platform.buttons) {
1175 unregister_buttons(platform.buttons);
1176 register_buttons(platform.buttons);
1177 }
1178
1179 if (platform.leds) {
1180 unregister_leds(platform.leds);
1181 register_leds(platform.leds);
1182 }
1183 break;
1184 }
1185 ret = count;
1186 }
1187
1188 kfree(page);
1189 return ret;
1190 }
1191
1192 static int __init diag_init(void)
1193 {
1194 static struct proc_dir_entry *p;
1195 static struct platform_t *detected;
1196
1197 detected = platform_detect();
1198 if (!detected) {
1199 printk(MODULE_NAME ": Router model not detected.\n");
1200 return -ENODEV;
1201 }
1202 memcpy(&platform, detected, sizeof(struct platform_t));
1203
1204 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1205 if (platform.platform_init != NULL) {
1206 platform.platform_init();
1207 }
1208
1209 if (!(diag = proc_mkdir("diag", NULL))) {
1210 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1211 return -EINVAL;
1212 }
1213
1214 if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1215 p->data = (void *) &proc_model;
1216 p->proc_fops = &diag_proc_fops;
1217 }
1218
1219 if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1220 p->data = (void *) &proc_gpiomask;
1221 p->proc_fops = &diag_proc_fops;
1222 }
1223
1224 if (platform.buttons)
1225 register_buttons(platform.buttons);
1226
1227 if (platform.leds)
1228 register_leds(platform.leds);
1229
1230 return 0;
1231 }
1232
1233 static void __exit diag_exit(void)
1234 {
1235 del_timer(&led_timer);
1236
1237 if (platform.buttons)
1238 unregister_buttons(platform.buttons);
1239
1240 if (platform.leds)
1241 unregister_leds(platform.leds);
1242
1243 remove_proc_entry("model", diag);
1244 remove_proc_entry("gpiomask", diag);
1245 remove_proc_entry("diag", NULL);
1246 }
1247
1248 module_init(diag_init);
1249 module_exit(diag_exit);
1250
1251 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1252 MODULE_LICENSE("GPL");