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refresh madwifi patches using upstream style
[openwrt.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 = "power", .gpio = 1 << 0 .polarity = REVERSE }, // Usable when retrofitting D26 (?)
495 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE }, // actual name WWW
496 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
497 },
498 },
499 [SE505V2] = {
500 .name = "Siemens SE505 V2",
501 .buttons = {
502 /* No usable buttons */
503 },
504 .leds = {
505 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
506 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE }, // actual name WWW
507 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
508 },
509 },
510 /* US Robotics */
511 [USR5461] = {
512 .name = "U.S. Robotics USR5461",
513 .buttons = {
514 /* No usable buttons */
515 },
516 .leds = {
517 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
518 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
519 },
520 },
521 /* Dell */
522 [TM2300] = {
523 .name = "Dell TrueMobile 2300",
524 .buttons = {
525 { .name = "reset", .gpio = 1 << 0 },
526 },
527 .leds = {
528 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
529 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
530 },
531 },
532 /* Motorola */
533 [WE800G] = {
534 .name = "Motorola WE800G",
535 .buttons = {
536 { .name = "reset", .gpio = 1 << 0 },
537 },
538 .leds = {
539 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
540 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
541 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
542 },
543 },
544 [WR850GV1] = {
545 .name = "Motorola WR850G V1",
546 .buttons = {
547 { .name = "reset", .gpio = 1 << 0 },
548 },
549 .leds = {
550 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
551 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
552 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
553 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
554 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
555 },
556 },
557 [WR850GV2V3] = {
558 .name = "Motorola WR850G V2/V3",
559 .buttons = {
560 { .name = "reset", .gpio = 1 << 5 },
561 },
562 .leds = {
563 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
564 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
565 { .name = "wan", .gpio = 1 << 6, .polarity = INPUT },
566 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
567 },
568 },
569 [WR850GP] = {
570 .name = "Motorola WR850GP",
571 .buttons = {
572 { .name = "reset", .gpio = 1 << 5 },
573 },
574 .leds = {
575 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
576 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
577 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
578 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
579 },
580 },
581
582 /* Belkin */
583 [BELKIN_UNKNOWN] = {
584 .name = "Belkin (unknown)",
585 /* FIXME: verify & add detection */
586 .buttons = {
587 { .name = "reset", .gpio = 1 << 7 },
588 },
589 .leds = {
590 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
591 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
592 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
593 },
594 },
595 /* Netgear */
596 [WGT634U] = {
597 .name = "Netgear WGT634U",
598 .buttons = {
599 { .name = "reset", .gpio = 1 << 2 },
600 },
601 .leds = {
602 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
603 },
604 },
605 /* Trendware */
606 [TEW411BRPP] = {
607 .name = "Trendware TEW411BRP+",
608 .buttons = {
609 { /* No usable buttons */ },
610 },
611 .leds = {
612 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
613 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
614 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
615 },
616 },
617 /* SimpleTech */
618 [STI_NAS] = {
619 .name = "SimpleTech SimpleShare NAS",
620 .buttons = {
621 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
622 { .name = "power", .gpio = 1 << 0 }, // on back
623 },
624 .leds = {
625 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
626 },
627 .platform_init = bcm4780_init,
628 },
629 /* D-Link */
630 [DIR130] = {
631 .name = "D-Link DIR-130",
632 .buttons = {
633 { .name = "reset", .gpio = 1 << 3},
634 { .name = "reserved", .gpio = 1 << 7},
635 },
636 .leds = {
637 { .name = "diag", .gpio = 1 << 0},
638 { .name = "blue", .gpio = 1 << 6},
639 },
640 },
641 [DIR330] = {
642 .name = "D-Link DIR-330",
643 .buttons = {
644 { .name = "reset", .gpio = 1 << 3},
645 { .name = "reserved", .gpio = 1 << 7},
646 },
647 .leds = {
648 { .name = "diag", .gpio = 1 << 0},
649 { .name = "usb", .gpio = 1 << 4},
650 { .name = "blue", .gpio = 1 << 6},
651 },
652 },
653 [DWL3150] = {
654 .name = "D-Link DWL-3150",
655 .buttons = {
656 { .name = "reset", .gpio = 1 << 7},
657 },
658 .leds = {
659 { .name = "diag", .gpio = 1 << 2},
660 { .name = "status", .gpio = 1 << 1},
661 },
662 },
663 /* Double check */
664 [WL105B] = {
665 .name = "Sitecom WL-105b",
666 .buttons = {
667 { .name = "reset", .gpio = 1 << 10},
668 },
669 .leds = {
670 { .name = "wlan", .gpio = 1 << 4},
671 { .name = "power", .gpio = 1 << 3},
672 },
673 },
674 };
675
676 static struct platform_t __init *platform_detect(void)
677 {
678 char *boardnum, *boardtype, *buf;
679
680 if (strcmp(getvar("nvram_type"), "cfe") == 0)
681 return &platforms[WGT634U];
682
683 /* Look for a model identifier */
684
685 /* Based on "model_name" */
686 if ((buf = nvram_get("model_name"))) {
687 if (!strcmp(buf, "DIR-130"))
688 return &platforms[DIR130];
689 if (!strcmp(buf, "DIR-330"))
690 return &platforms[DIR330];
691 }
692
693 /* Based on "model_no" */
694 if ((buf = nvram_get("model_no"))) {
695 if (startswith(buf,"WL700")) /* WL700* */
696 return &platforms[WL700GE];
697 }
698
699 /* Based on "hardware_version" */
700 if ((buf = nvram_get("hardware_version"))) {
701 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
702 return &platforms[WL500GPV2];
703 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
704 return &platforms[WL520GC];
705 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
706 return &platforms[WL520GU];
707 }
708
709 /* Based on "ModelId" */
710 if ((buf = nvram_get("ModelId"))) {
711 if (!strcmp(buf, "WR850GP"))
712 return &platforms[WR850GP];
713 if (!strcmp(buf,"WX-5565"))
714 return &platforms[TM2300];
715 if (startswith(buf,"WE800G")) /* WE800G* */
716 return &platforms[WE800G];
717 }
718
719 /* Buffalo */
720 if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
721 /* Buffalo hardware, check id for specific hardware matches */
722 if (!strcmp(buf, "29bb0332"))
723 return &platforms[WBR2_G54];
724 if (!strcmp(buf, "29129"))
725 return &platforms[WLA2_G54L];
726 if (!strcmp(buf, "30189"))
727 return &platforms[WHR_HP_G54];
728 if (!strcmp(buf, "32093"))
729 return &platforms[WHR_G125];
730 if (!strcmp(buf, "30182"))
731 return &platforms[WHR_G54S];
732 if (!strcmp(buf, "290441dd"))
733 return &platforms[WHR2_A54G54];
734 if (!strcmp(buf, "31120"))
735 return &platforms[WZR_G300N];
736 if (!strcmp(buf, "30083"))
737 return &platforms[WZR_RS_G54];
738 if (!strcmp(buf, "30103"))
739 return &platforms[WZR_RS_G54HP];
740 }
741
742 /* no easy model number, attempt to guess */
743 boardnum = getvar("boardnum");
744 boardtype = getvar("boardtype");
745
746 if (startswith(getvar("pmon_ver"), "CFE")) {
747 /* CFE based - newer hardware */
748 if (!strcmp(boardnum, "42")) { /* Linksys */
749 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
750 return &platforms[WRT350N];
751
752 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
753 return &platforms[WRT54G3G];
754
755 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
756 return &platforms[WRTSL54GS];
757
758 /* default to WRT54G */
759 return &platforms[WRT54G];
760 }
761
762 if (!strcmp(boardnum, "45")) { /* ASUS */
763 if (!strcmp(boardtype,"0x042f"))
764 return &platforms[WL500GP];
765 else if (!strcmp(boardtype,"0x0472"))
766 return &platforms[WL500W];
767 else
768 return &platforms[WL500GD];
769 }
770
771 if (!strcmp(boardnum, "10496"))
772 return &platforms[USR5461];
773
774 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
775 return &platforms[SE505V2];
776
777 } else { /* PMON based - old stuff */
778 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
779 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
780 return &platforms[WR850GV1];
781 }
782 if (startswith(boardtype, "bcm94710dev")) {
783 if (!strcmp(boardnum, "42"))
784 return &platforms[WRT54GV1];
785 if (simple_strtoul(boardnum, NULL, 0) == 2)
786 return &platforms[WAP54GV1];
787 }
788 if (startswith(getvar("hardware_version"), "WL500-"))
789 return &platforms[WL500G];
790 if (startswith(getvar("hardware_version"), "WL300-")) {
791 /* Either WL-300g or WL-HDD, do more extensive checks */
792 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
793 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
794 return &platforms[WLHDD];
795 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
796 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
797 return &platforms[WL300G];
798 }
799 /* Sitecom WL-105b */
800 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
801 return &platforms[WL105B];
802
803 /* unknown asus stuff, probably bcm4702 */
804 if (startswith(boardnum, "asusX"))
805 return &platforms[ASUS_4702];
806 }
807
808 if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
809 if (startswith(boardtype, "bcm94710ap"))
810 return &platforms[BUFFALO_UNKNOWN_4710];
811 else
812 return &platforms[BUFFALO_UNKNOWN];
813 }
814
815 if (startswith(getvar("CFEver"), "MotoWRv2") ||
816 startswith(getvar("CFEver"), "MotoWRv3") ||
817 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
818
819 return &platforms[WR850GV2V3];
820 }
821
822 if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
823 return &platforms[TEW411BRPP];
824 }
825
826 if (startswith(boardnum, "04FN52")) /* SimpleTech SimpleShare */
827 return &platforms[STI_NAS];
828
829 if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
830 return &platforms[DWL3150];
831
832 /* not found */
833 return NULL;
834 }
835
836 static void register_buttons(struct button_t *b)
837 {
838 for (; b->name; b++)
839 platform.button_mask |= b->gpio;
840
841 platform.button_mask &= ~gpiomask;
842
843 gpio_outen(platform.button_mask, 0);
844 gpio_control(platform.button_mask, 0);
845 platform.button_polarity = gpio_in() & platform.button_mask;
846 gpio_intpolarity(platform.button_mask, platform.button_polarity);
847 gpio_intmask(platform.button_mask, platform.button_mask);
848
849 gpio_set_irqenable(1, button_handler);
850 }
851
852 static void unregister_buttons(struct button_t *b)
853 {
854 gpio_intmask(platform.button_mask, 0);
855
856 gpio_set_irqenable(0, button_handler);
857 }
858
859
860 #ifndef LINUX_2_4
861 static void add_msg(struct event_t *event, char *msg, int argv)
862 {
863 char *s;
864
865 if (argv)
866 return;
867
868 s = skb_put(event->skb, strlen(msg) + 1);
869 strcpy(s, msg);
870 }
871
872 static void hotplug_button(struct work_struct *work)
873 {
874 struct event_t *event = container_of(work, struct event_t, wq);
875 char *s;
876
877 if (!uevent_sock)
878 return;
879
880 event->skb = alloc_skb(2048, GFP_KERNEL);
881
882 s = skb_put(event->skb, strlen(event->action) + 2);
883 sprintf(s, "%s@", event->action);
884 fill_event(event);
885
886 NETLINK_CB(event->skb).dst_group = 1;
887 netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
888
889 kfree(event);
890 }
891
892 #else /* !LINUX_2_4 */
893 static inline char *kzalloc(unsigned int size, unsigned int gfp)
894 {
895 char *p;
896
897 p = kmalloc(size, gfp);
898 if (p == NULL)
899 return NULL;
900
901 memset(p, 0, size);
902
903 return p;
904 }
905
906 static void add_msg(struct event_t *event, char *msg, int argv)
907 {
908 if (argv)
909 event->argv[event->anr++] = event->scratch;
910 else
911 event->envp[event->enr++] = event->scratch;
912
913 event->scratch += sprintf(event->scratch, "%s", msg) + 1;
914 }
915
916 static void hotplug_button(struct event_t *event)
917 {
918 char *scratch = kzalloc(256, GFP_KERNEL);
919 event->scratch = scratch;
920
921 add_msg(event, hotplug_path, 1);
922 add_msg(event, "button", 1);
923 fill_event(event);
924 call_usermodehelper (event->argv[0], event->argv, event->envp);
925 kfree(scratch);
926 kfree(event);
927 }
928 #endif /* !LINUX_2_4 */
929
930 static int fill_event (struct event_t *event)
931 {
932 static char buf[128];
933
934 add_msg(event, "HOME=/", 0);
935 add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
936 add_msg(event, "SUBSYSTEM=button", 0);
937 snprintf(buf, 128, "ACTION=%s", event->action);
938 add_msg(event, buf, 0);
939 snprintf(buf, 128, "BUTTON=%s", event->name);
940 add_msg(event, buf, 0);
941 snprintf(buf, 128, "SEEN=%ld", event->seen);
942 add_msg(event, buf, 0);
943 #ifndef LINUX_2_4
944 snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
945 add_msg(event, buf, 0);
946 #endif
947
948 return 0;
949 }
950
951
952 #ifndef LINUX_2_4
953 static irqreturn_t button_handler(int irq, void *dev_id)
954 #else
955 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
956 #endif
957 {
958 struct button_t *b;
959 u32 in, changed;
960
961 in = gpio_in() & platform.button_mask;
962 gpio_intpolarity(platform.button_mask, in);
963 changed = platform.button_polarity ^ in;
964 platform.button_polarity = in;
965
966 changed &= ~gpio_outen(0, 0);
967
968 for (b = platform.buttons; b->name; b++) {
969 struct event_t *event;
970
971 if (!(b->gpio & changed)) continue;
972
973 b->pressed ^= 1;
974
975 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
976 event->seen = (jiffies - b->seen)/HZ;
977 event->name = b->name;
978 event->action = b->pressed ? "pressed" : "released";
979 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
980 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
981 #else
982 INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
983 #endif
984 schedule_work(&event->wq);
985 }
986
987 b->seen = jiffies;
988 }
989 return IRQ_HANDLED;
990 }
991
992 static void register_leds(struct led_t *l)
993 {
994 struct proc_dir_entry *p;
995 u32 mask = 0;
996 u32 oe_mask = 0;
997 u32 val = 0;
998
999 leds = proc_mkdir("led", diag);
1000 if (!leds)
1001 return;
1002
1003 for(; l->name; l++) {
1004 if (l->gpio & gpiomask)
1005 continue;
1006
1007 if (l->gpio & GPIO_TYPE_EXTIF) {
1008 l->state = 0;
1009 set_led_extif(l);
1010 } else {
1011 if (l->polarity != INPUT) oe_mask |= l->gpio;
1012 mask |= l->gpio;
1013 val |= (l->polarity == NORMAL)?0:l->gpio;
1014 }
1015
1016 if (l->polarity == INPUT) continue;
1017
1018 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1019 l->proc.type = PROC_LED;
1020 l->proc.ptr = l;
1021 p->data = (void *) &l->proc;
1022 p->proc_fops = &diag_proc_fops;
1023 }
1024 }
1025
1026 gpio_outen(mask, oe_mask);
1027 gpio_control(mask, 0);
1028 gpio_out(mask, val);
1029 }
1030
1031 static void unregister_leds(struct led_t *l)
1032 {
1033 for(; l->name; l++)
1034 remove_proc_entry(l->name, leds);
1035
1036 remove_proc_entry("led", diag);
1037 }
1038
1039 static void set_led_extif(struct led_t *led)
1040 {
1041 gpio_set_extif(led->gpio, led->state);
1042 }
1043
1044 static void led_flash(unsigned long dummy) {
1045 struct led_t *l;
1046 u32 mask = 0;
1047 u8 extif_blink = 0;
1048
1049 for (l = platform.leds; l->name; l++) {
1050 if (l->flash) {
1051 if (l->gpio & GPIO_TYPE_EXTIF) {
1052 extif_blink = 1;
1053 l->state = !l->state;
1054 set_led_extif(l);
1055 } else {
1056 mask |= l->gpio;
1057 }
1058 }
1059 }
1060
1061 mask &= ~gpiomask;
1062 if (mask) {
1063 u32 val = ~gpio_in();
1064
1065 gpio_outen(mask, mask);
1066 gpio_control(mask, 0);
1067 gpio_out(mask, val);
1068 }
1069 if (mask || extif_blink) {
1070 mod_timer(&led_timer, jiffies + FLASH_TIME);
1071 }
1072 }
1073
1074 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1075 {
1076 #ifdef LINUX_2_4
1077 struct inode *inode = file->f_dentry->d_inode;
1078 struct proc_dir_entry *dent = inode->u.generic_ip;
1079 #else
1080 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1081 #endif
1082 char *page;
1083 int len = 0;
1084
1085 if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1086 return -ENOBUFS;
1087
1088 if (dent->data != NULL) {
1089 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1090 switch (handler->type) {
1091 case PROC_LED: {
1092 struct led_t * led = (struct led_t *) handler->ptr;
1093 if (led->flash) {
1094 len = sprintf(page, "f\n");
1095 } else {
1096 if (led->gpio & GPIO_TYPE_EXTIF) {
1097 len = sprintf(page, "%d\n", led->state);
1098 } else {
1099 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1100 u8 p = (led->polarity == NORMAL ? 0 : 1);
1101 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1102 }
1103 }
1104 break;
1105 }
1106 case PROC_MODEL:
1107 len = sprintf(page, "%s\n", platform.name);
1108 break;
1109 case PROC_GPIOMASK:
1110 len = sprintf(page, "0x%04x\n", gpiomask);
1111 break;
1112 }
1113 }
1114 len += 1;
1115
1116 if (*ppos < len) {
1117 len = min_t(int, len - *ppos, count);
1118 if (copy_to_user(buf, (page + *ppos), len)) {
1119 kfree(page);
1120 return -EFAULT;
1121 }
1122 *ppos += len;
1123 } else {
1124 len = 0;
1125 }
1126
1127 kfree(page);
1128 return len;
1129 }
1130
1131
1132 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1133 {
1134 #ifdef LINUX_2_4
1135 struct inode *inode = file->f_dentry->d_inode;
1136 struct proc_dir_entry *dent = inode->u.generic_ip;
1137 #else
1138 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1139 #endif
1140 char *page;
1141 int ret = -EINVAL;
1142
1143 if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1144 return -ENOBUFS;
1145
1146 if (copy_from_user(page, buf, count)) {
1147 kfree(page);
1148 return -EINVAL;
1149 }
1150 page[count] = 0;
1151
1152 if (dent->data != NULL) {
1153 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1154 switch (handler->type) {
1155 case PROC_LED: {
1156 struct led_t *led = (struct led_t *) handler->ptr;
1157 int p = (led->polarity == NORMAL ? 0 : 1);
1158
1159 if (page[0] == 'f') {
1160 led->flash = 1;
1161 led_flash(0);
1162 } else {
1163 led->flash = 0;
1164 if (led->gpio & GPIO_TYPE_EXTIF) {
1165 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1166 set_led_extif(led);
1167 } else {
1168 gpio_outen(led->gpio, led->gpio);
1169 gpio_control(led->gpio, 0);
1170 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1171 }
1172 }
1173 break;
1174 }
1175 case PROC_GPIOMASK:
1176 gpiomask = simple_strtoul(page, NULL, 0);
1177
1178 if (platform.buttons) {
1179 unregister_buttons(platform.buttons);
1180 register_buttons(platform.buttons);
1181 }
1182
1183 if (platform.leds) {
1184 unregister_leds(platform.leds);
1185 register_leds(platform.leds);
1186 }
1187 break;
1188 }
1189 ret = count;
1190 }
1191
1192 kfree(page);
1193 return ret;
1194 }
1195
1196 static int __init diag_init(void)
1197 {
1198 static struct proc_dir_entry *p;
1199 static struct platform_t *detected;
1200
1201 detected = platform_detect();
1202 if (!detected) {
1203 printk(MODULE_NAME ": Router model not detected.\n");
1204 return -ENODEV;
1205 }
1206 memcpy(&platform, detected, sizeof(struct platform_t));
1207
1208 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1209 if (platform.platform_init != NULL) {
1210 platform.platform_init();
1211 }
1212
1213 if (!(diag = proc_mkdir("diag", NULL))) {
1214 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1215 return -EINVAL;
1216 }
1217
1218 if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1219 p->data = (void *) &proc_model;
1220 p->proc_fops = &diag_proc_fops;
1221 }
1222
1223 if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1224 p->data = (void *) &proc_gpiomask;
1225 p->proc_fops = &diag_proc_fops;
1226 }
1227
1228 if (platform.buttons)
1229 register_buttons(platform.buttons);
1230
1231 if (platform.leds)
1232 register_leds(platform.leds);
1233
1234 return 0;
1235 }
1236
1237 static void __exit diag_exit(void)
1238 {
1239 del_timer(&led_timer);
1240
1241 if (platform.buttons)
1242 unregister_buttons(platform.buttons);
1243
1244 if (platform.leds)
1245 unregister_leds(platform.leds);
1246
1247 remove_proc_entry("model", diag);
1248 remove_proc_entry("gpiomask", diag);
1249 remove_proc_entry("diag", NULL);
1250 }
1251
1252 module_init(diag_init);
1253 module_exit(diag_exit);
1254
1255 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1256 MODULE_LICENSE("GPL");
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