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