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rearrange diag's platform detection code to look for known platform strings before...
[openwrt/staging/yousong.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 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 *
21 * $Id$
22 */
23 #include <linux/module.h>
24 #include <linux/pci.h>
25 #include <linux/kmod.h>
26 #include <linux/proc_fs.h>
27 #include <linux/timer.h>
28 #include <linux/version.h>
29 #include <asm/uaccess.h>
30
31 #ifndef LINUX_2_4
32 #include <linux/workqueue.h>
33 #include <linux/skbuff.h>
34 #include <linux/netlink.h>
35 #include <net/sock.h>
36 extern struct sock *uevent_sock;
37 extern u64 uevent_next_seqnum(void);
38 #else
39 #include <linux/tqueue.h>
40 #define INIT_WORK INIT_TQUEUE
41 #define schedule_work schedule_task
42 #define work_struct tq_struct
43 #endif
44
45 #include "gpio.h"
46 #include "diag.h"
47 #define getvar(str) (nvram_get(str)?:"")
48
49 static int fill_event(struct event_t *);
50 static unsigned int gpiomask = 0;
51 module_param(gpiomask, int, 0644);
52
53 enum {
54 /* Linksys */
55 WAP54GV1,
56 WAP54GV3,
57 WRT54GV1,
58 WRT54G,
59 WRTSL54GS,
60 WRT54G3G,
61 WRT350N,
62
63 /* ASUS */
64 WLHDD,
65 WL300G,
66 WL500G,
67 WL500GD,
68 WL500GP,
69 WL500W,
70 ASUS_4702,
71 WL700GE,
72
73 /* Buffalo */
74 WBR2_G54,
75 WHR_G54S,
76 WHR_HP_G54,
77 WHR2_A54G54,
78 WLA2_G54L,
79 WZR_G300N,
80 WZR_RS_G54,
81 WZR_RS_G54HP,
82 BUFFALO_UNKNOWN,
83 BUFFALO_UNKNOWN_4710,
84
85 /* Siemens */
86 SE505V1,
87 SE505V2,
88
89 /* US Robotics */
90 USR5461,
91
92 /* Dell */
93 TM2300,
94
95 /* Motorola */
96 WE800G,
97 WR850GV1,
98 WR850GV2V3,
99 WR850GP,
100
101 /* Belkin */
102 BELKIN_UNKNOWN,
103
104 /* Netgear */
105 WGT634U,
106
107 /* Trendware */
108 TEW411BRPP,
109
110 /* SimpleTech */
111 STI_NAS,
112
113 /* D-Link */
114 DIR130,
115 DIR330,
116 };
117
118 static void __init bcm4780_init(void) {
119 int pin = 1 << 3;
120
121 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
122 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
123 gpio_outen(pin, pin);
124 gpio_control(pin, 0);
125 gpio_out(pin, pin);
126
127 /* Wait 5s, so the HDD can spin up */
128 set_current_state(TASK_INTERRUPTIBLE);
129 schedule_timeout(HZ * 5);
130 }
131
132 static struct platform_t __initdata platforms[] = {
133 /* Linksys */
134 [WAP54GV1] = {
135 .name = "Linksys WAP54G V1",
136 .buttons = {
137 { .name = "reset", .gpio = 1 << 0 },
138 },
139 .leds = {
140 { .name = "diag", .gpio = 1 << 3 },
141 { .name = "wlan", .gpio = 1 << 4 },
142 },
143 },
144 [WAP54GV3] = {
145 .name = "Linksys WAP54G V3",
146 .buttons = {
147 /* FIXME: verify this */
148 { .name = "reset", .gpio = 1 << 7 },
149 { .name = "ses", .gpio = 1 << 0 },
150 },
151 .leds = {
152 /* FIXME: diag? */
153 { .name = "ses", .gpio = 1 << 1 },
154 },
155 },
156 [WRT54GV1] = {
157 .name = "Linksys WRT54G V1.x",
158 .buttons = {
159 { .name = "reset", .gpio = 1 << 6 },
160 },
161 .leds = {
162 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
163 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
164 },
165 },
166 [WRT54G] = {
167 .name = "Linksys WRT54G/GS/GL",
168 .buttons = {
169 { .name = "reset", .gpio = 1 << 6 },
170 { .name = "ses", .gpio = 1 << 4 },
171 },
172 .leds = {
173 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
174 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
175 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
176 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
177 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
178 },
179 },
180 [WRTSL54GS] = {
181 .name = "Linksys WRTSL54GS",
182 .buttons = {
183 { .name = "reset", .gpio = 1 << 6 },
184 { .name = "ses", .gpio = 1 << 4 },
185 },
186 .leds = {
187 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
188 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
189 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
190 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
191 },
192 },
193 [WRT54G3G] = {
194 .name = "Linksys WRT54G3G",
195 .buttons = {
196 { .name = "reset", .gpio = 1 << 6 },
197 { .name = "3g", .gpio = 1 << 4 },
198 },
199 .leds = {
200 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
201 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
202 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
203 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
204 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
205 },
206 },
207 [WRT350N] = {
208 .name = "Linksys WRT350N",
209 .buttons = {
210 { .name = "reset", .gpio = 1 << 6 },
211 { .name = "ses", .gpio = 1 << 8 },
212 },
213 .leds = {
214 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
215 { .name = "ses", .gpio = 1 << 3, .polarity = REVERSE },
216 },
217 },
218 /* Asus */
219 [WLHDD] = {
220 .name = "ASUS WL-HDD",
221 .buttons = {
222 { .name = "reset", .gpio = 1 << 6 },
223 },
224 .leds = {
225 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
226 { .name = "usb", .gpio = 1 << 2, .polarity = NORMAL },
227 },
228 },
229 [WL300G] = {
230 .name = "ASUS WL-300g",
231 .buttons = {
232 { .name = "reset", .gpio = 1 << 6 },
233 },
234 .leds = {
235 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
236 },
237 },
238 [WL500G] = {
239 .name = "ASUS WL-500g",
240 .buttons = {
241 { .name = "reset", .gpio = 1 << 6 },
242 },
243 .leds = {
244 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
245 },
246 },
247 [WL500GD] = {
248 .name = "ASUS WL-500g Deluxe",
249 .buttons = {
250 { .name = "reset", .gpio = 1 << 6 },
251 },
252 .leds = {
253 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
254 },
255 },
256 [WL500GP] = {
257 .name = "ASUS WL-500g Premium",
258 .buttons = {
259 { .name = "reset", .gpio = 1 << 0 },
260 { .name = "ses", .gpio = 1 << 4 },
261 },
262 .leds = {
263 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
264 },
265 },
266 [WL500W] = {
267 .name = "ASUS WL-500W",
268 .buttons = {
269 { .name = "reset", .gpio = 1 << 6 },
270 { .name = "ses", .gpio = 1 << 7 },
271 },
272 .leds = {
273 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
274 },
275 },
276 [ASUS_4702] = {
277 .name = "ASUS (unknown, BCM4702)",
278 .buttons = {
279 { .name = "reset", .gpio = 1 << 6 },
280 },
281 .leds = {
282 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
283 },
284 },
285 [WL700GE] = {
286 .name = "ASUS WL-700gE",
287 .buttons = {
288 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
289 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
290 { .name = "power", .gpio = 1 << 0 }, // on front
291 { .name = "copy", .gpio = 1 << 6 }, // on front
292 },
293 .leds = {
294 #if 0
295 // GPIO that controls power led also enables/disables some essential functions
296 // - power to HDD
297 // - switch leds
298 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
299 #endif
300 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
301 },
302 .platform_init = bcm4780_init,
303 },
304 /* Buffalo */
305 [WHR_G54S] = {
306 .name = "Buffalo WHR-G54S",
307 .buttons = {
308 { .name = "reset", .gpio = 1 << 4 },
309 { .name = "bridge", .gpio = 1 << 5 },
310 { .name = "ses", .gpio = 1 << 0 },
311 },
312 .leds = {
313 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
314 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
315 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
316 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
317 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
318 },
319 },
320 [WBR2_G54] = {
321 .name = "Buffalo WBR2-G54",
322 /* FIXME: verify */
323 .buttons = {
324 { .name = "reset", .gpio = 1 << 7 },
325 },
326 .leds = {
327 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
328 },
329 },
330 [WHR_HP_G54] = {
331 .name = "Buffalo WHR-HP-G54",
332 .buttons = {
333 { .name = "reset", .gpio = 1 << 4 },
334 { .name = "bridge", .gpio = 1 << 5 },
335 { .name = "ses", .gpio = 1 << 0 },
336 },
337 .leds = {
338 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
339 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
340 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
341 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
342 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
343 },
344 },
345 [WHR2_A54G54] = {
346 .name = "Buffalo WHR2-A54G54",
347 .buttons = {
348 { .name = "reset", .gpio = 1 << 4 },
349 },
350 .leds = {
351 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
352 },
353 },
354 [WLA2_G54L] = {
355 .name = "Buffalo WLA2-G54L",
356 /* FIXME: verify */
357 .buttons = {
358 { .name = "reset", .gpio = 1 << 7 },
359 },
360 .leds = {
361 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
362 },
363 },
364 [WZR_G300N] = {
365 .name = "Buffalo WZR-G300N",
366 .buttons = {
367 { .name = "reset", .gpio = 1 << 4 },
368 },
369 .leds = {
370 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
371 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
372 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
373 },
374 },
375 [WZR_RS_G54] = {
376 .name = "Buffalo WZR-RS-G54",
377 .buttons = {
378 { .name = "ses", .gpio = 1 << 0 },
379 { .name = "reset", .gpio = 1 << 4 },
380 },
381 .leds = {
382 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
383 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
384 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
385 },
386 },
387 [WZR_RS_G54HP] = {
388 .name = "Buffalo WZR-RS-G54HP",
389 .buttons = {
390 { .name = "ses", .gpio = 1 << 0 },
391 { .name = "reset", .gpio = 1 << 4 },
392 },
393 .leds = {
394 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
395 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
396 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
397 },
398 },
399 [BUFFALO_UNKNOWN] = {
400 .name = "Buffalo (unknown)",
401 .buttons = {
402 { .name = "reset", .gpio = 1 << 7 },
403 },
404 .leds = {
405 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
406 },
407 },
408 [BUFFALO_UNKNOWN_4710] = {
409 .name = "Buffalo (unknown, BCM4710)",
410 .buttons = {
411 { .name = "reset", .gpio = 1 << 4 },
412 },
413 .leds = {
414 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
415 },
416 },
417 /* Siemens */
418 [SE505V1] = {
419 .name = "Siemens SE505 V1",
420 .buttons = {
421 /* No usable buttons */
422 },
423 .leds = {
424 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE },
425 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
426 },
427 },
428 [SE505V2] = {
429 .name = "Siemens SE505 V2",
430 .buttons = {
431 /* No usable buttons */
432 },
433 .leds = {
434 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
435 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
436 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
437 },
438 },
439 /* US Robotics */
440 [USR5461] = {
441 .name = "U.S. Robotics USR5461",
442 .buttons = {
443 /* No usable buttons */
444 },
445 .leds = {
446 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
447 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
448 },
449 },
450 /* Dell */
451 [TM2300] = {
452 .name = "Dell TrueMobile 2300",
453 .buttons = {
454 { .name = "reset", .gpio = 1 << 0 },
455 },
456 .leds = {
457 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
458 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
459 },
460 },
461 /* Motorola */
462 [WE800G] = {
463 .name = "Motorola WE800G",
464 .buttons = {
465 { .name = "reset", .gpio = 1 << 0 },
466 },
467 .leds = {
468 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
469 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
470 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
471 },
472 },
473 [WR850GV1] = {
474 .name = "Motorola WR850G V1",
475 .buttons = {
476 { .name = "reset", .gpio = 1 << 0 },
477 },
478 .leds = {
479 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
480 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
481 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
482 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
483 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
484 },
485 },
486 [WR850GV2V3] = {
487 .name = "Motorola WR850G V2/V3",
488 .buttons = {
489 { .name = "reset", .gpio = 1 << 5 },
490 },
491 .leds = {
492 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
493 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
494 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
495 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
496 },
497 },
498 [WR850GP] = {
499 .name = "Motorola WR850GP",
500 .buttons = {
501 { .name = "reset", .gpio = 1 << 5 },
502 },
503 .leds = {
504 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
505 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
506 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
507 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
508 },
509 },
510
511 /* Belkin */
512 [BELKIN_UNKNOWN] = {
513 .name = "Belkin (unknown)",
514 /* FIXME: verify & add detection */
515 .buttons = {
516 { .name = "reset", .gpio = 1 << 7 },
517 },
518 .leds = {
519 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
520 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
521 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
522 },
523 },
524 /* Netgear */
525 [WGT634U] = {
526 .name = "Netgear WGT634U",
527 .buttons = {
528 { .name = "reset", .gpio = 1 << 2 },
529 },
530 .leds = {
531 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
532 },
533 },
534 /* Trendware */
535 [TEW411BRPP] = {
536 .name = "Trendware TEW411BRP+",
537 .buttons = {
538 { /* No usable buttons */ },
539 },
540 .leds = {
541 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
542 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
543 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
544 },
545 },
546 /* SimpleTech */
547 [STI_NAS] = {
548 .name = "SimpleTech SimpleShare NAS",
549 .buttons = {
550 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
551 { .name = "power", .gpio = 1 << 0 }, // on back
552 },
553 .leds = {
554 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
555 },
556 .platform_init = bcm4780_init,
557 },
558 /* D-Link */
559 [DIR130] = {
560 .name = "D-Link DIR-130",
561 .buttons = {
562 { .name = "reset", .gpio = 1 << 3},
563 { .name = "reserved", .gpio = 1 << 7},
564 },
565 .leds = {
566 { .name = "diag", .gpio = 1 << 0},
567 { .name = "blue", .gpio = 1 << 6},
568 },
569 },
570 [DIR330] = {
571 .name = "D-Link DIR-330",
572 .buttons = {
573 { .name = "reset", .gpio = 1 << 3},
574 { .name = "reserved", .gpio = 1 << 7},
575 },
576 .leds = {
577 { .name = "diag", .gpio = 1 << 0},
578 { .name = "usb", .gpio = 1 << 4},
579 { .name = "blue", .gpio = 1 << 6},
580 },
581 },
582 };
583
584 static struct platform_t __init *platform_detect(void)
585 {
586 char *boardnum, *boardtype, *buf;
587
588 if (strcmp(getvar("nvram_type"), "cfe") == 0)
589 return &platforms[WGT634U];
590
591 /* Look for a model identifier */
592
593 /* Based on "model_name" */
594 if (buf = nvram_get("model_name")) {
595 if (!strcmp(buf, "DIR-130"))
596 return &platforms[DIR130];
597 if (!strcmp(buf, "DIR-330"))
598 return &platforms[DIR330];
599 }
600
601 /* Based on "model_no" */
602 if (buf = nvram_get("model_no")) {
603 if (!strncmp(buf,"WL700", 5)) /* WL700* */
604 return &platforms[WL700GE];
605 }
606
607 /* Based on "ModelId" */
608 if (buf = nvram_get("ModelId")) {
609 if (!strcmp(buf, "WR850GP"))
610 return &platforms[WR850GP];
611 if (!strcmp(buf,"WX-5565"))
612 return &platforms[TM2300];
613 if (!strncmp(buf,"WE800G", 6)) /* WE800G* */
614 return &platforms[WE800G];
615 }
616
617 /* Buffalo */
618 if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
619 /* Buffalo hardware, check id for specific hardware matches */
620 if (!strcmp(buf, "29bb0332"))
621 return &platforms[WBR2_G54];
622 if (!strcmp(buf, "29129"))
623 return &platforms[WLA2_G54L];
624 if (!strcmp(buf, "30189"))
625 return &platforms[WHR_HP_G54];
626 if (!strcmp(buf, "30182"))
627 return &platforms[WHR_G54S];
628 if (!strcmp(buf, "290441dd"))
629 return &platforms[WHR2_A54G54];
630 if (!strcmp(buf, "31120"))
631 return &platforms[WZR_G300N];
632 if (!strcmp(buf, "30083"))
633 return &platforms[WZR_RS_G54];
634 if (!strcmp(buf, "30103"))
635 return &platforms[WZR_RS_G54HP];
636 }
637
638 /* no easy model number, attempt to guess */
639 boardnum = getvar("boardnum");
640 boardtype = getvar("boardtype");
641
642 if (strncmp(getvar("pmon_ver"), "CFE", 3) == 0) {
643 /* CFE based - newer hardware */
644 if (!strcmp(boardnum, "42")) { /* Linksys */
645 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
646 return &platforms[WRT350N];
647
648 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
649 return &platforms[WRT54G3G];
650
651 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
652 return &platforms[WRTSL54GS];
653
654 /* default to WRT54G */
655 return &platforms[WRT54G];
656 }
657
658 if (!strcmp(boardnum, "45")) { /* ASUS */
659 if (!strcmp(boardtype,"0x042f"))
660 return &platforms[WL500GP];
661 else if (!strcmp(boardtype,"0x0472"))
662 return &platforms[WL500W];
663 else
664 return &platforms[WL500GD];
665 }
666
667 if (!strcmp(boardnum, "10496"))
668 return &platforms[USR5461];
669
670 } else { /* PMON based - old stuff */
671 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
672 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
673 return &platforms[WR850GV1];
674 }
675 if (!strncmp(boardtype, "bcm94710dev", 11)) {
676 if (!strcmp(boardnum, "42"))
677 return &platforms[WRT54GV1];
678 if (simple_strtoul(boardnum, NULL, 0) == 2)
679 return &platforms[WAP54GV1];
680 }
681 if (!strncmp(getvar("hardware_version"), "WL500-", 6))
682 return &platforms[WL500G];
683 if (!strncmp(getvar("hardware_version"), "WL300-", 6)) {
684 /* Either WL-300g or WL-HDD, do more extensive checks */
685 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
686 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
687 return &platforms[WLHDD];
688 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
689 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
690 return &platforms[WL300G];
691 }
692
693 /* unknown asus stuff, probably bcm4702 */
694 if (!strncmp(boardnum, "asusX", 5))
695 return &platforms[ASUS_4702];
696 }
697
698 if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
699 if (!strncmp(boardtype, "bcm94710ap", 10))
700 return &platforms[BUFFALO_UNKNOWN_4710];
701 else
702 return &platforms[BUFFALO_UNKNOWN];
703 }
704
705 if (!strcmp(getvar("CFEver"), "MotoWRv203") ||
706 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
707
708 return &platforms[WR850GV2V3];
709 }
710
711 if (!strcmp(boardnum, "44")) { /* Trendware TEW-411BRP+ */
712 return &platforms[TEW411BRPP];
713 }
714
715 if (!strncmp(boardnum, "04FN52", 6)) /* SimpleTech SimpleShare */
716 return &platforms[STI_NAS];
717
718 /* not found */
719 return NULL;
720 }
721
722 static void register_buttons(struct button_t *b)
723 {
724 for (; b->name; b++)
725 platform.button_mask |= b->gpio;
726
727 platform.button_mask &= ~gpiomask;
728
729 gpio_outen(platform.button_mask, 0);
730 gpio_control(platform.button_mask, 0);
731 platform.button_polarity = gpio_in() & platform.button_mask;
732 gpio_intpolarity(platform.button_mask, platform.button_polarity);
733 gpio_intmask(platform.button_mask, platform.button_mask);
734
735 gpio_set_irqenable(1, button_handler);
736 }
737
738 static void unregister_buttons(struct button_t *b)
739 {
740 gpio_intmask(platform.button_mask, 0);
741
742 gpio_set_irqenable(0, button_handler);
743 }
744
745
746 #ifndef LINUX_2_4
747 static void add_msg(struct event_t *event, char *msg, int argv)
748 {
749 char *s;
750
751 if (argv)
752 return;
753
754 s = skb_put(event->skb, strlen(msg) + 1);
755 strcpy(s, msg);
756 }
757
758 static void hotplug_button(struct work_struct *work)
759 {
760 struct event_t *event = container_of(work, struct event_t, wq);
761 char *s;
762
763 if (!uevent_sock)
764 return;
765
766 event->skb = alloc_skb(2048, GFP_KERNEL);
767
768 s = skb_put(event->skb, strlen(event->action) + 2);
769 sprintf(s, "%s@", event->action);
770 fill_event(event);
771
772 NETLINK_CB(event->skb).dst_group = 1;
773 netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
774
775 kfree(event);
776 }
777
778 #else /* !LINUX_2_4 */
779 static inline char *kzalloc(unsigned int size, unsigned int gfp)
780 {
781 char *p;
782
783 p = kmalloc(size, gfp);
784 if (p == NULL)
785 return NULL;
786
787 memset(p, 0, size);
788
789 return p;
790 }
791
792 static void add_msg(struct event_t *event, char *msg, int argv)
793 {
794 if (argv)
795 event->argv[event->anr++] = event->scratch;
796 else
797 event->envp[event->enr++] = event->scratch;
798
799 event->scratch += sprintf(event->scratch, "%s", msg) + 1;
800 }
801
802 static void hotplug_button(struct event_t *event)
803 {
804 char *scratch = kzalloc(256, GFP_KERNEL);
805 event->scratch = scratch;
806
807 add_msg(event, hotplug_path, 1);
808 add_msg(event, "button", 1);
809 fill_event(event);
810 call_usermodehelper (event->argv[0], event->argv, event->envp);
811 kfree(scratch);
812 kfree(event);
813 }
814 #endif /* !LINUX_2_4 */
815
816 static int fill_event (struct event_t *event)
817 {
818 static char buf[128];
819
820 add_msg(event, "HOME=/", 0);
821 add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
822 add_msg(event, "SUBSYSTEM=button", 0);
823 snprintf(buf, 128, "ACTION=%s", event->action);
824 add_msg(event, buf, 0);
825 snprintf(buf, 128, "BUTTON=%s", event->name);
826 add_msg(event, buf, 0);
827 snprintf(buf, 128, "SEEN=%ld", event->seen);
828 add_msg(event, buf, 0);
829 #ifndef LINUX_2_4
830 snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
831 add_msg(event, buf, 0);
832 #endif
833
834 return 0;
835 }
836
837
838 #ifndef LINUX_2_4
839 static irqreturn_t button_handler(int irq, void *dev_id)
840 #else
841 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
842 #endif
843 {
844 struct button_t *b;
845 u32 in, changed;
846
847 in = gpio_in() & platform.button_mask;
848 gpio_intpolarity(platform.button_mask, in);
849 changed = platform.button_polarity ^ in;
850 platform.button_polarity = in;
851
852 changed &= ~gpio_outen(0, 0);
853
854 for (b = platform.buttons; b->name; b++) {
855 struct event_t *event;
856
857 if (!(b->gpio & changed)) continue;
858
859 b->pressed ^= 1;
860
861 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
862 event->seen = (jiffies - b->seen)/HZ;
863 event->name = b->name;
864 event->action = b->pressed ? "pressed" : "released";
865 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
866 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
867 #else
868 INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
869 #endif
870 schedule_work(&event->wq);
871 }
872
873 b->seen = jiffies;
874 }
875 return IRQ_HANDLED;
876 }
877
878 static void register_leds(struct led_t *l)
879 {
880 struct proc_dir_entry *p;
881 u32 mask = 0;
882 u32 val = 0;
883
884 leds = proc_mkdir("led", diag);
885 if (!leds)
886 return;
887
888 for(; l->name; l++) {
889 if (l->gpio & gpiomask)
890 continue;
891
892 if (l->gpio & GPIO_TYPE_EXTIF) {
893 l->state = 0;
894 set_led_extif(l);
895 } else {
896 mask |= l->gpio;
897 val |= (l->polarity == NORMAL)?0:l->gpio;
898 }
899
900 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
901 l->proc.type = PROC_LED;
902 l->proc.ptr = l;
903 p->data = (void *) &l->proc;
904 p->proc_fops = &diag_proc_fops;
905 }
906 }
907
908 gpio_outen(mask, mask);
909 gpio_control(mask, 0);
910 gpio_out(mask, val);
911 }
912
913 static void unregister_leds(struct led_t *l)
914 {
915 for(; l->name; l++)
916 remove_proc_entry(l->name, leds);
917
918 remove_proc_entry("led", diag);
919 }
920
921 static void set_led_extif(struct led_t *led)
922 {
923 gpio_set_extif(led->gpio, led->state);
924 }
925
926 static void led_flash(unsigned long dummy) {
927 struct led_t *l;
928 u32 mask = 0;
929 u8 extif_blink = 0;
930
931 for (l = platform.leds; l->name; l++) {
932 if (l->flash) {
933 if (l->gpio & GPIO_TYPE_EXTIF) {
934 extif_blink = 1;
935 l->state = !l->state;
936 set_led_extif(l);
937 } else {
938 mask |= l->gpio;
939 }
940 }
941 }
942
943 mask &= ~gpiomask;
944 if (mask) {
945 u32 val = ~gpio_in();
946
947 gpio_outen(mask, mask);
948 gpio_control(mask, 0);
949 gpio_out(mask, val);
950 }
951 if (mask || extif_blink) {
952 mod_timer(&led_timer, jiffies + FLASH_TIME);
953 }
954 }
955
956 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
957 {
958 #ifdef LINUX_2_4
959 struct inode *inode = file->f_dentry->d_inode;
960 struct proc_dir_entry *dent = inode->u.generic_ip;
961 #else
962 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
963 #endif
964 char *page;
965 int len = 0;
966
967 if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
968 return -ENOBUFS;
969
970 if (dent->data != NULL) {
971 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
972 switch (handler->type) {
973 case PROC_LED: {
974 struct led_t * led = (struct led_t *) handler->ptr;
975 if (led->flash) {
976 len = sprintf(page, "f\n");
977 } else {
978 if (led->gpio & GPIO_TYPE_EXTIF) {
979 len = sprintf(page, "%d\n", led->state);
980 } else {
981 u32 in = (gpio_in() & led->gpio ? 1 : 0);
982 u8 p = (led->polarity == NORMAL ? 0 : 1);
983 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
984 }
985 }
986 break;
987 }
988 case PROC_MODEL:
989 len = sprintf(page, "%s\n", platform.name);
990 break;
991 case PROC_GPIOMASK:
992 len = sprintf(page, "0x%04x\n", gpiomask);
993 break;
994 }
995 }
996 len += 1;
997
998 if (*ppos < len) {
999 len = min_t(int, len - *ppos, count);
1000 if (copy_to_user(buf, (page + *ppos), len)) {
1001 kfree(page);
1002 return -EFAULT;
1003 }
1004 *ppos += len;
1005 } else {
1006 len = 0;
1007 }
1008
1009 kfree(page);
1010 return len;
1011 }
1012
1013
1014 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1015 {
1016 #ifdef LINUX_2_4
1017 struct inode *inode = file->f_dentry->d_inode;
1018 struct proc_dir_entry *dent = inode->u.generic_ip;
1019 #else
1020 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1021 #endif
1022 char *page;
1023 int ret = -EINVAL;
1024
1025 if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1026 return -ENOBUFS;
1027
1028 if (copy_from_user(page, buf, count)) {
1029 kfree(page);
1030 return -EINVAL;
1031 }
1032 page[count] = 0;
1033
1034 if (dent->data != NULL) {
1035 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1036 switch (handler->type) {
1037 case PROC_LED: {
1038 struct led_t *led = (struct led_t *) handler->ptr;
1039 int p = (led->polarity == NORMAL ? 0 : 1);
1040
1041 if (page[0] == 'f') {
1042 led->flash = 1;
1043 led_flash(0);
1044 } else {
1045 led->flash = 0;
1046 if (led->gpio & GPIO_TYPE_EXTIF) {
1047 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1048 set_led_extif(led);
1049 } else {
1050 gpio_outen(led->gpio, led->gpio);
1051 gpio_control(led->gpio, 0);
1052 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1053 }
1054 }
1055 break;
1056 }
1057 case PROC_GPIOMASK:
1058 gpiomask = simple_strtoul(page, NULL, 0);
1059
1060 if (platform.buttons) {
1061 unregister_buttons(platform.buttons);
1062 register_buttons(platform.buttons);
1063 }
1064
1065 if (platform.leds) {
1066 unregister_leds(platform.leds);
1067 register_leds(platform.leds);
1068 }
1069 break;
1070 }
1071 ret = count;
1072 }
1073
1074 kfree(page);
1075 return ret;
1076 }
1077
1078 static int __init diag_init(void)
1079 {
1080 static struct proc_dir_entry *p;
1081 static struct platform_t *detected;
1082
1083 detected = platform_detect();
1084 if (!detected) {
1085 printk(MODULE_NAME ": Router model not detected.\n");
1086 return -ENODEV;
1087 }
1088 memcpy(&platform, detected, sizeof(struct platform_t));
1089
1090 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1091 if (platform.platform_init != NULL) {
1092 platform.platform_init();
1093 }
1094
1095 if (!(diag = proc_mkdir("diag", NULL))) {
1096 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1097 return -EINVAL;
1098 }
1099
1100 if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1101 p->data = (void *) &proc_model;
1102 p->proc_fops = &diag_proc_fops;
1103 }
1104
1105 if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1106 p->data = (void *) &proc_gpiomask;
1107 p->proc_fops = &diag_proc_fops;
1108 }
1109
1110 if (platform.buttons)
1111 register_buttons(platform.buttons);
1112
1113 if (platform.leds)
1114 register_leds(platform.leds);
1115
1116 return 0;
1117 }
1118
1119 static void __exit diag_exit(void)
1120 {
1121 del_timer(&led_timer);
1122
1123 if (platform.buttons)
1124 unregister_buttons(platform.buttons);
1125
1126 if (platform.leds)
1127 unregister_leds(platform.leds);
1128
1129 remove_proc_entry("model", diag);
1130 remove_proc_entry("gpiomask", diag);
1131 remove_proc_entry("diag", NULL);
1132 }
1133
1134 module_init(diag_init);
1135 module_exit(diag_exit);
1136
1137 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1138 MODULE_LICENSE("GPL");
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