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[openwrt/svn-archive/archive.git] / package / broadcom-diag / src / diag.c
1 /*
2 * diag.c - GPIO interface driver for Broadcom boards
3 *
4 * Copyright (C) 2006 Mike Baker <mbm@openwrt.org>,
5 * 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 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
32 #include <linux/kobject.h>
33 #include <linux/workqueue.h>
34 #define hotplug_path uevent_helper
35 #else
36 #include <linux/tqueue.h>
37 #define INIT_WORK INIT_TQUEUE
38 #define schedule_work schedule_task
39 #define work_struct tq_struct
40 #endif
41
42 #include "gpio.h"
43 #include "diag.h"
44 #define getvar(str) (nvram_get(str)?:"")
45
46 static unsigned int gpiomask = 0;
47 module_param(gpiomask, int, 0644);
48
49 enum {
50 /* Linksys */
51 WAP54GV1,
52 WAP54GV3,
53 WRT54GV1,
54 WRT54G,
55 WRTSL54GS,
56 WRT54G3G,
57 WRT350N,
58
59 /* ASUS */
60 WLHDD,
61 WL300G,
62 WL500G,
63 WL500GD,
64 WL500GP,
65 WL500W,
66 ASUS_4702,
67 WL700GE,
68
69 /* Buffalo */
70 WBR2_G54,
71 WHR_G54S,
72 WHR_HP_G54,
73 WHR2_A54G54,
74 WLA2_G54L,
75 WZR_G300N,
76 WZR_RS_G54,
77 WZR_RS_G54HP,
78 BUFFALO_UNKNOWN,
79 BUFFALO_UNKNOWN_4710,
80
81 /* Siemens */
82 SE505V1,
83 SE505V2,
84
85 /* US Robotics */
86 USR5461,
87
88 /* Dell */
89 TM2300,
90
91 /* Motorola */
92 WE800G,
93 WR850GV1,
94 WR850GV2V3,
95
96 /* Belkin */
97 BELKIN_UNKNOWN,
98
99 /* Netgear */
100 WGT634U,
101
102 /* Trendware */
103 TEW411BRPP,
104
105 /* SimpleTech */
106 STI_NAS,
107
108 /* D-Link */
109 DIR130,
110 DIR330,
111 };
112
113 static void __init bcm4780_init(void) {
114 int pin = 1 << 3;
115
116 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
117 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
118 gpio_outen(pin, pin);
119 gpio_control(pin, 0);
120 gpio_out(pin, pin);
121
122 /* Wait 5s, so the HDD can spin up */
123 set_current_state(TASK_INTERRUPTIBLE);
124 schedule_timeout(HZ * 5);
125 }
126
127 static struct platform_t __initdata platforms[] = {
128 /* Linksys */
129 [WAP54GV1] = {
130 .name = "Linksys WAP54G V1",
131 .buttons = {
132 { .name = "reset", .gpio = 1 << 0 },
133 },
134 .leds = {
135 { .name = "diag", .gpio = 1 << 3 },
136 { .name = "wlan", .gpio = 1 << 4 },
137 },
138 },
139 [WAP54GV3] = {
140 .name = "Linksys WAP54G V3",
141 .buttons = {
142 /* FIXME: verify this */
143 { .name = "reset", .gpio = 1 << 7 },
144 { .name = "ses", .gpio = 1 << 0 },
145 },
146 .leds = {
147 /* FIXME: diag? */
148 { .name = "ses", .gpio = 1 << 1 },
149 },
150 },
151 [WRT54GV1] = {
152 .name = "Linksys WRT54G V1.x",
153 .buttons = {
154 { .name = "reset", .gpio = 1 << 6 },
155 },
156 .leds = {
157 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
158 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
159 },
160 },
161 [WRT54G] = {
162 .name = "Linksys WRT54G/GS/GL",
163 .buttons = {
164 { .name = "reset", .gpio = 1 << 6 },
165 { .name = "ses", .gpio = 1 << 4 },
166 },
167 .leds = {
168 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
169 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
170 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
171 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
172 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
173 },
174 },
175 [WRTSL54GS] = {
176 .name = "Linksys WRTSL54GS",
177 .buttons = {
178 { .name = "reset", .gpio = 1 << 6 },
179 { .name = "ses", .gpio = 1 << 4 },
180 },
181 .leds = {
182 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
183 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
184 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
185 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
186 },
187 },
188 [WRT54G3G] = {
189 .name = "Linksys WRT54G3G",
190 .buttons = {
191 { .name = "reset", .gpio = 1 << 6 },
192 { .name = "3g", .gpio = 1 << 4 },
193 },
194 .leds = {
195 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
196 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
197 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
198 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
199 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
200 },
201 },
202 [WRT350N] = {
203 .name = "Linksys WRT350N",
204 .buttons = {
205 { .name = "reset", .gpio = 1 << 6 },
206 { .name = "ses", .gpio = 1 << 8 },
207 },
208 .leds = {
209 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
210 { .name = "ses", .gpio = 1 << 3, .polarity = REVERSE },
211 },
212 },
213 /* Asus */
214 [WLHDD] = {
215 .name = "ASUS WL-HDD",
216 .buttons = {
217 { .name = "reset", .gpio = 1 << 6 },
218 },
219 .leds = {
220 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
221 { .name = "usb", .gpio = 1 << 2, .polarity = NORMAL },
222 },
223 },
224 [WL300G] = {
225 .name = "ASUS WL-300g",
226 .buttons = {
227 { .name = "reset", .gpio = 1 << 6 },
228 },
229 .leds = {
230 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
231 },
232 },
233 [WL500G] = {
234 .name = "ASUS WL-500g",
235 .buttons = {
236 { .name = "reset", .gpio = 1 << 6 },
237 },
238 .leds = {
239 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
240 },
241 },
242 [WL500GD] = {
243 .name = "ASUS WL-500g Deluxe",
244 .buttons = {
245 { .name = "reset", .gpio = 1 << 6 },
246 },
247 .leds = {
248 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
249 },
250 },
251 [WL500GP] = {
252 .name = "ASUS WL-500g Premium",
253 .buttons = {
254 { .name = "reset", .gpio = 1 << 0 },
255 { .name = "ses", .gpio = 1 << 4 },
256 },
257 .leds = {
258 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
259 },
260 },
261 [WL500W] = {
262 .name = "ASUS WL-500W",
263 .buttons = {
264 { .name = "reset", .gpio = 1 << 6 },
265 { .name = "ses", .gpio = 1 << 7 },
266 },
267 .leds = {
268 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
269 },
270 },
271 [ASUS_4702] = {
272 .name = "ASUS (unknown, BCM4702)",
273 .buttons = {
274 { .name = "reset", .gpio = 1 << 6 },
275 },
276 .leds = {
277 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
278 },
279 },
280 [WL700GE] = {
281 .name = "ASUS WL-700gE",
282 .buttons = {
283 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
284 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
285 { .name = "power", .gpio = 1 << 0 }, // on front
286 { .name = "copy", .gpio = 1 << 6 }, // on front
287 },
288 .leds = {
289 #if 0
290 // GPIO that controls power led also enables/disables some essential functions
291 // - power to HDD
292 // - switch leds
293 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
294 #endif
295 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
296 },
297 .platform_init = bcm4780_init,
298 },
299 /* Buffalo */
300 [WHR_G54S] = {
301 .name = "Buffalo WHR-G54S",
302 .buttons = {
303 { .name = "reset", .gpio = 1 << 4 },
304 { .name = "bridge", .gpio = 1 << 5 },
305 { .name = "ses", .gpio = 1 << 0 },
306 },
307 .leds = {
308 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
309 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
310 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
311 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
312 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
313 },
314 },
315 [WBR2_G54] = {
316 .name = "Buffalo WBR2-G54",
317 /* FIXME: verify */
318 .buttons = {
319 { .name = "reset", .gpio = 1 << 7 },
320 },
321 .leds = {
322 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
323 },
324 },
325 [WHR_HP_G54] = {
326 .name = "Buffalo WHR-HP-G54",
327 .buttons = {
328 { .name = "reset", .gpio = 1 << 4 },
329 { .name = "bridge", .gpio = 1 << 5 },
330 { .name = "ses", .gpio = 1 << 0 },
331 },
332 .leds = {
333 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
334 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
335 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
336 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
337 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
338 },
339 },
340 [WHR2_A54G54] = {
341 .name = "Buffalo WHR2-A54G54",
342 .buttons = {
343 { .name = "reset", .gpio = 1 << 4 },
344 },
345 .leds = {
346 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
347 },
348 },
349 [WLA2_G54L] = {
350 .name = "Buffalo WLA2-G54L",
351 /* FIXME: verify */
352 .buttons = {
353 { .name = "reset", .gpio = 1 << 7 },
354 },
355 .leds = {
356 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
357 },
358 },
359 [WZR_G300N] = {
360 .name = "Buffalo WZR-G300N",
361 .buttons = {
362 { .name = "reset", .gpio = 1 << 4 },
363 },
364 .leds = {
365 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
366 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
367 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
368 },
369 },
370 [WZR_RS_G54] = {
371 .name = "Buffalo WZR-RS-G54",
372 .buttons = {
373 { .name = "ses", .gpio = 1 << 0 },
374 { .name = "reset", .gpio = 1 << 4 },
375 },
376 .leds = {
377 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
378 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
379 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
380 },
381 },
382 [WZR_RS_G54HP] = {
383 .name = "Buffalo WZR-RS-G54HP",
384 .buttons = {
385 { .name = "ses", .gpio = 1 << 0 },
386 { .name = "reset", .gpio = 1 << 4 },
387 },
388 .leds = {
389 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
390 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
391 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
392 },
393 },
394 [BUFFALO_UNKNOWN] = {
395 .name = "Buffalo (unknown)",
396 .buttons = {
397 { .name = "reset", .gpio = 1 << 7 },
398 },
399 .leds = {
400 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
401 },
402 },
403 [BUFFALO_UNKNOWN_4710] = {
404 .name = "Buffalo (unknown, BCM4710)",
405 .buttons = {
406 { .name = "reset", .gpio = 1 << 4 },
407 },
408 .leds = {
409 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
410 },
411 },
412 /* Siemens */
413 [SE505V1] = {
414 .name = "Siemens SE505 V1",
415 .buttons = {
416 /* No usable buttons */
417 },
418 .leds = {
419 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE },
420 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
421 },
422 },
423 [SE505V2] = {
424 .name = "Siemens SE505 V2",
425 .buttons = {
426 /* No usable buttons */
427 },
428 .leds = {
429 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
430 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
431 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
432 },
433 },
434 /* US Robotics */
435 [USR5461] = {
436 .name = "U.S. Robotics USR5461",
437 .buttons = {
438 /* No usable buttons */
439 },
440 .leds = {
441 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
442 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
443 },
444 },
445 /* Dell */
446 [TM2300] = {
447 .name = "Dell TrueMobile 2300",
448 .buttons = {
449 { .name = "reset", .gpio = 1 << 0 },
450 },
451 .leds = {
452 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
453 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
454 },
455 },
456 /* Motorola */
457 [WE800G] = {
458 .name = "Motorola WE800G",
459 .buttons = {
460 { .name = "reset", .gpio = 1 << 0 },
461 },
462 .leds = {
463 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
464 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
465 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
466 },
467 },
468 [WR850GV1] = {
469 .name = "Motorola WR850G V1",
470 .buttons = {
471 { .name = "reset", .gpio = 1 << 0 },
472 },
473 .leds = {
474 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
475 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
476 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
477 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
478 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
479 },
480 },
481 [WR850GV2V3] = {
482 .name = "Motorola WR850G V2/V3",
483 .buttons = {
484 { .name = "reset", .gpio = 1 << 5 },
485 },
486 .leds = {
487 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
488 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
489 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
490 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
491 },
492 },
493 /* Belkin */
494 [BELKIN_UNKNOWN] = {
495 .name = "Belkin (unknown)",
496 /* FIXME: verify & add detection */
497 .buttons = {
498 { .name = "reset", .gpio = 1 << 7 },
499 },
500 .leds = {
501 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
502 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
503 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
504 },
505 },
506 /* Netgear */
507 [WGT634U] = {
508 .name = "Netgear WGT634U",
509 .buttons = {
510 { .name = "reset", .gpio = 1 << 2 },
511 },
512 .leds = {
513 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
514 },
515 },
516 /* Trendware */
517 [TEW411BRPP] = {
518 .name = "Trendware TEW411BRP+",
519 .buttons = {
520 { /* No usable buttons */ },
521 },
522 .leds = {
523 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
524 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
525 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
526 },
527 },
528 /* SimpleTech */
529 [STI_NAS] = {
530 .name = "SimpleTech SimpleShare NAS",
531 .buttons = {
532 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
533 { .name = "power", .gpio = 1 << 0 }, // on back
534 },
535 .leds = {
536 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
537 },
538 .platform_init = bcm4780_init,
539 },
540 /* D-Link */
541 [DIR130] = {
542 .name = "D-Link DIR-130",
543 .buttons = {
544 { .name = "reset", .gpio = 1 << 3},
545 { .name = "reserved", .gpio = 1 << 7},
546 },
547 .leds = {
548 { .name = "diag", .gpio = 1 << 0},
549 { .name = "blue", .gpio = 1 << 6},
550 },
551 },
552 [DIR330] = {
553 .name = "D-Link DIR-330",
554 .buttons = {
555 { .name = "reset", .gpio = 1 << 3},
556 { .name = "reserved", .gpio = 1 << 7},
557 },
558 .leds = {
559 { .name = "diag", .gpio = 1 << 0},
560 { .name = "usb", .gpio = 1 << 4},
561 { .name = "blue", .gpio = 1 << 6},
562 },
563 },
564 };
565
566 static struct platform_t __init *platform_detect(void)
567 {
568 char *boardnum, *boardtype, *buf;
569
570 boardnum = getvar("boardnum");
571 boardtype = getvar("boardtype");
572
573 if (strcmp(getvar("nvram_type"), "cfe") == 0)
574 return &platforms[WGT634U];
575
576 if (strncmp(getvar("model_no"), "WL700",5) == 0)
577 return &platforms[WL700GE];
578
579 if (strncmp(getvar("pmon_ver"), "CFE", 3) == 0) {
580 /* CFE based - newer hardware */
581 if (!strcmp(boardnum, "42")) { /* Linksys */
582 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
583 return &platforms[WRT350N];
584
585 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
586 return &platforms[WRT54G3G];
587
588 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
589 return &platforms[WRTSL54GS];
590
591 /* default to WRT54G */
592 return &platforms[WRT54G];
593 }
594
595 if (!strcmp(boardnum, "45")) { /* ASUS */
596 if (!strcmp(boardtype,"0x042f"))
597 return &platforms[WL500GP];
598 else if (!strcmp(boardtype,"0x0472"))
599 return &platforms[WL500W];
600 else
601 return &platforms[WL500GD];
602 }
603
604 if (!strcmp(boardnum, "10496"))
605 return &platforms[USR5461];
606
607 /* D-Link */
608 if (!strcmp(getvar("model_name"), "DIR-130"))
609 return &platforms[DIR130];
610 if (!strcmp(getvar("model_name"), "DIR-330"))
611 return &platforms[DIR330];
612
613 } else { /* PMON based - old stuff */
614
615 /* Dell TrueMobile 2300 */
616 if (!strcmp(getvar("ModelId"),"WX-5565"))
617 return &platforms[TM2300];
618
619 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
620 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
621 if (!strncmp(getvar("ModelId"),"WE800G", 6))
622 return &platforms[WE800G];
623 else
624 return &platforms[WR850GV1];
625 }
626 if (!strncmp(boardtype, "bcm94710dev", 11)) {
627 if (!strcmp(boardnum, "42"))
628 return &platforms[WRT54GV1];
629 if (simple_strtoul(boardnum, NULL, 0) == 2)
630 return &platforms[WAP54GV1];
631 }
632 if (!strncmp(getvar("hardware_version"), "WL500-", 6))
633 return &platforms[WL500G];
634 if (!strncmp(getvar("hardware_version"), "WL300-", 6)) {
635 /* Either WL-300g or WL-HDD, do more extensive checks */
636 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
637 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
638 return &platforms[WLHDD];
639 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
640 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
641 return &platforms[WL300G];
642 }
643
644 /* unknown asus stuff, probably bcm4702 */
645 if (!strncmp(boardnum, "asusX", 5))
646 return &platforms[ASUS_4702];
647 }
648
649 if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
650 /* Buffalo hardware, check id for specific hardware matches */
651 if (!strcmp(buf, "29bb0332"))
652 return &platforms[WBR2_G54];
653 if (!strcmp(buf, "29129"))
654 return &platforms[WLA2_G54L];
655 if (!strcmp(buf, "30189"))
656 return &platforms[WHR_HP_G54];
657 if (!strcmp(buf, "30182"))
658 return &platforms[WHR_G54S];
659 if (!strcmp(buf, "290441dd"))
660 return &platforms[WHR2_A54G54];
661 if (!strcmp(buf, "31120"))
662 return &platforms[WZR_G300N];
663 if (!strcmp(buf, "30083"))
664 return &platforms[WZR_RS_G54];
665 if (!strcmp(buf, "30103"))
666 return &platforms[WZR_RS_G54HP];
667 }
668
669 if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
670 if (!strncmp(boardtype, "bcm94710ap", 10))
671 return &platforms[BUFFALO_UNKNOWN_4710];
672 else
673 return &platforms[BUFFALO_UNKNOWN];
674 }
675
676 if (!strcmp(getvar("CFEver"), "MotoWRv203") ||
677 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
678
679 return &platforms[WR850GV2V3];
680 }
681
682 if (!strcmp(boardnum, "44")) { /* Trendware TEW-411BRP+ */
683 return &platforms[TEW411BRPP];
684 }
685
686 if (!strncmp(boardnum, "04FN52", 6)) /* SimpleTech SimpleShare */
687 return &platforms[STI_NAS];
688
689 /* not found */
690 return NULL;
691 }
692
693 static void register_buttons(struct button_t *b)
694 {
695 for (; b->name; b++)
696 platform.button_mask |= b->gpio;
697
698 platform.button_mask &= ~gpiomask;
699
700 gpio_outen(platform.button_mask, 0);
701 gpio_control(platform.button_mask, 0);
702 platform.button_polarity = gpio_in() & platform.button_mask;
703 gpio_intpolarity(platform.button_mask, platform.button_polarity);
704 gpio_intmask(platform.button_mask, platform.button_mask);
705
706 gpio_set_irqenable(1, button_handler);
707 }
708
709 static void unregister_buttons(struct button_t *b)
710 {
711 gpio_intmask(platform.button_mask, 0);
712
713 gpio_set_irqenable(0, button_handler);
714 }
715
716 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
717 static void hotplug_button(struct work_struct *work)
718 {
719 struct event_t *event = container_of(work, struct event_t, wq);
720 #else
721 static void hotplug_button(struct event_t *event)
722 {
723 #endif
724 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
725 call_usermodehelper (event->argv[0], event->argv, event->envp, 1);
726 #else
727 call_usermodehelper (event->argv[0], event->argv, event->envp);
728 #endif
729 kfree(event);
730 }
731
732 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
733 {
734 struct button_t *b;
735 u32 in, changed;
736
737 in = gpio_in() & platform.button_mask;
738 gpio_intpolarity(platform.button_mask, in);
739 changed = platform.button_polarity ^ in;
740 platform.button_polarity = in;
741
742 changed &= ~gpio_outen(0, 0);
743
744 for (b = platform.buttons; b->name; b++) {
745 struct event_t *event;
746
747 if (!(b->gpio & changed)) continue;
748
749 b->pressed ^= 1;
750
751 if ((event = (struct event_t *)kmalloc (sizeof(struct event_t), GFP_ATOMIC))) {
752 int i;
753 char *scratch = event->buf;
754
755 i = 0;
756 event->argv[i++] = hotplug_path;
757 event->argv[i++] = "button";
758 event->argv[i] = 0;
759
760 i = 0;
761 event->envp[i++] = "HOME=/";
762 event->envp[i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
763 event->envp[i++] = scratch;
764 scratch += sprintf (scratch, "ACTION=%s", b->pressed?"pressed":"released") + 1;
765 event->envp[i++] = scratch;
766 scratch += sprintf (scratch, "BUTTON=%s", b->name) + 1;
767 event->envp[i++] = scratch;
768 scratch += sprintf (scratch, "SEEN=%ld", (jiffies - b->seen)/HZ) + 1;
769 event->envp[i] = 0;
770
771 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
772 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
773 #else
774 INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
775 #endif
776 schedule_work(&event->wq);
777 }
778
779 b->seen = jiffies;
780 }
781 return IRQ_HANDLED;
782 }
783
784 static void register_leds(struct led_t *l)
785 {
786 struct proc_dir_entry *p;
787 u32 mask = 0;
788 u32 val = 0;
789
790 leds = proc_mkdir("led", diag);
791 if (!leds)
792 return;
793
794 for(; l->name; l++) {
795 if (l->gpio & gpiomask)
796 continue;
797
798 if (l->gpio & GPIO_TYPE_EXTIF) {
799 l->state = 0;
800 set_led_extif(l);
801 } else {
802 mask |= l->gpio;
803 val |= (l->polarity == NORMAL)?0:l->gpio;
804 }
805
806 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
807 l->proc.type = PROC_LED;
808 l->proc.ptr = l;
809 p->data = (void *) &l->proc;
810 p->proc_fops = &diag_proc_fops;
811 }
812 }
813
814 gpio_outen(mask, mask);
815 gpio_control(mask, 0);
816 gpio_out(mask, val);
817 }
818
819 static void unregister_leds(struct led_t *l)
820 {
821 for(; l->name; l++)
822 remove_proc_entry(l->name, leds);
823
824 remove_proc_entry("led", diag);
825 }
826
827 static void set_led_extif(struct led_t *led)
828 {
829 gpio_set_extif(led->gpio, led->state);
830 }
831
832 static void led_flash(unsigned long dummy) {
833 struct led_t *l;
834 u32 mask = 0;
835 u8 extif_blink = 0;
836
837 for (l = platform.leds; l->name; l++) {
838 if (l->flash) {
839 if (l->gpio & GPIO_TYPE_EXTIF) {
840 extif_blink = 1;
841 l->state = !l->state;
842 set_led_extif(l);
843 } else {
844 mask |= l->gpio;
845 }
846 }
847 }
848
849 mask &= ~gpiomask;
850 if (mask) {
851 u32 val = ~gpio_in();
852
853 gpio_outen(mask, mask);
854 gpio_control(mask, 0);
855 gpio_out(mask, val);
856 }
857 if (mask || extif_blink) {
858 mod_timer(&led_timer, jiffies + FLASH_TIME);
859 }
860 }
861
862 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
863 {
864 #ifdef LINUX_2_4
865 struct inode *inode = file->f_dentry->d_inode;
866 struct proc_dir_entry *dent = inode->u.generic_ip;
867 #else
868 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
869 #endif
870 char *page;
871 int len = 0;
872
873 if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
874 return -ENOBUFS;
875
876 if (dent->data != NULL) {
877 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
878 switch (handler->type) {
879 case PROC_LED: {
880 struct led_t * led = (struct led_t *) handler->ptr;
881 if (led->flash) {
882 len = sprintf(page, "f\n");
883 } else {
884 if (led->gpio & GPIO_TYPE_EXTIF) {
885 len = sprintf(page, "%d\n", led->state);
886 } else {
887 u32 in = (gpio_in() & led->gpio ? 1 : 0);
888 u8 p = (led->polarity == NORMAL ? 0 : 1);
889 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
890 }
891 }
892 break;
893 }
894 case PROC_MODEL:
895 len = sprintf(page, "%s\n", platform.name);
896 break;
897 case PROC_GPIOMASK:
898 len = sprintf(page, "0x%04x\n", gpiomask);
899 break;
900 }
901 }
902 len += 1;
903
904 if (*ppos < len) {
905 len = min_t(int, len - *ppos, count);
906 if (copy_to_user(buf, (page + *ppos), len)) {
907 kfree(page);
908 return -EFAULT;
909 }
910 *ppos += len;
911 } else {
912 len = 0;
913 }
914
915 kfree(page);
916 return len;
917 }
918
919
920 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
921 {
922 #ifdef LINUX_2_4
923 struct inode *inode = file->f_dentry->d_inode;
924 struct proc_dir_entry *dent = inode->u.generic_ip;
925 #else
926 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
927 #endif
928 char *page;
929 int ret = -EINVAL;
930
931 if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
932 return -ENOBUFS;
933
934 if (copy_from_user(page, buf, count)) {
935 kfree(page);
936 return -EINVAL;
937 }
938 page[count] = 0;
939
940 if (dent->data != NULL) {
941 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
942 switch (handler->type) {
943 case PROC_LED: {
944 struct led_t *led = (struct led_t *) handler->ptr;
945 int p = (led->polarity == NORMAL ? 0 : 1);
946
947 if (page[0] == 'f') {
948 led->flash = 1;
949 led_flash(0);
950 } else {
951 led->flash = 0;
952 if (led->gpio & GPIO_TYPE_EXTIF) {
953 led->state = p ^ ((page[0] == '1') ? 1 : 0);
954 set_led_extif(led);
955 } else {
956 gpio_outen(led->gpio, led->gpio);
957 gpio_control(led->gpio, 0);
958 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
959 }
960 }
961 break;
962 }
963 case PROC_GPIOMASK:
964 gpiomask = simple_strtoul(page, NULL, 0);
965
966 if (platform.buttons) {
967 unregister_buttons(platform.buttons);
968 register_buttons(platform.buttons);
969 }
970
971 if (platform.leds) {
972 unregister_leds(platform.leds);
973 register_leds(platform.leds);
974 }
975 break;
976 }
977 ret = count;
978 }
979
980 kfree(page);
981 return ret;
982 }
983
984 static int __init diag_init(void)
985 {
986 static struct proc_dir_entry *p;
987 static struct platform_t *detected;
988
989 detected = platform_detect();
990 if (!detected) {
991 printk(MODULE_NAME ": Router model not detected.\n");
992 return -ENODEV;
993 }
994 memcpy(&platform, detected, sizeof(struct platform_t));
995
996 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
997 if (platform.platform_init != NULL) {
998 platform.platform_init();
999 }
1000
1001 if (!(diag = proc_mkdir("diag", NULL))) {
1002 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1003 return -EINVAL;
1004 }
1005
1006 if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1007 p->data = (void *) &proc_model;
1008 p->proc_fops = &diag_proc_fops;
1009 }
1010
1011 if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1012 p->data = (void *) &proc_gpiomask;
1013 p->proc_fops = &diag_proc_fops;
1014 }
1015
1016 if (platform.buttons)
1017 register_buttons(platform.buttons);
1018
1019 if (platform.leds)
1020 register_leds(platform.leds);
1021
1022 return 0;
1023 }
1024
1025 static void __exit diag_exit(void)
1026 {
1027
1028 del_timer(&led_timer);
1029
1030 if (platform.buttons)
1031 unregister_buttons(platform.buttons);
1032
1033 if (platform.leds)
1034 unregister_leds(platform.leds);
1035
1036 remove_proc_entry("model", diag);
1037 remove_proc_entry("gpiomask", diag);
1038 remove_proc_entry("diag", NULL);
1039 }
1040
1041 module_init(diag_init);
1042 module_exit(diag_exit);
1043
1044 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1045 MODULE_LICENSE("GPL");
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