projects / openwrt.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
Add updated support for buffalo routers (#1874)
[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 * 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
109 static void __init bcm4780_init(void) {
110 int pin = 1 << 3;
111
112 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
113 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
114 gpio_outen(pin, pin);
115 gpio_control(pin, 0);
116 gpio_out(pin, pin);
117
118 /* Wait 5s, so the HDD can spin up */
119 set_current_state(TASK_INTERRUPTIBLE);
120 schedule_timeout(HZ * 5);
121 }
122
123 static struct platform_t __initdata platforms[] = {
124 /* Linksys */
125 [WAP54GV1] = {
126 .name = "Linksys WAP54G V1",
127 .buttons = {
128 { .name = "reset", .gpio = 1 << 0 },
129 },
130 .leds = {
131 { .name = "diag", .gpio = 1 << 3 },
132 { .name = "wlan", .gpio = 1 << 4 },
133 },
134 },
135 [WAP54GV3] = {
136 .name = "Linksys WAP54G V3",
137 .buttons = {
138 /* FIXME: verify this */
139 { .name = "reset", .gpio = 1 << 7 },
140 { .name = "ses", .gpio = 1 << 0 },
141 },
142 .leds = {
143 /* FIXME: diag? */
144 { .name = "ses", .gpio = 1 << 1 },
145 },
146 },
147 [WRT54GV1] = {
148 .name = "Linksys WRT54G V1.x",
149 .buttons = {
150 { .name = "reset", .gpio = 1 << 6 },
151 },
152 .leds = {
153 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
154 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
155 },
156 },
157 [WRT54G] = {
158 .name = "Linksys WRT54G/GS/GL",
159 .buttons = {
160 { .name = "reset", .gpio = 1 << 6 },
161 { .name = "ses", .gpio = 1 << 4 },
162 },
163 .leds = {
164 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
165 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
166 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
167 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
168 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
169 },
170 },
171 [WRTSL54GS] = {
172 .name = "Linksys WRTSL54GS",
173 .buttons = {
174 { .name = "reset", .gpio = 1 << 6 },
175 { .name = "ses", .gpio = 1 << 4 },
176 },
177 .leds = {
178 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
179 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
180 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
181 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
182 },
183 },
184 [WRT54G3G] = {
185 .name = "Linksys WRT54G3G",
186 .buttons = {
187 { .name = "reset", .gpio = 1 << 6 },
188 { .name = "3g", .gpio = 1 << 4 },
189 },
190 .leds = {
191 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
192 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
193 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
194 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
195 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
196 },
197 },
198 [WRT350N] = {
199 .name = "Linksys WRT350N",
200 .buttons = {
201 { .name = "reset", .gpio = 1 << 6 },
202 { .name = "ses", .gpio = 1 << 8 },
203 },
204 .leds = {
205 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
206 { .name = "ses", .gpio = 1 << 3, .polarity = REVERSE },
207 },
208 },
209 /* Asus */
210 [WLHDD] = {
211 .name = "ASUS WL-HDD",
212 .buttons = {
213 { .name = "reset", .gpio = 1 << 6 },
214 },
215 .leds = {
216 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
217 { .name = "usb", .gpio = 1 << 2, .polarity = NORMAL },
218 },
219 },
220 [WL300G] = {
221 .name = "ASUS WL-300g",
222 .buttons = {
223 { .name = "reset", .gpio = 1 << 6 },
224 },
225 .leds = {
226 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
227 },
228 },
229 [WL500G] = {
230 .name = "ASUS WL-500g",
231 .buttons = {
232 { .name = "reset", .gpio = 1 << 6 },
233 },
234 .leds = {
235 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
236 },
237 },
238 [WL500GD] = {
239 .name = "ASUS WL-500g Deluxe",
240 .buttons = {
241 { .name = "reset", .gpio = 1 << 6 },
242 },
243 .leds = {
244 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
245 },
246 },
247 [WL500GP] = {
248 .name = "ASUS WL-500g Premium",
249 .buttons = {
250 { .name = "reset", .gpio = 1 << 0 },
251 { .name = "ses", .gpio = 1 << 4 },
252 },
253 .leds = {
254 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
255 },
256 },
257 [WL500W] = {
258 .name = "ASUS WL-500W",
259 .buttons = {
260 { .name = "reset", .gpio = 1 << 6 },
261 { .name = "ses", .gpio = 1 << 7 },
262 },
263 .leds = {
264 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
265 },
266 },
267 [ASUS_4702] = {
268 .name = "ASUS (unknown, BCM4702)",
269 .buttons = {
270 { .name = "reset", .gpio = 1 << 6 },
271 },
272 .leds = {
273 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
274 },
275 },
276 [WL700GE] = {
277 .name = "ASUS WL-700gE",
278 .buttons = {
279 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
280 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
281 { .name = "power", .gpio = 1 << 0 }, // on front
282 { .name = "copy", .gpio = 1 << 6 }, // on front
283 },
284 .leds = {
285 #if 0
286 // GPIO that controls power led also enables/disables some essential functions
287 // - power to HDD
288 // - switch leds
289 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
290 #endif
291 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
292 },
293 .platform_init = bcm4780_init,
294 },
295 /* Buffalo */
296 [WHR_G54S] = {
297 .name = "Buffalo WHR-G54S",
298 .buttons = {
299 { .name = "reset", .gpio = 1 << 4 },
300 { .name = "bridge", .gpio = 1 << 5 },
301 { .name = "ses", .gpio = 1 << 0 },
302 },
303 .leds = {
304 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
305 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
306 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
307 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
308 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
309 },
310 },
311 [WBR2_G54] = {
312 .name = "Buffalo WBR2-G54",
313 /* FIXME: verify */
314 .buttons = {
315 { .name = "reset", .gpio = 1 << 7 },
316 },
317 .leds = {
318 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
319 },
320 },
321 [WHR_HP_G54] = {
322 .name = "Buffalo WHR-HP-G54",
323 .buttons = {
324 { .name = "reset", .gpio = 1 << 4 },
325 { .name = "bridge", .gpio = 1 << 5 },
326 { .name = "ses", .gpio = 1 << 0 },
327 },
328 .leds = {
329 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
330 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
331 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
332 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
333 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
334 },
335 },
336 [WHR2_A54G54] = {
337 .name = "Buffalo WHR2-A54G54",
338 .buttons = {
339 { .name = "reset", .gpio = 1 << 4 },
340 },
341 .leds = {
342 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
343 },
344 },
345 [WLA2_G54L] = {
346 .name = "Buffalo WLA2-G54L",
347 /* FIXME: verify */
348 .buttons = {
349 { .name = "reset", .gpio = 1 << 7 },
350 },
351 .leds = {
352 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
353 },
354 },
355 [WZR_G300N] = {
356 .name = "Buffalo WZR-G300N",
357 .buttons = {
358 { .name = "reset", .gpio = 1 << 4 },
359 },
360 .leds = {
361 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
362 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
363 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
364 },
365 },
366 [WZR_RS_G54] = {
367 .name = "Buffalo WZR-RS-G54",
368 .buttons = {
369 { .name = "ses", .gpio = 1 << 0 },
370 { .name = "reset", .gpio = 1 << 4 },
371 },
372 .leds = {
373 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
374 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
375 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
376 },
377 },
378 [WZR_RS_G54HP] = {
379 .name = "Buffalo WZR-RS-G54HP",
380 .buttons = {
381 { .name = "ses", .gpio = 1 << 0 },
382 { .name = "reset", .gpio = 1 << 4 },
383 },
384 .leds = {
385 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
386 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
387 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
388 },
389 },
390 [BUFFALO_UNKNOWN] = {
391 .name = "Buffalo (unknown)",
392 .buttons = {
393 { .name = "reset", .gpio = 1 << 7 },
394 },
395 .leds = {
396 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
397 },
398 },
399 [BUFFALO_UNKNOWN_4710] = {
400 .name = "Buffalo (unknown, BCM4710)",
401 .buttons = {
402 { .name = "reset", .gpio = 1 << 4 },
403 },
404 .leds = {
405 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
406 },
407 },
408 /* Siemens */
409 [SE505V1] = {
410 .name = "Siemens SE505 V1",
411 .buttons = {
412 /* No usable buttons */
413 },
414 .leds = {
415 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE },
416 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
417 },
418 },
419 [SE505V2] = {
420 .name = "Siemens SE505 V2",
421 .buttons = {
422 /* No usable buttons */
423 },
424 .leds = {
425 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
426 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
427 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
428 },
429 },
430 /* US Robotics */
431 [USR5461] = {
432 .name = "U.S. Robotics USR5461",
433 .buttons = {
434 /* No usable buttons */
435 },
436 .leds = {
437 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
438 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
439 },
440 },
441 /* Dell */
442 [TM2300] = {
443 .name = "Dell TrueMobile 2300",
444 .buttons = {
445 { .name = "reset", .gpio = 1 << 0 },
446 },
447 .leds = {
448 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
449 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
450 },
451 },
452 /* Motorola */
453 [WE800G] = {
454 .name = "Motorola WE800G",
455 .buttons = {
456 { .name = "reset", .gpio = 1 << 0 },
457 },
458 .leds = {
459 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
460 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
461 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
462 },
463 },
464 [WR850GV1] = {
465 .name = "Motorola WR850G V1",
466 .buttons = {
467 { .name = "reset", .gpio = 1 << 0 },
468 },
469 .leds = {
470 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
471 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
472 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
473 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
474 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
475 },
476 },
477 [WR850GV2V3] = {
478 .name = "Motorola WR850G V2/V3",
479 .buttons = {
480 { .name = "reset", .gpio = 1 << 5 },
481 },
482 .leds = {
483 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
484 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
485 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
486 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
487 },
488 },
489 /* Belkin */
490 [BELKIN_UNKNOWN] = {
491 .name = "Belkin (unknown)",
492 /* FIXME: verify & add detection */
493 .buttons = {
494 { .name = "reset", .gpio = 1 << 7 },
495 },
496 .leds = {
497 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
498 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
499 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
500 },
501 },
502 /* Netgear */
503 [WGT634U] = {
504 .name = "Netgear WGT634U",
505 .buttons = {
506 { .name = "reset", .gpio = 1 << 2 },
507 },
508 .leds = {
509 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
510 },
511 },
512 /* Trendware */
513 [TEW411BRPP] = {
514 .name = "Trendware TEW411BRP+",
515 .buttons = {
516 { /* No usable buttons */ },
517 },
518 .leds = {
519 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
520 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
521 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
522 },
523 },
524 /* SimpleTech */
525 [STI_NAS] = {
526 .name = "SimpleTech SimpleShare NAS",
527 .buttons = {
528 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
529 { .name = "power", .gpio = 1 << 0 }, // on back
530 },
531 .leds = {
532 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
533 },
534 .platform_init = bcm4780_init,
535 },
536 };
537
538 static struct platform_t __init *platform_detect(void)
539 {
540 char *boardnum, *boardtype, *buf;
541
542 boardnum = getvar("boardnum");
543 boardtype = getvar("boardtype");
544
545 if (strcmp(getvar("nvram_type"), "cfe") == 0)
546 return &platforms[WGT634U];
547
548 if (strncmp(getvar("model_no"), "WL700",5) == 0)
549 return &platforms[WL700GE];
550
551 if (strncmp(getvar("pmon_ver"), "CFE", 3) == 0) {
552 /* CFE based - newer hardware */
553 if (!strcmp(boardnum, "42")) { /* Linksys */
554 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
555 return &platforms[WRT350N];
556
557 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
558 return &platforms[WRT54G3G];
559
560 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
561 return &platforms[WRTSL54GS];
562
563 /* default to WRT54G */
564 return &platforms[WRT54G];
565 }
566
567 if (!strcmp(boardnum, "45")) { /* ASUS */
568 if (!strcmp(boardtype,"0x042f"))
569 return &platforms[WL500GP];
570 else if (!strcmp(boardtype,"0x0472"))
571 return &platforms[WL500W];
572 else
573 return &platforms[WL500GD];
574 }
575
576 if (!strcmp(boardnum, "10496"))
577 return &platforms[USR5461];
578 } else { /* PMON based - old stuff */
579
580 /* Dell TrueMobile 2300 */
581 if (!strcmp(getvar("ModelId"),"WX-5565"))
582 return &platforms[TM2300];
583
584 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
585 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
586 if (!strncmp(getvar("ModelId"),"WE800G", 6))
587 return &platforms[WE800G];
588 else
589 return &platforms[WR850GV1];
590 }
591 if (!strncmp(boardtype, "bcm94710dev", 11)) {
592 if (!strcmp(boardnum, "42"))
593 return &platforms[WRT54GV1];
594 if (simple_strtoul(boardnum, NULL, 0) == 2)
595 return &platforms[WAP54GV1];
596 }
597 if (!strncmp(getvar("hardware_version"), "WL500-", 6))
598 return &platforms[WL500G];
599 if (!strncmp(getvar("hardware_version"), "WL300-", 6)) {
600 /* Either WL-300g or WL-HDD, do more extensive checks */
601 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
602 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
603 return &platforms[WLHDD];
604 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
605 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
606 return &platforms[WL300G];
607 }
608
609 /* unknown asus stuff, probably bcm4702 */
610 if (!strncmp(boardnum, "asusX", 5))
611 return &platforms[ASUS_4702];
612 }
613
614 if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
615 /* Buffalo hardware, check id for specific hardware matches */
616 if (!strcmp(buf, "29bb0332"))
617 return &platforms[WBR2_G54];
618 if (!strcmp(buf, "29129"))
619 return &platforms[WLA2_G54L];
620 if (!strcmp(buf, "30189"))
621 return &platforms[WHR_HP_G54];
622 if (!strcmp(buf, "30182"))
623 return &platforms[WHR_G54S];
624 if (!strcmp(buf, "290441dd"))
625 return &platforms[WHR2_A54G54];
626 if (!strcmp(buf, "31120"))
627 return &platforms[WZR_G300N];
628 if (!strcmp(buf, "30083"))
629 return &platforms[WZR_RS_G54];
630 if (!strcmp(buf, "30103"))
631 return &platforms[WZR_RS_G54HP];
632 }
633
634 if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
635 if (!strncmp(boardtype, "bcm94710ap", 10))
636 return &platforms[BUFFALO_UNKNOWN_4710];
637 else
638 return &platforms[BUFFALO_UNKNOWN];
639 }
640
641 if (!strcmp(getvar("CFEver"), "MotoWRv203") ||
642 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
643
644 return &platforms[WR850GV2V3];
645 }
646
647 if (!strcmp(boardnum, "44")) { /* Trendware TEW-411BRP+ */
648 return &platforms[TEW411BRPP];
649 }
650
651 if (!strncmp(boardnum, "04FN52", 6)) /* SimpleTech SimpleShare */
652 return &platforms[STI_NAS];
653
654 /* not found */
655 return NULL;
656 }
657
658 static void register_buttons(struct button_t *b)
659 {
660 for (; b->name; b++)
661 platform.button_mask |= b->gpio;
662
663 platform.button_mask &= ~gpiomask;
664
665 gpio_outen(platform.button_mask, 0);
666 gpio_control(platform.button_mask, 0);
667 platform.button_polarity = gpio_in() & platform.button_mask;
668 gpio_intpolarity(platform.button_mask, platform.button_polarity);
669 gpio_intmask(platform.button_mask, platform.button_mask);
670
671 gpio_set_irqenable(1, button_handler);
672 }
673
674 static void unregister_buttons(struct button_t *b)
675 {
676 gpio_intmask(platform.button_mask, 0);
677
678 gpio_set_irqenable(0, button_handler);
679 }
680
681 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
682 static void hotplug_button(struct work_struct *work)
683 {
684 struct event_t *event = container_of(work, struct event_t, wq);
685 #else
686 static void hotplug_button(struct event_t *event)
687 {
688 #endif
689 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
690 call_usermodehelper (event->argv[0], event->argv, event->envp, 1);
691 #else
692 call_usermodehelper (event->argv[0], event->argv, event->envp);
693 #endif
694 kfree(event);
695 }
696
697 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
698 {
699 struct button_t *b;
700 u32 in, changed;
701
702 in = gpio_in() & platform.button_mask;
703 gpio_intpolarity(platform.button_mask, in);
704 changed = platform.button_polarity ^ in;
705 platform.button_polarity = in;
706
707 changed &= ~gpio_outen(0, 0);
708
709 for (b = platform.buttons; b->name; b++) {
710 struct event_t *event;
711
712 if (!(b->gpio & changed)) continue;
713
714 b->pressed ^= 1;
715
716 if ((event = (struct event_t *)kmalloc (sizeof(struct event_t), GFP_ATOMIC))) {
717 int i;
718 char *scratch = event->buf;
719
720 i = 0;
721 event->argv[i++] = hotplug_path;
722 event->argv[i++] = "button";
723 event->argv[i] = 0;
724
725 i = 0;
726 event->envp[i++] = "HOME=/";
727 event->envp[i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
728 event->envp[i++] = scratch;
729 scratch += sprintf (scratch, "ACTION=%s", b->pressed?"pressed":"released") + 1;
730 event->envp[i++] = scratch;
731 scratch += sprintf (scratch, "BUTTON=%s", b->name) + 1;
732 event->envp[i++] = scratch;
733 scratch += sprintf (scratch, "SEEN=%ld", (jiffies - b->seen)/HZ) + 1;
734 event->envp[i] = 0;
735
736 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
737 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
738 #else
739 INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
740 #endif
741 schedule_work(&event->wq);
742 }
743
744 b->seen = jiffies;
745 }
746 return IRQ_HANDLED;
747 }
748
749 static void register_leds(struct led_t *l)
750 {
751 struct proc_dir_entry *p;
752 u32 mask = 0;
753 u32 val = 0;
754
755 leds = proc_mkdir("led", diag);
756 if (!leds)
757 return;
758
759 for(; l->name; l++) {
760 if (l->gpio & gpiomask)
761 continue;
762
763 if (l->gpio & GPIO_TYPE_EXTIF) {
764 l->state = 0;
765 set_led_extif(l);
766 } else {
767 mask |= l->gpio;
768 val |= (l->polarity == NORMAL)?0:l->gpio;
769 }
770
771 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
772 l->proc.type = PROC_LED;
773 l->proc.ptr = l;
774 p->data = (void *) &l->proc;
775 p->proc_fops = &diag_proc_fops;
776 }
777 }
778
779 gpio_outen(mask, mask);
780 gpio_control(mask, 0);
781 gpio_out(mask, val);
782 }
783
784 static void unregister_leds(struct led_t *l)
785 {
786 for(; l->name; l++)
787 remove_proc_entry(l->name, leds);
788
789 remove_proc_entry("led", diag);
790 }
791
792 static void set_led_extif(struct led_t *led)
793 {
794 gpio_set_extif(led->gpio, led->state);
795 }
796
797 static void led_flash(unsigned long dummy) {
798 struct led_t *l;
799 u32 mask = 0;
800 u8 extif_blink = 0;
801
802 for (l = platform.leds; l->name; l++) {
803 if (l->flash) {
804 if (l->gpio & GPIO_TYPE_EXTIF) {
805 extif_blink = 1;
806 l->state = !l->state;
807 set_led_extif(l);
808 } else {
809 mask |= l->gpio;
810 }
811 }
812 }
813
814 mask &= ~gpiomask;
815 if (mask) {
816 u32 val = ~gpio_in();
817
818 gpio_outen(mask, mask);
819 gpio_control(mask, 0);
820 gpio_out(mask, val);
821 }
822 if (mask || extif_blink) {
823 mod_timer(&led_timer, jiffies + FLASH_TIME);
824 }
825 }
826
827 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
828 {
829 #ifdef LINUX_2_4
830 struct inode *inode = file->f_dentry->d_inode;
831 struct proc_dir_entry *dent = inode->u.generic_ip;
832 #else
833 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
834 #endif
835 char *page;
836 int len = 0;
837
838 if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
839 return -ENOBUFS;
840
841 if (dent->data != NULL) {
842 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
843 switch (handler->type) {
844 case PROC_LED: {
845 struct led_t * led = (struct led_t *) handler->ptr;
846 if (led->flash) {
847 len = sprintf(page, "f\n");
848 } else {
849 if (led->gpio & GPIO_TYPE_EXTIF) {
850 len = sprintf(page, "%d\n", led->state);
851 } else {
852 u32 in = (gpio_in() & led->gpio ? 1 : 0);
853 u8 p = (led->polarity == NORMAL ? 0 : 1);
854 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
855 }
856 }
857 break;
858 }
859 case PROC_MODEL:
860 len = sprintf(page, "%s\n", platform.name);
861 break;
862 case PROC_GPIOMASK:
863 len = sprintf(page, "0x%04x\n", gpiomask);
864 break;
865 }
866 }
867 len += 1;
868
869 if (*ppos < len) {
870 len = min_t(int, len - *ppos, count);
871 if (copy_to_user(buf, (page + *ppos), len)) {
872 kfree(page);
873 return -EFAULT;
874 }
875 *ppos += len;
876 } else {
877 len = 0;
878 }
879
880 return len;
881 }
882
883
884 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
885 {
886 #ifdef LINUX_2_4
887 struct inode *inode = file->f_dentry->d_inode;
888 struct proc_dir_entry *dent = inode->u.generic_ip;
889 #else
890 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
891 #endif
892 char *page;
893 int ret = -EINVAL;
894
895 if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
896 return -ENOBUFS;
897
898 if (copy_from_user(page, buf, count)) {
899 kfree(page);
900 return -EINVAL;
901 }
902 page[count] = 0;
903
904 if (dent->data != NULL) {
905 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
906 switch (handler->type) {
907 case PROC_LED: {
908 struct led_t *led = (struct led_t *) handler->ptr;
909 int p = (led->polarity == NORMAL ? 0 : 1);
910
911 if (page[0] == 'f') {
912 led->flash = 1;
913 led_flash(0);
914 } else {
915 led->flash = 0;
916 if (led->gpio & GPIO_TYPE_EXTIF) {
917 led->state = p ^ ((page[0] == '1') ? 1 : 0);
918 set_led_extif(led);
919 } else {
920 gpio_outen(led->gpio, led->gpio);
921 gpio_control(led->gpio, 0);
922 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
923 }
924 }
925 break;
926 }
927 case PROC_GPIOMASK:
928 gpiomask = simple_strtoul(page, NULL, 0);
929
930 if (platform.buttons) {
931 unregister_buttons(platform.buttons);
932 register_buttons(platform.buttons);
933 }
934
935 if (platform.leds) {
936 unregister_leds(platform.leds);
937 register_leds(platform.leds);
938 }
939 break;
940 }
941 ret = count;
942 }
943
944 kfree(page);
945 return ret;
946 }
947
948 static int __init diag_init(void)
949 {
950 static struct proc_dir_entry *p;
951 static struct platform_t *detected;
952
953 detected = platform_detect();
954 if (!detected) {
955 printk(MODULE_NAME ": Router model not detected.\n");
956 return -ENODEV;
957 }
958 memcpy(&platform, detected, sizeof(struct platform_t));
959
960 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
961 if (platform.platform_init != NULL) {
962 platform.platform_init();
963 }
964
965 if (!(diag = proc_mkdir("diag", NULL))) {
966 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
967 return -EINVAL;
968 }
969
970 if ((p = create_proc_entry("model", S_IRUSR, diag))) {
971 p->data = (void *) &proc_model;
972 p->proc_fops = &diag_proc_fops;
973 }
974
975 if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
976 p->data = (void *) &proc_gpiomask;
977 p->proc_fops = &diag_proc_fops;
978 }
979
980 if (platform.buttons)
981 register_buttons(platform.buttons);
982
983 if (platform.leds)
984 register_leds(platform.leds);
985
986 return 0;
987 }
988
989 static void __exit diag_exit(void)
990 {
991
992 del_timer(&led_timer);
993
994 if (platform.buttons)
995 unregister_buttons(platform.buttons);
996
997 if (platform.leds)
998 unregister_leds(platform.leds);
999
1000 remove_proc_entry("model", diag);
1001 remove_proc_entry("gpiomask", diag);
1002 remove_proc_entry("diag", NULL);
1003 }
1004
1005 module_init(diag_init);
1006 module_exit(diag_exit);
1007
1008 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1009 MODULE_LICENSE("GPL");
Personal OpenWRT clone
This page took 0.119269 seconds and 5 git commands to generate.