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package/broadcom-diag: use broadcast_uevent
[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 */
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 #include <linux/workqueue.h>
31 #include <linux/skbuff.h>
32 #include <linux/netlink.h>
33 #include <linux/kobject.h>
34 #include <net/sock.h>
35 extern u64 uevent_next_seqnum(void);
36
37 #include "gpio.h"
38 #include "diag.h"
39 #define getvar(str) (nvram_get(str)?:"")
40
41 static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
42 static int fill_event(struct event_t *);
43 static unsigned int gpiomask = 0;
44 module_param(gpiomask, int, 0644);
45
46 enum {
47 /* Linksys */
48 WAP54GV1,
49 WAP54GV2,
50 WAP54GV3,
51 WRT54GV1,
52 WRT54G,
53 WRTSL54GS,
54 WRT54G3G,
55 WRT54G3GV2_VF,
56 WRT160N,
57 WRT300NV11,
58 WRT350N,
59 WRT600N,
60 WRT600NV11,
61 WRT610N,
62
63 /* ASUS */
64 WLHDD,
65 WL300G,
66 WL320GE,
67 WL330GE,
68 WL500G,
69 WL500GD,
70 WL500GP,
71 WL500GPV2,
72 WL500W,
73 WL520GC,
74 WL520GU,
75 ASUS_4702,
76 WL700GE,
77
78 /* Buffalo */
79 WBR2_G54,
80 WHR_G54S,
81 WHR_HP_G54,
82 WHR_G125,
83 WHR2_A54G54,
84 WLA2_G54L,
85 WZR_G300N,
86 WZR_RS_G54,
87 WZR_RS_G54HP,
88 BUFFALO_UNKNOWN,
89 BUFFALO_UNKNOWN_4710,
90
91 /* Siemens */
92 SE505V1,
93 SE505V2,
94
95 /* US Robotics */
96 USR5461,
97
98 /* Dell */
99 TM2300,
100 TM2300V2,
101
102 /* Motorola */
103 WE800G,
104 WR850GV1,
105 WR850GV2V3,
106 WR850GP,
107
108 /* Belkin */
109 BELKIN_UNKNOWN,
110
111 /* Netgear */
112 WGT634U,
113 WNR834BV2,
114
115 /* Trendware */
116 TEW411BRPP,
117
118 /* SimpleTech */
119 STI_NAS,
120
121 /* D-Link */
122 DIR130,
123 DIR320,
124 DIR330,
125 DWL3150,
126
127 /* Sitecom */
128 WL105B,
129
130 /* Western Digital */
131 WDNetCenter,
132
133 /* Askey */
134 RT210W,
135
136 /* OvisLink */
137 WL1600GL,
138
139 /* Microsoft */
140 MN700,
141 };
142
143 static void __init bcm4780_init(void) {
144 int pin = 1 << 3;
145
146 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
147 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
148 gpio_outen(pin, pin);
149 gpio_control(pin, 0);
150 gpio_out(pin, pin);
151
152 /* Wait 5s, so the HDD can spin up */
153 set_current_state(TASK_INTERRUPTIBLE);
154 schedule_timeout(HZ * 5);
155 }
156
157 static void __init NetCenter_init(void) {
158 /* unset pin 6 (+12V) */
159 int pin = 1 << 6;
160 gpio_outen(pin, pin);
161 gpio_control(pin, 0);
162 gpio_out(pin, pin);
163 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
164 pin = 1 << 1;
165 gpio_outen(pin, pin);
166 gpio_control(pin, 0);
167 gpio_out(pin, pin);
168 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
169 bcm4780_init();
170 }
171
172 static void __init bcm57xx_init(void) {
173 int pin = 1 << 2;
174
175 /* FIXME: switch comes up, but port mappings/vlans not right */
176 gpio_outen(pin, pin);
177 gpio_control(pin, 0);
178 gpio_out(pin, pin);
179 }
180
181 static struct platform_t __initdata platforms[] = {
182 /* Linksys */
183 [WAP54GV1] = {
184 .name = "Linksys WAP54G V1",
185 .buttons = {
186 { .name = "reset", .gpio = 1 << 0 },
187 },
188 .leds = {
189 { .name = "diag", .gpio = 1 << 3 },
190 { .name = "wlan", .gpio = 1 << 4 },
191 },
192 },
193 [WAP54GV2] = {
194 .name = "Linksys WAP54G V2",
195 .buttons = {
196 { .name = "reset", .gpio = 1 << 0 },
197 },
198 .leds = {
199 { .name = "wlan", .gpio = 1 << 5, .polarity = REVERSE },
200 /* GPIO 6 is b44 (eth0, LAN) PHY power */
201 },
202 },
203 [WAP54GV3] = {
204 .name = "Linksys WAP54G V3",
205 .buttons = {
206 /* FIXME: verify this */
207 { .name = "reset", .gpio = 1 << 7 },
208 { .name = "ses", .gpio = 1 << 0 },
209 },
210 .leds = {
211 /* FIXME: diag? */
212 { .name = "ses", .gpio = 1 << 1 },
213 },
214 },
215 [WRT54GV1] = {
216 .name = "Linksys WRT54G V1.x",
217 .buttons = {
218 { .name = "reset", .gpio = 1 << 6 },
219 },
220 .leds = {
221 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
222 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
223 },
224 },
225 [WRT54G] = {
226 .name = "Linksys WRT54G/GS/GL",
227 .buttons = {
228 { .name = "reset", .gpio = 1 << 6 },
229 { .name = "ses", .gpio = 1 << 4 },
230 },
231 .leds = {
232 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
233 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
234 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
235 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
236 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
237 },
238 },
239 [WRTSL54GS] = {
240 .name = "Linksys WRTSL54GS",
241 .buttons = {
242 { .name = "reset", .gpio = 1 << 6 },
243 { .name = "ses", .gpio = 1 << 4 },
244 },
245 .leds = {
246 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
247 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
248 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
249 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
250 },
251 },
252 [WRT54G3G] = {
253 .name = "Linksys WRT54G3G",
254 .buttons = {
255 { .name = "reset", .gpio = 1 << 6 },
256 { .name = "3g", .gpio = 1 << 4 },
257 },
258 .leds = {
259 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
260 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
261 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
262 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
263 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
264 },
265 },
266 [WRT54G3GV2_VF] = {
267 .name = "Linksys WRT54G3GV2-VF",
268 .buttons = {
269 { .name = "reset", .gpio = 1 << 6 },
270 { .name = "3g", .gpio = 1 << 5 },
271 },
272 .leds = {
273 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
274 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
275 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
276 },
277 },
278 [WRT160N] = {
279 .name = "Linksys WRT160N",
280 .buttons = {
281 { .name = "reset", .gpio = 1 << 6 },
282 { .name = "ses", .gpio = 1 << 4 },
283 },
284 .leds = {
285 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
286 { .name = "ses_blue", .gpio = 1 << 5, .polarity = REVERSE },
287 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
288 },
289 },
290 [WRT300NV11] = {
291 .name = "Linksys WRT300N V1.1",
292 .buttons = {
293 { .name = "reset", .gpio = 1 << 6 }, // "Reset" on back panel
294 { .name = "ses", .gpio = 1 << 4 }, // "Reserved" on top panel
295 },
296 .leds = {
297 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // "Power"
298 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
299 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
300 },
301 .platform_init = bcm57xx_init,
302 },
303 [WRT350N] = {
304 .name = "Linksys WRT350N",
305 .buttons = {
306 { .name = "reset", .gpio = 1 << 6 },
307 { .name = "ses", .gpio = 1 << 8 },
308 },
309 .leds = {
310 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
311 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
312 { .name = "ses_green", .gpio = 1 << 9, .polarity = REVERSE },
313 { .name = "usb_blink", .gpio = 1 << 10, .polarity = REVERSE },
314 { .name = "usb", .gpio = 1 << 11, .polarity = REVERSE },
315 },
316 .platform_init = bcm57xx_init,
317 },
318 [WRT600N] = {
319 .name = "Linksys WRT600N",
320 .buttons = {
321 { .name = "reset", .gpio = 1 << 6 },
322 { .name = "ses", .gpio = 1 << 7 },
323 },
324 .leds = {
325 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
326 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
327 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
328 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
329 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
330 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
331 },
332 .platform_init = bcm57xx_init,
333 },
334 [WRT600NV11] = {
335 .name = "Linksys WRT600N V1.1",
336 .buttons = {
337 { .name = "reset", .gpio = 1 << 6 },
338 { .name = "ses", .gpio = 1 << 7 },
339 },
340 .leds = {
341 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
342 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
343 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
344 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
345 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
346 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
347 },
348 .platform_init = bcm57xx_init,
349 },
350 [WRT610N] = {
351 .name = "Linksys WRT610N",
352 .buttons = {
353 { .name = "reset", .gpio = 1 << 6 },
354 { .name = "ses", .gpio = 1 << 8 },
355 },
356 .leds = {
357 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // Power LED
358 { .name = "usb", .gpio = 1 << 0, .polarity = REVERSE }, // USB LED
359 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED amber
360 { .name = "ses_blue", .gpio = 1 << 9, .polarity = REVERSE }, // WiFi protected setup LED blue
361 },
362 },
363 /* Asus */
364 [WLHDD] = {
365 .name = "ASUS WL-HDD",
366 .buttons = {
367 { .name = "reset", .gpio = 1 << 6 },
368 },
369 .leds = {
370 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
371 { .name = "usb", .gpio = 1 << 2, .polarity = REVERSE },
372 },
373 },
374 [WL300G] = {
375 .name = "ASUS WL-300g",
376 .buttons = {
377 { .name = "reset", .gpio = 1 << 6 },
378 },
379 .leds = {
380 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
381 },
382 },
383 [WL320GE] = {
384 .name = "ASUS WL-320gE/WL-320gP",
385 .buttons = {
386 { .name = "reset", .gpio = 1 << 6 },
387 },
388 .leds = {
389 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
390 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE },
391 { .name = "link", .gpio = 1 << 11, .polarity = REVERSE },
392 },
393 },
394 [WL330GE] = {
395 .name = "ASUS WL-330gE",
396 .buttons = {
397 { .name = "reset", .gpio = 1 << 2 },
398 },
399 .leds = {
400 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
401 },
402 },
403 [WL500G] = {
404 .name = "ASUS WL-500g",
405 .buttons = {
406 { .name = "reset", .gpio = 1 << 6 },
407 },
408 .leds = {
409 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
410 },
411 },
412 [WL500GD] = {
413 .name = "ASUS WL-500g Deluxe",
414 .buttons = {
415 { .name = "reset", .gpio = 1 << 6 },
416 },
417 .leds = {
418 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
419 },
420 },
421 [WL500GP] = {
422 .name = "ASUS WL-500g Premium",
423 .buttons = {
424 { .name = "reset", .gpio = 1 << 0 },
425 { .name = "ses", .gpio = 1 << 4 },
426 },
427 .leds = {
428 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
429 },
430 },
431 [WL500GPV2] = {
432 .name = "ASUS WL-500g Premium V2",
433 .buttons = {
434 { .name = "reset", .gpio = 1 << 2 },
435 { .name = "ses", .gpio = 1 << 3 },
436 },
437 .leds = {
438 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
439 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
440 },
441 },
442 [WL500W] = {
443 .name = "ASUS WL-500W",
444 .buttons = {
445 { .name = "reset", .gpio = 1 << 6 },
446 { .name = "ses", .gpio = 1 << 7 },
447 },
448 .leds = {
449 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
450 },
451 },
452 [WL520GC] = {
453 .name = "ASUS WL-520GC",
454 .buttons = {
455 { .name = "reset", .gpio = 1 << 2 },
456 { .name = "ses", .gpio = 1 << 3 },
457 },
458 .leds = {
459 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
460 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
461 },
462 },
463 [WL520GU] = {
464 .name = "ASUS WL-520gU",
465 .buttons = {
466 { .name = "reset", .gpio = 1 << 2 },
467 { .name = "ses", .gpio = 1 << 3 },
468 },
469 .leds = {
470 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
471 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
472 },
473 },
474 [ASUS_4702] = {
475 .name = "ASUS (unknown, BCM4702)",
476 .buttons = {
477 { .name = "reset", .gpio = 1 << 6 },
478 },
479 .leds = {
480 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
481 },
482 },
483 [WL700GE] = {
484 .name = "ASUS WL-700gE",
485 .buttons = {
486 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
487 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
488 { .name = "power", .gpio = 1 << 0 }, // on front
489 { .name = "copy", .gpio = 1 << 6 }, // on front
490 },
491 .leds = {
492 #if 0
493 // GPIO that controls power led also enables/disables some essential functions
494 // - power to HDD
495 // - switch leds
496 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
497 #endif
498 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
499 },
500 .platform_init = bcm4780_init,
501 },
502 /* Buffalo */
503 [WHR_G54S] = {
504 .name = "Buffalo WHR-G54S",
505 .buttons = {
506 { .name = "reset", .gpio = 1 << 4 },
507 { .name = "bridge", .gpio = 1 << 5 },
508 { .name = "ses", .gpio = 1 << 0 },
509 },
510 .leds = {
511 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
512 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
513 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
514 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
515 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
516 },
517 },
518 [WBR2_G54] = {
519 .name = "Buffalo WBR2-G54",
520 /* FIXME: verify */
521 .buttons = {
522 { .name = "reset", .gpio = 1 << 7 },
523 },
524 .leds = {
525 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
526 },
527 },
528 [WHR_HP_G54] = {
529 .name = "Buffalo WHR-HP-G54",
530 .buttons = {
531 { .name = "reset", .gpio = 1 << 4 },
532 { .name = "bridge", .gpio = 1 << 5 },
533 { .name = "ses", .gpio = 1 << 0 },
534 },
535 .leds = {
536 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
537 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
538 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
539 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
540 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
541 },
542 },
543 [WHR_G125] = {
544 .name = "Buffalo WHR-G125",
545 .buttons = {
546 { .name = "reset", .gpio = 1 << 4 },
547 { .name = "bridge", .gpio = 1 << 5 },
548 { .name = "ses", .gpio = 1 << 0 },
549 },
550 .leds = {
551 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
552 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
553 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
554 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
555 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
556 },
557 },
558 [WHR2_A54G54] = {
559 .name = "Buffalo WHR2-A54G54",
560 .buttons = {
561 { .name = "reset", .gpio = 1 << 4 },
562 },
563 .leds = {
564 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
565 },
566 },
567 [WLA2_G54L] = {
568 .name = "Buffalo WLA2-G54L",
569 /* FIXME: verify */
570 .buttons = {
571 { .name = "reset", .gpio = 1 << 7 },
572 },
573 .leds = {
574 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
575 },
576 },
577 [WZR_G300N] = {
578 .name = "Buffalo WZR-G300N",
579 .buttons = {
580 { .name = "reset", .gpio = 1 << 4 },
581 },
582 .leds = {
583 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
584 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
585 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
586 },
587 },
588 [WZR_RS_G54] = {
589 .name = "Buffalo WZR-RS-G54",
590 .buttons = {
591 { .name = "ses", .gpio = 1 << 0 },
592 { .name = "reset", .gpio = 1 << 4 },
593 },
594 .leds = {
595 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
596 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
597 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
598 },
599 },
600 [WZR_RS_G54HP] = {
601 .name = "Buffalo WZR-RS-G54HP",
602 .buttons = {
603 { .name = "ses", .gpio = 1 << 0 },
604 { .name = "reset", .gpio = 1 << 4 },
605 },
606 .leds = {
607 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
608 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
609 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
610 },
611 },
612 [BUFFALO_UNKNOWN] = {
613 .name = "Buffalo (unknown)",
614 .buttons = {
615 { .name = "reset", .gpio = 1 << 7 },
616 },
617 .leds = {
618 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
619 },
620 },
621 [BUFFALO_UNKNOWN_4710] = {
622 .name = "Buffalo (unknown, BCM4710)",
623 .buttons = {
624 { .name = "reset", .gpio = 1 << 4 },
625 },
626 .leds = {
627 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
628 },
629 },
630 /* Siemens */
631 [SE505V1] = {
632 .name = "Siemens SE505 V1",
633 .buttons = {
634 /* No usable buttons */
635 },
636 .leds = {
637 // { .name = "power", .gpio = 1 << 0 .polarity = REVERSE }, // Usable when retrofitting D26 (?)
638 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE }, // actual name WWW
639 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
640 },
641 },
642 [SE505V2] = {
643 .name = "Siemens SE505 V2",
644 .buttons = {
645 /* No usable buttons */
646 },
647 .leds = {
648 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
649 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE }, // actual name WWW
650 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
651 },
652 },
653 /* US Robotics */
654 [USR5461] = {
655 .name = "U.S. Robotics USR5461",
656 .buttons = {
657 /* No usable buttons */
658 },
659 .leds = {
660 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
661 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
662 },
663 },
664 /* Dell */
665 [TM2300] = {
666 .name = "Dell TrueMobile 2300",
667 .buttons = {
668 { .name = "reset", .gpio = 1 << 0 },
669 },
670 .leds = {
671 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
672 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
673 },
674 },
675 [TM2300V2] = {
676 .name = "Dell TrueMobile 2300 v2",
677 .buttons = {
678 { .name = "reset", .gpio = 1 << 0 },
679 },
680 .leds = {
681 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
682 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
683 },
684 },
685 /* Motorola */
686 [WE800G] = {
687 .name = "Motorola WE800G",
688 .buttons = {
689 { .name = "reset", .gpio = 1 << 0 },
690 },
691 .leds = {
692 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
693 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
694 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
695 },
696 },
697 [WR850GV1] = {
698 .name = "Motorola WR850G V1",
699 .buttons = {
700 { .name = "reset", .gpio = 1 << 0 },
701 },
702 .leds = {
703 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
704 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
705 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
706 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
707 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
708 },
709 },
710 [WR850GV2V3] = {
711 .name = "Motorola WR850G V2/V3",
712 .buttons = {
713 { .name = "reset", .gpio = 1 << 5 },
714 },
715 .leds = {
716 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
717 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
718 { .name = "wan", .gpio = 1 << 6, .polarity = INPUT },
719 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
720 },
721 },
722 [WR850GP] = {
723 .name = "Motorola WR850GP",
724 .buttons = {
725 { .name = "reset", .gpio = 1 << 5 },
726 },
727 .leds = {
728 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
729 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
730 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
731 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
732 },
733 },
734
735 /* Belkin */
736 [BELKIN_UNKNOWN] = {
737 .name = "Belkin (unknown)",
738 /* FIXME: verify & add detection */
739 .buttons = {
740 { .name = "reset", .gpio = 1 << 7 },
741 },
742 .leds = {
743 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
744 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
745 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
746 },
747 },
748 /* Netgear */
749 [WGT634U] = {
750 .name = "Netgear WGT634U",
751 .buttons = {
752 { .name = "reset", .gpio = 1 << 2 },
753 },
754 .leds = {
755 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
756 },
757 },
758 [WNR834BV2] = {
759 .name = "Netgear WNR834B V2",
760 .buttons = {
761 { .name = "reset", .gpio = 1 << 6 },
762 },
763 .leds = {
764 { .name = "power", .gpio = 1 << 2, .polarity = NORMAL },
765 { .name = "diag", .gpio = 1 << 3, .polarity = NORMAL },
766 { .name = "connected", .gpio = 1 << 7, .polarity = NORMAL },
767 },
768 },
769 /* Trendware */
770 [TEW411BRPP] = {
771 .name = "Trendware TEW411BRP+",
772 .buttons = {
773 { /* No usable buttons */ },
774 },
775 .leds = {
776 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
777 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
778 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
779 },
780 },
781 /* SimpleTech */
782 [STI_NAS] = {
783 .name = "SimpleTech SimpleShare NAS",
784 .buttons = {
785 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
786 { .name = "power", .gpio = 1 << 0 }, // on back
787 },
788 .leds = {
789 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
790 },
791 .platform_init = bcm4780_init,
792 },
793 /* D-Link */
794 [DIR130] = {
795 .name = "D-Link DIR-130",
796 .buttons = {
797 { .name = "reset", .gpio = 1 << 3},
798 { .name = "reserved", .gpio = 1 << 7},
799 },
800 .leds = {
801 { .name = "diag", .gpio = 1 << 0},
802 { .name = "blue", .gpio = 1 << 6},
803 },
804 },
805 [DIR320] = {
806 .name = "D-Link DIR-320",
807 .buttons = {
808 { .name = "reserved", .gpio = 1 << 6},
809 { .name = "reset", .gpio = 1 << 7},
810 },
811 .leds = {
812 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
813 { .name = "diag", .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
814 { .name = "red", .gpio = 1 << 3, .polarity = REVERSE },
815 { .name = "blue", .gpio = 1 << 4, .polarity = REVERSE },
816 { .name = "usb", .gpio = 1 << 5, .polarity = NORMAL },
817 },
818 },
819 [DIR330] = {
820 .name = "D-Link DIR-330",
821 .buttons = {
822 { .name = "reset", .gpio = 1 << 3},
823 { .name = "reserved", .gpio = 1 << 7},
824 },
825 .leds = {
826 { .name = "diag", .gpio = 1 << 0},
827 { .name = "usb", .gpio = 1 << 4},
828 { .name = "blue", .gpio = 1 << 6},
829 },
830 },
831 [DWL3150] = {
832 .name = "D-Link DWL-3150",
833 .buttons = {
834 { .name = "reset", .gpio = 1 << 7},
835 },
836 .leds = {
837 { .name = "diag", .gpio = 1 << 2},
838 { .name = "status", .gpio = 1 << 1},
839 },
840 },
841 /* Double check */
842 [WL105B] = {
843 .name = "Sitecom WL-105b",
844 .buttons = {
845 { .name = "reset", .gpio = 1 << 10},
846 },
847 .leds = {
848 { .name = "wlan", .gpio = 1 << 4},
849 { .name = "power", .gpio = 1 << 3},
850 },
851 },
852 /* Western Digital Net Center */
853 [WDNetCenter] = {
854 .name = "Western Digital NetCenter",
855 .buttons = {
856 { .name = "power", .gpio = 1 << 0},
857 { .name = "reset", .gpio = 1 << 7},
858 },
859 .platform_init = NetCenter_init,
860 },
861 /* Askey (and clones) */
862 [RT210W] = {
863 .name = "Askey RT210W",
864 .buttons = {
865 /* Power button is hard-wired to hardware reset */
866 /* but is also connected to GPIO 7 (probably for bootloader recovery) */
867 { .name = "power", .gpio = 1 << 7},
868 },
869 .leds = {
870 /* These were verified and named based on Belkin F5D4230-4 v1112 */
871 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
872 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
873 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
874 },
875 },
876 [WL1600GL] = {
877 .name = "OvisLink WL-1600GL",
878 .buttons = {
879 { .name = "reset", .gpio = 1 << 3 },
880 { .name = "ses", .gpio = 1 << 4 },
881 },
882 .leds = {
883 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
884 { .name = "wps", .gpio = 1 << 2, .polarity = REVERSE },
885 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
886 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
887 },
888 },
889 /* Microsoft */
890 [MN700] = {
891 .name = "Microsoft MN-700",
892 .buttons = {
893 { .name = "reset", .gpio = 1 << 7 },
894 },
895 .leds = {
896 { .name = "power", .gpio = 1 << 6, .polarity = NORMAL },
897 },
898 },
899 };
900
901 static struct platform_t __init *platform_detect(void)
902 {
903 char *boardnum, *boardtype, *buf;
904
905 if (strcmp(getvar("nvram_type"), "cfe") == 0)
906 return &platforms[WGT634U];
907
908 /* Look for a model identifier */
909
910 /* Based on "model_name" */
911 if ((buf = nvram_get("model_name"))) {
912 if (!strcmp(buf, "DIR-130"))
913 return &platforms[DIR130];
914 if (!strcmp(buf, "DIR-330"))
915 return &platforms[DIR330];
916 }
917
918 /* Based on "wsc_modelname */
919 if ((buf = nvram_get("wsc_modelname"))) {
920 if (!strcmp(buf, "WRT610N"))
921 return &platforms[WRT610N];
922 }
923
924 /* Based on "model_no" */
925 if ((buf = nvram_get("model_no"))) {
926 if (startswith(buf,"WL700")) /* WL700* */
927 return &platforms[WL700GE];
928 }
929
930 /* Based on "hardware_version" */
931 if ((buf = nvram_get("hardware_version"))) {
932 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
933 return &platforms[WL500GPV2];
934 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
935 return &platforms[WL520GC];
936 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
937 return &platforms[WL520GU];
938 if (startswith(buf,"WL330GE-")) /* WL330GE-* */
939 return &platforms[WL330GE];
940 }
941
942 /* Based on "ModelId" */
943 if ((buf = nvram_get("ModelId"))) {
944 if (!strcmp(buf, "WR850GP"))
945 return &platforms[WR850GP];
946 if (!strcmp(buf, "WR850G"))
947 return &platforms[WR850GV2V3];
948 if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
949 return &platforms[TM2300]; /* Dell TrueMobile 2300 */
950 if (startswith(buf,"WE800G")) /* WE800G* */
951 return &platforms[WE800G];
952 }
953
954 /* Buffalo */
955 if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
956 /* Buffalo hardware, check id for specific hardware matches */
957 if (!strcmp(buf, "29bb0332"))
958 return &platforms[WBR2_G54];
959 if (!strcmp(buf, "29129"))
960 return &platforms[WLA2_G54L];
961 if (!strcmp(buf, "30189"))
962 return &platforms[WHR_HP_G54];
963 if (!strcmp(buf, "32093"))
964 return &platforms[WHR_G125];
965 if (!strcmp(buf, "30182"))
966 return &platforms[WHR_G54S];
967 if (!strcmp(buf, "290441dd"))
968 return &platforms[WHR2_A54G54];
969 if (!strcmp(buf, "31120"))
970 return &platforms[WZR_G300N];
971 if (!strcmp(buf, "30083"))
972 return &platforms[WZR_RS_G54];
973 if (!strcmp(buf, "30103"))
974 return &platforms[WZR_RS_G54HP];
975 }
976
977 /* no easy model number, attempt to guess */
978 boardnum = getvar("boardnum");
979 boardtype = getvar("boardtype");
980
981 if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N v1/V1.1 */
982 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
983 return &platforms[WRT600NV11];
984
985 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
986 return &platforms[WRT600N];
987 }
988
989 if (startswith(getvar("pmon_ver"), "CFE")) {
990 /* CFE based - newer hardware */
991 if (!strcmp(boardnum, "42")) { /* Linksys */
992 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("boot_hw_model"), "WRT300N") && !strcmp(getvar("boot_hw_ver"), "1.1"))
993 return &platforms[WRT300NV11];
994
995 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
996 return &platforms[WRT350N];
997
998 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
999 return &platforms[WRT54G3G];
1000
1001 if (!strcmp(boardtype, "0x042f") && !strcmp(getvar("model_name"), "WRT54G3GV2-VF"))
1002 return &platforms[WRT54G3GV2_VF];
1003
1004 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
1005 return &platforms[WRTSL54GS];
1006
1007 if (!strcmp(boardtype, "0x0472"))
1008 return &platforms[WRT160N];
1009
1010 /* default to WRT54G */
1011 return &platforms[WRT54G];
1012 }
1013 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1014 return &platforms[WAP54GV2];
1015
1016 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1017 return &platforms[WL1600GL];
1018
1019
1020 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1021 if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1022 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1023 }
1024
1025 if (!strcmp(boardnum, "45")) { /* ASUS */
1026 if (!strcmp(boardtype,"0x042f"))
1027 return &platforms[WL500GP];
1028 else if (!strcmp(boardtype,"0x0472"))
1029 return &platforms[WL500W];
1030 else if (!strcmp(boardtype,"0x467"))
1031 return &platforms[WL320GE];
1032 else
1033 return &platforms[WL500GD];
1034 }
1035
1036 if (!strcmp(boardnum, "10496"))
1037 return &platforms[USR5461];
1038
1039 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1040 return &platforms[SE505V2];
1041
1042 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1043 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1044 return &platforms[DIR320];
1045
1046 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1047 return &platforms[WDNetCenter];
1048 }
1049
1050 if ((!strcmp(boardnum, "08") || !strcmp(boardnum, "01")) &&
1051 !strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B V1 and V2*/
1052 /* TODO: Check for version. Default platform is V2 for now. */
1053 return &platforms[WNR834BV2];
1054 }
1055
1056 } else { /* PMON based - old stuff */
1057 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1058 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1059 return &platforms[WR850GV1];
1060 }
1061 if (startswith(boardtype, "bcm94710dev")) {
1062 if (!strcmp(boardnum, "42"))
1063 return &platforms[WRT54GV1];
1064 if (simple_strtoul(boardnum, NULL, 0) == 2)
1065 return &platforms[WAP54GV1];
1066 }
1067 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1068 if (startswith(getvar("hardware_version"), "WL500-")) {
1069 if (!strcmp(getvar("boardnum"), "mn700"))
1070 return &platforms[MN700];
1071 else
1072 return &platforms[WL500G];
1073 }
1074 if (startswith(getvar("hardware_version"), "WL300-")) {
1075 /* Either WL-300g or WL-HDD, do more extensive checks */
1076 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1077 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
1078 return &platforms[WLHDD];
1079 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1080 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
1081 return &platforms[WL300G];
1082 }
1083 /* Sitecom WL-105b */
1084 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1085 return &platforms[WL105B];
1086
1087 /* unknown asus stuff, probably bcm4702 */
1088 if (startswith(boardnum, "asusX"))
1089 return &platforms[ASUS_4702];
1090
1091 /* bcm4702 based Askey RT210W clones, Including:
1092 * Askey RT210W (duh?)
1093 * Siemens SE505v1
1094 * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1095 */
1096 if (!strcmp(boardtype,"bcm94710r4")
1097 && !strcmp(boardnum ,"100")
1098 && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1099 ){
1100 return &platforms[RT210W];
1101 }
1102 }
1103
1104 if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
1105 if (startswith(boardtype, "bcm94710ap"))
1106 return &platforms[BUFFALO_UNKNOWN_4710];
1107 else
1108 return &platforms[BUFFALO_UNKNOWN];
1109 }
1110
1111 if (startswith(getvar("CFEver"), "MotoWRv2") ||
1112 startswith(getvar("CFEver"), "MotoWRv3") ||
1113 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1114
1115 return &platforms[WR850GV2V3];
1116 }
1117
1118 if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
1119 return &platforms[TEW411BRPP];
1120 }
1121
1122 if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1123 return &platforms[STI_NAS];
1124
1125 if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1126 return &platforms[DWL3150];
1127
1128 /* not found */
1129 return NULL;
1130 }
1131
1132 static void register_buttons(struct button_t *b)
1133 {
1134 for (; b->name; b++)
1135 platform.button_mask |= b->gpio;
1136
1137 platform.button_mask &= ~gpiomask;
1138
1139 gpio_outen(platform.button_mask, 0);
1140 gpio_control(platform.button_mask, 0);
1141 platform.button_polarity = gpio_in() & platform.button_mask;
1142 gpio_intpolarity(platform.button_mask, platform.button_polarity);
1143 gpio_setintmask(platform.button_mask, platform.button_mask);
1144
1145 gpio_set_irqenable(1, button_handler);
1146 }
1147
1148 static void unregister_buttons(struct button_t *b)
1149 {
1150 gpio_setintmask(platform.button_mask, 0);
1151
1152 gpio_set_irqenable(0, button_handler);
1153 }
1154
1155
1156 static void add_msg(struct event_t *event, char *msg, int argv)
1157 {
1158 char *s;
1159
1160 if (argv)
1161 return;
1162
1163 s = skb_put(event->skb, strlen(msg) + 1);
1164 strcpy(s, msg);
1165 }
1166
1167 static void hotplug_button(struct work_struct *work)
1168 {
1169 struct event_t *event = container_of(work, struct event_t, wq);
1170 char *s;
1171
1172 event->skb = alloc_skb(2048, GFP_KERNEL);
1173
1174 s = skb_put(event->skb, strlen(event->action) + 2);
1175 sprintf(s, "%s@", event->action);
1176 fill_event(event);
1177
1178 NETLINK_CB(event->skb).dst_group = 1;
1179 broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1180
1181 kfree(event);
1182 }
1183
1184
1185 static int fill_event (struct event_t *event)
1186 {
1187 static char buf[128];
1188
1189 add_msg(event, "HOME=/", 0);
1190 add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1191 add_msg(event, "SUBSYSTEM=button", 0);
1192 snprintf(buf, 128, "ACTION=%s", event->action);
1193 add_msg(event, buf, 0);
1194 snprintf(buf, 128, "BUTTON=%s", event->name);
1195 add_msg(event, buf, 0);
1196 snprintf(buf, 128, "SEEN=%ld", event->seen);
1197 add_msg(event, buf, 0);
1198 snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1199 add_msg(event, buf, 0);
1200
1201 return 0;
1202 }
1203
1204
1205 static irqreturn_t button_handler(int irq, void *dev_id)
1206 {
1207 struct button_t *b;
1208 u32 in, changed;
1209
1210 in = gpio_in() & platform.button_mask;
1211 gpio_intpolarity(platform.button_mask, in);
1212 changed = platform.button_polarity ^ in;
1213 platform.button_polarity = in;
1214
1215 changed &= ~gpio_outen(0, 0);
1216
1217 for (b = platform.buttons; b->name; b++) {
1218 struct event_t *event;
1219
1220 if (!(b->gpio & changed)) continue;
1221
1222 b->pressed ^= 1;
1223
1224 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1225 event->seen = (jiffies - b->seen)/HZ;
1226 event->name = b->name;
1227 event->action = b->pressed ? "pressed" : "released";
1228 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1229 schedule_work(&event->wq);
1230 }
1231
1232 b->seen = jiffies;
1233 }
1234 return IRQ_HANDLED;
1235 }
1236
1237 static void register_leds(struct led_t *l)
1238 {
1239 struct proc_dir_entry *p;
1240 u32 mask = 0;
1241 u32 oe_mask = 0;
1242 u32 val = 0;
1243
1244 leds = proc_mkdir("led", diag);
1245 if (!leds)
1246 return;
1247
1248 for(; l->name; l++) {
1249 if (l->gpio & gpiomask)
1250 continue;
1251
1252 if (l->gpio & GPIO_TYPE_EXTIF) {
1253 l->state = 0;
1254 set_led_extif(l);
1255 } else {
1256 if (l->polarity != INPUT) oe_mask |= l->gpio;
1257 mask |= l->gpio;
1258 val |= (l->polarity == NORMAL)?0:l->gpio;
1259 }
1260
1261 if (l->polarity == INPUT) continue;
1262
1263 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1264 l->proc.type = PROC_LED;
1265 l->proc.ptr = l;
1266 p->data = (void *) &l->proc;
1267 p->proc_fops = &diag_proc_fops;
1268 }
1269 }
1270
1271 gpio_outen(mask, oe_mask);
1272 gpio_control(mask, 0);
1273 gpio_out(mask, val);
1274 gpio_setintmask(mask, 0);
1275 }
1276
1277 static void unregister_leds(struct led_t *l)
1278 {
1279 for(; l->name; l++)
1280 remove_proc_entry(l->name, leds);
1281
1282 remove_proc_entry("led", diag);
1283 }
1284
1285 static void set_led_extif(struct led_t *led)
1286 {
1287 gpio_set_extif(led->gpio, led->state);
1288 }
1289
1290 static void led_flash(unsigned long dummy) {
1291 struct led_t *l;
1292 u32 mask = 0;
1293 u8 extif_blink = 0;
1294
1295 for (l = platform.leds; l->name; l++) {
1296 if (l->flash) {
1297 if (l->gpio & GPIO_TYPE_EXTIF) {
1298 extif_blink = 1;
1299 l->state = !l->state;
1300 set_led_extif(l);
1301 } else {
1302 mask |= l->gpio;
1303 }
1304 }
1305 }
1306
1307 mask &= ~gpiomask;
1308 if (mask) {
1309 u32 val = ~gpio_in();
1310
1311 gpio_outen(mask, mask);
1312 gpio_control(mask, 0);
1313 gpio_out(mask, val);
1314 }
1315 if (mask || extif_blink) {
1316 mod_timer(&led_timer, jiffies + FLASH_TIME);
1317 }
1318 }
1319
1320 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1321 {
1322 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1323 char *page;
1324 int len = 0;
1325
1326 if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1327 return -ENOBUFS;
1328
1329 if (dent->data != NULL) {
1330 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1331 switch (handler->type) {
1332 case PROC_LED: {
1333 struct led_t * led = (struct led_t *) handler->ptr;
1334 if (led->flash) {
1335 len = sprintf(page, "f\n");
1336 } else {
1337 if (led->gpio & GPIO_TYPE_EXTIF) {
1338 len = sprintf(page, "%d\n", led->state);
1339 } else {
1340 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1341 u8 p = (led->polarity == NORMAL ? 0 : 1);
1342 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1343 }
1344 }
1345 break;
1346 }
1347 case PROC_MODEL:
1348 len = sprintf(page, "%s\n", platform.name);
1349 break;
1350 case PROC_GPIOMASK:
1351 len = sprintf(page, "0x%04x\n", gpiomask);
1352 break;
1353 }
1354 }
1355 len += 1;
1356
1357 if (*ppos < len) {
1358 len = min_t(int, len - *ppos, count);
1359 if (copy_to_user(buf, (page + *ppos), len)) {
1360 kfree(page);
1361 return -EFAULT;
1362 }
1363 *ppos += len;
1364 } else {
1365 len = 0;
1366 }
1367
1368 kfree(page);
1369 return len;
1370 }
1371
1372
1373 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1374 {
1375 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1376 char *page;
1377 int ret = -EINVAL;
1378
1379 if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1380 return -ENOBUFS;
1381
1382 if (copy_from_user(page, buf, count)) {
1383 kfree(page);
1384 return -EINVAL;
1385 }
1386 page[count] = 0;
1387
1388 if (dent->data != NULL) {
1389 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1390 switch (handler->type) {
1391 case PROC_LED: {
1392 struct led_t *led = (struct led_t *) handler->ptr;
1393 int p = (led->polarity == NORMAL ? 0 : 1);
1394
1395 if (page[0] == 'f') {
1396 led->flash = 1;
1397 led_flash(0);
1398 } else {
1399 led->flash = 0;
1400 if (led->gpio & GPIO_TYPE_EXTIF) {
1401 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1402 set_led_extif(led);
1403 } else {
1404 gpio_outen(led->gpio, led->gpio);
1405 gpio_control(led->gpio, 0);
1406 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1407 }
1408 }
1409 break;
1410 }
1411 case PROC_GPIOMASK:
1412 gpiomask = simple_strtoul(page, NULL, 0);
1413
1414 if (platform.buttons) {
1415 unregister_buttons(platform.buttons);
1416 register_buttons(platform.buttons);
1417 }
1418
1419 if (platform.leds) {
1420 unregister_leds(platform.leds);
1421 register_leds(platform.leds);
1422 }
1423 break;
1424 }
1425 ret = count;
1426 }
1427
1428 kfree(page);
1429 return ret;
1430 }
1431
1432 static int __init diag_init(void)
1433 {
1434 static struct proc_dir_entry *p;
1435 static struct platform_t *detected;
1436
1437 detected = platform_detect();
1438 if (!detected) {
1439 printk(MODULE_NAME ": Router model not detected.\n");
1440 return -ENODEV;
1441 }
1442 memcpy(&platform, detected, sizeof(struct platform_t));
1443
1444 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1445 if (platform.platform_init != NULL) {
1446 platform.platform_init();
1447 }
1448
1449 if (!(diag = proc_mkdir("diag", NULL))) {
1450 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1451 return -EINVAL;
1452 }
1453
1454 if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1455 p->data = (void *) &proc_model;
1456 p->proc_fops = &diag_proc_fops;
1457 }
1458
1459 if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1460 p->data = (void *) &proc_gpiomask;
1461 p->proc_fops = &diag_proc_fops;
1462 }
1463
1464 if (platform.buttons)
1465 register_buttons(platform.buttons);
1466
1467 if (platform.leds)
1468 register_leds(platform.leds);
1469
1470 return 0;
1471 }
1472
1473 static void __exit diag_exit(void)
1474 {
1475 del_timer(&led_timer);
1476
1477 if (platform.buttons)
1478 unregister_buttons(platform.buttons);
1479
1480 if (platform.leds)
1481 unregister_leds(platform.leds);
1482
1483 remove_proc_entry("model", diag);
1484 remove_proc_entry("gpiomask", diag);
1485 remove_proc_entry("diag", NULL);
1486 }
1487
1488 module_init(diag_init);
1489 module_exit(diag_exit);
1490
1491 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1492 MODULE_LICENSE("GPL");
OpenWrt Source Repository