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[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 /* Edimax */
143 PS1208MFG,
144 };
145
146 static void __init bcm4780_init(void) {
147 int pin = 1 << 3;
148
149 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
150 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
151 gpio_outen(pin, pin);
152 gpio_control(pin, 0);
153 gpio_out(pin, pin);
154
155 /* Wait 5s, so the HDD can spin up */
156 set_current_state(TASK_INTERRUPTIBLE);
157 schedule_timeout(HZ * 5);
158 }
159
160 static void __init NetCenter_init(void) {
161 /* unset pin 6 (+12V) */
162 int pin = 1 << 6;
163 gpio_outen(pin, pin);
164 gpio_control(pin, 0);
165 gpio_out(pin, pin);
166 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
167 pin = 1 << 1;
168 gpio_outen(pin, pin);
169 gpio_control(pin, 0);
170 gpio_out(pin, pin);
171 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
172 bcm4780_init();
173 }
174
175 static void __init bcm57xx_init(void) {
176 int pin = 1 << 2;
177
178 /* FIXME: switch comes up, but port mappings/vlans not right */
179 gpio_outen(pin, pin);
180 gpio_control(pin, 0);
181 gpio_out(pin, pin);
182 }
183
184 static struct platform_t __initdata platforms[] = {
185 /* Linksys */
186 [WAP54GV1] = {
187 .name = "Linksys WAP54G V1",
188 .buttons = {
189 { .name = "reset", .gpio = 1 << 0 },
190 },
191 .leds = {
192 { .name = "diag", .gpio = 1 << 3 },
193 { .name = "wlan", .gpio = 1 << 4 },
194 },
195 },
196 [WAP54GV2] = {
197 .name = "Linksys WAP54G V2",
198 .buttons = {
199 { .name = "reset", .gpio = 1 << 0 },
200 },
201 .leds = {
202 { .name = "wlan", .gpio = 1 << 5, .polarity = REVERSE },
203 /* GPIO 6 is b44 (eth0, LAN) PHY power */
204 },
205 },
206 [WAP54GV3] = {
207 .name = "Linksys WAP54G V3",
208 .buttons = {
209 /* FIXME: verify this */
210 { .name = "reset", .gpio = 1 << 7 },
211 { .name = "ses", .gpio = 1 << 0 },
212 },
213 .leds = {
214 /* FIXME: diag? */
215 { .name = "ses", .gpio = 1 << 1 },
216 },
217 },
218 [WRT54GV1] = {
219 .name = "Linksys WRT54G V1.x",
220 .buttons = {
221 { .name = "reset", .gpio = 1 << 6 },
222 },
223 .leds = {
224 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
225 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
226 },
227 },
228 [WRT54G] = {
229 .name = "Linksys WRT54G/GS/GL",
230 .buttons = {
231 { .name = "reset", .gpio = 1 << 6 },
232 { .name = "ses", .gpio = 1 << 4 },
233 },
234 .leds = {
235 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
236 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
237 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
238 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
239 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
240 },
241 },
242 [WRTSL54GS] = {
243 .name = "Linksys WRTSL54GS",
244 .buttons = {
245 { .name = "reset", .gpio = 1 << 6 },
246 { .name = "ses", .gpio = 1 << 4 },
247 },
248 .leds = {
249 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
250 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
251 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
252 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
253 },
254 },
255 [WRT54G3G] = {
256 .name = "Linksys WRT54G3G",
257 .buttons = {
258 { .name = "reset", .gpio = 1 << 6 },
259 { .name = "3g", .gpio = 1 << 4 },
260 },
261 .leds = {
262 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
263 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
264 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
265 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
266 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
267 },
268 },
269 [WRT54G3GV2_VF] = {
270 .name = "Linksys WRT54G3GV2-VF",
271 .buttons = {
272 { .name = "reset", .gpio = 1 << 6 },
273 { .name = "3g", .gpio = 1 << 5 },
274 },
275 .leds = {
276 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
277 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
278 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
279 },
280 },
281 [WRT160N] = {
282 .name = "Linksys WRT160N",
283 .buttons = {
284 { .name = "reset", .gpio = 1 << 6 },
285 { .name = "ses", .gpio = 1 << 4 },
286 },
287 .leds = {
288 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
289 { .name = "ses_blue", .gpio = 1 << 5, .polarity = REVERSE },
290 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
291 },
292 },
293 [WRT300NV11] = {
294 .name = "Linksys WRT300N V1.1",
295 .buttons = {
296 { .name = "reset", .gpio = 1 << 6 }, // "Reset" on back panel
297 { .name = "ses", .gpio = 1 << 4 }, // "Reserved" on top panel
298 },
299 .leds = {
300 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // "Power"
301 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
302 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
303 },
304 .platform_init = bcm57xx_init,
305 },
306 [WRT350N] = {
307 .name = "Linksys WRT350N",
308 .buttons = {
309 { .name = "reset", .gpio = 1 << 6 },
310 { .name = "ses", .gpio = 1 << 8 },
311 },
312 .leds = {
313 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
314 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
315 { .name = "ses_green", .gpio = 1 << 9, .polarity = REVERSE },
316 { .name = "usb_blink", .gpio = 1 << 10, .polarity = REVERSE },
317 { .name = "usb", .gpio = 1 << 11, .polarity = REVERSE },
318 },
319 .platform_init = bcm57xx_init,
320 },
321 [WRT600N] = {
322 .name = "Linksys WRT600N",
323 .buttons = {
324 { .name = "reset", .gpio = 1 << 6 },
325 { .name = "ses", .gpio = 1 << 7 },
326 },
327 .leds = {
328 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
329 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
330 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
331 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
332 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
333 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
334 },
335 .platform_init = bcm57xx_init,
336 },
337 [WRT600NV11] = {
338 .name = "Linksys WRT600N V1.1",
339 .buttons = {
340 { .name = "reset", .gpio = 1 << 6 },
341 { .name = "ses", .gpio = 1 << 7 },
342 },
343 .leds = {
344 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
345 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
346 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
347 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
348 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
349 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
350 },
351 .platform_init = bcm57xx_init,
352 },
353 [WRT610N] = {
354 .name = "Linksys WRT610N",
355 .buttons = {
356 { .name = "reset", .gpio = 1 << 6 },
357 { .name = "ses", .gpio = 1 << 8 },
358 },
359 .leds = {
360 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // Power LED
361 { .name = "usb", .gpio = 1 << 0, .polarity = REVERSE }, // USB LED
362 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED amber
363 { .name = "ses_blue", .gpio = 1 << 9, .polarity = REVERSE }, // WiFi protected setup LED blue
364 },
365 },
366 /* Asus */
367 [WLHDD] = {
368 .name = "ASUS WL-HDD",
369 .buttons = {
370 { .name = "reset", .gpio = 1 << 6 },
371 },
372 .leds = {
373 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
374 { .name = "usb", .gpio = 1 << 2, .polarity = REVERSE },
375 },
376 },
377 [WL300G] = {
378 .name = "ASUS WL-300g",
379 .buttons = {
380 { .name = "reset", .gpio = 1 << 6 },
381 },
382 .leds = {
383 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
384 },
385 },
386 [WL320GE] = {
387 .name = "ASUS WL-320gE/WL-320gP",
388 .buttons = {
389 { .name = "reset", .gpio = 1 << 6 },
390 },
391 .leds = {
392 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
393 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE },
394 { .name = "link", .gpio = 1 << 11, .polarity = REVERSE },
395 },
396 },
397 [WL330GE] = {
398 .name = "ASUS WL-330gE",
399 .buttons = {
400 { .name = "reset", .gpio = 1 << 2 },
401 },
402 .leds = {
403 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
404 },
405 },
406 [WL500G] = {
407 .name = "ASUS WL-500g",
408 .buttons = {
409 { .name = "reset", .gpio = 1 << 6 },
410 },
411 .leds = {
412 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
413 },
414 },
415 [WL500GD] = {
416 .name = "ASUS WL-500g Deluxe",
417 .buttons = {
418 { .name = "reset", .gpio = 1 << 6 },
419 },
420 .leds = {
421 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
422 },
423 },
424 [WL500GP] = {
425 .name = "ASUS WL-500g Premium",
426 .buttons = {
427 { .name = "reset", .gpio = 1 << 0 },
428 { .name = "ses", .gpio = 1 << 4 },
429 },
430 .leds = {
431 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
432 },
433 },
434 [WL500GPV2] = {
435 .name = "ASUS WL-500g Premium V2",
436 .buttons = {
437 { .name = "reset", .gpio = 1 << 2 },
438 { .name = "ses", .gpio = 1 << 3 },
439 },
440 .leds = {
441 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
442 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
443 },
444 },
445 [WL500W] = {
446 .name = "ASUS WL-500W",
447 .buttons = {
448 { .name = "reset", .gpio = 1 << 6 },
449 { .name = "ses", .gpio = 1 << 7 },
450 },
451 .leds = {
452 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
453 },
454 },
455 [WL520GC] = {
456 .name = "ASUS WL-520GC",
457 .buttons = {
458 { .name = "reset", .gpio = 1 << 2 },
459 { .name = "ses", .gpio = 1 << 3 },
460 },
461 .leds = {
462 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
463 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
464 },
465 },
466 [WL520GU] = {
467 .name = "ASUS WL-520gU",
468 .buttons = {
469 { .name = "reset", .gpio = 1 << 2 },
470 { .name = "ses", .gpio = 1 << 3 },
471 },
472 .leds = {
473 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
474 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
475 },
476 },
477 [ASUS_4702] = {
478 .name = "ASUS (unknown, BCM4702)",
479 .buttons = {
480 { .name = "reset", .gpio = 1 << 6 },
481 },
482 .leds = {
483 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
484 },
485 },
486 [WL700GE] = {
487 .name = "ASUS WL-700gE",
488 .buttons = {
489 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
490 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
491 { .name = "power", .gpio = 1 << 0 }, // on front
492 { .name = "copy", .gpio = 1 << 6 }, // on front
493 },
494 .leds = {
495 #if 0
496 // GPIO that controls power led also enables/disables some essential functions
497 // - power to HDD
498 // - switch leds
499 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
500 #endif
501 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
502 },
503 .platform_init = bcm4780_init,
504 },
505 /* Buffalo */
506 [WHR_G54S] = {
507 .name = "Buffalo WHR-G54S",
508 .buttons = {
509 { .name = "reset", .gpio = 1 << 4 },
510 { .name = "bridge", .gpio = 1 << 5 },
511 { .name = "ses", .gpio = 1 << 0 },
512 },
513 .leds = {
514 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
515 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
516 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
517 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
518 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
519 },
520 },
521 [WBR2_G54] = {
522 .name = "Buffalo WBR2-G54",
523 /* FIXME: verify */
524 .buttons = {
525 { .name = "reset", .gpio = 1 << 7 },
526 },
527 .leds = {
528 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
529 },
530 },
531 [WHR_HP_G54] = {
532 .name = "Buffalo WHR-HP-G54",
533 .buttons = {
534 { .name = "reset", .gpio = 1 << 4 },
535 { .name = "bridge", .gpio = 1 << 5 },
536 { .name = "ses", .gpio = 1 << 0 },
537 },
538 .leds = {
539 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
540 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
541 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
542 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
543 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
544 },
545 },
546 [WHR_G125] = {
547 .name = "Buffalo WHR-G125",
548 .buttons = {
549 { .name = "reset", .gpio = 1 << 4 },
550 { .name = "bridge", .gpio = 1 << 5 },
551 { .name = "ses", .gpio = 1 << 0 },
552 },
553 .leds = {
554 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
555 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
556 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
557 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
558 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
559 },
560 },
561 [WHR2_A54G54] = {
562 .name = "Buffalo WHR2-A54G54",
563 .buttons = {
564 { .name = "reset", .gpio = 1 << 4 },
565 },
566 .leds = {
567 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
568 },
569 },
570 [WLA2_G54L] = {
571 .name = "Buffalo WLA2-G54L",
572 /* FIXME: verify */
573 .buttons = {
574 { .name = "reset", .gpio = 1 << 7 },
575 },
576 .leds = {
577 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
578 },
579 },
580 [WZR_G300N] = {
581 .name = "Buffalo WZR-G300N",
582 .buttons = {
583 { .name = "reset", .gpio = 1 << 4 },
584 },
585 .leds = {
586 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
587 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
588 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
589 },
590 },
591 [WZR_RS_G54] = {
592 .name = "Buffalo WZR-RS-G54",
593 .buttons = {
594 { .name = "ses", .gpio = 1 << 0 },
595 { .name = "reset", .gpio = 1 << 4 },
596 },
597 .leds = {
598 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
599 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
600 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
601 },
602 },
603 [WZR_RS_G54HP] = {
604 .name = "Buffalo WZR-RS-G54HP",
605 .buttons = {
606 { .name = "ses", .gpio = 1 << 0 },
607 { .name = "reset", .gpio = 1 << 4 },
608 },
609 .leds = {
610 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
611 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
612 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
613 },
614 },
615 [BUFFALO_UNKNOWN] = {
616 .name = "Buffalo (unknown)",
617 .buttons = {
618 { .name = "reset", .gpio = 1 << 7 },
619 },
620 .leds = {
621 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
622 },
623 },
624 [BUFFALO_UNKNOWN_4710] = {
625 .name = "Buffalo (unknown, BCM4710)",
626 .buttons = {
627 { .name = "reset", .gpio = 1 << 4 },
628 },
629 .leds = {
630 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
631 },
632 },
633 /* Siemens */
634 [SE505V1] = {
635 .name = "Siemens SE505 V1",
636 .buttons = {
637 /* No usable buttons */
638 },
639 .leds = {
640 // { .name = "power", .gpio = 1 << 0 .polarity = REVERSE }, // Usable when retrofitting D26 (?)
641 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE }, // actual name WWW
642 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
643 },
644 },
645 [SE505V2] = {
646 .name = "Siemens SE505 V2",
647 .buttons = {
648 /* No usable buttons */
649 },
650 .leds = {
651 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
652 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE }, // actual name WWW
653 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
654 },
655 },
656 /* US Robotics */
657 [USR5461] = {
658 .name = "U.S. Robotics USR5461",
659 .buttons = {
660 /* No usable buttons */
661 },
662 .leds = {
663 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
664 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
665 },
666 },
667 /* Dell */
668 [TM2300] = {
669 .name = "Dell TrueMobile 2300",
670 .buttons = {
671 { .name = "reset", .gpio = 1 << 0 },
672 },
673 .leds = {
674 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
675 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
676 },
677 },
678 [TM2300V2] = {
679 .name = "Dell TrueMobile 2300 v2",
680 .buttons = {
681 { .name = "reset", .gpio = 1 << 0 },
682 },
683 .leds = {
684 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
685 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
686 },
687 },
688 /* Motorola */
689 [WE800G] = {
690 .name = "Motorola WE800G",
691 .buttons = {
692 { .name = "reset", .gpio = 1 << 0 },
693 },
694 .leds = {
695 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
696 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
697 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
698 },
699 },
700 [WR850GV1] = {
701 .name = "Motorola WR850G V1",
702 .buttons = {
703 { .name = "reset", .gpio = 1 << 0 },
704 },
705 .leds = {
706 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
707 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
708 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
709 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
710 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
711 },
712 },
713 [WR850GV2V3] = {
714 .name = "Motorola WR850G V2/V3",
715 .buttons = {
716 { .name = "reset", .gpio = 1 << 5 },
717 },
718 .leds = {
719 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
720 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
721 { .name = "wan", .gpio = 1 << 6, .polarity = INPUT },
722 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
723 },
724 },
725 [WR850GP] = {
726 .name = "Motorola WR850GP",
727 .buttons = {
728 { .name = "reset", .gpio = 1 << 5 },
729 },
730 .leds = {
731 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
732 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
733 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
734 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
735 },
736 },
737
738 /* Belkin */
739 [BELKIN_UNKNOWN] = {
740 .name = "Belkin (unknown)",
741 /* FIXME: verify & add detection */
742 .buttons = {
743 { .name = "reset", .gpio = 1 << 7 },
744 },
745 .leds = {
746 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
747 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
748 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
749 },
750 },
751 /* Netgear */
752 [WGT634U] = {
753 .name = "Netgear WGT634U",
754 .buttons = {
755 { .name = "reset", .gpio = 1 << 2 },
756 },
757 .leds = {
758 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
759 },
760 },
761 [WNR834BV2] = {
762 .name = "Netgear WNR834B V2",
763 .buttons = {
764 { .name = "reset", .gpio = 1 << 6 },
765 },
766 .leds = {
767 { .name = "power", .gpio = 1 << 2, .polarity = NORMAL },
768 { .name = "diag", .gpio = 1 << 3, .polarity = NORMAL },
769 { .name = "connected", .gpio = 1 << 7, .polarity = NORMAL },
770 },
771 },
772 /* Trendware */
773 [TEW411BRPP] = {
774 .name = "Trendware TEW411BRP+",
775 .buttons = {
776 { /* No usable buttons */ },
777 },
778 .leds = {
779 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
780 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
781 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
782 },
783 },
784 /* SimpleTech */
785 [STI_NAS] = {
786 .name = "SimpleTech SimpleShare NAS",
787 .buttons = {
788 { .name = "reset", .gpio = 1 << 0 }, // Power button on back, named reset to enable failsafe.
789 },
790 .leds = {
791 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
792 },
793 .platform_init = bcm4780_init,
794 },
795 /* D-Link */
796 [DIR130] = {
797 .name = "D-Link DIR-130",
798 .buttons = {
799 { .name = "reset", .gpio = 1 << 3},
800 { .name = "reserved", .gpio = 1 << 7},
801 },
802 .leds = {
803 { .name = "diag", .gpio = 1 << 0},
804 { .name = "blue", .gpio = 1 << 6},
805 },
806 },
807 [DIR320] = {
808 .name = "D-Link DIR-320",
809 .buttons = {
810 { .name = "reserved", .gpio = 1 << 6},
811 { .name = "reset", .gpio = 1 << 7},
812 },
813 .leds = {
814 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
815 { .name = "diag", .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
816 { .name = "red", .gpio = 1 << 3, .polarity = REVERSE },
817 { .name = "blue", .gpio = 1 << 4, .polarity = REVERSE },
818 { .name = "usb", .gpio = 1 << 5, .polarity = NORMAL },
819 },
820 },
821 [DIR330] = {
822 .name = "D-Link DIR-330",
823 .buttons = {
824 { .name = "reset", .gpio = 1 << 3},
825 { .name = "reserved", .gpio = 1 << 7},
826 },
827 .leds = {
828 { .name = "diag", .gpio = 1 << 0},
829 { .name = "usb", .gpio = 1 << 4},
830 { .name = "blue", .gpio = 1 << 6},
831 },
832 },
833 [DWL3150] = {
834 .name = "D-Link DWL-3150",
835 .buttons = {
836 { .name = "reset", .gpio = 1 << 7},
837 },
838 .leds = {
839 { .name = "diag", .gpio = 1 << 2},
840 { .name = "status", .gpio = 1 << 1},
841 },
842 },
843 /* Double check */
844 [WL105B] = {
845 .name = "Sitecom WL-105b",
846 .buttons = {
847 { .name = "reset", .gpio = 1 << 10},
848 },
849 .leds = {
850 { .name = "wlan", .gpio = 1 << 4},
851 { .name = "power", .gpio = 1 << 3},
852 },
853 },
854 /* Western Digital Net Center */
855 [WDNetCenter] = {
856 .name = "Western Digital NetCenter",
857 .buttons = {
858 { .name = "power", .gpio = 1 << 0},
859 { .name = "reset", .gpio = 1 << 7},
860 },
861 .platform_init = NetCenter_init,
862 },
863 /* Askey (and clones) */
864 [RT210W] = {
865 .name = "Askey RT210W",
866 .buttons = {
867 /* Power button is hard-wired to hardware reset */
868 /* but is also connected to GPIO 7 (probably for bootloader recovery) */
869 { .name = "power", .gpio = 1 << 7},
870 },
871 .leds = {
872 /* These were verified and named based on Belkin F5D4230-4 v1112 */
873 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
874 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
875 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
876 },
877 },
878 [WL1600GL] = {
879 .name = "OvisLink WL-1600GL",
880 .buttons = {
881 { .name = "reset", .gpio = 1 << 3 },
882 { .name = "ses", .gpio = 1 << 4 },
883 },
884 .leds = {
885 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
886 { .name = "wps", .gpio = 1 << 2, .polarity = REVERSE },
887 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
888 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
889 },
890 },
891 /* Microsoft */
892 [MN700] = {
893 .name = "Microsoft MN-700",
894 .buttons = {
895 { .name = "reset", .gpio = 1 << 7 },
896 },
897 .leds = {
898 { .name = "power", .gpio = 1 << 6, .polarity = NORMAL },
899 },
900 },
901 /* Edimax */
902 [PS1208MFG] = {
903 .name = "Edimax PS-1208MFG",
904 .buttons = {
905 { .name = "reset", .gpio = 1 << 4 },
906 },
907 .leds = {
908 { .name = "status", .gpio = 1 << 1, .polarity = NORMAL },
909 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
910 },
911 },
912 };
913
914 static struct platform_t __init *platform_detect(void)
915 {
916 char *boardnum, *boardtype, *buf;
917
918 if (strcmp(getvar("nvram_type"), "cfe") == 0)
919 return &platforms[WGT634U];
920
921 /* Look for a model identifier */
922
923 /* Based on "model_name" */
924 if ((buf = nvram_get("model_name"))) {
925 if (!strcmp(buf, "DIR-130"))
926 return &platforms[DIR130];
927 if (!strcmp(buf, "DIR-330"))
928 return &platforms[DIR330];
929 }
930
931 /* Based on "wsc_modelname */
932 if ((buf = nvram_get("wsc_modelname"))) {
933 if (!strcmp(buf, "WRT610N"))
934 return &platforms[WRT610N];
935 }
936
937 /* Based on "model_no" */
938 if ((buf = nvram_get("model_no"))) {
939 if (startswith(buf,"WL700")) /* WL700* */
940 return &platforms[WL700GE];
941 }
942
943 /* Based on "hardware_version" */
944 if ((buf = nvram_get("hardware_version"))) {
945 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
946 return &platforms[WL500GPV2];
947 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
948 return &platforms[WL520GC];
949 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
950 return &platforms[WL520GU];
951 if (startswith(buf,"WL330GE-")) /* WL330GE-* */
952 return &platforms[WL330GE];
953 }
954
955 /* Based on "ModelId" */
956 if ((buf = nvram_get("ModelId"))) {
957 if (!strcmp(buf, "WR850GP"))
958 return &platforms[WR850GP];
959 if (!strcmp(buf, "WR850G"))
960 return &platforms[WR850GV2V3];
961 if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
962 return &platforms[TM2300]; /* Dell TrueMobile 2300 */
963 if (startswith(buf,"WE800G")) /* WE800G* */
964 return &platforms[WE800G];
965 }
966
967 /* Buffalo */
968 if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
969 /* Buffalo hardware, check id for specific hardware matches */
970 if (!strcmp(buf, "29bb0332"))
971 return &platforms[WBR2_G54];
972 if (!strcmp(buf, "29129"))
973 return &platforms[WLA2_G54L];
974 if (!strcmp(buf, "30189"))
975 return &platforms[WHR_HP_G54];
976 if (!strcmp(buf, "32093"))
977 return &platforms[WHR_G125];
978 if (!strcmp(buf, "30182"))
979 return &platforms[WHR_G54S];
980 if (!strcmp(buf, "290441dd"))
981 return &platforms[WHR2_A54G54];
982 if (!strcmp(buf, "31120"))
983 return &platforms[WZR_G300N];
984 if (!strcmp(buf, "30083"))
985 return &platforms[WZR_RS_G54];
986 if (!strcmp(buf, "30103"))
987 return &platforms[WZR_RS_G54HP];
988 }
989
990 /* no easy model number, attempt to guess */
991 boardnum = getvar("boardnum");
992 boardtype = getvar("boardtype");
993
994 if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N v1/V1.1 */
995 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
996 return &platforms[WRT600NV11];
997
998 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
999 return &platforms[WRT600N];
1000 }
1001
1002 if (startswith(getvar("pmon_ver"), "CFE")) {
1003 /* CFE based - newer hardware */
1004 if (!strcmp(boardnum, "42")) { /* Linksys */
1005 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("boot_hw_model"), "WRT300N") && !strcmp(getvar("boot_hw_ver"), "1.1"))
1006 return &platforms[WRT300NV11];
1007
1008 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
1009 return &platforms[WRT350N];
1010
1011 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
1012 return &platforms[WRT54G3G];
1013
1014 if (!strcmp(boardtype, "0x042f") && !strcmp(getvar("model_name"), "WRT54G3GV2-VF"))
1015 return &platforms[WRT54G3GV2_VF];
1016
1017 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
1018 return &platforms[WRTSL54GS];
1019
1020 if (!strcmp(boardtype, "0x0472"))
1021 return &platforms[WRT160N];
1022
1023 /* default to WRT54G */
1024 return &platforms[WRT54G];
1025 }
1026 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1027 return &platforms[WAP54GV2];
1028
1029 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1030 return &platforms[WL1600GL];
1031
1032
1033 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1034 if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1035 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1036 }
1037
1038 if (!strcmp(boardnum, "45")) { /* ASUS */
1039 if (!strcmp(boardtype,"0x042f"))
1040 return &platforms[WL500GP];
1041 else if (!strcmp(boardtype,"0x0472"))
1042 return &platforms[WL500W];
1043 else if (!strcmp(boardtype,"0x467"))
1044 return &platforms[WL320GE];
1045 else
1046 return &platforms[WL500GD];
1047 }
1048
1049 if (!strcmp(boardnum, "10496"))
1050 return &platforms[USR5461];
1051
1052 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1053 return &platforms[SE505V2];
1054
1055 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1056 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1057 return &platforms[DIR320];
1058
1059 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1060 return &platforms[WDNetCenter];
1061 }
1062
1063 if ((!strcmp(boardnum, "08") || !strcmp(boardnum, "01")) &&
1064 !strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B V1 and V2*/
1065 /* TODO: Check for version. Default platform is V2 for now. */
1066 return &platforms[WNR834BV2];
1067 }
1068
1069 } else { /* PMON based - old stuff */
1070 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1071 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1072 return &platforms[WR850GV1];
1073 }
1074 if (startswith(boardtype, "bcm94710dev")) {
1075 if (!strcmp(boardnum, "42"))
1076 return &platforms[WRT54GV1];
1077 if (simple_strtoul(boardnum, NULL, 0) == 2)
1078 return &platforms[WAP54GV1];
1079 }
1080 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1081 if (startswith(getvar("hardware_version"), "WL500-")) {
1082 if (!strcmp(getvar("boardnum"), "mn700"))
1083 return &platforms[MN700];
1084 else
1085 return &platforms[WL500G];
1086 }
1087 if (startswith(getvar("hardware_version"), "WL300-")) {
1088 /* Either WL-300g or WL-HDD, do more extensive checks */
1089 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1090 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
1091 return &platforms[WLHDD];
1092 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1093 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
1094 return &platforms[WL300G];
1095 }
1096 /* Sitecom WL-105b */
1097 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1098 return &platforms[WL105B];
1099
1100 /* unknown asus stuff, probably bcm4702 */
1101 if (startswith(boardnum, "asusX"))
1102 return &platforms[ASUS_4702];
1103
1104 /* bcm4702 based Askey RT210W clones, Including:
1105 * Askey RT210W (duh?)
1106 * Siemens SE505v1
1107 * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1108 */
1109 if (!strcmp(boardtype,"bcm94710r4")
1110 && !strcmp(boardnum ,"100")
1111 && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1112 ){
1113 return &platforms[RT210W];
1114 }
1115 }
1116
1117 if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
1118 if (startswith(boardtype, "bcm94710ap"))
1119 return &platforms[BUFFALO_UNKNOWN_4710];
1120 else
1121 return &platforms[BUFFALO_UNKNOWN];
1122 }
1123
1124 if (startswith(getvar("CFEver"), "MotoWRv2") ||
1125 startswith(getvar("CFEver"), "MotoWRv3") ||
1126 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1127
1128 return &platforms[WR850GV2V3];
1129 }
1130
1131 if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
1132 return &platforms[TEW411BRPP];
1133 }
1134
1135 if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1136 return &platforms[STI_NAS];
1137
1138 if (!strcmp(boardnum, "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1139 return &platforms[DWL3150];
1140
1141 if (!strcmp(boardnum, "01") && !strcmp(boardtype, "0x048e") && /* Edimax PS1208MFG */
1142 !strcmp(getvar("status_gpio"), "1")) /* gpio based detection */
1143 return &platforms[PS1208MFG];
1144
1145 /* not found */
1146 return NULL;
1147 }
1148
1149 static void register_buttons(struct button_t *b)
1150 {
1151 for (; b->name; b++)
1152 platform.button_mask |= b->gpio;
1153
1154 platform.button_mask &= ~gpiomask;
1155
1156 gpio_outen(platform.button_mask, 0);
1157 gpio_control(platform.button_mask, 0);
1158 platform.button_polarity = gpio_in() & platform.button_mask;
1159 gpio_intpolarity(platform.button_mask, platform.button_polarity);
1160 gpio_setintmask(platform.button_mask, platform.button_mask);
1161
1162 gpio_set_irqenable(1, button_handler);
1163 }
1164
1165 static void unregister_buttons(struct button_t *b)
1166 {
1167 gpio_setintmask(platform.button_mask, 0);
1168
1169 gpio_set_irqenable(0, button_handler);
1170 }
1171
1172
1173 static void add_msg(struct event_t *event, char *msg, int argv)
1174 {
1175 char *s;
1176
1177 if (argv)
1178 return;
1179
1180 s = skb_put(event->skb, strlen(msg) + 1);
1181 strcpy(s, msg);
1182 }
1183
1184 static void hotplug_button(struct work_struct *work)
1185 {
1186 struct event_t *event = container_of(work, struct event_t, wq);
1187 char *s;
1188
1189 event->skb = alloc_skb(2048, GFP_KERNEL);
1190
1191 s = skb_put(event->skb, strlen(event->action) + 2);
1192 sprintf(s, "%s@", event->action);
1193 fill_event(event);
1194
1195 NETLINK_CB(event->skb).dst_group = 1;
1196 broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1197
1198 kfree(event);
1199 }
1200
1201
1202 static int fill_event (struct event_t *event)
1203 {
1204 static char buf[128];
1205
1206 add_msg(event, "HOME=/", 0);
1207 add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1208 add_msg(event, "SUBSYSTEM=button", 0);
1209 snprintf(buf, 128, "ACTION=%s", event->action);
1210 add_msg(event, buf, 0);
1211 snprintf(buf, 128, "BUTTON=%s", event->name);
1212 add_msg(event, buf, 0);
1213 snprintf(buf, 128, "SEEN=%ld", event->seen);
1214 add_msg(event, buf, 0);
1215 snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1216 add_msg(event, buf, 0);
1217
1218 return 0;
1219 }
1220
1221
1222 static irqreturn_t button_handler(int irq, void *dev_id)
1223 {
1224 struct button_t *b;
1225 u32 in, changed;
1226
1227 in = gpio_in() & platform.button_mask;
1228 gpio_intpolarity(platform.button_mask, in);
1229 changed = platform.button_polarity ^ in;
1230 platform.button_polarity = in;
1231
1232 changed &= ~gpio_outen(0, 0);
1233
1234 for (b = platform.buttons; b->name; b++) {
1235 struct event_t *event;
1236
1237 if (!(b->gpio & changed)) continue;
1238
1239 b->pressed ^= 1;
1240
1241 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1242 event->seen = (jiffies - b->seen)/HZ;
1243 event->name = b->name;
1244 event->action = b->pressed ? "pressed" : "released";
1245 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1246 schedule_work(&event->wq);
1247 }
1248
1249 b->seen = jiffies;
1250 }
1251 return IRQ_HANDLED;
1252 }
1253
1254 static void register_leds(struct led_t *l)
1255 {
1256 struct proc_dir_entry *p;
1257 u32 mask = 0;
1258 u32 oe_mask = 0;
1259 u32 val = 0;
1260
1261 leds = proc_mkdir("led", diag);
1262 if (!leds)
1263 return;
1264
1265 for(; l->name; l++) {
1266 if (l->gpio & gpiomask)
1267 continue;
1268
1269 if (l->gpio & GPIO_TYPE_EXTIF) {
1270 l->state = 0;
1271 set_led_extif(l);
1272 } else {
1273 if (l->polarity != INPUT) oe_mask |= l->gpio;
1274 mask |= l->gpio;
1275 val |= (l->polarity == NORMAL)?0:l->gpio;
1276 }
1277
1278 if (l->polarity == INPUT) continue;
1279
1280 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1281 l->proc.type = PROC_LED;
1282 l->proc.ptr = l;
1283 p->data = (void *) &l->proc;
1284 p->proc_fops = &diag_proc_fops;
1285 }
1286 }
1287
1288 gpio_outen(mask, oe_mask);
1289 gpio_control(mask, 0);
1290 gpio_out(mask, val);
1291 gpio_setintmask(mask, 0);
1292 }
1293
1294 static void unregister_leds(struct led_t *l)
1295 {
1296 for(; l->name; l++)
1297 remove_proc_entry(l->name, leds);
1298
1299 remove_proc_entry("led", diag);
1300 }
1301
1302 static void set_led_extif(struct led_t *led)
1303 {
1304 gpio_set_extif(led->gpio, led->state);
1305 }
1306
1307 static void led_flash(unsigned long dummy) {
1308 struct led_t *l;
1309 u32 mask = 0;
1310 u8 extif_blink = 0;
1311
1312 for (l = platform.leds; l->name; l++) {
1313 if (l->flash) {
1314 if (l->gpio & GPIO_TYPE_EXTIF) {
1315 extif_blink = 1;
1316 l->state = !l->state;
1317 set_led_extif(l);
1318 } else {
1319 mask |= l->gpio;
1320 }
1321 }
1322 }
1323
1324 mask &= ~gpiomask;
1325 if (mask) {
1326 u32 val = ~gpio_in();
1327
1328 gpio_outen(mask, mask);
1329 gpio_control(mask, 0);
1330 gpio_out(mask, val);
1331 }
1332 if (mask || extif_blink) {
1333 mod_timer(&led_timer, jiffies + FLASH_TIME);
1334 }
1335 }
1336
1337 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1338 {
1339 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1340 char *page;
1341 int len = 0;
1342
1343 if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1344 return -ENOBUFS;
1345
1346 if (dent->data != NULL) {
1347 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1348 switch (handler->type) {
1349 case PROC_LED: {
1350 struct led_t * led = (struct led_t *) handler->ptr;
1351 if (led->flash) {
1352 len = sprintf(page, "f\n");
1353 } else {
1354 if (led->gpio & GPIO_TYPE_EXTIF) {
1355 len = sprintf(page, "%d\n", led->state);
1356 } else {
1357 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1358 u8 p = (led->polarity == NORMAL ? 0 : 1);
1359 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1360 }
1361 }
1362 break;
1363 }
1364 case PROC_MODEL:
1365 len = sprintf(page, "%s\n", platform.name);
1366 break;
1367 case PROC_GPIOMASK:
1368 len = sprintf(page, "0x%04x\n", gpiomask);
1369 break;
1370 }
1371 }
1372 len += 1;
1373
1374 if (*ppos < len) {
1375 len = min_t(int, len - *ppos, count);
1376 if (copy_to_user(buf, (page + *ppos), len)) {
1377 kfree(page);
1378 return -EFAULT;
1379 }
1380 *ppos += len;
1381 } else {
1382 len = 0;
1383 }
1384
1385 kfree(page);
1386 return len;
1387 }
1388
1389
1390 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1391 {
1392 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1393 char *page;
1394 int ret = -EINVAL;
1395
1396 if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1397 return -ENOBUFS;
1398
1399 if (copy_from_user(page, buf, count)) {
1400 kfree(page);
1401 return -EINVAL;
1402 }
1403 page[count] = 0;
1404
1405 if (dent->data != NULL) {
1406 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1407 switch (handler->type) {
1408 case PROC_LED: {
1409 struct led_t *led = (struct led_t *) handler->ptr;
1410 int p = (led->polarity == NORMAL ? 0 : 1);
1411
1412 if (page[0] == 'f') {
1413 led->flash = 1;
1414 led_flash(0);
1415 } else {
1416 led->flash = 0;
1417 if (led->gpio & GPIO_TYPE_EXTIF) {
1418 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1419 set_led_extif(led);
1420 } else {
1421 gpio_outen(led->gpio, led->gpio);
1422 gpio_control(led->gpio, 0);
1423 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1424 }
1425 }
1426 break;
1427 }
1428 case PROC_GPIOMASK:
1429 gpiomask = simple_strtoul(page, NULL, 0);
1430
1431 if (platform.buttons) {
1432 unregister_buttons(platform.buttons);
1433 register_buttons(platform.buttons);
1434 }
1435
1436 if (platform.leds) {
1437 unregister_leds(platform.leds);
1438 register_leds(platform.leds);
1439 }
1440 break;
1441 }
1442 ret = count;
1443 }
1444
1445 kfree(page);
1446 return ret;
1447 }
1448
1449 static int __init diag_init(void)
1450 {
1451 static struct proc_dir_entry *p;
1452 static struct platform_t *detected;
1453
1454 detected = platform_detect();
1455 if (!detected) {
1456 printk(MODULE_NAME ": Router model not detected.\n");
1457 return -ENODEV;
1458 }
1459 memcpy(&platform, detected, sizeof(struct platform_t));
1460
1461 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1462 if (platform.platform_init != NULL) {
1463 platform.platform_init();
1464 }
1465
1466 if (!(diag = proc_mkdir("diag", NULL))) {
1467 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1468 return -EINVAL;
1469 }
1470
1471 if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1472 p->data = (void *) &proc_model;
1473 p->proc_fops = &diag_proc_fops;
1474 }
1475
1476 if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1477 p->data = (void *) &proc_gpiomask;
1478 p->proc_fops = &diag_proc_fops;
1479 }
1480
1481 if (platform.buttons)
1482 register_buttons(platform.buttons);
1483
1484 if (platform.leds)
1485 register_leds(platform.leds);
1486
1487 return 0;
1488 }
1489
1490 static void __exit diag_exit(void)
1491 {
1492 del_timer(&led_timer);
1493
1494 if (platform.buttons)
1495 unregister_buttons(platform.buttons);
1496
1497 if (platform.leds)
1498 unregister_leds(platform.leds);
1499
1500 remove_proc_entry("model", diag);
1501 remove_proc_entry("gpiomask", diag);
1502 remove_proc_entry("diag", NULL);
1503 }
1504
1505 module_init(diag_init);
1506 module_exit(diag_exit);
1507
1508 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1509 MODULE_LICENSE("GPL");
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