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ar71xx: fix AR934X clock frequency calculation
[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 WNR834BV1,
114 WNR834BV2,
115
116 /* Trendware */
117 TEW411BRPP,
118
119 /* SimpleTech */
120 STI_NAS,
121
122 /* D-Link */
123 DIR130,
124 DIR320,
125 DIR330,
126 DWL3150,
127
128 /* Sitecom */
129 WL105B,
130
131 /* Western Digital */
132 WDNetCenter,
133
134 /* Askey */
135 RT210W,
136
137 /* OvisLink */
138 WL1600GL,
139
140 /* Microsoft */
141 MN700,
142
143 /* Edimax */
144 PS1208MFG,
145 };
146
147 static void __init bcm4780_init(void) {
148 int pin = 1 << 3;
149
150 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
151 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
152 gpio_outen(pin, pin);
153 gpio_control(pin, 0);
154 gpio_out(pin, pin);
155
156 /* Wait 5s, so the HDD can spin up */
157 set_current_state(TASK_INTERRUPTIBLE);
158 schedule_timeout(HZ * 5);
159 }
160
161 static void __init NetCenter_init(void) {
162 /* unset pin 6 (+12V) */
163 int pin = 1 << 6;
164 gpio_outen(pin, pin);
165 gpio_control(pin, 0);
166 gpio_out(pin, pin);
167 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
168 pin = 1 << 1;
169 gpio_outen(pin, pin);
170 gpio_control(pin, 0);
171 gpio_out(pin, pin);
172 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
173 bcm4780_init();
174 }
175
176 static void __init bcm57xx_init(void) {
177 int pin = 1 << 2;
178
179 /* FIXME: switch comes up, but port mappings/vlans not right */
180 gpio_outen(pin, pin);
181 gpio_control(pin, 0);
182 gpio_out(pin, pin);
183 }
184
185 static struct platform_t __initdata platforms[] = {
186 /* Linksys */
187 [WAP54GV1] = {
188 .name = "Linksys WAP54G V1",
189 .buttons = {
190 { .name = "reset", .gpio = 1 << 0 },
191 },
192 .leds = {
193 { .name = "diag", .gpio = 1 << 3 },
194 { .name = "wlan", .gpio = 1 << 4 },
195 },
196 },
197 [WAP54GV2] = {
198 .name = "Linksys WAP54G V2",
199 .buttons = {
200 { .name = "reset", .gpio = 1 << 0 },
201 },
202 .leds = {
203 { .name = "wlan", .gpio = 1 << 5, .polarity = REVERSE },
204 /* GPIO 6 is b44 (eth0, LAN) PHY power */
205 },
206 },
207 [WAP54GV3] = {
208 .name = "Linksys WAP54G V3",
209 .buttons = {
210 /* FIXME: verify this */
211 { .name = "reset", .gpio = 1 << 7 },
212 { .name = "ses", .gpio = 1 << 0 },
213 },
214 .leds = {
215 /* FIXME: diag? */
216 { .name = "ses", .gpio = 1 << 1 },
217 },
218 },
219 [WRT54GV1] = {
220 .name = "Linksys WRT54G V1.x",
221 .buttons = {
222 { .name = "reset", .gpio = 1 << 6 },
223 },
224 .leds = {
225 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
226 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
227 },
228 },
229 [WRT54G] = {
230 .name = "Linksys WRT54G/GS/GL",
231 .buttons = {
232 { .name = "reset", .gpio = 1 << 6 },
233 { .name = "ses", .gpio = 1 << 4 },
234 },
235 .leds = {
236 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
237 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
238 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
239 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
240 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
241 },
242 },
243 [WRTSL54GS] = {
244 .name = "Linksys WRTSL54GS",
245 .buttons = {
246 { .name = "reset", .gpio = 1 << 6 },
247 { .name = "ses", .gpio = 1 << 4 },
248 },
249 .leds = {
250 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
251 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
252 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
253 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
254 },
255 },
256 [WRT54G3G] = {
257 .name = "Linksys WRT54G3G",
258 .buttons = {
259 { .name = "reset", .gpio = 1 << 6 },
260 { .name = "3g", .gpio = 1 << 4 },
261 },
262 .leds = {
263 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
264 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
265 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
266 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
267 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
268 },
269 },
270 [WRT54G3GV2_VF] = {
271 .name = "Linksys WRT54G3GV2-VF",
272 .buttons = {
273 { .name = "reset", .gpio = 1 << 6 },
274 { .name = "3g", .gpio = 1 << 5 },
275 },
276 .leds = {
277 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
278 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
279 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
280 },
281 },
282 [WRT160N] = {
283 .name = "Linksys WRT160N",
284 .buttons = {
285 { .name = "reset", .gpio = 1 << 6 },
286 { .name = "ses", .gpio = 1 << 4 },
287 },
288 .leds = {
289 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
290 { .name = "ses_blue", .gpio = 1 << 5, .polarity = REVERSE },
291 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
292 },
293 },
294 [WRT300NV11] = {
295 .name = "Linksys WRT300N V1.1",
296 .buttons = {
297 { .name = "reset", .gpio = 1 << 6 }, // "Reset" on back panel
298 { .name = "ses", .gpio = 1 << 4 }, // "Reserved" on top panel
299 },
300 .leds = {
301 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // "Power"
302 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
303 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
304 },
305 .platform_init = bcm57xx_init,
306 },
307 [WRT350N] = {
308 .name = "Linksys WRT350N",
309 .buttons = {
310 { .name = "reset", .gpio = 1 << 6 },
311 { .name = "ses", .gpio = 1 << 8 },
312 },
313 .leds = {
314 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
315 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
316 { .name = "ses_green", .gpio = 1 << 9, .polarity = REVERSE },
317 { .name = "usb_blink", .gpio = 1 << 10, .polarity = REVERSE },
318 { .name = "usb", .gpio = 1 << 11, .polarity = REVERSE },
319 },
320 .platform_init = bcm57xx_init,
321 },
322 [WRT600N] = {
323 .name = "Linksys WRT600N",
324 .buttons = {
325 { .name = "reset", .gpio = 1 << 6 },
326 { .name = "ses", .gpio = 1 << 7 },
327 },
328 .leds = {
329 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
330 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
331 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
332 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
333 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
334 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
335 },
336 .platform_init = bcm57xx_init,
337 },
338 [WRT600NV11] = {
339 .name = "Linksys WRT600N V1.1",
340 .buttons = {
341 { .name = "reset", .gpio = 1 << 6 },
342 { .name = "ses", .gpio = 1 << 7 },
343 },
344 .leds = {
345 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
346 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
347 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
348 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
349 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
350 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
351 },
352 .platform_init = bcm57xx_init,
353 },
354 [WRT610N] = {
355 .name = "Linksys WRT610N",
356 .buttons = {
357 { .name = "reset", .gpio = 1 << 6 },
358 { .name = "ses", .gpio = 1 << 8 },
359 },
360 .leds = {
361 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // Power LED
362 { .name = "usb", .gpio = 1 << 0, .polarity = REVERSE }, // USB LED
363 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED amber
364 { .name = "ses_blue", .gpio = 1 << 9, .polarity = REVERSE }, // WiFi protected setup LED blue
365 },
366 },
367 /* Asus */
368 [WLHDD] = {
369 .name = "ASUS WL-HDD",
370 .buttons = {
371 { .name = "reset", .gpio = 1 << 6 },
372 },
373 .leds = {
374 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
375 { .name = "usb", .gpio = 1 << 2, .polarity = REVERSE },
376 },
377 },
378 [WL300G] = {
379 .name = "ASUS WL-300g",
380 .buttons = {
381 { .name = "reset", .gpio = 1 << 6 },
382 },
383 .leds = {
384 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
385 },
386 },
387 [WL320GE] = {
388 .name = "ASUS WL-320gE/WL-320gP",
389 .buttons = {
390 { .name = "reset", .gpio = 1 << 6 },
391 },
392 .leds = {
393 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
394 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE },
395 { .name = "link", .gpio = 1 << 11, .polarity = REVERSE },
396 },
397 },
398 [WL330GE] = {
399 .name = "ASUS WL-330gE",
400 .buttons = {
401 { .name = "reset", .gpio = 1 << 2 },
402 },
403 .leds = {
404 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
405 },
406 },
407 [WL500G] = {
408 .name = "ASUS WL-500g",
409 .buttons = {
410 { .name = "reset", .gpio = 1 << 6 },
411 },
412 .leds = {
413 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
414 },
415 },
416 [WL500GD] = {
417 .name = "ASUS WL-500g Deluxe",
418 .buttons = {
419 { .name = "reset", .gpio = 1 << 6 },
420 },
421 .leds = {
422 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
423 },
424 },
425 [WL500GP] = {
426 .name = "ASUS WL-500g Premium",
427 .buttons = {
428 { .name = "reset", .gpio = 1 << 0 },
429 { .name = "ses", .gpio = 1 << 4 },
430 },
431 .leds = {
432 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
433 },
434 },
435 [WL500GPV2] = {
436 .name = "ASUS WL-500g Premium V2",
437 .buttons = {
438 { .name = "reset", .gpio = 1 << 2 },
439 { .name = "ses", .gpio = 1 << 3 },
440 },
441 .leds = {
442 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
443 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
444 },
445 },
446 [WL500W] = {
447 .name = "ASUS WL-500W",
448 .buttons = {
449 { .name = "reset", .gpio = 1 << 6 },
450 { .name = "ses", .gpio = 1 << 7 },
451 },
452 .leds = {
453 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
454 },
455 },
456 [WL520GC] = {
457 .name = "ASUS WL-520GC",
458 .buttons = {
459 { .name = "reset", .gpio = 1 << 2 },
460 { .name = "ses", .gpio = 1 << 3 },
461 },
462 .leds = {
463 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
464 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
465 },
466 },
467 [WL520GU] = {
468 .name = "ASUS WL-520gU",
469 .buttons = {
470 { .name = "reset", .gpio = 1 << 2 },
471 { .name = "ses", .gpio = 1 << 3 },
472 },
473 .leds = {
474 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
475 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
476 },
477 },
478 [ASUS_4702] = {
479 .name = "ASUS (unknown, BCM4702)",
480 .buttons = {
481 { .name = "reset", .gpio = 1 << 6 },
482 },
483 .leds = {
484 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
485 },
486 },
487 [WL700GE] = {
488 .name = "ASUS WL-700gE",
489 .buttons = {
490 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
491 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
492 { .name = "power", .gpio = 1 << 0 }, // on front
493 { .name = "copy", .gpio = 1 << 6 }, // on front
494 },
495 .leds = {
496 #if 0
497 // GPIO that controls power led also enables/disables some essential functions
498 // - power to HDD
499 // - switch leds
500 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
501 #endif
502 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
503 },
504 .platform_init = bcm4780_init,
505 },
506 /* Buffalo */
507 [WHR_G54S] = {
508 .name = "Buffalo WHR-G54S",
509 .buttons = {
510 { .name = "reset", .gpio = 1 << 4 },
511 { .name = "bridge", .gpio = 1 << 5 },
512 { .name = "ses", .gpio = 1 << 0 },
513 },
514 .leds = {
515 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
516 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
517 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
518 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
519 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
520 },
521 },
522 [WBR2_G54] = {
523 .name = "Buffalo WBR2-G54",
524 /* FIXME: verify */
525 .buttons = {
526 { .name = "reset", .gpio = 1 << 7 },
527 },
528 .leds = {
529 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
530 },
531 },
532 [WHR_HP_G54] = {
533 .name = "Buffalo WHR-HP-G54",
534 .buttons = {
535 { .name = "reset", .gpio = 1 << 4 },
536 { .name = "bridge", .gpio = 1 << 5 },
537 { .name = "ses", .gpio = 1 << 0 },
538 },
539 .leds = {
540 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
541 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
542 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
543 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
544 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
545 },
546 },
547 [WHR_G125] = {
548 .name = "Buffalo WHR-G125",
549 .buttons = {
550 { .name = "reset", .gpio = 1 << 4 },
551 { .name = "bridge", .gpio = 1 << 5 },
552 { .name = "ses", .gpio = 1 << 0 },
553 },
554 .leds = {
555 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
556 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
557 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
558 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
559 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
560 },
561 },
562 [WHR2_A54G54] = {
563 .name = "Buffalo WHR2-A54G54",
564 .buttons = {
565 { .name = "reset", .gpio = 1 << 4 },
566 },
567 .leds = {
568 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
569 },
570 },
571 [WLA2_G54L] = {
572 .name = "Buffalo WLA2-G54L",
573 /* FIXME: verify */
574 .buttons = {
575 { .name = "reset", .gpio = 1 << 7 },
576 },
577 .leds = {
578 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
579 },
580 },
581 [WZR_G300N] = {
582 .name = "Buffalo WZR-G300N",
583 .buttons = {
584 { .name = "reset", .gpio = 1 << 4 },
585 },
586 .leds = {
587 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
588 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
589 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
590 },
591 },
592 [WZR_RS_G54] = {
593 .name = "Buffalo WZR-RS-G54",
594 .buttons = {
595 { .name = "ses", .gpio = 1 << 0 },
596 { .name = "reset", .gpio = 1 << 4 },
597 },
598 .leds = {
599 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
600 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
601 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
602 },
603 },
604 [WZR_RS_G54HP] = {
605 .name = "Buffalo WZR-RS-G54HP",
606 .buttons = {
607 { .name = "ses", .gpio = 1 << 0 },
608 { .name = "reset", .gpio = 1 << 4 },
609 },
610 .leds = {
611 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
612 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
613 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
614 },
615 },
616 [BUFFALO_UNKNOWN] = {
617 .name = "Buffalo (unknown)",
618 .buttons = {
619 { .name = "reset", .gpio = 1 << 7 },
620 },
621 .leds = {
622 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
623 },
624 },
625 [BUFFALO_UNKNOWN_4710] = {
626 .name = "Buffalo (unknown, BCM4710)",
627 .buttons = {
628 { .name = "reset", .gpio = 1 << 4 },
629 },
630 .leds = {
631 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
632 },
633 },
634 /* Siemens */
635 [SE505V1] = {
636 .name = "Siemens SE505 V1",
637 .buttons = {
638 /* No usable buttons */
639 },
640 .leds = {
641 // { .name = "power", .gpio = 1 << 0 .polarity = REVERSE }, // Usable when retrofitting D26 (?)
642 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE }, // actual name WWW
643 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
644 },
645 },
646 [SE505V2] = {
647 .name = "Siemens SE505 V2",
648 .buttons = {
649 /* No usable buttons */
650 },
651 .leds = {
652 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
653 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE }, // actual name WWW
654 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
655 },
656 },
657 /* US Robotics */
658 [USR5461] = {
659 .name = "U.S. Robotics USR5461",
660 .buttons = {
661 /* No usable buttons */
662 },
663 .leds = {
664 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
665 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
666 },
667 },
668 /* Dell */
669 [TM2300] = {
670 .name = "Dell TrueMobile 2300",
671 .buttons = {
672 { .name = "reset", .gpio = 1 << 0 },
673 },
674 .leds = {
675 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
676 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
677 },
678 },
679 [TM2300V2] = {
680 .name = "Dell TrueMobile 2300 v2",
681 .buttons = {
682 { .name = "reset", .gpio = 1 << 0 },
683 },
684 .leds = {
685 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
686 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
687 },
688 },
689 /* Motorola */
690 [WE800G] = {
691 .name = "Motorola WE800G",
692 .buttons = {
693 { .name = "reset", .gpio = 1 << 0 },
694 },
695 .leds = {
696 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
697 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
698 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
699 },
700 },
701 [WR850GV1] = {
702 .name = "Motorola WR850G V1",
703 .buttons = {
704 { .name = "reset", .gpio = 1 << 0 },
705 },
706 .leds = {
707 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
708 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
709 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
710 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
711 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
712 },
713 },
714 [WR850GV2V3] = {
715 .name = "Motorola WR850G V2/V3",
716 .buttons = {
717 { .name = "reset", .gpio = 1 << 5 },
718 },
719 .leds = {
720 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
721 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
722 { .name = "wan", .gpio = 1 << 6, .polarity = INPUT },
723 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
724 },
725 },
726 [WR850GP] = {
727 .name = "Motorola WR850GP",
728 .buttons = {
729 { .name = "reset", .gpio = 1 << 5 },
730 },
731 .leds = {
732 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
733 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
734 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
735 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
736 },
737 },
738
739 /* Belkin */
740 [BELKIN_UNKNOWN] = {
741 .name = "Belkin (unknown)",
742 /* FIXME: verify & add detection */
743 .buttons = {
744 { .name = "reset", .gpio = 1 << 7 },
745 },
746 .leds = {
747 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
748 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
749 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
750 },
751 },
752 /* Netgear */
753 [WGT634U] = {
754 .name = "Netgear WGT634U",
755 .buttons = {
756 { .name = "reset", .gpio = 1 << 2 },
757 },
758 .leds = {
759 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
760 },
761 },
762 /* Netgear */
763 [WNR834BV1] = {
764 .name = "Netgear WNR834B V1",
765 .buttons = { /* TODO: add reset button and confirm LEDs - GPIO from dd-wrt */ },
766 .leds = {
767 { .name = "power", .gpio = 1 << 4, .polarity = REVERSE },
768 { .name = "diag", .gpio = 1 << 5, .polarity = REVERSE },
769 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
770 },
771 },
772 /* Netgear */
773 [WNR834BV2] = {
774 .name = "Netgear WNR834B V2",
775 .buttons = {
776 { .name = "reset", .gpio = 1 << 6 },
777 },
778 .leds = {
779 { .name = "power", .gpio = 1 << 2, .polarity = NORMAL },
780 { .name = "diag", .gpio = 1 << 3, .polarity = NORMAL },
781 { .name = "connected", .gpio = 1 << 7, .polarity = NORMAL },
782 },
783 },
784 /* Trendware */
785 [TEW411BRPP] = {
786 .name = "Trendware TEW411BRP+",
787 .buttons = {
788 { /* No usable buttons */ },
789 },
790 .leds = {
791 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
792 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
793 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
794 },
795 },
796 /* SimpleTech */
797 [STI_NAS] = {
798 .name = "SimpleTech SimpleShare NAS",
799 .buttons = {
800 { .name = "reset", .gpio = 1 << 0 }, // Power button on back, named reset to enable failsafe.
801 },
802 .leds = {
803 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
804 },
805 .platform_init = bcm4780_init,
806 },
807 /* D-Link */
808 [DIR130] = {
809 .name = "D-Link DIR-130",
810 .buttons = {
811 { .name = "reset", .gpio = 1 << 3},
812 { .name = "reserved", .gpio = 1 << 7},
813 },
814 .leds = {
815 { .name = "diag", .gpio = 1 << 0},
816 { .name = "blue", .gpio = 1 << 6},
817 },
818 },
819 [DIR320] = {
820 .name = "D-Link DIR-320",
821 .buttons = {
822 { .name = "reserved", .gpio = 1 << 6},
823 { .name = "reset", .gpio = 1 << 7},
824 },
825 .leds = {
826 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
827 { .name = "diag", .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
828 { .name = "red", .gpio = 1 << 3, .polarity = REVERSE },
829 { .name = "blue", .gpio = 1 << 4, .polarity = REVERSE },
830 { .name = "usb", .gpio = 1 << 5, .polarity = NORMAL },
831 },
832 },
833 [DIR330] = {
834 .name = "D-Link DIR-330",
835 .buttons = {
836 { .name = "reset", .gpio = 1 << 3},
837 { .name = "reserved", .gpio = 1 << 7},
838 },
839 .leds = {
840 { .name = "diag", .gpio = 1 << 0},
841 { .name = "usb", .gpio = 1 << 4},
842 { .name = "blue", .gpio = 1 << 6},
843 },
844 },
845 [DWL3150] = {
846 .name = "D-Link DWL-3150",
847 .buttons = {
848 { .name = "reset", .gpio = 1 << 7},
849 },
850 .leds = {
851 { .name = "diag", .gpio = 1 << 2},
852 { .name = "status", .gpio = 1 << 1},
853 },
854 },
855 /* Double check */
856 [WL105B] = {
857 .name = "Sitecom WL-105b",
858 .buttons = {
859 { .name = "reset", .gpio = 1 << 10},
860 },
861 .leds = {
862 { .name = "wlan", .gpio = 1 << 4},
863 { .name = "power", .gpio = 1 << 3},
864 },
865 },
866 /* Western Digital Net Center */
867 [WDNetCenter] = {
868 .name = "Western Digital NetCenter",
869 .buttons = {
870 { .name = "power", .gpio = 1 << 0},
871 { .name = "reset", .gpio = 1 << 7},
872 },
873 .platform_init = NetCenter_init,
874 },
875 /* Askey (and clones) */
876 [RT210W] = {
877 .name = "Askey RT210W",
878 .buttons = {
879 /* Power button is hard-wired to hardware reset */
880 /* but is also connected to GPIO 7 (probably for bootloader recovery) */
881 { .name = "power", .gpio = 1 << 7},
882 },
883 .leds = {
884 /* These were verified and named based on Belkin F5D4230-4 v1112 */
885 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
886 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
887 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
888 },
889 },
890 [WL1600GL] = {
891 .name = "OvisLink WL-1600GL",
892 .buttons = {
893 { .name = "reset", .gpio = 1 << 3 },
894 { .name = "ses", .gpio = 1 << 4 },
895 },
896 .leds = {
897 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
898 { .name = "wps", .gpio = 1 << 2, .polarity = REVERSE },
899 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
900 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
901 },
902 },
903 /* Microsoft */
904 [MN700] = {
905 .name = "Microsoft MN-700",
906 .buttons = {
907 { .name = "reset", .gpio = 1 << 7 },
908 },
909 .leds = {
910 { .name = "power", .gpio = 1 << 6, .polarity = NORMAL },
911 },
912 },
913 /* Edimax */
914 [PS1208MFG] = {
915 .name = "Edimax PS-1208MFG",
916 .buttons = {
917 { .name = "reset", .gpio = 1 << 4 },
918 },
919 .leds = {
920 { .name = "status", .gpio = 1 << 1, .polarity = NORMAL },
921 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
922 },
923 },
924 };
925
926 static struct platform_t __init *platform_detect(void)
927 {
928 char *boardnum, *boardtype, *buf;
929
930 if (strcmp(getvar("nvram_type"), "cfe") == 0)
931 return &platforms[WGT634U];
932
933 /* Look for a model identifier */
934
935 /* Based on "model_name" */
936 if ((buf = nvram_get("model_name"))) {
937 if (!strcmp(buf, "DIR-130"))
938 return &platforms[DIR130];
939 if (!strcmp(buf, "DIR-330"))
940 return &platforms[DIR330];
941 }
942
943 /* Based on "wsc_modelname */
944 if ((buf = nvram_get("wsc_modelname"))) {
945 if (!strcmp(buf, "WRT610N"))
946 return &platforms[WRT610N];
947 }
948
949 /* Based on "model_no" */
950 if ((buf = nvram_get("model_no"))) {
951 if (startswith(buf,"WL700")) /* WL700* */
952 return &platforms[WL700GE];
953 }
954
955 /* Based on "hardware_version" */
956 if ((buf = nvram_get("hardware_version"))) {
957 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
958 return &platforms[WL500GPV2];
959 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
960 return &platforms[WL520GC];
961 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
962 return &platforms[WL520GU];
963 if (startswith(buf,"WL330GE-")) /* WL330GE-* */
964 return &platforms[WL330GE];
965 }
966
967 /* Based on "ModelId" */
968 if ((buf = nvram_get("ModelId"))) {
969 if (!strcmp(buf, "WR850GP"))
970 return &platforms[WR850GP];
971 if (!strcmp(buf, "WR850G"))
972 return &platforms[WR850GV2V3];
973 if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
974 return &platforms[TM2300]; /* Dell TrueMobile 2300 */
975 if (startswith(buf,"WE800G")) /* WE800G* */
976 return &platforms[WE800G];
977 }
978
979 /* Buffalo */
980 if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
981 /* Buffalo hardware, check id for specific hardware matches */
982 if (!strcmp(buf, "29bb0332"))
983 return &platforms[WBR2_G54];
984 if (!strcmp(buf, "29129"))
985 return &platforms[WLA2_G54L];
986 if (!strcmp(buf, "30189"))
987 return &platforms[WHR_HP_G54];
988 if (!strcmp(buf, "32093"))
989 return &platforms[WHR_G125];
990 if (!strcmp(buf, "30182"))
991 return &platforms[WHR_G54S];
992 if (!strcmp(buf, "290441dd"))
993 return &platforms[WHR2_A54G54];
994 if (!strcmp(buf, "31120"))
995 return &platforms[WZR_G300N];
996 if (!strcmp(buf, "30083"))
997 return &platforms[WZR_RS_G54];
998 if (!strcmp(buf, "30103"))
999 return &platforms[WZR_RS_G54HP];
1000 }
1001
1002 /* no easy model number, attempt to guess */
1003 boardnum = getvar("boardnum");
1004 boardtype = getvar("boardtype");
1005
1006 if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N v1/V1.1 */
1007 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
1008 return &platforms[WRT600NV11];
1009
1010 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
1011 return &platforms[WRT600N];
1012 }
1013
1014 if (startswith(getvar("pmon_ver"), "CFE")) {
1015 /* CFE based - newer hardware */
1016 if (!strcmp(boardnum, "42")) { /* Linksys */
1017 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("boot_hw_model"), "WRT300N") && !strcmp(getvar("boot_hw_ver"), "1.1"))
1018 return &platforms[WRT300NV11];
1019
1020 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
1021 return &platforms[WRT350N];
1022
1023 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
1024 return &platforms[WRT54G3G];
1025
1026 if (!strcmp(boardtype, "0x042f") && !strcmp(getvar("model_name"), "WRT54G3GV2-VF"))
1027 return &platforms[WRT54G3GV2_VF];
1028
1029 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
1030 return &platforms[WRTSL54GS];
1031
1032 if (!strcmp(boardtype, "0x0472"))
1033 return &platforms[WRT160N];
1034
1035 /* default to WRT54G */
1036 return &platforms[WRT54G];
1037 }
1038 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1039 return &platforms[WAP54GV2];
1040
1041 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1042 return &platforms[WL1600GL];
1043
1044
1045 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1046 if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1047 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1048 }
1049
1050 if (!strcmp(boardnum, "45")) { /* ASUS */
1051 if (!strcmp(boardtype,"0x042f"))
1052 return &platforms[WL500GP];
1053 else if (!strcmp(boardtype,"0x0472"))
1054 return &platforms[WL500W];
1055 else if (!strcmp(boardtype,"0x467"))
1056 return &platforms[WL320GE];
1057 else
1058 return &platforms[WL500GD];
1059 }
1060
1061 if (!strcmp(boardnum, "10496"))
1062 return &platforms[USR5461];
1063
1064 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1065 return &platforms[SE505V2];
1066
1067 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1068 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1069 return &platforms[DIR320];
1070
1071 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1072 return &platforms[WDNetCenter];
1073 }
1074
1075 if (!strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B V1 and V2*/
1076 if (!strcmp(boardnum, "08") || !strcmp(boardnum, "8"))
1077 return &platforms[WNR834BV1];
1078 if (!strcmp(boardnum, "01") || !strcmp(boardnum, "1"))
1079 return &platforms[WNR834BV2];
1080 }
1081
1082 } else { /* PMON based - old stuff */
1083 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1084 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1085 return &platforms[WR850GV1];
1086 }
1087 if (startswith(boardtype, "bcm94710dev")) {
1088 if (!strcmp(boardnum, "42"))
1089 return &platforms[WRT54GV1];
1090 if (simple_strtoul(boardnum, NULL, 0) == 2)
1091 return &platforms[WAP54GV1];
1092 }
1093 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1094 if (startswith(getvar("hardware_version"), "WL500-")) {
1095 if (!strcmp(getvar("boardnum"), "mn700"))
1096 return &platforms[MN700];
1097 else
1098 return &platforms[WL500G];
1099 }
1100 if (startswith(getvar("hardware_version"), "WL300-")) {
1101 /* Either WL-300g or WL-HDD, do more extensive checks */
1102 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1103 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
1104 return &platforms[WLHDD];
1105 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1106 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
1107 return &platforms[WL300G];
1108 }
1109 /* Sitecom WL-105b */
1110 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1111 return &platforms[WL105B];
1112
1113 /* unknown asus stuff, probably bcm4702 */
1114 if (startswith(boardnum, "asusX"))
1115 return &platforms[ASUS_4702];
1116
1117 /* bcm4702 based Askey RT210W clones, Including:
1118 * Askey RT210W (duh?)
1119 * Siemens SE505v1
1120 * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1121 */
1122 if (!strcmp(boardtype,"bcm94710r4")
1123 && !strcmp(boardnum ,"100")
1124 && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1125 ){
1126 return &platforms[RT210W];
1127 }
1128 }
1129
1130 if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
1131 if (startswith(boardtype, "bcm94710ap"))
1132 return &platforms[BUFFALO_UNKNOWN_4710];
1133 else
1134 return &platforms[BUFFALO_UNKNOWN];
1135 }
1136
1137 if (startswith(getvar("CFEver"), "MotoWRv2") ||
1138 startswith(getvar("CFEver"), "MotoWRv3") ||
1139 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1140
1141 return &platforms[WR850GV2V3];
1142 }
1143
1144 if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
1145 return &platforms[TEW411BRPP];
1146 }
1147
1148 if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1149 return &platforms[STI_NAS];
1150
1151 if (!strcmp(boardnum, "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1152 return &platforms[DWL3150];
1153
1154 if (!strcmp(boardnum, "01") && !strcmp(boardtype, "0x048e") && /* Edimax PS1208MFG */
1155 !strcmp(getvar("status_gpio"), "1")) /* gpio based detection */
1156 return &platforms[PS1208MFG];
1157
1158 /* not found */
1159 return NULL;
1160 }
1161
1162 static void register_buttons(struct button_t *b)
1163 {
1164 for (; b->name; b++)
1165 platform.button_mask |= b->gpio;
1166
1167 platform.button_mask &= ~gpiomask;
1168
1169 gpio_outen(platform.button_mask, 0);
1170 gpio_control(platform.button_mask, 0);
1171 platform.button_polarity = gpio_in() & platform.button_mask;
1172 gpio_intpolarity(platform.button_mask, platform.button_polarity);
1173 gpio_setintmask(platform.button_mask, platform.button_mask);
1174
1175 gpio_set_irqenable(1, button_handler);
1176 }
1177
1178 static void unregister_buttons(struct button_t *b)
1179 {
1180 gpio_setintmask(platform.button_mask, 0);
1181
1182 gpio_set_irqenable(0, button_handler);
1183 }
1184
1185
1186 static void add_msg(struct event_t *event, char *msg, int argv)
1187 {
1188 char *s;
1189
1190 if (argv)
1191 return;
1192
1193 s = skb_put(event->skb, strlen(msg) + 1);
1194 strcpy(s, msg);
1195 }
1196
1197 static void hotplug_button(struct work_struct *work)
1198 {
1199 struct event_t *event = container_of(work, struct event_t, wq);
1200 char *s;
1201
1202 event->skb = alloc_skb(2048, GFP_KERNEL);
1203
1204 s = skb_put(event->skb, strlen(event->action) + 2);
1205 sprintf(s, "%s@", event->action);
1206 fill_event(event);
1207
1208 NETLINK_CB(event->skb).dst_group = 1;
1209 broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1210
1211 kfree(event);
1212 }
1213
1214
1215 static int fill_event (struct event_t *event)
1216 {
1217 static char buf[128];
1218
1219 add_msg(event, "HOME=/", 0);
1220 add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1221 add_msg(event, "SUBSYSTEM=button", 0);
1222 snprintf(buf, 128, "ACTION=%s", event->action);
1223 add_msg(event, buf, 0);
1224 snprintf(buf, 128, "BUTTON=%s", event->name);
1225 add_msg(event, buf, 0);
1226 snprintf(buf, 128, "SEEN=%ld", event->seen);
1227 add_msg(event, buf, 0);
1228 snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1229 add_msg(event, buf, 0);
1230
1231 return 0;
1232 }
1233
1234
1235 static irqreturn_t button_handler(int irq, void *dev_id)
1236 {
1237 struct button_t *b;
1238 u32 in, changed;
1239
1240 in = gpio_in() & platform.button_mask;
1241 gpio_intpolarity(platform.button_mask, in);
1242 changed = platform.button_polarity ^ in;
1243 platform.button_polarity = in;
1244
1245 changed &= ~gpio_outen(0, 0);
1246
1247 for (b = platform.buttons; b->name; b++) {
1248 struct event_t *event;
1249
1250 if (!(b->gpio & changed)) continue;
1251
1252 b->pressed ^= 1;
1253
1254 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1255 event->seen = (jiffies - b->seen)/HZ;
1256 event->name = b->name;
1257 event->action = b->pressed ? "pressed" : "released";
1258 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1259 schedule_work(&event->wq);
1260 }
1261
1262 b->seen = jiffies;
1263 }
1264 return IRQ_HANDLED;
1265 }
1266
1267 static void register_leds(struct led_t *l)
1268 {
1269 struct proc_dir_entry *p;
1270 u32 mask = 0;
1271 u32 oe_mask = 0;
1272 u32 val = 0;
1273
1274 leds = proc_mkdir("led", diag);
1275 if (!leds)
1276 return;
1277
1278 for(; l->name; l++) {
1279 if (l->gpio & gpiomask)
1280 continue;
1281
1282 if (l->gpio & GPIO_TYPE_EXTIF) {
1283 l->state = 0;
1284 set_led_extif(l);
1285 } else {
1286 if (l->polarity != INPUT) oe_mask |= l->gpio;
1287 mask |= l->gpio;
1288 val |= (l->polarity == NORMAL)?0:l->gpio;
1289 }
1290
1291 if (l->polarity == INPUT) continue;
1292
1293 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1294 l->proc.type = PROC_LED;
1295 l->proc.ptr = l;
1296 p->data = (void *) &l->proc;
1297 p->proc_fops = &diag_proc_fops;
1298 }
1299 }
1300
1301 gpio_outen(mask, oe_mask);
1302 gpio_control(mask, 0);
1303 gpio_out(mask, val);
1304 gpio_setintmask(mask, 0);
1305 }
1306
1307 static void unregister_leds(struct led_t *l)
1308 {
1309 for(; l->name; l++)
1310 remove_proc_entry(l->name, leds);
1311
1312 remove_proc_entry("led", diag);
1313 }
1314
1315 static void set_led_extif(struct led_t *led)
1316 {
1317 gpio_set_extif(led->gpio, led->state);
1318 }
1319
1320 static void led_flash(unsigned long dummy) {
1321 struct led_t *l;
1322 u32 mask = 0;
1323 u8 extif_blink = 0;
1324
1325 for (l = platform.leds; l->name; l++) {
1326 if (l->flash) {
1327 if (l->gpio & GPIO_TYPE_EXTIF) {
1328 extif_blink = 1;
1329 l->state = !l->state;
1330 set_led_extif(l);
1331 } else {
1332 mask |= l->gpio;
1333 }
1334 }
1335 }
1336
1337 mask &= ~gpiomask;
1338 if (mask) {
1339 u32 val = ~gpio_in();
1340
1341 gpio_outen(mask, mask);
1342 gpio_control(mask, 0);
1343 gpio_out(mask, val);
1344 }
1345 if (mask || extif_blink) {
1346 mod_timer(&led_timer, jiffies + FLASH_TIME);
1347 }
1348 }
1349
1350 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1351 {
1352 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1353 char *page;
1354 int len = 0;
1355
1356 if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1357 return -ENOBUFS;
1358
1359 if (dent->data != NULL) {
1360 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1361 switch (handler->type) {
1362 case PROC_LED: {
1363 struct led_t * led = (struct led_t *) handler->ptr;
1364 if (led->flash) {
1365 len = sprintf(page, "f\n");
1366 } else {
1367 if (led->gpio & GPIO_TYPE_EXTIF) {
1368 len = sprintf(page, "%d\n", led->state);
1369 } else {
1370 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1371 u8 p = (led->polarity == NORMAL ? 0 : 1);
1372 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1373 }
1374 }
1375 break;
1376 }
1377 case PROC_MODEL:
1378 len = sprintf(page, "%s\n", platform.name);
1379 break;
1380 case PROC_GPIOMASK:
1381 len = sprintf(page, "0x%04x\n", gpiomask);
1382 break;
1383 }
1384 }
1385 len += 1;
1386
1387 if (*ppos < len) {
1388 len = min_t(int, len - *ppos, count);
1389 if (copy_to_user(buf, (page + *ppos), len)) {
1390 kfree(page);
1391 return -EFAULT;
1392 }
1393 *ppos += len;
1394 } else {
1395 len = 0;
1396 }
1397
1398 kfree(page);
1399 return len;
1400 }
1401
1402
1403 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1404 {
1405 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1406 char *page;
1407 int ret = -EINVAL;
1408
1409 if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1410 return -ENOBUFS;
1411
1412 if (copy_from_user(page, buf, count)) {
1413 kfree(page);
1414 return -EINVAL;
1415 }
1416 page[count] = 0;
1417
1418 if (dent->data != NULL) {
1419 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1420 switch (handler->type) {
1421 case PROC_LED: {
1422 struct led_t *led = (struct led_t *) handler->ptr;
1423 int p = (led->polarity == NORMAL ? 0 : 1);
1424
1425 if (page[0] == 'f') {
1426 led->flash = 1;
1427 led_flash(0);
1428 } else {
1429 led->flash = 0;
1430 if (led->gpio & GPIO_TYPE_EXTIF) {
1431 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1432 set_led_extif(led);
1433 } else {
1434 gpio_outen(led->gpio, led->gpio);
1435 gpio_control(led->gpio, 0);
1436 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1437 }
1438 }
1439 break;
1440 }
1441 case PROC_GPIOMASK:
1442 gpiomask = simple_strtoul(page, NULL, 0);
1443
1444 if (platform.buttons) {
1445 unregister_buttons(platform.buttons);
1446 register_buttons(platform.buttons);
1447 }
1448
1449 if (platform.leds) {
1450 unregister_leds(platform.leds);
1451 register_leds(platform.leds);
1452 }
1453 break;
1454 }
1455 ret = count;
1456 }
1457
1458 kfree(page);
1459 return ret;
1460 }
1461
1462 static int __init diag_init(void)
1463 {
1464 static struct proc_dir_entry *p;
1465 static struct platform_t *detected;
1466
1467 detected = platform_detect();
1468 if (!detected) {
1469 printk(MODULE_NAME ": Router model not detected.\n");
1470 return -ENODEV;
1471 }
1472 memcpy(&platform, detected, sizeof(struct platform_t));
1473
1474 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1475 if (platform.platform_init != NULL) {
1476 platform.platform_init();
1477 }
1478
1479 if (!(diag = proc_mkdir("diag", NULL))) {
1480 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1481 return -EINVAL;
1482 }
1483
1484 if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1485 p->data = (void *) &proc_model;
1486 p->proc_fops = &diag_proc_fops;
1487 }
1488
1489 if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1490 p->data = (void *) &proc_gpiomask;
1491 p->proc_fops = &diag_proc_fops;
1492 }
1493
1494 if (platform.buttons)
1495 register_buttons(platform.buttons);
1496
1497 if (platform.leds)
1498 register_leds(platform.leds);
1499
1500 return 0;
1501 }
1502
1503 static void __exit diag_exit(void)
1504 {
1505 del_timer(&led_timer);
1506
1507 if (platform.buttons)
1508 unregister_buttons(platform.buttons);
1509
1510 if (platform.leds)
1511 unregister_leds(platform.leds);
1512
1513 remove_proc_entry("model", diag);
1514 remove_proc_entry("gpiomask", diag);
1515 remove_proc_entry("diag", NULL);
1516 }
1517
1518 module_init(diag_init);
1519 module_exit(diag_exit);
1520
1521 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1522 MODULE_LICENSE("GPL");
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