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[package] broadcom-diag: SimpleShare: expose power button as reset to the system...
[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 << 0 }, // Power button on back, named reset to enable failsafe.
786 },
787 .leds = {
788 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
789 },
790 .platform_init = bcm4780_init,
791 },
792 /* D-Link */
793 [DIR130] = {
794 .name = "D-Link DIR-130",
795 .buttons = {
796 { .name = "reset", .gpio = 1 << 3},
797 { .name = "reserved", .gpio = 1 << 7},
798 },
799 .leds = {
800 { .name = "diag", .gpio = 1 << 0},
801 { .name = "blue", .gpio = 1 << 6},
802 },
803 },
804 [DIR320] = {
805 .name = "D-Link DIR-320",
806 .buttons = {
807 { .name = "reserved", .gpio = 1 << 6},
808 { .name = "reset", .gpio = 1 << 7},
809 },
810 .leds = {
811 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
812 { .name = "diag", .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
813 { .name = "red", .gpio = 1 << 3, .polarity = REVERSE },
814 { .name = "blue", .gpio = 1 << 4, .polarity = REVERSE },
815 { .name = "usb", .gpio = 1 << 5, .polarity = NORMAL },
816 },
817 },
818 [DIR330] = {
819 .name = "D-Link DIR-330",
820 .buttons = {
821 { .name = "reset", .gpio = 1 << 3},
822 { .name = "reserved", .gpio = 1 << 7},
823 },
824 .leds = {
825 { .name = "diag", .gpio = 1 << 0},
826 { .name = "usb", .gpio = 1 << 4},
827 { .name = "blue", .gpio = 1 << 6},
828 },
829 },
830 [DWL3150] = {
831 .name = "D-Link DWL-3150",
832 .buttons = {
833 { .name = "reset", .gpio = 1 << 7},
834 },
835 .leds = {
836 { .name = "diag", .gpio = 1 << 2},
837 { .name = "status", .gpio = 1 << 1},
838 },
839 },
840 /* Double check */
841 [WL105B] = {
842 .name = "Sitecom WL-105b",
843 .buttons = {
844 { .name = "reset", .gpio = 1 << 10},
845 },
846 .leds = {
847 { .name = "wlan", .gpio = 1 << 4},
848 { .name = "power", .gpio = 1 << 3},
849 },
850 },
851 /* Western Digital Net Center */
852 [WDNetCenter] = {
853 .name = "Western Digital NetCenter",
854 .buttons = {
855 { .name = "power", .gpio = 1 << 0},
856 { .name = "reset", .gpio = 1 << 7},
857 },
858 .platform_init = NetCenter_init,
859 },
860 /* Askey (and clones) */
861 [RT210W] = {
862 .name = "Askey RT210W",
863 .buttons = {
864 /* Power button is hard-wired to hardware reset */
865 /* but is also connected to GPIO 7 (probably for bootloader recovery) */
866 { .name = "power", .gpio = 1 << 7},
867 },
868 .leds = {
869 /* These were verified and named based on Belkin F5D4230-4 v1112 */
870 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
871 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
872 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
873 },
874 },
875 [WL1600GL] = {
876 .name = "OvisLink WL-1600GL",
877 .buttons = {
878 { .name = "reset", .gpio = 1 << 3 },
879 { .name = "ses", .gpio = 1 << 4 },
880 },
881 .leds = {
882 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
883 { .name = "wps", .gpio = 1 << 2, .polarity = REVERSE },
884 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
885 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
886 },
887 },
888 /* Microsoft */
889 [MN700] = {
890 .name = "Microsoft MN-700",
891 .buttons = {
892 { .name = "reset", .gpio = 1 << 7 },
893 },
894 .leds = {
895 { .name = "power", .gpio = 1 << 6, .polarity = NORMAL },
896 },
897 },
898 };
899
900 static struct platform_t __init *platform_detect(void)
901 {
902 char *boardnum, *boardtype, *buf;
903
904 if (strcmp(getvar("nvram_type"), "cfe") == 0)
905 return &platforms[WGT634U];
906
907 /* Look for a model identifier */
908
909 /* Based on "model_name" */
910 if ((buf = nvram_get("model_name"))) {
911 if (!strcmp(buf, "DIR-130"))
912 return &platforms[DIR130];
913 if (!strcmp(buf, "DIR-330"))
914 return &platforms[DIR330];
915 }
916
917 /* Based on "wsc_modelname */
918 if ((buf = nvram_get("wsc_modelname"))) {
919 if (!strcmp(buf, "WRT610N"))
920 return &platforms[WRT610N];
921 }
922
923 /* Based on "model_no" */
924 if ((buf = nvram_get("model_no"))) {
925 if (startswith(buf,"WL700")) /* WL700* */
926 return &platforms[WL700GE];
927 }
928
929 /* Based on "hardware_version" */
930 if ((buf = nvram_get("hardware_version"))) {
931 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
932 return &platforms[WL500GPV2];
933 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
934 return &platforms[WL520GC];
935 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
936 return &platforms[WL520GU];
937 if (startswith(buf,"WL330GE-")) /* WL330GE-* */
938 return &platforms[WL330GE];
939 }
940
941 /* Based on "ModelId" */
942 if ((buf = nvram_get("ModelId"))) {
943 if (!strcmp(buf, "WR850GP"))
944 return &platforms[WR850GP];
945 if (!strcmp(buf, "WR850G"))
946 return &platforms[WR850GV2V3];
947 if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
948 return &platforms[TM2300]; /* Dell TrueMobile 2300 */
949 if (startswith(buf,"WE800G")) /* WE800G* */
950 return &platforms[WE800G];
951 }
952
953 /* Buffalo */
954 if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
955 /* Buffalo hardware, check id for specific hardware matches */
956 if (!strcmp(buf, "29bb0332"))
957 return &platforms[WBR2_G54];
958 if (!strcmp(buf, "29129"))
959 return &platforms[WLA2_G54L];
960 if (!strcmp(buf, "30189"))
961 return &platforms[WHR_HP_G54];
962 if (!strcmp(buf, "32093"))
963 return &platforms[WHR_G125];
964 if (!strcmp(buf, "30182"))
965 return &platforms[WHR_G54S];
966 if (!strcmp(buf, "290441dd"))
967 return &platforms[WHR2_A54G54];
968 if (!strcmp(buf, "31120"))
969 return &platforms[WZR_G300N];
970 if (!strcmp(buf, "30083"))
971 return &platforms[WZR_RS_G54];
972 if (!strcmp(buf, "30103"))
973 return &platforms[WZR_RS_G54HP];
974 }
975
976 /* no easy model number, attempt to guess */
977 boardnum = getvar("boardnum");
978 boardtype = getvar("boardtype");
979
980 if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N v1/V1.1 */
981 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
982 return &platforms[WRT600NV11];
983
984 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
985 return &platforms[WRT600N];
986 }
987
988 if (startswith(getvar("pmon_ver"), "CFE")) {
989 /* CFE based - newer hardware */
990 if (!strcmp(boardnum, "42")) { /* Linksys */
991 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("boot_hw_model"), "WRT300N") && !strcmp(getvar("boot_hw_ver"), "1.1"))
992 return &platforms[WRT300NV11];
993
994 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
995 return &platforms[WRT350N];
996
997 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
998 return &platforms[WRT54G3G];
999
1000 if (!strcmp(boardtype, "0x042f") && !strcmp(getvar("model_name"), "WRT54G3GV2-VF"))
1001 return &platforms[WRT54G3GV2_VF];
1002
1003 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
1004 return &platforms[WRTSL54GS];
1005
1006 if (!strcmp(boardtype, "0x0472"))
1007 return &platforms[WRT160N];
1008
1009 /* default to WRT54G */
1010 return &platforms[WRT54G];
1011 }
1012 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1013 return &platforms[WAP54GV2];
1014
1015 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1016 return &platforms[WL1600GL];
1017
1018
1019 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1020 if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1021 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1022 }
1023
1024 if (!strcmp(boardnum, "45")) { /* ASUS */
1025 if (!strcmp(boardtype,"0x042f"))
1026 return &platforms[WL500GP];
1027 else if (!strcmp(boardtype,"0x0472"))
1028 return &platforms[WL500W];
1029 else if (!strcmp(boardtype,"0x467"))
1030 return &platforms[WL320GE];
1031 else
1032 return &platforms[WL500GD];
1033 }
1034
1035 if (!strcmp(boardnum, "10496"))
1036 return &platforms[USR5461];
1037
1038 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1039 return &platforms[SE505V2];
1040
1041 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1042 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1043 return &platforms[DIR320];
1044
1045 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1046 return &platforms[WDNetCenter];
1047 }
1048
1049 if ((!strcmp(boardnum, "08") || !strcmp(boardnum, "01")) &&
1050 !strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B V1 and V2*/
1051 /* TODO: Check for version. Default platform is V2 for now. */
1052 return &platforms[WNR834BV2];
1053 }
1054
1055 } else { /* PMON based - old stuff */
1056 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1057 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1058 return &platforms[WR850GV1];
1059 }
1060 if (startswith(boardtype, "bcm94710dev")) {
1061 if (!strcmp(boardnum, "42"))
1062 return &platforms[WRT54GV1];
1063 if (simple_strtoul(boardnum, NULL, 0) == 2)
1064 return &platforms[WAP54GV1];
1065 }
1066 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1067 if (startswith(getvar("hardware_version"), "WL500-")) {
1068 if (!strcmp(getvar("boardnum"), "mn700"))
1069 return &platforms[MN700];
1070 else
1071 return &platforms[WL500G];
1072 }
1073 if (startswith(getvar("hardware_version"), "WL300-")) {
1074 /* Either WL-300g or WL-HDD, do more extensive checks */
1075 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1076 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
1077 return &platforms[WLHDD];
1078 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1079 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
1080 return &platforms[WL300G];
1081 }
1082 /* Sitecom WL-105b */
1083 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1084 return &platforms[WL105B];
1085
1086 /* unknown asus stuff, probably bcm4702 */
1087 if (startswith(boardnum, "asusX"))
1088 return &platforms[ASUS_4702];
1089
1090 /* bcm4702 based Askey RT210W clones, Including:
1091 * Askey RT210W (duh?)
1092 * Siemens SE505v1
1093 * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1094 */
1095 if (!strcmp(boardtype,"bcm94710r4")
1096 && !strcmp(boardnum ,"100")
1097 && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1098 ){
1099 return &platforms[RT210W];
1100 }
1101 }
1102
1103 if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
1104 if (startswith(boardtype, "bcm94710ap"))
1105 return &platforms[BUFFALO_UNKNOWN_4710];
1106 else
1107 return &platforms[BUFFALO_UNKNOWN];
1108 }
1109
1110 if (startswith(getvar("CFEver"), "MotoWRv2") ||
1111 startswith(getvar("CFEver"), "MotoWRv3") ||
1112 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1113
1114 return &platforms[WR850GV2V3];
1115 }
1116
1117 if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
1118 return &platforms[TEW411BRPP];
1119 }
1120
1121 if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1122 return &platforms[STI_NAS];
1123
1124 if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1125 return &platforms[DWL3150];
1126
1127 /* not found */
1128 return NULL;
1129 }
1130
1131 static void register_buttons(struct button_t *b)
1132 {
1133 for (; b->name; b++)
1134 platform.button_mask |= b->gpio;
1135
1136 platform.button_mask &= ~gpiomask;
1137
1138 gpio_outen(platform.button_mask, 0);
1139 gpio_control(platform.button_mask, 0);
1140 platform.button_polarity = gpio_in() & platform.button_mask;
1141 gpio_intpolarity(platform.button_mask, platform.button_polarity);
1142 gpio_setintmask(platform.button_mask, platform.button_mask);
1143
1144 gpio_set_irqenable(1, button_handler);
1145 }
1146
1147 static void unregister_buttons(struct button_t *b)
1148 {
1149 gpio_setintmask(platform.button_mask, 0);
1150
1151 gpio_set_irqenable(0, button_handler);
1152 }
1153
1154
1155 static void add_msg(struct event_t *event, char *msg, int argv)
1156 {
1157 char *s;
1158
1159 if (argv)
1160 return;
1161
1162 s = skb_put(event->skb, strlen(msg) + 1);
1163 strcpy(s, msg);
1164 }
1165
1166 static void hotplug_button(struct work_struct *work)
1167 {
1168 struct event_t *event = container_of(work, struct event_t, wq);
1169 char *s;
1170
1171 event->skb = alloc_skb(2048, GFP_KERNEL);
1172
1173 s = skb_put(event->skb, strlen(event->action) + 2);
1174 sprintf(s, "%s@", event->action);
1175 fill_event(event);
1176
1177 NETLINK_CB(event->skb).dst_group = 1;
1178 broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1179
1180 kfree(event);
1181 }
1182
1183
1184 static int fill_event (struct event_t *event)
1185 {
1186 static char buf[128];
1187
1188 add_msg(event, "HOME=/", 0);
1189 add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1190 add_msg(event, "SUBSYSTEM=button", 0);
1191 snprintf(buf, 128, "ACTION=%s", event->action);
1192 add_msg(event, buf, 0);
1193 snprintf(buf, 128, "BUTTON=%s", event->name);
1194 add_msg(event, buf, 0);
1195 snprintf(buf, 128, "SEEN=%ld", event->seen);
1196 add_msg(event, buf, 0);
1197 snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1198 add_msg(event, buf, 0);
1199
1200 return 0;
1201 }
1202
1203
1204 static irqreturn_t button_handler(int irq, void *dev_id)
1205 {
1206 struct button_t *b;
1207 u32 in, changed;
1208
1209 in = gpio_in() & platform.button_mask;
1210 gpio_intpolarity(platform.button_mask, in);
1211 changed = platform.button_polarity ^ in;
1212 platform.button_polarity = in;
1213
1214 changed &= ~gpio_outen(0, 0);
1215
1216 for (b = platform.buttons; b->name; b++) {
1217 struct event_t *event;
1218
1219 if (!(b->gpio & changed)) continue;
1220
1221 b->pressed ^= 1;
1222
1223 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1224 event->seen = (jiffies - b->seen)/HZ;
1225 event->name = b->name;
1226 event->action = b->pressed ? "pressed" : "released";
1227 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1228 schedule_work(&event->wq);
1229 }
1230
1231 b->seen = jiffies;
1232 }
1233 return IRQ_HANDLED;
1234 }
1235
1236 static void register_leds(struct led_t *l)
1237 {
1238 struct proc_dir_entry *p;
1239 u32 mask = 0;
1240 u32 oe_mask = 0;
1241 u32 val = 0;
1242
1243 leds = proc_mkdir("led", diag);
1244 if (!leds)
1245 return;
1246
1247 for(; l->name; l++) {
1248 if (l->gpio & gpiomask)
1249 continue;
1250
1251 if (l->gpio & GPIO_TYPE_EXTIF) {
1252 l->state = 0;
1253 set_led_extif(l);
1254 } else {
1255 if (l->polarity != INPUT) oe_mask |= l->gpio;
1256 mask |= l->gpio;
1257 val |= (l->polarity == NORMAL)?0:l->gpio;
1258 }
1259
1260 if (l->polarity == INPUT) continue;
1261
1262 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1263 l->proc.type = PROC_LED;
1264 l->proc.ptr = l;
1265 p->data = (void *) &l->proc;
1266 p->proc_fops = &diag_proc_fops;
1267 }
1268 }
1269
1270 gpio_outen(mask, oe_mask);
1271 gpio_control(mask, 0);
1272 gpio_out(mask, val);
1273 gpio_setintmask(mask, 0);
1274 }
1275
1276 static void unregister_leds(struct led_t *l)
1277 {
1278 for(; l->name; l++)
1279 remove_proc_entry(l->name, leds);
1280
1281 remove_proc_entry("led", diag);
1282 }
1283
1284 static void set_led_extif(struct led_t *led)
1285 {
1286 gpio_set_extif(led->gpio, led->state);
1287 }
1288
1289 static void led_flash(unsigned long dummy) {
1290 struct led_t *l;
1291 u32 mask = 0;
1292 u8 extif_blink = 0;
1293
1294 for (l = platform.leds; l->name; l++) {
1295 if (l->flash) {
1296 if (l->gpio & GPIO_TYPE_EXTIF) {
1297 extif_blink = 1;
1298 l->state = !l->state;
1299 set_led_extif(l);
1300 } else {
1301 mask |= l->gpio;
1302 }
1303 }
1304 }
1305
1306 mask &= ~gpiomask;
1307 if (mask) {
1308 u32 val = ~gpio_in();
1309
1310 gpio_outen(mask, mask);
1311 gpio_control(mask, 0);
1312 gpio_out(mask, val);
1313 }
1314 if (mask || extif_blink) {
1315 mod_timer(&led_timer, jiffies + FLASH_TIME);
1316 }
1317 }
1318
1319 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1320 {
1321 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1322 char *page;
1323 int len = 0;
1324
1325 if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1326 return -ENOBUFS;
1327
1328 if (dent->data != NULL) {
1329 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1330 switch (handler->type) {
1331 case PROC_LED: {
1332 struct led_t * led = (struct led_t *) handler->ptr;
1333 if (led->flash) {
1334 len = sprintf(page, "f\n");
1335 } else {
1336 if (led->gpio & GPIO_TYPE_EXTIF) {
1337 len = sprintf(page, "%d\n", led->state);
1338 } else {
1339 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1340 u8 p = (led->polarity == NORMAL ? 0 : 1);
1341 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1342 }
1343 }
1344 break;
1345 }
1346 case PROC_MODEL:
1347 len = sprintf(page, "%s\n", platform.name);
1348 break;
1349 case PROC_GPIOMASK:
1350 len = sprintf(page, "0x%04x\n", gpiomask);
1351 break;
1352 }
1353 }
1354 len += 1;
1355
1356 if (*ppos < len) {
1357 len = min_t(int, len - *ppos, count);
1358 if (copy_to_user(buf, (page + *ppos), len)) {
1359 kfree(page);
1360 return -EFAULT;
1361 }
1362 *ppos += len;
1363 } else {
1364 len = 0;
1365 }
1366
1367 kfree(page);
1368 return len;
1369 }
1370
1371
1372 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1373 {
1374 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1375 char *page;
1376 int ret = -EINVAL;
1377
1378 if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1379 return -ENOBUFS;
1380
1381 if (copy_from_user(page, buf, count)) {
1382 kfree(page);
1383 return -EINVAL;
1384 }
1385 page[count] = 0;
1386
1387 if (dent->data != NULL) {
1388 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1389 switch (handler->type) {
1390 case PROC_LED: {
1391 struct led_t *led = (struct led_t *) handler->ptr;
1392 int p = (led->polarity == NORMAL ? 0 : 1);
1393
1394 if (page[0] == 'f') {
1395 led->flash = 1;
1396 led_flash(0);
1397 } else {
1398 led->flash = 0;
1399 if (led->gpio & GPIO_TYPE_EXTIF) {
1400 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1401 set_led_extif(led);
1402 } else {
1403 gpio_outen(led->gpio, led->gpio);
1404 gpio_control(led->gpio, 0);
1405 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1406 }
1407 }
1408 break;
1409 }
1410 case PROC_GPIOMASK:
1411 gpiomask = simple_strtoul(page, NULL, 0);
1412
1413 if (platform.buttons) {
1414 unregister_buttons(platform.buttons);
1415 register_buttons(platform.buttons);
1416 }
1417
1418 if (platform.leds) {
1419 unregister_leds(platform.leds);
1420 register_leds(platform.leds);
1421 }
1422 break;
1423 }
1424 ret = count;
1425 }
1426
1427 kfree(page);
1428 return ret;
1429 }
1430
1431 static int __init diag_init(void)
1432 {
1433 static struct proc_dir_entry *p;
1434 static struct platform_t *detected;
1435
1436 detected = platform_detect();
1437 if (!detected) {
1438 printk(MODULE_NAME ": Router model not detected.\n");
1439 return -ENODEV;
1440 }
1441 memcpy(&platform, detected, sizeof(struct platform_t));
1442
1443 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1444 if (platform.platform_init != NULL) {
1445 platform.platform_init();
1446 }
1447
1448 if (!(diag = proc_mkdir("diag", NULL))) {
1449 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1450 return -EINVAL;
1451 }
1452
1453 if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1454 p->data = (void *) &proc_model;
1455 p->proc_fops = &diag_proc_fops;
1456 }
1457
1458 if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1459 p->data = (void *) &proc_gpiomask;
1460 p->proc_fops = &diag_proc_fops;
1461 }
1462
1463 if (platform.buttons)
1464 register_buttons(platform.buttons);
1465
1466 if (platform.leds)
1467 register_leds(platform.leds);
1468
1469 return 0;
1470 }
1471
1472 static void __exit diag_exit(void)
1473 {
1474 del_timer(&led_timer);
1475
1476 if (platform.buttons)
1477 unregister_buttons(platform.buttons);
1478
1479 if (platform.leds)
1480 unregister_leds(platform.leds);
1481
1482 remove_proc_entry("model", diag);
1483 remove_proc_entry("gpiomask", diag);
1484 remove_proc_entry("diag", NULL);
1485 }
1486
1487 module_init(diag_init);
1488 module_exit(diag_exit);
1489
1490 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1491 MODULE_LICENSE("GPL");
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