2 * diag.c - GPIO interface driver for Broadcom boards
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>
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.
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.
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.
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>
32 #include <linux/workqueue.h>
33 #include <linux/skbuff.h>
34 #include <linux/netlink.h>
36 extern struct sock
*uevent_sock
;
37 extern u64
uevent_next_seqnum(void);
39 #include <linux/tqueue.h>
40 #define INIT_WORK INIT_TQUEUE
41 #define schedule_work schedule_task
42 #define work_struct tq_struct
47 #define getvar(str) (nvram_get(str)?:"")
49 static inline int startswith (char *source
, char *cmp
) { return !strncmp(source
,cmp
,strlen(cmp
)); }
50 static int fill_event(struct event_t
*);
51 static unsigned int gpiomask
= 0;
52 module_param(gpiomask
, int, 0644);
136 /* Western Digital */
146 static void __init
bcm4780_init(void) {
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);
155 /* Wait 5s, so the HDD can spin up */
156 set_current_state(TASK_INTERRUPTIBLE
);
157 schedule_timeout(HZ
* 5);
160 static void __init
NetCenter_init(void) {
161 /* unset pin 6 (+12V) */
163 gpio_outen(pin
, pin
);
164 gpio_control(pin
, 0);
166 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
168 gpio_outen(pin
, pin
);
169 gpio_control(pin
, 0);
171 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
175 static void __init
bcm57xx_init(void) {
179 /* FIXME: switch comes up, but port mappings/vlans not right */
180 gpio_outen(pin
, pin
);
181 gpio_control(pin
, 0);
186 static struct platform_t __initdata platforms
[] = {
189 .name
= "Linksys WAP54G V1",
191 { .name
= "reset", .gpio
= 1 << 0 },
194 { .name
= "diag", .gpio
= 1 << 3 },
195 { .name
= "wlan", .gpio
= 1 << 4 },
199 .name
= "Linksys WAP54G V2",
201 { .name
= "reset", .gpio
= 1 << 0 },
204 { .name
= "wlan", .gpio
= 1 << 5, .polarity
= REVERSE
},
205 /* GPIO 6 is b44 (eth0, LAN) PHY power */
209 .name
= "Linksys WAP54G V3",
211 /* FIXME: verify this */
212 { .name
= "reset", .gpio
= 1 << 7 },
213 { .name
= "ses", .gpio
= 1 << 0 },
217 { .name
= "ses", .gpio
= 1 << 1 },
221 .name
= "Linksys WRT54G V1.x",
223 { .name
= "reset", .gpio
= 1 << 6 },
226 { .name
= "diag", .gpio
= 0x13 | GPIO_TYPE_EXTIF
, .polarity
= NORMAL
},
227 { .name
= "dmz", .gpio
= 0x12 | GPIO_TYPE_EXTIF
, .polarity
= NORMAL
},
231 .name
= "Linksys WRT54G/GS/GL",
233 { .name
= "reset", .gpio
= 1 << 6 },
234 { .name
= "ses", .gpio
= 1 << 4 },
237 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
},
238 { .name
= "dmz", .gpio
= 1 << 7, .polarity
= REVERSE
},
239 { .name
= "ses_white", .gpio
= 1 << 2, .polarity
= REVERSE
},
240 { .name
= "ses_orange", .gpio
= 1 << 3, .polarity
= REVERSE
},
241 { .name
= "wlan", .gpio
= 1 << 0, .polarity
= REVERSE
},
245 .name
= "Linksys WRTSL54GS",
247 { .name
= "reset", .gpio
= 1 << 6 },
248 { .name
= "ses", .gpio
= 1 << 4 },
251 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
},
252 { .name
= "dmz", .gpio
= 1 << 0, .polarity
= REVERSE
},
253 { .name
= "ses_white", .gpio
= 1 << 5, .polarity
= REVERSE
},
254 { .name
= "ses_orange", .gpio
= 1 << 7, .polarity
= REVERSE
},
258 .name
= "Linksys WRT54G3G",
260 { .name
= "reset", .gpio
= 1 << 6 },
261 { .name
= "3g", .gpio
= 1 << 4 },
264 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
},
265 { .name
= "dmz", .gpio
= 1 << 7, .polarity
= REVERSE
},
266 { .name
= "3g_green", .gpio
= 1 << 2, .polarity
= NORMAL
},
267 { .name
= "3g_blue", .gpio
= 1 << 3, .polarity
= NORMAL
},
268 { .name
= "3g_blink", .gpio
= 1 << 5, .polarity
= NORMAL
},
272 .name
= "Linksys WRT160N",
274 { .name
= "reset", .gpio
= 1 << 6 },
275 { .name
= "ses", .gpio
= 1 << 4 },
278 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
},
279 { .name
= "ses_blue", .gpio
= 1 << 5, .polarity
= REVERSE
},
280 { .name
= "ses_orange", .gpio
= 1 << 3, .polarity
= REVERSE
},
284 .name
= "Linksys WRT300N V1.1",
286 { .name
= "reset", .gpio
= 1 << 6 }, // "Reset" on back panel
287 { .name
= "ses", .gpio
= 1 << 4 }, // "Reserved" on top panel
290 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
}, // "Power"
291 { .name
= "ses_amber", .gpio
= 1 << 3, .polarity
= REVERSE
}, // "Security" Amber
292 { .name
= "ses_green", .gpio
= 1 << 5, .polarity
= REVERSE
}, // "Security" Green
294 .platform_init
= bcm57xx_init
,
297 .name
= "Linksys WRT350N",
299 { .name
= "reset", .gpio
= 1 << 6 },
300 { .name
= "ses", .gpio
= 1 << 8 },
303 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
},
304 { .name
= "ses_amber", .gpio
= 1 << 3, .polarity
= REVERSE
},
305 { .name
= "ses_green", .gpio
= 1 << 9, .polarity
= REVERSE
},
306 { .name
= "usb_blink", .gpio
= 1 << 10, .polarity
= REVERSE
},
307 { .name
= "usb", .gpio
= 1 << 11, .polarity
= REVERSE
},
309 .platform_init
= bcm57xx_init
,
312 .name
= "Linksys WRT600N",
314 { .name
= "reset", .gpio
= 1 << 6 },
315 { .name
= "ses", .gpio
= 1 << 7 },
318 { .name
= "power", .gpio
= 1 << 2, .polarity
= REVERSE
}, // Power LED
319 { .name
= "usb", .gpio
= 1 << 3, .polarity
= REVERSE
}, // USB LED
320 { .name
= "wl0_ses_amber", .gpio
= 1 << 8, .polarity
= REVERSE
}, // 2.4Ghz LED Amber
321 { .name
= "wl0_ses_green", .gpio
= 1 << 9, .polarity
= REVERSE
}, // 2.4Ghz LED Green
322 { .name
= "wl1_ses_amber", .gpio
= 1 << 10, .polarity
= REVERSE
}, // 5.6Ghz LED Amber
323 { .name
= "wl1_ses_green", .gpio
= 1 << 11, .polarity
= REVERSE
}, // 5.6Ghz LED Green
325 .platform_init
= bcm57xx_init
,
328 .name
= "Linksys WRT600N V1.1",
330 { .name
= "reset", .gpio
= 1 << 6 },
331 { .name
= "ses", .gpio
= 1 << 7 },
334 { .name
= "power", .gpio
= 1 << 2, .polarity
= REVERSE
}, // Power LED
335 { .name
= "usb", .gpio
= 1 << 3, .polarity
= REVERSE
}, // USB LED
336 { .name
= "wl0_ses_amber", .gpio
= 1 << 8, .polarity
= REVERSE
}, // 2.4Ghz LED Amber
337 { .name
= "wl0_ses_green", .gpio
= 1 << 9, .polarity
= REVERSE
}, // 2.4Ghz LED Green
338 { .name
= "wl1_ses_amber", .gpio
= 1 << 10, .polarity
= REVERSE
}, // 5.6Ghz LED Amber
339 { .name
= "wl1_ses_green", .gpio
= 1 << 11, .polarity
= REVERSE
}, // 5.6Ghz LED Green
341 .platform_init
= bcm57xx_init
,
344 .name
= "Linksys WRT610N",
346 { .name
= "reset", .gpio
= 1 << 6 },
347 { .name
= "ses", .gpio
= 1 << 8 },
350 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
}, // Power LED
351 { .name
= "usb", .gpio
= 1 << 0, .polarity
= REVERSE
}, // USB LED
352 { .name
= "ses_amber", .gpio
= 1 << 3, .polarity
= REVERSE
}, // WiFi protected setup LED amber
353 { .name
= "ses_blue", .gpio
= 1 << 9, .polarity
= REVERSE
}, // WiFi protected setup LED blue
358 .name
= "ASUS WL-HDD",
360 { .name
= "reset", .gpio
= 1 << 6 },
363 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
364 { .name
= "usb", .gpio
= 1 << 2, .polarity
= NORMAL
},
368 .name
= "ASUS WL-300g",
370 { .name
= "reset", .gpio
= 1 << 6 },
373 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
377 .name
= "ASUS WL-320gE/WL-320gP",
379 { .name
= "reset", .gpio
= 1 << 6 },
382 { .name
= "wlan", .gpio
= 1 << 0, .polarity
= REVERSE
},
383 { .name
= "power", .gpio
= 1 << 2, .polarity
= REVERSE
},
384 { .name
= "link", .gpio
= 1 << 11, .polarity
= REVERSE
},
388 .name
= "ASUS WL-330gE",
390 { .name
= "reset", .gpio
= 1 << 2 },
393 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
397 .name
= "ASUS WL-500g",
399 { .name
= "reset", .gpio
= 1 << 6 },
402 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
406 .name
= "ASUS WL-500g Deluxe",
408 { .name
= "reset", .gpio
= 1 << 6 },
411 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
415 .name
= "ASUS WL-500g Premium",
417 { .name
= "reset", .gpio
= 1 << 0 },
418 { .name
= "ses", .gpio
= 1 << 4 },
421 { .name
= "power", .gpio
= 1 << 1, .polarity
= REVERSE
},
425 .name
= "ASUS WL-500g Premium V2",
427 { .name
= "reset", .gpio
= 1 << 2 },
428 { .name
= "ses", .gpio
= 1 << 3 },
431 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
432 { .name
= "wlan", .gpio
= 1 << 1, .polarity
= REVERSE
},
436 .name
= "ASUS WL-500W",
438 { .name
= "reset", .gpio
= 1 << 6 },
439 { .name
= "ses", .gpio
= 1 << 7 },
442 { .name
= "power", .gpio
= 1 << 5, .polarity
= REVERSE
},
446 .name
= "ASUS WL-520GC",
448 { .name
= "reset", .gpio
= 1 << 2 },
449 { .name
= "ses", .gpio
= 1 << 3 },
452 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
453 { .name
= "wlan", .gpio
= 1 << 1, .polarity
= REVERSE
},
457 .name
= "ASUS WL-520gU",
459 { .name
= "reset", .gpio
= 1 << 2 },
460 { .name
= "ses", .gpio
= 1 << 3 },
463 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
464 { .name
= "wlan", .gpio
= 1 << 1, .polarity
= REVERSE
},
468 .name
= "ASUS (unknown, BCM4702)",
470 { .name
= "reset", .gpio
= 1 << 6 },
473 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
477 .name
= "ASUS WL-700gE",
479 { .name
= "reset", .gpio
= 1 << 7 }, // on back, hardwired, always resets device regardless OS state
480 { .name
= "ses", .gpio
= 1 << 4 }, // on back, actual name ezsetup
481 { .name
= "power", .gpio
= 1 << 0 }, // on front
482 { .name
= "copy", .gpio
= 1 << 6 }, // on front
486 // GPIO that controls power led also enables/disables some essential functions
489 { .name
= "power", .gpio
= 1 << 3, .polarity
= NORMAL
}, // actual name power
491 { .name
= "diag", .gpio
= 1 << 1, .polarity
= REVERSE
}, // actual name ready
493 .platform_init
= bcm4780_init
,
497 .name
= "Buffalo WHR-G54S",
499 { .name
= "reset", .gpio
= 1 << 4 },
500 { .name
= "bridge", .gpio
= 1 << 5 },
501 { .name
= "ses", .gpio
= 1 << 0 },
504 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
505 { .name
= "internal", .gpio
= 1 << 3, .polarity
= REVERSE
},
506 { .name
= "ses", .gpio
= 1 << 6, .polarity
= REVERSE
},
507 { .name
= "bridge", .gpio
= 1 << 1, .polarity
= REVERSE
},
508 { .name
= "wlan", .gpio
= 1 << 2, .polarity
= REVERSE
},
512 .name
= "Buffalo WBR2-G54",
515 { .name
= "reset", .gpio
= 1 << 7 },
518 { .name
= "diag", .gpio
= 1 << 1, .polarity
= REVERSE
},
522 .name
= "Buffalo WHR-HP-G54",
524 { .name
= "reset", .gpio
= 1 << 4 },
525 { .name
= "bridge", .gpio
= 1 << 5 },
526 { .name
= "ses", .gpio
= 1 << 0 },
529 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
530 { .name
= "internal", .gpio
= 1 << 3, .polarity
= REVERSE
},
531 { .name
= "bridge", .gpio
= 1 << 1, .polarity
= REVERSE
},
532 { .name
= "ses", .gpio
= 1 << 6, .polarity
= REVERSE
},
533 { .name
= "wlan", .gpio
= 1 << 2, .polarity
= REVERSE
},
537 .name
= "Buffalo WHR-G125",
539 { .name
= "reset", .gpio
= 1 << 4 },
540 { .name
= "bridge", .gpio
= 1 << 5 },
541 { .name
= "ses", .gpio
= 1 << 0 },
544 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
545 { .name
= "internal", .gpio
= 1 << 3, .polarity
= REVERSE
},
546 { .name
= "bridge", .gpio
= 1 << 1, .polarity
= REVERSE
},
547 { .name
= "ses", .gpio
= 1 << 6, .polarity
= REVERSE
},
548 { .name
= "wlan", .gpio
= 1 << 2, .polarity
= REVERSE
},
552 .name
= "Buffalo WHR2-A54G54",
554 { .name
= "reset", .gpio
= 1 << 4 },
557 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
561 .name
= "Buffalo WLA2-G54L",
564 { .name
= "reset", .gpio
= 1 << 7 },
567 { .name
= "diag", .gpio
= 1 << 1, .polarity
= REVERSE
},
571 .name
= "Buffalo WZR-G300N",
573 { .name
= "reset", .gpio
= 1 << 4 },
576 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
577 { .name
= "bridge", .gpio
= 1 << 1, .polarity
= REVERSE
},
578 { .name
= "ses", .gpio
= 1 << 6, .polarity
= REVERSE
},
582 .name
= "Buffalo WZR-RS-G54",
584 { .name
= "ses", .gpio
= 1 << 0 },
585 { .name
= "reset", .gpio
= 1 << 4 },
588 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
589 { .name
= "ses", .gpio
= 1 << 6, .polarity
= REVERSE
},
590 { .name
= "vpn", .gpio
= 1 << 1, .polarity
= REVERSE
},
594 .name
= "Buffalo WZR-RS-G54HP",
596 { .name
= "ses", .gpio
= 1 << 0 },
597 { .name
= "reset", .gpio
= 1 << 4 },
600 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
601 { .name
= "ses", .gpio
= 1 << 6, .polarity
= REVERSE
},
602 { .name
= "vpn", .gpio
= 1 << 1, .polarity
= REVERSE
},
605 [BUFFALO_UNKNOWN
] = {
606 .name
= "Buffalo (unknown)",
608 { .name
= "reset", .gpio
= 1 << 7 },
611 { .name
= "diag", .gpio
= 1 << 1, .polarity
= REVERSE
},
614 [BUFFALO_UNKNOWN_4710
] = {
615 .name
= "Buffalo (unknown, BCM4710)",
617 { .name
= "reset", .gpio
= 1 << 4 },
620 { .name
= "diag", .gpio
= 1 << 1, .polarity
= REVERSE
},
625 .name
= "Siemens SE505 V1",
627 /* No usable buttons */
630 // { .name = "power", .gpio = 1 << 0 .polarity = REVERSE }, // Usable when retrofitting D26 (?)
631 { .name
= "dmz", .gpio
= 1 << 4, .polarity
= REVERSE
}, // actual name WWW
632 { .name
= "wlan", .gpio
= 1 << 3, .polarity
= REVERSE
},
636 .name
= "Siemens SE505 V2",
638 /* No usable buttons */
641 { .name
= "power", .gpio
= 1 << 5, .polarity
= REVERSE
},
642 { .name
= "dmz", .gpio
= 1 << 0, .polarity
= REVERSE
}, // actual name WWW
643 { .name
= "wlan", .gpio
= 1 << 3, .polarity
= REVERSE
},
648 .name
= "U.S. Robotics USR5461",
650 /* No usable buttons */
653 { .name
= "wlan", .gpio
= 1 << 0, .polarity
= REVERSE
},
654 { .name
= "printer", .gpio
= 1 << 1, .polarity
= REVERSE
},
659 .name
= "Dell TrueMobile 2300",
661 { .name
= "reset", .gpio
= 1 << 0 },
664 { .name
= "wlan", .gpio
= 1 << 6, .polarity
= REVERSE
},
665 { .name
= "power", .gpio
= 1 << 7, .polarity
= REVERSE
},
669 .name
= "Dell TrueMobile 2300 v2",
671 { .name
= "reset", .gpio
= 1 << 0 },
674 { .name
= "wlan", .gpio
= 1 << 6, .polarity
= REVERSE
},
675 { .name
= "power", .gpio
= 1 << 7, .polarity
= REVERSE
},
680 .name
= "Motorola WE800G",
682 { .name
= "reset", .gpio
= 1 << 0 },
685 { .name
= "power", .gpio
= 1 << 4, .polarity
= NORMAL
},
686 { .name
= "diag", .gpio
= 1 << 2, .polarity
= REVERSE
},
687 { .name
= "wlan_amber", .gpio
= 1 << 1, .polarity
= NORMAL
},
691 .name
= "Motorola WR850G V1",
693 { .name
= "reset", .gpio
= 1 << 0 },
696 { .name
= "power", .gpio
= 1 << 4, .polarity
= NORMAL
},
697 { .name
= "diag", .gpio
= 1 << 3, .polarity
= REVERSE
},
698 { .name
= "dmz", .gpio
= 1 << 6, .polarity
= NORMAL
},
699 { .name
= "wlan_red", .gpio
= 1 << 5, .polarity
= REVERSE
},
700 { .name
= "wlan_green", .gpio
= 1 << 7, .polarity
= REVERSE
},
704 .name
= "Motorola WR850G V2/V3",
706 { .name
= "reset", .gpio
= 1 << 5 },
709 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
},
710 { .name
= "wlan", .gpio
= 1 << 0, .polarity
= REVERSE
},
711 { .name
= "wan", .gpio
= 1 << 6, .polarity
= INPUT
},
712 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
716 .name
= "Motorola WR850GP",
718 { .name
= "reset", .gpio
= 1 << 5 },
721 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
},
722 { .name
= "wlan", .gpio
= 1 << 0, .polarity
= REVERSE
},
723 { .name
= "dmz", .gpio
= 1 << 6, .polarity
= REVERSE
},
724 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
730 .name
= "Belkin (unknown)",
731 /* FIXME: verify & add detection */
733 { .name
= "reset", .gpio
= 1 << 7 },
736 { .name
= "power", .gpio
= 1 << 5, .polarity
= NORMAL
},
737 { .name
= "wlan", .gpio
= 1 << 3, .polarity
= NORMAL
},
738 { .name
= "connected", .gpio
= 1 << 0, .polarity
= NORMAL
},
743 .name
= "Netgear WGT634U",
745 { .name
= "reset", .gpio
= 1 << 2 },
748 { .name
= "power", .gpio
= 1 << 3, .polarity
= NORMAL
},
753 .name
= "Trendware TEW411BRP+",
755 { /* No usable buttons */ },
758 { .name
= "power", .gpio
= 1 << 7, .polarity
= NORMAL
},
759 { .name
= "wlan", .gpio
= 1 << 1, .polarity
= NORMAL
},
760 { .name
= "bridge", .gpio
= 1 << 6, .polarity
= NORMAL
},
765 .name
= "SimpleTech SimpleShare NAS",
767 { .name
= "reset", .gpio
= 1 << 7 }, // on back, hardwired, always resets device regardless OS state
768 { .name
= "power", .gpio
= 1 << 0 }, // on back
771 { .name
= "diag", .gpio
= 1 << 1, .polarity
= REVERSE
}, // actual name ready
773 .platform_init
= bcm4780_init
,
777 .name
= "D-Link DIR-130",
779 { .name
= "reset", .gpio
= 1 << 3},
780 { .name
= "reserved", .gpio
= 1 << 7},
783 { .name
= "diag", .gpio
= 1 << 0},
784 { .name
= "blue", .gpio
= 1 << 6},
788 .name
= "D-Link DIR-320",
790 { .name
= "reserved", .gpio
= 1 << 6},
791 { .name
= "reset", .gpio
= 1 << 7},
794 { .name
= "wlan", .gpio
= 1 << 0, .polarity
= NORMAL
},
795 { .name
= "diag", .gpio
= 1 << 1, .polarity
= NORMAL
}, /* "status led */
796 { .name
= "red", .gpio
= 1 << 3, .polarity
= REVERSE
},
797 { .name
= "blue", .gpio
= 1 << 4, .polarity
= REVERSE
},
798 { .name
= "usb", .gpio
= 1 << 5, .polarity
= NORMAL
},
802 .name
= "D-Link DIR-330",
804 { .name
= "reset", .gpio
= 1 << 3},
805 { .name
= "reserved", .gpio
= 1 << 7},
808 { .name
= "diag", .gpio
= 1 << 0},
809 { .name
= "usb", .gpio
= 1 << 4},
810 { .name
= "blue", .gpio
= 1 << 6},
814 .name
= "D-Link DWL-3150",
816 { .name
= "reset", .gpio
= 1 << 7},
819 { .name
= "diag", .gpio
= 1 << 2},
820 { .name
= "status", .gpio
= 1 << 1},
825 .name
= "Sitecom WL-105b",
827 { .name
= "reset", .gpio
= 1 << 10},
830 { .name
= "wlan", .gpio
= 1 << 4},
831 { .name
= "power", .gpio
= 1 << 3},
834 /* Western Digital Net Center */
836 .name
= "Western Digital NetCenter",
838 { .name
= "power", .gpio
= 1 << 0},
839 { .name
= "reset", .gpio
= 1 << 7},
841 .platform_init
= NetCenter_init
,
843 /* Askey (and clones) */
845 .name
= "Askey RT210W",
847 /* Power button is hard-wired to hardware reset */
848 /* but is also connected to GPIO 7 (probably for bootloader recovery) */
849 { .name
= "power", .gpio
= 1 << 7},
852 /* These were verified and named based on Belkin F5D4230-4 v1112 */
853 { .name
= "connected", .gpio
= 1 << 0, .polarity
= REVERSE
},
854 { .name
= "wlan", .gpio
= 1 << 3, .polarity
= REVERSE
},
855 { .name
= "power", .gpio
= 1 << 5, .polarity
= REVERSE
},
859 .name
= "OvisLink WL-1600GL",
861 { .name
= "reset", .gpio
= 1 << 3 },
862 { .name
= "ses", .gpio
= 1 << 4 },
865 { .name
= "power", .gpio
= 1 << 5, .polarity
= REVERSE
},
866 { .name
= "wps", .gpio
= 1 << 2, .polarity
= REVERSE
},
867 { .name
= "wlan", .gpio
= 1 << 1, .polarity
= REVERSE
},
868 { .name
= "connected", .gpio
= 1 << 0, .polarity
= REVERSE
},
873 static struct platform_t __init
*platform_detect(void)
875 char *boardnum
, *boardtype
, *buf
;
877 if (strcmp(getvar("nvram_type"), "cfe") == 0)
878 return &platforms
[WGT634U
];
880 /* Look for a model identifier */
882 /* Based on "model_name" */
883 if ((buf
= nvram_get("model_name"))) {
884 if (!strcmp(buf
, "DIR-130"))
885 return &platforms
[DIR130
];
886 if (!strcmp(buf
, "DIR-330"))
887 return &platforms
[DIR330
];
890 /* Based on "wsc_modelname */
891 if ((buf
= nvram_get("wsc_modelname"))) {
892 if (!strcmp(buf
, "WRT610N"))
893 return &platforms
[WRT610N
];
896 /* Based on "model_no" */
897 if ((buf
= nvram_get("model_no"))) {
898 if (startswith(buf
,"WL700")) /* WL700* */
899 return &platforms
[WL700GE
];
902 /* Based on "hardware_version" */
903 if ((buf
= nvram_get("hardware_version"))) {
904 if (startswith(buf
,"WL500GPV2-")) /* WL500GPV2-* */
905 return &platforms
[WL500GPV2
];
906 if (startswith(buf
,"WL520GC-")) /* WL520GU-* */
907 return &platforms
[WL520GC
];
908 if (startswith(buf
,"WL520GU-")) /* WL520GU-* */
909 return &platforms
[WL520GU
];
910 if (startswith(buf
,"WL330GE-")) /* WL330GE-* */
911 return &platforms
[WL330GE
];
914 /* Based on "ModelId" */
915 if ((buf
= nvram_get("ModelId"))) {
916 if (!strcmp(buf
, "WR850GP"))
917 return &platforms
[WR850GP
];
918 if (!strcmp(buf
, "WR850G"))
919 return &platforms
[WR850GV2V3
];
920 if (!strcmp(buf
, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
921 return &platforms
[TM2300
]; /* Dell TrueMobile 2300 */
922 if (startswith(buf
,"WE800G")) /* WE800G* */
923 return &platforms
[WE800G
];
927 if ((buf
= (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
928 /* Buffalo hardware, check id for specific hardware matches */
929 if (!strcmp(buf
, "29bb0332"))
930 return &platforms
[WBR2_G54
];
931 if (!strcmp(buf
, "29129"))
932 return &platforms
[WLA2_G54L
];
933 if (!strcmp(buf
, "30189"))
934 return &platforms
[WHR_HP_G54
];
935 if (!strcmp(buf
, "32093"))
936 return &platforms
[WHR_G125
];
937 if (!strcmp(buf
, "30182"))
938 return &platforms
[WHR_G54S
];
939 if (!strcmp(buf
, "290441dd"))
940 return &platforms
[WHR2_A54G54
];
941 if (!strcmp(buf
, "31120"))
942 return &platforms
[WZR_G300N
];
943 if (!strcmp(buf
, "30083"))
944 return &platforms
[WZR_RS_G54
];
945 if (!strcmp(buf
, "30103"))
946 return &platforms
[WZR_RS_G54HP
];
949 /* no easy model number, attempt to guess */
950 boardnum
= getvar("boardnum");
951 boardtype
= getvar("boardtype");
953 if (!strcmp(boardnum
, "20070615")) { /* Linksys WRT600N v1/V1.1 */
954 if (!strcmp(boardtype
, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
955 return &platforms
[WRT600NV11
];
957 if (!strcmp(boardtype
, "0x478") && !strcmp(getvar("cardbus"), "0"))
958 return &platforms
[WRT600N
];
961 if (startswith(getvar("pmon_ver"), "CFE")) {
962 /* CFE based - newer hardware */
963 if (!strcmp(boardnum
, "42")) { /* Linksys */
964 if (!strcmp(boardtype
, "0x478") && !strcmp(getvar("boot_hw_model"), "WRT300N") && !strcmp(getvar("boot_hw_ver"), "1.1"))
965 return &platforms
[WRT300NV11
];
967 if (!strcmp(boardtype
, "0x478") && !strcmp(getvar("cardbus"), "1"))
968 return &platforms
[WRT350N
];
970 if (!strcmp(boardtype
, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
971 return &platforms
[WRT54G3G
];
973 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
974 return &platforms
[WRTSL54GS
];
976 if (!strcmp(boardtype
, "0x0472"))
977 return &platforms
[WRT160N
];
979 /* default to WRT54G */
980 return &platforms
[WRT54G
];
982 if (!strcmp(boardnum
, "1024") && !strcmp(boardtype
, "0x0446"))
983 return &platforms
[WAP54GV2
];
985 if (!strcmp(boardnum
, "8") && !strcmp(boardtype
, "0x048e"))
986 return &platforms
[WL1600GL
];
989 if (!strcmp(boardnum
, "44") || !strcmp(boardnum
, "44\r")) {
990 if (!strcmp(boardtype
,"0x0101") || !strcmp(boardtype
, "0x0101\r"))
991 return &platforms
[TM2300V2
]; /* Dell TrueMobile 2300 v2 */
994 if (!strcmp(boardnum
, "45")) { /* ASUS */
995 if (!strcmp(boardtype
,"0x042f"))
996 return &platforms
[WL500GP
];
997 else if (!strcmp(boardtype
,"0x0472"))
998 return &platforms
[WL500W
];
999 else if (!strcmp(boardtype
,"0x467"))
1000 return &platforms
[WL320GE
];
1002 return &platforms
[WL500GD
];
1005 if (!strcmp(boardnum
, "10496"))
1006 return &platforms
[USR5461
];
1008 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1009 return &platforms
[SE505V2
];
1011 if (!strcmp(boardtype
, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1012 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1013 return &platforms
[DIR320
];
1015 if (!strncmp(boardnum
, "TH",2) && !strcmp(boardtype
,"0x042f")) {
1016 return &platforms
[WDNetCenter
];
1019 } else { /* PMON based - old stuff */
1020 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL
, 0) == 9) &&
1021 (simple_strtoul(getvar("et0phyaddr"), NULL
, 0) == 30)) {
1022 return &platforms
[WR850GV1
];
1024 if (startswith(boardtype
, "bcm94710dev")) {
1025 if (!strcmp(boardnum
, "42"))
1026 return &platforms
[WRT54GV1
];
1027 if (simple_strtoul(boardnum
, NULL
, 0) == 2)
1028 return &platforms
[WAP54GV1
];
1030 if (startswith(getvar("hardware_version"), "WL500-"))
1031 return &platforms
[WL500G
];
1032 if (startswith(getvar("hardware_version"), "WL300-")) {
1033 /* Either WL-300g or WL-HDD, do more extensive checks */
1034 if ((simple_strtoul(getvar("et0phyaddr"), NULL
, 0) == 0) &&
1035 (simple_strtoul(getvar("et1phyaddr"), NULL
, 0) == 1))
1036 return &platforms
[WLHDD
];
1037 if ((simple_strtoul(getvar("et0phyaddr"), NULL
, 0) == 0) &&
1038 (simple_strtoul(getvar("et1phyaddr"), NULL
, 0) == 10))
1039 return &platforms
[WL300G
];
1041 /* Sitecom WL-105b */
1042 if (startswith(boardnum
, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL
, 0) == 1)
1043 return &platforms
[WL105B
];
1045 /* unknown asus stuff, probably bcm4702 */
1046 if (startswith(boardnum
, "asusX"))
1047 return &platforms
[ASUS_4702
];
1049 /* bcm4702 based Askey RT210W clones, Including:
1050 * Askey RT210W (duh?)
1052 * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1054 if (!strcmp(boardtype
,"bcm94710r4")
1055 && !strcmp(boardnum
,"100")
1056 && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1058 return &platforms
[RT210W
];
1062 if (buf
|| !strcmp(boardnum
, "00")) {/* probably buffalo */
1063 if (startswith(boardtype
, "bcm94710ap"))
1064 return &platforms
[BUFFALO_UNKNOWN_4710
];
1066 return &platforms
[BUFFALO_UNKNOWN
];
1069 if (startswith(getvar("CFEver"), "MotoWRv2") ||
1070 startswith(getvar("CFEver"), "MotoWRv3") ||
1071 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1073 return &platforms
[WR850GV2V3
];
1076 if (!strcmp(boardnum
, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
1077 return &platforms
[TEW411BRPP
];
1080 if (startswith(boardnum
, "04FN52")) /* SimpleTech SimpleShare */
1081 return &platforms
[STI_NAS
];
1083 if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1084 return &platforms
[DWL3150
];
1090 static void register_buttons(struct button_t
*b
)
1092 for (; b
->name
; b
++)
1093 platform
.button_mask
|= b
->gpio
;
1095 platform
.button_mask
&= ~gpiomask
;
1097 gpio_outen(platform
.button_mask
, 0);
1098 gpio_control(platform
.button_mask
, 0);
1099 platform
.button_polarity
= gpio_in() & platform
.button_mask
;
1100 gpio_intpolarity(platform
.button_mask
, platform
.button_polarity
);
1101 gpio_setintmask(platform
.button_mask
, platform
.button_mask
);
1103 gpio_set_irqenable(1, button_handler
);
1106 static void unregister_buttons(struct button_t
*b
)
1108 gpio_setintmask(platform
.button_mask
, 0);
1110 gpio_set_irqenable(0, button_handler
);
1115 static void add_msg(struct event_t
*event
, char *msg
, int argv
)
1122 s
= skb_put(event
->skb
, strlen(msg
) + 1);
1126 static void hotplug_button(struct work_struct
*work
)
1128 struct event_t
*event
= container_of(work
, struct event_t
, wq
);
1134 event
->skb
= alloc_skb(2048, GFP_KERNEL
);
1136 s
= skb_put(event
->skb
, strlen(event
->action
) + 2);
1137 sprintf(s
, "%s@", event
->action
);
1140 NETLINK_CB(event
->skb
).dst_group
= 1;
1141 netlink_broadcast(uevent_sock
, event
->skb
, 0, 1, GFP_KERNEL
);
1146 #else /* !LINUX_2_4 */
1147 static inline char *kzalloc(unsigned int size
, unsigned int gfp
)
1151 p
= kmalloc(size
, gfp
);
1160 static void add_msg(struct event_t
*event
, char *msg
, int argv
)
1163 event
->argv
[event
->anr
++] = event
->scratch
;
1165 event
->envp
[event
->enr
++] = event
->scratch
;
1167 event
->scratch
+= sprintf(event
->scratch
, "%s", msg
) + 1;
1170 static void hotplug_button(struct event_t
*event
)
1172 char *scratch
= kzalloc(256, GFP_KERNEL
);
1173 event
->scratch
= scratch
;
1175 add_msg(event
, hotplug_path
, 1);
1176 add_msg(event
, "button", 1);
1178 call_usermodehelper (event
->argv
[0], event
->argv
, event
->envp
);
1182 #endif /* !LINUX_2_4 */
1184 static int fill_event (struct event_t
*event
)
1186 static char buf
[128];
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);
1198 snprintf(buf
, 128, "SEQNUM=%llu", uevent_next_seqnum());
1199 add_msg(event
, buf
, 0);
1207 static irqreturn_t
button_handler(int irq
, void *dev_id
)
1209 static irqreturn_t
button_handler(int irq
, void *dev_id
, struct pt_regs
*regs
)
1215 in
= gpio_in() & platform
.button_mask
;
1216 gpio_intpolarity(platform
.button_mask
, in
);
1217 changed
= platform
.button_polarity
^ in
;
1218 platform
.button_polarity
= in
;
1220 changed
&= ~gpio_outen(0, 0);
1222 for (b
= platform
.buttons
; b
->name
; b
++) {
1223 struct event_t
*event
;
1225 if (!(b
->gpio
& changed
)) continue;
1229 if ((event
= (struct event_t
*)kzalloc (sizeof(struct event_t
), GFP_ATOMIC
))) {
1230 event
->seen
= (jiffies
- b
->seen
)/HZ
;
1231 event
->name
= b
->name
;
1232 event
->action
= b
->pressed
? "pressed" : "released";
1233 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
1234 INIT_WORK(&event
->wq
, (void *)(void *)hotplug_button
);
1236 INIT_WORK(&event
->wq
, (void *)(void *)hotplug_button
, (void *)event
);
1238 schedule_work(&event
->wq
);
1246 static void register_leds(struct led_t
*l
)
1248 struct proc_dir_entry
*p
;
1253 leds
= proc_mkdir("led", diag
);
1257 for(; l
->name
; l
++) {
1258 if (l
->gpio
& gpiomask
)
1261 if (l
->gpio
& GPIO_TYPE_EXTIF
) {
1265 if (l
->polarity
!= INPUT
) oe_mask
|= l
->gpio
;
1267 val
|= (l
->polarity
== NORMAL
)?0:l
->gpio
;
1270 if (l
->polarity
== INPUT
) continue;
1272 if ((p
= create_proc_entry(l
->name
, S_IRUSR
, leds
))) {
1273 l
->proc
.type
= PROC_LED
;
1275 p
->data
= (void *) &l
->proc
;
1276 p
->proc_fops
= &diag_proc_fops
;
1280 gpio_outen(mask
, oe_mask
);
1281 gpio_control(mask
, 0);
1282 gpio_out(mask
, val
);
1283 gpio_setintmask(mask
, 0);
1286 static void unregister_leds(struct led_t
*l
)
1289 remove_proc_entry(l
->name
, leds
);
1291 remove_proc_entry("led", diag
);
1294 static void set_led_extif(struct led_t
*led
)
1296 gpio_set_extif(led
->gpio
, led
->state
);
1299 static void led_flash(unsigned long dummy
) {
1304 for (l
= platform
.leds
; l
->name
; l
++) {
1306 if (l
->gpio
& GPIO_TYPE_EXTIF
) {
1308 l
->state
= !l
->state
;
1318 u32 val
= ~gpio_in();
1320 gpio_outen(mask
, mask
);
1321 gpio_control(mask
, 0);
1322 gpio_out(mask
, val
);
1324 if (mask
|| extif_blink
) {
1325 mod_timer(&led_timer
, jiffies
+ FLASH_TIME
);
1329 static ssize_t
diag_proc_read(struct file
*file
, char *buf
, size_t count
, loff_t
*ppos
)
1332 struct inode
*inode
= file
->f_dentry
->d_inode
;
1333 struct proc_dir_entry
*dent
= inode
->u
.generic_ip
;
1335 struct proc_dir_entry
*dent
= PDE(file
->f_dentry
->d_inode
);
1340 if ((page
= kmalloc(1024, GFP_KERNEL
)) == NULL
)
1343 if (dent
->data
!= NULL
) {
1344 struct prochandler_t
*handler
= (struct prochandler_t
*) dent
->data
;
1345 switch (handler
->type
) {
1347 struct led_t
* led
= (struct led_t
*) handler
->ptr
;
1349 len
= sprintf(page
, "f\n");
1351 if (led
->gpio
& GPIO_TYPE_EXTIF
) {
1352 len
= sprintf(page
, "%d\n", led
->state
);
1354 u32 in
= (gpio_in() & led
->gpio
? 1 : 0);
1355 u8 p
= (led
->polarity
== NORMAL
? 0 : 1);
1356 len
= sprintf(page
, "%d\n", ((in
^ p
) ? 1 : 0));
1362 len
= sprintf(page
, "%s\n", platform
.name
);
1365 len
= sprintf(page
, "0x%04x\n", gpiomask
);
1372 len
= min_t(int, len
- *ppos
, count
);
1373 if (copy_to_user(buf
, (page
+ *ppos
), len
)) {
1387 static ssize_t
diag_proc_write(struct file
*file
, const char *buf
, size_t count
, loff_t
*ppos
)
1390 struct inode
*inode
= file
->f_dentry
->d_inode
;
1391 struct proc_dir_entry
*dent
= inode
->u
.generic_ip
;
1393 struct proc_dir_entry
*dent
= PDE(file
->f_dentry
->d_inode
);
1398 if ((page
= kmalloc(count
+ 1, GFP_KERNEL
)) == NULL
)
1401 if (copy_from_user(page
, buf
, count
)) {
1407 if (dent
->data
!= NULL
) {
1408 struct prochandler_t
*handler
= (struct prochandler_t
*) dent
->data
;
1409 switch (handler
->type
) {
1411 struct led_t
*led
= (struct led_t
*) handler
->ptr
;
1412 int p
= (led
->polarity
== NORMAL
? 0 : 1);
1414 if (page
[0] == 'f') {
1419 if (led
->gpio
& GPIO_TYPE_EXTIF
) {
1420 led
->state
= p
^ ((page
[0] == '1') ? 1 : 0);
1423 gpio_outen(led
->gpio
, led
->gpio
);
1424 gpio_control(led
->gpio
, 0);
1425 gpio_out(led
->gpio
, ((p
^ (page
[0] == '1')) ? led
->gpio
: 0));
1431 gpiomask
= simple_strtoul(page
, NULL
, 0);
1433 if (platform
.buttons
) {
1434 unregister_buttons(platform
.buttons
);
1435 register_buttons(platform
.buttons
);
1438 if (platform
.leds
) {
1439 unregister_leds(platform
.leds
);
1440 register_leds(platform
.leds
);
1451 static int __init
diag_init(void)
1453 static struct proc_dir_entry
*p
;
1454 static struct platform_t
*detected
;
1456 detected
= platform_detect();
1458 printk(MODULE_NAME
": Router model not detected.\n");
1461 memcpy(&platform
, detected
, sizeof(struct platform_t
));
1463 printk(MODULE_NAME
": Detected '%s'\n", platform
.name
);
1464 if (platform
.platform_init
!= NULL
) {
1465 platform
.platform_init();
1468 if (!(diag
= proc_mkdir("diag", NULL
))) {
1469 printk(MODULE_NAME
": proc_mkdir on /proc/diag failed\n");
1473 if ((p
= create_proc_entry("model", S_IRUSR
, diag
))) {
1474 p
->data
= (void *) &proc_model
;
1475 p
->proc_fops
= &diag_proc_fops
;
1478 if ((p
= create_proc_entry("gpiomask", S_IRUSR
| S_IWUSR
, diag
))) {
1479 p
->data
= (void *) &proc_gpiomask
;
1480 p
->proc_fops
= &diag_proc_fops
;
1483 if (platform
.buttons
)
1484 register_buttons(platform
.buttons
);
1487 register_leds(platform
.leds
);
1492 static void __exit
diag_exit(void)
1494 del_timer(&led_timer
);
1496 if (platform
.buttons
)
1497 unregister_buttons(platform
.buttons
);
1500 unregister_leds(platform
.leds
);
1502 remove_proc_entry("model", diag
);
1503 remove_proc_entry("gpiomask", diag
);
1504 remove_proc_entry("diag", NULL
);
1507 module_init(diag_init
);
1508 module_exit(diag_exit
);
1510 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1511 MODULE_LICENSE("GPL");