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.
24 #include <linux/module.h>
25 #include <linux/pci.h>
26 #include <linux/kmod.h>
27 #include <linux/proc_fs.h>
28 #include <linux/timer.h>
29 #include <linux/version.h>
30 #include <asm/uaccess.h>
33 #include <linux/workqueue.h>
34 #include <linux/skbuff.h>
35 #include <linux/netlink.h>
37 extern struct sock *uevent_sock;
38 extern u64 uevent_next_seqnum(void);
40 #include <linux/tqueue.h>
41 #define INIT_WORK INIT_TQUEUE
42 #define schedule_work schedule_task
43 #define work_struct tq_struct
48 #define getvar(str) (nvram_get(str)?:"")
50 static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
51 static int fill_event(struct event_t *);
52 static unsigned int gpiomask = 0;
53 module_param(gpiomask, int, 0644);
131 static void __init bcm4780_init(void) {
134 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
135 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
136 gpio_outen(pin, pin);
137 gpio_control(pin, 0);
140 /* Wait 5s, so the HDD can spin up */
141 set_current_state(TASK_INTERRUPTIBLE);
142 schedule_timeout(HZ * 5);
145 static void __init bcm57xx_init(void) {
149 /* FIXME: switch comes up, but port mappings/vlans not right */
150 gpio_outen(pin, pin);
151 gpio_control(pin, 0);
156 static struct platform_t __initdata platforms[] = {
159 .name = "Linksys WAP54G V1",
161 { .name = "reset", .gpio = 1 << 0 },
164 { .name = "diag", .gpio = 1 << 3 },
165 { .name = "wlan", .gpio = 1 << 4 },
169 .name = "Linksys WAP54G V3",
171 /* FIXME: verify this */
172 { .name = "reset", .gpio = 1 << 7 },
173 { .name = "ses", .gpio = 1 << 0 },
177 { .name = "ses", .gpio = 1 << 1 },
181 .name = "Linksys WRT54G V1.x",
183 { .name = "reset", .gpio = 1 << 6 },
186 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
187 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
191 .name = "Linksys WRT54G/GS/GL",
193 { .name = "reset", .gpio = 1 << 6 },
194 { .name = "ses", .gpio = 1 << 4 },
197 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
198 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
199 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
200 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
201 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
205 .name = "Linksys WRTSL54GS",
207 { .name = "reset", .gpio = 1 << 6 },
208 { .name = "ses", .gpio = 1 << 4 },
211 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
212 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
213 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
214 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
218 .name = "Linksys WRT54G3G",
220 { .name = "reset", .gpio = 1 << 6 },
221 { .name = "3g", .gpio = 1 << 4 },
224 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
225 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
226 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
227 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
228 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
232 .name = "Linksys WRT350N",
234 { .name = "reset", .gpio = 1 << 6 },
235 { .name = "ses", .gpio = 1 << 8 },
238 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
239 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
240 { .name = "ses_green", .gpio = 1 << 9, .polarity = REVERSE },
241 { .name = "usb_blink", .gpio = 1 << 10, .polarity = REVERSE },
242 { .name = "usb", .gpio = 1 << 11, .polarity = REVERSE },
244 .platform_init = bcm57xx_init,
247 .name = "Linksys WRT600N",
249 { .name = "reset", .gpio = 1 << 6 },
250 { .name = "ses", .gpio = 1 << 7 },
253 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
254 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
255 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
256 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
257 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
258 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
260 .platform_init = bcm57xx_init,
263 .name = "Linksys WRT600N V1.1",
265 { .name = "reset", .gpio = 1 << 6 },
266 { .name = "ses", .gpio = 1 << 7 },
269 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
270 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
271 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
272 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
273 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
274 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
276 .platform_init = bcm57xx_init,
280 .name = "ASUS WL-HDD",
282 { .name = "reset", .gpio = 1 << 6 },
285 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
286 { .name = "usb", .gpio = 1 << 2, .polarity = NORMAL },
290 .name = "ASUS WL-300g",
292 { .name = "reset", .gpio = 1 << 6 },
295 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
299 .name = "ASUS WL-500g",
301 { .name = "reset", .gpio = 1 << 6 },
304 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
308 .name = "ASUS WL-500g Deluxe",
310 { .name = "reset", .gpio = 1 << 6 },
313 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
317 .name = "ASUS WL-500g Premium",
319 { .name = "reset", .gpio = 1 << 0 },
320 { .name = "ses", .gpio = 1 << 4 },
323 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
327 .name = "ASUS WL-500g Premium V2",
329 { .name = "reset", .gpio = 1 << 2 },
330 { .name = "ses", .gpio = 1 << 3 },
333 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
334 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
338 .name = "ASUS WL-500W",
340 { .name = "reset", .gpio = 1 << 6 },
341 { .name = "ses", .gpio = 1 << 7 },
344 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
348 .name = "ASUS WL-520GC",
350 { .name = "reset", .gpio = 1 << 2 },
351 { .name = "ses", .gpio = 1 << 3 },
354 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
355 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
359 .name = "ASUS WL-520gU",
361 { .name = "reset", .gpio = 1 << 2 },
362 { .name = "ses", .gpio = 1 << 3 },
365 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
366 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
370 .name = "ASUS (unknown, BCM4702)",
372 { .name = "reset", .gpio = 1 << 6 },
375 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
379 .name = "ASUS WL-700gE",
381 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
382 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
383 { .name = "power", .gpio = 1 << 0 }, // on front
384 { .name = "copy", .gpio = 1 << 6 }, // on front
388 // GPIO that controls power led also enables/disables some essential functions
391 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
393 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
395 .platform_init = bcm4780_init,
399 .name = "Buffalo WHR-G54S",
401 { .name = "reset", .gpio = 1 << 4 },
402 { .name = "bridge", .gpio = 1 << 5 },
403 { .name = "ses", .gpio = 1 << 0 },
406 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
407 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
408 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
409 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
410 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
414 .name = "Buffalo WBR2-G54",
417 { .name = "reset", .gpio = 1 << 7 },
420 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
424 .name = "Buffalo WHR-HP-G54",
426 { .name = "reset", .gpio = 1 << 4 },
427 { .name = "bridge", .gpio = 1 << 5 },
428 { .name = "ses", .gpio = 1 << 0 },
431 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
432 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
433 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
434 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
435 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
439 .name = "Buffalo WHR-G125",
441 { .name = "reset", .gpio = 1 << 4 },
442 { .name = "bridge", .gpio = 1 << 5 },
443 { .name = "ses", .gpio = 1 << 0 },
446 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
447 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
448 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
449 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
450 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
454 .name = "Buffalo WHR2-A54G54",
456 { .name = "reset", .gpio = 1 << 4 },
459 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
463 .name = "Buffalo WLA2-G54L",
466 { .name = "reset", .gpio = 1 << 7 },
469 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
473 .name = "Buffalo WZR-G300N",
475 { .name = "reset", .gpio = 1 << 4 },
478 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
479 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
480 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
484 .name = "Buffalo WZR-RS-G54",
486 { .name = "ses", .gpio = 1 << 0 },
487 { .name = "reset", .gpio = 1 << 4 },
490 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
491 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
492 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
496 .name = "Buffalo WZR-RS-G54HP",
498 { .name = "ses", .gpio = 1 << 0 },
499 { .name = "reset", .gpio = 1 << 4 },
502 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
503 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
504 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
507 [BUFFALO_UNKNOWN] = {
508 .name = "Buffalo (unknown)",
510 { .name = "reset", .gpio = 1 << 7 },
513 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
516 [BUFFALO_UNKNOWN_4710] = {
517 .name = "Buffalo (unknown, BCM4710)",
519 { .name = "reset", .gpio = 1 << 4 },
522 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
527 .name = "Siemens SE505 V1",
529 /* No usable buttons */
532 // { .name = "power", .gpio = 1 << 0 .polarity = REVERSE }, // Usable when retrofitting D26 (?)
533 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE }, // actual name WWW
534 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
538 .name = "Siemens SE505 V2",
540 /* No usable buttons */
543 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
544 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE }, // actual name WWW
545 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
550 .name = "U.S. Robotics USR5461",
552 /* No usable buttons */
555 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
556 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
561 .name = "Dell TrueMobile 2300",
563 { .name = "reset", .gpio = 1 << 0 },
566 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
567 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
571 .name = "Dell TrueMobile 2300 v2",
573 { .name = "reset", .gpio = 1 << 0 },
576 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
577 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
582 .name = "Motorola WE800G",
584 { .name = "reset", .gpio = 1 << 0 },
587 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
588 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
589 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
593 .name = "Motorola WR850G V1",
595 { .name = "reset", .gpio = 1 << 0 },
598 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
599 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
600 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
601 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
602 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
606 .name = "Motorola WR850G V2/V3",
608 { .name = "reset", .gpio = 1 << 5 },
611 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
612 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
613 { .name = "wan", .gpio = 1 << 6, .polarity = INPUT },
614 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
618 .name = "Motorola WR850GP",
620 { .name = "reset", .gpio = 1 << 5 },
623 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
624 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
625 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
626 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
632 .name = "Belkin (unknown)",
633 /* FIXME: verify & add detection */
635 { .name = "reset", .gpio = 1 << 7 },
638 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
639 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
640 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
645 .name = "Netgear WGT634U",
647 { .name = "reset", .gpio = 1 << 2 },
650 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
655 .name = "Trendware TEW411BRP+",
657 { /* No usable buttons */ },
660 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
661 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
662 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
667 .name = "SimpleTech SimpleShare NAS",
669 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
670 { .name = "power", .gpio = 1 << 0 }, // on back
673 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
675 .platform_init = bcm4780_init,
679 .name = "D-Link DIR-130",
681 { .name = "reset", .gpio = 1 << 3},
682 { .name = "reserved", .gpio = 1 << 7},
685 { .name = "diag", .gpio = 1 << 0},
686 { .name = "blue", .gpio = 1 << 6},
690 .name = "D-Link DIR-330",
692 { .name = "reset", .gpio = 1 << 3},
693 { .name = "reserved", .gpio = 1 << 7},
696 { .name = "diag", .gpio = 1 << 0},
697 { .name = "usb", .gpio = 1 << 4},
698 { .name = "blue", .gpio = 1 << 6},
702 .name = "D-Link DWL-3150",
704 { .name = "reset", .gpio = 1 << 7},
707 { .name = "diag", .gpio = 1 << 2},
708 { .name = "status", .gpio = 1 << 1},
713 .name = "Sitecom WL-105b",
715 { .name = "reset", .gpio = 1 << 10},
718 { .name = "wlan", .gpio = 1 << 4},
719 { .name = "power", .gpio = 1 << 3},
724 static struct platform_t __init *platform_detect(void)
726 char *boardnum, *boardtype, *buf;
728 if (strcmp(getvar("nvram_type"), "cfe") == 0)
729 return &platforms[WGT634U];
731 /* Look for a model identifier */
733 /* Based on "model_name" */
734 if ((buf = nvram_get("model_name"))) {
735 if (!strcmp(buf, "DIR-130"))
736 return &platforms[DIR130];
737 if (!strcmp(buf, "DIR-330"))
738 return &platforms[DIR330];
741 /* Based on "model_no" */
742 if ((buf = nvram_get("model_no"))) {
743 if (startswith(buf,"WL700")) /* WL700* */
744 return &platforms[WL700GE];
747 /* Based on "hardware_version" */
748 if ((buf = nvram_get("hardware_version"))) {
749 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
750 return &platforms[WL500GPV2];
751 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
752 return &platforms[WL520GC];
753 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
754 return &platforms[WL520GU];
757 /* Based on "ModelId" */
758 if ((buf = nvram_get("ModelId"))) {
759 if (!strcmp(buf, "WR850GP"))
760 return &platforms[WR850GP];
761 if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
762 return &platforms[TM2300]; /* Dell TrueMobile 2300 */
763 if (startswith(buf,"WE800G")) /* WE800G* */
764 return &platforms[WE800G];
768 if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
769 /* Buffalo hardware, check id for specific hardware matches */
770 if (!strcmp(buf, "29bb0332"))
771 return &platforms[WBR2_G54];
772 if (!strcmp(buf, "29129"))
773 return &platforms[WLA2_G54L];
774 if (!strcmp(buf, "30189"))
775 return &platforms[WHR_HP_G54];
776 if (!strcmp(buf, "32093"))
777 return &platforms[WHR_G125];
778 if (!strcmp(buf, "30182"))
779 return &platforms[WHR_G54S];
780 if (!strcmp(buf, "290441dd"))
781 return &platforms[WHR2_A54G54];
782 if (!strcmp(buf, "31120"))
783 return &platforms[WZR_G300N];
784 if (!strcmp(buf, "30083"))
785 return &platforms[WZR_RS_G54];
786 if (!strcmp(buf, "30103"))
787 return &platforms[WZR_RS_G54HP];
790 /* no easy model number, attempt to guess */
791 boardnum = getvar("boardnum");
792 boardtype = getvar("boardtype");
794 if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N v1/V1.1 */
795 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
796 return &platforms[WRT600NV11];
798 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
799 return &platforms[WRT600N];
802 if (startswith(getvar("pmon_ver"), "CFE")) {
803 /* CFE based - newer hardware */
804 if (!strcmp(boardnum, "42")) { /* Linksys */
805 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
806 return &platforms[WRT350N];
808 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
809 return &platforms[WRT54G3G];
811 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
812 return &platforms[WRTSL54GS];
814 /* default to WRT54G */
815 return &platforms[WRT54G];
818 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
819 if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
820 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
823 if (!strcmp(boardnum, "45")) { /* ASUS */
824 if (!strcmp(boardtype,"0x042f"))
825 return &platforms[WL500GP];
826 else if (!strcmp(boardtype,"0x0472"))
827 return &platforms[WL500W];
829 return &platforms[WL500GD];
832 if (!strcmp(boardnum, "10496"))
833 return &platforms[USR5461];
835 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
836 return &platforms[SE505V2];
838 } else { /* PMON based - old stuff */
839 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
840 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
841 return &platforms[WR850GV1];
843 if (startswith(boardtype, "bcm94710dev")) {
844 if (!strcmp(boardnum, "42"))
845 return &platforms[WRT54GV1];
846 if (simple_strtoul(boardnum, NULL, 0) == 2)
847 return &platforms[WAP54GV1];
849 if (startswith(getvar("hardware_version"), "WL500-"))
850 return &platforms[WL500G];
851 if (startswith(getvar("hardware_version"), "WL300-")) {
852 /* Either WL-300g or WL-HDD, do more extensive checks */
853 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
854 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
855 return &platforms[WLHDD];
856 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
857 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
858 return &platforms[WL300G];
860 /* Sitecom WL-105b */
861 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
862 return &platforms[WL105B];
864 /* unknown asus stuff, probably bcm4702 */
865 if (startswith(boardnum, "asusX"))
866 return &platforms[ASUS_4702];
869 if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
870 if (startswith(boardtype, "bcm94710ap"))
871 return &platforms[BUFFALO_UNKNOWN_4710];
873 return &platforms[BUFFALO_UNKNOWN];
876 if (startswith(getvar("CFEver"), "MotoWRv2") ||
877 startswith(getvar("CFEver"), "MotoWRv3") ||
878 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
880 return &platforms[WR850GV2V3];
883 if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
884 return &platforms[TEW411BRPP];
887 if (startswith(boardnum, "04FN52")) /* SimpleTech SimpleShare */
888 return &platforms[STI_NAS];
890 if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
891 return &platforms[DWL3150];
897 static void register_buttons(struct button_t *b)
900 platform.button_mask |= b->gpio;
902 platform.button_mask &= ~gpiomask;
904 gpio_outen(platform.button_mask, 0);
905 gpio_control(platform.button_mask, 0);
906 platform.button_polarity = gpio_in() & platform.button_mask;
907 gpio_intpolarity(platform.button_mask, platform.button_polarity);
908 gpio_intmask(platform.button_mask, platform.button_mask);
910 gpio_set_irqenable(1, button_handler);
913 static void unregister_buttons(struct button_t *b)
915 gpio_intmask(platform.button_mask, 0);
917 gpio_set_irqenable(0, button_handler);
922 static void add_msg(struct event_t *event, char *msg, int argv)
929 s = skb_put(event->skb, strlen(msg) + 1);
933 static void hotplug_button(struct work_struct *work)
935 struct event_t *event = container_of(work, struct event_t, wq);
941 event->skb = alloc_skb(2048, GFP_KERNEL);
943 s = skb_put(event->skb, strlen(event->action) + 2);
944 sprintf(s, "%s@", event->action);
947 NETLINK_CB(event->skb).dst_group = 1;
948 netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
953 #else /* !LINUX_2_4 */
954 static inline char *kzalloc(unsigned int size, unsigned int gfp)
958 p = kmalloc(size, gfp);
967 static void add_msg(struct event_t *event, char *msg, int argv)
970 event->argv[event->anr++] = event->scratch;
972 event->envp[event->enr++] = event->scratch;
974 event->scratch += sprintf(event->scratch, "%s", msg) + 1;
977 static void hotplug_button(struct event_t *event)
979 char *scratch = kzalloc(256, GFP_KERNEL);
980 event->scratch = scratch;
982 add_msg(event, hotplug_path, 1);
983 add_msg(event, "button", 1);
985 call_usermodehelper (event->argv[0], event->argv, event->envp);
989 #endif /* !LINUX_2_4 */
991 static int fill_event (struct event_t *event)
993 static char buf[128];
995 add_msg(event, "HOME=/", 0);
996 add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
997 add_msg(event, "SUBSYSTEM=button", 0);
998 snprintf(buf, 128, "ACTION=%s", event->action);
999 add_msg(event, buf, 0);
1000 snprintf(buf, 128, "BUTTON=%s", event->name);
1001 add_msg(event, buf, 0);
1002 snprintf(buf, 128, "SEEN=%ld", event->seen);
1003 add_msg(event, buf, 0);
1005 snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1006 add_msg(event, buf, 0);
1014 static irqreturn_t button_handler(int irq, void *dev_id)
1016 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
1022 in = gpio_in() & platform.button_mask;
1023 gpio_intpolarity(platform.button_mask, in);
1024 changed = platform.button_polarity ^ in;
1025 platform.button_polarity = in;
1027 changed &= ~gpio_outen(0, 0);
1029 for (b = platform.buttons; b->name; b++) {
1030 struct event_t *event;
1032 if (!(b->gpio & changed)) continue;
1036 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1037 event->seen = (jiffies - b->seen)/HZ;
1038 event->name = b->name;
1039 event->action = b->pressed ? "pressed" : "released";
1040 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
1041 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1043 INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
1045 schedule_work(&event->wq);
1053 static void register_leds(struct led_t *l)
1055 struct proc_dir_entry *p;
1060 leds = proc_mkdir("led", diag);
1064 for(; l->name; l++) {
1065 if (l->gpio & gpiomask)
1068 if (l->gpio & GPIO_TYPE_EXTIF) {
1072 if (l->polarity != INPUT) oe_mask |= l->gpio;
1074 val |= (l->polarity == NORMAL)?0:l->gpio;
1077 if (l->polarity == INPUT) continue;
1079 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1080 l->proc.type = PROC_LED;
1082 p->data = (void *) &l->proc;
1083 p->proc_fops = &diag_proc_fops;
1087 gpio_outen(mask, oe_mask);
1088 gpio_control(mask, 0);
1089 gpio_out(mask, val);
1092 static void unregister_leds(struct led_t *l)
1095 remove_proc_entry(l->name, leds);
1097 remove_proc_entry("led", diag);
1100 static void set_led_extif(struct led_t *led)
1102 gpio_set_extif(led->gpio, led->state);
1105 static void led_flash(unsigned long dummy) {
1110 for (l = platform.leds; l->name; l++) {
1112 if (l->gpio & GPIO_TYPE_EXTIF) {
1114 l->state = !l->state;
1124 u32 val = ~gpio_in();
1126 gpio_outen(mask, mask);
1127 gpio_control(mask, 0);
1128 gpio_out(mask, val);
1130 if (mask || extif_blink) {
1131 mod_timer(&led_timer, jiffies + FLASH_TIME);
1135 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1138 struct inode *inode = file->f_dentry->d_inode;
1139 struct proc_dir_entry *dent = inode->u.generic_ip;
1141 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1146 if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1149 if (dent->data != NULL) {
1150 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1151 switch (handler->type) {
1153 struct led_t * led = (struct led_t *) handler->ptr;
1155 len = sprintf(page, "f\n");
1157 if (led->gpio & GPIO_TYPE_EXTIF) {
1158 len = sprintf(page, "%d\n", led->state);
1160 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1161 u8 p = (led->polarity == NORMAL ? 0 : 1);
1162 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1168 len = sprintf(page, "%s\n", platform.name);
1171 len = sprintf(page, "0x%04x\n", gpiomask);
1178 len = min_t(int, len - *ppos, count);
1179 if (copy_to_user(buf, (page + *ppos), len)) {
1193 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1196 struct inode *inode = file->f_dentry->d_inode;
1197 struct proc_dir_entry *dent = inode->u.generic_ip;
1199 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1204 if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1207 if (copy_from_user(page, buf, count)) {
1213 if (dent->data != NULL) {
1214 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1215 switch (handler->type) {
1217 struct led_t *led = (struct led_t *) handler->ptr;
1218 int p = (led->polarity == NORMAL ? 0 : 1);
1220 if (page[0] == 'f') {
1225 if (led->gpio & GPIO_TYPE_EXTIF) {
1226 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1229 gpio_outen(led->gpio, led->gpio);
1230 gpio_control(led->gpio, 0);
1231 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1237 gpiomask = simple_strtoul(page, NULL, 0);
1239 if (platform.buttons) {
1240 unregister_buttons(platform.buttons);
1241 register_buttons(platform.buttons);
1244 if (platform.leds) {
1245 unregister_leds(platform.leds);
1246 register_leds(platform.leds);
1257 static int __init diag_init(void)
1259 static struct proc_dir_entry *p;
1260 static struct platform_t *detected;
1262 detected = platform_detect();
1264 printk(MODULE_NAME ": Router model not detected.\n");
1267 memcpy(&platform, detected, sizeof(struct platform_t));
1269 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1270 if (platform.platform_init != NULL) {
1271 platform.platform_init();
1274 if (!(diag = proc_mkdir("diag", NULL))) {
1275 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1279 if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1280 p->data = (void *) &proc_model;
1281 p->proc_fops = &diag_proc_fops;
1284 if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1285 p->data = (void *) &proc_gpiomask;
1286 p->proc_fops = &diag_proc_fops;
1289 if (platform.buttons)
1290 register_buttons(platform.buttons);
1293 register_leds(platform.leds);
1298 static void __exit diag_exit(void)
1300 del_timer(&led_timer);
1302 if (platform.buttons)
1303 unregister_buttons(platform.buttons);
1306 unregister_leds(platform.leds);
1308 remove_proc_entry("model", diag);
1309 remove_proc_entry("gpiomask", diag);
1310 remove_proc_entry("diag", NULL);
1313 module_init(diag_init);
1314 module_exit(diag_exit);
1316 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1317 MODULE_LICENSE("GPL");