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);
132 static void __init bcm4780_init(void) {
135 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
136 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
137 gpio_outen(pin, pin);
138 gpio_control(pin, 0);
141 /* Wait 5s, so the HDD can spin up */
142 set_current_state(TASK_INTERRUPTIBLE);
143 schedule_timeout(HZ * 5);
146 static void __init bcm57xx_init(void) {
150 /* FIXME: switch comes up, but port mappings/vlans not right */
151 gpio_outen(pin, pin);
152 gpio_control(pin, 0);
157 static struct platform_t __initdata platforms[] = {
160 .name = "Linksys WAP54G V1",
162 { .name = "reset", .gpio = 1 << 0 },
165 { .name = "diag", .gpio = 1 << 3 },
166 { .name = "wlan", .gpio = 1 << 4 },
170 .name = "Linksys WAP54G V3",
172 /* FIXME: verify this */
173 { .name = "reset", .gpio = 1 << 7 },
174 { .name = "ses", .gpio = 1 << 0 },
178 { .name = "ses", .gpio = 1 << 1 },
182 .name = "Linksys WRT54G V1.x",
184 { .name = "reset", .gpio = 1 << 6 },
187 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
188 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
192 .name = "Linksys WRT54G/GS/GL",
194 { .name = "reset", .gpio = 1 << 6 },
195 { .name = "ses", .gpio = 1 << 4 },
198 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
199 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
200 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
201 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
202 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
206 .name = "Linksys WRTSL54GS",
208 { .name = "reset", .gpio = 1 << 6 },
209 { .name = "ses", .gpio = 1 << 4 },
212 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
213 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
214 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
215 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
219 .name = "Linksys WRT54G3G",
221 { .name = "reset", .gpio = 1 << 6 },
222 { .name = "3g", .gpio = 1 << 4 },
225 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
226 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
227 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
228 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
229 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
233 .name = "Linksys WRT350N",
235 { .name = "reset", .gpio = 1 << 6 },
236 { .name = "ses", .gpio = 1 << 8 },
239 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
240 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
241 { .name = "ses_green", .gpio = 1 << 9, .polarity = REVERSE },
242 { .name = "usb_blink", .gpio = 1 << 10, .polarity = REVERSE },
243 { .name = "usb", .gpio = 1 << 11, .polarity = REVERSE },
245 .platform_init = bcm57xx_init,
248 .name = "Linksys WRT600N",
250 { .name = "reset", .gpio = 1 << 6 },
251 { .name = "ses", .gpio = 1 << 7 },
254 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
255 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
256 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
257 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
258 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
259 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
261 .platform_init = bcm57xx_init,
264 .name = "Linksys WRT600N V1.1",
266 { .name = "reset", .gpio = 1 << 6 },
267 { .name = "ses", .gpio = 1 << 7 },
270 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
271 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
272 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
273 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
274 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
275 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
277 .platform_init = bcm57xx_init,
281 .name = "ASUS WL-HDD",
283 { .name = "reset", .gpio = 1 << 6 },
286 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
287 { .name = "usb", .gpio = 1 << 2, .polarity = NORMAL },
291 .name = "ASUS WL-300g",
293 { .name = "reset", .gpio = 1 << 6 },
296 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
300 .name = "ASUS WL-320gE/WL-320gP",
302 { .name = "reset", .gpio = 1 << 6 },
305 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
306 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE },
307 { .name = "link", .gpio = 1 << 11, .polarity = REVERSE },
311 .name = "ASUS WL-330gE",
313 { .name = "reset", .gpio = 1 << 2 },
316 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
320 .name = "ASUS WL-500g",
322 { .name = "reset", .gpio = 1 << 6 },
325 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
329 .name = "ASUS WL-500g Deluxe",
331 { .name = "reset", .gpio = 1 << 6 },
334 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
338 .name = "ASUS WL-500g Premium",
340 { .name = "reset", .gpio = 1 << 0 },
341 { .name = "ses", .gpio = 1 << 4 },
344 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
348 .name = "ASUS WL-500g Premium V2",
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-500W",
361 { .name = "reset", .gpio = 1 << 6 },
362 { .name = "ses", .gpio = 1 << 7 },
365 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
369 .name = "ASUS WL-520GC",
371 { .name = "reset", .gpio = 1 << 2 },
372 { .name = "ses", .gpio = 1 << 3 },
375 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
376 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
380 .name = "ASUS WL-520gU",
382 { .name = "reset", .gpio = 1 << 2 },
383 { .name = "ses", .gpio = 1 << 3 },
386 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
387 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
391 .name = "ASUS (unknown, BCM4702)",
393 { .name = "reset", .gpio = 1 << 6 },
396 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
400 .name = "ASUS WL-700gE",
402 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
403 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
404 { .name = "power", .gpio = 1 << 0 }, // on front
405 { .name = "copy", .gpio = 1 << 6 }, // on front
409 // GPIO that controls power led also enables/disables some essential functions
412 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
414 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
416 .platform_init = bcm4780_init,
420 .name = "Buffalo WHR-G54S",
422 { .name = "reset", .gpio = 1 << 4 },
423 { .name = "bridge", .gpio = 1 << 5 },
424 { .name = "ses", .gpio = 1 << 0 },
427 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
428 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
429 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
430 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
431 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
435 .name = "Buffalo WBR2-G54",
438 { .name = "reset", .gpio = 1 << 7 },
441 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
445 .name = "Buffalo WHR-HP-G54",
447 { .name = "reset", .gpio = 1 << 4 },
448 { .name = "bridge", .gpio = 1 << 5 },
449 { .name = "ses", .gpio = 1 << 0 },
452 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
453 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
454 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
455 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
456 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
460 .name = "Buffalo WHR-G125",
462 { .name = "reset", .gpio = 1 << 4 },
463 { .name = "bridge", .gpio = 1 << 5 },
464 { .name = "ses", .gpio = 1 << 0 },
467 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
468 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
469 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
470 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
471 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
475 .name = "Buffalo WHR2-A54G54",
477 { .name = "reset", .gpio = 1 << 4 },
480 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
484 .name = "Buffalo WLA2-G54L",
487 { .name = "reset", .gpio = 1 << 7 },
490 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
494 .name = "Buffalo WZR-G300N",
496 { .name = "reset", .gpio = 1 << 4 },
499 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
500 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
501 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
505 .name = "Buffalo WZR-RS-G54",
507 { .name = "ses", .gpio = 1 << 0 },
508 { .name = "reset", .gpio = 1 << 4 },
511 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
512 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
513 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
517 .name = "Buffalo WZR-RS-G54HP",
519 { .name = "ses", .gpio = 1 << 0 },
520 { .name = "reset", .gpio = 1 << 4 },
523 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
524 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
525 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
528 [BUFFALO_UNKNOWN] = {
529 .name = "Buffalo (unknown)",
531 { .name = "reset", .gpio = 1 << 7 },
534 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
537 [BUFFALO_UNKNOWN_4710] = {
538 .name = "Buffalo (unknown, BCM4710)",
540 { .name = "reset", .gpio = 1 << 4 },
543 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
548 .name = "Siemens SE505 V1",
550 /* No usable buttons */
553 // { .name = "power", .gpio = 1 << 0 .polarity = REVERSE }, // Usable when retrofitting D26 (?)
554 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE }, // actual name WWW
555 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
559 .name = "Siemens SE505 V2",
561 /* No usable buttons */
564 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
565 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE }, // actual name WWW
566 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
571 .name = "U.S. Robotics USR5461",
573 /* No usable buttons */
576 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
577 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
582 .name = "Dell TrueMobile 2300",
584 { .name = "reset", .gpio = 1 << 0 },
587 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
588 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
592 .name = "Dell TrueMobile 2300 v2",
594 { .name = "reset", .gpio = 1 << 0 },
597 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
598 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
603 .name = "Motorola WE800G",
605 { .name = "reset", .gpio = 1 << 0 },
608 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
609 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
610 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
614 .name = "Motorola WR850G V1",
616 { .name = "reset", .gpio = 1 << 0 },
619 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
620 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
621 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
622 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
623 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
627 .name = "Motorola WR850G V2/V3",
629 { .name = "reset", .gpio = 1 << 5 },
632 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
633 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
634 { .name = "wan", .gpio = 1 << 6, .polarity = INPUT },
635 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
639 .name = "Motorola WR850GP",
641 { .name = "reset", .gpio = 1 << 5 },
644 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
645 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
646 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
647 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
653 .name = "Belkin (unknown)",
654 /* FIXME: verify & add detection */
656 { .name = "reset", .gpio = 1 << 7 },
659 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
660 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
661 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
666 .name = "Netgear WGT634U",
668 { .name = "reset", .gpio = 1 << 2 },
671 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
676 .name = "Trendware TEW411BRP+",
678 { /* No usable buttons */ },
681 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
682 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
683 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
688 .name = "SimpleTech SimpleShare NAS",
690 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
691 { .name = "power", .gpio = 1 << 0 }, // on back
694 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
696 .platform_init = bcm4780_init,
700 .name = "D-Link DIR-130",
702 { .name = "reset", .gpio = 1 << 3},
703 { .name = "reserved", .gpio = 1 << 7},
706 { .name = "diag", .gpio = 1 << 0},
707 { .name = "blue", .gpio = 1 << 6},
711 .name = "D-Link DIR-330",
713 { .name = "reset", .gpio = 1 << 3},
714 { .name = "reserved", .gpio = 1 << 7},
717 { .name = "diag", .gpio = 1 << 0},
718 { .name = "usb", .gpio = 1 << 4},
719 { .name = "blue", .gpio = 1 << 6},
723 .name = "D-Link DWL-3150",
725 { .name = "reset", .gpio = 1 << 7},
728 { .name = "diag", .gpio = 1 << 2},
729 { .name = "status", .gpio = 1 << 1},
734 .name = "Sitecom WL-105b",
736 { .name = "reset", .gpio = 1 << 10},
739 { .name = "wlan", .gpio = 1 << 4},
740 { .name = "power", .gpio = 1 << 3},
745 static struct platform_t __init *platform_detect(void)
747 char *boardnum, *boardtype, *buf;
749 if (strcmp(getvar("nvram_type"), "cfe") == 0)
750 return &platforms[WGT634U];
752 /* Look for a model identifier */
754 /* Based on "model_name" */
755 if ((buf = nvram_get("model_name"))) {
756 if (!strcmp(buf, "DIR-130"))
757 return &platforms[DIR130];
758 if (!strcmp(buf, "DIR-330"))
759 return &platforms[DIR330];
762 /* Based on "model_no" */
763 if ((buf = nvram_get("model_no"))) {
764 if (startswith(buf,"WL700")) /* WL700* */
765 return &platforms[WL700GE];
768 /* Based on "hardware_version" */
769 if ((buf = nvram_get("hardware_version"))) {
770 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
771 return &platforms[WL500GPV2];
772 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
773 return &platforms[WL520GC];
774 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
775 return &platforms[WL520GU];
776 if (startswith(buf,"WL330GE-")) /* WL330GE-* */
777 return &platforms[WL330GE];
780 /* Based on "ModelId" */
781 if ((buf = nvram_get("ModelId"))) {
782 if (!strcmp(buf, "WR850GP"))
783 return &platforms[WR850GP];
784 if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
785 return &platforms[TM2300]; /* Dell TrueMobile 2300 */
786 if (startswith(buf,"WE800G")) /* WE800G* */
787 return &platforms[WE800G];
791 if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
792 /* Buffalo hardware, check id for specific hardware matches */
793 if (!strcmp(buf, "29bb0332"))
794 return &platforms[WBR2_G54];
795 if (!strcmp(buf, "29129"))
796 return &platforms[WLA2_G54L];
797 if (!strcmp(buf, "30189"))
798 return &platforms[WHR_HP_G54];
799 if (!strcmp(buf, "32093"))
800 return &platforms[WHR_G125];
801 if (!strcmp(buf, "30182"))
802 return &platforms[WHR_G54S];
803 if (!strcmp(buf, "290441dd"))
804 return &platforms[WHR2_A54G54];
805 if (!strcmp(buf, "31120"))
806 return &platforms[WZR_G300N];
807 if (!strcmp(buf, "30083"))
808 return &platforms[WZR_RS_G54];
809 if (!strcmp(buf, "30103"))
810 return &platforms[WZR_RS_G54HP];
813 /* no easy model number, attempt to guess */
814 boardnum = getvar("boardnum");
815 boardtype = getvar("boardtype");
817 if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N v1/V1.1 */
818 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
819 return &platforms[WRT600NV11];
821 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
822 return &platforms[WRT600N];
825 if (startswith(getvar("pmon_ver"), "CFE")) {
826 /* CFE based - newer hardware */
827 if (!strcmp(boardnum, "42")) { /* Linksys */
828 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
829 return &platforms[WRT350N];
831 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
832 return &platforms[WRT54G3G];
834 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
835 return &platforms[WRTSL54GS];
837 /* default to WRT54G */
838 return &platforms[WRT54G];
841 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
842 if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
843 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
846 if (!strcmp(boardnum, "45")) { /* ASUS */
847 if (!strcmp(boardtype,"0x042f"))
848 return &platforms[WL500GP];
849 else if (!strcmp(boardtype,"0x0472"))
850 return &platforms[WL500W];
851 else if (!strcmp(boardtype,"0x467"))
852 return &platforms[WL320GE];
854 return &platforms[WL500GD];
857 if (!strcmp(boardnum, "10496"))
858 return &platforms[USR5461];
860 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
861 return &platforms[SE505V2];
863 } else { /* PMON based - old stuff */
864 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
865 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
866 return &platforms[WR850GV1];
868 if (startswith(boardtype, "bcm94710dev")) {
869 if (!strcmp(boardnum, "42"))
870 return &platforms[WRT54GV1];
871 if (simple_strtoul(boardnum, NULL, 0) == 2)
872 return &platforms[WAP54GV1];
874 if (startswith(getvar("hardware_version"), "WL500-"))
875 return &platforms[WL500G];
876 if (startswith(getvar("hardware_version"), "WL300-")) {
877 /* Either WL-300g or WL-HDD, do more extensive checks */
878 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
879 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
880 return &platforms[WLHDD];
881 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
882 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
883 return &platforms[WL300G];
885 /* Sitecom WL-105b */
886 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
887 return &platforms[WL105B];
889 /* unknown asus stuff, probably bcm4702 */
890 if (startswith(boardnum, "asusX"))
891 return &platforms[ASUS_4702];
894 if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
895 if (startswith(boardtype, "bcm94710ap"))
896 return &platforms[BUFFALO_UNKNOWN_4710];
898 return &platforms[BUFFALO_UNKNOWN];
901 if (startswith(getvar("CFEver"), "MotoWRv2") ||
902 startswith(getvar("CFEver"), "MotoWRv3") ||
903 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
905 return &platforms[WR850GV2V3];
908 if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
909 return &platforms[TEW411BRPP];
912 if (startswith(boardnum, "04FN52")) /* SimpleTech SimpleShare */
913 return &platforms[STI_NAS];
915 if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
916 return &platforms[DWL3150];
922 static void register_buttons(struct button_t *b)
925 platform.button_mask |= b->gpio;
927 platform.button_mask &= ~gpiomask;
929 gpio_outen(platform.button_mask, 0);
930 gpio_control(platform.button_mask, 0);
931 platform.button_polarity = gpio_in() & platform.button_mask;
932 gpio_intpolarity(platform.button_mask, platform.button_polarity);
933 gpio_setintmask(platform.button_mask, platform.button_mask);
935 gpio_set_irqenable(1, button_handler);
938 static void unregister_buttons(struct button_t *b)
940 gpio_setintmask(platform.button_mask, 0);
942 gpio_set_irqenable(0, button_handler);
947 static void add_msg(struct event_t *event, char *msg, int argv)
954 s = skb_put(event->skb, strlen(msg) + 1);
958 static void hotplug_button(struct work_struct *work)
960 struct event_t *event = container_of(work, struct event_t, wq);
966 event->skb = alloc_skb(2048, GFP_KERNEL);
968 s = skb_put(event->skb, strlen(event->action) + 2);
969 sprintf(s, "%s@", event->action);
972 NETLINK_CB(event->skb).dst_group = 1;
973 netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
978 #else /* !LINUX_2_4 */
979 static inline char *kzalloc(unsigned int size, unsigned int gfp)
983 p = kmalloc(size, gfp);
992 static void add_msg(struct event_t *event, char *msg, int argv)
995 event->argv[event->anr++] = event->scratch;
997 event->envp[event->enr++] = event->scratch;
999 event->scratch += sprintf(event->scratch, "%s", msg) + 1;
1002 static void hotplug_button(struct event_t *event)
1004 char *scratch = kzalloc(256, GFP_KERNEL);
1005 event->scratch = scratch;
1007 add_msg(event, hotplug_path, 1);
1008 add_msg(event, "button", 1);
1010 call_usermodehelper (event->argv[0], event->argv, event->envp);
1014 #endif /* !LINUX_2_4 */
1016 static int fill_event (struct event_t *event)
1018 static char buf[128];
1020 add_msg(event, "HOME=/", 0);
1021 add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1022 add_msg(event, "SUBSYSTEM=button", 0);
1023 snprintf(buf, 128, "ACTION=%s", event->action);
1024 add_msg(event, buf, 0);
1025 snprintf(buf, 128, "BUTTON=%s", event->name);
1026 add_msg(event, buf, 0);
1027 snprintf(buf, 128, "SEEN=%ld", event->seen);
1028 add_msg(event, buf, 0);
1030 snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1031 add_msg(event, buf, 0);
1039 static irqreturn_t button_handler(int irq, void *dev_id)
1041 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
1047 in = gpio_in() & platform.button_mask;
1048 gpio_intpolarity(platform.button_mask, in);
1049 changed = platform.button_polarity ^ in;
1050 platform.button_polarity = in;
1052 changed &= ~gpio_outen(0, 0);
1054 for (b = platform.buttons; b->name; b++) {
1055 struct event_t *event;
1057 if (!(b->gpio & changed)) continue;
1061 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1062 event->seen = (jiffies - b->seen)/HZ;
1063 event->name = b->name;
1064 event->action = b->pressed ? "pressed" : "released";
1065 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
1066 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1068 INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
1070 schedule_work(&event->wq);
1078 static void register_leds(struct led_t *l)
1080 struct proc_dir_entry *p;
1085 leds = proc_mkdir("led", diag);
1089 for(; l->name; l++) {
1090 if (l->gpio & gpiomask)
1093 if (l->gpio & GPIO_TYPE_EXTIF) {
1097 if (l->polarity != INPUT) oe_mask |= l->gpio;
1099 val |= (l->polarity == NORMAL)?0:l->gpio;
1102 if (l->polarity == INPUT) continue;
1104 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1105 l->proc.type = PROC_LED;
1107 p->data = (void *) &l->proc;
1108 p->proc_fops = &diag_proc_fops;
1112 gpio_outen(mask, oe_mask);
1113 gpio_control(mask, 0);
1114 gpio_out(mask, val);
1115 gpio_setintmask(mask, 0);
1118 static void unregister_leds(struct led_t *l)
1121 remove_proc_entry(l->name, leds);
1123 remove_proc_entry("led", diag);
1126 static void set_led_extif(struct led_t *led)
1128 gpio_set_extif(led->gpio, led->state);
1131 static void led_flash(unsigned long dummy) {
1136 for (l = platform.leds; l->name; l++) {
1138 if (l->gpio & GPIO_TYPE_EXTIF) {
1140 l->state = !l->state;
1150 u32 val = ~gpio_in();
1152 gpio_outen(mask, mask);
1153 gpio_control(mask, 0);
1154 gpio_out(mask, val);
1156 if (mask || extif_blink) {
1157 mod_timer(&led_timer, jiffies + FLASH_TIME);
1161 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1164 struct inode *inode = file->f_dentry->d_inode;
1165 struct proc_dir_entry *dent = inode->u.generic_ip;
1167 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1172 if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1175 if (dent->data != NULL) {
1176 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1177 switch (handler->type) {
1179 struct led_t * led = (struct led_t *) handler->ptr;
1181 len = sprintf(page, "f\n");
1183 if (led->gpio & GPIO_TYPE_EXTIF) {
1184 len = sprintf(page, "%d\n", led->state);
1186 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1187 u8 p = (led->polarity == NORMAL ? 0 : 1);
1188 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1194 len = sprintf(page, "%s\n", platform.name);
1197 len = sprintf(page, "0x%04x\n", gpiomask);
1204 len = min_t(int, len - *ppos, count);
1205 if (copy_to_user(buf, (page + *ppos), len)) {
1219 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1222 struct inode *inode = file->f_dentry->d_inode;
1223 struct proc_dir_entry *dent = inode->u.generic_ip;
1225 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1230 if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1233 if (copy_from_user(page, buf, count)) {
1239 if (dent->data != NULL) {
1240 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1241 switch (handler->type) {
1243 struct led_t *led = (struct led_t *) handler->ptr;
1244 int p = (led->polarity == NORMAL ? 0 : 1);
1246 if (page[0] == 'f') {
1251 if (led->gpio & GPIO_TYPE_EXTIF) {
1252 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1255 gpio_outen(led->gpio, led->gpio);
1256 gpio_control(led->gpio, 0);
1257 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1263 gpiomask = simple_strtoul(page, NULL, 0);
1265 if (platform.buttons) {
1266 unregister_buttons(platform.buttons);
1267 register_buttons(platform.buttons);
1270 if (platform.leds) {
1271 unregister_leds(platform.leds);
1272 register_leds(platform.leds);
1283 static int __init diag_init(void)
1285 static struct proc_dir_entry *p;
1286 static struct platform_t *detected;
1288 detected = platform_detect();
1290 printk(MODULE_NAME ": Router model not detected.\n");
1293 memcpy(&platform, detected, sizeof(struct platform_t));
1295 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1296 if (platform.platform_init != NULL) {
1297 platform.platform_init();
1300 if (!(diag = proc_mkdir("diag", NULL))) {
1301 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1305 if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1306 p->data = (void *) &proc_model;
1307 p->proc_fops = &diag_proc_fops;
1310 if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1311 p->data = (void *) &proc_gpiomask;
1312 p->proc_fops = &diag_proc_fops;
1315 if (platform.buttons)
1316 register_buttons(platform.buttons);
1319 register_leds(platform.leds);
1324 static void __exit diag_exit(void)
1326 del_timer(&led_timer);
1328 if (platform.buttons)
1329 unregister_buttons(platform.buttons);
1332 unregister_leds(platform.leds);
1334 remove_proc_entry("model", diag);
1335 remove_proc_entry("gpiomask", diag);
1336 remove_proc_entry("diag", NULL);
1339 module_init(diag_init);
1340 module_exit(diag_exit);
1342 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1343 MODULE_LICENSE("GPL");