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);
127 static void __init
bcm4780_init(void) {
130 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
131 printk(MODULE_NAME
": Spinning up HDD and enabling leds\n");
132 gpio_outen(pin
, pin
);
133 gpio_control(pin
, 0);
136 /* Wait 5s, so the HDD can spin up */
137 set_current_state(TASK_INTERRUPTIBLE
);
138 schedule_timeout(HZ
* 5);
141 static void __init
bcm57xx_init(void) {
144 gpio_outen(pin
, pin
);
145 gpio_control(pin
, 0);
149 static struct platform_t __initdata platforms
[] = {
152 .name
= "Linksys WAP54G V1",
154 { .name
= "reset", .gpio
= 1 << 0 },
157 { .name
= "diag", .gpio
= 1 << 3 },
158 { .name
= "wlan", .gpio
= 1 << 4 },
162 .name
= "Linksys WAP54G V3",
164 /* FIXME: verify this */
165 { .name
= "reset", .gpio
= 1 << 7 },
166 { .name
= "ses", .gpio
= 1 << 0 },
170 { .name
= "ses", .gpio
= 1 << 1 },
174 .name
= "Linksys WRT54G V1.x",
176 { .name
= "reset", .gpio
= 1 << 6 },
179 { .name
= "diag", .gpio
= 0x13 | GPIO_TYPE_EXTIF
, .polarity
= NORMAL
},
180 { .name
= "dmz", .gpio
= 0x12 | GPIO_TYPE_EXTIF
, .polarity
= NORMAL
},
184 .name
= "Linksys WRT54G/GS/GL",
186 { .name
= "reset", .gpio
= 1 << 6 },
187 { .name
= "ses", .gpio
= 1 << 4 },
190 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
},
191 { .name
= "dmz", .gpio
= 1 << 7, .polarity
= REVERSE
},
192 { .name
= "ses_white", .gpio
= 1 << 2, .polarity
= REVERSE
},
193 { .name
= "ses_orange", .gpio
= 1 << 3, .polarity
= REVERSE
},
194 { .name
= "wlan", .gpio
= 1 << 0, .polarity
= REVERSE
},
198 .name
= "Linksys WRTSL54GS",
200 { .name
= "reset", .gpio
= 1 << 6 },
201 { .name
= "ses", .gpio
= 1 << 4 },
204 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
},
205 { .name
= "dmz", .gpio
= 1 << 0, .polarity
= REVERSE
},
206 { .name
= "ses_white", .gpio
= 1 << 5, .polarity
= REVERSE
},
207 { .name
= "ses_orange", .gpio
= 1 << 7, .polarity
= REVERSE
},
211 .name
= "Linksys WRT54G3G",
213 { .name
= "reset", .gpio
= 1 << 6 },
214 { .name
= "3g", .gpio
= 1 << 4 },
217 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
},
218 { .name
= "dmz", .gpio
= 1 << 7, .polarity
= REVERSE
},
219 { .name
= "3g_green", .gpio
= 1 << 2, .polarity
= NORMAL
},
220 { .name
= "3g_blue", .gpio
= 1 << 3, .polarity
= NORMAL
},
221 { .name
= "3g_blink", .gpio
= 1 << 5, .polarity
= NORMAL
},
225 .name
= "Linksys WRT350N",
227 { .name
= "reset", .gpio
= 1 << 6 },
228 { .name
= "ses", .gpio
= 1 << 8 },
231 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
},
232 { .name
= "ses_amber", .gpio
= 1 << 3, .polarity
= REVERSE
},
233 { .name
= "ses_green", .gpio
= 1 << 9, .polarity
= REVERSE
},
234 { .name
= "usb_blink", .gpio
= 1 << 10, .polarity
= REVERSE
},
235 { .name
= "usb", .gpio
= 1 << 11, .polarity
= REVERSE
},
237 .platform_init
= bcm57xx_init
,
241 .name
= "ASUS WL-HDD",
243 { .name
= "reset", .gpio
= 1 << 6 },
246 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
247 { .name
= "usb", .gpio
= 1 << 2, .polarity
= NORMAL
},
251 .name
= "ASUS WL-300g",
253 { .name
= "reset", .gpio
= 1 << 6 },
256 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
260 .name
= "ASUS WL-500g",
262 { .name
= "reset", .gpio
= 1 << 6 },
265 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
269 .name
= "ASUS WL-500g Deluxe",
271 { .name
= "reset", .gpio
= 1 << 6 },
274 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
278 .name
= "ASUS WL-500g Premium",
280 { .name
= "reset", .gpio
= 1 << 0 },
281 { .name
= "ses", .gpio
= 1 << 4 },
284 { .name
= "power", .gpio
= 1 << 1, .polarity
= REVERSE
},
288 .name
= "ASUS WL-500W",
290 { .name
= "reset", .gpio
= 1 << 6 },
291 { .name
= "ses", .gpio
= 1 << 7 },
294 { .name
= "power", .gpio
= 1 << 5, .polarity
= REVERSE
},
298 .name
= "ASUS WL-520gU",
300 { .name
= "reset", .gpio
= 1 << 2 },
301 { .name
= "ses", .gpio
= 1 << 3 },
304 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
305 { .name
= "wlan", .gpio
= 1 << 1, .polarity
= REVERSE
},
309 .name
= "ASUS (unknown, BCM4702)",
311 { .name
= "reset", .gpio
= 1 << 6 },
314 { .name
= "power", .gpio
= 1 << 0, .polarity
= REVERSE
},
318 .name
= "ASUS WL-700gE",
320 { .name
= "reset", .gpio
= 1 << 7 }, // on back, hardwired, always resets device regardless OS state
321 { .name
= "ses", .gpio
= 1 << 4 }, // on back, actual name ezsetup
322 { .name
= "power", .gpio
= 1 << 0 }, // on front
323 { .name
= "copy", .gpio
= 1 << 6 }, // on front
327 // GPIO that controls power led also enables/disables some essential functions
330 { .name
= "power", .gpio
= 1 << 3, .polarity
= NORMAL
}, // actual name power
332 { .name
= "diag", .gpio
= 1 << 1, .polarity
= REVERSE
}, // actual name ready
334 .platform_init
= bcm4780_init
,
338 .name
= "Buffalo WHR-G54S",
340 { .name
= "reset", .gpio
= 1 << 4 },
341 { .name
= "bridge", .gpio
= 1 << 5 },
342 { .name
= "ses", .gpio
= 1 << 0 },
345 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
346 { .name
= "internal", .gpio
= 1 << 3, .polarity
= REVERSE
},
347 { .name
= "ses", .gpio
= 1 << 6, .polarity
= REVERSE
},
348 { .name
= "bridge", .gpio
= 1 << 1, .polarity
= REVERSE
},
349 { .name
= "wlan", .gpio
= 1 << 2, .polarity
= REVERSE
},
353 .name
= "Buffalo WBR2-G54",
356 { .name
= "reset", .gpio
= 1 << 7 },
359 { .name
= "diag", .gpio
= 1 << 1, .polarity
= REVERSE
},
363 .name
= "Buffalo WHR-HP-G54",
365 { .name
= "reset", .gpio
= 1 << 4 },
366 { .name
= "bridge", .gpio
= 1 << 5 },
367 { .name
= "ses", .gpio
= 1 << 0 },
370 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
371 { .name
= "internal", .gpio
= 1 << 3, .polarity
= REVERSE
},
372 { .name
= "bridge", .gpio
= 1 << 1, .polarity
= REVERSE
},
373 { .name
= "ses", .gpio
= 1 << 6, .polarity
= REVERSE
},
374 { .name
= "wlan", .gpio
= 1 << 2, .polarity
= REVERSE
},
378 .name
= "Buffalo WHR-G125",
380 { .name
= "reset", .gpio
= 1 << 4 },
381 { .name
= "bridge", .gpio
= 1 << 5 },
382 { .name
= "ses", .gpio
= 1 << 0 },
385 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
386 { .name
= "internal", .gpio
= 1 << 3, .polarity
= REVERSE
},
387 { .name
= "bridge", .gpio
= 1 << 1, .polarity
= REVERSE
},
388 { .name
= "ses", .gpio
= 1 << 6, .polarity
= REVERSE
},
389 { .name
= "wlan", .gpio
= 1 << 2, .polarity
= REVERSE
},
393 .name
= "Buffalo WHR2-A54G54",
395 { .name
= "reset", .gpio
= 1 << 4 },
398 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
402 .name
= "Buffalo WLA2-G54L",
405 { .name
= "reset", .gpio
= 1 << 7 },
408 { .name
= "diag", .gpio
= 1 << 1, .polarity
= REVERSE
},
412 .name
= "Buffalo WZR-G300N",
414 { .name
= "reset", .gpio
= 1 << 4 },
417 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
418 { .name
= "bridge", .gpio
= 1 << 1, .polarity
= REVERSE
},
419 { .name
= "ses", .gpio
= 1 << 6, .polarity
= REVERSE
},
423 .name
= "Buffalo WZR-RS-G54",
425 { .name
= "ses", .gpio
= 1 << 0 },
426 { .name
= "reset", .gpio
= 1 << 4 },
429 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
430 { .name
= "ses", .gpio
= 1 << 6, .polarity
= REVERSE
},
431 { .name
= "vpn", .gpio
= 1 << 1, .polarity
= REVERSE
},
435 .name
= "Buffalo WZR-RS-G54HP",
437 { .name
= "ses", .gpio
= 1 << 0 },
438 { .name
= "reset", .gpio
= 1 << 4 },
441 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
442 { .name
= "ses", .gpio
= 1 << 6, .polarity
= REVERSE
},
443 { .name
= "vpn", .gpio
= 1 << 1, .polarity
= REVERSE
},
446 [BUFFALO_UNKNOWN
] = {
447 .name
= "Buffalo (unknown)",
449 { .name
= "reset", .gpio
= 1 << 7 },
452 { .name
= "diag", .gpio
= 1 << 1, .polarity
= REVERSE
},
455 [BUFFALO_UNKNOWN_4710
] = {
456 .name
= "Buffalo (unknown, BCM4710)",
458 { .name
= "reset", .gpio
= 1 << 4 },
461 { .name
= "diag", .gpio
= 1 << 1, .polarity
= REVERSE
},
466 .name
= "Siemens SE505 V1",
468 /* No usable buttons */
471 { .name
= "dmz", .gpio
= 1 << 4, .polarity
= REVERSE
},
472 { .name
= "wlan", .gpio
= 1 << 3, .polarity
= REVERSE
},
476 .name
= "Siemens SE505 V2",
478 /* No usable buttons */
481 { .name
= "power", .gpio
= 1 << 5, .polarity
= REVERSE
},
482 { .name
= "dmz", .gpio
= 1 << 0, .polarity
= REVERSE
},
483 { .name
= "wlan", .gpio
= 1 << 3, .polarity
= REVERSE
},
488 .name
= "U.S. Robotics USR5461",
490 /* No usable buttons */
493 { .name
= "wlan", .gpio
= 1 << 0, .polarity
= REVERSE
},
494 { .name
= "printer", .gpio
= 1 << 1, .polarity
= REVERSE
},
499 .name
= "Dell TrueMobile 2300",
501 { .name
= "reset", .gpio
= 1 << 0 },
504 { .name
= "wlan", .gpio
= 1 << 6, .polarity
= REVERSE
},
505 { .name
= "power", .gpio
= 1 << 7, .polarity
= REVERSE
},
510 .name
= "Motorola WE800G",
512 { .name
= "reset", .gpio
= 1 << 0 },
515 { .name
= "power", .gpio
= 1 << 4, .polarity
= NORMAL
},
516 { .name
= "diag", .gpio
= 1 << 2, .polarity
= REVERSE
},
517 { .name
= "wlan_amber", .gpio
= 1 << 1, .polarity
= NORMAL
},
521 .name
= "Motorola WR850G V1",
523 { .name
= "reset", .gpio
= 1 << 0 },
526 { .name
= "power", .gpio
= 1 << 4, .polarity
= NORMAL
},
527 { .name
= "diag", .gpio
= 1 << 3, .polarity
= REVERSE
},
528 { .name
= "dmz", .gpio
= 1 << 6, .polarity
= NORMAL
},
529 { .name
= "wlan_red", .gpio
= 1 << 5, .polarity
= REVERSE
},
530 { .name
= "wlan_green", .gpio
= 1 << 7, .polarity
= REVERSE
},
534 .name
= "Motorola WR850G V2/V3",
536 { .name
= "reset", .gpio
= 1 << 5 },
539 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
},
540 { .name
= "wlan", .gpio
= 1 << 0, .polarity
= REVERSE
},
541 { .name
= "wan", .gpio
= 1 << 6, .polarity
= INPUT
},
542 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
546 .name
= "Motorola WR850GP",
548 { .name
= "reset", .gpio
= 1 << 5 },
551 { .name
= "power", .gpio
= 1 << 1, .polarity
= NORMAL
},
552 { .name
= "wlan", .gpio
= 1 << 0, .polarity
= REVERSE
},
553 { .name
= "dmz", .gpio
= 1 << 6, .polarity
= REVERSE
},
554 { .name
= "diag", .gpio
= 1 << 7, .polarity
= REVERSE
},
560 .name
= "Belkin (unknown)",
561 /* FIXME: verify & add detection */
563 { .name
= "reset", .gpio
= 1 << 7 },
566 { .name
= "power", .gpio
= 1 << 5, .polarity
= NORMAL
},
567 { .name
= "wlan", .gpio
= 1 << 3, .polarity
= NORMAL
},
568 { .name
= "connected", .gpio
= 1 << 0, .polarity
= NORMAL
},
573 .name
= "Netgear WGT634U",
575 { .name
= "reset", .gpio
= 1 << 2 },
578 { .name
= "power", .gpio
= 1 << 3, .polarity
= NORMAL
},
583 .name
= "Trendware TEW411BRP+",
585 { /* No usable buttons */ },
588 { .name
= "power", .gpio
= 1 << 7, .polarity
= NORMAL
},
589 { .name
= "wlan", .gpio
= 1 << 1, .polarity
= NORMAL
},
590 { .name
= "bridge", .gpio
= 1 << 6, .polarity
= NORMAL
},
595 .name
= "SimpleTech SimpleShare NAS",
597 { .name
= "reset", .gpio
= 1 << 7 }, // on back, hardwired, always resets device regardless OS state
598 { .name
= "power", .gpio
= 1 << 0 }, // on back
601 { .name
= "diag", .gpio
= 1 << 1, .polarity
= REVERSE
}, // actual name ready
603 .platform_init
= bcm4780_init
,
607 .name
= "D-Link DIR-130",
609 { .name
= "reset", .gpio
= 1 << 3},
610 { .name
= "reserved", .gpio
= 1 << 7},
613 { .name
= "diag", .gpio
= 1 << 0},
614 { .name
= "blue", .gpio
= 1 << 6},
618 .name
= "D-Link DIR-330",
620 { .name
= "reset", .gpio
= 1 << 3},
621 { .name
= "reserved", .gpio
= 1 << 7},
624 { .name
= "diag", .gpio
= 1 << 0},
625 { .name
= "usb", .gpio
= 1 << 4},
626 { .name
= "blue", .gpio
= 1 << 6},
630 .name
= "D-Link DWL-3150",
632 { .name
= "reset", .gpio
= 1 << 7},
635 { .name
= "diag", .gpio
= 1 << 2},
636 { .name
= "status", .gpio
= 1 << 1},
641 .name
= "Sitecom WL-105b",
643 { .name
= "reset", .gpio
= 1 << 10},
646 { .name
= "wlan", .gpio
= 1 << 4},
647 { .name
= "power", .gpio
= 1 << 3},
652 static struct platform_t __init
*platform_detect(void)
654 char *boardnum
, *boardtype
, *buf
;
656 if (strcmp(getvar("nvram_type"), "cfe") == 0)
657 return &platforms
[WGT634U
];
659 /* Look for a model identifier */
661 /* Based on "model_name" */
662 if (buf
= nvram_get("model_name")) {
663 if (!strcmp(buf
, "DIR-130"))
664 return &platforms
[DIR130
];
665 if (!strcmp(buf
, "DIR-330"))
666 return &platforms
[DIR330
];
669 /* Based on "model_no" */
670 if (buf
= nvram_get("model_no")) {
671 if (startswith(buf
,"WL700")) /* WL700* */
672 return &platforms
[WL700GE
];
675 /* Based on "hardware_version" */
676 if (buf
= nvram_get("hardware_version")) {
677 if (startswith(buf
,"WL520GU-")) /* WL520GU-* */
678 return &platforms
[WL520GU
];
681 /* Based on "ModelId" */
682 if (buf
= nvram_get("ModelId")) {
683 if (!strcmp(buf
, "WR850GP"))
684 return &platforms
[WR850GP
];
685 if (!strcmp(buf
,"WX-5565"))
686 return &platforms
[TM2300
];
687 if (startswith(buf
,"WE800G")) /* WE800G* */
688 return &platforms
[WE800G
];
692 if ((buf
= (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
693 /* Buffalo hardware, check id for specific hardware matches */
694 if (!strcmp(buf
, "29bb0332"))
695 return &platforms
[WBR2_G54
];
696 if (!strcmp(buf
, "29129"))
697 return &platforms
[WLA2_G54L
];
698 if (!strcmp(buf
, "30189"))
699 return &platforms
[WHR_HP_G54
];
700 if (!strcmp(buf
, "32093"))
701 return &platforms
[WHR_G125
];
702 if (!strcmp(buf
, "30182"))
703 return &platforms
[WHR_G54S
];
704 if (!strcmp(buf
, "290441dd"))
705 return &platforms
[WHR2_A54G54
];
706 if (!strcmp(buf
, "31120"))
707 return &platforms
[WZR_G300N
];
708 if (!strcmp(buf
, "30083"))
709 return &platforms
[WZR_RS_G54
];
710 if (!strcmp(buf
, "30103"))
711 return &platforms
[WZR_RS_G54HP
];
714 /* no easy model number, attempt to guess */
715 boardnum
= getvar("boardnum");
716 boardtype
= getvar("boardtype");
718 if (startswith(getvar("pmon_ver"), "CFE")) {
719 /* CFE based - newer hardware */
720 if (!strcmp(boardnum
, "42")) { /* Linksys */
721 if (!strcmp(boardtype
, "0x478") && !strcmp(getvar("cardbus"), "1"))
722 return &platforms
[WRT350N
];
724 if (!strcmp(boardtype
, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
725 return &platforms
[WRT54G3G
];
727 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
728 return &platforms
[WRTSL54GS
];
730 /* default to WRT54G */
731 return &platforms
[WRT54G
];
734 if (!strcmp(boardnum
, "45")) { /* ASUS */
735 if (!strcmp(boardtype
,"0x042f"))
736 return &platforms
[WL500GP
];
737 else if (!strcmp(boardtype
,"0x0472"))
738 return &platforms
[WL500W
];
740 return &platforms
[WL500GD
];
743 if (!strcmp(boardnum
, "10496"))
744 return &platforms
[USR5461
];
746 } else { /* PMON based - old stuff */
747 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL
, 0) == 9) &&
748 (simple_strtoul(getvar("et0phyaddr"), NULL
, 0) == 30)) {
749 return &platforms
[WR850GV1
];
751 if (startswith(boardtype
, "bcm94710dev")) {
752 if (!strcmp(boardnum
, "42"))
753 return &platforms
[WRT54GV1
];
754 if (simple_strtoul(boardnum
, NULL
, 0) == 2)
755 return &platforms
[WAP54GV1
];
757 if (startswith(getvar("hardware_version"), "WL500-"))
758 return &platforms
[WL500G
];
759 if (startswith(getvar("hardware_version"), "WL300-")) {
760 /* Either WL-300g or WL-HDD, do more extensive checks */
761 if ((simple_strtoul(getvar("et0phyaddr"), NULL
, 0) == 0) &&
762 (simple_strtoul(getvar("et1phyaddr"), NULL
, 0) == 1))
763 return &platforms
[WLHDD
];
764 if ((simple_strtoul(getvar("et0phyaddr"), NULL
, 0) == 0) &&
765 (simple_strtoul(getvar("et1phyaddr"), NULL
, 0) == 10))
766 return &platforms
[WL300G
];
768 /* Sitecom WL-105b */
769 if (startswith(boardnum
, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL
, 0) == 1)
770 return &platforms
[WL105B
];
772 /* unknown asus stuff, probably bcm4702 */
773 if (startswith(boardnum
, "asusX"))
774 return &platforms
[ASUS_4702
];
777 if (buf
|| !strcmp(boardnum
, "00")) {/* probably buffalo */
778 if (startswith(boardtype
, "bcm94710ap"))
779 return &platforms
[BUFFALO_UNKNOWN_4710
];
781 return &platforms
[BUFFALO_UNKNOWN
];
784 if (startswith(getvar("CFEver"), "MotoWRv2") ||
785 startswith(getvar("CFEver"), "MotoWRv3") ||
786 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
788 return &platforms
[WR850GV2V3
];
791 if (!strcmp(boardnum
, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
792 return &platforms
[TEW411BRPP
];
795 if (startswith(boardnum
, "04FN52")) /* SimpleTech SimpleShare */
796 return &platforms
[STI_NAS
];
798 if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
799 return &platforms
[DWL3150
];
805 static void register_buttons(struct button_t
*b
)
808 platform
.button_mask
|= b
->gpio
;
810 platform
.button_mask
&= ~gpiomask
;
812 gpio_outen(platform
.button_mask
, 0);
813 gpio_control(platform
.button_mask
, 0);
814 platform
.button_polarity
= gpio_in() & platform
.button_mask
;
815 gpio_intpolarity(platform
.button_mask
, platform
.button_polarity
);
816 gpio_intmask(platform
.button_mask
, platform
.button_mask
);
818 gpio_set_irqenable(1, button_handler
);
821 static void unregister_buttons(struct button_t
*b
)
823 gpio_intmask(platform
.button_mask
, 0);
825 gpio_set_irqenable(0, button_handler
);
830 static void add_msg(struct event_t
*event
, char *msg
, int argv
)
837 s
= skb_put(event
->skb
, strlen(msg
) + 1);
841 static void hotplug_button(struct work_struct
*work
)
843 struct event_t
*event
= container_of(work
, struct event_t
, wq
);
849 event
->skb
= alloc_skb(2048, GFP_KERNEL
);
851 s
= skb_put(event
->skb
, strlen(event
->action
) + 2);
852 sprintf(s
, "%s@", event
->action
);
855 NETLINK_CB(event
->skb
).dst_group
= 1;
856 netlink_broadcast(uevent_sock
, event
->skb
, 0, 1, GFP_KERNEL
);
861 #else /* !LINUX_2_4 */
862 static inline char *kzalloc(unsigned int size
, unsigned int gfp
)
866 p
= kmalloc(size
, gfp
);
875 static void add_msg(struct event_t
*event
, char *msg
, int argv
)
878 event
->argv
[event
->anr
++] = event
->scratch
;
880 event
->envp
[event
->enr
++] = event
->scratch
;
882 event
->scratch
+= sprintf(event
->scratch
, "%s", msg
) + 1;
885 static void hotplug_button(struct event_t
*event
)
887 char *scratch
= kzalloc(256, GFP_KERNEL
);
888 event
->scratch
= scratch
;
890 add_msg(event
, hotplug_path
, 1);
891 add_msg(event
, "button", 1);
893 call_usermodehelper (event
->argv
[0], event
->argv
, event
->envp
);
897 #endif /* !LINUX_2_4 */
899 static int fill_event (struct event_t
*event
)
901 static char buf
[128];
903 add_msg(event
, "HOME=/", 0);
904 add_msg(event
, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
905 add_msg(event
, "SUBSYSTEM=button", 0);
906 snprintf(buf
, 128, "ACTION=%s", event
->action
);
907 add_msg(event
, buf
, 0);
908 snprintf(buf
, 128, "BUTTON=%s", event
->name
);
909 add_msg(event
, buf
, 0);
910 snprintf(buf
, 128, "SEEN=%ld", event
->seen
);
911 add_msg(event
, buf
, 0);
913 snprintf(buf
, 128, "SEQNUM=%llu", uevent_next_seqnum());
914 add_msg(event
, buf
, 0);
922 static irqreturn_t
button_handler(int irq
, void *dev_id
)
924 static irqreturn_t
button_handler(int irq
, void *dev_id
, struct pt_regs
*regs
)
930 in
= gpio_in() & platform
.button_mask
;
931 gpio_intpolarity(platform
.button_mask
, in
);
932 changed
= platform
.button_polarity
^ in
;
933 platform
.button_polarity
= in
;
935 changed
&= ~gpio_outen(0, 0);
937 for (b
= platform
.buttons
; b
->name
; b
++) {
938 struct event_t
*event
;
940 if (!(b
->gpio
& changed
)) continue;
944 if ((event
= (struct event_t
*)kzalloc (sizeof(struct event_t
), GFP_ATOMIC
))) {
945 event
->seen
= (jiffies
- b
->seen
)/HZ
;
946 event
->name
= b
->name
;
947 event
->action
= b
->pressed
? "pressed" : "released";
948 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
949 INIT_WORK(&event
->wq
, (void *)(void *)hotplug_button
);
951 INIT_WORK(&event
->wq
, (void *)(void *)hotplug_button
, (void *)event
);
953 schedule_work(&event
->wq
);
961 static void register_leds(struct led_t
*l
)
963 struct proc_dir_entry
*p
;
968 leds
= proc_mkdir("led", diag
);
972 for(; l
->name
; l
++) {
973 if (l
->gpio
& gpiomask
)
976 if (l
->gpio
& GPIO_TYPE_EXTIF
) {
980 if (l
->polarity
!= INPUT
) oe_mask
!= l
->gpio
;
982 val
|= (l
->polarity
== NORMAL
)?0:l
->gpio
;
985 if (l
->polarity
== INPUT
) continue;
987 if ((p
= create_proc_entry(l
->name
, S_IRUSR
, leds
))) {
988 l
->proc
.type
= PROC_LED
;
990 p
->data
= (void *) &l
->proc
;
991 p
->proc_fops
= &diag_proc_fops
;
995 gpio_outen(mask
, oe_mask
);
996 gpio_control(mask
, 0);
1000 static void unregister_leds(struct led_t
*l
)
1003 remove_proc_entry(l
->name
, leds
);
1005 remove_proc_entry("led", diag
);
1008 static void set_led_extif(struct led_t
*led
)
1010 gpio_set_extif(led
->gpio
, led
->state
);
1013 static void led_flash(unsigned long dummy
) {
1018 for (l
= platform
.leds
; l
->name
; l
++) {
1020 if (l
->gpio
& GPIO_TYPE_EXTIF
) {
1022 l
->state
= !l
->state
;
1032 u32 val
= ~gpio_in();
1034 gpio_outen(mask
, mask
);
1035 gpio_control(mask
, 0);
1036 gpio_out(mask
, val
);
1038 if (mask
|| extif_blink
) {
1039 mod_timer(&led_timer
, jiffies
+ FLASH_TIME
);
1043 static ssize_t
diag_proc_read(struct file
*file
, char *buf
, size_t count
, loff_t
*ppos
)
1046 struct inode
*inode
= file
->f_dentry
->d_inode
;
1047 struct proc_dir_entry
*dent
= inode
->u
.generic_ip
;
1049 struct proc_dir_entry
*dent
= PDE(file
->f_dentry
->d_inode
);
1054 if ((page
= kmalloc(1024, GFP_KERNEL
)) == NULL
)
1057 if (dent
->data
!= NULL
) {
1058 struct prochandler_t
*handler
= (struct prochandler_t
*) dent
->data
;
1059 switch (handler
->type
) {
1061 struct led_t
* led
= (struct led_t
*) handler
->ptr
;
1063 len
= sprintf(page
, "f\n");
1065 if (led
->gpio
& GPIO_TYPE_EXTIF
) {
1066 len
= sprintf(page
, "%d\n", led
->state
);
1068 u32 in
= (gpio_in() & led
->gpio
? 1 : 0);
1069 u8 p
= (led
->polarity
== NORMAL
? 0 : 1);
1070 len
= sprintf(page
, "%d\n", ((in
^ p
) ? 1 : 0));
1076 len
= sprintf(page
, "%s\n", platform
.name
);
1079 len
= sprintf(page
, "0x%04x\n", gpiomask
);
1086 len
= min_t(int, len
- *ppos
, count
);
1087 if (copy_to_user(buf
, (page
+ *ppos
), len
)) {
1101 static ssize_t
diag_proc_write(struct file
*file
, const char *buf
, size_t count
, loff_t
*ppos
)
1104 struct inode
*inode
= file
->f_dentry
->d_inode
;
1105 struct proc_dir_entry
*dent
= inode
->u
.generic_ip
;
1107 struct proc_dir_entry
*dent
= PDE(file
->f_dentry
->d_inode
);
1112 if ((page
= kmalloc(count
+ 1, GFP_KERNEL
)) == NULL
)
1115 if (copy_from_user(page
, buf
, count
)) {
1121 if (dent
->data
!= NULL
) {
1122 struct prochandler_t
*handler
= (struct prochandler_t
*) dent
->data
;
1123 switch (handler
->type
) {
1125 struct led_t
*led
= (struct led_t
*) handler
->ptr
;
1126 int p
= (led
->polarity
== NORMAL
? 0 : 1);
1128 if (page
[0] == 'f') {
1133 if (led
->gpio
& GPIO_TYPE_EXTIF
) {
1134 led
->state
= p
^ ((page
[0] == '1') ? 1 : 0);
1137 gpio_outen(led
->gpio
, led
->gpio
);
1138 gpio_control(led
->gpio
, 0);
1139 gpio_out(led
->gpio
, ((p
^ (page
[0] == '1')) ? led
->gpio
: 0));
1145 gpiomask
= simple_strtoul(page
, NULL
, 0);
1147 if (platform
.buttons
) {
1148 unregister_buttons(platform
.buttons
);
1149 register_buttons(platform
.buttons
);
1152 if (platform
.leds
) {
1153 unregister_leds(platform
.leds
);
1154 register_leds(platform
.leds
);
1165 static int __init
diag_init(void)
1167 static struct proc_dir_entry
*p
;
1168 static struct platform_t
*detected
;
1170 detected
= platform_detect();
1172 printk(MODULE_NAME
": Router model not detected.\n");
1175 memcpy(&platform
, detected
, sizeof(struct platform_t
));
1177 printk(MODULE_NAME
": Detected '%s'\n", platform
.name
);
1178 if (platform
.platform_init
!= NULL
) {
1179 platform
.platform_init();
1182 if (!(diag
= proc_mkdir("diag", NULL
))) {
1183 printk(MODULE_NAME
": proc_mkdir on /proc/diag failed\n");
1187 if ((p
= create_proc_entry("model", S_IRUSR
, diag
))) {
1188 p
->data
= (void *) &proc_model
;
1189 p
->proc_fops
= &diag_proc_fops
;
1192 if ((p
= create_proc_entry("gpiomask", S_IRUSR
| S_IWUSR
, diag
))) {
1193 p
->data
= (void *) &proc_gpiomask
;
1194 p
->proc_fops
= &diag_proc_fops
;
1197 if (platform
.buttons
)
1198 register_buttons(platform
.buttons
);
1201 register_leds(platform
.leds
);
1206 static void __exit
diag_exit(void)
1208 del_timer(&led_timer
);
1210 if (platform
.buttons
)
1211 unregister_buttons(platform
.buttons
);
1214 unregister_leds(platform
.leds
);
1216 remove_proc_entry("model", diag
);
1217 remove_proc_entry("gpiomask", diag
);
1218 remove_proc_entry("diag", NULL
);
1221 module_init(diag_init
);
1222 module_exit(diag_exit
);
1224 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1225 MODULE_LICENSE("GPL");