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>
30 #include <linux/workqueue.h>
31 #include <linux/skbuff.h>
32 #include <linux/netlink.h>
33 #include <linux/kobject.h>
35 #include <bcm47xx_board.h>
36 extern u64 uevent_next_seqnum(void);
40 #define getvar(str) (nvram_get(str)?:"")
42 static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
43 static int fill_event(struct event_t *);
44 static unsigned int gpiomask = 0;
45 module_param(gpiomask, int, 0644);
47 extern char *nvram_get(char *str);
48 static void led_flash(unsigned long dummy);
50 static struct platform_t platform;
52 static struct timer_list led_timer = TIMER_INITIALIZER(&led_flash, 0, 0);
54 static struct proc_dir_entry *diag, *leds;
56 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
57 static inline struct inode *file_inode(struct file *f)
59 return f->f_path.dentry->d_inode;
63 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)
64 static inline void *PDE_DATA(const struct inode *inode)
66 return PDE(inode)->data;
124 BUFFALO_UNKNOWN_4710,
169 /* Western Digital */
185 static void __init bcm4780_init(void) {
188 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
189 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
190 bcm47xx_gpio_outen(pin, pin);
191 bcm47xx_gpio_control(pin, 0);
192 bcm47xx_gpio_out(pin, pin);
194 /* Wait 5s, so the HDD can spin up */
195 set_current_state(TASK_INTERRUPTIBLE);
196 schedule_timeout(HZ * 5);
199 static void __init NetCenter_init(void) {
200 /* unset pin 6 (+12V) */
202 bcm47xx_gpio_outen(pin, pin);
203 bcm47xx_gpio_control(pin, 0);
204 bcm47xx_gpio_out(pin, pin);
205 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
207 bcm47xx_gpio_outen(pin, pin);
208 bcm47xx_gpio_control(pin, 0);
209 bcm47xx_gpio_out(pin, pin);
210 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
214 static void __init bcm57xx_init(void) {
217 /* FIXME: switch comes up, but port mappings/vlans not right */
218 bcm47xx_gpio_outen(pin, pin);
219 bcm47xx_gpio_control(pin, 0);
220 bcm47xx_gpio_out(pin, pin);
223 static struct platform_t __initdata platforms[] = {
226 .name = "Linksys WAP54G V1",
228 { .name = "reset", .gpio = 1 << 0 },
231 { .name = "diag", .gpio = 1 << 3 },
232 { .name = "wlan", .gpio = 1 << 4 },
236 .name = "Linksys WAP54G V2",
238 { .name = "reset", .gpio = 1 << 0 },
241 { .name = "wlan", .gpio = 1 << 5, .polarity = REVERSE },
242 /* GPIO 6 is b44 (eth0, LAN) PHY power */
246 .name = "Linksys WAP54G V3",
248 /* FIXME: verify this */
249 { .name = "reset", .gpio = 1 << 7 },
250 { .name = "ses", .gpio = 1 << 0 },
254 { .name = "ses", .gpio = 1 << 1 },
258 .name = "Linksys WRT54G V1.x",
260 { .name = "reset", .gpio = 1 << 6 },
263 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
264 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
268 .name = "Linksys WRT54G/GS/GL",
270 { .name = "reset", .gpio = 1 << 6 },
271 { .name = "ses", .gpio = 1 << 4 },
274 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
275 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
276 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
277 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
278 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
282 .name = "Linksys WRTSL54GS",
284 { .name = "reset", .gpio = 1 << 6 },
285 { .name = "ses", .gpio = 1 << 4 },
288 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
289 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
290 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
291 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
295 .name = "Linksys WRT54G3G",
297 { .name = "reset", .gpio = 1 << 6 },
298 { .name = "3g", .gpio = 1 << 4 },
301 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
302 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
303 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
304 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
305 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
309 .name = "Linksys WRT54G3GV2-VF",
311 { .name = "reset", .gpio = 1 << 6 },
312 { .name = "3g", .gpio = 1 << 5 },
315 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
316 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
317 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
321 .name = "Linksys WRT150N V1",
323 { .name = "reset", .gpio = 1 << 6 },
324 { .name = "ses", .gpio = 1 << 4 },
327 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
328 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE },
329 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
333 .name = "Linksys WRT150N V1.1",
335 { .name = "reset", .gpio = 1 << 6 },
336 { .name = "ses", .gpio = 1 << 4 },
339 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
340 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE },
341 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
345 .name = "Linksys WRT160N v1.x",
347 { .name = "reset", .gpio = 1 << 6 },
348 { .name = "ses", .gpio = 1 << 4 },
351 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
352 { .name = "ses_blue", .gpio = 1 << 5, .polarity = REVERSE },
353 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
357 .name = "Linksys WRT160N V3",
359 { .name = "reset", .gpio = 1 << 6 },
360 { .name = "ses", .gpio = 1 << 5 },
363 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
364 { .name = "ses_blue", .gpio = 1 << 4, .polarity = REVERSE },
365 { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE },
369 .name = "Linksys WRT300N V1.1",
371 { .name = "reset", .gpio = 1 << 6 }, // "Reset" on back panel
372 { .name = "ses", .gpio = 1 << 4 }, // "Reserved" on top panel
375 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // "Power"
376 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
377 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
379 .platform_init = bcm57xx_init,
382 .name = "Linksys WRT350N",
384 { .name = "reset", .gpio = 1 << 6 },
385 { .name = "ses", .gpio = 1 << 8 },
388 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
389 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
390 { .name = "ses_green", .gpio = 1 << 9, .polarity = REVERSE },
391 { .name = "usb_blink", .gpio = 1 << 10, .polarity = REVERSE },
392 { .name = "usb", .gpio = 1 << 11, .polarity = REVERSE },
394 .platform_init = bcm57xx_init,
397 .name = "Linksys WRT600N",
399 { .name = "reset", .gpio = 1 << 6 },
400 { .name = "ses", .gpio = 1 << 7 },
403 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
404 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
405 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
406 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
407 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
408 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
410 .platform_init = bcm57xx_init,
413 .name = "Linksys WRT600N V1.1",
415 { .name = "reset", .gpio = 1 << 6 },
416 { .name = "ses", .gpio = 1 << 7 },
419 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
420 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
421 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
422 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
423 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
424 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
426 .platform_init = bcm57xx_init,
429 .name = "Linksys WRT610N",
431 { .name = "reset", .gpio = 1 << 6 },
432 { .name = "ses", .gpio = 1 << 8 },
435 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // Power LED
436 { .name = "usb", .gpio = 1 << 0, .polarity = REVERSE }, // USB LED
437 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED amber
438 { .name = "ses_blue", .gpio = 1 << 9, .polarity = REVERSE }, // WiFi protected setup LED blue
442 .name = "Linksys WRT610N V2",
444 { .name = "reset", .gpio = 1 << 6 },
445 { .name = "ses", .gpio = 1 << 4 },
448 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL }, // Power LED
449 { .name = "usb", .gpio = 1 << 7, .polarity = NORMAL }, // USB LED
450 { .name = "ses_amber", .gpio = 1 << 0, .polarity = REVERSE }, // WiFi protected setup LED amber
451 { .name = "ses_blue", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED blue
452 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL }, // Wireless LED
455 /* same hardware as WRT160NV3 and Cisco Valet M10V1, but different board detection, combine? */
457 .name = "Linksys E1000 V1",
459 { .name = "reset", .gpio = 1 << 6 },
460 { .name = "wps", .gpio = 1 << 5 }, /* nvram get gpio5=wps_button */
463 /** turns on leds for all ethernet ports (wan too)
464 * this also disconnects some, or maybe all, ethernet ports
465 * 1: leds work normally
466 * 0: all lit all the time */
467 /* nvram get gpio3=robo_reset */
468 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
469 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
470 { .name = "ses_blue", .gpio = 1 << 4, .polarity = REVERSE }, /* nvram get gpio4=wps_led */
471 { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE }, /* nvram get gpio2=wps_status_led */
475 .name = "Linksys E3000 V1",
477 { .name = "reset", .gpio = 1 << 6 },
478 { .name = "ses", .gpio = 1 << 4 },
481 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL }, // Power LED
482 { .name = "usb", .gpio = 1 << 7, .polarity = NORMAL }, // USB LED
483 { .name = "ses_amber", .gpio = 1 << 0, .polarity = REVERSE }, // WiFi protected setup LED amber
484 { .name = "ses_blue", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED blue
485 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL }, // Wireless LED
489 .name = "Linksys E3200 V1",
491 /* { .name = "switch", .gpio = 1 << 4 },*/ /* nvram get gpio4=robo_reset */
492 { .name = "reset", .gpio = 1 << 5 }, /* nvram get reset_gpio=5 */
493 { .name = "wps", .gpio = 1 << 8 }, /* nvram get gpio8=wps_button */
494 /* { .name = "wombo", .gpio = 1 << 23 },*/ /* nvram get gpio23=wombo_reset - wireless on motherboard */
497 { .name = "power", .gpio = 1 << 3, .polarity = REVERSE }, /* Power LED */
501 .name = "Linksys E4200 V1",
503 { .name = "reset", .gpio = 1 << 6 },
504 { .name = "wps", .gpio = 1 << 4 },
507 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
512 .name = "ASUS WL-HDD",
514 { .name = "reset", .gpio = 1 << 6 },
517 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
518 { .name = "usb", .gpio = 1 << 2, .polarity = REVERSE },
522 .name = "ASUS WL-300g",
524 { .name = "reset", .gpio = 1 << 6 },
527 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
531 .name = "ASUS WL-320gE/WL-320gP",
533 { .name = "reset", .gpio = 1 << 6 },
536 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
537 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE },
538 { .name = "link", .gpio = 1 << 11, .polarity = REVERSE },
542 .name = "ASUS WL-330gE",
544 { .name = "reset", .gpio = 1 << 2 },
547 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
551 .name = "ASUS WL-500g",
553 { .name = "reset", .gpio = 1 << 6 },
556 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
560 .name = "ASUS WL-500g Deluxe",
562 { .name = "reset", .gpio = 1 << 6 },
565 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
569 .name = "ASUS WL-500g Premium",
571 { .name = "reset", .gpio = 1 << 0 },
572 { .name = "ses", .gpio = 1 << 4 },
575 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
579 .name = "ASUS WL-500g Premium V2",
581 { .name = "reset", .gpio = 1 << 2 },
582 { .name = "ses", .gpio = 1 << 3 },
585 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
586 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
590 .name = "ASUS WL-500W",
592 { .name = "reset", .gpio = 1 << 6 },
593 { .name = "ses", .gpio = 1 << 7 },
596 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
600 .name = "ASUS WL-520GC",
602 { .name = "reset", .gpio = 1 << 2 },
603 { .name = "ses", .gpio = 1 << 3 },
606 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
607 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
611 .name = "ASUS WL-520gU",
613 { .name = "reset", .gpio = 1 << 2 },
614 { .name = "ses", .gpio = 1 << 3 },
617 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
618 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
622 .name = "ASUS (unknown, BCM4702)",
624 { .name = "reset", .gpio = 1 << 6 },
627 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
631 .name = "ASUS WL-700gE",
633 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
634 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
635 { .name = "power", .gpio = 1 << 0 }, // on front
636 { .name = "copy", .gpio = 1 << 6 }, // on front
640 // GPIO that controls power led also enables/disables some essential functions
643 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
645 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
647 .platform_init = bcm4780_init,
650 .name = "ASUS RT-N12",
652 { .name = "wps", .gpio = 1 << 0 },
653 { .name = "reset", .gpio = 1 << 1 },
654 // this is the router/repeater/ap switch
655 { .name = "sw1", .gpio = 1 << 4 },
656 { .name = "sw2", .gpio = 1 << 5 },
657 { .name = "sw3", .gpio = 1 << 6 },
660 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE },
661 { .name = "wlan", .gpio = 1 << 7, .polarity = NORMAL },
662 // gpio3 forces WAN and LAN1-4 all on
663 //{ .name = "eth", .gpio = 1 << 3, .polarity = REVERSE },
667 .name = "ASUS RT-N16",
669 { .name = "reset", .gpio = 1 << 8 },
670 { .name = "ses", .gpio = 1 << 5 },
673 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
674 { .name = "wlan", .gpio = 1 << 7, .polarity = NORMAL },
678 .name = "ASUS RT-N66U",
680 { .name = "reset", .gpio = 1 << 9 },
681 { .name = "wps", .gpio = 1 << 4 },
684 { .name = "power", .gpio = 1 << 12, .polarity = REVERSE },
685 { .name = "usb", .gpio = 1 << 15, .polarity = REVERSE },
690 .name = "Buffalo WHR-G54S",
692 { .name = "reset", .gpio = 1 << 4 },
693 { .name = "bridge", .gpio = 1 << 5 },
694 { .name = "ses", .gpio = 1 << 0 },
697 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
698 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
699 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
700 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
701 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
705 .name = "Buffalo WBR2-G54",
708 { .name = "reset", .gpio = 1 << 7 },
711 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
715 .name = "Buffalo WHR-HP-G54",
717 { .name = "reset", .gpio = 1 << 4 },
718 { .name = "bridge", .gpio = 1 << 5 },
719 { .name = "ses", .gpio = 1 << 0 },
722 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
723 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
724 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
725 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
726 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
730 .name = "Buffalo WHR-G125",
732 { .name = "reset", .gpio = 1 << 4 },
733 { .name = "bridge", .gpio = 1 << 5 },
734 { .name = "ses", .gpio = 1 << 0 },
737 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
738 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
739 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
740 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
741 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
745 .name = "Buffalo WHR2-A54G54",
747 { .name = "reset", .gpio = 1 << 4 },
750 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
754 .name = "Buffalo WLA2-G54L",
757 { .name = "reset", .gpio = 1 << 7 },
760 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
764 .name = "Buffalo WZR-G300N",
766 { .name = "reset", .gpio = 1 << 4 },
769 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
770 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
771 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
775 .name = "Buffalo WZR-RS-G54",
777 { .name = "ses", .gpio = 1 << 0 },
778 { .name = "reset", .gpio = 1 << 4 },
781 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
782 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
783 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
787 .name = "Buffalo WZR-RS-G54HP",
789 { .name = "ses", .gpio = 1 << 0 },
790 { .name = "reset", .gpio = 1 << 4 },
793 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
794 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
795 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
798 [BUFFALO_UNKNOWN_4710] = {
799 .name = "Buffalo (unknown, BCM4710)",
801 { .name = "reset", .gpio = 1 << 4 },
804 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
809 .name = "Siemens SE505 V1",
811 /* No usable buttons */
814 // { .name = "power", .gpio = 1 << 0 .polarity = REVERSE }, // Usable when retrofitting D26 (?)
815 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE }, // actual name WWW
816 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
820 .name = "Siemens SE505 V2",
822 /* No usable buttons */
825 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
826 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE }, // actual name WWW
827 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
832 .name = "U.S. Robotics USR5461",
834 /* No usable buttons */
837 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
838 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
843 .name = "Dell TrueMobile 2300",
845 { .name = "reset", .gpio = 1 << 0 },
848 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
849 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
853 .name = "Dell TrueMobile 2300 v2",
855 { .name = "reset", .gpio = 1 << 0 },
858 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
859 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
864 .name = "Motorola WE800G",
866 { .name = "reset", .gpio = 1 << 0 },
869 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
870 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
871 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
875 .name = "Motorola WR850G V1",
877 { .name = "reset", .gpio = 1 << 0 },
880 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
881 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
882 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
883 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
884 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
888 .name = "Motorola WR850G V2/V3",
890 { .name = "reset", .gpio = 1 << 5 },
893 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
894 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
895 { .name = "wan", .gpio = 1 << 6, .polarity = INPUT },
896 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
900 .name = "Motorola WR850GP",
902 { .name = "reset", .gpio = 1 << 5 },
905 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
906 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
907 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
908 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
914 .name = "Belkin (unknown)",
915 /* FIXME: verify & add detection */
917 { .name = "reset", .gpio = 1 << 7 },
920 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
921 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
922 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
926 .name = "Belkin PlayMax F7D4301",
928 { .name = "reset", .gpio = 1 << 6 },
929 { .name = "wps", .gpio = 1 << 8 },
932 { .name = "power", .gpio = 1 << 11, .polarity = REVERSE },
933 { .name = "wlan", .gpio = 1 << 13, .polarity = REVERSE },
934 { .name = "led0", .gpio = 1 << 14, .polarity = REVERSE },
935 { .name = "led1", .gpio = 1 << 15, .polarity = REVERSE },
940 .name = "Netgear WGT634U",
942 { .name = "reset", .gpio = 1 << 2 },
945 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
950 .name = "Netgear WNR834B V1",
951 .buttons = { /* TODO: add reset button and confirm LEDs - GPIO from dd-wrt */ },
953 { .name = "power", .gpio = 1 << 4, .polarity = REVERSE },
954 { .name = "diag", .gpio = 1 << 5, .polarity = REVERSE },
955 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
960 .name = "Netgear WNR834B V2",
962 { .name = "reset", .gpio = 1 << 6 },
965 { .name = "power", .gpio = 1 << 2, .polarity = NORMAL },
966 { .name = "diag", .gpio = 1 << 3, .polarity = NORMAL },
967 { .name = "connected", .gpio = 1 << 7, .polarity = NORMAL },
971 .name = "Netgear WNDR3400 V1",
973 /* nvram get gpio5=robo_reset */
974 { .name = "reset", .gpio = 1 << 4 },
975 { .name = "wps", .gpio = 1 << 6 },
976 { .name = "wlan", .gpio = 1 << 8 },
979 { .name = "wlan", .gpio = 0 << 0, .polarity = NORMAL },
980 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
981 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
982 { .name = "diag", .gpio = 1 << 7, .polarity = NORMAL },
983 { .name = "usb", .gpio = 1 << 2, .polarity = REVERSE },
987 .name = "Netgear WNDR3700 V3",
989 /* { .name = "usb", .gpio = 1 << 1 }, */ /* this button doesn't seem to exist. */
990 { .name = "wlan", .gpio = 1 << 2 },
991 { .name = "reset", .gpio = 1 << 3 },
992 { .name = "wps", .gpio = 1 << 4 },
993 /* { .name = "switch", .gpio = 1 << 5 },*/ /* nvram get gpio5=robo_reset */
996 { .name = "power", .gpio = (1 << 0) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
997 { .name = "diag", .gpio = (1 << 1) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
998 /* WAN LED doesn't respond to GPIO control. The switch is probably driving it.
999 * { .name = "wan", .gpio = (1 << 2) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1001 { .name = "wlan2g", .gpio = (1 << 3) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1002 { .name = "wlan5g", .gpio = (1 << 4) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1003 { .name = "usb", .gpio = (1 << 5) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1004 { .name = "wps", .gpio = (1 << 6) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1005 { .name = "wlan", .gpio = (1 << 7) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1010 .name = "Trendware TEW411BRP+",
1012 { /* No usable buttons */ },
1015 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
1016 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
1017 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
1022 .name = "SimpleTech SimpleShare NAS",
1024 { .name = "reset", .gpio = 1 << 0 }, // Power button on back, named reset to enable failsafe.
1027 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
1029 .platform_init = bcm4780_init,
1033 .name = "D-Link DIR-130",
1035 { .name = "reset", .gpio = 1 << 3},
1036 { .name = "reserved", .gpio = 1 << 7},
1039 { .name = "diag", .gpio = 1 << 0},
1040 { .name = "blue", .gpio = 1 << 6},
1044 .name = "D-Link DIR-320",
1046 { .name = "reserved", .gpio = 1 << 6},
1047 { .name = "reset", .gpio = 1 << 7},
1050 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
1051 { .name = "diag", .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
1052 { .name = "red", .gpio = 1 << 3, .polarity = REVERSE },
1053 { .name = "blue", .gpio = 1 << 4, .polarity = REVERSE },
1054 { .name = "usb", .gpio = 1 << 5, .polarity = NORMAL },
1058 .name = "D-Link DIR-330",
1060 { .name = "reset", .gpio = 1 << 3},
1061 { .name = "reserved", .gpio = 1 << 7},
1064 { .name = "diag", .gpio = 1 << 0},
1065 { .name = "usb", .gpio = 1 << 4},
1066 { .name = "blue", .gpio = 1 << 6},
1070 .name = "D-Link DWL-3150",
1072 { .name = "reset", .gpio = 1 << 7},
1075 { .name = "diag", .gpio = 1 << 2},
1076 { .name = "status", .gpio = 1 << 1},
1081 .name = "Sitecom WL-105b",
1083 { .name = "reset", .gpio = 1 << 10},
1086 { .name = "wlan", .gpio = 1 << 4},
1087 { .name = "power", .gpio = 1 << 3},
1090 /* Western Digital Net Center */
1092 .name = "Western Digital NetCenter",
1094 { .name = "power", .gpio = 1 << 0},
1095 { .name = "reset", .gpio = 1 << 7},
1097 .platform_init = NetCenter_init,
1099 /* Askey (and clones) */
1101 .name = "Askey RT210W",
1103 /* Power button is hard-wired to hardware reset */
1104 /* but is also connected to GPIO 7 (probably for bootloader recovery) */
1105 { .name = "power", .gpio = 1 << 7},
1108 /* These were verified and named based on Belkin F5D4230-4 v1112 */
1109 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
1110 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
1111 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
1115 .name = "OvisLink WL-1600GL",
1117 { .name = "reset", .gpio = 1 << 3 },
1118 { .name = "ses", .gpio = 1 << 4 },
1121 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
1122 { .name = "wps", .gpio = 1 << 2, .polarity = REVERSE },
1123 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
1124 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
1129 .name = "Microsoft MN-700",
1131 { .name = "reset", .gpio = 1 << 7 },
1134 { .name = "power", .gpio = 1 << 6, .polarity = NORMAL },
1139 .name = "Edimax PS-1208MFG",
1141 { .name = "reset", .gpio = 1 << 4 },
1144 { .name = "status", .gpio = 1 << 1, .polarity = NORMAL },
1145 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
1150 static struct platform_t __init *platform_detect_legacy(void)
1152 char *boardnum, *boardtype;
1154 if (strcmp(getvar("nvram_type"), "cfe") == 0)
1155 return &platforms[WGT634U];
1158 /* no easy model number, attempt to guess */
1159 boardnum = getvar("boardnum");
1160 boardtype = getvar("boardtype");
1162 if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N v1/V1.1 */
1163 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
1164 return &platforms[WRT600NV11];
1166 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
1167 return &platforms[WRT600N];
1170 if (startswith(getvar("pmon_ver"), "CFE")) {
1171 /* CFE based - newer hardware */
1172 if (!strcmp(boardnum, "42")) { /* Linksys */
1173 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
1174 return &platforms[WRT350N];
1176 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
1177 return &platforms[WRT54G3G];
1179 /* default to WRT54G */
1180 return &platforms[WRT54G];
1182 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1183 return &platforms[WAP54GV2];
1185 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1186 return &platforms[WL1600GL];
1189 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1190 if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1191 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1194 if (!strcmp(boardnum, "10496"))
1195 return &platforms[USR5461];
1197 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1198 return &platforms[SE505V2];
1200 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1201 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1202 return &platforms[DIR320];
1204 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1205 return &platforms[WDNetCenter];
1208 if (!strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B V1 and V2*/
1209 if (!strcmp(boardnum, "08") || !strcmp(boardnum, "8"))
1210 return &platforms[WNR834BV1];
1211 if (!strcmp(boardnum, "01") || !strcmp(boardnum, "1"))
1212 return &platforms[WNR834BV2];
1215 } else { /* PMON based - old stuff */
1216 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1217 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1218 return &platforms[WR850GV1];
1220 if (startswith(boardtype, "bcm94710dev")) {
1221 if (!strcmp(boardnum, "42"))
1222 return &platforms[WRT54GV1];
1223 if (simple_strtoul(boardnum, NULL, 0) == 2)
1224 return &platforms[WAP54GV1];
1226 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1227 if (startswith(getvar("hardware_version"), "WL500-")) {
1228 if (!strcmp(getvar("boardnum"), "mn700"))
1229 return &platforms[MN700];
1231 return &platforms[WL500G];
1233 /* Sitecom WL-105b */
1234 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1235 return &platforms[WL105B];
1237 /* unknown asus stuff, probably bcm4702 */
1238 if (startswith(boardnum, "asusX"))
1239 return &platforms[ASUS_4702];
1241 /* bcm4702 based Askey RT210W clones, Including:
1242 * Askey RT210W (duh?)
1244 * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1246 if (!strcmp(boardtype,"bcm94710r4")
1247 && !strcmp(boardnum ,"100")
1248 && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1250 return &platforms[RT210W];
1254 if (boardnum || !strcmp(boardnum, "00")) {/* probably buffalo */
1255 if (startswith(boardtype, "bcm94710ap"))
1256 return &platforms[BUFFALO_UNKNOWN_4710];
1259 if (startswith(getvar("CFEver"), "MotoWRv2") ||
1260 startswith(getvar("CFEver"), "MotoWRv3") ||
1261 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1263 return &platforms[WR850GV2V3];
1266 if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
1267 return &platforms[TEW411BRPP];
1270 if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1271 return &platforms[STI_NAS];
1273 if (!strcmp(boardnum, "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1274 return &platforms[DWL3150];
1276 if (!strcmp(boardnum, "01") && !strcmp(boardtype, "0x048e") && /* Edimax PS1208MFG */
1277 !strcmp(getvar("status_gpio"), "1")) /* gpio based detection */
1278 return &platforms[PS1208MFG];
1284 static struct platform_t __init *platform_detect(void)
1286 enum bcm47xx_board board;
1287 const char *board_name;
1290 board = bcm47xx_board_get();
1291 board_name = bcm47xx_board_get_name();
1292 if (board != BCM47XX_BOARD_UNKNOWN && board != BCM47XX_BOARD_NON)
1293 printk(MODULE_NAME ": kernel found a \"%s\"\n", board_name);
1296 case BCM47XX_BOARD_ASUS_RTN12:
1297 return &platforms[RTN12];
1298 case BCM47XX_BOARD_ASUS_RTN16:
1299 return &platforms[RTN16];
1300 case BCM47XX_BOARD_ASUS_RTN66U:
1301 return &platforms[RTN66U];
1302 case BCM47XX_BOARD_ASUS_WL300G:
1303 return &platforms[WL300G];
1304 case BCM47XX_BOARD_ASUS_WL320GE:
1305 return &platforms[WL320GE];
1306 case BCM47XX_BOARD_ASUS_WL330GE:
1307 return &platforms[WL330GE];
1308 case BCM47XX_BOARD_ASUS_WL500GD:
1309 return &platforms[WL500GD];
1310 case BCM47XX_BOARD_ASUS_WL500GPV1:
1311 return &platforms[WL500GP];
1312 case BCM47XX_BOARD_ASUS_WL500GPV2:
1313 return &platforms[WL500GPV2];
1314 case BCM47XX_BOARD_ASUS_WL500W:
1315 return &platforms[WL500W];
1316 case BCM47XX_BOARD_ASUS_WL520GC:
1317 return &platforms[WL520GC];
1318 case BCM47XX_BOARD_ASUS_WL520GU:
1319 return &platforms[WL520GU];
1320 case BCM47XX_BOARD_ASUS_WL700GE:
1321 return &platforms[WL700GE];
1322 case BCM47XX_BOARD_ASUS_WLHDD:
1323 return &platforms[WLHDD];
1324 case BCM47XX_BOARD_BELKIN_F7D4301:
1325 return &platforms[BELKIN_F7D4301];
1326 case BCM47XX_BOARD_BUFFALO_WBR2_G54:
1327 return &platforms[WBR2_G54];
1328 case BCM47XX_BOARD_BUFFALO_WHR2_A54G54:
1329 return &platforms[WHR2_A54G54];
1330 case BCM47XX_BOARD_BUFFALO_WHR_G125:
1331 return &platforms[WHR_G125];
1332 case BCM47XX_BOARD_BUFFALO_WHR_G54S:
1333 return &platforms[WHR_G54S];
1334 case BCM47XX_BOARD_BUFFALO_WHR_HP_G54:
1335 return &platforms[WHR_HP_G54];
1336 case BCM47XX_BOARD_BUFFALO_WLA2_G54L:
1337 return &platforms[WLA2_G54L];
1338 case BCM47XX_BOARD_BUFFALO_WZR_G300N:
1339 return &platforms[WZR_G300N];
1340 case BCM47XX_BOARD_BUFFALO_WZR_RS_G54:
1341 return &platforms[WZR_RS_G54];
1342 case BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP:
1343 return &platforms[WZR_RS_G54HP];
1344 case BCM47XX_BOARD_DELL_TM2300:
1345 return &platforms[TM2300];
1346 case BCM47XX_BOARD_DLINK_DIR130:
1347 return &platforms[DIR130];
1348 case BCM47XX_BOARD_DLINK_DIR330:
1349 return &platforms[DIR330];
1350 case BCM47XX_BOARD_LINKSYS_E1000V1:
1351 return &platforms[E1000V1];
1352 case BCM47XX_BOARD_LINKSYS_E3000V1:
1353 return &platforms[E3000V1];
1354 case BCM47XX_BOARD_LINKSYS_E3200V1:
1355 return &platforms[E3200V1];
1356 case BCM47XX_BOARD_LINKSYS_E4200V1:
1357 return &platforms[E4200V1];
1358 case BCM47XX_BOARD_LINKSYS_WRT150NV1:
1359 return &platforms[WRT150NV1];
1360 case BCM47XX_BOARD_LINKSYS_WRT150NV11:
1361 return &platforms[WRT150NV11];
1362 case BCM47XX_BOARD_LINKSYS_WRT160NV1:
1363 return &platforms[WRT160NV1];
1364 case BCM47XX_BOARD_LINKSYS_WRT160NV3:
1365 return &platforms[WRT160NV3];
1366 case BCM47XX_BOARD_LINKSYS_WRT300NV11:
1367 return &platforms[WRT300NV11];
1368 case BCM47XX_BOARD_LINKSYS_WRT54G3GV2:
1369 return &platforms[WRT54G3GV2_VF];
1370 case BCM47XX_BOARD_LINKSYS_WRT610NV1:
1371 return &platforms[WRT610N];
1372 case BCM47XX_BOARD_LINKSYS_WRT610NV2:
1373 return &platforms[WRT610NV2];
1374 case BCM47XX_BOARD_LINKSYS_WRTSL54GS:
1375 return &platforms[WRTSL54GS];
1376 case BCM47XX_BOARD_MOTOROLA_WE800G:
1377 return &platforms[WE800G];
1378 case BCM47XX_BOARD_MOTOROLA_WR850GP:
1379 return &platforms[WR850GP];
1380 case BCM47XX_BOARD_MOTOROLA_WR850GV2V3:
1381 return &platforms[WR850GV2V3];
1382 case BCM47XX_BOARD_NETGEAR_WNDR3400V1:
1383 return &platforms[WNDR3400V1];
1384 case BCM47XX_BOARD_NETGEAR_WNDR3700V3:
1385 return &platforms[WNDR3700V3];
1386 case BCM47XX_BOARD_UNKNOWN:
1387 case BCM47XX_BOARD_NON:
1388 printk(MODULE_NAME ": unknown board found, try legacy detect\n");
1389 printk(MODULE_NAME ": please open a ticket at https://dev.openwrt.org and attach the complete nvram\n");
1390 return platform_detect_legacy();
1392 printk(MODULE_NAME ": board was detected as \"%s\", but not gpio configuration available\n", board_name);
1393 printk(MODULE_NAME ": now trying legacy detect\n");
1394 return platform_detect_legacy();
1398 static inline void ssb_maskset32(struct ssb_device *dev,
1399 u16 offset, u32 mask, u32 set)
1401 ssb_write32(dev, offset, (ssb_read32(dev, offset) & mask) | set);
1404 static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
1409 irq = gpio_to_irq(0);
1411 pr_err("no irq for gpio available\n");
1416 err = request_irq(irq, handler, IRQF_SHARED, "gpio", handler);
1418 pr_err("can not reqeust irq\n");
1422 free_irq(irq, handler);
1425 switch (bcm47xx_bus_type) {
1426 #ifdef CONFIG_BCM47XX_SSB
1427 case BCM47XX_BUS_TYPE_SSB:
1428 if (bcm47xx_bus.ssb.chipco.dev)
1429 ssb_maskset32(bcm47xx_bus.ssb.chipco.dev, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
1432 #ifdef CONFIG_BCM47XX_BCMA
1433 case BCM47XX_BUS_TYPE_BCMA:
1434 if (bcm47xx_bus.bcma.bus.drv_cc.core)
1435 bcma_maskset32(bcm47xx_bus.bcma.bus.drv_cc.core, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO, (enabled ? BCMA_CC_IRQ_GPIO : 0));
1441 static void hotplug_button(struct work_struct *work)
1443 struct event_t *event = container_of(work, struct event_t, wq);
1446 event->skb = alloc_skb(2048, GFP_KERNEL);
1448 s = skb_put(event->skb, strlen(event->action) + 2);
1449 sprintf(s, "%s@", event->action);
1452 NETLINK_CB(event->skb).dst_group = 1;
1453 broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1458 static irqreturn_t button_handler(int irq, void *dev_id)
1463 in = bcm47xx_gpio_in(~0) & platform.button_mask;
1464 bcm47xx_gpio_polarity(platform.button_mask, in);
1465 changed = platform.button_polarity ^ in;
1466 platform.button_polarity = in;
1468 changed &= ~bcm47xx_gpio_outen(0, 0);
1470 for (b = platform.buttons; b->name; b++) {
1471 struct event_t *event;
1473 if (!(b->gpio & changed)) continue;
1477 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1478 event->seen = (jiffies - b->seen)/HZ;
1479 event->name = b->name;
1480 event->action = b->pressed ? "pressed" : "released";
1481 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1482 schedule_work(&event->wq);
1490 static void register_buttons(struct button_t *b)
1492 for (; b->name; b++)
1493 platform.button_mask |= b->gpio;
1495 platform.button_mask &= ~gpiomask;
1497 bcm47xx_gpio_outen(platform.button_mask, 0);
1498 bcm47xx_gpio_control(platform.button_mask, 0);
1499 platform.button_polarity = bcm47xx_gpio_in(~0) & platform.button_mask;
1500 bcm47xx_gpio_polarity(platform.button_mask, platform.button_polarity);
1501 bcm47xx_gpio_intmask(platform.button_mask, platform.button_mask);
1503 gpio_set_irqenable(1, button_handler);
1506 static void unregister_buttons(struct button_t *b)
1508 bcm47xx_gpio_intmask(platform.button_mask, 0);
1510 gpio_set_irqenable(0, button_handler);
1514 static void add_msg(struct event_t *event, char *msg, int argv)
1521 s = skb_put(event->skb, strlen(msg) + 1);
1525 static int fill_event (struct event_t *event)
1527 static char buf[128];
1529 add_msg(event, "HOME=/", 0);
1530 add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1531 add_msg(event, "SUBSYSTEM=button", 0);
1532 snprintf(buf, 128, "ACTION=%s", event->action);
1533 add_msg(event, buf, 0);
1534 snprintf(buf, 128, "BUTTON=%s", event->name);
1535 add_msg(event, buf, 0);
1536 snprintf(buf, 128, "SEEN=%ld", event->seen);
1537 add_msg(event, buf, 0);
1538 snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1539 add_msg(event, buf, 0);
1545 * This should be extended to allow the platform to specify the pins and width
1546 * of the shift register. They're hardcoded for now because only the WNDR3700v3
1549 static void shiftreg_output(unsigned int val)
1553 bcm47xx_gpio_out(SHIFTREG_DATA, SHIFTREG_DATA); /* init off, pull high */
1554 bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* init reset */
1557 for(mask = 1 << (SHIFTREG_MAX_BITS-1); mask; mask >>= 1)
1559 bcm47xx_gpio_out(SHIFTREG_DATA, (val & mask) ? SHIFTREG_DATA : 0);
1560 bcm47xx_gpio_out(SHIFTREG_CLK, SHIFTREG_CLK); /* pull high to trigger */
1561 bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* reset to low */
1565 static void set_led_shift(struct led_t *led)
1567 static u32 shiftreg = 0;
1569 u32 pin = (led->gpio & ~GPIO_TYPE_MASK);
1577 /* Clock the bits out. */
1578 if (shiftreg != old) {
1579 shiftreg_output(shiftreg);
1583 static void set_led_extif(struct led_t *led)
1585 volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (led->gpio & ~GPIO_TYPE_MASK);
1593 static void led_flash(unsigned long dummy) {
1598 for (l = platform.leds; l->name; l++) {
1599 if (!l->flash) continue;
1600 switch (l->gpio & GPIO_TYPE_MASK) {
1601 case GPIO_TYPE_EXTIF:
1603 l->state = !l->state;
1606 case GPIO_TYPE_SHIFT:
1608 l->state = !l->state;
1611 case GPIO_TYPE_NORMAL:
1620 u32 val = ~bcm47xx_gpio_in(~0);
1622 bcm47xx_gpio_outen(mask, mask);
1623 bcm47xx_gpio_control(mask, 0);
1624 bcm47xx_gpio_out(mask, val);
1626 if (mask || extif_blink) {
1627 mod_timer(&led_timer, jiffies + FLASH_TIME);
1631 static int diag_led_show(struct seq_file *m, void *v)
1633 struct led_t * led = m->private;
1635 u8 p = (led->polarity == NORMAL ? 0 : 1);
1637 return seq_printf(m, "f\n");
1638 } else if ((led->gpio & GPIO_TYPE_MASK) != GPIO_TYPE_NORMAL) {
1639 return seq_printf(m, "%d\n", ((led->state ^ p) ? 1 : 0));
1641 u32 in = (bcm47xx_gpio_in(~0) & led->gpio ? 1 : 0);
1642 return seq_printf(m, "%d\n", ((in ^ p) ? 1 : 0));
1646 static int diag_led_open(struct inode *inode, struct file *file)
1648 return single_open(file, diag_led_show, PDE_DATA(inode));
1651 static ssize_t diag_led_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1653 struct led_t *led = PDE_DATA(file_inode(file));
1658 len = min(count, sizeof(cmd) - 1);
1659 if (copy_from_user(cmd, buf, len))
1664 p = (led->polarity == NORMAL ? 0 : 1);
1665 if (cmd[0] == 'f') {
1670 if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_EXTIF) {
1671 led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1673 } else if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_SHIFT) {
1674 led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1677 bcm47xx_gpio_outen(led->gpio, led->gpio);
1678 bcm47xx_gpio_control(led->gpio, 0);
1679 bcm47xx_gpio_out(led->gpio, ((p ^ (cmd[0] == '1')) ? led->gpio : 0));
1685 static const struct file_operations diag_led_fops = {
1686 .open = diag_led_open,
1688 .llseek = seq_lseek,
1689 .write = diag_led_write
1692 static void register_leds(struct led_t *l)
1694 struct proc_dir_entry *p;
1699 leds = proc_mkdir("led", diag);
1703 for(; l->name; l++) {
1704 if (l->gpio & gpiomask)
1707 switch (l->gpio & GPIO_TYPE_MASK) {
1708 case GPIO_TYPE_EXTIF:
1712 case GPIO_TYPE_SHIFT:
1713 mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1714 oe_mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1715 l->state = (l->polarity != NORMAL);
1718 case GPIO_TYPE_NORMAL:
1720 if (l->polarity != INPUT) oe_mask |= l->gpio;
1722 val |= (l->polarity == NORMAL)?0:l->gpio;
1726 if (l->polarity == INPUT) continue;
1728 p = proc_create_data(l->name, S_IRUSR, leds, &diag_led_fops, l);
1731 bcm47xx_gpio_outen(mask, oe_mask);
1732 bcm47xx_gpio_control(mask, 0);
1733 bcm47xx_gpio_out(mask, val);
1734 bcm47xx_gpio_intmask(mask, 0);
1737 static void unregister_leds(struct led_t *l)
1740 remove_proc_entry(l->name, leds);
1742 remove_proc_entry("led", diag);
1745 static int diag_model_show(struct seq_file *m, void *v)
1747 return seq_printf(m, "%s\n", platform.name);
1750 static int diag_model_open(struct inode *inode, struct file *file)
1752 return single_open(file, diag_model_show, PDE_DATA(inode));
1755 static const struct file_operations diag_model_fops = {
1756 .open = diag_model_open,
1761 static int diag_gpiomask_show(struct seq_file *m, void *v)
1763 return seq_printf(m, "0x%04x\n", gpiomask);
1766 static int diag_gpiomask_open(struct inode *inode, struct file *file)
1768 return single_open(file, diag_gpiomask_show, PDE_DATA(inode));
1771 static ssize_t diag_gpiomask_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1773 int err = kstrtouint_from_user(buf, count, 0, &gpiomask);
1777 if (platform.buttons) {
1778 unregister_buttons(platform.buttons);
1779 register_buttons(platform.buttons);
1782 if (platform.leds) {
1783 unregister_leds(platform.leds);
1784 register_leds(platform.leds);
1790 static const struct file_operations diag_gpiomask_fops = {
1791 .open = diag_gpiomask_open,
1793 .llseek = seq_lseek,
1794 .write = diag_gpiomask_write
1797 static int __init diag_init(void)
1799 static struct proc_dir_entry *p;
1800 static struct platform_t *detected;
1802 detected = platform_detect();
1804 printk(MODULE_NAME ": Router model not detected.\n");
1807 memcpy(&platform, detected, sizeof(struct platform_t));
1809 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1810 if (platform.platform_init != NULL) {
1811 platform.platform_init();
1814 if (!(diag = proc_mkdir("diag", NULL))) {
1815 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1819 p = proc_create("model", S_IRUSR, diag, &diag_model_fops);
1821 remove_proc_entry("diag", NULL);
1825 p = proc_create("gpiomask", S_IRUSR | S_IWUSR, diag, &diag_gpiomask_fops);
1827 remove_proc_entry("model", diag);
1828 remove_proc_entry("diag", NULL);
1832 if (platform.buttons)
1833 register_buttons(platform.buttons);
1836 register_leds(platform.leds);
1841 static void __exit diag_exit(void)
1843 del_timer(&led_timer);
1845 if (platform.buttons)
1846 unregister_buttons(platform.buttons);
1849 unregister_leds(platform.leds);
1851 remove_proc_entry("model", diag);
1852 remove_proc_entry("gpiomask", diag);
1853 remove_proc_entry("diag", NULL);
1856 module_init(diag_init);
1857 module_exit(diag_exit);
1859 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1860 MODULE_LICENSE("GPL");