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;
125 BUFFALO_UNKNOWN_4710,
170 /* Western Digital */
186 static void __init bcm4780_init(void) {
189 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
190 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
191 bcm47xx_gpio_outen(pin, pin);
192 bcm47xx_gpio_control(pin, 0);
193 bcm47xx_gpio_out(pin, pin);
195 /* Wait 5s, so the HDD can spin up */
196 set_current_state(TASK_INTERRUPTIBLE);
197 schedule_timeout(HZ * 5);
200 static void __init NetCenter_init(void) {
201 /* unset pin 6 (+12V) */
203 bcm47xx_gpio_outen(pin, pin);
204 bcm47xx_gpio_control(pin, 0);
205 bcm47xx_gpio_out(pin, pin);
206 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
208 bcm47xx_gpio_outen(pin, pin);
209 bcm47xx_gpio_control(pin, 0);
210 bcm47xx_gpio_out(pin, pin);
211 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
215 static void __init bcm57xx_init(void) {
218 /* FIXME: switch comes up, but port mappings/vlans not right */
219 bcm47xx_gpio_outen(pin, pin);
220 bcm47xx_gpio_control(pin, 0);
221 bcm47xx_gpio_out(pin, pin);
224 static struct platform_t __initdata platforms[] = {
227 .name = "Linksys WAP54G V1",
229 { .name = "reset", .gpio = 1 << 0 },
232 { .name = "diag", .gpio = 1 << 3 },
233 { .name = "wlan", .gpio = 1 << 4 },
237 .name = "Linksys WAP54G V2",
239 { .name = "reset", .gpio = 1 << 0 },
242 { .name = "wlan", .gpio = 1 << 5, .polarity = REVERSE },
243 /* GPIO 6 is b44 (eth0, LAN) PHY power */
247 .name = "Linksys WAP54G V3",
249 /* FIXME: verify this */
250 { .name = "reset", .gpio = 1 << 7 },
251 { .name = "ses", .gpio = 1 << 0 },
255 { .name = "ses", .gpio = 1 << 1 },
259 .name = "Linksys WRT54G V1.x",
261 { .name = "reset", .gpio = 1 << 6 },
264 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
265 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
269 .name = "Linksys WRT54G/GS/GL",
271 { .name = "reset", .gpio = 1 << 6 },
272 { .name = "ses", .gpio = 1 << 4 },
275 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
276 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
277 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
278 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
279 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
283 .name = "Linksys WRTSL54GS",
285 { .name = "reset", .gpio = 1 << 6 },
286 { .name = "ses", .gpio = 1 << 4 },
289 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
290 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
291 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
292 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
296 .name = "Linksys WRT54G3G",
298 { .name = "reset", .gpio = 1 << 6 },
299 { .name = "3g", .gpio = 1 << 4 },
302 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
303 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
304 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
305 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
306 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
310 .name = "Linksys WRT54G3GV2-VF",
312 { .name = "reset", .gpio = 1 << 6 },
313 { .name = "3g", .gpio = 1 << 5 },
316 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
317 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
318 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
322 .name = "Linksys WRT150N V1",
324 { .name = "reset", .gpio = 1 << 6 },
325 { .name = "ses", .gpio = 1 << 4 },
328 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
329 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE },
330 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
334 .name = "Linksys WRT150N V1.1",
336 { .name = "reset", .gpio = 1 << 6 },
337 { .name = "ses", .gpio = 1 << 4 },
340 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
341 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE },
342 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
346 .name = "Linksys WRT160N v1.x",
348 { .name = "reset", .gpio = 1 << 6 },
349 { .name = "ses", .gpio = 1 << 4 },
352 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
353 { .name = "ses_blue", .gpio = 1 << 5, .polarity = REVERSE },
354 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
358 .name = "Linksys WRT160N V3",
360 { .name = "reset", .gpio = 1 << 6 },
361 { .name = "ses", .gpio = 1 << 5 },
364 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
365 { .name = "ses_blue", .gpio = 1 << 4, .polarity = REVERSE },
366 { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE },
370 .name = "Linksys WRT300N V1.1",
372 { .name = "reset", .gpio = 1 << 6 }, // "Reset" on back panel
373 { .name = "ses", .gpio = 1 << 4 }, // "Reserved" on top panel
376 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // "Power"
377 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
378 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
380 .platform_init = bcm57xx_init,
383 .name = "Linksys WRT350N",
385 { .name = "reset", .gpio = 1 << 6 },
386 { .name = "ses", .gpio = 1 << 8 },
389 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
390 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
391 { .name = "ses_green", .gpio = 1 << 9, .polarity = REVERSE },
392 { .name = "usb_blink", .gpio = 1 << 10, .polarity = REVERSE },
393 { .name = "usb", .gpio = 1 << 11, .polarity = REVERSE },
395 .platform_init = bcm57xx_init,
398 .name = "Linksys WRT600N",
400 { .name = "reset", .gpio = 1 << 6 },
401 { .name = "ses", .gpio = 1 << 7 },
404 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
405 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
406 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
407 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
408 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
409 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
411 .platform_init = bcm57xx_init,
414 .name = "Linksys WRT600N V1.1",
416 { .name = "reset", .gpio = 1 << 6 },
417 { .name = "ses", .gpio = 1 << 7 },
420 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
421 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
422 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
423 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
424 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
425 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
427 .platform_init = bcm57xx_init,
430 .name = "Linksys WRT610N",
432 { .name = "reset", .gpio = 1 << 6 },
433 { .name = "ses", .gpio = 1 << 8 },
436 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // Power LED
437 { .name = "usb", .gpio = 1 << 0, .polarity = REVERSE }, // USB LED
438 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED amber
439 { .name = "ses_blue", .gpio = 1 << 9, .polarity = REVERSE }, // WiFi protected setup LED blue
443 .name = "Linksys WRT610N V2",
445 { .name = "reset", .gpio = 1 << 6 },
446 { .name = "ses", .gpio = 1 << 4 },
449 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL }, // Power LED
450 { .name = "usb", .gpio = 1 << 7, .polarity = NORMAL }, // USB LED
451 { .name = "ses_amber", .gpio = 1 << 0, .polarity = REVERSE }, // WiFi protected setup LED amber
452 { .name = "ses_blue", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED blue
453 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL }, // Wireless LED
456 /* same hardware as WRT160NV3 and Cisco Valet M10V1, but different board detection, combine? */
458 .name = "Linksys E1000 V1",
460 { .name = "reset", .gpio = 1 << 6 },
461 { .name = "wps", .gpio = 1 << 5 }, /* nvram get gpio5=wps_button */
464 /** turns on leds for all ethernet ports (wan too)
465 * this also disconnects some, or maybe all, ethernet ports
466 * 1: leds work normally
467 * 0: all lit all the time */
468 /* nvram get gpio3=robo_reset */
469 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
470 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
471 { .name = "ses_blue", .gpio = 1 << 4, .polarity = REVERSE }, /* nvram get gpio4=wps_led */
472 { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE }, /* nvram get gpio2=wps_status_led */
476 .name = "Linksys E1000 V2.1",
478 { .name = "reset", .gpio = 1 << 10 }, /* nvram get reset_gpio=10 */
479 { .name = "wps", .gpio = 1 << 9 }, /* nvram get gpio9=wps_button */
482 { .name = "power", .gpio = 1 << 6, .polarity = REVERSE },
483 { .name = "wlan", .gpio = 1 << 5, .polarity = NORMAL },
484 { .name = "ses_blue", .gpio = 1 << 8, .polarity = NORMAL }, /* nvram get gpio8=wps_led */
485 { .name = "ses_orange", .gpio = 1 << 7, .polarity = NORMAL }, /* nvram get gpio7=wps_status_led */
489 .name = "Linksys E3000 V1",
491 { .name = "reset", .gpio = 1 << 6 },
492 { .name = "ses", .gpio = 1 << 4 },
495 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL }, // Power LED
496 { .name = "usb", .gpio = 1 << 7, .polarity = NORMAL }, // USB LED
497 { .name = "ses_amber", .gpio = 1 << 0, .polarity = REVERSE }, // WiFi protected setup LED amber
498 { .name = "ses_blue", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED blue
499 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL }, // Wireless LED
503 .name = "Linksys E3200 V1",
505 /* { .name = "switch", .gpio = 1 << 4 },*/ /* nvram get gpio4=robo_reset */
506 { .name = "reset", .gpio = 1 << 5 }, /* nvram get reset_gpio=5 */
507 { .name = "wps", .gpio = 1 << 8 }, /* nvram get gpio8=wps_button */
508 /* { .name = "wombo", .gpio = 1 << 23 },*/ /* nvram get gpio23=wombo_reset - wireless on motherboard */
511 { .name = "power", .gpio = 1 << 3, .polarity = REVERSE }, /* Power LED */
515 .name = "Linksys E4200 V1",
517 { .name = "reset", .gpio = 1 << 6 },
518 { .name = "wps", .gpio = 1 << 4 },
521 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
526 .name = "ASUS WL-HDD",
528 { .name = "reset", .gpio = 1 << 6 },
531 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
532 { .name = "usb", .gpio = 1 << 2, .polarity = REVERSE },
536 .name = "ASUS WL-300g",
538 { .name = "reset", .gpio = 1 << 6 },
541 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
545 .name = "ASUS WL-320gE/WL-320gP",
547 { .name = "reset", .gpio = 1 << 6 },
550 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
551 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE },
552 { .name = "link", .gpio = 1 << 11, .polarity = REVERSE },
556 .name = "ASUS WL-330gE",
558 { .name = "reset", .gpio = 1 << 2 },
561 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
565 .name = "ASUS WL-500g",
567 { .name = "reset", .gpio = 1 << 6 },
570 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
574 .name = "ASUS WL-500g Deluxe",
576 { .name = "reset", .gpio = 1 << 6 },
579 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
583 .name = "ASUS WL-500g Premium",
585 { .name = "reset", .gpio = 1 << 0 },
586 { .name = "ses", .gpio = 1 << 4 },
589 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
593 .name = "ASUS WL-500g Premium V2",
595 { .name = "reset", .gpio = 1 << 2 },
596 { .name = "ses", .gpio = 1 << 3 },
599 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
600 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
604 .name = "ASUS WL-500W",
606 { .name = "reset", .gpio = 1 << 6 },
607 { .name = "ses", .gpio = 1 << 7 },
610 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
614 .name = "ASUS WL-520GC",
616 { .name = "reset", .gpio = 1 << 2 },
617 { .name = "ses", .gpio = 1 << 3 },
620 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
621 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
625 .name = "ASUS WL-520gU",
627 { .name = "reset", .gpio = 1 << 2 },
628 { .name = "ses", .gpio = 1 << 3 },
631 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
632 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
636 .name = "ASUS (unknown, BCM4702)",
638 { .name = "reset", .gpio = 1 << 6 },
641 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
645 .name = "ASUS WL-700gE",
647 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
648 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
649 { .name = "power", .gpio = 1 << 0 }, // on front
650 { .name = "copy", .gpio = 1 << 6 }, // on front
654 // GPIO that controls power led also enables/disables some essential functions
657 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
659 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
661 .platform_init = bcm4780_init,
664 .name = "ASUS RT-N12",
666 { .name = "wps", .gpio = 1 << 0 },
667 { .name = "reset", .gpio = 1 << 1 },
668 // this is the router/repeater/ap switch
669 { .name = "sw1", .gpio = 1 << 4 },
670 { .name = "sw2", .gpio = 1 << 5 },
671 { .name = "sw3", .gpio = 1 << 6 },
674 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE },
675 { .name = "wlan", .gpio = 1 << 7, .polarity = NORMAL },
676 // gpio3 forces WAN and LAN1-4 all on
677 //{ .name = "eth", .gpio = 1 << 3, .polarity = REVERSE },
681 .name = "ASUS RT-N16",
683 { .name = "reset", .gpio = 1 << 8 },
684 { .name = "ses", .gpio = 1 << 5 },
687 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
688 { .name = "wlan", .gpio = 1 << 7, .polarity = NORMAL },
692 .name = "ASUS RT-N66U",
694 { .name = "reset", .gpio = 1 << 9 },
695 { .name = "wps", .gpio = 1 << 4 },
698 { .name = "power", .gpio = 1 << 12, .polarity = REVERSE },
699 { .name = "usb", .gpio = 1 << 15, .polarity = REVERSE },
704 .name = "Buffalo WHR-G54S",
706 { .name = "reset", .gpio = 1 << 4 },
707 { .name = "bridge", .gpio = 1 << 5 },
708 { .name = "ses", .gpio = 1 << 0 },
711 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
712 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
713 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
714 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
715 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
719 .name = "Buffalo WBR2-G54",
722 { .name = "reset", .gpio = 1 << 7 },
725 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
729 .name = "Buffalo WHR-HP-G54",
731 { .name = "reset", .gpio = 1 << 4 },
732 { .name = "bridge", .gpio = 1 << 5 },
733 { .name = "ses", .gpio = 1 << 0 },
736 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
737 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
738 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
739 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
740 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
744 .name = "Buffalo WHR-G125",
746 { .name = "reset", .gpio = 1 << 4 },
747 { .name = "bridge", .gpio = 1 << 5 },
748 { .name = "ses", .gpio = 1 << 0 },
751 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
752 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
753 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
754 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
755 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
759 .name = "Buffalo WHR2-A54G54",
761 { .name = "reset", .gpio = 1 << 4 },
764 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
768 .name = "Buffalo WLA2-G54L",
771 { .name = "reset", .gpio = 1 << 7 },
774 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
778 .name = "Buffalo WZR-G300N",
780 { .name = "reset", .gpio = 1 << 4 },
783 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
784 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
785 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
789 .name = "Buffalo WZR-RS-G54",
791 { .name = "ses", .gpio = 1 << 0 },
792 { .name = "reset", .gpio = 1 << 4 },
795 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
796 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
797 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
801 .name = "Buffalo WZR-RS-G54HP",
803 { .name = "ses", .gpio = 1 << 0 },
804 { .name = "reset", .gpio = 1 << 4 },
807 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
808 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
809 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
812 [BUFFALO_UNKNOWN_4710] = {
813 .name = "Buffalo (unknown, BCM4710)",
815 { .name = "reset", .gpio = 1 << 4 },
818 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
823 .name = "Siemens SE505 V1",
825 /* No usable buttons */
828 // { .name = "power", .gpio = 1 << 0 .polarity = REVERSE }, // Usable when retrofitting D26 (?)
829 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE }, // actual name WWW
830 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
834 .name = "Siemens SE505 V2",
836 /* No usable buttons */
839 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
840 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE }, // actual name WWW
841 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
846 .name = "U.S. Robotics USR5461",
848 /* No usable buttons */
851 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
852 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
857 .name = "Dell TrueMobile 2300",
859 { .name = "reset", .gpio = 1 << 0 },
862 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
863 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
867 .name = "Dell TrueMobile 2300 v2",
869 { .name = "reset", .gpio = 1 << 0 },
872 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
873 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
878 .name = "Motorola WE800G",
880 { .name = "reset", .gpio = 1 << 0 },
883 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
884 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
885 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
889 .name = "Motorola WR850G V1",
891 { .name = "reset", .gpio = 1 << 0 },
894 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
895 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
896 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
897 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
898 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
902 .name = "Motorola WR850G V2/V3",
904 { .name = "reset", .gpio = 1 << 5 },
907 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
908 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
909 { .name = "wan", .gpio = 1 << 6, .polarity = INPUT },
910 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
914 .name = "Motorola WR850GP",
916 { .name = "reset", .gpio = 1 << 5 },
919 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
920 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
921 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
922 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
928 .name = "Belkin (unknown)",
929 /* FIXME: verify & add detection */
931 { .name = "reset", .gpio = 1 << 7 },
934 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
935 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
936 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
940 .name = "Belkin PlayMax F7D4301",
942 { .name = "reset", .gpio = 1 << 6 },
943 { .name = "wps", .gpio = 1 << 8 },
946 { .name = "power", .gpio = 1 << 11, .polarity = REVERSE },
947 { .name = "wlan", .gpio = 1 << 13, .polarity = REVERSE },
948 { .name = "led0", .gpio = 1 << 14, .polarity = REVERSE },
949 { .name = "led1", .gpio = 1 << 15, .polarity = REVERSE },
954 .name = "Netgear WGT634U",
956 { .name = "reset", .gpio = 1 << 2 },
959 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
964 .name = "Netgear WNR834B V1",
965 .buttons = { /* TODO: add reset button and confirm LEDs - GPIO from dd-wrt */ },
967 { .name = "power", .gpio = 1 << 4, .polarity = REVERSE },
968 { .name = "diag", .gpio = 1 << 5, .polarity = REVERSE },
969 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
974 .name = "Netgear WNR834B V2",
976 { .name = "reset", .gpio = 1 << 6 },
979 { .name = "power", .gpio = 1 << 2, .polarity = NORMAL },
980 { .name = "diag", .gpio = 1 << 3, .polarity = NORMAL },
981 { .name = "connected", .gpio = 1 << 7, .polarity = NORMAL },
985 .name = "Netgear WNDR3400 V1",
987 /* nvram get gpio5=robo_reset */
988 { .name = "reset", .gpio = 1 << 4 },
989 { .name = "wps", .gpio = 1 << 6 },
990 { .name = "wlan", .gpio = 1 << 8 },
993 { .name = "wlan", .gpio = 0 << 0, .polarity = NORMAL },
994 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
995 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
996 { .name = "diag", .gpio = 1 << 7, .polarity = NORMAL },
997 { .name = "usb", .gpio = 1 << 2, .polarity = REVERSE },
1001 .name = "Netgear WNDR3700 V3",
1003 /* { .name = "usb", .gpio = 1 << 1 }, */ /* this button doesn't seem to exist. */
1004 { .name = "wlan", .gpio = 1 << 2 },
1005 { .name = "reset", .gpio = 1 << 3 },
1006 { .name = "wps", .gpio = 1 << 4 },
1007 /* { .name = "switch", .gpio = 1 << 5 },*/ /* nvram get gpio5=robo_reset */
1010 { .name = "power", .gpio = (1 << 0) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1011 { .name = "diag", .gpio = (1 << 1) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1012 /* WAN LED doesn't respond to GPIO control. The switch is probably driving it.
1013 * { .name = "wan", .gpio = (1 << 2) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1015 { .name = "wlan2g", .gpio = (1 << 3) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1016 { .name = "wlan5g", .gpio = (1 << 4) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1017 { .name = "usb", .gpio = (1 << 5) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1018 { .name = "wps", .gpio = (1 << 6) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1019 { .name = "wlan", .gpio = (1 << 7) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1024 .name = "Trendware TEW411BRP+",
1026 { /* No usable buttons */ },
1029 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
1030 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
1031 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
1036 .name = "SimpleTech SimpleShare NAS",
1038 { .name = "reset", .gpio = 1 << 0 }, // Power button on back, named reset to enable failsafe.
1041 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
1043 .platform_init = bcm4780_init,
1047 .name = "D-Link DIR-130",
1049 { .name = "reset", .gpio = 1 << 3},
1050 { .name = "reserved", .gpio = 1 << 7},
1053 { .name = "diag", .gpio = 1 << 0},
1054 { .name = "blue", .gpio = 1 << 6},
1058 .name = "D-Link DIR-320",
1060 { .name = "reserved", .gpio = 1 << 6},
1061 { .name = "reset", .gpio = 1 << 7},
1064 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
1065 { .name = "diag", .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
1066 { .name = "red", .gpio = 1 << 3, .polarity = REVERSE },
1067 { .name = "blue", .gpio = 1 << 4, .polarity = REVERSE },
1068 { .name = "usb", .gpio = 1 << 5, .polarity = NORMAL },
1072 .name = "D-Link DIR-330",
1074 { .name = "reset", .gpio = 1 << 3},
1075 { .name = "reserved", .gpio = 1 << 7},
1078 { .name = "diag", .gpio = 1 << 0},
1079 { .name = "usb", .gpio = 1 << 4},
1080 { .name = "blue", .gpio = 1 << 6},
1084 .name = "D-Link DWL-3150",
1086 { .name = "reset", .gpio = 1 << 7},
1089 { .name = "diag", .gpio = 1 << 2},
1090 { .name = "status", .gpio = 1 << 1},
1095 .name = "Sitecom WL-105b",
1097 { .name = "reset", .gpio = 1 << 10},
1100 { .name = "wlan", .gpio = 1 << 4},
1101 { .name = "power", .gpio = 1 << 3},
1104 /* Western Digital Net Center */
1106 .name = "Western Digital NetCenter",
1108 { .name = "power", .gpio = 1 << 0},
1109 { .name = "reset", .gpio = 1 << 7},
1111 .platform_init = NetCenter_init,
1113 /* Askey (and clones) */
1115 .name = "Askey RT210W",
1117 /* Power button is hard-wired to hardware reset */
1118 /* but is also connected to GPIO 7 (probably for bootloader recovery) */
1119 { .name = "power", .gpio = 1 << 7},
1122 /* These were verified and named based on Belkin F5D4230-4 v1112 */
1123 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
1124 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
1125 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
1129 .name = "OvisLink WL-1600GL",
1131 { .name = "reset", .gpio = 1 << 3 },
1132 { .name = "ses", .gpio = 1 << 4 },
1135 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
1136 { .name = "wps", .gpio = 1 << 2, .polarity = REVERSE },
1137 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
1138 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
1143 .name = "Microsoft MN-700",
1145 { .name = "reset", .gpio = 1 << 7 },
1148 { .name = "power", .gpio = 1 << 6, .polarity = NORMAL },
1153 .name = "Edimax PS-1208MFG",
1155 { .name = "reset", .gpio = 1 << 4 },
1158 { .name = "status", .gpio = 1 << 1, .polarity = NORMAL },
1159 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
1164 static struct platform_t __init *platform_detect_legacy(void)
1166 char *boardnum, *boardtype;
1168 if (strcmp(getvar("nvram_type"), "cfe") == 0)
1169 return &platforms[WGT634U];
1172 /* no easy model number, attempt to guess */
1173 boardnum = getvar("boardnum");
1174 boardtype = getvar("boardtype");
1176 if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N v1/V1.1 */
1177 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
1178 return &platforms[WRT600NV11];
1180 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
1181 return &platforms[WRT600N];
1184 if (startswith(getvar("pmon_ver"), "CFE")) {
1185 /* CFE based - newer hardware */
1186 if (!strcmp(boardnum, "42")) { /* Linksys */
1187 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
1188 return &platforms[WRT350N];
1190 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
1191 return &platforms[WRT54G3G];
1193 /* default to WRT54G if no boot_hw_model is set */
1194 if (nvram_get("boot_hw_model") == NULL)
1195 return &platforms[WRT54G];
1197 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1198 return &platforms[WAP54GV2];
1200 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1201 return &platforms[WL1600GL];
1204 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1205 if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1206 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1209 if (!strcmp(boardnum, "10496"))
1210 return &platforms[USR5461];
1212 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1213 return &platforms[SE505V2];
1215 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1216 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1217 return &platforms[DIR320];
1219 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1220 return &platforms[WDNetCenter];
1223 if (!strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B V1 and V2*/
1224 if (!strcmp(boardnum, "08") || !strcmp(boardnum, "8"))
1225 return &platforms[WNR834BV1];
1226 if (!strcmp(boardnum, "01") || !strcmp(boardnum, "1"))
1227 return &platforms[WNR834BV2];
1230 } else { /* PMON based - old stuff */
1231 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1232 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1233 return &platforms[WR850GV1];
1235 if (startswith(boardtype, "bcm94710dev")) {
1236 if (!strcmp(boardnum, "42"))
1237 return &platforms[WRT54GV1];
1238 if (simple_strtoul(boardnum, NULL, 0) == 2)
1239 return &platforms[WAP54GV1];
1241 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1242 if (startswith(getvar("hardware_version"), "WL500-")) {
1243 if (!strcmp(getvar("boardnum"), "mn700"))
1244 return &platforms[MN700];
1246 return &platforms[WL500G];
1248 /* Sitecom WL-105b */
1249 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1250 return &platforms[WL105B];
1252 /* unknown asus stuff, probably bcm4702 */
1253 if (startswith(boardnum, "asusX"))
1254 return &platforms[ASUS_4702];
1256 /* bcm4702 based Askey RT210W clones, Including:
1257 * Askey RT210W (duh?)
1259 * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1261 if (!strcmp(boardtype,"bcm94710r4")
1262 && !strcmp(boardnum ,"100")
1263 && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1265 return &platforms[RT210W];
1269 if (boardnum || !strcmp(boardnum, "00")) {/* probably buffalo */
1270 if (startswith(boardtype, "bcm94710ap"))
1271 return &platforms[BUFFALO_UNKNOWN_4710];
1274 if (startswith(getvar("CFEver"), "MotoWRv2") ||
1275 startswith(getvar("CFEver"), "MotoWRv3") ||
1276 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1278 return &platforms[WR850GV2V3];
1281 if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
1282 return &platforms[TEW411BRPP];
1285 if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1286 return &platforms[STI_NAS];
1288 if (!strcmp(boardnum, "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1289 return &platforms[DWL3150];
1291 if (!strcmp(boardnum, "01") && !strcmp(boardtype, "0x048e") && /* Edimax PS1208MFG */
1292 !strcmp(getvar("status_gpio"), "1")) /* gpio based detection */
1293 return &platforms[PS1208MFG];
1299 static struct platform_t __init *platform_detect(void)
1301 enum bcm47xx_board board;
1302 const char *board_name;
1305 board = bcm47xx_board_get();
1306 board_name = bcm47xx_board_get_name();
1307 if (board != BCM47XX_BOARD_UNKNOWN && board != BCM47XX_BOARD_NON)
1308 printk(MODULE_NAME ": kernel found a \"%s\"\n", board_name);
1311 case BCM47XX_BOARD_ASUS_RTN12:
1312 return &platforms[RTN12];
1313 case BCM47XX_BOARD_ASUS_RTN16:
1314 return &platforms[RTN16];
1315 case BCM47XX_BOARD_ASUS_RTN66U:
1316 return &platforms[RTN66U];
1317 case BCM47XX_BOARD_ASUS_WL300G:
1318 return &platforms[WL300G];
1319 case BCM47XX_BOARD_ASUS_WL320GE:
1320 return &platforms[WL320GE];
1321 case BCM47XX_BOARD_ASUS_WL330GE:
1322 return &platforms[WL330GE];
1323 case BCM47XX_BOARD_ASUS_WL500GD:
1324 return &platforms[WL500GD];
1325 case BCM47XX_BOARD_ASUS_WL500GPV1:
1326 return &platforms[WL500GP];
1327 case BCM47XX_BOARD_ASUS_WL500GPV2:
1328 return &platforms[WL500GPV2];
1329 case BCM47XX_BOARD_ASUS_WL500W:
1330 return &platforms[WL500W];
1331 case BCM47XX_BOARD_ASUS_WL520GC:
1332 return &platforms[WL520GC];
1333 case BCM47XX_BOARD_ASUS_WL520GU:
1334 return &platforms[WL520GU];
1335 case BCM47XX_BOARD_ASUS_WL700GE:
1336 return &platforms[WL700GE];
1337 case BCM47XX_BOARD_ASUS_WLHDD:
1338 return &platforms[WLHDD];
1339 case BCM47XX_BOARD_BELKIN_F7D4301:
1340 return &platforms[BELKIN_F7D4301];
1341 case BCM47XX_BOARD_BUFFALO_WBR2_G54:
1342 return &platforms[WBR2_G54];
1343 case BCM47XX_BOARD_BUFFALO_WHR2_A54G54:
1344 return &platforms[WHR2_A54G54];
1345 case BCM47XX_BOARD_BUFFALO_WHR_G125:
1346 return &platforms[WHR_G125];
1347 case BCM47XX_BOARD_BUFFALO_WHR_G54S:
1348 return &platforms[WHR_G54S];
1349 case BCM47XX_BOARD_BUFFALO_WHR_HP_G54:
1350 return &platforms[WHR_HP_G54];
1351 case BCM47XX_BOARD_BUFFALO_WLA2_G54L:
1352 return &platforms[WLA2_G54L];
1353 case BCM47XX_BOARD_BUFFALO_WZR_G300N:
1354 return &platforms[WZR_G300N];
1355 case BCM47XX_BOARD_BUFFALO_WZR_RS_G54:
1356 return &platforms[WZR_RS_G54];
1357 case BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP:
1358 return &platforms[WZR_RS_G54HP];
1359 case BCM47XX_BOARD_DELL_TM2300:
1360 return &platforms[TM2300];
1361 case BCM47XX_BOARD_DLINK_DIR130:
1362 return &platforms[DIR130];
1363 case BCM47XX_BOARD_DLINK_DIR330:
1364 return &platforms[DIR330];
1365 case BCM47XX_BOARD_LINKSYS_E1000V1:
1366 return &platforms[E1000V1];
1367 case BCM47XX_BOARD_LINKSYS_E1000V21:
1368 return &platforms[E1000V21];
1369 case BCM47XX_BOARD_LINKSYS_E3000V1:
1370 return &platforms[E3000V1];
1371 case BCM47XX_BOARD_LINKSYS_E3200V1:
1372 return &platforms[E3200V1];
1373 case BCM47XX_BOARD_LINKSYS_E4200V1:
1374 return &platforms[E4200V1];
1375 case BCM47XX_BOARD_LINKSYS_WRT150NV1:
1376 return &platforms[WRT150NV1];
1377 case BCM47XX_BOARD_LINKSYS_WRT150NV11:
1378 return &platforms[WRT150NV11];
1379 case BCM47XX_BOARD_LINKSYS_WRT160NV1:
1380 return &platforms[WRT160NV1];
1381 case BCM47XX_BOARD_LINKSYS_WRT160NV3:
1382 return &platforms[WRT160NV3];
1383 case BCM47XX_BOARD_LINKSYS_WRT300NV11:
1384 return &platforms[WRT300NV11];
1385 case BCM47XX_BOARD_LINKSYS_WRT54G3GV2:
1386 return &platforms[WRT54G3GV2_VF];
1387 case BCM47XX_BOARD_LINKSYS_WRT610NV1:
1388 return &platforms[WRT610N];
1389 case BCM47XX_BOARD_LINKSYS_WRT610NV2:
1390 return &platforms[WRT610NV2];
1391 case BCM47XX_BOARD_LINKSYS_WRTSL54GS:
1392 return &platforms[WRTSL54GS];
1393 case BCM47XX_BOARD_MOTOROLA_WE800G:
1394 return &platforms[WE800G];
1395 case BCM47XX_BOARD_MOTOROLA_WR850GP:
1396 return &platforms[WR850GP];
1397 case BCM47XX_BOARD_MOTOROLA_WR850GV2V3:
1398 return &platforms[WR850GV2V3];
1399 case BCM47XX_BOARD_NETGEAR_WNDR3400V1:
1400 return &platforms[WNDR3400V1];
1401 case BCM47XX_BOARD_NETGEAR_WNDR3700V3:
1402 return &platforms[WNDR3700V3];
1403 case BCM47XX_BOARD_UNKNOWN:
1404 case BCM47XX_BOARD_NON:
1405 printk(MODULE_NAME ": unknown board found, try legacy detect\n");
1406 printk(MODULE_NAME ": please open a ticket at https://dev.openwrt.org and attach the complete nvram\n");
1407 return platform_detect_legacy();
1409 printk(MODULE_NAME ": board was detected as \"%s\", but not gpio configuration available\n", board_name);
1410 printk(MODULE_NAME ": now trying legacy detect\n");
1411 return platform_detect_legacy();
1415 static inline void ssb_maskset32(struct ssb_device *dev,
1416 u16 offset, u32 mask, u32 set)
1418 ssb_write32(dev, offset, (ssb_read32(dev, offset) & mask) | set);
1421 static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
1426 irq = gpio_to_irq(0);
1428 pr_err("no irq for gpio available\n");
1433 err = request_irq(irq, handler, IRQF_SHARED, "gpio", handler);
1435 pr_err("can not reqeust irq\n");
1439 free_irq(irq, handler);
1442 switch (bcm47xx_bus_type) {
1443 #ifdef CONFIG_BCM47XX_SSB
1444 case BCM47XX_BUS_TYPE_SSB:
1445 if (bcm47xx_bus.ssb.chipco.dev)
1446 ssb_maskset32(bcm47xx_bus.ssb.chipco.dev, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
1449 #ifdef CONFIG_BCM47XX_BCMA
1450 case BCM47XX_BUS_TYPE_BCMA:
1451 if (bcm47xx_bus.bcma.bus.drv_cc.core)
1452 bcma_maskset32(bcm47xx_bus.bcma.bus.drv_cc.core, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO, (enabled ? BCMA_CC_IRQ_GPIO : 0));
1458 static void hotplug_button(struct work_struct *work)
1460 struct event_t *event = container_of(work, struct event_t, wq);
1463 event->skb = alloc_skb(2048, GFP_KERNEL);
1465 s = skb_put(event->skb, strlen(event->action) + 2);
1466 sprintf(s, "%s@", event->action);
1469 NETLINK_CB(event->skb).dst_group = 1;
1470 broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1475 static irqreturn_t button_handler(int irq, void *dev_id)
1480 in = bcm47xx_gpio_in(~0) & platform.button_mask;
1481 bcm47xx_gpio_polarity(platform.button_mask, in);
1482 changed = platform.button_polarity ^ in;
1483 platform.button_polarity = in;
1485 changed &= ~bcm47xx_gpio_outen(0, 0);
1487 for (b = platform.buttons; b->name; b++) {
1488 struct event_t *event;
1490 if (!(b->gpio & changed)) continue;
1494 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1495 event->seen = (jiffies - b->seen)/HZ;
1496 event->name = b->name;
1497 event->action = b->pressed ? "pressed" : "released";
1498 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1499 schedule_work(&event->wq);
1507 static void register_buttons(struct button_t *b)
1509 for (; b->name; b++)
1510 platform.button_mask |= b->gpio;
1512 platform.button_mask &= ~gpiomask;
1514 bcm47xx_gpio_outen(platform.button_mask, 0);
1515 bcm47xx_gpio_control(platform.button_mask, 0);
1516 platform.button_polarity = bcm47xx_gpio_in(~0) & platform.button_mask;
1517 bcm47xx_gpio_polarity(platform.button_mask, platform.button_polarity);
1518 bcm47xx_gpio_intmask(platform.button_mask, platform.button_mask);
1520 gpio_set_irqenable(1, button_handler);
1523 static void unregister_buttons(struct button_t *b)
1525 bcm47xx_gpio_intmask(platform.button_mask, 0);
1527 gpio_set_irqenable(0, button_handler);
1531 static void add_msg(struct event_t *event, char *msg, int argv)
1538 s = skb_put(event->skb, strlen(msg) + 1);
1542 static int fill_event (struct event_t *event)
1544 static char buf[128];
1546 add_msg(event, "HOME=/", 0);
1547 add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1548 add_msg(event, "SUBSYSTEM=button", 0);
1549 snprintf(buf, 128, "ACTION=%s", event->action);
1550 add_msg(event, buf, 0);
1551 snprintf(buf, 128, "BUTTON=%s", event->name);
1552 add_msg(event, buf, 0);
1553 snprintf(buf, 128, "SEEN=%ld", event->seen);
1554 add_msg(event, buf, 0);
1555 snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1556 add_msg(event, buf, 0);
1562 * This should be extended to allow the platform to specify the pins and width
1563 * of the shift register. They're hardcoded for now because only the WNDR3700v3
1566 static void shiftreg_output(unsigned int val)
1570 bcm47xx_gpio_out(SHIFTREG_DATA, SHIFTREG_DATA); /* init off, pull high */
1571 bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* init reset */
1574 for(mask = 1 << (SHIFTREG_MAX_BITS-1); mask; mask >>= 1)
1576 bcm47xx_gpio_out(SHIFTREG_DATA, (val & mask) ? SHIFTREG_DATA : 0);
1577 bcm47xx_gpio_out(SHIFTREG_CLK, SHIFTREG_CLK); /* pull high to trigger */
1578 bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* reset to low */
1582 static void set_led_shift(struct led_t *led)
1584 static u32 shiftreg = 0;
1586 u32 pin = (led->gpio & ~GPIO_TYPE_MASK);
1594 /* Clock the bits out. */
1595 if (shiftreg != old) {
1596 shiftreg_output(shiftreg);
1600 static void set_led_extif(struct led_t *led)
1602 volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (led->gpio & ~GPIO_TYPE_MASK);
1610 static void led_flash(unsigned long dummy) {
1615 for (l = platform.leds; l->name; l++) {
1616 if (!l->flash) continue;
1617 switch (l->gpio & GPIO_TYPE_MASK) {
1618 case GPIO_TYPE_EXTIF:
1620 l->state = !l->state;
1623 case GPIO_TYPE_SHIFT:
1625 l->state = !l->state;
1628 case GPIO_TYPE_NORMAL:
1637 u32 val = ~bcm47xx_gpio_in(~0);
1639 bcm47xx_gpio_outen(mask, mask);
1640 bcm47xx_gpio_control(mask, 0);
1641 bcm47xx_gpio_out(mask, val);
1643 if (mask || extif_blink) {
1644 mod_timer(&led_timer, jiffies + FLASH_TIME);
1648 static int diag_led_show(struct seq_file *m, void *v)
1650 struct led_t * led = m->private;
1652 u8 p = (led->polarity == NORMAL ? 0 : 1);
1654 return seq_printf(m, "f\n");
1655 } else if ((led->gpio & GPIO_TYPE_MASK) != GPIO_TYPE_NORMAL) {
1656 return seq_printf(m, "%d\n", ((led->state ^ p) ? 1 : 0));
1658 u32 in = (bcm47xx_gpio_in(~0) & led->gpio ? 1 : 0);
1659 return seq_printf(m, "%d\n", ((in ^ p) ? 1 : 0));
1663 static int diag_led_open(struct inode *inode, struct file *file)
1665 return single_open(file, diag_led_show, PDE_DATA(inode));
1668 static ssize_t diag_led_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1670 struct led_t *led = PDE_DATA(file_inode(file));
1675 len = min(count, sizeof(cmd) - 1);
1676 if (copy_from_user(cmd, buf, len))
1681 p = (led->polarity == NORMAL ? 0 : 1);
1682 if (cmd[0] == 'f') {
1687 if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_EXTIF) {
1688 led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1690 } else if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_SHIFT) {
1691 led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1694 bcm47xx_gpio_outen(led->gpio, led->gpio);
1695 bcm47xx_gpio_control(led->gpio, 0);
1696 bcm47xx_gpio_out(led->gpio, ((p ^ (cmd[0] == '1')) ? led->gpio : 0));
1702 static const struct file_operations diag_led_fops = {
1703 .open = diag_led_open,
1705 .llseek = seq_lseek,
1706 .write = diag_led_write
1709 static void register_leds(struct led_t *l)
1711 struct proc_dir_entry *p;
1716 leds = proc_mkdir("led", diag);
1720 for(; l->name; l++) {
1721 if (l->gpio & gpiomask)
1724 switch (l->gpio & GPIO_TYPE_MASK) {
1725 case GPIO_TYPE_EXTIF:
1729 case GPIO_TYPE_SHIFT:
1730 mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1731 oe_mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1732 l->state = (l->polarity != NORMAL);
1735 case GPIO_TYPE_NORMAL:
1737 if (l->polarity != INPUT) oe_mask |= l->gpio;
1739 val |= (l->polarity == NORMAL)?0:l->gpio;
1743 if (l->polarity == INPUT) continue;
1745 p = proc_create_data(l->name, S_IRUSR, leds, &diag_led_fops, l);
1748 bcm47xx_gpio_outen(mask, oe_mask);
1749 bcm47xx_gpio_control(mask, 0);
1750 bcm47xx_gpio_out(mask, val);
1751 bcm47xx_gpio_intmask(mask, 0);
1754 static void unregister_leds(struct led_t *l)
1757 remove_proc_entry(l->name, leds);
1759 remove_proc_entry("led", diag);
1762 static int diag_model_show(struct seq_file *m, void *v)
1764 return seq_printf(m, "%s\n", platform.name);
1767 static int diag_model_open(struct inode *inode, struct file *file)
1769 return single_open(file, diag_model_show, PDE_DATA(inode));
1772 static const struct file_operations diag_model_fops = {
1773 .open = diag_model_open,
1778 static int diag_gpiomask_show(struct seq_file *m, void *v)
1780 return seq_printf(m, "0x%04x\n", gpiomask);
1783 static int diag_gpiomask_open(struct inode *inode, struct file *file)
1785 return single_open(file, diag_gpiomask_show, PDE_DATA(inode));
1788 static ssize_t diag_gpiomask_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1790 int err = kstrtouint_from_user(buf, count, 0, &gpiomask);
1794 if (platform.buttons) {
1795 unregister_buttons(platform.buttons);
1796 register_buttons(platform.buttons);
1799 if (platform.leds) {
1800 unregister_leds(platform.leds);
1801 register_leds(platform.leds);
1807 static const struct file_operations diag_gpiomask_fops = {
1808 .open = diag_gpiomask_open,
1810 .llseek = seq_lseek,
1811 .write = diag_gpiomask_write
1814 static int __init diag_init(void)
1816 static struct proc_dir_entry *p;
1817 static struct platform_t *detected;
1819 detected = platform_detect();
1821 printk(MODULE_NAME ": Router model not detected.\n");
1824 memcpy(&platform, detected, sizeof(struct platform_t));
1826 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1827 if (platform.platform_init != NULL) {
1828 platform.platform_init();
1831 if (!(diag = proc_mkdir("diag", NULL))) {
1832 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1836 p = proc_create("model", S_IRUSR, diag, &diag_model_fops);
1838 remove_proc_entry("diag", NULL);
1842 p = proc_create("gpiomask", S_IRUSR | S_IWUSR, diag, &diag_gpiomask_fops);
1844 remove_proc_entry("model", diag);
1845 remove_proc_entry("diag", NULL);
1849 if (platform.buttons)
1850 register_buttons(platform.buttons);
1853 register_leds(platform.leds);
1858 static void __exit diag_exit(void)
1860 del_timer(&led_timer);
1862 if (platform.buttons)
1863 unregister_buttons(platform.buttons);
1866 unregister_leds(platform.leds);
1868 remove_proc_entry("model", diag);
1869 remove_proc_entry("gpiomask", diag);
1870 remove_proc_entry("diag", NULL);
1873 module_init(diag_init);
1874 module_exit(diag_exit);
1876 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1877 MODULE_LICENSE("GPL");