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;
122 BUFFALO_UNKNOWN_4710,
167 /* Western Digital */
183 static void __init bcm4780_init(void) {
186 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
187 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
188 bcm47xx_gpio_outen(pin, pin);
189 bcm47xx_gpio_control(pin, 0);
190 bcm47xx_gpio_out(pin, pin);
192 /* Wait 5s, so the HDD can spin up */
193 set_current_state(TASK_INTERRUPTIBLE);
194 schedule_timeout(HZ * 5);
197 static void __init NetCenter_init(void) {
198 /* unset pin 6 (+12V) */
200 bcm47xx_gpio_outen(pin, pin);
201 bcm47xx_gpio_control(pin, 0);
202 bcm47xx_gpio_out(pin, pin);
203 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
205 bcm47xx_gpio_outen(pin, pin);
206 bcm47xx_gpio_control(pin, 0);
207 bcm47xx_gpio_out(pin, pin);
208 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
212 static void __init bcm57xx_init(void) {
215 /* FIXME: switch comes up, but port mappings/vlans not right */
216 bcm47xx_gpio_outen(pin, pin);
217 bcm47xx_gpio_control(pin, 0);
218 bcm47xx_gpio_out(pin, pin);
221 static struct platform_t __initdata platforms[] = {
224 .name = "Linksys WAP54G V1",
226 { .name = "reset", .gpio = 1 << 0 },
229 { .name = "diag", .gpio = 1 << 3 },
230 { .name = "wlan", .gpio = 1 << 4 },
234 .name = "Linksys WAP54G V2",
236 { .name = "reset", .gpio = 1 << 0 },
239 { .name = "wlan", .gpio = 1 << 5, .polarity = REVERSE },
240 /* GPIO 6 is b44 (eth0, LAN) PHY power */
244 .name = "Linksys WAP54G V3",
246 /* FIXME: verify this */
247 { .name = "reset", .gpio = 1 << 7 },
248 { .name = "ses", .gpio = 1 << 0 },
252 { .name = "ses", .gpio = 1 << 1 },
256 .name = "Linksys WRT54G V1.x",
258 { .name = "reset", .gpio = 1 << 6 },
261 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
262 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
266 .name = "Linksys WRT54G/GS/GL",
268 { .name = "reset", .gpio = 1 << 6 },
269 { .name = "ses", .gpio = 1 << 4 },
272 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
273 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
274 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
275 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
276 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
280 .name = "Linksys WRTSL54GS",
282 { .name = "reset", .gpio = 1 << 6 },
283 { .name = "ses", .gpio = 1 << 4 },
286 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
287 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
288 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
289 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
293 .name = "Linksys WRT54G3G",
295 { .name = "reset", .gpio = 1 << 6 },
296 { .name = "3g", .gpio = 1 << 4 },
299 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
300 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
301 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
302 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
303 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
307 .name = "Linksys WRT54G3GV2-VF",
309 { .name = "reset", .gpio = 1 << 6 },
310 { .name = "3g", .gpio = 1 << 5 },
313 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
314 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
315 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
319 .name = "Linksys WRT150N V1",
321 { .name = "reset", .gpio = 1 << 6 },
322 { .name = "ses", .gpio = 1 << 4 },
325 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
326 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE },
327 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
331 .name = "Linksys WRT150N V1.1",
333 { .name = "reset", .gpio = 1 << 6 },
334 { .name = "ses", .gpio = 1 << 4 },
337 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
338 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE },
339 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
343 .name = "Linksys WRT160N v1.x",
345 { .name = "reset", .gpio = 1 << 6 },
346 { .name = "ses", .gpio = 1 << 4 },
349 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
350 { .name = "ses_blue", .gpio = 1 << 5, .polarity = REVERSE },
351 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
355 .name = "Linksys WRT160N V3",
357 { .name = "reset", .gpio = 1 << 6 },
358 { .name = "ses", .gpio = 1 << 5 },
361 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
362 { .name = "ses_blue", .gpio = 1 << 4, .polarity = REVERSE },
363 { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE },
367 .name = "Linksys WRT300N V1.1",
369 { .name = "reset", .gpio = 1 << 6 }, // "Reset" on back panel
370 { .name = "ses", .gpio = 1 << 4 }, // "Reserved" on top panel
373 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // "Power"
374 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
375 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
377 .platform_init = bcm57xx_init,
380 .name = "Linksys WRT350N",
382 { .name = "reset", .gpio = 1 << 6 },
383 { .name = "ses", .gpio = 1 << 8 },
386 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
387 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
388 { .name = "ses_green", .gpio = 1 << 9, .polarity = REVERSE },
389 { .name = "usb_blink", .gpio = 1 << 10, .polarity = REVERSE },
390 { .name = "usb", .gpio = 1 << 11, .polarity = REVERSE },
392 .platform_init = bcm57xx_init,
395 .name = "Linksys WRT600N",
397 { .name = "reset", .gpio = 1 << 6 },
398 { .name = "ses", .gpio = 1 << 7 },
401 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
402 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
403 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
404 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
405 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
406 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
408 .platform_init = bcm57xx_init,
411 .name = "Linksys WRT600N V1.1",
413 { .name = "reset", .gpio = 1 << 6 },
414 { .name = "ses", .gpio = 1 << 7 },
417 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
418 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
419 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
420 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
421 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
422 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
424 .platform_init = bcm57xx_init,
427 .name = "Linksys WRT610N",
429 { .name = "reset", .gpio = 1 << 6 },
430 { .name = "ses", .gpio = 1 << 8 },
433 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // Power LED
434 { .name = "usb", .gpio = 1 << 0, .polarity = REVERSE }, // USB LED
435 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED amber
436 { .name = "ses_blue", .gpio = 1 << 9, .polarity = REVERSE }, // WiFi protected setup LED blue
440 .name = "Linksys WRT610N V2",
442 { .name = "reset", .gpio = 1 << 6 },
443 { .name = "ses", .gpio = 1 << 4 },
446 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL }, // Power LED
447 { .name = "usb", .gpio = 1 << 7, .polarity = NORMAL }, // USB LED
448 { .name = "ses_amber", .gpio = 1 << 0, .polarity = REVERSE }, // WiFi protected setup LED amber
449 { .name = "ses_blue", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED blue
450 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL }, // Wireless LED
453 /* same hardware as WRT160NV3 and Cisco Valet M10V1, but different board detection, combine? */
455 .name = "Linksys E1000 V1",
457 { .name = "reset", .gpio = 1 << 6 },
458 { .name = "wps", .gpio = 1 << 5 }, /* nvram get gpio5=wps_button */
461 /** turns on leds for all ethernet ports (wan too)
462 * this also disconnects some, or maybe all, ethernet ports
463 * 1: leds work normally
464 * 0: all lit all the time */
465 /* nvram get gpio3=robo_reset */
466 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
467 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
468 { .name = "ses_blue", .gpio = 1 << 4, .polarity = REVERSE }, /* nvram get gpio4=wps_led */
469 { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE }, /* nvram get gpio2=wps_status_led */
473 .name = "Linksys E3000 V1",
475 { .name = "reset", .gpio = 1 << 6 },
476 { .name = "ses", .gpio = 1 << 4 },
479 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL }, // Power LED
480 { .name = "usb", .gpio = 1 << 7, .polarity = NORMAL }, // USB LED
481 { .name = "ses_amber", .gpio = 1 << 0, .polarity = REVERSE }, // WiFi protected setup LED amber
482 { .name = "ses_blue", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED blue
483 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL }, // Wireless LED
487 .name = "Linksys E3200 V1",
489 /* { .name = "switch", .gpio = 1 << 4 },*/ /* nvram get gpio4=robo_reset */
490 { .name = "reset", .gpio = 1 << 5 }, /* nvram get reset_gpio=5 */
491 { .name = "wps", .gpio = 1 << 8 }, /* nvram get gpio8=wps_button */
492 /* { .name = "wombo", .gpio = 1 << 23 },*/ /* nvram get gpio23=wombo_reset - wireless on motherboard */
495 { .name = "power", .gpio = 1 << 3, .polarity = REVERSE }, /* Power LED */
500 .name = "ASUS WL-HDD",
502 { .name = "reset", .gpio = 1 << 6 },
505 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
506 { .name = "usb", .gpio = 1 << 2, .polarity = REVERSE },
510 .name = "ASUS WL-300g",
512 { .name = "reset", .gpio = 1 << 6 },
515 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
519 .name = "ASUS WL-320gE/WL-320gP",
521 { .name = "reset", .gpio = 1 << 6 },
524 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
525 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE },
526 { .name = "link", .gpio = 1 << 11, .polarity = REVERSE },
530 .name = "ASUS WL-330gE",
532 { .name = "reset", .gpio = 1 << 2 },
535 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
539 .name = "ASUS WL-500g",
541 { .name = "reset", .gpio = 1 << 6 },
544 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
548 .name = "ASUS WL-500g Deluxe",
550 { .name = "reset", .gpio = 1 << 6 },
553 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
557 .name = "ASUS WL-500g Premium",
559 { .name = "reset", .gpio = 1 << 0 },
560 { .name = "ses", .gpio = 1 << 4 },
563 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
567 .name = "ASUS WL-500g Premium V2",
569 { .name = "reset", .gpio = 1 << 2 },
570 { .name = "ses", .gpio = 1 << 3 },
573 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
574 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
578 .name = "ASUS WL-500W",
580 { .name = "reset", .gpio = 1 << 6 },
581 { .name = "ses", .gpio = 1 << 7 },
584 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
588 .name = "ASUS WL-520GC",
590 { .name = "reset", .gpio = 1 << 2 },
591 { .name = "ses", .gpio = 1 << 3 },
594 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
595 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
599 .name = "ASUS WL-520gU",
601 { .name = "reset", .gpio = 1 << 2 },
602 { .name = "ses", .gpio = 1 << 3 },
605 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
606 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
610 .name = "ASUS (unknown, BCM4702)",
612 { .name = "reset", .gpio = 1 << 6 },
615 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
619 .name = "ASUS WL-700gE",
621 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
622 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
623 { .name = "power", .gpio = 1 << 0 }, // on front
624 { .name = "copy", .gpio = 1 << 6 }, // on front
628 // GPIO that controls power led also enables/disables some essential functions
631 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
633 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
635 .platform_init = bcm4780_init,
638 .name = "ASUS RT-N16",
640 { .name = "reset", .gpio = 1 << 8 },
641 { .name = "ses", .gpio = 1 << 5 },
644 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
645 { .name = "wlan", .gpio = 1 << 7, .polarity = NORMAL },
650 .name = "Buffalo WHR-G54S",
652 { .name = "reset", .gpio = 1 << 4 },
653 { .name = "bridge", .gpio = 1 << 5 },
654 { .name = "ses", .gpio = 1 << 0 },
657 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
658 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
659 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
660 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
661 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
665 .name = "Buffalo WBR2-G54",
668 { .name = "reset", .gpio = 1 << 7 },
671 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
675 .name = "Buffalo WHR-HP-G54",
677 { .name = "reset", .gpio = 1 << 4 },
678 { .name = "bridge", .gpio = 1 << 5 },
679 { .name = "ses", .gpio = 1 << 0 },
682 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
683 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
684 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
685 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
686 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
690 .name = "Buffalo WHR-G125",
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 = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
700 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
701 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
705 .name = "Buffalo WHR2-A54G54",
707 { .name = "reset", .gpio = 1 << 4 },
710 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
714 .name = "Buffalo WLA2-G54L",
717 { .name = "reset", .gpio = 1 << 7 },
720 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
724 .name = "Buffalo WZR-G300N",
726 { .name = "reset", .gpio = 1 << 4 },
729 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
730 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
731 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
735 .name = "Buffalo WZR-RS-G54",
737 { .name = "ses", .gpio = 1 << 0 },
738 { .name = "reset", .gpio = 1 << 4 },
741 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
742 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
743 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
747 .name = "Buffalo WZR-RS-G54HP",
749 { .name = "ses", .gpio = 1 << 0 },
750 { .name = "reset", .gpio = 1 << 4 },
753 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
754 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
755 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
758 [BUFFALO_UNKNOWN] = {
759 .name = "Buffalo (unknown)",
761 { .name = "reset", .gpio = 1 << 7 },
764 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
767 [BUFFALO_UNKNOWN_4710] = {
768 .name = "Buffalo (unknown, BCM4710)",
770 { .name = "reset", .gpio = 1 << 4 },
773 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
778 .name = "Siemens SE505 V1",
780 /* No usable buttons */
783 // { .name = "power", .gpio = 1 << 0 .polarity = REVERSE }, // Usable when retrofitting D26 (?)
784 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE }, // actual name WWW
785 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
789 .name = "Siemens SE505 V2",
791 /* No usable buttons */
794 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
795 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE }, // actual name WWW
796 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
801 .name = "U.S. Robotics USR5461",
803 /* No usable buttons */
806 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
807 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
812 .name = "Dell TrueMobile 2300",
814 { .name = "reset", .gpio = 1 << 0 },
817 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
818 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
822 .name = "Dell TrueMobile 2300 v2",
824 { .name = "reset", .gpio = 1 << 0 },
827 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
828 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
833 .name = "Motorola WE800G",
835 { .name = "reset", .gpio = 1 << 0 },
838 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
839 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
840 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
844 .name = "Motorola WR850G V1",
846 { .name = "reset", .gpio = 1 << 0 },
849 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
850 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
851 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
852 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
853 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
857 .name = "Motorola WR850G V2/V3",
859 { .name = "reset", .gpio = 1 << 5 },
862 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
863 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
864 { .name = "wan", .gpio = 1 << 6, .polarity = INPUT },
865 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
869 .name = "Motorola WR850GP",
871 { .name = "reset", .gpio = 1 << 5 },
874 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
875 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
876 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
877 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
883 .name = "Belkin (unknown)",
884 /* FIXME: verify & add detection */
886 { .name = "reset", .gpio = 1 << 7 },
889 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
890 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
891 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
895 .name = "Belkin PlayMax F7D4301",
897 { .name = "reset", .gpio = 1 << 6 },
898 { .name = "wps", .gpio = 1 << 8 },
901 { .name = "power", .gpio = 1 << 11, .polarity = REVERSE },
902 { .name = "wlan", .gpio = 1 << 13, .polarity = REVERSE },
903 { .name = "led0", .gpio = 1 << 14, .polarity = REVERSE },
904 { .name = "led1", .gpio = 1 << 15, .polarity = REVERSE },
909 .name = "Netgear WGT634U",
911 { .name = "reset", .gpio = 1 << 2 },
914 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
919 .name = "Netgear WNR834B V1",
920 .buttons = { /* TODO: add reset button and confirm LEDs - GPIO from dd-wrt */ },
922 { .name = "power", .gpio = 1 << 4, .polarity = REVERSE },
923 { .name = "diag", .gpio = 1 << 5, .polarity = REVERSE },
924 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
929 .name = "Netgear WNR834B V2",
931 { .name = "reset", .gpio = 1 << 6 },
934 { .name = "power", .gpio = 1 << 2, .polarity = NORMAL },
935 { .name = "diag", .gpio = 1 << 3, .polarity = NORMAL },
936 { .name = "connected", .gpio = 1 << 7, .polarity = NORMAL },
940 .name = "Netgear WNDR3400 V1",
942 /* nvram get gpio5=robo_reset */
943 { .name = "reset", .gpio = 1 << 4 },
944 { .name = "wps", .gpio = 1 << 6 },
945 { .name = "wlan", .gpio = 1 << 8 },
948 { .name = "wlan", .gpio = 0 << 0, .polarity = NORMAL },
949 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
950 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
951 { .name = "diag", .gpio = 1 << 7, .polarity = NORMAL },
952 { .name = "usb", .gpio = 1 << 2, .polarity = REVERSE },
956 .name = "Netgear WNDR3700 V3",
958 /* { .name = "usb", .gpio = 1 << 1 }, */ /* this button doesn't seem to exist. */
959 { .name = "wlan", .gpio = 1 << 2 },
960 { .name = "reset", .gpio = 1 << 3 },
961 { .name = "wps", .gpio = 1 << 4 },
962 /* { .name = "switch", .gpio = 1 << 5 },*/ /* nvram get gpio5=robo_reset */
965 { .name = "power", .gpio = (1 << 0) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
966 { .name = "diag", .gpio = (1 << 1) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
967 /* WAN LED doesn't respond to GPIO control. The switch is probably driving it.
968 * { .name = "wan", .gpio = (1 << 2) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
970 { .name = "wlan2g", .gpio = (1 << 3) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
971 { .name = "wlan5g", .gpio = (1 << 4) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
972 { .name = "usb", .gpio = (1 << 5) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
973 { .name = "wps", .gpio = (1 << 6) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
974 { .name = "wlan", .gpio = (1 << 7) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
979 .name = "Trendware TEW411BRP+",
981 { /* No usable buttons */ },
984 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
985 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
986 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
991 .name = "SimpleTech SimpleShare NAS",
993 { .name = "reset", .gpio = 1 << 0 }, // Power button on back, named reset to enable failsafe.
996 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
998 .platform_init = bcm4780_init,
1002 .name = "D-Link DIR-130",
1004 { .name = "reset", .gpio = 1 << 3},
1005 { .name = "reserved", .gpio = 1 << 7},
1008 { .name = "diag", .gpio = 1 << 0},
1009 { .name = "blue", .gpio = 1 << 6},
1013 .name = "D-Link DIR-320",
1015 { .name = "reserved", .gpio = 1 << 6},
1016 { .name = "reset", .gpio = 1 << 7},
1019 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
1020 { .name = "diag", .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
1021 { .name = "red", .gpio = 1 << 3, .polarity = REVERSE },
1022 { .name = "blue", .gpio = 1 << 4, .polarity = REVERSE },
1023 { .name = "usb", .gpio = 1 << 5, .polarity = NORMAL },
1027 .name = "D-Link DIR-330",
1029 { .name = "reset", .gpio = 1 << 3},
1030 { .name = "reserved", .gpio = 1 << 7},
1033 { .name = "diag", .gpio = 1 << 0},
1034 { .name = "usb", .gpio = 1 << 4},
1035 { .name = "blue", .gpio = 1 << 6},
1039 .name = "D-Link DWL-3150",
1041 { .name = "reset", .gpio = 1 << 7},
1044 { .name = "diag", .gpio = 1 << 2},
1045 { .name = "status", .gpio = 1 << 1},
1050 .name = "Sitecom WL-105b",
1052 { .name = "reset", .gpio = 1 << 10},
1055 { .name = "wlan", .gpio = 1 << 4},
1056 { .name = "power", .gpio = 1 << 3},
1059 /* Western Digital Net Center */
1061 .name = "Western Digital NetCenter",
1063 { .name = "power", .gpio = 1 << 0},
1064 { .name = "reset", .gpio = 1 << 7},
1066 .platform_init = NetCenter_init,
1068 /* Askey (and clones) */
1070 .name = "Askey RT210W",
1072 /* Power button is hard-wired to hardware reset */
1073 /* but is also connected to GPIO 7 (probably for bootloader recovery) */
1074 { .name = "power", .gpio = 1 << 7},
1077 /* These were verified and named based on Belkin F5D4230-4 v1112 */
1078 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
1079 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
1080 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
1084 .name = "OvisLink WL-1600GL",
1086 { .name = "reset", .gpio = 1 << 3 },
1087 { .name = "ses", .gpio = 1 << 4 },
1090 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
1091 { .name = "wps", .gpio = 1 << 2, .polarity = REVERSE },
1092 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
1093 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
1098 .name = "Microsoft MN-700",
1100 { .name = "reset", .gpio = 1 << 7 },
1103 { .name = "power", .gpio = 1 << 6, .polarity = NORMAL },
1108 .name = "Edimax PS-1208MFG",
1110 { .name = "reset", .gpio = 1 << 4 },
1113 { .name = "status", .gpio = 1 << 1, .polarity = NORMAL },
1114 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
1119 static struct platform_t __init *platform_detect_legacy(void)
1121 char *boardnum, *boardtype;
1123 if (strcmp(getvar("nvram_type"), "cfe") == 0)
1124 return &platforms[WGT634U];
1127 /* no easy model number, attempt to guess */
1128 boardnum = getvar("boardnum");
1129 boardtype = getvar("boardtype");
1131 if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N v1/V1.1 */
1132 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
1133 return &platforms[WRT600NV11];
1135 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
1136 return &platforms[WRT600N];
1139 if (startswith(getvar("pmon_ver"), "CFE")) {
1140 /* CFE based - newer hardware */
1141 if (!strcmp(boardnum, "42")) { /* Linksys */
1142 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
1143 return &platforms[WRT350N];
1145 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
1146 return &platforms[WRT54G3G];
1148 /* default to WRT54G */
1149 return &platforms[WRT54G];
1151 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1152 return &platforms[WAP54GV2];
1154 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1155 return &platforms[WL1600GL];
1158 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1159 if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1160 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1163 if (!strcmp(boardnum, "45")) { /* ASUS */
1164 if (!strcmp(boardtype,"0x0472"))
1165 return &platforms[WL500W];
1166 else if (!strcmp(boardtype,"0x467"))
1167 return &platforms[WL320GE];
1169 return &platforms[WL500GD];
1172 if (!strcmp(boardnum, "10496"))
1173 return &platforms[USR5461];
1175 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1176 return &platforms[SE505V2];
1178 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1179 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1180 return &platforms[DIR320];
1182 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1183 return &platforms[WDNetCenter];
1186 if (!strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B V1 and V2*/
1187 if (!strcmp(boardnum, "08") || !strcmp(boardnum, "8"))
1188 return &platforms[WNR834BV1];
1189 if (!strcmp(boardnum, "01") || !strcmp(boardnum, "1"))
1190 return &platforms[WNR834BV2];
1193 } else { /* PMON based - old stuff */
1194 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1195 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1196 return &platforms[WR850GV1];
1198 if (startswith(boardtype, "bcm94710dev")) {
1199 if (!strcmp(boardnum, "42"))
1200 return &platforms[WRT54GV1];
1201 if (simple_strtoul(boardnum, NULL, 0) == 2)
1202 return &platforms[WAP54GV1];
1204 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1205 if (startswith(getvar("hardware_version"), "WL500-")) {
1206 if (!strcmp(getvar("boardnum"), "mn700"))
1207 return &platforms[MN700];
1209 return &platforms[WL500G];
1211 if (startswith(getvar("hardware_version"), "WL300-")) {
1212 /* Either WL-300g or WL-HDD, do more extensive checks */
1213 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1214 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
1215 return &platforms[WLHDD];
1216 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1217 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
1218 return &platforms[WL300G];
1220 /* Sitecom WL-105b */
1221 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1222 return &platforms[WL105B];
1224 /* unknown asus stuff, probably bcm4702 */
1225 if (startswith(boardnum, "asusX"))
1226 return &platforms[ASUS_4702];
1228 /* bcm4702 based Askey RT210W clones, Including:
1229 * Askey RT210W (duh?)
1231 * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1233 if (!strcmp(boardtype,"bcm94710r4")
1234 && !strcmp(boardnum ,"100")
1235 && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1237 return &platforms[RT210W];
1241 if (boardnum || !strcmp(boardnum, "00")) {/* probably buffalo */
1242 if (startswith(boardtype, "bcm94710ap"))
1243 return &platforms[BUFFALO_UNKNOWN_4710];
1245 return &platforms[BUFFALO_UNKNOWN];
1248 if (startswith(getvar("CFEver"), "MotoWRv2") ||
1249 startswith(getvar("CFEver"), "MotoWRv3") ||
1250 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1252 return &platforms[WR850GV2V3];
1255 if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
1256 return &platforms[TEW411BRPP];
1259 if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1260 return &platforms[STI_NAS];
1262 if (!strcmp(boardnum, "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1263 return &platforms[DWL3150];
1265 if (!strcmp(boardnum, "01") && !strcmp(boardtype, "0x048e") && /* Edimax PS1208MFG */
1266 !strcmp(getvar("status_gpio"), "1")) /* gpio based detection */
1267 return &platforms[PS1208MFG];
1273 static struct platform_t __init *platform_detect(void)
1275 enum bcm47xx_board board;
1276 const char *board_name;
1279 board = bcm47xx_board_get();
1280 board_name = bcm47xx_board_get_name();
1281 if (board != BCM47XX_BOARD_UNKNOWN && board != BCM47XX_BOARD_NON)
1282 printk(MODULE_NAME ": kernel found a \"%s\"\n", board_name);
1285 case BCM47XX_BOARD_ASUS_RTN16:
1286 return &platforms[RTN16];
1287 case BCM47XX_BOARD_ASUS_WL330GE:
1288 return &platforms[WL330GE];
1289 case BCM47XX_BOARD_ASUS_WL500GPV1:
1290 return &platforms[WL500GP];
1291 case BCM47XX_BOARD_ASUS_WL500GPV2:
1292 return &platforms[WL500GPV2];
1293 case BCM47XX_BOARD_ASUS_WL520GC:
1294 return &platforms[WL520GC];
1295 case BCM47XX_BOARD_ASUS_WL520GU:
1296 return &platforms[WL520GU];
1297 case BCM47XX_BOARD_ASUS_WL700GE:
1298 return &platforms[WL700GE];
1299 case BCM47XX_BOARD_BELKIN_F7D4301:
1300 return &platforms[BELKIN_F7D4301];
1301 case BCM47XX_BOARD_BUFFALO_WBR2_G54:
1302 return &platforms[WBR2_G54];
1303 case BCM47XX_BOARD_BUFFALO_WHR2_A54G54:
1304 return &platforms[WHR2_A54G54];
1305 case BCM47XX_BOARD_BUFFALO_WHR_G125:
1306 return &platforms[WHR_G125];
1307 case BCM47XX_BOARD_BUFFALO_WHR_G54S:
1308 return &platforms[WHR_G54S];
1309 case BCM47XX_BOARD_BUFFALO_WHR_HP_G54:
1310 return &platforms[WHR_HP_G54];
1311 case BCM47XX_BOARD_BUFFALO_WLA2_G54L:
1312 return &platforms[WLA2_G54L];
1313 case BCM47XX_BOARD_BUFFALO_WZR_G300N:
1314 return &platforms[WZR_G300N];
1315 case BCM47XX_BOARD_BUFFALO_WZR_RS_G54:
1316 return &platforms[WZR_RS_G54];
1317 case BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP:
1318 return &platforms[WZR_RS_G54HP];
1319 case BCM47XX_BOARD_DELL_TM2300:
1320 return &platforms[TM2300];
1321 case BCM47XX_BOARD_DLINK_DIR130:
1322 return &platforms[DIR130];
1323 case BCM47XX_BOARD_DLINK_DIR330:
1324 return &platforms[DIR330];
1325 case BCM47XX_BOARD_LINKSYS_E1000V1:
1326 return &platforms[E1000V1];
1327 case BCM47XX_BOARD_LINKSYS_E3000V1:
1328 return &platforms[E3000V1];
1329 case BCM47XX_BOARD_LINKSYS_E3200V1:
1330 return &platforms[E3200V1];
1331 case BCM47XX_BOARD_LINKSYS_WRT150NV1:
1332 return &platforms[WRT150NV1];
1333 case BCM47XX_BOARD_LINKSYS_WRT150NV11:
1334 return &platforms[WRT150NV11];
1335 case BCM47XX_BOARD_LINKSYS_WRT160NV1:
1336 return &platforms[WRT160NV1];
1337 case BCM47XX_BOARD_LINKSYS_WRT160NV3:
1338 return &platforms[WRT160NV3];
1339 case BCM47XX_BOARD_LINKSYS_WRT300NV11:
1340 return &platforms[WRT300NV11];
1341 case BCM47XX_BOARD_LINKSYS_WRT54G3GV2:
1342 return &platforms[WRT54G3GV2_VF];
1343 case BCM47XX_BOARD_LINKSYS_WRT610NV1:
1344 return &platforms[WRT610N];
1345 case BCM47XX_BOARD_LINKSYS_WRT610NV2:
1346 return &platforms[WRT610NV2];
1347 case BCM47XX_BOARD_LINKSYS_WRTSL54GS:
1348 return &platforms[WRTSL54GS];
1349 case BCM47XX_BOARD_MOTOROLA_WE800G:
1350 return &platforms[WE800G];
1351 case BCM47XX_BOARD_MOTOROLA_WR850GP:
1352 return &platforms[WR850GP];
1353 case BCM47XX_BOARD_MOTOROLA_WR850GV2V3:
1354 return &platforms[WR850GV2V3];
1355 case BCM47XX_BOARD_NETGEAR_WNDR3400V1:
1356 return &platforms[WNDR3400V1];
1357 case BCM47XX_BOARD_NETGEAR_WNDR3700V3:
1358 return &platforms[WNDR3700V3];
1359 case BCM47XX_BOARD_UNKNOWN:
1360 case BCM47XX_BOARD_NON:
1361 printk(MODULE_NAME ": unknown board found, try legacy detect\n");
1362 printk(MODULE_NAME ": please open a ticket at https://dev.openwrt.org and attach the complete nvram\n");
1363 return platform_detect_legacy();
1365 printk(MODULE_NAME ": board was detected as \"%s\", but not gpio configuration available\n", board_name);
1366 printk(MODULE_NAME ": now trying legacy detect\n");
1367 return platform_detect_legacy();
1371 static inline void ssb_maskset32(struct ssb_device *dev,
1372 u16 offset, u32 mask, u32 set)
1374 ssb_write32(dev, offset, (ssb_read32(dev, offset) & mask) | set);
1377 static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
1381 irq = gpio_to_irq(0);
1382 if (irq == -EINVAL) return;
1385 if (request_irq(irq, handler, IRQF_SHARED, "gpio", handler))
1388 free_irq(irq, handler);
1391 switch (bcm47xx_bus_type) {
1392 #ifdef CONFIG_BCM47XX_SSB
1393 case BCM47XX_BUS_TYPE_SSB:
1394 if (bcm47xx_bus.ssb.chipco.dev)
1395 ssb_maskset32(bcm47xx_bus.ssb.chipco.dev, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
1398 #ifdef CONFIG_BCM47XX_BCMA
1399 case BCM47XX_BUS_TYPE_BCMA:
1400 if (bcm47xx_bus.bcma.bus.drv_cc.core)
1401 bcma_maskset32(bcm47xx_bus.bcma.bus.drv_cc.core, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO, (enabled ? BCMA_CC_IRQ_GPIO : 0));
1407 static void hotplug_button(struct work_struct *work)
1409 struct event_t *event = container_of(work, struct event_t, wq);
1412 event->skb = alloc_skb(2048, GFP_KERNEL);
1414 s = skb_put(event->skb, strlen(event->action) + 2);
1415 sprintf(s, "%s@", event->action);
1418 NETLINK_CB(event->skb).dst_group = 1;
1419 broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1424 static irqreturn_t button_handler(int irq, void *dev_id)
1429 in = bcm47xx_gpio_in(~0) & platform.button_mask;
1430 bcm47xx_gpio_polarity(platform.button_mask, in);
1431 changed = platform.button_polarity ^ in;
1432 platform.button_polarity = in;
1434 changed &= ~bcm47xx_gpio_outen(0, 0);
1436 for (b = platform.buttons; b->name; b++) {
1437 struct event_t *event;
1439 if (!(b->gpio & changed)) continue;
1443 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1444 event->seen = (jiffies - b->seen)/HZ;
1445 event->name = b->name;
1446 event->action = b->pressed ? "pressed" : "released";
1447 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1448 schedule_work(&event->wq);
1456 static void register_buttons(struct button_t *b)
1458 for (; b->name; b++)
1459 platform.button_mask |= b->gpio;
1461 platform.button_mask &= ~gpiomask;
1463 bcm47xx_gpio_outen(platform.button_mask, 0);
1464 bcm47xx_gpio_control(platform.button_mask, 0);
1465 platform.button_polarity = bcm47xx_gpio_in(~0) & platform.button_mask;
1466 bcm47xx_gpio_polarity(platform.button_mask, platform.button_polarity);
1467 bcm47xx_gpio_intmask(platform.button_mask, platform.button_mask);
1469 gpio_set_irqenable(1, button_handler);
1472 static void unregister_buttons(struct button_t *b)
1474 bcm47xx_gpio_intmask(platform.button_mask, 0);
1476 gpio_set_irqenable(0, button_handler);
1480 static void add_msg(struct event_t *event, char *msg, int argv)
1487 s = skb_put(event->skb, strlen(msg) + 1);
1491 static int fill_event (struct event_t *event)
1493 static char buf[128];
1495 add_msg(event, "HOME=/", 0);
1496 add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1497 add_msg(event, "SUBSYSTEM=button", 0);
1498 snprintf(buf, 128, "ACTION=%s", event->action);
1499 add_msg(event, buf, 0);
1500 snprintf(buf, 128, "BUTTON=%s", event->name);
1501 add_msg(event, buf, 0);
1502 snprintf(buf, 128, "SEEN=%ld", event->seen);
1503 add_msg(event, buf, 0);
1504 snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1505 add_msg(event, buf, 0);
1511 * This should be extended to allow the platform to specify the pins and width
1512 * of the shift register. They're hardcoded for now because only the WNDR3700v3
1515 static void shiftreg_output(unsigned int val)
1519 bcm47xx_gpio_out(SHIFTREG_DATA, SHIFTREG_DATA); /* init off, pull high */
1520 bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* init reset */
1523 for(mask = 1 << (SHIFTREG_MAX_BITS-1); mask; mask >>= 1)
1525 bcm47xx_gpio_out(SHIFTREG_DATA, (val & mask) ? SHIFTREG_DATA : 0);
1526 bcm47xx_gpio_out(SHIFTREG_CLK, SHIFTREG_CLK); /* pull high to trigger */
1527 bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* reset to low */
1531 static void set_led_shift(struct led_t *led)
1533 static u32 shiftreg = 0;
1535 u32 pin = (led->gpio & ~GPIO_TYPE_MASK);
1543 /* Clock the bits out. */
1544 if (shiftreg != old) {
1545 shiftreg_output(shiftreg);
1549 static void set_led_extif(struct led_t *led)
1551 volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (led->gpio & ~GPIO_TYPE_MASK);
1559 static void led_flash(unsigned long dummy) {
1564 for (l = platform.leds; l->name; l++) {
1565 if (!l->flash) continue;
1566 switch (l->gpio & GPIO_TYPE_MASK) {
1567 case GPIO_TYPE_EXTIF:
1569 l->state = !l->state;
1572 case GPIO_TYPE_SHIFT:
1574 l->state = !l->state;
1577 case GPIO_TYPE_NORMAL:
1586 u32 val = ~bcm47xx_gpio_in(~0);
1588 bcm47xx_gpio_outen(mask, mask);
1589 bcm47xx_gpio_control(mask, 0);
1590 bcm47xx_gpio_out(mask, val);
1592 if (mask || extif_blink) {
1593 mod_timer(&led_timer, jiffies + FLASH_TIME);
1597 static int diag_led_show(struct seq_file *m, void *v)
1599 struct led_t * led = m->private;
1601 u8 p = (led->polarity == NORMAL ? 0 : 1);
1603 return seq_printf(m, "f\n");
1604 } else if ((led->gpio & GPIO_TYPE_MASK) != GPIO_TYPE_NORMAL) {
1605 return seq_printf(m, "%d\n", ((led->state ^ p) ? 1 : 0));
1607 u32 in = (bcm47xx_gpio_in(~0) & led->gpio ? 1 : 0);
1608 return seq_printf(m, "%d\n", ((in ^ p) ? 1 : 0));
1612 static int diag_led_open(struct inode *inode, struct file *file)
1614 return single_open(file, diag_led_show, PDE_DATA(inode));
1617 static ssize_t diag_led_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1619 struct led_t *led = PDE_DATA(file_inode(file));
1624 len = min(count, sizeof(cmd) - 1);
1625 if (copy_from_user(cmd, buf, len))
1630 p = (led->polarity == NORMAL ? 0 : 1);
1631 if (cmd[0] == 'f') {
1636 if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_EXTIF) {
1637 led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1639 } else if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_SHIFT) {
1640 led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1643 bcm47xx_gpio_outen(led->gpio, led->gpio);
1644 bcm47xx_gpio_control(led->gpio, 0);
1645 bcm47xx_gpio_out(led->gpio, ((p ^ (cmd[0] == '1')) ? led->gpio : 0));
1651 static const struct file_operations diag_led_fops = {
1652 .open = diag_led_open,
1654 .llseek = seq_lseek,
1655 .write = diag_led_write
1658 static void register_leds(struct led_t *l)
1660 struct proc_dir_entry *p;
1665 leds = proc_mkdir("led", diag);
1669 for(; l->name; l++) {
1670 if (l->gpio & gpiomask)
1673 switch (l->gpio & GPIO_TYPE_MASK) {
1674 case GPIO_TYPE_EXTIF:
1678 case GPIO_TYPE_SHIFT:
1679 mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1680 oe_mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1681 l->state = (l->polarity != NORMAL);
1684 case GPIO_TYPE_NORMAL:
1686 if (l->polarity != INPUT) oe_mask |= l->gpio;
1688 val |= (l->polarity == NORMAL)?0:l->gpio;
1692 if (l->polarity == INPUT) continue;
1694 p = proc_create_data(l->name, S_IRUSR, leds, &diag_led_fops, l);
1697 bcm47xx_gpio_outen(mask, oe_mask);
1698 bcm47xx_gpio_control(mask, 0);
1699 bcm47xx_gpio_out(mask, val);
1700 bcm47xx_gpio_intmask(mask, 0);
1703 static void unregister_leds(struct led_t *l)
1706 remove_proc_entry(l->name, leds);
1708 remove_proc_entry("led", diag);
1711 static int diag_model_show(struct seq_file *m, void *v)
1713 return seq_printf(m, "%s\n", platform.name);
1716 static int diag_model_open(struct inode *inode, struct file *file)
1718 return single_open(file, diag_model_show, PDE_DATA(inode));
1721 static const struct file_operations diag_model_fops = {
1722 .open = diag_model_open,
1727 static int diag_gpiomask_show(struct seq_file *m, void *v)
1729 return seq_printf(m, "0x%04x\n", gpiomask);
1732 static int diag_gpiomask_open(struct inode *inode, struct file *file)
1734 return single_open(file, diag_gpiomask_show, PDE_DATA(inode));
1737 static ssize_t diag_gpiomask_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1739 int err = kstrtouint_from_user(buf, count, 0, &gpiomask);
1743 if (platform.buttons) {
1744 unregister_buttons(platform.buttons);
1745 register_buttons(platform.buttons);
1748 if (platform.leds) {
1749 unregister_leds(platform.leds);
1750 register_leds(platform.leds);
1756 static const struct file_operations diag_gpiomask_fops = {
1757 .open = diag_gpiomask_open,
1759 .llseek = seq_lseek,
1760 .write = diag_gpiomask_write
1763 static int __init diag_init(void)
1765 static struct proc_dir_entry *p;
1766 static struct platform_t *detected;
1768 detected = platform_detect();
1770 printk(MODULE_NAME ": Router model not detected.\n");
1773 memcpy(&platform, detected, sizeof(struct platform_t));
1775 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1776 if (platform.platform_init != NULL) {
1777 platform.platform_init();
1780 if (!(diag = proc_mkdir("diag", NULL))) {
1781 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1785 p = proc_create("model", S_IRUSR, diag, &diag_model_fops);
1787 remove_proc_entry("diag", NULL);
1791 p = proc_create("gpiomask", S_IRUSR | S_IWUSR, diag, &diag_gpiomask_fops);
1793 remove_proc_entry("model", diag);
1794 remove_proc_entry("diag", NULL);
1798 if (platform.buttons)
1799 register_buttons(platform.buttons);
1802 register_leds(platform.leds);
1807 static void __exit diag_exit(void)
1809 del_timer(&led_timer);
1811 if (platform.buttons)
1812 unregister_buttons(platform.buttons);
1815 unregister_leds(platform.leds);
1817 remove_proc_entry("model", diag);
1818 remove_proc_entry("gpiomask", diag);
1819 remove_proc_entry("diag", NULL);
1822 module_init(diag_init);
1823 module_exit(diag_exit);
1825 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1826 MODULE_LICENSE("GPL");