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 */
189 static void __init bcm4780_init(void) {
192 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
193 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
194 bcm47xx_gpio_outen(pin, pin);
195 bcm47xx_gpio_control(pin, 0);
196 bcm47xx_gpio_out(pin, pin);
198 /* Wait 5s, so the HDD can spin up */
199 set_current_state(TASK_INTERRUPTIBLE);
200 schedule_timeout(HZ * 5);
203 static void __init NetCenter_init(void) {
204 /* unset pin 6 (+12V) */
206 bcm47xx_gpio_outen(pin, pin);
207 bcm47xx_gpio_control(pin, 0);
208 bcm47xx_gpio_out(pin, pin);
209 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
211 bcm47xx_gpio_outen(pin, pin);
212 bcm47xx_gpio_control(pin, 0);
213 bcm47xx_gpio_out(pin, pin);
214 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
218 static void __init bcm57xx_init(void) {
221 /* FIXME: switch comes up, but port mappings/vlans not right */
222 bcm47xx_gpio_outen(pin, pin);
223 bcm47xx_gpio_control(pin, 0);
224 bcm47xx_gpio_out(pin, pin);
227 static struct platform_t __initdata platforms[] = {
230 .name = "Linksys WAP54G V1",
232 { .name = "reset", .gpio = 1 << 0 },
235 { .name = "diag", .gpio = 1 << 3 },
236 { .name = "wlan", .gpio = 1 << 4 },
240 .name = "Linksys WAP54G V2",
242 { .name = "reset", .gpio = 1 << 0 },
245 { .name = "wlan", .gpio = 1 << 5, .polarity = REVERSE },
246 /* GPIO 6 is b44 (eth0, LAN) PHY power */
250 .name = "Linksys WAP54G V3",
252 /* FIXME: verify this */
253 { .name = "reset", .gpio = 1 << 7 },
254 { .name = "ses", .gpio = 1 << 0 },
258 { .name = "ses", .gpio = 1 << 1 },
262 .name = "Linksys WRT54G V1.x",
264 { .name = "reset", .gpio = 1 << 6 },
267 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
268 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
272 .name = "Linksys WRT54G/GS/GL",
274 { .name = "reset", .gpio = 1 << 6 },
275 { .name = "ses", .gpio = 1 << 4 },
278 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
279 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
280 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
281 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
282 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
286 .name = "Linksys WRTSL54GS",
288 { .name = "reset", .gpio = 1 << 6 },
289 { .name = "ses", .gpio = 1 << 4 },
292 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
293 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
294 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
295 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
299 .name = "Linksys WRT54G3G",
301 { .name = "reset", .gpio = 1 << 6 },
302 { .name = "3g", .gpio = 1 << 4 },
305 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
306 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
307 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
308 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
309 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
313 .name = "Linksys WRT54G3GV2-VF",
315 { .name = "reset", .gpio = 1 << 6 },
316 { .name = "3g", .gpio = 1 << 5 },
319 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
320 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
321 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
325 .name = "Linksys WRT150N V1",
327 { .name = "reset", .gpio = 1 << 6 },
328 { .name = "ses", .gpio = 1 << 4 },
331 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
332 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE },
333 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
337 .name = "Linksys WRT150N V1.1",
339 { .name = "reset", .gpio = 1 << 6 },
340 { .name = "ses", .gpio = 1 << 4 },
343 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
344 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE },
345 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
349 .name = "Linksys WRT160N v1.x",
351 { .name = "reset", .gpio = 1 << 6 },
352 { .name = "ses", .gpio = 1 << 4 },
355 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
356 { .name = "ses_blue", .gpio = 1 << 5, .polarity = REVERSE },
357 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
361 .name = "Linksys WRT160N V3",
363 { .name = "reset", .gpio = 1 << 6 },
364 { .name = "ses", .gpio = 1 << 5 },
367 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
368 { .name = "ses_blue", .gpio = 1 << 4, .polarity = REVERSE },
369 { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE },
373 .name = "Linksys WRT300N V1.1",
375 { .name = "reset", .gpio = 1 << 6 }, // "Reset" on back panel
376 { .name = "ses", .gpio = 1 << 4 }, // "Reserved" on top panel
379 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // "Power"
380 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
381 { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
383 .platform_init = bcm57xx_init,
386 .name = "Linksys WRT350N",
388 { .name = "reset", .gpio = 1 << 6 },
389 { .name = "ses", .gpio = 1 << 8 },
392 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
393 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
394 { .name = "ses_green", .gpio = 1 << 9, .polarity = REVERSE },
395 { .name = "usb_blink", .gpio = 1 << 10, .polarity = REVERSE },
396 { .name = "usb", .gpio = 1 << 11, .polarity = REVERSE },
398 .platform_init = bcm57xx_init,
401 .name = "Linksys WRT600N",
403 { .name = "reset", .gpio = 1 << 6 },
404 { .name = "ses", .gpio = 1 << 7 },
407 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
408 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
409 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
410 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
411 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
412 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
414 .platform_init = bcm57xx_init,
417 .name = "Linksys WRT600N V1.1",
419 { .name = "reset", .gpio = 1 << 6 },
420 { .name = "ses", .gpio = 1 << 7 },
423 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
424 { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
425 { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
426 { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
427 { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
428 { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
430 .platform_init = bcm57xx_init,
433 .name = "Linksys WRT610N",
435 { .name = "reset", .gpio = 1 << 6 },
436 { .name = "ses", .gpio = 1 << 8 },
439 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // Power LED
440 { .name = "usb", .gpio = 1 << 0, .polarity = REVERSE }, // USB LED
441 { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED amber
442 { .name = "ses_blue", .gpio = 1 << 9, .polarity = REVERSE }, // WiFi protected setup LED blue
446 .name = "Linksys WRT610N V2",
448 { .name = "reset", .gpio = 1 << 6 },
449 { .name = "ses", .gpio = 1 << 4 },
452 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL }, // Power LED
453 { .name = "usb", .gpio = 1 << 7, .polarity = NORMAL }, // USB LED
454 { .name = "ses_amber", .gpio = 1 << 0, .polarity = REVERSE }, // WiFi protected setup LED amber
455 { .name = "ses_blue", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED blue
456 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL }, // Wireless LED
459 /* same hardware as WRT160NV3 and Cisco Valet M10V1, but different board detection, combine? */
461 .name = "Linksys E1000 V1",
463 { .name = "reset", .gpio = 1 << 6 },
464 { .name = "wps", .gpio = 1 << 5 }, /* nvram get gpio5=wps_button */
467 /** turns on leds for all ethernet ports (wan too)
468 * this also disconnects some, or maybe all, ethernet ports
469 * 1: leds work normally
470 * 0: all lit all the time */
471 /* nvram get gpio3=robo_reset */
472 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
473 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
474 { .name = "ses_blue", .gpio = 1 << 4, .polarity = REVERSE }, /* nvram get gpio4=wps_led */
475 { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE }, /* nvram get gpio2=wps_status_led */
479 .name = "Linksys E1000 V2.1",
481 { .name = "reset", .gpio = 1 << 10 }, /* nvram get reset_gpio=10 */
482 { .name = "wps", .gpio = 1 << 9 }, /* nvram get gpio9=wps_button */
485 { .name = "power", .gpio = 1 << 6, .polarity = REVERSE },
486 { .name = "wlan", .gpio = 1 << 5, .polarity = NORMAL },
487 { .name = "ses_blue", .gpio = 1 << 8, .polarity = NORMAL }, /* nvram get gpio8=wps_led */
488 { .name = "ses_orange", .gpio = 1 << 7, .polarity = NORMAL }, /* nvram get gpio7=wps_status_led */
492 .name = "Linksys E3000 V1",
494 { .name = "reset", .gpio = 1 << 6 },
495 { .name = "ses", .gpio = 1 << 4 },
498 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL }, // Power LED
499 { .name = "usb", .gpio = 1 << 7, .polarity = NORMAL }, // USB LED
500 { .name = "ses_amber", .gpio = 1 << 0, .polarity = REVERSE }, // WiFi protected setup LED amber
501 { .name = "ses_blue", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED blue
502 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL }, // Wireless LED
506 .name = "Linksys E3200 V1",
508 /* { .name = "switch", .gpio = 1 << 4 },*/ /* nvram get gpio4=robo_reset */
509 { .name = "reset", .gpio = 1 << 5 }, /* nvram get reset_gpio=5 */
510 { .name = "wps", .gpio = 1 << 8 }, /* nvram get gpio8=wps_button */
511 /* { .name = "wombo", .gpio = 1 << 23 },*/ /* nvram get gpio23=wombo_reset - wireless on motherboard */
514 { .name = "power", .gpio = 1 << 3, .polarity = REVERSE }, /* Power LED */
518 .name = "Linksys E4200 V1",
520 { .name = "reset", .gpio = 1 << 6 },
521 { .name = "wps", .gpio = 1 << 4 },
524 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
529 .name = "ASUS WL-HDD",
531 { .name = "reset", .gpio = 1 << 6 },
534 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
535 { .name = "usb", .gpio = 1 << 2, .polarity = REVERSE },
539 .name = "ASUS WL-300g",
541 { .name = "reset", .gpio = 1 << 6 },
544 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
548 .name = "ASUS WL-320gE/WL-320gP",
550 { .name = "reset", .gpio = 1 << 6 },
553 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
554 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE },
555 { .name = "link", .gpio = 1 << 11, .polarity = REVERSE },
559 .name = "ASUS WL-330gE",
561 { .name = "reset", .gpio = 1 << 2 },
564 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
568 .name = "ASUS WL-500g",
570 { .name = "reset", .gpio = 1 << 6 },
573 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
577 .name = "ASUS WL-500g Deluxe",
579 { .name = "reset", .gpio = 1 << 6 },
582 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
586 .name = "ASUS WL-500g Premium",
588 { .name = "reset", .gpio = 1 << 0 },
589 { .name = "ses", .gpio = 1 << 4 },
592 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
596 .name = "ASUS WL-500g Premium V2",
598 { .name = "reset", .gpio = 1 << 2 },
599 { .name = "ses", .gpio = 1 << 3 },
602 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
603 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
607 .name = "ASUS WL-500W",
609 { .name = "reset", .gpio = 1 << 6 },
610 { .name = "ses", .gpio = 1 << 7 },
613 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
617 .name = "ASUS WL-520GC",
619 { .name = "reset", .gpio = 1 << 2 },
620 { .name = "ses", .gpio = 1 << 3 },
623 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
624 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
628 .name = "ASUS WL-520gU",
630 { .name = "reset", .gpio = 1 << 2 },
631 { .name = "ses", .gpio = 1 << 3 },
634 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
635 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
639 .name = "ASUS (unknown, BCM4702)",
641 { .name = "reset", .gpio = 1 << 6 },
644 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
648 .name = "ASUS WL-700gE",
650 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
651 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
652 { .name = "power", .gpio = 1 << 0 }, // on front
653 { .name = "copy", .gpio = 1 << 6 }, // on front
657 // GPIO that controls power led also enables/disables some essential functions
660 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
662 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
664 .platform_init = bcm4780_init,
667 .name = "ASUS RT-N12",
669 { .name = "wps", .gpio = 1 << 0 },
670 { .name = "reset", .gpio = 1 << 1 },
671 // this is the router/repeater/ap switch
672 { .name = "sw1", .gpio = 1 << 4 },
673 { .name = "sw2", .gpio = 1 << 5 },
674 { .name = "sw3", .gpio = 1 << 6 },
677 { .name = "power", .gpio = 1 << 2, .polarity = REVERSE },
678 { .name = "wlan", .gpio = 1 << 7, .polarity = NORMAL },
679 // gpio3 forces WAN and LAN1-4 all on
680 //{ .name = "eth", .gpio = 1 << 3, .polarity = REVERSE },
684 .name = "ASUS RT-N16",
686 { .name = "reset", .gpio = 1 << 8 },
687 { .name = "ses", .gpio = 1 << 5 },
690 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
691 { .name = "wlan", .gpio = 1 << 7, .polarity = NORMAL },
695 .name = "ASUS RT-N66U",
697 { .name = "reset", .gpio = 1 << 9 },
698 { .name = "wps", .gpio = 1 << 4 },
701 { .name = "power", .gpio = 1 << 12, .polarity = REVERSE },
702 { .name = "usb", .gpio = 1 << 15, .polarity = REVERSE },
707 .name = "Buffalo WHR-G54S",
709 { .name = "reset", .gpio = 1 << 4 },
710 { .name = "bridge", .gpio = 1 << 5 },
711 { .name = "ses", .gpio = 1 << 0 },
714 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
715 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
716 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
717 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
718 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
722 .name = "Buffalo WBR2-G54",
725 { .name = "reset", .gpio = 1 << 7 },
728 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
732 .name = "Buffalo WHR-HP-G54",
734 { .name = "reset", .gpio = 1 << 4 },
735 { .name = "bridge", .gpio = 1 << 5 },
736 { .name = "ses", .gpio = 1 << 0 },
739 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
740 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
741 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
742 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
743 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
747 .name = "Buffalo WHR-G125",
749 { .name = "reset", .gpio = 1 << 4 },
750 { .name = "bridge", .gpio = 1 << 5 },
751 { .name = "ses", .gpio = 1 << 0 },
754 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
755 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
756 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
757 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
758 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
762 .name = "Buffalo WHR2-A54G54",
764 { .name = "reset", .gpio = 1 << 4 },
767 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
771 .name = "Buffalo WLA2-G54L",
774 { .name = "reset", .gpio = 1 << 7 },
777 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
781 .name = "Buffalo WZR-G300N",
783 { .name = "reset", .gpio = 1 << 4 },
786 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
787 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
788 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
792 .name = "Buffalo WZR-RS-G54",
794 { .name = "ses", .gpio = 1 << 0 },
795 { .name = "reset", .gpio = 1 << 4 },
798 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
799 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
800 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
804 .name = "Buffalo WZR-RS-G54HP",
806 { .name = "ses", .gpio = 1 << 0 },
807 { .name = "reset", .gpio = 1 << 4 },
810 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
811 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
812 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
815 [BUFFALO_UNKNOWN_4710] = {
816 .name = "Buffalo (unknown, BCM4710)",
818 { .name = "reset", .gpio = 1 << 4 },
821 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
826 .name = "Siemens SE505 V1",
828 /* No usable buttons */
831 // { .name = "power", .gpio = 1 << 0 .polarity = REVERSE }, // Usable when retrofitting D26 (?)
832 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE }, // actual name WWW
833 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
837 .name = "Siemens SE505 V2",
839 /* No usable buttons */
842 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
843 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE }, // actual name WWW
844 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
849 .name = "U.S. Robotics USR5461",
851 /* No usable buttons */
854 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
855 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
860 .name = "Dell TrueMobile 2300",
862 { .name = "reset", .gpio = 1 << 0 },
865 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
866 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
870 .name = "Dell TrueMobile 2300 v2",
872 { .name = "reset", .gpio = 1 << 0 },
875 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
876 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
881 .name = "Motorola WE800G",
883 { .name = "reset", .gpio = 1 << 0 },
886 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
887 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
888 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
892 .name = "Motorola WR850G V1",
894 { .name = "reset", .gpio = 1 << 0 },
897 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
898 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
899 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
900 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
901 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
905 .name = "Motorola WR850G V2/V3",
907 { .name = "reset", .gpio = 1 << 5 },
910 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
911 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
912 { .name = "wan", .gpio = 1 << 6, .polarity = INPUT },
913 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
917 .name = "Motorola WR850GP",
919 { .name = "reset", .gpio = 1 << 5 },
922 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
923 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
924 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
925 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
931 .name = "Belkin (unknown)",
932 /* FIXME: verify & add detection */
934 { .name = "reset", .gpio = 1 << 7 },
937 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
938 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
939 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
943 .name = "Belkin PlayMax F7D4301",
945 { .name = "reset", .gpio = 1 << 6 },
946 { .name = "wps", .gpio = 1 << 8 },
949 { .name = "power", .gpio = 1 << 11, .polarity = REVERSE },
950 { .name = "wlan", .gpio = 1 << 13, .polarity = REVERSE },
951 { .name = "led0", .gpio = 1 << 14, .polarity = REVERSE },
952 { .name = "led1", .gpio = 1 << 15, .polarity = REVERSE },
957 .name = "Netgear WGT634U",
959 { .name = "reset", .gpio = 1 << 2 },
962 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
967 .name = "Netgear WNR834B V1",
968 .buttons = { /* TODO: add reset button and confirm LEDs - GPIO from dd-wrt */ },
970 { .name = "power", .gpio = 1 << 4, .polarity = REVERSE },
971 { .name = "diag", .gpio = 1 << 5, .polarity = REVERSE },
972 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
977 .name = "Netgear WNR834B V2",
979 { .name = "reset", .gpio = 1 << 6 },
982 { .name = "power", .gpio = 1 << 2, .polarity = NORMAL },
983 { .name = "diag", .gpio = 1 << 3, .polarity = NORMAL },
984 { .name = "connected", .gpio = 1 << 7, .polarity = NORMAL },
988 .name = "Netgear WNDR3400 V1",
990 /* nvram get gpio5=robo_reset */
991 { .name = "reset", .gpio = 1 << 4 },
992 { .name = "wps", .gpio = 1 << 6 },
993 { .name = "wlan", .gpio = 1 << 8 },
996 { .name = "wlan", .gpio = 0 << 0, .polarity = NORMAL },
997 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
998 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
999 { .name = "diag", .gpio = 1 << 7, .polarity = NORMAL },
1000 { .name = "usb", .gpio = 1 << 2, .polarity = REVERSE },
1004 .name = "Netgear WNDR3700 V3",
1006 /* { .name = "usb", .gpio = 1 << 1 }, */ /* this button doesn't seem to exist. */
1007 { .name = "wlan", .gpio = 1 << 2 },
1008 { .name = "reset", .gpio = 1 << 3 },
1009 { .name = "wps", .gpio = 1 << 4 },
1010 /* { .name = "switch", .gpio = 1 << 5 },*/ /* nvram get gpio5=robo_reset */
1013 { .name = "power", .gpio = (1 << 0) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1014 { .name = "diag", .gpio = (1 << 1) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1015 /* WAN LED doesn't respond to GPIO control. The switch is probably driving it.
1016 * { .name = "wan", .gpio = (1 << 2) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1018 { .name = "wlan2g", .gpio = (1 << 3) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1019 { .name = "wlan5g", .gpio = (1 << 4) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1020 { .name = "usb", .gpio = (1 << 5) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1021 { .name = "wps", .gpio = (1 << 6) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1022 { .name = "wlan", .gpio = (1 << 7) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1027 .name = "Trendware TEW411BRP+",
1029 { /* No usable buttons */ },
1032 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
1033 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
1034 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
1039 .name = "SimpleTech SimpleShare NAS",
1041 { .name = "reset", .gpio = 1 << 0 }, // Power button on back, named reset to enable failsafe.
1044 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
1046 .platform_init = bcm4780_init,
1050 .name = "D-Link DIR-130",
1052 { .name = "reset", .gpio = 1 << 3},
1053 { .name = "reserved", .gpio = 1 << 7},
1056 { .name = "diag", .gpio = 1 << 0},
1057 { .name = "blue", .gpio = 1 << 6},
1061 .name = "D-Link DIR-320",
1063 { .name = "reserved", .gpio = 1 << 6},
1064 { .name = "reset", .gpio = 1 << 7},
1067 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
1068 { .name = "diag", .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
1069 { .name = "red", .gpio = 1 << 3, .polarity = REVERSE },
1070 { .name = "blue", .gpio = 1 << 4, .polarity = REVERSE },
1071 { .name = "usb", .gpio = 1 << 5, .polarity = NORMAL },
1075 .name = "D-Link DIR-330",
1077 { .name = "reset", .gpio = 1 << 3},
1078 { .name = "reserved", .gpio = 1 << 7},
1081 { .name = "diag", .gpio = 1 << 0},
1082 { .name = "usb", .gpio = 1 << 4},
1083 { .name = "blue", .gpio = 1 << 6},
1087 .name = "D-Link DWL-3150",
1089 { .name = "reset", .gpio = 1 << 7},
1092 { .name = "diag", .gpio = 1 << 2},
1093 { .name = "status", .gpio = 1 << 1},
1098 .name = "Sitecom WL-105b",
1100 { .name = "reset", .gpio = 1 << 10},
1103 { .name = "wlan", .gpio = 1 << 4},
1104 { .name = "power", .gpio = 1 << 3},
1107 /* Western Digital Net Center */
1109 .name = "Western Digital NetCenter",
1111 { .name = "power", .gpio = 1 << 0},
1112 { .name = "reset", .gpio = 1 << 7},
1114 .platform_init = NetCenter_init,
1116 /* Askey (and clones) */
1118 .name = "Askey RT210W",
1120 /* Power button is hard-wired to hardware reset */
1121 /* but is also connected to GPIO 7 (probably for bootloader recovery) */
1122 { .name = "power", .gpio = 1 << 7},
1125 /* These were verified and named based on Belkin F5D4230-4 v1112 */
1126 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
1127 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
1128 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
1132 .name = "OvisLink WL-1600GL",
1134 { .name = "reset", .gpio = 1 << 3 },
1135 { .name = "ses", .gpio = 1 << 4 },
1138 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
1139 { .name = "wps", .gpio = 1 << 2, .polarity = REVERSE },
1140 { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
1141 { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
1146 .name = "Microsoft MN-700",
1148 { .name = "reset", .gpio = 1 << 7 },
1151 { .name = "power", .gpio = 1 << 6, .polarity = NORMAL },
1156 .name = "Edimax PS-1208MFG",
1158 { .name = "reset", .gpio = 1 << 4 },
1161 { .name = "status", .gpio = 1 << 1, .polarity = NORMAL },
1162 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
1167 .name = "Huawei E970",
1169 { .name = "reset", .gpio = 1 << 6 },
1172 { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
1177 static struct platform_t __init *platform_detect_legacy(void)
1179 char *boardnum, *boardtype;
1181 if (strcmp(getvar("nvram_type"), "cfe") == 0)
1182 return &platforms[WGT634U];
1185 /* no easy model number, attempt to guess */
1186 boardnum = getvar("boardnum");
1187 boardtype = getvar("boardtype");
1189 if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N v1/V1.1 */
1190 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
1191 return &platforms[WRT600NV11];
1193 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
1194 return &platforms[WRT600N];
1197 if (startswith(getvar("pmon_ver"), "CFE")) {
1198 /* CFE based - newer hardware */
1199 if (!strcmp(boardnum, "42")) { /* Linksys */
1200 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
1201 return &platforms[WRT350N];
1203 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
1204 return &platforms[WRT54G3G];
1206 /* default to WRT54G if no boot_hw_model is set */
1207 if (nvram_get("boot_hw_model") == NULL)
1208 return &platforms[WRT54G];
1210 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1211 return &platforms[WAP54GV2];
1213 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1214 return &platforms[WL1600GL];
1217 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1218 if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1219 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1222 if (!strcmp(boardnum, "10496"))
1223 return &platforms[USR5461];
1225 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1226 return &platforms[SE505V2];
1228 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1229 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1230 return &platforms[DIR320];
1232 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1233 return &platforms[WDNetCenter];
1236 if (!strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B V1 and V2*/
1237 if (!strcmp(boardnum, "08") || !strcmp(boardnum, "8"))
1238 return &platforms[WNR834BV1];
1239 if (!strcmp(boardnum, "01") || !strcmp(boardnum, "1"))
1240 return &platforms[WNR834BV2];
1243 } else { /* PMON based - old stuff */
1244 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1245 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1246 return &platforms[WR850GV1];
1248 if (startswith(boardtype, "bcm94710dev")) {
1249 if (!strcmp(boardnum, "42"))
1250 return &platforms[WRT54GV1];
1251 if (simple_strtoul(boardnum, NULL, 0) == 2)
1252 return &platforms[WAP54GV1];
1254 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1255 if (startswith(getvar("hardware_version"), "WL500-")) {
1256 if (!strcmp(getvar("boardnum"), "mn700"))
1257 return &platforms[MN700];
1259 return &platforms[WL500G];
1261 /* Sitecom WL-105b */
1262 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1263 return &platforms[WL105B];
1265 /* unknown asus stuff, probably bcm4702 */
1266 if (startswith(boardnum, "asusX"))
1267 return &platforms[ASUS_4702];
1269 /* bcm4702 based Askey RT210W clones, Including:
1270 * Askey RT210W (duh?)
1272 * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1274 if (!strcmp(boardtype,"bcm94710r4")
1275 && !strcmp(boardnum ,"100")
1276 && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1278 return &platforms[RT210W];
1282 if (boardnum || !strcmp(boardnum, "00")) {/* probably buffalo */
1283 if (startswith(boardtype, "bcm94710ap"))
1284 return &platforms[BUFFALO_UNKNOWN_4710];
1287 if (startswith(getvar("CFEver"), "MotoWRv2") ||
1288 startswith(getvar("CFEver"), "MotoWRv3") ||
1289 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1291 return &platforms[WR850GV2V3];
1294 if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
1295 return &platforms[TEW411BRPP];
1298 if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1299 return &platforms[STI_NAS];
1301 if (!strcmp(boardnum, "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1302 return &platforms[DWL3150];
1304 if (!strcmp(boardnum, "01") && !strcmp(boardtype, "0x048e") && /* Edimax PS1208MFG */
1305 !strcmp(getvar("status_gpio"), "1")) /* gpio based detection */
1306 return &platforms[PS1208MFG];
1312 static struct platform_t __init *platform_detect(void)
1314 enum bcm47xx_board board;
1315 const char *board_name;
1318 board = bcm47xx_board_get();
1319 board_name = bcm47xx_board_get_name();
1320 if (board != BCM47XX_BOARD_UNKNOWN && board != BCM47XX_BOARD_NON)
1321 printk(MODULE_NAME ": kernel found a \"%s\"\n", board_name);
1324 case BCM47XX_BOARD_ASUS_RTN12:
1325 return &platforms[RTN12];
1326 case BCM47XX_BOARD_ASUS_RTN16:
1327 return &platforms[RTN16];
1328 case BCM47XX_BOARD_ASUS_RTN66U:
1329 return &platforms[RTN66U];
1330 case BCM47XX_BOARD_ASUS_WL300G:
1331 return &platforms[WL300G];
1332 case BCM47XX_BOARD_ASUS_WL320GE:
1333 return &platforms[WL320GE];
1334 case BCM47XX_BOARD_ASUS_WL330GE:
1335 return &platforms[WL330GE];
1336 case BCM47XX_BOARD_ASUS_WL500GD:
1337 return &platforms[WL500GD];
1338 case BCM47XX_BOARD_ASUS_WL500GPV1:
1339 return &platforms[WL500GP];
1340 case BCM47XX_BOARD_ASUS_WL500GPV2:
1341 return &platforms[WL500GPV2];
1342 case BCM47XX_BOARD_ASUS_WL500W:
1343 return &platforms[WL500W];
1344 case BCM47XX_BOARD_ASUS_WL520GC:
1345 return &platforms[WL520GC];
1346 case BCM47XX_BOARD_ASUS_WL520GU:
1347 return &platforms[WL520GU];
1348 case BCM47XX_BOARD_ASUS_WL700GE:
1349 return &platforms[WL700GE];
1350 case BCM47XX_BOARD_ASUS_WLHDD:
1351 return &platforms[WLHDD];
1352 case BCM47XX_BOARD_BELKIN_F7D4301:
1353 return &platforms[BELKIN_F7D4301];
1354 case BCM47XX_BOARD_BUFFALO_WBR2_G54:
1355 return &platforms[WBR2_G54];
1356 case BCM47XX_BOARD_BUFFALO_WHR2_A54G54:
1357 return &platforms[WHR2_A54G54];
1358 case BCM47XX_BOARD_BUFFALO_WHR_G125:
1359 return &platforms[WHR_G125];
1360 case BCM47XX_BOARD_BUFFALO_WHR_G54S:
1361 return &platforms[WHR_G54S];
1362 case BCM47XX_BOARD_BUFFALO_WHR_HP_G54:
1363 return &platforms[WHR_HP_G54];
1364 case BCM47XX_BOARD_BUFFALO_WLA2_G54L:
1365 return &platforms[WLA2_G54L];
1366 case BCM47XX_BOARD_BUFFALO_WZR_G300N:
1367 return &platforms[WZR_G300N];
1368 case BCM47XX_BOARD_BUFFALO_WZR_RS_G54:
1369 return &platforms[WZR_RS_G54];
1370 case BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP:
1371 return &platforms[WZR_RS_G54HP];
1372 case BCM47XX_BOARD_DELL_TM2300:
1373 return &platforms[TM2300];
1374 case BCM47XX_BOARD_DLINK_DIR130:
1375 return &platforms[DIR130];
1376 case BCM47XX_BOARD_DLINK_DIR330:
1377 return &platforms[DIR330];
1378 case BCM47XX_BOARD_HUAWEI_E970:
1379 return &platforms[HUAWEI_E970];
1380 case BCM47XX_BOARD_LINKSYS_E1000V1:
1381 return &platforms[E1000V1];
1382 case BCM47XX_BOARD_LINKSYS_E1000V21:
1383 return &platforms[E1000V21];
1384 case BCM47XX_BOARD_LINKSYS_E3000V1:
1385 return &platforms[E3000V1];
1386 case BCM47XX_BOARD_LINKSYS_E3200V1:
1387 return &platforms[E3200V1];
1388 case BCM47XX_BOARD_LINKSYS_E4200V1:
1389 return &platforms[E4200V1];
1390 case BCM47XX_BOARD_LINKSYS_WRT150NV1:
1391 return &platforms[WRT150NV1];
1392 case BCM47XX_BOARD_LINKSYS_WRT150NV11:
1393 return &platforms[WRT150NV11];
1394 case BCM47XX_BOARD_LINKSYS_WRT160NV1:
1395 return &platforms[WRT160NV1];
1396 case BCM47XX_BOARD_LINKSYS_WRT160NV3:
1397 return &platforms[WRT160NV3];
1398 case BCM47XX_BOARD_LINKSYS_WRT300NV11:
1399 return &platforms[WRT300NV11];
1400 case BCM47XX_BOARD_LINKSYS_WRT54G3GV2:
1401 return &platforms[WRT54G3GV2_VF];
1402 case BCM47XX_BOARD_LINKSYS_WRT610NV1:
1403 return &platforms[WRT610N];
1404 case BCM47XX_BOARD_LINKSYS_WRT610NV2:
1405 return &platforms[WRT610NV2];
1406 case BCM47XX_BOARD_LINKSYS_WRTSL54GS:
1407 return &platforms[WRTSL54GS];
1408 case BCM47XX_BOARD_MOTOROLA_WE800G:
1409 return &platforms[WE800G];
1410 case BCM47XX_BOARD_MOTOROLA_WR850GP:
1411 return &platforms[WR850GP];
1412 case BCM47XX_BOARD_MOTOROLA_WR850GV2V3:
1413 return &platforms[WR850GV2V3];
1414 case BCM47XX_BOARD_NETGEAR_WNDR3400V1:
1415 return &platforms[WNDR3400V1];
1416 case BCM47XX_BOARD_NETGEAR_WNDR3700V3:
1417 return &platforms[WNDR3700V3];
1418 case BCM47XX_BOARD_UNKNOWN:
1419 case BCM47XX_BOARD_NON:
1420 printk(MODULE_NAME ": unknown board found, try legacy detect\n");
1421 printk(MODULE_NAME ": please open a ticket at https://dev.openwrt.org and attach the complete nvram\n");
1422 return platform_detect_legacy();
1424 printk(MODULE_NAME ": board was detected as \"%s\", but not gpio configuration available\n", board_name);
1425 printk(MODULE_NAME ": now trying legacy detect\n");
1426 return platform_detect_legacy();
1430 static inline void ssb_maskset32(struct ssb_device *dev,
1431 u16 offset, u32 mask, u32 set)
1433 ssb_write32(dev, offset, (ssb_read32(dev, offset) & mask) | set);
1436 static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
1441 irq = gpio_to_irq(0);
1443 pr_err("no irq for gpio available\n");
1448 err = request_irq(irq, handler, IRQF_SHARED, "gpio", handler);
1450 pr_err("can not reqeust irq\n");
1454 free_irq(irq, handler);
1457 switch (bcm47xx_bus_type) {
1458 #ifdef CONFIG_BCM47XX_SSB
1459 case BCM47XX_BUS_TYPE_SSB:
1460 if (bcm47xx_bus.ssb.chipco.dev)
1461 ssb_maskset32(bcm47xx_bus.ssb.chipco.dev, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
1464 #ifdef CONFIG_BCM47XX_BCMA
1465 case BCM47XX_BUS_TYPE_BCMA:
1466 if (bcm47xx_bus.bcma.bus.drv_cc.core)
1467 bcma_maskset32(bcm47xx_bus.bcma.bus.drv_cc.core, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO, (enabled ? BCMA_CC_IRQ_GPIO : 0));
1473 static void hotplug_button(struct work_struct *work)
1475 struct event_t *event = container_of(work, struct event_t, wq);
1478 event->skb = alloc_skb(2048, GFP_KERNEL);
1480 s = skb_put(event->skb, strlen(event->action) + 2);
1481 sprintf(s, "%s@", event->action);
1484 NETLINK_CB(event->skb).dst_group = 1;
1485 broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1490 static irqreturn_t button_handler(int irq, void *dev_id)
1495 in = bcm47xx_gpio_in(~0) & platform.button_mask;
1496 bcm47xx_gpio_polarity(platform.button_mask, in);
1497 changed = platform.button_polarity ^ in;
1498 platform.button_polarity = in;
1500 changed &= ~bcm47xx_gpio_outen(0, 0);
1502 for (b = platform.buttons; b->name; b++) {
1503 struct event_t *event;
1505 if (!(b->gpio & changed)) continue;
1509 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1510 event->seen = (jiffies - b->seen)/HZ;
1511 event->name = b->name;
1512 event->action = b->pressed ? "pressed" : "released";
1513 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1514 schedule_work(&event->wq);
1522 static void register_buttons(struct button_t *b)
1524 for (; b->name; b++)
1525 platform.button_mask |= b->gpio;
1527 platform.button_mask &= ~gpiomask;
1529 bcm47xx_gpio_outen(platform.button_mask, 0);
1530 bcm47xx_gpio_control(platform.button_mask, 0);
1531 platform.button_polarity = bcm47xx_gpio_in(~0) & platform.button_mask;
1532 bcm47xx_gpio_polarity(platform.button_mask, platform.button_polarity);
1533 bcm47xx_gpio_intmask(platform.button_mask, platform.button_mask);
1535 gpio_set_irqenable(1, button_handler);
1538 static void unregister_buttons(struct button_t *b)
1540 bcm47xx_gpio_intmask(platform.button_mask, 0);
1542 gpio_set_irqenable(0, button_handler);
1546 static void add_msg(struct event_t *event, char *msg, int argv)
1553 s = skb_put(event->skb, strlen(msg) + 1);
1557 static int fill_event (struct event_t *event)
1559 static char buf[128];
1561 add_msg(event, "HOME=/", 0);
1562 add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1563 add_msg(event, "SUBSYSTEM=button", 0);
1564 snprintf(buf, 128, "ACTION=%s", event->action);
1565 add_msg(event, buf, 0);
1566 snprintf(buf, 128, "BUTTON=%s", event->name);
1567 add_msg(event, buf, 0);
1568 snprintf(buf, 128, "SEEN=%ld", event->seen);
1569 add_msg(event, buf, 0);
1570 snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1571 add_msg(event, buf, 0);
1577 * This should be extended to allow the platform to specify the pins and width
1578 * of the shift register. They're hardcoded for now because only the WNDR3700v3
1581 static void shiftreg_output(unsigned int val)
1585 bcm47xx_gpio_out(SHIFTREG_DATA, SHIFTREG_DATA); /* init off, pull high */
1586 bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* init reset */
1589 for(mask = 1 << (SHIFTREG_MAX_BITS-1); mask; mask >>= 1)
1591 bcm47xx_gpio_out(SHIFTREG_DATA, (val & mask) ? SHIFTREG_DATA : 0);
1592 bcm47xx_gpio_out(SHIFTREG_CLK, SHIFTREG_CLK); /* pull high to trigger */
1593 bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* reset to low */
1597 static void set_led_shift(struct led_t *led)
1599 static u32 shiftreg = 0;
1601 u32 pin = (led->gpio & ~GPIO_TYPE_MASK);
1609 /* Clock the bits out. */
1610 if (shiftreg != old) {
1611 shiftreg_output(shiftreg);
1615 static void set_led_extif(struct led_t *led)
1617 volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (led->gpio & ~GPIO_TYPE_MASK);
1625 static void led_flash(unsigned long dummy) {
1630 for (l = platform.leds; l->name; l++) {
1631 if (!l->flash) continue;
1632 switch (l->gpio & GPIO_TYPE_MASK) {
1633 case GPIO_TYPE_EXTIF:
1635 l->state = !l->state;
1638 case GPIO_TYPE_SHIFT:
1640 l->state = !l->state;
1643 case GPIO_TYPE_NORMAL:
1652 u32 val = ~bcm47xx_gpio_in(~0);
1654 bcm47xx_gpio_outen(mask, mask);
1655 bcm47xx_gpio_control(mask, 0);
1656 bcm47xx_gpio_out(mask, val);
1658 if (mask || extif_blink) {
1659 mod_timer(&led_timer, jiffies + FLASH_TIME);
1663 static int diag_led_show(struct seq_file *m, void *v)
1665 struct led_t * led = m->private;
1667 u8 p = (led->polarity == NORMAL ? 0 : 1);
1669 return seq_printf(m, "f\n");
1670 } else if ((led->gpio & GPIO_TYPE_MASK) != GPIO_TYPE_NORMAL) {
1671 return seq_printf(m, "%d\n", ((led->state ^ p) ? 1 : 0));
1673 u32 in = (bcm47xx_gpio_in(~0) & led->gpio ? 1 : 0);
1674 return seq_printf(m, "%d\n", ((in ^ p) ? 1 : 0));
1678 static int diag_led_open(struct inode *inode, struct file *file)
1680 return single_open(file, diag_led_show, PDE_DATA(inode));
1683 static ssize_t diag_led_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1685 struct led_t *led = PDE_DATA(file_inode(file));
1690 len = min(count, sizeof(cmd) - 1);
1691 if (copy_from_user(cmd, buf, len))
1696 p = (led->polarity == NORMAL ? 0 : 1);
1697 if (cmd[0] == 'f') {
1702 if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_EXTIF) {
1703 led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1705 } else if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_SHIFT) {
1706 led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1709 bcm47xx_gpio_outen(led->gpio, led->gpio);
1710 bcm47xx_gpio_control(led->gpio, 0);
1711 bcm47xx_gpio_out(led->gpio, ((p ^ (cmd[0] == '1')) ? led->gpio : 0));
1717 static const struct file_operations diag_led_fops = {
1718 .open = diag_led_open,
1720 .llseek = seq_lseek,
1721 .write = diag_led_write
1724 static void register_leds(struct led_t *l)
1726 struct proc_dir_entry *p;
1731 leds = proc_mkdir("led", diag);
1735 for(; l->name; l++) {
1736 if (l->gpio & gpiomask)
1739 switch (l->gpio & GPIO_TYPE_MASK) {
1740 case GPIO_TYPE_EXTIF:
1744 case GPIO_TYPE_SHIFT:
1745 mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1746 oe_mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1747 l->state = (l->polarity != NORMAL);
1750 case GPIO_TYPE_NORMAL:
1752 if (l->polarity != INPUT) oe_mask |= l->gpio;
1754 val |= (l->polarity == NORMAL)?0:l->gpio;
1758 if (l->polarity == INPUT) continue;
1760 p = proc_create_data(l->name, S_IRUSR, leds, &diag_led_fops, l);
1763 bcm47xx_gpio_outen(mask, oe_mask);
1764 bcm47xx_gpio_control(mask, 0);
1765 bcm47xx_gpio_out(mask, val);
1766 bcm47xx_gpio_intmask(mask, 0);
1769 static void unregister_leds(struct led_t *l)
1772 remove_proc_entry(l->name, leds);
1774 remove_proc_entry("led", diag);
1777 static int diag_model_show(struct seq_file *m, void *v)
1779 return seq_printf(m, "%s\n", platform.name);
1782 static int diag_model_open(struct inode *inode, struct file *file)
1784 return single_open(file, diag_model_show, PDE_DATA(inode));
1787 static const struct file_operations diag_model_fops = {
1788 .open = diag_model_open,
1793 static int diag_gpiomask_show(struct seq_file *m, void *v)
1795 return seq_printf(m, "0x%04x\n", gpiomask);
1798 static int diag_gpiomask_open(struct inode *inode, struct file *file)
1800 return single_open(file, diag_gpiomask_show, PDE_DATA(inode));
1803 static ssize_t diag_gpiomask_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1805 int err = kstrtouint_from_user(buf, count, 0, &gpiomask);
1809 if (platform.buttons) {
1810 unregister_buttons(platform.buttons);
1811 register_buttons(platform.buttons);
1814 if (platform.leds) {
1815 unregister_leds(platform.leds);
1816 register_leds(platform.leds);
1822 static const struct file_operations diag_gpiomask_fops = {
1823 .open = diag_gpiomask_open,
1825 .llseek = seq_lseek,
1826 .write = diag_gpiomask_write
1829 static int __init diag_init(void)
1831 static struct proc_dir_entry *p;
1832 static struct platform_t *detected;
1834 detected = platform_detect();
1836 printk(MODULE_NAME ": Router model not detected.\n");
1839 memcpy(&platform, detected, sizeof(struct platform_t));
1841 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1842 if (platform.platform_init != NULL) {
1843 platform.platform_init();
1846 if (!(diag = proc_mkdir("diag", NULL))) {
1847 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1851 p = proc_create("model", S_IRUSR, diag, &diag_model_fops);
1853 remove_proc_entry("diag", NULL);
1857 p = proc_create("gpiomask", S_IRUSR | S_IWUSR, diag, &diag_gpiomask_fops);
1859 remove_proc_entry("model", diag);
1860 remove_proc_entry("diag", NULL);
1864 if (platform.buttons)
1865 register_buttons(platform.buttons);
1868 register_leds(platform.leds);
1873 static void __exit diag_exit(void)
1875 del_timer(&led_timer);
1877 if (platform.buttons)
1878 unregister_buttons(platform.buttons);
1881 unregister_leds(platform.leds);
1883 remove_proc_entry("model", diag);
1884 remove_proc_entry("gpiomask", diag);
1885 remove_proc_entry("diag", NULL);
1888 module_init(diag_init);
1889 module_exit(diag_exit);
1891 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1892 MODULE_LICENSE("GPL");