2 * diag.c - GPIO interface driver for Broadcom boards
4 * Copyright (C) 2006 Mike Baker <mbm@openwrt.org>,
5 * Felix Fietkau <nbd@openwrt.org>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * 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>
31 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
32 #include <linux/kobject.h>
33 #include <linux/workqueue.h>
34 #define hotplug_path uevent_helper
36 #include <linux/tqueue.h>
37 #define INIT_WORK INIT_TQUEUE
38 #define schedule_work schedule_task
39 #define work_struct tq_struct
44 #define getvar(str) (nvram_get(str)?:"")
46 static unsigned int gpiomask = 0;
47 module_param(gpiomask, int, 0644);
109 static void __init bcm4780_init(void) {
112 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
113 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
114 gpio_outen(pin, pin);
115 gpio_control(pin, 0);
118 /* Wait 5s, so the HDD can spin up */
119 set_current_state(TASK_INTERRUPTIBLE);
120 schedule_timeout(HZ * 5);
123 static struct platform_t __initdata platforms[] = {
126 .name = "Linksys WAP54G V1",
128 { .name = "reset", .gpio = 1 << 0 },
131 { .name = "diag", .gpio = 1 << 3 },
132 { .name = "wlan", .gpio = 1 << 4 },
136 .name = "Linksys WAP54G V3",
138 /* FIXME: verify this */
139 { .name = "reset", .gpio = 1 << 7 },
140 { .name = "ses", .gpio = 1 << 0 },
144 { .name = "ses", .gpio = 1 << 1 },
148 .name = "Linksys WRT54G V1.x",
150 { .name = "reset", .gpio = 1 << 6 },
153 { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
154 { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
158 .name = "Linksys WRT54G/GS/GL",
160 { .name = "reset", .gpio = 1 << 6 },
161 { .name = "ses", .gpio = 1 << 4 },
164 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
165 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
166 { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
167 { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
168 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
172 .name = "Linksys WRTSL54GS",
174 { .name = "reset", .gpio = 1 << 6 },
175 { .name = "ses", .gpio = 1 << 4 },
178 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
179 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
180 { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
181 { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
185 .name = "Linksys WRT54G3G",
187 { .name = "reset", .gpio = 1 << 6 },
188 { .name = "3g", .gpio = 1 << 4 },
191 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
192 { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
193 { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
194 { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
195 { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
199 .name = "Linksys WRT350N",
201 { .name = "reset", .gpio = 1 << 6 },
202 { .name = "ses", .gpio = 1 << 8 },
205 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
206 { .name = "ses", .gpio = 1 << 3, .polarity = REVERSE },
211 .name = "ASUS WL-HDD",
213 { .name = "reset", .gpio = 1 << 6 },
216 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
217 { .name = "usb", .gpio = 1 << 2, .polarity = NORMAL },
221 .name = "ASUS WL-300g",
223 { .name = "reset", .gpio = 1 << 6 },
226 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
230 .name = "ASUS WL-500g",
232 { .name = "reset", .gpio = 1 << 6 },
235 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
239 .name = "ASUS WL-500g Deluxe",
241 { .name = "reset", .gpio = 1 << 6 },
244 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
248 .name = "ASUS WL-500g Premium",
250 { .name = "reset", .gpio = 1 << 0 },
251 { .name = "ses", .gpio = 1 << 4 },
254 { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
258 .name = "ASUS WL-500W",
260 { .name = "reset", .gpio = 1 << 6 },
261 { .name = "ses", .gpio = 1 << 7 },
264 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
268 .name = "ASUS (unknown, BCM4702)",
270 { .name = "reset", .gpio = 1 << 6 },
273 { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
277 .name = "ASUS WL-700gE",
279 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
280 { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
281 { .name = "power", .gpio = 1 << 0 }, // on front
282 { .name = "copy", .gpio = 1 << 6 }, // on front
286 // GPIO that controls power led also enables/disables some essential functions
289 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
291 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
293 .platform_init = bcm4780_init,
297 .name = "Buffalo WHR-G54S",
299 { .name = "reset", .gpio = 1 << 4 },
300 { .name = "bridge", .gpio = 1 << 5 },
301 { .name = "ses", .gpio = 1 << 0 },
304 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
305 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
306 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
307 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
308 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
312 .name = "Buffalo WBR2-G54",
315 { .name = "reset", .gpio = 1 << 7 },
318 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
322 .name = "Buffalo WHR-HP-G54",
324 { .name = "reset", .gpio = 1 << 4 },
325 { .name = "bridge", .gpio = 1 << 5 },
326 { .name = "ses", .gpio = 1 << 0 },
329 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
330 { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
331 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
332 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
333 { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
337 .name = "Buffalo WHR2-A54G54",
339 { .name = "reset", .gpio = 1 << 4 },
342 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
346 .name = "Buffalo WLA2-G54L",
349 { .name = "reset", .gpio = 1 << 7 },
352 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
356 .name = "Buffalo WZR-G300N",
358 { .name = "reset", .gpio = 1 << 4 },
361 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
362 { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
363 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
367 .name = "Buffalo WZR-RS-G54",
369 { .name = "ses", .gpio = 1 << 0 },
370 { .name = "reset", .gpio = 1 << 4 },
373 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
374 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
375 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
379 .name = "Buffalo WZR-RS-G54HP",
381 { .name = "ses", .gpio = 1 << 0 },
382 { .name = "reset", .gpio = 1 << 4 },
385 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
386 { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
387 { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
390 [BUFFALO_UNKNOWN] = {
391 .name = "Buffalo (unknown)",
393 { .name = "reset", .gpio = 1 << 7 },
396 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
399 [BUFFALO_UNKNOWN_4710] = {
400 .name = "Buffalo (unknown, BCM4710)",
402 { .name = "reset", .gpio = 1 << 4 },
405 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
410 .name = "Siemens SE505 V1",
412 /* No usable buttons */
415 { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE },
416 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
420 .name = "Siemens SE505 V2",
422 /* No usable buttons */
425 { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
426 { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
427 { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
432 .name = "U.S. Robotics USR5461",
434 /* No usable buttons */
437 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
438 { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
443 .name = "Dell TrueMobile 2300",
445 { .name = "reset", .gpio = 1 << 0 },
448 { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
449 { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
454 .name = "Motorola WE800G",
456 { .name = "reset", .gpio = 1 << 0 },
459 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
460 { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
461 { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
465 .name = "Motorola WR850G V1",
467 { .name = "reset", .gpio = 1 << 0 },
470 { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
471 { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
472 { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
473 { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
474 { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
478 .name = "Motorola WR850G V2/V3",
480 { .name = "reset", .gpio = 1 << 5 },
483 { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
484 { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
485 { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
486 { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
491 .name = "Belkin (unknown)",
492 /* FIXME: verify & add detection */
494 { .name = "reset", .gpio = 1 << 7 },
497 { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
498 { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
499 { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
504 .name = "Netgear WGT634U",
506 { .name = "reset", .gpio = 1 << 2 },
509 { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
514 .name = "Trendware TEW411BRP+",
516 { /* No usable buttons */ },
519 { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
520 { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
521 { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
526 .name = "SimpleTech SimpleShare NAS",
528 { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
529 { .name = "power", .gpio = 1 << 0 }, // on back
532 { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
534 .platform_init = bcm4780_init,
538 static struct platform_t __init *platform_detect(void)
540 char *boardnum, *boardtype, *buf;
542 boardnum = getvar("boardnum");
543 boardtype = getvar("boardtype");
545 if (strcmp(getvar("nvram_type"), "cfe") == 0)
546 return &platforms[WGT634U];
548 if (strncmp(getvar("model_no"), "WL700",5) == 0)
549 return &platforms[WL700GE];
551 if (strncmp(getvar("pmon_ver"), "CFE", 3) == 0) {
552 /* CFE based - newer hardware */
553 if (!strcmp(boardnum, "42")) { /* Linksys */
554 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
555 return &platforms[WRT350N];
557 if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
558 return &platforms[WRT54G3G];
560 if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
561 return &platforms[WRTSL54GS];
563 /* default to WRT54G */
564 return &platforms[WRT54G];
567 if (!strcmp(boardnum, "45")) { /* ASUS */
568 if (!strcmp(boardtype,"0x042f"))
569 return &platforms[WL500GP];
570 else if (!strcmp(boardtype,"0x0472"))
571 return &platforms[WL500W];
573 return &platforms[WL500GD];
576 if (!strcmp(boardnum, "10496"))
577 return &platforms[USR5461];
578 } else { /* PMON based - old stuff */
580 /* Dell TrueMobile 2300 */
581 if (!strcmp(getvar("ModelId"),"WX-5565"))
582 return &platforms[TM2300];
584 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
585 (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
586 if (!strncmp(getvar("ModelId"),"WE800G", 6))
587 return &platforms[WE800G];
589 return &platforms[WR850GV1];
591 if (!strncmp(boardtype, "bcm94710dev", 11)) {
592 if (!strcmp(boardnum, "42"))
593 return &platforms[WRT54GV1];
594 if (simple_strtoul(boardnum, NULL, 0) == 2)
595 return &platforms[WAP54GV1];
597 if (!strncmp(getvar("hardware_version"), "WL500-", 6))
598 return &platforms[WL500G];
599 if (!strncmp(getvar("hardware_version"), "WL300-", 6)) {
600 /* Either WL-300g or WL-HDD, do more extensive checks */
601 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
602 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
603 return &platforms[WLHDD];
604 if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
605 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
606 return &platforms[WL300G];
609 /* unknown asus stuff, probably bcm4702 */
610 if (!strncmp(boardnum, "asusX", 5))
611 return &platforms[ASUS_4702];
614 if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
615 /* Buffalo hardware, check id for specific hardware matches */
616 if (!strcmp(buf, "29bb0332"))
617 return &platforms[WBR2_G54];
618 if (!strcmp(buf, "29129"))
619 return &platforms[WLA2_G54L];
620 if (!strcmp(buf, "30189"))
621 return &platforms[WHR_HP_G54];
622 if (!strcmp(buf, "30182"))
623 return &platforms[WHR_G54S];
624 if (!strcmp(buf, "290441dd"))
625 return &platforms[WHR2_A54G54];
626 if (!strcmp(buf, "31120"))
627 return &platforms[WZR_G300N];
628 if (!strcmp(buf, "30083"))
629 return &platforms[WZR_RS_G54];
630 if (!strcmp(buf, "30103"))
631 return &platforms[WZR_RS_G54HP];
634 if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
635 if (!strncmp(boardtype, "bcm94710ap", 10))
636 return &platforms[BUFFALO_UNKNOWN_4710];
638 return &platforms[BUFFALO_UNKNOWN];
641 if (!strcmp(getvar("CFEver"), "MotoWRv203") ||
642 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
644 return &platforms[WR850GV2V3];
647 if (!strcmp(boardnum, "44")) { /* Trendware TEW-411BRP+ */
648 return &platforms[TEW411BRPP];
651 if (!strncmp(boardnum, "04FN52", 6)) /* SimpleTech SimpleShare */
652 return &platforms[STI_NAS];
658 static void register_buttons(struct button_t *b)
661 platform.button_mask |= b->gpio;
663 platform.button_mask &= ~gpiomask;
665 gpio_outen(platform.button_mask, 0);
666 gpio_control(platform.button_mask, 0);
667 platform.button_polarity = gpio_in() & platform.button_mask;
668 gpio_intpolarity(platform.button_mask, platform.button_polarity);
669 gpio_intmask(platform.button_mask, platform.button_mask);
671 gpio_set_irqenable(1, button_handler);
674 static void unregister_buttons(struct button_t *b)
676 gpio_intmask(platform.button_mask, 0);
678 gpio_set_irqenable(0, button_handler);
681 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
682 static void hotplug_button(struct work_struct *work)
684 struct event_t *event = container_of(work, struct event_t, wq);
686 static void hotplug_button(struct event_t *event)
689 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
690 call_usermodehelper (event->argv[0], event->argv, event->envp, 1);
692 call_usermodehelper (event->argv[0], event->argv, event->envp);
697 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
702 in = gpio_in() & platform.button_mask;
703 gpio_intpolarity(platform.button_mask, in);
704 changed = platform.button_polarity ^ in;
705 platform.button_polarity = in;
707 changed &= ~gpio_outen(0, 0);
709 for (b = platform.buttons; b->name; b++) {
710 struct event_t *event;
712 if (!(b->gpio & changed)) continue;
716 if ((event = (struct event_t *)kmalloc (sizeof(struct event_t), GFP_ATOMIC))) {
718 char *scratch = event->buf;
721 event->argv[i++] = hotplug_path;
722 event->argv[i++] = "button";
726 event->envp[i++] = "HOME=/";
727 event->envp[i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
728 event->envp[i++] = scratch;
729 scratch += sprintf (scratch, "ACTION=%s", b->pressed?"pressed":"released") + 1;
730 event->envp[i++] = scratch;
731 scratch += sprintf (scratch, "BUTTON=%s", b->name) + 1;
732 event->envp[i++] = scratch;
733 scratch += sprintf (scratch, "SEEN=%ld", (jiffies - b->seen)/HZ) + 1;
736 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
737 INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
739 INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
741 schedule_work(&event->wq);
749 static void register_leds(struct led_t *l)
751 struct proc_dir_entry *p;
755 leds = proc_mkdir("led", diag);
759 for(; l->name; l++) {
760 if (l->gpio & gpiomask)
763 if (l->gpio & GPIO_TYPE_EXTIF) {
768 val |= (l->polarity == NORMAL)?0:l->gpio;
771 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
772 l->proc.type = PROC_LED;
774 p->data = (void *) &l->proc;
775 p->proc_fops = &diag_proc_fops;
779 gpio_outen(mask, mask);
780 gpio_control(mask, 0);
784 static void unregister_leds(struct led_t *l)
787 remove_proc_entry(l->name, leds);
789 remove_proc_entry("led", diag);
792 static void set_led_extif(struct led_t *led)
794 gpio_set_extif(led->gpio, led->state);
797 static void led_flash(unsigned long dummy) {
802 for (l = platform.leds; l->name; l++) {
804 if (l->gpio & GPIO_TYPE_EXTIF) {
806 l->state = !l->state;
816 u32 val = ~gpio_in();
818 gpio_outen(mask, mask);
819 gpio_control(mask, 0);
822 if (mask || extif_blink) {
823 mod_timer(&led_timer, jiffies + FLASH_TIME);
827 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
830 struct inode *inode = file->f_dentry->d_inode;
831 struct proc_dir_entry *dent = inode->u.generic_ip;
833 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
838 if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
841 if (dent->data != NULL) {
842 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
843 switch (handler->type) {
845 struct led_t * led = (struct led_t *) handler->ptr;
847 len = sprintf(page, "f\n");
849 if (led->gpio & GPIO_TYPE_EXTIF) {
850 len = sprintf(page, "%d\n", led->state);
852 u32 in = (gpio_in() & led->gpio ? 1 : 0);
853 u8 p = (led->polarity == NORMAL ? 0 : 1);
854 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
860 len = sprintf(page, "%s\n", platform.name);
863 len = sprintf(page, "0x%04x\n", gpiomask);
870 len = min_t(int, len - *ppos, count);
871 if (copy_to_user(buf, (page + *ppos), len)) {
884 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
887 struct inode *inode = file->f_dentry->d_inode;
888 struct proc_dir_entry *dent = inode->u.generic_ip;
890 struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
895 if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
898 if (copy_from_user(page, buf, count)) {
904 if (dent->data != NULL) {
905 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
906 switch (handler->type) {
908 struct led_t *led = (struct led_t *) handler->ptr;
909 int p = (led->polarity == NORMAL ? 0 : 1);
911 if (page[0] == 'f') {
916 if (led->gpio & GPIO_TYPE_EXTIF) {
917 led->state = p ^ ((page[0] == '1') ? 1 : 0);
920 gpio_outen(led->gpio, led->gpio);
921 gpio_control(led->gpio, 0);
922 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
928 gpiomask = simple_strtoul(page, NULL, 0);
930 if (platform.buttons) {
931 unregister_buttons(platform.buttons);
932 register_buttons(platform.buttons);
936 unregister_leds(platform.leds);
937 register_leds(platform.leds);
948 static int __init diag_init(void)
950 static struct proc_dir_entry *p;
951 static struct platform_t *detected;
953 detected = platform_detect();
955 printk(MODULE_NAME ": Router model not detected.\n");
958 memcpy(&platform, detected, sizeof(struct platform_t));
960 printk(MODULE_NAME ": Detected '%s'\n", platform.name);
961 if (platform.platform_init != NULL) {
962 platform.platform_init();
965 if (!(diag = proc_mkdir("diag", NULL))) {
966 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
970 if ((p = create_proc_entry("model", S_IRUSR, diag))) {
971 p->data = (void *) &proc_model;
972 p->proc_fops = &diag_proc_fops;
975 if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
976 p->data = (void *) &proc_gpiomask;
977 p->proc_fops = &diag_proc_fops;
980 if (platform.buttons)
981 register_buttons(platform.buttons);
984 register_leds(platform.leds);
989 static void __exit diag_exit(void)
992 del_timer(&led_timer);
994 if (platform.buttons)
995 unregister_buttons(platform.buttons);
998 unregister_leds(platform.leds);
1000 remove_proc_entry("model", diag);
1001 remove_proc_entry("gpiomask", diag);
1002 remove_proc_entry("diag", NULL);
1005 module_init(diag_init);
1006 module_exit(diag_exit);
1008 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1009 MODULE_LICENSE("GPL");