Root/package/broadcom-diag/src/diag.c

1/*
2 * diag.c - GPIO interface driver for Broadcom boards
3 *
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>
7 *
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.
12 *
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.
17 *
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.
21 *
22 */
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
31#ifndef LINUX_2_4
32#include <linux/workqueue.h>
33#include <linux/skbuff.h>
34#include <linux/netlink.h>
35#include <net/sock.h>
36extern struct sock *uevent_sock;
37extern u64 uevent_next_seqnum(void);
38#else
39#include <linux/tqueue.h>
40#define INIT_WORK INIT_TQUEUE
41#define schedule_work schedule_task
42#define work_struct tq_struct
43#endif
44
45#include "gpio.h"
46#include "diag.h"
47#define getvar(str) (nvram_get(str)?:"")
48
49static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
50static int fill_event(struct event_t *);
51static unsigned int gpiomask = 0;
52module_param(gpiomask, int, 0644);
53
54enum {
55    /* Linksys */
56    WAP54GV1,
57    WAP54GV2,
58    WAP54GV3,
59    WRT54GV1,
60    WRT54G,
61    WRTSL54GS,
62    WRT54G3G,
63    WRT160N,
64    WRT300NV11,
65    WRT350N,
66    WRT600N,
67    WRT600NV11,
68    WRT610N,
69
70    /* ASUS */
71    WLHDD,
72    WL300G,
73    WL320GE,
74    WL330GE,
75    WL500G,
76    WL500GD,
77    WL500GP,
78    WL500GPV2,
79    WL500W,
80    WL520GC,
81    WL520GU,
82    ASUS_4702,
83    WL700GE,
84
85    /* Buffalo */
86    WBR2_G54,
87    WHR_G54S,
88    WHR_HP_G54,
89    WHR_G125,
90    WHR2_A54G54,
91    WLA2_G54L,
92    WZR_G300N,
93    WZR_RS_G54,
94    WZR_RS_G54HP,
95    BUFFALO_UNKNOWN,
96    BUFFALO_UNKNOWN_4710,
97
98    /* Siemens */
99    SE505V1,
100    SE505V2,
101
102    /* US Robotics */
103    USR5461,
104
105    /* Dell */
106    TM2300,
107    TM2300V2,
108
109    /* Motorola */
110    WE800G,
111    WR850GV1,
112    WR850GV2V3,
113    WR850GP,
114
115    /* Belkin */
116    BELKIN_UNKNOWN,
117
118    /* Netgear */
119    WGT634U,
120
121    /* Trendware */
122    TEW411BRPP,
123
124    /* SimpleTech */
125    STI_NAS,
126
127    /* D-Link */
128    DIR130,
129    DIR320,
130    DIR330,
131    DWL3150,
132
133    /* Sitecom */
134    WL105B,
135
136    /* Western Digital */
137    WDNetCenter,
138
139    /* Askey */
140    RT210W,
141
142    /* OvisLink */
143    WL1600GL,
144
145    /* Microsoft */
146    MN700,
147};
148
149static void __init bcm4780_init(void) {
150        int pin = 1 << 3;
151
152        /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
153        printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
154        gpio_outen(pin, pin);
155        gpio_control(pin, 0);
156        gpio_out(pin, pin);
157
158        /* Wait 5s, so the HDD can spin up */
159        set_current_state(TASK_INTERRUPTIBLE);
160        schedule_timeout(HZ * 5);
161}
162
163static void __init NetCenter_init(void) {
164        /* unset pin 6 (+12V) */
165        int pin = 1 << 6;
166        gpio_outen(pin, pin);
167        gpio_control(pin, 0);
168        gpio_out(pin, pin);
169        /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
170        pin = 1 << 1;
171        gpio_outen(pin, pin);
172        gpio_control(pin, 0);
173        gpio_out(pin, pin);
174        /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
175        bcm4780_init();
176}
177
178static void __init bcm57xx_init(void) {
179    int pin = 1 << 2;
180
181#ifndef LINUX_2_4
182    /* FIXME: switch comes up, but port mappings/vlans not right */
183    gpio_outen(pin, pin);
184    gpio_control(pin, 0);
185    gpio_out(pin, pin);
186#endif
187}
188
189static struct platform_t __initdata platforms[] = {
190    /* Linksys */
191    [WAP54GV1] = {
192        .name = "Linksys WAP54G V1",
193        .buttons = {
194            { .name = "reset", .gpio = 1 << 0 },
195        },
196        .leds = {
197            { .name = "diag", .gpio = 1 << 3 },
198            { .name = "wlan", .gpio = 1 << 4 },
199        },
200    },
201    [WAP54GV2] = {
202        .name = "Linksys WAP54G V2",
203        .buttons = {
204            { .name = "reset", .gpio = 1 << 0 },
205        },
206        .leds = {
207            { .name = "wlan", .gpio = 1 << 5, .polarity = REVERSE },
208            /* GPIO 6 is b44 (eth0, LAN) PHY power */
209        },
210    },
211    [WAP54GV3] = {
212        .name = "Linksys WAP54G V3",
213        .buttons = {
214            /* FIXME: verify this */
215            { .name = "reset", .gpio = 1 << 7 },
216            { .name = "ses", .gpio = 1 << 0 },
217        },
218        .leds = {
219            /* FIXME: diag? */
220            { .name = "ses", .gpio = 1 << 1 },
221        },
222    },
223    [WRT54GV1] = {
224        .name = "Linksys WRT54G V1.x",
225        .buttons = {
226            { .name = "reset", .gpio = 1 << 6 },
227        },
228        .leds = {
229            { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
230            { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
231        },
232    },
233    [WRT54G] = {
234        .name = "Linksys WRT54G/GS/GL",
235        .buttons = {
236            { .name = "reset", .gpio = 1 << 6 },
237            { .name = "ses", .gpio = 1 << 4 },
238        },
239        .leds = {
240            { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
241            { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
242            { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
243            { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
244            { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
245        },
246    },
247    [WRTSL54GS] = {
248        .name = "Linksys WRTSL54GS",
249        .buttons = {
250            { .name = "reset", .gpio = 1 << 6 },
251            { .name = "ses", .gpio = 1 << 4 },
252        },
253        .leds = {
254            { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
255            { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
256            { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
257            { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
258        },
259    },
260    [WRT54G3G] = {
261        .name = "Linksys WRT54G3G",
262        .buttons = {
263            { .name = "reset", .gpio = 1 << 6 },
264            { .name = "3g", .gpio = 1 << 4 },
265        },
266        .leds = {
267            { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
268            { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
269            { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
270            { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
271            { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
272        },
273    },
274    [WRT160N] = {
275        .name = "Linksys WRT160N",
276        .buttons = {
277            { .name = "reset", .gpio = 1 << 6 },
278            { .name = "ses", .gpio = 1 << 4 },
279        },
280        .leds = {
281            { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
282            { .name = "ses_blue", .gpio = 1 << 5, .polarity = REVERSE },
283            { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
284        },
285    },
286    [WRT300NV11] = {
287        .name = "Linksys WRT300N V1.1",
288        .buttons = {
289            { .name = "reset", .gpio = 1 << 6 }, // "Reset" on back panel
290            { .name = "ses", .gpio = 1 << 4 }, // "Reserved" on top panel
291        },
292        .leds = {
293            { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // "Power"
294            { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
295            { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
296        },
297        .platform_init = bcm57xx_init,
298    },
299    [WRT350N] = {
300        .name = "Linksys WRT350N",
301        .buttons = {
302            { .name = "reset", .gpio = 1 << 6 },
303            { .name = "ses", .gpio = 1 << 8 },
304        },
305        .leds = {
306            { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
307            { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
308            { .name = "ses_green", .gpio = 1 << 9, .polarity = REVERSE },
309            { .name = "usb_blink", .gpio = 1 << 10, .polarity = REVERSE },
310            { .name = "usb", .gpio = 1 << 11, .polarity = REVERSE },
311        },
312        .platform_init = bcm57xx_init,
313    },
314    [WRT600N] = {
315        .name = "Linksys WRT600N",
316        .buttons = {
317            { .name = "reset", .gpio = 1 << 6 },
318            { .name = "ses", .gpio = 1 << 7 },
319        },
320        .leds = {
321            { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
322            { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
323            { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
324            { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
325            { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
326            { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
327        },
328        .platform_init = bcm57xx_init,
329    },
330    [WRT600NV11] = {
331        .name = "Linksys WRT600N V1.1",
332        .buttons = {
333            { .name = "reset", .gpio = 1 << 6 },
334            { .name = "ses", .gpio = 1 << 7 },
335        },
336        .leds = {
337            { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
338            { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
339            { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
340            { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
341            { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
342            { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
343        },
344        .platform_init = bcm57xx_init,
345    },
346    [WRT610N] = {
347        .name = "Linksys WRT610N",
348        .buttons = {
349            { .name = "reset", .gpio = 1 << 6 },
350            { .name = "ses", .gpio = 1 << 8 },
351        },
352        .leds = {
353            { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, // Power LED
354            { .name = "usb", .gpio = 1 << 0, .polarity = REVERSE }, // USB LED
355            { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // WiFi protected setup LED amber
356            { .name = "ses_blue", .gpio = 1 << 9, .polarity = REVERSE }, // WiFi protected setup LED blue
357        },
358    },
359    /* Asus */
360    [WLHDD] = {
361        .name = "ASUS WL-HDD",
362        .buttons = {
363            { .name = "reset", .gpio = 1 << 6 },
364        },
365        .leds = {
366            { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
367            { .name = "usb", .gpio = 1 << 2, .polarity = REVERSE },
368        },
369    },
370    [WL300G] = {
371        .name = "ASUS WL-300g",
372        .buttons = {
373            { .name = "reset", .gpio = 1 << 6 },
374        },
375        .leds = {
376            { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
377        },
378    },
379    [WL320GE] = {
380        .name = "ASUS WL-320gE/WL-320gP",
381        .buttons = {
382            { .name = "reset", .gpio = 1 << 6 },
383        },
384        .leds = {
385            { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
386            { .name = "power", .gpio = 1 << 2, .polarity = REVERSE },
387            { .name = "link", .gpio = 1 << 11, .polarity = REVERSE },
388        },
389    },
390    [WL330GE] = {
391        .name = "ASUS WL-330gE",
392        .buttons = {
393            { .name = "reset", .gpio = 1 << 2 },
394        },
395        .leds = {
396            { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
397        },
398    },
399    [WL500G] = {
400        .name = "ASUS WL-500g",
401        .buttons = {
402            { .name = "reset", .gpio = 1 << 6 },
403        },
404        .leds = {
405            { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
406        },
407    },
408    [WL500GD] = {
409        .name = "ASUS WL-500g Deluxe",
410        .buttons = {
411            { .name = "reset", .gpio = 1 << 6 },
412        },
413        .leds = {
414            { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
415        },
416    },
417    [WL500GP] = {
418        .name = "ASUS WL-500g Premium",
419        .buttons = {
420            { .name = "reset", .gpio = 1 << 0 },
421            { .name = "ses", .gpio = 1 << 4 },
422        },
423        .leds = {
424            { .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
425        },
426    },
427    [WL500GPV2] = {
428        .name = "ASUS WL-500g Premium V2",
429        .buttons = {
430            { .name = "reset", .gpio = 1 << 2 },
431            { .name = "ses", .gpio = 1 << 3 },
432        },
433        .leds = {
434            { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
435            { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
436        },
437    },
438    [WL500W] = {
439        .name = "ASUS WL-500W",
440        .buttons = {
441            { .name = "reset", .gpio = 1 << 6 },
442            { .name = "ses", .gpio = 1 << 7 },
443        },
444        .leds = {
445            { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
446        },
447    },
448    [WL520GC] = {
449        .name = "ASUS WL-520GC",
450        .buttons = {
451            { .name = "reset", .gpio = 1 << 2 },
452            { .name = "ses", .gpio = 1 << 3 },
453        },
454        .leds = {
455        { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
456            { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
457        },
458    },
459    [WL520GU] = {
460        .name = "ASUS WL-520gU",
461        .buttons = {
462            { .name = "reset", .gpio = 1 << 2 },
463            { .name = "ses", .gpio = 1 << 3 },
464        },
465        .leds = {
466            { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
467            { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
468        },
469    },
470    [ASUS_4702] = {
471        .name = "ASUS (unknown, BCM4702)",
472        .buttons = {
473            { .name = "reset", .gpio = 1 << 6 },
474        },
475        .leds = {
476            { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
477        },
478    },
479    [WL700GE] = {
480        .name = "ASUS WL-700gE",
481        .buttons = {
482            { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
483            { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
484            { .name = "power", .gpio = 1 << 0 }, // on front
485            { .name = "copy", .gpio = 1 << 6 }, // on front
486        },
487        .leds = {
488#if 0
489            // GPIO that controls power led also enables/disables some essential functions
490            // - power to HDD
491            // - switch leds
492            { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
493#endif
494            { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
495        },
496        .platform_init = bcm4780_init,
497    },
498    /* Buffalo */
499    [WHR_G54S] = {
500        .name = "Buffalo WHR-G54S",
501        .buttons = {
502            { .name = "reset", .gpio = 1 << 4 },
503            { .name = "bridge", .gpio = 1 << 5 },
504            { .name = "ses", .gpio = 1 << 0 },
505        },
506        .leds = {
507            { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
508            { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
509            { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
510            { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
511            { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
512        },
513    },
514    [WBR2_G54] = {
515        .name = "Buffalo WBR2-G54",
516        /* FIXME: verify */
517        .buttons = {
518            { .name = "reset", .gpio = 1 << 7 },
519        },
520        .leds = {
521            { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
522        },
523    },
524    [WHR_HP_G54] = {
525        .name = "Buffalo WHR-HP-G54",
526        .buttons = {
527            { .name = "reset", .gpio = 1 << 4 },
528            { .name = "bridge", .gpio = 1 << 5 },
529            { .name = "ses", .gpio = 1 << 0 },
530        },
531        .leds = {
532            { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
533            { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
534            { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
535            { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
536            { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
537        },
538    },
539    [WHR_G125] = {
540        .name = "Buffalo WHR-G125",
541        .buttons = {
542            { .name = "reset", .gpio = 1 << 4 },
543            { .name = "bridge", .gpio = 1 << 5 },
544            { .name = "ses", .gpio = 1 << 0 },
545        },
546        .leds = {
547            { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
548            { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
549            { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
550            { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
551            { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
552        },
553    },
554    [WHR2_A54G54] = {
555        .name = "Buffalo WHR2-A54G54",
556        .buttons = {
557            { .name = "reset", .gpio = 1 << 4 },
558        },
559        .leds = {
560            { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
561        },
562    },
563    [WLA2_G54L] = {
564        .name = "Buffalo WLA2-G54L",
565        /* FIXME: verify */
566        .buttons = {
567            { .name = "reset", .gpio = 1 << 7 },
568        },
569        .leds = {
570            { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
571        },
572    },
573    [WZR_G300N] = {
574        .name = "Buffalo WZR-G300N",
575        .buttons = {
576            { .name = "reset", .gpio = 1 << 4 },
577        },
578        .leds = {
579            { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
580            { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
581            { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
582        },
583    },
584    [WZR_RS_G54] = {
585        .name = "Buffalo WZR-RS-G54",
586        .buttons = {
587            { .name = "ses", .gpio = 1 << 0 },
588            { .name = "reset", .gpio = 1 << 4 },
589        },
590        .leds = {
591            { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
592            { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
593            { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
594        },
595    },
596    [WZR_RS_G54HP] = {
597        .name = "Buffalo WZR-RS-G54HP",
598        .buttons = {
599            { .name = "ses", .gpio = 1 << 0 },
600            { .name = "reset", .gpio = 1 << 4 },
601        },
602        .leds = {
603            { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
604            { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
605            { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
606        },
607    },
608    [BUFFALO_UNKNOWN] = {
609        .name = "Buffalo (unknown)",
610        .buttons = {
611            { .name = "reset", .gpio = 1 << 7 },
612        },
613        .leds = {
614            { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
615        },
616    },
617    [BUFFALO_UNKNOWN_4710] = {
618        .name = "Buffalo (unknown, BCM4710)",
619        .buttons = {
620            { .name = "reset", .gpio = 1 << 4 },
621        },
622        .leds = {
623            { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
624        },
625    },
626    /* Siemens */
627    [SE505V1] = {
628        .name = "Siemens SE505 V1",
629        .buttons = {
630            /* No usable buttons */
631        },
632        .leds = {
633// { .name = "power", .gpio = 1 << 0 .polarity = REVERSE }, // Usable when retrofitting D26 (?)
634            { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE }, // actual name WWW
635            { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
636        },
637    },
638    [SE505V2] = {
639        .name = "Siemens SE505 V2",
640        .buttons = {
641            /* No usable buttons */
642        },
643        .leds = {
644            { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
645            { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE }, // actual name WWW
646            { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
647        },
648    },
649    /* US Robotics */
650    [USR5461] = {
651        .name = "U.S. Robotics USR5461",
652        .buttons = {
653            /* No usable buttons */
654        },
655        .leds = {
656            { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
657            { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
658        },
659    },
660    /* Dell */
661    [TM2300] = {
662        .name = "Dell TrueMobile 2300",
663        .buttons = {
664            { .name = "reset", .gpio = 1 << 0 },
665        },
666        .leds = {
667            { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
668            { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
669        },
670    },
671    [TM2300V2] = {
672        .name = "Dell TrueMobile 2300 v2",
673        .buttons = {
674            { .name = "reset", .gpio = 1 << 0 },
675        },
676        .leds = {
677            { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
678            { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
679        },
680    },
681    /* Motorola */
682    [WE800G] = {
683        .name = "Motorola WE800G",
684        .buttons = {
685            { .name = "reset", .gpio = 1 << 0 },
686        },
687        .leds = {
688            { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
689            { .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
690            { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
691        },
692    },
693    [WR850GV1] = {
694        .name = "Motorola WR850G V1",
695        .buttons = {
696            { .name = "reset", .gpio = 1 << 0 },
697        },
698        .leds = {
699            { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
700            { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
701            { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
702            { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
703            { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
704        },
705    },
706    [WR850GV2V3] = {
707        .name = "Motorola WR850G V2/V3",
708        .buttons = {
709            { .name = "reset", .gpio = 1 << 5 },
710        },
711        .leds = {
712            { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
713            { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
714            { .name = "wan", .gpio = 1 << 6, .polarity = INPUT },
715            { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
716        },
717    },
718    [WR850GP] = {
719        .name = "Motorola WR850GP",
720        .buttons = {
721            { .name = "reset", .gpio = 1 << 5 },
722        },
723        .leds = {
724            { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
725            { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
726            { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
727            { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
728        },
729    },
730
731    /* Belkin */
732    [BELKIN_UNKNOWN] = {
733        .name = "Belkin (unknown)",
734        /* FIXME: verify & add detection */
735        .buttons = {
736            { .name = "reset", .gpio = 1 << 7 },
737        },
738        .leds = {
739            { .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
740            { .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
741            { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
742        },
743    },
744    /* Netgear */
745    [WGT634U] = {
746        .name = "Netgear WGT634U",
747        .buttons = {
748            { .name = "reset", .gpio = 1 << 2 },
749        },
750        .leds = {
751            { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
752        },
753    },
754    /* Trendware */
755    [TEW411BRPP] = {
756        .name = "Trendware TEW411BRP+",
757        .buttons = {
758            { /* No usable buttons */ },
759        },
760        .leds = {
761            { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
762            { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
763            { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
764        },
765    },
766    /* SimpleTech */
767    [STI_NAS] = {
768        .name = "SimpleTech SimpleShare NAS",
769        .buttons = {
770            { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
771            { .name = "power", .gpio = 1 << 0 }, // on back
772        },
773        .leds = {
774            { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
775        },
776        .platform_init = bcm4780_init,
777    },
778    /* D-Link */
779    [DIR130] = {
780        .name = "D-Link DIR-130",
781        .buttons = {
782            { .name = "reset", .gpio = 1 << 3},
783            { .name = "reserved", .gpio = 1 << 7},
784        },
785        .leds = {
786            { .name = "diag", .gpio = 1 << 0},
787            { .name = "blue", .gpio = 1 << 6},
788        },
789    },
790    [DIR320] = {
791        .name = "D-Link DIR-320",
792        .buttons = {
793            { .name = "reserved", .gpio = 1 << 6},
794            { .name = "reset", .gpio = 1 << 7},
795        },
796        .leds = {
797            { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
798            { .name = "diag", .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
799            { .name = "red", .gpio = 1 << 3, .polarity = REVERSE },
800            { .name = "blue", .gpio = 1 << 4, .polarity = REVERSE },
801            { .name = "usb", .gpio = 1 << 5, .polarity = NORMAL },
802        },
803    },
804    [DIR330] = {
805        .name = "D-Link DIR-330",
806        .buttons = {
807            { .name = "reset", .gpio = 1 << 3},
808            { .name = "reserved", .gpio = 1 << 7},
809        },
810        .leds = {
811            { .name = "diag", .gpio = 1 << 0},
812            { .name = "usb", .gpio = 1 << 4},
813            { .name = "blue", .gpio = 1 << 6},
814        },
815    },
816    [DWL3150] = {
817        .name = "D-Link DWL-3150",
818        .buttons = {
819            { .name = "reset", .gpio = 1 << 7},
820        },
821        .leds = {
822            { .name = "diag", .gpio = 1 << 2},
823            { .name = "status", .gpio = 1 << 1},
824        },
825    },
826    /* Double check */
827    [WL105B] = {
828        .name = "Sitecom WL-105b",
829        .buttons = {
830            { .name = "reset", .gpio = 1 << 10},
831        },
832        .leds = {
833            { .name = "wlan", .gpio = 1 << 4},
834            { .name = "power", .gpio = 1 << 3},
835        },
836    },
837    /* Western Digital Net Center */
838    [WDNetCenter] = {
839        .name = "Western Digital NetCenter",
840        .buttons = {
841            { .name = "power", .gpio = 1 << 0},
842            { .name = "reset", .gpio = 1 << 7},
843        },
844        .platform_init = NetCenter_init,
845    },
846    /* Askey (and clones) */
847    [RT210W] = {
848        .name = "Askey RT210W",
849        .buttons = {
850            /* Power button is hard-wired to hardware reset */
851            /* but is also connected to GPIO 7 (probably for bootloader recovery) */
852            { .name = "power", .gpio = 1 << 7},
853        },
854        .leds = {
855             /* These were verified and named based on Belkin F5D4230-4 v1112 */
856            { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
857            { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
858            { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
859        },
860    },
861    [WL1600GL] = {
862        .name = "OvisLink WL-1600GL",
863        .buttons = {
864            { .name = "reset", .gpio = 1 << 3 },
865            { .name = "ses", .gpio = 1 << 4 },
866        },
867        .leds = {
868            { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
869            { .name = "wps", .gpio = 1 << 2, .polarity = REVERSE },
870            { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
871            { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
872        },
873    },
874    /* Microsoft */
875    [MN700] = {
876        .name = "Microsoft MN-700",
877        .buttons = {
878            { .name = "reset", .gpio = 1 << 7 },
879        },
880        .leds = {
881            { .name = "power", .gpio = 1 << 6, .polarity = NORMAL },
882        },
883    },
884};
885
886static struct platform_t __init *platform_detect(void)
887{
888    char *boardnum, *boardtype, *buf;
889
890    if (strcmp(getvar("nvram_type"), "cfe") == 0)
891        return &platforms[WGT634U];
892
893    /* Look for a model identifier */
894
895    /* Based on "model_name" */
896    if ((buf = nvram_get("model_name"))) {
897        if (!strcmp(buf, "DIR-130"))
898            return &platforms[DIR130];
899        if (!strcmp(buf, "DIR-330"))
900            return &platforms[DIR330];
901    }
902
903    /* Based on "wsc_modelname */
904    if ((buf = nvram_get("wsc_modelname"))) {
905        if (!strcmp(buf, "WRT610N"))
906            return &platforms[WRT610N];
907    }
908
909    /* Based on "model_no" */
910    if ((buf = nvram_get("model_no"))) {
911        if (startswith(buf,"WL700")) /* WL700* */
912            return &platforms[WL700GE];
913    }
914
915    /* Based on "hardware_version" */
916    if ((buf = nvram_get("hardware_version"))) {
917        if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
918            return &platforms[WL500GPV2];
919        if (startswith(buf,"WL520GC-")) /* WL520GU-* */
920            return &platforms[WL520GC];
921        if (startswith(buf,"WL520GU-")) /* WL520GU-* */
922            return &platforms[WL520GU];
923        if (startswith(buf,"WL330GE-")) /* WL330GE-* */
924            return &platforms[WL330GE];
925    }
926
927    /* Based on "ModelId" */
928    if ((buf = nvram_get("ModelId"))) {
929        if (!strcmp(buf, "WR850GP"))
930            return &platforms[WR850GP];
931        if (!strcmp(buf, "WR850G"))
932            return &platforms[WR850GV2V3];
933        if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
934            return &platforms[TM2300]; /* Dell TrueMobile 2300 */
935        if (startswith(buf,"WE800G")) /* WE800G* */
936            return &platforms[WE800G];
937    }
938
939    /* Buffalo */
940    if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
941        /* Buffalo hardware, check id for specific hardware matches */
942        if (!strcmp(buf, "29bb0332"))
943            return &platforms[WBR2_G54];
944        if (!strcmp(buf, "29129"))
945            return &platforms[WLA2_G54L];
946        if (!strcmp(buf, "30189"))
947            return &platforms[WHR_HP_G54];
948        if (!strcmp(buf, "32093"))
949            return &platforms[WHR_G125];
950        if (!strcmp(buf, "30182"))
951            return &platforms[WHR_G54S];
952        if (!strcmp(buf, "290441dd"))
953            return &platforms[WHR2_A54G54];
954        if (!strcmp(buf, "31120"))
955            return &platforms[WZR_G300N];
956        if (!strcmp(buf, "30083"))
957            return &platforms[WZR_RS_G54];
958        if (!strcmp(buf, "30103"))
959            return &platforms[WZR_RS_G54HP];
960    }
961
962    /* no easy model number, attempt to guess */
963    boardnum = getvar("boardnum");
964    boardtype = getvar("boardtype");
965
966    if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N v1/V1.1 */
967        if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
968            return &platforms[WRT600NV11];
969
970    if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
971            return &platforms[WRT600N];
972    }
973
974    if (startswith(getvar("pmon_ver"), "CFE")) {
975        /* CFE based - newer hardware */
976        if (!strcmp(boardnum, "42")) { /* Linksys */
977            if (!strcmp(boardtype, "0x478") && !strcmp(getvar("boot_hw_model"), "WRT300N") && !strcmp(getvar("boot_hw_ver"), "1.1"))
978                return &platforms[WRT300NV11];
979
980            if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
981                return &platforms[WRT350N];
982
983            if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
984                return &platforms[WRT54G3G];
985
986            if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
987                return &platforms[WRTSL54GS];
988
989            if (!strcmp(boardtype, "0x0472"))
990                return &platforms[WRT160N];
991
992            /* default to WRT54G */
993            return &platforms[WRT54G];
994        }
995        if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
996            return &platforms[WAP54GV2];
997
998        if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
999            return &platforms[WL1600GL];
1000
1001
1002        if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1003            if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1004                return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1005        }
1006
1007        if (!strcmp(boardnum, "45")) { /* ASUS */
1008            if (!strcmp(boardtype,"0x042f"))
1009                return &platforms[WL500GP];
1010            else if (!strcmp(boardtype,"0x0472"))
1011                return &platforms[WL500W];
1012            else if (!strcmp(boardtype,"0x467"))
1013                return &platforms[WL320GE];
1014            else
1015                return &platforms[WL500GD];
1016        }
1017
1018        if (!strcmp(boardnum, "10496"))
1019            return &platforms[USR5461];
1020
1021        if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1022            return &platforms[SE505V2];
1023
1024        if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1025                !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1026            return &platforms[DIR320];
1027
1028        if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1029            return &platforms[WDNetCenter];
1030        }
1031
1032    } else { /* PMON based - old stuff */
1033        if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1034            (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1035            return &platforms[WR850GV1];
1036        }
1037        if (startswith(boardtype, "bcm94710dev")) {
1038            if (!strcmp(boardnum, "42"))
1039                return &platforms[WRT54GV1];
1040            if (simple_strtoul(boardnum, NULL, 0) == 2)
1041                return &platforms[WAP54GV1];
1042        }
1043        /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1044        if (startswith(getvar("hardware_version"), "WL500-")) {
1045            if (!strcmp(getvar("boardnum"), "mn700"))
1046                return &platforms[MN700];
1047            else
1048                return &platforms[WL500G];
1049        }
1050        if (startswith(getvar("hardware_version"), "WL300-")) {
1051            /* Either WL-300g or WL-HDD, do more extensive checks */
1052            if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1053                (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
1054                return &platforms[WLHDD];
1055            if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1056                (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
1057                return &platforms[WL300G];
1058        }
1059        /* Sitecom WL-105b */
1060        if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1061            return &platforms[WL105B];
1062
1063        /* unknown asus stuff, probably bcm4702 */
1064        if (startswith(boardnum, "asusX"))
1065            return &platforms[ASUS_4702];
1066
1067        /* bcm4702 based Askey RT210W clones, Including:
1068         * Askey RT210W (duh?)
1069         * Siemens SE505v1
1070         * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1071         */
1072        if (!strcmp(boardtype,"bcm94710r4")
1073         && !strcmp(boardnum ,"100")
1074         && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1075           ){
1076            return &platforms[RT210W];
1077        }
1078    }
1079
1080    if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
1081        if (startswith(boardtype, "bcm94710ap"))
1082            return &platforms[BUFFALO_UNKNOWN_4710];
1083        else
1084            return &platforms[BUFFALO_UNKNOWN];
1085    }
1086
1087    if (startswith(getvar("CFEver"), "MotoWRv2") ||
1088        startswith(getvar("CFEver"), "MotoWRv3") ||
1089        !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1090
1091        return &platforms[WR850GV2V3];
1092    }
1093
1094    if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
1095        return &platforms[TEW411BRPP];
1096    }
1097
1098    if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1099        return &platforms[STI_NAS];
1100
1101    if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1102        return &platforms[DWL3150];
1103
1104    /* not found */
1105    return NULL;
1106}
1107
1108static void register_buttons(struct button_t *b)
1109{
1110    for (; b->name; b++)
1111        platform.button_mask |= b->gpio;
1112
1113    platform.button_mask &= ~gpiomask;
1114
1115    gpio_outen(platform.button_mask, 0);
1116    gpio_control(platform.button_mask, 0);
1117    platform.button_polarity = gpio_in() & platform.button_mask;
1118    gpio_intpolarity(platform.button_mask, platform.button_polarity);
1119    gpio_setintmask(platform.button_mask, platform.button_mask);
1120
1121    gpio_set_irqenable(1, button_handler);
1122}
1123
1124static void unregister_buttons(struct button_t *b)
1125{
1126    gpio_setintmask(platform.button_mask, 0);
1127
1128    gpio_set_irqenable(0, button_handler);
1129}
1130
1131
1132#ifndef LINUX_2_4
1133static void add_msg(struct event_t *event, char *msg, int argv)
1134{
1135    char *s;
1136
1137    if (argv)
1138        return;
1139
1140    s = skb_put(event->skb, strlen(msg) + 1);
1141    strcpy(s, msg);
1142}
1143
1144static void hotplug_button(struct work_struct *work)
1145{
1146    struct event_t *event = container_of(work, struct event_t, wq);
1147    char *s;
1148
1149    if (!uevent_sock)
1150        return;
1151
1152    event->skb = alloc_skb(2048, GFP_KERNEL);
1153
1154    s = skb_put(event->skb, strlen(event->action) + 2);
1155    sprintf(s, "%s@", event->action);
1156    fill_event(event);
1157
1158    NETLINK_CB(event->skb).dst_group = 1;
1159    netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
1160
1161    kfree(event);
1162}
1163
1164#else /* !LINUX_2_4 */
1165static inline char *kzalloc(unsigned int size, unsigned int gfp)
1166{
1167    char *p;
1168
1169    p = kmalloc(size, gfp);
1170    if (p == NULL)
1171        return NULL;
1172
1173    memset(p, 0, size);
1174
1175    return p;
1176}
1177
1178static void add_msg(struct event_t *event, char *msg, int argv)
1179{
1180    if (argv)
1181        event->argv[event->anr++] = event->scratch;
1182    else
1183        event->envp[event->enr++] = event->scratch;
1184
1185    event->scratch += sprintf(event->scratch, "%s", msg) + 1;
1186}
1187
1188static void hotplug_button(struct event_t *event)
1189{
1190    char *scratch = kzalloc(256, GFP_KERNEL);
1191    event->scratch = scratch;
1192
1193    add_msg(event, hotplug_path, 1);
1194    add_msg(event, "button", 1);
1195    fill_event(event);
1196    call_usermodehelper (event->argv[0], event->argv, event->envp);
1197    kfree(scratch);
1198    kfree(event);
1199}
1200#endif /* !LINUX_2_4 */
1201
1202static int fill_event (struct event_t *event)
1203{
1204    static char buf[128];
1205
1206    add_msg(event, "HOME=/", 0);
1207    add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1208    add_msg(event, "SUBSYSTEM=button", 0);
1209    snprintf(buf, 128, "ACTION=%s", event->action);
1210    add_msg(event, buf, 0);
1211    snprintf(buf, 128, "BUTTON=%s", event->name);
1212    add_msg(event, buf, 0);
1213    snprintf(buf, 128, "SEEN=%ld", event->seen);
1214    add_msg(event, buf, 0);
1215#ifndef LINUX_2_4
1216    snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1217    add_msg(event, buf, 0);
1218#endif
1219
1220    return 0;
1221}
1222
1223
1224#ifndef LINUX_2_4
1225static irqreturn_t button_handler(int irq, void *dev_id)
1226#else
1227static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
1228#endif
1229{
1230    struct button_t *b;
1231    u32 in, changed;
1232
1233    in = gpio_in() & platform.button_mask;
1234    gpio_intpolarity(platform.button_mask, in);
1235    changed = platform.button_polarity ^ in;
1236    platform.button_polarity = in;
1237
1238    changed &= ~gpio_outen(0, 0);
1239
1240    for (b = platform.buttons; b->name; b++) {
1241        struct event_t *event;
1242
1243        if (!(b->gpio & changed)) continue;
1244
1245        b->pressed ^= 1;
1246
1247        if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1248            event->seen = (jiffies - b->seen)/HZ;
1249            event->name = b->name;
1250            event->action = b->pressed ? "pressed" : "released";
1251#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
1252            INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1253#else
1254            INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
1255#endif
1256            schedule_work(&event->wq);
1257        }
1258
1259        b->seen = jiffies;
1260    }
1261    return IRQ_HANDLED;
1262}
1263
1264static void register_leds(struct led_t *l)
1265{
1266    struct proc_dir_entry *p;
1267    u32 mask = 0;
1268    u32 oe_mask = 0;
1269    u32 val = 0;
1270
1271    leds = proc_mkdir("led", diag);
1272    if (!leds)
1273        return;
1274
1275    for(; l->name; l++) {
1276        if (l->gpio & gpiomask)
1277            continue;
1278
1279        if (l->gpio & GPIO_TYPE_EXTIF) {
1280            l->state = 0;
1281            set_led_extif(l);
1282        } else {
1283            if (l->polarity != INPUT) oe_mask |= l->gpio;
1284            mask |= l->gpio;
1285            val |= (l->polarity == NORMAL)?0:l->gpio;
1286        }
1287
1288        if (l->polarity == INPUT) continue;
1289
1290        if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1291            l->proc.type = PROC_LED;
1292            l->proc.ptr = l;
1293            p->data = (void *) &l->proc;
1294            p->proc_fops = &diag_proc_fops;
1295        }
1296    }
1297
1298    gpio_outen(mask, oe_mask);
1299    gpio_control(mask, 0);
1300    gpio_out(mask, val);
1301    gpio_setintmask(mask, 0);
1302}
1303
1304static void unregister_leds(struct led_t *l)
1305{
1306    for(; l->name; l++)
1307        remove_proc_entry(l->name, leds);
1308
1309    remove_proc_entry("led", diag);
1310}
1311
1312static void set_led_extif(struct led_t *led)
1313{
1314    gpio_set_extif(led->gpio, led->state);
1315}
1316
1317static void led_flash(unsigned long dummy) {
1318    struct led_t *l;
1319    u32 mask = 0;
1320    u8 extif_blink = 0;
1321
1322    for (l = platform.leds; l->name; l++) {
1323        if (l->flash) {
1324            if (l->gpio & GPIO_TYPE_EXTIF) {
1325                extif_blink = 1;
1326                l->state = !l->state;
1327                set_led_extif(l);
1328            } else {
1329                mask |= l->gpio;
1330            }
1331        }
1332    }
1333
1334    mask &= ~gpiomask;
1335    if (mask) {
1336        u32 val = ~gpio_in();
1337
1338        gpio_outen(mask, mask);
1339        gpio_control(mask, 0);
1340        gpio_out(mask, val);
1341    }
1342    if (mask || extif_blink) {
1343        mod_timer(&led_timer, jiffies + FLASH_TIME);
1344    }
1345}
1346
1347static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1348{
1349#ifdef LINUX_2_4
1350    struct inode *inode = file->f_dentry->d_inode;
1351    struct proc_dir_entry *dent = inode->u.generic_ip;
1352#else
1353    struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1354#endif
1355    char *page;
1356    int len = 0;
1357
1358    if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1359        return -ENOBUFS;
1360
1361    if (dent->data != NULL) {
1362        struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1363        switch (handler->type) {
1364            case PROC_LED: {
1365                struct led_t * led = (struct led_t *) handler->ptr;
1366                if (led->flash) {
1367                    len = sprintf(page, "f\n");
1368                } else {
1369                    if (led->gpio & GPIO_TYPE_EXTIF) {
1370                        len = sprintf(page, "%d\n", led->state);
1371                    } else {
1372                        u32 in = (gpio_in() & led->gpio ? 1 : 0);
1373                        u8 p = (led->polarity == NORMAL ? 0 : 1);
1374                        len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1375                    }
1376                }
1377                break;
1378            }
1379            case PROC_MODEL:
1380                len = sprintf(page, "%s\n", platform.name);
1381                break;
1382            case PROC_GPIOMASK:
1383                len = sprintf(page, "0x%04x\n", gpiomask);
1384                break;
1385        }
1386    }
1387    len += 1;
1388
1389    if (*ppos < len) {
1390        len = min_t(int, len - *ppos, count);
1391        if (copy_to_user(buf, (page + *ppos), len)) {
1392            kfree(page);
1393            return -EFAULT;
1394        }
1395        *ppos += len;
1396    } else {
1397        len = 0;
1398    }
1399
1400    kfree(page);
1401    return len;
1402}
1403
1404
1405static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1406{
1407#ifdef LINUX_2_4
1408    struct inode *inode = file->f_dentry->d_inode;
1409    struct proc_dir_entry *dent = inode->u.generic_ip;
1410#else
1411    struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1412#endif
1413    char *page;
1414    int ret = -EINVAL;
1415
1416    if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1417        return -ENOBUFS;
1418
1419    if (copy_from_user(page, buf, count)) {
1420        kfree(page);
1421        return -EINVAL;
1422    }
1423    page[count] = 0;
1424
1425    if (dent->data != NULL) {
1426        struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1427        switch (handler->type) {
1428            case PROC_LED: {
1429                struct led_t *led = (struct led_t *) handler->ptr;
1430                int p = (led->polarity == NORMAL ? 0 : 1);
1431
1432                if (page[0] == 'f') {
1433                    led->flash = 1;
1434                    led_flash(0);
1435                } else {
1436                    led->flash = 0;
1437                    if (led->gpio & GPIO_TYPE_EXTIF) {
1438                        led->state = p ^ ((page[0] == '1') ? 1 : 0);
1439                        set_led_extif(led);
1440                    } else {
1441                        gpio_outen(led->gpio, led->gpio);
1442                        gpio_control(led->gpio, 0);
1443                        gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1444                    }
1445                }
1446                break;
1447            }
1448            case PROC_GPIOMASK:
1449                gpiomask = simple_strtoul(page, NULL, 0);
1450
1451                if (platform.buttons) {
1452                    unregister_buttons(platform.buttons);
1453                    register_buttons(platform.buttons);
1454                }
1455
1456                if (platform.leds) {
1457                    unregister_leds(platform.leds);
1458                    register_leds(platform.leds);
1459                }
1460                break;
1461        }
1462        ret = count;
1463    }
1464
1465    kfree(page);
1466    return ret;
1467}
1468
1469static int __init diag_init(void)
1470{
1471    static struct proc_dir_entry *p;
1472    static struct platform_t *detected;
1473
1474    detected = platform_detect();
1475    if (!detected) {
1476        printk(MODULE_NAME ": Router model not detected.\n");
1477        return -ENODEV;
1478    }
1479    memcpy(&platform, detected, sizeof(struct platform_t));
1480
1481    printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1482    if (platform.platform_init != NULL) {
1483        platform.platform_init();
1484    }
1485
1486    if (!(diag = proc_mkdir("diag", NULL))) {
1487        printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1488        return -EINVAL;
1489    }
1490
1491    if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1492        p->data = (void *) &proc_model;
1493        p->proc_fops = &diag_proc_fops;
1494    }
1495
1496    if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1497        p->data = (void *) &proc_gpiomask;
1498        p->proc_fops = &diag_proc_fops;
1499    }
1500
1501    if (platform.buttons)
1502        register_buttons(platform.buttons);
1503
1504    if (platform.leds)
1505        register_leds(platform.leds);
1506
1507    return 0;
1508}
1509
1510static void __exit diag_exit(void)
1511{
1512    del_timer(&led_timer);
1513
1514    if (platform.buttons)
1515        unregister_buttons(platform.buttons);
1516
1517    if (platform.leds)
1518        unregister_leds(platform.leds);
1519
1520    remove_proc_entry("model", diag);
1521    remove_proc_entry("gpiomask", diag);
1522    remove_proc_entry("diag", NULL);
1523}
1524
1525module_init(diag_init);
1526module_exit(diag_exit);
1527
1528MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1529MODULE_LICENSE("GPL");
1530

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