V4L/DVB (3118): Enable remote control on AVERTV STUDIO 303
[linux-2.6] / drivers / media / video / cx88 / cx88-input.c
1 /*
2  *
3  * Device driver for GPIO attached remote control interfaces
4  * on Conexant 2388x based TV/DVB cards.
5  *
6  * Copyright (c) 2003 Pavel Machek
7  * Copyright (c) 2004 Gerd Knorr
8  * Copyright (c) 2004 Chris Pascoe
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23  */
24
25 #include <linux/init.h>
26 #include <linux/delay.h>
27 #include <linux/input.h>
28 #include <linux/pci.h>
29 #include <linux/module.h>
30 #include <linux/moduleparam.h>
31
32 #include <media/ir-common.h>
33
34 #include "cx88.h"
35
36 /* ---------------------------------------------------------------------- */
37
38 /* DigitalNow DNTV Live DVB-T Remote */
39 static IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE] = {
40         [0x00] = KEY_ESC,               /* 'go up a level?' */
41         /* Keys 0 to 9 */
42         [0x0a] = KEY_KP0,
43         [0x01] = KEY_KP1,
44         [0x02] = KEY_KP2,
45         [0x03] = KEY_KP3,
46         [0x04] = KEY_KP4,
47         [0x05] = KEY_KP5,
48         [0x06] = KEY_KP6,
49         [0x07] = KEY_KP7,
50         [0x08] = KEY_KP8,
51         [0x09] = KEY_KP9,
52
53         [0x0b] = KEY_TUNER,             /* tv/fm */
54         [0x0c] = KEY_SEARCH,            /* scan */
55         [0x0d] = KEY_STOP,
56         [0x0e] = KEY_PAUSE,
57         [0x0f] = KEY_LIST,              /* source */
58
59         [0x10] = KEY_MUTE,
60         [0x11] = KEY_REWIND,            /* backward << */
61         [0x12] = KEY_POWER,
62         [0x13] = KEY_S,                 /* snap */
63         [0x14] = KEY_AUDIO,             /* stereo */
64         [0x15] = KEY_CLEAR,             /* reset */
65         [0x16] = KEY_PLAY,
66         [0x17] = KEY_ENTER,
67         [0x18] = KEY_ZOOM,              /* full screen */
68         [0x19] = KEY_FASTFORWARD,       /* forward >> */
69         [0x1a] = KEY_CHANNELUP,
70         [0x1b] = KEY_VOLUMEUP,
71         [0x1c] = KEY_INFO,              /* preview */
72         [0x1d] = KEY_RECORD,            /* record */
73         [0x1e] = KEY_CHANNELDOWN,
74         [0x1f] = KEY_VOLUMEDOWN,
75 };
76
77 /* ---------------------------------------------------------------------- */
78
79 /* IO-DATA BCTV7E Remote */
80 static IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE] = {
81         [0x40] = KEY_TV,
82         [0x20] = KEY_RADIO,             /* FM */
83         [0x60] = KEY_EPG,
84         [0x00] = KEY_POWER,
85
86         /* Keys 0 to 9 */
87         [0x44] = KEY_KP0,               /* 10 */
88         [0x50] = KEY_KP1,
89         [0x30] = KEY_KP2,
90         [0x70] = KEY_KP3,
91         [0x48] = KEY_KP4,
92         [0x28] = KEY_KP5,
93         [0x68] = KEY_KP6,
94         [0x58] = KEY_KP7,
95         [0x38] = KEY_KP8,
96         [0x78] = KEY_KP9,
97
98         [0x10] = KEY_L,                 /* Live */
99         [0x08] = KEY_T,                 /* Time Shift */
100
101         [0x18] = KEY_PLAYPAUSE,         /* Play */
102
103         [0x24] = KEY_ENTER,             /* 11 */
104         [0x64] = KEY_ESC,               /* 12 */
105         [0x04] = KEY_M,                 /* Multi */
106
107         [0x54] = KEY_VIDEO,
108         [0x34] = KEY_CHANNELUP,
109         [0x74] = KEY_VOLUMEUP,
110         [0x14] = KEY_MUTE,
111
112         [0x4c] = KEY_S,                 /* SVIDEO */
113         [0x2c] = KEY_CHANNELDOWN,
114         [0x6c] = KEY_VOLUMEDOWN,
115         [0x0c] = KEY_ZOOM,
116
117         [0x5c] = KEY_PAUSE,
118         [0x3c] = KEY_C,                 /* || (red) */
119         [0x7c] = KEY_RECORD,            /* recording */
120         [0x1c] = KEY_STOP,
121
122         [0x41] = KEY_REWIND,            /* backward << */
123         [0x21] = KEY_PLAY,
124         [0x61] = KEY_FASTFORWARD,       /* forward >> */
125         [0x01] = KEY_NEXT,              /* skip >| */
126 };
127
128 /* ---------------------------------------------------------------------- */
129
130 /* ADS Tech Instant TV DVB-T PCI Remote */
131 static IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE] = {
132         /* Keys 0 to 9 */
133         [0x4d] = KEY_0,
134         [0x57] = KEY_1,
135         [0x4f] = KEY_2,
136         [0x53] = KEY_3,
137         [0x56] = KEY_4,
138         [0x4e] = KEY_5,
139         [0x5e] = KEY_6,
140         [0x54] = KEY_7,
141         [0x4c] = KEY_8,
142         [0x5c] = KEY_9,
143
144         [0x5b] = KEY_POWER,
145         [0x5f] = KEY_MUTE,
146         [0x55] = KEY_GOTO,
147         [0x5d] = KEY_SEARCH,
148         [0x17] = KEY_EPG,               /* Guide */
149         [0x1f] = KEY_MENU,
150         [0x0f] = KEY_UP,
151         [0x46] = KEY_DOWN,
152         [0x16] = KEY_LEFT,
153         [0x1e] = KEY_RIGHT,
154         [0x0e] = KEY_SELECT,            /* Enter */
155         [0x5a] = KEY_INFO,
156         [0x52] = KEY_EXIT,
157         [0x59] = KEY_PREVIOUS,
158         [0x51] = KEY_NEXT,
159         [0x58] = KEY_REWIND,
160         [0x50] = KEY_FORWARD,
161         [0x44] = KEY_PLAYPAUSE,
162         [0x07] = KEY_STOP,
163         [0x1b] = KEY_RECORD,
164         [0x13] = KEY_TUNER,             /* Live */
165         [0x0a] = KEY_A,
166         [0x12] = KEY_B,
167         [0x03] = KEY_PROG1,             /* 1 */
168         [0x01] = KEY_PROG2,             /* 2 */
169         [0x00] = KEY_PROG3,             /* 3 */
170         [0x06] = KEY_DVD,
171         [0x48] = KEY_AUX,               /* Photo */
172         [0x40] = KEY_VIDEO,
173         [0x19] = KEY_AUDIO,             /* Music */
174         [0x0b] = KEY_CHANNELUP,
175         [0x08] = KEY_CHANNELDOWN,
176         [0x15] = KEY_VOLUMEUP,
177         [0x1c] = KEY_VOLUMEDOWN,
178 };
179
180 /* ---------------------------------------------------------------------- */
181
182 /* MSI TV@nywhere remote */
183 static IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE] = {
184         /* Keys 0 to 9 */
185         [0x00] = KEY_0,
186         [0x01] = KEY_1,
187         [0x02] = KEY_2,
188         [0x03] = KEY_3,
189         [0x04] = KEY_4,
190         [0x05] = KEY_5,
191         [0x06] = KEY_6,
192         [0x07] = KEY_7,
193         [0x08] = KEY_8,
194         [0x09] = KEY_9,
195
196         [0x0c] = KEY_MUTE,
197         [0x0f] = KEY_SCREEN,            /* Full Screen */
198         [0x10] = KEY_F,                 /* Funtion */
199         [0x11] = KEY_T,                 /* Time shift */
200         [0x12] = KEY_POWER,
201         [0x13] = KEY_MEDIA,             /* MTS */
202         [0x14] = KEY_SLOW,
203         [0x16] = KEY_REWIND,            /* backward << */
204         [0x17] = KEY_ENTER,             /* Return */
205         [0x18] = KEY_FASTFORWARD,       /* forward >> */
206         [0x1a] = KEY_CHANNELUP,
207         [0x1b] = KEY_VOLUMEUP,
208         [0x1e] = KEY_CHANNELDOWN,
209         [0x1f] = KEY_VOLUMEDOWN,
210 };
211
212 /* ---------------------------------------------------------------------- */
213
214 /* Cinergy 1400 DVB-T */
215 static IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE] = {
216         [0x01] = KEY_POWER,
217         [0x02] = KEY_1,
218         [0x03] = KEY_2,
219         [0x04] = KEY_3,
220         [0x05] = KEY_4,
221         [0x06] = KEY_5,
222         [0x07] = KEY_6,
223         [0x08] = KEY_7,
224         [0x09] = KEY_8,
225         [0x0a] = KEY_9,
226         [0x0c] = KEY_0,
227
228         [0x0b] = KEY_VIDEO,
229         [0x0d] = KEY_REFRESH,
230         [0x0e] = KEY_SELECT,
231         [0x0f] = KEY_EPG,
232         [0x10] = KEY_UP,
233         [0x11] = KEY_LEFT,
234         [0x12] = KEY_OK,
235         [0x13] = KEY_RIGHT,
236         [0x14] = KEY_DOWN,
237         [0x15] = KEY_TEXT,
238         [0x16] = KEY_INFO,
239
240         [0x17] = KEY_RED,
241         [0x18] = KEY_GREEN,
242         [0x19] = KEY_YELLOW,
243         [0x1a] = KEY_BLUE,
244
245         [0x1b] = KEY_CHANNELUP,
246         [0x1c] = KEY_VOLUMEUP,
247         [0x1d] = KEY_MUTE,
248         [0x1e] = KEY_VOLUMEDOWN,
249         [0x1f] = KEY_CHANNELDOWN,
250
251         [0x40] = KEY_PAUSE,
252         [0x4c] = KEY_PLAY,
253         [0x58] = KEY_RECORD,
254         [0x54] = KEY_PREVIOUS,
255         [0x48] = KEY_STOP,
256         [0x5c] = KEY_NEXT,
257 };
258
259 /* ---------------------------------------------------------------------- */
260
261 /* AVERTV STUDIO 303 Remote */
262 static IR_KEYTAB_TYPE ir_codes_avertv_303[IR_KEYTAB_SIZE] = {
263         [ 0x2a ] = KEY_KP1,
264         [ 0x32 ] = KEY_KP2,
265         [ 0x3a ] = KEY_KP3,
266         [ 0x4a ] = KEY_KP4,
267         [ 0x52 ] = KEY_KP5,
268         [ 0x5a ] = KEY_KP6,
269         [ 0x6a ] = KEY_KP7,
270         [ 0x72 ] = KEY_KP8,
271         [ 0x7a ] = KEY_KP9,
272         [ 0x0e ] = KEY_KP0,
273
274         [ 0x02 ] = KEY_POWER,
275         [ 0x22 ] = KEY_VIDEO,
276         [ 0x42 ] = KEY_AUDIO,
277         [ 0x62 ] = KEY_ZOOM,
278         [ 0x0a ] = KEY_TV,
279         [ 0x12 ] = KEY_CD,
280         [ 0x1a ] = KEY_TEXT,
281
282         [ 0x16 ] = KEY_SUBTITLE,
283         [ 0x1e ] = KEY_REWIND,
284         [ 0x06 ] = KEY_PRINT,
285
286         [ 0x2e ] = KEY_SEARCH,
287         [ 0x36 ] = KEY_SLEEP,
288         [ 0x3e ] = KEY_SHUFFLE,
289         [ 0x26 ] = KEY_MUTE,
290
291         [ 0x4e ] = KEY_RECORD,
292         [ 0x56 ] = KEY_PAUSE,
293         [ 0x5e ] = KEY_STOP,
294         [ 0x46 ] = KEY_PLAY,
295
296         [ 0x6e ] = KEY_RED,
297         [ 0x0b ] = KEY_GREEN,
298         [ 0x66 ] = KEY_YELLOW,
299         [ 0x03 ] = KEY_BLUE,
300
301         [ 0x76 ] = KEY_LEFT,
302         [ 0x7e ] = KEY_RIGHT,
303         [ 0x13 ] = KEY_DOWN,
304         [ 0x1b ] = KEY_UP,
305 };
306
307 /* ---------------------------------------------------------------------- */
308
309 struct cx88_IR {
310         struct cx88_core *core;
311         struct input_dev *input;
312         struct ir_input_state ir;
313         char name[32];
314         char phys[32];
315
316         /* sample from gpio pin 16 */
317         int sampling;
318         u32 samples[16];
319         int scount;
320         unsigned long release;
321
322         /* poll external decoder */
323         int polling;
324         struct work_struct work;
325         struct timer_list timer;
326         u32 gpio_addr;
327         u32 last_gpio;
328         u32 mask_keycode;
329         u32 mask_keydown;
330         u32 mask_keyup;
331 };
332
333 static int ir_debug = 0;
334 module_param(ir_debug, int, 0644);      /* debug level [IR] */
335 MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
336
337 #define ir_dprintk(fmt, arg...) if (ir_debug) \
338         printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg)
339
340 /* ---------------------------------------------------------------------- */
341
342 static void cx88_ir_handle_key(struct cx88_IR *ir)
343 {
344         struct cx88_core *core = ir->core;
345         u32 gpio, data;
346
347         /* read gpio value */
348         gpio = cx_read(ir->gpio_addr);
349         if (ir->polling) {
350                 if (ir->last_gpio == gpio)
351                         return;
352                 ir->last_gpio = gpio;
353         }
354
355         /* extract data */
356         data = ir_extract_bits(gpio, ir->mask_keycode);
357         ir_dprintk("irq gpio=0x%x code=%d | %s%s%s\n",
358                    gpio, data,
359                    ir->polling ? "poll" : "irq",
360                    (gpio & ir->mask_keydown) ? " down" : "",
361                    (gpio & ir->mask_keyup) ? " up" : "");
362
363         if (ir->mask_keydown) {
364                 /* bit set on keydown */
365                 if (gpio & ir->mask_keydown) {
366                         ir_input_keydown(ir->input, &ir->ir, data, data);
367                 } else {
368                         ir_input_nokey(ir->input, &ir->ir);
369                 }
370
371         } else if (ir->mask_keyup) {
372                 /* bit cleared on keydown */
373                 if (0 == (gpio & ir->mask_keyup)) {
374                         ir_input_keydown(ir->input, &ir->ir, data, data);
375                 } else {
376                         ir_input_nokey(ir->input, &ir->ir);
377                 }
378
379         } else {
380                 /* can't distinguish keydown/up :-/ */
381                 ir_input_keydown(ir->input, &ir->ir, data, data);
382                 ir_input_nokey(ir->input, &ir->ir);
383         }
384 }
385
386 static void ir_timer(unsigned long data)
387 {
388         struct cx88_IR *ir = (struct cx88_IR *)data;
389
390         schedule_work(&ir->work);
391 }
392
393 static void cx88_ir_work(void *data)
394 {
395         struct cx88_IR *ir = data;
396         unsigned long timeout;
397
398         cx88_ir_handle_key(ir);
399         timeout = jiffies + (ir->polling * HZ / 1000);
400         mod_timer(&ir->timer, timeout);
401 }
402
403 /* ---------------------------------------------------------------------- */
404
405 int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
406 {
407         struct cx88_IR *ir;
408         struct input_dev *input_dev;
409         IR_KEYTAB_TYPE *ir_codes = NULL;
410         int ir_type = IR_TYPE_OTHER;
411
412         ir = kzalloc(sizeof(*ir), GFP_KERNEL);
413         input_dev = input_allocate_device();
414         if (!ir || !input_dev) {
415                 kfree(ir);
416                 input_free_device(input_dev);
417                 return -ENOMEM;
418         }
419
420         ir->input = input_dev;
421
422         /* detect & configure */
423         switch (core->board) {
424         case CX88_BOARD_DNTV_LIVE_DVB_T:
425         case CX88_BOARD_KWORLD_DVB_T:
426                 ir_codes = ir_codes_dntv_live_dvb_t;
427                 ir->gpio_addr = MO_GP1_IO;
428                 ir->mask_keycode = 0x1f;
429                 ir->mask_keyup = 0x60;
430                 ir->polling = 50; /* ms */
431                 break;
432         case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
433                 ir_codes = ir_codes_cinergy_1400;
434                 ir_type = IR_TYPE_PD;
435                 ir->sampling = 1;
436                 break;
437         case CX88_BOARD_HAUPPAUGE:
438         case CX88_BOARD_HAUPPAUGE_DVB_T1:
439         case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
440         case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
441         case CX88_BOARD_HAUPPAUGE_HVR1100:
442                 ir_codes = ir_codes_hauppauge_new;
443                 ir_type = IR_TYPE_RC5;
444                 ir->sampling = 1;
445                 break;
446         case CX88_BOARD_WINFAST2000XP_EXPERT:
447                 ir_codes = ir_codes_winfast;
448                 ir->gpio_addr = MO_GP0_IO;
449                 ir->mask_keycode = 0x8f8;
450                 ir->mask_keyup = 0x100;
451                 ir->polling = 1; /* ms */
452                 break;
453         case CX88_BOARD_IODATA_GVBCTV7E:
454                 ir_codes = ir_codes_iodata_bctv7e;
455                 ir->gpio_addr = MO_GP0_IO;
456                 ir->mask_keycode = 0xfd;
457                 ir->mask_keydown = 0x02;
458                 ir->polling = 5; /* ms */
459                 break;
460         case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO:
461                 ir_codes = ir_codes_pixelview;
462                 ir->gpio_addr = MO_GP1_IO;
463                 ir->mask_keycode = 0x1f;
464                 ir->mask_keyup = 0x80;
465                 ir->polling = 1; /* ms */
466                 break;
467         case CX88_BOARD_ADSTECH_DVB_T_PCI:
468                 ir_codes = ir_codes_adstech_dvb_t_pci;
469                 ir->gpio_addr = MO_GP1_IO;
470                 ir->mask_keycode = 0xbf;
471                 ir->mask_keyup = 0x40;
472                 ir->polling = 50; /* ms */
473                 break;
474         case CX88_BOARD_MSI_TVANYWHERE_MASTER:
475                 ir_codes = ir_codes_msi_tvanywhere;
476                 ir->gpio_addr = MO_GP1_IO;
477                 ir->mask_keycode = 0x1f;
478                 ir->mask_keyup = 0x40;
479                 ir->polling = 1; /* ms */
480                 break;
481         case CX88_BOARD_AVERTV_303:
482                 ir_codes         = ir_codes_avertv_303;
483                 ir->gpio_addr    = MO_GP2_IO;
484                 ir->mask_keycode = 0xfb;
485                 ir->mask_keydown = 0x02;
486                 ir->polling      = 50; /* ms */
487                 break;
488         }
489
490         if (NULL == ir_codes) {
491                 kfree(ir);
492                 input_free_device(input_dev);
493                 return -ENODEV;
494         }
495
496         /* init input device */
497         snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)",
498                  cx88_boards[core->board].name);
499         snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci));
500
501         ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
502         input_dev->name = ir->name;
503         input_dev->phys = ir->phys;
504         input_dev->id.bustype = BUS_PCI;
505         input_dev->id.version = 1;
506         if (pci->subsystem_vendor) {
507                 input_dev->id.vendor = pci->subsystem_vendor;
508                 input_dev->id.product = pci->subsystem_device;
509         } else {
510                 input_dev->id.vendor = pci->vendor;
511                 input_dev->id.product = pci->device;
512         }
513         input_dev->cdev.dev = &pci->dev;
514         /* record handles to ourself */
515         ir->core = core;
516         core->ir = ir;
517
518         if (ir->polling) {
519                 INIT_WORK(&ir->work, cx88_ir_work, ir);
520                 init_timer(&ir->timer);
521                 ir->timer.function = ir_timer;
522                 ir->timer.data = (unsigned long)ir;
523                 schedule_work(&ir->work);
524         }
525         if (ir->sampling) {
526                 core->pci_irqmask |= (1 << 18); /* IR_SMP_INT */
527                 cx_write(MO_DDS_IO, 0xa80a80);  /* 4 kHz sample rate */
528                 cx_write(MO_DDSCFG_IO, 0x5);    /* enable */
529         }
530
531         /* all done */
532         input_register_device(ir->input);
533
534         return 0;
535 }
536
537 int cx88_ir_fini(struct cx88_core *core)
538 {
539         struct cx88_IR *ir = core->ir;
540
541         /* skip detach on non attached boards */
542         if (NULL == ir)
543                 return 0;
544
545         if (ir->polling) {
546                 del_timer(&ir->timer);
547                 flush_scheduled_work();
548         }
549
550         input_unregister_device(ir->input);
551         kfree(ir);
552
553         /* done */
554         core->ir = NULL;
555         return 0;
556 }
557
558 /* ---------------------------------------------------------------------- */
559
560 void cx88_ir_irq(struct cx88_core *core)
561 {
562         struct cx88_IR *ir = core->ir;
563         u32 samples, ircode;
564         int i;
565
566         if (NULL == ir)
567                 return;
568         if (!ir->sampling)
569                 return;
570
571         samples = cx_read(MO_SAMPLE_IO);
572         if (0 != samples && 0xffffffff != samples) {
573                 /* record sample data */
574                 if (ir->scount < ARRAY_SIZE(ir->samples))
575                         ir->samples[ir->scount++] = samples;
576                 return;
577         }
578         if (!ir->scount) {
579                 /* nothing to sample */
580                 if (ir->ir.keypressed && time_after(jiffies, ir->release))
581                         ir_input_nokey(ir->input, &ir->ir);
582                 return;
583         }
584
585         /* have a complete sample */
586         if (ir->scount < ARRAY_SIZE(ir->samples))
587                 ir->samples[ir->scount++] = samples;
588         for (i = 0; i < ir->scount; i++)
589                 ir->samples[i] = ~ir->samples[i];
590         if (ir_debug)
591                 ir_dump_samples(ir->samples, ir->scount);
592
593         /* decode it */
594         switch (core->board) {
595         case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
596                 ircode = ir_decode_pulsedistance(ir->samples, ir->scount, 1, 4);
597
598                 if (ircode == 0xffffffff) { /* decoding error */
599                         ir_dprintk("pulse distance decoding error\n");
600                         break;
601                 }
602
603                 ir_dprintk("pulse distance decoded: %x\n", ircode);
604
605                 if (ircode == 0) { /* key still pressed */
606                         ir_dprintk("pulse distance decoded repeat code\n");
607                         ir->release = jiffies + msecs_to_jiffies(120);
608                         break;
609                 }
610
611                 if ((ircode & 0xffff) != 0xeb04) { /* wrong address */
612                         ir_dprintk("pulse distance decoded wrong address\n");
613                         break;
614                 }
615
616                 if (((~ircode >> 24) & 0xff) != ((ircode >> 16) & 0xff)) { /* wrong checksum */
617                         ir_dprintk("pulse distance decoded wrong check sum\n");
618                         break;
619                 }
620
621                 ir_dprintk("Key Code: %x\n", (ircode >> 16) & 0x7f);
622
623                 ir_input_keydown(ir->input, &ir->ir, (ircode >> 16) & 0x7f, (ircode >> 16) & 0xff);
624                 ir->release = jiffies + msecs_to_jiffies(120);
625                 break;
626         case CX88_BOARD_HAUPPAUGE:
627         case CX88_BOARD_HAUPPAUGE_DVB_T1:
628         case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
629         case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
630                 ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7);
631                 ir_dprintk("biphase decoded: %x\n", ircode);
632                 if ((ircode & 0xfffff000) != 0x3000)
633                         break;
634                 ir_input_keydown(ir->input, &ir->ir, ircode & 0x3f, ircode);
635                 ir->release = jiffies + msecs_to_jiffies(120);
636                 break;
637         }
638
639         ir->scount = 0;
640         return;
641 }
642
643 /* ---------------------------------------------------------------------- */
644
645 MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe");
646 MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls");
647 MODULE_LICENSE("GPL");
648 /*
649  * Local variables:
650  * c-basic-offset: 8
651  * End:
652  */