git.oblomov.eu Git - linux-2.6/blob - 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  */