SAFE public projects git trees. - safe/jmp/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, 2005 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/hrtimer.h>
  27 #include <linux/input.h>
  28 #include <linux/pci.h>
  29 #include <linux/slab.h>
  30 #include <linux/module.h>
  31
  32 #include "cx88.h"
  33 #include <media/ir-common.h>
  34
  35 #define MODULE_NAME "cx88xx"
  36
  37 /* ---------------------------------------------------------------------- */
  38
  39 struct cx88_IR {
  40         struct cx88_core *core;
  41         struct input_dev *input;
  42         struct ir_input_state ir;
  43         struct ir_dev_props props;
  44
  45         int users;
  46
  47         char name[32];
  48         char phys[32];
  49
  50         /* sample from gpio pin 16 */
  51         u32 sampling;
  52         u32 samples[16];
  53         int scount;
  54         unsigned long release;
  55
  56         /* poll external decoder */
  57         int polling;
  58         struct hrtimer timer;
  59         u32 gpio_addr;
  60         u32 last_gpio;
  61         u32 mask_keycode;
  62         u32 mask_keydown;
  63         u32 mask_keyup;
  64 };
  65
  66 static int ir_debug;
  67 module_param(ir_debug, int, 0644);      /* debug level [IR] */
  68 MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
  69
  70 #define ir_dprintk(fmt, arg...) if (ir_debug) \
  71         printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg)
  72
  73 /* ---------------------------------------------------------------------- */
  74
  75 static void cx88_ir_handle_key(struct cx88_IR *ir)
  76 {
  77         struct cx88_core *core = ir->core;
  78         u32 gpio, data, auxgpio;
  79
  80         /* read gpio value */
  81         gpio = cx_read(ir->gpio_addr);
  82         switch (core->boardnr) {
  83         case CX88_BOARD_NPGTECH_REALTV_TOP10FM:
  84                 /* This board apparently uses a combination of 2 GPIO
  85                    to represent the keys. Additionally, the second GPIO
  86                    can be used for parity.
  87
  88                    Example:
  89
  90                    for key "5"
  91                         gpio = 0x758, auxgpio = 0xe5 or 0xf5
  92                    for key "Power"
  93                         gpio = 0x758, auxgpio = 0xed or 0xfd
  94                  */
  95
  96                 auxgpio = cx_read(MO_GP1_IO);
  97                 /* Take out the parity part */
  98                 gpio=(gpio & 0x7fd) + (auxgpio & 0xef);
  99                 break;
 100         case CX88_BOARD_WINFAST_DTV1000:
 101         case CX88_BOARD_WINFAST_DTV1800H:
 102         case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL:
 103                 gpio = (gpio & 0x6ff) | ((cx_read(MO_GP1_IO) << 8) & 0x900);
 104                 auxgpio = gpio;
 105                 break;
 106         default:
 107                 auxgpio = gpio;
 108         }
 109         if (ir->polling) {
 110                 if (ir->last_gpio == auxgpio)
 111                         return;
 112                 ir->last_gpio = auxgpio;
 113         }
 114
 115         /* extract data */
 116         data = ir_extract_bits(gpio, ir->mask_keycode);
 117         ir_dprintk("irq gpio=0x%x code=%d | %s%s%s\n",
 118                    gpio, data,
 119                    ir->polling ? "poll" : "irq",
 120                    (gpio & ir->mask_keydown) ? " down" : "",
 121                    (gpio & ir->mask_keyup) ? " up" : "");
 122
 123         if (ir->core->boardnr == CX88_BOARD_NORWOOD_MICRO) {
 124                 u32 gpio_key = cx_read(MO_GP0_IO);
 125
 126                 data = (data << 4) | ((gpio_key & 0xf0) >> 4);
 127
 128                 ir_input_keydown(ir->input, &ir->ir, data);
 129                 ir_input_nokey(ir->input, &ir->ir);
 130
 131         } else if (ir->mask_keydown) {
 132                 /* bit set on keydown */
 133                 if (gpio & ir->mask_keydown) {
 134                         ir_input_keydown(ir->input, &ir->ir, data);
 135                 } else {
 136                         ir_input_nokey(ir->input, &ir->ir);
 137                 }
 138
 139         } else if (ir->mask_keyup) {
 140                 /* bit cleared on keydown */
 141                 if (0 == (gpio & ir->mask_keyup)) {
 142                         ir_input_keydown(ir->input, &ir->ir, data);
 143                 } else {
 144                         ir_input_nokey(ir->input, &ir->ir);
 145                 }
 146
 147         } else {
 148                 /* can't distinguish keydown/up :-/ */
 149                 ir_input_keydown(ir->input, &ir->ir, data);
 150                 ir_input_nokey(ir->input, &ir->ir);
 151         }
 152 }
 153
 154 static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer)
 155 {
 156         unsigned long missed;
 157         struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer);
 158
 159         cx88_ir_handle_key(ir);
 160         missed = hrtimer_forward_now(&ir->timer,
 161                                      ktime_set(0, ir->polling * 1000000));
 162         if (missed > 1)
 163                 ir_dprintk("Missed ticks %ld\n", missed - 1);
 164
 165         return HRTIMER_RESTART;
 166 }
 167
 168 static int __cx88_ir_start(void *priv)
 169 {
 170         struct cx88_core *core = priv;
 171         struct cx88_IR *ir;
 172
 173         if (!core || !core->ir)
 174                 return -EINVAL;
 175
 176         ir = core->ir;
 177
 178         if (ir->polling) {
 179                 hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 180                 ir->timer.function = cx88_ir_work;
 181                 hrtimer_start(&ir->timer,
 182                               ktime_set(0, ir->polling * 1000000),
 183                               HRTIMER_MODE_REL);
 184         }
 185         if (ir->sampling) {
 186                 core->pci_irqmask |= PCI_INT_IR_SMPINT;
 187                 cx_write(MO_DDS_IO, 0xa80a80);  /* 4 kHz sample rate */
 188                 cx_write(MO_DDSCFG_IO, 0x5);    /* enable */
 189         }
 190         return 0;
 191 }
 192
 193 static void __cx88_ir_stop(void *priv)
 194 {
 195         struct cx88_core *core = priv;
 196         struct cx88_IR *ir;
 197
 198         if (!core || !core->ir)
 199                 return;
 200
 201         ir = core->ir;
 202         if (ir->sampling) {
 203                 cx_write(MO_DDSCFG_IO, 0x0);
 204                 core->pci_irqmask &= ~PCI_INT_IR_SMPINT;
 205         }
 206
 207         if (ir->polling)
 208                 hrtimer_cancel(&ir->timer);
 209 }
 210
 211 int cx88_ir_start(struct cx88_core *core)
 212 {
 213         if (core->ir->users)
 214                 return __cx88_ir_start(core);
 215
 216         return 0;
 217 }
 218
 219 void cx88_ir_stop(struct cx88_core *core)
 220 {
 221         if (core->ir->users)
 222                 __cx88_ir_stop(core);
 223 }
 224
 225 static int cx88_ir_open(void *priv)
 226 {
 227         struct cx88_core *core = priv;
 228
 229         core->ir->users++;
 230         return __cx88_ir_start(core);
 231 }
 232
 233 static void cx88_ir_close(void *priv)
 234 {
 235         struct cx88_core *core = priv;
 236
 237         core->ir->users--;
 238         if (!core->ir->users)
 239                 __cx88_ir_stop(core);
 240 }
 241
 242 /* ---------------------------------------------------------------------- */
 243
 244 int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
 245 {
 246         struct cx88_IR *ir;
 247         struct input_dev *input_dev;
 248         char *ir_codes = NULL;
 249         u64 ir_type = IR_TYPE_OTHER;
 250         int err = -ENOMEM;
 251
 252         ir = kzalloc(sizeof(*ir), GFP_KERNEL);
 253         input_dev = input_allocate_device();
 254         if (!ir || !input_dev)
 255                 goto err_out_free;
 256
 257         ir->input = input_dev;
 258
 259         /* detect & configure */
 260         switch (core->boardnr) {
 261         case CX88_BOARD_DNTV_LIVE_DVB_T:
 262         case CX88_BOARD_KWORLD_DVB_T:
 263         case CX88_BOARD_KWORLD_DVB_T_CX22702:
 264                 ir_codes = RC_MAP_DNTV_LIVE_DVB_T;
 265                 ir->gpio_addr = MO_GP1_IO;
 266                 ir->mask_keycode = 0x1f;
 267                 ir->mask_keyup = 0x60;
 268                 ir->polling = 50; /* ms */
 269                 break;
 270         case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
 271                 ir_codes = RC_MAP_CINERGY_1400;
 272                 ir_type = IR_TYPE_PD;
 273                 ir->sampling = 0xeb04; /* address */
 274                 break;
 275         case CX88_BOARD_HAUPPAUGE:
 276         case CX88_BOARD_HAUPPAUGE_DVB_T1:
 277         case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
 278         case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
 279         case CX88_BOARD_HAUPPAUGE_HVR1100:
 280         case CX88_BOARD_HAUPPAUGE_HVR3000:
 281         case CX88_BOARD_HAUPPAUGE_HVR4000:
 282         case CX88_BOARD_HAUPPAUGE_HVR4000LITE:
 283         case CX88_BOARD_PCHDTV_HD3000:
 284         case CX88_BOARD_PCHDTV_HD5500:
 285         case CX88_BOARD_HAUPPAUGE_IRONLY:
 286                 ir_codes = RC_MAP_HAUPPAUGE_NEW;
 287                 ir_type = IR_TYPE_RC5;
 288                 ir->sampling = 1;
 289                 break;
 290         case CX88_BOARD_WINFAST_DTV2000H:
 291         case CX88_BOARD_WINFAST_DTV2000H_J:
 292         case CX88_BOARD_WINFAST_DTV1800H:
 293                 ir_codes = RC_MAP_WINFAST;
 294                 ir->gpio_addr = MO_GP0_IO;
 295                 ir->mask_keycode = 0x8f8;
 296                 ir->mask_keyup = 0x100;
 297                 ir->polling = 50; /* ms */
 298                 break;
 299         case CX88_BOARD_WINFAST2000XP_EXPERT:
 300         case CX88_BOARD_WINFAST_DTV1000:
 301         case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL:
 302                 ir_codes = RC_MAP_WINFAST;
 303                 ir->gpio_addr = MO_GP0_IO;
 304                 ir->mask_keycode = 0x8f8;
 305                 ir->mask_keyup = 0x100;
 306                 ir->polling = 1; /* ms */
 307                 break;
 308         case CX88_BOARD_IODATA_GVBCTV7E:
 309                 ir_codes = RC_MAP_IODATA_BCTV7E;
 310                 ir->gpio_addr = MO_GP0_IO;
 311                 ir->mask_keycode = 0xfd;
 312                 ir->mask_keydown = 0x02;
 313                 ir->polling = 5; /* ms */
 314                 break;
 315         case CX88_BOARD_PROLINK_PLAYTVPVR:
 316         case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO:
 317                 ir_codes = RC_MAP_PIXELVIEW;
 318                 ir->gpio_addr = MO_GP1_IO;
 319                 ir->mask_keycode = 0x1f;        /* Only command is retrieved */
 320                 ir->mask_keyup = 0x80;
 321                 ir->polling = 10; /* ms */
 322                 break;
 323         case CX88_BOARD_PROLINK_PV_8000GT:
 324         case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME:
 325                 ir_codes = RC_MAP_PIXELVIEW_NEW;
 326                 ir->gpio_addr = MO_GP1_IO;
 327                 ir->mask_keycode = 0x3f;
 328                 ir->mask_keyup = 0x80;
 329                 ir->polling = 1; /* ms */
 330                 break;
 331         case CX88_BOARD_KWORLD_LTV883:
 332                 ir_codes = RC_MAP_PIXELVIEW;
 333                 ir->gpio_addr = MO_GP1_IO;
 334                 ir->mask_keycode = 0x1f;
 335                 ir->mask_keyup = 0x60;
 336                 ir->polling = 1; /* ms */
 337                 break;
 338         case CX88_BOARD_ADSTECH_DVB_T_PCI:
 339                 ir_codes = RC_MAP_ADSTECH_DVB_T_PCI;
 340                 ir->gpio_addr = MO_GP1_IO;
 341                 ir->mask_keycode = 0xbf;
 342                 ir->mask_keyup = 0x40;
 343                 ir->polling = 50; /* ms */
 344                 break;
 345         case CX88_BOARD_MSI_TVANYWHERE_MASTER:
 346                 ir_codes = RC_MAP_MSI_TVANYWHERE;
 347                 ir->gpio_addr = MO_GP1_IO;
 348                 ir->mask_keycode = 0x1f;
 349                 ir->mask_keyup = 0x40;
 350                 ir->polling = 1; /* ms */
 351                 break;
 352         case CX88_BOARD_AVERTV_303:
 353         case CX88_BOARD_AVERTV_STUDIO_303:
 354                 ir_codes         = RC_MAP_AVERTV_303;
 355                 ir->gpio_addr    = MO_GP2_IO;
 356                 ir->mask_keycode = 0xfb;
 357                 ir->mask_keydown = 0x02;
 358                 ir->polling      = 50; /* ms */
 359                 break;
 360         case CX88_BOARD_OMICOM_SS4_PCI:
 361         case CX88_BOARD_SATTRADE_ST4200:
 362         case CX88_BOARD_TBS_8920:
 363         case CX88_BOARD_TBS_8910:
 364         case CX88_BOARD_PROF_7300:
 365         case CX88_BOARD_PROF_7301:
 366         case CX88_BOARD_PROF_6200:
 367                 ir_codes = RC_MAP_TBS_NEC;
 368                 ir_type = IR_TYPE_PD;
 369                 ir->sampling = 0xff00; /* address */
 370                 break;
 371         case CX88_BOARD_TEVII_S460:
 372         case CX88_BOARD_TEVII_S420:
 373                 ir_codes = RC_MAP_TEVII_NEC;
 374                 ir_type = IR_TYPE_PD;
 375                 ir->sampling = 0xff00; /* address */
 376                 break;
 377         case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
 378                 ir_codes         = RC_MAP_DNTV_LIVE_DVBT_PRO;
 379                 ir_type          = IR_TYPE_PD;
 380                 ir->sampling     = 0xff00; /* address */
 381                 break;
 382         case CX88_BOARD_NORWOOD_MICRO:
 383                 ir_codes         = RC_MAP_NORWOOD;
 384                 ir->gpio_addr    = MO_GP1_IO;
 385                 ir->mask_keycode = 0x0e;
 386                 ir->mask_keyup   = 0x80;
 387                 ir->polling      = 50; /* ms */
 388                 break;
 389         case CX88_BOARD_NPGTECH_REALTV_TOP10FM:
 390                 ir_codes         = RC_MAP_NPGTECH;
 391                 ir->gpio_addr    = MO_GP0_IO;
 392                 ir->mask_keycode = 0xfa;
 393                 ir->polling      = 50; /* ms */
 394                 break;
 395         case CX88_BOARD_PINNACLE_PCTV_HD_800i:
 396                 ir_codes         = RC_MAP_PINNACLE_PCTV_HD;
 397                 ir_type          = IR_TYPE_RC5;
 398                 ir->sampling     = 1;
 399                 break;
 400         case CX88_BOARD_POWERCOLOR_REAL_ANGEL:
 401                 ir_codes         = RC_MAP_POWERCOLOR_REAL_ANGEL;
 402                 ir->gpio_addr    = MO_GP2_IO;
 403                 ir->mask_keycode = 0x7e;
 404                 ir->polling      = 100; /* ms */
 405                 break;
 406         }
 407
 408         if (NULL == ir_codes) {
 409                 err = -ENODEV;
 410                 goto err_out_free;
 411         }
 412
 413         /* init input device */
 414         snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name);
 415         snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci));
 416
 417         err = ir_input_init(input_dev, &ir->ir, ir_type);
 418         if (err < 0)
 419                 goto err_out_free;
 420
 421         input_dev->name = ir->name;
 422         input_dev->phys = ir->phys;
 423         input_dev->id.bustype = BUS_PCI;
 424         input_dev->id.version = 1;
 425         if (pci->subsystem_vendor) {
 426                 input_dev->id.vendor = pci->subsystem_vendor;
 427                 input_dev->id.product = pci->subsystem_device;
 428         } else {
 429                 input_dev->id.vendor = pci->vendor;
 430                 input_dev->id.product = pci->device;
 431         }
 432         input_dev->dev.parent = &pci->dev;
 433         /* record handles to ourself */
 434         ir->core = core;
 435         core->ir = ir;
 436
 437         ir->props.priv = core;
 438         ir->props.open = cx88_ir_open;
 439         ir->props.close = cx88_ir_close;
 440
 441         /* all done */
 442         err = ir_input_register(ir->input, ir_codes, &ir->props, MODULE_NAME);
 443         if (err)
 444                 goto err_out_free;
 445
 446         return 0;
 447
 448  err_out_free:
 449         core->ir = NULL;
 450         kfree(ir);
 451         return err;
 452 }
 453
 454 int cx88_ir_fini(struct cx88_core *core)
 455 {
 456         struct cx88_IR *ir = core->ir;
 457
 458         /* skip detach on non attached boards */
 459         if (NULL == ir)
 460                 return 0;
 461
 462         cx88_ir_stop(core);
 463         ir_input_unregister(ir->input);
 464         kfree(ir);
 465
 466         /* done */
 467         core->ir = NULL;
 468         return 0;
 469 }
 470
 471 /* ---------------------------------------------------------------------- */
 472
 473 void cx88_ir_irq(struct cx88_core *core)
 474 {
 475         struct cx88_IR *ir = core->ir;
 476         u32 samples, ircode;
 477         int i, start, range, toggle, dev, code;
 478
 479         if (NULL == ir)
 480                 return;
 481         if (!ir->sampling)
 482                 return;
 483
 484         samples = cx_read(MO_SAMPLE_IO);
 485         if (0 != samples && 0xffffffff != samples) {
 486                 /* record sample data */
 487                 if (ir->scount < ARRAY_SIZE(ir->samples))
 488                         ir->samples[ir->scount++] = samples;
 489                 return;
 490         }
 491         if (!ir->scount) {
 492                 /* nothing to sample */
 493                 if (ir->ir.keypressed && time_after(jiffies, ir->release))
 494                         ir_input_nokey(ir->input, &ir->ir);
 495                 return;
 496         }
 497
 498         /* have a complete sample */
 499         if (ir->scount < ARRAY_SIZE(ir->samples))
 500                 ir->samples[ir->scount++] = samples;
 501         for (i = 0; i < ir->scount; i++)
 502                 ir->samples[i] = ~ir->samples[i];
 503         if (ir_debug)
 504                 ir_dump_samples(ir->samples, ir->scount);
 505
 506         /* decode it */
 507         switch (core->boardnr) {
 508         case CX88_BOARD_TEVII_S460:
 509         case CX88_BOARD_TEVII_S420:
 510         case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
 511         case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
 512         case CX88_BOARD_OMICOM_SS4_PCI:
 513         case CX88_BOARD_SATTRADE_ST4200:
 514         case CX88_BOARD_TBS_8920:
 515         case CX88_BOARD_TBS_8910:
 516         case CX88_BOARD_PROF_7300:
 517         case CX88_BOARD_PROF_7301:
 518         case CX88_BOARD_PROF_6200:
 519                 ircode = ir_decode_pulsedistance(ir->samples, ir->scount, 1, 4);
 520
 521                 if (ircode == 0xffffffff) { /* decoding error */
 522                         ir_dprintk("pulse distance decoding error\n");
 523                         break;
 524                 }
 525
 526                 ir_dprintk("pulse distance decoded: %x\n", ircode);
 527
 528                 if (ircode == 0) { /* key still pressed */
 529                         ir_dprintk("pulse distance decoded repeat code\n");
 530                         ir->release = jiffies + msecs_to_jiffies(120);
 531                         break;
 532                 }
 533
 534                 if ((ircode & 0xffff) != (ir->sampling & 0xffff)) { /* wrong address */
 535                         ir_dprintk("pulse distance decoded wrong address\n");
 536                         break;
 537                 }
 538
 539                 if (((~ircode >> 24) & 0xff) != ((ircode >> 16) & 0xff)) { /* wrong checksum */
 540                         ir_dprintk("pulse distance decoded wrong check sum\n");
 541                         break;
 542                 }
 543
 544                 ir_dprintk("Key Code: %x\n", (ircode >> 16) & 0x7f);
 545
 546                 ir_input_keydown(ir->input, &ir->ir, (ircode >> 16) & 0x7f);
 547                 ir->release = jiffies + msecs_to_jiffies(120);
 548                 break;
 549         case CX88_BOARD_HAUPPAUGE:
 550         case CX88_BOARD_HAUPPAUGE_DVB_T1:
 551         case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
 552         case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
 553         case CX88_BOARD_HAUPPAUGE_HVR1100:
 554         case CX88_BOARD_HAUPPAUGE_HVR3000:
 555         case CX88_BOARD_HAUPPAUGE_HVR4000:
 556         case CX88_BOARD_HAUPPAUGE_HVR4000LITE:
 557         case CX88_BOARD_PCHDTV_HD3000:
 558         case CX88_BOARD_PCHDTV_HD5500:
 559         case CX88_BOARD_HAUPPAUGE_IRONLY:
 560                 ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7);
 561                 ir_dprintk("biphase decoded: %x\n", ircode);
 562                 /*
 563                  * RC5 has an extension bit which adds a new range
 564                  * of available codes, this is detected here. Also
 565                  * hauppauge remotes (black/silver) always use
 566                  * specific device ids. If we do not filter the
 567                  * device ids then messages destined for devices
 568                  * such as TVs (id=0) will get through to the
 569                  * device causing mis-fired events.
 570                  */
 571                 /* split rc5 data block ... */
 572                 start = (ircode & 0x2000) >> 13;
 573                 range = (ircode & 0x1000) >> 12;
 574                 toggle= (ircode & 0x0800) >> 11;
 575                 dev   = (ircode & 0x07c0) >> 6;
 576                 code  = (ircode & 0x003f) | ((range << 6) ^ 0x0040);
 577                 if( start != 1)
 578                         /* no key pressed */
 579                         break;
 580                 if ( dev != 0x1e && dev != 0x1f )
 581                         /* not a hauppauge remote */
 582                         break;
 583                 ir_input_keydown(ir->input, &ir->ir, code);
 584                 ir->release = jiffies + msecs_to_jiffies(120);
 585                 break;
 586         case CX88_BOARD_PINNACLE_PCTV_HD_800i:
 587                 ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7);
 588                 ir_dprintk("biphase decoded: %x\n", ircode);
 589                 if ((ircode & 0xfffff000) != 0x3000)
 590                         break;
 591                 ir_input_keydown(ir->input, &ir->ir, ircode & 0x3f);
 592                 ir->release = jiffies + msecs_to_jiffies(120);
 593                 break;
 594         }
 595
 596         ir->scount = 0;
 597         return;
 598 }
 599
 600 /* ---------------------------------------------------------------------- */
 601
 602 MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe");
 603 MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls");
 604 MODULE_LICENSE("GPL");
 605 /*
 606  * Local variables:
 607  * c-basic-offset: 8
 608  * End:
 609  */