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 21 #include "cx88.h" 22 23 #include <linux/init.h> 24 #include <linux/hrtimer.h> 25 #include <linux/pci.h> 26 #include <linux/slab.h> 27 #include <linux/module.h> 28 29 #include <media/rc-core.h> 30 31 #define MODULE_NAME "cx88xx" 32 33 /* ---------------------------------------------------------------------- */ 34 35 struct cx88_IR { 36 struct cx88_core *core; 37 struct rc_dev *dev; 38 39 int users; 40 41 char name[32]; 42 char phys[32]; 43 44 /* sample from gpio pin 16 */ 45 u32 sampling; 46 47 /* poll external decoder */ 48 int polling; 49 struct hrtimer timer; 50 u32 gpio_addr; 51 u32 last_gpio; 52 u32 mask_keycode; 53 u32 mask_keydown; 54 u32 mask_keyup; 55 }; 56 57 static unsigned int ir_samplerate = 4; 58 module_param(ir_samplerate, uint, 0444); 59 MODULE_PARM_DESC(ir_samplerate, "IR samplerate in kHz, 1 - 20, default 4"); 60 61 static int ir_debug; 62 module_param(ir_debug, int, 0644); /* debug level [IR] */ 63 MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]"); 64 65 #define ir_dprintk(fmt, arg...) do { \ 66 if (ir_debug) \ 67 printk(KERN_DEBUG "%s IR: " fmt, ir->core->name, ##arg);\ 68 } while (0) 69 70 #define dprintk(fmt, arg...) do { \ 71 if (ir_debug) \ 72 printk(KERN_DEBUG "cx88 IR: " fmt, ##arg); \ 73 } while (0) 74 75 /* ---------------------------------------------------------------------- */ 76 77 static void cx88_ir_handle_key(struct cx88_IR *ir) 78 { 79 struct cx88_core *core = ir->core; 80 u32 gpio, data, auxgpio; 81 82 /* read gpio value */ 83 gpio = cx_read(ir->gpio_addr); 84 switch (core->boardnr) { 85 case CX88_BOARD_NPGTECH_REALTV_TOP10FM: 86 /* 87 * This board apparently uses a combination of 2 GPIO 88 * to represent the keys. Additionally, the second GPIO 89 * can be used for parity. 90 * 91 * Example: 92 * 93 * for key "5" 94 * gpio = 0x758, auxgpio = 0xe5 or 0xf5 95 * for key "Power" 96 * gpio = 0x758, auxgpio = 0xed or 0xfd 97 */ 98 99 auxgpio = cx_read(MO_GP1_IO); 100 /* Take out the parity part */ 101 gpio = (gpio & 0x7fd) + (auxgpio & 0xef); 102 break; 103 case CX88_BOARD_WINFAST_DTV1000: 104 case CX88_BOARD_WINFAST_DTV1800H: 105 case CX88_BOARD_WINFAST_DTV1800H_XC4000: 106 case CX88_BOARD_WINFAST_DTV2000H_PLUS: 107 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: 108 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36: 109 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43: 110 gpio = (gpio & 0x6ff) | ((cx_read(MO_GP1_IO) << 8) & 0x900); 111 auxgpio = gpio; 112 break; 113 default: 114 auxgpio = gpio; 115 } 116 if (ir->polling) { 117 if (ir->last_gpio == auxgpio) 118 return; 119 ir->last_gpio = auxgpio; 120 } 121 122 /* extract data */ 123 data = ir_extract_bits(gpio, ir->mask_keycode); 124 ir_dprintk("irq gpio=0x%x code=%d | %s%s%s\n", 125 gpio, data, 126 ir->polling ? "poll" : "irq", 127 (gpio & ir->mask_keydown) ? " down" : "", 128 (gpio & ir->mask_keyup) ? " up" : ""); 129 130 if (ir->core->boardnr == CX88_BOARD_NORWOOD_MICRO) { 131 u32 gpio_key = cx_read(MO_GP0_IO); 132 133 data = (data << 4) | ((gpio_key & 0xf0) >> 4); 134 135 rc_keydown(ir->dev, RC_TYPE_UNKNOWN, data, 0); 136 137 } else if (ir->core->boardnr == CX88_BOARD_PROLINK_PLAYTVPVR || 138 ir->core->boardnr == CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO) { 139 /* bit cleared on keydown, NEC scancode, 0xAAAACC, A = 0x866b */ 140 u16 addr; 141 u8 cmd; 142 u32 scancode; 143 144 addr = (data >> 8) & 0xffff; 145 cmd = (data >> 0) & 0x00ff; 146 scancode = RC_SCANCODE_NECX(addr, cmd); 147 148 if (0 == (gpio & ir->mask_keyup)) 149 rc_keydown_notimeout(ir->dev, RC_TYPE_NECX, scancode, 150 0); 151 else 152 rc_keyup(ir->dev); 153 154 } else if (ir->mask_keydown) { 155 /* bit set on keydown */ 156 if (gpio & ir->mask_keydown) 157 rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0); 158 else 159 rc_keyup(ir->dev); 160 161 } else if (ir->mask_keyup) { 162 /* bit cleared on keydown */ 163 if (0 == (gpio & ir->mask_keyup)) 164 rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0); 165 else 166 rc_keyup(ir->dev); 167 168 } else { 169 /* can't distinguish keydown/up :-/ */ 170 rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0); 171 rc_keyup(ir->dev); 172 } 173 } 174 175 static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer) 176 { 177 unsigned long missed; 178 struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer); 179 180 cx88_ir_handle_key(ir); 181 missed = hrtimer_forward_now(&ir->timer, ir->polling * 1000000); 182 if (missed > 1) 183 ir_dprintk("Missed ticks %ld\n", missed - 1); 184 185 return HRTIMER_RESTART; 186 } 187 188 static int __cx88_ir_start(void *priv) 189 { 190 struct cx88_core *core = priv; 191 struct cx88_IR *ir; 192 193 if (!core || !core->ir) 194 return -EINVAL; 195 196 ir = core->ir; 197 198 if (ir->polling) { 199 hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); 200 ir->timer.function = cx88_ir_work; 201 hrtimer_start(&ir->timer, ir->polling * 1000000, 202 HRTIMER_MODE_REL); 203 } 204 if (ir->sampling) { 205 core->pci_irqmask |= PCI_INT_IR_SMPINT; 206 cx_write(MO_DDS_IO, 0x33F286 * ir_samplerate); /* samplerate */ 207 cx_write(MO_DDSCFG_IO, 0x5); /* enable */ 208 } 209 return 0; 210 } 211 212 static void __cx88_ir_stop(void *priv) 213 { 214 struct cx88_core *core = priv; 215 struct cx88_IR *ir; 216 217 if (!core || !core->ir) 218 return; 219 220 ir = core->ir; 221 if (ir->sampling) { 222 cx_write(MO_DDSCFG_IO, 0x0); 223 core->pci_irqmask &= ~PCI_INT_IR_SMPINT; 224 } 225 226 if (ir->polling) 227 hrtimer_cancel(&ir->timer); 228 } 229 230 int cx88_ir_start(struct cx88_core *core) 231 { 232 if (core->ir->users) 233 return __cx88_ir_start(core); 234 235 return 0; 236 } 237 EXPORT_SYMBOL(cx88_ir_start); 238 239 void cx88_ir_stop(struct cx88_core *core) 240 { 241 if (core->ir->users) 242 __cx88_ir_stop(core); 243 } 244 EXPORT_SYMBOL(cx88_ir_stop); 245 246 static int cx88_ir_open(struct rc_dev *rc) 247 { 248 struct cx88_core *core = rc->priv; 249 250 core->ir->users++; 251 return __cx88_ir_start(core); 252 } 253 254 static void cx88_ir_close(struct rc_dev *rc) 255 { 256 struct cx88_core *core = rc->priv; 257 258 core->ir->users--; 259 if (!core->ir->users) 260 __cx88_ir_stop(core); 261 } 262 263 /* ---------------------------------------------------------------------- */ 264 265 int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) 266 { 267 struct cx88_IR *ir; 268 struct rc_dev *dev; 269 char *ir_codes = NULL; 270 u64 rc_type = RC_BIT_OTHER; 271 int err = -ENOMEM; 272 u32 hardware_mask = 0; /* For devices with a hardware mask, when 273 * used with a full-code IR table 274 */ 275 276 ir = kzalloc(sizeof(*ir), GFP_KERNEL); 277 dev = rc_allocate_device(RC_DRIVER_IR_RAW); 278 if (!ir || !dev) 279 goto err_out_free; 280 281 ir->dev = dev; 282 283 /* detect & configure */ 284 switch (core->boardnr) { 285 case CX88_BOARD_DNTV_LIVE_DVB_T: 286 case CX88_BOARD_KWORLD_DVB_T: 287 case CX88_BOARD_KWORLD_DVB_T_CX22702: 288 ir_codes = RC_MAP_DNTV_LIVE_DVB_T; 289 ir->gpio_addr = MO_GP1_IO; 290 ir->mask_keycode = 0x1f; 291 ir->mask_keyup = 0x60; 292 ir->polling = 50; /* ms */ 293 break; 294 case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1: 295 ir_codes = RC_MAP_CINERGY_1400; 296 ir->sampling = 0xeb04; /* address */ 297 break; 298 case CX88_BOARD_HAUPPAUGE: 299 case CX88_BOARD_HAUPPAUGE_DVB_T1: 300 case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: 301 case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: 302 case CX88_BOARD_HAUPPAUGE_HVR1100: 303 case CX88_BOARD_HAUPPAUGE_HVR3000: 304 case CX88_BOARD_HAUPPAUGE_HVR4000: 305 case CX88_BOARD_HAUPPAUGE_HVR4000LITE: 306 case CX88_BOARD_PCHDTV_HD3000: 307 case CX88_BOARD_PCHDTV_HD5500: 308 case CX88_BOARD_HAUPPAUGE_IRONLY: 309 ir_codes = RC_MAP_HAUPPAUGE; 310 ir->sampling = 1; 311 break; 312 case CX88_BOARD_WINFAST_DTV2000H: 313 case CX88_BOARD_WINFAST_DTV2000H_J: 314 case CX88_BOARD_WINFAST_DTV1800H: 315 case CX88_BOARD_WINFAST_DTV1800H_XC4000: 316 case CX88_BOARD_WINFAST_DTV2000H_PLUS: 317 ir_codes = RC_MAP_WINFAST; 318 ir->gpio_addr = MO_GP0_IO; 319 ir->mask_keycode = 0x8f8; 320 ir->mask_keyup = 0x100; 321 ir->polling = 50; /* ms */ 322 break; 323 case CX88_BOARD_WINFAST2000XP_EXPERT: 324 case CX88_BOARD_WINFAST_DTV1000: 325 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: 326 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36: 327 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43: 328 ir_codes = RC_MAP_WINFAST; 329 ir->gpio_addr = MO_GP0_IO; 330 ir->mask_keycode = 0x8f8; 331 ir->mask_keyup = 0x100; 332 ir->polling = 1; /* ms */ 333 break; 334 case CX88_BOARD_IODATA_GVBCTV7E: 335 ir_codes = RC_MAP_IODATA_BCTV7E; 336 ir->gpio_addr = MO_GP0_IO; 337 ir->mask_keycode = 0xfd; 338 ir->mask_keydown = 0x02; 339 ir->polling = 5; /* ms */ 340 break; 341 case CX88_BOARD_PROLINK_PLAYTVPVR: 342 case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO: 343 /* 344 * It seems that this hardware is paired with NEC extended 345 * address 0x866b. So, unfortunately, its usage with other 346 * IR's with different address won't work. Still, there are 347 * other IR's from the same manufacturer that works, like the 348 * 002-T mini RC, provided with newer PV hardware 349 */ 350 ir_codes = RC_MAP_PIXELVIEW_MK12; 351 rc_type = RC_BIT_NECX; 352 ir->gpio_addr = MO_GP1_IO; 353 ir->mask_keyup = 0x80; 354 ir->polling = 10; /* ms */ 355 hardware_mask = 0x3f; /* Hardware returns only 6 bits from command part */ 356 break; 357 case CX88_BOARD_PROLINK_PV_8000GT: 358 case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME: 359 ir_codes = RC_MAP_PIXELVIEW_NEW; 360 ir->gpio_addr = MO_GP1_IO; 361 ir->mask_keycode = 0x3f; 362 ir->mask_keyup = 0x80; 363 ir->polling = 1; /* ms */ 364 break; 365 case CX88_BOARD_KWORLD_LTV883: 366 ir_codes = RC_MAP_PIXELVIEW; 367 ir->gpio_addr = MO_GP1_IO; 368 ir->mask_keycode = 0x1f; 369 ir->mask_keyup = 0x60; 370 ir->polling = 1; /* ms */ 371 break; 372 case CX88_BOARD_ADSTECH_DVB_T_PCI: 373 ir_codes = RC_MAP_ADSTECH_DVB_T_PCI; 374 ir->gpio_addr = MO_GP1_IO; 375 ir->mask_keycode = 0xbf; 376 ir->mask_keyup = 0x40; 377 ir->polling = 50; /* ms */ 378 break; 379 case CX88_BOARD_MSI_TVANYWHERE_MASTER: 380 ir_codes = RC_MAP_MSI_TVANYWHERE; 381 ir->gpio_addr = MO_GP1_IO; 382 ir->mask_keycode = 0x1f; 383 ir->mask_keyup = 0x40; 384 ir->polling = 1; /* ms */ 385 break; 386 case CX88_BOARD_AVERTV_303: 387 case CX88_BOARD_AVERTV_STUDIO_303: 388 ir_codes = RC_MAP_AVERTV_303; 389 ir->gpio_addr = MO_GP2_IO; 390 ir->mask_keycode = 0xfb; 391 ir->mask_keydown = 0x02; 392 ir->polling = 50; /* ms */ 393 break; 394 case CX88_BOARD_OMICOM_SS4_PCI: 395 case CX88_BOARD_SATTRADE_ST4200: 396 case CX88_BOARD_TBS_8920: 397 case CX88_BOARD_TBS_8910: 398 case CX88_BOARD_PROF_7300: 399 case CX88_BOARD_PROF_7301: 400 case CX88_BOARD_PROF_6200: 401 ir_codes = RC_MAP_TBS_NEC; 402 ir->sampling = 0xff00; /* address */ 403 break; 404 case CX88_BOARD_TEVII_S464: 405 case CX88_BOARD_TEVII_S460: 406 case CX88_BOARD_TEVII_S420: 407 ir_codes = RC_MAP_TEVII_NEC; 408 ir->sampling = 0xff00; /* address */ 409 break; 410 case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: 411 ir_codes = RC_MAP_DNTV_LIVE_DVBT_PRO; 412 ir->sampling = 0xff00; /* address */ 413 break; 414 case CX88_BOARD_NORWOOD_MICRO: 415 ir_codes = RC_MAP_NORWOOD; 416 ir->gpio_addr = MO_GP1_IO; 417 ir->mask_keycode = 0x0e; 418 ir->mask_keyup = 0x80; 419 ir->polling = 50; /* ms */ 420 break; 421 case CX88_BOARD_NPGTECH_REALTV_TOP10FM: 422 ir_codes = RC_MAP_NPGTECH; 423 ir->gpio_addr = MO_GP0_IO; 424 ir->mask_keycode = 0xfa; 425 ir->polling = 50; /* ms */ 426 break; 427 case CX88_BOARD_PINNACLE_PCTV_HD_800i: 428 ir_codes = RC_MAP_PINNACLE_PCTV_HD; 429 ir->sampling = 1; 430 break; 431 case CX88_BOARD_POWERCOLOR_REAL_ANGEL: 432 ir_codes = RC_MAP_POWERCOLOR_REAL_ANGEL; 433 ir->gpio_addr = MO_GP2_IO; 434 ir->mask_keycode = 0x7e; 435 ir->polling = 100; /* ms */ 436 break; 437 case CX88_BOARD_TWINHAN_VP1027_DVBS: 438 ir_codes = RC_MAP_TWINHAN_VP1027_DVBS; 439 ir->sampling = 0xff00; /* address */ 440 break; 441 } 442 443 if (!ir_codes) { 444 err = -ENODEV; 445 goto err_out_free; 446 } 447 448 /* 449 * The usage of mask_keycode were very convenient, due to several 450 * reasons. Among others, the scancode tables were using the scancode 451 * as the index elements. So, the less bits it was used, the smaller 452 * the table were stored. After the input changes, the better is to use 453 * the full scancodes, since it allows replacing the IR remote by 454 * another one. Unfortunately, there are still some hardware, like 455 * Pixelview Ultra Pro, where only part of the scancode is sent via 456 * GPIO. So, there's no way to get the full scancode. Due to that, 457 * hardware_mask were introduced here: it represents those hardware 458 * that has such limits. 459 */ 460 if (hardware_mask && !ir->mask_keycode) 461 ir->mask_keycode = hardware_mask; 462 463 /* init input device */ 464 snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name); 465 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci)); 466 467 dev->input_name = ir->name; 468 dev->input_phys = ir->phys; 469 dev->input_id.bustype = BUS_PCI; 470 dev->input_id.version = 1; 471 if (pci->subsystem_vendor) { 472 dev->input_id.vendor = pci->subsystem_vendor; 473 dev->input_id.product = pci->subsystem_device; 474 } else { 475 dev->input_id.vendor = pci->vendor; 476 dev->input_id.product = pci->device; 477 } 478 dev->dev.parent = &pci->dev; 479 dev->map_name = ir_codes; 480 dev->driver_name = MODULE_NAME; 481 dev->priv = core; 482 dev->open = cx88_ir_open; 483 dev->close = cx88_ir_close; 484 dev->scancode_mask = hardware_mask; 485 486 if (ir->sampling) { 487 dev->timeout = 10 * 1000 * 1000; /* 10 ms */ 488 } else { 489 dev->driver_type = RC_DRIVER_SCANCODE; 490 dev->allowed_protocols = rc_type; 491 } 492 493 ir->core = core; 494 core->ir = ir; 495 496 /* all done */ 497 err = rc_register_device(dev); 498 if (err) 499 goto err_out_free; 500 501 return 0; 502 503 err_out_free: 504 rc_free_device(dev); 505 core->ir = NULL; 506 kfree(ir); 507 return err; 508 } 509 510 int cx88_ir_fini(struct cx88_core *core) 511 { 512 struct cx88_IR *ir = core->ir; 513 514 /* skip detach on non attached boards */ 515 if (!ir) 516 return 0; 517 518 cx88_ir_stop(core); 519 rc_unregister_device(ir->dev); 520 kfree(ir); 521 522 /* done */ 523 core->ir = NULL; 524 return 0; 525 } 526 527 /* ---------------------------------------------------------------------- */ 528 529 void cx88_ir_irq(struct cx88_core *core) 530 { 531 struct cx88_IR *ir = core->ir; 532 u32 samples; 533 unsigned int todo, bits; 534 struct ir_raw_event ev; 535 536 if (!ir || !ir->sampling) 537 return; 538 539 /* 540 * Samples are stored in a 32 bit register, oldest sample in 541 * the msb. A set bit represents space and an unset bit 542 * represents a pulse. 543 */ 544 samples = cx_read(MO_SAMPLE_IO); 545 546 if (samples == 0xff && ir->dev->idle) 547 return; 548 549 init_ir_raw_event(&ev); 550 for (todo = 32; todo > 0; todo -= bits) { 551 ev.pulse = samples & 0x80000000 ? false : true; 552 bits = min(todo, 32U - fls(ev.pulse ? samples : ~samples)); 553 ev.duration = (bits * (NSEC_PER_SEC / 1000)) / ir_samplerate; 554 ir_raw_event_store_with_filter(ir->dev, &ev); 555 samples <<= bits; 556 } 557 ir_raw_event_handle(ir->dev); 558 } 559 560 static int get_key_pvr2000(struct IR_i2c *ir, enum rc_type *protocol, 561 u32 *scancode, u8 *toggle) 562 { 563 int flags, code; 564 565 /* poll IR chip */ 566 flags = i2c_smbus_read_byte_data(ir->c, 0x10); 567 if (flags < 0) { 568 dprintk("read error\n"); 569 return 0; 570 } 571 /* key pressed ? */ 572 if (0 == (flags & 0x80)) 573 return 0; 574 575 /* read actual key code */ 576 code = i2c_smbus_read_byte_data(ir->c, 0x00); 577 if (code < 0) { 578 dprintk("read error\n"); 579 return 0; 580 } 581 582 dprintk("IR Key/Flags: (0x%02x/0x%02x)\n", 583 code & 0xff, flags & 0xff); 584 585 *protocol = RC_TYPE_UNKNOWN; 586 *scancode = code & 0xff; 587 *toggle = 0; 588 return 1; 589 } 590 591 void cx88_i2c_init_ir(struct cx88_core *core) 592 { 593 struct i2c_board_info info; 594 const unsigned short default_addr_list[] = { 595 0x18, 0x6b, 0x71, 596 I2C_CLIENT_END 597 }; 598 const unsigned short pvr2000_addr_list[] = { 599 0x18, 0x1a, 600 I2C_CLIENT_END 601 }; 602 const unsigned short *addr_list = default_addr_list; 603 const unsigned short *addrp; 604 /* Instantiate the IR receiver device, if present */ 605 if (core->i2c_rc != 0) 606 return; 607 608 memset(&info, 0, sizeof(struct i2c_board_info)); 609 strlcpy(info.type, "ir_video", I2C_NAME_SIZE); 610 611 switch (core->boardnr) { 612 case CX88_BOARD_LEADTEK_PVR2000: 613 addr_list = pvr2000_addr_list; 614 core->init_data.name = "cx88 Leadtek PVR 2000 remote"; 615 core->init_data.type = RC_BIT_UNKNOWN; 616 core->init_data.get_key = get_key_pvr2000; 617 core->init_data.ir_codes = RC_MAP_EMPTY; 618 break; 619 } 620 621 /* 622 * We can't call i2c_new_probed_device() because it uses 623 * quick writes for probing and at least some RC receiver 624 * devices only reply to reads. 625 * Also, Hauppauge XVR needs to be specified, as address 0x71 626 * conflicts with another remote type used with saa7134 627 */ 628 for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) { 629 info.platform_data = NULL; 630 memset(&core->init_data, 0, sizeof(core->init_data)); 631 632 if (*addrp == 0x71) { 633 /* Hauppauge XVR */ 634 core->init_data.name = "cx88 Hauppauge XVR remote"; 635 core->init_data.ir_codes = RC_MAP_HAUPPAUGE; 636 core->init_data.type = RC_BIT_RC5 | RC_BIT_RC6_MCE | 637 RC_BIT_RC6_6A_32; 638 core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; 639 640 info.platform_data = &core->init_data; 641 } 642 if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0, 643 I2C_SMBUS_READ, 0, 644 I2C_SMBUS_QUICK, NULL) >= 0) { 645 info.addr = *addrp; 646 i2c_new_device(&core->i2c_adap, &info); 647 break; 648 } 649 } 650 } 651 652 /* ---------------------------------------------------------------------- */ 653 654 MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe"); 655 MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls"); 656 MODULE_LICENSE("GPL"); 657