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_PROTO_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_PROTO_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_PROTO_UNKNOWN, data, 158 0); 159 else 160 rc_keyup(ir->dev); 161 162 } else if (ir->mask_keyup) { 163 /* bit cleared on keydown */ 164 if (0 == (gpio & ir->mask_keyup)) 165 rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data, 166 0); 167 else 168 rc_keyup(ir->dev); 169 170 } else { 171 /* can't distinguish keydown/up :-/ */ 172 rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data, 0); 173 rc_keyup(ir->dev); 174 } 175 } 176 177 static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer) 178 { 179 unsigned long missed; 180 struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer); 181 182 cx88_ir_handle_key(ir); 183 missed = hrtimer_forward_now(&ir->timer, ir->polling * 1000000); 184 if (missed > 1) 185 ir_dprintk("Missed ticks %ld\n", missed - 1); 186 187 return HRTIMER_RESTART; 188 } 189 190 static int __cx88_ir_start(void *priv) 191 { 192 struct cx88_core *core = priv; 193 struct cx88_IR *ir; 194 195 if (!core || !core->ir) 196 return -EINVAL; 197 198 ir = core->ir; 199 200 if (ir->polling) { 201 hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); 202 ir->timer.function = cx88_ir_work; 203 hrtimer_start(&ir->timer, ir->polling * 1000000, 204 HRTIMER_MODE_REL); 205 } 206 if (ir->sampling) { 207 core->pci_irqmask |= PCI_INT_IR_SMPINT; 208 cx_write(MO_DDS_IO, 0x33F286 * ir_samplerate); /* samplerate */ 209 cx_write(MO_DDSCFG_IO, 0x5); /* enable */ 210 } 211 return 0; 212 } 213 214 static void __cx88_ir_stop(void *priv) 215 { 216 struct cx88_core *core = priv; 217 struct cx88_IR *ir; 218 219 if (!core || !core->ir) 220 return; 221 222 ir = core->ir; 223 if (ir->sampling) { 224 cx_write(MO_DDSCFG_IO, 0x0); 225 core->pci_irqmask &= ~PCI_INT_IR_SMPINT; 226 } 227 228 if (ir->polling) 229 hrtimer_cancel(&ir->timer); 230 } 231 232 int cx88_ir_start(struct cx88_core *core) 233 { 234 if (core->ir->users) 235 return __cx88_ir_start(core); 236 237 return 0; 238 } 239 EXPORT_SYMBOL(cx88_ir_start); 240 241 void cx88_ir_stop(struct cx88_core *core) 242 { 243 if (core->ir->users) 244 __cx88_ir_stop(core); 245 } 246 EXPORT_SYMBOL(cx88_ir_stop); 247 248 static int cx88_ir_open(struct rc_dev *rc) 249 { 250 struct cx88_core *core = rc->priv; 251 252 core->ir->users++; 253 return __cx88_ir_start(core); 254 } 255 256 static void cx88_ir_close(struct rc_dev *rc) 257 { 258 struct cx88_core *core = rc->priv; 259 260 core->ir->users--; 261 if (!core->ir->users) 262 __cx88_ir_stop(core); 263 } 264 265 /* ---------------------------------------------------------------------- */ 266 267 int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) 268 { 269 struct cx88_IR *ir; 270 struct rc_dev *dev; 271 char *ir_codes = NULL; 272 u64 rc_proto = RC_PROTO_BIT_OTHER; 273 int err = -ENOMEM; 274 u32 hardware_mask = 0; /* For devices with a hardware mask, when 275 * used with a full-code IR table 276 */ 277 278 ir = kzalloc(sizeof(*ir), GFP_KERNEL); 279 dev = rc_allocate_device(RC_DRIVER_IR_RAW); 280 if (!ir || !dev) 281 goto err_out_free; 282 283 ir->dev = dev; 284 285 /* detect & configure */ 286 switch (core->boardnr) { 287 case CX88_BOARD_DNTV_LIVE_DVB_T: 288 case CX88_BOARD_KWORLD_DVB_T: 289 case CX88_BOARD_KWORLD_DVB_T_CX22702: 290 ir_codes = RC_MAP_DNTV_LIVE_DVB_T; 291 ir->gpio_addr = MO_GP1_IO; 292 ir->mask_keycode = 0x1f; 293 ir->mask_keyup = 0x60; 294 ir->polling = 50; /* ms */ 295 break; 296 case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1: 297 ir_codes = RC_MAP_CINERGY_1400; 298 ir->sampling = 0xeb04; /* address */ 299 break; 300 case CX88_BOARD_HAUPPAUGE: 301 case CX88_BOARD_HAUPPAUGE_DVB_T1: 302 case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: 303 case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: 304 case CX88_BOARD_HAUPPAUGE_HVR1100: 305 case CX88_BOARD_HAUPPAUGE_HVR3000: 306 case CX88_BOARD_HAUPPAUGE_HVR4000: 307 case CX88_BOARD_HAUPPAUGE_HVR4000LITE: 308 case CX88_BOARD_PCHDTV_HD3000: 309 case CX88_BOARD_PCHDTV_HD5500: 310 case CX88_BOARD_HAUPPAUGE_IRONLY: 311 ir_codes = RC_MAP_HAUPPAUGE; 312 ir->sampling = 1; 313 break; 314 case CX88_BOARD_WINFAST_DTV2000H: 315 case CX88_BOARD_WINFAST_DTV2000H_J: 316 case CX88_BOARD_WINFAST_DTV1800H: 317 case CX88_BOARD_WINFAST_DTV1800H_XC4000: 318 case CX88_BOARD_WINFAST_DTV2000H_PLUS: 319 ir_codes = RC_MAP_WINFAST; 320 ir->gpio_addr = MO_GP0_IO; 321 ir->mask_keycode = 0x8f8; 322 ir->mask_keyup = 0x100; 323 ir->polling = 50; /* ms */ 324 break; 325 case CX88_BOARD_WINFAST2000XP_EXPERT: 326 case CX88_BOARD_WINFAST_DTV1000: 327 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: 328 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36: 329 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43: 330 ir_codes = RC_MAP_WINFAST; 331 ir->gpio_addr = MO_GP0_IO; 332 ir->mask_keycode = 0x8f8; 333 ir->mask_keyup = 0x100; 334 ir->polling = 1; /* ms */ 335 break; 336 case CX88_BOARD_IODATA_GVBCTV7E: 337 ir_codes = RC_MAP_IODATA_BCTV7E; 338 ir->gpio_addr = MO_GP0_IO; 339 ir->mask_keycode = 0xfd; 340 ir->mask_keydown = 0x02; 341 ir->polling = 5; /* ms */ 342 break; 343 case CX88_BOARD_PROLINK_PLAYTVPVR: 344 case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO: 345 /* 346 * It seems that this hardware is paired with NEC extended 347 * address 0x866b. So, unfortunately, its usage with other 348 * IR's with different address won't work. Still, there are 349 * other IR's from the same manufacturer that works, like the 350 * 002-T mini RC, provided with newer PV hardware 351 */ 352 ir_codes = RC_MAP_PIXELVIEW_MK12; 353 rc_proto = RC_PROTO_BIT_NECX; 354 ir->gpio_addr = MO_GP1_IO; 355 ir->mask_keyup = 0x80; 356 ir->polling = 10; /* ms */ 357 hardware_mask = 0x3f; /* Hardware returns only 6 bits from command part */ 358 break; 359 case CX88_BOARD_PROLINK_PV_8000GT: 360 case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME: 361 ir_codes = RC_MAP_PIXELVIEW_NEW; 362 ir->gpio_addr = MO_GP1_IO; 363 ir->mask_keycode = 0x3f; 364 ir->mask_keyup = 0x80; 365 ir->polling = 1; /* ms */ 366 break; 367 case CX88_BOARD_KWORLD_LTV883: 368 ir_codes = RC_MAP_PIXELVIEW; 369 ir->gpio_addr = MO_GP1_IO; 370 ir->mask_keycode = 0x1f; 371 ir->mask_keyup = 0x60; 372 ir->polling = 1; /* ms */ 373 break; 374 case CX88_BOARD_ADSTECH_DVB_T_PCI: 375 ir_codes = RC_MAP_ADSTECH_DVB_T_PCI; 376 ir->gpio_addr = MO_GP1_IO; 377 ir->mask_keycode = 0xbf; 378 ir->mask_keyup = 0x40; 379 ir->polling = 50; /* ms */ 380 break; 381 case CX88_BOARD_MSI_TVANYWHERE_MASTER: 382 ir_codes = RC_MAP_MSI_TVANYWHERE; 383 ir->gpio_addr = MO_GP1_IO; 384 ir->mask_keycode = 0x1f; 385 ir->mask_keyup = 0x40; 386 ir->polling = 1; /* ms */ 387 break; 388 case CX88_BOARD_AVERTV_303: 389 case CX88_BOARD_AVERTV_STUDIO_303: 390 ir_codes = RC_MAP_AVERTV_303; 391 ir->gpio_addr = MO_GP2_IO; 392 ir->mask_keycode = 0xfb; 393 ir->mask_keydown = 0x02; 394 ir->polling = 50; /* ms */ 395 break; 396 case CX88_BOARD_OMICOM_SS4_PCI: 397 case CX88_BOARD_SATTRADE_ST4200: 398 case CX88_BOARD_TBS_8920: 399 case CX88_BOARD_TBS_8910: 400 case CX88_BOARD_PROF_7300: 401 case CX88_BOARD_PROF_7301: 402 case CX88_BOARD_PROF_6200: 403 ir_codes = RC_MAP_TBS_NEC; 404 ir->sampling = 0xff00; /* address */ 405 break; 406 case CX88_BOARD_TEVII_S464: 407 case CX88_BOARD_TEVII_S460: 408 case CX88_BOARD_TEVII_S420: 409 ir_codes = RC_MAP_TEVII_NEC; 410 ir->sampling = 0xff00; /* address */ 411 break; 412 case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: 413 ir_codes = RC_MAP_DNTV_LIVE_DVBT_PRO; 414 ir->sampling = 0xff00; /* address */ 415 break; 416 case CX88_BOARD_NORWOOD_MICRO: 417 ir_codes = RC_MAP_NORWOOD; 418 ir->gpio_addr = MO_GP1_IO; 419 ir->mask_keycode = 0x0e; 420 ir->mask_keyup = 0x80; 421 ir->polling = 50; /* ms */ 422 break; 423 case CX88_BOARD_NPGTECH_REALTV_TOP10FM: 424 ir_codes = RC_MAP_NPGTECH; 425 ir->gpio_addr = MO_GP0_IO; 426 ir->mask_keycode = 0xfa; 427 ir->polling = 50; /* ms */ 428 break; 429 case CX88_BOARD_PINNACLE_PCTV_HD_800i: 430 ir_codes = RC_MAP_PINNACLE_PCTV_HD; 431 ir->sampling = 1; 432 break; 433 case CX88_BOARD_POWERCOLOR_REAL_ANGEL: 434 ir_codes = RC_MAP_POWERCOLOR_REAL_ANGEL; 435 ir->gpio_addr = MO_GP2_IO; 436 ir->mask_keycode = 0x7e; 437 ir->polling = 100; /* ms */ 438 break; 439 case CX88_BOARD_TWINHAN_VP1027_DVBS: 440 ir_codes = RC_MAP_TWINHAN_VP1027_DVBS; 441 ir->sampling = 0xff00; /* address */ 442 break; 443 } 444 445 if (!ir_codes) { 446 err = -ENODEV; 447 goto err_out_free; 448 } 449 450 /* 451 * The usage of mask_keycode were very convenient, due to several 452 * reasons. Among others, the scancode tables were using the scancode 453 * as the index elements. So, the less bits it was used, the smaller 454 * the table were stored. After the input changes, the better is to use 455 * the full scancodes, since it allows replacing the IR remote by 456 * another one. Unfortunately, there are still some hardware, like 457 * Pixelview Ultra Pro, where only part of the scancode is sent via 458 * GPIO. So, there's no way to get the full scancode. Due to that, 459 * hardware_mask were introduced here: it represents those hardware 460 * that has such limits. 461 */ 462 if (hardware_mask && !ir->mask_keycode) 463 ir->mask_keycode = hardware_mask; 464 465 /* init input device */ 466 snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name); 467 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci)); 468 469 dev->device_name = ir->name; 470 dev->input_phys = ir->phys; 471 dev->input_id.bustype = BUS_PCI; 472 dev->input_id.version = 1; 473 if (pci->subsystem_vendor) { 474 dev->input_id.vendor = pci->subsystem_vendor; 475 dev->input_id.product = pci->subsystem_device; 476 } else { 477 dev->input_id.vendor = pci->vendor; 478 dev->input_id.product = pci->device; 479 } 480 dev->dev.parent = &pci->dev; 481 dev->map_name = ir_codes; 482 dev->driver_name = MODULE_NAME; 483 dev->priv = core; 484 dev->open = cx88_ir_open; 485 dev->close = cx88_ir_close; 486 dev->scancode_mask = hardware_mask; 487 488 if (ir->sampling) { 489 dev->timeout = 10 * 1000 * 1000; /* 10 ms */ 490 } else { 491 dev->driver_type = RC_DRIVER_SCANCODE; 492 dev->allowed_protocols = rc_proto; 493 } 494 495 ir->core = core; 496 core->ir = ir; 497 498 /* all done */ 499 err = rc_register_device(dev); 500 if (err) 501 goto err_out_free; 502 503 return 0; 504 505 err_out_free: 506 rc_free_device(dev); 507 core->ir = NULL; 508 kfree(ir); 509 return err; 510 } 511 512 int cx88_ir_fini(struct cx88_core *core) 513 { 514 struct cx88_IR *ir = core->ir; 515 516 /* skip detach on non attached boards */ 517 if (!ir) 518 return 0; 519 520 cx88_ir_stop(core); 521 rc_unregister_device(ir->dev); 522 kfree(ir); 523 524 /* done */ 525 core->ir = NULL; 526 return 0; 527 } 528 529 /* ---------------------------------------------------------------------- */ 530 531 void cx88_ir_irq(struct cx88_core *core) 532 { 533 struct cx88_IR *ir = core->ir; 534 u32 samples; 535 unsigned int todo, bits; 536 struct ir_raw_event ev; 537 538 if (!ir || !ir->sampling) 539 return; 540 541 /* 542 * Samples are stored in a 32 bit register, oldest sample in 543 * the msb. A set bit represents space and an unset bit 544 * represents a pulse. 545 */ 546 samples = cx_read(MO_SAMPLE_IO); 547 548 if (samples == 0xff && ir->dev->idle) 549 return; 550 551 init_ir_raw_event(&ev); 552 for (todo = 32; todo > 0; todo -= bits) { 553 ev.pulse = samples & 0x80000000 ? false : true; 554 bits = min(todo, 32U - fls(ev.pulse ? samples : ~samples)); 555 ev.duration = (bits * (NSEC_PER_SEC / 1000)) / ir_samplerate; 556 ir_raw_event_store_with_filter(ir->dev, &ev); 557 samples <<= bits; 558 } 559 ir_raw_event_handle(ir->dev); 560 } 561 562 static int get_key_pvr2000(struct IR_i2c *ir, enum rc_proto *protocol, 563 u32 *scancode, u8 *toggle) 564 { 565 int flags, code; 566 567 /* poll IR chip */ 568 flags = i2c_smbus_read_byte_data(ir->c, 0x10); 569 if (flags < 0) { 570 dprintk("read error\n"); 571 return 0; 572 } 573 /* key pressed ? */ 574 if (0 == (flags & 0x80)) 575 return 0; 576 577 /* read actual key code */ 578 code = i2c_smbus_read_byte_data(ir->c, 0x00); 579 if (code < 0) { 580 dprintk("read error\n"); 581 return 0; 582 } 583 584 dprintk("IR Key/Flags: (0x%02x/0x%02x)\n", 585 code & 0xff, flags & 0xff); 586 587 *protocol = RC_PROTO_UNKNOWN; 588 *scancode = code & 0xff; 589 *toggle = 0; 590 return 1; 591 } 592 593 void cx88_i2c_init_ir(struct cx88_core *core) 594 { 595 struct i2c_board_info info; 596 const unsigned short default_addr_list[] = { 597 0x18, 0x6b, 0x71, 598 I2C_CLIENT_END 599 }; 600 const unsigned short pvr2000_addr_list[] = { 601 0x18, 0x1a, 602 I2C_CLIENT_END 603 }; 604 const unsigned short *addr_list = default_addr_list; 605 const unsigned short *addrp; 606 /* Instantiate the IR receiver device, if present */ 607 if (core->i2c_rc != 0) 608 return; 609 610 memset(&info, 0, sizeof(struct i2c_board_info)); 611 strlcpy(info.type, "ir_video", I2C_NAME_SIZE); 612 613 switch (core->boardnr) { 614 case CX88_BOARD_LEADTEK_PVR2000: 615 addr_list = pvr2000_addr_list; 616 core->init_data.name = "cx88 Leadtek PVR 2000 remote"; 617 core->init_data.type = RC_PROTO_BIT_UNKNOWN; 618 core->init_data.get_key = get_key_pvr2000; 619 core->init_data.ir_codes = RC_MAP_EMPTY; 620 break; 621 } 622 623 /* 624 * We can't call i2c_new_probed_device() because it uses 625 * quick writes for probing and at least some RC receiver 626 * devices only reply to reads. 627 * Also, Hauppauge XVR needs to be specified, as address 0x71 628 * conflicts with another remote type used with saa7134 629 */ 630 for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) { 631 info.platform_data = NULL; 632 memset(&core->init_data, 0, sizeof(core->init_data)); 633 634 if (*addrp == 0x71) { 635 /* Hauppauge XVR */ 636 core->init_data.name = "cx88 Hauppauge XVR remote"; 637 core->init_data.ir_codes = RC_MAP_HAUPPAUGE; 638 core->init_data.type = RC_PROTO_BIT_RC5 | 639 RC_PROTO_BIT_RC6_MCE | RC_PROTO_BIT_RC6_6A_32; 640 core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; 641 642 info.platform_data = &core->init_data; 643 } 644 if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0, 645 I2C_SMBUS_READ, 0, 646 I2C_SMBUS_QUICK, NULL) >= 0) { 647 info.addr = *addrp; 648 i2c_new_device(&core->i2c_adap, &info); 649 break; 650 } 651 } 652 } 653 654 /* ---------------------------------------------------------------------- */ 655 656 MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe"); 657 MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls"); 658 MODULE_LICENSE("GPL"); 659