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