1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * 4 * Device driver for GPIO attached remote control interfaces 5 * on Conexant 2388x based TV/DVB cards. 6 * 7 * Copyright (c) 2003 Pavel Machek 8 * Copyright (c) 2004 Gerd Knorr 9 * Copyright (c) 2004, 2005 Chris Pascoe 10 */ 11 12 #include "cx88.h" 13 14 #include <linux/init.h> 15 #include <linux/hrtimer.h> 16 #include <linux/pci.h> 17 #include <linux/slab.h> 18 #include <linux/module.h> 19 20 #include <media/rc-core.h> 21 22 #define MODULE_NAME "cx88xx" 23 24 /* ---------------------------------------------------------------------- */ 25 26 struct cx88_IR { 27 struct cx88_core *core; 28 struct rc_dev *dev; 29 30 int users; 31 32 char name[32]; 33 char phys[32]; 34 35 /* sample from gpio pin 16 */ 36 u32 sampling; 37 38 /* poll external decoder */ 39 int polling; 40 struct hrtimer timer; 41 u32 gpio_addr; 42 u32 last_gpio; 43 u32 mask_keycode; 44 u32 mask_keydown; 45 u32 mask_keyup; 46 }; 47 48 static unsigned int ir_samplerate = 4; 49 module_param(ir_samplerate, uint, 0444); 50 MODULE_PARM_DESC(ir_samplerate, "IR samplerate in kHz, 1 - 20, default 4"); 51 52 static int ir_debug; 53 module_param(ir_debug, int, 0644); /* debug level [IR] */ 54 MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]"); 55 56 #define ir_dprintk(fmt, arg...) do { \ 57 if (ir_debug) \ 58 printk(KERN_DEBUG "%s IR: " fmt, ir->core->name, ##arg);\ 59 } while (0) 60 61 #define dprintk(fmt, arg...) do { \ 62 if (ir_debug) \ 63 printk(KERN_DEBUG "cx88 IR: " fmt, ##arg); \ 64 } while (0) 65 66 /* ---------------------------------------------------------------------- */ 67 68 static void cx88_ir_handle_key(struct cx88_IR *ir) 69 { 70 struct cx88_core *core = ir->core; 71 u32 gpio, data, auxgpio; 72 73 /* read gpio value */ 74 gpio = cx_read(ir->gpio_addr); 75 switch (core->boardnr) { 76 case CX88_BOARD_NPGTECH_REALTV_TOP10FM: 77 /* 78 * This board apparently uses a combination of 2 GPIO 79 * to represent the keys. Additionally, the second GPIO 80 * can be used for parity. 81 * 82 * Example: 83 * 84 * for key "5" 85 * gpio = 0x758, auxgpio = 0xe5 or 0xf5 86 * for key "Power" 87 * gpio = 0x758, auxgpio = 0xed or 0xfd 88 */ 89 90 auxgpio = cx_read(MO_GP1_IO); 91 /* Take out the parity part */ 92 gpio = (gpio & 0x7fd) + (auxgpio & 0xef); 93 break; 94 case CX88_BOARD_WINFAST_DTV1000: 95 case CX88_BOARD_WINFAST_DTV1800H: 96 case CX88_BOARD_WINFAST_DTV1800H_XC4000: 97 case CX88_BOARD_WINFAST_DTV2000H_PLUS: 98 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: 99 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36: 100 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43: 101 gpio = (gpio & 0x6ff) | ((cx_read(MO_GP1_IO) << 8) & 0x900); 102 auxgpio = gpio; 103 break; 104 default: 105 auxgpio = gpio; 106 } 107 if (ir->polling) { 108 if (ir->last_gpio == auxgpio) 109 return; 110 ir->last_gpio = auxgpio; 111 } 112 113 /* extract data */ 114 data = ir_extract_bits(gpio, ir->mask_keycode); 115 ir_dprintk("irq gpio=0x%x code=%d | %s%s%s\n", 116 gpio, data, 117 ir->polling ? "poll" : "irq", 118 (gpio & ir->mask_keydown) ? " down" : "", 119 (gpio & ir->mask_keyup) ? " up" : ""); 120 121 if (ir->core->boardnr == CX88_BOARD_NORWOOD_MICRO) { 122 u32 gpio_key = cx_read(MO_GP0_IO); 123 124 data = (data << 4) | ((gpio_key & 0xf0) >> 4); 125 126 rc_keydown(ir->dev, RC_PROTO_UNKNOWN, data, 0); 127 128 } else if (ir->core->boardnr == CX88_BOARD_PROLINK_PLAYTVPVR || 129 ir->core->boardnr == CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO) { 130 /* bit cleared on keydown, NEC scancode, 0xAAAACC, A = 0x866b */ 131 u16 addr; 132 u8 cmd; 133 u32 scancode; 134 135 addr = (data >> 8) & 0xffff; 136 cmd = (data >> 0) & 0x00ff; 137 scancode = RC_SCANCODE_NECX(addr, cmd); 138 139 if (0 == (gpio & ir->mask_keyup)) 140 rc_keydown_notimeout(ir->dev, RC_PROTO_NECX, scancode, 141 0); 142 else 143 rc_keyup(ir->dev); 144 145 } else if (ir->mask_keydown) { 146 /* bit set on keydown */ 147 if (gpio & ir->mask_keydown) 148 rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data, 149 0); 150 else 151 rc_keyup(ir->dev); 152 153 } else if (ir->mask_keyup) { 154 /* bit cleared on keydown */ 155 if (0 == (gpio & ir->mask_keyup)) 156 rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data, 157 0); 158 else 159 rc_keyup(ir->dev); 160 161 } else { 162 /* can't distinguish keydown/up :-/ */ 163 rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data, 0); 164 rc_keyup(ir->dev); 165 } 166 } 167 168 static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer) 169 { 170 u64 missed; 171 struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer); 172 173 cx88_ir_handle_key(ir); 174 missed = hrtimer_forward_now(&ir->timer, 175 ktime_set(0, ir->polling * 1000000)); 176 if (missed > 1) 177 ir_dprintk("Missed ticks %llu\n", missed - 1); 178 179 return HRTIMER_RESTART; 180 } 181 182 static int __cx88_ir_start(void *priv) 183 { 184 struct cx88_core *core = priv; 185 struct cx88_IR *ir; 186 187 if (!core || !core->ir) 188 return -EINVAL; 189 190 ir = core->ir; 191 192 if (ir->polling) { 193 hrtimer_setup(&ir->timer, cx88_ir_work, CLOCK_MONOTONIC, HRTIMER_MODE_REL); 194 hrtimer_start(&ir->timer, 195 ktime_set(0, ir->polling * 1000000), 196 HRTIMER_MODE_REL); 197 } 198 if (ir->sampling) { 199 core->pci_irqmask |= PCI_INT_IR_SMPINT; 200 cx_write(MO_DDS_IO, 0x33F286 * ir_samplerate); /* samplerate */ 201 cx_write(MO_DDSCFG_IO, 0x5); /* enable */ 202 } 203 return 0; 204 } 205 206 static void __cx88_ir_stop(void *priv) 207 { 208 struct cx88_core *core = priv; 209 struct cx88_IR *ir; 210 211 if (!core || !core->ir) 212 return; 213 214 ir = core->ir; 215 if (ir->sampling) { 216 cx_write(MO_DDSCFG_IO, 0x0); 217 core->pci_irqmask &= ~PCI_INT_IR_SMPINT; 218 } 219 220 if (ir->polling) 221 hrtimer_cancel(&ir->timer); 222 } 223 224 int cx88_ir_start(struct cx88_core *core) 225 { 226 if (core->ir->users) 227 return __cx88_ir_start(core); 228 229 return 0; 230 } 231 EXPORT_SYMBOL(cx88_ir_start); 232 233 void cx88_ir_stop(struct cx88_core *core) 234 { 235 if (core->ir->users) 236 __cx88_ir_stop(core); 237 } 238 EXPORT_SYMBOL(cx88_ir_stop); 239 240 static int cx88_ir_open(struct rc_dev *rc) 241 { 242 struct cx88_core *core = rc->priv; 243 244 core->ir->users++; 245 return __cx88_ir_start(core); 246 } 247 248 static void cx88_ir_close(struct rc_dev *rc) 249 { 250 struct cx88_core *core = rc->priv; 251 252 core->ir->users--; 253 if (!core->ir->users) 254 __cx88_ir_stop(core); 255 } 256 257 /* ---------------------------------------------------------------------- */ 258 259 int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) 260 { 261 struct cx88_IR *ir; 262 struct rc_dev *dev; 263 char *ir_codes = NULL; 264 u64 rc_proto = RC_PROTO_BIT_OTHER; 265 int err = -ENOMEM; 266 u32 hardware_mask = 0; /* For devices with a hardware mask, when 267 * used with a full-code IR table 268 */ 269 270 ir = kzalloc(sizeof(*ir), GFP_KERNEL); 271 dev = rc_allocate_device(RC_DRIVER_IR_RAW); 272 if (!ir || !dev) 273 goto err_out_free; 274 275 ir->dev = dev; 276 277 /* detect & configure */ 278 switch (core->boardnr) { 279 case CX88_BOARD_DNTV_LIVE_DVB_T: 280 case CX88_BOARD_KWORLD_DVB_T: 281 case CX88_BOARD_KWORLD_DVB_T_CX22702: 282 ir_codes = RC_MAP_DNTV_LIVE_DVB_T; 283 ir->gpio_addr = MO_GP1_IO; 284 ir->mask_keycode = 0x1f; 285 ir->mask_keyup = 0x60; 286 ir->polling = 50; /* ms */ 287 break; 288 case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1: 289 ir_codes = RC_MAP_CINERGY_1400; 290 ir->sampling = 0xeb04; /* address */ 291 break; 292 case CX88_BOARD_HAUPPAUGE: 293 case CX88_BOARD_HAUPPAUGE_DVB_T1: 294 case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: 295 case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: 296 case CX88_BOARD_HAUPPAUGE_HVR1100: 297 case CX88_BOARD_HAUPPAUGE_HVR3000: 298 case CX88_BOARD_HAUPPAUGE_HVR4000: 299 case CX88_BOARD_HAUPPAUGE_HVR4000LITE: 300 case CX88_BOARD_PCHDTV_HD3000: 301 case CX88_BOARD_PCHDTV_HD5500: 302 case CX88_BOARD_HAUPPAUGE_IRONLY: 303 ir_codes = RC_MAP_HAUPPAUGE; 304 ir->sampling = 1; 305 break; 306 case CX88_BOARD_WINFAST_DTV2000H: 307 case CX88_BOARD_WINFAST_DTV2000H_J: 308 case CX88_BOARD_WINFAST_DTV1800H: 309 case CX88_BOARD_WINFAST_DTV1800H_XC4000: 310 case CX88_BOARD_WINFAST_DTV2000H_PLUS: 311 ir_codes = RC_MAP_WINFAST; 312 ir->gpio_addr = MO_GP0_IO; 313 ir->mask_keycode = 0x8f8; 314 ir->mask_keyup = 0x100; 315 ir->polling = 50; /* ms */ 316 break; 317 case CX88_BOARD_WINFAST2000XP_EXPERT: 318 case CX88_BOARD_WINFAST_DTV1000: 319 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: 320 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36: 321 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43: 322 ir_codes = RC_MAP_WINFAST; 323 ir->gpio_addr = MO_GP0_IO; 324 ir->mask_keycode = 0x8f8; 325 ir->mask_keyup = 0x100; 326 ir->polling = 1; /* ms */ 327 break; 328 case CX88_BOARD_IODATA_GVBCTV7E: 329 ir_codes = RC_MAP_IODATA_BCTV7E; 330 ir->gpio_addr = MO_GP0_IO; 331 ir->mask_keycode = 0xfd; 332 ir->mask_keydown = 0x02; 333 ir->polling = 5; /* ms */ 334 break; 335 case CX88_BOARD_PROLINK_PLAYTVPVR: 336 case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO: 337 /* 338 * It seems that this hardware is paired with NEC extended 339 * address 0x866b. So, unfortunately, its usage with other 340 * IR's with different address won't work. Still, there are 341 * other IR's from the same manufacturer that works, like the 342 * 002-T mini RC, provided with newer PV hardware 343 */ 344 ir_codes = RC_MAP_PIXELVIEW_MK12; 345 rc_proto = RC_PROTO_BIT_NECX; 346 ir->gpio_addr = MO_GP1_IO; 347 ir->mask_keyup = 0x80; 348 ir->polling = 10; /* ms */ 349 hardware_mask = 0x3f; /* Hardware returns only 6 bits from command part */ 350 break; 351 case CX88_BOARD_PROLINK_PV_8000GT: 352 case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME: 353 ir_codes = RC_MAP_PIXELVIEW_NEW; 354 ir->gpio_addr = MO_GP1_IO; 355 ir->mask_keycode = 0x3f; 356 ir->mask_keyup = 0x80; 357 ir->polling = 1; /* ms */ 358 break; 359 case CX88_BOARD_KWORLD_LTV883: 360 ir_codes = RC_MAP_PIXELVIEW; 361 ir->gpio_addr = MO_GP1_IO; 362 ir->mask_keycode = 0x1f; 363 ir->mask_keyup = 0x60; 364 ir->polling = 1; /* ms */ 365 break; 366 case CX88_BOARD_ADSTECH_DVB_T_PCI: 367 ir_codes = RC_MAP_ADSTECH_DVB_T_PCI; 368 ir->gpio_addr = MO_GP1_IO; 369 ir->mask_keycode = 0xbf; 370 ir->mask_keyup = 0x40; 371 ir->polling = 50; /* ms */ 372 break; 373 case CX88_BOARD_MSI_TVANYWHERE_MASTER: 374 ir_codes = RC_MAP_MSI_TVANYWHERE; 375 ir->gpio_addr = MO_GP1_IO; 376 ir->mask_keycode = 0x1f; 377 ir->mask_keyup = 0x40; 378 ir->polling = 1; /* ms */ 379 break; 380 case CX88_BOARD_AVERTV_303: 381 case CX88_BOARD_AVERTV_STUDIO_303: 382 ir_codes = RC_MAP_AVERTV_303; 383 ir->gpio_addr = MO_GP2_IO; 384 ir->mask_keycode = 0xfb; 385 ir->mask_keydown = 0x02; 386 ir->polling = 50; /* ms */ 387 break; 388 case CX88_BOARD_OMICOM_SS4_PCI: 389 case CX88_BOARD_SATTRADE_ST4200: 390 case CX88_BOARD_TBS_8920: 391 case CX88_BOARD_TBS_8910: 392 case CX88_BOARD_PROF_7300: 393 case CX88_BOARD_PROF_7301: 394 case CX88_BOARD_PROF_6200: 395 ir_codes = RC_MAP_TBS_NEC; 396 ir->sampling = 0xff00; /* address */ 397 break; 398 case CX88_BOARD_TEVII_S464: 399 case CX88_BOARD_TEVII_S460: 400 case CX88_BOARD_TEVII_S420: 401 ir_codes = RC_MAP_TEVII_NEC; 402 ir->sampling = 0xff00; /* address */ 403 break; 404 case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: 405 ir_codes = RC_MAP_DNTV_LIVE_DVBT_PRO; 406 ir->sampling = 0xff00; /* address */ 407 break; 408 case CX88_BOARD_NORWOOD_MICRO: 409 ir_codes = RC_MAP_NORWOOD; 410 ir->gpio_addr = MO_GP1_IO; 411 ir->mask_keycode = 0x0e; 412 ir->mask_keyup = 0x80; 413 ir->polling = 50; /* ms */ 414 break; 415 case CX88_BOARD_NPGTECH_REALTV_TOP10FM: 416 ir_codes = RC_MAP_NPGTECH; 417 ir->gpio_addr = MO_GP0_IO; 418 ir->mask_keycode = 0xfa; 419 ir->polling = 50; /* ms */ 420 break; 421 case CX88_BOARD_PINNACLE_PCTV_HD_800i: 422 ir_codes = RC_MAP_PINNACLE_PCTV_HD; 423 ir->sampling = 1; 424 break; 425 case CX88_BOARD_POWERCOLOR_REAL_ANGEL: 426 ir_codes = RC_MAP_POWERCOLOR_REAL_ANGEL; 427 ir->gpio_addr = MO_GP2_IO; 428 ir->mask_keycode = 0x7e; 429 ir->polling = 100; /* ms */ 430 break; 431 case CX88_BOARD_TWINHAN_VP1027_DVBS: 432 ir_codes = RC_MAP_TWINHAN_VP1027_DVBS; 433 ir->sampling = 0xff00; /* address */ 434 break; 435 } 436 437 if (!ir_codes) { 438 err = -ENODEV; 439 goto err_out_free; 440 } 441 442 /* 443 * The usage of mask_keycode were very convenient, due to several 444 * reasons. Among others, the scancode tables were using the scancode 445 * as the index elements. So, the less bits it was used, the smaller 446 * the table were stored. After the input changes, the better is to use 447 * the full scancodes, since it allows replacing the IR remote by 448 * another one. Unfortunately, there are still some hardware, like 449 * Pixelview Ultra Pro, where only part of the scancode is sent via 450 * GPIO. So, there's no way to get the full scancode. Due to that, 451 * hardware_mask were introduced here: it represents those hardware 452 * that has such limits. 453 */ 454 if (hardware_mask && !ir->mask_keycode) 455 ir->mask_keycode = hardware_mask; 456 457 /* init input device */ 458 snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name); 459 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci)); 460 461 dev->device_name = ir->name; 462 dev->input_phys = ir->phys; 463 dev->input_id.bustype = BUS_PCI; 464 dev->input_id.version = 1; 465 if (pci->subsystem_vendor) { 466 dev->input_id.vendor = pci->subsystem_vendor; 467 dev->input_id.product = pci->subsystem_device; 468 } else { 469 dev->input_id.vendor = pci->vendor; 470 dev->input_id.product = pci->device; 471 } 472 dev->dev.parent = &pci->dev; 473 dev->map_name = ir_codes; 474 dev->driver_name = MODULE_NAME; 475 dev->priv = core; 476 dev->open = cx88_ir_open; 477 dev->close = cx88_ir_close; 478 dev->scancode_mask = hardware_mask; 479 480 if (ir->sampling) { 481 dev->timeout = MS_TO_US(10); /* 10 ms */ 482 } else { 483 dev->driver_type = RC_DRIVER_SCANCODE; 484 dev->allowed_protocols = rc_proto; 485 } 486 487 ir->core = core; 488 core->ir = ir; 489 490 /* all done */ 491 err = rc_register_device(dev); 492 if (err) 493 goto err_out_free; 494 495 return 0; 496 497 err_out_free: 498 rc_free_device(dev); 499 core->ir = NULL; 500 kfree(ir); 501 return err; 502 } 503 504 int cx88_ir_fini(struct cx88_core *core) 505 { 506 struct cx88_IR *ir = core->ir; 507 508 /* skip detach on non attached boards */ 509 if (!ir) 510 return 0; 511 512 cx88_ir_stop(core); 513 rc_unregister_device(ir->dev); 514 kfree(ir); 515 516 /* done */ 517 core->ir = NULL; 518 return 0; 519 } 520 521 /* ---------------------------------------------------------------------- */ 522 523 void cx88_ir_irq(struct cx88_core *core) 524 { 525 struct cx88_IR *ir = core->ir; 526 u32 samples; 527 unsigned int todo, bits; 528 struct ir_raw_event ev = {}; 529 530 if (!ir || !ir->sampling) 531 return; 532 533 /* 534 * Samples are stored in a 32 bit register, oldest sample in 535 * the msb. A set bit represents space and an unset bit 536 * represents a pulse. 537 */ 538 samples = cx_read(MO_SAMPLE_IO); 539 540 if (samples == 0xff && ir->dev->idle) 541 return; 542 543 for (todo = 32; todo > 0; todo -= bits) { 544 ev.pulse = samples & 0x80000000 ? false : true; 545 bits = min(todo, 32U - fls(ev.pulse ? samples : ~samples)); 546 ev.duration = (bits * (USEC_PER_SEC / 1000)) / ir_samplerate; 547 ir_raw_event_store_with_filter(ir->dev, &ev); 548 samples <<= bits; 549 } 550 ir_raw_event_handle(ir->dev); 551 } 552 553 static int get_key_pvr2000(struct IR_i2c *ir, enum rc_proto *protocol, 554 u32 *scancode, u8 *toggle) 555 { 556 int flags, code; 557 558 /* poll IR chip */ 559 flags = i2c_smbus_read_byte_data(ir->c, 0x10); 560 if (flags < 0) { 561 dprintk("read error\n"); 562 return 0; 563 } 564 /* key pressed ? */ 565 if (0 == (flags & 0x80)) 566 return 0; 567 568 /* read actual key code */ 569 code = i2c_smbus_read_byte_data(ir->c, 0x00); 570 if (code < 0) { 571 dprintk("read error\n"); 572 return 0; 573 } 574 575 dprintk("IR Key/Flags: (0x%02x/0x%02x)\n", 576 code & 0xff, flags & 0xff); 577 578 *protocol = RC_PROTO_UNKNOWN; 579 *scancode = code & 0xff; 580 *toggle = 0; 581 return 1; 582 } 583 584 void cx88_i2c_init_ir(struct cx88_core *core) 585 { 586 struct i2c_board_info info; 587 static const unsigned short default_addr_list[] = { 588 0x18, 0x33, 0x6b, 0x71, 589 I2C_CLIENT_END 590 }; 591 static const unsigned short pvr2000_addr_list[] = { 592 0x18, 0x1a, 593 I2C_CLIENT_END 594 }; 595 const unsigned short *addr_list = default_addr_list; 596 const unsigned short *addrp; 597 /* Instantiate the IR receiver device, if present */ 598 if (core->i2c_rc != 0) 599 return; 600 601 memset(&info, 0, sizeof(struct i2c_board_info)); 602 strscpy(info.type, "ir_video", I2C_NAME_SIZE); 603 604 switch (core->boardnr) { 605 case CX88_BOARD_LEADTEK_PVR2000: 606 addr_list = pvr2000_addr_list; 607 core->init_data.name = "cx88 Leadtek PVR 2000 remote"; 608 core->init_data.type = RC_PROTO_BIT_UNKNOWN; 609 core->init_data.get_key = get_key_pvr2000; 610 core->init_data.ir_codes = RC_MAP_EMPTY; 611 break; 612 } 613 614 /* 615 * We can't call i2c_new_scanned_device() because it uses 616 * quick writes for probing and at least some RC receiver 617 * devices only reply to reads. 618 * Also, Hauppauge XVR needs to be specified, as address 0x71 619 * conflicts with another remote type used with saa7134 620 */ 621 for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) { 622 info.platform_data = NULL; 623 memset(&core->init_data, 0, sizeof(core->init_data)); 624 625 if (*addrp == 0x71) { 626 /* Hauppauge Z8F0811 */ 627 strscpy(info.type, "ir_z8f0811_haup", I2C_NAME_SIZE); 628 core->init_data.name = core->board.name; 629 core->init_data.ir_codes = RC_MAP_HAUPPAUGE; 630 core->init_data.type = RC_PROTO_BIT_RC5 | 631 RC_PROTO_BIT_RC6_MCE | RC_PROTO_BIT_RC6_6A_32; 632 core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; 633 634 info.platform_data = &core->init_data; 635 } 636 if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0, 637 I2C_SMBUS_READ, 0, 638 I2C_SMBUS_QUICK, NULL) >= 0) { 639 info.addr = *addrp; 640 i2c_new_client_device(&core->i2c_adap, &info); 641 break; 642 } 643 } 644 } 645 646 /* ---------------------------------------------------------------------- */ 647 648 MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe"); 649 MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls"); 650 MODULE_LICENSE("GPL"); 651