1 /* 2 * 3 * handle saa7134 IR remotes via linux kernel input layer. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 * 19 */ 20 21 #include "saa7134.h" 22 #include "saa7134-reg.h" 23 24 #include <linux/module.h> 25 #include <linux/init.h> 26 #include <linux/delay.h> 27 #include <linux/interrupt.h> 28 #include <linux/slab.h> 29 30 #define MODULE_NAME "saa7134" 31 32 static unsigned int disable_ir; 33 module_param(disable_ir, int, 0444); 34 MODULE_PARM_DESC(disable_ir,"disable infrared remote support"); 35 36 static unsigned int ir_debug; 37 module_param(ir_debug, int, 0644); 38 MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]"); 39 40 static int pinnacle_remote; 41 module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */ 42 MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)"); 43 44 #define input_dbg(fmt, arg...) do { \ 45 if (ir_debug) \ 46 printk(KERN_DEBUG pr_fmt("input: " fmt), ## arg); \ 47 } while (0) 48 #define ir_dbg(ir, fmt, arg...) do { \ 49 if (ir_debug) \ 50 printk(KERN_DEBUG pr_fmt("ir %s: " fmt), ir->name, ## arg); \ 51 } while (0) 52 53 /* Helper function for raw decoding at GPIO16 or GPIO18 */ 54 static int saa7134_raw_decode_irq(struct saa7134_dev *dev); 55 56 /* -------------------- GPIO generic keycode builder -------------------- */ 57 58 static int build_key(struct saa7134_dev *dev) 59 { 60 struct saa7134_card_ir *ir = dev->remote; 61 u32 gpio, data; 62 63 /* here comes the additional handshake steps for some cards */ 64 switch (dev->board) { 65 case SAA7134_BOARD_GOTVIEW_7135: 66 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80); 67 saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80); 68 break; 69 } 70 /* rising SAA7134_GPIO_GPRESCAN reads the status */ 71 saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); 72 saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); 73 74 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); 75 if (ir->polling) { 76 if (ir->last_gpio == gpio) 77 return 0; 78 ir->last_gpio = gpio; 79 } 80 81 data = ir_extract_bits(gpio, ir->mask_keycode); 82 input_dbg("build_key gpio=0x%x mask=0x%x data=%d\n", 83 gpio, ir->mask_keycode, data); 84 85 switch (dev->board) { 86 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG: 87 if (data == ir->mask_keycode) 88 rc_keyup(ir->dev); 89 else 90 rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0); 91 return 0; 92 } 93 94 if (ir->polling) { 95 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || 96 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { 97 rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0); 98 } else { 99 rc_keyup(ir->dev); 100 } 101 } 102 else { /* IRQ driven mode - handle key press and release in one go */ 103 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || 104 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { 105 rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0); 106 rc_keyup(ir->dev); 107 } 108 } 109 110 return 0; 111 } 112 113 /* --------------------- Chip specific I2C key builders ----------------- */ 114 115 static int get_key_flydvb_trio(struct IR_i2c *ir, enum rc_type *protocol, 116 u32 *scancode, u8 *toggle) 117 { 118 int gpio; 119 int attempt = 0; 120 unsigned char b; 121 122 /* We need this to access GPI Used by the saa_readl macro. */ 123 struct saa7134_dev *dev = ir->c->adapter->algo_data; 124 125 if (dev == NULL) { 126 ir_dbg(ir, "get_key_flydvb_trio: " 127 "ir->c->adapter->algo_data is NULL!\n"); 128 return -EIO; 129 } 130 131 /* rising SAA7134_GPIGPRESCAN reads the status */ 132 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); 133 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); 134 135 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); 136 137 if (0x40000 & ~gpio) 138 return 0; /* No button press */ 139 140 /* poll IR chip */ 141 /* weak up the IR chip */ 142 b = 0; 143 144 while (1 != i2c_master_send(ir->c, &b, 1)) { 145 if ((attempt++) < 10) { 146 /* 147 * wait a bit for next attempt - 148 * I don't know how make it better 149 */ 150 msleep(10); 151 continue; 152 } 153 ir_dbg(ir, "send wake up byte to pic16C505 (IR chip)" 154 "failed %dx\n", attempt); 155 return -EIO; 156 } 157 if (1 != i2c_master_recv(ir->c, &b, 1)) { 158 ir_dbg(ir, "read error\n"); 159 return -EIO; 160 } 161 162 *protocol = RC_TYPE_UNKNOWN; 163 *scancode = b; 164 *toggle = 0; 165 return 1; 166 } 167 168 static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, enum rc_type *protocol, 169 u32 *scancode, u8 *toggle) 170 { 171 unsigned char b; 172 int gpio; 173 174 /* <dev> is needed to access GPIO. Used by the saa_readl macro. */ 175 struct saa7134_dev *dev = ir->c->adapter->algo_data; 176 if (dev == NULL) { 177 ir_dbg(ir, "get_key_msi_tvanywhere_plus: " 178 "ir->c->adapter->algo_data is NULL!\n"); 179 return -EIO; 180 } 181 182 /* rising SAA7134_GPIO_GPRESCAN reads the status */ 183 184 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); 185 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); 186 187 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); 188 189 /* GPIO&0x40 is pulsed low when a button is pressed. Don't do 190 I2C receive if gpio&0x40 is not low. */ 191 192 if (gpio & 0x40) 193 return 0; /* No button press */ 194 195 /* GPIO says there is a button press. Get it. */ 196 197 if (1 != i2c_master_recv(ir->c, &b, 1)) { 198 ir_dbg(ir, "read error\n"); 199 return -EIO; 200 } 201 202 /* No button press */ 203 204 if (b == 0xff) 205 return 0; 206 207 /* Button pressed */ 208 209 input_dbg("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b); 210 *protocol = RC_TYPE_UNKNOWN; 211 *scancode = b; 212 *toggle = 0; 213 return 1; 214 } 215 216 /* copied and modified from get_key_msi_tvanywhere_plus() */ 217 static int get_key_kworld_pc150u(struct IR_i2c *ir, enum rc_type *protocol, 218 u32 *scancode, u8 *toggle) 219 { 220 unsigned char b; 221 unsigned int gpio; 222 223 /* <dev> is needed to access GPIO. Used by the saa_readl macro. */ 224 struct saa7134_dev *dev = ir->c->adapter->algo_data; 225 if (dev == NULL) { 226 ir_dbg(ir, "get_key_kworld_pc150u: " 227 "ir->c->adapter->algo_data is NULL!\n"); 228 return -EIO; 229 } 230 231 /* rising SAA7134_GPIO_GPRESCAN reads the status */ 232 233 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); 234 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); 235 236 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); 237 238 /* GPIO&0x100 is pulsed low when a button is pressed. Don't do 239 I2C receive if gpio&0x100 is not low. */ 240 241 if (gpio & 0x100) 242 return 0; /* No button press */ 243 244 /* GPIO says there is a button press. Get it. */ 245 246 if (1 != i2c_master_recv(ir->c, &b, 1)) { 247 ir_dbg(ir, "read error\n"); 248 return -EIO; 249 } 250 251 /* No button press */ 252 253 if (b == 0xff) 254 return 0; 255 256 /* Button pressed */ 257 258 input_dbg("get_key_kworld_pc150u: Key = 0x%02X\n", b); 259 *protocol = RC_TYPE_UNKNOWN; 260 *scancode = b; 261 *toggle = 0; 262 return 1; 263 } 264 265 static int get_key_purpletv(struct IR_i2c *ir, enum rc_type *protocol, 266 u32 *scancode, u8 *toggle) 267 { 268 unsigned char b; 269 270 /* poll IR chip */ 271 if (1 != i2c_master_recv(ir->c, &b, 1)) { 272 ir_dbg(ir, "read error\n"); 273 return -EIO; 274 } 275 276 /* no button press */ 277 if (b==0) 278 return 0; 279 280 /* repeating */ 281 if (b & 0x80) 282 return 1; 283 284 *protocol = RC_TYPE_UNKNOWN; 285 *scancode = b; 286 *toggle = 0; 287 return 1; 288 } 289 290 static int get_key_hvr1110(struct IR_i2c *ir, enum rc_type *protocol, 291 u32 *scancode, u8 *toggle) 292 { 293 unsigned char buf[5]; 294 295 /* poll IR chip */ 296 if (5 != i2c_master_recv(ir->c, buf, 5)) 297 return -EIO; 298 299 /* Check if some key were pressed */ 300 if (!(buf[0] & 0x80)) 301 return 0; 302 303 /* 304 * buf[3] & 0x80 is always high. 305 * buf[3] & 0x40 is a parity bit. A repeat event is marked 306 * by preserving it into two separate readings 307 * buf[4] bits 0 and 1, and buf[1] and buf[2] are always 308 * zero. 309 * 310 * Note that the keymap which the hvr1110 uses is RC5. 311 * 312 * FIXME: start bits could maybe be used...? 313 */ 314 *protocol = RC_TYPE_RC5; 315 *scancode = RC_SCANCODE_RC5(buf[3] & 0x1f, buf[4] >> 2); 316 *toggle = !!(buf[3] & 0x40); 317 return 1; 318 } 319 320 321 static int get_key_beholdm6xx(struct IR_i2c *ir, enum rc_type *protocol, 322 u32 *scancode, u8 *toggle) 323 { 324 unsigned char data[12]; 325 u32 gpio; 326 327 struct saa7134_dev *dev = ir->c->adapter->algo_data; 328 329 /* rising SAA7134_GPIO_GPRESCAN reads the status */ 330 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); 331 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); 332 333 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); 334 335 if (0x400000 & ~gpio) 336 return 0; /* No button press */ 337 338 ir->c->addr = 0x5a >> 1; 339 340 if (12 != i2c_master_recv(ir->c, data, 12)) { 341 ir_dbg(ir, "read error\n"); 342 return -EIO; 343 } 344 345 if (data[9] != (unsigned char)(~data[8])) 346 return 0; 347 348 *protocol = RC_TYPE_NEC; 349 *scancode = RC_SCANCODE_NECX(data[11] << 8 | data[10], data[9]); 350 *toggle = 0; 351 return 1; 352 } 353 354 /* Common (grey or coloured) pinnacle PCTV remote handling 355 * 356 */ 357 static int get_key_pinnacle(struct IR_i2c *ir, enum rc_type *protocol, 358 u32 *scancode, u8 *toggle, int parity_offset, 359 int marker, int code_modulo) 360 { 361 unsigned char b[4]; 362 unsigned int start = 0,parity = 0,code = 0; 363 364 /* poll IR chip */ 365 if (4 != i2c_master_recv(ir->c, b, 4)) { 366 ir_dbg(ir, "read error\n"); 367 return -EIO; 368 } 369 370 for (start = 0; start < ARRAY_SIZE(b); start++) { 371 if (b[start] == marker) { 372 code=b[(start+parity_offset + 1) % 4]; 373 parity=b[(start+parity_offset) % 4]; 374 } 375 } 376 377 /* Empty Request */ 378 if (parity == 0) 379 return 0; 380 381 /* Repeating... */ 382 if (ir->old == parity) 383 return 0; 384 385 ir->old = parity; 386 387 /* drop special codes when a key is held down a long time for the grey controller 388 In this case, the second bit of the code is asserted */ 389 if (marker == 0xfe && (code & 0x40)) 390 return 0; 391 392 code %= code_modulo; 393 394 *protocol = RC_TYPE_UNKNOWN; 395 *scancode = code; 396 *toggle = 0; 397 398 ir_dbg(ir, "Pinnacle PCTV key %02x\n", code); 399 return 1; 400 } 401 402 /* The grey pinnacle PCTV remote 403 * 404 * There are one issue with this remote: 405 * - I2c packet does not change when the same key is pressed quickly. The workaround 406 * is to hold down each key for about half a second, so that another code is generated 407 * in the i2c packet, and the function can distinguish key presses. 408 * 409 * Sylvain Pasche <sylvain.pasche@gmail.com> 410 */ 411 static int get_key_pinnacle_grey(struct IR_i2c *ir, enum rc_type *protocol, 412 u32 *scancode, u8 *toggle) 413 { 414 415 return get_key_pinnacle(ir, protocol, scancode, toggle, 1, 0xfe, 0xff); 416 } 417 418 419 /* The new pinnacle PCTV remote (with the colored buttons) 420 * 421 * Ricardo Cerqueira <v4l@cerqueira.org> 422 */ 423 static int get_key_pinnacle_color(struct IR_i2c *ir, enum rc_type *protocol, 424 u32 *scancode, u8 *toggle) 425 { 426 /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE 427 * 428 * this is the only value that results in 42 unique 429 * codes < 128 430 */ 431 432 return get_key_pinnacle(ir, protocol, scancode, toggle, 2, 0x80, 0x88); 433 } 434 435 void saa7134_input_irq(struct saa7134_dev *dev) 436 { 437 struct saa7134_card_ir *ir; 438 439 if (!dev || !dev->remote) 440 return; 441 442 ir = dev->remote; 443 if (!ir->running) 444 return; 445 446 if (!ir->polling && !ir->raw_decode) { 447 build_key(dev); 448 } else if (ir->raw_decode) { 449 saa7134_raw_decode_irq(dev); 450 } 451 } 452 453 static void saa7134_input_timer(unsigned long data) 454 { 455 struct saa7134_dev *dev = (struct saa7134_dev *)data; 456 struct saa7134_card_ir *ir = dev->remote; 457 458 build_key(dev); 459 mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling)); 460 } 461 462 static void ir_raw_decode_timer_end(unsigned long data) 463 { 464 struct saa7134_dev *dev = (struct saa7134_dev *)data; 465 466 ir_raw_event_handle(dev->remote->dev); 467 } 468 469 static int __saa7134_ir_start(void *priv) 470 { 471 struct saa7134_dev *dev = priv; 472 struct saa7134_card_ir *ir; 473 474 if (!dev || !dev->remote) 475 return -EINVAL; 476 477 ir = dev->remote; 478 if (ir->running) 479 return 0; 480 481 /* Moved here from saa7134_input_init1() because the latter 482 * is not called on device resume */ 483 switch (dev->board) { 484 case SAA7134_BOARD_MD2819: 485 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT: 486 case SAA7134_BOARD_AVERMEDIA_305: 487 case SAA7134_BOARD_AVERMEDIA_307: 488 case SAA7134_BOARD_AVERMEDIA_505: 489 case SAA7134_BOARD_AVERMEDIA_STUDIO_305: 490 case SAA7134_BOARD_AVERMEDIA_STUDIO_505: 491 case SAA7134_BOARD_AVERMEDIA_STUDIO_307: 492 case SAA7134_BOARD_AVERMEDIA_STUDIO_507: 493 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA: 494 case SAA7134_BOARD_AVERMEDIA_GO_007_FM: 495 case SAA7134_BOARD_AVERMEDIA_M102: 496 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS: 497 /* Without this we won't receive key up events */ 498 saa_setb(SAA7134_GPIO_GPMODE0, 0x4); 499 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4); 500 break; 501 case SAA7134_BOARD_AVERMEDIA_777: 502 case SAA7134_BOARD_AVERMEDIA_A16AR: 503 /* Without this we won't receive key up events */ 504 saa_setb(SAA7134_GPIO_GPMODE1, 0x1); 505 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1); 506 break; 507 case SAA7134_BOARD_AVERMEDIA_A16D: 508 /* Without this we won't receive key up events */ 509 saa_setb(SAA7134_GPIO_GPMODE1, 0x1); 510 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1); 511 break; 512 case SAA7134_BOARD_GOTVIEW_7135: 513 saa_setb(SAA7134_GPIO_GPMODE1, 0x80); 514 break; 515 } 516 517 ir->running = true; 518 519 if (ir->polling) { 520 setup_timer(&ir->timer, saa7134_input_timer, 521 (unsigned long)dev); 522 ir->timer.expires = jiffies + HZ; 523 add_timer(&ir->timer); 524 } else if (ir->raw_decode) { 525 /* set timer_end for code completion */ 526 setup_timer(&ir->timer, ir_raw_decode_timer_end, 527 (unsigned long)dev); 528 } 529 530 return 0; 531 } 532 533 static void __saa7134_ir_stop(void *priv) 534 { 535 struct saa7134_dev *dev = priv; 536 struct saa7134_card_ir *ir; 537 538 if (!dev || !dev->remote) 539 return; 540 541 ir = dev->remote; 542 if (!ir->running) 543 return; 544 545 if (ir->polling || ir->raw_decode) 546 del_timer_sync(&ir->timer); 547 548 ir->running = false; 549 550 return; 551 } 552 553 int saa7134_ir_start(struct saa7134_dev *dev) 554 { 555 if (dev->remote->users) 556 return __saa7134_ir_start(dev); 557 558 return 0; 559 } 560 561 void saa7134_ir_stop(struct saa7134_dev *dev) 562 { 563 if (dev->remote->users) 564 __saa7134_ir_stop(dev); 565 } 566 567 static int saa7134_ir_open(struct rc_dev *rc) 568 { 569 struct saa7134_dev *dev = rc->priv; 570 571 dev->remote->users++; 572 return __saa7134_ir_start(dev); 573 } 574 575 static void saa7134_ir_close(struct rc_dev *rc) 576 { 577 struct saa7134_dev *dev = rc->priv; 578 579 dev->remote->users--; 580 if (!dev->remote->users) 581 __saa7134_ir_stop(dev); 582 } 583 584 int saa7134_input_init1(struct saa7134_dev *dev) 585 { 586 struct saa7134_card_ir *ir; 587 struct rc_dev *rc; 588 char *ir_codes = NULL; 589 u32 mask_keycode = 0; 590 u32 mask_keydown = 0; 591 u32 mask_keyup = 0; 592 unsigned polling = 0; 593 bool raw_decode = false; 594 int err; 595 596 if (dev->has_remote != SAA7134_REMOTE_GPIO) 597 return -ENODEV; 598 if (disable_ir) 599 return -ENODEV; 600 601 /* detect & configure */ 602 switch (dev->board) { 603 case SAA7134_BOARD_FLYVIDEO2000: 604 case SAA7134_BOARD_FLYVIDEO3000: 605 case SAA7134_BOARD_FLYTVPLATINUM_FM: 606 case SAA7134_BOARD_FLYTVPLATINUM_MINI2: 607 case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM: 608 ir_codes = RC_MAP_FLYVIDEO; 609 mask_keycode = 0xEC00000; 610 mask_keydown = 0x0040000; 611 break; 612 case SAA7134_BOARD_CINERGY400: 613 case SAA7134_BOARD_CINERGY600: 614 case SAA7134_BOARD_CINERGY600_MK3: 615 ir_codes = RC_MAP_CINERGY; 616 mask_keycode = 0x00003f; 617 mask_keyup = 0x040000; 618 break; 619 case SAA7134_BOARD_ECS_TVP3XP: 620 case SAA7134_BOARD_ECS_TVP3XP_4CB5: 621 ir_codes = RC_MAP_EZTV; 622 mask_keycode = 0x00017c; 623 mask_keyup = 0x000002; 624 polling = 50; // ms 625 break; 626 case SAA7134_BOARD_KWORLD_XPERT: 627 case SAA7134_BOARD_AVACSSMARTTV: 628 ir_codes = RC_MAP_PIXELVIEW; 629 mask_keycode = 0x00001F; 630 mask_keyup = 0x000020; 631 polling = 50; // ms 632 break; 633 case SAA7134_BOARD_MD2819: 634 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT: 635 case SAA7134_BOARD_AVERMEDIA_305: 636 case SAA7134_BOARD_AVERMEDIA_307: 637 case SAA7134_BOARD_AVERMEDIA_505: 638 case SAA7134_BOARD_AVERMEDIA_STUDIO_305: 639 case SAA7134_BOARD_AVERMEDIA_STUDIO_505: 640 case SAA7134_BOARD_AVERMEDIA_STUDIO_307: 641 case SAA7134_BOARD_AVERMEDIA_STUDIO_507: 642 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA: 643 case SAA7134_BOARD_AVERMEDIA_GO_007_FM: 644 case SAA7134_BOARD_AVERMEDIA_M102: 645 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS: 646 ir_codes = RC_MAP_AVERMEDIA; 647 mask_keycode = 0x0007C8; 648 mask_keydown = 0x000010; 649 polling = 50; // ms 650 /* GPIO stuff moved to __saa7134_ir_start() */ 651 break; 652 case SAA7134_BOARD_AVERMEDIA_M135A: 653 ir_codes = RC_MAP_AVERMEDIA_M135A; 654 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */ 655 mask_keyup = 0x0040000; 656 mask_keycode = 0xffff; 657 raw_decode = true; 658 break; 659 case SAA7134_BOARD_AVERMEDIA_M733A: 660 ir_codes = RC_MAP_AVERMEDIA_M733A_RM_K6; 661 mask_keydown = 0x0040000; 662 mask_keyup = 0x0040000; 663 mask_keycode = 0xffff; 664 raw_decode = true; 665 break; 666 case SAA7134_BOARD_AVERMEDIA_777: 667 case SAA7134_BOARD_AVERMEDIA_A16AR: 668 ir_codes = RC_MAP_AVERMEDIA; 669 mask_keycode = 0x02F200; 670 mask_keydown = 0x000400; 671 polling = 50; // ms 672 /* GPIO stuff moved to __saa7134_ir_start() */ 673 break; 674 case SAA7134_BOARD_AVERMEDIA_A16D: 675 ir_codes = RC_MAP_AVERMEDIA_A16D; 676 mask_keycode = 0x02F200; 677 mask_keydown = 0x000400; 678 polling = 50; /* ms */ 679 /* GPIO stuff moved to __saa7134_ir_start() */ 680 break; 681 case SAA7134_BOARD_KWORLD_TERMINATOR: 682 ir_codes = RC_MAP_PIXELVIEW; 683 mask_keycode = 0x00001f; 684 mask_keyup = 0x000060; 685 polling = 50; // ms 686 break; 687 case SAA7134_BOARD_MANLI_MTV001: 688 case SAA7134_BOARD_MANLI_MTV002: 689 ir_codes = RC_MAP_MANLI; 690 mask_keycode = 0x001f00; 691 mask_keyup = 0x004000; 692 polling = 50; /* ms */ 693 break; 694 case SAA7134_BOARD_BEHOLD_409FM: 695 case SAA7134_BOARD_BEHOLD_401: 696 case SAA7134_BOARD_BEHOLD_403: 697 case SAA7134_BOARD_BEHOLD_403FM: 698 case SAA7134_BOARD_BEHOLD_405: 699 case SAA7134_BOARD_BEHOLD_405FM: 700 case SAA7134_BOARD_BEHOLD_407: 701 case SAA7134_BOARD_BEHOLD_407FM: 702 case SAA7134_BOARD_BEHOLD_409: 703 case SAA7134_BOARD_BEHOLD_505FM: 704 case SAA7134_BOARD_BEHOLD_505RDS_MK5: 705 case SAA7134_BOARD_BEHOLD_505RDS_MK3: 706 case SAA7134_BOARD_BEHOLD_507_9FM: 707 case SAA7134_BOARD_BEHOLD_507RDS_MK3: 708 case SAA7134_BOARD_BEHOLD_507RDS_MK5: 709 ir_codes = RC_MAP_MANLI; 710 mask_keycode = 0x003f00; 711 mask_keyup = 0x004000; 712 polling = 50; /* ms */ 713 break; 714 case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM: 715 ir_codes = RC_MAP_BEHOLD_COLUMBUS; 716 mask_keycode = 0x003f00; 717 mask_keyup = 0x004000; 718 polling = 50; // ms 719 break; 720 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS: 721 ir_codes = RC_MAP_PCTV_SEDNA; 722 mask_keycode = 0x001f00; 723 mask_keyup = 0x004000; 724 polling = 50; // ms 725 break; 726 case SAA7134_BOARD_GOTVIEW_7135: 727 ir_codes = RC_MAP_GOTVIEW7135; 728 mask_keycode = 0x0003CC; 729 mask_keydown = 0x000010; 730 polling = 5; /* ms */ 731 /* GPIO stuff moved to __saa7134_ir_start() */ 732 break; 733 case SAA7134_BOARD_VIDEOMATE_TV_PVR: 734 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS: 735 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII: 736 ir_codes = RC_MAP_VIDEOMATE_TV_PVR; 737 mask_keycode = 0x00003F; 738 mask_keyup = 0x400000; 739 polling = 50; // ms 740 break; 741 case SAA7134_BOARD_PROTEUS_2309: 742 ir_codes = RC_MAP_PROTEUS_2309; 743 mask_keycode = 0x00007F; 744 mask_keyup = 0x000080; 745 polling = 50; // ms 746 break; 747 case SAA7134_BOARD_VIDEOMATE_DVBT_300: 748 case SAA7134_BOARD_VIDEOMATE_DVBT_200: 749 ir_codes = RC_MAP_VIDEOMATE_TV_PVR; 750 mask_keycode = 0x003F00; 751 mask_keyup = 0x040000; 752 break; 753 case SAA7134_BOARD_FLYDVBS_LR300: 754 case SAA7134_BOARD_FLYDVBT_LR301: 755 case SAA7134_BOARD_FLYDVBTDUO: 756 ir_codes = RC_MAP_FLYDVB; 757 mask_keycode = 0x0001F00; 758 mask_keydown = 0x0040000; 759 break; 760 case SAA7134_BOARD_ASUSTeK_P7131_DUAL: 761 case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA: 762 case SAA7134_BOARD_ASUSTeK_P7131_ANALOG: 763 ir_codes = RC_MAP_ASUS_PC39; 764 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */ 765 mask_keyup = 0x0040000; 766 mask_keycode = 0xffff; 767 raw_decode = true; 768 break; 769 case SAA7134_BOARD_ASUSTeK_PS3_100: 770 ir_codes = RC_MAP_ASUS_PS3_100; 771 mask_keydown = 0x0040000; 772 mask_keyup = 0x0040000; 773 mask_keycode = 0xffff; 774 raw_decode = true; 775 break; 776 case SAA7134_BOARD_ENCORE_ENLTV: 777 case SAA7134_BOARD_ENCORE_ENLTV_FM: 778 ir_codes = RC_MAP_ENCORE_ENLTV; 779 mask_keycode = 0x00007f; 780 mask_keyup = 0x040000; 781 polling = 50; // ms 782 break; 783 case SAA7134_BOARD_ENCORE_ENLTV_FM53: 784 case SAA7134_BOARD_ENCORE_ENLTV_FM3: 785 ir_codes = RC_MAP_ENCORE_ENLTV_FM53; 786 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */ 787 mask_keyup = 0x0040000; 788 mask_keycode = 0xffff; 789 raw_decode = true; 790 break; 791 case SAA7134_BOARD_10MOONSTVMASTER3: 792 ir_codes = RC_MAP_ENCORE_ENLTV; 793 mask_keycode = 0x5f80000; 794 mask_keyup = 0x8000000; 795 polling = 50; //ms 796 break; 797 case SAA7134_BOARD_GENIUS_TVGO_A11MCE: 798 ir_codes = RC_MAP_GENIUS_TVGO_A11MCE; 799 mask_keycode = 0xff; 800 mask_keydown = 0xf00000; 801 polling = 50; /* ms */ 802 break; 803 case SAA7134_BOARD_REAL_ANGEL_220: 804 ir_codes = RC_MAP_REAL_AUDIO_220_32_KEYS; 805 mask_keycode = 0x3f00; 806 mask_keyup = 0x4000; 807 polling = 50; /* ms */ 808 break; 809 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG: 810 ir_codes = RC_MAP_KWORLD_PLUS_TV_ANALOG; 811 mask_keycode = 0x7f; 812 polling = 40; /* ms */ 813 break; 814 case SAA7134_BOARD_VIDEOMATE_S350: 815 ir_codes = RC_MAP_VIDEOMATE_S350; 816 mask_keycode = 0x003f00; 817 mask_keydown = 0x040000; 818 break; 819 case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S: 820 ir_codes = RC_MAP_WINFAST; 821 mask_keycode = 0x5f00; 822 mask_keyup = 0x020000; 823 polling = 50; /* ms */ 824 break; 825 case SAA7134_BOARD_VIDEOMATE_M1F: 826 ir_codes = RC_MAP_VIDEOMATE_K100; 827 mask_keycode = 0x0ff00; 828 mask_keyup = 0x040000; 829 break; 830 case SAA7134_BOARD_HAUPPAUGE_HVR1150: 831 case SAA7134_BOARD_HAUPPAUGE_HVR1120: 832 ir_codes = RC_MAP_HAUPPAUGE; 833 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */ 834 mask_keyup = 0x0040000; 835 mask_keycode = 0xffff; 836 raw_decode = true; 837 break; 838 } 839 if (NULL == ir_codes) { 840 pr_err("Oops: IR config error [card=%d]\n", dev->board); 841 return -ENODEV; 842 } 843 844 ir = kzalloc(sizeof(*ir), GFP_KERNEL); 845 rc = rc_allocate_device(); 846 if (!ir || !rc) { 847 err = -ENOMEM; 848 goto err_out_free; 849 } 850 851 ir->dev = rc; 852 dev->remote = ir; 853 854 /* init hardware-specific stuff */ 855 ir->mask_keycode = mask_keycode; 856 ir->mask_keydown = mask_keydown; 857 ir->mask_keyup = mask_keyup; 858 ir->polling = polling; 859 ir->raw_decode = raw_decode; 860 861 /* init input device */ 862 snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)", 863 saa7134_boards[dev->board].name); 864 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", 865 pci_name(dev->pci)); 866 867 rc->priv = dev; 868 rc->open = saa7134_ir_open; 869 rc->close = saa7134_ir_close; 870 if (raw_decode) 871 rc->driver_type = RC_DRIVER_IR_RAW; 872 873 rc->input_name = ir->name; 874 rc->input_phys = ir->phys; 875 rc->input_id.bustype = BUS_PCI; 876 rc->input_id.version = 1; 877 if (dev->pci->subsystem_vendor) { 878 rc->input_id.vendor = dev->pci->subsystem_vendor; 879 rc->input_id.product = dev->pci->subsystem_device; 880 } else { 881 rc->input_id.vendor = dev->pci->vendor; 882 rc->input_id.product = dev->pci->device; 883 } 884 rc->dev.parent = &dev->pci->dev; 885 rc->map_name = ir_codes; 886 rc->driver_name = MODULE_NAME; 887 888 err = rc_register_device(rc); 889 if (err) 890 goto err_out_free; 891 892 return 0; 893 894 err_out_free: 895 rc_free_device(rc); 896 dev->remote = NULL; 897 kfree(ir); 898 return err; 899 } 900 901 void saa7134_input_fini(struct saa7134_dev *dev) 902 { 903 if (NULL == dev->remote) 904 return; 905 906 saa7134_ir_stop(dev); 907 rc_unregister_device(dev->remote->dev); 908 kfree(dev->remote); 909 dev->remote = NULL; 910 } 911 912 void saa7134_probe_i2c_ir(struct saa7134_dev *dev) 913 { 914 struct i2c_board_info info; 915 struct i2c_msg msg_msi = { 916 .addr = 0x50, 917 .flags = I2C_M_RD, 918 .len = 0, 919 .buf = NULL, 920 }; 921 int rc; 922 923 if (disable_ir) { 924 input_dbg("IR has been disabled, not probing for i2c remote\n"); 925 return; 926 } 927 928 memset(&info, 0, sizeof(struct i2c_board_info)); 929 memset(&dev->init_data, 0, sizeof(dev->init_data)); 930 strlcpy(info.type, "ir_video", I2C_NAME_SIZE); 931 932 switch (dev->board) { 933 case SAA7134_BOARD_PINNACLE_PCTV_110i: 934 case SAA7134_BOARD_PINNACLE_PCTV_310i: 935 dev->init_data.name = "Pinnacle PCTV"; 936 if (pinnacle_remote == 0) { 937 dev->init_data.get_key = get_key_pinnacle_color; 938 dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR; 939 info.addr = 0x47; 940 } else { 941 dev->init_data.get_key = get_key_pinnacle_grey; 942 dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY; 943 info.addr = 0x47; 944 } 945 break; 946 case SAA7134_BOARD_UPMOST_PURPLE_TV: 947 dev->init_data.name = "Purple TV"; 948 dev->init_data.get_key = get_key_purpletv; 949 dev->init_data.ir_codes = RC_MAP_PURPLETV; 950 info.addr = 0x7a; 951 break; 952 case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS: 953 dev->init_data.name = "MSI TV@nywhere Plus"; 954 dev->init_data.get_key = get_key_msi_tvanywhere_plus; 955 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS; 956 /* 957 * MSI TV@nyware Plus requires more frequent polling 958 * otherwise it will miss some keypresses 959 */ 960 dev->init_data.polling_interval = 50; 961 info.addr = 0x30; 962 /* MSI TV@nywhere Plus controller doesn't seem to 963 respond to probes unless we read something from 964 an existing device. Weird... 965 REVISIT: might no longer be needed */ 966 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1); 967 input_dbg("probe 0x%02x @ %s: %s\n", 968 msg_msi.addr, dev->i2c_adap.name, 969 (1 == rc) ? "yes" : "no"); 970 break; 971 case SAA7134_BOARD_KWORLD_PC150U: 972 /* copied and modified from MSI TV@nywhere Plus */ 973 dev->init_data.name = "Kworld PC150-U"; 974 dev->init_data.get_key = get_key_kworld_pc150u; 975 dev->init_data.ir_codes = RC_MAP_KWORLD_PC150U; 976 info.addr = 0x30; 977 /* MSI TV@nywhere Plus controller doesn't seem to 978 respond to probes unless we read something from 979 an existing device. Weird... 980 REVISIT: might no longer be needed */ 981 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1); 982 input_dbg("probe 0x%02x @ %s: %s\n", 983 msg_msi.addr, dev->i2c_adap.name, 984 (1 == rc) ? "yes" : "no"); 985 break; 986 case SAA7134_BOARD_HAUPPAUGE_HVR1110: 987 dev->init_data.name = "HVR 1110"; 988 dev->init_data.get_key = get_key_hvr1110; 989 dev->init_data.ir_codes = RC_MAP_HAUPPAUGE; 990 info.addr = 0x71; 991 break; 992 case SAA7134_BOARD_BEHOLD_607FM_MK3: 993 case SAA7134_BOARD_BEHOLD_607FM_MK5: 994 case SAA7134_BOARD_BEHOLD_609FM_MK3: 995 case SAA7134_BOARD_BEHOLD_609FM_MK5: 996 case SAA7134_BOARD_BEHOLD_607RDS_MK3: 997 case SAA7134_BOARD_BEHOLD_607RDS_MK5: 998 case SAA7134_BOARD_BEHOLD_609RDS_MK3: 999 case SAA7134_BOARD_BEHOLD_609RDS_MK5: 1000 case SAA7134_BOARD_BEHOLD_M6: 1001 case SAA7134_BOARD_BEHOLD_M63: 1002 case SAA7134_BOARD_BEHOLD_M6_EXTRA: 1003 case SAA7134_BOARD_BEHOLD_H6: 1004 case SAA7134_BOARD_BEHOLD_X7: 1005 case SAA7134_BOARD_BEHOLD_H7: 1006 case SAA7134_BOARD_BEHOLD_A7: 1007 dev->init_data.name = "BeholdTV"; 1008 dev->init_data.get_key = get_key_beholdm6xx; 1009 dev->init_data.ir_codes = RC_MAP_BEHOLD; 1010 dev->init_data.type = RC_BIT_NEC; 1011 info.addr = 0x2d; 1012 break; 1013 case SAA7134_BOARD_AVERMEDIA_CARDBUS_501: 1014 case SAA7134_BOARD_AVERMEDIA_CARDBUS_506: 1015 info.addr = 0x40; 1016 break; 1017 case SAA7134_BOARD_AVERMEDIA_A706: 1018 info.addr = 0x41; 1019 break; 1020 case SAA7134_BOARD_FLYDVB_TRIO: 1021 dev->init_data.name = "FlyDVB Trio"; 1022 dev->init_data.get_key = get_key_flydvb_trio; 1023 dev->init_data.ir_codes = RC_MAP_FLYDVB; 1024 info.addr = 0x0b; 1025 break; 1026 default: 1027 input_dbg("No I2C IR support for board %x\n", dev->board); 1028 return; 1029 } 1030 1031 if (dev->init_data.name) 1032 info.platform_data = &dev->init_data; 1033 i2c_new_device(&dev->i2c_adap, &info); 1034 } 1035 1036 static int saa7134_raw_decode_irq(struct saa7134_dev *dev) 1037 { 1038 struct saa7134_card_ir *ir = dev->remote; 1039 unsigned long timeout; 1040 int space; 1041 1042 /* Generate initial event */ 1043 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); 1044 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); 1045 space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown; 1046 ir_raw_event_store_edge(dev->remote->dev, space ? IR_SPACE : IR_PULSE); 1047 1048 /* 1049 * Wait 15 ms from the start of the first IR event before processing 1050 * the event. This time is enough for NEC protocol. May need adjustments 1051 * to work with other protocols. 1052 */ 1053 smp_mb(); 1054 1055 if (!timer_pending(&ir->timer)) { 1056 timeout = jiffies + msecs_to_jiffies(15); 1057 mod_timer(&ir->timer, timeout); 1058 } 1059 1060 return 1; 1061 } 1062