drivers/media/pci/saa7134/saa7134-input.c

   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  */
  16
  17 #include "saa7134.h"
  18 #include "saa7134-reg.h"
  19
  20 #include <linux/module.h>
  21 #include <linux/init.h>
  22 #include <linux/delay.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/slab.h>
  25
  26 #define MODULE_NAME "saa7134"
  27
  28 static unsigned int disable_ir;
  29 module_param(disable_ir, int, 0444);
  30 MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
  31
  32 static unsigned int ir_debug;
  33 module_param(ir_debug, int, 0644);
  34 MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
  35
  36 static int pinnacle_remote;
  37 module_param(pinnacle_remote, int, 0644);    /* Choose Pinnacle PCTV remote */
  38 MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
  39
  40 #define input_dbg(fmt, arg...) do { \
  41         if (ir_debug) \
  42                 printk(KERN_DEBUG pr_fmt("input: " fmt), ## arg); \
  43         } while (0)
  44 #define ir_dbg(ir, fmt, arg...) do { \
  45         if (ir_debug) \
  46                 printk(KERN_DEBUG pr_fmt("ir %s: " fmt), ir->rc->device_name, \
  47                        ## arg); \
  48         } while (0)
  49
  50 /* Helper function for raw decoding at GPIO16 or GPIO18 */
  51 static int saa7134_raw_decode_irq(struct saa7134_dev *dev);
  52
  53 /* -------------------- GPIO generic keycode builder -------------------- */
  54
  55 static int build_key(struct saa7134_dev *dev)
  56 {
  57         struct saa7134_card_ir *ir = dev->remote;
  58         u32 gpio, data;
  59
  60         /* here comes the additional handshake steps for some cards */
  61         switch (dev->board) {
  62         case SAA7134_BOARD_GOTVIEW_7135:
  63                 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80);
  64                 saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80);
  65                 break;
  66         }
  67         /* rising SAA7134_GPIO_GPRESCAN reads the status */
  68         saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
  69         saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
  70
  71         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
  72         if (ir->polling) {
  73                 if (ir->last_gpio == gpio)
  74                         return 0;
  75                 ir->last_gpio = gpio;
  76         }
  77
  78         data = ir_extract_bits(gpio, ir->mask_keycode);
  79         input_dbg("build_key gpio=0x%x mask=0x%x data=%d\n",
  80                 gpio, ir->mask_keycode, data);
  81
  82         switch (dev->board) {
  83         case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
  84                 if (data == ir->mask_keycode)
  85                         rc_keyup(ir->dev);
  86                 else
  87                         rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
  88                                              0);
  89                 return 0;
  90         }
  91
  92         if (ir->polling) {
  93                 if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||
  94                     (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {
  95                         rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
  96                                              0);
  97                 } else {
  98                         rc_keyup(ir->dev);
  99                 }
 100         }
 101         else {  /* IRQ driven mode - handle key press and release in one go */
 102                 if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||
 103                     (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {
 104                         rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
 105                                              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_proto *protocol,
 116                                u32 *scancode, u8 *toggle)
 117 {
 118         int gpio, rc;
 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: ir->c->adapter->algo_data is NULL!\n");
 127                 return -EIO;
 128         }
 129
 130         /* rising SAA7134_GPIGPRESCAN reads the status */
 131         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 132         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 133
 134         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 135
 136         if (0x40000 & ~gpio)
 137                 return 0; /* No button press */
 138
 139         /* poll IR chip */
 140         /* weak up the IR chip */
 141         b = 0;
 142
 143         while (1 != i2c_master_send(ir->c, &b, 1)) {
 144                 if ((attempt++) < 10) {
 145                         /*
 146                          * wait a bit for next attempt -
 147                          * I don't know how make it better
 148                          */
 149                         msleep(10);
 150                         continue;
 151                 }
 152                 ir_dbg(ir, "send wake up byte to pic16C505 (IR chip)failed %dx\n",
 153                        attempt);
 154                 return -EIO;
 155         }
 156         rc = i2c_master_recv(ir->c, &b, 1);
 157         if (rc != 1) {
 158                 ir_dbg(ir, "read error\n");
 159                 if (rc < 0)
 160                         return rc;
 161                 return -EIO;
 162         }
 163
 164         *protocol = RC_PROTO_UNKNOWN;
 165         *scancode = b;
 166         *toggle = 0;
 167         return 1;
 168 }
 169
 170 static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir,
 171                                        enum rc_proto *protocol,
 172                                        u32 *scancode, u8 *toggle)
 173 {
 174         unsigned char b;
 175         int gpio, rc;
 176
 177         /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
 178         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 179         if (dev == NULL) {
 180                 ir_dbg(ir, "get_key_msi_tvanywhere_plus: ir->c->adapter->algo_data is NULL!\n");
 181                 return -EIO;
 182         }
 183
 184         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 185
 186         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 187         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 188
 189         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 190
 191         /* GPIO&0x40 is pulsed low when a button is pressed. Don't do
 192            I2C receive if gpio&0x40 is not low. */
 193
 194         if (gpio & 0x40)
 195                 return 0;       /* No button press */
 196
 197         /* GPIO says there is a button press. Get it. */
 198
 199         rc = i2c_master_recv(ir->c, &b, 1);
 200         if (rc != 1) {
 201                 ir_dbg(ir, "read error\n");
 202                 if (rc < 0)
 203                         return rc;
 204                 return -EIO;
 205         }
 206
 207         /* No button press */
 208
 209         if (b == 0xff)
 210                 return 0;
 211
 212         /* Button pressed */
 213
 214         input_dbg("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b);
 215         *protocol = RC_PROTO_UNKNOWN;
 216         *scancode = b;
 217         *toggle = 0;
 218         return 1;
 219 }
 220
 221 /* copied and modified from get_key_msi_tvanywhere_plus() */
 222 static int get_key_kworld_pc150u(struct IR_i2c *ir, enum rc_proto *protocol,
 223                                  u32 *scancode, u8 *toggle)
 224 {
 225         unsigned char b;
 226         unsigned int gpio;
 227         int rc;
 228
 229         /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
 230         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 231         if (dev == NULL) {
 232                 ir_dbg(ir, "get_key_kworld_pc150u: ir->c->adapter->algo_data is NULL!\n");
 233                 return -EIO;
 234         }
 235
 236         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 237
 238         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 239         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 240
 241         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 242
 243         /* GPIO&0x100 is pulsed low when a button is pressed. Don't do
 244            I2C receive if gpio&0x100 is not low. */
 245
 246         if (gpio & 0x100)
 247                 return 0;       /* No button press */
 248
 249         /* GPIO says there is a button press. Get it. */
 250
 251         rc = i2c_master_recv(ir->c, &b, 1);
 252         if (rc != 1) {
 253                 ir_dbg(ir, "read error\n");
 254                 if (rc < 0)
 255                         return rc;
 256                 return -EIO;
 257         }
 258
 259         /* No button press */
 260
 261         if (b == 0xff)
 262                 return 0;
 263
 264         /* Button pressed */
 265
 266         input_dbg("get_key_kworld_pc150u: Key = 0x%02X\n", b);
 267         *protocol = RC_PROTO_UNKNOWN;
 268         *scancode = b;
 269         *toggle = 0;
 270         return 1;
 271 }
 272
 273 static int get_key_purpletv(struct IR_i2c *ir, enum rc_proto *protocol,
 274                             u32 *scancode, u8 *toggle)
 275 {
 276         int rc;
 277         unsigned char b;
 278
 279         /* poll IR chip */
 280         rc = i2c_master_recv(ir->c, &b, 1);
 281         if (rc != 1) {
 282                 ir_dbg(ir, "read error\n");
 283                 if (rc < 0)
 284                         return rc;
 285                 return -EIO;
 286         }
 287
 288         /* no button press */
 289         if (b==0)
 290                 return 0;
 291
 292         /* repeating */
 293         if (b & 0x80)
 294                 return 1;
 295
 296         *protocol = RC_PROTO_UNKNOWN;
 297         *scancode = b;
 298         *toggle = 0;
 299         return 1;
 300 }
 301
 302 static int get_key_hvr1110(struct IR_i2c *ir, enum rc_proto *protocol,
 303                            u32 *scancode, u8 *toggle)
 304 {
 305         int rc;
 306         unsigned char buf[5];
 307
 308         /* poll IR chip */
 309         rc = i2c_master_recv(ir->c, buf, 5);
 310         if (rc != 5) {
 311                 ir_dbg(ir, "read error\n");
 312                 if (rc < 0)
 313                         return rc;
 314                 return -EIO;
 315         }
 316
 317         /* Check if some key were pressed */
 318         if (!(buf[0] & 0x80))
 319                 return 0;
 320
 321         /*
 322          * buf[3] & 0x80 is always high.
 323          * buf[3] & 0x40 is a parity bit. A repeat event is marked
 324          * by preserving it into two separate readings
 325          * buf[4] bits 0 and 1, and buf[1] and buf[2] are always
 326          * zero.
 327          *
 328          * Note that the keymap which the hvr1110 uses is RC5.
 329          *
 330          * FIXME: start bits could maybe be used...?
 331          */
 332         *protocol = RC_PROTO_RC5;
 333         *scancode = RC_SCANCODE_RC5(buf[3] & 0x1f, buf[4] >> 2);
 334         *toggle = !!(buf[3] & 0x40);
 335         return 1;
 336 }
 337
 338
 339 static int get_key_beholdm6xx(struct IR_i2c *ir, enum rc_proto *protocol,
 340                               u32 *scancode, u8 *toggle)
 341 {
 342         int rc;
 343         unsigned char data[12];
 344         u32 gpio;
 345
 346         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 347
 348         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 349         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 350         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 351
 352         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 353
 354         if (0x400000 & ~gpio)
 355                 return 0; /* No button press */
 356
 357         ir->c->addr = 0x5a >> 1;
 358
 359         rc = i2c_master_recv(ir->c, data, 12);
 360         if (rc != 12) {
 361                 ir_dbg(ir, "read error\n");
 362                 if (rc < 0)
 363                         return rc;
 364                 return -EIO;
 365         }
 366
 367         if (data[9] != (unsigned char)(~data[8]))
 368                 return 0;
 369
 370         *protocol = RC_PROTO_NECX;
 371         *scancode = RC_SCANCODE_NECX(data[11] << 8 | data[10], data[9]);
 372         *toggle = 0;
 373         return 1;
 374 }
 375
 376 /* Common (grey or coloured) pinnacle PCTV remote handling
 377  *
 378  */
 379 static int get_key_pinnacle(struct IR_i2c *ir, enum rc_proto *protocol,
 380                             u32 *scancode, u8 *toggle, int parity_offset,
 381                             int marker, int code_modulo)
 382 {
 383         int rc;
 384         unsigned char b[4];
 385         unsigned int start = 0,parity = 0,code = 0;
 386
 387         /* poll IR chip */
 388         rc = i2c_master_recv(ir->c, b, 4);
 389         if (rc != 4) {
 390                 ir_dbg(ir, "read error\n");
 391                 if (rc < 0)
 392                         return rc;
 393                 return -EIO;
 394         }
 395
 396         for (start = 0; start < ARRAY_SIZE(b); start++) {
 397                 if (b[start] == marker) {
 398                         code=b[(start+parity_offset + 1) % 4];
 399                         parity=b[(start+parity_offset) % 4];
 400                 }
 401         }
 402
 403         /* Empty Request */
 404         if (parity == 0)
 405                 return 0;
 406
 407         /* Repeating... */
 408         if (ir->old == parity)
 409                 return 0;
 410
 411         ir->old = parity;
 412
 413         /* drop special codes when a key is held down a long time for the grey controller
 414            In this case, the second bit of the code is asserted */
 415         if (marker == 0xfe && (code & 0x40))
 416                 return 0;
 417
 418         code %= code_modulo;
 419
 420         *protocol = RC_PROTO_UNKNOWN;
 421         *scancode = code;
 422         *toggle = 0;
 423
 424         ir_dbg(ir, "Pinnacle PCTV key %02x\n", code);
 425         return 1;
 426 }
 427
 428 /* The grey pinnacle PCTV remote
 429  *
 430  *  There are one issue with this remote:
 431  *   - I2c packet does not change when the same key is pressed quickly. The workaround
 432  *     is to hold down each key for about half a second, so that another code is generated
 433  *     in the i2c packet, and the function can distinguish key presses.
 434  *
 435  * Sylvain Pasche <sylvain.pasche@gmail.com>
 436  */
 437 static int get_key_pinnacle_grey(struct IR_i2c *ir, enum rc_proto *protocol,
 438                                  u32 *scancode, u8 *toggle)
 439 {
 440
 441         return get_key_pinnacle(ir, protocol, scancode, toggle, 1, 0xfe, 0xff);
 442 }
 443
 444
 445 /* The new pinnacle PCTV remote (with the colored buttons)
 446  *
 447  * Ricardo Cerqueira <v4l@cerqueira.org>
 448  */
 449 static int get_key_pinnacle_color(struct IR_i2c *ir, enum rc_proto *protocol,
 450                                   u32 *scancode, u8 *toggle)
 451 {
 452         /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
 453          *
 454          * this is the only value that results in 42 unique
 455          * codes < 128
 456          */
 457
 458         return get_key_pinnacle(ir, protocol, scancode, toggle, 2, 0x80, 0x88);
 459 }
 460
 461 void saa7134_input_irq(struct saa7134_dev *dev)
 462 {
 463         struct saa7134_card_ir *ir;
 464
 465         if (!dev || !dev->remote)
 466                 return;
 467
 468         ir = dev->remote;
 469         if (!ir->running)
 470                 return;
 471
 472         if (!ir->polling && !ir->raw_decode) {
 473                 build_key(dev);
 474         } else if (ir->raw_decode) {
 475                 saa7134_raw_decode_irq(dev);
 476         }
 477 }
 478
 479 static void saa7134_input_timer(struct timer_list *t)
 480 {
 481         struct saa7134_card_ir *ir = from_timer(ir, t, timer);
 482         struct saa7134_dev *dev = ir->dev->priv;
 483
 484         build_key(dev);
 485         mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
 486 }
 487
 488 static int __saa7134_ir_start(void *priv)
 489 {
 490         struct saa7134_dev *dev = priv;
 491         struct saa7134_card_ir *ir;
 492
 493         if (!dev || !dev->remote)
 494                 return -EINVAL;
 495
 496         ir  = dev->remote;
 497         if (ir->running)
 498                 return 0;
 499
 500         /* Moved here from saa7134_input_init1() because the latter
 501          * is not called on device resume */
 502         switch (dev->board) {
 503         case SAA7134_BOARD_MD2819:
 504         case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
 505         case SAA7134_BOARD_AVERMEDIA_305:
 506         case SAA7134_BOARD_AVERMEDIA_307:
 507         case SAA7134_BOARD_AVERMEDIA_505:
 508         case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
 509         case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
 510         case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
 511         case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
 512         case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
 513         case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
 514         case SAA7134_BOARD_AVERMEDIA_M102:
 515         case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
 516                 /* Without this we won't receive key up events */
 517                 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
 518                 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
 519                 break;
 520         case SAA7134_BOARD_AVERMEDIA_777:
 521         case SAA7134_BOARD_AVERMEDIA_A16AR:
 522                 /* Without this we won't receive key up events */
 523                 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
 524                 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
 525                 break;
 526         case SAA7134_BOARD_AVERMEDIA_A16D:
 527                 /* Without this we won't receive key up events */
 528                 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
 529                 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
 530                 break;
 531         case SAA7134_BOARD_GOTVIEW_7135:
 532                 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
 533                 break;
 534         }
 535
 536         ir->running = true;
 537
 538         if (ir->polling) {
 539                 timer_setup(&ir->timer, saa7134_input_timer, 0);
 540                 ir->timer.expires = jiffies + HZ;
 541                 add_timer(&ir->timer);
 542         }
 543
 544         return 0;
 545 }
 546
 547 static void __saa7134_ir_stop(void *priv)
 548 {
 549         struct saa7134_dev *dev = priv;
 550         struct saa7134_card_ir *ir;
 551
 552         if (!dev || !dev->remote)
 553                 return;
 554
 555         ir  = dev->remote;
 556         if (!ir->running)
 557                 return;
 558
 559         if (ir->polling)
 560                 del_timer_sync(&ir->timer);
 561
 562         ir->running = false;
 563
 564         return;
 565 }
 566
 567 int saa7134_ir_start(struct saa7134_dev *dev)
 568 {
 569         if (dev->remote->users)
 570                 return __saa7134_ir_start(dev);
 571
 572         return 0;
 573 }
 574
 575 void saa7134_ir_stop(struct saa7134_dev *dev)
 576 {
 577         if (dev->remote->users)
 578                 __saa7134_ir_stop(dev);
 579 }
 580
 581 static int saa7134_ir_open(struct rc_dev *rc)
 582 {
 583         struct saa7134_dev *dev = rc->priv;
 584
 585         dev->remote->users++;
 586         return __saa7134_ir_start(dev);
 587 }
 588
 589 static void saa7134_ir_close(struct rc_dev *rc)
 590 {
 591         struct saa7134_dev *dev = rc->priv;
 592
 593         dev->remote->users--;
 594         if (!dev->remote->users)
 595                 __saa7134_ir_stop(dev);
 596 }
 597
 598 int saa7134_input_init1(struct saa7134_dev *dev)
 599 {
 600         struct saa7134_card_ir *ir;
 601         struct rc_dev *rc;
 602         char *ir_codes = NULL;
 603         u32 mask_keycode = 0;
 604         u32 mask_keydown = 0;
 605         u32 mask_keyup   = 0;
 606         unsigned polling = 0;
 607         bool raw_decode  = false;
 608         int err;
 609
 610         if (dev->has_remote != SAA7134_REMOTE_GPIO)
 611                 return -ENODEV;
 612         if (disable_ir)
 613                 return -ENODEV;
 614
 615         /* detect & configure */
 616         switch (dev->board) {
 617         case SAA7134_BOARD_FLYVIDEO2000:
 618         case SAA7134_BOARD_FLYVIDEO3000:
 619         case SAA7134_BOARD_FLYTVPLATINUM_FM:
 620         case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
 621         case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
 622                 ir_codes     = RC_MAP_FLYVIDEO;
 623                 mask_keycode = 0xEC00000;
 624                 mask_keydown = 0x0040000;
 625                 break;
 626         case SAA7134_BOARD_CINERGY400:
 627         case SAA7134_BOARD_CINERGY600:
 628         case SAA7134_BOARD_CINERGY600_MK3:
 629                 ir_codes     = RC_MAP_CINERGY;
 630                 mask_keycode = 0x00003f;
 631                 mask_keyup   = 0x040000;
 632                 break;
 633         case SAA7134_BOARD_ECS_TVP3XP:
 634         case SAA7134_BOARD_ECS_TVP3XP_4CB5:
 635                 ir_codes     = RC_MAP_EZTV;
 636                 mask_keycode = 0x00017c;
 637                 mask_keyup   = 0x000002;
 638                 polling      = 50; // ms
 639                 break;
 640         case SAA7134_BOARD_KWORLD_XPERT:
 641         case SAA7134_BOARD_AVACSSMARTTV:
 642                 ir_codes     = RC_MAP_PIXELVIEW;
 643                 mask_keycode = 0x00001F;
 644                 mask_keyup   = 0x000020;
 645                 polling      = 50; // ms
 646                 break;
 647         case SAA7134_BOARD_MD2819:
 648         case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
 649         case SAA7134_BOARD_AVERMEDIA_305:
 650         case SAA7134_BOARD_AVERMEDIA_307:
 651         case SAA7134_BOARD_AVERMEDIA_505:
 652         case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
 653         case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
 654         case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
 655         case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
 656         case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
 657         case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
 658         case SAA7134_BOARD_AVERMEDIA_M102:
 659         case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
 660                 ir_codes     = RC_MAP_AVERMEDIA;
 661                 mask_keycode = 0x0007C8;
 662                 mask_keydown = 0x000010;
 663                 polling      = 50; // ms
 664                 /* GPIO stuff moved to __saa7134_ir_start() */
 665                 break;
 666         case SAA7134_BOARD_AVERMEDIA_M135A:
 667                 ir_codes     = RC_MAP_AVERMEDIA_M135A;
 668                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 669                 mask_keyup   = 0x0040000;
 670                 mask_keycode = 0xffff;
 671                 raw_decode   = true;
 672                 break;
 673         case SAA7134_BOARD_AVERMEDIA_M733A:
 674                 ir_codes     = RC_MAP_AVERMEDIA_M733A_RM_K6;
 675                 mask_keydown = 0x0040000;
 676                 mask_keyup   = 0x0040000;
 677                 mask_keycode = 0xffff;
 678                 raw_decode   = true;
 679                 break;
 680         case SAA7134_BOARD_AVERMEDIA_777:
 681         case SAA7134_BOARD_AVERMEDIA_A16AR:
 682                 ir_codes     = RC_MAP_AVERMEDIA;
 683                 mask_keycode = 0x02F200;
 684                 mask_keydown = 0x000400;
 685                 polling      = 50; // ms
 686                 /* GPIO stuff moved to __saa7134_ir_start() */
 687                 break;
 688         case SAA7134_BOARD_AVERMEDIA_A16D:
 689                 ir_codes     = RC_MAP_AVERMEDIA_A16D;
 690                 mask_keycode = 0x02F200;
 691                 mask_keydown = 0x000400;
 692                 polling      = 50; /* ms */
 693                 /* GPIO stuff moved to __saa7134_ir_start() */
 694                 break;
 695         case SAA7134_BOARD_KWORLD_TERMINATOR:
 696                 ir_codes     = RC_MAP_PIXELVIEW;
 697                 mask_keycode = 0x00001f;
 698                 mask_keyup   = 0x000060;
 699                 polling      = 50; // ms
 700                 break;
 701         case SAA7134_BOARD_MANLI_MTV001:
 702         case SAA7134_BOARD_MANLI_MTV002:
 703                 ir_codes     = RC_MAP_MANLI;
 704                 mask_keycode = 0x001f00;
 705                 mask_keyup   = 0x004000;
 706                 polling      = 50; /* ms */
 707                 break;
 708         case SAA7134_BOARD_BEHOLD_409FM:
 709         case SAA7134_BOARD_BEHOLD_401:
 710         case SAA7134_BOARD_BEHOLD_403:
 711         case SAA7134_BOARD_BEHOLD_403FM:
 712         case SAA7134_BOARD_BEHOLD_405:
 713         case SAA7134_BOARD_BEHOLD_405FM:
 714         case SAA7134_BOARD_BEHOLD_407:
 715         case SAA7134_BOARD_BEHOLD_407FM:
 716         case SAA7134_BOARD_BEHOLD_409:
 717         case SAA7134_BOARD_BEHOLD_505FM:
 718         case SAA7134_BOARD_BEHOLD_505RDS_MK5:
 719         case SAA7134_BOARD_BEHOLD_505RDS_MK3:
 720         case SAA7134_BOARD_BEHOLD_507_9FM:
 721         case SAA7134_BOARD_BEHOLD_507RDS_MK3:
 722         case SAA7134_BOARD_BEHOLD_507RDS_MK5:
 723                 ir_codes     = RC_MAP_MANLI;
 724                 mask_keycode = 0x003f00;
 725                 mask_keyup   = 0x004000;
 726                 polling      = 50; /* ms */
 727                 break;
 728         case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
 729                 ir_codes     = RC_MAP_BEHOLD_COLUMBUS;
 730                 mask_keycode = 0x003f00;
 731                 mask_keyup   = 0x004000;
 732                 polling      = 50; // ms
 733                 break;
 734         case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
 735                 ir_codes     = RC_MAP_PCTV_SEDNA;
 736                 mask_keycode = 0x001f00;
 737                 mask_keyup   = 0x004000;
 738                 polling      = 50; // ms
 739                 break;
 740         case SAA7134_BOARD_GOTVIEW_7135:
 741                 ir_codes     = RC_MAP_GOTVIEW7135;
 742                 mask_keycode = 0x0003CC;
 743                 mask_keydown = 0x000010;
 744                 polling      = 5; /* ms */
 745                 /* GPIO stuff moved to __saa7134_ir_start() */
 746                 break;
 747         case SAA7134_BOARD_VIDEOMATE_TV_PVR:
 748         case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
 749         case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
 750                 ir_codes     = RC_MAP_VIDEOMATE_TV_PVR;
 751                 mask_keycode = 0x00003F;
 752                 mask_keyup   = 0x400000;
 753                 polling      = 50; // ms
 754                 break;
 755         case SAA7134_BOARD_PROTEUS_2309:
 756                 ir_codes     = RC_MAP_PROTEUS_2309;
 757                 mask_keycode = 0x00007F;
 758                 mask_keyup   = 0x000080;
 759                 polling      = 50; // ms
 760                 break;
 761         case SAA7134_BOARD_VIDEOMATE_DVBT_300:
 762         case SAA7134_BOARD_VIDEOMATE_DVBT_200:
 763                 ir_codes     = RC_MAP_VIDEOMATE_TV_PVR;
 764                 mask_keycode = 0x003F00;
 765                 mask_keyup   = 0x040000;
 766                 break;
 767         case SAA7134_BOARD_FLYDVBS_LR300:
 768         case SAA7134_BOARD_FLYDVBT_LR301:
 769         case SAA7134_BOARD_FLYDVBTDUO:
 770                 ir_codes     = RC_MAP_FLYDVB;
 771                 mask_keycode = 0x0001F00;
 772                 mask_keydown = 0x0040000;
 773                 break;
 774         case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
 775         case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
 776         case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
 777                 ir_codes     = RC_MAP_ASUS_PC39;
 778                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 779                 mask_keyup   = 0x0040000;
 780                 mask_keycode = 0xffff;
 781                 raw_decode   = true;
 782                 break;
 783         case SAA7134_BOARD_ASUSTeK_PS3_100:
 784                 ir_codes     = RC_MAP_ASUS_PS3_100;
 785                 mask_keydown = 0x0040000;
 786                 mask_keyup   = 0x0040000;
 787                 mask_keycode = 0xffff;
 788                 raw_decode   = true;
 789                 break;
 790         case SAA7134_BOARD_ENCORE_ENLTV:
 791         case SAA7134_BOARD_ENCORE_ENLTV_FM:
 792                 ir_codes     = RC_MAP_ENCORE_ENLTV;
 793                 mask_keycode = 0x00007f;
 794                 mask_keyup   = 0x040000;
 795                 polling      = 50; // ms
 796                 break;
 797         case SAA7134_BOARD_ENCORE_ENLTV_FM53:
 798         case SAA7134_BOARD_ENCORE_ENLTV_FM3:
 799                 ir_codes     = RC_MAP_ENCORE_ENLTV_FM53;
 800                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 801                 mask_keyup   = 0x0040000;
 802                 mask_keycode = 0xffff;
 803                 raw_decode   = true;
 804                 break;
 805         case SAA7134_BOARD_10MOONSTVMASTER3:
 806                 ir_codes     = RC_MAP_ENCORE_ENLTV;
 807                 mask_keycode = 0x5f80000;
 808                 mask_keyup   = 0x8000000;
 809                 polling      = 50; //ms
 810                 break;
 811         case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
 812                 ir_codes     = RC_MAP_GENIUS_TVGO_A11MCE;
 813                 mask_keycode = 0xff;
 814                 mask_keydown = 0xf00000;
 815                 polling = 50; /* ms */
 816                 break;
 817         case SAA7134_BOARD_REAL_ANGEL_220:
 818                 ir_codes     = RC_MAP_REAL_AUDIO_220_32_KEYS;
 819                 mask_keycode = 0x3f00;
 820                 mask_keyup   = 0x4000;
 821                 polling = 50; /* ms */
 822                 break;
 823         case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
 824                 ir_codes     = RC_MAP_KWORLD_PLUS_TV_ANALOG;
 825                 mask_keycode = 0x7f;
 826                 polling = 40; /* ms */
 827                 break;
 828         case SAA7134_BOARD_VIDEOMATE_S350:
 829                 ir_codes     = RC_MAP_VIDEOMATE_S350;
 830                 mask_keycode = 0x003f00;
 831                 mask_keydown = 0x040000;
 832                 break;
 833         case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
 834                 ir_codes     = RC_MAP_WINFAST;
 835                 mask_keycode = 0x5f00;
 836                 mask_keyup   = 0x020000;
 837                 polling      = 50; /* ms */
 838                 break;
 839         case SAA7134_BOARD_VIDEOMATE_M1F:
 840                 ir_codes     = RC_MAP_VIDEOMATE_K100;
 841                 mask_keycode = 0x0ff00;
 842                 mask_keyup   = 0x040000;
 843                 break;
 844         case SAA7134_BOARD_HAUPPAUGE_HVR1150:
 845         case SAA7134_BOARD_HAUPPAUGE_HVR1120:
 846                 ir_codes     = RC_MAP_HAUPPAUGE;
 847                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 848                 mask_keyup   = 0x0040000;
 849                 mask_keycode = 0xffff;
 850                 raw_decode   = true;
 851                 break;
 852         case SAA7134_BOARD_LEADTEK_WINFAST_TV2100_FM:
 853                 ir_codes     = RC_MAP_LEADTEK_Y04G0051;
 854                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 855                 mask_keyup   = 0x0040000;
 856                 mask_keycode = 0xffff;
 857                 raw_decode   = true;
 858                 break;
 859         }
 860         if (NULL == ir_codes) {
 861                 pr_err("Oops: IR config error [card=%d]\n", dev->board);
 862                 return -ENODEV;
 863         }
 864
 865         ir = kzalloc(sizeof(*ir), GFP_KERNEL);
 866         rc = rc_allocate_device(RC_DRIVER_SCANCODE);
 867         if (!ir || !rc) {
 868                 err = -ENOMEM;
 869                 goto err_out_free;
 870         }
 871
 872         ir->dev = rc;
 873         dev->remote = ir;
 874
 875         /* init hardware-specific stuff */
 876         ir->mask_keycode = mask_keycode;
 877         ir->mask_keydown = mask_keydown;
 878         ir->mask_keyup   = mask_keyup;
 879         ir->polling      = polling;
 880         ir->raw_decode   = raw_decode;
 881
 882         /* init input device */
 883         snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
 884                  saa7134_boards[dev->board].name);
 885         snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
 886                  pci_name(dev->pci));
 887
 888         rc->priv = dev;
 889         rc->open = saa7134_ir_open;
 890         rc->close = saa7134_ir_close;
 891         if (raw_decode) {
 892                 rc->driver_type = RC_DRIVER_IR_RAW;
 893                 rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
 894         }
 895
 896         rc->device_name = ir->name;
 897         rc->input_phys = ir->phys;
 898         rc->input_id.bustype = BUS_PCI;
 899         rc->input_id.version = 1;
 900         if (dev->pci->subsystem_vendor) {
 901                 rc->input_id.vendor  = dev->pci->subsystem_vendor;
 902                 rc->input_id.product = dev->pci->subsystem_device;
 903         } else {
 904                 rc->input_id.vendor  = dev->pci->vendor;
 905                 rc->input_id.product = dev->pci->device;
 906         }
 907         rc->dev.parent = &dev->pci->dev;
 908         rc->map_name = ir_codes;
 909         rc->driver_name = MODULE_NAME;
 910         rc->min_timeout = 1;
 911         rc->timeout = IR_DEFAULT_TIMEOUT;
 912         rc->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
 913
 914         err = rc_register_device(rc);
 915         if (err)
 916                 goto err_out_free;
 917
 918         return 0;
 919
 920 err_out_free:
 921         rc_free_device(rc);
 922         dev->remote = NULL;
 923         kfree(ir);
 924         return err;
 925 }
 926
 927 void saa7134_input_fini(struct saa7134_dev *dev)
 928 {
 929         if (NULL == dev->remote)
 930                 return;
 931
 932         saa7134_ir_stop(dev);
 933         rc_unregister_device(dev->remote->dev);
 934         kfree(dev->remote);
 935         dev->remote = NULL;
 936 }
 937
 938 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
 939 {
 940         struct i2c_board_info info;
 941         struct i2c_msg msg_msi = {
 942                 .addr = 0x50,
 943                 .flags = I2C_M_RD,
 944                 .len = 0,
 945                 .buf = NULL,
 946         };
 947         int rc;
 948
 949         if (disable_ir) {
 950                 input_dbg("IR has been disabled, not probing for i2c remote\n");
 951                 return;
 952         }
 953
 954         memset(&info, 0, sizeof(struct i2c_board_info));
 955         memset(&dev->init_data, 0, sizeof(dev->init_data));
 956         strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
 957
 958         switch (dev->board) {
 959         case SAA7134_BOARD_PINNACLE_PCTV_110i:
 960         case SAA7134_BOARD_PINNACLE_PCTV_310i:
 961                 dev->init_data.name = "Pinnacle PCTV";
 962                 if (pinnacle_remote == 0) {
 963                         dev->init_data.get_key = get_key_pinnacle_color;
 964                         dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR;
 965                         info.addr = 0x47;
 966                 } else {
 967                         dev->init_data.get_key = get_key_pinnacle_grey;
 968                         dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
 969                         info.addr = 0x47;
 970                 }
 971                 break;
 972         case SAA7134_BOARD_UPMOST_PURPLE_TV:
 973                 dev->init_data.name = "Purple TV";
 974                 dev->init_data.get_key = get_key_purpletv;
 975                 dev->init_data.ir_codes = RC_MAP_PURPLETV;
 976                 info.addr = 0x7a;
 977                 break;
 978         case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
 979                 dev->init_data.name = "MSI TV@nywhere Plus";
 980                 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
 981                 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
 982                 /*
 983                  * MSI TV@nyware Plus requires more frequent polling
 984                  * otherwise it will miss some keypresses
 985                  */
 986                 dev->init_data.polling_interval = 50;
 987                 info.addr = 0x30;
 988                 /* MSI TV@nywhere Plus controller doesn't seem to
 989                    respond to probes unless we read something from
 990                    an existing device. Weird...
 991                    REVISIT: might no longer be needed */
 992                 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
 993                 input_dbg("probe 0x%02x @ %s: %s\n",
 994                         msg_msi.addr, dev->i2c_adap.name,
 995                         (1 == rc) ? "yes" : "no");
 996                 break;
 997         case SAA7134_BOARD_SNAZIO_TVPVR_PRO:
 998                 dev->init_data.name = "SnaZio* TVPVR PRO";
 999                 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
1000                 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
1001                 /*
1002                  * MSI TV@nyware Plus requires more frequent polling
1003                  * otherwise it will miss some keypresses
1004                  */
1005                 dev->init_data.polling_interval = 50;
1006                 info.addr = 0x30;
1007                 /*
1008                  * MSI TV@nywhere Plus controller doesn't seem to
1009                  *  respond to probes unless we read something from
1010                  *  an existing device. Weird...
1011                  * REVISIT: might no longer be needed
1012                  */
1013                 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
1014                 input_dbg("probe 0x%02x @ %s: %s\n",
1015                         msg_msi.addr, dev->i2c_adap.name,
1016                         (rc == 1) ? "yes" : "no");
1017                 break;
1018         case SAA7134_BOARD_KWORLD_PC150U:
1019                 /* copied and modified from MSI TV@nywhere Plus */
1020                 dev->init_data.name = "Kworld PC150-U";
1021                 dev->init_data.get_key = get_key_kworld_pc150u;
1022                 dev->init_data.ir_codes = RC_MAP_KWORLD_PC150U;
1023                 info.addr = 0x30;
1024                 /* MSI TV@nywhere Plus controller doesn't seem to
1025                    respond to probes unless we read something from
1026                    an existing device. Weird...
1027                    REVISIT: might no longer be needed */
1028                 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
1029                 input_dbg("probe 0x%02x @ %s: %s\n",
1030                         msg_msi.addr, dev->i2c_adap.name,
1031                         (1 == rc) ? "yes" : "no");
1032                 break;
1033         case SAA7134_BOARD_HAUPPAUGE_HVR1110:
1034                 dev->init_data.name = "HVR 1110";
1035                 dev->init_data.get_key = get_key_hvr1110;
1036                 dev->init_data.ir_codes = RC_MAP_HAUPPAUGE;
1037                 info.addr = 0x71;
1038                 break;
1039         case SAA7134_BOARD_BEHOLD_607FM_MK3:
1040         case SAA7134_BOARD_BEHOLD_607FM_MK5:
1041         case SAA7134_BOARD_BEHOLD_609FM_MK3:
1042         case SAA7134_BOARD_BEHOLD_609FM_MK5:
1043         case SAA7134_BOARD_BEHOLD_607RDS_MK3:
1044         case SAA7134_BOARD_BEHOLD_607RDS_MK5:
1045         case SAA7134_BOARD_BEHOLD_609RDS_MK3:
1046         case SAA7134_BOARD_BEHOLD_609RDS_MK5:
1047         case SAA7134_BOARD_BEHOLD_M6:
1048         case SAA7134_BOARD_BEHOLD_M63:
1049         case SAA7134_BOARD_BEHOLD_M6_EXTRA:
1050         case SAA7134_BOARD_BEHOLD_H6:
1051         case SAA7134_BOARD_BEHOLD_X7:
1052         case SAA7134_BOARD_BEHOLD_H7:
1053         case SAA7134_BOARD_BEHOLD_A7:
1054                 dev->init_data.name = "BeholdTV";
1055                 dev->init_data.get_key = get_key_beholdm6xx;
1056                 dev->init_data.ir_codes = RC_MAP_BEHOLD;
1057                 dev->init_data.type = RC_PROTO_BIT_NECX;
1058                 info.addr = 0x2d;
1059                 break;
1060         case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
1061         case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
1062                 info.addr = 0x40;
1063                 break;
1064         case SAA7134_BOARD_AVERMEDIA_A706:
1065                 info.addr = 0x41;
1066                 break;
1067         case SAA7134_BOARD_FLYDVB_TRIO:
1068                 dev->init_data.name = "FlyDVB Trio";
1069                 dev->init_data.get_key = get_key_flydvb_trio;
1070                 dev->init_data.ir_codes = RC_MAP_FLYDVB;
1071                 info.addr = 0x0b;
1072                 break;
1073         default:
1074                 input_dbg("No I2C IR support for board %x\n", dev->board);
1075                 return;
1076         }
1077
1078         if (dev->init_data.name)
1079                 info.platform_data = &dev->init_data;
1080         i2c_new_device(&dev->i2c_adap, &info);
1081 }
1082
1083 static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
1084 {
1085         struct saa7134_card_ir *ir = dev->remote;
1086         int space;
1087
1088         /* Generate initial event */
1089         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1090         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1091         space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
1092         ir_raw_event_store_edge(dev->remote->dev, !space);
1093
1094         return 1;
1095 }