Pileus Git - ~andy/linux/blob - drivers/media/video/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  * 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 <linux/module.h>
  22 #include <linux/init.h>
  23 #include <linux/delay.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/slab.h>
  26
  27 #include "saa7134-reg.h"
  28 #include "saa7134.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 dprintk(fmt, arg...)    if (ir_debug) \
  45         printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
  46 #define i2cdprintk(fmt, arg...)    if (ir_debug) \
  47         printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg)
  48
  49 /* Helper function for raw decoding at GPIO16 or GPIO18 */
  50 static int saa7134_raw_decode_irq(struct saa7134_dev *dev);
  51
  52 /* -------------------- GPIO generic keycode builder -------------------- */
  53
  54 static int build_key(struct saa7134_dev *dev)
  55 {
  56         struct saa7134_card_ir *ir = dev->remote;
  57         u32 gpio, data;
  58
  59         /* here comes the additional handshake steps for some cards */
  60         switch (dev->board) {
  61         case SAA7134_BOARD_GOTVIEW_7135:
  62                 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80);
  63                 saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80);
  64                 break;
  65         }
  66         /* rising SAA7134_GPIO_GPRESCAN reads the status */
  67         saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
  68         saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
  69
  70         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
  71         if (ir->polling) {
  72                 if (ir->last_gpio == gpio)
  73                         return 0;
  74                 ir->last_gpio = gpio;
  75         }
  76
  77         data = ir_extract_bits(gpio, ir->mask_keycode);
  78         dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
  79                 gpio, ir->mask_keycode, data);
  80
  81         switch (dev->board) {
  82         case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
  83                 if (data == ir->mask_keycode)
  84                         rc_keyup(ir->dev);
  85                 else
  86                         rc_keydown_notimeout(ir->dev, data, 0);
  87                 return 0;
  88         }
  89
  90         if (ir->polling) {
  91                 if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||
  92                     (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {
  93                         rc_keydown_notimeout(ir->dev, data, 0);
  94                 } else {
  95                         rc_keyup(ir->dev);
  96                 }
  97         }
  98         else {  /* IRQ driven mode - handle key press and release in one go */
  99                 if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||
 100                     (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {
 101                         rc_keydown_notimeout(ir->dev, data, 0);
 102                         rc_keyup(ir->dev);
 103                 }
 104         }
 105
 106         return 0;
 107 }
 108
 109 /* --------------------- Chip specific I2C key builders ----------------- */
 110
 111 static int get_key_flydvb_trio(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 112 {
 113         int gpio;
 114         int attempt = 0;
 115         unsigned char b;
 116
 117         /* We need this to access GPI Used by the saa_readl macro. */
 118         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 119
 120         if (dev == NULL) {
 121                 i2cdprintk("get_key_flydvb_trio: "
 122                            "ir->c->adapter->algo_data is NULL!\n");
 123                 return -EIO;
 124         }
 125
 126         /* rising SAA7134_GPIGPRESCAN reads the status */
 127         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 128         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 129
 130         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 131
 132         if (0x40000 & ~gpio)
 133                 return 0; /* No button press */
 134
 135         /* No button press - only before first key pressed */
 136         if (b == 0xFF)
 137                 return 0;
 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                 i2cdprintk("send wake up byte to pic16C505 (IR chip)"
 153                            "failed %dx\n", attempt);
 154                 return -EIO;
 155         }
 156         if (1 != i2c_master_recv(ir->c, &b, 1)) {
 157                 i2cdprintk("read error\n");
 158                 return -EIO;
 159         }
 160
 161         *ir_key = b;
 162         *ir_raw = b;
 163         return 1;
 164 }
 165
 166 static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key,
 167                                        u32 *ir_raw)
 168 {
 169         unsigned char b;
 170         int gpio;
 171
 172         /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
 173         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 174         if (dev == NULL) {
 175                 i2cdprintk("get_key_msi_tvanywhere_plus: "
 176                            "ir->c->adapter->algo_data is NULL!\n");
 177                 return -EIO;
 178         }
 179
 180         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 181
 182         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 183         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 184
 185         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 186
 187         /* GPIO&0x40 is pulsed low when a button is pressed. Don't do
 188            I2C receive if gpio&0x40 is not low. */
 189
 190         if (gpio & 0x40)
 191                 return 0;       /* No button press */
 192
 193         /* GPIO says there is a button press. Get it. */
 194
 195         if (1 != i2c_master_recv(ir->c, &b, 1)) {
 196                 i2cdprintk("read error\n");
 197                 return -EIO;
 198         }
 199
 200         /* No button press */
 201
 202         if (b == 0xff)
 203                 return 0;
 204
 205         /* Button pressed */
 206
 207         dprintk("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b);
 208         *ir_key = b;
 209         *ir_raw = b;
 210         return 1;
 211 }
 212
 213 static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 214 {
 215         unsigned char b;
 216
 217         /* poll IR chip */
 218         if (1 != i2c_master_recv(ir->c, &b, 1)) {
 219                 i2cdprintk("read error\n");
 220                 return -EIO;
 221         }
 222
 223         /* no button press */
 224         if (b==0)
 225                 return 0;
 226
 227         /* repeating */
 228         if (b & 0x80)
 229                 return 1;
 230
 231         *ir_key = b;
 232         *ir_raw = b;
 233         return 1;
 234 }
 235
 236 static int get_key_hvr1110(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 237 {
 238         unsigned char buf[5];
 239
 240         /* poll IR chip */
 241         if (5 != i2c_master_recv(ir->c, buf, 5))
 242                 return -EIO;
 243
 244         /* Check if some key were pressed */
 245         if (!(buf[0] & 0x80))
 246                 return 0;
 247
 248         /*
 249          * buf[3] & 0x80 is always high.
 250          * buf[3] & 0x40 is a parity bit. A repeat event is marked
 251          * by preserving it into two separate readings
 252          * buf[4] bits 0 and 1, and buf[1] and buf[2] are always
 253          * zero.
 254          */
 255         *ir_key = 0x1fff & ((buf[3] << 8) | (buf[4] >> 2));
 256         *ir_raw = *ir_key;
 257         return 1;
 258 }
 259
 260
 261 static int get_key_beholdm6xx(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 262 {
 263         unsigned char data[12];
 264         u32 gpio;
 265
 266         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 267
 268         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 269         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 270         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 271
 272         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 273
 274         if (0x400000 & ~gpio)
 275                 return 0; /* No button press */
 276
 277         ir->c->addr = 0x5a >> 1;
 278
 279         if (12 != i2c_master_recv(ir->c, data, 12)) {
 280                 i2cdprintk("read error\n");
 281                 return -EIO;
 282         }
 283
 284         if (data[9] != (unsigned char)(~data[8]))
 285                 return 0;
 286
 287         *ir_raw = ((data[10] << 16) | (data[11] << 8) | (data[9] << 0));
 288         *ir_key = *ir_raw;
 289
 290         return 1;
 291 }
 292
 293 /* Common (grey or coloured) pinnacle PCTV remote handling
 294  *
 295  */
 296 static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
 297                             int parity_offset, int marker, int code_modulo)
 298 {
 299         unsigned char b[4];
 300         unsigned int start = 0,parity = 0,code = 0;
 301
 302         /* poll IR chip */
 303         if (4 != i2c_master_recv(ir->c, b, 4)) {
 304                 i2cdprintk("read error\n");
 305                 return -EIO;
 306         }
 307
 308         for (start = 0; start < ARRAY_SIZE(b); start++) {
 309                 if (b[start] == marker) {
 310                         code=b[(start+parity_offset + 1) % 4];
 311                         parity=b[(start+parity_offset) % 4];
 312                 }
 313         }
 314
 315         /* Empty Request */
 316         if (parity == 0)
 317                 return 0;
 318
 319         /* Repeating... */
 320         if (ir->old == parity)
 321                 return 0;
 322
 323         ir->old = parity;
 324
 325         /* drop special codes when a key is held down a long time for the grey controller
 326            In this case, the second bit of the code is asserted */
 327         if (marker == 0xfe && (code & 0x40))
 328                 return 0;
 329
 330         code %= code_modulo;
 331
 332         *ir_raw = code;
 333         *ir_key = code;
 334
 335         i2cdprintk("Pinnacle PCTV key %02x\n", code);
 336
 337         return 1;
 338 }
 339
 340 /* The grey pinnacle PCTV remote
 341  *
 342  *  There are one issue with this remote:
 343  *   - I2c packet does not change when the same key is pressed quickly. The workaround
 344  *     is to hold down each key for about half a second, so that another code is generated
 345  *     in the i2c packet, and the function can distinguish key presses.
 346  *
 347  * Sylvain Pasche <sylvain.pasche@gmail.com>
 348  */
 349 static int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 350 {
 351
 352         return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff);
 353 }
 354
 355
 356 /* The new pinnacle PCTV remote (with the colored buttons)
 357  *
 358  * Ricardo Cerqueira <v4l@cerqueira.org>
 359  */
 360 static int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 361 {
 362         /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
 363          *
 364          * this is the only value that results in 42 unique
 365          * codes < 128
 366          */
 367
 368         return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88);
 369 }
 370
 371 void saa7134_input_irq(struct saa7134_dev *dev)
 372 {
 373         struct saa7134_card_ir *ir;
 374
 375         if (!dev || !dev->remote)
 376                 return;
 377
 378         ir = dev->remote;
 379         if (!ir->running)
 380                 return;
 381
 382         if (!ir->polling && !ir->raw_decode) {
 383                 build_key(dev);
 384         } else if (ir->raw_decode) {
 385                 saa7134_raw_decode_irq(dev);
 386         }
 387 }
 388
 389 static void saa7134_input_timer(unsigned long data)
 390 {
 391         struct saa7134_dev *dev = (struct saa7134_dev *)data;
 392         struct saa7134_card_ir *ir = dev->remote;
 393
 394         build_key(dev);
 395         mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
 396 }
 397
 398 static void ir_raw_decode_timer_end(unsigned long data)
 399 {
 400         struct saa7134_dev *dev = (struct saa7134_dev *)data;
 401         struct saa7134_card_ir *ir = dev->remote;
 402
 403         ir_raw_event_handle(dev->remote->dev);
 404
 405         ir->active = false;
 406 }
 407
 408 static int __saa7134_ir_start(void *priv)
 409 {
 410         struct saa7134_dev *dev = priv;
 411         struct saa7134_card_ir *ir;
 412
 413         if (!dev || !dev->remote)
 414                 return -EINVAL;
 415
 416         ir  = dev->remote;
 417         if (ir->running)
 418                 return 0;
 419
 420         /* Moved here from saa7134_input_init1() because the latter
 421          * is not called on device resume */
 422         switch (dev->board) {
 423         case SAA7134_BOARD_MD2819:
 424         case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
 425         case SAA7134_BOARD_AVERMEDIA_305:
 426         case SAA7134_BOARD_AVERMEDIA_307:
 427         case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
 428         case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
 429         case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
 430         case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
 431         case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
 432         case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
 433         case SAA7134_BOARD_AVERMEDIA_M102:
 434         case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
 435                 /* Without this we won't receive key up events */
 436                 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
 437                 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
 438                 break;
 439         case SAA7134_BOARD_AVERMEDIA_777:
 440         case SAA7134_BOARD_AVERMEDIA_A16AR:
 441                 /* Without this we won't receive key up events */
 442                 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
 443                 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
 444                 break;
 445         case SAA7134_BOARD_AVERMEDIA_A16D:
 446                 /* Without this we won't receive key up events */
 447                 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
 448                 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
 449                 break;
 450         case SAA7134_BOARD_GOTVIEW_7135:
 451                 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
 452                 break;
 453         }
 454
 455         ir->running = true;
 456         ir->active = false;
 457
 458         if (ir->polling) {
 459                 setup_timer(&ir->timer, saa7134_input_timer,
 460                             (unsigned long)dev);
 461                 ir->timer.expires = jiffies + HZ;
 462                 add_timer(&ir->timer);
 463         } else if (ir->raw_decode) {
 464                 /* set timer_end for code completion */
 465                 setup_timer(&ir->timer, ir_raw_decode_timer_end,
 466                             (unsigned long)dev);
 467         }
 468
 469         return 0;
 470 }
 471
 472 static void __saa7134_ir_stop(void *priv)
 473 {
 474         struct saa7134_dev *dev = priv;
 475         struct saa7134_card_ir *ir;
 476
 477         if (!dev || !dev->remote)
 478                 return;
 479
 480         ir  = dev->remote;
 481         if (!ir->running)
 482                 return;
 483
 484         if (ir->polling || ir->raw_decode)
 485                 del_timer_sync(&ir->timer);
 486
 487         ir->active = false;
 488         ir->running = false;
 489
 490         return;
 491 }
 492
 493 int saa7134_ir_start(struct saa7134_dev *dev)
 494 {
 495         if (dev->remote->users)
 496                 return __saa7134_ir_start(dev);
 497
 498         return 0;
 499 }
 500
 501 void saa7134_ir_stop(struct saa7134_dev *dev)
 502 {
 503         if (dev->remote->users)
 504                 __saa7134_ir_stop(dev);
 505 }
 506
 507 static int saa7134_ir_open(struct rc_dev *rc)
 508 {
 509         struct saa7134_dev *dev = rc->priv;
 510
 511         dev->remote->users++;
 512         return __saa7134_ir_start(dev);
 513 }
 514
 515 static void saa7134_ir_close(struct rc_dev *rc)
 516 {
 517         struct saa7134_dev *dev = rc->priv;
 518
 519         dev->remote->users--;
 520         if (!dev->remote->users)
 521                 __saa7134_ir_stop(dev);
 522 }
 523
 524 int saa7134_input_init1(struct saa7134_dev *dev)
 525 {
 526         struct saa7134_card_ir *ir;
 527         struct rc_dev *rc;
 528         char *ir_codes = NULL;
 529         u32 mask_keycode = 0;
 530         u32 mask_keydown = 0;
 531         u32 mask_keyup   = 0;
 532         unsigned polling = 0;
 533         bool raw_decode  = false;
 534         int err;
 535
 536         if (dev->has_remote != SAA7134_REMOTE_GPIO)
 537                 return -ENODEV;
 538         if (disable_ir)
 539                 return -ENODEV;
 540
 541         /* detect & configure */
 542         switch (dev->board) {
 543         case SAA7134_BOARD_FLYVIDEO2000:
 544         case SAA7134_BOARD_FLYVIDEO3000:
 545         case SAA7134_BOARD_FLYTVPLATINUM_FM:
 546         case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
 547         case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
 548                 ir_codes     = RC_MAP_FLYVIDEO;
 549                 mask_keycode = 0xEC00000;
 550                 mask_keydown = 0x0040000;
 551                 break;
 552         case SAA7134_BOARD_CINERGY400:
 553         case SAA7134_BOARD_CINERGY600:
 554         case SAA7134_BOARD_CINERGY600_MK3:
 555                 ir_codes     = RC_MAP_CINERGY;
 556                 mask_keycode = 0x00003f;
 557                 mask_keyup   = 0x040000;
 558                 break;
 559         case SAA7134_BOARD_ECS_TVP3XP:
 560         case SAA7134_BOARD_ECS_TVP3XP_4CB5:
 561                 ir_codes     = RC_MAP_EZTV;
 562                 mask_keycode = 0x00017c;
 563                 mask_keyup   = 0x000002;
 564                 polling      = 50; // ms
 565                 break;
 566         case SAA7134_BOARD_KWORLD_XPERT:
 567         case SAA7134_BOARD_AVACSSMARTTV:
 568                 ir_codes     = RC_MAP_PIXELVIEW;
 569                 mask_keycode = 0x00001F;
 570                 mask_keyup   = 0x000020;
 571                 polling      = 50; // ms
 572                 break;
 573         case SAA7134_BOARD_MD2819:
 574         case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
 575         case SAA7134_BOARD_AVERMEDIA_305:
 576         case SAA7134_BOARD_AVERMEDIA_307:
 577         case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
 578         case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
 579         case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
 580         case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
 581         case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
 582         case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
 583         case SAA7134_BOARD_AVERMEDIA_M102:
 584         case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
 585                 ir_codes     = RC_MAP_AVERMEDIA;
 586                 mask_keycode = 0x0007C8;
 587                 mask_keydown = 0x000010;
 588                 polling      = 50; // ms
 589                 /* GPIO stuff moved to __saa7134_ir_start() */
 590                 break;
 591         case SAA7134_BOARD_AVERMEDIA_M135A:
 592                 ir_codes     = RC_MAP_AVERMEDIA_M135A;
 593                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 594                 mask_keyup   = 0x0040000;
 595                 mask_keycode = 0xffff;
 596                 raw_decode   = true;
 597                 break;
 598         case SAA7134_BOARD_AVERMEDIA_M733A:
 599                 ir_codes     = RC_MAP_AVERMEDIA_M733A_RM_K6;
 600                 mask_keydown = 0x0040000;
 601                 mask_keyup   = 0x0040000;
 602                 mask_keycode = 0xffff;
 603                 raw_decode   = true;
 604                 break;
 605         case SAA7134_BOARD_AVERMEDIA_777:
 606         case SAA7134_BOARD_AVERMEDIA_A16AR:
 607                 ir_codes     = RC_MAP_AVERMEDIA;
 608                 mask_keycode = 0x02F200;
 609                 mask_keydown = 0x000400;
 610                 polling      = 50; // ms
 611                 /* GPIO stuff moved to __saa7134_ir_start() */
 612                 break;
 613         case SAA7134_BOARD_AVERMEDIA_A16D:
 614                 ir_codes     = RC_MAP_AVERMEDIA_A16D;
 615                 mask_keycode = 0x02F200;
 616                 mask_keydown = 0x000400;
 617                 polling      = 50; /* ms */
 618                 /* GPIO stuff moved to __saa7134_ir_start() */
 619                 break;
 620         case SAA7134_BOARD_KWORLD_TERMINATOR:
 621                 ir_codes     = RC_MAP_PIXELVIEW;
 622                 mask_keycode = 0x00001f;
 623                 mask_keyup   = 0x000060;
 624                 polling      = 50; // ms
 625                 break;
 626         case SAA7134_BOARD_MANLI_MTV001:
 627         case SAA7134_BOARD_MANLI_MTV002:
 628                 ir_codes     = RC_MAP_MANLI;
 629                 mask_keycode = 0x001f00;
 630                 mask_keyup   = 0x004000;
 631                 polling      = 50; /* ms */
 632                 break;
 633         case SAA7134_BOARD_BEHOLD_409FM:
 634         case SAA7134_BOARD_BEHOLD_401:
 635         case SAA7134_BOARD_BEHOLD_403:
 636         case SAA7134_BOARD_BEHOLD_403FM:
 637         case SAA7134_BOARD_BEHOLD_405:
 638         case SAA7134_BOARD_BEHOLD_405FM:
 639         case SAA7134_BOARD_BEHOLD_407:
 640         case SAA7134_BOARD_BEHOLD_407FM:
 641         case SAA7134_BOARD_BEHOLD_409:
 642         case SAA7134_BOARD_BEHOLD_505FM:
 643         case SAA7134_BOARD_BEHOLD_505RDS_MK5:
 644         case SAA7134_BOARD_BEHOLD_505RDS_MK3:
 645         case SAA7134_BOARD_BEHOLD_507_9FM:
 646         case SAA7134_BOARD_BEHOLD_507RDS_MK3:
 647         case SAA7134_BOARD_BEHOLD_507RDS_MK5:
 648                 ir_codes     = RC_MAP_MANLI;
 649                 mask_keycode = 0x003f00;
 650                 mask_keyup   = 0x004000;
 651                 polling      = 50; /* ms */
 652                 break;
 653         case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
 654                 ir_codes     = RC_MAP_BEHOLD_COLUMBUS;
 655                 mask_keycode = 0x003f00;
 656                 mask_keyup   = 0x004000;
 657                 polling      = 50; // ms
 658                 break;
 659         case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
 660                 ir_codes     = RC_MAP_PCTV_SEDNA;
 661                 mask_keycode = 0x001f00;
 662                 mask_keyup   = 0x004000;
 663                 polling      = 50; // ms
 664                 break;
 665         case SAA7134_BOARD_GOTVIEW_7135:
 666                 ir_codes     = RC_MAP_GOTVIEW7135;
 667                 mask_keycode = 0x0003CC;
 668                 mask_keydown = 0x000010;
 669                 polling      = 5; /* ms */
 670                 /* GPIO stuff moved to __saa7134_ir_start() */
 671                 break;
 672         case SAA7134_BOARD_VIDEOMATE_TV_PVR:
 673         case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
 674         case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
 675                 ir_codes     = RC_MAP_VIDEOMATE_TV_PVR;
 676                 mask_keycode = 0x00003F;
 677                 mask_keyup   = 0x400000;
 678                 polling      = 50; // ms
 679                 break;
 680         case SAA7134_BOARD_PROTEUS_2309:
 681                 ir_codes     = RC_MAP_PROTEUS_2309;
 682                 mask_keycode = 0x00007F;
 683                 mask_keyup   = 0x000080;
 684                 polling      = 50; // ms
 685                 break;
 686         case SAA7134_BOARD_VIDEOMATE_DVBT_300:
 687         case SAA7134_BOARD_VIDEOMATE_DVBT_200:
 688                 ir_codes     = RC_MAP_VIDEOMATE_TV_PVR;
 689                 mask_keycode = 0x003F00;
 690                 mask_keyup   = 0x040000;
 691                 break;
 692         case SAA7134_BOARD_FLYDVBS_LR300:
 693         case SAA7134_BOARD_FLYDVBT_LR301:
 694         case SAA7134_BOARD_FLYDVBTDUO:
 695                 ir_codes     = RC_MAP_FLYDVB;
 696                 mask_keycode = 0x0001F00;
 697                 mask_keydown = 0x0040000;
 698                 break;
 699         case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
 700         case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
 701         case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
 702                 ir_codes     = RC_MAP_ASUS_PC39;
 703                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 704                 mask_keyup   = 0x0040000;
 705                 mask_keycode = 0xffff;
 706                 raw_decode   = true;
 707                 break;
 708         case SAA7134_BOARD_ENCORE_ENLTV:
 709         case SAA7134_BOARD_ENCORE_ENLTV_FM:
 710                 ir_codes     = RC_MAP_ENCORE_ENLTV;
 711                 mask_keycode = 0x00007f;
 712                 mask_keyup   = 0x040000;
 713                 polling      = 50; // ms
 714                 break;
 715         case SAA7134_BOARD_ENCORE_ENLTV_FM53:
 716         case SAA7134_BOARD_ENCORE_ENLTV_FM3:
 717                 ir_codes     = RC_MAP_ENCORE_ENLTV_FM53;
 718                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 719                 mask_keyup   = 0x0040000;
 720                 mask_keycode = 0xffff;
 721                 raw_decode   = true;
 722                 break;
 723         case SAA7134_BOARD_10MOONSTVMASTER3:
 724                 ir_codes     = RC_MAP_ENCORE_ENLTV;
 725                 mask_keycode = 0x5f80000;
 726                 mask_keyup   = 0x8000000;
 727                 polling      = 50; //ms
 728                 break;
 729         case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
 730                 ir_codes     = RC_MAP_GENIUS_TVGO_A11MCE;
 731                 mask_keycode = 0xff;
 732                 mask_keydown = 0xf00000;
 733                 polling = 50; /* ms */
 734                 break;
 735         case SAA7134_BOARD_REAL_ANGEL_220:
 736                 ir_codes     = RC_MAP_REAL_AUDIO_220_32_KEYS;
 737                 mask_keycode = 0x3f00;
 738                 mask_keyup   = 0x4000;
 739                 polling = 50; /* ms */
 740                 break;
 741         case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
 742                 ir_codes     = RC_MAP_KWORLD_PLUS_TV_ANALOG;
 743                 mask_keycode = 0x7f;
 744                 polling = 40; /* ms */
 745                 break;
 746         case SAA7134_BOARD_VIDEOMATE_S350:
 747                 ir_codes     = RC_MAP_VIDEOMATE_S350;
 748                 mask_keycode = 0x003f00;
 749                 mask_keydown = 0x040000;
 750                 break;
 751         case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
 752                 ir_codes     = RC_MAP_WINFAST;
 753                 mask_keycode = 0x5f00;
 754                 mask_keyup   = 0x020000;
 755                 polling      = 50; /* ms */
 756                 break;
 757         case SAA7134_BOARD_VIDEOMATE_M1F:
 758                 ir_codes     = RC_MAP_VIDEOMATE_K100;
 759                 mask_keycode = 0x0ff00;
 760                 mask_keyup   = 0x040000;
 761                 break;
 762         case SAA7134_BOARD_HAUPPAUGE_HVR1150:
 763         case SAA7134_BOARD_HAUPPAUGE_HVR1120:
 764                 ir_codes     = RC_MAP_HAUPPAUGE;
 765                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 766                 mask_keyup   = 0x0040000;
 767                 mask_keycode = 0xffff;
 768                 raw_decode   = true;
 769                 break;
 770         }
 771         if (NULL == ir_codes) {
 772                 printk("%s: Oops: IR config error [card=%d]\n",
 773                        dev->name, dev->board);
 774                 return -ENODEV;
 775         }
 776
 777         ir = kzalloc(sizeof(*ir), GFP_KERNEL);
 778         rc = rc_allocate_device();
 779         if (!ir || !rc) {
 780                 err = -ENOMEM;
 781                 goto err_out_free;
 782         }
 783
 784         ir->dev = rc;
 785         dev->remote = ir;
 786
 787         /* init hardware-specific stuff */
 788         ir->mask_keycode = mask_keycode;
 789         ir->mask_keydown = mask_keydown;
 790         ir->mask_keyup   = mask_keyup;
 791         ir->polling      = polling;
 792         ir->raw_decode   = raw_decode;
 793
 794         /* init input device */
 795         snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
 796                  saa7134_boards[dev->board].name);
 797         snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
 798                  pci_name(dev->pci));
 799
 800         rc->priv = dev;
 801         rc->open = saa7134_ir_open;
 802         rc->close = saa7134_ir_close;
 803         if (raw_decode)
 804                 rc->driver_type = RC_DRIVER_IR_RAW;
 805
 806         rc->input_name = ir->name;
 807         rc->input_phys = ir->phys;
 808         rc->input_id.bustype = BUS_PCI;
 809         rc->input_id.version = 1;
 810         if (dev->pci->subsystem_vendor) {
 811                 rc->input_id.vendor  = dev->pci->subsystem_vendor;
 812                 rc->input_id.product = dev->pci->subsystem_device;
 813         } else {
 814                 rc->input_id.vendor  = dev->pci->vendor;
 815                 rc->input_id.product = dev->pci->device;
 816         }
 817         rc->dev.parent = &dev->pci->dev;
 818         rc->map_name = ir_codes;
 819         rc->driver_name = MODULE_NAME;
 820
 821         err = rc_register_device(rc);
 822         if (err)
 823                 goto err_out_free;
 824
 825         return 0;
 826
 827 err_out_free:
 828         rc_free_device(rc);
 829         dev->remote = NULL;
 830         kfree(ir);
 831         return err;
 832 }
 833
 834 void saa7134_input_fini(struct saa7134_dev *dev)
 835 {
 836         if (NULL == dev->remote)
 837                 return;
 838
 839         saa7134_ir_stop(dev);
 840         rc_unregister_device(dev->remote->dev);
 841         kfree(dev->remote);
 842         dev->remote = NULL;
 843 }
 844
 845 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
 846 {
 847         struct i2c_board_info info;
 848         struct i2c_msg msg_msi = {
 849                 .addr = 0x50,
 850                 .flags = I2C_M_RD,
 851                 .len = 0,
 852                 .buf = NULL,
 853         };
 854         int rc;
 855
 856         if (disable_ir) {
 857                 dprintk("IR has been disabled, not probing for i2c remote\n");
 858                 return;
 859         }
 860
 861         memset(&info, 0, sizeof(struct i2c_board_info));
 862         memset(&dev->init_data, 0, sizeof(dev->init_data));
 863         strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
 864
 865         switch (dev->board) {
 866         case SAA7134_BOARD_PINNACLE_PCTV_110i:
 867         case SAA7134_BOARD_PINNACLE_PCTV_310i:
 868                 dev->init_data.name = "Pinnacle PCTV";
 869                 if (pinnacle_remote == 0) {
 870                         dev->init_data.get_key = get_key_pinnacle_color;
 871                         dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR;
 872                         info.addr = 0x47;
 873                 } else {
 874                         dev->init_data.get_key = get_key_pinnacle_grey;
 875                         dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
 876                         info.addr = 0x47;
 877                 }
 878                 break;
 879         case SAA7134_BOARD_UPMOST_PURPLE_TV:
 880                 dev->init_data.name = "Purple TV";
 881                 dev->init_data.get_key = get_key_purpletv;
 882                 dev->init_data.ir_codes = RC_MAP_PURPLETV;
 883                 info.addr = 0x7a;
 884                 break;
 885         case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
 886                 dev->init_data.name = "MSI TV@nywhere Plus";
 887                 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
 888                 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
 889                 /*
 890                  * MSI TV@nyware Plus requires more frequent polling
 891                  * otherwise it will miss some keypresses
 892                  */
 893                 dev->init_data.polling_interval = 50;
 894                 info.addr = 0x30;
 895                 /* MSI TV@nywhere Plus controller doesn't seem to
 896                    respond to probes unless we read something from
 897                    an existing device. Weird...
 898                    REVISIT: might no longer be needed */
 899                 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
 900                 dprintk("probe 0x%02x @ %s: %s\n",
 901                         msg_msi.addr, dev->i2c_adap.name,
 902                         (1 == rc) ? "yes" : "no");
 903                 break;
 904         case SAA7134_BOARD_HAUPPAUGE_HVR1110:
 905                 dev->init_data.name = "HVR 1110";
 906                 dev->init_data.get_key = get_key_hvr1110;
 907                 dev->init_data.ir_codes = RC_MAP_HAUPPAUGE;
 908                 info.addr = 0x71;
 909                 break;
 910         case SAA7134_BOARD_BEHOLD_607FM_MK3:
 911         case SAA7134_BOARD_BEHOLD_607FM_MK5:
 912         case SAA7134_BOARD_BEHOLD_609FM_MK3:
 913         case SAA7134_BOARD_BEHOLD_609FM_MK5:
 914         case SAA7134_BOARD_BEHOLD_607RDS_MK3:
 915         case SAA7134_BOARD_BEHOLD_607RDS_MK5:
 916         case SAA7134_BOARD_BEHOLD_609RDS_MK3:
 917         case SAA7134_BOARD_BEHOLD_609RDS_MK5:
 918         case SAA7134_BOARD_BEHOLD_M6:
 919         case SAA7134_BOARD_BEHOLD_M63:
 920         case SAA7134_BOARD_BEHOLD_M6_EXTRA:
 921         case SAA7134_BOARD_BEHOLD_H6:
 922         case SAA7134_BOARD_BEHOLD_X7:
 923         case SAA7134_BOARD_BEHOLD_H7:
 924         case SAA7134_BOARD_BEHOLD_A7:
 925                 dev->init_data.name = "BeholdTV";
 926                 dev->init_data.get_key = get_key_beholdm6xx;
 927                 dev->init_data.ir_codes = RC_MAP_BEHOLD;
 928                 dev->init_data.type = RC_TYPE_NEC;
 929                 info.addr = 0x2d;
 930                 break;
 931         case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
 932         case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
 933                 info.addr = 0x40;
 934                 break;
 935         case SAA7134_BOARD_FLYDVB_TRIO:
 936                 dev->init_data.name = "FlyDVB Trio";
 937                 dev->init_data.get_key = get_key_flydvb_trio;
 938                 dev->init_data.ir_codes = RC_MAP_FLYDVB;
 939                 info.addr = 0x0b;
 940                 break;
 941         default:
 942                 dprintk("No I2C IR support for board %x\n", dev->board);
 943                 return;
 944         }
 945
 946         if (dev->init_data.name)
 947                 info.platform_data = &dev->init_data;
 948         i2c_new_device(&dev->i2c_adap, &info);
 949 }
 950
 951 static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
 952 {
 953         struct saa7134_card_ir *ir = dev->remote;
 954         unsigned long timeout;
 955         int space;
 956
 957         /* Generate initial event */
 958         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 959         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 960         space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
 961         ir_raw_event_store_edge(dev->remote->dev, space ? IR_SPACE : IR_PULSE);
 962
 963         /*
 964          * Wait 15 ms from the start of the first IR event before processing
 965          * the event. This time is enough for NEC protocol. May need adjustments
 966          * to work with other protocols.
 967          */
 968         if (!ir->active) {
 969                 timeout = jiffies + msecs_to_jiffies(15);
 970                 mod_timer(&ir->timer, timeout);
 971                 ir->active = true;
 972         }
 973
 974         return 1;
 975 }