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->name, ## arg); \
  47         } while (0)
  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         input_dbg("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, RC_PROTO_UNKNOWN, data,
  87                                              0);
  88                 return 0;
  89         }
  90
  91         if (ir->polling) {
  92                 if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||
  93                     (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {
  94                         rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
  95                                              0);
  96                 } else {
  97                         rc_keyup(ir->dev);
  98                 }
  99         }
 100         else {  /* IRQ driven mode - handle key press and release in one go */
 101                 if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||
 102                     (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {
 103                         rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
 104                                              0);
 105                         rc_keyup(ir->dev);
 106                 }
 107         }
 108
 109         return 0;
 110 }
 111
 112 /* --------------------- Chip specific I2C key builders ----------------- */
 113
 114 static int get_key_flydvb_trio(struct IR_i2c *ir, enum rc_proto *protocol,
 115                                u32 *scancode, u8 *toggle)
 116 {
 117         int gpio;
 118         int attempt = 0;
 119         unsigned char b;
 120
 121         /* We need this to access GPI Used by the saa_readl macro. */
 122         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 123
 124         if (dev == NULL) {
 125                 ir_dbg(ir, "get_key_flydvb_trio: ir->c->adapter->algo_data is NULL!\n");
 126                 return -EIO;
 127         }
 128
 129         /* rising SAA7134_GPIGPRESCAN reads the status */
 130         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 131         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 132
 133         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 134
 135         if (0x40000 & ~gpio)
 136                 return 0; /* No button press */
 137
 138         /* poll IR chip */
 139         /* weak up the IR chip */
 140         b = 0;
 141
 142         while (1 != i2c_master_send(ir->c, &b, 1)) {
 143                 if ((attempt++) < 10) {
 144                         /*
 145                          * wait a bit for next attempt -
 146                          * I don't know how make it better
 147                          */
 148                         msleep(10);
 149                         continue;
 150                 }
 151                 ir_dbg(ir, "send wake up byte to pic16C505 (IR chip)failed %dx\n",
 152                        attempt);
 153                 return -EIO;
 154         }
 155         if (1 != i2c_master_recv(ir->c, &b, 1)) {
 156                 ir_dbg(ir, "read error\n");
 157                 return -EIO;
 158         }
 159
 160         *protocol = RC_PROTO_UNKNOWN;
 161         *scancode = b;
 162         *toggle = 0;
 163         return 1;
 164 }
 165
 166 static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir,
 167                                        enum rc_proto *protocol,
 168                                        u32 *scancode, u8 *toggle)
 169 {
 170         unsigned char b;
 171         int gpio;
 172
 173         /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
 174         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 175         if (dev == NULL) {
 176                 ir_dbg(ir, "get_key_msi_tvanywhere_plus: 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                 ir_dbg(ir, "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         input_dbg("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b);
 208         *protocol = RC_PROTO_UNKNOWN;
 209         *scancode = b;
 210         *toggle = 0;
 211         return 1;
 212 }
 213
 214 /* copied and modified from get_key_msi_tvanywhere_plus() */
 215 static int get_key_kworld_pc150u(struct IR_i2c *ir, enum rc_proto *protocol,
 216                                  u32 *scancode, u8 *toggle)
 217 {
 218         unsigned char b;
 219         unsigned int gpio;
 220
 221         /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
 222         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 223         if (dev == NULL) {
 224                 ir_dbg(ir, "get_key_kworld_pc150u: ir->c->adapter->algo_data is NULL!\n");
 225                 return -EIO;
 226         }
 227
 228         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 229
 230         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 231         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 232
 233         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 234
 235         /* GPIO&0x100 is pulsed low when a button is pressed. Don't do
 236            I2C receive if gpio&0x100 is not low. */
 237
 238         if (gpio & 0x100)
 239                 return 0;       /* No button press */
 240
 241         /* GPIO says there is a button press. Get it. */
 242
 243         if (1 != i2c_master_recv(ir->c, &b, 1)) {
 244                 ir_dbg(ir, "read error\n");
 245                 return -EIO;
 246         }
 247
 248         /* No button press */
 249
 250         if (b == 0xff)
 251                 return 0;
 252
 253         /* Button pressed */
 254
 255         input_dbg("get_key_kworld_pc150u: Key = 0x%02X\n", b);
 256         *protocol = RC_PROTO_UNKNOWN;
 257         *scancode = b;
 258         *toggle = 0;
 259         return 1;
 260 }
 261
 262 static int get_key_purpletv(struct IR_i2c *ir, enum rc_proto *protocol,
 263                             u32 *scancode, u8 *toggle)
 264 {
 265         unsigned char b;
 266
 267         /* poll IR chip */
 268         if (1 != i2c_master_recv(ir->c, &b, 1)) {
 269                 ir_dbg(ir, "read error\n");
 270                 return -EIO;
 271         }
 272
 273         /* no button press */
 274         if (b==0)
 275                 return 0;
 276
 277         /* repeating */
 278         if (b & 0x80)
 279                 return 1;
 280
 281         *protocol = RC_PROTO_UNKNOWN;
 282         *scancode = b;
 283         *toggle = 0;
 284         return 1;
 285 }
 286
 287 static int get_key_hvr1110(struct IR_i2c *ir, enum rc_proto *protocol,
 288                            u32 *scancode, u8 *toggle)
 289 {
 290         unsigned char buf[5];
 291
 292         /* poll IR chip */
 293         if (5 != i2c_master_recv(ir->c, buf, 5))
 294                 return -EIO;
 295
 296         /* Check if some key were pressed */
 297         if (!(buf[0] & 0x80))
 298                 return 0;
 299
 300         /*
 301          * buf[3] & 0x80 is always high.
 302          * buf[3] & 0x40 is a parity bit. A repeat event is marked
 303          * by preserving it into two separate readings
 304          * buf[4] bits 0 and 1, and buf[1] and buf[2] are always
 305          * zero.
 306          *
 307          * Note that the keymap which the hvr1110 uses is RC5.
 308          *
 309          * FIXME: start bits could maybe be used...?
 310          */
 311         *protocol = RC_PROTO_RC5;
 312         *scancode = RC_SCANCODE_RC5(buf[3] & 0x1f, buf[4] >> 2);
 313         *toggle = !!(buf[3] & 0x40);
 314         return 1;
 315 }
 316
 317
 318 static int get_key_beholdm6xx(struct IR_i2c *ir, enum rc_proto *protocol,
 319                               u32 *scancode, u8 *toggle)
 320 {
 321         unsigned char data[12];
 322         u32 gpio;
 323
 324         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 325
 326         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 327         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 328         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 329
 330         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 331
 332         if (0x400000 & ~gpio)
 333                 return 0; /* No button press */
 334
 335         ir->c->addr = 0x5a >> 1;
 336
 337         if (12 != i2c_master_recv(ir->c, data, 12)) {
 338                 ir_dbg(ir, "read error\n");
 339                 return -EIO;
 340         }
 341
 342         if (data[9] != (unsigned char)(~data[8]))
 343                 return 0;
 344
 345         *protocol = RC_PROTO_NECX;
 346         *scancode = RC_SCANCODE_NECX(data[11] << 8 | data[10], data[9]);
 347         *toggle = 0;
 348         return 1;
 349 }
 350
 351 /* Common (grey or coloured) pinnacle PCTV remote handling
 352  *
 353  */
 354 static int get_key_pinnacle(struct IR_i2c *ir, enum rc_proto *protocol,
 355                             u32 *scancode, u8 *toggle, int parity_offset,
 356                             int marker, int code_modulo)
 357 {
 358         unsigned char b[4];
 359         unsigned int start = 0,parity = 0,code = 0;
 360
 361         /* poll IR chip */
 362         if (4 != i2c_master_recv(ir->c, b, 4)) {
 363                 ir_dbg(ir, "read error\n");
 364                 return -EIO;
 365         }
 366
 367         for (start = 0; start < ARRAY_SIZE(b); start++) {
 368                 if (b[start] == marker) {
 369                         code=b[(start+parity_offset + 1) % 4];
 370                         parity=b[(start+parity_offset) % 4];
 371                 }
 372         }
 373
 374         /* Empty Request */
 375         if (parity == 0)
 376                 return 0;
 377
 378         /* Repeating... */
 379         if (ir->old == parity)
 380                 return 0;
 381
 382         ir->old = parity;
 383
 384         /* drop special codes when a key is held down a long time for the grey controller
 385            In this case, the second bit of the code is asserted */
 386         if (marker == 0xfe && (code & 0x40))
 387                 return 0;
 388
 389         code %= code_modulo;
 390
 391         *protocol = RC_PROTO_UNKNOWN;
 392         *scancode = code;
 393         *toggle = 0;
 394
 395         ir_dbg(ir, "Pinnacle PCTV key %02x\n", code);
 396         return 1;
 397 }
 398
 399 /* The grey pinnacle PCTV remote
 400  *
 401  *  There are one issue with this remote:
 402  *   - I2c packet does not change when the same key is pressed quickly. The workaround
 403  *     is to hold down each key for about half a second, so that another code is generated
 404  *     in the i2c packet, and the function can distinguish key presses.
 405  *
 406  * Sylvain Pasche <sylvain.pasche@gmail.com>
 407  */
 408 static int get_key_pinnacle_grey(struct IR_i2c *ir, enum rc_proto *protocol,
 409                                  u32 *scancode, u8 *toggle)
 410 {
 411
 412         return get_key_pinnacle(ir, protocol, scancode, toggle, 1, 0xfe, 0xff);
 413 }
 414
 415
 416 /* The new pinnacle PCTV remote (with the colored buttons)
 417  *
 418  * Ricardo Cerqueira <v4l@cerqueira.org>
 419  */
 420 static int get_key_pinnacle_color(struct IR_i2c *ir, enum rc_proto *protocol,
 421                                   u32 *scancode, u8 *toggle)
 422 {
 423         /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
 424          *
 425          * this is the only value that results in 42 unique
 426          * codes < 128
 427          */
 428
 429         return get_key_pinnacle(ir, protocol, scancode, toggle, 2, 0x80, 0x88);
 430 }
 431
 432 void saa7134_input_irq(struct saa7134_dev *dev)
 433 {
 434         struct saa7134_card_ir *ir;
 435
 436         if (!dev || !dev->remote)
 437                 return;
 438
 439         ir = dev->remote;
 440         if (!ir->running)
 441                 return;
 442
 443         if (!ir->polling && !ir->raw_decode) {
 444                 build_key(dev);
 445         } else if (ir->raw_decode) {
 446                 saa7134_raw_decode_irq(dev);
 447         }
 448 }
 449
 450 static void saa7134_input_timer(unsigned long data)
 451 {
 452         struct saa7134_dev *dev = (struct saa7134_dev *)data;
 453         struct saa7134_card_ir *ir = dev->remote;
 454
 455         build_key(dev);
 456         mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
 457 }
 458
 459 static int __saa7134_ir_start(void *priv)
 460 {
 461         struct saa7134_dev *dev = priv;
 462         struct saa7134_card_ir *ir;
 463
 464         if (!dev || !dev->remote)
 465                 return -EINVAL;
 466
 467         ir  = dev->remote;
 468         if (ir->running)
 469                 return 0;
 470
 471         /* Moved here from saa7134_input_init1() because the latter
 472          * is not called on device resume */
 473         switch (dev->board) {
 474         case SAA7134_BOARD_MD2819:
 475         case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
 476         case SAA7134_BOARD_AVERMEDIA_305:
 477         case SAA7134_BOARD_AVERMEDIA_307:
 478         case SAA7134_BOARD_AVERMEDIA_505:
 479         case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
 480         case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
 481         case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
 482         case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
 483         case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
 484         case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
 485         case SAA7134_BOARD_AVERMEDIA_M102:
 486         case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
 487                 /* Without this we won't receive key up events */
 488                 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
 489                 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
 490                 break;
 491         case SAA7134_BOARD_AVERMEDIA_777:
 492         case SAA7134_BOARD_AVERMEDIA_A16AR:
 493                 /* Without this we won't receive key up events */
 494                 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
 495                 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
 496                 break;
 497         case SAA7134_BOARD_AVERMEDIA_A16D:
 498                 /* Without this we won't receive key up events */
 499                 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
 500                 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
 501                 break;
 502         case SAA7134_BOARD_GOTVIEW_7135:
 503                 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
 504                 break;
 505         }
 506
 507         ir->running = true;
 508
 509         if (ir->polling) {
 510                 setup_timer(&ir->timer, saa7134_input_timer,
 511                             (unsigned long)dev);
 512                 ir->timer.expires = jiffies + HZ;
 513                 add_timer(&ir->timer);
 514         }
 515
 516         return 0;
 517 }
 518
 519 static void __saa7134_ir_stop(void *priv)
 520 {
 521         struct saa7134_dev *dev = priv;
 522         struct saa7134_card_ir *ir;
 523
 524         if (!dev || !dev->remote)
 525                 return;
 526
 527         ir  = dev->remote;
 528         if (!ir->running)
 529                 return;
 530
 531         if (ir->polling)
 532                 del_timer_sync(&ir->timer);
 533
 534         ir->running = false;
 535
 536         return;
 537 }
 538
 539 int saa7134_ir_start(struct saa7134_dev *dev)
 540 {
 541         if (dev->remote->users)
 542                 return __saa7134_ir_start(dev);
 543
 544         return 0;
 545 }
 546
 547 void saa7134_ir_stop(struct saa7134_dev *dev)
 548 {
 549         if (dev->remote->users)
 550                 __saa7134_ir_stop(dev);
 551 }
 552
 553 static int saa7134_ir_open(struct rc_dev *rc)
 554 {
 555         struct saa7134_dev *dev = rc->priv;
 556
 557         dev->remote->users++;
 558         return __saa7134_ir_start(dev);
 559 }
 560
 561 static void saa7134_ir_close(struct rc_dev *rc)
 562 {
 563         struct saa7134_dev *dev = rc->priv;
 564
 565         dev->remote->users--;
 566         if (!dev->remote->users)
 567                 __saa7134_ir_stop(dev);
 568 }
 569
 570 int saa7134_input_init1(struct saa7134_dev *dev)
 571 {
 572         struct saa7134_card_ir *ir;
 573         struct rc_dev *rc;
 574         char *ir_codes = NULL;
 575         u32 mask_keycode = 0;
 576         u32 mask_keydown = 0;
 577         u32 mask_keyup   = 0;
 578         unsigned polling = 0;
 579         bool raw_decode  = false;
 580         int err;
 581
 582         if (dev->has_remote != SAA7134_REMOTE_GPIO)
 583                 return -ENODEV;
 584         if (disable_ir)
 585                 return -ENODEV;
 586
 587         /* detect & configure */
 588         switch (dev->board) {
 589         case SAA7134_BOARD_FLYVIDEO2000:
 590         case SAA7134_BOARD_FLYVIDEO3000:
 591         case SAA7134_BOARD_FLYTVPLATINUM_FM:
 592         case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
 593         case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
 594                 ir_codes     = RC_MAP_FLYVIDEO;
 595                 mask_keycode = 0xEC00000;
 596                 mask_keydown = 0x0040000;
 597                 break;
 598         case SAA7134_BOARD_CINERGY400:
 599         case SAA7134_BOARD_CINERGY600:
 600         case SAA7134_BOARD_CINERGY600_MK3:
 601                 ir_codes     = RC_MAP_CINERGY;
 602                 mask_keycode = 0x00003f;
 603                 mask_keyup   = 0x040000;
 604                 break;
 605         case SAA7134_BOARD_ECS_TVP3XP:
 606         case SAA7134_BOARD_ECS_TVP3XP_4CB5:
 607                 ir_codes     = RC_MAP_EZTV;
 608                 mask_keycode = 0x00017c;
 609                 mask_keyup   = 0x000002;
 610                 polling      = 50; // ms
 611                 break;
 612         case SAA7134_BOARD_KWORLD_XPERT:
 613         case SAA7134_BOARD_AVACSSMARTTV:
 614                 ir_codes     = RC_MAP_PIXELVIEW;
 615                 mask_keycode = 0x00001F;
 616                 mask_keyup   = 0x000020;
 617                 polling      = 50; // ms
 618                 break;
 619         case SAA7134_BOARD_MD2819:
 620         case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
 621         case SAA7134_BOARD_AVERMEDIA_305:
 622         case SAA7134_BOARD_AVERMEDIA_307:
 623         case SAA7134_BOARD_AVERMEDIA_505:
 624         case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
 625         case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
 626         case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
 627         case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
 628         case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
 629         case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
 630         case SAA7134_BOARD_AVERMEDIA_M102:
 631         case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
 632                 ir_codes     = RC_MAP_AVERMEDIA;
 633                 mask_keycode = 0x0007C8;
 634                 mask_keydown = 0x000010;
 635                 polling      = 50; // ms
 636                 /* GPIO stuff moved to __saa7134_ir_start() */
 637                 break;
 638         case SAA7134_BOARD_AVERMEDIA_M135A:
 639                 ir_codes     = RC_MAP_AVERMEDIA_M135A;
 640                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 641                 mask_keyup   = 0x0040000;
 642                 mask_keycode = 0xffff;
 643                 raw_decode   = true;
 644                 break;
 645         case SAA7134_BOARD_AVERMEDIA_M733A:
 646                 ir_codes     = RC_MAP_AVERMEDIA_M733A_RM_K6;
 647                 mask_keydown = 0x0040000;
 648                 mask_keyup   = 0x0040000;
 649                 mask_keycode = 0xffff;
 650                 raw_decode   = true;
 651                 break;
 652         case SAA7134_BOARD_AVERMEDIA_777:
 653         case SAA7134_BOARD_AVERMEDIA_A16AR:
 654                 ir_codes     = RC_MAP_AVERMEDIA;
 655                 mask_keycode = 0x02F200;
 656                 mask_keydown = 0x000400;
 657                 polling      = 50; // ms
 658                 /* GPIO stuff moved to __saa7134_ir_start() */
 659                 break;
 660         case SAA7134_BOARD_AVERMEDIA_A16D:
 661                 ir_codes     = RC_MAP_AVERMEDIA_A16D;
 662                 mask_keycode = 0x02F200;
 663                 mask_keydown = 0x000400;
 664                 polling      = 50; /* ms */
 665                 /* GPIO stuff moved to __saa7134_ir_start() */
 666                 break;
 667         case SAA7134_BOARD_KWORLD_TERMINATOR:
 668                 ir_codes     = RC_MAP_PIXELVIEW;
 669                 mask_keycode = 0x00001f;
 670                 mask_keyup   = 0x000060;
 671                 polling      = 50; // ms
 672                 break;
 673         case SAA7134_BOARD_MANLI_MTV001:
 674         case SAA7134_BOARD_MANLI_MTV002:
 675                 ir_codes     = RC_MAP_MANLI;
 676                 mask_keycode = 0x001f00;
 677                 mask_keyup   = 0x004000;
 678                 polling      = 50; /* ms */
 679                 break;
 680         case SAA7134_BOARD_BEHOLD_409FM:
 681         case SAA7134_BOARD_BEHOLD_401:
 682         case SAA7134_BOARD_BEHOLD_403:
 683         case SAA7134_BOARD_BEHOLD_403FM:
 684         case SAA7134_BOARD_BEHOLD_405:
 685         case SAA7134_BOARD_BEHOLD_405FM:
 686         case SAA7134_BOARD_BEHOLD_407:
 687         case SAA7134_BOARD_BEHOLD_407FM:
 688         case SAA7134_BOARD_BEHOLD_409:
 689         case SAA7134_BOARD_BEHOLD_505FM:
 690         case SAA7134_BOARD_BEHOLD_505RDS_MK5:
 691         case SAA7134_BOARD_BEHOLD_505RDS_MK3:
 692         case SAA7134_BOARD_BEHOLD_507_9FM:
 693         case SAA7134_BOARD_BEHOLD_507RDS_MK3:
 694         case SAA7134_BOARD_BEHOLD_507RDS_MK5:
 695                 ir_codes     = RC_MAP_MANLI;
 696                 mask_keycode = 0x003f00;
 697                 mask_keyup   = 0x004000;
 698                 polling      = 50; /* ms */
 699                 break;
 700         case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
 701                 ir_codes     = RC_MAP_BEHOLD_COLUMBUS;
 702                 mask_keycode = 0x003f00;
 703                 mask_keyup   = 0x004000;
 704                 polling      = 50; // ms
 705                 break;
 706         case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
 707                 ir_codes     = RC_MAP_PCTV_SEDNA;
 708                 mask_keycode = 0x001f00;
 709                 mask_keyup   = 0x004000;
 710                 polling      = 50; // ms
 711                 break;
 712         case SAA7134_BOARD_GOTVIEW_7135:
 713                 ir_codes     = RC_MAP_GOTVIEW7135;
 714                 mask_keycode = 0x0003CC;
 715                 mask_keydown = 0x000010;
 716                 polling      = 5; /* ms */
 717                 /* GPIO stuff moved to __saa7134_ir_start() */
 718                 break;
 719         case SAA7134_BOARD_VIDEOMATE_TV_PVR:
 720         case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
 721         case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
 722                 ir_codes     = RC_MAP_VIDEOMATE_TV_PVR;
 723                 mask_keycode = 0x00003F;
 724                 mask_keyup   = 0x400000;
 725                 polling      = 50; // ms
 726                 break;
 727         case SAA7134_BOARD_PROTEUS_2309:
 728                 ir_codes     = RC_MAP_PROTEUS_2309;
 729                 mask_keycode = 0x00007F;
 730                 mask_keyup   = 0x000080;
 731                 polling      = 50; // ms
 732                 break;
 733         case SAA7134_BOARD_VIDEOMATE_DVBT_300:
 734         case SAA7134_BOARD_VIDEOMATE_DVBT_200:
 735                 ir_codes     = RC_MAP_VIDEOMATE_TV_PVR;
 736                 mask_keycode = 0x003F00;
 737                 mask_keyup   = 0x040000;
 738                 break;
 739         case SAA7134_BOARD_FLYDVBS_LR300:
 740         case SAA7134_BOARD_FLYDVBT_LR301:
 741         case SAA7134_BOARD_FLYDVBTDUO:
 742                 ir_codes     = RC_MAP_FLYDVB;
 743                 mask_keycode = 0x0001F00;
 744                 mask_keydown = 0x0040000;
 745                 break;
 746         case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
 747         case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
 748         case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
 749                 ir_codes     = RC_MAP_ASUS_PC39;
 750                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 751                 mask_keyup   = 0x0040000;
 752                 mask_keycode = 0xffff;
 753                 raw_decode   = true;
 754                 break;
 755         case SAA7134_BOARD_ASUSTeK_PS3_100:
 756                 ir_codes     = RC_MAP_ASUS_PS3_100;
 757                 mask_keydown = 0x0040000;
 758                 mask_keyup   = 0x0040000;
 759                 mask_keycode = 0xffff;
 760                 raw_decode   = true;
 761                 break;
 762         case SAA7134_BOARD_ENCORE_ENLTV:
 763         case SAA7134_BOARD_ENCORE_ENLTV_FM:
 764                 ir_codes     = RC_MAP_ENCORE_ENLTV;
 765                 mask_keycode = 0x00007f;
 766                 mask_keyup   = 0x040000;
 767                 polling      = 50; // ms
 768                 break;
 769         case SAA7134_BOARD_ENCORE_ENLTV_FM53:
 770         case SAA7134_BOARD_ENCORE_ENLTV_FM3:
 771                 ir_codes     = RC_MAP_ENCORE_ENLTV_FM53;
 772                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 773                 mask_keyup   = 0x0040000;
 774                 mask_keycode = 0xffff;
 775                 raw_decode   = true;
 776                 break;
 777         case SAA7134_BOARD_10MOONSTVMASTER3:
 778                 ir_codes     = RC_MAP_ENCORE_ENLTV;
 779                 mask_keycode = 0x5f80000;
 780                 mask_keyup   = 0x8000000;
 781                 polling      = 50; //ms
 782                 break;
 783         case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
 784                 ir_codes     = RC_MAP_GENIUS_TVGO_A11MCE;
 785                 mask_keycode = 0xff;
 786                 mask_keydown = 0xf00000;
 787                 polling = 50; /* ms */
 788                 break;
 789         case SAA7134_BOARD_REAL_ANGEL_220:
 790                 ir_codes     = RC_MAP_REAL_AUDIO_220_32_KEYS;
 791                 mask_keycode = 0x3f00;
 792                 mask_keyup   = 0x4000;
 793                 polling = 50; /* ms */
 794                 break;
 795         case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
 796                 ir_codes     = RC_MAP_KWORLD_PLUS_TV_ANALOG;
 797                 mask_keycode = 0x7f;
 798                 polling = 40; /* ms */
 799                 break;
 800         case SAA7134_BOARD_VIDEOMATE_S350:
 801                 ir_codes     = RC_MAP_VIDEOMATE_S350;
 802                 mask_keycode = 0x003f00;
 803                 mask_keydown = 0x040000;
 804                 break;
 805         case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
 806                 ir_codes     = RC_MAP_WINFAST;
 807                 mask_keycode = 0x5f00;
 808                 mask_keyup   = 0x020000;
 809                 polling      = 50; /* ms */
 810                 break;
 811         case SAA7134_BOARD_VIDEOMATE_M1F:
 812                 ir_codes     = RC_MAP_VIDEOMATE_K100;
 813                 mask_keycode = 0x0ff00;
 814                 mask_keyup   = 0x040000;
 815                 break;
 816         case SAA7134_BOARD_HAUPPAUGE_HVR1150:
 817         case SAA7134_BOARD_HAUPPAUGE_HVR1120:
 818                 ir_codes     = RC_MAP_HAUPPAUGE;
 819                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 820                 mask_keyup   = 0x0040000;
 821                 mask_keycode = 0xffff;
 822                 raw_decode   = true;
 823                 break;
 824         case SAA7134_BOARD_LEADTEK_WINFAST_TV2100_FM:
 825                 ir_codes     = RC_MAP_LEADTEK_Y04G0051;
 826                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 827                 mask_keyup   = 0x0040000;
 828                 mask_keycode = 0xffff;
 829                 raw_decode   = true;
 830                 break;
 831         }
 832         if (NULL == ir_codes) {
 833                 pr_err("Oops: IR config error [card=%d]\n", dev->board);
 834                 return -ENODEV;
 835         }
 836
 837         ir = kzalloc(sizeof(*ir), GFP_KERNEL);
 838         rc = rc_allocate_device(RC_DRIVER_SCANCODE);
 839         if (!ir || !rc) {
 840                 err = -ENOMEM;
 841                 goto err_out_free;
 842         }
 843
 844         ir->dev = rc;
 845         dev->remote = ir;
 846
 847         /* init hardware-specific stuff */
 848         ir->mask_keycode = mask_keycode;
 849         ir->mask_keydown = mask_keydown;
 850         ir->mask_keyup   = mask_keyup;
 851         ir->polling      = polling;
 852         ir->raw_decode   = raw_decode;
 853
 854         /* init input device */
 855         snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
 856                  saa7134_boards[dev->board].name);
 857         snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
 858                  pci_name(dev->pci));
 859
 860         rc->priv = dev;
 861         rc->open = saa7134_ir_open;
 862         rc->close = saa7134_ir_close;
 863         if (raw_decode) {
 864                 rc->driver_type = RC_DRIVER_IR_RAW;
 865                 rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
 866         }
 867
 868         rc->device_name = ir->name;
 869         rc->input_phys = ir->phys;
 870         rc->input_id.bustype = BUS_PCI;
 871         rc->input_id.version = 1;
 872         if (dev->pci->subsystem_vendor) {
 873                 rc->input_id.vendor  = dev->pci->subsystem_vendor;
 874                 rc->input_id.product = dev->pci->subsystem_device;
 875         } else {
 876                 rc->input_id.vendor  = dev->pci->vendor;
 877                 rc->input_id.product = dev->pci->device;
 878         }
 879         rc->dev.parent = &dev->pci->dev;
 880         rc->map_name = ir_codes;
 881         rc->driver_name = MODULE_NAME;
 882         rc->min_timeout = 1;
 883         rc->timeout = IR_DEFAULT_TIMEOUT;
 884         rc->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
 885
 886         err = rc_register_device(rc);
 887         if (err)
 888                 goto err_out_free;
 889
 890         return 0;
 891
 892 err_out_free:
 893         rc_free_device(rc);
 894         dev->remote = NULL;
 895         kfree(ir);
 896         return err;
 897 }
 898
 899 void saa7134_input_fini(struct saa7134_dev *dev)
 900 {
 901         if (NULL == dev->remote)
 902                 return;
 903
 904         saa7134_ir_stop(dev);
 905         rc_unregister_device(dev->remote->dev);
 906         kfree(dev->remote);
 907         dev->remote = NULL;
 908 }
 909
 910 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
 911 {
 912         struct i2c_board_info info;
 913         struct i2c_msg msg_msi = {
 914                 .addr = 0x50,
 915                 .flags = I2C_M_RD,
 916                 .len = 0,
 917                 .buf = NULL,
 918         };
 919         int rc;
 920
 921         if (disable_ir) {
 922                 input_dbg("IR has been disabled, not probing for i2c remote\n");
 923                 return;
 924         }
 925
 926         memset(&info, 0, sizeof(struct i2c_board_info));
 927         memset(&dev->init_data, 0, sizeof(dev->init_data));
 928         strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
 929
 930         switch (dev->board) {
 931         case SAA7134_BOARD_PINNACLE_PCTV_110i:
 932         case SAA7134_BOARD_PINNACLE_PCTV_310i:
 933                 dev->init_data.name = "Pinnacle PCTV";
 934                 if (pinnacle_remote == 0) {
 935                         dev->init_data.get_key = get_key_pinnacle_color;
 936                         dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR;
 937                         info.addr = 0x47;
 938                 } else {
 939                         dev->init_data.get_key = get_key_pinnacle_grey;
 940                         dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
 941                         info.addr = 0x47;
 942                 }
 943                 break;
 944         case SAA7134_BOARD_UPMOST_PURPLE_TV:
 945                 dev->init_data.name = "Purple TV";
 946                 dev->init_data.get_key = get_key_purpletv;
 947                 dev->init_data.ir_codes = RC_MAP_PURPLETV;
 948                 info.addr = 0x7a;
 949                 break;
 950         case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
 951                 dev->init_data.name = "MSI TV@nywhere Plus";
 952                 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
 953                 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
 954                 /*
 955                  * MSI TV@nyware Plus requires more frequent polling
 956                  * otherwise it will miss some keypresses
 957                  */
 958                 dev->init_data.polling_interval = 50;
 959                 info.addr = 0x30;
 960                 /* MSI TV@nywhere Plus controller doesn't seem to
 961                    respond to probes unless we read something from
 962                    an existing device. Weird...
 963                    REVISIT: might no longer be needed */
 964                 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
 965                 input_dbg("probe 0x%02x @ %s: %s\n",
 966                         msg_msi.addr, dev->i2c_adap.name,
 967                         (1 == rc) ? "yes" : "no");
 968                 break;
 969         case SAA7134_BOARD_SNAZIO_TVPVR_PRO:
 970                 dev->init_data.name = "SnaZio* TVPVR PRO";
 971                 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
 972                 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
 973                 /*
 974                  * MSI TV@nyware Plus requires more frequent polling
 975                  * otherwise it will miss some keypresses
 976                  */
 977                 dev->init_data.polling_interval = 50;
 978                 info.addr = 0x30;
 979                 /*
 980                  * MSI TV@nywhere Plus controller doesn't seem to
 981                  *  respond to probes unless we read something from
 982                  *  an existing device. Weird...
 983                  * REVISIT: might no longer be needed
 984                  */
 985                 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
 986                 input_dbg("probe 0x%02x @ %s: %s\n",
 987                         msg_msi.addr, dev->i2c_adap.name,
 988                         (rc == 1) ? "yes" : "no");
 989                 break;
 990         case SAA7134_BOARD_KWORLD_PC150U:
 991                 /* copied and modified from MSI TV@nywhere Plus */
 992                 dev->init_data.name = "Kworld PC150-U";
 993                 dev->init_data.get_key = get_key_kworld_pc150u;
 994                 dev->init_data.ir_codes = RC_MAP_KWORLD_PC150U;
 995                 info.addr = 0x30;
 996                 /* MSI TV@nywhere Plus controller doesn't seem to
 997                    respond to probes unless we read something from
 998                    an existing device. Weird...
 999                    REVISIT: might no longer be needed */
1000                 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
1001                 input_dbg("probe 0x%02x @ %s: %s\n",
1002                         msg_msi.addr, dev->i2c_adap.name,
1003                         (1 == rc) ? "yes" : "no");
1004                 break;
1005         case SAA7134_BOARD_HAUPPAUGE_HVR1110:
1006                 dev->init_data.name = "HVR 1110";
1007                 dev->init_data.get_key = get_key_hvr1110;
1008                 dev->init_data.ir_codes = RC_MAP_HAUPPAUGE;
1009                 info.addr = 0x71;
1010                 break;
1011         case SAA7134_BOARD_BEHOLD_607FM_MK3:
1012         case SAA7134_BOARD_BEHOLD_607FM_MK5:
1013         case SAA7134_BOARD_BEHOLD_609FM_MK3:
1014         case SAA7134_BOARD_BEHOLD_609FM_MK5:
1015         case SAA7134_BOARD_BEHOLD_607RDS_MK3:
1016         case SAA7134_BOARD_BEHOLD_607RDS_MK5:
1017         case SAA7134_BOARD_BEHOLD_609RDS_MK3:
1018         case SAA7134_BOARD_BEHOLD_609RDS_MK5:
1019         case SAA7134_BOARD_BEHOLD_M6:
1020         case SAA7134_BOARD_BEHOLD_M63:
1021         case SAA7134_BOARD_BEHOLD_M6_EXTRA:
1022         case SAA7134_BOARD_BEHOLD_H6:
1023         case SAA7134_BOARD_BEHOLD_X7:
1024         case SAA7134_BOARD_BEHOLD_H7:
1025         case SAA7134_BOARD_BEHOLD_A7:
1026                 dev->init_data.name = "BeholdTV";
1027                 dev->init_data.get_key = get_key_beholdm6xx;
1028                 dev->init_data.ir_codes = RC_MAP_BEHOLD;
1029                 dev->init_data.type = RC_PROTO_BIT_NECX;
1030                 info.addr = 0x2d;
1031                 break;
1032         case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
1033         case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
1034                 info.addr = 0x40;
1035                 break;
1036         case SAA7134_BOARD_AVERMEDIA_A706:
1037                 info.addr = 0x41;
1038                 break;
1039         case SAA7134_BOARD_FLYDVB_TRIO:
1040                 dev->init_data.name = "FlyDVB Trio";
1041                 dev->init_data.get_key = get_key_flydvb_trio;
1042                 dev->init_data.ir_codes = RC_MAP_FLYDVB;
1043                 info.addr = 0x0b;
1044                 break;
1045         default:
1046                 input_dbg("No I2C IR support for board %x\n", dev->board);
1047                 return;
1048         }
1049
1050         if (dev->init_data.name)
1051                 info.platform_data = &dev->init_data;
1052         i2c_new_device(&dev->i2c_adap, &info);
1053 }
1054
1055 static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
1056 {
1057         struct saa7134_card_ir *ir = dev->remote;
1058         int space;
1059
1060         /* Generate initial event */
1061         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1062         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1063         space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
1064         ir_raw_event_store_edge(dev->remote->dev, !space);
1065
1066         return 1;
1067 }