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_beholdm6xx(struct IR_i2c *ir, enum rc_proto *protocol,
 303                               u32 *scancode, u8 *toggle)
 304 {
 305         int rc;
 306         unsigned char data[12];
 307         u32 gpio;
 308
 309         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 310
 311         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 312         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 313         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 314
 315         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 316
 317         if (0x400000 & ~gpio)
 318                 return 0; /* No button press */
 319
 320         ir->c->addr = 0x5a >> 1;
 321
 322         rc = i2c_master_recv(ir->c, data, 12);
 323         if (rc != 12) {
 324                 ir_dbg(ir, "read error\n");
 325                 if (rc < 0)
 326                         return rc;
 327                 return -EIO;
 328         }
 329
 330         if (data[9] != (unsigned char)(~data[8]))
 331                 return 0;
 332
 333         *protocol = RC_PROTO_NECX;
 334         *scancode = RC_SCANCODE_NECX(data[11] << 8 | data[10], data[9]);
 335         *toggle = 0;
 336         return 1;
 337 }
 338
 339 /* Common (grey or coloured) pinnacle PCTV remote handling
 340  *
 341  */
 342 static int get_key_pinnacle(struct IR_i2c *ir, enum rc_proto *protocol,
 343                             u32 *scancode, u8 *toggle, int parity_offset,
 344                             int marker, int code_modulo)
 345 {
 346         int rc;
 347         unsigned char b[4];
 348         unsigned int start = 0,parity = 0,code = 0;
 349
 350         /* poll IR chip */
 351         rc = i2c_master_recv(ir->c, b, 4);
 352         if (rc != 4) {
 353                 ir_dbg(ir, "read error\n");
 354                 if (rc < 0)
 355                         return rc;
 356                 return -EIO;
 357         }
 358
 359         for (start = 0; start < ARRAY_SIZE(b); start++) {
 360                 if (b[start] == marker) {
 361                         code=b[(start+parity_offset + 1) % 4];
 362                         parity=b[(start+parity_offset) % 4];
 363                 }
 364         }
 365
 366         /* Empty Request */
 367         if (parity == 0)
 368                 return 0;
 369
 370         /* Repeating... */
 371         if (ir->old == parity)
 372                 return 0;
 373
 374         ir->old = parity;
 375
 376         /* drop special codes when a key is held down a long time for the grey controller
 377            In this case, the second bit of the code is asserted */
 378         if (marker == 0xfe && (code & 0x40))
 379                 return 0;
 380
 381         code %= code_modulo;
 382
 383         *protocol = RC_PROTO_UNKNOWN;
 384         *scancode = code;
 385         *toggle = 0;
 386
 387         ir_dbg(ir, "Pinnacle PCTV key %02x\n", code);
 388         return 1;
 389 }
 390
 391 /* The grey pinnacle PCTV remote
 392  *
 393  *  There are one issue with this remote:
 394  *   - I2c packet does not change when the same key is pressed quickly. The workaround
 395  *     is to hold down each key for about half a second, so that another code is generated
 396  *     in the i2c packet, and the function can distinguish key presses.
 397  *
 398  * Sylvain Pasche <sylvain.pasche@gmail.com>
 399  */
 400 static int get_key_pinnacle_grey(struct IR_i2c *ir, enum rc_proto *protocol,
 401                                  u32 *scancode, u8 *toggle)
 402 {
 403
 404         return get_key_pinnacle(ir, protocol, scancode, toggle, 1, 0xfe, 0xff);
 405 }
 406
 407
 408 /* The new pinnacle PCTV remote (with the colored buttons)
 409  *
 410  * Ricardo Cerqueira <v4l@cerqueira.org>
 411  */
 412 static int get_key_pinnacle_color(struct IR_i2c *ir, enum rc_proto *protocol,
 413                                   u32 *scancode, u8 *toggle)
 414 {
 415         /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
 416          *
 417          * this is the only value that results in 42 unique
 418          * codes < 128
 419          */
 420
 421         return get_key_pinnacle(ir, protocol, scancode, toggle, 2, 0x80, 0x88);
 422 }
 423
 424 void saa7134_input_irq(struct saa7134_dev *dev)
 425 {
 426         struct saa7134_card_ir *ir;
 427
 428         if (!dev || !dev->remote)
 429                 return;
 430
 431         ir = dev->remote;
 432         if (!ir->running)
 433                 return;
 434
 435         if (!ir->polling && !ir->raw_decode) {
 436                 build_key(dev);
 437         } else if (ir->raw_decode) {
 438                 saa7134_raw_decode_irq(dev);
 439         }
 440 }
 441
 442 static void saa7134_input_timer(struct timer_list *t)
 443 {
 444         struct saa7134_card_ir *ir = from_timer(ir, t, timer);
 445         struct saa7134_dev *dev = ir->dev->priv;
 446
 447         build_key(dev);
 448         mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
 449 }
 450
 451 int saa7134_ir_open(struct rc_dev *rc)
 452 {
 453         struct saa7134_dev *dev = rc->priv;
 454         struct saa7134_card_ir *ir = dev->remote;
 455
 456         /* Moved here from saa7134_input_init1() because the latter
 457          * is not called on device resume */
 458         switch (dev->board) {
 459         case SAA7134_BOARD_MD2819:
 460         case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
 461         case SAA7134_BOARD_AVERMEDIA_305:
 462         case SAA7134_BOARD_AVERMEDIA_307:
 463         case SAA7134_BOARD_AVERMEDIA_505:
 464         case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
 465         case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
 466         case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
 467         case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
 468         case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
 469         case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
 470         case SAA7134_BOARD_AVERMEDIA_M102:
 471         case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
 472                 /* Without this we won't receive key up events */
 473                 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
 474                 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
 475                 break;
 476         case SAA7134_BOARD_AVERMEDIA_777:
 477         case SAA7134_BOARD_AVERMEDIA_A16AR:
 478                 /* Without this we won't receive key up events */
 479                 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
 480                 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
 481                 break;
 482         case SAA7134_BOARD_AVERMEDIA_A16D:
 483                 /* Without this we won't receive key up events */
 484                 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
 485                 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
 486                 break;
 487         case SAA7134_BOARD_GOTVIEW_7135:
 488                 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
 489                 break;
 490         }
 491
 492         ir->running = true;
 493
 494         if (ir->polling) {
 495                 timer_setup(&ir->timer, saa7134_input_timer, 0);
 496                 ir->timer.expires = jiffies + HZ;
 497                 add_timer(&ir->timer);
 498         }
 499
 500         return 0;
 501 }
 502
 503 void saa7134_ir_close(struct rc_dev *rc)
 504 {
 505         struct saa7134_dev *dev = rc->priv;
 506         struct saa7134_card_ir *ir = dev->remote;
 507
 508         if (ir->polling)
 509                 del_timer_sync(&ir->timer);
 510
 511         ir->running = false;
 512 }
 513
 514 int saa7134_input_init1(struct saa7134_dev *dev)
 515 {
 516         struct saa7134_card_ir *ir;
 517         struct rc_dev *rc;
 518         char *ir_codes = NULL;
 519         u32 mask_keycode = 0;
 520         u32 mask_keydown = 0;
 521         u32 mask_keyup   = 0;
 522         unsigned polling = 0;
 523         bool raw_decode  = false;
 524         int err;
 525
 526         if (dev->has_remote != SAA7134_REMOTE_GPIO)
 527                 return -ENODEV;
 528         if (disable_ir)
 529                 return -ENODEV;
 530
 531         /* detect & configure */
 532         switch (dev->board) {
 533         case SAA7134_BOARD_FLYVIDEO2000:
 534         case SAA7134_BOARD_FLYVIDEO3000:
 535         case SAA7134_BOARD_FLYTVPLATINUM_FM:
 536         case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
 537         case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
 538                 ir_codes     = RC_MAP_FLYVIDEO;
 539                 mask_keycode = 0xEC00000;
 540                 mask_keydown = 0x0040000;
 541                 break;
 542         case SAA7134_BOARD_CINERGY400:
 543         case SAA7134_BOARD_CINERGY600:
 544         case SAA7134_BOARD_CINERGY600_MK3:
 545                 ir_codes     = RC_MAP_CINERGY;
 546                 mask_keycode = 0x00003f;
 547                 mask_keyup   = 0x040000;
 548                 break;
 549         case SAA7134_BOARD_ECS_TVP3XP:
 550         case SAA7134_BOARD_ECS_TVP3XP_4CB5:
 551                 ir_codes     = RC_MAP_EZTV;
 552                 mask_keycode = 0x00017c;
 553                 mask_keyup   = 0x000002;
 554                 polling      = 50; // ms
 555                 break;
 556         case SAA7134_BOARD_KWORLD_XPERT:
 557         case SAA7134_BOARD_AVACSSMARTTV:
 558                 ir_codes     = RC_MAP_PIXELVIEW;
 559                 mask_keycode = 0x00001F;
 560                 mask_keyup   = 0x000020;
 561                 polling      = 50; // ms
 562                 break;
 563         case SAA7134_BOARD_MD2819:
 564         case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
 565         case SAA7134_BOARD_AVERMEDIA_305:
 566         case SAA7134_BOARD_AVERMEDIA_307:
 567         case SAA7134_BOARD_AVERMEDIA_505:
 568         case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
 569         case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
 570         case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
 571         case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
 572         case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
 573         case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
 574         case SAA7134_BOARD_AVERMEDIA_M102:
 575         case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
 576                 ir_codes     = RC_MAP_AVERMEDIA;
 577                 mask_keycode = 0x0007C8;
 578                 mask_keydown = 0x000010;
 579                 polling      = 50; // ms
 580                 /* GPIO stuff moved to saa7134_ir_open() */
 581                 break;
 582         case SAA7134_BOARD_AVERMEDIA_M135A:
 583                 ir_codes     = RC_MAP_AVERMEDIA_M135A;
 584                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 585                 mask_keyup   = 0x0040000;
 586                 mask_keycode = 0xffff;
 587                 raw_decode   = true;
 588                 break;
 589         case SAA7134_BOARD_AVERMEDIA_M733A:
 590                 ir_codes     = RC_MAP_AVERMEDIA_M733A_RM_K6;
 591                 mask_keydown = 0x0040000;
 592                 mask_keyup   = 0x0040000;
 593                 mask_keycode = 0xffff;
 594                 raw_decode   = true;
 595                 break;
 596         case SAA7134_BOARD_AVERMEDIA_777:
 597         case SAA7134_BOARD_AVERMEDIA_A16AR:
 598                 ir_codes     = RC_MAP_AVERMEDIA;
 599                 mask_keycode = 0x02F200;
 600                 mask_keydown = 0x000400;
 601                 polling      = 50; // ms
 602                 /* GPIO stuff moved to saa7134_ir_open() */
 603                 break;
 604         case SAA7134_BOARD_AVERMEDIA_A16D:
 605                 ir_codes     = RC_MAP_AVERMEDIA_A16D;
 606                 mask_keycode = 0x02F200;
 607                 mask_keydown = 0x000400;
 608                 polling      = 50; /* ms */
 609                 /* GPIO stuff moved to saa7134_ir_open() */
 610                 break;
 611         case SAA7134_BOARD_KWORLD_TERMINATOR:
 612                 ir_codes     = RC_MAP_PIXELVIEW;
 613                 mask_keycode = 0x00001f;
 614                 mask_keyup   = 0x000060;
 615                 polling      = 50; // ms
 616                 break;
 617         case SAA7134_BOARD_MANLI_MTV001:
 618         case SAA7134_BOARD_MANLI_MTV002:
 619                 ir_codes     = RC_MAP_MANLI;
 620                 mask_keycode = 0x001f00;
 621                 mask_keyup   = 0x004000;
 622                 polling      = 50; /* ms */
 623                 break;
 624         case SAA7134_BOARD_BEHOLD_409FM:
 625         case SAA7134_BOARD_BEHOLD_401:
 626         case SAA7134_BOARD_BEHOLD_403:
 627         case SAA7134_BOARD_BEHOLD_403FM:
 628         case SAA7134_BOARD_BEHOLD_405:
 629         case SAA7134_BOARD_BEHOLD_405FM:
 630         case SAA7134_BOARD_BEHOLD_407:
 631         case SAA7134_BOARD_BEHOLD_407FM:
 632         case SAA7134_BOARD_BEHOLD_409:
 633         case SAA7134_BOARD_BEHOLD_505FM:
 634         case SAA7134_BOARD_BEHOLD_505RDS_MK5:
 635         case SAA7134_BOARD_BEHOLD_505RDS_MK3:
 636         case SAA7134_BOARD_BEHOLD_507_9FM:
 637         case SAA7134_BOARD_BEHOLD_507RDS_MK3:
 638         case SAA7134_BOARD_BEHOLD_507RDS_MK5:
 639                 ir_codes     = RC_MAP_MANLI;
 640                 mask_keycode = 0x003f00;
 641                 mask_keyup   = 0x004000;
 642                 polling      = 50; /* ms */
 643                 break;
 644         case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
 645                 ir_codes     = RC_MAP_BEHOLD_COLUMBUS;
 646                 mask_keycode = 0x003f00;
 647                 mask_keyup   = 0x004000;
 648                 polling      = 50; // ms
 649                 break;
 650         case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
 651                 ir_codes     = RC_MAP_PCTV_SEDNA;
 652                 mask_keycode = 0x001f00;
 653                 mask_keyup   = 0x004000;
 654                 polling      = 50; // ms
 655                 break;
 656         case SAA7134_BOARD_GOTVIEW_7135:
 657                 ir_codes     = RC_MAP_GOTVIEW7135;
 658                 mask_keycode = 0x0003CC;
 659                 mask_keydown = 0x000010;
 660                 polling      = 5; /* ms */
 661                 /* GPIO stuff moved to saa7134_ir_open() */
 662                 break;
 663         case SAA7134_BOARD_VIDEOMATE_TV_PVR:
 664         case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
 665         case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
 666                 ir_codes     = RC_MAP_VIDEOMATE_TV_PVR;
 667                 mask_keycode = 0x00003F;
 668                 mask_keyup   = 0x400000;
 669                 polling      = 50; // ms
 670                 break;
 671         case SAA7134_BOARD_PROTEUS_2309:
 672                 ir_codes     = RC_MAP_PROTEUS_2309;
 673                 mask_keycode = 0x00007F;
 674                 mask_keyup   = 0x000080;
 675                 polling      = 50; // ms
 676                 break;
 677         case SAA7134_BOARD_VIDEOMATE_DVBT_300:
 678         case SAA7134_BOARD_VIDEOMATE_DVBT_200:
 679                 ir_codes     = RC_MAP_VIDEOMATE_TV_PVR;
 680                 mask_keycode = 0x003F00;
 681                 mask_keyup   = 0x040000;
 682                 break;
 683         case SAA7134_BOARD_FLYDVBS_LR300:
 684         case SAA7134_BOARD_FLYDVBT_LR301:
 685         case SAA7134_BOARD_FLYDVBTDUO:
 686                 ir_codes     = RC_MAP_FLYDVB;
 687                 mask_keycode = 0x0001F00;
 688                 mask_keydown = 0x0040000;
 689                 break;
 690         case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
 691         case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
 692         case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
 693                 ir_codes     = RC_MAP_ASUS_PC39;
 694                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 695                 mask_keyup   = 0x0040000;
 696                 mask_keycode = 0xffff;
 697                 raw_decode   = true;
 698                 break;
 699         case SAA7134_BOARD_ASUSTeK_PS3_100:
 700                 ir_codes     = RC_MAP_ASUS_PS3_100;
 701                 mask_keydown = 0x0040000;
 702                 mask_keyup   = 0x0040000;
 703                 mask_keycode = 0xffff;
 704                 raw_decode   = true;
 705                 break;
 706         case SAA7134_BOARD_ENCORE_ENLTV:
 707         case SAA7134_BOARD_ENCORE_ENLTV_FM:
 708                 ir_codes     = RC_MAP_ENCORE_ENLTV;
 709                 mask_keycode = 0x00007f;
 710                 mask_keyup   = 0x040000;
 711                 polling      = 50; // ms
 712                 break;
 713         case SAA7134_BOARD_ENCORE_ENLTV_FM53:
 714         case SAA7134_BOARD_ENCORE_ENLTV_FM3:
 715                 ir_codes     = RC_MAP_ENCORE_ENLTV_FM53;
 716                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 717                 mask_keyup   = 0x0040000;
 718                 mask_keycode = 0xffff;
 719                 raw_decode   = true;
 720                 break;
 721         case SAA7134_BOARD_10MOONSTVMASTER3:
 722                 ir_codes     = RC_MAP_ENCORE_ENLTV;
 723                 mask_keycode = 0x5f80000;
 724                 mask_keyup   = 0x8000000;
 725                 polling      = 50; //ms
 726                 break;
 727         case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
 728                 ir_codes     = RC_MAP_GENIUS_TVGO_A11MCE;
 729                 mask_keycode = 0xff;
 730                 mask_keydown = 0xf00000;
 731                 polling = 50; /* ms */
 732                 break;
 733         case SAA7134_BOARD_REAL_ANGEL_220:
 734                 ir_codes     = RC_MAP_REAL_AUDIO_220_32_KEYS;
 735                 mask_keycode = 0x3f00;
 736                 mask_keyup   = 0x4000;
 737                 polling = 50; /* ms */
 738                 break;
 739         case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
 740                 ir_codes     = RC_MAP_KWORLD_PLUS_TV_ANALOG;
 741                 mask_keycode = 0x7f;
 742                 polling = 40; /* ms */
 743                 break;
 744         case SAA7134_BOARD_VIDEOMATE_S350:
 745                 ir_codes     = RC_MAP_VIDEOMATE_S350;
 746                 mask_keycode = 0x003f00;
 747                 mask_keydown = 0x040000;
 748                 break;
 749         case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
 750                 ir_codes     = RC_MAP_WINFAST;
 751                 mask_keycode = 0x5f00;
 752                 mask_keyup   = 0x020000;
 753                 polling      = 50; /* ms */
 754                 break;
 755         case SAA7134_BOARD_VIDEOMATE_M1F:
 756                 ir_codes     = RC_MAP_VIDEOMATE_K100;
 757                 mask_keycode = 0x0ff00;
 758                 mask_keyup   = 0x040000;
 759                 break;
 760         case SAA7134_BOARD_HAUPPAUGE_HVR1150:
 761         case SAA7134_BOARD_HAUPPAUGE_HVR1120:
 762                 ir_codes     = RC_MAP_HAUPPAUGE;
 763                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 764                 mask_keyup   = 0x0040000;
 765                 mask_keycode = 0xffff;
 766                 raw_decode   = true;
 767                 break;
 768         case SAA7134_BOARD_LEADTEK_WINFAST_TV2100_FM:
 769                 ir_codes     = RC_MAP_LEADTEK_Y04G0051;
 770                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 771                 mask_keyup   = 0x0040000;
 772                 mask_keycode = 0xffff;
 773                 raw_decode   = true;
 774                 break;
 775         }
 776         if (NULL == ir_codes) {
 777                 pr_err("Oops: IR config error [card=%d]\n", dev->board);
 778                 return -ENODEV;
 779         }
 780
 781         ir = kzalloc(sizeof(*ir), GFP_KERNEL);
 782         rc = rc_allocate_device(RC_DRIVER_SCANCODE);
 783         if (!ir || !rc) {
 784                 err = -ENOMEM;
 785                 goto err_out_free;
 786         }
 787
 788         ir->dev = rc;
 789         dev->remote = ir;
 790
 791         /* init hardware-specific stuff */
 792         ir->mask_keycode = mask_keycode;
 793         ir->mask_keydown = mask_keydown;
 794         ir->mask_keyup   = mask_keyup;
 795         ir->polling      = polling;
 796         ir->raw_decode   = raw_decode;
 797
 798         /* init input device */
 799         snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
 800                  pci_name(dev->pci));
 801
 802         rc->priv = dev;
 803         rc->open = saa7134_ir_open;
 804         rc->close = saa7134_ir_close;
 805         if (raw_decode) {
 806                 rc->driver_type = RC_DRIVER_IR_RAW;
 807                 rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
 808         }
 809
 810         rc->device_name = saa7134_boards[dev->board].name;
 811         rc->input_phys = ir->phys;
 812         rc->input_id.bustype = BUS_PCI;
 813         rc->input_id.version = 1;
 814         if (dev->pci->subsystem_vendor) {
 815                 rc->input_id.vendor  = dev->pci->subsystem_vendor;
 816                 rc->input_id.product = dev->pci->subsystem_device;
 817         } else {
 818                 rc->input_id.vendor  = dev->pci->vendor;
 819                 rc->input_id.product = dev->pci->device;
 820         }
 821         rc->dev.parent = &dev->pci->dev;
 822         rc->map_name = ir_codes;
 823         rc->driver_name = MODULE_NAME;
 824         rc->min_timeout = 1;
 825         rc->timeout = IR_DEFAULT_TIMEOUT;
 826         rc->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
 827
 828         err = rc_register_device(rc);
 829         if (err)
 830                 goto err_out_free;
 831
 832         return 0;
 833
 834 err_out_free:
 835         rc_free_device(rc);
 836         dev->remote = NULL;
 837         kfree(ir);
 838         return err;
 839 }
 840
 841 void saa7134_input_fini(struct saa7134_dev *dev)
 842 {
 843         if (NULL == dev->remote)
 844                 return;
 845
 846         rc_unregister_device(dev->remote->dev);
 847         kfree(dev->remote);
 848         dev->remote = NULL;
 849 }
 850
 851 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
 852 {
 853         struct i2c_board_info info;
 854         struct i2c_msg msg_msi = {
 855                 .addr = 0x50,
 856                 .flags = I2C_M_RD,
 857                 .len = 0,
 858                 .buf = NULL,
 859         };
 860         int rc;
 861
 862         if (disable_ir) {
 863                 input_dbg("IR has been disabled, not probing for i2c remote\n");
 864                 return;
 865         }
 866
 867         memset(&info, 0, sizeof(struct i2c_board_info));
 868         memset(&dev->init_data, 0, sizeof(dev->init_data));
 869         strscpy(info.type, "ir_video", I2C_NAME_SIZE);
 870
 871         switch (dev->board) {
 872         case SAA7134_BOARD_PINNACLE_PCTV_110i:
 873         case SAA7134_BOARD_PINNACLE_PCTV_310i:
 874                 dev->init_data.name = "Pinnacle PCTV";
 875                 if (pinnacle_remote == 0) {
 876                         dev->init_data.get_key = get_key_pinnacle_color;
 877                         dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR;
 878                         info.addr = 0x47;
 879                 } else {
 880                         dev->init_data.get_key = get_key_pinnacle_grey;
 881                         dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
 882                         info.addr = 0x47;
 883                 }
 884                 break;
 885         case SAA7134_BOARD_UPMOST_PURPLE_TV:
 886                 dev->init_data.name = "Purple TV";
 887                 dev->init_data.get_key = get_key_purpletv;
 888                 dev->init_data.ir_codes = RC_MAP_PURPLETV;
 889                 info.addr = 0x7a;
 890                 break;
 891         case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
 892                 dev->init_data.name = "MSI TV@nywhere Plus";
 893                 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
 894                 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
 895                 /*
 896                  * MSI TV@nyware Plus requires more frequent polling
 897                  * otherwise it will miss some keypresses
 898                  */
 899                 dev->init_data.polling_interval = 50;
 900                 info.addr = 0x30;
 901                 /* MSI TV@nywhere Plus controller doesn't seem to
 902                    respond to probes unless we read something from
 903                    an existing device. Weird...
 904                    REVISIT: might no longer be needed */
 905                 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
 906                 input_dbg("probe 0x%02x @ %s: %s\n",
 907                         msg_msi.addr, dev->i2c_adap.name,
 908                         (1 == rc) ? "yes" : "no");
 909                 break;
 910         case SAA7134_BOARD_SNAZIO_TVPVR_PRO:
 911                 dev->init_data.name = "SnaZio* TVPVR PRO";
 912                 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
 913                 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
 914                 /*
 915                  * MSI TV@nyware Plus requires more frequent polling
 916                  * otherwise it will miss some keypresses
 917                  */
 918                 dev->init_data.polling_interval = 50;
 919                 info.addr = 0x30;
 920                 /*
 921                  * MSI TV@nywhere Plus controller doesn't seem to
 922                  *  respond to probes unless we read something from
 923                  *  an existing device. Weird...
 924                  * REVISIT: might no longer be needed
 925                  */
 926                 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
 927                 input_dbg("probe 0x%02x @ %s: %s\n",
 928                         msg_msi.addr, dev->i2c_adap.name,
 929                         (rc == 1) ? "yes" : "no");
 930                 break;
 931         case SAA7134_BOARD_KWORLD_PC150U:
 932                 /* copied and modified from MSI TV@nywhere Plus */
 933                 dev->init_data.name = "Kworld PC150-U";
 934                 dev->init_data.get_key = get_key_kworld_pc150u;
 935                 dev->init_data.ir_codes = RC_MAP_KWORLD_PC150U;
 936                 info.addr = 0x30;
 937                 /* MSI TV@nywhere Plus controller doesn't seem to
 938                    respond to probes unless we read something from
 939                    an existing device. Weird...
 940                    REVISIT: might no longer be needed */
 941                 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
 942                 input_dbg("probe 0x%02x @ %s: %s\n",
 943                         msg_msi.addr, dev->i2c_adap.name,
 944                         (1 == rc) ? "yes" : "no");
 945                 break;
 946         case SAA7134_BOARD_HAUPPAUGE_HVR1110:
 947                 dev->init_data.name = saa7134_boards[dev->board].name;
 948                 dev->init_data.ir_codes = RC_MAP_HAUPPAUGE;
 949                 dev->init_data.type = RC_PROTO_BIT_RC5 |
 950                                 RC_PROTO_BIT_RC6_MCE | RC_PROTO_BIT_RC6_6A_32;
 951                 dev->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR;
 952                 info.addr = 0x71;
 953                 break;
 954         case SAA7134_BOARD_BEHOLD_607FM_MK3:
 955         case SAA7134_BOARD_BEHOLD_607FM_MK5:
 956         case SAA7134_BOARD_BEHOLD_609FM_MK3:
 957         case SAA7134_BOARD_BEHOLD_609FM_MK5:
 958         case SAA7134_BOARD_BEHOLD_607RDS_MK3:
 959         case SAA7134_BOARD_BEHOLD_607RDS_MK5:
 960         case SAA7134_BOARD_BEHOLD_609RDS_MK3:
 961         case SAA7134_BOARD_BEHOLD_609RDS_MK5:
 962         case SAA7134_BOARD_BEHOLD_M6:
 963         case SAA7134_BOARD_BEHOLD_M63:
 964         case SAA7134_BOARD_BEHOLD_M6_EXTRA:
 965         case SAA7134_BOARD_BEHOLD_H6:
 966         case SAA7134_BOARD_BEHOLD_X7:
 967         case SAA7134_BOARD_BEHOLD_H7:
 968         case SAA7134_BOARD_BEHOLD_A7:
 969                 dev->init_data.name = "BeholdTV";
 970                 dev->init_data.get_key = get_key_beholdm6xx;
 971                 dev->init_data.ir_codes = RC_MAP_BEHOLD;
 972                 dev->init_data.type = RC_PROTO_BIT_NECX;
 973                 info.addr = 0x2d;
 974                 break;
 975         case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
 976         case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
 977                 info.addr = 0x40;
 978                 break;
 979         case SAA7134_BOARD_AVERMEDIA_A706:
 980                 info.addr = 0x41;
 981                 break;
 982         case SAA7134_BOARD_FLYDVB_TRIO:
 983                 dev->init_data.name = "FlyDVB Trio";
 984                 dev->init_data.get_key = get_key_flydvb_trio;
 985                 dev->init_data.ir_codes = RC_MAP_FLYDVB;
 986                 info.addr = 0x0b;
 987                 break;
 988         default:
 989                 input_dbg("No I2C IR support for board %x\n", dev->board);
 990                 return;
 991         }
 992
 993         if (dev->init_data.name)
 994                 info.platform_data = &dev->init_data;
 995         i2c_new_device(&dev->i2c_adap, &info);
 996 }
 997
 998 static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
 999 {
1000         struct saa7134_card_ir *ir = dev->remote;
1001         int space;
1002
1003         /* Generate initial event */
1004         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1005         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1006         space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
1007         ir_raw_event_store_edge(dev->remote->dev, !space);
1008
1009         return 1;
1010 }