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

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This source file includes following definitions.
build_key
get_key_flydvb_trio
get_key_msi_tvanywhere_plus
get_key_kworld_pc150u
get_key_purpletv
get_key_beholdm6xx
get_key_pinnacle
get_key_pinnacle_grey
get_key_pinnacle_color
saa7134_input_irq
saa7134_input_timer
saa7134_ir_open
saa7134_ir_close
saa7134_input_init1
saa7134_input_fini
saa7134_probe_i2c_ir
saa7134_raw_decode_irq
   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *
   4  * handle saa7134 IR remotes via linux kernel input layer.
   5  */
   6 
   7 #include "saa7134.h"
   8 #include "saa7134-reg.h"
   9 
  10 #include <linux/module.h>
  11 #include <linux/init.h>
  12 #include <linux/delay.h>
  13 #include <linux/interrupt.h>
  14 #include <linux/slab.h>
  15 
  16 #define MODULE_NAME "saa7134"
  17 
  18 static unsigned int disable_ir;
  19 module_param(disable_ir, int, 0444);
  20 MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
  21 
  22 static unsigned int ir_debug;
  23 module_param(ir_debug, int, 0644);
  24 MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
  25 
  26 static int pinnacle_remote;
  27 module_param(pinnacle_remote, int, 0644);    /* Choose Pinnacle PCTV remote */
  28 MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
  29 
  30 #define input_dbg(fmt, arg...) do { \
  31         if (ir_debug) \
  32                 printk(KERN_DEBUG pr_fmt("input: " fmt), ## arg); \
  33         } while (0)
  34 #define ir_dbg(ir, fmt, arg...) do { \
  35         if (ir_debug) \
  36                 printk(KERN_DEBUG pr_fmt("ir %s: " fmt), ir->rc->device_name, \
  37                        ## arg); \
  38         } while (0)
  39 
  40 /* Helper function for raw decoding at GPIO16 or GPIO18 */
  41 static int saa7134_raw_decode_irq(struct saa7134_dev *dev);
  42 
  43 /* -------------------- GPIO generic keycode builder -------------------- */
  44 
  45 static int build_key(struct saa7134_dev *dev)
  46 {
  47         struct saa7134_card_ir *ir = dev->remote;
  48         u32 gpio, data;
  49 
  50         /* here comes the additional handshake steps for some cards */
  51         switch (dev->board) {
  52         case SAA7134_BOARD_GOTVIEW_7135:
  53                 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80);
  54                 saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80);
  55                 break;
  56         }
  57         /* rising SAA7134_GPIO_GPRESCAN reads the status */
  58         saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
  59         saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
  60 
  61         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
  62         if (ir->polling) {
  63                 if (ir->last_gpio == gpio)
  64                         return 0;
  65                 ir->last_gpio = gpio;
  66         }
  67 
  68         data = ir_extract_bits(gpio, ir->mask_keycode);
  69         input_dbg("build_key gpio=0x%x mask=0x%x data=%d\n",
  70                 gpio, ir->mask_keycode, data);
  71 
  72         switch (dev->board) {
  73         case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
  74                 if (data == ir->mask_keycode)
  75                         rc_keyup(ir->dev);
  76                 else
  77                         rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
  78                                              0);
  79                 return 0;
  80         }
  81 
  82         if (ir->polling) {
  83                 if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||
  84                     (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {
  85                         rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
  86                                              0);
  87                 } else {
  88                         rc_keyup(ir->dev);
  89                 }
  90         }
  91         else {  /* IRQ driven mode - handle key press and release in one go */
  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                         rc_keyup(ir->dev);
  97                 }
  98         }
  99 
 100         return 0;
 101 }
 102 
 103 /* --------------------- Chip specific I2C key builders ----------------- */
 104 
 105 static int get_key_flydvb_trio(struct IR_i2c *ir, enum rc_proto *protocol,
 106                                u32 *scancode, u8 *toggle)
 107 {
 108         int gpio, rc;
 109         int attempt = 0;
 110         unsigned char b;
 111 
 112         /* We need this to access GPI Used by the saa_readl macro. */
 113         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 114 
 115         if (dev == NULL) {
 116                 ir_dbg(ir, "get_key_flydvb_trio: ir->c->adapter->algo_data is NULL!\n");
 117                 return -EIO;
 118         }
 119 
 120         /* rising SAA7134_GPIGPRESCAN reads the status */
 121         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 122         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 123 
 124         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 125 
 126         if (0x40000 & ~gpio)
 127                 return 0; /* No button press */
 128 
 129         /* poll IR chip */
 130         /* weak up the IR chip */
 131         b = 0;
 132 
 133         while (1 != i2c_master_send(ir->c, &b, 1)) {
 134                 if ((attempt++) < 10) {
 135                         /*
 136                          * wait a bit for next attempt -
 137                          * I don't know how make it better
 138                          */
 139                         msleep(10);
 140                         continue;
 141                 }
 142                 ir_dbg(ir, "send wake up byte to pic16C505 (IR chip)failed %dx\n",
 143                        attempt);
 144                 return -EIO;
 145         }
 146         rc = i2c_master_recv(ir->c, &b, 1);
 147         if (rc != 1) {
 148                 ir_dbg(ir, "read error\n");
 149                 if (rc < 0)
 150                         return rc;
 151                 return -EIO;
 152         }
 153 
 154         *protocol = RC_PROTO_UNKNOWN;
 155         *scancode = b;
 156         *toggle = 0;
 157         return 1;
 158 }
 159 
 160 static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir,
 161                                        enum rc_proto *protocol,
 162                                        u32 *scancode, u8 *toggle)
 163 {
 164         unsigned char b;
 165         int gpio, rc;
 166 
 167         /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
 168         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 169         if (dev == NULL) {
 170                 ir_dbg(ir, "get_key_msi_tvanywhere_plus: ir->c->adapter->algo_data is NULL!\n");
 171                 return -EIO;
 172         }
 173 
 174         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 175 
 176         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 177         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 178 
 179         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 180 
 181         /* GPIO&0x40 is pulsed low when a button is pressed. Don't do
 182            I2C receive if gpio&0x40 is not low. */
 183 
 184         if (gpio & 0x40)
 185                 return 0;       /* No button press */
 186 
 187         /* GPIO says there is a button press. Get it. */
 188 
 189         rc = i2c_master_recv(ir->c, &b, 1);
 190         if (rc != 1) {
 191                 ir_dbg(ir, "read error\n");
 192                 if (rc < 0)
 193                         return rc;
 194                 return -EIO;
 195         }
 196 
 197         /* No button press */
 198 
 199         if (b == 0xff)
 200                 return 0;
 201 
 202         /* Button pressed */
 203 
 204         input_dbg("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b);
 205         *protocol = RC_PROTO_UNKNOWN;
 206         *scancode = b;
 207         *toggle = 0;
 208         return 1;
 209 }
 210 
 211 /* copied and modified from get_key_msi_tvanywhere_plus() */
 212 static int get_key_kworld_pc150u(struct IR_i2c *ir, enum rc_proto *protocol,
 213                                  u32 *scancode, u8 *toggle)
 214 {
 215         unsigned char b;
 216         unsigned int gpio;
 217         int rc;
 218 
 219         /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
 220         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 221         if (dev == NULL) {
 222                 ir_dbg(ir, "get_key_kworld_pc150u: ir->c->adapter->algo_data is NULL!\n");
 223                 return -EIO;
 224         }
 225 
 226         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 227 
 228         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 229         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 230 
 231         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 232 
 233         /* GPIO&0x100 is pulsed low when a button is pressed. Don't do
 234            I2C receive if gpio&0x100 is not low. */
 235 
 236         if (gpio & 0x100)
 237                 return 0;       /* No button press */
 238 
 239         /* GPIO says there is a button press. Get it. */
 240 
 241         rc = i2c_master_recv(ir->c, &b, 1);
 242         if (rc != 1) {
 243                 ir_dbg(ir, "read error\n");
 244                 if (rc < 0)
 245                         return rc;
 246                 return -EIO;
 247         }
 248 
 249         /* No button press */
 250 
 251         if (b == 0xff)
 252                 return 0;
 253 
 254         /* Button pressed */
 255 
 256         input_dbg("get_key_kworld_pc150u: Key = 0x%02X\n", b);
 257         *protocol = RC_PROTO_UNKNOWN;
 258         *scancode = b;
 259         *toggle = 0;
 260         return 1;
 261 }
 262 
 263 static int get_key_purpletv(struct IR_i2c *ir, enum rc_proto *protocol,
 264                             u32 *scancode, u8 *toggle)
 265 {
 266         int rc;
 267         unsigned char b;
 268 
 269         /* poll IR chip */
 270         rc = i2c_master_recv(ir->c, &b, 1);
 271         if (rc != 1) {
 272                 ir_dbg(ir, "read error\n");
 273                 if (rc < 0)
 274                         return rc;
 275                 return -EIO;
 276         }
 277 
 278         /* no button press */
 279         if (b==0)
 280                 return 0;
 281 
 282         /* repeating */
 283         if (b & 0x80)
 284                 return 1;
 285 
 286         *protocol = RC_PROTO_UNKNOWN;
 287         *scancode = b;
 288         *toggle = 0;
 289         return 1;
 290 }
 291 
 292 static int get_key_beholdm6xx(struct IR_i2c *ir, enum rc_proto *protocol,
 293                               u32 *scancode, u8 *toggle)
 294 {
 295         int rc;
 296         unsigned char data[12];
 297         u32 gpio;
 298 
 299         struct saa7134_dev *dev = ir->c->adapter->algo_data;
 300 
 301         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 302         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 303         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 304 
 305         gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 306 
 307         if (0x400000 & ~gpio)
 308                 return 0; /* No button press */
 309 
 310         ir->c->addr = 0x5a >> 1;
 311 
 312         rc = i2c_master_recv(ir->c, data, 12);
 313         if (rc != 12) {
 314                 ir_dbg(ir, "read error\n");
 315                 if (rc < 0)
 316                         return rc;
 317                 return -EIO;
 318         }
 319 
 320         if (data[9] != (unsigned char)(~data[8]))
 321                 return 0;
 322 
 323         *protocol = RC_PROTO_NECX;
 324         *scancode = RC_SCANCODE_NECX(data[11] << 8 | data[10], data[9]);
 325         *toggle = 0;
 326         return 1;
 327 }
 328 
 329 /* Common (grey or coloured) pinnacle PCTV remote handling
 330  *
 331  */
 332 static int get_key_pinnacle(struct IR_i2c *ir, enum rc_proto *protocol,
 333                             u32 *scancode, u8 *toggle, int parity_offset,
 334                             int marker, int code_modulo)
 335 {
 336         int rc;
 337         unsigned char b[4];
 338         unsigned int start = 0,parity = 0,code = 0;
 339 
 340         /* poll IR chip */
 341         rc = i2c_master_recv(ir->c, b, 4);
 342         if (rc != 4) {
 343                 ir_dbg(ir, "read error\n");
 344                 if (rc < 0)
 345                         return rc;
 346                 return -EIO;
 347         }
 348 
 349         for (start = 0; start < ARRAY_SIZE(b); start++) {
 350                 if (b[start] == marker) {
 351                         code=b[(start+parity_offset + 1) % 4];
 352                         parity=b[(start+parity_offset) % 4];
 353                 }
 354         }
 355 
 356         /* Empty Request */
 357         if (parity == 0)
 358                 return 0;
 359 
 360         /* Repeating... */
 361         if (ir->old == parity)
 362                 return 0;
 363 
 364         ir->old = parity;
 365 
 366         /* drop special codes when a key is held down a long time for the grey controller
 367            In this case, the second bit of the code is asserted */
 368         if (marker == 0xfe && (code & 0x40))
 369                 return 0;
 370 
 371         code %= code_modulo;
 372 
 373         *protocol = RC_PROTO_UNKNOWN;
 374         *scancode = code;
 375         *toggle = 0;
 376 
 377         ir_dbg(ir, "Pinnacle PCTV key %02x\n", code);
 378         return 1;
 379 }
 380 
 381 /* The grey pinnacle PCTV remote
 382  *
 383  *  There are one issue with this remote:
 384  *   - I2c packet does not change when the same key is pressed quickly. The workaround
 385  *     is to hold down each key for about half a second, so that another code is generated
 386  *     in the i2c packet, and the function can distinguish key presses.
 387  *
 388  * Sylvain Pasche <sylvain.pasche@gmail.com>
 389  */
 390 static int get_key_pinnacle_grey(struct IR_i2c *ir, enum rc_proto *protocol,
 391                                  u32 *scancode, u8 *toggle)
 392 {
 393 
 394         return get_key_pinnacle(ir, protocol, scancode, toggle, 1, 0xfe, 0xff);
 395 }
 396 
 397 
 398 /* The new pinnacle PCTV remote (with the colored buttons)
 399  *
 400  * Ricardo Cerqueira <v4l@cerqueira.org>
 401  */
 402 static int get_key_pinnacle_color(struct IR_i2c *ir, enum rc_proto *protocol,
 403                                   u32 *scancode, u8 *toggle)
 404 {
 405         /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
 406          *
 407          * this is the only value that results in 42 unique
 408          * codes < 128
 409          */
 410 
 411         return get_key_pinnacle(ir, protocol, scancode, toggle, 2, 0x80, 0x88);
 412 }
 413 
 414 void saa7134_input_irq(struct saa7134_dev *dev)
 415 {
 416         struct saa7134_card_ir *ir;
 417 
 418         if (!dev || !dev->remote)
 419                 return;
 420 
 421         ir = dev->remote;
 422         if (!ir->running)
 423                 return;
 424 
 425         if (!ir->polling && !ir->raw_decode) {
 426                 build_key(dev);
 427         } else if (ir->raw_decode) {
 428                 saa7134_raw_decode_irq(dev);
 429         }
 430 }
 431 
 432 static void saa7134_input_timer(struct timer_list *t)
 433 {
 434         struct saa7134_card_ir *ir = from_timer(ir, t, timer);
 435         struct saa7134_dev *dev = ir->dev->priv;
 436 
 437         build_key(dev);
 438         mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
 439 }
 440 
 441 int saa7134_ir_open(struct rc_dev *rc)
 442 {
 443         struct saa7134_dev *dev = rc->priv;
 444         struct saa7134_card_ir *ir = dev->remote;
 445 
 446         /* Moved here from saa7134_input_init1() because the latter
 447          * is not called on device resume */
 448         switch (dev->board) {
 449         case SAA7134_BOARD_MD2819:
 450         case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
 451         case SAA7134_BOARD_AVERMEDIA_305:
 452         case SAA7134_BOARD_AVERMEDIA_307:
 453         case SAA7134_BOARD_AVERMEDIA_505:
 454         case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
 455         case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
 456         case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
 457         case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
 458         case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
 459         case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
 460         case SAA7134_BOARD_AVERMEDIA_M102:
 461         case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
 462                 /* Without this we won't receive key up events */
 463                 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
 464                 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
 465                 break;
 466         case SAA7134_BOARD_AVERMEDIA_777:
 467         case SAA7134_BOARD_AVERMEDIA_A16AR:
 468                 /* Without this we won't receive key up events */
 469                 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
 470                 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
 471                 break;
 472         case SAA7134_BOARD_AVERMEDIA_A16D:
 473                 /* Without this we won't receive key up events */
 474                 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
 475                 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
 476                 break;
 477         case SAA7134_BOARD_GOTVIEW_7135:
 478                 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
 479                 break;
 480         }
 481 
 482         ir->running = true;
 483 
 484         if (ir->polling) {
 485                 timer_setup(&ir->timer, saa7134_input_timer, 0);
 486                 ir->timer.expires = jiffies + HZ;
 487                 add_timer(&ir->timer);
 488         }
 489 
 490         return 0;
 491 }
 492 
 493 void saa7134_ir_close(struct rc_dev *rc)
 494 {
 495         struct saa7134_dev *dev = rc->priv;
 496         struct saa7134_card_ir *ir = dev->remote;
 497 
 498         if (ir->polling)
 499                 del_timer_sync(&ir->timer);
 500 
 501         ir->running = false;
 502 }
 503 
 504 int saa7134_input_init1(struct saa7134_dev *dev)
 505 {
 506         struct saa7134_card_ir *ir;
 507         struct rc_dev *rc;
 508         char *ir_codes = NULL;
 509         u32 mask_keycode = 0;
 510         u32 mask_keydown = 0;
 511         u32 mask_keyup   = 0;
 512         unsigned polling = 0;
 513         bool raw_decode  = false;
 514         int err;
 515 
 516         if (dev->has_remote != SAA7134_REMOTE_GPIO)
 517                 return -ENODEV;
 518         if (disable_ir)
 519                 return -ENODEV;
 520 
 521         /* detect & configure */
 522         switch (dev->board) {
 523         case SAA7134_BOARD_FLYVIDEO2000:
 524         case SAA7134_BOARD_FLYVIDEO3000:
 525         case SAA7134_BOARD_FLYTVPLATINUM_FM:
 526         case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
 527         case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
 528                 ir_codes     = RC_MAP_FLYVIDEO;
 529                 mask_keycode = 0xEC00000;
 530                 mask_keydown = 0x0040000;
 531                 break;
 532         case SAA7134_BOARD_CINERGY400:
 533         case SAA7134_BOARD_CINERGY600:
 534         case SAA7134_BOARD_CINERGY600_MK3:
 535                 ir_codes     = RC_MAP_CINERGY;
 536                 mask_keycode = 0x00003f;
 537                 mask_keyup   = 0x040000;
 538                 break;
 539         case SAA7134_BOARD_ECS_TVP3XP:
 540         case SAA7134_BOARD_ECS_TVP3XP_4CB5:
 541                 ir_codes     = RC_MAP_EZTV;
 542                 mask_keycode = 0x00017c;
 543                 mask_keyup   = 0x000002;
 544                 polling      = 50; // ms
 545                 break;
 546         case SAA7134_BOARD_KWORLD_XPERT:
 547         case SAA7134_BOARD_AVACSSMARTTV:
 548                 ir_codes     = RC_MAP_PIXELVIEW;
 549                 mask_keycode = 0x00001F;
 550                 mask_keyup   = 0x000020;
 551                 polling      = 50; // ms
 552                 break;
 553         case SAA7134_BOARD_MD2819:
 554         case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
 555         case SAA7134_BOARD_AVERMEDIA_305:
 556         case SAA7134_BOARD_AVERMEDIA_307:
 557         case SAA7134_BOARD_AVERMEDIA_505:
 558         case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
 559         case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
 560         case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
 561         case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
 562         case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
 563         case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
 564         case SAA7134_BOARD_AVERMEDIA_M102:
 565         case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
 566                 ir_codes     = RC_MAP_AVERMEDIA;
 567                 mask_keycode = 0x0007C8;
 568                 mask_keydown = 0x000010;
 569                 polling      = 50; // ms
 570                 /* GPIO stuff moved to saa7134_ir_open() */
 571                 break;
 572         case SAA7134_BOARD_AVERMEDIA_M135A:
 573                 ir_codes     = RC_MAP_AVERMEDIA_M135A;
 574                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 575                 mask_keyup   = 0x0040000;
 576                 mask_keycode = 0xffff;
 577                 raw_decode   = true;
 578                 break;
 579         case SAA7134_BOARD_AVERMEDIA_M733A:
 580                 ir_codes     = RC_MAP_AVERMEDIA_M733A_RM_K6;
 581                 mask_keydown = 0x0040000;
 582                 mask_keyup   = 0x0040000;
 583                 mask_keycode = 0xffff;
 584                 raw_decode   = true;
 585                 break;
 586         case SAA7134_BOARD_AVERMEDIA_777:
 587         case SAA7134_BOARD_AVERMEDIA_A16AR:
 588                 ir_codes     = RC_MAP_AVERMEDIA;
 589                 mask_keycode = 0x02F200;
 590                 mask_keydown = 0x000400;
 591                 polling      = 50; // ms
 592                 /* GPIO stuff moved to saa7134_ir_open() */
 593                 break;
 594         case SAA7134_BOARD_AVERMEDIA_A16D:
 595                 ir_codes     = RC_MAP_AVERMEDIA_A16D;
 596                 mask_keycode = 0x02F200;
 597                 mask_keydown = 0x000400;
 598                 polling      = 50; /* ms */
 599                 /* GPIO stuff moved to saa7134_ir_open() */
 600                 break;
 601         case SAA7134_BOARD_KWORLD_TERMINATOR:
 602                 ir_codes     = RC_MAP_PIXELVIEW;
 603                 mask_keycode = 0x00001f;
 604                 mask_keyup   = 0x000060;
 605                 polling      = 50; // ms
 606                 break;
 607         case SAA7134_BOARD_MANLI_MTV001:
 608         case SAA7134_BOARD_MANLI_MTV002:
 609                 ir_codes     = RC_MAP_MANLI;
 610                 mask_keycode = 0x001f00;
 611                 mask_keyup   = 0x004000;
 612                 polling      = 50; /* ms */
 613                 break;
 614         case SAA7134_BOARD_BEHOLD_409FM:
 615         case SAA7134_BOARD_BEHOLD_401:
 616         case SAA7134_BOARD_BEHOLD_403:
 617         case SAA7134_BOARD_BEHOLD_403FM:
 618         case SAA7134_BOARD_BEHOLD_405:
 619         case SAA7134_BOARD_BEHOLD_405FM:
 620         case SAA7134_BOARD_BEHOLD_407:
 621         case SAA7134_BOARD_BEHOLD_407FM:
 622         case SAA7134_BOARD_BEHOLD_409:
 623         case SAA7134_BOARD_BEHOLD_505FM:
 624         case SAA7134_BOARD_BEHOLD_505RDS_MK5:
 625         case SAA7134_BOARD_BEHOLD_505RDS_MK3:
 626         case SAA7134_BOARD_BEHOLD_507_9FM:
 627         case SAA7134_BOARD_BEHOLD_507RDS_MK3:
 628         case SAA7134_BOARD_BEHOLD_507RDS_MK5:
 629                 ir_codes     = RC_MAP_MANLI;
 630                 mask_keycode = 0x003f00;
 631                 mask_keyup   = 0x004000;
 632                 polling      = 50; /* ms */
 633                 break;
 634         case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
 635                 ir_codes     = RC_MAP_BEHOLD_COLUMBUS;
 636                 mask_keycode = 0x003f00;
 637                 mask_keyup   = 0x004000;
 638                 polling      = 50; // ms
 639                 break;
 640         case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
 641                 ir_codes     = RC_MAP_PCTV_SEDNA;
 642                 mask_keycode = 0x001f00;
 643                 mask_keyup   = 0x004000;
 644                 polling      = 50; // ms
 645                 break;
 646         case SAA7134_BOARD_GOTVIEW_7135:
 647                 ir_codes     = RC_MAP_GOTVIEW7135;
 648                 mask_keycode = 0x0003CC;
 649                 mask_keydown = 0x000010;
 650                 polling      = 5; /* ms */
 651                 /* GPIO stuff moved to saa7134_ir_open() */
 652                 break;
 653         case SAA7134_BOARD_VIDEOMATE_TV_PVR:
 654         case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
 655         case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
 656                 ir_codes     = RC_MAP_VIDEOMATE_TV_PVR;
 657                 mask_keycode = 0x00003F;
 658                 mask_keyup   = 0x400000;
 659                 polling      = 50; // ms
 660                 break;
 661         case SAA7134_BOARD_PROTEUS_2309:
 662                 ir_codes     = RC_MAP_PROTEUS_2309;
 663                 mask_keycode = 0x00007F;
 664                 mask_keyup   = 0x000080;
 665                 polling      = 50; // ms
 666                 break;
 667         case SAA7134_BOARD_VIDEOMATE_DVBT_300:
 668         case SAA7134_BOARD_VIDEOMATE_DVBT_200:
 669                 ir_codes     = RC_MAP_VIDEOMATE_TV_PVR;
 670                 mask_keycode = 0x003F00;
 671                 mask_keyup   = 0x040000;
 672                 break;
 673         case SAA7134_BOARD_FLYDVBS_LR300:
 674         case SAA7134_BOARD_FLYDVBT_LR301:
 675         case SAA7134_BOARD_FLYDVBTDUO:
 676                 ir_codes     = RC_MAP_FLYDVB;
 677                 mask_keycode = 0x0001F00;
 678                 mask_keydown = 0x0040000;
 679                 break;
 680         case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
 681         case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
 682         case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
 683                 ir_codes     = RC_MAP_ASUS_PC39;
 684                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 685                 mask_keyup   = 0x0040000;
 686                 mask_keycode = 0xffff;
 687                 raw_decode   = true;
 688                 break;
 689         case SAA7134_BOARD_ASUSTeK_PS3_100:
 690                 ir_codes     = RC_MAP_ASUS_PS3_100;
 691                 mask_keydown = 0x0040000;
 692                 mask_keyup   = 0x0040000;
 693                 mask_keycode = 0xffff;
 694                 raw_decode   = true;
 695                 break;
 696         case SAA7134_BOARD_ENCORE_ENLTV:
 697         case SAA7134_BOARD_ENCORE_ENLTV_FM:
 698                 ir_codes     = RC_MAP_ENCORE_ENLTV;
 699                 mask_keycode = 0x00007f;
 700                 mask_keyup   = 0x040000;
 701                 polling      = 50; // ms
 702                 break;
 703         case SAA7134_BOARD_ENCORE_ENLTV_FM53:
 704         case SAA7134_BOARD_ENCORE_ENLTV_FM3:
 705                 ir_codes     = RC_MAP_ENCORE_ENLTV_FM53;
 706                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 707                 mask_keyup   = 0x0040000;
 708                 mask_keycode = 0xffff;
 709                 raw_decode   = true;
 710                 break;
 711         case SAA7134_BOARD_10MOONSTVMASTER3:
 712                 ir_codes     = RC_MAP_ENCORE_ENLTV;
 713                 mask_keycode = 0x5f80000;
 714                 mask_keyup   = 0x8000000;
 715                 polling      = 50; //ms
 716                 break;
 717         case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
 718                 ir_codes     = RC_MAP_GENIUS_TVGO_A11MCE;
 719                 mask_keycode = 0xff;
 720                 mask_keydown = 0xf00000;
 721                 polling = 50; /* ms */
 722                 break;
 723         case SAA7134_BOARD_REAL_ANGEL_220:
 724                 ir_codes     = RC_MAP_REAL_AUDIO_220_32_KEYS;
 725                 mask_keycode = 0x3f00;
 726                 mask_keyup   = 0x4000;
 727                 polling = 50; /* ms */
 728                 break;
 729         case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
 730                 ir_codes     = RC_MAP_KWORLD_PLUS_TV_ANALOG;
 731                 mask_keycode = 0x7f;
 732                 polling = 40; /* ms */
 733                 break;
 734         case SAA7134_BOARD_VIDEOMATE_S350:
 735                 ir_codes     = RC_MAP_VIDEOMATE_S350;
 736                 mask_keycode = 0x003f00;
 737                 mask_keydown = 0x040000;
 738                 break;
 739         case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
 740                 ir_codes     = RC_MAP_WINFAST;
 741                 mask_keycode = 0x5f00;
 742                 mask_keyup   = 0x020000;
 743                 polling      = 50; /* ms */
 744                 break;
 745         case SAA7134_BOARD_VIDEOMATE_M1F:
 746                 ir_codes     = RC_MAP_VIDEOMATE_K100;
 747                 mask_keycode = 0x0ff00;
 748                 mask_keyup   = 0x040000;
 749                 break;
 750         case SAA7134_BOARD_HAUPPAUGE_HVR1150:
 751         case SAA7134_BOARD_HAUPPAUGE_HVR1120:
 752                 ir_codes     = RC_MAP_HAUPPAUGE;
 753                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 754                 mask_keyup   = 0x0040000;
 755                 mask_keycode = 0xffff;
 756                 raw_decode   = true;
 757                 break;
 758         case SAA7134_BOARD_LEADTEK_WINFAST_TV2100_FM:
 759                 ir_codes     = RC_MAP_LEADTEK_Y04G0051;
 760                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 761                 mask_keyup   = 0x0040000;
 762                 mask_keycode = 0xffff;
 763                 raw_decode   = true;
 764                 break;
 765         }
 766         if (NULL == ir_codes) {
 767                 pr_err("Oops: IR config error [card=%d]\n", dev->board);
 768                 return -ENODEV;
 769         }
 770 
 771         ir = kzalloc(sizeof(*ir), GFP_KERNEL);
 772         rc = rc_allocate_device(RC_DRIVER_SCANCODE);
 773         if (!ir || !rc) {
 774                 err = -ENOMEM;
 775                 goto err_out_free;
 776         }
 777 
 778         ir->dev = rc;
 779         dev->remote = ir;
 780 
 781         /* init hardware-specific stuff */
 782         ir->mask_keycode = mask_keycode;
 783         ir->mask_keydown = mask_keydown;
 784         ir->mask_keyup   = mask_keyup;
 785         ir->polling      = polling;
 786         ir->raw_decode   = raw_decode;
 787 
 788         /* init input device */
 789         snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
 790                  pci_name(dev->pci));
 791 
 792         rc->priv = dev;
 793         rc->open = saa7134_ir_open;
 794         rc->close = saa7134_ir_close;
 795         if (raw_decode) {
 796                 rc->driver_type = RC_DRIVER_IR_RAW;
 797                 rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
 798         }
 799 
 800         rc->device_name = saa7134_boards[dev->board].name;
 801         rc->input_phys = ir->phys;
 802         rc->input_id.bustype = BUS_PCI;
 803         rc->input_id.version = 1;
 804         if (dev->pci->subsystem_vendor) {
 805                 rc->input_id.vendor  = dev->pci->subsystem_vendor;
 806                 rc->input_id.product = dev->pci->subsystem_device;
 807         } else {
 808                 rc->input_id.vendor  = dev->pci->vendor;
 809                 rc->input_id.product = dev->pci->device;
 810         }
 811         rc->dev.parent = &dev->pci->dev;
 812         rc->map_name = ir_codes;
 813         rc->driver_name = MODULE_NAME;
 814         rc->min_timeout = 1;
 815         rc->timeout = IR_DEFAULT_TIMEOUT;
 816         rc->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
 817 
 818         err = rc_register_device(rc);
 819         if (err)
 820                 goto err_out_free;
 821 
 822         return 0;
 823 
 824 err_out_free:
 825         rc_free_device(rc);
 826         dev->remote = NULL;
 827         kfree(ir);
 828         return err;
 829 }
 830 
 831 void saa7134_input_fini(struct saa7134_dev *dev)
 832 {
 833         if (NULL == dev->remote)
 834                 return;
 835 
 836         rc_unregister_device(dev->remote->dev);
 837         kfree(dev->remote);
 838         dev->remote = NULL;
 839 }
 840 
 841 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
 842 {
 843         struct i2c_board_info info;
 844         struct i2c_msg msg_msi = {
 845                 .addr = 0x50,
 846                 .flags = I2C_M_RD,
 847                 .len = 0,
 848                 .buf = NULL,
 849         };
 850         int rc;
 851 
 852         if (disable_ir) {
 853                 input_dbg("IR has been disabled, not probing for i2c remote\n");
 854                 return;
 855         }
 856 
 857         memset(&info, 0, sizeof(struct i2c_board_info));
 858         memset(&dev->init_data, 0, sizeof(dev->init_data));
 859         strscpy(info.type, "ir_video", I2C_NAME_SIZE);
 860 
 861         switch (dev->board) {
 862         case SAA7134_BOARD_PINNACLE_PCTV_110i:
 863         case SAA7134_BOARD_PINNACLE_PCTV_310i:
 864                 dev->init_data.name = "Pinnacle PCTV";
 865                 if (pinnacle_remote == 0) {
 866                         dev->init_data.get_key = get_key_pinnacle_color;
 867                         dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR;
 868                         info.addr = 0x47;
 869                 } else {
 870                         dev->init_data.get_key = get_key_pinnacle_grey;
 871                         dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
 872                         info.addr = 0x47;
 873                 }
 874                 break;
 875         case SAA7134_BOARD_UPMOST_PURPLE_TV:
 876                 dev->init_data.name = "Purple TV";
 877                 dev->init_data.get_key = get_key_purpletv;
 878                 dev->init_data.ir_codes = RC_MAP_PURPLETV;
 879                 info.addr = 0x7a;
 880                 break;
 881         case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
 882                 dev->init_data.name = "MSI TV@nywhere Plus";
 883                 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
 884                 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
 885                 /*
 886                  * MSI TV@nyware Plus requires more frequent polling
 887                  * otherwise it will miss some keypresses
 888                  */
 889                 dev->init_data.polling_interval = 50;
 890                 info.addr = 0x30;
 891                 /* MSI TV@nywhere Plus controller doesn't seem to
 892                    respond to probes unless we read something from
 893                    an existing device. Weird...
 894                    REVISIT: might no longer be needed */
 895                 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
 896                 input_dbg("probe 0x%02x @ %s: %s\n",
 897                         msg_msi.addr, dev->i2c_adap.name,
 898                         (1 == rc) ? "yes" : "no");
 899                 break;
 900         case SAA7134_BOARD_SNAZIO_TVPVR_PRO:
 901                 dev->init_data.name = "SnaZio* TVPVR PRO";
 902                 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
 903                 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
 904                 /*
 905                  * MSI TV@nyware Plus requires more frequent polling
 906                  * otherwise it will miss some keypresses
 907                  */
 908                 dev->init_data.polling_interval = 50;
 909                 info.addr = 0x30;
 910                 /*
 911                  * MSI TV@nywhere Plus controller doesn't seem to
 912                  *  respond to probes unless we read something from
 913                  *  an existing device. Weird...
 914                  * REVISIT: might no longer be needed
 915                  */
 916                 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
 917                 input_dbg("probe 0x%02x @ %s: %s\n",
 918                         msg_msi.addr, dev->i2c_adap.name,
 919                         (rc == 1) ? "yes" : "no");
 920                 break;
 921         case SAA7134_BOARD_KWORLD_PC150U:
 922                 /* copied and modified from MSI TV@nywhere Plus */
 923                 dev->init_data.name = "Kworld PC150-U";
 924                 dev->init_data.get_key = get_key_kworld_pc150u;
 925                 dev->init_data.ir_codes = RC_MAP_KWORLD_PC150U;
 926                 info.addr = 0x30;
 927                 /* MSI TV@nywhere Plus controller doesn't seem to
 928                    respond to probes unless we read something from
 929                    an existing device. Weird...
 930                    REVISIT: might no longer be needed */
 931                 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
 932                 input_dbg("probe 0x%02x @ %s: %s\n",
 933                         msg_msi.addr, dev->i2c_adap.name,
 934                         (1 == rc) ? "yes" : "no");
 935                 break;
 936         case SAA7134_BOARD_HAUPPAUGE_HVR1110:
 937                 dev->init_data.name = saa7134_boards[dev->board].name;
 938                 dev->init_data.ir_codes = RC_MAP_HAUPPAUGE;
 939                 dev->init_data.type = RC_PROTO_BIT_RC5 |
 940                                 RC_PROTO_BIT_RC6_MCE | RC_PROTO_BIT_RC6_6A_32;
 941                 dev->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR;
 942                 info.addr = 0x71;
 943                 break;
 944         case SAA7134_BOARD_BEHOLD_607FM_MK3:
 945         case SAA7134_BOARD_BEHOLD_607FM_MK5:
 946         case SAA7134_BOARD_BEHOLD_609FM_MK3:
 947         case SAA7134_BOARD_BEHOLD_609FM_MK5:
 948         case SAA7134_BOARD_BEHOLD_607RDS_MK3:
 949         case SAA7134_BOARD_BEHOLD_607RDS_MK5:
 950         case SAA7134_BOARD_BEHOLD_609RDS_MK3:
 951         case SAA7134_BOARD_BEHOLD_609RDS_MK5:
 952         case SAA7134_BOARD_BEHOLD_M6:
 953         case SAA7134_BOARD_BEHOLD_M63:
 954         case SAA7134_BOARD_BEHOLD_M6_EXTRA:
 955         case SAA7134_BOARD_BEHOLD_H6:
 956         case SAA7134_BOARD_BEHOLD_X7:
 957         case SAA7134_BOARD_BEHOLD_H7:
 958         case SAA7134_BOARD_BEHOLD_A7:
 959                 dev->init_data.name = "BeholdTV";
 960                 dev->init_data.get_key = get_key_beholdm6xx;
 961                 dev->init_data.ir_codes = RC_MAP_BEHOLD;
 962                 dev->init_data.type = RC_PROTO_BIT_NECX;
 963                 info.addr = 0x2d;
 964                 break;
 965         case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
 966         case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
 967                 info.addr = 0x40;
 968                 break;
 969         case SAA7134_BOARD_AVERMEDIA_A706:
 970                 info.addr = 0x41;
 971                 break;
 972         case SAA7134_BOARD_FLYDVB_TRIO:
 973                 dev->init_data.name = "FlyDVB Trio";
 974                 dev->init_data.get_key = get_key_flydvb_trio;
 975                 dev->init_data.ir_codes = RC_MAP_FLYDVB;
 976                 info.addr = 0x0b;
 977                 break;
 978         default:
 979                 input_dbg("No I2C IR support for board %x\n", dev->board);
 980                 return;
 981         }
 982 
 983         if (dev->init_data.name)
 984                 info.platform_data = &dev->init_data;
 985         i2c_new_device(&dev->i2c_adap, &info);
 986 }
 987 
 988 static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
 989 {
 990         struct saa7134_card_ir *ir = dev->remote;
 991         int space;
 992 
 993         /* Generate initial event */
 994         saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 995         saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 996         space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
 997         ir_raw_event_store_edge(dev->remote->dev, !space);
 998 
 999         return 1;
1000 }
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/media/pci/saa7134/saa7134-input.c

DEFINITIONS
