linux/drivers/media/pci/saa7134/saa7134-input.c
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   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
  28static unsigned int disable_ir;
  29module_param(disable_ir, int, 0444);
  30MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
  31
  32static unsigned int ir_debug;
  33module_param(ir_debug, int, 0644);
  34MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
  35
  36static int pinnacle_remote;
  37module_param(pinnacle_remote, int, 0644);    /* Choose Pinnacle PCTV remote */
  38MODULE_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 */
  51static int saa7134_raw_decode_irq(struct saa7134_dev *dev);
  52
  53/* -------------------- GPIO generic keycode builder -------------------- */
  54
  55static 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
 115static 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
 170static 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() */
 222static 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
 273static 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
 302static int get_key_hvr1110(struct IR_i2c *ir, enum rc_proto *protocol,
 303                           u32 *scancode, u8 *toggle)
 304{
 305        int rc;
 306        unsigned char buf[5];
 307
 308        /* poll IR chip */
 309        rc = i2c_master_recv(ir->c, buf, 5);
 310        if (rc != 5) {
 311                ir_dbg(ir, "read error\n");
 312                if (rc < 0)
 313                        return rc;
 314                return -EIO;
 315        }
 316
 317        /* Check if some key were pressed */
 318        if (!(buf[0] & 0x80))
 319                return 0;
 320
 321        /*
 322         * buf[3] & 0x80 is always high.
 323         * buf[3] & 0x40 is a parity bit. A repeat event is marked
 324         * by preserving it into two separate readings
 325         * buf[4] bits 0 and 1, and buf[1] and buf[2] are always
 326         * zero.
 327         *
 328         * Note that the keymap which the hvr1110 uses is RC5.
 329         *
 330         * FIXME: start bits could maybe be used...?
 331         */
 332        *protocol = RC_PROTO_RC5;
 333        *scancode = RC_SCANCODE_RC5(buf[3] & 0x1f, buf[4] >> 2);
 334        *toggle = !!(buf[3] & 0x40);
 335        return 1;
 336}
 337
 338
 339static int get_key_beholdm6xx(struct IR_i2c *ir, enum rc_proto *protocol,
 340                              u32 *scancode, u8 *toggle)
 341{
 342        int rc;
 343        unsigned char data[12];
 344        u32 gpio;
 345
 346        struct saa7134_dev *dev = ir->c->adapter->algo_data;
 347
 348        /* rising SAA7134_GPIO_GPRESCAN reads the status */
 349        saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 350        saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
 351
 352        gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 353
 354        if (0x400000 & ~gpio)
 355                return 0; /* No button press */
 356
 357        ir->c->addr = 0x5a >> 1;
 358
 359        rc = i2c_master_recv(ir->c, data, 12);
 360        if (rc != 12) {
 361                ir_dbg(ir, "read error\n");
 362                if (rc < 0)
 363                        return rc;
 364                return -EIO;
 365        }
 366
 367        if (data[9] != (unsigned char)(~data[8]))
 368                return 0;
 369
 370        *protocol = RC_PROTO_NECX;
 371        *scancode = RC_SCANCODE_NECX(data[11] << 8 | data[10], data[9]);
 372        *toggle = 0;
 373        return 1;
 374}
 375
 376/* Common (grey or coloured) pinnacle PCTV remote handling
 377 *
 378 */
 379static int get_key_pinnacle(struct IR_i2c *ir, enum rc_proto *protocol,
 380                            u32 *scancode, u8 *toggle, int parity_offset,
 381                            int marker, int code_modulo)
 382{
 383        int rc;
 384        unsigned char b[4];
 385        unsigned int start = 0,parity = 0,code = 0;
 386
 387        /* poll IR chip */
 388        rc = i2c_master_recv(ir->c, b, 4);
 389        if (rc != 4) {
 390                ir_dbg(ir, "read error\n");
 391                if (rc < 0)
 392                        return rc;
 393                return -EIO;
 394        }
 395
 396        for (start = 0; start < ARRAY_SIZE(b); start++) {
 397                if (b[start] == marker) {
 398                        code=b[(start+parity_offset + 1) % 4];
 399                        parity=b[(start+parity_offset) % 4];
 400                }
 401        }
 402
 403        /* Empty Request */
 404        if (parity == 0)
 405                return 0;
 406
 407        /* Repeating... */
 408        if (ir->old == parity)
 409                return 0;
 410
 411        ir->old = parity;
 412
 413        /* drop special codes when a key is held down a long time for the grey controller
 414           In this case, the second bit of the code is asserted */
 415        if (marker == 0xfe && (code & 0x40))
 416                return 0;
 417
 418        code %= code_modulo;
 419
 420        *protocol = RC_PROTO_UNKNOWN;
 421        *scancode = code;
 422        *toggle = 0;
 423
 424        ir_dbg(ir, "Pinnacle PCTV key %02x\n", code);
 425        return 1;
 426}
 427
 428/* The grey pinnacle PCTV remote
 429 *
 430 *  There are one issue with this remote:
 431 *   - I2c packet does not change when the same key is pressed quickly. The workaround
 432 *     is to hold down each key for about half a second, so that another code is generated
 433 *     in the i2c packet, and the function can distinguish key presses.
 434 *
 435 * Sylvain Pasche <sylvain.pasche@gmail.com>
 436 */
 437static int get_key_pinnacle_grey(struct IR_i2c *ir, enum rc_proto *protocol,
 438                                 u32 *scancode, u8 *toggle)
 439{
 440
 441        return get_key_pinnacle(ir, protocol, scancode, toggle, 1, 0xfe, 0xff);
 442}
 443
 444
 445/* The new pinnacle PCTV remote (with the colored buttons)
 446 *
 447 * Ricardo Cerqueira <v4l@cerqueira.org>
 448 */
 449static int get_key_pinnacle_color(struct IR_i2c *ir, enum rc_proto *protocol,
 450                                  u32 *scancode, u8 *toggle)
 451{
 452        /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
 453         *
 454         * this is the only value that results in 42 unique
 455         * codes < 128
 456         */
 457
 458        return get_key_pinnacle(ir, protocol, scancode, toggle, 2, 0x80, 0x88);
 459}
 460
 461void saa7134_input_irq(struct saa7134_dev *dev)
 462{
 463        struct saa7134_card_ir *ir;
 464
 465        if (!dev || !dev->remote)
 466                return;
 467
 468        ir = dev->remote;
 469        if (!ir->running)
 470                return;
 471
 472        if (!ir->polling && !ir->raw_decode) {
 473                build_key(dev);
 474        } else if (ir->raw_decode) {
 475                saa7134_raw_decode_irq(dev);
 476        }
 477}
 478
 479static void saa7134_input_timer(struct timer_list *t)
 480{
 481        struct saa7134_card_ir *ir = from_timer(ir, t, timer);
 482        struct saa7134_dev *dev = ir->dev->priv;
 483
 484        build_key(dev);
 485        mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
 486}
 487
 488static int __saa7134_ir_start(void *priv)
 489{
 490        struct saa7134_dev *dev = priv;
 491        struct saa7134_card_ir *ir;
 492
 493        if (!dev || !dev->remote)
 494                return -EINVAL;
 495
 496        ir  = dev->remote;
 497        if (ir->running)
 498                return 0;
 499
 500        /* Moved here from saa7134_input_init1() because the latter
 501         * is not called on device resume */
 502        switch (dev->board) {
 503        case SAA7134_BOARD_MD2819:
 504        case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
 505        case SAA7134_BOARD_AVERMEDIA_305:
 506        case SAA7134_BOARD_AVERMEDIA_307:
 507        case SAA7134_BOARD_AVERMEDIA_505:
 508        case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
 509        case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
 510        case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
 511        case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
 512        case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
 513        case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
 514        case SAA7134_BOARD_AVERMEDIA_M102:
 515        case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
 516                /* Without this we won't receive key up events */
 517                saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
 518                saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
 519                break;
 520        case SAA7134_BOARD_AVERMEDIA_777:
 521        case SAA7134_BOARD_AVERMEDIA_A16AR:
 522                /* Without this we won't receive key up events */
 523                saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
 524                saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
 525                break;
 526        case SAA7134_BOARD_AVERMEDIA_A16D:
 527                /* Without this we won't receive key up events */
 528                saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
 529                saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
 530                break;
 531        case SAA7134_BOARD_GOTVIEW_7135:
 532                saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
 533                break;
 534        }
 535
 536        ir->running = true;
 537
 538        if (ir->polling) {
 539                timer_setup(&ir->timer, saa7134_input_timer, 0);
 540                ir->timer.expires = jiffies + HZ;
 541                add_timer(&ir->timer);
 542        }
 543
 544        return 0;
 545}
 546
 547static void __saa7134_ir_stop(void *priv)
 548{
 549        struct saa7134_dev *dev = priv;
 550        struct saa7134_card_ir *ir;
 551
 552        if (!dev || !dev->remote)
 553                return;
 554
 555        ir  = dev->remote;
 556        if (!ir->running)
 557                return;
 558
 559        if (ir->polling)
 560                del_timer_sync(&ir->timer);
 561
 562        ir->running = false;
 563
 564        return;
 565}
 566
 567int saa7134_ir_start(struct saa7134_dev *dev)
 568{
 569        if (dev->remote->users)
 570                return __saa7134_ir_start(dev);
 571
 572        return 0;
 573}
 574
 575void saa7134_ir_stop(struct saa7134_dev *dev)
 576{
 577        if (dev->remote->users)
 578                __saa7134_ir_stop(dev);
 579}
 580
 581static int saa7134_ir_open(struct rc_dev *rc)
 582{
 583        struct saa7134_dev *dev = rc->priv;
 584
 585        dev->remote->users++;
 586        return __saa7134_ir_start(dev);
 587}
 588
 589static void saa7134_ir_close(struct rc_dev *rc)
 590{
 591        struct saa7134_dev *dev = rc->priv;
 592
 593        dev->remote->users--;
 594        if (!dev->remote->users)
 595                __saa7134_ir_stop(dev);
 596}
 597
 598int saa7134_input_init1(struct saa7134_dev *dev)
 599{
 600        struct saa7134_card_ir *ir;
 601        struct rc_dev *rc;
 602        char *ir_codes = NULL;
 603        u32 mask_keycode = 0;
 604        u32 mask_keydown = 0;
 605        u32 mask_keyup   = 0;
 606        unsigned polling = 0;
 607        bool raw_decode  = false;
 608        int err;
 609
 610        if (dev->has_remote != SAA7134_REMOTE_GPIO)
 611                return -ENODEV;
 612        if (disable_ir)
 613                return -ENODEV;
 614
 615        /* detect & configure */
 616        switch (dev->board) {
 617        case SAA7134_BOARD_FLYVIDEO2000:
 618        case SAA7134_BOARD_FLYVIDEO3000:
 619        case SAA7134_BOARD_FLYTVPLATINUM_FM:
 620        case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
 621        case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
 622                ir_codes     = RC_MAP_FLYVIDEO;
 623                mask_keycode = 0xEC00000;
 624                mask_keydown = 0x0040000;
 625                break;
 626        case SAA7134_BOARD_CINERGY400:
 627        case SAA7134_BOARD_CINERGY600:
 628        case SAA7134_BOARD_CINERGY600_MK3:
 629                ir_codes     = RC_MAP_CINERGY;
 630                mask_keycode = 0x00003f;
 631                mask_keyup   = 0x040000;
 632                break;
 633        case SAA7134_BOARD_ECS_TVP3XP:
 634        case SAA7134_BOARD_ECS_TVP3XP_4CB5:
 635                ir_codes     = RC_MAP_EZTV;
 636                mask_keycode = 0x00017c;
 637                mask_keyup   = 0x000002;
 638                polling      = 50; // ms
 639                break;
 640        case SAA7134_BOARD_KWORLD_XPERT:
 641        case SAA7134_BOARD_AVACSSMARTTV:
 642                ir_codes     = RC_MAP_PIXELVIEW;
 643                mask_keycode = 0x00001F;
 644                mask_keyup   = 0x000020;
 645                polling      = 50; // ms
 646                break;
 647        case SAA7134_BOARD_MD2819:
 648        case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
 649        case SAA7134_BOARD_AVERMEDIA_305:
 650        case SAA7134_BOARD_AVERMEDIA_307:
 651        case SAA7134_BOARD_AVERMEDIA_505:
 652        case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
 653        case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
 654        case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
 655        case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
 656        case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
 657        case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
 658        case SAA7134_BOARD_AVERMEDIA_M102:
 659        case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
 660                ir_codes     = RC_MAP_AVERMEDIA;
 661                mask_keycode = 0x0007C8;
 662                mask_keydown = 0x000010;
 663                polling      = 50; // ms
 664                /* GPIO stuff moved to __saa7134_ir_start() */
 665                break;
 666        case SAA7134_BOARD_AVERMEDIA_M135A:
 667                ir_codes     = RC_MAP_AVERMEDIA_M135A;
 668                mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 669                mask_keyup   = 0x0040000;
 670                mask_keycode = 0xffff;
 671                raw_decode   = true;
 672                break;
 673        case SAA7134_BOARD_AVERMEDIA_M733A:
 674                ir_codes     = RC_MAP_AVERMEDIA_M733A_RM_K6;
 675                mask_keydown = 0x0040000;
 676                mask_keyup   = 0x0040000;
 677                mask_keycode = 0xffff;
 678                raw_decode   = true;
 679                break;
 680        case SAA7134_BOARD_AVERMEDIA_777:
 681        case SAA7134_BOARD_AVERMEDIA_A16AR:
 682                ir_codes     = RC_MAP_AVERMEDIA;
 683                mask_keycode = 0x02F200;
 684                mask_keydown = 0x000400;
 685                polling      = 50; // ms
 686                /* GPIO stuff moved to __saa7134_ir_start() */
 687                break;
 688        case SAA7134_BOARD_AVERMEDIA_A16D:
 689                ir_codes     = RC_MAP_AVERMEDIA_A16D;
 690                mask_keycode = 0x02F200;
 691                mask_keydown = 0x000400;
 692                polling      = 50; /* ms */
 693                /* GPIO stuff moved to __saa7134_ir_start() */
 694                break;
 695        case SAA7134_BOARD_KWORLD_TERMINATOR:
 696                ir_codes     = RC_MAP_PIXELVIEW;
 697                mask_keycode = 0x00001f;
 698                mask_keyup   = 0x000060;
 699                polling      = 50; // ms
 700                break;
 701        case SAA7134_BOARD_MANLI_MTV001:
 702        case SAA7134_BOARD_MANLI_MTV002:
 703                ir_codes     = RC_MAP_MANLI;
 704                mask_keycode = 0x001f00;
 705                mask_keyup   = 0x004000;
 706                polling      = 50; /* ms */
 707                break;
 708        case SAA7134_BOARD_BEHOLD_409FM:
 709        case SAA7134_BOARD_BEHOLD_401:
 710        case SAA7134_BOARD_BEHOLD_403:
 711        case SAA7134_BOARD_BEHOLD_403FM:
 712        case SAA7134_BOARD_BEHOLD_405:
 713        case SAA7134_BOARD_BEHOLD_405FM:
 714        case SAA7134_BOARD_BEHOLD_407:
 715        case SAA7134_BOARD_BEHOLD_407FM:
 716        case SAA7134_BOARD_BEHOLD_409:
 717        case SAA7134_BOARD_BEHOLD_505FM:
 718        case SAA7134_BOARD_BEHOLD_505RDS_MK5:
 719        case SAA7134_BOARD_BEHOLD_505RDS_MK3:
 720        case SAA7134_BOARD_BEHOLD_507_9FM:
 721        case SAA7134_BOARD_BEHOLD_507RDS_MK3:
 722        case SAA7134_BOARD_BEHOLD_507RDS_MK5:
 723                ir_codes     = RC_MAP_MANLI;
 724                mask_keycode = 0x003f00;
 725                mask_keyup   = 0x004000;
 726                polling      = 50; /* ms */
 727                break;
 728        case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
 729                ir_codes     = RC_MAP_BEHOLD_COLUMBUS;
 730                mask_keycode = 0x003f00;
 731                mask_keyup   = 0x004000;
 732                polling      = 50; // ms
 733                break;
 734        case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
 735                ir_codes     = RC_MAP_PCTV_SEDNA;
 736                mask_keycode = 0x001f00;
 737                mask_keyup   = 0x004000;
 738                polling      = 50; // ms
 739                break;
 740        case SAA7134_BOARD_GOTVIEW_7135:
 741                ir_codes     = RC_MAP_GOTVIEW7135;
 742                mask_keycode = 0x0003CC;
 743                mask_keydown = 0x000010;
 744                polling      = 5; /* ms */
 745                /* GPIO stuff moved to __saa7134_ir_start() */
 746                break;
 747        case SAA7134_BOARD_VIDEOMATE_TV_PVR:
 748        case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
 749        case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
 750                ir_codes     = RC_MAP_VIDEOMATE_TV_PVR;
 751                mask_keycode = 0x00003F;
 752                mask_keyup   = 0x400000;
 753                polling      = 50; // ms
 754                break;
 755        case SAA7134_BOARD_PROTEUS_2309:
 756                ir_codes     = RC_MAP_PROTEUS_2309;
 757                mask_keycode = 0x00007F;
 758                mask_keyup   = 0x000080;
 759                polling      = 50; // ms
 760                break;
 761        case SAA7134_BOARD_VIDEOMATE_DVBT_300:
 762        case SAA7134_BOARD_VIDEOMATE_DVBT_200:
 763                ir_codes     = RC_MAP_VIDEOMATE_TV_PVR;
 764                mask_keycode = 0x003F00;
 765                mask_keyup   = 0x040000;
 766                break;
 767        case SAA7134_BOARD_FLYDVBS_LR300:
 768        case SAA7134_BOARD_FLYDVBT_LR301:
 769        case SAA7134_BOARD_FLYDVBTDUO:
 770                ir_codes     = RC_MAP_FLYDVB;
 771                mask_keycode = 0x0001F00;
 772                mask_keydown = 0x0040000;
 773                break;
 774        case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
 775        case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
 776        case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
 777                ir_codes     = RC_MAP_ASUS_PC39;
 778                mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 779                mask_keyup   = 0x0040000;
 780                mask_keycode = 0xffff;
 781                raw_decode   = true;
 782                break;
 783        case SAA7134_BOARD_ASUSTeK_PS3_100:
 784                ir_codes     = RC_MAP_ASUS_PS3_100;
 785                mask_keydown = 0x0040000;
 786                mask_keyup   = 0x0040000;
 787                mask_keycode = 0xffff;
 788                raw_decode   = true;
 789                break;
 790        case SAA7134_BOARD_ENCORE_ENLTV:
 791        case SAA7134_BOARD_ENCORE_ENLTV_FM:
 792                ir_codes     = RC_MAP_ENCORE_ENLTV;
 793                mask_keycode = 0x00007f;
 794                mask_keyup   = 0x040000;
 795                polling      = 50; // ms
 796                break;
 797        case SAA7134_BOARD_ENCORE_ENLTV_FM53:
 798        case SAA7134_BOARD_ENCORE_ENLTV_FM3:
 799                ir_codes     = RC_MAP_ENCORE_ENLTV_FM53;
 800                mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 801                mask_keyup   = 0x0040000;
 802                mask_keycode = 0xffff;
 803                raw_decode   = true;
 804                break;
 805        case SAA7134_BOARD_10MOONSTVMASTER3:
 806                ir_codes     = RC_MAP_ENCORE_ENLTV;
 807                mask_keycode = 0x5f80000;
 808                mask_keyup   = 0x8000000;
 809                polling      = 50; //ms
 810                break;
 811        case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
 812                ir_codes     = RC_MAP_GENIUS_TVGO_A11MCE;
 813                mask_keycode = 0xff;
 814                mask_keydown = 0xf00000;
 815                polling = 50; /* ms */
 816                break;
 817        case SAA7134_BOARD_REAL_ANGEL_220:
 818                ir_codes     = RC_MAP_REAL_AUDIO_220_32_KEYS;
 819                mask_keycode = 0x3f00;
 820                mask_keyup   = 0x4000;
 821                polling = 50; /* ms */
 822                break;
 823        case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
 824                ir_codes     = RC_MAP_KWORLD_PLUS_TV_ANALOG;
 825                mask_keycode = 0x7f;
 826                polling = 40; /* ms */
 827                break;
 828        case SAA7134_BOARD_VIDEOMATE_S350:
 829                ir_codes     = RC_MAP_VIDEOMATE_S350;
 830                mask_keycode = 0x003f00;
 831                mask_keydown = 0x040000;
 832                break;
 833        case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
 834                ir_codes     = RC_MAP_WINFAST;
 835                mask_keycode = 0x5f00;
 836                mask_keyup   = 0x020000;
 837                polling      = 50; /* ms */
 838                break;
 839        case SAA7134_BOARD_VIDEOMATE_M1F:
 840                ir_codes     = RC_MAP_VIDEOMATE_K100;
 841                mask_keycode = 0x0ff00;
 842                mask_keyup   = 0x040000;
 843                break;
 844        case SAA7134_BOARD_HAUPPAUGE_HVR1150:
 845        case SAA7134_BOARD_HAUPPAUGE_HVR1120:
 846                ir_codes     = RC_MAP_HAUPPAUGE;
 847                mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 848                mask_keyup   = 0x0040000;
 849                mask_keycode = 0xffff;
 850                raw_decode   = true;
 851                break;
 852        case SAA7134_BOARD_LEADTEK_WINFAST_TV2100_FM:
 853                ir_codes     = RC_MAP_LEADTEK_Y04G0051;
 854                mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
 855                mask_keyup   = 0x0040000;
 856                mask_keycode = 0xffff;
 857                raw_decode   = true;
 858                break;
 859        }
 860        if (NULL == ir_codes) {
 861                pr_err("Oops: IR config error [card=%d]\n", dev->board);
 862                return -ENODEV;
 863        }
 864
 865        ir = kzalloc(sizeof(*ir), GFP_KERNEL);
 866        rc = rc_allocate_device(RC_DRIVER_SCANCODE);
 867        if (!ir || !rc) {
 868                err = -ENOMEM;
 869                goto err_out_free;
 870        }
 871
 872        ir->dev = rc;
 873        dev->remote = ir;
 874
 875        /* init hardware-specific stuff */
 876        ir->mask_keycode = mask_keycode;
 877        ir->mask_keydown = mask_keydown;
 878        ir->mask_keyup   = mask_keyup;
 879        ir->polling      = polling;
 880        ir->raw_decode   = raw_decode;
 881
 882        /* init input device */
 883        snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
 884                 saa7134_boards[dev->board].name);
 885        snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
 886                 pci_name(dev->pci));
 887
 888        rc->priv = dev;
 889        rc->open = saa7134_ir_open;
 890        rc->close = saa7134_ir_close;
 891        if (raw_decode) {
 892                rc->driver_type = RC_DRIVER_IR_RAW;
 893                rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
 894        }
 895
 896        rc->device_name = ir->name;
 897        rc->input_phys = ir->phys;
 898        rc->input_id.bustype = BUS_PCI;
 899        rc->input_id.version = 1;
 900        if (dev->pci->subsystem_vendor) {
 901                rc->input_id.vendor  = dev->pci->subsystem_vendor;
 902                rc->input_id.product = dev->pci->subsystem_device;
 903        } else {
 904                rc->input_id.vendor  = dev->pci->vendor;
 905                rc->input_id.product = dev->pci->device;
 906        }
 907        rc->dev.parent = &dev->pci->dev;
 908        rc->map_name = ir_codes;
 909        rc->driver_name = MODULE_NAME;
 910        rc->min_timeout = 1;
 911        rc->timeout = IR_DEFAULT_TIMEOUT;
 912        rc->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
 913
 914        err = rc_register_device(rc);
 915        if (err)
 916                goto err_out_free;
 917
 918        return 0;
 919
 920err_out_free:
 921        rc_free_device(rc);
 922        dev->remote = NULL;
 923        kfree(ir);
 924        return err;
 925}
 926
 927void saa7134_input_fini(struct saa7134_dev *dev)
 928{
 929        if (NULL == dev->remote)
 930                return;
 931
 932        saa7134_ir_stop(dev);
 933        rc_unregister_device(dev->remote->dev);
 934        kfree(dev->remote);
 935        dev->remote = NULL;
 936}
 937
 938void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
 939{
 940        struct i2c_board_info info;
 941        struct i2c_msg msg_msi = {
 942                .addr = 0x50,
 943                .flags = I2C_M_RD,
 944                .len = 0,
 945                .buf = NULL,
 946        };
 947        int rc;
 948
 949        if (disable_ir) {
 950                input_dbg("IR has been disabled, not probing for i2c remote\n");
 951                return;
 952        }
 953
 954        memset(&info, 0, sizeof(struct i2c_board_info));
 955        memset(&dev->init_data, 0, sizeof(dev->init_data));
 956        strscpy(info.type, "ir_video", I2C_NAME_SIZE);
 957
 958        switch (dev->board) {
 959        case SAA7134_BOARD_PINNACLE_PCTV_110i:
 960        case SAA7134_BOARD_PINNACLE_PCTV_310i:
 961                dev->init_data.name = "Pinnacle PCTV";
 962                if (pinnacle_remote == 0) {
 963                        dev->init_data.get_key = get_key_pinnacle_color;
 964                        dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR;
 965                        info.addr = 0x47;
 966                } else {
 967                        dev->init_data.get_key = get_key_pinnacle_grey;
 968                        dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
 969                        info.addr = 0x47;
 970                }
 971                break;
 972        case SAA7134_BOARD_UPMOST_PURPLE_TV:
 973                dev->init_data.name = "Purple TV";
 974                dev->init_data.get_key = get_key_purpletv;
 975                dev->init_data.ir_codes = RC_MAP_PURPLETV;
 976                info.addr = 0x7a;
 977                break;
 978        case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
 979                dev->init_data.name = "MSI TV@nywhere Plus";
 980                dev->init_data.get_key = get_key_msi_tvanywhere_plus;
 981                dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
 982                /*
 983                 * MSI TV@nyware Plus requires more frequent polling
 984                 * otherwise it will miss some keypresses
 985                 */
 986                dev->init_data.polling_interval = 50;
 987                info.addr = 0x30;
 988                /* MSI TV@nywhere Plus controller doesn't seem to
 989                   respond to probes unless we read something from
 990                   an existing device. Weird...
 991                   REVISIT: might no longer be needed */
 992                rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
 993                input_dbg("probe 0x%02x @ %s: %s\n",
 994                        msg_msi.addr, dev->i2c_adap.name,
 995                        (1 == rc) ? "yes" : "no");
 996                break;
 997        case SAA7134_BOARD_SNAZIO_TVPVR_PRO:
 998                dev->init_data.name = "SnaZio* TVPVR PRO";
 999                dev->init_data.get_key = get_key_msi_tvanywhere_plus;
1000                dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
1001                /*
1002                 * MSI TV@nyware Plus requires more frequent polling
1003                 * otherwise it will miss some keypresses
1004                 */
1005                dev->init_data.polling_interval = 50;
1006                info.addr = 0x30;
1007                /*
1008                 * MSI TV@nywhere Plus controller doesn't seem to
1009                 *  respond to probes unless we read something from
1010                 *  an existing device. Weird...
1011                 * REVISIT: might no longer be needed
1012                 */
1013                rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
1014                input_dbg("probe 0x%02x @ %s: %s\n",
1015                        msg_msi.addr, dev->i2c_adap.name,
1016                        (rc == 1) ? "yes" : "no");
1017                break;
1018        case SAA7134_BOARD_KWORLD_PC150U:
1019                /* copied and modified from MSI TV@nywhere Plus */
1020                dev->init_data.name = "Kworld PC150-U";
1021                dev->init_data.get_key = get_key_kworld_pc150u;
1022                dev->init_data.ir_codes = RC_MAP_KWORLD_PC150U;
1023                info.addr = 0x30;
1024                /* MSI TV@nywhere Plus controller doesn't seem to
1025                   respond to probes unless we read something from
1026                   an existing device. Weird...
1027                   REVISIT: might no longer be needed */
1028                rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
1029                input_dbg("probe 0x%02x @ %s: %s\n",
1030                        msg_msi.addr, dev->i2c_adap.name,
1031                        (1 == rc) ? "yes" : "no");
1032                break;
1033        case SAA7134_BOARD_HAUPPAUGE_HVR1110:
1034                dev->init_data.name = "HVR 1110";
1035                dev->init_data.get_key = get_key_hvr1110;
1036                dev->init_data.ir_codes = RC_MAP_HAUPPAUGE;
1037                info.addr = 0x71;
1038                break;
1039        case SAA7134_BOARD_BEHOLD_607FM_MK3:
1040        case SAA7134_BOARD_BEHOLD_607FM_MK5:
1041        case SAA7134_BOARD_BEHOLD_609FM_MK3:
1042        case SAA7134_BOARD_BEHOLD_609FM_MK5:
1043        case SAA7134_BOARD_BEHOLD_607RDS_MK3:
1044        case SAA7134_BOARD_BEHOLD_607RDS_MK5:
1045        case SAA7134_BOARD_BEHOLD_609RDS_MK3:
1046        case SAA7134_BOARD_BEHOLD_609RDS_MK5:
1047        case SAA7134_BOARD_BEHOLD_M6:
1048        case SAA7134_BOARD_BEHOLD_M63:
1049        case SAA7134_BOARD_BEHOLD_M6_EXTRA:
1050        case SAA7134_BOARD_BEHOLD_H6:
1051        case SAA7134_BOARD_BEHOLD_X7:
1052        case SAA7134_BOARD_BEHOLD_H7:
1053        case SAA7134_BOARD_BEHOLD_A7:
1054                dev->init_data.name = "BeholdTV";
1055                dev->init_data.get_key = get_key_beholdm6xx;
1056                dev->init_data.ir_codes = RC_MAP_BEHOLD;
1057                dev->init_data.type = RC_PROTO_BIT_NECX;
1058                info.addr = 0x2d;
1059                break;
1060        case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
1061        case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
1062                info.addr = 0x40;
1063                break;
1064        case SAA7134_BOARD_AVERMEDIA_A706:
1065                info.addr = 0x41;
1066                break;
1067        case SAA7134_BOARD_FLYDVB_TRIO:
1068                dev->init_data.name = "FlyDVB Trio";
1069                dev->init_data.get_key = get_key_flydvb_trio;
1070                dev->init_data.ir_codes = RC_MAP_FLYDVB;
1071                info.addr = 0x0b;
1072                break;
1073        default:
1074                input_dbg("No I2C IR support for board %x\n", dev->board);
1075                return;
1076        }
1077
1078        if (dev->init_data.name)
1079                info.platform_data = &dev->init_data;
1080        i2c_new_device(&dev->i2c_adap, &info);
1081}
1082
1083static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
1084{
1085        struct saa7134_card_ir *ir = dev->remote;
1086        int space;
1087
1088        /* Generate initial event */
1089        saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1090        saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1091        space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
1092        ir_raw_event_store_edge(dev->remote->dev, !space);
1093
1094        return 1;
1095}
1096