drivers/staging/go7007/wis-sony-tuner.c

   1 /*
   2  * Copyright (C) 2005-2006 Micronas USA Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License (Version 2) as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software Foundation,
  15  * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  16  */
  17
  18 #include <linux/module.h>
  19 #include <linux/init.h>
  20 #include <linux/i2c.h>
  21 #include <linux/videodev2.h>
  22 #include <linux/slab.h>
  23 #include <media/tuner.h>
  24 #include <media/v4l2-common.h>
  25 #include <media/v4l2-ioctl.h>
  26
  27 #include "wis-i2c.h"
  28
  29 /* #define MPX_DEBUG */
  30
  31 /* AS(IF/MPX) pin:      LOW      HIGH/OPEN
  32  * IF/MPX address:   0x42/0x40   0x43/0x44
  33  */
  34 #define IF_I2C_ADDR     0x43
  35 #define MPX_I2C_ADDR    0x44
  36
  37 static v4l2_std_id force_band;
  38 static char force_band_str[] = "-";
  39 module_param_string(force_band, force_band_str, sizeof(force_band_str), 0644);
  40 static int force_mpx_mode = -1;
  41 module_param(force_mpx_mode, int, 0644);
  42
  43 /* Store tuner info in the same format as tuner.c, so maybe we can put the
  44  * Sony tuner support in there. */
  45 struct sony_tunertype {
  46         char *name;
  47         unsigned char Vendor; /* unused here */
  48         unsigned char Type; /* unused here */
  49
  50         unsigned short thresh1; /*  band switch VHF_LO <=> VHF_HI */
  51         unsigned short thresh2; /*  band switch VHF_HI <=> UHF */
  52         unsigned char VHF_L;
  53         unsigned char VHF_H;
  54         unsigned char UHF;
  55         unsigned char config;
  56         unsigned short IFPCoff;
  57 };
  58
  59 /* This array is indexed by (tuner_type - 200) */
  60 static struct sony_tunertype sony_tuners[] = {
  61         { "Sony PAL+SECAM (BTF-PG472Z)", 0, 0,
  62           16*144.25, 16*427.25, 0x01, 0x02, 0x04, 0xc6, 623},
  63         { "Sony NTSC_JP (BTF-PK467Z)", 0, 0,
  64           16*220.25, 16*467.25, 0x01, 0x02, 0x04, 0xc6, 940},
  65         { "Sony NTSC (BTF-PB463Z)", 0, 0,
  66           16*130.25, 16*364.25, 0x01, 0x02, 0x04, 0xc6, 732},
  67 };
  68
  69 struct wis_sony_tuner {
  70         int type;
  71         v4l2_std_id std;
  72         unsigned int freq;
  73         int mpxmode;
  74         u32 audmode;
  75 };
  76
  77 /* Basically the same as default_set_tv_freq() in tuner.c */
  78 static int set_freq(struct i2c_client *client, int freq)
  79 {
  80         struct wis_sony_tuner *t = i2c_get_clientdata(client);
  81         char *band_name;
  82         int n;
  83         int band_select;
  84         struct sony_tunertype *tun;
  85         u8 buffer[4];
  86
  87         tun = &sony_tuners[t->type - 200];
  88         if (freq < tun->thresh1) {
  89                 band_name = "VHF_L";
  90                 band_select = tun->VHF_L;
  91         } else if (freq < tun->thresh2) {
  92                 band_name = "VHF_H";
  93                 band_select = tun->VHF_H;
  94         } else {
  95                 band_name = "UHF";
  96                 band_select = tun->UHF;
  97         }
  98         printk(KERN_DEBUG "wis-sony-tuner: tuning to frequency %d.%04d (%s)\n",
  99                         freq / 16, (freq % 16) * 625, band_name);
 100         n = freq + tun->IFPCoff;
 101
 102         buffer[0] = n >> 8;
 103         buffer[1] = n & 0xff;
 104         buffer[2] = tun->config;
 105         buffer[3] = band_select;
 106         i2c_master_send(client, buffer, 4);
 107
 108         return 0;
 109 }
 110
 111 static int mpx_write(struct i2c_client *client, int dev, int addr, int val)
 112 {
 113         u8 buffer[5];
 114         struct i2c_msg msg;
 115
 116         buffer[0] = dev;
 117         buffer[1] = addr >> 8;
 118         buffer[2] = addr & 0xff;
 119         buffer[3] = val >> 8;
 120         buffer[4] = val & 0xff;
 121         msg.addr = MPX_I2C_ADDR;
 122         msg.flags = 0;
 123         msg.len = 5;
 124         msg.buf = buffer;
 125         i2c_transfer(client->adapter, &msg, 1);
 126         return 0;
 127 }
 128
 129 /*
 130  * MPX register values for the BTF-PG472Z:
 131  *
 132  *                                 FM_     NICAM_  SCART_
 133  *          MODUS  SOURCE    ACB   PRESCAL PRESCAL PRESCAL SYSTEM  VOLUME
 134  *         10/0030 12/0008 12/0013 12/000E 12/0010 12/0000 10/0020 12/0000
 135  *         ---------------------------------------------------------------
 136  * Auto     1003    0020    0100    2603    5000    XXXX    0001    7500
 137  *
 138  * B/G
 139  *  Mono    1003    0020    0100    2603    5000    XXXX    0003    7500
 140  *  A2      1003    0020    0100    2601    5000    XXXX    0003    7500
 141  *  NICAM   1003    0120    0100    2603    5000    XXXX    0008    7500
 142  *
 143  * I
 144  *  Mono    1003    0020    0100    2603    7900    XXXX    000A    7500
 145  *  NICAM   1003    0120    0100    2603    7900    XXXX    000A    7500
 146  *
 147  * D/K
 148  *  Mono    1003    0020    0100    2603    5000    XXXX    0004    7500
 149  *  A2-1    1003    0020    0100    2601    5000    XXXX    0004    7500
 150  *  A2-2    1003    0020    0100    2601    5000    XXXX    0005    7500
 151  *  A2-3    1003    0020    0100    2601    5000    XXXX    0007    7500
 152  *  NICAM   1003    0120    0100    2603    5000    XXXX    000B    7500
 153  *
 154  * L/L'
 155  *  Mono    0003    0200    0100    7C03    5000    2200    0009    7500
 156  *  NICAM   0003    0120    0100    7C03    5000    XXXX    0009    7500
 157  *
 158  * M
 159  *  Mono    1003    0200    0100    2B03    5000    2B00    0002    7500
 160  *
 161  * For Asia, replace the 0x26XX in FM_PRESCALE with 0x14XX.
 162  *
 163  * Bilingual selection in A2/NICAM:
 164  *
 165  *         High byte of SOURCE     Left chan   Right chan
 166  *                 0x01              MAIN         SUB
 167  *                 0x03              MAIN         MAIN
 168  *                 0x04              SUB          SUB
 169  *
 170  * Force mono in NICAM by setting the high byte of SOURCE to 0x02 (L/L') or
 171  * 0x00 (all other bands).  Force mono in A2 with FMONO_A2:
 172  *
 173  *                      FMONO_A2
 174  *                      10/0022
 175  *                      --------
 176  *     Forced mono ON     07F0
 177  *     Forced mono OFF    0190
 178  */
 179
 180 static struct {
 181         enum { AUD_MONO, AUD_A2, AUD_NICAM, AUD_NICAM_L } audio_mode;
 182         u16 modus;
 183         u16 source;
 184         u16 acb;
 185         u16 fm_prescale;
 186         u16 nicam_prescale;
 187         u16 scart_prescale;
 188         u16 system;
 189         u16 volume;
 190 } mpx_audio_modes[] = {
 191         /* Auto */      { AUD_MONO,     0x1003, 0x0020, 0x0100, 0x2603,
 192                                         0x5000, 0x0000, 0x0001, 0x7500 },
 193         /* B/G Mono */  { AUD_MONO,     0x1003, 0x0020, 0x0100, 0x2603,
 194                                         0x5000, 0x0000, 0x0003, 0x7500 },
 195         /* B/G A2 */    { AUD_A2,       0x1003, 0x0020, 0x0100, 0x2601,
 196                                         0x5000, 0x0000, 0x0003, 0x7500 },
 197         /* B/G NICAM */ { AUD_NICAM,    0x1003, 0x0120, 0x0100, 0x2603,
 198                                         0x5000, 0x0000, 0x0008, 0x7500 },
 199         /* I Mono */    { AUD_MONO,     0x1003, 0x0020, 0x0100, 0x2603,
 200                                         0x7900, 0x0000, 0x000A, 0x7500 },
 201         /* I NICAM */   { AUD_NICAM,    0x1003, 0x0120, 0x0100, 0x2603,
 202                                         0x7900, 0x0000, 0x000A, 0x7500 },
 203         /* D/K Mono */  { AUD_MONO,     0x1003, 0x0020, 0x0100, 0x2603,
 204                                         0x5000, 0x0000, 0x0004, 0x7500 },
 205         /* D/K A2-1 */  { AUD_A2,       0x1003, 0x0020, 0x0100, 0x2601,
 206                                         0x5000, 0x0000, 0x0004, 0x7500 },
 207         /* D/K A2-2 */  { AUD_A2,       0x1003, 0x0020, 0x0100, 0x2601,
 208                                         0x5000, 0x0000, 0x0005, 0x7500 },
 209         /* D/K A2-3 */  { AUD_A2,       0x1003, 0x0020, 0x0100, 0x2601,
 210                                         0x5000, 0x0000, 0x0007, 0x7500 },
 211         /* D/K NICAM */ { AUD_NICAM,    0x1003, 0x0120, 0x0100, 0x2603,
 212                                         0x5000, 0x0000, 0x000B, 0x7500 },
 213         /* L/L' Mono */ { AUD_MONO,     0x0003, 0x0200, 0x0100, 0x7C03,
 214                                         0x5000, 0x2200, 0x0009, 0x7500 },
 215         /* L/L' NICAM */{ AUD_NICAM_L,  0x0003, 0x0120, 0x0100, 0x7C03,
 216                                         0x5000, 0x0000, 0x0009, 0x7500 },
 217 };
 218
 219 #define MPX_NUM_MODES   ARRAY_SIZE(mpx_audio_modes)
 220
 221 static int mpx_setup(struct i2c_client *client)
 222 {
 223         struct wis_sony_tuner *t = i2c_get_clientdata(client);
 224         u16 source = 0;
 225         u8 buffer[3];
 226         struct i2c_msg msg;
 227
 228         /* reset MPX */
 229         buffer[0] = 0x00;
 230         buffer[1] = 0x80;
 231         buffer[2] = 0x00;
 232         msg.addr = MPX_I2C_ADDR;
 233         msg.flags = 0;
 234         msg.len = 3;
 235         msg.buf = buffer;
 236         i2c_transfer(client->adapter, &msg, 1);
 237         buffer[1] = 0x00;
 238         i2c_transfer(client->adapter, &msg, 1);
 239
 240         if (mpx_audio_modes[t->mpxmode].audio_mode != AUD_MONO) {
 241                 switch (t->audmode) {
 242                 case V4L2_TUNER_MODE_MONO:
 243                         switch (mpx_audio_modes[t->mpxmode].audio_mode) {
 244                         case AUD_A2:
 245                                 source = mpx_audio_modes[t->mpxmode].source;
 246                                 break;
 247                         case AUD_NICAM:
 248                                 source = 0x0000;
 249                                 break;
 250                         case AUD_NICAM_L:
 251                                 source = 0x0200;
 252                                 break;
 253                         default:
 254                                 break;
 255                         }
 256                         break;
 257                 case V4L2_TUNER_MODE_STEREO:
 258                         source = mpx_audio_modes[t->mpxmode].source;
 259                         break;
 260                 case V4L2_TUNER_MODE_LANG1:
 261                         source = 0x0300;
 262                         break;
 263                 case V4L2_TUNER_MODE_LANG2:
 264                         source = 0x0400;
 265                         break;
 266                 }
 267                 source |= mpx_audio_modes[t->mpxmode].source & 0x00ff;
 268         } else
 269                 source = mpx_audio_modes[t->mpxmode].source;
 270
 271         mpx_write(client, 0x10, 0x0030, mpx_audio_modes[t->mpxmode].modus);
 272         mpx_write(client, 0x12, 0x0008, source);
 273         mpx_write(client, 0x12, 0x0013, mpx_audio_modes[t->mpxmode].acb);
 274         mpx_write(client, 0x12, 0x000e,
 275                         mpx_audio_modes[t->mpxmode].fm_prescale);
 276         mpx_write(client, 0x12, 0x0010,
 277                         mpx_audio_modes[t->mpxmode].nicam_prescale);
 278         mpx_write(client, 0x12, 0x000d,
 279                         mpx_audio_modes[t->mpxmode].scart_prescale);
 280         mpx_write(client, 0x10, 0x0020, mpx_audio_modes[t->mpxmode].system);
 281         mpx_write(client, 0x12, 0x0000, mpx_audio_modes[t->mpxmode].volume);
 282         if (mpx_audio_modes[t->mpxmode].audio_mode == AUD_A2)
 283                 mpx_write(client, 0x10, 0x0022,
 284                         t->audmode == V4L2_TUNER_MODE_MONO ?  0x07f0 : 0x0190);
 285
 286 #ifdef MPX_DEBUG
 287         {
 288                 u8 buf1[3], buf2[2];
 289                 struct i2c_msg msgs[2];
 290
 291                 printk(KERN_DEBUG "wis-sony-tuner: MPX registers: %04x %04x "
 292                                 "%04x %04x %04x %04x %04x %04x\n",
 293                                 mpx_audio_modes[t->mpxmode].modus,
 294                                 source,
 295                                 mpx_audio_modes[t->mpxmode].acb,
 296                                 mpx_audio_modes[t->mpxmode].fm_prescale,
 297                                 mpx_audio_modes[t->mpxmode].nicam_prescale,
 298                                 mpx_audio_modes[t->mpxmode].scart_prescale,
 299                                 mpx_audio_modes[t->mpxmode].system,
 300                                 mpx_audio_modes[t->mpxmode].volume);
 301                 buf1[0] = 0x11;
 302                 buf1[1] = 0x00;
 303                 buf1[2] = 0x7e;
 304                 msgs[0].addr = MPX_I2C_ADDR;
 305                 msgs[0].flags = 0;
 306                 msgs[0].len = 3;
 307                 msgs[0].buf = buf1;
 308                 msgs[1].addr = MPX_I2C_ADDR;
 309                 msgs[1].flags = I2C_M_RD;
 310                 msgs[1].len = 2;
 311                 msgs[1].buf = buf2;
 312                 i2c_transfer(client->adapter, msgs, 2);
 313                 printk(KERN_DEBUG "wis-sony-tuner: MPX system: %02x%02x\n",
 314                                 buf2[0], buf2[1]);
 315                 buf1[0] = 0x11;
 316                 buf1[1] = 0x02;
 317                 buf1[2] = 0x00;
 318                 i2c_transfer(client->adapter, msgs, 2);
 319                 printk(KERN_DEBUG "wis-sony-tuner: MPX status: %02x%02x\n",
 320                                 buf2[0], buf2[1]);
 321         }
 322 #endif
 323         return 0;
 324 }
 325
 326 /*
 327  * IF configuration values for the BTF-PG472Z:
 328  *
 329  *      B/G: 0x94 0x70 0x49
 330  *      I:   0x14 0x70 0x4a
 331  *      D/K: 0x14 0x70 0x4b
 332  *      L:   0x04 0x70 0x4b
 333  *      L':  0x44 0x70 0x53
 334  *      M:   0x50 0x30 0x4c
 335  */
 336
 337 static int set_if(struct i2c_client *client)
 338 {
 339         struct wis_sony_tuner *t = i2c_get_clientdata(client);
 340         u8 buffer[4];
 341         struct i2c_msg msg;
 342         int default_mpx_mode = 0;
 343
 344         /* configure IF */
 345         buffer[0] = 0;
 346         if (t->std & V4L2_STD_PAL_BG) {
 347                 buffer[1] = 0x94;
 348                 buffer[2] = 0x70;
 349                 buffer[3] = 0x49;
 350                 default_mpx_mode = 1;
 351         } else if (t->std & V4L2_STD_PAL_I) {
 352                 buffer[1] = 0x14;
 353                 buffer[2] = 0x70;
 354                 buffer[3] = 0x4a;
 355                 default_mpx_mode = 4;
 356         } else if (t->std & V4L2_STD_PAL_DK) {
 357                 buffer[1] = 0x14;
 358                 buffer[2] = 0x70;
 359                 buffer[3] = 0x4b;
 360                 default_mpx_mode = 6;
 361         } else if (t->std & V4L2_STD_SECAM_L) {
 362                 buffer[1] = 0x04;
 363                 buffer[2] = 0x70;
 364                 buffer[3] = 0x4b;
 365                 default_mpx_mode = 11;
 366         }
 367         msg.addr = IF_I2C_ADDR;
 368         msg.flags = 0;
 369         msg.len = 4;
 370         msg.buf = buffer;
 371         i2c_transfer(client->adapter, &msg, 1);
 372
 373         /* Select MPX mode if not forced by the user */
 374         if (force_mpx_mode >= 0 && force_mpx_mode < MPX_NUM_MODES)
 375                 t->mpxmode = force_mpx_mode;
 376         else
 377                 t->mpxmode = default_mpx_mode;
 378         printk(KERN_DEBUG "wis-sony-tuner: setting MPX to mode %d\n",
 379                         t->mpxmode);
 380         mpx_setup(client);
 381
 382         return 0;
 383 }
 384
 385 static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
 386 {
 387         struct wis_sony_tuner *t = i2c_get_clientdata(client);
 388
 389         switch (cmd) {
 390 #if 0
 391 #ifdef TUNER_SET_TYPE_ADDR
 392         case TUNER_SET_TYPE_ADDR:
 393         {
 394                 struct tuner_setup *tun_setup = arg;
 395                 int *type = &tun_setup->type;
 396 #else
 397         case TUNER_SET_TYPE:
 398         {
 399                 int *type = arg;
 400 #endif
 401
 402                 if (t->type >= 0) {
 403                         if (t->type != *type)
 404                                 printk(KERN_ERR "wis-sony-tuner: type already "
 405                                         "set to %d, ignoring request for %d\n",
 406                                         t->type, *type);
 407                         break;
 408                 }
 409                 t->type = *type;
 410                 switch (t->type) {
 411                 case TUNER_SONY_BTF_PG472Z:
 412                         switch (force_band_str[0]) {
 413                         case 'b':
 414                         case 'B':
 415                         case 'g':
 416                         case 'G':
 417                                 printk(KERN_INFO "wis-sony-tuner: forcing "
 418                                                 "tuner to PAL-B/G bands\n");
 419                                 force_band = V4L2_STD_PAL_BG;
 420                                 break;
 421                         case 'i':
 422                         case 'I':
 423                                 printk(KERN_INFO "wis-sony-tuner: forcing "
 424                                                 "tuner to PAL-I band\n");
 425                                 force_band = V4L2_STD_PAL_I;
 426                                 break;
 427                         case 'd':
 428                         case 'D':
 429                         case 'k':
 430                         case 'K':
 431                                 printk(KERN_INFO "wis-sony-tuner: forcing "
 432                                                 "tuner to PAL-D/K bands\n");
 433                                 force_band = V4L2_STD_PAL_I;
 434                                 break;
 435                         case 'l':
 436                         case 'L':
 437                                 printk(KERN_INFO "wis-sony-tuner: forcing "
 438                                                 "tuner to SECAM-L band\n");
 439                                 force_band = V4L2_STD_SECAM_L;
 440                                 break;
 441                         default:
 442                                 force_band = 0;
 443                                 break;
 444                         }
 445                         if (force_band)
 446                                 t->std = force_band;
 447                         else
 448                                 t->std = V4L2_STD_PAL_BG;
 449                         set_if(client);
 450                         break;
 451                 case TUNER_SONY_BTF_PK467Z:
 452                         t->std = V4L2_STD_NTSC_M_JP;
 453                         break;
 454                 case TUNER_SONY_BTF_PB463Z:
 455                         t->std = V4L2_STD_NTSC_M;
 456                         break;
 457                 default:
 458                         printk(KERN_ERR "wis-sony-tuner: tuner type %d is not "
 459                                         "supported by this module\n", *type);
 460                         break;
 461                 }
 462                 if (type >= 0)
 463                         printk(KERN_INFO
 464                                 "wis-sony-tuner: type set to %d (%s)\n",
 465                                 t->type, sony_tuners[t->type - 200].name);
 466                 break;
 467         }
 468 #endif
 469         case VIDIOC_G_FREQUENCY:
 470         {
 471                 struct v4l2_frequency *f = arg;
 472
 473                 f->frequency = t->freq;
 474                 break;
 475         }
 476         case VIDIOC_S_FREQUENCY:
 477         {
 478                 struct v4l2_frequency *f = arg;
 479
 480                 t->freq = f->frequency;
 481                 set_freq(client, t->freq);
 482                 break;
 483         }
 484         case VIDIOC_ENUMSTD:
 485         {
 486                 struct v4l2_standard *std = arg;
 487
 488                 switch (t->type) {
 489                 case TUNER_SONY_BTF_PG472Z:
 490                         switch (std->index) {
 491                         case 0:
 492                                 v4l2_video_std_construct(std,
 493                                                 V4L2_STD_PAL_BG, "PAL-B/G");
 494                                 break;
 495                         case 1:
 496                                 v4l2_video_std_construct(std,
 497                                                 V4L2_STD_PAL_I, "PAL-I");
 498                                 break;
 499                         case 2:
 500                                 v4l2_video_std_construct(std,
 501                                                 V4L2_STD_PAL_DK, "PAL-D/K");
 502                                 break;
 503                         case 3:
 504                                 v4l2_video_std_construct(std,
 505                                                 V4L2_STD_SECAM_L, "SECAM-L");
 506                                 break;
 507                         default:
 508                                 std->id = 0; /* hack to indicate EINVAL */
 509                                 break;
 510                         }
 511                         break;
 512                 case TUNER_SONY_BTF_PK467Z:
 513                         if (std->index != 0) {
 514                                 std->id = 0; /* hack to indicate EINVAL */
 515                                 break;
 516                         }
 517                         v4l2_video_std_construct(std,
 518                                         V4L2_STD_NTSC_M_JP, "NTSC-J");
 519                         break;
 520                 case TUNER_SONY_BTF_PB463Z:
 521                         if (std->index != 0) {
 522                                 std->id = 0; /* hack to indicate EINVAL */
 523                                 break;
 524                         }
 525                         v4l2_video_std_construct(std, V4L2_STD_NTSC_M, "NTSC");
 526                         break;
 527                 }
 528                 break;
 529         }
 530         case VIDIOC_G_STD:
 531         {
 532                 v4l2_std_id *std = arg;
 533
 534                 *std = t->std;
 535                 break;
 536         }
 537         case VIDIOC_S_STD:
 538         {
 539                 v4l2_std_id *std = arg;
 540                 v4l2_std_id old = t->std;
 541
 542                 switch (t->type) {
 543                 case TUNER_SONY_BTF_PG472Z:
 544                         if (force_band && (*std & force_band) != *std &&
 545                                         *std != V4L2_STD_PAL &&
 546                                         *std != V4L2_STD_SECAM) {
 547                                 printk(KERN_DEBUG "wis-sony-tuner: ignoring "
 548                                                 "requested TV standard in "
 549                                                 "favor of force_band value\n");
 550                                 t->std = force_band;
 551                         } else if (*std & V4L2_STD_PAL_BG) { /* default */
 552                                 t->std = V4L2_STD_PAL_BG;
 553                         } else if (*std & V4L2_STD_PAL_I) {
 554                                 t->std = V4L2_STD_PAL_I;
 555                         } else if (*std & V4L2_STD_PAL_DK) {
 556                                 t->std = V4L2_STD_PAL_DK;
 557                         } else if (*std & V4L2_STD_SECAM_L) {
 558                                 t->std = V4L2_STD_SECAM_L;
 559                         } else {
 560                                 printk(KERN_ERR "wis-sony-tuner: TV standard "
 561                                                 "not supported\n");
 562                                 *std = 0; /* hack to indicate EINVAL */
 563                                 break;
 564                         }
 565                         if (old != t->std)
 566                                 set_if(client);
 567                         break;
 568                 case TUNER_SONY_BTF_PK467Z:
 569                         if (!(*std & V4L2_STD_NTSC_M_JP)) {
 570                                 printk(KERN_ERR "wis-sony-tuner: TV standard "
 571                                                 "not supported\n");
 572                                 *std = 0; /* hack to indicate EINVAL */
 573                         }
 574                         break;
 575                 case TUNER_SONY_BTF_PB463Z:
 576                         if (!(*std & V4L2_STD_NTSC_M)) {
 577                                 printk(KERN_ERR "wis-sony-tuner: TV standard "
 578                                                 "not supported\n");
 579                                 *std = 0; /* hack to indicate EINVAL */
 580                         }
 581                         break;
 582                 }
 583                 break;
 584         }
 585         case VIDIOC_QUERYSTD:
 586         {
 587                 v4l2_std_id *std = arg;
 588
 589                 switch (t->type) {
 590                 case TUNER_SONY_BTF_PG472Z:
 591                         if (force_band)
 592                                 *std = force_band;
 593                         else
 594                                 *std = V4L2_STD_PAL_BG | V4L2_STD_PAL_I |
 595                                         V4L2_STD_PAL_DK | V4L2_STD_SECAM_L;
 596                         break;
 597                 case TUNER_SONY_BTF_PK467Z:
 598                         *std = V4L2_STD_NTSC_M_JP;
 599                         break;
 600                 case TUNER_SONY_BTF_PB463Z:
 601                         *std = V4L2_STD_NTSC_M;
 602                         break;
 603                 }
 604                 break;
 605         }
 606         case VIDIOC_G_TUNER:
 607         {
 608                 struct v4l2_tuner *tun = arg;
 609
 610                 memset(tun, 0, sizeof(*tun));
 611                 strcpy(tun->name, "Television");
 612                 tun->type = V4L2_TUNER_ANALOG_TV;
 613                 tun->rangelow = 0UL; /* does anything use these? */
 614                 tun->rangehigh = 0xffffffffUL;
 615                 switch (t->type) {
 616                 case TUNER_SONY_BTF_PG472Z:
 617                         tun->capability = V4L2_TUNER_CAP_NORM |
 618                                 V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
 619                                 V4L2_TUNER_CAP_LANG2;
 620                         tun->rxsubchans = V4L2_TUNER_SUB_MONO |
 621                                 V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 |
 622                                 V4L2_TUNER_SUB_LANG2;
 623                         break;
 624                 case TUNER_SONY_BTF_PK467Z:
 625                 case TUNER_SONY_BTF_PB463Z:
 626                         tun->capability = V4L2_TUNER_CAP_STEREO;
 627                         tun->rxsubchans = V4L2_TUNER_SUB_MONO |
 628                                                 V4L2_TUNER_SUB_STEREO;
 629                         break;
 630                 }
 631                 tun->audmode = t->audmode;
 632                 return 0;
 633         }
 634         case VIDIOC_S_TUNER:
 635         {
 636                 struct v4l2_tuner *tun = arg;
 637
 638                 switch (t->type) {
 639                 case TUNER_SONY_BTF_PG472Z:
 640                         if (tun->audmode != t->audmode) {
 641                                 t->audmode = tun->audmode;
 642                                 mpx_setup(client);
 643                         }
 644                         break;
 645                 case TUNER_SONY_BTF_PK467Z:
 646                 case TUNER_SONY_BTF_PB463Z:
 647                         break;
 648                 }
 649                 return 0;
 650         }
 651         default:
 652                 break;
 653         }
 654         return 0;
 655 }
 656
 657 static int wis_sony_tuner_probe(struct i2c_client *client,
 658                                 const struct i2c_device_id *id)
 659 {
 660         struct i2c_adapter *adapter = client->adapter;
 661         struct wis_sony_tuner *t;
 662
 663         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_I2C_BLOCK))
 664                 return -ENODEV;
 665
 666         t = kmalloc(sizeof(struct wis_sony_tuner), GFP_KERNEL);
 667         if (t == NULL)
 668                 return -ENOMEM;
 669
 670         t->type = -1;
 671         t->freq = 0;
 672         t->mpxmode = 0;
 673         t->audmode = V4L2_TUNER_MODE_STEREO;
 674         i2c_set_clientdata(client, t);
 675
 676         printk(KERN_DEBUG
 677                 "wis-sony-tuner: initializing tuner at address %d on %s\n",
 678                 client->addr, adapter->name);
 679
 680         return 0;
 681 }
 682
 683 static int wis_sony_tuner_remove(struct i2c_client *client)
 684 {
 685         struct wis_sony_tuner *t = i2c_get_clientdata(client);
 686
 687         kfree(t);
 688         return 0;
 689 }
 690
 691 static const struct i2c_device_id wis_sony_tuner_id[] = {
 692         { "wis_sony_tuner", 0 },
 693         { }
 694 };
 695
 696 static struct i2c_driver wis_sony_tuner_driver = {
 697         .driver = {
 698                 .name   = "WIS Sony TV Tuner I2C driver",
 699         },
 700         .probe          = wis_sony_tuner_probe,
 701         .remove         = wis_sony_tuner_remove,
 702         .command        = tuner_command,
 703         .id_table       = wis_sony_tuner_id,
 704 };
 705
 706 static int __init wis_sony_tuner_init(void)
 707 {
 708         return i2c_add_driver(&wis_sony_tuner_driver);
 709 }
 710
 711 static void __exit wis_sony_tuner_cleanup(void)
 712 {
 713         i2c_del_driver(&wis_sony_tuner_driver);
 714 }
 715
 716 module_init(wis_sony_tuner_init);
 717 module_exit(wis_sony_tuner_cleanup);
 718
 719 MODULE_LICENSE("GPL v2");