git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/tvp5150.c

   1 /*
   2  * tvp5150 - Texas Instruments TVP5150A/AM1 video decoder driver
   3  *
   4  * Copyright (c) 2005,2006 Mauro Carvalho Chehab (mchehab@infradead.org)
   5  * This code is placed under the terms of the GNU General Public License v2
   6  */
   7
   8 #include <linux/i2c.h>
   9 #include <linux/videodev.h>
  10 #include <linux/delay.h>
  11 #include <linux/video_decoder.h>
  12 #include <media/v4l2-common.h>
  13 #include <media/tvp5150.h>
  14
  15 #include "tvp5150_reg.h"
  16
  17 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
  18 MODULE_AUTHOR("Mauro Carvalho Chehab");
  19 MODULE_LICENSE("GPL");
  20
  21 /* standard i2c insmod options */
  22 static unsigned short normal_i2c[] = {
  23         0xb8 >> 1,
  24         0xba >> 1,
  25         I2C_CLIENT_END
  26 };
  27
  28 I2C_CLIENT_INSMOD;
  29
  30 static int debug = 0;
  31 module_param(debug, int, 0);
  32 MODULE_PARM_DESC(debug, "Debug level (0-1)");
  33
  34 #define tvp5150_err(fmt, arg...) do { \
  35         printk(KERN_ERR "%s %d-%04x: " fmt, c->driver->driver.name, \
  36                i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)
  37 #define tvp5150_info(fmt, arg...) do { \
  38         printk(KERN_INFO "%s %d-%04x: " fmt, c->driver->driver.name, \
  39                i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)
  40 #define tvp5150_dbg(num, fmt, arg...) \
  41         do { \
  42                 if (debug >= num) \
  43                         printk(KERN_DEBUG "%s debug %d-%04x: " fmt,\
  44                                 c->driver->driver.name, \
  45                                 i2c_adapter_id(c->adapter), \
  46                                 c->addr , ## arg); } while (0)
  47
  48 /* supported controls */
  49 static struct v4l2_queryctrl tvp5150_qctrl[] = {
  50         {
  51                 .id = V4L2_CID_BRIGHTNESS,
  52                 .type = V4L2_CTRL_TYPE_INTEGER,
  53                 .name = "Brightness",
  54                 .minimum = 0,
  55                 .maximum = 255,
  56                 .step = 1,
  57                 .default_value = 128,
  58                 .flags = 0,
  59         }, {
  60                 .id = V4L2_CID_CONTRAST,
  61                 .type = V4L2_CTRL_TYPE_INTEGER,
  62                 .name = "Contrast",
  63                 .minimum = 0,
  64                 .maximum = 255,
  65                 .step = 0x1,
  66                 .default_value = 128,
  67                 .flags = 0,
  68         }, {
  69                  .id = V4L2_CID_SATURATION,
  70                  .type = V4L2_CTRL_TYPE_INTEGER,
  71                  .name = "Saturation",
  72                  .minimum = 0,
  73                  .maximum = 255,
  74                  .step = 0x1,
  75                  .default_value = 128,
  76                  .flags = 0,
  77         }, {
  78                 .id = V4L2_CID_HUE,
  79                 .type = V4L2_CTRL_TYPE_INTEGER,
  80                 .name = "Hue",
  81                 .minimum = -128,
  82                 .maximum = 127,
  83                 .step = 0x1,
  84                 .default_value = 0,
  85                 .flags = 0,
  86         }
  87 };
  88
  89 struct tvp5150 {
  90         struct i2c_client *client;
  91
  92         v4l2_std_id norm;       /* Current set standard */
  93         struct v4l2_routing route;
  94         int enable;
  95         int bright;
  96         int contrast;
  97         int hue;
  98         int sat;
  99 };
 100
 101 static int tvp5150_read(struct i2c_client *c, unsigned char addr)
 102 {
 103         unsigned char buffer[1];
 104         int rc;
 105
 106         buffer[0] = addr;
 107         if (1 != (rc = i2c_master_send(c, buffer, 1)))
 108                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
 109
 110         msleep(10);
 111
 112         if (1 != (rc = i2c_master_recv(c, buffer, 1)))
 113                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
 114
 115         tvp5150_dbg(2, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
 116
 117         return (buffer[0]);
 118 }
 119
 120 static inline void tvp5150_write(struct i2c_client *c, unsigned char addr,
 121                                  unsigned char value)
 122 {
 123         unsigned char buffer[2];
 124         int rc;
 125
 126         buffer[0] = addr;
 127         buffer[1] = value;
 128         tvp5150_dbg(2, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
 129         if (2 != (rc = i2c_master_send(c, buffer, 2)))
 130                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 2)\n", rc);
 131 }
 132
 133 static void dump_reg_range(struct i2c_client *c, char *s, u8 init, const u8 end,int max_line)
 134 {
 135         int i=0;
 136
 137         while (init!=(u8)(end+1)) {
 138                 if ((i%max_line) == 0) {
 139                         if (i>0)
 140                                 printk("\n");
 141                         printk("tvp5150: %s reg 0x%02x = ",s,init);
 142                 }
 143                 printk("%02x ",tvp5150_read(c, init));
 144
 145                 init++;
 146                 i++;
 147         }
 148         printk("\n");
 149 }
 150
 151 static void dump_reg(struct i2c_client *c)
 152 {
 153         printk("tvp5150: Video input source selection #1 = 0x%02x\n",
 154                                         tvp5150_read(c, TVP5150_VD_IN_SRC_SEL_1));
 155         printk("tvp5150: Analog channel controls = 0x%02x\n",
 156                                         tvp5150_read(c, TVP5150_ANAL_CHL_CTL));
 157         printk("tvp5150: Operation mode controls = 0x%02x\n",
 158                                         tvp5150_read(c, TVP5150_OP_MODE_CTL));
 159         printk("tvp5150: Miscellaneous controls = 0x%02x\n",
 160                                         tvp5150_read(c, TVP5150_MISC_CTL));
 161         printk("tvp5150: Autoswitch mask= 0x%02x\n",
 162                                         tvp5150_read(c, TVP5150_AUTOSW_MSK));
 163         printk("tvp5150: Color killer threshold control = 0x%02x\n",
 164                                         tvp5150_read(c, TVP5150_COLOR_KIL_THSH_CTL));
 165         printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
 166                                         tvp5150_read(c, TVP5150_LUMA_PROC_CTL_1),
 167                                         tvp5150_read(c, TVP5150_LUMA_PROC_CTL_2),
 168                                         tvp5150_read(c, TVP5150_LUMA_PROC_CTL_3));
 169         printk("tvp5150: Brightness control = 0x%02x\n",
 170                                         tvp5150_read(c, TVP5150_BRIGHT_CTL));
 171         printk("tvp5150: Color saturation control = 0x%02x\n",
 172                                         tvp5150_read(c, TVP5150_SATURATION_CTL));
 173         printk("tvp5150: Hue control = 0x%02x\n",
 174                                         tvp5150_read(c, TVP5150_HUE_CTL));
 175         printk("tvp5150: Contrast control = 0x%02x\n",
 176                                         tvp5150_read(c, TVP5150_CONTRAST_CTL));
 177         printk("tvp5150: Outputs and data rates select = 0x%02x\n",
 178                                         tvp5150_read(c, TVP5150_DATA_RATE_SEL));
 179         printk("tvp5150: Configuration shared pins = 0x%02x\n",
 180                                         tvp5150_read(c, TVP5150_CONF_SHARED_PIN));
 181         printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
 182                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_MSB),
 183                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_LSB));
 184         printk("tvp5150: Active video cropping stop  = 0x%02x%02x\n",
 185                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_MSB),
 186                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_LSB));
 187         printk("tvp5150: Genlock/RTC = 0x%02x\n",
 188                                         tvp5150_read(c, TVP5150_GENLOCK));
 189         printk("tvp5150: Horizontal sync start = 0x%02x\n",
 190                                         tvp5150_read(c, TVP5150_HORIZ_SYNC_START));
 191         printk("tvp5150: Vertical blanking start = 0x%02x\n",
 192                                         tvp5150_read(c, TVP5150_VERT_BLANKING_START));
 193         printk("tvp5150: Vertical blanking stop = 0x%02x\n",
 194                                         tvp5150_read(c, TVP5150_VERT_BLANKING_STOP));
 195         printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
 196                                         tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_1),
 197                                         tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_2));
 198         printk("tvp5150: Interrupt reset register B = 0x%02x\n",
 199                                         tvp5150_read(c, TVP5150_INT_RESET_REG_B));
 200         printk("tvp5150: Interrupt enable register B = 0x%02x\n",
 201                                         tvp5150_read(c, TVP5150_INT_ENABLE_REG_B));
 202         printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
 203                                         tvp5150_read(c, TVP5150_INTT_CONFIG_REG_B));
 204         printk("tvp5150: Video standard = 0x%02x\n",
 205                                         tvp5150_read(c, TVP5150_VIDEO_STD));
 206         printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
 207                                         tvp5150_read(c, TVP5150_CB_GAIN_FACT),
 208                                         tvp5150_read(c, TVP5150_CR_GAIN_FACTOR));
 209         printk("tvp5150: Macrovision on counter = 0x%02x\n",
 210                                         tvp5150_read(c, TVP5150_MACROVISION_ON_CTR));
 211         printk("tvp5150: Macrovision off counter = 0x%02x\n",
 212                                         tvp5150_read(c, TVP5150_MACROVISION_OFF_CTR));
 213         printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
 214                                         (tvp5150_read(c, TVP5150_REV_SELECT)&1)?3:4);
 215         printk("tvp5150: Device ID = %02x%02x\n",
 216                                         tvp5150_read(c, TVP5150_MSB_DEV_ID),
 217                                         tvp5150_read(c, TVP5150_LSB_DEV_ID));
 218         printk("tvp5150: ROM version = (hex) %02x.%02x\n",
 219                                         tvp5150_read(c, TVP5150_ROM_MAJOR_VER),
 220                                         tvp5150_read(c, TVP5150_ROM_MINOR_VER));
 221         printk("tvp5150: Vertical line count = 0x%02x%02x\n",
 222                                         tvp5150_read(c, TVP5150_VERT_LN_COUNT_MSB),
 223                                         tvp5150_read(c, TVP5150_VERT_LN_COUNT_LSB));
 224         printk("tvp5150: Interrupt status register B = 0x%02x\n",
 225                                         tvp5150_read(c, TVP5150_INT_STATUS_REG_B));
 226         printk("tvp5150: Interrupt active register B = 0x%02x\n",
 227                                         tvp5150_read(c, TVP5150_INT_ACTIVE_REG_B));
 228         printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
 229                                         tvp5150_read(c, TVP5150_STATUS_REG_1),
 230                                         tvp5150_read(c, TVP5150_STATUS_REG_2),
 231                                         tvp5150_read(c, TVP5150_STATUS_REG_3),
 232                                         tvp5150_read(c, TVP5150_STATUS_REG_4),
 233                                         tvp5150_read(c, TVP5150_STATUS_REG_5));
 234
 235         dump_reg_range(c,"Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
 236                                                 TVP5150_TELETEXT_FIL1_END,8);
 237         dump_reg_range(c,"Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
 238                                                 TVP5150_TELETEXT_FIL2_END,8);
 239
 240         printk("tvp5150: Teletext filter enable = 0x%02x\n",
 241                                         tvp5150_read(c, TVP5150_TELETEXT_FIL_ENA));
 242         printk("tvp5150: Interrupt status register A = 0x%02x\n",
 243                                         tvp5150_read(c, TVP5150_INT_STATUS_REG_A));
 244         printk("tvp5150: Interrupt enable register A = 0x%02x\n",
 245                                         tvp5150_read(c, TVP5150_INT_ENABLE_REG_A));
 246         printk("tvp5150: Interrupt configuration = 0x%02x\n",
 247                                         tvp5150_read(c, TVP5150_INT_CONF));
 248         printk("tvp5150: VDP status register = 0x%02x\n",
 249                                         tvp5150_read(c, TVP5150_VDP_STATUS_REG));
 250         printk("tvp5150: FIFO word count = 0x%02x\n",
 251                                         tvp5150_read(c, TVP5150_FIFO_WORD_COUNT));
 252         printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
 253                                         tvp5150_read(c, TVP5150_FIFO_INT_THRESHOLD));
 254         printk("tvp5150: FIFO reset = 0x%02x\n",
 255                                         tvp5150_read(c, TVP5150_FIFO_RESET));
 256         printk("tvp5150: Line number interrupt = 0x%02x\n",
 257                                         tvp5150_read(c, TVP5150_LINE_NUMBER_INT));
 258         printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
 259                                         tvp5150_read(c, TVP5150_PIX_ALIGN_REG_HIGH),
 260                                         tvp5150_read(c, TVP5150_PIX_ALIGN_REG_LOW));
 261         printk("tvp5150: FIFO output control = 0x%02x\n",
 262                                         tvp5150_read(c, TVP5150_FIFO_OUT_CTRL));
 263         printk("tvp5150: Full field enable = 0x%02x\n",
 264                                         tvp5150_read(c, TVP5150_FULL_FIELD_ENA));
 265         printk("tvp5150: Full field mode register = 0x%02x\n",
 266                                         tvp5150_read(c, TVP5150_FULL_FIELD_MODE_REG));
 267
 268         dump_reg_range(c,"CC   data",   TVP5150_CC_DATA_INI,
 269                                         TVP5150_CC_DATA_END,8);
 270
 271         dump_reg_range(c,"WSS  data",   TVP5150_WSS_DATA_INI,
 272                                         TVP5150_WSS_DATA_END,8);
 273
 274         dump_reg_range(c,"VPS  data",   TVP5150_VPS_DATA_INI,
 275                                         TVP5150_VPS_DATA_END,8);
 276
 277         dump_reg_range(c,"VITC data",   TVP5150_VITC_DATA_INI,
 278                                         TVP5150_VITC_DATA_END,10);
 279
 280         dump_reg_range(c,"Line mode",   TVP5150_LINE_MODE_INI,
 281                                         TVP5150_LINE_MODE_END,8);
 282 }
 283
 284 /****************************************************************************
 285                         Basic functions
 286  ****************************************************************************/
 287
 288 static inline void tvp5150_selmux(struct i2c_client *c)
 289 {
 290         int opmode=0;
 291         struct tvp5150 *decoder = i2c_get_clientdata(c);
 292         int input = 0;
 293
 294         if ((decoder->route.output & TVP5150_BLACK_SCREEN) || !decoder->enable)
 295                 input = 8;
 296
 297         switch (decoder->route.input) {
 298         case TVP5150_COMPOSITE1:
 299                 input |= 2;
 300                 /* fall through */
 301         case TVP5150_COMPOSITE0:
 302                 opmode=0x30;            /* TV Mode */
 303                 break;
 304         case TVP5150_SVIDEO:
 305         default:
 306                 input |= 1;
 307                 opmode=0;               /* Auto Mode */
 308                 break;
 309         }
 310
 311         tvp5150_dbg( 1, "Selecting video route: route input=%i, output=%i "
 312                         "=> tvp5150 input=%i, opmode=%i\n",
 313                         decoder->route.input,decoder->route.output,
 314                         input, opmode );
 315
 316         tvp5150_write(c, TVP5150_OP_MODE_CTL, opmode);
 317         tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input);
 318 };
 319
 320 struct i2c_reg_value {
 321         unsigned char reg;
 322         unsigned char value;
 323 };
 324
 325 /* Default values as sugested at TVP5150AM1 datasheet */
 326 static const struct i2c_reg_value tvp5150_init_default[] = {
 327         { /* 0x00 */
 328                 TVP5150_VD_IN_SRC_SEL_1,0x00
 329         },
 330         { /* 0x01 */
 331                 TVP5150_ANAL_CHL_CTL,0x15
 332         },
 333         { /* 0x02 */
 334                 TVP5150_OP_MODE_CTL,0x00
 335         },
 336         { /* 0x03 */
 337                 TVP5150_MISC_CTL,0x01
 338         },
 339         { /* 0x06 */
 340                 TVP5150_COLOR_KIL_THSH_CTL,0x10
 341         },
 342         { /* 0x07 */
 343                 TVP5150_LUMA_PROC_CTL_1,0x60
 344         },
 345         { /* 0x08 */
 346                 TVP5150_LUMA_PROC_CTL_2,0x00
 347         },
 348         { /* 0x09 */
 349                 TVP5150_BRIGHT_CTL,0x80
 350         },
 351         { /* 0x0a */
 352                 TVP5150_SATURATION_CTL,0x80
 353         },
 354         { /* 0x0b */
 355                 TVP5150_HUE_CTL,0x00
 356         },
 357         { /* 0x0c */
 358                 TVP5150_CONTRAST_CTL,0x80
 359         },
 360         { /* 0x0d */
 361                 TVP5150_DATA_RATE_SEL,0x47
 362         },
 363         { /* 0x0e */
 364                 TVP5150_LUMA_PROC_CTL_3,0x00
 365         },
 366         { /* 0x0f */
 367                 TVP5150_CONF_SHARED_PIN,0x08
 368         },
 369         { /* 0x11 */
 370                 TVP5150_ACT_VD_CROP_ST_MSB,0x00
 371         },
 372         { /* 0x12 */
 373                 TVP5150_ACT_VD_CROP_ST_LSB,0x00
 374         },
 375         { /* 0x13 */
 376                 TVP5150_ACT_VD_CROP_STP_MSB,0x00
 377         },
 378         { /* 0x14 */
 379                 TVP5150_ACT_VD_CROP_STP_LSB,0x00
 380         },
 381         { /* 0x15 */
 382                 TVP5150_GENLOCK,0x01
 383         },
 384         { /* 0x16 */
 385                 TVP5150_HORIZ_SYNC_START,0x80
 386         },
 387         { /* 0x18 */
 388                 TVP5150_VERT_BLANKING_START,0x00
 389         },
 390         { /* 0x19 */
 391                 TVP5150_VERT_BLANKING_STOP,0x00
 392         },
 393         { /* 0x1a */
 394                 TVP5150_CHROMA_PROC_CTL_1,0x0c
 395         },
 396         { /* 0x1b */
 397                 TVP5150_CHROMA_PROC_CTL_2,0x14
 398         },
 399         { /* 0x1c */
 400                 TVP5150_INT_RESET_REG_B,0x00
 401         },
 402         { /* 0x1d */
 403                 TVP5150_INT_ENABLE_REG_B,0x00
 404         },
 405         { /* 0x1e */
 406                 TVP5150_INTT_CONFIG_REG_B,0x00
 407         },
 408         { /* 0x28 */
 409                 TVP5150_VIDEO_STD,0x00
 410         },
 411         { /* 0x2e */
 412                 TVP5150_MACROVISION_ON_CTR,0x0f
 413         },
 414         { /* 0x2f */
 415                 TVP5150_MACROVISION_OFF_CTR,0x01
 416         },
 417         { /* 0xbb */
 418                 TVP5150_TELETEXT_FIL_ENA,0x00
 419         },
 420         { /* 0xc0 */
 421                 TVP5150_INT_STATUS_REG_A,0x00
 422         },
 423         { /* 0xc1 */
 424                 TVP5150_INT_ENABLE_REG_A,0x00
 425         },
 426         { /* 0xc2 */
 427                 TVP5150_INT_CONF,0x04
 428         },
 429         { /* 0xc8 */
 430                 TVP5150_FIFO_INT_THRESHOLD,0x80
 431         },
 432         { /* 0xc9 */
 433                 TVP5150_FIFO_RESET,0x00
 434         },
 435         { /* 0xca */
 436                 TVP5150_LINE_NUMBER_INT,0x00
 437         },
 438         { /* 0xcb */
 439                 TVP5150_PIX_ALIGN_REG_LOW,0x4e
 440         },
 441         { /* 0xcc */
 442                 TVP5150_PIX_ALIGN_REG_HIGH,0x00
 443         },
 444         { /* 0xcd */
 445                 TVP5150_FIFO_OUT_CTRL,0x01
 446         },
 447         { /* 0xcf */
 448                 TVP5150_FULL_FIELD_ENA,0x00
 449         },
 450         { /* 0xd0 */
 451                 TVP5150_LINE_MODE_INI,0x00
 452         },
 453         { /* 0xfc */
 454                 TVP5150_FULL_FIELD_MODE_REG,0x7f
 455         },
 456         { /* end of data */
 457                 0xff,0xff
 458         }
 459 };
 460
 461 /* Default values as sugested at TVP5150AM1 datasheet */
 462 static const struct i2c_reg_value tvp5150_init_enable[] = {
 463         {
 464                 TVP5150_CONF_SHARED_PIN, 2
 465         },{     /* Automatic offset and AGC enabled */
 466                 TVP5150_ANAL_CHL_CTL, 0x15
 467         },{     /* Activate YCrCb output 0x9 or 0xd ? */
 468                 TVP5150_MISC_CTL, 0x6f
 469         },{     /* Activates video std autodetection for all standards */
 470                 TVP5150_AUTOSW_MSK, 0x0
 471         },{     /* Default format: 0x47. For 4:2:2: 0x40 */
 472                 TVP5150_DATA_RATE_SEL, 0x47
 473         },{
 474                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 475         },{
 476                 TVP5150_CHROMA_PROC_CTL_2, 0x54
 477         },{     /* Non documented, but initialized on WinTV USB2 */
 478                 0x27, 0x20
 479         },{
 480                 0xff,0xff
 481         }
 482 };
 483
 484 struct tvp5150_vbi_type {
 485         unsigned int vbi_type;
 486         unsigned int ini_line;
 487         unsigned int end_line;
 488         unsigned int by_field :1;
 489 };
 490
 491 struct i2c_vbi_ram_value {
 492         u16 reg;
 493         struct tvp5150_vbi_type type;
 494         unsigned char values[16];
 495 };
 496
 497 /* This struct have the values for each supported VBI Standard
 498  * by
 499  tvp5150_vbi_types should follow the same order as vbi_ram_default
 500  * value 0 means rom position 0x10, value 1 means rom position 0x30
 501  * and so on. There are 16 possible locations from 0 to 15.
 502  */
 503
 504 static struct i2c_vbi_ram_value vbi_ram_default[] =
 505 {
 506         /* FIXME: Current api doesn't handle all VBI types, those not
 507            yet supported are placed under #if 0 */
 508 #if 0
 509         {0x010, /* Teletext, SECAM, WST System A */
 510                 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
 511                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 512                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 513         },
 514 #endif
 515         {0x030, /* Teletext, PAL, WST System B */
 516                 {V4L2_SLICED_TELETEXT_B,6,22,1},
 517                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 518                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 519         },
 520 #if 0
 521         {0x050, /* Teletext, PAL, WST System C */
 522                 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
 523                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 524                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 525         },
 526         {0x070, /* Teletext, NTSC, WST System B */
 527                 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
 528                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 529                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 530         },
 531         {0x090, /* Tetetext, NTSC NABTS System C */
 532                 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
 533                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 534                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 535         },
 536         {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 537                 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
 538                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 539                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 540         },
 541         {0x0d0, /* Closed Caption, PAL/SECAM */
 542                 {V4L2_SLICED_CAPTION_625,22,22,1},
 543                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 544                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 545         },
 546 #endif
 547         {0x0f0, /* Closed Caption, NTSC */
 548                 {V4L2_SLICED_CAPTION_525,21,21,1},
 549                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 550                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 551         },
 552         {0x110, /* Wide Screen Signal, PAL/SECAM */
 553                 {V4L2_SLICED_WSS_625,23,23,1},
 554                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 555                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 556         },
 557 #if 0
 558         {0x130, /* Wide Screen Signal, NTSC C */
 559                 {V4L2_SLICED_WSS_525,20,20,1},
 560                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 561                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 562         },
 563         {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 564                 {V4l2_SLICED_VITC_625,6,22,0},
 565                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 566                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 567         },
 568         {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 569                 {V4l2_SLICED_VITC_525,10,20,0},
 570                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 571                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 572         },
 573 #endif
 574         {0x190, /* Video Program System (VPS), PAL */
 575                 {V4L2_SLICED_VPS,16,16,0},
 576                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 577                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 578         },
 579         /* 0x1d0 User programmable */
 580
 581         /* End of struct */
 582         { (u16)-1 }
 583 };
 584
 585 static int tvp5150_write_inittab(struct i2c_client *c,
 586                                 const struct i2c_reg_value *regs)
 587 {
 588         while (regs->reg != 0xff) {
 589                 tvp5150_write(c, regs->reg, regs->value);
 590                 regs++;
 591         }
 592         return 0;
 593 }
 594
 595 static int tvp5150_vdp_init(struct i2c_client *c,
 596                                 const struct i2c_vbi_ram_value *regs)
 597 {
 598         unsigned int i;
 599
 600         /* Disable Full Field */
 601         tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
 602
 603         /* Before programming, Line mode should be at 0xff */
 604         for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
 605                 tvp5150_write(c, i, 0xff);
 606
 607         /* Load Ram Table */
 608         while (regs->reg != (u16)-1 ) {
 609                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_HIGH,regs->reg>>8);
 610                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_LOW,regs->reg);
 611
 612                 for (i=0;i<16;i++)
 613                         tvp5150_write(c, TVP5150_VDP_CONF_RAM_DATA,regs->values[i]);
 614
 615                 regs++;
 616         }
 617         return 0;
 618 }
 619
 620 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 621 static void tvp5150_vbi_get_cap(const struct i2c_vbi_ram_value *regs,
 622                                 struct v4l2_sliced_vbi_cap *cap)
 623 {
 624         int line;
 625
 626         memset(cap, 0, sizeof *cap);
 627
 628         while (regs->reg != (u16)-1 ) {
 629                 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
 630                         cap->service_lines[0][line] |= regs->type.vbi_type;
 631                 }
 632                 cap->service_set |= regs->type.vbi_type;
 633
 634                 regs++;
 635         }
 636 }
 637
 638 /* Set vbi processing
 639  * type - one of tvp5150_vbi_types
 640  * line - line to gather data
 641  * fields: bit 0 field1, bit 1, field2
 642  * flags (default=0xf0) is a bitmask, were set means:
 643  *      bit 7: enable filtering null bytes on CC
 644  *      bit 6: send data also to FIFO
 645  *      bit 5: don't allow data with errors on FIFO
 646  *      bit 4: enable ECC when possible
 647  * pix_align = pix alignment:
 648  *      LSB = field1
 649  *      MSB = field2
 650  */
 651 static int tvp5150_set_vbi(struct i2c_client *c,
 652                         const struct i2c_vbi_ram_value *regs,
 653                         unsigned int type,u8 flags, int line,
 654                         const int fields)
 655 {
 656         struct tvp5150 *decoder = i2c_get_clientdata(c);
 657         v4l2_std_id std=decoder->norm;
 658         u8 reg;
 659         int pos=0;
 660
 661         if (std == V4L2_STD_ALL) {
 662                 tvp5150_err("VBI can't be configured without knowing number of lines\n");
 663                 return 0;
 664         } else if (std && V4L2_STD_625_50) {
 665                 /* Don't follow NTSC Line number convension */
 666                 line += 3;
 667         }
 668
 669         if (line<6||line>27)
 670                 return 0;
 671
 672         while (regs->reg != (u16)-1 ) {
 673                 if ((type & regs->type.vbi_type) &&
 674                     (line>=regs->type.ini_line) &&
 675                     (line<=regs->type.end_line)) {
 676                         type=regs->type.vbi_type;
 677                         break;
 678                 }
 679
 680                 regs++;
 681                 pos++;
 682         }
 683         if (regs->reg == (u16)-1)
 684                 return 0;
 685
 686         type=pos | (flags & 0xf0);
 687         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 688
 689         if (fields&1) {
 690                 tvp5150_write(c, reg, type);
 691         }
 692
 693         if (fields&2) {
 694                 tvp5150_write(c, reg+1, type);
 695         }
 696
 697         return type;
 698 }
 699
 700 static int tvp5150_get_vbi(struct i2c_client *c,
 701                         const struct i2c_vbi_ram_value *regs, int line)
 702 {
 703         struct tvp5150 *decoder = i2c_get_clientdata(c);
 704         v4l2_std_id std=decoder->norm;
 705         u8 reg;
 706         int pos, type=0;
 707
 708         if (std == V4L2_STD_ALL) {
 709                 tvp5150_err("VBI can't be configured without knowing number of lines\n");
 710                 return 0;
 711         } else if (std && V4L2_STD_625_50) {
 712                 /* Don't follow NTSC Line number convension */
 713                 line += 3;
 714         }
 715
 716         if (line<6||line>27)
 717                 return 0;
 718
 719         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 720
 721         pos=tvp5150_read(c, reg)&0x0f;
 722         if (pos<0x0f)
 723                 type=regs[pos].type.vbi_type;
 724
 725         pos=tvp5150_read(c, reg+1)&0x0f;
 726         if (pos<0x0f)
 727                 type|=regs[pos].type.vbi_type;
 728
 729         return type;
 730 }
 731 static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)
 732 {
 733         struct tvp5150 *decoder = i2c_get_clientdata(c);
 734         int fmt=0;
 735
 736         decoder->norm=std;
 737
 738         /* First tests should be against specific std */
 739
 740         if (std == V4L2_STD_ALL) {
 741                 fmt=0;  /* Autodetect mode */
 742         } else if (std & V4L2_STD_NTSC_443) {
 743                 fmt=0xa;
 744         } else if (std & V4L2_STD_PAL_M) {
 745                 fmt=0x6;
 746         } else if (std & (V4L2_STD_PAL_N| V4L2_STD_PAL_Nc)) {
 747                 fmt=0x8;
 748         } else {
 749                 /* Then, test against generic ones */
 750                 if (std & V4L2_STD_NTSC) {
 751                         fmt=0x2;
 752                 } else if (std & V4L2_STD_PAL) {
 753                         fmt=0x4;
 754                 } else if (std & V4L2_STD_SECAM) {
 755                         fmt=0xc;
 756                 }
 757         }
 758
 759         tvp5150_dbg(1,"Set video std register to %d.\n",fmt);
 760         tvp5150_write(c, TVP5150_VIDEO_STD, fmt);
 761
 762         return 0;
 763 }
 764
 765 static inline void tvp5150_reset(struct i2c_client *c)
 766 {
 767         u8 msb_id, lsb_id, msb_rom, lsb_rom;
 768         struct tvp5150 *decoder = i2c_get_clientdata(c);
 769
 770         msb_id=tvp5150_read(c,TVP5150_MSB_DEV_ID);
 771         lsb_id=tvp5150_read(c,TVP5150_LSB_DEV_ID);
 772         msb_rom=tvp5150_read(c,TVP5150_ROM_MAJOR_VER);
 773         lsb_rom=tvp5150_read(c,TVP5150_ROM_MINOR_VER);
 774
 775         if ((msb_rom==4)&&(lsb_rom==0)) { /* Is TVP5150AM1 */
 776                 tvp5150_info("tvp%02x%02xam1 detected.\n",msb_id, lsb_id);
 777
 778                 /* ITU-T BT.656.4 timing */
 779                 tvp5150_write(c,TVP5150_REV_SELECT,0);
 780         } else {
 781                 if ((msb_rom==3)||(lsb_rom==0x21)) { /* Is TVP5150A */
 782                         tvp5150_info("tvp%02x%02xa detected.\n",msb_id, lsb_id);
 783                 } else {
 784                         tvp5150_info("*** unknown tvp%02x%02x chip detected.\n",msb_id,lsb_id);
 785                         tvp5150_info("*** Rom ver is %d.%d\n",msb_rom,lsb_rom);
 786                 }
 787         }
 788
 789         /* Initializes TVP5150 to its default values */
 790         tvp5150_write_inittab(c, tvp5150_init_default);
 791
 792         /* Initializes VDP registers */
 793         tvp5150_vdp_init(c, vbi_ram_default);
 794
 795         /* Selects decoder input */
 796         tvp5150_selmux(c);
 797
 798         /* Initializes TVP5150 to stream enabled values */
 799         tvp5150_write_inittab(c, tvp5150_init_enable);
 800
 801         /* Initialize image preferences */
 802         tvp5150_write(c, TVP5150_BRIGHT_CTL, decoder->bright >> 8);
 803         tvp5150_write(c, TVP5150_CONTRAST_CTL, decoder->contrast >> 8);
 804         tvp5150_write(c, TVP5150_SATURATION_CTL, decoder->contrast >> 8);
 805         tvp5150_write(c, TVP5150_HUE_CTL, (decoder->hue - 32768) >> 8);
 806
 807         tvp5150_set_std(c, decoder->norm);
 808 };
 809
 810 static int tvp5150_get_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 811 {
 812 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 813
 814         switch (ctrl->id) {
 815         case V4L2_CID_BRIGHTNESS:
 816                 ctrl->value = tvp5150_read(c, TVP5150_BRIGHT_CTL);
 817                 return 0;
 818         case V4L2_CID_CONTRAST:
 819                 ctrl->value = tvp5150_read(c, TVP5150_CONTRAST_CTL);
 820                 return 0;
 821         case V4L2_CID_SATURATION:
 822                 ctrl->value = tvp5150_read(c, TVP5150_SATURATION_CTL);
 823                 return 0;
 824         case V4L2_CID_HUE:
 825                 ctrl->value = tvp5150_read(c, TVP5150_HUE_CTL);
 826                 return 0;
 827         }
 828         return -EINVAL;
 829 }
 830
 831 static int tvp5150_set_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 832 {
 833 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 834
 835         switch (ctrl->id) {
 836         case V4L2_CID_BRIGHTNESS:
 837                 tvp5150_write(c, TVP5150_BRIGHT_CTL, ctrl->value);
 838                 return 0;
 839         case V4L2_CID_CONTRAST:
 840                 tvp5150_write(c, TVP5150_CONTRAST_CTL, ctrl->value);
 841                 return 0;
 842         case V4L2_CID_SATURATION:
 843                 tvp5150_write(c, TVP5150_SATURATION_CTL, ctrl->value);
 844                 return 0;
 845         case V4L2_CID_HUE:
 846                 tvp5150_write(c, TVP5150_HUE_CTL, ctrl->value);
 847                 return 0;
 848         }
 849         return -EINVAL;
 850 }
 851
 852 /****************************************************************************
 853                         I2C Command
 854  ****************************************************************************/
 855 static int tvp5150_command(struct i2c_client *c,
 856                            unsigned int cmd, void *arg)
 857 {
 858         struct tvp5150 *decoder = i2c_get_clientdata(c);
 859
 860         switch (cmd) {
 861
 862         case 0:
 863         case VIDIOC_INT_RESET:
 864                 tvp5150_reset(c);
 865                 break;
 866         case VIDIOC_INT_G_VIDEO_ROUTING:
 867         {
 868                 struct v4l2_routing *route = arg;
 869
 870                 *route = decoder->route;
 871                 break;
 872         }
 873         case VIDIOC_INT_S_VIDEO_ROUTING:
 874         {
 875                 struct v4l2_routing *route = arg;
 876
 877                 decoder->route = *route;
 878                 tvp5150_selmux(c);
 879                 break;
 880         }
 881         case VIDIOC_S_STD:
 882                 if (decoder->norm == *(v4l2_std_id *)arg)
 883                         break;
 884                 return tvp5150_set_std(c, *(v4l2_std_id *)arg);
 885         case VIDIOC_G_STD:
 886                 *(v4l2_std_id *)arg = decoder->norm;
 887                 break;
 888
 889         case VIDIOC_G_SLICED_VBI_CAP:
 890         {
 891                 struct v4l2_sliced_vbi_cap *cap = arg;
 892                 tvp5150_dbg(1, "VIDIOC_G_SLICED_VBI_CAP\n");
 893
 894                 tvp5150_vbi_get_cap(vbi_ram_default, cap);
 895                 break;
 896         }
 897         case VIDIOC_S_FMT:
 898         {
 899                 struct v4l2_format *fmt;
 900                 struct v4l2_sliced_vbi_format *svbi;
 901                 int i;
 902
 903                 fmt = arg;
 904                 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
 905                         return -EINVAL;
 906                 svbi = &fmt->fmt.sliced;
 907                 if (svbi->service_set != 0) {
 908                         for (i = 0; i <= 23; i++) {
 909                                 svbi->service_lines[1][i] = 0;
 910
 911                                 svbi->service_lines[0][i]=tvp5150_set_vbi(c,
 912                                          vbi_ram_default,
 913                                          svbi->service_lines[0][i],0xf0,i,3);
 914                         }
 915                         /* Enables FIFO */
 916                         tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,1);
 917                 } else {
 918                         /* Disables FIFO*/
 919                         tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,0);
 920
 921                         /* Disable Full Field */
 922                         tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
 923
 924                         /* Disable Line modes */
 925                         for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
 926                                 tvp5150_write(c, i, 0xff);
 927                 }
 928                 break;
 929         }
 930         case VIDIOC_G_FMT:
 931         {
 932                 struct v4l2_format *fmt;
 933                 struct v4l2_sliced_vbi_format *svbi;
 934
 935                 int i, mask=0;
 936
 937                 fmt = arg;
 938                 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
 939                         return -EINVAL;
 940                 svbi = &fmt->fmt.sliced;
 941                 memset(svbi, 0, sizeof(*svbi));
 942
 943                 for (i = 0; i <= 23; i++) {
 944                         svbi->service_lines[0][i]=tvp5150_get_vbi(c,
 945                                 vbi_ram_default,i);
 946                         mask|=svbi->service_lines[0][i];
 947                 }
 948                 svbi->service_set=mask;
 949                 break;
 950         }
 951
 952 #ifdef CONFIG_VIDEO_ADV_DEBUG
 953         case VIDIOC_DBG_G_REGISTER:
 954         case VIDIOC_DBG_S_REGISTER:
 955         {
 956                 struct v4l2_register *reg = arg;
 957
 958                 if (!v4l2_chip_match_i2c_client(c, reg->match_type, reg->match_chip))
 959                         return -EINVAL;
 960                 if (!capable(CAP_SYS_ADMIN))
 961                         return -EPERM;
 962                 if (cmd == VIDIOC_DBG_G_REGISTER)
 963                         reg->val = tvp5150_read(c, reg->reg & 0xff);
 964                 else
 965                         tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff);
 966                 break;
 967         }
 968 #endif
 969
 970         case VIDIOC_LOG_STATUS:
 971                 dump_reg(c);
 972                 break;
 973
 974         case VIDIOC_G_TUNER:
 975                 {
 976                         struct v4l2_tuner *vt = arg;
 977                         int status = tvp5150_read(c, 0x88);
 978
 979                         vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
 980                         break;
 981                 }
 982         case VIDIOC_QUERYCTRL:
 983                 {
 984                         struct v4l2_queryctrl *qc = arg;
 985                         int i;
 986
 987                         tvp5150_dbg(1, "VIDIOC_QUERYCTRL called\n");
 988
 989                         for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++)
 990                                 if (qc->id && qc->id == tvp5150_qctrl[i].id) {
 991                                         memcpy(qc, &(tvp5150_qctrl[i]),
 992                                                sizeof(*qc));
 993                                         return 0;
 994                                 }
 995
 996                         return -EINVAL;
 997                 }
 998         case VIDIOC_G_CTRL:
 999                 {
1000                         struct v4l2_control *ctrl = arg;
1001                         tvp5150_dbg(1, "VIDIOC_G_CTRL called\n");
1002
1003                         return tvp5150_get_ctrl(c, ctrl);
1004                 }
1005         case VIDIOC_S_CTRL:
1006                 {
1007                         struct v4l2_control *ctrl = arg;
1008                         u8 i, n;
1009                         n = sizeof(tvp5150_qctrl) / sizeof(tvp5150_qctrl[0]);
1010                         for (i = 0; i < n; i++)
1011                                 if (ctrl->id == tvp5150_qctrl[i].id) {
1012                                         if (ctrl->value <
1013                                             tvp5150_qctrl[i].minimum
1014                                             || ctrl->value >
1015                                             tvp5150_qctrl[i].maximum)
1016                                                 return -ERANGE;
1017                                         tvp5150_dbg(1,
1018                                                 "VIDIOC_S_CTRL: id=%d, value=%d\n",
1019                                                 ctrl->id, ctrl->value);
1020                                         return tvp5150_set_ctrl(c, ctrl);
1021                                 }
1022                         return -EINVAL;
1023                 }
1024
1025         default:
1026                 return -EINVAL;
1027         }
1028
1029         return 0;
1030 }
1031
1032 /****************************************************************************
1033                         I2C Client & Driver
1034  ****************************************************************************/
1035 static struct i2c_driver driver;
1036
1037 static struct i2c_client client_template = {
1038         .name = "(unset)",
1039         .driver = &driver,
1040 };
1041
1042 static int tvp5150_detect_client(struct i2c_adapter *adapter,
1043                                  int address, int kind)
1044 {
1045         struct i2c_client *c;
1046         struct tvp5150 *core;
1047         int rv;
1048
1049         if (debug)
1050                 printk( KERN_INFO
1051                 "tvp5150.c: detecting tvp5150 client on address 0x%x\n",
1052                 address << 1);
1053
1054         client_template.adapter = adapter;
1055         client_template.addr = address;
1056
1057         /* Check if the adapter supports the needed features */
1058         if (!i2c_check_functionality
1059             (adapter,
1060              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1061                 return 0;
1062
1063         c = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
1064         if (c == 0)
1065                 return -ENOMEM;
1066         memcpy(c, &client_template, sizeof(struct i2c_client));
1067
1068         core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1069         if (core == 0) {
1070                 kfree(c);
1071                 return -ENOMEM;
1072         }
1073         i2c_set_clientdata(c, core);
1074
1075         rv = i2c_attach_client(c);
1076
1077         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1078         core->route.input = TVP5150_COMPOSITE1;
1079         core->enable = 1;
1080         core->bright = 32768;
1081         core->contrast = 32768;
1082         core->hue = 32768;
1083         core->sat = 32768;
1084
1085         if (rv) {
1086                 kfree(c);
1087                 kfree(core);
1088                 return rv;
1089         }
1090
1091         if (debug > 1)
1092                 dump_reg(c);
1093         return 0;
1094 }
1095
1096 static int tvp5150_attach_adapter(struct i2c_adapter *adapter)
1097 {
1098         if (debug)
1099                 printk( KERN_INFO
1100                 "tvp5150.c: starting probe for adapter %s (0x%x)\n",
1101                 adapter->name, adapter->id);
1102         return i2c_probe(adapter, &addr_data, &tvp5150_detect_client);
1103 }
1104
1105 static int tvp5150_detach_client(struct i2c_client *c)
1106 {
1107         struct tvp5150 *decoder = i2c_get_clientdata(c);
1108         int err;
1109
1110         tvp5150_dbg(1,
1111                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1112                 c->addr << 1);
1113
1114         err = i2c_detach_client(c);
1115         if (err) {
1116                 return err;
1117         }
1118
1119         kfree(decoder);
1120         kfree(c);
1121
1122         return 0;
1123 }
1124
1125 /* ----------------------------------------------------------------------- */
1126
1127 static struct i2c_driver driver = {
1128         .driver = {
1129                 .name = "tvp5150",
1130         },
1131         .id = I2C_DRIVERID_TVP5150,
1132
1133         .attach_adapter = tvp5150_attach_adapter,
1134         .detach_client = tvp5150_detach_client,
1135
1136         .command = tvp5150_command,
1137 };
1138
1139 static int __init tvp5150_init(void)
1140 {
1141         return i2c_add_driver(&driver);
1142 }
1143
1144 static void __exit tvp5150_exit(void)
1145 {
1146         i2c_del_driver(&driver);
1147 }
1148
1149 module_init(tvp5150_init);
1150 module_exit(tvp5150_exit);