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;
  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         unsigned char val;
 294
 295         if ((decoder->route.output & TVP5150_BLACK_SCREEN) || !decoder->enable)
 296                 input = 8;
 297
 298         switch (decoder->route.input) {
 299         case TVP5150_COMPOSITE1:
 300                 input |= 2;
 301                 /* fall through */
 302         case TVP5150_COMPOSITE0:
 303                 opmode=0x30;            /* TV Mode */
 304                 break;
 305         case TVP5150_SVIDEO:
 306         default:
 307                 input |= 1;
 308                 opmode=0;               /* Auto Mode */
 309                 break;
 310         }
 311
 312         tvp5150_dbg( 1, "Selecting video route: route input=%i, output=%i "
 313                         "=> tvp5150 input=%i, opmode=%i\n",
 314                         decoder->route.input,decoder->route.output,
 315                         input, opmode );
 316
 317         tvp5150_write(c, TVP5150_OP_MODE_CTL, opmode);
 318         tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input);
 319
 320         /* Svideo should enable YCrCb output and disable GPCL output
 321          * For Composite and TV, it should be the reverse
 322          */
 323         val = tvp5150_read(c, TVP5150_MISC_CTL);
 324         if (decoder->route.input == TVP5150_SVIDEO)
 325                 val = (val & ~0x40) | 0x10;
 326         else
 327                 val = (val & ~0x10) | 0x40;
 328         tvp5150_write(c, TVP5150_MISC_CTL, val);
 329 };
 330
 331 struct i2c_reg_value {
 332         unsigned char reg;
 333         unsigned char value;
 334 };
 335
 336 /* Default values as sugested at TVP5150AM1 datasheet */
 337 static const struct i2c_reg_value tvp5150_init_default[] = {
 338         { /* 0x00 */
 339                 TVP5150_VD_IN_SRC_SEL_1,0x00
 340         },
 341         { /* 0x01 */
 342                 TVP5150_ANAL_CHL_CTL,0x15
 343         },
 344         { /* 0x02 */
 345                 TVP5150_OP_MODE_CTL,0x00
 346         },
 347         { /* 0x03 */
 348                 TVP5150_MISC_CTL,0x01
 349         },
 350         { /* 0x06 */
 351                 TVP5150_COLOR_KIL_THSH_CTL,0x10
 352         },
 353         { /* 0x07 */
 354                 TVP5150_LUMA_PROC_CTL_1,0x60
 355         },
 356         { /* 0x08 */
 357                 TVP5150_LUMA_PROC_CTL_2,0x00
 358         },
 359         { /* 0x09 */
 360                 TVP5150_BRIGHT_CTL,0x80
 361         },
 362         { /* 0x0a */
 363                 TVP5150_SATURATION_CTL,0x80
 364         },
 365         { /* 0x0b */
 366                 TVP5150_HUE_CTL,0x00
 367         },
 368         { /* 0x0c */
 369                 TVP5150_CONTRAST_CTL,0x80
 370         },
 371         { /* 0x0d */
 372                 TVP5150_DATA_RATE_SEL,0x47
 373         },
 374         { /* 0x0e */
 375                 TVP5150_LUMA_PROC_CTL_3,0x00
 376         },
 377         { /* 0x0f */
 378                 TVP5150_CONF_SHARED_PIN,0x08
 379         },
 380         { /* 0x11 */
 381                 TVP5150_ACT_VD_CROP_ST_MSB,0x00
 382         },
 383         { /* 0x12 */
 384                 TVP5150_ACT_VD_CROP_ST_LSB,0x00
 385         },
 386         { /* 0x13 */
 387                 TVP5150_ACT_VD_CROP_STP_MSB,0x00
 388         },
 389         { /* 0x14 */
 390                 TVP5150_ACT_VD_CROP_STP_LSB,0x00
 391         },
 392         { /* 0x15 */
 393                 TVP5150_GENLOCK,0x01
 394         },
 395         { /* 0x16 */
 396                 TVP5150_HORIZ_SYNC_START,0x80
 397         },
 398         { /* 0x18 */
 399                 TVP5150_VERT_BLANKING_START,0x00
 400         },
 401         { /* 0x19 */
 402                 TVP5150_VERT_BLANKING_STOP,0x00
 403         },
 404         { /* 0x1a */
 405                 TVP5150_CHROMA_PROC_CTL_1,0x0c
 406         },
 407         { /* 0x1b */
 408                 TVP5150_CHROMA_PROC_CTL_2,0x14
 409         },
 410         { /* 0x1c */
 411                 TVP5150_INT_RESET_REG_B,0x00
 412         },
 413         { /* 0x1d */
 414                 TVP5150_INT_ENABLE_REG_B,0x00
 415         },
 416         { /* 0x1e */
 417                 TVP5150_INTT_CONFIG_REG_B,0x00
 418         },
 419         { /* 0x28 */
 420                 TVP5150_VIDEO_STD,0x00
 421         },
 422         { /* 0x2e */
 423                 TVP5150_MACROVISION_ON_CTR,0x0f
 424         },
 425         { /* 0x2f */
 426                 TVP5150_MACROVISION_OFF_CTR,0x01
 427         },
 428         { /* 0xbb */
 429                 TVP5150_TELETEXT_FIL_ENA,0x00
 430         },
 431         { /* 0xc0 */
 432                 TVP5150_INT_STATUS_REG_A,0x00
 433         },
 434         { /* 0xc1 */
 435                 TVP5150_INT_ENABLE_REG_A,0x00
 436         },
 437         { /* 0xc2 */
 438                 TVP5150_INT_CONF,0x04
 439         },
 440         { /* 0xc8 */
 441                 TVP5150_FIFO_INT_THRESHOLD,0x80
 442         },
 443         { /* 0xc9 */
 444                 TVP5150_FIFO_RESET,0x00
 445         },
 446         { /* 0xca */
 447                 TVP5150_LINE_NUMBER_INT,0x00
 448         },
 449         { /* 0xcb */
 450                 TVP5150_PIX_ALIGN_REG_LOW,0x4e
 451         },
 452         { /* 0xcc */
 453                 TVP5150_PIX_ALIGN_REG_HIGH,0x00
 454         },
 455         { /* 0xcd */
 456                 TVP5150_FIFO_OUT_CTRL,0x01
 457         },
 458         { /* 0xcf */
 459                 TVP5150_FULL_FIELD_ENA,0x00
 460         },
 461         { /* 0xd0 */
 462                 TVP5150_LINE_MODE_INI,0x00
 463         },
 464         { /* 0xfc */
 465                 TVP5150_FULL_FIELD_MODE_REG,0x7f
 466         },
 467         { /* end of data */
 468                 0xff,0xff
 469         }
 470 };
 471
 472 /* Default values as sugested at TVP5150AM1 datasheet */
 473 static const struct i2c_reg_value tvp5150_init_enable[] = {
 474         {
 475                 TVP5150_CONF_SHARED_PIN, 2
 476         },{     /* Automatic offset and AGC enabled */
 477                 TVP5150_ANAL_CHL_CTL, 0x15
 478         },{     /* Activate YCrCb output 0x9 or 0xd ? */
 479                 TVP5150_MISC_CTL, 0x6f
 480         },{     /* Activates video std autodetection for all standards */
 481                 TVP5150_AUTOSW_MSK, 0x0
 482         },{     /* Default format: 0x47. For 4:2:2: 0x40 */
 483                 TVP5150_DATA_RATE_SEL, 0x47
 484         },{
 485                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 486         },{
 487                 TVP5150_CHROMA_PROC_CTL_2, 0x54
 488         },{     /* Non documented, but initialized on WinTV USB2 */
 489                 0x27, 0x20
 490         },{
 491                 0xff,0xff
 492         }
 493 };
 494
 495 struct tvp5150_vbi_type {
 496         unsigned int vbi_type;
 497         unsigned int ini_line;
 498         unsigned int end_line;
 499         unsigned int by_field :1;
 500 };
 501
 502 struct i2c_vbi_ram_value {
 503         u16 reg;
 504         struct tvp5150_vbi_type type;
 505         unsigned char values[16];
 506 };
 507
 508 /* This struct have the values for each supported VBI Standard
 509  * by
 510  tvp5150_vbi_types should follow the same order as vbi_ram_default
 511  * value 0 means rom position 0x10, value 1 means rom position 0x30
 512  * and so on. There are 16 possible locations from 0 to 15.
 513  */
 514
 515 static struct i2c_vbi_ram_value vbi_ram_default[] =
 516 {
 517         /* FIXME: Current api doesn't handle all VBI types, those not
 518            yet supported are placed under #if 0 */
 519 #if 0
 520         {0x010, /* Teletext, SECAM, WST System A */
 521                 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
 522                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 523                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 524         },
 525 #endif
 526         {0x030, /* Teletext, PAL, WST System B */
 527                 {V4L2_SLICED_TELETEXT_B,6,22,1},
 528                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 529                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 530         },
 531 #if 0
 532         {0x050, /* Teletext, PAL, WST System C */
 533                 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
 534                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 535                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 536         },
 537         {0x070, /* Teletext, NTSC, WST System B */
 538                 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
 539                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 540                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 541         },
 542         {0x090, /* Tetetext, NTSC NABTS System C */
 543                 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
 544                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 545                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 546         },
 547         {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 548                 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
 549                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 550                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 551         },
 552         {0x0d0, /* Closed Caption, PAL/SECAM */
 553                 {V4L2_SLICED_CAPTION_625,22,22,1},
 554                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 555                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 556         },
 557 #endif
 558         {0x0f0, /* Closed Caption, NTSC */
 559                 {V4L2_SLICED_CAPTION_525,21,21,1},
 560                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 561                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 562         },
 563         {0x110, /* Wide Screen Signal, PAL/SECAM */
 564                 {V4L2_SLICED_WSS_625,23,23,1},
 565                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 566                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 567         },
 568 #if 0
 569         {0x130, /* Wide Screen Signal, NTSC C */
 570                 {V4L2_SLICED_WSS_525,20,20,1},
 571                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 572                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 573         },
 574         {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 575                 {V4l2_SLICED_VITC_625,6,22,0},
 576                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 577                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 578         },
 579         {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 580                 {V4l2_SLICED_VITC_525,10,20,0},
 581                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 582                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 583         },
 584 #endif
 585         {0x190, /* Video Program System (VPS), PAL */
 586                 {V4L2_SLICED_VPS,16,16,0},
 587                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 588                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 589         },
 590         /* 0x1d0 User programmable */
 591
 592         /* End of struct */
 593         { (u16)-1 }
 594 };
 595
 596 static int tvp5150_write_inittab(struct i2c_client *c,
 597                                 const struct i2c_reg_value *regs)
 598 {
 599         while (regs->reg != 0xff) {
 600                 tvp5150_write(c, regs->reg, regs->value);
 601                 regs++;
 602         }
 603         return 0;
 604 }
 605
 606 static int tvp5150_vdp_init(struct i2c_client *c,
 607                                 const struct i2c_vbi_ram_value *regs)
 608 {
 609         unsigned int i;
 610
 611         /* Disable Full Field */
 612         tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
 613
 614         /* Before programming, Line mode should be at 0xff */
 615         for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
 616                 tvp5150_write(c, i, 0xff);
 617
 618         /* Load Ram Table */
 619         while (regs->reg != (u16)-1 ) {
 620                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_HIGH,regs->reg>>8);
 621                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_LOW,regs->reg);
 622
 623                 for (i=0;i<16;i++)
 624                         tvp5150_write(c, TVP5150_VDP_CONF_RAM_DATA,regs->values[i]);
 625
 626                 regs++;
 627         }
 628         return 0;
 629 }
 630
 631 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 632 static void tvp5150_vbi_get_cap(const struct i2c_vbi_ram_value *regs,
 633                                 struct v4l2_sliced_vbi_cap *cap)
 634 {
 635         int line;
 636
 637         memset(cap, 0, sizeof *cap);
 638
 639         while (regs->reg != (u16)-1 ) {
 640                 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
 641                         cap->service_lines[0][line] |= regs->type.vbi_type;
 642                 }
 643                 cap->service_set |= regs->type.vbi_type;
 644
 645                 regs++;
 646         }
 647 }
 648
 649 /* Set vbi processing
 650  * type - one of tvp5150_vbi_types
 651  * line - line to gather data
 652  * fields: bit 0 field1, bit 1, field2
 653  * flags (default=0xf0) is a bitmask, were set means:
 654  *      bit 7: enable filtering null bytes on CC
 655  *      bit 6: send data also to FIFO
 656  *      bit 5: don't allow data with errors on FIFO
 657  *      bit 4: enable ECC when possible
 658  * pix_align = pix alignment:
 659  *      LSB = field1
 660  *      MSB = field2
 661  */
 662 static int tvp5150_set_vbi(struct i2c_client *c,
 663                         const struct i2c_vbi_ram_value *regs,
 664                         unsigned int type,u8 flags, int line,
 665                         const int fields)
 666 {
 667         struct tvp5150 *decoder = i2c_get_clientdata(c);
 668         v4l2_std_id std=decoder->norm;
 669         u8 reg;
 670         int pos=0;
 671
 672         if (std == V4L2_STD_ALL) {
 673                 tvp5150_err("VBI can't be configured without knowing number of lines\n");
 674                 return 0;
 675         } else if (std & V4L2_STD_625_50) {
 676                 /* Don't follow NTSC Line number convension */
 677                 line += 3;
 678         }
 679
 680         if (line<6||line>27)
 681                 return 0;
 682
 683         while (regs->reg != (u16)-1 ) {
 684                 if ((type & regs->type.vbi_type) &&
 685                     (line>=regs->type.ini_line) &&
 686                     (line<=regs->type.end_line)) {
 687                         type=regs->type.vbi_type;
 688                         break;
 689                 }
 690
 691                 regs++;
 692                 pos++;
 693         }
 694         if (regs->reg == (u16)-1)
 695                 return 0;
 696
 697         type=pos | (flags & 0xf0);
 698         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 699
 700         if (fields&1) {
 701                 tvp5150_write(c, reg, type);
 702         }
 703
 704         if (fields&2) {
 705                 tvp5150_write(c, reg+1, type);
 706         }
 707
 708         return type;
 709 }
 710
 711 static int tvp5150_get_vbi(struct i2c_client *c,
 712                         const struct i2c_vbi_ram_value *regs, int line)
 713 {
 714         struct tvp5150 *decoder = i2c_get_clientdata(c);
 715         v4l2_std_id std=decoder->norm;
 716         u8 reg;
 717         int pos, type=0;
 718
 719         if (std == V4L2_STD_ALL) {
 720                 tvp5150_err("VBI can't be configured without knowing number of lines\n");
 721                 return 0;
 722         } else if (std & V4L2_STD_625_50) {
 723                 /* Don't follow NTSC Line number convension */
 724                 line += 3;
 725         }
 726
 727         if (line<6||line>27)
 728                 return 0;
 729
 730         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 731
 732         pos=tvp5150_read(c, reg)&0x0f;
 733         if (pos<0x0f)
 734                 type=regs[pos].type.vbi_type;
 735
 736         pos=tvp5150_read(c, reg+1)&0x0f;
 737         if (pos<0x0f)
 738                 type|=regs[pos].type.vbi_type;
 739
 740         return type;
 741 }
 742 static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)
 743 {
 744         struct tvp5150 *decoder = i2c_get_clientdata(c);
 745         int fmt=0;
 746
 747         decoder->norm=std;
 748
 749         /* First tests should be against specific std */
 750
 751         if (std == V4L2_STD_ALL) {
 752                 fmt=0;  /* Autodetect mode */
 753         } else if (std & V4L2_STD_NTSC_443) {
 754                 fmt=0xa;
 755         } else if (std & V4L2_STD_PAL_M) {
 756                 fmt=0x6;
 757         } else if (std & (V4L2_STD_PAL_N| V4L2_STD_PAL_Nc)) {
 758                 fmt=0x8;
 759         } else {
 760                 /* Then, test against generic ones */
 761                 if (std & V4L2_STD_NTSC) {
 762                         fmt=0x2;
 763                 } else if (std & V4L2_STD_PAL) {
 764                         fmt=0x4;
 765                 } else if (std & V4L2_STD_SECAM) {
 766                         fmt=0xc;
 767                 }
 768         }
 769
 770         tvp5150_dbg(1,"Set video std register to %d.\n",fmt);
 771         tvp5150_write(c, TVP5150_VIDEO_STD, fmt);
 772
 773         return 0;
 774 }
 775
 776 static inline void tvp5150_reset(struct i2c_client *c)
 777 {
 778         u8 msb_id, lsb_id, msb_rom, lsb_rom;
 779         struct tvp5150 *decoder = i2c_get_clientdata(c);
 780
 781         msb_id=tvp5150_read(c,TVP5150_MSB_DEV_ID);
 782         lsb_id=tvp5150_read(c,TVP5150_LSB_DEV_ID);
 783         msb_rom=tvp5150_read(c,TVP5150_ROM_MAJOR_VER);
 784         lsb_rom=tvp5150_read(c,TVP5150_ROM_MINOR_VER);
 785
 786         if ((msb_rom==4)&&(lsb_rom==0)) { /* Is TVP5150AM1 */
 787                 tvp5150_info("tvp%02x%02xam1 detected.\n",msb_id, lsb_id);
 788
 789                 /* ITU-T BT.656.4 timing */
 790                 tvp5150_write(c,TVP5150_REV_SELECT,0);
 791         } else {
 792                 if ((msb_rom==3)||(lsb_rom==0x21)) { /* Is TVP5150A */
 793                         tvp5150_info("tvp%02x%02xa detected.\n",msb_id, lsb_id);
 794                 } else {
 795                         tvp5150_info("*** unknown tvp%02x%02x chip detected.\n",msb_id,lsb_id);
 796                         tvp5150_info("*** Rom ver is %d.%d\n",msb_rom,lsb_rom);
 797                 }
 798         }
 799
 800         /* Initializes TVP5150 to its default values */
 801         tvp5150_write_inittab(c, tvp5150_init_default);
 802
 803         /* Initializes VDP registers */
 804         tvp5150_vdp_init(c, vbi_ram_default);
 805
 806         /* Selects decoder input */
 807         tvp5150_selmux(c);
 808
 809         /* Initializes TVP5150 to stream enabled values */
 810         tvp5150_write_inittab(c, tvp5150_init_enable);
 811
 812         /* Initialize image preferences */
 813         tvp5150_write(c, TVP5150_BRIGHT_CTL, decoder->bright);
 814         tvp5150_write(c, TVP5150_CONTRAST_CTL, decoder->contrast);
 815         tvp5150_write(c, TVP5150_SATURATION_CTL, decoder->contrast);
 816         tvp5150_write(c, TVP5150_HUE_CTL, decoder->hue);
 817
 818         tvp5150_set_std(c, decoder->norm);
 819 };
 820
 821 static int tvp5150_get_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 822 {
 823 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 824
 825         switch (ctrl->id) {
 826         case V4L2_CID_BRIGHTNESS:
 827                 ctrl->value = tvp5150_read(c, TVP5150_BRIGHT_CTL);
 828                 return 0;
 829         case V4L2_CID_CONTRAST:
 830                 ctrl->value = tvp5150_read(c, TVP5150_CONTRAST_CTL);
 831                 return 0;
 832         case V4L2_CID_SATURATION:
 833                 ctrl->value = tvp5150_read(c, TVP5150_SATURATION_CTL);
 834                 return 0;
 835         case V4L2_CID_HUE:
 836                 ctrl->value = tvp5150_read(c, TVP5150_HUE_CTL);
 837                 return 0;
 838         }
 839         return -EINVAL;
 840 }
 841
 842 static int tvp5150_set_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 843 {
 844 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 845
 846         switch (ctrl->id) {
 847         case V4L2_CID_BRIGHTNESS:
 848                 tvp5150_write(c, TVP5150_BRIGHT_CTL, ctrl->value);
 849                 return 0;
 850         case V4L2_CID_CONTRAST:
 851                 tvp5150_write(c, TVP5150_CONTRAST_CTL, ctrl->value);
 852                 return 0;
 853         case V4L2_CID_SATURATION:
 854                 tvp5150_write(c, TVP5150_SATURATION_CTL, ctrl->value);
 855                 return 0;
 856         case V4L2_CID_HUE:
 857                 tvp5150_write(c, TVP5150_HUE_CTL, ctrl->value);
 858                 return 0;
 859         }
 860         return -EINVAL;
 861 }
 862
 863 /****************************************************************************
 864                         I2C Command
 865  ****************************************************************************/
 866 static int tvp5150_command(struct i2c_client *c,
 867                            unsigned int cmd, void *arg)
 868 {
 869         struct tvp5150 *decoder = i2c_get_clientdata(c);
 870
 871         switch (cmd) {
 872
 873         case 0:
 874         case VIDIOC_INT_RESET:
 875                 tvp5150_reset(c);
 876                 break;
 877         case VIDIOC_INT_G_VIDEO_ROUTING:
 878         {
 879                 struct v4l2_routing *route = arg;
 880
 881                 *route = decoder->route;
 882                 break;
 883         }
 884         case VIDIOC_INT_S_VIDEO_ROUTING:
 885         {
 886                 struct v4l2_routing *route = arg;
 887
 888                 decoder->route = *route;
 889                 tvp5150_selmux(c);
 890                 break;
 891         }
 892         case VIDIOC_S_STD:
 893                 if (decoder->norm == *(v4l2_std_id *)arg)
 894                         break;
 895                 return tvp5150_set_std(c, *(v4l2_std_id *)arg);
 896         case VIDIOC_G_STD:
 897                 *(v4l2_std_id *)arg = decoder->norm;
 898                 break;
 899
 900         case VIDIOC_G_SLICED_VBI_CAP:
 901         {
 902                 struct v4l2_sliced_vbi_cap *cap = arg;
 903                 tvp5150_dbg(1, "VIDIOC_G_SLICED_VBI_CAP\n");
 904
 905                 tvp5150_vbi_get_cap(vbi_ram_default, cap);
 906                 break;
 907         }
 908         case VIDIOC_S_FMT:
 909         {
 910                 struct v4l2_format *fmt;
 911                 struct v4l2_sliced_vbi_format *svbi;
 912                 int i;
 913
 914                 fmt = arg;
 915                 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
 916                         return -EINVAL;
 917                 svbi = &fmt->fmt.sliced;
 918                 if (svbi->service_set != 0) {
 919                         for (i = 0; i <= 23; i++) {
 920                                 svbi->service_lines[1][i] = 0;
 921
 922                                 svbi->service_lines[0][i]=tvp5150_set_vbi(c,
 923                                          vbi_ram_default,
 924                                          svbi->service_lines[0][i],0xf0,i,3);
 925                         }
 926                         /* Enables FIFO */
 927                         tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,1);
 928                 } else {
 929                         /* Disables FIFO*/
 930                         tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,0);
 931
 932                         /* Disable Full Field */
 933                         tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
 934
 935                         /* Disable Line modes */
 936                         for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
 937                                 tvp5150_write(c, i, 0xff);
 938                 }
 939                 break;
 940         }
 941         case VIDIOC_G_FMT:
 942         {
 943                 struct v4l2_format *fmt;
 944                 struct v4l2_sliced_vbi_format *svbi;
 945
 946                 int i, mask=0;
 947
 948                 fmt = arg;
 949                 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
 950                         return -EINVAL;
 951                 svbi = &fmt->fmt.sliced;
 952                 memset(svbi, 0, sizeof(*svbi));
 953
 954                 for (i = 0; i <= 23; i++) {
 955                         svbi->service_lines[0][i]=tvp5150_get_vbi(c,
 956                                 vbi_ram_default,i);
 957                         mask|=svbi->service_lines[0][i];
 958                 }
 959                 svbi->service_set=mask;
 960                 break;
 961         }
 962
 963 #ifdef CONFIG_VIDEO_ADV_DEBUG
 964         case VIDIOC_DBG_G_REGISTER:
 965         case VIDIOC_DBG_S_REGISTER:
 966         {
 967                 struct v4l2_register *reg = arg;
 968
 969                 if (!v4l2_chip_match_i2c_client(c, reg->match_type, reg->match_chip))
 970                         return -EINVAL;
 971                 if (!capable(CAP_SYS_ADMIN))
 972                         return -EPERM;
 973                 if (cmd == VIDIOC_DBG_G_REGISTER)
 974                         reg->val = tvp5150_read(c, reg->reg & 0xff);
 975                 else
 976                         tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff);
 977                 break;
 978         }
 979 #endif
 980
 981         case VIDIOC_LOG_STATUS:
 982                 dump_reg(c);
 983                 break;
 984
 985         case VIDIOC_G_TUNER:
 986                 {
 987                         struct v4l2_tuner *vt = arg;
 988                         int status = tvp5150_read(c, 0x88);
 989
 990                         vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
 991                         break;
 992                 }
 993         case VIDIOC_QUERYCTRL:
 994                 {
 995                         struct v4l2_queryctrl *qc = arg;
 996                         int i;
 997
 998                         tvp5150_dbg(1, "VIDIOC_QUERYCTRL called\n");
 999
1000                         for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++)
1001                                 if (qc->id && qc->id == tvp5150_qctrl[i].id) {
1002                                         memcpy(qc, &(tvp5150_qctrl[i]),
1003                                                sizeof(*qc));
1004                                         return 0;
1005                                 }
1006
1007                         return -EINVAL;
1008                 }
1009         case VIDIOC_G_CTRL:
1010                 {
1011                         struct v4l2_control *ctrl = arg;
1012                         tvp5150_dbg(1, "VIDIOC_G_CTRL called\n");
1013
1014                         return tvp5150_get_ctrl(c, ctrl);
1015                 }
1016         case VIDIOC_S_CTRL:
1017                 {
1018                         struct v4l2_control *ctrl = arg;
1019                         u8 i, n;
1020                         n = ARRAY_SIZE(tvp5150_qctrl);
1021                         for (i = 0; i < n; i++)
1022                                 if (ctrl->id == tvp5150_qctrl[i].id) {
1023                                         if (ctrl->value <
1024                                             tvp5150_qctrl[i].minimum
1025                                             || ctrl->value >
1026                                             tvp5150_qctrl[i].maximum)
1027                                                 return -ERANGE;
1028                                         tvp5150_dbg(1,
1029                                                 "VIDIOC_S_CTRL: id=%d, value=%d\n",
1030                                                 ctrl->id, ctrl->value);
1031                                         return tvp5150_set_ctrl(c, ctrl);
1032                                 }
1033                         return -EINVAL;
1034                 }
1035
1036         default:
1037                 return -EINVAL;
1038         }
1039
1040         return 0;
1041 }
1042
1043 /****************************************************************************
1044                         I2C Client & Driver
1045  ****************************************************************************/
1046 static struct i2c_driver driver;
1047
1048 static struct i2c_client client_template = {
1049         .name = "(unset)",
1050         .driver = &driver,
1051 };
1052
1053 static int tvp5150_detect_client(struct i2c_adapter *adapter,
1054                                  int address, int kind)
1055 {
1056         struct i2c_client *c;
1057         struct tvp5150 *core;
1058         int rv;
1059
1060         if (debug)
1061                 printk( KERN_INFO
1062                 "tvp5150.c: detecting tvp5150 client on address 0x%x\n",
1063                 address << 1);
1064
1065         client_template.adapter = adapter;
1066         client_template.addr = address;
1067
1068         /* Check if the adapter supports the needed features */
1069         if (!i2c_check_functionality
1070             (adapter,
1071              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1072                 return 0;
1073
1074         c = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
1075         if (!c)
1076                 return -ENOMEM;
1077         memcpy(c, &client_template, sizeof(struct i2c_client));
1078
1079         core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1080         if (!core) {
1081                 kfree(c);
1082                 return -ENOMEM;
1083         }
1084         i2c_set_clientdata(c, core);
1085
1086         rv = i2c_attach_client(c);
1087
1088         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1089         core->route.input = TVP5150_COMPOSITE1;
1090         core->enable = 1;
1091         core->bright = 128;
1092         core->contrast = 128;
1093         core->hue = 0;
1094         core->sat = 128;
1095
1096         if (rv) {
1097                 kfree(c);
1098                 kfree(core);
1099                 return rv;
1100         }
1101
1102         if (debug > 1)
1103                 dump_reg(c);
1104         return 0;
1105 }
1106
1107 static int tvp5150_attach_adapter(struct i2c_adapter *adapter)
1108 {
1109         if (debug)
1110                 printk( KERN_INFO
1111                 "tvp5150.c: starting probe for adapter %s (0x%x)\n",
1112                 adapter->name, adapter->id);
1113         return i2c_probe(adapter, &addr_data, &tvp5150_detect_client);
1114 }
1115
1116 static int tvp5150_detach_client(struct i2c_client *c)
1117 {
1118         struct tvp5150 *decoder = i2c_get_clientdata(c);
1119         int err;
1120
1121         tvp5150_dbg(1,
1122                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1123                 c->addr << 1);
1124
1125         err = i2c_detach_client(c);
1126         if (err) {
1127                 return err;
1128         }
1129
1130         kfree(decoder);
1131         kfree(c);
1132
1133         return 0;
1134 }
1135
1136 /* ----------------------------------------------------------------------- */
1137
1138 static struct i2c_driver driver = {
1139         .driver = {
1140                 .name = "tvp5150",
1141         },
1142         .id = I2C_DRIVERID_TVP5150,
1143
1144         .attach_adapter = tvp5150_attach_adapter,
1145         .detach_client = tvp5150_detach_client,
1146
1147         .command = tvp5150_command,
1148 };
1149
1150 static int __init tvp5150_init(void)
1151 {
1152         return i2c_add_driver(&driver);
1153 }
1154
1155 static void __exit tvp5150_exit(void)
1156 {
1157         i2c_del_driver(&driver);
1158 }
1159
1160 module_init(tvp5150_init);
1161 module_exit(tvp5150_exit);