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 (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_write(c, TVP5150_OP_MODE_CTL, opmode);
 312         tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input);
 313 };
 314
 315 struct i2c_reg_value {
 316         unsigned char reg;
 317         unsigned char value;
 318 };
 319
 320 /* Default values as sugested at TVP5150AM1 datasheet */
 321 static const struct i2c_reg_value tvp5150_init_default[] = {
 322         { /* 0x00 */
 323                 TVP5150_VD_IN_SRC_SEL_1,0x00
 324         },
 325         { /* 0x01 */
 326                 TVP5150_ANAL_CHL_CTL,0x15
 327         },
 328         { /* 0x02 */
 329                 TVP5150_OP_MODE_CTL,0x00
 330         },
 331         { /* 0x03 */
 332                 TVP5150_MISC_CTL,0x01
 333         },
 334         { /* 0x06 */
 335                 TVP5150_COLOR_KIL_THSH_CTL,0x10
 336         },
 337         { /* 0x07 */
 338                 TVP5150_LUMA_PROC_CTL_1,0x60
 339         },
 340         { /* 0x08 */
 341                 TVP5150_LUMA_PROC_CTL_2,0x00
 342         },
 343         { /* 0x09 */
 344                 TVP5150_BRIGHT_CTL,0x80
 345         },
 346         { /* 0x0a */
 347                 TVP5150_SATURATION_CTL,0x80
 348         },
 349         { /* 0x0b */
 350                 TVP5150_HUE_CTL,0x00
 351         },
 352         { /* 0x0c */
 353                 TVP5150_CONTRAST_CTL,0x80
 354         },
 355         { /* 0x0d */
 356                 TVP5150_DATA_RATE_SEL,0x47
 357         },
 358         { /* 0x0e */
 359                 TVP5150_LUMA_PROC_CTL_3,0x00
 360         },
 361         { /* 0x0f */
 362                 TVP5150_CONF_SHARED_PIN,0x08
 363         },
 364         { /* 0x11 */
 365                 TVP5150_ACT_VD_CROP_ST_MSB,0x00
 366         },
 367         { /* 0x12 */
 368                 TVP5150_ACT_VD_CROP_ST_LSB,0x00
 369         },
 370         { /* 0x13 */
 371                 TVP5150_ACT_VD_CROP_STP_MSB,0x00
 372         },
 373         { /* 0x14 */
 374                 TVP5150_ACT_VD_CROP_STP_LSB,0x00
 375         },
 376         { /* 0x15 */
 377                 TVP5150_GENLOCK,0x01
 378         },
 379         { /* 0x16 */
 380                 TVP5150_HORIZ_SYNC_START,0x80
 381         },
 382         { /* 0x18 */
 383                 TVP5150_VERT_BLANKING_START,0x00
 384         },
 385         { /* 0x19 */
 386                 TVP5150_VERT_BLANKING_STOP,0x00
 387         },
 388         { /* 0x1a */
 389                 TVP5150_CHROMA_PROC_CTL_1,0x0c
 390         },
 391         { /* 0x1b */
 392                 TVP5150_CHROMA_PROC_CTL_2,0x14
 393         },
 394         { /* 0x1c */
 395                 TVP5150_INT_RESET_REG_B,0x00
 396         },
 397         { /* 0x1d */
 398                 TVP5150_INT_ENABLE_REG_B,0x00
 399         },
 400         { /* 0x1e */
 401                 TVP5150_INTT_CONFIG_REG_B,0x00
 402         },
 403         { /* 0x28 */
 404                 TVP5150_VIDEO_STD,0x00
 405         },
 406         { /* 0x2e */
 407                 TVP5150_MACROVISION_ON_CTR,0x0f
 408         },
 409         { /* 0x2f */
 410                 TVP5150_MACROVISION_OFF_CTR,0x01
 411         },
 412         { /* 0xbb */
 413                 TVP5150_TELETEXT_FIL_ENA,0x00
 414         },
 415         { /* 0xc0 */
 416                 TVP5150_INT_STATUS_REG_A,0x00
 417         },
 418         { /* 0xc1 */
 419                 TVP5150_INT_ENABLE_REG_A,0x00
 420         },
 421         { /* 0xc2 */
 422                 TVP5150_INT_CONF,0x04
 423         },
 424         { /* 0xc8 */
 425                 TVP5150_FIFO_INT_THRESHOLD,0x80
 426         },
 427         { /* 0xc9 */
 428                 TVP5150_FIFO_RESET,0x00
 429         },
 430         { /* 0xca */
 431                 TVP5150_LINE_NUMBER_INT,0x00
 432         },
 433         { /* 0xcb */
 434                 TVP5150_PIX_ALIGN_REG_LOW,0x4e
 435         },
 436         { /* 0xcc */
 437                 TVP5150_PIX_ALIGN_REG_HIGH,0x00
 438         },
 439         { /* 0xcd */
 440                 TVP5150_FIFO_OUT_CTRL,0x01
 441         },
 442         { /* 0xcf */
 443                 TVP5150_FULL_FIELD_ENA,0x00
 444         },
 445         { /* 0xd0 */
 446                 TVP5150_LINE_MODE_INI,0x00
 447         },
 448         { /* 0xfc */
 449                 TVP5150_FULL_FIELD_MODE_REG,0x7f
 450         },
 451         { /* end of data */
 452                 0xff,0xff
 453         }
 454 };
 455
 456 /* Default values as sugested at TVP5150AM1 datasheet */
 457 static const struct i2c_reg_value tvp5150_init_enable[] = {
 458         {
 459                 TVP5150_CONF_SHARED_PIN, 2
 460         },{     /* Automatic offset and AGC enabled */
 461                 TVP5150_ANAL_CHL_CTL, 0x15
 462         },{     /* Activate YCrCb output 0x9 or 0xd ? */
 463                 TVP5150_MISC_CTL, 0x6f
 464         },{     /* Activates video std autodetection for all standards */
 465                 TVP5150_AUTOSW_MSK, 0x0
 466         },{     /* Default format: 0x47. For 4:2:2: 0x40 */
 467                 TVP5150_DATA_RATE_SEL, 0x47
 468         },{
 469                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 470         },{
 471                 TVP5150_CHROMA_PROC_CTL_2, 0x54
 472         },{     /* Non documented, but initialized on WinTV USB2 */
 473                 0x27, 0x20
 474         },{
 475                 0xff,0xff
 476         }
 477 };
 478
 479 struct tvp5150_vbi_type {
 480         unsigned int vbi_type;
 481         unsigned int ini_line;
 482         unsigned int end_line;
 483         unsigned int by_field :1;
 484 };
 485
 486 struct i2c_vbi_ram_value {
 487         u16 reg;
 488         struct tvp5150_vbi_type type;
 489         unsigned char values[16];
 490 };
 491
 492 /* This struct have the values for each supported VBI Standard
 493  * by
 494  tvp5150_vbi_types should follow the same order as vbi_ram_default
 495  * value 0 means rom position 0x10, value 1 means rom position 0x30
 496  * and so on. There are 16 possible locations from 0 to 15.
 497  */
 498
 499 static struct i2c_vbi_ram_value vbi_ram_default[] =
 500 {
 501         /* FIXME: Current api doesn't handle all VBI types, those not
 502            yet supported are placed under #if 0 */
 503 #if 0
 504         {0x010, /* Teletext, SECAM, WST System A */
 505                 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
 506                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 507                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 508         },
 509 #endif
 510         {0x030, /* Teletext, PAL, WST System B */
 511                 {V4L2_SLICED_TELETEXT_B,6,22,1},
 512                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 513                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 514         },
 515 #if 0
 516         {0x050, /* Teletext, PAL, WST System C */
 517                 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
 518                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 519                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 520         },
 521         {0x070, /* Teletext, NTSC, WST System B */
 522                 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
 523                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 524                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 525         },
 526         {0x090, /* Tetetext, NTSC NABTS System C */
 527                 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
 528                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 529                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 530         },
 531         {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 532                 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
 533                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 534                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 535         },
 536         {0x0d0, /* Closed Caption, PAL/SECAM */
 537                 {V4L2_SLICED_CAPTION_625,22,22,1},
 538                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 539                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 540         },
 541 #endif
 542         {0x0f0, /* Closed Caption, NTSC */
 543                 {V4L2_SLICED_CAPTION_525,21,21,1},
 544                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 545                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 546         },
 547         {0x110, /* Wide Screen Signal, PAL/SECAM */
 548                 {V4L2_SLICED_WSS_625,23,23,1},
 549                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 550                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 551         },
 552 #if 0
 553         {0x130, /* Wide Screen Signal, NTSC C */
 554                 {V4L2_SLICED_WSS_525,20,20,1},
 555                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 556                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 557         },
 558         {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 559                 {V4l2_SLICED_VITC_625,6,22,0},
 560                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 561                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 562         },
 563         {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 564                 {V4l2_SLICED_VITC_525,10,20,0},
 565                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 566                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 567         },
 568 #endif
 569         {0x190, /* Video Program System (VPS), PAL */
 570                 {V4L2_SLICED_VPS,16,16,0},
 571                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 572                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 573         },
 574         /* 0x1d0 User programmable */
 575
 576         /* End of struct */
 577         { (u16)-1 }
 578 };
 579
 580 static int tvp5150_write_inittab(struct i2c_client *c,
 581                                 const struct i2c_reg_value *regs)
 582 {
 583         while (regs->reg != 0xff) {
 584                 tvp5150_write(c, regs->reg, regs->value);
 585                 regs++;
 586         }
 587         return 0;
 588 }
 589
 590 static int tvp5150_vdp_init(struct i2c_client *c,
 591                                 const struct i2c_vbi_ram_value *regs)
 592 {
 593         unsigned int i;
 594
 595         /* Disable Full Field */
 596         tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
 597
 598         /* Before programming, Line mode should be at 0xff */
 599         for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
 600                 tvp5150_write(c, i, 0xff);
 601
 602         /* Load Ram Table */
 603         while (regs->reg != (u16)-1 ) {
 604                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_HIGH,regs->reg>>8);
 605                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_LOW,regs->reg);
 606
 607                 for (i=0;i<16;i++)
 608                         tvp5150_write(c, TVP5150_VDP_CONF_RAM_DATA,regs->values[i]);
 609
 610                 regs++;
 611         }
 612         return 0;
 613 }
 614
 615 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 616 static void tvp5150_vbi_get_cap(const struct i2c_vbi_ram_value *regs,
 617                                 struct v4l2_sliced_vbi_cap *cap)
 618 {
 619         int line;
 620
 621         memset(cap, 0, sizeof *cap);
 622
 623         while (regs->reg != (u16)-1 ) {
 624                 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
 625                         cap->service_lines[0][line] |= regs->type.vbi_type;
 626                 }
 627                 cap->service_set |= regs->type.vbi_type;
 628
 629                 regs++;
 630         }
 631 }
 632
 633 /* Set vbi processing
 634  * type - one of tvp5150_vbi_types
 635  * line - line to gather data
 636  * fields: bit 0 field1, bit 1, field2
 637  * flags (default=0xf0) is a bitmask, were set means:
 638  *      bit 7: enable filtering null bytes on CC
 639  *      bit 6: send data also to FIFO
 640  *      bit 5: don't allow data with errors on FIFO
 641  *      bit 4: enable ECC when possible
 642  * pix_align = pix alignment:
 643  *      LSB = field1
 644  *      MSB = field2
 645  */
 646 static int tvp5150_set_vbi(struct i2c_client *c,
 647                         const struct i2c_vbi_ram_value *regs,
 648                         unsigned int type,u8 flags, int line,
 649                         const int fields)
 650 {
 651         struct tvp5150 *decoder = i2c_get_clientdata(c);
 652         v4l2_std_id std=decoder->norm;
 653         u8 reg;
 654         int pos=0;
 655
 656         if (std == V4L2_STD_ALL) {
 657                 tvp5150_err("VBI can't be configured without knowing number of lines\n");
 658                 return 0;
 659         } else if (std && V4L2_STD_625_50) {
 660                 /* Don't follow NTSC Line number convension */
 661                 line += 3;
 662         }
 663
 664         if (line<6||line>27)
 665                 return 0;
 666
 667         while (regs->reg != (u16)-1 ) {
 668                 if ((type & regs->type.vbi_type) &&
 669                     (line>=regs->type.ini_line) &&
 670                     (line<=regs->type.end_line)) {
 671                         type=regs->type.vbi_type;
 672                         break;
 673                 }
 674
 675                 regs++;
 676                 pos++;
 677         }
 678         if (regs->reg == (u16)-1)
 679                 return 0;
 680
 681         type=pos | (flags & 0xf0);
 682         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 683
 684         if (fields&1) {
 685                 tvp5150_write(c, reg, type);
 686         }
 687
 688         if (fields&2) {
 689                 tvp5150_write(c, reg+1, type);
 690         }
 691
 692         return type;
 693 }
 694
 695 static int tvp5150_get_vbi(struct i2c_client *c,
 696                         const struct i2c_vbi_ram_value *regs, int line)
 697 {
 698         struct tvp5150 *decoder = i2c_get_clientdata(c);
 699         v4l2_std_id std=decoder->norm;
 700         u8 reg;
 701         int pos, type=0;
 702
 703         if (std == V4L2_STD_ALL) {
 704                 tvp5150_err("VBI can't be configured without knowing number of lines\n");
 705                 return 0;
 706         } else if (std && V4L2_STD_625_50) {
 707                 /* Don't follow NTSC Line number convension */
 708                 line += 3;
 709         }
 710
 711         if (line<6||line>27)
 712                 return 0;
 713
 714         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 715
 716         pos=tvp5150_read(c, reg)&0x0f;
 717         if (pos<0x0f)
 718                 type=regs[pos].type.vbi_type;
 719
 720         pos=tvp5150_read(c, reg+1)&0x0f;
 721         if (pos<0x0f)
 722                 type|=regs[pos].type.vbi_type;
 723
 724         return type;
 725 }
 726 static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)
 727 {
 728         struct tvp5150 *decoder = i2c_get_clientdata(c);
 729         int fmt=0;
 730
 731         decoder->norm=std;
 732
 733         /* First tests should be against specific std */
 734
 735         if (std == V4L2_STD_ALL) {
 736                 fmt=0;  /* Autodetect mode */
 737         } else if (std & V4L2_STD_NTSC_443) {
 738                 fmt=0xa;
 739         } else if (std & V4L2_STD_PAL_M) {
 740                 fmt=0x6;
 741         } else if (std & (V4L2_STD_PAL_N| V4L2_STD_PAL_Nc)) {
 742                 fmt=0x8;
 743         } else {
 744                 /* Then, test against generic ones */
 745                 if (std & V4L2_STD_NTSC) {
 746                         fmt=0x2;
 747                 } else if (std & V4L2_STD_PAL) {
 748                         fmt=0x4;
 749                 } else if (std & V4L2_STD_SECAM) {
 750                         fmt=0xc;
 751                 }
 752         }
 753
 754         tvp5150_dbg(1,"Set video std register to %d.\n",fmt);
 755         tvp5150_write(c, TVP5150_VIDEO_STD, fmt);
 756
 757         return 0;
 758 }
 759
 760 static inline void tvp5150_reset(struct i2c_client *c)
 761 {
 762         u8 msb_id, lsb_id, msb_rom, lsb_rom;
 763         struct tvp5150 *decoder = i2c_get_clientdata(c);
 764
 765         msb_id=tvp5150_read(c,TVP5150_MSB_DEV_ID);
 766         lsb_id=tvp5150_read(c,TVP5150_LSB_DEV_ID);
 767         msb_rom=tvp5150_read(c,TVP5150_ROM_MAJOR_VER);
 768         lsb_rom=tvp5150_read(c,TVP5150_ROM_MINOR_VER);
 769
 770         if ((msb_rom==4)&&(lsb_rom==0)) { /* Is TVP5150AM1 */
 771                 tvp5150_info("tvp%02x%02xam1 detected.\n",msb_id, lsb_id);
 772
 773                 /* ITU-T BT.656.4 timing */
 774                 tvp5150_write(c,TVP5150_REV_SELECT,0);
 775         } else {
 776                 if ((msb_rom==3)||(lsb_rom==0x21)) { /* Is TVP5150A */
 777                         tvp5150_info("tvp%02x%02xa detected.\n",msb_id, lsb_id);
 778                 } else {
 779                         tvp5150_info("*** unknown tvp%02x%02x chip detected.\n",msb_id,lsb_id);
 780                         tvp5150_info("*** Rom ver is %d.%d\n",msb_rom,lsb_rom);
 781                 }
 782         }
 783
 784         /* Initializes TVP5150 to its default values */
 785         tvp5150_write_inittab(c, tvp5150_init_default);
 786
 787         /* Initializes VDP registers */
 788         tvp5150_vdp_init(c, vbi_ram_default);
 789
 790         /* Selects decoder input */
 791         tvp5150_selmux(c);
 792
 793         /* Initializes TVP5150 to stream enabled values */
 794         tvp5150_write_inittab(c, tvp5150_init_enable);
 795
 796         /* Initialize image preferences */
 797         tvp5150_write(c, TVP5150_BRIGHT_CTL, decoder->bright >> 8);
 798         tvp5150_write(c, TVP5150_CONTRAST_CTL, decoder->contrast >> 8);
 799         tvp5150_write(c, TVP5150_SATURATION_CTL, decoder->contrast >> 8);
 800         tvp5150_write(c, TVP5150_HUE_CTL, (decoder->hue - 32768) >> 8);
 801
 802         tvp5150_set_std(c, decoder->norm);
 803 };
 804
 805 static int tvp5150_get_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 806 {
 807 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 808
 809         switch (ctrl->id) {
 810         case V4L2_CID_BRIGHTNESS:
 811                 ctrl->value = tvp5150_read(c, TVP5150_BRIGHT_CTL);
 812                 return 0;
 813         case V4L2_CID_CONTRAST:
 814                 ctrl->value = tvp5150_read(c, TVP5150_CONTRAST_CTL);
 815                 return 0;
 816         case V4L2_CID_SATURATION:
 817                 ctrl->value = tvp5150_read(c, TVP5150_SATURATION_CTL);
 818                 return 0;
 819         case V4L2_CID_HUE:
 820                 ctrl->value = tvp5150_read(c, TVP5150_HUE_CTL);
 821                 return 0;
 822         }
 823         return -EINVAL;
 824 }
 825
 826 static int tvp5150_set_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 827 {
 828 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 829
 830         switch (ctrl->id) {
 831         case V4L2_CID_BRIGHTNESS:
 832                 tvp5150_write(c, TVP5150_BRIGHT_CTL, ctrl->value);
 833                 return 0;
 834         case V4L2_CID_CONTRAST:
 835                 tvp5150_write(c, TVP5150_CONTRAST_CTL, ctrl->value);
 836                 return 0;
 837         case V4L2_CID_SATURATION:
 838                 tvp5150_write(c, TVP5150_SATURATION_CTL, ctrl->value);
 839                 return 0;
 840         case V4L2_CID_HUE:
 841                 tvp5150_write(c, TVP5150_HUE_CTL, ctrl->value);
 842                 return 0;
 843         }
 844         return -EINVAL;
 845 }
 846
 847 /****************************************************************************
 848                         I2C Command
 849  ****************************************************************************/
 850 static int tvp5150_command(struct i2c_client *c,
 851                            unsigned int cmd, void *arg)
 852 {
 853         struct tvp5150 *decoder = i2c_get_clientdata(c);
 854
 855         switch (cmd) {
 856
 857         case 0:
 858         case VIDIOC_INT_RESET:
 859                 tvp5150_reset(c);
 860                 break;
 861         case VIDIOC_INT_G_VIDEO_ROUTING:
 862         {
 863                 struct v4l2_routing *route = arg;
 864
 865                 *route = decoder->route;
 866                 break;
 867         }
 868         case VIDIOC_INT_S_VIDEO_ROUTING:
 869         {
 870                 struct v4l2_routing *route = arg;
 871
 872                 decoder->route = *route;
 873                 tvp5150_selmux(c);
 874                 break;
 875         }
 876         case VIDIOC_S_STD:
 877                 if (decoder->norm == *(v4l2_std_id *)arg)
 878                         break;
 879                 return tvp5150_set_std(c, *(v4l2_std_id *)arg);
 880         case VIDIOC_G_STD:
 881                 *(v4l2_std_id *)arg = decoder->norm;
 882                 break;
 883
 884         case VIDIOC_G_SLICED_VBI_CAP:
 885         {
 886                 struct v4l2_sliced_vbi_cap *cap = arg;
 887                 tvp5150_dbg(1, "VIDIOC_G_SLICED_VBI_CAP\n");
 888
 889                 tvp5150_vbi_get_cap(vbi_ram_default, cap);
 890                 break;
 891         }
 892         case VIDIOC_S_FMT:
 893         {
 894                 struct v4l2_format *fmt;
 895                 struct v4l2_sliced_vbi_format *svbi;
 896                 int i;
 897
 898                 fmt = arg;
 899                 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
 900                         return -EINVAL;
 901                 svbi = &fmt->fmt.sliced;
 902                 if (svbi->service_set != 0) {
 903                         for (i = 0; i <= 23; i++) {
 904                                 svbi->service_lines[1][i] = 0;
 905
 906                                 svbi->service_lines[0][i]=tvp5150_set_vbi(c,
 907                                          vbi_ram_default,
 908                                          svbi->service_lines[0][i],0xf0,i,3);
 909                         }
 910                         /* Enables FIFO */
 911                         tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,1);
 912                 } else {
 913                         /* Disables FIFO*/
 914                         tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,0);
 915
 916                         /* Disable Full Field */
 917                         tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
 918
 919                         /* Disable Line modes */
 920                         for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
 921                                 tvp5150_write(c, i, 0xff);
 922                 }
 923                 break;
 924         }
 925         case VIDIOC_G_FMT:
 926         {
 927                 struct v4l2_format *fmt;
 928                 struct v4l2_sliced_vbi_format *svbi;
 929
 930                 int i, mask=0;
 931
 932                 fmt = arg;
 933                 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
 934                         return -EINVAL;
 935                 svbi = &fmt->fmt.sliced;
 936                 memset(svbi, 0, sizeof(*svbi));
 937
 938                 for (i = 0; i <= 23; i++) {
 939                         svbi->service_lines[0][i]=tvp5150_get_vbi(c,
 940                                 vbi_ram_default,i);
 941                         mask|=svbi->service_lines[0][i];
 942                 }
 943                 svbi->service_set=mask;
 944                 break;
 945         }
 946
 947 #ifdef CONFIG_VIDEO_ADV_DEBUG
 948         case VIDIOC_INT_G_REGISTER:
 949         {
 950                 struct v4l2_register *reg = arg;
 951
 952                 if (reg->i2c_id != I2C_DRIVERID_TVP5150)
 953                         return -EINVAL;
 954                 reg->val = tvp5150_read(c, reg->reg & 0xff);
 955                 break;
 956         }
 957
 958         case VIDIOC_INT_S_REGISTER:
 959         {
 960                 struct v4l2_register *reg = arg;
 961
 962                 if (reg->i2c_id != I2C_DRIVERID_TVP5150)
 963                         return -EINVAL;
 964                 if (!capable(CAP_SYS_ADMIN))
 965                         return -EPERM;
 966                 tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff);
 967                 break;
 968         }
 969 #endif
 970
 971         case VIDIOC_LOG_STATUS:
 972                 dump_reg(c);
 973                 break;
 974
 975         case VIDIOC_G_TUNER:
 976                 {
 977                         struct v4l2_tuner *vt = arg;
 978                         int status = tvp5150_read(c, 0x88);
 979
 980                         vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
 981                         break;
 982                 }
 983         case VIDIOC_QUERYCTRL:
 984                 {
 985                         struct v4l2_queryctrl *qc = arg;
 986                         int i;
 987
 988                         tvp5150_dbg(1, "VIDIOC_QUERYCTRL called\n");
 989
 990                         for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++)
 991                                 if (qc->id && qc->id == tvp5150_qctrl[i].id) {
 992                                         memcpy(qc, &(tvp5150_qctrl[i]),
 993                                                sizeof(*qc));
 994                                         return 0;
 995                                 }
 996
 997                         return -EINVAL;
 998                 }
 999         case VIDIOC_G_CTRL:
1000                 {
1001                         struct v4l2_control *ctrl = arg;
1002                         tvp5150_dbg(1, "VIDIOC_G_CTRL called\n");
1003
1004                         return tvp5150_get_ctrl(c, ctrl);
1005                 }
1006         case VIDIOC_S_CTRL:
1007                 {
1008                         struct v4l2_control *ctrl = arg;
1009                         u8 i, n;
1010                         n = sizeof(tvp5150_qctrl) / sizeof(tvp5150_qctrl[0]);
1011                         for (i = 0; i < n; i++)
1012                                 if (ctrl->id == tvp5150_qctrl[i].id) {
1013                                         if (ctrl->value <
1014                                             tvp5150_qctrl[i].minimum
1015                                             || ctrl->value >
1016                                             tvp5150_qctrl[i].maximum)
1017                                                 return -ERANGE;
1018                                         tvp5150_dbg(1,
1019                                                 "VIDIOC_S_CTRL: id=%d, value=%d\n",
1020                                                 ctrl->id, ctrl->value);
1021                                         return tvp5150_set_ctrl(c, ctrl);
1022                                 }
1023                         return -EINVAL;
1024                 }
1025
1026         default:
1027                 return -EINVAL;
1028         }
1029
1030         return 0;
1031 }
1032
1033 /****************************************************************************
1034                         I2C Client & Driver
1035  ****************************************************************************/
1036 static struct i2c_driver driver;
1037
1038 static struct i2c_client client_template = {
1039         .name = "(unset)",
1040         .driver = &driver,
1041 };
1042
1043 static int tvp5150_detect_client(struct i2c_adapter *adapter,
1044                                  int address, int kind)
1045 {
1046         struct i2c_client *c;
1047         struct tvp5150 *core;
1048         int rv;
1049
1050         if (debug)
1051                 printk( KERN_INFO
1052                 "tvp5150.c: detecting tvp5150 client on address 0x%x\n",
1053                 address << 1);
1054
1055         client_template.adapter = adapter;
1056         client_template.addr = address;
1057
1058         /* Check if the adapter supports the needed features */
1059         if (!i2c_check_functionality
1060             (adapter,
1061              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1062                 return 0;
1063
1064         c = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
1065         if (c == 0)
1066                 return -ENOMEM;
1067         memcpy(c, &client_template, sizeof(struct i2c_client));
1068
1069         core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1070         if (core == 0) {
1071                 kfree(c);
1072                 return -ENOMEM;
1073         }
1074         i2c_set_clientdata(c, core);
1075
1076         rv = i2c_attach_client(c);
1077
1078         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1079         core->route.input = TVP5150_COMPOSITE1;
1080         core->enable = 1;
1081         core->bright = 32768;
1082         core->contrast = 32768;
1083         core->hue = 32768;
1084         core->sat = 32768;
1085
1086         if (rv) {
1087                 kfree(c);
1088                 kfree(core);
1089                 return rv;
1090         }
1091
1092         if (debug > 1)
1093                 dump_reg(c);
1094         return 0;
1095 }
1096
1097 static int tvp5150_attach_adapter(struct i2c_adapter *adapter)
1098 {
1099         if (debug)
1100                 printk( KERN_INFO
1101                 "tvp5150.c: starting probe for adapter %s (0x%x)\n",
1102                 adapter->name, adapter->id);
1103         return i2c_probe(adapter, &addr_data, &tvp5150_detect_client);
1104 }
1105
1106 static int tvp5150_detach_client(struct i2c_client *c)
1107 {
1108         struct tvp5150 *decoder = i2c_get_clientdata(c);
1109         int err;
1110
1111         tvp5150_dbg(1,
1112                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1113                 c->addr << 1);
1114
1115         err = i2c_detach_client(c);
1116         if (err) {
1117                 return err;
1118         }
1119
1120         kfree(decoder);
1121         kfree(c);
1122
1123         return 0;
1124 }
1125
1126 /* ----------------------------------------------------------------------- */
1127
1128 static struct i2c_driver driver = {
1129         .driver = {
1130                 .name = "tvp5150",
1131         },
1132         .id = I2C_DRIVERID_TVP5150,
1133
1134         .attach_adapter = tvp5150_attach_adapter,
1135         .detach_client = tvp5150_detach_client,
1136
1137         .command = tvp5150_command,
1138 };
1139
1140 static int __init tvp5150_init(void)
1141 {
1142         return i2c_add_driver(&driver);
1143 }
1144
1145 static void __exit tvp5150_exit(void)
1146 {
1147         i2c_del_driver(&driver);
1148 }
1149
1150 module_init(tvp5150_init);
1151 module_exit(tvp5150_exit);