linux/drivers/media/video/tvp5150.c
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   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
  17MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
  18MODULE_AUTHOR("Mauro Carvalho Chehab");
  19MODULE_LICENSE("GPL");
  20
  21/* standard i2c insmod options */
  22static unsigned short normal_i2c[] = {
  23        0xb8 >> 1,
  24        0xba >> 1,
  25        I2C_CLIENT_END
  26};
  27
  28I2C_CLIENT_INSMOD;
  29
  30static int debug = 0;
  31module_param(debug, int, 0);
  32MODULE_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 */
  49static 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
  89struct 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
 101static 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
 120static 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
 133static 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
 151static 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
 288static 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
 331struct i2c_reg_value {
 332        unsigned char reg;
 333        unsigned char value;
 334};
 335
 336/* Default values as sugested at TVP5150AM1 datasheet */
 337static 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 */
 473static 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
 495struct 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
 502struct 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
 515static 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
 596static 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
 606static 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 */
 632static 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 */
 662static 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
 711static 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}
 742static 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
 776static 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
 821static 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
 842static 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 ****************************************************************************/
 866static 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 ****************************************************************************/
1046static struct i2c_driver driver;
1047
1048static struct i2c_client client_template = {
1049        .name = "(unset)",
1050        .driver = &driver,
1051};
1052
1053static 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 == 0)
1076                return -ENOMEM;
1077        memcpy(c, &client_template, sizeof(struct i2c_client));
1078
1079        core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1080        if (core == 0) {
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
1107static 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
1116static 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
1138static 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
1150static int __init tvp5150_init(void)
1151{
1152        return i2c_add_driver(&driver);
1153}
1154
1155static void __exit tvp5150_exit(void)
1156{
1157        i2c_del_driver(&driver);
1158}
1159
1160module_init(tvp5150_init);
1161module_exit(tvp5150_exit);
1162