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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
  14 #include "tvp5150_reg.h"
  15
  16 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
  17 MODULE_AUTHOR("Mauro Carvalho Chehab");
  18 MODULE_LICENSE("GPL");
  19
  20 /* standard i2c insmod options */
  21 static unsigned short normal_i2c[] = {
  22         0xb8 >> 1,
  23         0xba >> 1,
  24         I2C_CLIENT_END
  25 };
  26
  27 I2C_CLIENT_INSMOD;
  28
  29 static int debug = 0;
  30 module_param(debug, int, 0);
  31 MODULE_PARM_DESC(debug, "Debug level (0-1)");
  32
  33 #define tvp5150_err(fmt, arg...) do { \
  34         printk(KERN_ERR "%s %d-%04x: " fmt, c->driver->driver.name, \
  35                i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)
  36 #define tvp5150_info(fmt, arg...) do { \
  37         printk(KERN_INFO "%s %d-%04x: " fmt, c->driver->driver.name, \
  38                i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)
  39 #define tvp5150_dbg(num, fmt, arg...) \
  40         do { \
  41                 if (debug >= num) \
  42                         printk(KERN_DEBUG "%s debug %d-%04x: " fmt,\
  43                                 c->driver->driver.name, \
  44                                 i2c_adapter_id(c->adapter), \
  45                                 c->addr , ## arg); } while (0)
  46
  47 /* supported controls */
  48 static struct v4l2_queryctrl tvp5150_qctrl[] = {
  49         {
  50                 .id = V4L2_CID_BRIGHTNESS,
  51                 .type = V4L2_CTRL_TYPE_INTEGER,
  52                 .name = "Brightness",
  53                 .minimum = 0,
  54                 .maximum = 255,
  55                 .step = 1,
  56                 .default_value = 128,
  57                 .flags = 0,
  58         }, {
  59                 .id = V4L2_CID_CONTRAST,
  60                 .type = V4L2_CTRL_TYPE_INTEGER,
  61                 .name = "Contrast",
  62                 .minimum = 0,
  63                 .maximum = 255,
  64                 .step = 0x1,
  65                 .default_value = 128,
  66                 .flags = 0,
  67         }, {
  68                  .id = V4L2_CID_SATURATION,
  69                  .type = V4L2_CTRL_TYPE_INTEGER,
  70                  .name = "Saturation",
  71                  .minimum = 0,
  72                  .maximum = 255,
  73                  .step = 0x1,
  74                  .default_value = 128,
  75                  .flags = 0,
  76         }, {
  77                 .id = V4L2_CID_HUE,
  78                 .type = V4L2_CTRL_TYPE_INTEGER,
  79                 .name = "Hue",
  80                 .minimum = -128,
  81                 .maximum = 127,
  82                 .step = 0x1,
  83                 .default_value = 0,
  84                 .flags = 0,
  85         }
  86 };
  87
  88 struct tvp5150 {
  89         struct i2c_client *client;
  90
  91         v4l2_std_id norm;       /* Current set standard */
  92         int input;
  93         int enable;
  94         int bright;
  95         int contrast;
  96         int hue;
  97         int sat;
  98 };
  99
 100 static int tvp5150_read(struct i2c_client *c, unsigned char addr)
 101 {
 102         unsigned char buffer[1];
 103         int rc;
 104
 105         buffer[0] = addr;
 106         if (1 != (rc = i2c_master_send(c, buffer, 1)))
 107                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
 108
 109         msleep(10);
 110
 111         if (1 != (rc = i2c_master_recv(c, buffer, 1)))
 112                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
 113
 114         tvp5150_dbg(2, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
 115
 116         return (buffer[0]);
 117 }
 118
 119 static inline void tvp5150_write(struct i2c_client *c, unsigned char addr,
 120                                  unsigned char value)
 121 {
 122         unsigned char buffer[2];
 123         int rc;
 124
 125         buffer[0] = addr;
 126         buffer[1] = value;
 127         tvp5150_dbg(2, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
 128         if (2 != (rc = i2c_master_send(c, buffer, 2)))
 129                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 2)\n", rc);
 130 }
 131
 132 static void dump_reg_range(struct i2c_client *c, char *s, u8 init, const u8 end,int max_line)
 133 {
 134         int i=0;
 135
 136         while (init!=(u8)(end+1)) {
 137                 if ((i%max_line) == 0) {
 138                         if (i>0)
 139                                 printk("\n");
 140                         printk("tvp5150: %s reg 0x%02x = ",s,init);
 141                 }
 142                 printk("%02x ",tvp5150_read(c, init));
 143
 144                 init++;
 145                 i++;
 146         }
 147         printk("\n");
 148 }
 149
 150 static void dump_reg(struct i2c_client *c)
 151 {
 152         printk("tvp5150: Video input source selection #1 = 0x%02x\n",
 153                                         tvp5150_read(c, TVP5150_VD_IN_SRC_SEL_1));
 154         printk("tvp5150: Analog channel controls = 0x%02x\n",
 155                                         tvp5150_read(c, TVP5150_ANAL_CHL_CTL));
 156         printk("tvp5150: Operation mode controls = 0x%02x\n",
 157                                         tvp5150_read(c, TVP5150_OP_MODE_CTL));
 158         printk("tvp5150: Miscellaneous controls = 0x%02x\n",
 159                                         tvp5150_read(c, TVP5150_MISC_CTL));
 160         printk("tvp5150: Autoswitch mask= 0x%02x\n",
 161                                         tvp5150_read(c, TVP5150_AUTOSW_MSK));
 162         printk("tvp5150: Color killer threshold control = 0x%02x\n",
 163                                         tvp5150_read(c, TVP5150_COLOR_KIL_THSH_CTL));
 164         printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
 165                                         tvp5150_read(c, TVP5150_LUMA_PROC_CTL_1),
 166                                         tvp5150_read(c, TVP5150_LUMA_PROC_CTL_2),
 167                                         tvp5150_read(c, TVP5150_LUMA_PROC_CTL_3));
 168         printk("tvp5150: Brightness control = 0x%02x\n",
 169                                         tvp5150_read(c, TVP5150_BRIGHT_CTL));
 170         printk("tvp5150: Color saturation control = 0x%02x\n",
 171                                         tvp5150_read(c, TVP5150_SATURATION_CTL));
 172         printk("tvp5150: Hue control = 0x%02x\n",
 173                                         tvp5150_read(c, TVP5150_HUE_CTL));
 174         printk("tvp5150: Contrast control = 0x%02x\n",
 175                                         tvp5150_read(c, TVP5150_CONTRAST_CTL));
 176         printk("tvp5150: Outputs and data rates select = 0x%02x\n",
 177                                         tvp5150_read(c, TVP5150_DATA_RATE_SEL));
 178         printk("tvp5150: Configuration shared pins = 0x%02x\n",
 179                                         tvp5150_read(c, TVP5150_CONF_SHARED_PIN));
 180         printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
 181                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_MSB),
 182                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_LSB));
 183         printk("tvp5150: Active video cropping stop  = 0x%02x%02x\n",
 184                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_MSB),
 185                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_LSB));
 186         printk("tvp5150: Genlock/RTC = 0x%02x\n",
 187                                         tvp5150_read(c, TVP5150_GENLOCK));
 188         printk("tvp5150: Horizontal sync start = 0x%02x\n",
 189                                         tvp5150_read(c, TVP5150_HORIZ_SYNC_START));
 190         printk("tvp5150: Vertical blanking start = 0x%02x\n",
 191                                         tvp5150_read(c, TVP5150_VERT_BLANKING_START));
 192         printk("tvp5150: Vertical blanking stop = 0x%02x\n",
 193                                         tvp5150_read(c, TVP5150_VERT_BLANKING_STOP));
 194         printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
 195                                         tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_1),
 196                                         tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_2));
 197         printk("tvp5150: Interrupt reset register B = 0x%02x\n",
 198                                         tvp5150_read(c, TVP5150_INT_RESET_REG_B));
 199         printk("tvp5150: Interrupt enable register B = 0x%02x\n",
 200                                         tvp5150_read(c, TVP5150_INT_ENABLE_REG_B));
 201         printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
 202                                         tvp5150_read(c, TVP5150_INTT_CONFIG_REG_B));
 203         printk("tvp5150: Video standard = 0x%02x\n",
 204                                         tvp5150_read(c, TVP5150_VIDEO_STD));
 205         printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
 206                                         tvp5150_read(c, TVP5150_CB_GAIN_FACT),
 207                                         tvp5150_read(c, TVP5150_CR_GAIN_FACTOR));
 208         printk("tvp5150: Macrovision on counter = 0x%02x\n",
 209                                         tvp5150_read(c, TVP5150_MACROVISION_ON_CTR));
 210         printk("tvp5150: Macrovision off counter = 0x%02x\n",
 211                                         tvp5150_read(c, TVP5150_MACROVISION_OFF_CTR));
 212         printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
 213                                         (tvp5150_read(c, TVP5150_REV_SELECT)&1)?3:4);
 214         printk("tvp5150: Device ID = %02x%02x\n",
 215                                         tvp5150_read(c, TVP5150_MSB_DEV_ID),
 216                                         tvp5150_read(c, TVP5150_LSB_DEV_ID));
 217         printk("tvp5150: ROM version = (hex) %02x.%02x\n",
 218                                         tvp5150_read(c, TVP5150_ROM_MAJOR_VER),
 219                                         tvp5150_read(c, TVP5150_ROM_MINOR_VER));
 220         printk("tvp5150: Vertical line count = 0x%02x%02x\n",
 221                                         tvp5150_read(c, TVP5150_VERT_LN_COUNT_MSB),
 222                                         tvp5150_read(c, TVP5150_VERT_LN_COUNT_LSB));
 223         printk("tvp5150: Interrupt status register B = 0x%02x\n",
 224                                         tvp5150_read(c, TVP5150_INT_STATUS_REG_B));
 225         printk("tvp5150: Interrupt active register B = 0x%02x\n",
 226                                         tvp5150_read(c, TVP5150_INT_ACTIVE_REG_B));
 227         printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
 228                                         tvp5150_read(c, TVP5150_STATUS_REG_1),
 229                                         tvp5150_read(c, TVP5150_STATUS_REG_2),
 230                                         tvp5150_read(c, TVP5150_STATUS_REG_3),
 231                                         tvp5150_read(c, TVP5150_STATUS_REG_4),
 232                                         tvp5150_read(c, TVP5150_STATUS_REG_5));
 233
 234         dump_reg_range(c,"Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
 235                                                 TVP5150_TELETEXT_FIL1_END,8);
 236         dump_reg_range(c,"Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
 237                                                 TVP5150_TELETEXT_FIL2_END,8);
 238
 239         printk("tvp5150: Teletext filter enable = 0x%02x\n",
 240                                         tvp5150_read(c, TVP5150_TELETEXT_FIL_ENA));
 241         printk("tvp5150: Interrupt status register A = 0x%02x\n",
 242                                         tvp5150_read(c, TVP5150_INT_STATUS_REG_A));
 243         printk("tvp5150: Interrupt enable register A = 0x%02x\n",
 244                                         tvp5150_read(c, TVP5150_INT_ENABLE_REG_A));
 245         printk("tvp5150: Interrupt configuration = 0x%02x\n",
 246                                         tvp5150_read(c, TVP5150_INT_CONF));
 247         printk("tvp5150: VDP status register = 0x%02x\n",
 248                                         tvp5150_read(c, TVP5150_VDP_STATUS_REG));
 249         printk("tvp5150: FIFO word count = 0x%02x\n",
 250                                         tvp5150_read(c, TVP5150_FIFO_WORD_COUNT));
 251         printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
 252                                         tvp5150_read(c, TVP5150_FIFO_INT_THRESHOLD));
 253         printk("tvp5150: FIFO reset = 0x%02x\n",
 254                                         tvp5150_read(c, TVP5150_FIFO_RESET));
 255         printk("tvp5150: Line number interrupt = 0x%02x\n",
 256                                         tvp5150_read(c, TVP5150_LINE_NUMBER_INT));
 257         printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
 258                                         tvp5150_read(c, TVP5150_PIX_ALIGN_REG_HIGH),
 259                                         tvp5150_read(c, TVP5150_PIX_ALIGN_REG_LOW));
 260         printk("tvp5150: FIFO output control = 0x%02x\n",
 261                                         tvp5150_read(c, TVP5150_FIFO_OUT_CTRL));
 262         printk("tvp5150: Full field enable = 0x%02x\n",
 263                                         tvp5150_read(c, TVP5150_FULL_FIELD_ENA));
 264         printk("tvp5150: Full field mode register = 0x%02x\n",
 265                                         tvp5150_read(c, TVP5150_FULL_FIELD_MODE_REG));
 266
 267         dump_reg_range(c,"CC   data",   TVP5150_CC_DATA_INI,
 268                                         TVP5150_CC_DATA_END,8);
 269
 270         dump_reg_range(c,"WSS  data",   TVP5150_WSS_DATA_INI,
 271                                         TVP5150_WSS_DATA_END,8);
 272
 273         dump_reg_range(c,"VPS  data",   TVP5150_VPS_DATA_INI,
 274                                         TVP5150_VPS_DATA_END,8);
 275
 276         dump_reg_range(c,"VITC data",   TVP5150_VITC_DATA_INI,
 277                                         TVP5150_VITC_DATA_END,10);
 278
 279         dump_reg_range(c,"Line mode",   TVP5150_LINE_MODE_INI,
 280                                         TVP5150_LINE_MODE_END,8);
 281 }
 282
 283 /****************************************************************************
 284                         Basic functions
 285  ****************************************************************************/
 286 enum tvp5150_input {
 287         TVP5150_ANALOG_CH0 = 0,
 288         TVP5150_SVIDEO = 1,
 289         TVP5150_ANALOG_CH1 = 2,
 290         TVP5150_BLACK_SCREEN = 8
 291 };
 292
 293 static inline void tvp5150_selmux(struct i2c_client *c,
 294                                   enum tvp5150_input input)
 295 {
 296         int opmode=0;
 297
 298         struct tvp5150 *decoder = i2c_get_clientdata(c);
 299
 300         if (!decoder->enable)
 301                 input |= TVP5150_BLACK_SCREEN;
 302
 303         switch (input) {
 304         case TVP5150_ANALOG_CH0:
 305         case TVP5150_ANALOG_CH1:
 306                 opmode=0x30;            /* TV Mode */
 307                 break;
 308         default:
 309                 opmode=0;               /* Auto Mode */
 310                 break;
 311         }
 312
 313         tvp5150_write(c, TVP5150_OP_MODE_CTL, opmode);
 314         tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input);
 315 };
 316
 317 struct i2c_reg_value {
 318         unsigned char reg;
 319         unsigned char value;
 320 };
 321
 322 /* Default values as sugested at TVP5150AM1 datasheet */
 323 static const struct i2c_reg_value tvp5150_init_default[] = {
 324         { /* 0x00 */
 325                 TVP5150_VD_IN_SRC_SEL_1,0x00
 326         },
 327         { /* 0x01 */
 328                 TVP5150_ANAL_CHL_CTL,0x15
 329         },
 330         { /* 0x02 */
 331                 TVP5150_OP_MODE_CTL,0x00
 332         },
 333         { /* 0x03 */
 334                 TVP5150_MISC_CTL,0x01
 335         },
 336         { /* 0x06 */
 337                 TVP5150_COLOR_KIL_THSH_CTL,0x10
 338         },
 339         { /* 0x07 */
 340                 TVP5150_LUMA_PROC_CTL_1,0x60
 341         },
 342         { /* 0x08 */
 343                 TVP5150_LUMA_PROC_CTL_2,0x00
 344         },
 345         { /* 0x09 */
 346                 TVP5150_BRIGHT_CTL,0x80
 347         },
 348         { /* 0x0a */
 349                 TVP5150_SATURATION_CTL,0x80
 350         },
 351         { /* 0x0b */
 352                 TVP5150_HUE_CTL,0x00
 353         },
 354         { /* 0x0c */
 355                 TVP5150_CONTRAST_CTL,0x80
 356         },
 357         { /* 0x0d */
 358                 TVP5150_DATA_RATE_SEL,0x47
 359         },
 360         { /* 0x0e */
 361                 TVP5150_LUMA_PROC_CTL_3,0x00
 362         },
 363         { /* 0x0f */
 364                 TVP5150_CONF_SHARED_PIN,0x08
 365         },
 366         { /* 0x11 */
 367                 TVP5150_ACT_VD_CROP_ST_MSB,0x00
 368         },
 369         { /* 0x12 */
 370                 TVP5150_ACT_VD_CROP_ST_LSB,0x00
 371         },
 372         { /* 0x13 */
 373                 TVP5150_ACT_VD_CROP_STP_MSB,0x00
 374         },
 375         { /* 0x14 */
 376                 TVP5150_ACT_VD_CROP_STP_LSB,0x00
 377         },
 378         { /* 0x15 */
 379                 TVP5150_GENLOCK,0x01
 380         },
 381         { /* 0x16 */
 382                 TVP5150_HORIZ_SYNC_START,0x80
 383         },
 384         { /* 0x18 */
 385                 TVP5150_VERT_BLANKING_START,0x00
 386         },
 387         { /* 0x19 */
 388                 TVP5150_VERT_BLANKING_STOP,0x00
 389         },
 390         { /* 0x1a */
 391                 TVP5150_CHROMA_PROC_CTL_1,0x0c
 392         },
 393         { /* 0x1b */
 394                 TVP5150_CHROMA_PROC_CTL_2,0x14
 395         },
 396         { /* 0x1c */
 397                 TVP5150_INT_RESET_REG_B,0x00
 398         },
 399         { /* 0x1d */
 400                 TVP5150_INT_ENABLE_REG_B,0x00
 401         },
 402         { /* 0x1e */
 403                 TVP5150_INTT_CONFIG_REG_B,0x00
 404         },
 405         { /* 0x28 */
 406                 TVP5150_VIDEO_STD,0x00
 407         },
 408         { /* 0x2e */
 409                 TVP5150_MACROVISION_ON_CTR,0x0f
 410         },
 411         { /* 0x2f */
 412                 TVP5150_MACROVISION_OFF_CTR,0x01
 413         },
 414         { /* 0xbb */
 415                 TVP5150_TELETEXT_FIL_ENA,0x00
 416         },
 417         { /* 0xc0 */
 418                 TVP5150_INT_STATUS_REG_A,0x00
 419         },
 420         { /* 0xc1 */
 421                 TVP5150_INT_ENABLE_REG_A,0x00
 422         },
 423         { /* 0xc2 */
 424                 TVP5150_INT_CONF,0x04
 425         },
 426         { /* 0xc8 */
 427                 TVP5150_FIFO_INT_THRESHOLD,0x80
 428         },
 429         { /* 0xc9 */
 430                 TVP5150_FIFO_RESET,0x00
 431         },
 432         { /* 0xca */
 433                 TVP5150_LINE_NUMBER_INT,0x00
 434         },
 435         { /* 0xcb */
 436                 TVP5150_PIX_ALIGN_REG_LOW,0x4e
 437         },
 438         { /* 0xcc */
 439                 TVP5150_PIX_ALIGN_REG_HIGH,0x00
 440         },
 441         { /* 0xcd */
 442                 TVP5150_FIFO_OUT_CTRL,0x01
 443         },
 444         { /* 0xcf */
 445                 TVP5150_FULL_FIELD_ENA,0x00
 446         },
 447         { /* 0xd0 */
 448                 TVP5150_LINE_MODE_INI,0x00
 449         },
 450         { /* 0xfc */
 451                 TVP5150_FULL_FIELD_MODE_REG,0x7f
 452         },
 453         { /* end of data */
 454                 0xff,0xff
 455         }
 456 };
 457
 458 /* Default values as sugested at TVP5150AM1 datasheet */
 459 static const struct i2c_reg_value tvp5150_init_enable[] = {
 460         {
 461                 TVP5150_CONF_SHARED_PIN, 2
 462         },{     /* Automatic offset and AGC enabled */
 463                 TVP5150_ANAL_CHL_CTL, 0x15
 464         },{     /* Activate YCrCb output 0x9 or 0xd ? */
 465                 TVP5150_MISC_CTL, 0x6f
 466         },{     /* Activates video std autodetection for all standards */
 467                 TVP5150_AUTOSW_MSK, 0x0
 468         },{     /* Default format: 0x47. For 4:2:2: 0x40 */
 469                 TVP5150_DATA_RATE_SEL, 0x47
 470         },{
 471                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 472         },{
 473                 TVP5150_CHROMA_PROC_CTL_2, 0x54
 474         },{     /* Non documented, but initialized on WinTV USB2 */
 475                 0x27, 0x20
 476         },{
 477                 0xff,0xff
 478         }
 479 };
 480
 481 struct tvp5150_vbi_type {
 482         unsigned int vbi_type;
 483         unsigned int ini_line;
 484         unsigned int end_line;
 485         unsigned int by_field :1;
 486 };
 487
 488 struct i2c_vbi_ram_value {
 489         u16 reg;
 490         struct tvp5150_vbi_type type;
 491         unsigned char values[16];
 492 };
 493
 494 /* This struct have the values for each supported VBI Standard
 495  * by
 496  tvp5150_vbi_types should follow the same order as vbi_ram_default
 497  * value 0 means rom position 0x10, value 1 means rom position 0x30
 498  * and so on. There are 16 possible locations from 0 to 15.
 499  */
 500
 501 static struct i2c_vbi_ram_value vbi_ram_default[] =
 502 {
 503         /* FIXME: Current api doesn't handle all VBI types, those not
 504            yet supported are placed under #if 0 */
 505 #if 0
 506         {0x010, /* Teletext, SECAM, WST System A */
 507                 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
 508                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 509                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 510         },
 511 #endif
 512         {0x030, /* Teletext, PAL, WST System B */
 513                 {V4L2_SLICED_TELETEXT_B,6,22,1},
 514                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 515                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 516         },
 517 #if 0
 518         {0x050, /* Teletext, PAL, WST System C */
 519                 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
 520                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 521                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 522         },
 523         {0x070, /* Teletext, NTSC, WST System B */
 524                 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
 525                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 526                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 527         },
 528         {0x090, /* Tetetext, NTSC NABTS System C */
 529                 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
 530                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 531                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 532         },
 533         {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 534                 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
 535                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 536                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 537         },
 538         {0x0d0, /* Closed Caption, PAL/SECAM */
 539                 {V4L2_SLICED_CAPTION_625,22,22,1},
 540                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 541                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 542         },
 543 #endif
 544         {0x0f0, /* Closed Caption, NTSC */
 545                 {V4L2_SLICED_CAPTION_525,21,21,1},
 546                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 547                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 548         },
 549         {0x110, /* Wide Screen Signal, PAL/SECAM */
 550                 {V4L2_SLICED_WSS_625,23,23,1},
 551                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 552                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 553         },
 554 #if 0
 555         {0x130, /* Wide Screen Signal, NTSC C */
 556                 {V4L2_SLICED_WSS_525,20,20,1},
 557                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 558                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 559         },
 560         {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 561                 {V4l2_SLICED_VITC_625,6,22,0},
 562                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 563                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 564         },
 565         {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 566                 {V4l2_SLICED_VITC_525,10,20,0},
 567                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 568                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 569         },
 570 #endif
 571         {0x190, /* Video Program System (VPS), PAL */
 572                 {V4L2_SLICED_VPS,16,16,0},
 573                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 574                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 575         },
 576         /* 0x1d0 User programmable */
 577
 578         /* End of struct */
 579         { (u16)-1 }
 580 };
 581
 582 static int tvp5150_write_inittab(struct i2c_client *c,
 583                                 const struct i2c_reg_value *regs)
 584 {
 585         while (regs->reg != 0xff) {
 586                 tvp5150_write(c, regs->reg, regs->value);
 587                 regs++;
 588         }
 589         return 0;
 590 }
 591
 592 static int tvp5150_vdp_init(struct i2c_client *c,
 593                                 const struct i2c_vbi_ram_value *regs)
 594 {
 595         unsigned int i;
 596
 597         /* Disable Full Field */
 598         tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
 599
 600         /* Before programming, Line mode should be at 0xff */
 601         for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
 602                 tvp5150_write(c, i, 0xff);
 603
 604         /* Load Ram Table */
 605         while (regs->reg != (u16)-1 ) {
 606                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_HIGH,regs->reg>>8);
 607                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_LOW,regs->reg);
 608
 609                 for (i=0;i<16;i++)
 610                         tvp5150_write(c, TVP5150_VDP_CONF_RAM_DATA,regs->values[i]);
 611
 612                 regs++;
 613         }
 614         return 0;
 615 }
 616
 617 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 618 static void tvp5150_vbi_get_cap(const struct i2c_vbi_ram_value *regs,
 619                                 struct v4l2_sliced_vbi_cap *cap)
 620 {
 621         int line;
 622
 623         memset(cap, 0, sizeof *cap);
 624
 625         while (regs->reg != (u16)-1 ) {
 626                 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
 627                         cap->service_lines[0][line] |= regs->type.vbi_type;
 628                 }
 629                 cap->service_set |= regs->type.vbi_type;
 630
 631                 regs++;
 632         }
 633 }
 634
 635 /* Set vbi processing
 636  * type - one of tvp5150_vbi_types
 637  * line - line to gather data
 638  * fields: bit 0 field1, bit 1, field2
 639  * flags (default=0xf0) is a bitmask, were set means:
 640  *      bit 7: enable filtering null bytes on CC
 641  *      bit 6: send data also to FIFO
 642  *      bit 5: don't allow data with errors on FIFO
 643  *      bit 4: enable ECC when possible
 644  * pix_align = pix alignment:
 645  *      LSB = field1
 646  *      MSB = field2
 647  */
 648 static int tvp5150_set_vbi(struct i2c_client *c,
 649                         const struct i2c_vbi_ram_value *regs,
 650                         unsigned int type,u8 flags, int line,
 651                         const int fields)
 652 {
 653         struct tvp5150 *decoder = i2c_get_clientdata(c);
 654         v4l2_std_id std=decoder->norm;
 655         u8 reg;
 656         int pos=0;
 657
 658         if (std == V4L2_STD_ALL) {
 659                 tvp5150_err("VBI can't be configured without knowing number of lines\n");
 660                 return 0;
 661         } else if (std && V4L2_STD_625_50) {
 662                 /* Don't follow NTSC Line number convension */
 663                 line += 3;
 664         }
 665
 666         if (line<6||line>27)
 667                 return 0;
 668
 669         while (regs->reg != (u16)-1 ) {
 670                 if ((type & regs->type.vbi_type) &&
 671                     (line>=regs->type.ini_line) &&
 672                     (line<=regs->type.end_line)) {
 673                         type=regs->type.vbi_type;
 674                         break;
 675                 }
 676
 677                 regs++;
 678                 pos++;
 679         }
 680         if (regs->reg == (u16)-1)
 681                 return 0;
 682
 683         type=pos | (flags & 0xf0);
 684         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 685
 686         if (fields&1) {
 687                 tvp5150_write(c, reg, type);
 688         }
 689
 690         if (fields&2) {
 691                 tvp5150_write(c, reg+1, type);
 692         }
 693
 694         return type;
 695 }
 696
 697 static int tvp5150_get_vbi(struct i2c_client *c,
 698                         const struct i2c_vbi_ram_value *regs, int line)
 699 {
 700         struct tvp5150 *decoder = i2c_get_clientdata(c);
 701         v4l2_std_id std=decoder->norm;
 702         u8 reg;
 703         int pos, type=0;
 704
 705         if (std == V4L2_STD_ALL) {
 706                 tvp5150_err("VBI can't be configured without knowing number of lines\n");
 707                 return 0;
 708         } else if (std && V4L2_STD_625_50) {
 709                 /* Don't follow NTSC Line number convension */
 710                 line += 3;
 711         }
 712
 713         if (line<6||line>27)
 714                 return 0;
 715
 716         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 717
 718         pos=tvp5150_read(c, reg)&0x0f;
 719         if (pos<0x0f)
 720                 type=regs[pos].type.vbi_type;
 721
 722         pos=tvp5150_read(c, reg+1)&0x0f;
 723         if (pos<0x0f)
 724                 type|=regs[pos].type.vbi_type;
 725
 726         return type;
 727 }
 728 static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)
 729 {
 730         struct tvp5150 *decoder = i2c_get_clientdata(c);
 731         int fmt=0;
 732
 733         decoder->norm=std;
 734
 735         /* First tests should be against specific std */
 736
 737         if (std == V4L2_STD_ALL) {
 738                 fmt=0;  /* Autodetect mode */
 739         } else if (std & V4L2_STD_NTSC_443) {
 740                 fmt=0xa;
 741         } else if (std & V4L2_STD_PAL_M) {
 742                 fmt=0x6;
 743         } else if (std & (V4L2_STD_PAL_N| V4L2_STD_PAL_Nc)) {
 744                 fmt=0x8;
 745         } else {
 746                 /* Then, test against generic ones */
 747                 if (std & V4L2_STD_NTSC) {
 748                         fmt=0x2;
 749                 } else if (std & V4L2_STD_PAL) {
 750                         fmt=0x4;
 751                 } else if (std & V4L2_STD_SECAM) {
 752                         fmt=0xc;
 753                 }
 754         }
 755
 756         tvp5150_dbg(1,"Set video std register to %d.\n",fmt);
 757         tvp5150_write(c, TVP5150_VIDEO_STD, fmt);
 758
 759         return 0;
 760 }
 761
 762 static inline void tvp5150_reset(struct i2c_client *c)
 763 {
 764         u8 msb_id, lsb_id, msb_rom, lsb_rom;
 765         struct tvp5150 *decoder = i2c_get_clientdata(c);
 766
 767         msb_id=tvp5150_read(c,TVP5150_MSB_DEV_ID);
 768         lsb_id=tvp5150_read(c,TVP5150_LSB_DEV_ID);
 769         msb_rom=tvp5150_read(c,TVP5150_ROM_MAJOR_VER);
 770         lsb_rom=tvp5150_read(c,TVP5150_ROM_MINOR_VER);
 771
 772         if ((msb_rom==4)&&(lsb_rom==0)) { /* Is TVP5150AM1 */
 773                 tvp5150_info("tvp%02x%02xam1 detected.\n",msb_id, lsb_id);
 774
 775                 /* ITU-T BT.656.4 timing */
 776                 tvp5150_write(c,TVP5150_REV_SELECT,0);
 777         } else {
 778                 if ((msb_rom==3)||(lsb_rom==0x21)) { /* Is TVP5150A */
 779                         tvp5150_info("tvp%02x%02xa detected.\n",msb_id, lsb_id);
 780                 } else {
 781                         tvp5150_info("*** unknown tvp%02x%02x chip detected.\n",msb_id,lsb_id);
 782                         tvp5150_info("*** Rom ver is %d.%d\n",msb_rom,lsb_rom);
 783                 }
 784         }
 785
 786         /* Initializes TVP5150 to its default values */
 787         tvp5150_write_inittab(c, tvp5150_init_default);
 788
 789         /* Initializes VDP registers */
 790         tvp5150_vdp_init(c, vbi_ram_default);
 791
 792         /* Selects decoder input */
 793         tvp5150_selmux(c, decoder->input);
 794
 795         /* Initializes TVP5150 to stream enabled values */
 796         tvp5150_write_inittab(c, tvp5150_init_enable);
 797
 798         /* Initialize image preferences */
 799         tvp5150_write(c, TVP5150_BRIGHT_CTL, decoder->bright >> 8);
 800         tvp5150_write(c, TVP5150_CONTRAST_CTL, decoder->contrast >> 8);
 801         tvp5150_write(c, TVP5150_SATURATION_CTL, decoder->contrast >> 8);
 802         tvp5150_write(c, TVP5150_HUE_CTL, (decoder->hue - 32768) >> 8);
 803
 804         tvp5150_set_std(c, decoder->norm);
 805 };
 806
 807 static int tvp5150_get_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 808 {
 809 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 810
 811         switch (ctrl->id) {
 812         case V4L2_CID_BRIGHTNESS:
 813                 ctrl->value = tvp5150_read(c, TVP5150_BRIGHT_CTL);
 814                 return 0;
 815         case V4L2_CID_CONTRAST:
 816                 ctrl->value = tvp5150_read(c, TVP5150_CONTRAST_CTL);
 817                 return 0;
 818         case V4L2_CID_SATURATION:
 819                 ctrl->value = tvp5150_read(c, TVP5150_SATURATION_CTL);
 820                 return 0;
 821         case V4L2_CID_HUE:
 822                 ctrl->value = tvp5150_read(c, TVP5150_HUE_CTL);
 823                 return 0;
 824         }
 825         return -EINVAL;
 826 }
 827
 828 static int tvp5150_set_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 829 {
 830 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 831
 832         switch (ctrl->id) {
 833         case V4L2_CID_BRIGHTNESS:
 834                 tvp5150_write(c, TVP5150_BRIGHT_CTL, ctrl->value);
 835                 return 0;
 836         case V4L2_CID_CONTRAST:
 837                 tvp5150_write(c, TVP5150_CONTRAST_CTL, ctrl->value);
 838                 return 0;
 839         case V4L2_CID_SATURATION:
 840                 tvp5150_write(c, TVP5150_SATURATION_CTL, ctrl->value);
 841                 return 0;
 842         case V4L2_CID_HUE:
 843                 tvp5150_write(c, TVP5150_HUE_CTL, ctrl->value);
 844                 return 0;
 845         }
 846         return -EINVAL;
 847 }
 848
 849 /****************************************************************************
 850                         I2C Command
 851  ****************************************************************************/
 852 static int tvp5150_command(struct i2c_client *c,
 853                            unsigned int cmd, void *arg)
 854 {
 855         struct tvp5150 *decoder = i2c_get_clientdata(c);
 856
 857         switch (cmd) {
 858
 859         case 0:
 860         case VIDIOC_INT_RESET:
 861         case DECODER_INIT:
 862                 tvp5150_reset(c);
 863                 break;
 864         case VIDIOC_S_STD:
 865                 if (decoder->norm == *(v4l2_std_id *)arg)
 866                         break;
 867                 return tvp5150_set_std(c, *(v4l2_std_id *)arg);
 868         case VIDIOC_G_STD:
 869                 *(v4l2_std_id *)arg = decoder->norm;
 870                 break;
 871
 872         case VIDIOC_G_SLICED_VBI_CAP:
 873         {
 874                 struct v4l2_sliced_vbi_cap *cap = arg;
 875                 tvp5150_dbg(1, "VIDIOC_G_SLICED_VBI_CAP\n");
 876
 877                 tvp5150_vbi_get_cap(vbi_ram_default, cap);
 878                 break;
 879         }
 880         case VIDIOC_S_FMT:
 881         {
 882                 struct v4l2_format *fmt;
 883                 struct v4l2_sliced_vbi_format *svbi;
 884                 int i;
 885
 886                 fmt = arg;
 887                 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
 888                         return -EINVAL;
 889                 svbi = &fmt->fmt.sliced;
 890                 if (svbi->service_set != 0) {
 891                         for (i = 0; i <= 23; i++) {
 892                                 svbi->service_lines[1][i] = 0;
 893
 894                                 svbi->service_lines[0][i]=tvp5150_set_vbi(c,
 895                                          vbi_ram_default,
 896                                          svbi->service_lines[0][i],0xf0,i,3);
 897                         }
 898                         /* Enables FIFO */
 899                         tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,1);
 900                 } else {
 901                         /* Disables FIFO*/
 902                         tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,0);
 903
 904                         /* Disable Full Field */
 905                         tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
 906
 907                         /* Disable Line modes */
 908                         for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
 909                                 tvp5150_write(c, i, 0xff);
 910                 }
 911                 break;
 912         }
 913         case VIDIOC_G_FMT:
 914         {
 915                 struct v4l2_format *fmt;
 916                 struct v4l2_sliced_vbi_format *svbi;
 917
 918                 int i, mask=0;
 919
 920                 fmt = arg;
 921                 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
 922                         return -EINVAL;
 923                 svbi = &fmt->fmt.sliced;
 924                 memset(svbi, 0, sizeof(*svbi));
 925
 926                 for (i = 0; i <= 23; i++) {
 927                         svbi->service_lines[0][i]=tvp5150_get_vbi(c,
 928                                 vbi_ram_default,i);
 929                         mask|=svbi->service_lines[0][i];
 930                 }
 931                 svbi->service_set=mask;
 932                 break;
 933         }
 934
 935 #ifdef CONFIG_VIDEO_ADV_DEBUG
 936         case VIDIOC_INT_G_REGISTER:
 937         {
 938                 struct v4l2_register *reg = arg;
 939
 940                 if (reg->i2c_id != I2C_DRIVERID_TVP5150)
 941                         return -EINVAL;
 942                 reg->val = tvp5150_read(c, reg->reg & 0xff);
 943                 break;
 944         }
 945
 946         case VIDIOC_INT_S_REGISTER:
 947         {
 948                 struct v4l2_register *reg = arg;
 949
 950                 if (reg->i2c_id != I2C_DRIVERID_TVP5150)
 951                         return -EINVAL;
 952                 if (!capable(CAP_SYS_ADMIN))
 953                         return -EPERM;
 954                 tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff);
 955                 break;
 956         }
 957 #endif
 958
 959         case VIDIOC_LOG_STATUS:
 960         case DECODER_DUMP:
 961                 dump_reg(c);
 962                 break;
 963
 964         case DECODER_GET_CAPABILITIES:
 965                 {
 966                         struct video_decoder_capability *cap = arg;
 967
 968                         cap->flags = VIDEO_DECODER_PAL |
 969                             VIDEO_DECODER_NTSC |
 970                             VIDEO_DECODER_SECAM |
 971                             VIDEO_DECODER_AUTO | VIDEO_DECODER_CCIR;
 972                         cap->inputs = 3;
 973                         cap->outputs = 1;
 974                         break;
 975                 }
 976         case DECODER_GET_STATUS:
 977                 {
 978                         int *iarg = arg;
 979                         int status;
 980                         int res=0;
 981                         status = tvp5150_read(c, 0x88);
 982                         if(status&0x08){
 983                                 res |= DECODER_STATUS_COLOR;
 984                         }
 985                         if(status&0x04 && status&0x02){
 986                                 res |= DECODER_STATUS_GOOD;
 987                         }
 988                         *iarg=res;
 989                         break;
 990                 }
 991
 992         case DECODER_SET_GPIO:
 993                 break;
 994
 995         case DECODER_SET_VBI_BYPASS:
 996                 break;
 997
 998         case DECODER_SET_NORM:
 999                 {
1000                         int *iarg = arg;
1001
1002                         switch (*iarg) {
1003
1004                         case VIDEO_MODE_NTSC:
1005                                 break;
1006
1007                         case VIDEO_MODE_PAL:
1008                                 break;
1009
1010                         case VIDEO_MODE_SECAM:
1011                                 break;
1012
1013                         case VIDEO_MODE_AUTO:
1014                                 break;
1015
1016                         default:
1017                                 return -EINVAL;
1018
1019                         }
1020                         decoder->norm = *iarg;
1021                         break;
1022                 }
1023         case DECODER_SET_INPUT:
1024                 {
1025                         int *iarg = arg;
1026                         if (*iarg < 0 || *iarg > 3) {
1027                                 return -EINVAL;
1028                         }
1029
1030                         decoder->input = *iarg;
1031                         tvp5150_selmux(c, decoder->input);
1032
1033                         break;
1034                 }
1035         case DECODER_SET_OUTPUT:
1036                 {
1037                         int *iarg = arg;
1038
1039                         /* not much choice of outputs */
1040                         if (*iarg != 0) {
1041                                 return -EINVAL;
1042                         }
1043                         break;
1044                 }
1045         case DECODER_ENABLE_OUTPUT:
1046                 {
1047                         int *iarg = arg;
1048
1049                         decoder->enable = (*iarg != 0);
1050
1051                         tvp5150_selmux(c, decoder->input);
1052
1053                         break;
1054                 }
1055         case VIDIOC_QUERYCTRL:
1056                 {
1057                         struct v4l2_queryctrl *qc = arg;
1058                         int i;
1059
1060                         tvp5150_dbg(1, "VIDIOC_QUERYCTRL called\n");
1061
1062                         for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++)
1063                                 if (qc->id && qc->id == tvp5150_qctrl[i].id) {
1064                                         memcpy(qc, &(tvp5150_qctrl[i]),
1065                                                sizeof(*qc));
1066                                         return 0;
1067                                 }
1068
1069                         return -EINVAL;
1070                 }
1071         case VIDIOC_G_CTRL:
1072                 {
1073                         struct v4l2_control *ctrl = arg;
1074                         tvp5150_dbg(1, "VIDIOC_G_CTRL called\n");
1075
1076                         return tvp5150_get_ctrl(c, ctrl);
1077                 }
1078         case VIDIOC_S_CTRL:
1079                 {
1080                         struct v4l2_control *ctrl = arg;
1081                         u8 i, n;
1082                         n = sizeof(tvp5150_qctrl) / sizeof(tvp5150_qctrl[0]);
1083                         for (i = 0; i < n; i++)
1084                                 if (ctrl->id == tvp5150_qctrl[i].id) {
1085                                         if (ctrl->value <
1086                                             tvp5150_qctrl[i].minimum
1087                                             || ctrl->value >
1088                                             tvp5150_qctrl[i].maximum)
1089                                                 return -ERANGE;
1090                                         tvp5150_dbg(1,
1091                                                 "VIDIOC_S_CTRL: id=%d, value=%d\n",
1092                                                 ctrl->id, ctrl->value);
1093                                         return tvp5150_set_ctrl(c, ctrl);
1094                                 }
1095                         return -EINVAL;
1096                 }
1097
1098         case DECODER_SET_PICTURE:
1099                 {
1100                         struct video_picture *pic = arg;
1101                         if (decoder->bright != pic->brightness) {
1102                                 /* We want 0 to 255 we get 0-65535 */
1103                                 decoder->bright = pic->brightness;
1104                                 tvp5150_write(c, TVP5150_BRIGHT_CTL,
1105                                               decoder->bright >> 8);
1106                         }
1107                         if (decoder->contrast != pic->contrast) {
1108                                 /* We want 0 to 255 we get 0-65535 */
1109                                 decoder->contrast = pic->contrast;
1110                                 tvp5150_write(c, TVP5150_CONTRAST_CTL,
1111                                               decoder->contrast >> 8);
1112                         }
1113                         if (decoder->sat != pic->colour) {
1114                                 /* We want 0 to 255 we get 0-65535 */
1115                                 decoder->sat = pic->colour;
1116                                 tvp5150_write(c, TVP5150_SATURATION_CTL,
1117                                               decoder->contrast >> 8);
1118                         }
1119                         if (decoder->hue != pic->hue) {
1120                                 /* We want -128 to 127 we get 0-65535 */
1121                                 decoder->hue = pic->hue;
1122                                 tvp5150_write(c, TVP5150_HUE_CTL,
1123                                               (decoder->hue - 32768) >> 8);
1124                         }
1125                         break;
1126                 }
1127         default:
1128                 return -EINVAL;
1129         }
1130
1131         return 0;
1132 }
1133
1134 /****************************************************************************
1135                         I2C Client & Driver
1136  ****************************************************************************/
1137 static struct i2c_driver driver;
1138
1139 static struct i2c_client client_template = {
1140         .name = "(unset)",
1141         .driver = &driver,
1142 };
1143
1144 static int tvp5150_detect_client(struct i2c_adapter *adapter,
1145                                  int address, int kind)
1146 {
1147         struct i2c_client *c;
1148         struct tvp5150 *core;
1149         int rv;
1150
1151         if (debug)
1152                 printk( KERN_INFO
1153                 "tvp5150.c: detecting tvp5150 client on address 0x%x\n",
1154                 address << 1);
1155
1156         client_template.adapter = adapter;
1157         client_template.addr = address;
1158
1159         /* Check if the adapter supports the needed features */
1160         if (!i2c_check_functionality
1161             (adapter,
1162              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1163                 return 0;
1164
1165         c = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
1166         if (c == 0)
1167                 return -ENOMEM;
1168         memcpy(c, &client_template, sizeof(struct i2c_client));
1169
1170         core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1171         if (core == 0) {
1172                 kfree(c);
1173                 return -ENOMEM;
1174         }
1175         i2c_set_clientdata(c, core);
1176
1177         rv = i2c_attach_client(c);
1178
1179         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1180         core->input = 2;
1181         core->enable = 1;
1182         core->bright = 32768;
1183         core->contrast = 32768;
1184         core->hue = 32768;
1185         core->sat = 32768;
1186
1187         if (rv) {
1188                 kfree(c);
1189                 kfree(core);
1190                 return rv;
1191         }
1192
1193         if (debug > 1)
1194                 dump_reg(c);
1195         return 0;
1196 }
1197
1198 static int tvp5150_attach_adapter(struct i2c_adapter *adapter)
1199 {
1200         if (debug)
1201                 printk( KERN_INFO
1202                 "tvp5150.c: starting probe for adapter %s (0x%x)\n",
1203                 adapter->name, adapter->id);
1204         return i2c_probe(adapter, &addr_data, &tvp5150_detect_client);
1205 }
1206
1207 static int tvp5150_detach_client(struct i2c_client *c)
1208 {
1209         struct tvp5150 *decoder = i2c_get_clientdata(c);
1210         int err;
1211
1212         tvp5150_dbg(1,
1213                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1214                 c->addr << 1);
1215
1216         err = i2c_detach_client(c);
1217         if (err) {
1218                 return err;
1219         }
1220
1221         kfree(decoder);
1222         kfree(c);
1223
1224         return 0;
1225 }
1226
1227 /* ----------------------------------------------------------------------- */
1228
1229 static struct i2c_driver driver = {
1230         .driver = {
1231                 .name = "tvp5150",
1232         },
1233         .id = I2C_DRIVERID_TVP5150,
1234
1235         .attach_adapter = tvp5150_attach_adapter,
1236         .detach_client = tvp5150_detach_client,
1237
1238         .command = tvp5150_command,
1239 };
1240
1241 static int __init tvp5150_init(void)
1242 {
1243         return i2c_add_driver(&driver);
1244 }
1245
1246 static void __exit tvp5150_exit(void)
1247 {
1248         i2c_del_driver(&driver);
1249 }
1250
1251 module_init(tvp5150_init);
1252 module_exit(tvp5150_exit);