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

   1 /*
   2  * tvp5150 - Texas Instruments TVP5150A/AM1 video decoder driver
   3  *
   4  * Copyright (c) 2005,2006 Mauro Carvalho Chehab (mchehab@infradead.org)
   5  * This code is placed under the terms of the GNU General Public License v2
   6  */
   7
   8 #include <linux/i2c.h>
   9 #include <linux/videodev.h>
  10 #include <linux/delay.h>
  11 #include <linux/video_decoder.h>
  12 #include <media/v4l2-common.h>
  13
  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 = 0,
  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 = 0x10,
  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 = 0x10,
  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 = 0x10,
  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         {0x010, /* Teletext, SECAM, WST System A */
 504                 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
 505                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 506                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 507         },
 508         {0x030, /* Teletext, PAL, WST System B */
 509                 {V4L2_SLICED_TELETEXT_PAL_B,6,22,1},
 510                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 511                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 512         },
 513         {0x050, /* Teletext, PAL, WST System C */
 514                 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
 515                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 516                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 517         },
 518         {0x070, /* Teletext, NTSC, WST System B */
 519                 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
 520                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 521                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 522         },
 523         {0x090, /* Tetetext, NTSC NABTS System C */
 524                 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
 525                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 526                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 527         },
 528         {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 529                 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
 530                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 531                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 532         },
 533         {0x0d0, /* Closed Caption, PAL/SECAM */
 534                 {V4L2_SLICED_CAPTION_625,22,22,1},
 535                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 536                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 537         },
 538         {0x0f0, /* Closed Caption, NTSC */
 539                 {V4L2_SLICED_CAPTION_525,21,21,1},
 540                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 541                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 542         },
 543         {0x110, /* Wide Screen Signal, PAL/SECAM */
 544                 {V4L2_SLICED_WSS_625,23,23,1},
 545                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 546                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 547         },
 548         {0x130, /* Wide Screen Signal, NTSC C */
 549                 {V4L2_SLICED_WSS_525,20,20,1},
 550                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 551                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 552         },
 553         {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 554                 {V4l2_SLICED_VITC_625,6,22,0},
 555                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 556                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 557         },
 558         {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 559                 {V4l2_SLICED_VITC_525,10,20,0},
 560                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 561                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 562         },
 563         {0x190, /* Video Program System (VPS), PAL */
 564                 {V4L2_SLICED_VPS,16,16,0},
 565                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 566                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 567         },
 568         /* 0x1d0 User programmable */
 569
 570         /* End of struct */
 571         { (u16)-1 }
 572 };
 573
 574 static int tvp5150_write_inittab(struct i2c_client *c,
 575                                 const struct i2c_reg_value *regs)
 576 {
 577         while (regs->reg != 0xff) {
 578                 tvp5150_write(c, regs->reg, regs->value);
 579                 regs++;
 580         }
 581         return 0;
 582 }
 583
 584 static int tvp5150_vdp_init(struct i2c_client *c,
 585                                 const struct i2c_vbi_ram_value *regs)
 586 {
 587         unsigned int i;
 588
 589         /* Disable Full Field */
 590         tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
 591
 592         /* Before programming, Line mode should be at 0xff */
 593         for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
 594                 tvp5150_write(c, i, 0xff);
 595
 596         /* Load Ram Table */
 597         while (regs->reg != (u16)-1 ) {
 598                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_HIGH,regs->reg>>8);
 599                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_LOW,regs->reg);
 600
 601                 for (i=0;i<16;i++)
 602                         tvp5150_write(c, TVP5150_VDP_CONF_RAM_DATA,regs->values[i]);
 603
 604                 regs++;
 605         }
 606         return 0;
 607 }
 608
 609 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 610 static void tvp5150_vbi_get_cap(const struct i2c_vbi_ram_value *regs,
 611                                 struct v4l2_sliced_vbi_cap *cap)
 612 {
 613         int line;
 614
 615         memset(cap, 0, sizeof *cap);
 616
 617         while (regs->reg != (u16)-1 ) {
 618                 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
 619                         cap->service_lines[0][line] |= regs->type.vbi_type;
 620                 }
 621                 cap->service_set |= regs->type.vbi_type;
 622
 623                 regs++;
 624         }
 625 }
 626
 627 /* Set vbi processing
 628  * type - one of tvp5150_vbi_types
 629  * line - line to gather data
 630  * fields: bit 0 field1, bit 1, field2
 631  * flags (default=0xf0) is a bitmask, were set means:
 632  *      bit 7: enable filtering null bytes on CC
 633  *      bit 6: send data also to FIFO
 634  *      bit 5: don't allow data with errors on FIFO
 635  *      bit 4: enable ECC when possible
 636  * pix_align = pix alignment:
 637  *      LSB = field1
 638  *      MSB = field2
 639  */
 640 static int tvp5150_set_vbi(struct i2c_client *c,
 641                         const struct i2c_vbi_ram_value *regs,
 642                         unsigned int type,u8 flags, int line,
 643                         const int fields)
 644 {
 645         struct tvp5150 *decoder = i2c_get_clientdata(c);
 646         v4l2_std_id std=decoder->norm;
 647         u8 reg;
 648         int pos=0;
 649
 650         if (std == V4L2_STD_ALL) {
 651                 tvp5150_err("VBI can't be configured without knowing number of lines\n");
 652                 return 0;
 653         } else if (std && V4L2_STD_625_50) {
 654                 /* Don't follow NTSC Line number convension */
 655                 line += 3;
 656         }
 657
 658         if (line<6||line>27)
 659                 return 0;
 660
 661         while (regs->reg != (u16)-1 ) {
 662                 if ((type & regs->type.vbi_type) &&
 663                     (line>=regs->type.ini_line) &&
 664                     (line<=regs->type.end_line)) {
 665                         type=regs->type.vbi_type;
 666                         break;
 667                 }
 668
 669                 regs++;
 670                 pos++;
 671         }
 672         if (regs->reg == (u16)-1)
 673                 return 0;
 674
 675         type=pos | (flags & 0xf0);
 676         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 677
 678         if (fields&1) {
 679                 tvp5150_write(c, reg, type);
 680         }
 681
 682         if (fields&2) {
 683                 tvp5150_write(c, reg+1, type);
 684         }
 685
 686         return type;
 687 }
 688
 689 static int tvp5150_get_vbi(struct i2c_client *c,
 690                         const struct i2c_vbi_ram_value *regs, int line)
 691 {
 692         struct tvp5150 *decoder = i2c_get_clientdata(c);
 693         v4l2_std_id std=decoder->norm;
 694         u8 reg;
 695         int pos, type=0;
 696
 697         if (std == V4L2_STD_ALL) {
 698                 tvp5150_err("VBI can't be configured without knowing number of lines\n");
 699                 return 0;
 700         } else if (std && V4L2_STD_625_50) {
 701                 /* Don't follow NTSC Line number convension */
 702                 line += 3;
 703         }
 704
 705         if (line<6||line>27)
 706                 return 0;
 707
 708         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 709
 710         pos=tvp5150_read(c, reg)&0x0f;
 711         if (pos<0x0f)
 712                 type=regs[pos].type.vbi_type;
 713
 714         pos=tvp5150_read(c, reg+1)&0x0f;
 715         if (pos<0x0f)
 716                 type|=regs[pos].type.vbi_type;
 717
 718         return type;
 719 }
 720 static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)
 721 {
 722         struct tvp5150 *decoder = i2c_get_clientdata(c);
 723         int fmt=0;
 724
 725         decoder->norm=std;
 726
 727         /* First tests should be against specific std */
 728
 729         if (std == V4L2_STD_ALL) {
 730                 fmt=0;  /* Autodetect mode */
 731         } else if (std & V4L2_STD_NTSC_443) {
 732                 fmt=0xa;
 733         } else if (std & V4L2_STD_PAL_M) {
 734                 fmt=0x6;
 735         } else if (std & (V4L2_STD_PAL_N| V4L2_STD_PAL_Nc)) {
 736                 fmt=0x8;
 737         } else {
 738                 /* Then, test against generic ones */
 739                 if (std & V4L2_STD_NTSC) {
 740                         fmt=0x2;
 741                 } else if (std & V4L2_STD_PAL) {
 742                         fmt=0x4;
 743                 } else if (std & V4L2_STD_SECAM) {
 744                         fmt=0xc;
 745                 }
 746         }
 747
 748         tvp5150_dbg(1,"Set video std register to %d.\n",fmt);
 749         tvp5150_write(c, TVP5150_VIDEO_STD, fmt);
 750
 751         return 0;
 752 }
 753
 754 static inline void tvp5150_reset(struct i2c_client *c)
 755 {
 756         u8 msb_id, lsb_id, msb_rom, lsb_rom;
 757         struct tvp5150 *decoder = i2c_get_clientdata(c);
 758
 759         msb_id=tvp5150_read(c,TVP5150_MSB_DEV_ID);
 760         lsb_id=tvp5150_read(c,TVP5150_LSB_DEV_ID);
 761         msb_rom=tvp5150_read(c,TVP5150_ROM_MAJOR_VER);
 762         lsb_rom=tvp5150_read(c,TVP5150_ROM_MINOR_VER);
 763
 764         if ((msb_rom==4)&&(lsb_rom==0)) { /* Is TVP5150AM1 */
 765                 tvp5150_info("tvp%02x%02xam1 detected.\n",msb_id, lsb_id);
 766
 767                 /* ITU-T BT.656.4 timing */
 768                 tvp5150_write(c,TVP5150_REV_SELECT,0);
 769         } else {
 770                 if ((msb_rom==3)||(lsb_rom==0x21)) { /* Is TVP5150A */
 771                         tvp5150_info("tvp%02x%02xa detected.\n",msb_id, lsb_id);
 772                 } else {
 773                         tvp5150_info("*** unknown tvp%02x%02x chip detected.\n",msb_id,lsb_id);
 774                         tvp5150_info("*** Rom ver is %d.%d\n",msb_rom,lsb_rom);
 775                 }
 776         }
 777
 778         /* Initializes TVP5150 to its default values */
 779         tvp5150_write_inittab(c, tvp5150_init_default);
 780
 781         /* Initializes VDP registers */
 782         tvp5150_vdp_init(c, vbi_ram_default);
 783
 784         /* Selects decoder input */
 785         tvp5150_selmux(c, decoder->input);
 786
 787         /* Initializes TVP5150 to stream enabled values */
 788         tvp5150_write_inittab(c, tvp5150_init_enable);
 789
 790         /* Initialize image preferences */
 791         tvp5150_write(c, TVP5150_BRIGHT_CTL, decoder->bright >> 8);
 792         tvp5150_write(c, TVP5150_CONTRAST_CTL, decoder->contrast >> 8);
 793         tvp5150_write(c, TVP5150_SATURATION_CTL, decoder->contrast >> 8);
 794         tvp5150_write(c, TVP5150_HUE_CTL, (decoder->hue - 32768) >> 8);
 795
 796         tvp5150_set_std(c, decoder->norm);
 797 };
 798
 799 static int tvp5150_get_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 800 {
 801 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 802
 803         switch (ctrl->id) {
 804         case V4L2_CID_BRIGHTNESS:
 805                 ctrl->value = tvp5150_read(c, TVP5150_BRIGHT_CTL);
 806                 return 0;
 807         case V4L2_CID_CONTRAST:
 808                 ctrl->value = tvp5150_read(c, TVP5150_CONTRAST_CTL);
 809                 return 0;
 810         case V4L2_CID_SATURATION:
 811                 ctrl->value = tvp5150_read(c, TVP5150_SATURATION_CTL);
 812                 return 0;
 813         case V4L2_CID_HUE:
 814                 ctrl->value = tvp5150_read(c, TVP5150_HUE_CTL);
 815                 return 0;
 816         }
 817         return -EINVAL;
 818 }
 819
 820 static int tvp5150_set_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 821 {
 822 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 823
 824         switch (ctrl->id) {
 825         case V4L2_CID_BRIGHTNESS:
 826                 tvp5150_write(c, TVP5150_BRIGHT_CTL, ctrl->value);
 827                 return 0;
 828         case V4L2_CID_CONTRAST:
 829                 tvp5150_write(c, TVP5150_CONTRAST_CTL, ctrl->value);
 830                 return 0;
 831         case V4L2_CID_SATURATION:
 832                 tvp5150_write(c, TVP5150_SATURATION_CTL, ctrl->value);
 833                 return 0;
 834         case V4L2_CID_HUE:
 835                 tvp5150_write(c, TVP5150_HUE_CTL, ctrl->value);
 836                 return 0;
 837         }
 838         return -EINVAL;
 839 }
 840
 841 /****************************************************************************
 842                         I2C Command
 843  ****************************************************************************/
 844 static int tvp5150_command(struct i2c_client *c,
 845                            unsigned int cmd, void *arg)
 846 {
 847         struct tvp5150 *decoder = i2c_get_clientdata(c);
 848
 849         switch (cmd) {
 850
 851         case 0:
 852         case VIDIOC_INT_RESET:
 853         case DECODER_INIT:
 854                 tvp5150_reset(c);
 855                 break;
 856         case VIDIOC_S_STD:
 857                 if (decoder->norm == *(v4l2_std_id *)arg)
 858                         break;
 859                 return tvp5150_set_std(c, *(v4l2_std_id *)arg);
 860         case VIDIOC_G_STD:
 861                 *(v4l2_std_id *)arg = decoder->norm;
 862                 break;
 863
 864         case VIDIOC_G_SLICED_VBI_CAP:
 865         {
 866                 struct v4l2_sliced_vbi_cap *cap = arg;
 867                 tvp5150_dbg(1, "VIDIOC_G_SLICED_VBI_CAP\n");
 868
 869                 tvp5150_vbi_get_cap(vbi_ram_default, cap);
 870                 break;
 871         }
 872         case VIDIOC_S_FMT:
 873         {
 874                 struct v4l2_format *fmt;
 875                 struct v4l2_sliced_vbi_format *svbi;
 876                 int i;
 877
 878                 fmt = arg;
 879                 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
 880                         return -EINVAL;
 881                 svbi = &fmt->fmt.sliced;
 882                 if (svbi->service_set != 0) {
 883                         for (i = 0; i <= 23; i++) {
 884                                 svbi->service_lines[1][i] = 0;
 885
 886                                 svbi->service_lines[0][i]=tvp5150_set_vbi(c,
 887                                          vbi_ram_default,
 888                                          svbi->service_lines[0][i],0xf0,i,3);
 889                         }
 890                         /* Enables FIFO */
 891                         tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,1);
 892                 } else {
 893                         /* Disables FIFO*/
 894                         tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,0);
 895
 896                         /* Disable Full Field */
 897                         tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
 898
 899                         /* Disable Line modes */
 900                         for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
 901                                 tvp5150_write(c, i, 0xff);
 902                 }
 903                 break;
 904         }
 905         case VIDIOC_G_FMT:
 906         {
 907                 struct v4l2_format *fmt;
 908                 struct v4l2_sliced_vbi_format *svbi;
 909
 910                 int i, mask=0;
 911
 912                 fmt = arg;
 913                 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
 914                         return -EINVAL;
 915                 svbi = &fmt->fmt.sliced;
 916                 memset(svbi, 0, sizeof(*svbi));
 917
 918                 for (i = 0; i <= 23; i++) {
 919                         svbi->service_lines[0][i]=tvp5150_get_vbi(c,
 920                                 vbi_ram_default,i);
 921                         mask|=svbi->service_lines[0][i];
 922                 }
 923                 svbi->service_set=mask;
 924                 break;
 925         }
 926
 927 #ifdef CONFIG_VIDEO_ADV_DEBUG
 928         case VIDIOC_INT_G_REGISTER:
 929         {
 930                 struct v4l2_register *reg = arg;
 931
 932                 if (reg->i2c_id != I2C_DRIVERID_TVP5150)
 933                         return -EINVAL;
 934                 reg->val = tvp5150_read(c, reg->reg & 0xff);
 935                 break;
 936         }
 937
 938         case VIDIOC_INT_S_REGISTER:
 939         {
 940                 struct v4l2_register *reg = arg;
 941
 942                 if (reg->i2c_id != I2C_DRIVERID_TVP5150)
 943                         return -EINVAL;
 944                 if (!capable(CAP_SYS_ADMIN))
 945                         return -EPERM;
 946                 tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff);
 947                 break;
 948         }
 949 #endif
 950
 951         case VIDIOC_LOG_STATUS:
 952         case DECODER_DUMP:
 953                 dump_reg(c);
 954                 break;
 955
 956         case DECODER_GET_CAPABILITIES:
 957                 {
 958                         struct video_decoder_capability *cap = arg;
 959
 960                         cap->flags = VIDEO_DECODER_PAL |
 961                             VIDEO_DECODER_NTSC |
 962                             VIDEO_DECODER_SECAM |
 963                             VIDEO_DECODER_AUTO | VIDEO_DECODER_CCIR;
 964                         cap->inputs = 3;
 965                         cap->outputs = 1;
 966                         break;
 967                 }
 968         case DECODER_GET_STATUS:
 969                 {
 970                         int *iarg = arg;
 971                         int status;
 972                         int res=0;
 973                         status = tvp5150_read(c, 0x88);
 974                         if(status&0x08){
 975                                 res |= DECODER_STATUS_COLOR;
 976                         }
 977                         if(status&0x04 && status&0x02){
 978                                 res |= DECODER_STATUS_GOOD;
 979                         }
 980                         *iarg=res;
 981                         break;
 982                 }
 983
 984         case DECODER_SET_GPIO:
 985                 break;
 986
 987         case DECODER_SET_VBI_BYPASS:
 988                 break;
 989
 990         case DECODER_SET_NORM:
 991                 {
 992                         int *iarg = arg;
 993
 994                         switch (*iarg) {
 995
 996                         case VIDEO_MODE_NTSC:
 997                                 break;
 998
 999                         case VIDEO_MODE_PAL:
1000                                 break;
1001
1002                         case VIDEO_MODE_SECAM:
1003                                 break;
1004
1005                         case VIDEO_MODE_AUTO:
1006                                 break;
1007
1008                         default:
1009                                 return -EINVAL;
1010
1011                         }
1012                         decoder->norm = *iarg;
1013                         break;
1014                 }
1015         case DECODER_SET_INPUT:
1016                 {
1017                         int *iarg = arg;
1018                         if (*iarg < 0 || *iarg > 3) {
1019                                 return -EINVAL;
1020                         }
1021
1022                         decoder->input = *iarg;
1023                         tvp5150_selmux(c, decoder->input);
1024
1025                         break;
1026                 }
1027         case DECODER_SET_OUTPUT:
1028                 {
1029                         int *iarg = arg;
1030
1031                         /* not much choice of outputs */
1032                         if (*iarg != 0) {
1033                                 return -EINVAL;
1034                         }
1035                         break;
1036                 }
1037         case DECODER_ENABLE_OUTPUT:
1038                 {
1039                         int *iarg = arg;
1040
1041                         decoder->enable = (*iarg != 0);
1042
1043                         tvp5150_selmux(c, decoder->input);
1044
1045                         break;
1046                 }
1047         case VIDIOC_QUERYCTRL:
1048                 {
1049                         struct v4l2_queryctrl *qc = arg;
1050                         int i;
1051
1052                         tvp5150_dbg(1, "VIDIOC_QUERYCTRL called\n");
1053
1054                         for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++)
1055                                 if (qc->id && qc->id == tvp5150_qctrl[i].id) {
1056                                         memcpy(qc, &(tvp5150_qctrl[i]),
1057                                                sizeof(*qc));
1058                                         return 0;
1059                                 }
1060
1061                         return -EINVAL;
1062                 }
1063         case VIDIOC_G_CTRL:
1064                 {
1065                         struct v4l2_control *ctrl = arg;
1066                         tvp5150_dbg(1, "VIDIOC_G_CTRL called\n");
1067
1068                         return tvp5150_get_ctrl(c, ctrl);
1069                 }
1070         case VIDIOC_S_CTRL:
1071                 {
1072                         struct v4l2_control *ctrl = arg;
1073                         u8 i, n;
1074                         n = sizeof(tvp5150_qctrl) / sizeof(tvp5150_qctrl[0]);
1075                         for (i = 0; i < n; i++)
1076                                 if (ctrl->id == tvp5150_qctrl[i].id) {
1077                                         if (ctrl->value <
1078                                             tvp5150_qctrl[i].minimum
1079                                             || ctrl->value >
1080                                             tvp5150_qctrl[i].maximum)
1081                                                 return -ERANGE;
1082                                         tvp5150_dbg(1,
1083                                                 "VIDIOC_S_CTRL: id=%d, value=%d\n",
1084                                                 ctrl->id, ctrl->value);
1085                                         return tvp5150_set_ctrl(c, ctrl);
1086                                 }
1087                         return -EINVAL;
1088                 }
1089
1090         case DECODER_SET_PICTURE:
1091                 {
1092                         struct video_picture *pic = arg;
1093                         if (decoder->bright != pic->brightness) {
1094                                 /* We want 0 to 255 we get 0-65535 */
1095                                 decoder->bright = pic->brightness;
1096                                 tvp5150_write(c, TVP5150_BRIGHT_CTL,
1097                                               decoder->bright >> 8);
1098                         }
1099                         if (decoder->contrast != pic->contrast) {
1100                                 /* We want 0 to 255 we get 0-65535 */
1101                                 decoder->contrast = pic->contrast;
1102                                 tvp5150_write(c, TVP5150_CONTRAST_CTL,
1103                                               decoder->contrast >> 8);
1104                         }
1105                         if (decoder->sat != pic->colour) {
1106                                 /* We want 0 to 255 we get 0-65535 */
1107                                 decoder->sat = pic->colour;
1108                                 tvp5150_write(c, TVP5150_SATURATION_CTL,
1109                                               decoder->contrast >> 8);
1110                         }
1111                         if (decoder->hue != pic->hue) {
1112                                 /* We want -128 to 127 we get 0-65535 */
1113                                 decoder->hue = pic->hue;
1114                                 tvp5150_write(c, TVP5150_HUE_CTL,
1115                                               (decoder->hue - 32768) >> 8);
1116                         }
1117                         break;
1118                 }
1119         default:
1120                 return -EINVAL;
1121         }
1122
1123         return 0;
1124 }
1125
1126 /****************************************************************************
1127                         I2C Client & Driver
1128  ****************************************************************************/
1129 static struct i2c_driver driver;
1130
1131 static struct i2c_client client_template = {
1132         .name = "(unset)",
1133         .driver = &driver,
1134 };
1135
1136 static int tvp5150_detect_client(struct i2c_adapter *adapter,
1137                                  int address, int kind)
1138 {
1139         struct i2c_client *c;
1140         struct tvp5150 *core;
1141         int rv;
1142
1143         if (debug)
1144                 printk( KERN_INFO
1145                 "tvp5150.c: detecting tvp5150 client on address 0x%x\n",
1146                 address << 1);
1147
1148         client_template.adapter = adapter;
1149         client_template.addr = address;
1150
1151         /* Check if the adapter supports the needed features */
1152         if (!i2c_check_functionality
1153             (adapter,
1154              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1155                 return 0;
1156
1157         c = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
1158         if (c == 0)
1159                 return -ENOMEM;
1160         memcpy(c, &client_template, sizeof(struct i2c_client));
1161
1162         core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1163         if (core == 0) {
1164                 kfree(c);
1165                 return -ENOMEM;
1166         }
1167         i2c_set_clientdata(c, core);
1168
1169         rv = i2c_attach_client(c);
1170
1171         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1172         core->input = 2;
1173         core->enable = 1;
1174         core->bright = 32768;
1175         core->contrast = 32768;
1176         core->hue = 32768;
1177         core->sat = 32768;
1178
1179         if (rv) {
1180                 kfree(c);
1181                 kfree(core);
1182                 return rv;
1183         }
1184
1185         if (debug > 1)
1186                 dump_reg(c);
1187         return 0;
1188 }
1189
1190 static int tvp5150_attach_adapter(struct i2c_adapter *adapter)
1191 {
1192         if (debug)
1193                 printk( KERN_INFO
1194                 "tvp5150.c: starting probe for adapter %s (0x%x)\n",
1195                 adapter->name, adapter->id);
1196         return i2c_probe(adapter, &addr_data, &tvp5150_detect_client);
1197 }
1198
1199 static int tvp5150_detach_client(struct i2c_client *c)
1200 {
1201         struct tvp5150 *decoder = i2c_get_clientdata(c);
1202         int err;
1203
1204         tvp5150_dbg(1,
1205                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1206                 c->addr << 1);
1207
1208         err = i2c_detach_client(c);
1209         if (err) {
1210                 return err;
1211         }
1212
1213         kfree(decoder);
1214         kfree(c);
1215
1216         return 0;
1217 }
1218
1219 /* ----------------------------------------------------------------------- */
1220
1221 static struct i2c_driver driver = {
1222         .driver = {
1223                 .name = "tvp5150",
1224         },
1225         .id = I2C_DRIVERID_TVP5150,
1226
1227         .attach_adapter = tvp5150_attach_adapter,
1228         .detach_client = tvp5150_detach_client,
1229
1230         .command = tvp5150_command,
1231 };
1232
1233 static int __init tvp5150_init(void)
1234 {
1235         return i2c_add_driver(&driver);
1236 }
1237
1238 static void __exit tvp5150_exit(void)
1239 {
1240         i2c_del_driver(&driver);
1241 }
1242
1243 module_init(tvp5150_init);
1244 module_exit(tvp5150_exit);