drivers/media/video/tvp5150.c

   1 /*
   2  * tvp5150 - Texas Instruments TVP5150A(M) video decoder driver
   3  *
   4  * Copyright (c) 2005 Mauro Carvalho Chehab (mchehab@brturbo.com.br)
   5  * This code is placed under the terms of the GNU General Public License
   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");  /* standard i2c insmod options */
  17 MODULE_AUTHOR("Mauro Carvalho Chehab");
  18 MODULE_LICENSE("GPL");
  19
  20 static unsigned short normal_i2c[] = {
  21         0xb8 >> 1,
  22         0xba >> 1,
  23         I2C_CLIENT_END
  24 };
  25
  26 I2C_CLIENT_INSMOD;
  27
  28 static int debug = 0;
  29 module_param(debug, int, 0);
  30 MODULE_PARM_DESC(debug, "Debug level (0-1)");
  31
  32 #define tvp5150_err(fmt, arg...) do { \
  33         printk(KERN_ERR "%s %d-%04x: " fmt, c->driver->driver.name, \
  34                i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)
  35 #define tvp5150_info(fmt, arg...) do { \
  36         printk(KERN_INFO "%s %d-%04x: " fmt, c->driver->driver.name, \
  37                i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)
  38 #define tvp5150_dbg(num, fmt, arg...) \
  39         do { \
  40                 if (debug >= num) \
  41                         printk(KERN_DEBUG "%s debug %d-%04x: " fmt,\
  42                                 c->driver->driver.name, \
  43                                 i2c_adapter_id(c->adapter), \
  44                                 c->addr , ## arg); } while (0)
  45
  46 /* supported controls */
  47 static struct v4l2_queryctrl tvp5150_qctrl[] = {
  48         {
  49                 .id = V4L2_CID_BRIGHTNESS,
  50                 .type = V4L2_CTRL_TYPE_INTEGER,
  51                 .name = "Brightness",
  52                 .minimum = 0,
  53                 .maximum = 255,
  54                 .step = 1,
  55                 .default_value = 0,
  56                 .flags = 0,
  57         }, {
  58                 .id = V4L2_CID_CONTRAST,
  59                 .type = V4L2_CTRL_TYPE_INTEGER,
  60                 .name = "Contrast",
  61                 .minimum = 0,
  62                 .maximum = 255,
  63                 .step = 0x1,
  64                 .default_value = 0x10,
  65                 .flags = 0,
  66         }, {
  67                  .id = V4L2_CID_SATURATION,
  68                  .type = V4L2_CTRL_TYPE_INTEGER,
  69                  .name = "Saturation",
  70                  .minimum = 0,
  71                  .maximum = 255,
  72                  .step = 0x1,
  73                  .default_value = 0x10,
  74                  .flags = 0,
  75         }, {
  76                 .id = V4L2_CID_HUE,
  77                 .type = V4L2_CTRL_TYPE_INTEGER,
  78                 .name = "Hue",
  79                 .minimum = -128,
  80                 .maximum = 127,
  81                 .step = 0x1,
  82                 .default_value = 0x10,
  83                 .flags = 0,
  84         }
  85 };
  86
  87 struct tvp5150 {
  88         struct i2c_client *client;
  89
  90         v4l2_std_id norm;       /* Current set standard */
  91         int input;
  92         int enable;
  93         int bright;
  94         int contrast;
  95         int hue;
  96         int sat;
  97 };
  98
  99 static int tvp5150_read(struct i2c_client *c, unsigned char addr)
 100 {
 101         unsigned char buffer[1];
 102         int rc;
 103
 104         buffer[0] = addr;
 105         if (1 != (rc = i2c_master_send(c, buffer, 1)))
 106                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
 107
 108         msleep(10);
 109
 110         if (1 != (rc = i2c_master_recv(c, buffer, 1)))
 111                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
 112
 113         tvp5150_dbg(2, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
 114
 115         return (buffer[0]);
 116 }
 117
 118 static inline void tvp5150_write(struct i2c_client *c, unsigned char addr,
 119                                  unsigned char value)
 120 {
 121         unsigned char buffer[2];
 122         int rc;
 123
 124         buffer[0] = addr;
 125         buffer[1] = value;
 126         tvp5150_dbg(2, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
 127         if (2 != (rc = i2c_master_send(c, buffer, 2)))
 128                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 2)\n", rc);
 129 }
 130
 131 static void dump_reg_range(struct i2c_client *c, char *s, u8 init, const u8 end,int max_line)
 132 {
 133         int i=0;
 134
 135         while (init!=(u8)(end+1)) {
 136                 if ((i%max_line) == 0) {
 137                         if (i>0)
 138                                 printk("\n");
 139                         printk("tvp5150: %s reg 0x%02x = ",s,init);
 140                 }
 141                 printk("%02x ",tvp5150_read(c, init));
 142
 143                 init++;
 144                 i++;
 145         }
 146         printk("\n");
 147 }
 148
 149 static void dump_reg(struct i2c_client *c)
 150 {
 151         printk("tvp5150: Video input source selection #1 = 0x%02x\n",
 152                                         tvp5150_read(c, TVP5150_VD_IN_SRC_SEL_1));
 153         printk("tvp5150: Analog channel controls = 0x%02x\n",
 154                                         tvp5150_read(c, TVP5150_ANAL_CHL_CTL));
 155         printk("tvp5150: Operation mode controls = 0x%02x\n",
 156                                         tvp5150_read(c, TVP5150_OP_MODE_CTL));
 157         printk("tvp5150: Miscellaneous controls = 0x%02x\n",
 158                                         tvp5150_read(c, TVP5150_MISC_CTL));
 159         printk("tvp5150: Autoswitch mask= 0x%02x\n",
 160                                         tvp5150_read(c, TVP5150_AUTOSW_MSK));
 161         printk("tvp5150: Color killer threshold control = 0x%02x\n",
 162                                         tvp5150_read(c, TVP5150_COLOR_KIL_THSH_CTL));
 163         printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
 164                                         tvp5150_read(c, TVP5150_LUMA_PROC_CTL_1),
 165                                         tvp5150_read(c, TVP5150_LUMA_PROC_CTL_2),
 166                                         tvp5150_read(c, TVP5150_LUMA_PROC_CTL_3));
 167         printk("tvp5150: Brightness control = 0x%02x\n",
 168                                         tvp5150_read(c, TVP5150_BRIGHT_CTL));
 169         printk("tvp5150: Color saturation control = 0x%02x\n",
 170                                         tvp5150_read(c, TVP5150_SATURATION_CTL));
 171         printk("tvp5150: Hue control = 0x%02x\n",
 172                                         tvp5150_read(c, TVP5150_HUE_CTL));
 173         printk("tvp5150: Contrast control = 0x%02x\n",
 174                                         tvp5150_read(c, TVP5150_CONTRAST_CTL));
 175         printk("tvp5150: Outputs and data rates select = 0x%02x\n",
 176                                         tvp5150_read(c, TVP5150_DATA_RATE_SEL));
 177         printk("tvp5150: Configuration shared pins = 0x%02x\n",
 178                                         tvp5150_read(c, TVP5150_CONF_SHARED_PIN));
 179         printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
 180                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_MSB),
 181                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_LSB));
 182         printk("tvp5150: Active video cropping stop  = 0x%02x%02x\n",
 183                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_MSB),
 184                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_LSB));
 185         printk("tvp5150: Genlock/RTC = 0x%02x\n",
 186                                         tvp5150_read(c, TVP5150_GENLOCK));
 187         printk("tvp5150: Horizontal sync start = 0x%02x\n",
 188                                         tvp5150_read(c, TVP5150_HORIZ_SYNC_START));
 189         printk("tvp5150: Vertical blanking start = 0x%02x\n",
 190                                         tvp5150_read(c, TVP5150_VERT_BLANKING_START));
 191         printk("tvp5150: Vertical blanking stop = 0x%02x\n",
 192                                         tvp5150_read(c, TVP5150_VERT_BLANKING_STOP));
 193         printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
 194                                         tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_1),
 195                                         tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_2));
 196         printk("tvp5150: Interrupt reset register B = 0x%02x\n",
 197                                         tvp5150_read(c, TVP5150_INT_RESET_REG_B));
 198         printk("tvp5150: Interrupt enable register B = 0x%02x\n",
 199                                         tvp5150_read(c, TVP5150_INT_ENABLE_REG_B));
 200         printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
 201                                         tvp5150_read(c, TVP5150_INTT_CONFIG_REG_B));
 202         printk("tvp5150: Video standard = 0x%02x\n",
 203                                         tvp5150_read(c, TVP5150_VIDEO_STD));
 204         printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
 205                                         tvp5150_read(c, TVP5150_CB_GAIN_FACT),
 206                                         tvp5150_read(c, TVP5150_CR_GAIN_FACTOR));
 207         printk("tvp5150: Macrovision on counter = 0x%02x\n",
 208                                         tvp5150_read(c, TVP5150_MACROVISION_ON_CTR));
 209         printk("tvp5150: Macrovision off counter = 0x%02x\n",
 210                                         tvp5150_read(c, TVP5150_MACROVISION_OFF_CTR));
 211         printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
 212                                         (tvp5150_read(c, TVP5150_REV_SELECT)&1)?3:4);
 213         printk("tvp5150: Device ID = %02x%02x\n",
 214                                         tvp5150_read(c, TVP5150_MSB_DEV_ID),
 215                                         tvp5150_read(c, TVP5150_LSB_DEV_ID));
 216         printk("tvp5150: ROM version = (hex) %02x.%02x\n",
 217                                         tvp5150_read(c, TVP5150_ROM_MAJOR_VER),
 218                                         tvp5150_read(c, TVP5150_ROM_MINOR_VER));
 219         printk("tvp5150: Vertical line count = 0x%02x%02x\n",
 220                                         tvp5150_read(c, TVP5150_VERT_LN_COUNT_MSB),
 221                                         tvp5150_read(c, TVP5150_VERT_LN_COUNT_LSB));
 222         printk("tvp5150: Interrupt status register B = 0x%02x\n",
 223                                         tvp5150_read(c, TVP5150_INT_STATUS_REG_B));
 224         printk("tvp5150: Interrupt active register B = 0x%02x\n",
 225                                         tvp5150_read(c, TVP5150_INT_ACTIVE_REG_B));
 226         printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
 227                                         tvp5150_read(c, TVP5150_STATUS_REG_1),
 228                                         tvp5150_read(c, TVP5150_STATUS_REG_2),
 229                                         tvp5150_read(c, TVP5150_STATUS_REG_3),
 230                                         tvp5150_read(c, TVP5150_STATUS_REG_4),
 231                                         tvp5150_read(c, TVP5150_STATUS_REG_5));
 232
 233         dump_reg_range(c,"Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
 234                                                 TVP5150_TELETEXT_FIL1_END,8);
 235         dump_reg_range(c,"Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
 236                                                 TVP5150_TELETEXT_FIL2_END,8);
 237
 238         printk("tvp5150: Teletext filter enable = 0x%02x\n",
 239                                         tvp5150_read(c, TVP5150_TELETEXT_FIL_ENA));
 240         printk("tvp5150: Interrupt status register A = 0x%02x\n",
 241                                         tvp5150_read(c, TVP5150_INT_STATUS_REG_A));
 242         printk("tvp5150: Interrupt enable register A = 0x%02x\n",
 243                                         tvp5150_read(c, TVP5150_INT_ENABLE_REG_A));
 244         printk("tvp5150: Interrupt configuration = 0x%02x\n",
 245                                         tvp5150_read(c, TVP5150_INT_CONF));
 246         printk("tvp5150: VDP status register = 0x%02x\n",
 247                                         tvp5150_read(c, TVP5150_VDP_STATUS_REG));
 248         printk("tvp5150: FIFO word count = 0x%02x\n",
 249                                         tvp5150_read(c, TVP5150_FIFO_WORD_COUNT));
 250         printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
 251                                         tvp5150_read(c, TVP5150_FIFO_INT_THRESHOLD));
 252         printk("tvp5150: FIFO reset = 0x%02x\n",
 253                                         tvp5150_read(c, TVP5150_FIFO_RESET));
 254         printk("tvp5150: Line number interrupt = 0x%02x\n",
 255                                         tvp5150_read(c, TVP5150_LINE_NUMBER_INT));
 256         printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
 257                                         tvp5150_read(c, TVP5150_PIX_ALIGN_REG_HIGH),
 258                                         tvp5150_read(c, TVP5150_PIX_ALIGN_REG_LOW));
 259         printk("tvp5150: FIFO output control = 0x%02x\n",
 260                                         tvp5150_read(c, TVP5150_FIFO_OUT_CTRL));
 261         printk("tvp5150: Full field enable = 0x%02x\n",
 262                                         tvp5150_read(c, TVP5150_FULL_FIELD_ENA));
 263         printk("tvp5150: Full field mode register = 0x%02x\n",
 264                                         tvp5150_read(c, TVP5150_FULL_FIELD_MODE_REG));
 265
 266         dump_reg_range(c,"CC   data",   TVP5150_CC_DATA_INI,
 267                                         TVP5150_CC_DATA_END,8);
 268
 269         dump_reg_range(c,"WSS  data",   TVP5150_WSS_DATA_INI,
 270                                         TVP5150_WSS_DATA_END,8);
 271
 272         dump_reg_range(c,"VPS  data",   TVP5150_VPS_DATA_INI,
 273                                         TVP5150_VPS_DATA_END,8);
 274
 275         dump_reg_range(c,"VITC data",   TVP5150_VITC_DATA_INI,
 276                                         TVP5150_VITC_DATA_END,10);
 277
 278         dump_reg_range(c,"Line mode",   TVP5150_LINE_MODE_INI,
 279                                         TVP5150_LINE_MODE_END,8);
 280 }
 281
 282 /****************************************************************************
 283                         Basic functions
 284  ****************************************************************************/
 285 enum tvp5150_input {
 286         TVP5150_ANALOG_CH0 = 0,
 287         TVP5150_SVIDEO = 1,
 288         TVP5150_ANALOG_CH1 = 2,
 289         TVP5150_BLACK_SCREEN = 8
 290 };
 291
 292 static inline void tvp5150_selmux(struct i2c_client *c,
 293                                   enum tvp5150_input input)
 294 {
 295         int opmode=0;
 296
 297         struct tvp5150 *decoder = i2c_get_clientdata(c);
 298
 299         if (!decoder->enable)
 300                 input |= TVP5150_BLACK_SCREEN;
 301
 302         switch (input) {
 303         case TVP5150_ANALOG_CH0:
 304         case TVP5150_ANALOG_CH1:
 305                 opmode=0x30;            /* TV Mode */
 306                 break;
 307         default:
 308                 opmode=0;               /* Auto Mode */
 309                 break;
 310         }
 311
 312         tvp5150_write(c, TVP5150_OP_MODE_CTL, opmode);
 313         tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input);
 314 };
 315
 316 struct i2c_reg_value {
 317         unsigned char reg;
 318         unsigned char value;
 319 };
 320
 321 /* Default values as sugested at TVP5150AM1 datasheet */
 322 static const struct i2c_reg_value tvp5150_init_default[] = {
 323         { /* 0x00 */
 324                 TVP5150_VD_IN_SRC_SEL_1,0x00
 325         },
 326         { /* 0x01 */
 327                 TVP5150_ANAL_CHL_CTL,0x15
 328         },
 329         { /* 0x02 */
 330                 TVP5150_OP_MODE_CTL,0x00
 331         },
 332         { /* 0x03 */
 333                 TVP5150_MISC_CTL,0x01
 334         },
 335         { /* 0x06 */
 336                 TVP5150_COLOR_KIL_THSH_CTL,0x10
 337         },
 338         { /* 0x07 */
 339                 TVP5150_LUMA_PROC_CTL_1,0x60
 340         },
 341         { /* 0x08 */
 342                 TVP5150_LUMA_PROC_CTL_2,0x00
 343         },
 344         { /* 0x09 */
 345                 TVP5150_BRIGHT_CTL,0x80
 346         },
 347         { /* 0x0a */
 348                 TVP5150_SATURATION_CTL,0x80
 349         },
 350         { /* 0x0b */
 351                 TVP5150_HUE_CTL,0x00
 352         },
 353         { /* 0x0c */
 354                 TVP5150_CONTRAST_CTL,0x80
 355         },
 356         { /* 0x0d */
 357                 TVP5150_DATA_RATE_SEL,0x47
 358         },
 359         { /* 0x0e */
 360                 TVP5150_LUMA_PROC_CTL_3,0x00
 361         },
 362         { /* 0x0f */
 363                 TVP5150_CONF_SHARED_PIN,0x08
 364         },
 365         { /* 0x11 */
 366                 TVP5150_ACT_VD_CROP_ST_MSB,0x00
 367         },
 368         { /* 0x12 */
 369                 TVP5150_ACT_VD_CROP_ST_LSB,0x00
 370         },
 371         { /* 0x13 */
 372                 TVP5150_ACT_VD_CROP_STP_MSB,0x00
 373         },
 374         { /* 0x14 */
 375                 TVP5150_ACT_VD_CROP_STP_LSB,0x00
 376         },
 377         { /* 0x15 */
 378                 TVP5150_GENLOCK,0x01
 379         },
 380         { /* 0x16 */
 381                 TVP5150_HORIZ_SYNC_START,0x80
 382         },
 383         { /* 0x18 */
 384                 TVP5150_VERT_BLANKING_START,0x00
 385         },
 386         { /* 0x19 */
 387                 TVP5150_VERT_BLANKING_STOP,0x00
 388         },
 389         { /* 0x1a */
 390                 TVP5150_CHROMA_PROC_CTL_1,0x0c
 391         },
 392         { /* 0x1b */
 393                 TVP5150_CHROMA_PROC_CTL_2,0x14
 394         },
 395         { /* 0x1c */
 396                 TVP5150_INT_RESET_REG_B,0x00
 397         },
 398         { /* 0x1d */
 399                 TVP5150_INT_ENABLE_REG_B,0x00
 400         },
 401         { /* 0x1e */
 402                 TVP5150_INTT_CONFIG_REG_B,0x00
 403         },
 404         { /* 0x28 */
 405                 TVP5150_VIDEO_STD,0x00
 406         },
 407         { /* 0x2e */
 408                 TVP5150_MACROVISION_ON_CTR,0x0f
 409         },
 410         { /* 0x2f */
 411                 TVP5150_MACROVISION_OFF_CTR,0x01
 412         },
 413         { /* 0xbb */
 414                 TVP5150_TELETEXT_FIL_ENA,0x00
 415         },
 416         { /* 0xc0 */
 417                 TVP5150_INT_STATUS_REG_A,0x00
 418         },
 419         { /* 0xc1 */
 420                 TVP5150_INT_ENABLE_REG_A,0x00
 421         },
 422         { /* 0xc2 */
 423                 TVP5150_INT_CONF,0x04
 424         },
 425         { /* 0xc8 */
 426                 TVP5150_FIFO_INT_THRESHOLD,0x80
 427         },
 428         { /* 0xc9 */
 429                 TVP5150_FIFO_RESET,0x00
 430         },
 431         { /* 0xca */
 432                 TVP5150_LINE_NUMBER_INT,0x00
 433         },
 434         { /* 0xcb */
 435                 TVP5150_PIX_ALIGN_REG_LOW,0x4e
 436         },
 437         { /* 0xcc */
 438                 TVP5150_PIX_ALIGN_REG_HIGH,0x00
 439         },
 440         { /* 0xcd */
 441                 TVP5150_FIFO_OUT_CTRL,0x01
 442         },
 443         { /* 0xcf */
 444                 TVP5150_FULL_FIELD_ENA,0x00
 445         },
 446         { /* 0xd0 */
 447                 TVP5150_LINE_MODE_INI,0x00
 448         },
 449         { /* 0xfc */
 450                 TVP5150_FULL_FIELD_MODE_REG,0x7f
 451         },
 452         { /* end of data */
 453                 0xff,0xff
 454         }
 455 };
 456
 457 /* Default values as sugested at TVP5150AM1 datasheet */
 458 static const struct i2c_reg_value tvp5150_init_enable[] = {
 459         {
 460                 TVP5150_CONF_SHARED_PIN, 2
 461         },{     /* Automatic offset and AGC enabled */
 462                 TVP5150_ANAL_CHL_CTL, 0x15
 463         },{     /* Activate YCrCb output 0x9 or 0xd ? */
 464                 TVP5150_MISC_CTL, 0x6f
 465         },{     /* Activates video std autodetection for all standards */
 466                 TVP5150_AUTOSW_MSK, 0x0
 467         },{     /* Default format: 0x47. For 4:2:2: 0x40 */
 468                 TVP5150_DATA_RATE_SEL, 0x47
 469         },{
 470                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 471         },{
 472                 TVP5150_CHROMA_PROC_CTL_2, 0x54
 473         },{     /* Non documented, but initialized on WinTV USB2 */
 474                 0x27, 0x20
 475         },{
 476                 0xff,0xff
 477         }
 478 };
 479
 480 struct i2c_vbi_ram_value {
 481         u16 reg;
 482         unsigned char values[26];
 483 };
 484
 485 /* tvp5150_vbi_types should follow the same order as vbi_ram_default
 486  * value 0 means rom position 0x10, value 1 means rom position 0x30
 487  * and so on. There are 16 possible locations from 0 to 15.
 488  */
 489 enum tvp5150_vbi_types {        /* Video line number  Description */
 490         VBI_WST_SECAM,          /* 6-23  (field 1,2)  Teletext, SECAM */
 491         VBI_WST_PAL_B,          /* 6-22  (field 1,2)  Teletext, PAL, System B */
 492         VBI_WST_PAL_C,          /* 6-22  (field 1,2)  Teletext, PAL, System C */
 493         VBI_WST_NTSC_B,         /* 10-21 (field 1,2)  Teletext, NTSC, System B */
 494         VBI_NABTS_NTSC_C,       /* 10-21 (field 1,2)  Teletext, NTSC, System C */
 495         VBI_NABTS_NTSC_D,       /* 10-21 (field 1,2)  Teletext, NTSC, System D */
 496         VBI_CC_PAL_SECAM,       /* 22    (field 1,2)  Closed Caption PAL/SECAM */
 497         VBI_CC_NTSC,            /* 21    (field 1,2)  Closed Caption NTSC */
 498         VBI_WSS_PAL_SECAM,      /* 23    (field 1,2)  Wide Screen Signal PAL/SECAM */
 499         VBI_WSS_NTSC,           /* 20    (field 1,2)  Wide Screen Signal NTSC */
 500         VBI_VITC_PAL_SECAM,     /* 6-22               Vertical Interval Timecode PAL/SECAM */
 501         VBI_VITC_NTSC,          /* 10-20              Vertical Interval Timecode NTSC */
 502         VBI_VPS_PAL,            /* 16                 Video Program System PAL */
 503         VBI_EPG_GEMSTAR,        /*                    EPG/Gemstar Electronic program guide */
 504         VBI_RESERVED,           /*                    not in use on vbi_ram_default table */
 505         VBI_FULL_FIELD          /*                    Active video/Full Field */
 506 };
 507
 508 static struct i2c_vbi_ram_value vbi_ram_default[] =
 509 {
 510         {0x010, /* WST SECAM */
 511                 { 0xaa, 0xaa, 0xff, 0xff , 0xe7, 0x2e, 0x20, 0x26, 0xe6, 0xb4, 0x0e, 0x0, 0x0, 0x0, 0x10, 0x0 }
 512         },
 513         {0x030, /* WST PAL B */
 514                 { 0xaa, 0xaa, 0xff, 0xff , 0x27, 0x2e, 0x20, 0x2b, 0xa6, 0x72, 0x10, 0x0, 0x0, 0x0, 0x10, 0x0 }
 515         },
 516         {0x050, /* WST PAL C */
 517                 { 0xaa, 0xaa, 0xff, 0xff , 0xe7, 0x2e, 0x20, 0x22, 0xa6, 0x98, 0x0d, 0x0, 0x0, 0x0, 0x10, 0x0 }
 518         },
 519         {0x070, /* WST NTSC B */
 520                 { 0xaa, 0xaa, 0xff, 0xff , 0x27, 0x2e, 0x20, 0x23, 0x69, 0x93, 0x0d, 0x0, 0x0, 0x0, 0x10, 0x0 }
 521         },
 522         {0x090, /* NABTS, NTSC */
 523                 { 0xaa, 0xaa, 0xff, 0xff , 0xe7, 0x2e, 0x20, 0x22, 0x69, 0x93, 0x0d, 0x0, 0x0, 0x0, 0x15, 0x0 }
 524         },
 525         {0x0b0, /* NABTS, NTSC-J */
 526                 { 0xaa, 0xaa, 0xff, 0xff , 0xa7, 0x2e, 0x20, 0x23, 0x69, 0x93, 0x0d, 0x0, 0x0, 0x0, 0x10, 0x0 }
 527         },
 528         {0x0d0, /* CC, PAL/SECAM */
 529                 { 0xaa, 0x2a, 0xff, 0x3f , 0x04, 0x51, 0x6e, 0x02, 0xa6, 0x7b, 0x09, 0x0, 0x0, 0x0, 0x27, 0x0 }
 530         },
 531         {0x0f0, /* CC, NTSC */
 532                 { 0xaa, 0x2a, 0xff, 0x3f , 0x04, 0x51, 0x6e, 0x02, 0x69, 0x8c, 0x09, 0x0, 0x0, 0x0, 0x27, 0x0 }
 533         },
 534         {0x110, /* WSS, PAL/SECAM */
 535                 { 0x5b, 0x55, 0xc5, 0xff , 0x0, 0x71, 0x6e, 0x42, 0xa6, 0xcd, 0x0f, 0x0, 0x0, 0x0, 0x3a, 0x0 }
 536         },
 537         {0x130, /* WSS, NTSC C */
 538                 { 0x38, 0x00, 0x3f, 0x00 , 0x0, 0x71, 0x6e, 0x43, 0x69, 0x7c, 0x08, 0x0, 0x0, 0x0, 0x39, 0x0 }
 539         },
 540         {0x150, /* VITC, PAL/SECAM */
 541                 { 0x0, 0x0, 0x0, 0x0 , 0x0, 0x8f, 0x6d, 0x49, 0xa6, 0x85, 0x08, 0x0, 0x0, 0x0, 0x4c, 0x0 }
 542         },
 543         {0x170, /* VITC, NTSC */
 544                 { 0x0, 0x0, 0x0, 0x0 , 0x0, 0x8f, 0x6d, 0x49, 0x69, 0x94, 0x08, 0x0, 0x0, 0x0, 0x4c, 0x0 }
 545         },
 546         {0x190, /* VPS, PAL */
 547                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 0xa6, 0xda, 0x0b, 0x0, 0x0, 0x0, 0x60, 0x0 }
 548         },
 549         {0x1b0, /* Gemstar Custom 1 */
 550                 { 0xcc, 0xcc, 0xff, 0xff, 0x05, 0x51, 0x6e, 0x05, 0x69, 0x19, 0x13, 0x0, 0x0, 0x0, 0x60, 0x0 }
 551         },
 552 };
 553
 554 static int tvp5150_write_inittab(struct i2c_client *c,
 555                                  const struct i2c_reg_value *regs)
 556 {
 557         while (regs->reg != 0xff) {
 558                 tvp5150_write(c, regs->reg, regs->value);
 559                 regs++;
 560         }
 561         return 0;
 562 }
 563
 564 static int tvp5150_vdp_init(struct i2c_client *c,
 565                                  const struct i2c_vbi_ram_value *regs)
 566 {
 567         unsigned int i;
 568
 569         /* Disable Full Field */
 570         tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
 571
 572         /* Before programming, Line mode should be at 0xff */
 573         for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
 574                 tvp5150_write(c, i, 0xff);
 575
 576         /* Load Ram Table */
 577         while (regs->reg != (u16)-1 ) {
 578                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_HIGH,regs->reg>>8);
 579                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_LOW,regs->reg);
 580
 581                 for (i=0;i<16;i++)
 582                         tvp5150_write(c, TVP5150_VDP_CONF_RAM_DATA,regs->values[i]);
 583
 584                 regs++;
 585         }
 586         return 0;
 587 }
 588
 589 /* Set vbi processing
 590  * type - one of tvp5150_vbi_types
 591  * line - line to gather data
 592  * fields: bit 0 field1, bit 1, field2
 593  * flags (default=0xf0) is a bitmask, were set means:
 594  *      bit 7: enable filtering null bytes on CC
 595  *      bit 6: send data also to FIFO
 596  *      bit 5: don't allow data with errors on FIFO
 597  *      bit 4: enable ECC when possible
 598  * pix_align = pix alignment:
 599  *      LSB = field1
 600  *      MSB = field2
 601  */
 602 static int tvp5150_set_vbi(struct i2c_client *c, enum tvp5150_vbi_types type,
 603                                         u8 flags, int line, const int fields)
 604 {
 605         struct tvp5150 *decoder = i2c_get_clientdata(c);
 606         v4l2_std_id std=decoder->norm;
 607         u8 reg;
 608
 609         if (std == V4L2_STD_ALL) {
 610                 tvp5150_err("VBI can't be configured without knowing number of lines\n");
 611                 return -EINVAL;
 612         } else if (std && V4L2_STD_625_50) {
 613                 /* Don't follow NTSC Line number convension */
 614                 line += 3;
 615         }
 616
 617         if (line<6||line>27)
 618                 return -EINVAL;
 619
 620         type=type | (flags & 0xf0);
 621         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 622
 623         if (fields&1) {
 624                 tvp5150_write(c, reg, type);
 625         }
 626
 627         if (fields&2) {
 628                 tvp5150_write(c, reg+1, type);
 629         }
 630
 631         return 0;
 632 }
 633
 634 static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)
 635 {
 636         struct tvp5150 *decoder = i2c_get_clientdata(c);
 637         int fmt=0;
 638
 639         decoder->norm=std;
 640
 641         /* First tests should be against specific std */
 642
 643         if (std == V4L2_STD_ALL) {
 644                 fmt=0;  /* Autodetect mode */
 645         } else if (std & V4L2_STD_NTSC_443) {
 646                 fmt=0xa;
 647         } else if (std & V4L2_STD_PAL_M) {
 648                 fmt=0x6;
 649         } else if (std & (V4L2_STD_PAL_N| V4L2_STD_PAL_Nc)) {
 650                 fmt=0x8;
 651         } else {
 652                 /* Then, test against generic ones */
 653                 if (std & V4L2_STD_NTSC) {
 654                         fmt=0x2;
 655                 } else if (std & V4L2_STD_PAL) {
 656                         fmt=0x4;
 657                 } else if (std & V4L2_STD_SECAM) {
 658                         fmt=0xc;
 659                 }
 660         }
 661
 662         tvp5150_dbg(1,"Set video std register to %d.\n",fmt);
 663         tvp5150_write(c, TVP5150_VIDEO_STD, fmt);
 664
 665         return 0;
 666 }
 667
 668 static inline void tvp5150_reset(struct i2c_client *c)
 669 {
 670         u8 msb_id, lsb_id, msb_rom, lsb_rom;
 671         struct tvp5150 *decoder = i2c_get_clientdata(c);
 672
 673         msb_id=tvp5150_read(c,TVP5150_MSB_DEV_ID);
 674         lsb_id=tvp5150_read(c,TVP5150_LSB_DEV_ID);
 675         msb_rom=tvp5150_read(c,TVP5150_ROM_MAJOR_VER);
 676         lsb_rom=tvp5150_read(c,TVP5150_ROM_MINOR_VER);
 677
 678         if ((msb_rom==4)&&(lsb_rom==0)) { /* Is TVP5150AM1 */
 679                 tvp5150_info("tvp%02x%02xam1 detected.\n",msb_id, lsb_id);
 680
 681                 /* ITU-T BT.656.4 timing */
 682                 tvp5150_write(c,TVP5150_REV_SELECT,0);
 683         } else {
 684                 if ((msb_rom==3)||(lsb_rom==0x21)) { /* Is TVP5150A */
 685                         tvp5150_info("tvp%02x%02xa detected.\n",msb_id, lsb_id);
 686                 } else {
 687                         tvp5150_info("*** unknown tvp%02x%02x chip detected.\n",msb_id,lsb_id);
 688                         tvp5150_info("*** Rom ver is %d.%d\n",msb_rom,lsb_rom);
 689                 }
 690         }
 691
 692         /* Initializes TVP5150 to its default values */
 693         tvp5150_write_inittab(c, tvp5150_init_default);
 694
 695         /* Initializes VDP registers */
 696         tvp5150_vdp_init(c, vbi_ram_default);
 697
 698         /* Selects decoder input */
 699         tvp5150_selmux(c, decoder->input);
 700
 701         /* Initializes TVP5150 to stream enabled values */
 702         tvp5150_write_inittab(c, tvp5150_init_enable);
 703
 704         /* Initialize image preferences */
 705         tvp5150_write(c, TVP5150_BRIGHT_CTL, decoder->bright >> 8);
 706         tvp5150_write(c, TVP5150_CONTRAST_CTL, decoder->contrast >> 8);
 707         tvp5150_write(c, TVP5150_SATURATION_CTL, decoder->contrast >> 8);
 708         tvp5150_write(c, TVP5150_HUE_CTL, (decoder->hue - 32768) >> 8);
 709
 710         tvp5150_set_std(c, decoder->norm);
 711 };
 712
 713 static int tvp5150_get_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 714 {
 715 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 716
 717         switch (ctrl->id) {
 718         case V4L2_CID_BRIGHTNESS:
 719                 ctrl->value = tvp5150_read(c, TVP5150_BRIGHT_CTL);
 720                 return 0;
 721         case V4L2_CID_CONTRAST:
 722                 ctrl->value = tvp5150_read(c, TVP5150_CONTRAST_CTL);
 723                 return 0;
 724         case V4L2_CID_SATURATION:
 725                 ctrl->value = tvp5150_read(c, TVP5150_SATURATION_CTL);
 726                 return 0;
 727         case V4L2_CID_HUE:
 728                 ctrl->value = tvp5150_read(c, TVP5150_HUE_CTL);
 729                 return 0;
 730         }
 731         return -EINVAL;
 732 }
 733
 734 static int tvp5150_set_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 735 {
 736 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 737
 738         switch (ctrl->id) {
 739         case V4L2_CID_BRIGHTNESS:
 740                 tvp5150_write(c, TVP5150_BRIGHT_CTL, ctrl->value);
 741                 return 0;
 742         case V4L2_CID_CONTRAST:
 743                 tvp5150_write(c, TVP5150_CONTRAST_CTL, ctrl->value);
 744                 return 0;
 745         case V4L2_CID_SATURATION:
 746                 tvp5150_write(c, TVP5150_SATURATION_CTL, ctrl->value);
 747                 return 0;
 748         case V4L2_CID_HUE:
 749                 tvp5150_write(c, TVP5150_HUE_CTL, ctrl->value);
 750                 return 0;
 751         }
 752         return -EINVAL;
 753 }
 754
 755 /****************************************************************************
 756                         I2C Command
 757  ****************************************************************************/
 758 static int tvp5150_command(struct i2c_client *c,
 759                            unsigned int cmd, void *arg)
 760 {
 761         struct tvp5150 *decoder = i2c_get_clientdata(c);
 762
 763         switch (cmd) {
 764
 765         case 0:
 766         case VIDIOC_INT_RESET:
 767         case DECODER_INIT:
 768                 tvp5150_reset(c);
 769                 break;
 770         case VIDIOC_S_STD:
 771                 if (decoder->norm == *(v4l2_std_id *)arg)
 772                         break;
 773                 return tvp5150_set_std(c, *(v4l2_std_id *)arg);
 774         case VIDIOC_G_STD:
 775                 *(v4l2_std_id *)arg = decoder->norm;
 776                 break;
 777
 778 #ifdef CONFIG_VIDEO_ADV_DEBUG
 779         case VIDIOC_INT_G_REGISTER:
 780         {
 781                 struct v4l2_register *reg = arg;
 782
 783                 if (reg->i2c_id != I2C_DRIVERID_TVP5150)
 784                         return -EINVAL;
 785                 reg->val = tvp5150_read(c, reg->reg & 0xff);
 786                 break;
 787         }
 788
 789         case VIDIOC_INT_S_REGISTER:
 790         {
 791                 struct v4l2_register *reg = arg;
 792
 793                 if (reg->i2c_id != I2C_DRIVERID_TVP5150)
 794                         return -EINVAL;
 795                 if (!capable(CAP_SYS_ADMIN))
 796                         return -EPERM;
 797                 tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff);
 798                 break;
 799         }
 800 #endif
 801
 802         case DECODER_DUMP:
 803                 dump_reg(c);
 804                 break;
 805
 806         case DECODER_GET_CAPABILITIES:
 807                 {
 808                         struct video_decoder_capability *cap = arg;
 809
 810                         cap->flags = VIDEO_DECODER_PAL |
 811                             VIDEO_DECODER_NTSC |
 812                             VIDEO_DECODER_SECAM |
 813                             VIDEO_DECODER_AUTO | VIDEO_DECODER_CCIR;
 814                         cap->inputs = 3;
 815                         cap->outputs = 1;
 816                         break;
 817                 }
 818         case DECODER_GET_STATUS:
 819                 {
 820                         break;
 821                 }
 822
 823         case DECODER_SET_GPIO:
 824                 break;
 825
 826         case DECODER_SET_VBI_BYPASS:
 827                 break;
 828
 829         case DECODER_SET_NORM:
 830                 {
 831                         int *iarg = arg;
 832
 833                         switch (*iarg) {
 834
 835                         case VIDEO_MODE_NTSC:
 836                                 break;
 837
 838                         case VIDEO_MODE_PAL:
 839                                 break;
 840
 841                         case VIDEO_MODE_SECAM:
 842                                 break;
 843
 844                         case VIDEO_MODE_AUTO:
 845                                 break;
 846
 847                         default:
 848                                 return -EINVAL;
 849
 850                         }
 851                         decoder->norm = *iarg;
 852                         break;
 853                 }
 854         case DECODER_SET_INPUT:
 855                 {
 856                         int *iarg = arg;
 857                         if (*iarg < 0 || *iarg > 3) {
 858                                 return -EINVAL;
 859                         }
 860
 861                         decoder->input = *iarg;
 862                         tvp5150_selmux(c, decoder->input);
 863
 864                         break;
 865                 }
 866         case DECODER_SET_OUTPUT:
 867                 {
 868                         int *iarg = arg;
 869
 870                         /* not much choice of outputs */
 871                         if (*iarg != 0) {
 872                                 return -EINVAL;
 873                         }
 874                         break;
 875                 }
 876         case DECODER_ENABLE_OUTPUT:
 877                 {
 878                         int *iarg = arg;
 879
 880                         decoder->enable = (*iarg != 0);
 881
 882                         tvp5150_selmux(c, decoder->input);
 883
 884                         break;
 885                 }
 886         case VIDIOC_QUERYCTRL:
 887                 {
 888                         struct v4l2_queryctrl *qc = arg;
 889                         int i;
 890
 891                         tvp5150_dbg(1, "VIDIOC_QUERYCTRL called\n");
 892
 893                         for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++)
 894                                 if (qc->id && qc->id == tvp5150_qctrl[i].id) {
 895                                         memcpy(qc, &(tvp5150_qctrl[i]),
 896                                                sizeof(*qc));
 897                                         return 0;
 898                                 }
 899
 900                         return -EINVAL;
 901                 }
 902         case VIDIOC_G_CTRL:
 903                 {
 904                         struct v4l2_control *ctrl = arg;
 905                         tvp5150_dbg(1, "VIDIOC_G_CTRL called\n");
 906
 907                         return tvp5150_get_ctrl(c, ctrl);
 908                 }
 909         case VIDIOC_S_CTRL:
 910                 {
 911                         struct v4l2_control *ctrl = arg;
 912                         u8 i, n;
 913                         n = sizeof(tvp5150_qctrl) / sizeof(tvp5150_qctrl[0]);
 914                         for (i = 0; i < n; i++)
 915                                 if (ctrl->id == tvp5150_qctrl[i].id) {
 916                                         if (ctrl->value <
 917                                             tvp5150_qctrl[i].minimum
 918                                             || ctrl->value >
 919                                             tvp5150_qctrl[i].maximum)
 920                                                 return -ERANGE;
 921                                         tvp5150_dbg(1,
 922                                                 "VIDIOC_S_CTRL: id=%d, value=%d\n",
 923                                                 ctrl->id, ctrl->value);
 924                                         return tvp5150_set_ctrl(c, ctrl);
 925                                 }
 926                         return -EINVAL;
 927                 }
 928
 929         case DECODER_SET_PICTURE:
 930                 {
 931                         struct video_picture *pic = arg;
 932                         if (decoder->bright != pic->brightness) {
 933                                 /* We want 0 to 255 we get 0-65535 */
 934                                 decoder->bright = pic->brightness;
 935                                 tvp5150_write(c, TVP5150_BRIGHT_CTL,
 936                                               decoder->bright >> 8);
 937                         }
 938                         if (decoder->contrast != pic->contrast) {
 939                                 /* We want 0 to 255 we get 0-65535 */
 940                                 decoder->contrast = pic->contrast;
 941                                 tvp5150_write(c, TVP5150_CONTRAST_CTL,
 942                                               decoder->contrast >> 8);
 943                         }
 944                         if (decoder->sat != pic->colour) {
 945                                 /* We want 0 to 255 we get 0-65535 */
 946                                 decoder->sat = pic->colour;
 947                                 tvp5150_write(c, TVP5150_SATURATION_CTL,
 948                                               decoder->contrast >> 8);
 949                         }
 950                         if (decoder->hue != pic->hue) {
 951                                 /* We want -128 to 127 we get 0-65535 */
 952                                 decoder->hue = pic->hue;
 953                                 tvp5150_write(c, TVP5150_HUE_CTL,
 954                                               (decoder->hue - 32768) >> 8);
 955                         }
 956                         break;
 957                 }
 958         default:
 959                 return -EINVAL;
 960         }
 961
 962         return 0;
 963 }
 964
 965 /****************************************************************************
 966                         I2C Client & Driver
 967  ****************************************************************************/
 968 static struct i2c_driver driver;
 969
 970 static struct i2c_client client_template = {
 971         .name = "(unset)",
 972         .driver = &driver,
 973 };
 974
 975 static int tvp5150_detect_client(struct i2c_adapter *adapter,
 976                                  int address, int kind)
 977 {
 978         struct i2c_client *c;
 979         struct tvp5150 *core;
 980         int rv;
 981
 982         if (debug)
 983                 printk( KERN_INFO
 984                 "tvp5150.c: detecting tvp5150 client on address 0x%x\n",
 985                 address << 1);
 986
 987         client_template.adapter = adapter;
 988         client_template.addr = address;
 989
 990         /* Check if the adapter supports the needed features */
 991         if (!i2c_check_functionality
 992             (adapter,
 993              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
 994                 return 0;
 995
 996         c = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
 997         if (c == 0)
 998                 return -ENOMEM;
 999         memcpy(c, &client_template, sizeof(struct i2c_client));
1000
1001         core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1002         if (core == 0) {
1003                 kfree(c);
1004                 return -ENOMEM;
1005         }
1006         i2c_set_clientdata(c, core);
1007
1008         rv = i2c_attach_client(c);
1009
1010         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1011         core->input = 2;
1012         core->enable = 1;
1013         core->bright = 32768;
1014         core->contrast = 32768;
1015         core->hue = 32768;
1016         core->sat = 32768;
1017
1018         if (rv) {
1019                 kfree(c);
1020                 kfree(core);
1021                 return rv;
1022         }
1023
1024         if (debug > 1)
1025                 dump_reg(c);
1026         return 0;
1027 }
1028
1029 static int tvp5150_attach_adapter(struct i2c_adapter *adapter)
1030 {
1031         if (debug)
1032                 printk( KERN_INFO
1033                 "tvp5150.c: starting probe for adapter %s (0x%x)\n",
1034                 adapter->name, adapter->id);
1035         return i2c_probe(adapter, &addr_data, &tvp5150_detect_client);
1036 }
1037
1038 static int tvp5150_detach_client(struct i2c_client *c)
1039 {
1040         struct tvp5150 *decoder = i2c_get_clientdata(c);
1041         int err;
1042
1043         tvp5150_dbg(1,
1044                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1045                 c->addr << 1);
1046
1047         err = i2c_detach_client(c);
1048         if (err) {
1049                 return err;
1050         }
1051
1052         kfree(decoder);
1053         kfree(c);
1054
1055         return 0;
1056 }
1057
1058 /* ----------------------------------------------------------------------- */
1059
1060 static struct i2c_driver driver = {
1061         .driver = {
1062                 .name = "tvp5150",
1063         },
1064         .id = I2C_DRIVERID_TVP5150,
1065
1066         .attach_adapter = tvp5150_attach_adapter,
1067         .detach_client = tvp5150_detach_client,
1068
1069         .command = tvp5150_command,
1070 };
1071
1072 static int __init tvp5150_init(void)
1073 {
1074         return i2c_add_driver(&driver);
1075 }
1076
1077 static void __exit tvp5150_exit(void)
1078 {
1079         i2c_del_driver(&driver);
1080 }
1081
1082 module_init(tvp5150_init);
1083 module_exit(tvp5150_exit);