drivers/media/i2c/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/slab.h>
  10 #include <linux/videodev2.h>
  11 #include <linux/delay.h>
  12 #include <linux/module.h>
  13 #include <media/v4l2-device.h>
  14 #include <media/tvp5150.h>
  15 #include <media/v4l2-chip-ident.h>
  16 #include <media/v4l2-ctrls.h>
  17
  18 #include "tvp5150_reg.h"
  19
  20 #define TVP5150_H_MAX           720
  21 #define TVP5150_V_MAX_525_60    480
  22 #define TVP5150_V_MAX_OTHERS    576
  23 #define TVP5150_MAX_CROP_LEFT   511
  24 #define TVP5150_MAX_CROP_TOP    127
  25 #define TVP5150_CROP_SHIFT      2
  26
  27 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
  28 MODULE_AUTHOR("Mauro Carvalho Chehab");
  29 MODULE_LICENSE("GPL");
  30
  31
  32 static int debug;
  33 module_param(debug, int, 0);
  34 MODULE_PARM_DESC(debug, "Debug level (0-2)");
  35
  36 struct tvp5150 {
  37         struct v4l2_subdev sd;
  38         struct v4l2_ctrl_handler hdl;
  39         struct v4l2_rect rect;
  40
  41         v4l2_std_id norm;       /* Current set standard */
  42         u32 input;
  43         u32 output;
  44         int enable;
  45 };
  46
  47 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
  48 {
  49         return container_of(sd, struct tvp5150, sd);
  50 }
  51
  52 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  53 {
  54         return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
  55 }
  56
  57 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
  58 {
  59         struct i2c_client *c = v4l2_get_subdevdata(sd);
  60         unsigned char buffer[1];
  61         int rc;
  62
  63         buffer[0] = addr;
  64
  65         rc = i2c_master_send(c, buffer, 1);
  66         if (rc < 0) {
  67                 v4l2_err(sd, "i2c i/o error: rc == %d (should be 1)\n", rc);
  68                 return rc;
  69         }
  70
  71         msleep(10);
  72
  73         rc = i2c_master_recv(c, buffer, 1);
  74         if (rc < 0) {
  75                 v4l2_err(sd, "i2c i/o error: rc == %d (should be 1)\n", rc);
  76                 return rc;
  77         }
  78
  79         v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
  80
  81         return (buffer[0]);
  82 }
  83
  84 static inline void tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
  85                                  unsigned char value)
  86 {
  87         struct i2c_client *c = v4l2_get_subdevdata(sd);
  88         unsigned char buffer[2];
  89         int rc;
  90
  91         buffer[0] = addr;
  92         buffer[1] = value;
  93         v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
  94         if (2 != (rc = i2c_master_send(c, buffer, 2)))
  95                 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 2)\n", rc);
  96 }
  97
  98 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
  99                                 const u8 end, int max_line)
 100 {
 101         int i = 0;
 102
 103         while (init != (u8)(end + 1)) {
 104                 if ((i % max_line) == 0) {
 105                         if (i > 0)
 106                                 printk("\n");
 107                         printk("tvp5150: %s reg 0x%02x = ", s, init);
 108                 }
 109                 printk("%02x ", tvp5150_read(sd, init));
 110
 111                 init++;
 112                 i++;
 113         }
 114         printk("\n");
 115 }
 116
 117 static int tvp5150_log_status(struct v4l2_subdev *sd)
 118 {
 119         printk("tvp5150: Video input source selection #1 = 0x%02x\n",
 120                         tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
 121         printk("tvp5150: Analog channel controls = 0x%02x\n",
 122                         tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
 123         printk("tvp5150: Operation mode controls = 0x%02x\n",
 124                         tvp5150_read(sd, TVP5150_OP_MODE_CTL));
 125         printk("tvp5150: Miscellaneous controls = 0x%02x\n",
 126                         tvp5150_read(sd, TVP5150_MISC_CTL));
 127         printk("tvp5150: Autoswitch mask= 0x%02x\n",
 128                         tvp5150_read(sd, TVP5150_AUTOSW_MSK));
 129         printk("tvp5150: Color killer threshold control = 0x%02x\n",
 130                         tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
 131         printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
 132                         tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
 133                         tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
 134                         tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
 135         printk("tvp5150: Brightness control = 0x%02x\n",
 136                         tvp5150_read(sd, TVP5150_BRIGHT_CTL));
 137         printk("tvp5150: Color saturation control = 0x%02x\n",
 138                         tvp5150_read(sd, TVP5150_SATURATION_CTL));
 139         printk("tvp5150: Hue control = 0x%02x\n",
 140                         tvp5150_read(sd, TVP5150_HUE_CTL));
 141         printk("tvp5150: Contrast control = 0x%02x\n",
 142                         tvp5150_read(sd, TVP5150_CONTRAST_CTL));
 143         printk("tvp5150: Outputs and data rates select = 0x%02x\n",
 144                         tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
 145         printk("tvp5150: Configuration shared pins = 0x%02x\n",
 146                         tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
 147         printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
 148                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
 149                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
 150         printk("tvp5150: Active video cropping stop  = 0x%02x%02x\n",
 151                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
 152                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
 153         printk("tvp5150: Genlock/RTC = 0x%02x\n",
 154                         tvp5150_read(sd, TVP5150_GENLOCK));
 155         printk("tvp5150: Horizontal sync start = 0x%02x\n",
 156                         tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
 157         printk("tvp5150: Vertical blanking start = 0x%02x\n",
 158                         tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
 159         printk("tvp5150: Vertical blanking stop = 0x%02x\n",
 160                         tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
 161         printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
 162                         tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
 163                         tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
 164         printk("tvp5150: Interrupt reset register B = 0x%02x\n",
 165                         tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
 166         printk("tvp5150: Interrupt enable register B = 0x%02x\n",
 167                         tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
 168         printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
 169                         tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
 170         printk("tvp5150: Video standard = 0x%02x\n",
 171                         tvp5150_read(sd, TVP5150_VIDEO_STD));
 172         printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
 173                         tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
 174                         tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
 175         printk("tvp5150: Macrovision on counter = 0x%02x\n",
 176                         tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
 177         printk("tvp5150: Macrovision off counter = 0x%02x\n",
 178                         tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
 179         printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
 180                         (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
 181         printk("tvp5150: Device ID = %02x%02x\n",
 182                         tvp5150_read(sd, TVP5150_MSB_DEV_ID),
 183                         tvp5150_read(sd, TVP5150_LSB_DEV_ID));
 184         printk("tvp5150: ROM version = (hex) %02x.%02x\n",
 185                         tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
 186                         tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
 187         printk("tvp5150: Vertical line count = 0x%02x%02x\n",
 188                         tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
 189                         tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
 190         printk("tvp5150: Interrupt status register B = 0x%02x\n",
 191                         tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
 192         printk("tvp5150: Interrupt active register B = 0x%02x\n",
 193                         tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
 194         printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
 195                         tvp5150_read(sd, TVP5150_STATUS_REG_1),
 196                         tvp5150_read(sd, TVP5150_STATUS_REG_2),
 197                         tvp5150_read(sd, TVP5150_STATUS_REG_3),
 198                         tvp5150_read(sd, TVP5150_STATUS_REG_4),
 199                         tvp5150_read(sd, TVP5150_STATUS_REG_5));
 200
 201         dump_reg_range(sd, "Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
 202                         TVP5150_TELETEXT_FIL1_END, 8);
 203         dump_reg_range(sd, "Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
 204                         TVP5150_TELETEXT_FIL2_END, 8);
 205
 206         printk("tvp5150: Teletext filter enable = 0x%02x\n",
 207                         tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
 208         printk("tvp5150: Interrupt status register A = 0x%02x\n",
 209                         tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
 210         printk("tvp5150: Interrupt enable register A = 0x%02x\n",
 211                         tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
 212         printk("tvp5150: Interrupt configuration = 0x%02x\n",
 213                         tvp5150_read(sd, TVP5150_INT_CONF));
 214         printk("tvp5150: VDP status register = 0x%02x\n",
 215                         tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
 216         printk("tvp5150: FIFO word count = 0x%02x\n",
 217                         tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
 218         printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
 219                         tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
 220         printk("tvp5150: FIFO reset = 0x%02x\n",
 221                         tvp5150_read(sd, TVP5150_FIFO_RESET));
 222         printk("tvp5150: Line number interrupt = 0x%02x\n",
 223                         tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
 224         printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
 225                         tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
 226                         tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
 227         printk("tvp5150: FIFO output control = 0x%02x\n",
 228                         tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
 229         printk("tvp5150: Full field enable = 0x%02x\n",
 230                         tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
 231         printk("tvp5150: Full field mode register = 0x%02x\n",
 232                         tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
 233
 234         dump_reg_range(sd, "CC   data",   TVP5150_CC_DATA_INI,
 235                         TVP5150_CC_DATA_END, 8);
 236
 237         dump_reg_range(sd, "WSS  data",   TVP5150_WSS_DATA_INI,
 238                         TVP5150_WSS_DATA_END, 8);
 239
 240         dump_reg_range(sd, "VPS  data",   TVP5150_VPS_DATA_INI,
 241                         TVP5150_VPS_DATA_END, 8);
 242
 243         dump_reg_range(sd, "VITC data",   TVP5150_VITC_DATA_INI,
 244                         TVP5150_VITC_DATA_END, 10);
 245
 246         dump_reg_range(sd, "Line mode",   TVP5150_LINE_MODE_INI,
 247                         TVP5150_LINE_MODE_END, 8);
 248         return 0;
 249 }
 250
 251 /****************************************************************************
 252                         Basic functions
 253  ****************************************************************************/
 254
 255 static inline void tvp5150_selmux(struct v4l2_subdev *sd)
 256 {
 257         int opmode = 0;
 258         struct tvp5150 *decoder = to_tvp5150(sd);
 259         int input = 0;
 260         int val;
 261
 262         if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable)
 263                 input = 8;
 264
 265         switch (decoder->input) {
 266         case TVP5150_COMPOSITE1:
 267                 input |= 2;
 268                 /* fall through */
 269         case TVP5150_COMPOSITE0:
 270                 break;
 271         case TVP5150_SVIDEO:
 272         default:
 273                 input |= 1;
 274                 break;
 275         }
 276
 277         v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i "
 278                         "=> tvp5150 input=%i, opmode=%i\n",
 279                         decoder->input, decoder->output,
 280                         input, opmode);
 281
 282         tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
 283         tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
 284
 285         /* Svideo should enable YCrCb output and disable GPCL output
 286          * For Composite and TV, it should be the reverse
 287          */
 288         val = tvp5150_read(sd, TVP5150_MISC_CTL);
 289         if (val < 0) {
 290                 v4l2_err(sd, "%s: failed with error = %d\n", __func__, val);
 291                 return;
 292         }
 293
 294         if (decoder->input == TVP5150_SVIDEO)
 295                 val = (val & ~0x40) | 0x10;
 296         else
 297                 val = (val & ~0x10) | 0x40;
 298         tvp5150_write(sd, TVP5150_MISC_CTL, val);
 299 };
 300
 301 struct i2c_reg_value {
 302         unsigned char reg;
 303         unsigned char value;
 304 };
 305
 306 /* Default values as sugested at TVP5150AM1 datasheet */
 307 static const struct i2c_reg_value tvp5150_init_default[] = {
 308         { /* 0x00 */
 309                 TVP5150_VD_IN_SRC_SEL_1,0x00
 310         },
 311         { /* 0x01 */
 312                 TVP5150_ANAL_CHL_CTL,0x15
 313         },
 314         { /* 0x02 */
 315                 TVP5150_OP_MODE_CTL,0x00
 316         },
 317         { /* 0x03 */
 318                 TVP5150_MISC_CTL,0x01
 319         },
 320         { /* 0x06 */
 321                 TVP5150_COLOR_KIL_THSH_CTL,0x10
 322         },
 323         { /* 0x07 */
 324                 TVP5150_LUMA_PROC_CTL_1,0x60
 325         },
 326         { /* 0x08 */
 327                 TVP5150_LUMA_PROC_CTL_2,0x00
 328         },
 329         { /* 0x09 */
 330                 TVP5150_BRIGHT_CTL,0x80
 331         },
 332         { /* 0x0a */
 333                 TVP5150_SATURATION_CTL,0x80
 334         },
 335         { /* 0x0b */
 336                 TVP5150_HUE_CTL,0x00
 337         },
 338         { /* 0x0c */
 339                 TVP5150_CONTRAST_CTL,0x80
 340         },
 341         { /* 0x0d */
 342                 TVP5150_DATA_RATE_SEL,0x47
 343         },
 344         { /* 0x0e */
 345                 TVP5150_LUMA_PROC_CTL_3,0x00
 346         },
 347         { /* 0x0f */
 348                 TVP5150_CONF_SHARED_PIN,0x08
 349         },
 350         { /* 0x11 */
 351                 TVP5150_ACT_VD_CROP_ST_MSB,0x00
 352         },
 353         { /* 0x12 */
 354                 TVP5150_ACT_VD_CROP_ST_LSB,0x00
 355         },
 356         { /* 0x13 */
 357                 TVP5150_ACT_VD_CROP_STP_MSB,0x00
 358         },
 359         { /* 0x14 */
 360                 TVP5150_ACT_VD_CROP_STP_LSB,0x00
 361         },
 362         { /* 0x15 */
 363                 TVP5150_GENLOCK,0x01
 364         },
 365         { /* 0x16 */
 366                 TVP5150_HORIZ_SYNC_START,0x80
 367         },
 368         { /* 0x18 */
 369                 TVP5150_VERT_BLANKING_START,0x00
 370         },
 371         { /* 0x19 */
 372                 TVP5150_VERT_BLANKING_STOP,0x00
 373         },
 374         { /* 0x1a */
 375                 TVP5150_CHROMA_PROC_CTL_1,0x0c
 376         },
 377         { /* 0x1b */
 378                 TVP5150_CHROMA_PROC_CTL_2,0x14
 379         },
 380         { /* 0x1c */
 381                 TVP5150_INT_RESET_REG_B,0x00
 382         },
 383         { /* 0x1d */
 384                 TVP5150_INT_ENABLE_REG_B,0x00
 385         },
 386         { /* 0x1e */
 387                 TVP5150_INTT_CONFIG_REG_B,0x00
 388         },
 389         { /* 0x28 */
 390                 TVP5150_VIDEO_STD,0x00
 391         },
 392         { /* 0x2e */
 393                 TVP5150_MACROVISION_ON_CTR,0x0f
 394         },
 395         { /* 0x2f */
 396                 TVP5150_MACROVISION_OFF_CTR,0x01
 397         },
 398         { /* 0xbb */
 399                 TVP5150_TELETEXT_FIL_ENA,0x00
 400         },
 401         { /* 0xc0 */
 402                 TVP5150_INT_STATUS_REG_A,0x00
 403         },
 404         { /* 0xc1 */
 405                 TVP5150_INT_ENABLE_REG_A,0x00
 406         },
 407         { /* 0xc2 */
 408                 TVP5150_INT_CONF,0x04
 409         },
 410         { /* 0xc8 */
 411                 TVP5150_FIFO_INT_THRESHOLD,0x80
 412         },
 413         { /* 0xc9 */
 414                 TVP5150_FIFO_RESET,0x00
 415         },
 416         { /* 0xca */
 417                 TVP5150_LINE_NUMBER_INT,0x00
 418         },
 419         { /* 0xcb */
 420                 TVP5150_PIX_ALIGN_REG_LOW,0x4e
 421         },
 422         { /* 0xcc */
 423                 TVP5150_PIX_ALIGN_REG_HIGH,0x00
 424         },
 425         { /* 0xcd */
 426                 TVP5150_FIFO_OUT_CTRL,0x01
 427         },
 428         { /* 0xcf */
 429                 TVP5150_FULL_FIELD_ENA,0x00
 430         },
 431         { /* 0xd0 */
 432                 TVP5150_LINE_MODE_INI,0x00
 433         },
 434         { /* 0xfc */
 435                 TVP5150_FULL_FIELD_MODE_REG,0x7f
 436         },
 437         { /* end of data */
 438                 0xff,0xff
 439         }
 440 };
 441
 442 /* Default values as sugested at TVP5150AM1 datasheet */
 443 static const struct i2c_reg_value tvp5150_init_enable[] = {
 444         {
 445                 TVP5150_CONF_SHARED_PIN, 2
 446         },{     /* Automatic offset and AGC enabled */
 447                 TVP5150_ANAL_CHL_CTL, 0x15
 448         },{     /* Activate YCrCb output 0x9 or 0xd ? */
 449                 TVP5150_MISC_CTL, 0x6f
 450         },{     /* Activates video std autodetection for all standards */
 451                 TVP5150_AUTOSW_MSK, 0x0
 452         },{     /* Default format: 0x47. For 4:2:2: 0x40 */
 453                 TVP5150_DATA_RATE_SEL, 0x47
 454         },{
 455                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 456         },{
 457                 TVP5150_CHROMA_PROC_CTL_2, 0x54
 458         },{     /* Non documented, but initialized on WinTV USB2 */
 459                 0x27, 0x20
 460         },{
 461                 0xff,0xff
 462         }
 463 };
 464
 465 struct tvp5150_vbi_type {
 466         unsigned int vbi_type;
 467         unsigned int ini_line;
 468         unsigned int end_line;
 469         unsigned int by_field :1;
 470 };
 471
 472 struct i2c_vbi_ram_value {
 473         u16 reg;
 474         struct tvp5150_vbi_type type;
 475         unsigned char values[16];
 476 };
 477
 478 /* This struct have the values for each supported VBI Standard
 479  * by
 480  tvp5150_vbi_types should follow the same order as vbi_ram_default
 481  * value 0 means rom position 0x10, value 1 means rom position 0x30
 482  * and so on. There are 16 possible locations from 0 to 15.
 483  */
 484
 485 static struct i2c_vbi_ram_value vbi_ram_default[] =
 486 {
 487         /* FIXME: Current api doesn't handle all VBI types, those not
 488            yet supported are placed under #if 0 */
 489 #if 0
 490         {0x010, /* Teletext, SECAM, WST System A */
 491                 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
 492                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 493                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 494         },
 495 #endif
 496         {0x030, /* Teletext, PAL, WST System B */
 497                 {V4L2_SLICED_TELETEXT_B,6,22,1},
 498                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 499                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 500         },
 501 #if 0
 502         {0x050, /* Teletext, PAL, WST System C */
 503                 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
 504                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 505                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 506         },
 507         {0x070, /* Teletext, NTSC, WST System B */
 508                 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
 509                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 510                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 511         },
 512         {0x090, /* Tetetext, NTSC NABTS System C */
 513                 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
 514                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 515                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 516         },
 517         {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 518                 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
 519                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 520                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 521         },
 522         {0x0d0, /* Closed Caption, PAL/SECAM */
 523                 {V4L2_SLICED_CAPTION_625,22,22,1},
 524                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 525                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 526         },
 527 #endif
 528         {0x0f0, /* Closed Caption, NTSC */
 529                 {V4L2_SLICED_CAPTION_525,21,21,1},
 530                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 531                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 532         },
 533         {0x110, /* Wide Screen Signal, PAL/SECAM */
 534                 {V4L2_SLICED_WSS_625,23,23,1},
 535                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 536                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 537         },
 538 #if 0
 539         {0x130, /* Wide Screen Signal, NTSC C */
 540                 {V4L2_SLICED_WSS_525,20,20,1},
 541                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 542                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 543         },
 544         {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 545                 {V4l2_SLICED_VITC_625,6,22,0},
 546                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 547                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 548         },
 549         {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 550                 {V4l2_SLICED_VITC_525,10,20,0},
 551                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 552                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 553         },
 554 #endif
 555         {0x190, /* Video Program System (VPS), PAL */
 556                 {V4L2_SLICED_VPS,16,16,0},
 557                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 558                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 559         },
 560         /* 0x1d0 User programmable */
 561
 562         /* End of struct */
 563         { (u16)-1 }
 564 };
 565
 566 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
 567                                 const struct i2c_reg_value *regs)
 568 {
 569         while (regs->reg != 0xff) {
 570                 tvp5150_write(sd, regs->reg, regs->value);
 571                 regs++;
 572         }
 573         return 0;
 574 }
 575
 576 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
 577                                 const struct i2c_vbi_ram_value *regs)
 578 {
 579         unsigned int i;
 580
 581         /* Disable Full Field */
 582         tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
 583
 584         /* Before programming, Line mode should be at 0xff */
 585         for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
 586                 tvp5150_write(sd, i, 0xff);
 587
 588         /* Load Ram Table */
 589         while (regs->reg != (u16)-1) {
 590                 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
 591                 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
 592
 593                 for (i = 0; i < 16; i++)
 594                         tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
 595
 596                 regs++;
 597         }
 598         return 0;
 599 }
 600
 601 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 602 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
 603                                 struct v4l2_sliced_vbi_cap *cap)
 604 {
 605         const struct i2c_vbi_ram_value *regs = vbi_ram_default;
 606         int line;
 607
 608         v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n");
 609         memset(cap, 0, sizeof *cap);
 610
 611         while (regs->reg != (u16)-1 ) {
 612                 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
 613                         cap->service_lines[0][line] |= regs->type.vbi_type;
 614                 }
 615                 cap->service_set |= regs->type.vbi_type;
 616
 617                 regs++;
 618         }
 619         return 0;
 620 }
 621
 622 /* Set vbi processing
 623  * type - one of tvp5150_vbi_types
 624  * line - line to gather data
 625  * fields: bit 0 field1, bit 1, field2
 626  * flags (default=0xf0) is a bitmask, were set means:
 627  *      bit 7: enable filtering null bytes on CC
 628  *      bit 6: send data also to FIFO
 629  *      bit 5: don't allow data with errors on FIFO
 630  *      bit 4: enable ECC when possible
 631  * pix_align = pix alignment:
 632  *      LSB = field1
 633  *      MSB = field2
 634  */
 635 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 636                         const struct i2c_vbi_ram_value *regs,
 637                         unsigned int type,u8 flags, int line,
 638                         const int fields)
 639 {
 640         struct tvp5150 *decoder = to_tvp5150(sd);
 641         v4l2_std_id std = decoder->norm;
 642         u8 reg;
 643         int pos=0;
 644
 645         if (std == V4L2_STD_ALL) {
 646                 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
 647                 return 0;
 648         } else if (std & V4L2_STD_625_50) {
 649                 /* Don't follow NTSC Line number convension */
 650                 line += 3;
 651         }
 652
 653         if (line<6||line>27)
 654                 return 0;
 655
 656         while (regs->reg != (u16)-1 ) {
 657                 if ((type & regs->type.vbi_type) &&
 658                     (line>=regs->type.ini_line) &&
 659                     (line<=regs->type.end_line)) {
 660                         type=regs->type.vbi_type;
 661                         break;
 662                 }
 663
 664                 regs++;
 665                 pos++;
 666         }
 667         if (regs->reg == (u16)-1)
 668                 return 0;
 669
 670         type=pos | (flags & 0xf0);
 671         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 672
 673         if (fields&1) {
 674                 tvp5150_write(sd, reg, type);
 675         }
 676
 677         if (fields&2) {
 678                 tvp5150_write(sd, reg+1, type);
 679         }
 680
 681         return type;
 682 }
 683
 684 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
 685                         const struct i2c_vbi_ram_value *regs, int line)
 686 {
 687         struct tvp5150 *decoder = to_tvp5150(sd);
 688         v4l2_std_id std = decoder->norm;
 689         u8 reg;
 690         int pos, type = 0;
 691         int i, ret = 0;
 692
 693         if (std == V4L2_STD_ALL) {
 694                 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
 695                 return 0;
 696         } else if (std & V4L2_STD_625_50) {
 697                 /* Don't follow NTSC Line number convension */
 698                 line += 3;
 699         }
 700
 701         if (line < 6 || line > 27)
 702                 return 0;
 703
 704         reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 705
 706         for (i = 0; i <= 1; i++) {
 707                 ret = tvp5150_read(sd, reg + i);
 708                 if (ret < 0) {
 709                         v4l2_err(sd, "%s: failed with error = %d\n",
 710                                  __func__, ret);
 711                         return 0;
 712                 }
 713                 pos = ret & 0x0f;
 714                 if (pos < 0x0f)
 715                         type |= regs[pos].type.vbi_type;
 716         }
 717
 718         return type;
 719 }
 720
 721 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
 722 {
 723         struct tvp5150 *decoder = to_tvp5150(sd);
 724         int fmt = 0;
 725
 726         decoder->norm = std;
 727
 728         /* First tests should be against specific std */
 729
 730         if (std == V4L2_STD_ALL) {
 731                 fmt = VIDEO_STD_AUTO_SWITCH_BIT;        /* Autodetect mode */
 732         } else if (std & V4L2_STD_NTSC_443) {
 733                 fmt = VIDEO_STD_NTSC_4_43_BIT;
 734         } else if (std & V4L2_STD_PAL_M) {
 735                 fmt = VIDEO_STD_PAL_M_BIT;
 736         } else if (std & (V4L2_STD_PAL_N | V4L2_STD_PAL_Nc)) {
 737                 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
 738         } else {
 739                 /* Then, test against generic ones */
 740                 if (std & V4L2_STD_NTSC)
 741                         fmt = VIDEO_STD_NTSC_MJ_BIT;
 742                 else if (std & V4L2_STD_PAL)
 743                         fmt = VIDEO_STD_PAL_BDGHIN_BIT;
 744                 else if (std & V4L2_STD_SECAM)
 745                         fmt = VIDEO_STD_SECAM_BIT;
 746         }
 747
 748         v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt);
 749         tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
 750         return 0;
 751 }
 752
 753 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 754 {
 755         struct tvp5150 *decoder = to_tvp5150(sd);
 756
 757         if (decoder->norm == std)
 758                 return 0;
 759
 760         /* Change cropping height limits */
 761         if (std & V4L2_STD_525_60)
 762                 decoder->rect.height = TVP5150_V_MAX_525_60;
 763         else
 764                 decoder->rect.height = TVP5150_V_MAX_OTHERS;
 765
 766
 767         return tvp5150_set_std(sd, std);
 768 }
 769
 770 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
 771 {
 772         struct tvp5150 *decoder = to_tvp5150(sd);
 773
 774         /* Initializes TVP5150 to its default values */
 775         tvp5150_write_inittab(sd, tvp5150_init_default);
 776
 777         /* Initializes VDP registers */
 778         tvp5150_vdp_init(sd, vbi_ram_default);
 779
 780         /* Selects decoder input */
 781         tvp5150_selmux(sd);
 782
 783         /* Initializes TVP5150 to stream enabled values */
 784         tvp5150_write_inittab(sd, tvp5150_init_enable);
 785
 786         /* Initialize image preferences */
 787         v4l2_ctrl_handler_setup(&decoder->hdl);
 788
 789         tvp5150_set_std(sd, decoder->norm);
 790         return 0;
 791 };
 792
 793 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
 794 {
 795         struct v4l2_subdev *sd = to_sd(ctrl);
 796
 797         switch (ctrl->id) {
 798         case V4L2_CID_BRIGHTNESS:
 799                 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
 800                 return 0;
 801         case V4L2_CID_CONTRAST:
 802                 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
 803                 return 0;
 804         case V4L2_CID_SATURATION:
 805                 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
 806                 return 0;
 807         case V4L2_CID_HUE:
 808                 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
 809                 return 0;
 810         }
 811         return -EINVAL;
 812 }
 813
 814 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
 815 {
 816         int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
 817
 818         switch (val & 0x0F) {
 819         case 0x01:
 820                 return V4L2_STD_NTSC;
 821         case 0x03:
 822                 return V4L2_STD_PAL;
 823         case 0x05:
 824                 return V4L2_STD_PAL_M;
 825         case 0x07:
 826                 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
 827         case 0x09:
 828                 return V4L2_STD_NTSC_443;
 829         case 0xb:
 830                 return V4L2_STD_SECAM;
 831         default:
 832                 return V4L2_STD_UNKNOWN;
 833         }
 834 }
 835
 836 static int tvp5150_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,
 837                                                 enum v4l2_mbus_pixelcode *code)
 838 {
 839         if (index)
 840                 return -EINVAL;
 841
 842         *code = V4L2_MBUS_FMT_UYVY8_2X8;
 843         return 0;
 844 }
 845
 846 static int tvp5150_mbus_fmt(struct v4l2_subdev *sd,
 847                             struct v4l2_mbus_framefmt *f)
 848 {
 849         struct tvp5150 *decoder = to_tvp5150(sd);
 850
 851         if (f == NULL)
 852                 return -EINVAL;
 853
 854         tvp5150_reset(sd, 0);
 855
 856         f->width = decoder->rect.width;
 857         f->height = decoder->rect.height;
 858
 859         f->code = V4L2_MBUS_FMT_UYVY8_2X8;
 860         f->field = V4L2_FIELD_SEQ_TB;
 861         f->colorspace = V4L2_COLORSPACE_SMPTE170M;
 862
 863         v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width,
 864                         f->height);
 865         return 0;
 866 }
 867
 868 static int tvp5150_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
 869 {
 870         struct v4l2_rect rect = a->c;
 871         struct tvp5150 *decoder = to_tvp5150(sd);
 872         v4l2_std_id std;
 873         int hmax;
 874
 875         v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n",
 876                 __func__, rect.left, rect.top, rect.width, rect.height);
 877
 878         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 879                 return -EINVAL;
 880
 881         /* tvp5150 has some special limits */
 882         rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
 883         rect.width = clamp(rect.width,
 884                            TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
 885                            TVP5150_H_MAX - rect.left);
 886         rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
 887
 888         /* Calculate height based on current standard */
 889         if (decoder->norm == V4L2_STD_ALL)
 890                 std = tvp5150_read_std(sd);
 891         else
 892                 std = decoder->norm;
 893
 894         if (std & V4L2_STD_525_60)
 895                 hmax = TVP5150_V_MAX_525_60;
 896         else
 897                 hmax = TVP5150_V_MAX_OTHERS;
 898
 899         rect.height = clamp(rect.height,
 900                             hmax - TVP5150_MAX_CROP_TOP - rect.top,
 901                             hmax - rect.top);
 902
 903         tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
 904         tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
 905                       rect.top + rect.height - hmax);
 906         tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
 907                       rect.left >> TVP5150_CROP_SHIFT);
 908         tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
 909                       rect.left | (1 << TVP5150_CROP_SHIFT));
 910         tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
 911                       (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
 912                       TVP5150_CROP_SHIFT);
 913         tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
 914                       rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
 915
 916         decoder->rect = rect;
 917
 918         return 0;
 919 }
 920
 921 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
 922 {
 923         struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
 924
 925         a->c    = decoder->rect;
 926         a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 927
 928         return 0;
 929 }
 930
 931 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
 932 {
 933         struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
 934         v4l2_std_id std;
 935
 936         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 937                 return -EINVAL;
 938
 939         a->bounds.left                  = 0;
 940         a->bounds.top                   = 0;
 941         a->bounds.width                 = TVP5150_H_MAX;
 942
 943         /* Calculate height based on current standard */
 944         if (decoder->norm == V4L2_STD_ALL)
 945                 std = tvp5150_read_std(sd);
 946         else
 947                 std = decoder->norm;
 948
 949         if (std & V4L2_STD_525_60)
 950                 a->bounds.height = TVP5150_V_MAX_525_60;
 951         else
 952                 a->bounds.height = TVP5150_V_MAX_OTHERS;
 953
 954         a->defrect                      = a->bounds;
 955         a->pixelaspect.numerator        = 1;
 956         a->pixelaspect.denominator      = 1;
 957
 958         return 0;
 959 }
 960
 961 /****************************************************************************
 962                         I2C Command
 963  ****************************************************************************/
 964
 965 static int tvp5150_s_routing(struct v4l2_subdev *sd,
 966                              u32 input, u32 output, u32 config)
 967 {
 968         struct tvp5150 *decoder = to_tvp5150(sd);
 969
 970         decoder->input = input;
 971         decoder->output = output;
 972         tvp5150_selmux(sd);
 973         return 0;
 974 }
 975
 976 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
 977 {
 978         /* this is for capturing 36 raw vbi lines
 979            if there's a way to cut off the beginning 2 vbi lines
 980            with the tvp5150 then the vbi line count could be lowered
 981            to 17 lines/field again, although I couldn't find a register
 982            which could do that cropping */
 983         if (fmt->sample_format == V4L2_PIX_FMT_GREY)
 984                 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
 985         if (fmt->count[0] == 18 && fmt->count[1] == 18) {
 986                 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
 987                 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
 988         }
 989         return 0;
 990 }
 991
 992 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
 993 {
 994         int i;
 995
 996         if (svbi->service_set != 0) {
 997                 for (i = 0; i <= 23; i++) {
 998                         svbi->service_lines[1][i] = 0;
 999                         svbi->service_lines[0][i] =
1000                                 tvp5150_set_vbi(sd, vbi_ram_default,
1001                                        svbi->service_lines[0][i], 0xf0, i, 3);
1002                 }
1003                 /* Enables FIFO */
1004                 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1005         } else {
1006                 /* Disables FIFO*/
1007                 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1008
1009                 /* Disable Full Field */
1010                 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1011
1012                 /* Disable Line modes */
1013                 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1014                         tvp5150_write(sd, i, 0xff);
1015         }
1016         return 0;
1017 }
1018
1019 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1020 {
1021         int i, mask = 0;
1022
1023         memset(svbi, 0, sizeof(*svbi));
1024
1025         for (i = 0; i <= 23; i++) {
1026                 svbi->service_lines[0][i] =
1027                         tvp5150_get_vbi(sd, vbi_ram_default, i);
1028                 mask |= svbi->service_lines[0][i];
1029         }
1030         svbi->service_set = mask;
1031         return 0;
1032 }
1033
1034 static int tvp5150_g_chip_ident(struct v4l2_subdev *sd,
1035                                 struct v4l2_dbg_chip_ident *chip)
1036 {
1037         int rev;
1038         struct i2c_client *client = v4l2_get_subdevdata(sd);
1039
1040         rev = tvp5150_read(sd, TVP5150_ROM_MAJOR_VER) << 8 |
1041               tvp5150_read(sd, TVP5150_ROM_MINOR_VER);
1042
1043         return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVP5150,
1044                                           rev);
1045 }
1046
1047
1048 #ifdef CONFIG_VIDEO_ADV_DEBUG
1049 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1050 {
1051         int res;
1052
1053         struct i2c_client *client = v4l2_get_subdevdata(sd);
1054
1055         if (!v4l2_chip_match_i2c_client(client, &reg->match))
1056                 return -EINVAL;
1057         if (!capable(CAP_SYS_ADMIN))
1058                 return -EPERM;
1059         res = tvp5150_read(sd, reg->reg & 0xff);
1060         if (res < 0) {
1061                 v4l2_err(sd, "%s: failed with error = %d\n", __func__, res);
1062                 return res;
1063         }
1064
1065         reg->val = res;
1066         reg->size = 1;
1067         return 0;
1068 }
1069
1070 static int tvp5150_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1071 {
1072         struct i2c_client *client = v4l2_get_subdevdata(sd);
1073
1074         if (!v4l2_chip_match_i2c_client(client, &reg->match))
1075                 return -EINVAL;
1076         if (!capable(CAP_SYS_ADMIN))
1077                 return -EPERM;
1078         tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1079         return 0;
1080 }
1081 #endif
1082
1083 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1084 {
1085         int status = tvp5150_read(sd, 0x88);
1086
1087         vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1088         return 0;
1089 }
1090
1091 /* ----------------------------------------------------------------------- */
1092
1093 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1094         .s_ctrl = tvp5150_s_ctrl,
1095 };
1096
1097 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1098         .log_status = tvp5150_log_status,
1099         .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
1100         .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
1101         .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
1102         .g_ctrl = v4l2_subdev_g_ctrl,
1103         .s_ctrl = v4l2_subdev_s_ctrl,
1104         .queryctrl = v4l2_subdev_queryctrl,
1105         .querymenu = v4l2_subdev_querymenu,
1106         .s_std = tvp5150_s_std,
1107         .reset = tvp5150_reset,
1108         .g_chip_ident = tvp5150_g_chip_ident,
1109 #ifdef CONFIG_VIDEO_ADV_DEBUG
1110         .g_register = tvp5150_g_register,
1111         .s_register = tvp5150_s_register,
1112 #endif
1113 };
1114
1115 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1116         .g_tuner = tvp5150_g_tuner,
1117 };
1118
1119 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1120         .s_routing = tvp5150_s_routing,
1121         .enum_mbus_fmt = tvp5150_enum_mbus_fmt,
1122         .s_mbus_fmt = tvp5150_mbus_fmt,
1123         .try_mbus_fmt = tvp5150_mbus_fmt,
1124         .g_mbus_fmt = tvp5150_mbus_fmt,
1125         .s_crop = tvp5150_s_crop,
1126         .g_crop = tvp5150_g_crop,
1127         .cropcap = tvp5150_cropcap,
1128 };
1129
1130 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1131         .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1132         .g_sliced_fmt = tvp5150_g_sliced_fmt,
1133         .s_sliced_fmt = tvp5150_s_sliced_fmt,
1134         .s_raw_fmt = tvp5150_s_raw_fmt,
1135 };
1136
1137 static const struct v4l2_subdev_ops tvp5150_ops = {
1138         .core = &tvp5150_core_ops,
1139         .tuner = &tvp5150_tuner_ops,
1140         .video = &tvp5150_video_ops,
1141         .vbi = &tvp5150_vbi_ops,
1142 };
1143
1144
1145 /****************************************************************************
1146                         I2C Client & Driver
1147  ****************************************************************************/
1148
1149 static int tvp5150_probe(struct i2c_client *c,
1150                          const struct i2c_device_id *id)
1151 {
1152         struct tvp5150 *core;
1153         struct v4l2_subdev *sd;
1154         int tvp5150_id[4];
1155         int i, res;
1156
1157         /* Check if the adapter supports the needed features */
1158         if (!i2c_check_functionality(c->adapter,
1159              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1160                 return -EIO;
1161
1162         core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1163         if (!core) {
1164                 return -ENOMEM;
1165         }
1166         sd = &core->sd;
1167         v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1168
1169         /*
1170          * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1171          * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1172          */
1173         for (i = 0; i < 4; i++) {
1174                 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1175                 if (res < 0)
1176                         goto free_core;
1177                 tvp5150_id[i] = res;
1178         }
1179
1180         v4l_info(c, "chip found @ 0x%02x (%s)\n",
1181                  c->addr << 1, c->adapter->name);
1182
1183         if (tvp5150_id[2] == 4 && tvp5150_id[3] == 0) { /* Is TVP5150AM1 */
1184                 v4l2_info(sd, "tvp%02x%02xam1 detected.\n",
1185                           tvp5150_id[0], tvp5150_id[1]);
1186
1187                 /* ITU-T BT.656.4 timing */
1188                 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1189         } else {
1190                 /* Is TVP5150A */
1191                 if (tvp5150_id[2] == 3 || tvp5150_id[3] == 0x21) {
1192                         v4l2_info(sd, "tvp%02x%02xa detected.\n",
1193                                   tvp5150_id[2], tvp5150_id[3]);
1194                 } else {
1195                         v4l2_info(sd, "*** unknown tvp%02x%02x chip detected.\n",
1196                                   tvp5150_id[2], tvp5150_id[3]);
1197                         v4l2_info(sd, "*** Rom ver is %d.%d\n",
1198                                   tvp5150_id[2], tvp5150_id[3]);
1199                 }
1200         }
1201
1202         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1203         core->input = TVP5150_COMPOSITE1;
1204         core->enable = 1;
1205
1206         v4l2_ctrl_handler_init(&core->hdl, 4);
1207         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1208                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1209         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1210                         V4L2_CID_CONTRAST, 0, 255, 1, 128);
1211         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1212                         V4L2_CID_SATURATION, 0, 255, 1, 128);
1213         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1214                         V4L2_CID_HUE, -128, 127, 1, 0);
1215         sd->ctrl_handler = &core->hdl;
1216         if (core->hdl.error) {
1217                 res = core->hdl.error;
1218                 v4l2_ctrl_handler_free(&core->hdl);
1219                 goto free_core;
1220         }
1221         v4l2_ctrl_handler_setup(&core->hdl);
1222
1223         /* Default is no cropping */
1224         core->rect.top = 0;
1225         if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1226                 core->rect.height = TVP5150_V_MAX_525_60;
1227         else
1228                 core->rect.height = TVP5150_V_MAX_OTHERS;
1229         core->rect.left = 0;
1230         core->rect.width = TVP5150_H_MAX;
1231
1232         if (debug > 1)
1233                 tvp5150_log_status(sd);
1234         return 0;
1235
1236 free_core:
1237         kfree(core);
1238         return res;
1239 }
1240
1241 static int tvp5150_remove(struct i2c_client *c)
1242 {
1243         struct v4l2_subdev *sd = i2c_get_clientdata(c);
1244         struct tvp5150 *decoder = to_tvp5150(sd);
1245
1246         v4l2_dbg(1, debug, sd,
1247                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1248                 c->addr << 1);
1249
1250         v4l2_device_unregister_subdev(sd);
1251         v4l2_ctrl_handler_free(&decoder->hdl);
1252         kfree(to_tvp5150(sd));
1253         return 0;
1254 }
1255
1256 /* ----------------------------------------------------------------------- */
1257
1258 static const struct i2c_device_id tvp5150_id[] = {
1259         { "tvp5150", 0 },
1260         { }
1261 };
1262 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1263
1264 static struct i2c_driver tvp5150_driver = {
1265         .driver = {
1266                 .owner  = THIS_MODULE,
1267                 .name   = "tvp5150",
1268         },
1269         .probe          = tvp5150_probe,
1270         .remove         = tvp5150_remove,
1271         .id_table       = tvp5150_id,
1272 };
1273
1274 module_i2c_driver(tvp5150_driver);