drivers/media/video/tvp514x.c

   1 /*
   2  * drivers/media/video/tvp514x.c
   3  *
   4  * TI TVP5146/47 decoder driver
   5  *
   6  * Copyright (C) 2008 Texas Instruments Inc
   7  * Author: Vaibhav Hiremath <hvaibhav@ti.com>
   8  *
   9  * Contributors:
  10  *     Sivaraj R <sivaraj@ti.com>
  11  *     Brijesh R Jadav <brijesh.j@ti.com>
  12  *     Hardik Shah <hardik.shah@ti.com>
  13  *     Manjunath Hadli <mrh@ti.com>
  14  *     Karicheri Muralidharan <m-karicheri2@ti.com>
  15  *
  16  * This package is free software; you can redistribute it and/or modify
  17  * it under the terms of the GNU General Public License version 2 as
  18  * published by the Free Software Foundation.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  28  *
  29  */
  30
  31 #include <linux/i2c.h>
  32 #include <linux/slab.h>
  33 #include <linux/delay.h>
  34 #include <linux/videodev2.h>
  35
  36 #include <media/v4l2-device.h>
  37 #include <media/v4l2-common.h>
  38 #include <media/v4l2-mediabus.h>
  39 #include <media/v4l2-chip-ident.h>
  40 #include <media/v4l2-ctrls.h>
  41 #include <media/tvp514x.h>
  42
  43 #include "tvp514x_regs.h"
  44
  45 /* Module Name */
  46 #define TVP514X_MODULE_NAME             "tvp514x"
  47
  48 /* Private macros for TVP */
  49 #define I2C_RETRY_COUNT                 (5)
  50 #define LOCK_RETRY_COUNT                (5)
  51 #define LOCK_RETRY_DELAY                (200)
  52
  53 /* Debug functions */
  54 static int debug;
  55 module_param(debug, bool, 0644);
  56 MODULE_PARM_DESC(debug, "Debug level (0-1)");
  57
  58 MODULE_AUTHOR("Texas Instruments");
  59 MODULE_DESCRIPTION("TVP514X linux decoder driver");
  60 MODULE_LICENSE("GPL");
  61
  62 /* enum tvp514x_std - enum for supported standards */
  63 enum tvp514x_std {
  64         STD_NTSC_MJ = 0,
  65         STD_PAL_BDGHIN,
  66         STD_INVALID
  67 };
  68
  69 /**
  70  * struct tvp514x_std_info - Structure to store standard informations
  71  * @width: Line width in pixels
  72  * @height:Number of active lines
  73  * @video_std: Value to write in REG_VIDEO_STD register
  74  * @standard: v4l2 standard structure information
  75  */
  76 struct tvp514x_std_info {
  77         unsigned long width;
  78         unsigned long height;
  79         u8 video_std;
  80         struct v4l2_standard standard;
  81 };
  82
  83 static struct tvp514x_reg tvp514x_reg_list_default[0x40];
  84
  85 static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable);
  86 /**
  87  * struct tvp514x_decoder - TVP5146/47 decoder object
  88  * @sd: Subdevice Slave handle
  89  * @tvp514x_regs: copy of hw's regs with preset values.
  90  * @pdata: Board specific
  91  * @ver: Chip version
  92  * @streaming: TVP5146/47 decoder streaming - enabled or disabled.
  93  * @current_std: Current standard
  94  * @num_stds: Number of standards
  95  * @std_list: Standards list
  96  * @input: Input routing at chip level
  97  * @output: Output routing at chip level
  98  */
  99 struct tvp514x_decoder {
 100         struct v4l2_subdev sd;
 101         struct v4l2_ctrl_handler hdl;
 102         struct tvp514x_reg tvp514x_regs[ARRAY_SIZE(tvp514x_reg_list_default)];
 103         const struct tvp514x_platform_data *pdata;
 104
 105         int ver;
 106         int streaming;
 107
 108         enum tvp514x_std current_std;
 109         int num_stds;
 110         const struct tvp514x_std_info *std_list;
 111         /* Input and Output Routing parameters */
 112         u32 input;
 113         u32 output;
 114 };
 115
 116 /* TVP514x default register values */
 117 static struct tvp514x_reg tvp514x_reg_list_default[] = {
 118         /* Composite selected */
 119         {TOK_WRITE, REG_INPUT_SEL, 0x05},
 120         {TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F},
 121         /* Auto mode */
 122         {TOK_WRITE, REG_VIDEO_STD, 0x00},
 123         {TOK_WRITE, REG_OPERATION_MODE, 0x00},
 124         {TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F},
 125         {TOK_WRITE, REG_COLOR_KILLER, 0x10},
 126         {TOK_WRITE, REG_LUMA_CONTROL1, 0x00},
 127         {TOK_WRITE, REG_LUMA_CONTROL2, 0x00},
 128         {TOK_WRITE, REG_LUMA_CONTROL3, 0x02},
 129         {TOK_WRITE, REG_BRIGHTNESS, 0x80},
 130         {TOK_WRITE, REG_CONTRAST, 0x80},
 131         {TOK_WRITE, REG_SATURATION, 0x80},
 132         {TOK_WRITE, REG_HUE, 0x00},
 133         {TOK_WRITE, REG_CHROMA_CONTROL1, 0x00},
 134         {TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E},
 135         /* Reserved */
 136         {TOK_SKIP, 0x0F, 0x00},
 137         {TOK_WRITE, REG_COMP_PR_SATURATION, 0x80},
 138         {TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80},
 139         {TOK_WRITE, REG_COMP_PB_SATURATION, 0x80},
 140         /* Reserved */
 141         {TOK_SKIP, 0x13, 0x00},
 142         {TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80},
 143         /* Reserved */
 144         {TOK_SKIP, 0x15, 0x00},
 145         /* NTSC timing */
 146         {TOK_SKIP, REG_AVID_START_PIXEL_LSB, 0x55},
 147         {TOK_SKIP, REG_AVID_START_PIXEL_MSB, 0x00},
 148         {TOK_SKIP, REG_AVID_STOP_PIXEL_LSB, 0x25},
 149         {TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03},
 150         /* NTSC timing */
 151         {TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00},
 152         {TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00},
 153         {TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40},
 154         {TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00},
 155         /* NTSC timing */
 156         {TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04},
 157         {TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00},
 158         {TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07},
 159         {TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00},
 160         /* NTSC timing */
 161         {TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01},
 162         {TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00},
 163         {TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15},
 164         {TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00},
 165         /* Reserved */
 166         {TOK_SKIP, 0x26, 0x00},
 167         /* Reserved */
 168         {TOK_SKIP, 0x27, 0x00},
 169         {TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC},
 170         /* Reserved */
 171         {TOK_SKIP, 0x29, 0x00},
 172         {TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00},
 173         /* Reserved */
 174         {TOK_SKIP, 0x2B, 0x00},
 175         {TOK_SKIP, REG_SCART_DELAY, 0x00},
 176         {TOK_SKIP, REG_CTI_DELAY, 0x00},
 177         {TOK_SKIP, REG_CTI_CONTROL, 0x00},
 178         /* Reserved */
 179         {TOK_SKIP, 0x2F, 0x00},
 180         /* Reserved */
 181         {TOK_SKIP, 0x30, 0x00},
 182         /* Reserved */
 183         {TOK_SKIP, 0x31, 0x00},
 184         /* HS, VS active high */
 185         {TOK_WRITE, REG_SYNC_CONTROL, 0x00},
 186         /* 10-bit BT.656 */
 187         {TOK_WRITE, REG_OUTPUT_FORMATTER1, 0x00},
 188         /* Enable clk & data */
 189         {TOK_WRITE, REG_OUTPUT_FORMATTER2, 0x11},
 190         /* Enable AVID & FLD */
 191         {TOK_WRITE, REG_OUTPUT_FORMATTER3, 0xEE},
 192         /* Enable VS & HS */
 193         {TOK_WRITE, REG_OUTPUT_FORMATTER4, 0xAF},
 194         {TOK_WRITE, REG_OUTPUT_FORMATTER5, 0xFF},
 195         {TOK_WRITE, REG_OUTPUT_FORMATTER6, 0xFF},
 196         /* Clear status */
 197         {TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01},
 198         {TOK_TERM, 0, 0},
 199 };
 200
 201 /**
 202  * Supported standards -
 203  *
 204  * Currently supports two standards only, need to add support for rest of the
 205  * modes, like SECAM, etc...
 206  */
 207 static const struct tvp514x_std_info tvp514x_std_list[] = {
 208         /* Standard: STD_NTSC_MJ */
 209         [STD_NTSC_MJ] = {
 210          .width = NTSC_NUM_ACTIVE_PIXELS,
 211          .height = NTSC_NUM_ACTIVE_LINES,
 212          .video_std = VIDEO_STD_NTSC_MJ_BIT,
 213          .standard = {
 214                       .index = 0,
 215                       .id = V4L2_STD_NTSC,
 216                       .name = "NTSC",
 217                       .frameperiod = {1001, 30000},
 218                       .framelines = 525
 219                      },
 220         /* Standard: STD_PAL_BDGHIN */
 221         },
 222         [STD_PAL_BDGHIN] = {
 223          .width = PAL_NUM_ACTIVE_PIXELS,
 224          .height = PAL_NUM_ACTIVE_LINES,
 225          .video_std = VIDEO_STD_PAL_BDGHIN_BIT,
 226          .standard = {
 227                       .index = 1,
 228                       .id = V4L2_STD_PAL,
 229                       .name = "PAL",
 230                       .frameperiod = {1, 25},
 231                       .framelines = 625
 232                      },
 233         },
 234         /* Standard: need to add for additional standard */
 235 };
 236
 237
 238 static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd)
 239 {
 240         return container_of(sd, struct tvp514x_decoder, sd);
 241 }
 242
 243 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
 244 {
 245         return &container_of(ctrl->handler, struct tvp514x_decoder, hdl)->sd;
 246 }
 247
 248
 249 /**
 250  * tvp514x_read_reg() - Read a value from a register in an TVP5146/47.
 251  * @sd: ptr to v4l2_subdev struct
 252  * @reg: TVP5146/47 register address
 253  *
 254  * Returns value read if successful, or non-zero (-1) otherwise.
 255  */
 256 static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg)
 257 {
 258         int err, retry = 0;
 259         struct i2c_client *client = v4l2_get_subdevdata(sd);
 260
 261 read_again:
 262
 263         err = i2c_smbus_read_byte_data(client, reg);
 264         if (err < 0) {
 265                 if (retry <= I2C_RETRY_COUNT) {
 266                         v4l2_warn(sd, "Read: retry ... %d\n", retry);
 267                         retry++;
 268                         msleep_interruptible(10);
 269                         goto read_again;
 270                 }
 271         }
 272
 273         return err;
 274 }
 275
 276 /**
 277  * dump_reg() - dump the register content of TVP5146/47.
 278  * @sd: ptr to v4l2_subdev struct
 279  * @reg: TVP5146/47 register address
 280  */
 281 static void dump_reg(struct v4l2_subdev *sd, u8 reg)
 282 {
 283         u32 val;
 284
 285         val = tvp514x_read_reg(sd, reg);
 286         v4l2_info(sd, "Reg(0x%.2X): 0x%.2X\n", reg, val);
 287 }
 288
 289 /**
 290  * tvp514x_write_reg() - Write a value to a register in TVP5146/47
 291  * @sd: ptr to v4l2_subdev struct
 292  * @reg: TVP5146/47 register address
 293  * @val: value to be written to the register
 294  *
 295  * Write a value to a register in an TVP5146/47 decoder device.
 296  * Returns zero if successful, or non-zero otherwise.
 297  */
 298 static int tvp514x_write_reg(struct v4l2_subdev *sd, u8 reg, u8 val)
 299 {
 300         int err, retry = 0;
 301         struct i2c_client *client = v4l2_get_subdevdata(sd);
 302
 303 write_again:
 304
 305         err = i2c_smbus_write_byte_data(client, reg, val);
 306         if (err) {
 307                 if (retry <= I2C_RETRY_COUNT) {
 308                         v4l2_warn(sd, "Write: retry ... %d\n", retry);
 309                         retry++;
 310                         msleep_interruptible(10);
 311                         goto write_again;
 312                 }
 313         }
 314
 315         return err;
 316 }
 317
 318 /**
 319  * tvp514x_write_regs() : Initializes a list of TVP5146/47 registers
 320  * @sd: ptr to v4l2_subdev struct
 321  * @reglist: list of TVP5146/47 registers and values
 322  *
 323  * Initializes a list of TVP5146/47 registers:-
 324  *              if token is TOK_TERM, then entire write operation terminates
 325  *              if token is TOK_DELAY, then a delay of 'val' msec is introduced
 326  *              if token is TOK_SKIP, then the register write is skipped
 327  *              if token is TOK_WRITE, then the register write is performed
 328  * Returns zero if successful, or non-zero otherwise.
 329  */
 330 static int tvp514x_write_regs(struct v4l2_subdev *sd,
 331                               const struct tvp514x_reg reglist[])
 332 {
 333         int err;
 334         const struct tvp514x_reg *next = reglist;
 335
 336         for (; next->token != TOK_TERM; next++) {
 337                 if (next->token == TOK_DELAY) {
 338                         msleep(next->val);
 339                         continue;
 340                 }
 341
 342                 if (next->token == TOK_SKIP)
 343                         continue;
 344
 345                 err = tvp514x_write_reg(sd, next->reg, (u8) next->val);
 346                 if (err) {
 347                         v4l2_err(sd, "Write failed. Err[%d]\n", err);
 348                         return err;
 349                 }
 350         }
 351         return 0;
 352 }
 353
 354 /**
 355  * tvp514x_query_current_std() : Query the current standard detected by TVP5146/47
 356  * @sd: ptr to v4l2_subdev struct
 357  *
 358  * Returns the current standard detected by TVP5146/47, STD_INVALID if there is no
 359  * standard detected.
 360  */
 361 static enum tvp514x_std tvp514x_query_current_std(struct v4l2_subdev *sd)
 362 {
 363         u8 std, std_status;
 364
 365         std = tvp514x_read_reg(sd, REG_VIDEO_STD);
 366         if ((std & VIDEO_STD_MASK) == VIDEO_STD_AUTO_SWITCH_BIT)
 367                 /* use the standard status register */
 368                 std_status = tvp514x_read_reg(sd, REG_VIDEO_STD_STATUS);
 369         else
 370                 /* use the standard register itself */
 371                 std_status = std;
 372
 373         switch (std_status & VIDEO_STD_MASK) {
 374         case VIDEO_STD_NTSC_MJ_BIT:
 375                 return STD_NTSC_MJ;
 376
 377         case VIDEO_STD_PAL_BDGHIN_BIT:
 378                 return STD_PAL_BDGHIN;
 379
 380         default:
 381                 return STD_INVALID;
 382         }
 383
 384         return STD_INVALID;
 385 }
 386
 387 /* TVP5146/47 register dump function */
 388 static void tvp514x_reg_dump(struct v4l2_subdev *sd)
 389 {
 390         dump_reg(sd, REG_INPUT_SEL);
 391         dump_reg(sd, REG_AFE_GAIN_CTRL);
 392         dump_reg(sd, REG_VIDEO_STD);
 393         dump_reg(sd, REG_OPERATION_MODE);
 394         dump_reg(sd, REG_COLOR_KILLER);
 395         dump_reg(sd, REG_LUMA_CONTROL1);
 396         dump_reg(sd, REG_LUMA_CONTROL2);
 397         dump_reg(sd, REG_LUMA_CONTROL3);
 398         dump_reg(sd, REG_BRIGHTNESS);
 399         dump_reg(sd, REG_CONTRAST);
 400         dump_reg(sd, REG_SATURATION);
 401         dump_reg(sd, REG_HUE);
 402         dump_reg(sd, REG_CHROMA_CONTROL1);
 403         dump_reg(sd, REG_CHROMA_CONTROL2);
 404         dump_reg(sd, REG_COMP_PR_SATURATION);
 405         dump_reg(sd, REG_COMP_Y_CONTRAST);
 406         dump_reg(sd, REG_COMP_PB_SATURATION);
 407         dump_reg(sd, REG_COMP_Y_BRIGHTNESS);
 408         dump_reg(sd, REG_AVID_START_PIXEL_LSB);
 409         dump_reg(sd, REG_AVID_START_PIXEL_MSB);
 410         dump_reg(sd, REG_AVID_STOP_PIXEL_LSB);
 411         dump_reg(sd, REG_AVID_STOP_PIXEL_MSB);
 412         dump_reg(sd, REG_HSYNC_START_PIXEL_LSB);
 413         dump_reg(sd, REG_HSYNC_START_PIXEL_MSB);
 414         dump_reg(sd, REG_HSYNC_STOP_PIXEL_LSB);
 415         dump_reg(sd, REG_HSYNC_STOP_PIXEL_MSB);
 416         dump_reg(sd, REG_VSYNC_START_LINE_LSB);
 417         dump_reg(sd, REG_VSYNC_START_LINE_MSB);
 418         dump_reg(sd, REG_VSYNC_STOP_LINE_LSB);
 419         dump_reg(sd, REG_VSYNC_STOP_LINE_MSB);
 420         dump_reg(sd, REG_VBLK_START_LINE_LSB);
 421         dump_reg(sd, REG_VBLK_START_LINE_MSB);
 422         dump_reg(sd, REG_VBLK_STOP_LINE_LSB);
 423         dump_reg(sd, REG_VBLK_STOP_LINE_MSB);
 424         dump_reg(sd, REG_SYNC_CONTROL);
 425         dump_reg(sd, REG_OUTPUT_FORMATTER1);
 426         dump_reg(sd, REG_OUTPUT_FORMATTER2);
 427         dump_reg(sd, REG_OUTPUT_FORMATTER3);
 428         dump_reg(sd, REG_OUTPUT_FORMATTER4);
 429         dump_reg(sd, REG_OUTPUT_FORMATTER5);
 430         dump_reg(sd, REG_OUTPUT_FORMATTER6);
 431         dump_reg(sd, REG_CLEAR_LOST_LOCK);
 432 }
 433
 434 /**
 435  * tvp514x_configure() - Configure the TVP5146/47 registers
 436  * @sd: ptr to v4l2_subdev struct
 437  * @decoder: ptr to tvp514x_decoder structure
 438  *
 439  * Returns zero if successful, or non-zero otherwise.
 440  */
 441 static int tvp514x_configure(struct v4l2_subdev *sd,
 442                 struct tvp514x_decoder *decoder)
 443 {
 444         int err;
 445
 446         /* common register initialization */
 447         err =
 448             tvp514x_write_regs(sd, decoder->tvp514x_regs);
 449         if (err)
 450                 return err;
 451
 452         if (debug)
 453                 tvp514x_reg_dump(sd);
 454
 455         return 0;
 456 }
 457
 458 /**
 459  * tvp514x_detect() - Detect if an tvp514x is present, and if so which revision.
 460  * @sd: pointer to standard V4L2 sub-device structure
 461  * @decoder: pointer to tvp514x_decoder structure
 462  *
 463  * A device is considered to be detected if the chip ID (LSB and MSB)
 464  * registers match the expected values.
 465  * Any value of the rom version register is accepted.
 466  * Returns ENODEV error number if no device is detected, or zero
 467  * if a device is detected.
 468  */
 469 static int tvp514x_detect(struct v4l2_subdev *sd,
 470                 struct tvp514x_decoder *decoder)
 471 {
 472         u8 chip_id_msb, chip_id_lsb, rom_ver;
 473         struct i2c_client *client = v4l2_get_subdevdata(sd);
 474
 475         chip_id_msb = tvp514x_read_reg(sd, REG_CHIP_ID_MSB);
 476         chip_id_lsb = tvp514x_read_reg(sd, REG_CHIP_ID_LSB);
 477         rom_ver = tvp514x_read_reg(sd, REG_ROM_VERSION);
 478
 479         v4l2_dbg(1, debug, sd,
 480                  "chip id detected msb:0x%x lsb:0x%x rom version:0x%x\n",
 481                  chip_id_msb, chip_id_lsb, rom_ver);
 482         if ((chip_id_msb != TVP514X_CHIP_ID_MSB)
 483                 || ((chip_id_lsb != TVP5146_CHIP_ID_LSB)
 484                 && (chip_id_lsb != TVP5147_CHIP_ID_LSB))) {
 485                 /* We didn't read the values we expected, so this must not be
 486                  * an TVP5146/47.
 487                  */
 488                 v4l2_err(sd, "chip id mismatch msb:0x%x lsb:0x%x\n",
 489                                 chip_id_msb, chip_id_lsb);
 490                 return -ENODEV;
 491         }
 492
 493         decoder->ver = rom_ver;
 494
 495         v4l2_info(sd, "%s (Version - 0x%.2x) found at 0x%x (%s)\n",
 496                         client->name, decoder->ver,
 497                         client->addr << 1, client->adapter->name);
 498         return 0;
 499 }
 500
 501 /**
 502  * tvp514x_querystd() - V4L2 decoder interface handler for querystd
 503  * @sd: pointer to standard V4L2 sub-device structure
 504  * @std_id: standard V4L2 std_id ioctl enum
 505  *
 506  * Returns the current standard detected by TVP5146/47. If no active input is
 507  * detected then *std_id is set to 0 and the function returns 0.
 508  */
 509 static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
 510 {
 511         struct tvp514x_decoder *decoder = to_decoder(sd);
 512         enum tvp514x_std current_std;
 513         enum tvp514x_input input_sel;
 514         u8 sync_lock_status, lock_mask;
 515
 516         if (std_id == NULL)
 517                 return -EINVAL;
 518
 519         *std_id = V4L2_STD_UNKNOWN;
 520
 521         /* query the current standard */
 522         current_std = tvp514x_query_current_std(sd);
 523         if (current_std == STD_INVALID)
 524                 return 0;
 525
 526         input_sel = decoder->input;
 527
 528         switch (input_sel) {
 529         case INPUT_CVBS_VI1A:
 530         case INPUT_CVBS_VI1B:
 531         case INPUT_CVBS_VI1C:
 532         case INPUT_CVBS_VI2A:
 533         case INPUT_CVBS_VI2B:
 534         case INPUT_CVBS_VI2C:
 535         case INPUT_CVBS_VI3A:
 536         case INPUT_CVBS_VI3B:
 537         case INPUT_CVBS_VI3C:
 538         case INPUT_CVBS_VI4A:
 539                 lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT |
 540                         STATUS_HORZ_SYNC_LOCK_BIT |
 541                         STATUS_VIRT_SYNC_LOCK_BIT;
 542                 break;
 543
 544         case INPUT_SVIDEO_VI2A_VI1A:
 545         case INPUT_SVIDEO_VI2B_VI1B:
 546         case INPUT_SVIDEO_VI2C_VI1C:
 547         case INPUT_SVIDEO_VI2A_VI3A:
 548         case INPUT_SVIDEO_VI2B_VI3B:
 549         case INPUT_SVIDEO_VI2C_VI3C:
 550         case INPUT_SVIDEO_VI4A_VI1A:
 551         case INPUT_SVIDEO_VI4A_VI1B:
 552         case INPUT_SVIDEO_VI4A_VI1C:
 553         case INPUT_SVIDEO_VI4A_VI3A:
 554         case INPUT_SVIDEO_VI4A_VI3B:
 555         case INPUT_SVIDEO_VI4A_VI3C:
 556                 lock_mask = STATUS_HORZ_SYNC_LOCK_BIT |
 557                         STATUS_VIRT_SYNC_LOCK_BIT;
 558                 break;
 559                 /*Need to add other interfaces*/
 560         default:
 561                 return -EINVAL;
 562         }
 563         /* check whether signal is locked */
 564         sync_lock_status = tvp514x_read_reg(sd, REG_STATUS1);
 565         if (lock_mask != (sync_lock_status & lock_mask))
 566                 return 0;       /* No input detected */
 567
 568         *std_id = decoder->std_list[current_std].standard.id;
 569
 570         v4l2_dbg(1, debug, sd, "Current STD: %s\n",
 571                         decoder->std_list[current_std].standard.name);
 572         return 0;
 573 }
 574
 575 /**
 576  * tvp514x_s_std() - V4L2 decoder interface handler for s_std
 577  * @sd: pointer to standard V4L2 sub-device structure
 578  * @std_id: standard V4L2 v4l2_std_id ioctl enum
 579  *
 580  * If std_id is supported, sets the requested standard. Otherwise, returns
 581  * -EINVAL
 582  */
 583 static int tvp514x_s_std(struct v4l2_subdev *sd, v4l2_std_id std_id)
 584 {
 585         struct tvp514x_decoder *decoder = to_decoder(sd);
 586         int err, i;
 587
 588         for (i = 0; i < decoder->num_stds; i++)
 589                 if (std_id & decoder->std_list[i].standard.id)
 590                         break;
 591
 592         if ((i == decoder->num_stds) || (i == STD_INVALID))
 593                 return -EINVAL;
 594
 595         err = tvp514x_write_reg(sd, REG_VIDEO_STD,
 596                                 decoder->std_list[i].video_std);
 597         if (err)
 598                 return err;
 599
 600         decoder->current_std = i;
 601         decoder->tvp514x_regs[REG_VIDEO_STD].val =
 602                 decoder->std_list[i].video_std;
 603
 604         v4l2_dbg(1, debug, sd, "Standard set to: %s\n",
 605                         decoder->std_list[i].standard.name);
 606         return 0;
 607 }
 608
 609 /**
 610  * tvp514x_s_routing() - V4L2 decoder interface handler for s_routing
 611  * @sd: pointer to standard V4L2 sub-device structure
 612  * @input: input selector for routing the signal
 613  * @output: output selector for routing the signal
 614  * @config: config value. Not used
 615  *
 616  * If index is valid, selects the requested input. Otherwise, returns -EINVAL if
 617  * the input is not supported or there is no active signal present in the
 618  * selected input.
 619  */
 620 static int tvp514x_s_routing(struct v4l2_subdev *sd,
 621                                 u32 input, u32 output, u32 config)
 622 {
 623         struct tvp514x_decoder *decoder = to_decoder(sd);
 624         int err;
 625         enum tvp514x_input input_sel;
 626         enum tvp514x_output output_sel;
 627         u8 sync_lock_status, lock_mask;
 628         int try_count = LOCK_RETRY_COUNT;
 629
 630         if ((input >= INPUT_INVALID) ||
 631                         (output >= OUTPUT_INVALID))
 632                 /* Index out of bound */
 633                 return -EINVAL;
 634
 635         /*
 636          * For the sequence streamon -> streamoff and again s_input
 637          * it fails to lock the signal, since streamoff puts TVP514x
 638          * into power off state which leads to failure in sub-sequent s_input.
 639          *
 640          * So power up the TVP514x device here, since it is important to lock
 641          * the signal at this stage.
 642          */
 643         if (!decoder->streaming)
 644                 tvp514x_s_stream(sd, 1);
 645
 646         input_sel = input;
 647         output_sel = output;
 648
 649         err = tvp514x_write_reg(sd, REG_INPUT_SEL, input_sel);
 650         if (err)
 651                 return err;
 652
 653         output_sel |= tvp514x_read_reg(sd,
 654                         REG_OUTPUT_FORMATTER1) & 0x7;
 655         err = tvp514x_write_reg(sd, REG_OUTPUT_FORMATTER1,
 656                         output_sel);
 657         if (err)
 658                 return err;
 659
 660         decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel;
 661         decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel;
 662
 663         /* Clear status */
 664         msleep(LOCK_RETRY_DELAY);
 665         err =
 666             tvp514x_write_reg(sd, REG_CLEAR_LOST_LOCK, 0x01);
 667         if (err)
 668                 return err;
 669
 670         switch (input_sel) {
 671         case INPUT_CVBS_VI1A:
 672         case INPUT_CVBS_VI1B:
 673         case INPUT_CVBS_VI1C:
 674         case INPUT_CVBS_VI2A:
 675         case INPUT_CVBS_VI2B:
 676         case INPUT_CVBS_VI2C:
 677         case INPUT_CVBS_VI3A:
 678         case INPUT_CVBS_VI3B:
 679         case INPUT_CVBS_VI3C:
 680         case INPUT_CVBS_VI4A:
 681                 lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT |
 682                         STATUS_HORZ_SYNC_LOCK_BIT |
 683                         STATUS_VIRT_SYNC_LOCK_BIT;
 684                 break;
 685
 686         case INPUT_SVIDEO_VI2A_VI1A:
 687         case INPUT_SVIDEO_VI2B_VI1B:
 688         case INPUT_SVIDEO_VI2C_VI1C:
 689         case INPUT_SVIDEO_VI2A_VI3A:
 690         case INPUT_SVIDEO_VI2B_VI3B:
 691         case INPUT_SVIDEO_VI2C_VI3C:
 692         case INPUT_SVIDEO_VI4A_VI1A:
 693         case INPUT_SVIDEO_VI4A_VI1B:
 694         case INPUT_SVIDEO_VI4A_VI1C:
 695         case INPUT_SVIDEO_VI4A_VI3A:
 696         case INPUT_SVIDEO_VI4A_VI3B:
 697         case INPUT_SVIDEO_VI4A_VI3C:
 698                 lock_mask = STATUS_HORZ_SYNC_LOCK_BIT |
 699                         STATUS_VIRT_SYNC_LOCK_BIT;
 700                 break;
 701         /* Need to add other interfaces*/
 702         default:
 703                 return -EINVAL;
 704         }
 705
 706         while (try_count-- > 0) {
 707                 /* Allow decoder to sync up with new input */
 708                 msleep(LOCK_RETRY_DELAY);
 709
 710                 sync_lock_status = tvp514x_read_reg(sd,
 711                                 REG_STATUS1);
 712                 if (lock_mask == (sync_lock_status & lock_mask))
 713                         /* Input detected */
 714                         break;
 715         }
 716
 717         if (try_count < 0)
 718                 return -EINVAL;
 719
 720         decoder->input = input;
 721         decoder->output = output;
 722
 723         v4l2_dbg(1, debug, sd, "Input set to: %d\n", input_sel);
 724
 725         return 0;
 726 }
 727
 728 /**
 729  * tvp514x_s_ctrl() - V4L2 decoder interface handler for s_ctrl
 730  * @ctrl: pointer to v4l2_ctrl structure
 731  *
 732  * If the requested control is supported, sets the control's current
 733  * value in HW. Otherwise, returns -EINVAL if the control is not supported.
 734  */
 735 static int tvp514x_s_ctrl(struct v4l2_ctrl *ctrl)
 736 {
 737         struct v4l2_subdev *sd = to_sd(ctrl);
 738         struct tvp514x_decoder *decoder = to_decoder(sd);
 739         int err = -EINVAL, value;
 740
 741         value = ctrl->val;
 742
 743         switch (ctrl->id) {
 744         case V4L2_CID_BRIGHTNESS:
 745                 err = tvp514x_write_reg(sd, REG_BRIGHTNESS, value);
 746                 if (!err)
 747                         decoder->tvp514x_regs[REG_BRIGHTNESS].val = value;
 748                 break;
 749         case V4L2_CID_CONTRAST:
 750                 err = tvp514x_write_reg(sd, REG_CONTRAST, value);
 751                 if (!err)
 752                         decoder->tvp514x_regs[REG_CONTRAST].val = value;
 753                 break;
 754         case V4L2_CID_SATURATION:
 755                 err = tvp514x_write_reg(sd, REG_SATURATION, value);
 756                 if (!err)
 757                         decoder->tvp514x_regs[REG_SATURATION].val = value;
 758                 break;
 759         case V4L2_CID_HUE:
 760                 if (value == 180)
 761                         value = 0x7F;
 762                 else if (value == -180)
 763                         value = 0x80;
 764                 err = tvp514x_write_reg(sd, REG_HUE, value);
 765                 if (!err)
 766                         decoder->tvp514x_regs[REG_HUE].val = value;
 767                 break;
 768         case V4L2_CID_AUTOGAIN:
 769                 err = tvp514x_write_reg(sd, REG_AFE_GAIN_CTRL, value ? 0x0f : 0x0c);
 770                 if (!err)
 771                         decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value;
 772                 break;
 773         }
 774
 775         v4l2_dbg(1, debug, sd, "Set Control: ID - %d - %d\n",
 776                         ctrl->id, ctrl->val);
 777         return err;
 778 }
 779
 780 /**
 781  * tvp514x_enum_mbus_fmt() - V4L2 decoder interface handler for enum_mbus_fmt
 782  * @sd: pointer to standard V4L2 sub-device structure
 783  * @index: index of pixelcode to retrieve
 784  * @code: receives the pixelcode
 785  *
 786  * Enumerates supported mediabus formats
 787  */
 788 static int
 789 tvp514x_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,
 790                                         enum v4l2_mbus_pixelcode *code)
 791 {
 792         if (index)
 793                 return -EINVAL;
 794
 795         *code = V4L2_MBUS_FMT_YUYV10_2X10;
 796         return 0;
 797 }
 798
 799 /**
 800  * tvp514x_mbus_fmt_cap() - V4L2 decoder interface handler for try/s/g_mbus_fmt
 801  * @sd: pointer to standard V4L2 sub-device structure
 802  * @f: pointer to the mediabus format structure
 803  *
 804  * Negotiates the image capture size and mediabus format.
 805  */
 806 static int
 807 tvp514x_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *f)
 808 {
 809         struct tvp514x_decoder *decoder = to_decoder(sd);
 810         enum tvp514x_std current_std;
 811
 812         if (f == NULL)
 813                 return -EINVAL;
 814
 815         /* Calculate height and width based on current standard */
 816         current_std = decoder->current_std;
 817
 818         f->code = V4L2_MBUS_FMT_YUYV10_2X10;
 819         f->width = decoder->std_list[current_std].width;
 820         f->height = decoder->std_list[current_std].height;
 821         f->field = V4L2_FIELD_INTERLACED;
 822         f->colorspace = V4L2_COLORSPACE_SMPTE170M;
 823
 824         v4l2_dbg(1, debug, sd, "MBUS_FMT: Width - %d, Height - %d\n",
 825                         f->width, f->height);
 826         return 0;
 827 }
 828
 829 /**
 830  * tvp514x_g_parm() - V4L2 decoder interface handler for g_parm
 831  * @sd: pointer to standard V4L2 sub-device structure
 832  * @a: pointer to standard V4L2 VIDIOC_G_PARM ioctl structure
 833  *
 834  * Returns the decoder's video CAPTURE parameters.
 835  */
 836 static int
 837 tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
 838 {
 839         struct tvp514x_decoder *decoder = to_decoder(sd);
 840         struct v4l2_captureparm *cparm;
 841         enum tvp514x_std current_std;
 842
 843         if (a == NULL)
 844                 return -EINVAL;
 845
 846         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 847                 /* only capture is supported */
 848                 return -EINVAL;
 849
 850         /* get the current standard */
 851         current_std = decoder->current_std;
 852
 853         cparm = &a->parm.capture;
 854         cparm->capability = V4L2_CAP_TIMEPERFRAME;
 855         cparm->timeperframe =
 856                 decoder->std_list[current_std].standard.frameperiod;
 857
 858         return 0;
 859 }
 860
 861 /**
 862  * tvp514x_s_parm() - V4L2 decoder interface handler for s_parm
 863  * @sd: pointer to standard V4L2 sub-device structure
 864  * @a: pointer to standard V4L2 VIDIOC_S_PARM ioctl structure
 865  *
 866  * Configures the decoder to use the input parameters, if possible. If
 867  * not possible, returns the appropriate error code.
 868  */
 869 static int
 870 tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
 871 {
 872         struct tvp514x_decoder *decoder = to_decoder(sd);
 873         struct v4l2_fract *timeperframe;
 874         enum tvp514x_std current_std;
 875
 876         if (a == NULL)
 877                 return -EINVAL;
 878
 879         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 880                 /* only capture is supported */
 881                 return -EINVAL;
 882
 883         timeperframe = &a->parm.capture.timeperframe;
 884
 885         /* get the current standard */
 886         current_std = decoder->current_std;
 887
 888         *timeperframe =
 889             decoder->std_list[current_std].standard.frameperiod;
 890
 891         return 0;
 892 }
 893
 894 /**
 895  * tvp514x_s_stream() - V4L2 decoder i/f handler for s_stream
 896  * @sd: pointer to standard V4L2 sub-device structure
 897  * @enable: streaming enable or disable
 898  *
 899  * Sets streaming to enable or disable, if possible.
 900  */
 901 static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable)
 902 {
 903         int err = 0;
 904         struct i2c_client *client = v4l2_get_subdevdata(sd);
 905         struct tvp514x_decoder *decoder = to_decoder(sd);
 906
 907         if (decoder->streaming == enable)
 908                 return 0;
 909
 910         switch (enable) {
 911         case 0:
 912         {
 913                 /* Power Down Sequence */
 914                 err = tvp514x_write_reg(sd, REG_OPERATION_MODE, 0x01);
 915                 if (err) {
 916                         v4l2_err(sd, "Unable to turn off decoder\n");
 917                         return err;
 918                 }
 919                 decoder->streaming = enable;
 920                 break;
 921         }
 922         case 1:
 923         {
 924                 struct tvp514x_reg *int_seq = (struct tvp514x_reg *)
 925                                 client->driver->id_table->driver_data;
 926
 927                 /* Power Up Sequence */
 928                 err = tvp514x_write_regs(sd, int_seq);
 929                 if (err) {
 930                         v4l2_err(sd, "Unable to turn on decoder\n");
 931                         return err;
 932                 }
 933                 /* Detect if not already detected */
 934                 err = tvp514x_detect(sd, decoder);
 935                 if (err) {
 936                         v4l2_err(sd, "Unable to detect decoder\n");
 937                         return err;
 938                 }
 939                 err = tvp514x_configure(sd, decoder);
 940                 if (err) {
 941                         v4l2_err(sd, "Unable to configure decoder\n");
 942                         return err;
 943                 }
 944                 decoder->streaming = enable;
 945                 break;
 946         }
 947         default:
 948                 err = -ENODEV;
 949                 break;
 950         }
 951
 952         return err;
 953 }
 954
 955 static const struct v4l2_ctrl_ops tvp514x_ctrl_ops = {
 956         .s_ctrl = tvp514x_s_ctrl,
 957 };
 958
 959 static const struct v4l2_subdev_core_ops tvp514x_core_ops = {
 960         .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
 961         .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
 962         .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
 963         .g_ctrl = v4l2_subdev_g_ctrl,
 964         .s_ctrl = v4l2_subdev_s_ctrl,
 965         .queryctrl = v4l2_subdev_queryctrl,
 966         .querymenu = v4l2_subdev_querymenu,
 967         .s_std = tvp514x_s_std,
 968 };
 969
 970 static const struct v4l2_subdev_video_ops tvp514x_video_ops = {
 971         .s_routing = tvp514x_s_routing,
 972         .querystd = tvp514x_querystd,
 973         .enum_mbus_fmt = tvp514x_enum_mbus_fmt,
 974         .g_mbus_fmt = tvp514x_mbus_fmt,
 975         .try_mbus_fmt = tvp514x_mbus_fmt,
 976         .s_mbus_fmt = tvp514x_mbus_fmt,
 977         .g_parm = tvp514x_g_parm,
 978         .s_parm = tvp514x_s_parm,
 979         .s_stream = tvp514x_s_stream,
 980 };
 981
 982 static const struct v4l2_subdev_ops tvp514x_ops = {
 983         .core = &tvp514x_core_ops,
 984         .video = &tvp514x_video_ops,
 985 };
 986
 987 static struct tvp514x_decoder tvp514x_dev = {
 988         .streaming = 0,
 989         .current_std = STD_NTSC_MJ,
 990         .std_list = tvp514x_std_list,
 991         .num_stds = ARRAY_SIZE(tvp514x_std_list),
 992
 993 };
 994
 995 /**
 996  * tvp514x_probe() - decoder driver i2c probe handler
 997  * @client: i2c driver client device structure
 998  * @id: i2c driver id table
 999  *
1000  * Register decoder as an i2c client device and V4L2
1001  * device.
1002  */
1003 static int
1004 tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id)
1005 {
1006         struct tvp514x_decoder *decoder;
1007         struct v4l2_subdev *sd;
1008
1009         /* Check if the adapter supports the needed features */
1010         if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1011                 return -EIO;
1012
1013         if (!client->dev.platform_data) {
1014                 v4l2_err(client, "No platform data!!\n");
1015                 return -ENODEV;
1016         }
1017
1018         decoder = kzalloc(sizeof(*decoder), GFP_KERNEL);
1019         if (!decoder)
1020                 return -ENOMEM;
1021
1022         /* Initialize the tvp514x_decoder with default configuration */
1023         *decoder = tvp514x_dev;
1024         /* Copy default register configuration */
1025         memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default,
1026                         sizeof(tvp514x_reg_list_default));
1027
1028         /* Copy board specific information here */
1029         decoder->pdata = client->dev.platform_data;
1030
1031         /**
1032          * Fetch platform specific data, and configure the
1033          * tvp514x_reg_list[] accordingly. Since this is one
1034          * time configuration, no need to preserve.
1035          */
1036         decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |=
1037                 (decoder->pdata->clk_polarity << 1);
1038         decoder->tvp514x_regs[REG_SYNC_CONTROL].val |=
1039                 ((decoder->pdata->hs_polarity << 2) |
1040                  (decoder->pdata->vs_polarity << 3));
1041         /* Set default standard to auto */
1042         decoder->tvp514x_regs[REG_VIDEO_STD].val =
1043                 VIDEO_STD_AUTO_SWITCH_BIT;
1044
1045         /* Register with V4L2 layer as slave device */
1046         sd = &decoder->sd;
1047         v4l2_i2c_subdev_init(sd, client, &tvp514x_ops);
1048
1049         v4l2_ctrl_handler_init(&decoder->hdl, 5);
1050         v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1051                 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1052         v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1053                 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1054         v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1055                 V4L2_CID_SATURATION, 0, 255, 1, 128);
1056         v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1057                 V4L2_CID_HUE, -180, 180, 180, 0);
1058         v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1059                 V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
1060         sd->ctrl_handler = &decoder->hdl;
1061         if (decoder->hdl.error) {
1062                 int err = decoder->hdl.error;
1063
1064                 v4l2_ctrl_handler_free(&decoder->hdl);
1065                 kfree(decoder);
1066                 return err;
1067         }
1068         v4l2_ctrl_handler_setup(&decoder->hdl);
1069
1070         v4l2_info(sd, "%s decoder driver registered !!\n", sd->name);
1071
1072         return 0;
1073
1074 }
1075
1076 /**
1077  * tvp514x_remove() - decoder driver i2c remove handler
1078  * @client: i2c driver client device structure
1079  *
1080  * Unregister decoder as an i2c client device and V4L2
1081  * device. Complement of tvp514x_probe().
1082  */
1083 static int tvp514x_remove(struct i2c_client *client)
1084 {
1085         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1086         struct tvp514x_decoder *decoder = to_decoder(sd);
1087
1088         v4l2_device_unregister_subdev(sd);
1089         v4l2_ctrl_handler_free(&decoder->hdl);
1090         kfree(decoder);
1091         return 0;
1092 }
1093 /* TVP5146 Init/Power on Sequence */
1094 static const struct tvp514x_reg tvp5146_init_reg_seq[] = {
1095         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02},
1096         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1097         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80},
1098         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1099         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
1100         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1101         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
1102         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1103         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00},
1104         {TOK_WRITE, REG_OPERATION_MODE, 0x01},
1105         {TOK_WRITE, REG_OPERATION_MODE, 0x00},
1106         {TOK_TERM, 0, 0},
1107 };
1108
1109 /* TVP5147 Init/Power on Sequence */
1110 static const struct tvp514x_reg tvp5147_init_reg_seq[] =        {
1111         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02},
1112         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1113         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80},
1114         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1115         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
1116         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1117         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
1118         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1119         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x16},
1120         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1121         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xA0},
1122         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x16},
1123         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
1124         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1125         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
1126         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00},
1127         {TOK_WRITE, REG_OPERATION_MODE, 0x01},
1128         {TOK_WRITE, REG_OPERATION_MODE, 0x00},
1129         {TOK_TERM, 0, 0},
1130 };
1131
1132 /* TVP5146M2/TVP5147M1 Init/Power on Sequence */
1133 static const struct tvp514x_reg tvp514xm_init_reg_seq[] = {
1134         {TOK_WRITE, REG_OPERATION_MODE, 0x01},
1135         {TOK_WRITE, REG_OPERATION_MODE, 0x00},
1136         {TOK_TERM, 0, 0},
1137 };
1138
1139 /**
1140  * I2C Device Table -
1141  *
1142  * name - Name of the actual device/chip.
1143  * driver_data - Driver data
1144  */
1145 static const struct i2c_device_id tvp514x_id[] = {
1146         {"tvp5146", (unsigned long)tvp5146_init_reg_seq},
1147         {"tvp5146m2", (unsigned long)tvp514xm_init_reg_seq},
1148         {"tvp5147", (unsigned long)tvp5147_init_reg_seq},
1149         {"tvp5147m1", (unsigned long)tvp514xm_init_reg_seq},
1150         {},
1151 };
1152
1153 MODULE_DEVICE_TABLE(i2c, tvp514x_id);
1154
1155 static struct i2c_driver tvp514x_driver = {
1156         .driver = {
1157                 .owner = THIS_MODULE,
1158                 .name = TVP514X_MODULE_NAME,
1159         },
1160         .probe = tvp514x_probe,
1161         .remove = tvp514x_remove,
1162         .id_table = tvp514x_id,
1163 };
1164
1165 static int __init tvp514x_init(void)
1166 {
1167         return i2c_add_driver(&tvp514x_driver);
1168 }
1169
1170 static void __exit tvp514x_exit(void)
1171 {
1172         i2c_del_driver(&tvp514x_driver);
1173 }
1174
1175 module_init(tvp514x_init);
1176 module_exit(tvp514x_exit);