drivers/media/i2c/tvp514x.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * drivers/media/i2c/tvp514x.c
   4  *
   5  * TI TVP5146/47 decoder driver
   6  *
   7  * Copyright (C) 2008 Texas Instruments Inc
   8  * Author: Vaibhav Hiremath <hvaibhav@ti.com>
   9  *
  10  * Contributors:
  11  *     Sivaraj R <sivaraj@ti.com>
  12  *     Brijesh R Jadav <brijesh.j@ti.com>
  13  *     Hardik Shah <hardik.shah@ti.com>
  14  *     Manjunath Hadli <mrh@ti.com>
  15  *     Karicheri Muralidharan <m-karicheri2@ti.com>
  16  *     Prabhakar Lad <prabhakar.lad@ti.com>
  17  */
  18
  19 #include <linux/delay.h>
  20 #include <linux/i2c.h>
  21 #include <linux/mod_devicetable.h>
  22 #include <linux/module.h>
  23 #include <linux/of.h>
  24 #include <linux/of_graph.h>
  25 #include <linux/slab.h>
  26 #include <linux/v4l2-mediabus.h>
  27 #include <linux/videodev2.h>
  28
  29 #include <media/i2c/tvp514x.h>
  30 #include <media/media-entity.h>
  31 #include <media/v4l2-async.h>
  32 #include <media/v4l2-common.h>
  33 #include <media/v4l2-ctrls.h>
  34 #include <media/v4l2-device.h>
  35 #include <media/v4l2-fwnode.h>
  36 #include <media/v4l2-mediabus.h>
  37
  38 #include "tvp514x_regs.h"
  39
  40 /* Private macros for TVP */
  41 #define I2C_RETRY_COUNT                 (5)
  42 #define LOCK_RETRY_COUNT                (5)
  43 #define LOCK_RETRY_DELAY                (200)
  44
  45 /* Debug functions */
  46 static bool debug;
  47 module_param(debug, bool, 0644);
  48 MODULE_PARM_DESC(debug, "Debug level (0-1)");
  49
  50 MODULE_AUTHOR("Texas Instruments");
  51 MODULE_DESCRIPTION("TVP514X linux decoder driver");
  52 MODULE_LICENSE("GPL");
  53
  54 /* enum tvp514x_std - enum for supported standards */
  55 enum tvp514x_std {
  56         STD_NTSC_MJ = 0,
  57         STD_PAL_BDGHIN,
  58         STD_INVALID
  59 };
  60
  61 /**
  62  * struct tvp514x_std_info - Structure to store standard information
  63  * @width: Line width in pixels
  64  * @height:Number of active lines
  65  * @video_std: Value to write in REG_VIDEO_STD register
  66  * @standard: v4l2 standard structure information
  67  */
  68 struct tvp514x_std_info {
  69         unsigned long width;
  70         unsigned long height;
  71         u8 video_std;
  72         struct v4l2_standard standard;
  73 };
  74
  75 static struct tvp514x_reg tvp514x_reg_list_default[0x40];
  76
  77 static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable);
  78 /**
  79  * struct tvp514x_decoder - TVP5146/47 decoder object
  80  * @sd: Subdevice Slave handle
  81  * @hdl: embedded &struct v4l2_ctrl_handler
  82  * @tvp514x_regs: copy of hw's regs with preset values.
  83  * @pdata: Board specific
  84  * @ver: Chip version
  85  * @streaming: TVP5146/47 decoder streaming - enabled or disabled.
  86  * @pix: Current pixel format
  87  * @num_fmts: Number of formats
  88  * @fmt_list: Format list
  89  * @current_std: Current standard
  90  * @num_stds: Number of standards
  91  * @std_list: Standards list
  92  * @input: Input routing at chip level
  93  * @output: Output routing at chip level
  94  * @pad: subdev media pad associated with the decoder
  95  * @format: media bus frame format
  96  * @int_seq: driver's register init sequence
  97  */
  98 struct tvp514x_decoder {
  99         struct v4l2_subdev sd;
 100         struct v4l2_ctrl_handler hdl;
 101         struct tvp514x_reg tvp514x_regs[ARRAY_SIZE(tvp514x_reg_list_default)];
 102         const struct tvp514x_platform_data *pdata;
 103
 104         int ver;
 105         int streaming;
 106
 107         struct v4l2_pix_format pix;
 108         int num_fmts;
 109         const struct v4l2_fmtdesc *fmt_list;
 110
 111         enum tvp514x_std current_std;
 112         int num_stds;
 113         const struct tvp514x_std_info *std_list;
 114         /* Input and Output Routing parameters */
 115         u32 input;
 116         u32 output;
 117
 118         /* mc related members */
 119         struct media_pad pad;
 120         struct v4l2_mbus_framefmt format;
 121
 122         const struct tvp514x_reg *int_seq;
 123 };
 124
 125 /* TVP514x default register values */
 126 static struct tvp514x_reg tvp514x_reg_list_default[] = {
 127         /* Composite selected */
 128         {TOK_WRITE, REG_INPUT_SEL, 0x05},
 129         {TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F},
 130         /* Auto mode */
 131         {TOK_WRITE, REG_VIDEO_STD, 0x00},
 132         {TOK_WRITE, REG_OPERATION_MODE, 0x00},
 133         {TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F},
 134         {TOK_WRITE, REG_COLOR_KILLER, 0x10},
 135         {TOK_WRITE, REG_LUMA_CONTROL1, 0x00},
 136         {TOK_WRITE, REG_LUMA_CONTROL2, 0x00},
 137         {TOK_WRITE, REG_LUMA_CONTROL3, 0x02},
 138         {TOK_WRITE, REG_BRIGHTNESS, 0x80},
 139         {TOK_WRITE, REG_CONTRAST, 0x80},
 140         {TOK_WRITE, REG_SATURATION, 0x80},
 141         {TOK_WRITE, REG_HUE, 0x00},
 142         {TOK_WRITE, REG_CHROMA_CONTROL1, 0x00},
 143         {TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E},
 144         /* Reserved */
 145         {TOK_SKIP, 0x0F, 0x00},
 146         {TOK_WRITE, REG_COMP_PR_SATURATION, 0x80},
 147         {TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80},
 148         {TOK_WRITE, REG_COMP_PB_SATURATION, 0x80},
 149         /* Reserved */
 150         {TOK_SKIP, 0x13, 0x00},
 151         {TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80},
 152         /* Reserved */
 153         {TOK_SKIP, 0x15, 0x00},
 154         /* NTSC timing */
 155         {TOK_SKIP, REG_AVID_START_PIXEL_LSB, 0x55},
 156         {TOK_SKIP, REG_AVID_START_PIXEL_MSB, 0x00},
 157         {TOK_SKIP, REG_AVID_STOP_PIXEL_LSB, 0x25},
 158         {TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03},
 159         /* NTSC timing */
 160         {TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00},
 161         {TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00},
 162         {TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40},
 163         {TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00},
 164         /* NTSC timing */
 165         {TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04},
 166         {TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00},
 167         {TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07},
 168         {TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00},
 169         /* NTSC timing */
 170         {TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01},
 171         {TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00},
 172         {TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15},
 173         {TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00},
 174         /* Reserved */
 175         {TOK_SKIP, 0x26, 0x00},
 176         /* Reserved */
 177         {TOK_SKIP, 0x27, 0x00},
 178         {TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC},
 179         /* Reserved */
 180         {TOK_SKIP, 0x29, 0x00},
 181         {TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00},
 182         /* Reserved */
 183         {TOK_SKIP, 0x2B, 0x00},
 184         {TOK_SKIP, REG_SCART_DELAY, 0x00},
 185         {TOK_SKIP, REG_CTI_DELAY, 0x00},
 186         {TOK_SKIP, REG_CTI_CONTROL, 0x00},
 187         /* Reserved */
 188         {TOK_SKIP, 0x2F, 0x00},
 189         /* Reserved */
 190         {TOK_SKIP, 0x30, 0x00},
 191         /* Reserved */
 192         {TOK_SKIP, 0x31, 0x00},
 193         /* HS, VS active high */
 194         {TOK_WRITE, REG_SYNC_CONTROL, 0x00},
 195         /* 10-bit BT.656 */
 196         {TOK_WRITE, REG_OUTPUT_FORMATTER1, 0x00},
 197         /* Enable clk & data */
 198         {TOK_WRITE, REG_OUTPUT_FORMATTER2, 0x11},
 199         /* Enable AVID & FLD */
 200         {TOK_WRITE, REG_OUTPUT_FORMATTER3, 0xEE},
 201         /* Enable VS & HS */
 202         {TOK_WRITE, REG_OUTPUT_FORMATTER4, 0xAF},
 203         {TOK_WRITE, REG_OUTPUT_FORMATTER5, 0xFF},
 204         {TOK_WRITE, REG_OUTPUT_FORMATTER6, 0xFF},
 205         /* Clear status */
 206         {TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01},
 207         {TOK_TERM, 0, 0},
 208 };
 209
 210 /*
 211  * List of image formats supported by TVP5146/47 decoder
 212  * Currently we are using 8 bit mode only, but can be
 213  * extended to 10/20 bit mode.
 214  */
 215 static const struct v4l2_fmtdesc tvp514x_fmt_list[] = {
 216         {
 217          .index         = 0,
 218          .type          = V4L2_BUF_TYPE_VIDEO_CAPTURE,
 219          .flags         = 0,
 220          .description   = "8-bit UYVY 4:2:2 Format",
 221          .pixelformat   = V4L2_PIX_FMT_UYVY,
 222         },
 223 };
 224
 225 /*
 226  * Supported standards -
 227  *
 228  * Currently supports two standards only, need to add support for rest of the
 229  * modes, like SECAM, etc...
 230  */
 231 static const struct tvp514x_std_info tvp514x_std_list[] = {
 232         /* Standard: STD_NTSC_MJ */
 233         [STD_NTSC_MJ] = {
 234          .width = NTSC_NUM_ACTIVE_PIXELS,
 235          .height = NTSC_NUM_ACTIVE_LINES,
 236          .video_std = VIDEO_STD_NTSC_MJ_BIT,
 237          .standard = {
 238                       .index = 0,
 239                       .id = V4L2_STD_NTSC,
 240                       .name = "NTSC",
 241                       .frameperiod = {1001, 30000},
 242                       .framelines = 525
 243                      },
 244         /* Standard: STD_PAL_BDGHIN */
 245         },
 246         [STD_PAL_BDGHIN] = {
 247          .width = PAL_NUM_ACTIVE_PIXELS,
 248          .height = PAL_NUM_ACTIVE_LINES,
 249          .video_std = VIDEO_STD_PAL_BDGHIN_BIT,
 250          .standard = {
 251                       .index = 1,
 252                       .id = V4L2_STD_PAL,
 253                       .name = "PAL",
 254                       .frameperiod = {1, 25},
 255                       .framelines = 625
 256                      },
 257         },
 258         /* Standard: need to add for additional standard */
 259 };
 260
 261
 262 static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd)
 263 {
 264         return container_of(sd, struct tvp514x_decoder, sd);
 265 }
 266
 267 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
 268 {
 269         return &container_of(ctrl->handler, struct tvp514x_decoder, hdl)->sd;
 270 }
 271
 272
 273 /**
 274  * tvp514x_read_reg() - Read a value from a register in an TVP5146/47.
 275  * @sd: ptr to v4l2_subdev struct
 276  * @reg: TVP5146/47 register address
 277  *
 278  * Returns value read if successful, or non-zero (-1) otherwise.
 279  */
 280 static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg)
 281 {
 282         int err, retry = 0;
 283         struct i2c_client *client = v4l2_get_subdevdata(sd);
 284
 285 read_again:
 286
 287         err = i2c_smbus_read_byte_data(client, reg);
 288         if (err < 0) {
 289                 if (retry <= I2C_RETRY_COUNT) {
 290                         v4l2_warn(sd, "Read: retry ... %d\n", retry);
 291                         retry++;
 292                         msleep_interruptible(10);
 293                         goto read_again;
 294                 }
 295         }
 296
 297         return err;
 298 }
 299
 300 /**
 301  * dump_reg() - dump the register content of TVP5146/47.
 302  * @sd: ptr to v4l2_subdev struct
 303  * @reg: TVP5146/47 register address
 304  */
 305 static void dump_reg(struct v4l2_subdev *sd, u8 reg)
 306 {
 307         u32 val;
 308
 309         val = tvp514x_read_reg(sd, reg);
 310         v4l2_info(sd, "Reg(0x%.2X): 0x%.2X\n", reg, val);
 311 }
 312
 313 /**
 314  * tvp514x_write_reg() - Write a value to a register in TVP5146/47
 315  * @sd: ptr to v4l2_subdev struct
 316  * @reg: TVP5146/47 register address
 317  * @val: value to be written to the register
 318  *
 319  * Write a value to a register in an TVP5146/47 decoder device.
 320  * Returns zero if successful, or non-zero otherwise.
 321  */
 322 static int tvp514x_write_reg(struct v4l2_subdev *sd, u8 reg, u8 val)
 323 {
 324         int err, retry = 0;
 325         struct i2c_client *client = v4l2_get_subdevdata(sd);
 326
 327 write_again:
 328
 329         err = i2c_smbus_write_byte_data(client, reg, val);
 330         if (err) {
 331                 if (retry <= I2C_RETRY_COUNT) {
 332                         v4l2_warn(sd, "Write: retry ... %d\n", retry);
 333                         retry++;
 334                         msleep_interruptible(10);
 335                         goto write_again;
 336                 }
 337         }
 338
 339         return err;
 340 }
 341
 342 /**
 343  * tvp514x_write_regs() : Initializes a list of TVP5146/47 registers
 344  * @sd: ptr to v4l2_subdev struct
 345  * @reglist: list of TVP5146/47 registers and values
 346  *
 347  * Initializes a list of TVP5146/47 registers:-
 348  *              if token is TOK_TERM, then entire write operation terminates
 349  *              if token is TOK_DELAY, then a delay of 'val' msec is introduced
 350  *              if token is TOK_SKIP, then the register write is skipped
 351  *              if token is TOK_WRITE, then the register write is performed
 352  * Returns zero if successful, or non-zero otherwise.
 353  */
 354 static int tvp514x_write_regs(struct v4l2_subdev *sd,
 355                               const struct tvp514x_reg reglist[])
 356 {
 357         int err;
 358         const struct tvp514x_reg *next = reglist;
 359
 360         for (; next->token != TOK_TERM; next++) {
 361                 if (next->token == TOK_DELAY) {
 362                         msleep(next->val);
 363                         continue;
 364                 }
 365
 366                 if (next->token == TOK_SKIP)
 367                         continue;
 368
 369                 err = tvp514x_write_reg(sd, next->reg, (u8) next->val);
 370                 if (err) {
 371                         v4l2_err(sd, "Write failed. Err[%d]\n", err);
 372                         return err;
 373                 }
 374         }
 375         return 0;
 376 }
 377
 378 /**
 379  * tvp514x_query_current_std() : Query the current standard detected by TVP5146/47
 380  * @sd: ptr to v4l2_subdev struct
 381  *
 382  * Returns the current standard detected by TVP5146/47, STD_INVALID if there is no
 383  * standard detected.
 384  */
 385 static enum tvp514x_std tvp514x_query_current_std(struct v4l2_subdev *sd)
 386 {
 387         u8 std, std_status;
 388
 389         std = tvp514x_read_reg(sd, REG_VIDEO_STD);
 390         if ((std & VIDEO_STD_MASK) == VIDEO_STD_AUTO_SWITCH_BIT)
 391                 /* use the standard status register */
 392                 std_status = tvp514x_read_reg(sd, REG_VIDEO_STD_STATUS);
 393         else
 394                 /* use the standard register itself */
 395                 std_status = std;
 396
 397         switch (std_status & VIDEO_STD_MASK) {
 398         case VIDEO_STD_NTSC_MJ_BIT:
 399                 return STD_NTSC_MJ;
 400
 401         case VIDEO_STD_PAL_BDGHIN_BIT:
 402                 return STD_PAL_BDGHIN;
 403
 404         default:
 405                 return STD_INVALID;
 406         }
 407
 408         return STD_INVALID;
 409 }
 410
 411 /* TVP5146/47 register dump function */
 412 static void tvp514x_reg_dump(struct v4l2_subdev *sd)
 413 {
 414         dump_reg(sd, REG_INPUT_SEL);
 415         dump_reg(sd, REG_AFE_GAIN_CTRL);
 416         dump_reg(sd, REG_VIDEO_STD);
 417         dump_reg(sd, REG_OPERATION_MODE);
 418         dump_reg(sd, REG_COLOR_KILLER);
 419         dump_reg(sd, REG_LUMA_CONTROL1);
 420         dump_reg(sd, REG_LUMA_CONTROL2);
 421         dump_reg(sd, REG_LUMA_CONTROL3);
 422         dump_reg(sd, REG_BRIGHTNESS);
 423         dump_reg(sd, REG_CONTRAST);
 424         dump_reg(sd, REG_SATURATION);
 425         dump_reg(sd, REG_HUE);
 426         dump_reg(sd, REG_CHROMA_CONTROL1);
 427         dump_reg(sd, REG_CHROMA_CONTROL2);
 428         dump_reg(sd, REG_COMP_PR_SATURATION);
 429         dump_reg(sd, REG_COMP_Y_CONTRAST);
 430         dump_reg(sd, REG_COMP_PB_SATURATION);
 431         dump_reg(sd, REG_COMP_Y_BRIGHTNESS);
 432         dump_reg(sd, REG_AVID_START_PIXEL_LSB);
 433         dump_reg(sd, REG_AVID_START_PIXEL_MSB);
 434         dump_reg(sd, REG_AVID_STOP_PIXEL_LSB);
 435         dump_reg(sd, REG_AVID_STOP_PIXEL_MSB);
 436         dump_reg(sd, REG_HSYNC_START_PIXEL_LSB);
 437         dump_reg(sd, REG_HSYNC_START_PIXEL_MSB);
 438         dump_reg(sd, REG_HSYNC_STOP_PIXEL_LSB);
 439         dump_reg(sd, REG_HSYNC_STOP_PIXEL_MSB);
 440         dump_reg(sd, REG_VSYNC_START_LINE_LSB);
 441         dump_reg(sd, REG_VSYNC_START_LINE_MSB);
 442         dump_reg(sd, REG_VSYNC_STOP_LINE_LSB);
 443         dump_reg(sd, REG_VSYNC_STOP_LINE_MSB);
 444         dump_reg(sd, REG_VBLK_START_LINE_LSB);
 445         dump_reg(sd, REG_VBLK_START_LINE_MSB);
 446         dump_reg(sd, REG_VBLK_STOP_LINE_LSB);
 447         dump_reg(sd, REG_VBLK_STOP_LINE_MSB);
 448         dump_reg(sd, REG_SYNC_CONTROL);
 449         dump_reg(sd, REG_OUTPUT_FORMATTER1);
 450         dump_reg(sd, REG_OUTPUT_FORMATTER2);
 451         dump_reg(sd, REG_OUTPUT_FORMATTER3);
 452         dump_reg(sd, REG_OUTPUT_FORMATTER4);
 453         dump_reg(sd, REG_OUTPUT_FORMATTER5);
 454         dump_reg(sd, REG_OUTPUT_FORMATTER6);
 455         dump_reg(sd, REG_CLEAR_LOST_LOCK);
 456 }
 457
 458 /**
 459  * tvp514x_configure() - Configure the TVP5146/47 registers
 460  * @sd: ptr to v4l2_subdev struct
 461  * @decoder: ptr to tvp514x_decoder structure
 462  *
 463  * Returns zero if successful, or non-zero otherwise.
 464  */
 465 static int tvp514x_configure(struct v4l2_subdev *sd,
 466                 struct tvp514x_decoder *decoder)
 467 {
 468         int err;
 469
 470         /* common register initialization */
 471         err =
 472             tvp514x_write_regs(sd, decoder->tvp514x_regs);
 473         if (err)
 474                 return err;
 475
 476         if (debug)
 477                 tvp514x_reg_dump(sd);
 478
 479         return 0;
 480 }
 481
 482 /**
 483  * tvp514x_detect() - Detect if an tvp514x is present, and if so which revision.
 484  * @sd: pointer to standard V4L2 sub-device structure
 485  * @decoder: pointer to tvp514x_decoder structure
 486  *
 487  * A device is considered to be detected if the chip ID (LSB and MSB)
 488  * registers match the expected values.
 489  * Any value of the rom version register is accepted.
 490  * Returns ENODEV error number if no device is detected, or zero
 491  * if a device is detected.
 492  */
 493 static int tvp514x_detect(struct v4l2_subdev *sd,
 494                 struct tvp514x_decoder *decoder)
 495 {
 496         u8 chip_id_msb, chip_id_lsb, rom_ver;
 497         struct i2c_client *client = v4l2_get_subdevdata(sd);
 498
 499         chip_id_msb = tvp514x_read_reg(sd, REG_CHIP_ID_MSB);
 500         chip_id_lsb = tvp514x_read_reg(sd, REG_CHIP_ID_LSB);
 501         rom_ver = tvp514x_read_reg(sd, REG_ROM_VERSION);
 502
 503         v4l2_dbg(1, debug, sd,
 504                  "chip id detected msb:0x%x lsb:0x%x rom version:0x%x\n",
 505                  chip_id_msb, chip_id_lsb, rom_ver);
 506         if ((chip_id_msb != TVP514X_CHIP_ID_MSB)
 507                 || ((chip_id_lsb != TVP5146_CHIP_ID_LSB)
 508                 && (chip_id_lsb != TVP5147_CHIP_ID_LSB))) {
 509                 /* We didn't read the values we expected, so this must not be
 510                  * an TVP5146/47.
 511                  */
 512                 v4l2_err(sd, "chip id mismatch msb:0x%x lsb:0x%x\n",
 513                                 chip_id_msb, chip_id_lsb);
 514                 return -ENODEV;
 515         }
 516
 517         decoder->ver = rom_ver;
 518
 519         v4l2_info(sd, "%s (Version - 0x%.2x) found at 0x%x (%s)\n",
 520                         client->name, decoder->ver,
 521                         client->addr << 1, client->adapter->name);
 522         return 0;
 523 }
 524
 525 /**
 526  * tvp514x_querystd() - V4L2 decoder interface handler for querystd
 527  * @sd: pointer to standard V4L2 sub-device structure
 528  * @std_id: standard V4L2 std_id ioctl enum
 529  *
 530  * Returns the current standard detected by TVP5146/47. If no active input is
 531  * detected then *std_id is set to 0 and the function returns 0.
 532  */
 533 static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
 534 {
 535         struct tvp514x_decoder *decoder = to_decoder(sd);
 536         enum tvp514x_std current_std;
 537         enum tvp514x_input input_sel;
 538         u8 sync_lock_status, lock_mask;
 539
 540         if (std_id == NULL)
 541                 return -EINVAL;
 542
 543         /* To query the standard the TVP514x must power on the ADCs. */
 544         if (!decoder->streaming) {
 545                 tvp514x_s_stream(sd, 1);
 546                 msleep(LOCK_RETRY_DELAY);
 547         }
 548
 549         /* query the current standard */
 550         current_std = tvp514x_query_current_std(sd);
 551         if (current_std == STD_INVALID) {
 552                 *std_id = V4L2_STD_UNKNOWN;
 553                 return 0;
 554         }
 555
 556         input_sel = decoder->input;
 557
 558         switch (input_sel) {
 559         case INPUT_CVBS_VI1A:
 560         case INPUT_CVBS_VI1B:
 561         case INPUT_CVBS_VI1C:
 562         case INPUT_CVBS_VI2A:
 563         case INPUT_CVBS_VI2B:
 564         case INPUT_CVBS_VI2C:
 565         case INPUT_CVBS_VI3A:
 566         case INPUT_CVBS_VI3B:
 567         case INPUT_CVBS_VI3C:
 568         case INPUT_CVBS_VI4A:
 569                 lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT |
 570                         STATUS_HORZ_SYNC_LOCK_BIT |
 571                         STATUS_VIRT_SYNC_LOCK_BIT;
 572                 break;
 573
 574         case INPUT_SVIDEO_VI2A_VI1A:
 575         case INPUT_SVIDEO_VI2B_VI1B:
 576         case INPUT_SVIDEO_VI2C_VI1C:
 577         case INPUT_SVIDEO_VI2A_VI3A:
 578         case INPUT_SVIDEO_VI2B_VI3B:
 579         case INPUT_SVIDEO_VI2C_VI3C:
 580         case INPUT_SVIDEO_VI4A_VI1A:
 581         case INPUT_SVIDEO_VI4A_VI1B:
 582         case INPUT_SVIDEO_VI4A_VI1C:
 583         case INPUT_SVIDEO_VI4A_VI3A:
 584         case INPUT_SVIDEO_VI4A_VI3B:
 585         case INPUT_SVIDEO_VI4A_VI3C:
 586                 lock_mask = STATUS_HORZ_SYNC_LOCK_BIT |
 587                         STATUS_VIRT_SYNC_LOCK_BIT;
 588                 break;
 589                 /*Need to add other interfaces*/
 590         default:
 591                 return -EINVAL;
 592         }
 593         /* check whether signal is locked */
 594         sync_lock_status = tvp514x_read_reg(sd, REG_STATUS1);
 595         if (lock_mask != (sync_lock_status & lock_mask)) {
 596                 *std_id = V4L2_STD_UNKNOWN;
 597                 return 0;       /* No input detected */
 598         }
 599
 600         *std_id &= decoder->std_list[current_std].standard.id;
 601
 602         v4l2_dbg(1, debug, sd, "Current STD: %s\n",
 603                         decoder->std_list[current_std].standard.name);
 604         return 0;
 605 }
 606
 607 /**
 608  * tvp514x_s_std() - V4L2 decoder interface handler for s_std
 609  * @sd: pointer to standard V4L2 sub-device structure
 610  * @std_id: standard V4L2 v4l2_std_id ioctl enum
 611  *
 612  * If std_id is supported, sets the requested standard. Otherwise, returns
 613  * -EINVAL
 614  */
 615 static int tvp514x_s_std(struct v4l2_subdev *sd, v4l2_std_id std_id)
 616 {
 617         struct tvp514x_decoder *decoder = to_decoder(sd);
 618         int err, i;
 619
 620         for (i = 0; i < decoder->num_stds; i++)
 621                 if (std_id & decoder->std_list[i].standard.id)
 622                         break;
 623
 624         if ((i == decoder->num_stds) || (i == STD_INVALID))
 625                 return -EINVAL;
 626
 627         err = tvp514x_write_reg(sd, REG_VIDEO_STD,
 628                                 decoder->std_list[i].video_std);
 629         if (err)
 630                 return err;
 631
 632         decoder->current_std = i;
 633         decoder->tvp514x_regs[REG_VIDEO_STD].val =
 634                 decoder->std_list[i].video_std;
 635
 636         v4l2_dbg(1, debug, sd, "Standard set to: %s\n",
 637                         decoder->std_list[i].standard.name);
 638         return 0;
 639 }
 640
 641 /**
 642  * tvp514x_s_routing() - V4L2 decoder interface handler for s_routing
 643  * @sd: pointer to standard V4L2 sub-device structure
 644  * @input: input selector for routing the signal
 645  * @output: output selector for routing the signal
 646  * @config: config value. Not used
 647  *
 648  * If index is valid, selects the requested input. Otherwise, returns -EINVAL if
 649  * the input is not supported or there is no active signal present in the
 650  * selected input.
 651  */
 652 static int tvp514x_s_routing(struct v4l2_subdev *sd,
 653                                 u32 input, u32 output, u32 config)
 654 {
 655         struct tvp514x_decoder *decoder = to_decoder(sd);
 656         int err;
 657         enum tvp514x_input input_sel;
 658         enum tvp514x_output output_sel;
 659
 660         if ((input >= INPUT_INVALID) ||
 661                         (output >= OUTPUT_INVALID))
 662                 /* Index out of bound */
 663                 return -EINVAL;
 664
 665         input_sel = input;
 666         output_sel = output;
 667
 668         err = tvp514x_write_reg(sd, REG_INPUT_SEL, input_sel);
 669         if (err)
 670                 return err;
 671
 672         output_sel |= tvp514x_read_reg(sd,
 673                         REG_OUTPUT_FORMATTER1) & 0x7;
 674         err = tvp514x_write_reg(sd, REG_OUTPUT_FORMATTER1,
 675                         output_sel);
 676         if (err)
 677                 return err;
 678
 679         decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel;
 680         decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel;
 681         decoder->input = input;
 682         decoder->output = output;
 683
 684         v4l2_dbg(1, debug, sd, "Input set to: %d\n", input_sel);
 685
 686         return 0;
 687 }
 688
 689 /**
 690  * tvp514x_s_ctrl() - V4L2 decoder interface handler for s_ctrl
 691  * @ctrl: pointer to v4l2_ctrl structure
 692  *
 693  * If the requested control is supported, sets the control's current
 694  * value in HW. Otherwise, returns -EINVAL if the control is not supported.
 695  */
 696 static int tvp514x_s_ctrl(struct v4l2_ctrl *ctrl)
 697 {
 698         struct v4l2_subdev *sd = to_sd(ctrl);
 699         struct tvp514x_decoder *decoder = to_decoder(sd);
 700         int err = -EINVAL, value;
 701
 702         value = ctrl->val;
 703
 704         switch (ctrl->id) {
 705         case V4L2_CID_BRIGHTNESS:
 706                 err = tvp514x_write_reg(sd, REG_BRIGHTNESS, value);
 707                 if (!err)
 708                         decoder->tvp514x_regs[REG_BRIGHTNESS].val = value;
 709                 break;
 710         case V4L2_CID_CONTRAST:
 711                 err = tvp514x_write_reg(sd, REG_CONTRAST, value);
 712                 if (!err)
 713                         decoder->tvp514x_regs[REG_CONTRAST].val = value;
 714                 break;
 715         case V4L2_CID_SATURATION:
 716                 err = tvp514x_write_reg(sd, REG_SATURATION, value);
 717                 if (!err)
 718                         decoder->tvp514x_regs[REG_SATURATION].val = value;
 719                 break;
 720         case V4L2_CID_HUE:
 721                 if (value == 180)
 722                         value = 0x7F;
 723                 else if (value == -180)
 724                         value = 0x80;
 725                 err = tvp514x_write_reg(sd, REG_HUE, value);
 726                 if (!err)
 727                         decoder->tvp514x_regs[REG_HUE].val = value;
 728                 break;
 729         case V4L2_CID_AUTOGAIN:
 730                 err = tvp514x_write_reg(sd, REG_AFE_GAIN_CTRL, value ? 0x0f : 0x0c);
 731                 if (!err)
 732                         decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value;
 733                 break;
 734         }
 735
 736         v4l2_dbg(1, debug, sd, "Set Control: ID - %d - %d\n",
 737                         ctrl->id, ctrl->val);
 738         return err;
 739 }
 740
 741 static int
 742 tvp514x_get_frame_interval(struct v4l2_subdev *sd,
 743                            struct v4l2_subdev_state *sd_state,
 744                            struct v4l2_subdev_frame_interval *ival)
 745 {
 746         struct tvp514x_decoder *decoder = to_decoder(sd);
 747         enum tvp514x_std current_std;
 748
 749         /*
 750          * FIXME: Implement support for V4L2_SUBDEV_FORMAT_TRY, using the V4L2
 751          * subdev active state API.
 752          */
 753         if (ival->which != V4L2_SUBDEV_FORMAT_ACTIVE)
 754                 return -EINVAL;
 755
 756         /* get the current standard */
 757         current_std = decoder->current_std;
 758
 759         ival->interval =
 760                 decoder->std_list[current_std].standard.frameperiod;
 761
 762         return 0;
 763 }
 764
 765 static int
 766 tvp514x_set_frame_interval(struct v4l2_subdev *sd,
 767                            struct v4l2_subdev_state *sd_state,
 768                            struct v4l2_subdev_frame_interval *ival)
 769 {
 770         struct tvp514x_decoder *decoder = to_decoder(sd);
 771         struct v4l2_fract *timeperframe;
 772         enum tvp514x_std current_std;
 773
 774         /*
 775          * FIXME: Implement support for V4L2_SUBDEV_FORMAT_TRY, using the V4L2
 776          * subdev active state API.
 777          */
 778         if (ival->which != V4L2_SUBDEV_FORMAT_ACTIVE)
 779                 return -EINVAL;
 780
 781         timeperframe = &ival->interval;
 782
 783         /* get the current standard */
 784         current_std = decoder->current_std;
 785
 786         *timeperframe =
 787             decoder->std_list[current_std].standard.frameperiod;
 788
 789         return 0;
 790 }
 791
 792 /**
 793  * tvp514x_s_stream() - V4L2 decoder i/f handler for s_stream
 794  * @sd: pointer to standard V4L2 sub-device structure
 795  * @enable: streaming enable or disable
 796  *
 797  * Sets streaming to enable or disable, if possible.
 798  */
 799 static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable)
 800 {
 801         int err = 0;
 802         struct tvp514x_decoder *decoder = to_decoder(sd);
 803
 804         if (decoder->streaming == enable)
 805                 return 0;
 806
 807         switch (enable) {
 808         case 0:
 809         {
 810                 /* Power Down Sequence */
 811                 err = tvp514x_write_reg(sd, REG_OPERATION_MODE, 0x01);
 812                 if (err) {
 813                         v4l2_err(sd, "Unable to turn off decoder\n");
 814                         return err;
 815                 }
 816                 decoder->streaming = enable;
 817                 break;
 818         }
 819         case 1:
 820         {
 821                 /* Power Up Sequence */
 822                 err = tvp514x_write_regs(sd, decoder->int_seq);
 823                 if (err) {
 824                         v4l2_err(sd, "Unable to turn on decoder\n");
 825                         return err;
 826                 }
 827                 /* Detect if not already detected */
 828                 err = tvp514x_detect(sd, decoder);
 829                 if (err) {
 830                         v4l2_err(sd, "Unable to detect decoder\n");
 831                         return err;
 832                 }
 833                 err = tvp514x_configure(sd, decoder);
 834                 if (err) {
 835                         v4l2_err(sd, "Unable to configure decoder\n");
 836                         return err;
 837                 }
 838                 decoder->streaming = enable;
 839                 break;
 840         }
 841         default:
 842                 err = -ENODEV;
 843                 break;
 844         }
 845
 846         return err;
 847 }
 848
 849 static const struct v4l2_ctrl_ops tvp514x_ctrl_ops = {
 850         .s_ctrl = tvp514x_s_ctrl,
 851 };
 852
 853 /**
 854  * tvp514x_enum_mbus_code() - V4L2 decoder interface handler for enum_mbus_code
 855  * @sd: pointer to standard V4L2 sub-device structure
 856  * @sd_state: subdev state
 857  * @code: pointer to v4l2_subdev_mbus_code_enum structure
 858  *
 859  * Enumertaes mbus codes supported
 860  */
 861 static int tvp514x_enum_mbus_code(struct v4l2_subdev *sd,
 862                                   struct v4l2_subdev_state *sd_state,
 863                                   struct v4l2_subdev_mbus_code_enum *code)
 864 {
 865         u32 pad = code->pad;
 866         u32 index = code->index;
 867
 868         memset(code, 0, sizeof(*code));
 869         code->index = index;
 870         code->pad = pad;
 871
 872         if (index != 0)
 873                 return -EINVAL;
 874
 875         code->code = MEDIA_BUS_FMT_UYVY8_2X8;
 876
 877         return 0;
 878 }
 879
 880 /**
 881  * tvp514x_get_pad_format() - V4L2 decoder interface handler for get pad format
 882  * @sd: pointer to standard V4L2 sub-device structure
 883  * @sd_state: subdev state
 884  * @format: pointer to v4l2_subdev_format structure
 885  *
 886  * Retrieves pad format which is active or tried based on requirement
 887  */
 888 static int tvp514x_get_pad_format(struct v4l2_subdev *sd,
 889                                   struct v4l2_subdev_state *sd_state,
 890                                   struct v4l2_subdev_format *format)
 891 {
 892         struct tvp514x_decoder *decoder = to_decoder(sd);
 893         __u32 which = format->which;
 894
 895         if (format->pad)
 896                 return -EINVAL;
 897
 898         if (which == V4L2_SUBDEV_FORMAT_ACTIVE) {
 899                 format->format = decoder->format;
 900                 return 0;
 901         }
 902
 903         format->format.code = MEDIA_BUS_FMT_UYVY8_2X8;
 904         format->format.width = tvp514x_std_list[decoder->current_std].width;
 905         format->format.height = tvp514x_std_list[decoder->current_std].height;
 906         format->format.colorspace = V4L2_COLORSPACE_SMPTE170M;
 907         format->format.field = V4L2_FIELD_INTERLACED;
 908
 909         return 0;
 910 }
 911
 912 /**
 913  * tvp514x_set_pad_format() - V4L2 decoder interface handler for set pad format
 914  * @sd: pointer to standard V4L2 sub-device structure
 915  * @sd_state: subdev state
 916  * @fmt: pointer to v4l2_subdev_format structure
 917  *
 918  * Set pad format for the output pad
 919  */
 920 static int tvp514x_set_pad_format(struct v4l2_subdev *sd,
 921                                   struct v4l2_subdev_state *sd_state,
 922                                   struct v4l2_subdev_format *fmt)
 923 {
 924         struct tvp514x_decoder *decoder = to_decoder(sd);
 925
 926         if (fmt->format.field != V4L2_FIELD_INTERLACED ||
 927             fmt->format.code != MEDIA_BUS_FMT_UYVY8_2X8 ||
 928             fmt->format.colorspace != V4L2_COLORSPACE_SMPTE170M ||
 929             fmt->format.width != tvp514x_std_list[decoder->current_std].width ||
 930             fmt->format.height != tvp514x_std_list[decoder->current_std].height)
 931                 return -EINVAL;
 932
 933         decoder->format = fmt->format;
 934
 935         return 0;
 936 }
 937
 938 static const struct v4l2_subdev_video_ops tvp514x_video_ops = {
 939         .s_std = tvp514x_s_std,
 940         .s_routing = tvp514x_s_routing,
 941         .querystd = tvp514x_querystd,
 942         .s_stream = tvp514x_s_stream,
 943 };
 944
 945 static const struct v4l2_subdev_pad_ops tvp514x_pad_ops = {
 946         .enum_mbus_code = tvp514x_enum_mbus_code,
 947         .get_fmt = tvp514x_get_pad_format,
 948         .set_fmt = tvp514x_set_pad_format,
 949         .get_frame_interval = tvp514x_get_frame_interval,
 950         .set_frame_interval = tvp514x_set_frame_interval,
 951 };
 952
 953 static const struct v4l2_subdev_ops tvp514x_ops = {
 954         .video = &tvp514x_video_ops,
 955         .pad = &tvp514x_pad_ops,
 956 };
 957
 958 static const struct tvp514x_decoder tvp514x_dev = {
 959         .streaming = 0,
 960         .fmt_list = tvp514x_fmt_list,
 961         .num_fmts = ARRAY_SIZE(tvp514x_fmt_list),
 962         .pix = {
 963                 /* Default to NTSC 8-bit YUV 422 */
 964                 .width          = NTSC_NUM_ACTIVE_PIXELS,
 965                 .height         = NTSC_NUM_ACTIVE_LINES,
 966                 .pixelformat    = V4L2_PIX_FMT_UYVY,
 967                 .field          = V4L2_FIELD_INTERLACED,
 968                 .bytesperline   = NTSC_NUM_ACTIVE_PIXELS * 2,
 969                 .sizeimage      = NTSC_NUM_ACTIVE_PIXELS * 2 *
 970                                         NTSC_NUM_ACTIVE_LINES,
 971                 .colorspace     = V4L2_COLORSPACE_SMPTE170M,
 972                 },
 973         .current_std = STD_NTSC_MJ,
 974         .std_list = tvp514x_std_list,
 975         .num_stds = ARRAY_SIZE(tvp514x_std_list),
 976
 977 };
 978
 979 static struct tvp514x_platform_data *
 980 tvp514x_get_pdata(struct i2c_client *client)
 981 {
 982         struct tvp514x_platform_data *pdata = NULL;
 983         struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 };
 984         struct device_node *endpoint;
 985         unsigned int flags;
 986
 987         if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node)
 988                 return client->dev.platform_data;
 989
 990         endpoint = of_graph_get_endpoint_by_regs(client->dev.of_node, 0, -1);
 991         if (!endpoint)
 992                 return NULL;
 993
 994         if (v4l2_fwnode_endpoint_parse(of_fwnode_handle(endpoint), &bus_cfg))
 995                 goto done;
 996
 997         pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
 998         if (!pdata)
 999                 goto done;
1000
1001         flags = bus_cfg.bus.parallel.flags;
1002
1003         if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH)
1004                 pdata->hs_polarity = 1;
1005
1006         if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH)
1007                 pdata->vs_polarity = 1;
1008
1009         if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING)
1010                 pdata->clk_polarity = 1;
1011
1012 done:
1013         of_node_put(endpoint);
1014         return pdata;
1015 }
1016
1017 /**
1018  * tvp514x_probe() - decoder driver i2c probe handler
1019  * @client: i2c driver client device structure
1020  *
1021  * Register decoder as an i2c client device and V4L2
1022  * device.
1023  */
1024 static int
1025 tvp514x_probe(struct i2c_client *client)
1026 {
1027         struct tvp514x_platform_data *pdata = tvp514x_get_pdata(client);
1028         struct tvp514x_decoder *decoder;
1029         struct v4l2_subdev *sd;
1030         int ret;
1031
1032         if (pdata == NULL) {
1033                 dev_err(&client->dev, "No platform data\n");
1034                 return -EINVAL;
1035         }
1036
1037         /* Check if the adapter supports the needed features */
1038         if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1039                 return -EIO;
1040
1041         decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL);
1042         if (!decoder)
1043                 return -ENOMEM;
1044
1045         /* Initialize the tvp514x_decoder with default configuration */
1046         *decoder = tvp514x_dev;
1047         /* Copy default register configuration */
1048         memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default,
1049                         sizeof(tvp514x_reg_list_default));
1050
1051         decoder->int_seq = i2c_get_match_data(client);
1052
1053         /* Copy board specific information here */
1054         decoder->pdata = pdata;
1055
1056         /**
1057          * Fetch platform specific data, and configure the
1058          * tvp514x_reg_list[] accordingly. Since this is one
1059          * time configuration, no need to preserve.
1060          */
1061         decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |=
1062                 (decoder->pdata->clk_polarity << 1);
1063         decoder->tvp514x_regs[REG_SYNC_CONTROL].val |=
1064                 ((decoder->pdata->hs_polarity << 2) |
1065                  (decoder->pdata->vs_polarity << 3));
1066         /* Set default standard to auto */
1067         decoder->tvp514x_regs[REG_VIDEO_STD].val =
1068                 VIDEO_STD_AUTO_SWITCH_BIT;
1069
1070         /* Register with V4L2 layer as slave device */
1071         sd = &decoder->sd;
1072         v4l2_i2c_subdev_init(sd, client, &tvp514x_ops);
1073
1074 #if defined(CONFIG_MEDIA_CONTROLLER)
1075         decoder->pad.flags = MEDIA_PAD_FL_SOURCE;
1076         decoder->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1077         decoder->sd.entity.function = MEDIA_ENT_F_ATV_DECODER;
1078
1079         ret = media_entity_pads_init(&decoder->sd.entity, 1, &decoder->pad);
1080         if (ret < 0) {
1081                 v4l2_err(sd, "%s decoder driver failed to register !!\n",
1082                          sd->name);
1083                 return ret;
1084         }
1085 #endif
1086         v4l2_ctrl_handler_init(&decoder->hdl, 5);
1087         v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1088                 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1089         v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1090                 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1091         v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1092                 V4L2_CID_SATURATION, 0, 255, 1, 128);
1093         v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1094                 V4L2_CID_HUE, -180, 180, 180, 0);
1095         v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1096                 V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
1097         sd->ctrl_handler = &decoder->hdl;
1098         if (decoder->hdl.error) {
1099                 ret = decoder->hdl.error;
1100                 goto done;
1101         }
1102         v4l2_ctrl_handler_setup(&decoder->hdl);
1103
1104         ret = v4l2_async_register_subdev(&decoder->sd);
1105         if (!ret)
1106                 v4l2_info(sd, "%s decoder driver registered !!\n", sd->name);
1107
1108 done:
1109         if (ret < 0) {
1110                 v4l2_ctrl_handler_free(&decoder->hdl);
1111                 media_entity_cleanup(&decoder->sd.entity);
1112         }
1113         return ret;
1114 }
1115
1116 /**
1117  * tvp514x_remove() - decoder driver i2c remove handler
1118  * @client: i2c driver client device structure
1119  *
1120  * Unregister decoder as an i2c client device and V4L2
1121  * device. Complement of tvp514x_probe().
1122  */
1123 static void tvp514x_remove(struct i2c_client *client)
1124 {
1125         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1126         struct tvp514x_decoder *decoder = to_decoder(sd);
1127
1128         v4l2_async_unregister_subdev(&decoder->sd);
1129         media_entity_cleanup(&decoder->sd.entity);
1130         v4l2_ctrl_handler_free(&decoder->hdl);
1131 }
1132 /* TVP5146 Init/Power on Sequence */
1133 static const struct tvp514x_reg tvp5146_init_reg_seq[] = {
1134         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02},
1135         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1136         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80},
1137         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1138         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
1139         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1140         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
1141         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1142         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00},
1143         {TOK_WRITE, REG_OPERATION_MODE, 0x01},
1144         {TOK_WRITE, REG_OPERATION_MODE, 0x00},
1145         {TOK_TERM, 0, 0},
1146 };
1147
1148 /* TVP5147 Init/Power on Sequence */
1149 static const struct tvp514x_reg tvp5147_init_reg_seq[] =        {
1150         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02},
1151         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1152         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80},
1153         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1154         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
1155         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1156         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
1157         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1158         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x16},
1159         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1160         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xA0},
1161         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x16},
1162         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
1163         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1164         {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
1165         {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00},
1166         {TOK_WRITE, REG_OPERATION_MODE, 0x01},
1167         {TOK_WRITE, REG_OPERATION_MODE, 0x00},
1168         {TOK_TERM, 0, 0},
1169 };
1170
1171 /* TVP5146M2/TVP5147M1 Init/Power on Sequence */
1172 static const struct tvp514x_reg tvp514xm_init_reg_seq[] = {
1173         {TOK_WRITE, REG_OPERATION_MODE, 0x01},
1174         {TOK_WRITE, REG_OPERATION_MODE, 0x00},
1175         {TOK_TERM, 0, 0},
1176 };
1177
1178 /*
1179  * I2C Device Table -
1180  *
1181  * name - Name of the actual device/chip.
1182  * driver_data - Driver data
1183  */
1184 static const struct i2c_device_id tvp514x_id[] = {
1185         {"tvp5146", (kernel_ulong_t)tvp5146_init_reg_seq },
1186         {"tvp5146m2", (kernel_ulong_t)tvp514xm_init_reg_seq },
1187         {"tvp5147", (kernel_ulong_t)tvp5147_init_reg_seq },
1188         {"tvp5147m1", (kernel_ulong_t)tvp514xm_init_reg_seq },
1189         { /* sentinel */ }
1190 };
1191 MODULE_DEVICE_TABLE(i2c, tvp514x_id);
1192
1193 static const struct of_device_id tvp514x_of_match[] = {
1194         { .compatible = "ti,tvp5146", .data = tvp5146_init_reg_seq },
1195         { .compatible = "ti,tvp5146m2", .data = tvp514xm_init_reg_seq },
1196         { .compatible = "ti,tvp5147", .data = tvp5147_init_reg_seq },
1197         { .compatible = "ti,tvp5147m1", .data = tvp514xm_init_reg_seq },
1198         { /* sentinel */ }
1199 };
1200 MODULE_DEVICE_TABLE(of, tvp514x_of_match);
1201
1202 static struct i2c_driver tvp514x_driver = {
1203         .driver = {
1204                 .of_match_table = tvp514x_of_match,
1205                 .name = TVP514X_MODULE_NAME,
1206         },
1207         .probe = tvp514x_probe,
1208         .remove = tvp514x_remove,
1209         .id_table = tvp514x_id,
1210 };
1211
1212 module_i2c_driver(tvp514x_driver);