linux/drivers/media/video/tvp5150.c
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   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
  20MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
  21MODULE_AUTHOR("Mauro Carvalho Chehab");
  22MODULE_LICENSE("GPL");
  23
  24
  25static int debug;
  26module_param(debug, int, 0);
  27MODULE_PARM_DESC(debug, "Debug level (0-2)");
  28
  29struct tvp5150 {
  30        struct v4l2_subdev sd;
  31        struct v4l2_ctrl_handler hdl;
  32
  33        v4l2_std_id norm;       /* Current set standard */
  34        u32 input;
  35        u32 output;
  36        int enable;
  37};
  38
  39static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
  40{
  41        return container_of(sd, struct tvp5150, sd);
  42}
  43
  44static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  45{
  46        return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
  47}
  48
  49static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
  50{
  51        struct i2c_client *c = v4l2_get_subdevdata(sd);
  52        unsigned char buffer[1];
  53        int rc;
  54
  55        buffer[0] = addr;
  56        if (1 != (rc = i2c_master_send(c, buffer, 1)))
  57                v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 1)\n", rc);
  58
  59        msleep(10);
  60
  61        if (1 != (rc = i2c_master_recv(c, buffer, 1)))
  62                v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 1)\n", rc);
  63
  64        v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
  65
  66        return (buffer[0]);
  67}
  68
  69static inline void tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
  70                                 unsigned char value)
  71{
  72        struct i2c_client *c = v4l2_get_subdevdata(sd);
  73        unsigned char buffer[2];
  74        int rc;
  75
  76        buffer[0] = addr;
  77        buffer[1] = value;
  78        v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
  79        if (2 != (rc = i2c_master_send(c, buffer, 2)))
  80                v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 2)\n", rc);
  81}
  82
  83static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
  84                                const u8 end, int max_line)
  85{
  86        int i = 0;
  87
  88        while (init != (u8)(end + 1)) {
  89                if ((i % max_line) == 0) {
  90                        if (i > 0)
  91                                printk("\n");
  92                        printk("tvp5150: %s reg 0x%02x = ", s, init);
  93                }
  94                printk("%02x ", tvp5150_read(sd, init));
  95
  96                init++;
  97                i++;
  98        }
  99        printk("\n");
 100}
 101
 102static int tvp5150_log_status(struct v4l2_subdev *sd)
 103{
 104        printk("tvp5150: Video input source selection #1 = 0x%02x\n",
 105                        tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
 106        printk("tvp5150: Analog channel controls = 0x%02x\n",
 107                        tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
 108        printk("tvp5150: Operation mode controls = 0x%02x\n",
 109                        tvp5150_read(sd, TVP5150_OP_MODE_CTL));
 110        printk("tvp5150: Miscellaneous controls = 0x%02x\n",
 111                        tvp5150_read(sd, TVP5150_MISC_CTL));
 112        printk("tvp5150: Autoswitch mask= 0x%02x\n",
 113                        tvp5150_read(sd, TVP5150_AUTOSW_MSK));
 114        printk("tvp5150: Color killer threshold control = 0x%02x\n",
 115                        tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
 116        printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
 117                        tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
 118                        tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
 119                        tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
 120        printk("tvp5150: Brightness control = 0x%02x\n",
 121                        tvp5150_read(sd, TVP5150_BRIGHT_CTL));
 122        printk("tvp5150: Color saturation control = 0x%02x\n",
 123                        tvp5150_read(sd, TVP5150_SATURATION_CTL));
 124        printk("tvp5150: Hue control = 0x%02x\n",
 125                        tvp5150_read(sd, TVP5150_HUE_CTL));
 126        printk("tvp5150: Contrast control = 0x%02x\n",
 127                        tvp5150_read(sd, TVP5150_CONTRAST_CTL));
 128        printk("tvp5150: Outputs and data rates select = 0x%02x\n",
 129                        tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
 130        printk("tvp5150: Configuration shared pins = 0x%02x\n",
 131                        tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
 132        printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
 133                        tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
 134                        tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
 135        printk("tvp5150: Active video cropping stop  = 0x%02x%02x\n",
 136                        tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
 137                        tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
 138        printk("tvp5150: Genlock/RTC = 0x%02x\n",
 139                        tvp5150_read(sd, TVP5150_GENLOCK));
 140        printk("tvp5150: Horizontal sync start = 0x%02x\n",
 141                        tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
 142        printk("tvp5150: Vertical blanking start = 0x%02x\n",
 143                        tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
 144        printk("tvp5150: Vertical blanking stop = 0x%02x\n",
 145                        tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
 146        printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
 147                        tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
 148                        tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
 149        printk("tvp5150: Interrupt reset register B = 0x%02x\n",
 150                        tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
 151        printk("tvp5150: Interrupt enable register B = 0x%02x\n",
 152                        tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
 153        printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
 154                        tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
 155        printk("tvp5150: Video standard = 0x%02x\n",
 156                        tvp5150_read(sd, TVP5150_VIDEO_STD));
 157        printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
 158                        tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
 159                        tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
 160        printk("tvp5150: Macrovision on counter = 0x%02x\n",
 161                        tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
 162        printk("tvp5150: Macrovision off counter = 0x%02x\n",
 163                        tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
 164        printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
 165                        (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
 166        printk("tvp5150: Device ID = %02x%02x\n",
 167                        tvp5150_read(sd, TVP5150_MSB_DEV_ID),
 168                        tvp5150_read(sd, TVP5150_LSB_DEV_ID));
 169        printk("tvp5150: ROM version = (hex) %02x.%02x\n",
 170                        tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
 171                        tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
 172        printk("tvp5150: Vertical line count = 0x%02x%02x\n",
 173                        tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
 174                        tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
 175        printk("tvp5150: Interrupt status register B = 0x%02x\n",
 176                        tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
 177        printk("tvp5150: Interrupt active register B = 0x%02x\n",
 178                        tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
 179        printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
 180                        tvp5150_read(sd, TVP5150_STATUS_REG_1),
 181                        tvp5150_read(sd, TVP5150_STATUS_REG_2),
 182                        tvp5150_read(sd, TVP5150_STATUS_REG_3),
 183                        tvp5150_read(sd, TVP5150_STATUS_REG_4),
 184                        tvp5150_read(sd, TVP5150_STATUS_REG_5));
 185
 186        dump_reg_range(sd, "Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
 187                        TVP5150_TELETEXT_FIL1_END, 8);
 188        dump_reg_range(sd, "Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
 189                        TVP5150_TELETEXT_FIL2_END, 8);
 190
 191        printk("tvp5150: Teletext filter enable = 0x%02x\n",
 192                        tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
 193        printk("tvp5150: Interrupt status register A = 0x%02x\n",
 194                        tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
 195        printk("tvp5150: Interrupt enable register A = 0x%02x\n",
 196                        tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
 197        printk("tvp5150: Interrupt configuration = 0x%02x\n",
 198                        tvp5150_read(sd, TVP5150_INT_CONF));
 199        printk("tvp5150: VDP status register = 0x%02x\n",
 200                        tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
 201        printk("tvp5150: FIFO word count = 0x%02x\n",
 202                        tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
 203        printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
 204                        tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
 205        printk("tvp5150: FIFO reset = 0x%02x\n",
 206                        tvp5150_read(sd, TVP5150_FIFO_RESET));
 207        printk("tvp5150: Line number interrupt = 0x%02x\n",
 208                        tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
 209        printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
 210                        tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
 211                        tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
 212        printk("tvp5150: FIFO output control = 0x%02x\n",
 213                        tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
 214        printk("tvp5150: Full field enable = 0x%02x\n",
 215                        tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
 216        printk("tvp5150: Full field mode register = 0x%02x\n",
 217                        tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
 218
 219        dump_reg_range(sd, "CC   data",   TVP5150_CC_DATA_INI,
 220                        TVP5150_CC_DATA_END, 8);
 221
 222        dump_reg_range(sd, "WSS  data",   TVP5150_WSS_DATA_INI,
 223                        TVP5150_WSS_DATA_END, 8);
 224
 225        dump_reg_range(sd, "VPS  data",   TVP5150_VPS_DATA_INI,
 226                        TVP5150_VPS_DATA_END, 8);
 227
 228        dump_reg_range(sd, "VITC data",   TVP5150_VITC_DATA_INI,
 229                        TVP5150_VITC_DATA_END, 10);
 230
 231        dump_reg_range(sd, "Line mode",   TVP5150_LINE_MODE_INI,
 232                        TVP5150_LINE_MODE_END, 8);
 233        return 0;
 234}
 235
 236/****************************************************************************
 237                        Basic functions
 238 ****************************************************************************/
 239
 240static inline void tvp5150_selmux(struct v4l2_subdev *sd)
 241{
 242        int opmode = 0;
 243        struct tvp5150 *decoder = to_tvp5150(sd);
 244        int input = 0;
 245        unsigned char val;
 246
 247        if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable)
 248                input = 8;
 249
 250        switch (decoder->input) {
 251        case TVP5150_COMPOSITE1:
 252                input |= 2;
 253                /* fall through */
 254        case TVP5150_COMPOSITE0:
 255                break;
 256        case TVP5150_SVIDEO:
 257        default:
 258                input |= 1;
 259                break;
 260        }
 261
 262        v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i "
 263                        "=> tvp5150 input=%i, opmode=%i\n",
 264                        decoder->input, decoder->output,
 265                        input, opmode);
 266
 267        tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
 268        tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
 269
 270        /* Svideo should enable YCrCb output and disable GPCL output
 271         * For Composite and TV, it should be the reverse
 272         */
 273        val = tvp5150_read(sd, TVP5150_MISC_CTL);
 274        if (decoder->input == TVP5150_SVIDEO)
 275                val = (val & ~0x40) | 0x10;
 276        else
 277                val = (val & ~0x10) | 0x40;
 278        tvp5150_write(sd, TVP5150_MISC_CTL, val);
 279};
 280
 281struct i2c_reg_value {
 282        unsigned char reg;
 283        unsigned char value;
 284};
 285
 286/* Default values as sugested at TVP5150AM1 datasheet */
 287static const struct i2c_reg_value tvp5150_init_default[] = {
 288        { /* 0x00 */
 289                TVP5150_VD_IN_SRC_SEL_1,0x00
 290        },
 291        { /* 0x01 */
 292                TVP5150_ANAL_CHL_CTL,0x15
 293        },
 294        { /* 0x02 */
 295                TVP5150_OP_MODE_CTL,0x00
 296        },
 297        { /* 0x03 */
 298                TVP5150_MISC_CTL,0x01
 299        },
 300        { /* 0x06 */
 301                TVP5150_COLOR_KIL_THSH_CTL,0x10
 302        },
 303        { /* 0x07 */
 304                TVP5150_LUMA_PROC_CTL_1,0x60
 305        },
 306        { /* 0x08 */
 307                TVP5150_LUMA_PROC_CTL_2,0x00
 308        },
 309        { /* 0x09 */
 310                TVP5150_BRIGHT_CTL,0x80
 311        },
 312        { /* 0x0a */
 313                TVP5150_SATURATION_CTL,0x80
 314        },
 315        { /* 0x0b */
 316                TVP5150_HUE_CTL,0x00
 317        },
 318        { /* 0x0c */
 319                TVP5150_CONTRAST_CTL,0x80
 320        },
 321        { /* 0x0d */
 322                TVP5150_DATA_RATE_SEL,0x47
 323        },
 324        { /* 0x0e */
 325                TVP5150_LUMA_PROC_CTL_3,0x00
 326        },
 327        { /* 0x0f */
 328                TVP5150_CONF_SHARED_PIN,0x08
 329        },
 330        { /* 0x11 */
 331                TVP5150_ACT_VD_CROP_ST_MSB,0x00
 332        },
 333        { /* 0x12 */
 334                TVP5150_ACT_VD_CROP_ST_LSB,0x00
 335        },
 336        { /* 0x13 */
 337                TVP5150_ACT_VD_CROP_STP_MSB,0x00
 338        },
 339        { /* 0x14 */
 340                TVP5150_ACT_VD_CROP_STP_LSB,0x00
 341        },
 342        { /* 0x15 */
 343                TVP5150_GENLOCK,0x01
 344        },
 345        { /* 0x16 */
 346                TVP5150_HORIZ_SYNC_START,0x80
 347        },
 348        { /* 0x18 */
 349                TVP5150_VERT_BLANKING_START,0x00
 350        },
 351        { /* 0x19 */
 352                TVP5150_VERT_BLANKING_STOP,0x00
 353        },
 354        { /* 0x1a */
 355                TVP5150_CHROMA_PROC_CTL_1,0x0c
 356        },
 357        { /* 0x1b */
 358                TVP5150_CHROMA_PROC_CTL_2,0x14
 359        },
 360        { /* 0x1c */
 361                TVP5150_INT_RESET_REG_B,0x00
 362        },
 363        { /* 0x1d */
 364                TVP5150_INT_ENABLE_REG_B,0x00
 365        },
 366        { /* 0x1e */
 367                TVP5150_INTT_CONFIG_REG_B,0x00
 368        },
 369        { /* 0x28 */
 370                TVP5150_VIDEO_STD,0x00
 371        },
 372        { /* 0x2e */
 373                TVP5150_MACROVISION_ON_CTR,0x0f
 374        },
 375        { /* 0x2f */
 376                TVP5150_MACROVISION_OFF_CTR,0x01
 377        },
 378        { /* 0xbb */
 379                TVP5150_TELETEXT_FIL_ENA,0x00
 380        },
 381        { /* 0xc0 */
 382                TVP5150_INT_STATUS_REG_A,0x00
 383        },
 384        { /* 0xc1 */
 385                TVP5150_INT_ENABLE_REG_A,0x00
 386        },
 387        { /* 0xc2 */
 388                TVP5150_INT_CONF,0x04
 389        },
 390        { /* 0xc8 */
 391                TVP5150_FIFO_INT_THRESHOLD,0x80
 392        },
 393        { /* 0xc9 */
 394                TVP5150_FIFO_RESET,0x00
 395        },
 396        { /* 0xca */
 397                TVP5150_LINE_NUMBER_INT,0x00
 398        },
 399        { /* 0xcb */
 400                TVP5150_PIX_ALIGN_REG_LOW,0x4e
 401        },
 402        { /* 0xcc */
 403                TVP5150_PIX_ALIGN_REG_HIGH,0x00
 404        },
 405        { /* 0xcd */
 406                TVP5150_FIFO_OUT_CTRL,0x01
 407        },
 408        { /* 0xcf */
 409                TVP5150_FULL_FIELD_ENA,0x00
 410        },
 411        { /* 0xd0 */
 412                TVP5150_LINE_MODE_INI,0x00
 413        },
 414        { /* 0xfc */
 415                TVP5150_FULL_FIELD_MODE_REG,0x7f
 416        },
 417        { /* end of data */
 418                0xff,0xff
 419        }
 420};
 421
 422/* Default values as sugested at TVP5150AM1 datasheet */
 423static const struct i2c_reg_value tvp5150_init_enable[] = {
 424        {
 425                TVP5150_CONF_SHARED_PIN, 2
 426        },{     /* Automatic offset and AGC enabled */
 427                TVP5150_ANAL_CHL_CTL, 0x15
 428        },{     /* Activate YCrCb output 0x9 or 0xd ? */
 429                TVP5150_MISC_CTL, 0x6f
 430        },{     /* Activates video std autodetection for all standards */
 431                TVP5150_AUTOSW_MSK, 0x0
 432        },{     /* Default format: 0x47. For 4:2:2: 0x40 */
 433                TVP5150_DATA_RATE_SEL, 0x47
 434        },{
 435                TVP5150_CHROMA_PROC_CTL_1, 0x0c
 436        },{
 437                TVP5150_CHROMA_PROC_CTL_2, 0x54
 438        },{     /* Non documented, but initialized on WinTV USB2 */
 439                0x27, 0x20
 440        },{
 441                0xff,0xff
 442        }
 443};
 444
 445struct tvp5150_vbi_type {
 446        unsigned int vbi_type;
 447        unsigned int ini_line;
 448        unsigned int end_line;
 449        unsigned int by_field :1;
 450};
 451
 452struct i2c_vbi_ram_value {
 453        u16 reg;
 454        struct tvp5150_vbi_type type;
 455        unsigned char values[16];
 456};
 457
 458/* This struct have the values for each supported VBI Standard
 459 * by
 460 tvp5150_vbi_types should follow the same order as vbi_ram_default
 461 * value 0 means rom position 0x10, value 1 means rom position 0x30
 462 * and so on. There are 16 possible locations from 0 to 15.
 463 */
 464
 465static struct i2c_vbi_ram_value vbi_ram_default[] =
 466{
 467        /* FIXME: Current api doesn't handle all VBI types, those not
 468           yet supported are placed under #if 0 */
 469#if 0
 470        {0x010, /* Teletext, SECAM, WST System A */
 471                {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
 472                { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 473                  0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 474        },
 475#endif
 476        {0x030, /* Teletext, PAL, WST System B */
 477                {V4L2_SLICED_TELETEXT_B,6,22,1},
 478                { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 479                  0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 480        },
 481#if 0
 482        {0x050, /* Teletext, PAL, WST System C */
 483                {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
 484                { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 485                  0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 486        },
 487        {0x070, /* Teletext, NTSC, WST System B */
 488                {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
 489                { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 490                  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 491        },
 492        {0x090, /* Tetetext, NTSC NABTS System C */
 493                {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
 494                { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 495                  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 496        },
 497        {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 498                {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
 499                { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 500                  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 501        },
 502        {0x0d0, /* Closed Caption, PAL/SECAM */
 503                {V4L2_SLICED_CAPTION_625,22,22,1},
 504                { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 505                  0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 506        },
 507#endif
 508        {0x0f0, /* Closed Caption, NTSC */
 509                {V4L2_SLICED_CAPTION_525,21,21,1},
 510                { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 511                  0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 512        },
 513        {0x110, /* Wide Screen Signal, PAL/SECAM */
 514                {V4L2_SLICED_WSS_625,23,23,1},
 515                { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 516                  0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 517        },
 518#if 0
 519        {0x130, /* Wide Screen Signal, NTSC C */
 520                {V4L2_SLICED_WSS_525,20,20,1},
 521                { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 522                  0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 523        },
 524        {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 525                {V4l2_SLICED_VITC_625,6,22,0},
 526                { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 527                  0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 528        },
 529        {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 530                {V4l2_SLICED_VITC_525,10,20,0},
 531                { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 532                  0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 533        },
 534#endif
 535        {0x190, /* Video Program System (VPS), PAL */
 536                {V4L2_SLICED_VPS,16,16,0},
 537                { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 538                  0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 539        },
 540        /* 0x1d0 User programmable */
 541
 542        /* End of struct */
 543        { (u16)-1 }
 544};
 545
 546static int tvp5150_write_inittab(struct v4l2_subdev *sd,
 547                                const struct i2c_reg_value *regs)
 548{
 549        while (regs->reg != 0xff) {
 550                tvp5150_write(sd, regs->reg, regs->value);
 551                regs++;
 552        }
 553        return 0;
 554}
 555
 556static int tvp5150_vdp_init(struct v4l2_subdev *sd,
 557                                const struct i2c_vbi_ram_value *regs)
 558{
 559        unsigned int i;
 560
 561        /* Disable Full Field */
 562        tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
 563
 564        /* Before programming, Line mode should be at 0xff */
 565        for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
 566                tvp5150_write(sd, i, 0xff);
 567
 568        /* Load Ram Table */
 569        while (regs->reg != (u16)-1) {
 570                tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
 571                tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
 572
 573                for (i = 0; i < 16; i++)
 574                        tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
 575
 576                regs++;
 577        }
 578        return 0;
 579}
 580
 581/* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 582static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
 583                                struct v4l2_sliced_vbi_cap *cap)
 584{
 585        const struct i2c_vbi_ram_value *regs = vbi_ram_default;
 586        int line;
 587
 588        v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n");
 589        memset(cap, 0, sizeof *cap);
 590
 591        while (regs->reg != (u16)-1 ) {
 592                for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
 593                        cap->service_lines[0][line] |= regs->type.vbi_type;
 594                }
 595                cap->service_set |= regs->type.vbi_type;
 596
 597                regs++;
 598        }
 599        return 0;
 600}
 601
 602/* Set vbi processing
 603 * type - one of tvp5150_vbi_types
 604 * line - line to gather data
 605 * fields: bit 0 field1, bit 1, field2
 606 * flags (default=0xf0) is a bitmask, were set means:
 607 *      bit 7: enable filtering null bytes on CC
 608 *      bit 6: send data also to FIFO
 609 *      bit 5: don't allow data with errors on FIFO
 610 *      bit 4: enable ECC when possible
 611 * pix_align = pix alignment:
 612 *      LSB = field1
 613 *      MSB = field2
 614 */
 615static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 616                        const struct i2c_vbi_ram_value *regs,
 617                        unsigned int type,u8 flags, int line,
 618                        const int fields)
 619{
 620        struct tvp5150 *decoder = to_tvp5150(sd);
 621        v4l2_std_id std = decoder->norm;
 622        u8 reg;
 623        int pos=0;
 624
 625        if (std == V4L2_STD_ALL) {
 626                v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
 627                return 0;
 628        } else if (std & V4L2_STD_625_50) {
 629                /* Don't follow NTSC Line number convension */
 630                line += 3;
 631        }
 632
 633        if (line<6||line>27)
 634                return 0;
 635
 636        while (regs->reg != (u16)-1 ) {
 637                if ((type & regs->type.vbi_type) &&
 638                    (line>=regs->type.ini_line) &&
 639                    (line<=regs->type.end_line)) {
 640                        type=regs->type.vbi_type;
 641                        break;
 642                }
 643
 644                regs++;
 645                pos++;
 646        }
 647        if (regs->reg == (u16)-1)
 648                return 0;
 649
 650        type=pos | (flags & 0xf0);
 651        reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 652
 653        if (fields&1) {
 654                tvp5150_write(sd, reg, type);
 655        }
 656
 657        if (fields&2) {
 658                tvp5150_write(sd, reg+1, type);
 659        }
 660
 661        return type;
 662}
 663
 664static int tvp5150_get_vbi(struct v4l2_subdev *sd,
 665                        const struct i2c_vbi_ram_value *regs, int line)
 666{
 667        struct tvp5150 *decoder = to_tvp5150(sd);
 668        v4l2_std_id std = decoder->norm;
 669        u8 reg;
 670        int pos, type = 0;
 671
 672        if (std == V4L2_STD_ALL) {
 673                v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
 674                return 0;
 675        } else if (std & V4L2_STD_625_50) {
 676                /* Don't follow NTSC Line number convension */
 677                line += 3;
 678        }
 679
 680        if (line < 6 || line > 27)
 681                return 0;
 682
 683        reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 684
 685        pos = tvp5150_read(sd, reg) & 0x0f;
 686        if (pos < 0x0f)
 687                type = regs[pos].type.vbi_type;
 688
 689        pos = tvp5150_read(sd, reg + 1) & 0x0f;
 690        if (pos < 0x0f)
 691                type |= regs[pos].type.vbi_type;
 692
 693        return type;
 694}
 695
 696static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
 697{
 698        struct tvp5150 *decoder = to_tvp5150(sd);
 699        int fmt = 0;
 700
 701        decoder->norm = std;
 702
 703        /* First tests should be against specific std */
 704
 705        if (std == V4L2_STD_ALL) {
 706                fmt = 0;        /* Autodetect mode */
 707        } else if (std & V4L2_STD_NTSC_443) {
 708                fmt = 0xa;
 709        } else if (std & V4L2_STD_PAL_M) {
 710                fmt = 0x6;
 711        } else if (std & (V4L2_STD_PAL_N | V4L2_STD_PAL_Nc)) {
 712                fmt = 0x8;
 713        } else {
 714                /* Then, test against generic ones */
 715                if (std & V4L2_STD_NTSC)
 716                        fmt = 0x2;
 717                else if (std & V4L2_STD_PAL)
 718                        fmt = 0x4;
 719                else if (std & V4L2_STD_SECAM)
 720                        fmt = 0xc;
 721        }
 722
 723        v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt);
 724        tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
 725        return 0;
 726}
 727
 728static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 729{
 730        struct tvp5150 *decoder = to_tvp5150(sd);
 731
 732        if (decoder->norm == std)
 733                return 0;
 734
 735        return tvp5150_set_std(sd, std);
 736}
 737
 738static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
 739{
 740        struct tvp5150 *decoder = to_tvp5150(sd);
 741
 742        /* Initializes TVP5150 to its default values */
 743        tvp5150_write_inittab(sd, tvp5150_init_default);
 744
 745        /* Initializes VDP registers */
 746        tvp5150_vdp_init(sd, vbi_ram_default);
 747
 748        /* Selects decoder input */
 749        tvp5150_selmux(sd);
 750
 751        /* Initializes TVP5150 to stream enabled values */
 752        tvp5150_write_inittab(sd, tvp5150_init_enable);
 753
 754        /* Initialize image preferences */
 755        v4l2_ctrl_handler_setup(&decoder->hdl);
 756
 757        tvp5150_set_std(sd, decoder->norm);
 758        return 0;
 759};
 760
 761static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
 762{
 763        struct v4l2_subdev *sd = to_sd(ctrl);
 764
 765        switch (ctrl->id) {
 766        case V4L2_CID_BRIGHTNESS:
 767                tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
 768                return 0;
 769        case V4L2_CID_CONTRAST:
 770                tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
 771                return 0;
 772        case V4L2_CID_SATURATION:
 773                tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
 774                return 0;
 775        case V4L2_CID_HUE:
 776                tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
 777                return 0;
 778        }
 779        return -EINVAL;
 780}
 781
 782/****************************************************************************
 783                        I2C Command
 784 ****************************************************************************/
 785
 786static int tvp5150_s_routing(struct v4l2_subdev *sd,
 787                             u32 input, u32 output, u32 config)
 788{
 789        struct tvp5150 *decoder = to_tvp5150(sd);
 790
 791        decoder->input = input;
 792        decoder->output = output;
 793        tvp5150_selmux(sd);
 794        return 0;
 795}
 796
 797static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
 798{
 799        /* this is for capturing 36 raw vbi lines
 800           if there's a way to cut off the beginning 2 vbi lines
 801           with the tvp5150 then the vbi line count could be lowered
 802           to 17 lines/field again, although I couldn't find a register
 803           which could do that cropping */
 804        if (fmt->sample_format == V4L2_PIX_FMT_GREY)
 805                tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
 806        if (fmt->count[0] == 18 && fmt->count[1] == 18) {
 807                tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
 808                tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
 809        }
 810        return 0;
 811}
 812
 813static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
 814{
 815        int i;
 816
 817        if (svbi->service_set != 0) {
 818                for (i = 0; i <= 23; i++) {
 819                        svbi->service_lines[1][i] = 0;
 820                        svbi->service_lines[0][i] =
 821                                tvp5150_set_vbi(sd, vbi_ram_default,
 822                                       svbi->service_lines[0][i], 0xf0, i, 3);
 823                }
 824                /* Enables FIFO */
 825                tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
 826        } else {
 827                /* Disables FIFO*/
 828                tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
 829
 830                /* Disable Full Field */
 831                tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
 832
 833                /* Disable Line modes */
 834                for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
 835                        tvp5150_write(sd, i, 0xff);
 836        }
 837        return 0;
 838}
 839
 840static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
 841{
 842        int i, mask = 0;
 843
 844        memset(svbi, 0, sizeof(*svbi));
 845
 846        for (i = 0; i <= 23; i++) {
 847                svbi->service_lines[0][i] =
 848                        tvp5150_get_vbi(sd, vbi_ram_default, i);
 849                mask |= svbi->service_lines[0][i];
 850        }
 851        svbi->service_set = mask;
 852        return 0;
 853}
 854
 855static int tvp5150_g_chip_ident(struct v4l2_subdev *sd,
 856                                struct v4l2_dbg_chip_ident *chip)
 857{
 858        int rev;
 859        struct i2c_client *client = v4l2_get_subdevdata(sd);
 860
 861        rev = tvp5150_read(sd, TVP5150_ROM_MAJOR_VER) << 8 |
 862              tvp5150_read(sd, TVP5150_ROM_MINOR_VER);
 863
 864        return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVP5150,
 865                                          rev);
 866}
 867
 868
 869#ifdef CONFIG_VIDEO_ADV_DEBUG
 870static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
 871{
 872        struct i2c_client *client = v4l2_get_subdevdata(sd);
 873
 874        if (!v4l2_chip_match_i2c_client(client, &reg->match))
 875                return -EINVAL;
 876        if (!capable(CAP_SYS_ADMIN))
 877                return -EPERM;
 878        reg->val = tvp5150_read(sd, reg->reg & 0xff);
 879        reg->size = 1;
 880        return 0;
 881}
 882
 883static int tvp5150_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
 884{
 885        struct i2c_client *client = v4l2_get_subdevdata(sd);
 886
 887        if (!v4l2_chip_match_i2c_client(client, &reg->match))
 888                return -EINVAL;
 889        if (!capable(CAP_SYS_ADMIN))
 890                return -EPERM;
 891        tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
 892        return 0;
 893}
 894#endif
 895
 896static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
 897{
 898        int status = tvp5150_read(sd, 0x88);
 899
 900        vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
 901        return 0;
 902}
 903
 904/* ----------------------------------------------------------------------- */
 905
 906static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
 907        .s_ctrl = tvp5150_s_ctrl,
 908};
 909
 910static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
 911        .log_status = tvp5150_log_status,
 912        .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
 913        .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
 914        .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
 915        .g_ctrl = v4l2_subdev_g_ctrl,
 916        .s_ctrl = v4l2_subdev_s_ctrl,
 917        .queryctrl = v4l2_subdev_queryctrl,
 918        .querymenu = v4l2_subdev_querymenu,
 919        .s_std = tvp5150_s_std,
 920        .reset = tvp5150_reset,
 921        .g_chip_ident = tvp5150_g_chip_ident,
 922#ifdef CONFIG_VIDEO_ADV_DEBUG
 923        .g_register = tvp5150_g_register,
 924        .s_register = tvp5150_s_register,
 925#endif
 926};
 927
 928static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
 929        .g_tuner = tvp5150_g_tuner,
 930};
 931
 932static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
 933        .s_routing = tvp5150_s_routing,
 934};
 935
 936static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
 937        .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
 938        .g_sliced_fmt = tvp5150_g_sliced_fmt,
 939        .s_sliced_fmt = tvp5150_s_sliced_fmt,
 940        .s_raw_fmt = tvp5150_s_raw_fmt,
 941};
 942
 943static const struct v4l2_subdev_ops tvp5150_ops = {
 944        .core = &tvp5150_core_ops,
 945        .tuner = &tvp5150_tuner_ops,
 946        .video = &tvp5150_video_ops,
 947        .vbi = &tvp5150_vbi_ops,
 948};
 949
 950
 951/****************************************************************************
 952                        I2C Client & Driver
 953 ****************************************************************************/
 954
 955static int tvp5150_probe(struct i2c_client *c,
 956                         const struct i2c_device_id *id)
 957{
 958        struct tvp5150 *core;
 959        struct v4l2_subdev *sd;
 960        u8 msb_id, lsb_id, msb_rom, lsb_rom;
 961
 962        /* Check if the adapter supports the needed features */
 963        if (!i2c_check_functionality(c->adapter,
 964             I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
 965                return -EIO;
 966
 967        core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
 968        if (!core) {
 969                return -ENOMEM;
 970        }
 971        sd = &core->sd;
 972        v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
 973        v4l_info(c, "chip found @ 0x%02x (%s)\n",
 974                 c->addr << 1, c->adapter->name);
 975
 976        msb_id = tvp5150_read(sd, TVP5150_MSB_DEV_ID);
 977        lsb_id = tvp5150_read(sd, TVP5150_LSB_DEV_ID);
 978        msb_rom = tvp5150_read(sd, TVP5150_ROM_MAJOR_VER);
 979        lsb_rom = tvp5150_read(sd, TVP5150_ROM_MINOR_VER);
 980
 981        if (msb_rom == 4 && lsb_rom == 0) { /* Is TVP5150AM1 */
 982                v4l2_info(sd, "tvp%02x%02xam1 detected.\n", msb_id, lsb_id);
 983
 984                /* ITU-T BT.656.4 timing */
 985                tvp5150_write(sd, TVP5150_REV_SELECT, 0);
 986        } else {
 987                if (msb_rom == 3 || lsb_rom == 0x21) { /* Is TVP5150A */
 988                        v4l2_info(sd, "tvp%02x%02xa detected.\n", msb_id, lsb_id);
 989                } else {
 990                        v4l2_info(sd, "*** unknown tvp%02x%02x chip detected.\n",
 991                                        msb_id, lsb_id);
 992                        v4l2_info(sd, "*** Rom ver is %d.%d\n", msb_rom, lsb_rom);
 993                }
 994        }
 995
 996        core->norm = V4L2_STD_ALL;      /* Default is autodetect */
 997        core->input = TVP5150_COMPOSITE1;
 998        core->enable = 1;
 999
1000        v4l2_ctrl_handler_init(&core->hdl, 4);
1001        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1002                        V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1003        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1004                        V4L2_CID_CONTRAST, 0, 255, 1, 128);
1005        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1006                        V4L2_CID_SATURATION, 0, 255, 1, 128);
1007        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1008                        V4L2_CID_HUE, -128, 127, 1, 0);
1009        sd->ctrl_handler = &core->hdl;
1010        if (core->hdl.error) {
1011                int err = core->hdl.error;
1012
1013                v4l2_ctrl_handler_free(&core->hdl);
1014                kfree(core);
1015                return err;
1016        }
1017        v4l2_ctrl_handler_setup(&core->hdl);
1018
1019        if (debug > 1)
1020                tvp5150_log_status(sd);
1021        return 0;
1022}
1023
1024static int tvp5150_remove(struct i2c_client *c)
1025{
1026        struct v4l2_subdev *sd = i2c_get_clientdata(c);
1027        struct tvp5150 *decoder = to_tvp5150(sd);
1028
1029        v4l2_dbg(1, debug, sd,
1030                "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1031                c->addr << 1);
1032
1033        v4l2_device_unregister_subdev(sd);
1034        v4l2_ctrl_handler_free(&decoder->hdl);
1035        kfree(to_tvp5150(sd));
1036        return 0;
1037}
1038
1039/* ----------------------------------------------------------------------- */
1040
1041static const struct i2c_device_id tvp5150_id[] = {
1042        { "tvp5150", 0 },
1043        { }
1044};
1045MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1046
1047static struct i2c_driver tvp5150_driver = {
1048        .driver = {
1049                .owner  = THIS_MODULE,
1050                .name   = "tvp5150",
1051        },
1052        .probe          = tvp5150_probe,
1053        .remove         = tvp5150_remove,
1054        .id_table       = tvp5150_id,
1055};
1056
1057static __init int init_tvp5150(void)
1058{
1059        return i2c_add_driver(&tvp5150_driver);
1060}
1061
1062static __exit void exit_tvp5150(void)
1063{
1064        i2c_del_driver(&tvp5150_driver);
1065}
1066
1067module_init(init_tvp5150);
1068module_exit(exit_tvp5150);
1069
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