drivers/media/i2c/tvp5150.c

   1 /*
   2  * tvp5150 - Texas Instruments TVP5150A/AM1 video decoder driver
   3  *
   4  * Copyright (c) 2005,2006 Mauro Carvalho Chehab (mchehab@infradead.org)
   5  * This code is placed under the terms of the GNU General Public License v2
   6  */
   7
   8 #include <linux/i2c.h>
   9 #include <linux/slab.h>
  10 #include <linux/videodev2.h>
  11 #include <linux/delay.h>
  12 #include <linux/gpio/consumer.h>
  13 #include <linux/module.h>
  14 #include <media/v4l2-async.h>
  15 #include <media/v4l2-device.h>
  16 #include <media/i2c/tvp5150.h>
  17 #include <media/v4l2-ctrls.h>
  18 #include <media/v4l2-of.h>
  19 #include <media/v4l2-mc.h>
  20
  21 #include "tvp5150_reg.h"
  22
  23 #define TVP5150_H_MAX           720U
  24 #define TVP5150_V_MAX_525_60    480U
  25 #define TVP5150_V_MAX_OTHERS    576U
  26 #define TVP5150_MAX_CROP_LEFT   511
  27 #define TVP5150_MAX_CROP_TOP    127
  28 #define TVP5150_CROP_SHIFT      2
  29
  30 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
  31 MODULE_AUTHOR("Mauro Carvalho Chehab");
  32 MODULE_LICENSE("GPL");
  33
  34
  35 static int debug;
  36 module_param(debug, int, 0644);
  37 MODULE_PARM_DESC(debug, "Debug level (0-2)");
  38
  39 struct tvp5150 {
  40         struct v4l2_subdev sd;
  41 #ifdef CONFIG_MEDIA_CONTROLLER
  42         struct media_pad pads[DEMOD_NUM_PADS];
  43 #endif
  44         struct v4l2_ctrl_handler hdl;
  45         struct v4l2_rect rect;
  46
  47         v4l2_std_id norm;       /* Current set standard */
  48         u32 input;
  49         u32 output;
  50         int enable;
  51
  52         enum v4l2_mbus_type mbus_type;
  53 };
  54
  55 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
  56 {
  57         return container_of(sd, struct tvp5150, sd);
  58 }
  59
  60 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  61 {
  62         return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
  63 }
  64
  65 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
  66 {
  67         struct i2c_client *c = v4l2_get_subdevdata(sd);
  68         int rc;
  69
  70         rc = i2c_smbus_read_byte_data(c, addr);
  71         if (rc < 0) {
  72                 v4l2_err(sd, "i2c i/o error: rc == %d\n", rc);
  73                 return rc;
  74         }
  75
  76         v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, rc);
  77
  78         return rc;
  79 }
  80
  81 static inline void tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
  82                                  unsigned char value)
  83 {
  84         struct i2c_client *c = v4l2_get_subdevdata(sd);
  85         int rc;
  86
  87         v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", addr, value);
  88         rc = i2c_smbus_write_byte_data(c, addr, value);
  89         if (rc < 0)
  90                 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d\n", rc);
  91 }
  92
  93 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
  94                                 const u8 end, int max_line)
  95 {
  96         int i = 0;
  97
  98         while (init != (u8)(end + 1)) {
  99                 if ((i % max_line) == 0) {
 100                         if (i > 0)
 101                                 printk("\n");
 102                         printk("tvp5150: %s reg 0x%02x = ", s, init);
 103                 }
 104                 printk("%02x ", tvp5150_read(sd, init));
 105
 106                 init++;
 107                 i++;
 108         }
 109         printk("\n");
 110 }
 111
 112 static int tvp5150_log_status(struct v4l2_subdev *sd)
 113 {
 114         printk("tvp5150: Video input source selection #1 = 0x%02x\n",
 115                         tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
 116         printk("tvp5150: Analog channel controls = 0x%02x\n",
 117                         tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
 118         printk("tvp5150: Operation mode controls = 0x%02x\n",
 119                         tvp5150_read(sd, TVP5150_OP_MODE_CTL));
 120         printk("tvp5150: Miscellaneous controls = 0x%02x\n",
 121                         tvp5150_read(sd, TVP5150_MISC_CTL));
 122         printk("tvp5150: Autoswitch mask= 0x%02x\n",
 123                         tvp5150_read(sd, TVP5150_AUTOSW_MSK));
 124         printk("tvp5150: Color killer threshold control = 0x%02x\n",
 125                         tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
 126         printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
 127                         tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
 128                         tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
 129                         tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
 130         printk("tvp5150: Brightness control = 0x%02x\n",
 131                         tvp5150_read(sd, TVP5150_BRIGHT_CTL));
 132         printk("tvp5150: Color saturation control = 0x%02x\n",
 133                         tvp5150_read(sd, TVP5150_SATURATION_CTL));
 134         printk("tvp5150: Hue control = 0x%02x\n",
 135                         tvp5150_read(sd, TVP5150_HUE_CTL));
 136         printk("tvp5150: Contrast control = 0x%02x\n",
 137                         tvp5150_read(sd, TVP5150_CONTRAST_CTL));
 138         printk("tvp5150: Outputs and data rates select = 0x%02x\n",
 139                         tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
 140         printk("tvp5150: Configuration shared pins = 0x%02x\n",
 141                         tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
 142         printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
 143                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
 144                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
 145         printk("tvp5150: Active video cropping stop  = 0x%02x%02x\n",
 146                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
 147                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
 148         printk("tvp5150: Genlock/RTC = 0x%02x\n",
 149                         tvp5150_read(sd, TVP5150_GENLOCK));
 150         printk("tvp5150: Horizontal sync start = 0x%02x\n",
 151                         tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
 152         printk("tvp5150: Vertical blanking start = 0x%02x\n",
 153                         tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
 154         printk("tvp5150: Vertical blanking stop = 0x%02x\n",
 155                         tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
 156         printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
 157                         tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
 158                         tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
 159         printk("tvp5150: Interrupt reset register B = 0x%02x\n",
 160                         tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
 161         printk("tvp5150: Interrupt enable register B = 0x%02x\n",
 162                         tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
 163         printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
 164                         tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
 165         printk("tvp5150: Video standard = 0x%02x\n",
 166                         tvp5150_read(sd, TVP5150_VIDEO_STD));
 167         printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
 168                         tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
 169                         tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
 170         printk("tvp5150: Macrovision on counter = 0x%02x\n",
 171                         tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
 172         printk("tvp5150: Macrovision off counter = 0x%02x\n",
 173                         tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
 174         printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
 175                         (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
 176         printk("tvp5150: Device ID = %02x%02x\n",
 177                         tvp5150_read(sd, TVP5150_MSB_DEV_ID),
 178                         tvp5150_read(sd, TVP5150_LSB_DEV_ID));
 179         printk("tvp5150: ROM version = (hex) %02x.%02x\n",
 180                         tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
 181                         tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
 182         printk("tvp5150: Vertical line count = 0x%02x%02x\n",
 183                         tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
 184                         tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
 185         printk("tvp5150: Interrupt status register B = 0x%02x\n",
 186                         tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
 187         printk("tvp5150: Interrupt active register B = 0x%02x\n",
 188                         tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
 189         printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
 190                         tvp5150_read(sd, TVP5150_STATUS_REG_1),
 191                         tvp5150_read(sd, TVP5150_STATUS_REG_2),
 192                         tvp5150_read(sd, TVP5150_STATUS_REG_3),
 193                         tvp5150_read(sd, TVP5150_STATUS_REG_4),
 194                         tvp5150_read(sd, TVP5150_STATUS_REG_5));
 195
 196         dump_reg_range(sd, "Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
 197                         TVP5150_TELETEXT_FIL1_END, 8);
 198         dump_reg_range(sd, "Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
 199                         TVP5150_TELETEXT_FIL2_END, 8);
 200
 201         printk("tvp5150: Teletext filter enable = 0x%02x\n",
 202                         tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
 203         printk("tvp5150: Interrupt status register A = 0x%02x\n",
 204                         tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
 205         printk("tvp5150: Interrupt enable register A = 0x%02x\n",
 206                         tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
 207         printk("tvp5150: Interrupt configuration = 0x%02x\n",
 208                         tvp5150_read(sd, TVP5150_INT_CONF));
 209         printk("tvp5150: VDP status register = 0x%02x\n",
 210                         tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
 211         printk("tvp5150: FIFO word count = 0x%02x\n",
 212                         tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
 213         printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
 214                         tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
 215         printk("tvp5150: FIFO reset = 0x%02x\n",
 216                         tvp5150_read(sd, TVP5150_FIFO_RESET));
 217         printk("tvp5150: Line number interrupt = 0x%02x\n",
 218                         tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
 219         printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
 220                         tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
 221                         tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
 222         printk("tvp5150: FIFO output control = 0x%02x\n",
 223                         tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
 224         printk("tvp5150: Full field enable = 0x%02x\n",
 225                         tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
 226         printk("tvp5150: Full field mode register = 0x%02x\n",
 227                         tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
 228
 229         dump_reg_range(sd, "CC   data",   TVP5150_CC_DATA_INI,
 230                         TVP5150_CC_DATA_END, 8);
 231
 232         dump_reg_range(sd, "WSS  data",   TVP5150_WSS_DATA_INI,
 233                         TVP5150_WSS_DATA_END, 8);
 234
 235         dump_reg_range(sd, "VPS  data",   TVP5150_VPS_DATA_INI,
 236                         TVP5150_VPS_DATA_END, 8);
 237
 238         dump_reg_range(sd, "VITC data",   TVP5150_VITC_DATA_INI,
 239                         TVP5150_VITC_DATA_END, 10);
 240
 241         dump_reg_range(sd, "Line mode",   TVP5150_LINE_MODE_INI,
 242                         TVP5150_LINE_MODE_END, 8);
 243         return 0;
 244 }
 245
 246 /****************************************************************************
 247                         Basic functions
 248  ****************************************************************************/
 249
 250 static inline void tvp5150_selmux(struct v4l2_subdev *sd)
 251 {
 252         int opmode = 0;
 253         struct tvp5150 *decoder = to_tvp5150(sd);
 254         int input = 0;
 255         int val;
 256
 257         if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable)
 258                 input = 8;
 259
 260         switch (decoder->input) {
 261         case TVP5150_COMPOSITE1:
 262                 input |= 2;
 263                 /* fall through */
 264         case TVP5150_COMPOSITE0:
 265                 break;
 266         case TVP5150_SVIDEO:
 267         default:
 268                 input |= 1;
 269                 break;
 270         }
 271
 272         v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i "
 273                         "=> tvp5150 input=%i, opmode=%i\n",
 274                         decoder->input, decoder->output,
 275                         input, opmode);
 276
 277         tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
 278         tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
 279
 280         /* Svideo should enable YCrCb output and disable GPCL output
 281          * For Composite and TV, it should be the reverse
 282          */
 283         val = tvp5150_read(sd, TVP5150_MISC_CTL);
 284         if (val < 0) {
 285                 v4l2_err(sd, "%s: failed with error = %d\n", __func__, val);
 286                 return;
 287         }
 288
 289         if (decoder->input == TVP5150_SVIDEO)
 290                 val = (val & ~0x40) | 0x10;
 291         else
 292                 val = (val & ~0x10) | 0x40;
 293         tvp5150_write(sd, TVP5150_MISC_CTL, val);
 294 };
 295
 296 struct i2c_reg_value {
 297         unsigned char reg;
 298         unsigned char value;
 299 };
 300
 301 /* Default values as sugested at TVP5150AM1 datasheet */
 302 static const struct i2c_reg_value tvp5150_init_default[] = {
 303         { /* 0x00 */
 304                 TVP5150_VD_IN_SRC_SEL_1,0x00
 305         },
 306         { /* 0x01 */
 307                 TVP5150_ANAL_CHL_CTL,0x15
 308         },
 309         { /* 0x02 */
 310                 TVP5150_OP_MODE_CTL,0x00
 311         },
 312         { /* 0x03 */
 313                 TVP5150_MISC_CTL,0x01
 314         },
 315         { /* 0x06 */
 316                 TVP5150_COLOR_KIL_THSH_CTL,0x10
 317         },
 318         { /* 0x07 */
 319                 TVP5150_LUMA_PROC_CTL_1,0x60
 320         },
 321         { /* 0x08 */
 322                 TVP5150_LUMA_PROC_CTL_2,0x00
 323         },
 324         { /* 0x09 */
 325                 TVP5150_BRIGHT_CTL,0x80
 326         },
 327         { /* 0x0a */
 328                 TVP5150_SATURATION_CTL,0x80
 329         },
 330         { /* 0x0b */
 331                 TVP5150_HUE_CTL,0x00
 332         },
 333         { /* 0x0c */
 334                 TVP5150_CONTRAST_CTL,0x80
 335         },
 336         { /* 0x0d */
 337                 TVP5150_DATA_RATE_SEL,0x47
 338         },
 339         { /* 0x0e */
 340                 TVP5150_LUMA_PROC_CTL_3,0x00
 341         },
 342         { /* 0x0f */
 343                 TVP5150_CONF_SHARED_PIN,0x08
 344         },
 345         { /* 0x11 */
 346                 TVP5150_ACT_VD_CROP_ST_MSB,0x00
 347         },
 348         { /* 0x12 */
 349                 TVP5150_ACT_VD_CROP_ST_LSB,0x00
 350         },
 351         { /* 0x13 */
 352                 TVP5150_ACT_VD_CROP_STP_MSB,0x00
 353         },
 354         { /* 0x14 */
 355                 TVP5150_ACT_VD_CROP_STP_LSB,0x00
 356         },
 357         { /* 0x15 */
 358                 TVP5150_GENLOCK,0x01
 359         },
 360         { /* 0x16 */
 361                 TVP5150_HORIZ_SYNC_START,0x80
 362         },
 363         { /* 0x18 */
 364                 TVP5150_VERT_BLANKING_START,0x00
 365         },
 366         { /* 0x19 */
 367                 TVP5150_VERT_BLANKING_STOP,0x00
 368         },
 369         { /* 0x1a */
 370                 TVP5150_CHROMA_PROC_CTL_1,0x0c
 371         },
 372         { /* 0x1b */
 373                 TVP5150_CHROMA_PROC_CTL_2,0x14
 374         },
 375         { /* 0x1c */
 376                 TVP5150_INT_RESET_REG_B,0x00
 377         },
 378         { /* 0x1d */
 379                 TVP5150_INT_ENABLE_REG_B,0x00
 380         },
 381         { /* 0x1e */
 382                 TVP5150_INTT_CONFIG_REG_B,0x00
 383         },
 384         { /* 0x28 */
 385                 TVP5150_VIDEO_STD,0x00
 386         },
 387         { /* 0x2e */
 388                 TVP5150_MACROVISION_ON_CTR,0x0f
 389         },
 390         { /* 0x2f */
 391                 TVP5150_MACROVISION_OFF_CTR,0x01
 392         },
 393         { /* 0xbb */
 394                 TVP5150_TELETEXT_FIL_ENA,0x00
 395         },
 396         { /* 0xc0 */
 397                 TVP5150_INT_STATUS_REG_A,0x00
 398         },
 399         { /* 0xc1 */
 400                 TVP5150_INT_ENABLE_REG_A,0x00
 401         },
 402         { /* 0xc2 */
 403                 TVP5150_INT_CONF,0x04
 404         },
 405         { /* 0xc8 */
 406                 TVP5150_FIFO_INT_THRESHOLD,0x80
 407         },
 408         { /* 0xc9 */
 409                 TVP5150_FIFO_RESET,0x00
 410         },
 411         { /* 0xca */
 412                 TVP5150_LINE_NUMBER_INT,0x00
 413         },
 414         { /* 0xcb */
 415                 TVP5150_PIX_ALIGN_REG_LOW,0x4e
 416         },
 417         { /* 0xcc */
 418                 TVP5150_PIX_ALIGN_REG_HIGH,0x00
 419         },
 420         { /* 0xcd */
 421                 TVP5150_FIFO_OUT_CTRL,0x01
 422         },
 423         { /* 0xcf */
 424                 TVP5150_FULL_FIELD_ENA,0x00
 425         },
 426         { /* 0xd0 */
 427                 TVP5150_LINE_MODE_INI,0x00
 428         },
 429         { /* 0xfc */
 430                 TVP5150_FULL_FIELD_MODE_REG,0x7f
 431         },
 432         { /* end of data */
 433                 0xff,0xff
 434         }
 435 };
 436
 437 /* Default values as sugested at TVP5150AM1 datasheet */
 438 static const struct i2c_reg_value tvp5150_init_enable[] = {
 439         {
 440                 TVP5150_CONF_SHARED_PIN, 2
 441         },{     /* Automatic offset and AGC enabled */
 442                 TVP5150_ANAL_CHL_CTL, 0x15
 443         },{     /* Activate YCrCb output 0x9 or 0xd ? */
 444                 TVP5150_MISC_CTL, 0x6f
 445         },{     /* Activates video std autodetection for all standards */
 446                 TVP5150_AUTOSW_MSK, 0x0
 447         },{     /* Default format: 0x47. For 4:2:2: 0x40 */
 448                 TVP5150_DATA_RATE_SEL, 0x47
 449         },{
 450                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 451         },{
 452                 TVP5150_CHROMA_PROC_CTL_2, 0x54
 453         },{     /* Non documented, but initialized on WinTV USB2 */
 454                 0x27, 0x20
 455         },{
 456                 0xff,0xff
 457         }
 458 };
 459
 460 struct tvp5150_vbi_type {
 461         unsigned int vbi_type;
 462         unsigned int ini_line;
 463         unsigned int end_line;
 464         unsigned int by_field :1;
 465 };
 466
 467 struct i2c_vbi_ram_value {
 468         u16 reg;
 469         struct tvp5150_vbi_type type;
 470         unsigned char values[16];
 471 };
 472
 473 /* This struct have the values for each supported VBI Standard
 474  * by
 475  tvp5150_vbi_types should follow the same order as vbi_ram_default
 476  * value 0 means rom position 0x10, value 1 means rom position 0x30
 477  * and so on. There are 16 possible locations from 0 to 15.
 478  */
 479
 480 static struct i2c_vbi_ram_value vbi_ram_default[] =
 481 {
 482         /* FIXME: Current api doesn't handle all VBI types, those not
 483            yet supported are placed under #if 0 */
 484 #if 0
 485         {0x010, /* Teletext, SECAM, WST System A */
 486                 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
 487                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 488                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 489         },
 490 #endif
 491         {0x030, /* Teletext, PAL, WST System B */
 492                 {V4L2_SLICED_TELETEXT_B,6,22,1},
 493                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 494                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 495         },
 496 #if 0
 497         {0x050, /* Teletext, PAL, WST System C */
 498                 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
 499                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 500                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 501         },
 502         {0x070, /* Teletext, NTSC, WST System B */
 503                 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
 504                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 505                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 506         },
 507         {0x090, /* Tetetext, NTSC NABTS System C */
 508                 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
 509                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 510                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 511         },
 512         {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 513                 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
 514                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 515                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 516         },
 517         {0x0d0, /* Closed Caption, PAL/SECAM */
 518                 {V4L2_SLICED_CAPTION_625,22,22,1},
 519                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 520                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 521         },
 522 #endif
 523         {0x0f0, /* Closed Caption, NTSC */
 524                 {V4L2_SLICED_CAPTION_525,21,21,1},
 525                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 526                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 527         },
 528         {0x110, /* Wide Screen Signal, PAL/SECAM */
 529                 {V4L2_SLICED_WSS_625,23,23,1},
 530                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 531                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 532         },
 533 #if 0
 534         {0x130, /* Wide Screen Signal, NTSC C */
 535                 {V4L2_SLICED_WSS_525,20,20,1},
 536                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 537                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 538         },
 539         {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 540                 {V4l2_SLICED_VITC_625,6,22,0},
 541                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 542                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 543         },
 544         {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 545                 {V4l2_SLICED_VITC_525,10,20,0},
 546                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 547                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 548         },
 549 #endif
 550         {0x190, /* Video Program System (VPS), PAL */
 551                 {V4L2_SLICED_VPS,16,16,0},
 552                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 553                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 554         },
 555         /* 0x1d0 User programmable */
 556
 557         /* End of struct */
 558         { (u16)-1 }
 559 };
 560
 561 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
 562                                 const struct i2c_reg_value *regs)
 563 {
 564         while (regs->reg != 0xff) {
 565                 tvp5150_write(sd, regs->reg, regs->value);
 566                 regs++;
 567         }
 568         return 0;
 569 }
 570
 571 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
 572                                 const struct i2c_vbi_ram_value *regs)
 573 {
 574         unsigned int i;
 575
 576         /* Disable Full Field */
 577         tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
 578
 579         /* Before programming, Line mode should be at 0xff */
 580         for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
 581                 tvp5150_write(sd, i, 0xff);
 582
 583         /* Load Ram Table */
 584         while (regs->reg != (u16)-1) {
 585                 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
 586                 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
 587
 588                 for (i = 0; i < 16; i++)
 589                         tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
 590
 591                 regs++;
 592         }
 593         return 0;
 594 }
 595
 596 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 597 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
 598                                 struct v4l2_sliced_vbi_cap *cap)
 599 {
 600         const struct i2c_vbi_ram_value *regs = vbi_ram_default;
 601         int line;
 602
 603         v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n");
 604         memset(cap, 0, sizeof *cap);
 605
 606         while (regs->reg != (u16)-1 ) {
 607                 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
 608                         cap->service_lines[0][line] |= regs->type.vbi_type;
 609                 }
 610                 cap->service_set |= regs->type.vbi_type;
 611
 612                 regs++;
 613         }
 614         return 0;
 615 }
 616
 617 /* Set vbi processing
 618  * type - one of tvp5150_vbi_types
 619  * line - line to gather data
 620  * fields: bit 0 field1, bit 1, field2
 621  * flags (default=0xf0) is a bitmask, were set means:
 622  *      bit 7: enable filtering null bytes on CC
 623  *      bit 6: send data also to FIFO
 624  *      bit 5: don't allow data with errors on FIFO
 625  *      bit 4: enable ECC when possible
 626  * pix_align = pix alignment:
 627  *      LSB = field1
 628  *      MSB = field2
 629  */
 630 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 631                         const struct i2c_vbi_ram_value *regs,
 632                         unsigned int type,u8 flags, int line,
 633                         const int fields)
 634 {
 635         struct tvp5150 *decoder = to_tvp5150(sd);
 636         v4l2_std_id std = decoder->norm;
 637         u8 reg;
 638         int pos=0;
 639
 640         if (std == V4L2_STD_ALL) {
 641                 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
 642                 return 0;
 643         } else if (std & V4L2_STD_625_50) {
 644                 /* Don't follow NTSC Line number convension */
 645                 line += 3;
 646         }
 647
 648         if (line<6||line>27)
 649                 return 0;
 650
 651         while (regs->reg != (u16)-1 ) {
 652                 if ((type & regs->type.vbi_type) &&
 653                     (line>=regs->type.ini_line) &&
 654                     (line<=regs->type.end_line)) {
 655                         type=regs->type.vbi_type;
 656                         break;
 657                 }
 658
 659                 regs++;
 660                 pos++;
 661         }
 662         if (regs->reg == (u16)-1)
 663                 return 0;
 664
 665         type=pos | (flags & 0xf0);
 666         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 667
 668         if (fields&1) {
 669                 tvp5150_write(sd, reg, type);
 670         }
 671
 672         if (fields&2) {
 673                 tvp5150_write(sd, reg+1, type);
 674         }
 675
 676         return type;
 677 }
 678
 679 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
 680                         const struct i2c_vbi_ram_value *regs, int line)
 681 {
 682         struct tvp5150 *decoder = to_tvp5150(sd);
 683         v4l2_std_id std = decoder->norm;
 684         u8 reg;
 685         int pos, type = 0;
 686         int i, ret = 0;
 687
 688         if (std == V4L2_STD_ALL) {
 689                 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
 690                 return 0;
 691         } else if (std & V4L2_STD_625_50) {
 692                 /* Don't follow NTSC Line number convension */
 693                 line += 3;
 694         }
 695
 696         if (line < 6 || line > 27)
 697                 return 0;
 698
 699         reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 700
 701         for (i = 0; i <= 1; i++) {
 702                 ret = tvp5150_read(sd, reg + i);
 703                 if (ret < 0) {
 704                         v4l2_err(sd, "%s: failed with error = %d\n",
 705                                  __func__, ret);
 706                         return 0;
 707                 }
 708                 pos = ret & 0x0f;
 709                 if (pos < 0x0f)
 710                         type |= regs[pos].type.vbi_type;
 711         }
 712
 713         return type;
 714 }
 715
 716 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
 717 {
 718         struct tvp5150 *decoder = to_tvp5150(sd);
 719         int fmt = 0;
 720
 721         decoder->norm = std;
 722
 723         /* First tests should be against specific std */
 724
 725         if (std == V4L2_STD_NTSC_443) {
 726                 fmt = VIDEO_STD_NTSC_4_43_BIT;
 727         } else if (std == V4L2_STD_PAL_M) {
 728                 fmt = VIDEO_STD_PAL_M_BIT;
 729         } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
 730                 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
 731         } else {
 732                 /* Then, test against generic ones */
 733                 if (std & V4L2_STD_NTSC)
 734                         fmt = VIDEO_STD_NTSC_MJ_BIT;
 735                 else if (std & V4L2_STD_PAL)
 736                         fmt = VIDEO_STD_PAL_BDGHIN_BIT;
 737                 else if (std & V4L2_STD_SECAM)
 738                         fmt = VIDEO_STD_SECAM_BIT;
 739         }
 740
 741         v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt);
 742         tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
 743         return 0;
 744 }
 745
 746 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 747 {
 748         struct tvp5150 *decoder = to_tvp5150(sd);
 749
 750         if (decoder->norm == std)
 751                 return 0;
 752
 753         /* Change cropping height limits */
 754         if (std & V4L2_STD_525_60)
 755                 decoder->rect.height = TVP5150_V_MAX_525_60;
 756         else
 757                 decoder->rect.height = TVP5150_V_MAX_OTHERS;
 758
 759
 760         return tvp5150_set_std(sd, std);
 761 }
 762
 763 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
 764 {
 765         struct tvp5150 *decoder = to_tvp5150(sd);
 766
 767         /* Initializes TVP5150 to its default values */
 768         tvp5150_write_inittab(sd, tvp5150_init_default);
 769
 770         /* Initializes VDP registers */
 771         tvp5150_vdp_init(sd, vbi_ram_default);
 772
 773         /* Selects decoder input */
 774         tvp5150_selmux(sd);
 775
 776         /* Initializes TVP5150 to stream enabled values */
 777         tvp5150_write_inittab(sd, tvp5150_init_enable);
 778
 779         /* Initialize image preferences */
 780         v4l2_ctrl_handler_setup(&decoder->hdl);
 781
 782         tvp5150_set_std(sd, decoder->norm);
 783
 784         if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
 785                 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40);
 786
 787         return 0;
 788 };
 789
 790 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
 791 {
 792         struct v4l2_subdev *sd = to_sd(ctrl);
 793
 794         switch (ctrl->id) {
 795         case V4L2_CID_BRIGHTNESS:
 796                 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
 797                 return 0;
 798         case V4L2_CID_CONTRAST:
 799                 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
 800                 return 0;
 801         case V4L2_CID_SATURATION:
 802                 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
 803                 return 0;
 804         case V4L2_CID_HUE:
 805                 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
 806                 return 0;
 807         }
 808         return -EINVAL;
 809 }
 810
 811 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
 812 {
 813         int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
 814
 815         switch (val & 0x0F) {
 816         case 0x01:
 817                 return V4L2_STD_NTSC;
 818         case 0x03:
 819                 return V4L2_STD_PAL;
 820         case 0x05:
 821                 return V4L2_STD_PAL_M;
 822         case 0x07:
 823                 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
 824         case 0x09:
 825                 return V4L2_STD_NTSC_443;
 826         case 0xb:
 827                 return V4L2_STD_SECAM;
 828         default:
 829                 return V4L2_STD_UNKNOWN;
 830         }
 831 }
 832
 833 static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
 834                 struct v4l2_subdev_pad_config *cfg,
 835                 struct v4l2_subdev_format *format)
 836 {
 837         struct v4l2_mbus_framefmt *f;
 838         struct tvp5150 *decoder = to_tvp5150(sd);
 839
 840         if (!format || format->pad)
 841                 return -EINVAL;
 842
 843         f = &format->format;
 844
 845         tvp5150_reset(sd, 0);
 846
 847         f->width = decoder->rect.width;
 848         f->height = decoder->rect.height / 2;
 849
 850         f->code = MEDIA_BUS_FMT_UYVY8_2X8;
 851         f->field = V4L2_FIELD_ALTERNATE;
 852         f->colorspace = V4L2_COLORSPACE_SMPTE170M;
 853
 854         v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width,
 855                         f->height);
 856         return 0;
 857 }
 858
 859 static int tvp5150_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a)
 860 {
 861         struct v4l2_rect rect = a->c;
 862         struct tvp5150 *decoder = to_tvp5150(sd);
 863         v4l2_std_id std;
 864         unsigned int hmax;
 865
 866         v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n",
 867                 __func__, rect.left, rect.top, rect.width, rect.height);
 868
 869         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 870                 return -EINVAL;
 871
 872         /* tvp5150 has some special limits */
 873         rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
 874         rect.width = clamp_t(unsigned int, rect.width,
 875                              TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
 876                              TVP5150_H_MAX - rect.left);
 877         rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
 878
 879         /* Calculate height based on current standard */
 880         if (decoder->norm == V4L2_STD_ALL)
 881                 std = tvp5150_read_std(sd);
 882         else
 883                 std = decoder->norm;
 884
 885         if (std & V4L2_STD_525_60)
 886                 hmax = TVP5150_V_MAX_525_60;
 887         else
 888                 hmax = TVP5150_V_MAX_OTHERS;
 889
 890         rect.height = clamp_t(unsigned int, rect.height,
 891                               hmax - TVP5150_MAX_CROP_TOP - rect.top,
 892                               hmax - rect.top);
 893
 894         tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
 895         tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
 896                       rect.top + rect.height - hmax);
 897         tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
 898                       rect.left >> TVP5150_CROP_SHIFT);
 899         tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
 900                       rect.left | (1 << TVP5150_CROP_SHIFT));
 901         tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
 902                       (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
 903                       TVP5150_CROP_SHIFT);
 904         tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
 905                       rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
 906
 907         decoder->rect = rect;
 908
 909         return 0;
 910 }
 911
 912 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
 913 {
 914         struct tvp5150 *decoder = to_tvp5150(sd);
 915
 916         a->c    = decoder->rect;
 917         a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 918
 919         return 0;
 920 }
 921
 922 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
 923 {
 924         struct tvp5150 *decoder = to_tvp5150(sd);
 925         v4l2_std_id std;
 926
 927         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 928                 return -EINVAL;
 929
 930         a->bounds.left                  = 0;
 931         a->bounds.top                   = 0;
 932         a->bounds.width                 = TVP5150_H_MAX;
 933
 934         /* Calculate height based on current standard */
 935         if (decoder->norm == V4L2_STD_ALL)
 936                 std = tvp5150_read_std(sd);
 937         else
 938                 std = decoder->norm;
 939
 940         if (std & V4L2_STD_525_60)
 941                 a->bounds.height = TVP5150_V_MAX_525_60;
 942         else
 943                 a->bounds.height = TVP5150_V_MAX_OTHERS;
 944
 945         a->defrect                      = a->bounds;
 946         a->pixelaspect.numerator        = 1;
 947         a->pixelaspect.denominator      = 1;
 948
 949         return 0;
 950 }
 951
 952 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
 953                                  struct v4l2_mbus_config *cfg)
 954 {
 955         struct tvp5150 *decoder = to_tvp5150(sd);
 956
 957         cfg->type = decoder->mbus_type;
 958         cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
 959                    | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
 960
 961         return 0;
 962 }
 963
 964 /****************************************************************************
 965                         V4L2 subdev pad ops
 966  ****************************************************************************/
 967 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
 968                 struct v4l2_subdev_pad_config *cfg,
 969                 struct v4l2_subdev_mbus_code_enum *code)
 970 {
 971         if (code->pad || code->index)
 972                 return -EINVAL;
 973
 974         code->code = MEDIA_BUS_FMT_UYVY8_2X8;
 975         return 0;
 976 }
 977
 978 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
 979                                    struct v4l2_subdev_pad_config *cfg,
 980                                    struct v4l2_subdev_frame_size_enum *fse)
 981 {
 982         struct tvp5150 *decoder = to_tvp5150(sd);
 983
 984         if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
 985                 return -EINVAL;
 986
 987         fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
 988         fse->min_width = decoder->rect.width;
 989         fse->max_width = decoder->rect.width;
 990         fse->min_height = decoder->rect.height / 2;
 991         fse->max_height = decoder->rect.height / 2;
 992
 993         return 0;
 994 }
 995
 996 /****************************************************************************
 997                         I2C Command
 998  ****************************************************************************/
 999
1000 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1001 {
1002         struct tvp5150 *decoder = to_tvp5150(sd);
1003         /* Output format: 8-bit ITU-R BT.656 with embedded syncs */
1004         int val = 0x09;
1005
1006         /* Output format: 8-bit 4:2:2 YUV with discrete sync */
1007         if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
1008                 val = 0x0d;
1009
1010         /* Initializes TVP5150 to its default values */
1011         /* # set PCLK (27MHz) */
1012         tvp5150_write(sd, TVP5150_CONF_SHARED_PIN, 0x00);
1013
1014         if (enable)
1015                 tvp5150_write(sd, TVP5150_MISC_CTL, val);
1016         else
1017                 tvp5150_write(sd, TVP5150_MISC_CTL, 0x00);
1018
1019         return 0;
1020 }
1021
1022 static int tvp5150_s_routing(struct v4l2_subdev *sd,
1023                              u32 input, u32 output, u32 config)
1024 {
1025         struct tvp5150 *decoder = to_tvp5150(sd);
1026
1027         decoder->input = input;
1028         decoder->output = output;
1029         tvp5150_selmux(sd);
1030         return 0;
1031 }
1032
1033 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1034 {
1035         /* this is for capturing 36 raw vbi lines
1036            if there's a way to cut off the beginning 2 vbi lines
1037            with the tvp5150 then the vbi line count could be lowered
1038            to 17 lines/field again, although I couldn't find a register
1039            which could do that cropping */
1040         if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1041                 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
1042         if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1043                 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
1044                 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
1045         }
1046         return 0;
1047 }
1048
1049 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1050 {
1051         int i;
1052
1053         if (svbi->service_set != 0) {
1054                 for (i = 0; i <= 23; i++) {
1055                         svbi->service_lines[1][i] = 0;
1056                         svbi->service_lines[0][i] =
1057                                 tvp5150_set_vbi(sd, vbi_ram_default,
1058                                        svbi->service_lines[0][i], 0xf0, i, 3);
1059                 }
1060                 /* Enables FIFO */
1061                 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1062         } else {
1063                 /* Disables FIFO*/
1064                 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1065
1066                 /* Disable Full Field */
1067                 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1068
1069                 /* Disable Line modes */
1070                 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1071                         tvp5150_write(sd, i, 0xff);
1072         }
1073         return 0;
1074 }
1075
1076 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1077 {
1078         int i, mask = 0;
1079
1080         memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1081
1082         for (i = 0; i <= 23; i++) {
1083                 svbi->service_lines[0][i] =
1084                         tvp5150_get_vbi(sd, vbi_ram_default, i);
1085                 mask |= svbi->service_lines[0][i];
1086         }
1087         svbi->service_set = mask;
1088         return 0;
1089 }
1090
1091 #ifdef CONFIG_VIDEO_ADV_DEBUG
1092 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1093 {
1094         int res;
1095
1096         res = tvp5150_read(sd, reg->reg & 0xff);
1097         if (res < 0) {
1098                 v4l2_err(sd, "%s: failed with error = %d\n", __func__, res);
1099                 return res;
1100         }
1101
1102         reg->val = res;
1103         reg->size = 1;
1104         return 0;
1105 }
1106
1107 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1108 {
1109         tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1110         return 0;
1111 }
1112 #endif
1113
1114 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1115 {
1116         int status = tvp5150_read(sd, 0x88);
1117
1118         vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1119         return 0;
1120 }
1121
1122 /* ----------------------------------------------------------------------- */
1123
1124 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1125         .s_ctrl = tvp5150_s_ctrl,
1126 };
1127
1128 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1129         .log_status = tvp5150_log_status,
1130         .reset = tvp5150_reset,
1131 #ifdef CONFIG_VIDEO_ADV_DEBUG
1132         .g_register = tvp5150_g_register,
1133         .s_register = tvp5150_s_register,
1134 #endif
1135 };
1136
1137 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1138         .g_tuner = tvp5150_g_tuner,
1139 };
1140
1141 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1142         .s_std = tvp5150_s_std,
1143         .s_stream = tvp5150_s_stream,
1144         .s_routing = tvp5150_s_routing,
1145         .s_crop = tvp5150_s_crop,
1146         .g_crop = tvp5150_g_crop,
1147         .cropcap = tvp5150_cropcap,
1148         .g_mbus_config = tvp5150_g_mbus_config,
1149 };
1150
1151 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1152         .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1153         .g_sliced_fmt = tvp5150_g_sliced_fmt,
1154         .s_sliced_fmt = tvp5150_s_sliced_fmt,
1155         .s_raw_fmt = tvp5150_s_raw_fmt,
1156 };
1157
1158 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1159         .enum_mbus_code = tvp5150_enum_mbus_code,
1160         .enum_frame_size = tvp5150_enum_frame_size,
1161         .set_fmt = tvp5150_fill_fmt,
1162         .get_fmt = tvp5150_fill_fmt,
1163 };
1164
1165 static const struct v4l2_subdev_ops tvp5150_ops = {
1166         .core = &tvp5150_core_ops,
1167         .tuner = &tvp5150_tuner_ops,
1168         .video = &tvp5150_video_ops,
1169         .vbi = &tvp5150_vbi_ops,
1170         .pad = &tvp5150_pad_ops,
1171 };
1172
1173
1174 /****************************************************************************
1175                         I2C Client & Driver
1176  ****************************************************************************/
1177
1178 static int tvp5150_detect_version(struct tvp5150 *core)
1179 {
1180         struct v4l2_subdev *sd = &core->sd;
1181         struct i2c_client *c = v4l2_get_subdevdata(sd);
1182         unsigned int i;
1183         u16 dev_id;
1184         u16 rom_ver;
1185         u8 regs[4];
1186         int res;
1187
1188         /*
1189          * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1190          * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1191          */
1192         for (i = 0; i < 4; i++) {
1193                 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1194                 if (res < 0)
1195                         return res;
1196                 regs[i] = res;
1197         }
1198
1199         dev_id = (regs[0] << 8) | regs[1];
1200         rom_ver = (regs[2] << 8) | regs[3];
1201
1202         v4l2_info(sd, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1203                   dev_id, regs[2], regs[3], c->addr << 1, c->adapter->name);
1204
1205         if (dev_id == 0x5150 && rom_ver == 0x0321) { /* TVP51510A */
1206                 v4l2_info(sd, "tvp5150a detected.\n");
1207         } else if (dev_id == 0x5150 && rom_ver == 0x0400) { /* TVP5150AM1 */
1208                 v4l2_info(sd, "tvp5150am1 detected.\n");
1209
1210                 /* ITU-T BT.656.4 timing */
1211                 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1212         } else if (dev_id == 0x5151 && rom_ver == 0x0100) { /* TVP5151 */
1213                 v4l2_info(sd, "tvp5151 detected.\n");
1214         } else {
1215                 v4l2_info(sd, "*** unknown tvp%04x chip detected.\n", dev_id);
1216         }
1217
1218         return 0;
1219 }
1220
1221 static int tvp5150_init(struct i2c_client *c)
1222 {
1223         struct gpio_desc *pdn_gpio;
1224         struct gpio_desc *reset_gpio;
1225
1226         pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1227         if (IS_ERR(pdn_gpio))
1228                 return PTR_ERR(pdn_gpio);
1229
1230         if (pdn_gpio) {
1231                 gpiod_set_value_cansleep(pdn_gpio, 0);
1232                 /* Delay time between power supplies active and reset */
1233                 msleep(20);
1234         }
1235
1236         reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1237         if (IS_ERR(reset_gpio))
1238                 return PTR_ERR(reset_gpio);
1239
1240         if (reset_gpio) {
1241                 /* RESETB pulse duration */
1242                 ndelay(500);
1243                 gpiod_set_value_cansleep(reset_gpio, 0);
1244                 /* Delay time between end of reset to I2C active */
1245                 usleep_range(200, 250);
1246         }
1247
1248         return 0;
1249 }
1250
1251 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1252 {
1253         struct v4l2_of_endpoint bus_cfg;
1254         struct device_node *ep;
1255         unsigned int flags;
1256         int ret = 0;
1257
1258         ep = of_graph_get_next_endpoint(np, NULL);
1259         if (!ep)
1260                 return -EINVAL;
1261
1262         ret = v4l2_of_parse_endpoint(ep, &bus_cfg);
1263         if (ret)
1264                 goto err;
1265
1266         flags = bus_cfg.bus.parallel.flags;
1267
1268         if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
1269             !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
1270               flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
1271               flags & V4L2_MBUS_FIELD_EVEN_LOW))
1272                 return -EINVAL;
1273
1274         decoder->mbus_type = bus_cfg.bus_type;
1275
1276 err:
1277         of_node_put(ep);
1278         return ret;
1279 }
1280
1281 static int tvp5150_probe(struct i2c_client *c,
1282                          const struct i2c_device_id *id)
1283 {
1284         struct tvp5150 *core;
1285         struct v4l2_subdev *sd;
1286         struct device_node *np = c->dev.of_node;
1287         int res;
1288
1289         /* Check if the adapter supports the needed features */
1290         if (!i2c_check_functionality(c->adapter,
1291              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1292                 return -EIO;
1293
1294         res = tvp5150_init(c);
1295         if (res)
1296                 return res;
1297
1298         core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1299         if (!core)
1300                 return -ENOMEM;
1301
1302         sd = &core->sd;
1303
1304         if (IS_ENABLED(CONFIG_OF) && np) {
1305                 res = tvp5150_parse_dt(core, np);
1306                 if (res) {
1307                         v4l2_err(sd, "DT parsing error: %d\n", res);
1308                         return res;
1309                 }
1310         } else {
1311                 /* Default to BT.656 embedded sync */
1312                 core->mbus_type = V4L2_MBUS_BT656;
1313         }
1314
1315         v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1316         sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1317
1318 #if defined(CONFIG_MEDIA_CONTROLLER)
1319         core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
1320         core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
1321         core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
1322
1323         sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1324
1325         res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads);
1326         if (res < 0)
1327                 return res;
1328 #endif
1329
1330         res = tvp5150_detect_version(core);
1331         if (res < 0)
1332                 return res;
1333
1334         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1335         core->input = TVP5150_COMPOSITE1;
1336         core->enable = 1;
1337
1338         v4l2_ctrl_handler_init(&core->hdl, 5);
1339         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1340                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1341         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1342                         V4L2_CID_CONTRAST, 0, 255, 1, 128);
1343         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1344                         V4L2_CID_SATURATION, 0, 255, 1, 128);
1345         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1346                         V4L2_CID_HUE, -128, 127, 1, 0);
1347         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1348                         V4L2_CID_PIXEL_RATE, 27000000,
1349                         27000000, 1, 27000000);
1350         sd->ctrl_handler = &core->hdl;
1351         if (core->hdl.error) {
1352                 res = core->hdl.error;
1353                 goto err;
1354         }
1355         v4l2_ctrl_handler_setup(&core->hdl);
1356
1357         /* Default is no cropping */
1358         core->rect.top = 0;
1359         if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1360                 core->rect.height = TVP5150_V_MAX_525_60;
1361         else
1362                 core->rect.height = TVP5150_V_MAX_OTHERS;
1363         core->rect.left = 0;
1364         core->rect.width = TVP5150_H_MAX;
1365
1366         res = v4l2_async_register_subdev(sd);
1367         if (res < 0)
1368                 goto err;
1369
1370         if (debug > 1)
1371                 tvp5150_log_status(sd);
1372         return 0;
1373
1374 err:
1375         v4l2_ctrl_handler_free(&core->hdl);
1376         return res;
1377 }
1378
1379 static int tvp5150_remove(struct i2c_client *c)
1380 {
1381         struct v4l2_subdev *sd = i2c_get_clientdata(c);
1382         struct tvp5150 *decoder = to_tvp5150(sd);
1383
1384         v4l2_dbg(1, debug, sd,
1385                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1386                 c->addr << 1);
1387
1388         v4l2_async_unregister_subdev(sd);
1389         v4l2_ctrl_handler_free(&decoder->hdl);
1390         return 0;
1391 }
1392
1393 /* ----------------------------------------------------------------------- */
1394
1395 static const struct i2c_device_id tvp5150_id[] = {
1396         { "tvp5150", 0 },
1397         { }
1398 };
1399 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1400
1401 #if IS_ENABLED(CONFIG_OF)
1402 static const struct of_device_id tvp5150_of_match[] = {
1403         { .compatible = "ti,tvp5150", },
1404         { /* sentinel */ },
1405 };
1406 MODULE_DEVICE_TABLE(of, tvp5150_of_match);
1407 #endif
1408
1409 static struct i2c_driver tvp5150_driver = {
1410         .driver = {
1411                 .of_match_table = of_match_ptr(tvp5150_of_match),
1412                 .name   = "tvp5150",
1413         },
1414         .probe          = tvp5150_probe,
1415         .remove         = tvp5150_remove,
1416         .id_table       = tvp5150_id,
1417 };
1418
1419 module_i2c_driver(tvp5150_driver);