drivers/media/i2c/tvp5150.c

   1 /*
   2  * tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 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 <dt-bindings/media/tvp5150.h>
   9 #include <linux/i2c.h>
  10 #include <linux/slab.h>
  11 #include <linux/videodev2.h>
  12 #include <linux/delay.h>
  13 #include <linux/gpio/consumer.h>
  14 #include <linux/module.h>
  15 #include <media/v4l2-async.h>
  16 #include <media/v4l2-device.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/TVP5150AM1/TVP5151 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         struct media_entity input_ent[TVP5150_INPUT_NUM];
  44         struct media_pad input_pad[TVP5150_INPUT_NUM];
  45 #endif
  46         struct v4l2_ctrl_handler hdl;
  47         struct v4l2_rect rect;
  48
  49         v4l2_std_id norm;       /* Current set standard */
  50         u32 input;
  51         u32 output;
  52         int enable;
  53
  54         u16 dev_id;
  55         u16 rom_ver;
  56
  57         enum v4l2_mbus_type mbus_type;
  58 };
  59
  60 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
  61 {
  62         return container_of(sd, struct tvp5150, sd);
  63 }
  64
  65 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  66 {
  67         return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
  68 }
  69
  70 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
  71 {
  72         struct i2c_client *c = v4l2_get_subdevdata(sd);
  73         int rc;
  74
  75         rc = i2c_smbus_read_byte_data(c, addr);
  76         if (rc < 0) {
  77                 v4l2_err(sd, "i2c i/o error: rc == %d\n", rc);
  78                 return rc;
  79         }
  80
  81         v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, rc);
  82
  83         return rc;
  84 }
  85
  86 static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
  87                                  unsigned char value)
  88 {
  89         struct i2c_client *c = v4l2_get_subdevdata(sd);
  90         int rc;
  91
  92         v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", addr, value);
  93         rc = i2c_smbus_write_byte_data(c, addr, value);
  94         if (rc < 0)
  95                 v4l2_err(sd, "i2c i/o error: rc == %d\n", rc);
  96
  97         return rc;
  98 }
  99
 100 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
 101                                 const u8 end, int max_line)
 102 {
 103         int i = 0;
 104
 105         while (init != (u8)(end + 1)) {
 106                 if ((i % max_line) == 0) {
 107                         if (i > 0)
 108                                 printk("\n");
 109                         printk("tvp5150: %s reg 0x%02x = ", s, init);
 110                 }
 111                 printk("%02x ", tvp5150_read(sd, init));
 112
 113                 init++;
 114                 i++;
 115         }
 116         printk("\n");
 117 }
 118
 119 static int tvp5150_log_status(struct v4l2_subdev *sd)
 120 {
 121         printk("tvp5150: Video input source selection #1 = 0x%02x\n",
 122                         tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
 123         printk("tvp5150: Analog channel controls = 0x%02x\n",
 124                         tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
 125         printk("tvp5150: Operation mode controls = 0x%02x\n",
 126                         tvp5150_read(sd, TVP5150_OP_MODE_CTL));
 127         printk("tvp5150: Miscellaneous controls = 0x%02x\n",
 128                         tvp5150_read(sd, TVP5150_MISC_CTL));
 129         printk("tvp5150: Autoswitch mask= 0x%02x\n",
 130                         tvp5150_read(sd, TVP5150_AUTOSW_MSK));
 131         printk("tvp5150: Color killer threshold control = 0x%02x\n",
 132                         tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
 133         printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
 134                         tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
 135                         tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
 136                         tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
 137         printk("tvp5150: Brightness control = 0x%02x\n",
 138                         tvp5150_read(sd, TVP5150_BRIGHT_CTL));
 139         printk("tvp5150: Color saturation control = 0x%02x\n",
 140                         tvp5150_read(sd, TVP5150_SATURATION_CTL));
 141         printk("tvp5150: Hue control = 0x%02x\n",
 142                         tvp5150_read(sd, TVP5150_HUE_CTL));
 143         printk("tvp5150: Contrast control = 0x%02x\n",
 144                         tvp5150_read(sd, TVP5150_CONTRAST_CTL));
 145         printk("tvp5150: Outputs and data rates select = 0x%02x\n",
 146                         tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
 147         printk("tvp5150: Configuration shared pins = 0x%02x\n",
 148                         tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
 149         printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
 150                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
 151                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
 152         printk("tvp5150: Active video cropping stop  = 0x%02x%02x\n",
 153                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
 154                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
 155         printk("tvp5150: Genlock/RTC = 0x%02x\n",
 156                         tvp5150_read(sd, TVP5150_GENLOCK));
 157         printk("tvp5150: Horizontal sync start = 0x%02x\n",
 158                         tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
 159         printk("tvp5150: Vertical blanking start = 0x%02x\n",
 160                         tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
 161         printk("tvp5150: Vertical blanking stop = 0x%02x\n",
 162                         tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
 163         printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
 164                         tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
 165                         tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
 166         printk("tvp5150: Interrupt reset register B = 0x%02x\n",
 167                         tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
 168         printk("tvp5150: Interrupt enable register B = 0x%02x\n",
 169                         tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
 170         printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
 171                         tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
 172         printk("tvp5150: Video standard = 0x%02x\n",
 173                         tvp5150_read(sd, TVP5150_VIDEO_STD));
 174         printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
 175                         tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
 176                         tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
 177         printk("tvp5150: Macrovision on counter = 0x%02x\n",
 178                         tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
 179         printk("tvp5150: Macrovision off counter = 0x%02x\n",
 180                         tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
 181         printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
 182                         (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
 183         printk("tvp5150: Device ID = %02x%02x\n",
 184                         tvp5150_read(sd, TVP5150_MSB_DEV_ID),
 185                         tvp5150_read(sd, TVP5150_LSB_DEV_ID));
 186         printk("tvp5150: ROM version = (hex) %02x.%02x\n",
 187                         tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
 188                         tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
 189         printk("tvp5150: Vertical line count = 0x%02x%02x\n",
 190                         tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
 191                         tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
 192         printk("tvp5150: Interrupt status register B = 0x%02x\n",
 193                         tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
 194         printk("tvp5150: Interrupt active register B = 0x%02x\n",
 195                         tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
 196         printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
 197                         tvp5150_read(sd, TVP5150_STATUS_REG_1),
 198                         tvp5150_read(sd, TVP5150_STATUS_REG_2),
 199                         tvp5150_read(sd, TVP5150_STATUS_REG_3),
 200                         tvp5150_read(sd, TVP5150_STATUS_REG_4),
 201                         tvp5150_read(sd, TVP5150_STATUS_REG_5));
 202
 203         dump_reg_range(sd, "Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
 204                         TVP5150_TELETEXT_FIL1_END, 8);
 205         dump_reg_range(sd, "Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
 206                         TVP5150_TELETEXT_FIL2_END, 8);
 207
 208         printk("tvp5150: Teletext filter enable = 0x%02x\n",
 209                         tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
 210         printk("tvp5150: Interrupt status register A = 0x%02x\n",
 211                         tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
 212         printk("tvp5150: Interrupt enable register A = 0x%02x\n",
 213                         tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
 214         printk("tvp5150: Interrupt configuration = 0x%02x\n",
 215                         tvp5150_read(sd, TVP5150_INT_CONF));
 216         printk("tvp5150: VDP status register = 0x%02x\n",
 217                         tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
 218         printk("tvp5150: FIFO word count = 0x%02x\n",
 219                         tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
 220         printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
 221                         tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
 222         printk("tvp5150: FIFO reset = 0x%02x\n",
 223                         tvp5150_read(sd, TVP5150_FIFO_RESET));
 224         printk("tvp5150: Line number interrupt = 0x%02x\n",
 225                         tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
 226         printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
 227                         tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
 228                         tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
 229         printk("tvp5150: FIFO output control = 0x%02x\n",
 230                         tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
 231         printk("tvp5150: Full field enable = 0x%02x\n",
 232                         tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
 233         printk("tvp5150: Full field mode register = 0x%02x\n",
 234                         tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
 235
 236         dump_reg_range(sd, "CC   data",   TVP5150_CC_DATA_INI,
 237                         TVP5150_CC_DATA_END, 8);
 238
 239         dump_reg_range(sd, "WSS  data",   TVP5150_WSS_DATA_INI,
 240                         TVP5150_WSS_DATA_END, 8);
 241
 242         dump_reg_range(sd, "VPS  data",   TVP5150_VPS_DATA_INI,
 243                         TVP5150_VPS_DATA_END, 8);
 244
 245         dump_reg_range(sd, "VITC data",   TVP5150_VITC_DATA_INI,
 246                         TVP5150_VITC_DATA_END, 10);
 247
 248         dump_reg_range(sd, "Line mode",   TVP5150_LINE_MODE_INI,
 249                         TVP5150_LINE_MODE_END, 8);
 250         return 0;
 251 }
 252
 253 /****************************************************************************
 254                         Basic functions
 255  ****************************************************************************/
 256
 257 static inline void tvp5150_selmux(struct v4l2_subdev *sd)
 258 {
 259         int opmode = 0;
 260         struct tvp5150 *decoder = to_tvp5150(sd);
 261         int input = 0;
 262         int val;
 263
 264         /* Only tvp5150am1 and tvp5151 have signal generator support */
 265         if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
 266             (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
 267                 if (!decoder->enable)
 268                         input = 8;
 269         }
 270
 271         switch (decoder->input) {
 272         case TVP5150_COMPOSITE1:
 273                 input |= 2;
 274                 /* fall through */
 275         case TVP5150_COMPOSITE0:
 276                 break;
 277         case TVP5150_SVIDEO:
 278         default:
 279                 input |= 1;
 280                 break;
 281         }
 282
 283         v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i "
 284                         "=> tvp5150 input=%i, opmode=%i\n",
 285                         decoder->input, decoder->output,
 286                         input, opmode);
 287
 288         tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
 289         tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
 290
 291         /* Svideo should enable YCrCb output and disable GPCL output
 292          * For Composite and TV, it should be the reverse
 293          */
 294         val = tvp5150_read(sd, TVP5150_MISC_CTL);
 295         if (val < 0) {
 296                 v4l2_err(sd, "%s: failed with error = %d\n", __func__, val);
 297                 return;
 298         }
 299
 300         if (decoder->input == TVP5150_SVIDEO)
 301                 val = (val & ~0x40) | 0x10;
 302         else
 303                 val = (val & ~0x10) | 0x40;
 304         tvp5150_write(sd, TVP5150_MISC_CTL, val);
 305 };
 306
 307 struct i2c_reg_value {
 308         unsigned char reg;
 309         unsigned char value;
 310 };
 311
 312 /* Default values as sugested at TVP5150AM1 datasheet */
 313 static const struct i2c_reg_value tvp5150_init_default[] = {
 314         { /* 0x00 */
 315                 TVP5150_VD_IN_SRC_SEL_1,0x00
 316         },
 317         { /* 0x01 */
 318                 TVP5150_ANAL_CHL_CTL,0x15
 319         },
 320         { /* 0x02 */
 321                 TVP5150_OP_MODE_CTL,0x00
 322         },
 323         { /* 0x03 */
 324                 TVP5150_MISC_CTL,0x01
 325         },
 326         { /* 0x06 */
 327                 TVP5150_COLOR_KIL_THSH_CTL,0x10
 328         },
 329         { /* 0x07 */
 330                 TVP5150_LUMA_PROC_CTL_1,0x60
 331         },
 332         { /* 0x08 */
 333                 TVP5150_LUMA_PROC_CTL_2,0x00
 334         },
 335         { /* 0x09 */
 336                 TVP5150_BRIGHT_CTL,0x80
 337         },
 338         { /* 0x0a */
 339                 TVP5150_SATURATION_CTL,0x80
 340         },
 341         { /* 0x0b */
 342                 TVP5150_HUE_CTL,0x00
 343         },
 344         { /* 0x0c */
 345                 TVP5150_CONTRAST_CTL,0x80
 346         },
 347         { /* 0x0d */
 348                 TVP5150_DATA_RATE_SEL,0x47
 349         },
 350         { /* 0x0e */
 351                 TVP5150_LUMA_PROC_CTL_3,0x00
 352         },
 353         { /* 0x0f */
 354                 TVP5150_CONF_SHARED_PIN,0x08
 355         },
 356         { /* 0x11 */
 357                 TVP5150_ACT_VD_CROP_ST_MSB,0x00
 358         },
 359         { /* 0x12 */
 360                 TVP5150_ACT_VD_CROP_ST_LSB,0x00
 361         },
 362         { /* 0x13 */
 363                 TVP5150_ACT_VD_CROP_STP_MSB,0x00
 364         },
 365         { /* 0x14 */
 366                 TVP5150_ACT_VD_CROP_STP_LSB,0x00
 367         },
 368         { /* 0x15 */
 369                 TVP5150_GENLOCK,0x01
 370         },
 371         { /* 0x16 */
 372                 TVP5150_HORIZ_SYNC_START,0x80
 373         },
 374         { /* 0x18 */
 375                 TVP5150_VERT_BLANKING_START,0x00
 376         },
 377         { /* 0x19 */
 378                 TVP5150_VERT_BLANKING_STOP,0x00
 379         },
 380         { /* 0x1a */
 381                 TVP5150_CHROMA_PROC_CTL_1,0x0c
 382         },
 383         { /* 0x1b */
 384                 TVP5150_CHROMA_PROC_CTL_2,0x14
 385         },
 386         { /* 0x1c */
 387                 TVP5150_INT_RESET_REG_B,0x00
 388         },
 389         { /* 0x1d */
 390                 TVP5150_INT_ENABLE_REG_B,0x00
 391         },
 392         { /* 0x1e */
 393                 TVP5150_INTT_CONFIG_REG_B,0x00
 394         },
 395         { /* 0x28 */
 396                 TVP5150_VIDEO_STD,0x00
 397         },
 398         { /* 0x2e */
 399                 TVP5150_MACROVISION_ON_CTR,0x0f
 400         },
 401         { /* 0x2f */
 402                 TVP5150_MACROVISION_OFF_CTR,0x01
 403         },
 404         { /* 0xbb */
 405                 TVP5150_TELETEXT_FIL_ENA,0x00
 406         },
 407         { /* 0xc0 */
 408                 TVP5150_INT_STATUS_REG_A,0x00
 409         },
 410         { /* 0xc1 */
 411                 TVP5150_INT_ENABLE_REG_A,0x00
 412         },
 413         { /* 0xc2 */
 414                 TVP5150_INT_CONF,0x04
 415         },
 416         { /* 0xc8 */
 417                 TVP5150_FIFO_INT_THRESHOLD,0x80
 418         },
 419         { /* 0xc9 */
 420                 TVP5150_FIFO_RESET,0x00
 421         },
 422         { /* 0xca */
 423                 TVP5150_LINE_NUMBER_INT,0x00
 424         },
 425         { /* 0xcb */
 426                 TVP5150_PIX_ALIGN_REG_LOW,0x4e
 427         },
 428         { /* 0xcc */
 429                 TVP5150_PIX_ALIGN_REG_HIGH,0x00
 430         },
 431         { /* 0xcd */
 432                 TVP5150_FIFO_OUT_CTRL,0x01
 433         },
 434         { /* 0xcf */
 435                 TVP5150_FULL_FIELD_ENA,0x00
 436         },
 437         { /* 0xd0 */
 438                 TVP5150_LINE_MODE_INI,0x00
 439         },
 440         { /* 0xfc */
 441                 TVP5150_FULL_FIELD_MODE_REG,0x7f
 442         },
 443         { /* end of data */
 444                 0xff,0xff
 445         }
 446 };
 447
 448 /* Default values as sugested at TVP5150AM1 datasheet */
 449 static const struct i2c_reg_value tvp5150_init_enable[] = {
 450         {
 451                 TVP5150_CONF_SHARED_PIN, 2
 452         },{     /* Automatic offset and AGC enabled */
 453                 TVP5150_ANAL_CHL_CTL, 0x15
 454         },{     /* Activate YCrCb output 0x9 or 0xd ? */
 455                 TVP5150_MISC_CTL, 0x6f
 456         },{     /* Activates video std autodetection for all standards */
 457                 TVP5150_AUTOSW_MSK, 0x0
 458         },{     /* Default format: 0x47. For 4:2:2: 0x40 */
 459                 TVP5150_DATA_RATE_SEL, 0x47
 460         },{
 461                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 462         },{
 463                 TVP5150_CHROMA_PROC_CTL_2, 0x54
 464         },{     /* Non documented, but initialized on WinTV USB2 */
 465                 0x27, 0x20
 466         },{
 467                 0xff,0xff
 468         }
 469 };
 470
 471 struct tvp5150_vbi_type {
 472         unsigned int vbi_type;
 473         unsigned int ini_line;
 474         unsigned int end_line;
 475         unsigned int by_field :1;
 476 };
 477
 478 struct i2c_vbi_ram_value {
 479         u16 reg;
 480         struct tvp5150_vbi_type type;
 481         unsigned char values[16];
 482 };
 483
 484 /* This struct have the values for each supported VBI Standard
 485  * by
 486  tvp5150_vbi_types should follow the same order as vbi_ram_default
 487  * value 0 means rom position 0x10, value 1 means rom position 0x30
 488  * and so on. There are 16 possible locations from 0 to 15.
 489  */
 490
 491 static struct i2c_vbi_ram_value vbi_ram_default[] =
 492 {
 493         /* FIXME: Current api doesn't handle all VBI types, those not
 494            yet supported are placed under #if 0 */
 495 #if 0
 496         {0x010, /* Teletext, SECAM, WST System A */
 497                 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
 498                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 499                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 500         },
 501 #endif
 502         {0x030, /* Teletext, PAL, WST System B */
 503                 {V4L2_SLICED_TELETEXT_B,6,22,1},
 504                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 505                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 506         },
 507 #if 0
 508         {0x050, /* Teletext, PAL, WST System C */
 509                 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
 510                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 511                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 512         },
 513         {0x070, /* Teletext, NTSC, WST System B */
 514                 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
 515                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 516                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 517         },
 518         {0x090, /* Tetetext, NTSC NABTS System C */
 519                 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
 520                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 521                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 522         },
 523         {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 524                 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
 525                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 526                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 527         },
 528         {0x0d0, /* Closed Caption, PAL/SECAM */
 529                 {V4L2_SLICED_CAPTION_625,22,22,1},
 530                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 531                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 532         },
 533 #endif
 534         {0x0f0, /* Closed Caption, NTSC */
 535                 {V4L2_SLICED_CAPTION_525,21,21,1},
 536                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 537                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 538         },
 539         {0x110, /* Wide Screen Signal, PAL/SECAM */
 540                 {V4L2_SLICED_WSS_625,23,23,1},
 541                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 542                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 543         },
 544 #if 0
 545         {0x130, /* Wide Screen Signal, NTSC C */
 546                 {V4L2_SLICED_WSS_525,20,20,1},
 547                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 548                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 549         },
 550         {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 551                 {V4l2_SLICED_VITC_625,6,22,0},
 552                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 553                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 554         },
 555         {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 556                 {V4l2_SLICED_VITC_525,10,20,0},
 557                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 558                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 559         },
 560 #endif
 561         {0x190, /* Video Program System (VPS), PAL */
 562                 {V4L2_SLICED_VPS,16,16,0},
 563                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 564                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 565         },
 566         /* 0x1d0 User programmable */
 567
 568         /* End of struct */
 569         { (u16)-1 }
 570 };
 571
 572 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
 573                                 const struct i2c_reg_value *regs)
 574 {
 575         while (regs->reg != 0xff) {
 576                 tvp5150_write(sd, regs->reg, regs->value);
 577                 regs++;
 578         }
 579         return 0;
 580 }
 581
 582 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
 583                                 const struct i2c_vbi_ram_value *regs)
 584 {
 585         unsigned int i;
 586
 587         /* Disable Full Field */
 588         tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
 589
 590         /* Before programming, Line mode should be at 0xff */
 591         for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
 592                 tvp5150_write(sd, i, 0xff);
 593
 594         /* Load Ram Table */
 595         while (regs->reg != (u16)-1) {
 596                 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
 597                 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
 598
 599                 for (i = 0; i < 16; i++)
 600                         tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
 601
 602                 regs++;
 603         }
 604         return 0;
 605 }
 606
 607 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 608 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
 609                                 struct v4l2_sliced_vbi_cap *cap)
 610 {
 611         const struct i2c_vbi_ram_value *regs = vbi_ram_default;
 612         int line;
 613
 614         v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n");
 615         memset(cap, 0, sizeof *cap);
 616
 617         while (regs->reg != (u16)-1 ) {
 618                 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
 619                         cap->service_lines[0][line] |= regs->type.vbi_type;
 620                 }
 621                 cap->service_set |= regs->type.vbi_type;
 622
 623                 regs++;
 624         }
 625         return 0;
 626 }
 627
 628 /* Set vbi processing
 629  * type - one of tvp5150_vbi_types
 630  * line - line to gather data
 631  * fields: bit 0 field1, bit 1, field2
 632  * flags (default=0xf0) is a bitmask, were set means:
 633  *      bit 7: enable filtering null bytes on CC
 634  *      bit 6: send data also to FIFO
 635  *      bit 5: don't allow data with errors on FIFO
 636  *      bit 4: enable ECC when possible
 637  * pix_align = pix alignment:
 638  *      LSB = field1
 639  *      MSB = field2
 640  */
 641 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 642                         const struct i2c_vbi_ram_value *regs,
 643                         unsigned int type,u8 flags, int line,
 644                         const int fields)
 645 {
 646         struct tvp5150 *decoder = to_tvp5150(sd);
 647         v4l2_std_id std = decoder->norm;
 648         u8 reg;
 649         int pos=0;
 650
 651         if (std == V4L2_STD_ALL) {
 652                 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
 653                 return 0;
 654         } else if (std & V4L2_STD_625_50) {
 655                 /* Don't follow NTSC Line number convension */
 656                 line += 3;
 657         }
 658
 659         if (line<6||line>27)
 660                 return 0;
 661
 662         while (regs->reg != (u16)-1 ) {
 663                 if ((type & regs->type.vbi_type) &&
 664                     (line>=regs->type.ini_line) &&
 665                     (line<=regs->type.end_line)) {
 666                         type=regs->type.vbi_type;
 667                         break;
 668                 }
 669
 670                 regs++;
 671                 pos++;
 672         }
 673         if (regs->reg == (u16)-1)
 674                 return 0;
 675
 676         type=pos | (flags & 0xf0);
 677         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 678
 679         if (fields&1) {
 680                 tvp5150_write(sd, reg, type);
 681         }
 682
 683         if (fields&2) {
 684                 tvp5150_write(sd, reg+1, type);
 685         }
 686
 687         return type;
 688 }
 689
 690 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
 691                         const struct i2c_vbi_ram_value *regs, int line)
 692 {
 693         struct tvp5150 *decoder = to_tvp5150(sd);
 694         v4l2_std_id std = decoder->norm;
 695         u8 reg;
 696         int pos, type = 0;
 697         int i, ret = 0;
 698
 699         if (std == V4L2_STD_ALL) {
 700                 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
 701                 return 0;
 702         } else if (std & V4L2_STD_625_50) {
 703                 /* Don't follow NTSC Line number convension */
 704                 line += 3;
 705         }
 706
 707         if (line < 6 || line > 27)
 708                 return 0;
 709
 710         reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 711
 712         for (i = 0; i <= 1; i++) {
 713                 ret = tvp5150_read(sd, reg + i);
 714                 if (ret < 0) {
 715                         v4l2_err(sd, "%s: failed with error = %d\n",
 716                                  __func__, ret);
 717                         return 0;
 718                 }
 719                 pos = ret & 0x0f;
 720                 if (pos < 0x0f)
 721                         type |= regs[pos].type.vbi_type;
 722         }
 723
 724         return type;
 725 }
 726
 727 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
 728 {
 729         struct tvp5150 *decoder = to_tvp5150(sd);
 730         int fmt = 0;
 731
 732         decoder->norm = std;
 733
 734         /* First tests should be against specific std */
 735
 736         if (std == V4L2_STD_NTSC_443) {
 737                 fmt = VIDEO_STD_NTSC_4_43_BIT;
 738         } else if (std == V4L2_STD_PAL_M) {
 739                 fmt = VIDEO_STD_PAL_M_BIT;
 740         } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
 741                 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
 742         } else {
 743                 /* Then, test against generic ones */
 744                 if (std & V4L2_STD_NTSC)
 745                         fmt = VIDEO_STD_NTSC_MJ_BIT;
 746                 else if (std & V4L2_STD_PAL)
 747                         fmt = VIDEO_STD_PAL_BDGHIN_BIT;
 748                 else if (std & V4L2_STD_SECAM)
 749                         fmt = VIDEO_STD_SECAM_BIT;
 750         }
 751
 752         v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt);
 753         tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
 754         return 0;
 755 }
 756
 757 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 758 {
 759         struct tvp5150 *decoder = to_tvp5150(sd);
 760
 761         if (decoder->norm == std)
 762                 return 0;
 763
 764         /* Change cropping height limits */
 765         if (std & V4L2_STD_525_60)
 766                 decoder->rect.height = TVP5150_V_MAX_525_60;
 767         else
 768                 decoder->rect.height = TVP5150_V_MAX_OTHERS;
 769
 770
 771         return tvp5150_set_std(sd, std);
 772 }
 773
 774 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
 775 {
 776         struct tvp5150 *decoder = to_tvp5150(sd);
 777
 778         /* Initializes TVP5150 to its default values */
 779         tvp5150_write_inittab(sd, tvp5150_init_default);
 780
 781         /* Initializes VDP registers */
 782         tvp5150_vdp_init(sd, vbi_ram_default);
 783
 784         /* Selects decoder input */
 785         tvp5150_selmux(sd);
 786
 787         /* Initializes TVP5150 to stream enabled values */
 788         tvp5150_write_inittab(sd, tvp5150_init_enable);
 789
 790         /* Initialize image preferences */
 791         v4l2_ctrl_handler_setup(&decoder->hdl);
 792
 793         tvp5150_set_std(sd, decoder->norm);
 794
 795         if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
 796                 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40);
 797
 798         return 0;
 799 };
 800
 801 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
 802 {
 803         struct v4l2_subdev *sd = to_sd(ctrl);
 804         struct tvp5150 *decoder = to_tvp5150(sd);
 805
 806         switch (ctrl->id) {
 807         case V4L2_CID_BRIGHTNESS:
 808                 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
 809                 return 0;
 810         case V4L2_CID_CONTRAST:
 811                 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
 812                 return 0;
 813         case V4L2_CID_SATURATION:
 814                 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
 815                 return 0;
 816         case V4L2_CID_HUE:
 817                 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
 818         case V4L2_CID_TEST_PATTERN:
 819                 decoder->enable = ctrl->val ? false : true;
 820                 tvp5150_selmux(sd);
 821                 return 0;
 822         }
 823         return -EINVAL;
 824 }
 825
 826 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
 827 {
 828         int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
 829
 830         switch (val & 0x0F) {
 831         case 0x01:
 832                 return V4L2_STD_NTSC;
 833         case 0x03:
 834                 return V4L2_STD_PAL;
 835         case 0x05:
 836                 return V4L2_STD_PAL_M;
 837         case 0x07:
 838                 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
 839         case 0x09:
 840                 return V4L2_STD_NTSC_443;
 841         case 0xb:
 842                 return V4L2_STD_SECAM;
 843         default:
 844                 return V4L2_STD_UNKNOWN;
 845         }
 846 }
 847
 848 static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
 849                 struct v4l2_subdev_pad_config *cfg,
 850                 struct v4l2_subdev_format *format)
 851 {
 852         struct v4l2_mbus_framefmt *f;
 853         struct tvp5150 *decoder = to_tvp5150(sd);
 854
 855         if (!format || format->pad)
 856                 return -EINVAL;
 857
 858         f = &format->format;
 859
 860         tvp5150_reset(sd, 0);
 861
 862         f->width = decoder->rect.width;
 863         f->height = decoder->rect.height / 2;
 864
 865         f->code = MEDIA_BUS_FMT_UYVY8_2X8;
 866         f->field = V4L2_FIELD_ALTERNATE;
 867         f->colorspace = V4L2_COLORSPACE_SMPTE170M;
 868
 869         v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width,
 870                         f->height);
 871         return 0;
 872 }
 873
 874 static int tvp5150_set_selection(struct v4l2_subdev *sd,
 875                                  struct v4l2_subdev_pad_config *cfg,
 876                                  struct v4l2_subdev_selection *sel)
 877 {
 878         struct tvp5150 *decoder = to_tvp5150(sd);
 879         struct v4l2_rect rect = sel->r;
 880         v4l2_std_id std;
 881         int hmax;
 882
 883         if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE ||
 884             sel->target != V4L2_SEL_TGT_CROP)
 885                 return -EINVAL;
 886
 887         v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n",
 888                 __func__, rect.left, rect.top, rect.width, rect.height);
 889
 890         /* tvp5150 has some special limits */
 891         rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
 892         rect.width = clamp_t(unsigned int, rect.width,
 893                              TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
 894                              TVP5150_H_MAX - rect.left);
 895         rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
 896
 897         /* Calculate height based on current standard */
 898         if (decoder->norm == V4L2_STD_ALL)
 899                 std = tvp5150_read_std(sd);
 900         else
 901                 std = decoder->norm;
 902
 903         if (std & V4L2_STD_525_60)
 904                 hmax = TVP5150_V_MAX_525_60;
 905         else
 906                 hmax = TVP5150_V_MAX_OTHERS;
 907
 908         rect.height = clamp_t(unsigned int, rect.height,
 909                               hmax - TVP5150_MAX_CROP_TOP - rect.top,
 910                               hmax - rect.top);
 911
 912         tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
 913         tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
 914                       rect.top + rect.height - hmax);
 915         tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
 916                       rect.left >> TVP5150_CROP_SHIFT);
 917         tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
 918                       rect.left | (1 << TVP5150_CROP_SHIFT));
 919         tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
 920                       (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
 921                       TVP5150_CROP_SHIFT);
 922         tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
 923                       rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
 924
 925         decoder->rect = rect;
 926
 927         return 0;
 928 }
 929
 930 static int tvp5150_get_selection(struct v4l2_subdev *sd,
 931                                  struct v4l2_subdev_pad_config *cfg,
 932                                  struct v4l2_subdev_selection *sel)
 933 {
 934         struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
 935         v4l2_std_id std;
 936
 937         if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
 938                 return -EINVAL;
 939
 940         switch (sel->target) {
 941         case V4L2_SEL_TGT_CROP_BOUNDS:
 942         case V4L2_SEL_TGT_CROP_DEFAULT:
 943                 sel->r.left = 0;
 944                 sel->r.top = 0;
 945                 sel->r.width = TVP5150_H_MAX;
 946
 947                 /* Calculate height based on current standard */
 948                 if (decoder->norm == V4L2_STD_ALL)
 949                         std = tvp5150_read_std(sd);
 950                 else
 951                         std = decoder->norm;
 952                 if (std & V4L2_STD_525_60)
 953                         sel->r.height = TVP5150_V_MAX_525_60;
 954                 else
 955                         sel->r.height = TVP5150_V_MAX_OTHERS;
 956                 return 0;
 957         case V4L2_SEL_TGT_CROP:
 958                 sel->r = decoder->rect;
 959                 return 0;
 960         default:
 961                 return -EINVAL;
 962         }
 963 }
 964
 965 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
 966                                  struct v4l2_mbus_config *cfg)
 967 {
 968         struct tvp5150 *decoder = to_tvp5150(sd);
 969
 970         cfg->type = decoder->mbus_type;
 971         cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
 972                    | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
 973
 974         return 0;
 975 }
 976
 977 /****************************************************************************
 978                         V4L2 subdev pad ops
 979  ****************************************************************************/
 980 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
 981                 struct v4l2_subdev_pad_config *cfg,
 982                 struct v4l2_subdev_mbus_code_enum *code)
 983 {
 984         if (code->pad || code->index)
 985                 return -EINVAL;
 986
 987         code->code = MEDIA_BUS_FMT_UYVY8_2X8;
 988         return 0;
 989 }
 990
 991 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
 992                                    struct v4l2_subdev_pad_config *cfg,
 993                                    struct v4l2_subdev_frame_size_enum *fse)
 994 {
 995         struct tvp5150 *decoder = to_tvp5150(sd);
 996
 997         if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
 998                 return -EINVAL;
 999
1000         fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
1001         fse->min_width = decoder->rect.width;
1002         fse->max_width = decoder->rect.width;
1003         fse->min_height = decoder->rect.height / 2;
1004         fse->max_height = decoder->rect.height / 2;
1005
1006         return 0;
1007 }
1008
1009 /****************************************************************************
1010                         Media entity ops
1011  ****************************************************************************/
1012
1013 static int tvp5150_link_setup(struct media_entity *entity,
1014                               const struct media_pad *local,
1015                               const struct media_pad *remote, u32 flags)
1016 {
1017 #ifdef CONFIG_MEDIA_CONTROLLER
1018         struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1019         struct tvp5150 *decoder = to_tvp5150(sd);
1020         int i;
1021
1022         for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1023                 if (remote->entity == &decoder->input_ent[i])
1024                         break;
1025         }
1026
1027         /* Do nothing for entities that are not input connectors */
1028         if (i == TVP5150_INPUT_NUM)
1029                 return 0;
1030
1031         decoder->input = i;
1032
1033         tvp5150_selmux(sd);
1034 #endif
1035
1036         return 0;
1037 }
1038
1039 static const struct media_entity_operations tvp5150_sd_media_ops = {
1040         .link_setup = tvp5150_link_setup,
1041 };
1042
1043 /****************************************************************************
1044                         I2C Command
1045  ****************************************************************************/
1046
1047 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1048 {
1049         struct tvp5150 *decoder = to_tvp5150(sd);
1050         /* Output format: 8-bit ITU-R BT.656 with embedded syncs */
1051         int val = 0x09;
1052
1053         /* Output format: 8-bit 4:2:2 YUV with discrete sync */
1054         if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
1055                 val = 0x0d;
1056
1057         /* Initializes TVP5150 to its default values */
1058         /* # set PCLK (27MHz) */
1059         tvp5150_write(sd, TVP5150_CONF_SHARED_PIN, 0x00);
1060
1061         if (enable)
1062                 tvp5150_write(sd, TVP5150_MISC_CTL, val);
1063         else
1064                 tvp5150_write(sd, TVP5150_MISC_CTL, 0x00);
1065
1066         return 0;
1067 }
1068
1069 static int tvp5150_s_routing(struct v4l2_subdev *sd,
1070                              u32 input, u32 output, u32 config)
1071 {
1072         struct tvp5150 *decoder = to_tvp5150(sd);
1073
1074         decoder->input = input;
1075         decoder->output = output;
1076
1077         if (output == TVP5150_BLACK_SCREEN)
1078                 decoder->enable = false;
1079         else
1080                 decoder->enable = true;
1081
1082         tvp5150_selmux(sd);
1083         return 0;
1084 }
1085
1086 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1087 {
1088         /* this is for capturing 36 raw vbi lines
1089            if there's a way to cut off the beginning 2 vbi lines
1090            with the tvp5150 then the vbi line count could be lowered
1091            to 17 lines/field again, although I couldn't find a register
1092            which could do that cropping */
1093         if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1094                 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
1095         if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1096                 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
1097                 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
1098         }
1099         return 0;
1100 }
1101
1102 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1103 {
1104         int i;
1105
1106         if (svbi->service_set != 0) {
1107                 for (i = 0; i <= 23; i++) {
1108                         svbi->service_lines[1][i] = 0;
1109                         svbi->service_lines[0][i] =
1110                                 tvp5150_set_vbi(sd, vbi_ram_default,
1111                                        svbi->service_lines[0][i], 0xf0, i, 3);
1112                 }
1113                 /* Enables FIFO */
1114                 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1115         } else {
1116                 /* Disables FIFO*/
1117                 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1118
1119                 /* Disable Full Field */
1120                 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1121
1122                 /* Disable Line modes */
1123                 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1124                         tvp5150_write(sd, i, 0xff);
1125         }
1126         return 0;
1127 }
1128
1129 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1130 {
1131         int i, mask = 0;
1132
1133         memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1134
1135         for (i = 0; i <= 23; i++) {
1136                 svbi->service_lines[0][i] =
1137                         tvp5150_get_vbi(sd, vbi_ram_default, i);
1138                 mask |= svbi->service_lines[0][i];
1139         }
1140         svbi->service_set = mask;
1141         return 0;
1142 }
1143
1144 #ifdef CONFIG_VIDEO_ADV_DEBUG
1145 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1146 {
1147         int res;
1148
1149         res = tvp5150_read(sd, reg->reg & 0xff);
1150         if (res < 0) {
1151                 v4l2_err(sd, "%s: failed with error = %d\n", __func__, res);
1152                 return res;
1153         }
1154
1155         reg->val = res;
1156         reg->size = 1;
1157         return 0;
1158 }
1159
1160 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1161 {
1162         return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1163 }
1164 #endif
1165
1166 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1167 {
1168         int status = tvp5150_read(sd, 0x88);
1169
1170         vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1171         return 0;
1172 }
1173
1174 static int tvp5150_registered(struct v4l2_subdev *sd)
1175 {
1176 #ifdef CONFIG_MEDIA_CONTROLLER
1177         struct tvp5150 *decoder = to_tvp5150(sd);
1178         int ret = 0;
1179         int i;
1180
1181         for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1182                 struct media_entity *input = &decoder->input_ent[i];
1183                 struct media_pad *pad = &decoder->input_pad[i];
1184
1185                 if (!input->name)
1186                         continue;
1187
1188                 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1189
1190                 ret = media_entity_pads_init(input, 1, pad);
1191                 if (ret < 0)
1192                         return ret;
1193
1194                 ret = media_device_register_entity(sd->v4l2_dev->mdev, input);
1195                 if (ret < 0)
1196                         return ret;
1197
1198                 ret = media_create_pad_link(input, 0, &sd->entity,
1199                                             DEMOD_PAD_IF_INPUT, 0);
1200                 if (ret < 0) {
1201                         media_device_unregister_entity(input);
1202                         return ret;
1203                 }
1204         }
1205 #endif
1206
1207         return 0;
1208 }
1209
1210 /* ----------------------------------------------------------------------- */
1211
1212 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1213         .s_ctrl = tvp5150_s_ctrl,
1214 };
1215
1216 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1217         .log_status = tvp5150_log_status,
1218         .reset = tvp5150_reset,
1219 #ifdef CONFIG_VIDEO_ADV_DEBUG
1220         .g_register = tvp5150_g_register,
1221         .s_register = tvp5150_s_register,
1222 #endif
1223 };
1224
1225 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1226         .g_tuner = tvp5150_g_tuner,
1227 };
1228
1229 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1230         .s_std = tvp5150_s_std,
1231         .s_stream = tvp5150_s_stream,
1232         .s_routing = tvp5150_s_routing,
1233         .g_mbus_config = tvp5150_g_mbus_config,
1234 };
1235
1236 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1237         .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1238         .g_sliced_fmt = tvp5150_g_sliced_fmt,
1239         .s_sliced_fmt = tvp5150_s_sliced_fmt,
1240         .s_raw_fmt = tvp5150_s_raw_fmt,
1241 };
1242
1243 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1244         .enum_mbus_code = tvp5150_enum_mbus_code,
1245         .enum_frame_size = tvp5150_enum_frame_size,
1246         .set_fmt = tvp5150_fill_fmt,
1247         .get_fmt = tvp5150_fill_fmt,
1248         .get_selection = tvp5150_get_selection,
1249         .set_selection = tvp5150_set_selection,
1250 };
1251
1252 static const struct v4l2_subdev_ops tvp5150_ops = {
1253         .core = &tvp5150_core_ops,
1254         .tuner = &tvp5150_tuner_ops,
1255         .video = &tvp5150_video_ops,
1256         .vbi = &tvp5150_vbi_ops,
1257         .pad = &tvp5150_pad_ops,
1258 };
1259
1260 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1261         .registered = tvp5150_registered,
1262 };
1263
1264
1265 /****************************************************************************
1266                         I2C Client & Driver
1267  ****************************************************************************/
1268
1269 static int tvp5150_detect_version(struct tvp5150 *core)
1270 {
1271         struct v4l2_subdev *sd = &core->sd;
1272         struct i2c_client *c = v4l2_get_subdevdata(sd);
1273         unsigned int i;
1274         u8 regs[4];
1275         int res;
1276
1277         /*
1278          * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1279          * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1280          */
1281         for (i = 0; i < 4; i++) {
1282                 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1283                 if (res < 0)
1284                         return res;
1285                 regs[i] = res;
1286         }
1287
1288         core->dev_id = (regs[0] << 8) | regs[1];
1289         core->rom_ver = (regs[2] << 8) | regs[3];
1290
1291         v4l2_info(sd, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1292                   core->dev_id, regs[2], regs[3], c->addr << 1,
1293                   c->adapter->name);
1294
1295         if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1296                 v4l2_info(sd, "tvp5150a detected.\n");
1297         } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1298                 v4l2_info(sd, "tvp5150am1 detected.\n");
1299
1300                 /* ITU-T BT.656.4 timing */
1301                 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1302         } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1303                 v4l2_info(sd, "tvp5151 detected.\n");
1304         } else {
1305                 v4l2_info(sd, "*** unknown tvp%04x chip detected.\n",
1306                           core->dev_id);
1307         }
1308
1309         return 0;
1310 }
1311
1312 static int tvp5150_init(struct i2c_client *c)
1313 {
1314         struct gpio_desc *pdn_gpio;
1315         struct gpio_desc *reset_gpio;
1316
1317         pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1318         if (IS_ERR(pdn_gpio))
1319                 return PTR_ERR(pdn_gpio);
1320
1321         if (pdn_gpio) {
1322                 gpiod_set_value_cansleep(pdn_gpio, 0);
1323                 /* Delay time between power supplies active and reset */
1324                 msleep(20);
1325         }
1326
1327         reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1328         if (IS_ERR(reset_gpio))
1329                 return PTR_ERR(reset_gpio);
1330
1331         if (reset_gpio) {
1332                 /* RESETB pulse duration */
1333                 ndelay(500);
1334                 gpiod_set_value_cansleep(reset_gpio, 0);
1335                 /* Delay time between end of reset to I2C active */
1336                 usleep_range(200, 250);
1337         }
1338
1339         return 0;
1340 }
1341
1342 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1343 {
1344         struct v4l2_of_endpoint bus_cfg;
1345         struct device_node *ep;
1346 #ifdef CONFIG_MEDIA_CONTROLLER
1347         struct device_node *connectors, *child;
1348         struct media_entity *input;
1349         const char *name;
1350         u32 input_type;
1351 #endif
1352         unsigned int flags;
1353         int ret = 0;
1354
1355         ep = of_graph_get_next_endpoint(np, NULL);
1356         if (!ep)
1357                 return -EINVAL;
1358
1359         ret = v4l2_of_parse_endpoint(ep, &bus_cfg);
1360         if (ret)
1361                 goto err;
1362
1363         flags = bus_cfg.bus.parallel.flags;
1364
1365         if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
1366             !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
1367               flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
1368               flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
1369                 ret = -EINVAL;
1370                 goto err;
1371         }
1372
1373         decoder->mbus_type = bus_cfg.bus_type;
1374
1375 #ifdef CONFIG_MEDIA_CONTROLLER
1376         connectors = of_get_child_by_name(np, "connectors");
1377
1378         if (!connectors)
1379                 goto err;
1380
1381         for_each_available_child_of_node(connectors, child) {
1382                 ret = of_property_read_u32(child, "input", &input_type);
1383                 if (ret) {
1384                         v4l2_err(&decoder->sd,
1385                                  "missing type property in node %s\n",
1386                                  child->name);
1387                         goto err_connector;
1388                 }
1389
1390                 if (input_type >= TVP5150_INPUT_NUM) {
1391                         ret = -EINVAL;
1392                         goto err_connector;
1393                 }
1394
1395                 input = &decoder->input_ent[input_type];
1396
1397                 /* Each input connector can only be defined once */
1398                 if (input->name) {
1399                         v4l2_err(&decoder->sd,
1400                                  "input %s with same type already exists\n",
1401                                  input->name);
1402                         ret = -EINVAL;
1403                         goto err_connector;
1404                 }
1405
1406                 switch (input_type) {
1407                 case TVP5150_COMPOSITE0:
1408                 case TVP5150_COMPOSITE1:
1409                         input->function = MEDIA_ENT_F_CONN_COMPOSITE;
1410                         break;
1411                 case TVP5150_SVIDEO:
1412                         input->function = MEDIA_ENT_F_CONN_SVIDEO;
1413                         break;
1414                 }
1415
1416                 input->flags = MEDIA_ENT_FL_CONNECTOR;
1417
1418                 ret = of_property_read_string(child, "label", &name);
1419                 if (ret < 0) {
1420                         v4l2_err(&decoder->sd,
1421                                  "missing label property in node %s\n",
1422                                  child->name);
1423                         goto err_connector;
1424                 }
1425
1426                 input->name = name;
1427         }
1428
1429 err_connector:
1430         of_node_put(connectors);
1431 #endif
1432 err:
1433         of_node_put(ep);
1434         return ret;
1435 }
1436
1437 static const char * const tvp5150_test_patterns[2] = {
1438         "Disabled",
1439         "Black screen"
1440 };
1441
1442 static int tvp5150_probe(struct i2c_client *c,
1443                          const struct i2c_device_id *id)
1444 {
1445         struct tvp5150 *core;
1446         struct v4l2_subdev *sd;
1447         struct device_node *np = c->dev.of_node;
1448         int res;
1449
1450         /* Check if the adapter supports the needed features */
1451         if (!i2c_check_functionality(c->adapter,
1452              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1453                 return -EIO;
1454
1455         res = tvp5150_init(c);
1456         if (res)
1457                 return res;
1458
1459         core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1460         if (!core)
1461                 return -ENOMEM;
1462
1463         sd = &core->sd;
1464
1465         if (IS_ENABLED(CONFIG_OF) && np) {
1466                 res = tvp5150_parse_dt(core, np);
1467                 if (res) {
1468                         v4l2_err(sd, "DT parsing error: %d\n", res);
1469                         return res;
1470                 }
1471         } else {
1472                 /* Default to BT.656 embedded sync */
1473                 core->mbus_type = V4L2_MBUS_BT656;
1474         }
1475
1476         v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1477         sd->internal_ops = &tvp5150_internal_ops;
1478         sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1479
1480 #if defined(CONFIG_MEDIA_CONTROLLER)
1481         core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
1482         core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
1483         core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
1484
1485         sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1486
1487         res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads);
1488         if (res < 0)
1489                 return res;
1490
1491         sd->entity.ops = &tvp5150_sd_media_ops;
1492 #endif
1493
1494         res = tvp5150_detect_version(core);
1495         if (res < 0)
1496                 return res;
1497
1498         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1499         core->input = TVP5150_COMPOSITE1;
1500         core->enable = true;
1501
1502         v4l2_ctrl_handler_init(&core->hdl, 5);
1503         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1504                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1505         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1506                         V4L2_CID_CONTRAST, 0, 255, 1, 128);
1507         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1508                         V4L2_CID_SATURATION, 0, 255, 1, 128);
1509         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1510                         V4L2_CID_HUE, -128, 127, 1, 0);
1511         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1512                         V4L2_CID_PIXEL_RATE, 27000000,
1513                         27000000, 1, 27000000);
1514         v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
1515                                      V4L2_CID_TEST_PATTERN,
1516                                      ARRAY_SIZE(tvp5150_test_patterns),
1517                                      0, 0, tvp5150_test_patterns);
1518         sd->ctrl_handler = &core->hdl;
1519         if (core->hdl.error) {
1520                 res = core->hdl.error;
1521                 goto err;
1522         }
1523         v4l2_ctrl_handler_setup(&core->hdl);
1524
1525         /* Default is no cropping */
1526         core->rect.top = 0;
1527         if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1528                 core->rect.height = TVP5150_V_MAX_525_60;
1529         else
1530                 core->rect.height = TVP5150_V_MAX_OTHERS;
1531         core->rect.left = 0;
1532         core->rect.width = TVP5150_H_MAX;
1533
1534         res = v4l2_async_register_subdev(sd);
1535         if (res < 0)
1536                 goto err;
1537
1538         if (debug > 1)
1539                 tvp5150_log_status(sd);
1540         return 0;
1541
1542 err:
1543         v4l2_ctrl_handler_free(&core->hdl);
1544         return res;
1545 }
1546
1547 static int tvp5150_remove(struct i2c_client *c)
1548 {
1549         struct v4l2_subdev *sd = i2c_get_clientdata(c);
1550         struct tvp5150 *decoder = to_tvp5150(sd);
1551
1552         v4l2_dbg(1, debug, sd,
1553                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1554                 c->addr << 1);
1555
1556         v4l2_async_unregister_subdev(sd);
1557         v4l2_ctrl_handler_free(&decoder->hdl);
1558         return 0;
1559 }
1560
1561 /* ----------------------------------------------------------------------- */
1562
1563 static const struct i2c_device_id tvp5150_id[] = {
1564         { "tvp5150", 0 },
1565         { }
1566 };
1567 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1568
1569 #if IS_ENABLED(CONFIG_OF)
1570 static const struct of_device_id tvp5150_of_match[] = {
1571         { .compatible = "ti,tvp5150", },
1572         { /* sentinel */ },
1573 };
1574 MODULE_DEVICE_TABLE(of, tvp5150_of_match);
1575 #endif
1576
1577 static struct i2c_driver tvp5150_driver = {
1578         .driver = {
1579                 .of_match_table = of_match_ptr(tvp5150_of_match),
1580                 .name   = "tvp5150",
1581         },
1582         .probe          = tvp5150_probe,
1583         .remove         = tvp5150_remove,
1584         .id_table       = tvp5150_id,
1585 };
1586
1587 module_i2c_driver(tvp5150_driver);