drivers/media/i2c/tvp5150.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 video decoder driver
   4 //
   5 // Copyright (c) 2005,2006 Mauro Carvalho Chehab <mchehab@kernel.org>
   6
   7 #include <dt-bindings/media/tvp5150.h>
   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/interrupt.h>
  14 #include <linux/module.h>
  15 #include <linux/of_graph.h>
  16 #include <linux/regmap.h>
  17 #include <media/v4l2-async.h>
  18 #include <media/v4l2-device.h>
  19 #include <media/v4l2-ctrls.h>
  20 #include <media/v4l2-fwnode.h>
  21 #include <media/v4l2-mc.h>
  22
  23 #include "tvp5150_reg.h"
  24
  25 #define TVP5150_H_MAX           720U
  26 #define TVP5150_V_MAX_525_60    480U
  27 #define TVP5150_V_MAX_OTHERS    576U
  28 #define TVP5150_MAX_CROP_LEFT   511
  29 #define TVP5150_MAX_CROP_TOP    127
  30 #define TVP5150_CROP_SHIFT      2
  31 #define TVP5150_MBUS_FMT        MEDIA_BUS_FMT_UYVY8_2X8
  32 #define TVP5150_FIELD           V4L2_FIELD_ALTERNATE
  33 #define TVP5150_COLORSPACE      V4L2_COLORSPACE_SMPTE170M
  34
  35 MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
  36 MODULE_AUTHOR("Mauro Carvalho Chehab");
  37 MODULE_LICENSE("GPL v2");
  38
  39
  40 static int debug;
  41 module_param(debug, int, 0644);
  42 MODULE_PARM_DESC(debug, "Debug level (0-2)");
  43
  44 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
  45
  46 enum tvp5150_pads {
  47         TVP5150_PAD_IF_INPUT,
  48         TVP5150_PAD_VID_OUT,
  49         TVP5150_NUM_PADS
  50 };
  51
  52 struct tvp5150 {
  53         struct v4l2_subdev sd;
  54 #ifdef CONFIG_MEDIA_CONTROLLER
  55         struct media_pad pads[TVP5150_NUM_PADS];
  56         struct media_entity input_ent[TVP5150_INPUT_NUM];
  57         struct media_pad input_pad[TVP5150_INPUT_NUM];
  58 #endif
  59         struct v4l2_ctrl_handler hdl;
  60         struct v4l2_rect rect;
  61         struct regmap *regmap;
  62         int irq;
  63
  64         v4l2_std_id norm;       /* Current set standard */
  65         v4l2_std_id detected_norm;
  66         u32 input;
  67         u32 output;
  68         u32 oe;
  69         int enable;
  70         bool lock;
  71
  72         u16 dev_id;
  73         u16 rom_ver;
  74
  75         enum v4l2_mbus_type mbus_type;
  76 };
  77
  78 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
  79 {
  80         return container_of(sd, struct tvp5150, sd);
  81 }
  82
  83 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  84 {
  85         return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
  86 }
  87
  88 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
  89 {
  90         struct tvp5150 *decoder = to_tvp5150(sd);
  91         int ret, val;
  92
  93         ret = regmap_read(decoder->regmap, addr, &val);
  94         if (ret < 0)
  95                 return ret;
  96
  97         return val;
  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         u8 buf[16];
 104         int i = 0, j, len;
 105
 106         if (max_line > 16) {
 107                 dprintk0(sd->dev, "too much data to dump\n");
 108                 return;
 109         }
 110
 111         for (i = init; i < end; i += max_line) {
 112                 len = (end - i > max_line) ? max_line : end - i;
 113
 114                 for (j = 0; j < len; j++)
 115                         buf[j] = tvp5150_read(sd, i + j);
 116
 117                 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);
 118         }
 119 }
 120
 121 static int tvp5150_log_status(struct v4l2_subdev *sd)
 122 {
 123         dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",
 124                 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
 125         dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",
 126                 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
 127         dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",
 128                 tvp5150_read(sd, TVP5150_OP_MODE_CTL));
 129         dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",
 130                 tvp5150_read(sd, TVP5150_MISC_CTL));
 131         dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",
 132                 tvp5150_read(sd, TVP5150_AUTOSW_MSK));
 133         dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",
 134                 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
 135         dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
 136                 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
 137                 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
 138                 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
 139         dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",
 140                 tvp5150_read(sd, TVP5150_BRIGHT_CTL));
 141         dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",
 142                 tvp5150_read(sd, TVP5150_SATURATION_CTL));
 143         dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",
 144                 tvp5150_read(sd, TVP5150_HUE_CTL));
 145         dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",
 146                 tvp5150_read(sd, TVP5150_CONTRAST_CTL));
 147         dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",
 148                 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
 149         dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",
 150                 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
 151         dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",
 152                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
 153                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
 154         dprintk0(sd->dev, "tvp5150: Active video cropping stop  = 0x%02x%02x\n",
 155                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
 156                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
 157         dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",
 158                 tvp5150_read(sd, TVP5150_GENLOCK));
 159         dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",
 160                 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
 161         dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",
 162                 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
 163         dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",
 164                 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
 165         dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
 166                 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
 167                 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
 168         dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",
 169                 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
 170         dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",
 171                 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
 172         dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",
 173                 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
 174         dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",
 175                 tvp5150_read(sd, TVP5150_VIDEO_STD));
 176         dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
 177                 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
 178                 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
 179         dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",
 180                 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
 181         dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",
 182                 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
 183         dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
 184                 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
 185         dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",
 186                 tvp5150_read(sd, TVP5150_MSB_DEV_ID),
 187                 tvp5150_read(sd, TVP5150_LSB_DEV_ID));
 188         dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",
 189                 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
 190                 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
 191         dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",
 192                 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
 193                 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
 194         dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",
 195                 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
 196         dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",
 197                 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
 198         dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
 199                 tvp5150_read(sd, TVP5150_STATUS_REG_1),
 200                 tvp5150_read(sd, TVP5150_STATUS_REG_2),
 201                 tvp5150_read(sd, TVP5150_STATUS_REG_3),
 202                 tvp5150_read(sd, TVP5150_STATUS_REG_4),
 203                 tvp5150_read(sd, TVP5150_STATUS_REG_5));
 204
 205         dump_reg_range(sd, "Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
 206                         TVP5150_TELETEXT_FIL1_END, 8);
 207         dump_reg_range(sd, "Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
 208                         TVP5150_TELETEXT_FIL2_END, 8);
 209
 210         dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",
 211                 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
 212         dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",
 213                 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
 214         dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",
 215                 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
 216         dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",
 217                 tvp5150_read(sd, TVP5150_INT_CONF));
 218         dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",
 219                 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
 220         dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",
 221                 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
 222         dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",
 223                 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
 224         dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",
 225                 tvp5150_read(sd, TVP5150_FIFO_RESET));
 226         dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",
 227                 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
 228         dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",
 229                 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
 230                 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
 231         dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",
 232                 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
 233         dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",
 234                 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
 235         dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",
 236                 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
 237
 238         dump_reg_range(sd, "CC   data",   TVP5150_CC_DATA_INI,
 239                         TVP5150_CC_DATA_END, 8);
 240
 241         dump_reg_range(sd, "WSS  data",   TVP5150_WSS_DATA_INI,
 242                         TVP5150_WSS_DATA_END, 8);
 243
 244         dump_reg_range(sd, "VPS  data",   TVP5150_VPS_DATA_INI,
 245                         TVP5150_VPS_DATA_END, 8);
 246
 247         dump_reg_range(sd, "VITC data",   TVP5150_VITC_DATA_INI,
 248                         TVP5150_VITC_DATA_END, 10);
 249
 250         dump_reg_range(sd, "Line mode",   TVP5150_LINE_MODE_INI,
 251                         TVP5150_LINE_MODE_END, 8);
 252         return 0;
 253 }
 254
 255 /****************************************************************************
 256                         Basic functions
 257  ****************************************************************************/
 258
 259 static void tvp5150_selmux(struct v4l2_subdev *sd)
 260 {
 261         int opmode = 0;
 262         struct tvp5150 *decoder = to_tvp5150(sd);
 263         unsigned int mask, val;
 264         int input = 0;
 265
 266         /* Only tvp5150am1 and tvp5151 have signal generator support */
 267         if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
 268             (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
 269                 if (!decoder->enable)
 270                         input = 8;
 271         }
 272
 273         switch (decoder->input) {
 274         case TVP5150_COMPOSITE1:
 275                 input |= 2;
 276                 /* fall through */
 277         case TVP5150_COMPOSITE0:
 278                 break;
 279         case TVP5150_SVIDEO:
 280         default:
 281                 input |= 1;
 282                 break;
 283         }
 284
 285         dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n",
 286                         decoder->input, decoder->output,
 287                         input, opmode);
 288
 289         regmap_write(decoder->regmap, TVP5150_OP_MODE_CTL, opmode);
 290         regmap_write(decoder->regmap, TVP5150_VD_IN_SRC_SEL_1, input);
 291
 292         /*
 293          * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For
 294          * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK
 295          * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the
 296          * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set
 297          * INTREQ/GPCL/VBLK to logic 1.
 298          */
 299         mask = TVP5150_MISC_CTL_GPCL | TVP5150_MISC_CTL_HVLK;
 300         if (decoder->input == TVP5150_SVIDEO)
 301                 val = TVP5150_MISC_CTL_HVLK;
 302         else
 303                 val = TVP5150_MISC_CTL_GPCL;
 304         regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, 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         {       /* Automatic offset and AGC enabled */
 451                 TVP5150_ANAL_CHL_CTL, 0x15
 452         }, {    /* Activate YCrCb output 0x9 or 0xd ? */
 453                 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL |
 454                                   TVP5150_MISC_CTL_INTREQ_OE |
 455                                   TVP5150_MISC_CTL_YCBCR_OE |
 456                                   TVP5150_MISC_CTL_SYNC_OE |
 457                                   TVP5150_MISC_CTL_VBLANK |
 458                                   TVP5150_MISC_CTL_CLOCK_OE,
 459         }, {    /* Activates video std autodetection for all standards */
 460                 TVP5150_AUTOSW_MSK, 0x0
 461         }, {    /* Default format: 0x47. For 4:2:2: 0x40 */
 462                 TVP5150_DATA_RATE_SEL, 0x47
 463         }, {
 464                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 465         }, {
 466                 TVP5150_CHROMA_PROC_CTL_2, 0x54
 467         }, {    /* Non documented, but initialized on WinTV USB2 */
 468                 0x27, 0x20
 469         }, {
 470                 0xff, 0xff
 471         }
 472 };
 473
 474 struct tvp5150_vbi_type {
 475         unsigned int vbi_type;
 476         unsigned int ini_line;
 477         unsigned int end_line;
 478         unsigned int by_field :1;
 479 };
 480
 481 struct i2c_vbi_ram_value {
 482         u16 reg;
 483         struct tvp5150_vbi_type type;
 484         unsigned char values[16];
 485 };
 486
 487 /* This struct have the values for each supported VBI Standard
 488  * by
 489  tvp5150_vbi_types should follow the same order as vbi_ram_default
 490  * value 0 means rom position 0x10, value 1 means rom position 0x30
 491  * and so on. There are 16 possible locations from 0 to 15.
 492  */
 493
 494 static struct i2c_vbi_ram_value vbi_ram_default[] = {
 495
 496         /*
 497          * FIXME: Current api doesn't handle all VBI types, those not
 498          * yet supported are placed under #if 0
 499          */
 500 #if 0
 501         [0] = {0x010, /* Teletext, SECAM, WST System A */
 502                 {V4L2_SLICED_TELETEXT_SECAM, 6, 23, 1},
 503                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 504                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 505         },
 506 #endif
 507         [1] = {0x030, /* Teletext, PAL, WST System B */
 508                 {V4L2_SLICED_TELETEXT_B, 6, 22, 1},
 509                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 510                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 511         },
 512 #if 0
 513         [2] = {0x050, /* Teletext, PAL, WST System C */
 514                 {V4L2_SLICED_TELETEXT_PAL_C, 6, 22, 1},
 515                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 516                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 517         },
 518         [3] = {0x070, /* Teletext, NTSC, WST System B */
 519                 {V4L2_SLICED_TELETEXT_NTSC_B, 10, 21, 1},
 520                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 521                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 522         },
 523         [4] = {0x090, /* Tetetext, NTSC NABTS System C */
 524                 {V4L2_SLICED_TELETEXT_NTSC_C, 10, 21, 1},
 525                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 526                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 527         },
 528         [5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 529                 {V4L2_SLICED_TELETEXT_NTSC_D, 10, 21, 1},
 530                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 531                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 532         },
 533         [6] = {0x0d0, /* Closed Caption, PAL/SECAM */
 534                 {V4L2_SLICED_CAPTION_625, 22, 22, 1},
 535                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 536                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 537         },
 538 #endif
 539         [7] = {0x0f0, /* Closed Caption, NTSC */
 540                 {V4L2_SLICED_CAPTION_525, 21, 21, 1},
 541                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 542                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 543         },
 544         [8] = {0x110, /* Wide Screen Signal, PAL/SECAM */
 545                 {V4L2_SLICED_WSS_625, 23, 23, 1},
 546                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 547                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 548         },
 549 #if 0
 550         [9] = {0x130, /* Wide Screen Signal, NTSC C */
 551                 {V4L2_SLICED_WSS_525, 20, 20, 1},
 552                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 553                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 554         },
 555         [10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 556                 {V4l2_SLICED_VITC_625, 6, 22, 0},
 557                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 558                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 559         },
 560         [11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 561                 {V4l2_SLICED_VITC_525, 10, 20, 0},
 562                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 563                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 564         },
 565 #endif
 566         [12] = {0x190, /* Video Program System (VPS), PAL */
 567                 {V4L2_SLICED_VPS, 16, 16, 0},
 568                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 569                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 570         },
 571         /* 0x1d0 User programmable */
 572 };
 573
 574 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
 575                                 const struct i2c_reg_value *regs)
 576 {
 577         struct tvp5150 *decoder = to_tvp5150(sd);
 578
 579         while (regs->reg != 0xff) {
 580                 regmap_write(decoder->regmap, regs->reg, regs->value);
 581                 regs++;
 582         }
 583         return 0;
 584 }
 585
 586 static int tvp5150_vdp_init(struct v4l2_subdev *sd)
 587 {
 588         struct tvp5150 *decoder = to_tvp5150(sd);
 589         struct regmap *map = decoder->regmap;
 590         unsigned int i;
 591         int j;
 592
 593         /* Disable Full Field */
 594         regmap_write(map, TVP5150_FULL_FIELD_ENA, 0);
 595
 596         /* Before programming, Line mode should be at 0xff */
 597         for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
 598                 regmap_write(map, i, 0xff);
 599
 600         /* Load Ram Table */
 601         for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) {
 602                 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j];
 603
 604                 if (!regs->type.vbi_type)
 605                         continue;
 606
 607                 regmap_write(map, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
 608                 regmap_write(map, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
 609
 610                 for (i = 0; i < 16; i++)
 611                         regmap_write(map, TVP5150_VDP_CONF_RAM_DATA,
 612                                      regs->values[i]);
 613         }
 614         return 0;
 615 }
 616
 617 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 618 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
 619                                 struct v4l2_sliced_vbi_cap *cap)
 620 {
 621         int line, i;
 622
 623         dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
 624         memset(cap, 0, sizeof(*cap));
 625
 626         for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
 627                 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
 628
 629                 if (!regs->type.vbi_type)
 630                         continue;
 631
 632                 for (line = regs->type.ini_line;
 633                      line <= regs->type.end_line;
 634                      line++) {
 635                         cap->service_lines[0][line] |= regs->type.vbi_type;
 636                 }
 637                 cap->service_set |= regs->type.vbi_type;
 638         }
 639         return 0;
 640 }
 641
 642 /* Set vbi processing
 643  * type - one of tvp5150_vbi_types
 644  * line - line to gather data
 645  * fields: bit 0 field1, bit 1, field2
 646  * flags (default=0xf0) is a bitmask, were set means:
 647  *      bit 7: enable filtering null bytes on CC
 648  *      bit 6: send data also to FIFO
 649  *      bit 5: don't allow data with errors on FIFO
 650  *      bit 4: enable ECC when possible
 651  * pix_align = pix alignment:
 652  *      LSB = field1
 653  *      MSB = field2
 654  */
 655 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 656                         unsigned int type, u8 flags, int line,
 657                         const int fields)
 658 {
 659         struct tvp5150 *decoder = to_tvp5150(sd);
 660         v4l2_std_id std = decoder->norm;
 661         u8 reg;
 662         int i, pos = 0;
 663
 664         if (std == V4L2_STD_ALL) {
 665                 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
 666                 return 0;
 667         } else if (std & V4L2_STD_625_50) {
 668                 /* Don't follow NTSC Line number convension */
 669                 line += 3;
 670         }
 671
 672         if (line < 6 || line > 27)
 673                 return 0;
 674
 675         for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
 676                 const struct i2c_vbi_ram_value *regs =  &vbi_ram_default[i];
 677
 678                 if (!regs->type.vbi_type)
 679                         continue;
 680
 681                 if ((type & regs->type.vbi_type) &&
 682                     (line >= regs->type.ini_line) &&
 683                     (line <= regs->type.end_line))
 684                         break;
 685                 pos++;
 686         }
 687
 688         type = pos | (flags & 0xf0);
 689         reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 690
 691         if (fields & 1)
 692                 regmap_write(decoder->regmap, reg, type);
 693
 694         if (fields & 2)
 695                 regmap_write(decoder->regmap, reg + 1, type);
 696
 697         return type;
 698 }
 699
 700 static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line)
 701 {
 702         struct tvp5150 *decoder = to_tvp5150(sd);
 703         v4l2_std_id std = decoder->norm;
 704         u8 reg;
 705         int pos, type = 0;
 706         int i, ret = 0;
 707
 708         if (std == V4L2_STD_ALL) {
 709                 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
 710                 return 0;
 711         } else if (std & V4L2_STD_625_50) {
 712                 /* Don't follow NTSC Line number convension */
 713                 line += 3;
 714         }
 715
 716         if (line < 6 || line > 27)
 717                 return 0;
 718
 719         reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 720
 721         for (i = 0; i <= 1; i++) {
 722                 ret = tvp5150_read(sd, reg + i);
 723                 if (ret < 0) {
 724                         dev_err(sd->dev, "%s: failed with error = %d\n",
 725                                  __func__, ret);
 726                         return 0;
 727                 }
 728                 pos = ret & 0x0f;
 729                 if (pos < ARRAY_SIZE(vbi_ram_default))
 730                         type |= vbi_ram_default[pos].type.vbi_type;
 731         }
 732
 733         return type;
 734 }
 735
 736 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
 737 {
 738         struct tvp5150 *decoder = to_tvp5150(sd);
 739         int fmt = 0;
 740
 741         /* First tests should be against specific std */
 742
 743         if (std == V4L2_STD_NTSC_443) {
 744                 fmt = VIDEO_STD_NTSC_4_43_BIT;
 745         } else if (std == V4L2_STD_PAL_M) {
 746                 fmt = VIDEO_STD_PAL_M_BIT;
 747         } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
 748                 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
 749         } else {
 750                 /* Then, test against generic ones */
 751                 if (std & V4L2_STD_NTSC)
 752                         fmt = VIDEO_STD_NTSC_MJ_BIT;
 753                 else if (std & V4L2_STD_PAL)
 754                         fmt = VIDEO_STD_PAL_BDGHIN_BIT;
 755                 else if (std & V4L2_STD_SECAM)
 756                         fmt = VIDEO_STD_SECAM_BIT;
 757         }
 758
 759         dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
 760         regmap_write(decoder->regmap, TVP5150_VIDEO_STD, fmt);
 761         return 0;
 762 }
 763
 764 static int tvp5150_g_std(struct v4l2_subdev *sd, v4l2_std_id *std)
 765 {
 766         struct tvp5150 *decoder = to_tvp5150(sd);
 767
 768         *std = decoder->norm;
 769
 770         return 0;
 771 }
 772
 773 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 774 {
 775         struct tvp5150 *decoder = to_tvp5150(sd);
 776
 777         if (decoder->norm == std)
 778                 return 0;
 779
 780         /* Change cropping height limits */
 781         if (std & V4L2_STD_525_60)
 782                 decoder->rect.height = TVP5150_V_MAX_525_60;
 783         else
 784                 decoder->rect.height = TVP5150_V_MAX_OTHERS;
 785
 786         decoder->norm = std;
 787
 788         return tvp5150_set_std(sd, std);
 789 }
 790
 791 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
 792 {
 793         int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
 794
 795         switch (val & 0x0F) {
 796         case 0x01:
 797                 return V4L2_STD_NTSC;
 798         case 0x03:
 799                 return V4L2_STD_PAL;
 800         case 0x05:
 801                 return V4L2_STD_PAL_M;
 802         case 0x07:
 803                 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
 804         case 0x09:
 805                 return V4L2_STD_NTSC_443;
 806         case 0xb:
 807                 return V4L2_STD_SECAM;
 808         default:
 809                 return V4L2_STD_UNKNOWN;
 810         }
 811 }
 812
 813 static int query_lock(struct v4l2_subdev *sd)
 814 {
 815         struct tvp5150 *decoder = to_tvp5150(sd);
 816         int status;
 817
 818         if (decoder->irq)
 819                 return decoder->lock;
 820
 821         regmap_read(decoder->regmap, TVP5150_STATUS_REG_1, &status);
 822
 823         /* For standard detection, we need the 3 locks */
 824         return (status & 0x0e) == 0x0e;
 825 }
 826
 827 static int tvp5150_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
 828 {
 829         *std_id = query_lock(sd) ? tvp5150_read_std(sd) : V4L2_STD_UNKNOWN;
 830
 831         return 0;
 832 }
 833
 834 static const struct v4l2_event tvp5150_ev_fmt = {
 835         .type = V4L2_EVENT_SOURCE_CHANGE,
 836         .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
 837 };
 838
 839 static irqreturn_t tvp5150_isr(int irq, void *dev_id)
 840 {
 841         struct tvp5150 *decoder = dev_id;
 842         struct regmap *map = decoder->regmap;
 843         unsigned int mask, active = 0, status = 0;
 844
 845         mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
 846                TVP5150_MISC_CTL_CLOCK_OE;
 847
 848         regmap_read(map, TVP5150_INT_STATUS_REG_A, &status);
 849         if (status) {
 850                 regmap_write(map, TVP5150_INT_STATUS_REG_A, status);
 851
 852                 if (status & TVP5150_INT_A_LOCK) {
 853                         decoder->lock = !!(status & TVP5150_INT_A_LOCK_STATUS);
 854                         dev_dbg_lvl(decoder->sd.dev, 1, debug,
 855                                     "sync lo%s signal\n",
 856                                     decoder->lock ? "ck" : "ss");
 857                         v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
 858                         regmap_update_bits(map, TVP5150_MISC_CTL, mask,
 859                                            decoder->lock ? decoder->oe : 0);
 860                 }
 861
 862                 return IRQ_HANDLED;
 863         }
 864
 865         regmap_read(map, TVP5150_INT_ACTIVE_REG_B, &active);
 866         if (active) {
 867                 status = 0;
 868                 regmap_read(map, TVP5150_INT_STATUS_REG_B, &status);
 869                 if (status)
 870                         regmap_write(map, TVP5150_INT_RESET_REG_B, status);
 871         }
 872
 873         return IRQ_HANDLED;
 874 }
 875
 876 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
 877 {
 878         struct tvp5150 *decoder = to_tvp5150(sd);
 879         struct regmap *map = decoder->regmap;
 880
 881         /* Initializes TVP5150 to its default values */
 882         tvp5150_write_inittab(sd, tvp5150_init_default);
 883
 884         if (decoder->irq) {
 885                 /* Configure pins: FID, VSYNC, INTREQ, SCLK */
 886                 regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x0);
 887                 /* Set interrupt polarity to active high */
 888                 regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE | 0x1);
 889                 regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x1);
 890         } else {
 891                 /* Configure pins: FID, VSYNC, GPCL/VBLK, SCLK */
 892                 regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x2);
 893                 /* Keep interrupt polarity active low */
 894                 regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE);
 895                 regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x0);
 896         }
 897
 898         /* Initializes VDP registers */
 899         tvp5150_vdp_init(sd);
 900
 901         /* Selects decoder input */
 902         tvp5150_selmux(sd);
 903
 904         /* Initialize image preferences */
 905         v4l2_ctrl_handler_setup(&decoder->hdl);
 906
 907         return 0;
 908 }
 909
 910 static int tvp5150_enable(struct v4l2_subdev *sd)
 911 {
 912         struct tvp5150 *decoder = to_tvp5150(sd);
 913         v4l2_std_id std;
 914
 915         /* Initializes TVP5150 to stream enabled values */
 916         tvp5150_write_inittab(sd, tvp5150_init_enable);
 917
 918         if (decoder->norm == V4L2_STD_ALL)
 919                 std = tvp5150_read_std(sd);
 920         else
 921                 std = decoder->norm;
 922
 923         /* Disable autoswitch mode */
 924         tvp5150_set_std(sd, std);
 925
 926         /*
 927          * Enable the YCbCr and clock outputs. In discrete sync mode
 928          * (non-BT.656) additionally enable the the sync outputs.
 929          */
 930         switch (decoder->mbus_type) {
 931         case V4L2_MBUS_PARALLEL:
 932                 /* 8-bit 4:2:2 YUV with discrete sync output */
 933                 regmap_update_bits(decoder->regmap, TVP5150_DATA_RATE_SEL,
 934                                    0x7, 0x0);
 935                 decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |
 936                               TVP5150_MISC_CTL_CLOCK_OE |
 937                               TVP5150_MISC_CTL_SYNC_OE;
 938                 break;
 939         case V4L2_MBUS_BT656:
 940                 decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |
 941                               TVP5150_MISC_CTL_CLOCK_OE;
 942                 break;
 943         default:
 944                 return -EINVAL;
 945         }
 946
 947         return 0;
 948 };
 949
 950 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
 951 {
 952         struct v4l2_subdev *sd = to_sd(ctrl);
 953         struct tvp5150 *decoder = to_tvp5150(sd);
 954
 955         switch (ctrl->id) {
 956         case V4L2_CID_BRIGHTNESS:
 957                 regmap_write(decoder->regmap, TVP5150_BRIGHT_CTL, ctrl->val);
 958                 return 0;
 959         case V4L2_CID_CONTRAST:
 960                 regmap_write(decoder->regmap, TVP5150_CONTRAST_CTL, ctrl->val);
 961                 return 0;
 962         case V4L2_CID_SATURATION:
 963                 regmap_write(decoder->regmap, TVP5150_SATURATION_CTL,
 964                              ctrl->val);
 965                 return 0;
 966         case V4L2_CID_HUE:
 967                 regmap_write(decoder->regmap, TVP5150_HUE_CTL, ctrl->val);
 968                 return 0;
 969         case V4L2_CID_TEST_PATTERN:
 970                 decoder->enable = ctrl->val ? false : true;
 971                 tvp5150_selmux(sd);
 972                 return 0;
 973         }
 974         return -EINVAL;
 975 }
 976
 977 static void tvp5150_set_default(v4l2_std_id std, struct v4l2_rect *crop)
 978 {
 979         /* Default is no cropping */
 980         crop->top = 0;
 981         crop->left = 0;
 982         crop->width = TVP5150_H_MAX;
 983         if (std & V4L2_STD_525_60)
 984                 crop->height = TVP5150_V_MAX_525_60;
 985         else
 986                 crop->height = TVP5150_V_MAX_OTHERS;
 987 }
 988
 989 static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
 990                             struct v4l2_subdev_pad_config *cfg,
 991                             struct v4l2_subdev_format *format)
 992 {
 993         struct v4l2_mbus_framefmt *f;
 994         struct tvp5150 *decoder = to_tvp5150(sd);
 995
 996         if (!format || (format->pad != TVP5150_PAD_VID_OUT))
 997                 return -EINVAL;
 998
 999         f = &format->format;
1000
1001         f->width = decoder->rect.width;
1002         f->height = decoder->rect.height / 2;
1003
1004         f->code = TVP5150_MBUS_FMT;
1005         f->field = TVP5150_FIELD;
1006         f->colorspace = TVP5150_COLORSPACE;
1007
1008         dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
1009                     f->height);
1010         return 0;
1011 }
1012
1013 static int tvp5150_set_selection(struct v4l2_subdev *sd,
1014                                  struct v4l2_subdev_pad_config *cfg,
1015                                  struct v4l2_subdev_selection *sel)
1016 {
1017         struct tvp5150 *decoder = to_tvp5150(sd);
1018         struct v4l2_rect rect = sel->r;
1019         v4l2_std_id std;
1020         int hmax;
1021
1022         if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE ||
1023             sel->target != V4L2_SEL_TGT_CROP)
1024                 return -EINVAL;
1025
1026         dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
1027                 __func__, rect.left, rect.top, rect.width, rect.height);
1028
1029         /* tvp5150 has some special limits */
1030         rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
1031         rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
1032
1033         /* Calculate height based on current standard */
1034         if (decoder->norm == V4L2_STD_ALL)
1035                 std = tvp5150_read_std(sd);
1036         else
1037                 std = decoder->norm;
1038
1039         if (std & V4L2_STD_525_60)
1040                 hmax = TVP5150_V_MAX_525_60;
1041         else
1042                 hmax = TVP5150_V_MAX_OTHERS;
1043
1044         /*
1045          * alignments:
1046          *  - width = 2 due to UYVY colorspace
1047          *  - height, image = no special alignment
1048          */
1049         v4l_bound_align_image(&rect.width,
1050                               TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
1051                               TVP5150_H_MAX - rect.left, 1, &rect.height,
1052                               hmax - TVP5150_MAX_CROP_TOP - rect.top,
1053                               hmax - rect.top, 0, 0);
1054
1055         regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START, rect.top);
1056         regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP,
1057                      rect.top + rect.height - hmax);
1058         regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_MSB,
1059                      rect.left >> TVP5150_CROP_SHIFT);
1060         regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_LSB,
1061                      rect.left | (1 << TVP5150_CROP_SHIFT));
1062         regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_MSB,
1063                      (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
1064                      TVP5150_CROP_SHIFT);
1065         regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_LSB,
1066                      rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
1067
1068         decoder->rect = rect;
1069
1070         return 0;
1071 }
1072
1073 static int tvp5150_get_selection(struct v4l2_subdev *sd,
1074                                  struct v4l2_subdev_pad_config *cfg,
1075                                  struct v4l2_subdev_selection *sel)
1076 {
1077         struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
1078         v4l2_std_id std;
1079
1080         if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
1081                 return -EINVAL;
1082
1083         switch (sel->target) {
1084         case V4L2_SEL_TGT_CROP_BOUNDS:
1085                 sel->r.left = 0;
1086                 sel->r.top = 0;
1087                 sel->r.width = TVP5150_H_MAX;
1088
1089                 /* Calculate height based on current standard */
1090                 if (decoder->norm == V4L2_STD_ALL)
1091                         std = tvp5150_read_std(sd);
1092                 else
1093                         std = decoder->norm;
1094                 if (std & V4L2_STD_525_60)
1095                         sel->r.height = TVP5150_V_MAX_525_60;
1096                 else
1097                         sel->r.height = TVP5150_V_MAX_OTHERS;
1098                 return 0;
1099         case V4L2_SEL_TGT_CROP:
1100                 sel->r = decoder->rect;
1101                 return 0;
1102         default:
1103                 return -EINVAL;
1104         }
1105 }
1106
1107 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
1108                                  struct v4l2_mbus_config *cfg)
1109 {
1110         struct tvp5150 *decoder = to_tvp5150(sd);
1111
1112         cfg->type = decoder->mbus_type;
1113         cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
1114                    | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
1115
1116         return 0;
1117 }
1118
1119 /****************************************************************************
1120                         V4L2 subdev pad ops
1121  ****************************************************************************/
1122 static int tvp5150_init_cfg(struct v4l2_subdev *sd,
1123                             struct v4l2_subdev_pad_config *cfg)
1124 {
1125         struct tvp5150 *decoder = to_tvp5150(sd);
1126         v4l2_std_id std;
1127
1128         /*
1129          * Reset selection to maximum on subdev_open() if autodetection is on
1130          * and a standard change is detected.
1131          */
1132         if (decoder->norm == V4L2_STD_ALL) {
1133                 std = tvp5150_read_std(sd);
1134                 if (std != decoder->detected_norm) {
1135                         decoder->detected_norm = std;
1136                         tvp5150_set_default(std, &decoder->rect);
1137                 }
1138         }
1139
1140         return 0;
1141 }
1142
1143 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
1144                 struct v4l2_subdev_pad_config *cfg,
1145                 struct v4l2_subdev_mbus_code_enum *code)
1146 {
1147         if (code->pad || code->index)
1148                 return -EINVAL;
1149
1150         code->code = TVP5150_MBUS_FMT;
1151         return 0;
1152 }
1153
1154 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
1155                                    struct v4l2_subdev_pad_config *cfg,
1156                                    struct v4l2_subdev_frame_size_enum *fse)
1157 {
1158         struct tvp5150 *decoder = to_tvp5150(sd);
1159
1160         if (fse->index >= 8 || fse->code != TVP5150_MBUS_FMT)
1161                 return -EINVAL;
1162
1163         fse->code = TVP5150_MBUS_FMT;
1164         fse->min_width = decoder->rect.width;
1165         fse->max_width = decoder->rect.width;
1166         fse->min_height = decoder->rect.height / 2;
1167         fse->max_height = decoder->rect.height / 2;
1168
1169         return 0;
1170 }
1171
1172 /****************************************************************************
1173                         Media entity ops
1174  ****************************************************************************/
1175
1176 #ifdef CONFIG_MEDIA_CONTROLLER
1177 static int tvp5150_link_setup(struct media_entity *entity,
1178                               const struct media_pad *local,
1179                               const struct media_pad *remote, u32 flags)
1180 {
1181         struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1182         struct tvp5150 *decoder = to_tvp5150(sd);
1183         int i;
1184
1185         for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1186                 if (remote->entity == &decoder->input_ent[i])
1187                         break;
1188         }
1189
1190         /* Do nothing for entities that are not input connectors */
1191         if (i == TVP5150_INPUT_NUM)
1192                 return 0;
1193
1194         decoder->input = i;
1195
1196         tvp5150_selmux(sd);
1197
1198         return 0;
1199 }
1200
1201 static const struct media_entity_operations tvp5150_sd_media_ops = {
1202         .link_setup = tvp5150_link_setup,
1203 };
1204 #endif
1205
1206 /****************************************************************************
1207                         I2C Command
1208  ****************************************************************************/
1209
1210 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1211 {
1212         struct tvp5150 *decoder = to_tvp5150(sd);
1213         unsigned int mask, val = 0, int_val = 0;
1214
1215         mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
1216                TVP5150_MISC_CTL_CLOCK_OE;
1217
1218         if (enable) {
1219                 tvp5150_enable(sd);
1220
1221                 /* Enable outputs if decoder is locked */
1222                 if (decoder->irq)
1223                         val = decoder->lock ? decoder->oe : 0;
1224                 else
1225                         val = decoder->oe;
1226                 int_val = TVP5150_INT_A_LOCK;
1227                 v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
1228         }
1229
1230         regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);
1231         if (decoder->irq)
1232                 /* Enable / Disable lock interrupt */
1233                 regmap_update_bits(decoder->regmap, TVP5150_INT_ENABLE_REG_A,
1234                                    TVP5150_INT_A_LOCK, int_val);
1235
1236         return 0;
1237 }
1238
1239 static int tvp5150_s_routing(struct v4l2_subdev *sd,
1240                              u32 input, u32 output, u32 config)
1241 {
1242         struct tvp5150 *decoder = to_tvp5150(sd);
1243
1244         decoder->input = input;
1245         decoder->output = output;
1246
1247         if (output == TVP5150_BLACK_SCREEN)
1248                 decoder->enable = false;
1249         else
1250                 decoder->enable = true;
1251
1252         tvp5150_selmux(sd);
1253         return 0;
1254 }
1255
1256 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1257 {
1258         struct tvp5150 *decoder = to_tvp5150(sd);
1259
1260         /*
1261          * this is for capturing 36 raw vbi lines
1262          * if there's a way to cut off the beginning 2 vbi lines
1263          * with the tvp5150 then the vbi line count could be lowered
1264          * to 17 lines/field again, although I couldn't find a register
1265          * which could do that cropping
1266          */
1267
1268         if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1269                 regmap_write(decoder->regmap, TVP5150_LUMA_PROC_CTL_1, 0x70);
1270         if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1271                 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START,
1272                              0x00);
1273                 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP, 0x01);
1274         }
1275         return 0;
1276 }
1277
1278 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1279 {
1280         struct tvp5150 *decoder = to_tvp5150(sd);
1281         int i;
1282
1283         if (svbi->service_set != 0) {
1284                 for (i = 0; i <= 23; i++) {
1285                         svbi->service_lines[1][i] = 0;
1286                         svbi->service_lines[0][i] =
1287                                 tvp5150_set_vbi(sd, svbi->service_lines[0][i],
1288                                                 0xf0, i, 3);
1289                 }
1290                 /* Enables FIFO */
1291                 regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 1);
1292         } else {
1293                 /* Disables FIFO*/
1294                 regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 0);
1295
1296                 /* Disable Full Field */
1297                 regmap_write(decoder->regmap, TVP5150_FULL_FIELD_ENA, 0);
1298
1299                 /* Disable Line modes */
1300                 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1301                         regmap_write(decoder->regmap, i, 0xff);
1302         }
1303         return 0;
1304 }
1305
1306 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1307 {
1308         int i, mask = 0;
1309
1310         memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1311
1312         for (i = 0; i <= 23; i++) {
1313                 svbi->service_lines[0][i] =
1314                         tvp5150_get_vbi(sd, i);
1315                 mask |= svbi->service_lines[0][i];
1316         }
1317         svbi->service_set = mask;
1318         return 0;
1319 }
1320
1321 #ifdef CONFIG_VIDEO_ADV_DEBUG
1322 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1323 {
1324         int res;
1325
1326         res = tvp5150_read(sd, reg->reg & 0xff);
1327         if (res < 0) {
1328                 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
1329                 return res;
1330         }
1331
1332         reg->val = res;
1333         reg->size = 1;
1334         return 0;
1335 }
1336
1337 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1338 {
1339         struct tvp5150 *decoder = to_tvp5150(sd);
1340
1341         return regmap_write(decoder->regmap, reg->reg & 0xff, reg->val & 0xff);
1342 }
1343 #endif
1344
1345 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1346 {
1347         int status = tvp5150_read(sd, 0x88);
1348
1349         vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1350         return 0;
1351 }
1352
1353 static int tvp5150_registered(struct v4l2_subdev *sd)
1354 {
1355 #ifdef CONFIG_MEDIA_CONTROLLER
1356         struct tvp5150 *decoder = to_tvp5150(sd);
1357         int ret = 0;
1358         int i;
1359
1360         for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1361                 struct media_entity *input = &decoder->input_ent[i];
1362                 struct media_pad *pad = &decoder->input_pad[i];
1363
1364                 if (!input->name)
1365                         continue;
1366
1367                 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1368
1369                 ret = media_entity_pads_init(input, 1, pad);
1370                 if (ret < 0)
1371                         return ret;
1372
1373                 ret = media_device_register_entity(sd->v4l2_dev->mdev, input);
1374                 if (ret < 0)
1375                         return ret;
1376
1377                 ret = media_create_pad_link(input, 0, &sd->entity,
1378                                             TVP5150_PAD_IF_INPUT, 0);
1379                 if (ret < 0) {
1380                         media_device_unregister_entity(input);
1381                         return ret;
1382                 }
1383         }
1384 #endif
1385
1386         return 0;
1387 }
1388
1389 /* ----------------------------------------------------------------------- */
1390
1391 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1392         .s_ctrl = tvp5150_s_ctrl,
1393 };
1394
1395 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1396         .log_status = tvp5150_log_status,
1397         .reset = tvp5150_reset,
1398 #ifdef CONFIG_VIDEO_ADV_DEBUG
1399         .g_register = tvp5150_g_register,
1400         .s_register = tvp5150_s_register,
1401 #endif
1402 };
1403
1404 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1405         .g_tuner = tvp5150_g_tuner,
1406 };
1407
1408 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1409         .s_std = tvp5150_s_std,
1410         .g_std = tvp5150_g_std,
1411         .querystd = tvp5150_querystd,
1412         .s_stream = tvp5150_s_stream,
1413         .s_routing = tvp5150_s_routing,
1414         .g_mbus_config = tvp5150_g_mbus_config,
1415 };
1416
1417 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1418         .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1419         .g_sliced_fmt = tvp5150_g_sliced_fmt,
1420         .s_sliced_fmt = tvp5150_s_sliced_fmt,
1421         .s_raw_fmt = tvp5150_s_raw_fmt,
1422 };
1423
1424 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1425         .init_cfg = tvp5150_init_cfg,
1426         .enum_mbus_code = tvp5150_enum_mbus_code,
1427         .enum_frame_size = tvp5150_enum_frame_size,
1428         .set_fmt = tvp5150_fill_fmt,
1429         .get_fmt = tvp5150_fill_fmt,
1430         .get_selection = tvp5150_get_selection,
1431         .set_selection = tvp5150_set_selection,
1432 };
1433
1434 static const struct v4l2_subdev_ops tvp5150_ops = {
1435         .core = &tvp5150_core_ops,
1436         .tuner = &tvp5150_tuner_ops,
1437         .video = &tvp5150_video_ops,
1438         .vbi = &tvp5150_vbi_ops,
1439         .pad = &tvp5150_pad_ops,
1440 };
1441
1442 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1443         .registered = tvp5150_registered,
1444 };
1445
1446 /****************************************************************************
1447                         I2C Client & Driver
1448  ****************************************************************************/
1449
1450 static const struct regmap_range tvp5150_readable_ranges[] = {
1451         {
1452                 .range_min = TVP5150_VD_IN_SRC_SEL_1,
1453                 .range_max = TVP5150_AUTOSW_MSK,
1454         }, {
1455                 .range_min = TVP5150_COLOR_KIL_THSH_CTL,
1456                 .range_max = TVP5150_CONF_SHARED_PIN,
1457         }, {
1458                 .range_min = TVP5150_ACT_VD_CROP_ST_MSB,
1459                 .range_max = TVP5150_HORIZ_SYNC_START,
1460         }, {
1461                 .range_min = TVP5150_VERT_BLANKING_START,
1462                 .range_max = TVP5150_INTT_CONFIG_REG_B,
1463         }, {
1464                 .range_min = TVP5150_VIDEO_STD,
1465                 .range_max = TVP5150_VIDEO_STD,
1466         }, {
1467                 .range_min = TVP5150_CB_GAIN_FACT,
1468                 .range_max = TVP5150_REV_SELECT,
1469         }, {
1470                 .range_min = TVP5150_MSB_DEV_ID,
1471                 .range_max = TVP5150_STATUS_REG_5,
1472         }, {
1473                 .range_min = TVP5150_CC_DATA_INI,
1474                 .range_max = TVP5150_TELETEXT_FIL_ENA,
1475         }, {
1476                 .range_min = TVP5150_INT_STATUS_REG_A,
1477                 .range_max = TVP5150_FIFO_OUT_CTRL,
1478         }, {
1479                 .range_min = TVP5150_FULL_FIELD_ENA,
1480                 .range_max = TVP5150_FULL_FIELD_MODE_REG,
1481         },
1482 };
1483
1484 static bool tvp5150_volatile_reg(struct device *dev, unsigned int reg)
1485 {
1486         switch (reg) {
1487         case TVP5150_VERT_LN_COUNT_MSB:
1488         case TVP5150_VERT_LN_COUNT_LSB:
1489         case TVP5150_INT_STATUS_REG_A:
1490         case TVP5150_INT_STATUS_REG_B:
1491         case TVP5150_INT_ACTIVE_REG_B:
1492         case TVP5150_STATUS_REG_1:
1493         case TVP5150_STATUS_REG_2:
1494         case TVP5150_STATUS_REG_3:
1495         case TVP5150_STATUS_REG_4:
1496         case TVP5150_STATUS_REG_5:
1497         /* CC, WSS, VPS, VITC data? */
1498         case TVP5150_VBI_FIFO_READ_DATA:
1499         case TVP5150_VDP_STATUS_REG:
1500         case TVP5150_FIFO_WORD_COUNT:
1501                 return true;
1502         default:
1503                 return false;
1504         }
1505 }
1506
1507 static const struct regmap_access_table tvp5150_readable_table = {
1508         .yes_ranges = tvp5150_readable_ranges,
1509         .n_yes_ranges = ARRAY_SIZE(tvp5150_readable_ranges),
1510 };
1511
1512 static struct regmap_config tvp5150_config = {
1513         .reg_bits = 8,
1514         .val_bits = 8,
1515         .max_register = 0xff,
1516
1517         .cache_type = REGCACHE_RBTREE,
1518
1519         .rd_table = &tvp5150_readable_table,
1520         .volatile_reg = tvp5150_volatile_reg,
1521 };
1522
1523 static int tvp5150_detect_version(struct tvp5150 *core)
1524 {
1525         struct v4l2_subdev *sd = &core->sd;
1526         struct i2c_client *c = v4l2_get_subdevdata(sd);
1527         u8 regs[4];
1528         int res;
1529
1530         /*
1531          * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1532          * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1533          */
1534         res = regmap_bulk_read(core->regmap, TVP5150_MSB_DEV_ID, regs, 4);
1535         if (res < 0) {
1536                 dev_err(&c->dev, "reading ID registers failed: %d\n", res);
1537                 return res;
1538         }
1539
1540         core->dev_id = (regs[0] << 8) | regs[1];
1541         core->rom_ver = (regs[2] << 8) | regs[3];
1542
1543         dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1544                   core->dev_id, regs[2], regs[3], c->addr << 1,
1545                   c->adapter->name);
1546
1547         if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1548                 dev_info(sd->dev, "tvp5150a detected.\n");
1549         } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1550                 dev_info(sd->dev, "tvp5150am1 detected.\n");
1551
1552                 /* ITU-T BT.656.4 timing */
1553                 regmap_write(core->regmap, TVP5150_REV_SELECT, 0);
1554         } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1555                 dev_info(sd->dev, "tvp5151 detected.\n");
1556         } else {
1557                 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
1558                           core->dev_id);
1559         }
1560
1561         return 0;
1562 }
1563
1564 static int tvp5150_init(struct i2c_client *c)
1565 {
1566         struct gpio_desc *pdn_gpio;
1567         struct gpio_desc *reset_gpio;
1568
1569         pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1570         if (IS_ERR(pdn_gpio))
1571                 return PTR_ERR(pdn_gpio);
1572
1573         if (pdn_gpio) {
1574                 gpiod_set_value_cansleep(pdn_gpio, 0);
1575                 /* Delay time between power supplies active and reset */
1576                 msleep(20);
1577         }
1578
1579         reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1580         if (IS_ERR(reset_gpio))
1581                 return PTR_ERR(reset_gpio);
1582
1583         if (reset_gpio) {
1584                 /* RESETB pulse duration */
1585                 ndelay(500);
1586                 gpiod_set_value_cansleep(reset_gpio, 0);
1587                 /* Delay time between end of reset to I2C active */
1588                 usleep_range(200, 250);
1589         }
1590
1591         return 0;
1592 }
1593
1594 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1595 {
1596         struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 };
1597         struct device_node *ep;
1598 #ifdef CONFIG_MEDIA_CONTROLLER
1599         struct device_node *connectors, *child;
1600         struct media_entity *input;
1601         const char *name;
1602         u32 input_type;
1603 #endif
1604         unsigned int flags;
1605         int ret = 0;
1606
1607         ep = of_graph_get_next_endpoint(np, NULL);
1608         if (!ep)
1609                 return -EINVAL;
1610
1611         ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg);
1612         if (ret)
1613                 goto err;
1614
1615         flags = bus_cfg.bus.parallel.flags;
1616
1617         if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
1618             !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
1619               flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
1620               flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
1621                 ret = -EINVAL;
1622                 goto err;
1623         }
1624
1625         decoder->mbus_type = bus_cfg.bus_type;
1626
1627 #ifdef CONFIG_MEDIA_CONTROLLER
1628         connectors = of_get_child_by_name(np, "connectors");
1629
1630         if (!connectors)
1631                 goto err;
1632
1633         for_each_available_child_of_node(connectors, child) {
1634                 ret = of_property_read_u32(child, "input", &input_type);
1635                 if (ret) {
1636                         dev_err(decoder->sd.dev,
1637                                  "missing type property in node %pOFn\n",
1638                                  child);
1639                         of_node_put(child);
1640                         goto err_connector;
1641                 }
1642
1643                 if (input_type >= TVP5150_INPUT_NUM) {
1644                         ret = -EINVAL;
1645                         of_node_put(child);
1646                         goto err_connector;
1647                 }
1648
1649                 input = &decoder->input_ent[input_type];
1650
1651                 /* Each input connector can only be defined once */
1652                 if (input->name) {
1653                         dev_err(decoder->sd.dev,
1654                                  "input %s with same type already exists\n",
1655                                  input->name);
1656                         of_node_put(child);
1657                         ret = -EINVAL;
1658                         goto err_connector;
1659                 }
1660
1661                 switch (input_type) {
1662                 case TVP5150_COMPOSITE0:
1663                 case TVP5150_COMPOSITE1:
1664                         input->function = MEDIA_ENT_F_CONN_COMPOSITE;
1665                         break;
1666                 case TVP5150_SVIDEO:
1667                         input->function = MEDIA_ENT_F_CONN_SVIDEO;
1668                         break;
1669                 }
1670
1671                 input->flags = MEDIA_ENT_FL_CONNECTOR;
1672
1673                 ret = of_property_read_string(child, "label", &name);
1674                 if (ret < 0) {
1675                         dev_err(decoder->sd.dev,
1676                                  "missing label property in node %pOFn\n",
1677                                  child);
1678                         of_node_put(child);
1679                         goto err_connector;
1680                 }
1681
1682                 input->name = name;
1683         }
1684
1685 err_connector:
1686         of_node_put(connectors);
1687 #endif
1688 err:
1689         of_node_put(ep);
1690         return ret;
1691 }
1692
1693 static const char * const tvp5150_test_patterns[2] = {
1694         "Disabled",
1695         "Black screen"
1696 };
1697
1698 static int tvp5150_probe(struct i2c_client *c)
1699 {
1700         struct tvp5150 *core;
1701         struct v4l2_subdev *sd;
1702         struct device_node *np = c->dev.of_node;
1703         struct regmap *map;
1704         int res;
1705
1706         /* Check if the adapter supports the needed features */
1707         if (!i2c_check_functionality(c->adapter,
1708              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1709                 return -EIO;
1710
1711         res = tvp5150_init(c);
1712         if (res)
1713                 return res;
1714
1715         core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1716         if (!core)
1717                 return -ENOMEM;
1718
1719         map = devm_regmap_init_i2c(c, &tvp5150_config);
1720         if (IS_ERR(map))
1721                 return PTR_ERR(map);
1722
1723         core->regmap = map;
1724         sd = &core->sd;
1725
1726         if (IS_ENABLED(CONFIG_OF) && np) {
1727                 res = tvp5150_parse_dt(core, np);
1728                 if (res) {
1729                         dev_err(sd->dev, "DT parsing error: %d\n", res);
1730                         return res;
1731                 }
1732         } else {
1733                 /* Default to BT.656 embedded sync */
1734                 core->mbus_type = V4L2_MBUS_BT656;
1735         }
1736
1737         v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1738         sd->internal_ops = &tvp5150_internal_ops;
1739         sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1740
1741 #if defined(CONFIG_MEDIA_CONTROLLER)
1742         core->pads[TVP5150_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
1743         core->pads[TVP5150_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG;
1744         core->pads[TVP5150_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
1745         core->pads[TVP5150_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV;
1746
1747         sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1748
1749         res = media_entity_pads_init(&sd->entity, TVP5150_NUM_PADS, core->pads);
1750         if (res < 0)
1751                 return res;
1752
1753         sd->entity.ops = &tvp5150_sd_media_ops;
1754 #endif
1755
1756         res = tvp5150_detect_version(core);
1757         if (res < 0)
1758                 return res;
1759
1760         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1761         core->detected_norm = V4L2_STD_UNKNOWN;
1762         core->input = TVP5150_COMPOSITE1;
1763         core->enable = true;
1764
1765         v4l2_ctrl_handler_init(&core->hdl, 5);
1766         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1767                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1768         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1769                         V4L2_CID_CONTRAST, 0, 255, 1, 128);
1770         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1771                         V4L2_CID_SATURATION, 0, 255, 1, 128);
1772         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1773                         V4L2_CID_HUE, -128, 127, 1, 0);
1774         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1775                         V4L2_CID_PIXEL_RATE, 27000000,
1776                         27000000, 1, 27000000);
1777         v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
1778                                      V4L2_CID_TEST_PATTERN,
1779                                      ARRAY_SIZE(tvp5150_test_patterns) - 1,
1780                                      0, 0, tvp5150_test_patterns);
1781         sd->ctrl_handler = &core->hdl;
1782         if (core->hdl.error) {
1783                 res = core->hdl.error;
1784                 goto err;
1785         }
1786
1787         tvp5150_set_default(tvp5150_read_std(sd), &core->rect);
1788
1789         core->irq = c->irq;
1790         tvp5150_reset(sd, 0);   /* Calls v4l2_ctrl_handler_setup() */
1791         if (c->irq) {
1792                 res = devm_request_threaded_irq(&c->dev, c->irq, NULL,
1793                                                 tvp5150_isr, IRQF_TRIGGER_HIGH |
1794                                                 IRQF_ONESHOT, "tvp5150", core);
1795                 if (res)
1796                         goto err;
1797         }
1798
1799         res = v4l2_async_register_subdev(sd);
1800         if (res < 0)
1801                 goto err;
1802
1803         if (debug > 1)
1804                 tvp5150_log_status(sd);
1805         return 0;
1806
1807 err:
1808         v4l2_ctrl_handler_free(&core->hdl);
1809         return res;
1810 }
1811
1812 static int tvp5150_remove(struct i2c_client *c)
1813 {
1814         struct v4l2_subdev *sd = i2c_get_clientdata(c);
1815         struct tvp5150 *decoder = to_tvp5150(sd);
1816
1817         dev_dbg_lvl(sd->dev, 1, debug,
1818                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1819                 c->addr << 1);
1820
1821         v4l2_async_unregister_subdev(sd);
1822         v4l2_ctrl_handler_free(&decoder->hdl);
1823         return 0;
1824 }
1825
1826 /* ----------------------------------------------------------------------- */
1827
1828 static const struct i2c_device_id tvp5150_id[] = {
1829         { "tvp5150", 0 },
1830         { }
1831 };
1832 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1833
1834 #if IS_ENABLED(CONFIG_OF)
1835 static const struct of_device_id tvp5150_of_match[] = {
1836         { .compatible = "ti,tvp5150", },
1837         { /* sentinel */ },
1838 };
1839 MODULE_DEVICE_TABLE(of, tvp5150_of_match);
1840 #endif
1841
1842 static struct i2c_driver tvp5150_driver = {
1843         .driver = {
1844                 .of_match_table = of_match_ptr(tvp5150_of_match),
1845                 .name   = "tvp5150",
1846         },
1847         .probe_new      = tvp5150_probe,
1848         .remove         = tvp5150_remove,
1849         .id_table       = tvp5150_id,
1850 };
1851
1852 module_i2c_driver(tvp5150_driver);