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/pm_runtime.h>
  17 #include <linux/regmap.h>
  18 #include <media/v4l2-async.h>
  19 #include <media/v4l2-device.h>
  20 #include <media/v4l2-event.h>
  21 #include <media/v4l2-ctrls.h>
  22 #include <media/v4l2-fwnode.h>
  23 #include <media/v4l2-mc.h>
  24 #include <media/v4l2-rect.h>
  25
  26 #include "tvp5150_reg.h"
  27
  28 #define TVP5150_H_MAX           720U
  29 #define TVP5150_V_MAX_525_60    480U
  30 #define TVP5150_V_MAX_OTHERS    576U
  31 #define TVP5150_MAX_CROP_LEFT   511
  32 #define TVP5150_MAX_CROP_TOP    127
  33 #define TVP5150_CROP_SHIFT      2
  34 #define TVP5150_MBUS_FMT        MEDIA_BUS_FMT_UYVY8_2X8
  35 #define TVP5150_FIELD           V4L2_FIELD_ALTERNATE
  36 #define TVP5150_COLORSPACE      V4L2_COLORSPACE_SMPTE170M
  37 #define TVP5150_STD_MASK        (V4L2_STD_NTSC     | \
  38                                  V4L2_STD_NTSC_443 | \
  39                                  V4L2_STD_PAL      | \
  40                                  V4L2_STD_PAL_M    | \
  41                                  V4L2_STD_PAL_N    | \
  42                                  V4L2_STD_PAL_Nc   | \
  43                                  V4L2_STD_SECAM)
  44
  45 #define TVP5150_MAX_CONNECTORS  3 /* Check dt-bindings for more information */
  46
  47 MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
  48 MODULE_AUTHOR("Mauro Carvalho Chehab");
  49 MODULE_LICENSE("GPL v2");
  50
  51
  52 static int debug;
  53 module_param(debug, int, 0644);
  54 MODULE_PARM_DESC(debug, "Debug level (0-2)");
  55
  56 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
  57
  58 enum tvp5150_pads {
  59         TVP5150_PAD_AIP1A,
  60         TVP5150_PAD_AIP1B,
  61         TVP5150_PAD_VID_OUT,
  62         TVP5150_NUM_PADS
  63 };
  64
  65 struct tvp5150_connector {
  66         struct v4l2_fwnode_connector base;
  67         struct media_entity ent;
  68         struct media_pad pad;
  69 };
  70
  71 struct tvp5150 {
  72         struct v4l2_subdev sd;
  73
  74         struct media_pad pads[TVP5150_NUM_PADS];
  75         struct tvp5150_connector connectors[TVP5150_MAX_CONNECTORS];
  76         struct tvp5150_connector *cur_connector;
  77         unsigned int connectors_num;
  78
  79         struct v4l2_ctrl_handler hdl;
  80         struct v4l2_rect rect;
  81         struct regmap *regmap;
  82         int irq;
  83
  84         v4l2_std_id norm;       /* Current set standard */
  85         v4l2_std_id detected_norm;
  86         u32 input;
  87         u32 output;
  88         u32 oe;
  89         int enable;
  90         bool lock;
  91
  92         u16 dev_id;
  93         u16 rom_ver;
  94
  95         enum v4l2_mbus_type mbus_type;
  96 };
  97
  98 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
  99 {
 100         return container_of(sd, struct tvp5150, sd);
 101 }
 102
 103 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
 104 {
 105         return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
 106 }
 107
 108 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
 109 {
 110         struct tvp5150 *decoder = to_tvp5150(sd);
 111         int ret, val;
 112
 113         ret = regmap_read(decoder->regmap, addr, &val);
 114         if (ret < 0)
 115                 return ret;
 116
 117         return val;
 118 }
 119
 120 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
 121                                 const u8 end, int max_line)
 122 {
 123         u8 buf[16];
 124         int i = 0, j, len;
 125
 126         if (max_line > 16) {
 127                 dprintk0(sd->dev, "too much data to dump\n");
 128                 return;
 129         }
 130
 131         for (i = init; i < end; i += max_line) {
 132                 len = (end - i > max_line) ? max_line : end - i;
 133
 134                 for (j = 0; j < len; j++)
 135                         buf[j] = tvp5150_read(sd, i + j);
 136
 137                 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);
 138         }
 139 }
 140
 141 static int tvp5150_log_status(struct v4l2_subdev *sd)
 142 {
 143         dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",
 144                 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
 145         dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",
 146                 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
 147         dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",
 148                 tvp5150_read(sd, TVP5150_OP_MODE_CTL));
 149         dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",
 150                 tvp5150_read(sd, TVP5150_MISC_CTL));
 151         dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",
 152                 tvp5150_read(sd, TVP5150_AUTOSW_MSK));
 153         dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",
 154                 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
 155         dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
 156                 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
 157                 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
 158                 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
 159         dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",
 160                 tvp5150_read(sd, TVP5150_BRIGHT_CTL));
 161         dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",
 162                 tvp5150_read(sd, TVP5150_SATURATION_CTL));
 163         dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",
 164                 tvp5150_read(sd, TVP5150_HUE_CTL));
 165         dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",
 166                 tvp5150_read(sd, TVP5150_CONTRAST_CTL));
 167         dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",
 168                 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
 169         dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",
 170                 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
 171         dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",
 172                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
 173                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
 174         dprintk0(sd->dev, "tvp5150: Active video cropping stop  = 0x%02x%02x\n",
 175                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
 176                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
 177         dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",
 178                 tvp5150_read(sd, TVP5150_GENLOCK));
 179         dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",
 180                 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
 181         dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",
 182                 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
 183         dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",
 184                 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
 185         dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
 186                 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
 187                 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
 188         dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",
 189                 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
 190         dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",
 191                 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
 192         dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",
 193                 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
 194         dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",
 195                 tvp5150_read(sd, TVP5150_VIDEO_STD));
 196         dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
 197                 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
 198                 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
 199         dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",
 200                 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
 201         dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",
 202                 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
 203         dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
 204                 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
 205         dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",
 206                 tvp5150_read(sd, TVP5150_MSB_DEV_ID),
 207                 tvp5150_read(sd, TVP5150_LSB_DEV_ID));
 208         dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",
 209                 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
 210                 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
 211         dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",
 212                 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
 213                 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
 214         dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",
 215                 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
 216         dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",
 217                 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
 218         dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
 219                 tvp5150_read(sd, TVP5150_STATUS_REG_1),
 220                 tvp5150_read(sd, TVP5150_STATUS_REG_2),
 221                 tvp5150_read(sd, TVP5150_STATUS_REG_3),
 222                 tvp5150_read(sd, TVP5150_STATUS_REG_4),
 223                 tvp5150_read(sd, TVP5150_STATUS_REG_5));
 224
 225         dump_reg_range(sd, "Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
 226                         TVP5150_TELETEXT_FIL1_END, 8);
 227         dump_reg_range(sd, "Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
 228                         TVP5150_TELETEXT_FIL2_END, 8);
 229
 230         dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",
 231                 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
 232         dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",
 233                 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
 234         dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",
 235                 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
 236         dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",
 237                 tvp5150_read(sd, TVP5150_INT_CONF));
 238         dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",
 239                 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
 240         dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",
 241                 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
 242         dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",
 243                 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
 244         dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",
 245                 tvp5150_read(sd, TVP5150_FIFO_RESET));
 246         dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",
 247                 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
 248         dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",
 249                 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
 250                 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
 251         dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",
 252                 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
 253         dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",
 254                 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
 255         dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",
 256                 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
 257
 258         dump_reg_range(sd, "CC   data",   TVP5150_CC_DATA_INI,
 259                         TVP5150_CC_DATA_END, 8);
 260
 261         dump_reg_range(sd, "WSS  data",   TVP5150_WSS_DATA_INI,
 262                         TVP5150_WSS_DATA_END, 8);
 263
 264         dump_reg_range(sd, "VPS  data",   TVP5150_VPS_DATA_INI,
 265                         TVP5150_VPS_DATA_END, 8);
 266
 267         dump_reg_range(sd, "VITC data",   TVP5150_VITC_DATA_INI,
 268                         TVP5150_VITC_DATA_END, 10);
 269
 270         dump_reg_range(sd, "Line mode",   TVP5150_LINE_MODE_INI,
 271                         TVP5150_LINE_MODE_END, 8);
 272         return 0;
 273 }
 274
 275 /****************************************************************************
 276                         Basic functions
 277  ****************************************************************************/
 278
 279 static void tvp5150_selmux(struct v4l2_subdev *sd)
 280 {
 281         int opmode = 0;
 282         struct tvp5150 *decoder = to_tvp5150(sd);
 283         unsigned int mask, val;
 284         int input = 0;
 285
 286         /* Only tvp5150am1 and tvp5151 have signal generator support */
 287         if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
 288             (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
 289                 if (!decoder->enable)
 290                         input = 8;
 291         }
 292
 293         switch (decoder->input) {
 294         case TVP5150_COMPOSITE1:
 295                 input |= 2;
 296                 fallthrough;
 297         case TVP5150_COMPOSITE0:
 298                 break;
 299         case TVP5150_SVIDEO:
 300         default:
 301                 input |= 1;
 302                 break;
 303         }
 304
 305         dev_dbg_lvl(sd->dev, 1, debug,
 306                     "Selecting video route: route input=%s, output=%s => tvp5150 input=0x%02x, opmode=0x%02x\n",
 307                     decoder->input == 0 ? "aip1a" :
 308                     decoder->input == 2 ? "aip1b" : "svideo",
 309                     decoder->output == 0 ? "normal" : "black-frame-gen",
 310                     input, opmode);
 311
 312         regmap_write(decoder->regmap, TVP5150_OP_MODE_CTL, opmode);
 313         regmap_write(decoder->regmap, TVP5150_VD_IN_SRC_SEL_1, input);
 314
 315         /*
 316          * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For
 317          * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK
 318          * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the
 319          * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set
 320          * INTREQ/GPCL/VBLK to logic 1.
 321          */
 322         mask = TVP5150_MISC_CTL_GPCL | TVP5150_MISC_CTL_HVLK;
 323         if (decoder->input == TVP5150_SVIDEO)
 324                 val = TVP5150_MISC_CTL_HVLK;
 325         else
 326                 val = TVP5150_MISC_CTL_GPCL;
 327         regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);
 328 };
 329
 330 struct i2c_reg_value {
 331         unsigned char reg;
 332         unsigned char value;
 333 };
 334
 335 /* Default values as sugested at TVP5150AM1 datasheet */
 336 static const struct i2c_reg_value tvp5150_init_default[] = {
 337         { /* 0x00 */
 338                 TVP5150_VD_IN_SRC_SEL_1, 0x00
 339         },
 340         { /* 0x01 */
 341                 TVP5150_ANAL_CHL_CTL, 0x15
 342         },
 343         { /* 0x02 */
 344                 TVP5150_OP_MODE_CTL, 0x00
 345         },
 346         { /* 0x03 */
 347                 TVP5150_MISC_CTL, 0x01
 348         },
 349         { /* 0x06 */
 350                 TVP5150_COLOR_KIL_THSH_CTL, 0x10
 351         },
 352         { /* 0x07 */
 353                 TVP5150_LUMA_PROC_CTL_1, 0x60
 354         },
 355         { /* 0x08 */
 356                 TVP5150_LUMA_PROC_CTL_2, 0x00
 357         },
 358         { /* 0x09 */
 359                 TVP5150_BRIGHT_CTL, 0x80
 360         },
 361         { /* 0x0a */
 362                 TVP5150_SATURATION_CTL, 0x80
 363         },
 364         { /* 0x0b */
 365                 TVP5150_HUE_CTL, 0x00
 366         },
 367         { /* 0x0c */
 368                 TVP5150_CONTRAST_CTL, 0x80
 369         },
 370         { /* 0x0d */
 371                 TVP5150_DATA_RATE_SEL, 0x47
 372         },
 373         { /* 0x0e */
 374                 TVP5150_LUMA_PROC_CTL_3, 0x00
 375         },
 376         { /* 0x0f */
 377                 TVP5150_CONF_SHARED_PIN, 0x08
 378         },
 379         { /* 0x11 */
 380                 TVP5150_ACT_VD_CROP_ST_MSB, 0x00
 381         },
 382         { /* 0x12 */
 383                 TVP5150_ACT_VD_CROP_ST_LSB, 0x00
 384         },
 385         { /* 0x13 */
 386                 TVP5150_ACT_VD_CROP_STP_MSB, 0x00
 387         },
 388         { /* 0x14 */
 389                 TVP5150_ACT_VD_CROP_STP_LSB, 0x00
 390         },
 391         { /* 0x15 */
 392                 TVP5150_GENLOCK, 0x01
 393         },
 394         { /* 0x16 */
 395                 TVP5150_HORIZ_SYNC_START, 0x80
 396         },
 397         { /* 0x18 */
 398                 TVP5150_VERT_BLANKING_START, 0x00
 399         },
 400         { /* 0x19 */
 401                 TVP5150_VERT_BLANKING_STOP, 0x00
 402         },
 403         { /* 0x1a */
 404                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 405         },
 406         { /* 0x1b */
 407                 TVP5150_CHROMA_PROC_CTL_2, 0x14
 408         },
 409         { /* 0x1c */
 410                 TVP5150_INT_RESET_REG_B, 0x00
 411         },
 412         { /* 0x1d */
 413                 TVP5150_INT_ENABLE_REG_B, 0x00
 414         },
 415         { /* 0x1e */
 416                 TVP5150_INTT_CONFIG_REG_B, 0x00
 417         },
 418         { /* 0x28 */
 419                 TVP5150_VIDEO_STD, 0x00
 420         },
 421         { /* 0x2e */
 422                 TVP5150_MACROVISION_ON_CTR, 0x0f
 423         },
 424         { /* 0x2f */
 425                 TVP5150_MACROVISION_OFF_CTR, 0x01
 426         },
 427         { /* 0xbb */
 428                 TVP5150_TELETEXT_FIL_ENA, 0x00
 429         },
 430         { /* 0xc0 */
 431                 TVP5150_INT_STATUS_REG_A, 0x00
 432         },
 433         { /* 0xc1 */
 434                 TVP5150_INT_ENABLE_REG_A, 0x00
 435         },
 436         { /* 0xc2 */
 437                 TVP5150_INT_CONF, 0x04
 438         },
 439         { /* 0xc8 */
 440                 TVP5150_FIFO_INT_THRESHOLD, 0x80
 441         },
 442         { /* 0xc9 */
 443                 TVP5150_FIFO_RESET, 0x00
 444         },
 445         { /* 0xca */
 446                 TVP5150_LINE_NUMBER_INT, 0x00
 447         },
 448         { /* 0xcb */
 449                 TVP5150_PIX_ALIGN_REG_LOW, 0x4e
 450         },
 451         { /* 0xcc */
 452                 TVP5150_PIX_ALIGN_REG_HIGH, 0x00
 453         },
 454         { /* 0xcd */
 455                 TVP5150_FIFO_OUT_CTRL, 0x01
 456         },
 457         { /* 0xcf */
 458                 TVP5150_FULL_FIELD_ENA, 0x00
 459         },
 460         { /* 0xd0 */
 461                 TVP5150_LINE_MODE_INI, 0x00
 462         },
 463         { /* 0xfc */
 464                 TVP5150_FULL_FIELD_MODE_REG, 0x7f
 465         },
 466         { /* end of data */
 467                 0xff, 0xff
 468         }
 469 };
 470
 471 /* Default values as sugested at TVP5150AM1 datasheet */
 472 static const struct i2c_reg_value tvp5150_init_enable[] = {
 473         {       /* Automatic offset and AGC enabled */
 474                 TVP5150_ANAL_CHL_CTL, 0x15
 475         }, {    /* Activate YCrCb output 0x9 or 0xd ? */
 476                 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL |
 477                                   TVP5150_MISC_CTL_INTREQ_OE |
 478                                   TVP5150_MISC_CTL_YCBCR_OE |
 479                                   TVP5150_MISC_CTL_SYNC_OE |
 480                                   TVP5150_MISC_CTL_VBLANK |
 481                                   TVP5150_MISC_CTL_CLOCK_OE,
 482         }, {    /* Activates video std autodetection for all standards */
 483                 TVP5150_AUTOSW_MSK, 0x0
 484         }, {    /* Default format: 0x47. For 4:2:2: 0x40 */
 485                 TVP5150_DATA_RATE_SEL, 0x47
 486         }, {
 487                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 488         }, {
 489                 TVP5150_CHROMA_PROC_CTL_2, 0x54
 490         }, {    /* Non documented, but initialized on WinTV USB2 */
 491                 0x27, 0x20
 492         }, {
 493                 0xff, 0xff
 494         }
 495 };
 496
 497 struct tvp5150_vbi_type {
 498         unsigned int vbi_type;
 499         unsigned int ini_line;
 500         unsigned int end_line;
 501         unsigned int by_field :1;
 502 };
 503
 504 struct i2c_vbi_ram_value {
 505         u16 reg;
 506         struct tvp5150_vbi_type type;
 507         unsigned char values[16];
 508 };
 509
 510 /* This struct have the values for each supported VBI Standard
 511  * by
 512  tvp5150_vbi_types should follow the same order as vbi_ram_default
 513  * value 0 means rom position 0x10, value 1 means rom position 0x30
 514  * and so on. There are 16 possible locations from 0 to 15.
 515  */
 516
 517 static struct i2c_vbi_ram_value vbi_ram_default[] = {
 518
 519         /*
 520          * FIXME: Current api doesn't handle all VBI types, those not
 521          * yet supported are placed under #if 0
 522          */
 523 #if 0
 524         [0] = {0x010, /* Teletext, SECAM, WST System A */
 525                 {V4L2_SLICED_TELETEXT_SECAM, 6, 23, 1},
 526                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 527                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 528         },
 529 #endif
 530         [1] = {0x030, /* Teletext, PAL, WST System B */
 531                 {V4L2_SLICED_TELETEXT_B, 6, 22, 1},
 532                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 533                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 534         },
 535 #if 0
 536         [2] = {0x050, /* Teletext, PAL, WST System C */
 537                 {V4L2_SLICED_TELETEXT_PAL_C, 6, 22, 1},
 538                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 539                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 540         },
 541         [3] = {0x070, /* Teletext, NTSC, WST System B */
 542                 {V4L2_SLICED_TELETEXT_NTSC_B, 10, 21, 1},
 543                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 544                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 545         },
 546         [4] = {0x090, /* Tetetext, NTSC NABTS System C */
 547                 {V4L2_SLICED_TELETEXT_NTSC_C, 10, 21, 1},
 548                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 549                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 550         },
 551         [5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 552                 {V4L2_SLICED_TELETEXT_NTSC_D, 10, 21, 1},
 553                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 554                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 555         },
 556         [6] = {0x0d0, /* Closed Caption, PAL/SECAM */
 557                 {V4L2_SLICED_CAPTION_625, 22, 22, 1},
 558                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 559                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 560         },
 561 #endif
 562         [7] = {0x0f0, /* Closed Caption, NTSC */
 563                 {V4L2_SLICED_CAPTION_525, 21, 21, 1},
 564                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 565                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 566         },
 567         [8] = {0x110, /* Wide Screen Signal, PAL/SECAM */
 568                 {V4L2_SLICED_WSS_625, 23, 23, 1},
 569                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 570                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 571         },
 572 #if 0
 573         [9] = {0x130, /* Wide Screen Signal, NTSC C */
 574                 {V4L2_SLICED_WSS_525, 20, 20, 1},
 575                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 576                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 577         },
 578         [10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 579                 {V4l2_SLICED_VITC_625, 6, 22, 0},
 580                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 581                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 582         },
 583         [11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 584                 {V4l2_SLICED_VITC_525, 10, 20, 0},
 585                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 586                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 587         },
 588 #endif
 589         [12] = {0x190, /* Video Program System (VPS), PAL */
 590                 {V4L2_SLICED_VPS, 16, 16, 0},
 591                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 592                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 593         },
 594         /* 0x1d0 User programmable */
 595 };
 596
 597 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
 598                                 const struct i2c_reg_value *regs)
 599 {
 600         struct tvp5150 *decoder = to_tvp5150(sd);
 601
 602         while (regs->reg != 0xff) {
 603                 regmap_write(decoder->regmap, regs->reg, regs->value);
 604                 regs++;
 605         }
 606         return 0;
 607 }
 608
 609 static int tvp5150_vdp_init(struct v4l2_subdev *sd)
 610 {
 611         struct tvp5150 *decoder = to_tvp5150(sd);
 612         struct regmap *map = decoder->regmap;
 613         unsigned int i;
 614         int j;
 615
 616         /* Disable Full Field */
 617         regmap_write(map, TVP5150_FULL_FIELD_ENA, 0);
 618
 619         /* Before programming, Line mode should be at 0xff */
 620         for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
 621                 regmap_write(map, i, 0xff);
 622
 623         /* Load Ram Table */
 624         for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) {
 625                 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j];
 626
 627                 if (!regs->type.vbi_type)
 628                         continue;
 629
 630                 regmap_write(map, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
 631                 regmap_write(map, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
 632
 633                 for (i = 0; i < 16; i++)
 634                         regmap_write(map, TVP5150_VDP_CONF_RAM_DATA,
 635                                      regs->values[i]);
 636         }
 637         return 0;
 638 }
 639
 640 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 641 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
 642                                 struct v4l2_sliced_vbi_cap *cap)
 643 {
 644         int line, i;
 645
 646         dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
 647         memset(cap, 0, sizeof(*cap));
 648
 649         for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
 650                 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
 651
 652                 if (!regs->type.vbi_type)
 653                         continue;
 654
 655                 for (line = regs->type.ini_line;
 656                      line <= regs->type.end_line;
 657                      line++) {
 658                         cap->service_lines[0][line] |= regs->type.vbi_type;
 659                 }
 660                 cap->service_set |= regs->type.vbi_type;
 661         }
 662         return 0;
 663 }
 664
 665 /* Set vbi processing
 666  * type - one of tvp5150_vbi_types
 667  * line - line to gather data
 668  * fields: bit 0 field1, bit 1, field2
 669  * flags (default=0xf0) is a bitmask, were set means:
 670  *      bit 7: enable filtering null bytes on CC
 671  *      bit 6: send data also to FIFO
 672  *      bit 5: don't allow data with errors on FIFO
 673  *      bit 4: enable ECC when possible
 674  * pix_align = pix alignment:
 675  *      LSB = field1
 676  *      MSB = field2
 677  */
 678 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 679                         unsigned int type, u8 flags, int line,
 680                         const int fields)
 681 {
 682         struct tvp5150 *decoder = to_tvp5150(sd);
 683         v4l2_std_id std = decoder->norm;
 684         u8 reg;
 685         int i, pos = 0;
 686
 687         if (std == V4L2_STD_ALL) {
 688                 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
 689                 return 0;
 690         } else if (std & V4L2_STD_625_50) {
 691                 /* Don't follow NTSC Line number convension */
 692                 line += 3;
 693         }
 694
 695         if (line < 6 || line > 27)
 696                 return 0;
 697
 698         for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
 699                 const struct i2c_vbi_ram_value *regs =  &vbi_ram_default[i];
 700
 701                 if (!regs->type.vbi_type)
 702                         continue;
 703
 704                 if ((type & regs->type.vbi_type) &&
 705                     (line >= regs->type.ini_line) &&
 706                     (line <= regs->type.end_line))
 707                         break;
 708                 pos++;
 709         }
 710
 711         type = pos | (flags & 0xf0);
 712         reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 713
 714         if (fields & 1)
 715                 regmap_write(decoder->regmap, reg, type);
 716
 717         if (fields & 2)
 718                 regmap_write(decoder->regmap, reg + 1, type);
 719
 720         return type;
 721 }
 722
 723 static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line)
 724 {
 725         struct tvp5150 *decoder = to_tvp5150(sd);
 726         v4l2_std_id std = decoder->norm;
 727         u8 reg;
 728         int pos, type = 0;
 729         int i, ret = 0;
 730
 731         if (std == V4L2_STD_ALL) {
 732                 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
 733                 return 0;
 734         } else if (std & V4L2_STD_625_50) {
 735                 /* Don't follow NTSC Line number convension */
 736                 line += 3;
 737         }
 738
 739         if (line < 6 || line > 27)
 740                 return 0;
 741
 742         reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 743
 744         for (i = 0; i <= 1; i++) {
 745                 ret = tvp5150_read(sd, reg + i);
 746                 if (ret < 0) {
 747                         dev_err(sd->dev, "%s: failed with error = %d\n",
 748                                  __func__, ret);
 749                         return 0;
 750                 }
 751                 pos = ret & 0x0f;
 752                 if (pos < ARRAY_SIZE(vbi_ram_default))
 753                         type |= vbi_ram_default[pos].type.vbi_type;
 754         }
 755
 756         return type;
 757 }
 758
 759 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
 760 {
 761         struct tvp5150 *decoder = to_tvp5150(sd);
 762         int fmt = 0;
 763
 764         /* First tests should be against specific std */
 765
 766         if (std == V4L2_STD_NTSC_443) {
 767                 fmt = VIDEO_STD_NTSC_4_43_BIT;
 768         } else if (std == V4L2_STD_PAL_M) {
 769                 fmt = VIDEO_STD_PAL_M_BIT;
 770         } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
 771                 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
 772         } else {
 773                 /* Then, test against generic ones */
 774                 if (std & V4L2_STD_NTSC)
 775                         fmt = VIDEO_STD_NTSC_MJ_BIT;
 776                 else if (std & V4L2_STD_PAL)
 777                         fmt = VIDEO_STD_PAL_BDGHIN_BIT;
 778                 else if (std & V4L2_STD_SECAM)
 779                         fmt = VIDEO_STD_SECAM_BIT;
 780         }
 781
 782         dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
 783         regmap_write(decoder->regmap, TVP5150_VIDEO_STD, fmt);
 784         return 0;
 785 }
 786
 787 static int tvp5150_g_std(struct v4l2_subdev *sd, v4l2_std_id *std)
 788 {
 789         struct tvp5150 *decoder = to_tvp5150(sd);
 790
 791         *std = decoder->norm;
 792
 793         return 0;
 794 }
 795
 796 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 797 {
 798         struct tvp5150 *decoder = to_tvp5150(sd);
 799         struct tvp5150_connector *cur_con = decoder->cur_connector;
 800         v4l2_std_id supported_stds;
 801
 802         if (decoder->norm == std)
 803                 return 0;
 804
 805         /* In case of no of-connectors are available no limitations are made */
 806         if (!decoder->connectors_num)
 807                 supported_stds = V4L2_STD_ALL;
 808         else
 809                 supported_stds = cur_con->base.connector.analog.sdtv_stds;
 810
 811         /*
 812          * Check if requested std or group of std's is/are supported by the
 813          * connector.
 814          */
 815         if ((supported_stds & std) == 0)
 816                 return -EINVAL;
 817
 818         /* Change cropping height limits */
 819         if (std & V4L2_STD_525_60)
 820                 decoder->rect.height = TVP5150_V_MAX_525_60;
 821         else
 822                 decoder->rect.height = TVP5150_V_MAX_OTHERS;
 823
 824         /* Set only the specific supported std in case of group of std's. */
 825         decoder->norm = supported_stds & std;
 826
 827         return tvp5150_set_std(sd, std);
 828 }
 829
 830 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
 831 {
 832         int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
 833
 834         switch (val & 0x0F) {
 835         case 0x01:
 836                 return V4L2_STD_NTSC;
 837         case 0x03:
 838                 return V4L2_STD_PAL;
 839         case 0x05:
 840                 return V4L2_STD_PAL_M;
 841         case 0x07:
 842                 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
 843         case 0x09:
 844                 return V4L2_STD_NTSC_443;
 845         case 0xb:
 846                 return V4L2_STD_SECAM;
 847         default:
 848                 return V4L2_STD_UNKNOWN;
 849         }
 850 }
 851
 852 static int query_lock(struct v4l2_subdev *sd)
 853 {
 854         struct tvp5150 *decoder = to_tvp5150(sd);
 855         int status;
 856
 857         if (decoder->irq)
 858                 return decoder->lock;
 859
 860         regmap_read(decoder->regmap, TVP5150_STATUS_REG_1, &status);
 861
 862         /* For standard detection, we need the 3 locks */
 863         return (status & 0x0e) == 0x0e;
 864 }
 865
 866 static int tvp5150_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
 867 {
 868         *std_id = query_lock(sd) ? tvp5150_read_std(sd) : V4L2_STD_UNKNOWN;
 869
 870         return 0;
 871 }
 872
 873 static const struct v4l2_event tvp5150_ev_fmt = {
 874         .type = V4L2_EVENT_SOURCE_CHANGE,
 875         .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
 876 };
 877
 878 static irqreturn_t tvp5150_isr(int irq, void *dev_id)
 879 {
 880         struct tvp5150 *decoder = dev_id;
 881         struct regmap *map = decoder->regmap;
 882         unsigned int mask, active = 0, status = 0;
 883
 884         mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
 885                TVP5150_MISC_CTL_CLOCK_OE;
 886
 887         regmap_read(map, TVP5150_INT_STATUS_REG_A, &status);
 888         if (status) {
 889                 regmap_write(map, TVP5150_INT_STATUS_REG_A, status);
 890
 891                 if (status & TVP5150_INT_A_LOCK) {
 892                         decoder->lock = !!(status & TVP5150_INT_A_LOCK_STATUS);
 893                         dev_dbg_lvl(decoder->sd.dev, 1, debug,
 894                                     "sync lo%s signal\n",
 895                                     decoder->lock ? "ck" : "ss");
 896                         v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
 897                         regmap_update_bits(map, TVP5150_MISC_CTL, mask,
 898                                            decoder->lock ? decoder->oe : 0);
 899                 }
 900
 901                 return IRQ_HANDLED;
 902         }
 903
 904         regmap_read(map, TVP5150_INT_ACTIVE_REG_B, &active);
 905         if (active) {
 906                 status = 0;
 907                 regmap_read(map, TVP5150_INT_STATUS_REG_B, &status);
 908                 if (status)
 909                         regmap_write(map, TVP5150_INT_RESET_REG_B, status);
 910         }
 911
 912         return IRQ_HANDLED;
 913 }
 914
 915 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
 916 {
 917         struct tvp5150 *decoder = to_tvp5150(sd);
 918         struct regmap *map = decoder->regmap;
 919
 920         /* Initializes TVP5150 to its default values */
 921         tvp5150_write_inittab(sd, tvp5150_init_default);
 922
 923         if (decoder->irq) {
 924                 /* Configure pins: FID, VSYNC, INTREQ, SCLK */
 925                 regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x0);
 926                 /* Set interrupt polarity to active high */
 927                 regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE | 0x1);
 928                 regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x1);
 929         } else {
 930                 /* Configure pins: FID, VSYNC, GPCL/VBLK, SCLK */
 931                 regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x2);
 932                 /* Keep interrupt polarity active low */
 933                 regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE);
 934                 regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x0);
 935         }
 936
 937         /* Initializes VDP registers */
 938         tvp5150_vdp_init(sd);
 939
 940         /* Selects decoder input */
 941         tvp5150_selmux(sd);
 942
 943         /* Initialize image preferences */
 944         v4l2_ctrl_handler_setup(&decoder->hdl);
 945
 946         return 0;
 947 }
 948
 949 static int tvp5150_enable(struct v4l2_subdev *sd)
 950 {
 951         struct tvp5150 *decoder = to_tvp5150(sd);
 952         v4l2_std_id std;
 953
 954         /* Initializes TVP5150 to stream enabled values */
 955         tvp5150_write_inittab(sd, tvp5150_init_enable);
 956
 957         if (decoder->norm == V4L2_STD_ALL)
 958                 std = tvp5150_read_std(sd);
 959         else
 960                 std = decoder->norm;
 961
 962         /* Disable autoswitch mode */
 963         tvp5150_set_std(sd, std);
 964
 965         /*
 966          * Enable the YCbCr and clock outputs. In discrete sync mode
 967          * (non-BT.656) additionally enable the sync outputs.
 968          */
 969         switch (decoder->mbus_type) {
 970         case V4L2_MBUS_PARALLEL:
 971                 /* 8-bit 4:2:2 YUV with discrete sync output */
 972                 regmap_update_bits(decoder->regmap, TVP5150_DATA_RATE_SEL,
 973                                    0x7, 0x0);
 974                 decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |
 975                               TVP5150_MISC_CTL_CLOCK_OE |
 976                               TVP5150_MISC_CTL_SYNC_OE;
 977                 break;
 978         case V4L2_MBUS_BT656:
 979                 decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |
 980                               TVP5150_MISC_CTL_CLOCK_OE;
 981                 break;
 982         default:
 983                 return -EINVAL;
 984         }
 985
 986         return 0;
 987 };
 988
 989 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
 990 {
 991         struct v4l2_subdev *sd = to_sd(ctrl);
 992         struct tvp5150 *decoder = to_tvp5150(sd);
 993
 994         switch (ctrl->id) {
 995         case V4L2_CID_BRIGHTNESS:
 996                 regmap_write(decoder->regmap, TVP5150_BRIGHT_CTL, ctrl->val);
 997                 return 0;
 998         case V4L2_CID_CONTRAST:
 999                 regmap_write(decoder->regmap, TVP5150_CONTRAST_CTL, ctrl->val);
1000                 return 0;
1001         case V4L2_CID_SATURATION:
1002                 regmap_write(decoder->regmap, TVP5150_SATURATION_CTL,
1003                              ctrl->val);
1004                 return 0;
1005         case V4L2_CID_HUE:
1006                 regmap_write(decoder->regmap, TVP5150_HUE_CTL, ctrl->val);
1007                 return 0;
1008         case V4L2_CID_TEST_PATTERN:
1009                 decoder->enable = ctrl->val ? false : true;
1010                 tvp5150_selmux(sd);
1011                 return 0;
1012         }
1013         return -EINVAL;
1014 }
1015
1016 static void tvp5150_set_default(v4l2_std_id std, struct v4l2_rect *crop)
1017 {
1018         /* Default is no cropping */
1019         crop->top = 0;
1020         crop->left = 0;
1021         crop->width = TVP5150_H_MAX;
1022         if (std & V4L2_STD_525_60)
1023                 crop->height = TVP5150_V_MAX_525_60;
1024         else
1025                 crop->height = TVP5150_V_MAX_OTHERS;
1026 }
1027
1028 static struct v4l2_rect *
1029 tvp5150_get_pad_crop(struct tvp5150 *decoder,
1030                      struct v4l2_subdev_state *sd_state, unsigned int pad,
1031                      enum v4l2_subdev_format_whence which)
1032 {
1033         switch (which) {
1034         case V4L2_SUBDEV_FORMAT_ACTIVE:
1035                 return &decoder->rect;
1036         case V4L2_SUBDEV_FORMAT_TRY:
1037 #if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
1038                 return v4l2_subdev_state_get_crop(sd_state, pad);
1039 #else
1040                 return ERR_PTR(-EINVAL);
1041 #endif
1042         default:
1043                 return ERR_PTR(-EINVAL);
1044         }
1045 }
1046
1047 static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
1048                             struct v4l2_subdev_state *sd_state,
1049                             struct v4l2_subdev_format *format)
1050 {
1051         struct v4l2_mbus_framefmt *f;
1052         struct tvp5150 *decoder = to_tvp5150(sd);
1053
1054         if (!format || (format->pad != TVP5150_PAD_VID_OUT))
1055                 return -EINVAL;
1056
1057         f = &format->format;
1058
1059         f->width = decoder->rect.width;
1060         f->height = decoder->rect.height / 2;
1061
1062         f->code = TVP5150_MBUS_FMT;
1063         f->field = TVP5150_FIELD;
1064         f->colorspace = TVP5150_COLORSPACE;
1065
1066         dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
1067                     f->height);
1068         return 0;
1069 }
1070
1071 static unsigned int tvp5150_get_hmax(struct v4l2_subdev *sd)
1072 {
1073         struct tvp5150 *decoder = to_tvp5150(sd);
1074         v4l2_std_id std;
1075
1076         /* Calculate height based on current standard */
1077         if (decoder->norm == V4L2_STD_ALL)
1078                 std = tvp5150_read_std(sd);
1079         else
1080                 std = decoder->norm;
1081
1082         return (std & V4L2_STD_525_60) ?
1083                 TVP5150_V_MAX_525_60 : TVP5150_V_MAX_OTHERS;
1084 }
1085
1086 static void tvp5150_set_hw_selection(struct v4l2_subdev *sd,
1087                                      struct v4l2_rect *rect)
1088 {
1089         struct tvp5150 *decoder = to_tvp5150(sd);
1090         unsigned int hmax = tvp5150_get_hmax(sd);
1091
1092         regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START, rect->top);
1093         regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP,
1094                      rect->top + rect->height - hmax);
1095         regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_MSB,
1096                      rect->left >> TVP5150_CROP_SHIFT);
1097         regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_LSB,
1098                      rect->left | (1 << TVP5150_CROP_SHIFT));
1099         regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_MSB,
1100                      (rect->left + rect->width - TVP5150_MAX_CROP_LEFT) >>
1101                      TVP5150_CROP_SHIFT);
1102         regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_LSB,
1103                      rect->left + rect->width - TVP5150_MAX_CROP_LEFT);
1104 }
1105
1106 static int tvp5150_set_selection(struct v4l2_subdev *sd,
1107                                  struct v4l2_subdev_state *sd_state,
1108                                  struct v4l2_subdev_selection *sel)
1109 {
1110         struct tvp5150 *decoder = to_tvp5150(sd);
1111         struct v4l2_rect *rect = &sel->r;
1112         struct v4l2_rect *crop;
1113         unsigned int hmax;
1114
1115         if (sel->target != V4L2_SEL_TGT_CROP)
1116                 return -EINVAL;
1117
1118         dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
1119                 __func__, rect->left, rect->top, rect->width, rect->height);
1120
1121         /* tvp5150 has some special limits */
1122         rect->left = clamp(rect->left, 0, TVP5150_MAX_CROP_LEFT);
1123         rect->top = clamp(rect->top, 0, TVP5150_MAX_CROP_TOP);
1124         hmax = tvp5150_get_hmax(sd);
1125
1126         /*
1127          * alignments:
1128          *  - width = 2 due to UYVY colorspace
1129          *  - height, image = no special alignment
1130          */
1131         v4l_bound_align_image(&rect->width,
1132                               TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect->left,
1133                               TVP5150_H_MAX - rect->left, 1, &rect->height,
1134                               hmax - TVP5150_MAX_CROP_TOP - rect->top,
1135                               hmax - rect->top, 0, 0);
1136
1137         if (!IS_ENABLED(CONFIG_VIDEO_V4L2_SUBDEV_API) &&
1138             sel->which == V4L2_SUBDEV_FORMAT_TRY)
1139                 return 0;
1140
1141         crop = tvp5150_get_pad_crop(decoder, sd_state, sel->pad, sel->which);
1142         if (IS_ERR(crop))
1143                 return PTR_ERR(crop);
1144
1145         /*
1146          * Update output image size if the selection (crop) rectangle size or
1147          * position has been modified.
1148          */
1149         if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE &&
1150             !v4l2_rect_equal(rect, crop))
1151                 tvp5150_set_hw_selection(sd, rect);
1152
1153         *crop = *rect;
1154
1155         return 0;
1156 }
1157
1158 static int tvp5150_get_selection(struct v4l2_subdev *sd,
1159                                  struct v4l2_subdev_state *sd_state,
1160                                  struct v4l2_subdev_selection *sel)
1161 {
1162         struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
1163         struct v4l2_rect *crop;
1164         v4l2_std_id std;
1165
1166         switch (sel->target) {
1167         case V4L2_SEL_TGT_CROP_BOUNDS:
1168                 sel->r.left = 0;
1169                 sel->r.top = 0;
1170                 sel->r.width = TVP5150_H_MAX;
1171
1172                 /* Calculate height based on current standard */
1173                 if (decoder->norm == V4L2_STD_ALL)
1174                         std = tvp5150_read_std(sd);
1175                 else
1176                         std = decoder->norm;
1177                 if (std & V4L2_STD_525_60)
1178                         sel->r.height = TVP5150_V_MAX_525_60;
1179                 else
1180                         sel->r.height = TVP5150_V_MAX_OTHERS;
1181                 return 0;
1182         case V4L2_SEL_TGT_CROP:
1183                 crop = tvp5150_get_pad_crop(decoder, sd_state, sel->pad,
1184                                             sel->which);
1185                 if (IS_ERR(crop))
1186                         return PTR_ERR(crop);
1187                 sel->r = *crop;
1188                 return 0;
1189         default:
1190                 return -EINVAL;
1191         }
1192 }
1193
1194 static int tvp5150_get_mbus_config(struct v4l2_subdev *sd,
1195                                    unsigned int pad,
1196                                    struct v4l2_mbus_config *cfg)
1197 {
1198         struct tvp5150 *decoder = to_tvp5150(sd);
1199
1200         cfg->type = decoder->mbus_type;
1201         cfg->bus.parallel.flags = V4L2_MBUS_MASTER
1202                                 | V4L2_MBUS_PCLK_SAMPLE_RISING
1203                                 | V4L2_MBUS_FIELD_EVEN_LOW
1204                                 | V4L2_MBUS_DATA_ACTIVE_HIGH;
1205
1206         return 0;
1207 }
1208
1209 /****************************************************************************
1210                         V4L2 subdev pad ops
1211  ****************************************************************************/
1212 static int tvp5150_init_state(struct v4l2_subdev *sd,
1213                               struct v4l2_subdev_state *sd_state)
1214 {
1215         struct tvp5150 *decoder = to_tvp5150(sd);
1216         v4l2_std_id std;
1217
1218         /*
1219          * Reset selection to maximum on subdev_open() if autodetection is on
1220          * and a standard change is detected.
1221          */
1222         if (decoder->norm == V4L2_STD_ALL) {
1223                 std = tvp5150_read_std(sd);
1224                 if (std != decoder->detected_norm) {
1225                         decoder->detected_norm = std;
1226                         tvp5150_set_default(std, &decoder->rect);
1227                 }
1228         }
1229
1230         return 0;
1231 }
1232
1233 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
1234                 struct v4l2_subdev_state *sd_state,
1235                 struct v4l2_subdev_mbus_code_enum *code)
1236 {
1237         if (code->pad || code->index)
1238                 return -EINVAL;
1239
1240         code->code = TVP5150_MBUS_FMT;
1241         return 0;
1242 }
1243
1244 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
1245                                    struct v4l2_subdev_state *sd_state,
1246                                    struct v4l2_subdev_frame_size_enum *fse)
1247 {
1248         struct tvp5150 *decoder = to_tvp5150(sd);
1249
1250         if (fse->index >= 8 || fse->code != TVP5150_MBUS_FMT)
1251                 return -EINVAL;
1252
1253         fse->code = TVP5150_MBUS_FMT;
1254         fse->min_width = decoder->rect.width;
1255         fse->max_width = decoder->rect.width;
1256         fse->min_height = decoder->rect.height / 2;
1257         fse->max_height = decoder->rect.height / 2;
1258
1259         return 0;
1260 }
1261
1262 /****************************************************************************
1263  *                      Media entity ops
1264  ****************************************************************************/
1265 #if defined(CONFIG_MEDIA_CONTROLLER)
1266 static int tvp5150_set_link(struct media_pad *connector_pad,
1267                             struct media_pad *tvp5150_pad, u32 flags)
1268 {
1269         struct media_link *link;
1270
1271         link = media_entity_find_link(connector_pad, tvp5150_pad);
1272         if (!link)
1273                 return -EINVAL;
1274
1275         link->flags = flags;
1276         link->reverse->flags = link->flags;
1277
1278         return 0;
1279 }
1280
1281 static int tvp5150_disable_all_input_links(struct tvp5150 *decoder)
1282 {
1283         struct media_pad *connector_pad;
1284         unsigned int i;
1285         int err;
1286
1287         for (i = 0; i < TVP5150_NUM_PADS - 1; i++) {
1288                 connector_pad = media_pad_remote_pad_first(&decoder->pads[i]);
1289                 if (!connector_pad)
1290                         continue;
1291
1292                 err = tvp5150_set_link(connector_pad, &decoder->pads[i], 0);
1293                 if (err)
1294                         return err;
1295         }
1296
1297         return 0;
1298 }
1299
1300 static int tvp5150_s_routing(struct v4l2_subdev *sd, u32 input, u32 output,
1301                              u32 config);
1302
1303 static int tvp5150_link_setup(struct media_entity *entity,
1304                               const struct media_pad *tvp5150_pad,
1305                               const struct media_pad *remote, u32 flags)
1306 {
1307         struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1308         struct tvp5150 *decoder = to_tvp5150(sd);
1309         struct media_pad *other_tvp5150_pad =
1310                 &decoder->pads[tvp5150_pad->index ^ 1];
1311         struct v4l2_fwnode_connector *v4l2c;
1312         bool is_svideo = false;
1313         unsigned int i;
1314         int err;
1315
1316         /*
1317          * The TVP5150 state is determined by the enabled sink pad link(s).
1318          * Enabling or disabling the source pad link has no effect.
1319          */
1320         if (tvp5150_pad->flags & MEDIA_PAD_FL_SOURCE)
1321                 return 0;
1322
1323         /* Check if the svideo connector should be enabled */
1324         for (i = 0; i < decoder->connectors_num; i++) {
1325                 if (remote->entity == &decoder->connectors[i].ent) {
1326                         v4l2c = &decoder->connectors[i].base;
1327                         is_svideo = v4l2c->type == V4L2_CONN_SVIDEO;
1328                         break;
1329                 }
1330         }
1331
1332         dev_dbg_lvl(sd->dev, 1, debug, "link setup '%s':%d->'%s':%d[%d]",
1333                     remote->entity->name, remote->index,
1334                     tvp5150_pad->entity->name, tvp5150_pad->index,
1335                     flags & MEDIA_LNK_FL_ENABLED);
1336         if (is_svideo)
1337                 dev_dbg_lvl(sd->dev, 1, debug,
1338                             "link setup '%s':%d->'%s':%d[%d]",
1339                             remote->entity->name, remote->index,
1340                             other_tvp5150_pad->entity->name,
1341                             other_tvp5150_pad->index,
1342                             flags & MEDIA_LNK_FL_ENABLED);
1343
1344         /*
1345          * The TVP5150 has an internal mux which allows the following setup:
1346          *
1347          * comp-connector1  --\
1348          *                     |---> AIP1A
1349          *                    /
1350          * svideo-connector -|
1351          *                    \
1352          *                     |---> AIP1B
1353          * comp-connector2  --/
1354          *
1355          * We can't rely on user space that the current connector gets disabled
1356          * first before enabling the new connector. Disable all active
1357          * connector links to be on the safe side.
1358          */
1359         err = tvp5150_disable_all_input_links(decoder);
1360         if (err)
1361                 return err;
1362
1363         tvp5150_s_routing(sd, is_svideo ? TVP5150_SVIDEO : tvp5150_pad->index,
1364                           flags & MEDIA_LNK_FL_ENABLED ? TVP5150_NORMAL :
1365                           TVP5150_BLACK_SCREEN, 0);
1366
1367         if (flags & MEDIA_LNK_FL_ENABLED) {
1368                 struct v4l2_fwnode_connector_analog *v4l2ca;
1369                 u32 new_norm;
1370
1371                 /*
1372                  * S-Video connector is conneted to both ports AIP1A and AIP1B.
1373                  * Both links must be enabled in one-shot regardless which link
1374                  * the user requests.
1375                  */
1376                 if (is_svideo) {
1377                         err = tvp5150_set_link((struct media_pad *)remote,
1378                                                other_tvp5150_pad, flags);
1379                         if (err)
1380                                 return err;
1381                 }
1382
1383                 if (!decoder->connectors_num)
1384                         return 0;
1385
1386                 /* Update the current connector */
1387                 decoder->cur_connector =
1388                         container_of(remote, struct tvp5150_connector, pad);
1389
1390                 /*
1391                  * Do nothing if the new connector supports the same tv-norms as
1392                  * the old one.
1393                  */
1394                 v4l2ca = &decoder->cur_connector->base.connector.analog;
1395                 new_norm = decoder->norm & v4l2ca->sdtv_stds;
1396                 if (decoder->norm == new_norm)
1397                         return 0;
1398
1399                 /*
1400                  * Fallback to the new connector tv-norms if we can't find any
1401                  * common between the current tv-norm and the new one.
1402                  */
1403                 tvp5150_s_std(sd, new_norm ? new_norm : v4l2ca->sdtv_stds);
1404         }
1405
1406         return 0;
1407 }
1408
1409 static const struct media_entity_operations tvp5150_sd_media_ops = {
1410         .link_setup = tvp5150_link_setup,
1411 };
1412 #endif
1413 /****************************************************************************
1414                         I2C Command
1415  ****************************************************************************/
1416 static int __maybe_unused tvp5150_runtime_suspend(struct device *dev)
1417 {
1418         struct v4l2_subdev *sd = dev_get_drvdata(dev);
1419         struct tvp5150 *decoder = to_tvp5150(sd);
1420
1421         if (decoder->irq)
1422                 /* Disable lock interrupt */
1423                 return regmap_update_bits(decoder->regmap,
1424                                           TVP5150_INT_ENABLE_REG_A,
1425                                           TVP5150_INT_A_LOCK, 0);
1426         return 0;
1427 }
1428
1429 static int __maybe_unused tvp5150_runtime_resume(struct device *dev)
1430 {
1431         struct v4l2_subdev *sd = dev_get_drvdata(dev);
1432         struct tvp5150 *decoder = to_tvp5150(sd);
1433
1434         if (decoder->irq)
1435                 /* Enable lock interrupt */
1436                 return regmap_update_bits(decoder->regmap,
1437                                           TVP5150_INT_ENABLE_REG_A,
1438                                           TVP5150_INT_A_LOCK,
1439                                           TVP5150_INT_A_LOCK);
1440         return 0;
1441 }
1442
1443 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1444 {
1445         struct tvp5150 *decoder = to_tvp5150(sd);
1446         unsigned int mask, val = 0;
1447         int ret;
1448
1449         mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
1450                TVP5150_MISC_CTL_CLOCK_OE;
1451
1452         if (enable) {
1453                 ret = pm_runtime_resume_and_get(sd->dev);
1454                 if (ret < 0)
1455                         return ret;
1456
1457                 tvp5150_enable(sd);
1458
1459                 /* Enable outputs if decoder is locked */
1460                 if (decoder->irq)
1461                         val = decoder->lock ? decoder->oe : 0;
1462                 else
1463                         val = decoder->oe;
1464
1465                 v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
1466         } else {
1467                 pm_runtime_put(sd->dev);
1468         }
1469
1470         regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);
1471
1472         return 0;
1473 }
1474
1475 static int tvp5150_s_routing(struct v4l2_subdev *sd,
1476                              u32 input, u32 output, u32 config)
1477 {
1478         struct tvp5150 *decoder = to_tvp5150(sd);
1479
1480         decoder->input = input;
1481         decoder->output = output;
1482
1483         if (output == TVP5150_BLACK_SCREEN)
1484                 decoder->enable = false;
1485         else
1486                 decoder->enable = true;
1487
1488         tvp5150_selmux(sd);
1489         return 0;
1490 }
1491
1492 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1493 {
1494         struct tvp5150 *decoder = to_tvp5150(sd);
1495
1496         /*
1497          * this is for capturing 36 raw vbi lines
1498          * if there's a way to cut off the beginning 2 vbi lines
1499          * with the tvp5150 then the vbi line count could be lowered
1500          * to 17 lines/field again, although I couldn't find a register
1501          * which could do that cropping
1502          */
1503
1504         if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1505                 regmap_write(decoder->regmap, TVP5150_LUMA_PROC_CTL_1, 0x70);
1506         if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1507                 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START,
1508                              0x00);
1509                 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP, 0x01);
1510         }
1511         return 0;
1512 }
1513
1514 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1515 {
1516         struct tvp5150 *decoder = to_tvp5150(sd);
1517         int i;
1518
1519         if (svbi->service_set != 0) {
1520                 for (i = 0; i <= 23; i++) {
1521                         svbi->service_lines[1][i] = 0;
1522                         svbi->service_lines[0][i] =
1523                                 tvp5150_set_vbi(sd, svbi->service_lines[0][i],
1524                                                 0xf0, i, 3);
1525                 }
1526                 /* Enables FIFO */
1527                 regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 1);
1528         } else {
1529                 /* Disables FIFO*/
1530                 regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 0);
1531
1532                 /* Disable Full Field */
1533                 regmap_write(decoder->regmap, TVP5150_FULL_FIELD_ENA, 0);
1534
1535                 /* Disable Line modes */
1536                 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1537                         regmap_write(decoder->regmap, i, 0xff);
1538         }
1539         return 0;
1540 }
1541
1542 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1543 {
1544         int i, mask = 0;
1545
1546         memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1547
1548         for (i = 0; i <= 23; i++) {
1549                 svbi->service_lines[0][i] =
1550                         tvp5150_get_vbi(sd, i);
1551                 mask |= svbi->service_lines[0][i];
1552         }
1553         svbi->service_set = mask;
1554         return 0;
1555 }
1556
1557 #ifdef CONFIG_VIDEO_ADV_DEBUG
1558 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1559 {
1560         int res;
1561
1562         res = tvp5150_read(sd, reg->reg & 0xff);
1563         if (res < 0) {
1564                 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
1565                 return res;
1566         }
1567
1568         reg->val = res;
1569         reg->size = 1;
1570         return 0;
1571 }
1572
1573 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1574 {
1575         struct tvp5150 *decoder = to_tvp5150(sd);
1576
1577         return regmap_write(decoder->regmap, reg->reg & 0xff, reg->val & 0xff);
1578 }
1579 #endif
1580
1581 static int tvp5150_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
1582                                    struct v4l2_event_subscription *sub)
1583 {
1584         switch (sub->type) {
1585         case V4L2_EVENT_SOURCE_CHANGE:
1586                 return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
1587         case V4L2_EVENT_CTRL:
1588                 return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
1589         default:
1590                 return -EINVAL;
1591         }
1592 }
1593
1594 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1595 {
1596         int status = tvp5150_read(sd, 0x88);
1597
1598         vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1599         return 0;
1600 }
1601
1602 static int tvp5150_registered(struct v4l2_subdev *sd)
1603 {
1604 #if defined(CONFIG_MEDIA_CONTROLLER)
1605         struct tvp5150 *decoder = to_tvp5150(sd);
1606         unsigned int i;
1607         int ret;
1608
1609         /*
1610          * Setup connector pads and links. Enable the link to the first
1611          * available connector per default.
1612          */
1613         for (i = 0; i < decoder->connectors_num; i++) {
1614                 struct media_entity *con = &decoder->connectors[i].ent;
1615                 struct media_pad *pad = &decoder->connectors[i].pad;
1616                 struct v4l2_fwnode_connector *v4l2c =
1617                         &decoder->connectors[i].base;
1618                 struct v4l2_connector_link *link =
1619                         v4l2_connector_first_link(v4l2c);
1620                 unsigned int port = link->fwnode_link.remote_port;
1621                 unsigned int flags = i ? 0 : MEDIA_LNK_FL_ENABLED;
1622                 bool is_svideo = v4l2c->type == V4L2_CONN_SVIDEO;
1623
1624                 pad->flags = MEDIA_PAD_FL_SOURCE;
1625                 ret = media_entity_pads_init(con, 1, pad);
1626                 if (ret < 0)
1627                         goto err;
1628
1629                 ret = media_device_register_entity(sd->v4l2_dev->mdev, con);
1630                 if (ret < 0)
1631                         goto err;
1632
1633                 ret = media_create_pad_link(con, 0, &sd->entity, port, flags);
1634                 if (ret < 0)
1635                         goto err;
1636
1637                 if (is_svideo) {
1638                         /*
1639                          * Check tvp5150_link_setup() comments for more
1640                          * information.
1641                          */
1642                         link = v4l2_connector_last_link(v4l2c);
1643                         port = link->fwnode_link.remote_port;
1644                         ret = media_create_pad_link(con, 0, &sd->entity, port,
1645                                                     flags);
1646                         if (ret < 0)
1647                                 goto err;
1648                 }
1649
1650                 /* Enable default input. */
1651                 if (flags == MEDIA_LNK_FL_ENABLED) {
1652                         decoder->input =
1653                                 is_svideo ? TVP5150_SVIDEO :
1654                                 port == 0 ? TVP5150_COMPOSITE0 :
1655                                 TVP5150_COMPOSITE1;
1656
1657                         tvp5150_selmux(sd);
1658                         decoder->cur_connector = &decoder->connectors[i];
1659                         tvp5150_s_std(sd, v4l2c->connector.analog.sdtv_stds);
1660                 }
1661         }
1662
1663         return 0;
1664
1665 err:
1666         for (i = 0; i < decoder->connectors_num; i++) {
1667                 media_device_unregister_entity(&decoder->connectors[i].ent);
1668                 media_entity_cleanup(&decoder->connectors[i].ent);
1669         }
1670         return ret;
1671 #endif
1672
1673         return 0;
1674 }
1675
1676 static int tvp5150_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1677 {
1678         return pm_runtime_resume_and_get(sd->dev);
1679 }
1680
1681 static int tvp5150_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1682 {
1683         pm_runtime_put(sd->dev);
1684
1685         return 0;
1686 }
1687
1688 /* ----------------------------------------------------------------------- */
1689
1690 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1691         .s_ctrl = tvp5150_s_ctrl,
1692 };
1693
1694 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1695         .log_status = tvp5150_log_status,
1696         .reset = tvp5150_reset,
1697 #ifdef CONFIG_VIDEO_ADV_DEBUG
1698         .g_register = tvp5150_g_register,
1699         .s_register = tvp5150_s_register,
1700 #endif
1701         .subscribe_event = tvp5150_subscribe_event,
1702         .unsubscribe_event = v4l2_event_subdev_unsubscribe,
1703 };
1704
1705 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1706         .g_tuner = tvp5150_g_tuner,
1707 };
1708
1709 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1710         .s_std = tvp5150_s_std,
1711         .g_std = tvp5150_g_std,
1712         .querystd = tvp5150_querystd,
1713         .s_stream = tvp5150_s_stream,
1714         .s_routing = tvp5150_s_routing,
1715 };
1716
1717 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1718         .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1719         .g_sliced_fmt = tvp5150_g_sliced_fmt,
1720         .s_sliced_fmt = tvp5150_s_sliced_fmt,
1721         .s_raw_fmt = tvp5150_s_raw_fmt,
1722 };
1723
1724 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1725         .enum_mbus_code = tvp5150_enum_mbus_code,
1726         .enum_frame_size = tvp5150_enum_frame_size,
1727         .set_fmt = tvp5150_fill_fmt,
1728         .get_fmt = tvp5150_fill_fmt,
1729         .get_selection = tvp5150_get_selection,
1730         .set_selection = tvp5150_set_selection,
1731         .get_mbus_config = tvp5150_get_mbus_config,
1732 };
1733
1734 static const struct v4l2_subdev_ops tvp5150_ops = {
1735         .core = &tvp5150_core_ops,
1736         .tuner = &tvp5150_tuner_ops,
1737         .video = &tvp5150_video_ops,
1738         .vbi = &tvp5150_vbi_ops,
1739         .pad = &tvp5150_pad_ops,
1740 };
1741
1742 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1743         .init_state = tvp5150_init_state,
1744         .registered = tvp5150_registered,
1745         .open = tvp5150_open,
1746         .close = tvp5150_close,
1747 };
1748
1749 /****************************************************************************
1750                         I2C Client & Driver
1751  ****************************************************************************/
1752
1753 static const struct regmap_range tvp5150_readable_ranges[] = {
1754         {
1755                 .range_min = TVP5150_VD_IN_SRC_SEL_1,
1756                 .range_max = TVP5150_AUTOSW_MSK,
1757         }, {
1758                 .range_min = TVP5150_COLOR_KIL_THSH_CTL,
1759                 .range_max = TVP5150_CONF_SHARED_PIN,
1760         }, {
1761                 .range_min = TVP5150_ACT_VD_CROP_ST_MSB,
1762                 .range_max = TVP5150_HORIZ_SYNC_START,
1763         }, {
1764                 .range_min = TVP5150_VERT_BLANKING_START,
1765                 .range_max = TVP5150_INTT_CONFIG_REG_B,
1766         }, {
1767                 .range_min = TVP5150_VIDEO_STD,
1768                 .range_max = TVP5150_VIDEO_STD,
1769         }, {
1770                 .range_min = TVP5150_CB_GAIN_FACT,
1771                 .range_max = TVP5150_REV_SELECT,
1772         }, {
1773                 .range_min = TVP5150_MSB_DEV_ID,
1774                 .range_max = TVP5150_STATUS_REG_5,
1775         }, {
1776                 .range_min = TVP5150_CC_DATA_INI,
1777                 .range_max = TVP5150_TELETEXT_FIL_ENA,
1778         }, {
1779                 .range_min = TVP5150_INT_STATUS_REG_A,
1780                 .range_max = TVP5150_FIFO_OUT_CTRL,
1781         }, {
1782                 .range_min = TVP5150_FULL_FIELD_ENA,
1783                 .range_max = TVP5150_FULL_FIELD_MODE_REG,
1784         },
1785 };
1786
1787 static bool tvp5150_volatile_reg(struct device *dev, unsigned int reg)
1788 {
1789         switch (reg) {
1790         case TVP5150_VERT_LN_COUNT_MSB:
1791         case TVP5150_VERT_LN_COUNT_LSB:
1792         case TVP5150_INT_STATUS_REG_A:
1793         case TVP5150_INT_STATUS_REG_B:
1794         case TVP5150_INT_ACTIVE_REG_B:
1795         case TVP5150_STATUS_REG_1:
1796         case TVP5150_STATUS_REG_2:
1797         case TVP5150_STATUS_REG_3:
1798         case TVP5150_STATUS_REG_4:
1799         case TVP5150_STATUS_REG_5:
1800         /* CC, WSS, VPS, VITC data? */
1801         case TVP5150_VBI_FIFO_READ_DATA:
1802         case TVP5150_VDP_STATUS_REG:
1803         case TVP5150_FIFO_WORD_COUNT:
1804                 return true;
1805         default:
1806                 return false;
1807         }
1808 }
1809
1810 static const struct regmap_access_table tvp5150_readable_table = {
1811         .yes_ranges = tvp5150_readable_ranges,
1812         .n_yes_ranges = ARRAY_SIZE(tvp5150_readable_ranges),
1813 };
1814
1815 static struct regmap_config tvp5150_config = {
1816         .reg_bits = 8,
1817         .val_bits = 8,
1818         .max_register = 0xff,
1819
1820         .cache_type = REGCACHE_MAPLE,
1821
1822         .rd_table = &tvp5150_readable_table,
1823         .volatile_reg = tvp5150_volatile_reg,
1824 };
1825
1826 static int tvp5150_detect_version(struct tvp5150 *core)
1827 {
1828         struct v4l2_subdev *sd = &core->sd;
1829         struct i2c_client *c = v4l2_get_subdevdata(sd);
1830         u8 regs[4];
1831         int res;
1832
1833         /*
1834          * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1835          * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1836          */
1837         res = regmap_bulk_read(core->regmap, TVP5150_MSB_DEV_ID, regs, 4);
1838         if (res < 0) {
1839                 dev_err(&c->dev, "reading ID registers failed: %d\n", res);
1840                 return res;
1841         }
1842
1843         core->dev_id = (regs[0] << 8) | regs[1];
1844         core->rom_ver = (regs[2] << 8) | regs[3];
1845
1846         dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1847                   core->dev_id, regs[2], regs[3], c->addr << 1,
1848                   c->adapter->name);
1849
1850         if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1851                 dev_info(sd->dev, "tvp5150a detected.\n");
1852         } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1853                 dev_info(sd->dev, "tvp5150am1 detected.\n");
1854
1855                 /* ITU-T BT.656.4 timing */
1856                 regmap_write(core->regmap, TVP5150_REV_SELECT, 0);
1857         } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1858                 dev_info(sd->dev, "tvp5151 detected.\n");
1859         } else {
1860                 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
1861                           core->dev_id);
1862         }
1863
1864         return 0;
1865 }
1866
1867 static int tvp5150_init(struct i2c_client *c)
1868 {
1869         struct gpio_desc *pdn_gpio;
1870         struct gpio_desc *reset_gpio;
1871
1872         pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1873         if (IS_ERR(pdn_gpio))
1874                 return PTR_ERR(pdn_gpio);
1875
1876         if (pdn_gpio) {
1877                 gpiod_set_value_cansleep(pdn_gpio, 0);
1878                 /* Delay time between power supplies active and reset */
1879                 msleep(20);
1880         }
1881
1882         reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1883         if (IS_ERR(reset_gpio))
1884                 return PTR_ERR(reset_gpio);
1885
1886         if (reset_gpio) {
1887                 /* RESETB pulse duration */
1888                 ndelay(500);
1889                 gpiod_set_value_cansleep(reset_gpio, 0);
1890                 /* Delay time between end of reset to I2C active */
1891                 usleep_range(200, 250);
1892         }
1893
1894         return 0;
1895 }
1896
1897 #if defined(CONFIG_MEDIA_CONTROLLER)
1898 static int tvp5150_mc_init(struct tvp5150 *decoder)
1899 {
1900         struct v4l2_subdev *sd = &decoder->sd;
1901         unsigned int i;
1902
1903         sd->entity.ops = &tvp5150_sd_media_ops;
1904         sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1905
1906         for (i = 0; i < TVP5150_NUM_PADS - 1; i++) {
1907                 decoder->pads[i].flags = MEDIA_PAD_FL_SINK;
1908                 decoder->pads[i].sig_type = PAD_SIGNAL_ANALOG;
1909         }
1910
1911         decoder->pads[i].flags = MEDIA_PAD_FL_SOURCE;
1912         decoder->pads[i].sig_type = PAD_SIGNAL_DV;
1913
1914         return media_entity_pads_init(&sd->entity, TVP5150_NUM_PADS,
1915                                       decoder->pads);
1916 }
1917
1918 #else /* !defined(CONFIG_MEDIA_CONTROLLER) */
1919
1920 static inline int tvp5150_mc_init(struct tvp5150 *decoder)
1921 {
1922         return 0;
1923 }
1924 #endif /* defined(CONFIG_MEDIA_CONTROLLER) */
1925
1926 static int tvp5150_validate_connectors(struct tvp5150 *decoder)
1927 {
1928         struct device *dev = decoder->sd.dev;
1929         struct tvp5150_connector *tvpc;
1930         struct v4l2_fwnode_connector *v4l2c;
1931         unsigned int i;
1932
1933         if (!decoder->connectors_num) {
1934                 dev_err(dev, "No valid connector found\n");
1935                 return -ENODEV;
1936         }
1937
1938         for (i = 0; i < decoder->connectors_num; i++) {
1939                 struct v4l2_connector_link *link0 = NULL;
1940                 struct v4l2_connector_link *link1;
1941
1942                 tvpc = &decoder->connectors[i];
1943                 v4l2c = &tvpc->base;
1944
1945                 if (v4l2c->type == V4L2_CONN_COMPOSITE) {
1946                         if (v4l2c->nr_of_links != 1) {
1947                                 dev_err(dev, "Composite: connector needs 1 link\n");
1948                                 return -EINVAL;
1949                         }
1950                         link0 = v4l2_connector_first_link(v4l2c);
1951                         if (!link0) {
1952                                 dev_err(dev, "Composite: invalid first link\n");
1953                                 return -EINVAL;
1954                         }
1955                         if (link0->fwnode_link.remote_id == 1) {
1956                                 dev_err(dev, "Composite: invalid endpoint id\n");
1957                                 return -EINVAL;
1958                         }
1959                 }
1960
1961                 if (v4l2c->type == V4L2_CONN_SVIDEO) {
1962                         if (v4l2c->nr_of_links != 2) {
1963                                 dev_err(dev, "SVideo: connector needs 2 links\n");
1964                                 return -EINVAL;
1965                         }
1966                         link0 = v4l2_connector_first_link(v4l2c);
1967                         if (!link0) {
1968                                 dev_err(dev, "SVideo: invalid first link\n");
1969                                 return -EINVAL;
1970                         }
1971                         link1 = v4l2_connector_last_link(v4l2c);
1972                         if (link0->fwnode_link.remote_port ==
1973                             link1->fwnode_link.remote_port) {
1974                                 dev_err(dev, "SVideo: invalid link setup\n");
1975                                 return -EINVAL;
1976                         }
1977                 }
1978
1979                 if (!(v4l2c->connector.analog.sdtv_stds & TVP5150_STD_MASK)) {
1980                         dev_err(dev, "Unsupported tv-norm on connector %s\n",
1981                                 v4l2c->name);
1982                         return -EINVAL;
1983                 }
1984         }
1985
1986         return 0;
1987 }
1988
1989 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1990 {
1991         struct device *dev = decoder->sd.dev;
1992         struct v4l2_fwnode_endpoint bus_cfg = {
1993                 .bus_type = V4L2_MBUS_UNKNOWN
1994         };
1995         struct device_node *ep_np;
1996         struct tvp5150_connector *tvpc;
1997         struct v4l2_fwnode_connector *v4l2c;
1998         unsigned int flags, ep_num;
1999         unsigned int i;
2000         int ret;
2001
2002         /* At least 1 output and 1 input */
2003         ep_num = of_graph_get_endpoint_count(np);
2004         if (ep_num < 2 || ep_num > 5) {
2005                 dev_err(dev, "At least 1 input and 1 output must be connected to the device.\n");
2006                 return -EINVAL;
2007         }
2008
2009         /* Layout if all connectors are used:
2010          *
2011          * tvp-5150 port@0 (AIP1A)
2012          *      endpoint@0 -----------> Comp0-Con  port
2013          *      endpoint@1 --------+--> Svideo-Con port
2014          * tvp-5150 port@1 (AIP1B) |
2015          *      endpoint@1 --------+
2016          *      endpoint@0 -----------> Comp1-Con  port
2017          * tvp-5150 port@2
2018          *      endpoint (video bitstream output at YOUT[0-7] parallel bus)
2019          */
2020         for_each_endpoint_of_node(np, ep_np) {
2021                 struct fwnode_handle *ep_fwnode = of_fwnode_handle(ep_np);
2022                 unsigned int next_connector = decoder->connectors_num;
2023                 struct of_endpoint ep;
2024
2025                 of_graph_parse_endpoint(ep_np, &ep);
2026                 if (ep.port > 1 || ep.id > 1) {
2027                         dev_dbg(dev, "Ignore connector on port@%u/ep@%u\n",
2028                                 ep.port, ep.id);
2029                         continue;
2030                 }
2031
2032                 tvpc = &decoder->connectors[next_connector];
2033                 v4l2c = &tvpc->base;
2034
2035                 if (ep.port == 0 || (ep.port == 1 && ep.id == 0)) {
2036                         ret = v4l2_fwnode_connector_parse(ep_fwnode, v4l2c);
2037                         if (ret)
2038                                 goto err_put;
2039                         ret = v4l2_fwnode_connector_add_link(ep_fwnode, v4l2c);
2040                         if (ret)
2041                                 goto err_put;
2042                         decoder->connectors_num++;
2043                 } else {
2044                         /* Adding the 2nd svideo link */
2045                         for (i = 0; i < TVP5150_MAX_CONNECTORS; i++) {
2046                                 tvpc = &decoder->connectors[i];
2047                                 v4l2c = &tvpc->base;
2048                                 if (v4l2c->type == V4L2_CONN_SVIDEO)
2049                                         break;
2050                         }
2051
2052                         ret = v4l2_fwnode_connector_add_link(ep_fwnode, v4l2c);
2053                         if (ret)
2054                                 goto err_put;
2055                 }
2056         }
2057
2058         ret = tvp5150_validate_connectors(decoder);
2059         if (ret)
2060                 goto err_free;
2061
2062         for (i = 0; i < decoder->connectors_num; i++) {
2063                 tvpc = &decoder->connectors[i];
2064                 v4l2c = &tvpc->base;
2065                 tvpc->ent.flags = MEDIA_ENT_FL_CONNECTOR;
2066                 tvpc->ent.function = v4l2c->type == V4L2_CONN_SVIDEO ?
2067                         MEDIA_ENT_F_CONN_SVIDEO : MEDIA_ENT_F_CONN_COMPOSITE;
2068                 tvpc->ent.name = devm_kasprintf(dev, GFP_KERNEL, "%s %s",
2069                                                 v4l2c->name, v4l2c->label ?
2070                                                 v4l2c->label : "");
2071                 if (!tvpc->ent.name) {
2072                         ret = -ENOMEM;
2073                         goto err_free;
2074                 }
2075         }
2076
2077         ep_np = of_graph_get_endpoint_by_regs(np, TVP5150_PAD_VID_OUT, 0);
2078         if (!ep_np) {
2079                 ret = -EINVAL;
2080                 dev_err(dev, "Error no output endpoint available\n");
2081                 goto err_free;
2082         }
2083         ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep_np), &bus_cfg);
2084         of_node_put(ep_np);
2085         if (ret)
2086                 goto err_free;
2087
2088         flags = bus_cfg.bus.parallel.flags;
2089         if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
2090             !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
2091               flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
2092               flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
2093                 ret = -EINVAL;
2094                 goto err_free;
2095         }
2096
2097         decoder->mbus_type = bus_cfg.bus_type;
2098
2099         return 0;
2100
2101 err_put:
2102         of_node_put(ep_np);
2103 err_free:
2104         for (i = 0; i < TVP5150_MAX_CONNECTORS; i++)
2105                 v4l2_fwnode_connector_free(&decoder->connectors[i].base);
2106
2107         return ret;
2108 }
2109
2110 static const char * const tvp5150_test_patterns[2] = {
2111         "Disabled",
2112         "Black screen"
2113 };
2114
2115 static int tvp5150_probe(struct i2c_client *c)
2116 {
2117         struct tvp5150 *core;
2118         struct v4l2_subdev *sd;
2119         struct device_node *np = c->dev.of_node;
2120         struct regmap *map;
2121         unsigned int i;
2122         int res;
2123
2124         /* Check if the adapter supports the needed features */
2125         if (!i2c_check_functionality(c->adapter,
2126              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
2127                 return -EIO;
2128
2129         res = tvp5150_init(c);
2130         if (res)
2131                 return res;
2132
2133         core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
2134         if (!core)
2135                 return -ENOMEM;
2136
2137         map = devm_regmap_init_i2c(c, &tvp5150_config);
2138         if (IS_ERR(map))
2139                 return PTR_ERR(map);
2140
2141         core->regmap = map;
2142         sd = &core->sd;
2143         v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
2144         sd->internal_ops = &tvp5150_internal_ops;
2145         sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
2146
2147         if (IS_ENABLED(CONFIG_OF) && np) {
2148                 res = tvp5150_parse_dt(core, np);
2149                 if (res) {
2150                         dev_err(sd->dev, "DT parsing error: %d\n", res);
2151                         return res;
2152                 }
2153         } else {
2154                 /* Default to BT.656 embedded sync */
2155                 core->mbus_type = V4L2_MBUS_BT656;
2156         }
2157
2158         res = tvp5150_mc_init(core);
2159         if (res)
2160                 return res;
2161
2162         res = tvp5150_detect_version(core);
2163         if (res < 0)
2164                 return res;
2165
2166         /*
2167          * Iterate over all available connectors in case they are supported and
2168          * successfully parsed. Fallback to default autodetect in case they
2169          * aren't supported.
2170          */
2171         for (i = 0; i < core->connectors_num; i++) {
2172                 struct v4l2_fwnode_connector *v4l2c;
2173
2174                 v4l2c = &core->connectors[i].base;
2175                 core->norm |= v4l2c->connector.analog.sdtv_stds;
2176         }
2177
2178         if (!core->connectors_num)
2179                 core->norm = V4L2_STD_ALL;
2180
2181         core->detected_norm = V4L2_STD_UNKNOWN;
2182         core->input = TVP5150_COMPOSITE1;
2183         core->enable = true;
2184
2185         v4l2_ctrl_handler_init(&core->hdl, 5);
2186         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2187                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2188         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2189                         V4L2_CID_CONTRAST, 0, 255, 1, 128);
2190         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2191                         V4L2_CID_SATURATION, 0, 255, 1, 128);
2192         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2193                         V4L2_CID_HUE, -128, 127, 1, 0);
2194         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2195                         V4L2_CID_PIXEL_RATE, 27000000,
2196                         27000000, 1, 27000000);
2197         v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
2198                                      V4L2_CID_TEST_PATTERN,
2199                                      ARRAY_SIZE(tvp5150_test_patterns) - 1,
2200                                      0, 0, tvp5150_test_patterns);
2201         sd->ctrl_handler = &core->hdl;
2202         if (core->hdl.error) {
2203                 res = core->hdl.error;
2204                 goto err;
2205         }
2206
2207         tvp5150_set_default(tvp5150_read_std(sd), &core->rect);
2208
2209         core->irq = c->irq;
2210         tvp5150_reset(sd, 0);   /* Calls v4l2_ctrl_handler_setup() */
2211         if (c->irq) {
2212                 res = devm_request_threaded_irq(&c->dev, c->irq, NULL,
2213                                                 tvp5150_isr, IRQF_TRIGGER_HIGH |
2214                                                 IRQF_ONESHOT, "tvp5150", core);
2215                 if (res)
2216                         goto err;
2217         }
2218
2219         res = v4l2_async_register_subdev(sd);
2220         if (res < 0)
2221                 goto err;
2222
2223         if (debug > 1)
2224                 tvp5150_log_status(sd);
2225
2226         pm_runtime_set_active(&c->dev);
2227         pm_runtime_enable(&c->dev);
2228         pm_runtime_idle(&c->dev);
2229
2230         return 0;
2231
2232 err:
2233         v4l2_ctrl_handler_free(&core->hdl);
2234         return res;
2235 }
2236
2237 static void tvp5150_remove(struct i2c_client *c)
2238 {
2239         struct v4l2_subdev *sd = i2c_get_clientdata(c);
2240         struct tvp5150 *decoder = to_tvp5150(sd);
2241         unsigned int i;
2242
2243         dev_dbg_lvl(sd->dev, 1, debug,
2244                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
2245                 c->addr << 1);
2246
2247         for (i = 0; i < decoder->connectors_num; i++)
2248                 v4l2_fwnode_connector_free(&decoder->connectors[i].base);
2249         for (i = 0; i < decoder->connectors_num; i++) {
2250                 media_device_unregister_entity(&decoder->connectors[i].ent);
2251                 media_entity_cleanup(&decoder->connectors[i].ent);
2252         }
2253         v4l2_async_unregister_subdev(sd);
2254         v4l2_ctrl_handler_free(&decoder->hdl);
2255         pm_runtime_disable(&c->dev);
2256         pm_runtime_set_suspended(&c->dev);
2257 }
2258
2259 /* ----------------------------------------------------------------------- */
2260
2261 static const struct dev_pm_ops tvp5150_pm_ops = {
2262         SET_RUNTIME_PM_OPS(tvp5150_runtime_suspend,
2263                            tvp5150_runtime_resume,
2264                            NULL)
2265 };
2266
2267 static const struct i2c_device_id tvp5150_id[] = {
2268         { "tvp5150", 0 },
2269         { }
2270 };
2271 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
2272
2273 #if IS_ENABLED(CONFIG_OF)
2274 static const struct of_device_id tvp5150_of_match[] = {
2275         { .compatible = "ti,tvp5150", },
2276         { /* sentinel */ },
2277 };
2278 MODULE_DEVICE_TABLE(of, tvp5150_of_match);
2279 #endif
2280
2281 static struct i2c_driver tvp5150_driver = {
2282         .driver = {
2283                 .of_match_table = of_match_ptr(tvp5150_of_match),
2284                 .name   = "tvp5150",
2285                 .pm     = &tvp5150_pm_ops,
2286         },
2287         .probe          = tvp5150_probe,
2288         .remove         = tvp5150_remove,
2289         .id_table       = tvp5150_id,
2290 };
2291
2292 module_i2c_driver(tvp5150_driver);