linux/drivers/media/i2c/tvp5150.c
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   1// SPDX-License-Identifier: GPL-2.0
   2//
   3// tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 video decoder driver
   4//
   5// Copyright (c) 2005,2006 Mauro Carvalho Chehab <mchehab@kernel.org>
   6
   7#include <dt-bindings/media/tvp5150.h>
   8#include <linux/i2c.h>
   9#include <linux/slab.h>
  10#include <linux/videodev2.h>
  11#include <linux/delay.h>
  12#include <linux/gpio/consumer.h>
  13#include <linux/interrupt.h>
  14#include <linux/module.h>
  15#include <linux/of_graph.h>
  16#include <linux/regmap.h>
  17#include <media/v4l2-async.h>
  18#include <media/v4l2-device.h>
  19#include <media/v4l2-ctrls.h>
  20#include <media/v4l2-fwnode.h>
  21#include <media/v4l2-mc.h>
  22
  23#include "tvp5150_reg.h"
  24
  25#define TVP5150_H_MAX           720U
  26#define TVP5150_V_MAX_525_60    480U
  27#define TVP5150_V_MAX_OTHERS    576U
  28#define TVP5150_MAX_CROP_LEFT   511
  29#define TVP5150_MAX_CROP_TOP    127
  30#define TVP5150_CROP_SHIFT      2
  31#define TVP5150_MBUS_FMT        MEDIA_BUS_FMT_UYVY8_2X8
  32#define TVP5150_FIELD           V4L2_FIELD_ALTERNATE
  33#define TVP5150_COLORSPACE      V4L2_COLORSPACE_SMPTE170M
  34
  35MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
  36MODULE_AUTHOR("Mauro Carvalho Chehab");
  37MODULE_LICENSE("GPL v2");
  38
  39
  40static int debug;
  41module_param(debug, int, 0644);
  42MODULE_PARM_DESC(debug, "Debug level (0-2)");
  43
  44#define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
  45
  46enum tvp5150_pads {
  47        TVP5150_PAD_IF_INPUT,
  48        TVP5150_PAD_VID_OUT,
  49        TVP5150_NUM_PADS
  50};
  51
  52struct tvp5150 {
  53        struct v4l2_subdev sd;
  54#ifdef CONFIG_MEDIA_CONTROLLER
  55        struct media_pad pads[TVP5150_NUM_PADS];
  56        struct media_entity input_ent[TVP5150_INPUT_NUM];
  57        struct media_pad input_pad[TVP5150_INPUT_NUM];
  58#endif
  59        struct v4l2_ctrl_handler hdl;
  60        struct v4l2_rect rect;
  61        struct regmap *regmap;
  62        int irq;
  63
  64        v4l2_std_id norm;       /* Current set standard */
  65        v4l2_std_id detected_norm;
  66        u32 input;
  67        u32 output;
  68        u32 oe;
  69        int enable;
  70        bool lock;
  71
  72        u16 dev_id;
  73        u16 rom_ver;
  74
  75        enum v4l2_mbus_type mbus_type;
  76};
  77
  78static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
  79{
  80        return container_of(sd, struct tvp5150, sd);
  81}
  82
  83static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  84{
  85        return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
  86}
  87
  88static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
  89{
  90        struct tvp5150 *decoder = to_tvp5150(sd);
  91        int ret, val;
  92
  93        ret = regmap_read(decoder->regmap, addr, &val);
  94        if (ret < 0)
  95                return ret;
  96
  97        return val;
  98}
  99
 100static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
 101                                const u8 end, int max_line)
 102{
 103        u8 buf[16];
 104        int i = 0, j, len;
 105
 106        if (max_line > 16) {
 107                dprintk0(sd->dev, "too much data to dump\n");
 108                return;
 109        }
 110
 111        for (i = init; i < end; i += max_line) {
 112                len = (end - i > max_line) ? max_line : end - i;
 113
 114                for (j = 0; j < len; j++)
 115                        buf[j] = tvp5150_read(sd, i + j);
 116
 117                dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);
 118        }
 119}
 120
 121static int tvp5150_log_status(struct v4l2_subdev *sd)
 122{
 123        dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",
 124                tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
 125        dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",
 126                tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
 127        dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",
 128                tvp5150_read(sd, TVP5150_OP_MODE_CTL));
 129        dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",
 130                tvp5150_read(sd, TVP5150_MISC_CTL));
 131        dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",
 132                tvp5150_read(sd, TVP5150_AUTOSW_MSK));
 133        dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",
 134                tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
 135        dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
 136                tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
 137                tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
 138                tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
 139        dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",
 140                tvp5150_read(sd, TVP5150_BRIGHT_CTL));
 141        dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",
 142                tvp5150_read(sd, TVP5150_SATURATION_CTL));
 143        dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",
 144                tvp5150_read(sd, TVP5150_HUE_CTL));
 145        dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",
 146                tvp5150_read(sd, TVP5150_CONTRAST_CTL));
 147        dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",
 148                tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
 149        dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",
 150                tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
 151        dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",
 152                tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
 153                tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
 154        dprintk0(sd->dev, "tvp5150: Active video cropping stop  = 0x%02x%02x\n",
 155                tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
 156                tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
 157        dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",
 158                tvp5150_read(sd, TVP5150_GENLOCK));
 159        dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",
 160                tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
 161        dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",
 162                tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
 163        dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",
 164                tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
 165        dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
 166                tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
 167                tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
 168        dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",
 169                tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
 170        dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",
 171                tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
 172        dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",
 173                tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
 174        dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",
 175                tvp5150_read(sd, TVP5150_VIDEO_STD));
 176        dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
 177                tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
 178                tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
 179        dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",
 180                tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
 181        dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",
 182                tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
 183        dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
 184                (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
 185        dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",
 186                tvp5150_read(sd, TVP5150_MSB_DEV_ID),
 187                tvp5150_read(sd, TVP5150_LSB_DEV_ID));
 188        dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",
 189                tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
 190                tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
 191        dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",
 192                tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
 193                tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
 194        dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",
 195                tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
 196        dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",
 197                tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
 198        dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
 199                tvp5150_read(sd, TVP5150_STATUS_REG_1),
 200                tvp5150_read(sd, TVP5150_STATUS_REG_2),
 201                tvp5150_read(sd, TVP5150_STATUS_REG_3),
 202                tvp5150_read(sd, TVP5150_STATUS_REG_4),
 203                tvp5150_read(sd, TVP5150_STATUS_REG_5));
 204
 205        dump_reg_range(sd, "Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
 206                        TVP5150_TELETEXT_FIL1_END, 8);
 207        dump_reg_range(sd, "Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
 208                        TVP5150_TELETEXT_FIL2_END, 8);
 209
 210        dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",
 211                tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
 212        dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",
 213                tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
 214        dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",
 215                tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
 216        dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",
 217                tvp5150_read(sd, TVP5150_INT_CONF));
 218        dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",
 219                tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
 220        dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",
 221                tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
 222        dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",
 223                tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
 224        dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",
 225                tvp5150_read(sd, TVP5150_FIFO_RESET));
 226        dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",
 227                tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
 228        dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",
 229                tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
 230                tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
 231        dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",
 232                tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
 233        dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",
 234                tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
 235        dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",
 236                tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
 237
 238        dump_reg_range(sd, "CC   data",   TVP5150_CC_DATA_INI,
 239                        TVP5150_CC_DATA_END, 8);
 240
 241        dump_reg_range(sd, "WSS  data",   TVP5150_WSS_DATA_INI,
 242                        TVP5150_WSS_DATA_END, 8);
 243
 244        dump_reg_range(sd, "VPS  data",   TVP5150_VPS_DATA_INI,
 245                        TVP5150_VPS_DATA_END, 8);
 246
 247        dump_reg_range(sd, "VITC data",   TVP5150_VITC_DATA_INI,
 248                        TVP5150_VITC_DATA_END, 10);
 249
 250        dump_reg_range(sd, "Line mode",   TVP5150_LINE_MODE_INI,
 251                        TVP5150_LINE_MODE_END, 8);
 252        return 0;
 253}
 254
 255/****************************************************************************
 256                        Basic functions
 257 ****************************************************************************/
 258
 259static void tvp5150_selmux(struct v4l2_subdev *sd)
 260{
 261        int opmode = 0;
 262        struct tvp5150 *decoder = to_tvp5150(sd);
 263        unsigned int mask, val;
 264        int input = 0;
 265
 266        /* Only tvp5150am1 and tvp5151 have signal generator support */
 267        if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
 268            (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
 269                if (!decoder->enable)
 270                        input = 8;
 271        }
 272
 273        switch (decoder->input) {
 274        case TVP5150_COMPOSITE1:
 275                input |= 2;
 276                /* fall through */
 277        case TVP5150_COMPOSITE0:
 278                break;
 279        case TVP5150_SVIDEO:
 280        default:
 281                input |= 1;
 282                break;
 283        }
 284
 285        dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n",
 286                        decoder->input, decoder->output,
 287                        input, opmode);
 288
 289        regmap_write(decoder->regmap, TVP5150_OP_MODE_CTL, opmode);
 290        regmap_write(decoder->regmap, TVP5150_VD_IN_SRC_SEL_1, input);
 291
 292        /*
 293         * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For
 294         * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK
 295         * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the
 296         * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set
 297         * INTREQ/GPCL/VBLK to logic 1.
 298         */
 299        mask = TVP5150_MISC_CTL_GPCL | TVP5150_MISC_CTL_HVLK;
 300        if (decoder->input == TVP5150_SVIDEO)
 301                val = TVP5150_MISC_CTL_HVLK;
 302        else
 303                val = TVP5150_MISC_CTL_GPCL;
 304        regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);
 305};
 306
 307struct i2c_reg_value {
 308        unsigned char reg;
 309        unsigned char value;
 310};
 311
 312/* Default values as sugested at TVP5150AM1 datasheet */
 313static const struct i2c_reg_value tvp5150_init_default[] = {
 314        { /* 0x00 */
 315                TVP5150_VD_IN_SRC_SEL_1, 0x00
 316        },
 317        { /* 0x01 */
 318                TVP5150_ANAL_CHL_CTL, 0x15
 319        },
 320        { /* 0x02 */
 321                TVP5150_OP_MODE_CTL, 0x00
 322        },
 323        { /* 0x03 */
 324                TVP5150_MISC_CTL, 0x01
 325        },
 326        { /* 0x06 */
 327                TVP5150_COLOR_KIL_THSH_CTL, 0x10
 328        },
 329        { /* 0x07 */
 330                TVP5150_LUMA_PROC_CTL_1, 0x60
 331        },
 332        { /* 0x08 */
 333                TVP5150_LUMA_PROC_CTL_2, 0x00
 334        },
 335        { /* 0x09 */
 336                TVP5150_BRIGHT_CTL, 0x80
 337        },
 338        { /* 0x0a */
 339                TVP5150_SATURATION_CTL, 0x80
 340        },
 341        { /* 0x0b */
 342                TVP5150_HUE_CTL, 0x00
 343        },
 344        { /* 0x0c */
 345                TVP5150_CONTRAST_CTL, 0x80
 346        },
 347        { /* 0x0d */
 348                TVP5150_DATA_RATE_SEL, 0x47
 349        },
 350        { /* 0x0e */
 351                TVP5150_LUMA_PROC_CTL_3, 0x00
 352        },
 353        { /* 0x0f */
 354                TVP5150_CONF_SHARED_PIN, 0x08
 355        },
 356        { /* 0x11 */
 357                TVP5150_ACT_VD_CROP_ST_MSB, 0x00
 358        },
 359        { /* 0x12 */
 360                TVP5150_ACT_VD_CROP_ST_LSB, 0x00
 361        },
 362        { /* 0x13 */
 363                TVP5150_ACT_VD_CROP_STP_MSB, 0x00
 364        },
 365        { /* 0x14 */
 366                TVP5150_ACT_VD_CROP_STP_LSB, 0x00
 367        },
 368        { /* 0x15 */
 369                TVP5150_GENLOCK, 0x01
 370        },
 371        { /* 0x16 */
 372                TVP5150_HORIZ_SYNC_START, 0x80
 373        },
 374        { /* 0x18 */
 375                TVP5150_VERT_BLANKING_START, 0x00
 376        },
 377        { /* 0x19 */
 378                TVP5150_VERT_BLANKING_STOP, 0x00
 379        },
 380        { /* 0x1a */
 381                TVP5150_CHROMA_PROC_CTL_1, 0x0c
 382        },
 383        { /* 0x1b */
 384                TVP5150_CHROMA_PROC_CTL_2, 0x14
 385        },
 386        { /* 0x1c */
 387                TVP5150_INT_RESET_REG_B, 0x00
 388        },
 389        { /* 0x1d */
 390                TVP5150_INT_ENABLE_REG_B, 0x00
 391        },
 392        { /* 0x1e */
 393                TVP5150_INTT_CONFIG_REG_B, 0x00
 394        },
 395        { /* 0x28 */
 396                TVP5150_VIDEO_STD, 0x00
 397        },
 398        { /* 0x2e */
 399                TVP5150_MACROVISION_ON_CTR, 0x0f
 400        },
 401        { /* 0x2f */
 402                TVP5150_MACROVISION_OFF_CTR, 0x01
 403        },
 404        { /* 0xbb */
 405                TVP5150_TELETEXT_FIL_ENA, 0x00
 406        },
 407        { /* 0xc0 */
 408                TVP5150_INT_STATUS_REG_A, 0x00
 409        },
 410        { /* 0xc1 */
 411                TVP5150_INT_ENABLE_REG_A, 0x00
 412        },
 413        { /* 0xc2 */
 414                TVP5150_INT_CONF, 0x04
 415        },
 416        { /* 0xc8 */
 417                TVP5150_FIFO_INT_THRESHOLD, 0x80
 418        },
 419        { /* 0xc9 */
 420                TVP5150_FIFO_RESET, 0x00
 421        },
 422        { /* 0xca */
 423                TVP5150_LINE_NUMBER_INT, 0x00
 424        },
 425        { /* 0xcb */
 426                TVP5150_PIX_ALIGN_REG_LOW, 0x4e
 427        },
 428        { /* 0xcc */
 429                TVP5150_PIX_ALIGN_REG_HIGH, 0x00
 430        },
 431        { /* 0xcd */
 432                TVP5150_FIFO_OUT_CTRL, 0x01
 433        },
 434        { /* 0xcf */
 435                TVP5150_FULL_FIELD_ENA, 0x00
 436        },
 437        { /* 0xd0 */
 438                TVP5150_LINE_MODE_INI, 0x00
 439        },
 440        { /* 0xfc */
 441                TVP5150_FULL_FIELD_MODE_REG, 0x7f
 442        },
 443        { /* end of data */
 444                0xff, 0xff
 445        }
 446};
 447
 448/* Default values as sugested at TVP5150AM1 datasheet */
 449static const struct i2c_reg_value tvp5150_init_enable[] = {
 450        {       /* Automatic offset and AGC enabled */
 451                TVP5150_ANAL_CHL_CTL, 0x15
 452        }, {    /* Activate YCrCb output 0x9 or 0xd ? */
 453                TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL |
 454                                  TVP5150_MISC_CTL_INTREQ_OE |
 455                                  TVP5150_MISC_CTL_YCBCR_OE |
 456                                  TVP5150_MISC_CTL_SYNC_OE |
 457                                  TVP5150_MISC_CTL_VBLANK |
 458                                  TVP5150_MISC_CTL_CLOCK_OE,
 459        }, {    /* Activates video std autodetection for all standards */
 460                TVP5150_AUTOSW_MSK, 0x0
 461        }, {    /* Default format: 0x47. For 4:2:2: 0x40 */
 462                TVP5150_DATA_RATE_SEL, 0x47
 463        }, {
 464                TVP5150_CHROMA_PROC_CTL_1, 0x0c
 465        }, {
 466                TVP5150_CHROMA_PROC_CTL_2, 0x54
 467        }, {    /* Non documented, but initialized on WinTV USB2 */
 468                0x27, 0x20
 469        }, {
 470                0xff, 0xff
 471        }
 472};
 473
 474struct tvp5150_vbi_type {
 475        unsigned int vbi_type;
 476        unsigned int ini_line;
 477        unsigned int end_line;
 478        unsigned int by_field :1;
 479};
 480
 481struct i2c_vbi_ram_value {
 482        u16 reg;
 483        struct tvp5150_vbi_type type;
 484        unsigned char values[16];
 485};
 486
 487/* This struct have the values for each supported VBI Standard
 488 * by
 489 tvp5150_vbi_types should follow the same order as vbi_ram_default
 490 * value 0 means rom position 0x10, value 1 means rom position 0x30
 491 * and so on. There are 16 possible locations from 0 to 15.
 492 */
 493
 494static struct i2c_vbi_ram_value vbi_ram_default[] = {
 495
 496        /*
 497         * FIXME: Current api doesn't handle all VBI types, those not
 498         * yet supported are placed under #if 0
 499         */
 500#if 0
 501        [0] = {0x010, /* Teletext, SECAM, WST System A */
 502                {V4L2_SLICED_TELETEXT_SECAM, 6, 23, 1},
 503                { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 504                  0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 505        },
 506#endif
 507        [1] = {0x030, /* Teletext, PAL, WST System B */
 508                {V4L2_SLICED_TELETEXT_B, 6, 22, 1},
 509                { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 510                  0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 511        },
 512#if 0
 513        [2] = {0x050, /* Teletext, PAL, WST System C */
 514                {V4L2_SLICED_TELETEXT_PAL_C, 6, 22, 1},
 515                { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 516                  0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 517        },
 518        [3] = {0x070, /* Teletext, NTSC, WST System B */
 519                {V4L2_SLICED_TELETEXT_NTSC_B, 10, 21, 1},
 520                { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 521                  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 522        },
 523        [4] = {0x090, /* Tetetext, NTSC NABTS System C */
 524                {V4L2_SLICED_TELETEXT_NTSC_C, 10, 21, 1},
 525                { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 526                  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 527        },
 528        [5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 529                {V4L2_SLICED_TELETEXT_NTSC_D, 10, 21, 1},
 530                { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 531                  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 532        },
 533        [6] = {0x0d0, /* Closed Caption, PAL/SECAM */
 534                {V4L2_SLICED_CAPTION_625, 22, 22, 1},
 535                { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 536                  0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 537        },
 538#endif
 539        [7] = {0x0f0, /* Closed Caption, NTSC */
 540                {V4L2_SLICED_CAPTION_525, 21, 21, 1},
 541                { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 542                  0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 543        },
 544        [8] = {0x110, /* Wide Screen Signal, PAL/SECAM */
 545                {V4L2_SLICED_WSS_625, 23, 23, 1},
 546                { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 547                  0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 548        },
 549#if 0
 550        [9] = {0x130, /* Wide Screen Signal, NTSC C */
 551                {V4L2_SLICED_WSS_525, 20, 20, 1},
 552                { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 553                  0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 554        },
 555        [10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 556                {V4l2_SLICED_VITC_625, 6, 22, 0},
 557                { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 558                  0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 559        },
 560        [11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 561                {V4l2_SLICED_VITC_525, 10, 20, 0},
 562                { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 563                  0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 564        },
 565#endif
 566        [12] = {0x190, /* Video Program System (VPS), PAL */
 567                {V4L2_SLICED_VPS, 16, 16, 0},
 568                { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 569                  0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 570        },
 571        /* 0x1d0 User programmable */
 572};
 573
 574static int tvp5150_write_inittab(struct v4l2_subdev *sd,
 575                                const struct i2c_reg_value *regs)
 576{
 577        struct tvp5150 *decoder = to_tvp5150(sd);
 578
 579        while (regs->reg != 0xff) {
 580                regmap_write(decoder->regmap, regs->reg, regs->value);
 581                regs++;
 582        }
 583        return 0;
 584}
 585
 586static int tvp5150_vdp_init(struct v4l2_subdev *sd)
 587{
 588        struct tvp5150 *decoder = to_tvp5150(sd);
 589        struct regmap *map = decoder->regmap;
 590        unsigned int i;
 591        int j;
 592
 593        /* Disable Full Field */
 594        regmap_write(map, TVP5150_FULL_FIELD_ENA, 0);
 595
 596        /* Before programming, Line mode should be at 0xff */
 597        for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
 598                regmap_write(map, i, 0xff);
 599
 600        /* Load Ram Table */
 601        for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) {
 602                const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j];
 603
 604                if (!regs->type.vbi_type)
 605                        continue;
 606
 607                regmap_write(map, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
 608                regmap_write(map, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
 609
 610                for (i = 0; i < 16; i++)
 611                        regmap_write(map, TVP5150_VDP_CONF_RAM_DATA,
 612                                     regs->values[i]);
 613        }
 614        return 0;
 615}
 616
 617/* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 618static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
 619                                struct v4l2_sliced_vbi_cap *cap)
 620{
 621        int line, i;
 622
 623        dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
 624        memset(cap, 0, sizeof(*cap));
 625
 626        for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
 627                const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
 628
 629                if (!regs->type.vbi_type)
 630                        continue;
 631
 632                for (line = regs->type.ini_line;
 633                     line <= regs->type.end_line;
 634                     line++) {
 635                        cap->service_lines[0][line] |= regs->type.vbi_type;
 636                }
 637                cap->service_set |= regs->type.vbi_type;
 638        }
 639        return 0;
 640}
 641
 642/* Set vbi processing
 643 * type - one of tvp5150_vbi_types
 644 * line - line to gather data
 645 * fields: bit 0 field1, bit 1, field2
 646 * flags (default=0xf0) is a bitmask, were set means:
 647 *      bit 7: enable filtering null bytes on CC
 648 *      bit 6: send data also to FIFO
 649 *      bit 5: don't allow data with errors on FIFO
 650 *      bit 4: enable ECC when possible
 651 * pix_align = pix alignment:
 652 *      LSB = field1
 653 *      MSB = field2
 654 */
 655static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 656                        unsigned int type, u8 flags, int line,
 657                        const int fields)
 658{
 659        struct tvp5150 *decoder = to_tvp5150(sd);
 660        v4l2_std_id std = decoder->norm;
 661        u8 reg;
 662        int i, pos = 0;
 663
 664        if (std == V4L2_STD_ALL) {
 665                dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
 666                return 0;
 667        } else if (std & V4L2_STD_625_50) {
 668                /* Don't follow NTSC Line number convension */
 669                line += 3;
 670        }
 671
 672        if (line < 6 || line > 27)
 673                return 0;
 674
 675        for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
 676                const struct i2c_vbi_ram_value *regs =  &vbi_ram_default[i];
 677
 678                if (!regs->type.vbi_type)
 679                        continue;
 680
 681                if ((type & regs->type.vbi_type) &&
 682                    (line >= regs->type.ini_line) &&
 683                    (line <= regs->type.end_line))
 684                        break;
 685                pos++;
 686        }
 687
 688        type = pos | (flags & 0xf0);
 689        reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 690
 691        if (fields & 1)
 692                regmap_write(decoder->regmap, reg, type);
 693
 694        if (fields & 2)
 695                regmap_write(decoder->regmap, reg + 1, type);
 696
 697        return type;
 698}
 699
 700static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line)
 701{
 702        struct tvp5150 *decoder = to_tvp5150(sd);
 703        v4l2_std_id std = decoder->norm;
 704        u8 reg;
 705        int pos, type = 0;
 706        int i, ret = 0;
 707
 708        if (std == V4L2_STD_ALL) {
 709                dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
 710                return 0;
 711        } else if (std & V4L2_STD_625_50) {
 712                /* Don't follow NTSC Line number convension */
 713                line += 3;
 714        }
 715
 716        if (line < 6 || line > 27)
 717                return 0;
 718
 719        reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 720
 721        for (i = 0; i <= 1; i++) {
 722                ret = tvp5150_read(sd, reg + i);
 723                if (ret < 0) {
 724                        dev_err(sd->dev, "%s: failed with error = %d\n",
 725                                 __func__, ret);
 726                        return 0;
 727                }
 728                pos = ret & 0x0f;
 729                if (pos < ARRAY_SIZE(vbi_ram_default))
 730                        type |= vbi_ram_default[pos].type.vbi_type;
 731        }
 732
 733        return type;
 734}
 735
 736static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
 737{
 738        struct tvp5150 *decoder = to_tvp5150(sd);
 739        int fmt = 0;
 740
 741        /* First tests should be against specific std */
 742
 743        if (std == V4L2_STD_NTSC_443) {
 744                fmt = VIDEO_STD_NTSC_4_43_BIT;
 745        } else if (std == V4L2_STD_PAL_M) {
 746                fmt = VIDEO_STD_PAL_M_BIT;
 747        } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
 748                fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
 749        } else {
 750                /* Then, test against generic ones */
 751                if (std & V4L2_STD_NTSC)
 752                        fmt = VIDEO_STD_NTSC_MJ_BIT;
 753                else if (std & V4L2_STD_PAL)
 754                        fmt = VIDEO_STD_PAL_BDGHIN_BIT;
 755                else if (std & V4L2_STD_SECAM)
 756                        fmt = VIDEO_STD_SECAM_BIT;
 757        }
 758
 759        dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
 760        regmap_write(decoder->regmap, TVP5150_VIDEO_STD, fmt);
 761        return 0;
 762}
 763
 764static int tvp5150_g_std(struct v4l2_subdev *sd, v4l2_std_id *std)
 765{
 766        struct tvp5150 *decoder = to_tvp5150(sd);
 767
 768        *std = decoder->norm;
 769
 770        return 0;
 771}
 772
 773static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 774{
 775        struct tvp5150 *decoder = to_tvp5150(sd);
 776
 777        if (decoder->norm == std)
 778                return 0;
 779
 780        /* Change cropping height limits */
 781        if (std & V4L2_STD_525_60)
 782                decoder->rect.height = TVP5150_V_MAX_525_60;
 783        else
 784                decoder->rect.height = TVP5150_V_MAX_OTHERS;
 785
 786        decoder->norm = std;
 787
 788        return tvp5150_set_std(sd, std);
 789}
 790
 791static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
 792{
 793        int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
 794
 795        switch (val & 0x0F) {
 796        case 0x01:
 797                return V4L2_STD_NTSC;
 798        case 0x03:
 799                return V4L2_STD_PAL;
 800        case 0x05:
 801                return V4L2_STD_PAL_M;
 802        case 0x07:
 803                return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
 804        case 0x09:
 805                return V4L2_STD_NTSC_443;
 806        case 0xb:
 807                return V4L2_STD_SECAM;
 808        default:
 809                return V4L2_STD_UNKNOWN;
 810        }
 811}
 812
 813static int query_lock(struct v4l2_subdev *sd)
 814{
 815        struct tvp5150 *decoder = to_tvp5150(sd);
 816        int status;
 817
 818        if (decoder->irq)
 819                return decoder->lock;
 820
 821        regmap_read(decoder->regmap, TVP5150_STATUS_REG_1, &status);
 822
 823        /* For standard detection, we need the 3 locks */
 824        return (status & 0x0e) == 0x0e;
 825}
 826
 827static int tvp5150_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
 828{
 829        *std_id = query_lock(sd) ? tvp5150_read_std(sd) : V4L2_STD_UNKNOWN;
 830
 831        return 0;
 832}
 833
 834static const struct v4l2_event tvp5150_ev_fmt = {
 835        .type = V4L2_EVENT_SOURCE_CHANGE,
 836        .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
 837};
 838
 839static irqreturn_t tvp5150_isr(int irq, void *dev_id)
 840{
 841        struct tvp5150 *decoder = dev_id;
 842        struct regmap *map = decoder->regmap;
 843        unsigned int mask, active = 0, status = 0;
 844
 845        mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
 846               TVP5150_MISC_CTL_CLOCK_OE;
 847
 848        regmap_read(map, TVP5150_INT_STATUS_REG_A, &status);
 849        if (status) {
 850                regmap_write(map, TVP5150_INT_STATUS_REG_A, status);
 851
 852                if (status & TVP5150_INT_A_LOCK) {
 853                        decoder->lock = !!(status & TVP5150_INT_A_LOCK_STATUS);
 854                        dev_dbg_lvl(decoder->sd.dev, 1, debug,
 855                                    "sync lo%s signal\n",
 856                                    decoder->lock ? "ck" : "ss");
 857                        v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
 858                        regmap_update_bits(map, TVP5150_MISC_CTL, mask,
 859                                           decoder->lock ? decoder->oe : 0);
 860                }
 861
 862                return IRQ_HANDLED;
 863        }
 864
 865        regmap_read(map, TVP5150_INT_ACTIVE_REG_B, &active);
 866        if (active) {
 867                status = 0;
 868                regmap_read(map, TVP5150_INT_STATUS_REG_B, &status);
 869                if (status)
 870                        regmap_write(map, TVP5150_INT_RESET_REG_B, status);
 871        }
 872
 873        return IRQ_HANDLED;
 874}
 875
 876static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
 877{
 878        struct tvp5150 *decoder = to_tvp5150(sd);
 879        struct regmap *map = decoder->regmap;
 880
 881        /* Initializes TVP5150 to its default values */
 882        tvp5150_write_inittab(sd, tvp5150_init_default);
 883
 884        if (decoder->irq) {
 885                /* Configure pins: FID, VSYNC, INTREQ, SCLK */
 886                regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x0);
 887                /* Set interrupt polarity to active high */
 888                regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE | 0x1);
 889                regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x1);
 890        } else {
 891                /* Configure pins: FID, VSYNC, GPCL/VBLK, SCLK */
 892                regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x2);
 893                /* Keep interrupt polarity active low */
 894                regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE);
 895                regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x0);
 896        }
 897
 898        /* Initializes VDP registers */
 899        tvp5150_vdp_init(sd);
 900
 901        /* Selects decoder input */
 902        tvp5150_selmux(sd);
 903
 904        /* Initialize image preferences */
 905        v4l2_ctrl_handler_setup(&decoder->hdl);
 906
 907        return 0;
 908}
 909
 910static int tvp5150_enable(struct v4l2_subdev *sd)
 911{
 912        struct tvp5150 *decoder = to_tvp5150(sd);
 913        v4l2_std_id std;
 914
 915        /* Initializes TVP5150 to stream enabled values */
 916        tvp5150_write_inittab(sd, tvp5150_init_enable);
 917
 918        if (decoder->norm == V4L2_STD_ALL)
 919                std = tvp5150_read_std(sd);
 920        else
 921                std = decoder->norm;
 922
 923        /* Disable autoswitch mode */
 924        tvp5150_set_std(sd, std);
 925
 926        /*
 927         * Enable the YCbCr and clock outputs. In discrete sync mode
 928         * (non-BT.656) additionally enable the the sync outputs.
 929         */
 930        switch (decoder->mbus_type) {
 931        case V4L2_MBUS_PARALLEL:
 932                /* 8-bit 4:2:2 YUV with discrete sync output */
 933                regmap_update_bits(decoder->regmap, TVP5150_DATA_RATE_SEL,
 934                                   0x7, 0x0);
 935                decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |
 936                              TVP5150_MISC_CTL_CLOCK_OE |
 937                              TVP5150_MISC_CTL_SYNC_OE;
 938                break;
 939        case V4L2_MBUS_BT656:
 940                decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |
 941                              TVP5150_MISC_CTL_CLOCK_OE;
 942                break;
 943        default:
 944                return -EINVAL;
 945        }
 946
 947        return 0;
 948};
 949
 950static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
 951{
 952        struct v4l2_subdev *sd = to_sd(ctrl);
 953        struct tvp5150 *decoder = to_tvp5150(sd);
 954
 955        switch (ctrl->id) {
 956        case V4L2_CID_BRIGHTNESS:
 957                regmap_write(decoder->regmap, TVP5150_BRIGHT_CTL, ctrl->val);
 958                return 0;
 959        case V4L2_CID_CONTRAST:
 960                regmap_write(decoder->regmap, TVP5150_CONTRAST_CTL, ctrl->val);
 961                return 0;
 962        case V4L2_CID_SATURATION:
 963                regmap_write(decoder->regmap, TVP5150_SATURATION_CTL,
 964                             ctrl->val);
 965                return 0;
 966        case V4L2_CID_HUE:
 967                regmap_write(decoder->regmap, TVP5150_HUE_CTL, ctrl->val);
 968                return 0;
 969        case V4L2_CID_TEST_PATTERN:
 970                decoder->enable = ctrl->val ? false : true;
 971                tvp5150_selmux(sd);
 972                return 0;
 973        }
 974        return -EINVAL;
 975}
 976
 977static void tvp5150_set_default(v4l2_std_id std, struct v4l2_rect *crop)
 978{
 979        /* Default is no cropping */
 980        crop->top = 0;
 981        crop->left = 0;
 982        crop->width = TVP5150_H_MAX;
 983        if (std & V4L2_STD_525_60)
 984                crop->height = TVP5150_V_MAX_525_60;
 985        else
 986                crop->height = TVP5150_V_MAX_OTHERS;
 987}
 988
 989static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
 990                            struct v4l2_subdev_pad_config *cfg,
 991                            struct v4l2_subdev_format *format)
 992{
 993        struct v4l2_mbus_framefmt *f;
 994        struct tvp5150 *decoder = to_tvp5150(sd);
 995
 996        if (!format || (format->pad != TVP5150_PAD_VID_OUT))
 997                return -EINVAL;
 998
 999        f = &format->format;
1000
1001        f->width = decoder->rect.width;
1002        f->height = decoder->rect.height / 2;
1003
1004        f->code = TVP5150_MBUS_FMT;
1005        f->field = TVP5150_FIELD;
1006        f->colorspace = TVP5150_COLORSPACE;
1007
1008        dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
1009                    f->height);
1010        return 0;
1011}
1012
1013static int tvp5150_set_selection(struct v4l2_subdev *sd,
1014                                 struct v4l2_subdev_pad_config *cfg,
1015                                 struct v4l2_subdev_selection *sel)
1016{
1017        struct tvp5150 *decoder = to_tvp5150(sd);
1018        struct v4l2_rect rect = sel->r;
1019        v4l2_std_id std;
1020        int hmax;
1021
1022        if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE ||
1023            sel->target != V4L2_SEL_TGT_CROP)
1024                return -EINVAL;
1025
1026        dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
1027                __func__, rect.left, rect.top, rect.width, rect.height);
1028
1029        /* tvp5150 has some special limits */
1030        rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
1031        rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
1032
1033        /* Calculate height based on current standard */
1034        if (decoder->norm == V4L2_STD_ALL)
1035                std = tvp5150_read_std(sd);
1036        else
1037                std = decoder->norm;
1038
1039        if (std & V4L2_STD_525_60)
1040                hmax = TVP5150_V_MAX_525_60;
1041        else
1042                hmax = TVP5150_V_MAX_OTHERS;
1043
1044        /*
1045         * alignments:
1046         *  - width = 2 due to UYVY colorspace
1047         *  - height, image = no special alignment
1048         */
1049        v4l_bound_align_image(&rect.width,
1050                              TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
1051                              TVP5150_H_MAX - rect.left, 1, &rect.height,
1052                              hmax - TVP5150_MAX_CROP_TOP - rect.top,
1053                              hmax - rect.top, 0, 0);
1054
1055        regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START, rect.top);
1056        regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP,
1057                     rect.top + rect.height - hmax);
1058        regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_MSB,
1059                     rect.left >> TVP5150_CROP_SHIFT);
1060        regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_LSB,
1061                     rect.left | (1 << TVP5150_CROP_SHIFT));
1062        regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_MSB,
1063                     (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
1064                     TVP5150_CROP_SHIFT);
1065        regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_LSB,
1066                     rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
1067
1068        decoder->rect = rect;
1069
1070        return 0;
1071}
1072
1073static int tvp5150_get_selection(struct v4l2_subdev *sd,
1074                                 struct v4l2_subdev_pad_config *cfg,
1075                                 struct v4l2_subdev_selection *sel)
1076{
1077        struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
1078        v4l2_std_id std;
1079
1080        if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
1081                return -EINVAL;
1082
1083        switch (sel->target) {
1084        case V4L2_SEL_TGT_CROP_BOUNDS:
1085                sel->r.left = 0;
1086                sel->r.top = 0;
1087                sel->r.width = TVP5150_H_MAX;
1088
1089                /* Calculate height based on current standard */
1090                if (decoder->norm == V4L2_STD_ALL)
1091                        std = tvp5150_read_std(sd);
1092                else
1093                        std = decoder->norm;
1094                if (std & V4L2_STD_525_60)
1095                        sel->r.height = TVP5150_V_MAX_525_60;
1096                else
1097                        sel->r.height = TVP5150_V_MAX_OTHERS;
1098                return 0;
1099        case V4L2_SEL_TGT_CROP:
1100                sel->r = decoder->rect;
1101                return 0;
1102        default:
1103                return -EINVAL;
1104        }
1105}
1106
1107static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
1108                                 struct v4l2_mbus_config *cfg)
1109{
1110        struct tvp5150 *decoder = to_tvp5150(sd);
1111
1112        cfg->type = decoder->mbus_type;
1113        cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
1114                   | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
1115
1116        return 0;
1117}
1118
1119/****************************************************************************
1120                        V4L2 subdev pad ops
1121 ****************************************************************************/
1122static int tvp5150_init_cfg(struct v4l2_subdev *sd,
1123                            struct v4l2_subdev_pad_config *cfg)
1124{
1125        struct tvp5150 *decoder = to_tvp5150(sd);
1126        v4l2_std_id std;
1127
1128        /*
1129         * Reset selection to maximum on subdev_open() if autodetection is on
1130         * and a standard change is detected.
1131         */
1132        if (decoder->norm == V4L2_STD_ALL) {
1133                std = tvp5150_read_std(sd);
1134                if (std != decoder->detected_norm) {
1135                        decoder->detected_norm = std;
1136                        tvp5150_set_default(std, &decoder->rect);
1137                }
1138        }
1139
1140        return 0;
1141}
1142
1143static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
1144                struct v4l2_subdev_pad_config *cfg,
1145                struct v4l2_subdev_mbus_code_enum *code)
1146{
1147        if (code->pad || code->index)
1148                return -EINVAL;
1149
1150        code->code = TVP5150_MBUS_FMT;
1151        return 0;
1152}
1153
1154static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
1155                                   struct v4l2_subdev_pad_config *cfg,
1156                                   struct v4l2_subdev_frame_size_enum *fse)
1157{
1158        struct tvp5150 *decoder = to_tvp5150(sd);
1159
1160        if (fse->index >= 8 || fse->code != TVP5150_MBUS_FMT)
1161                return -EINVAL;
1162
1163        fse->code = TVP5150_MBUS_FMT;
1164        fse->min_width = decoder->rect.width;
1165        fse->max_width = decoder->rect.width;
1166        fse->min_height = decoder->rect.height / 2;
1167        fse->max_height = decoder->rect.height / 2;
1168
1169        return 0;
1170}
1171
1172/****************************************************************************
1173                        Media entity ops
1174 ****************************************************************************/
1175
1176#ifdef CONFIG_MEDIA_CONTROLLER
1177static int tvp5150_link_setup(struct media_entity *entity,
1178                              const struct media_pad *local,
1179                              const struct media_pad *remote, u32 flags)
1180{
1181        struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1182        struct tvp5150 *decoder = to_tvp5150(sd);
1183        int i;
1184
1185        for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1186                if (remote->entity == &decoder->input_ent[i])
1187                        break;
1188        }
1189
1190        /* Do nothing for entities that are not input connectors */
1191        if (i == TVP5150_INPUT_NUM)
1192                return 0;
1193
1194        decoder->input = i;
1195
1196        tvp5150_selmux(sd);
1197
1198        return 0;
1199}
1200
1201static const struct media_entity_operations tvp5150_sd_media_ops = {
1202        .link_setup = tvp5150_link_setup,
1203};
1204#endif
1205
1206/****************************************************************************
1207                        I2C Command
1208 ****************************************************************************/
1209
1210static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1211{
1212        struct tvp5150 *decoder = to_tvp5150(sd);
1213        unsigned int mask, val = 0, int_val = 0;
1214
1215        mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
1216               TVP5150_MISC_CTL_CLOCK_OE;
1217
1218        if (enable) {
1219                tvp5150_enable(sd);
1220
1221                /* Enable outputs if decoder is locked */
1222                if (decoder->irq)
1223                        val = decoder->lock ? decoder->oe : 0;
1224                else
1225                        val = decoder->oe;
1226                int_val = TVP5150_INT_A_LOCK;
1227                v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
1228        }
1229
1230        regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);
1231        if (decoder->irq)
1232                /* Enable / Disable lock interrupt */
1233                regmap_update_bits(decoder->regmap, TVP5150_INT_ENABLE_REG_A,
1234                                   TVP5150_INT_A_LOCK, int_val);
1235
1236        return 0;
1237}
1238
1239static int tvp5150_s_routing(struct v4l2_subdev *sd,
1240                             u32 input, u32 output, u32 config)
1241{
1242        struct tvp5150 *decoder = to_tvp5150(sd);
1243
1244        decoder->input = input;
1245        decoder->output = output;
1246
1247        if (output == TVP5150_BLACK_SCREEN)
1248                decoder->enable = false;
1249        else
1250                decoder->enable = true;
1251
1252        tvp5150_selmux(sd);
1253        return 0;
1254}
1255
1256static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1257{
1258        struct tvp5150 *decoder = to_tvp5150(sd);
1259
1260        /*
1261         * this is for capturing 36 raw vbi lines
1262         * if there's a way to cut off the beginning 2 vbi lines
1263         * with the tvp5150 then the vbi line count could be lowered
1264         * to 17 lines/field again, although I couldn't find a register
1265         * which could do that cropping
1266         */
1267
1268        if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1269                regmap_write(decoder->regmap, TVP5150_LUMA_PROC_CTL_1, 0x70);
1270        if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1271                regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START,
1272                             0x00);
1273                regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP, 0x01);
1274        }
1275        return 0;
1276}
1277
1278static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1279{
1280        struct tvp5150 *decoder = to_tvp5150(sd);
1281        int i;
1282
1283        if (svbi->service_set != 0) {
1284                for (i = 0; i <= 23; i++) {
1285                        svbi->service_lines[1][i] = 0;
1286                        svbi->service_lines[0][i] =
1287                                tvp5150_set_vbi(sd, svbi->service_lines[0][i],
1288                                                0xf0, i, 3);
1289                }
1290                /* Enables FIFO */
1291                regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 1);
1292        } else {
1293                /* Disables FIFO*/
1294                regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 0);
1295
1296                /* Disable Full Field */
1297                regmap_write(decoder->regmap, TVP5150_FULL_FIELD_ENA, 0);
1298
1299                /* Disable Line modes */
1300                for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1301                        regmap_write(decoder->regmap, i, 0xff);
1302        }
1303        return 0;
1304}
1305
1306static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1307{
1308        int i, mask = 0;
1309
1310        memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1311
1312        for (i = 0; i <= 23; i++) {
1313                svbi->service_lines[0][i] =
1314                        tvp5150_get_vbi(sd, i);
1315                mask |= svbi->service_lines[0][i];
1316        }
1317        svbi->service_set = mask;
1318        return 0;
1319}
1320
1321#ifdef CONFIG_VIDEO_ADV_DEBUG
1322static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1323{
1324        int res;
1325
1326        res = tvp5150_read(sd, reg->reg & 0xff);
1327        if (res < 0) {
1328                dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
1329                return res;
1330        }
1331
1332        reg->val = res;
1333        reg->size = 1;
1334        return 0;
1335}
1336
1337static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1338{
1339        struct tvp5150 *decoder = to_tvp5150(sd);
1340
1341        return regmap_write(decoder->regmap, reg->reg & 0xff, reg->val & 0xff);
1342}
1343#endif
1344
1345static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1346{
1347        int status = tvp5150_read(sd, 0x88);
1348
1349        vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1350        return 0;
1351}
1352
1353static int tvp5150_registered(struct v4l2_subdev *sd)
1354{
1355#ifdef CONFIG_MEDIA_CONTROLLER
1356        struct tvp5150 *decoder = to_tvp5150(sd);
1357        int ret = 0;
1358        int i;
1359
1360        for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1361                struct media_entity *input = &decoder->input_ent[i];
1362                struct media_pad *pad = &decoder->input_pad[i];
1363
1364                if (!input->name)
1365                        continue;
1366
1367                decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1368
1369                ret = media_entity_pads_init(input, 1, pad);
1370                if (ret < 0)
1371                        return ret;
1372
1373                ret = media_device_register_entity(sd->v4l2_dev->mdev, input);
1374                if (ret < 0)
1375                        return ret;
1376
1377                ret = media_create_pad_link(input, 0, &sd->entity,
1378                                            TVP5150_PAD_IF_INPUT, 0);
1379                if (ret < 0) {
1380                        media_device_unregister_entity(input);
1381                        return ret;
1382                }
1383        }
1384#endif
1385
1386        return 0;
1387}
1388
1389/* ----------------------------------------------------------------------- */
1390
1391static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1392        .s_ctrl = tvp5150_s_ctrl,
1393};
1394
1395static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1396        .log_status = tvp5150_log_status,
1397        .reset = tvp5150_reset,
1398#ifdef CONFIG_VIDEO_ADV_DEBUG
1399        .g_register = tvp5150_g_register,
1400        .s_register = tvp5150_s_register,
1401#endif
1402};
1403
1404static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1405        .g_tuner = tvp5150_g_tuner,
1406};
1407
1408static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1409        .s_std = tvp5150_s_std,
1410        .g_std = tvp5150_g_std,
1411        .querystd = tvp5150_querystd,
1412        .s_stream = tvp5150_s_stream,
1413        .s_routing = tvp5150_s_routing,
1414        .g_mbus_config = tvp5150_g_mbus_config,
1415};
1416
1417static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1418        .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1419        .g_sliced_fmt = tvp5150_g_sliced_fmt,
1420        .s_sliced_fmt = tvp5150_s_sliced_fmt,
1421        .s_raw_fmt = tvp5150_s_raw_fmt,
1422};
1423
1424static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1425        .init_cfg = tvp5150_init_cfg,
1426        .enum_mbus_code = tvp5150_enum_mbus_code,
1427        .enum_frame_size = tvp5150_enum_frame_size,
1428        .set_fmt = tvp5150_fill_fmt,
1429        .get_fmt = tvp5150_fill_fmt,
1430        .get_selection = tvp5150_get_selection,
1431        .set_selection = tvp5150_set_selection,
1432};
1433
1434static const struct v4l2_subdev_ops tvp5150_ops = {
1435        .core = &tvp5150_core_ops,
1436        .tuner = &tvp5150_tuner_ops,
1437        .video = &tvp5150_video_ops,
1438        .vbi = &tvp5150_vbi_ops,
1439        .pad = &tvp5150_pad_ops,
1440};
1441
1442static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1443        .registered = tvp5150_registered,
1444};
1445
1446/****************************************************************************
1447                        I2C Client & Driver
1448 ****************************************************************************/
1449
1450static const struct regmap_range tvp5150_readable_ranges[] = {
1451        {
1452                .range_min = TVP5150_VD_IN_SRC_SEL_1,
1453                .range_max = TVP5150_AUTOSW_MSK,
1454        }, {
1455                .range_min = TVP5150_COLOR_KIL_THSH_CTL,
1456                .range_max = TVP5150_CONF_SHARED_PIN,
1457        }, {
1458                .range_min = TVP5150_ACT_VD_CROP_ST_MSB,
1459                .range_max = TVP5150_HORIZ_SYNC_START,
1460        }, {
1461                .range_min = TVP5150_VERT_BLANKING_START,
1462                .range_max = TVP5150_INTT_CONFIG_REG_B,
1463        }, {
1464                .range_min = TVP5150_VIDEO_STD,
1465                .range_max = TVP5150_VIDEO_STD,
1466        }, {
1467                .range_min = TVP5150_CB_GAIN_FACT,
1468                .range_max = TVP5150_REV_SELECT,
1469        }, {
1470                .range_min = TVP5150_MSB_DEV_ID,
1471                .range_max = TVP5150_STATUS_REG_5,
1472        }, {
1473                .range_min = TVP5150_CC_DATA_INI,
1474                .range_max = TVP5150_TELETEXT_FIL_ENA,
1475        }, {
1476                .range_min = TVP5150_INT_STATUS_REG_A,
1477                .range_max = TVP5150_FIFO_OUT_CTRL,
1478        }, {
1479                .range_min = TVP5150_FULL_FIELD_ENA,
1480                .range_max = TVP5150_FULL_FIELD_MODE_REG,
1481        },
1482};
1483
1484static bool tvp5150_volatile_reg(struct device *dev, unsigned int reg)
1485{
1486        switch (reg) {
1487        case TVP5150_VERT_LN_COUNT_MSB:
1488        case TVP5150_VERT_LN_COUNT_LSB:
1489        case TVP5150_INT_STATUS_REG_A:
1490        case TVP5150_INT_STATUS_REG_B:
1491        case TVP5150_INT_ACTIVE_REG_B:
1492        case TVP5150_STATUS_REG_1:
1493        case TVP5150_STATUS_REG_2:
1494        case TVP5150_STATUS_REG_3:
1495        case TVP5150_STATUS_REG_4:
1496        case TVP5150_STATUS_REG_5:
1497        /* CC, WSS, VPS, VITC data? */
1498        case TVP5150_VBI_FIFO_READ_DATA:
1499        case TVP5150_VDP_STATUS_REG:
1500        case TVP5150_FIFO_WORD_COUNT:
1501                return true;
1502        default:
1503                return false;
1504        }
1505}
1506
1507static const struct regmap_access_table tvp5150_readable_table = {
1508        .yes_ranges = tvp5150_readable_ranges,
1509        .n_yes_ranges = ARRAY_SIZE(tvp5150_readable_ranges),
1510};
1511
1512static struct regmap_config tvp5150_config = {
1513        .reg_bits = 8,
1514        .val_bits = 8,
1515        .max_register = 0xff,
1516
1517        .cache_type = REGCACHE_RBTREE,
1518
1519        .rd_table = &tvp5150_readable_table,
1520        .volatile_reg = tvp5150_volatile_reg,
1521};
1522
1523static int tvp5150_detect_version(struct tvp5150 *core)
1524{
1525        struct v4l2_subdev *sd = &core->sd;
1526        struct i2c_client *c = v4l2_get_subdevdata(sd);
1527        u8 regs[4];
1528        int res;
1529
1530        /*
1531         * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1532         * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1533         */
1534        res = regmap_bulk_read(core->regmap, TVP5150_MSB_DEV_ID, regs, 4);
1535        if (res < 0) {
1536                dev_err(&c->dev, "reading ID registers failed: %d\n", res);
1537                return res;
1538        }
1539
1540        core->dev_id = (regs[0] << 8) | regs[1];
1541        core->rom_ver = (regs[2] << 8) | regs[3];
1542
1543        dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1544                  core->dev_id, regs[2], regs[3], c->addr << 1,
1545                  c->adapter->name);
1546
1547        if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1548                dev_info(sd->dev, "tvp5150a detected.\n");
1549        } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1550                dev_info(sd->dev, "tvp5150am1 detected.\n");
1551
1552                /* ITU-T BT.656.4 timing */
1553                regmap_write(core->regmap, TVP5150_REV_SELECT, 0);
1554        } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1555                dev_info(sd->dev, "tvp5151 detected.\n");
1556        } else {
1557                dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
1558                          core->dev_id);
1559        }
1560
1561        return 0;
1562}
1563
1564static int tvp5150_init(struct i2c_client *c)
1565{
1566        struct gpio_desc *pdn_gpio;
1567        struct gpio_desc *reset_gpio;
1568
1569        pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1570        if (IS_ERR(pdn_gpio))
1571                return PTR_ERR(pdn_gpio);
1572
1573        if (pdn_gpio) {
1574                gpiod_set_value_cansleep(pdn_gpio, 0);
1575                /* Delay time between power supplies active and reset */
1576                msleep(20);
1577        }
1578
1579        reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1580        if (IS_ERR(reset_gpio))
1581                return PTR_ERR(reset_gpio);
1582
1583        if (reset_gpio) {
1584                /* RESETB pulse duration */
1585                ndelay(500);
1586                gpiod_set_value_cansleep(reset_gpio, 0);
1587                /* Delay time between end of reset to I2C active */
1588                usleep_range(200, 250);
1589        }
1590
1591        return 0;
1592}
1593
1594static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1595{
1596        struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 };
1597        struct device_node *ep;
1598#ifdef CONFIG_MEDIA_CONTROLLER
1599        struct device_node *connectors, *child;
1600        struct media_entity *input;
1601        const char *name;
1602        u32 input_type;
1603#endif
1604        unsigned int flags;
1605        int ret = 0;
1606
1607        ep = of_graph_get_next_endpoint(np, NULL);
1608        if (!ep)
1609                return -EINVAL;
1610
1611        ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg);
1612        if (ret)
1613                goto err;
1614
1615        flags = bus_cfg.bus.parallel.flags;
1616
1617        if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
1618            !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
1619              flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
1620              flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
1621                ret = -EINVAL;
1622                goto err;
1623        }
1624
1625        decoder->mbus_type = bus_cfg.bus_type;
1626
1627#ifdef CONFIG_MEDIA_CONTROLLER
1628        connectors = of_get_child_by_name(np, "connectors");
1629
1630        if (!connectors)
1631                goto err;
1632
1633        for_each_available_child_of_node(connectors, child) {
1634                ret = of_property_read_u32(child, "input", &input_type);
1635                if (ret) {
1636                        dev_err(decoder->sd.dev,
1637                                 "missing type property in node %pOFn\n",
1638                                 child);
1639                        goto err_connector;
1640                }
1641
1642                if (input_type >= TVP5150_INPUT_NUM) {
1643                        ret = -EINVAL;
1644                        goto err_connector;
1645                }
1646
1647                input = &decoder->input_ent[input_type];
1648
1649                /* Each input connector can only be defined once */
1650                if (input->name) {
1651                        dev_err(decoder->sd.dev,
1652                                 "input %s with same type already exists\n",
1653                                 input->name);
1654                        ret = -EINVAL;
1655                        goto err_connector;
1656                }
1657
1658                switch (input_type) {
1659                case TVP5150_COMPOSITE0:
1660                case TVP5150_COMPOSITE1:
1661                        input->function = MEDIA_ENT_F_CONN_COMPOSITE;
1662                        break;
1663                case TVP5150_SVIDEO:
1664                        input->function = MEDIA_ENT_F_CONN_SVIDEO;
1665                        break;
1666                }
1667
1668                input->flags = MEDIA_ENT_FL_CONNECTOR;
1669
1670                ret = of_property_read_string(child, "label", &name);
1671                if (ret < 0) {
1672                        dev_err(decoder->sd.dev,
1673                                 "missing label property in node %pOFn\n",
1674                                 child);
1675                        goto err_connector;
1676                }
1677
1678                input->name = name;
1679        }
1680
1681err_connector:
1682        of_node_put(connectors);
1683#endif
1684err:
1685        of_node_put(ep);
1686        return ret;
1687}
1688
1689static const char * const tvp5150_test_patterns[2] = {
1690        "Disabled",
1691        "Black screen"
1692};
1693
1694static int tvp5150_probe(struct i2c_client *c,
1695                         const struct i2c_device_id *id)
1696{
1697        struct tvp5150 *core;
1698        struct v4l2_subdev *sd;
1699        struct device_node *np = c->dev.of_node;
1700        struct regmap *map;
1701        int res;
1702
1703        /* Check if the adapter supports the needed features */
1704        if (!i2c_check_functionality(c->adapter,
1705             I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1706                return -EIO;
1707
1708        res = tvp5150_init(c);
1709        if (res)
1710                return res;
1711
1712        core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1713        if (!core)
1714                return -ENOMEM;
1715
1716        map = devm_regmap_init_i2c(c, &tvp5150_config);
1717        if (IS_ERR(map))
1718                return PTR_ERR(map);
1719
1720        core->regmap = map;
1721        sd = &core->sd;
1722
1723        if (IS_ENABLED(CONFIG_OF) && np) {
1724                res = tvp5150_parse_dt(core, np);
1725                if (res) {
1726                        dev_err(sd->dev, "DT parsing error: %d\n", res);
1727                        return res;
1728                }
1729        } else {
1730                /* Default to BT.656 embedded sync */
1731                core->mbus_type = V4L2_MBUS_BT656;
1732        }
1733
1734        v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1735        sd->internal_ops = &tvp5150_internal_ops;
1736        sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1737
1738#if defined(CONFIG_MEDIA_CONTROLLER)
1739        core->pads[TVP5150_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
1740        core->pads[TVP5150_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG;
1741        core->pads[TVP5150_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
1742        core->pads[TVP5150_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV;
1743
1744        sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1745
1746        res = media_entity_pads_init(&sd->entity, TVP5150_NUM_PADS, core->pads);
1747        if (res < 0)
1748                return res;
1749
1750        sd->entity.ops = &tvp5150_sd_media_ops;
1751#endif
1752
1753        res = tvp5150_detect_version(core);
1754        if (res < 0)
1755                return res;
1756
1757        core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1758        core->detected_norm = V4L2_STD_UNKNOWN;
1759        core->input = TVP5150_COMPOSITE1;
1760        core->enable = true;
1761
1762        v4l2_ctrl_handler_init(&core->hdl, 5);
1763        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1764                        V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1765        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1766                        V4L2_CID_CONTRAST, 0, 255, 1, 128);
1767        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1768                        V4L2_CID_SATURATION, 0, 255, 1, 128);
1769        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1770                        V4L2_CID_HUE, -128, 127, 1, 0);
1771        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1772                        V4L2_CID_PIXEL_RATE, 27000000,
1773                        27000000, 1, 27000000);
1774        v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
1775                                     V4L2_CID_TEST_PATTERN,
1776                                     ARRAY_SIZE(tvp5150_test_patterns) - 1,
1777                                     0, 0, tvp5150_test_patterns);
1778        sd->ctrl_handler = &core->hdl;
1779        if (core->hdl.error) {
1780                res = core->hdl.error;
1781                goto err;
1782        }
1783
1784        tvp5150_set_default(tvp5150_read_std(sd), &core->rect);
1785
1786        core->irq = c->irq;
1787        tvp5150_reset(sd, 0);   /* Calls v4l2_ctrl_handler_setup() */
1788        if (c->irq) {
1789                res = devm_request_threaded_irq(&c->dev, c->irq, NULL,
1790                                                tvp5150_isr, IRQF_TRIGGER_HIGH |
1791                                                IRQF_ONESHOT, "tvp5150", core);
1792                if (res)
1793                        goto err;
1794        }
1795
1796        res = v4l2_async_register_subdev(sd);
1797        if (res < 0)
1798                goto err;
1799
1800        if (debug > 1)
1801                tvp5150_log_status(sd);
1802        return 0;
1803
1804err:
1805        v4l2_ctrl_handler_free(&core->hdl);
1806        return res;
1807}
1808
1809static int tvp5150_remove(struct i2c_client *c)
1810{
1811        struct v4l2_subdev *sd = i2c_get_clientdata(c);
1812        struct tvp5150 *decoder = to_tvp5150(sd);
1813
1814        dev_dbg_lvl(sd->dev, 1, debug,
1815                "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1816                c->addr << 1);
1817
1818        v4l2_async_unregister_subdev(sd);
1819        v4l2_ctrl_handler_free(&decoder->hdl);
1820        return 0;
1821}
1822
1823/* ----------------------------------------------------------------------- */
1824
1825static const struct i2c_device_id tvp5150_id[] = {
1826        { "tvp5150", 0 },
1827        { }
1828};
1829MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1830
1831#if IS_ENABLED(CONFIG_OF)
1832static const struct of_device_id tvp5150_of_match[] = {
1833        { .compatible = "ti,tvp5150", },
1834        { /* sentinel */ },
1835};
1836MODULE_DEVICE_TABLE(of, tvp5150_of_match);
1837#endif
1838
1839static struct i2c_driver tvp5150_driver = {
1840        .driver = {
1841                .of_match_table = of_match_ptr(tvp5150_of_match),
1842                .name   = "tvp5150",
1843        },
1844        .probe          = tvp5150_probe,
1845        .remove         = tvp5150_remove,
1846        .id_table       = tvp5150_id,
1847};
1848
1849module_i2c_driver(tvp5150_driver);
1850