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/module.h>
  14 #include <linux/of_graph.h>
  15 #include <media/v4l2-async.h>
  16 #include <media/v4l2-device.h>
  17 #include <media/v4l2-ctrls.h>
  18 #include <media/v4l2-fwnode.h>
  19 #include <media/v4l2-mc.h>
  20
  21 #include "tvp5150_reg.h"
  22
  23 #define TVP5150_H_MAX           720U
  24 #define TVP5150_V_MAX_525_60    480U
  25 #define TVP5150_V_MAX_OTHERS    576U
  26 #define TVP5150_MAX_CROP_LEFT   511
  27 #define TVP5150_MAX_CROP_TOP    127
  28 #define TVP5150_CROP_SHIFT      2
  29
  30 MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
  31 MODULE_AUTHOR("Mauro Carvalho Chehab");
  32 MODULE_LICENSE("GPL v2");
  33
  34
  35 static int debug;
  36 module_param(debug, int, 0644);
  37 MODULE_PARM_DESC(debug, "Debug level (0-2)");
  38
  39 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
  40
  41 struct tvp5150 {
  42         struct v4l2_subdev sd;
  43 #ifdef CONFIG_MEDIA_CONTROLLER
  44         struct media_pad pads[DEMOD_NUM_PADS];
  45         struct media_entity input_ent[TVP5150_INPUT_NUM];
  46         struct media_pad input_pad[TVP5150_INPUT_NUM];
  47 #endif
  48         struct v4l2_ctrl_handler hdl;
  49         struct v4l2_rect rect;
  50
  51         v4l2_std_id norm;       /* Current set standard */
  52         u32 input;
  53         u32 output;
  54         int enable;
  55
  56         u16 dev_id;
  57         u16 rom_ver;
  58
  59         enum v4l2_mbus_type mbus_type;
  60 };
  61
  62 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
  63 {
  64         return container_of(sd, struct tvp5150, sd);
  65 }
  66
  67 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  68 {
  69         return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
  70 }
  71
  72 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
  73 {
  74         struct i2c_client *c = v4l2_get_subdevdata(sd);
  75         int rc;
  76
  77         rc = i2c_smbus_read_byte_data(c, addr);
  78         if (rc < 0) {
  79                 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
  80                 return rc;
  81         }
  82
  83         dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: read 0x%02x = %02x\n", addr, rc);
  84
  85         return rc;
  86 }
  87
  88 static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
  89                                  unsigned char value)
  90 {
  91         struct i2c_client *c = v4l2_get_subdevdata(sd);
  92         int rc;
  93
  94         dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: writing %02x %02x\n", addr, value);
  95         rc = i2c_smbus_write_byte_data(c, addr, value);
  96         if (rc < 0)
  97                 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
  98
  99         return rc;
 100 }
 101
 102 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
 103                                 const u8 end, int max_line)
 104 {
 105         u8 buf[16];
 106         int i = 0, j, len;
 107
 108         if (max_line > 16) {
 109                 dprintk0(sd->dev, "too much data to dump\n");
 110                 return;
 111         }
 112
 113         for (i = init; i < end; i += max_line) {
 114                 len = (end - i > max_line) ? max_line : end - i;
 115
 116                 for (j = 0; j < len; j++)
 117                         buf[j] = tvp5150_read(sd, i + j);
 118
 119                 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);
 120         }
 121 }
 122
 123 static int tvp5150_log_status(struct v4l2_subdev *sd)
 124 {
 125         dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",
 126                 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
 127         dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",
 128                 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
 129         dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",
 130                 tvp5150_read(sd, TVP5150_OP_MODE_CTL));
 131         dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",
 132                 tvp5150_read(sd, TVP5150_MISC_CTL));
 133         dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",
 134                 tvp5150_read(sd, TVP5150_AUTOSW_MSK));
 135         dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",
 136                 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
 137         dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
 138                 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
 139                 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
 140                 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
 141         dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",
 142                 tvp5150_read(sd, TVP5150_BRIGHT_CTL));
 143         dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",
 144                 tvp5150_read(sd, TVP5150_SATURATION_CTL));
 145         dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",
 146                 tvp5150_read(sd, TVP5150_HUE_CTL));
 147         dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",
 148                 tvp5150_read(sd, TVP5150_CONTRAST_CTL));
 149         dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",
 150                 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
 151         dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",
 152                 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
 153         dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",
 154                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
 155                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
 156         dprintk0(sd->dev, "tvp5150: Active video cropping stop  = 0x%02x%02x\n",
 157                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
 158                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
 159         dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",
 160                 tvp5150_read(sd, TVP5150_GENLOCK));
 161         dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",
 162                 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
 163         dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",
 164                 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
 165         dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",
 166                 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
 167         dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
 168                 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
 169                 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
 170         dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",
 171                 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
 172         dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",
 173                 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
 174         dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",
 175                 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
 176         dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",
 177                 tvp5150_read(sd, TVP5150_VIDEO_STD));
 178         dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
 179                 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
 180                 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
 181         dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",
 182                 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
 183         dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",
 184                 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
 185         dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
 186                 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
 187         dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",
 188                 tvp5150_read(sd, TVP5150_MSB_DEV_ID),
 189                 tvp5150_read(sd, TVP5150_LSB_DEV_ID));
 190         dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",
 191                 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
 192                 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
 193         dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",
 194                 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
 195                 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
 196         dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",
 197                 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
 198         dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",
 199                 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
 200         dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
 201                 tvp5150_read(sd, TVP5150_STATUS_REG_1),
 202                 tvp5150_read(sd, TVP5150_STATUS_REG_2),
 203                 tvp5150_read(sd, TVP5150_STATUS_REG_3),
 204                 tvp5150_read(sd, TVP5150_STATUS_REG_4),
 205                 tvp5150_read(sd, TVP5150_STATUS_REG_5));
 206
 207         dump_reg_range(sd, "Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
 208                         TVP5150_TELETEXT_FIL1_END, 8);
 209         dump_reg_range(sd, "Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
 210                         TVP5150_TELETEXT_FIL2_END, 8);
 211
 212         dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",
 213                 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
 214         dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",
 215                 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
 216         dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",
 217                 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
 218         dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",
 219                 tvp5150_read(sd, TVP5150_INT_CONF));
 220         dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",
 221                 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
 222         dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",
 223                 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
 224         dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",
 225                 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
 226         dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",
 227                 tvp5150_read(sd, TVP5150_FIFO_RESET));
 228         dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",
 229                 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
 230         dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",
 231                 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
 232                 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
 233         dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",
 234                 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
 235         dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",
 236                 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
 237         dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",
 238                 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
 239
 240         dump_reg_range(sd, "CC   data",   TVP5150_CC_DATA_INI,
 241                         TVP5150_CC_DATA_END, 8);
 242
 243         dump_reg_range(sd, "WSS  data",   TVP5150_WSS_DATA_INI,
 244                         TVP5150_WSS_DATA_END, 8);
 245
 246         dump_reg_range(sd, "VPS  data",   TVP5150_VPS_DATA_INI,
 247                         TVP5150_VPS_DATA_END, 8);
 248
 249         dump_reg_range(sd, "VITC data",   TVP5150_VITC_DATA_INI,
 250                         TVP5150_VITC_DATA_END, 10);
 251
 252         dump_reg_range(sd, "Line mode",   TVP5150_LINE_MODE_INI,
 253                         TVP5150_LINE_MODE_END, 8);
 254         return 0;
 255 }
 256
 257 /****************************************************************************
 258                         Basic functions
 259  ****************************************************************************/
 260
 261 static void tvp5150_selmux(struct v4l2_subdev *sd)
 262 {
 263         int opmode = 0;
 264         struct tvp5150 *decoder = to_tvp5150(sd);
 265         int input = 0;
 266         int val;
 267
 268         /* Only tvp5150am1 and tvp5151 have signal generator support */
 269         if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
 270             (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
 271                 if (!decoder->enable)
 272                         input = 8;
 273         }
 274
 275         switch (decoder->input) {
 276         case TVP5150_COMPOSITE1:
 277                 input |= 2;
 278                 /* fall through */
 279         case TVP5150_COMPOSITE0:
 280                 break;
 281         case TVP5150_SVIDEO:
 282         default:
 283                 input |= 1;
 284                 break;
 285         }
 286
 287         dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n",
 288                         decoder->input, decoder->output,
 289                         input, opmode);
 290
 291         tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
 292         tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
 293
 294         /*
 295          * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For
 296          * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK
 297          * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the
 298          * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set
 299          * INTREQ/GPCL/VBLK to logic 1.
 300          */
 301         val = tvp5150_read(sd, TVP5150_MISC_CTL);
 302         if (val < 0) {
 303                 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val);
 304                 return;
 305         }
 306
 307         if (decoder->input == TVP5150_SVIDEO)
 308                 val = (val & ~TVP5150_MISC_CTL_GPCL) | TVP5150_MISC_CTL_HVLK;
 309         else
 310                 val = (val & ~TVP5150_MISC_CTL_HVLK) | TVP5150_MISC_CTL_GPCL;
 311         tvp5150_write(sd, TVP5150_MISC_CTL, val);
 312 };
 313
 314 struct i2c_reg_value {
 315         unsigned char reg;
 316         unsigned char value;
 317 };
 318
 319 /* Default values as sugested at TVP5150AM1 datasheet */
 320 static const struct i2c_reg_value tvp5150_init_default[] = {
 321         { /* 0x00 */
 322                 TVP5150_VD_IN_SRC_SEL_1, 0x00
 323         },
 324         { /* 0x01 */
 325                 TVP5150_ANAL_CHL_CTL, 0x15
 326         },
 327         { /* 0x02 */
 328                 TVP5150_OP_MODE_CTL, 0x00
 329         },
 330         { /* 0x03 */
 331                 TVP5150_MISC_CTL, 0x01
 332         },
 333         { /* 0x06 */
 334                 TVP5150_COLOR_KIL_THSH_CTL, 0x10
 335         },
 336         { /* 0x07 */
 337                 TVP5150_LUMA_PROC_CTL_1, 0x60
 338         },
 339         { /* 0x08 */
 340                 TVP5150_LUMA_PROC_CTL_2, 0x00
 341         },
 342         { /* 0x09 */
 343                 TVP5150_BRIGHT_CTL, 0x80
 344         },
 345         { /* 0x0a */
 346                 TVP5150_SATURATION_CTL, 0x80
 347         },
 348         { /* 0x0b */
 349                 TVP5150_HUE_CTL, 0x00
 350         },
 351         { /* 0x0c */
 352                 TVP5150_CONTRAST_CTL, 0x80
 353         },
 354         { /* 0x0d */
 355                 TVP5150_DATA_RATE_SEL, 0x47
 356         },
 357         { /* 0x0e */
 358                 TVP5150_LUMA_PROC_CTL_3, 0x00
 359         },
 360         { /* 0x0f */
 361                 TVP5150_CONF_SHARED_PIN, 0x08
 362         },
 363         { /* 0x11 */
 364                 TVP5150_ACT_VD_CROP_ST_MSB, 0x00
 365         },
 366         { /* 0x12 */
 367                 TVP5150_ACT_VD_CROP_ST_LSB, 0x00
 368         },
 369         { /* 0x13 */
 370                 TVP5150_ACT_VD_CROP_STP_MSB, 0x00
 371         },
 372         { /* 0x14 */
 373                 TVP5150_ACT_VD_CROP_STP_LSB, 0x00
 374         },
 375         { /* 0x15 */
 376                 TVP5150_GENLOCK, 0x01
 377         },
 378         { /* 0x16 */
 379                 TVP5150_HORIZ_SYNC_START, 0x80
 380         },
 381         { /* 0x18 */
 382                 TVP5150_VERT_BLANKING_START, 0x00
 383         },
 384         { /* 0x19 */
 385                 TVP5150_VERT_BLANKING_STOP, 0x00
 386         },
 387         { /* 0x1a */
 388                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 389         },
 390         { /* 0x1b */
 391                 TVP5150_CHROMA_PROC_CTL_2, 0x14
 392         },
 393         { /* 0x1c */
 394                 TVP5150_INT_RESET_REG_B, 0x00
 395         },
 396         { /* 0x1d */
 397                 TVP5150_INT_ENABLE_REG_B, 0x00
 398         },
 399         { /* 0x1e */
 400                 TVP5150_INTT_CONFIG_REG_B, 0x00
 401         },
 402         { /* 0x28 */
 403                 TVP5150_VIDEO_STD, 0x00
 404         },
 405         { /* 0x2e */
 406                 TVP5150_MACROVISION_ON_CTR, 0x0f
 407         },
 408         { /* 0x2f */
 409                 TVP5150_MACROVISION_OFF_CTR, 0x01
 410         },
 411         { /* 0xbb */
 412                 TVP5150_TELETEXT_FIL_ENA, 0x00
 413         },
 414         { /* 0xc0 */
 415                 TVP5150_INT_STATUS_REG_A, 0x00
 416         },
 417         { /* 0xc1 */
 418                 TVP5150_INT_ENABLE_REG_A, 0x00
 419         },
 420         { /* 0xc2 */
 421                 TVP5150_INT_CONF, 0x04
 422         },
 423         { /* 0xc8 */
 424                 TVP5150_FIFO_INT_THRESHOLD, 0x80
 425         },
 426         { /* 0xc9 */
 427                 TVP5150_FIFO_RESET, 0x00
 428         },
 429         { /* 0xca */
 430                 TVP5150_LINE_NUMBER_INT, 0x00
 431         },
 432         { /* 0xcb */
 433                 TVP5150_PIX_ALIGN_REG_LOW, 0x4e
 434         },
 435         { /* 0xcc */
 436                 TVP5150_PIX_ALIGN_REG_HIGH, 0x00
 437         },
 438         { /* 0xcd */
 439                 TVP5150_FIFO_OUT_CTRL, 0x01
 440         },
 441         { /* 0xcf */
 442                 TVP5150_FULL_FIELD_ENA, 0x00
 443         },
 444         { /* 0xd0 */
 445                 TVP5150_LINE_MODE_INI, 0x00
 446         },
 447         { /* 0xfc */
 448                 TVP5150_FULL_FIELD_MODE_REG, 0x7f
 449         },
 450         { /* end of data */
 451                 0xff, 0xff
 452         }
 453 };
 454
 455 /* Default values as sugested at TVP5150AM1 datasheet */
 456 static const struct i2c_reg_value tvp5150_init_enable[] = {
 457         {
 458                 TVP5150_CONF_SHARED_PIN, 2
 459         }, {    /* Automatic offset and AGC enabled */
 460                 TVP5150_ANAL_CHL_CTL, 0x15
 461         }, {    /* Activate YCrCb output 0x9 or 0xd ? */
 462                 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL |
 463                                   TVP5150_MISC_CTL_INTREQ_OE |
 464                                   TVP5150_MISC_CTL_YCBCR_OE |
 465                                   TVP5150_MISC_CTL_SYNC_OE |
 466                                   TVP5150_MISC_CTL_VBLANK |
 467                                   TVP5150_MISC_CTL_CLOCK_OE,
 468         }, {    /* Activates video std autodetection for all standards */
 469                 TVP5150_AUTOSW_MSK, 0x0
 470         }, {    /* Default format: 0x47. For 4:2:2: 0x40 */
 471                 TVP5150_DATA_RATE_SEL, 0x47
 472         }, {
 473                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 474         }, {
 475                 TVP5150_CHROMA_PROC_CTL_2, 0x54
 476         }, {    /* Non documented, but initialized on WinTV USB2 */
 477                 0x27, 0x20
 478         }, {
 479                 0xff, 0xff
 480         }
 481 };
 482
 483 struct tvp5150_vbi_type {
 484         unsigned int vbi_type;
 485         unsigned int ini_line;
 486         unsigned int end_line;
 487         unsigned int by_field :1;
 488 };
 489
 490 struct i2c_vbi_ram_value {
 491         u16 reg;
 492         struct tvp5150_vbi_type type;
 493         unsigned char values[16];
 494 };
 495
 496 /* This struct have the values for each supported VBI Standard
 497  * by
 498  tvp5150_vbi_types should follow the same order as vbi_ram_default
 499  * value 0 means rom position 0x10, value 1 means rom position 0x30
 500  * and so on. There are 16 possible locations from 0 to 15.
 501  */
 502
 503 static struct i2c_vbi_ram_value vbi_ram_default[] = {
 504
 505         /*
 506          * FIXME: Current api doesn't handle all VBI types, those not
 507          * yet supported are placed under #if 0
 508          */
 509 #if 0
 510         [0] = {0x010, /* Teletext, SECAM, WST System A */
 511                 {V4L2_SLICED_TELETEXT_SECAM, 6, 23, 1},
 512                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 513                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 514         },
 515 #endif
 516         [1] = {0x030, /* Teletext, PAL, WST System B */
 517                 {V4L2_SLICED_TELETEXT_B, 6, 22, 1},
 518                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 519                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 520         },
 521 #if 0
 522         [2] = {0x050, /* Teletext, PAL, WST System C */
 523                 {V4L2_SLICED_TELETEXT_PAL_C, 6, 22, 1},
 524                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 525                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 526         },
 527         [3] = {0x070, /* Teletext, NTSC, WST System B */
 528                 {V4L2_SLICED_TELETEXT_NTSC_B, 10, 21, 1},
 529                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 530                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 531         },
 532         [4] = {0x090, /* Tetetext, NTSC NABTS System C */
 533                 {V4L2_SLICED_TELETEXT_NTSC_C, 10, 21, 1},
 534                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 535                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 536         },
 537         [5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 538                 {V4L2_SLICED_TELETEXT_NTSC_D, 10, 21, 1},
 539                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 540                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 541         },
 542         [6] = {0x0d0, /* Closed Caption, PAL/SECAM */
 543                 {V4L2_SLICED_CAPTION_625, 22, 22, 1},
 544                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 545                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 546         },
 547 #endif
 548         [7] = {0x0f0, /* Closed Caption, NTSC */
 549                 {V4L2_SLICED_CAPTION_525, 21, 21, 1},
 550                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 551                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 552         },
 553         [8] = {0x110, /* Wide Screen Signal, PAL/SECAM */
 554                 {V4L2_SLICED_WSS_625, 23, 23, 1},
 555                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 556                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 557         },
 558 #if 0
 559         [9] = {0x130, /* Wide Screen Signal, NTSC C */
 560                 {V4L2_SLICED_WSS_525, 20, 20, 1},
 561                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 562                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 563         },
 564         [10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 565                 {V4l2_SLICED_VITC_625, 6, 22, 0},
 566                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 567                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 568         },
 569         [11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 570                 {V4l2_SLICED_VITC_525, 10, 20, 0},
 571                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 572                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 573         },
 574 #endif
 575         [12] = {0x190, /* Video Program System (VPS), PAL */
 576                 {V4L2_SLICED_VPS, 16, 16, 0},
 577                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 578                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 579         },
 580         /* 0x1d0 User programmable */
 581 };
 582
 583 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
 584                                 const struct i2c_reg_value *regs)
 585 {
 586         while (regs->reg != 0xff) {
 587                 tvp5150_write(sd, regs->reg, regs->value);
 588                 regs++;
 589         }
 590         return 0;
 591 }
 592
 593 static int tvp5150_vdp_init(struct v4l2_subdev *sd)
 594 {
 595         unsigned int i;
 596         int j;
 597
 598         /* Disable Full Field */
 599         tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
 600
 601         /* Before programming, Line mode should be at 0xff */
 602         for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
 603                 tvp5150_write(sd, i, 0xff);
 604
 605         /* Load Ram Table */
 606         for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) {
 607                 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j];
 608
 609                 if (!regs->type.vbi_type)
 610                         continue;
 611
 612                 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
 613                 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
 614
 615                 for (i = 0; i < 16; i++)
 616                         tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
 617         }
 618         return 0;
 619 }
 620
 621 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 622 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
 623                                 struct v4l2_sliced_vbi_cap *cap)
 624 {
 625         int line, i;
 626
 627         dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
 628         memset(cap, 0, sizeof(*cap));
 629
 630         for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
 631                 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
 632
 633                 if (!regs->type.vbi_type)
 634                         continue;
 635
 636                 for (line = regs->type.ini_line;
 637                      line <= regs->type.end_line;
 638                      line++) {
 639                         cap->service_lines[0][line] |= regs->type.vbi_type;
 640                 }
 641                 cap->service_set |= regs->type.vbi_type;
 642         }
 643         return 0;
 644 }
 645
 646 /* Set vbi processing
 647  * type - one of tvp5150_vbi_types
 648  * line - line to gather data
 649  * fields: bit 0 field1, bit 1, field2
 650  * flags (default=0xf0) is a bitmask, were set means:
 651  *      bit 7: enable filtering null bytes on CC
 652  *      bit 6: send data also to FIFO
 653  *      bit 5: don't allow data with errors on FIFO
 654  *      bit 4: enable ECC when possible
 655  * pix_align = pix alignment:
 656  *      LSB = field1
 657  *      MSB = field2
 658  */
 659 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 660                         unsigned int type, u8 flags, int line,
 661                         const int fields)
 662 {
 663         struct tvp5150 *decoder = to_tvp5150(sd);
 664         v4l2_std_id std = decoder->norm;
 665         u8 reg;
 666         int i, pos = 0;
 667
 668         if (std == V4L2_STD_ALL) {
 669                 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
 670                 return 0;
 671         } else if (std & V4L2_STD_625_50) {
 672                 /* Don't follow NTSC Line number convension */
 673                 line += 3;
 674         }
 675
 676         if (line < 6 || line > 27)
 677                 return 0;
 678
 679         for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
 680                 const struct i2c_vbi_ram_value *regs =  &vbi_ram_default[i];
 681
 682                 if (!regs->type.vbi_type)
 683                         continue;
 684
 685                 if ((type & regs->type.vbi_type) &&
 686                     (line >= regs->type.ini_line) &&
 687                     (line <= regs->type.end_line))
 688                         break;
 689                 pos++;
 690         }
 691
 692         type = pos | (flags & 0xf0);
 693         reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 694
 695         if (fields & 1)
 696                 tvp5150_write(sd, reg, type);
 697
 698         if (fields & 2)
 699                 tvp5150_write(sd, reg + 1, type);
 700
 701         return type;
 702 }
 703
 704 static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line)
 705 {
 706         struct tvp5150 *decoder = to_tvp5150(sd);
 707         v4l2_std_id std = decoder->norm;
 708         u8 reg;
 709         int pos, type = 0;
 710         int i, ret = 0;
 711
 712         if (std == V4L2_STD_ALL) {
 713                 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
 714                 return 0;
 715         } else if (std & V4L2_STD_625_50) {
 716                 /* Don't follow NTSC Line number convension */
 717                 line += 3;
 718         }
 719
 720         if (line < 6 || line > 27)
 721                 return 0;
 722
 723         reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 724
 725         for (i = 0; i <= 1; i++) {
 726                 ret = tvp5150_read(sd, reg + i);
 727                 if (ret < 0) {
 728                         dev_err(sd->dev, "%s: failed with error = %d\n",
 729                                  __func__, ret);
 730                         return 0;
 731                 }
 732                 pos = ret & 0x0f;
 733                 if (pos < ARRAY_SIZE(vbi_ram_default))
 734                         type |= vbi_ram_default[pos].type.vbi_type;
 735         }
 736
 737         return type;
 738 }
 739
 740 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
 741 {
 742         struct tvp5150 *decoder = to_tvp5150(sd);
 743         int fmt = 0;
 744
 745         decoder->norm = std;
 746
 747         /* First tests should be against specific std */
 748
 749         if (std == V4L2_STD_NTSC_443) {
 750                 fmt = VIDEO_STD_NTSC_4_43_BIT;
 751         } else if (std == V4L2_STD_PAL_M) {
 752                 fmt = VIDEO_STD_PAL_M_BIT;
 753         } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
 754                 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
 755         } else {
 756                 /* Then, test against generic ones */
 757                 if (std & V4L2_STD_NTSC)
 758                         fmt = VIDEO_STD_NTSC_MJ_BIT;
 759                 else if (std & V4L2_STD_PAL)
 760                         fmt = VIDEO_STD_PAL_BDGHIN_BIT;
 761                 else if (std & V4L2_STD_SECAM)
 762                         fmt = VIDEO_STD_SECAM_BIT;
 763         }
 764
 765         dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
 766         tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
 767         return 0;
 768 }
 769
 770 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 771 {
 772         struct tvp5150 *decoder = to_tvp5150(sd);
 773
 774         if (decoder->norm == std)
 775                 return 0;
 776
 777         /* Change cropping height limits */
 778         if (std & V4L2_STD_525_60)
 779                 decoder->rect.height = TVP5150_V_MAX_525_60;
 780         else
 781                 decoder->rect.height = TVP5150_V_MAX_OTHERS;
 782
 783
 784         return tvp5150_set_std(sd, std);
 785 }
 786
 787 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
 788 {
 789         struct tvp5150 *decoder = to_tvp5150(sd);
 790
 791         /* Initializes TVP5150 to its default values */
 792         tvp5150_write_inittab(sd, tvp5150_init_default);
 793
 794         /* Initializes VDP registers */
 795         tvp5150_vdp_init(sd);
 796
 797         /* Selects decoder input */
 798         tvp5150_selmux(sd);
 799
 800         /* Initializes TVP5150 to stream enabled values */
 801         tvp5150_write_inittab(sd, tvp5150_init_enable);
 802
 803         /* Initialize image preferences */
 804         v4l2_ctrl_handler_setup(&decoder->hdl);
 805
 806         tvp5150_set_std(sd, decoder->norm);
 807
 808         if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
 809                 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40);
 810
 811         return 0;
 812 };
 813
 814 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
 815 {
 816         struct v4l2_subdev *sd = to_sd(ctrl);
 817         struct tvp5150 *decoder = to_tvp5150(sd);
 818
 819         switch (ctrl->id) {
 820         case V4L2_CID_BRIGHTNESS:
 821                 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
 822                 return 0;
 823         case V4L2_CID_CONTRAST:
 824                 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
 825                 return 0;
 826         case V4L2_CID_SATURATION:
 827                 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
 828                 return 0;
 829         case V4L2_CID_HUE:
 830                 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
 831                 return 0;
 832         case V4L2_CID_TEST_PATTERN:
 833                 decoder->enable = ctrl->val ? false : true;
 834                 tvp5150_selmux(sd);
 835                 return 0;
 836         }
 837         return -EINVAL;
 838 }
 839
 840 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
 841 {
 842         int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
 843
 844         switch (val & 0x0F) {
 845         case 0x01:
 846                 return V4L2_STD_NTSC;
 847         case 0x03:
 848                 return V4L2_STD_PAL;
 849         case 0x05:
 850                 return V4L2_STD_PAL_M;
 851         case 0x07:
 852                 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
 853         case 0x09:
 854                 return V4L2_STD_NTSC_443;
 855         case 0xb:
 856                 return V4L2_STD_SECAM;
 857         default:
 858                 return V4L2_STD_UNKNOWN;
 859         }
 860 }
 861
 862 static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
 863                 struct v4l2_subdev_pad_config *cfg,
 864                 struct v4l2_subdev_format *format)
 865 {
 866         struct v4l2_mbus_framefmt *f;
 867         struct tvp5150 *decoder = to_tvp5150(sd);
 868
 869         if (!format || (format->pad != DEMOD_PAD_VID_OUT))
 870                 return -EINVAL;
 871
 872         f = &format->format;
 873
 874         f->width = decoder->rect.width;
 875         f->height = decoder->rect.height / 2;
 876
 877         f->code = MEDIA_BUS_FMT_UYVY8_2X8;
 878         f->field = V4L2_FIELD_ALTERNATE;
 879         f->colorspace = V4L2_COLORSPACE_SMPTE170M;
 880
 881         dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
 882                         f->height);
 883         return 0;
 884 }
 885
 886 static int tvp5150_set_selection(struct v4l2_subdev *sd,
 887                                  struct v4l2_subdev_pad_config *cfg,
 888                                  struct v4l2_subdev_selection *sel)
 889 {
 890         struct tvp5150 *decoder = to_tvp5150(sd);
 891         struct v4l2_rect rect = sel->r;
 892         v4l2_std_id std;
 893         int hmax;
 894
 895         if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE ||
 896             sel->target != V4L2_SEL_TGT_CROP)
 897                 return -EINVAL;
 898
 899         dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
 900                 __func__, rect.left, rect.top, rect.width, rect.height);
 901
 902         /* tvp5150 has some special limits */
 903         rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
 904         rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
 905
 906         /* Calculate height based on current standard */
 907         if (decoder->norm == V4L2_STD_ALL)
 908                 std = tvp5150_read_std(sd);
 909         else
 910                 std = decoder->norm;
 911
 912         if (std & V4L2_STD_525_60)
 913                 hmax = TVP5150_V_MAX_525_60;
 914         else
 915                 hmax = TVP5150_V_MAX_OTHERS;
 916
 917         /*
 918          * alignments:
 919          *  - width = 2 due to UYVY colorspace
 920          *  - height, image = no special alignment
 921          */
 922         v4l_bound_align_image(&rect.width,
 923                               TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
 924                               TVP5150_H_MAX - rect.left, 1, &rect.height,
 925                               hmax - TVP5150_MAX_CROP_TOP - rect.top,
 926                               hmax - rect.top, 0, 0);
 927
 928         tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
 929         tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
 930                       rect.top + rect.height - hmax);
 931         tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
 932                       rect.left >> TVP5150_CROP_SHIFT);
 933         tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
 934                       rect.left | (1 << TVP5150_CROP_SHIFT));
 935         tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
 936                       (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
 937                       TVP5150_CROP_SHIFT);
 938         tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
 939                       rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
 940
 941         decoder->rect = rect;
 942
 943         return 0;
 944 }
 945
 946 static int tvp5150_get_selection(struct v4l2_subdev *sd,
 947                                  struct v4l2_subdev_pad_config *cfg,
 948                                  struct v4l2_subdev_selection *sel)
 949 {
 950         struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
 951         v4l2_std_id std;
 952
 953         if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
 954                 return -EINVAL;
 955
 956         switch (sel->target) {
 957         case V4L2_SEL_TGT_CROP_BOUNDS:
 958         case V4L2_SEL_TGT_CROP_DEFAULT:
 959                 sel->r.left = 0;
 960                 sel->r.top = 0;
 961                 sel->r.width = TVP5150_H_MAX;
 962
 963                 /* Calculate height based on current standard */
 964                 if (decoder->norm == V4L2_STD_ALL)
 965                         std = tvp5150_read_std(sd);
 966                 else
 967                         std = decoder->norm;
 968                 if (std & V4L2_STD_525_60)
 969                         sel->r.height = TVP5150_V_MAX_525_60;
 970                 else
 971                         sel->r.height = TVP5150_V_MAX_OTHERS;
 972                 return 0;
 973         case V4L2_SEL_TGT_CROP:
 974                 sel->r = decoder->rect;
 975                 return 0;
 976         default:
 977                 return -EINVAL;
 978         }
 979 }
 980
 981 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
 982                                  struct v4l2_mbus_config *cfg)
 983 {
 984         struct tvp5150 *decoder = to_tvp5150(sd);
 985
 986         cfg->type = decoder->mbus_type;
 987         cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
 988                    | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
 989
 990         return 0;
 991 }
 992
 993 /****************************************************************************
 994                         V4L2 subdev pad ops
 995  ****************************************************************************/
 996 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
 997                 struct v4l2_subdev_pad_config *cfg,
 998                 struct v4l2_subdev_mbus_code_enum *code)
 999 {
1000         if (code->pad || code->index)
1001                 return -EINVAL;
1002
1003         code->code = MEDIA_BUS_FMT_UYVY8_2X8;
1004         return 0;
1005 }
1006
1007 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
1008                                    struct v4l2_subdev_pad_config *cfg,
1009                                    struct v4l2_subdev_frame_size_enum *fse)
1010 {
1011         struct tvp5150 *decoder = to_tvp5150(sd);
1012
1013         if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
1014                 return -EINVAL;
1015
1016         fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
1017         fse->min_width = decoder->rect.width;
1018         fse->max_width = decoder->rect.width;
1019         fse->min_height = decoder->rect.height / 2;
1020         fse->max_height = decoder->rect.height / 2;
1021
1022         return 0;
1023 }
1024
1025 /****************************************************************************
1026                         Media entity ops
1027  ****************************************************************************/
1028
1029 #ifdef CONFIG_MEDIA_CONTROLLER
1030 static int tvp5150_link_setup(struct media_entity *entity,
1031                               const struct media_pad *local,
1032                               const struct media_pad *remote, u32 flags)
1033 {
1034         struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1035         struct tvp5150 *decoder = to_tvp5150(sd);
1036         int i;
1037
1038         for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1039                 if (remote->entity == &decoder->input_ent[i])
1040                         break;
1041         }
1042
1043         /* Do nothing for entities that are not input connectors */
1044         if (i == TVP5150_INPUT_NUM)
1045                 return 0;
1046
1047         decoder->input = i;
1048
1049         tvp5150_selmux(sd);
1050
1051         return 0;
1052 }
1053
1054 static const struct media_entity_operations tvp5150_sd_media_ops = {
1055         .link_setup = tvp5150_link_setup,
1056 };
1057 #endif
1058
1059 /****************************************************************************
1060                         I2C Command
1061  ****************************************************************************/
1062
1063 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1064 {
1065         struct tvp5150 *decoder = to_tvp5150(sd);
1066         int val;
1067
1068         /* Enable or disable the video output signals. */
1069         val = tvp5150_read(sd, TVP5150_MISC_CTL);
1070         if (val < 0)
1071                 return val;
1072
1073         val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
1074                  TVP5150_MISC_CTL_CLOCK_OE);
1075
1076         if (enable) {
1077                 /*
1078                  * Enable the YCbCr and clock outputs. In discrete sync mode
1079                  * (non-BT.656) additionally enable the the sync outputs.
1080                  */
1081                 val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE;
1082                 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
1083                         val |= TVP5150_MISC_CTL_SYNC_OE;
1084         }
1085
1086         tvp5150_write(sd, TVP5150_MISC_CTL, val);
1087
1088         return 0;
1089 }
1090
1091 static int tvp5150_s_routing(struct v4l2_subdev *sd,
1092                              u32 input, u32 output, u32 config)
1093 {
1094         struct tvp5150 *decoder = to_tvp5150(sd);
1095
1096         decoder->input = input;
1097         decoder->output = output;
1098
1099         if (output == TVP5150_BLACK_SCREEN)
1100                 decoder->enable = false;
1101         else
1102                 decoder->enable = true;
1103
1104         tvp5150_selmux(sd);
1105         return 0;
1106 }
1107
1108 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1109 {
1110         /*
1111          * this is for capturing 36 raw vbi lines
1112          * if there's a way to cut off the beginning 2 vbi lines
1113          * with the tvp5150 then the vbi line count could be lowered
1114          * to 17 lines/field again, although I couldn't find a register
1115          * which could do that cropping
1116          */
1117
1118         if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1119                 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
1120         if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1121                 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
1122                 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
1123         }
1124         return 0;
1125 }
1126
1127 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1128 {
1129         int i;
1130
1131         if (svbi->service_set != 0) {
1132                 for (i = 0; i <= 23; i++) {
1133                         svbi->service_lines[1][i] = 0;
1134                         svbi->service_lines[0][i] =
1135                                 tvp5150_set_vbi(sd, svbi->service_lines[0][i],
1136                                                 0xf0, i, 3);
1137                 }
1138                 /* Enables FIFO */
1139                 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1140         } else {
1141                 /* Disables FIFO*/
1142                 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1143
1144                 /* Disable Full Field */
1145                 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1146
1147                 /* Disable Line modes */
1148                 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1149                         tvp5150_write(sd, i, 0xff);
1150         }
1151         return 0;
1152 }
1153
1154 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1155 {
1156         int i, mask = 0;
1157
1158         memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1159
1160         for (i = 0; i <= 23; i++) {
1161                 svbi->service_lines[0][i] =
1162                         tvp5150_get_vbi(sd, i);
1163                 mask |= svbi->service_lines[0][i];
1164         }
1165         svbi->service_set = mask;
1166         return 0;
1167 }
1168
1169 #ifdef CONFIG_VIDEO_ADV_DEBUG
1170 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1171 {
1172         int res;
1173
1174         res = tvp5150_read(sd, reg->reg & 0xff);
1175         if (res < 0) {
1176                 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
1177                 return res;
1178         }
1179
1180         reg->val = res;
1181         reg->size = 1;
1182         return 0;
1183 }
1184
1185 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1186 {
1187         return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1188 }
1189 #endif
1190
1191 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1192 {
1193         int status = tvp5150_read(sd, 0x88);
1194
1195         vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1196         return 0;
1197 }
1198
1199 static int tvp5150_registered(struct v4l2_subdev *sd)
1200 {
1201 #ifdef CONFIG_MEDIA_CONTROLLER
1202         struct tvp5150 *decoder = to_tvp5150(sd);
1203         int ret = 0;
1204         int i;
1205
1206         for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1207                 struct media_entity *input = &decoder->input_ent[i];
1208                 struct media_pad *pad = &decoder->input_pad[i];
1209
1210                 if (!input->name)
1211                         continue;
1212
1213                 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1214
1215                 ret = media_entity_pads_init(input, 1, pad);
1216                 if (ret < 0)
1217                         return ret;
1218
1219                 ret = media_device_register_entity(sd->v4l2_dev->mdev, input);
1220                 if (ret < 0)
1221                         return ret;
1222
1223                 ret = media_create_pad_link(input, 0, &sd->entity,
1224                                             DEMOD_PAD_IF_INPUT, 0);
1225                 if (ret < 0) {
1226                         media_device_unregister_entity(input);
1227                         return ret;
1228                 }
1229         }
1230 #endif
1231
1232         return 0;
1233 }
1234
1235 /* ----------------------------------------------------------------------- */
1236
1237 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1238         .s_ctrl = tvp5150_s_ctrl,
1239 };
1240
1241 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1242         .log_status = tvp5150_log_status,
1243         .reset = tvp5150_reset,
1244 #ifdef CONFIG_VIDEO_ADV_DEBUG
1245         .g_register = tvp5150_g_register,
1246         .s_register = tvp5150_s_register,
1247 #endif
1248 };
1249
1250 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1251         .g_tuner = tvp5150_g_tuner,
1252 };
1253
1254 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1255         .s_std = tvp5150_s_std,
1256         .s_stream = tvp5150_s_stream,
1257         .s_routing = tvp5150_s_routing,
1258         .g_mbus_config = tvp5150_g_mbus_config,
1259 };
1260
1261 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1262         .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1263         .g_sliced_fmt = tvp5150_g_sliced_fmt,
1264         .s_sliced_fmt = tvp5150_s_sliced_fmt,
1265         .s_raw_fmt = tvp5150_s_raw_fmt,
1266 };
1267
1268 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1269         .enum_mbus_code = tvp5150_enum_mbus_code,
1270         .enum_frame_size = tvp5150_enum_frame_size,
1271         .set_fmt = tvp5150_fill_fmt,
1272         .get_fmt = tvp5150_fill_fmt,
1273         .get_selection = tvp5150_get_selection,
1274         .set_selection = tvp5150_set_selection,
1275 };
1276
1277 static const struct v4l2_subdev_ops tvp5150_ops = {
1278         .core = &tvp5150_core_ops,
1279         .tuner = &tvp5150_tuner_ops,
1280         .video = &tvp5150_video_ops,
1281         .vbi = &tvp5150_vbi_ops,
1282         .pad = &tvp5150_pad_ops,
1283 };
1284
1285 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1286         .registered = tvp5150_registered,
1287 };
1288
1289
1290 /****************************************************************************
1291                         I2C Client & Driver
1292  ****************************************************************************/
1293
1294 static int tvp5150_detect_version(struct tvp5150 *core)
1295 {
1296         struct v4l2_subdev *sd = &core->sd;
1297         struct i2c_client *c = v4l2_get_subdevdata(sd);
1298         unsigned int i;
1299         u8 regs[4];
1300         int res;
1301
1302         /*
1303          * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1304          * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1305          */
1306         for (i = 0; i < 4; i++) {
1307                 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1308                 if (res < 0)
1309                         return res;
1310                 regs[i] = res;
1311         }
1312
1313         core->dev_id = (regs[0] << 8) | regs[1];
1314         core->rom_ver = (regs[2] << 8) | regs[3];
1315
1316         dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1317                   core->dev_id, regs[2], regs[3], c->addr << 1,
1318                   c->adapter->name);
1319
1320         if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1321                 dev_info(sd->dev, "tvp5150a detected.\n");
1322         } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1323                 dev_info(sd->dev, "tvp5150am1 detected.\n");
1324
1325                 /* ITU-T BT.656.4 timing */
1326                 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1327         } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1328                 dev_info(sd->dev, "tvp5151 detected.\n");
1329         } else {
1330                 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
1331                           core->dev_id);
1332         }
1333
1334         return 0;
1335 }
1336
1337 static int tvp5150_init(struct i2c_client *c)
1338 {
1339         struct gpio_desc *pdn_gpio;
1340         struct gpio_desc *reset_gpio;
1341
1342         pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1343         if (IS_ERR(pdn_gpio))
1344                 return PTR_ERR(pdn_gpio);
1345
1346         if (pdn_gpio) {
1347                 gpiod_set_value_cansleep(pdn_gpio, 0);
1348                 /* Delay time between power supplies active and reset */
1349                 msleep(20);
1350         }
1351
1352         reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1353         if (IS_ERR(reset_gpio))
1354                 return PTR_ERR(reset_gpio);
1355
1356         if (reset_gpio) {
1357                 /* RESETB pulse duration */
1358                 ndelay(500);
1359                 gpiod_set_value_cansleep(reset_gpio, 0);
1360                 /* Delay time between end of reset to I2C active */
1361                 usleep_range(200, 250);
1362         }
1363
1364         return 0;
1365 }
1366
1367 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1368 {
1369         struct v4l2_fwnode_endpoint bus_cfg;
1370         struct device_node *ep;
1371 #ifdef CONFIG_MEDIA_CONTROLLER
1372         struct device_node *connectors, *child;
1373         struct media_entity *input;
1374         const char *name;
1375         u32 input_type;
1376 #endif
1377         unsigned int flags;
1378         int ret = 0;
1379
1380         ep = of_graph_get_next_endpoint(np, NULL);
1381         if (!ep)
1382                 return -EINVAL;
1383
1384         ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg);
1385         if (ret)
1386                 goto err;
1387
1388         flags = bus_cfg.bus.parallel.flags;
1389
1390         if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
1391             !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
1392               flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
1393               flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
1394                 ret = -EINVAL;
1395                 goto err;
1396         }
1397
1398         decoder->mbus_type = bus_cfg.bus_type;
1399
1400 #ifdef CONFIG_MEDIA_CONTROLLER
1401         connectors = of_get_child_by_name(np, "connectors");
1402
1403         if (!connectors)
1404                 goto err;
1405
1406         for_each_available_child_of_node(connectors, child) {
1407                 ret = of_property_read_u32(child, "input", &input_type);
1408                 if (ret) {
1409                         dev_err(decoder->sd.dev,
1410                                  "missing type property in node %s\n",
1411                                  child->name);
1412                         goto err_connector;
1413                 }
1414
1415                 if (input_type >= TVP5150_INPUT_NUM) {
1416                         ret = -EINVAL;
1417                         goto err_connector;
1418                 }
1419
1420                 input = &decoder->input_ent[input_type];
1421
1422                 /* Each input connector can only be defined once */
1423                 if (input->name) {
1424                         dev_err(decoder->sd.dev,
1425                                  "input %s with same type already exists\n",
1426                                  input->name);
1427                         ret = -EINVAL;
1428                         goto err_connector;
1429                 }
1430
1431                 switch (input_type) {
1432                 case TVP5150_COMPOSITE0:
1433                 case TVP5150_COMPOSITE1:
1434                         input->function = MEDIA_ENT_F_CONN_COMPOSITE;
1435                         break;
1436                 case TVP5150_SVIDEO:
1437                         input->function = MEDIA_ENT_F_CONN_SVIDEO;
1438                         break;
1439                 }
1440
1441                 input->flags = MEDIA_ENT_FL_CONNECTOR;
1442
1443                 ret = of_property_read_string(child, "label", &name);
1444                 if (ret < 0) {
1445                         dev_err(decoder->sd.dev,
1446                                  "missing label property in node %s\n",
1447                                  child->name);
1448                         goto err_connector;
1449                 }
1450
1451                 input->name = name;
1452         }
1453
1454 err_connector:
1455         of_node_put(connectors);
1456 #endif
1457 err:
1458         of_node_put(ep);
1459         return ret;
1460 }
1461
1462 static const char * const tvp5150_test_patterns[2] = {
1463         "Disabled",
1464         "Black screen"
1465 };
1466
1467 static int tvp5150_probe(struct i2c_client *c,
1468                          const struct i2c_device_id *id)
1469 {
1470         struct tvp5150 *core;
1471         struct v4l2_subdev *sd;
1472         struct device_node *np = c->dev.of_node;
1473         int res;
1474
1475         /* Check if the adapter supports the needed features */
1476         if (!i2c_check_functionality(c->adapter,
1477              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1478                 return -EIO;
1479
1480         res = tvp5150_init(c);
1481         if (res)
1482                 return res;
1483
1484         core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1485         if (!core)
1486                 return -ENOMEM;
1487
1488         sd = &core->sd;
1489
1490         if (IS_ENABLED(CONFIG_OF) && np) {
1491                 res = tvp5150_parse_dt(core, np);
1492                 if (res) {
1493                         dev_err(sd->dev, "DT parsing error: %d\n", res);
1494                         return res;
1495                 }
1496         } else {
1497                 /* Default to BT.656 embedded sync */
1498                 core->mbus_type = V4L2_MBUS_BT656;
1499         }
1500
1501         v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1502         sd->internal_ops = &tvp5150_internal_ops;
1503         sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1504
1505 #if defined(CONFIG_MEDIA_CONTROLLER)
1506         core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
1507         core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
1508         core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
1509
1510         sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1511
1512         res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads);
1513         if (res < 0)
1514                 return res;
1515
1516         sd->entity.ops = &tvp5150_sd_media_ops;
1517 #endif
1518
1519         res = tvp5150_detect_version(core);
1520         if (res < 0)
1521                 return res;
1522
1523         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1524         core->input = TVP5150_COMPOSITE1;
1525         core->enable = true;
1526
1527         v4l2_ctrl_handler_init(&core->hdl, 5);
1528         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1529                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1530         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1531                         V4L2_CID_CONTRAST, 0, 255, 1, 128);
1532         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1533                         V4L2_CID_SATURATION, 0, 255, 1, 128);
1534         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1535                         V4L2_CID_HUE, -128, 127, 1, 0);
1536         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1537                         V4L2_CID_PIXEL_RATE, 27000000,
1538                         27000000, 1, 27000000);
1539         v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
1540                                      V4L2_CID_TEST_PATTERN,
1541                                      ARRAY_SIZE(tvp5150_test_patterns) - 1,
1542                                      0, 0, tvp5150_test_patterns);
1543         sd->ctrl_handler = &core->hdl;
1544         if (core->hdl.error) {
1545                 res = core->hdl.error;
1546                 goto err;
1547         }
1548
1549         /* Default is no cropping */
1550         core->rect.top = 0;
1551         if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1552                 core->rect.height = TVP5150_V_MAX_525_60;
1553         else
1554                 core->rect.height = TVP5150_V_MAX_OTHERS;
1555         core->rect.left = 0;
1556         core->rect.width = TVP5150_H_MAX;
1557
1558         tvp5150_reset(sd, 0);   /* Calls v4l2_ctrl_handler_setup() */
1559
1560         res = v4l2_async_register_subdev(sd);
1561         if (res < 0)
1562                 goto err;
1563
1564         if (debug > 1)
1565                 tvp5150_log_status(sd);
1566         return 0;
1567
1568 err:
1569         v4l2_ctrl_handler_free(&core->hdl);
1570         return res;
1571 }
1572
1573 static int tvp5150_remove(struct i2c_client *c)
1574 {
1575         struct v4l2_subdev *sd = i2c_get_clientdata(c);
1576         struct tvp5150 *decoder = to_tvp5150(sd);
1577
1578         dev_dbg_lvl(sd->dev, 1, debug,
1579                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1580                 c->addr << 1);
1581
1582         v4l2_async_unregister_subdev(sd);
1583         v4l2_ctrl_handler_free(&decoder->hdl);
1584         return 0;
1585 }
1586
1587 /* ----------------------------------------------------------------------- */
1588
1589 static const struct i2c_device_id tvp5150_id[] = {
1590         { "tvp5150", 0 },
1591         { }
1592 };
1593 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1594
1595 #if IS_ENABLED(CONFIG_OF)
1596 static const struct of_device_id tvp5150_of_match[] = {
1597         { .compatible = "ti,tvp5150", },
1598         { /* sentinel */ },
1599 };
1600 MODULE_DEVICE_TABLE(of, tvp5150_of_match);
1601 #endif
1602
1603 static struct i2c_driver tvp5150_driver = {
1604         .driver = {
1605                 .of_match_table = of_match_ptr(tvp5150_of_match),
1606                 .name   = "tvp5150",
1607         },
1608         .probe          = tvp5150_probe,
1609         .remove         = tvp5150_remove,
1610         .id_table       = tvp5150_id,
1611 };
1612
1613 module_i2c_driver(tvp5150_driver);