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@infradead.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         /* FIXME: Current api doesn't handle all VBI types, those not
 506            yet supported are placed under #if 0 */
 507 #if 0
 508         {0x010, /* Teletext, SECAM, WST System A */
 509                 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
 510                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 511                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 512         },
 513 #endif
 514         {0x030, /* Teletext, PAL, WST System B */
 515                 {V4L2_SLICED_TELETEXT_B,6,22,1},
 516                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 517                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 518         },
 519 #if 0
 520         {0x050, /* Teletext, PAL, WST System C */
 521                 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
 522                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 523                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 524         },
 525         {0x070, /* Teletext, NTSC, WST System B */
 526                 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
 527                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 528                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 529         },
 530         {0x090, /* Tetetext, NTSC NABTS System C */
 531                 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
 532                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 533                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 534         },
 535         {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 536                 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
 537                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 538                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 539         },
 540         {0x0d0, /* Closed Caption, PAL/SECAM */
 541                 {V4L2_SLICED_CAPTION_625,22,22,1},
 542                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 543                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 544         },
 545 #endif
 546         {0x0f0, /* Closed Caption, NTSC */
 547                 {V4L2_SLICED_CAPTION_525,21,21,1},
 548                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 549                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 550         },
 551         {0x110, /* Wide Screen Signal, PAL/SECAM */
 552                 {V4L2_SLICED_WSS_625,23,23,1},
 553                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 554                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 555         },
 556 #if 0
 557         {0x130, /* Wide Screen Signal, NTSC C */
 558                 {V4L2_SLICED_WSS_525,20,20,1},
 559                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 560                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 561         },
 562         {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 563                 {V4l2_SLICED_VITC_625,6,22,0},
 564                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 565                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 566         },
 567         {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 568                 {V4l2_SLICED_VITC_525,10,20,0},
 569                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 570                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 571         },
 572 #endif
 573         {0x190, /* Video Program System (VPS), PAL */
 574                 {V4L2_SLICED_VPS,16,16,0},
 575                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 576                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 577         },
 578         /* 0x1d0 User programmable */
 579
 580         /* End of struct */
 581         { (u16)-1 }
 582 };
 583
 584 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
 585                                 const struct i2c_reg_value *regs)
 586 {
 587         while (regs->reg != 0xff) {
 588                 tvp5150_write(sd, regs->reg, regs->value);
 589                 regs++;
 590         }
 591         return 0;
 592 }
 593
 594 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
 595                                 const struct i2c_vbi_ram_value *regs)
 596 {
 597         unsigned int i;
 598
 599         /* Disable Full Field */
 600         tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
 601
 602         /* Before programming, Line mode should be at 0xff */
 603         for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
 604                 tvp5150_write(sd, i, 0xff);
 605
 606         /* Load Ram Table */
 607         while (regs->reg != (u16)-1) {
 608                 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
 609                 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
 610
 611                 for (i = 0; i < 16; i++)
 612                         tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
 613
 614                 regs++;
 615         }
 616         return 0;
 617 }
 618
 619 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 620 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
 621                                 struct v4l2_sliced_vbi_cap *cap)
 622 {
 623         const struct i2c_vbi_ram_value *regs = vbi_ram_default;
 624         int line;
 625
 626         dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
 627         memset(cap, 0, sizeof *cap);
 628
 629         while (regs->reg != (u16)-1 ) {
 630                 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
 631                         cap->service_lines[0][line] |= regs->type.vbi_type;
 632                 }
 633                 cap->service_set |= regs->type.vbi_type;
 634
 635                 regs++;
 636         }
 637         return 0;
 638 }
 639
 640 /* Set vbi processing
 641  * type - one of tvp5150_vbi_types
 642  * line - line to gather data
 643  * fields: bit 0 field1, bit 1, field2
 644  * flags (default=0xf0) is a bitmask, were set means:
 645  *      bit 7: enable filtering null bytes on CC
 646  *      bit 6: send data also to FIFO
 647  *      bit 5: don't allow data with errors on FIFO
 648  *      bit 4: enable ECC when possible
 649  * pix_align = pix alignment:
 650  *      LSB = field1
 651  *      MSB = field2
 652  */
 653 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 654                         const struct i2c_vbi_ram_value *regs,
 655                         unsigned int type,u8 flags, int line,
 656                         const int fields)
 657 {
 658         struct tvp5150 *decoder = to_tvp5150(sd);
 659         v4l2_std_id std = decoder->norm;
 660         u8 reg;
 661         int pos = 0;
 662
 663         if (std == V4L2_STD_ALL) {
 664                 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
 665                 return 0;
 666         } else if (std & V4L2_STD_625_50) {
 667                 /* Don't follow NTSC Line number convension */
 668                 line += 3;
 669         }
 670
 671         if (line < 6 || line > 27)
 672                 return 0;
 673
 674         while (regs->reg != (u16)-1) {
 675                 if ((type & regs->type.vbi_type) &&
 676                     (line >= regs->type.ini_line) &&
 677                     (line <= regs->type.end_line))
 678                         break;
 679
 680                 regs++;
 681                 pos++;
 682         }
 683
 684         if (regs->reg == (u16)-1)
 685                 return 0;
 686
 687         type = pos | (flags & 0xf0);
 688         reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 689
 690         if (fields & 1)
 691                 tvp5150_write(sd, reg, type);
 692
 693         if (fields & 2)
 694                 tvp5150_write(sd, reg + 1, type);
 695
 696         return type;
 697 }
 698
 699 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
 700                         const struct i2c_vbi_ram_value *regs, 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 < 0x0f)
 730                         type |= regs[pos].type.vbi_type;
 731         }
 732
 733         return type;
 734 }
 735
 736 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
 737 {
 738         struct tvp5150 *decoder = to_tvp5150(sd);
 739         int fmt = 0;
 740
 741         decoder->norm = std;
 742
 743         /* First tests should be against specific std */
 744
 745         if (std == V4L2_STD_NTSC_443) {
 746                 fmt = VIDEO_STD_NTSC_4_43_BIT;
 747         } else if (std == V4L2_STD_PAL_M) {
 748                 fmt = VIDEO_STD_PAL_M_BIT;
 749         } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
 750                 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
 751         } else {
 752                 /* Then, test against generic ones */
 753                 if (std & V4L2_STD_NTSC)
 754                         fmt = VIDEO_STD_NTSC_MJ_BIT;
 755                 else if (std & V4L2_STD_PAL)
 756                         fmt = VIDEO_STD_PAL_BDGHIN_BIT;
 757                 else if (std & V4L2_STD_SECAM)
 758                         fmt = VIDEO_STD_SECAM_BIT;
 759         }
 760
 761         dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
 762         tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
 763         return 0;
 764 }
 765
 766 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 767 {
 768         struct tvp5150 *decoder = to_tvp5150(sd);
 769
 770         if (decoder->norm == std)
 771                 return 0;
 772
 773         /* Change cropping height limits */
 774         if (std & V4L2_STD_525_60)
 775                 decoder->rect.height = TVP5150_V_MAX_525_60;
 776         else
 777                 decoder->rect.height = TVP5150_V_MAX_OTHERS;
 778
 779
 780         return tvp5150_set_std(sd, std);
 781 }
 782
 783 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
 784 {
 785         struct tvp5150 *decoder = to_tvp5150(sd);
 786
 787         /* Initializes TVP5150 to its default values */
 788         tvp5150_write_inittab(sd, tvp5150_init_default);
 789
 790         /* Initializes VDP registers */
 791         tvp5150_vdp_init(sd, vbi_ram_default);
 792
 793         /* Selects decoder input */
 794         tvp5150_selmux(sd);
 795
 796         /* Initializes TVP5150 to stream enabled values */
 797         tvp5150_write_inittab(sd, tvp5150_init_enable);
 798
 799         /* Initialize image preferences */
 800         v4l2_ctrl_handler_setup(&decoder->hdl);
 801
 802         tvp5150_set_std(sd, decoder->norm);
 803
 804         if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
 805                 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40);
 806
 807         return 0;
 808 };
 809
 810 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
 811 {
 812         struct v4l2_subdev *sd = to_sd(ctrl);
 813         struct tvp5150 *decoder = to_tvp5150(sd);
 814
 815         switch (ctrl->id) {
 816         case V4L2_CID_BRIGHTNESS:
 817                 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
 818                 return 0;
 819         case V4L2_CID_CONTRAST:
 820                 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
 821                 return 0;
 822         case V4L2_CID_SATURATION:
 823                 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
 824                 return 0;
 825         case V4L2_CID_HUE:
 826                 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
 827                 break;
 828         case V4L2_CID_TEST_PATTERN:
 829                 decoder->enable = ctrl->val ? false : true;
 830                 tvp5150_selmux(sd);
 831                 return 0;
 832         }
 833         return -EINVAL;
 834 }
 835
 836 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
 837 {
 838         int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
 839
 840         switch (val & 0x0F) {
 841         case 0x01:
 842                 return V4L2_STD_NTSC;
 843         case 0x03:
 844                 return V4L2_STD_PAL;
 845         case 0x05:
 846                 return V4L2_STD_PAL_M;
 847         case 0x07:
 848                 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
 849         case 0x09:
 850                 return V4L2_STD_NTSC_443;
 851         case 0xb:
 852                 return V4L2_STD_SECAM;
 853         default:
 854                 return V4L2_STD_UNKNOWN;
 855         }
 856 }
 857
 858 static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
 859                 struct v4l2_subdev_pad_config *cfg,
 860                 struct v4l2_subdev_format *format)
 861 {
 862         struct v4l2_mbus_framefmt *f;
 863         struct tvp5150 *decoder = to_tvp5150(sd);
 864
 865         if (!format || (format->pad != DEMOD_PAD_VID_OUT))
 866                 return -EINVAL;
 867
 868         f = &format->format;
 869
 870         f->width = decoder->rect.width;
 871         f->height = decoder->rect.height;
 872
 873         f->code = MEDIA_BUS_FMT_UYVY8_2X8;
 874         f->field = V4L2_FIELD_ALTERNATE;
 875         f->colorspace = V4L2_COLORSPACE_SMPTE170M;
 876
 877         dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
 878                         f->height);
 879         return 0;
 880 }
 881
 882 static int tvp5150_set_selection(struct v4l2_subdev *sd,
 883                                  struct v4l2_subdev_pad_config *cfg,
 884                                  struct v4l2_subdev_selection *sel)
 885 {
 886         struct tvp5150 *decoder = to_tvp5150(sd);
 887         struct v4l2_rect rect = sel->r;
 888         v4l2_std_id std;
 889         int hmax;
 890
 891         if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE ||
 892             sel->target != V4L2_SEL_TGT_CROP)
 893                 return -EINVAL;
 894
 895         dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
 896                 __func__, rect.left, rect.top, rect.width, rect.height);
 897
 898         /* tvp5150 has some special limits */
 899         rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
 900         rect.width = clamp_t(unsigned int, rect.width,
 901                              TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
 902                              TVP5150_H_MAX - rect.left);
 903         rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
 904
 905         /* Calculate height based on current standard */
 906         if (decoder->norm == V4L2_STD_ALL)
 907                 std = tvp5150_read_std(sd);
 908         else
 909                 std = decoder->norm;
 910
 911         if (std & V4L2_STD_525_60)
 912                 hmax = TVP5150_V_MAX_525_60;
 913         else
 914                 hmax = TVP5150_V_MAX_OTHERS;
 915
 916         rect.height = clamp_t(unsigned int, rect.height,
 917                               hmax - TVP5150_MAX_CROP_TOP - rect.top,
 918                               hmax - rect.top);
 919
 920         tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
 921         tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
 922                       rect.top + rect.height - hmax);
 923         tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
 924                       rect.left >> TVP5150_CROP_SHIFT);
 925         tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
 926                       rect.left | (1 << TVP5150_CROP_SHIFT));
 927         tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
 928                       (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
 929                       TVP5150_CROP_SHIFT);
 930         tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
 931                       rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
 932
 933         decoder->rect = rect;
 934
 935         return 0;
 936 }
 937
 938 static int tvp5150_get_selection(struct v4l2_subdev *sd,
 939                                  struct v4l2_subdev_pad_config *cfg,
 940                                  struct v4l2_subdev_selection *sel)
 941 {
 942         struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
 943         v4l2_std_id std;
 944
 945         if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
 946                 return -EINVAL;
 947
 948         switch (sel->target) {
 949         case V4L2_SEL_TGT_CROP_BOUNDS:
 950         case V4L2_SEL_TGT_CROP_DEFAULT:
 951                 sel->r.left = 0;
 952                 sel->r.top = 0;
 953                 sel->r.width = TVP5150_H_MAX;
 954
 955                 /* Calculate height based on current standard */
 956                 if (decoder->norm == V4L2_STD_ALL)
 957                         std = tvp5150_read_std(sd);
 958                 else
 959                         std = decoder->norm;
 960                 if (std & V4L2_STD_525_60)
 961                         sel->r.height = TVP5150_V_MAX_525_60;
 962                 else
 963                         sel->r.height = TVP5150_V_MAX_OTHERS;
 964                 return 0;
 965         case V4L2_SEL_TGT_CROP:
 966                 sel->r = decoder->rect;
 967                 return 0;
 968         default:
 969                 return -EINVAL;
 970         }
 971 }
 972
 973 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
 974                                  struct v4l2_mbus_config *cfg)
 975 {
 976         struct tvp5150 *decoder = to_tvp5150(sd);
 977
 978         cfg->type = decoder->mbus_type;
 979         cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
 980                    | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
 981
 982         return 0;
 983 }
 984
 985 /****************************************************************************
 986                         V4L2 subdev pad ops
 987  ****************************************************************************/
 988 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
 989                 struct v4l2_subdev_pad_config *cfg,
 990                 struct v4l2_subdev_mbus_code_enum *code)
 991 {
 992         if (code->pad || code->index)
 993                 return -EINVAL;
 994
 995         code->code = MEDIA_BUS_FMT_UYVY8_2X8;
 996         return 0;
 997 }
 998
 999 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
1000                                    struct v4l2_subdev_pad_config *cfg,
1001                                    struct v4l2_subdev_frame_size_enum *fse)
1002 {
1003         struct tvp5150 *decoder = to_tvp5150(sd);
1004
1005         if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
1006                 return -EINVAL;
1007
1008         fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
1009         fse->min_width = decoder->rect.width;
1010         fse->max_width = decoder->rect.width;
1011         fse->min_height = decoder->rect.height / 2;
1012         fse->max_height = decoder->rect.height / 2;
1013
1014         return 0;
1015 }
1016
1017 /****************************************************************************
1018                         Media entity ops
1019  ****************************************************************************/
1020
1021 #ifdef CONFIG_MEDIA_CONTROLLER
1022 static int tvp5150_link_setup(struct media_entity *entity,
1023                               const struct media_pad *local,
1024                               const struct media_pad *remote, u32 flags)
1025 {
1026         struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1027         struct tvp5150 *decoder = to_tvp5150(sd);
1028         int i;
1029
1030         for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1031                 if (remote->entity == &decoder->input_ent[i])
1032                         break;
1033         }
1034
1035         /* Do nothing for entities that are not input connectors */
1036         if (i == TVP5150_INPUT_NUM)
1037                 return 0;
1038
1039         decoder->input = i;
1040
1041         tvp5150_selmux(sd);
1042
1043         return 0;
1044 }
1045
1046 static const struct media_entity_operations tvp5150_sd_media_ops = {
1047         .link_setup = tvp5150_link_setup,
1048 };
1049 #endif
1050
1051 /****************************************************************************
1052                         I2C Command
1053  ****************************************************************************/
1054
1055 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1056 {
1057         struct tvp5150 *decoder = to_tvp5150(sd);
1058         int val;
1059
1060         /* Enable or disable the video output signals. */
1061         val = tvp5150_read(sd, TVP5150_MISC_CTL);
1062         if (val < 0)
1063                 return val;
1064
1065         val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
1066                  TVP5150_MISC_CTL_CLOCK_OE);
1067
1068         if (enable) {
1069                 /*
1070                  * Enable the YCbCr and clock outputs. In discrete sync mode
1071                  * (non-BT.656) additionally enable the the sync outputs.
1072                  */
1073                 val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE;
1074                 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
1075                         val |= TVP5150_MISC_CTL_SYNC_OE;
1076         }
1077
1078         tvp5150_write(sd, TVP5150_MISC_CTL, val);
1079
1080         return 0;
1081 }
1082
1083 static int tvp5150_s_routing(struct v4l2_subdev *sd,
1084                              u32 input, u32 output, u32 config)
1085 {
1086         struct tvp5150 *decoder = to_tvp5150(sd);
1087
1088         decoder->input = input;
1089         decoder->output = output;
1090
1091         if (output == TVP5150_BLACK_SCREEN)
1092                 decoder->enable = false;
1093         else
1094                 decoder->enable = true;
1095
1096         tvp5150_selmux(sd);
1097         return 0;
1098 }
1099
1100 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1101 {
1102         /* this is for capturing 36 raw vbi lines
1103            if there's a way to cut off the beginning 2 vbi lines
1104            with the tvp5150 then the vbi line count could be lowered
1105            to 17 lines/field again, although I couldn't find a register
1106            which could do that cropping */
1107         if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1108                 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
1109         if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1110                 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
1111                 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
1112         }
1113         return 0;
1114 }
1115
1116 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1117 {
1118         int i;
1119
1120         if (svbi->service_set != 0) {
1121                 for (i = 0; i <= 23; i++) {
1122                         svbi->service_lines[1][i] = 0;
1123                         svbi->service_lines[0][i] =
1124                                 tvp5150_set_vbi(sd, vbi_ram_default,
1125                                        svbi->service_lines[0][i], 0xf0, i, 3);
1126                 }
1127                 /* Enables FIFO */
1128                 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1129         } else {
1130                 /* Disables FIFO*/
1131                 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1132
1133                 /* Disable Full Field */
1134                 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1135
1136                 /* Disable Line modes */
1137                 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1138                         tvp5150_write(sd, i, 0xff);
1139         }
1140         return 0;
1141 }
1142
1143 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1144 {
1145         int i, mask = 0;
1146
1147         memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1148
1149         for (i = 0; i <= 23; i++) {
1150                 svbi->service_lines[0][i] =
1151                         tvp5150_get_vbi(sd, vbi_ram_default, i);
1152                 mask |= svbi->service_lines[0][i];
1153         }
1154         svbi->service_set = mask;
1155         return 0;
1156 }
1157
1158 #ifdef CONFIG_VIDEO_ADV_DEBUG
1159 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1160 {
1161         int res;
1162
1163         res = tvp5150_read(sd, reg->reg & 0xff);
1164         if (res < 0) {
1165                 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
1166                 return res;
1167         }
1168
1169         reg->val = res;
1170         reg->size = 1;
1171         return 0;
1172 }
1173
1174 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1175 {
1176         return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1177 }
1178 #endif
1179
1180 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1181 {
1182         int status = tvp5150_read(sd, 0x88);
1183
1184         vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1185         return 0;
1186 }
1187
1188 static int tvp5150_registered(struct v4l2_subdev *sd)
1189 {
1190 #ifdef CONFIG_MEDIA_CONTROLLER
1191         struct tvp5150 *decoder = to_tvp5150(sd);
1192         int ret = 0;
1193         int i;
1194
1195         for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1196                 struct media_entity *input = &decoder->input_ent[i];
1197                 struct media_pad *pad = &decoder->input_pad[i];
1198
1199                 if (!input->name)
1200                         continue;
1201
1202                 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1203
1204                 ret = media_entity_pads_init(input, 1, pad);
1205                 if (ret < 0)
1206                         return ret;
1207
1208                 ret = media_device_register_entity(sd->v4l2_dev->mdev, input);
1209                 if (ret < 0)
1210                         return ret;
1211
1212                 ret = media_create_pad_link(input, 0, &sd->entity,
1213                                             DEMOD_PAD_IF_INPUT, 0);
1214                 if (ret < 0) {
1215                         media_device_unregister_entity(input);
1216                         return ret;
1217                 }
1218         }
1219 #endif
1220
1221         return 0;
1222 }
1223
1224 /* ----------------------------------------------------------------------- */
1225
1226 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1227         .s_ctrl = tvp5150_s_ctrl,
1228 };
1229
1230 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1231         .log_status = tvp5150_log_status,
1232         .reset = tvp5150_reset,
1233 #ifdef CONFIG_VIDEO_ADV_DEBUG
1234         .g_register = tvp5150_g_register,
1235         .s_register = tvp5150_s_register,
1236 #endif
1237 };
1238
1239 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1240         .g_tuner = tvp5150_g_tuner,
1241 };
1242
1243 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1244         .s_std = tvp5150_s_std,
1245         .s_stream = tvp5150_s_stream,
1246         .s_routing = tvp5150_s_routing,
1247         .g_mbus_config = tvp5150_g_mbus_config,
1248 };
1249
1250 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1251         .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1252         .g_sliced_fmt = tvp5150_g_sliced_fmt,
1253         .s_sliced_fmt = tvp5150_s_sliced_fmt,
1254         .s_raw_fmt = tvp5150_s_raw_fmt,
1255 };
1256
1257 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1258         .enum_mbus_code = tvp5150_enum_mbus_code,
1259         .enum_frame_size = tvp5150_enum_frame_size,
1260         .set_fmt = tvp5150_fill_fmt,
1261         .get_fmt = tvp5150_fill_fmt,
1262         .get_selection = tvp5150_get_selection,
1263         .set_selection = tvp5150_set_selection,
1264 };
1265
1266 static const struct v4l2_subdev_ops tvp5150_ops = {
1267         .core = &tvp5150_core_ops,
1268         .tuner = &tvp5150_tuner_ops,
1269         .video = &tvp5150_video_ops,
1270         .vbi = &tvp5150_vbi_ops,
1271         .pad = &tvp5150_pad_ops,
1272 };
1273
1274 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1275         .registered = tvp5150_registered,
1276 };
1277
1278
1279 /****************************************************************************
1280                         I2C Client & Driver
1281  ****************************************************************************/
1282
1283 static int tvp5150_detect_version(struct tvp5150 *core)
1284 {
1285         struct v4l2_subdev *sd = &core->sd;
1286         struct i2c_client *c = v4l2_get_subdevdata(sd);
1287         unsigned int i;
1288         u8 regs[4];
1289         int res;
1290
1291         /*
1292          * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1293          * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1294          */
1295         for (i = 0; i < 4; i++) {
1296                 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1297                 if (res < 0)
1298                         return res;
1299                 regs[i] = res;
1300         }
1301
1302         core->dev_id = (regs[0] << 8) | regs[1];
1303         core->rom_ver = (regs[2] << 8) | regs[3];
1304
1305         dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1306                   core->dev_id, regs[2], regs[3], c->addr << 1,
1307                   c->adapter->name);
1308
1309         if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1310                 dev_info(sd->dev, "tvp5150a detected.\n");
1311         } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1312                 dev_info(sd->dev, "tvp5150am1 detected.\n");
1313
1314                 /* ITU-T BT.656.4 timing */
1315                 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1316         } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1317                 dev_info(sd->dev, "tvp5151 detected.\n");
1318         } else {
1319                 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
1320                           core->dev_id);
1321         }
1322
1323         return 0;
1324 }
1325
1326 static int tvp5150_init(struct i2c_client *c)
1327 {
1328         struct gpio_desc *pdn_gpio;
1329         struct gpio_desc *reset_gpio;
1330
1331         pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1332         if (IS_ERR(pdn_gpio))
1333                 return PTR_ERR(pdn_gpio);
1334
1335         if (pdn_gpio) {
1336                 gpiod_set_value_cansleep(pdn_gpio, 0);
1337                 /* Delay time between power supplies active and reset */
1338                 msleep(20);
1339         }
1340
1341         reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1342         if (IS_ERR(reset_gpio))
1343                 return PTR_ERR(reset_gpio);
1344
1345         if (reset_gpio) {
1346                 /* RESETB pulse duration */
1347                 ndelay(500);
1348                 gpiod_set_value_cansleep(reset_gpio, 0);
1349                 /* Delay time between end of reset to I2C active */
1350                 usleep_range(200, 250);
1351         }
1352
1353         return 0;
1354 }
1355
1356 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1357 {
1358         struct v4l2_fwnode_endpoint bus_cfg;
1359         struct device_node *ep;
1360 #ifdef CONFIG_MEDIA_CONTROLLER
1361         struct device_node *connectors, *child;
1362         struct media_entity *input;
1363         const char *name;
1364         u32 input_type;
1365 #endif
1366         unsigned int flags;
1367         int ret = 0;
1368
1369         ep = of_graph_get_next_endpoint(np, NULL);
1370         if (!ep)
1371                 return -EINVAL;
1372
1373         ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg);
1374         if (ret)
1375                 goto err;
1376
1377         flags = bus_cfg.bus.parallel.flags;
1378
1379         if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
1380             !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
1381               flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
1382               flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
1383                 ret = -EINVAL;
1384                 goto err;
1385         }
1386
1387         decoder->mbus_type = bus_cfg.bus_type;
1388
1389 #ifdef CONFIG_MEDIA_CONTROLLER
1390         connectors = of_get_child_by_name(np, "connectors");
1391
1392         if (!connectors)
1393                 goto err;
1394
1395         for_each_available_child_of_node(connectors, child) {
1396                 ret = of_property_read_u32(child, "input", &input_type);
1397                 if (ret) {
1398                         dev_err(decoder->sd.dev,
1399                                  "missing type property in node %s\n",
1400                                  child->name);
1401                         goto err_connector;
1402                 }
1403
1404                 if (input_type >= TVP5150_INPUT_NUM) {
1405                         ret = -EINVAL;
1406                         goto err_connector;
1407                 }
1408
1409                 input = &decoder->input_ent[input_type];
1410
1411                 /* Each input connector can only be defined once */
1412                 if (input->name) {
1413                         dev_err(decoder->sd.dev,
1414                                  "input %s with same type already exists\n",
1415                                  input->name);
1416                         ret = -EINVAL;
1417                         goto err_connector;
1418                 }
1419
1420                 switch (input_type) {
1421                 case TVP5150_COMPOSITE0:
1422                 case TVP5150_COMPOSITE1:
1423                         input->function = MEDIA_ENT_F_CONN_COMPOSITE;
1424                         break;
1425                 case TVP5150_SVIDEO:
1426                         input->function = MEDIA_ENT_F_CONN_SVIDEO;
1427                         break;
1428                 }
1429
1430                 input->flags = MEDIA_ENT_FL_CONNECTOR;
1431
1432                 ret = of_property_read_string(child, "label", &name);
1433                 if (ret < 0) {
1434                         dev_err(decoder->sd.dev,
1435                                  "missing label property in node %s\n",
1436                                  child->name);
1437                         goto err_connector;
1438                 }
1439
1440                 input->name = name;
1441         }
1442
1443 err_connector:
1444         of_node_put(connectors);
1445 #endif
1446 err:
1447         of_node_put(ep);
1448         return ret;
1449 }
1450
1451 static const char * const tvp5150_test_patterns[2] = {
1452         "Disabled",
1453         "Black screen"
1454 };
1455
1456 static int tvp5150_probe(struct i2c_client *c,
1457                          const struct i2c_device_id *id)
1458 {
1459         struct tvp5150 *core;
1460         struct v4l2_subdev *sd;
1461         struct device_node *np = c->dev.of_node;
1462         int res;
1463
1464         /* Check if the adapter supports the needed features */
1465         if (!i2c_check_functionality(c->adapter,
1466              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1467                 return -EIO;
1468
1469         res = tvp5150_init(c);
1470         if (res)
1471                 return res;
1472
1473         core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1474         if (!core)
1475                 return -ENOMEM;
1476
1477         sd = &core->sd;
1478
1479         if (IS_ENABLED(CONFIG_OF) && np) {
1480                 res = tvp5150_parse_dt(core, np);
1481                 if (res) {
1482                         dev_err(sd->dev, "DT parsing error: %d\n", res);
1483                         return res;
1484                 }
1485         } else {
1486                 /* Default to BT.656 embedded sync */
1487                 core->mbus_type = V4L2_MBUS_BT656;
1488         }
1489
1490         v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1491         sd->internal_ops = &tvp5150_internal_ops;
1492         sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1493
1494 #if defined(CONFIG_MEDIA_CONTROLLER)
1495         core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
1496         core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
1497         core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
1498
1499         sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1500
1501         res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads);
1502         if (res < 0)
1503                 return res;
1504
1505         sd->entity.ops = &tvp5150_sd_media_ops;
1506 #endif
1507
1508         res = tvp5150_detect_version(core);
1509         if (res < 0)
1510                 return res;
1511
1512         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1513         core->input = TVP5150_COMPOSITE1;
1514         core->enable = true;
1515
1516         v4l2_ctrl_handler_init(&core->hdl, 5);
1517         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1518                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1519         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1520                         V4L2_CID_CONTRAST, 0, 255, 1, 128);
1521         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1522                         V4L2_CID_SATURATION, 0, 255, 1, 128);
1523         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1524                         V4L2_CID_HUE, -128, 127, 1, 0);
1525         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1526                         V4L2_CID_PIXEL_RATE, 27000000,
1527                         27000000, 1, 27000000);
1528         v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
1529                                      V4L2_CID_TEST_PATTERN,
1530                                      ARRAY_SIZE(tvp5150_test_patterns),
1531                                      0, 0, tvp5150_test_patterns);
1532         sd->ctrl_handler = &core->hdl;
1533         if (core->hdl.error) {
1534                 res = core->hdl.error;
1535                 goto err;
1536         }
1537
1538         /* Default is no cropping */
1539         core->rect.top = 0;
1540         if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1541                 core->rect.height = TVP5150_V_MAX_525_60;
1542         else
1543                 core->rect.height = TVP5150_V_MAX_OTHERS;
1544         core->rect.left = 0;
1545         core->rect.width = TVP5150_H_MAX;
1546
1547         tvp5150_reset(sd, 0);   /* Calls v4l2_ctrl_handler_setup() */
1548
1549         res = v4l2_async_register_subdev(sd);
1550         if (res < 0)
1551                 goto err;
1552
1553         if (debug > 1)
1554                 tvp5150_log_status(sd);
1555         return 0;
1556
1557 err:
1558         v4l2_ctrl_handler_free(&core->hdl);
1559         return res;
1560 }
1561
1562 static int tvp5150_remove(struct i2c_client *c)
1563 {
1564         struct v4l2_subdev *sd = i2c_get_clientdata(c);
1565         struct tvp5150 *decoder = to_tvp5150(sd);
1566
1567         dev_dbg_lvl(sd->dev, 1, debug,
1568                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1569                 c->addr << 1);
1570
1571         v4l2_async_unregister_subdev(sd);
1572         v4l2_ctrl_handler_free(&decoder->hdl);
1573         return 0;
1574 }
1575
1576 /* ----------------------------------------------------------------------- */
1577
1578 static const struct i2c_device_id tvp5150_id[] = {
1579         { "tvp5150", 0 },
1580         { }
1581 };
1582 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1583
1584 #if IS_ENABLED(CONFIG_OF)
1585 static const struct of_device_id tvp5150_of_match[] = {
1586         { .compatible = "ti,tvp5150", },
1587         { /* sentinel */ },
1588 };
1589 MODULE_DEVICE_TABLE(of, tvp5150_of_match);
1590 #endif
1591
1592 static struct i2c_driver tvp5150_driver = {
1593         .driver = {
1594                 .of_match_table = of_match_ptr(tvp5150_of_match),
1595                 .name   = "tvp5150",
1596         },
1597         .probe          = tvp5150_probe,
1598         .remove         = tvp5150_remove,
1599         .id_table       = tvp5150_id,
1600 };
1601
1602 module_i2c_driver(tvp5150_driver);