Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Loading...
   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2012 Texas Instruments Inc
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation version 2.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * Contributors:
 *      Manjunath Hadli <manjunath.hadli@ti.com>
 *      Prabhakar Lad <prabhakar.lad@ti.com>
 */

#ifndef _DAVINCI_VPFE_USER_H
#define _DAVINCI_VPFE_USER_H

#include <linux/types.h>
#include <linux/videodev2.h>

/*
 * Private IOCTL
 *
 * VIDIOC_VPFE_ISIF_S_RAW_PARAMS: Set raw params in isif
 * VIDIOC_VPFE_ISIF_G_RAW_PARAMS: Get raw params from isif
 * VIDIOC_VPFE_PRV_S_CONFIG: Set ipipe engine configuration
 * VIDIOC_VPFE_PRV_G_CONFIG: Get ipipe engine configuration
 * VIDIOC_VPFE_RSZ_S_CONFIG: Set resizer engine configuration
 * VIDIOC_VPFE_RSZ_G_CONFIG: Get resizer engine configuration
 */

#define VIDIOC_VPFE_ISIF_S_RAW_PARAMS \
	_IOW('V', BASE_VIDIOC_PRIVATE + 1,  struct vpfe_isif_raw_config)
#define VIDIOC_VPFE_ISIF_G_RAW_PARAMS \
	_IOR('V', BASE_VIDIOC_PRIVATE + 2, struct vpfe_isif_raw_config)
#define VIDIOC_VPFE_IPIPE_S_CONFIG \
	_IOWR('P', BASE_VIDIOC_PRIVATE + 3, struct vpfe_ipipe_config)
#define VIDIOC_VPFE_IPIPE_G_CONFIG \
	_IOWR('P', BASE_VIDIOC_PRIVATE + 4, struct vpfe_ipipe_config)
#define VIDIOC_VPFE_RSZ_S_CONFIG \
	_IOWR('R', BASE_VIDIOC_PRIVATE + 5, struct vpfe_rsz_config)
#define VIDIOC_VPFE_RSZ_G_CONFIG \
	_IOWR('R', BASE_VIDIOC_PRIVATE + 6, struct vpfe_rsz_config)

/*
 * Private Control's for ISIF
 */
#define VPFE_ISIF_CID_CRGAIN		(V4L2_CID_USER_BASE | 0xa001)
#define VPFE_ISIF_CID_CGRGAIN		(V4L2_CID_USER_BASE | 0xa002)
#define VPFE_ISIF_CID_CGBGAIN		(V4L2_CID_USER_BASE | 0xa003)
#define VPFE_ISIF_CID_CBGAIN		(V4L2_CID_USER_BASE | 0xa004)
#define VPFE_ISIF_CID_GAIN_OFFSET	(V4L2_CID_USER_BASE | 0xa005)

/*
 * Private Control's for ISIF and IPIPEIF
 */
#define VPFE_CID_DPCM_PREDICTOR		(V4L2_CID_USER_BASE | 0xa006)

/************************************************************************
 *   Vertical Defect Correction parameters
 ***********************************************************************/

/**
 * vertical defect correction methods
 */
enum vpfe_isif_vdfc_corr_mode {
	/* Defect level subtraction. Just fed through if saturating */
	VPFE_ISIF_VDFC_NORMAL,
	/**
	 * Defect level subtraction. Horizontal interpolation ((i-2)+(i+2))/2
	 * if data saturating
	 */
	VPFE_ISIF_VDFC_HORZ_INTERPOL_IF_SAT,
	/* Horizontal interpolation (((i-2)+(i+2))/2) */
	VPFE_ISIF_VDFC_HORZ_INTERPOL
};

/**
 * Max Size of the Vertical Defect Correction table
 */
#define VPFE_ISIF_VDFC_TABLE_SIZE	8

/**
 * Values used for shifting up the vdfc defect level
 */
enum vpfe_isif_vdfc_shift {
	/* No Shift */
	VPFE_ISIF_VDFC_NO_SHIFT,
	/* Shift by 1 bit */
	VPFE_ISIF_VDFC_SHIFT_1,
	/* Shift by 2 bit */
	VPFE_ISIF_VDFC_SHIFT_2,
	/* Shift by 3 bit */
	VPFE_ISIF_VDFC_SHIFT_3,
	/* Shift by 4 bit */
	VPFE_ISIF_VDFC_SHIFT_4
};

/**
 * Defect Correction (DFC) table entry
 */
struct vpfe_isif_vdfc_entry {
	/* vertical position of defect */
	unsigned short pos_vert;
	/* horizontal position of defect */
	unsigned short pos_horz;
	/**
	 * Defect level of Vertical line defect position. This is subtracted
	 * from the data at the defect position
	 */
	unsigned char level_at_pos;
	/**
	 * Defect level of the pixels upper than the vertical line defect.
	 * This is subtracted from the data
	 */
	unsigned char level_up_pixels;
	/**
	 * Defect level of the pixels lower than the vertical line defect.
	 * This is subtracted from the data
	 */
	unsigned char level_low_pixels;
};

/**
 * Structure for Defect Correction (DFC) parameter
 */
struct vpfe_isif_dfc {
	/* enable vertical defect correction */
	unsigned char en;
	/* Correction methods */
	enum vpfe_isif_vdfc_corr_mode corr_mode;
	/**
	 * 0 - whole line corrected, 1 - not
	 * pixels upper than the defect
	 */
	unsigned char corr_whole_line;
	/**
	 * defect level shift value. level_at_pos, level_upper_pos,
	 * and level_lower_pos can be shifted up by this value
	 */
	enum vpfe_isif_vdfc_shift def_level_shift;
	/* defect saturation level */
	unsigned short def_sat_level;
	/* number of vertical defects. Max is VPFE_ISIF_VDFC_TABLE_SIZE */
	short num_vdefects;
	/* VDFC table ptr */
	struct vpfe_isif_vdfc_entry table[VPFE_ISIF_VDFC_TABLE_SIZE];
};

/************************************************************************
 *   Digital/Black clamp or DC Subtract parameters
 ************************************************************************/
/**
 * Horizontal Black Clamp modes
 */
enum vpfe_isif_horz_bc_mode {
	/**
	 * Horizontal clamp disabled. Only vertical clamp
	 * value is subtracted
	 */
	VPFE_ISIF_HORZ_BC_DISABLE,
	/**
	 * Horizontal clamp value is calculated and subtracted
	 * from image data along with vertical clamp value
	 */
	VPFE_ISIF_HORZ_BC_CLAMP_CALC_ENABLED,
	/**
	 * Horizontal clamp value calculated from previous image
	 * is subtracted from image data along with vertical clamp
	 * value. How the horizontal clamp value for the first image
	 * is calculated in this case ???
	 */
	VPFE_ISIF_HORZ_BC_CLAMP_NOT_UPDATED
};

/**
 * Base window selection for Horizontal Black Clamp calculations
 */
enum vpfe_isif_horz_bc_base_win_sel {
	/* Select Most left window for bc calculation */
	VPFE_ISIF_SEL_MOST_LEFT_WIN,

	/* Select Most right window for bc calculation */
	VPFE_ISIF_SEL_MOST_RIGHT_WIN,
};

/* Size of window in horizontal direction for horizontal bc */
enum vpfe_isif_horz_bc_sz_h {
	VPFE_ISIF_HORZ_BC_SZ_H_2PIXELS,
	VPFE_ISIF_HORZ_BC_SZ_H_4PIXELS,
	VPFE_ISIF_HORZ_BC_SZ_H_8PIXELS,
	VPFE_ISIF_HORZ_BC_SZ_H_16PIXELS
};

/* Size of window in vertcal direction for vertical bc */
enum vpfe_isif_horz_bc_sz_v {
	VPFE_ISIF_HORZ_BC_SZ_H_32PIXELS,
	VPFE_ISIF_HORZ_BC_SZ_H_64PIXELS,
	VPFE_ISIF_HORZ_BC_SZ_H_128PIXELS,
	VPFE_ISIF_HORZ_BC_SZ_H_256PIXELS
};

/**
 * Structure for Horizontal Black Clamp config params
 */
struct vpfe_isif_horz_bclamp {
	/* horizontal clamp mode */
	enum vpfe_isif_horz_bc_mode mode;
	/**
	 * pixel value limit enable.
	 *  0 - limit disabled
	 *  1 - pixel value limited to 1023
	 */
	unsigned char clamp_pix_limit;
	/**
	 * Select most left or right window for clamp val
	 * calculation
	 */
	enum vpfe_isif_horz_bc_base_win_sel base_win_sel_calc;
	/* Window count per color for calculation. range 1-32 */
	unsigned char win_count_calc;
	/* Window start position - horizontal for calculation. 0 - 8191 */
	unsigned short win_start_h_calc;
	/* Window start position - vertical for calculation 0 - 8191 */
	unsigned short win_start_v_calc;
	/* Width of the sample window in pixels for calculation */
	enum vpfe_isif_horz_bc_sz_h win_h_sz_calc;
	/* Height of the sample window in pixels for calculation */
	enum vpfe_isif_horz_bc_sz_v win_v_sz_calc;
};

/**
 * Black Clamp vertical reset values
 */
enum vpfe_isif_vert_bc_reset_val_sel {
	/* Reset value used is the clamp value calculated */
	VPFE_ISIF_VERT_BC_USE_HORZ_CLAMP_VAL,
	/* Reset value used is reset_clamp_val configured */
	VPFE_ISIF_VERT_BC_USE_CONFIG_CLAMP_VAL,
	/* No update, previous image value is used */
	VPFE_ISIF_VERT_BC_NO_UPDATE
};

enum vpfe_isif_vert_bc_sz_h {
	VPFE_ISIF_VERT_BC_SZ_H_2PIXELS,
	VPFE_ISIF_VERT_BC_SZ_H_4PIXELS,
	VPFE_ISIF_VERT_BC_SZ_H_8PIXELS,
	VPFE_ISIF_VERT_BC_SZ_H_16PIXELS,
	VPFE_ISIF_VERT_BC_SZ_H_32PIXELS,
	VPFE_ISIF_VERT_BC_SZ_H_64PIXELS
};

/**
 * Structure for Vertical Black Clamp configuration params
 */
struct vpfe_isif_vert_bclamp {
	/* Reset value selection for vertical clamp calculation */
	enum vpfe_isif_vert_bc_reset_val_sel reset_val_sel;
	/* U12 value if reset_sel = ISIF_BC_VERT_USE_CONFIG_CLAMP_VAL */
	unsigned short reset_clamp_val;
	/**
	 * U8Q8. Line average coefficient used in vertical clamp
	 * calculation
	 */
	unsigned char line_ave_coef;
	/* Width in pixels of the optical black region used for calculation. */
	enum vpfe_isif_vert_bc_sz_h ob_h_sz_calc;
	/* Height of the optical black region for calculation */
	unsigned short ob_v_sz_calc;
	/* Optical black region start position - horizontal. 0 - 8191 */
	unsigned short ob_start_h;
	/* Optical black region start position - vertical 0 - 8191 */
	unsigned short ob_start_v;
};

/**
 * Structure for Black Clamp configuration params
 */
struct vpfe_isif_black_clamp {
	/**
	 * this offset value is added irrespective of the clamp
	 * enable status. S13
	 */
	unsigned short dc_offset;
	/**
	 * Enable black/digital clamp value to be subtracted
	 * from the image data
	 */
	unsigned char en;
	/**
	 * black clamp mode. same/separate clamp for 4 colors
	 * 0 - disable - same clamp value for all colors
	 * 1 - clamp value calculated separately for all colors
	 */
	unsigned char bc_mode_color;
	/* Vertical start position for bc subtraction */
	unsigned short vert_start_sub;
	/* Black clamp for horizontal direction */
	struct vpfe_isif_horz_bclamp horz;
	/* Black clamp for vertical direction */
	struct vpfe_isif_vert_bclamp vert;
};

/*************************************************************************
 ** Color Space Conversion (CSC)
 *************************************************************************/
/**
 * Number of Coefficient values used for CSC
 */
#define VPFE_ISIF_CSC_NUM_COEFF 16

struct float_8_bit {
	/* 8 bit integer part */
	__u8 integer;
	/* 8 bit decimal part */
	__u8 decimal;
};

struct float_16_bit {
	/* 16 bit integer part */
	__u16 integer;
	/* 16 bit decimal part */
	__u16 decimal;
};

/*************************************************************************
 **  Color Space Conversion parameters
 *************************************************************************/
/**
 * Structure used for CSC config params
 */
struct vpfe_isif_color_space_conv {
	/* Enable color space conversion */
	unsigned char en;
	/**
	 * csc coefficient table. S8Q5, M00 at index 0, M01 at index 1, and
	 * so forth
	 */
	struct float_8_bit coeff[VPFE_ISIF_CSC_NUM_COEFF];
};

enum vpfe_isif_datasft {
	/* No Shift */
	VPFE_ISIF_NO_SHIFT,
	/* 1 bit Shift */
	VPFE_ISIF_1BIT_SHIFT,
	/* 2 bit Shift */
	VPFE_ISIF_2BIT_SHIFT,
	/* 3 bit Shift */
	VPFE_ISIF_3BIT_SHIFT,
	/* 4 bit Shift */
	VPFE_ISIF_4BIT_SHIFT,
	/* 5 bit Shift */
	VPFE_ISIF_5BIT_SHIFT,
	/* 6 bit Shift */
	VPFE_ISIF_6BIT_SHIFT
};

#define VPFE_ISIF_LINEAR_TAB_SIZE		192
/*************************************************************************
 **  Linearization parameters
 *************************************************************************/
/**
 * Structure for Sensor data linearization
 */
struct vpfe_isif_linearize {
	/* Enable or Disable linearization of data */
	unsigned char en;
	/* Shift value applied */
	enum vpfe_isif_datasft corr_shft;
	/* scale factor applied U11Q10 */
	struct float_16_bit scale_fact;
	/* Size of the linear table */
	unsigned short table[VPFE_ISIF_LINEAR_TAB_SIZE];
};

/*************************************************************************
 **  ISIF Raw configuration parameters
 *************************************************************************/
enum vpfe_isif_fmt_mode {
	VPFE_ISIF_SPLIT,
	VPFE_ISIF_COMBINE
};

enum vpfe_isif_lnum {
	VPFE_ISIF_1LINE,
	VPFE_ISIF_2LINES,
	VPFE_ISIF_3LINES,
	VPFE_ISIF_4LINES
};

enum vpfe_isif_line {
	VPFE_ISIF_1STLINE,
	VPFE_ISIF_2NDLINE,
	VPFE_ISIF_3RDLINE,
	VPFE_ISIF_4THLINE
};

struct vpfe_isif_fmtplen {
	/**
	 * number of program entries for SET0, range 1 - 16
	 * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is
	 * ISIF_COMBINE
	 */
	unsigned short plen0;
	/**
	 * number of program entries for SET1, range 1 - 16
	 * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is
	 * ISIF_COMBINE
	 */
	unsigned short plen1;
	/**
	 * number of program entries for SET2, range 1 - 16
	 * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is
	 * ISIF_COMBINE
	 */
	unsigned short plen2;
	/**
	 * number of program entries for SET3, range 1 - 16
	 * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is
	 * ISIF_COMBINE
	 */
	unsigned short plen3;
};

struct vpfe_isif_fmt_cfg {
	/* Split or combine or line alternate */
	enum vpfe_isif_fmt_mode fmtmode;
	/* enable or disable line alternating mode */
	unsigned char ln_alter_en;
	/* Split/combine line number */
	enum vpfe_isif_lnum lnum;
	/* Address increment Range 1 - 16 */
	unsigned int addrinc;
};

struct vpfe_isif_fmt_addr_ptr {
	/* Initial address */
	unsigned int init_addr;
	/* output line number */
	enum vpfe_isif_line out_line;
};

struct vpfe_isif_fmtpgm_ap {
	/* program address pointer */
	unsigned char pgm_aptr;
	/* program address increment or decrement */
	unsigned char pgmupdt;
};

struct vpfe_isif_data_formatter {
	/* Enable/Disable data formatter */
	unsigned char en;
	/* data formatter configuration */
	struct vpfe_isif_fmt_cfg cfg;
	/* Formatter program entries length */
	struct vpfe_isif_fmtplen plen;
	/* first pixel in a line fed to formatter */
	unsigned short fmtrlen;
	/* HD interval for output line. Only valid when split line */
	unsigned short fmthcnt;
	/* formatter address pointers */
	struct vpfe_isif_fmt_addr_ptr fmtaddr_ptr[16];
	/* program enable/disable */
	unsigned char pgm_en[32];
	/* program address pointers */
	struct vpfe_isif_fmtpgm_ap fmtpgm_ap[32];
};

struct vpfe_isif_df_csc {
	/* Color Space Conversion configuration, 0 - csc, 1 - df */
	unsigned int df_or_csc;
	/* csc configuration valid if df_or_csc is 0 */
	struct vpfe_isif_color_space_conv csc;
	/* data formatter configuration valid if df_or_csc is 1 */
	struct vpfe_isif_data_formatter df;
	/* start pixel in a line at the input */
	unsigned int start_pix;
	/* number of pixels in input line */
	unsigned int num_pixels;
	/* start line at the input */
	unsigned int start_line;
	/* number of lines at the input */
	unsigned int num_lines;
};

struct vpfe_isif_gain_offsets_adj {
	/* Enable or Disable Gain adjustment for SDRAM data */
	unsigned char gain_sdram_en;
	/* Enable or Disable Gain adjustment for IPIPE data */
	unsigned char gain_ipipe_en;
	/* Enable or Disable Gain adjustment for H3A data */
	unsigned char gain_h3a_en;
	/* Enable or Disable Gain adjustment for SDRAM data */
	unsigned char offset_sdram_en;
	/* Enable or Disable Gain adjustment for IPIPE data */
	unsigned char offset_ipipe_en;
	/* Enable or Disable Gain adjustment for H3A data */
	unsigned char offset_h3a_en;
};

struct vpfe_isif_cul {
	/* Horizontal Cull pattern for odd lines */
	unsigned char hcpat_odd;
	/* Horizontal Cull pattern for even lines */
	unsigned char hcpat_even;
	/* Vertical Cull pattern */
	unsigned char vcpat;
	/* Enable or disable lpf. Apply when cull is enabled */
	unsigned char en_lpf;
};

/* all the stuff in this struct will be provided by userland */
struct vpfe_isif_raw_config {
	/* Linearization parameters for image sensor data input */
	struct vpfe_isif_linearize linearize;
	/* Data formatter or CSC */
	struct vpfe_isif_df_csc df_csc;
	/* Defect Pixel Correction (DFC) confguration */
	struct vpfe_isif_dfc dfc;
	/* Black/Digital Clamp configuration */
	struct vpfe_isif_black_clamp bclamp;
	/* Gain, offset adjustments */
	struct vpfe_isif_gain_offsets_adj gain_offset;
	/* Culling */
	struct vpfe_isif_cul culling;
	/* horizontal offset for Gain/LSC/DFC */
	unsigned short horz_offset;
	/* vertical offset for Gain/LSC/DFC */
	unsigned short vert_offset;
};

/**********************************************************************
 *	IPIPE API Structures
 **********************************************************************/

/* IPIPE module configurations */

/* IPIPE input configuration */
#define VPFE_IPIPE_INPUT_CONFIG		BIT(0)
/* LUT based Defect Pixel Correction */
#define VPFE_IPIPE_LUTDPC		BIT(1)
/* On the fly (OTF) Defect Pixel Correction */
#define VPFE_IPIPE_OTFDPC		BIT(2)
/* Noise Filter - 1 */
#define VPFE_IPIPE_NF1			BIT(3)
/* Noise Filter - 2 */
#define VPFE_IPIPE_NF2			BIT(4)
/* White Balance.  Also a control ID */
#define VPFE_IPIPE_WB			BIT(5)
/* 1st RGB to RBG Blend module */
#define VPFE_IPIPE_RGB2RGB_1		BIT(6)
/* 2nd RGB to RBG Blend module */
#define VPFE_IPIPE_RGB2RGB_2		BIT(7)
/* Gamma Correction */
#define VPFE_IPIPE_GAMMA		BIT(8)
/* 3D LUT color conversion */
#define VPFE_IPIPE_3D_LUT		BIT(9)
/* RGB to YCbCr module */
#define VPFE_IPIPE_RGB2YUV		BIT(10)
/* YUV 422 conversion module */
#define VPFE_IPIPE_YUV422_CONV		BIT(11)
/* Edge Enhancement */
#define VPFE_IPIPE_YEE			BIT(12)
/* Green Imbalance Correction */
#define VPFE_IPIPE_GIC			BIT(13)
/* CFA Interpolation */
#define VPFE_IPIPE_CFA			BIT(14)
/* Chroma Artifact Reduction */
#define VPFE_IPIPE_CAR			BIT(15)
/* Chroma Gain Suppression */
#define VPFE_IPIPE_CGS			BIT(16)
/* Global brightness and contrast control */
#define VPFE_IPIPE_GBCE			BIT(17)

#define VPFE_IPIPE_MAX_MODULES		18

struct ipipe_float_u16 {
	unsigned short integer;
	unsigned short decimal;
};

struct ipipe_float_s16 {
	short integer;
	unsigned short decimal;
};

struct ipipe_float_u8 {
	unsigned char integer;
	unsigned char decimal;
};

/* Copy method selection for vertical correction
 *  Used when ipipe_dfc_corr_meth is IPIPE_DPC_CTORB_AFTER_HINT
 */
enum vpfe_ipipe_dpc_corr_meth {
	/* replace by black or white dot specified by repl_white */
	VPFE_IPIPE_DPC_REPL_BY_DOT = 0,
	/* Copy from left */
	VPFE_IPIPE_DPC_CL = 1,
	/* Copy from right */
	VPFE_IPIPE_DPC_CR = 2,
	/* Horizontal interpolation */
	VPFE_IPIPE_DPC_H_INTP = 3,
	/* Vertical interpolation */
	VPFE_IPIPE_DPC_V_INTP = 4,
	/* Copy from top  */
	VPFE_IPIPE_DPC_CT = 5,
	/* Copy from bottom */
	VPFE_IPIPE_DPC_CB = 6,
	/* 2D interpolation */
	VPFE_IPIPE_DPC_2D_INTP = 7,
};

struct vpfe_ipipe_lutdpc_entry {
	/* Horizontal position */
	unsigned short horz_pos;
	/* vertical position */
	unsigned short vert_pos;
	enum vpfe_ipipe_dpc_corr_meth method;
};

#define VPFE_IPIPE_MAX_SIZE_DPC 256

/* Structure for configuring DPC module */
struct vpfe_ipipe_lutdpc {
	/* 0 - disable, 1 - enable */
	unsigned char en;
	/* 0 - replace with black dot, 1 - white dot when correction
	 * method is  IPIPE_DFC_REPL_BY_DOT=0,
	 */
	unsigned char repl_white;
	/* number of entries in the correction table. Currently only
	 * support up-to 256 entries. infinite mode is not supported
	 */
	unsigned short dpc_size;
	struct vpfe_ipipe_lutdpc_entry table[VPFE_IPIPE_MAX_SIZE_DPC];
};

enum vpfe_ipipe_otfdpc_det_meth {
	VPFE_IPIPE_DPC_OTF_MIN_MAX,
	VPFE_IPIPE_DPC_OTF_MIN_MAX2
};

struct vpfe_ipipe_otfdpc_thr {
	unsigned short r;
	unsigned short gr;
	unsigned short gb;
	unsigned short b;
};

enum vpfe_ipipe_otfdpc_alg {
	VPFE_IPIPE_OTFDPC_2_0,
	VPFE_IPIPE_OTFDPC_3_0
};

struct vpfe_ipipe_otfdpc_2_0_cfg {
	/* defect detection threshold for MIN_MAX2 method  (DPC 2.0 alg) */
	struct vpfe_ipipe_otfdpc_thr det_thr;
	/* defect correction threshold for MIN_MAX2 method (DPC 2.0 alg) or
	 * maximum value for MIN_MAX method
	 */
	struct vpfe_ipipe_otfdpc_thr corr_thr;
};

struct vpfe_ipipe_otfdpc_3_0_cfg {
	/* DPC3.0 activity adj shf. activity = (max2-min2) >> (6 -shf)
	 */
	unsigned char act_adj_shf;
	/* DPC3.0 detection threshold, THR */
	unsigned short det_thr;
	/* DPC3.0 detection threshold slope, SLP */
	unsigned short det_slp;
	/* DPC3.0 detection threshold min, MIN */
	unsigned short det_thr_min;
	/* DPC3.0 detection threshold max, MAX */
	unsigned short det_thr_max;
	/* DPC3.0 correction threshold, THR */
	unsigned short corr_thr;
	/* DPC3.0 correction threshold slope, SLP */
	unsigned short corr_slp;
	/* DPC3.0 correction threshold min, MIN */
	unsigned short corr_thr_min;
	/* DPC3.0 correction threshold max, MAX */
	unsigned short corr_thr_max;
};

struct vpfe_ipipe_otfdpc {
	/* 0 - disable, 1 - enable */
	unsigned char en;
	/* defect detection method */
	enum vpfe_ipipe_otfdpc_det_meth det_method;
	/* Algorithm used. Applicable only when IPIPE_DPC_OTF_MIN_MAX2 is
	 * used
	 */
	enum vpfe_ipipe_otfdpc_alg alg;
	union {
		/* if alg is IPIPE_OTFDPC_2_0 */
		struct vpfe_ipipe_otfdpc_2_0_cfg dpc_2_0;
		/* if alg is IPIPE_OTFDPC_3_0 */
		struct vpfe_ipipe_otfdpc_3_0_cfg dpc_3_0;
	} alg_cfg;
};

/* Threshold values table size */
#define VPFE_IPIPE_NF_THR_TABLE_SIZE		8
/* Intensity values table size */
#define VPFE_IPIPE_NF_STR_TABLE_SIZE		8

/* NF, sampling method for green pixels */
enum vpfe_ipipe_nf_sampl_meth {
	/* Same as R or B */
	VPFE_IPIPE_NF_BOX,
	/* Diamond mode */
	VPFE_IPIPE_NF_DIAMOND
};

/* Structure for configuring NF module */
struct vpfe_ipipe_nf {
	/* 0 - disable, 1 - enable */
	unsigned char en;
	/* Sampling method for green pixels */
	enum vpfe_ipipe_nf_sampl_meth gr_sample_meth;
	/* Down shift value in LUT reference address
	 */
	unsigned char shft_val;
	/* Spread value in NF algorithm
	 */
	unsigned char spread_val;
	/* Apply LSC gain to threshold. Enable this only if
	 * LSC is enabled in ISIF
	 */
	unsigned char apply_lsc_gain;
	/* Threshold values table */
	unsigned short thr[VPFE_IPIPE_NF_THR_TABLE_SIZE];
	/* intensity values table */
	unsigned char str[VPFE_IPIPE_NF_STR_TABLE_SIZE];
	/* Edge detection minimum threshold */
	unsigned short edge_det_min_thr;
	/* Edge detection maximum threshold */
	unsigned short edge_det_max_thr;
};

enum vpfe_ipipe_gic_alg {
	VPFE_IPIPE_GIC_ALG_CONST_GAIN,
	VPFE_IPIPE_GIC_ALG_ADAPT_GAIN
};

enum vpfe_ipipe_gic_thr_sel {
	VPFE_IPIPE_GIC_THR_REG,
	VPFE_IPIPE_GIC_THR_NF
};

enum vpfe_ipipe_gic_wt_fn_type {
	/* Use difference as index */
	VPFE_IPIPE_GIC_WT_FN_TYP_DIF,
	/* Use weight function as index */
	VPFE_IPIPE_GIC_WT_FN_TYP_HP_VAL
};

/* structure for Green Imbalance Correction */
struct vpfe_ipipe_gic {
	/* 0 - disable, 1 - enable */
	unsigned char en;
	/* 0 - Constant gain , 1 - Adaptive gain algorithm */
	enum vpfe_ipipe_gic_alg gic_alg;
	/* GIC gain or weight. Used for Constant gain and Adaptive algorithms
	 */
	unsigned short gain;
	/* Threshold selection. GIC register values or NF2 thr table */
	enum vpfe_ipipe_gic_thr_sel thr_sel;
	/* thr1. Used when thr_sel is  IPIPE_GIC_THR_REG */
	unsigned short thr;
	/* this value is used for thr2-thr1, thr3-thr2 or
	 * thr4-thr3 when wt_fn_type is index. Otherwise it
	 * is the
	 */
	unsigned short slope;
	/* Apply LSC gain to threshold. Enable this only if
	 * LSC is enabled in ISIF & thr_sel is IPIPE_GIC_THR_REG
	 */
	unsigned char apply_lsc_gain;
	/* Multiply Nf2 threshold by this gain. Use this when thr_sel
	 * is IPIPE_GIC_THR_NF
	 */
	struct ipipe_float_u8 nf2_thr_gain;
	/* Weight function uses difference as index or high pass value.
	 * Used for adaptive gain algorithm
	 */
	enum vpfe_ipipe_gic_wt_fn_type wt_fn_type;
};

/* Structure for configuring WB module */
struct vpfe_ipipe_wb {
	/* Offset (S12) for R */
	short ofst_r;
	/* Offset (S12) for Gr */
	short ofst_gr;
	/* Offset (S12) for Gb */
	short ofst_gb;
	/* Offset (S12) for B */
	short ofst_b;
	/* Gain (U13Q9) for Red */
	struct ipipe_float_u16 gain_r;
	/* Gain (U13Q9) for Gr */
	struct ipipe_float_u16 gain_gr;
	/* Gain (U13Q9) for Gb */
	struct ipipe_float_u16 gain_gb;
	/* Gain (U13Q9) for Blue */
	struct ipipe_float_u16 gain_b;
};

enum vpfe_ipipe_cfa_alg {
	/* Algorithm is 2DirAC */
	VPFE_IPIPE_CFA_ALG_2DIRAC,
	/* Algorithm is 2DirAC + Digital Antialiasing (DAA) */
	VPFE_IPIPE_CFA_ALG_2DIRAC_DAA,
	/* Algorithm is DAA */
	VPFE_IPIPE_CFA_ALG_DAA
};

/* Structure for CFA Interpolation */
struct vpfe_ipipe_cfa {
	/* 2DirAC or 2DirAC + DAA */
	enum vpfe_ipipe_cfa_alg alg;
	/* 2Dir CFA HP value Low Threshold */
	unsigned short hpf_thr_2dir;
	/* 2Dir CFA HP value slope */
	unsigned short hpf_slp_2dir;
	/* 2Dir CFA HP mix threshold */
	unsigned short hp_mix_thr_2dir;
	/* 2Dir CFA HP mix slope */
	unsigned short hp_mix_slope_2dir;
	/* 2Dir Direction threshold */
	unsigned short dir_thr_2dir;
	/* 2Dir Direction slope */
	unsigned short dir_slope_2dir;
	/* 2Dir Non Directional Weight */
	unsigned short nd_wt_2dir;
	/* DAA Mono Hue Fraction */
	unsigned short hue_fract_daa;
	/* DAA Mono Edge threshold */
	unsigned short edge_thr_daa;
	/* DAA Mono threshold minimum */
	unsigned short thr_min_daa;
	/* DAA Mono threshold slope */
	unsigned short thr_slope_daa;
	/* DAA Mono slope minimum */
	unsigned short slope_min_daa;
	/* DAA Mono slope slope */
	unsigned short slope_slope_daa;
	/* DAA Mono LP wight */
	unsigned short lp_wt_daa;
};

/* Struct for configuring RGB2RGB blending module */
struct vpfe_ipipe_rgb2rgb {
	/* Matrix coefficient for RR S12Q8 for ID = 1 and S11Q8 for ID = 2 */
	struct ipipe_float_s16 coef_rr;
	/* Matrix coefficient for GR S12Q8/S11Q8 */
	struct ipipe_float_s16 coef_gr;
	/* Matrix coefficient for BR S12Q8/S11Q8 */
	struct ipipe_float_s16 coef_br;
	/* Matrix coefficient for RG S12Q8/S11Q8 */
	struct ipipe_float_s16 coef_rg;
	/* Matrix coefficient for GG S12Q8/S11Q8 */
	struct ipipe_float_s16 coef_gg;
	/* Matrix coefficient for BG S12Q8/S11Q8 */
	struct ipipe_float_s16 coef_bg;
	/* Matrix coefficient for RB S12Q8/S11Q8 */
	struct ipipe_float_s16 coef_rb;
	/* Matrix coefficient for GB S12Q8/S11Q8 */
	struct ipipe_float_s16 coef_gb;
	/* Matrix coefficient for BB S12Q8/S11Q8 */
	struct ipipe_float_s16 coef_bb;
	/* Output offset for R S13/S11 */
	int out_ofst_r;
	/* Output offset for G S13/S11 */
	int out_ofst_g;
	/* Output offset for B S13/S11 */
	int out_ofst_b;
};

#define VPFE_IPIPE_MAX_SIZE_GAMMA		512

enum vpfe_ipipe_gamma_tbl_size {
	VPFE_IPIPE_GAMMA_TBL_SZ_64 = 64,
	VPFE_IPIPE_GAMMA_TBL_SZ_128 = 128,
	VPFE_IPIPE_GAMMA_TBL_SZ_256 = 256,
	VPFE_IPIPE_GAMMA_TBL_SZ_512 = 512,
};

enum vpfe_ipipe_gamma_tbl_sel {
	VPFE_IPIPE_GAMMA_TBL_RAM = 0,
	VPFE_IPIPE_GAMMA_TBL_ROM = 1,
};

struct vpfe_ipipe_gamma_entry {
	/* 10 bit slope */
	short slope;
	/* 10 bit offset */
	unsigned short offset;
};

/* Structure for configuring Gamma correction module */
struct vpfe_ipipe_gamma {
	/* 0 - Enable Gamma correction for Red
	 * 1 - bypass Gamma correction. Data is divided by 16
	 */
	unsigned char bypass_r;
	/* 0 - Enable Gamma correction for Blue
	 * 1 - bypass Gamma correction. Data is divided by 16
	 */
	unsigned char bypass_b;
	/* 0 - Enable Gamma correction for Green
	 * 1 - bypass Gamma correction. Data is divided by 16
	 */
	unsigned char bypass_g;
	/* IPIPE_GAMMA_TBL_RAM or IPIPE_GAMMA_TBL_ROM */
	enum vpfe_ipipe_gamma_tbl_sel tbl_sel;
	/* Table size for RAM gamma table.
	 */
	enum vpfe_ipipe_gamma_tbl_size tbl_size;
	/* R table */
	struct vpfe_ipipe_gamma_entry table_r[VPFE_IPIPE_MAX_SIZE_GAMMA];
	/* Blue table */
	struct vpfe_ipipe_gamma_entry table_b[VPFE_IPIPE_MAX_SIZE_GAMMA];
	/* Green table */
	struct vpfe_ipipe_gamma_entry table_g[VPFE_IPIPE_MAX_SIZE_GAMMA];
};

#define VPFE_IPIPE_MAX_SIZE_3D_LUT		729

struct vpfe_ipipe_3d_lut_entry {
	/* 10 bit entry for red */
	unsigned short r;
	/* 10 bit entry for green */
	unsigned short g;
	/* 10 bit entry for blue */
	unsigned short b;
};

/* structure for 3D-LUT */
struct vpfe_ipipe_3d_lut {
	/* enable/disable 3D lut */
	unsigned char en;
	/* 3D - LUT table entry */
	struct vpfe_ipipe_3d_lut_entry table[VPFE_IPIPE_MAX_SIZE_3D_LUT];
};

/* Struct for configuring rgb2ycbcr module */
struct vpfe_ipipe_rgb2yuv {
	/* Matrix coefficient for RY S12Q8 */
	struct ipipe_float_s16 coef_ry;
	/* Matrix coefficient for GY S12Q8 */
	struct ipipe_float_s16 coef_gy;
	/* Matrix coefficient for BY S12Q8 */
	struct ipipe_float_s16 coef_by;
	/* Matrix coefficient for RCb S12Q8 */
	struct ipipe_float_s16 coef_rcb;
	/* Matrix coefficient for GCb S12Q8 */
	struct ipipe_float_s16 coef_gcb;
	/* Matrix coefficient for BCb S12Q8 */
	struct ipipe_float_s16 coef_bcb;
	/* Matrix coefficient for RCr S12Q8 */
	struct ipipe_float_s16 coef_rcr;
	/* Matrix coefficient for GCr S12Q8 */
	struct ipipe_float_s16 coef_gcr;
	/* Matrix coefficient for BCr S12Q8 */
	struct ipipe_float_s16 coef_bcr;
	/* Output offset for R S11 */
	int out_ofst_y;
	/* Output offset for Cb S11 */
	int out_ofst_cb;
	/* Output offset for Cr S11 */
	int out_ofst_cr;
};

enum vpfe_ipipe_gbce_type {
	VPFE_IPIPE_GBCE_Y_VAL_TBL = 0,
	VPFE_IPIPE_GBCE_GAIN_TBL = 1,
};

#define VPFE_IPIPE_MAX_SIZE_GBCE_LUT		1024

/* structure for Global brightness and Contrast */
struct vpfe_ipipe_gbce {
	/* enable/disable GBCE */
	unsigned char en;
	/* Y - value table or Gain table */
	enum vpfe_ipipe_gbce_type type;
	/* ptr to LUT for GBCE with 1024 entries */
	unsigned short table[VPFE_IPIPE_MAX_SIZE_GBCE_LUT];
};

/* Chrominance position. Applicable only for YCbCr input
 * Applied after edge enhancement
 */
enum vpfe_chr_pos {
	/* Co-siting, same position with luminance */
	VPFE_IPIPE_YUV422_CHR_POS_COSITE = 0,
	/* Centering, In the middle of luminance */
	VPFE_IPIPE_YUV422_CHR_POS_CENTRE = 1,
};

/* Structure for configuring yuv422 conversion module */
struct vpfe_ipipe_yuv422_conv {
	/* Max Chrominance value */
	unsigned char en_chrom_lpf;
	/* 1 - enable LPF for chrminance, 0 - disable */
	enum vpfe_chr_pos chrom_pos;
};

#define VPFE_IPIPE_MAX_SIZE_YEE_LUT		1024

enum vpfe_ipipe_yee_merge_meth {
	VPFE_IPIPE_YEE_ABS_MAX = 0,
	VPFE_IPIPE_YEE_EE_ES = 1,
};

/* Structure for configuring YUV Edge Enhancement module */
struct vpfe_ipipe_yee {
	/* 1 - enable enhancement, 0 - disable */
	unsigned char en;
	/* enable/disable halo reduction in edge sharpner */
	unsigned char en_halo_red;
	/* Merge method between Edge Enhancer and Edge sharpner */
	enum vpfe_ipipe_yee_merge_meth merge_meth;
	/* HPF Shift length */
	unsigned char hpf_shft;
	/* HPF Coefficient 00, S10 */
	short hpf_coef_00;
	/* HPF Coefficient 01, S10 */
	short hpf_coef_01;
	/* HPF Coefficient 02, S10 */
	short hpf_coef_02;
	/* HPF Coefficient 10, S10 */
	short hpf_coef_10;
	/* HPF Coefficient 11, S10 */
	short hpf_coef_11;
	/* HPF Coefficient 12, S10 */
	short hpf_coef_12;
	/* HPF Coefficient 20, S10 */
	short hpf_coef_20;
	/* HPF Coefficient 21, S10 */
	short hpf_coef_21;
	/* HPF Coefficient 22, S10 */
	short hpf_coef_22;
	/* Lower threshold before referring to LUT */
	unsigned short yee_thr;
	/* Edge sharpener Gain */
	unsigned short es_gain;
	/* Edge sharpener lower threshold */
	unsigned short es_thr1;
	/* Edge sharpener upper threshold */
	unsigned short es_thr2;
	/* Edge sharpener gain on gradient */
	unsigned short es_gain_grad;
	/* Edge sharpener offset on gradient */
	unsigned short es_ofst_grad;
	/* Ptr to EE table. Must have 1024 entries */
	short table[VPFE_IPIPE_MAX_SIZE_YEE_LUT];
};

enum vpfe_ipipe_car_meth {
	/* Chromatic Gain Control */
	VPFE_IPIPE_CAR_CHR_GAIN_CTRL = 0,
	/* Dynamic switching between CHR_GAIN_CTRL
	 * and MED_FLTR
	 */
	VPFE_IPIPE_CAR_DYN_SWITCH = 1,
	/* Median Filter */
	VPFE_IPIPE_CAR_MED_FLTR = 2,
};

enum vpfe_ipipe_car_hpf_type {
	VPFE_IPIPE_CAR_HPF_Y = 0,
	VPFE_IPIPE_CAR_HPF_H = 1,
	VPFE_IPIPE_CAR_HPF_V = 2,
	VPFE_IPIPE_CAR_HPF_2D = 3,
	/* 2D HPF from YUV Edge Enhancement */
	VPFE_IPIPE_CAR_HPF_2D_YEE = 4,
};

struct vpfe_ipipe_car_gain {
	/* csup_gain */
	unsigned char gain;
	/* csup_shf. */
	unsigned char shft;
	/* gain minimum */
	unsigned short gain_min;
};

/* Structure for Chromatic Artifact Reduction */
struct vpfe_ipipe_car {
	/* enable/disable */
	unsigned char en;
	/* Gain control or Dynamic switching */
	enum vpfe_ipipe_car_meth meth;
	/* Gain1 function configuration for Gain control */
	struct vpfe_ipipe_car_gain gain1;
	/* Gain2 function configuration for Gain control */
	struct vpfe_ipipe_car_gain gain2;
	/* HPF type used for CAR */
	enum vpfe_ipipe_car_hpf_type hpf;
	/* csup_thr: HPF threshold for Gain control */
	unsigned char hpf_thr;
	/* Down shift value for hpf. 2 bits */
	unsigned char hpf_shft;
	/* switch limit for median filter */
	unsigned char sw0;
	/* switch coefficient for Gain control */
	unsigned char sw1;
};

/* structure for Chromatic Gain Suppression */
struct vpfe_ipipe_cgs {
	/* enable/disable */
	unsigned char en;
	/* gain1 bright side threshold */
	unsigned char h_thr;
	/* gain1 bright side slope */
	unsigned char h_slope;
	/* gain1 down shift value for bright side */
	unsigned char h_shft;
	/* gain1 bright side minimum gain */
	unsigned char h_min;
};

/* Max pixels allowed in the input. If above this either decimation
 * or frame division mode to be enabled
 */
#define VPFE_IPIPE_MAX_INPUT_WIDTH	2600

struct vpfe_ipipe_input_config {
	unsigned int vst;
	unsigned int hst;
};

/**
 * struct vpfe_ipipe_config - IPIPE engine configuration (user)
 * @input_config: Pointer to structure for ipipe configuration.
 * @flag: Specifies which ISP IPIPE functions should be enabled.
 * @lutdpc: Pointer to luma enhancement structure.
 * @otfdpc: Pointer to structure for defect correction.
 * @nf1: Pointer to structure for Noise Filter.
 * @nf2: Pointer to structure for Noise Filter.
 * @gic: Pointer to structure for Green Imbalance.
 * @wbal: Pointer to structure for White Balance.
 * @cfa: Pointer to structure containing the CFA interpolation.
 * @rgb2rgb1: Pointer to structure for RGB to RGB Blending.
 * @rgb2rgb2: Pointer to structure for RGB to RGB Blending.
 * @gamma: Pointer to gamma structure.
 * @lut: Pointer to structure for 3D LUT.
 * @rgb2yuv: Pointer to structure for RGB-YCbCr conversion.
 * @gbce: Pointer to structure for Global Brightness,Contrast Control.
 * @yuv422_conv: Pointer to structure for YUV 422 conversion.
 * @yee: Pointer to structure for Edge Enhancer.
 * @car: Pointer to structure for Chromatic Artifact Reduction.
 * @cgs: Pointer to structure for Chromatic Gain Suppression.
 */
struct vpfe_ipipe_config {
	__u32 flag;
	struct vpfe_ipipe_input_config __user *input_config;
	struct vpfe_ipipe_lutdpc __user *lutdpc;
	struct vpfe_ipipe_otfdpc __user *otfdpc;
	struct vpfe_ipipe_nf __user *nf1;
	struct vpfe_ipipe_nf __user *nf2;
	struct vpfe_ipipe_gic __user *gic;
	struct vpfe_ipipe_wb __user *wbal;
	struct vpfe_ipipe_cfa __user *cfa;
	struct vpfe_ipipe_rgb2rgb __user *rgb2rgb1;
	struct vpfe_ipipe_rgb2rgb __user *rgb2rgb2;
	struct vpfe_ipipe_gamma __user *gamma;
	struct vpfe_ipipe_3d_lut __user *lut;
	struct vpfe_ipipe_rgb2yuv __user *rgb2yuv;
	struct vpfe_ipipe_gbce __user *gbce;
	struct vpfe_ipipe_yuv422_conv __user *yuv422_conv;
	struct vpfe_ipipe_yee __user *yee;
	struct vpfe_ipipe_car __user *car;
	struct vpfe_ipipe_cgs __user *cgs;
};

/*******************************************************************
 **  Resizer API structures
 *******************************************************************/
/* Interpolation types used for horizontal rescale */
enum vpfe_rsz_intp_t {
	VPFE_RSZ_INTP_CUBIC,
	VPFE_RSZ_INTP_LINEAR
};

/* Horizontal LPF intensity selection */
enum vpfe_rsz_h_lpf_lse_t {
	VPFE_RSZ_H_LPF_LSE_INTERN,
	VPFE_RSZ_H_LPF_LSE_USER_VAL
};

enum vpfe_rsz_down_scale_ave_sz {
	VPFE_IPIPE_DWN_SCALE_1_OVER_2,
	VPFE_IPIPE_DWN_SCALE_1_OVER_4,
	VPFE_IPIPE_DWN_SCALE_1_OVER_8,
	VPFE_IPIPE_DWN_SCALE_1_OVER_16,
	VPFE_IPIPE_DWN_SCALE_1_OVER_32,
	VPFE_IPIPE_DWN_SCALE_1_OVER_64,
	VPFE_IPIPE_DWN_SCALE_1_OVER_128,
	VPFE_IPIPE_DWN_SCALE_1_OVER_256
};

struct vpfe_rsz_output_spec {
	/* enable horizontal flip */
	unsigned char h_flip;
	/* enable vertical flip */
	unsigned char v_flip;
	/* line start offset for y. */
	unsigned int vst_y;
	/* line start offset for c. Only for 420 */
	unsigned int vst_c;
	/* vertical rescale interpolation type, YCbCr or Luminance */
	enum vpfe_rsz_intp_t v_typ_y;
	/* vertical rescale interpolation type for Chrominance */
	enum vpfe_rsz_intp_t v_typ_c;
	/* vertical lpf intensity - Luminance */
	unsigned char v_lpf_int_y;
	/* vertical lpf intensity - Chrominance */
	unsigned char v_lpf_int_c;
	/* horizontal rescale interpolation types, YCbCr or Luminance  */
	enum vpfe_rsz_intp_t h_typ_y;
	/* horizontal rescale interpolation types, Chrominance */
	enum vpfe_rsz_intp_t h_typ_c;
	/* horizontal lpf intensity - Luminance */
	unsigned char h_lpf_int_y;
	/* horizontal lpf intensity - Chrominance */
	unsigned char h_lpf_int_c;
	/* Use down scale mode for scale down */
	unsigned char en_down_scale;
	/* if downscale, set the downscale more average size for horizontal
	 * direction. Used only if output width and height is less than
	 * input sizes
	 */
	enum vpfe_rsz_down_scale_ave_sz h_dscale_ave_sz;
	/* if downscale, set the downscale more average size for vertical
	 * direction. Used only if output width and height is less than
	 * input sizes
	 */
	enum vpfe_rsz_down_scale_ave_sz v_dscale_ave_sz;
	/* Y offset. If set, the offset would be added to the base address
	 */
	unsigned int user_y_ofst;
	/* C offset. If set, the offset would be added to the base address
	 */
	unsigned int user_c_ofst;
};

struct vpfe_rsz_config_params {
	unsigned int vst;
	/* horizontal start position of the image
	 * data to IPIPE
	 */
	unsigned int hst;
	/* output spec of the image data coming out of resizer - 0(UYVY).
	 */
	struct vpfe_rsz_output_spec output1;
	/* output spec of the image data coming out of resizer - 1(UYVY).
	 */
	struct vpfe_rsz_output_spec output2;
	/* 0 , chroma sample at odd pixel, 1 - even pixel */
	unsigned char chroma_sample_even;
	unsigned char frame_div_mode_en;
	unsigned char yuv_y_min;
	unsigned char yuv_y_max;
	unsigned char yuv_c_min;
	unsigned char yuv_c_max;
	enum vpfe_chr_pos out_chr_pos;
	unsigned char bypass;
};

/* Structure for VIDIOC_VPFE_RSZ_[S/G]_CONFIG IOCTLs */
struct vpfe_rsz_config {
	struct vpfe_rsz_config_params *config;
};

#endif		/* _DAVINCI_VPFE_USER_H */