LXR linux/include/uapi/linux/omap3isp.h

   1/*
   2 * omap3isp.h
   3 *
   4 * TI OMAP3 ISP - User-space API
   5 *
   6 * Copyright (C) 2010 Nokia Corporation
   7 * Copyright (C) 2009 Texas Instruments, Inc.
   8 *
   9 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  10 *           Sakari Ailus <sakari.ailus@iki.fi>
  11 *
  12 * This program is free software; you can redistribute it and/or modify
  13 * it under the terms of the GNU General Public License version 2 as
  14 * published by the Free Software Foundation.
  15 *
  16 * This program is distributed in the hope that it will be useful, but
  17 * WITHOUT ANY WARRANTY; without even the implied warranty of
  18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19 * General Public License for more details.
  20 *
  21 * You should have received a copy of the GNU General Public License
  22 * along with this program; if not, write to the Free Software
  23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  24 * 02110-1301 USA
  25 */
  26
  27#ifndef OMAP3_ISP_USER_H
  28#define OMAP3_ISP_USER_H
  29
  30#include <linux/types.h>
  31#include <linux/videodev2.h>
  32
  33/*
  34 * Private IOCTLs
  35 *
  36 * VIDIOC_OMAP3ISP_CCDC_CFG: Set CCDC configuration
  37 * VIDIOC_OMAP3ISP_PRV_CFG: Set preview engine configuration
  38 * VIDIOC_OMAP3ISP_AEWB_CFG: Set AEWB module configuration
  39 * VIDIOC_OMAP3ISP_HIST_CFG: Set histogram module configuration
  40 * VIDIOC_OMAP3ISP_AF_CFG: Set auto-focus module configuration
  41 * VIDIOC_OMAP3ISP_STAT_REQ: Read statistics (AEWB/AF/histogram) data
  42 * VIDIOC_OMAP3ISP_STAT_EN: Enable/disable a statistics module
  43 */
  44
  45#define VIDIOC_OMAP3ISP_CCDC_CFG \
  46        _IOWR('V', BASE_VIDIOC_PRIVATE + 1, struct omap3isp_ccdc_update_config)
  47#define VIDIOC_OMAP3ISP_PRV_CFG \
  48        _IOWR('V', BASE_VIDIOC_PRIVATE + 2, struct omap3isp_prev_update_config)
  49#define VIDIOC_OMAP3ISP_AEWB_CFG \
  50        _IOWR('V', BASE_VIDIOC_PRIVATE + 3, struct omap3isp_h3a_aewb_config)
  51#define VIDIOC_OMAP3ISP_HIST_CFG \
  52        _IOWR('V', BASE_VIDIOC_PRIVATE + 4, struct omap3isp_hist_config)
  53#define VIDIOC_OMAP3ISP_AF_CFG \
  54        _IOWR('V', BASE_VIDIOC_PRIVATE + 5, struct omap3isp_h3a_af_config)
  55#define VIDIOC_OMAP3ISP_STAT_REQ \
  56        _IOWR('V', BASE_VIDIOC_PRIVATE + 6, struct omap3isp_stat_data)
  57#define VIDIOC_OMAP3ISP_STAT_EN \
  58        _IOWR('V', BASE_VIDIOC_PRIVATE + 7, unsigned long)
  59
  60/*
  61 * Events
  62 *
  63 * V4L2_EVENT_OMAP3ISP_AEWB: AEWB statistics data ready
  64 * V4L2_EVENT_OMAP3ISP_AF: AF statistics data ready
  65 * V4L2_EVENT_OMAP3ISP_HIST: Histogram statistics data ready
  66 */
  67
  68#define V4L2_EVENT_OMAP3ISP_CLASS       (V4L2_EVENT_PRIVATE_START | 0x100)
  69#define V4L2_EVENT_OMAP3ISP_AEWB        (V4L2_EVENT_OMAP3ISP_CLASS | 0x1)
  70#define V4L2_EVENT_OMAP3ISP_AF          (V4L2_EVENT_OMAP3ISP_CLASS | 0x2)
  71#define V4L2_EVENT_OMAP3ISP_HIST        (V4L2_EVENT_OMAP3ISP_CLASS | 0x3)
  72
  73struct omap3isp_stat_event_status {
  74        __u32 frame_number;
  75        __u16 config_counter;
  76        __u8 buf_err;
  77};
  78
  79/* AE/AWB related structures and flags*/
  80
  81/* H3A Range Constants */
  82#define OMAP3ISP_AEWB_MAX_SATURATION_LIM        1023
  83#define OMAP3ISP_AEWB_MIN_WIN_H                 2
  84#define OMAP3ISP_AEWB_MAX_WIN_H                 256
  85#define OMAP3ISP_AEWB_MIN_WIN_W                 6
  86#define OMAP3ISP_AEWB_MAX_WIN_W                 256
  87#define OMAP3ISP_AEWB_MIN_WINVC                 1
  88#define OMAP3ISP_AEWB_MIN_WINHC                 1
  89#define OMAP3ISP_AEWB_MAX_WINVC                 128
  90#define OMAP3ISP_AEWB_MAX_WINHC                 36
  91#define OMAP3ISP_AEWB_MAX_WINSTART              4095
  92#define OMAP3ISP_AEWB_MIN_SUB_INC               2
  93#define OMAP3ISP_AEWB_MAX_SUB_INC               32
  94#define OMAP3ISP_AEWB_MAX_BUF_SIZE              83600
  95
  96#define OMAP3ISP_AF_IIRSH_MIN                   0
  97#define OMAP3ISP_AF_IIRSH_MAX                   4095
  98#define OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MIN  1
  99#define OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MAX  36
 100#define OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MIN    1
 101#define OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MAX    128
 102#define OMAP3ISP_AF_PAXEL_INCREMENT_MIN         2
 103#define OMAP3ISP_AF_PAXEL_INCREMENT_MAX         32
 104#define OMAP3ISP_AF_PAXEL_HEIGHT_MIN            2
 105#define OMAP3ISP_AF_PAXEL_HEIGHT_MAX            256
 106#define OMAP3ISP_AF_PAXEL_WIDTH_MIN             16
 107#define OMAP3ISP_AF_PAXEL_WIDTH_MAX             256
 108#define OMAP3ISP_AF_PAXEL_HZSTART_MIN           1
 109#define OMAP3ISP_AF_PAXEL_HZSTART_MAX           4095
 110#define OMAP3ISP_AF_PAXEL_VTSTART_MIN           0
 111#define OMAP3ISP_AF_PAXEL_VTSTART_MAX           4095
 112#define OMAP3ISP_AF_THRESHOLD_MAX               255
 113#define OMAP3ISP_AF_COEF_MAX                    4095
 114#define OMAP3ISP_AF_PAXEL_SIZE                  48
 115#define OMAP3ISP_AF_MAX_BUF_SIZE                221184
 116
 117/**
 118 * struct omap3isp_h3a_aewb_config - AE AWB configuration reset values
 119 * saturation_limit: Saturation limit.
 120 * @win_height: Window Height. Range 2 - 256, even values only.
 121 * @win_width: Window Width. Range 6 - 256, even values only.
 122 * @ver_win_count: Vertical Window Count. Range 1 - 128.
 123 * @hor_win_count: Horizontal Window Count. Range 1 - 36.
 124 * @ver_win_start: Vertical Window Start. Range 0 - 4095.
 125 * @hor_win_start: Horizontal Window Start. Range 0 - 4095.
 126 * @blk_ver_win_start: Black Vertical Windows Start. Range 0 - 4095.
 127 * @blk_win_height: Black Window Height. Range 2 - 256, even values only.
 128 * @subsample_ver_inc: Subsample Vertical points increment Range 2 - 32, even
 129 *                     values only.
 130 * @subsample_hor_inc: Subsample Horizontal points increment Range 2 - 32, even
 131 *                     values only.
 132 * @alaw_enable: AEW ALAW EN flag.
 133 */
 134struct omap3isp_h3a_aewb_config {
 135        /*
 136         * Common fields.
 137         * They should be the first ones and must be in the same order as in
 138         * ispstat_generic_config struct.
 139         */
 140        __u32 buf_size;
 141        __u16 config_counter;
 142
 143        /* Private fields */
 144        __u16 saturation_limit;
 145        __u16 win_height;
 146        __u16 win_width;
 147        __u16 ver_win_count;
 148        __u16 hor_win_count;
 149        __u16 ver_win_start;
 150        __u16 hor_win_start;
 151        __u16 blk_ver_win_start;
 152        __u16 blk_win_height;
 153        __u16 subsample_ver_inc;
 154        __u16 subsample_hor_inc;
 155        __u8 alaw_enable;
 156};
 157
 158/**
 159 * struct omap3isp_stat_data - Statistic data sent to or received from user
 160 * @ts: Timestamp of returned framestats.
 161 * @buf: Pointer to pass to user.
 162 * @frame_number: Frame number of requested stats.
 163 * @cur_frame: Current frame number being processed.
 164 * @config_counter: Number of the configuration associated with the data.
 165 */
 166struct omap3isp_stat_data {
 167        struct timeval ts;
 168        void __user *buf;
 169        __u32 buf_size;
 170        __u16 frame_number;
 171        __u16 cur_frame;
 172        __u16 config_counter;
 173};
 174
 175
 176/* Histogram related structs */
 177
 178/* Flags for number of bins */
 179#define OMAP3ISP_HIST_BINS_32           0
 180#define OMAP3ISP_HIST_BINS_64           1
 181#define OMAP3ISP_HIST_BINS_128          2
 182#define OMAP3ISP_HIST_BINS_256          3
 183
 184/* Number of bins * 4 colors * 4-bytes word */
 185#define OMAP3ISP_HIST_MEM_SIZE_BINS(n)  ((1 << ((n)+5))*4*4)
 186
 187#define OMAP3ISP_HIST_MEM_SIZE          1024
 188#define OMAP3ISP_HIST_MIN_REGIONS       1
 189#define OMAP3ISP_HIST_MAX_REGIONS       4
 190#define OMAP3ISP_HIST_MAX_WB_GAIN       255
 191#define OMAP3ISP_HIST_MIN_WB_GAIN       0
 192#define OMAP3ISP_HIST_MAX_BIT_WIDTH     14
 193#define OMAP3ISP_HIST_MIN_BIT_WIDTH     8
 194#define OMAP3ISP_HIST_MAX_WG            4
 195#define OMAP3ISP_HIST_MAX_BUF_SIZE      4096
 196
 197/* Source */
 198#define OMAP3ISP_HIST_SOURCE_CCDC       0
 199#define OMAP3ISP_HIST_SOURCE_MEM        1
 200
 201/* CFA pattern */
 202#define OMAP3ISP_HIST_CFA_BAYER         0
 203#define OMAP3ISP_HIST_CFA_FOVEONX3      1
 204
 205struct omap3isp_hist_region {
 206        __u16 h_start;
 207        __u16 h_end;
 208        __u16 v_start;
 209        __u16 v_end;
 210};
 211
 212struct omap3isp_hist_config {
 213        /*
 214         * Common fields.
 215         * They should be the first ones and must be in the same order as in
 216         * ispstat_generic_config struct.
 217         */
 218        __u32 buf_size;
 219        __u16 config_counter;
 220
 221        __u8 num_acc_frames;    /* Num of image frames to be processed and
 222                                   accumulated for each histogram frame */
 223        __u16 hist_bins;        /* number of bins: 32, 64, 128, or 256 */
 224        __u8 cfa;               /* BAYER or FOVEON X3 */
 225        __u8 wg[OMAP3ISP_HIST_MAX_WG];  /* White Balance Gain */
 226        __u8 num_regions;       /* number of regions to be configured */
 227        struct omap3isp_hist_region region[OMAP3ISP_HIST_MAX_REGIONS];
 228};
 229
 230/* Auto Focus related structs */
 231
 232#define OMAP3ISP_AF_NUM_COEF            11
 233
 234enum omap3isp_h3a_af_fvmode {
 235        OMAP3ISP_AF_MODE_SUMMED = 0,
 236        OMAP3ISP_AF_MODE_PEAK = 1
 237};
 238
 239/* Red, Green, and blue pixel location in the AF windows */
 240enum omap3isp_h3a_af_rgbpos {
 241        OMAP3ISP_AF_GR_GB_BAYER = 0,    /* GR and GB as Bayer pattern */
 242        OMAP3ISP_AF_RG_GB_BAYER = 1,    /* RG and GB as Bayer pattern */
 243        OMAP3ISP_AF_GR_BG_BAYER = 2,    /* GR and BG as Bayer pattern */
 244        OMAP3ISP_AF_RG_BG_BAYER = 3,    /* RG and BG as Bayer pattern */
 245        OMAP3ISP_AF_GG_RB_CUSTOM = 4,   /* GG and RB as custom pattern */
 246        OMAP3ISP_AF_RB_GG_CUSTOM = 5    /* RB and GG as custom pattern */
 247};
 248
 249/* Contains the information regarding the Horizontal Median Filter */
 250struct omap3isp_h3a_af_hmf {
 251        __u8 enable;    /* Status of Horizontal Median Filter */
 252        __u8 threshold; /* Threshold Value for Horizontal Median Filter */
 253};
 254
 255/* Contains the information regarding the IIR Filters */
 256struct omap3isp_h3a_af_iir {
 257        __u16 h_start;                  /* IIR horizontal start */
 258        __u16 coeff_set0[OMAP3ISP_AF_NUM_COEF]; /* Filter coefficient, set 0 */
 259        __u16 coeff_set1[OMAP3ISP_AF_NUM_COEF]; /* Filter coefficient, set 1 */
 260};
 261
 262/* Contains the information regarding the Paxels Structure in AF Engine */
 263struct omap3isp_h3a_af_paxel {
 264        __u16 h_start;  /* Horizontal Start Position */
 265        __u16 v_start;  /* Vertical Start Position */
 266        __u8 width;     /* Width of the Paxel */
 267        __u8 height;    /* Height of the Paxel */
 268        __u8 h_cnt;     /* Horizontal Count */
 269        __u8 v_cnt;     /* vertical Count */
 270        __u8 line_inc;  /* Line Increment */
 271};
 272
 273/* Contains the parameters required for hardware set up of AF Engine */
 274struct omap3isp_h3a_af_config {
 275        /*
 276         * Common fields.
 277         * They should be the first ones and must be in the same order as in
 278         * ispstat_generic_config struct.
 279         */
 280        __u32 buf_size;
 281        __u16 config_counter;
 282
 283        struct omap3isp_h3a_af_hmf hmf;         /* HMF configurations */
 284        struct omap3isp_h3a_af_iir iir;         /* IIR filter configurations */
 285        struct omap3isp_h3a_af_paxel paxel;     /* Paxel parameters */
 286        enum omap3isp_h3a_af_rgbpos rgb_pos;    /* RGB Positions */
 287        enum omap3isp_h3a_af_fvmode fvmode;     /* Accumulator mode */
 288        __u8 alaw_enable;                       /* AF ALAW status */
 289};
 290
 291/* ISP CCDC structs */
 292
 293/* Abstraction layer CCDC configurations */
 294#define OMAP3ISP_CCDC_ALAW              (1 << 0)
 295#define OMAP3ISP_CCDC_LPF               (1 << 1)
 296#define OMAP3ISP_CCDC_BLCLAMP           (1 << 2)
 297#define OMAP3ISP_CCDC_BCOMP             (1 << 3)
 298#define OMAP3ISP_CCDC_FPC               (1 << 4)
 299#define OMAP3ISP_CCDC_CULL              (1 << 5)
 300#define OMAP3ISP_CCDC_CONFIG_LSC        (1 << 7)
 301#define OMAP3ISP_CCDC_TBL_LSC           (1 << 8)
 302
 303#define OMAP3ISP_RGB_MAX                3
 304
 305/* Enumeration constants for Alaw input width */
 306enum omap3isp_alaw_ipwidth {
 307        OMAP3ISP_ALAW_BIT12_3 = 0x3,
 308        OMAP3ISP_ALAW_BIT11_2 = 0x4,
 309        OMAP3ISP_ALAW_BIT10_1 = 0x5,
 310        OMAP3ISP_ALAW_BIT9_0 = 0x6
 311};
 312
 313/**
 314 * struct omap3isp_ccdc_lsc_config - LSC configuration
 315 * @offset: Table Offset of the gain table.
 316 * @gain_mode_n: Vertical dimension of a paxel in LSC configuration.
 317 * @gain_mode_m: Horizontal dimension of a paxel in LSC configuration.
 318 * @gain_format: Gain table format.
 319 * @fmtsph: Start pixel horizontal from start of the HS sync pulse.
 320 * @fmtlnh: Number of pixels in horizontal direction to use for the data
 321 *          reformatter.
 322 * @fmtslv: Start line from start of VS sync pulse for the data reformatter.
 323 * @fmtlnv: Number of lines in vertical direction for the data reformatter.
 324 * @initial_x: X position, in pixels, of the first active pixel in reference
 325 *             to the first active paxel. Must be an even number.
 326 * @initial_y: Y position, in pixels, of the first active pixel in reference
 327 *             to the first active paxel. Must be an even number.
 328 * @size: Size of LSC gain table. Filled when loaded from userspace.
 329 */
 330struct omap3isp_ccdc_lsc_config {
 331        __u16 offset;
 332        __u8 gain_mode_n;
 333        __u8 gain_mode_m;
 334        __u8 gain_format;
 335        __u16 fmtsph;
 336        __u16 fmtlnh;
 337        __u16 fmtslv;
 338        __u16 fmtlnv;
 339        __u8 initial_x;
 340        __u8 initial_y;
 341        __u32 size;
 342};
 343
 344/**
 345 * struct omap3isp_ccdc_bclamp - Optical & Digital black clamp subtract
 346 * @obgain: Optical black average gain.
 347 * @obstpixel: Start Pixel w.r.t. HS pulse in Optical black sample.
 348 * @oblines: Optical Black Sample lines.
 349 * @oblen: Optical Black Sample Length.
 350 * @dcsubval: Digital Black Clamp subtract value.
 351 */
 352struct omap3isp_ccdc_bclamp {
 353        __u8 obgain;
 354        __u8 obstpixel;
 355        __u8 oblines;
 356        __u8 oblen;
 357        __u16 dcsubval;
 358};
 359
 360/**
 361 * struct omap3isp_ccdc_fpc - Faulty Pixels Correction
 362 * @fpnum: Number of faulty pixels to be corrected in the frame.
 363 * @fpcaddr: Memory address of the FPC Table
 364 */
 365struct omap3isp_ccdc_fpc {
 366        __u16 fpnum;
 367        __u32 fpcaddr;
 368};
 369
 370/**
 371 * struct omap3isp_ccdc_blcomp - Black Level Compensation parameters
 372 * @b_mg: B/Mg pixels. 2's complement. -128 to +127.
 373 * @gb_g: Gb/G pixels. 2's complement. -128 to +127.
 374 * @gr_cy: Gr/Cy pixels. 2's complement. -128 to +127.
 375 * @r_ye: R/Ye pixels. 2's complement. -128 to +127.
 376 */
 377struct omap3isp_ccdc_blcomp {
 378        __u8 b_mg;
 379        __u8 gb_g;
 380        __u8 gr_cy;
 381        __u8 r_ye;
 382};
 383
 384/**
 385 * omap3isp_ccdc_culling - Culling parameters
 386 * @v_pattern: Vertical culling pattern.
 387 * @h_odd: Horizontal Culling pattern for odd lines.
 388 * @h_even: Horizontal Culling pattern for even lines.
 389 */
 390struct omap3isp_ccdc_culling {
 391        __u8 v_pattern;
 392        __u16 h_odd;
 393        __u16 h_even;
 394};
 395
 396/**
 397 * omap3isp_ccdc_update_config - CCDC configuration
 398 * @update: Specifies which CCDC registers should be updated.
 399 * @flag: Specifies which CCDC functions should be enabled.
 400 * @alawip: Enable/Disable A-Law compression.
 401 * @bclamp: Black clamp control register.
 402 * @blcomp: Black level compensation value for RGrGbB Pixels. 2's complement.
 403 * @fpc: Number of faulty pixels corrected in the frame, address of FPC table.
 404 * @cull: Cull control register.
 405 * @lsc: Pointer to LSC gain table.
 406 */
 407struct omap3isp_ccdc_update_config {
 408        __u16 update;
 409        __u16 flag;
 410        enum omap3isp_alaw_ipwidth alawip;
 411        struct omap3isp_ccdc_bclamp __user *bclamp;
 412        struct omap3isp_ccdc_blcomp __user *blcomp;
 413        struct omap3isp_ccdc_fpc __user *fpc;
 414        struct omap3isp_ccdc_lsc_config __user *lsc_cfg;
 415        struct omap3isp_ccdc_culling __user *cull;
 416        __u8 __user *lsc;
 417};
 418
 419/* Preview configurations */
 420#define OMAP3ISP_PREV_LUMAENH           (1 << 0)
 421#define OMAP3ISP_PREV_INVALAW           (1 << 1)
 422#define OMAP3ISP_PREV_HRZ_MED           (1 << 2)
 423#define OMAP3ISP_PREV_CFA               (1 << 3)
 424#define OMAP3ISP_PREV_CHROMA_SUPP       (1 << 4)
 425#define OMAP3ISP_PREV_WB                (1 << 5)
 426#define OMAP3ISP_PREV_BLKADJ            (1 << 6)
 427#define OMAP3ISP_PREV_RGB2RGB           (1 << 7)
 428#define OMAP3ISP_PREV_COLOR_CONV        (1 << 8)
 429#define OMAP3ISP_PREV_YC_LIMIT          (1 << 9)
 430#define OMAP3ISP_PREV_DEFECT_COR        (1 << 10)
 431/* Bit 11 was OMAP3ISP_PREV_GAMMABYPASS, now merged with OMAP3ISP_PREV_GAMMA */
 432#define OMAP3ISP_PREV_DRK_FRM_CAPTURE   (1 << 12)
 433#define OMAP3ISP_PREV_DRK_FRM_SUBTRACT  (1 << 13)
 434#define OMAP3ISP_PREV_LENS_SHADING      (1 << 14)
 435#define OMAP3ISP_PREV_NF                (1 << 15)
 436#define OMAP3ISP_PREV_GAMMA             (1 << 16)
 437
 438#define OMAP3ISP_PREV_NF_TBL_SIZE       64
 439#define OMAP3ISP_PREV_CFA_TBL_SIZE      576
 440#define OMAP3ISP_PREV_CFA_BLK_SIZE      (OMAP3ISP_PREV_CFA_TBL_SIZE / 4)
 441#define OMAP3ISP_PREV_GAMMA_TBL_SIZE    1024
 442#define OMAP3ISP_PREV_YENH_TBL_SIZE     128
 443
 444#define OMAP3ISP_PREV_DETECT_CORRECT_CHANNELS   4
 445
 446/**
 447 * struct omap3isp_prev_hmed - Horizontal Median Filter
 448 * @odddist: Distance between consecutive pixels of same color in the odd line.
 449 * @evendist: Distance between consecutive pixels of same color in the even
 450 *            line.
 451 * @thres: Horizontal median filter threshold.
 452 */
 453struct omap3isp_prev_hmed {
 454        __u8 odddist;
 455        __u8 evendist;
 456        __u8 thres;
 457};
 458
 459/*
 460 * Enumeration for CFA Formats supported by preview
 461 */
 462enum omap3isp_cfa_fmt {
 463        OMAP3ISP_CFAFMT_BAYER,
 464        OMAP3ISP_CFAFMT_SONYVGA,
 465        OMAP3ISP_CFAFMT_RGBFOVEON,
 466        OMAP3ISP_CFAFMT_DNSPL,
 467        OMAP3ISP_CFAFMT_HONEYCOMB,
 468        OMAP3ISP_CFAFMT_RRGGBBFOVEON
 469};
 470
 471/**
 472 * struct omap3isp_prev_cfa - CFA Interpolation
 473 * @format: CFA Format Enum value supported by preview.
 474 * @gradthrs_vert: CFA Gradient Threshold - Vertical.
 475 * @gradthrs_horz: CFA Gradient Threshold - Horizontal.
 476 * @table: Pointer to the CFA table.
 477 */
 478struct omap3isp_prev_cfa {
 479        enum omap3isp_cfa_fmt format;
 480        __u8 gradthrs_vert;
 481        __u8 gradthrs_horz;
 482        __u32 table[4][OMAP3ISP_PREV_CFA_BLK_SIZE];
 483};
 484
 485/**
 486 * struct omap3isp_prev_csup - Chrominance Suppression
 487 * @gain: Gain.
 488 * @thres: Threshold.
 489 * @hypf_en: Flag to enable/disable the High Pass Filter.
 490 */
 491struct omap3isp_prev_csup {
 492        __u8 gain;
 493        __u8 thres;
 494        __u8 hypf_en;
 495};
 496
 497/**
 498 * struct omap3isp_prev_wbal - White Balance
 499 * @dgain: Digital gain (U10Q8).
 500 * @coef3: White balance gain - COEF 3 (U8Q5).
 501 * @coef2: White balance gain - COEF 2 (U8Q5).
 502 * @coef1: White balance gain - COEF 1 (U8Q5).
 503 * @coef0: White balance gain - COEF 0 (U8Q5).
 504 */
 505struct omap3isp_prev_wbal {
 506        __u16 dgain;
 507        __u8 coef3;
 508        __u8 coef2;
 509        __u8 coef1;
 510        __u8 coef0;
 511};
 512
 513/**
 514 * struct omap3isp_prev_blkadj - Black Level Adjustment
 515 * @red: Black level offset adjustment for Red in 2's complement format
 516 * @green: Black level offset adjustment for Green in 2's complement format
 517 * @blue: Black level offset adjustment for Blue in 2's complement format
 518 */
 519struct omap3isp_prev_blkadj {
 520        /*Black level offset adjustment for Red in 2's complement format */
 521        __u8 red;
 522        /*Black level offset adjustment for Green in 2's complement format */
 523        __u8 green;
 524        /* Black level offset adjustment for Blue in 2's complement format */
 525        __u8 blue;
 526};
 527
 528/**
 529 * struct omap3isp_prev_rgbtorgb - RGB to RGB Blending
 530 * @matrix: Blending values(S12Q8 format)
 531 *              [RR] [GR] [BR]
 532 *              [RG] [GG] [BG]
 533 *              [RB] [GB] [BB]
 534 * @offset: Blending offset value for R,G,B in 2's complement integer format.
 535 */
 536struct omap3isp_prev_rgbtorgb {
 537        __u16 matrix[OMAP3ISP_RGB_MAX][OMAP3ISP_RGB_MAX];
 538        __u16 offset[OMAP3ISP_RGB_MAX];
 539};
 540
 541/**
 542 * struct omap3isp_prev_csc - Color Space Conversion from RGB-YCbYCr
 543 * @matrix: Color space conversion coefficients(S10Q8)
 544 *              [CSCRY]  [CSCGY]  [CSCBY]
 545 *              [CSCRCB] [CSCGCB] [CSCBCB]
 546 *              [CSCRCR] [CSCGCR] [CSCBCR]
 547 * @offset: CSC offset values for Y offset, CB offset and CR offset respectively
 548 */
 549struct omap3isp_prev_csc {
 550        __u16 matrix[OMAP3ISP_RGB_MAX][OMAP3ISP_RGB_MAX];
 551        __s16 offset[OMAP3ISP_RGB_MAX];
 552};
 553
 554/**
 555 * struct omap3isp_prev_yclimit - Y, C Value Limit
 556 * @minC: Minimum C value
 557 * @maxC: Maximum C value
 558 * @minY: Minimum Y value
 559 * @maxY: Maximum Y value
 560 */
 561struct omap3isp_prev_yclimit {
 562        __u8 minC;
 563        __u8 maxC;
 564        __u8 minY;
 565        __u8 maxY;
 566};
 567
 568/**
 569 * struct omap3isp_prev_dcor - Defect correction
 570 * @couplet_mode_en: Flag to enable or disable the couplet dc Correction in NF
 571 * @detect_correct: Thresholds for correction bit 0:10 detect 16:25 correct
 572 */
 573struct omap3isp_prev_dcor {
 574        __u8 couplet_mode_en;
 575        __u32 detect_correct[OMAP3ISP_PREV_DETECT_CORRECT_CHANNELS];
 576};
 577
 578/**
 579 * struct omap3isp_prev_nf - Noise Filter
 580 * @spread: Spread value to be used in Noise Filter
 581 * @table: Pointer to the Noise Filter table
 582 */
 583struct omap3isp_prev_nf {
 584        __u8 spread;
 585        __u32 table[OMAP3ISP_PREV_NF_TBL_SIZE];
 586};
 587
 588/**
 589 * struct omap3isp_prev_gtables - Gamma correction tables
 590 * @red: Array for red gamma table.
 591 * @green: Array for green gamma table.
 592 * @blue: Array for blue gamma table.
 593 */
 594struct omap3isp_prev_gtables {
 595        __u32 red[OMAP3ISP_PREV_GAMMA_TBL_SIZE];
 596        __u32 green[OMAP3ISP_PREV_GAMMA_TBL_SIZE];
 597        __u32 blue[OMAP3ISP_PREV_GAMMA_TBL_SIZE];
 598};
 599
 600/**
 601 * struct omap3isp_prev_luma - Luma enhancement
 602 * @table: Array for luma enhancement table.
 603 */
 604struct omap3isp_prev_luma {
 605        __u32 table[OMAP3ISP_PREV_YENH_TBL_SIZE];
 606};
 607
 608/**
 609 * struct omap3isp_prev_update_config - Preview engine configuration (user)
 610 * @update: Specifies which ISP Preview registers should be updated.
 611 * @flag: Specifies which ISP Preview functions should be enabled.
 612 * @shading_shift: 3bit value of shift used in shading compensation.
 613 * @luma: Pointer to luma enhancement structure.
 614 * @hmed: Pointer to structure containing the odd and even distance.
 615 *        between the pixels in the image along with the filter threshold.
 616 * @cfa: Pointer to structure containing the CFA interpolation table, CFA.
 617 *       format in the image, vertical and horizontal gradient threshold.
 618 * @csup: Pointer to Structure for Chrominance Suppression coefficients.
 619 * @wbal: Pointer to structure for White Balance.
 620 * @blkadj: Pointer to structure for Black Adjustment.
 621 * @rgb2rgb: Pointer to structure for RGB to RGB Blending.
 622 * @csc: Pointer to structure for Color Space Conversion from RGB-YCbYCr.
 623 * @yclimit: Pointer to structure for Y, C Value Limit.
 624 * @dcor: Pointer to structure for defect correction.
 625 * @nf: Pointer to structure for Noise Filter
 626 * @gamma: Pointer to gamma structure.
 627 */
 628struct omap3isp_prev_update_config {
 629        __u32 update;
 630        __u32 flag;
 631        __u32 shading_shift;
 632        struct omap3isp_prev_luma __user *luma;
 633        struct omap3isp_prev_hmed __user *hmed;
 634        struct omap3isp_prev_cfa __user *cfa;
 635        struct omap3isp_prev_csup __user *csup;
 636        struct omap3isp_prev_wbal __user *wbal;
 637        struct omap3isp_prev_blkadj __user *blkadj;
 638        struct omap3isp_prev_rgbtorgb __user *rgb2rgb;
 639        struct omap3isp_prev_csc __user *csc;
 640        struct omap3isp_prev_yclimit __user *yclimit;
 641        struct omap3isp_prev_dcor __user *dcor;
 642        struct omap3isp_prev_nf __user *nf;
 643        struct omap3isp_prev_gtables __user *gamma;
 644};
 645
 646#endif  /* OMAP3_ISP_USER_H */
 647