1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2/* 3 * omap3isp.h 4 * 5 * TI OMAP3 ISP - User-space API 6 * 7 * Copyright (C) 2010 Nokia Corporation 8 * Copyright (C) 2009 Texas Instruments, Inc. 9 * 10 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> 11 * Sakari Ailus <sakari.ailus@iki.fi> 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License version 2 as 15 * published by the Free Software Foundation. 16 * 17 * This program is distributed in the hope that it will be useful, but 18 * WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 * General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 25 * 02110-1301 USA 26 */ 27 28#ifndef OMAP3_ISP_USER_H 29#define OMAP3_ISP_USER_H 30 31#include <linux/types.h> 32#include <linux/videodev2.h> 33 34/* 35 * Private IOCTLs 36 * 37 * VIDIOC_OMAP3ISP_CCDC_CFG: Set CCDC configuration 38 * VIDIOC_OMAP3ISP_PRV_CFG: Set preview engine configuration 39 * VIDIOC_OMAP3ISP_AEWB_CFG: Set AEWB module configuration 40 * VIDIOC_OMAP3ISP_HIST_CFG: Set histogram module configuration 41 * VIDIOC_OMAP3ISP_AF_CFG: Set auto-focus module configuration 42 * VIDIOC_OMAP3ISP_STAT_REQ: Read statistics (AEWB/AF/histogram) data 43 * VIDIOC_OMAP3ISP_STAT_EN: Enable/disable a statistics module 44 */ 45 46#define VIDIOC_OMAP3ISP_CCDC_CFG \ 47 _IOWR('V', BASE_VIDIOC_PRIVATE + 1, struct omap3isp_ccdc_update_config) 48#define VIDIOC_OMAP3ISP_PRV_CFG \ 49 _IOWR('V', BASE_VIDIOC_PRIVATE + 2, struct omap3isp_prev_update_config) 50#define VIDIOC_OMAP3ISP_AEWB_CFG \ 51 _IOWR('V', BASE_VIDIOC_PRIVATE + 3, struct omap3isp_h3a_aewb_config) 52#define VIDIOC_OMAP3ISP_HIST_CFG \ 53 _IOWR('V', BASE_VIDIOC_PRIVATE + 4, struct omap3isp_hist_config) 54#define VIDIOC_OMAP3ISP_AF_CFG \ 55 _IOWR('V', BASE_VIDIOC_PRIVATE + 5, struct omap3isp_h3a_af_config) 56#define VIDIOC_OMAP3ISP_STAT_REQ \ 57 _IOWR('V', BASE_VIDIOC_PRIVATE + 6, struct omap3isp_stat_data) 58#define VIDIOC_OMAP3ISP_STAT_REQ_TIME32 \ 59 _IOWR('V', BASE_VIDIOC_PRIVATE + 6, struct omap3isp_stat_data_time32) 60#define VIDIOC_OMAP3ISP_STAT_EN \ 61 _IOWR('V', BASE_VIDIOC_PRIVATE + 7, unsigned long) 62 63/* 64 * Events 65 * 66 * V4L2_EVENT_OMAP3ISP_AEWB: AEWB statistics data ready 67 * V4L2_EVENT_OMAP3ISP_AF: AF statistics data ready 68 * V4L2_EVENT_OMAP3ISP_HIST: Histogram statistics data ready 69 */ 70 71#define V4L2_EVENT_OMAP3ISP_CLASS (V4L2_EVENT_PRIVATE_START | 0x100) 72#define V4L2_EVENT_OMAP3ISP_AEWB (V4L2_EVENT_OMAP3ISP_CLASS | 0x1) 73#define V4L2_EVENT_OMAP3ISP_AF (V4L2_EVENT_OMAP3ISP_CLASS | 0x2) 74#define V4L2_EVENT_OMAP3ISP_HIST (V4L2_EVENT_OMAP3ISP_CLASS | 0x3) 75 76struct omap3isp_stat_event_status { 77 __u32 frame_number; 78 __u16 config_counter; 79 __u8 buf_err; 80}; 81 82/* AE/AWB related structures and flags*/ 83 84/* H3A Range Constants */ 85#define OMAP3ISP_AEWB_MAX_SATURATION_LIM 1023 86#define OMAP3ISP_AEWB_MIN_WIN_H 2 87#define OMAP3ISP_AEWB_MAX_WIN_H 256 88#define OMAP3ISP_AEWB_MIN_WIN_W 6 89#define OMAP3ISP_AEWB_MAX_WIN_W 256 90#define OMAP3ISP_AEWB_MIN_WINVC 1 91#define OMAP3ISP_AEWB_MIN_WINHC 1 92#define OMAP3ISP_AEWB_MAX_WINVC 128 93#define OMAP3ISP_AEWB_MAX_WINHC 36 94#define OMAP3ISP_AEWB_MAX_WINSTART 4095 95#define OMAP3ISP_AEWB_MIN_SUB_INC 2 96#define OMAP3ISP_AEWB_MAX_SUB_INC 32 97#define OMAP3ISP_AEWB_MAX_BUF_SIZE 83600 98 99#define OMAP3ISP_AF_IIRSH_MIN 0 100#define OMAP3ISP_AF_IIRSH_MAX 4095 101#define OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MIN 1 102#define OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MAX 36 103#define OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MIN 1 104#define OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MAX 128 105#define OMAP3ISP_AF_PAXEL_INCREMENT_MIN 2 106#define OMAP3ISP_AF_PAXEL_INCREMENT_MAX 32 107#define OMAP3ISP_AF_PAXEL_HEIGHT_MIN 2 108#define OMAP3ISP_AF_PAXEL_HEIGHT_MAX 256 109#define OMAP3ISP_AF_PAXEL_WIDTH_MIN 16 110#define OMAP3ISP_AF_PAXEL_WIDTH_MAX 256 111#define OMAP3ISP_AF_PAXEL_HZSTART_MIN 1 112#define OMAP3ISP_AF_PAXEL_HZSTART_MAX 4095 113#define OMAP3ISP_AF_PAXEL_VTSTART_MIN 0 114#define OMAP3ISP_AF_PAXEL_VTSTART_MAX 4095 115#define OMAP3ISP_AF_THRESHOLD_MAX 255 116#define OMAP3ISP_AF_COEF_MAX 4095 117#define OMAP3ISP_AF_PAXEL_SIZE 48 118#define OMAP3ISP_AF_MAX_BUF_SIZE 221184 119 120/** 121 * struct omap3isp_h3a_aewb_config - AE AWB configuration reset values 122 * saturation_limit: Saturation limit. 123 * @win_height: Window Height. Range 2 - 256, even values only. 124 * @win_width: Window Width. Range 6 - 256, even values only. 125 * @ver_win_count: Vertical Window Count. Range 1 - 128. 126 * @hor_win_count: Horizontal Window Count. Range 1 - 36. 127 * @ver_win_start: Vertical Window Start. Range 0 - 4095. 128 * @hor_win_start: Horizontal Window Start. Range 0 - 4095. 129 * @blk_ver_win_start: Black Vertical Windows Start. Range 0 - 4095. 130 * @blk_win_height: Black Window Height. Range 2 - 256, even values only. 131 * @subsample_ver_inc: Subsample Vertical points increment Range 2 - 32, even 132 * values only. 133 * @subsample_hor_inc: Subsample Horizontal points increment Range 2 - 32, even 134 * values only. 135 * @alaw_enable: AEW ALAW EN flag. 136 */ 137struct omap3isp_h3a_aewb_config { 138 /* 139 * Common fields. 140 * They should be the first ones and must be in the same order as in 141 * ispstat_generic_config struct. 142 */ 143 __u32 buf_size; 144 __u16 config_counter; 145 146 /* Private fields */ 147 __u16 saturation_limit; 148 __u16 win_height; 149 __u16 win_width; 150 __u16 ver_win_count; 151 __u16 hor_win_count; 152 __u16 ver_win_start; 153 __u16 hor_win_start; 154 __u16 blk_ver_win_start; 155 __u16 blk_win_height; 156 __u16 subsample_ver_inc; 157 __u16 subsample_hor_inc; 158 __u8 alaw_enable; 159}; 160 161/** 162 * struct omap3isp_stat_data - Statistic data sent to or received from user 163 * @ts: Timestamp of returned framestats. 164 * @buf: Pointer to pass to user. 165 * @buf_size: Size of buffer. 166 * @frame_number: Frame number of requested stats. 167 * @cur_frame: Current frame number being processed. 168 * @config_counter: Number of the configuration associated with the data. 169 */ 170struct omap3isp_stat_data { 171#ifdef __KERNEL__ 172 struct { 173 __s64 tv_sec; 174 __s64 tv_usec; 175 } ts; 176#else 177 struct timeval ts; 178#endif 179 void __user *buf; 180 __struct_group(/* no tag */, frame, /* no attrs */, 181 __u32 buf_size; 182 __u16 frame_number; 183 __u16 cur_frame; 184 __u16 config_counter; 185 ); 186}; 187 188#ifdef __KERNEL__ 189struct omap3isp_stat_data_time32 { 190 struct { 191 __s32 tv_sec; 192 __s32 tv_usec; 193 } ts; 194 __u32 buf; 195 __struct_group(/* no tag */, frame, /* no attrs */, 196 __u32 buf_size; 197 __u16 frame_number; 198 __u16 cur_frame; 199 __u16 config_counter; 200 ); 201}; 202#endif 203 204/* Histogram related structs */ 205 206/* Flags for number of bins */ 207#define OMAP3ISP_HIST_BINS_32 0 208#define OMAP3ISP_HIST_BINS_64 1 209#define OMAP3ISP_HIST_BINS_128 2 210#define OMAP3ISP_HIST_BINS_256 3 211 212/* Number of bins * 4 colors * 4-bytes word */ 213#define OMAP3ISP_HIST_MEM_SIZE_BINS(n) ((1 << ((n)+5))*4*4) 214 215#define OMAP3ISP_HIST_MEM_SIZE 1024 216#define OMAP3ISP_HIST_MIN_REGIONS 1 217#define OMAP3ISP_HIST_MAX_REGIONS 4 218#define OMAP3ISP_HIST_MAX_WB_GAIN 255 219#define OMAP3ISP_HIST_MIN_WB_GAIN 0 220#define OMAP3ISP_HIST_MAX_BIT_WIDTH 14 221#define OMAP3ISP_HIST_MIN_BIT_WIDTH 8 222#define OMAP3ISP_HIST_MAX_WG 4 223#define OMAP3ISP_HIST_MAX_BUF_SIZE 4096 224 225/* Source */ 226#define OMAP3ISP_HIST_SOURCE_CCDC 0 227#define OMAP3ISP_HIST_SOURCE_MEM 1 228 229/* CFA pattern */ 230#define OMAP3ISP_HIST_CFA_BAYER 0 231#define OMAP3ISP_HIST_CFA_FOVEONX3 1 232 233struct omap3isp_hist_region { 234 __u16 h_start; 235 __u16 h_end; 236 __u16 v_start; 237 __u16 v_end; 238}; 239 240struct omap3isp_hist_config { 241 /* 242 * Common fields. 243 * They should be the first ones and must be in the same order as in 244 * ispstat_generic_config struct. 245 */ 246 __u32 buf_size; 247 __u16 config_counter; 248 249 __u8 num_acc_frames; /* Num of image frames to be processed and 250 accumulated for each histogram frame */ 251 __u16 hist_bins; /* number of bins: 32, 64, 128, or 256 */ 252 __u8 cfa; /* BAYER or FOVEON X3 */ 253 __u8 wg[OMAP3ISP_HIST_MAX_WG]; /* White Balance Gain */ 254 __u8 num_regions; /* number of regions to be configured */ 255 struct omap3isp_hist_region region[OMAP3ISP_HIST_MAX_REGIONS]; 256}; 257 258/* Auto Focus related structs */ 259 260#define OMAP3ISP_AF_NUM_COEF 11 261 262enum omap3isp_h3a_af_fvmode { 263 OMAP3ISP_AF_MODE_SUMMED = 0, 264 OMAP3ISP_AF_MODE_PEAK = 1 265}; 266 267/* Red, Green, and blue pixel location in the AF windows */ 268enum omap3isp_h3a_af_rgbpos { 269 OMAP3ISP_AF_GR_GB_BAYER = 0, /* GR and GB as Bayer pattern */ 270 OMAP3ISP_AF_RG_GB_BAYER = 1, /* RG and GB as Bayer pattern */ 271 OMAP3ISP_AF_GR_BG_BAYER = 2, /* GR and BG as Bayer pattern */ 272 OMAP3ISP_AF_RG_BG_BAYER = 3, /* RG and BG as Bayer pattern */ 273 OMAP3ISP_AF_GG_RB_CUSTOM = 4, /* GG and RB as custom pattern */ 274 OMAP3ISP_AF_RB_GG_CUSTOM = 5 /* RB and GG as custom pattern */ 275}; 276 277/* Contains the information regarding the Horizontal Median Filter */ 278struct omap3isp_h3a_af_hmf { 279 __u8 enable; /* Status of Horizontal Median Filter */ 280 __u8 threshold; /* Threshold Value for Horizontal Median Filter */ 281}; 282 283/* Contains the information regarding the IIR Filters */ 284struct omap3isp_h3a_af_iir { 285 __u16 h_start; /* IIR horizontal start */ 286 __u16 coeff_set0[OMAP3ISP_AF_NUM_COEF]; /* Filter coefficient, set 0 */ 287 __u16 coeff_set1[OMAP3ISP_AF_NUM_COEF]; /* Filter coefficient, set 1 */ 288}; 289 290/* Contains the information regarding the Paxels Structure in AF Engine */ 291struct omap3isp_h3a_af_paxel { 292 __u16 h_start; /* Horizontal Start Position */ 293 __u16 v_start; /* Vertical Start Position */ 294 __u8 width; /* Width of the Paxel */ 295 __u8 height; /* Height of the Paxel */ 296 __u8 h_cnt; /* Horizontal Count */ 297 __u8 v_cnt; /* vertical Count */ 298 __u8 line_inc; /* Line Increment */ 299}; 300 301/* Contains the parameters required for hardware set up of AF Engine */ 302struct omap3isp_h3a_af_config { 303 /* 304 * Common fields. 305 * They should be the first ones and must be in the same order as in 306 * ispstat_generic_config struct. 307 */ 308 __u32 buf_size; 309 __u16 config_counter; 310 311 struct omap3isp_h3a_af_hmf hmf; /* HMF configurations */ 312 struct omap3isp_h3a_af_iir iir; /* IIR filter configurations */ 313 struct omap3isp_h3a_af_paxel paxel; /* Paxel parameters */ 314 enum omap3isp_h3a_af_rgbpos rgb_pos; /* RGB Positions */ 315 enum omap3isp_h3a_af_fvmode fvmode; /* Accumulator mode */ 316 __u8 alaw_enable; /* AF ALAW status */ 317}; 318 319/* ISP CCDC structs */ 320 321/* Abstraction layer CCDC configurations */ 322#define OMAP3ISP_CCDC_ALAW (1 << 0) 323#define OMAP3ISP_CCDC_LPF (1 << 1) 324#define OMAP3ISP_CCDC_BLCLAMP (1 << 2) 325#define OMAP3ISP_CCDC_BCOMP (1 << 3) 326#define OMAP3ISP_CCDC_FPC (1 << 4) 327#define OMAP3ISP_CCDC_CULL (1 << 5) 328#define OMAP3ISP_CCDC_CONFIG_LSC (1 << 7) 329#define OMAP3ISP_CCDC_TBL_LSC (1 << 8) 330 331#define OMAP3ISP_RGB_MAX 3 332 333/* Enumeration constants for Alaw input width */ 334enum omap3isp_alaw_ipwidth { 335 OMAP3ISP_ALAW_BIT12_3 = 0x3, 336 OMAP3ISP_ALAW_BIT11_2 = 0x4, 337 OMAP3ISP_ALAW_BIT10_1 = 0x5, 338 OMAP3ISP_ALAW_BIT9_0 = 0x6 339}; 340 341/** 342 * struct omap3isp_ccdc_lsc_config - LSC configuration 343 * @offset: Table Offset of the gain table. 344 * @gain_mode_n: Vertical dimension of a paxel in LSC configuration. 345 * @gain_mode_m: Horizontal dimension of a paxel in LSC configuration. 346 * @gain_format: Gain table format. 347 * @fmtsph: Start pixel horizontal from start of the HS sync pulse. 348 * @fmtlnh: Number of pixels in horizontal direction to use for the data 349 * reformatter. 350 * @fmtslv: Start line from start of VS sync pulse for the data reformatter. 351 * @fmtlnv: Number of lines in vertical direction for the data reformatter. 352 * @initial_x: X position, in pixels, of the first active pixel in reference 353 * to the first active paxel. Must be an even number. 354 * @initial_y: Y position, in pixels, of the first active pixel in reference 355 * to the first active paxel. Must be an even number. 356 * @size: Size of LSC gain table. Filled when loaded from userspace. 357 */ 358struct omap3isp_ccdc_lsc_config { 359 __u16 offset; 360 __u8 gain_mode_n; 361 __u8 gain_mode_m; 362 __u8 gain_format; 363 __u16 fmtsph; 364 __u16 fmtlnh; 365 __u16 fmtslv; 366 __u16 fmtlnv; 367 __u8 initial_x; 368 __u8 initial_y; 369 __u32 size; 370}; 371 372/** 373 * struct omap3isp_ccdc_bclamp - Optical & Digital black clamp subtract 374 * @obgain: Optical black average gain. 375 * @obstpixel: Start Pixel w.r.t. HS pulse in Optical black sample. 376 * @oblines: Optical Black Sample lines. 377 * @oblen: Optical Black Sample Length. 378 * @dcsubval: Digital Black Clamp subtract value. 379 */ 380struct omap3isp_ccdc_bclamp { 381 __u8 obgain; 382 __u8 obstpixel; 383 __u8 oblines; 384 __u8 oblen; 385 __u16 dcsubval; 386}; 387 388/** 389 * struct omap3isp_ccdc_fpc - Faulty Pixels Correction 390 * @fpnum: Number of faulty pixels to be corrected in the frame. 391 * @fpcaddr: Memory address of the FPC Table 392 */ 393struct omap3isp_ccdc_fpc { 394 __u16 fpnum; 395 __u32 fpcaddr; 396}; 397 398/** 399 * struct omap3isp_ccdc_blcomp - Black Level Compensation parameters 400 * @b_mg: B/Mg pixels. 2's complement. -128 to +127. 401 * @gb_g: Gb/G pixels. 2's complement. -128 to +127. 402 * @gr_cy: Gr/Cy pixels. 2's complement. -128 to +127. 403 * @r_ye: R/Ye pixels. 2's complement. -128 to +127. 404 */ 405struct omap3isp_ccdc_blcomp { 406 __u8 b_mg; 407 __u8 gb_g; 408 __u8 gr_cy; 409 __u8 r_ye; 410}; 411 412/** 413 * omap3isp_ccdc_culling - Culling parameters 414 * @v_pattern: Vertical culling pattern. 415 * @h_odd: Horizontal Culling pattern for odd lines. 416 * @h_even: Horizontal Culling pattern for even lines. 417 */ 418struct omap3isp_ccdc_culling { 419 __u8 v_pattern; 420 __u16 h_odd; 421 __u16 h_even; 422}; 423 424/** 425 * omap3isp_ccdc_update_config - CCDC configuration 426 * @update: Specifies which CCDC registers should be updated. 427 * @flag: Specifies which CCDC functions should be enabled. 428 * @alawip: Enable/Disable A-Law compression. 429 * @bclamp: Black clamp control register. 430 * @blcomp: Black level compensation value for RGrGbB Pixels. 2's complement. 431 * @fpc: Number of faulty pixels corrected in the frame, address of FPC table. 432 * @cull: Cull control register. 433 * @lsc: Pointer to LSC gain table. 434 */ 435struct omap3isp_ccdc_update_config { 436 __u16 update; 437 __u16 flag; 438 enum omap3isp_alaw_ipwidth alawip; 439 struct omap3isp_ccdc_bclamp __user *bclamp; 440 struct omap3isp_ccdc_blcomp __user *blcomp; 441 struct omap3isp_ccdc_fpc __user *fpc; 442 struct omap3isp_ccdc_lsc_config __user *lsc_cfg; 443 struct omap3isp_ccdc_culling __user *cull; 444 __u8 __user *lsc; 445}; 446 447/* Preview configurations */ 448#define OMAP3ISP_PREV_LUMAENH (1 << 0) 449#define OMAP3ISP_PREV_INVALAW (1 << 1) 450#define OMAP3ISP_PREV_HRZ_MED (1 << 2) 451#define OMAP3ISP_PREV_CFA (1 << 3) 452#define OMAP3ISP_PREV_CHROMA_SUPP (1 << 4) 453#define OMAP3ISP_PREV_WB (1 << 5) 454#define OMAP3ISP_PREV_BLKADJ (1 << 6) 455#define OMAP3ISP_PREV_RGB2RGB (1 << 7) 456#define OMAP3ISP_PREV_COLOR_CONV (1 << 8) 457#define OMAP3ISP_PREV_YC_LIMIT (1 << 9) 458#define OMAP3ISP_PREV_DEFECT_COR (1 << 10) 459/* Bit 11 was OMAP3ISP_PREV_GAMMABYPASS, now merged with OMAP3ISP_PREV_GAMMA */ 460#define OMAP3ISP_PREV_DRK_FRM_CAPTURE (1 << 12) 461#define OMAP3ISP_PREV_DRK_FRM_SUBTRACT (1 << 13) 462#define OMAP3ISP_PREV_LENS_SHADING (1 << 14) 463#define OMAP3ISP_PREV_NF (1 << 15) 464#define OMAP3ISP_PREV_GAMMA (1 << 16) 465 466#define OMAP3ISP_PREV_NF_TBL_SIZE 64 467#define OMAP3ISP_PREV_CFA_TBL_SIZE 576 468#define OMAP3ISP_PREV_CFA_BLK_SIZE (OMAP3ISP_PREV_CFA_TBL_SIZE / 4) 469#define OMAP3ISP_PREV_GAMMA_TBL_SIZE 1024 470#define OMAP3ISP_PREV_YENH_TBL_SIZE 128 471 472#define OMAP3ISP_PREV_DETECT_CORRECT_CHANNELS 4 473 474/** 475 * struct omap3isp_prev_hmed - Horizontal Median Filter 476 * @odddist: Distance between consecutive pixels of same color in the odd line. 477 * @evendist: Distance between consecutive pixels of same color in the even 478 * line. 479 * @thres: Horizontal median filter threshold. 480 */ 481struct omap3isp_prev_hmed { 482 __u8 odddist; 483 __u8 evendist; 484 __u8 thres; 485}; 486 487/* 488 * Enumeration for CFA Formats supported by preview 489 */ 490enum omap3isp_cfa_fmt { 491 OMAP3ISP_CFAFMT_BAYER, 492 OMAP3ISP_CFAFMT_SONYVGA, 493 OMAP3ISP_CFAFMT_RGBFOVEON, 494 OMAP3ISP_CFAFMT_DNSPL, 495 OMAP3ISP_CFAFMT_HONEYCOMB, 496 OMAP3ISP_CFAFMT_RRGGBBFOVEON 497}; 498 499/** 500 * struct omap3isp_prev_cfa - CFA Interpolation 501 * @format: CFA Format Enum value supported by preview. 502 * @gradthrs_vert: CFA Gradient Threshold - Vertical. 503 * @gradthrs_horz: CFA Gradient Threshold - Horizontal. 504 * @table: Pointer to the CFA table. 505 */ 506struct omap3isp_prev_cfa { 507 enum omap3isp_cfa_fmt format; 508 __u8 gradthrs_vert; 509 __u8 gradthrs_horz; 510 __u32 table[4][OMAP3ISP_PREV_CFA_BLK_SIZE]; 511}; 512 513/** 514 * struct omap3isp_prev_csup - Chrominance Suppression 515 * @gain: Gain. 516 * @thres: Threshold. 517 * @hypf_en: Flag to enable/disable the High Pass Filter. 518 */ 519struct omap3isp_prev_csup { 520 __u8 gain; 521 __u8 thres; 522 __u8 hypf_en; 523}; 524 525/** 526 * struct omap3isp_prev_wbal - White Balance 527 * @dgain: Digital gain (U10Q8). 528 * @coef3: White balance gain - COEF 3 (U8Q5). 529 * @coef2: White balance gain - COEF 2 (U8Q5). 530 * @coef1: White balance gain - COEF 1 (U8Q5). 531 * @coef0: White balance gain - COEF 0 (U8Q5). 532 */ 533struct omap3isp_prev_wbal { 534 __u16 dgain; 535 __u8 coef3; 536 __u8 coef2; 537 __u8 coef1; 538 __u8 coef0; 539}; 540 541/** 542 * struct omap3isp_prev_blkadj - Black Level Adjustment 543 * @red: Black level offset adjustment for Red in 2's complement format 544 * @green: Black level offset adjustment for Green in 2's complement format 545 * @blue: Black level offset adjustment for Blue in 2's complement format 546 */ 547struct omap3isp_prev_blkadj { 548 /*Black level offset adjustment for Red in 2's complement format */ 549 __u8 red; 550 /*Black level offset adjustment for Green in 2's complement format */ 551 __u8 green; 552 /* Black level offset adjustment for Blue in 2's complement format */ 553 __u8 blue; 554}; 555 556/** 557 * struct omap3isp_prev_rgbtorgb - RGB to RGB Blending 558 * @matrix: Blending values(S12Q8 format) 559 * [RR] [GR] [BR] 560 * [RG] [GG] [BG] 561 * [RB] [GB] [BB] 562 * @offset: Blending offset value for R,G,B in 2's complement integer format. 563 */ 564struct omap3isp_prev_rgbtorgb { 565 __u16 matrix[OMAP3ISP_RGB_MAX][OMAP3ISP_RGB_MAX]; 566 __u16 offset[OMAP3ISP_RGB_MAX]; 567}; 568 569/** 570 * struct omap3isp_prev_csc - Color Space Conversion from RGB-YCbYCr 571 * @matrix: Color space conversion coefficients(S10Q8) 572 * [CSCRY] [CSCGY] [CSCBY] 573 * [CSCRCB] [CSCGCB] [CSCBCB] 574 * [CSCRCR] [CSCGCR] [CSCBCR] 575 * @offset: CSC offset values for Y offset, CB offset and CR offset respectively 576 */ 577struct omap3isp_prev_csc { 578 __u16 matrix[OMAP3ISP_RGB_MAX][OMAP3ISP_RGB_MAX]; 579 __s16 offset[OMAP3ISP_RGB_MAX]; 580}; 581 582/** 583 * struct omap3isp_prev_yclimit - Y, C Value Limit 584 * @minC: Minimum C value 585 * @maxC: Maximum C value 586 * @minY: Minimum Y value 587 * @maxY: Maximum Y value 588 */ 589struct omap3isp_prev_yclimit { 590 __u8 minC; 591 __u8 maxC; 592 __u8 minY; 593 __u8 maxY; 594}; 595 596/** 597 * struct omap3isp_prev_dcor - Defect correction 598 * @couplet_mode_en: Flag to enable or disable the couplet dc Correction in NF 599 * @detect_correct: Thresholds for correction bit 0:10 detect 16:25 correct 600 */ 601struct omap3isp_prev_dcor { 602 __u8 couplet_mode_en; 603 __u32 detect_correct[OMAP3ISP_PREV_DETECT_CORRECT_CHANNELS]; 604}; 605 606/** 607 * struct omap3isp_prev_nf - Noise Filter 608 * @spread: Spread value to be used in Noise Filter 609 * @table: Pointer to the Noise Filter table 610 */ 611struct omap3isp_prev_nf { 612 __u8 spread; 613 __u32 table[OMAP3ISP_PREV_NF_TBL_SIZE]; 614}; 615 616/** 617 * struct omap3isp_prev_gtables - Gamma correction tables 618 * @red: Array for red gamma table. 619 * @green: Array for green gamma table. 620 * @blue: Array for blue gamma table. 621 */ 622struct omap3isp_prev_gtables { 623 __u32 red[OMAP3ISP_PREV_GAMMA_TBL_SIZE]; 624 __u32 green[OMAP3ISP_PREV_GAMMA_TBL_SIZE]; 625 __u32 blue[OMAP3ISP_PREV_GAMMA_TBL_SIZE]; 626}; 627 628/** 629 * struct omap3isp_prev_luma - Luma enhancement 630 * @table: Array for luma enhancement table. 631 */ 632struct omap3isp_prev_luma { 633 __u32 table[OMAP3ISP_PREV_YENH_TBL_SIZE]; 634}; 635 636/** 637 * struct omap3isp_prev_update_config - Preview engine configuration (user) 638 * @update: Specifies which ISP Preview registers should be updated. 639 * @flag: Specifies which ISP Preview functions should be enabled. 640 * @shading_shift: 3bit value of shift used in shading compensation. 641 * @luma: Pointer to luma enhancement structure. 642 * @hmed: Pointer to structure containing the odd and even distance. 643 * between the pixels in the image along with the filter threshold. 644 * @cfa: Pointer to structure containing the CFA interpolation table, CFA. 645 * format in the image, vertical and horizontal gradient threshold. 646 * @csup: Pointer to Structure for Chrominance Suppression coefficients. 647 * @wbal: Pointer to structure for White Balance. 648 * @blkadj: Pointer to structure for Black Adjustment. 649 * @rgb2rgb: Pointer to structure for RGB to RGB Blending. 650 * @csc: Pointer to structure for Color Space Conversion from RGB-YCbYCr. 651 * @yclimit: Pointer to structure for Y, C Value Limit. 652 * @dcor: Pointer to structure for defect correction. 653 * @nf: Pointer to structure for Noise Filter 654 * @gamma: Pointer to gamma structure. 655 */ 656struct omap3isp_prev_update_config { 657 __u32 update; 658 __u32 flag; 659 __u32 shading_shift; 660 struct omap3isp_prev_luma __user *luma; 661 struct omap3isp_prev_hmed __user *hmed; 662 struct omap3isp_prev_cfa __user *cfa; 663 struct omap3isp_prev_csup __user *csup; 664 struct omap3isp_prev_wbal __user *wbal; 665 struct omap3isp_prev_blkadj __user *blkadj; 666 struct omap3isp_prev_rgbtorgb __user *rgb2rgb; 667 struct omap3isp_prev_csc __user *csc; 668 struct omap3isp_prev_yclimit __user *yclimit; 669 struct omap3isp_prev_dcor __user *dcor; 670 struct omap3isp_prev_nf __user *nf; 671 struct omap3isp_prev_gtables __user *gamma; 672}; 673 674#endif /* OMAP3_ISP_USER_H */ 675