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 76 struct 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 */ 137 struct 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 * @frame_number: Frame number of requested stats. 166 * @cur_frame: Current frame number being processed. 167 * @config_counter: Number of the configuration associated with the data. 168 */ 169 struct omap3isp_stat_data { 170 struct timeval ts; 171 void *buf; 172 __u32 buf_size; 173 __u16 frame_number; 174 __u16 cur_frame; 175 __u16 config_counter; 176 }; 177 178 179 /* Histogram related structs */ 180 181 /* Flags for number of bins */ 182 #define OMAP3ISP_HIST_BINS_32 0 183 #define OMAP3ISP_HIST_BINS_64 1 184 #define OMAP3ISP_HIST_BINS_128 2 185 #define OMAP3ISP_HIST_BINS_256 3 186 187 /* Number of bins * 4 colors * 4-bytes word */ 188 #define OMAP3ISP_HIST_MEM_SIZE_BINS(n) ((1 << ((n)+5))*4*4) 189 190 #define OMAP3ISP_HIST_MEM_SIZE 1024 191 #define OMAP3ISP_HIST_MIN_REGIONS 1 192 #define OMAP3ISP_HIST_MAX_REGIONS 4 193 #define OMAP3ISP_HIST_MAX_WB_GAIN 255 194 #define OMAP3ISP_HIST_MIN_WB_GAIN 0 195 #define OMAP3ISP_HIST_MAX_BIT_WIDTH 14 196 #define OMAP3ISP_HIST_MIN_BIT_WIDTH 8 197 #define OMAP3ISP_HIST_MAX_WG 4 198 #define OMAP3ISP_HIST_MAX_BUF_SIZE 4096 199 200 /* Source */ 201 #define OMAP3ISP_HIST_SOURCE_CCDC 0 202 #define OMAP3ISP_HIST_SOURCE_MEM 1 203 204 /* CFA pattern */ 205 #define OMAP3ISP_HIST_CFA_BAYER 0 206 #define OMAP3ISP_HIST_CFA_FOVEONX3 1 207 208 struct omap3isp_hist_region { 209 __u16 h_start; 210 __u16 h_end; 211 __u16 v_start; 212 __u16 v_end; 213 }; 214 215 struct omap3isp_hist_config { 216 /* 217 * Common fields. 218 * They should be the first ones and must be in the same order as in 219 * ispstat_generic_config struct. 220 */ 221 __u32 buf_size; 222 __u16 config_counter; 223 224 __u8 num_acc_frames; /* Num of image frames to be processed and 225 accumulated for each histogram frame */ 226 __u16 hist_bins; /* number of bins: 32, 64, 128, or 256 */ 227 __u8 cfa; /* BAYER or FOVEON X3 */ 228 __u8 wg[OMAP3ISP_HIST_MAX_WG]; /* White Balance Gain */ 229 __u8 num_regions; /* number of regions to be configured */ 230 struct omap3isp_hist_region region[OMAP3ISP_HIST_MAX_REGIONS]; 231 }; 232 233 /* Auto Focus related structs */ 234 235 #define OMAP3ISP_AF_NUM_COEF 11 236 237 enum omap3isp_h3a_af_fvmode { 238 OMAP3ISP_AF_MODE_SUMMED = 0, 239 OMAP3ISP_AF_MODE_PEAK = 1 240 }; 241 242 /* Red, Green, and blue pixel location in the AF windows */ 243 enum omap3isp_h3a_af_rgbpos { 244 OMAP3ISP_AF_GR_GB_BAYER = 0, /* GR and GB as Bayer pattern */ 245 OMAP3ISP_AF_RG_GB_BAYER = 1, /* RG and GB as Bayer pattern */ 246 OMAP3ISP_AF_GR_BG_BAYER = 2, /* GR and BG as Bayer pattern */ 247 OMAP3ISP_AF_RG_BG_BAYER = 3, /* RG and BG as Bayer pattern */ 248 OMAP3ISP_AF_GG_RB_CUSTOM = 4, /* GG and RB as custom pattern */ 249 OMAP3ISP_AF_RB_GG_CUSTOM = 5 /* RB and GG as custom pattern */ 250 }; 251 252 /* Contains the information regarding the Horizontal Median Filter */ 253 struct omap3isp_h3a_af_hmf { 254 __u8 enable; /* Status of Horizontal Median Filter */ 255 __u8 threshold; /* Threshold Value for Horizontal Median Filter */ 256 }; 257 258 /* Contains the information regarding the IIR Filters */ 259 struct omap3isp_h3a_af_iir { 260 __u16 h_start; /* IIR horizontal start */ 261 __u16 coeff_set0[OMAP3ISP_AF_NUM_COEF]; /* Filter coefficient, set 0 */ 262 __u16 coeff_set1[OMAP3ISP_AF_NUM_COEF]; /* Filter coefficient, set 1 */ 263 }; 264 265 /* Contains the information regarding the Paxels Structure in AF Engine */ 266 struct omap3isp_h3a_af_paxel { 267 __u16 h_start; /* Horizontal Start Position */ 268 __u16 v_start; /* Vertical Start Position */ 269 __u8 width; /* Width of the Paxel */ 270 __u8 height; /* Height of the Paxel */ 271 __u8 h_cnt; /* Horizontal Count */ 272 __u8 v_cnt; /* vertical Count */ 273 __u8 line_inc; /* Line Increment */ 274 }; 275 276 /* Contains the parameters required for hardware set up of AF Engine */ 277 struct omap3isp_h3a_af_config { 278 /* 279 * Common fields. 280 * They should be the first ones and must be in the same order as in 281 * ispstat_generic_config struct. 282 */ 283 __u32 buf_size; 284 __u16 config_counter; 285 286 struct omap3isp_h3a_af_hmf hmf; /* HMF configurations */ 287 struct omap3isp_h3a_af_iir iir; /* IIR filter configurations */ 288 struct omap3isp_h3a_af_paxel paxel; /* Paxel parameters */ 289 enum omap3isp_h3a_af_rgbpos rgb_pos; /* RGB Positions */ 290 enum omap3isp_h3a_af_fvmode fvmode; /* Accumulator mode */ 291 __u8 alaw_enable; /* AF ALAW status */ 292 }; 293 294 /* ISP CCDC structs */ 295 296 /* Abstraction layer CCDC configurations */ 297 #define OMAP3ISP_CCDC_ALAW (1 << 0) 298 #define OMAP3ISP_CCDC_LPF (1 << 1) 299 #define OMAP3ISP_CCDC_BLCLAMP (1 << 2) 300 #define OMAP3ISP_CCDC_BCOMP (1 << 3) 301 #define OMAP3ISP_CCDC_FPC (1 << 4) 302 #define OMAP3ISP_CCDC_CULL (1 << 5) 303 #define OMAP3ISP_CCDC_CONFIG_LSC (1 << 7) 304 #define OMAP3ISP_CCDC_TBL_LSC (1 << 8) 305 306 #define OMAP3ISP_RGB_MAX 3 307 308 /* Enumeration constants for Alaw input width */ 309 enum omap3isp_alaw_ipwidth { 310 OMAP3ISP_ALAW_BIT12_3 = 0x3, 311 OMAP3ISP_ALAW_BIT11_2 = 0x4, 312 OMAP3ISP_ALAW_BIT10_1 = 0x5, 313 OMAP3ISP_ALAW_BIT9_0 = 0x6 314 }; 315 316 /** 317 * struct omap3isp_ccdc_lsc_config - LSC configuration 318 * @offset: Table Offset of the gain table. 319 * @gain_mode_n: Vertical dimension of a paxel in LSC configuration. 320 * @gain_mode_m: Horizontal dimension of a paxel in LSC configuration. 321 * @gain_format: Gain table format. 322 * @fmtsph: Start pixel horizontal from start of the HS sync pulse. 323 * @fmtlnh: Number of pixels in horizontal direction to use for the data 324 * reformatter. 325 * @fmtslv: Start line from start of VS sync pulse for the data reformatter. 326 * @fmtlnv: Number of lines in vertical direction for the data reformatter. 327 * @initial_x: X position, in pixels, of the first active pixel in reference 328 * to the first active paxel. Must be an even number. 329 * @initial_y: Y position, in pixels, of the first active pixel in reference 330 * to the first active paxel. Must be an even number. 331 * @size: Size of LSC gain table. Filled when loaded from userspace. 332 */ 333 struct omap3isp_ccdc_lsc_config { 334 __u16 offset; 335 __u8 gain_mode_n; 336 __u8 gain_mode_m; 337 __u8 gain_format; 338 __u16 fmtsph; 339 __u16 fmtlnh; 340 __u16 fmtslv; 341 __u16 fmtlnv; 342 __u8 initial_x; 343 __u8 initial_y; 344 __u32 size; 345 }; 346 347 /** 348 * struct omap3isp_ccdc_bclamp - Optical & Digital black clamp subtract 349 * @obgain: Optical black average gain. 350 * @obstpixel: Start Pixel w.r.t. HS pulse in Optical black sample. 351 * @oblines: Optical Black Sample lines. 352 * @oblen: Optical Black Sample Length. 353 * @dcsubval: Digital Black Clamp subtract value. 354 */ 355 struct omap3isp_ccdc_bclamp { 356 __u8 obgain; 357 __u8 obstpixel; 358 __u8 oblines; 359 __u8 oblen; 360 __u16 dcsubval; 361 }; 362 363 /** 364 * struct omap3isp_ccdc_fpc - Faulty Pixels Correction 365 * @fpnum: Number of faulty pixels to be corrected in the frame. 366 * @fpcaddr: Memory address of the FPC Table 367 */ 368 struct omap3isp_ccdc_fpc { 369 __u16 fpnum; 370 __u32 fpcaddr; 371 }; 372 373 /** 374 * struct omap3isp_ccdc_blcomp - Black Level Compensation parameters 375 * @b_mg: B/Mg pixels. 2's complement. -128 to +127. 376 * @gb_g: Gb/G pixels. 2's complement. -128 to +127. 377 * @gr_cy: Gr/Cy pixels. 2's complement. -128 to +127. 378 * @r_ye: R/Ye pixels. 2's complement. -128 to +127. 379 */ 380 struct omap3isp_ccdc_blcomp { 381 __u8 b_mg; 382 __u8 gb_g; 383 __u8 gr_cy; 384 __u8 r_ye; 385 }; 386 387 /** 388 * omap3isp_ccdc_culling - Culling parameters 389 * @v_pattern: Vertical culling pattern. 390 * @h_odd: Horizontal Culling pattern for odd lines. 391 * @h_even: Horizontal Culling pattern for even lines. 392 */ 393 struct omap3isp_ccdc_culling { 394 __u8 v_pattern; 395 __u16 h_odd; 396 __u16 h_even; 397 }; 398 399 /** 400 * omap3isp_ccdc_update_config - CCDC configuration 401 * @update: Specifies which CCDC registers should be updated. 402 * @flag: Specifies which CCDC functions should be enabled. 403 * @alawip: Enable/Disable A-Law compression. 404 * @bclamp: Black clamp control register. 405 * @blcomp: Black level compensation value for RGrGbB Pixels. 2's complement. 406 * @fpc: Number of faulty pixels corrected in the frame, address of FPC table. 407 * @cull: Cull control register. 408 * @lsc: Pointer to LSC gain table. 409 */ 410 struct omap3isp_ccdc_update_config { 411 __u16 update; 412 __u16 flag; 413 enum omap3isp_alaw_ipwidth alawip; 414 struct omap3isp_ccdc_bclamp *bclamp; 415 struct omap3isp_ccdc_blcomp *blcomp; 416 struct omap3isp_ccdc_fpc *fpc; 417 struct omap3isp_ccdc_lsc_config *lsc_cfg; 418 struct omap3isp_ccdc_culling *cull; 419 __u8 *lsc; 420 }; 421 422 /* Preview configurations */ 423 #define OMAP3ISP_PREV_LUMAENH (1 << 0) 424 #define OMAP3ISP_PREV_INVALAW (1 << 1) 425 #define OMAP3ISP_PREV_HRZ_MED (1 << 2) 426 #define OMAP3ISP_PREV_CFA (1 << 3) 427 #define OMAP3ISP_PREV_CHROMA_SUPP (1 << 4) 428 #define OMAP3ISP_PREV_WB (1 << 5) 429 #define OMAP3ISP_PREV_BLKADJ (1 << 6) 430 #define OMAP3ISP_PREV_RGB2RGB (1 << 7) 431 #define OMAP3ISP_PREV_COLOR_CONV (1 << 8) 432 #define OMAP3ISP_PREV_YC_LIMIT (1 << 9) 433 #define OMAP3ISP_PREV_DEFECT_COR (1 << 10) 434 /* Bit 11 was OMAP3ISP_PREV_GAMMABYPASS, now merged with OMAP3ISP_PREV_GAMMA */ 435 #define OMAP3ISP_PREV_DRK_FRM_CAPTURE (1 << 12) 436 #define OMAP3ISP_PREV_DRK_FRM_SUBTRACT (1 << 13) 437 #define OMAP3ISP_PREV_LENS_SHADING (1 << 14) 438 #define OMAP3ISP_PREV_NF (1 << 15) 439 #define OMAP3ISP_PREV_GAMMA (1 << 16) 440 441 #define OMAP3ISP_PREV_NF_TBL_SIZE 64 442 #define OMAP3ISP_PREV_CFA_TBL_SIZE 576 443 #define OMAP3ISP_PREV_CFA_BLK_SIZE (OMAP3ISP_PREV_CFA_TBL_SIZE / 4) 444 #define OMAP3ISP_PREV_GAMMA_TBL_SIZE 1024 445 #define OMAP3ISP_PREV_YENH_TBL_SIZE 128 446 447 #define OMAP3ISP_PREV_DETECT_CORRECT_CHANNELS 4 448 449 /** 450 * struct omap3isp_prev_hmed - Horizontal Median Filter 451 * @odddist: Distance between consecutive pixels of same color in the odd line. 452 * @evendist: Distance between consecutive pixels of same color in the even 453 * line. 454 * @thres: Horizontal median filter threshold. 455 */ 456 struct omap3isp_prev_hmed { 457 __u8 odddist; 458 __u8 evendist; 459 __u8 thres; 460 }; 461 462 /* 463 * Enumeration for CFA Formats supported by preview 464 */ 465 enum omap3isp_cfa_fmt { 466 OMAP3ISP_CFAFMT_BAYER, 467 OMAP3ISP_CFAFMT_SONYVGA, 468 OMAP3ISP_CFAFMT_RGBFOVEON, 469 OMAP3ISP_CFAFMT_DNSPL, 470 OMAP3ISP_CFAFMT_HONEYCOMB, 471 OMAP3ISP_CFAFMT_RRGGBBFOVEON 472 }; 473 474 /** 475 * struct omap3isp_prev_cfa - CFA Interpolation 476 * @format: CFA Format Enum value supported by preview. 477 * @gradthrs_vert: CFA Gradient Threshold - Vertical. 478 * @gradthrs_horz: CFA Gradient Threshold - Horizontal. 479 * @table: Pointer to the CFA table. 480 */ 481 struct omap3isp_prev_cfa { 482 enum omap3isp_cfa_fmt format; 483 __u8 gradthrs_vert; 484 __u8 gradthrs_horz; 485 __u32 table[4][OMAP3ISP_PREV_CFA_BLK_SIZE]; 486 }; 487 488 /** 489 * struct omap3isp_prev_csup - Chrominance Suppression 490 * @gain: Gain. 491 * @thres: Threshold. 492 * @hypf_en: Flag to enable/disable the High Pass Filter. 493 */ 494 struct omap3isp_prev_csup { 495 __u8 gain; 496 __u8 thres; 497 __u8 hypf_en; 498 }; 499 500 /** 501 * struct omap3isp_prev_wbal - White Balance 502 * @dgain: Digital gain (U10Q8). 503 * @coef3: White balance gain - COEF 3 (U8Q5). 504 * @coef2: White balance gain - COEF 2 (U8Q5). 505 * @coef1: White balance gain - COEF 1 (U8Q5). 506 * @coef0: White balance gain - COEF 0 (U8Q5). 507 */ 508 struct omap3isp_prev_wbal { 509 __u16 dgain; 510 __u8 coef3; 511 __u8 coef2; 512 __u8 coef1; 513 __u8 coef0; 514 }; 515 516 /** 517 * struct omap3isp_prev_blkadj - Black Level Adjustment 518 * @red: Black level offset adjustment for Red in 2's complement format 519 * @green: Black level offset adjustment for Green in 2's complement format 520 * @blue: Black level offset adjustment for Blue in 2's complement format 521 */ 522 struct omap3isp_prev_blkadj { 523 /*Black level offset adjustment for Red in 2's complement format */ 524 __u8 red; 525 /*Black level offset adjustment for Green in 2's complement format */ 526 __u8 green; 527 /* Black level offset adjustment for Blue in 2's complement format */ 528 __u8 blue; 529 }; 530 531 /** 532 * struct omap3isp_prev_rgbtorgb - RGB to RGB Blending 533 * @matrix: Blending values(S12Q8 format) 534 * [RR] [GR] [BR] 535 * [RG] [GG] [BG] 536 * [RB] [GB] [BB] 537 * @offset: Blending offset value for R,G,B in 2's complement integer format. 538 */ 539 struct omap3isp_prev_rgbtorgb { 540 __u16 matrix[OMAP3ISP_RGB_MAX][OMAP3ISP_RGB_MAX]; 541 __u16 offset[OMAP3ISP_RGB_MAX]; 542 }; 543 544 /** 545 * struct omap3isp_prev_csc - Color Space Conversion from RGB-YCbYCr 546 * @matrix: Color space conversion coefficients(S10Q8) 547 * [CSCRY] [CSCGY] [CSCBY] 548 * [CSCRCB] [CSCGCB] [CSCBCB] 549 * [CSCRCR] [CSCGCR] [CSCBCR] 550 * @offset: CSC offset values for Y offset, CB offset and CR offset respectively 551 */ 552 struct omap3isp_prev_csc { 553 __u16 matrix[OMAP3ISP_RGB_MAX][OMAP3ISP_RGB_MAX]; 554 __s16 offset[OMAP3ISP_RGB_MAX]; 555 }; 556 557 /** 558 * struct omap3isp_prev_yclimit - Y, C Value Limit 559 * @minC: Minimum C value 560 * @maxC: Maximum C value 561 * @minY: Minimum Y value 562 * @maxY: Maximum Y value 563 */ 564 struct omap3isp_prev_yclimit { 565 __u8 minC; 566 __u8 maxC; 567 __u8 minY; 568 __u8 maxY; 569 }; 570 571 /** 572 * struct omap3isp_prev_dcor - Defect correction 573 * @couplet_mode_en: Flag to enable or disable the couplet dc Correction in NF 574 * @detect_correct: Thresholds for correction bit 0:10 detect 16:25 correct 575 */ 576 struct omap3isp_prev_dcor { 577 __u8 couplet_mode_en; 578 __u32 detect_correct[OMAP3ISP_PREV_DETECT_CORRECT_CHANNELS]; 579 }; 580 581 /** 582 * struct omap3isp_prev_nf - Noise Filter 583 * @spread: Spread value to be used in Noise Filter 584 * @table: Pointer to the Noise Filter table 585 */ 586 struct omap3isp_prev_nf { 587 __u8 spread; 588 __u32 table[OMAP3ISP_PREV_NF_TBL_SIZE]; 589 }; 590 591 /** 592 * struct omap3isp_prev_gtables - Gamma correction tables 593 * @red: Array for red gamma table. 594 * @green: Array for green gamma table. 595 * @blue: Array for blue gamma table. 596 */ 597 struct omap3isp_prev_gtables { 598 __u32 red[OMAP3ISP_PREV_GAMMA_TBL_SIZE]; 599 __u32 green[OMAP3ISP_PREV_GAMMA_TBL_SIZE]; 600 __u32 blue[OMAP3ISP_PREV_GAMMA_TBL_SIZE]; 601 }; 602 603 /** 604 * struct omap3isp_prev_luma - Luma enhancement 605 * @table: Array for luma enhancement table. 606 */ 607 struct omap3isp_prev_luma { 608 __u32 table[OMAP3ISP_PREV_YENH_TBL_SIZE]; 609 }; 610 611 /** 612 * struct omap3isp_prev_update_config - Preview engine configuration (user) 613 * @update: Specifies which ISP Preview registers should be updated. 614 * @flag: Specifies which ISP Preview functions should be enabled. 615 * @shading_shift: 3bit value of shift used in shading compensation. 616 * @luma: Pointer to luma enhancement structure. 617 * @hmed: Pointer to structure containing the odd and even distance. 618 * between the pixels in the image along with the filter threshold. 619 * @cfa: Pointer to structure containing the CFA interpolation table, CFA. 620 * format in the image, vertical and horizontal gradient threshold. 621 * @csup: Pointer to Structure for Chrominance Suppression coefficients. 622 * @wbal: Pointer to structure for White Balance. 623 * @blkadj: Pointer to structure for Black Adjustment. 624 * @rgb2rgb: Pointer to structure for RGB to RGB Blending. 625 * @csc: Pointer to structure for Color Space Conversion from RGB-YCbYCr. 626 * @yclimit: Pointer to structure for Y, C Value Limit. 627 * @dcor: Pointer to structure for defect correction. 628 * @nf: Pointer to structure for Noise Filter 629 * @gamma: Pointer to gamma structure. 630 */ 631 struct omap3isp_prev_update_config { 632 __u32 update; 633 __u32 flag; 634 __u32 shading_shift; 635 struct omap3isp_prev_luma *luma; 636 struct omap3isp_prev_hmed *hmed; 637 struct omap3isp_prev_cfa *cfa; 638 struct omap3isp_prev_csup *csup; 639 struct omap3isp_prev_wbal *wbal; 640 struct omap3isp_prev_blkadj *blkadj; 641 struct omap3isp_prev_rgbtorgb *rgb2rgb; 642 struct omap3isp_prev_csc *csc; 643 struct omap3isp_prev_yclimit *yclimit; 644 struct omap3isp_prev_dcor *dcor; 645 struct omap3isp_prev_nf *nf; 646 struct omap3isp_prev_gtables *gamma; 647 }; 648 649 #endif /* OMAP3_ISP_USER_H */