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