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 #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 73 struct 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 */ 134 struct 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 */ 166 struct 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 1 204 205 struct omap3isp_hist_region { 206 __u16 h_start; 207 __u16 h_end; 208 __u16 v_start; 209 __u16 v_end; 210 }; 211 212 struct 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 11 233 234 enum 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 */ 240 enum 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 */ 250 struct 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 */ 256 struct 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 */ 263 struct 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 */ 274 struct 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 */ 306 enum 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 */ 330 struct 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 */ 352 struct 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 */ 365 struct 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 */ 377 struct 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 */ 390 struct 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 */ 407 struct 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 */ 453 struct omap3isp_prev_hmed { 454 __u8 odddist; 455 __u8 evendist; 456 __u8 thres; 457 }; 458 459 /* 460 * Enumeration for CFA Formats supported by preview 461 */ 462 enum 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 */ 478 struct 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 */ 491 struct 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 */ 505 struct 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 */ 519 struct 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 */ 536 struct 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 */ 549 struct 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 */ 561 struct 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 */ 573 struct 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 */ 583 struct 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 */ 594 struct 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 */ 604 struct 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 */ 628 struct 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
