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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
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
72struct 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 */
133struct 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 */
165struct omap3isp_stat_data {
166 struct timeval ts;
167 void __user *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
204struct omap3isp_hist_region {
205 __u16 h_start;
206 __u16 h_end;
207 __u16 v_start;
208 __u16 v_end;
209};
210
211struct 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
233enum 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 */
239enum 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 */
249struct 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 */
255struct 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 */
262struct 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 */
273struct 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 */
305enum 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 */
329struct 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 */
351struct 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 */
364struct 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 */
376struct 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 */
389struct 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 */
406struct omap3isp_ccdc_update_config {
407 __u16 update;
408 __u16 flag;
409 enum omap3isp_alaw_ipwidth alawip;
410 struct omap3isp_ccdc_bclamp __user *bclamp;
411 struct omap3isp_ccdc_blcomp __user *blcomp;
412 struct omap3isp_ccdc_fpc __user *fpc;
413 struct omap3isp_ccdc_lsc_config __user *lsc_cfg;
414 struct omap3isp_ccdc_culling __user *cull;
415 __u8 __user *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 */
451struct omap3isp_prev_hmed {
452 __u8 odddist;
453 __u8 evendist;
454 __u8 thres;
455};
456
457/*
458 * Enumeration for CFA Formats supported by preview
459 */
460enum 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 */
476struct 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 */
489struct 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 */
503struct 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 */
517struct 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 */
534struct 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 */
547struct 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 */
559struct 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 */
571struct 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 */
581struct 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 */
592struct 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 */
602struct 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 */
626struct omap3isp_prev_update_config {
627 __u32 update;
628 __u32 flag;
629 __u32 shading_shift;
630 struct omap3isp_prev_luma __user *luma;
631 struct omap3isp_prev_hmed __user *hmed;
632 struct omap3isp_prev_cfa __user *cfa;
633 struct omap3isp_prev_csup __user *csup;
634 struct omap3isp_prev_wbal __user *wbal;
635 struct omap3isp_prev_blkadj __user *blkadj;
636 struct omap3isp_prev_rgbtorgb __user *rgb2rgb;
637 struct omap3isp_prev_csc __user *csc;
638 struct omap3isp_prev_yclimit __user *yclimit;
639 struct omap3isp_prev_dcor __user *dcor;
640 struct omap3isp_prev_nf __user *nf;
641 struct omap3isp_prev_gtables __user *gamma;
642};
643
644#endif /* OMAP3_ISP_USER_H */
generated by cgit v1.2.2 (git 2.25.0) at 2026-02-23 06:16:53 -0500