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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 struct timeval ts;
172 void *buf;
173 __struct_group(/* no tag */, frame, /* no attrs */,
174 __u32 buf_size;
175 __u16 frame_number;
176 __u16 cur_frame;
177 __u16 config_counter;
178 );
179};
180
181
182/* Histogram related structs */
183
184/* Flags for number of bins */
185#define OMAP3ISP_HIST_BINS_32 0
186#define OMAP3ISP_HIST_BINS_64 1
187#define OMAP3ISP_HIST_BINS_128 2
188#define OMAP3ISP_HIST_BINS_256 3
189
190/* Number of bins * 4 colors * 4-bytes word */
191#define OMAP3ISP_HIST_MEM_SIZE_BINS(n) ((1 << ((n)+5))*4*4)
192
193#define OMAP3ISP_HIST_MEM_SIZE 1024
194#define OMAP3ISP_HIST_MIN_REGIONS 1
195#define OMAP3ISP_HIST_MAX_REGIONS 4
196#define OMAP3ISP_HIST_MAX_WB_GAIN 255
197#define OMAP3ISP_HIST_MIN_WB_GAIN 0
198#define OMAP3ISP_HIST_MAX_BIT_WIDTH 14
199#define OMAP3ISP_HIST_MIN_BIT_WIDTH 8
200#define OMAP3ISP_HIST_MAX_WG 4
201#define OMAP3ISP_HIST_MAX_BUF_SIZE 4096
202
203/* Source */
204#define OMAP3ISP_HIST_SOURCE_CCDC 0
205#define OMAP3ISP_HIST_SOURCE_MEM 1
206
207/* CFA pattern */
208#define OMAP3ISP_HIST_CFA_BAYER 0
209#define OMAP3ISP_HIST_CFA_FOVEONX3 1
210
211struct omap3isp_hist_region {
212 __u16 h_start;
213 __u16 h_end;
214 __u16 v_start;
215 __u16 v_end;
216};
217
218struct omap3isp_hist_config {
219 /*
220 * Common fields.
221 * They should be the first ones and must be in the same order as in
222 * ispstat_generic_config struct.
223 */
224 __u32 buf_size;
225 __u16 config_counter;
226
227 __u8 num_acc_frames; /* Num of image frames to be processed and
228 accumulated for each histogram frame */
229 __u16 hist_bins; /* number of bins: 32, 64, 128, or 256 */
230 __u8 cfa; /* BAYER or FOVEON X3 */
231 __u8 wg[OMAP3ISP_HIST_MAX_WG]; /* White Balance Gain */
232 __u8 num_regions; /* number of regions to be configured */
233 struct omap3isp_hist_region region[OMAP3ISP_HIST_MAX_REGIONS];
234};
235
236/* Auto Focus related structs */
237
238#define OMAP3ISP_AF_NUM_COEF 11
239
240enum omap3isp_h3a_af_fvmode {
241 OMAP3ISP_AF_MODE_SUMMED = 0,
242 OMAP3ISP_AF_MODE_PEAK = 1
243};
244
245/* Red, Green, and blue pixel location in the AF windows */
246enum omap3isp_h3a_af_rgbpos {
247 OMAP3ISP_AF_GR_GB_BAYER = 0, /* GR and GB as Bayer pattern */
248 OMAP3ISP_AF_RG_GB_BAYER = 1, /* RG and GB as Bayer pattern */
249 OMAP3ISP_AF_GR_BG_BAYER = 2, /* GR and BG as Bayer pattern */
250 OMAP3ISP_AF_RG_BG_BAYER = 3, /* RG and BG as Bayer pattern */
251 OMAP3ISP_AF_GG_RB_CUSTOM = 4, /* GG and RB as custom pattern */
252 OMAP3ISP_AF_RB_GG_CUSTOM = 5 /* RB and GG as custom pattern */
253};
254
255/* Contains the information regarding the Horizontal Median Filter */
256struct omap3isp_h3a_af_hmf {
257 __u8 enable; /* Status of Horizontal Median Filter */
258 __u8 threshold; /* Threshold Value for Horizontal Median Filter */
259};
260
261/* Contains the information regarding the IIR Filters */
262struct omap3isp_h3a_af_iir {
263 __u16 h_start; /* IIR horizontal start */
264 __u16 coeff_set0[OMAP3ISP_AF_NUM_COEF]; /* Filter coefficient, set 0 */
265 __u16 coeff_set1[OMAP3ISP_AF_NUM_COEF]; /* Filter coefficient, set 1 */
266};
267
268/* Contains the information regarding the Paxels Structure in AF Engine */
269struct omap3isp_h3a_af_paxel {
270 __u16 h_start; /* Horizontal Start Position */
271 __u16 v_start; /* Vertical Start Position */
272 __u8 width; /* Width of the Paxel */
273 __u8 height; /* Height of the Paxel */
274 __u8 h_cnt; /* Horizontal Count */
275 __u8 v_cnt; /* vertical Count */
276 __u8 line_inc; /* Line Increment */
277};
278
279/* Contains the parameters required for hardware set up of AF Engine */
280struct omap3isp_h3a_af_config {
281 /*
282 * Common fields.
283 * They should be the first ones and must be in the same order as in
284 * ispstat_generic_config struct.
285 */
286 __u32 buf_size;
287 __u16 config_counter;
288
289 struct omap3isp_h3a_af_hmf hmf; /* HMF configurations */
290 struct omap3isp_h3a_af_iir iir; /* IIR filter configurations */
291 struct omap3isp_h3a_af_paxel paxel; /* Paxel parameters */
292 enum omap3isp_h3a_af_rgbpos rgb_pos; /* RGB Positions */
293 enum omap3isp_h3a_af_fvmode fvmode; /* Accumulator mode */
294 __u8 alaw_enable; /* AF ALAW status */
295};
296
297/* ISP CCDC structs */
298
299/* Abstraction layer CCDC configurations */
300#define OMAP3ISP_CCDC_ALAW (1 << 0)
301#define OMAP3ISP_CCDC_LPF (1 << 1)
302#define OMAP3ISP_CCDC_BLCLAMP (1 << 2)
303#define OMAP3ISP_CCDC_BCOMP (1 << 3)
304#define OMAP3ISP_CCDC_FPC (1 << 4)
305#define OMAP3ISP_CCDC_CULL (1 << 5)
306#define OMAP3ISP_CCDC_CONFIG_LSC (1 << 7)
307#define OMAP3ISP_CCDC_TBL_LSC (1 << 8)
308
309#define OMAP3ISP_RGB_MAX 3
310
311/* Enumeration constants for Alaw input width */
312enum omap3isp_alaw_ipwidth {
313 OMAP3ISP_ALAW_BIT12_3 = 0x3,
314 OMAP3ISP_ALAW_BIT11_2 = 0x4,
315 OMAP3ISP_ALAW_BIT10_1 = 0x5,
316 OMAP3ISP_ALAW_BIT9_0 = 0x6
317};
318
319/**
320 * struct omap3isp_ccdc_lsc_config - LSC configuration
321 * @offset: Table Offset of the gain table.
322 * @gain_mode_n: Vertical dimension of a paxel in LSC configuration.
323 * @gain_mode_m: Horizontal dimension of a paxel in LSC configuration.
324 * @gain_format: Gain table format.
325 * @fmtsph: Start pixel horizontal from start of the HS sync pulse.
326 * @fmtlnh: Number of pixels in horizontal direction to use for the data
327 * reformatter.
328 * @fmtslv: Start line from start of VS sync pulse for the data reformatter.
329 * @fmtlnv: Number of lines in vertical direction for the data reformatter.
330 * @initial_x: X position, in pixels, of the first active pixel in reference
331 * to the first active paxel. Must be an even number.
332 * @initial_y: Y position, in pixels, of the first active pixel in reference
333 * to the first active paxel. Must be an even number.
334 * @size: Size of LSC gain table. Filled when loaded from userspace.
335 */
336struct omap3isp_ccdc_lsc_config {
337 __u16 offset;
338 __u8 gain_mode_n;
339 __u8 gain_mode_m;
340 __u8 gain_format;
341 __u16 fmtsph;
342 __u16 fmtlnh;
343 __u16 fmtslv;
344 __u16 fmtlnv;
345 __u8 initial_x;
346 __u8 initial_y;
347 __u32 size;
348};
349
350/**
351 * struct omap3isp_ccdc_bclamp - Optical & Digital black clamp subtract
352 * @obgain: Optical black average gain.
353 * @obstpixel: Start Pixel w.r.t. HS pulse in Optical black sample.
354 * @oblines: Optical Black Sample lines.
355 * @oblen: Optical Black Sample Length.
356 * @dcsubval: Digital Black Clamp subtract value.
357 */
358struct omap3isp_ccdc_bclamp {
359 __u8 obgain;
360 __u8 obstpixel;
361 __u8 oblines;
362 __u8 oblen;
363 __u16 dcsubval;
364};
365
366/**
367 * struct omap3isp_ccdc_fpc - Faulty Pixels Correction
368 * @fpnum: Number of faulty pixels to be corrected in the frame.
369 * @fpcaddr: Memory address of the FPC Table
370 */
371struct omap3isp_ccdc_fpc {
372 __u16 fpnum;
373 __u32 fpcaddr;
374};
375
376/**
377 * struct omap3isp_ccdc_blcomp - Black Level Compensation parameters
378 * @b_mg: B/Mg pixels. 2's complement. -128 to +127.
379 * @gb_g: Gb/G pixels. 2's complement. -128 to +127.
380 * @gr_cy: Gr/Cy pixels. 2's complement. -128 to +127.
381 * @r_ye: R/Ye pixels. 2's complement. -128 to +127.
382 */
383struct omap3isp_ccdc_blcomp {
384 __u8 b_mg;
385 __u8 gb_g;
386 __u8 gr_cy;
387 __u8 r_ye;
388};
389
390/**
391 * omap3isp_ccdc_culling - Culling parameters
392 * @v_pattern: Vertical culling pattern.
393 * @h_odd: Horizontal Culling pattern for odd lines.
394 * @h_even: Horizontal Culling pattern for even lines.
395 */
396struct omap3isp_ccdc_culling {
397 __u8 v_pattern;
398 __u16 h_odd;
399 __u16 h_even;
400};
401
402/**
403 * omap3isp_ccdc_update_config - CCDC configuration
404 * @update: Specifies which CCDC registers should be updated.
405 * @flag: Specifies which CCDC functions should be enabled.
406 * @alawip: Enable/Disable A-Law compression.
407 * @bclamp: Black clamp control register.
408 * @blcomp: Black level compensation value for RGrGbB Pixels. 2's complement.
409 * @fpc: Number of faulty pixels corrected in the frame, address of FPC table.
410 * @cull: Cull control register.
411 * @lsc: Pointer to LSC gain table.
412 */
413struct omap3isp_ccdc_update_config {
414 __u16 update;
415 __u16 flag;
416 enum omap3isp_alaw_ipwidth alawip;
417 struct omap3isp_ccdc_bclamp *bclamp;
418 struct omap3isp_ccdc_blcomp *blcomp;
419 struct omap3isp_ccdc_fpc *fpc;
420 struct omap3isp_ccdc_lsc_config *lsc_cfg;
421 struct omap3isp_ccdc_culling *cull;
422 __u8 *lsc;
423};
424
425/* Preview configurations */
426#define OMAP3ISP_PREV_LUMAENH (1 << 0)
427#define OMAP3ISP_PREV_INVALAW (1 << 1)
428#define OMAP3ISP_PREV_HRZ_MED (1 << 2)
429#define OMAP3ISP_PREV_CFA (1 << 3)
430#define OMAP3ISP_PREV_CHROMA_SUPP (1 << 4)
431#define OMAP3ISP_PREV_WB (1 << 5)
432#define OMAP3ISP_PREV_BLKADJ (1 << 6)
433#define OMAP3ISP_PREV_RGB2RGB (1 << 7)
434#define OMAP3ISP_PREV_COLOR_CONV (1 << 8)
435#define OMAP3ISP_PREV_YC_LIMIT (1 << 9)
436#define OMAP3ISP_PREV_DEFECT_COR (1 << 10)
437/* Bit 11 was OMAP3ISP_PREV_GAMMABYPASS, now merged with OMAP3ISP_PREV_GAMMA */
438#define OMAP3ISP_PREV_DRK_FRM_CAPTURE (1 << 12)
439#define OMAP3ISP_PREV_DRK_FRM_SUBTRACT (1 << 13)
440#define OMAP3ISP_PREV_LENS_SHADING (1 << 14)
441#define OMAP3ISP_PREV_NF (1 << 15)
442#define OMAP3ISP_PREV_GAMMA (1 << 16)
443
444#define OMAP3ISP_PREV_NF_TBL_SIZE 64
445#define OMAP3ISP_PREV_CFA_TBL_SIZE 576
446#define OMAP3ISP_PREV_CFA_BLK_SIZE (OMAP3ISP_PREV_CFA_TBL_SIZE / 4)
447#define OMAP3ISP_PREV_GAMMA_TBL_SIZE 1024
448#define OMAP3ISP_PREV_YENH_TBL_SIZE 128
449
450#define OMAP3ISP_PREV_DETECT_CORRECT_CHANNELS 4
451
452/**
453 * struct omap3isp_prev_hmed - Horizontal Median Filter
454 * @odddist: Distance between consecutive pixels of same color in the odd line.
455 * @evendist: Distance between consecutive pixels of same color in the even
456 * line.
457 * @thres: Horizontal median filter threshold.
458 */
459struct omap3isp_prev_hmed {
460 __u8 odddist;
461 __u8 evendist;
462 __u8 thres;
463};
464
465/*
466 * Enumeration for CFA Formats supported by preview
467 */
468enum omap3isp_cfa_fmt {
469 OMAP3ISP_CFAFMT_BAYER,
470 OMAP3ISP_CFAFMT_SONYVGA,
471 OMAP3ISP_CFAFMT_RGBFOVEON,
472 OMAP3ISP_CFAFMT_DNSPL,
473 OMAP3ISP_CFAFMT_HONEYCOMB,
474 OMAP3ISP_CFAFMT_RRGGBBFOVEON
475};
476
477/**
478 * struct omap3isp_prev_cfa - CFA Interpolation
479 * @format: CFA Format Enum value supported by preview.
480 * @gradthrs_vert: CFA Gradient Threshold - Vertical.
481 * @gradthrs_horz: CFA Gradient Threshold - Horizontal.
482 * @table: Pointer to the CFA table.
483 */
484struct omap3isp_prev_cfa {
485 enum omap3isp_cfa_fmt format;
486 __u8 gradthrs_vert;
487 __u8 gradthrs_horz;
488 __u32 table[4][OMAP3ISP_PREV_CFA_BLK_SIZE];
489};
490
491/**
492 * struct omap3isp_prev_csup - Chrominance Suppression
493 * @gain: Gain.
494 * @thres: Threshold.
495 * @hypf_en: Flag to enable/disable the High Pass Filter.
496 */
497struct omap3isp_prev_csup {
498 __u8 gain;
499 __u8 thres;
500 __u8 hypf_en;
501};
502
503/**
504 * struct omap3isp_prev_wbal - White Balance
505 * @dgain: Digital gain (U10Q8).
506 * @coef3: White balance gain - COEF 3 (U8Q5).
507 * @coef2: White balance gain - COEF 2 (U8Q5).
508 * @coef1: White balance gain - COEF 1 (U8Q5).
509 * @coef0: White balance gain - COEF 0 (U8Q5).
510 */
511struct omap3isp_prev_wbal {
512 __u16 dgain;
513 __u8 coef3;
514 __u8 coef2;
515 __u8 coef1;
516 __u8 coef0;
517};
518
519/**
520 * struct omap3isp_prev_blkadj - Black Level Adjustment
521 * @red: Black level offset adjustment for Red in 2's complement format
522 * @green: Black level offset adjustment for Green in 2's complement format
523 * @blue: Black level offset adjustment for Blue in 2's complement format
524 */
525struct omap3isp_prev_blkadj {
526 /*Black level offset adjustment for Red in 2's complement format */
527 __u8 red;
528 /*Black level offset adjustment for Green in 2's complement format */
529 __u8 green;
530 /* Black level offset adjustment for Blue in 2's complement format */
531 __u8 blue;
532};
533
534/**
535 * struct omap3isp_prev_rgbtorgb - RGB to RGB Blending
536 * @matrix: Blending values(S12Q8 format)
537 * [RR] [GR] [BR]
538 * [RG] [GG] [BG]
539 * [RB] [GB] [BB]
540 * @offset: Blending offset value for R,G,B in 2's complement integer format.
541 */
542struct omap3isp_prev_rgbtorgb {
543 __u16 matrix[OMAP3ISP_RGB_MAX][OMAP3ISP_RGB_MAX];
544 __u16 offset[OMAP3ISP_RGB_MAX];
545};
546
547/**
548 * struct omap3isp_prev_csc - Color Space Conversion from RGB-YCbYCr
549 * @matrix: Color space conversion coefficients(S10Q8)
550 * [CSCRY] [CSCGY] [CSCBY]
551 * [CSCRCB] [CSCGCB] [CSCBCB]
552 * [CSCRCR] [CSCGCR] [CSCBCR]
553 * @offset: CSC offset values for Y offset, CB offset and CR offset respectively
554 */
555struct omap3isp_prev_csc {
556 __u16 matrix[OMAP3ISP_RGB_MAX][OMAP3ISP_RGB_MAX];
557 __s16 offset[OMAP3ISP_RGB_MAX];
558};
559
560/**
561 * struct omap3isp_prev_yclimit - Y, C Value Limit
562 * @minC: Minimum C value
563 * @maxC: Maximum C value
564 * @minY: Minimum Y value
565 * @maxY: Maximum Y value
566 */
567struct omap3isp_prev_yclimit {
568 __u8 minC;
569 __u8 maxC;
570 __u8 minY;
571 __u8 maxY;
572};
573
574/**
575 * struct omap3isp_prev_dcor - Defect correction
576 * @couplet_mode_en: Flag to enable or disable the couplet dc Correction in NF
577 * @detect_correct: Thresholds for correction bit 0:10 detect 16:25 correct
578 */
579struct omap3isp_prev_dcor {
580 __u8 couplet_mode_en;
581 __u32 detect_correct[OMAP3ISP_PREV_DETECT_CORRECT_CHANNELS];
582};
583
584/**
585 * struct omap3isp_prev_nf - Noise Filter
586 * @spread: Spread value to be used in Noise Filter
587 * @table: Pointer to the Noise Filter table
588 */
589struct omap3isp_prev_nf {
590 __u8 spread;
591 __u32 table[OMAP3ISP_PREV_NF_TBL_SIZE];
592};
593
594/**
595 * struct omap3isp_prev_gtables - Gamma correction tables
596 * @red: Array for red gamma table.
597 * @green: Array for green gamma table.
598 * @blue: Array for blue gamma table.
599 */
600struct omap3isp_prev_gtables {
601 __u32 red[OMAP3ISP_PREV_GAMMA_TBL_SIZE];
602 __u32 green[OMAP3ISP_PREV_GAMMA_TBL_SIZE];
603 __u32 blue[OMAP3ISP_PREV_GAMMA_TBL_SIZE];
604};
605
606/**
607 * struct omap3isp_prev_luma - Luma enhancement
608 * @table: Array for luma enhancement table.
609 */
610struct omap3isp_prev_luma {
611 __u32 table[OMAP3ISP_PREV_YENH_TBL_SIZE];
612};
613
614/**
615 * struct omap3isp_prev_update_config - Preview engine configuration (user)
616 * @update: Specifies which ISP Preview registers should be updated.
617 * @flag: Specifies which ISP Preview functions should be enabled.
618 * @shading_shift: 3bit value of shift used in shading compensation.
619 * @luma: Pointer to luma enhancement structure.
620 * @hmed: Pointer to structure containing the odd and even distance.
621 * between the pixels in the image along with the filter threshold.
622 * @cfa: Pointer to structure containing the CFA interpolation table, CFA.
623 * format in the image, vertical and horizontal gradient threshold.
624 * @csup: Pointer to Structure for Chrominance Suppression coefficients.
625 * @wbal: Pointer to structure for White Balance.
626 * @blkadj: Pointer to structure for Black Adjustment.
627 * @rgb2rgb: Pointer to structure for RGB to RGB Blending.
628 * @csc: Pointer to structure for Color Space Conversion from RGB-YCbYCr.
629 * @yclimit: Pointer to structure for Y, C Value Limit.
630 * @dcor: Pointer to structure for defect correction.
631 * @nf: Pointer to structure for Noise Filter
632 * @gamma: Pointer to gamma structure.
633 */
634struct omap3isp_prev_update_config {
635 __u32 update;
636 __u32 flag;
637 __u32 shading_shift;
638 struct omap3isp_prev_luma *luma;
639 struct omap3isp_prev_hmed *hmed;
640 struct omap3isp_prev_cfa *cfa;
641 struct omap3isp_prev_csup *csup;
642 struct omap3isp_prev_wbal *wbal;
643 struct omap3isp_prev_blkadj *blkadj;
644 struct omap3isp_prev_rgbtorgb *rgb2rgb;
645 struct omap3isp_prev_csc *csc;
646 struct omap3isp_prev_yclimit *yclimit;
647 struct omap3isp_prev_dcor *dcor;
648 struct omap3isp_prev_nf *nf;
649 struct omap3isp_prev_gtables *gamma;
650};
651
652#endif /* OMAP3_ISP_USER_H */