blob: c090cf9249bb68b6d1bcf1dec4d8e70f63e03137 [file] [log] [blame]
Sakari Ailus448de7e2011-02-12 18:05:06 -03001/*
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>
Michael Jonesbc7892c22012-07-26 11:31:51 -030031#include <linux/videodev2.h>
Sakari Ailus448de7e2011-02-12 18:05:06 -030032
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
Sakari Ailus448de7e2011-02-12 18:05:06 -030066 */
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)
Sakari Ailus448de7e2011-02-12 18:05:06 -030072
73struct 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 */
134struct 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 */
166struct 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
205struct omap3isp_hist_region {
206 __u16 h_start;
207 __u16 h_end;
208 __u16 v_start;
209 __u16 v_end;
210};
211
212struct 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
234enum 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 */
240enum 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 */
250struct omap3isp_h3a_af_hmf {
251 __u8 enable; /* Status of Horizontal Median Filter */
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300252 __u8 threshold; /* Threshold Value for Horizontal Median Filter */
Sakari Ailus448de7e2011-02-12 18:05:06 -0300253};
254
255/* Contains the information regarding the IIR Filters */
256struct 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 */
263struct 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 */
274struct 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 */
306enum 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 */
330struct 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 */
352struct 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 */
365struct 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 */
377struct 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 */
390struct 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 */
407struct 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)
Laurent Pinchartac9dad92012-07-06 09:12:44 -0300431/* Bit 11 was OMAP3ISP_PREV_GAMMABYPASS, now merged with OMAP3ISP_PREV_GAMMA */
Sakari Ailus448de7e2011-02-12 18:05:06 -0300432#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
Laurent Pinchart6fd206c2012-06-18 11:24:48 -0300440#define OMAP3ISP_PREV_CFA_BLK_SIZE (OMAP3ISP_PREV_CFA_TBL_SIZE / 4)
Sakari Ailus448de7e2011-02-12 18:05:06 -0300441#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 */
453struct omap3isp_prev_hmed {
454 __u8 odddist;
455 __u8 evendist;
456 __u8 thres;
457};
458
459/*
460 * Enumeration for CFA Formats supported by preview
461 */
462enum 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 */
478struct omap3isp_prev_cfa {
479 enum omap3isp_cfa_fmt format;
480 __u8 gradthrs_vert;
481 __u8 gradthrs_horz;
Laurent Pinchart6fd206c2012-06-18 11:24:48 -0300482 __u32 table[4][OMAP3ISP_PREV_CFA_BLK_SIZE];
Sakari Ailus448de7e2011-02-12 18:05:06 -0300483};
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 */
491struct 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 */
505struct 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 */
519struct 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 */
536struct 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 */
549struct 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 */
561struct 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 */
573struct 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 */
583struct 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 */
594struct 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 */
604struct 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 */
628struct 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 */