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/*
* omap3isp.h
*
* TI OMAP3 ISP - User-space API
*
* Copyright (C) 2010 Nokia Corporation
* Copyright (C) 2009 Texas Instruments, Inc.
*
* Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
* Sakari Ailus <sakari.ailus@iki.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef OMAP3_ISP_USER_H
#define OMAP3_ISP_USER_H
#include <linux/types.h>
/*
* Private IOCTLs
*
* VIDIOC_OMAP3ISP_CCDC_CFG: Set CCDC configuration
* VIDIOC_OMAP3ISP_PRV_CFG: Set preview engine configuration
* VIDIOC_OMAP3ISP_AEWB_CFG: Set AEWB module configuration
* VIDIOC_OMAP3ISP_HIST_CFG: Set histogram module configuration
* VIDIOC_OMAP3ISP_AF_CFG: Set auto-focus module configuration
* VIDIOC_OMAP3ISP_STAT_REQ: Read statistics (AEWB/AF/histogram) data
* VIDIOC_OMAP3ISP_STAT_EN: Enable/disable a statistics module
*/
#define VIDIOC_OMAP3ISP_CCDC_CFG \
_IOWR('V', BASE_VIDIOC_PRIVATE + 1, struct omap3isp_ccdc_update_config)
#define VIDIOC_OMAP3ISP_PRV_CFG \
_IOWR('V', BASE_VIDIOC_PRIVATE + 2, struct omap3isp_prev_update_config)
#define VIDIOC_OMAP3ISP_AEWB_CFG \
_IOWR('V', BASE_VIDIOC_PRIVATE + 3, struct omap3isp_h3a_aewb_config)
#define VIDIOC_OMAP3ISP_HIST_CFG \
_IOWR('V', BASE_VIDIOC_PRIVATE + 4, struct omap3isp_hist_config)
#define VIDIOC_OMAP3ISP_AF_CFG \
_IOWR('V', BASE_VIDIOC_PRIVATE + 5, struct omap3isp_h3a_af_config)
#define VIDIOC_OMAP3ISP_STAT_REQ \
_IOWR('V', BASE_VIDIOC_PRIVATE + 6, struct omap3isp_stat_data)
#define VIDIOC_OMAP3ISP_STAT_EN \
_IOWR('V', BASE_VIDIOC_PRIVATE + 7, unsigned long)
/*
* Events
*
* V4L2_EVENT_OMAP3ISP_AEWB: AEWB statistics data ready
* V4L2_EVENT_OMAP3ISP_AF: AF statistics data ready
* V4L2_EVENT_OMAP3ISP_HIST: Histogram statistics data ready
* V4L2_EVENT_OMAP3ISP_HS_VS: Horizontal/vertical synchronization detected
*/
#define V4L2_EVENT_OMAP3ISP_CLASS (V4L2_EVENT_PRIVATE_START | 0x100)
#define V4L2_EVENT_OMAP3ISP_AEWB (V4L2_EVENT_OMAP3ISP_CLASS | 0x1)
#define V4L2_EVENT_OMAP3ISP_AF (V4L2_EVENT_OMAP3ISP_CLASS | 0x2)
#define V4L2_EVENT_OMAP3ISP_HIST (V4L2_EVENT_OMAP3ISP_CLASS | 0x3)
#define V4L2_EVENT_OMAP3ISP_HS_VS (V4L2_EVENT_OMAP3ISP_CLASS | 0x4)
struct omap3isp_stat_event_status {
__u32 frame_number;
__u16 config_counter;
__u8 buf_err;
};
/* AE/AWB related structures and flags*/
/* H3A Range Constants */
#define OMAP3ISP_AEWB_MAX_SATURATION_LIM 1023
#define OMAP3ISP_AEWB_MIN_WIN_H 2
#define OMAP3ISP_AEWB_MAX_WIN_H 256
#define OMAP3ISP_AEWB_MIN_WIN_W 6
#define OMAP3ISP_AEWB_MAX_WIN_W 256
#define OMAP3ISP_AEWB_MIN_WINVC 1
#define OMAP3ISP_AEWB_MIN_WINHC 1
#define OMAP3ISP_AEWB_MAX_WINVC 128
#define OMAP3ISP_AEWB_MAX_WINHC 36
#define OMAP3ISP_AEWB_MAX_WINSTART 4095
#define OMAP3ISP_AEWB_MIN_SUB_INC 2
#define OMAP3ISP_AEWB_MAX_SUB_INC 32
#define OMAP3ISP_AEWB_MAX_BUF_SIZE 83600
#define OMAP3ISP_AF_IIRSH_MIN 0
#define OMAP3ISP_AF_IIRSH_MAX 4095
#define OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MIN 1
#define OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MAX 36
#define OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MIN 1
#define OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MAX 128
#define OMAP3ISP_AF_PAXEL_INCREMENT_MIN 2
#define OMAP3ISP_AF_PAXEL_INCREMENT_MAX 32
#define OMAP3ISP_AF_PAXEL_HEIGHT_MIN 2
#define OMAP3ISP_AF_PAXEL_HEIGHT_MAX 256
#define OMAP3ISP_AF_PAXEL_WIDTH_MIN 16
#define OMAP3ISP_AF_PAXEL_WIDTH_MAX 256
#define OMAP3ISP_AF_PAXEL_HZSTART_MIN 1
#define OMAP3ISP_AF_PAXEL_HZSTART_MAX 4095
#define OMAP3ISP_AF_PAXEL_VTSTART_MIN 0
#define OMAP3ISP_AF_PAXEL_VTSTART_MAX 4095
#define OMAP3ISP_AF_THRESHOLD_MAX 255
#define OMAP3ISP_AF_COEF_MAX 4095
#define OMAP3ISP_AF_PAXEL_SIZE 48
#define OMAP3ISP_AF_MAX_BUF_SIZE 221184
/**
* struct omap3isp_h3a_aewb_config - AE AWB configuration reset values
* saturation_limit: Saturation limit.
* @win_height: Window Height. Range 2 - 256, even values only.
* @win_width: Window Width. Range 6 - 256, even values only.
* @ver_win_count: Vertical Window Count. Range 1 - 128.
* @hor_win_count: Horizontal Window Count. Range 1 - 36.
* @ver_win_start: Vertical Window Start. Range 0 - 4095.
* @hor_win_start: Horizontal Window Start. Range 0 - 4095.
* @blk_ver_win_start: Black Vertical Windows Start. Range 0 - 4095.
* @blk_win_height: Black Window Height. Range 2 - 256, even values only.
* @subsample_ver_inc: Subsample Vertical points increment Range 2 - 32, even
* values only.
* @subsample_hor_inc: Subsample Horizontal points increment Range 2 - 32, even
* values only.
* @alaw_enable: AEW ALAW EN flag.
*/
struct omap3isp_h3a_aewb_config {
/*
* Common fields.
* They should be the first ones and must be in the same order as in
* ispstat_generic_config struct.
*/
__u32 buf_size;
__u16 config_counter;
/* Private fields */
__u16 saturation_limit;
__u16 win_height;
__u16 win_width;
__u16 ver_win_count;
__u16 hor_win_count;
__u16 ver_win_start;
__u16 hor_win_start;
__u16 blk_ver_win_start;
__u16 blk_win_height;
__u16 subsample_ver_inc;
__u16 subsample_hor_inc;
__u8 alaw_enable;
};
/**
* struct omap3isp_stat_data - Statistic data sent to or received from user
* @ts: Timestamp of returned framestats.
* @buf: Pointer to pass to user.
* @frame_number: Frame number of requested stats.
* @cur_frame: Current frame number being processed.
* @config_counter: Number of the configuration associated with the data.
*/
struct omap3isp_stat_data {
struct timeval ts;
void *buf;
__u32 buf_size;
__u16 frame_number;
__u16 cur_frame;
__u16 config_counter;
};
/* Histogram related structs */
/* Flags for number of bins */
#define OMAP3ISP_HIST_BINS_32 0
#define OMAP3ISP_HIST_BINS_64 1
#define OMAP3ISP_HIST_BINS_128 2
#define OMAP3ISP_HIST_BINS_256 3
/* Number of bins * 4 colors * 4-bytes word */
#define OMAP3ISP_HIST_MEM_SIZE_BINS(n) ((1 << ((n)+5))*4*4)
#define OMAP3ISP_HIST_MEM_SIZE 1024
#define OMAP3ISP_HIST_MIN_REGIONS 1
#define OMAP3ISP_HIST_MAX_REGIONS 4
#define OMAP3ISP_HIST_MAX_WB_GAIN 255
#define OMAP3ISP_HIST_MIN_WB_GAIN 0
#define OMAP3ISP_HIST_MAX_BIT_WIDTH 14
#define OMAP3ISP_HIST_MIN_BIT_WIDTH 8
#define OMAP3ISP_HIST_MAX_WG 4
#define OMAP3ISP_HIST_MAX_BUF_SIZE 4096
/* Source */
#define OMAP3ISP_HIST_SOURCE_CCDC 0
#define OMAP3ISP_HIST_SOURCE_MEM 1
/* CFA pattern */
#define OMAP3ISP_HIST_CFA_BAYER 0
#define OMAP3ISP_HIST_CFA_FOVEONX3 1
struct omap3isp_hist_region {
__u16 h_start;
__u16 h_end;
__u16 v_start;
__u16 v_end;
};
struct omap3isp_hist_config {
/*
* Common fields.
* They should be the first ones and must be in the same order as in
* ispstat_generic_config struct.
*/
__u32 buf_size;
__u16 config_counter;
__u8 num_acc_frames; /* Num of image frames to be processed and
accumulated for each histogram frame */
__u16 hist_bins; /* number of bins: 32, 64, 128, or 256 */
__u8 cfa; /* BAYER or FOVEON X3 */
__u8 wg[OMAP3ISP_HIST_MAX_WG]; /* White Balance Gain */
__u8 num_regions; /* number of regions to be configured */
struct omap3isp_hist_region region[OMAP3ISP_HIST_MAX_REGIONS];
};
/* Auto Focus related structs */
#define OMAP3ISP_AF_NUM_COEF 11
enum omap3isp_h3a_af_fvmode {
OMAP3ISP_AF_MODE_SUMMED = 0,
OMAP3ISP_AF_MODE_PEAK = 1
};
/* Red, Green, and blue pixel location in the AF windows */
enum omap3isp_h3a_af_rgbpos {
OMAP3ISP_AF_GR_GB_BAYER = 0, /* GR and GB as Bayer pattern */
OMAP3ISP_AF_RG_GB_BAYER = 1, /* RG and GB as Bayer pattern */
OMAP3ISP_AF_GR_BG_BAYER = 2, /* GR and BG as Bayer pattern */
OMAP3ISP_AF_RG_BG_BAYER = 3, /* RG and BG as Bayer pattern */
OMAP3ISP_AF_GG_RB_CUSTOM = 4, /* GG and RB as custom pattern */
OMAP3ISP_AF_RB_GG_CUSTOM = 5 /* RB and GG as custom pattern */
};
/* Contains the information regarding the Horizontal Median Filter */
struct omap3isp_h3a_af_hmf {
__u8 enable; /* Status of Horizontal Median Filter */
__u8 threshold; /* Threshold Value for Horizontal Median Filter */
};
/* Contains the information regarding the IIR Filters */
struct omap3isp_h3a_af_iir {
__u16 h_start; /* IIR horizontal start */
__u16 coeff_set0[OMAP3ISP_AF_NUM_COEF]; /* Filter coefficient, set 0 */
__u16 coeff_set1[OMAP3ISP_AF_NUM_COEF]; /* Filter coefficient, set 1 */
};
/* Contains the information regarding the Paxels Structure in AF Engine */
struct omap3isp_h3a_af_paxel {
__u16 h_start; /* Horizontal Start Position */
__u16 v_start; /* Vertical Start Position */
__u8 width; /* Width of the Paxel */
__u8 height; /* Height of the Paxel */
__u8 h_cnt; /* Horizontal Count */
__u8 v_cnt; /* vertical Count */
__u8 line_inc; /* Line Increment */
};
/* Contains the parameters required for hardware set up of AF Engine */
struct omap3isp_h3a_af_config {
/*
* Common fields.
* They should be the first ones and must be in the same order as in
* ispstat_generic_config struct.
*/
__u32 buf_size;
__u16 config_counter;
struct omap3isp_h3a_af_hmf hmf; /* HMF configurations */
struct omap3isp_h3a_af_iir iir; /* IIR filter configurations */
struct omap3isp_h3a_af_paxel paxel; /* Paxel parameters */
enum omap3isp_h3a_af_rgbpos rgb_pos; /* RGB Positions */
enum omap3isp_h3a_af_fvmode fvmode; /* Accumulator mode */
__u8 alaw_enable; /* AF ALAW status */
};
/* ISP CCDC structs */
/* Abstraction layer CCDC configurations */
#define OMAP3ISP_CCDC_ALAW (1 << 0)
#define OMAP3ISP_CCDC_LPF (1 << 1)
#define OMAP3ISP_CCDC_BLCLAMP (1 << 2)
#define OMAP3ISP_CCDC_BCOMP (1 << 3)
#define OMAP3ISP_CCDC_FPC (1 << 4)
#define OMAP3ISP_CCDC_CULL (1 << 5)
#define OMAP3ISP_CCDC_CONFIG_LSC (1 << 7)
#define OMAP3ISP_CCDC_TBL_LSC (1 << 8)
#define OMAP3ISP_RGB_MAX 3
/* Enumeration constants for Alaw input width */
enum omap3isp_alaw_ipwidth {
OMAP3ISP_ALAW_BIT12_3 = 0x3,
OMAP3ISP_ALAW_BIT11_2 = 0x4,
OMAP3ISP_ALAW_BIT10_1 = 0x5,
OMAP3ISP_ALAW_BIT9_0 = 0x6
};
/**
* struct omap3isp_ccdc_lsc_config - LSC configuration
* @offset: Table Offset of the gain table.
* @gain_mode_n: Vertical dimension of a paxel in LSC configuration.
* @gain_mode_m: Horizontal dimension of a paxel in LSC configuration.
* @gain_format: Gain table format.
* @fmtsph: Start pixel horizontal from start of the HS sync pulse.
* @fmtlnh: Number of pixels in horizontal direction to use for the data
* reformatter.
* @fmtslv: Start line from start of VS sync pulse for the data reformatter.
* @fmtlnv: Number of lines in vertical direction for the data reformatter.
* @initial_x: X position, in pixels, of the first active pixel in reference
* to the first active paxel. Must be an even number.
* @initial_y: Y position, in pixels, of the first active pixel in reference
* to the first active paxel. Must be an even number.
* @size: Size of LSC gain table. Filled when loaded from userspace.
*/
struct omap3isp_ccdc_lsc_config {
__u16 offset;
__u8 gain_mode_n;
__u8 gain_mode_m;
__u8 gain_format;
__u16 fmtsph;
__u16 fmtlnh;
__u16 fmtslv;
__u16 fmtlnv;
__u8 initial_x;
__u8 initial_y;
__u32 size;
};
/**
* struct omap3isp_ccdc_bclamp - Optical & Digital black clamp subtract
* @obgain: Optical black average gain.
* @obstpixel: Start Pixel w.r.t. HS pulse in Optical black sample.
* @oblines: Optical Black Sample lines.
* @oblen: Optical Black Sample Length.
* @dcsubval: Digital Black Clamp subtract value.
*/
struct omap3isp_ccdc_bclamp {
__u8 obgain;
__u8 obstpixel;
__u8 oblines;
__u8 oblen;
__u16 dcsubval;
};
/**
* struct omap3isp_ccdc_fpc - Faulty Pixels Correction
* @fpnum: Number of faulty pixels to be corrected in the frame.
* @fpcaddr: Memory address of the FPC Table
*/
struct omap3isp_ccdc_fpc {
__u16 fpnum;
__u32 fpcaddr;
};
/**
* struct omap3isp_ccdc_blcomp - Black Level Compensation parameters
* @b_mg: B/Mg pixels. 2's complement. -128 to +127.
* @gb_g: Gb/G pixels. 2's complement. -128 to +127.
* @gr_cy: Gr/Cy pixels. 2's complement. -128 to +127.
* @r_ye: R/Ye pixels. 2's complement. -128 to +127.
*/
struct omap3isp_ccdc_blcomp {
__u8 b_mg;
__u8 gb_g;
__u8 gr_cy;
__u8 r_ye;
};
/**
* omap3isp_ccdc_culling - Culling parameters
* @v_pattern: Vertical culling pattern.
* @h_odd: Horizontal Culling pattern for odd lines.
* @h_even: Horizontal Culling pattern for even lines.
*/
struct omap3isp_ccdc_culling {
__u8 v_pattern;
__u16 h_odd;
__u16 h_even;
};
/**
* omap3isp_ccdc_update_config - CCDC configuration
* @update: Specifies which CCDC registers should be updated.
* @flag: Specifies which CCDC functions should be enabled.
* @alawip: Enable/Disable A-Law compression.
* @bclamp: Black clamp control register.
* @blcomp: Black level compensation value for RGrGbB Pixels. 2's complement.
* @fpc: Number of faulty pixels corrected in the frame, address of FPC table.
* @cull: Cull control register.
* @lsc: Pointer to LSC gain table.
*/
struct omap3isp_ccdc_update_config {
__u16 update;
__u16 flag;
enum omap3isp_alaw_ipwidth alawip;
struct omap3isp_ccdc_bclamp *bclamp;
struct omap3isp_ccdc_blcomp *blcomp;
struct omap3isp_ccdc_fpc *fpc;
struct omap3isp_ccdc_lsc_config *lsc_cfg;
struct omap3isp_ccdc_culling *cull;
__u8 *lsc;
};
/* Preview configurations */
#define OMAP3ISP_PREV_LUMAENH (1 << 0)
#define OMAP3ISP_PREV_INVALAW (1 << 1)
#define OMAP3ISP_PREV_HRZ_MED (1 << 2)
#define OMAP3ISP_PREV_CFA (1 << 3)
#define OMAP3ISP_PREV_CHROMA_SUPP (1 << 4)
#define OMAP3ISP_PREV_WB (1 << 5)
#define OMAP3ISP_PREV_BLKADJ (1 << 6)
#define OMAP3ISP_PREV_RGB2RGB (1 << 7)
#define OMAP3ISP_PREV_COLOR_CONV (1 << 8)
#define OMAP3ISP_PREV_YC_LIMIT (1 << 9)
#define OMAP3ISP_PREV_DEFECT_COR (1 << 10)
#define OMAP3ISP_PREV_GAMMABYPASS (1 << 11)
#define OMAP3ISP_PREV_DRK_FRM_CAPTURE (1 << 12)
#define OMAP3ISP_PREV_DRK_FRM_SUBTRACT (1 << 13)
#define OMAP3ISP_PREV_LENS_SHADING (1 << 14)
#define OMAP3ISP_PREV_NF (1 << 15)
#define OMAP3ISP_PREV_GAMMA (1 << 16)
#define OMAP3ISP_PREV_NF_TBL_SIZE 64
#define OMAP3ISP_PREV_CFA_TBL_SIZE 576
#define OMAP3ISP_PREV_GAMMA_TBL_SIZE 1024
#define OMAP3ISP_PREV_YENH_TBL_SIZE 128
#define OMAP3ISP_PREV_DETECT_CORRECT_CHANNELS 4
/**
* struct omap3isp_prev_hmed - Horizontal Median Filter
* @odddist: Distance between consecutive pixels of same color in the odd line.
* @evendist: Distance between consecutive pixels of same color in the even
* line.
* @thres: Horizontal median filter threshold.
*/
struct omap3isp_prev_hmed {
__u8 odddist;
__u8 evendist;
__u8 thres;
};
/*
* Enumeration for CFA Formats supported by preview
*/
enum omap3isp_cfa_fmt {
OMAP3ISP_CFAFMT_BAYER,
OMAP3ISP_CFAFMT_SONYVGA,
OMAP3ISP_CFAFMT_RGBFOVEON,
OMAP3ISP_CFAFMT_DNSPL,
OMAP3ISP_CFAFMT_HONEYCOMB,
OMAP3ISP_CFAFMT_RRGGBBFOVEON
};
/**
* struct omap3isp_prev_cfa - CFA Interpolation
* @format: CFA Format Enum value supported by preview.
* @gradthrs_vert: CFA Gradient Threshold - Vertical.
* @gradthrs_horz: CFA Gradient Threshold - Horizontal.
* @table: Pointer to the CFA table.
*/
struct omap3isp_prev_cfa {
enum omap3isp_cfa_fmt format;
__u8 gradthrs_vert;
__u8 gradthrs_horz;
__u32 table[OMAP3ISP_PREV_CFA_TBL_SIZE];
};
/**
* struct omap3isp_prev_csup - Chrominance Suppression
* @gain: Gain.
* @thres: Threshold.
* @hypf_en: Flag to enable/disable the High Pass Filter.
*/
struct omap3isp_prev_csup {
__u8 gain;
__u8 thres;
__u8 hypf_en;
};
/**
* struct omap3isp_prev_wbal - White Balance
* @dgain: Digital gain (U10Q8).
* @coef3: White balance gain - COEF 3 (U8Q5).
* @coef2: White balance gain - COEF 2 (U8Q5).
* @coef1: White balance gain - COEF 1 (U8Q5).
* @coef0: White balance gain - COEF 0 (U8Q5).
*/
struct omap3isp_prev_wbal {
__u16 dgain;
__u8 coef3;
__u8 coef2;
__u8 coef1;
__u8 coef0;
};
/**
* struct omap3isp_prev_blkadj - Black Level Adjustment
* @red: Black level offset adjustment for Red in 2's complement format
* @green: Black level offset adjustment for Green in 2's complement format
* @blue: Black level offset adjustment for Blue in 2's complement format
*/
struct omap3isp_prev_blkadj {
/*Black level offset adjustment for Red in 2's complement format */
__u8 red;
/*Black level offset adjustment for Green in 2's complement format */
__u8 green;
/* Black level offset adjustment for Blue in 2's complement format */
__u8 blue;
};
/**
* struct omap3isp_prev_rgbtorgb - RGB to RGB Blending
* @matrix: Blending values(S12Q8 format)
* [RR] [GR] [BR]
* [RG] [GG] [BG]
* [RB] [GB] [BB]
* @offset: Blending offset value for R,G,B in 2's complement integer format.
*/
struct omap3isp_prev_rgbtorgb {
__u16 matrix[OMAP3ISP_RGB_MAX][OMAP3ISP_RGB_MAX];
__u16 offset[OMAP3ISP_RGB_MAX];
};
/**
* struct omap3isp_prev_csc - Color Space Conversion from RGB-YCbYCr
* @matrix: Color space conversion coefficients(S10Q8)
* [CSCRY] [CSCGY] [CSCBY]
* [CSCRCB] [CSCGCB] [CSCBCB]
* [CSCRCR] [CSCGCR] [CSCBCR]
* @offset: CSC offset values for Y offset, CB offset and CR offset respectively
*/
struct omap3isp_prev_csc {
__u16 matrix[OMAP3ISP_RGB_MAX][OMAP3ISP_RGB_MAX];
__s16 offset[OMAP3ISP_RGB_MAX];
};
/**
* struct omap3isp_prev_yclimit - Y, C Value Limit
* @minC: Minimum C value
* @maxC: Maximum C value
* @minY: Minimum Y value
* @maxY: Maximum Y value
*/
struct omap3isp_prev_yclimit {
__u8 minC;
__u8 maxC;
__u8 minY;
__u8 maxY;
};
/**
* struct omap3isp_prev_dcor - Defect correction
* @couplet_mode_en: Flag to enable or disable the couplet dc Correction in NF
* @detect_correct: Thresholds for correction bit 0:10 detect 16:25 correct
*/
struct omap3isp_prev_dcor {
__u8 couplet_mode_en;
__u32 detect_correct[OMAP3ISP_PREV_DETECT_CORRECT_CHANNELS];
};
/**
* struct omap3isp_prev_nf - Noise Filter
* @spread: Spread value to be used in Noise Filter
* @table: Pointer to the Noise Filter table
*/
struct omap3isp_prev_nf {
__u8 spread;
__u32 table[OMAP3ISP_PREV_NF_TBL_SIZE];
};
/**
* struct omap3isp_prev_gtables - Gamma correction tables
* @red: Array for red gamma table.
* @green: Array for green gamma table.
* @blue: Array for blue gamma table.
*/
struct omap3isp_prev_gtables {
__u32 red[OMAP3ISP_PREV_GAMMA_TBL_SIZE];
__u32 green[OMAP3ISP_PREV_GAMMA_TBL_SIZE];
__u32 blue[OMAP3ISP_PREV_GAMMA_TBL_SIZE];
};
/**
* struct omap3isp_prev_luma - Luma enhancement
* @table: Array for luma enhancement table.
*/
struct omap3isp_prev_luma {
__u32 table[OMAP3ISP_PREV_YENH_TBL_SIZE];
};
/**
* struct omap3isp_prev_update_config - Preview engine configuration (user)
* @update: Specifies which ISP Preview registers should be updated.
* @flag: Specifies which ISP Preview functions should be enabled.
* @shading_shift: 3bit value of shift used in shading compensation.
* @luma: Pointer to luma enhancement structure.
* @hmed: Pointer to structure containing the odd and even distance.
* between the pixels in the image along with the filter threshold.
* @cfa: Pointer to structure containing the CFA interpolation table, CFA.
* format in the image, vertical and horizontal gradient threshold.
* @csup: Pointer to Structure for Chrominance Suppression coefficients.
* @wbal: Pointer to structure for White Balance.
* @blkadj: Pointer to structure for Black Adjustment.
* @rgb2rgb: Pointer to structure for RGB to RGB Blending.
* @csc: Pointer to structure for Color Space Conversion from RGB-YCbYCr.
* @yclimit: Pointer to structure for Y, C Value Limit.
* @dcor: Pointer to structure for defect correction.
* @nf: Pointer to structure for Noise Filter
* @gamma: Pointer to gamma structure.
*/
struct omap3isp_prev_update_config {
__u32 update;
__u32 flag;
__u32 shading_shift;
struct omap3isp_prev_luma *luma;
struct omap3isp_prev_hmed *hmed;
struct omap3isp_prev_cfa *cfa;
struct omap3isp_prev_csup *csup;
struct omap3isp_prev_wbal *wbal;
struct omap3isp_prev_blkadj *blkadj;
struct omap3isp_prev_rgbtorgb *rgb2rgb;
struct omap3isp_prev_csc *csc;
struct omap3isp_prev_yclimit *yclimit;
struct omap3isp_prev_dcor *dcor;
struct omap3isp_prev_nf *nf;
struct omap3isp_prev_gtables *gamma;
};
#endif /* OMAP3_ISP_USER_H */
