path: root/meta/packages/linux/linux-omap-2.6.29/isp/omap3camera/0003-omap3isp-Add-userspace-header.patch

From 98ca1ef8c6e2561989aeef981131cf5077eab1d1 Mon Sep 17 00:00:00 2001
From: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Date: Tue, 10 Mar 2009 10:49:02 +0200
Subject: [PATCH] omap3isp: Add userspace header

Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
---
 arch/arm/plat-omap/include/mach/isp_user.h |  676 ++++++++++++++++++++++++++++
 1 files changed, 676 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/plat-omap/include/mach/isp_user.h

diff --git a/arch/arm/plat-omap/include/mach/isp_user.h b/arch/arm/plat-omap/include/mach/isp_user.h
new file mode 100644
index 0000000..b819e26
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/isp_user.h
@@ -0,0 +1,676 @@
+/*
+ * isp_user.h
+ *
+ * Include file for OMAP ISP module in TI's OMAP3.
+ *
+ * Copyright (C) 2009 Texas Instruments, Inc.
+ *
+ * Contributors:
+ *	Mohit Jalori <mjalori@ti.com>
+ *	Sergio Aguirre <saaguirre@ti.com>
+ *
+ * This package 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 PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef OMAP_ISP_USER_H
+#define OMAP_ISP_USER_H
+
+/* ISP Private IOCTLs */
+#define VIDIOC_PRIVATE_ISP_CCDC_CFG	\
+	_IOWR('V', BASE_VIDIOC_PRIVATE + 1, struct ispccdc_update_config)
+#define VIDIOC_PRIVATE_ISP_PRV_CFG \
+	_IOWR('V', BASE_VIDIOC_PRIVATE + 2, struct ispprv_update_config)
+#define VIDIOC_PRIVATE_ISP_AEWB_CFG \
+	_IOWR('V', BASE_VIDIOC_PRIVATE + 4, struct isph3a_aewb_config)
+#define VIDIOC_PRIVATE_ISP_AEWB_REQ \
+	_IOWR('V', BASE_VIDIOC_PRIVATE + 5, struct isph3a_aewb_data)
+#define VIDIOC_PRIVATE_ISP_HIST_CFG \
+	_IOWR('V', BASE_VIDIOC_PRIVATE + 6, struct isp_hist_config)
+#define VIDIOC_PRIVATE_ISP_HIST_REQ \
+	_IOWR('V', BASE_VIDIOC_PRIVATE + 7, struct isp_hist_data)
+#define VIDIOC_PRIVATE_ISP_AF_CFG \
+	_IOWR('V', BASE_VIDIOC_PRIVATE + 8, struct af_configuration)
+#define VIDIOC_PRIVATE_ISP_AF_REQ \
+	_IOWR('V', BASE_VIDIOC_PRIVATE + 9, struct isp_af_data)
+
+/* AE/AWB related structures and flags*/
+
+/* Flags for update field */
+#define REQUEST_STATISTICS	(1 << 0)
+#define SET_COLOR_GAINS		(1 << 1)
+#define SET_DIGITAL_GAIN	(1 << 2)
+#define SET_EXPOSURE		(1 << 3)
+#define SET_ANALOG_GAIN		(1 << 4)
+
+#define MAX_FRAME_COUNT		0x0FFF
+#define MAX_FUTURE_FRAMES	10
+
+#define MAX_SATURATION_LIM	1023
+#define MIN_WIN_H		2
+#define MAX_WIN_H		256
+#define MIN_WIN_W		6
+#define MAX_WIN_W		256
+#define MAX_WINVC		128
+#define MAX_WINHC		36
+#define MAX_WINSTART		4095
+#define MIN_SUB_INC		2
+#define MAX_SUB_INC		32
+
+/* Range Constants */
+#define AF_IIRSH_MIN			0
+#define AF_IIRSH_MAX			4094
+#define AF_PAXEL_HORIZONTAL_COUNT_MIN	0
+#define AF_PAXEL_HORIZONTAL_COUNT_MAX	35
+#define AF_PAXEL_VERTICAL_COUNT_MIN	0
+#define AF_PAXEL_VERTICAL_COUNT_MAX	127
+#define AF_PAXEL_INCREMENT_MIN		0
+#define AF_PAXEL_INCREMENT_MAX		14
+#define AF_PAXEL_HEIGHT_MIN		0
+#define AF_PAXEL_HEIGHT_MAX		127
+#define AF_PAXEL_WIDTH_MIN		0
+#define AF_PAXEL_WIDTH_MAX		127
+#define AF_PAXEL_HZSTART_MIN		2
+#define AF_PAXEL_HZSTART_MAX		4094
+
+#define AF_PAXEL_VTSTART_MIN		0
+#define AF_PAXEL_VTSTART_MAX		4095
+#define AF_THRESHOLD_MAX		255
+#define AF_COEF_MAX			4095
+#define AF_PAXEL_SIZE			48
+
+/**
+ * struct isph3a_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.
+ * @aewb_enable: AE AWB stats generation EN flag.
+ */
+struct isph3a_aewb_config {
+	__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;
+	__u8 aewb_enable;
+};
+
+/**
+ * struct isph3a_aewb_data - Structure of data sent to or received from user
+ * @h3a_aewb_statistics_buf: Pointer to pass to user.
+ * @shutter: Shutter speed.
+ * @gain: Sensor analog Gain.
+ * @shutter_cap: Shutter speed for capture.
+ * @gain_cap: Sensor Gain for capture.
+ * @dgain: White balance digital gain.
+ * @wb_gain_b: White balance color gain blue.
+ * @wb_gain_r: White balance color gain red.
+ * @wb_gain_gb: White balance color gain green blue.
+ * @wb_gain_gr: White balance color gain green red.
+ * @frame_number: Frame number of requested stats.
+ * @curr_frame: Current frame number being processed.
+ * @update: Bitwise flags to update parameters.
+ * @ts: Timestamp of returned framestats.
+ * @field_count: Sequence number of returned framestats.
+ */
+struct isph3a_aewb_data {
+	void *h3a_aewb_statistics_buf;
+	__u32 shutter;
+	__u16 gain;
+	__u32 shutter_cap;
+	__u16 gain_cap;
+	__u16 dgain;
+	__u16 wb_gain_b;
+	__u16 wb_gain_r;
+	__u16 wb_gain_gb;
+	__u16 wb_gain_gr;
+	__u16 frame_number;
+	__u16 curr_frame;
+	__u8 update;
+	struct timeval ts;
+	__u32 config_counter;
+	unsigned long field_count;
+};
+
+
+/* Histogram related structs */
+/* Flags for number of bins */
+#define BINS_32			0x0
+#define BINS_64			0x1
+#define BINS_128		0x2
+#define BINS_256		0x3
+
+struct isp_hist_config {
+	__u8 hist_source;		/* CCDC or Memory */
+	__u8 input_bit_width;	/* Needed o know the size per pixel */
+	__u8 hist_frames;		/* Num of frames to be processed and
+				 * accumulated
+				 */
+	__u8 hist_h_v_info;	/* frame-input width and height if source is
+				 * memory
+				 */
+	__u16 hist_radd;		/* frame-input address in memory */
+	__u16 hist_radd_off;	/* line-offset for frame-input */
+	__u16 hist_bins;	/* number of bins: 32, 64, 128, or 256 */
+	__u16 wb_gain_R;	/* White Balance Field-to-Pattern Assignments */
+	__u16 wb_gain_RG;	/* White Balance Field-to-Pattern Assignments */
+	__u16 wb_gain_B;	/* White Balance Field-to-Pattern Assignments */
+	__u16 wb_gain_BG;	/* White Balance Field-to-Pattern Assignments */
+	__u8 num_regions;		/* number of regions to be configured */
+	__u16 reg0_hor;		/* Region 0 size and position */
+	__u16 reg0_ver;		/* Region 0 size and position */
+	__u16 reg1_hor;		/* Region 1 size and position */
+	__u16 reg1_ver;		/* Region 1 size and position */
+	__u16 reg2_hor;		/* Region 2 size and position */
+	__u16 reg2_ver;		/* Region 2 size and position */
+	__u16 reg3_hor;		/* Region 3 size and position */
+	__u16 reg3_ver;		/* Region 3 size and position */
+};
+
+struct isp_hist_data {
+	__u32 *hist_statistics_buf;	/* Pointer to pass to user */
+};
+
+/* Auto Focus related structs */
+
+#define AF_NUMBER_OF_COEF		11
+
+/* Flags for update field */
+#define REQUEST_STATISTICS		(1 << 0)
+#define LENS_DESIRED_POSITION	(1 << 1)
+#define LENS_CURRENT_POSITION	(1 << 2)
+
+/**
+ * struct isp_af_xtrastats - Extra statistics related to AF generated stats.
+ * @ts: Timestamp when the frame gets delivered to the user.
+ * @field_count: Field count of the frame delivered to the user.
+ * @lens_position: Lens position when the stats are being generated.
+ */
+struct isp_af_xtrastats {
+	struct timeval ts;
+	unsigned long field_count;
+	__u16 lens_position; /* deprecated */
+};
+
+/**
+ * struct isp_af_data - AF statistics data to transfer between driver and user.
+ * @af_statistics_buf: Pointer to pass to user.
+ * @lens_current_position: Read value of lens absolute position.
+ * @desired_lens_direction: Lens desired location.
+ * @update: Bitwise flags to update parameters.
+ * @frame_number: Data for which frame is desired/given.
+ * @curr_frame: Current frame number being processed by AF module.
+ * @xtrastats: Extra statistics structure.
+ */
+struct isp_af_data {
+	void *af_statistics_buf;
+	__u16 lens_current_position; /* deprecated */
+	__u16 desired_lens_direction; /* deprecated */
+	__u16 update;
+	__u16 frame_number;
+	__u16 curr_frame;
+	__u32 config_counter;
+	struct isp_af_xtrastats xtrastats;
+};
+
+/* enum used for status of specific feature */
+enum af_alaw_enable {
+	H3A_AF_ALAW_DISABLE = 0,
+	H3A_AF_ALAW_ENABLE = 1
+};
+
+enum af_hmf_enable {
+	H3A_AF_HMF_DISABLE = 0,
+	H3A_AF_HMF_ENABLE = 1
+};
+
+enum af_config_flag {
+	H3A_AF_CFG_DISABLE = 0,
+	H3A_AF_CFG_ENABLE = 1
+};
+
+enum af_mode {
+	ACCUMULATOR_SUMMED = 0,
+	ACCUMULATOR_PEAK = 1
+};
+
+/* Red, Green, and blue pixel location in the AF windows */
+enum rgbpos {
+	GR_GB_BAYER = 0,	/* GR and GB as Bayer pattern */
+	RG_GB_BAYER = 1,	/* RG and GB as Bayer pattern */
+	GR_BG_BAYER = 2,	/* GR and BG as Bayer pattern */
+	RG_BG_BAYER = 3,	/* RG and BG as Bayer pattern */
+	GG_RB_CUSTOM = 4,	/* GG and RB as custom pattern */
+	RB_GG_CUSTOM = 5	/* RB and GG as custom pattern */
+};
+
+/* Contains the information regarding the Horizontal Median Filter */
+struct af_hmf {
+	enum af_hmf_enable enable;	/* Status of Horizontal Median Filter */
+	unsigned int threshold;	/* Threshhold Value for Horizontal Median
+				 * Filter
+				 */
+};
+
+/* Contains the information regarding the IIR Filters */
+struct af_iir {
+	unsigned int hz_start_pos;	/* IIR Start Register Value */
+	int coeff_set0[AF_NUMBER_OF_COEF];	/*
+						 * IIR Filter Coefficient for
+						 * Set 0
+						 */
+	int coeff_set1[AF_NUMBER_OF_COEF];	/*
+						 * IIR Filter Coefficient for
+						 * Set 1
+						 */
+};
+
+/* Contains the information regarding the Paxels Structure in AF Engine */
+struct af_paxel {
+	unsigned int width;	/* Width of the Paxel */
+	unsigned int height;	/* Height of the Paxel */
+	unsigned int hz_start;	/* Horizontal Start Position */
+	unsigned int vt_start;	/* Vertical Start Position */
+	unsigned int hz_cnt;	/* Horizontal Count */
+	unsigned int vt_cnt;	/* vertical Count */
+	unsigned int line_incr;	/* Line Increment */
+};
+/* Contains the parameters required for hardware set up of AF Engine */
+struct af_configuration {
+	enum af_alaw_enable alaw_enable;	/*ALWAW status */
+	struct af_hmf hmf_config;	/*HMF configurations */
+	enum rgbpos rgb_pos;		/*RGB Positions */
+	struct af_iir iir_config;	/*IIR filter configurations */
+	struct af_paxel paxel_config;	/*Paxel parameters */
+	enum af_mode mode;		/*Accumulator mode */
+	enum af_config_flag af_config; /*Flag indicates Engine is configured */
+};
+
+/* ISP CCDC structs */
+
+/* Abstraction layer CCDC configurations */
+#define ISP_ABS_CCDC_ALAW		(1 << 0)
+#define ISP_ABS_CCDC_LPF 		(1 << 1)
+#define ISP_ABS_CCDC_BLCLAMP		(1 << 2)
+#define ISP_ABS_CCDC_BCOMP		(1 << 3)
+#define ISP_ABS_CCDC_FPC		(1 << 4)
+#define ISP_ABS_CCDC_CULL		(1 << 5)
+#define ISP_ABS_CCDC_COLPTN		(1 << 6)
+#define ISP_ABS_CCDC_CONFIG_LSC		(1 << 7)
+#define ISP_ABS_TBL_LSC			(1 << 8)
+
+#define RGB_MAX				3
+
+/* Enumeration constants for Alaw input width */
+enum alaw_ipwidth {
+	ALAW_BIT12_3 = 0x3,
+	ALAW_BIT11_2 = 0x4,
+	ALAW_BIT10_1 = 0x5,
+	ALAW_BIT9_0 = 0x6
+};
+
+/* Enumeration constants for Video Port */
+enum vpin {
+	BIT12_3 = 3,
+	BIT11_2 = 4,
+	BIT10_1 = 5,
+	BIT9_0 = 6
+};
+
+enum vpif_freq {
+	PIXCLKBY2,
+	PIXCLKBY3_5,
+	PIXCLKBY4_5,
+	PIXCLKBY5_5,
+	PIXCLKBY6_5
+};
+
+/**
+ * struct ispccdc_lsc_config - Structure for 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 ispccdc_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 ispccdc_bclamp - Structure for 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 ispccdc_bclamp {
+	__u8 obgain;
+	__u8 obstpixel;
+	__u8 oblines;
+	__u8 oblen;
+	__u16 dcsubval;
+};
+
+/**
+ * ispccdc_fpc - Structure for FPC
+ * @fpnum: Number of faulty pixels to be corrected in the frame.
+ * @fpcaddr: Memory address of the FPC Table
+ */
+struct ispccdc_fpc {
+	__u16 fpnum;
+	__u32 fpcaddr;
+};
+
+/**
+ * ispccdc_blcomp - Structure for 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 ispccdc_blcomp {
+	__u8 b_mg;
+	__u8 gb_g;
+	__u8 gr_cy;
+	__u8 r_ye;
+};
+
+/**
+ * struct ispccdc_vp - Structure for Video Port parameters
+ * @bitshift_sel: Video port input select. 3 - bits 12-3, 4 - bits 11-2,
+ *                5 - bits 10-1, 6 - bits 9-0.
+ * @freq_sel: Video port data ready frequency. 1 - 1/3.5, 2 - 1/4.5,
+ *            3 - 1/5.5, 4 - 1/6.5.
+ */
+struct ispccdc_vp {
+	enum vpin bitshift_sel;
+	enum vpif_freq freq_sel;
+};
+
+/**
+ * ispccdc_culling - Structure for Culling parameters.
+ * @v_pattern: Vertical culling pattern.
+ * @h_odd: Horizontal Culling pattern for odd lines.
+ * @h_even: Horizontal Culling pattern for even lines.
+ */
+struct ispccdc_culling {
+	__u8 v_pattern;
+	__u16 h_odd;
+	__u16 h_even;
+};
+
+/**
+ * ispccdc_update_config - Structure for 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.
+ * @colptn: Color pattern of the sensor.
+ * @lsc: Pointer to LSC gain table.
+ */
+struct ispccdc_update_config {
+	__u16 update;
+	__u16 flag;
+	enum alaw_ipwidth alawip;
+	struct ispccdc_bclamp *bclamp;
+	struct ispccdc_blcomp *blcomp;
+	struct ispccdc_fpc *fpc;
+	struct ispccdc_lsc_config *lsc_cfg;
+	struct ispccdc_culling *cull;
+	__u32 colptn;
+	__u8 *lsc;
+};
+
+/* Preview configuration */
+
+/*Abstraction layer preview configurations*/
+#define ISP_ABS_PREV_LUMAENH		(1 << 0)
+#define ISP_ABS_PREV_INVALAW		(1 << 1)
+#define ISP_ABS_PREV_HRZ_MED		(1 << 2)
+#define ISP_ABS_PREV_CFA		(1 << 3)
+#define ISP_ABS_PREV_CHROMA_SUPP	(1 << 4)
+#define ISP_ABS_PREV_WB			(1 << 5)
+#define ISP_ABS_PREV_BLKADJ		(1 << 6)
+#define ISP_ABS_PREV_RGB2RGB		(1 << 7)
+#define ISP_ABS_PREV_COLOR_CONV		(1 << 8)
+#define ISP_ABS_PREV_YC_LIMIT		(1 << 9)
+#define ISP_ABS_PREV_DEFECT_COR		(1 << 10)
+#define ISP_ABS_PREV_GAMMABYPASS	(1 << 11)
+#define ISP_ABS_TBL_NF 			(1 << 12)
+#define ISP_ABS_TBL_REDGAMMA		(1 << 13)
+#define ISP_ABS_TBL_GREENGAMMA		(1 << 14)
+#define ISP_ABS_TBL_BLUEGAMMA		(1 << 15)
+
+#define ISPPRV_NF_TBL_SIZE		64
+#define ISPPRV_CFA_TBL_SIZE		576
+#define ISPPRV_GAMMA_TBL_SIZE		1024
+#define ISPPRV_YENH_TBL_SIZE		128
+
+/**
+ * struct ispprev_hmed - Structure for 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 ispprev_hmed {
+	__u8 odddist;
+	__u8 evendist;
+	__u8 thres;
+};
+
+/*
+ * Enumeration for CFA Formats supported by preview
+ */
+enum cfa_fmt {
+	CFAFMT_BAYER, CFAFMT_SONYVGA, CFAFMT_RGBFOVEON,
+	CFAFMT_DNSPL, CFAFMT_HONEYCOMB, CFAFMT_RRGGBBFOVEON
+};
+
+/**
+ * struct ispprev_cfa - Structure for CFA Inpterpolation.
+ * @cfafmt: CFA Format Enum value supported by preview.
+ * @cfa_gradthrs_vert: CFA Gradient Threshold - Vertical.
+ * @cfa_gradthrs_horz: CFA Gradient Threshold - Horizontal.
+ * @cfa_table: Pointer to the CFA table.
+ */
+struct ispprev_cfa {
+	enum cfa_fmt cfafmt;
+	__u8 cfa_gradthrs_vert;
+	__u8 cfa_gradthrs_horz;
+	__u32 *cfa_table;
+};
+
+/**
+ * struct ispprev_csup - Structure for Chrominance Suppression.
+ * @gain: Gain.
+ * @thres: Threshold.
+ * @hypf_en: Flag to enable/disable the High Pass Filter.
+ */
+struct ispprev_csup {
+	__u8 gain;
+	__u8 thres;
+	__u8 hypf_en;
+};
+
+/**
+ * struct ispprev_wbal - Structure for 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 ispprev_wbal {
+	__u16 dgain;
+	__u8 coef3;
+	__u8 coef2;
+	__u8 coef1;
+	__u8 coef0;
+};
+
+/**
+ * struct ispprev_blkadj - Structure for Black 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 ispprev_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 ispprev_rgbtorgb - Structure for 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 ispprev_rgbtorgb {
+	__u16 matrix[3][3];
+	__u16 offset[3];
+};
+
+/**
+ * struct ispprev_csc - Structure for 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 ispprev_csc {
+	__u16 matrix[RGB_MAX][RGB_MAX];
+	__s16 offset[RGB_MAX];
+};
+
+/**
+ * struct ispprev_yclimit - Structure for Y, C Value Limit.
+ * @minC: Minimum C value
+ * @maxC: Maximum C value
+ * @minY: Minimum Y value
+ * @maxY: Maximum Y value
+ */
+struct ispprev_yclimit {
+	__u8 minC;
+	__u8 maxC;
+	__u8 minY;
+	__u8 maxY;
+};
+
+/**
+ * struct ispprev_dcor - Structure for 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 ispprev_dcor {
+	__u8 couplet_mode_en;
+	__u32 detect_correct[4];
+};
+
+/**
+ * struct ispprev_nf - Structure for Noise Filter
+ * @spread: Spread value to be used in Noise Filter
+ * @table: Pointer to the Noise Filter table
+ */
+struct ispprev_nf {
+	__u8 spread;
+	__u32 table[ISPPRV_NF_TBL_SIZE];
+};
+
+/**
+ * struct ispprv_update_config - Structure for Preview Configuration (user).
+ * @update: Specifies which ISP Preview registers should be updated.
+ * @flag: Specifies which ISP Preview functions should be enabled.
+ * @yen: Pointer to luma enhancement table.
+ * @shading_shift: 3bit value of shift used in shading compensation.
+ * @prev_hmed: Pointer to structure containing the odd and even distance.
+ *             between the pixels in the image along with the filter threshold.
+ * @prev_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.
+ * @prev_wbal: Pointer to structure for White Balance.
+ * @prev_blkadj: Pointer to structure for Black Adjustment.
+ * @rgb2rgb: Pointer to structure for RGB to RGB Blending.
+ * @prev_csc: Pointer to structure for Color Space Conversion from RGB-YCbYCr.
+ * @yclimit: Pointer to structure for Y, C Value Limit.
+ * @prev_dcor: Pointer to structure for defect correction.
+ * @prev_nf: Pointer to structure for Noise Filter
+ * @red_gamma: Pointer to red gamma correction table.
+ * @green_gamma: Pointer to green gamma correction table.
+ * @blue_gamma: Pointer to blue gamma correction table.
+ */
+struct ispprv_update_config {
+	__u16 update;
+	__u16 flag;
+	void *yen;
+	__u32 shading_shift;
+	struct ispprev_hmed *prev_hmed;
+	struct ispprev_cfa *prev_cfa;
+	struct ispprev_csup *csup;
+	struct ispprev_wbal *prev_wbal;
+	struct ispprev_blkadj *prev_blkadj;
+	struct ispprev_rgbtorgb *rgb2rgb;
+	struct ispprev_csc *prev_csc;
+	struct ispprev_yclimit *yclimit;
+	struct ispprev_dcor *prev_dcor;
+	struct ispprev_nf *prev_nf;
+	__u32 *red_gamma;
+	__u32 *green_gamma;
+	__u32 *blue_gamma;
+};
+
+#endif /* OMAP_ISP_USER_H */
-- 
1.5.6.5