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* Copyright (C) 2008-2009 Texas Instruments Inc
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include <media/davinci/ccdc_types.h>
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#include <media/davinci/vpfe_types.h>
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/* isif float type S8Q8/U8Q8 */
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/* 8 bit integer part */
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/* 8 bit decimal part */
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/* isif float type U16Q16/S16Q16 */
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struct isif_float_16 {
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/* 16 bit integer part */
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/* 16 bit decimal part */
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/************************************************************************
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* Vertical Defect Correction parameters
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***********************************************************************/
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/* Defect Correction (DFC) table entry */
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struct isif_vdfc_entry {
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/* vertical position of defect */
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/* horizontal position of defect */
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* Defect level of Vertical line defect position. This is subtracted
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* from the data at the defect position
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* Defect level of the pixels upper than the vertical line defect.
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* This is subtracted from the data
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* Defect level of the pixels lower than the vertical line defect.
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* This is subtracted from the data
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__u8 level_low_pixels;
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#define ISIF_VDFC_TABLE_SIZE 8
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/* enable vertical defect correction */
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/* Defect level subtraction. Just fed through if saturating */
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#define ISIF_VDFC_NORMAL 0
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* Defect level subtraction. Horizontal interpolation ((i-2)+(i+2))/2
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#define ISIF_VDFC_HORZ_INTERPOL_IF_SAT 1
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/* Horizontal interpolation (((i-2)+(i+2))/2) */
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#define ISIF_VDFC_HORZ_INTERPOL 2
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/* one of the vertical defect correction modes above */
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/* 0 - whole line corrected, 1 - not pixels upper than the defect */
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#define ISIF_VDFC_NO_SHIFT 0
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#define ISIF_VDFC_SHIFT_1 1
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#define ISIF_VDFC_SHIFT_2 2
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#define ISIF_VDFC_SHIFT_3 3
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#define ISIF_VDFC_SHIFT_4 4
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* defect level shift value. level_at_pos, level_upper_pos,
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* and level_lower_pos can be shifted up by this value. Choose
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* one of the values above
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/* defect saturation level */
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/* number of vertical defects. Max is ISIF_VDFC_TABLE_SIZE */
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struct isif_vdfc_entry table[ISIF_VDFC_TABLE_SIZE];
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struct isif_horz_bclamp {
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/* Horizontal clamp disabled. Only vertical clamp value is subtracted */
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#define ISIF_HORZ_BC_DISABLE 0
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* Horizontal clamp value is calculated and subtracted from image data
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* along with vertical clamp value
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#define ISIF_HORZ_BC_CLAMP_CALC_ENABLED 1
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* Horizontal clamp value calculated from previous image is subtracted
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* from image data along with vertical clamp value.
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#define ISIF_HORZ_BC_CLAMP_NOT_UPDATED 2
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/* horizontal clamp mode. One of the values above */
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* pixel value limit enable.
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* 1 - pixel value limited to 1023
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__u8 clamp_pix_limit;
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/* Select Most left window for bc calculation */
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#define ISIF_SEL_MOST_LEFT_WIN 0
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/* Select Most right window for bc calculation */
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#define ISIF_SEL_MOST_RIGHT_WIN 1
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/* Select most left or right window for clamp val calculation */
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__u8 base_win_sel_calc;
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/* Window count per color for calculation. range 1-32 */
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/* Window start position - horizontal for calculation. 0 - 8191 */
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__u16 win_start_h_calc;
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/* Window start position - vertical for calculation 0 - 8191 */
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__u16 win_start_v_calc;
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#define ISIF_HORZ_BC_SZ_H_2PIXELS 0
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#define ISIF_HORZ_BC_SZ_H_4PIXELS 1
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#define ISIF_HORZ_BC_SZ_H_8PIXELS 2
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#define ISIF_HORZ_BC_SZ_H_16PIXELS 3
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/* Width of the sample window in pixels for calculation */
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#define ISIF_HORZ_BC_SZ_V_32PIXELS 0
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#define ISIF_HORZ_BC_SZ_V_64PIXELS 1
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#define ISIF_HORZ_BC_SZ_V_128PIXELS 2
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#define ISIF_HORZ_BC_SZ_V_256PIXELS 3
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/* Height of the sample window in pixels for calculation */
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/************************************************************************
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* Black Clamp parameters
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***********************************************************************/
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struct isif_vert_bclamp {
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/* Reset value used is the clamp value calculated */
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#define ISIF_VERT_BC_USE_HORZ_CLAMP_VAL 0
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/* Reset value used is reset_clamp_val configured */
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#define ISIF_VERT_BC_USE_CONFIG_CLAMP_VAL 1
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/* No update, previous image value is used */
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#define ISIF_VERT_BC_NO_UPDATE 2
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* Reset value selector for vertical clamp calculation. Use one of
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/* U8Q8. Line average coefficient used in vertical clamp calculation */
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/* Height of the optical black region for calculation */
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/* Optical black region start position - horizontal. 0 - 8191 */
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/* Optical black region start position - vertical 0 - 8191 */
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struct isif_black_clamp {
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* This offset value is added irrespective of the clamp enable status.
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* Enable black/digital clamp value to be subtracted from the image data
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* black clamp mode. same/separate clamp for 4 colors
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* 0 - disable - same clamp value for all colors
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* 1 - clamp value calculated separately for all colors
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/* Vrtical start position for bc subtraction */
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__u16 vert_start_sub;
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/* Black clamp for horizontal direction */
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struct isif_horz_bclamp horz;
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/* Black clamp for vertical direction */
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struct isif_vert_bclamp vert;
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/*************************************************************************
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** Color Space Conversion (CSC)
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*************************************************************************/
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#define ISIF_CSC_NUM_COEFF 16
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struct isif_color_space_conv {
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/* Enable color space conversion */
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* csc coeffient table. S8Q5, M00 at index 0, M01 at index 1, and
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struct isif_float_8 coeff[ISIF_CSC_NUM_COEFF];
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/*************************************************************************
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** Black Compensation parameters
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*************************************************************************/
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struct isif_black_comp {
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/*************************************************************************
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*************************************************************************/
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/* Gain for Red or ye */
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struct isif_float_16 r_ye;
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/* Gain for Gr or cy */
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struct isif_float_16 gr_cy;
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/* Gain for Gb or g */
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struct isif_float_16 gb_g;
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/* Gain for Blue or mg */
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struct isif_float_16 b_mg;
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#define ISIF_LINEAR_TAB_SIZE 192
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/*************************************************************************
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** Linearization parameters
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*************************************************************************/
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struct isif_linearize {
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/* Enable or Disable linearization of data */
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/* Shift value applied */
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/* scale factor applied U11Q10 */
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struct isif_float_16 scale_fact;
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/* Size of the linear table */
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__u16 table[ISIF_LINEAR_TAB_SIZE];
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#define ISIF_GREEN_RED 1
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#define ISIF_GREEN_BLUE 2
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struct isif_col_pat {
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/*************************************************************************
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** Data formatter parameters
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*************************************************************************/
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struct isif_fmtplen {
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* number of program entries for SET0, range 1 - 16
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* when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is
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* number of program entries for SET1, range 1 - 16
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* when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is
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* number of program entries for SET2, range 1 - 16
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* when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is
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* number of program entries for SET3, range 1 - 16
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* when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is
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struct isif_fmt_cfg {
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#define ISIF_COMBINE 1
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/* Split or combine or line alternate */
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/* enable or disable line alternating mode */
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#define ISIF_2LINES 1
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#define ISIF_3LINES 2
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#define ISIF_4LINES 3
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/* Split/combine line number */
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/* Address increment Range 1 - 16 */
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struct isif_fmt_addr_ptr {
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/* Initial address */
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/* output line number */
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#define ISIF_1STLINE 0
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#define ISIF_2NDLINE 1
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#define ISIF_3RDLINE 2
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#define ISIF_4THLINE 3
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struct isif_fmtpgm_ap {
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/* program address pointer */
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/* program address increment or decrement */
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struct isif_data_formatter {
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/* Enable/Disable data formatter */
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/* data formatter configuration */
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struct isif_fmt_cfg cfg;
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/* Formatter program entries length */
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struct isif_fmtplen plen;
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/* first pixel in a line fed to formatter */
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/* HD interval for output line. Only valid when split line */
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/* formatter address pointers */
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struct isif_fmt_addr_ptr fmtaddr_ptr[16];
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/* program enable/disable */
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/* program address pointers */
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struct isif_fmtpgm_ap fmtpgm_ap[32];
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/* Color Space Conversion confguration, 0 - csc, 1 - df */
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/* csc configuration valid if df_or_csc is 0 */
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struct isif_color_space_conv csc;
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/* data formatter configuration valid if df_or_csc is 1 */
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struct isif_data_formatter df;
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/* start pixel in a line at the input */
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/* number of pixels in input line */
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/* start line at the input */
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/* number of lines at the input */
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struct isif_gain_offsets_adj {
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/* Gain adjustment per color */
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struct isif_gain gain;
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/* Offset adjustment */
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/* Enable or Disable Gain adjustment for SDRAM data */
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/* Enable or Disable Gain adjustment for IPIPE data */
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/* Enable or Disable Gain adjustment for H3A data */
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/* Enable or Disable Gain adjustment for SDRAM data */
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__u8 offset_sdram_en;
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/* Enable or Disable Gain adjustment for IPIPE data */
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__u8 offset_ipipe_en;
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/* Enable or Disable Gain adjustment for H3A data */
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/* Horizontal Cull pattern for odd lines */
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/* Horizontal Cull pattern for even lines */
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/* Vertical Cull pattern */
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/* Enable or disable lpf. Apply when cull is enabled */
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struct isif_compress {
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#define ISIF_NO_COMPRESSION 2
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/* Compression Algorithm used */
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/* Choose Predictor1 for DPCM compression */
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#define ISIF_DPCM_PRED1 0
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/* Choose Predictor2 for DPCM compression */
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#define ISIF_DPCM_PRED2 1
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/* Predictor for DPCM compression */
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/* all the stuff in this struct will be provided by userland */
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struct isif_config_params_raw {
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/* Linearization parameters for image sensor data input */
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struct isif_linearize linearize;
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/* Data formatter or CSC */
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struct isif_df_csc df_csc;
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/* Defect Pixel Correction (DFC) confguration */
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/* Black/Digital Clamp configuration */
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struct isif_black_clamp bclamp;
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/* Gain, offset adjustments */
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struct isif_gain_offsets_adj gain_offset;
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struct isif_cul culling;
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/* A-Law and DPCM compression options */
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struct isif_compress compress;
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/* horizontal offset for Gain/LSC/DFC */
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/* vertical offset for Gain/LSC/DFC */
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/* color pattern for field 0 */
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struct isif_col_pat col_pat_field0;
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/* color pattern for field 1 */
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struct isif_col_pat col_pat_field1;
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#define ISIF_NO_SHIFT 0
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#define ISIF_1BIT_SHIFT 1
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#define ISIF_2BIT_SHIFT 2
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#define ISIF_3BIT_SHIFT 3
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#define ISIF_4BIT_SHIFT 4
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#define ISIF_5BIT_SHIFT 5
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#define ISIF_6BIT_SHIFT 6
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/* Data shift applied before storing to SDRAM */
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/* enable input test pattern generation */
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struct isif_ycbcr_config {
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/* isif pixel format */
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enum ccdc_pixfmt pix_fmt;
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/* isif frame format */
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enum ccdc_frmfmt frm_fmt;
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/* ISIF crop window */
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struct v4l2_rect win;
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enum vpfe_pin_pol fid_pol;
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/* interface VD polarity */
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enum vpfe_pin_pol vd_pol;
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/* interface HD polarity */
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enum vpfe_pin_pol hd_pol;
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/* isif pix order. Only used for ycbcr capture */
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enum ccdc_pixorder pix_order;
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/* isif buffer type. Only used for ycbcr capture */
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enum ccdc_buftype buf_type;
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/* MSB of image data connected to sensor port */
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enum isif_cfa_pattern {
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struct isif_params_raw {
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/* isif pixel format */
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enum ccdc_pixfmt pix_fmt;
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/* isif frame format */
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enum ccdc_frmfmt frm_fmt;
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struct v4l2_rect win;
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enum vpfe_pin_pol fid_pol;
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/* interface VD polarity */
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enum vpfe_pin_pol vd_pol;
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/* interface HD polarity */
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enum vpfe_pin_pol hd_pol;
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/* buffer type. Applicable for interlaced mode */
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enum ccdc_buftype buf_type;
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struct isif_gain gain;
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enum isif_cfa_pattern cfa_pat;
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/* Data MSB position */
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enum isif_data_msb data_msb;
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/* Enable horizontal flip */
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unsigned char horz_flip_en;
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/* Enable image invert vertically */
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unsigned char image_invert_en;
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/* all the userland defined stuff*/
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struct isif_config_params_raw config_params;
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enum isif_data_pack {
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#define ISIF_WIN_NTSC {0, 0, 720, 480}
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#define ISIF_WIN_VGA {0, 0, 640, 480}