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isif.h
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/* * Copyright (C) 2008-2009 Texas Instruments Inc * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * isif header file */ #ifndef _ISIF_H #define _ISIF_H #include <media/davinci/ccdc_types.h> #include <media/davinci/vpfe_types.h> /* isif float type S8Q8/U8Q8 */ struct isif_float_8 { /* 8 bit integer part */ __u8 integer; /* 8 bit decimal part */ __u8 decimal; }; /* isif float type U16Q16/S16Q16 */ struct isif_float_16 { /* 16 bit integer part */ __u16 integer; /* 16 bit decimal part */ __u16 decimal; }; /************************************************************************ * Vertical Defect Correction parameters ***********************************************************************/ /* Defect Correction (DFC) table entry */ struct isif_vdfc_entry { /* vertical position of defect */ __u16 pos_vert; /* horizontal position of defect */ __u16 pos_horz; /* * Defect level of Vertical line defect position. This is subtracted * from the data at the defect position */ __u8 level_at_pos; /* * Defect level of the pixels upper than the vertical line defect. * This is subtracted from the data */ __u8 level_up_pixels; /* * Defect level of the pixels lower than the vertical line defect. * This is subtracted from the data */ __u8 level_low_pixels; }; #define ISIF_VDFC_TABLE_SIZE 8 struct isif_dfc { /* enable vertical defect correction */ __u8 en; /* Defect level subtraction. Just fed through if saturating */ #define ISIF_VDFC_NORMAL 0 /* * Defect level subtraction. Horizontal interpolation ((i-2)+(i+2))/2 * if data saturating */ #define ISIF_VDFC_HORZ_INTERPOL_IF_SAT 1 /* Horizontal interpolation (((i-2)+(i+2))/2) */ #define ISIF_VDFC_HORZ_INTERPOL 2 /* one of the vertical defect correction modes above */ __u8 corr_mode; /* 0 - whole line corrected, 1 - not pixels upper than the defect */ __u8 corr_whole_line; #define ISIF_VDFC_NO_SHIFT 0 #define ISIF_VDFC_SHIFT_1 1 #define ISIF_VDFC_SHIFT_2 2 #define ISIF_VDFC_SHIFT_3 3 #define ISIF_VDFC_SHIFT_4 4 /* * defect level shift value. level_at_pos, level_upper_pos, * and level_lower_pos can be shifted up by this value. Choose * one of the values above */ __u8 def_level_shift; /* defect saturation level */ __u16 def_sat_level; /* number of vertical defects. Max is ISIF_VDFC_TABLE_SIZE */ __u16 num_vdefects; /* VDFC table ptr */ struct isif_vdfc_entry table[ISIF_VDFC_TABLE_SIZE]; }; struct isif_horz_bclamp { /* Horizontal clamp disabled. Only vertical clamp value is subtracted */ #define ISIF_HORZ_BC_DISABLE 0 /* * Horizontal clamp value is calculated and subtracted from image data * along with vertical clamp value */ #define ISIF_HORZ_BC_CLAMP_CALC_ENABLED 1 /* * Horizontal clamp value calculated from previous image is subtracted * from image data along with vertical clamp value. */ #define ISIF_HORZ_BC_CLAMP_NOT_UPDATED 2 /* horizontal clamp mode. One of the values above */ __u8 mode; /* * pixel value limit enable. * 0 - limit disabled * 1 - pixel value limited to 1023 */ __u8 clamp_pix_limit; /* Select Most left window for bc calculation */ #define ISIF_SEL_MOST_LEFT_WIN 0 /* Select Most right window for bc calculation */ #define ISIF_SEL_MOST_RIGHT_WIN 1 /* Select most left or right window for clamp val calculation */ __u8 base_win_sel_calc; /* Window count per color for calculation. range 1-32 */ __u8 win_count_calc; /* Window start position - horizontal for calculation. 0 - 8191 */ __u16 win_start_h_calc; /* Window start position - vertical for calculation 0 - 8191 */ __u16 win_start_v_calc; #define ISIF_HORZ_BC_SZ_H_2PIXELS 0 #define ISIF_HORZ_BC_SZ_H_4PIXELS 1 #define ISIF_HORZ_BC_SZ_H_8PIXELS 2 #define ISIF_HORZ_BC_SZ_H_16PIXELS 3 /* Width of the sample window in pixels for calculation */ __u8 win_h_sz_calc; #define ISIF_HORZ_BC_SZ_V_32PIXELS 0 #define ISIF_HORZ_BC_SZ_V_64PIXELS 1 #define ISIF_HORZ_BC_SZ_V_128PIXELS 2 #define ISIF_HORZ_BC_SZ_V_256PIXELS 3 /* Height of the sample window in pixels for calculation */ __u8 win_v_sz_calc; }; /************************************************************************ * Black Clamp parameters ***********************************************************************/ struct isif_vert_bclamp { /* Reset value used is the clamp value calculated */ #define ISIF_VERT_BC_USE_HORZ_CLAMP_VAL 0 /* Reset value used is reset_clamp_val configured */ #define ISIF_VERT_BC_USE_CONFIG_CLAMP_VAL 1 /* No update, previous image value is used */ #define ISIF_VERT_BC_NO_UPDATE 2 /* * Reset value selector for vertical clamp calculation. Use one of * the above values */ __u8 reset_val_sel; /* U8Q8. Line average coefficient used in vertical clamp calculation */ __u8 line_ave_coef; /* Height of the optical black region for calculation */ __u16 ob_v_sz_calc; /* Optical black region start position - horizontal. 0 - 8191 */ __u16 ob_start_h; /* Optical black region start position - vertical 0 - 8191 */ __u16 ob_start_v; }; struct isif_black_clamp { /* * This offset value is added irrespective of the clamp enable status. * S13 */ __u16 dc_offset; /* * Enable black/digital clamp value to be subtracted from the image data */ __u8 en; /* * black clamp mode. same/separate clamp for 4 colors * 0 - disable - same clamp value for all colors * 1 - clamp value calculated separately for all colors */ __u8 bc_mode_color; /* Vrtical start position for bc subtraction */ __u16 vert_start_sub; /* Black clamp for horizontal direction */ struct isif_horz_bclamp horz; /* Black clamp for vertical direction */ struct isif_vert_bclamp vert; }; /************************************************************************* ** Color Space Conversion (CSC) *************************************************************************/ #define ISIF_CSC_NUM_COEFF 16 struct isif_color_space_conv { /* Enable color space conversion */ __u8 en; /* * csc coeffient table. S8Q5, M00 at index 0, M01 at index 1, and * so forth */ struct isif_float_8 coeff[ISIF_CSC_NUM_COEFF]; }; /************************************************************************* ** Black Compensation parameters *************************************************************************/ struct isif_black_comp { /* Comp for Red */ __s8 r_comp; /* Comp for Gr */ __s8 gr_comp; /* Comp for Blue */ __s8 b_comp; /* Comp for Gb */ __s8 gb_comp; }; /************************************************************************* ** Gain parameters *************************************************************************/ struct isif_gain { /* Gain for Red or ye */ struct isif_float_16 r_ye; /* Gain for Gr or cy */ struct isif_float_16 gr_cy; /* Gain for Gb or g */ struct isif_float_16 gb_g; /* Gain for Blue or mg */ struct isif_float_16 b_mg; }; #define ISIF_LINEAR_TAB_SIZE 192 /************************************************************************* ** Linearization parameters *************************************************************************/ struct isif_linearize { /* Enable or Disable linearization of data */ __u8 en; /* Shift value applied */ __u8 corr_shft; /* scale factor applied U11Q10 */ struct isif_float_16 scale_fact; /* Size of the linear table */ __u16 table[ISIF_LINEAR_TAB_SIZE]; }; /* Color patterns */ #define ISIF_RED 0 #define ISIF_GREEN_RED 1 #define ISIF_GREEN_BLUE 2 #define ISIF_BLUE 3 struct isif_col_pat { __u8 olop; __u8 olep; __u8 elop; __u8 elep; }; /************************************************************************* ** Data formatter parameters *************************************************************************/ struct isif_fmtplen { /* * number of program entries for SET0, range 1 - 16 * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is * ISIF_COMBINE */ __u16 plen0; /* * number of program entries for SET1, range 1 - 16 * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is * ISIF_COMBINE */ __u16 plen1; /** * number of program entries for SET2, range 1 - 16 * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is * ISIF_COMBINE */ __u16 plen2; /** * number of program entries for SET3, range 1 - 16 * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is * ISIF_COMBINE */ __u16 plen3; }; struct isif_fmt_cfg { #define ISIF_SPLIT 0 #define ISIF_COMBINE 1 /* Split or combine or line alternate */ __u8 fmtmode; /* enable or disable line alternating mode */ __u8 ln_alter_en; #define ISIF_1LINE 0 #define ISIF_2LINES 1 #define ISIF_3LINES 2 #define ISIF_4LINES 3 /* Split/combine line number */ __u8 lnum; /* Address increment Range 1 - 16 */ __u8 addrinc; }; struct isif_fmt_addr_ptr { /* Initial address */ __u32 init_addr; /* output line number */ #define ISIF_1STLINE 0 #define ISIF_2NDLINE 1 #define ISIF_3RDLINE 2 #define ISIF_4THLINE 3 __u8 out_line; }; struct isif_fmtpgm_ap { /* program address pointer */ __u8 pgm_aptr; /* program address increment or decrement */ __u8 pgmupdt; }; struct isif_data_formatter { /* Enable/Disable data formatter */ __u8 en; /* data formatter configuration */ struct isif_fmt_cfg cfg; /* Formatter program entries length */ struct isif_fmtplen plen; /* first pixel in a line fed to formatter */ __u16 fmtrlen; /* HD interval for output line. Only valid when split line */ __u16 fmthcnt; /* formatter address pointers */ struct isif_fmt_addr_ptr fmtaddr_ptr[16]; /* program enable/disable */ __u8 pgm_en[32]; /* program address pointers */ struct isif_fmtpgm_ap fmtpgm_ap[32]; }; struct isif_df_csc { /* Color Space Conversion confguration, 0 - csc, 1 - df */ __u8 df_or_csc; /* csc configuration valid if df_or_csc is 0 */ struct isif_color_space_conv csc; /* data formatter configuration valid if df_or_csc is 1 */ struct isif_data_formatter df; /* start pixel in a line at the input */ __u32 start_pix; /* number of pixels in input line */ __u32 num_pixels; /* start line at the input */ __u32 start_line; /* number of lines at the input */ __u32 num_lines; }; struct isif_gain_offsets_adj { /* Gain adjustment per color */ struct isif_gain gain; /* Offset adjustment */ __u16 offset; /* Enable or Disable Gain adjustment for SDRAM data */ __u8 gain_sdram_en; /* Enable or Disable Gain adjustment for IPIPE data */ __u8 gain_ipipe_en; /* Enable or Disable Gain adjustment for H3A data */ __u8 gain_h3a_en; /* Enable or Disable Gain adjustment for SDRAM data */ __u8 offset_sdram_en; /* Enable or Disable Gain adjustment for IPIPE data */ __u8 offset_ipipe_en; /* Enable or Disable Gain adjustment for H3A data */ __u8 offset_h3a_en; }; struct isif_cul { /* Horizontal Cull pattern for odd lines */ __u8 hcpat_odd; /* Horizontal Cull pattern for even lines */ __u8 hcpat_even; /* Vertical Cull pattern */ __u8 vcpat; /* Enable or disable lpf. Apply when cull is enabled */ __u8 en_lpf; }; struct isif_compress { #define ISIF_ALAW 0 #define ISIF_DPCM 1 #define ISIF_NO_COMPRESSION 2 /* Compression Algorithm used */ __u8 alg; /* Choose Predictor1 for DPCM compression */ #define ISIF_DPCM_PRED1 0 /* Choose Predictor2 for DPCM compression */ #define ISIF_DPCM_PRED2 1 /* Predictor for DPCM compression */ __u8 pred; }; /* all the stuff in this struct will be provided by userland */ struct isif_config_params_raw { /* Linearization parameters for image sensor data input */ struct isif_linearize linearize; /* Data formatter or CSC */ struct isif_df_csc df_csc; /* Defect Pixel Correction (DFC) confguration */ struct isif_dfc dfc; /* Black/Digital Clamp configuration */ struct isif_black_clamp bclamp; /* Gain, offset adjustments */ struct isif_gain_offsets_adj gain_offset; /* Culling */ struct isif_cul culling; /* A-Law and DPCM compression options */ struct isif_compress compress; /* horizontal offset for Gain/LSC/DFC */ __u16 horz_offset; /* vertical offset for Gain/LSC/DFC */ __u16 vert_offset; /* color pattern for field 0 */ struct isif_col_pat col_pat_field0; /* color pattern for field 1 */ struct isif_col_pat col_pat_field1; #define ISIF_NO_SHIFT 0 #define ISIF_1BIT_SHIFT 1 #define ISIF_2BIT_SHIFT 2 #define ISIF_3BIT_SHIFT 3 #define ISIF_4BIT_SHIFT 4 #define ISIF_5BIT_SHIFT 5 #define ISIF_6BIT_SHIFT 6 /* Data shift applied before storing to SDRAM */ __u8 data_shift; /* enable input test pattern generation */ __u8 test_pat_gen; }; #ifdef __KERNEL__ struct isif_ycbcr_config { /* isif pixel format */ enum ccdc_pixfmt pix_fmt; /* isif frame format */ enum ccdc_frmfmt frm_fmt; /* ISIF crop window */ struct v4l2_rect win; /* field polarity */ enum vpfe_pin_pol fid_pol; /* interface VD polarity */ enum vpfe_pin_pol vd_pol; /* interface HD polarity */ enum vpfe_pin_pol hd_pol; /* isif pix order. Only used for ycbcr capture */ enum ccdc_pixorder pix_order; /* isif buffer type. Only used for ycbcr capture */ enum ccdc_buftype buf_type; }; /* MSB of image data connected to sensor port */ enum isif_data_msb { ISIF_BIT_MSB_15, ISIF_BIT_MSB_14, ISIF_BIT_MSB_13, ISIF_BIT_MSB_12, ISIF_BIT_MSB_11, ISIF_BIT_MSB_10, ISIF_BIT_MSB_9, ISIF_BIT_MSB_8, ISIF_BIT_MSB_7 }; enum isif_cfa_pattern { ISIF_CFA_PAT_MOSAIC, ISIF_CFA_PAT_STRIPE }; struct isif_params_raw { /* isif pixel format */ enum ccdc_pixfmt pix_fmt; /* isif frame format */ enum ccdc_frmfmt frm_fmt; /* video window */ struct v4l2_rect win; /* field polarity */ enum vpfe_pin_pol fid_pol; /* interface VD polarity */ enum vpfe_pin_pol vd_pol; /* interface HD polarity */ enum vpfe_pin_pol hd_pol; /* buffer type. Applicable for interlaced mode */ enum ccdc_buftype buf_type; /* Gain values */ struct isif_gain gain; /* cfa pattern */ enum isif_cfa_pattern cfa_pat; /* Data MSB position */ enum isif_data_msb data_msb; /* Enable horizontal flip */ unsigned char horz_flip_en; /* Enable image invert vertically */ unsigned char image_invert_en; /* all the userland defined stuff*/ struct isif_config_params_raw config_params; }; enum isif_data_pack { ISIF_PACK_16BIT, ISIF_PACK_12BIT, ISIF_PACK_8BIT }; #define ISIF_WIN_NTSC {0, 0, 720, 480} #define ISIF_WIN_VGA {0, 0, 640, 480} #endif #endif
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