diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/isp/kernels/s3a/s3a_1.0/ia_css_s3a_types.h')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/isp/kernels/s3a/s3a_1.0/ia_css_s3a_types.h | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/s3a/s3a_1.0/ia_css_s3a_types.h b/drivers/staging/media/atomisp/pci/isp/kernels/s3a/s3a_1.0/ia_css_s3a_types.h new file mode 100644 index 000000000000..5a5b277ca0eb --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/s3a/s3a_1.0/ia_css_s3a_types.h @@ -0,0 +1,221 @@ +/* + * Support for Intel Camera Imaging ISP subsystem. + * Copyright (c) 2015, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + */ + +#ifndef __IA_CSS_S3A_TYPES_H +#define __IA_CSS_S3A_TYPES_H + +/* @file +* CSS-API header file for 3A statistics parameters. +*/ + +#include <ia_css_frac.h> + +#if (defined(SYSTEM_css_skycam_c0_system)) && (!defined(PIPE_GENERATION)) +#include "../../../../components/stats_3a/src/stats_3a_public.h" +#endif + +/* 3A configuration. This configures the 3A statistics collection + * module. + */ + +/* 3A statistics grid + * + * ISP block: S3A1 (3A Support for 3A ver.1 (Histogram is not used for AE)) + * S3A2 (3A Support for 3A ver.2 (Histogram is used for AE)) + * ISP1: S3A1 is used. + * ISP2: S3A2 is used. + */ +struct ia_css_3a_grid_info { +#if defined(SYSTEM_css_skycam_c0_system) + u32 ae_enable; /** ae enabled in binary, + 0:disabled, 1:enabled */ + struct ae_public_config_grid_config + ae_grd_info; /** see description in ae_public.h*/ + + u32 awb_enable; /** awb enabled in binary, + 0:disabled, 1:enabled */ + struct awb_public_config_grid_config + awb_grd_info; /** see description in awb_public.h*/ + + u32 af_enable; /** af enabled in binary, + 0:disabled, 1:enabled */ + struct af_public_grid_config af_grd_info; /** see description in af_public.h*/ + + u32 awb_fr_enable; /** awb_fr enabled in binary, + 0:disabled, 1:enabled */ + struct awb_fr_public_grid_config + awb_fr_grd_info;/** see description in awb_fr_public.h*/ + + u32 elem_bit_depth; /** TODO:Taken from BYT - need input from AIQ + if needed for SKC + Bit depth of element used + to calculate 3A statistics. + This is 13, which is the normalized + bayer bit depth in DSP. */ + +#else + u32 enable; /** 3A statistics enabled. + 0:disabled, 1:enabled */ + u32 use_dmem; /** DMEM or VMEM determines layout. + 0:3A statistics are stored to VMEM, + 1:3A statistics are stored to DMEM */ + u32 has_histogram; /** Statistics include histogram. + 0:no histogram, 1:has histogram */ + u32 width; /** Width of 3A grid table. + (= Horizontal number of grid cells + in table, which cells have effective + statistics.) */ + u32 height; /** Height of 3A grid table. + (= Vertical number of grid cells + in table, which cells have effective + statistics.) */ + u32 aligned_width; /** Horizontal stride (for alloc). + (= Horizontal number of grid cells + in table, which means + the allocated width.) */ + u32 aligned_height; /** Vertical stride (for alloc). + (= Vertical number of grid cells + in table, which means + the allocated height.) */ + u32 bqs_per_grid_cell; /** Grid cell size in BQ(Bayer Quad) unit. + (1BQ means {Gr,R,B,Gb}(2x2 pixels).) + Valid values are 8,16,32,64. */ + u32 deci_factor_log2; /** log2 of bqs_per_grid_cell. */ + u32 elem_bit_depth; /** Bit depth of element used + to calculate 3A statistics. + This is 13, which is the normalized + bayer bit depth in DSP. */ +#endif +}; + +/* This struct should be split into 3, for AE, AWB and AF. + * However, that will require driver/ 3A lib modifications. + */ + +/* 3A configuration. This configures the 3A statistics collection + * module. + * + * ae_y_*: Coefficients to calculate luminance from bayer. + * awb_lg_*: Thresholds to check the saturated bayer pixels for AWB. + * Condition of effective pixel for AWB level gate check: + * bayer(sensor) <= awb_lg_high_raw && + * bayer(when AWB statisitcs is calculated) >= awb_lg_low && + * bayer(when AWB statisitcs is calculated) <= awb_lg_high + * af_fir*: Coefficients of high pass filter to calculate AF statistics. + * + * ISP block: S3A1(ae_y_* for AE/AF, awb_lg_* for AWB) + * S3A2(ae_y_* for AF, awb_lg_* for AWB) + * SDVS1(ae_y_*) + * SDVS2(ae_y_*) + * ISP1: S3A1 and SDVS1 are used. + * ISP2: S3A2 and SDVS2 are used. + */ +struct ia_css_3a_config { + ia_css_u0_16 ae_y_coef_r; /** Weight of R for Y. + u0.16, [0,65535], + default/ineffective 25559 */ + ia_css_u0_16 ae_y_coef_g; /** Weight of G for Y. + u0.16, [0,65535], + default/ineffective 32768 */ + ia_css_u0_16 ae_y_coef_b; /** Weight of B for Y. + u0.16, [0,65535], + default/ineffective 7209 */ + ia_css_u0_16 awb_lg_high_raw; /** AWB level gate high for raw. + u0.16, [0,65535], + default 65472(=1023*64), + ineffective 65535 */ + ia_css_u0_16 awb_lg_low; /** AWB level gate low. + u0.16, [0,65535], + default 64(=1*64), + ineffective 0 */ + ia_css_u0_16 awb_lg_high; /** AWB level gate high. + u0.16, [0,65535], + default 65535, + ineffective 65535 */ + ia_css_s0_15 af_fir1_coef[7]; /** AF FIR coefficients of fir1. + s0.15, [-32768,32767], + default/ineffective + -6689,-12207,-32768,32767,12207,6689,0 */ + ia_css_s0_15 af_fir2_coef[7]; /** AF FIR coefficients of fir2. + s0.15, [-32768,32767], + default/ineffective + 2053,0,-18437,32767,-18437,2053,0 */ +}; + +/* 3A statistics. This structure describes the data stored + * in each 3A grid point. + * + * ISP block: S3A1 (3A Support for 3A ver.1) (Histogram is not used for AE) + * S3A2 (3A Support for 3A ver.2) (Histogram is used for AE) + * - ae_y is used only for S3A1. + * - awb_* and af_* are used both for S3A1 and S3A2. + * ISP1: S3A1 is used. + * ISP2: S3A2 is used. + */ +struct ia_css_3a_output { + s32 ae_y; /** Sum of Y in a statistics window, for AE. + (u19.13) */ + s32 awb_cnt; /** Number of effective pixels + in a statistics window. + Pixels passed by the AWB level gate check are + judged as "effective". (u32) */ + s32 awb_gr; /** Sum of Gr in a statistics window, for AWB. + All Gr pixels (not only for effective pixels) + are summed. (u19.13) */ + s32 awb_r; /** Sum of R in a statistics window, for AWB. + All R pixels (not only for effective pixels) + are summed. (u19.13) */ + s32 awb_b; /** Sum of B in a statistics window, for AWB. + All B pixels (not only for effective pixels) + are summed. (u19.13) */ + s32 awb_gb; /** Sum of Gb in a statistics window, for AWB. + All Gb pixels (not only for effective pixels) + are summed. (u19.13) */ + s32 af_hpf1; /** Sum of |Y| following high pass filter af_fir1 + within a statistics window, for AF. (u19.13) */ + s32 af_hpf2; /** Sum of |Y| following high pass filter af_fir2 + within a statistics window, for AF. (u19.13) */ +}; + +/* 3A Statistics. This structure describes the statistics that are generated + * using the provided configuration (ia_css_3a_config). + */ +struct ia_css_3a_statistics { + struct ia_css_3a_grid_info + grid; /** grid info contains the dimensions of the 3A grid */ + struct ia_css_3a_output + *data; /** the pointer to 3a_output[grid.width * grid.height] + containing the 3A statistics */ + struct ia_css_3a_rgby_output *rgby_data;/** the pointer to 3a_rgby_output[256] + containing the histogram */ +}; + +/* Histogram (Statistics for AE). + * + * 4 histograms(r,g,b,y), + * 256 bins for each histogram, unsigned 24bit value for each bin. + * struct ia_css_3a_rgby_output data[256]; + + * ISP block: HIST2 + * (ISP1: HIST2 is not used.) + * ISP2: HIST2 is used. + */ +struct ia_css_3a_rgby_output { + u32 r; /** Number of R of one bin of the histogram R. (u24) */ + u32 g; /** Number of G of one bin of the histogram G. (u24) */ + u32 b; /** Number of B of one bin of the histogram B. (u24) */ + u32 y; /** Number of Y of one bin of the histogram Y. (u24) */ +}; + +#endif /* __IA_CSS_S3A_TYPES_H */ |