diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sc/sc_1.0/ia_css_sc_param.h')
-rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sc/sc_1.0/ia_css_sc_param.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sc/sc_1.0/ia_css_sc_param.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sc/sc_1.0/ia_css_sc_param.h new file mode 100644 index 000000000000..d997d5137634 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sc/sc_1.0/ia_css_sc_param.h @@ -0,0 +1,71 @@ +/* + * 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_SC_PARAM_H +#define __IA_CSS_SC_PARAM_H + +#include "type_support.h" + +#ifdef ISP2401 +/* To position the shading center grid point on the center of output image, + * one more grid cell is needed as margin. */ +#define SH_CSS_SCTBL_CENTERING_MARGIN 1 + +/* The shading table width and height are the number of grids, not cells. The last grid should be counted. */ +#define SH_CSS_SCTBL_LAST_GRID_COUNT 1 + +/* Number of horizontal grids per color in the shading table. */ +#define _ISP_SCTBL_WIDTH_PER_COLOR(input_width, deci_factor_log2) \ + (ISP_BQ_GRID_WIDTH(input_width, deci_factor_log2) + \ + SH_CSS_SCTBL_CENTERING_MARGIN + SH_CSS_SCTBL_LAST_GRID_COUNT) + +/* Number of vertical grids per color in the shading table. */ +#define _ISP_SCTBL_HEIGHT(input_height, deci_factor_log2) \ + (ISP_BQ_GRID_HEIGHT(input_height, deci_factor_log2) + \ + SH_CSS_SCTBL_CENTERING_MARGIN + SH_CSS_SCTBL_LAST_GRID_COUNT) + +/* Legacy API: Number of horizontal grids per color in the shading table. */ +#define _ISP_SCTBL_LEGACY_WIDTH_PER_COLOR(input_width, deci_factor_log2) \ + (ISP_BQ_GRID_WIDTH(input_width, deci_factor_log2) + SH_CSS_SCTBL_LAST_GRID_COUNT) + +/* Legacy API: Number of vertical grids per color in the shading table. */ +#define _ISP_SCTBL_LEGACY_HEIGHT(input_height, deci_factor_log2) \ + (ISP_BQ_GRID_HEIGHT(input_height, deci_factor_log2) + SH_CSS_SCTBL_LAST_GRID_COUNT) + +#endif +/* SC (Shading Corrction) */ +struct sh_css_isp_sc_params { + int32_t gain_shift; +}; + +#ifdef ISP2401 +/* Number of horizontal slice times for interpolated gain: + * + * The start position of the internal frame does not match the start position of the shading table. + * To get a vector of shading gains (interpolated horizontally and vertically) + * which matches a vector on the internal frame, + * vec_slice is used for 2 adjacent vectors of shading gains. + * The number of shift times by vec_slice is 8. + * Max grid cell bqs to support the shading table centerting: N = 32 + * CEIL_DIV(N-1, ISP_SLICE_NELEMS) = CEIL_DIV(31, 4) = 8 + */ +#define SH_CSS_SC_INTERPED_GAIN_HOR_SLICE_TIMES 8 + +struct sh_css_isp_sc_isp_config { + uint32_t interped_gain_hor_slice_bqs[SH_CSS_SC_INTERPED_GAIN_HOR_SLICE_TIMES]; + uint32_t internal_frame_origin_y_bqs_on_sctbl; +}; + +#endif +#endif /* __IA_CSS_SC_PARAM_H */ |