diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_frac.h')
-rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_frac.h | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_frac.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_frac.h deleted file mode 100644 index 1d1771d71f3c..000000000000 --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_frac.h +++ /dev/null @@ -1,40 +0,0 @@ -/* - * 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 __SH_CSS_FRAC_H -#define __SH_CSS_FRAC_H - -#include <math_support.h> - -#define sISP_REG_BIT ISP_VEC_ELEMBITS -#define uISP_REG_BIT ((unsigned)(sISP_REG_BIT-1)) -#define sSHIFT (16-sISP_REG_BIT) -#define uSHIFT ((unsigned)(16-uISP_REG_BIT)) -#define sFRACTION_BITS_FITTING(a) (a-sSHIFT) -#define uFRACTION_BITS_FITTING(a) ((unsigned)(a-uSHIFT)) -#define sISP_VAL_MIN (-(1<<uISP_REG_BIT)) -#define sISP_VAL_MAX ((1<<uISP_REG_BIT)-1) -#define uISP_VAL_MIN ((unsigned)0) -#define uISP_VAL_MAX ((unsigned)((1<<uISP_REG_BIT)-1)) - -/* a:fraction bits for 16bit precision, b:fraction bits for ISP precision */ -#define sDIGIT_FITTING(v, a, b) \ - min(max((((v)>>sSHIFT) >> max(sFRACTION_BITS_FITTING(a)-(b), 0)), \ - sISP_VAL_MIN), sISP_VAL_MAX) -#define uDIGIT_FITTING(v, a, b) \ - min((unsigned)max((unsigned)(((v)>>uSHIFT) \ - >> max((int)(uFRACTION_BITS_FITTING(a)-(b)), 0)), \ - uISP_VAL_MIN), uISP_VAL_MAX) - -#endif /* __SH_CSS_FRAC_H */ |