diff options
Diffstat (limited to 'drivers/media/video/mxc/opl/opl.h')
| -rw-r--r-- | drivers/media/video/mxc/opl/opl.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/drivers/media/video/mxc/opl/opl.h b/drivers/media/video/mxc/opl/opl.h new file mode 100644 index 000000000000..0f6519d604b9 --- /dev/null +++ b/drivers/media/video/mxc/opl/opl.h @@ -0,0 +1,162 @@ +/* + * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +/*! + * @defgroup OPLIP OPL Image Processing + */ +/*! + * @file opl.h + * + * @brief The OPL (Open Primitives Library) Image Processing library defines + * efficient functions for rotation and mirroring. + * + * It includes ARM9-optimized rotation and mirroring functions. It is derived + * from the original OPL project which is found at sourceforge.freescale.net. + * + * @ingroup OPLIP + */ +#ifndef __OPL_H__ +#define __OPL_H__ + +#include <linux/types.h> + +#define BYTES_PER_PIXEL 2 +#define CACHE_LINE_WORDS 8 +#define BYTES_PER_WORD 4 + +#define BYTES_PER_2PIXEL (BYTES_PER_PIXEL * 2) +#define BYTES_PER_4PIXEL (BYTES_PER_PIXEL * 4) +#define BYTES_PER_8PIXEL (BYTES_PER_PIXEL * 8) + +#define QCIF_Y_WIDTH 176 +#define QCIF_Y_HEIGHT 144 + +/*! Enumerations of opl error code */ +enum opl_error { + OPLERR_SUCCESS = 0, + OPLERR_NULL_PTR, + OPLERR_BAD_ARG, + OPLERR_DIV_BY_ZERO, + OPLERR_OVER_FLOW, + OPLERR_UNDER_FLOW, + OPLERR_MISALIGNED, +}; + +/*! + * @brief Rotate a 16bbp buffer 90 degrees clockwise. + * + * @param src Pointer to the input buffer + * @param src_line_stride Length in bytes of a raster line of the input buffer + * @param width Width in pixels of the region in the input buffer + * @param height Height in pixels of the region in the input buffer + * @param dst Pointer to the output buffer + * @param dst_line_stride Length in bytes of a raster line of the output buffer + * + * @return Standard OPL error code. See enumeration for possible result codes. + */ +int opl_rotate90_u16(const u8 *src, int src_line_stride, int width, int height, + u8 *dst, int dst_line_stride); + +/*! + * @brief Rotate a 16bbp buffer 180 degrees clockwise. + * + * @param src Pointer to the input buffer + * @param src_line_stride Length in bytes of a raster line of the input buffer + * @param width Width in pixels of the region in the input buffer + * @param height Height in pixels of the region in the input buffer + * @param dst Pointer to the output buffer + * @param dst_line_stride Length in bytes of a raster line of the output buffer + * + * @return Standard OPL error code. See enumeration for possible result codes. + */ +int opl_rotate180_u16(const u8 *src, int src_line_stride, int width, + int height, u8 *dst, int dst_line_stride); + +/*! + * @brief Rotate a 16bbp buffer 270 degrees clockwise + * + * @param src Pointer to the input buffer + * @param src_line_stride Length in bytes of a raster line of the input buffer + * @param width Width in pixels of the region in the input buffer + * @param height Height in pixels of the region in the input buffer + * @param dst Pointer to the output buffer + * @param dst_line_stride Length in bytes of a raster line of the output buffer + * + * @return Standard OPL error code. See enumeration for possible result codes. + */ +int opl_rotate270_u16(const u8 *src, int src_line_stride, int width, + int height, u8 *dst, int dst_line_stride); + +/*! + * @brief Mirror a 16bpp buffer horizontally + * + * @param src Pointer to the input buffer + * @param src_line_stride Length in bytes of a raster line of the input buffer + * @param width Width in pixels of the region in the input buffer + * @param height Height in pixels of the region in the input buffer + * @param dst Pointer to the output buffer + * @param dst_line_stride Length in bytes of a raster line of the output buffer + * + * @return Standard OPL error code. See enumeration for possible result codes. + */ +int opl_hmirror_u16(const u8 *src, int src_line_stride, int width, int height, + u8 *dst, int dst_line_stride); + +/*! + * @brief Mirror a 16bpp buffer vertically + * + * @param src Pointer to the input buffer + * @param src_line_stride Length in bytes of a raster line of the input buffer + * @param width Width in pixels of the region in the input buffer + * @param height Height in pixels of the region in the input buffer + * @param dst Pointer to the output buffer + * @param dst_line_stride Length in bytes of a raster line of the output buffer + * + * @return Standard OPL error code. See enumeration for possible result codes. + */ +int opl_vmirror_u16(const u8 *src, int src_line_stride, int width, int height, + u8 *dst, int dst_line_stride); + +/*! + * @brief Rotate a 16bbp buffer 90 degrees clockwise and mirror vertically + * It is equivalent to rotate 270 degree and mirror horizontally + * + * @param src Pointer to the input buffer + * @param src_line_stride Length in bytes of a raster line of the input buffer + * @param width Width in pixels of the region in the input buffer + * @param height Height in pixels of the region in the input buffer + * @param dst Pointer to the output buffer + * @param dst_line_stride Length in bytes of a raster line of the output buffer + * + * @return Standard OPL error code. See enumeration for possible result codes. + */ +int opl_rotate90_vmirror_u16(const u8 *src, int src_line_stride, int width, + int height, u8 *dst, int dst_line_stride); + +/*! + * @brief Rotate a 16bbp buffer 270 degrees clockwise and mirror vertically + * It is equivalent to rotate 90 degree and mirror horizontally + * + * @param src Pointer to the input buffer + * @param src_line_stride Length in bytes of a raster line of the input buffer + * @param width Width in pixels of the region in the input buffer + * @param height Height in pixels of the region in the input buffer + * @param dst Pointer to the output buffer + * @param dst_line_stride Length in bytes of a raster line of the output buffer + * + * @return Standard OPL error code. See enumeration for possible result codes. + */ +int opl_rotate270_vmirror_u16(const u8 *src, int src_line_stride, int width, + int height, u8 *dst, int dst_line_stride); + +#endif /* __OPL_H__ */ |