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/*
* VRFB Rotation Engine
*
* Copyright (C) 2009 Nokia Corporation
* Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
*/
#ifndef __OMAP_VRFB_H__
#define __OMAP_VRFB_H__
#define OMAP_VRFB_LINE_LEN 2048
struct vrfb {
u8 context;
void __iomem *vaddr[4];
unsigned long paddr[4];
u16 xres;
u16 yres;
u16 xoffset;
u16 yoffset;
u8 bytespp;
bool yuv_mode;
};
#ifdef CONFIG_OMAP2_VRFB
extern bool omap_vrfb_supported(void);
extern int omap_vrfb_request_ctx(struct vrfb *vrfb);
extern void omap_vrfb_release_ctx(struct vrfb *vrfb);
extern void omap_vrfb_adjust_size(u16 *width, u16 *height,
u8 bytespp);
extern u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp);
extern u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp);
extern void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
u16 width, u16 height,
unsigned bytespp, bool yuv_mode);
extern int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot);
extern void omap_vrfb_restore_context(void);
#else
static inline bool omap_vrfb_supported(void) { return false; }
static inline int omap_vrfb_request_ctx(struct vrfb *vrfb) { return 0; }
static inline void omap_vrfb_release_ctx(struct vrfb *vrfb) {}
static inline void omap_vrfb_adjust_size(u16 *width, u16 *height,
u8 bytespp) {}
static inline u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp)
{ return 0; }
static inline u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp)
{ return 0; }
static inline void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
u16 width, u16 height, unsigned bytespp, bool yuv_mode) {}
static inline int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot)
{ return 0; }
static inline void omap_vrfb_restore_context(void) {}
#endif
#endif /* __VRFB_H */
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