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50 lines
1.6 KiB
50 lines
1.6 KiB
/*
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* VRFB Rotation Engine
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*
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* Copyright (C) 2009 Nokia Corporation
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* Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __OMAP_VRFB_H__
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#define __OMAP_VRFB_H__
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#define OMAP_VRFB_LINE_LEN 2048
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struct vrfb {
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u8 context;
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void __iomem *vaddr[4];
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unsigned long paddr[4];
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u16 xres;
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u16 yres;
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u16 xoffset;
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u16 yoffset;
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u8 bytespp;
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bool yuv_mode;
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};
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extern int omap_vrfb_request_ctx(struct vrfb *vrfb);
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extern void omap_vrfb_release_ctx(struct vrfb *vrfb);
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extern void omap_vrfb_adjust_size(u16 *width, u16 *height,
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u8 bytespp);
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extern u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp);
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extern u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp);
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extern void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
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u16 width, u16 height,
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unsigned bytespp, bool yuv_mode);
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extern int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot);
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extern void omap_vrfb_restore_context(void);
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#endif /* __VRFB_H */
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