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vrfb.h
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1 /*
2  * VRFB Rotation Engine
3  *
4  * Copyright (C) 2009 Nokia Corporation
5  * Author: Tomi Valkeinen <[email protected]>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful, but
12  * WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with this program; if not, write to the Free Software Foundation, Inc.,
18  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19  */
20 
21 #ifndef __OMAP_VRFB_H__
22 #define __OMAP_VRFB_H__
23 
24 #define OMAP_VRFB_LINE_LEN 2048
25 
26 struct vrfb {
28  void __iomem *vaddr[4];
29  unsigned long paddr[4];
35  bool yuv_mode;
36 };
37 
38 #ifdef CONFIG_OMAP2_VRFB
39 extern int omap_vrfb_request_ctx(struct vrfb *vrfb);
40 extern void omap_vrfb_release_ctx(struct vrfb *vrfb);
42  u8 bytespp);
43 extern u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp);
44 extern u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp);
45 extern void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
47  unsigned bytespp, bool yuv_mode);
48 extern int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot);
49 extern void omap_vrfb_restore_context(void);
50 
51 #else
52 static inline int omap_vrfb_request_ctx(struct vrfb *vrfb) { return 0; }
53 static inline void omap_vrfb_release_ctx(struct vrfb *vrfb) {}
54 static inline void omap_vrfb_adjust_size(u16 *width, u16 *height,
55  u8 bytespp) {}
56 static inline u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp)
57  { return 0; }
58 static inline u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp)
59  { return 0; }
60 static inline void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
61  u16 width, u16 height, unsigned bytespp, bool yuv_mode) {}
62 static inline int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot)
63  { return 0; }
64 static inline void omap_vrfb_restore_context(void) {}
65 #endif
66 #endif /* __VRFB_H */