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1 | /* |
2 | * VRFB Rotation Engine |
3 | * |
4 | * Copyright (C) 2009 Nokia Corporation |
5 | * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> |
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 { |
27 | u8 context; |
28 | void __iomem *vaddr[4]; |
29 | unsigned long paddr[4]; |
30 | u16 xres; |
31 | u16 yres; |
32 | u16 xoffset; |
33 | u16 yoffset; |
34 | u8 bytespp; |
35 | bool yuv_mode; |
36 | }; |
37 | |
38 | #ifdef CONFIG_OMAP2_VRFB |
39 | extern bool omap_vrfb_supported(void); |
40 | extern int omap_vrfb_request_ctx(struct vrfb *vrfb); |
41 | extern void omap_vrfb_release_ctx(struct vrfb *vrfb); |
42 | extern void omap_vrfb_adjust_size(u16 *width, u16 *height, |
43 | u8 bytespp); |
44 | extern u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp); |
45 | extern u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp); |
46 | extern void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr, |
47 | u16 width, u16 height, |
48 | unsigned bytespp, bool yuv_mode); |
49 | extern int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot); |
50 | extern void omap_vrfb_restore_context(void); |
51 | |
52 | #else |
53 | static inline bool omap_vrfb_supported(void) { return false; } |
54 | static inline int omap_vrfb_request_ctx(struct vrfb *vrfb) { return 0; } |
55 | static inline void omap_vrfb_release_ctx(struct vrfb *vrfb) {} |
56 | static inline void omap_vrfb_adjust_size(u16 *width, u16 *height, |
57 | u8 bytespp) {} |
58 | static inline u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp) |
59 | { return 0; } |
60 | static inline u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp) |
61 | { return 0; } |
62 | static inline void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr, |
63 | u16 width, u16 height, unsigned bytespp, bool yuv_mode) {} |
64 | static inline int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot) |
65 | { return 0; } |
66 | static inline void omap_vrfb_restore_context(void) {} |
67 | #endif |
68 | #endif /* __VRFB_H */ |
69 |
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