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
26struct 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
39extern bool omap_vrfb_supported(void);
40extern int omap_vrfb_request_ctx(struct vrfb *vrfb);
41extern void omap_vrfb_release_ctx(struct vrfb *vrfb);
42extern void omap_vrfb_adjust_size(u16 *width, u16 *height,
43 u8 bytespp);
44extern u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp);
45extern u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp);
46extern void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
47 u16 width, u16 height,
48 unsigned bytespp, bool yuv_mode);
49extern int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot);
50extern void omap_vrfb_restore_context(void);
51
52#else
53static inline bool omap_vrfb_supported(void) { return false; }
54static inline int omap_vrfb_request_ctx(struct vrfb *vrfb) { return 0; }
55static inline void omap_vrfb_release_ctx(struct vrfb *vrfb) {}
56static inline void omap_vrfb_adjust_size(u16 *width, u16 *height,
57 u8 bytespp) {}
58static inline u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp)
59 { return 0; }
60static inline u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp)
61 { return 0; }
62static inline void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
63 u16 width, u16 height, unsigned bytespp, bool yuv_mode) {}
64static inline int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot)
65 { return 0; }
66static inline void omap_vrfb_restore_context(void) {}
67#endif
68#endif /* __VRFB_H */
69