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