1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * VRFB Rotation Engine |
4 | * |
5 | * Copyright (C) 2009 Nokia Corporation |
6 | * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> |
7 | */ |
8 | |
9 | #ifndef __OMAP_VRFB_H__ |
10 | #define __OMAP_VRFB_H__ |
11 | |
12 | #define OMAP_VRFB_LINE_LEN 2048 |
13 | |
14 | struct vrfb { |
15 | u8 context; |
16 | void __iomem *vaddr[4]; |
17 | unsigned long paddr[4]; |
18 | u16 xres; |
19 | u16 yres; |
20 | u16 xoffset; |
21 | u16 yoffset; |
22 | u8 bytespp; |
23 | bool yuv_mode; |
24 | }; |
25 | |
26 | #ifdef CONFIG_OMAP2_VRFB |
27 | extern bool omap_vrfb_supported(void); |
28 | extern int omap_vrfb_request_ctx(struct vrfb *vrfb); |
29 | extern void omap_vrfb_release_ctx(struct vrfb *vrfb); |
30 | extern void omap_vrfb_adjust_size(u16 *width, u16 *height, |
31 | u8 bytespp); |
32 | extern u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp); |
33 | extern u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp); |
34 | extern void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr, |
35 | u16 width, u16 height, |
36 | unsigned bytespp, bool yuv_mode); |
37 | extern int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot); |
38 | extern void omap_vrfb_restore_context(void); |
39 | |
40 | #else |
41 | static inline bool omap_vrfb_supported(void) { return false; } |
42 | static inline int omap_vrfb_request_ctx(struct vrfb *vrfb) { return 0; } |
43 | static inline void omap_vrfb_release_ctx(struct vrfb *vrfb) {} |
44 | static inline void omap_vrfb_adjust_size(u16 *width, u16 *height, |
45 | u8 bytespp) {} |
46 | static inline u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp) |
47 | { return 0; } |
48 | static inline u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp) |
49 | { return 0; } |
50 | static inline void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr, |
51 | u16 width, u16 height, unsigned bytespp, bool yuv_mode) {} |
52 | static inline int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot) |
53 | { return 0; } |
54 | static inline void omap_vrfb_restore_context(void) {} |
55 | #endif |
56 | #endif /* __VRFB_H */ |
57 | |