1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * VRFB Rotation Engine
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2009 Nokia Corporation
6*4882a593Smuzhiyun * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #ifndef __OMAP_VRFB_H__
10*4882a593Smuzhiyun #define __OMAP_VRFB_H__
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #define OMAP_VRFB_LINE_LEN 2048
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun struct vrfb {
15*4882a593Smuzhiyun u8 context;
16*4882a593Smuzhiyun void __iomem *vaddr[4];
17*4882a593Smuzhiyun unsigned long paddr[4];
18*4882a593Smuzhiyun u16 xres;
19*4882a593Smuzhiyun u16 yres;
20*4882a593Smuzhiyun u16 xoffset;
21*4882a593Smuzhiyun u16 yoffset;
22*4882a593Smuzhiyun u8 bytespp;
23*4882a593Smuzhiyun bool yuv_mode;
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun #ifdef CONFIG_OMAP2_VRFB
27*4882a593Smuzhiyun extern bool omap_vrfb_supported(void);
28*4882a593Smuzhiyun extern int omap_vrfb_request_ctx(struct vrfb *vrfb);
29*4882a593Smuzhiyun extern void omap_vrfb_release_ctx(struct vrfb *vrfb);
30*4882a593Smuzhiyun extern void omap_vrfb_adjust_size(u16 *width, u16 *height,
31*4882a593Smuzhiyun u8 bytespp);
32*4882a593Smuzhiyun extern u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp);
33*4882a593Smuzhiyun extern u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp);
34*4882a593Smuzhiyun extern void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
35*4882a593Smuzhiyun u16 width, u16 height,
36*4882a593Smuzhiyun unsigned bytespp, bool yuv_mode);
37*4882a593Smuzhiyun extern int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot);
38*4882a593Smuzhiyun extern void omap_vrfb_restore_context(void);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun #else
omap_vrfb_supported(void)41*4882a593Smuzhiyun static inline bool omap_vrfb_supported(void) { return false; }
omap_vrfb_request_ctx(struct vrfb * vrfb)42*4882a593Smuzhiyun static inline int omap_vrfb_request_ctx(struct vrfb *vrfb) { return 0; }
omap_vrfb_release_ctx(struct vrfb * vrfb)43*4882a593Smuzhiyun static inline void omap_vrfb_release_ctx(struct vrfb *vrfb) {}
omap_vrfb_adjust_size(u16 * width,u16 * height,u8 bytespp)44*4882a593Smuzhiyun static inline void omap_vrfb_adjust_size(u16 *width, u16 *height,
45*4882a593Smuzhiyun u8 bytespp) {}
omap_vrfb_min_phys_size(u16 width,u16 height,u8 bytespp)46*4882a593Smuzhiyun static inline u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp)
47*4882a593Smuzhiyun { return 0; }
omap_vrfb_max_height(u32 phys_size,u16 width,u8 bytespp)48*4882a593Smuzhiyun static inline u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp)
49*4882a593Smuzhiyun { return 0; }
omap_vrfb_setup(struct vrfb * vrfb,unsigned long paddr,u16 width,u16 height,unsigned bytespp,bool yuv_mode)50*4882a593Smuzhiyun static inline void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
51*4882a593Smuzhiyun u16 width, u16 height, unsigned bytespp, bool yuv_mode) {}
omap_vrfb_map_angle(struct vrfb * vrfb,u16 height,u8 rot)52*4882a593Smuzhiyun static inline int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot)
53*4882a593Smuzhiyun { return 0; }
omap_vrfb_restore_context(void)54*4882a593Smuzhiyun static inline void omap_vrfb_restore_context(void) {}
55*4882a593Smuzhiyun #endif
56*4882a593Smuzhiyun #endif /* __VRFB_H */
57