Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/video/omapvrfb.h
26285 views
1
/* SPDX-License-Identifier: GPL-2.0-only */

2
/*

3
 * VRFB Rotation Engine

4
 *

5
 * Copyright (C) 2009 Nokia Corporation

6
 * Author: Tomi Valkeinen <[email protected]>

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


58