linux/include/video/omapvrfb.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * VRFB Rotation Engine
 *
 * Copyright (C) 2009 Nokia Corporation
 * Author: Tomi Valkeinen <[email protected]>
 */

#ifndef __OMAP_VRFB_H__
#define __OMAP_VRFB_H__

#define OMAP_VRFB_LINE_LEN …

struct vrfb { … };

#ifdef CONFIG_OMAP2_VRFB
extern bool omap_vrfb_supported(void);
extern int omap_vrfb_request_ctx(struct vrfb *vrfb);
extern void omap_vrfb_release_ctx(struct vrfb *vrfb);
extern void omap_vrfb_adjust_size(u16 *width, u16 *height,
		u8 bytespp);
extern u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp);
extern u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp);
extern void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
		u16 width, u16 height,
		unsigned bytespp, bool yuv_mode);
extern int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot);
extern void omap_vrfb_restore_context(void);

#else
static inline bool omap_vrfb_supported(void) { … }
static inline int omap_vrfb_request_ctx(struct vrfb *vrfb) { … }
static inline void omap_vrfb_release_ctx(struct vrfb *vrfb) { … }
static inline void omap_vrfb_adjust_size(u16 *width, u16 *height,
		u8 bytespp) { … }
static inline u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp)
		{ … }
static inline u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp)
		{ … }
static inline void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
		u16 width, u16 height, unsigned bytespp, bool yuv_mode) { … }
static inline int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot)
		{ … }
static inline void omap_vrfb_restore_context(void) { … }
#endif
#endif /* __VRFB_H */