| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * VRFB Rotation Engine |
| * |
| * Copyright (C) 2009 Nokia Corporation |
| * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> |
| */ |
| |
| #ifndef __OMAP_VRFB_H__ |
| #define __OMAP_VRFB_H__ |
| |
| #define OMAP_VRFB_LINE_LEN 2048 |
| |
| struct vrfb { |
| u8 context; |
| void __iomem *vaddr[4]; |
| unsigned long paddr[4]; |
| u16 xres; |
| u16 yres; |
| u16 xoffset; |
| u16 yoffset; |
| u8 bytespp; |
| bool yuv_mode; |
| }; |
| |
| #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) { return false; } |
| static inline int omap_vrfb_request_ctx(struct vrfb *vrfb) { return 0; } |
| 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) |
| { return 0; } |
| static inline u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp) |
| { return 0; } |
| 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) |
| { return 0; } |
| static inline void omap_vrfb_restore_context(void) {} |
| #endif |
| #endif /* __VRFB_H */ |
