omapvrfb.h (1833B)
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 14struct 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 27extern bool omap_vrfb_supported(void); 28extern int omap_vrfb_request_ctx(struct vrfb *vrfb); 29extern void omap_vrfb_release_ctx(struct vrfb *vrfb); 30extern void omap_vrfb_adjust_size(u16 *width, u16 *height, 31 u8 bytespp); 32extern u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp); 33extern u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp); 34extern void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr, 35 u16 width, u16 height, 36 unsigned bytespp, bool yuv_mode); 37extern int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot); 38extern void omap_vrfb_restore_context(void); 39 40#else 41static inline bool omap_vrfb_supported(void) { return false; } 42static inline int omap_vrfb_request_ctx(struct vrfb *vrfb) { return 0; } 43static inline void omap_vrfb_release_ctx(struct vrfb *vrfb) {} 44static inline void omap_vrfb_adjust_size(u16 *width, u16 *height, 45 u8 bytespp) {} 46static inline u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp) 47 { return 0; } 48static inline u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp) 49 { return 0; } 50static inline void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr, 51 u16 width, u16 height, unsigned bytespp, bool yuv_mode) {} 52static inline int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot) 53 { return 0; } 54static inline void omap_vrfb_restore_context(void) {} 55#endif 56#endif /* __VRFB_H */