| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * VRFB Rotation Engine |
| 4 | * |
| 5 | * Copyright (C) 2009 Nokia Corporation |
| 6 | * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 */ |