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Diffstat (limited to '')
| -rw-r--r-- | include/video/omapvrfb.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/include/video/omapvrfb.h b/include/video/omapvrfb.h new file mode 100644 index 000000000..9741e77f1 --- /dev/null +++ b/include/video/omapvrfb.h @@ -0,0 +1,56 @@ +/* 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 */ |