LXR linux/include/video/omapvrfb.h

   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 */
  57