LXR linux/arch/m68k/include/asm/fb.h

   1#ifndef _ASM_FB_H_
   2#define _ASM_FB_H_
   3
   4#include <linux/fb.h>
   5#include <linux/fs.h>
   6#include <asm/page.h>
   7#include <asm/setup.h>
   8
   9#ifdef CONFIG_MMU
  10#ifdef CONFIG_SUN3
  11static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
  12                                unsigned long off)
  13{
  14        pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
  15}
  16#else
  17static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
  18                                unsigned long off)
  19{
  20        if (CPU_IS_020_OR_030)
  21                pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030;
  22        if (CPU_IS_040_OR_060) {
  23                pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
  24                /* Use no-cache mode, serialized */
  25                pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S;
  26        }
  27}
  28#endif /* CONFIG_SUN3 */
  29#else
  30#define fb_pgprotect(...) do {} while (0)
  31#endif /* CONFIG_MMU */
  32
  33static inline int fb_is_primary_device(struct fb_info *info)
  34{
  35        return 0;
  36}
  37
  38#endif /* _ASM_FB_H_ */
  39