arch/m68k/include/asm/fb_mm.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_SUN3
  10 static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
  11                                 unsigned long off)
  12 {
  13         pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
  14 }
  15 #else
  16 static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
  17                                 unsigned long off)
  18 {
  19         if (CPU_IS_020_OR_030)
  20                 pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030;
  21         if (CPU_IS_040_OR_060) {
  22                 pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
  23                 /* Use no-cache mode, serialized */
  24                 pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S;
  25         }
  26 }
  27 #endif /* CONFIG_SUN3 */
  28
  29 static inline int fb_is_primary_device(struct fb_info *info)
  30 {
  31         return 0;
  32 }
  33
  34 #endif /* _ASM_FB_H_ */