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
  11 static 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
  17 static 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
  33 static inline int fb_is_primary_device(struct fb_info *info)
  34 {
  35         return 0;
  36 }
  37
  38 #endif /* _ASM_FB_H_ */