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C/C++ Source or Header  |  2008-12-24  |  792 b   |  35 lines
  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_ */
  35.