| #ifndef _ASM_FB_H_ |
| #define _ASM_FB_H_ |
| |
| #include <linux/fb.h> |
| #include <linux/fs.h> |
| #include <asm/page.h> |
| #include <asm/setup.h> |
| |
| #ifdef CONFIG_MMU |
| #ifdef CONFIG_SUN3 |
| static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, |
| unsigned long off) |
| { |
| pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE; |
| } |
| #else |
| static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, |
| unsigned long off) |
| { |
| if (CPU_IS_020_OR_030) |
| pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030; |
| if (CPU_IS_040_OR_060) { |
| pgprot_val(vma->vm_page_prot) &= _CACHEMASK040; |
| /* Use no-cache mode, serialized */ |
| pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S; |
| } |
| } |
| #endif /* CONFIG_SUN3 */ |
| #else |
| #define fb_pgprotect(...) do {} while (0) |
| #endif /* CONFIG_MMU */ |
| |
| static inline int fb_is_primary_device(struct fb_info *info) |
| { |
| return 0; |
| } |
| |
| #endif /* _ASM_FB_H_ */ |