fbdev: detect primary display device
[linux-2.6.git] / include / asm-m68k / 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_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_ */