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_ */ 39