| Antonino A. Daplas | 10eb265 | 2007-07-17 04:05:27 -0700 | [diff] [blame^] | 1 | #ifndef _ASM_FB_H_ |
| 2 | #define _ASM_FB_H_ |
| 3 | |
| 4 | #include <linux/fs.h> |
| 5 | #include <asm/page.h> |
| 6 | #include <asm/setup.h> |
| 7 | |
| 8 | #ifdef CONFIG_SUN3 |
| 9 | static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, |
| 10 | unsigned long off) |
| 11 | { |
| 12 | pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE; |
| 13 | } |
| 14 | #else |
| 15 | static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, |
| 16 | unsigned long off) |
| 17 | { |
| 18 | if (CPU_IS_020_OR_030) |
| 19 | pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030; |
| 20 | if (CPU_IS_040_OR_060) { |
| 21 | pgprot_val(vma->vm_page_prot) &= _CACHEMASK040; |
| 22 | /* Use no-cache mode, serialized */ |
| 23 | pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S; |
| 24 | } |
| 25 | } |
| 26 | #endif /* CONFIG_SUN3 */ |
| 27 | |
| 28 | #endif /* _ASM_FB_H_ */ |