| Greg Ungerer | 146b7cd | 2009-02-06 14:25:53 +1000 | [diff] [blame] | 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 | } |
| Sam Ravnborg | 4914802 | 2009-01-16 21:58:10 +1000 | [diff] [blame] | 16 | #else |
| Greg Ungerer | 146b7cd | 2009-02-06 14:25:53 +1000 | [diff] [blame] | 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_ */ |