tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
10static 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
16static 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
29static inline int fb_is_primary_device(struct fb_info *info)
30{
31 return 0;
32}
33
34#endif /* _ASM_FB_H_ */