39 lines
882 B
C
39 lines
882 B
C
|
#ifndef _ASM_FB_H_
|
||
|
|
#define _ASM_FB_H_
|
||
|
|
|
||
|
|
#include <linux/fb.h>
|
||
|
|
#include <linux/fs.h>
|
||
|
|
#include <asm/page.h>
|
||
|
|
#include <asm/setup.h>
|
||
|
|
|
||
|
|
#ifdef CONFIG_MMU
|
||
|
|
#ifdef CONFIG_SUN3
|
||
|
|
static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
|
||
|
|
unsigned long off)
|
||
|
|
{
|
||
|
|
pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
|
||
|
|
unsigned long off)
|
||
|
|
{
|
||
|
|
if (CPU_IS_020_OR_030)
|
||
|
|
pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030;
|
||
|
|
if (CPU_IS_040_OR_060) {
|
||
|
|
pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
|
||
|
|
/* Use no-cache mode, serialized */
|
||
|
|
pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_SUN3 */
|
||
|
|
#else
|
||
|
|
#define fb_pgprotect(...) do {} while (0)
|
||
|
|
#endif /* CONFIG_MMU */
|
||
|
|
|
||
|
|
static inline int fb_is_primary_device(struct fb_info *info)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* _ASM_FB_H_ */
|