fbdev: move arch-specific bits to their respective subdirectories

Move arch-specific bits of fb_mmap() to their respective subdirectories

[bob.picco@hp.com: efi_range_is_wc is referenced but not declared]
[bunk@stusta.de: fix include/asm-m68k/fb.h]
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/include/asm-m68k/fb.h b/include/asm-m68k/fb.h
new file mode 100644
index 00000000000..f78bad476b0
--- /dev/null
+++ b/include/asm-m68k/fb.h
@@ -0,0 +1,28 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fs.h>
+#include <asm/page.h>
+#include <asm/setup.h>
+
+#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 */
+
+#endif /* _ASM_FB_H_ */