fbdev: move arch-specific bits to their respective subdirectories
Antonino A. Daplas [Tue, 17 Jul 2007 11:05:27 +0000 (04:05 -0700)]
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>

25 files changed:
drivers/video/fbmem.c
include/asm-alpha/fb.h [new file with mode: 0644]
include/asm-arm/fb.h [new file with mode: 0644]
include/asm-arm26/fb.h [new file with mode: 0644]
include/asm-avr32/fb.h [new file with mode: 0644]
include/asm-blackfin/fb.h [new file with mode: 0644]
include/asm-cris/fb.h [new file with mode: 0644]
include/asm-frv/fb.h [new file with mode: 0644]
include/asm-h8300/fb.h [new file with mode: 0644]
include/asm-i386/fb.h [new file with mode: 0644]
include/asm-ia64/fb.h [new file with mode: 0644]
include/asm-m32r/fb.h [new file with mode: 0644]
include/asm-m68k/fb.h [new file with mode: 0644]
include/asm-m68knommu/fb.h [new file with mode: 0644]
include/asm-mips/fb.h [new file with mode: 0644]
include/asm-parisc/fb.h [new file with mode: 0644]
include/asm-powerpc/fb.h [new file with mode: 0644]
include/asm-s390/fb.h [new file with mode: 0644]
include/asm-sh/fb.h [new file with mode: 0644]
include/asm-sh64/fb.h [new file with mode: 0644]
include/asm-sparc/fb.h [new file with mode: 0644]
include/asm-sparc64/fb.h [new file with mode: 0644]
include/asm-v850/fb.h [new file with mode: 0644]
include/asm-x86_64/fb.h [new file with mode: 0644]
include/asm-xtensa/fb.h [new file with mode: 0644]

index 38c2e25..8d6dbe8 100644 (file)
 #include <linux/err.h>
 #include <linux/device.h>
 #include <linux/efi.h>
+#include <linux/fb.h>
 
-#if defined(__mc68000__) || defined(CONFIG_APUS)
-#include <asm/setup.h>
-#endif
-
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
+#include <asm/fb.h>
 
-#include <linux/fb.h>
 
     /*
      *  Frame buffer device initialization and setup routines
@@ -1155,17 +1148,15 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 }
 #endif
 
-static int 
+static int
 fb_mmap(struct file *file, struct vm_area_struct * vma)
 {
        int fbidx = iminor(file->f_path.dentry->d_inode);
        struct fb_info *info = registered_fb[fbidx];
        struct fb_ops *fb = info->fbops;
        unsigned long off;
-#if !defined(__sparc__) || defined(__sparc_v9__)
        unsigned long start;
        u32 len;
-#endif
 
        if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
                return -EINVAL;
@@ -1180,12 +1171,6 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
                return res;
        }
 
-#if defined(__sparc__) && !defined(__sparc_v9__)
-       /* Should never get here, all fb drivers should have their own
-          mmap routines */
-       return -EINVAL;
-#else
-       /* !sparc32... */
        lock_kernel();
 
        /* frame buffer memory */
@@ -1209,50 +1194,11 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
        vma->vm_pgoff = off >> PAGE_SHIFT;
        /* This is an IO map - tell maydump to skip this VMA */
        vma->vm_flags |= VM_IO | VM_RESERVED;
-#if defined(__mc68000__)
-#if defined(CONFIG_SUN3)
-       pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
-#elif defined(CONFIG_MMU)
-       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
-#elif defined(__powerpc__)
-       vma->vm_page_prot = phys_mem_access_prot(file, off >> PAGE_SHIFT,
-                                                vma->vm_end - vma->vm_start,
-                                                vma->vm_page_prot);
-#elif defined(__alpha__)
-       /* Caching is off in the I/O space quadrant by design.  */
-#elif defined(__i386__) || defined(__x86_64__)
-       if (boot_cpu_data.x86 > 3)
-               pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
-#elif defined(__mips__) || defined(__sparc_v9__)
-       vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-#elif defined(__hppa__)
-       pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
-#elif defined(__arm__) || defined(__sh__) || defined(__m32r__)
-       vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
-#elif defined(__avr32__)
-       vma->vm_page_prot = __pgprot((pgprot_val(vma->vm_page_prot)
-                                     & ~_PAGE_CACHABLE)
-                                    | (_PAGE_BUFFER | _PAGE_DIRTY));
-#elif defined(__ia64__)
-       if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start))
-               vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
-       else
-               vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-#else
-#warning What do we have to do here??
-#endif
+       fb_pgprotect(file, vma, off);
        if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
                             vma->vm_end - vma->vm_start, vma->vm_page_prot))
                return -EAGAIN;
        return 0;
-#endif /* !sparc32 */
 }
 
 static int
diff --git a/include/asm-alpha/fb.h b/include/asm-alpha/fb.h
new file mode 100644 (file)
index 0000000..ca714a4
--- /dev/null
@@ -0,0 +1,7 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+/* Caching is off in the I/O space quadrant by design.  */
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-arm/fb.h b/include/asm-arm/fb.h
new file mode 100644 (file)
index 0000000..4bf5b88
--- /dev/null
@@ -0,0 +1,13 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fs.h>
+#include <asm/page.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+                               unsigned long off)
+{
+       vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+}
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-arm26/fb.h b/include/asm-arm26/fb.h
new file mode 100644 (file)
index 0000000..9f8c88d
--- /dev/null
@@ -0,0 +1,6 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-avr32/fb.h b/include/asm-avr32/fb.h
new file mode 100644 (file)
index 0000000..d22a4a8
--- /dev/null
@@ -0,0 +1,15 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fs.h>
+#include <asm/page.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+                               unsigned long off)
+{
+       vma->vm_page_prot = __pgprot((pgprot_val(vma->vm_page_prot)
+                                     & ~_PAGE_CACHABLE)
+                                    | (_PAGE_BUFFER | _PAGE_DIRTY));
+}
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-blackfin/fb.h b/include/asm-blackfin/fb.h
new file mode 100644 (file)
index 0000000..9f8c88d
--- /dev/null
@@ -0,0 +1,6 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-cris/fb.h b/include/asm-cris/fb.h
new file mode 100644 (file)
index 0000000..9f8c88d
--- /dev/null
@@ -0,0 +1,6 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-frv/fb.h b/include/asm-frv/fb.h
new file mode 100644 (file)
index 0000000..9f8c88d
--- /dev/null
@@ -0,0 +1,6 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-h8300/fb.h b/include/asm-h8300/fb.h
new file mode 100644 (file)
index 0000000..9f8c88d
--- /dev/null
@@ -0,0 +1,6 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-i386/fb.h b/include/asm-i386/fb.h
new file mode 100644 (file)
index 0000000..d30073c
--- /dev/null
@@ -0,0 +1,14 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fs.h>
+#include <asm/page.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+                               unsigned long off)
+{
+       if (boot_cpu_data.x86 > 3)
+               pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
+}
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-ia64/fb.h b/include/asm-ia64/fb.h
new file mode 100644 (file)
index 0000000..9d4577f
--- /dev/null
@@ -0,0 +1,17 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fs.h>
+#include <linux/efi.h>
+#include <asm/page.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+                               unsigned long off)
+{
+       if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start))
+               vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+       else
+               vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+}
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-m32r/fb.h b/include/asm-m32r/fb.h
new file mode 100644 (file)
index 0000000..4bf5b88
--- /dev/null
@@ -0,0 +1,13 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fs.h>
+#include <asm/page.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+                               unsigned long off)
+{
+       vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+}
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-m68k/fb.h b/include/asm-m68k/fb.h
new file mode 100644 (file)
index 0000000..f78bad4
--- /dev/null
@@ -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_ */
diff --git a/include/asm-m68knommu/fb.h b/include/asm-m68knommu/fb.h
new file mode 100644 (file)
index 0000000..9f8c88d
--- /dev/null
@@ -0,0 +1,6 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-mips/fb.h b/include/asm-mips/fb.h
new file mode 100644 (file)
index 0000000..ac23d96
--- /dev/null
@@ -0,0 +1,13 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fs.h>
+#include <asm/page.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+                               unsigned long off)
+{
+       vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+}
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-parisc/fb.h b/include/asm-parisc/fb.h
new file mode 100644 (file)
index 0000000..d5e47ed
--- /dev/null
@@ -0,0 +1,13 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fs.h>
+#include <asm/page.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+                               unsigned long off)
+{
+       pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
+}
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-powerpc/fb.h b/include/asm-powerpc/fb.h
new file mode 100644 (file)
index 0000000..e13d6eb
--- /dev/null
@@ -0,0 +1,15 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fs.h>
+#include <asm/page.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+                               unsigned long off)
+{
+       vma->vm_page_prot = phys_mem_access_prot(file, off >> PAGE_SHIFT,
+                                                vma->vm_end - vma->vm_start,
+                                                vma->vm_page_prot);
+}
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-s390/fb.h b/include/asm-s390/fb.h
new file mode 100644 (file)
index 0000000..9f8c88d
--- /dev/null
@@ -0,0 +1,6 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-sh/fb.h b/include/asm-sh/fb.h
new file mode 100644 (file)
index 0000000..4bf5b88
--- /dev/null
@@ -0,0 +1,13 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fs.h>
+#include <asm/page.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+                               unsigned long off)
+{
+       vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+}
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-sh64/fb.h b/include/asm-sh64/fb.h
new file mode 100644 (file)
index 0000000..4bf5b88
--- /dev/null
@@ -0,0 +1,13 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fs.h>
+#include <asm/page.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+                               unsigned long off)
+{
+       vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+}
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-sparc/fb.h b/include/asm-sparc/fb.h
new file mode 100644 (file)
index 0000000..9f8c88d
--- /dev/null
@@ -0,0 +1,6 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-sparc64/fb.h b/include/asm-sparc64/fb.h
new file mode 100644 (file)
index 0000000..8703c70
--- /dev/null
@@ -0,0 +1,12 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+#include <linux/fs.h>
+#include <asm/page.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+                               unsigned long off)
+{
+       vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+}
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-v850/fb.h b/include/asm-v850/fb.h
new file mode 100644 (file)
index 0000000..9f8c88d
--- /dev/null
@@ -0,0 +1,6 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-x86_64/fb.h b/include/asm-x86_64/fb.h
new file mode 100644 (file)
index 0000000..d30073c
--- /dev/null
@@ -0,0 +1,14 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fs.h>
+#include <asm/page.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+                               unsigned long off)
+{
+       if (boot_cpu_data.x86 > 3)
+               pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
+}
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-xtensa/fb.h b/include/asm-xtensa/fb.h
new file mode 100644 (file)
index 0000000..9f8c88d
--- /dev/null
@@ -0,0 +1,6 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */