#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
}
#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;
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 */
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
--- /dev/null
+#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_ */
--- /dev/null
+#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_ */
--- /dev/null
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
--- /dev/null
+#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_ */
--- /dev/null
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
--- /dev/null
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
--- /dev/null
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
--- /dev/null
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
--- /dev/null
+#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_ */
--- /dev/null
+#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_ */
--- /dev/null
+#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_ */
--- /dev/null
+#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_ */
--- /dev/null
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
--- /dev/null
+#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_ */
--- /dev/null
+#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_ */
--- /dev/null
+#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_ */
--- /dev/null
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
--- /dev/null
+#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_ */
--- /dev/null
+#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_ */
--- /dev/null
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
--- /dev/null
+#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_ */
--- /dev/null
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
--- /dev/null
+#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_ */
--- /dev/null
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */