X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fvideo%2Fsbuslib.c;h=37d764ad56b052a8249dc8d9062c7af07a09d167;hb=35ad1c8803921b28541ad28bfb18dc3b6295ba98;hp=646c43f921c55b3bc0774fecbd92cb38778b3b33;hpb=9ffb83bcc5c5337f980dc0576bf13ac9bd4fd33d;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/video/sbuslib.c b/drivers/video/sbuslib.c
index 646c43f..37d764a 100644
--- a/drivers/video/sbuslib.c
+++ b/drivers/video/sbuslib.c
@@ -9,18 +9,20 @@
 #include <linux/string.h>
 #include <linux/fb.h>
 #include <linux/mm.h>
+#include <linux/uaccess.h>
+#include <linux/of_device.h>
 
-#include <asm/oplib.h>
 #include <asm/fbio.h>
 
 #include "sbuslib.h"
 
-void sbusfb_fill_var(struct fb_var_screeninfo *var, int prom_node, int bpp)
+void sbusfb_fill_var(struct fb_var_screeninfo *var, struct device_node *dp,
+		     int bpp)
 {
 	memset(var, 0, sizeof(*var));
 
-	var->xres = prom_getintdefault(prom_node, "width", 1152);
-	var->yres = prom_getintdefault(prom_node, "height", 900);
+	var->xres = of_getintprop_default(dp, "width", 1152);
+	var->yres = of_getintprop_default(dp, "height", 900);
 	var->xres_virtual = var->xres;
 	var->yres_virtual = var->yres;
 	var->bits_per_pixel = bpp;
@@ -46,6 +48,9 @@ int sbusfb_mmap_helper(struct sbus_mmap_map *map,
 	unsigned long off;
 	int i;
                                         
+	if (!(vma->vm_flags & (VM_SHARED | VM_MAYSHARE)))
+		return -EINVAL;
+
 	size = vma->vm_end - vma->vm_start;
 	if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
 		return -EINVAL;
@@ -55,6 +60,8 @@ int sbusfb_mmap_helper(struct sbus_mmap_map *map,
 	/* To stop the swapper from even considering these pages */
 	vma->vm_flags |= (VM_IO | VM_RESERVED);
 	
+	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+
 	/* Each page, see which map applies */
 	for (page = 0; page < size; ){
 		map_size = 0;
@@ -185,19 +192,7 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
 EXPORT_SYMBOL(sbusfb_ioctl_helper);
 
 #ifdef CONFIG_COMPAT
-struct  fbcmap32 {
-	int             index;          /* first element (0 origin) */
-	int             count;
-	u32		red;
-	u32		green;
-	u32		blue;
-};
-
-#define FBIOPUTCMAP32	_IOW('F', 3, struct fbcmap32)
-#define FBIOGETCMAP32	_IOW('F', 4, struct fbcmap32)
-
-static int fbiogetputcmap(struct file *file, struct fb_info *info,
-		unsigned int cmd, unsigned long arg)
+static int fbiogetputcmap(struct fb_info *info, unsigned int cmd, unsigned long arg)
 {
 	struct fbcmap32 __user *argp = (void __user *)arg;
 	struct fbcmap __user *p = compat_alloc_user_space(sizeof(*p));
@@ -213,28 +208,13 @@ static int fbiogetputcmap(struct file *file, struct fb_info *info,
 	ret |= put_user(compat_ptr(addr), &p->blue);
 	if (ret)
 		return -EFAULT;
-	return info->fbops->fb_ioctl(file->f_dentry->d_inode, file,
+	return info->fbops->fb_ioctl(info,
 			(cmd == FBIOPUTCMAP32) ?
 			FBIOPUTCMAP_SPARC : FBIOGETCMAP_SPARC,
-			(unsigned long)p, info);
+			(unsigned long)p);
 }
 
-struct fbcursor32 {
-	short set;		/* what to set, choose from the list above */
-	short enable;		/* cursor on/off */
-	struct fbcurpos pos;	/* cursor position */
-	struct fbcurpos hot;	/* cursor hot spot */
-	struct fbcmap32 cmap;	/* color map info */
-	struct fbcurpos size;	/* cursor bit map size */
-	u32	image;		/* cursor image bits */
-	u32	mask;		/* cursor mask bits */
-};
-
-#define FBIOSCURSOR32	_IOW('F', 24, struct fbcursor32)
-#define FBIOGCURSOR32	_IOW('F', 25, struct fbcursor32)
-
-static int fbiogscursor(struct file *file, struct fb_info *info,
-		unsigned long arg)
+static int fbiogscursor(struct fb_info *info, unsigned long arg)
 {
 	struct fbcursor __user *p = compat_alloc_user_space(sizeof(*p));
 	struct fbcursor32 __user *argp =  (void __user *)arg;
@@ -257,12 +237,10 @@ static int fbiogscursor(struct file *file, struct fb_info *info,
 	ret |= put_user(compat_ptr(addr), &p->image);
 	if (ret)
 		return -EFAULT;
-	return info->fbops->fb_ioctl(file->f_dentry->d_inode, file,
-			FBIOSCURSOR, (unsigned long)p, info);
+	return info->fbops->fb_ioctl(info, FBIOSCURSOR, (unsigned long)p);
 }
 
-long sbusfb_compat_ioctl(struct file *file, unsigned int cmd,
-		unsigned long arg, struct fb_info *info)
+int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
 {
 	switch (cmd) {
 	case FBIOGTYPE:
@@ -275,14 +253,13 @@ long sbusfb_compat_ioctl(struct file *file, unsigned int cmd,
 	case FBIOSCURPOS:
 	case FBIOGCURPOS:
 	case FBIOGCURMAX:
-		return info->fbops->fb_ioctl(file->f_dentry->d_inode,
-				file, cmd, arg, info);
+		return info->fbops->fb_ioctl(info, cmd, arg);
 	case FBIOPUTCMAP32:
-		return fbiogetputcmap(file, info, cmd, arg);
+		return fbiogetputcmap(info, cmd, arg);
 	case FBIOGETCMAP32:
-		return fbiogetputcmap(file, info, cmd, arg);
+		return fbiogetputcmap(info, cmd, arg);
 	case FBIOSCURSOR32:
-		return fbiogscursor(file, info, arg);
+		return fbiogscursor(info, arg);
 	default:
 		return -ENOIOCTLCMD;
 	}