drm: Replace DRM_IOCTL_ARGS with (dev, data, file_priv) and remove DRM_DEVICE.

The data is now in kernel space, copied in/out as appropriate according to t
This results in DRM_COPY_{TO,FROM}_USER going away, and error paths to deal
with those failures.  This also means that XFree86 4.2.0 support for i810 DR
is lost.

Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/i830_drv.h b/drivers/char/drm/i830_drv.h
index 615bf9f..db3a9fa 100644
--- a/drivers/char/drm/i830_drv.h
+++ b/drivers/char/drm/i830_drv.h
@@ -122,14 +122,14 @@
 
 } drm_i830_private_t;
 
-extern drm_ioctl_desc_t i830_ioctls[];
+extern struct drm_ioctl_desc i830_ioctls[];
 extern int i830_max_ioctl;
 
 /* i830_irq.c */
-extern int i830_irq_emit(struct inode *inode, struct drm_file *file_priv,
-			 unsigned int cmd, unsigned long arg);
-extern int i830_irq_wait(struct inode *inode, struct drm_file *file_priv,
-			 unsigned int cmd, unsigned long arg);
+extern int i830_irq_emit(struct drm_device *dev, void *data,
+			 struct drm_file *file_priv);
+extern int i830_irq_wait(struct drm_device *dev, void *data,
+			 struct drm_file *file_priv);
 
 extern irqreturn_t i830_driver_irq_handler(DRM_IRQ_ARGS);
 extern void i830_driver_irq_preinstall(struct drm_device * dev);