drm: Create drm legacy driver header

And move a few legayc functions to start things over there.

It compiles ...

Inspired by a patch from Dave Airlie, but with a split between drm.ko
private legacy functions and stuff used by drivers.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/drm_legacy.h

@@ -29,6 +29,7 @@
  * drivers use them, and removing them are API breaks.
  */
 #include <linux/list.h>
+#include <drm/drm_legacy.h>
 
 struct agp_memory;
 struct drm_device;

drivers/gpu/drm/i810/i810_drv.h

@@ -32,6 +32,8 @@
 #ifndef _I810_DRV_H_
 #define _I810_DRV_H_
 
+#include <drm/drm_legacy.h>
+
 /* General customization:
  */
 

drivers/gpu/drm/i915/i915_dma.c

@@ -31,6 +31,7 @@
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_fb_helper.h>
+#include <drm/drm_legacy.h>
 #include "intel_drv.h"
 #include <drm/i915_drm.h>
 #include "i915_drv.h"

drivers/gpu/drm/mga/mga_drv.h

@@ -31,6 +31,8 @@
 #ifndef __MGA_DRV_H__
 #define __MGA_DRV_H__
 
+#include <drm/drm_legacy.h>
+
 /* General customization:
  */
 

drivers/gpu/drm/r128/r128_drv.h

@@ -36,6 +36,8 @@
 #define __R128_DRV_H__
 
 #include <drm/ati_pcigart.h>
+#include <drm/drm_legacy.h>
+
 /* General customization:
  */
 #define DRIVER_AUTHOR		"Gareth Hughes, VA Linux Systems Inc."

drivers/gpu/drm/radeon/radeon_drv.h

@@ -33,6 +33,7 @@
 
 #include <linux/firmware.h>
 #include <linux/platform_device.h>
+#include <drm/drm_legacy.h>
 
 #include <drm/ati_pcigart.h>
 #include "radeon_family.h"

drivers/gpu/drm/savage/savage_drv.h

@@ -26,6 +26,8 @@
 #ifndef __SAVAGE_DRV_H__
 #define __SAVAGE_DRV_H__
 
+#include <drm/drm_legacy.h>
+
 #define DRIVER_AUTHOR	"Felix Kuehling"
 
 #define DRIVER_NAME	"savage"

drivers/gpu/drm/sis/sis_drv.h

@@ -28,6 +28,8 @@
 #ifndef _SIS_DRV_H_
 #define _SIS_DRV_H_
 
+#include <drm/drm_legacy.h>
+
 /* General customization:
  */
 

drivers/gpu/drm/via/via_drv.h

@@ -25,6 +25,8 @@
 #define _VIA_DRV_H_
 
 #include <drm/drm_mm.h>
+#include <drm/drm_legacy.h>
+
 #define DRIVER_AUTHOR	"Various"
 
 #define DRIVER_NAME		"via"

include/drm/drmP.h

@@ -1309,21 +1309,6 @@ extern int drm_pci_set_unique(struct drm_device *dev,
 			      struct drm_master *master,
 			      struct drm_unique *u);
 
-				/* Legacy Support */
-
-int drm_legacy_addmap(struct drm_device *d, resource_size_t offset,
-		      unsigned int size, enum drm_map_type type,
-		      enum drm_map_flags flags, struct drm_local_map **map_p);
-int drm_legacy_rmmap(struct drm_device *d, struct drm_local_map *map);
-int drm_legacy_rmmap_locked(struct drm_device *d, struct drm_local_map *map);
-struct drm_local_map *drm_legacy_getsarea(struct drm_device *dev);
-
-int drm_legacy_addbufs_agp(struct drm_device *d, struct drm_buf_desc *req);
-int drm_legacy_addbufs_pci(struct drm_device *d, struct drm_buf_desc *req);
-
-void drm_legacy_idlelock_take(struct drm_lock_data *lock);
-void drm_legacy_idlelock_release(struct drm_lock_data *lock);
-
 			       /* sysfs support (drm_sysfs.c) */
 struct drm_sysfs_class;
 extern struct class *drm_sysfs_create(struct module *owner, char *name);

include/drm/drm_legacy.h

@@ -0,0 +1,58 @@
+#ifndef __DRM_DRM_LEGACY_H__
+#define __DRM_DRM_LEGACY_H__
+
+/*
+ * Legacy driver interfaces for the Direct Rendering Manager
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * Copyright (c) 2009-2010, Code Aurora Forum.
+ * All rights reserved.
+ * Copyright © 2014 Intel Corporation
+ *   Daniel Vetter <daniel.vetter@ffwll.ch>
+ *
+ * Author: Rickard E. (Rik) Faith <faith@valinux.com>
+ * Author: Gareth Hughes <gareth@valinux.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * Legacy Support for palateontologic DRM drivers
+ *
+ * If you add a new driver and it uses any of these functions or structures,
+ * you're doing it terribly wrong.
+ */
+
+int drm_legacy_addmap(struct drm_device *d, resource_size_t offset,
+		      unsigned int size, enum drm_map_type type,
+		      enum drm_map_flags flags, struct drm_local_map **map_p);
+int drm_legacy_rmmap(struct drm_device *d, struct drm_local_map *map);
+int drm_legacy_rmmap_locked(struct drm_device *d, struct drm_local_map *map);
+struct drm_local_map *drm_legacy_getsarea(struct drm_device *dev);
+
+int drm_legacy_addbufs_agp(struct drm_device *d, struct drm_buf_desc *req);
+int drm_legacy_addbufs_pci(struct drm_device *d, struct drm_buf_desc *req);
+
+void drm_legacy_idlelock_take(struct drm_lock_data *lock);
+void drm_legacy_idlelock_release(struct drm_lock_data *lock);
+
+#endif /* __DRM_DRM_LEGACY_H__ */