Split declarations/definitions in drm_scatter.h into drm_sg.h/drm_sg_tmp.h

    respectively. Splited the work out of the ioctls and renamed (with the
    _ioctl prefix). Added some more documentation. Did the same for
    drm_sgpsupport.h.

1 files changed, 95 insertions, 0 deletions

diff --git a/linux/drm_agp.h b/linux/drm_agp.h
new file mode 100644
index 00000000..27c2b29f
--- /dev/null
+++ b/linux/drm_agp.h
@@ -0,0 +1,95 @@
+/**
+ * \file drm_agp.h 
+ * DRM support for AGP/GART backend
+ *    
+ * \author Rickard E. (Rik) Faith <faith@valinux.com>
+ * \author Gareth Hughes <gareth@valinux.com>
+ */
+
+/*
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef _DRM_AGP_H_
+#define _DRM_AGP_H_
+
+
+/** 
+ * AGP memory entry.  Stored as a doubly linked list.
+ */
+typedef struct drm_agp_mem {
+	unsigned long      handle;	/**< handle */
+	agp_memory         *memory;	
+	unsigned long      bound;	/**< address */
+	int                pages;
+	struct drm_agp_mem *prev;	/**< previous entry */
+	struct drm_agp_mem *next;	/**< next entry */
+} drm_agp_mem_t;
+
+/**
+ * AGP data.
+ *
+ * \sa DRM(agp_init)() and drm_device::agp.
+ */
+typedef struct drm_agp_head {
+	agp_kern_info      agp_info;	/**< AGP device information */
+	drm_agp_mem_t      *memory;	/**< memory entries */
+	unsigned long      mode;	/**< AGP mode */
+	int                enabled;	/**< whether the AGP bus as been enabled */
+	int                acquired;	/**< whether the AGP device has been acquired */
+	unsigned long      base;
+   	int 		   agp_mtrr;
+	int		   cant_use_aperture;
+	unsigned long	   page_mask;
+} drm_agp_head_t;
+
+
+/** \name Prototypes */
+/*@{*/
+
+extern int DRM(agp_acquire)(void);
+extern void DRM(agp_release)(void);
+extern void DRM(agp_enable)(unsigned mode);
+extern agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type);
+extern int DRM(agp_free_memory)(agp_memory *handle);
+extern int DRM(agp_bind_memory)(agp_memory *handle, off_t start);
+extern int DRM(agp_unbind_memory)(agp_memory *handle);
+
+extern int DRM(agp_acquire_ioctl)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
+extern int DRM(agp_release_ioctl)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
+extern int DRM(agp_enable_ioctl)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
+extern int DRM(agp_info_ioctl)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
+extern int DRM(agp_alloc_ioctl)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
+extern int DRM(agp_free_ioctl)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
+extern int DRM(agp_bind_ioctl)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
+extern int DRM(agp_unbind_ioctl)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
+
+extern void DRM(agp_init)(void);
+extern void DRM(agp_cleanup)(void);
+extern void DRM(agp_init_dev)(drm_device_t *dev);
+extern void DRM(agp_cleanup_dev)(drm_device_t *dev);
+
+/*@}*/
+
+#endif