patch-2.4.0-test5 linux/drivers/char/drm/drmP.h

• Lines: 259
• Date: Thu Jul 27 17:02:07 2000
• Orig file: v2.4.0-test4/linux/drivers/char/drm/drmP.h
• Orig date: Fri Jun 23 21:55:08 2000

diff -u --recursive --new-file v2.4.0-test4/linux/drivers/char/drm/drmP.h linux/drivers/char/drm/drmP.h
@@ -2,6 +2,7 @@
  * Created: Mon Jan  4 10:05:05 1999 by faith@precisioninsight.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
@@ -24,7 +25,7 @@
  * DEALINGS IN THE SOFTWARE.
  * 
  * Authors:
- *    Rickard E. (Rik) Faith <faith@precisioninsight.com>
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
  * 
  */
 
@@ -49,7 +50,12 @@
 #ifdef CONFIG_MTRR
 #include <asm/mtrr.h>
 #endif
+#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
+#include <linux/types.h>
+#include <linux/agp_backend.h>
+#endif
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0)
+#include <linux/tqueue.h>
 #include <linux/poll.h>
 #endif
 #include "drm.h"
@@ -69,21 +75,27 @@
 #define DRM_FLAG_DEBUG	  0x01
 #define DRM_FLAG_NOCTX	  0x02
 
-#define DRM_MEM_DMA	  0
-#define DRM_MEM_SAREA	  1
-#define DRM_MEM_DRIVER	  2
-#define DRM_MEM_MAGIC	  3
-#define DRM_MEM_IOCTLS	  4
-#define DRM_MEM_MAPS	  5
-#define DRM_MEM_VMAS	  6
-#define DRM_MEM_BUFS	  7
-#define DRM_MEM_SEGS	  8
-#define DRM_MEM_PAGES	  9
-#define DRM_MEM_FILES	 10
-#define DRM_MEM_QUEUES	 11
-#define DRM_MEM_CMDS	 12
-#define DRM_MEM_MAPPINGS 13
-#define DRM_MEM_BUFLISTS 14
+#define DRM_MEM_DMA	   0
+#define DRM_MEM_SAREA	   1
+#define DRM_MEM_DRIVER	   2
+#define DRM_MEM_MAGIC	   3
+#define DRM_MEM_IOCTLS	   4
+#define DRM_MEM_MAPS	   5
+#define DRM_MEM_VMAS	   6
+#define DRM_MEM_BUFS	   7
+#define DRM_MEM_SEGS	   8
+#define DRM_MEM_PAGES	   9
+#define DRM_MEM_FILES	  10
+#define DRM_MEM_QUEUES	  11
+#define DRM_MEM_CMDS	  12
+#define DRM_MEM_MAPPINGS  13
+#define DRM_MEM_BUFLISTS  14
+#define DRM_MEM_AGPLISTS  15
+#define DRM_MEM_TOTALAGP  16
+#define DRM_MEM_BOUNDAGP  17
+#define DRM_MEM_CTXBITMAP 18
+
+#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
 
 				/* Backward compatibility section */
 				/* _PAGE_WT changed to _PAGE_PWT in 2.2.6 */
@@ -117,6 +129,14 @@
 #define NOPAGE_OOM 0
 #endif
 
+				/* module_init/module_exit added in 2.3.13 */
+#ifndef module_init
+#define module_init(x)  int init_module(void) { return x(); }
+#endif
+#ifndef module_exit
+#define module_exit(x)  void cleanup_module(void) { x(); }
+#endif
+
 				/* Generic cmpxchg added in 2.3.x */
 #ifndef __HAVE_ARCH_CMPXCHG
 				/* Include this here so that driver can be
@@ -213,8 +233,8 @@
 } drm_magic_entry_t;
 
 typedef struct drm_magic_head {
-       struct drm_magic_entry *head;
-       struct drm_magic_entry *tail;
+	struct drm_magic_entry *head;
+	struct drm_magic_entry *tail;
 } drm_magic_head_t;
 
 typedef struct drm_vma_entry {
@@ -230,6 +250,7 @@
 	int		  used;	       /* Amount of buffer in use (for DMA)  */
 	unsigned long	  offset;      /* Byte offset (used internally)	     */
 	void		  *address;    /* Address of buffer		     */
+	unsigned long	  bus_address; /* Bus address of buffer		     */
 	struct drm_buf	  *next;       /* Kernel-only: used for free list    */
 	__volatile__ int  waiting;     /* On kernel DMA queue		     */
 	__volatile__ int  pending;     /* On hardware DMA queue		     */
@@ -245,12 +266,16 @@
 		DRM_LIST_PRIO	 = 4,
 		DRM_LIST_RECLAIM = 5
 	}		  list;	       /* Which list we're on		     */
+
 #if DRM_DMA_HISTOGRAM
 	cycles_t	  time_queued;	   /* Queued to kernel DMA queue     */
 	cycles_t	  time_dispatched; /* Dispatched to hardware	     */
 	cycles_t	  time_completed;  /* Completed by hardware	     */
 	cycles_t	  time_freed;	   /* Back on freelist		     */
 #endif
+
+	int		  dev_priv_size; /* Size of buffer private stoarge   */
+	void		  *dev_private;  /* Per-buffer private storage       */
 } drm_buf_t;
 
 #if DRM_DMA_HISTOGRAM
@@ -371,6 +396,9 @@
 	int		  page_count;
 	unsigned long	  *pagelist;
 	unsigned long	  byte_count;
+	enum {
+	   _DRM_DMA_USE_AGP = 0x01
+	} flags;
 
 				/* DMA support */
 	drm_buf_t	  *this_buffer;	/* Buffer being sent		   */
@@ -379,6 +407,41 @@
 	wait_queue_head_t waiting;	/* Processes waiting on free bufs  */
 } drm_device_dma_t;
 
+#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
+typedef struct drm_agp_mem {
+	unsigned long      handle;
+	agp_memory         *memory;
+	unsigned long      bound; /* address */
+	int                pages;
+	struct drm_agp_mem *prev;
+	struct drm_agp_mem *next;
+} drm_agp_mem_t;
+
+typedef struct drm_agp_head {
+	agp_kern_info      agp_info;
+	const char         *chipset;
+	drm_agp_mem_t      *memory;
+	unsigned long      mode;
+	int                enabled;
+	int                acquired;
+	unsigned long      base;
+   	int 		   agp_mtrr;
+} drm_agp_head_t;
+
+typedef struct {
+	void       (*free_memory)(agp_memory *);
+	agp_memory *(*allocate_memory)(size_t, u32);
+	int        (*bind_memory)(agp_memory *, off_t);
+	int        (*unbind_memory)(agp_memory *);
+	void       (*enable)(u32);
+	int        (*acquire)(void);
+	void       (*release)(void);
+	void       (*copy_info)(agp_kern_info *);
+} drm_agp_func_t;
+
+extern drm_agp_func_t drm_agp;
+#endif
+
 typedef struct drm_device {
 	const char	  *name;	/* Simple driver name		   */
 	char		  *unique;	/* Unique identifier: e.g., busid  */
@@ -433,9 +496,9 @@
 
 				/* Context support */
 	int		  irq;		/* Interrupt used by board	   */
-	__volatile__ long context_flag;	 /* Context swapping flag	   */
-	__volatile__ long interrupt_flag;/* Interruption handler flag	   */
-	__volatile__ long dma_flag;	 /* DMA dispatch flag		   */
+	__volatile__ long context_flag;	/* Context swapping flag	   */
+	__volatile__ long  interrupt_flag; /* Interruption handler flag	   */
+	__volatile__ long  dma_flag;	/* DMA dispatch flag		   */
 	struct timer_list timer;	/* Timer for delaying ctx switch   */
 	wait_queue_head_t context_wait; /* Processes waiting on ctx switch */
 	int		  last_checked;	/* Last context checked for DMA	   */
@@ -457,6 +520,12 @@
 	struct fasync_struct *buf_async;/* Processes waiting for SIGIO	   */
 	wait_queue_head_t buf_readers;	/* Processes waiting to read	   */
 	wait_queue_head_t buf_writers;	/* Processes waiting to ctx switch */
+	
+#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
+	drm_agp_head_t    *agp;
+#endif
+	unsigned long     *ctx_bitmap;
+	void		  *dev_private;
 } drm_device_t;
 
 
@@ -529,6 +598,14 @@
 extern void	     *drm_ioremap(unsigned long offset, unsigned long size);
 extern void	     drm_ioremapfree(void *pt, unsigned long size);
 
+#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
+extern agp_memory    *drm_alloc_agp(int pages, u32 type);
+extern int           drm_free_agp(agp_memory *handle, int pages);
+extern int           drm_bind_agp(agp_memory *handle, unsigned int start);
+extern int           drm_unbind_agp(agp_memory *handle);
+#endif
+
+
 				/* Buffer management support (bufs.c) */
 extern int	     drm_order(unsigned long size);
 extern int	     drm_addmap(struct inode *inode, struct file *filp,
@@ -564,7 +641,6 @@
 extern void	     drm_reclaim_buffers(drm_device_t *dev, pid_t pid);
 extern int	     drm_context_switch(drm_device_t *dev, int old, int new);
 extern int	     drm_context_switch_complete(drm_device_t *dev, int new);
-extern void	     drm_wakeup(drm_device_t *dev, drm_buf_t *buf);
 extern void	     drm_clear_next_buffer(drm_device_t *dev);
 extern int	     drm_select_queue(drm_device_t *dev,
 				      void (*wrapper)(unsigned long));
@@ -638,5 +714,33 @@
 				       drm_lock_flags_t flags);
 extern int	     drm_flush_block_and_flush(drm_device_t *dev, int context,
 					       drm_lock_flags_t flags);
+
+				/* Context Bitmap support (ctxbitmap.c) */
+extern int	     drm_ctxbitmap_init(drm_device_t *dev);
+extern void	     drm_ctxbitmap_cleanup(drm_device_t *dev);
+extern int	     drm_ctxbitmap_next(drm_device_t *dev);
+extern void	     drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle);
+
+#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
+				/* AGP/GART support (agpsupport.c) */
+extern drm_agp_head_t *drm_agp_init(void);
+extern void           drm_agp_uninit(void);
+extern int            drm_agp_acquire(struct inode *inode, struct file *filp,
+				      unsigned int cmd, unsigned long arg);
+extern int            drm_agp_release(struct inode *inode, struct file *filp,
+				      unsigned int cmd, unsigned long arg);
+extern int            drm_agp_enable(struct inode *inode, struct file *filp,
+				     unsigned int cmd, unsigned long arg);
+extern int            drm_agp_info(struct inode *inode, struct file *filp,
+				   unsigned int cmd, unsigned long arg);
+extern int            drm_agp_alloc(struct inode *inode, struct file *filp,
+				    unsigned int cmd, unsigned long arg);
+extern int            drm_agp_free(struct inode *inode, struct file *filp,
+				   unsigned int cmd, unsigned long arg);
+extern int            drm_agp_unbind(struct inode *inode, struct file *filp,
+				     unsigned int cmd, unsigned long arg);
+extern int            drm_agp_bind(struct inode *inode, struct file *filp,
+				   unsigned int cmd, unsigned long arg);
+#endif
 #endif
 #endif