ignore

1 files changed, 0 insertions, 969 deletions

diff --git a/libdrm/xf86drm.h b/libdrm/xf86drm.h
deleted file mode 100644
index 4badaae..0000000
--- a/libdrm/xf86drm.h
+++ /dev/null
@@ -1,969 +0,0 @@
-/**
- * \file xf86drm.h 
- * OS-independent header for DRM user-level library interface.
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- */
- 
-/*
- * Copyright 1999, 2000 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
- * PRECISION INSIGHT 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 _XF86DRM_H_
-#define _XF86DRM_H_
-
-#include <stdarg.h>
-#include <sys/types.h>
-#include <stdint.h>
-#include <drm.h>
-
-#if defined(__cplusplus)
-extern "C" {
-#endif
-
-#ifndef DRM_MAX_MINOR
-#define DRM_MAX_MINOR   16
-#endif
-
-#if defined(__linux__)
-
-#define DRM_IOCTL_NR(n)		_IOC_NR(n)
-#define DRM_IOC_VOID		_IOC_NONE
-#define DRM_IOC_READ		_IOC_READ
-#define DRM_IOC_WRITE		_IOC_WRITE
-#define DRM_IOC_READWRITE	_IOC_READ|_IOC_WRITE
-#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
-
-#else /* One of the *BSDs */
-
-#include <sys/ioccom.h>
-#define DRM_IOCTL_NR(n)         ((n) & 0xff)
-#define DRM_IOC_VOID            IOC_VOID
-#define DRM_IOC_READ            IOC_OUT
-#define DRM_IOC_WRITE           IOC_IN
-#define DRM_IOC_READWRITE       IOC_INOUT
-#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
-
-#endif
-
-				/* Defaults, if nothing set in xf86config */
-#define DRM_DEV_UID	 0
-#define DRM_DEV_GID	 0
-/* Default /dev/dri directory permissions 0755 */
-#define DRM_DEV_DIRMODE	 	\
-	(S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH)
-#define DRM_DEV_MODE	 (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
-
-#ifdef __OpenBSD__
-#define DRM_DIR_NAME  "/dev"
-#define DRM_PRIMARY_MINOR_NAME  "drm"
-#define DRM_CONTROL_MINOR_NAME  "drmC"
-#define DRM_RENDER_MINOR_NAME   "drmR"
-#else
-#define DRM_DIR_NAME  "/dev/dri"
-#define DRM_PRIMARY_MINOR_NAME  "card"
-#define DRM_CONTROL_MINOR_NAME  "controlD"
-#define DRM_RENDER_MINOR_NAME   "renderD"
-#define DRM_PROC_NAME "/proc/dri/" /* For backward Linux compatibility */
-#endif
-
-#define DRM_DEV_NAME          "%s/" DRM_PRIMARY_MINOR_NAME "%d"
-#define DRM_CONTROL_DEV_NAME  "%s/" DRM_CONTROL_MINOR_NAME "%d"
-#define DRM_RENDER_DEV_NAME   "%s/" DRM_RENDER_MINOR_NAME  "%d"
-
-#define DRM_NODE_NAME_MAX \
-    (sizeof(DRM_DIR_NAME) + 1 /* slash */ \
-     + MAX3(sizeof(DRM_PRIMARY_MINOR_NAME), \
-            sizeof(DRM_CONTROL_MINOR_NAME), \
-            sizeof(DRM_RENDER_MINOR_NAME)) \
-     + sizeof("144") /* highest possible node number */ \
-     + 1) /* NULL-terminator */
-
-#define DRM_ERR_NO_DEVICE  (-1001)
-#define DRM_ERR_NO_ACCESS  (-1002)
-#define DRM_ERR_NOT_ROOT   (-1003)
-#define DRM_ERR_INVALID    (-1004)
-#define DRM_ERR_NO_FD      (-1005)
-
-#define DRM_AGP_NO_HANDLE 0
-
-typedef unsigned int  drmSize,     *drmSizePtr;	    /**< For mapped regions */
-typedef void          *drmAddress, **drmAddressPtr; /**< For mapped regions */
-
-#if (__GNUC__ >= 3)
-#define DRM_PRINTFLIKE(f, a) __attribute__ ((format(__printf__, f, a)))
-#else
-#define DRM_PRINTFLIKE(f, a)
-#endif
-
-typedef struct _drmServerInfo {
-  int (*debug_print)(const char *format, va_list ap) DRM_PRINTFLIKE(1,0);
-  int (*load_module)(const char *name);
-  void (*get_perms)(gid_t *, mode_t *);
-} drmServerInfo, *drmServerInfoPtr;
-
-typedef struct drmHashEntry {
-    int      fd;
-    void     (*f)(int, void *, void *);
-    void     *tagTable;
-} drmHashEntry;
-
-extern int drmIoctl(int fd, unsigned long request, void *arg);
-extern void *drmGetHashTable(void);
-extern drmHashEntry *drmGetEntry(int fd);
-
-/**
- * Driver version information.
- *
- * \sa drmGetVersion() and drmSetVersion().
- */
-typedef struct _drmVersion {
-    int     version_major;        /**< Major version */
-    int     version_minor;        /**< Minor version */
-    int     version_patchlevel;   /**< Patch level */
-    int     name_len; 	          /**< Length of name buffer */
-    char    *name;	          /**< Name of driver */
-    int     date_len;             /**< Length of date buffer */
-    char    *date;                /**< User-space buffer to hold date */
-    int     desc_len;	          /**< Length of desc buffer */
-    char    *desc;                /**< User-space buffer to hold desc */
-} drmVersion, *drmVersionPtr;
-
-typedef struct _drmStats {
-    unsigned long count;	     /**< Number of data */
-    struct {
-	unsigned long value;	     /**< Value from kernel */
-	const char    *long_format;  /**< Suggested format for long_name */
-	const char    *long_name;    /**< Long name for value */
-	const char    *rate_format;  /**< Suggested format for rate_name */
-	const char    *rate_name;    /**< Short name for value per second */
-	int           isvalue;       /**< True if value (vs. counter) */
-	const char    *mult_names;   /**< Multiplier names (e.g., "KGM") */
-	int           mult;          /**< Multiplier value (e.g., 1024) */
-	int           verbose;       /**< Suggest only in verbose output */
-    } data[15];
-} drmStatsT;
-
-
-				/* All of these enums *MUST* match with the
-                                   kernel implementation -- so do *NOT*
-                                   change them!  (The drmlib implementation
-                                   will just copy the flags instead of
-                                   translating them.) */
-typedef enum {
-    DRM_FRAME_BUFFER    = 0,      /**< WC, no caching, no core dump */
-    DRM_REGISTERS       = 1,      /**< no caching, no core dump */
-    DRM_SHM             = 2,      /**< shared, cached */
-    DRM_AGP             = 3,	  /**< AGP/GART */
-    DRM_SCATTER_GATHER  = 4,	  /**< PCI scatter/gather */
-    DRM_CONSISTENT      = 5	  /**< PCI consistent */
-} drmMapType;
-
-typedef enum {
-    DRM_RESTRICTED      = 0x0001, /**< Cannot be mapped to client-virtual */
-    DRM_READ_ONLY       = 0x0002, /**< Read-only in client-virtual */
-    DRM_LOCKED          = 0x0004, /**< Physical pages locked */
-    DRM_KERNEL          = 0x0008, /**< Kernel requires access */
-    DRM_WRITE_COMBINING = 0x0010, /**< Use write-combining, if available */
-    DRM_CONTAINS_LOCK   = 0x0020, /**< SHM page that contains lock */
-    DRM_REMOVABLE	= 0x0040  /**< Removable mapping */
-} drmMapFlags;
-
-/**
- * \warning These values *MUST* match drm.h
- */
-typedef enum {
-    /** \name Flags for DMA buffer dispatch */
-    /*@{*/
-    DRM_DMA_BLOCK        = 0x01, /**< 
-				  * Block until buffer dispatched.
-				  * 
-				  * \note the buffer may not yet have been
-				  * processed by the hardware -- getting a
-				  * hardware lock with the hardware quiescent
-				  * will ensure that the buffer has been
-				  * processed.
-				  */
-    DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
-    DRM_DMA_PRIORITY     = 0x04, /**< High priority dispatch */
-    /*@}*/
-
-    /** \name Flags for DMA buffer request */
-    /*@{*/
-    DRM_DMA_WAIT         = 0x10, /**< Wait for free buffers */
-    DRM_DMA_SMALLER_OK   = 0x20, /**< Smaller-than-requested buffers OK */
-    DRM_DMA_LARGER_OK    = 0x40  /**< Larger-than-requested buffers OK */
-    /*@}*/
-} drmDMAFlags;
-
-typedef enum {
-    DRM_PAGE_ALIGN       = 0x01,
-    DRM_AGP_BUFFER       = 0x02,
-    DRM_SG_BUFFER        = 0x04,
-    DRM_FB_BUFFER        = 0x08,
-    DRM_PCI_BUFFER_RO    = 0x10
-} drmBufDescFlags;
-
-typedef enum {
-    DRM_LOCK_READY      = 0x01, /**< Wait until hardware is ready for DMA */
-    DRM_LOCK_QUIESCENT  = 0x02, /**< Wait until hardware quiescent */
-    DRM_LOCK_FLUSH      = 0x04, /**< Flush this context's DMA queue first */
-    DRM_LOCK_FLUSH_ALL  = 0x08, /**< Flush all DMA queues first */
-				/* These *HALT* flags aren't supported yet
-                                   -- they will be used to support the
-                                   full-screen DGA-like mode. */
-    DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
-    DRM_HALT_CUR_QUEUES = 0x20  /**< Halt all current queues */
-} drmLockFlags;
-
-typedef enum {
-    DRM_CONTEXT_PRESERVED = 0x01, /**< This context is preserved and
-				     never swapped. */
-    DRM_CONTEXT_2DONLY    = 0x02  /**< This context is for 2D rendering only. */
-} drm_context_tFlags, *drm_context_tFlagsPtr;
-
-typedef struct _drmBufDesc {
-    int              count;	  /**< Number of buffers of this size */
-    int              size;	  /**< Size in bytes */
-    int              low_mark;	  /**< Low water mark */
-    int              high_mark;	  /**< High water mark */
-} drmBufDesc, *drmBufDescPtr;
-
-typedef struct _drmBufInfo {
-    int              count;	  /**< Number of buffers described in list */
-    drmBufDescPtr    list;	  /**< List of buffer descriptions */
-} drmBufInfo, *drmBufInfoPtr;
-
-typedef struct _drmBuf {
-    int              idx;	  /**< Index into the master buffer list */
-    int              total;	  /**< Buffer size */
-    int              used;	  /**< Amount of buffer in use (for DMA) */
-    drmAddress       address;	  /**< Address */
-} drmBuf, *drmBufPtr;
-
-/**
- * Buffer mapping information.
- *
- * Used by drmMapBufs() and drmUnmapBufs() to store information about the
- * mapped buffers.
- */
-typedef struct _drmBufMap {
-    int              count;	  /**< Number of buffers mapped */
-    drmBufPtr        list;	  /**< Buffers */
-} drmBufMap, *drmBufMapPtr;
-
-typedef struct _drmLock {
-    volatile unsigned int lock;
-    char                      padding[60];
-    /* This is big enough for most current (and future?) architectures:
-       DEC Alpha:              32 bytes
-       Intel Merced:           ?
-       Intel P5/PPro/PII/PIII: 32 bytes
-       Intel StrongARM:        32 bytes
-       Intel i386/i486:        16 bytes
-       MIPS:                   32 bytes (?)
-       Motorola 68k:           16 bytes
-       Motorola PowerPC:       32 bytes
-       Sun SPARC:              32 bytes
-    */
-} drmLock, *drmLockPtr;
-
-/**
- * Indices here refer to the offset into
- * list in drmBufInfo
- */
-typedef struct _drmDMAReq {
-    drm_context_t    context;  	  /**< Context handle */
-    int           send_count;     /**< Number of buffers to send */
-    int           *send_list;     /**< List of handles to buffers */
-    int           *send_sizes;    /**< Lengths of data to send, in bytes */
-    drmDMAFlags   flags;          /**< Flags */
-    int           request_count;  /**< Number of buffers requested */
-    int           request_size;	  /**< Desired size of buffers requested */
-    int           *request_list;  /**< Buffer information */
-    int           *request_sizes; /**< Minimum acceptable sizes */
-    int           granted_count;  /**< Number of buffers granted at this size */
-} drmDMAReq, *drmDMAReqPtr;
-
-typedef struct _drmRegion {
-    drm_handle_t     handle;
-    unsigned int  offset;
-    drmSize       size;
-    drmAddress    map;
-} drmRegion, *drmRegionPtr;
-
-typedef struct _drmTextureRegion {
-    unsigned char next;
-    unsigned char prev;
-    unsigned char in_use;
-    unsigned char padding;	/**< Explicitly pad this out */
-    unsigned int  age;
-} drmTextureRegion, *drmTextureRegionPtr;
-
-
-typedef enum {
-    DRM_VBLANK_ABSOLUTE = 0x0,	/**< Wait for specific vblank sequence number */
-    DRM_VBLANK_RELATIVE = 0x1,	/**< Wait for given number of vblanks */
-    /* bits 1-6 are reserved for high crtcs */
-    DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e,
-    DRM_VBLANK_EVENT = 0x4000000,	/**< Send event instead of blocking */
-    DRM_VBLANK_FLIP = 0x8000000,	/**< Scheduled buffer swap should flip */
-    DRM_VBLANK_NEXTONMISS = 0x10000000,	/**< If missed, wait for next vblank */
-    DRM_VBLANK_SECONDARY = 0x20000000,	/**< Secondary display controller */
-    DRM_VBLANK_SIGNAL   = 0x40000000	/* Send signal instead of blocking */
-} drmVBlankSeqType;
-#define DRM_VBLANK_HIGH_CRTC_SHIFT 1
-
-typedef struct _drmVBlankReq {
-	drmVBlankSeqType type;
-	unsigned int sequence;
-	unsigned long signal;
-} drmVBlankReq, *drmVBlankReqPtr;
-
-typedef struct _drmVBlankReply {
-	drmVBlankSeqType type;
-	unsigned int sequence;
-	long tval_sec;
-	long tval_usec;
-} drmVBlankReply, *drmVBlankReplyPtr;
-
-typedef union _drmVBlank {
-	drmVBlankReq request;
-	drmVBlankReply reply;
-} drmVBlank, *drmVBlankPtr;
-
-typedef struct _drmSetVersion {
-	int drm_di_major;
-	int drm_di_minor;
-	int drm_dd_major;
-	int drm_dd_minor;
-} drmSetVersion, *drmSetVersionPtr;
-
-#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock)
-
-#define DRM_LOCK_HELD  0x80000000U /**< Hardware lock is held */
-#define DRM_LOCK_CONT  0x40000000U /**< Hardware lock is contended */
-
-#if defined(__GNUC__) && (__GNUC__ >= 2)
-# if defined(__i386) || defined(__AMD64__) || defined(__x86_64__) || defined(__amd64__)
-				/* Reflect changes here to drmP.h */
-#define DRM_CAS(lock,old,new,__ret)                                    \
-	do {                                                           \
-                int __dummy;	/* Can't mark eax as clobbered */      \
-		__asm__ __volatile__(                                  \
-			"lock ; cmpxchg %4,%1\n\t"                     \
-                        "setnz %0"                                     \
-			: "=d" (__ret),                                \
-   			  "=m" (__drm_dummy_lock(lock)),               \
-                          "=a" (__dummy)                               \
-			: "2" (old),                                   \
-			  "r" (new));                                  \
-	} while (0)
-
-#elif defined(__alpha__)
-
-#define	DRM_CAS(lock, old, new, ret)		\
-	do {					\
-		int tmp, old32;			\
-		__asm__ __volatile__(		\
-		"	addl	$31, %5, %3\n"	\
-		"1:	ldl_l	%0, %2\n"	\
-		"	cmpeq	%0, %3, %1\n"	\
-		"	beq	%1, 2f\n"	\
-		"	mov	%4, %0\n"	\
-		"	stl_c	%0, %2\n"	\
-		"	beq	%0, 3f\n"	\
-		"	mb\n"			\
-		"2:	cmpeq	%1, 0, %1\n"	\
-		".subsection 2\n"		\
-		"3:	br	1b\n"		\
-		".previous"			\
-		: "=&r"(tmp), "=&r"(ret),	\
-		  "=m"(__drm_dummy_lock(lock)),	\
-		  "=&r"(old32)			\
-		: "r"(new), "r"(old)		\
-		: "memory");			\
-	} while (0)
-
-#elif defined(__sparc__)
-
-#define DRM_CAS(lock,old,new,__ret)				\
-do {	register unsigned int __old __asm("o0");		\
-	register unsigned int __new __asm("o1");		\
-	register volatile unsigned int *__lock __asm("o2");	\
-	__old = old;						\
-	__new = new;						\
-	__lock = (volatile unsigned int *)lock;			\
-	__asm__ __volatile__(					\
-		/*"cas [%2], %3, %0"*/				\
-		".word 0xd3e29008\n\t"				\
-		/*"membar #StoreStore | #StoreLoad"*/		\
-		".word 0x8143e00a"				\
-		: "=&r" (__new)					\
-		: "0" (__new),					\
-		  "r" (__lock),					\
-		  "r" (__old)					\
-		: "memory");					\
-	__ret = (__new != __old);				\
-} while(0)
-
-#elif defined(__ia64__)
-
-#ifdef __INTEL_COMPILER
-/* this currently generates bad code (missing stop bits)... */
-#include <ia64intrin.h>
-
-#define DRM_CAS(lock,old,new,__ret)					      \
-	do {								      \
-		unsigned long __result, __old = (old) & 0xffffffff;		\
-		__mf();							      	\
-		__result = _InterlockedCompareExchange_acq(&__drm_dummy_lock(lock), (new), __old);\
-		__ret = (__result) != (__old);					\
-/*		__ret = (__sync_val_compare_and_swap(&__drm_dummy_lock(lock), \
-						     (old), (new))	      \
-			 != (old));					      */\
-	} while (0)
-
-#else
-#define DRM_CAS(lock,old,new,__ret)					  \
-	do {								  \
-		unsigned int __result, __old = (old);			  \
-		__asm__ __volatile__(					  \
-			"mf\n"						  \
-			"mov ar.ccv=%2\n"				  \
-			";;\n"						  \
-			"cmpxchg4.acq %0=%1,%3,ar.ccv"			  \
-			: "=r" (__result), "=m" (__drm_dummy_lock(lock))  \
-			: "r" ((unsigned long)__old), "r" (new)			  \
-			: "memory");					  \
-		__ret = (__result) != (__old);				  \
-	} while (0)
-
-#endif
-
-#elif defined(__powerpc__)
-
-#define DRM_CAS(lock,old,new,__ret)			\
-	do {						\
-		__asm__ __volatile__(			\
-			"sync;"				\
-			"0:    lwarx %0,0,%1;"		\
-			"      xor. %0,%3,%0;"		\
-			"      bne 1f;"			\
-			"      stwcx. %2,0,%1;"		\
-			"      bne- 0b;"		\
-			"1:    "			\
-			"sync;"				\
-		: "=&r"(__ret)				\
-		: "r"(lock), "r"(new), "r"(old)		\
-		: "cr0", "memory");			\
-	} while (0)
-
-# elif defined (__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \
-	|| defined (__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) \
-	|| defined (__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) \
-	|| defined (__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \
-	|| defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \
-	|| defined(__ARM_ARCH_7EM__)
-       /* excluding ARMv4/ARMv5 and lower (lacking ldrex/strex support) */
-       #undef DRM_DEV_MODE
-       #define DRM_DEV_MODE     (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
-
-       #define DRM_CAS(lock,old,new,__ret)             \
-       do {                                            \
-               __asm__ __volatile__ (                  \
-                       "1: ldrex %0, [%1]\n"           \
-                       "   teq %0, %2\n"               \
-                       "   ite eq\n"                   \
-                       "   strexeq %0, %3, [%1]\n"     \
-                       "   movne   %0, #1\n"           \
-               : "=&r" (__ret)                         \
-               : "r" (lock), "r" (old), "r" (new)      \
-               : "cc","memory");                       \
-       } while (0)
-
-#endif /* architecture */
-#endif /* __GNUC__ >= 2 */
-
-#ifndef DRM_CAS
-#define DRM_CAS(lock,old,new,ret) do { ret=1; } while (0) /* FAST LOCK FAILS */
-#endif
-
-#if defined(__alpha__)
-#define DRM_CAS_RESULT(_result)		long _result
-#elif defined(__powerpc__)
-#define DRM_CAS_RESULT(_result)		int _result
-#else
-#define DRM_CAS_RESULT(_result)		char _result
-#endif
-
-#define DRM_LIGHT_LOCK(fd,lock,context)                                \
-	do {                                                           \
-                DRM_CAS_RESULT(__ret);                                 \
-		DRM_CAS(lock,context,DRM_LOCK_HELD|context,__ret);     \
-                if (__ret) drmGetLock(fd,context,0);                   \
-        } while(0)
-
-				/* This one counts fast locks -- for
-                                   benchmarking only. */
-#define DRM_LIGHT_LOCK_COUNT(fd,lock,context,count)                    \
-	do {                                                           \
-                DRM_CAS_RESULT(__ret);                                 \
-		DRM_CAS(lock,context,DRM_LOCK_HELD|context,__ret);     \
-                if (__ret) drmGetLock(fd,context,0);                   \
-                else       ++count;                                    \
-        } while(0)
-
-#define DRM_LOCK(fd,lock,context,flags)                                \
-	do {                                                           \
-		if (flags) drmGetLock(fd,context,flags);               \
-		else       DRM_LIGHT_LOCK(fd,lock,context);            \
-	} while(0)
-
-#define DRM_UNLOCK(fd,lock,context)                                    \
-	do {                                                           \
-                DRM_CAS_RESULT(__ret);                                 \
-		DRM_CAS(lock,DRM_LOCK_HELD|context,context,__ret);     \
-                if (__ret) drmUnlock(fd,context);                      \
-        } while(0)
-
-				/* Simple spin locks */
-#define DRM_SPINLOCK(spin,val)                                         \
-	do {                                                           \
-            DRM_CAS_RESULT(__ret);                                     \
-	    do {                                                       \
-		DRM_CAS(spin,0,val,__ret);                             \
-		if (__ret) while ((spin)->lock);                       \
-	    } while (__ret);                                           \
-	} while(0)
-
-#define DRM_SPINLOCK_TAKE(spin,val)                                    \
-	do {                                                           \
-            DRM_CAS_RESULT(__ret);                                     \
-            int  cur;                                                  \
-	    do {                                                       \
-                cur = (*spin).lock;                                    \
-		DRM_CAS(spin,cur,val,__ret);                           \
-	    } while (__ret);                                           \
-	} while(0)
-
-#define DRM_SPINLOCK_COUNT(spin,val,count,__ret)                       \
-	do {                                                           \
-            int  __i;                                                  \
-            __ret = 1;                                                 \
-            for (__i = 0; __ret && __i < count; __i++) {               \
-		DRM_CAS(spin,0,val,__ret);                             \
-		if (__ret) for (;__i < count && (spin)->lock; __i++);  \
-	    }                                                          \
-	} while(0)
-
-#define DRM_SPINUNLOCK(spin,val)                                       \
-	do {                                                           \
-            DRM_CAS_RESULT(__ret);                                     \
-            if ((*spin).lock == val) { /* else server stole lock */    \
-	        do {                                                   \
-		    DRM_CAS(spin,val,0,__ret);                         \
-	        } while (__ret);                                       \
-            }                                                          \
-	} while(0)
-
-
-
-/* General user-level programmer's API: unprivileged */
-extern int           drmAvailable(void);
-extern int           drmOpen(const char *name, const char *busid);
-
-#define DRM_NODE_PRIMARY 0
-#define DRM_NODE_CONTROL 1
-#define DRM_NODE_RENDER  2
-#define DRM_NODE_MAX     3
-
-extern int           drmOpenWithType(const char *name, const char *busid,
-                                     int type);
-
-extern int           drmOpenControl(int minor);
-extern int           drmOpenRender(int minor);
-extern int           drmClose(int fd);
-extern drmVersionPtr drmGetVersion(int fd);
-extern drmVersionPtr drmGetLibVersion(int fd);
-extern int           drmGetCap(int fd, uint64_t capability, uint64_t *value);
-extern void          drmFreeVersion(drmVersionPtr);
-extern int           drmGetMagic(int fd, drm_magic_t * magic);
-extern char          *drmGetBusid(int fd);
-extern int           drmGetInterruptFromBusID(int fd, int busnum, int devnum,
-					      int funcnum);
-extern int           drmGetMap(int fd, int idx, drm_handle_t *offset,
-			       drmSize *size, drmMapType *type,
-			       drmMapFlags *flags, drm_handle_t *handle,
-			       int *mtrr);
-extern int           drmGetClient(int fd, int idx, int *auth, int *pid,
-				  int *uid, unsigned long *magic,
-				  unsigned long *iocs);
-extern int           drmGetStats(int fd, drmStatsT *stats);
-extern int           drmSetInterfaceVersion(int fd, drmSetVersion *version);
-extern int           drmCommandNone(int fd, unsigned long drmCommandIndex);
-extern int           drmCommandRead(int fd, unsigned long drmCommandIndex,
-                                    void *data, unsigned long size);
-extern int           drmCommandWrite(int fd, unsigned long drmCommandIndex,
-                                     void *data, unsigned long size);
-extern int           drmCommandWriteRead(int fd, unsigned long drmCommandIndex,
-                                         void *data, unsigned long size);
-
-/* General user-level programmer's API: X server (root) only  */
-extern void          drmFreeBusid(const char *busid);
-extern int           drmSetBusid(int fd, const char *busid);
-extern int           drmAuthMagic(int fd, drm_magic_t magic);
-extern int           drmAddMap(int fd,
-			       drm_handle_t offset,
-			       drmSize size,
-			       drmMapType type,
-			       drmMapFlags flags,
-			       drm_handle_t * handle);
-extern int	     drmRmMap(int fd, drm_handle_t handle);
-extern int	     drmAddContextPrivateMapping(int fd, drm_context_t ctx_id,
-						 drm_handle_t handle);
-
-extern int           drmAddBufs(int fd, int count, int size,
-				drmBufDescFlags flags,
-				int agp_offset);
-extern int           drmMarkBufs(int fd, double low, double high);
-extern int           drmCreateContext(int fd, drm_context_t * handle);
-extern int           drmSetContextFlags(int fd, drm_context_t context,
-					drm_context_tFlags flags);
-extern int           drmGetContextFlags(int fd, drm_context_t context,
-					drm_context_tFlagsPtr flags);
-extern int           drmAddContextTag(int fd, drm_context_t context, void *tag);
-extern int           drmDelContextTag(int fd, drm_context_t context);
-extern void          *drmGetContextTag(int fd, drm_context_t context);
-extern drm_context_t * drmGetReservedContextList(int fd, int *count);
-extern void          drmFreeReservedContextList(drm_context_t *);
-extern int           drmSwitchToContext(int fd, drm_context_t context);
-extern int           drmDestroyContext(int fd, drm_context_t handle);
-extern int           drmCreateDrawable(int fd, drm_drawable_t * handle);
-extern int           drmDestroyDrawable(int fd, drm_drawable_t handle);
-extern int           drmUpdateDrawableInfo(int fd, drm_drawable_t handle,
-					   drm_drawable_info_type_t type,
-					   unsigned int num, void *data);
-extern int           drmCtlInstHandler(int fd, int irq);
-extern int           drmCtlUninstHandler(int fd);
-extern int           drmSetClientCap(int fd, uint64_t capability,
-				     uint64_t value);
-
-extern int           drmCrtcGetSequence(int fd, uint32_t crtcId,
-					uint64_t *sequence, uint64_t *ns);
-extern int           drmCrtcQueueSequence(int fd, uint32_t crtcId,
-					  uint32_t flags, uint64_t sequence,
-					  uint64_t *sequence_queued,
-					  uint64_t user_data);
-/* General user-level programmer's API: authenticated client and/or X */
-extern int           drmMap(int fd,
-			    drm_handle_t handle,
-			    drmSize size,
-			    drmAddressPtr address);
-extern int           drmUnmap(drmAddress address, drmSize size);
-extern drmBufInfoPtr drmGetBufInfo(int fd);
-extern drmBufMapPtr  drmMapBufs(int fd);
-extern int           drmUnmapBufs(drmBufMapPtr bufs);
-extern int           drmDMA(int fd, drmDMAReqPtr request);
-extern int           drmFreeBufs(int fd, int count, int *list);
-extern int           drmGetLock(int fd,
-			        drm_context_t context,
-			        drmLockFlags flags);
-extern int           drmUnlock(int fd, drm_context_t context);
-extern int           drmFinish(int fd, int context, drmLockFlags flags);
-extern int	     drmGetContextPrivateMapping(int fd, drm_context_t ctx_id, 
-						 drm_handle_t * handle);
-
-/* AGP/GART support: X server (root) only */
-extern int           drmAgpAcquire(int fd);
-extern int           drmAgpRelease(int fd);
-extern int           drmAgpEnable(int fd, unsigned long mode);
-extern int           drmAgpAlloc(int fd, unsigned long size,
-				 unsigned long type, unsigned long *address,
-				 drm_handle_t *handle);
-extern int           drmAgpFree(int fd, drm_handle_t handle);
-extern int 	     drmAgpBind(int fd, drm_handle_t handle,
-				unsigned long offset);
-extern int           drmAgpUnbind(int fd, drm_handle_t handle);
-
-/* AGP/GART info: authenticated client and/or X */
-extern int           drmAgpVersionMajor(int fd);
-extern int           drmAgpVersionMinor(int fd);
-extern unsigned long drmAgpGetMode(int fd);
-extern unsigned long drmAgpBase(int fd); /* Physical location */
-extern unsigned long drmAgpSize(int fd); /* Bytes */
-extern unsigned long drmAgpMemoryUsed(int fd);
-extern unsigned long drmAgpMemoryAvail(int fd);
-extern unsigned int  drmAgpVendorId(int fd);
-extern unsigned int  drmAgpDeviceId(int fd);
-
-/* PCI scatter/gather support: X server (root) only */
-extern int           drmScatterGatherAlloc(int fd, unsigned long size,
-					   drm_handle_t *handle);
-extern int           drmScatterGatherFree(int fd, drm_handle_t handle);
-
-extern int           drmWaitVBlank(int fd, drmVBlankPtr vbl);
-
-/* Support routines */
-extern void          drmSetServerInfo(drmServerInfoPtr info);
-extern int           drmError(int err, const char *label);
-extern void          *drmMalloc(int size);
-extern void          drmFree(void *pt);
-
-/* Hash table routines */
-extern void *drmHashCreate(void);
-extern int  drmHashDestroy(void *t);
-extern int  drmHashLookup(void *t, unsigned long key, void **value);
-extern int  drmHashInsert(void *t, unsigned long key, void *value);
-extern int  drmHashDelete(void *t, unsigned long key);
-extern int  drmHashFirst(void *t, unsigned long *key, void **value);
-extern int  drmHashNext(void *t, unsigned long *key, void **value);
-
-/* PRNG routines */
-extern void          *drmRandomCreate(unsigned long seed);
-extern int           drmRandomDestroy(void *state);
-extern unsigned long drmRandom(void *state);
-extern double        drmRandomDouble(void *state);
-
-/* Skip list routines */
-
-extern void *drmSLCreate(void);
-extern int  drmSLDestroy(void *l);
-extern int  drmSLLookup(void *l, unsigned long key, void **value);
-extern int  drmSLInsert(void *l, unsigned long key, void *value);
-extern int  drmSLDelete(void *l, unsigned long key);
-extern int  drmSLNext(void *l, unsigned long *key, void **value);
-extern int  drmSLFirst(void *l, unsigned long *key, void **value);
-extern void drmSLDump(void *l);
-extern int  drmSLLookupNeighbors(void *l, unsigned long key,
-				 unsigned long *prev_key, void **prev_value,
-				 unsigned long *next_key, void **next_value);
-
-extern int drmOpenOnce(void *unused, const char *BusID, int *newlyopened);
-extern int drmOpenOnceWithType(const char *BusID, int *newlyopened, int type);
-extern void drmCloseOnce(int fd);
-extern void drmMsg(const char *format, ...) DRM_PRINTFLIKE(1, 2);
-
-extern int drmSetMaster(int fd);
-extern int drmDropMaster(int fd);
-extern int drmIsMaster(int fd);
-
-#define DRM_EVENT_CONTEXT_VERSION 4
-
-typedef struct _drmEventContext {
-
-	/* This struct is versioned so we can add more pointers if we
-	 * add more events. */
-	int version;
-
-	void (*vblank_handler)(int fd,
-			       unsigned int sequence, 
-			       unsigned int tv_sec,
-			       unsigned int tv_usec,
-			       void *user_data);
-
-	void (*page_flip_handler)(int fd,
-				  unsigned int sequence,
-				  unsigned int tv_sec,
-				  unsigned int tv_usec,
-				  void *user_data);
-
-	void (*page_flip_handler2)(int fd,
-				   unsigned int sequence,
-				   unsigned int tv_sec,
-				   unsigned int tv_usec,
-				   unsigned int crtc_id,
-				   void *user_data);
-
-	void (*sequence_handler)(int fd,
-				 uint64_t sequence,
-				 uint64_t ns,
-				 uint64_t user_data);
-} drmEventContext, *drmEventContextPtr;
-
-extern int drmHandleEvent(int fd, drmEventContextPtr evctx);
-
-extern char *drmGetDeviceNameFromFd(int fd);
-
-/* Improved version of drmGetDeviceNameFromFd which attributes for any type of
- * device/node - card, control or renderD.
- */
-extern char *drmGetDeviceNameFromFd2(int fd);
-extern int drmGetNodeTypeFromFd(int fd);
-
-/* Convert between GEM handles and DMA-BUF file descriptors.
- *
- * Warning: since GEM handles are not reference-counted and are unique per
- * DRM file description, the caller is expected to perform its own reference
- * counting. drmPrimeFDToHandle is guaranteed to return the same handle for
- * different FDs if they reference the same underlying buffer object. This
- * could even be a buffer object originally created on the same DRM FD.
- *
- * When sharing a DRM FD with an API such as EGL or GBM, the caller must not
- * use drmPrimeHandleToFD nor drmPrimeFDToHandle. A single user-space
- * reference-counting implementation is necessary to avoid double-closing GEM
- * handles.
- *
- * Two processes can't share the same DRM FD and both use it to create or
- * import GEM handles, even when using a single user-space reference-counting
- * implementation like GBM, because GBM doesn't share its state between
- * processes.
- */
-extern int drmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags, int *prime_fd);
-extern int drmPrimeFDToHandle(int fd, int prime_fd, uint32_t *handle);
-
-extern int drmCloseBufferHandle(int fd, uint32_t handle);
-
-extern char *drmGetPrimaryDeviceNameFromFd(int fd);
-extern char *drmGetRenderDeviceNameFromFd(int fd);
-
-#define DRM_BUS_PCI       0
-#define DRM_BUS_USB       1
-#define DRM_BUS_PLATFORM  2
-#define DRM_BUS_HOST1X    3
-
-typedef struct _drmPciBusInfo {
-    uint16_t domain;
-    uint8_t bus;
-    uint8_t dev;
-    uint8_t func;
-} drmPciBusInfo, *drmPciBusInfoPtr;
-
-typedef struct _drmPciDeviceInfo {
-    uint16_t vendor_id;
-    uint16_t device_id;
-    uint16_t subvendor_id;
-    uint16_t subdevice_id;
-    uint8_t revision_id;
-} drmPciDeviceInfo, *drmPciDeviceInfoPtr;
-
-typedef struct _drmUsbBusInfo {
-    uint8_t bus;
-    uint8_t dev;
-} drmUsbBusInfo, *drmUsbBusInfoPtr;
-
-typedef struct _drmUsbDeviceInfo {
-    uint16_t vendor;
-    uint16_t product;
-} drmUsbDeviceInfo, *drmUsbDeviceInfoPtr;
-
-#define DRM_PLATFORM_DEVICE_NAME_LEN 512
-
-typedef struct _drmPlatformBusInfo {
-    char fullname[DRM_PLATFORM_DEVICE_NAME_LEN];
-} drmPlatformBusInfo, *drmPlatformBusInfoPtr;
-
-typedef struct _drmPlatformDeviceInfo {
-    char **compatible; /* NULL terminated list of compatible strings */
-} drmPlatformDeviceInfo, *drmPlatformDeviceInfoPtr;
-
-#define DRM_HOST1X_DEVICE_NAME_LEN 512
-
-typedef struct _drmHost1xBusInfo {
-    char fullname[DRM_HOST1X_DEVICE_NAME_LEN];
-} drmHost1xBusInfo, *drmHost1xBusInfoPtr;
-
-typedef struct _drmHost1xDeviceInfo {
-    char **compatible; /* NULL terminated list of compatible strings */
-} drmHost1xDeviceInfo, *drmHost1xDeviceInfoPtr;
-
-typedef struct _drmDevice {
-    char **nodes; /* DRM_NODE_MAX sized array */
-    int available_nodes; /* DRM_NODE_* bitmask */
-    int bustype;
-    union {
-        drmPciBusInfoPtr pci;
-        drmUsbBusInfoPtr usb;
-        drmPlatformBusInfoPtr platform;
-        drmHost1xBusInfoPtr host1x;
-    } businfo;
-    union {
-        drmPciDeviceInfoPtr pci;
-        drmUsbDeviceInfoPtr usb;
-        drmPlatformDeviceInfoPtr platform;
-        drmHost1xDeviceInfoPtr host1x;
-    } deviceinfo;
-} drmDevice, *drmDevicePtr;
-
-extern int drmGetDevice(int fd, drmDevicePtr *device);
-extern void drmFreeDevice(drmDevicePtr *device);
-
-extern int drmGetDevices(drmDevicePtr devices[], int max_devices);
-extern void drmFreeDevices(drmDevicePtr devices[], int count);
-
-#define DRM_DEVICE_GET_PCI_REVISION (1 << 0)
-extern int drmGetDevice2(int fd, uint32_t flags, drmDevicePtr *device);
-extern int drmGetDevices2(uint32_t flags, drmDevicePtr devices[], int max_devices);
-
-extern int drmGetDeviceFromDevId(dev_t dev_id, uint32_t flags, drmDevicePtr *device);
-
-extern int drmDevicesEqual(drmDevicePtr a, drmDevicePtr b);
-
-extern int drmSyncobjCreate(int fd, uint32_t flags, uint32_t *handle);
-extern int drmSyncobjDestroy(int fd, uint32_t handle);
-extern int drmSyncobjHandleToFD(int fd, uint32_t handle, int *obj_fd);
-extern int drmSyncobjFDToHandle(int fd, int obj_fd, uint32_t *handle);
-
-extern int drmSyncobjImportSyncFile(int fd, uint32_t handle, int sync_file_fd);
-extern int drmSyncobjExportSyncFile(int fd, uint32_t handle, int *sync_file_fd);
-extern int drmSyncobjWait(int fd, uint32_t *handles, unsigned num_handles,
-			  int64_t timeout_nsec, unsigned flags,
-			  uint32_t *first_signaled);
-extern int drmSyncobjReset(int fd, const uint32_t *handles, uint32_t handle_count);
-extern int drmSyncobjSignal(int fd, const uint32_t *handles, uint32_t handle_count);
-extern int drmSyncobjTimelineSignal(int fd, const uint32_t *handles,
-				    uint64_t *points, uint32_t handle_count);
-extern int drmSyncobjTimelineWait(int fd, uint32_t *handles, uint64_t *points,
-				  unsigned num_handles,
-				  int64_t timeout_nsec, unsigned flags,
-				  uint32_t *first_signaled);
-extern int drmSyncobjQuery(int fd, uint32_t *handles, uint64_t *points,
-			   uint32_t handle_count);
-extern int drmSyncobjQuery2(int fd, uint32_t *handles, uint64_t *points,
-			    uint32_t handle_count, uint32_t flags);
-extern int drmSyncobjTransfer(int fd,
-			      uint32_t dst_handle, uint64_t dst_point,
-			      uint32_t src_handle, uint64_t src_point,
-			      uint32_t flags);
-
-extern char *
-drmGetFormatModifierVendor(uint64_t modifier);
-
-extern char *
-drmGetFormatModifierName(uint64_t modifier);
-
-extern char *
-drmGetFormatName(uint32_t format);
-
-#ifndef fourcc_mod_get_vendor
-#define fourcc_mod_get_vendor(modifier) \
-       (((modifier) >> 56) & 0xff)
-#endif
-
-#if defined(__cplusplus)
-}
-#endif
-
-#endif