0,0 → 1,725 |
/** |
* \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) || defined(c_plusplus) |
extern "C" { |
#endif |
|
#ifndef DRM_MAX_MINOR |
#define DRM_MAX_MINOR 16 |
#endif |
|
#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) |
|
|
/* 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) |
|
#define DRM_DIR_NAME "/dev/dri" |
#define DRM_DEV_NAME "%s/card%d" |
#define DRM_CONTROL_DEV_NAME "%s/controlD%d" |
#define DRM_PROC_NAME "/proc/dri/" /* For backward Linux compatibility */ |
|
#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 */ |
|
typedef struct _drmServerInfo { |
int (*debug_print)(const char *format, va_list ap); |
int (*load_module)(const char *name); |
} 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) |
|
#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); |
extern int drmOpenControl(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); |
|
/* 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); |
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extern int drmWaitVBlank(int fd, drmVBlankPtr vbl); |
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/* 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); |
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/* 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); |
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/* PRNG routines */ |
extern void *drmRandomCreate(unsigned long seed); |
extern int drmRandomDestroy(void *state); |
extern unsigned long drmRandom(void *state); |
extern double drmRandomDouble(void *state); |
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/* Skip list routines */ |
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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); |
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extern int drmOpenOnce(void *unused, const char *BusID, int *newlyopened); |
extern void drmCloseOnce(int fd); |
extern void drmMsg(const char *format, ...); |
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extern int drmSetMaster(int fd); |
extern int drmDropMaster(int fd); |
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#define DRM_EVENT_CONTEXT_VERSION 2 |
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typedef struct _drmEventContext { |
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/* This struct is versioned so we can add more pointers if we |
* add more events. */ |
int version; |
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void (*vblank_handler)(int fd, |
unsigned int sequence, |
unsigned int tv_sec, |
unsigned int tv_usec, |
void *user_data); |
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void (*page_flip_handler)(int fd, |
unsigned int sequence, |
unsigned int tv_sec, |
unsigned int tv_usec, |
void *user_data); |
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} drmEventContext, *drmEventContextPtr; |
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extern int drmHandleEvent(int fd, drmEventContextPtr evctx); |
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extern char *drmGetDeviceNameFromFd(int fd); |
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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); |
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#if defined(__cplusplus) || defined(c_plusplus) |
} |
#endif |
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#endif |