| /** |
| * \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_DEV_NAME "%s/drm%d" |
| #define DRM_CONTROL_DEV_NAME "%s/drmC%d" |
| #define DRM_RENDER_DEV_NAME "%s/drmR%d" |
| #else |
| #define DRM_DIR_NAME "/dev/dri" |
| #define DRM_DEV_NAME "%s/card%d" |
| #define DRM_CONTROL_DEV_NAME "%s/controlD%d" |
| #define DRM_RENDER_DEV_NAME "%s/renderD%d" |
| #define DRM_PROC_NAME "/proc/dri/" /* For backward Linux compatibility */ |
| #endif |
| |
| #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) |
| |
| #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); |
| |
| /* 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); |
| |
| #define DRM_EVENT_CONTEXT_VERSION 2 |
| |
| 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); |
| |
| } 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); |
| |
| 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 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); |
| |
| #if defined(__cplusplus) |
| } |
| #endif |
| |
| #endif |
