workbench/hidds/nouveau/drm/libdrm/arosdrm.h

   1 /*
   2  * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
   3  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #if !defined(AROSDRM_H)
  28 #define AROSDRM_H
  29
  30 #include <drm.h>
  31
  32 typedef unsigned int  drmSize,     *drmSizePtr;     /**< For mapped regions */
  33 typedef void          *drmAddress, **drmAddressPtr; /**< For mapped regions */
  34
  35 typedef struct _drmLock {
  36     volatile unsigned int lock;
  37     char                      padding[60];
  38     /* This is big enough for most current (and future?) architectures:
  39        DEC Alpha:              32 bytes
  40        Intel Merced:           ?
  41        Intel P5/PPro/PII/PIII: 32 bytes
  42        Intel StrongARM:        32 bytes
  43        Intel i386/i486:        16 bytes
  44        MIPS:                   32 bytes (?)
  45        Motorola 68k:           16 bytes
  46        Motorola PowerPC:       32 bytes
  47        Sun SPARC:              32 bytes
  48     */
  49 } drmLock, *drmLockPtr;
  50
  51 typedef struct _drmVersion {
  52     int     version_major;        /**< Major version */
  53     int     version_minor;        /**< Minor version */
  54     int     version_patchlevel;   /**< Patch level */
  55     int     name_len;             /**< Length of name buffer */
  56     char    *name;            /**< Name of driver */
  57     int     date_len;             /**< Length of date buffer */
  58     char    *date;                /**< User-space buffer to hold date */
  59     int     desc_len;             /**< Length of desc buffer */
  60     char    *desc;                /**< User-space buffer to hold desc */
  61 } drmVersion, *drmVersionPtr;
  62
  63 extern int           drmOpen(const char *name, const char *busid);
  64 extern int           drmClose(int fd);
  65 extern drmVersionPtr drmGetVersion(int fd);
  66 extern void          drmFreeVersion(drmVersionPtr);
  67 extern int           drmCommandNone(int fd, unsigned long drmCommandIndex);
  68 extern int           drmCommandRead(int fd, unsigned long drmCommandIndex,
  69                                     void *data, unsigned long size);
  70 extern int           drmCommandWrite(int fd, unsigned long drmCommandIndex,
  71                                      void *data, unsigned long size);
  72 extern int           drmCommandWriteRead(int fd, unsigned long drmCommandIndex,
  73                                          void *data, unsigned long size);
  74 extern int           drmCreateContext(int fd, drm_context_t * handle);
  75 extern int           drmDestroyContext(int fd, drm_context_t handle);
  76 extern int           drmIoctl(int fd, unsigned long request, void *arg);
  77
  78 extern void          *drmMalloc(int size);
  79 extern void          drmFree(void *pt);
  80
  81 /* AROS specific */
  82 extern void *       drmMMap(int fd, uint32_t handle);
  83 extern void         drmMUnmap(int fd, uint32_t handle);
  84
  85 #endif