third_party/libva/va/va_drmcommon.h

   1 /*
   2  * va_drmcommon.h - Common utilities for DRM-based drivers
   3  *
   4  * Copyright (c) 2012 Intel Corporation. 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
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27 #ifndef VA_DRM_COMMON_H
  28 #define VA_DRM_COMMON_H
  29
  30 /** \brief DRM authentication type. */
  31 enum {
  32     /** \brief Disconnected. */
  33     VA_DRM_AUTH_NONE    = 0,
  34     /**
  35      * \brief Connected. Authenticated with DRI1 protocol.
  36      *
  37      * @deprecated
  38      * This is a deprecated authentication type. All DRI-based drivers have
  39      * been migrated to use the DRI2 protocol. Newly written drivers shall
  40      * use DRI2 protocol only, or a custom authentication means. e.g. opt
  41      * for authenticating on the VA driver side, instead of libva side.
  42      */
  43     VA_DRM_AUTH_DRI1    = 1,
  44     /**
  45      * \brief Connected. Authenticated with DRI2 protocol.
  46      *
  47      * This is only useful to VA/X11 drivers. The libva-x11 library provides
  48      * a helper function VA_DRI2Authenticate() for authenticating the
  49      * connection. However, DRI2 conformant drivers don't need to call that
  50      * function since authentication happens on the libva side, implicitly.
  51      */
  52     VA_DRM_AUTH_DRI2    = 2,
  53     /**
  54      * \brief Connected. Authenticated with some alternate raw protocol.
  55      *
  56      * This authentication mode is mainly used in non-VA/X11 drivers.
  57      * Authentication happens through some alternative method, at the
  58      * discretion of the VA driver implementation.
  59      */
  60     VA_DRM_AUTH_CUSTOM  = 3
  61 };
  62
  63 /** \brief Base DRM state. */
  64 struct drm_state {
  65     /** \brief DRM connection descriptor. */
  66     int         fd;
  67     /** \brief DRM authentication type. */
  68     int         auth_type;
  69 };
  70
  71 /** \brief Kernel DRM buffer memory type.  */
  72 #define VA_SURFACE_ATTRIB_MEM_TYPE_KERNEL_DRM           0x10000000
  73 /** \brief DRM PRIME memory type. */
  74 #define VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME            0x20000000
  75
  76 #endif /* VA_DRM_COMMON_H */