77 lines
2.9 KiB
C
77 lines
2.9 KiB
C
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/*
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* va_drmcommon.h - Common utilities for DRM-based drivers
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*
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* Copyright (c) 2012 Intel Corporation. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef VA_DRM_COMMON_H
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#define VA_DRM_COMMON_H
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/** \brief DRM authentication type. */
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enum {
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/** \brief Disconnected. */
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VA_DRM_AUTH_NONE = 0,
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/**
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* \brief Connected. Authenticated with DRI1 protocol.
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*
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* @deprecated
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* This is a deprecated authentication type. All DRI-based drivers have
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* been migrated to use the DRI2 protocol. Newly written drivers shall
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* use DRI2 protocol only, or a custom authentication means. e.g. opt
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* for authenticating on the VA driver side, instead of libva side.
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*/
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VA_DRM_AUTH_DRI1 = 1,
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/**
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* \brief Connected. Authenticated with DRI2 protocol.
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*
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* This is only useful to VA/X11 drivers. The libva-x11 library provides
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* a helper function VA_DRI2Authenticate() for authenticating the
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* connection. However, DRI2 conformant drivers don't need to call that
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* function since authentication happens on the libva side, implicitly.
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*/
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VA_DRM_AUTH_DRI2 = 2,
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/**
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* \brief Connected. Authenticated with some alternate raw protocol.
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*
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* This authentication mode is mainly used in non-VA/X11 drivers.
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* Authentication happens through some alternative method, at the
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* discretion of the VA driver implementation.
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*/
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VA_DRM_AUTH_CUSTOM = 3
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};
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/** \brief Base DRM state. */
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struct drm_state {
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/** \brief DRM connection descriptor. */
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int fd;
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/** \brief DRM authentication type. */
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int auth_type;
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};
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/** \brief Kernel DRM buffer memory type. */
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#define VA_SURFACE_ATTRIB_MEM_TYPE_KERNEL_DRM 0x10000000
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/** \brief DRM PRIME memory type. */
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#define VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME 0x20000000
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#endif /* VA_DRM_COMMON_H */
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