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/*
* va_drmcommon.h - Common utilities for DRM-based drivers
*
* Copyright (c) 2012 Intel Corporation. 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, sub license, 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL INTEL 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 VA_DRM_COMMON_H
#define VA_DRM_COMMON_H
/** \brief DRM authentication type. */
enum {
/** \brief Disconnected. */
VA_DRM_AUTH_NONE = 0,
/**
* \brief Connected. Authenticated with DRI1 protocol.
*
* @deprecated
* This is a deprecated authentication type. All DRI-based drivers have
* been migrated to use the DRI2 protocol. Newly written drivers shall
* use DRI2 protocol only, or a custom authentication means. e.g. opt
* for authenticating on the VA driver side, instead of libva side.
*/
VA_DRM_AUTH_DRI1 = 1,
/**
* \brief Connected. Authenticated with DRI2 protocol.
*
* This is only useful to VA/X11 drivers. The libva-x11 library provides
* a helper function VA_DRI2Authenticate() for authenticating the
* connection. However, DRI2 conformant drivers don't need to call that
* function since authentication happens on the libva side, implicitly.
*/
VA_DRM_AUTH_DRI2 = 2,
/**
* \brief Connected. Authenticated with some alternate raw protocol.
*
* This authentication mode is mainly used in non-VA/X11 drivers.
* Authentication happens through some alternative method, at the
* discretion of the VA driver implementation.
*/
VA_DRM_AUTH_CUSTOM = 3
};
/** \brief Base DRM state. */
struct drm_state {
/** \brief DRM connection descriptor. */
int fd;
/** \brief DRM authentication type. */
int auth_type;
};
/** \brief Kernel DRM buffer memory type "KDRM" in fourcc */
#define VA_SURFACE_ATTRIB_MEM_TYPE_KERNEL_DRM 0x4D52444B
/** \brief DRM PRIME memory type "DPRI" in fourcc */
#define VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME 0x49525044
#endif /* VA_DRM_COMMON_H */
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