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. */
31enum {
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. */
64struct 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 */
77