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4363 | Serge | 1 | /** |
2 | * \file xf86drm.c |
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3 | * User-level interface to DRM device |
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4 | * |
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5 | * \author Rickard E. (Rik) Faith |
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6 | * \author Kevin E. Martin |
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7 | */ |
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8 | |||
9 | /* |
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10 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. |
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11 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. |
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12 | * All Rights Reserved. |
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13 | * |
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14 | * Permission is hereby granted, free of charge, to any person obtaining a |
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15 | * copy of this software and associated documentation files (the "Software"), |
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16 | * to deal in the Software without restriction, including without limitation |
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17 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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18 | * and/or sell copies of the Software, and to permit persons to whom the |
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19 | * Software is furnished to do so, subject to the following conditions: |
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20 | * |
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21 | * The above copyright notice and this permission notice (including the next |
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22 | * paragraph) shall be included in all copies or substantial portions of the |
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23 | * Software. |
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24 | * |
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25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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26 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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27 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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28 | * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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29 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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30 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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31 | * DEALINGS IN THE SOFTWARE. |
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32 | */ |
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33 | |||
34 | #ifdef HAVE_CONFIG_H |
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35 | # include |
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36 | #endif |
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37 | #include |
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38 | #include |
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39 | #include |
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40 | #include |
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41 | #include |
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42 | #include |
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43 | #include |
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44 | #include |
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45 | #include |
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46 | |||
5068 | serge | 47 | /* Not all systems have MAP_FAILED defined */ |
48 | #ifndef MAP_FAILED |
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49 | #define MAP_FAILED ((void *)-1) |
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50 | #endif |
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51 | |||
4363 | Serge | 52 | #include "xf86drm.h" |
53 | #include |
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54 | |||
55 | #ifndef DRM_MAJOR |
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56 | #define DRM_MAJOR 226 /* Linux */ |
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57 | #endif |
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58 | |||
59 | |||
60 | int drmGetMagic(int fd, drm_magic_t * magic) |
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61 | { |
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62 | drm_auth_t auth; |
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63 | |||
64 | *magic = 1; |
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65 | // if (drmIoctl(fd, DRM_IOCTL_GET_MAGIC, &auth)) |
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66 | // return -errno; |
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67 | // *magic = auth.magic; |
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68 | return 0; |
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69 | } |
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70 | |||
71 | void drmFreeVersion(drmVersionPtr v) |
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72 | { |
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73 | if (!v) |
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74 | return; |
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75 | // drmFree(v->name); |
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76 | // drmFree(v->date); |
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77 | // drmFree(v->desc); |
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78 | free(v); |
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79 | } |
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80 | drmVersionPtr drmGetVersion(int fd) |
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81 | { |
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82 | drmVersionPtr v; |
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83 | |||
84 | v = malloc(sizeof(*v)); |
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85 | |||
86 | v->version_major = 1; |
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87 | v->version_minor = 6; |
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88 | v->version_patchlevel = 0; |
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89 | v->name_len = 4; |
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90 | v->name = "i915"; |
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91 | v->date_len = 8; |
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92 | v->date = "20080730"; |
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93 | v->desc_len = 14; |
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94 | v->desc = "Intel Graphics"; |
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95 | return v; |
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96 | } |
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97 | |||
98 | int drmIoctl(int fd, unsigned long request, void *arg) |
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99 | { |
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100 | ioctl_t io; |
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101 | |||
102 | io.handle = fd; |
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103 | io.io_code = request; |
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104 | io.input = arg; |
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105 | io.inp_size = 64; |
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106 | io.output = NULL; |
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107 | io.out_size = 0; |
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108 | |||
109 | return call_service(&io); |
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110 | } |