1/* 2 * Copyright © 2014 NVIDIA Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 23#include <fcntl.h> 24#include <stdio.h> 25#include <unistd.h> 26 27#include "xf86drm.h" 28#include "tegra.h" 29 30static const char default_device[] = "/dev/dri/card0"; 31 32int main(int argc, char *argv[]) 33{ 34 struct drm_tegra *tegra; 35 drmVersionPtr version; 36 const char *device; 37 int err, fd; 38 39 if (argc < 2) 40 device = default_device; 41 else 42 device = argv[1]; 43 44 fd = open(device, O_RDWR); 45 if (fd < 0) 46 return 1; 47 48 version = drmGetVersion(fd); 49 if (version) { 50 printf("Version: %d.%d.%d\n", version->version_major, 51 version->version_minor, version->version_patchlevel); 52 printf(" Name: %s\n", version->name); 53 printf(" Date: %s\n", version->date); 54 printf(" Description: %s\n", version->desc); 55 56 drmFreeVersion(version); 57 } 58 59 err = drm_tegra_new(fd, &tegra); 60 if (err < 0) 61 return 1; 62 63 drm_tegra_close(tegra); 64 close(fd); 65 66 return 0; 67} 68