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00001 /* 00002 Copyright (c) 2012, Broadcom Europe Ltd 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, with or without 00006 modification, are permitted provided that the following conditions are met: 00007 * Redistributions of source code must retain the above copyright 00008 notice, this list of conditions and the following disclaimer. 00009 * Redistributions in binary form must reproduce the above copyright 00010 notice, this list of conditions and the following disclaimer in the 00011 documentation and/or other materials provided with the distribution. 00012 * Neither the name of the copyright holder nor the 00013 names of its contributors may be used to endorse or promote products 00014 derived from this software without specific prior written permission. 00015 00016 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 00017 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00018 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00019 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY 00020 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00021 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00022 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00023 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00024 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00025 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00026 */ 00027 #ifndef MMAL_VC_API_DRM_H 00028 #define MMAL_VC_API_DRM_H 00029 00036 #ifdef __cplusplus 00037 extern "C" { 00038 #endif 00039 00040 // Reads the current clock (in microseconds) into the "time" variable. 00041 // Returns zero on success, nonszero on failure 00042 int mmal_vc_drm_get_time(unsigned int * time); 00043 00044 // Reads the local hardware secret into the "into" variable (needs to be 32 bytes of space for this) 00045 // Returns 0 on success, nonzero on failure 00046 // Usage: 00047 // unsigned char buffer[32]; 00048 // success = mmal_vc_divx_drm_get_lhs(buffer); 00049 int mmal_vc_drm_get_lhs32(unsigned char * into); 00050 00051 00052 #ifdef __cplusplus 00053 } 00054 #endif 00055 #endif