| 1 | /* |
| 2 | Copyright (c) 2012, Broadcom Europe Ltd |
| 3 | All rights reserved. |
| 4 | |
| 5 | Redistribution and use in source and binary forms, with or without |
| 6 | modification, are permitted provided that the following conditions are met: |
| 7 | * Redistributions of source code must retain the above copyright |
| 8 | notice, this list of conditions and the following disclaimer. |
| 9 | * Redistributions in binary form must reproduce the above copyright |
| 10 | notice, this list of conditions and the following disclaimer in the |
| 11 | documentation and/or other materials provided with the distribution. |
| 12 | * Neither the name of the copyright holder nor the |
| 13 | names of its contributors may be used to endorse or promote products |
| 14 | derived from this software without specific prior written permission. |
| 15 | |
| 16 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 17 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 18 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 19 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY |
| 20 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 21 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 22 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 23 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 24 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 25 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | #include "mmal_vc_api_drm.h" |
| 28 | #include "mmal_vc_api.h" |
| 29 | #include "interface/mmal/mmal_logging.h" |
| 30 | #include "interface/mmal/mmal.h" |
| 31 | #include "mmal_vc_api.h" |
| 32 | #include "mmal_vc_msgs.h" |
| 33 | #include "mmal_vc_client_priv.h" |
| 34 | #include "mmal_vc_opaque_alloc.h" |
| 35 | #include "mmal_vc_shm.h" |
| 36 | #include "interface/mmal/util/mmal_util.h" |
| 37 | #include "interface/mmal/core/mmal_component_private.h" |
| 38 | #include "interface/mmal/core/mmal_port_private.h" |
| 39 | #include "interface/mmal/core/mmal_buffer_private.h" |
| 40 | #include "interface/vcos/vcos.h" |
| 41 | |
| 42 | |
| 43 | int mmal_vc_drm_get_time(unsigned int * time) |
| 44 | { |
| 45 | MMAL_STATUS_T status; |
| 46 | mmal_worker_msg_header req; |
| 47 | mmal_worker_drm_get_time_reply reply; |
| 48 | size_t len = sizeof(reply); |
| 49 | status = mmal_vc_init(); |
| 50 | if (status != MMAL_SUCCESS) return status; |
| 51 | status = mmal_vc_sendwait_message(mmal_vc_get_client(), |
| 52 | &req, sizeof(req), |
| 53 | MMAL_WORKER_DRM_GET_TIME, |
| 54 | &reply, &len, MMAL_FALSE); |
| 55 | *time = reply.time; |
| 56 | mmal_vc_deinit(); |
| 57 | return status; |
| 58 | } |
| 59 | |
| 60 | |
| 61 | int mmal_vc_drm_get_lhs32(unsigned char * into) |
| 62 | { |
| 63 | MMAL_STATUS_T status; |
| 64 | mmal_worker_msg_header req; |
| 65 | mmal_worker_drm_get_lhs32_reply reply; |
| 66 | size_t len = sizeof(reply); |
| 67 | status = mmal_vc_init(); |
| 68 | if (status != MMAL_SUCCESS) return status; |
| 69 | |
| 70 | status = mmal_vc_sendwait_message(mmal_vc_get_client(), |
| 71 | &req, sizeof(req), |
| 72 | MMAL_WORKER_DRM_GET_LHS32, |
| 73 | &reply, &len, MMAL_FALSE); |
| 74 | memcpy(into, reply.secret, 32); |
| 75 | mmal_vc_deinit(); |
| 76 | return status; |
| 77 | } |
| 78 | |