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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 00028 #ifndef MMAL_VC_CLIENT_H 00029 #define MMAL_VC_CLIENT_H 00030 00036 struct MMAL_CLIENT_T; 00037 typedef struct MMAL_CLIENT_T MMAL_CLIENT_T; 00038 00039 void mmal_vc_client_init(void); 00040 00043 typedef struct MMAL_VC_CLIENT_BUFFER_CONTEXT_T 00044 { 00045 uint32_t magic; 00046 00048 void (*callback)(struct mmal_worker_buffer_from_host *); 00049 00051 void (*callback_event)(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *event); 00052 00054 MMAL_PORT_T *port; 00055 00057 MMAL_BUFFER_HEADER_T *buffer; 00058 00060 struct mmal_worker_buffer_from_host msg; 00061 } MMAL_VC_CLIENT_BUFFER_CONTEXT_T; 00062 00063 00064 MMAL_CLIENT_T *mmal_vc_get_client(void); 00065 00066 MMAL_STATUS_T mmal_vc_sendwait_message(MMAL_CLIENT_T *client, 00067 mmal_worker_msg_header *header, 00068 size_t size, 00069 uint32_t msgid, 00070 void *dest, 00071 size_t *destlen, 00072 MMAL_BOOL_T send_dummy_bulk); 00073 00074 MMAL_STATUS_T mmal_vc_send_message(MMAL_CLIENT_T *client, 00075 mmal_worker_msg_header *header, size_t size, 00076 uint8_t *data, size_t data_size, 00077 uint32_t msgid); 00078 00079 #endif 00080