10. DVB Conditional Access Header File¶
10.1. ca.h¶
/* * ca.h * * Copyright (C) 2000 Ralph Metzler <ralph@convergence.de> * & Marcus Metzler <marcus@convergence.de> * for convergence integrated media GmbH * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Lesser Public License * as published by the Free Software Foundation; either version 2.1 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ #ifndef _DVBCA_H_ #define _DVBCA_H_ /* slot interface types and info */ typedef structca_slot_info
{ int num; /* slot number */ int type; /* CA interface this slot supports */ #defineCA_CI
1 /* CI high level interface */ #defineCA_CI_LINK
2 /* CI link layer level interface */ #defineCA_CI_PHYS
4 /* CI physical layer level interface */ #defineCA_DESCR
8 /* built-in descrambler */ #defineCA_SC
128 /* simple smart card interface */ unsigned int flags; #defineCA_CI_MODULE_PRESENT
1 /* module (or card) inserted */ #defineCA_CI_MODULE_READY
2 }ca_slot_info_t
; /* descrambler types and info */ typedef structca_descr_info
{ unsigned int num; /* number of available descramblers (keys) */ unsigned int type; /* type of supported scrambling system */ #defineCA_ECD
1 #defineCA_NDS
2 #defineCA_DSS
4 }ca_descr_info_t
; typedef structca_caps
{ unsigned int slot_num; /* total number of CA card and module slots */ unsigned int slot_type; /* OR of all supported types */ unsigned int descr_num; /* total number of descrambler slots (keys) */ unsigned int descr_type; /* OR of all supported types */ }ca_caps_t
; /* a message to/from a CI-CAM */ typedef structca_msg
{ unsigned int index; unsigned int type; unsigned int length; unsigned char msg[256]; }ca_msg_t
; typedef structca_descr
{ unsigned int index; unsigned int parity; /* 0 == even, 1 == odd */ unsigned char cw[8]; }ca_descr_t
; typedef structca_pid
{ unsigned int pid; int index; /* -1 == disable*/ }ca_pid_t
; #define CA_RESET _IO('o', 128) #define CA_GET_CAP _IOR('o', 129,ca_caps_t
) #define CA_GET_SLOT_INFO _IOR('o', 130,ca_slot_info_t
) #define CA_GET_DESCR_INFO _IOR('o', 131,ca_descr_info_t
) #define CA_GET_MSG _IOR('o', 132,ca_msg_t
) #define CA_SEND_MSG _IOW('o', 133,ca_msg_t
) #define CA_SET_DESCR _IOW('o', 134,ca_descr_t
) #define CA_SET_PID _IOW('o', 135,ca_pid_t
) #endif