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