/*  * 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 struct ca_slot_info {        int num;               /* slot number */        int type;              /* CA interface this slot supports */#define CA_CI            1     /* CI high level interface */#define CA_CI_LINK       2     /* CI link layer level interface */#define CA_CI_PHYS       4     /* CI physical layer level interface */#define CA_DESCR         8     /* built-in descrambler */#define CA_SC          128     /* simple smart card interface */        unsigned int flags;#define CA_CI_MODULE_PRESENT 1 /* module (or card) inserted */#define CA_CI_MODULE_READY   2} ca_slot_info_t;/* descrambler types and info */typedef struct ca_descr_info {        unsigned int num;          /* number of available descramblers (keys) */        unsigned int type;         /* type of supported scrambling system */#define CA_ECD           1#define CA_NDS           2#define CA_DSS           4} ca_descr_info_t;typedef struct ca_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 struct ca_msg {        unsigned int index;        unsigned int type;        unsigned int length;        unsigned char msg[256];} ca_msg_t;typedef struct ca_descr {        unsigned int index;        unsigned int parity;	/* 0 == even, 1 == odd */        unsigned char cw[8];} ca_descr_t;typedef struct ca_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