|  | /* | 
|  | * 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 |