/*
* ca.h
*
* Copyright (C) 2000 Ralph Metzler <[email protected]>
* & Marcus Metzler <[email protected]>
* 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