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01: /*
02:  * ca.h
03:  *
04:  * Copyright (C) 2000 Ralph  Metzler <ralph@convergence.de>
05:  *                  & Marcus Metzler <marcus@convergence.de>
06:  *                    for convergence integrated media GmbH
07:  *
08:  * This program is free software; you can redistribute it and/or
09:  * modify it under the terms of the GNU General Lesser Public License
10:  * as published by the Free Software Foundation; either version 2.1
11:  * of the License, or (at your option) any later version.
12:  *
13:  * This program is distributed in the hope that it will be useful,
14:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16:  * GNU General Public License for more details.
17:  *
18:  * You should have received a copy of the GNU Lesser General Public License
19:  * along with this program; if not, write to the Free Software
20:  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
21:  *
22:  */
23: 
24: #ifndef _DVBCA_H_
25: #define _DVBCA_H_
26: 
27: /* slot interface types and info */
28: 
29: typedef struct ca_slot_info {
30:         int num;               /* slot number */
31: 
32:         int type;              /* CA interface this slot supports */
33: #define CA_CI            1     /* CI high level interface */
34: #define CA_CI_LINK       2     /* CI link layer level interface */
35: #define CA_CI_PHYS       4     /* CI physical layer level interface */
36: #define CA_DESCR         8     /* built-in descrambler */
37: #define CA_SC          128     /* simple smart card interface */
38: 
39:         unsigned int flags;
40: #define CA_CI_MODULE_PRESENT 1 /* module (or card) inserted */
41: #define CA_CI_MODULE_READY   2
42: } ca_slot_info_t;
43: 
44: 
45: /* descrambler types and info */
46: 
47: typedef struct ca_descr_info {
48:         unsigned int num;          /* number of available descramblers (keys) */
49:         unsigned int type;         /* type of supported scrambling system */
50: #define CA_ECD           1
51: #define CA_NDS           2
52: #define CA_DSS           4
53: } ca_descr_info_t;
54: 
55: typedef struct ca_caps {
56:         unsigned int slot_num;     /* total number of CA card and module slots */
57:         unsigned int slot_type;    /* OR of all supported types */
58:         unsigned int descr_num;    /* total number of descrambler slots (keys) */
59:         unsigned int descr_type;   /* OR of all supported types */
60: } ca_caps_t;
61: 
62: /* a message to/from a CI-CAM */
63: typedef struct ca_msg {
64:         unsigned int index;
65:         unsigned int type;
66:         unsigned int length;
67:         unsigned char msg[256];
68: } ca_msg_t;
69: 
70: typedef struct ca_descr {
71:         unsigned int index;
72:         unsigned int parity;    /* 0 == even, 1 == odd */
73:         unsigned char cw[8];
74: } ca_descr_t;
75: 
76: typedef struct ca_pid {
77:         unsigned int pid;
78:         int index;              /* -1 == disable*/
79: } ca_pid_t;
80: 
81: #define CA_RESET          _IO('o', 128)
82: #define CA_GET_CAP        _IOR('o', 129, ca_caps_t)
83: #define CA_GET_SLOT_INFO  _IOR('o', 130, ca_slot_info_t)
84: #define CA_GET_DESCR_INFO _IOR('o', 131, ca_descr_info_t)
85: #define CA_GET_MSG        _IOR('o', 132, ca_msg_t)
86: #define CA_SEND_MSG       _IOW('o', 133, ca_msg_t)
87: #define CA_SET_DESCR      _IOW('o', 134, ca_descr_t)
88: #define CA_SET_PID        _IOW('o', 135, ca_pid_t)
89: 
90: #endif
91: 

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