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1da177e4 LT |
1 | /* |
2 | * ca.h | |
3 | * | |
4 | * Copyright (C) 2000 Ralph Metzler <ralph@convergence.de> | |
5 | * & Marcus Metzler <marcus@convergence.de> | |
6 | * for convergence integrated media GmbH | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * 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 { | |
afd1a0c9 | 30 | int num; /* slot number */ |
1da177e4 | 31 | |
afd1a0c9 | 32 | int type; /* CA interface this slot supports */ |
1da177e4 LT |
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 | ||
afd1a0c9 | 39 | unsigned int flags; |
1da177e4 LT |
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 { | |
afd1a0c9 MCC |
48 | unsigned int num; /* number of available descramblers (keys) */ |
49 | unsigned int type; /* type of supported scrambling system */ | |
1da177e4 LT |
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 { | |
afd1a0c9 MCC |
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 */ | |
1da177e4 LT |
60 | } ca_caps_t; |
61 | ||
62 | /* a message to/from a CI-CAM */ | |
63 | typedef struct ca_msg { | |
afd1a0c9 MCC |
64 | unsigned int index; |
65 | unsigned int type; | |
66 | unsigned int length; | |
67 | unsigned char msg[256]; | |
1da177e4 LT |
68 | } ca_msg_t; |
69 | ||
70 | typedef struct ca_descr { | |
afd1a0c9 MCC |
71 | unsigned int index; |
72 | unsigned int parity; /* 0 == even, 1 == odd */ | |
73 | unsigned char cw[8]; | |
1da177e4 LT |
74 | } ca_descr_t; |
75 | ||
76 | typedef struct ca_pid { | |
afd1a0c9 MCC |
77 | unsigned int pid; |
78 | int index; /* -1 == disable*/ | |
1da177e4 LT |
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 |