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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
29typedef struct ca_slot_info {
Mauro Carvalho Chehabafd1a0c2005-12-12 00:37:27 -080030 int num; /* slot number */
Linus Torvalds1da177e2005-04-16 15:20:36 -070031
Mauro Carvalho Chehabafd1a0c2005-12-12 00:37:27 -080032 int type; /* CA interface this slot supports */
Linus Torvalds1da177e2005-04-16 15:20:36 -070033#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
Mauro Carvalho Chehabafd1a0c2005-12-12 00:37:27 -080039 unsigned int flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -070040#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
47typedef struct ca_descr_info {
Mauro Carvalho Chehabafd1a0c2005-12-12 00:37:27 -080048 unsigned int num; /* number of available descramblers (keys) */
49 unsigned int type; /* type of supported scrambling system */
Linus Torvalds1da177e2005-04-16 15:20:36 -070050#define CA_ECD 1
51#define CA_NDS 2
52#define CA_DSS 4
53} ca_descr_info_t;
54
55typedef struct ca_caps {
Mauro Carvalho Chehabafd1a0c2005-12-12 00:37:27 -080056 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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070060} ca_caps_t;
61
62/* a message to/from a CI-CAM */
63typedef struct ca_msg {
Mauro Carvalho Chehabafd1a0c2005-12-12 00:37:27 -080064 unsigned int index;
65 unsigned int type;
66 unsigned int length;
67 unsigned char msg[256];
Linus Torvalds1da177e2005-04-16 15:20:36 -070068} ca_msg_t;
69
70typedef struct ca_descr {
Mauro Carvalho Chehabafd1a0c2005-12-12 00:37:27 -080071 unsigned int index;
72 unsigned int parity; /* 0 == even, 1 == odd */
73 unsigned char cw[8];
Linus Torvalds1da177e2005-04-16 15:20:36 -070074} ca_descr_t;
75
76typedef struct ca_pid {
Mauro Carvalho Chehabafd1a0c2005-12-12 00:37:27 -080077 unsigned int pid;
78 int index; /* -1 == disable*/
Linus Torvalds1da177e2005-04-16 15:20:36 -070079} 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