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/include/linux/dvb/ca.h

https://github.com/airy09/android_kernel_sony_apq8064
C Header | 90 lines | 51 code | 14 blank | 25 comment | 0 complexity | d26b60e9e8a732fb4258cca348caf21d MD5 | raw file
 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
29typedef 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
47typedef 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
55typedef 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 */
63typedef 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
70typedef 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
76typedef 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