LXR linux/include/uapi/linux/dvb/ca.h

   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
  91