1 /* 2 * ca.h 3 * 4 * Copyright (C) 2000 Ralph Metzler <ralph (at) convergence.de> 5 * & Marcus Metzler <marcus (at) 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 { 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
