| Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 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 { |
| 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 |