| [43002] | 1 | /* |
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| 2 | * ca.h |
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| 3 | * |
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| 4 | * Copyright (C) 2000 Ralph Metzler <ralph@convergence.de> |
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| 5 | * & Marcus Metzler <marcus@convergence.de> |
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| 6 | * for convergence integrated media GmbH |
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| 7 | * |
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| 8 | * This program is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU General Lesser Public License |
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| 10 | * as published by the Free Software Foundation; either version 2.1 |
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| 11 | * of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * This program is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | * GNU General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU Lesser General Public License |
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| 19 | * along with this program; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 21 | * |
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| 22 | */ |
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| 23 | |
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| 24 | #ifndef _DVBCA_H_ |
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| 25 | #define _DVBCA_H_ |
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| 26 | |
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| 27 | /* slot interface types and info */ |
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| 28 | |
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| 29 | typedef struct ca_slot_info { |
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| 30 | int num; /* slot number */ |
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| 31 | |
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| 32 | int type; /* CA interface this slot supports */ |
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| 33 | #define CA_CI 1 /* CI high level interface */ |
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| 34 | #define CA_CI_LINK 2 /* CI link layer level interface */ |
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| 35 | #define CA_CI_PHYS 4 /* CI physical layer level interface */ |
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| 36 | #define CA_DESCR 8 /* built-in descrambler */ |
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| 37 | #define CA_SC 128 /* simple smart card interface */ |
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| 38 | |
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| 39 | unsigned int flags; |
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| 40 | #define CA_CI_MODULE_PRESENT 1 /* module (or card) inserted */ |
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| 41 | #define CA_CI_MODULE_READY 2 |
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| 42 | } ca_slot_info_t; |
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| 43 | |
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| 44 | |
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| 45 | /* descrambler types and info */ |
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| 46 | |
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| 47 | typedef struct ca_descr_info { |
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| 48 | unsigned int num; /* number of available descramblers (keys) */ |
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| 49 | unsigned int type; /* type of supported scrambling system */ |
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| 50 | #define CA_ECD 1 |
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| 51 | #define CA_NDS 2 |
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| 52 | #define CA_DSS 4 |
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| 53 | } ca_descr_info_t; |
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| 54 | |
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| 55 | typedef struct ca_caps { |
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| 56 | unsigned int slot_num; /* total number of CA card and module slots */ |
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| 57 | unsigned int slot_type; /* OR of all supported types */ |
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| 58 | unsigned int descr_num; /* total number of descrambler slots (keys) */ |
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| 59 | unsigned int descr_type; /* OR of all supported types */ |
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| 60 | } ca_caps_t; |
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| 61 | |
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| 62 | /* a message to/from a CI-CAM */ |
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| 63 | typedef struct ca_msg { |
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| 64 | unsigned int index; |
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| 65 | unsigned int type; |
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| 66 | unsigned int length; |
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| 67 | unsigned char msg[256]; |
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| 68 | } ca_msg_t; |
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| 69 | |
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| 70 | typedef struct ca_descr { |
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| 71 | unsigned int index; |
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| 72 | unsigned int parity; /* 0 == even, 1 == odd */ |
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| 73 | unsigned char cw[8]; |
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| 74 | } ca_descr_t; |
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| 75 | |
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| 76 | typedef struct ca_pid { |
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| 77 | unsigned int pid; |
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| 78 | int index; /* -1 == disable*/ |
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| 79 | } ca_pid_t; |
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| 80 | |
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| 81 | #define CA_RESET _IO('o', 128) |
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| 82 | #define CA_GET_CAP _IOR('o', 129, ca_caps_t) |
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| 83 | #define CA_GET_SLOT_INFO _IOR('o', 130, ca_slot_info_t) |
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| 84 | #define CA_GET_DESCR_INFO _IOR('o', 131, ca_descr_info_t) |
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| 85 | #define CA_GET_MSG _IOR('o', 132, ca_msg_t) |
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| 86 | #define CA_SEND_MSG _IOW('o', 133, ca_msg_t) |
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| 87 | #define CA_SET_DESCR _IOW('o', 134, ca_descr_t) |
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| 88 | #define CA_SET_PID _IOW('o', 135, ca_pid_t) |
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| 89 | |
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| 90 | #endif |
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