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155 lines
4.2 KiB
155 lines
4.2 KiB
/* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */ |
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/* |
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* ca.h |
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* |
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* Copyright (C) 2000 Ralph Metzler <[email protected]> |
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* & Marcus Metzler <[email protected]> |
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* for convergence integrated media GmbH |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Lesser Public License |
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* as published by the Free Software Foundation; either version 2.1 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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* |
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*/ |
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#ifndef _DVBCA_H_ |
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#define _DVBCA_H_ |
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/** |
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* struct ca_slot_info - CA slot interface types and info. |
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* |
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* @num: slot number. |
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* @type: slot type. |
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* @flags: flags applicable to the slot. |
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* |
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* This struct stores the CA slot information. |
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* |
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* @type can be: |
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* |
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* - %CA_CI - CI high level interface; |
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* - %CA_CI_LINK - CI link layer level interface; |
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* - %CA_CI_PHYS - CI physical layer level interface; |
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* - %CA_DESCR - built-in descrambler; |
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* - %CA_SC -simple smart card interface. |
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* |
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* @flags can be: |
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* |
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* - %CA_CI_MODULE_PRESENT - module (or card) inserted; |
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* - %CA_CI_MODULE_READY - module is ready for usage. |
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*/ |
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struct ca_slot_info { |
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int num; |
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int type; |
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#define CA_CI 1 |
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#define CA_CI_LINK 2 |
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#define CA_CI_PHYS 4 |
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#define CA_DESCR 8 |
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#define CA_SC 128 |
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unsigned int flags; |
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#define CA_CI_MODULE_PRESENT 1 |
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#define CA_CI_MODULE_READY 2 |
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}; |
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/** |
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* struct ca_descr_info - descrambler types and info. |
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* |
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* @num: number of available descramblers (keys). |
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* @type: type of supported scrambling system. |
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* |
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* Identifies the number of descramblers and their type. |
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* |
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* @type can be: |
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* |
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* - %CA_ECD - European Common Descrambler (ECD) hardware; |
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* - %CA_NDS - Videoguard (NDS) hardware; |
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* - %CA_DSS - Distributed Sample Scrambling (DSS) hardware. |
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*/ |
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struct ca_descr_info { |
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unsigned int num; |
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unsigned int type; |
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#define CA_ECD 1 |
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#define CA_NDS 2 |
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#define CA_DSS 4 |
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}; |
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/** |
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* struct ca_caps - CA slot interface capabilities. |
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* |
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* @slot_num: total number of CA card and module slots. |
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* @slot_type: bitmap with all supported types as defined at |
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* &struct ca_slot_info (e. g. %CA_CI, %CA_CI_LINK, etc). |
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* @descr_num: total number of descrambler slots (keys) |
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* @descr_type: bitmap with all supported types as defined at |
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* &struct ca_descr_info (e. g. %CA_ECD, %CA_NDS, etc). |
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*/ |
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struct ca_caps { |
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unsigned int slot_num; |
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unsigned int slot_type; |
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unsigned int descr_num; |
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unsigned int descr_type; |
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}; |
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/** |
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* struct ca_msg - a message to/from a CI-CAM |
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* |
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* @index: unused |
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* @type: unused |
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* @length: length of the message |
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* @msg: message |
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* |
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* This struct carries a message to be send/received from a CI CA module. |
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*/ |
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struct ca_msg { |
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unsigned int index; |
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unsigned int type; |
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unsigned int length; |
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unsigned char msg[256]; |
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}; |
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/** |
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* struct ca_descr - CA descrambler control words info |
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* |
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* @index: CA Descrambler slot |
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* @parity: control words parity, where 0 means even and 1 means odd |
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* @cw: CA Descrambler control words |
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*/ |
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struct ca_descr { |
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unsigned int index; |
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unsigned int parity; |
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unsigned char cw[8]; |
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}; |
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#define CA_RESET _IO('o', 128) |
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#define CA_GET_CAP _IOR('o', 129, struct ca_caps) |
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#define CA_GET_SLOT_INFO _IOR('o', 130, struct ca_slot_info) |
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#define CA_GET_DESCR_INFO _IOR('o', 131, struct ca_descr_info) |
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#define CA_GET_MSG _IOR('o', 132, struct ca_msg) |
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#define CA_SEND_MSG _IOW('o', 133, struct ca_msg) |
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#define CA_SET_DESCR _IOW('o', 134, struct ca_descr) |
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#if !defined(__KERNEL__) |
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/* This is needed for legacy userspace support */ |
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typedef struct ca_slot_info ca_slot_info_t; |
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typedef struct ca_descr_info ca_descr_info_t; |
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typedef struct ca_caps ca_caps_t; |
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typedef struct ca_msg ca_msg_t; |
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typedef struct ca_descr ca_descr_t; |
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#endif |
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#endif
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