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Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

ca.h (3510B)

    

  1. /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
  2. /*
  3.  * ca.h
  4.  *
  5.  * Copyright (C) 2000 Ralph  Metzler <ralph@convergence.de>
  6.  *                  & Marcus Metzler <marcus@convergence.de>
  7.  *                    for convergence integrated media GmbH
  8.  */
  10. #ifndef _DVBCA_H_
  11. #define _DVBCA_H_
  13. /**
  14.  * struct ca_slot_info - CA slot interface types and info.
  15.  *
  16.  * @num:	slot number.
  17.  * @type:	slot type.
  18.  * @flags:	flags applicable to the slot.
  19.  *
  20.  * This struct stores the CA slot information.
  21.  *
  22.  * @type can be:
  23.  *
  24.  *	- %CA_CI - CI high level interface;
  25.  *	- %CA_CI_LINK - CI link layer level interface;
  26.  *	- %CA_CI_PHYS - CI physical layer level interface;
  27.  *	- %CA_DESCR - built-in descrambler;
  28.  *	- %CA_SC -simple smart card interface.
  29.  *
  30.  * @flags can be:
  31.  *
  32.  *	- %CA_CI_MODULE_PRESENT - module (or card) inserted;
  33.  *	- %CA_CI_MODULE_READY - module is ready for usage.
  34.  */
  36. struct ca_slot_info {
  37. 	int num;
  38. 	int type;
  39. #define CA_CI            1
  40. #define CA_CI_LINK       2
  41. #define CA_CI_PHYS       4
  42. #define CA_DESCR         8
  43. #define CA_SC          128
  45. 	unsigned int flags;
  46. #define CA_CI_MODULE_PRESENT 1
  47. #define CA_CI_MODULE_READY   2
  48. };
  51. /**
  52.  * struct ca_descr_info - descrambler types and info.
  53.  *
  54.  * @num:	number of available descramblers (keys).
  55.  * @type:	type of supported scrambling system.
  56.  *
  57.  * Identifies the number of descramblers and their type.
  58.  *
  59.  * @type can be:
  60.  *
  61.  *	- %CA_ECD - European Common Descrambler (ECD) hardware;
  62.  *	- %CA_NDS - Videoguard (NDS) hardware;
  63.  *	- %CA_DSS - Distributed Sample Scrambling (DSS) hardware.
  64.  */
  65. struct ca_descr_info {
  66. 	unsigned int num;
  67. 	unsigned int type;
  68. #define CA_ECD           1
  69. #define CA_NDS           2
  70. #define CA_DSS           4
  71. };
  73. /**
  74.  * struct ca_caps - CA slot interface capabilities.
  75.  *
  76.  * @slot_num:	total number of CA card and module slots.
  77.  * @slot_type:	bitmap with all supported types as defined at
  78.  *		&struct ca_slot_info (e. g. %CA_CI, %CA_CI_LINK, etc).
  79.  * @descr_num:	total number of descrambler slots (keys)
  80.  * @descr_type:	bitmap with all supported types as defined at
  81.  *		&struct ca_descr_info (e. g. %CA_ECD, %CA_NDS, etc).
  82.  */
  83. struct ca_caps {
  84. 	unsigned int slot_num;
  85. 	unsigned int slot_type;
  86. 	unsigned int descr_num;
  87. 	unsigned int descr_type;
  88. };
  90. /**
  91.  * struct ca_msg - a message to/from a CI-CAM
  92.  *
  93.  * @index:	unused
  94.  * @type:	unused
  95.  * @length:	length of the message
  96.  * @msg:	message
  97.  *
  98.  * This struct carries a message to be send/received from a CI CA module.
  99.  */
  100. struct ca_msg {
  101. 	unsigned int index;
  102. 	unsigned int type;
  103. 	unsigned int length;
  104. 	unsigned char msg[256];
  105. };
  107. /**
  108.  * struct ca_descr - CA descrambler control words info
  109.  *
  110.  * @index: CA Descrambler slot
  111.  * @parity: control words parity, where 0 means even and 1 means odd
  112.  * @cw: CA Descrambler control words
  113.  */
  114. struct ca_descr {
  115. 	unsigned int index;
  116. 	unsigned int parity;
  117. 	unsigned char cw[8];
  118. };
  120. #define CA_RESET          _IO('o', 128)
  121. #define CA_GET_CAP        _IOR('o', 129, struct ca_caps)
  122. #define CA_GET_SLOT_INFO  _IOR('o', 130, struct ca_slot_info)
  123. #define CA_GET_DESCR_INFO _IOR('o', 131, struct ca_descr_info)
  124. #define CA_GET_MSG        _IOR('o', 132, struct ca_msg)
  125. #define CA_SEND_MSG       _IOW('o', 133, struct ca_msg)
  126. #define CA_SET_DESCR      _IOW('o', 134, struct ca_descr)
  129. /* This is needed for legacy userspace support */
  130. typedef struct ca_slot_info ca_slot_info_t;
  131. typedef struct ca_descr_info  ca_descr_info_t;
  132. typedef struct ca_caps  ca_caps_t;
  133. typedef struct ca_msg ca_msg_t;
  134. typedef struct ca_descr ca_descr_t;
  138. #endif