cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / dvb / ca.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/dvb/ca.h b/i686-linux-gnu-4.7/usr/include/linux/dvb/ca.h
new file mode 100644 (file)
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+++ b/i686-linux-gnu-4.7/usr/include/linux/dvb/ca.h
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+/* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
+/*
+ * ca.h
+ *
+ * Copyright (C) 2000 Ralph  Metzler <ralph@convergence.de>
+ *                  & Marcus Metzler <marcus@convergence.de>
+ *                    for convergence integrated media GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Lesser Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ */
+
+#ifndef _DVBCA_H_
+#define _DVBCA_H_
+
+/**
+ * struct ca_slot_info - CA slot interface types and info.
+ *
+ * @num:       slot number.
+ * @type:      slot type.
+ * @flags:     flags applicable to the slot.
+ *
+ * This struct stores the CA slot information.
+ *
+ * @type can be:
+ *
+ *     - %CA_CI - CI high level interface;
+ *     - %CA_CI_LINK - CI link layer level interface;
+ *     - %CA_CI_PHYS - CI physical layer level interface;
+ *     - %CA_DESCR - built-in descrambler;
+ *     - %CA_SC -simple smart card interface.
+ *
+ * @flags can be:
+ *
+ *     - %CA_CI_MODULE_PRESENT - module (or card) inserted;
+ *     - %CA_CI_MODULE_READY - module is ready for usage.
+ */
+
+struct ca_slot_info {
+       int num;
+       int type;
+#define CA_CI            1
+#define CA_CI_LINK       2
+#define CA_CI_PHYS       4
+#define CA_DESCR         8
+#define CA_SC          128
+
+       unsigned int flags;
+#define CA_CI_MODULE_PRESENT 1
+#define CA_CI_MODULE_READY   2
+};
+
+
+/**
+ * struct ca_descr_info - descrambler types and info.
+ *
+ * @num:       number of available descramblers (keys).
+ * @type:      type of supported scrambling system.
+ *
+ * Identifies the number of descramblers and their type.
+ *
+ * @type can be:
+ *
+ *     - %CA_ECD - European Common Descrambler (ECD) hardware;
+ *     - %CA_NDS - Videoguard (NDS) hardware;
+ *     - %CA_DSS - Distributed Sample Scrambling (DSS) hardware.
+ */
+struct ca_descr_info {
+       unsigned int num;
+       unsigned int type;
+#define CA_ECD           1
+#define CA_NDS           2
+#define CA_DSS           4
+};
+
+/**
+ * struct ca_caps - CA slot interface capabilities.
+ *
+ * @slot_num:  total number of CA card and module slots.
+ * @slot_type: bitmap with all supported types as defined at
+ *             &struct ca_slot_info (e. g. %CA_CI, %CA_CI_LINK, etc).
+ * @descr_num: total number of descrambler slots (keys)
+ * @descr_type:        bitmap with all supported types as defined at
+ *             &struct ca_descr_info (e. g. %CA_ECD, %CA_NDS, etc).
+ */
+struct ca_caps {
+       unsigned int slot_num;
+       unsigned int slot_type;
+       unsigned int descr_num;
+       unsigned int descr_type;
+};
+
+/**
+ * struct ca_msg - a message to/from a CI-CAM
+ *
+ * @index:     unused
+ * @type:      unused
+ * @length:    length of the message
+ * @msg:       message
+ *
+ * This struct carries a message to be send/received from a CI CA module.
+ */
+struct ca_msg {
+       unsigned int index;
+       unsigned int type;
+       unsigned int length;
+       unsigned char msg[256];
+};
+
+/**
+ * struct ca_descr - CA descrambler control words info
+ *
+ * @index: CA Descrambler slot
+ * @parity: control words parity, where 0 means even and 1 means odd
+ * @cw: CA Descrambler control words
+ */
+struct ca_descr {
+       unsigned int index;
+       unsigned int parity;
+       unsigned char cw[8];
+};
+
+#define CA_RESET          _IO('o', 128)
+#define CA_GET_CAP        _IOR('o', 129, struct ca_caps)
+#define CA_GET_SLOT_INFO  _IOR('o', 130, struct ca_slot_info)
+#define CA_GET_DESCR_INFO _IOR('o', 131, struct ca_descr_info)
+#define CA_GET_MSG        _IOR('o', 132, struct ca_msg)
+#define CA_SEND_MSG       _IOW('o', 133, struct ca_msg)
+#define CA_SET_DESCR      _IOW('o', 134, struct ca_descr)
+
+
+/* This is needed for legacy userspace support */
+typedef struct ca_slot_info ca_slot_info_t;
+typedef struct ca_descr_info  ca_descr_info_t;
+typedef struct ca_caps  ca_caps_t;
+typedef struct ca_msg ca_msg_t;
+typedef struct ca_descr ca_descr_t;
+
+
+
+#endif