root/trunk/libffado/src/libieee1394/ARMHandler.h

Revision 864, 2.6 kB (checked in by ppalmers, 13 years ago)

update license to GPLv2 or GPLv3 instead of GPLv2 or any later version. Update copyrights to reflect the new year

Line 
1 /*
2  * Copyright (C) 2005-2008 by Pieter Palmers
3  * Copyright (C) 2005-2008 by Daniel Wagner
4  *
5  * This file is part of FFADO
6  * FFADO = Free Firewire (pro-)audio drivers for linux
7  *
8  * FFADO is based upon FreeBoB
9  *
10  * This program is free software: you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation, either version 2 of the License, or
13  * (at your option) version 3 of the License.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
22  *
23  */
24
25 #ifndef __FFADO_ARMHANDLER__
26 #define __FFADO_ARMHANDLER__
27
28 #include "../debugmodule/debugmodule.h"
29
30 #include <libraw1394/raw1394.h>
31
32 #include "ieee1394service.h"
33
34 /**
35  * @brief Class to handle AddressRangeMappings
36  *
37  * This class is intended to help with implementing
38  * address range mapping, i.e. implementing handlers
39  * that react to reads/writes of certain addresses
40  * in 1394 memory space
41  *
42  * see the _arm_ functions in raw1394.h for more insight
43  *
44  */
45
46 class ARMHandler {
47 friend class Ieee1394Service;
48
49 public:
50
51     ARMHandler(nodeaddr_t start, size_t length,
52                unsigned int access_rights,
53                unsigned int notification_options,
54                unsigned int client_transactions
55               );
56
57     virtual ~ARMHandler();
58
59     bool handleRead(struct raw1394_arm_request  *);
60     bool handleWrite(struct raw1394_arm_request  *);
61     bool handleLock(struct raw1394_arm_request  *);
62
63     struct raw1394_arm_response *getResponse() {return &m_response;};
64
65     nodeaddr_t getStart() {return m_start;};
66     nodeaddr_t getLength() {return m_length;};
67     unsigned int getAccessRights() {return m_access_rights;};
68     unsigned int getNotificationOptions() {return m_notification_options;};
69     unsigned int getClientTransactions() {return m_client_transactions;};
70
71     byte_t *getBuffer() {return m_buffer;};
72
73 private:
74     nodeaddr_t m_start;
75     size_t m_length;
76     unsigned int m_access_rights;
77     unsigned int m_notification_options;
78     unsigned int m_client_transactions;
79
80     byte_t *m_buffer;
81
82     struct raw1394_arm_response m_response;
83
84     void printBufferBytes( unsigned int level, size_t length, byte_t* buffer ) const;
85     void printRequest(struct raw1394_arm_request *arm_req);
86
87 protected:
88
89
90     DECLARE_DEBUG_MODULE;
91
92 };
93
94 #endif /* __FFADO_ARMHANDLER__ */
95
96
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