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

Revision 1154, 4.7 kB (checked in by ppalmers, 13 years ago)

add expat based parsing of the device cache. add compile-time selection between libxml++ and expat. will allow to get rid of the libxml++ dependency on the long run. scons SERIALIZE_USE_EXPAT=0Only compile testedscons SERIALIZE_USE_EXPAT=0

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1 /*
2  * Copyright (C) 2005-2008 by Daniel Wagner
3  * Copyright (C) 2005-2008 by Jonathan Woithe
4  * Copyright (C) 2005-2008 by Pieter Palmers
5  *
6  * This file is part of FFADO
7  * FFADO = Free Firewire (pro-)audio drivers for linux
8  *
9  * FFADO is based upon FreeBoB
10  *
11  * This program is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation, either version 2 of the License, or
14  * (at your option) version 3 of the License.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
23  *
24  */
25
26 #ifndef CONFIGROM_H
27 #define CONFIGROM_H
28
29 #include "fbtypes.h"
30 #include "csr1212.h"
31
32 #include "libutil/serialize.h"
33 #include "debugmodule/debugmodule.h"
34
35 #include "libcontrol/Element.h"
36
37 #include <string>
38
39 class Ieee1394Service;
40
41 class ConfigRom
42     : public Control::Element
43 {
44  public:
45     ConfigRom( Ieee1394Service& ieee1394service, fb_nodeid_t nodeId );
46     virtual ~ConfigRom() {};
47
48     Ieee1394Service& get1394Service();
49
50     bool initialize();
51
52     bool operator == ( const ConfigRom& rhs );
53
54     const fb_nodeid_t getNodeId() const;
55     const fb_octlet_t getGuid() const;
56     const std::string getGuidString() const;
57     const std::string getModelName() const;
58     const std::string getVendorName() const;
59
60     const unsigned int getModelId() const;
61     // FIXME: isn't this the same as getNodeVendorId?
62     const unsigned int getVendorId() const;
63     const unsigned int getUnitSpecifierId() const;
64     const unsigned int getUnitVersion() const;
65
66     bool isIsoResourseManager() const
67     { return m_isIsoResourceManager; }
68     bool isCycleMasterCapable() const
69         { return m_isCycleMasterCapable; }
70     bool isSupportsIsoOperations() const
71         { return m_isSupportIsoOperations; }
72     bool isBusManagerCapable() const
73         { return m_isBusManagerCapable; }
74     fb_byte_t getCycleClockAccurancy() const
75         { return m_cycleClkAcc; }
76     fb_byte_t getMaxRec() const
77         { return m_maxRec; }
78     unsigned short getAsyMaxPayload() const;
79
80     fb_quadlet_t getNodeVendorId() const
81     { return m_nodeVendorId; }
82
83     bool updatedNodeId();
84     bool setNodeId( fb_nodeid_t nodeId );
85    
86     /**
87      * @brief Compares the GUID of two ConfigRom's
88      *
89      * This function compares the GUID of two ConfigRom objects and returns true
90      * if the GUID of @ref a is larger than the GUID of @ref b . This is intended
91      * to be used with the STL sort() algorithm.
92      *
93      * Note that GUID's are converted to integers for this.
94      *
95      * @param a pointer to first ConfigRom
96      * @param b pointer to second ConfigRom
97      *
98      * @returns true if the GUID of @ref a is larger than the GUID of @ref b .
99      */
100     static bool compareGUID(  const ConfigRom& a, const ConfigRom& b );
101
102     bool serialize( std::string path, Util::IOSerialize& ser );
103     static ConfigRom* deserialize( std::string path,
104                    Util::IODeserialize& deser,
105                    Ieee1394Service& ieee1394Service );
106
107     void printConfigRomDebug() const;
108     void printConfigRom() const;
109     void setVerboseLevel(int level) {
110         setDebugLevel(level);
111         Element::setVerboseLevel(level);
112     }
113
114  protected:
115     void processUnitDirectory( struct csr1212_csr*    csr,
116                                struct csr1212_keyval* ud_kv,
117                                unsigned int*          id );
118
119     void processRootDirectory( struct csr1212_csr* csr );
120
121     Ieee1394Service& m_1394Service;
122     fb_nodeid_t      m_nodeId;
123     bool             m_avcDevice;
124     fb_octlet_t      m_guid;
125     std::string    m_vendorName;
126     std::string    m_modelName;
127     unsigned int     m_vendorId;
128     unsigned int     m_modelId;
129     unsigned int     m_unit_specifier_id;
130     unsigned int     m_unit_version;
131     bool             m_isIsoResourceManager;
132     bool             m_isCycleMasterCapable;
133     bool             m_isSupportIsoOperations;
134     bool             m_isBusManagerCapable;
135     fb_byte_t        m_cycleClkAcc;
136     fb_byte_t        m_maxRec;
137     fb_quadlet_t     m_nodeVendorId;
138     fb_byte_t        m_chipIdHi;
139     fb_quadlet_t     m_chipIdLow;
140
141     /* only used during parsing */
142     struct csr1212_keyval* m_vendorNameKv;
143     struct csr1212_keyval* m_modelNameKv;
144     struct csr1212_csr*    m_csr;
145
146 private:
147     ConfigRom( const ConfigRom& ); // do not allow copy ctor
148     ConfigRom();                   // ctor for deserialition
149
150     DECLARE_DEBUG_MODULE;
151 };
152
153 #endif /* CONFIGROM_H */
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