1 /** @file
2 
3   DISCLAIMER: the FDT_CLIENT_PROTOCOL introduced here is a work in progress,
4   and should not be used outside of the EDK II tree.
5 
6   Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>
7 
8   This program and the accompanying materials
9   are licensed and made available under the terms and conditions of the BSD License
10   which accompanies this distribution.  The full text of the license may be found at
11   http://opensource.org/licenses/bsd-license.php
12 
13   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
14   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
15 
16 **/
17 
18 #ifndef __FDT_CLIENT_H__
19 #define __FDT_CLIENT_H__
20 
21 #define FDT_CLIENT_PROTOCOL_GUID { \
22   0xE11FACA0, 0x4710, 0x4C8E, {0xA7, 0xA2, 0x01, 0xBA, 0xA2, 0x59, 0x1B, 0x4C} \
23   }
24 
25 //
26 // Protocol interface structure
27 //
28 typedef struct _FDT_CLIENT_PROTOCOL FDT_CLIENT_PROTOCOL;
29 
30 typedef
31 EFI_STATUS
32 (EFIAPI *FDT_CLIENT_GET_NODE_PROPERTY) (
33   IN  FDT_CLIENT_PROTOCOL     *This,
34   IN  INT32                   Node,
35   IN  CONST CHAR8             *PropertyName,
36   OUT CONST VOID              **Prop,
37   OUT UINT32                  *PropSize OPTIONAL
38   );
39 
40 typedef
41 EFI_STATUS
42 (EFIAPI *FDT_CLIENT_SET_NODE_PROPERTY) (
43   IN  FDT_CLIENT_PROTOCOL     *This,
44   IN  INT32                   Node,
45   IN  CONST CHAR8             *PropertyName,
46   IN  CONST VOID              *Prop,
47   IN  UINT32                  PropSize
48   );
49 
50 typedef
51 EFI_STATUS
52 (EFIAPI *FDT_CLIENT_FIND_COMPATIBLE_NODE) (
53   IN  FDT_CLIENT_PROTOCOL     *This,
54   IN  CONST CHAR8             *CompatibleString,
55   OUT INT32                   *Node
56   );
57 
58 typedef
59 EFI_STATUS
60 (EFIAPI *FDT_CLIENT_FIND_NEXT_COMPATIBLE_NODE) (
61   IN  FDT_CLIENT_PROTOCOL     *This,
62   IN  CONST CHAR8             *CompatibleString,
63   IN  INT32                   PrevNode,
64   OUT INT32                   *Node
65   );
66 
67 typedef
68 EFI_STATUS
69 (EFIAPI *FDT_CLIENT_FIND_COMPATIBLE_NODE_PROPERTY) (
70   IN  FDT_CLIENT_PROTOCOL     *This,
71   IN  CONST CHAR8             *CompatibleString,
72   IN  CONST CHAR8             *PropertyName,
73   OUT CONST VOID              **Prop,
74   OUT UINT32                  *PropSize OPTIONAL
75   );
76 
77 typedef
78 EFI_STATUS
79 (EFIAPI *FDT_CLIENT_FIND_COMPATIBLE_NODE_REG) (
80   IN  FDT_CLIENT_PROTOCOL     *This,
81   IN  CONST CHAR8             *CompatibleString,
82   OUT CONST VOID              **Reg,
83   OUT UINTN                   *AddressCells,
84   OUT UINTN                   *SizeCells,
85   OUT UINT32                  *RegSize
86   );
87 
88 typedef
89 EFI_STATUS
90 (EFIAPI *FDT_CLIENT_FIND_NEXT_MEMORY_NODE_REG) (
91   IN  FDT_CLIENT_PROTOCOL     *This,
92   IN  INT32                   PrevNode,
93   OUT INT32                   *Node,
94   OUT CONST VOID              **Reg,
95   OUT UINTN                   *AddressCells,
96   OUT UINTN                   *SizeCells,
97   OUT UINT32                  *RegSize
98   );
99 
100 typedef
101 EFI_STATUS
102 (EFIAPI *FDT_CLIENT_FIND_MEMORY_NODE_REG) (
103   IN  FDT_CLIENT_PROTOCOL     *This,
104   OUT INT32                   *Node,
105   OUT CONST VOID              **Reg,
106   OUT UINTN                   *AddressCells,
107   OUT UINTN                   *SizeCells,
108   OUT UINT32                  *RegSize
109   );
110 
111 typedef
112 EFI_STATUS
113 (EFIAPI *FDT_CLIENT_GET_OR_INSERT_CHOSEN_NODE) (
114   IN  FDT_CLIENT_PROTOCOL     *This,
115   OUT INT32                   *Node
116   );
117 
118 struct _FDT_CLIENT_PROTOCOL {
119   FDT_CLIENT_GET_NODE_PROPERTY             GetNodeProperty;
120   FDT_CLIENT_SET_NODE_PROPERTY             SetNodeProperty;
121 
122   FDT_CLIENT_FIND_COMPATIBLE_NODE          FindCompatibleNode;
123   FDT_CLIENT_FIND_NEXT_COMPATIBLE_NODE     FindNextCompatibleNode;
124   FDT_CLIENT_FIND_COMPATIBLE_NODE_PROPERTY FindCompatibleNodeProperty;
125   FDT_CLIENT_FIND_COMPATIBLE_NODE_REG      FindCompatibleNodeReg;
126 
127   FDT_CLIENT_FIND_MEMORY_NODE_REG          FindMemoryNodeReg;
128   FDT_CLIENT_FIND_NEXT_MEMORY_NODE_REG     FindNextMemoryNodeReg;
129 
130   FDT_CLIENT_GET_OR_INSERT_CHOSEN_NODE     GetOrInsertChosenNode;
131 };
132 
133 extern EFI_GUID gFdtClientProtocolGuid;
134 
135 #endif
136