Merge branch 'r8169-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/romieu...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / char / rio / cmdpkt.h
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1/*
2** -----------------------------------------------------------------------------
3**
4** Perle Specialix driver for Linux
5** Ported from existing RIO Driver for SCO sources.
6 *
7 * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22**
23** Module : cmdpkt.h
24** SID : 1.2
25** Last Modified : 11/6/98 11:34:09
26** Retrieved : 11/6/98 11:34:20
27**
28** ident @(#)cmdpkt.h 1.2
29**
30** -----------------------------------------------------------------------------
31*/
32#ifndef __rio_cmdpkt_h__
33#define __rio_cmdpkt_h__
34
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35/*
36** overlays for the data area of a packet. Used in both directions
37** (to build a packet to send, and to interpret a packet that arrives)
38** and is very inconvenient for MIPS, so they appear as two separate
39** structures - those used for modifying/reading packets on the card
40** and those for modifying/reading packets in real memory, which have an _M
41** suffix.
42*/
43
44#define RTA_BOOT_DATA_SIZE (PKT_MAX_DATA_LEN-2)
45
46/*
47** The boot information packet looks like this:
48** This structure overlays a PktCmd->CmdData structure, and so starts
49** at Data[2] in the actual pkt!
50*/
8d8706e2 51struct BootSequence {
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52 u16 NumPackets;
53 u16 LoadBase;
54 u16 CodeSize;
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55};
56
57#define BOOT_SEQUENCE_LEN 8
58
8d8706e2 59struct SamTop {
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60 u8 Unit;
61 u8 Link;
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62};
63
8d8706e2 64struct CmdHdr {
74769abf 65 u8 PcCommand;
8d8706e2 66 union {
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67 u8 PcPhbNum;
68 u8 PcLinkNum;
69 u8 PcIDNum;
8d8706e2 70 } U0;
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71};
72
73
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74struct PktCmd {
75 union {
76 struct {
77 struct CmdHdr CmdHdr;
78 struct BootSequence PcBootSequence;
79 } S1;
80 struct {
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81 u16 PcSequence;
82 u8 PcBootData[RTA_BOOT_DATA_SIZE];
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83 } S2;
84 struct {
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85 u16 __crud__;
86 u8 PcUniqNum[4]; /* this is really a uint. */
87 u8 PcModuleTypes; /* what modules are fitted */
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88 } S3;
89 struct {
90 struct CmdHdr CmdHdr;
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91 u8 __undefined__;
92 u8 PcModemStatus;
93 u8 PcPortStatus;
94 u8 PcSubCommand; /* commands like mem or register dump */
95 u16 PcSubAddr; /* Address for command */
96 u8 PcSubData[64]; /* Date area for command */
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97 } S4;
98 struct {
99 struct CmdHdr CmdHdr;
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100 u8 PcCommandText[1];
101 u8 __crud__[20];
102 u8 PcIDNum2; /* It had to go somewhere! */
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103 } S5;
104 struct {
105 struct CmdHdr CmdHdr;
106 struct SamTop Topology[LINKS_PER_UNIT];
107 } S6;
108 } U1;
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109};
110
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111struct PktCmd_M {
112 union {
113 struct {
114 struct {
27c6e526 115 u8 PcCommand;
8d8706e2 116 union {
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117 u8 PcPhbNum;
118 u8 PcLinkNum;
119 u8 PcIDNum;
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120 } U0;
121 } CmdHdr;
122 struct {
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123 u16 NumPackets;
124 u16 LoadBase;
125 u16 CodeSize;
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126 } PcBootSequence;
127 } S1;
128 struct {
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129 u16 PcSequence;
130 u8 PcBootData[RTA_BOOT_DATA_SIZE];
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131 } S2;
132 struct {
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133 u16 __crud__;
134 u8 PcUniqNum[4]; /* this is really a uint. */
135 u8 PcModuleTypes; /* what modules are fitted */
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136 } S3;
137 struct {
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138 u16 __cmd_hdr__;
139 u8 __undefined__;
140 u8 PcModemStatus;
141 u8 PcPortStatus;
142 u8 PcSubCommand;
143 u16 PcSubAddr;
144 u8 PcSubData[64];
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145 } S4;
146 struct {
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147 u16 __cmd_hdr__;
148 u8 PcCommandText[1];
149 u8 __crud__[20];
150 u8 PcIDNum2; /* Tacked on end */
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151 } S5;
152 struct {
27c6e526 153 u16 __cmd_hdr__;
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154 struct Top Topology[LINKS_PER_UNIT];
155 } S6;
156 } U1;
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157};
158
159#define Command U1.S1.CmdHdr.PcCommand
160#define PhbNum U1.S1.CmdHdr.U0.PcPhbNum
161#define IDNum U1.S1.CmdHdr.U0.PcIDNum
162#define IDNum2 U1.S5.PcIDNum2
163#define LinkNum U1.S1.CmdHdr.U0.PcLinkNum
164#define Sequence U1.S2.PcSequence
165#define BootData U1.S2.PcBootData
166#define BootSequence U1.S1.PcBootSequence
167#define UniqNum U1.S3.PcUniqNum
168#define ModemStatus U1.S4.PcModemStatus
169#define PortStatus U1.S4.PcPortStatus
170#define SubCommand U1.S4.PcSubCommand
171#define SubAddr U1.S4.PcSubAddr
172#define SubData U1.S4.PcSubData
173#define CommandText U1.S5.PcCommandText
174#define RouteTopology U1.S6.Topology
175#define ModuleTypes U1.S3.PcModuleTypes
176
177#endif