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Diffstat (limited to 'drivers/char/rio/board.h')
-rw-r--r-- | drivers/char/rio/board.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/drivers/char/rio/board.h b/drivers/char/rio/board.h new file mode 100644 index 000000000000..0b397e1c8f1c --- /dev/null +++ b/drivers/char/rio/board.h | |||
@@ -0,0 +1,143 @@ | |||
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 : board.h | ||
24 | ** SID : 1.2 | ||
25 | ** Last Modified : 11/6/98 11:34:07 | ||
26 | ** Retrieved : 11/6/98 11:34:20 | ||
27 | ** | ||
28 | ** ident @(#)board.h 1.2 | ||
29 | ** | ||
30 | ** ----------------------------------------------------------------------------- | ||
31 | */ | ||
32 | |||
33 | #ifndef __rio_board_h__ | ||
34 | #define __rio_board_h__ | ||
35 | |||
36 | #ifdef SCCS_LABELS | ||
37 | static char *_board_h_sccs_ = "@(#)board.h 1.2"; | ||
38 | #endif | ||
39 | |||
40 | /* | ||
41 | ** board.h contains the definitions for the *hardware* of the host cards. | ||
42 | ** It describes the memory overlay for the dual port RAM area. | ||
43 | */ | ||
44 | |||
45 | #define DP_SRAM1_SIZE 0x7C00 | ||
46 | #define DP_SRAM2_SIZE 0x0200 | ||
47 | #define DP_SRAM3_SIZE 0x7000 | ||
48 | #define DP_SCRATCH_SIZE 0x1000 | ||
49 | #define DP_PARMMAP_ADDR 0x01FE /* offset into SRAM2 */ | ||
50 | #define DP_STARTUP_ADDR 0x01F8 /* offset into SRAM2 */ | ||
51 | |||
52 | /* | ||
53 | ** The shape of the Host Control area, at offset 0x7C00, Write Only | ||
54 | */ | ||
55 | struct s_Ctrl | ||
56 | { | ||
57 | BYTE DpCtl; /* 7C00 */ | ||
58 | BYTE Dp_Unused2_[127]; | ||
59 | BYTE DpIntSet; /* 7C80 */ | ||
60 | BYTE Dp_Unused3_[127]; | ||
61 | BYTE DpTpuReset; /* 7D00 */ | ||
62 | BYTE Dp_Unused4_[127]; | ||
63 | BYTE DpIntReset; /* 7D80 */ | ||
64 | BYTE Dp_Unused5_[127]; | ||
65 | }; | ||
66 | |||
67 | /* | ||
68 | ** The PROM data area on the host (0x7C00), Read Only | ||
69 | */ | ||
70 | struct s_Prom | ||
71 | { | ||
72 | WORD DpSlxCode[2]; | ||
73 | WORD DpRev; | ||
74 | WORD Dp_Unused6_; | ||
75 | WORD DpUniq[4]; | ||
76 | WORD DpJahre; | ||
77 | WORD DpWoche; | ||
78 | WORD DpHwFeature[5]; | ||
79 | WORD DpOemId; | ||
80 | WORD DpSiggy[16]; | ||
81 | }; | ||
82 | |||
83 | /* | ||
84 | ** Union of the Ctrl and Prom areas | ||
85 | */ | ||
86 | union u_CtrlProm /* This is the control/PROM area (0x7C00) */ | ||
87 | { | ||
88 | struct s_Ctrl DpCtrl; | ||
89 | struct s_Prom DpProm; | ||
90 | }; | ||
91 | |||
92 | /* | ||
93 | ** The top end of memory! | ||
94 | */ | ||
95 | struct s_ParmMapS /* Area containing Parm Map Pointer */ | ||
96 | { | ||
97 | BYTE Dp_Unused8_[DP_PARMMAP_ADDR]; | ||
98 | WORD DpParmMapAd; | ||
99 | }; | ||
100 | |||
101 | struct s_StartUpS | ||
102 | { | ||
103 | BYTE Dp_Unused9_[DP_STARTUP_ADDR]; | ||
104 | BYTE Dp_LongJump[0x4]; | ||
105 | BYTE Dp_Unused10_[2]; | ||
106 | BYTE Dp_ShortJump[0x2]; | ||
107 | }; | ||
108 | |||
109 | union u_Sram2ParmMap /* This is the top of memory (0x7E00-0x7FFF) */ | ||
110 | { | ||
111 | BYTE DpSramMem[DP_SRAM2_SIZE]; | ||
112 | struct s_ParmMapS DpParmMapS; | ||
113 | struct s_StartUpS DpStartUpS; | ||
114 | }; | ||
115 | |||
116 | /* | ||
117 | ** This is the DP RAM overlay. | ||
118 | */ | ||
119 | struct DpRam | ||
120 | { | ||
121 | BYTE DpSram1[DP_SRAM1_SIZE]; /* 0000 - 7BFF */ | ||
122 | union u_CtrlProm DpCtrlProm; /* 7C00 - 7DFF */ | ||
123 | union u_Sram2ParmMap DpSram2ParmMap; /* 7E00 - 7FFF */ | ||
124 | BYTE DpScratch[DP_SCRATCH_SIZE]; /* 8000 - 8FFF */ | ||
125 | BYTE DpSram3[DP_SRAM3_SIZE]; /* 9000 - FFFF */ | ||
126 | }; | ||
127 | |||
128 | #define DpControl DpCtrlProm.DpCtrl.DpCtl | ||
129 | #define DpSetInt DpCtrlProm.DpCtrl.DpIntSet | ||
130 | #define DpResetTpu DpCtrlProm.DpCtrl.DpTpuReset | ||
131 | #define DpResetInt DpCtrlProm.DpCtrl.DpIntReset | ||
132 | |||
133 | #define DpSlx DpCtrlProm.DpProm.DpSlxCode | ||
134 | #define DpRevision DpCtrlProm.DpProm.DpRev | ||
135 | #define DpUnique DpCtrlProm.DpProm.DpUniq | ||
136 | #define DpYear DpCtrlProm.DpProm.DpJahre | ||
137 | #define DpWeek DpCtrlProm.DpProm.DpWoche | ||
138 | #define DpSignature DpCtrlProm.DpProm.DpSiggy | ||
139 | |||
140 | #define DpParmMapR DpSram2ParmMap.DpParmMapS.DpParmMapAd | ||
141 | #define DpSram2 DpSram2ParmMap.DpSramMem | ||
142 | |||
143 | #endif | ||