1 /* @(#)vsreg.h 1.1 (MIT) 08/30/85 */ 2 /**************************************************************************** 3 * * 4 * Copyright (c) 1983, 1984 by * 5 * DIGITAL EQUIPMENT CORPORATION, Maynard, Massachusetts. * 6 * All rights reserved. * 7 * * 8 * This software is furnished on an as-is basis and may be used and copied * 9 * only with inclusion of the above copyright notice. This software or any * 10 * other copies thereof may be provided or otherwise made available to * 11 * others only for non-commercial purposes. No title to or ownership of * 12 * the software is hereby transferred. * 13 * * 14 * The information in this software is subject to change without notice * 15 * and should not be construed as a commitment by DIGITAL EQUIPMENT * 16 * CORPORATION. * 17 * * 18 * DIGITAL assumes no responsibility for the use or reliability of its * 19 * software on equipment which is not supplied by DIGITAL. * 20 * * 21 * * 22 ****************************************************************************/ 23 24 /* 25 * vsreg.h - VS100 Registers and Bits 26 * 27 * Author: Christopher A. Kent 28 * Digital Equipment Corporation 29 * Western Research Lab 30 * Date: Tue Jun 14 1983 31 */ 32 33 struct vsdevice{ 34 u_short vs_csr0; /* Control and Status */ 35 u_short vs_csr1; /* Interrupt Reason */ 36 u_short vs_csr2; /* Keyboard Receive */ 37 u_short vs_csr3; /* Function Parameter Low */ 38 u_short vs_csr4; /* Function Parameter High */ 39 u_short vs_csr5; /* Cursor Position X */ 40 u_short vs_csr6; /* Cursor Position Y */ 41 u_short vs_csr7; /* Interrupt Vector */ 42 u_short vs_csr8; /* Spare 1 */ 43 u_short vs_csr9; /* Spare 2 */ 44 u_short vs_csra; /* Spare 3 */ 45 u_short vs_csrb; /* Spare 4 */ 46 u_short vs_csrc; /* Spare 5 */ 47 u_short vs_csrd; /* Spare 6 */ 48 u_short vs_csre; /* Spare 7 */ 49 u_short vs_csrf; /* Interrupt Vector (2Bs) */ 50 }; 51 52 /* 53 * CSR0 - Control and Status 54 */ 55 56 #define VS_LNK_TRNS 0100000 /* Link Transition */ 57 #define VS_LNK_AVL 0040000 /* Link Available */ 58 #define VS_LNK_ERR 0020000 /* Link Error */ 59 #define VS_XMIT_ON 0010000 /* Transmitter On */ 60 #define VS_MNT_MODE 0004000 /* Maintenance Mode */ 61 #define VS_CRC_DIS 0002000 /* CRC Disable */ 62 #define VS_MNT_DONE 0001000 /* Maintenance Done */ 63 #define VS_SPARE 0000400 /* Spare */ 64 #define VS_OWN 0000200 /* Owner */ 65 #define VS_IE 0000100 /* Interrupt Enable */ 66 #define VS_FCN 0000076 /* Function Code */ 67 #define VS_GO 0000001 /* GO! */ 68 69 struct vs_csr{ 70 union{ 71 u_short _register; 72 struct{ 73 unsigned _go : 1; 74 unsigned _function : 5; 75 unsigned _ie : 1; 76 unsigned _own : 1; 77 unsigned _spare : 1; 78 unsigned _mainDone : 1; 79 unsigned _CRCdisable : 1; 80 unsigned _mainMode : 1; 81 unsigned _xmitOn : 1; 82 unsigned _linkErr : 1; 83 unsigned _linkAvail : 1; 84 unsigned _linkTran : 1; 85 }_bits; 86 }_X; 87 }; 88 89 #define csr_reg _X._register 90 #define csr_go _X._bits._go 91 #define csr_ie _X._bits._ie 92 #define csr_own _X._bits._own 93 #define csr_mainDone _X._bits._mainDone 94 #define csr_CRCdisable _X._bits._CRCdisable 95 #define csr_mainMode _X._bits._mainMode 96 #define csr_xmitOn _X._bits._xmitOn 97 #define csr_linkErr _X._bits._linkErr 98 #define csr_linkAvail _X._bits._linkAvail 99 #define csr_linkTran _X._bits._linkTran 100 101 /* Function Codes */ 102 103 #define VS_INIT 01 /* Initialize Display */ 104 #define VS_SEND 02 /* Send Packet */ 105 #define VS_START 03 /* Start Microcode */ 106 #define VS_ABORT 04 /* Abort Command Chain */ 107 #define VS_PWRUP 05 /* Power Up Reset */ 108 /**/ 109 #define VS_ENABBA 020 /* Enable BBA */ 110 #define VS_DISBBA 021 /* Disable BBA */ 111 #define VS_INFINITE 022 /* Inifinite Retries */ 112 #define VS_FINITE 023 /* Finite Retries */ 113 114 /* amount to shift to get function code into right place */ 115 116 #define VS_FCSHIFT 01 117 118 /* 119 * CSR1 - Interrupt Reason 120 */ 121 122 #define vs_irr vs_csr1 123 124 #define VS_ERROR 0100000 /* Any error */ 125 #define VS_REASON 0077777 /* Reason Mask */ 126 #define VSIRR_BITS \ 127 "\20\20ERROR\10PWRUP\6TABLET\5MOUSE\4BUTTON\3START\2DONE\1INIT" 128 129 #define VS_INT_US 0 130 #define VS_INT_ID 01 131 #define VS_INT_CD 02 132 #define VS_INT_SE 04 133 #define VS_INT_BE 010 134 #define VS_INT_MM 020 135 #define VS_INT_TM 040 136 #define VS_INT_PWR 0200 137 138 struct vs_intr{ 139 union{ 140 u_short _register; /* whole register */ 141 struct{ 142 unsigned _reason : 14; /* Reason bits */ 143 unsigned _diagnostic : 1; /* Diagnostic Error bit */ 144 unsigned _error : 1; /* Error bit */ 145 }_bits; 146 }_X; 147 }; 148 149 #define intr_reg _X._register 150 #define intr_reason _X._bits._reason 151 #define intr_diagnostic _X._bits._diagnostic /* not in rev 2b */ 152 #define intr_error _X._bits._error 153 154 /* 155 * CSR2 - Keyboard Receive 156 */ 157 158 #define vs_krr vs_csr2 159 160 #define VS_KBDEV 0007000 /* Device mask */ 161 #define VS_KBT 0000400 /* Transition direction */ 162 #define VS_KBKEY 0000377 /* Key mask */ 163 164 struct vs_kbd{ 165 union{ 166 u_short _register; /* whole register */ 167 struct{ 168 unsigned _key : 8; /* Key number */ 169 unsigned _transition : 1; /* Transition direction */ 170 unsigned _device : 3; /* Device */ 171 unsigned _x : 4; /* Unused */ 172 }_bits; 173 }_X; 174 }; 175 176 #define kbd_reg _X._register 177 #define kbd_key _X._bits._key 178 #define kbd_transition _X._bits._transition 179 #define kbd_device _X._bits._device 180 181 #define VS_KBTUP 0 /* up */ 182 #define VS_KBTDOWN 1 /* down */ 183 184 /* 185 * CSR3/4 Function Parameter Address 186 */ 187 188 #define vs_pr1 vs_csr3 189 #define vs_pr2 vs_csr4 190 191 struct vs_fparm{ 192 union{ 193 struct{ 194 u_short _plow; /* low 16 bits of address */ 195 u_short _phigh; /* high 16 bits of address */ 196 }_parts; 197 caddr_t _pall; 198 }_X; 199 }; 200 #define fparm_low _X._parts._plow 201 #define fparm_high _X._parts._phigh 202 #define fparm_all _X._pall 203 204 /* 205 * CSR5/6 - Cursor position 206 */ 207 208 #define vs_cxr vs_csr5 209 #define vs_cyr vs_csr6 210 211 212 /* 213 * CSR 7 - Interrupt vector in fiber cable machines 214 */ 215 216 #define vs_ivr vs_csr7 217 218 /* 219 * CSR 8 through 14 Spare 220 */ 221 222 #define vs_spr2 vs_csr8 223 #define vs_spr3 vs_csr9 224 #define vs_spr4 vs_csra 225 #define vs_spr5 vs_csrb 226 #define vs_spr6 vs_csrc 227 #define vs_spr7 vs_csrd 228 #define vs_spr8 vs_csre 229 230 /* 231 * CSR 15 - Interrupt vector in rev 2B 232 */ 233 234 #define vs_ivr2 vs_csrf 235