viareg.h revision 1.1
1 /* $NetBSD: viareg.h,v 1.1 1996/03/29 02:27:42 briggs Exp $ */ 2 3 /*- 4 * Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo, 5 * Michael L. Finch, Bradley A. Grantham, and 6 * Lawrence A. Kesteloot 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the Alice Group. 20 * 4. The names of the Alice Group or any of its members may not be used 21 * to endorse or promote products derived from this software without 22 * specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 27 * IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT, 28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 * 35 */ 36 /* 37 38 Prototype VIA control definitions 39 40 06/04/92,22:33:57 BG Let's see what I can do. 41 42 */ 43 44 45 /* VIA1 data register A */ 46 #define DA1I_vSCCWrReq 0x80 47 #define DA1O_vPage2 0x40 48 #define DA1I_CPU_ID1 0x40 49 #define DA1O_vHeadSel 0x20 50 #define DA1O_vOverlay 0x10 51 #define DA1O_vSync 0x08 52 #define DA1O_RESERVED2 0x04 53 #define DA1O_RESERVED1 0x02 54 #define DA1O_RESERVED0 0x01 55 56 /* VIA1 data register B */ 57 #define DB1I_Par_Err 0x80 58 #define DB1O_vSndEnb 0x80 59 #define DB1O_Par_Enb 0x40 60 #define DB1O_vFDesk2 0x20 61 #define DB1O_vFDesk1 0x10 62 #define DB1I_vFDBInt 0x08 63 #define DB1O_rTCEnb 0x04 64 #define DB1O_rTCCLK 0x02 65 #define DB1O_rTCData 0x01 66 #define DB1I_rTCData 0x01 67 68 /* VIA2 data register A */ 69 #define DA2O_v2Ram1 0x80 70 #define DA2O_v2Ram0 0x40 71 #define DA2I_v2IRQE 0x20 72 #define DA2I_v2IRQD 0x10 73 #define DA2I_v2IRQC 0x08 74 #define DA2I_v2IRQB 0x04 75 #define DA2I_v2IRQA 0x02 76 #define DA2I_v2IRQ9 0x01 77 78 /* VIA2 data register B */ 79 #define DB2O_v2VBL 0x80 80 #define DB2O_Par_Test 0x80 81 #define DB2I_v2SNDEXT 0x40 82 #define DB2I_v2TM0A 0x20 83 #define DB2I_v2TM1A 0x10 84 #define DB2I_vFC3 0x08 85 #define DB2O_vFC3 0x08 86 #define DB2O_v2PowerOff 0x04 87 #define DB2O_v2BusLk 0x02 88 #define DB2O_vCDis 0x01 89 #define DB2O_CEnable 0x01 90 91 /* VIA1 interrupt bits */ 92 #define V1IF_IRQ 0x80 93 #define V1IF_T1 0x40 94 #define V1IF_T2 0x20 95 #define V1IF_ADBCLK 0x10 96 #define V1IF_ADBDATA 0x08 97 #define V1IF_ADBRDY 0x04 98 #define V1IF_VBLNK 0x02 99 #define V1IF_ONESEC 0x01 100 101 /* VIA2 interrupt bits */ 102 #define V2IF_IRQ 0x80 103 #define V2IF_T1 0x40 104 #define V2IF_T2 0x20 105 #define V2IF_ASC 0x10 106 #define V2IF_SCSIIRQ 0x08 107 #define V2IF_EXPIRQ 0x04 108 #define V2IF_SLOTINT 0x02 109 #define V2IF_SCSIDRQ 0x01 110 111 #define VIA1_INTS (V1IF_T1 | V1IF_ADBRDY) 112 #define VIA2_INTS (V2IF_T1 | V2IF_ASC | V2IF_SCSIIRQ | V2IF_SLOTINT | \ 113 V2IF_SCSIDRQ) 114 115 #define RBV_INTS (V2IF_T1 | V2IF_ASC | V2IF_SCSIIRQ | V2IF_SLOTINT | \ 116 V2IF_SCSIDRQ | V1IF_ADBRDY) 117 118 #define ACR_T1LATCH 0x40 119 120 extern volatile unsigned char *Via1Base; 121 extern volatile unsigned char *Via2Base; /* init in VIA_Initialize */ 122 #define VIA1_addr Via1Base /* at PA 0x50f00000 */ 123 #define VIA2OFF 1 /* VIA2 addr = VIA1_addr * 0x2000 */ 124 #define RBVOFF 0x13 /* RBV addr = VIA1_addr * 0x13000 */ 125 126 #define VIA1 0 127 extern int VIA2; 128 129 /* VIA interface registers */ 130 #define vBufA 0x1e00 /* register A */ 131 #define vBufB 0 /* register B */ 132 #define vDirA 0x0600 /* data direction register */ 133 #define vDirB 0x0400 /* data direction register */ 134 #define vT1C 0x0800 135 #define vT1CH 0x0a00 136 #define vT1L 0x0c00 137 #define vT1LH 0x0e00 138 #define vT2C 0x1000 139 #define vT2CH 0x1200 140 #define vSR 0x1400 /* shift register */ 141 #define vACR 0x1600 /* aux control register */ 142 #define vPCR 0x1800 /* peripheral control register */ 143 #define vIFR 0x1a00 /* interrupt flag register */ 144 #define vIER 0x1c00 /* interrupt enable register */ 145 146 /* RBV interface registers */ 147 #define rBufB 0 /* register B */ 148 #define rBufA 2 /* register A */ 149 #define rIFR 0x3 /* interrupt flag register (writes?) */ 150 #define rIER 0x13 /* interrupt enable register */ 151 #define rMonitor 0x10 /* Monitor type */ 152 #define rSlotInt 0x12 /* Slot interrupt */ 153 154 /* RBV monitor type flags and masks */ 155 #define RBVDepthMask 0x07 /* depth in bits */ 156 #define RBVMonitorMask 0x38 /* Type numbers */ 157 #define RBVOff 0x40 /* monitor turn off */ 158 #define RBVMonIDNone 0x38 /* What RBV actually has for no video */ 159 #define RBVMonIDOff 0x0 /* What rbv_vidstatus() returns for no video */ 160 #define RBVMonID15BWP 0x08 /* BW portrait */ 161 #define RBVMonIDRGB 0x10 /* color monitor */ 162 #define RBVMonIDRGB15 0x28 /* 15 inch RGB */ 163 #define RBVMonIDBW 0x30 /* No internal video */ 164 165 #define via_reg(v, r) (*(Via1Base+(v)*0x2000+(r))) 166 #define via2_reg(r) (*(Via2Base+(r))) 167 168 #define vDirA_ADBState 0x30 169 170 void VIA_initialize __P((void)); 171 int rbv_vidstatus __P((void)); 172 int add_nubus_intr __P((int addr, void (*func)(), void *client_data)); 173 void mac68k_register_scsi_irq __P((void (*irq_func)(void *), void *clnt)); 174 void mac68k_register_scsi_drq __P((void (*drq_func)(void *), void *clnt)); 175 void mac68k_register_via1_t1_irq __P((void (*irq_func)(void *))); 176 177 extern void (*via1itab[7])(); 178 extern void (*via2itab[7])(); 179
Indexes created Mon Sep 29 03:10:08 GMT 2025