1 /* $NetBSD: viareg.h,v 1.12 1999/06/28 01:56:57 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_AuxIntEnb 0x40 /* 0 = enabled, 1 = disabled */ 61 #define DB1O_vFDesk2 0x20 62 #define DB1O_vFDesk1 0x10 63 #define DB1I_vFDBInt 0x08 64 #define DB1O_rTCEnb 0x04 65 #define DB1O_rTCCLK 0x02 66 #define DB1O_rTCData 0x01 67 #define DB1I_rTCData 0x01 68 69 /* VIA2 data register A */ 70 #define DA2O_v2Ram1 0x80 71 #define DA2O_v2Ram0 0x40 72 #define DA2I_v2IRQ0 0x40 73 #define DA2I_v2IRQE 0x20 74 #define DA2I_v2IRQD 0x10 75 #define DA2I_v2IRQC 0x08 76 #define DA2I_v2IRQB 0x04 77 #define DA2I_v2IRQA 0x02 78 #define DA2I_v2IRQ9 0x01 79 80 /* VIA2 data register B */ 81 #define DB2O_v2VBL 0x80 82 #define DB2O_Par_Test 0x80 83 #define DB2I_v2SNDEXT 0x40 84 #define DB2I_v2TM0A 0x20 85 #define DB2I_v2TM1A 0x10 86 #define DB2I_vFC3 0x08 87 #define DB2O_vFC3 0x08 88 #define DB2O_v2PowerOff 0x04 89 #define DB2O_v2BusLk 0x02 90 #define DB2O_vCDis 0x01 91 #define DB2O_CEnable 0x01 92 93 /* 94 * VIA1 interrupts 95 */ 96 #define VIA1_T1 6 97 #define VIA1_T2 5 98 #define VIA1_ADBCLK 4 99 #define VIA1_ADBDATA 3 100 #define VIA1_ADBRDY 2 101 #define VIA1_VBLNK 1 102 #define VIA1_ONESEC 0 103 104 /* VIA1 interrupt bits */ 105 #define V1IF_IRQ 0x80 106 #define V1IF_T1 (1 << VIA1_T1) 107 #define V1IF_T2 (1 << VIA1_T2) 108 #define V1IF_ADBCLK (1 << VIA1_ADBCLK) 109 #define V1IF_ADBDATA (1 << VIA1_ADBDATA) 110 #define V1IF_ADBRDY (1 << VIA1_ADBRDY) 111 #define V1IF_VBLNK (1 << VIA1_VBLNK) 112 #define V1IF_ONESEC (1 << VIA1_ONESEC) 113 114 /* 115 * VIA2 interrupts 116 */ 117 #define VIA2_T1 6 118 #define VIA2_T2 5 119 #define VIA2_ASC 4 120 #define VIA2_SCSIIRQ 3 121 #define VIA2_EXPIRQ 2 122 #define VIA2_SLOTINT 1 123 #define VIA2_SCSIDRQ 0 124 125 /* VIA2 interrupt bits */ 126 #define V2IF_IRQ 0x80 127 #define V2IF_T1 (1 << VIA2_T1) 128 #define V2IF_T2 (1 << VIA2_T2) 129 #define V2IF_ASC (1 << VIA2_ASC) 130 #define V2IF_SCSIIRQ (1 << VIA2_SCSIIRQ) 131 #define V2IF_EXPIRQ (1 << VIA2_EXPIRQ) 132 #define V2IF_SLOTINT (1 << VIA2_SLOTINT) 133 #define V2IF_SCSIDRQ (1 << VIA2_SCSIDRQ) 134 135 #define VIA1_INTS (V1IF_T1 | V1IF_ADBRDY) 136 #define VIA2_INTS (V2IF_T1 | V2IF_ASC | V2IF_SCSIIRQ | V2IF_SLOTINT | \ 137 V2IF_SCSIDRQ) 138 139 #define RBV_INTS (V2IF_T1 | V2IF_ASC | V2IF_SCSIIRQ | V2IF_SLOTINT | \ 140 V2IF_SCSIDRQ | V1IF_ADBRDY) 141 142 #define ACR_T1LATCH 0x40 143 144 extern volatile unsigned char *Via1Base; 145 extern volatile unsigned char *Via2Base; /* init in VIA_Initialize */ 146 #define VIA1_addr Via1Base /* at PA 0x50f00000 */ 147 148 #define VIA2OFF 1 /* VIA2 addr = VIA1_addr + 0x2000 */ 149 #define RBVOFF 0x13 /* RBV addr = VIA1_addr + 0x26000 */ 150 #define OSSOFF 0xd /* OSS addr = VIA1_addr + 0x1A000 */ 151 152 #define VIA1 0 153 extern int VIA2; 154 155 /* VIA interface registers */ 156 #define vBufA 0x1e00 /* register A */ 157 #define vBufB 0 /* register B */ 158 #define vDirA 0x0600 /* data direction register */ 159 #define vDirB 0x0400 /* data direction register */ 160 #define vT1C 0x0800 161 #define vT1CH 0x0a00 162 #define vT1L 0x0c00 163 #define vT1LH 0x0e00 164 #define vT2C 0x1000 165 #define vT2CH 0x1200 166 #define vSR 0x1400 /* shift register */ 167 #define vACR 0x1600 /* aux control register */ 168 #define vPCR 0x1800 /* peripheral control register */ 169 #define vIFR 0x1a00 /* interrupt flag register */ 170 #define vIER 0x1c00 /* interrupt enable register */ 171 172 /* RBV interface registers */ 173 #define rBufB 0 /* register B */ 174 #define rBufA 2 /* register A */ 175 #define rIFR 0x3 /* interrupt flag register (writes?) */ 176 #define rIER 0x13 /* interrupt enable register */ 177 #define rMonitor 0x10 /* Monitor type */ 178 #define rSlotInt 0x12 /* Slot interrupt */ 179 180 /* RBV monitor type flags and masks */ 181 #define RBVDepthMask 0x07 /* Depth in bits */ 182 #define RBVMonitorMask 0x38 /* Type numbers */ 183 #define RBVOff 0x40 /* Monitor turned off */ 184 #define RBVMonIDBWP 0x08 /* 15 inch BW portrait */ 185 #define RBVMonIDRGB12 0x10 /* 12 inch color */ 186 #define RBVMonIDRGB15 0x28 /* 15 inch RGB */ 187 #define RBVMonIDStd 0x30 /* 12 inch BW or 13 inch color */ 188 #define RBVMonIDNone 0x38 /* No monitor connected */ 189 190 /* OSS registers */ 191 #define OSS_IFR 0x202 192 #define OSS_PENDING_IRQ (*(volatile u_short *)(Via2Base + (OSS_IFR))) 193 194 #define OSS_oRCR 0x204 195 #define OSS_POWEROFF 0x80 196 197 #define via_reg(v, r) (*(Via1Base+(v)*0x2000+(r))) 198 #define via2_reg(r) (*(Via2Base+(r))) 199 200 #define vDirA_ADBState 0x30 201 202 void via_init __P((void)); 203 void via_powerdown __P((void)); 204 void via_set_modem __P((int)); 205 int add_nubus_intr __P((int, void (*) __P((void *)), void *)); 206 void enable_nubus_intr __P((void)); 207 void via1_register_irq __P((int, void (*)(void *), void *)); 208 void via2_register_irq __P((int, void (*)(void *), void *)); 209 210 extern void (*via1itab[7]) __P((void *)); 211 extern void (*via2itab[7]) __P((void *)); 212