Annotation of sys/arch/mac68k/include/viareg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: viareg.h,v 1.18 2006/01/13 21:02:01 miod Exp $ */
! 2: /* $NetBSD: viareg.h,v 1.6 1997/02/28 07:41:41 scottr Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo,
! 6: * Michael L. Finch, Bradley A. Grantham, and
! 7: * Lawrence A. Kesteloot
! 8: * All rights reserved.
! 9: *
! 10: * Redistribution and use in source and binary forms, with or without
! 11: * modification, are permitted provided that the following conditions
! 12: * are met:
! 13: * 1. Redistributions of source code must retain the above copyright
! 14: * notice, this list of conditions and the following disclaimer.
! 15: * 2. Redistributions in binary form must reproduce the above copyright
! 16: * notice, this list of conditions and the following disclaimer in the
! 17: * documentation and/or other materials provided with the distribution.
! 18: * 3. All advertising materials mentioning features or use of this software
! 19: * must display the following acknowledgement:
! 20: * This product includes software developed by the Alice Group.
! 21: * 4. The names of the Alice Group or any of its members may not be used
! 22: * to endorse or promote products derived from this software without
! 23: * specific prior written permission.
! 24: *
! 25: * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR
! 26: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 27: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 28: * IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,
! 29: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 30: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 31: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 32: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 33: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
! 34: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 35: *
! 36: */
! 37:
! 38: /*
! 39: * Prototype VIA control definitions
! 40: */
! 41: #ifndef _MAC68K_VIAREG_H_
! 42: #define _MAC68K_VIAREG_H_
! 43:
! 44: /* VIA1 data register A */
! 45: #define DA1I_vSCCWrReq 0x80
! 46: #define DA1O_vPage2 0x40
! 47: #define DA1I_CPU_ID1 0x40
! 48: #define DA1O_vHeadSel 0x20
! 49: #define DA1O_vOverlay 0x10
! 50: #define DA1O_vSync 0x08
! 51: #define DA1O_RESERVED2 0x04
! 52: #define DA1O_RESERVED1 0x02
! 53: #define DA1O_RESERVED0 0x01
! 54:
! 55: /* VIA1 data register B */
! 56: #define DB1I_Par_Err 0x80
! 57: #define DB1O_vSndEnb 0x80
! 58: #define DB1O_Par_Enb 0x40
! 59: #define DB1O_AuxIntEnb 0x40 /* 0 = enabled, 1 = disabled */
! 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_v2IRQ0 0x40
! 72: #define DA2I_v2IRQE 0x20
! 73: #define DA2I_v2IRQD 0x10
! 74: #define DA2I_v2IRQC 0x08
! 75: #define DA2I_v2IRQB 0x04
! 76: #define DA2I_v2IRQA 0x02
! 77: #define DA2I_v2IRQ9 0x01
! 78:
! 79: /* VIA2 data register B */
! 80: #define DB2O_v2VBL 0x80
! 81: #define DB2O_Par_Test 0x80
! 82: #define DB2I_v2SNDEXT 0x40
! 83: #define DB2I_v2TM0A 0x20
! 84: #define DB2I_v2TM1A 0x10
! 85: #define DB2I_vFC3 0x08
! 86: #define DB2O_vFC3 0x08
! 87: #define DB2O_v2PowerOff 0x04
! 88: #define DB2O_v2BusLk 0x02
! 89: #define DB2O_vCDis 0x01
! 90: #define DB2O_CEnable 0x01
! 91:
! 92: /*
! 93: * VIA1 interrupts
! 94: */
! 95: #define VIA1_T1 6
! 96: #define VIA1_T2 5
! 97: #define VIA1_ADBCLK 4
! 98: #define VIA1_ADBDATA 3
! 99: #define VIA1_ADBRDY 2
! 100: #define VIA1_VBLNK 1
! 101: #define VIA1_ONESEC 0
! 102:
! 103: /* VIA1 interrupt bits */
! 104: #define V1IF_IRQ 0x80
! 105: #define V1IF_T1 (1 << VIA1_T1)
! 106: #define V1IF_T2 (1 << VIA1_T2)
! 107: #define V1IF_ADBCLK (1 << VIA1_ADBCLK)
! 108: #define V1IF_ADBDATA (1 << VIA1_ADBDATA)
! 109: #define V1IF_ADBRDY (1 << VIA1_ADBRDY)
! 110: #define V1IF_VBLNK (1 << VIA1_VBLNK)
! 111: #define V1IF_ONESEC (1 << VIA1_ONESEC)
! 112:
! 113: /*
! 114: * VIA2 interrupts
! 115: */
! 116: #define VIA2_T1 6
! 117: #define VIA2_T2 5
! 118: #define VIA2_ASC 4
! 119: #define VIA2_SCSIIRQ 3
! 120: #define VIA2_EXPIRQ 2
! 121: #define VIA2_SLOTINT 1
! 122: #define VIA2_SCSIDRQ 0
! 123:
! 124: /* VIA2 interrupt bits */
! 125: #define V2IF_IRQ 0x80
! 126: #define V2IF_T1 (1 << VIA2_T1)
! 127: #define V2IF_T2 (1 << VIA2_T2)
! 128: #define V2IF_ASC (1 << VIA2_ASC)
! 129: #define V2IF_SCSIIRQ (1 << VIA2_SCSIIRQ)
! 130: #define V2IF_EXPIRQ (1 << VIA2_EXPIRQ)
! 131: #define V2IF_SLOTINT (1 << VIA2_SLOTINT)
! 132: #define V2IF_SCSIDRQ (1 << VIA2_SCSIDRQ)
! 133:
! 134: #define VIA1_INTS (V1IF_T1 | V1IF_ADBRDY)
! 135: #define VIA2_INTS (V2IF_T1 | V2IF_ASC | V2IF_SCSIIRQ | V2IF_SLOTINT | \
! 136: V2IF_SCSIDRQ)
! 137:
! 138: #define RBV_INTS (V2IF_T1 | V2IF_ASC | V2IF_SCSIIRQ | V2IF_SLOTINT | \
! 139: V2IF_SCSIDRQ | V1IF_ADBRDY)
! 140:
! 141: #define ACR_T1LATCH 0x40
! 142:
! 143: extern volatile unsigned char *Via1Base;
! 144: extern volatile unsigned char *Via2Base; /* init in VIA_Initialize */
! 145: #define VIA1_addr Via1Base /* at PA 0x50f00000 */
! 146:
! 147: #define VIA2OFF 1 /* VIA2 addr = VIA1_addr + 0x2000 */
! 148: #define RBVOFF 0x13 /* RBV addr = VIA1_addr + 0x26000 */
! 149: #define OSSOFF 0xd /* OSS addr = VIA1_addr + 0x1A000 */
! 150:
! 151: #define VIA1 0
! 152: extern int VIA2;
! 153:
! 154: /* VIA interface registers */
! 155: #define vBufA 0x1e00 /* register A */
! 156: #define vBufB 0 /* register B */
! 157: #define vDirA 0x0600 /* data direction register */
! 158: #define vDirB 0x0400 /* data direction register */
! 159: #define vT1C 0x0800
! 160: #define vT1CH 0x0a00
! 161: #define vT1L 0x0c00
! 162: #define vT1LH 0x0e00
! 163: #define vT2C 0x1000
! 164: #define vT2CH 0x1200
! 165: #define vSR 0x1400 /* shift register */
! 166: #define vACR 0x1600 /* aux control register */
! 167: #define vPCR 0x1800 /* peripheral control register */
! 168: #define vIFR 0x1a00 /* interrupt flag register */
! 169: #define vIER 0x1c00 /* interrupt enable register */
! 170:
! 171: /* RBV interface registers */
! 172: #define rBufB 0 /* register B */
! 173: #define rBufA 2 /* register A */
! 174: #define rIFR 0x3 /* interrupt flag register (writes?) */
! 175: #define rIER 0x13 /* interrupt enable register */
! 176: #define rMonitor 0x10 /* Monitor type */
! 177: #define rSlotInt 0x12 /* Slot interrupt */
! 178:
! 179: /* RBV monitor type flags and masks */
! 180: #define RBVDepthMask 0x07 /* Depth in bits */
! 181: #define RBVMonitorMask 0x38 /* Type numbers */
! 182: #define RBVOff 0x40 /* Monitor turned off */
! 183: #define RBVMonIDBWP 0x08 /* 15 inch BW portrait */
! 184: #define RBVMonIDRGB12 0x10 /* 12 inch color */
! 185: #define RBVMonIDRGB15 0x28 /* 15 inch RGB */
! 186: #define RBVMonIDStd 0x30 /* 12 inch BW or 13 inch color */
! 187: #define RBVMonIDNone 0x38 /* No monitor connected */
! 188:
! 189: /* OSS registers */
! 190: #define OSS_IFR 0x202
! 191: #define OSS_PENDING_IRQ (*(volatile u_short *)(Via2Base + (OSS_IFR)))
! 192:
! 193: #define OSS_oRCR 0x204
! 194: #define OSS_POWEROFF 0x80
! 195:
! 196: #define via_reg(v, r) (*(Via1Base+(v)*0x2000+(r)))
! 197: #define via2_reg(r) (*(Via2Base+(r)))
! 198:
! 199: #define vDirA_ADBState 0x30
! 200:
! 201: #ifdef _KERNEL
! 202: /* VIA2 interrupts may be shared */
! 203: struct via2hand {
! 204: SLIST_ENTRY(via2hand) v2h_link;
! 205: struct intrhand v2h_ih;
! 206: #define vh_fn v2h_ih.ih_fn
! 207: #define vh_arg v2h_ih.ih_arg
! 208: #define vh_ipl v2h_ih.ih_ipl
! 209: #define vh_count v2h_ih.ih_count
! 210: };
! 211: typedef SLIST_HEAD(, via2hand) via2hand_t;
! 212:
! 213: void via_init(void);
! 214: void via_powerdown(void);
! 215: void via_set_modem(int);
! 216: void add_nubus_intr(int, int (*)(void *), void *, const char *);
! 217: void enable_nubus_intr(void);
! 218: void via1_register_irq(int, int (*)(void *), void *, const char *);
! 219: int via2_register_irq(struct via2hand *, const char *);
! 220: #endif /* _KERNEL */
! 221:
! 222: #endif /* _MAC68K_VIAREG_H_ */
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