Annotation of sys/dev/pci/pcscpreg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: pcscpreg.h,v 1.2 2001/02/14 05:11:21 fgsch Exp $ */
! 2: /* $NetBSD$ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Izumi Tsutsui.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: /*
! 41: * Am53c974 DMA engine registers
! 42: */
! 43:
! 44: #define DMA_CMD 0x40 /* Command */
! 45: #define DMACMD_RSVD 0xFFFFFF28 /* reserved */
! 46: #define DMACMD_DIR 0x00000080 /* Transfer Direction (read:1) */
! 47: #define DMACMD_INTE 0x00000040 /* DMA Interrupt Enable */
! 48: #define DMACMD_MDL 0x00000010 /* Map to Memory Description List */
! 49: #define DMACMD_DIAG 0x00000004 /* Diagnostic */
! 50: #define DMACMD_CMD 0x00000003 /* Command Code Bit */
! 51: #define DMACMD_IDLE 0x00000000 /* Idle */
! 52: #define DMACMD_BLAST 0x00000001 /* Blast */
! 53: #define DMACMD_ABORT 0x00000002 /* Abort */
! 54: #define DMACMD_START 0x00000003 /* Start */
! 55:
! 56: #define DMA_STC 0x44 /* Start Transfer Count */
! 57: #define DMA_SPA 0x48 /* Start Physical Address */
! 58: #define DMA_WBC 0x4C /* Working Byte Counter */
! 59: #define DMA_WAC 0x50 /* Working Address Counter */
! 60:
! 61: #define DMA_STAT 0x54 /* Status Register */
! 62: #define DMASTAT_RSVD 0xFFFFFF80 /* reserved */
! 63: #define DMASTAT_PABT 0x00000040 /* PCI master/target Abort */
! 64: #define DMASTAT_BCMP 0x00000020 /* BLAST Complete */
! 65: #define DMASTAT_SINT 0x00000010 /* SCSI Interrupt */
! 66: #define DMASTAT_DONE 0x00000008 /* DMA Transfer Terminated */
! 67: #define DMASTAT_ABT 0x00000004 /* DMA Transfer Aborted */
! 68: #define DMASTAT_ERR 0x00000002 /* DMA Transfer Error */
! 69: #define DMASTAT_PWDN 0x00000001 /* Power Down Indicator */
! 70:
! 71: #define DMA_SMDLA 0x58 /* Starting Memory Descpritor List Address */
! 72: #define DMA_WMAC 0x5C /* Working MDL Counter */
! 73: #define DMA_SBAC 0x70 /* SCSI Bus and Control */
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