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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 */