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Annotation of sys/arch/vax/uba/uba_common.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: uba_common.h,v 1.4 2003/11/10 21:05:06 miod Exp $     */
        !             2: /*     $NetBSD: uba_common.h,v 1.2 1999/06/21 16:23:01 ragge Exp $ */
        !             3: /*-
        !             4:  * Copyright (c) 1982, 1986 The Regents of the University of California.
        !             5:  * All rights reserved.
        !             6:  * (c) UNIX System Laboratories, Inc.
        !             7:  * All or some portions of this file are derived from material licensed
        !             8:  * to the University of California by American Telephone and Telegraph
        !             9:  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
        !            10:  * the permission of UNIX System Laboratories, Inc.
        !            11:  *
        !            12:  * Redistribution and use in source and binary forms, with or without
        !            13:  * modification, are permitted provided that the following conditions
        !            14:  * are met:
        !            15:  * 1. Redistributions of source code must retain the above copyright
        !            16:  *    notice, this list of conditions and the following disclaimer.
        !            17:  * 2. Redistributions in binary form must reproduce the above copyright
        !            18:  *    notice, this list of conditions and the following disclaimer in the
        !            19:  *    documentation and/or other materials provided with the distribution.
        !            20:  * 3. Neither the name of the University nor the names of its contributors
        !            21:  *    may be used to endorse or promote products derived from this software
        !            22:  *    without specific prior written permission.
        !            23:  *
        !            24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            34:  * SUCH DAMAGE.
        !            35:  *
        !            36:  *     @(#)ubareg.h    7.8 (Berkeley) 5/9/91
        !            37:  */
        !            38:
        !            39: /*
        !            40:  * VAX-specific parts of the Unibus softc.
        !            41:  */
        !            42: struct uba_regs;
        !            43:
        !            44: struct uba_vsoftc {
        !            45:        struct  uba_softc uv_sc;/* Common vars from arch/vax/qbus/ubavar.h */
        !            46:        struct  vax_bus_dma_tag uv_dmat;
        !            47:        struct  vax_sgmap uv_sgmap;
        !            48:        int     uv_size;        /* Size of UBA addressable memory */
        !            49:        paddr_t uv_addr;        /* Physical address of map registers */
        !            50:        struct  uba_regs *uv_uba;/* Where applicable */
        !            51:        int     uh_ibase;
        !            52:        int     uh_zvtime;
        !            53:        int     uh_zvtotal;
        !            54:        int     uh_zvcnt;
        !            55: };
        !            56:
        !            57: /*
        !            58:  * Size of unibus memory address space in pages
        !            59:  * (also number of map registers).
        !            60:  */
        !            61: #define UBAPAGES       496
        !            62: #define UBAIOADDR      0760000  /* start of I/O page */
        !            63: #define UBAIOPAGES     16
        !            64:
        !            65: /*
        !            66:  * DW780/DW750 hardware registers
        !            67:  */
        !            68: struct uba_regs {
        !            69:        int     uba_cnfgr;              /* configuration register */
        !            70:        int     uba_cr;                 /* control register */
        !            71:        int     uba_sr;                 /* status register */
        !            72:        int     uba_dcr;                /* diagnostic control register */
        !            73:        int     uba_fmer;               /* failed map entry register */
        !            74:        int     uba_fubar;              /* failed UNIBUS address register */
        !            75:        int     pad1[2];
        !            76:        int     uba_brsvr[4];
        !            77:        int     uba_brrvr[4];           /* receive vector registers */
        !            78:        int     uba_dpr[16];            /* buffered data path register */
        !            79:        int     pad2[480];
        !            80:        pt_entry_t uba_map[UBAPAGES];   /* unibus map register */
        !            81:        int     pad3[UBAIOPAGES];       /* no maps for device address space */
        !            82: };
        !            83:
        !            84: void   uba_dma_init(struct uba_vsoftc *);