lsi64854var.h

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    1 /*      $NetBSD: lsi64854var.h,v 1.12 2008/04/28 20:23:50 martin Exp $ */
    2 
    3 /*-
    4  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    5  *
    6  * Copyright (c) 1998 The NetBSD Foundation, Inc.
    7  * All rights reserved.
    8  *
    9  * This code is derived from software contributed to The NetBSD Foundation
   10  * by Paul Kranenburg.
   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  *
   21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   31  * POSSIBILITY OF SUCH DAMAGE.
   32  */
   33 
   34 /*      $FreeBSD: releng/12.0/sys/sparc64/sbus/lsi64854var.h 326262 2017-11-27 15:10:39Z pfg $ */
   35 
   36 struct lsi64854_softc {
   37         device_t                sc_dev;
   38 
   39         struct resource         *sc_res;
   40         u_int                   sc_rev;         /* revision */
   41         int                     sc_burst;       /* max suported burst size */
   42 
   43         int                     sc_channel;
   44 #define L64854_CHANNEL_SCSI     1
   45 #define L64854_CHANNEL_ENET     2
   46 #define L64854_CHANNEL_PP       3
   47         void                    *sc_client;
   48 
   49         int                     sc_active;      /* DMA active? */
   50         bus_dmamap_t            sc_dmamap;      /* DMA map for bus_dma_* */
   51 
   52         bus_dma_tag_t           sc_parent_dmat;
   53         bus_dma_tag_t           sc_buffer_dmat;
   54         bus_size_t              sc_maxdmasize;
   55         int                     sc_datain;
   56         size_t                  sc_dmasize;
   57         void                    **sc_dmaaddr;
   58         size_t                  *sc_dmalen;
   59 
   60         void    (*reset)(struct lsi64854_softc *);/* reset routine */
   61         int     (*setup)(struct lsi64854_softc *, void **, size_t *,
   62                     int, size_t *);             /* DMA setup */
   63         int     (*intr)(void *);                /* interrupt handler */
   64 
   65         u_int                   sc_dmactl;
   66         int                     sc_dodrain;
   67 };
   68 
   69 #define L64854_GCSR(sc)         bus_read_4((sc)->sc_res, L64854_REG_CSR)
   70 #define L64854_SCSR(sc, csr)    bus_write_4((sc)->sc_res, L64854_REG_CSR, csr)
   71 
   72 /*
   73  * DMA engine interface functions.
   74  */
   75 #define DMA_RESET(sc)                   (((sc)->reset)(sc))
   76 #define DMA_INTR(sc)                    (((sc)->intr)(sc))
   77 #define DMA_SETUP(sc, a, l, d, s)       (((sc)->setup)(sc, a, l, d, s))
   78 #define DMA_ISACTIVE(sc)                ((sc)->sc_active)
   79 
   80 #define DMA_ENINTR(sc) do {                     \
   81         uint32_t csr = L64854_GCSR(sc);         \
   82         csr |= L64854_INT_EN;                   \
   83         L64854_SCSR(sc, csr);                   \
   84 } while (/* CONSTCOND */0)
   85 
   86 #define DMA_ISINTR(sc)  (L64854_GCSR(sc) & (D_INT_PEND|D_ERR_PEND))
   87 
   88 #define DMA_GO(sc) do {                         \
   89         uint32_t csr = L64854_GCSR(sc);         \
   90         csr |= D_EN_DMA;                        \
   91         L64854_SCSR(sc, csr);                   \
   92         sc->sc_active = 1;                      \
   93 } while (/* CONSTCOND */0)
   94 
   95 int     lsi64854_attach(struct lsi64854_softc *);
   96 int     lsi64854_detach(struct lsi64854_softc *);

Cache object: 43df220148260e070d9d93e3ee016b46

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FreeBSD/Linux Kernel Cross Reference sys/sparc64/sbus/lsi64854var.h

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sys/sparc64/sbus/lsi64854var.h