lsi64854var.h

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    1 /*      $NetBSD: lsi64854var.h,v 1.4 2001/03/29 02:58:39 petrov Exp $ */
    2 
    3 /*-
    4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Paul Kranenburg.
    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 NetBSD
   21  *        Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 /*      $FreeBSD: releng/5.3/sys/sparc64/sbus/lsi64854var.h 130293 2004-06-10 05:11:39Z scottl $ */
   40 
   41 struct lsi64854_softc {
   42         device_t                sc_dev;
   43         const char              *dv_name;
   44 
   45         int                     sc_rid;
   46         struct resource         *sc_res;
   47         bus_space_handle_t      sc_regh;
   48         bus_space_tag_t         sc_regt;
   49         u_int                   sc_rev;         /* revision */
   50         int                     sc_burst;       /* max suported burst size */
   51 
   52         int                     sc_channel;
   53 #define L64854_CHANNEL_SCSI     1
   54 #define L64854_CHANNEL_ENET     2
   55 #define L64854_CHANNEL_PP       3
   56         void                    *sc_client;
   57 
   58         int                     sc_active;      /* DMA active ? */
   59         bus_dmamap_t            sc_dmamap;      /* DMA map for bus_dma_* */
   60 
   61         bus_dma_tag_t           sc_parent_dmat;
   62         bus_dma_tag_t           sc_buffer_dmat;
   63         int                     sc_datain;
   64         size_t                  sc_dmasize;
   65         caddr_t                 *sc_dmaaddr;
   66         size_t                  *sc_dmalen;
   67 
   68         void    (*reset)(struct lsi64854_softc *);/* reset routine */
   69         int     (*setup)(struct lsi64854_softc *, caddr_t *, size_t *,
   70                          int, size_t *);        /* DMA setup */
   71         int     (*intr)(void *);                /* interrupt handler */
   72 
   73         int     (*sc_intrchain)(void *);        /* next handler in intr chain */
   74         void    *sc_intrchainarg;               /* arg for next intr handler */
   75 
   76         u_int                   sc_dmactl;
   77 };
   78 
   79 #define L64854_GCSR(sc) \
   80         (bus_space_read_4((sc)->sc_regt, (sc)->sc_regh, L64854_REG_CSR))
   81 
   82 #define L64854_SCSR(sc, csr)    \
   83         bus_space_write_4((sc)->sc_regt, (sc)->sc_regh, L64854_REG_CSR, csr)
   84 
   85 
   86 /*
   87  * DMA engine interface functions.
   88  */
   89 #define DMA_RESET(sc)                   (((sc)->reset)(sc))
   90 #define DMA_INTR(sc)                    (((sc)->intr)(sc))
   91 #define DMA_SETUP(sc, a, l, d, s)       (((sc)->setup)(sc, a, l, d, s))
   92 
   93 #define DMA_ISACTIVE(sc)                ((sc)->sc_active)
   94 
   95 #define DMA_ENINTR(sc) do {                     \
   96         u_int32_t csr = L64854_GCSR(sc);        \
   97         csr |= L64854_INT_EN;                   \
   98         L64854_SCSR(sc, csr);                   \
   99 } while (0)
  100 
  101 #define DMA_ISINTR(sc)  (L64854_GCSR(sc) & (D_INT_PEND|D_ERR_PEND))
  102 
  103 #define DMA_GO(sc) do {                         \
  104         u_int32_t csr = L64854_GCSR(sc);        \
  105         csr |= D_EN_DMA;                        \
  106         L64854_SCSR(sc, csr);                   \
  107         sc->sc_active = 1;                      \
  108 } while (0)
  109 
  110 
  111 void    lsi64854_attach(struct lsi64854_softc *);
  112 int     lsi64854_scsi_intr(void *);
  113 int     lsi64854_enet_intr(void *);
  114 int     lsi64854_pp_intr(void *);

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

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sys/sparc64/sbus/lsi64854var.h