lsi64854var.h

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    1 /*      $OpenBSD: lsi64854var.h,v 1.7 2008/06/26 05:42:15 ray Exp $     */
    2 /*      $NetBSD: lsi64854var.h,v 1.4 2001/03/29 02:58:39 petrov Exp $ */
    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 Paul Kranenburg.
   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  *
   20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   30  * POSSIBILITY OF SUCH DAMAGE.
   31  */
   32 
   33 struct lsi64854_softc {
   34         struct device           sc_dev;         /* base device */
   35         bus_space_tag_t         sc_bustag;      /* bus tags */
   36         bus_dma_tag_t           sc_dmatag;
   37 
   38         bus_space_handle_t      sc_regs;        /* the registers */
   39         u_int                   sc_rev;         /* revision */
   40         int                     sc_burst;       /* max supported burst size */
   41 
   42         int                     sc_channel;
   43 #define L64854_CHANNEL_SCSI     1
   44 #define L64854_CHANNEL_ENET     2
   45 #define L64854_CHANNEL_PP       3
   46         void                    *sc_client;
   47 
   48         int                     sc_active;      /* DMA active ? */
   49         bus_dmamap_t            sc_dmamap;      /* DMA map for bus_dma_* */
   50         caddr_t                 sc_dvmaaddr;    /* DVMA cookie */
   51         size_t                  sc_dmasize;
   52         caddr_t                 *sc_dmaaddr;
   53         size_t                  *sc_dmalen;
   54 
   55         void    (*reset)(struct lsi64854_softc *);/* reset routine */
   56         int     (*setup)(struct lsi64854_softc *, caddr_t *, size_t *,
   57                               int, size_t *);   /* dma setup */
   58         int     (*intr)(void *);                /* interrupt handler */
   59 
   60         int     (*sc_intrchain)(void *);        /* next handler in intr chain */
   61         void    *sc_intrchainarg;               /* arg for next intr handler */
   62 
   63         u_int                   sc_dmactl;
   64 };
   65 
   66 #define L64854_GCSR(sc) \
   67         (bus_space_read_4((sc)->sc_bustag, (sc)->sc_regs, L64854_REG_CSR))
   68 
   69 #define L64854_SCSR(sc, csr)    \
   70         bus_space_write_4((sc)->sc_bustag, (sc)->sc_regs, L64854_REG_CSR, csr)
   71 
   72 
   73 /*
   74  * DMA engine interface functions.
   75  */
   76 #define DMA_RESET(sc)                   (((sc)->reset)(sc))
   77 #define DMA_INTR(sc)                    (((sc)->intr)(sc))
   78 #define DMA_SETUP(sc, a, l, d, s)       (((sc)->setup)(sc, a, l, d, s))
   79 
   80 #define DMA_ISACTIVE(sc)                ((sc)->sc_active)
   81 
   82 #define DMA_ENINTR(sc) do {                     \
   83         u_int32_t csr = L64854_GCSR(sc);        \
   84         csr |= L64854_INT_EN;                   \
   85         L64854_SCSR(sc, csr);                   \
   86 } while (0)
   87 
   88 #define DMA_ISINTR(sc)  (L64854_GCSR(sc) & (D_INT_PEND|D_ERR_PEND))
   89 
   90 #define DMA_GO(sc) do {                         \
   91         u_int32_t csr = L64854_GCSR(sc);        \
   92         csr |= D_EN_DMA;                        \
   93         L64854_SCSR(sc, csr);                   \
   94         sc->sc_active = 1;                      \
   95 } while (0)
   96 
   97 
   98 int     lsi64854_attach(struct lsi64854_softc *);
   99 int     lsi64854_enet_intr(void *);

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FreeBSD/Linux Kernel Cross Reference sys/dev/ic/lsi64854var.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/lsi64854var.h