lsi64854var.h

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    1 /*      $NetBSD: lsi64854var.h,v 1.12 2008/04/28 20:23:50 martin 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  *
   19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   29  * POSSIBILITY OF SUCH DAMAGE.
   30  */
   31 
   32 struct lsi64854_softc {
   33         device_t                sc_dev;         /* base device */
   34         bus_space_tag_t         sc_bustag;      /* bus tags */
   35         bus_dma_tag_t           sc_dmatag;
   36 
   37         bus_space_handle_t      sc_regs;        /* the registers */
   38         u_int                   sc_rev;         /* revision */
   39         int                     sc_burst;       /* max suported burst size */
   40 
   41         int                     sc_channel;
   42 #define L64854_CHANNEL_SCSI     1
   43 #define L64854_CHANNEL_ENET     2
   44 #define L64854_CHANNEL_PP       3
   45         void                    *sc_client;
   46 
   47         int                     sc_active;      /* DMA active ? */
   48         bus_dmamap_t            sc_dmamap;      /* DMA map for bus_dma_* */
   49         void *                  sc_dvmaaddr;    /* DVMA cookie */
   50         size_t                  sc_dmasize;
   51         uint8_t                 **sc_dmaaddr;
   52         size_t                  *sc_dmalen;
   53 
   54         void    (*reset)(struct lsi64854_softc *);/* reset routine */
   55         int     (*setup)(struct lsi64854_softc *, uint8_t **, size_t *,
   56                               int, size_t *);   /* DMA setup */
   57         int     (*intr)(void *);                /* interrupt handler */
   58 
   59         int     (*sc_intrchain)(void *);        /* next handler in intr chain */
   60         void    *sc_intrchainarg;               /* arg for next intr handler */
   61 
   62         u_int                   sc_dmactl;
   63 };
   64 
   65 #define L64854_GCSR(sc) \
   66         (bus_space_read_4((sc)->sc_bustag, (sc)->sc_regs, L64854_REG_CSR))
   67 
   68 #define L64854_SCSR(sc, csr)    \
   69         bus_space_write_4((sc)->sc_bustag, (sc)->sc_regs, L64854_REG_CSR, csr)
   70 
   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 
   79 #define DMA_ISACTIVE(sc)                ((sc)->sc_active)
   80 
   81 #define DMA_ENINTR(sc) do {                     \
   82         uint32_t _csr = L64854_GCSR(sc);        \
   83         _csr |= L64854_INT_EN;                  \
   84         L64854_SCSR(sc, _csr);                  \
   85 } while (/*CONSTCOND*/0)
   86 
   87 #define DMA_ISINTR(sc)  (L64854_GCSR(sc) & (D_INT_PEND|D_ERR_PEND))
   88 
   89 #define DMA_GO(sc) do {                         \
   90         uint32_t _csr = L64854_GCSR(sc);        \
   91         _csr |= D_EN_DMA;                       \
   92         L64854_SCSR(sc, _csr);                  \
   93         sc->sc_active = 1;                      \
   94 } while (0)
   95 
   96 
   97 void    lsi64854_attach(struct lsi64854_softc *);
   98 int     lsi64854_scsi_intr(void *);
   99 int     lsi64854_enet_intr(void *);
  100 int     lsi64854_pp_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