sys/dev/ic/hmevar.h

   1 /*      $NetBSD: hmevar.h,v 1.20 2009/09/08 17:16:33 tsutsui Exp $      */
   2
   3 /*-
   4  * Copyright (c) 1999 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 #include "rnd.h"
  33
  34 #include <sys/callout.h>
  35 #if NRND > 0
  36 #include <sys/rnd.h>
  37 #endif
  38
  39
  40 struct hme_ring {
  41         /* Ring Descriptors */
  42         void *          rb_membase;     /* Packet buffer: CPU address */
  43         bus_addr_t      rb_dmabase;     /* Packet buffer: DMA address */
  44         void *          rb_txd;         /* Transmit descriptors */
  45         bus_addr_t      rb_txddma;      /* DMA address of same */
  46         void *          rb_rxd;         /* Receive descriptors */
  47         bus_addr_t      rb_rxddma;      /* DMA address of same */
  48         void *          rb_txbuf;       /* Transmit buffers */
  49         void *          rb_rxbuf;       /* Receive buffers */
  50         int             rb_ntbuf;       /* # of transmit buffers */
  51         int             rb_nrbuf;       /* # of receive buffers */
  52
  53         /* Ring Descriptor state */
  54         int     rb_tdhead, rb_tdtail;
  55         int     rb_rdtail;
  56         int     rb_td_nbusy;
  57 };
  58
  59 struct hme_softc {
  60         device_t        sc_dev;         /* boilerplate device view */
  61         struct ethercom sc_ethercom;    /* Ethernet common part */
  62         struct mii_data sc_mii;         /* MII media control */
  63         struct callout  sc_tick_ch;     /* tick callout */
  64
  65         /* The following bus handles are to be provided by the bus front-end */
  66         bus_space_tag_t sc_bustag;      /* bus tag */
  67         bus_dma_tag_t   sc_dmatag;      /* bus dma tag */
  68         bus_dmamap_t    sc_dmamap;      /* bus dma handle */
  69         bus_space_handle_t sc_seb;      /* HME Global registers */
  70         bus_space_handle_t sc_erx;      /* HME ERX registers */
  71         bus_space_handle_t sc_etx;      /* HME ETX registers */
  72         bus_space_handle_t sc_mac;      /* HME MAC registers */
  73         bus_space_handle_t sc_mif;      /* HME MIF registers */
  74         int             sc_burst;       /* DVMA burst size in effect */
  75         int             sc_phys[2];     /* MII instance -> PHY map */
  76
  77         int             sc_pci;         /* XXXXX -- PCI buses are LE. */
  78
  79         /* Ring descriptor */
  80         struct hme_ring         sc_rb;
  81 #if notused
  82         void            (*sc_copytobuf)(struct hme_softc *,
  83                                              void *, void *, size_t);
  84         void            (*sc_copyfrombuf)(struct hme_softc *,
  85                                               void *, void *, size_t);
  86 #endif
  87
  88         int                     sc_debug;
  89         int                     sc_ec_capenable;
  90         short                   sc_if_flags;
  91         uint8_t                 sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */
  92
  93         /* Special hardware hooks */
  94         void    (*sc_hwreset)(struct hme_softc *);
  95         void    (*sc_hwinit)(struct hme_softc *);
  96
  97 #if NRND > 0
  98         rndsource_element_t     rnd_source;
  99 #endif
 100 };
 101
 102
 103 void    hme_config(struct hme_softc *);
 104 int     hme_intr(void *);