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mb8795var.h revision 1.1.1.1 
      1 /*	$NetBSD: mb8795var.h,v 1.1.1.1 1998/06/09 07:53:05 dbj Exp $	*/
      2 /*
      3  * Copyright (c) 1998 Darrin B. Jewell
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *      This product includes software developed by Darrin B. Jewell
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #define MB8795_NRXBUFS (32)
     33 
     34 struct mb8795_softc {
     35 	struct	device sc_dev;		/* base device glue */
     36 	struct	ethercom sc_ethercom;	/* Ethernet common part */
     37 
     38 #if 0
     39 	struct	ifmedia sc_media;	/* our supported media */
     40 
     41 	int	(*sc_mediachange) __P((struct mb8795_softc *));
     42 	void	(*sc_mediastatus) __P((struct mb8795_softc *,
     43 		    struct ifmediareq *));
     44 
     45 	/*
     46 	 * Media-supported by this interface.  If this is NULL,
     47 	 * the only supported media is assumed to be "manual".
     48 	 */
     49 	int	*sc_supmedia;
     50 	int	sc_nsupmedia;
     51 	int	sc_defaultmedia;
     52 
     53 	int	sc_havecarrier;	/* carrier status */
     54 #endif
     55 
     56 	void	*sc_sh;		/* shutdownhook cookie */
     57 
     58 	int sc_debug;
     59 
     60 	bus_space_tag_t sc_bst;    /* bus space tag */
     61 
     62 	bus_space_handle_t sc_bsh; /* bus space handle */
     63 
     64 	u_int8_t sc_enaddr[6];
     65 
     66 	bus_dma_tag_t sc_tx_dmat;
     67 	bus_dmamap_t sc_tx_dmamap; /* should we have multiple of these? */
     68 	struct mbuf *sc_tx_mb_head;   /* pointer to data for this command */
     69 	int sc_tx_loaded;
     70 
     71 	u_char *sc_txbuf;							/* to solve alignment problems, we
     72 																 * copy the mbuf into this buffer before
     73 																 * trying to dma it */
     74 
     75 	bus_dma_tag_t sc_rx_dmat;
     76 	bus_dmamap_t sc_rx_dmamap[MB8795_NRXBUFS];
     77 	struct mbuf *sc_rx_mb_head[MB8795_NRXBUFS];
     78 	int sc_rx_loaded_idx;
     79 	int sc_rx_completed_idx;
     80 	int sc_rx_handled_idx;
     81 
     82 	struct nextdma_config *sc_tx_nd;		/* @@@ this shouldn't be here */
     83 	struct nextdma_config *sc_rx_nd;		/* @@@ this shouldn't be here */
     84 
     85 };
     86 
     87 void mb8795_config __P((struct mb8795_softc *));
     88 void mb8795_init __P((struct mb8795_softc *));
     89 int mb8795_ioctl __P((struct ifnet *, u_long, caddr_t));
     90 void mb8795_reset __P((struct mb8795_softc *));
     91 void mb8795_start __P((struct ifnet *));
     92 void mb8795_stop __P((struct mb8795_softc *));
     93 void mb8795_watchdog __P((struct ifnet *));
     94 
     95 void mb8795_rint __P((struct mb8795_softc *));
     96 void mb8795_tint __P((struct mb8795_softc *));
     97