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mb8795var.h revision 1.5 
      1 /*	$NetBSD: mb8795var.h,v 1.5 2002/05/20 20:19:36 jdolecek 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 #include "rnd.h"                /* is random device-driver configured? */
     33 #if NRND > 0
     34 #include <sys/rnd.h>
     35 #endif  /* NRND */
     36 
     37 #define MB8795_NRXBUFS (32)
     38 
     39 struct mb8795_softc {
     40 	struct	device sc_dev;		/* base device glue */
     41 	struct	ethercom sc_ethercom;	/* Ethernet common part */
     42 
     43 	void	*sc_sh;		/* shutdownhook cookie */
     44 
     45 	int sc_debug;
     46 
     47 	bus_space_tag_t sc_bst;    /* bus space tag */
     48 
     49 	bus_space_handle_t sc_bsh; /* bus space handle */
     50 
     51 	u_int8_t sc_enaddr[6];
     52 
     53 	bus_dma_tag_t sc_tx_dmat;
     54 	bus_dmamap_t sc_tx_dmamap; /* should we have multiple of these? */
     55 	struct mbuf *sc_tx_mb_head;   /* pointer to data for this command */
     56 	int sc_tx_loaded;
     57 
     58 	u_char *sc_txbuf; 	/* to solve alignment problems, we
     59 				 * copy the mbuf into this buffer before
     60 				 * trying to dma it */
     61 
     62 	struct ifaltq sc_tx_snd;
     63 
     64 	bus_dma_tag_t sc_rx_dmat;
     65 	bus_dmamap_t sc_rx_dmamap[MB8795_NRXBUFS];
     66 	struct mbuf *sc_rx_mb_head[MB8795_NRXBUFS];
     67 	int sc_rx_loaded_idx;
     68 	int sc_rx_completed_idx;
     69 	int sc_rx_handled_idx;
     70 
     71 	struct nextdma_config *sc_tx_nd;		/* @@@ this shouldn't be here */
     72 	struct nextdma_config *sc_rx_nd;		/* @@@ this shouldn't be here */
     73 
     74 #if NRND > 0
     75 	rndsource_element_t     rnd_source;
     76 #endif /* NRND */
     77 
     78 };
     79 
     80 void mb8795_config __P((struct mb8795_softc *));
     81 void mb8795_init __P((struct mb8795_softc *));
     82 int mb8795_ioctl __P((struct ifnet *, u_long, caddr_t));
     83 void mb8795_reset __P((struct mb8795_softc *));
     84 void mb8795_start __P((struct ifnet *));
     85 void mb8795_stop __P((struct mb8795_softc *));
     86 void mb8795_watchdog __P((struct ifnet *));
     87 
     88 void mb8795_rint __P((struct mb8795_softc *));
     89 void mb8795_tint __P((struct mb8795_softc *));
     90