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if_eb.c revision 1.4 
      1 /* $NetBSD: if_eb.c,v 1.4 2002/05/22 22:43:14 bjh21 Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2000, 2001 Ben Harris
      5  * Copyright (c) 1995 Mark Brinicombe
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by Mark Brinicombe.
     19  * 4. The name of the company nor the name of the author may be used to
     20  *    endorse or promote products derived from this software without specific
     21  *    prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     24  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 /*
     36  * if_eb.c - EtherB device driver
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: if_eb.c,v 1.4 2002/05/22 22:43:14 bjh21 Exp $");
     41 
     42 #include <sys/param.h>
     43 
     44 #include <sys/device.h>
     45 #include <sys/socket.h>
     46 #include <sys/systm.h>
     47 
     48 #include <machine/bus.h>
     49 #include <machine/intr.h>
     50 
     51 #include <net/if.h>
     52 #include <net/if_ether.h>
     53 
     54 #include <dev/podulebus/podulebus.h>
     55 #include <dev/podulebus/podules.h>
     56 
     57 #include <dev/podulebus/if_ebreg.h>
     58 #include <dev/ic/seeq8005var.h>
     59 
     60 /*
     61  * per-line info and status
     62  */
     63 
     64 struct eb_softc {
     65 	struct seeq8005_softc	sc_8005;
     66 	void	*sc_ih;
     67 	struct evcnt sc_intrcnt;
     68 };
     69 
     70 /*
     71  * prototypes
     72  */
     73 
     74 int ebprobe(struct device *, struct cfdata *, void *);
     75 void ebattach(struct device *, struct device *, void *);
     76 
     77 /* driver structure for autoconf */
     78 
     79 struct cfattach eb_ca = {
     80 	sizeof(struct eb_softc), ebprobe, ebattach
     81 };
     82 
     83 /*
     84  * Probe routine.
     85  */
     86 
     87 /*
     88  * Probe for the ether3 podule.
     89  */
     90 
     91 int
     92 ebprobe(struct device *parent, struct cfdata *cf, void *aux)
     93 {
     94 	struct podulebus_attach_args *pa = aux;
     95 
     96 	return pa->pa_product == PODULE_ETHERB;
     97 }
     98 
     99 
    100 /*
    101  * Attach podule.
    102  */
    103 
    104 void
    105 ebattach(struct device *parent, struct device *self, void *aux)
    106 {
    107 	struct eb_softc *sc = (void *)self;
    108 	struct podulebus_attach_args *pa = aux;
    109 	u_int8_t myaddr[ETHER_ADDR_LEN];
    110 
    111 /*	dprintf(("Attaching %s...\n", sc->sc_dev.dv_xname));*/
    112 
    113 	/* Set the address of the controller for easy access */
    114 	podulebus_shift_tag(pa->pa_mod_t, EB_8004_SHIFT, &sc->sc_8005.sc_iot);
    115 	bus_space_map(sc->sc_8005.sc_iot, pa->pa_mod_base + EB_8004_BASE,
    116 	    /* XXX */ 0, 0, &sc->sc_8005.sc_ioh);
    117 
    118 	/*
    119 	 * Build the address from the machine id.
    120 	 */
    121 	netslot_ea(myaddr);
    122 
    123 	printf(":");
    124 	seeq8005_attach(&sc->sc_8005, myaddr, NULL, 0, 0);
    125 
    126 	/* Claim a podule interrupt */
    127 
    128 	evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL,
    129 	    self->dv_xname, "intr");
    130 	sc->sc_ih = podulebus_irq_establish(pa->pa_ih, IPL_NET, seeq8005intr,
    131 	    sc, &sc->sc_intrcnt);
    132 }
    133 
    134 /* End of if_eb.c */
    135