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      1 /* $NetBSD: if_eb.c,v 1.15 2012/10/10 22:17:44 skrll 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 1.15 2012/10/10 22:17:44 skrll 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 <sys/bus.h>
     49 #include <sys/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(device_t, cfdata_t, void *);
     75 void ebattach(device_t, device_t, void *);
     76 
     77 /* driver structure for autoconf */
     78 
     79 CFATTACH_DECL_NEW(eb, sizeof(struct eb_softc),
     80     ebprobe, ebattach, NULL, NULL);
     81 
     82 /*
     83  * Probe routine.
     84  */
     85 
     86 /*
     87  * Probe for the ether3 podule.
     88  */
     89 
     90 int
     91 ebprobe(device_t parent, cfdata_t cf, void *aux)
     92 {
     93 	struct podulebus_attach_args *pa = aux;
     94 
     95 	return pa->pa_product == PODULE_ETHERB;
     96 }
     97 
     98 
     99 /*
    100  * Attach podule.
    101  */
    102 
    103 void
    104 ebattach(device_t parent, device_t self, void *aux)
    105 {
    106 	struct eb_softc *sc = device_private(self);
    107 	struct podulebus_attach_args *pa = aux;
    108 	u_int8_t myaddr[ETHER_ADDR_LEN];
    109 
    110 	sc->sc_8005.sc_dev = self;
    111 
    112 /*	dprintf(("Attaching %s...\n", device_xname(self)));*/
    113 
    114 	/* Set the address of the controller for easy access */
    115 	podulebus_shift_tag(pa->pa_mod_t, EB_8004_SHIFT, &sc->sc_8005.sc_iot);
    116 	bus_space_map(sc->sc_8005.sc_iot, pa->pa_mod_base + EB_8004_BASE,
    117 	    /* XXX */ 0, 0, &sc->sc_8005.sc_ioh);
    118 
    119 	/*
    120 	 * Build the address from the machine id.
    121 	 */
    122 	netslot_ea(myaddr);
    123 
    124 	printf(":");
    125 	seeq8005_attach(&sc->sc_8005, myaddr, NULL, 0, 0);
    126 
    127 	/* Claim a podule interrupt */
    128 
    129 	evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL,
    130 	    device_xname(self), "intr");
    131 	sc->sc_ih = podulebus_irq_establish(pa->pa_ih, IPL_NET, seeq8005intr,
    132 	    sc, &sc->sc_intrcnt);
    133 }
    134 
    135 /* End of if_eb.c */
    136