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if_ep_eisa.c revision 1.7
      1 /*	$NetBSD: if_ep_eisa.c,v 1.7 1996/10/10 19:54:13 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) beer.org>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Herb Peyerl.
     18  * 4. The name of Herb Peyerl may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include "bpfilter.h"
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/mbuf.h>
     38 #include <sys/socket.h>
     39 #include <sys/ioctl.h>
     40 #include <sys/errno.h>
     41 #include <sys/syslog.h>
     42 #include <sys/select.h>
     43 #include <sys/device.h>
     44 
     45 #include <net/if.h>
     46 #include <net/if_dl.h>
     47 #include <net/if_types.h>
     48 #include <net/netisr.h>
     49 
     50 #ifdef INET
     51 #include <netinet/in.h>
     52 #include <netinet/in_systm.h>
     53 #include <netinet/in_var.h>
     54 #include <netinet/ip.h>
     55 #include <netinet/if_ether.h>
     56 #endif
     57 
     58 #ifdef NS
     59 #include <netns/ns.h>
     60 #include <netns/ns_if.h>
     61 #endif
     62 
     63 #if NBPFILTER > 0
     64 #include <net/bpf.h>
     65 #include <net/bpfdesc.h>
     66 #endif
     67 
     68 #include <machine/cpu.h>
     69 #include <machine/bus.h>
     70 #include <machine/intr.h>
     71 
     72 #include <dev/ic/elink3var.h>
     73 #include <dev/ic/elink3reg.h>
     74 
     75 #include <dev/eisa/eisareg.h>
     76 #include <dev/eisa/eisavar.h>
     77 #include <dev/eisa/eisadevs.h>
     78 
     79 int ep_eisa_match __P((struct device *, void *, void *));
     80 void ep_eisa_attach __P((struct device *, struct device *, void *));
     81 
     82 struct cfattach ep_eisa_ca = {
     83 	sizeof(struct ep_softc), ep_eisa_match, ep_eisa_attach
     84 };
     85 
     86 /* XXX move these somewhere else */
     87 #define EISA_CONTROL	0x0c84
     88 #define EISA_RESET	0x04
     89 #define EISA_ERROR	0x02
     90 #define EISA_ENABLE	0x01
     91 
     92 int
     93 ep_eisa_match(parent, match, aux)
     94 	struct device *parent;
     95 	void *match, *aux;
     96 {
     97 	struct eisa_attach_args *ea = aux;
     98 
     99 	/* must match one of our known ID strings */
    100 	if (strcmp(ea->ea_idstring, "TCM5091") &&
    101 	    strcmp(ea->ea_idstring, "TCM5092") &&
    102 	    strcmp(ea->ea_idstring, "TCM5093"))
    103 		return (0);
    104 
    105 	return (1);
    106 }
    107 
    108 void
    109 ep_eisa_attach(parent, self, aux)
    110 	struct device *parent, *self;
    111 	void *aux;
    112 {
    113 	struct ep_softc *sc = (void *)self;
    114 	struct eisa_attach_args *ea = aux;
    115 	bus_chipset_tag_t bc = ea->ea_bc;
    116 	bus_io_handle_t ioh;
    117 	u_int16_t k, conn = 0;
    118 	eisa_chipset_tag_t ec = ea->ea_ec;
    119 	eisa_intr_handle_t ih;
    120 	const char *model, *intrstr;
    121 	u_int irq;
    122 
    123 	/* Map i/o space. */
    124 	if (bus_io_map(bc, EISA_SLOT_ADDR(ea->ea_slot), EISA_SLOT_SIZE, &ioh))
    125 		panic("ep_eisa_attach: can't map i/o space");
    126 
    127 	sc->bustype = EP_BUS_EISA;
    128 	sc->sc_ioh = ioh;
    129 	sc->sc_bc = bc;
    130 
    131 	/* Reset card. */
    132 	bus_io_write_1(bc, ioh, EISA_CONTROL, EISA_ENABLE | EISA_RESET);
    133 	delay(10);
    134 	bus_io_write_1(bc, ioh, EISA_CONTROL, EISA_ENABLE);
    135 	/* Wait for reset? */
    136 	delay(1000);
    137 
    138 	/* XXX What is this doing?!  Reading the i/o address? */
    139 	k = bus_io_read_2(bc, ioh, EP_W0_ADDRESS_CFG);
    140 	k = (k & 0x1f) * 0x10 + 0x200;
    141 
    142 	/* Read the IRQ from the card. */
    143 	irq = bus_io_read_2(bc, ioh, EP_W0_RESOURCE_CFG) >> 12;
    144 
    145 	GO_WINDOW(0);
    146 	conn = bus_io_read_2(bc, ioh, EP_W0_CONFIG_CTRL);
    147 
    148 	if (strcmp(ea->ea_idstring, "TCM5091") == 0)
    149 		model = EISA_PRODUCT_TCM5091;
    150 	else if (strcmp(ea->ea_idstring, "TCM5092") == 0)
    151 		model = EISA_PRODUCT_TCM5092;
    152 	else if (strcmp(ea->ea_idstring, "TCM5093") == 0)
    153 		model = EISA_PRODUCT_TCM5093;
    154 	else
    155 		model = "unknown model!";
    156 	kprintf(": %s\n", model);
    157 
    158 	if (eisa_intr_map(ec, irq, &ih)) {
    159 		kprintf("%s: couldn't map interrupt (%u)\n",
    160 		    sc->sc_dev.dv_xname, irq);
    161 		return;
    162 	}
    163 	intrstr = eisa_intr_string(ec, ih);
    164 	sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET,
    165 	    epintr, sc);
    166 	if (sc->sc_ih == NULL) {
    167 		kprintf("%s: couldn't establish interrupt",
    168 		    sc->sc_dev.dv_xname);
    169 		if (intrstr != NULL)
    170 			kprintf(" at %s", intrstr);
    171 		kprintf("\n");
    172 		return;
    173 	}
    174 	if (intrstr != NULL)
    175 		kprintf("%s: interrupting at %s\n", sc->sc_dev.dv_xname,
    176 		    intrstr);
    177 
    178 	epconfig(sc, conn);
    179 }
    180