The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/eisa/if_ep_eisa.c

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    1 /*      $NetBSD: if_ep_eisa.c,v 1.39.4.1 2009/02/02 20:48:00 snj Exp $  */
    2 
    3 /*-
    4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
    9  * NASA Ames Research Center.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   30  * POSSIBILITY OF SUCH DAMAGE.
   31  */
   32 
   33 /*
   34  * Copyright (c) 1997 Jonathan Stone <jonathan@NetBSD.org>
   35  * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
   36  * All rights reserved.
   37  *
   38  * Redistribution and use in source and binary forms, with or without
   39  * modification, are permitted provided that the following conditions
   40  * are met:
   41  * 1. Redistributions of source code must retain the above copyright
   42  *    notice, this list of conditions and the following disclaimer.
   43  * 2. Redistributions in binary form must reproduce the above copyright
   44  *    notice, this list of conditions and the following disclaimer in the
   45  *    documentation and/or other materials provided with the distribution.
   46  * 3. All advertising materials mentioning features or use of this software
   47  *    must display the following acknowledgement:
   48  *      This product includes software developed by Herb Peyerl.
   49  *      This product includes software developed by Jonathan Stone.
   50  * 4. The name of Herb Peyerl or Jonathan Stone may not be used to endorse
   51  *    or promote products derived from this software without specific
   52  *    prior written permission.
   53  *
   54  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   55  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   56  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   57  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   58  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   59  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   60  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   61  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   62  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   63  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   64  */
   65 
   66 #include <sys/cdefs.h>
   67 __KERNEL_RCSID(0, "$NetBSD: if_ep_eisa.c,v 1.39.4.1 2009/02/02 20:48:00 snj Exp $");
   68 
   69 #include "opt_inet.h"
   70 #include "bpfilter.h"
   71 
   72 #include <sys/param.h>
   73 #include <sys/systm.h>
   74 #include <sys/mbuf.h>
   75 #include <sys/socket.h>
   76 #include <sys/ioctl.h>
   77 #include <sys/errno.h>
   78 #include <sys/syslog.h>
   79 #include <sys/select.h>
   80 #include <sys/device.h>
   81 
   82 #include <net/if.h>
   83 #include <net/if_dl.h>
   84 #include <net/if_ether.h>
   85 #include <net/if_media.h>
   86 
   87 #ifdef INET
   88 #include <netinet/in.h>
   89 #include <netinet/in_systm.h>
   90 #include <netinet/in_var.h>
   91 #include <netinet/ip.h>
   92 #include <netinet/if_inarp.h>
   93 #endif
   94 
   95 
   96 #if NBPFILTER > 0
   97 #include <net/bpf.h>
   98 #include <net/bpfdesc.h>
   99 #endif
  100 
  101 #include <sys/cpu.h>
  102 #include <sys/bus.h>
  103 #include <sys/intr.h>
  104 
  105 #include <dev/mii/miivar.h>
  106 
  107 #include <dev/ic/elink3var.h>
  108 #include <dev/ic/elink3reg.h>
  109 
  110 #include <dev/eisa/eisareg.h>
  111 #include <dev/eisa/eisavar.h>
  112 #include <dev/eisa/eisadevs.h>
  113 
  114 static int      ep_eisa_match(device_t , cfdata_t , void *);
  115 static void     ep_eisa_attach(device_t , device_t , void *);
  116 
  117 CFATTACH_DECL_NEW(ep_eisa, sizeof(struct ep_softc),
  118     ep_eisa_match, ep_eisa_attach, NULL, NULL);
  119 
  120 /* XXX move these somewhere else */
  121 /* While attaching we need a few special EISA registers of the card,
  122    these are mapped at slotbase+EP_EISA_CFG_BASE with len EP_EISA_CFG_SIZE */
  123 #define EP_EISA_CFG_BASE        0x0c80
  124 #define EP_EISA_CFG_CONTROL     0x0004  /* 1 byte */
  125 #define EP_EISA_CFG_RESOURCE    0x0008  /* 2 byte */
  126 #define EP_EISA_CFG_SIZE        0x000a
  127 
  128 /* The generic driver backend only needs access to the standard ports,
  129    mapped at the beginning of the eisa slot space */
  130 #define EP_IOPORT_OFFSET        0x0000
  131 #define EP_IOPORT_SIZE          0x0020
  132 
  133 /* Bits for the eisa control register */
  134 #define EISA_RESET      0x04
  135 #define EISA_ERROR      0x02
  136 #define EISA_ENABLE     0x01
  137 
  138 static const struct ep_eisa_product {
  139         const char      *eep_eisaid;    /* EISA ID */
  140         u_short         eep_chipset;    /* 3Com chipset used */
  141         int             eep_flags;      /* initial softc flags */
  142         const char      *eep_name;      /* device name */
  143 } ep_eisa_products[] = {
  144         { "TCM5090",                    ELINK_CHIPSET_3C509,
  145           0,                            EISA_PRODUCT_TCM5090 },
  146         { "TCM5091",                    ELINK_CHIPSET_3C509,
  147           0,                            EISA_PRODUCT_TCM5091 },
  148         { "TCM5092",                    ELINK_CHIPSET_3C509,
  149           0,                            EISA_PRODUCT_TCM5092 },
  150         { "TCM5093",                    ELINK_CHIPSET_3C509,
  151           0,                            EISA_PRODUCT_TCM5093 },
  152         { "TCM5094",                    ELINK_CHIPSET_3C509,
  153           0,                            EISA_PRODUCT_TCM5094 },
  154         { "TCM5095",                    ELINK_CHIPSET_3C509,
  155           0,                            EISA_PRODUCT_TCM5095 },
  156         { "TCM5098",                    ELINK_CHIPSET_3C509,
  157           0,                            EISA_PRODUCT_TCM5098 },
  158 
  159         /*
  160          * Note: The 3c597 Fast Etherlink MII (TCM5972) is an
  161          * MII connector for an external PHY.  We treat it as
  162          * `manual' in the core driver.
  163          */
  164         { "TCM5920",                    ELINK_CHIPSET_VORTEX,
  165           0,                            EISA_PRODUCT_TCM5920 },
  166         { "TCM5970",                    ELINK_CHIPSET_VORTEX,
  167           0,                            EISA_PRODUCT_TCM5970 },
  168         { "TCM5971",                    ELINK_CHIPSET_VORTEX,
  169           0,                            EISA_PRODUCT_TCM5971 },
  170         { "TCM5972",                    ELINK_CHIPSET_VORTEX,
  171           0,                            EISA_PRODUCT_TCM5972 },
  172 
  173         { NULL,                         0,
  174           0,                            NULL },
  175 };
  176 
  177 static const struct ep_eisa_product *
  178 ep_eisa_lookup(const struct eisa_attach_args *ea)
  179 {
  180         const struct ep_eisa_product *eep;
  181 
  182         for (eep = ep_eisa_products; eep->eep_name != NULL; eep++)
  183                 if (strcmp(ea->ea_idstring, eep->eep_eisaid) == 0)
  184                         return (eep);
  185 
  186         return (NULL);
  187 }
  188 
  189 static int
  190 ep_eisa_match(device_t parent, cfdata_t match, void *aux)
  191 {
  192         struct eisa_attach_args *ea = aux;
  193 
  194         /* must match one of our known ID strings */
  195         if (ep_eisa_lookup(ea) != NULL)
  196                 return (1);
  197 
  198         return (0);
  199 }
  200 
  201 static void
  202 ep_eisa_attach(device_t parent, device_t self, void *aux)
  203 {
  204         struct ep_softc *sc = device_private(self);
  205         struct eisa_attach_args *ea = aux;
  206         bus_space_tag_t iot = ea->ea_iot;
  207         bus_space_handle_t ioh, ioh_cfg;
  208         eisa_chipset_tag_t ec = ea->ea_ec;
  209         eisa_intr_handle_t ih;
  210         const char *intrstr;
  211         const struct ep_eisa_product *eep;
  212         u_int irq;
  213 
  214         /* Map i/o space. */
  215         if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_EISA_CFG_BASE,
  216             EP_EISA_CFG_SIZE, 0, &ioh_cfg)) {
  217                 printf("\n");
  218                 panic("ep_eisa_attach: can't map eisa cfg i/o space");
  219         }
  220         if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_IOPORT_OFFSET,
  221             EP_IOPORT_SIZE, 0, &ioh)) {
  222                 printf("\n");
  223                 panic("ep_eisa_attach: can't map i/o space");
  224         }
  225 
  226         sc->sc_dev = self;
  227         sc->sc_ioh = ioh;
  228         sc->sc_iot = iot;
  229 
  230         bus_space_write_1(iot, ioh_cfg, EP_EISA_CFG_CONTROL, EISA_ENABLE);
  231         delay(4000);
  232 
  233         /* Read the IRQ from the card. */
  234         irq = bus_space_read_2(iot, ioh_cfg, EP_EISA_CFG_RESOURCE) >> 12;
  235 
  236         eep = ep_eisa_lookup(ea);
  237         if (eep == NULL) {
  238                 printf("\n");
  239                 panic("ep_eisa_attach: impossible");
  240         }
  241 
  242         /* we don't need access to the config registers any more, but
  243            noone else should be able to map this space, so keep it
  244            reserved? */
  245 #if 0
  246         bus_space_unmap(iot, ioh_cfg, EP_EISA_CFG_SIZE);
  247 #endif
  248 
  249         printf(": %s\n", eep->eep_name);
  250 
  251         sc->enable = NULL;
  252         sc->disable = NULL;
  253         sc->enabled = 1;
  254 
  255         sc->bustype = ELINK_BUS_EISA;
  256         sc->ep_flags = eep->eep_flags;
  257 
  258         if (eisa_intr_map(ec, irq, &ih)) {
  259                 aprint_error_dev(sc->sc_dev, "couldn't map interrupt (%u)\n",
  260                     irq);
  261                 return;
  262         }
  263         intrstr = eisa_intr_string(ec, ih);
  264         sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET,
  265             epintr, sc);
  266         if (sc->sc_ih == NULL) {
  267                 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
  268                 if (intrstr != NULL)
  269                         printf(" at %s", intrstr);
  270                 printf("\n");
  271                 return;
  272         }
  273         if (intrstr != NULL)
  274                 printf("%s: interrupting at %s\n", device_xname(sc->sc_dev),
  275                     intrstr);
  276 
  277         epconfig(sc, eep->eep_chipset, NULL);
  278 }

Cache object: 32ae1e41445b6014961cfe52aae97148


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