387 lines
11 KiB
C
387 lines
11 KiB
C
/*-
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* Copyright (c) 2002 Takeshi Shibagaki
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/* xe pccard interface driver */
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/if_media.h>
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#include <net/if_mib.h>
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#include <dev/xe/if_xereg.h>
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#include <dev/xe/if_xevar.h>
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#include <dev/pccard/pccardvar.h>
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#include <dev/pccard/pccard_cis.h>
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#include "card_if.h"
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#include "pccarddevs.h"
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/*
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* Debug logging levels - set with hw.xe.debug sysctl
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* 0 = None
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* 1 = More hardware details, probe/attach progress
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* 2 = Most function calls, ioctls and media selection progress
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* 3 = Everything - interrupts, packets in/out and multicast address setup
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*/
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#define XE_DEBUG
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#ifdef XE_DEBUG
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extern int xe_debug;
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#define DEVPRINTF(level, arg) if (xe_debug >= (level)) device_printf arg
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#define DPRINTF(level, arg) if (xe_debug >= (level)) printf arg
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#else
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#define DEVPRINTF(level, arg)
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#define DPRINTF(level, arg)
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#endif
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#define XE_CARD_TYPE_FLAGS_NO 0x0
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#define XE_CARD_TYPE_FLAGS_CE2 0x1
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#define XE_CARD_TYPE_FLAGS_MOHAWK 0x2
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#define XE_CARD_TYPE_FLAGS_DINGO 0x4
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#define XE_PROD_ETHER_MASK 0x0100
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#define XE_PROD_MODEM_MASK 0x1000
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#define XE_BOGUS_MAC_OFFSET 0x90
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/* MAC vendor prefix used by most Xircom cards is 00:80:c7 */
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#define XE_MAC_ADDR_0 0x00
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#define XE_MAC_ADDR_1 0x80
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#define XE_MAC_ADDR_2 0xc7
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/* Some (all?) REM56 cards have vendor prefix 00:10:a4 */
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#define XE_REM56_MAC_ADDR_0 0x00
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#define XE_REM56_MAC_ADDR_1 0x10
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#define XE_REM56_MAC_ADDR_2 0xa4
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struct xe_pccard_product {
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struct pccard_product product;
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uint16_t prodext;
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uint16_t flags;
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};
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static const struct xe_pccard_product xe_pccard_products[] = {
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{ PCMCIA_CARD_D(COMPAQ, CPQ550), 0x43, XE_CARD_TYPE_FLAGS_CE2 },
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{ PCMCIA_CARD_D(COMPAQ2, CPQ_10_100), 0x43, XE_CARD_TYPE_FLAGS_MOHAWK },
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{ PCMCIA_CARD_D(INTEL, EEPRO100), 0x43, XE_CARD_TYPE_FLAGS_MOHAWK },
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{ PCMCIA_CARD_D(INTEL, PRO100LAN56), 0x46, XE_CARD_TYPE_FLAGS_DINGO },
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{ PCMCIA_CARD_D(RACORE, ACCTON_EN2226),0x43, XE_CARD_TYPE_FLAGS_MOHAWK },
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{ PCMCIA_CARD_D(XIRCOM, CE), 0x41, XE_CARD_TYPE_FLAGS_NO },
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{ PCMCIA_CARD_D(XIRCOM, CE2), 0x41, XE_CARD_TYPE_FLAGS_CE2 },
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{ PCMCIA_CARD_D(XIRCOM, CE2), 0x42, XE_CARD_TYPE_FLAGS_CE2 },
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{ PCMCIA_CARD_D(XIRCOM, CE2_2), 0x41, XE_CARD_TYPE_FLAGS_CE2 },
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{ PCMCIA_CARD_D(XIRCOM, CE2_2), 0x42, XE_CARD_TYPE_FLAGS_CE2 },
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{ PCMCIA_CARD_D(XIRCOM, CE3), 0x43, XE_CARD_TYPE_FLAGS_MOHAWK },
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{ PCMCIA_CARD_D(XIRCOM, CEM), 0x41, XE_CARD_TYPE_FLAGS_NO },
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{ PCMCIA_CARD_D(XIRCOM, CEM2), 0x42, XE_CARD_TYPE_FLAGS_CE2 },
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{ PCMCIA_CARD_D(XIRCOM, CEM28), 0x43, XE_CARD_TYPE_FLAGS_CE2 },
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{ PCMCIA_CARD_D(XIRCOM, CEM33), 0x44, XE_CARD_TYPE_FLAGS_CE2 },
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{ PCMCIA_CARD_D(XIRCOM, CEM33_2), 0x44, XE_CARD_TYPE_FLAGS_CE2 },
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{ PCMCIA_CARD_D(XIRCOM, CEM56), 0x45, XE_CARD_TYPE_FLAGS_DINGO },
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{ PCMCIA_CARD_D(XIRCOM, CEM56_2), 0x46, XE_CARD_TYPE_FLAGS_DINGO },
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{ PCMCIA_CARD_D(XIRCOM, REM56), 0x46, XE_CARD_TYPE_FLAGS_DINGO },
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{ PCMCIA_CARD_D(XIRCOM, REM10), 0x47, XE_CARD_TYPE_FLAGS_DINGO },
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{ PCMCIA_CARD_D(XIRCOM, XEM5600), 0x56, XE_CARD_TYPE_FLAGS_DINGO },
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{ { NULL }, 0, 0 }
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};
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/*
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* Fixing for CEM2, CEM3 and CEM56/REM56 cards. These need some magic to
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* enable the Ethernet function, which isn't mentioned anywhere in the CIS.
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* Despite the register names, most of this isn't Dingo-specific.
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*/
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static int
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xe_cemfix(device_t dev)
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{
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struct xe_softc *sc = device_get_softc(dev);
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int ioport;
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DEVPRINTF(2, (dev, "cemfix\n"));
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DEVPRINTF(1, (dev, "CEM I/O port 0x%0lx, size 0x%0lx\n",
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bus_get_resource_start(dev, SYS_RES_IOPORT, sc->port_rid),
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bus_get_resource_count(dev, SYS_RES_IOPORT, sc->port_rid)));
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pccard_attr_write_1(dev, DINGO_ECOR, DINGO_ECOR_IRQ_LEVEL |
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DINGO_ECOR_INT_ENABLE | DINGO_ECOR_IOB_ENABLE |
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DINGO_ECOR_ETH_ENABLE);
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ioport = bus_get_resource_start(dev, SYS_RES_IOPORT, sc->port_rid);
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pccard_attr_write_1(dev, DINGO_EBAR0, ioport & 0xff);
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pccard_attr_write_1(dev, DINGO_EBAR1, (ioport >> 8) & 0xff);
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if (sc->dingo) {
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pccard_attr_write_1(dev, DINGO_DCOR0, DINGO_DCOR0_SF_INT);
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pccard_attr_write_1(dev, DINGO_DCOR1, DINGO_DCOR1_INT_LEVEL |
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DINGO_DCOR1_EEDIO);
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pccard_attr_write_1(dev, DINGO_DCOR2, 0x00);
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pccard_attr_write_1(dev, DINGO_DCOR3, 0x00);
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pccard_attr_write_1(dev, DINGO_DCOR4, 0x00);
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}
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/* success! */
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return (0);
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}
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static int
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xe_pccard_product_match(device_t dev, const struct pccard_product* ent,
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int vpfmatch)
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{
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const struct xe_pccard_product* xpp;
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uint16_t prodext;
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if (vpfmatch == 0)
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return (0);
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xpp = (const struct xe_pccard_product*)ent;
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pccard_get_prodext(dev, &prodext);
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if (xpp->prodext != prodext)
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vpfmatch = 0;
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else
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vpfmatch++;
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return (vpfmatch);
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}
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static const struct xe_pccard_product *
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xe_pccard_get_product(device_t dev)
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{
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return ((const struct xe_pccard_product *)pccard_product_lookup(dev,
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(const struct pccard_product *)xe_pccard_products,
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sizeof(xe_pccard_products[0]), xe_pccard_product_match));
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}
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/*
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* Fixing for CE2-class cards with bogus CIS entry for MAC address.
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*/
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static int
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xe_pccard_mac(const struct pccard_tuple *tuple, void *argp)
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{
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uint8_t *enaddr = argp, test;
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int i;
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/* Code 0x89 is Xircom special cis node contianing the MAC */
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if (tuple->code != 0x89)
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return (0);
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/* Make sure this is a sane node */
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if (tuple->length != ETHER_ADDR_LEN + 2)
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return (0);
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test = pccard_tuple_read_1(tuple, 0);
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if (test != PCCARD_TPLFE_TYPE_LAN_NID)
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return (0);
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test = pccard_tuple_read_1(tuple, 1);
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if (test != ETHER_ADDR_LEN)
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return (0);
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/* Copy the MAC ADDR and return success */
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for (i = 0; i < ETHER_ADDR_LEN; i++)
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enaddr[i] = pccard_tuple_read_1(tuple, i + 2);
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return (1);
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}
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static int
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xe_bad_mac(uint8_t *enaddr)
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{
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int i;
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uint8_t sum;
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for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
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sum |= enaddr[i];
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return (sum == 0);
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}
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/*
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* PCMCIA attach routine.
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* Identify the device. Called from the bus driver when the card is
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* inserted or otherwise powers up.
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*/
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static int
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xe_pccard_attach(device_t dev)
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{
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struct xe_softc *scp = device_get_softc(dev);
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uint32_t vendor,product;
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uint16_t prodext;
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const char* vendor_str = NULL;
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const char* product_str = NULL;
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const char* cis4_str = NULL;
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const char *cis3_str=NULL;
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const struct xe_pccard_product *xpp;
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int err;
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DEVPRINTF(2, (dev, "pccard_attach\n"));
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pccard_get_vendor(dev, &vendor);
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pccard_get_product(dev, &product);
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pccard_get_prodext(dev, &prodext);
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pccard_get_vendor_str(dev, &vendor_str);
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pccard_get_product_str(dev, &product_str);
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pccard_get_cis3_str(dev, &cis3_str);
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pccard_get_cis4_str(dev, &cis4_str);
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DEVPRINTF(1, (dev, "vendor = 0x%04x\n", vendor));
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DEVPRINTF(1, (dev, "product = 0x%04x\n", product));
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DEVPRINTF(1, (dev, "prodext = 0x%02x\n", prodext));
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DEVPRINTF(1, (dev, "vendor_str = %s\n", vendor_str));
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DEVPRINTF(1, (dev, "product_str = %s\n", product_str));
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DEVPRINTF(1, (dev, "cis3_str = %s\n", cis3_str));
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DEVPRINTF(1, (dev, "cis4_str = %s\n", cis4_str));
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xpp = xe_pccard_get_product(dev);
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if (xpp == NULL)
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return (ENXIO);
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/* Set various card ID fields in softc */
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scp->vendor = vendor_str;
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scp->card_type = product_str;
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if (xpp->flags & XE_CARD_TYPE_FLAGS_CE2)
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scp->ce2 = 1;
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if (xpp->flags & XE_CARD_TYPE_FLAGS_MOHAWK)
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scp->mohawk = 1;
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if (xpp->flags & XE_CARD_TYPE_FLAGS_DINGO) {
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scp->dingo = 1;
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scp->mohawk = 1;
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}
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if (xpp->product.pp_product & XE_PROD_MODEM_MASK)
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scp->modem = 1;
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/* Get MAC address */
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pccard_get_ether(dev, scp->enaddr);
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/* Deal with bogus MAC address */
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if (xe_bad_mac(scp->enaddr) &&
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!pccard_cis_scan(dev, xe_pccard_mac, scp->enaddr)) {
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device_printf(dev,
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"Unable to find MAC address for your %s card\n",
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device_get_desc(dev));
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return (ENXIO);
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}
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if ((err = xe_activate(dev)) != 0)
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return (err);
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/* Hack RealPorts into submission */
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if (scp->modem && xe_cemfix(dev) < 0) {
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device_printf(dev, "Unable to fix your %s combo card\n",
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device_get_desc(dev));
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xe_deactivate(dev);
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return (ENXIO);
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}
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if ((err = xe_attach(dev))) {
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device_printf(dev, "xe_attach() failed! (%d)\n", err);
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xe_deactivate(dev);
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return (err);
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}
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return (0);
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}
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/*
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* The device entry is being removed, probably because someone ejected the
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* card. The interface should have been brought down manually before calling
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* this function; if not you may well lose packets. In any case, I shut down
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* the card and the interface, and hope for the best.
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*/
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static int
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xe_pccard_detach(device_t dev)
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{
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struct xe_softc *sc = device_get_softc(dev);
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DEVPRINTF(2, (dev, "pccard_detach\n"));
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XE_LOCK(sc);
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xe_stop(sc);
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XE_UNLOCK(sc);
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callout_drain(&sc->media_timer);
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callout_drain(&sc->wdog_timer);
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ether_ifdetach(sc->ifp);
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xe_deactivate(dev);
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mtx_destroy(&sc->lock);
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return (0);
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}
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static int
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xe_pccard_probe(device_t dev)
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{
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const struct xe_pccard_product *xpp;
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DEVPRINTF(2, (dev, "pccard_probe\n"));
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/*
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* Xircom cards aren't proper MFC cards, so we have to take all
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* cards that match, not just ones that are network.
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*/
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/* If we match something in the table, it is our device. */
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if ((xpp = xe_pccard_get_product(dev)) == NULL)
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return (ENXIO);
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/* Set card name for logging later */
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if (xpp->product.pp_name != NULL)
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device_set_desc(dev, xpp->product.pp_name);
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/* Reject known but unsupported cards */
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if (xpp->flags & XE_CARD_TYPE_FLAGS_NO) {
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device_printf(dev, "Sorry, your %s card is not supported :(\n",
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device_get_desc(dev));
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return (ENXIO);
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}
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return (0);
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}
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static device_method_t xe_pccard_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, xe_pccard_probe),
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DEVMETHOD(device_attach, xe_pccard_attach),
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DEVMETHOD(device_detach, xe_pccard_detach),
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{ 0, 0 }
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};
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static driver_t xe_pccard_driver = {
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"xe",
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xe_pccard_methods,
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sizeof(struct xe_softc),
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};
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devclass_t xe_devclass;
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DRIVER_MODULE(xe, pccard, xe_pccard_driver, xe_devclass, 0, 0);
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