329 lines
8.5 KiB
C
329 lines
8.5 KiB
C
/* $NetBSD: isic_pci.c,v 1.39 2012/10/27 17:18:34 chs Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Martin Husemann <martin@NetBSD.org>.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: isic_pci.c,v 1.39 2012/10/27 17:18:34 chs Exp $");
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#include <sys/param.h>
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#include <sys/errno.h>
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#include <sys/syslog.h>
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#include <sys/device.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/callout.h>
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#include <sys/cpu.h>
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#include <sys/intr.h>
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#include <sys/bus.h>
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#include <sys/bus.h>
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#include <sys/intr.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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#include <netisdn/i4b_ioctl.h>
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#include <netisdn/i4b_global.h>
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#include <netisdn/i4b_debug.h>
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#include <netisdn/i4b_trace.h>
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#include <netisdn/i4b_l2.h>
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#include <netisdn/i4b_l1l2.h>
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#include <dev/ic/isic_l1.h>
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#include <dev/ic/ipac.h>
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#include <dev/ic/isac.h>
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#include <dev/ic/hscx.h>
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#include <dev/pci/isic_pci.h>
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extern const struct isdn_layer1_isdnif_driver isic_std_driver;
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static int isic_pci_match(device_t, cfdata_t, void *);
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static void isic_pci_attach(device_t, device_t, void *);
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static const struct isic_pci_product * find_matching_card(struct pci_attach_args *pa);
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static void isic_pci_isdn_attach(struct pci_isic_softc *psc, struct pci_attach_args *pa, const char *cardname);
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static int isic_pci_detach(device_t self, int flags);
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static int isic_pci_activate(device_t self, enum devact act);
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CFATTACH_DECL_NEW(isic_pci, sizeof(struct pci_isic_softc),
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isic_pci_match, isic_pci_attach, isic_pci_detach, isic_pci_activate);
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static const struct isic_pci_product {
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pci_vendor_id_t npp_vendor;
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pci_product_id_t npp_product;
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int cardtype;
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const char * name;
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int (*attach)(struct pci_isic_softc *psc, struct pci_attach_args *pa);
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void (*pciattach)(struct pci_isic_softc *psc, struct pci_attach_args *pa, const char *cardname);
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} isic_pci_products[] = {
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{ PCI_VENDOR_ELSA, PCI_PRODUCT_ELSA_QS1PCI,
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CARD_TYPEP_ELSAQS1PCI,
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"ELSA QuickStep 1000pro/PCI",
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isic_attach_Eqs1pp, /* card specific initialization */
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isic_pci_isdn_attach /* generic setup for ISAC/HSCX or IPAC boards */
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},
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{ 0, 0, 0, NULL, NULL, NULL },
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};
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static const struct isic_pci_product * find_matching_card(
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struct pci_attach_args *pa)
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{
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const struct isic_pci_product * pp = NULL;
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for (pp = isic_pci_products; pp->npp_vendor; pp++)
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if (PCI_VENDOR(pa->pa_id) == pp->npp_vendor &&
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PCI_PRODUCT(pa->pa_id) == pp->npp_product)
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return pp;
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return NULL;
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}
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/*
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* Match card
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*/
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static int
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isic_pci_match(device_t parent, cfdata_t match, void *aux)
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{
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struct pci_attach_args *pa = aux;
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if (!find_matching_card(pa))
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return 0;
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return 1;
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}
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/*
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* Attach the card
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*/
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static void
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isic_pci_attach(device_t parent, device_t self, void *aux)
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{
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struct pci_isic_softc *psc = device_private(self);
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struct isic_softc *sc = &psc->sc_isic;
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struct pci_attach_args *pa = aux;
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const struct isic_pci_product * prod;
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sc->sc_dev = self;
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/* Redo probe */
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prod = find_matching_card(pa);
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if (prod == NULL) return; /* oops - not found?!? */
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printf(": %s\n", prod->name);
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callout_init(&sc->sc_T3_callout, 0);
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callout_init(&sc->sc_T4_callout, 0);
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/* card initilization and sc setup */
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if (!prod->attach(psc, pa))
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return;
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/* generic setup, if needed for this card */
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if (prod->pciattach)
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prod->pciattach(psc, pa, prod->name);
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}
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/*---------------------------------------------------------------------------*
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* isic - pci device driver attach routine
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*---------------------------------------------------------------------------*/
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static void
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isic_pci_isdn_attach(struct pci_isic_softc *psc, struct pci_attach_args *pa, const char *cardname)
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{
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struct isic_softc *sc = &psc->sc_isic;
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pci_chipset_tag_t pc = pa->pa_pc;
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pci_intr_handle_t ih;
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const char *intrstr;
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static const char *ISACversion[] = {
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"2085 Version A1/A2 or 2086/2186 Version 1.1",
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"2085 Version B1",
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"2085 Version B2",
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"2085 Version V2.3 (B3)",
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"Unknown Version"
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};
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static const char *HSCXversion[] = {
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"82525 Version A1",
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"Unknown (0x01)",
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"82525 Version A2",
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"Unknown (0x03)",
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"82525 Version A3",
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"82525 or 21525 Version 2.1",
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"Unknown Version"
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};
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sc->sc_isac_version = 0;
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sc->sc_hscx_version = 0;
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if(sc->sc_ipac)
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{
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u_int ret = IPAC_READ(IPAC_ID);
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switch(ret)
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{
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case 0x01:
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printf("%s: IPAC PSB2115 Version 1.1\n", device_xname(sc->sc_dev));
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break;
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case 0x02:
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printf("%s: IPAC PSB2115 Version 1.2\n", device_xname(sc->sc_dev));
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break;
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default:
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printf("%s: Error, IPAC version %d unknown!\n",
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device_xname(sc->sc_dev), ret);
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return;
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}
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}
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else
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{
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sc->sc_isac_version = ((ISAC_READ(I_RBCH)) >> 5) & 0x03;
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switch(sc->sc_isac_version)
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{
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case ISAC_VA:
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case ISAC_VB1:
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case ISAC_VB2:
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case ISAC_VB3:
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printf("%s: ISAC %s (IOM-%c)\n",
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device_xname(sc->sc_dev),
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ISACversion[sc->sc_isac_version],
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sc->sc_bustyp == BUS_TYPE_IOM1 ? '1' : '2');
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break;
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default:
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printf("%s: Error, ISAC version %d unknown!\n",
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device_xname(sc->sc_dev), sc->sc_isac_version);
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return;
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}
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sc->sc_hscx_version = HSCX_READ(0, H_VSTR) & 0xf;
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switch(sc->sc_hscx_version)
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{
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case HSCX_VA1:
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case HSCX_VA2:
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case HSCX_VA3:
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case HSCX_V21:
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printf("%s: HSCX %s\n",
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device_xname(sc->sc_dev),
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HSCXversion[sc->sc_hscx_version]);
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break;
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default:
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printf("%s: Error, HSCX version %d unknown!\n",
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device_xname(sc->sc_dev), sc->sc_hscx_version);
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return;
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}
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}
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/* Map and establish the interrupt. */
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if (pci_intr_map(pa, &ih)) {
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aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
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return;
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}
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intrstr = pci_intr_string(pc, ih);
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psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, isic_intr_qs1p, psc);
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if (psc->sc_ih == NULL) {
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aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
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if (intrstr != NULL)
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aprint_error(" at %s", intrstr);
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aprint_error("\n");
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return;
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}
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psc->sc_pc = pc;
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aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
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sc->sc_intr_valid = ISIC_INTR_DISABLED;
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/* HSCX setup */
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isic_bchannel_setup(sc, HSCX_CH_A, BPROT_NONE, 0);
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isic_bchannel_setup(sc, HSCX_CH_B, BPROT_NONE, 0);
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/* setup linktab */
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isic_init_linktab(sc);
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/* set trace level */
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sc->sc_trace = TRACE_OFF;
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sc->sc_state = ISAC_IDLE;
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sc->sc_ibuf = NULL;
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sc->sc_ib = NULL;
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sc->sc_ilen = 0;
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sc->sc_obuf = NULL;
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sc->sc_op = NULL;
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sc->sc_ol = 0;
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sc->sc_freeflag = 0;
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sc->sc_obuf2 = NULL;
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sc->sc_freeflag2 = 0;
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/* init higher protocol layers */
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isic_attach_bri(sc, cardname, &isic_std_driver);
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}
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static int
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isic_pci_detach(device_t self, int flags)
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{
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struct pci_isic_softc *psc = device_private(self);
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bus_space_unmap(psc->sc_isic.sc_maps[0].t, psc->sc_isic.sc_maps[0].h, psc->sc_size);
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bus_space_free(psc->sc_isic.sc_maps[0].t, psc->sc_isic.sc_maps[0].h, psc->sc_size);
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pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
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return (0);
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}
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static int
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isic_pci_activate(device_t self, enum devact act)
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{
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struct pci_isic_softc *psc = device_private(self);
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switch (act) {
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case DVACT_DEACTIVATE:
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psc->sc_isic.sc_intr_valid = ISIC_INTR_DYING;
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isic_detach_bri(&psc->sc_isic);
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return 0;
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default:
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return EOPNOTSUPP;
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}
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}
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