NetBSD-5.0.2/sys/dev/pci/isic_pci.c
/* $NetBSD: isic_pci.c,v 1.31 2008/04/28 20:23:55 martin Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Martin Husemann <martin@NetBSD.org>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: isic_pci.c,v 1.31 2008/04/28 20:23:55 martin Exp $");
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <sys/socket.h>
#include <net/if.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/callout.h>
#include <sys/cpu.h>
#include <sys/intr.h>
#include <sys/bus.h>
#include <sys/bus.h>
#include <sys/intr.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <netisdn/i4b_ioctl.h>
#include <netisdn/i4b_global.h>
#include <netisdn/i4b_debug.h>
#include <netisdn/i4b_trace.h>
#include <netisdn/i4b_l2.h>
#include <netisdn/i4b_l1l2.h>
#include <dev/ic/isic_l1.h>
#include <dev/ic/ipac.h>
#include <dev/ic/isac.h>
#include <dev/ic/hscx.h>
#include <dev/pci/isic_pci.h>
extern const struct isdn_layer1_isdnif_driver isic_std_driver;
static int isic_pci_match(struct device *, struct cfdata *, void *);
static void isic_pci_attach(struct device *, struct device *, void *);
static const struct isic_pci_product * find_matching_card(struct pci_attach_args *pa);
static void isic_pci_isdn_attach(struct pci_isic_softc *psc, struct pci_attach_args *pa, const char *cardname);
static int isic_pci_detach(struct device *self, int flags);
static int isic_pci_activate(struct device *self, enum devact act);
CFATTACH_DECL(isic_pci, sizeof(struct pci_isic_softc),
isic_pci_match, isic_pci_attach, isic_pci_detach, isic_pci_activate);
static const struct isic_pci_product {
pci_vendor_id_t npp_vendor;
pci_product_id_t npp_product;
int cardtype;
const char * name;
int (*attach)(struct pci_isic_softc *psc, struct pci_attach_args *pa);
void (*pciattach)(struct pci_isic_softc *psc, struct pci_attach_args *pa, const char *cardname);
} isic_pci_products[] = {
{ PCI_VENDOR_ELSA, PCI_PRODUCT_ELSA_QS1PCI,
CARD_TYPEP_ELSAQS1PCI,
"ELSA QuickStep 1000pro/PCI",
isic_attach_Eqs1pp, /* card specific initialization */
isic_pci_isdn_attach /* generic setup for ISAC/HSCX or IPAC boards */
},
{ 0, 0, 0, NULL, NULL, NULL },
};
static const struct isic_pci_product * find_matching_card(pa)
struct pci_attach_args *pa;
{
const struct isic_pci_product * pp = NULL;
for (pp = isic_pci_products; pp->npp_vendor; pp++)
if (PCI_VENDOR(pa->pa_id) == pp->npp_vendor &&
PCI_PRODUCT(pa->pa_id) == pp->npp_product)
return pp;
return NULL;
}
/*
* Match card
*/
static int
isic_pci_match(struct device *parent,
struct cfdata *match, void *aux)
{
struct pci_attach_args *pa = aux;
if (!find_matching_card(pa))
return 0;
return 1;
}
/*
* Attach the card
*/
static void
isic_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct pci_isic_softc *psc = (void*) self;
struct isic_softc *sc = &psc->sc_isic;
struct pci_attach_args *pa = aux;
const struct isic_pci_product * prod;
/* Redo probe */
prod = find_matching_card(pa);
if (prod == NULL) return; /* oops - not found?!? */
printf(": %s\n", prod->name);
callout_init(&sc->sc_T3_callout, 0);
callout_init(&sc->sc_T4_callout, 0);
/* card initilization and sc setup */
if (!prod->attach(psc, pa))
return;
/* generic setup, if needed for this card */
if (prod->pciattach) prod->pciattach(psc, pa, prod->name);
}
/*---------------------------------------------------------------------------*
* isic - pci device driver attach routine
*---------------------------------------------------------------------------*/
static void
isic_pci_isdn_attach(psc, pa, cardname)
struct pci_isic_softc *psc;
struct pci_attach_args *pa;
const char *cardname;
{
struct isic_softc *sc = &psc->sc_isic;
pci_chipset_tag_t pc = pa->pa_pc;
pci_intr_handle_t ih;
const char *intrstr;
static const char *ISACversion[] = {
"2085 Version A1/A2 or 2086/2186 Version 1.1",
"2085 Version B1",
"2085 Version B2",
"2085 Version V2.3 (B3)",
"Unknown Version"
};
static const char *HSCXversion[] = {
"82525 Version A1",
"Unknown (0x01)",
"82525 Version A2",
"Unknown (0x03)",
"82525 Version A3",
"82525 or 21525 Version 2.1",
"Unknown Version"
};
sc->sc_isac_version = 0;
sc->sc_hscx_version = 0;
if(sc->sc_ipac)
{
u_int ret = IPAC_READ(IPAC_ID);
switch(ret)
{
case 0x01:
printf("%s: IPAC PSB2115 Version 1.1\n", device_xname(&sc->sc_dev));
break;
case 0x02:
printf("%s: IPAC PSB2115 Version 1.2\n", device_xname(&sc->sc_dev));
break;
default:
printf("%s: Error, IPAC version %d unknown!\n",
device_xname(&sc->sc_dev), ret);
return;
}
}
else
{
sc->sc_isac_version = ((ISAC_READ(I_RBCH)) >> 5) & 0x03;
switch(sc->sc_isac_version)
{
case ISAC_VA:
case ISAC_VB1:
case ISAC_VB2:
case ISAC_VB3:
printf("%s: ISAC %s (IOM-%c)\n",
device_xname(&sc->sc_dev),
ISACversion[sc->sc_isac_version],
sc->sc_bustyp == BUS_TYPE_IOM1 ? '1' : '2');
break;
default:
printf("%s: Error, ISAC version %d unknown!\n",
device_xname(&sc->sc_dev), sc->sc_isac_version);
return;
}
sc->sc_hscx_version = HSCX_READ(0, H_VSTR) & 0xf;
switch(sc->sc_hscx_version)
{
case HSCX_VA1:
case HSCX_VA2:
case HSCX_VA3:
case HSCX_V21:
printf("%s: HSCX %s\n",
device_xname(&sc->sc_dev),
HSCXversion[sc->sc_hscx_version]);
break;
default:
printf("%s: Error, HSCX version %d unknown!\n",
device_xname(&sc->sc_dev), sc->sc_hscx_version);
return;
}
}
/* Map and establish the interrupt. */
if (pci_intr_map(pa, &ih)) {
aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n");
return;
}
intrstr = pci_intr_string(pc, ih);
psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, isic_intr_qs1p, psc);
if (psc->sc_ih == NULL) {
aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
psc->sc_pc = pc;
printf("%s: interrupting at %s\n", device_xname(&sc->sc_dev), intrstr);
sc->sc_intr_valid = ISIC_INTR_DISABLED;
/* HSCX setup */
isic_bchannel_setup(sc, HSCX_CH_A, BPROT_NONE, 0);
isic_bchannel_setup(sc, HSCX_CH_B, BPROT_NONE, 0);
/* setup linktab */
isic_init_linktab(sc);
/* set trace level */
sc->sc_trace = TRACE_OFF;
sc->sc_state = ISAC_IDLE;
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
sc->sc_obuf = NULL;
sc->sc_op = NULL;
sc->sc_ol = 0;
sc->sc_freeflag = 0;
sc->sc_obuf2 = NULL;
sc->sc_freeflag2 = 0;
/* init higher protocol layers */
isic_attach_bri(sc, cardname, &isic_std_driver);
}
static int
isic_pci_detach(struct device *self, int flags)
{
struct pci_isic_softc *psc = (struct pci_isic_softc *)self;
bus_space_unmap(psc->sc_isic.sc_maps[0].t, psc->sc_isic.sc_maps[0].h, psc->sc_size);
bus_space_free(psc->sc_isic.sc_maps[0].t, psc->sc_isic.sc_maps[0].h, psc->sc_size);
pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
return (0);
}
static int
isic_pci_activate(struct device *self, enum devact act)
{
struct pci_isic_softc *psc = (struct pci_isic_softc *)self;
int error = 0, s;
s = splnet();
switch (act) {
case DVACT_ACTIVATE:
error = EOPNOTSUPP;
break;
case DVACT_DEACTIVATE:
psc->sc_isic.sc_intr_valid = ISIC_INTR_DYING;
isic_detach_bri(&psc->sc_isic);
break;
}
splx(s);
return (error);
}