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NetBSD/sys/dev/pci/iwic_pci.c

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Driver for Winbond W6692 passive ISDN cards. Ported from the FreeBSD driver by Ilpo Ruotsalainen <lonewolf@cubical.fi>, and reviewed by Martin.
2002-09-25 02:05:19 +04:00
/* $NetBSD: iwic_pci.c,v 1.1 2002/09/24 22:05:19 pooka Exp $ */
/*
* Copyright (c) 1999, 2000 Dave Boyce. All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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.
*
*---------------------------------------------------------------------------
*
* i4b_iwic - isdn4bsd Winbond W6692 driver
* ----------------------------------------
*
* $FreeBSD$
*
* last edit-date: [Tue Jan 16 10:53:03 2001]
*
*---------------------------------------------------------------------------*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: iwic_pci.c,v 1.1 2002/09/24 22:05:19 pooka Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/callout.h>
#include <net/if.h>
#include <machine/bus.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <netisdn/i4b_global.h>
#include <dev/pci/iwicreg.h>
#include <dev/pci/iwicvar.h>
/* Winbond PCI Configuration Space */
#define IWIC_PCI_IOBA (PCI_MAPREG_START+0x04)
static int iwic_pci_intr(void *sc);
static int iwic_pci_probe(struct device * dev, struct cfdata * match, void *aux);
static void iwic_pci_attach(struct device * parent, struct device * dev, void *aux);
static int iwic_pci_activate(struct device * dev, enum devact);
struct cfattach iwic_pci_ca = {
sizeof(struct iwic_softc),
iwic_pci_probe,
iwic_pci_attach,
0,
iwic_pci_activate
};
static int iwic_attach_bri(struct iwic_softc * sc);
/*---------------------------------------------------------------------------*
* PCI ID list for ASUSCOM card got from Asuscom in March 2000:
*
* Vendor ID: 0675 Device ID: 1702
* Vendor ID: 0675 Device ID: 1703
* Vendor ID: 0675 Device ID: 1707
* Vendor ID: 10CF Device ID: 105E
* Vendor ID: 1043 Device ID: 0675 SubVendor: 144F SubDevice ID: 2000
* Vendor ID: 1043 Device ID: 0675 SubVendor: 144F SubDevice ID: 1702
* Vendor ID: 1043 Device ID: 0675 SubVendor: 144F SubDevice ID: 1707
* Vendor ID: 1043 Device ID: 0675 SubVendor: 1043 SubDevice ID: 1702
* Vendor ID: 1043 Device ID: 0675 SubVendor: 1043 SubDevice ID: 1707
* Vendor ID: 1050 Device ID: 6692 SubVendor: 0675 SubDevice ID: 1702
*---------------------------------------------------------------------------*/
static struct winids {
pcireg_t type;
int sv;
int sd;
const char *desc;
} win_ids[] = {
{
PCI_ID_CODE(PCI_VENDOR_WINBOND,PCI_PRODUCT_WINBOND_W6692),
0x144F,
0x1707,
"Planet PCI ISDN Adapter (Model IA128P-STDV)"
},
{
PCI_ID_CODE(PCI_VENDOR_WINBOND,PCI_PRODUCT_WINBOND_W6692),
-1,
-1,
"Generic Winbond W6692 ISDN PCI"
},
{
PCI_ID_CODE(PCI_VENDOR_DYNALINK,PCI_PRODUCT_DYNALINK_IS64PH),
-1,
-1,
"ASUSCOM P-IN100-ST-D"
},
#if 0
/* XXX */
{
PCI_ID_CODE(PCI_VENDOR_DYNALINK,0x1703),
-1,
-1,
"ASUSCOM P-IN100-ST-D"
},
{
PCI_ID_CODE(PCI_VENDOR_DYNALINK,0x1707),
-1,
-1,
"ASUSCOM P-IN100-ST-D"
},
{
PCI_ID_CODE(PCI_VENDOR_CITICORP,0x105E),
-1,
-1,
"ASUSCOM P-IN100-ST-D"
},
#endif
{
PCI_ID_CODE(PCI_VENDOR_ASUSTEK,PCI_PRODUCT_ASUSTEK_HFCPCI),
0x144F,
0x2000,
"ASUSCOM P-IN100-ST-D"
},
{
PCI_ID_CODE(PCI_VENDOR_ASUSTEK,PCI_PRODUCT_ASUSTEK_HFCPCI),
0x144F,
0x1702,
"ASUSCOM P-IN100-ST-D"
},
{
PCI_ID_CODE(PCI_VENDOR_ASUSTEK,PCI_PRODUCT_ASUSTEK_HFCPCI),
0x144F,
0x1707,
"ASUSCOM P-IN100-ST-D"
},
{
PCI_ID_CODE(PCI_VENDOR_ASUSTEK,PCI_PRODUCT_ASUSTEK_HFCPCI),
0x1443,
0x1702,
"ASUSCOM P-IN100-ST-D"
},
{
PCI_ID_CODE(PCI_VENDOR_ASUSTEK,PCI_PRODUCT_ASUSTEK_HFCPCI),
0x1443,
0x1707,
"ASUSCOM P-IN100-ST-D"
},
{
PCI_ID_CODE(PCI_VENDOR_ASUSTEK,PCI_PRODUCT_ASUSTEK_HFCPCI),
0x144F,
0x2000,
"ASUSCOM P-IN100-ST-D"
},
{
PCI_ID_CODE(PCI_VENDOR_ASUSTEK,PCI_PRODUCT_ASUSTEK_HFCPCI),
0x144F,
0x2000,
"ASUSCOM P-IN100-ST-D"
},
{
PCI_ID_CODE(PCI_VENDOR_ASUSTEK,PCI_PRODUCT_ASUSTEK_HFCPCI),
0x144F,
0x2000,
"ASUSCOM P-IN100-ST-D"
},
{
0x00000000,
0,
0,
NULL
}
};
static const char *
iwic_find_card(const struct pci_attach_args * pa)
{
pcireg_t type = pa->pa_id;
pcireg_t reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
int sv = PCI_VENDOR(reg);
int sd = PCI_PRODUCT(reg);
struct winids *wip = win_ids;
while (wip->type) {
if (wip->type == type) {
if (((wip->sv == -1) && (wip->sd == -1)) ||
((wip->sv == sv) && (wip->sd == sd)))
break;
}
++wip;
}
if (wip->desc)
return wip->desc;
return 0;
}
/*---------------------------------------------------------------------------*
* iwic PCI probe
*---------------------------------------------------------------------------*/
static int
iwic_pci_probe(struct device * dev, struct cfdata * match, void *aux)
{
if (iwic_find_card(aux))
return 1;
return 0;
}
/*---------------------------------------------------------------------------*
* PCI attach
*---------------------------------------------------------------------------*/
static void
iwic_pci_attach(struct device * parent, struct device * dev, void *aux)
{
struct iwic_softc *sc = (void *) dev;
struct iwic_bchan *bchan;
pci_intr_handle_t ih;
const char *intrstr;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
sc->sc_cardname = iwic_find_card(pa);
if (!sc->sc_cardname)
return; /* Huh? */
printf(": %s\n", sc->sc_cardname);
if (pci_mapreg_map(pa, IWIC_PCI_IOBA, PCI_MAPREG_TYPE_IO, 0,
&sc->sc_io_bt, &sc->sc_io_bh, &sc->sc_iobase, &sc->sc_iosize)) {
printf("%s: unable to map registers\n", sc->sc_dev.dv_xname);
return;
}
if (pci_intr_map(pa, &ih)) {
printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
return;
}
intrstr = pci_intr_string(pc, ih);
sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, iwic_pci_intr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
sc->sc_pc = pc;
printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
/* disable interrupts */
IWIC_WRITE(sc, IMASK, 0xff);
IWIC_READ(sc, ISTA);
iwic_dchan_init(sc);
bchan = &sc->sc_bchan[IWIC_BCH_A];
bchan->offset = B1_CHAN_OFFSET;
bchan->channel = IWIC_BCH_A;
bchan->state = ST_IDLE;
iwic_bchannel_setup(sc, IWIC_BCH_A, BPROT_NONE, 0);
bchan = &sc->sc_bchan[IWIC_BCH_B];
bchan->offset = B2_CHAN_OFFSET;
bchan->channel = IWIC_BCH_B;
bchan->state = ST_IDLE;
iwic_bchannel_setup(sc, IWIC_BCH_B, BPROT_NONE, 0);
iwic_init_linktab(sc);
iwic_attach_bri(sc);
}
/*---------------------------------------------------------------------------*
* IRQ handler
*---------------------------------------------------------------------------*/
static int
iwic_pci_intr(void *p)
{
struct iwic_softc *sc = p;
while (1) {
int irq_stat = IWIC_READ(sc, ISTA);
if (irq_stat == 0)
break;
if (irq_stat & (ISTA_D_RME | ISTA_D_RMR | ISTA_D_XFR)) {
iwic_dchan_xfer_irq(sc, irq_stat);
}
if (irq_stat & ISTA_D_EXI) {
iwic_dchan_xirq(sc);
}
if (irq_stat & ISTA_B1_EXI) {
iwic_bchan_xirq(sc, 0);
}
if (irq_stat & ISTA_B2_EXI) {
iwic_bchan_xirq(sc, 1);
}
}
return 0;
}
static int
iwic_pci_activate(struct device * dev, enum devact act)
{
int error = EOPNOTSUPP;
return error;
}
int iwic_ph_data_req(isdn_layer1token t, struct mbuf * m, int freeflag);
int iwic_ph_activate_req(isdn_layer1token t);
int iwic_mph_command_req(isdn_layer1token t, int command, void *parm);
struct isdn_layer1_bri_driver iwic_bri_driver = {
iwic_ph_data_req,
iwic_ph_activate_req,
iwic_mph_command_req
};
void iwic_set_link(void *, int channel, const struct isdn_l4_driver_functions * l4_driver, void *l4_driver_softc);
isdn_link_t *iwic_ret_linktab(void *, int channel);
/* XXX Should be prototyped in some header, not here XXX */
void n_connect_request(struct call_desc * cd);
void n_connect_response(struct call_desc * cd, int response, int cause);
void n_disconnect_request(struct call_desc * cd, int cause);
void n_alert_request(struct call_desc * cd);
void n_mgmt_command(struct isdn_l3_driver * drv, int cmd, void *parm);
const struct isdn_l3_driver_functions iwic_l3_driver = {
iwic_ret_linktab,
iwic_set_link,
n_connect_request,
n_connect_response,
n_disconnect_request,
n_alert_request,
NULL,
NULL,
n_mgmt_command
};
static int
iwic_attach_bri(struct iwic_softc * sc)
{
struct isdn_l3_driver *drv;
drv = isdn_attach_bri(sc->sc_dev.dv_xname, sc->sc_cardname, &sc->sc_l2, &iwic_l3_driver);
sc->sc_l3token = drv;
sc->sc_l2.driver = &iwic_bri_driver;
sc->sc_l2.l1_token = sc;
sc->sc_l2.drv = drv;
isdn_layer2_status_ind(&sc->sc_l2, drv, STI_ATTACH, 1);
isdn_bri_ready(drv->bri);
return 1;
}
int
iwic_ph_data_req(isdn_layer1token t, struct mbuf * m, int freeflag)
{
struct iwic_softc *sc = t;
return iwic_dchan_data_req(sc, m, freeflag);
}
int
iwic_ph_activate_req(isdn_layer1token t)
{
struct iwic_softc *sc = t;
iwic_next_state(sc, EV_PHAR);
return 0;
}
int
iwic_mph_command_req(isdn_layer1token t, int command, void *parm)
{
struct iwic_softc *sc = t;
switch (command) {
case CMR_DOPEN: /* Daemon running */
NDBGL1(L1_PRIM, "CMR_DOPEN");
IWIC_WRITE(sc, IMASK, IMASK_XINT0 | IMASK_XINT1);
break;
case CMR_DCLOSE: /* Daemon not running */
NDBGL1(L1_PRIM, "CMR_DCLOSE");
IWIC_WRITE(sc, IMASK, 0xff);
break;
case CMR_SETTRACE:
NDBGL1(L1_PRIM, "CMR_SETTRACE, parm = %d", (unsigned int
) parm);
sc->sc_trace = (unsigned int) parm;
break;
default:
NDBGL1(L1_PRIM, "unknown command = %d", command);
break;
}
return 0;
}
isdn_link_t *
iwic_ret_linktab(void *t, int channel)
{
struct l2_softc *l2sc = t;
struct iwic_softc *sc = l2sc->l1_token;
struct iwic_bchan *bchan = &sc->sc_bchan[channel];
return &bchan->iwic_isdn_linktab;
}
void
iwic_set_link(void *t, int channel, const struct isdn_l4_driver_functions * l4_driver, void *l4_driver_softc)
{
struct l2_softc *l2sc = t;
struct iwic_softc *sc = l2sc->l1_token;
struct iwic_bchan *bchan = &sc->sc_bchan[channel];
bchan->l4_driver = l4_driver;
bchan->l4_driver_softc = l4_driver_softc;
}