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/*-
* Copyright (c) 2001, 2002 Hellmuth Michaelis. 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <net/if.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <isa/isavar.h>
#include <machine/i4b_debug.h>
#include <machine/i4b_ioctl.h>
#include <machine/i4b_trace.h>
#include <i4b/include/i4b_global.h>
#include <i4b/include/i4b_l3l4.h>
#include <i4b/include/i4b_mbuf.h>
#include <i4b/capi/capi.h>
#include <i4b/capi/iavc/iavc.h>
/* ISA driver linkage */
static void iavc_isa_intr(iavc_softc_t *sc);
static int iavc_isa_probe(device_t dev);
static int iavc_isa_attach(device_t dev);
static device_method_t iavc_isa_methods[] =
{
DEVMETHOD(device_probe, iavc_isa_probe),
DEVMETHOD(device_attach, iavc_isa_attach),
{ 0, 0 }
};
static driver_t iavc_isa_driver =
{
"iavc",
iavc_isa_methods,
0
};
static devclass_t iavc_isa_devclass;
DRIVER_MODULE(iavc, isa, iavc_isa_driver, iavc_isa_devclass, 0, 0);
#define B1_IOLENGTH 0x20
static int b1_irq_table[] =
{0, 0, 0, 192, 32, 160, 96, 224, 0, 64, 80, 208, 48, 0, 0, 112};
/* 3 4 5 6 7 9 10 11 12 15 */
/*---------------------------------------------------------------------------*
* device probe
*---------------------------------------------------------------------------*/
static int
iavc_isa_probe(device_t dev)
{
struct iavc_softc *sc;
int ret = ENXIO;
int unit = device_get_unit(dev);
if(isa_get_vendorid(dev)) /* no PnP probes here */
return ENXIO;
/* check max unit range */
if (unit >= IAVC_MAXUNIT)
{
printf("iavc%d: too many units\n", unit);
return(ENXIO);
}
sc = iavc_find_sc(unit); /* get softc */
sc->sc_unit = unit;
if (!(sc->sc_resources.io_base[0] =
bus_alloc_resource(dev, SYS_RES_IOPORT,
&sc->sc_resources.io_rid[0],
0UL, ~0UL, B1_IOLENGTH, RF_ACTIVE)))
{
printf("iavc%d: can't allocate io region\n", unit);
return(ENXIO);
}
sc->sc_iobase = rman_get_start(sc->sc_resources.io_base[0]);
switch(sc->sc_iobase)
{
case 0x150:
case 0x250:
case 0x300:
case 0x340:
break;
default:
printf("iavc%d: ERROR, invalid i/o base addr 0x%x configured!\n", sc->sc_unit, sc->sc_iobase);
bus_release_resource(dev, SYS_RES_IOPORT,
sc->sc_resources.io_rid[0],
sc->sc_resources.io_base[0]);
return(ENXIO);
}
sc->sc_io_bt = rman_get_bustag(sc->sc_resources.io_base[0]);
sc->sc_io_bh = rman_get_bushandle(sc->sc_resources.io_base[0]);
/* setup characteristics */
sc->sc_t1 = FALSE;
sc->sc_dma = FALSE;
sc->sc_capi.card_type = CARD_TYPEC_AVM_B1_ISA;
sc->sc_capi.sc_nbch = 2;
b1_reset(sc);
DELAY(100);
ret = b1_detect(sc);
if(ret)
{
printf("iavc%d: no card ? b1_detect returns %0x02x\n",
sc->sc_unit, ret);
return(ENXIO);
}
DELAY(100);
b1_reset(sc);
DELAY(100);
if(bootverbose)
{
printf("iavc%d: class = 0x%02x, rev = 0x%02x\n", sc->sc_unit,
iavc_read_port(sc, B1_ANALYSE),
iavc_read_port(sc, B1_REVISION));
}
device_set_desc(dev, "AVM B1 ISA");
return(0);
}
/*---------------------------------------------------------------------------*
* attach
*---------------------------------------------------------------------------*/
static int
iavc_isa_attach(device_t dev)
{
struct iavc_softc *sc;
void *ih = 0;
int unit = device_get_unit(dev);
int irq;
sc = iavc_find_sc(unit); /* get softc */
sc->sc_resources.irq_rid = 0;
if(!(sc->sc_resources.irq =
bus_alloc_resource_any(dev, SYS_RES_IRQ,
&sc->sc_resources.irq_rid, RF_ACTIVE)))
{
printf("iavc%d: can't allocate irq\n",unit);
bus_release_resource(dev, SYS_RES_IOPORT,
sc->sc_resources.io_rid[0],
sc->sc_resources.io_base[0]);
return(ENXIO);
}
irq = rman_get_start(sc->sc_resources.irq);
if(b1_irq_table[irq] == 0)
{
printf("iavc%d: ERROR, illegal irq %d configured!\n",unit, irq);
bus_release_resource(dev, SYS_RES_IOPORT,
sc->sc_resources.io_rid[0],
sc->sc_resources.io_base[0]);
bus_release_resource(dev, SYS_RES_IRQ,
sc->sc_resources.irq_rid,
sc->sc_resources.irq);
return(ENXIO);
}
memset(&sc->sc_txq, 0, sizeof(struct ifqueue));
sc->sc_txq.ifq_maxlen = sc->sc_capi.sc_nbch * 4;
if(!mtx_initialized(&sc->sc_txq.ifq_mtx))
mtx_init(&sc->sc_txq.ifq_mtx, "i4b_ivac_isa", NULL, MTX_DEF);
sc->sc_intr = FALSE;
sc->sc_state = IAVC_DOWN;
sc->sc_blocked = FALSE;
/* setup capi link */
sc->sc_capi.load = iavc_load;
sc->sc_capi.reg_appl = iavc_register;
sc->sc_capi.rel_appl = iavc_release;
sc->sc_capi.send = iavc_send;
sc->sc_capi.ctx = (void*) sc;
if (capi_ll_attach(&sc->sc_capi))
{
printf("iavc%d: capi attach failed\n", unit);
return(ENXIO);
}
/* setup the interrupt */
if(bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
NULL, (void(*)(void*))iavc_isa_intr,
sc, &ih))
{
printf("iavc%d: irq setup failed\n", unit);
bus_release_resource(dev, SYS_RES_IOPORT,
sc->sc_resources.io_rid[0],
sc->sc_resources.io_base[0]);
bus_release_resource(dev, SYS_RES_IRQ,
sc->sc_resources.irq_rid,
sc->sc_resources.irq);
return(ENXIO);
}
/* the board is now ready to be loaded */
return(0);
}
/*---------------------------------------------------------------------------*
* setup interrupt
*---------------------------------------------------------------------------*/
void
b1isa_setup_irq(struct iavc_softc *sc)
{
int irq = rman_get_start(sc->sc_resources.irq);
if(bootverbose)
printf("iavc%d: using irq %d\n", sc->sc_unit, irq);
/* enable the interrupt */
b1io_outp(sc, B1_INSTAT, 0x00);
b1io_outp(sc, B1_RESET, b1_irq_table[irq]);
b1io_outp(sc, B1_INSTAT, 0x02);
}
/*---------------------------------------------------------------------------*
* IRQ handler
*---------------------------------------------------------------------------*/
static void
iavc_isa_intr(struct iavc_softc *sc)
{
iavc_handle_intr(sc);
}
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