292 lines
7.4 KiB
C
292 lines
7.4 KiB
C
/*
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* Copyright (c) 2001, 2002 Hellmuth Michaelis. 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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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <machine/clock.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/bus.h>
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#include <sys/rman.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <isa/isavar.h>
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#include <machine/i4b_debug.h>
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#include <machine/i4b_ioctl.h>
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#include <machine/i4b_trace.h>
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#include <i4b/include/i4b_global.h>
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#include <i4b/include/i4b_l3l4.h>
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#include <i4b/include/i4b_mbuf.h>
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#include <i4b/capi/capi.h>
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#include <i4b/capi/iavc/iavc.h>
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/* ISA driver linkage */
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static void iavc_isa_intr(iavc_softc_t *sc);
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static int iavc_isa_probe(device_t dev);
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static int iavc_isa_attach(device_t dev);
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static device_method_t iavc_isa_methods[] =
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{
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DEVMETHOD(device_probe, iavc_isa_probe),
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DEVMETHOD(device_attach, iavc_isa_attach),
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{ 0, 0 }
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};
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static driver_t iavc_isa_driver =
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{
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"iavc",
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iavc_isa_methods,
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0
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};
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static devclass_t iavc_isa_devclass;
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DRIVER_MODULE(iavc, isa, iavc_isa_driver, iavc_isa_devclass, 0, 0);
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#define B1_IOLENGTH 0x20
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static int b1_irq_table[] =
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{0, 0, 0, 192, 32, 160, 96, 224, 0, 64, 80, 208, 48, 0, 0, 112};
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/* 3 4 5 6 7 9 10 11 12 15 */
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/*---------------------------------------------------------------------------*
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* device probe
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*---------------------------------------------------------------------------*/
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static int
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iavc_isa_probe(device_t dev)
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{
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struct iavc_softc *sc;
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int ret = ENXIO;
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int unit = device_get_unit(dev);
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if(isa_get_vendorid(dev)) /* no PnP probes here */
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return ENXIO;
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/* check max unit range */
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if (unit >= IAVC_MAXUNIT)
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{
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printf("iavc%d: too many units\n", unit);
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return(ENXIO);
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}
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sc = iavc_find_sc(unit); /* get softc */
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sc->sc_unit = unit;
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if (!(sc->sc_resources.io_base[0] =
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bus_alloc_resource(dev, SYS_RES_IOPORT,
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&sc->sc_resources.io_rid[0],
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0UL, ~0UL, B1_IOLENGTH, RF_ACTIVE)))
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{
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printf("iavc%d: can't allocate io region\n", unit);
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return(ENXIO);
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}
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sc->sc_iobase = rman_get_start(sc->sc_resources.io_base[0]);
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switch(sc->sc_iobase)
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{
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case 0x150:
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case 0x250:
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case 0x300:
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case 0x340:
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break;
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default:
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printf("iavc%d: ERROR, invalid i/o base addr 0x%x configured!\n", sc->sc_unit, sc->sc_iobase);
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bus_release_resource(dev, SYS_RES_IOPORT,
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sc->sc_resources.io_rid[0],
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sc->sc_resources.io_base[0]);
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return(ENXIO);
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}
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sc->sc_io_bt = rman_get_bustag(sc->sc_resources.io_base[0]);
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sc->sc_io_bh = rman_get_bushandle(sc->sc_resources.io_base[0]);
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/* setup characteristics */
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sc->sc_t1 = FALSE;
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sc->sc_dma = FALSE;
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sc->sc_capi.card_type = CARD_TYPEC_AVM_B1_ISA;
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sc->sc_capi.sc_nbch = 2;
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b1_reset(sc);
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DELAY(100);
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ret = b1_detect(sc);
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if(ret)
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{
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printf("iavc%d: no card ? b1_detect returns %0x02x\n",
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sc->sc_unit, ret);
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return(ENXIO);
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}
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DELAY(100);
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b1_reset(sc);
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DELAY(100);
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if(bootverbose)
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{
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printf("iavc%d: class = 0x%02x, rev = 0x%02x\n", sc->sc_unit,
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iavc_read_port(sc, B1_ANALYSE),
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iavc_read_port(sc, B1_REVISION));
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}
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device_set_desc(dev, "AVM B1 ISA");
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return(0);
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}
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/*---------------------------------------------------------------------------*
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* attach
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*---------------------------------------------------------------------------*/
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static int
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iavc_isa_attach(device_t dev)
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{
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struct iavc_softc *sc;
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void *ih = 0;
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int unit = device_get_unit(dev);
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int irq;
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sc = iavc_find_sc(unit); /* get softc */
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sc->sc_resources.irq_rid = 0;
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if(!(sc->sc_resources.irq =
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bus_alloc_resource(dev, SYS_RES_IRQ,
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&sc->sc_resources.irq_rid,
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0UL, ~0UL, 1, RF_ACTIVE)))
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{
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printf("iavc%d: can't allocate irq\n",unit);
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bus_release_resource(dev, SYS_RES_IOPORT,
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sc->sc_resources.io_rid[0],
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sc->sc_resources.io_base[0]);
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return(ENXIO);
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}
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irq = rman_get_start(sc->sc_resources.irq);
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if(b1_irq_table[irq] == 0)
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{
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printf("iavc%d: ERROR, illegal irq %d configured!\n",unit, irq);
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bus_release_resource(dev, SYS_RES_IOPORT,
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sc->sc_resources.io_rid[0],
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sc->sc_resources.io_base[0]);
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bus_release_resource(dev, SYS_RES_IRQ,
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sc->sc_resources.irq_rid,
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sc->sc_resources.irq);
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return(ENXIO);
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}
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memset(&sc->sc_txq, 0, sizeof(struct ifqueue));
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sc->sc_txq.ifq_maxlen = sc->sc_capi.sc_nbch * 4;
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if(!mtx_initialized(&sc->sc_txq.ifq_mtx))
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mtx_init(&sc->sc_txq.ifq_mtx, "i4b_ivac_isa", NULL, MTX_DEF);
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sc->sc_intr = FALSE;
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sc->sc_state = IAVC_DOWN;
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sc->sc_blocked = FALSE;
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/* setup capi link */
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sc->sc_capi.load = iavc_load;
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sc->sc_capi.reg_appl = iavc_register;
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sc->sc_capi.rel_appl = iavc_release;
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sc->sc_capi.send = iavc_send;
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sc->sc_capi.ctx = (void*) sc;
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if (capi_ll_attach(&sc->sc_capi))
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{
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printf("iavc%d: capi attach failed\n", unit);
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return(ENXIO);
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}
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/* setup the interrupt */
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if(bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
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(void(*)(void*))iavc_isa_intr,
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sc, &ih))
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{
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printf("iavc%d: irq setup failed\n", unit);
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bus_release_resource(dev, SYS_RES_IOPORT,
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sc->sc_resources.io_rid[0],
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sc->sc_resources.io_base[0]);
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bus_release_resource(dev, SYS_RES_IRQ,
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sc->sc_resources.irq_rid,
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sc->sc_resources.irq);
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return(ENXIO);
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}
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/* the board is now ready to be loaded */
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return(0);
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}
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/*---------------------------------------------------------------------------*
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* setup interrupt
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*---------------------------------------------------------------------------*/
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void
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b1isa_setup_irq(struct iavc_softc *sc)
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{
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int irq = rman_get_start(sc->sc_resources.irq);
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if(bootverbose)
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printf("iavc%d: using irq %d\n", sc->sc_unit, irq);
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/* enable the interrupt */
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b1io_outp(sc, B1_INSTAT, 0x00);
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b1io_outp(sc, B1_RESET, b1_irq_table[irq]);
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b1io_outp(sc, B1_INSTAT, 0x02);
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}
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/*---------------------------------------------------------------------------*
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* IRQ handler
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*---------------------------------------------------------------------------*/
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static void
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iavc_isa_intr(struct iavc_softc *sc)
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{
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iavc_handle_intr(sc);
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}
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