diff options
Diffstat (limited to 'sys/i4b/capi/iavc/iavc_isa.c')
-rw-r--r-- | sys/i4b/capi/iavc/iavc_isa.c | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/sys/i4b/capi/iavc/iavc_isa.c b/sys/i4b/capi/iavc/iavc_isa.c new file mode 100644 index 0000000..96ea1c9 --- /dev/null +++ b/sys/i4b/capi/iavc/iavc_isa.c @@ -0,0 +1,297 @@ +/* + * Copyright (c) 2001 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. + * + * $FreeBSD$ + */ + +#include "iavc.h" +#include "i4bcapi.h" + +#if (NIAVC > 0) && (NI4BCAPI > 0) + +#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/clock.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(dev, SYS_RES_IRQ, + &sc->sc_resources.irq_rid, + 0UL, ~0UL, 1, 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 defined (__FreeBSD__) && __FreeBSD__ > 4 + mtx_init(&sc->sc_txq.ifq_mtx, "i4b_ivac_isa", MTX_DEF); +#endif + + 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, + (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); +} + +#endif |