diff options
Diffstat (limited to 'sys/dev/stg/tmc18c30_isa.c')
| -rw-r--r-- | sys/dev/stg/tmc18c30_isa.c | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/sys/dev/stg/tmc18c30_isa.c b/sys/dev/stg/tmc18c30_isa.c new file mode 100644 index 0000000..83ab6a8 --- /dev/null +++ b/sys/dev/stg/tmc18c30_isa.c @@ -0,0 +1,298 @@ +/* $FreeBSD$ */ +/* $NecBSD: tmc18c30_pisa.c,v 1.22 1998/11/26 01:59:21 honda Exp $ */ +/* $NetBSD$ */ + +/* + * [Ported for FreeBSD] + * Copyright (c) 2000 + * Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe. + * All rights reserved. + * [NetBSD for NEC PC-98 series] + * Copyright (c) 1996, 1997, 1998 + * NetBSD/pc98 porting staff. All rights reserved. + * Copyright (c) 1996, 1997, 1998 + * Naofumi HONDA. All rights reserved. + * Copyright (c) 1996, 1997, 1998 + * Kouichi Matsuda. 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. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/bus.h> +#include <sys/disklabel.h> +#if defined(__FreeBSD__) && __FreeBSD_version >= 500001 +#include <sys/bio.h> +#endif +#include <sys/buf.h> +#include <sys/queue.h> +#include <sys/malloc.h> +#include <sys/errno.h> + +#include <vm/vm.h> + +#include <machine/bus_pio.h> +#include <machine/bus.h> +#include <machine/resource.h> +#include <sys/rman.h> + +#include <isa/isavar.h> + +#include <machine/dvcfg.h> + +#include <sys/device_port.h> + +#include <cam/scsi/scsi_low.h> +#include <isa/isa_common.h> +#include <cam/scsi/scsi_low_pisa.h> + +#include <dev/stg/tmc18c30reg.h> +#include <dev/stg/tmc18c30var.h> + +#define STG_HOSTID 7 + +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/select.h> + +static int stgprobe(device_t devi); +static int stgattach(device_t devi); + +static void stg_isa_unload __P((device_t)); + +static void +stg_isa_intr(void * arg) +{ + stgintr(arg); +} + +static void +stg_release_resource(device_t dev) +{ + struct stg_softc *sc = device_get_softc(dev); + + if (sc->stg_intrhand) { + bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand); + } + + if (sc->port_res) { + bus_release_resource(dev, SYS_RES_IOPORT, + sc->port_rid, sc->port_res); + } + + if (sc->irq_res) { + bus_release_resource(dev, SYS_RES_IRQ, + sc->irq_rid, sc->irq_res); + } + + if (sc->mem_res) { + bus_release_resource(dev, SYS_RES_MEMORY, + sc->mem_rid, sc->mem_res); + } +} + +static int +stg_alloc_resource(device_t dev) +{ + struct stg_softc *sc = device_get_softc(dev); + u_long maddr, msize; + int error; + + sc->port_rid = 0; + sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid, + 0, ~0, STGIOSZ, RF_ACTIVE); + if (sc->port_res == NULL) { + stg_release_resource(dev); + return(ENOMEM); + } + + sc->irq_rid = 0; + sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid, + 0, ~0, 1, RF_ACTIVE); + if (sc->irq_res == NULL) { + stg_release_resource(dev); + return(ENOMEM); + } + + error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize); + if (error) { + return(0); /* XXX */ + } + + /* no need to allocate memory if not configured */ + if (maddr == 0 || msize == 0) { + return(0); + } + + sc->mem_rid = 0; + sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid, + 0, ~0, msize, RF_ACTIVE); + if (sc->mem_res == NULL) { + stg_release_resource(dev); + return(ENOMEM); + } + + return(0); +} + +static int +stg_isa_probe(device_t dev) +{ + struct stg_softc *sc = device_get_softc(dev); + int error; + + bzero(sc, sizeof(struct stg_softc)); + + error = stg_alloc_resource(dev); + if (error) { + return(error); + } + + if (stgprobe(dev) == 0) { + stg_release_resource(dev); + return(ENXIO); + } + + stg_release_resource(dev); + + return(0); +} + +static int +stg_isa_attach(device_t dev) +{ + struct stg_softc *sc = device_get_softc(dev); + int error; + + error = stg_alloc_resource(dev); + if (error) { + return(error); + } + + error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM, + stg_isa_intr, (void *)sc, &sc->stg_intrhand); + if (error) { + stg_release_resource(dev); + return(error); + } + + if (stgattach(dev) == 0) { + stg_release_resource(dev); + return(ENXIO); + } + + return(0); +} + +static void +stg_isa_detach(device_t dev) +{ + stg_isa_unload(dev); + stg_release_resource(dev); +} + +static device_method_t stg_isa_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, stg_isa_probe), + DEVMETHOD(device_attach, stg_isa_attach), + DEVMETHOD(device_detach, stg_isa_detach), + + { 0, 0 } +}; + +static driver_t stg_isa_driver = { + "stg", + stg_isa_methods, + sizeof(struct stg_softc), +}; + +static devclass_t stg_devclass; + +DRIVER_MODULE(stg, isa, stg_isa_driver, stg_devclass, 0, 0); + +static void +stg_isa_unload(device_t devi) +{ + struct stg_softc *sc = device_get_softc(devi); + + printf("%s: unload\n",sc->sc_sclow.sl_xname); + scsi_low_deactivate((struct scsi_low_softc *)sc); + scsi_low_dettach(&sc->sc_sclow); +} + +static int +stgprobe(device_t devi) +{ + int rv; + struct stg_softc *sc = device_get_softc(devi); + + rv = stgprobesubr(rman_get_bustag(sc->port_res), + rman_get_bushandle(sc->port_res), + device_get_flags(devi)); + + return rv; +} + +static int +stgattach(device_t devi) +{ + struct stg_softc *sc; + struct scsi_low_softc *slp; + u_int32_t flags = device_get_flags(devi); + u_int iobase = bus_get_resource_start(devi, SYS_RES_IOPORT, 0); + + char dvname[16]; + + strcpy(dvname,"stg"); + + + if (iobase == 0) + { + printf("%s: no ioaddr is given\n", dvname); + return (0); + } + + sc = device_get_softc(devi); + if (sc == NULL) { + return(0); + } + + slp = &sc->sc_sclow; + slp->sl_dev = devi; + sc->sc_iot = rman_get_bustag(sc->port_res); + sc->sc_ioh = rman_get_bushandle(sc->port_res); + + slp->sl_hostid = STG_HOSTID; + slp->sl_cfgflags = flags; + + stgattachsubr(sc); + + sc->sc_ih = stgintr; + + printf("stg%d",device_get_unit(devi)); + return(STGIOSZ); +} |
