diff options
author | mdodd <mdodd@FreeBSD.org> | 2003-04-07 10:13:25 +0000 |
---|---|---|
committer | mdodd <mdodd@FreeBSD.org> | 2003-04-07 10:13:25 +0000 |
commit | d3c5efd512618160903d96c5dec20ad2b1128a70 (patch) | |
tree | 1f10fb055d2a61296641d5ad02b5a5e0e71ec906 /sys/dev | |
parent | e37a3b039d6472b09f196d02f3cff12ec1a4fade (diff) | |
download | FreeBSD-src-d3c5efd512618160903d96c5dec20ad2b1128a70.zip FreeBSD-src-d3c5efd512618160903d96c5dec20ad2b1128a70.tar.gz |
- Add PCI support (Adaptec AHA-2920/A,Future Domain TMC-18XX/3260).
- Reduce duplicated code.
PR: 50427
Submitted by: Bob Bishop <rb@gid.co.uk>
Diffstat (limited to 'sys/dev')
-rw-r--r-- | sys/dev/stg/tmc18c30.h | 12 | ||||
-rw-r--r-- | sys/dev/stg/tmc18c30_isa.c | 180 | ||||
-rw-r--r-- | sys/dev/stg/tmc18c30_pccard.c | 177 | ||||
-rw-r--r-- | sys/dev/stg/tmc18c30_pci.c | 135 | ||||
-rw-r--r-- | sys/dev/stg/tmc18c30_subr.c | 185 |
5 files changed, 351 insertions, 338 deletions
diff --git a/sys/dev/stg/tmc18c30.h b/sys/dev/stg/tmc18c30.h new file mode 100644 index 0000000..8a1848c --- /dev/null +++ b/sys/dev/stg/tmc18c30.h @@ -0,0 +1,12 @@ +/* + * $FreeBSD$ + */ + +extern devclass_t stg_devclass; + +int stg_alloc_resource (device_t); +void stg_release_resource (device_t); +int stg_probe (device_t); +int stg_attach (device_t); +void stg_detach (device_t); +void stg_intr (void *); diff --git a/sys/dev/stg/tmc18c30_isa.c b/sys/dev/stg/tmc18c30_isa.c index 24faae7..88cb7c5b 100644 --- a/sys/dev/stg/tmc18c30_isa.c +++ b/sys/dev/stg/tmc18c30_isa.c @@ -52,118 +52,27 @@ #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> - -static int stgprobe(device_t devi); -static int stgattach(device_t devi); - -static void stg_isa_unload (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); - } -} +#include <dev/stg/tmc18c30.h> static int -stg_alloc_resource(device_t dev) +stg_isa_probe(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, 1, 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) { + if (stg_probe(dev) == 0) { stg_release_resource(dev); return(ENXIO); } @@ -179,19 +88,21 @@ stg_isa_attach(device_t dev) struct stg_softc *sc = device_get_softc(dev); int error; + sc->port_rid = 0; + sc->irq_rid = 0; error = stg_alloc_resource(dev); if (error) { return(error); } error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY, - stg_isa_intr, (void *)sc, &sc->stg_intrhand); + stg_intr, (void *)sc, &sc->stg_intrhand); if (error) { stg_release_resource(dev); return(error); } - if (stgattach(dev) == 0) { + if (stg_attach(dev) == 0) { stg_release_resource(dev); return(ENXIO); } @@ -199,18 +110,11 @@ stg_isa_attach(device_t dev) 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), + DEVMETHOD(device_detach, stg_detach), { 0, 0 } }; @@ -221,71 +125,5 @@ static driver_t stg_isa_driver = { 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); - intrmask_t s; - - printf("%s: unload\n",sc->sc_sclow.sl_xname); - s = splcam(); - scsi_low_deactivate((struct scsi_low_softc *)sc); - scsi_low_dettach(&sc->sc_sclow); - splx(s); -} - -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); - intrmask_t s; - 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; - - s = splcam(); - stgattachsubr(sc); - splx(s); - - return(STGIOSZ); -} +MODULE_DEPEND(stg, scsi_low, 1, 1, 1); diff --git a/sys/dev/stg/tmc18c30_pccard.c b/sys/dev/stg/tmc18c30_pccard.c index 4b98b1f..b99fdd2 100644 --- a/sys/dev/stg/tmc18c30_pccard.c +++ b/sys/dev/stg/tmc18c30_pccard.c @@ -58,8 +58,7 @@ #include <dev/stg/tmc18c30reg.h> #include <dev/stg/tmc18c30var.h> - -#define STG_HOSTID 7 +#include <dev/stg/tmc18c30.h> #include <sys/kernel.h> #include <sys/module.h> @@ -69,11 +68,6 @@ #include <pccard/cardinfo.h> #include <pccard/slot.h> -static int stgprobe(DEVPORT_PDEVICE devi); -static int stgattach(DEVPORT_PDEVICE devi); - -static void stg_card_unload (DEVPORT_PDEVICE); - static const struct pccard_product stg_products[] = { PCMCIA_CARD(FUTUREDOMAIN, SCSI2GO, 0), PCMCIA_CARD(IBM, SCSICARD, 0), @@ -87,86 +81,6 @@ static const struct pccard_product stg_products[] = { * Additional code for FreeBSD new-bus PCCard frontend */ -static void -stg_pccard_intr(void * arg) -{ - stgintr(arg); -} - -static void -stg_release_resource(DEVPORT_PDEVICE 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(DEVPORT_PDEVICE dev) -{ - struct stg_softc *sc = device_get_softc(dev); - u_long ioaddr, iosize, maddr, msize; - int error; - - error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize); - if (error || iosize < STGIOSZ) { - return(ENOMEM); - } - - 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, 1, RF_ACTIVE); - if (sc->mem_res == NULL) { - stg_release_resource(dev); - return(ENOMEM); - } - - return(0); -} - static int stg_pccard_match(device_t dev) { const struct pccard_product *pp; @@ -185,14 +99,14 @@ stg_pccard_probe(DEVPORT_PDEVICE dev) struct stg_softc *sc = device_get_softc(dev); int error; - bzero(sc, sizeof(struct stg_softc)); - + sc->port_rid = 0; + sc->irq_rid = 0; error = stg_alloc_resource(dev); if (error) { return(error); } - if (stgprobe(dev) == 0) { + if (stg_probe(dev) == 0) { stg_release_resource(dev); return(ENXIO); } @@ -208,19 +122,21 @@ stg_pccard_attach(DEVPORT_PDEVICE dev) struct stg_softc *sc = device_get_softc(dev); int error; + sc->port_rid = 0; + sc->irq_rid = 0; error = stg_alloc_resource(dev); if (error) { return(error); } error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY, - stg_pccard_intr, (void *)sc, &sc->stg_intrhand); + stg_intr, (void *)sc, &sc->stg_intrhand); if (error) { stg_release_resource(dev); return(error); } - if (stgattach(dev) == 0) { + if (stg_attach(dev) == 0) { stg_release_resource(dev); return(ENXIO); } @@ -228,18 +144,11 @@ stg_pccard_attach(DEVPORT_PDEVICE dev) return(0); } -static void -stg_pccard_detach(DEVPORT_PDEVICE dev) -{ - stg_card_unload(dev); - stg_release_resource(dev); -} - static device_method_t stg_pccard_methods[] = { /* Device interface */ DEVMETHOD(device_probe, pccard_compat_probe), DEVMETHOD(device_attach, pccard_compat_attach), - DEVMETHOD(device_detach, stg_pccard_detach), + DEVMETHOD(device_detach, stg_detach), /* Card interface */ DEVMETHOD(card_compat_match, stg_pccard_match), @@ -255,71 +164,5 @@ static driver_t stg_pccard_driver = { sizeof(struct stg_softc), }; -static devclass_t stg_devclass; - -MODULE_DEPEND(stg, scsi_low, 1, 1, 1); DRIVER_MODULE(stg, pccard, stg_pccard_driver, stg_devclass, 0, 0); - -static void -stg_card_unload(DEVPORT_PDEVICE devi) -{ - struct stg_softc *sc = DEVPORT_PDEVGET_SOFTC(devi); - intrmask_t s; - - printf("%s: unload\n",sc->sc_sclow.sl_xname); - s = splcam(); - scsi_low_deactivate((struct scsi_low_softc *)sc); - scsi_low_dettach(&sc->sc_sclow); - splx(s); -} - -static int -stgprobe(DEVPORT_PDEVICE 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), - DEVPORT_PDEVFLAGS(devi)); - - return rv; -} - -static int -stgattach(DEVPORT_PDEVICE devi) -{ - struct stg_softc *sc; - struct scsi_low_softc *slp; - u_int32_t flags = DEVPORT_PDEVFLAGS(devi); - u_int iobase = DEVPORT_PDEVIOBASE(devi); - intrmask_t s; - char dvname[16]; - - strcpy(dvname,"stg"); - - if (iobase == 0) - { - printf("%s: no ioaddr is given\n", dvname); - return (0); - } - - sc = DEVPORT_PDEVALLOC_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; - - s = splcam(); - stgattachsubr(sc); - splx(s); - - return(STGIOSZ); -} +MODULE_DEPEND(stg, scsi_low, 1, 1, 1); diff --git a/sys/dev/stg/tmc18c30_pci.c b/sys/dev/stg/tmc18c30_pci.c new file mode 100644 index 0000000..40bc575 --- /dev/null +++ b/sys/dev/stg/tmc18c30_pci.c @@ -0,0 +1,135 @@ +/* + * Copyright (c) 2003 Bob Bishop + * All rights reserved. + * [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. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/bus.h> +#include <sys/malloc.h> +#include <sys/errno.h> + +#include <machine/bus_pio.h> +#include <machine/bus.h> +#include <machine/resource.h> +#include <sys/rman.h> + +#include <pci/pcireg.h> +#include <pci/pcivar.h> + +#include <cam/scsi/scsi_low.h> +#include <cam/scsi/scsi_low_pisa.h> + +#include <dev/stg/tmc18c30reg.h> +#include <dev/stg/tmc18c30var.h> +#include <dev/stg/tmc18c30.h> + +static struct _pcsid +{ + u_int32_t type; + const char *desc; +} pci_ids[] = { + { 0x00001036, "Adaptec AHA-2920/A,Future Domain TMC-18XX/3260" }, + { 0x00000000, NULL } +}; + +static int +stg_pci_probe(device_t dev) +{ + u_int32_t type = pci_get_devid(dev); + struct _pcsid *stg = pci_ids; + + while (stg->type && stg->type != type) + ++stg; + if (stg->desc) { + device_set_desc(dev, stg->desc); + return 0; + } + return(ENXIO); +} + +static int +stg_pci_attach(device_t dev) +{ + struct stg_softc *sc = device_get_softc(dev); + int error; + + sc->port_rid = PCIR_MAPS; + sc->irq_rid = 0; + error = stg_alloc_resource(dev); + if (error) { + return(error); + } + + /* XXXX remove INTR_ENTROPY below for MFC */ + error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY, + stg_intr, (void *)sc, &sc->stg_intrhand); + if (error) { + stg_release_resource(dev); + return(error); + } + + if (stg_attach(dev) == 0) { + stg_release_resource(dev); + return(ENXIO); + } + + return(0); +} + +static device_method_t stg_pci_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, stg_pci_probe), + DEVMETHOD(device_attach, stg_pci_attach), + DEVMETHOD(device_detach, stg_detach), + + { 0, 0 } +}; + +static driver_t stg_pci_driver = { + "stg", + stg_pci_methods, + sizeof(struct stg_softc), +}; + +DRIVER_MODULE(stg, pci, stg_pci_driver, stg_devclass, 0, 0); +MODULE_DEPEND(stg, scsi_low, 1, 1, 1); +MODULE_DEPEND(stg, pci, 1, 1, 1); diff --git a/sys/dev/stg/tmc18c30_subr.c b/sys/dev/stg/tmc18c30_subr.c new file mode 100644 index 0000000..fd9d4f4 --- /dev/null +++ b/sys/dev/stg/tmc18c30_subr.c @@ -0,0 +1,185 @@ +/* + * [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. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/socket.h> + +#include <sys/module.h> +#include <sys/bus.h> + +#include <machine/bus_memio.h> +#include <machine/bus_pio.h> +#include <machine/bus.h> +#include <machine/resource.h> +#include <sys/rman.h> + +#include <cam/scsi/scsi_low.h> +#include <cam/scsi/scsi_low_pisa.h> + +#include <dev/stg/tmc18c30reg.h> +#include <dev/stg/tmc18c30var.h> +#include <dev/stg/tmc18c30.h> + +#define STG_HOSTID 7 + +devclass_t stg_devclass; + +int +stg_alloc_resource(device_t dev) +{ + struct stg_softc * sc = device_get_softc(dev); + u_long maddr, msize; + int error; + + sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid, + 0, ~0, 1, RF_ACTIVE); + if (sc->port_res == NULL) { + stg_release_resource(dev); + return(ENOMEM); + } + + 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_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid, + 0, ~0, 1, RF_ACTIVE); + if (sc->mem_res == NULL) { + stg_release_resource(dev); + return(ENOMEM); + } + + return(0); +} + +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); + return; +} + +int +stg_probe(device_t dev) +{ + int rv; + struct stg_softc *sc = device_get_softc(dev); + + rv = stgprobesubr(rman_get_bustag(sc->port_res), + rman_get_bushandle(sc->port_res), + device_get_flags(dev)); + + return rv; +} + +int +stg_attach(device_t dev) +{ + struct stg_softc *sc; + struct scsi_low_softc *slp; + u_int32_t flags = device_get_flags(dev); + intrmask_t s; + char dvname[16]; + + sc = device_get_softc(dev); + + strcpy(dvname,"stg"); + + slp = &sc->sc_sclow; + slp->sl_dev = dev; + 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; + + s = splcam(); + stgattachsubr(sc); + splx(s); + + return(STGIOSZ); +} + +void +stg_detach (device_t dev) +{ + struct stg_softc *sc = device_get_softc(dev); + intrmask_t s; + + printf("%s: unload\n",sc->sc_sclow.sl_xname); + s = splcam(); + scsi_low_deactivate((struct scsi_low_softc *)sc); + scsi_low_dettach(&sc->sc_sclow); + splx(s); + stg_release_resource(dev); + return; +} + +void +stg_intr (void *arg) +{ + stgintr(arg); + return; +} |