diff options
Diffstat (limited to 'sys/dev/eisa/bha_eisa.c')
| -rw-r--r-- | sys/dev/eisa/bha_eisa.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/sys/dev/eisa/bha_eisa.c b/sys/dev/eisa/bha_eisa.c new file mode 100644 index 00000000000..78794a80f0e --- /dev/null +++ b/sys/dev/eisa/bha_eisa.c @@ -0,0 +1,143 @@ +/* $OpenBSD: bha_eisa.c,v 1.1 1996/11/28 23:27:37 niklas Exp $ */ +/* $NetBSD: bha_eisa.c,v 1.5 1996/10/21 22:31:00 thorpej Exp $ */ + +/* + * Copyright (c) 1994, 1996 Charles M. Hannum. 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Charles M. Hannum. + * 4. 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/types.h> +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/device.h> + +#include <machine/bus.h> +#include <machine/intr.h> + +#include <scsi/scsi_all.h> +#include <scsi/scsiconf.h> + +#include <dev/eisa/eisavar.h> +#include <dev/eisa/eisadevs.h> + +#include <dev/ic/bhareg.h> +#include <dev/ic/bhavar.h> + +#define BHA_EISA_SLOT_OFFSET 0xc00 +#define BHA_EISA_IOSIZE 0x100 + +int bha_eisa_match __P((struct device *, void *, void *)); +void bha_eisa_attach __P((struct device *, struct device *, void *)); + +struct cfattach bha_eisa_ca = { + sizeof(struct bha_softc), bha_eisa_match, bha_eisa_attach +}; + +/* + * Check the slots looking for a board we recognise + * If we find one, note it's address (slot) and call + * the actual probe routine to check it out. + */ +int +bha_eisa_match(parent, match, aux) + struct device *parent; + void *match, *aux; +{ + struct eisa_attach_args *ea = aux; + bus_space_tag_t iot = ea->ea_iot; + bus_space_handle_t ioh; + int rv; + + /* must match one of our known ID strings */ + if (strcmp(ea->ea_idstring, "BUS4201") && + strcmp(ea->ea_idstring, "BUS4202")) + return (0); + + if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + + BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 0, &ioh)) + return (0); + + rv = bha_find(iot, ioh, NULL); + + bus_space_unmap(iot, ioh, BHA_EISA_IOSIZE); + + return (rv); +} + +/* + * Attach all the sub-devices we can find + */ +void +bha_eisa_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct eisa_attach_args *ea = aux; + struct bha_softc *sc = (void *)self; + bus_space_tag_t iot = ea->ea_iot; + bus_space_handle_t ioh; + eisa_chipset_tag_t ec = ea->ea_ec; + eisa_intr_handle_t ih; + const char *model, *intrstr; + + if (!strcmp(ea->ea_idstring, "BUS4201")) + model = EISA_PRODUCT_BUS4201; + else if (!strcmp(ea->ea_idstring, "BUS4202")) + model = EISA_PRODUCT_BUS4202; + else + model = "unknown model!"; + printf(": %s\n", model); + + if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + + BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 0, &ioh)) + panic("bha_attach: could not map I/O addresses"); + + sc->sc_iot = iot; + sc->sc_ioh = ioh; + if (!bha_find(iot, ioh, sc)) + panic("bha_attach: bha_find failed!"); + + if (eisa_intr_map(ec, sc->sc_irq, &ih)) { + printf("%s: couldn't map interrupt (%d)\n", + sc->sc_dev.dv_xname, sc->sc_irq); + return; + } + intrstr = eisa_intr_string(ec, ih); + sc->sc_ih = eisa_intr_establish(ec, ih, IST_LEVEL, IPL_BIO, + bha_intr, sc, sc->sc_dev.dv_xname); + if (sc->sc_ih == NULL) { + printf("%s: couldn't establish interrupt", + sc->sc_dev.dv_xname); + if (intrstr != NULL) + printf(" at %s", intrstr); + printf("\n"); + return; + } + printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); + + bha_attach(sc); +} |