111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/device.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <scsi/scsi_all.h>
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#include <scsi/scsiconf.h>
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#include <dev/eisa/eisavar.h>
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#include <dev/eisa/eisadevs.h>
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#include <dev/ic/bhareg.h>
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#include <dev/ic/bhavar.h>
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#define BHA_EISA_SLOT_OFFSET 0xc00
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#define BHA_EISA_IOSIZE 0x100
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int bha_eisa_match __P((struct device *, void *, void *));
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void bha_eisa_attach __P((struct device *, struct device *, void *));
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struct cfattach bha_eisa_ca = {
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sizeof(struct bha_softc), bha_eisa_match, bha_eisa_attach
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};
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/*
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* Check the slots looking for a board we recognise
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* If we find one, note it's address (slot) and call
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* the actual probe routine to check it out.
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*/
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int
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bha_eisa_match(parent, match, aux)
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struct device *parent;
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void *match, *aux;
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{
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struct eisa_attach_args *ea = aux;
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bus_chipset_tag_t bc = ea->ea_bc;
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bus_io_handle_t ioh;
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int rv;
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/* must match one of our known ID strings */
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if (strcmp(ea->ea_idstring, "BUS4201") &&
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strcmp(ea->ea_idstring, "BUS4202"))
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return (0);
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if (bus_io_map(bc, EISA_SLOT_ADDR(ea->ea_slot) + BHA_EISA_SLOT_OFFSET,
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BHA_EISA_IOSIZE, &ioh))
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return (0);
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rv = bha_find(bc, ioh, NULL);
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bus_io_unmap(bc, ioh, BHA_EISA_IOSIZE);
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return (rv);
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}
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/*
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* Attach all the sub-devices we can find
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*/
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void
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bha_eisa_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct eisa_attach_args *ea = aux;
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struct bha_softc *sc = (void *)self;
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bus_chipset_tag_t bc = ea->ea_bc;
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bus_io_handle_t ioh;
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eisa_chipset_tag_t ec = ea->ea_ec;
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eisa_intr_handle_t ih;
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const char *model, *intrstr;
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if (!strcmp(ea->ea_idstring, "BUS4201"))
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model = EISA_PRODUCT_BUS4201;
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else if (!strcmp(ea->ea_idstring, "BUS4202"))
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model = EISA_PRODUCT_BUS4202;
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else
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model = "unknown model!";
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printf(": %s\n", model);
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if (bus_io_map(bc, EISA_SLOT_ADDR(ea->ea_slot) + BHA_EISA_SLOT_OFFSET,
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BHA_EISA_IOSIZE, &ioh))
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panic("bha_attach: could not map I/O addresses");
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sc->sc_bc = bc;
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sc->sc_ioh = ioh;
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if (!bha_find(bc, ioh, sc))
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panic("bha_attach: bha_find failed!");
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if (eisa_intr_map(ec, sc->sc_irq, &ih)) {
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printf("%s: couldn't map interrupt (%d)\n",
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sc->sc_dev.dv_xname, sc->sc_irq);
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return;
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}
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intrstr = eisa_intr_string(ec, ih);
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sc->sc_ih = eisa_intr_establish(ec, ih, IST_LEVEL, IPL_BIO,
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bha_intr, sc);
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if (sc->sc_ih == NULL) {
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printf("%s: couldn't establish interrupt",
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sc->sc_dev.dv_xname);
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if (intrstr != NULL)
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printf(" at %s", intrstr);
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printf("\n");
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return;
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}
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printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
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bha_attach(sc);
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}
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