123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
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#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/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/ic/bhareg.h>
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#include <dev/ic/bhavar.h>
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#define PCI_CBIO 0x10
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int bha_pci_match __P((struct device *, void *, void *));
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void bha_pci_attach __P((struct device *, struct device *, void *));
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struct cfattach bha_pci_ca = {
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sizeof(struct bha_softc), bha_pci_match, bha_pci_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_pci_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 pci_attach_args *pa = aux;
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bus_chipset_tag_t bc = pa->pa_bc;
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bus_io_addr_t iobase;
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bus_io_size_t iosize;
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bus_io_handle_t ioh;
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pci_chipset_tag_t pc = pa->pa_pc;
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int rv;
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if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_BUSLOGIC)
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return (0);
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if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_OLD946C &&
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PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_946C)
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return (0);
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if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize))
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return (0);
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if (bus_io_map(bc, iobase, 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, 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_pci_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 pci_attach_args *pa = aux;
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struct bha_softc *sc = (void *)self;
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bus_chipset_tag_t bc = pa->pa_bc;
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bus_io_addr_t iobase;
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bus_io_size_t iosize;
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bus_io_handle_t ioh;
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pci_chipset_tag_t pc = pa->pa_pc;
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pci_intr_handle_t ih;
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pcireg_t csr;
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const char *model, *intrstr;
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if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_OLD946C)
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model = "BusLogic 9xxC SCSI";
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else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_946C)
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model = "BusLogic 9xxC SCSI";
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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 (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize))
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panic("bha_attach: pci_io_find failed!");
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if (bus_io_map(bc, iobase, iosize, &ioh))
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panic("bha_attach: bus_io_map failed!");
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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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csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
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pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
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csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_IO_ENABLE);
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if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
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pa->pa_intrline, &ih)) {
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printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
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return;
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}
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intrstr = pci_intr_string(pc, ih);
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sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, 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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