diff options
Diffstat (limited to 'sys/dev/pci/iha_pci.c')
| -rw-r--r-- | sys/dev/pci/iha_pci.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/sys/dev/pci/iha_pci.c b/sys/dev/pci/iha_pci.c new file mode 100644 index 00000000000..98365e6d306 --- /dev/null +++ b/sys/dev/pci/iha_pci.c @@ -0,0 +1,138 @@ +/* $OpenBSD: iha_pci.c,v 1.1 2001/01/23 04:19:42 krw Exp $ */ +/* + * Initio INI-9xxxU/UW SCSI Device Driver + * + * Copyright (c) 2000 Ken Westerback + * 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, + * without modification, immediately at the beginning of the file. + * 2. 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 OR HIS RELATIVES 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 MIND, 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. + * + *------------------------------------------------------------------------- + * + * Ported from i91u.c, provided by Initio Corporation, which credits: + * + * Device driver for the INI-9XXXU/UW or INIC-940/950 PCI SCSI Controller. + * + * FreeBSD + * + * Written for 386bsd and FreeBSD by + * Winston Hung <winstonh@initio.com> + * + * Copyright (c) 1997-99 Initio Corp. All rights reserved. + * + *------------------------------------------------------------------------- + */ +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/device.h> + +#include <dev/pci/pcidevs.h> +#include <dev/pci/pcivar.h> + +#include <scsi/scsi_all.h> +#include <scsi/scsiconf.h> + +#include <dev/ic/iha.h> + +static int iha_pci_probe __P((struct device *, void *, void *)); +static void iha_pci_attach __P((struct device *, struct device *, void *)); + +struct cfattach iha_pci_ca = { + sizeof(struct iha_softc), iha_pci_probe, iha_pci_attach +}; + +static int +iha_pci_probe(parent, match, aux) + struct device *parent; + void *match; + void *aux; +{ + struct pci_attach_args *pa = aux; + + if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INITIO) + switch (PCI_PRODUCT(pa->pa_id)) { + case PCI_PRODUCT_INITIO_INIC950: + return (1); + } + + return (0); +} + +static void +iha_pci_attach(parent, self, aux) + struct device *parent; + struct device *self; + void *aux; +{ + struct pci_attach_args *pa = aux; + bus_space_handle_t ioh; + pci_intr_handle_t ih; + struct iha_softc *sc = (void *)self; + bus_space_tag_t iot; + const char *intrstr; + pcireg_t command; + int ioh_valid; + + command = pci_conf_read(pa->pa_pc,pa->pa_tag,PCI_COMMAND_STATUS_REG); + command |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_PARITY_ENABLE; + + pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); + + /* + * XXX - Tried memory mapping (using code from adw and ahc) + * rather that IO mapping, but it didn't work at all.. + */ + ioh_valid = pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0, + &iot, &ioh, NULL, NULL); + + if (ioh_valid != 0) { + printf("%s: unable to map registers\n", sc->sc_dev.dv_xname); + return; + } + + sc->sc_iot = iot; + sc->sc_ioh = ioh; + sc->sc_dmat = pa->pa_dmat; + + if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, + pa->pa_intrline, &ih)) { + printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); + return; + } + intrstr = pci_intr_string(pa->pa_pc, ih); + + sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, iha_intr, sc, + sc->sc_dev.dv_xname); + + if (sc->sc_ih == NULL) { + printf(": couldn't establish interrupt"); + if (intrstr != NULL) + printf(" at %s", intrstr); + printf("\n"); + } else { + if (intrstr != NULL) + printf(": %s\n", intrstr); + + if (iha_init_tulip(sc) == 0) + config_found(&sc->sc_dev, &sc->sc_link, scsiprint); + } +} |