177 lines
5.6 KiB
C
177 lines
5.6 KiB
C
/* $OpenBSD: trm_pci.c,v 1.12 2022/04/16 19:19:59 naddy Exp $
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* ------------------------------------------------------------
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* O.S : OpenBSD
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* FILE NAME : trm_pci.c
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* BY : Erich Chen (erich@tekram.com.tw)
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* Description: Device Driver for Tekram DC395U/UW/F,DC315/U
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* PCI SCSI Bus Master Host Adapter
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* (SCSI chip set used Tekram ASIC TRM-S1040)
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* (C)Copyright 1995-1999 Tekram Technology Co., Ltd.
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* (C)Copyright 2001-2002 Ashley R. Martens and Kenneth R. Westerback
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* ------------------------------------------------------------
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* HISTORY:
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*
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* REV# DATE NAME DESCRIPTION
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* 1.00 05/01/99 ERICH CHEN First released for NetBSD 1.4.x
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* 1.01 00/00/00 MARTIN AKESSON Port to OpenBSD 2.8
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* 1.02 Sep 19, 2001 ASHLEY MARTENS Cleanup and formatting
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* ------------------------------------------------------------
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ------------------------------------------------------------
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/pci/pcivar.h>
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#include <scsi/scsi_all.h>
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#include <scsi/scsiconf.h>
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#include <dev/ic/trm.h>
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int trm_pci_probe (struct device *, void *, void *);
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void trm_pci_attach (struct device *, struct device *, void *);
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const struct cfattach trm_pci_ca = {
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sizeof(struct trm_softc),
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trm_pci_probe,
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trm_pci_attach,
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NULL, /* Detach */
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NULL, /* Activate */
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};
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struct cfdriver trm_cd = {
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NULL, "trm", DV_DULL
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};
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const struct scsi_adapter trm_switch = {
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trm_scsi_cmd, NULL, NULL, NULL, NULL
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};
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/*
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* ------------------------------------------------------------
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* Function : trm_pci_probe
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* Purpose : Check the slots looking for a board we recognize.
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* If we find one, note ti's address (slot) and call
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* the actual probe routine to check it out.
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* Inputs :
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* ------------------------------------------------------------
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*/
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int
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trm_pci_probe(struct device *parent, void *match, void *aux)
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{
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struct pci_attach_args *pa = aux;
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if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TEKRAM2) {
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switch (PCI_PRODUCT(pa->pa_id)) {
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case PCI_PRODUCT_TEKRAM2_DC3X5U:
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return 1;
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}
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}
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return 0;
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}
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/*
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* ------------------------------------------------------------
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* Function : trm_pci_attach
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* Purpose :
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* Inputs :
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* ------------------------------------------------------------
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*/
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void
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trm_pci_attach(struct device *parent, struct device *self, void *aux)
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{
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struct pci_attach_args *pa = aux;
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struct scsibus_attach_args saa;
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bus_space_handle_t ioh;/* bus space handle */
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pci_intr_handle_t ih;
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struct trm_softc *sc = (void *)self;
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bus_space_tag_t iot; /* bus space tag */
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const char *intrstr;
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int unit;
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unit = sc->sc_device.dv_unit;
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if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_TEKRAM2_DC3X5U)
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return;
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/*
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* mask for get correct base address of pci IO port
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*/
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if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0,
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&iot, &ioh, NULL, NULL, 0) != 0) {
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printf("%s: unable to map registers\n", sc->sc_device.dv_xname);
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return;
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}
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/*
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* test checksum of eeprom & initial "ACB" adapter control block
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*/
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sc->sc_iotag = iot;
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sc->sc_iohandle = ioh;
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sc->sc_dmatag = pa->pa_dmat;
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if (trm_init(sc, unit) != 0) {
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printf("%s: trm_init failed", sc->sc_device.dv_xname);
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return;
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}
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/*
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* Map and establish interrupt
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*/
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if (pci_intr_map(pa, &ih)) {
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printf("%s: couldn't map interrupt\n", sc->sc_device.dv_xname);
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return;
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}
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intrstr = pci_intr_string(pa->pa_pc, ih);
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if (pci_intr_establish(pa->pa_pc, ih, IPL_BIO, trm_Interrupt, sc,
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sc->sc_device.dv_xname) == NULL) {
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printf("\n%s: couldn't establish interrupt", sc->sc_device.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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} else {
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if (intrstr != NULL)
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printf(": %s\n", intrstr);
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saa.saa_adapter_softc = sc;
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saa.saa_adapter_target = sc->sc_AdaptSCSIID;
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saa.saa_adapter = &trm_switch;
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saa.saa_adapter_buswidth = ((sc->sc_config & HCC_WIDE_CARD) == 0) ? 8:16;
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saa.saa_luns = 8;
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saa.saa_openings = 30; /* So TagMask (32 bit integer) always has space */
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saa.saa_pool = &sc->sc_iopool;
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saa.saa_quirks = saa.saa_flags = 0;
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saa.saa_wwpn = saa.saa_wwnn = 0;
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config_found(&sc->sc_device, &saa, scsiprint);
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}
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}
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