Annotation of sys/dev/pci/trm_pci.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: trm_pci.c,v 1.4 2006/11/28 23:59:45 dlg Exp $
! 2: * ------------------------------------------------------------
! 3: * O.S : OpenBSD
! 4: * FILE NAME : trm_pci.c
! 5: * BY : Erich Chen (erich@tekram.com.tw)
! 6: * Description: Device Driver for Tekram DC395U/UW/F,DC315/U
! 7: * PCI SCSI Bus Master Host Adapter
! 8: * (SCSI chip set used Tekram ASIC TRM-S1040)
! 9: * (C)Copyright 1995-1999 Tekram Technology Co., Ltd.
! 10: * (C)Copyright 2001-2002 Ashley R. Martens and Kenneth R. Westerback
! 11: * ------------------------------------------------------------
! 12: * HISTORY:
! 13: *
! 14: * REV# DATE NAME DESCRIPTION
! 15: * 1.00 05/01/99 ERICH CHEN First released for NetBSD 1.4.x
! 16: * 1.01 00/00/00 MARTIN AKESSON Port to OpenBSD 2.8
! 17: * 1.02 Sep 19, 2001 ASHLEY MARTENS Cleanup and formatting
! 18: * ------------------------------------------------------------
! 19: *
! 20: * Redistribution and use in source and binary forms, with or without
! 21: * modification, are permitted provided that the following conditions
! 22: * are met:
! 23: * 1. Redistributions of source code must retain the above copyright
! 24: * notice, this list of conditions and the following disclaimer.
! 25: * 2. Redistributions in binary form must reproduce the above copyright
! 26: * notice, this list of conditions and the following disclaimer in the
! 27: * documentation and/or other materials provided with the distribution.
! 28: * 3. The name of the author may not be used to endorse or promote products
! 29: * derived from this software without specific prior written permission.
! 30: *
! 31: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 32: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 33: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 34: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 35: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 36: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 37: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 38: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 39: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 40: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 41: *
! 42: * ------------------------------------------------------------
! 43: */
! 44:
! 45: #include <sys/param.h>
! 46: #include <sys/systm.h>
! 47: #include <sys/device.h>
! 48:
! 49: #include <dev/pci/pcidevs.h>
! 50: #include <dev/pci/pcivar.h>
! 51:
! 52: #include <scsi/scsi_all.h>
! 53: #include <scsi/scsiconf.h>
! 54:
! 55: #include <dev/ic/trm.h>
! 56:
! 57: int trm_pci_probe (struct device *, void *, void *);
! 58: void trm_pci_attach (struct device *, struct device *, void *);
! 59:
! 60: struct cfattach trm_pci_ca = {
! 61: sizeof(struct trm_softc),
! 62: trm_pci_probe,
! 63: trm_pci_attach,
! 64: NULL, /* Detach */
! 65: NULL, /* Activate */
! 66: };
! 67:
! 68:
! 69: /*
! 70: * ------------------------------------------------------------
! 71: * Function : trm_pci_probe
! 72: * Purpose : Check the slots looking for a board we recognize.
! 73: * If we find one, note ti's address (slot) and call
! 74: * the actual probe routine to check it out.
! 75: * Inputs :
! 76: * ------------------------------------------------------------
! 77: */
! 78: int
! 79: trm_pci_probe(struct device *parent, void *match, void *aux)
! 80: {
! 81: struct pci_attach_args *pa = aux;
! 82:
! 83: if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TEKRAM2) {
! 84: switch (PCI_PRODUCT(pa->pa_id)) {
! 85: case PCI_PRODUCT_TEKRAM2_DC3X5U:
! 86: return 1;
! 87: }
! 88: }
! 89: return 0;
! 90: }
! 91:
! 92: /*
! 93: * ------------------------------------------------------------
! 94: * Function : trm_pci_attach
! 95: * Purpose :
! 96: * Inputs :
! 97: * ------------------------------------------------------------
! 98: */
! 99: void
! 100: trm_pci_attach(struct device *parent, struct device *self, void *aux)
! 101: {
! 102: struct pci_attach_args *pa = aux;
! 103: struct scsibus_attach_args saa;
! 104: bus_space_handle_t ioh;/* bus space handle */
! 105: pci_intr_handle_t ih;
! 106: struct trm_softc *sc = (void *)self;
! 107: bus_space_tag_t iot; /* bus space tag */
! 108: const char *intrstr;
! 109: int unit;
! 110:
! 111: unit = sc->sc_device.dv_unit;
! 112:
! 113: if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_TEKRAM2_DC3X5U)
! 114: return;
! 115:
! 116: /*
! 117: * mask for get correct base address of pci IO port
! 118: */
! 119: if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0,
! 120: &iot, &ioh, NULL, NULL, 0) != 0) {
! 121: printf("%s: unable to map registers\n", sc->sc_device.dv_xname);
! 122: return;
! 123: }
! 124:
! 125: /*
! 126: * test checksum of eeprom & initial "ACB" adapter control block
! 127: */
! 128: sc->sc_iotag = iot;
! 129: sc->sc_iohandle = ioh;
! 130: sc->sc_dmatag = pa->pa_dmat;
! 131:
! 132: if (trm_init(sc, unit) != 0) {
! 133: printf("%s: trm_init failed", sc->sc_device.dv_xname);
! 134: return;
! 135: }
! 136:
! 137: /*
! 138: * Map and establish interrupt
! 139: */
! 140: if (pci_intr_map(pa, &ih)) {
! 141: printf("%s: couldn't map interrupt\n", sc->sc_device.dv_xname);
! 142: return;
! 143: }
! 144: intrstr = pci_intr_string(pa->pa_pc, ih);
! 145:
! 146: if (pci_intr_establish(pa->pa_pc, ih, IPL_BIO, trm_Interrupt, sc,
! 147: sc->sc_device.dv_xname) == NULL) {
! 148: printf("\n%s: couldn't establish interrupt", sc->sc_device.dv_xname);
! 149: if (intrstr != NULL)
! 150: printf(" at %s", intrstr);
! 151: printf("\n");
! 152: } else {
! 153: if (intrstr != NULL)
! 154: printf(": %s\n", intrstr);
! 155:
! 156: bzero(&saa, sizeof(saa));
! 157: saa.saa_sc_link = &sc->sc_link;
! 158:
! 159: /* Tell SCSI layer about our SCSI bus */
! 160: config_found(&sc->sc_device, &saa, scsiprint);
! 161: }
! 162: }
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