Annotation of sys/dev/pci/adw_pci.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: adw_pci.c,v 1.14 2007/04/10 17:47:55 miod Exp $ */
! 2: /* $NetBSD: adw_pci.c,v 1.7 2000/05/26 15:13:46 dante Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * Author: Baldassare Dante Profeta <dante@mclink.it>
! 9: *
! 10: * Redistribution and use in source and binary forms, with or without
! 11: * modification, are permitted provided that the following conditions
! 12: * are met:
! 13: * 1. Redistributions of source code must retain the above copyright
! 14: * notice, this list of conditions and the following disclaimer.
! 15: * 2. Redistributions in binary form must reproduce the above copyright
! 16: * notice, this list of conditions and the following disclaimer in the
! 17: * documentation and/or other materials provided with the distribution.
! 18: * 3. All advertising materials mentioning features or use of this software
! 19: * must display the following acknowledgement:
! 20: * This product includes software developed by the NetBSD
! 21: * Foundation, Inc. and its contributors.
! 22: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 23: * contributors may be used to endorse or promote products derived
! 24: * from this software without specific prior written permission.
! 25: *
! 26: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 27: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 36: * POSSIBILITY OF SUCH DAMAGE.
! 37: */
! 38: /*
! 39: * Device probe and attach routines for the following
! 40: * Advanced Systems Inc. SCSI controllers:
! 41: *
! 42: * ABP-940UW - Bus-Master PCI Ultra-Wide (253 CDB)
! 43: * ABP-940UW (68) - Bus-Master PCI Ultra-Wide (253 CDB)
! 44: * ABP-940UWD - Bus-Master PCI Ultra-Wide (253 CDB)
! 45: * ABP-970UW - Bus-Master PCI Ultra-Wide (253 CDB)
! 46: * ASB-3940UW - Bus-Master PCI Ultra-Wide (253 CDB)
! 47: * ASB-3940U2W-00 - Bus-Master PCI Ultra2-Wide (253 CDB)
! 48: * ASB-3940U3W-00 - Bus-Master PCI Ultra3-Wide (253 CDB)
! 49: */
! 50:
! 51: #include <sys/types.h>
! 52: #include <sys/param.h>
! 53: #include <sys/systm.h>
! 54: #include <sys/malloc.h>
! 55: #include <sys/kernel.h>
! 56: #include <sys/queue.h>
! 57: #include <sys/device.h>
! 58: #include <sys/timeout.h>
! 59:
! 60: #include <machine/bus.h>
! 61: #include <machine/intr.h>
! 62:
! 63: #include <scsi/scsi_all.h>
! 64: #include <scsi/scsiconf.h>
! 65:
! 66: #include <dev/pci/pcireg.h>
! 67: #include <dev/pci/pcivar.h>
! 68: #include <dev/pci/pcidevs.h>
! 69:
! 70: #include <dev/ic/adwlib.h>
! 71: #include <dev/microcode/adw/adwmcode.h>
! 72: #include <dev/ic/adw.h>
! 73:
! 74: /******************************************************************************/
! 75:
! 76: #define PCI_BASEADR_IO 0x10
! 77:
! 78: /******************************************************************************/
! 79:
! 80: int adw_pci_match(struct device *, void *, void *);
! 81: void adw_pci_attach(struct device *, struct device *, void *);
! 82:
! 83: struct cfattach adw_pci_ca =
! 84: {
! 85: sizeof(ADW_SOFTC), adw_pci_match, adw_pci_attach
! 86: };
! 87:
! 88: const struct pci_matchid adw_pci_devices[] = {
! 89: { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_WIDE },
! 90: { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_U2W },
! 91: { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_U3W },
! 92: };
! 93:
! 94: /******************************************************************************/
! 95: /*
! 96: * Check the slots looking for a board we recognise
! 97: * If we find one, note its address (slot) and call
! 98: * the actual probe routine to check it out.
! 99: */
! 100: int
! 101: adw_pci_match(parent, match, aux)
! 102: struct device *parent;
! 103: void *match;
! 104: void *aux;
! 105: {
! 106: return (pci_matchbyid((struct pci_attach_args *)aux, adw_pci_devices,
! 107: sizeof(adw_pci_devices)/sizeof(adw_pci_devices[0])));
! 108: }
! 109:
! 110:
! 111: void
! 112: adw_pci_attach(parent, self, aux)
! 113: struct device *parent, *self;
! 114: void *aux;
! 115: {
! 116: struct pci_attach_args *pa = aux;
! 117: ADW_SOFTC *sc = (void *) self;
! 118: bus_space_tag_t iot;
! 119: bus_space_handle_t ioh;
! 120: pci_intr_handle_t ih;
! 121: pci_chipset_tag_t pc = pa->pa_pc;
! 122: pcireg_t command;
! 123: const char *intrstr;
! 124:
! 125: /*
! 126: * Set chip type
! 127: */
! 128: switch (PCI_PRODUCT(pa->pa_id)) {
! 129: case PCI_PRODUCT_ADVSYS_WIDE:
! 130: sc->chip_type = ADW_CHIP_ASC3550;
! 131: break;
! 132:
! 133: case PCI_PRODUCT_ADVSYS_U2W:
! 134: sc->chip_type = ADW_CHIP_ASC38C0800;
! 135: break;
! 136:
! 137: case PCI_PRODUCT_ADVSYS_U3W:
! 138: sc->chip_type = ADW_CHIP_ASC38C1600;
! 139: break;
! 140:
! 141: default:
! 142: printf("\n%s: unknown model: %d\n", sc->sc_dev.dv_xname,
! 143: PCI_PRODUCT(pa->pa_id));
! 144: return;
! 145: }
! 146:
! 147: command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
! 148: if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0)
! 149: sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR;
! 150:
! 151: /*
! 152: * Map Device Registers for I/O
! 153: */
! 154: if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
! 155: &iot, &ioh, NULL, NULL, 0)) {
! 156: printf("\n%s: unable to map device registers\n",
! 157: sc->sc_dev.dv_xname);
! 158: return;
! 159: }
! 160: sc->sc_iot = iot;
! 161: sc->sc_ioh = ioh;
! 162: sc->sc_dmat = pa->pa_dmat;
! 163:
! 164: /*
! 165: * Initialize the board
! 166: */
! 167: if (adw_init(sc)) {
! 168: printf("%s: adw_init failed", sc->sc_dev.dv_xname);
! 169: return;
! 170: }
! 171:
! 172: /*
! 173: * Map Interrupt line
! 174: */
! 175: if (pci_intr_map(pa, &ih)) {
! 176: printf("\n%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
! 177: return;
! 178: }
! 179: intrstr = pci_intr_string(pc, ih);
! 180:
! 181: /*
! 182: * Establish Interrupt handler
! 183: */
! 184: sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc,
! 185: sc->sc_dev.dv_xname);
! 186: if (sc->sc_ih == NULL) {
! 187: printf("\n%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
! 188: if (intrstr != NULL)
! 189: printf(" at %s", intrstr);
! 190: printf("\n");
! 191: return;
! 192: }
! 193: printf(": %s\n", intrstr);
! 194:
! 195: /*
! 196: * Attach all the sub-devices we can find
! 197: */
! 198: adw_attach(sc);
! 199: }
! 200: /******************************************************************************/
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