Annotation of sys/dev/pci/adv_pci.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: adv_pci.c,v 1.9 2007/04/10 17:47:55 miod Exp $ */
! 2: /* $NetBSD: adv_pci.c,v 1.5 1998/09/26 15:52:55 dante Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
! 6: *
! 7: * Author: Baldassare Dante Profeta <dante@mclink.it>
! 8: *
! 9: * Redistribution and use in source and binary forms, with or without
! 10: * modification, are permitted provided that the following conditions
! 11: * are met:
! 12: * 1. Redistributions of source code must retain the above copyright
! 13: * notice, this list of conditions and the following disclaimer.
! 14: * 2. Redistributions in binary form must reproduce the above copyright
! 15: * notice, this list of conditions and the following disclaimer in the
! 16: * documentation and/or other materials provided with the distribution.
! 17: * 3. All advertising materials mentioning features or use of this software
! 18: * must display the following acknowledgement:
! 19: * This product includes software developed by the NetBSD
! 20: * Foundation, Inc. and its contributors.
! 21: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 22: * contributors may be used to endorse or promote products derived
! 23: * from this software without specific prior written permission.
! 24: *
! 25: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 26: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 27: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 28: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 29: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 30: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 31: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 32: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 33: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 34: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 35: * POSSIBILITY OF SUCH DAMAGE.
! 36: */
! 37: /*
! 38: * Device probe and attach routines for the following
! 39: * Advanced Systems Inc. SCSI controllers:
! 40: *
! 41: * Connectivity Products:
! 42: * ABP920 - Bus-Master PCI (16 CDB)
! 43: * ABP930 - Bus-Master PCI (16 CDB) (Footnote 1)
! 44: * ABP930U - Bus-Master PCI Ultra (16 CDB)
! 45: * ABP930UA - Bus-Master PCI Ultra (16 CDB)
! 46: * ABP960 - Bus-Master PCI MAC/PC (16 CDB) (Footnote 2)
! 47: * ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB) (Footnote 2)
! 48: *
! 49: * Single Channel Products:
! 50: * ABP940 - Bus-Master PCI (240 CDB)
! 51: * ABP940U - Bus-Master PCI Ultra (240 CDB)
! 52: * ABP970 - Bus-Master PCI MAC/PC (240 CDB)
! 53: * ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB)
! 54: *
! 55: * Multi Channel Products:
! 56: * ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel)
! 57: * ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel)
! 58: * ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel)
! 59: *
! 60: * Footnotes:
! 61: * 1. This board has been sold by SIIG as the Fast SCSI Pro PCI.
! 62: * 2. This board has been sold by Iomega as a Jaz Jet PCI adapter.
! 63: */
! 64:
! 65: #include <sys/types.h>
! 66: #include <sys/param.h>
! 67: #include <sys/systm.h>
! 68: #include <sys/malloc.h>
! 69: #include <sys/kernel.h>
! 70: #include <sys/queue.h>
! 71: #include <sys/device.h>
! 72:
! 73: #include <machine/bus.h>
! 74: #include <machine/intr.h>
! 75:
! 76: #include <scsi/scsi_all.h>
! 77: #include <scsi/scsiconf.h>
! 78:
! 79: #include <dev/pci/pcireg.h>
! 80: #include <dev/pci/pcivar.h>
! 81: #include <dev/pci/pcidevs.h>
! 82:
! 83: #include <dev/ic/adv.h>
! 84: #include <dev/ic/advlib.h>
! 85:
! 86: /******************************************************************************/
! 87:
! 88: #define PCI_CBIO 0x10
! 89:
! 90: /******************************************************************************/
! 91:
! 92: int adv_pci_match(struct device *, void *, void *);
! 93: void adv_pci_attach(struct device *, struct device *, void *);
! 94:
! 95: struct cfattach adv_pci_ca =
! 96: {
! 97: sizeof(ASC_SOFTC), adv_pci_match, adv_pci_attach
! 98: };
! 99:
! 100: const struct pci_matchid adv_pci_devices[] = {
! 101: { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_1200A },
! 102: { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_1200B },
! 103: { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_ULTRA },
! 104: };
! 105:
! 106: /******************************************************************************/
! 107: /*
! 108: * Check the slots looking for a board we recognise
! 109: * If we find one, note its address (slot) and call
! 110: * the actual probe routine to check it out.
! 111: */
! 112: int
! 113: adv_pci_match(parent, match, aux)
! 114: struct device *parent;
! 115: void *match, *aux;
! 116: {
! 117: return (pci_matchbyid((struct pci_attach_args *)aux, adv_pci_devices,
! 118: sizeof(adv_pci_devices)/sizeof(adv_pci_devices[0])));
! 119: }
! 120:
! 121:
! 122: void
! 123: adv_pci_attach(parent, self, aux)
! 124: struct device *parent, *self;
! 125: void *aux;
! 126: {
! 127: struct pci_attach_args *pa = aux;
! 128: ASC_SOFTC *sc = (void *) self;
! 129: bus_space_handle_t ioh;
! 130: bus_size_t advsize;
! 131: pci_intr_handle_t ih;
! 132: pci_chipset_tag_t pc = pa->pa_pc;
! 133: const char *intrstr;
! 134: int retval;
! 135:
! 136: sc->sc_flags = 0x0;
! 137:
! 138: /*
! 139: * Latency timer settings.
! 140: */
! 141: {
! 142: u_int32_t bhlcr;
! 143:
! 144: bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
! 145:
! 146: if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A ||
! 147: PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) {
! 148: bhlcr &= 0xFFFF00FFul;
! 149: pci_conf_write(pa->pa_pc, pa->pa_tag,
! 150: PCI_BHLC_REG, bhlcr);
! 151: } else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA) &&
! 152: (PCI_LATTIMER(bhlcr) < 0x20)) {
! 153: bhlcr &= 0xFFFF00FFul;
! 154: bhlcr |= 0x00002000ul;
! 155: pci_conf_write(pa->pa_pc, pa->pa_tag,
! 156: PCI_BHLC_REG, bhlcr);
! 157: }
! 158: }
! 159:
! 160:
! 161: /*
! 162: * Map Device Registers for I/O
! 163: */
! 164: retval = pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
! 165: &sc->sc_iot, &ioh, NULL, &advsize, 0);
! 166: if (retval) {
! 167: printf(": unable to map device registers\n");
! 168: return;
! 169: }
! 170: sc->sc_ioh = ioh;
! 171: sc->sc_dmat = pa->pa_dmat;
! 172: sc->pci_device_id = pa->pa_id;
! 173: sc->bus_type = ASC_IS_PCI;
! 174:
! 175: /*
! 176: * Initialize the board
! 177: */
! 178: if (adv_init(sc)) {
! 179: printf(": adv_init failed\n");
! 180: bus_space_unmap(sc->sc_iot, ioh, advsize);
! 181: return;
! 182: }
! 183:
! 184: /*
! 185: * Map Interrupt line
! 186: */
! 187: if (pci_intr_map(pa, &ih)) {
! 188: printf(": couldn't map interrupt\n");
! 189: bus_space_unmap(sc->sc_iot, ioh, advsize);
! 190: return;
! 191: }
! 192: intrstr = pci_intr_string(pc, ih);
! 193:
! 194: /*
! 195: * Establish Interrupt handler
! 196: */
! 197: sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc,
! 198: sc->sc_dev.dv_xname);
! 199: if (sc->sc_ih == NULL) {
! 200: printf(": couldn't establish interrupt");
! 201: if (intrstr != NULL)
! 202: printf(" at %s", intrstr);
! 203: printf("\n");
! 204: bus_space_unmap(sc->sc_iot, ioh, advsize);
! 205: return;
! 206: }
! 207: printf(": %s\n", intrstr);
! 208:
! 209: /*
! 210: * Attach all the sub-devices we can find
! 211: */
! 212: adv_attach(sc);
! 213: }
! 214: /******************************************************************************/
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