267 lines
7.3 KiB
C
267 lines
7.3 KiB
C
/* $NetBSD: adv_isa.c,v 1.11 2005/12/11 12:22:02 christos Exp $ */
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/*
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* Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
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*
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* Author: Baldassare Dante Profeta <dante@mclink.it>
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Device probe and attach routines for the following
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* Advanced Systems Inc. SCSI controllers:
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*
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* Connectivity Products:
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* ABP510/5150 - Bus-Master ISA (240 CDB) (Footnote 1)
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* ABP5140 - Bus-Master ISA (16 CDB) (Footnote 1) (Footnote 2)
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* ABP5142 - Bus-Master ISA with floppy (16 CDB) (Footnote 3)
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*
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* Single Channel Products:
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* ABP542 - Bus-Master ISA with floppy (240 CDB)
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* ABP842 - Bus-Master VL (240 CDB)
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*
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* Dual Channel Products:
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* ABP852 - Dual Channel Bus-Master VL (240 CDB Per Channel)
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*
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* Footnotes:
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* 1. This board has been shipped by HP with the 4020i CD-R drive.
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* The board has no BIOS so it cannot control a boot device, but
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* it can control any secondary SCSI device.
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* 2. This board has been sold by SIIG as the i540 SpeedMaster.
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* 3. This board has been sold by SIIG as the i542 SpeedMaster.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: adv_isa.c,v 1.11 2005/12/11 12:22:02 christos Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/device.h>
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#include <sys/buf.h>
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#include <sys/proc.h>
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#include <sys/user.h>
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#include <sys/queue.h>
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#include <machine/bus.h>
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#include <dev/scsipi/scsi_all.h>
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#include <dev/scsipi/scsipi_all.h>
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#include <dev/scsipi/scsiconf.h>
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#include <dev/isa/isavar.h>
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#include <dev/ic/advlib.h>
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#include <dev/ic/adv.h>
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/* Possible port addresses an ISA or VL adapter can live at */
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static int asc_ioport[ASC_IOADR_TABLE_MAX_IX] =
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{
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0x100,
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ASC_IOADR_1, /* First selection in BIOS setup */
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0x120,
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ASC_IOADR_2, /* Second selection in BIOS setup */
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0x140,
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ASC_IOADR_3, /* Third selection in BIOS setup */
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ASC_IOADR_4, /* Fourth selection in BIOS setup */
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ASC_IOADR_5, /* Fifth selection in BIOS setup */
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ASC_IOADR_6, /* Sixth selection in BIOS setup */
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ASC_IOADR_7, /* Seventh selection in BIOS setup */
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ASC_IOADR_8 /* Eighth and default selection in BIOS setup */
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};
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/******************************************************************************/
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int adv_isa_probe(struct device *, struct cfdata *, void *);
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void adv_isa_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(adv_isa, sizeof(ASC_SOFTC),
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adv_isa_probe, adv_isa_attach, NULL, NULL);
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/******************************************************************************/
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int
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adv_isa_probe(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct isa_attach_args *ia = aux;
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bus_space_tag_t iot = ia->ia_iot;
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bus_space_handle_t ioh;
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int port_index;
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int iobase, irq, drq;
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int rv = 0;
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if (ia->ia_nio < 1)
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return (0);
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if (ia->ia_nirq < 1)
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return (0);
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if (ia->ia_ndrq < 1)
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return (0);
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if (ISA_DIRECT_CONFIG(ia))
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return (0);
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/*
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* If the I/O address is wildcarded, look for boards
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* in ascending order.
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*/
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if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) {
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for (port_index = 0; port_index < ASC_IOADR_TABLE_MAX_IX;
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port_index++) {
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iobase = asc_ioport[port_index];
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if (iobase) {
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if (bus_space_map(iot, iobase, ASC_IOADR_GAP,
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0, &ioh))
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continue;
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rv = AscFindSignature(iot, ioh);
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if (rv) {
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ia->ia_io[0].ir_addr = iobase;
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break;
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}
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bus_space_unmap(iot, ioh, ASC_IOADR_GAP);
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}
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}
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if (rv == 0)
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return (0);
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} else {
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iobase = ia->ia_io[0].ir_addr;
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if (bus_space_map(iot, iobase, ASC_IOADR_GAP, 0, &ioh))
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return (0);
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rv = AscFindSignature(iot, ioh);
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if (rv == 0) {
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bus_space_unmap(iot, ioh, ASC_IOADR_GAP);
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return (0);
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}
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}
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/* XXXJRT Probe routines should not have side-effects!! */
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ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
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ASC_SET_CHIP_STATUS(iot, ioh, 0);
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irq = AscGetChipIRQ(iot, ioh, ASC_IS_ISA);
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drq = AscGetIsaDmaChannel(iot, ioh);
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/* Verify that the IRQ/DRQ match (or are wildcarded). */
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if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ &&
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ia->ia_irq[0].ir_irq != irq) {
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rv = 0;
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goto out;
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}
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if (ia->ia_drq[0].ir_drq != ISA_UNKNOWN_DRQ &&
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ia->ia_drq[0].ir_drq != drq) {
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rv = 0;
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goto out;
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}
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ia->ia_nio = 1;
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ia->ia_io[0].ir_addr = iobase;
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ia->ia_io[0].ir_size = ASC_IOADR_GAP;
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ia->ia_nirq = 1;
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ia->ia_irq[0].ir_irq = irq;
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ia->ia_ndrq = 1;
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ia->ia_drq[0].ir_drq = drq;
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ia->ia_niomem = 0;
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out:
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bus_space_unmap(iot, ioh, ASC_IOADR_GAP);
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return rv;
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}
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void
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adv_isa_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct isa_attach_args *ia = aux;
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ASC_SOFTC *sc = (void *) self;
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bus_space_tag_t iot = ia->ia_iot;
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bus_space_handle_t ioh;
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isa_chipset_tag_t ic = ia->ia_ic;
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int error;
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printf("\n");
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sc->sc_flags = 0x0;
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if (bus_space_map(iot, ia->ia_io[0].ir_addr, ASC_IOADR_GAP, 0, &ioh)) {
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printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
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return;
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}
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sc->sc_iot = iot;
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sc->sc_ioh = ioh;
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sc->sc_dmat = ia->ia_dmat;
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sc->bus_type = ASC_IS_ISA;
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sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);
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/*
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* Memo:
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* for EISA cards:
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* sc->chip_version = (ASC_CHIP_MIN_VER_EISA - 1) + ea->ea_pid[1];
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*/
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/*
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* Initialize the board
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*/
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if (adv_init(sc)) {
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printf("%s: adv_init failed\n", sc->sc_dev.dv_xname);
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return;
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}
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if ((error = isa_dmacascade(ic, ia->ia_drq[0].ir_drq)) != 0) {
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printf("%s: unable to cascade DRQ, error = %d\n",
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sc->sc_dev.dv_xname, error);
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return;
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}
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sc->sc_ih = isa_intr_establish(ic, ia->ia_irq[0].ir_irq, IST_EDGE,
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IPL_BIO, adv_intr, sc);
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if (sc->sc_ih == NULL) {
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printf("%s: couldn't establish interrupt\n",
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sc->sc_dev.dv_xname);
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return;
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}
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adv_attach(sc);
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}
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