/* $NetBSD: adv_isa.c,v 1.21 2016/07/07 06:55:41 msaitoh Exp $ */ /* * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved. * * Author: Baldassare Dante Profeta * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Device probe and attach routines for the following * Advanced Systems Inc. SCSI controllers: * * Connectivity Products: * ABP510/5150 - Bus-Master ISA (240 CDB) (Footnote 1) * ABP5140 - Bus-Master ISA (16 CDB) (Footnote 1) (Footnote 2) * ABP5142 - Bus-Master ISA with floppy (16 CDB) (Footnote 3) * * Single Channel Products: * ABP542 - Bus-Master ISA with floppy (240 CDB) * ABP842 - Bus-Master VL (240 CDB) * * Dual Channel Products: * ABP852 - Dual Channel Bus-Master VL (240 CDB Per Channel) * * Footnotes: * 1. This board has been shipped by HP with the 4020i CD-R drive. * The board has no BIOS so it cannot control a boot device, but * it can control any secondary SCSI device. * 2. This board has been sold by SIIG as the i540 SpeedMaster. * 3. This board has been sold by SIIG as the i542 SpeedMaster. */ #include __KERNEL_RCSID(0, "$NetBSD: adv_isa.c,v 1.21 2016/07/07 06:55:41 msaitoh Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* Possible port addresses an ISA or VL adapter can live at */ static int asc_ioport[ASC_IOADR_TABLE_MAX_IX] = { 0x100, ASC_IOADR_1, /* First selection in BIOS setup */ 0x120, ASC_IOADR_2, /* Second selection in BIOS setup */ 0x140, ASC_IOADR_3, /* Third selection in BIOS setup */ ASC_IOADR_4, /* Fourth selection in BIOS setup */ ASC_IOADR_5, /* Fifth selection in BIOS setup */ ASC_IOADR_6, /* Sixth selection in BIOS setup */ ASC_IOADR_7, /* Seventh selection in BIOS setup */ ASC_IOADR_8 /* Eighth and default selection in BIOS setup */ }; /******************************************************************************/ int adv_isa_probe(device_t, cfdata_t, void *); void adv_isa_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(adv_isa, sizeof(ASC_SOFTC), adv_isa_probe, adv_isa_attach, NULL, NULL); /******************************************************************************/ int adv_isa_probe(device_t parent, cfdata_t match, void *aux) { struct isa_attach_args *ia = aux; bus_space_tag_t iot = ia->ia_iot; bus_space_handle_t ioh; int port_index; int iobase, irq, drq; int rv = 0; if (ia->ia_nio < 1) return (0); if (ia->ia_nirq < 1) return (0); if (ia->ia_ndrq < 1) return (0); if (ISA_DIRECT_CONFIG(ia)) return (0); /* * If the I/O address is wildcarded, look for boards * in ascending order. */ if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) { for (port_index = 0; port_index < ASC_IOADR_TABLE_MAX_IX; port_index++) { iobase = asc_ioport[port_index]; if (iobase) { if (bus_space_map(iot, iobase, ASC_IOADR_GAP, 0, &ioh)) continue; rv = AscFindSignature(iot, ioh); if (rv) { ia->ia_io[0].ir_addr = iobase; break; } bus_space_unmap(iot, ioh, ASC_IOADR_GAP); } } if (rv == 0) return (0); } else { iobase = ia->ia_io[0].ir_addr; if (bus_space_map(iot, iobase, ASC_IOADR_GAP, 0, &ioh)) return (0); rv = AscFindSignature(iot, ioh); if (rv == 0) { bus_space_unmap(iot, ioh, ASC_IOADR_GAP); return (0); } } /* XXXJRT Probe routines should not have side-effects!! */ ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT); ASC_SET_CHIP_STATUS(iot, ioh, 0); irq = AscGetChipIRQ(iot, ioh, ASC_IS_ISA); drq = AscGetIsaDmaChannel(iot, ioh); /* Verify that the IRQ/DRQ match (or are wildcarded). */ if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ && ia->ia_irq[0].ir_irq != irq) { rv = 0; goto out; } if (ia->ia_drq[0].ir_drq != ISA_UNKNOWN_DRQ && ia->ia_drq[0].ir_drq != drq) { rv = 0; goto out; } ia->ia_nio = 1; ia->ia_io[0].ir_addr = iobase; ia->ia_io[0].ir_size = ASC_IOADR_GAP; ia->ia_nirq = 1; ia->ia_irq[0].ir_irq = irq; ia->ia_ndrq = 1; ia->ia_drq[0].ir_drq = drq; ia->ia_niomem = 0; out: bus_space_unmap(iot, ioh, ASC_IOADR_GAP); return rv; } void adv_isa_attach(device_t parent, device_t self, void *aux) { struct isa_attach_args *ia = aux; ASC_SOFTC *sc = device_private(self); bus_space_tag_t iot = ia->ia_iot; bus_space_handle_t ioh; isa_chipset_tag_t ic = ia->ia_ic; int error; printf("\n"); sc->sc_dev = self; sc->sc_flags = 0x0; if (bus_space_map(iot, ia->ia_io[0].ir_addr, ASC_IOADR_GAP, 0, &ioh)) { aprint_error_dev(sc->sc_dev, "can't map i/o space\n"); return; } sc->sc_iot = iot; sc->sc_ioh = ioh; sc->sc_dmat = ia->ia_dmat; sc->bus_type = ASC_IS_ISA; sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh); /* * Memo: * for EISA cards: * sc->chip_version = (ASC_CHIP_MIN_VER_EISA - 1) + ea->ea_pid[1]; */ /* * Initialize the board */ if (adv_init(sc)) { aprint_error_dev(sc->sc_dev, "adv_init failed\n"); return; } if ((error = isa_dmacascade(ic, ia->ia_drq[0].ir_drq)) != 0) { aprint_error_dev(sc->sc_dev, "unable to cascade DRQ, error = %d\n", error); return; } sc->sc_ih = isa_intr_establish(ic, ia->ia_irq[0].ir_irq, IST_EDGE, IPL_BIO, adv_intr, sc); if (sc->sc_ih == NULL) { aprint_error_dev(sc->sc_dev, "couldn't establish interrupt\n"); return; } adv_attach(sc); }