/* $OpenBSD: bha_eisa.c,v 1.3 2002/03/14 01:26:53 millert Exp $ */ /* $NetBSD: bha_eisa.c,v 1.16 1998/08/15 10:10:49 mycroft Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles M. Hannum. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * 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. */ #include <sys/types.h> #include <sys/param.h> #include <sys/systm.h> #include <sys/device.h> #include <machine/bus.h> #include <machine/intr.h> #include <scsi/scsi_all.h> #include <scsi/scsiconf.h> #include <dev/eisa/eisavar.h> #include <dev/eisa/eisadevs.h> #include <dev/ic/bhareg.h> #include <dev/ic/bhavar.h> #define BHA_EISA_SLOT_OFFSET 0x0c80 #define BHA_EISA_IOSIZE 0x0010 #define BHA_ISA_IOSIZE 0x0004 #define BHA_EISA_IOCONF 0x0c int bha_eisa_address(bus_space_tag_t, bus_space_handle_t, int *); int bha_eisa_match(struct device *, void *, void *); void bha_eisa_attach(struct device *, struct device *, void *); struct cfattach bha_eisa_ca = { sizeof(struct bha_softc), bha_eisa_match, bha_eisa_attach }; int bha_eisa_address(iot, ioh, portp) bus_space_tag_t iot; bus_space_handle_t ioh; int *portp; { int port; switch (bus_space_read_1(iot, ioh, BHA_EISA_IOCONF) & 0x07) { case 0x00: port = 0x330; break; case 0x01: port = 0x334; break; case 0x02: port = 0x230; break; case 0x03: port = 0x234; break; case 0x04: port = 0x130; break; case 0x05: port = 0x134; break; default: return (1); } *portp = port; return (0); } /* * Check the slots looking for a board we recognise * If we find one, note it's address (slot) and call * the actual probe routine to check it out. */ int bha_eisa_match(parent, match, aux) struct device *parent; void *aux, *match; { struct eisa_attach_args *ea = aux; bus_space_tag_t iot = ea->ea_iot; bus_space_handle_t ioh, ioh2; int port; int rv; /* must match one of our known ID strings */ if (strcmp(ea->ea_idstring, "BUS4201") && strcmp(ea->ea_idstring, "BUS4202")) return (0); if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 0, &ioh)) return (0); if (bha_eisa_address(iot, ioh, &port) || bus_space_map(iot, port, BHA_ISA_IOSIZE, 0, &ioh2)) { bus_space_unmap(iot, ioh, BHA_EISA_IOSIZE); return (0); } rv = bha_find(iot, ioh2, NULL); bus_space_unmap(iot, ioh2, BHA_ISA_IOSIZE); bus_space_unmap(iot, ioh, BHA_EISA_IOSIZE); return (rv); } /* * Attach all the sub-devices we can find */ void bha_eisa_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct eisa_attach_args *ea = aux; struct bha_softc *sc = (void *)self; bus_space_tag_t iot = ea->ea_iot; bus_space_handle_t ioh, ioh2; int port; struct bha_probe_data bpd; eisa_chipset_tag_t ec = ea->ea_ec; eisa_intr_handle_t ih; const char *model, *intrstr; if (!strcmp(ea->ea_idstring, "BUS4201")) model = EISA_PRODUCT_BUS4201; else if (!strcmp(ea->ea_idstring, "BUS4202")) model = EISA_PRODUCT_BUS4202; else model = "unknown model!"; if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 0, &ioh)) { printf(": could not map EISA slot\n"); return; } if (bha_eisa_address(iot, ioh, &port) || bus_space_map(iot, port, BHA_ISA_IOSIZE, 0, &ioh2)) { printf(": could not map ISA address\n"); return; } sc->sc_iot = iot; sc->sc_ioh = ioh2; sc->sc_dmat = ea->ea_dmat; if (!bha_find(iot, ioh2, &bpd)) { printf(": bha_find failed\n"); return; } sc->sc_dmaflags = 0; if (eisa_intr_map(ec, bpd.sc_irq, &ih)) { printf(": couldn't map interrupt (%d)\n", bpd.sc_irq); return; } intrstr = eisa_intr_string(ec, ih); sc->sc_ih = eisa_intr_establish(ec, ih, IST_LEVEL, IPL_BIO, bha_intr, sc, sc->sc_dev.dv_xname); if (sc->sc_ih == NULL) { printf(": couldn't establish interrupt"); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); return; } printf(": %s, %s\n", intrstr, model); bha_attach(sc, &bpd); }