/* $OpenBSD: if_sn_nubus.c,v 1.13 2001/07/04 08:52:45 niklas Exp $ */ /* $NetBSD: if_sn_nubus.c,v 1.13 1997/05/11 19:11:34 scottr Exp $ */ /* * Copyright (C) 1997 Allen Briggs * All rights reserved. * * 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 Allen Briggs * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 #include #include #include #include #include #include #include #ifdef INET #include #include #endif #include #include #include "nubus.h" #include "if_snreg.h" #include "if_snvar.h" static int sn_nubus_match __P((struct device *, void *, void *)); static void sn_nubus_attach __P((struct device *, struct device *, void *)); static int sn_nb_card_vendor __P((bus_space_tag_t, bus_space_handle_t, struct nubus_attach_args *)); struct cfattach sn_nubus_ca = { sizeof(struct sn_softc), sn_nubus_match, sn_nubus_attach }; static int sn_nubus_match(parent, cf, aux) struct device *parent; void *cf; void *aux; { struct nubus_attach_args *na = (struct nubus_attach_args *) aux; bus_space_handle_t bsh; int rv; if (bus_space_map(na->na_tag, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) return (0); rv = 0; if (na->category == NUBUS_CATEGORY_NETWORK && na->type == NUBUS_TYPE_ETHERNET) { switch (sn_nb_card_vendor(na->na_tag, bsh, na)) { default: break; case SN_VENDOR_APPLE: case SN_VENDOR_DAYNA: case SN_VENDOR_APPLE16: rv = 1; break; } } bus_space_unmap(na->na_tag, bsh, NBMEMSIZE); return rv; } /* * Install interface into kernel networking data structures */ static void sn_nubus_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct sn_softc *sc = (void *)self; struct nubus_attach_args *na = (struct nubus_attach_args *)aux; int i, success, offset; bus_space_tag_t bst; bus_space_handle_t bsh, tmp_bsh; u_int8_t myaddr[ETHER_ADDR_LEN]; (void)(&offset); /* Work around lame gcc initialization bug */ bst = na->na_tag; if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) { printf(": failed to map memory space.\n"); return; } sc->sc_regt = bst; success = 0; sc->slotno = na->slot; switch (sn_nb_card_vendor(bst, bsh, na)) { case SN_VENDOR_DAYNA: sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; sc->snr_dcr2 = 0; sc->bitmode = 1; /* 32 bit card */ if (bus_space_subregion(bst, bsh, 0x00180000, SN_REGSIZE, &sc->sc_regh)) { printf(": failed to map register space.\n"); break; } if (bus_space_subregion(bst, bsh, 0x00ffe004, ETHER_ADDR_LEN, &tmp_bsh)) { printf(": failed to map ROM space.\n"); break; } sn_get_enaddr(bst, tmp_bsh, 0, myaddr); offset = 2; success = 1; break; case SN_VENDOR_APPLE: sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; sc->snr_dcr2 = 0; sc->bitmode = 1; /* 32 bit card */ if (bus_space_subregion(bst, bsh, 0x0, SN_REGSIZE, &sc->sc_regh)) { printf(": failed to map register space.\n"); break; } if (bus_space_subregion(bst, bsh, 0x40000, ETHER_ADDR_LEN, &tmp_bsh)) { printf(": failed to map ROM space.\n"); break; } sn_get_enaddr(bst, tmp_bsh, 0, myaddr); offset = 0; success = 1; break; case SN_VENDOR_APPLE16: sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_EXBUS | DCR_DMABLOCK | DCR_PO1 | DCR_RFT16 | DCR_TFT16; sc->snr_dcr2 = 0; sc->bitmode = 0; /* 16 bit card */ if (bus_space_subregion(bst, bsh, 0x0, SN_REGSIZE, &sc->sc_regh)) { printf(": failed to map register space.\n"); break; } if (bus_space_subregion(bst, bsh, 0x40000, ETHER_ADDR_LEN, &tmp_bsh)) { printf(": failed to map ROM space.\n"); break; } sn_get_enaddr(bst, tmp_bsh, 0, myaddr); offset = 0; success = 1; break; default: /* * You can't actually get this default, the snmatch * will fail for unknown hardware. If you're adding support * for a new card, the following defaults are a * good starting point. */ sc->snr_dcr = DCR_SYNC | DCR_WAIT0 | DCR_DW32 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; sc->snr_dcr2 = 0; success = 0; printf(": unknown card: attachment incomplete.\n"); } if (!success) { bus_space_unmap(bst, bsh, NBMEMSIZE); return; } /* Regs are addressed as words, big endian. */ for (i = 0; i < SN_NREGS; i++) { sc->sc_reg_map[i] = (bus_size_t)((i * 4) + offset); } /* snsetup returns 1 if something fails */ if (snsetup(sc, myaddr)) { bus_space_unmap(bst, bsh, NBMEMSIZE); return; } add_nubus_intr(sc->slotno, snintr, (void *)sc); return; } static int sn_nb_card_vendor(bst, bsh, na) bus_space_tag_t bst; bus_space_handle_t bsh; struct nubus_attach_args *na; { int vendor = SN_VENDOR_UNKNOWN; switch (na->drsw) { case NUBUS_DRSW_3COM: if (na->drhw == NUBUS_DRHW_APPLE_SN) vendor = SN_VENDOR_APPLE; else if (na->drhw == NUBUS_DRHW_APPLE_SNT) vendor = SN_VENDOR_APPLE16; break; case NUBUS_DRSW_APPLE: case NUBUS_DRSW_TECHWORKS: vendor = SN_VENDOR_APPLE; break; case NUBUS_DRSW_GATOR: if (na->drhw == NUBUS_DRHW_KINETICS && strncmp(nubus_get_card_name(na->fmt), "EtherPort", 9) != 0) vendor = SN_VENDOR_DAYNA; break; case NUBUS_DRSW_DAYNA: vendor = SN_VENDOR_DAYNA; break; } return vendor; }