/* $OpenBSD: lebuffer.c,v 1.2 2002/05/13 18:16:38 jason Exp $ */ /* $NetBSD: lebuffer.c,v 1.12 2002/03/11 16:00:57 pk Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Paul Kranenburg. * * 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 #include #include #include #include #include #include #include #include #include #include #include int lebufprint(void *, const char *); int lebufmatch(struct device *, void *, void *); void lebufattach(struct device *, struct device *, void *); struct cfattach lebuffer_ca = { sizeof(struct lebuf_softc), lebufmatch, lebufattach }; int lebufprint(aux, busname) void *aux; const char *busname; { struct sbus_attach_args *sa = aux; bus_space_tag_t t = sa->sa_bustag; struct lebuf_softc *sc = t->cookie; sa->sa_bustag = sc->sc_bustag; /* XXX */ sbus_print(aux, busname); /* XXX */ sa->sa_bustag = t; /* XXX */ return (UNCONF); } int lebufmatch(parent, vcf, aux) struct device *parent; void *vcf; void *aux; { struct sbus_attach_args *sa = aux; struct cfdata *cf = vcf; return (strcmp(cf->cf_driver->cd_name, sa->sa_name) == 0); } /* * Attach all the sub-devices we can find */ void lebufattach(parent, self, aux) struct device *parent, *self; void *aux; { struct sbus_attach_args *sa = aux; struct lebuf_softc *sc = (void *)self; int node; int sbusburst; bus_space_tag_t sbt; bus_space_handle_t bh; sc->sc_bustag = sa->sa_bustag; sc->sc_dmatag = sa->sa_dmatag; if (sbus_bus_map(sa->sa_bustag, sa->sa_slot, sa->sa_offset, sa->sa_size, BUS_SPACE_MAP_LINEAR, 0, &bh) != 0) { printf("%s: attach: cannot map registers\n", self->dv_xname); return; } /* * This device's "register space" is just a buffer where the * Lance ring-buffers can be stored. Note the buffer's location * and size, so the `le' driver can pick them up. */ sc->sc_buffer = (void *)bus_space_vaddr(sa->sa_bustag, bh); sc->sc_bufsiz = sa->sa_size; node = sc->sc_node = sa->sa_node; /* * Get transfer burst size from PROM */ sbusburst = ((struct sbus_softc *)parent)->sc_burst; if (sbusburst == 0) sbusburst = SBUS_BURST_32 - 1; /* 1->16 */ sc->sc_burst = getpropint(node, "burst-sizes", -1); if (sc->sc_burst == -1) /* take SBus burst sizes */ sc->sc_burst = sbusburst; /* Clamp at parent's burst sizes */ sc->sc_burst &= sbusburst; sbus_establish(&sc->sc_sd, &sc->sc_dev); /* Allocate a bus tag */ sbt = (bus_space_tag_t) malloc(sizeof(struct sparc_bus_space_tag), M_DEVBUF, M_NOWAIT); if (sbt == NULL) { printf("%s: attach: out of memory\n", self->dv_xname); return; } bzero(sbt, sizeof(struct sparc_bus_space_tag)); printf(": %dK memory\n", sc->sc_bufsiz / 1024); sbt->cookie = sc; sbt->parent = sc->sc_bustag; /* search through children */ for (node = firstchild(node); node; node = nextsibling(node)) { struct sbus_attach_args sa; sbus_setup_attach_args((struct sbus_softc *)parent, sbt, sc->sc_dmatag, node, &sa); (void)config_found(&sc->sc_dev, (void *)&sa, lebufprint); sbus_destroy_attach_args(&sa); } }