/* $NetBSD: com_supio.c,v 1.19 2003/08/07 16:26:40 agc 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. */ /*- * Copyright (c) 1991 The Regents of the University of California. * 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. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * @(#)com.c 7.5 (Berkeley) 5/16/91 */ #include __KERNEL_RCSID(0, "$NetBSD: com_supio.c,v 1.19 2003/08/07 16:26:40 agc Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /*#include */ #include #include #include struct comsupio_softc { struct com_softc sc_com; struct isr sc_isr; }; int com_supio_match(struct device *, struct cfdata *, void *); void com_supio_attach(struct device *, struct device *, void *); void com_supio_cleanup(void *); #if 0 static int comconsaddr; static bus_space_handle_t comconsioh; static int comconsattached; static bus_space_tag_t comconstag; static int comconsrate; static tcflag_t comconscflag; #endif CFATTACH_DECL(com_supio, sizeof(struct comsupio_softc), com_supio_match, com_supio_attach, NULL, NULL); int com_supio_match(struct device *parent, struct cfdata *match, void *aux) { bus_space_tag_t iot; int iobase; int rv = 1; struct supio_attach_args *supa = aux; iot = supa->supio_iot; iobase = supa->supio_iobase; if (strcmp(supa->supio_name,"com")) return 0; return (rv); } void com_supio_attach(struct device *parent, struct device *self, void *aux) { struct comsupio_softc *sc = (void *)self; struct com_softc *csc = &sc->sc_com; int iobase; bus_space_tag_t iot; struct supio_attach_args *supa = aux; u_int16_t needpsl; /* * We're living on a superio chip. */ iobase = csc->sc_iobase = supa->supio_iobase; iot = csc->sc_iot = supa->supio_iot; printf(" port 0x%04x ipl %d", iobase, supa->supio_ipl); if (bus_space_map(iot, iobase, COM_NPORTS, 0, &csc->sc_ioh)) panic("comattach: io mapping failed"); csc->sc_frequency = supa->supio_arg; com_attach_subr(csc); /* XXX this should be really in the interrupt stuff */ needpsl = PSL_S | (supa->supio_ipl << 8); if (amiga_serialspl < needpsl) { printf("%s: raising amiga_serialspl from 0x%x to 0x%x\n", csc->sc_dev.dv_xname, amiga_serialspl, needpsl); amiga_serialspl = needpsl; } sc->sc_isr.isr_intr = comintr; sc->sc_isr.isr_arg = csc; sc->sc_isr.isr_ipl = supa->supio_ipl; add_isr(&sc->sc_isr); /* * Shutdown hook for buggy BIOSs that don't recognize the UART * without a disabled FIFO. */ if (shutdownhook_establish(com_supio_cleanup, csc) == NULL) panic("comsupio: could not establish shutdown hook"); } void com_supio_cleanup(void *arg) { struct com_softc *sc = arg; if (ISSET(sc->sc_hwflags, COM_HW_FIFO)) bus_space_write_1(sc->sc_iot, sc->sc_ioh, com_fifo, 0); }