1 /* $OpenBSD: fdc_gsc.c,v 1.5 2004/04/07 18:24:19 mickey Exp $ */ 2 3 /* 4 * Copyright (c) 1998 Michael Shalayeff 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/device.h> 33 34 #include <machine/iomod.h> 35 #include <machine/bus.h> 36 #include <machine/intr.h> 37 #include <machine/autoconf.h> 38 39 #include <dev/ic/fdreg.h> 40 #include <dev/ic/fdlink.h> 41 42 #include <hppa/dev/cpudevs.h> 43 44 /* controller driver configuration */ 45 int fdc_gsc_probe(struct device *, void *, void *); 46 void fdc_gsc_attach(struct device *, struct device *, void *); 47 48 struct cfattach fdc_gsc_ca = { 49 sizeof(struct fdc_softc), fdc_gsc_probe, fdc_gsc_attach 50 }; 51 52 int 53 fdc_gsc_probe(parent, match, aux) 54 struct device *parent; 55 void *match, *aux; 56 { 57 struct confargs *ca = aux; 58 bus_space_handle_t ioh; 59 int rv; 60 61 if (ca->ca_type.iodc_type != HPPA_TYPE_FIO || 62 ca->ca_type.iodc_sv_model != HPPA_FIO_GPCFD) 63 return 0; 64 65 /* Map the I/O space. */ 66 if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh)) 67 return 0; 68 69 rv = fdcprobe1(ca->ca_iot, ioh | IOMOD_DEVOFFSET); 70 bus_space_unmap(ca->ca_iot, ioh, IOMOD_HPASIZE); 71 return rv; 72 } 73 74 void 75 fdc_gsc_attach(parent, self, aux) 76 struct device *parent, *self; 77 void *aux; 78 { 79 struct fdc_softc *sc = (void *)self; 80 bus_space_handle_t ioh; 81 struct confargs *ca = aux; 82 83 /* Re-map the I/O space. */ 84 if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh)) 85 panic("fdcattach: couldn't map I/O ports"); 86 87 ioh |= IOMOD_DEVOFFSET; 88 sc->sc_iot = ca->ca_iot; 89 sc->sc_ioh = ioh; 90 sc->sc_ioh_ctl = ioh + FDCTL_OFFSET; 91 92 fdc_attach_subr(sc); 93 } 94 95 96