1 /* $NetBSD: fdc_sableio.c,v 1.4 2002/10/02 04:06:39 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 40 41 __KERNEL_RCSID(0, "$NetBSD: fdc_sableio.c,v 1.4 2002/10/02 04:06:39 thorpej Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/callout.h> 46 #include <sys/device.h> 47 #include <sys/buf.h> 48 #if NRND > 0 49 #include <sys/rnd.h> 50 #endif 51 52 #include <machine/bus.h> 53 #include <machine/intr.h> 54 55 #include <dev/isa/isavar.h> 56 #include <dev/isa/isadmavar.h> 57 58 #include <dev/isa/fdreg.h> 59 #include <dev/isa/fdcvar.h> 60 61 #include <dev/pci/pcivar.h> 62 63 #include <alpha/sableio/sableiovar.h> 64 65 int fdc_sableio_match(struct device *, struct cfdata *, void *); 66 void fdc_sableio_attach(struct device *, struct device *, void *); 67 68 struct fdc_sableio_softc { 69 struct fdc_softc sc_fdc; /* real "fdc" softc */ 70 71 bus_space_handle_t sc_baseioh; /* base I/O handle */ 72 }; 73 74 CFATTACH_DECL(fdc_sableio, sizeof(struct fdc_sableio_softc), 75 fdc_sableio_match, fdc_sableio_attach, NULL, NULL); 76 77 int 78 fdc_sableio_match(struct device *parent, struct cfdata *match, void *aux) 79 { 80 struct sableio_attach_args *sa = aux; 81 82 /* Always present. */ 83 if (strcmp(sa->sa_name, match->cf_name) == 0) 84 return (1); 85 86 return (0); 87 } 88 89 void 90 fdc_sableio_attach(struct device *parent, struct device *self, void *aux) 91 { 92 struct fdc_softc *fdc = (void *) self; 93 struct fdc_sableio_softc *sfdc = (void *) self; 94 struct sableio_attach_args *sa = aux; 95 const char *intrstr; 96 97 printf("\n"); 98 99 fdc->sc_iot = sa->sa_iot; 100 fdc->sc_ic = sa->sa_ic; 101 fdc->sc_drq = sa->sa_drq; 102 103 if (bus_space_map(fdc->sc_iot, sa->sa_ioaddr, 6 /* FDC_NPORT */, 0, 104 &sfdc->sc_baseioh)) { 105 printf("%s: unable to map I/O space\n", fdc->sc_dev.dv_xname); 106 return; 107 } 108 109 if (bus_space_subregion(fdc->sc_iot, sfdc->sc_baseioh, 2, 4, 110 &fdc->sc_ioh)) { 111 printf("%s: unable to subregion I/O space\n", 112 fdc->sc_dev.dv_xname); 113 return; 114 } 115 116 if (bus_space_map(fdc->sc_iot, sa->sa_ioaddr + fdctl + 2, 1, 0, 117 &fdc->sc_fdctlioh)) { 118 printf("%s: unable to map CTL I/O space\n", 119 fdc->sc_dev.dv_xname); 120 return; 121 } 122 123 intrstr = pci_intr_string(sa->sa_pc, sa->sa_sableirq[0]); 124 fdc->sc_ih = pci_intr_establish(sa->sa_pc, sa->sa_sableirq[0], 125 IPL_BIO, fdcintr, fdc); 126 if (fdc->sc_ih == NULL) { 127 printf("%s: unable to establish interrupt", 128 fdc->sc_dev.dv_xname); 129 if (intrstr != NULL) 130 printf(" at %s", intrstr); 131 printf("\n"); 132 return; 133 } 134 printf("%s: interrupting at %s\n", fdc->sc_dev.dv_xname, intrstr); 135 136 fdcattach(fdc); 137 } 138