1 /* $NetBSD: lpt_sableio.c,v 1.4 2002/10/02 04:06:39 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 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: lpt_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/ioctl.h> 46 #include <sys/select.h> 47 #include <sys/tty.h> 48 #include <sys/proc.h> 49 #include <sys/user.h> 50 #include <sys/conf.h> 51 #include <sys/file.h> 52 #include <sys/uio.h> 53 #include <sys/kernel.h> 54 #include <sys/syslog.h> 55 #include <sys/types.h> 56 #include <sys/device.h> 57 58 #include <machine/intr.h> 59 #include <machine/bus.h> 60 61 #include <dev/ic/lptreg.h> 62 #include <dev/ic/lptvar.h> 63 64 #include <dev/pci/pcivar.h> 65 #include <dev/isa/isavar.h> 66 67 #include <alpha/sableio/sableiovar.h> 68 69 struct lpt_sableio_softc { 70 struct lpt_softc sc_lpt; /* real "lpt" softc */ 71 72 /* STDIO-specific goo. */ 73 void *sc_ih; /* interrupt handler */ 74 }; 75 76 int lpt_sableio_match(struct device *, struct cfdata *, void *); 77 void lpt_sableio_attach(struct device *, struct device *, void *); 78 79 CFATTACH_DECL(lpt_sableio, sizeof(struct lpt_sableio_softc), 80 lpt_sableio_match, lpt_sableio_attach, NULL, NULL); 81 82 int 83 lpt_sableio_match(struct device *parent, struct cfdata *match, void *aux) 84 { 85 struct sableio_attach_args *sa = aux; 86 87 /* Always present. */ 88 if (strcmp(sa->sa_name, match->cf_name) == 0) 89 return (1); 90 91 return (0); 92 } 93 94 void 95 lpt_sableio_attach(struct device *parent, struct device *self, void *aux) 96 { 97 struct lpt_sableio_softc *ssc = (void *)self; 98 struct lpt_softc *sc = &ssc->sc_lpt; 99 struct sableio_attach_args *sa = aux; 100 const char *intrstr; 101 102 sc->sc_iot = sa->sa_iot; 103 104 if (bus_space_map(sc->sc_iot, sa->sa_ioaddr, LPT_NPORTS, 0, 105 &sc->sc_ioh) != 0) { 106 printf(": can't map i/o space\n"); 107 return; 108 } 109 110 printf("\n"); 111 112 lpt_attach_subr(sc); 113 114 intrstr = pci_intr_string(sa->sa_pc, sa->sa_sableirq[0]); 115 ssc->sc_ih = pci_intr_establish(sa->sa_pc, sa->sa_sableirq[0], 116 IPL_TTY, lptintr, sc); 117 if (ssc->sc_ih == NULL) { 118 printf("%s: unable to establish interrupt", 119 sc->sc_dev.dv_xname); 120 if (intrstr != NULL) 121 printf(" at %s", intrstr); 122 printf("\n"); 123 return; 124 } 125 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 126 } 127