1 /* $NetBSD: lpt_jensenio.c,v 1.9 2008/04/28 20:23:11 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 33 34 __KERNEL_RCSID(0, "$NetBSD: lpt_jensenio.c,v 1.9 2008/04/28 20:23:11 martin Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/ioctl.h> 39 #include <sys/select.h> 40 #include <sys/tty.h> 41 #include <sys/proc.h> 42 #include <sys/user.h> 43 #include <sys/conf.h> 44 #include <sys/file.h> 45 #include <sys/uio.h> 46 #include <sys/kernel.h> 47 #include <sys/syslog.h> 48 #include <sys/types.h> 49 #include <sys/device.h> 50 51 #include <machine/intr.h> 52 #include <machine/bus.h> 53 54 #include <dev/ic/lptreg.h> 55 #include <dev/ic/lptvar.h> 56 57 #include <dev/eisa/eisavar.h> 58 59 #include <dev/isa/isavar.h> 60 61 #include <alpha/jensenio/jenseniovar.h> 62 63 struct lpt_jensenio_softc { 64 struct lpt_softc sc_lpt; /* real "lpt" softc */ 65 66 /* Jensen-specific goo. */ 67 void *sc_ih; /* interrupt handler */ 68 }; 69 70 int lpt_jensenio_match(device_t, cfdata_t , void *); 71 void lpt_jensenio_attach(device_t, device_t, void *); 72 73 CFATTACH_DECL_NEW(lpt_jensenio, sizeof(struct lpt_jensenio_softc), 74 lpt_jensenio_match, lpt_jensenio_attach, NULL, NULL); 75 76 int 77 lpt_jensenio_match(device_t parent, cfdata_t match, void *aux) 78 { 79 struct jensenio_attach_args *ja = aux; 80 81 /* Always present. */ 82 if (strcmp(ja->ja_name, match->cf_name) == 0) 83 return (1); 84 85 return (0); 86 } 87 88 void 89 lpt_jensenio_attach(device_t parent, device_t self, void *aux) 90 { 91 struct lpt_jensenio_softc *jsc = device_private(self); 92 struct lpt_softc *sc = &jsc->sc_lpt; 93 struct jensenio_attach_args *ja = aux; 94 const char *intrstr; 95 96 sc->sc_dev = self; 97 sc->sc_iot = ja->ja_iot; 98 99 if (bus_space_map(sc->sc_iot, ja->ja_ioaddr, LPT_NPORTS, 0, 100 &sc->sc_ioh) != 0) { 101 aprint_error(": can't map i/o space\n"); 102 return; 103 } 104 105 aprint_normal("\n"); 106 aprint_naive("\n"); 107 108 lpt_attach_subr(sc); 109 110 intrstr = eisa_intr_string(ja->ja_ec, ja->ja_irq[0]); 111 jsc->sc_ih = eisa_intr_establish(ja->ja_ec, ja->ja_irq[0], 112 IST_EDGE, IPL_TTY, lptintr, sc); 113 if (jsc->sc_ih == NULL) { 114 aprint_error_dev(self, "unable to establish interrupt"); 115 if (intrstr != NULL) 116 aprint_error(" at %s", intrstr); 117 aprint_error("\n"); 118 return; 119 } 120 aprint_normal_dev(self, "interrupting at %s\n", intrstr); 121 } 122