1 /* $NetBSD: lpt_puc.c,v 1.6 2002/10/02 16:51:43 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1998 Christopher G. Demetriou. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Christopher G. Demetriou 17 * for the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Machine-independent parallel port ('lpt') driver attachment to "PCI 35 * Universal Communications" controller driver. 36 * 37 * Author: Christopher G. Demetriou, May 17, 1998. 38 */ 39 40 #include <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: lpt_puc.c,v 1.6 2002/10/02 16:51:43 thorpej Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/device.h> 46 47 #include <machine/bus.h> 48 49 #include <dev/pci/pcivar.h> 50 #include <dev/pci/pucvar.h> 51 #include <dev/ic/lptvar.h> 52 53 int lpt_puc_probe __P((struct device *, struct cfdata *, void *)); 54 void lpt_puc_attach __P((struct device *, struct device *, void *)); 55 56 CFATTACH_DECL(lpt_puc, sizeof(struct lpt_softc), 57 lpt_puc_probe, lpt_puc_attach, NULL, NULL); 58 59 int 60 lpt_puc_probe(parent, match, aux) 61 struct device *parent; 62 struct cfdata *match; 63 void *aux; 64 { 65 struct puc_attach_args *aa = aux; 66 67 /* 68 * Locators already matched, just check the type. 69 */ 70 if (aa->type != PUC_PORT_TYPE_LPT) 71 return (0); 72 73 return (1); 74 } 75 76 void 77 lpt_puc_attach(parent, self, aux) 78 struct device *parent, *self; 79 void *aux; 80 { 81 struct lpt_softc *sc = (void *)self; 82 struct puc_attach_args *aa = aux; 83 const char *intrstr; 84 85 sc->sc_iot = aa->t; 86 sc->sc_ioh = aa->h; 87 88 intrstr = pci_intr_string(aa->pc, aa->intrhandle); 89 sc->sc_ih = pci_intr_establish(aa->pc, aa->intrhandle, IPL_TTY, 90 lptintr, sc); 91 if (sc->sc_ih == NULL) { 92 printf(": couldn't establish interrupt"); 93 if (intrstr != NULL) 94 printf(" at %s", intrstr); 95 printf("\n"); 96 return; 97 } 98 printf(": interrupting at %s\n", intrstr); 99 100 lpt_attach_subr(sc); 101 } 102