1 /* $NetBSD: lpt_puc.c,v 1.2 2001/11/13 07:48:46 lukem 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 1.2 2001/11/13 07:48:46 lukem Exp $"); 42 43 #include <sys/types.h> 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/device.h> 47 48 #include <machine/bus.h> 49 50 #include <dev/pci/pcivar.h> 51 #include <dev/pci/pucvar.h> 52 #include <dev/ic/lptvar.h> 53 54 int lpt_puc_probe __P((struct device *, struct cfdata *, void *)); 55 void lpt_puc_attach __P((struct device *, struct device *, void *)); 56 57 struct cfattach lpt_puc_ca = { 58 sizeof(struct lpt_softc), lpt_puc_probe, lpt_puc_attach 59 }; 60 61 int 62 lpt_puc_probe(parent, match, aux) 63 struct device *parent; 64 struct cfdata *match; 65 void *aux; 66 { 67 struct puc_attach_args *aa = aux; 68 69 /* 70 * Locators already matched, just check the type. 71 */ 72 if (aa->type != PUC_PORT_TYPE_LPT) 73 return (0); 74 75 return (1); 76 } 77 78 void 79 lpt_puc_attach(parent, self, aux) 80 struct device *parent, *self; 81 void *aux; 82 { 83 struct lpt_softc *sc = (void *)self; 84 struct puc_attach_args *aa = aux; 85 const char *intrstr; 86 87 sc->sc_iot = aa->t; 88 sc->sc_ioh = aa->h; 89 90 intrstr = pci_intr_string(aa->pc, aa->intrhandle); 91 sc->sc_ih = pci_intr_establish(aa->pc, aa->intrhandle, IPL_TTY, 92 lptintr, sc); 93 if (sc->sc_ih == NULL) { 94 printf(": couldn't establish interrupt"); 95 if (intrstr != NULL) 96 printf(" at %s", intrstr); 97 printf("\n"); 98 return; 99 } 100 printf(": interrupting at %s\n", intrstr); 101 102 lpt_attach_subr(sc); 103 } 104