1 /* $NetBSD: hpcin.c,v 1.8 2002/10/02 16:33:49 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 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> 40 __KERNEL_RCSID(0, "$NetBSD: hpcin.c,v 1.8 2002/10/02 16:33:49 thorpej Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 46 #include <machine/config_hook.h> 47 #include <machine/bus.h> 48 49 #include <dev/hpc/hpciovar.h> 50 #include <dev/hpc/hpciomanvar.h> 51 52 #include "locators.h" 53 54 int hpcin_match(struct device *, struct cfdata *, void *); 55 void hpcin_attach(struct device *, struct device *, void *); 56 int hpcin_intr(void *); 57 58 struct hpcin_softc { 59 struct device sc_dev; 60 struct hpcioman_attach_args sc_hma; 61 hpcio_intr_handle_t sc_ih; 62 config_call_tag sc_ct; 63 }; 64 65 #define sc_hc sc_hma.hma_hc 66 #define sc_intr_mode sc_hma.hma_intr_mode 67 #define sc_type sc_hma.hma_type 68 #define sc_id sc_hma.hma_id 69 #define sc_port sc_hma.hma_port 70 #define sc_initvalue sc_hma.hma_initvalue 71 #define sc_on sc_hma.hma_on 72 #define sc_off sc_hma.hma_off 73 #define sc_connect sc_hma.hma_connect 74 75 CFATTACH_DECL(hpcin, sizeof(struct hpcin_softc), 76 hpcin_match, hpcin_attach, NULL, NULL); 77 78 int 79 hpcin_match(struct device *parent, struct cfdata *cf, void *aux) 80 { 81 return (1); 82 } 83 84 void 85 hpcin_attach(struct device *parent, struct device *self, void *aux) 86 { 87 struct hpcioman_attach_args *hma = aux; 88 struct hpcin_softc *sc = (void *)self; 89 90 if (hma->hma_hc == NULL || 91 hma->hma_type == HPCIOMANCF_EVTYPE_DEFAULT || 92 hma->hma_id == HPCIOMANCF_ID_DEFAULT || 93 hma->hma_port == HPCIOMANCF_PORT_DEFAULT) { 94 printf(": ignored\n"); 95 return; 96 } 97 printf("\n"); 98 99 sc->sc_hma = *hma; /* structure assignment */ 100 101 /* install interrupt handler */ 102 sc->sc_ih = hpcio_intr_establish(sc->sc_hc, sc->sc_port, 103 sc->sc_intr_mode, hpcin_intr, sc); 104 if (sc->sc_ih == NULL) 105 printf("hpcin: can't install interrupt handler\n"); 106 107 if (sc->sc_connect) 108 sc->sc_ct = config_connect(sc->sc_type, sc->sc_id); 109 } 110 111 int 112 hpcin_intr(void *arg) 113 { 114 struct hpcin_softc *sc = arg; 115 int on; 116 117 on = (hpcio_portread(sc->sc_hc, sc->sc_port) == sc->sc_on); 118 if (sc->sc_connect) { 119 config_connected_call(sc->sc_ct, (void *)on); 120 } else { 121 printf("%s: type=%d, id=%d\n", __FUNCTION__, 122 sc->sc_type, sc->sc_id); 123 config_hook_call(sc->sc_type, sc->sc_id, (void *)on); 124 printf("done.\n"); 125 } 126 127 return (0); 128 } 129