1 /* $NetBSD: pckbc_elb.c,v 1.1 2003/03/11 10:57:57 hannken Exp $ */ 2 3 /*- 4 * Copyright (c) 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Juergen Hannken-Illjes. 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/param.h> 40 #include <sys/conf.h> 41 #include <sys/device.h> 42 #include <sys/systm.h> 43 #include <sys/malloc.h> 44 45 #include <machine/bus.h> 46 47 #include <dev/ic/i8042reg.h> 48 #include <dev/ic/pckbcvar.h> 49 50 #include <evbppc/explora/dev/elbvar.h> 51 52 struct pckbc_elb_softc { 53 struct pckbc_softc sc_pckbc; 54 int sc_irq; 55 }; 56 57 static int pckbc_elb_probe(struct device *, struct cfdata *, void *); 58 static void pckbc_elb_attach(struct device *, struct device *, void *); 59 static void pckbc_elb_intr_establish(struct pckbc_softc *, pckbc_slot_t); 60 61 CFATTACH_DECL(pckbc_elb, sizeof(struct pckbc_elb_softc), 62 pckbc_elb_probe, pckbc_elb_attach, NULL, NULL); 63 64 int 65 pckbc_elb_probe(struct device *parent, struct cfdata *cf, void *aux) 66 { 67 struct elb_attach_args *oaa = aux; 68 69 if (strcmp(oaa->elb_name, cf->cf_name) != 0) 70 return 0; 71 72 return (1); 73 } 74 75 void 76 pckbc_elb_attach(struct device *parent, struct device *self, void *aux) 77 { 78 struct pckbc_elb_softc *msc = (void *)self; 79 struct pckbc_softc *sc = &msc->sc_pckbc; 80 struct elb_attach_args *eaa = aux; 81 struct pckbc_internal *t; 82 83 /* 84 * Setup interrupt data. 85 */ 86 msc->sc_irq = eaa->elb_irq; 87 sc->intr_establish = pckbc_elb_intr_establish; 88 89 if (pckbc_is_console(eaa->elb_bt, eaa->elb_base)) { 90 t = &pckbc_consdata; 91 pckbc_console_attached = 1; 92 } else { 93 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK); 94 memset(t, 0, sizeof(struct pckbc_internal)); 95 } 96 97 t->t_iot = eaa->elb_bt; 98 bus_space_map(eaa->elb_bt, eaa->elb_base, 1, 0, &t->t_ioh_d); 99 bus_space_map(eaa->elb_bt, eaa->elb_base2, 1, 0, &t->t_ioh_c); 100 t->t_addr = eaa->elb_base; 101 t->t_sc = sc; 102 sc->id = t; 103 104 printf("\n"); 105 106 pckbc_attach(sc); 107 } 108 109 static void 110 pckbc_elb_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) 111 { 112 struct pckbc_elb_softc *msc = (void *)sc; 113 int irq = msc->sc_irq; 114 115 /* 116 * We ignore slot since all slots use the same interrupt. 117 */ 118 119 if (irq >= 0) 120 intr_establish(irq, IST_LEVEL, IPL_SERIAL, pckbcintr, sc); 121 122 irq = -1; 123 } 124