1 /* $NetBSD: pckbc_elb.c,v 1.5 2008/03/15 13:23:24 cube 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/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: pckbc_elb.c,v 1.5 2008/03/15 13:23:24 cube Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/conf.h> 44 #include <sys/device.h> 45 #include <sys/systm.h> 46 #include <sys/malloc.h> 47 48 #include <machine/bus.h> 49 50 #include <dev/ic/i8042reg.h> 51 #include <dev/ic/pckbcvar.h> 52 53 #include <evbppc/explora/dev/elbvar.h> 54 55 struct pckbc_elb_softc { 56 struct pckbc_softc sc_pckbc; 57 int sc_irq; 58 }; 59 60 static int pckbc_elb_probe(device_t, cfdata_t, void *); 61 static void pckbc_elb_attach(device_t, device_t, void *); 62 static void pckbc_elb_intr_establish(struct pckbc_softc *, pckbc_slot_t); 63 64 CFATTACH_DECL_NEW(pckbc_elb, sizeof(struct pckbc_elb_softc), 65 pckbc_elb_probe, pckbc_elb_attach, NULL, NULL); 66 67 int 68 pckbc_elb_probe(device_t parent, cfdata_t cf, void *aux) 69 { 70 struct elb_attach_args *oaa = aux; 71 72 if (strcmp(oaa->elb_name, cf->cf_name) != 0) 73 return 0; 74 75 return (1); 76 } 77 78 void 79 pckbc_elb_attach(device_t parent, device_t self, void *aux) 80 { 81 struct pckbc_elb_softc *msc = device_private(self); 82 struct pckbc_softc *sc = &msc->sc_pckbc; 83 struct elb_attach_args *eaa = aux; 84 struct pckbc_internal *t; 85 86 sc->sc_dv = self; 87 88 /* 89 * Setup interrupt data. 90 */ 91 msc->sc_irq = eaa->elb_irq; 92 sc->intr_establish = pckbc_elb_intr_establish; 93 94 if (pckbc_is_console(eaa->elb_bt, eaa->elb_base)) { 95 t = &pckbc_consdata; 96 pckbc_console_attached = 1; 97 } else { 98 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK); 99 memset(t, 0, sizeof(struct pckbc_internal)); 100 } 101 102 t->t_iot = eaa->elb_bt; 103 bus_space_map(eaa->elb_bt, 104 _BUS_SPACE_UNSTRIDE(eaa->elb_bt, eaa->elb_base), 1, 0, &t->t_ioh_d); 105 bus_space_map(eaa->elb_bt, 106 _BUS_SPACE_UNSTRIDE(eaa->elb_bt, eaa->elb_base2), 1, 0, &t->t_ioh_c); 107 t->t_addr = eaa->elb_base; 108 t->t_sc = sc; 109 sc->id = t; 110 111 aprint_normal("\n"); 112 113 pckbc_attach(sc); 114 } 115 116 static void 117 pckbc_elb_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) 118 { 119 struct pckbc_elb_softc *msc = (void *)sc; 120 int irq = msc->sc_irq; 121 122 /* 123 * We ignore slot since all slots use the same interrupt. 124 */ 125 126 if (irq >= 0) 127 intr_establish(irq, IST_LEVEL, IPL_SERIAL, pckbcintr, sc); 128 129 irq = -1; 130 } 131