pckbc_jazzio.c revision 1.6
1 /* $NetBSD: pckbc_jazzio.c,v 1.6 2002/10/02 04:59:49 thorpej Exp $ */ 2 /* NetBSD: pckbc_isa.c,v 1.2 2000/03/23 07:01:35 thorpej Exp */ 3 4 /* 5 * Copyright (c) 1998 6 * Matthias Drochner. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed for the NetBSD Project 19 * by Matthias Drochner. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/proc.h> 39 #include <sys/device.h> 40 #include <sys/malloc.h> 41 #include <sys/errno.h> 42 #include <sys/queue.h> 43 #include <sys/lock.h> 44 45 #include <machine/autoconf.h> 46 #include <machine/bus.h> 47 #include <arc/jazz/pica.h> 48 #include <arc/jazz/jazziovar.h> 49 50 #include <dev/ic/i8042reg.h> 51 #include <dev/ic/pckbcvar.h> 52 #include <arc/jazz/pckbc_jazzioreg.h> 53 54 #define PMS_INTR 7 /* XXX - should be obtained from firmware */ 55 #define PICA_KBCMDP (PICA_SYS_KBD + JAZZIO_KBCMDP) 56 57 int pckbc_jazzio_match __P((struct device *, struct cfdata *, void *)); 58 void pckbc_jazzio_attach __P((struct device *, struct device *, void *)); 59 void pckbc_jazzio_intr_establish __P((struct pckbc_softc *, pckbc_slot_t)); 60 61 struct pckbc_jazzio_softc { 62 struct pckbc_softc sc_pckbc; 63 64 int sc_intr[PCKBC_NSLOTS]; 65 }; 66 67 CFATTACH_DECL(pckbc_jazzio, sizeof(struct pckbc_jazzio_softc), 68 pckbc_jazzio_match, pckbc_jazzio_attach, NULL, NULL); 69 70 int 71 pckbc_jazzio_match(parent, match, aux) 72 struct device *parent; 73 struct cfdata *match; 74 void *aux; 75 { 76 struct jazzio_attach_args *ja = aux; 77 bus_space_tag_t iot = ja->ja_bust; 78 bus_space_handle_t ioh_d, ioh_c; 79 bus_addr_t addr = ja->ja_addr; 80 int res, ok = 1; 81 82 if (strcmp(ja->ja_name, "pckbd") != 0) 83 return(0); 84 85 if (pckbc_is_console(iot, addr) == 0) { 86 struct pckbc_internal t; 87 88 if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d)) 89 return (0); 90 if (bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c)) { 91 bus_space_unmap(iot, ioh_d, 1); 92 return (0); 93 } 94 95 memset(&t, 0, sizeof(t)); 96 t.t_iot = iot; 97 t.t_ioh_d = ioh_d; 98 t.t_ioh_c = ioh_c; 99 100 /* flush KBC */ 101 (void) pckbc_poll_data1(&t, PCKBC_KBD_SLOT, 0); 102 103 /* KBC selftest */ 104 if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0) { 105 ok = 0; 106 goto out; 107 } 108 res = pckbc_poll_data1(&t, PCKBC_KBD_SLOT, 0); 109 if (res != 0x55) { 110 printf("kbc selftest: %x\n", res); 111 ok = 0; 112 } 113 out: 114 bus_space_unmap(iot, ioh_d, 1); 115 bus_space_unmap(iot, ioh_c, 1); 116 } 117 118 return (ok); 119 } 120 121 void 122 pckbc_jazzio_attach(parent, self, aux) 123 struct device *parent, *self; 124 void *aux; 125 { 126 struct jazzio_attach_args *ja = aux; 127 struct pckbc_jazzio_softc *jsc = (void *)self; 128 struct pckbc_softc *sc = &jsc->sc_pckbc; 129 struct pckbc_internal *t; 130 bus_space_tag_t iot = ja->ja_bust; 131 bus_space_handle_t ioh_d, ioh_c; 132 bus_addr_t addr = ja->ja_addr; 133 134 sc->intr_establish = pckbc_jazzio_intr_establish; 135 136 /* 137 * To establish interrupt handler 138 * 139 * XXX handcrafting "aux" slot... 140 */ 141 jsc->sc_intr[PCKBC_KBD_SLOT] = ja->ja_intr; 142 jsc->sc_intr[PCKBC_AUX_SLOT] = PMS_INTR; /* XXX */ 143 144 if (pckbc_is_console(iot, addr)) { 145 t = &pckbc_consdata; 146 ioh_d = t->t_ioh_d; 147 ioh_c = t->t_ioh_c; 148 pckbc_console_attached = 1; 149 /* t->t_cmdbyte was initialized by cnattach */ 150 } else { 151 if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d) || 152 bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c)) 153 panic("pckbc_attach: couldn't map"); 154 155 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK); 156 bzero(t, sizeof(struct pckbc_internal)); 157 t->t_iot = iot; 158 t->t_ioh_d = ioh_d; 159 t->t_ioh_c = ioh_c; 160 t->t_addr = addr; 161 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 162 callout_init(&t->t_cleanup); 163 } 164 165 t->t_sc = sc; 166 sc->id = t; 167 168 printf("\n"); 169 170 /* Finish off the attach. */ 171 pckbc_attach(sc); 172 } 173 174 void 175 pckbc_jazzio_intr_establish(sc, slot) 176 struct pckbc_softc *sc; 177 pckbc_slot_t slot; 178 { 179 struct pckbc_jazzio_softc *jsc = (void *) sc; 180 181 jazzio_intr_establish(jsc->sc_intr[slot], pckbcintr, sc); 182 } 183
Indexes created Mon Sep 29 21:09:56 GMT 2025