pckbc_jazzio.c revision 1.4
1 /* $NetBSD: pckbc_jazzio.c,v 1.4 2001/07/23 21:03:19 jdolecek 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 struct cfattach pckbc_jazzio_ca = { 68 sizeof(struct pckbc_jazzio_softc), 69 pckbc_jazzio_match, pckbc_jazzio_attach, 70 }; 71 72 int 73 pckbc_jazzio_match(parent, match, aux) 74 struct device *parent; 75 struct cfdata *match; 76 void *aux; 77 { 78 struct jazzio_attach_args *ja = aux; 79 bus_space_tag_t iot = ja->ja_bust; 80 bus_space_handle_t ioh_d, ioh_c; 81 bus_addr_t addr = ja->ja_addr; 82 int res, ok = 1; 83 84 if (strcmp(ja->ja_name, "pckbd") != 0) 85 return(0); 86 87 if (pckbc_is_console(iot, addr) == 0) { 88 struct pckbc_internal t; 89 90 if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d)) 91 return (0); 92 if (bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c)) { 93 bus_space_unmap(iot, ioh_d, 1); 94 return (0); 95 } 96 97 memset(&t, 0, sizeof(t)); 98 t.t_iot = iot; 99 t.t_ioh_d = ioh_d; 100 t.t_ioh_c = ioh_c; 101 102 /* flush KBC */ 103 (void) pckbc_poll_data1(&t, PCKBC_KBD_SLOT, 0); 104 105 /* KBC selftest */ 106 if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0) { 107 ok = 0; 108 goto out; 109 } 110 res = pckbc_poll_data1(&t, PCKBC_KBD_SLOT, 0); 111 if (res != 0x55) { 112 printf("kbc selftest: %x\n", res); 113 ok = 0; 114 } 115 out: 116 bus_space_unmap(iot, ioh_d, 1); 117 bus_space_unmap(iot, ioh_c, 1); 118 } 119 120 return (ok); 121 } 122 123 void 124 pckbc_jazzio_attach(parent, self, aux) 125 struct device *parent, *self; 126 void *aux; 127 { 128 struct jazzio_attach_args *ja = aux; 129 struct pckbc_jazzio_softc *jsc = (void *)self; 130 struct pckbc_softc *sc = &jsc->sc_pckbc; 131 struct pckbc_internal *t; 132 bus_space_tag_t iot = ja->ja_bust; 133 bus_space_handle_t ioh_d, ioh_c; 134 bus_addr_t addr = ja->ja_addr; 135 136 sc->intr_establish = pckbc_jazzio_intr_establish; 137 138 /* 139 * To establish interrupt handler 140 * 141 * XXX handcrafting "aux" slot... 142 */ 143 jsc->sc_intr[PCKBC_KBD_SLOT] = ja->ja_intr; 144 jsc->sc_intr[PCKBC_AUX_SLOT] = PMS_INTR; /* XXX */ 145 146 if (pckbc_is_console(iot, addr)) { 147 t = &pckbc_consdata; 148 ioh_d = t->t_ioh_d; 149 ioh_c = t->t_ioh_c; 150 pckbc_console_attached = 1; 151 /* t->t_cmdbyte was initialized by cnattach */ 152 } else { 153 if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d) || 154 bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c)) 155 panic("pckbc_attach: couldn't map"); 156 157 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK); 158 bzero(t, sizeof(struct pckbc_internal)); 159 t->t_iot = iot; 160 t->t_ioh_d = ioh_d; 161 t->t_ioh_c = ioh_c; 162 t->t_addr = addr; 163 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 164 callout_init(&t->t_cleanup); 165 } 166 167 t->t_sc = sc; 168 sc->id = t; 169 170 printf("\n"); 171 172 /* Finish off the attach. */ 173 pckbc_attach(sc); 174 } 175 176 void 177 pckbc_jazzio_intr_establish(sc, slot) 178 struct pckbc_softc *sc; 179 pckbc_slot_t slot; 180 { 181 struct pckbc_jazzio_softc *jsc = (void *) sc; 182 183 jazzio_intr_establish(jsc->sc_intr[slot], pckbcintr, sc); 184 } 185
Indexes created Mon Sep 29 21:09:56 GMT 2025