pckbc_jazzio.c revision 1.10
1 /* $NetBSD: pckbc_jazzio.c,v 1.10 2004/03/13 17:31:33 bjh21 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/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: pckbc_jazzio.c,v 1.10 2004/03/13 17:31:33 bjh21 Exp $"); 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/proc.h> 42 #include <sys/device.h> 43 #include <sys/malloc.h> 44 #include <sys/errno.h> 45 #include <sys/queue.h> 46 #include <sys/lock.h> 47 48 #include <machine/autoconf.h> 49 #include <machine/bus.h> 50 #include <arc/jazz/pica.h> 51 #include <arc/jazz/jazziovar.h> 52 53 #include <dev/ic/i8042reg.h> 54 #include <dev/ic/pckbcvar.h> 55 #include <arc/jazz/pckbc_jazzioreg.h> 56 57 #define PMS_INTR 7 /* XXX - should be obtained from firmware */ 58 #define PICA_KBCMDP (PICA_SYS_KBD + JAZZIO_KBCMDP) 59 60 int pckbc_jazzio_match __P((struct device *, struct cfdata *, void *)); 61 void pckbc_jazzio_attach __P((struct device *, struct device *, void *)); 62 void pckbc_jazzio_intr_establish __P((struct pckbc_softc *, pckbc_slot_t)); 63 64 struct pckbc_jazzio_softc { 65 struct pckbc_softc sc_pckbc; 66 67 int sc_intr[PCKBC_NSLOTS]; 68 }; 69 70 CFATTACH_DECL(pckbc_jazzio, sizeof(struct pckbc_jazzio_softc), 71 pckbc_jazzio_match, pckbc_jazzio_attach, NULL, NULL); 72 73 int 74 pckbc_jazzio_match(parent, match, aux) 75 struct device *parent; 76 struct cfdata *match; 77 void *aux; 78 { 79 struct jazzio_attach_args *ja = aux; 80 bus_space_tag_t iot = ja->ja_bust; 81 bus_space_handle_t ioh_d, ioh_c; 82 bus_addr_t addr = ja->ja_addr; 83 int res, ok = 1; 84 85 if (strcmp(ja->ja_name, "I8742") != 0) 86 return (0); 87 88 if (pckbc_is_console(iot, addr) == 0) { 89 struct pckbc_internal t; 90 91 if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d)) 92 return (0); 93 if (bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c)) { 94 bus_space_unmap(iot, ioh_d, 1); 95 return (0); 96 } 97 98 memset(&t, 0, sizeof(t)); 99 t.t_iot = iot; 100 t.t_ioh_d = ioh_d; 101 t.t_ioh_c = ioh_c; 102 103 /* flush KBC */ 104 (void) pckbc_poll_data1(&t, PCKBC_KBD_SLOT); 105 106 /* KBC selftest */ 107 if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0) { 108 ok = 0; 109 goto out; 110 } 111 res = pckbc_poll_data1(&t, PCKBC_KBD_SLOT); 112 if (res != 0x55) { 113 printf("kbc selftest: %x\n", res); 114 ok = 0; 115 } 116 out: 117 bus_space_unmap(iot, ioh_d, 1); 118 bus_space_unmap(iot, ioh_c, 1); 119 } 120 121 return (ok); 122 } 123 124 void 125 pckbc_jazzio_attach(parent, self, aux) 126 struct device *parent, *self; 127 void *aux; 128 { 129 struct jazzio_attach_args *ja = aux; 130 struct pckbc_jazzio_softc *jsc = (void *)self; 131 struct pckbc_softc *sc = &jsc->sc_pckbc; 132 struct pckbc_internal *t; 133 bus_space_tag_t iot = ja->ja_bust; 134 bus_space_handle_t ioh_d, ioh_c; 135 bus_addr_t addr = ja->ja_addr; 136 137 sc->intr_establish = pckbc_jazzio_intr_establish; 138 139 /* 140 * To establish interrupt handler 141 * 142 * XXX handcrafting "aux" slot... 143 */ 144 jsc->sc_intr[PCKBC_KBD_SLOT] = ja->ja_intr; 145 jsc->sc_intr[PCKBC_AUX_SLOT] = PMS_INTR; /* XXX */ 146 147 if (pckbc_is_console(iot, addr)) { 148 t = &pckbc_consdata; 149 ioh_d = t->t_ioh_d; 150 ioh_c = t->t_ioh_c; 151 pckbc_console_attached = 1; 152 /* t->t_cmdbyte was initialized by cnattach */ 153 } else { 154 if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d) || 155 bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c)) 156 panic("pckbc_attach: couldn't map"); 157 158 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK); 159 bzero(t, sizeof(struct pckbc_internal)); 160 t->t_iot = iot; 161 t->t_ioh_d = ioh_d; 162 t->t_ioh_c = ioh_c; 163 t->t_addr = addr; 164 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 165 callout_init(&t->t_cleanup); 166 } 167 168 t->t_sc = sc; 169 sc->id = t; 170 171 printf("\n"); 172 173 /* Finish off the attach. */ 174 pckbc_attach(sc); 175 } 176 177 void 178 pckbc_jazzio_intr_establish(sc, slot) 179 struct pckbc_softc *sc; 180 pckbc_slot_t slot; 181 { 182 struct pckbc_jazzio_softc *jsc = (void *) sc; 183 184 jazzio_intr_establish(jsc->sc_intr[slot], pckbcintr, sc); 185 } 186
Indexes created Mon Sep 29 21:09:56 GMT 2025