pckbc_js.c revision 1.5
1 /* $NetBSD: pckbc_js.c,v 1.5 2002/10/02 16:02:15 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 2002 Valeriy E. Ushakov 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/kernel.h> 33 #include <sys/device.h> 34 #include <sys/malloc.h> 35 36 #include <machine/autoconf.h> 37 #include <machine/bus.h> 38 #include <machine/intr.h> 39 40 #include <dev/ic/i8042reg.h> 41 #include <dev/ic/pckbcvar.h> 42 #include <dev/pckbc/pckbdvar.h> 43 44 #include <dev/ebus/ebusreg.h> 45 #include <dev/ebus/ebusvar.h> 46 47 48 struct pckbc_js_softc { 49 struct pckbc_softc jsc_pckbc; /* real "pckbc" softc */ 50 51 /* kbd and mouse share interrupt in both mr.coffee and krups */ 52 u_int32_t jsc_intr; 53 int jsc_establised; 54 }; 55 56 57 static int pckbc_obio_match(struct device *, struct cfdata *, void *); 58 static void pckbc_obio_attach(struct device *, struct device *, void *); 59 60 static int pckbc_ebus_match(struct device *, struct cfdata *, void *); 61 static void pckbc_ebus_attach(struct device *, struct device *, void *); 62 63 static void pckbc_js_attach_common( struct pckbc_js_softc *, 64 bus_space_tag_t, bus_addr_t, int, int); 65 static void pckbc_js_intr_establish(struct pckbc_softc *, pckbc_slot_t); 66 67 /* Mr.Coffee */ 68 CFATTACH_DECL(pckbc_obio, sizeof(struct pckbc_js_softc), 69 pckbc_obio_match, pckbc_obio_attach, NULL, NULL); 70 71 /* ms-IIep */ 72 CFATTACH_DECL(pckbc_ebus, sizeof(struct pckbc_js_softc), 73 pckbc_ebus_match, pckbc_ebus_attach, NULL, NULL); 74 75 #define PCKBC_PROM_DEVICE_NAME "8042" 76 77 static int 78 pckbc_obio_match(parent, cf, aux) 79 struct device *parent; 80 struct cfdata *cf; 81 void *aux; 82 { 83 union obio_attach_args *uoba = aux; 84 struct sbus_attach_args *sa = &uoba->uoba_sbus; 85 86 return (strcmp(sa->sa_name, PCKBC_PROM_DEVICE_NAME) == 0); 87 } 88 89 static int 90 pckbc_ebus_match(parent, cf, aux) 91 struct device *parent; 92 struct cfdata *cf; 93 void *aux; 94 { 95 struct ebus_attach_args *ea = aux; 96 97 return (strcmp(ea->ea_name, PCKBC_PROM_DEVICE_NAME) == 0); 98 } 99 100 101 static void 102 pckbc_obio_attach(parent, self, aux) 103 struct device *parent, *self; 104 void *aux; 105 { 106 struct pckbc_js_softc *jsc = (struct pckbc_js_softc *)self; 107 union obio_attach_args *uoba = aux; 108 struct sbus_attach_args *sa = &uoba->uoba_sbus; 109 bus_space_tag_t iot; 110 bus_addr_t ioaddr; 111 int intr, isconsole; 112 113 iot = sa->sa_bustag; 114 ioaddr = BUS_ADDR(sa->sa_slot, sa->sa_offset); 115 intr = sa->sa_nintr ? sa->sa_pri : /* level */ 13; 116 117 /* 118 * TODO: 119 * . on OFW machines stdin is keyboard node, not 8042 node 120 * . on OBP machines 8042 node is faked by boot's prompatch 121 * and PROM's stdin points to zs keyboard (add prom patch?) 122 * . we probably want the stdout node to control whether 123 * console goes to serial 124 */ 125 isconsole = 1; 126 127 pckbc_js_attach_common(jsc, iot, ioaddr, intr, isconsole); 128 } 129 130 static void 131 pckbc_ebus_attach(parent, self, aux) 132 struct device *parent, *self; 133 void *aux; 134 { 135 struct pckbc_js_softc *jsc = (struct pckbc_js_softc *)self; 136 struct ebus_attach_args *ea = aux; 137 bus_space_tag_t iot; 138 bus_addr_t ioaddr; 139 int intr, isconsole; 140 141 iot = ea->ea_bustag; 142 ioaddr = EBUS_ADDR_FROM_REG(&ea->ea_reg[0]); 143 intr = ea->ea_nintr ? ea->ea_intr[0] : /* line */ 0; 144 145 /* TODO: see comment in pckbc_obio_attach above */ 146 isconsole = 1; 147 148 pckbc_js_attach_common(jsc, iot, ioaddr, intr, isconsole); 149 } 150 151 152 static void 153 pckbc_js_attach_common(jsc, iot, ioaddr, intr, isconsole) 154 struct pckbc_js_softc *jsc; 155 bus_space_tag_t iot; 156 bus_addr_t ioaddr; 157 int intr; 158 int isconsole; 159 { 160 struct pckbc_softc *sc = (struct pckbc_softc *)jsc; 161 struct pckbc_internal *t; 162 163 jsc->jsc_pckbc.intr_establish = pckbc_js_intr_establish; 164 jsc->jsc_intr = intr; 165 jsc->jsc_establised = 0; 166 167 if (isconsole) { 168 int status; 169 170 status = pckbc_cnattach(iot, ioaddr, KBCMDP, PCKBC_KBD_SLOT); 171 if (status == 0) 172 printf(": cnattach ok"); 173 else 174 printf(": cnattach %d", status); 175 } 176 177 if (pckbc_is_console(iot, ioaddr)) { 178 t = &pckbc_consdata; 179 pckbc_console_attached = 1; 180 } else { 181 bus_space_handle_t ioh_d, ioh_c; 182 183 if (bus_space_map(iot, ioaddr + KBDATAP, 1, 0, &ioh_d) != 0) { 184 printf(": unable to map data register\n"); 185 return; 186 } 187 188 if (bus_space_map(iot, ioaddr + KBCMDP, 1, 0, &ioh_c) != 0) { 189 bus_space_unmap(iot, ioh_d, 1); 190 printf(": unable to map cmd register\n"); 191 return; 192 } 193 194 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK); 195 memset(t, 0, sizeof(struct pckbc_internal)); 196 t->t_iot = iot; 197 t->t_ioh_d = ioh_d; 198 t->t_ioh_c = ioh_c; 199 t->t_addr = ioaddr; 200 t->t_cmdbyte = KC8_CPU; /* initial command: enable ports */ 201 callout_init(&t->t_cleanup); 202 203 (void) pckbc_poll_data1(t, PCKBC_KBD_SLOT, 0); /* flush */ 204 205 if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0) 206 printf(": unable to request self test"); 207 else { 208 int response; 209 210 response = pckbc_poll_data1(t, PCKBC_KBD_SLOT, 0); 211 if (response == 0x55) 212 printf(": selftest ok"); 213 else 214 printf(": selftest failed (0x%02x)", response); 215 } 216 } 217 218 /* crosslink */ 219 t->t_sc = sc; 220 sc->id = t; 221 222 /* finish off the attach */ 223 printf("\n"); 224 pckbc_attach(sc); 225 } 226 227 228 /* 229 * Keyboard and mouse share the interrupt 230 * so don't install interrupt handler twice. 231 */ 232 static void 233 pckbc_js_intr_establish(sc, slot) 234 struct pckbc_softc *sc; 235 pckbc_slot_t slot; 236 { 237 struct pckbc_js_softc *jsc = (struct pckbc_js_softc *)sc; 238 void *res; 239 240 if (jsc->jsc_establised) { 241 #ifdef DEBUG 242 printf("%s: %s slot shares interrupt (already established)\n", 243 sc->sc_dv.dv_xname, pckbc_slot_names[slot]); 244 #endif 245 return; 246 } 247 248 res = bus_intr_establish(sc->id->t_iot, jsc->jsc_intr, 249 IPL_TTY, 0, pckbcintr, sc); 250 if (res == NULL) 251 printf("%s: unable to establish %s slot interrupt\n", 252 sc->sc_dv.dv_xname, pckbc_slot_names[slot]); 253 else 254 jsc->jsc_establised = 1; 255 } 256 257 258 /* 259 * MD hook for use without MI wscons. 260 * Called by pckbc_cnattach(). 261 */ 262 int 263 pckbc_machdep_cnattach(constag, slot) 264 pckbc_tag_t constag; 265 pckbc_slot_t slot; 266 { 267 268 #if !defined(__HAVE_NWSCONS) && defined(MSIIEP) 269 /* we do use wscons on krups! */ 270 return (pckbd_cnattach(constag, slot)); 271 #else 272 return (0); 273 #endif 274 } 275
Indexes created Mon Sep 29 21:09:56 GMT 2025