kb_hb.c revision 1.2
1 /* $NetBSD: kb_hb.c,v 1.2 2002/03/17 19:40:46 atatat Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Tsubai Masanari. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/param.h> 30 #include <sys/device.h> 31 #include <sys/systm.h> 32 33 #include <dev/wscons/wsconsio.h> 34 #include <dev/wscons/wskbdvar.h> 35 #include <dev/wscons/wsksymdef.h> 36 #include <dev/wscons/wsksymvar.h> 37 38 #include <machine/autoconf.h> 39 #include <machine/adrsmap.h> 40 41 struct kbreg { 42 u_char kb_data; 43 u_char kb_stat; 44 u_char kb_reset; 45 u_char kb_init; 46 }; 47 48 struct kb_hb_softc { 49 struct device sc_dev; 50 volatile struct kbreg *sc_reg; 51 struct device *sc_wskbddev; 52 }; 53 54 int kb_hb_match(struct device *, struct cfdata *, void *); 55 void kb_hb_attach(struct device *, struct device *, void *); 56 int kb_hb_intr(void *); 57 58 void kb_hb_cnattach(void); 59 void kb_hb_cngetc(void *, u_int *, int *); 60 void kb_hb_cnpollc(void *, int); 61 62 int kb_hb_enable(void *, int); 63 void kb_hb_setleds(void *, int); 64 int kb_hb_ioctl(void *, u_long, caddr_t, int, struct proc *); 65 66 extern struct wscons_keydesc newskb_keydesctab[]; 67 68 struct cfattach kb_hb_ca = { 69 sizeof(struct kb_hb_softc), kb_hb_match, kb_hb_attach 70 }; 71 72 struct wskbd_accessops kb_hb_accessops = { 73 kb_hb_enable, 74 kb_hb_setleds, 75 kb_hb_ioctl 76 }; 77 78 struct wskbd_consops kb_hb_consops = { 79 kb_hb_cngetc, 80 kb_hb_cnpollc 81 }; 82 83 struct wskbd_mapdata kb_hb_keymapdata = { 84 newskb_keydesctab, 85 KB_JP 86 }; 87 88 int 89 kb_hb_match(parent, cf, aux) 90 struct device *parent; 91 struct cfdata *cf; 92 void *aux; 93 { 94 struct confargs *ca = aux; 95 96 if (strcmp(ca->ca_name, "kb") == 0) 97 return 1; 98 99 return 0; 100 } 101 102 void 103 kb_hb_attach(parent, self, aux) 104 struct device *parent, *self; 105 void *aux; 106 { 107 struct kb_hb_softc *sc = (void *)self; 108 volatile struct kbreg *reg = (void *)self->dv_cfdata->cf_addr; 109 int intr = self->dv_cfdata->cf_level; 110 volatile int *dipsw = (void *)DIP_SWITCH; 111 struct wskbddev_attach_args aa; 112 int cons = 0; 113 114 if (intr == -1) 115 intr = 2; 116 117 sc->sc_reg = reg; 118 reg->kb_reset = 0x01; 119 reg->kb_init = 0xf0; /* 9600 bps */ 120 121 printf(" level %d", intr); 122 if (*dipsw & 7) { 123 cons = 1; 124 printf(" (console)"); 125 } 126 printf("\n"); 127 128 hb_intr_establish(intr, IPL_TTY, kb_hb_intr, sc); 129 130 aa.console = cons; 131 aa.keymap = &kb_hb_keymapdata; 132 aa.accessops = &kb_hb_accessops; 133 aa.accesscookie = sc; 134 sc->sc_wskbddev = config_found(self, &aa, wskbddevprint); 135 } 136 137 int 138 kb_hb_intr(v) 139 void *v; 140 { 141 struct kb_hb_softc *sc = v; 142 volatile struct kbreg *reg = sc->sc_reg; 143 volatile u_char *ien = (void *)INTEN0; 144 int code, type, release, val; 145 int rv = 0; 146 147 *ien &= ~RX_KBINTE; 148 149 while (reg->kb_stat & RX_KBRDY) { 150 code = reg->kb_data; 151 release = code & 0x80; 152 val = code & 0x7f; 153 type = release ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 154 if (sc->sc_wskbddev) 155 wskbd_input(sc->sc_wskbddev, type, val); 156 rv = 1; 157 } 158 159 *ien |= RX_KBINTE; 160 return rv; 161 } 162 163 void 164 kb_hb_cnattach() 165 { 166 volatile int *dipsw = (void *)DIP_SWITCH; 167 volatile struct kbreg *reg = (void *)KEYB_DATA; 168 169 if (*dipsw & 7) 170 wskbd_cnattach(&kb_hb_consops, (void *)reg, &kb_hb_keymapdata); 171 } 172 173 void 174 kb_hb_cngetc(v, type, data) 175 void *v; 176 u_int *type; 177 int *data; 178 { 179 volatile struct kbreg *reg = v; 180 volatile u_char *ien = (void *)INTEN0; 181 int code, release, ointr; 182 183 ointr = *ien & RX_KBINTE; 184 *ien &= ~RX_KBINTE; 185 186 /* Wait for key data. */ 187 while ((reg->kb_stat & RX_KBRDY) == 0); 188 189 code = reg->kb_data; 190 release = code & 0x80; 191 *data = code & 0x7f; 192 *type = release ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 193 194 *ien |= ointr; 195 } 196 197 void 198 kb_hb_cnpollc(v, on) 199 void *v; 200 int on; 201 { 202 } 203 204 int 205 kb_hb_enable(v, on) 206 void *v; 207 int on; 208 { 209 return 0; 210 } 211 212 void 213 kb_hb_setleds(v, on) 214 void *v; 215 int on; 216 { 217 } 218 219 int 220 kb_hb_ioctl(v, cmd, data, flag, p) 221 void *v; 222 u_long cmd; 223 caddr_t data; 224 int flag; 225 struct proc *p; 226 { 227 switch (cmd) { 228 229 case WSKBDIO_GTYPE: 230 *(int *)data = 0; /* XXX */ 231 return 0; 232 case WSKBDIO_SETLEDS: 233 return 0; 234 case WSKBDIO_GETLEDS: 235 *(int *)data = 0; 236 return 0; 237 } 238 239 return EPASSTHROUGH; 240 } 241
Indexes created Mon Oct 20 20:10:13 GMT 2025