kb_hb.c revision 1.9
1 /* $NetBSD: kb_hb.c,v 1.9 2005/06/03 13:48:38 tsutsui 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/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: kb_hb.c,v 1.9 2005/06/03 13:48:38 tsutsui Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/device.h> 34 #include <sys/systm.h> 35 36 #include <dev/wscons/wsconsio.h> 37 #include <dev/wscons/wskbdvar.h> 38 #include <dev/wscons/wsksymdef.h> 39 #include <dev/wscons/wsksymvar.h> 40 41 #include <machine/adrsmap.h> 42 43 #include <newsmips/dev/hbvar.h> 44 45 struct kbreg { 46 u_char kb_data; 47 u_char kb_stat; 48 u_char kb_reset; 49 u_char kb_init; 50 }; 51 52 struct kb_hb_softc { 53 struct device sc_dev; 54 volatile struct kbreg *sc_reg; 55 struct device *sc_wskbddev; 56 }; 57 58 int kb_hb_match(struct device *, struct cfdata *, void *); 59 void kb_hb_attach(struct device *, struct device *, void *); 60 int kb_hb_intr(void *); 61 62 void kb_hb_cnattach(void); 63 void kb_hb_cngetc(void *, u_int *, int *); 64 void kb_hb_cnpollc(void *, int); 65 66 int kb_hb_enable(void *, int); 67 void kb_hb_setleds(void *, int); 68 int kb_hb_ioctl(void *, u_long, caddr_t, int, struct proc *); 69 70 extern struct wscons_keydesc newskb_keydesctab[]; 71 72 CFATTACH_DECL(kb_hb, sizeof(struct kb_hb_softc), 73 kb_hb_match, kb_hb_attach, NULL, NULL); 74 75 struct wskbd_accessops kb_hb_accessops = { 76 kb_hb_enable, 77 kb_hb_setleds, 78 kb_hb_ioctl 79 }; 80 81 struct wskbd_consops kb_hb_consops = { 82 kb_hb_cngetc, 83 kb_hb_cnpollc 84 }; 85 86 struct wskbd_mapdata kb_hb_keymapdata = { 87 newskb_keydesctab, 88 KB_JP 89 }; 90 91 int 92 kb_hb_match(struct device *parent, struct cfdata *cf, void *aux) 93 { 94 struct hb_attach_args *ha = aux; 95 96 if (strcmp(ha->ha_name, "kb") == 0) 97 return 1; 98 99 return 0; 100 } 101 102 void 103 kb_hb_attach(struct device *parent, struct device *self, void *aux) 104 { 105 struct kb_hb_softc *sc = (void *)self; 106 struct hb_attach_args *ha = aux; 107 volatile struct kbreg *reg; 108 volatile int *dipsw = (void *)DIP_SWITCH; 109 struct wskbddev_attach_args aa; 110 int intr, cons; 111 112 reg = (struct kbreg *)ha->ha_addr; 113 intr = ha->ha_level; 114 115 if (intr == -1) 116 intr = 2; 117 118 sc->sc_reg = reg; 119 reg->kb_reset = 0x01; 120 reg->kb_init = 0xf0; /* 9600 bps */ 121 122 printf(" level %d", intr); 123 cons = 0; 124 if (*dipsw & 7) { 125 cons = 1; 126 printf(" (console)"); 127 } 128 printf("\n"); 129 130 hb_intr_establish(intr, INTEN0_KBDINT, IPL_TTY, kb_hb_intr, sc); 131 132 aa.console = cons; 133 aa.keymap = &kb_hb_keymapdata; 134 aa.accessops = &kb_hb_accessops; 135 aa.accesscookie = sc; 136 sc->sc_wskbddev = config_found(self, &aa, wskbddevprint); 137 } 138 139 int 140 kb_hb_intr(void *v) 141 { 142 struct kb_hb_softc *sc = v; 143 volatile struct kbreg *reg = sc->sc_reg; 144 volatile u_char *ien = (void *)INTEN0; 145 int code, type, release, val; 146 int rv = 0; 147 148 *ien &= ~RX_KBINTE; 149 150 while (reg->kb_stat & RX_KBRDY) { 151 code = reg->kb_data; 152 release = code & 0x80; 153 val = code & 0x7f; 154 type = release ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 155 if (sc->sc_wskbddev) 156 wskbd_input(sc->sc_wskbddev, type, val); 157 rv = 1; 158 } 159 160 *ien |= RX_KBINTE; 161 return rv; 162 } 163 164 void 165 kb_hb_cnattach(void) 166 { 167 volatile int *dipsw = (void *)DIP_SWITCH; 168 169 if (*dipsw & 7) 170 wskbd_cnattach(&kb_hb_consops, (void *)KEYB_DATA, 171 &kb_hb_keymapdata); 172 } 173 174 void 175 kb_hb_cngetc(void *v, u_int *type, int *data) 176 { 177 volatile struct kbreg *reg = v; 178 volatile u_char *ien = (void *)INTEN0; 179 int code, release, ointr; 180 181 ointr = *ien & RX_KBINTE; 182 *ien &= ~RX_KBINTE; 183 184 /* Wait for key data. */ 185 while ((reg->kb_stat & RX_KBRDY) == 0); 186 187 code = reg->kb_data; 188 release = code & 0x80; 189 *data = code & 0x7f; 190 *type = release ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 191 192 *ien |= ointr; 193 } 194 195 void 196 kb_hb_cnpollc(void *v, int on) 197 { 198 } 199 200 int 201 kb_hb_enable(void *v, int on) 202 { 203 204 return 0; 205 } 206 207 void 208 kb_hb_setleds(void *v, int on) 209 { 210 } 211 212 int 213 kb_hb_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p) 214 { 215 216 switch (cmd) { 217 218 case WSKBDIO_GTYPE: 219 *(int *)data = 0; /* XXX */ 220 return 0; 221 case WSKBDIO_SETLEDS: 222 return 0; 223 case WSKBDIO_GETLEDS: 224 *(int *)data = 0; 225 return 0; 226 } 227 228 return EPASSTHROUGH; 229 } 230
Indexes created Tue Oct 21 08:09:48 GMT 2025