1 /* $NetBSD: kb_hb.c,v 1.15 2021/08/07 16:19:01 thorpej 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 1.15 2021/08/07 16:19:01 thorpej 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 volatile uint8_t kb_data; 47 volatile uint8_t kb_stat; 48 volatile uint8_t kb_reset; 49 volatile uint8_t kb_init; 50 }; 51 52 struct kb_hb_softc { 53 device_t sc_dev; 54 struct kbreg *sc_reg; 55 device_t sc_wskbddev; 56 }; 57 58 int kb_hb_match(device_t, cfdata_t, void *); 59 void kb_hb_attach(device_t, device_t, 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, void *, int, struct lwp *); 69 70 extern struct wscons_keydesc newskb_keydesctab[]; 71 72 CFATTACH_DECL_NEW(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(device_t parent, cfdata_t 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(device_t parent, device_t self, void *aux) 104 { 105 struct kb_hb_softc *sc = device_private(self); 106 struct hb_attach_args *ha = aux; 107 struct kbreg *reg; 108 volatile uint32_t *dipsw = (void *)DIP_SWITCH; 109 struct wskbddev_attach_args aa; 110 int intr, cons; 111 112 sc->sc_dev = self; 113 114 reg = (struct kbreg *)ha->ha_addr; 115 intr = ha->ha_level; 116 117 if (intr == -1) 118 intr = 2; 119 120 sc->sc_reg = reg; 121 reg->kb_reset = 0x01; 122 reg->kb_init = 0xf0; /* 9600 bps */ 123 124 aprint_normal(" level %d", intr); 125 cons = 0; 126 if (*dipsw & 7) { 127 cons = 1; 128 aprint_normal(" (console)"); 129 } 130 aprint_normal("\n"); 131 132 hb_intr_establish(intr, INTEN0_KBDINT, IPL_TTY, kb_hb_intr, sc); 133 134 aa.console = cons; 135 aa.keymap = &kb_hb_keymapdata; 136 aa.accessops = &kb_hb_accessops; 137 aa.accesscookie = sc; 138 sc->sc_wskbddev = config_found(self, &aa, wskbddevprint, CFARGS_NONE); 139 } 140 141 int 142 kb_hb_intr(void *v) 143 { 144 struct kb_hb_softc *sc = v; 145 struct kbreg *reg = sc->sc_reg; 146 volatile uint8_t *ien = (void *)INTEN0; 147 int code, type, release, val; 148 int rv = 0; 149 150 *ien &= ~RX_KBINTE; 151 152 while (reg->kb_stat & RX_KBRDY) { 153 code = reg->kb_data; 154 release = code & 0x80; 155 val = code & 0x7f; 156 type = release ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 157 if (sc->sc_wskbddev) 158 wskbd_input(sc->sc_wskbddev, type, val); 159 rv = 1; 160 } 161 162 *ien |= RX_KBINTE; 163 return rv; 164 } 165 166 void 167 kb_hb_cnattach(void) 168 { 169 volatile uint32_t *dipsw = (void *)DIP_SWITCH; 170 171 if (*dipsw & 7) 172 wskbd_cnattach(&kb_hb_consops, (void *)KEYB_DATA, 173 &kb_hb_keymapdata); 174 } 175 176 void 177 kb_hb_cngetc(void *v, u_int *type, int *data) 178 { 179 struct kbreg *reg = v; 180 volatile uint8_t *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(void *v, int on) 199 { 200 } 201 202 int 203 kb_hb_enable(void *v, int on) 204 { 205 206 return 0; 207 } 208 209 void 210 kb_hb_setleds(void *v, int on) 211 { 212 } 213 214 int 215 kb_hb_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l) 216 { 217 218 switch (cmd) { 219 220 case WSKBDIO_GTYPE: 221 *(int *)data = 0; /* XXX */ 222 return 0; 223 case WSKBDIO_SETLEDS: 224 return 0; 225 case WSKBDIO_GETLEDS: 226 *(int *)data = 0; 227 return 0; 228 } 229 230 return EPASSTHROUGH; 231 } 232
Indexes created Sun Sep 21 20:09:37 GMT 2025