1 /* $NetBSD: kb_ap.c,v 1.8 2007/03/04 06:00:26 christos 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_ap.c,v 1.8 2007/03/04 06:00:26 christos Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/device.h> 35 36 #include <dev/wscons/wsconsio.h> 37 #include <dev/wscons/wskbdvar.h> 38 #include <dev/wscons/wsksymdef.h> 39 40 #include <machine/adrsmap.h> 41 #include <newsmips/apbus/apbusvar.h> 42 43 struct kbreg { 44 u_int kb_rx_data; 45 u_int kb_rx_stat; 46 u_int kb_rx_intr_en; 47 u_int kb_rx_reset; 48 u_int kb_rx_speed; 49 50 u_int ms_rx_data; 51 u_int ms_rx_stat; 52 u_int ms_rx_intr_en; 53 u_int ms_rx_reset; 54 u_int ms_rx_speed; 55 56 u_int kb_buzzf; 57 u_int kb_buzz; 58 59 u_int kb_tx_data; 60 u_int kb_tx_stat; 61 u_int kb_tx_intr_en; 62 u_int kb_tx_reset; 63 u_int kb_tx_speed; 64 }; 65 66 struct kb_ap_softc { 67 struct device sc_dev; 68 volatile struct kbreg *sc_reg; 69 struct device *sc_wskbddev; 70 }; 71 72 int kb_ap_match(struct device *, struct cfdata *, void *); 73 void kb_ap_attach(struct device *, struct device *, void *); 74 int kb_ap_intr(void *); 75 76 void kb_ap_cnattach(void); 77 void kb_ap_cngetc(void *, u_int *, int *); 78 void kb_ap_cnpollc(void *, int); 79 80 int kb_ap_enable(void *, int); 81 void kb_ap_setleds(void *, int); 82 int kb_ap_ioctl(void *, u_long, void *, int, struct lwp *); 83 84 extern struct wscons_keydesc newskb_keydesctab[]; 85 86 CFATTACH_DECL(kb_ap, sizeof(struct kb_ap_softc), 87 kb_ap_match, kb_ap_attach, NULL, NULL); 88 89 struct wskbd_accessops kb_ap_accessops = { 90 kb_ap_enable, 91 kb_ap_setleds, 92 kb_ap_ioctl, 93 }; 94 95 struct wskbd_consops kb_ap_consops = { 96 kb_ap_cngetc, 97 kb_ap_cnpollc, 98 }; 99 100 struct wskbd_mapdata kb_ap_keymapdata = { 101 newskb_keydesctab, 102 KB_JP, 103 }; 104 105 int 106 kb_ap_match(struct device *parent, struct cfdata *cf, void *aux) 107 { 108 struct apbus_attach_args *apa = aux; 109 110 if (strcmp(apa->apa_name, "kb") == 0) 111 return 1; 112 113 return 0; 114 } 115 116 void 117 kb_ap_attach(struct device *parent, struct device *self, void *aux) 118 { 119 struct kb_ap_softc *sc = (void *)self; 120 struct apbus_attach_args *apa = aux; 121 volatile struct kbreg *reg = (void *)apa->apa_hwbase; 122 volatile int *dipsw = (void *)NEWS5000_DIP_SWITCH; 123 struct wskbddev_attach_args waa; 124 int cons = 0; 125 126 printf(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase); 127 128 sc->sc_reg = reg; 129 130 if (*dipsw & 7) { 131 printf(" (console)"); 132 cons = 1; 133 } 134 printf("\n"); 135 136 reg->kb_rx_reset = 0x03; 137 reg->kb_tx_reset = 0x03; 138 139 reg->kb_rx_speed = 0x04; 140 reg->kb_tx_speed = 0x04; 141 142 reg->kb_rx_intr_en = 1; 143 reg->kb_tx_intr_en = 0; 144 145 apbus_intr_establish(1, NEWS5000_INT1_KBD, 0, kb_ap_intr, sc, 146 "", apa->apa_ctlnum); 147 148 waa.console = cons; 149 waa.keymap = &kb_ap_keymapdata; 150 waa.accessops = &kb_ap_accessops; 151 waa.accesscookie = sc; 152 153 sc->sc_wskbddev = config_found(self, &waa, wskbddevprint); 154 } 155 156 int 157 kb_ap_intr(void *v) 158 { 159 struct kb_ap_softc *sc = v; 160 volatile struct kbreg *reg = sc->sc_reg; 161 int key, val, type, release; 162 int rv = 0; 163 164 while (reg->kb_rx_stat & RX_KBRDY) { 165 key = reg->kb_rx_data; 166 val = key & 0x7f; 167 release = key & 0x80; 168 type = release ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 169 170 if (sc->sc_wskbddev) 171 wskbd_input(sc->sc_wskbddev, type, val); 172 173 rv = 1; 174 } 175 176 return rv; 177 } 178 179 void 180 kb_ap_cnattach(void) 181 { 182 183 wskbd_cnattach(&kb_ap_consops, (void *)0xbf900000, &kb_ap_keymapdata); 184 } 185 186 void 187 kb_ap_cngetc(void *v, u_int *type, int *data) 188 { 189 volatile struct kbreg *reg = v; 190 int key, release, ointr; 191 192 /* Disable keyboard interrupt. */ 193 ointr = reg->kb_rx_intr_en; 194 reg->kb_rx_intr_en = 0; 195 196 /* Wait for key data. */ 197 while ((reg->kb_rx_stat & RX_KBRDY) == 0); 198 199 key = reg->kb_rx_data; 200 release = key & 0x80; 201 *data = key & 0x7f; 202 *type = release ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 203 204 reg->kb_rx_intr_en = ointr; 205 } 206 207 void 208 kb_ap_cnpollc(void *v, int on) 209 { 210 } 211 212 int 213 kb_ap_enable(void *v, int on) 214 { 215 216 return 0; 217 } 218 219 void 220 kb_ap_setleds(void *v, int on) 221 { 222 } 223 224 int 225 kb_ap_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l) 226 { 227 228 switch (cmd) { 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