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mkbd.c revision 1.2
      1 /*	$NetBSD: mkbd.c,v 1.2 2001/01/21 22:44:40 marcus Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 Marcus Comstedt
      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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Marcus Comstedt.
     18  * 4. Neither the name of The NetBSD Foundation nor the names of its
     19  *    contributors may be used to endorse or promote products derived
     20  *    from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     23  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     24  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     25  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     32  * POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 
     35 #include <sys/param.h>
     36 #include <sys/device.h>
     37 #include <sys/fcntl.h>
     38 #include <sys/poll.h>
     39 #include <sys/select.h>
     40 #include <sys/proc.h>
     41 #include <sys/signalvar.h>
     42 #include <sys/systm.h>
     43 
     44 #include "wskbd.h"
     45 
     46 #include <dev/wscons/wsconsio.h>
     47 #include <dev/wscons/wskbdvar.h>
     48 #include <dev/wscons/wsksymdef.h>
     49 #include <dev/wscons/wsksymvar.h>
     50 
     51 #include <machine/cpu.h>
     52 #include <machine/bus.h>
     53 
     54 #include <dreamcast/dev/maple/maple.h>
     55 #include <dreamcast/dev/maple/mapleconf.h>
     56 #include <dreamcast/dev/maple/mkbdvar.h>
     57 #include <dreamcast/dev/maple/mkbdmap.h>
     58 
     59 
     60 /*
     61  * Function declarations.
     62  */
     63 static int	mkbdmatch __P((struct device *, struct cfdata *, void *));
     64 static void	mkbdattach __P((struct device *, struct device *, void *));
     65 
     66 int mkbd_enable __P((void *, int));
     67 void mkbd_set_leds __P((void *, int));
     68 int mkbd_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
     69 
     70 struct wskbd_accessops mkbd_accessops = {
     71 	mkbd_enable,
     72 	mkbd_set_leds,
     73 	mkbd_ioctl,
     74 };
     75 
     76 static void	mkbd_intr __P((struct mkbd_softc *, struct mkbd_condition *, int));
     77 
     78 void mkbd_cngetc __P((void *, u_int *, int *));
     79 void mkbd_cnpollc __P((void *, int));
     80 int mkbd_cnattach __P((void));
     81 
     82 struct wskbd_consops mkbd_consops = {
     83 	mkbd_cngetc,
     84 	mkbd_cnpollc,
     85 };
     86 
     87 struct wskbd_mapdata mkbd_keymapdata = {
     88 	mkbd_keydesctab,
     89 	KB_JP,
     90 };
     91 
     92 static struct mkbd_softc *mkbd_console_softc = NULL;
     93 
     94 /* Driver definition. */
     95 struct cfattach mkbd_ca = {
     96 	sizeof(struct mkbd_softc), mkbdmatch, mkbdattach
     97 };
     98 
     99 static int
    100 mkbdmatch(parent, cf, aux)
    101 	struct device *parent;
    102 	struct cfdata *cf;
    103 	void   *aux;
    104 {
    105 	struct maple_attach_args *ma = aux;
    106 
    107 	return (ma->ma_devinfo->di_func & MAPLE_FUNC_KEYBOARD) != 0;
    108 }
    109 
    110 static void
    111 mkbdattach(parent, self, aux)
    112 	struct device *parent, *self;
    113 	void   *aux;
    114 {
    115 	struct mkbd_softc *sc = (struct mkbd_softc *)self;
    116 	struct maple_attach_args *ma = aux;
    117 #if NWSKBD > 0
    118 	struct wskbddev_attach_args a;
    119 	static int mkbd_console_initted = 0;
    120 #endif
    121 
    122 	sc->sc_parent = parent;
    123 	sc->sc_port = ma->ma_port;
    124 	sc->sc_subunit = ma->ma_subunit;
    125 
    126 	switch(maple_get_function_data(ma->ma_devinfo,
    127 				       MAPLE_FUNC_KEYBOARD)>>24) {
    128  	  case 1: printf(" (Japanese keyboard)"); break;
    129 	  case 3: printf(" (European keyboard)"); break;
    130 	  default: printf(" (Unknown keyboard)");
    131 	}
    132 	printf("\n");
    133 
    134 #if NWSKBD > 0
    135 	a.console = (++mkbd_console_initted == 1);
    136 	a.keymap = &mkbd_keymapdata;
    137 	a.accessops = &mkbd_accessops;
    138 	a.accesscookie = sc;
    139 	if (a.console)
    140 	  mkbd_console_softc = sc;
    141 	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
    142 #endif
    143 
    144 	maple_set_condition_callback(parent, sc->sc_port, sc->sc_subunit,
    145 				     MAPLE_FUNC_KEYBOARD,
    146 				     (void (*)(void *, void *, int))mkbd_intr,
    147 				     sc);
    148 }
    149 
    150 
    151 
    152 int
    153 mkbd_enable(v, on)
    154 	void *v;
    155 	int on;
    156 {
    157 	return 0;
    158 }
    159 
    160 void
    161 mkbd_set_leds(v, on)
    162 	void *v;
    163 	int on;
    164 {
    165 }
    166 
    167 int
    168 mkbd_ioctl(v, cmd, data, flag, p)
    169 	void *v;
    170 	u_long cmd;
    171 	caddr_t data;
    172 	int flag;
    173 	struct proc *p;
    174 {
    175 	switch (cmd) {
    176 
    177 	case WSKBDIO_GTYPE:
    178 		*(int *)data = 0;		/* XXX */
    179 		return 0;
    180 	case WSKBDIO_SETLEDS:
    181 		return 0;
    182 	case WSKBDIO_GETLEDS:
    183 		*(int *)data = 0;
    184 		return 0;
    185 	case WSKBDIO_BELL:
    186 	case WSKBDIO_COMPLEXBELL:
    187 		return 0;
    188 	}
    189 
    190 	return -1;
    191 }
    192 
    193 
    194 int
    195 mkbd_cnattach()
    196 {
    197 	wskbd_cnattach(&mkbd_consops, NULL, &mkbd_keymapdata);
    198 
    199 	return 0;
    200 }
    201 
    202 static int polledkey;
    203 extern int maple_polling;
    204 
    205 #define SHIFT_KEYCODE_BASE 0x100
    206 #define UP_KEYCODE_FLAG 0x1000
    207 
    208 #define KEY_UP(n) \
    209 	if (maple_polling) \
    210 	  polledkey = (n)|UP_KEYCODE_FLAG; \
    211 	else \
    212 	  wskbd_input(sc->sc_wskbddev, WSCONS_EVENT_KEY_UP, (n))
    213 
    214 #define KEY_DOWN(n) \
    215 	if (maple_polling) \
    216 	  polledkey = (n); \
    217 	else \
    218 	  wskbd_input(sc->sc_wskbddev, WSCONS_EVENT_KEY_DOWN, (n))
    219 
    220 #define SHIFT_UP(n) KEY_UP((n)|SHIFT_KEYCODE_BASE)
    221 #define SHIFT_DOWN(n) KEY_DOWN((n)|SHIFT_KEYCODE_BASE)
    222 
    223 static void
    224 mkbd_intr(sc, kbddata, sz)
    225 	struct mkbd_softc *sc;
    226 	struct mkbd_condition *kbddata;
    227 	int sz;
    228 {
    229 	if (sz >= sizeof(struct mkbd_condition)) {
    230 	  int i, j, v;
    231 
    232 	  v = sc->sc_condition.shift & ~kbddata->shift;
    233 	  if (v)
    234 	    for (i=0; i<8; i++)
    235 	      if (v & (1<<i))
    236 		SHIFT_UP(i);
    237 
    238 	  v = kbddata->shift & ~sc->sc_condition.shift;
    239 	  if (v)
    240 	    for (i=0; i<8; i++)
    241 	      if (v & (1<<i))
    242 		SHIFT_DOWN(i);
    243 
    244 	  for (i=0, j=0; i<6; i++)
    245 	    if (sc->sc_condition.key[i] < 4)
    246 	      break;
    247 	    else if(sc->sc_condition.key[i] == kbddata->key[j])
    248 	      j++;
    249 	    else
    250 	      KEY_UP(sc->sc_condition.key[i]);
    251 
    252 	  for (; j<6; j++)
    253 	    if (kbddata->key[j] < 4)
    254 	      break;
    255 	    else
    256 	      KEY_DOWN(kbddata->key[j]);
    257 
    258 	  bcopy(kbddata, &sc->sc_condition, sizeof(struct mkbd_condition));
    259 	}
    260 }
    261 
    262 void
    263 mkbd_cngetc(v, type, data)
    264 	void *v;
    265 	u_int *type;
    266 	int *data;
    267 {
    268 	int key;
    269 
    270 	polledkey = -1;
    271 	maple_polling = 1;
    272 	while (polledkey == -1)
    273 	  if (mkbd_console_softc != NULL ||
    274 	      mkbd_console_softc->sc_parent != NULL) {
    275 	    int t;
    276 	    for(t=0; t<1000000; t++);
    277 	    maple_run_polling(mkbd_console_softc->sc_parent);
    278 	  }
    279 	maple_polling = 0;
    280 	key = polledkey;
    281 
    282 	*data = key & ~UP_KEYCODE_FLAG;
    283 	*type = (key & UP_KEYCODE_FLAG)?
    284 	  WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
    285 }
    286 
    287 void
    288 mkbd_cnpollc(v, on)
    289 	void *v;
    290 	int on;
    291 {
    292 }
    293