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mkbd.c revision 1.8
      1 /*	$NetBSD: mkbd.c,v 1.8 2001/05/26 19:04:40 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 static int mkbd_console_initted = 0;
     95 
     96 /* Driver definition. */
     97 struct cfattach mkbd_ca = {
     98 	sizeof(struct mkbd_softc), mkbdmatch, mkbdattach
     99 };
    100 
    101 static int
    102 mkbdmatch(parent, cf, aux)
    103 	struct device *parent;
    104 	struct cfdata *cf;
    105 	void   *aux;
    106 {
    107 	struct maple_attach_args *ma = aux;
    108 
    109 	return (ma->ma_function & MAPLE_FUNC_KEYBOARD) != 0;
    110 }
    111 
    112 static void
    113 mkbdattach(parent, self, aux)
    114 	struct device *parent, *self;
    115 	void   *aux;
    116 {
    117 	struct mkbd_softc *sc = (struct mkbd_softc *)self;
    118 	struct maple_attach_args *ma = aux;
    119 #if NWSKBD > 0
    120 	struct wskbddev_attach_args a;
    121 #endif
    122 	u_int32_t kbdtype;
    123 
    124 	sc->sc_parent = parent;
    125 	sc->sc_port = ma->ma_port;
    126 	sc->sc_subunit = ma->ma_subunit;
    127 
    128 	kbdtype = maple_get_function_data(ma->ma_devinfo,
    129 	    MAPLE_FUNC_KEYBOARD) >> 24;
    130 	switch(kbdtype) {
    131  	case 1:
    132  		printf(": Japanese keyboard");
    133 		mkbd_keymapdata.layout = KB_JP;
    134  		break;
    135 	case 2:
    136 		printf(": US keyboard");
    137 		mkbd_keymapdata.layout = KB_US;
    138 		break;
    139 	case 3:
    140 		printf(": European keyboard");
    141 		mkbd_keymapdata.layout = KB_UK;
    142 		break;
    143 	default:
    144 		printf(": Unknown keyboard %d", kbdtype);
    145 	}
    146 	printf("\n");
    147 
    148 #if NWSKBD > 0
    149 	a.console = ((sc->sc_dev.dv_unit == 0) && (mkbd_console_initted == 1))
    150 		? 1 : 0;
    151 	a.keymap = &mkbd_keymapdata;
    152 	a.accessops = &mkbd_accessops;
    153 	a.accesscookie = sc;
    154 	if (a.console)
    155 	  mkbd_console_softc = sc;
    156 	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
    157 #endif
    158 
    159 	maple_set_condition_callback(parent, sc->sc_port, sc->sc_subunit,
    160 				     MAPLE_FUNC_KEYBOARD,
    161 				     (void (*)(void *, void *, int))mkbd_intr,
    162 				     sc);
    163 }
    164 
    165 
    166 
    167 int
    168 mkbd_enable(v, on)
    169 	void *v;
    170 	int on;
    171 {
    172 
    173 	return 0;
    174 }
    175 
    176 void
    177 mkbd_set_leds(v, on)
    178 	void *v;
    179 	int on;
    180 {
    181 }
    182 
    183 int
    184 mkbd_ioctl(v, cmd, data, flag, p)
    185 	void *v;
    186 	u_long cmd;
    187 	caddr_t data;
    188 	int flag;
    189 	struct proc *p;
    190 {
    191 
    192 	switch (cmd) {
    193 
    194 	case WSKBDIO_GTYPE:
    195 		*(int *)data = WSKBD_TYPE_USB;		/* XXX */
    196 		return 0;
    197 	case WSKBDIO_SETLEDS:
    198 		return 0;
    199 	case WSKBDIO_GETLEDS:
    200 		*(int *)data = 0;
    201 		return 0;
    202 	case WSKBDIO_BELL:
    203 	case WSKBDIO_COMPLEXBELL:
    204 		return 0;
    205 	}
    206 
    207 	return -1;
    208 }
    209 
    210 
    211 int
    212 mkbd_cnattach()
    213 {
    214 
    215 	wskbd_cnattach(&mkbd_consops, NULL, &mkbd_keymapdata);
    216 	mkbd_console_initted = 1;
    217 
    218 	return 0;
    219 }
    220 
    221 static int polledkey;
    222 extern int maple_polling;
    223 
    224 #define SHIFT_KEYCODE_BASE 0xe0
    225 #define UP_KEYCODE_FLAG 0x1000
    226 
    227 #define KEY_UP(n) \
    228 	if (maple_polling) \
    229 	  polledkey = (n)|UP_KEYCODE_FLAG; \
    230 	else \
    231 	  wskbd_input(sc->sc_wskbddev, WSCONS_EVENT_KEY_UP, (n))
    232 
    233 #define KEY_DOWN(n) \
    234 	if (maple_polling) \
    235 	  polledkey = (n); \
    236 	else \
    237 	  wskbd_input(sc->sc_wskbddev, WSCONS_EVENT_KEY_DOWN, (n))
    238 
    239 #define SHIFT_UP(n) KEY_UP((n)|SHIFT_KEYCODE_BASE)
    240 #define SHIFT_DOWN(n) KEY_DOWN((n)|SHIFT_KEYCODE_BASE)
    241 
    242 static void
    243 mkbd_intr(sc, kbddata, sz)
    244 	struct mkbd_softc *sc;
    245 	struct mkbd_condition *kbddata;
    246 	int sz;
    247 {
    248 
    249 	if (sz >= sizeof(struct mkbd_condition)) {
    250 	  int i, j, v;
    251 
    252 	  v = sc->sc_condition.shift & ~kbddata->shift;
    253 	  if (v)
    254 	    for (i=0; i<8; i++)
    255 	      if (v & (1<<i))
    256 		SHIFT_UP(i);
    257 
    258 	  v = kbddata->shift & ~sc->sc_condition.shift;
    259 	  if (v)
    260 	    for (i=0; i<8; i++)
    261 	      if (v & (1<<i))
    262 		SHIFT_DOWN(i);
    263 
    264 	  for (i=0, j=0; i<6; i++)
    265 	    if (sc->sc_condition.key[i] < 4)
    266 	      break;
    267 	    else if(sc->sc_condition.key[i] == kbddata->key[j])
    268 	      j++;
    269 	    else
    270 	      KEY_UP(sc->sc_condition.key[i]);
    271 
    272 	  for (; j<6; j++)
    273 	    if (kbddata->key[j] < 4)
    274 	      break;
    275 	    else
    276 	      KEY_DOWN(kbddata->key[j]);
    277 
    278 	  bcopy(kbddata, &sc->sc_condition, sizeof(struct mkbd_condition));
    279 	}
    280 }
    281 
    282 void
    283 mkbd_cngetc(v, type, data)
    284 	void *v;
    285 	u_int *type;
    286 	int *data;
    287 {
    288 	int key;
    289 
    290 	polledkey = -1;
    291 	maple_polling = 1;
    292 	while (polledkey == -1)
    293 	  if (mkbd_console_softc != NULL ||
    294 	      mkbd_console_softc->sc_parent != NULL) {
    295 	    int t;
    296 	    for(t=0; t<1000000; t++);
    297 	    maple_run_polling(mkbd_console_softc->sc_parent);
    298 	  }
    299 	maple_polling = 0;
    300 	key = polledkey;
    301 
    302 	*data = key & ~UP_KEYCODE_FLAG;
    303 	*type = (key & UP_KEYCODE_FLAG)?
    304 	  WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
    305 }
    306 
    307 void
    308 mkbd_cnpollc(v, on)
    309 	void *v;
    310 	int on;
    311 {
    312 }
    313