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dzkbd.c revision 1.9
      1 /*	$NetBSD: dzkbd.c,v 1.9 2002/09/30 20:53:39 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1992, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This software was developed by the Computer Systems Engineering group
      8  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      9  * contributed to Berkeley.
     10  *
     11  * All advertising materials mentioning features or use of this software
     12  * must display the following acknowledgement:
     13  *	This product includes software developed by the University of
     14  *	California, Lawrence Berkeley Laboratory.
     15  *
     16  * Redistribution and use in source and binary forms, with or without
     17  * modification, are permitted provided that the following conditions
     18  * are met:
     19  * 1. Redistributions of source code must retain the above copyright
     20  *    notice, this list of conditions and the following disclaimer.
     21  * 2. Redistributions in binary form must reproduce the above copyright
     22  *    notice, this list of conditions and the following disclaimer in the
     23  *    documentation and/or other materials provided with the distribution.
     24  * 3. All advertising materials mentioning features or use of this software
     25  *    must display the following acknowledgement:
     26  *	This product includes software developed by the University of
     27  *	California, Berkeley and its contributors.
     28  * 4. Neither the name of the University nor the names of its contributors
     29  *    may be used to endorse or promote products derived from this software
     30  *    without specific prior written permission.
     31  *
     32  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     33  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     34  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     35  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     36  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     40  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     41  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     42  * SUCH DAMAGE.
     43  *
     44  *	@(#)kbd.c	8.2 (Berkeley) 10/30/93
     45  */
     46 
     47 /*
     48  * LK200/LK400 keyboard attached to line 0 of the DZ*-11
     49  */
     50 
     51 #include <sys/cdefs.h>
     52 __KERNEL_RCSID(0, "$NetBSD: dzkbd.c,v 1.9 2002/09/30 20:53:39 thorpej Exp $");
     53 
     54 #include <sys/param.h>
     55 #include <sys/systm.h>
     56 #include <sys/device.h>
     57 #include <sys/ioctl.h>
     58 #include <sys/syslog.h>
     59 #include <sys/malloc.h>
     60 
     61 #include <dev/wscons/wsconsio.h>
     62 #include <dev/wscons/wskbdvar.h>
     63 #include <dev/wscons/wsksymdef.h>
     64 #include <dev/wscons/wsksymvar.h>
     65 #include <dev/dec/wskbdmap_lk201.h>
     66 
     67 #include <machine/bus.h>
     68 
     69 #include <dev/dec/dzreg.h>
     70 #include <dev/dec/dzvar.h>
     71 #include <dev/dec/dzkbdvar.h>
     72 #include <dev/dec/lk201reg.h>
     73 #include <dev/dec/lk201var.h>
     74 
     75 #include "locators.h"
     76 
     77 struct dzkbd_internal {
     78 	struct dz_linestate *dzi_ls;
     79 	struct lk201_state dzi_ks;
     80 };
     81 
     82 struct dzkbd_internal dzkbd_console_internal;
     83 
     84 struct dzkbd_softc {
     85 	struct device dzkbd_dev;	/* required first: base device */
     86 
     87 	struct dzkbd_internal *sc_itl;
     88 
     89 	int sc_enabled;
     90 	int kbd_type;
     91 
     92 	struct device *sc_wskbddev;
     93 };
     94 
     95 static int	dzkbd_input __P((void *, int));
     96 
     97 static int	dzkbd_match __P((struct device *, struct cfdata *, void *));
     98 static void	dzkbd_attach __P((struct device *, struct device *, void *));
     99 
    100 CFATTACH_DECL(dzkbd, sizeof(struct dzkbd_softc),
    101     dzkbd_match, dzkbd_attach, NULL, NULL)
    102 
    103 static int	dzkbd_enable __P((void *, int));
    104 static void	dzkbd_set_leds __P((void *, int));
    105 static int	dzkbd_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
    106 
    107 const struct wskbd_accessops dzkbd_accessops = {
    108 	dzkbd_enable,
    109 	dzkbd_set_leds,
    110 	dzkbd_ioctl,
    111 };
    112 
    113 static void	dzkbd_cngetc(void *, u_int *, int *);
    114 static void	dzkbd_cnpollc(void *, int);
    115 
    116 const struct wskbd_consops dzkbd_consops = {
    117 	dzkbd_cngetc,
    118 	dzkbd_cnpollc,
    119 };
    120 
    121 static int dzkbd_sendchar __P((void *, u_char));
    122 
    123 const struct wskbd_mapdata dzkbd_keymapdata = {
    124 	lkkbd_keydesctab,
    125 #ifdef DZKBD_LAYOUT
    126 	DZKBD_LAYOUT,
    127 #else
    128 	KB_US | KB_LK401,
    129 #endif
    130 };
    131 
    132 /*
    133  * kbd_match: how is this dz line configured?
    134  */
    135 static int
    136 dzkbd_match(struct device *parent, struct cfdata *cf, void *aux)
    137 {
    138 	struct dzkm_attach_args *daa = aux;
    139 
    140 	/* Exact match is better than wildcard. */
    141 	if (cf->cf_loc[DZCF_LINE] == daa->daa_line)
    142 		return 2;
    143 
    144 	/* This driver accepts wildcard. */
    145 	if (cf->cf_loc[DZCF_LINE] == DZCF_LINE_DEFAULT)
    146 		return 1;
    147 
    148 	return 0;
    149 }
    150 
    151 static void
    152 dzkbd_attach(struct device *parent, struct device *self, void *aux)
    153 {
    154 	struct dz_softc *dz = (void *)parent;
    155 	struct dzkbd_softc *dzkbd = (void *)self;
    156 	struct dzkm_attach_args *daa = aux;
    157 	struct dz_linestate *ls;
    158 	struct dzkbd_internal *dzi;
    159 	struct wskbddev_attach_args a;
    160 	int isconsole;
    161 
    162 	dz->sc_dz[daa->daa_line].dz_catch = dzkbd_input;
    163 	dz->sc_dz[daa->daa_line].dz_private = dzkbd;
    164 	ls = &dz->sc_dz[daa->daa_line];
    165 
    166 	isconsole = (daa->daa_flags & DZKBD_CONSOLE);
    167 
    168 	if (isconsole) {
    169 		dzi = &dzkbd_console_internal;
    170 	} else {
    171 		dzi = malloc(sizeof(struct dzkbd_internal),
    172 				       M_DEVBUF, M_NOWAIT);
    173 		dzi->dzi_ks.attmt.sendchar = dzkbd_sendchar;
    174 		dzi->dzi_ks.attmt.cookie = ls;
    175 		dzi->dzi_ls = ls;
    176 	}
    177 	dzkbd->sc_itl = dzi;
    178 
    179 	printf("\n");
    180 
    181 	if (!isconsole)
    182 		lk201_init(&dzi->dzi_ks);
    183 
    184 	/* XXX should identify keyboard ID here XXX */
    185 	/* XXX layout and the number of LED is varying XXX */
    186 
    187 	dzkbd->kbd_type = WSKBD_TYPE_LK201;
    188 
    189 	dzkbd->sc_enabled = 1;
    190 
    191 	a.console = isconsole;
    192 	a.keymap = &dzkbd_keymapdata;
    193 	a.accessops = &dzkbd_accessops;
    194 	a.accesscookie = dzkbd;
    195 
    196 	dzkbd->sc_wskbddev = config_found(self, &a, wskbddevprint);
    197 }
    198 
    199 int
    200 dzkbd_cnattach(ls)
    201 	struct dz_linestate *ls;
    202 {
    203 
    204 	dzkbd_console_internal.dzi_ks.attmt.sendchar = dzkbd_sendchar;
    205 	dzkbd_console_internal.dzi_ks.attmt.cookie = ls;
    206 	lk201_init(&dzkbd_console_internal.dzi_ks);
    207 	dzkbd_console_internal.dzi_ls = ls;
    208 
    209 	wskbd_cnattach(&dzkbd_consops, &dzkbd_console_internal,
    210 		       &dzkbd_keymapdata);
    211 
    212 	return 0;
    213 }
    214 
    215 static int
    216 dzkbd_enable(v, on)
    217 	void *v;
    218 	int on;
    219 {
    220 	struct dzkbd_softc *sc = v;
    221 
    222 	sc->sc_enabled = on;
    223 	return 0;
    224 }
    225 
    226 static int
    227 dzkbd_sendchar(v, c)
    228 	void *v;
    229 	u_char c;
    230 {
    231 	struct dz_linestate *ls = v;
    232 	int s;
    233 
    234 	s = spltty();
    235 	dzputc(ls, c);
    236 	splx(s);
    237 	return (0);
    238 }
    239 
    240 static void
    241 dzkbd_cngetc(v, type, data)
    242 	void *v;
    243 	u_int *type;
    244 	int *data;
    245 {
    246 	struct dzkbd_internal *dzi = v;
    247 	int c;
    248 
    249 	do {
    250 		c = dzgetc(dzi->dzi_ls);
    251 	} while (!lk201_decode(&dzi->dzi_ks, c, type, data));
    252 }
    253 
    254 static void
    255 dzkbd_cnpollc(v, on)
    256 	void *v;
    257         int on;
    258 {
    259 #if 0
    260 	struct dzkbd_internal *dzi = v;
    261 #endif
    262 }
    263 
    264 static void
    265 dzkbd_set_leds(v, leds)
    266 	void *v;
    267 	int leds;
    268 {
    269 	struct dzkbd_softc *sc = (struct dzkbd_softc *)v;
    270 
    271 //printf("dzkbd_set_leds\n");
    272 	lk201_set_leds(&sc->sc_itl->dzi_ks, leds);
    273 }
    274 
    275 static int
    276 dzkbd_ioctl(v, cmd, data, flag, p)
    277 	void *v;
    278 	u_long cmd;
    279 	caddr_t data;
    280 	int flag;
    281 	struct proc *p;
    282 {
    283 	struct dzkbd_softc *sc = (struct dzkbd_softc *)v;
    284 
    285 	switch (cmd) {
    286 	case WSKBDIO_GTYPE:
    287 		*(int *)data = sc->kbd_type;
    288 		return 0;
    289 	case WSKBDIO_SETLEDS:
    290 		lk201_set_leds(&sc->sc_itl->dzi_ks, *(int *)data);
    291 		return 0;
    292 	case WSKBDIO_GETLEDS:
    293 		/* XXX don't dig in kbd internals */
    294 		*(int *)data = sc->sc_itl->dzi_ks.leds_state;
    295 		return 0;
    296 	case WSKBDIO_COMPLEXBELL:
    297 		lk201_bell(&sc->sc_itl->dzi_ks,
    298 			   (struct wskbd_bell_data *)data);
    299 		return 0;
    300 	case WSKBDIO_SETKEYCLICK:
    301 		lk201_set_keyclick(&sc->sc_itl->dzi_ks, *(int *)data);
    302 		return 0;
    303 	case WSKBDIO_GETKEYCLICK:
    304 		/* XXX don't dig in kbd internals */
    305 		*(int *)data = sc->sc_itl->dzi_ks.kcvol;
    306 		return 0;
    307 	}
    308 	return (EPASSTHROUGH);
    309 }
    310 
    311 static int
    312 dzkbd_input(v, data)
    313 	void *v;
    314 	int data;
    315 {
    316 	struct dzkbd_softc *sc = (struct dzkbd_softc *)v;
    317 	u_int type;
    318 	int val;
    319 
    320 	if (sc->sc_enabled == 0)
    321 		return(0);
    322 
    323 	if (lk201_decode(&sc->sc_itl->dzi_ks, data, &type, &val))
    324 		wskbd_input(sc->sc_wskbddev, type, val);
    325 	return(1);
    326 }
    327 
    328