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      1 /*	$NetBSD: dzkbd.c,v 1.35 2025/04/06 03:36:13 riastradh 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. Neither the name of the University nor the names of its contributors
     25  *    may be used to endorse or promote products derived from this software
     26  *    without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     38  * SUCH DAMAGE.
     39  *
     40  *	@(#)kbd.c	8.2 (Berkeley) 10/30/93
     41  */
     42 
     43 /*
     44  * LK200/LK400 keyboard attached to line 0 of the DZ*-11
     45  */
     46 
     47 #include <sys/cdefs.h>
     48 __KERNEL_RCSID(0, "$NetBSD: dzkbd.c,v 1.35 2025/04/06 03:36:13 riastradh Exp $");
     49 
     50 #include <sys/param.h>
     51 #include <sys/systm.h>
     52 #include <sys/device.h>
     53 #include <sys/ioctl.h>
     54 #include <sys/syslog.h>
     55 #include <sys/malloc.h>
     56 #include <sys/intr.h>
     57 
     58 #include <dev/wscons/wsconsio.h>
     59 #include <dev/wscons/wskbdvar.h>
     60 #include <dev/wscons/wsksymdef.h>
     61 #include <dev/wscons/wsksymvar.h>
     62 #include <dev/dec/wskbdmap_lk201.h>
     63 
     64 #include <sys/bus.h>
     65 
     66 #include <dev/dec/dzreg.h>
     67 #include <dev/dec/dzvar.h>
     68 #include <dev/dec/dzkbdvar.h>
     69 #include <dev/dec/lk201reg.h>
     70 #include <dev/dec/lk201var.h>
     71 
     72 #include "locators.h"
     73 
     74 struct dzkbd_internal {
     75 	struct dz_linestate *dzi_ls;
     76 	struct lk201_state dzi_ks;
     77 };
     78 
     79 struct dzkbd_internal dzkbd_console_internal;
     80 
     81 struct dzkbd_softc {
     82 	struct dzkbd_internal *sc_itl;
     83 
     84 	int sc_enabled;
     85 	int kbd_type;
     86 
     87 	device_t sc_wskbddev;
     88 };
     89 
     90 static int	dzkbd_input(void *, int);
     91 
     92 static int	dzkbd_match(device_t, cfdata_t, void *);
     93 static void	dzkbd_attach(device_t, device_t, void *);
     94 
     95 CFATTACH_DECL_NEW(dzkbd, sizeof(struct dzkbd_softc),
     96     dzkbd_match, dzkbd_attach, NULL, NULL);
     97 
     98 static int	dzkbd_enable(void *, int);
     99 static void	dzkbd_set_leds(void *, int);
    100 static int	dzkbd_ioctl(void *, u_long, void *, int, struct lwp *);
    101 
    102 const struct wskbd_accessops dzkbd_accessops = {
    103 	dzkbd_enable,
    104 	dzkbd_set_leds,
    105 	dzkbd_ioctl,
    106 };
    107 
    108 static void	dzkbd_cngetc(void *, u_int *, int *);
    109 static void	dzkbd_cnpollc(void *, int);
    110 
    111 const struct wskbd_consops dzkbd_consops = {
    112 	dzkbd_cngetc,
    113 	dzkbd_cnpollc,
    114 };
    115 
    116 static int dzkbd_sendchar(void *, u_char);
    117 
    118 const struct wskbd_mapdata dzkbd_keymapdata = {
    119 	lkkbd_keydesctab,
    120 #ifdef DZKBD_LAYOUT
    121 	DZKBD_LAYOUT,
    122 #else
    123 	KB_US | KB_LK401,
    124 #endif
    125 };
    126 
    127 /*
    128  * kbd_match: how is this dz line configured?
    129  */
    130 static int
    131 dzkbd_match(device_t parent, cfdata_t cf, void *aux)
    132 {
    133 	struct dzkm_attach_args *daa = aux;
    134 
    135 	/* Exact match is better than wildcard. */
    136 	if (cf->cf_loc[DZCF_LINE] == daa->daa_line)
    137 		return 2;
    138 
    139 	/* This driver accepts wildcard. */
    140 	if (cf->cf_loc[DZCF_LINE] == DZCF_LINE_DEFAULT)
    141 		return 1;
    142 
    143 	return 0;
    144 }
    145 
    146 static void
    147 dzkbd_attach(device_t parent, device_t self, void *aux)
    148 {
    149 	struct dz_softc *dz = device_private(parent);
    150 	struct dzkbd_softc *dzkbd = device_private(self);
    151 	struct dzkm_attach_args *daa = aux;
    152 	struct dz_linestate *ls;
    153 	struct dzkbd_internal *dzi;
    154 	struct wskbddev_attach_args a;
    155 	int isconsole;
    156 
    157 	dz->sc_dz[daa->daa_line].dz_catch = dzkbd_input;
    158 	dz->sc_dz[daa->daa_line].dz_private = dzkbd;
    159 	ls = &dz->sc_dz[daa->daa_line];
    160 
    161 	isconsole = (daa->daa_flags & DZKBD_CONSOLE);
    162 
    163 	if (isconsole)
    164 		dzi = &dzkbd_console_internal;
    165 	else
    166 		dzi = malloc(sizeof(struct dzkbd_internal), M_DEVBUF, M_WAITOK);
    167 
    168 	dzi->dzi_ks.attmt.sendchar = dzkbd_sendchar;
    169 	dzi->dzi_ks.attmt.cookie = ls;
    170 	dzi->dzi_ls = ls;
    171 	dzkbd->sc_itl = dzi;
    172 
    173 	aprint_normal("\n");
    174 
    175 	DELAY(100000);
    176 	lk201_init(&dzi->dzi_ks);
    177 
    178 	/*
    179 	 * Set the keyboard type according to what lk201_init()
    180 	 * detected.
    181 	 *
    182 	 * XXX: should also do something about the layout, which
    183 	 * presently hardcodes LK401 layout.
    184 	 */
    185 	switch (dzi->dzi_ks.kbdtype) {
    186 	default:
    187 	case KBD_LK201:
    188 		dzkbd->kbd_type = WSKBD_TYPE_LK201;
    189 		break;
    190 
    191 	case KBD_LK401:
    192 		dzkbd->kbd_type = WSKBD_TYPE_LK401;
    193 		break;
    194 	}
    195 
    196 	dzkbd->sc_enabled = 1;
    197 
    198 	a.console = isconsole;
    199 	a.keymap = &dzkbd_keymapdata;
    200 	a.accessops = &dzkbd_accessops;
    201 	a.accesscookie = dzkbd;
    202 
    203 	dzkbd->sc_wskbddev = config_found(self, &a, wskbddevprint, CFARGS_NONE);
    204 }
    205 
    206 int
    207 dzkbd_cnattach(struct dz_linestate *ls)
    208 {
    209 
    210 	dzkbd_console_internal.dzi_ks.attmt.sendchar = dzkbd_sendchar;
    211 	dzkbd_console_internal.dzi_ks.attmt.cookie = ls;
    212 	lk201_init(&dzkbd_console_internal.dzi_ks);
    213 	dzkbd_console_internal.dzi_ls = ls;
    214 
    215 	wskbd_cnattach(&dzkbd_consops, &dzkbd_console_internal,
    216 		       &dzkbd_keymapdata);
    217 
    218 	return 0;
    219 }
    220 
    221 static int
    222 dzkbd_enable(void *v, int on)
    223 {
    224 	struct dzkbd_softc *sc = v;
    225 
    226 	sc->sc_enabled = on;
    227 	return 0;
    228 }
    229 
    230 static int
    231 dzkbd_sendchar(void *v, u_char c)
    232 {
    233 	struct dz_linestate *ls = v;
    234 	int s;
    235 
    236 	s = spltty();
    237 	dzputc(ls, c);
    238 	splx(s);
    239 	return (0);
    240 }
    241 
    242 static void
    243 dzkbd_cngetc(void *v, u_int *type, int *data)
    244 {
    245 	struct dzkbd_internal *dzi = v;
    246 	int c;
    247 
    248 	do {
    249 		c = dzgetc(dzi->dzi_ls);
    250 	} while (lk201_decode(&dzi->dzi_ks, 0, c, type, data) == LKD_NODATA);
    251 }
    252 
    253 static void
    254 dzkbd_cnpollc(void *v, int on)
    255 {
    256 #if 0
    257 	struct dzkbd_internal *dzi = v;
    258 #endif
    259 }
    260 
    261 static void
    262 dzkbd_set_leds(void *v, int leds)
    263 {
    264 	struct dzkbd_softc *sc = (struct dzkbd_softc *)v;
    265 
    266 //printf("dzkbd_set_leds\n");
    267 	lk201_set_leds(&sc->sc_itl->dzi_ks, leds);
    268 }
    269 
    270 static int
    271 dzkbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
    272 {
    273 	struct dzkbd_softc *sc = (struct dzkbd_softc *)v;
    274 
    275 	switch (cmd) {
    276 	case WSKBDIO_GTYPE:
    277 		*(int *)data = sc->kbd_type;
    278 		return 0;
    279 	case WSKBDIO_SETLEDS:
    280 		lk201_set_leds(&sc->sc_itl->dzi_ks, *(int *)data);
    281 		return 0;
    282 	case WSKBDIO_GETLEDS:
    283 		/* XXX don't dig in kbd internals */
    284 		*(int *)data = sc->sc_itl->dzi_ks.leds_state;
    285 		return 0;
    286 	case WSKBDIO_COMPLEXBELL:
    287 		lk201_bell(&sc->sc_itl->dzi_ks,
    288 			   (struct wskbd_bell_data *)data);
    289 		return 0;
    290 	case WSKBDIO_SETKEYCLICK:
    291 		lk201_set_keyclick(&sc->sc_itl->dzi_ks, *(int *)data);
    292 		return 0;
    293 	case WSKBDIO_GETKEYCLICK:
    294 		/* XXX don't dig in kbd internals */
    295 		*(int *)data = sc->sc_itl->dzi_ks.kcvol;
    296 		return 0;
    297 	}
    298 	return (EPASSTHROUGH);
    299 }
    300 
    301 static int
    302 dzkbd_input(void *v, int data)
    303 {
    304 	struct dzkbd_softc *sc = (struct dzkbd_softc *)v;
    305 	u_int type;
    306 	int val;
    307 	int decode;
    308 
    309 	do {
    310 		decode = lk201_decode(&sc->sc_itl->dzi_ks, 1,
    311 		    data, &type, &val);
    312 		if (decode != LKD_NODATA)
    313 			wskbd_input(sc->sc_wskbddev, type, val);
    314 	} while (decode == LKD_MORE);
    315 
    316 	return(1);
    317 }
    318