/*      $NetBSD: dzkbd.c,v 1.35 2025/04/06 03:36:13 riastradh Exp $     */

/*
* Copyright (c) 1992, 1993
*      The Regents of the University of California.  All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
*      This product includes software developed by the University of
*      California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*      @(#)kbd.c       8.2 (Berkeley) 10/30/93
*/

/*
* LK200/LK400 keyboard attached to line 0 of the DZ*-11
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: dzkbd.c,v 1.35 2025/04/06 03:36:13 riastradh Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/syslog.h>
#include <sys/malloc.h>
#include <sys/intr.h>

#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wskbdvar.h>
#include <dev/wscons/wsksymdef.h>
#include <dev/wscons/wsksymvar.h>
#include <dev/dec/wskbdmap_lk201.h>

#include <sys/bus.h>

#include <dev/dec/dzreg.h>
#include <dev/dec/dzvar.h>
#include <dev/dec/dzkbdvar.h>
#include <dev/dec/lk201reg.h>
#include <dev/dec/lk201var.h>

#include "locators.h"

struct dzkbd_internal {
       struct dz_linestate *dzi_ls;
       struct lk201_state dzi_ks;
};

struct dzkbd_internal dzkbd_console_internal;

struct dzkbd_softc {
       struct dzkbd_internal *sc_itl;

       int sc_enabled;
       int kbd_type;

       device_t sc_wskbddev;
};

static int      dzkbd_input(void *, int);

static int      dzkbd_match(device_t, cfdata_t, void *);
static void     dzkbd_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(dzkbd, sizeof(struct dzkbd_softc),
   dzkbd_match, dzkbd_attach, NULL, NULL);

static int      dzkbd_enable(void *, int);
static void     dzkbd_set_leds(void *, int);
static int      dzkbd_ioctl(void *, u_long, void *, int, struct lwp *);

const struct wskbd_accessops dzkbd_accessops = {
       dzkbd_enable,
       dzkbd_set_leds,
       dzkbd_ioctl,
};

static void     dzkbd_cngetc(void *, u_int *, int *);
static void     dzkbd_cnpollc(void *, int);

const struct wskbd_consops dzkbd_consops = {
       dzkbd_cngetc,
       dzkbd_cnpollc,
};

static int dzkbd_sendchar(void *, u_char);

const struct wskbd_mapdata dzkbd_keymapdata = {
       lkkbd_keydesctab,
#ifdef DZKBD_LAYOUT
       DZKBD_LAYOUT,
#else
       KB_US | KB_LK401,
#endif
};

/*
* kbd_match: how is this dz line configured?
*/
static int
dzkbd_match(device_t parent, cfdata_t cf, void *aux)
{
       struct dzkm_attach_args *daa = aux;

       /* Exact match is better than wildcard. */
       if (cf->cf_loc[DZCF_LINE] == daa->daa_line)
               return 2;

       /* This driver accepts wildcard. */
       if (cf->cf_loc[DZCF_LINE] == DZCF_LINE_DEFAULT)
               return 1;

       return 0;
}

static void
dzkbd_attach(device_t parent, device_t self, void *aux)
{
       struct dz_softc *dz = device_private(parent);
       struct dzkbd_softc *dzkbd = device_private(self);
       struct dzkm_attach_args *daa = aux;
       struct dz_linestate *ls;
       struct dzkbd_internal *dzi;
       struct wskbddev_attach_args a;
       int isconsole;

       dz->sc_dz[daa->daa_line].dz_catch = dzkbd_input;
       dz->sc_dz[daa->daa_line].dz_private = dzkbd;
       ls = &dz->sc_dz[daa->daa_line];

       isconsole = (daa->daa_flags & DZKBD_CONSOLE);

       if (isconsole)
               dzi = &dzkbd_console_internal;
       else
               dzi = malloc(sizeof(struct dzkbd_internal), M_DEVBUF, M_WAITOK);

       dzi->dzi_ks.attmt.sendchar = dzkbd_sendchar;
       dzi->dzi_ks.attmt.cookie = ls;
       dzi->dzi_ls = ls;
       dzkbd->sc_itl = dzi;

       aprint_normal("\n");

       DELAY(100000);
       lk201_init(&dzi->dzi_ks);

       /*
        * Set the keyboard type according to what lk201_init()
        * detected.
        *
        * XXX: should also do something about the layout, which
        * presently hardcodes LK401 layout.
        */
       switch (dzi->dzi_ks.kbdtype) {
       default:
       case KBD_LK201:
               dzkbd->kbd_type = WSKBD_TYPE_LK201;
               break;

       case KBD_LK401:
               dzkbd->kbd_type = WSKBD_TYPE_LK401;
               break;
       }

       dzkbd->sc_enabled = 1;

       a.console = isconsole;
       a.keymap = &dzkbd_keymapdata;
       a.accessops = &dzkbd_accessops;
       a.accesscookie = dzkbd;

       dzkbd->sc_wskbddev = config_found(self, &a, wskbddevprint, CFARGS_NONE);
}

int
dzkbd_cnattach(struct dz_linestate *ls)
{

       dzkbd_console_internal.dzi_ks.attmt.sendchar = dzkbd_sendchar;
       dzkbd_console_internal.dzi_ks.attmt.cookie = ls;
       lk201_init(&dzkbd_console_internal.dzi_ks);
       dzkbd_console_internal.dzi_ls = ls;

       wskbd_cnattach(&dzkbd_consops, &dzkbd_console_internal,
                      &dzkbd_keymapdata);

       return 0;
}

static int
dzkbd_enable(void *v, int on)
{
       struct dzkbd_softc *sc = v;

       sc->sc_enabled = on;
       return 0;
}

static int
dzkbd_sendchar(void *v, u_char c)
{
       struct dz_linestate *ls = v;
       int s;

       s = spltty();
       dzputc(ls, c);
       splx(s);
       return (0);
}

static void
dzkbd_cngetc(void *v, u_int *type, int *data)
{
       struct dzkbd_internal *dzi = v;
       int c;

       do {
               c = dzgetc(dzi->dzi_ls);
       } while (lk201_decode(&dzi->dzi_ks, 0, c, type, data) == LKD_NODATA);
}

static void
dzkbd_cnpollc(void *v, int on)
{
#if 0
       struct dzkbd_internal *dzi = v;
#endif
}

static void
dzkbd_set_leds(void *v, int leds)
{
       struct dzkbd_softc *sc = (struct dzkbd_softc *)v;

//printf("dzkbd_set_leds\n");
       lk201_set_leds(&sc->sc_itl->dzi_ks, leds);
}

static int
dzkbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
{
       struct dzkbd_softc *sc = (struct dzkbd_softc *)v;

       switch (cmd) {
       case WSKBDIO_GTYPE:
               *(int *)data = sc->kbd_type;
               return 0;
       case WSKBDIO_SETLEDS:
               lk201_set_leds(&sc->sc_itl->dzi_ks, *(int *)data);
               return 0;
       case WSKBDIO_GETLEDS:
               /* XXX don't dig in kbd internals */
               *(int *)data = sc->sc_itl->dzi_ks.leds_state;
               return 0;
       case WSKBDIO_COMPLEXBELL:
               lk201_bell(&sc->sc_itl->dzi_ks,
                          (struct wskbd_bell_data *)data);
               return 0;
       case WSKBDIO_SETKEYCLICK:
               lk201_set_keyclick(&sc->sc_itl->dzi_ks, *(int *)data);
               return 0;
       case WSKBDIO_GETKEYCLICK:
               /* XXX don't dig in kbd internals */
               *(int *)data = sc->sc_itl->dzi_ks.kcvol;
               return 0;
       }
       return (EPASSTHROUGH);
}

static int
dzkbd_input(void *v, int data)
{
       struct dzkbd_softc *sc = (struct dzkbd_softc *)v;
       u_int type;
       int val;
       int decode;

       do {
               decode = lk201_decode(&sc->sc_itl->dzi_ks, 1,
                   data, &type, &val);
               if (decode != LKD_NODATA)
                       wskbd_input(sc->sc_wskbddev, type, val);
       } while (decode == LKD_MORE);

       return(1);
}

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