/*      $NetBSD: qvkbd.c,v 1.6 2022/02/12 17:09:43 riastradh Exp $      */

/* Copyright (c) 2015 Charles H. Dickman. All rights reserved.
* Derived from dzkbd.c
*
* 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 QVSS aux port
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$$");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/syslog.h>
#include <sys/kmem.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 <vax/uba/qvareg.h>
#include <vax/uba/qvavar.h>
#include <vax/uba/qvkbdvar.h>
#include <dev/dec/lk201reg.h>
#include <dev/dec/lk201var.h>

#include "locators.h"

struct qvkbd_internal {
       struct qvaux_linestate *qvi_ls;
       struct lk201_state qvi_ks;
};

struct qvkbd_internal qvkbd_console_internal;

struct qvkbd_softc {
       struct qvkbd_internal *sc_itl;

       int sc_enabled;
       int kbd_type;

       device_t sc_wskbddev;
};

static int      qvkbd_input(void *, int);

static int      qvkbd_match(device_t, cfdata_t, void *);
static void     qvkbd_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(qvkbd, sizeof(struct qvkbd_softc),
   qvkbd_match, qvkbd_attach, NULL, NULL);

static int      qvkbd_enable(void *, int);
static void     qvkbd_set_leds(void *, int);
static int      qvkbd_ioctl(void *, u_long, void *, int, struct lwp *);

const struct wskbd_accessops qvkbd_accessops = {
       qvkbd_enable,
       qvkbd_set_leds,
       qvkbd_ioctl,
};

static void     qvkbd_cngetc(void *, u_int *, int *);
static void     qvkbd_cnpollc(void *, int);
int             qvkbd_cnattach(struct qvaux_linestate *);

const struct wskbd_consops qvkbd_consops = {
       qvkbd_cngetc,
       qvkbd_cnpollc,
};

static int qvkbd_sendchar(void *, u_char);

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

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

       /* Exact match is better than wildcard. */
       if (cf->cf_loc[QVAUXCF_LINE] == daa->daa_line) {
               //printf("qvkbd_match: return 2\n");
               return 2;
       }
       /* This driver accepts wildcard. */
       if (cf->cf_loc[QVAUXCF_LINE] == QVAUXCF_LINE_DEFAULT) {
               //printf("qvkbd_match: return 1\n");
               return 1;
      }
       //printf("qvkbd_match: return 0\n");
       return 0;
}

static void
qvkbd_attach(device_t parent, device_t self, void *aux)
{
       struct qvaux_softc *qvaux = device_private(parent);
       struct qvkbd_softc *qvkbd = device_private(self);
       struct qvauxkm_attach_args *daa = aux;
       struct qvaux_linestate *ls;
       struct qvkbd_internal *qvi;
       struct wskbddev_attach_args a;
       int isconsole;

       qvaux->sc_qvaux[daa->daa_line].qvaux_catch = qvkbd_input;
       qvaux->sc_qvaux[daa->daa_line].qvaux_private = qvkbd;
       ls = &qvaux->sc_qvaux[daa->daa_line];

       isconsole = (daa->daa_flags & QVAUXKBD_CONSOLE);

       if (isconsole) {
               qvi = &qvkbd_console_internal;
       } else {
               qvi = kmem_alloc(sizeof(struct qvkbd_internal), KM_SLEEP);
               qvi->qvi_ks.attmt.sendchar = qvkbd_sendchar;
               qvi->qvi_ks.attmt.cookie = ls;
       }
       qvi->qvi_ls = ls;
       qvkbd->sc_itl = qvi;

       printf("\n");

       if (!isconsole) {
               DELAY(100000);
               lk201_init(&qvi->qvi_ks);
       }

       /* XXX should identify keyboard ID here XXX */
       /* XXX layout and the number of LED is varying XXX */
       /* XXX ID done during kb init XXX */

       // qvkbd->kbd_type = WSKBD_TYPE_LK201;

       qvkbd->sc_enabled = 1;

       a.console = isconsole;
       a.keymap = &qvkbd_keymapdata;
       a.accessops = &qvkbd_accessops;
       a.accesscookie = qvkbd;

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

int
qvkbd_cnattach(struct qvaux_linestate *ls)
{

       qvkbd_console_internal.qvi_ks.attmt.sendchar = qvkbd_sendchar;
       qvkbd_console_internal.qvi_ks.attmt.cookie = ls;
       lk201_init(&qvkbd_console_internal.qvi_ks);
       qvkbd_console_internal.qvi_ls = ls;

       wskbd_cnattach(&qvkbd_consops, &qvkbd_console_internal,
                      &qvkbd_keymapdata);

       return 0;
}

static int
qvkbd_enable(void *v, int on)
{
       struct qvkbd_softc *sc = v;

       sc->sc_enabled = on;
       return 0;
}

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

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

static void
qvkbd_cngetc(void *v, u_int *type, int *data)
{
       struct qvkbd_internal *qvi = v;
       int c;

       do {
               c = qvauxgetc(qvi->qvi_ls);
       } while (!lk201_decode(&qvi->qvi_ks, 0, c, type, data));
}

static void
qvkbd_cnpollc(void *v, int on)
{
#if 0
       struct qvkbd_internal *qvi = v;
#endif
}

static void
qvkbd_set_leds(void *v, int leds)
{
       struct qvkbd_softc *sc = (struct qvkbd_softc *)v;

       lk201_set_leds(&sc->sc_itl->qvi_ks, leds);
}

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

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

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

       do {
               decode = lk201_decode(&sc->sc_itl->qvi_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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