xref: /src/sys/arch/dreamcast/dev/maple/mkbd.c

/*	$NetBSD: mkbd.c,v 1.5 2001/02/02 03:09:16 thorpej Exp $	*/

/*-
 * Copyright (c) 2001 Marcus Comstedt
 * All rights reserved.
 *
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Marcus Comstedt.
 * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 */

#include <sys/param.h>
#include <sys/device.h>
#include <sys/fcntl.h>
#include <sys/poll.h>
#include <sys/select.h>
#include <sys/proc.h>
#include <sys/signalvar.h>
#include <sys/systm.h>

#include "wskbd.h"

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

#include <machine/cpu.h>
#include <machine/bus.h>

#include <dreamcast/dev/maple/maple.h>
#include <dreamcast/dev/maple/mapleconf.h>
#include <dreamcast/dev/maple/mkbdvar.h>
#include <dreamcast/dev/maple/mkbdmap.h>


/*
 * Function declarations.
 */
static int	mkbdmatch __P((struct device *, struct cfdata *, void *));
static void	mkbdattach __P((struct device *, struct device *, void *));

int mkbd_enable __P((void *, int));
void mkbd_set_leds __P((void *, int));
int mkbd_ioctl __P((void *, u_long, caddr_t, int, struct proc *));

struct wskbd_accessops mkbd_accessops = {
	mkbd_enable,
	mkbd_set_leds,
	mkbd_ioctl,
};

static void	mkbd_intr __P((struct mkbd_softc *, struct mkbd_condition *, int));

void mkbd_cngetc __P((void *, u_int *, int *));
void mkbd_cnpollc __P((void *, int));
int mkbd_cnattach __P((void));

struct wskbd_consops mkbd_consops = {
	mkbd_cngetc,
	mkbd_cnpollc,
};

struct wskbd_mapdata mkbd_keymapdata = {
	mkbd_keydesctab,
	KB_JP,
};

static struct mkbd_softc *mkbd_console_softc = NULL;

/* Driver definition. */
struct cfattach mkbd_ca = {
	sizeof(struct mkbd_softc), mkbdmatch, mkbdattach
};

static int
mkbdmatch(parent, cf, aux)
	struct device *parent;
	struct cfdata *cf;
	void   *aux;
{
	struct maple_attach_args *ma = aux;

	return (ma->ma_devinfo->di_func & MAPLE_FUNC_KEYBOARD) != 0;
}

static void
mkbdattach(parent, self, aux)
	struct device *parent, *self;
	void   *aux;
{
	struct mkbd_softc *sc = (struct mkbd_softc *)self;
	struct maple_attach_args *ma = aux;
#if NWSKBD > 0
	struct wskbddev_attach_args a;
	static int mkbd_console_initted = 0;
#endif
	u_int32_t kbdtype;

	sc->sc_parent = parent;
	sc->sc_port = ma->ma_port;
	sc->sc_subunit = ma->ma_subunit;

	kbdtype = maple_get_function_data(ma->ma_devinfo,
	    MAPLE_FUNC_KEYBOARD) >> 24;
	switch(kbdtype) {
 	case 1:
 		printf(": Japanese keyboard");
		mkbd_keymapdata.layout = KB_JP;
 		break;
	case 2:
		printf(": US keyboard");
		mkbd_keymapdata.layout = KB_US;
		break;
	case 3:
		printf(": European keyboard");
		mkbd_keymapdata.layout = KB_UK;
		break;
	default:
		printf(": Unknown keyboard %d", kbdtype);
	}
	printf("\n");

#if NWSKBD > 0
	a.console = (++mkbd_console_initted == 1);
	a.keymap = &mkbd_keymapdata;
	a.accessops = &mkbd_accessops;
	a.accesscookie = sc;
	if (a.console)
	  mkbd_console_softc = sc;
	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
#endif

	maple_set_condition_callback(parent, sc->sc_port, sc->sc_subunit,
				     MAPLE_FUNC_KEYBOARD,
				     (void (*)(void *, void *, int))mkbd_intr,
				     sc);
}



int
mkbd_enable(v, on)
	void *v;
	int on;
{
	return 0;
}

void
mkbd_set_leds(v, on)
	void *v;
	int on;
{
}

int
mkbd_ioctl(v, cmd, data, flag, p)
	void *v;
	u_long cmd;
	caddr_t data;
	int flag;
	struct proc *p;
{
	switch (cmd) {

	case WSKBDIO_GTYPE:
		*(int *)data = 0;		/* XXX */
		return 0;
	case WSKBDIO_SETLEDS:
		return 0;
	case WSKBDIO_GETLEDS:
		*(int *)data = 0;
		return 0;
	case WSKBDIO_BELL:
	case WSKBDIO_COMPLEXBELL:
		return 0;
	}

	return -1;
}


int
mkbd_cnattach()
{
	wskbd_cnattach(&mkbd_consops, NULL, &mkbd_keymapdata);

	return 0;
}

static int polledkey;
extern int maple_polling;

#define SHIFT_KEYCODE_BASE 0x100
#define UP_KEYCODE_FLAG 0x1000

#define KEY_UP(n) \
	if (maple_polling) \
	  polledkey = (n)|UP_KEYCODE_FLAG; \
	else \
	  wskbd_input(sc->sc_wskbddev, WSCONS_EVENT_KEY_UP, (n))

#define KEY_DOWN(n) \
	if (maple_polling) \
	  polledkey = (n); \
	else \
	  wskbd_input(sc->sc_wskbddev, WSCONS_EVENT_KEY_DOWN, (n))

#define SHIFT_UP(n) KEY_UP((n)|SHIFT_KEYCODE_BASE)
#define SHIFT_DOWN(n) KEY_DOWN((n)|SHIFT_KEYCODE_BASE)

static void
mkbd_intr(sc, kbddata, sz)
	struct mkbd_softc *sc;
	struct mkbd_condition *kbddata;
	int sz;
{
	if (sz >= sizeof(struct mkbd_condition)) {
	  int i, j, v;

	  v = sc->sc_condition.shift & ~kbddata->shift;
	  if (v)
	    for (i=0; i<8; i++)
	      if (v & (1<<i))
		SHIFT_UP(i);

	  v = kbddata->shift & ~sc->sc_condition.shift;
	  if (v)
	    for (i=0; i<8; i++)
	      if (v & (1<<i))
		SHIFT_DOWN(i);

	  for (i=0, j=0; i<6; i++)
	    if (sc->sc_condition.key[i] < 4)
	      break;
	    else if(sc->sc_condition.key[i] == kbddata->key[j])
	      j++;
	    else
	      KEY_UP(sc->sc_condition.key[i]);

	  for (; j<6; j++)
	    if (kbddata->key[j] < 4)
	      break;
	    else
	      KEY_DOWN(kbddata->key[j]);

	  bcopy(kbddata, &sc->sc_condition, sizeof(struct mkbd_condition));
	}
}

void
mkbd_cngetc(v, type, data)
	void *v;
	u_int *type;
	int *data;
{
	int key;

	polledkey = -1;
	maple_polling = 1;
	while (polledkey == -1)
	  if (mkbd_console_softc != NULL ||
	      mkbd_console_softc->sc_parent != NULL) {
	    int t;
	    for(t=0; t<1000000; t++);
	    maple_run_polling(mkbd_console_softc->sc_parent);
	  }
	maple_polling = 0;
	key = polledkey;

	*data = key & ~UP_KEYCODE_FLAG;
	*type = (key & UP_KEYCODE_FLAG)?
	  WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
}

void
mkbd_cnpollc(v, on)
	void *v;
	int on;
{
}