b43b39e4fd
code.
235 lines
5.4 KiB
C
235 lines
5.4 KiB
C
/* $NetBSD: epockbd.c,v 1.2 2013/06/22 13:53:30 kiyohara Exp $ */
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/*
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* Copyright (c) 2013 KIYOHARA Takashi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: epockbd.c,v 1.2 2013/06/22 13:53:30 kiyohara Exp $");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/callout.h>
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#include <sys/device.h>
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#include <sys/errno.h>
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#include <sys/kernel.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wskbdvar.h>
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#include <dev/wscons/wsksymdef.h>
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#include <dev/wscons/wsksymvar.h>
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#include <epoc32/dev/epockbdvar.h>
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#include <epoc32/dev/epockbdmap.h>
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#define EPOCKBD_COLUMN0 8
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#define EPOCKBD_SCAN_READ(sc) \
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bus_space_read_1((sc)->sc_scant, (sc)->sc_scanh, 0)
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#define EPOCKBD_SCAN_WRITE(sc, cmd) \
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bus_space_write_1((sc)->sc_scant, (sc)->sc_scanh, 0, (cmd))
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#define EPOCKBD_DATA_READ(sc) \
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bus_space_read_1((sc)->sc_datat, (sc)->sc_datah, 0)
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#define EPOC2WS_KBD_DATA(r, c) (((c) << 3) + (31 - __builtin_clz(r)) + 1)
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static int epockbd_enable(void *, int);
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static void epockbd_set_leds(void *, int);
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static int epockbd_ioctl(void *, u_long, void *, int, struct lwp *);
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static void epockbd_poll(void *);
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static void epockbd_cngetc(void *, u_int *, int *);
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static void epockbd_cnpollc(void *, int);
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static struct wskbd_consops epockbd_consops = {
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epockbd_cngetc,
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epockbd_cnpollc,
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NULL
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};
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static struct wskbd_accessops epockbd_accessops = {
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epockbd_enable,
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epockbd_set_leds,
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epockbd_ioctl,
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};
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static struct wskbd_mapdata epockbd_mapdata = {
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epockbd_keydesctab,
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KB_UK,
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};
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static int is_console;
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void
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epockbd_attach(struct epockbd_softc *sc)
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{
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struct wskbddev_attach_args aa;
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aprint_normal("\n");
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aprint_naive("\n");
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if (is_console)
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wskbd_cnattach(&epockbd_consops, sc, &epockbd_mapdata);
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callout_init(&sc->sc_c, 0);
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callout_reset(&sc->sc_c, hz, epockbd_poll, sc);
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sc->sc_flags |= EPOCKBD_FLAG_ENABLE;
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aa.console = is_console;
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aa.keymap = &epockbd_mapdata;
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aa.accessops = &epockbd_accessops;
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aa.accesscookie = sc;
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sc->sc_wskbddev = config_found(sc->sc_dev, &aa, wskbddevprint);
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}
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/*
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* wskbd(9) functions
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*/
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static int
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epockbd_enable(void *v, int on)
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{
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struct epockbd_softc *sc = v;
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if (on) {
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sc->sc_flags |= EPOCKBD_FLAG_ENABLE;
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callout_schedule(&sc->sc_c, hz / 20);
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} else {
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sc->sc_flags &= ~EPOCKBD_FLAG_ENABLE;
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callout_stop(&sc->sc_c);
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}
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return 0;
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}
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static void
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epockbd_set_leds(void *v, int on)
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{
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/* Nothing */
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}
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static int
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epockbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
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{
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switch (cmd) {
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case WSKBDIO_GTYPE:
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*(int *)data = WSKBD_TYPE_EPOC;
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return 0;
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case WSKBDIO_SETLEDS:
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return 0;
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case WSKBDIO_GETLEDS:
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*(int *)data = 0;
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return 0;
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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case WSKBDIO_SETMODE:
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*(int *)data == WSKBD_RAW;
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sc->sc_flags |= EPOCKBD_FLAG_RAW;
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/* Not yet...: return 0; */
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#endif
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}
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return EPASSTHROUGH;
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}
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static void
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epockbd_poll(void *v)
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{
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struct epockbd_softc *sc = v;
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u_int type;
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int data;
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epockbd_cngetc(v, &type, &data);
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if (data != 0)
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wskbd_input(sc->sc_wskbddev, type, data);
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callout_schedule(&sc->sc_c, hz / 20);
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}
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void
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epockbd_cnattach(void)
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{
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is_console = 1;
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}
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static void
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epockbd_cngetc(void *conscookie, u_int *type, int *data)
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{
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struct epockbd_softc *sc = conscookie;
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uint8_t cmd, key, mask;
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int column, row;
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#if 1
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/*
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* For some machines which return a strange response, it calculates
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* using this variable.
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*/
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int pc = 0, pr = 0;
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#endif
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*type = 0;
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*data = 0;
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mask = (1 << sc->sc_kbd_nrow) - 1;
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for (column = 0; column < sc->sc_kbd_ncolumn; column++) {
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delay(16);
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cmd = EPOCKBD_SCAN_READ(sc);
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cmd &= ~0xf;
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cmd |= (EPOCKBD_COLUMN0 + column);
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EPOCKBD_SCAN_WRITE(sc, cmd);
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delay(16);
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key = EPOCKBD_DATA_READ(sc) & mask;
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if (sc->sc_state[column] != key) {
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row = sc->sc_state[column] ^ key;
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sc->sc_state[column] = key;
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#if 1
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if (*data == 0 ||
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(row == pr && pc == 0 &&
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column == sc->sc_kbd_ncolumn - 1))
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#else
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if (*data == 0)
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#endif
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{
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if (key & row)
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*type = WSCONS_EVENT_KEY_DOWN;
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else
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*type = WSCONS_EVENT_KEY_UP;
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*data = EPOC2WS_KBD_DATA(row, column);
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#if 1
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pc = column;
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pr = row;
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#endif
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}
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}
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}
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}
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/* ARGSUSED */
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static void
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epockbd_cnpollc(void *conckookie, int on)
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{
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/* Nothing */
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}
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