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Annotation of sys/arch/mac68k/dev/akbd_machdep.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: akbd_machdep.c,v 1.2 2006/01/20 00:10:09 miod Exp $   */
        !             2: /*     $NetBSD: akbd.c,v 1.17 2005/01/15 16:00:59 chs Exp $    */
        !             3:
        !             4: /*
        !             5:  * Copyright (C) 1998  Colin Wood
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. All advertising materials mentioning features or use of this software
        !            17:  *    must display the following acknowledgement:
        !            18:  *     This product includes software developed by Colin Wood.
        !            19:  * 4. The name of the author may not be used to endorse or promote products
        !            20:  *    derived from this software without specific prior written permission.
        !            21:  *
        !            22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
        !            31:  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            32:  */
        !            33:
        !            34: #include <sys/param.h>
        !            35: #include <sys/timeout.h>
        !            36: #include <sys/kernel.h>
        !            37: #include <sys/device.h>
        !            38: #include <sys/fcntl.h>
        !            39: #include <sys/poll.h>
        !            40: #include <sys/selinfo.h>
        !            41: #include <sys/proc.h>
        !            42: #include <sys/signalvar.h>
        !            43: #include <sys/systm.h>
        !            44:
        !            45: #include <dev/wscons/wsconsio.h>
        !            46: #include <dev/wscons/wskbdvar.h>
        !            47:
        !            48: #include <machine/cpu.h>
        !            49: #include <machine/viareg.h>
        !            50:
        !            51: #include <dev/adb/adb.h>
        !            52: #include <dev/adb/akbdvar.h>
        !            53: #include <dev/adb/keyboard.h>
        !            54:
        !            55: void   akbd_cnbell(void *, u_int, u_int, u_int);
        !            56: void   akbd_cngetc(void *, u_int *, int *);
        !            57: void   akbd_cnpollc(void *, int);
        !            58:
        !            59: struct wskbd_consops akbd_consops = {
        !            60:        akbd_cngetc,
        !            61:        akbd_cnpollc,
        !            62:        akbd_cnbell
        !            63: };
        !            64:
        !            65: int
        !            66: akbd_is_console(void)
        !            67: {
        !            68:        return ((mac68k_machine.serial_console & 0x03) == 0);
        !            69: }
        !            70:
        !            71: int
        !            72: akbd_cnattach(void)
        !            73: {
        !            74:        wskbd_cnattach(&akbd_consops, NULL, &akbd_keymapdata);
        !            75:        return 0;
        !            76: }
        !            77:
        !            78: void
        !            79: akbd_cngetc(void *v, u_int *type, int *data)
        !            80: {
        !            81:        int intbits, key, press, val;
        !            82:        int s;
        !            83:        extern int adb_intr(void *);
        !            84:        extern void pm_intr(void *);
        !            85:
        !            86:        s = splhigh();
        !            87:
        !            88:        adb_polledkey = -1;
        !            89:        adb_polling = 1;
        !            90:
        !            91:        while (adb_polledkey == -1) {
        !            92:                intbits = via_reg(VIA1, vIFR);
        !            93:
        !            94:                if (intbits & V1IF_ADBRDY) {
        !            95:                        adb_intr(NULL);
        !            96:                        via_reg(VIA1, vIFR) = V1IF_ADBRDY;
        !            97:                }
        !            98:                if (intbits & V1IF_ADBCLK) {
        !            99:                        pm_intr(NULL);
        !           100:                        via_reg(VIA1, vIFR) = 0x10;
        !           101:                }
        !           102:        }
        !           103:
        !           104:        adb_polling = 0;
        !           105:        splx(s);
        !           106:
        !           107:        key = adb_polledkey;
        !           108:        press = ADBK_PRESS(key);
        !           109:        val = ADBK_KEYVAL(key);
        !           110:
        !           111:        *data = val;
        !           112:        *type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
        !           113: }
        !           114:
        !           115: void
        !           116: akbd_cnpollc(void *v, int on)
        !           117: {
        !           118: }
        !           119:
        !           120: void
        !           121: akbd_cnbell(void *v, u_int pitch, u_int period, u_int volume)
        !           122: {
        !           123:        mac68k_ring_bell(pitch, period * hz / 1000, volume);
        !           124: }