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Annotation of sys/arch/mac68k/dev/akbd_machdep.c, Revision 1.1.1.1

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: }