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Annotation of sys/arch/sgi/dev/wscons_machdep.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: wscons_machdep.c,v 1.4 2006/06/11 21:00:48 matthieu Exp $ */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2001 Aaron Campbell
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            18:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            19:  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
        !            20:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            21:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            22:  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            24:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
        !            25:  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
        !            26:  * THE POSSIBILITY OF SUCH DAMAGE.
        !            27:  */
        !            28:
        !            29: #include <sys/param.h>
        !            30: #include <sys/systm.h>
        !            31: #include <sys/kernel.h>
        !            32: #include <sys/conf.h>
        !            33: #include <sys/device.h>
        !            34: #include <sys/extent.h>
        !            35:
        !            36: #include <machine/autoconf.h>
        !            37: #include <machine/bus.h>
        !            38:
        !            39: #include <dev/cons.h>
        !            40: #include <dev/ic/mc6845reg.h>
        !            41: #include <dev/ic/pcdisplayvar.h>
        !            42: #include <dev/ic/vgareg.h>
        !            43: #include <dev/ic/vgavar.h>
        !            44:
        !            45: #include "wsdisplay.h"
        !            46: #if NWSDISPLAY > 0
        !            47: #include <dev/wscons/wsdisplayvar.h>
        !            48: #endif
        !            49: #include <dev/wscons/wskbdvar.h>
        !            50: #include <dev/wscons/wsconsio.h>
        !            51: #include <dev/usb/ukbdvar.h>
        !            52:
        !            53: cons_decl(ws);
        !            54:
        !            55: void
        !            56: wscnprobe(struct consdev *cp)
        !            57: {
        !            58:        int maj;
        !            59:
        !            60:        /* locate the major number */
        !            61:        for (maj = 0; maj < nchrdev; maj++) {
        !            62:                if (cdevsw[maj].d_open == wsdisplayopen)
        !            63:                        break;
        !            64:        }
        !            65:
        !            66:        if (maj == nchrdev) {
        !            67:                /* we are not in cdevsw[], give up */
        !            68:                panic("wsdisplay is not in cdevsw[]");
        !            69:        }
        !            70:
        !            71:        cp->cn_dev = makedev(maj, 0);
        !            72:        cp->cn_pri = CN_INTERNAL;
        !            73:        cp->cn_pri = CN_REMOTE;
        !            74: }
        !            75:
        !            76: void
        !            77: wscninit(struct consdev *cp)
        !            78: {
        !            79: static int initted;
        !            80:
        !            81:        if (initted)
        !            82:                return;
        !            83:
        !            84:        initted = 1;
        !            85:
        !            86:        if (!vga_cnattach(&sys_config.pci_io[0], &sys_config.pci_mem[0],
        !            87:            WSDISPLAY_TYPE_PCIVGA, 1)) {
        !            88:                ukbd_cnattach();
        !            89:        }
        !            90:        return;
        !            91: }
        !            92:
        !            93: void
        !            94: wscnputc(dev_t dev, int i)
        !            95: {
        !            96:        wsdisplay_cnputc(dev, i);
        !            97: }
        !            98:
        !            99: int
        !           100: wscngetc(dev_t dev)
        !           101: {
        !           102:        int c;
        !           103:
        !           104:        wskbd_cnpollc(dev, 1);
        !           105:        c = wskbd_cngetc(dev);
        !           106:        wskbd_cnpollc(dev, 0);
        !           107:
        !           108:        return c;
        !           109: }
        !           110:
        !           111: void
        !           112: wscnpollc(dev_t dev, int on)
        !           113: {
        !           114:        wskbd_cnpollc(dev, on);
        !           115: }