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Annotation of sys/arch/sgi/dev/wscons_machdep.c, Revision 1.1.1.1

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: }