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    /*	$OpenBSD: display.c,v 1.20 2015/05/08 19:12:51 miod Exp $	*/  | 
    
    
    2  | 
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    /*	$NetBSD: display.c,v 1.1 1998/12/28 14:01:16 hannken Exp $ */  | 
    
    
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    4  | 
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    /*-  | 
    
    
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     * Copyright (c) 1998 The NetBSD Foundation, Inc.  | 
    
    
    6  | 
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     * All rights reserved.  | 
    
    
    7  | 
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     *  | 
    
    
    8  | 
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     * This code is derived from software contributed to The NetBSD Foundation  | 
    
    
    9  | 
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     * by Juergen Hannken-Illjes.  | 
    
    
    10  | 
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     *  | 
    
    
    11  | 
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     * Redistribution and use in source and binary forms, with or without  | 
    
    
    12  | 
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     * modification, are permitted provided that the following conditions  | 
    
    
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     * are met:  | 
    
    
    14  | 
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     * 1. Redistributions of source code must retain the above copyright  | 
    
    
    15  | 
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     *    notice, this list of conditions and the following disclaimer.  | 
    
    
    16  | 
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     * 2. Redistributions in binary form must reproduce the above copyright  | 
    
    
    17  | 
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     *    notice, this list of conditions and the following disclaimer in the  | 
    
    
    18  | 
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     *    documentation and/or other materials provided with the distribution.  | 
    
    
    19  | 
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     *  | 
    
    
    20  | 
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     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS  | 
    
    
    21  | 
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     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED  | 
    
    
    22  | 
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     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR  | 
    
    
    23  | 
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     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS  | 
    
    
    24  | 
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     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR  | 
    
    
    25  | 
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     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF  | 
    
    
    26  | 
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     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  | 
    
    
    27  | 
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     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN  | 
    
    
    28  | 
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     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)  | 
    
    
    29  | 
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     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE  | 
    
    
    30  | 
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     * POSSIBILITY OF SUCH DAMAGE.  | 
    
    
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     */  | 
    
    
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    33  | 
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    #include <sys/ioctl.h>  | 
    
    
    34  | 
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    #include <sys/time.h>  | 
    
    
    35  | 
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    #include <dev/wscons/wsconsio.h>  | 
    
    
    36  | 
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    #include <errno.h>  | 
    
    
    37  | 
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    #include <fcntl.h>  | 
    
    
    38  | 
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    #include <err.h>  | 
    
    
    39  | 
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    #include <stdio.h>  | 
    
    
    40  | 
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    #include <string.h>  | 
    
    
    41  | 
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    #include "wsconsctl.h"  | 
    
    
    42  | 
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    43  | 
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    u_int dpytype;  | 
    
    
    44  | 
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    u_int width, height, depth;  | 
    
    
    45  | 
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    int focus;  | 
    
    
    46  | 
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    struct field_pc brightness, contrast, backlight;  | 
    
    
    47  | 
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    int burnon, burnoff, vblank, kbdact, msact, outact;  | 
    
    
    48  | 
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    char fontname[WSFONT_NAME_SIZE];  | 
    
    
    49  | 
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    struct wsdisplay_emultype emuls;  | 
    
    
    50  | 
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    struct wsdisplay_screentype screens;  | 
    
    
    51  | 
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    52  | 
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    struct field display_field_tab[] = { | 
    
    
    53  | 
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        { "type",		&dpytype,	FMT_DPYTYPE,	FLG_RDONLY }, | 
    
    
    54  | 
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        { "width",		&width,		FMT_UINT,	FLG_RDONLY }, | 
    
    
    55  | 
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        { "height",		&height,	FMT_UINT,	FLG_RDONLY }, | 
    
    
    56  | 
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        { "depth",		&depth,		FMT_UINT,	FLG_RDONLY }, | 
    
    
    57  | 
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        { "emulations",	&emuls,		FMT_EMUL,	FLG_RDONLY }, | 
    
    
    58  | 
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        { "screentypes",	&screens,	FMT_SCREEN,	FLG_RDONLY }, | 
    
    
    59  | 
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        { "focus",		&focus,		FMT_INT,	FLG_NORDBACK }, | 
    
    
    60  | 
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        { "brightness",	&brightness,	FMT_PC,		FLG_MODIFY|FLG_INIT }, | 
    
    
    61  | 
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        { "contrast",	&contrast,	FMT_PC,		FLG_MODIFY|FLG_INIT }, | 
    
    
    62  | 
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        { "backlight",	&backlight,	FMT_PC,		FLG_MODIFY|FLG_INIT }, | 
    
    
    63  | 
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        /* screen burner section, outact MUST BE THE LAST, see the set_values */  | 
    
    
    64  | 
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        { "screen_on",	&burnon,	FMT_UINT,	FLG_MODIFY|FLG_INIT }, | 
    
    
    65  | 
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        { "screen_off",	&burnoff,	FMT_UINT,	FLG_MODIFY|FLG_INIT }, | 
    
    
    66  | 
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        { "vblank",		&vblank,	FMT_BOOL,	FLG_MODIFY|FLG_INIT }, | 
    
    
    67  | 
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        { "kbdact",		&kbdact,	FMT_BOOL,	FLG_MODIFY|FLG_INIT }, | 
    
    
    68  | 
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        { "msact",		&msact,		FMT_BOOL,	FLG_MODIFY|FLG_INIT }, | 
    
    
    69  | 
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        { "outact",		&outact,	FMT_BOOL,	FLG_MODIFY|FLG_INIT }, | 
    
    
    70  | 
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        { "font",		fontname,	FMT_STRING,	FLG_WRONLY }, | 
    
    
    71  | 
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        { NULL } | 
    
    
    72  | 
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    };  | 
    
    
    73  | 
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    74  | 
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    #define	fillioctl(n)	{ cmd = n; cmd_str = #n; } | 
    
    
    75  | 
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    76  | 
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    void  | 
    
    
    77  | 
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    display_get_values(int fd)  | 
    
    
    78  | 
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    { | 
    
    
    79  | 
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    	struct wsdisplay_addscreendata gscr;  | 
    
    
    80  | 
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    	struct wsdisplay_param param;  | 
    
    
    81  | 
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    	struct wsdisplay_burner burners;  | 
    
    
    82  | 
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    	struct wsdisplay_fbinfo fbinfo;  | 
    
    
    83  | 
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    	struct field *pf;  | 
    
    
    84  | 
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    	const char *cmd_str;  | 
    
    
    85  | 
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    	void *ptr;  | 
    
    
    86  | 
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    	unsigned long cmd;  | 
    
    
    87  | 
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    	int bon = 0, fbon = 0;  | 
    
    
    88  | 
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    89  | 
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    	focus = gscr.idx = -1;  | 
    
    
    90  | 
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    	for (pf = display_field_tab; pf->name; pf++) { | 
    
    
    91  | 
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    92  | 
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    		if (!(pf->flags & FLG_GET) || pf->flags & FLG_DEAD)  | 
    
    
    93  | 
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    			continue;  | 
    
    
    94  | 
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    95  | 
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    		ptr = pf->valp;  | 
    
    
    96  | 
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    97  | 
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    		if (ptr == &dpytype) { | 
    
    
    98  | 
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    			fillioctl(WSDISPLAYIO_GTYPE);  | 
    
    
    99  | 
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    		} else if (ptr == &focus) { | 
    
    
    100  | 
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    			fillioctl(WSDISPLAYIO_GETSCREEN);  | 
    
    
    101  | 
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    			ptr = ℊ  | 
    
    
    102  | 
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    		} else if (ptr == &emuls) { | 
    
    
    103  | 
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    			fillioctl(WSDISPLAYIO_GETEMULTYPE);  | 
    
    
    104  | 
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    			emuls.idx=0;  | 
    
    
    105  | 
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    		} else if (ptr == &screens) { | 
    
    
    106  | 
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    			fillioctl(WSDISPLAYIO_GETSCREENTYPE);  | 
    
    
    107  | 
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    			screens.idx=0;  | 
    
    
    108  | 
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    		} else if (ptr == &brightness) { | 
    
    
    109  | 
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    			ptr = ¶m;  | 
    
    
    110  | 
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    			param.param = WSDISPLAYIO_PARAM_BRIGHTNESS;  | 
    
    
    111  | 
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    		} else if (ptr == &contrast) { | 
    
    
    112  | 
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    			ptr = ¶m;  | 
    
    
    113  | 
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    			param.param = WSDISPLAYIO_PARAM_CONTRAST;  | 
    
    
    114  | 
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    		} else if (ptr == &backlight) { | 
    
    
    115  | 
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    			ptr = ¶m;  | 
    
    
    116  | 
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    			param.param = WSDISPLAYIO_PARAM_BACKLIGHT;  | 
    
    
    117  | 
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    		} else if (ptr == &burnon || ptr == &burnoff ||  | 
    
    
    118  | 
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    			   ptr == &vblank || ptr == &kbdact ||  | 
    
    
    119  | 
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    			   ptr == &outact || ptr == &msact) { | 
    
    
    120  | 
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    			fillioctl(WSDISPLAYIO_GBURNER);  | 
    
    
    121  | 
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    			ptr = &burners;  | 
    
    
    122  | 
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    			if (!bon)  | 
    
    
    123  | 
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    				bzero(&burners, sizeof(burners));  | 
    
    
    124  | 
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    		} else if (ptr == &height || ptr == &width ||  | 
    
    
    125  | 
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    			   ptr == &depth) { | 
    
    
    126  | 
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    			fillioctl(WSDISPLAYIO_GINFO);  | 
    
    
    127  | 
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    			ptr = &fbinfo;  | 
    
    
    128  | 
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    			if (!fbon)  | 
    
    
    129  | 
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    				bzero(&fbinfo, sizeof(fbinfo));  | 
    
    
    130  | 
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    		} else  | 
    
    
    131  | 
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    			cmd = 0;  | 
    
    
    132  | 
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    133  | 
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    		if (ptr == ¶m) { | 
    
    
    134  | 
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    			fillioctl(WSDISPLAYIO_GETPARAM);  | 
    
    
    135  | 
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    		}  | 
    
    
    136  | 
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    137  | 
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    		if ((cmd != WSDISPLAYIO_GBURNER && cmd != WSDISPLAYIO_GINFO) ||  | 
    
    
    138  | 
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    		    (cmd == WSDISPLAYIO_GBURNER && !bon) ||  | 
    
    
    139  | 
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    		    (cmd == WSDISPLAYIO_GINFO && !fbon)) { | 
    
    
    140  | 
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    			errno = ENOTTY;  | 
    
    
    141  | 
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    			if (!cmd || ioctl(fd, cmd, ptr) < 0) { | 
    
    
    142  | 
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    				if (errno == ENOTTY) { | 
    
    
    143  | 
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    					pf->flags |= FLG_DEAD;  | 
    
    
    144  | 
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    					continue;  | 
    
    
    145  | 
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    				} else  | 
    
    
    146  | 
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    					warn("%s", cmd_str); | 
    
    
    147  | 
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    			}  | 
    
    
    148  | 
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    		}  | 
    
    
    149  | 
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    150  | 
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    		if (ptr == &burners) { | 
    
    
    151  | 
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    			if (!bon) { | 
    
    
    152  | 
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    				burnon = burners.on;  | 
    
    
    153  | 
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    				burnoff = burners.off;  | 
    
    
    154  | 
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    				vblank = burners.flags & WSDISPLAY_BURN_VBLANK;  | 
    
    
    155  | 
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    				kbdact = burners.flags & WSDISPLAY_BURN_KBD;  | 
    
    
    156  | 
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    				msact = burners.flags & WSDISPLAY_BURN_MOUSE;  | 
    
    
    157  | 
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    				outact = burners.flags & WSDISPLAY_BURN_OUTPUT;  | 
    
    
    158  | 
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    			}  | 
    
    
    159  | 
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    			bon++;  | 
    
    
    160  | 
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    		} else if (ptr == &fbinfo) { | 
    
    
    161  | 
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    			if (!fbon) { | 
    
    
    162  | 
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    				width = fbinfo.width;  | 
    
    
    163  | 
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    				height = fbinfo.height;  | 
    
    
    164  | 
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    				depth = fbinfo.depth;  | 
    
    
    165  | 
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    			}  | 
    
    
    166  | 
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    			fbon++;  | 
    
    
    167  | 
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    		} else if (ptr == &emuls) { | 
    
    
    168  | 
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    			emuls.idx=fd;  | 
    
    
    169  | 
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    		} else if (ptr == &screens) { | 
    
    
    170  | 
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    			screens.idx=fd;  | 
    
    
    171  | 
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    		} else if (ptr == ¶m) { | 
    
    
    172  | 
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    			struct field_pc *pc = pf->valp;  | 
    
    
    173  | 
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    174  | 
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    			pc->min = param.min;  | 
    
    
    175  | 
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    			pc->cur = param.curval;  | 
    
    
    176  | 
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    			pc->max = param.max;  | 
    
    
    177  | 
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    		} else if (ptr == &gscr)  | 
    
    
    178  | 
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    			focus = gscr.idx;  | 
    
    
    179  | 
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    	}  | 
    
    
    180  | 
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    }  | 
    
    
    181  | 
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    182  | 
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    int  | 
    
    
    183  | 
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    display_put_values(int fd)  | 
    
    
    184  | 
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    { | 
    
    
    185  | 
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    	struct wsdisplay_param param;  | 
    
    
    186  | 
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    	struct wsdisplay_burner burners;  | 
    
    
    187  | 
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    	struct wsdisplay_font font;  | 
    
    
    188  | 
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    	struct field *pf;  | 
    
    
    189  | 
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    	const char *cmd_str;  | 
    
    
    190  | 
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    	void *ptr;  | 
    
    
    191  | 
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    	unsigned long cmd;  | 
    
    
    192  | 
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    	int id;  | 
    
    
    193  | 
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    194  | 
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    	for (pf = display_field_tab; pf->name; pf++) { | 
    
    
    195  | 
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    196  | 
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    		if (!(pf->flags & FLG_SET) || pf->flags & FLG_DEAD)  | 
    
    
    197  | 
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    			continue;  | 
    
    
    198  | 
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    199  | 
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    		ptr = pf->valp;  | 
    
    
    200  | 
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    201  | 
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    		if (ptr == &focus) { | 
    
    
    202  | 
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    			fillioctl(WSDISPLAYIO_SETSCREEN);  | 
    
    
    203  | 
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    		} else if (ptr == &brightness) { | 
    
    
    204  | 
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    			ptr = ¶m;  | 
    
    
    205  | 
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    			id = WSDISPLAYIO_PARAM_BRIGHTNESS;  | 
    
    
    206  | 
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    		} else if (ptr == &contrast) { | 
    
    
    207  | 
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    			ptr = ¶m;  | 
    
    
    208  | 
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    			id = WSDISPLAYIO_PARAM_CONTRAST;  | 
    
    
    209  | 
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    		} else if (ptr == &backlight) { | 
    
    
    210  | 
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    			ptr = ¶m;  | 
    
    
    211  | 
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    			id = WSDISPLAYIO_PARAM_BACKLIGHT;  | 
    
    
    212  | 
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    		} else if (ptr == &burnon || ptr == &burnoff ||  | 
    
    
    213  | 
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    			   ptr == &vblank || ptr == &kbdact ||  | 
    
    
    214  | 
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    			   ptr == &outact || ptr == &msact) { | 
    
    
    215  | 
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    216  | 
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    			bzero(&burners, sizeof(burners));  | 
    
    
    217  | 
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    			burners.on = burnon;  | 
    
    
    218  | 
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    			burners.off = burnoff;  | 
    
    
    219  | 
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    			if (vblank)  | 
    
    
    220  | 
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    				burners.flags |= WSDISPLAY_BURN_VBLANK;  | 
    
    
    221  | 
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    			else  | 
    
    
    222  | 
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    				burners.flags &= ~WSDISPLAY_BURN_VBLANK;  | 
    
    
    223  | 
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    			if (kbdact)  | 
    
    
    224  | 
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    				burners.flags |= WSDISPLAY_BURN_KBD;  | 
    
    
    225  | 
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    			else  | 
    
    
    226  | 
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    				burners.flags &= ~WSDISPLAY_BURN_KBD;  | 
    
    
    227  | 
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    			if (msact)  | 
    
    
    228  | 
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    				burners.flags |= WSDISPLAY_BURN_MOUSE;  | 
    
    
    229  | 
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    			else  | 
    
    
    230  | 
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    				burners.flags &= ~WSDISPLAY_BURN_MOUSE;  | 
    
    
    231  | 
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    			if (outact)  | 
    
    
    232  | 
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    				burners.flags |= WSDISPLAY_BURN_OUTPUT;  | 
    
    
    233  | 
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    			else  | 
    
    
    234  | 
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    				burners.flags &= ~WSDISPLAY_BURN_OUTPUT;  | 
    
    
    235  | 
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    236  | 
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    			fillioctl(WSDISPLAYIO_SBURNER);  | 
    
    
    237  | 
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    			ptr = &burners;  | 
    
    
    238  | 
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    		} else if (ptr == fontname) { | 
    
    
    239  | 
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    			bzero(&font, sizeof(font));  | 
    
    
    240  | 
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    			strlcpy(font.name, ptr, sizeof font.name);  | 
    
    
    241  | 
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    			fillioctl(WSDISPLAYIO_USEFONT);  | 
    
    
    242  | 
     | 
     | 
    		} else  | 
    
    
    243  | 
     | 
     | 
    			cmd = 0;  | 
    
    
    244  | 
     | 
     | 
     | 
    
    
    245  | 
     | 
     | 
    		if (ptr == ¶m) { | 
    
    
    246  | 
     | 
     | 
    			struct field_pc *pc = pf->valp;  | 
    
    
    247  | 
     | 
     | 
     | 
    
    
    248  | 
     | 
     | 
    			bzero(¶m, sizeof(param));  | 
    
    
    249  | 
     | 
     | 
    			param.param = id;  | 
    
    
    250  | 
     | 
     | 
    			param.min = pc->min;  | 
    
    
    251  | 
     | 
     | 
    			param.curval = pc->cur;  | 
    
    
    252  | 
     | 
     | 
    			param.max = pc->max;  | 
    
    
    253  | 
     | 
     | 
    			fillioctl(WSDISPLAYIO_SETPARAM);  | 
    
    
    254  | 
     | 
     | 
    		}  | 
    
    
    255  | 
     | 
     | 
     | 
    
    
    256  | 
     | 
     | 
    		errno = ENOTTY;  | 
    
    
    257  | 
     | 
     | 
    		if (!cmd || ioctl(fd, cmd, ptr) < 0) { | 
    
    
    258  | 
     | 
     | 
    			if (errno == ENOTTY) { | 
    
    
    259  | 
     | 
     | 
    				pf->flags |= FLG_DEAD;  | 
    
    
    260  | 
     | 
     | 
    				continue;  | 
    
    
    261  | 
     | 
     | 
    			} else { | 
    
    
    262  | 
     | 
     | 
    				warn("%s", cmd_str); | 
    
    
    263  | 
     | 
     | 
    				return 1;  | 
    
    
    264  | 
     | 
     | 
    			}  | 
    
    
    265  | 
     | 
     | 
    		}  | 
    
    
    266  | 
     | 
     | 
    	}  | 
    
    
    267  | 
     | 
     | 
     | 
    
    
    268  | 
     | 
     | 
    	return 0;  | 
    
    
    269  | 
     | 
     | 
    }  | 
    
    
    270  | 
     | 
     | 
     | 
    
    
    271  | 
     | 
     | 
    char *  | 
    
    
    272  | 
     | 
     | 
    display_next_device(int index)  | 
    
    
    273  | 
     | 
     | 
    { | 
    
    
    274  | 
     | 
     | 
    	static char devname[20];  | 
    
    
    275  | 
     | 
     | 
     | 
    
    
    276  | 
     | 
     | 
    	if (index > 7)  | 
    
    
    277  | 
     | 
     | 
    		return (NULL);  | 
    
    
    278  | 
     | 
     | 
     | 
    
    
    279  | 
     | 
     | 
    	snprintf(devname, sizeof(devname), "/dev/tty%c0", index + 'C');  | 
    
    
    280  | 
     | 
     | 
    	return (devname);  | 
    
    
    281  | 
     | 
     | 
    }  |