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150 lines
4.1 KiB
Awk
150 lines
4.1 KiB
Awk
#! /usr/bin/awk -f
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# $NetBSD: modelines2c.awk,v 1.4 2006/10/26 23:19:50 bjh21 Exp $
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#
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# Copyright (c) 2006 Itronix Inc.
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# All rights reserved.
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#
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# Written by Garrett D'Amore for Itronix Inc.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. The name of Itronix Inc. may not be used to endorse
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# or promote products derived from this software without specific
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# prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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BEGIN {
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nmodes = 0;
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}
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NR == 1 {
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split($0,v,"$");
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VERSION=v[2];
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printf("/*\t$NetBSD" "$\t*/\n\n");
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printf("/*\n") ;
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printf(" * THIS FILE AUTOMATICALLY GENERATED. DO NOT EDIT.\n");
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printf(" *\n");
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printf(" * generated from:\n");
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printf(" *\t%s\n", VERSION);
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printf(" */\n\n");
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printf("#include <sys/cdefs.h>\n");
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printf("__KERNEL_RCSID(0, \"$NetBSD" "$\");\n\n");
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printf("#include <dev/videomode/videomode.h>\n\n");
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printf("/*\n");
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printf(" * These macros help the modelines below fit on one line.\n");
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printf(" */\n");
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printf("#define HP VID_PHSYNC\n");
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printf("#define HN VID_NHSYNC\n");
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printf("#define VP VID_PVSYNC\n");
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printf("#define VN VID_NVSYNC\n");
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printf("#define I VID_INTERLACE\n");
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printf("#define DS VID_DBLSCAN\n");
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printf("\n");
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printf("#define M(nm,hr,vr,clk,hs,he,ht,vs,ve,vt,f) \\\n");
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printf("\t{ clk, hr, hs, he, ht, vr, vs, ve, vt, f, nm } \n\n");
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printf("const struct videomode videomode_list[] = {\n");
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next
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}
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(/^ModeLine/) {
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dotclock = $3;
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hdisplay = $4;
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hsyncstart = $5;
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hsyncend = $6;
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htotal = $7;
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vdisplay = $8;
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vsyncstart = $9;
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vsyncend = $10;
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vtotal = $11;
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macro = "MODE";
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iflag = "";
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iflags = "";
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hflags = "HP";
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vflags = "VP";
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if ($12 ~ "^-")
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hflags = "HN";
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if ($13 ~ "^-")
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vflags = "VN";
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ifactor=1.0;
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if ($14 ~ "[Ii][Nn][Tt][Ee][Rr][Ll][Aa][Cc][Ee]") {
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iflag = "i";
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iflags = "|I";
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ifactor = 2.0;
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}
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# We truncate the vrefresh figure, but some mode descriptions rely
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# on rounding, so we can't win here. Adding an additional .1
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# compensates to some extent.
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hrefresh= (dotclock * 1000000) / htotal;
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vrefresh= int(((hrefresh * ifactor) / vtotal) + .1);
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modestr = sprintf("%dx%dx%d%s", hdisplay, vdisplay, vrefresh, iflag);
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# printf("/* %dx%d%s refresh %d Hz, hsync %d kHz */\n",
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# hdisplay, vdisplay, iflag, vrefresh, hrefresh/1000);
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printf("M(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,%s),\n",
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modestr,
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hdisplay, vdisplay, dotclock * 1000,
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hsyncstart, hsyncend, htotal,
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vsyncstart, vsyncend, vtotal, hflags "|" vflags iflags);
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modestr = sprintf("%dx%dx%d%s",
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hdisplay/2 , vdisplay/2, vrefresh, iflag);
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dmodes[nmodes]=sprintf("M(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,%s),",
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modestr,
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hdisplay/2, vdisplay/2, dotclock * 1000 / 2,
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hsyncstart/2, hsyncend/2, htotal/2,
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vsyncstart/2, vsyncend/2, vtotal/2,
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hflags "|" vflags "|DS" iflags);
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nmodes = nmodes + 1
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}
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END {
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printf("\n/* Derived Double Scan Modes */\n\n");
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for ( i = 0; i < nmodes; i++ )
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{
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print dmodes[i];
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}
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printf("};\n\n");
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printf("const int videomode_count = %d;\n", nmodes);
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}
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