Importing sys/dev/videomode
NetBSD provides an in-kernel EDID parser, validator, and printer along with other useful functions. This code will be re-used by the Minix fb driver as it is a complete and well tested implementation. Change-Id: I46fe3005d9957cd90d4972030ddcce7bc3bd7924
This commit is contained in:
Thomas Cort
committed by
Gerrit Code Review
Gerrit Code Review
parent
6405d78182
commit
bdf33c702a
149
sys/dev/videomode/modelines2c.awk
Normal file
149
sys/dev/videomode/modelines2c.awk
Normal file
@@ -0,0 +1,149 @@
|
||||
#! /usr/bin/awk -f
|
||||
# $NetBSD: modelines2c.awk,v 1.5 2011/03/21 19:32:26 jdc Exp $
|
||||
#
|
||||
# Copyright (c) 2006 Itronix Inc.
|
||||
# All rights reserved.
|
||||
#
|
||||
# Written by Garrett D'Amore for Itronix Inc.
|
||||
#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
# modification, are permitted provided that the following conditions
|
||||
# are met:
|
||||
# 1. Redistributions of source code must retain the above copyright
|
||||
# notice, this list of conditions and the following disclaimer.
|
||||
# 2. Redistributions in binary form must reproduce the above copyright
|
||||
# notice, this list of conditions and the following disclaimer in the
|
||||
# documentation and/or other materials provided with the distribution.
|
||||
# 3. The name of Itronix Inc. may not be used to endorse
|
||||
# or promote products derived from this software without specific
|
||||
# prior written permission.
|
||||
#
|
||||
# THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
|
||||
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
|
||||
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||
# ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
# POSSIBILITY OF SUCH DAMAGE.
|
||||
#
|
||||
|
||||
BEGIN {
|
||||
nmodes = 0;
|
||||
}
|
||||
|
||||
NR == 1 {
|
||||
split($0,v,"$");
|
||||
|
||||
VERSION=v[2];
|
||||
|
||||
printf("/*\t$NetBSD" "$\t*/\n\n");
|
||||
printf("/*\n") ;
|
||||
printf(" * THIS FILE AUTOMATICALLY GENERATED. DO NOT EDIT.\n");
|
||||
printf(" *\n");
|
||||
printf(" * generated from:\n");
|
||||
printf(" *\t%s\n", VERSION);
|
||||
printf(" */\n\n");
|
||||
|
||||
printf("#include <sys/cdefs.h>\n");
|
||||
printf("__KERNEL_RCSID(0, \"$NetBSD" "$\");\n\n");
|
||||
|
||||
printf("#include <dev/videomode/videomode.h>\n\n");
|
||||
|
||||
printf("/*\n");
|
||||
printf(" * These macros help the modelines below fit on one line.\n");
|
||||
printf(" */\n");
|
||||
printf("#define HP VID_PHSYNC\n");
|
||||
printf("#define HN VID_NHSYNC\n");
|
||||
printf("#define VP VID_PVSYNC\n");
|
||||
printf("#define VN VID_NVSYNC\n");
|
||||
printf("#define I VID_INTERLACE\n");
|
||||
printf("#define DS VID_DBLSCAN\n");
|
||||
printf("\n");
|
||||
|
||||
printf("#define M(nm,hr,vr,clk,hs,he,ht,vs,ve,vt,f) \\\n");
|
||||
printf("\t{ clk, hr, hs, he, ht, vr, vs, ve, vt, f, nm } \n\n");
|
||||
|
||||
printf("const struct videomode videomode_list[] = {\n");
|
||||
|
||||
next
|
||||
}
|
||||
|
||||
(/^ModeLine/) {
|
||||
dotclock = $3;
|
||||
|
||||
hdisplay = $4;
|
||||
hsyncstart = $5;
|
||||
hsyncend = $6;
|
||||
htotal = $7;
|
||||
|
||||
vdisplay = $8;
|
||||
vsyncstart = $9;
|
||||
vsyncend = $10;
|
||||
vtotal = $11;
|
||||
|
||||
macro = "MODE";
|
||||
iflag = "";
|
||||
iflags = "";
|
||||
hflags = "HP";
|
||||
vflags = "VP";
|
||||
|
||||
if ($12 ~ "^-")
|
||||
hflags = "HN";
|
||||
|
||||
if ($13 ~ "^-")
|
||||
vflags = "VN";
|
||||
|
||||
ifactor=1.0;
|
||||
if ($14 ~ "[Ii][Nn][Tt][Ee][Rr][Ll][Aa][Cc][Ee]") {
|
||||
iflag = "i";
|
||||
iflags = "|I";
|
||||
ifactor = 2.0;
|
||||
}
|
||||
|
||||
# We truncate the vrefresh figure, but some mode descriptions rely
|
||||
# on rounding, so we can't win here. Adding an additional .1
|
||||
# compensates to some extent.
|
||||
|
||||
hrefresh= (dotclock * 1000000) / htotal;
|
||||
vrefresh= int(((hrefresh * ifactor) / vtotal) + .1);
|
||||
|
||||
modestr = sprintf("%dx%dx%d%s", hdisplay, vdisplay, vrefresh, iflag);
|
||||
|
||||
# printf("/* %dx%d%s refresh %d Hz, hsync %d kHz */\n",
|
||||
# hdisplay, vdisplay, iflag, vrefresh, hrefresh/1000);
|
||||
printf("M(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,%s),\n",
|
||||
modestr,
|
||||
hdisplay, vdisplay, dotclock * 1000,
|
||||
hsyncstart, hsyncend, htotal,
|
||||
vsyncstart, vsyncend, vtotal, hflags "|" vflags iflags);
|
||||
|
||||
modestr = sprintf("%dx%dx%d%s",
|
||||
hdisplay/2 , vdisplay/2, vrefresh, iflag);
|
||||
|
||||
dmodes[nmodes]=sprintf("M(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,%s),",
|
||||
modestr,
|
||||
hdisplay/2, vdisplay/2, dotclock * 1000 / 2,
|
||||
hsyncstart/2, hsyncend/2, htotal/2,
|
||||
vsyncstart/2, vsyncend/2, vtotal/2,
|
||||
hflags "|" vflags "|DS" iflags);
|
||||
|
||||
nmodes = nmodes + 1
|
||||
|
||||
}
|
||||
|
||||
END {
|
||||
|
||||
printf("\n/* Derived Double Scan Modes */\n\n");
|
||||
|
||||
for ( i = 0; i < nmodes; i++ )
|
||||
{
|
||||
print dmodes[i];
|
||||
}
|
||||
|
||||
printf("};\n\n");
|
||||
printf("const int videomode_count = %d;\n", nmodes);
|
||||
}
|
||||
Reference in New Issue
Block a user