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|
/*
* Linux Frame Buffer Device Configuration
*
* © Copyright 1995-1998 by Geert Uytterhoeven
* (Geert.Uytterhoeven@cs.kuleuven.ac.be)
*
* --------------------------------------------------------------------------
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of the Linux
* distribution for more details.
*/
%{
#define YYSTYPE long
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "fb.h"
#include "fbset.h"
extern int yylex(void);
extern void yyerror(const char *s);
extern int line;
static struct VideoMode VideoMode;
static void ClearVideoMode(void)
{
memset(&VideoMode, 0, sizeof(VideoMode));
VideoMode.accel_flags = FB_ACCELF_TEXT;
}
%}
%start file
%token MODE GEOMETRY TIMINGS HSYNC VSYNC CSYNC GSYNC EXTSYNC BCAST LACED DOUBLE
RGBA NONSTD ACCEL GRAYSCALE
ENDMODE POLARITY BOOLEAN STRING NUMBER
%%
file : vmodes
;
vmodes : /* empty */
| vmodes vmode
;
vmode : MODE STRING geometry timings options ENDMODE
{
VideoMode.name = (const char *)$2;
AddVideoMode(&VideoMode);
ClearVideoMode();
}
;
geometry : GEOMETRY NUMBER NUMBER NUMBER NUMBER NUMBER
{
ClearVideoMode();
VideoMode.xres = $2;
VideoMode.yres = $3;
VideoMode.vxres = $4;
VideoMode.vyres = $5;
VideoMode.depth = $6;
}
;
timings : TIMINGS NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER
{
VideoMode.pixclock = $2;
VideoMode.left = $3;
VideoMode.right = $4;
VideoMode.upper = $5;
VideoMode.lower = $6;
VideoMode.hslen = $7;
VideoMode.vslen = $8;
}
;
options : /* empty */
| options hsync
| options vsync
| options csync
| options gsync
| options extsync
| options bcast
| options laced
| options double
| options rgba
| options nonstd
| options accel
| options grayscale
;
hsync : HSYNC POLARITY
{
VideoMode.hsync = $2;
}
;
vsync : VSYNC POLARITY
{
VideoMode.vsync = $2;
}
;
csync : CSYNC POLARITY
{
VideoMode.csync = $2;
}
;
gsync : GSYNC POLARITY
{
VideoMode.gsync = $2;
}
;
extsync : EXTSYNC BOOLEAN
{
VideoMode.extsync = $2;
}
;
bcast : BCAST BOOLEAN
{
VideoMode.bcast = $2;
}
;
laced : LACED BOOLEAN
{
VideoMode.laced = $2;
}
;
double : DOUBLE BOOLEAN
{
VideoMode.dblscan = $2;
}
;
rgba : RGBA STRING
{
makeRGBA(&VideoMode, (const char*)$2);
}
;
nonstd : NONSTD NUMBER
{
VideoMode.nonstd = $2;
}
;
accel : ACCEL BOOLEAN
{
VideoMode.accel_flags = $2;
}
;
grayscale : GRAYSCALE BOOLEAN
{
VideoMode.grayscale = $2;
}
;
%%
|
