diff options
Diffstat (limited to 'usr.sbin/pcvt')
| -rw-r--r-- | usr.sbin/pcvt/Makefile | 4 | ||||
| -rw-r--r-- | usr.sbin/pcvt/set2061/CAUTION | 28 | ||||
| -rw-r--r-- | usr.sbin/pcvt/set2061/ICD2061Aalt.c | 299 | ||||
| -rw-r--r-- | usr.sbin/pcvt/set2061/Makefile | 13 | ||||
| -rw-r--r-- | usr.sbin/pcvt/set2061/README | 22 | ||||
| -rw-r--r-- | usr.sbin/pcvt/set2061/compiler.h | 341 | ||||
| -rw-r--r-- | usr.sbin/pcvt/set2061/main.c | 112 |
7 files changed, 3 insertions, 816 deletions
diff --git a/usr.sbin/pcvt/Makefile b/usr.sbin/pcvt/Makefile index 1a3be34..5d6bd33 100644 --- a/usr.sbin/pcvt/Makefile +++ b/usr.sbin/pcvt/Makefile @@ -1,6 +1,8 @@ +# $FreeBSD$ + SUBDIR= keycap cursor fontedit fonts kcon loadfont scon \ userkeys vttest ispcvt mcon -SUBDIR+= vgaio kbdio set2061 +SUBDIR+= vgaio kbdio SUBDIR+= demo SUBDIR+= Misc diff --git a/usr.sbin/pcvt/set2061/CAUTION b/usr.sbin/pcvt/set2061/CAUTION deleted file mode 100644 index e1eba06..0000000 --- a/usr.sbin/pcvt/set2061/CAUTION +++ /dev/null @@ -1,28 +0,0 @@ -CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION -CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION -CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION - - THE USE OF THIS PROGRAM MAY DESTROY YOUR MONITOR !!! - ==================================================== - - IF YOU DON'T KNOW WHAT YOU ARE DOING, STAY AWAY FROM IT !!! - =========================================================== - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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. - -CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION -CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION -CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION - diff --git a/usr.sbin/pcvt/set2061/ICD2061Aalt.c b/usr.sbin/pcvt/set2061/ICD2061Aalt.c deleted file mode 100644 index c65ebc4..0000000 --- a/usr.sbin/pcvt/set2061/ICD2061Aalt.c +++ /dev/null @@ -1,299 +0,0 @@ -/* - * This code is derived from code available from the STB bulletin board - * - * $FreeBSD$ - */ - -/* $XFree86: mit/server/ddx/x386/common_hw/ICD2061Aalt.c,v 2.6 1994/04/15 05:10:30 dawes Exp $ */ - -#ifndef _KERNEL -#include "compiler.h" -#else -#define GCCUSESGAS -#define PCVT_STANDALONE 1 -#endif - -#define SEQREG 0x03C4 -#define MISCREG 0x03C2 -#define MISCREAD 0x03CC - -double fref = 14.31818 * 2.0; -char ascclk[] = "VIDEO CLOCK ?"; - -unsigned short clknum; -unsigned short vlbus_flag; -unsigned short card; -unsigned short crtcaddr; -unsigned short clockreg; - -static double range[15] = {50.0, 51.0, 53.2, 58.5, 60.7, 64.4, 66.8, 73.5, - 75.6, 80.9, 83.2, 91.5, 100.0, 120.0, 120.0}; - -#ifdef __STDC__ -static double genratio(unsigned int *p, unsigned int *q, double tgt); -static double f(unsigned int p, unsigned int q, double basefreq); -#if 0 -static void prtbinary(unsigned int size, unsigned int val); -#endif -static void wait_vb(); -static void wrt_clk_bit(unsigned int value); -static void init_clock(unsigned long setup, unsigned short crtcport); -#else -static double genratio(); -static double f(); -#if 0 -static void prtbinary(); -#endif -static void wait_vb(); -static void wrt_clk_bit(); -static void init_clock(); -#endif - -void AltICD2061SetClock(frequency, select) -register long frequency; /* in Hz */ -int select; -{ - unsigned int m, mval, ival; - int i; - long dwv; - double realval; - double freq, fvco; - double dev, devx; - double delta, deltax; - unsigned int p, q; - unsigned int bestp, bestq; - unsigned char tmp; - - crtcaddr=(inb(0x3CC) & 0x01) ? 0x3D4 : 0x3B4; - - - outb(crtcaddr, 0x11); /* Unlock CRTC registers */ - tmp = inb(crtcaddr + 1); - outb(crtcaddr + 1, tmp & ~0x80); - - outw(crtcaddr, 0x4838); /* Unlock S3 register set */ - outw(crtcaddr, 0xA039); - - clknum = select; - - freq = ((double)frequency)/1000000.0; - if (freq > range[14]) - freq =range[14]; - else if (freq <= 6.99) - freq = 7.0; - -/* - * Calculate values to load into ICD 2061A clock chip to set frequency - */ - delta = 999.0; - dev = 999.0; - ival = 99; - mval = 99; - - fvco = freq / 2; - for (m = 0; m < 8; m++) { - fvco *= 2.0; - for (i = 14; i >= 0; i--) - if (fvco >= range[i]) - break; - if (i < 0) - continue; - if (i == 14) - break; - devx = (fvco - (range[i] + range[i+1])/2)/fvco; - if (devx < 0) - devx = -devx; - deltax = genratio(&p, &q, fvco); - if (delta < deltax) - continue; - if (deltax < delta || devx < dev) { - bestp = p; - bestq = q; - delta = deltax; - dev = devx; - ival = i; - mval = m; - } - } - fvco = fref; - for (m=0; m<mval; m++) - fvco /= 2.0; - realval = f(bestp, bestq, fvco); - dwv = ((((((long)ival << 7) | bestp) << 3) | mval) << 7) | bestq; - -/* - * Write ICD 2061A clock chip - */ - init_clock(((unsigned long)dwv) | (((long)clknum) << 21), crtcaddr); - - wait_vb(); - wait_vb(); - wait_vb(); - wait_vb(); - wait_vb(); - wait_vb(); - wait_vb(); /* 0.10 second delay... */ -} - -static double f(p, q, base) - unsigned int p; - unsigned int q; - double base; - { - return(base * (p + 3)/(q + 2)); - } - -static double genratio(p, q, tgt) - unsigned int *p; - unsigned int *q; - double tgt; - { - int k, m; - double test, mindiff; - unsigned int mmax; - - mindiff = 999999999.0; - for (k = 13; k < 69; k++) { /* q={15..71}:Constraint 2 on page 14 */ - m = 50.0*k/fref - 3; - if (m < 0) - m = 0; - mmax = 120*k/fref - 3; /* m..mmax is constraint 3 on page 14 */ - if (mmax > 128) - mmax = 128; - while (m < mmax) { - test = f(m, k, fref) - tgt; - if (test < 0) test = -test; - if (mindiff > test) { - mindiff = test; - *p = m; - *q = k; - } - m++; - } - } - return (mindiff); - } - -#if 0 -static void prtbinary(size, val) - unsigned int size; - unsigned int val; - { - unsigned int mask; - int k; - - mask = 1; - - for (k=size; --k > 0 || mask <= val/2;) - mask <<= 1; - - while (mask) { - fputc((mask&val)? '1': '0' , stderr); - mask >>= 1; - } - } -#endif - -static void wait_vb() - { - while ((inb(crtcaddr+6) & 0x08) == 0) - ; - while (inb(crtcaddr+6) & 0x08) - ; - } - - -#ifdef __STDC__ -static void init_clock(unsigned long setup, unsigned short crtcport) -#else -static void init_clock(setup, crtcport) - unsigned long setup; - unsigned short crtcport; -#endif - { - unsigned char nclk[2], clk[2]; - unsigned short restore42; - unsigned short oldclk; - unsigned short bitval; - int i; - unsigned char c; - -#ifndef PCVT_STANDALONE - (void)xf86DisableInterrupts(); -#endif - - oldclk = inb(0x3CC); - - outb(crtcport, 0x42); - restore42 = inb(crtcport+1); - - outw(0x3C4, 0x0100); - - outb(0x3C4, 1); - c = inb(0x3C5); - outb(0x3C5, 0x20 | c); - - outb(crtcport, 0x42); - outb(crtcport+1, 0x03); - - outw(0x3C4, 0x0300); - - nclk[0] = oldclk & 0xF3; - nclk[1] = nclk[0] | 0x08; - clk[0] = nclk[0] | 0x04; - clk[1] = nclk[0] | 0x0C; - - outb(crtcport, 0x42); - i = inw(crtcport); - - outw(0x3C4, 0x0100); - - wrt_clk_bit(oldclk | 0x08); - wrt_clk_bit(oldclk | 0x0C); - for (i=0; i<5; i++) { - wrt_clk_bit(nclk[1]); - wrt_clk_bit(clk[1]); - } - wrt_clk_bit(nclk[1]); - wrt_clk_bit(nclk[0]); - wrt_clk_bit(clk[0]); - wrt_clk_bit(nclk[0]); - wrt_clk_bit(clk[0]); - for (i=0; i<24; i++) { - bitval = setup & 0x01; - setup >>= 1; - wrt_clk_bit(clk[1-bitval]); - wrt_clk_bit(nclk[1-bitval]); - wrt_clk_bit(nclk[bitval]); - wrt_clk_bit(clk[bitval]); - } - wrt_clk_bit(clk[1]); - wrt_clk_bit(nclk[1]); - wrt_clk_bit(clk[1]); - - outb(0x3C4, 1); - c = inb(0x3C5); - outb(0x3C5, 0xDF & c); - - outb(crtcport, 0x42); - outb(crtcport+1, restore42); - - outb(0x3C2, oldclk); - - outw(0x3C4, 0x0300); - -#ifndef PCVT_STANDALONE - xf86EnableInterrupts(); -#endif - - } - -static void wrt_clk_bit(value) - unsigned int value; - { - int j; - - outb(0x3C2, value); - for (j=2; --j; ) - inb(0x200); - } diff --git a/usr.sbin/pcvt/set2061/Makefile b/usr.sbin/pcvt/set2061/Makefile deleted file mode 100644 index 38cc44d..0000000 --- a/usr.sbin/pcvt/set2061/Makefile +++ /dev/null @@ -1,13 +0,0 @@ -PROG= set2061 -SRCS= main.c ICD2061Aalt.c -CFLAGS+= -DGCCUSESGAS -DPCVT_STANDALONE -NOMAN= - -all: $(PROG) - -install: - @${ECHO} "set2061 is not installed automatically ...." - -.include <bsd.prog.mk> - -$(PROG): compiler.h diff --git a/usr.sbin/pcvt/set2061/README b/usr.sbin/pcvt/set2061/README deleted file mode 100644 index 76109f9..0000000 --- a/usr.sbin/pcvt/set2061/README +++ /dev/null @@ -1,22 +0,0 @@ -CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION - - THE USE OF THIS PROGRAM MAY DESTROY YOUR MONITOR !!! - ==================================================== - - IF YOU DON'T KNOW WHAT YOU ARE DOING, STAY AWAY FROM IT !!! - =========================================================== - -Read the file "CAUTION" before proceeding !!! - -The files: - - ICD2061Aalt.c and - compiler.h - -come from the Xfree86 2.1 distribution and have been slightly modified to -fit in a non-XFree environment. - -I use it to program the clock generator ICD2061a on my S3 928 based ELSA -Winner VGA board to 40MHz for clock generator #2: set2061 -n2 -f40000000. - -This enables me to use 132 columns mode on this VGA board. diff --git a/usr.sbin/pcvt/set2061/compiler.h b/usr.sbin/pcvt/set2061/compiler.h deleted file mode 100644 index 57d1cd3..0000000 --- a/usr.sbin/pcvt/set2061/compiler.h +++ /dev/null @@ -1,341 +0,0 @@ -/* $XFree86: mit/server/ddx/x386/common/compiler.h,v 2.3 1993/10/03 14:55:28 dawes Exp $ */ -/* - * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany. - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Thomas Roell not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Thomas Roell makes no representations - * about the suitability of this software for any purpose. It is provided - * "as is" without express or implied warranty. - * - * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL THOMAS ROELL BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - * - * $FreeBSD$ - */ - - -#ifndef _COMPILER_H -#define _COMPILER_H - -#ifndef __STDC__ -# ifdef signed -# undef signed -# endif -# ifdef volatile -# undef volatile -# endif -# ifdef const -# undef const -# endif -# define signed /**/ -# ifdef __GNUC__ -# define volatile __volatile__ -# define const __const__ -# else -# define const /**/ -# endif /* __GNUC__ */ -#endif /* !__STDC__ */ - -#ifdef NO_INLINE - -extern void outb(); -extern void outw(); -extern unsigned int inb(); -extern unsigned int inw(); -#if NeedFunctionPrototypes -extern unsigned char rdinx(unsigned short, unsigned char); -extern void wrinx(unsigned short, unsigned char, unsigned char); -extern void modinx(unsigned short, unsigned char, unsigned char, unsigned char); -extern int testrg(unsigned short, unsigned char); -extern int textinx2(unsigned short, unsigned char, unsigned char); -extern int textinx(unsigned short, unsigned char); -#else /* NeedFunctionProtoypes */ -extern unsigned char rdinx(); -extern void wrinx(); -extern void modinx(); -extern int testrg(); -extern int textinx2(); -extern int textinx(); -#endif /* NeedFunctionProtoypes */ - -#else /* NO_INLINE */ - -#ifdef __GNUC__ - -#ifndef FAKEIT -#ifdef GCCUSESGAS - -/* - * If gcc uses gas rather than the native assembler, the syntax of these - * inlines has to be different. DHD - */ - -static __inline__ void -outb(port, val) -short port; -char val; -{ - __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port)); -} - - -static __inline__ void -outw(port, val) -short port; -short val; -{ - __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port)); -} - -static __inline__ unsigned int -inb(port) -short port; -{ - unsigned char ret; - __asm__ __volatile__("inb %1,%0" : - "=a" (ret) : - "d" (port)); - return ret; -} - -static __inline__ unsigned int -inw(port) -short port; -{ - unsigned short ret; - __asm__ __volatile__("inw %1,%0" : - "=a" (ret) : - "d" (port)); - return ret; -} - -#else /* GCCUSESGAS */ - -static __inline__ void -outb(port, val) - short port; - char val; -{ - __asm__ __volatile__("out%B0 (%1)" : :"a" (val), "d" (port)); -} - -static __inline__ void -outw(port, val) - short port; - short val; -{ - __asm__ __volatile__("out%W0 (%1)" : :"a" (val), "d" (port)); -} - -static __inline__ unsigned int -inb(port) - short port; -{ - unsigned char ret; - __asm__ __volatile__("in%B0 (%1)" : - "=a" (ret) : - "d" (port)); - return ret; -} - -static __inline__ unsigned int -inw(port) - short port; -{ - unsigned short ret; - __asm__ __volatile__("in%W0 (%1)" : - "=a" (ret) : - "d" (port)); - return ret; -} - -#endif /* GCCUSESGAS */ - -#else /* FAKEIT */ - -static __inline__ void -outb(port, val) - short port; - char val; -{ -} - -static __inline__ void -outw(port, val) - short port; - short val; -{ -} - -static __inline__ unsigned int -inb(port) - short port; -{ - return 0; -} - -static __inline__ unsigned int -inw(port) - short port; -{ - return 0; -} - -#endif /* FAKEIT */ - -#else /* __GNUC__ */ -#if !defined(AMOEBA) && !defined(_MINIX) -# if defined(__STDC__) && (__STDC__ == 1) -# define asm __asm -# endif -# ifdef SVR4 -# include <sys/types.h> -# ifndef __USLC__ -# define __USLC__ -# endif -# endif -# include <sys/inline.h> -#endif -#endif - -/* - *----------------------------------------------------------------------- - * Port manipulation convenience functions - *----------------------------------------------------------------------- - */ - -#ifndef __GNUC__ -#define __inline__ /**/ -#endif - -/* - * rdinx - read the indexed byte port 'port', index 'ind', and return its value - */ -static __inline__ unsigned char -#ifdef __STDC__ -rdinx(unsigned short port, unsigned char ind) -#else -rdinx(port, ind) -unsigned short port; -unsigned char ind; -#endif -{ - if (port == 0x3C0) /* reset attribute flip-flop */ - (void) inb(0x3DA); - outb(port, ind); - return(inb(port+1)); -} - -/* - * wrinx - write 'val' to port 'port', index 'ind' - */ -static __inline__ void -#ifdef __STDC__ -wrinx(unsigned short port, unsigned char ind, unsigned char val) -#else -wrinx(port, ind, val) -unsigned short port; -unsigned char ind, val; -#endif -{ - outb(port, ind); - outb(port+1, val); -} - -/* - * modinx - in register 'port', index 'ind', set the bits in 'mask' as in 'new'; - * the other bits are unchanged. - */ -static __inline__ void -#ifdef __STDC__ -modinx(unsigned short port, unsigned char ind, - unsigned char mask, unsigned char new) -#else -modinx(port, ind, mask, new) -unsigned short port; -unsigned char ind, mask, new; -#endif -{ - unsigned char tmp; - - tmp = (rdinx(port, ind) & ~mask) | (new & mask); - wrinx(port, ind, tmp); -} - -/* - * tstrg - returns true iff the bits in 'mask' of register 'port' are - * readable & writable. - */ - -static __inline__ int -#ifdef __STDC__ -testrg(unsigned short port, unsigned char mask) -#else -tstrg(port, mask) -unsigned short port; -unsigned char mask; -#endif -{ - unsigned char old, new1, new2; - - old = inb(port); - outb(port, old & ~mask); - new1 = inb(port) & mask; - outb(port, old | mask); - new2 = inb(port) & mask; - outb(port, old); - return((new1 == 0) && (new2 == mask)); -} - -/* - * testinx2 - returns true iff the bits in 'mask' of register 'port', index - * 'ind' are readable & writable. - */ -static __inline__ int -#ifdef __STDC__ -testinx2(unsigned short port, unsigned char ind, unsigned char mask) -#else -testinx2(port, ind, mask) -unsigned short port; -unsigned char ind, mask; -#endif -{ - unsigned char old, new1, new2; - - old = rdinx(port, ind); - wrinx(port, ind, old & ~mask); - new1 = rdinx(port, ind) & mask; - wrinx(port, ind, old | mask); - new2 = rdinx(port, ind) & mask; - wrinx(port, ind, old); - return((new1 == 0) && (new2 == mask)); -} - -/* - * testinx - returns true iff all bits of register 'port', index 'ind' are - * readable & writable. - */ -static __inline__ int -#ifdef __STDC__ -testinx(unsigned short port, unsigned char ind) -#else -testinx(port, ind, mask) -unsigned short port; -unsigned char ind; -#endif -{ - return(testinx2(port, ind, 0xFF)); -} - -#endif /* NO_INLINE */ -#endif /* _COMPILER_H */ diff --git a/usr.sbin/pcvt/set2061/main.c b/usr.sbin/pcvt/set2061/main.c deleted file mode 100644 index 49862fa..0000000 --- a/usr.sbin/pcvt/set2061/main.c +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Copyright (c) 1994 Hellmuth Michaelis - * - * All rights reserved. - * - * 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by - * Hellmuth Michaelis - * 4. The name authors may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 THE AUTHORS 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. - * - */ - -static char *id = - "@(#)set2061.c, 1.00, Last Edit-Date: [Sun Jan 15 19:52:05 1995]"; - -/*---------------------------------------------------------------------------* - * - * history: - * - * -hm start using 132 columns on my Elsa Winner - * - *---------------------------------------------------------------------------*/ - -#include <stdio.h> -#include <fcntl.h> -#include <machine/pcvt_ioctl.h> - -#define DEFAULTFD 0 - -void AltICD2061SetClock(long frequency, int select); - -main(argc,argv) -int argc; -char *argv[]; -{ - extern int optind; - extern int opterr; - extern char *optarg; - - int fd; - int c; - long freq = -1; - int no = -1; - - while( (c = getopt(argc, argv, "f:n:")) != -1) - { - switch(c) - { - case 'f': - freq = atoi(optarg); - break; - - case 'n': - no = atoi(optarg); - break; - - case '?': - default: - usage(); - break; - } - } - - if(freq == -1 || no == -1) - usage(); - - if((fd = open("/dev/console", O_RDONLY)) < 0) - fd = DEFAULTFD; - - if(ioctl(fd, KDENABIO, 0) < 0) - { - perror("ioctl(KDENABIO)"); - return 1; - } - - AltICD2061SetClock(freq, no); - - (void)ioctl(fd, KDDISABIO, 0); - - exit(0); -} - -usage() -{ - fprintf(stderr,"\nset2061 - program the ICD2061 video clock chip\n"); - fprintf(stderr,"usage: set2061 -f <freq> -n <no>\n"); - fprintf(stderr," -f <freq> frequency in Hz\n"); - fprintf(stderr," -n <no> clock generator number\n"); - exit(1); -} - |
