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/* digiwake.c - Program to set IT87 registers to allow Wake-on-CIR
* (consumer infra-red remote) for the ASUS Digimatrix
*
* (C) Copyright 2006 Ben Potter <linux@bpuk.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License Version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <sys/io.h>
#include <unistd.h>
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <getopt.h>
#include <errno.h>
#include <getopt.h>
#include "digiwake.h"
#include "it8705.h"
#include "digitools.h"
static struct option digiwake_longopts[] = {
{ "read", 0, 0, 'r' },
{ "write", 0, 0, 'w' },
{ "help", 0, 0, 'h' },
{ "version", 0, 0, 'v' },
{ NULL, 0, 0, 0 }
};
static void digiwake_help(char *argv0)
{
#ifndef SILENT
printf(
"\n"
"Usage: %s [OPTIONS]\n"
"\n"
" WARNING: If you are using this on a system other than the ASUS\n"
" DigiMatrix, then there is a chance that you may cause damage.\n"
" This program needs to be run as root.\n"
"\n"
" -r, --read Attempts to read keycode.\n"
" -w, --write Attempts to write keycode.\n"
/*" TODO: add ability to specify\n"*/
" -v, --version Print version number.\n"
" -h, --help Display this help message.\n"
"\n", argv0);
#endif
}
int digiwake_main(int argc, char **argv)
{
/*
unsigned char writeData[10] = {0x46, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x35, 0x30, 0xcf};
*/
int i = 0;
int ch = 0;
int longindex = 0;
BOOL bRead = FALSE;
BOOL bWrite = FALSE;
if ( (int)getuid() != 0)
{
#ifndef SILENT
fprintf(stderr,"Must be root to run this program!\n");
#endif
return(-1);
}
if (argc == 1)
{
#ifndef SILENT
printf("\nPlease supply some parameters.\n"
"Use %s -h for list.\n\n", argv[0]);
#endif
return(1);
}
/* Parse input params */
for (;;)
{
if ((ch = getopt_long(argc, argv, "rwvh",
digiwake_longopts, &longindex)) == -1)
break;
switch (ch)
{
case 'r':
bRead = TRUE;
break;
case 'w':
bWrite = TRUE;
break;
case 'v':
#ifndef SILENT
printf("ASUS DigiMatrix Wake-On-CIR, from DigiTools "
"Version %s\n", DIGI_VER);
#endif
break;
case 'h':
default:
digiwake_help(argv[0]);
return(0);
break;
}
}
if(bRead)
{
it87_open();
it87_ldn_set(IT8705_PME_LDN);
printf("Read Data: ");
for (i=0; i<18; i++)
{
it87_write_byte(PME_INDX_REG,BASE_ADDR+i);
printf("0x%02X ",it87_read_byte(PME_DATA_REG));
}
printf("\n");
it87_ldn_set(IT8705_CIR_LDN); /* Switch to CIR */
(void)it87_cir_port_open();
printf("CIR-DR: 0x%02X\n",it87_read_cir_byte(IT87_CIR_DR));
printf("CIR-IER: 0x%02X\n",it87_read_cir_byte(IT87_CIR_IER));
printf("CIR-RCR: 0x%02X\n",it87_read_cir_byte(IT87_CIR_RCR));
printf("CIR-TCR1: 0x%02X\n",it87_read_cir_byte(IT87_CIR_TCR1));
printf("CIR-TCR2: 0x%02X\n",it87_read_cir_byte(IT87_CIR_TCR2));
printf("CIR-TSR: 0x%02X\n",it87_read_cir_byte(IT87_CIR_TSR));
printf("CIR-RSR: 0x%02X\n",it87_read_cir_byte(IT87_CIR_RSR));
printf("CIR-BDLR: 0x%02X\n",it87_read_cir_byte(IT87_CIR_BDLR));
printf("CIR-BDHR: 0x%02X\n",it87_read_cir_byte(IT87_CIR_BDHR));
printf("CIR-IIR: 0x%02X\n",it87_read_cir_byte(IT87_CIR_IIR));
it87_cir_port_close();
it87_close();
}
if(bWrite)
{
it87_open();
it87_ldn_set(IT8705_PME_LDN);
/*
for (i=0; i<10; i++)
{
it87_write_byte(PME_INDX_REG,BASE_ADDR+i);
it87_write_byte(PME_DATA_REG,writeData[(int)i]);
}
it87_write_byte(PME_ENABLE,0x1);
*/
it87_ldn_set(IT8705_CIR_LDN); /* Switch to CIR */
(void)it87_cir_port_open();
it87_write_cir_byte(IT87_CIR_IER,0x1C); /* Allow us to reset baudrate */
it87_write_cir_byte(IT87_CIR_RCR,0x21);
it87_write_cir_byte(IT87_CIR_BDHR,0x0); /* Baudrate */
it87_write_cir_byte(IT87_CIR_BDLR,0x45); /* Baudrate */
it87_write_cir_byte(IT87_CIR_DR,0xff);
it87_write_cir_byte(IT87_CIR_TCR2,0x48);
it87_write_cir_byte(IT87_CIR_IIR,0x01);
it87_write_cir_byte(IT87_CIR_IER,0x0C); /* Prevent change of baudrate */
it87_cir_port_close();
it87_close();
}
#ifndef SILENT
printf("Program exiting...\n\n");
#endif
return 0;
}
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