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/* $Id: dev.c,v 0.14 2003/01/27 18:32:26 folkert Exp folkert $
* $Log: dev.c,v $
* Revision 0.14 2003/01/27 18:32:26 folkert
* added RAW-mode for CD/DVD
*
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/ioctl.h>
#ifdef __linux__
#include <linux/fd.h>
#include <linux/cdrom.h>
#include <linux/hdreg.h>
#include <scsi/sg.h>
#include <scsi/scsi_ioctl.h>
#include <linux/cdrom.h>
#endif
#include "dev.h"
int init_device(int fd, int dev_type, int rotation_speed)
{
#ifdef __linux__
switch(dev_type)
{
case DT_FLOPPY:
{
struct floppy_max_errors fme;
if (ioctl(fd, FDGETMAXERRS, &fme, sizeof(fme)) == -1)
{
perror("FDGETMAXERRS");
return -1;
}
fme.reset = 2;
fme.recal = 3;
if (ioctl(fd, FDSETMAXERRS, &fme, sizeof(fme)) == -1)
{
perror("FDSETMAXERRS");
return -1;
}
}
break;
case DT_CDROM_IDE:
case DT_CDROM_SCSI:
case DT_DVD_IDE:
case DT_DVD_SCSI:
{
int speed = rotation_speed;
if (ioctl(fd, CDROM_SELECT_SPEED, speed) == -1)
{
perror("CDROM_SELECT_SPEED");
return -1;
}
}
break;
}
#endif
return 0;
}
int clear_buffers(int fd, int dev_type)
{
#ifdef __linux__
switch(dev_type)
{
case DT_FLOPPY:
if (ioctl(fd, FDFLUSH) == -1)
{
perror("FDFLUSH");
return -1;
}
break;
}
#endif
return 0;
}
int reset_controller(int fd, int dev_type)
{
#ifdef __linux__
switch(dev_type)
{
case DT_FLOPPY:
if (ioctl(fd, FDRESET) == -1)
{
perror("FDRESET");
return -1;
}
break;
case DT_DISK_SCSI:
if (ioctl(fd, SG_SCSI_RESET) == -1)
{
perror("SG_SCSI_RESET");
return -1;
}
break;
}
#endif
return 0;
}
int reset_device(int fd, int dev_type)
{
#ifdef __linux__
switch(dev_type)
{
case DT_DISK_IDE:
#if 0 /* tricky! */
if (ioctl(fd, HDIO_DRIVE_RESET) == -1)
{
perror("HDIO_DRIVE_RESET");
return -1;
}
#endif
break;
case DT_DISK_SCSI:
#if 0 /* tricky! */
if (ioctl(fd, SCSI_IOCTL_STOP_UNIT) == -1)
{
perror("SCSI_IOCTL_STOP_UNIT");
return -1;
}
sleep(1);
if (ioctl(fd, SCSI_IOCTL_START_UNIT) == -1)
{
perror("SCSI_IOCTL_START_UNIT");
return -1;
}
#endif
break;
case DT_CDROM_IDE:
case DT_CDROM_SCSI:
case DT_DVD_IDE:
case DT_DVD_SCSI:
if (ioctl(fd, CDROMRESET) == -1)
{
perror("CDROMRESET");
return -1;
}
break;
}
#endif
return 0;
}
int read_raw_cd(int fd, unsigned char minute, unsigned char second, unsigned char frame, char *whereto)
{
#ifdef __linux__
char *pframe = (char *)malloc(CD_FRAMESIZE_RAWER);
struct cdrom_msf *msf = (struct cdrom_msf *)pframe;
msf -> cdmsf_min0 = msf -> cdmsf_min1 = minute;
msf -> cdmsf_sec0 = msf -> cdmsf_sec1 = second;
msf -> cdmsf_frame0 = msf -> cdmsf_frame1 = frame;
if (ioctl(fd, CDROMREADRAW, msf) == -1)
{
if (errno != EIO)
return -1;
}
memcpy(whereto, &pframe[12 + 4], 2048);
return 0;
#else
return -1;
#endif
}
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