tdemultimedia/kscd/libwm/plat_template.c

/*
 * $Id$
 *
 * This file is part of WorkMan, the civilized CD player library
 * (c) 1991-1997 by Steven Grimm (original author)
 * (c) by Dirk Försterling (current 'author' = maintainer)
 * The maintainer can be contacted by his e-mail address:
 * milliByte@DeathsDoor.com 
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * 
 * This file surely contains nonsense. It's the porter's part to fill
 * the gaps and assure that the resulting code makes sense.
 *
 */


static char plat_template_id[] = "$Id$"

#if [TEMPLATESYSTEM]


#include "include/wm_config.h"
#include "include/wm_struct.h"
#include "include/wm_cdtext.h"

#define WM_MSG_CLASS WM_MSG_CLASS_PLATFORM

/*
 * gen_init();
 *
 */
int 
gen_init(struct wm_drive *d)
{
  return (0);
} /* gen_init() */

/*
 * wmcd_open()
 *
 */
int 
wmcd_open(struct wm_drive *d)
{
  char vendor[32] = WM_STR_GENVENDOR;
  char  model[32] = WM_STR_GENMODEL;
  char    rev[32] = WM_STR_GENREV;

  if( ! d )
    {
      errno = EFAULT;
      return -1;
    }

  if(d->fd > -1)			/* device already open? */
    {
      wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "wmcd_open(): [device is open (fd=%d)]\n", d->fd);
      return 0;
    }

  if( d->cd_device == (char *)NULL )
    d->cd_device = DEFAULT_CD_DEVICE;

  /* open() goes here */

  if(find_drive_struct(vendor, model, rev)) {
    gen_close(d);
    return -1;
  }
  
  d->init(d);

  return (0);
} /* wmcd_open() */

/*
 * Re-Open the device if it is open.
 */
int
wmcd_reopen( struct wm_drive *d )
{
	int status;

	do {
          wm_lib_message(WM_MSG_LEVEL_DEBUG, "wmcd_reopen\n");
	  status = gen_close( d );
	  wm_susleep( 1000 );
          wm_lib_message(WM_MSG_LEVEL_DEBUG, "calling wmcd_open()\n");
	  status = wmcd_open( d ); /* open it as usual */
	  wm_susleep( 1000 );
	} while ( status != 0 );
        return status;
} /* wmcd_reopen() */

/*
 * wm_scsi()
 *
 */
int 
wm_scsi(struct wm_drive *d,
	    uchar_t *cdb, int cdblen,void *retbuf,int retbuflen,int getreply)
{
  return (0);
} /* wm_scsi() */

/*
 * close the CD device
 */

int
gen_close(struct wm_drive *d)
{
    if(d->fd != -1) {
      wm_lib_message(WM_MSG_LEVEL_DEBUG, "closing the device\n");
      close(d->fd);
      d->fd = -1;
    }
    return 0;
} /* gen_close() */

/* 
 * gen_get_drive_status()
 *
 */
int 
gen_get_drive_status(struct wm_drive *d,
			 int oldmode,
			 int *mode,
			 int *pos,
			 int *track,
			 int *index)
{ 
  return (0);
} /* gen_get_drive_status() */

/*
 * gen_get_trackcount()
 *
 */
int 
gen_get_trackcount(struct wm_drive *d,int *tracks)
{ 
  return (0);
} /* gen_get_trackcount() */

/* 
 * gen_get_trackinfo()
 *
 */
int
gen_get_trackinfo(struct wm_drive *d,int track,int *data,int *startframe)
{
  return (0);
} /* gen_get_trackinfo() */

/*
 * gen_get_cdlen()
 *
 */
int 
gen_get_cdlen(struct wm_drive *d,int *frames)
{
  return (0);
} /* gen_get_cdlen() */

/*
 * gen_play()
 *
 */
int 
gen_play(struct wm_drive *d,int start,int end)
{
  return (0);
} /* gen_play() */

/* 
 * gen_pause()
 *
 */
int 
gen_pause(struct wm_drive *d)
{
  return ioctl( 0 );
} /* gen_pause() */

/*
 * gen_resume
 *
 */
int 
gen_resume(struct wm_drive *d)
{
  return (0);
} /* gen_resume() */

/*
 * gen_stop()
 *
 */
int 
gen_stop(struct wm_drive *d)
{ 
  return (0);
} /* gen_stop() */

/*
 * gen_eject()
 *
 */
int 
gen_eject(struct wm_drive *d)
{
  return (0);
} /* gen_eject() */

/*----------------------------------------*
 * Close the CD tray
 *----------------------------------------*/
int gen_closetray(struct wm_drive *d)
{
#ifdef CAN_CLOSE
	if(!wmcd_close(d->fd))
	{
		d->fd=-1;
		return(wmcd_reopen(d));
	} else {
		return(-1);
	}
#else
	/* Always succeed if the drive can't close */
	return(0);
#endif /* CAN_CLOSE */
} /* gen_closetray() */

int 
scale_volume(int vol,int max)
{
  return ((vol * (max_volume - min_volume)) / max + min_volume);
} /* scale_volume() */

int 
unscale_volume(int vol,int max)
{
  int n;
  n = ( vol - min_volume ) * max_volume / (max - min_volume);
  return (n <0)?0:n;
} /* unscale_volume() */

/* 
 * gen_set_volume()
 *
 */
int 
gen_set_volume(struct wm_drive *d,int left,int right)
{
  return (0);
} /* gen_set_volume() */

/*
 * gen_get_volume()
 *
 */
int 
gen_get_volume(struct wm_drive *d,int *left,int *right)
{
  return (0);
} /* gen_get_volume() */

/*------------------------------------------------------------------------*
 * gen_get_cdtext(drive, buffer, lenght)
 *
 * For systems without working wm_scsi(), this should return -1
 *------------------------------------------------------------------------*/

int
gen_get_cdtext(struct wm_drive *d, unsigned char **pp_buffer, int *p_buffer_lenght)
{
  return wm_scsi_get_cdtext(d, pp_buffer, p_buffer_lenght);
} /* gen_get_cdtext() */

#endif /* TEMPLATESYSTEM */