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tdemultimedia/kscd/libwm/plat_aix.c

490 lines
9.2 KiB

/*
* $Id$
*
* This file is part of WorkMan, the civilized CD player library
* (c) 1991-1997 by Steven Grimm (original author)
* (c) by Dirk F<EFBFBD>rsterling (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
*
*
* plat_aix - AIX 4.x IDE and SCSI support 16 Dec 1998
*
* AIX 4.x Port: Erik O'Shaughnessy
* Original AIX IDE Code: Cloyce Spradling (xmcd libdi_d/aixioc.c )
*
* Taken from the ascd distribution.
*
*/
#if defined(AIXV3) || defined(__AIXV3)
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/cdrom.h>
#include <sys/devinfo.h>
#include <sys/scsi.h>
#include <sys/scdisk.h>
#include "include/wm_config.h"
#include "include/wm_struct.h"
#include "include/wm_cdtext.h"
#define WM_MSG_CLASS WM_MSG_CLASS_PLATFORM
#define LEADOUT 0xaa
int min_volume = 128;
int max_volume = 255;
/* NAME: gen_init
*
* FUNCTION:
*
* RETURNS:
*/
int
gen_init(struct wm_drive *d)
{
return 0;
} /* gen_init() */
/* NAME: wmcd_open
*
* FUNCTION:
*
* RETURNS:
*/
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;
int fd;
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;
if( (fd = openx(d->cd_device,O_RDONLY,NULL,SC_SINGLE)) < 0 )
{
perror("openx");
return -6;
/* return 1 */
}
find_drive_struct(vendor, model, rev);
d->fd = fd;
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|WM_MSG_CLASS, "wmcd_reopen\n");
status = gen_close( d );
wm_susleep( 1000 );
wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "calling wmcd_open()\n");
status = wmcd_open( d ); /* open it as usual */
wm_susleep( 1000 );
} while ( status != 0 );
return status;
} /* wmcd_reopen() */
/* NAME: wm_scsi
*
* FUNCTION:
*
* RETURNS:
*/
int
wm_scsi(struct wm_drive *d,
uchar_t *cdb, int cdblen,
void *retbuf, int retbuflen,
int getreply)
{
return 0;
} /* wm_scsi() */
int
gen_close( struct wm_drive *d )
{
if(d->fd != -1) {
wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "closing the device\n");
close(d->fd);
d->fd = -1;
}
return 0;
}
/* NAME: gen_get_drive_status
*
* FUNCTION:
*
* RETURNS:
*/
int
gen_get_drive_status(struct wm_drive *d,
int oldmode,
int *mode,
int *pos,
int *track,
int *index)
{
struct cd_audio_cmd cmd;
*mode = WM_CDM_EJECTED;
if(d->fd < 0)
switch( wmcd_open(d) )
{
case -1:
return -1;
case 1:
return 0;
}
cmd.audio_cmds = CD_INFO_AUDIO;
if( ioctl(d->fd,DKAUDIO,&cmd) < 0)
return -1;
switch(cmd.status)
{
case CD_PLAY_AUDIO:
*mode = WM_CDM_PLAYING;
*track = cmd.indexing.info_audio.current_track;
*index = cmd.indexing.info_audio.current_index;
*pos = cmd.indexing.info_audio.current_mins * 60 * 75 +
cmd.indexing.info_audio.current_secs * 75 +
cmd.indexing.info_audio.current_frames;
break;
case CD_PAUSE_AUDIO:
*mode = WM_CDM_PAUSED;
*track = cmd.indexing.info_audio.current_track;
*index = cmd.indexing.info_audio.current_index;
*pos = cmd.indexing.info_audio.current_mins * 60 * 75 +
cmd.indexing.info_audio.current_secs * 75 +
cmd.indexing.info_audio.current_frames;
break;
case CD_NO_AUDIO: /* no play audio in progress */
case CD_COMPLETED: /* play operation completed successfully */
case CD_STATUS_ERROR: /* invalid status or play stopped due to err */
case CD_NOT_VALID: /* audio status is invalid or not supported */
*mode = WM_CDM_STOPPED;
break;
default:
*mode = WM_CDM_UNKNOWN;
break;
}
return 0;
} /* gen_get_drive_status() */
/* NAME: gen_get_trackcount
*
* FUNCTION:
*
* RETURNS:
*/
int
gen_get_trackcount(struct wm_drive *d,int *tracks)
{
struct cd_audio_cmd cmd;
cmd.audio_cmds = CD_TRK_INFO_AUDIO;
cmd.msf_flag = 0;
if( ioctl(d->fd,DKAUDIO,&cmd) < 0)
{
perror("DKAUDIO");
return -1;
}
*tracks = cmd.indexing.track_index.last_track;
return 0;
} /* gen_get_trackcount() */
/* NAME: gen_get_trackinfo
*
* FUNCTION:
*
* RETURNS:
*/
int
gen_get_trackinfo(struct wm_drive *d,int track,int *data,int *startframe)
{
struct cd_audio_cmd cmd;
cmd.audio_cmds = CD_GET_TRK_MSF;
cmd.msf_flag = 1;
cmd.indexing.track_msf.track = track;
if( ioctl(d->fd,DKAUDIO,&cmd) < 0)
return -1;
*startframe = cmd.indexing.track_msf.mins * 60 * 75 +
cmd.indexing.track_msf.secs * 75 +
cmd.indexing.track_msf.frames;
*data = 0;
return 0;
} /* gen_get_trackinfo() */
/* NAME: gen_get_cdlen
*
* FUNCTION:
*
* RETURNS:
*/
int
gen_get_cdlen(struct wm_drive *d,int *frames)
{
int tmp;
return gen_get_trackinfo(d,LEADOUT,&tmp,frames);
} /* gen_get_cdlen() */
/* NAME: gen_play
*
* FUNCTION:
*
* RETURNS:
*/
int
gen_play(struct wm_drive *d,int start,int end)
{
struct cd_audio_cmd cmd;
cmd.audio_cmds = CD_PLAY_AUDIO;
cmd.msf_flag = 1;
cmd.indexing.msf.first_mins = start / (60*75);
cmd.indexing.msf.first_secs = (start % (60*75)) / 75;
cmd.indexing.msf.first_frames = start % 75;
cmd.indexing.msf.last_mins = end / (60*75);
cmd.indexing.msf.last_secs = (end % (60*75)) / 75;
cmd.indexing.msf.last_frames = end % 75;
if( ioctl(d->fd,DKAUDIO,&cmd) < 0)
{
perror("DKAUDIO:CD_PLAY_AUDIO");
return -1;
}
return 0;
} /* gen_play() */
/* NAME: gen_pause
*
* FUNCTION:
*
* RETURNS:
*/
int
gen_pause(struct wm_drive *d)
{
struct cd_audio_cmd cmd;
cmd.audio_cmds = CD_PAUSE_AUDIO;
return ioctl(d->fd,DKAUDIO,&cmd);
} /* gen_pause() */
/* NAME: gen_resume
*
* FUNCTION:
*
* RETURNS:
*/
int
gen_resume(struct wm_drive *d)
{
struct cd_audio_cmd cmd;
cmd.audio_cmds = CD_RESUME_AUDIO;
return ioctl(d->fd,DKAUDIO,&cmd);
} /* gen_resume() */
/* NAME: gen_stop
*
* FUNCTION:
*
* RETURNS:
*/
int
gen_stop(struct wm_drive *d)
{
struct cd_audio_cmd cmd;
cmd.audio_cmds = CD_STOP_AUDIO;
return ioctl(d->fd,DKAUDIO,&cmd);
} /* gen_stop() */
/* NAME: gen_eject
*
* FUNCTION:
*
* RETURNS:
*/
int
gen_eject(struct wm_drive *d)
{
return ioctl(d->fd,DKEJECT,NULL);
}
/*----------------------------------------*
* Close the CD tray
*----------------------------------------*/
int
gen_closetray(struct wm_drive *d)
{
#ifdef CAN_CLOSE
if(!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);
}
int
unscale_volume(int vol,int max)
{
int n;
n = ( vol - min_volume ) * max_volume / (max - min_volume);
return (n <0)?0:n;
}
/* NAME: gen_set_volume
*
* FUNCTION:
*
* RETURNS:
*/
int
gen_set_volume(struct wm_drive *d,int left,int right)
{
struct cd_audio_cmd cmd;
cmd.audio_cmds = CD_SET_VOLUME;
cmd.volume_type = CD_VOLUME_CHNLS;
cmd.out_port_0_vol = scale_volume(left,100);
cmd.out_port_1_vol = scale_volume(right,100);
if( ioctl(d->fd,DKAUDIO,&cmd) < 0)
{
perror("CD_SET_VOLUME");
return -1;
}
return 0;
} /* gen_set_volume() */
/* NAME: gen_get_volume
*
* FUNCTION:
*
* RETURNS:
*/
int
gen_get_volume(struct wm_drive *d,int *left,int *right)
{
struct cd_audio_cmd cmd;
int l,r;
fprintf(stderr,"gen_get_volume\n");
cmd.audio_cmds = CD_INFO_AUDIO;
if( ioctl(d->fd,DKAUDIO,&cmd) < 0)
return -1;
*left = unscale_volume(cmd.out_port_0_vol,100);
*right = unscale_volume(cmd.out_port_1_vol,100);
return 0;
} /* gen_get_volume() */
/*------------------------------------------------------------------------*
13 years ago
* gen_get_cdtext(drive, buffer, length)
*------------------------------------------------------------------------*/
int
13 years ago
gen_get_cdtext(struct wm_drive *d, unsigned char **pp_buffer, int *p_buffer_length)
{
return -1; /* no SCSI, no CDTEXT */
} /* gen_get_cdtext() */
#endif /* _AIX */