dockapps/ascd/libworkman/plat_hpux.c

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/*
* $Id: plat_hpux.c,v 1.8 1999/06/17 06:48:03 dirk Exp $
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
* HP/UX-specific drive control routines.
*/
#if defined(hpux) || defined(__hpux)
static char plat_hpux_id[] = "$Id: plat_hpux.c,v 1.8 1999/06/17 06:48:03 dirk Exp $";
#include <errno.h>
#include <stdio.h>
#include <fcntl.h>
#include <ustat.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/stat.h>
#include "include/wm_config.h"
/*
* this is for glibc 2.x which the ust structure in
* ustat.h not stat.h
*/
#ifdef __GLIBC__
#include <sys/ustat.h>
#endif
#include <sys/time.h>
#include <sys/scsi.h>
#include "include/wm_struct.h"
#include "include/wm_helpers.h"
#define WM_MSG_CLASS WM_MSG_CLASS_PLATFORM
void *malloc();
char *strchr();
int min_volume = 0;
int max_volume = 255;
extern char *cd_device;
/*--------------------------------------------------------*
* Initialize the drive. A no-op for the generic driver.
*--------------------------------------------------------*/
int
gen_init( struct wm_drive *d )
{
return (0);
}
/*-------------------------------------*
* Get the number of tracks on the CD.
*-------------------------------------*/
int
gen_get_trackcount(struct wm_drive *d, int *tracks )
{
return (wm_scsi2_get_trackcount(d, tracks));
}
/*---------------------------------------------------------*
* Get the start time and mode (data or audio) of a track.
*---------------------------------------------------------*/
int
gen_get_trackinfo( struct wm_drive *d, int *track, int *data, int *startframe)
{
return (wm_scsi2_get_trackinfo(d, track, data, startframe));
}
/*-------------------------------------*
* Get the number of frames on the CD.
*-------------------------------------*/
int
gen_get_cdlen(struct wm_drive *d, int *frames)
{
int tmp;
return (wm_scsi2_get_cdlen(d, frames));
}
/*--------------------------------------------------------------------------*
* Get the current status of the drive: the current play mode, the absolute
* position from start of disc (in frames), and the current track and index
* numbers if the CD is playing or paused.
*--------------------------------------------------------------------------*/
int
gen_get_drive_status( struct wm_drive *d, enum wm_cd_modes oldmode, enum wm_cd_modes *mode,
int *pos, int *track, int *index )
struct wm_drive *d;
enum wm_cd_modes oldmode, *mode;
int *pos, *track, *index;
{
return (wm_scsi2_get_drive_status(d, oldmode, mode, pos, track, index));
}
/*---------------------------------------------------------------------*
* Set the volume level for the left and right channels. Their values
* range from 0 to 100.
*---------------------------------------------------------------------*/
int
gen_set_volume( struct wm_drive *d, int left, int right )
{
return (wm_scsi2_set_volume(d, left, right));
}
/*---------------------------------------------------------------------*
* Read the initial volume from the drive, if available. Each channel
* ranges from 0 to 100, with -1 indicating data not available.
*---------------------------------------------------------------------*/
int
gen_get_volume( struct wm_drive *d, int *left, int *right )
{
return (wm_scsi2_get_volume(d, left, right));
}
/*---------------*
* Pause the CD.
*---------------*/
int
gen_pause( struct wm_drive *d )
{
return (wm_scsi2_pause(d));
}
/*-------------------------------------------------*
* Resume playing the CD (assuming it was paused.)
*-------------------------------------------------*/
int
gen_resume( struct wm_drive *d )
{
return (wm_scsi2_resume(d));
}
/*--------------*
* Stop the CD.
*--------------*/
int
gen_stop( struct wm_drive *d )
{
return (wm_scsi2_stop(d));
}
/*------------------------------------------------------------*
* Play the CD from one position to another (both in frames.)
*------------------------------------------------------------*/
int
gen_play( struct wm_drive *d, int start, int end )
{
return (wm_scsi2_play(d, start, end));
}
/*----------------------------------------*
* Eject the current CD, if there is one.
*----------------------------------------*/
int
gen_eject( struct wm_drive *d )
{
struct stat stbuf;
struct ustat ust;
if (fstat(d->fd, &stbuf) != 0)
return (-2);
/* Is this a mounted filesystem? */
if (ustat(stbuf.st_rdev, &ust) == 0)
return (-3);
return (wm_scsi2_eject(d));
}
/*----------------------------------------*
* Close the CD tray
*----------------------------------------*/
int gen_closetray(struct wm_drive *d)
{
#ifdef CAN_CLOSE
return (wm_scsi2_closetray(d));
#else
/* Always succeed if the drive can't close */
return(0);
#endif /* CAN_CLOSE */
} /* gen_closetray() */
/*----------------------------------*
* Send a SCSI command out the bus.
*----------------------------------*/
int
wm_scsi( struct wm_drive *d, unsigned char *cdb, int cdblen,
void *retbuf, int retbuflen, int getreply )
{
#ifdef SIOC_IO
struct sctl_io cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.cdb_length = cdblen;
cmd.data = retbuf;
cmd.data_length = retbuflen;
cmd.max_msecs = 1000;
cmd.flags = getreply ? SCTL_READ : 0;
memcpy(cmd.cdb, cdb, cdblen);
return (ioctl(d->fd, SIOC_IO, &cmd));
#else
/* this code, for pre-9.0, is BROKEN! ugh. */
char reply_buf[12];
struct scsi_cmd_parms cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.clock_ticks = 500;
cmd.cmd_mode = 1;
cmd.cmd_type = cdblen;
memcpy(cmd.command, cdb, cdblen);
if (ioctl(d->fd, SIOC_SET_CMD, &cmd) < 0)
return (-1);
if (! retbuf || ! retbuflen)
(void) read(d->fd, reply_buf, sizeof(reply_buf));
else if (getreply)
{
if (read(d->fd, retbuf, retbuflen) < 0)
return (-1);
}
else
if (write(d->fd, retbuf, retbuflen) < 0)
return (-1);
return (0);
#endif
}
/*-------------------------------------------------------------*
* Open the CD and figure out which kind of drive is attached.
*-------------------------------------------------------------*/
int
wmcd_open( struct wm_drive *d )
{
int fd, flag = 1;
static int warned = 0;
/* unsigned ? */
char vendor[32], model[32], rev[32];
if (d->fd >= 0) /* Device already open? */
return (0);
if (cd_device == NULL)
cd_device = DEFAULT_CD_DEVICE;
d->fd = open(cd_device, O_RDWR);
if (d->fd < 0)
{
if (errno == EACCES)
{
if (! warned)
{
fprintf(stderr,
"As root, please run\n\nchmod 666 %s\n\n%s\n", cd_device,
"to give yourself permission to access the CD-ROM device.");
warned++;
}
}
else if (errno != EINTR)
{
perror(cd_device);
exit(1);
}
/* No CD in drive. */
return (1);
}
/* Prepare the device to receive raw SCSI commands. */
if (ioctl(d->fd, SIOC_CMD_MODE, &flag) < 0)
{
fprintf(stderr, "%s: SIOC_CMD_MODE: true: %s\n",
cd_device, strerror(errno));
/*exit(1);*/
}
if (warned)
{
warned = 0;
fprintf(stderr, "Thank you.\n");
}
/* Now fill in the relevant parts of the wm_drive structure. */
fd = d->fd;
/* Default drive is the HP one, which might not respond to INQUIRY */
strcpy(&vendor, "TOSHIBA");
strcpy(&model, "XM-3301");
rev[0] = '\0';
wm_scsi_get_drive_type(d, vendor, model, rev);
*d = *(find_drive_struct(vendor, model, rev));
wm_drive_settype(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 ");
if (d->fd >= 0) /* Device really open? */
{
wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "closes the device and ");
status = close( d->fd ); /* close it! */
/* we know, that the file is closed, do we? */
d->fd = -1;
}
wm_susleep( 1000 );
wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "calls wmcd_open()\n");
status = wmcd_open( d ); /* open it as usual */
wm_susleep( 1000 );
} while ( status != 0 );
return status;
} /* wmcd_reopen() */
#endif