File: plat_hpux.c

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workman 1.3.4-9
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/*
 * This file is part of WorkMan, the civilized CD player program
 * (c) 1991-1997 by Steven Grimm (original author)
 * (c) by Dirk F"orsterling (current 'author' = maintainer)
 * The maintainer can be contacted by his e-mail address:
 * milliByte@DeathsDoor.com 
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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.
 *
 * HP/UX-specific drive control routines.
 */

#if defined(hpux) || defined(__hpux)

static char plat_hpux_id[] = "$Id: plat_hpux.c,v 1.3.4.1 1999/01/15 08:47:35 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>
/*
 * 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 "struct.h"
#include "config.h"
#include "proto.h"

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 cd_modes oldmode, enum cd_modes *mode,
                      int *pos, int *track, int *index )
	struct wm_drive	*d;
	enum 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));
}

/*----------------------------------*
 * 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;
	char		vendor[9], model[17], rev[5];

	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));
	about_set_drivetype(d->vendor, d->model, rev);
	d->fd = fd;

	(d->init)(d);

	return (0);
}

#endif