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-rw-r--r--kscd/libwm/plat_svr4.c482
1 files changed, 482 insertions, 0 deletions
diff --git a/kscd/libwm/plat_svr4.c b/kscd/libwm/plat_svr4.c
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+++ b/kscd/libwm/plat_svr4.c
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+/*
+ * $Id$
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *
+ * SVR4 specific. Much of this is similar to plat_hpux.c.
+ */
+
+static char plat_svr4_id[] = "$Id$";
+
+#if (defined(SVR4) || defined(__SVR4)) && !defined(sun) && !defined(__sun) && !defined(sony_news) && !defined(__sony_news)
+
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#include <sys/mkdev.h>
+#include <sys/stat.h>
+#include <sys/sdi.h>
+#include <sys/sdi_edt.h>
+#include <sys/scsi.h>
+#include <errno.h>
+
+#include "include/wm_config.h"
+#include "include/wm_struct.h"
+#include "include/wm_cdtext.h"
+
+#define WM_MSG_CLASS WM_MSG_CLASS_PLATFORM
+
+
+void *malloc();
+char *strchr();
+
+int min_volume = 0;
+int max_volume = 255;
+
+static int
+create_cdrom_node(char *dev_name)
+{
+ char pass_through[100];
+ int file_des;
+ dev_t pass_thru_device;
+ int err;
+ int ccode;
+
+
+ strncpy(pass_through, dev_name, sizeof(pass_through) - 2);
+ strcat(pass_through, "p" );
+
+ if (setreuid(-1,0) < 0)
+ {
+ perror("setregid/setreuid/access");
+ return -1;
+ }
+
+ ccode = access(pass_through, F_OK);
+
+ if (ccode < 0)
+ {
+ if ((file_des = open(dev_name, O_RDONLY)) < 0)
+ {
+ perror("open cdrom devices failed");
+ return -1;
+ }
+
+ if (ioctl(file_des, B_GETDEV, &pass_thru_device) < 0)
+ {
+ perror("Call to get pass-through device number failed");
+ return -1;
+ }
+
+ (void)close(file_des);
+
+ if (mknod(pass_through, (S_IFCHR | S_IREAD | S_IWRITE),
+ pass_thru_device) < 0)
+ {
+ perror("Unable to make pass-through node");
+ return -1;
+ }
+
+ if (chown(pass_through, 0 , 0) < 0)
+ {
+ perror("chown");
+ return -1;
+ }
+
+ if (chmod(pass_through, 0660 ) < 0)
+ {
+ perror("chmod");
+ return -1;
+ }
+ }
+
+ file_des = open( pass_through, O_RDWR);
+ err = errno;
+
+ if ( (setreuid(-1,getuid()) < 0) || (setregid(-1,getgid()) < 0) )
+ {
+ perror("setreuid/setregid");
+ return -1;
+ }
+ errno = err;
+ return file_des;
+} /* create_cdrom_node() */
+
+const char*
+find_cdrom()
+{
+ /*
+ ** the path of the device has to start w/ /dev
+ ** otherwise we are vulnerable to race conditions
+ ** Thomas Biege <thomas@suse.de>
+ */
+ const char* device = NULL;
+
+ device = getenv("CDROM");
+ if ( (device != NULL) &&
+ !(strncmp("/dev/", device, 5) ||
+ strstr(_device, "/../") ))
+ return device;
+
+ if (access("/dev/cdrom/cdrom1", F_OK) == 0)
+ {
+ return "/dev/cdrom/cdrom1";
+ }
+ else if (access("/dev/cdrom/cdrom2", F_OK) == 0)
+ {
+ return "/dev/cdrom/cdrom2";
+ }
+ else
+ {
+ fprintf(stderr, "Couldn't find a CD device!\n");
+ return NULL;
+ }
+} /* find_cdrom() */
+
+/*
+ * Initialize the drive. A no-op for the generic driver.
+ */
+int
+gen_init(struct wm_drive *d)
+{
+ return (0);
+} /* gen_init() */
+
+/*
+ * 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[32] = WM_STR_GENVENDOR;
+ char model[32] = WM_STR_GENMODEL;
+ char rev[32] = WM_STR_GENREV;
+
+ if (d->fd >= 0) /* 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 == NULL)
+ d->cd_device = DEFAULT_CD_DEVICE;
+
+ d->fd = create_cdrom_node(d->cd_device); /* this will do open */
+
+ if (d->fd < 0)
+ {
+ if (errno == EACCES)
+ {
+ if (! warned)
+ {
+ fprintf(stderr,"Cannot access %s\n",d->cd_device);
+ warned++;
+ }
+ }
+ else if (errno != EINTR)
+ {
+ return ( -6 );
+ }
+
+ /* No CD in drive. (Is this true also for svr4 ? XXX ) */
+ return (1);
+ }
+
+ if (warned)
+ {
+ warned = 0;
+ fprintf(stderr, "Thank you.\n");
+ }
+
+ /* Now fill in the relevant parts of the wm_drive structure. */
+
+ fd = d->fd;
+
+ if (wm_scsi_get_drive_type(d, vendor, model, rev) < 0)
+ {
+ perror("Cannot inquiry drive for it's type");
+ exit(1);
+ }
+ find_drive_struct(vendor, model, rev);
+
+ d->fd = fd;
+
+ 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() */
+
+
+/*
+ * Send a SCSI command out the bus.
+ */
+int
+wm_scsi( struct wm_drive *d, unsigned char *xcdb, int cdblen,
+ char *retbuf, int retbuflen, int getreply)
+{
+ int ccode;
+ int file_des = d->fd;
+ int i,j;
+ unsigned char sense_buffer[ SENSE_SZ ];
+ int errno_save;
+
+ /* getreply == 1 is read, == 0 is write */
+
+ struct sb sb;
+ struct scs scs;
+
+ sb.sb_type = ISCB_TYPE;
+
+ sb.SCB.sc_comp_code = SDI_PROGRES;
+ sb.SCB.sc_int = NULL;
+ sb.SCB.sc_wd = 0;
+ sb.SCB.sc_dev.sa_major = 0;
+ sb.SCB.sc_dev.sa_minor = 0;
+ sb.SCB.sc_dev.sa_lun = 0;
+ sb.SCB.sc_dev.sa_exlun = 0;
+ sb.SCB.sc_status = 0;
+ sb.SCB.sc_link = (struct sb *) NULL;
+ sb.SCB.sc_resid = 0;
+
+ sb.SCB.sc_cmdpt = (void *)xcdb;
+ sb.SCB.sc_cmdsz = cdblen;
+
+ sb.SCB.sc_datapt = retbuf ;
+ sb.SCB.sc_datasz = retbuflen ;
+
+ if (getreply == 1)
+ sb.SCB.sc_mode = SCB_READ;
+ else
+ sb.SCB.sc_mode = SCB_WRITE;
+
+ sb.SCB.sc_time = 500;
+
+ ccode = ioctl(file_des, SDI_SEND, &sb);
+
+ if ( (sb.SCB.sc_comp_code != 0xd000000e ) ||
+ ( sb.SCB.sc_status != 02) )
+ return ccode;
+
+ errno_save = errno;
+
+ sb.SCB.sc_comp_code = SDI_PROGRES;
+ sb.SCB.sc_int = NULL;
+ sb.SCB.sc_wd = 0;
+ sb.SCB.sc_dev.sa_major = 0;
+ sb.SCB.sc_dev.sa_minor = 0;
+ sb.SCB.sc_dev.sa_lun = 0;
+ sb.SCB.sc_dev.sa_exlun = 0;
+ sb.SCB.sc_status = 0;
+ sb.SCB.sc_link = (struct sb *) NULL;
+ sb.SCB.sc_resid = 0;
+
+ scs.ss_op = SS_REQSEN;
+ scs.ss_lun = 0;
+ scs.ss_addr1 = 0;
+ scs.ss_addr = 0;
+ scs.ss_len = SENSE_SZ;
+ scs.ss_cont = 0;
+
+ sb.SCB.sc_cmdpt = SCS_AD(&scs);
+ sb.SCB.sc_cmdsz = SCS_SZ;
+ sb.SCB.sc_datapt = sense_buffer;
+ sb.SCB.sc_datasz = 18;
+ sb.SCB.sc_mode = SCB_READ;
+ sb.SCB.sc_time = 5000;
+
+ if (ioctl(file_des, SDI_SEND, &sb) < 0)
+ {
+ fprintf(stderr,"Cannot read sense.\n");
+ exit(-1);
+ }
+
+ errno=errno_save;
+ return -1;
+} /* 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;
+}
+
+/*
+ * 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, int oldmode,
+ int *mode, int *pos, int *track, int *index)
+{
+ return (wm_scsi2_get_drive_status(d, oldmode, mode, pos, track, index));
+} /* gen_get_drive_status() */
+
+/*
+ * 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));
+} /* gen_get_trackcount() */
+
+/*
+ * 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));
+} /* gen_get_trackinfo() */
+
+/*
+ * 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));
+} /* gen_get_cdlen() */
+
+/*
+ * 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));
+} /* gen_play() */
+
+/*
+ * Pause the CD.
+ */
+int
+gen_pause(struct wm_drive *d)
+{
+ return (wm_scsi2_pause(d));
+} /* gen_pause() */
+
+/*
+ * Resume playing the CD (assuming it was paused.)
+ */
+int
+gen_resume(struct wm_drive *d)
+{
+ return (wm_scsi2_resume(d));
+} /* gen_resume() */
+
+/*
+ * Stop the CD.
+ */
+int
+gen_stop(struct wm_drive *d)
+{
+ return (wm_scsi2_stop(d));
+} /* gen_stop() */
+
+
+/*
+ * Eject the current CD, if there is one.
+ */
+int
+gen_eject(struct wm_drive *d)
+{
+ return (wm_scsi2_eject(d));
+} /* gen_eject() */
+
+/*
+ * Close the tray.
+ * please review scsi.c / wm_scsi2_closetray()
+ * and send changes to milliByte@DeathsDoor.com
+ */
+int
+gen_closetray( struct wm_drive *d )
+{
+ return(wm_scsi2_closetray(d));
+} /* gen_closetray() */
+
+
+/*
+ * 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));
+} /* gen_set_volume() */
+
+/*
+ * 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));
+} /* gen_get_volume() */
+
+/*------------------------------------------------------------------------*
+ * gen_get_cdtext(drive, buffer, lenght)
+ *------------------------------------------------------------------------*/
+
+int
+gen_get_cdtext(struct wm_drive *d, unsigned char **pp_buffer, int *p_buffer_lenght)
+{
+ /* This needs to be tested */
+ return wm_scsi_get_cdtext(d, pp_buffer, p_buffer_lenght);
+} /* gen_get_cdtext() */
+
+#endif
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