0441b2f09d
Default device lists default to CAM device name. Simplify, correct and make more complete CAM support. With the above we can finally use libcdio for cd-read, vcdimager and probably vlc and xine. Many thanks to Heiner.
185 lines
5.0 KiB
C
185 lines
5.0 KiB
C
/*
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$Id: freebsd.h,v 1.9 2004/06/05 02:47:49 rocky Exp $
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Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* This file contains FreeBSD-specific code and implements low-level
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control of the CD drive. Culled initially I think from xine's or
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mplayer's FreeBSD code with lots of modifications.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <cdio/sector.h>
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#include "cdio_assert.h"
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#include "cdio_private.h"
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/*!
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For ioctl access /dev/acd0c is preferred over /dev/cd0c.
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For cam access /dev/cd0c is preferred. DEFAULT_CDIO_DEVICE and
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DEFAULT_FREEBSD_AM should be consistent.
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*/
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#ifndef DEFUALT_CDIO_DEVICE
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#define DEFAULT_CDIO_DEVICE "/dev/cd0c"
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#endif
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#ifndef DEFUALT_FREEBSD_AM
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#define DEFAULT_FREEBSD_AM _AM_CAM
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#endif
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#include <string.h>
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#ifdef HAVE_FREEBSD_CDROM
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#ifdef HAVE_SYS_CDIO_H
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# include <sys/cdio.h>
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#endif
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#include <sys/cdrio.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/param.h>
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#define HAVE_FREEBSD_CAM
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#ifdef HAVE_FREEBSD_CAM
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#include <camlib.h>
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#include <cam/scsi/scsi_message.h>
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#include <cam/scsi/scsi_pass.h>
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#include <errno.h>
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#define ERRCODE(s) ((((s)[2]&0x0F)<<16)|((s)[12]<<8)|((s)[13]))
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#define EMEDIUMTYPE EINVAL
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#define ENOMEDIUM ENODEV
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#define CREAM_ON_ERRNO(s) do { \
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switch ((s)[12]) \
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{ case 0x04: errno=EAGAIN; break; \
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case 0x20: errno=ENODEV; break; \
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case 0x21: if ((s)[13]==0) errno=ENOSPC; \
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else errno=EINVAL; \
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break; \
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case 0x30: errno=EMEDIUMTYPE; break; \
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case 0x3A: errno=ENOMEDIUM; break; \
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} \
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} while(0)
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#endif /*HAVE_FREEBSD_CAM*/
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#include <cdio/util.h>
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#define TOTAL_TRACKS ( env->tochdr.ending_track \
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- env->tochdr.starting_track + 1)
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#define FIRST_TRACK_NUM (env->tochdr.starting_track)
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typedef enum {
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_AM_NONE,
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_AM_IOCTL,
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_AM_CAM
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} access_mode_t;
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typedef struct {
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/* Things common to all drivers like this.
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This must be first. */
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generic_img_private_t gen;
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char *source_name;
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#ifdef HAVE_FREEBSD_CAM
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char *device;
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struct cam_device *cam;
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union ccb ccb;
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#endif
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access_mode_t access_mode;
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bool b_ioctl_init;
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bool b_cam_init;
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/* Track information */
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bool toc_init; /* if true, info below is valid. */
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struct ioc_toc_header tochdr;
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struct ioc_read_toc_single_entry tocent[100]; /* entry info for each track */
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} _img_private_t;
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bool cdio_is_cdrom_freebsd_ioctl(char *drive, char *mnttype);
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char *get_mcn_freebsd_ioctl (const void *env);
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track_format_t get_track_format_freebsd_ioctl(void *env, track_t track_num);
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bool get_track_green_freebsd_ioctl(void *env, track_t track_num);
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int eject_media_freebsd_ioctl (_img_private_t *env);
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int eject_media_freebsd_cam (_img_private_t *env);
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void free_freebsd_cam (void *obj);
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/*!
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Using the ioctl method, r nblocks of audio sectors from cd device
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into data starting from lsn. Returns 0 if no error.
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*/
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int read_audio_sectors_freebsd_ioctl (_img_private_t *env, void *data,
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lsn_t lsn, unsigned int nblocks);
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/*!
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Using the CAM method, reads nblocks of mode2 sectors from
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cd device using into data starting from lsn. Returns 0 if no
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error.
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*/
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int read_mode2_sector_freebsd_cam (_img_private_t *env, void *data,
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lsn_t lsn, bool b_form2);
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/*!
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Using the ioctl method, reads nblocks of mode2 sectors from
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cd device using into data starting from lsn. Returns 0 if no
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error.
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*/
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int read_mode2_sector_freebsd_ioctl (_img_private_t *env, void *data,
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lsn_t lsn, bool b_form2);
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/*!
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Using the CAM method, reads nblocks of mode2 form2 sectors from
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cd device using into data starting from lsn. Returns 0 if no
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error.
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Note: if you want form1 sectors, the caller has to pick out the
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appropriate piece.
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*/
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int read_mode2_sectors_freebsd_cam (_img_private_t *env, void *buf,
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lsn_t lsn, unsigned int nblocks);
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bool read_toc_freebsd_ioctl (_img_private_t *env);
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/*!
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Return the size of the CD in logical block address (LBA) units.
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*/
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uint32_t stat_size_freebsd_cam (_img_private_t *env);
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uint32_t stat_size_freebsd_ioctl (_img_private_t *env);
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bool init_freebsd_cam (_img_private_t *env);
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void free_freebsd_cam (void *user_data);
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#endif /*HAVE_FREEBSD_CDROM*/
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