Esempio n. 1
0
static int
mcdx_playtrk(struct s_drive_stuff *stuffp, const struct cdrom_ti *ti)
{
	struct s_subqcode *p;
	struct cdrom_msf msf;

	if (-1 == mcdx_readtoc(stuffp))
		return -1;

	if (ti)
		p = &stuffp->toc[ti->cdti_trk0 - stuffp->di.n_first];
	else
		p = &stuffp->start;

	msf.cdmsf_min0 = p->dt.minute;
	msf.cdmsf_sec0 = p->dt.second;
	msf.cdmsf_frame0 = p->dt.frame;

	if (ti) {
		p = &stuffp->toc[ti->cdti_trk1 - stuffp->di.n_first + 1];
		stuffp->stop = *p;
	} else
		p = &stuffp->stop;

	msf.cdmsf_min1 = p->dt.minute;
	msf.cdmsf_sec1 = p->dt.second;
	msf.cdmsf_frame1 = p->dt.frame;

	return mcdx_playmsf(stuffp, &msf);
}
static int mcdx_audio_ioctl(struct cdrom_device_info *cdi,
			    unsigned int cmd, void *arg)
{
	struct s_drive_stuff *stuffp = cdi->handle;

	if (!stuffp->present)
		return -ENXIO;

	if (stuffp->xxx) {
		if (-1 == mcdx_requesttocdata(stuffp, &stuffp->di, 1)) {
			stuffp->lastsector = -1;
		} else {
			stuffp->lastsector = (CD_FRAMESIZE / 512)
			    * msf2log(&stuffp->di.msf_leadout) - 1;
		}

		if (stuffp->toc) {
			kfree(stuffp->toc);
			stuffp->toc = NULL;
			if (-1 == mcdx_readtoc(stuffp))
				return -1;
		}

		stuffp->xxx = 0;
	}

	switch (cmd) {
	case CDROMSTART:{
			xtrace(IOCTL, "ioctl() START\n");
			/* Spin up the drive.  Don't think we can do this.
			   * For now, ignore it.
			 */
			return 0;
		}

	case CDROMSTOP:{
			xtrace(IOCTL, "ioctl() STOP\n");
			stuffp->audiostatus = CDROM_AUDIO_INVALID;
			if (-1 == mcdx_stop(stuffp, 1))
				return -EIO;
			return 0;
		}

	case CDROMPLAYTRKIND:{
			struct cdrom_ti *ti = (struct cdrom_ti *) arg;

			xtrace(IOCTL, "ioctl() PLAYTRKIND\n");
			if ((ti->cdti_trk0 < stuffp->di.n_first)
			    || (ti->cdti_trk0 > stuffp->di.n_last)
			    || (ti->cdti_trk1 < stuffp->di.n_first))
				return -EINVAL;
			if (ti->cdti_trk1 > stuffp->di.n_last)
				ti->cdti_trk1 = stuffp->di.n_last;
			xtrace(PLAYTRK, "ioctl() track %d to %d\n",
			       ti->cdti_trk0, ti->cdti_trk1);
			return mcdx_playtrk(stuffp, ti);
		}

	case CDROMPLAYMSF:{
			struct cdrom_msf *msf = (struct cdrom_msf *) arg;

			xtrace(IOCTL, "ioctl() PLAYMSF\n");

			if ((stuffp->audiostatus == CDROM_AUDIO_PLAY)
			    && (-1 == mcdx_hold(stuffp, 1)))
				return -EIO;

			msf->cdmsf_min0 = uint2bcd(msf->cdmsf_min0);
			msf->cdmsf_sec0 = uint2bcd(msf->cdmsf_sec0);
			msf->cdmsf_frame0 = uint2bcd(msf->cdmsf_frame0);

			msf->cdmsf_min1 = uint2bcd(msf->cdmsf_min1);
			msf->cdmsf_sec1 = uint2bcd(msf->cdmsf_sec1);
			msf->cdmsf_frame1 = uint2bcd(msf->cdmsf_frame1);

			stuffp->stop.dt.minute = msf->cdmsf_min1;
			stuffp->stop.dt.second = msf->cdmsf_sec1;
			stuffp->stop.dt.frame = msf->cdmsf_frame1;

			return mcdx_playmsf(stuffp, msf);
		}

	case CDROMRESUME:{
			xtrace(IOCTL, "ioctl() RESUME\n");
			return mcdx_playtrk(stuffp, NULL);
		}

	case CDROMREADTOCENTRY:{
			struct cdrom_tocentry *entry =
			    (struct cdrom_tocentry *) arg;
			struct s_subqcode *tp = NULL;
			xtrace(IOCTL, "ioctl() READTOCENTRY\n");

			if (-1 == mcdx_readtoc(stuffp))
				return -1;
			if (entry->cdte_track == CDROM_LEADOUT)
				tp = &stuffp->toc[stuffp->di.n_last -
						  stuffp->di.n_first + 1];
			else if (entry->cdte_track > stuffp->di.n_last
				 || entry->cdte_track < stuffp->di.n_first)
				return -EINVAL;
			else
				tp = &stuffp->toc[entry->cdte_track -
						  stuffp->di.n_first];

			if (NULL == tp)
				return -EIO;
			entry->cdte_adr = tp->control;
			entry->cdte_ctrl = tp->control >> 4;
			/* Always return stuff in MSF, and let the Uniform cdrom driver
			   worry about what the user actually wants */
			entry->cdte_addr.msf.minute =
			    bcd2uint(tp->dt.minute);
			entry->cdte_addr.msf.second =
			    bcd2uint(tp->dt.second);
			entry->cdte_addr.msf.frame =
			    bcd2uint(tp->dt.frame);
			return 0;
		}

	case CDROMSUBCHNL:{
			struct cdrom_subchnl *sub =
			    (struct cdrom_subchnl *) arg;
			struct s_subqcode q;

			xtrace(IOCTL, "ioctl() SUBCHNL\n");

			if (-1 == mcdx_requestsubqcode(stuffp, &q, 2))
				return -EIO;

			xtrace(SUBCHNL, "audiostatus: %x\n",
			       stuffp->audiostatus);
			sub->cdsc_audiostatus = stuffp->audiostatus;
			sub->cdsc_adr = q.control;
			sub->cdsc_ctrl = q.control >> 4;
			sub->cdsc_trk = bcd2uint(q.tno);
			sub->cdsc_ind = bcd2uint(q.index);

			xtrace(SUBCHNL, "trk %d, ind %d\n",
			       sub->cdsc_trk, sub->cdsc_ind);
			/* Always return stuff in MSF, and let the Uniform cdrom driver
			   worry about what the user actually wants */
			sub->cdsc_absaddr.msf.minute =
			    bcd2uint(q.dt.minute);
			sub->cdsc_absaddr.msf.second =
			    bcd2uint(q.dt.second);
			sub->cdsc_absaddr.msf.frame = bcd2uint(q.dt.frame);
			sub->cdsc_reladdr.msf.minute =
			    bcd2uint(q.tt.minute);
			sub->cdsc_reladdr.msf.second =
			    bcd2uint(q.tt.second);
			sub->cdsc_reladdr.msf.frame = bcd2uint(q.tt.frame);
			xtrace(SUBCHNL,
			       "msf: abs %02d:%02d:%02d, rel %02d:%02d:%02d\n",
			       sub->cdsc_absaddr.msf.minute,
			       sub->cdsc_absaddr.msf.second,
			       sub->cdsc_absaddr.msf.frame,
			       sub->cdsc_reladdr.msf.minute,
			       sub->cdsc_reladdr.msf.second,
			       sub->cdsc_reladdr.msf.frame);

			return 0;
		}

	case CDROMREADTOCHDR:{
			struct cdrom_tochdr *toc =
			    (struct cdrom_tochdr *) arg;

			xtrace(IOCTL, "ioctl() READTOCHDR\n");
			toc->cdth_trk0 = stuffp->di.n_first;
			toc->cdth_trk1 = stuffp->di.n_last;
			xtrace(TOCHDR,
			       "ioctl() track0 = %d, track1 = %d\n",
			       stuffp->di.n_first, stuffp->di.n_last);
			return 0;
		}

	case CDROMPAUSE:{
			xtrace(IOCTL, "ioctl() PAUSE\n");
			if (stuffp->audiostatus != CDROM_AUDIO_PLAY)
				return -EINVAL;
			if (-1 == mcdx_stop(stuffp, 1))
				return -EIO;
			stuffp->audiostatus = CDROM_AUDIO_PAUSED;
			if (-1 ==
			    mcdx_requestsubqcode(stuffp, &stuffp->start,
						 1))
				return -EIO;
			return 0;
		}

	case CDROMMULTISESSION:{
			struct cdrom_multisession *ms =
			    (struct cdrom_multisession *) arg;
			xtrace(IOCTL, "ioctl() MULTISESSION\n");
			/* Always return stuff in LBA, and let the Uniform cdrom driver
			   worry about what the user actually wants */
			ms->addr.lba = msf2log(&stuffp->multi.msf_last);
			ms->xa_flag = !!stuffp->multi.multi;
			xtrace(MS,
			       "ioctl() (%d, 0x%08x [%02x:%02x.%02x])\n",
			       ms->xa_flag, ms->addr.lba,
			       stuffp->multi.msf_last.minute,
			       stuffp->multi.msf_last.second,
			       stuffp->multi.msf_last.frame);

			return 0;
		}

	case CDROMEJECT:{
			xtrace(IOCTL, "ioctl() EJECT\n");
			if (stuffp->users > 1)
				return -EBUSY;
			return (mcdx_tray_move(cdi, 1));
		}

	case CDROMCLOSETRAY:{
			xtrace(IOCTL, "ioctl() CDROMCLOSETRAY\n");
			return (mcdx_tray_move(cdi, 0));
		}

	case CDROMVOLCTRL:{
			struct cdrom_volctrl *volctrl =
			    (struct cdrom_volctrl *) arg;
			xtrace(IOCTL, "ioctl() VOLCTRL\n");

#if 0				/* not tested! */
			/* adjust for the weirdness of workman (md) */
			/* can't test it (hs) */
			volctrl.channel2 = volctrl.channel1;
			volctrl.channel1 = volctrl.channel3 = 0x00;
#endif
			return mcdx_setattentuator(stuffp, volctrl, 2);
		}

	default:
		return -EINVAL;
	}
}