[PATCH] kill cdrom ->dev_ioctl method

Since early 2.4.x all cdrom drivers implement the block_device methods
themselves, so they can handle additional ioctls directly instead of going
through the cdrom layer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 351 insertions, 359 deletions

diff --git a/drivers/cdrom/sbpcd.c b/drivers/cdrom/sbpcd.c
index 466e9c2974bd..4760f515f591 100644
--- a/drivers/cdrom/sbpcd.c
+++ b/drivers/cdrom/sbpcd.c
@@ -4160,332 +4160,6 @@ static int sbpcd_get_last_session(struct cdrom_device_info *cdi, struct cdrom_mu
 	return  0;
 }
 
-/*==========================================================================*/
-/*==========================================================================*/
-/*
- * ioctl support
- */
-static int sbpcd_dev_ioctl(struct cdrom_device_info *cdi, u_int cmd,
-		      u_long arg)
-{
-	struct sbpcd_drive *p = cdi->handle;
-	int i;
-	
-	msg(DBG_IO2,"ioctl(%s, 0x%08lX, 0x%08lX)\n", cdi->name, cmd, arg);
-	if (p->drv_id==-1) {
-		msg(DBG_INF, "ioctl: bad device: %s\n", cdi->name);
-		return (-ENXIO);             /* no such drive */
-	}
-	down(&ioctl_read_sem);
-	if (p != current_drive)
-		switch_drive(p);
-	
-	msg(DBG_IO2,"ioctl: device %s, request %04X\n",cdi->name,cmd);
-	switch (cmd) 		/* Sun-compatible */
-	{
-	case DDIOCSDBG:		/* DDI Debug */
-		if (!capable(CAP_SYS_ADMIN)) RETURN_UP(-EPERM);
-		i=sbpcd_dbg_ioctl(arg,1);
-		RETURN_UP(i);
-	case CDROMRESET:      /* hard reset the drive */
-		msg(DBG_IOC,"ioctl: CDROMRESET entered.\n");
-		i=DriveReset();
-		current_drive->audio_state=0;
-		RETURN_UP(i);
-		
-	case CDROMREADMODE1:
-		msg(DBG_IOC,"ioctl: CDROMREADMODE1 requested.\n");
-#ifdef SAFE_MIXED
-		if (current_drive->has_data>1) RETURN_UP(-EBUSY);
-#endif /* SAFE_MIXED */
-		cc_ModeSelect(CD_FRAMESIZE);
-		cc_ModeSense();
-		current_drive->mode=READ_M1;
-		RETURN_UP(0);
-		
-	case CDROMREADMODE2: /* not usable at the moment */
-		msg(DBG_IOC,"ioctl: CDROMREADMODE2 requested.\n");
-#ifdef SAFE_MIXED
-		if (current_drive->has_data>1) RETURN_UP(-EBUSY);
-#endif /* SAFE_MIXED */
-		cc_ModeSelect(CD_FRAMESIZE_RAW1);
-		cc_ModeSense();
-		current_drive->mode=READ_M2;
-		RETURN_UP(0);
-		
-	case CDROMAUDIOBUFSIZ: /* configure the audio buffer size */
-		msg(DBG_IOC,"ioctl: CDROMAUDIOBUFSIZ entered.\n");
-		if (current_drive->sbp_audsiz>0)
-			vfree(current_drive->aud_buf);
-		current_drive->aud_buf=NULL;
-		current_drive->sbp_audsiz=arg;
-		
-		if (current_drive->sbp_audsiz>16)
-		{
-			current_drive->sbp_audsiz = 0;
-			RETURN_UP(current_drive->sbp_audsiz);
-		}
-	
-		if (current_drive->sbp_audsiz>0)
-		{
-			current_drive->aud_buf=(u_char *) vmalloc(current_drive->sbp_audsiz*CD_FRAMESIZE_RAW);
-			if (current_drive->aud_buf==NULL)
-			{
-				msg(DBG_INF,"audio buffer (%d frames) not available.\n",current_drive->sbp_audsiz);
-				current_drive->sbp_audsiz=0;
-			}
-			else msg(DBG_INF,"audio buffer size: %d frames.\n",current_drive->sbp_audsiz);
-		}
-		RETURN_UP(current_drive->sbp_audsiz);
-
-	case CDROMREADAUDIO:
-	{ /* start of CDROMREADAUDIO */
-		int i=0, j=0, frame, block=0;
-		u_int try=0;
-		u_long timeout;
-		u_char *p;
-		u_int data_tries = 0;
-		u_int data_waits = 0;
-		u_int data_retrying = 0;
-		int status_tries;
-		int error_flag;
-		
-		msg(DBG_IOC,"ioctl: CDROMREADAUDIO entered.\n");
-		if (fam0_drive) RETURN_UP(-EINVAL);
-		if (famL_drive) RETURN_UP(-EINVAL);
-		if (famV_drive) RETURN_UP(-EINVAL);
-		if (famT_drive) RETURN_UP(-EINVAL);
-#ifdef SAFE_MIXED
-		if (current_drive->has_data>1) RETURN_UP(-EBUSY);
-#endif /* SAFE_MIXED */ 
-		if (current_drive->aud_buf==NULL) RETURN_UP(-EINVAL);
-		if (copy_from_user(&read_audio, (void __user *)arg,
-				   sizeof(struct cdrom_read_audio)))
-			RETURN_UP(-EFAULT);
-		if (read_audio.nframes < 0 || read_audio.nframes>current_drive->sbp_audsiz) RETURN_UP(-EINVAL);
-		if (!access_ok(VERIFY_WRITE, read_audio.buf,
-			      read_audio.nframes*CD_FRAMESIZE_RAW))
-                	RETURN_UP(-EFAULT);
-		
-		if (read_audio.addr_format==CDROM_MSF) /* MSF-bin specification of where to start */
-			block=msf2lba(&read_audio.addr.msf.minute);
-		else if (read_audio.addr_format==CDROM_LBA) /* lba specification of where to start */
-			block=read_audio.addr.lba;
-		else RETURN_UP(-EINVAL);
-#if 000
-		i=cc_SetSpeed(speed_150,0,0);
-		if (i) msg(DBG_AUD,"read_audio: SetSpeed error %d\n", i);
-#endif
-		msg(DBG_AUD,"read_audio: lba: %d, msf: %06X\n",
-		    block, blk2msf(block));
-		msg(DBG_AUD,"read_audio: before cc_ReadStatus.\n");
-#if OLD_BUSY
-		while (busy_data) sbp_sleep(HZ/10); /* wait a bit */
-		busy_audio=1;
-#endif /* OLD_BUSY */ 
-		error_flag=0;
-		for (data_tries=5; data_tries>0; data_tries--)
-		{
-			msg(DBG_AUD,"data_tries=%d ...\n", data_tries);
-			current_drive->mode=READ_AU;
-			cc_ModeSelect(CD_FRAMESIZE_RAW);
-			cc_ModeSense();
-			for (status_tries=3; status_tries > 0; status_tries--)
-			{
-				flags_cmd_out |= f_respo3;
-				cc_ReadStatus();
-				if (sbp_status() != 0) break;
-				if (st_check) cc_ReadError();
-				sbp_sleep(1);    /* wait a bit, try again */
-			}
-			if (status_tries == 0)
-			{
-				msg(DBG_AUD,"read_audio: sbp_status: failed after 3 tries in line %d.\n", __LINE__);
-				continue;
-			}
-			msg(DBG_AUD,"read_audio: sbp_status: ok.\n");
-			
-			flags_cmd_out = f_putcmd | f_respo2 | f_ResponseStatus | f_obey_p_check;
-			if (fam0L_drive)
-			{
-				flags_cmd_out |= f_lopsta | f_getsta | f_bit1;
-				cmd_type=READ_M2;
-				drvcmd[0]=CMD0_READ_XA; /* "read XA frames", old drives */
-				drvcmd[1]=(block>>16)&0x000000ff;
-				drvcmd[2]=(block>>8)&0x000000ff;
-				drvcmd[3]=block&0x000000ff;
-				drvcmd[4]=0;
-				drvcmd[5]=read_audio.nframes; /* # of frames */
-				drvcmd[6]=0;
-			}
-			else if (fam1_drive)
-			{
-				drvcmd[0]=CMD1_READ; /* "read frames", new drives */
-				lba2msf(block,&drvcmd[1]); /* msf-bin format required */
-				drvcmd[4]=0;
-				drvcmd[5]=0;
-				drvcmd[6]=read_audio.nframes; /* # of frames */
-			}
-			else if (fam2_drive)
-			{
-				drvcmd[0]=CMD2_READ_XA2;
-				lba2msf(block,&drvcmd[1]); /* msf-bin format required */
-				drvcmd[4]=0;
-				drvcmd[5]=read_audio.nframes; /* # of frames */
-				drvcmd[6]=0x11; /* raw mode */
-			}
-			else if (famT_drive) /* CD-55A: not tested yet */
-			{
-			}
-			msg(DBG_AUD,"read_audio: before giving \"read\" command.\n");
-			flags_cmd_out=f_putcmd;
-			response_count=0;
-			i=cmd_out();
-			if (i<0) msg(DBG_INF,"error giving READ AUDIO command: %0d\n", i);
-			sbp_sleep(0);
-			msg(DBG_AUD,"read_audio: after giving \"read\" command.\n");
-			for (frame=1;frame<2 && !error_flag; frame++)
-			{
-				try=maxtim_data;
-				for (timeout=jiffies+9*HZ; ; )
-				{
-					for ( ; try!=0;try--)
-					{
-						j=inb(CDi_status);
-						if (!(j&s_not_data_ready)) break;
-						if (!(j&s_not_result_ready)) break;
-						if (fam0L_drive) if (j&s_attention) break;
-					}
-					if (try != 0 || time_after_eq(jiffies, timeout)) break;
-					if (data_retrying == 0) data_waits++;
-					data_retrying = 1;
-					sbp_sleep(1);
-					try = 1;
-				}
-				if (try==0)
-				{
-					msg(DBG_INF,"read_audio: sbp_data: CDi_status timeout.\n");
-					error_flag++;
-					break;
-				}
-				msg(DBG_AUD,"read_audio: sbp_data: CDi_status ok.\n");
-				if (j&s_not_data_ready)
-				{
-					msg(DBG_INF, "read_audio: sbp_data: DATA_READY timeout.\n");
-					error_flag++;
-					break;
-				}
-				msg(DBG_AUD,"read_audio: before reading data.\n");
-				error_flag=0;
-				p = current_drive->aud_buf;
-				if (sbpro_type==1) OUT(CDo_sel_i_d,1);
-				if (do_16bit)
-				{
-					u_short *p2 = (u_short *) p;
-
-					for (; (u_char *) p2 < current_drive->aud_buf + read_audio.nframes*CD_FRAMESIZE_RAW;)
-				  	{
-						if ((inb_p(CDi_status)&s_not_data_ready)) continue;
-
-						/* get one sample */
-						*p2++ = inw_p(CDi_data);
-						*p2++ = inw_p(CDi_data);
-					}
-				} else {
-					for (; p < current_drive->aud_buf + read_audio.nframes*CD_FRAMESIZE_RAW;)
-				  	{
-						if ((inb_p(CDi_status)&s_not_data_ready)) continue;
-
-						/* get one sample */
-						*p++ = inb_p(CDi_data);
-						*p++ = inb_p(CDi_data);
-						*p++ = inb_p(CDi_data);
-						*p++ = inb_p(CDi_data);
-					}
-				}
-				if (sbpro_type==1) OUT(CDo_sel_i_d,0);
-				data_retrying = 0;
-			}
-			msg(DBG_AUD,"read_audio: after reading data.\n");
-			if (error_flag)    /* must have been spurious D_RDY or (ATTN&&!D_RDY) */
-			{
-				msg(DBG_AUD,"read_audio: read aborted by drive\n");
-#if 0000
-				i=cc_DriveReset();                /* ugly fix to prevent a hang */
-#else
-				i=cc_ReadError();
-#endif
-				continue;
-			}
-			if (fam0L_drive)
-			{
-				i=maxtim_data;
-				for (timeout=jiffies+9*HZ; time_before(jiffies, timeout); timeout--)
-				{
-					for ( ;i!=0;i--)
-					{
-						j=inb(CDi_status);
-						if (!(j&s_not_data_ready)) break;
-						if (!(j&s_not_result_ready)) break;
-						if (j&s_attention) break;
-					}
-					if (i != 0 || time_after_eq(jiffies, timeout)) break;
-					sbp_sleep(0);
-					i = 1;
-				}
-				if (i==0) msg(DBG_AUD,"read_audio: STATUS TIMEOUT AFTER READ");
-				if (!(j&s_attention))
-				{
-					msg(DBG_AUD,"read_audio: sbp_data: timeout waiting DRV_ATTN - retrying\n");
-					i=cc_DriveReset();  /* ugly fix to prevent a hang */
-					continue;
-				}
-			}
-			do
-			{
-				if (fam0L_drive) cc_ReadStatus();
-				i=ResponseStatus();  /* builds status_bits, returns orig. status (old) or faked p_success (new) */
-				if (i<0) { msg(DBG_AUD,
-					       "read_audio: cc_ReadStatus error after read: %02X\n",
-					       current_drive->status_bits);
-					   continue; /* FIXME */
-				   }
-			}
-			while ((fam0L_drive)&&(!st_check)&&(!(i&p_success)));
-			if (st_check)
-			{
-				i=cc_ReadError();
-				msg(DBG_AUD,"read_audio: cc_ReadError was necessary after read: %02X\n",i);
-				continue;
-			}
-			if (copy_to_user(read_audio.buf,
-					 current_drive->aud_buf,
-					 read_audio.nframes * CD_FRAMESIZE_RAW))
-				RETURN_UP(-EFAULT);
-			msg(DBG_AUD,"read_audio: copy_to_user done.\n");
-			break;
-		}
-		cc_ModeSelect(CD_FRAMESIZE);
-		cc_ModeSense();
-		current_drive->mode=READ_M1;
-#if OLD_BUSY
-		busy_audio=0;
-#endif /* OLD_BUSY */ 
-		if (data_tries == 0)
-		{
-			msg(DBG_AUD,"read_audio: failed after 5 tries in line %d.\n", __LINE__);
-			RETURN_UP(-EIO);
-		}
-		msg(DBG_AUD,"read_audio: successful return.\n");
-		RETURN_UP(0);
-	} /* end of CDROMREADAUDIO */
-		
-	default:
-		msg(DBG_IOC,"ioctl: unknown function request %04X\n", cmd);
-		RETURN_UP(-EINVAL);
-	} /* end switch(cmd) */
-}
-
 static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd,
 		       void * arg)
 {
@@ -4530,7 +4204,7 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd,
 		default:
 			RETURN_UP(-EINVAL);
 		}
-		
+
 	case CDROMRESUME: /* resume paused audio play */
 		msg(DBG_IOC,"ioctl: CDROMRESUME entered.\n");
 		/* resume playing audio tracks when a previous PLAY AUDIO call has  */
@@ -4544,12 +4218,12 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd,
 		if (i<0) RETURN_UP(-EIO);
 		current_drive->audio_state=audio_playing;
 		RETURN_UP(0);
-		
+
 	case CDROMPLAYMSF:
 		msg(DBG_IOC,"ioctl: CDROMPLAYMSF entered.\n");
 #ifdef SAFE_MIXED
 		if (current_drive->has_data>1) RETURN_UP(-EBUSY);
-#endif /* SAFE_MIXED */ 
+#endif /* SAFE_MIXED */
 		if (current_drive->audio_state==audio_playing)
 		{
 			i=cc_Pause_Resume(1);
@@ -4584,7 +4258,7 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd,
 		msg(DBG_IOC,"ioctl: CDROMPLAYTRKIND entered.\n");
 #ifdef SAFE_MIXED
 		if (current_drive->has_data>1) RETURN_UP(-EBUSY);
-#endif /* SAFE_MIXED */ 
+#endif /* SAFE_MIXED */
 		if (current_drive->audio_state==audio_playing)
 		{
 			msg(DBG_IOX,"CDROMPLAYTRKIND: already audio_playing.\n");
@@ -4654,13 +4328,13 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd,
 		cc_DriveReset();
 #endif
 		RETURN_UP(i);
-		
+
 	case CDROMSTART:  /* Spin up the drive */
 		msg(DBG_IOC,"ioctl: CDROMSTART entered.\n");
 		cc_SpinUp();
 		current_drive->audio_state=0;
 		RETURN_UP(0);
-		
+
 	case CDROMVOLCTRL:   /* Volume control */
 		msg(DBG_IOC,"ioctl: CDROMVOLCTRL entered.\n");
 		memcpy(&volctrl,(char *) arg,sizeof(volctrl));
@@ -4670,7 +4344,7 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd,
 		current_drive->vol_ctrl1=volctrl.channel1;
 		i=cc_SetVolume();
 		RETURN_UP(0);
-		
+
 	case CDROMVOLREAD:   /* read Volume settings from drive */
 		msg(DBG_IOC,"ioctl: CDROMVOLREAD entered.\n");
 		st=cc_GetVolume();
@@ -4694,7 +4368,7 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd,
 		if (i<0) {
 			j=cc_ReadError(); /* clear out error status from drive */
 			current_drive->audio_state=CDROM_AUDIO_NO_STATUS;
-			/* get and set the disk state here, 
+			/* get and set the disk state here,
 			probably not the right place, but who cares!
 			It makes it work properly! --AJK */
 			if (current_drive->CD_changed==0xFF) {
@@ -4715,8 +4389,8 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd,
 			}
 		}
 		memcpy(&SC, (void *) arg, sizeof(struct cdrom_subchnl));
-		/* 
-			This virtual crap is very bogus! 
+		/*
+			This virtual crap is very bogus!
 			It doesn't detect when the cd is done playing audio!
 			Lets do this right with proper hardware register reading!
 		*/
@@ -4775,7 +4449,7 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd,
 		    SC.cdsc_trk,SC.cdsc_ind,
 		    SC.cdsc_absaddr,SC.cdsc_reladdr);
 		RETURN_UP(0);
-		
+
 	default:
 		msg(DBG_IOC,"ioctl: unknown function request %04X\n", cmd);
 		RETURN_UP(-EINVAL);
@@ -4788,7 +4462,7 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd,
 static void sbp_transfer(struct request *req)
 {
 	long offs;
-	
+
 	while ( (req->nr_sectors > 0) &&
 	       (req->sector/4 >= current_drive->sbp_first_frame) &&
 	       (req->sector/4 <= current_drive->sbp_last_frame) )
@@ -4807,11 +4481,11 @@ static void sbp_transfer(struct request *req)
  *
  *  This is a kludge so we don't need to modify end_request.
  *  We put the req we take out after INIT_REQUEST in the requests list,
- *  so that end_request will discard it. 
+ *  so that end_request will discard it.
  *
  *  The bug could be present in other block devices, perhaps we
  *  should modify INIT_REQUEST and end_request instead, and
- *  change every block device.. 
+ *  change every block device..
  *
  *  Could be a race here?? Could e.g. a timer interrupt schedule() us?
  *  If so, we should copy end_request here, and do it right.. (or
@@ -4883,19 +4557,19 @@ static void do_sbpcd_request(request_queue_t * q)
 	while (busy_audio) sbp_sleep(HZ); /* wait a bit */
 	busy_data=1;
 #endif /* OLD_BUSY */
-	
+
 	if (p->audio_state==audio_playing) goto err_done;
 	if (p != current_drive)
 		switch_drive(p);
 
 	block = req->sector; /* always numbered as 512-byte-pieces */
 	nsect = req->nr_sectors; /* always counted as 512-byte-pieces */
-	
+
 	msg(DBG_BSZ,"read sector %d (%d sectors)\n", block, nsect);
 #if 0
 	msg(DBG_MUL,"read LBA %d\n", block/4);
 #endif
-	
+
 	sbp_transfer(req);
 	/* if we satisfied the request from the buffer, we're done. */
 	if (req->nr_sectors == 0)
@@ -4914,10 +4588,10 @@ static void do_sbpcd_request(request_queue_t * q)
 	i=prepare(0,0); /* at moment not really a hassle check, but ... */
 	if (i!=0)
 		msg(DBG_INF,"\"prepare\" tells error %d -- ignored\n", i);
-#endif /* FUTURE */ 
-	
+#endif /* FUTURE */
+
 	if (!st_spinning) cc_SpinUp();
-	
+
 	for (data_tries=n_retries; data_tries > 0; data_tries--)
 	{
 		for (status_tries=3; status_tries > 0; status_tries--)
@@ -4940,7 +4614,7 @@ static void do_sbpcd_request(request_queue_t * q)
 		{
 #ifdef SAFE_MIXED
 			current_drive->has_data=2; /* is really a data disk */
-#endif /* SAFE_MIXED */ 
+#endif /* SAFE_MIXED */
 #ifdef DEBUG_GTL
 			printk(" do_sbpcd_request[%do](%p:%ld+%ld) end 3, Time:%li\n",
 				xnr, req, req->sector, req->nr_sectors, jiffies);
@@ -4951,7 +4625,7 @@ static void do_sbpcd_request(request_queue_t * q)
 			goto request_loop;
 		}
 	}
-	
+
  err_done:
 #if OLD_BUSY
 	busy_data=0;
@@ -4976,7 +4650,7 @@ static void sbp_read_cmd(struct request *req)
 
 	int i;
 	int block;
-	
+
 	current_drive->sbp_first_frame=current_drive->sbp_last_frame=-1;      /* purge buffer */
 	current_drive->sbp_current = 0;
 	block=req->sector/4;
@@ -4993,7 +4667,7 @@ static void sbp_read_cmd(struct request *req)
 			current_drive->sbp_read_frames=1;
 		}
 	}
-	
+
 	flags_cmd_out = f_putcmd | f_respo2 | f_ResponseStatus | f_obey_p_check;
 	clr_cmdbuf();
 	if (famV_drive)
@@ -5092,7 +4766,7 @@ static int sbp_data(struct request *req)
 	int success;
 	int wait;
 	int duration;
-	
+
 	error_flag=0;
 	success=0;
 #if LONG_TIMING
@@ -5105,12 +4779,12 @@ static int sbp_data(struct request *req)
 	for (frame=0;frame<current_drive->sbp_read_frames&&!error_flag; frame++)
 	{
 		SBPCD_CLI;
-		
+
 		del_timer(&data_timer);
 		data_timer.expires=jiffies+max_latency;
 		timed_out_data=0;
 		add_timer(&data_timer);
-		while (!timed_out_data) 
+		while (!timed_out_data)
 		{
 			if (current_drive->f_multisession) try=maxtim_data*4;
 			else try=maxtim_data;
@@ -5207,9 +4881,9 @@ static int sbp_data(struct request *req)
                         else
                           {
                             sbp_sleep(1);
-                            OUT(CDo_sel_i_d,0); 
+                            OUT(CDo_sel_i_d,0);
                             i=inb(CDi_status);
-                          } 
+                          }
 			if (!(i&s_not_data_ready))
 			{
 				OUT(CDo_sel_i_d,1);
@@ -5311,7 +4985,7 @@ static int sbp_data(struct request *req)
 		}
 		SBPCD_STI;
 	}
-	
+
 #if 0
 	if (!success)
 #endif
@@ -5370,7 +5044,326 @@ static int sbpcd_block_ioctl(struct inode *inode, struct file *file,
 				unsigned cmd, unsigned long arg)
 {
 	struct sbpcd_drive *p = inode->i_bdev->bd_disk->private_data;
-	return cdrom_ioctl(file, p->sbpcd_infop, inode, cmd, arg);
+	struct cdrom_device_info *cdi = p->sbpcd_infop;
+	int ret, i;
+
+	ret = cdrom_ioctl(file, p->sbpcd_infop, inode, cmd, arg);
+	if (ret != -ENOSYS)
+		return ret;
+
+	msg(DBG_IO2,"ioctl(%s, 0x%08lX, 0x%08lX)\n", cdi->name, cmd, arg);
+	if (p->drv_id==-1) {
+		msg(DBG_INF, "ioctl: bad device: %s\n", cdi->name);
+		return (-ENXIO);             /* no such drive */
+	}
+	down(&ioctl_read_sem);
+	if (p != current_drive)
+		switch_drive(p);
+	
+	msg(DBG_IO2,"ioctl: device %s, request %04X\n",cdi->name,cmd);
+	switch (cmd) 		/* Sun-compatible */
+	{
+	case DDIOCSDBG:		/* DDI Debug */
+		if (!capable(CAP_SYS_ADMIN)) RETURN_UP(-EPERM);
+		i=sbpcd_dbg_ioctl(arg,1);
+		RETURN_UP(i);
+	case CDROMRESET:      /* hard reset the drive */
+		msg(DBG_IOC,"ioctl: CDROMRESET entered.\n");
+		i=DriveReset();
+		current_drive->audio_state=0;
+		RETURN_UP(i);
+
+	case CDROMREADMODE1:
+		msg(DBG_IOC,"ioctl: CDROMREADMODE1 requested.\n");
+#ifdef SAFE_MIXED
+		if (current_drive->has_data>1) RETURN_UP(-EBUSY);
+#endif /* SAFE_MIXED */
+		cc_ModeSelect(CD_FRAMESIZE);
+		cc_ModeSense();
+		current_drive->mode=READ_M1;
+		RETURN_UP(0);
+
+	case CDROMREADMODE2: /* not usable at the moment */
+		msg(DBG_IOC,"ioctl: CDROMREADMODE2 requested.\n");
+#ifdef SAFE_MIXED
+		if (current_drive->has_data>1) RETURN_UP(-EBUSY);
+#endif /* SAFE_MIXED */
+		cc_ModeSelect(CD_FRAMESIZE_RAW1);
+		cc_ModeSense();
+		current_drive->mode=READ_M2;
+		RETURN_UP(0);
+
+	case CDROMAUDIOBUFSIZ: /* configure the audio buffer size */
+		msg(DBG_IOC,"ioctl: CDROMAUDIOBUFSIZ entered.\n");
+		if (current_drive->sbp_audsiz>0)
+			vfree(current_drive->aud_buf);
+		current_drive->aud_buf=NULL;
+		current_drive->sbp_audsiz=arg;
+
+		if (current_drive->sbp_audsiz>16)
+		{
+			current_drive->sbp_audsiz = 0;
+			RETURN_UP(current_drive->sbp_audsiz);
+		}
+	
+		if (current_drive->sbp_audsiz>0)
+		{
+			current_drive->aud_buf=(u_char *) vmalloc(current_drive->sbp_audsiz*CD_FRAMESIZE_RAW);
+			if (current_drive->aud_buf==NULL)
+			{
+				msg(DBG_INF,"audio buffer (%d frames) not available.\n",current_drive->sbp_audsiz);
+				current_drive->sbp_audsiz=0;
+			}
+			else msg(DBG_INF,"audio buffer size: %d frames.\n",current_drive->sbp_audsiz);
+		}
+		RETURN_UP(current_drive->sbp_audsiz);
+
+	case CDROMREADAUDIO:
+	{ /* start of CDROMREADAUDIO */
+		int i=0, j=0, frame, block=0;
+		u_int try=0;
+		u_long timeout;
+		u_char *p;
+		u_int data_tries = 0;
+		u_int data_waits = 0;
+		u_int data_retrying = 0;
+		int status_tries;
+		int error_flag;
+
+		msg(DBG_IOC,"ioctl: CDROMREADAUDIO entered.\n");
+		if (fam0_drive) RETURN_UP(-EINVAL);
+		if (famL_drive) RETURN_UP(-EINVAL);
+		if (famV_drive) RETURN_UP(-EINVAL);
+		if (famT_drive) RETURN_UP(-EINVAL);
+#ifdef SAFE_MIXED
+		if (current_drive->has_data>1) RETURN_UP(-EBUSY);
+#endif /* SAFE_MIXED */
+		if (current_drive->aud_buf==NULL) RETURN_UP(-EINVAL);
+		if (copy_from_user(&read_audio, (void __user *)arg,
+				   sizeof(struct cdrom_read_audio)))
+			RETURN_UP(-EFAULT);
+		if (read_audio.nframes < 0 || read_audio.nframes>current_drive->sbp_audsiz) RETURN_UP(-EINVAL);
+		if (!access_ok(VERIFY_WRITE, read_audio.buf,
+			      read_audio.nframes*CD_FRAMESIZE_RAW))
+                	RETURN_UP(-EFAULT);
+
+		if (read_audio.addr_format==CDROM_MSF) /* MSF-bin specification of where to start */
+			block=msf2lba(&read_audio.addr.msf.minute);
+		else if (read_audio.addr_format==CDROM_LBA) /* lba specification of where to start */
+			block=read_audio.addr.lba;
+		else RETURN_UP(-EINVAL);
+#if 000
+		i=cc_SetSpeed(speed_150,0,0);
+		if (i) msg(DBG_AUD,"read_audio: SetSpeed error %d\n", i);
+#endif
+		msg(DBG_AUD,"read_audio: lba: %d, msf: %06X\n",
+		    block, blk2msf(block));
+		msg(DBG_AUD,"read_audio: before cc_ReadStatus.\n");
+#if OLD_BUSY
+		while (busy_data) sbp_sleep(HZ/10); /* wait a bit */
+		busy_audio=1;
+#endif /* OLD_BUSY */
+		error_flag=0;
+		for (data_tries=5; data_tries>0; data_tries--)
+		{
+			msg(DBG_AUD,"data_tries=%d ...\n", data_tries);
+			current_drive->mode=READ_AU;
+			cc_ModeSelect(CD_FRAMESIZE_RAW);
+			cc_ModeSense();
+			for (status_tries=3; status_tries > 0; status_tries--)
+			{
+				flags_cmd_out |= f_respo3;
+				cc_ReadStatus();
+				if (sbp_status() != 0) break;
+				if (st_check) cc_ReadError();
+				sbp_sleep(1);    /* wait a bit, try again */
+			}
+			if (status_tries == 0)
+			{
+				msg(DBG_AUD,"read_audio: sbp_status: failed after 3 tries in line %d.\n", __LINE__);
+				continue;
+			}
+			msg(DBG_AUD,"read_audio: sbp_status: ok.\n");
+
+			flags_cmd_out = f_putcmd | f_respo2 | f_ResponseStatus | f_obey_p_check;
+			if (fam0L_drive)
+			{
+				flags_cmd_out |= f_lopsta | f_getsta | f_bit1;
+				cmd_type=READ_M2;
+				drvcmd[0]=CMD0_READ_XA; /* "read XA frames", old drives */
+				drvcmd[1]=(block>>16)&0x000000ff;
+				drvcmd[2]=(block>>8)&0x000000ff;
+				drvcmd[3]=block&0x000000ff;
+				drvcmd[4]=0;
+				drvcmd[5]=read_audio.nframes; /* # of frames */
+				drvcmd[6]=0;
+			}
+			else if (fam1_drive)
+			{
+				drvcmd[0]=CMD1_READ; /* "read frames", new drives */
+				lba2msf(block,&drvcmd[1]); /* msf-bin format required */
+				drvcmd[4]=0;
+				drvcmd[5]=0;
+				drvcmd[6]=read_audio.nframes; /* # of frames */
+			}
+			else if (fam2_drive)
+			{
+				drvcmd[0]=CMD2_READ_XA2;
+				lba2msf(block,&drvcmd[1]); /* msf-bin format required */
+				drvcmd[4]=0;
+				drvcmd[5]=read_audio.nframes; /* # of frames */
+				drvcmd[6]=0x11; /* raw mode */
+			}
+			else if (famT_drive) /* CD-55A: not tested yet */
+			{
+			}
+			msg(DBG_AUD,"read_audio: before giving \"read\" command.\n");
+			flags_cmd_out=f_putcmd;
+			response_count=0;
+			i=cmd_out();
+			if (i<0) msg(DBG_INF,"error giving READ AUDIO command: %0d\n", i);
+			sbp_sleep(0);
+			msg(DBG_AUD,"read_audio: after giving \"read\" command.\n");
+			for (frame=1;frame<2 && !error_flag; frame++)
+			{
+				try=maxtim_data;
+				for (timeout=jiffies+9*HZ; ; )
+				{
+					for ( ; try!=0;try--)
+					{
+						j=inb(CDi_status);
+						if (!(j&s_not_data_ready)) break;
+						if (!(j&s_not_result_ready)) break;
+						if (fam0L_drive) if (j&s_attention) break;
+					}
+					if (try != 0 || time_after_eq(jiffies, timeout)) break;
+					if (data_retrying == 0) data_waits++;
+					data_retrying = 1;
+					sbp_sleep(1);
+					try = 1;
+				}
+				if (try==0)
+				{
+					msg(DBG_INF,"read_audio: sbp_data: CDi_status timeout.\n");
+					error_flag++;
+					break;
+				}
+				msg(DBG_AUD,"read_audio: sbp_data: CDi_status ok.\n");
+				if (j&s_not_data_ready)
+				{
+					msg(DBG_INF, "read_audio: sbp_data: DATA_READY timeout.\n");
+					error_flag++;
+					break;
+				}
+				msg(DBG_AUD,"read_audio: before reading data.\n");
+				error_flag=0;
+				p = current_drive->aud_buf;
+				if (sbpro_type==1) OUT(CDo_sel_i_d,1);
+				if (do_16bit)
+				{
+					u_short *p2 = (u_short *) p;
+
+					for (; (u_char *) p2 < current_drive->aud_buf + read_audio.nframes*CD_FRAMESIZE_RAW;)
+				  	{
+						if ((inb_p(CDi_status)&s_not_data_ready)) continue;
+
+						/* get one sample */
+						*p2++ = inw_p(CDi_data);
+						*p2++ = inw_p(CDi_data);
+					}
+				} else {
+					for (; p < current_drive->aud_buf + read_audio.nframes*CD_FRAMESIZE_RAW;)
+				  	{
+						if ((inb_p(CDi_status)&s_not_data_ready)) continue;
+
+						/* get one sample */
+						*p++ = inb_p(CDi_data);
+						*p++ = inb_p(CDi_data);
+						*p++ = inb_p(CDi_data);
+						*p++ = inb_p(CDi_data);
+					}
+				}
+				if (sbpro_type==1) OUT(CDo_sel_i_d,0);
+				data_retrying = 0;
+			}
+			msg(DBG_AUD,"read_audio: after reading data.\n");
+			if (error_flag)    /* must have been spurious D_RDY or (ATTN&&!D_RDY) */
+			{
+				msg(DBG_AUD,"read_audio: read aborted by drive\n");
+#if 0000
+				i=cc_DriveReset();                /* ugly fix to prevent a hang */
+#else
+				i=cc_ReadError();
+#endif
+				continue;
+			}
+			if (fam0L_drive)
+			{
+				i=maxtim_data;
+				for (timeout=jiffies+9*HZ; time_before(jiffies, timeout); timeout--)
+				{
+					for ( ;i!=0;i--)
+					{
+						j=inb(CDi_status);
+						if (!(j&s_not_data_ready)) break;
+						if (!(j&s_not_result_ready)) break;
+						if (j&s_attention) break;
+					}
+					if (i != 0 || time_after_eq(jiffies, timeout)) break;
+					sbp_sleep(0);
+					i = 1;
+				}
+				if (i==0) msg(DBG_AUD,"read_audio: STATUS TIMEOUT AFTER READ");
+				if (!(j&s_attention))
+				{
+					msg(DBG_AUD,"read_audio: sbp_data: timeout waiting DRV_ATTN - retrying\n");
+					i=cc_DriveReset();  /* ugly fix to prevent a hang */
+					continue;
+				}
+			}
+			do
+			{
+				if (fam0L_drive) cc_ReadStatus();
+				i=ResponseStatus();  /* builds status_bits, returns orig. status (old) or faked p_success (new) */
+				if (i<0) { msg(DBG_AUD,
+					       "read_audio: cc_ReadStatus error after read: %02X\n",
+					       current_drive->status_bits);
+					   continue; /* FIXME */
+				   }
+			}
+			while ((fam0L_drive)&&(!st_check)&&(!(i&p_success)));
+			if (st_check)
+			{
+				i=cc_ReadError();
+				msg(DBG_AUD,"read_audio: cc_ReadError was necessary after read: %02X\n",i);
+				continue;
+			}
+			if (copy_to_user(read_audio.buf,
+					 current_drive->aud_buf,
+					 read_audio.nframes * CD_FRAMESIZE_RAW))
+				RETURN_UP(-EFAULT);
+			msg(DBG_AUD,"read_audio: copy_to_user done.\n");
+			break;
+		}
+		cc_ModeSelect(CD_FRAMESIZE);
+		cc_ModeSense();
+		current_drive->mode=READ_M1;
+#if OLD_BUSY
+		busy_audio=0;
+#endif /* OLD_BUSY */
+		if (data_tries == 0)
+		{
+			msg(DBG_AUD,"read_audio: failed after 5 tries in line %d.\n", __LINE__);
+			RETURN_UP(-EIO);
+		}
+		msg(DBG_AUD,"read_audio: successful return.\n");
+		RETURN_UP(0);
+	} /* end of CDROMREADAUDIO */
+
+	default:
+		msg(DBG_IOC,"ioctl: unknown function request %04X\n", cmd);
+		RETURN_UP(-EINVAL);
+	} /* end switch(cmd) */
 }
 
 static int sbpcd_block_media_changed(struct gendisk *disk)
@@ -5478,10 +5471,9 @@ static struct cdrom_device_ops sbpcd_dops = {
 	.get_mcn		= sbpcd_get_mcn,
 	.reset			= sbpcd_reset,
 	.audio_ioctl		= sbpcd_audio_ioctl,
-	.dev_ioctl		= sbpcd_dev_ioctl,
 	.capability		= CDC_CLOSE_TRAY | CDC_OPEN_TRAY | CDC_LOCK |
 				CDC_MULTI_SESSION | CDC_MEDIA_CHANGED |
-				CDC_MCN | CDC_PLAY_AUDIO | CDC_IOCTLS,
+				CDC_MCN | CDC_PLAY_AUDIO,
 	.n_minors		= 1,
 };