1 files changed, 100 insertions, 272 deletions

diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c
index 764613b2f4b4..21546659ff07 100644
--- a/drivers/staging/dgnc/dgnc_driver.c
+++ b/drivers/staging/dgnc/dgnc_driver.c
@@ -57,7 +57,7 @@ MODULE_SUPPORTED_DEVICE("dgnc");
  */
 PARM_INT(debug,		0x00,		0644,	"Driver debugging level");
 PARM_INT(rawreadok,	1,		0644,	"Bypass flip buffers on input");
-PARM_INT(trcbuf_size,	0x100000,	0644, 	"Debugging trace buffer size.");
+PARM_INT(trcbuf_size,	0x100000,	0644,	"Debugging trace buffer size.");
 
 /**************************************************************************
  *
@@ -70,26 +70,15 @@ static void		dgnc_init_globals(void);
 static int		dgnc_found_board(struct pci_dev *pdev, int id);
 static void		dgnc_cleanup_board(struct dgnc_board *brd);
 static void		dgnc_poll_handler(ulong dummy);
-static int		dgnc_init_pci(void);
 static int		dgnc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
-static void		dgnc_remove_one(struct pci_dev *dev);
-static int		dgnc_probe1(struct pci_dev *pdev, int card_type);
 static void		dgnc_do_remap(struct dgnc_board *brd);
 
-/* Driver load/unload functions */
-int		dgnc_init_module(void);
-void		dgnc_cleanup_module(void);
-
-module_init(dgnc_init_module);
-module_exit(dgnc_cleanup_module);
-
-
 /*
  * File operations permitted on Control/Management major.
  */
 static const struct file_operations dgnc_BoardFops = {
 	.owner		=	THIS_MODULE,
-	.unlocked_ioctl =  	dgnc_mgmt_ioctl,
+	.unlocked_ioctl =	dgnc_mgmt_ioctl,
 	.open		=	dgnc_mgmt_open,
 	.release	=	dgnc_mgmt_close
 };
@@ -101,23 +90,18 @@ static const struct file_operations dgnc_BoardFops = {
 uint			dgnc_NumBoards;
 struct dgnc_board		*dgnc_Board[MAXBOARDS];
 DEFINE_SPINLOCK(dgnc_global_lock);
-int			dgnc_driver_state = DRIVER_INITIALIZED;
-ulong			dgnc_poll_counter;
 uint			dgnc_Major;
 int			dgnc_poll_tick = 20;	/* Poll interval - 20 ms */
 
 /*
  * Static vars.
  */
-static uint		dgnc_Major_Control_Registered = FALSE;
-static uint		dgnc_driver_start = FALSE;
-
 static struct class *dgnc_class;
 
 /*
  * Poller stuff
  */
-static 			DEFINE_SPINLOCK(dgnc_poll_lock);	/* Poll scheduling lock */
+static DEFINE_SPINLOCK(dgnc_poll_lock); /* Poll scheduling lock */
 static ulong		dgnc_poll_time;				/* Time of next poll */
 static uint		dgnc_poll_stop;				/* Used to tell poller to stop */
 static struct timer_list dgnc_poll_timer;
@@ -128,25 +112,12 @@ static struct pci_device_id dgnc_pci_tbl[] = {
 	{	DIGI_VID, PCI_DEVICE_CLASSIC_4_422_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	1 },
 	{	DIGI_VID, PCI_DEVICE_CLASSIC_8_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	2 },
 	{	DIGI_VID, PCI_DEVICE_CLASSIC_8_422_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	3 },
-	{	DIGI_VID, PCI_DEVICE_NEO_4_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,		4 },
-	{	DIGI_VID, PCI_DEVICE_NEO_8_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,		5 },
-	{	DIGI_VID, PCI_DEVICE_NEO_2DB9_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	6 },
-	{	DIGI_VID, PCI_DEVICE_NEO_2DB9PRI_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	7 },
-	{	DIGI_VID, PCI_DEVICE_NEO_2RJ45_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	8 },
-	{	DIGI_VID, PCI_DEVICE_NEO_2RJ45PRI_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	9 },
-	{	DIGI_VID, PCI_DEVICE_NEO_1_422_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	10 },
-	{	DIGI_VID, PCI_DEVICE_NEO_1_422_485_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	11 },
-	{	DIGI_VID, PCI_DEVICE_NEO_2_422_485_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	12 },
-	{	DIGI_VID, PCI_DEVICE_NEO_EXPRESS_8_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	 13 },
-	{	DIGI_VID, PCI_DEVICE_NEO_EXPRESS_4_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	14 },
-	{	DIGI_VID, PCI_DEVICE_NEO_EXPRESS_4RJ45_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	15 },
-	{	DIGI_VID, PCI_DEVICE_NEO_EXPRESS_8RJ45_DID, PCI_ANY_ID, PCI_ANY_ID, 0, 0,	16 },
 	{0,}						/* 0 terminated list. */
 };
 MODULE_DEVICE_TABLE(pci, dgnc_pci_tbl);
 
 struct board_id {
-	uchar *name;
+	unsigned char *name;
 	uint maxports;
 	unsigned int is_pci_express;
 };
@@ -176,7 +147,6 @@ static struct pci_driver dgnc_driver = {
 	.name		= "dgnc",
 	.probe		= dgnc_init_one,
 	.id_table       = dgnc_pci_tbl,
-	.remove		= dgnc_remove_one,
 };
 
 
@@ -186,12 +156,6 @@ char *dgnc_state_text[] = {
 	"Board READY",
 };
 
-char *dgnc_driver_state_text[] = {
-	"Driver Initialized",
-	"Driver Ready."
-};
-
-
 
 /************************************************************************
  *
@@ -199,13 +163,47 @@ char *dgnc_driver_state_text[] = {
  *
  ************************************************************************/
 
+/*
+ * dgnc_cleanup_module()
+ *
+ * Module unload.  This is where it all ends.
+ */
+static void dgnc_cleanup_module(void)
+{
+	int i;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dgnc_poll_lock, flags);
+	dgnc_poll_stop = 1;
+	spin_unlock_irqrestore(&dgnc_poll_lock, flags);
+
+	/* Turn off poller right away. */
+	del_timer_sync(&dgnc_poll_timer);
+
+	dgnc_remove_driver_sysfiles(&dgnc_driver);
+
+	device_destroy(dgnc_class, MKDEV(dgnc_Major, 0));
+	class_destroy(dgnc_class);
+	unregister_chrdev(dgnc_Major, "dgnc");
+
+	for (i = 0; i < dgnc_NumBoards; ++i) {
+		dgnc_remove_ports_sysfiles(dgnc_Board[i]);
+		dgnc_tty_uninit(dgnc_Board[i]);
+		dgnc_cleanup_board(dgnc_Board[i]);
+	}
+
+	dgnc_tty_post_uninit();
+
+	if (dgnc_NumBoards)
+		pci_unregister_driver(&dgnc_driver);
+}
 
 /*
  * init_module()
  *
  * Module load.  This is where it all starts.
  */
-int dgnc_init_module(void)
+static int __init dgnc_init_module(void)
 {
 	int rc = 0;
 
@@ -222,7 +220,7 @@ int dgnc_init_module(void)
 	/*
 	 * Find and configure all the cards
 	 */
-	rc = dgnc_init_pci();
+	rc = pci_register_driver(&dgnc_driver);
 
 	/*
 	 * If something went wrong in the scan, bail out of driver.
@@ -239,10 +237,11 @@ int dgnc_init_module(void)
 		dgnc_create_driver_sysfiles(&dgnc_driver);
 	}
 
-	DPR_INIT(("Finished init_module. Returning %d\n", rc));
 	return rc;
 }
 
+module_init(dgnc_init_module);
+module_exit(dgnc_cleanup_module);
 
 /*
  * Start of driver.
@@ -252,77 +251,54 @@ static int dgnc_start(void)
 	int rc = 0;
 	unsigned long flags;
 
-	if (dgnc_driver_start == FALSE) {
-
-		dgnc_driver_start = TRUE;
-
-		/* make sure that the globals are init'd before we do anything else */
-		dgnc_init_globals();
+	/* make sure that the globals are init'd before we do anything else */
+	dgnc_init_globals();
 
-		dgnc_NumBoards = 0;
+	APR(("For the tools package or updated drivers please visit http://www.digi.com\n"));
 
-		APR(("For the tools package or updated drivers please visit http://www.digi.com\n"));
-
-		/*
-		 * Register our base character device into the kernel.
-		 * This allows the download daemon to connect to the downld device
-		 * before any of the boards are init'ed.
-		 */
-		if (!dgnc_Major_Control_Registered) {
-			/*
-			 * Register management/dpa devices
-			 */
-			rc = register_chrdev(0, "dgnc", &dgnc_BoardFops);
-			if (rc <= 0) {
-				APR(("Can't register dgnc driver device (%d)\n", rc));
-				rc = -ENXIO;
-				return rc;
-			}
-			dgnc_Major = rc;
-
-			dgnc_class = class_create(THIS_MODULE, "dgnc_mgmt");
-			device_create(dgnc_class, NULL,
-				MKDEV(dgnc_Major, 0),
-				NULL, "dgnc_mgmt");
-			dgnc_Major_Control_Registered = TRUE;
-		}
+	/*
+	 * Register our base character device into the kernel.
+	 * This allows the download daemon to connect to the downld device
+	 * before any of the boards are init'ed.
+	 *
+	 * Register management/dpa devices
+	 */
+	rc = register_chrdev(0, "dgnc", &dgnc_BoardFops);
+	if (rc <= 0) {
+		APR(("Can't register dgnc driver device (%d)\n", rc));
+		return -ENXIO;
+	}
+	dgnc_Major = rc;
 
-		/*
-		 * Init any global tty stuff.
-		 */
-		rc = dgnc_tty_preinit();
+	dgnc_class = class_create(THIS_MODULE, "dgnc_mgmt");
+	device_create(dgnc_class, NULL,
+		MKDEV(dgnc_Major, 0),
+		NULL, "dgnc_mgmt");
 
-		if (rc < 0) {
-			APR(("tty preinit - not enough memory (%d)\n", rc));
-			return rc;
-		}
+	/*
+	 * Init any global tty stuff.
+	 */
+	rc = dgnc_tty_preinit();
 
-		/* Start the poller */
-		DGNC_LOCK(dgnc_poll_lock, flags);
-		init_timer(&dgnc_poll_timer);
-		dgnc_poll_timer.function = dgnc_poll_handler;
-		dgnc_poll_timer.data = 0;
-		dgnc_poll_time = jiffies + dgnc_jiffies_from_ms(dgnc_poll_tick);
-		dgnc_poll_timer.expires = dgnc_poll_time;
-		DGNC_UNLOCK(dgnc_poll_lock, flags);
+	if (rc < 0) {
+		APR(("tty preinit - not enough memory (%d)\n", rc));
+		return rc;
+	}
 
-		add_timer(&dgnc_poll_timer);
+	/* Start the poller */
+	spin_lock_irqsave(&dgnc_poll_lock, flags);
+	init_timer(&dgnc_poll_timer);
+	dgnc_poll_timer.function = dgnc_poll_handler;
+	dgnc_poll_timer.data = 0;
+	dgnc_poll_time = jiffies + dgnc_jiffies_from_ms(dgnc_poll_tick);
+	dgnc_poll_timer.expires = dgnc_poll_time;
+	spin_unlock_irqrestore(&dgnc_poll_lock, flags);
 
-		dgnc_driver_state = DRIVER_READY;
-	}
+	add_timer(&dgnc_poll_timer);
 
 	return rc;
 }
 
-/*
- * Register pci driver, and return how many boards we have.
- */
-static int dgnc_init_pci(void)
-{
-	return pci_register_driver(&dgnc_driver);
-}
-
-
 /* returns count (>= 0), or negative on error */
 static int dgnc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
@@ -334,64 +310,13 @@ static int dgnc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (rc < 0) {
 		rc = -EIO;
 	} else {
-		rc = dgnc_probe1(pdev, ent->driver_data);
-		if (rc == 0) {
+		rc = dgnc_found_board(pdev, ent->driver_data);
+		if (rc == 0)
 			dgnc_NumBoards++;
-			DPR_INIT(("Incrementing numboards to %d\n", dgnc_NumBoards));
-		}
 	}
 	return rc;
 }
 
-static int dgnc_probe1(struct pci_dev *pdev, int card_type)
-{
-	return dgnc_found_board(pdev, card_type);
-}
-
-
-static void dgnc_remove_one(struct pci_dev *dev)
-{
-	/* Do Nothing */
-}
-
-/*
- * dgnc_cleanup_module()
- *
- * Module unload.  This is where it all ends.
- */
-void dgnc_cleanup_module(void)
-{
-	int i;
-	ulong lock_flags;
-
-	DGNC_LOCK(dgnc_poll_lock, lock_flags);
-	dgnc_poll_stop = 1;
-	DGNC_UNLOCK(dgnc_poll_lock, lock_flags);
-
-	/* Turn off poller right away. */
-	del_timer_sync(&dgnc_poll_timer);
-
-	dgnc_remove_driver_sysfiles(&dgnc_driver);
-
-	if (dgnc_Major_Control_Registered) {
-		device_destroy(dgnc_class, MKDEV(dgnc_Major, 0));
-		class_destroy(dgnc_class);
-		unregister_chrdev(dgnc_Major, "dgnc");
-	}
-
-	for (i = 0; i < dgnc_NumBoards; ++i) {
-		dgnc_remove_ports_sysfiles(dgnc_Board[i]);
-		dgnc_tty_uninit(dgnc_Board[i]);
-		dgnc_cleanup_board(dgnc_Board[i]);
-	}
-
-	dgnc_tty_post_uninit();
-
-	if (dgnc_NumBoards)
-		pci_unregister_driver(&dgnc_driver);
-}
-
-
 /*
  * dgnc_cleanup_board()
  *
@@ -431,12 +356,12 @@ static void dgnc_cleanup_board(struct dgnc_board *brd)
 	if (brd->msgbuf_head) {
 		unsigned long flags;
 
-		DGNC_LOCK(dgnc_global_lock, flags);
+		spin_lock_irqsave(&dgnc_global_lock, flags);
 		brd->msgbuf = NULL;
 		printk("%s", brd->msgbuf_head);
 		kfree(brd->msgbuf_head);
 		brd->msgbuf_head = NULL;
-		DGNC_UNLOCK(dgnc_global_lock, flags);
+		spin_unlock_irqrestore(&dgnc_global_lock, flags);
 	}
 
 	/* Free all allocated channels structs */
@@ -472,14 +397,16 @@ static int dgnc_found_board(struct pci_dev *pdev, int id)
 	unsigned long flags;
 
 	/* get the board structure and prep it */
-	brd = dgnc_Board[dgnc_NumBoards] =
-		kzalloc(sizeof(*brd), GFP_KERNEL);
+	dgnc_Board[dgnc_NumBoards] = kzalloc(sizeof(*brd), GFP_KERNEL);
+	brd = dgnc_Board[dgnc_NumBoards];
+
 	if (!brd)
 		return -ENOMEM;
 
 	/* make a temporary message buffer for the boot messages */
-	brd->msgbuf = brd->msgbuf_head =
-		kzalloc(sizeof(u8) * 8192, GFP_KERNEL);
+	brd->msgbuf_head = kzalloc(sizeof(u8) * 8192, GFP_KERNEL);
+	brd->msgbuf = brd->msgbuf_head;
+
 	if (!brd->msgbuf) {
 		kfree(brd);
 		return -ENOMEM;
@@ -500,8 +427,8 @@ static int dgnc_found_board(struct pci_dev *pdev, int id)
 	brd->dpastatus = BD_NOFEP;
 	init_waitqueue_head(&brd->state_wait);
 
-	DGNC_SPINLOCK_INIT(brd->bd_lock);
-	DGNC_SPINLOCK_INIT(brd->bd_intr_lock);
+	spin_lock_init(&brd->bd_lock);
+	spin_lock_init(&brd->bd_intr_lock);
 
 	brd->state		= BOARD_FOUND;
 
@@ -526,8 +453,6 @@ static int dgnc_found_board(struct pci_dev *pdev, int id)
 
 		brd->dpatype = T_CLASSIC | T_PCIBUS;
 
-		DPR_INIT(("dgnc_found_board - Classic.\n"));
-
 		/*
 		 * For PCI ClassicBoards
 		 * PCI Local Address (i.e. "resource" number) space
@@ -602,8 +527,6 @@ static int dgnc_found_board(struct pci_dev *pdev, int id)
 		else
 			brd->dpatype = T_NEO | T_PCIBUS;
 
-		DPR_INIT(("dgnc_found_board - NEO.\n"));
-
 		/* get the PCI Base Address Registers */
 		brd->membase     = pci_resource_start(pdev, 0);
 		brd->membase_end = pci_resource_end(pdev, 0);
@@ -677,13 +600,12 @@ static int dgnc_found_board(struct pci_dev *pdev, int id)
 	/* init our poll helper tasklet */
 	tasklet_init(&brd->helper_tasklet, brd->bd_ops->tasklet, (unsigned long) brd);
 
-	DPR_INIT(("dgnc_scan(%d) - printing out the msgbuf\n", i));
-	DGNC_LOCK(dgnc_global_lock, flags);
+	spin_lock_irqsave(&dgnc_global_lock, flags);
 	brd->msgbuf = NULL;
 	printk("%s", brd->msgbuf_head);
 	kfree(brd->msgbuf_head);
 	brd->msgbuf_head = NULL;
-	DGNC_UNLOCK(dgnc_global_lock, flags);
+	spin_unlock_irqrestore(&dgnc_global_lock, flags);
 
 	/*
 	 * allocate flip buffer for board.
@@ -708,13 +630,9 @@ static int dgnc_finalize_board_init(struct dgnc_board *brd)
 {
 	int rc = 0;
 
-	DPR_INIT(("dgnc_finalize_board_init() - start\n"));
-
 	if (!brd || brd->magic != DGNC_BOARD_MAGIC)
 		return -ENODEV;
 
-	DPR_INIT(("dgnc_finalize_board_init() - start #2\n"));
-
 	if (brd->irq) {
 		rc = request_irq(brd->irq, brd->bd_ops->intr,
 				 IRQF_SHARED, "DGNC", brd);
@@ -725,9 +643,6 @@ static int dgnc_finalize_board_init(struct dgnc_board *brd)
 			brd->state = BOARD_FAILED;
 			brd->dpastatus = BD_NOFEP;
 			rc = -ENODEV;
-		} else {
-			DPR_INIT(("Requested and received usage of IRQ %d\n",
-				  brd->irq));
 		}
 	}
 	return rc;
@@ -743,8 +658,6 @@ static void dgnc_do_remap(struct dgnc_board *brd)
 		return;
 
 	brd->re_map_membase = ioremap(brd->membase, 0x1000);
-
-	DPR_INIT(("remapped mem: 0x%p\n", brd->re_map_membase));
 }
 
 
@@ -777,44 +690,32 @@ static void dgnc_do_remap(struct dgnc_board *brd)
 static void dgnc_poll_handler(ulong dummy)
 {
 	struct dgnc_board *brd;
-	unsigned long lock_flags;
+	unsigned long flags;
 	int i;
 	unsigned long new_time;
 
-	dgnc_poll_counter++;
-
-	/*
-	 * Do not start the board state machine until
-	 * driver tells us its up and running, and has
-	 * everything it needs.
-	 */
-	if (dgnc_driver_state != DRIVER_READY)
-		goto schedule_poller;
-
 	/* Go thru each board, kicking off a tasklet for each if needed */
 	for (i = 0; i < dgnc_NumBoards; i++) {
 		brd = dgnc_Board[i];
 
-		DGNC_LOCK(brd->bd_lock, lock_flags);
+		spin_lock_irqsave(&brd->bd_lock, flags);
 
 		/* If board is in a failed state, don't bother scheduling a tasklet */
 		if (brd->state == BOARD_FAILED) {
-			DGNC_UNLOCK(brd->bd_lock, lock_flags);
+			spin_unlock_irqrestore(&brd->bd_lock, flags);
 			continue;
 		}
 
 		/* Schedule a poll helper task */
 		tasklet_schedule(&brd->helper_tasklet);
 
-		DGNC_UNLOCK(brd->bd_lock, lock_flags);
+		spin_unlock_irqrestore(&brd->bd_lock, flags);
 	}
 
-schedule_poller:
-
 	/*
 	 * Schedule ourself back at the nominal wakeup interval.
 	 */
-	DGNC_LOCK(dgnc_poll_lock, lock_flags);
+	spin_lock_irqsave(&dgnc_poll_lock, flags);
 	dgnc_poll_time += dgnc_jiffies_from_ms(dgnc_poll_tick);
 
 	new_time = dgnc_poll_time - jiffies;
@@ -826,7 +727,7 @@ schedule_poller:
 	dgnc_poll_timer.function = dgnc_poll_handler;
 	dgnc_poll_timer.data = 0;
 	dgnc_poll_timer.expires = dgnc_poll_time;
-	DGNC_UNLOCK(dgnc_poll_lock, lock_flags);
+	spin_unlock_irqrestore(&dgnc_poll_lock, flags);
 
 	if (!dgnc_poll_stop)
 		add_timer(&dgnc_poll_timer);
@@ -846,6 +747,7 @@ static void dgnc_init_globals(void)
 	dgnc_rawreadok		= rawreadok;
 	dgnc_trcbuf_size	= trcbuf_size;
 	dgnc_debug		= debug;
+	dgnc_NumBoards		= 0;
 
 	for (i = 0; i < MAXBOARDS; i++)
 		dgnc_Board[i] = NULL;
@@ -853,77 +755,3 @@ static void dgnc_init_globals(void)
 	init_timer(&dgnc_poll_timer);
 }
 
-
-/************************************************************************
- *
- * Utility functions
- *
- ************************************************************************/
-
-/*
- * dgnc_ms_sleep()
- *
- * Put the driver to sleep for x ms's
- *
- * Returns 0 if timed out, !0 (showing signal) if interrupted by a signal.
- */
-int dgnc_ms_sleep(ulong ms)
-{
-	current->state = TASK_INTERRUPTIBLE;
-	schedule_timeout((ms * HZ) / 1000);
-	return signal_pending(current);
-}
-
-
-
-/*
- *      dgnc_ioctl_name() : Returns a text version of each ioctl value.
- */
-char *dgnc_ioctl_name(int cmd)
-{
-	switch (cmd) {
-
-	case TCGETA:		return "TCGETA";
-	case TCGETS:		return "TCGETS";
-	case TCSETA:		return "TCSETA";
-	case TCSETS:		return "TCSETS";
-	case TCSETAW:		return "TCSETAW";
-	case TCSETSW:		return "TCSETSW";
-	case TCSETAF:		return "TCSETAF";
-	case TCSETSF:		return "TCSETSF";
-	case TCSBRK:		return "TCSBRK";
-	case TCXONC:		return "TCXONC";
-	case TCFLSH:		return "TCFLSH";
-	case TIOCGSID:		return "TIOCGSID";
-
-	case TIOCGETD:		return "TIOCGETD";
-	case TIOCSETD:		return "TIOCSETD";
-	case TIOCGWINSZ:	return "TIOCGWINSZ";
-	case TIOCSWINSZ:	return "TIOCSWINSZ";
-
-	case TIOCMGET:		return "TIOCMGET";
-	case TIOCMSET:		return "TIOCMSET";
-	case TIOCMBIS:		return "TIOCMBIS";
-	case TIOCMBIC:		return "TIOCMBIC";
-
-	/* from digi.h */
-	case DIGI_SETA:		return "DIGI_SETA";
-	case DIGI_SETAW:	return "DIGI_SETAW";
-	case DIGI_SETAF:	return "DIGI_SETAF";
-	case DIGI_SETFLOW:	return "DIGI_SETFLOW";
-	case DIGI_SETAFLOW:	return "DIGI_SETAFLOW";
-	case DIGI_GETFLOW:	return "DIGI_GETFLOW";
-	case DIGI_GETAFLOW:	return "DIGI_GETAFLOW";
-	case DIGI_GETA:		return "DIGI_GETA";
-	case DIGI_GEDELAY:	return "DIGI_GEDELAY";
-	case DIGI_SEDELAY:	return "DIGI_SEDELAY";
-	case DIGI_GETCUSTOMBAUD: return "DIGI_GETCUSTOMBAUD";
-	case DIGI_SETCUSTOMBAUD: return "DIGI_SETCUSTOMBAUD";
-	case TIOCMODG:		return "TIOCMODG";
-	case TIOCMODS:		return "TIOCMODS";
-	case TIOCSDTR:		return "TIOCSDTR";
-	case TIOCCDTR:		return "TIOCCDTR";
-
-	default:		return "unknown";
-	}
-}