staging: dgnc: delete the driver

Digi does not support it, no one has hardware for it, and no one is
working on it, so let's drop it for now.  If anyone wants to pick it
back up, then can revert this patch.
Reported-by: Lidza Louina <lidza.louina@gmail.com>
Reported-by: Mark Hounschell <markh@compro.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

MAINTAINERS

@@ -4359,13 +4359,6 @@ L:	linux-gpio@vger.kernel.org
 S:	Maintained
 F:	drivers/gpio/gpio-gpio-mm.c
 
-DIGI NEO AND CLASSIC PCI PRODUCTS
-M:	Lidza Louina <lidza.louina@gmail.com>
-M:	Mark Hounschell <markh@compro.net>
-L:	driverdev-devel@linuxdriverproject.org
-S:	Maintained
-F:	drivers/staging/dgnc/
-
 DIOLAN U2C-12 I2C DRIVER
 M:	Guenter Roeck <linux@roeck-us.net>
 L:	linux-i2c@vger.kernel.org

drivers/staging/Kconfig

@@ -80,8 +80,6 @@ source "drivers/staging/netlogic/Kconfig"
 
 source "drivers/staging/mt29f_spinand/Kconfig"
 
-source "drivers/staging/dgnc/Kconfig"
-
 source "drivers/staging/gs_fpgaboot/Kconfig"
 
 source "drivers/staging/unisys/Kconfig"

drivers/staging/Makefile

@@ -29,7 +29,6 @@ obj-$(CONFIG_STAGING_BOARD)	+= board/
 obj-$(CONFIG_LTE_GDM724X)	+= gdm724x/
 obj-$(CONFIG_FIREWIRE_SERIAL)	+= fwserial/
 obj-$(CONFIG_GOLDFISH)		+= goldfish/
-obj-$(CONFIG_DGNC)			+= dgnc/
 obj-$(CONFIG_MTD_SPINAND_MT29F)	+= mt29f_spinand/
 obj-$(CONFIG_GS_FPGABOOT)	+= gs_fpgaboot/
 obj-$(CONFIG_UNISYSSPAR)	+= unisys/

drivers/staging/dgnc/Kconfig

-config DGNC
-	tristate "Digi Neo and Classic PCI Products"
-	default n
-	depends on TTY && PCI
-	help
-	  Say Y here to enable support for the Digi International Neo and
-	  Classic PCI based product line.
-
-	  To compile this driver as a module, say M here: the module will be
-	  called dgnc

drivers/staging/dgnc/Makefile

-obj-$(CONFIG_DGNC) += dgnc.o
-
-dgnc-objs :=   dgnc_cls.o dgnc_driver.o\
-               dgnc_tty.o

drivers/staging/dgnc/TODO

-* remove unnecessary comments
-* there is a lot of unnecessary code in the driver. It was
-  originally a standalone driver. Remove unneeded code.
-
-Please send patches to Greg Kroah-Hartman <greg@kroah.com> and
-Cc: Lidza Louina <lidza.louina@gmail.com>

drivers/staging/dgnc/dgnc_cls.h

-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright 2003 Digi International (www.digi.com)
- *	Scott H Kilau <Scott_Kilau at digi dot com>
- */
-
-#ifndef _DGNC_CLS_H
-#define _DGNC_CLS_H
-
-/**
- * struct cls_uart_struct - Per channel/port Classic UART.
- *
- * key - W = read write
- *     - R = read only
- *     - U = unused
- *
- * @txrx: (WR) Holding Register.
- * @ier: (WR) Interrupt Enable Register.
- * @isr_fcr: (WR) Interrupt Status Register/Fifo Control Register.
- * @lcr: (WR) Line Control Register.
- * @mcr: (WR) Modem Control Register.
- * @lsr: (WR) Line Status Register.
- * @msr: (WR) Modem Status Register.
- * @spr: (WR) Scratch Pad Register.
- */
-struct cls_uart_struct {
-	u8 txrx;
-	u8 ier;
-	u8 isr_fcr;
-	u8 lcr;
-	u8 mcr;
-	u8 lsr;
-	u8 msr;
-	u8 spr;
-};
-
-/* Where to read the interrupt register (8bits) */
-#define	UART_CLASSIC_POLL_ADDR_OFFSET	0x40
-
-#define UART_EXAR654_ENHANCED_REGISTER_SET 0xBF
-
-#define UART_16654_FCR_TXTRIGGER_16	0x10
-#define UART_16654_FCR_RXTRIGGER_16	0x40
-#define UART_16654_FCR_RXTRIGGER_56	0x80
-
-/* Received CTS/RTS change of state */
-#define UART_IIR_CTSRTS			0x20
-
-/* Receiver data TIMEOUT */
-#define UART_IIR_RDI_TIMEOUT		0x0C
-
-/*
- * These are the EXTENDED definitions for the Exar 654's Interrupt
- * Enable Register.
- */
-#define UART_EXAR654_EFR_ECB      0x10    /* Enhanced control bit */
-#define UART_EXAR654_EFR_IXON     0x2     /* Receiver compares Xon1/Xoff1 */
-#define UART_EXAR654_EFR_IXOFF    0x8     /* Transmit Xon1/Xoff1 */
-#define UART_EXAR654_EFR_RTSDTR   0x40    /* Auto RTS/DTR Flow Control Enable */
-#define UART_EXAR654_EFR_CTSDSR   0x80    /* Auto CTS/DSR Flow Control Enable */
-#define UART_EXAR654_IER_XOFF     0x20    /* Xoff Interrupt Enable */
-#define UART_EXAR654_IER_RTSDTR   0x40    /* Output Interrupt Enable */
-#define UART_EXAR654_IER_CTSDSR   0x80    /* Input Interrupt Enable */
-
-extern struct board_ops dgnc_cls_ops;
-
-#endif	/* _DGNC_CLS_H */

drivers/staging/dgnc/dgnc_driver.c

-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2003 Digi International (www.digi.com)
- *	Scott H Kilau <Scott_Kilau at digi dot com>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <linux/sched.h>
-#include "dgnc_driver.h"
-#include "dgnc_tty.h"
-#include "dgnc_cls.h"
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Digi International, http://www.digi.com");
-MODULE_DESCRIPTION("Driver for the Digi International Neo and Classic PCI based product line");
-MODULE_SUPPORTED_DEVICE("dgnc");
-
-static unsigned int dgnc_num_boards;
-struct dgnc_board		*dgnc_board[MAXBOARDS];
-static DEFINE_SPINLOCK(dgnc_poll_lock); /* Poll scheduling lock */
-
-static int		dgnc_poll_tick = 20;	/* Poll interval - 20 ms */
-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;
-
-#define DIGI_VID				0x114F
-#define PCI_DEVICE_CLASSIC_4_DID		0x0028
-#define PCI_DEVICE_CLASSIC_8_DID		0x0029
-#define PCI_DEVICE_CLASSIC_4_422_DID		0x00D0
-#define PCI_DEVICE_CLASSIC_8_422_DID		0x00D1
-
-#define PCI_DEVICE_CLASSIC_4_PCI_NAME		"ClassicBoard 4 PCI"
-#define PCI_DEVICE_CLASSIC_8_PCI_NAME		"ClassicBoard 8 PCI"
-#define PCI_DEVICE_CLASSIC_4_422_PCI_NAME	"ClassicBoard 4 422 PCI"
-#define PCI_DEVICE_CLASSIC_8_422_PCI_NAME	"ClassicBoard 8 422 PCI"
-
-static const struct pci_device_id dgnc_pci_tbl[] = {
-	{PCI_DEVICE(DIGI_VID, PCI_DEVICE_CLASSIC_4_DID),     .driver_data = 0},
-	{PCI_DEVICE(DIGI_VID, PCI_DEVICE_CLASSIC_4_422_DID), .driver_data = 1},
-	{PCI_DEVICE(DIGI_VID, PCI_DEVICE_CLASSIC_8_DID),     .driver_data = 2},
-	{PCI_DEVICE(DIGI_VID, PCI_DEVICE_CLASSIC_8_422_DID), .driver_data = 3},
-	{0,}
-};
-MODULE_DEVICE_TABLE(pci, dgnc_pci_tbl);
-
-struct board_id {
-	unsigned char *name;
-	uint maxports;
-	unsigned int is_pci_express;
-};
-
-static const struct board_id dgnc_ids[] = {
-	{	PCI_DEVICE_CLASSIC_4_PCI_NAME,		4,	0	},
-	{	PCI_DEVICE_CLASSIC_4_422_PCI_NAME,	4,	0	},
-	{	PCI_DEVICE_CLASSIC_8_PCI_NAME,		8,	0	},
-	{	PCI_DEVICE_CLASSIC_8_422_PCI_NAME,	8,	0	},
-	{	NULL,					0,	0	}
-};
-
-/* Remap PCI memory. */
-static int dgnc_do_remap(struct dgnc_board *brd)
-{
-	brd->re_map_membase = ioremap(brd->membase, 0x1000);
-	if (!brd->re_map_membase)
-		return -ENOMEM;
-
-	return 0;
-}
-
-/* A board has been found, initialize  it. */
-static struct dgnc_board *dgnc_found_board(struct pci_dev *pdev, int id)
-{
-	struct dgnc_board *brd;
-	unsigned int pci_irq;
-	int rc = 0;
-
-	brd = kzalloc(sizeof(*brd), GFP_KERNEL);
-	if (!brd)
-		return ERR_PTR(-ENOMEM);
-
-	/* store the info for the board we've found */
-	brd->boardnum = dgnc_num_boards;
-	brd->device = dgnc_pci_tbl[id].device;
-	brd->pdev = pdev;
-	brd->name = dgnc_ids[id].name;
-	brd->maxports = dgnc_ids[id].maxports;
-	init_waitqueue_head(&brd->state_wait);
-
-	spin_lock_init(&brd->bd_lock);
-	spin_lock_init(&brd->bd_intr_lock);
-
-	brd->state		= BOARD_FOUND;
-
-	pci_irq = pdev->irq;
-	brd->irq = pci_irq;
-
-	switch (brd->device) {
-	case PCI_DEVICE_CLASSIC_4_DID:
-	case PCI_DEVICE_CLASSIC_8_DID:
-	case PCI_DEVICE_CLASSIC_4_422_DID:
-	case PCI_DEVICE_CLASSIC_8_422_DID:
-		/*
-		 * For PCI ClassicBoards
-		 * PCI Local Address (i.e. "resource" number) space
-		 * 0	PLX Memory Mapped Config
-		 * 1	PLX I/O Mapped Config
-		 * 2	I/O Mapped UARTs and Status
-		 * 3	Memory Mapped VPD
-		 * 4	Memory Mapped UARTs and Status
-		 */
-
-		brd->membase = pci_resource_start(pdev, 4);
-
-		if (!brd->membase) {
-			dev_err(&brd->pdev->dev,
-				"Card has no PCI IO resources, failing.\n");
-			rc = -ENODEV;
-			goto failed;
-		}
-
-		brd->membase_end = pci_resource_end(pdev, 4);
-
-		if (brd->membase & 1)
-			brd->membase &= ~3;
-		else
-			brd->membase &= ~15;
-
-		brd->iobase	= pci_resource_start(pdev, 1);
-		brd->iobase_end = pci_resource_end(pdev, 1);
-		brd->iobase	= ((unsigned int)(brd->iobase)) & 0xFFFE;
-
-		brd->bd_ops = &dgnc_cls_ops;
-
-		brd->bd_uart_offset = 0x8;
-		brd->bd_dividend = 921600;
-
-		rc = dgnc_do_remap(brd);
-		if (rc < 0)
-			goto failed;
-
-		/*
-		 * Enable Local Interrupt 1		  (0x1),
-		 * Local Interrupt 1 Polarity Active high (0x2),
-		 * Enable PCI interrupt			  (0x40)
-		 */
-		outb(0x43, brd->iobase + 0x4c);
-
-		break;
-
-	default:
-		dev_err(&brd->pdev->dev,
-			"Didn't find any compatible Neo/Classic PCI boards.\n");
-		rc = -ENXIO;
-		goto failed;
-	}
-
-	tasklet_init(&brd->helper_tasklet,
-		     brd->bd_ops->tasklet,
-		     (unsigned long)brd);
-
-	wake_up_interruptible(&brd->state_wait);
-
-	return brd;
-
-failed:
-	kfree(brd);
-
-	return ERR_PTR(rc);
-}
-
-static int dgnc_request_irq(struct dgnc_board *brd)
-{
-	if (brd->irq) {
-		int rc = request_irq(brd->irq, brd->bd_ops->intr,
-				 IRQF_SHARED, "DGNC", brd);
-		if (rc) {
-			dev_err(&brd->pdev->dev,
-				"Failed to hook IRQ %d\n", brd->irq);
-			brd->state = BOARD_FAILED;
-			return -ENODEV;
-		}
-	}
-	return 0;
-}
-
-static void dgnc_free_irq(struct dgnc_board *brd)
-{
-	if (brd->irq)
-		free_irq(brd->irq, brd);
-}
-
- /*
-  * As each timer expires, it determines (a) whether the "transmit"
-  * waiter needs to be woken up, and (b) whether the poller needs to
-  * be rescheduled.
-  */
-static void dgnc_poll_handler(struct timer_list *unused)
-{
-	struct dgnc_board *brd;
-	unsigned long flags;
-	int i;
-	unsigned long new_time;
-
-	for (i = 0; i < dgnc_num_boards; i++) {
-		brd = dgnc_board[i];
-
-		spin_lock_irqsave(&brd->bd_lock, flags);
-
-		if (brd->state == BOARD_FAILED) {
-			spin_unlock_irqrestore(&brd->bd_lock, flags);
-			continue;
-		}
-
-		tasklet_schedule(&brd->helper_tasklet);
-
-		spin_unlock_irqrestore(&brd->bd_lock, flags);
-	}
-
-	/* Schedule ourself back at the nominal wakeup interval. */
-
-	spin_lock_irqsave(&dgnc_poll_lock, flags);
-	dgnc_poll_time += dgnc_jiffies_from_ms(dgnc_poll_tick);
-
-	new_time = dgnc_poll_time - jiffies;
-
-	if ((ulong)new_time >= 2 * dgnc_poll_tick)
-		dgnc_poll_time = jiffies + dgnc_jiffies_from_ms(dgnc_poll_tick);
-
-	timer_setup(&dgnc_poll_timer, dgnc_poll_handler, 0);
-	dgnc_poll_timer.expires = dgnc_poll_time;
-	spin_unlock_irqrestore(&dgnc_poll_lock, flags);
-
-	if (!dgnc_poll_stop)
-		add_timer(&dgnc_poll_timer);
-}
-
-/* returns count (>= 0), or negative on error */
-static int dgnc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
-	int rc;
-	struct dgnc_board *brd;
-
-	rc = pci_enable_device(pdev);
-	if (rc)
-		return -EIO;
-
-	brd = dgnc_found_board(pdev, ent->driver_data);
-	if (IS_ERR(brd))
-		return PTR_ERR(brd);
-
-	rc = dgnc_tty_register(brd);
-	if (rc < 0) {
-		pr_err(DRVSTR ": Can't register tty devices (%d)\n", rc);
-		goto failed;
-	}
-
-	rc = dgnc_request_irq(brd);
-	if (rc < 0) {
-		pr_err(DRVSTR ": Can't finalize board init (%d)\n", rc);
-		goto unregister_tty;
-	}
-
-	rc = dgnc_tty_init(brd);
-	if (rc < 0) {
-		pr_err(DRVSTR ": Can't init tty devices (%d)\n", rc);
-		goto free_irq;
-	}
-
-	brd->state = BOARD_READY;
-
-	dgnc_board[dgnc_num_boards++] = brd;
-
-	return 0;
-
-free_irq:
-	dgnc_free_irq(brd);
-unregister_tty:
-	dgnc_tty_unregister(brd);
-failed:
-	kfree(brd);
-
-	return rc;
-}
-
-static struct pci_driver dgnc_driver = {
-	.name		= "dgnc",
-	.probe		= dgnc_init_one,
-	.id_table       = dgnc_pci_tbl,
-};
-
-static int dgnc_start(void)
-{
-	unsigned long flags;
-
-	/* Start the poller */
-	spin_lock_irqsave(&dgnc_poll_lock, flags);
-	timer_setup(&dgnc_poll_timer, dgnc_poll_handler, 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);
-
-	add_timer(&dgnc_poll_timer);
-
-	return 0;
-}
-
-/* Free all the memory associated with a board */
-static void dgnc_cleanup_board(struct dgnc_board *brd)
-{
-	int i = 0;
-
-	if (!brd)
-		return;
-
-	switch (brd->device) {
-	case PCI_DEVICE_CLASSIC_4_DID:
-	case PCI_DEVICE_CLASSIC_8_DID:
-	case PCI_DEVICE_CLASSIC_4_422_DID:
-	case PCI_DEVICE_CLASSIC_8_422_DID:
-
-		/* Tell card not to interrupt anymore. */
-		outb(0, brd->iobase + 0x4c);
-		break;
-
-	default:
-		break;
-	}
-
-	if (brd->irq)
-		free_irq(brd->irq, brd);
-
-	tasklet_kill(&brd->helper_tasklet);
-
-	if (brd->re_map_membase) {
-		iounmap(brd->re_map_membase);
-		brd->re_map_membase = NULL;
-	}
-
-	for (i = 0; i < MAXPORTS ; i++) {
-		if (brd->channels[i]) {
-			kfree(brd->channels[i]->ch_rqueue);
-			kfree(brd->channels[i]->ch_equeue);
-			kfree(brd->channels[i]->ch_wqueue);
-			kfree(brd->channels[i]);
-			brd->channels[i] = NULL;
-		}
-	}
-
-	dgnc_board[brd->boardnum] = NULL;
-
-	kfree(brd);
-}
-
-/* Driver load/unload functions */
-
-static void cleanup(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);
-
-	for (i = 0; i < dgnc_num_boards; ++i) {
-		dgnc_cleanup_tty(dgnc_board[i]);
-		dgnc_cleanup_board(dgnc_board[i]);
-	}
-}
-
-static void __exit dgnc_cleanup_module(void)
-{
-	cleanup();
-	pci_unregister_driver(&dgnc_driver);
-}
-
-static int __init dgnc_init_module(void)
-{
-	int rc;
-
-	/* Initialize global stuff */
-	rc = dgnc_start();
-	if (rc < 0)
-		return rc;
-
-	/* Find and configure all the cards */
-	rc = pci_register_driver(&dgnc_driver);
-	if (rc) {
-		pr_warn("WARNING: dgnc driver load failed.  No Digi Neo or Classic boards found.\n");
-		cleanup();
-		return rc;
-	}
-	return 0;
-}
-
-module_init(dgnc_init_module);
-module_exit(dgnc_cleanup_module);

drivers/staging/dgnc/dgnc_tty.h

-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright 2003 Digi International (www.digi.com)
- *	Scott H Kilau <Scott_Kilau at digi dot com>
- */
-
-#ifndef _DGNC_TTY_H
-#define _DGNC_TTY_H
-
-#include "dgnc_driver.h"
-
-int	dgnc_tty_register(struct dgnc_board *brd);
-void dgnc_tty_unregister(struct dgnc_board *brd);
-
-int     dgnc_tty_init(struct dgnc_board *brd);
-
-void	dgnc_cleanup_tty(struct dgnc_board *brd);
-
-void	dgnc_input(struct channel_t *ch);
-void	dgnc_carrier(struct channel_t *ch);
-void	dgnc_wakeup_writes(struct channel_t *ch);
-void	dgnc_check_queue_flow_control(struct channel_t *ch);
-
-#endif	/* _DGNC_TTY_H */

drivers/staging/dgnc/digi.h

-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright 2003 Digi International (www.digi.com)
- *	Scott H Kilau <Scott_Kilau at digi dot com>
- */
-
-#ifndef _DIGI_H
-#define _DIGI_H
-
-#define DIGI_GETA	(('e' << 8) | 94)	/* Read params */
-#define DIGI_SETA	(('e' << 8) | 95)	/* Set params */
-#define DIGI_SETAW	(('e' << 8) | 96)	/* Drain & set params */
-#define DIGI_SETAF	(('e' << 8) | 97)	/* Drain, flush & set params */
-#define DIGI_LOOPBACK (('d' << 8) | 252)	/* Enable/disable UART
-						 * internal loopback
-						 */
-#define DIGI_FAST	0x0002		/* Fast baud rates */
-#define RTSPACE		0x0004		/* RTS input flow control */
-#define CTSPACE		0x0008		/* CTS output flow control */
-#define DIGI_COOK	0x0080		/* Cooked processing done in FEP */
-#define DIGI_FORCEDCD	0x0100		/* Force carrier */
-#define	DIGI_ALTPIN	0x0200		/* Alternate RJ-45 pin config */
-#define	DIGI_PRINTER	0x0800		/* Hold port open for flow cntrl*/
-#define DIGI_DTR_TOGGLE	0x2000		/* Support DTR Toggle */
-#define DIGI_RTS_TOGGLE	0x8000		/* Support RTS Toggle */
-#define DIGI_PLEN	28		/* String length */
-#define	DIGI_TSIZ	10		/* Terminal string len */
-
-/*
- * Structure used with ioctl commands for DIGI parameters.
- */
-/**
- * struct digi_t - Ioctl commands for DIGI parameters.
- * @digi_flags: Flags.
- * @digi_maxcps: Maximum printer CPS.
- * @digi_maxchar: Maximum characters in the print queue.
- * @digi_bufsize: Buffer size.
- * @digi_onlen: Length of ON string.
- * @digi_offlen: Length of OFF string.
- * @digi_onstr: Printer ON string.
- * @digi_offstr: Printer OFF string.
- * @digi_term: Terminal string.
- */
-struct digi_t {
-	unsigned short	digi_flags;
-	unsigned short	digi_maxcps;
-	unsigned short	digi_maxchar;
-	unsigned short	digi_bufsize;
-	unsigned char	digi_onlen;
-	unsigned char	digi_offlen;
-	char		digi_onstr[DIGI_PLEN];
-	char		digi_offstr[DIGI_PLEN];
-	char		digi_term[DIGI_TSIZ];
-};
-
-/**
- * struct digi_getbuffer - Holds buffer use counts.
- */
-struct digi_getbuffer {
-	unsigned long tx_in;
-	unsigned long tx_out;
-	unsigned long rxbuf;
-	unsigned long txbuf;
-	unsigned long txdone;
-};
-
-/**
- * struct digi_getcounter
- * @norun: Number of UART overrun errors.
- * @noflow: Number of buffer overflow errors.
- * @nframe: Number of framing errors.
- * @nparity: Number of parity errors.
- * @nbreak: Number of breaks received.
- * @rbytes: Number of received bytes.
- * @tbytes: Number of transmitted bytes.
- */
-struct digi_getcounter {
-	unsigned long norun;
-	unsigned long noflow;
-	unsigned long nframe;
-	unsigned long nparity;
-	unsigned long nbreak;
-	unsigned long rbytes;
-	unsigned long tbytes;
-};
-
-#define DIGI_SETCUSTOMBAUD _IOW('e', 106, int)	/* Set integer baud rate */
-#define DIGI_GETCUSTOMBAUD _IOR('e', 107, int)	/* Get integer baud rate */
-
-#define DIGI_REALPORT_GETBUFFERS (('e' << 8) | 108)
-#define DIGI_REALPORT_SENDIMMEDIATE (('e' << 8) | 109)
-#define DIGI_REALPORT_GETCOUNTERS (('e' << 8) | 110)
-#define DIGI_REALPORT_GETEVENTS (('e' << 8) | 111)
-
-#define EV_OPU 0x0001 /* Output paused by client */
-#define EV_OPS 0x0002 /* Output paused by regular sw flowctrl */
-#define EV_IPU 0x0010 /* Input paused unconditionally by user */
-#define EV_IPS 0x0020 /* Input paused by high/low water marks */
-#define EV_TXB 0x0040 /* Transmit break pending */
-
-/**
- * struct ni_info - intelligent <--> non-intelligent DPA translation.
- */
-struct ni_info {
-	int board;
-	int channel;
-	int dtr;
-	int rts;
-	int cts;
-	int dsr;
-	int ri;
-	int dcd;
-	int curtx;
-	int currx;
-	unsigned short iflag;
-	unsigned short oflag;
-	unsigned short cflag;
-	unsigned short lflag;
-	unsigned int mstat;
-	unsigned char hflow;
-	unsigned char xmit_stopped;
-	unsigned char recv_stopped;
-	unsigned int baud;
-};
-
-#define TTY_FLIPBUF_SIZE 512
-
-#endif	/* _DIGI_H */