tty: move a number of tty drivers from drivers/char/ to drivers/tty/

As planned by Arnd Bergmann, this moves the following drivers from
drivers/char/ to drivers/tty/ as that's where they really belong:
	amiserial
	nozomi
	synclink
	rocket
	cyclades
	moxa
	mxser
	isicom
	bfin_jtag_comm

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 5600 deletions

diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
deleted file mode 100644
index 327343694473..000000000000
--- a/drivers/char/synclinkmp.c
+++ /dev/null
@@ -1,5600 +0,0 @@
-/*
- * $Id: synclinkmp.c,v 4.38 2005/07/15 13:29:44 paulkf Exp $
- *
- * Device driver for Microgate SyncLink Multiport
- * high speed multiprotocol serial adapter.
- *
- * written by Paul Fulghum for Microgate Corporation
- * paulkf@microgate.com
- *
- * Microgate and SyncLink are trademarks of Microgate Corporation
- *
- * Derived from serial.c written by Theodore Ts'o and Linus Torvalds
- * This code is released under the GNU General Public License (GPL)
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#define VERSION(ver,rel,seq) (((ver)<<16) | ((rel)<<8) | (seq))
-#if defined(__i386__)
-#  define BREAKPOINT() asm("   int $3");
-#else
-#  define BREAKPOINT() { }
-#endif
-
-#define MAX_DEVICES 12
-
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/serial.h>
-#include <linux/major.h>
-#include <linux/string.h>
-#include <linux/fcntl.h>
-#include <linux/ptrace.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/seq_file.h>
-#include <linux/slab.h>
-#include <linux/netdevice.h>
-#include <linux/vmalloc.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/ioctl.h>
-
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/dma.h>
-#include <linux/bitops.h>
-#include <asm/types.h>
-#include <linux/termios.h>
-#include <linux/workqueue.h>
-#include <linux/hdlc.h>
-#include <linux/synclink.h>
-
-#if defined(CONFIG_HDLC) || (defined(CONFIG_HDLC_MODULE) && defined(CONFIG_SYNCLINKMP_MODULE))
-#define SYNCLINK_GENERIC_HDLC 1
-#else
-#define SYNCLINK_GENERIC_HDLC 0
-#endif
-
-#define GET_USER(error,value,addr) error = get_user(value,addr)
-#define COPY_FROM_USER(error,dest,src,size) error = copy_from_user(dest,src,size) ? -EFAULT : 0
-#define PUT_USER(error,value,addr) error = put_user(value,addr)
-#define COPY_TO_USER(error,dest,src,size) error = copy_to_user(dest,src,size) ? -EFAULT : 0
-
-#include <asm/uaccess.h>
-
-static MGSL_PARAMS default_params = {
-	MGSL_MODE_HDLC,			/* unsigned long mode */
-	0,				/* unsigned char loopback; */
-	HDLC_FLAG_UNDERRUN_ABORT15,	/* unsigned short flags; */
-	HDLC_ENCODING_NRZI_SPACE,	/* unsigned char encoding; */
-	0,				/* unsigned long clock_speed; */
-	0xff,				/* unsigned char addr_filter; */
-	HDLC_CRC_16_CCITT,		/* unsigned short crc_type; */
-	HDLC_PREAMBLE_LENGTH_8BITS,	/* unsigned char preamble_length; */
-	HDLC_PREAMBLE_PATTERN_NONE,	/* unsigned char preamble; */
-	9600,				/* unsigned long data_rate; */
-	8,				/* unsigned char data_bits; */
-	1,				/* unsigned char stop_bits; */
-	ASYNC_PARITY_NONE		/* unsigned char parity; */
-};
-
-/* size in bytes of DMA data buffers */
-#define SCABUFSIZE 	1024
-#define SCA_MEM_SIZE	0x40000
-#define SCA_BASE_SIZE   512
-#define SCA_REG_SIZE    16
-#define SCA_MAX_PORTS   4
-#define SCAMAXDESC 	128
-
-#define	BUFFERLISTSIZE	4096
-
-/* SCA-I style DMA buffer descriptor */
-typedef struct _SCADESC
-{
-	u16	next;		/* lower l6 bits of next descriptor addr */
-	u16	buf_ptr;	/* lower 16 bits of buffer addr */
-	u8	buf_base;	/* upper 8 bits of buffer addr */
-	u8	pad1;
-	u16	length;		/* length of buffer */
-	u8	status;		/* status of buffer */
-	u8	pad2;
-} SCADESC, *PSCADESC;
-
-typedef struct _SCADESC_EX
-{
-	/* device driver bookkeeping section */
-	char 	*virt_addr;    	/* virtual address of data buffer */
-	u16	phys_entry;	/* lower 16-bits of physical address of this descriptor */
-} SCADESC_EX, *PSCADESC_EX;
-
-/* The queue of BH actions to be performed */
-
-#define BH_RECEIVE  1
-#define BH_TRANSMIT 2
-#define BH_STATUS   4
-
-#define IO_PIN_SHUTDOWN_LIMIT 100
-
-struct	_input_signal_events {
-	int	ri_up;
-	int	ri_down;
-	int	dsr_up;
-	int	dsr_down;
-	int	dcd_up;
-	int	dcd_down;
-	int	cts_up;
-	int	cts_down;
-};
-
-/*
- * Device instance data structure
- */
-typedef struct _synclinkmp_info {
-	void *if_ptr;				/* General purpose pointer (used by SPPP) */
-	int			magic;
-	struct tty_port		port;
-	int			line;
-	unsigned short		close_delay;
-	unsigned short		closing_wait;	/* time to wait before closing */
-
-	struct mgsl_icount	icount;
-
-	int			timeout;
-	int			x_char;		/* xon/xoff character */
-	u16			read_status_mask1;  /* break detection (SR1 indications) */
-	u16			read_status_mask2;  /* parity/framing/overun (SR2 indications) */
-	unsigned char 		ignore_status_mask1;  /* break detection (SR1 indications) */
-	unsigned char		ignore_status_mask2;  /* parity/framing/overun (SR2 indications) */
-	unsigned char 		*tx_buf;
-	int			tx_put;
-	int			tx_get;
-	int			tx_count;
-
-	wait_queue_head_t	status_event_wait_q;
-	wait_queue_head_t	event_wait_q;
-	struct timer_list	tx_timer;	/* HDLC transmit timeout timer */
-	struct _synclinkmp_info	*next_device;	/* device list link */
-	struct timer_list	status_timer;	/* input signal status check timer */
-
-	spinlock_t lock;		/* spinlock for synchronizing with ISR */
-	struct work_struct task;	 		/* task structure for scheduling bh */
-
-	u32 max_frame_size;			/* as set by device config */
-
-	u32 pending_bh;
-
-	bool bh_running;				/* Protection from multiple */
-	int isr_overflow;
-	bool bh_requested;
-
-	int dcd_chkcount;			/* check counts to prevent */
-	int cts_chkcount;			/* too many IRQs if a signal */
-	int dsr_chkcount;			/* is floating */
-	int ri_chkcount;
-
-	char *buffer_list;			/* virtual address of Rx & Tx buffer lists */
-	unsigned long buffer_list_phys;
-
-	unsigned int rx_buf_count;		/* count of total allocated Rx buffers */
-	SCADESC *rx_buf_list;   		/* list of receive buffer entries */
-	SCADESC_EX rx_buf_list_ex[SCAMAXDESC]; /* list of receive buffer entries */
-	unsigned int current_rx_buf;
-
-	unsigned int tx_buf_count;		/* count of total allocated Tx buffers */
-	SCADESC *tx_buf_list;		/* list of transmit buffer entries */
-	SCADESC_EX tx_buf_list_ex[SCAMAXDESC]; /* list of transmit buffer entries */
-	unsigned int last_tx_buf;
-
-	unsigned char *tmp_rx_buf;
-	unsigned int tmp_rx_buf_count;
-
-	bool rx_enabled;
-	bool rx_overflow;
-
-	bool tx_enabled;
-	bool tx_active;
-	u32 idle_mode;
-
-	unsigned char ie0_value;
-	unsigned char ie1_value;
-	unsigned char ie2_value;
-	unsigned char ctrlreg_value;
-	unsigned char old_signals;
-
-	char device_name[25];			/* device instance name */
-
-	int port_count;
-	int adapter_num;
-	int port_num;
-
-	struct _synclinkmp_info *port_array[SCA_MAX_PORTS];
-
-	unsigned int bus_type;			/* expansion bus type (ISA,EISA,PCI) */
-
-	unsigned int irq_level;			/* interrupt level */
-	unsigned long irq_flags;
-	bool irq_requested;			/* true if IRQ requested */
-
-	MGSL_PARAMS params;			/* communications parameters */
-
-	unsigned char serial_signals;		/* current serial signal states */
-
-	bool irq_occurred;			/* for diagnostics use */
-	unsigned int init_error;		/* Initialization startup error */
-
-	u32 last_mem_alloc;
-	unsigned char* memory_base;		/* shared memory address (PCI only) */
-	u32 phys_memory_base;
-    	int shared_mem_requested;
-
-	unsigned char* sca_base;		/* HD64570 SCA Memory address */
-	u32 phys_sca_base;
-	u32 sca_offset;
-	bool sca_base_requested;
-
-	unsigned char* lcr_base;		/* local config registers (PCI only) */
-	u32 phys_lcr_base;
-	u32 lcr_offset;
-	int lcr_mem_requested;
-
-	unsigned char* statctrl_base;		/* status/control register memory */
-	u32 phys_statctrl_base;
-	u32 statctrl_offset;
-	bool sca_statctrl_requested;
-
-	u32 misc_ctrl_value;
-	char flag_buf[MAX_ASYNC_BUFFER_SIZE];
-	char char_buf[MAX_ASYNC_BUFFER_SIZE];
-	bool drop_rts_on_tx_done;
-
-	struct	_input_signal_events	input_signal_events;
-
-	/* SPPP/Cisco HDLC device parts */
-	int netcount;
-	spinlock_t netlock;
-
-#if SYNCLINK_GENERIC_HDLC
-	struct net_device *netdev;
-#endif
-
-} SLMP_INFO;
-
-#define MGSL_MAGIC 0x5401
-
-/*
- * define serial signal status change macros
- */
-#define	MISCSTATUS_DCD_LATCHED	(SerialSignal_DCD<<8)	/* indicates change in DCD */
-#define MISCSTATUS_RI_LATCHED	(SerialSignal_RI<<8)	/* indicates change in RI */
-#define MISCSTATUS_CTS_LATCHED	(SerialSignal_CTS<<8)	/* indicates change in CTS */
-#define MISCSTATUS_DSR_LATCHED	(SerialSignal_DSR<<8)	/* change in DSR */
-
-/* Common Register macros */
-#define LPR	0x00
-#define PABR0	0x02
-#define PABR1	0x03
-#define WCRL	0x04
-#define WCRM	0x05
-#define WCRH	0x06
-#define DPCR	0x08
-#define DMER	0x09
-#define ISR0	0x10
-#define ISR1	0x11
-#define ISR2	0x12
-#define IER0	0x14
-#define IER1	0x15
-#define IER2	0x16
-#define ITCR	0x18
-#define INTVR 	0x1a
-#define IMVR	0x1c
-
-/* MSCI Register macros */
-#define TRB	0x20
-#define TRBL	0x20
-#define TRBH	0x21
-#define SR0	0x22
-#define SR1	0x23
-#define SR2	0x24
-#define SR3	0x25
-#define FST	0x26
-#define IE0	0x28
-#define IE1	0x29
-#define IE2	0x2a
-#define FIE	0x2b
-#define CMD	0x2c
-#define MD0	0x2e
-#define MD1	0x2f
-#define MD2	0x30
-#define CTL	0x31
-#define SA0	0x32
-#define SA1	0x33
-#define IDL	0x34
-#define TMC	0x35
-#define RXS	0x36
-#define TXS	0x37
-#define TRC0	0x38
-#define TRC1	0x39
-#define RRC	0x3a
-#define CST0	0x3c
-#define CST1	0x3d
-
-/* Timer Register Macros */
-#define TCNT	0x60
-#define TCNTL	0x60
-#define TCNTH	0x61
-#define TCONR	0x62
-#define TCONRL	0x62
-#define TCONRH	0x63
-#define TMCS	0x64
-#define TEPR	0x65
-
-/* DMA Controller Register macros */
-#define DARL	0x80
-#define DARH	0x81
-#define DARB	0x82
-#define BAR	0x80
-#define BARL	0x80
-#define BARH	0x81
-#define BARB	0x82
-#define SAR	0x84
-#define SARL	0x84
-#define SARH	0x85
-#define SARB	0x86
-#define CPB	0x86
-#define CDA	0x88
-#define CDAL	0x88
-#define CDAH	0x89
-#define EDA	0x8a
-#define EDAL	0x8a
-#define EDAH	0x8b
-#define BFL	0x8c
-#define BFLL	0x8c
-#define BFLH	0x8d
-#define BCR	0x8e
-#define BCRL	0x8e
-#define BCRH	0x8f
-#define DSR	0x90
-#define DMR	0x91
-#define FCT	0x93
-#define DIR	0x94
-#define DCMD	0x95
-
-/* combine with timer or DMA register address */
-#define TIMER0	0x00
-#define TIMER1	0x08
-#define TIMER2	0x10
-#define TIMER3	0x18
-#define RXDMA 	0x00
-#define TXDMA 	0x20
-
-/* SCA Command Codes */
-#define NOOP		0x00
-#define TXRESET		0x01
-#define TXENABLE	0x02
-#define TXDISABLE	0x03
-#define TXCRCINIT	0x04
-#define TXCRCEXCL	0x05
-#define TXEOM		0x06
-#define TXABORT		0x07
-#define MPON		0x08
-#define TXBUFCLR	0x09
-#define RXRESET		0x11
-#define RXENABLE	0x12
-#define RXDISABLE	0x13
-#define RXCRCINIT	0x14
-#define RXREJECT	0x15
-#define SEARCHMP	0x16
-#define RXCRCEXCL	0x17
-#define RXCRCCALC	0x18
-#define CHRESET		0x21
-#define HUNT		0x31
-
-/* DMA command codes */
-#define SWABORT		0x01
-#define FEICLEAR	0x02
-
-/* IE0 */
-#define TXINTE 		BIT7
-#define RXINTE 		BIT6
-#define TXRDYE 		BIT1
-#define RXRDYE 		BIT0
-
-/* IE1 & SR1 */
-#define UDRN   	BIT7
-#define IDLE   	BIT6
-#define SYNCD  	BIT4
-#define FLGD   	BIT4
-#define CCTS   	BIT3
-#define CDCD   	BIT2
-#define BRKD   	BIT1
-#define ABTD   	BIT1
-#define GAPD   	BIT1
-#define BRKE   	BIT0
-#define IDLD	BIT0
-
-/* IE2 & SR2 */
-#define EOM	BIT7
-#define PMP	BIT6
-#define SHRT	BIT6
-#define PE	BIT5
-#define ABT	BIT5
-#define FRME	BIT4
-#define RBIT	BIT4
-#define OVRN	BIT3
-#define CRCE	BIT2
-
-
-/*
- * Global linked list of SyncLink devices
- */
-static SLMP_INFO *synclinkmp_device_list = NULL;
-static int synclinkmp_adapter_count = -1;
-static int synclinkmp_device_count = 0;
-
-/*
- * Set this param to non-zero to load eax with the
- * .text section address and breakpoint on module load.
- * This is useful for use with gdb and add-symbol-file command.
- */
-static int break_on_load = 0;
-
-/*
- * Driver major number, defaults to zero to get auto
- * assigned major number. May be forced as module parameter.
- */
-static int ttymajor = 0;
-
-/*
- * Array of user specified options for ISA adapters.
- */
-static int debug_level = 0;
-static int maxframe[MAX_DEVICES] = {0,};
-
-module_param(break_on_load, bool, 0);
-module_param(ttymajor, int, 0);
-module_param(debug_level, int, 0);
-module_param_array(maxframe, int, NULL, 0);
-
-static char *driver_name = "SyncLink MultiPort driver";
-static char *driver_version = "$Revision: 4.38 $";
-
-static int synclinkmp_init_one(struct pci_dev *dev,const struct pci_device_id *ent);
-static void synclinkmp_remove_one(struct pci_dev *dev);
-
-static struct pci_device_id synclinkmp_pci_tbl[] = {
-	{ PCI_VENDOR_ID_MICROGATE, PCI_DEVICE_ID_MICROGATE_SCA, PCI_ANY_ID, PCI_ANY_ID, },
-	{ 0, }, /* terminate list */
-};
-MODULE_DEVICE_TABLE(pci, synclinkmp_pci_tbl);
-
-MODULE_LICENSE("GPL");
-
-static struct pci_driver synclinkmp_pci_driver = {
-	.name		= "synclinkmp",
-	.id_table	= synclinkmp_pci_tbl,
-	.probe		= synclinkmp_init_one,
-	.remove		= __devexit_p(synclinkmp_remove_one),
-};
-
-
-static struct tty_driver *serial_driver;
-
-/* number of characters left in xmit buffer before we ask for more */
-#define WAKEUP_CHARS 256
-
-
-/* tty callbacks */
-
-static int  open(struct tty_struct *tty, struct file * filp);
-static void close(struct tty_struct *tty, struct file * filp);
-static void hangup(struct tty_struct *tty);
-static void set_termios(struct tty_struct *tty, struct ktermios *old_termios);
-
-static int  write(struct tty_struct *tty, const unsigned char *buf, int count);
-static int put_char(struct tty_struct *tty, unsigned char ch);
-static void send_xchar(struct tty_struct *tty, char ch);
-static void wait_until_sent(struct tty_struct *tty, int timeout);
-static int  write_room(struct tty_struct *tty);
-static void flush_chars(struct tty_struct *tty);
-static void flush_buffer(struct tty_struct *tty);
-static void tx_hold(struct tty_struct *tty);
-static void tx_release(struct tty_struct *tty);
-
-static int  ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg);
-static int  chars_in_buffer(struct tty_struct *tty);
-static void throttle(struct tty_struct * tty);
-static void unthrottle(struct tty_struct * tty);
-static int set_break(struct tty_struct *tty, int break_state);
-
-#if SYNCLINK_GENERIC_HDLC
-#define dev_to_port(D) (dev_to_hdlc(D)->priv)
-static void hdlcdev_tx_done(SLMP_INFO *info);
-static void hdlcdev_rx(SLMP_INFO *info, char *buf, int size);
-static int  hdlcdev_init(SLMP_INFO *info);
-static void hdlcdev_exit(SLMP_INFO *info);
-#endif
-
-/* ioctl handlers */
-
-static int  get_stats(SLMP_INFO *info, struct mgsl_icount __user *user_icount);
-static int  get_params(SLMP_INFO *info, MGSL_PARAMS __user *params);
-static int  set_params(SLMP_INFO *info, MGSL_PARAMS __user *params);
-static int  get_txidle(SLMP_INFO *info, int __user *idle_mode);
-static int  set_txidle(SLMP_INFO *info, int idle_mode);
-static int  tx_enable(SLMP_INFO *info, int enable);
-static int  tx_abort(SLMP_INFO *info);
-static int  rx_enable(SLMP_INFO *info, int enable);
-static int  modem_input_wait(SLMP_INFO *info,int arg);
-static int  wait_mgsl_event(SLMP_INFO *info, int __user *mask_ptr);
-static int  tiocmget(struct tty_struct *tty);
-static int  tiocmset(struct tty_struct *tty,
-			unsigned int set, unsigned int clear);
-static int  set_break(struct tty_struct *tty, int break_state);
-
-static void add_device(SLMP_INFO *info);
-static void device_init(int adapter_num, struct pci_dev *pdev);
-static int  claim_resources(SLMP_INFO *info);
-static void release_resources(SLMP_INFO *info);
-
-static int  startup(SLMP_INFO *info);
-static int  block_til_ready(struct tty_struct *tty, struct file * filp,SLMP_INFO *info);
-static int carrier_raised(struct tty_port *port);
-static void shutdown(SLMP_INFO *info);
-static void program_hw(SLMP_INFO *info);
-static void change_params(SLMP_INFO *info);
-
-static bool init_adapter(SLMP_INFO *info);
-static bool register_test(SLMP_INFO *info);
-static bool irq_test(SLMP_INFO *info);
-static bool loopback_test(SLMP_INFO *info);
-static int  adapter_test(SLMP_INFO *info);
-static bool memory_test(SLMP_INFO *info);
-
-static void reset_adapter(SLMP_INFO *info);
-static void reset_port(SLMP_INFO *info);
-static void async_mode(SLMP_INFO *info);
-static void hdlc_mode(SLMP_INFO *info);
-
-static void rx_stop(SLMP_INFO *info);
-static void rx_start(SLMP_INFO *info);
-static void rx_reset_buffers(SLMP_INFO *info);
-static void rx_free_frame_buffers(SLMP_INFO *info, unsigned int first, unsigned int last);
-static bool rx_get_frame(SLMP_INFO *info);
-
-static void tx_start(SLMP_INFO *info);
-static void tx_stop(SLMP_INFO *info);
-static void tx_load_fifo(SLMP_INFO *info);
-static void tx_set_idle(SLMP_INFO *info);
-static void tx_load_dma_buffer(SLMP_INFO *info, const char *buf, unsigned int count);
-
-static void get_signals(SLMP_INFO *info);
-static void set_signals(SLMP_INFO *info);
-static void enable_loopback(SLMP_INFO *info, int enable);
-static void set_rate(SLMP_INFO *info, u32 data_rate);
-
-static int  bh_action(SLMP_INFO *info);
-static void bh_handler(struct work_struct *work);
-static void bh_receive(SLMP_INFO *info);
-static void bh_transmit(SLMP_INFO *info);
-static void bh_status(SLMP_INFO *info);
-static void isr_timer(SLMP_INFO *info);
-static void isr_rxint(SLMP_INFO *info);
-static void isr_rxrdy(SLMP_INFO *info);
-static void isr_txint(SLMP_INFO *info);
-static void isr_txrdy(SLMP_INFO *info);
-static void isr_rxdmaok(SLMP_INFO *info);
-static void isr_rxdmaerror(SLMP_INFO *info);
-static void isr_txdmaok(SLMP_INFO *info);
-static void isr_txdmaerror(SLMP_INFO *info);
-static void isr_io_pin(SLMP_INFO *info, u16 status);
-
-static int  alloc_dma_bufs(SLMP_INFO *info);
-static void free_dma_bufs(SLMP_INFO *info);
-static int  alloc_buf_list(SLMP_INFO *info);
-static int  alloc_frame_bufs(SLMP_INFO *info, SCADESC *list, SCADESC_EX *list_ex,int count);
-static int  alloc_tmp_rx_buf(SLMP_INFO *info);
-static void free_tmp_rx_buf(SLMP_INFO *info);
-
-static void load_pci_memory(SLMP_INFO *info, char* dest, const char* src, unsigned short count);
-static void trace_block(SLMP_INFO *info, const char* data, int count, int xmit);
-static void tx_timeout(unsigned long context);
-static void status_timeout(unsigned long context);
-
-static unsigned char read_reg(SLMP_INFO *info, unsigned char addr);
-static void write_reg(SLMP_INFO *info, unsigned char addr, unsigned char val);
-static u16 read_reg16(SLMP_INFO *info, unsigned char addr);
-static void write_reg16(SLMP_INFO *info, unsigned char addr, u16 val);
-static unsigned char read_status_reg(SLMP_INFO * info);
-static void write_control_reg(SLMP_INFO * info);
-
-
-static unsigned char rx_active_fifo_level = 16;	// rx request FIFO activation level in bytes
-static unsigned char tx_active_fifo_level = 16;	// tx request FIFO activation level in bytes
-static unsigned char tx_negate_fifo_level = 32;	// tx request FIFO negation level in bytes
-
-static u32 misc_ctrl_value = 0x007e4040;
-static u32 lcr1_brdr_value = 0x00800028;
-
-static u32 read_ahead_count = 8;
-
-/* DPCR, DMA Priority Control
- *
- * 07..05  Not used, must be 0
- * 04      BRC, bus release condition: 0=all transfers complete
- *              1=release after 1 xfer on all channels
- * 03      CCC, channel change condition: 0=every cycle
- *              1=after each channel completes all xfers
- * 02..00  PR<2..0>, priority 100=round robin
- *
- * 00000100 = 0x00
- */
-static unsigned char dma_priority = 0x04;
-
-// Number of bytes that can be written to shared RAM
-// in a single write operation
-static u32 sca_pci_load_interval = 64;
-
-/*
- * 1st function defined in .text section. Calling this function in
- * init_module() followed by a breakpoint allows a remote debugger
- * (gdb) to get the .text address for the add-symbol-file command.
- * This allows remote debugging of dynamically loadable modules.
- */
-static void* synclinkmp_get_text_ptr(void);
-static void* synclinkmp_get_text_ptr(void) {return synclinkmp_get_text_ptr;}
-
-static inline int sanity_check(SLMP_INFO *info,
-			       char *name, const char *routine)
-{
-#ifdef SANITY_CHECK
-	static const char *badmagic =
-		"Warning: bad magic number for synclinkmp_struct (%s) in %s\n";
-	static const char *badinfo =
-		"Warning: null synclinkmp_struct for (%s) in %s\n";
-
-	if (!info) {
-		printk(badinfo, name, routine);
-		return 1;
-	}
-	if (info->magic != MGSL_MAGIC) {
-		printk(badmagic, name, routine);
-		return 1;
-	}
-#else
-	if (!info)
-		return 1;
-#endif
-	return 0;
-}
-
-/**
- * line discipline callback wrappers
- *
- * The wrappers maintain line discipline references
- * while calling into the line discipline.
- *
- * ldisc_receive_buf  - pass receive data to line discipline
- */
-
-static void ldisc_receive_buf(struct tty_struct *tty,
-			      const __u8 *data, char *flags, int count)
-{
-	struct tty_ldisc *ld;
-	if (!tty)
-		return;
-	ld = tty_ldisc_ref(tty);
-	if (ld) {
-		if (ld->ops->receive_buf)
-			ld->ops->receive_buf(tty, data, flags, count);
-		tty_ldisc_deref(ld);
-	}
-}
-
-/* tty callbacks */
-
-/* Called when a port is opened.  Init and enable port.
- */
-static int open(struct tty_struct *tty, struct file *filp)
-{
-	SLMP_INFO *info;
-	int retval, line;
-	unsigned long flags;
-
-	line = tty->index;
-	if ((line < 0) || (line >= synclinkmp_device_count)) {
-		printk("%s(%d): open with invalid line #%d.\n",
-			__FILE__,__LINE__,line);
-		return -ENODEV;
-	}
-
-	info = synclinkmp_device_list;
-	while(info && info->line != line)
-		info = info->next_device;
-	if (sanity_check(info, tty->name, "open"))
-		return -ENODEV;
-	if ( info->init_error ) {
-		printk("%s(%d):%s device is not allocated, init error=%d\n",
-			__FILE__,__LINE__,info->device_name,info->init_error);
-		return -ENODEV;
-	}
-
-	tty->driver_data = info;
-	info->port.tty = tty;
-
-	if (debug_level >= DEBUG_LEVEL_INFO)
-		printk("%s(%d):%s open(), old ref count = %d\n",
-			 __FILE__,__LINE__,tty->driver->name, info->port.count);
-
-	/* If port is closing, signal caller to try again */
-	if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){
-		if (info->port.flags & ASYNC_CLOSING)
-			interruptible_sleep_on(&info->port.close_wait);
-		retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ?
-			-EAGAIN : -ERESTARTSYS);
-		goto cleanup;
-	}
-
-	info->port.tty->low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0;
-
-	spin_lock_irqsave(&info->netlock, flags);
-	if (info->netcount) {
-		retval = -EBUSY;
-		spin_unlock_irqrestore(&info->netlock, flags);
-		goto cleanup;
-	}
-	info->port.count++;
-	spin_unlock_irqrestore(&info->netlock, flags);
-
-	if (info->port.count == 1) {
-		/* 1st open on this device, init hardware */
-		retval = startup(info);
-		if (retval < 0)
-			goto cleanup;
-	}
-
-	retval = block_til_ready(tty, filp, info);
-	if (retval) {
-		if (debug_level >= DEBUG_LEVEL_INFO)
-			printk("%s(%d):%s block_til_ready() returned %d\n",
-				 __FILE__,__LINE__, info->device_name, retval);
-		goto cleanup;
-	}
-
-	if (debug_level >= DEBUG_LEVEL_INFO)
-		printk("%s(%d):%s open() success\n",
-			 __FILE__,__LINE__, info->device_name);
-	retval = 0;
-
-cleanup:
-	if (retval) {
-		if (tty->count == 1)
-			info->port.tty = NULL; /* tty layer will release tty struct */
-		if(info->port.count)
-			info->port.count--;
-	}
-
-	return retval;
-}
-
-/* Called when port is closed. Wait for remaining data to be
- * sent. Disable port and free resources.
- */
-static void close(struct tty_struct *tty, struct file *filp)
-{
-	SLMP_INFO * info = tty->driver_data;
-
-	if (sanity_check(info, tty->name, "close"))
-		return;
-
-	if (debug_level >= DEBUG_LEVEL_INFO)
-		printk("%s(%d):%s close() entry, count=%d\n",
-			 __FILE__,__LINE__, info->device_name, info->port.count);
-
-	if (tty_port_close_start(&info->port, tty, filp) == 0)
-		goto cleanup;
-
-	mutex_lock(&info->port.mutex);
- 	if (info->port.flags & ASYNC_INITIALIZED)
- 		wait_until_sent(tty, info->timeout);
-
-	flush_buffer(tty);
-	tty_ldisc_flush(tty);
-	shutdown(info);
-	mutex_unlock(&info->port.mutex);
-
-	tty_port_close_end(&info->port, tty);
-	info->port.tty = NULL;
-cleanup:
-	if (debug_level >= DEBUG_LEVEL_INFO)
-		printk("%s(%d):%s close() exit, count=%d\n", __FILE__,__LINE__,
-			tty->driver->name, info->port.count);
-}
-
-/* Called by tty_hangup() when a hangup is signaled.
- * This is the same as closing all open descriptors for the port.
- */
-static void hangup(struct tty_struct *tty)
-{
-	SLMP_INFO *info = tty->driver_data;
-	unsigned long flags;
-
-	if (debug_level >= DEBUG_LEVEL_INFO)
-		printk("%s(%d):%s hangup()\n",
-			 __FILE__,__LINE__, info->device_name );
-
-	if (sanity_check(info, tty->name, "hangup"))
-		return;
-
-	mutex_lock(&info->port.mutex);
-	flush_buffer(tty);
-	shutdown(info);
-
-	spin_lock_irqsave(&info->port.lock, flags);
-	info->port.count = 0;
-	info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
-	info->port.tty = NULL;
-	spin_unlock_irqrestore(&info->port.lock, flags);
-	mutex_unlock(&info->port.mutex);
-
-	wake_up_interruptible(&info->port.open_wait);
-}
-
-/* Set new termios settings
- */
-static void set_termios(struct tty_struct *tty, struct ktermios *old_termios)
-{
-	SLMP_INFO *info = tty->driver_data;
-	unsigned long flags;
-
-	if (debug_level >= DEBUG_LEVEL_INFO)
-		printk("%s(%d):%s set_termios()\n", __FILE__,__LINE__,
-			tty->driver->name );
-
-	change_params(info);
-
-	/* Handle transition to B0 status */
-	if (old_termios->c_cflag & CBAUD &&
-	    !(tty->termios->c_cflag & CBAUD)) {
-		info->serial_signals &= ~(SerialSignal_RTS + SerialSignal_DTR);
-		spin_lock_irqsave(&info->lock,flags);
-	 	set_signals(info);
-		spin_unlock_irqrestore(&info->lock,flags);
-	}
-
-	/* Handle transition away from B0 status */
-	if (!(old_termios->c_cflag & CBAUD) &&
-	    tty->termios->c_cflag & CBAUD) {
-		info->serial_signals |= SerialSignal_DTR;
- 		if (!(tty->termios->c_cflag & CRTSCTS) ||
- 		    !test_bit(TTY_THROTTLED, &tty->flags)) {
-			info->serial_signals |= SerialSignal_RTS;
- 		}
-		spin_lock_irqsave(&info->lock,flags);
-	 	set_signals(info);
-		spin_unlock_irqrestore(&info->lock,flags);
-	}
-
-	/* Handle turning off CRTSCTS */
-	if (old_termios->c_cflag & CRTSCTS &&
-	    !(tty->termios->c_cflag & CRTSCTS)) {
-		tty->hw_stopped = 0;
-		tx_release(tty);
-	}
-}
-
-/* Send a block of data
- *
- * Arguments:
- *
- * 	tty		pointer to tty information structure
- * 	buf		pointer to buffer containing send data
- * 	count		size of send data in bytes
- *
- * Return Value:	number of characters written
- */
-static int write(struct tty_struct *tty,
-		 const unsigned char *buf, int count)
-{
-	int	c, ret = 0;
-	SLMP_INFO *info = tty->driver_data;
-	unsigned long flags;
-
-	if (debug_level >= DEBUG_LEVEL_INFO)
-		printk("%s(%d):%s write() count=%d\n",
-		       __FILE__,__LINE__,info->device_name,count);
-
-	if (sanity_check(info, tty->name, "write"))
-		goto cleanup;
-
-	if (!info->tx_buf)
-		goto cleanup;
-
-	if (info->params.mode == MGSL_MODE_HDLC) {
-		if (count > info->max_frame_size) {
-			ret = -EIO;
-			goto cleanup;
-		}
-		if (info->tx_active)
-			goto cleanup;
-		if (info->tx_count) {
-			/* send accumulated data from send_char() calls */
-			/* as frame and wait before accepting more data. */
-			tx_load_dma_buffer(info, info->tx_buf, info->tx_count);
-			goto start;
-		}
-		ret = info->tx_count = count;
-		tx_load_dma_buffer(info, buf, count);
-		goto start;
-	}
-
-	for (;;) {
-		c = min_t(int, count,
-			min(info->max_frame_size - info->tx_count - 1,
-			    info->max_frame_size - info->tx_put));
-		if (c <= 0)
-			break;
-			
-		memcpy(info->tx_buf + info->tx_put, buf, c);
-
-		spin_lock_irqsave(&info->lock,flags);
-		info->tx_put += c;
-		if (info->tx_put >= info->max_frame_size)
-			info->tx_put -= info->max_frame_size;
-		info->tx_count += c;
-		spin_unlock_irqrestore(&info->lock,flags);
-
-		buf += c;
-		count -= c;
-		ret += c;
-	}
-
-	if (info->params.mode == MGSL_MODE_HDLC) {
-		if (count) {
-			ret = info->tx_count = 0;
-			goto cleanup;
-		}
-		tx_load_dma_buffer(info, info->tx_buf, info->tx_count);
-	}
-start:
- 	if (info->tx_count && !tty->stopped && !tty->hw_stopped) {
-		spin_lock_irqsave(&info->lock,flags);
-		if (!info->tx_active)
-		 	tx_start(info);
-		spin_unlock_irqrestore(&info->lock,flags);
- 	}
-
-cleanup:
-	if (debug_level >= DEBUG_LEVEL_INFO)
-		printk( "%s(%d):%s write() returning=%d\n",
-			__FILE__,__LINE__,info->device_name,ret);
-	return ret;
-}
-
-/* Add a character to the transmit buffer.
- */
-static int put_char(struct tty_struct *tty, unsigned char ch)
-{
-	SLMP_INFO *info = tty->driver_data;
-	unsigned long flags;
-	int ret = 0;
-
-	if ( debug_level >= DEBUG_LEVEL_INFO ) {
-		printk( "%s(%d):%s put_char(%d)\n",
-			__FILE__,__LINE__,info->device_name,ch);
-	}
-
-	if (sanity_check(info, tty->name, "put_char"))
-		return 0;
-
-	if (!info->tx_buf)
-		return 0;
-
-	spin_lock_irqsave(&info->lock,flags);
-
-	if ( (info->params.mode != MGSL_MODE_HDLC) ||
-	     !info->tx_active ) {
-
-		if (info->tx_count < info->max_frame_size - 1) {
-			info->tx_buf[info->tx_put++] = ch;
-			if (info->tx_put >= info->max_frame_size)
-				info->tx_put -= info->max_frame_size;
-			info->tx_count++;
-			ret = 1;
-		}
-	}
-
-	spin_unlock_irqrestore(&info->lock,flags);
-	return ret;
-}
-
-/* Send a high-priority XON/XOFF character
- */
-static void send_xchar(struct tty_struct *tty, char ch)
-{
-	SLMP_INFO *info = tty->driver_data;
-	unsigned long flags;
-
-	if (debug_level >= DEBUG_LEVEL_INFO)
-		printk("%s(%d):%s send_xchar(%d)\n",
-			 __FILE__,__LINE__, info->device_name, ch );
-
-	if (sanity_check(info, tty->name, "send_xchar"))
-		return;
-
-	info->x_char = ch;
-	if (ch) {
-		/* Make sure transmit interrupts are on */
-		spin_lock_irqsave(&info->lock,flags);
-		if (!info->tx_enabled)
-		 	tx_start(info);
-		spin_unlock_irqrestore(&info->lock,flags);
-	}
-}
-
-/* Wait until the transmitter is empty.
- */
-static void wait_until_sent(struct tty_struct *tty, int timeout)
-{
-	SLMP_INFO * info = tty->driver_data;
-	unsigned long orig_jiffies, char_time;
-
-	if (!info )
-		return;
-
-	if (debug_level >= DEBUG_LEVEL_INFO)
-		printk("%s(%d):%s wait_until_sent() entry\n",
-			 __FILE__,__LINE__, info->device_name );
-
-	if (sanity_check(info, tty->name, "wait_until_sent"))
-		return;
-
-	if (!test_bit(ASYNCB_INITIALIZED, &info->port.flags))
-		goto exit;
-
-	orig_jiffies = jiffies;
-
-	/* Set check interval to 1/5 of estimated time to
-	 * send a character, and make it at least 1. The check
-	 * interval should also be less than the timeout.
-	 * Note: use tight timings here to satisfy the NIST-PCTS.
-	 */
-
-	if ( info->params.data_rate ) {
-	       	char_time = info->timeout/(32 * 5);
-		if (!char_time)
-			char_time++;
-	} else
-		char_time = 1;
-
-	if (timeout)
-		char_time = min_t(unsigned long, char_time, timeout);
-
-	if ( info->params.mode == MGSL_MODE_HDLC ) {
-		while (info->tx_active) {
-			msleep_interruptible(jiffies_to_msecs(char_time));
-			if (signal_pending(current))
-				break;
-			if (timeout && time_after(jiffies, orig_jiffies + timeout))
-				break;
-		}
-	} else {
-		/*
-		 * TODO: determine if there is something similar to USC16C32
-		 * 	 TXSTATUS_ALL_SENT status
-		 */
-		while ( info->tx_active && info->tx_enabled) {
-			msleep_interruptible(jiffies_to_msecs(char_time));
-			if (signal_pending(current))
-				break;
-			if (timeout && time_after(jiffies, orig_jiffies + timeout))
-				break;
-		}
-	}
-
-exit:
-	if (debug_level >= DEBUG_LEVEL_INFO)
-		printk("%s(%d):%s wait_until_sent() exit\n",
-			 __FILE__,__LINE__, info->device_name );
-}
-
-/* Return the count of free bytes in transmit buffer
- */
-static int write_room(struct tty_struct *tty)
-{
-	SLMP_INFO *info = tty->driver_data;
-	int ret;
-
-	if (sanity_check(info, tty->name, "writ