staging: sb105x: delete the driver

It's been marked BROKEN for over a year, and no one has stepped up to do
anything with the code, and no one has complained.  So just delete it.
If someone wants to fix it up and merge it "properly", they can revert
this commit.

Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 3189 deletions

diff --git a/drivers/staging/sb105x/sb_pci_mp.c b/drivers/staging/sb105x/sb_pci_mp.c
deleted file mode 100644
index c9d6ee3903ad..000000000000
--- a/drivers/staging/sb105x/sb_pci_mp.c
+++ /dev/null
@@ -1,3189 +0,0 @@
-#include "sb_pci_mp.h"
-#include <linux/module.h>
-#include <linux/parport.h>
-
-extern struct parport *parport_pc_probe_port(unsigned long base_lo,
-		unsigned long base_hi,
-		int irq, int dma,
-		struct device *dev,
-		int irqflags);
-
-static struct mp_device_t mp_devs[MAX_MP_DEV];
-static int mp_nrpcibrds = sizeof(mp_pciboards)/sizeof(mppcibrd_t);
-static int NR_BOARD=0;
-static int NR_PORTS=0;
-static struct mp_port multi_ports[MAX_MP_PORT];
-static struct irq_info irq_lists[NR_IRQS];
-
-static _INLINE_ unsigned int serial_in(struct mp_port *mtpt, int offset);
-static _INLINE_ void serial_out(struct mp_port *mtpt, int offset, int value);
-static _INLINE_ unsigned int read_option_register(struct mp_port *mtpt, int offset);
-static int sb1054_get_register(struct sb_uart_port *port, int page, int reg);
-static int sb1054_set_register(struct sb_uart_port *port, int page, int reg, int value);
-static void SendATCommand(struct mp_port *mtpt);
-static int set_deep_fifo(struct sb_uart_port *port, int status);
-static int get_deep_fifo(struct sb_uart_port *port);
-static int get_device_type(int arg);
-static int set_auto_rts(struct sb_uart_port *port, int status);
-static void mp_stop(struct tty_struct *tty);
-static void __mp_start(struct tty_struct *tty);
-static void mp_start(struct tty_struct *tty);
-static void mp_tasklet_action(unsigned long data);
-static inline void mp_update_mctrl(struct sb_uart_port *port, unsigned int set, unsigned int clear);
-static int mp_startup(struct sb_uart_state *state, int init_hw);
-static void mp_shutdown(struct sb_uart_state *state);
-static void mp_change_speed(struct sb_uart_state *state, struct MP_TERMIOS *old_termios);
-
-static inline int __mp_put_char(struct sb_uart_port *port, struct circ_buf *circ, unsigned char c);
-static int mp_put_char(struct tty_struct *tty, unsigned char ch);
-
-static void mp_put_chars(struct tty_struct *tty);
-static int mp_write(struct tty_struct *tty, const unsigned char *buf, int count);
-static int mp_write_room(struct tty_struct *tty);
-static int mp_chars_in_buffer(struct tty_struct *tty);
-static void mp_flush_buffer(struct tty_struct *tty);
-static void mp_send_xchar(struct tty_struct *tty, char ch);
-static void mp_throttle(struct tty_struct *tty);
-static void mp_unthrottle(struct tty_struct *tty);
-static int mp_get_info(struct sb_uart_state *state, struct serial_struct *retinfo);
-static int mp_set_info(struct sb_uart_state *state, struct serial_struct *newinfo);
-static int mp_get_lsr_info(struct sb_uart_state *state, unsigned int *value);
-
-static int mp_tiocmget(struct tty_struct *tty);
-static int mp_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear);
-static int mp_break_ctl(struct tty_struct *tty, int break_state);
-static int mp_do_autoconfig(struct sb_uart_state *state);
-static int mp_wait_modem_status(struct sb_uart_state *state, unsigned long arg);
-static int mp_get_count(struct sb_uart_state *state, struct serial_icounter_struct *icnt);
-static int mp_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg);
-static void mp_set_termios(struct tty_struct *tty, struct MP_TERMIOS *old_termios);
-static void mp_close(struct tty_struct *tty, struct file *filp);
-static void mp_wait_until_sent(struct tty_struct *tty, int timeout);
-static void mp_hangup(struct tty_struct *tty);
-static void mp_update_termios(struct sb_uart_state *state);
-static int mp_block_til_ready(struct file *filp, struct sb_uart_state *state);
-static struct sb_uart_state *uart_get(struct uart_driver *drv, int line);
-static int mp_open(struct tty_struct *tty, struct file *filp);
-static const char *mp_type(struct sb_uart_port *port);
-static void mp_change_pm(struct sb_uart_state *state, int pm_state);
-static inline void mp_report_port(struct uart_driver *drv, struct sb_uart_port *port);
-static void mp_configure_port(struct uart_driver *drv, struct sb_uart_state *state, struct sb_uart_port *port);
-static void mp_unconfigure_port(struct uart_driver *drv, struct sb_uart_state *state);
-static int mp_register_driver(struct uart_driver *drv);
-static void mp_unregister_driver(struct uart_driver *drv);
-static int mp_add_one_port(struct uart_driver *drv, struct sb_uart_port *port);
-static int mp_remove_one_port(struct uart_driver *drv, struct sb_uart_port *port);
-static void autoconfig(struct mp_port *mtpt, unsigned int probeflags);
-static void autoconfig_irq(struct mp_port *mtpt);
-static void multi_stop_tx(struct sb_uart_port *port);
-static void multi_start_tx(struct sb_uart_port *port);
-static void multi_stop_rx(struct sb_uart_port *port);
-static void multi_enable_ms(struct sb_uart_port *port);
-static _INLINE_ void receive_chars(struct mp_port *mtpt, int *status );
-static _INLINE_ void transmit_chars(struct mp_port *mtpt);
-static _INLINE_ void check_modem_status(struct mp_port *mtpt);
-static inline void multi_handle_port(struct mp_port *mtpt);
-static irqreturn_t multi_interrupt(int irq, void *dev_id);
-static void serial_do_unlink(struct irq_info *i, struct mp_port *mtpt);
-static int serial_link_irq_chain(struct mp_port *mtpt);
-static void serial_unlink_irq_chain(struct mp_port *mtpt);
-static void multi_timeout(unsigned long data);
-static unsigned int multi_tx_empty(struct sb_uart_port *port);
-static unsigned int multi_get_mctrl(struct sb_uart_port *port);
-static void multi_set_mctrl(struct sb_uart_port *port, unsigned int mctrl);
-static void multi_break_ctl(struct sb_uart_port *port, int break_state);
-static int multi_startup(struct sb_uart_port *port);
-static void multi_shutdown(struct sb_uart_port *port);
-static unsigned int multi_get_divisor(struct sb_uart_port *port, unsigned int baud);
-static void multi_set_termios(struct sb_uart_port *port, struct MP_TERMIOS *termios, struct MP_TERMIOS *old);
-static void multi_pm(struct sb_uart_port *port, unsigned int state, unsigned int oldstate);
-static void multi_release_std_resource(struct mp_port *mtpt);
-static void multi_release_port(struct sb_uart_port *port);
-static int multi_request_port(struct sb_uart_port *port);
-static void multi_config_port(struct sb_uart_port *port, int flags);
-static int multi_verify_port(struct sb_uart_port *port, struct serial_struct *ser);
-static const char *multi_type(struct sb_uart_port *port);
-static void __init multi_init_ports(void);
-static void __init multi_register_ports(struct uart_driver *drv);
-static int init_mp_dev(struct pci_dev *pcidev, mppcibrd_t brd);
-
-static int deep[256];
-static int deep_count;
-static int fcr_arr[256];
-static int fcr_count;
-static int ttr[256];
-static int ttr_count;
-static int rtr[256];
-static int rtr_count;
-
-module_param_array(deep,int,&deep_count,0);
-module_param_array(fcr_arr,int,&fcr_count,0);
-module_param_array(ttr,int,&ttr_count,0);
-module_param_array(rtr,int,&rtr_count,0);
-
-static _INLINE_ unsigned int serial_in(struct mp_port *mtpt, int offset)
-{
-	return inb(mtpt->port.iobase + offset);
-}
-
-static _INLINE_ void serial_out(struct mp_port *mtpt, int offset, int value)
-{
-	outb(value, mtpt->port.iobase + offset);
-}
-
-static _INLINE_ unsigned int read_option_register(struct mp_port *mtpt, int offset)
-{
-	return inb(mtpt->option_base_addr + offset);
-}
-
-static int sb1053a_get_interface(struct mp_port *mtpt, int port_num)
-{
-	unsigned long option_base_addr = mtpt->option_base_addr;
-	unsigned int  interface = 0;
-
-	switch (port_num)
-	{
-		case 0:
-		case 1:
-			/* set GPO[1:0] = 00 */
-			outb(0x00, option_base_addr + MP_OPTR_GPODR);
-			break;
-		case 2:
-		case 3:
-			/* set GPO[1:0] = 01 */
-			outb(0x01, option_base_addr + MP_OPTR_GPODR);
-			break;
-		case 4:
-		case 5:
-			/* set GPO[1:0] = 10 */
-			outb(0x02, option_base_addr + MP_OPTR_GPODR);
-			break;
-		default:
-			break;
-	}
-
-	port_num &= 0x1;
-
-	/* get interface */
-	interface = inb(option_base_addr + MP_OPTR_IIR0 + port_num);
-
-	/* set GPO[1:0] = 11 */
-	outb(0x03, option_base_addr + MP_OPTR_GPODR);
-
-	return (interface);
-}
-		
-static int sb1054_get_register(struct sb_uart_port *port, int page, int reg)
-{
-	int ret = 0;
-	unsigned int lcr = 0;
-	unsigned int mcr = 0;
-	unsigned int tmp = 0;
-
-	if( page <= 0)
-	{
-		printk(" page 0 can not use this function\n");
-		return -1;
-	}
-
-	switch(page)
-	{
-		case 1:
-			lcr = SB105X_GET_LCR(port);
-			tmp = lcr | SB105X_LCR_DLAB;
-			SB105X_PUT_LCR(port, tmp);
-
-			tmp = SB105X_GET_LCR(port);
-
-			ret = SB105X_GET_REG(port,reg);
-			SB105X_PUT_LCR(port,lcr);
-			break;
-		case 2:
-			mcr = SB105X_GET_MCR(port);
-			tmp = mcr | SB105X_MCR_P2S;
-			SB105X_PUT_MCR(port,tmp);
-
-			ret = SB105X_GET_REG(port,reg);
-
-			SB105X_PUT_MCR(port,mcr);
-			break;
-		case 3:
-			lcr = SB105X_GET_LCR(port);
-			tmp = lcr | SB105X_LCR_BF;
-			SB105X_PUT_LCR(port,tmp);
-			SB105X_PUT_REG(port,SB105X_PSR,SB105X_PSR_P3KEY);
-
-			ret = SB105X_GET_REG(port,reg);
-
-			SB105X_PUT_LCR(port,lcr);
-			break;
-		case 4:
-			lcr = SB105X_GET_LCR(port);
-			tmp = lcr | SB105X_LCR_BF;
-			SB105X_PUT_LCR(port,tmp);
-			SB105X_PUT_REG(port,SB105X_PSR,SB105X_PSR_P4KEY);
-
-			ret = SB105X_GET_REG(port,reg);
-
-			SB105X_PUT_LCR(port,lcr);
-			break;
-		default:
-			printk(" error invalid page number \n");
-			return -1;
-	}
-
-	return ret;
-}
-
-static int sb1054_set_register(struct sb_uart_port *port, int page, int reg, int value)
-{  
-	int lcr = 0;
-	int mcr = 0;
-	int ret = 0;
-
-	if( page <= 0)
-	{
-		printk(" page 0 can not use this function\n");
-		return -1;
-	}
-	switch(page)
-	{
-		case 1:
-			lcr = SB105X_GET_LCR(port);
-			SB105X_PUT_LCR(port, lcr | SB105X_LCR_DLAB);
-
-			SB105X_PUT_REG(port,reg,value);
-
-			SB105X_PUT_LCR(port, lcr);
-			ret = 1;
-			break;
-		case 2:
-			mcr = SB105X_GET_MCR(port);
-			SB105X_PUT_MCR(port, mcr | SB105X_MCR_P2S);
-
-			SB105X_PUT_REG(port,reg,value);
-
-			SB105X_PUT_MCR(port, mcr);
-			ret = 1;
-			break;
-		case 3:
-			lcr = SB105X_GET_LCR(port);
-			SB105X_PUT_LCR(port, lcr | SB105X_LCR_BF);
-			SB105X_PUT_PSR(port, SB105X_PSR_P3KEY);
-
-			SB105X_PUT_REG(port,reg,value);
-
-			SB105X_PUT_LCR(port, lcr);
-			ret = 1;
-			break;
-		case 4:
-			lcr = SB105X_GET_LCR(port);
-			SB105X_PUT_LCR(port, lcr | SB105X_LCR_BF);
-			SB105X_PUT_PSR(port, SB105X_PSR_P4KEY);
-
-			SB105X_PUT_REG(port,reg,value);
-
-			SB105X_PUT_LCR(port, lcr);
-			ret = 1;
-			break;
-		default:
-			printk(" error invalid page number \n");
-			return -1;
-	}
-
-	return ret;
-}
-
-static int set_multidrop_mode(struct sb_uart_port *port, unsigned int mode)
-{
-	int mdr = SB105XA_MDR_NPS;
-
-	if (mode & MDMODE_ENABLE)
-	{
-		mdr |= SB105XA_MDR_MDE;
-	}
-
-	if (1) //(mode & MDMODE_AUTO)
-	{
-		int efr = 0;
-		mdr |= SB105XA_MDR_AME;
-		efr = sb1054_get_register(port, PAGE_3, SB105X_EFR);
-		efr |= SB105X_EFR_SCD;
-		sb1054_set_register(port, PAGE_3, SB105X_EFR, efr);
-	}
-
-	sb1054_set_register(port, PAGE_1, SB105XA_MDR, mdr);
-	port->mdmode &= ~0x6;
-	port->mdmode |= mode;
-	printk("[%d] multidrop init: %x\n", port->line, port->mdmode);
-
-	return 0;
-}
-
-static int get_multidrop_addr(struct sb_uart_port *port)
-{
-	return sb1054_get_register(port, PAGE_3, SB105X_XOFF2);
-}
-
-static int set_multidrop_addr(struct sb_uart_port *port, unsigned int addr)
-{
-	sb1054_set_register(port, PAGE_3, SB105X_XOFF2, addr);
-
-	return 0;
-}
-
-static void SendATCommand(struct mp_port *mtpt)
-{
-	//		      a    t	cr   lf
-	unsigned char ch[] = {0x61,0x74,0x0d,0x0a,0x0};
-	unsigned char lineControl;
-	unsigned char i=0;
-	unsigned char Divisor = 0xc;
-
-	lineControl = serial_inp(mtpt,UART_LCR);
-	serial_outp(mtpt,UART_LCR,(lineControl | UART_LCR_DLAB));
-	serial_outp(mtpt,UART_DLL,(Divisor & 0xff));
-	serial_outp(mtpt,UART_DLM,(Divisor & 0xff00)>>8); //baudrate is 4800
-
-
-	serial_outp(mtpt,UART_LCR,lineControl);	
-	serial_outp(mtpt,UART_LCR,0x03); // N-8-1
-	serial_outp(mtpt,UART_FCR,7); 
-	serial_outp(mtpt,UART_MCR,0x3);
-	while(ch[i]){
-		while((serial_inp(mtpt,UART_LSR) & 0x60) !=0x60){
-			;
-		}
-		serial_outp(mtpt,0,ch[i++]);
-	}
-
-
-}// end of SendATCommand()
-
-static int set_deep_fifo(struct sb_uart_port *port, int status)
-{
-	int afr_status = 0;
-	afr_status = sb1054_get_register(port, PAGE_4, SB105X_AFR);
-
-	if(status == ENABLE)
-	{
-		afr_status |= SB105X_AFR_AFEN;
-	}
-	else
-	{
-		afr_status &= ~SB105X_AFR_AFEN;
-	}
-		
-	sb1054_set_register(port,PAGE_4,SB105X_AFR,afr_status);
-	sb1054_set_register(port,PAGE_4,SB105X_TTR,ttr[port->line]); 
-	sb1054_set_register(port,PAGE_4,SB105X_RTR,rtr[port->line]); 
-	afr_status = sb1054_get_register(port, PAGE_4, SB105X_AFR);
-		
-	return afr_status;
-}
-
-static int get_device_type(int arg)
-{
-	int ret;
-        ret = inb(mp_devs[arg].option_reg_addr+MP_OPTR_DIR0);
-        ret = (ret & 0xf0) >> 4;
-        switch (ret)
-        {
-               case DIR_UART_16C550:
-                    return PORT_16C55X;
-               case DIR_UART_16C1050:
-                    return PORT_16C105X;
-               case DIR_UART_16C1050A:
-               /*
-               if (mtpt->port.line < 2)
-               {
-                    return PORT_16C105XA;
-               }
-               else
-               {
-                   if (mtpt->device->device_id & 0x50)
-                   {
-                       return PORT_16C55X;
-                   }
-                   else
-                   {
-                       return PORT_16C105X;
-                   }
-               }*/
-               return PORT_16C105XA;
-               default:
-                    return PORT_UNKNOWN;
-        }
-
-}
-static int get_deep_fifo(struct sb_uart_port *port)
-{
-	int afr_status = 0;
-	afr_status = sb1054_get_register(port, PAGE_4, SB105X_AFR);
-	return afr_status;
-}
-
-static int set_auto_rts(struct sb_uart_port *port, int status)
-{
-	int atr_status = 0;
-
-#if 0
-	int efr_status = 0;
-
-	efr_status = sb1054_get_register(port, PAGE_3, SB105X_EFR);
-	if(status == ENABLE)
-		efr_status |= SB105X_EFR_ARTS;
-	else
-		efr_status &= ~SB105X_EFR_ARTS;
-	sb1054_set_register(port,PAGE_3,SB105X_EFR,efr_status);
-	efr_status = sb1054_get_register(port, PAGE_3, SB105X_EFR);
-#endif
-		
-//ATR
-	atr_status = sb1054_get_register(port, PAGE_3, SB105X_ATR);
-	switch(status)
-	{
-		case RS422PTP:
-			atr_status = (SB105X_ATR_TPS) | (SB105X_ATR_A80);
-			break;
-		case RS422MD:
-			atr_status = (SB105X_ATR_TPS) | (SB105X_ATR_TCMS) | (SB105X_ATR_A80);
-			break;
-		case RS485NE:
-			atr_status = (SB105X_ATR_RCMS) | (SB105X_ATR_TPS) | (SB105X_ATR_TCMS) | (SB105X_ATR_A80);
-			break;
-		case RS485ECHO:
-			atr_status = (SB105X_ATR_TPS) | (SB105X_ATR_TCMS) | (SB105X_ATR_A80);
-			break;
-	}
-
-	sb1054_set_register(port,PAGE_3,SB105X_ATR,atr_status);
-	atr_status = sb1054_get_register(port, PAGE_3, SB105X_ATR);
-
-	return atr_status;
-}
-
-static void mp_stop(struct tty_struct *tty)
-{
-	struct sb_uart_state *state = tty->driver_data;
-	struct sb_uart_port *port = state->port;
-	unsigned long flags;
-
-	spin_lock_irqsave(&port->lock, flags);
-	port->ops->stop_tx(port);
-	spin_unlock_irqrestore(&port->lock, flags);
-}
-
-static void __mp_start(struct tty_struct *tty)
-{
-	struct sb_uart_state *state = tty->driver_data;
-	struct sb_uart_port *port = state->port;
-
-	if (!uart_circ_empty(&state->info->xmit) && state->info->xmit.buf &&
-			!tty->stopped && !tty->hw_stopped)
-		port->ops->start_tx(port);
-}
-
-static void mp_start(struct tty_struct *tty)
-{
-	__mp_start(tty);
-}
-
-static void mp_tasklet_action(unsigned long data)
-{
-	struct sb_uart_state *state = (struct sb_uart_state *)data;
-	struct tty_struct *tty;
-
-	printk("tasklet is called!\n");
-	tty = state->info->tty;
-	tty_wakeup(tty);
-}
-
-static inline void mp_update_mctrl(struct sb_uart_port *port, unsigned int set, unsigned int clear)
-{
-	unsigned int old;
-
-	old = port->mctrl;
-	port->mctrl = (old & ~clear) | set;
-	if (old != port->mctrl)
-		port->ops->set_mctrl(port, port->mctrl);
-}
-
-#define uart_set_mctrl(port,set)	mp_update_mctrl(port,set,0)
-#define uart_clear_mctrl(port,clear)	mp_update_mctrl(port,0,clear)
-
-static int mp_startup(struct sb_uart_state *state, int init_hw)
-{
-	struct sb_uart_info *info = state->info;
-	struct sb_uart_port *port = state->port;
-	unsigned long page;
-	int retval = 0;
-
-	if (info->flags & UIF_INITIALIZED)
-		return 0;
-
-	if (info->tty)
-		set_bit(TTY_IO_ERROR, &info->tty->flags);
-
-	if (port->type == PORT_UNKNOWN)
-		return 0;
-
-	if (!info->xmit.buf) {
-		page = get_zeroed_page(GFP_KERNEL);
-		if (!page)
-			return -ENOMEM;
-
-		info->xmit.buf = (unsigned char *) page;
-			
-		uart_circ_clear(&info->xmit);
-	}
-
-	retval = port->ops->startup(port);
-	if (retval == 0) {
-		if (init_hw) {
-			mp_change_speed(state, NULL);
-
-			if (info->tty && (info->tty->termios.c_cflag & CBAUD))
-				uart_set_mctrl(port, TIOCM_RTS | TIOCM_DTR);
-		}
-
-		info->flags |= UIF_INITIALIZED;
-
-		if (info->tty)
-			clear_bit(TTY_IO_ERROR, &info->tty->flags);
-	}
-
-	if (retval && capable(CAP_SYS_ADMIN))
-		retval = 0;
-
-	return retval;
-}
-
-static void mp_shutdown(struct sb_uart_state *state)
-{
-	struct sb_uart_info *info = state->info;
-	struct sb_uart_port *port = state->port;
-
-	if (info->tty)
-		set_bit(TTY_IO_ERROR, &info->tty->flags);
-
-	if (info->flags & UIF_INITIALIZED) {
-		info->flags &= ~UIF_INITIALIZED;
-
-		if (!info->tty || (info->tty->termios.c_cflag & HUPCL))
-			uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
-
-		wake_up_interruptible(&info->delta_msr_wait);
-
-		port->ops->shutdown(port);
-
-		synchronize_irq(port->irq);
-	}
-	tasklet_kill(&info->tlet);
-
-	if (info->xmit.buf) {
-		free_page((unsigned long)info->xmit.buf);
-		info->xmit.buf = NULL;
-	}
-}
-
-static void mp_change_speed(struct sb_uart_state *state, struct MP_TERMIOS *old_termios)
-{
-	struct tty_struct *tty = state->info->tty;
-	struct sb_uart_port *port = state->port;
-
-	if (!tty || port->type == PORT_UNKNOWN)
-		return;
-
-	if (tty->termios.c_cflag & CRTSCTS)
-		state->info->flags |= UIF_CTS_FLOW;
-	else
-		state->info->flags &= ~UIF_CTS_FLOW;
-
-	if (tty->termios.c_cflag & CLOCAL)
-		state->info->flags &= ~UIF_CHECK_CD;
-	else
-		state->info->flags |= UIF_CHECK_CD;
-
-	port->ops->set_termios(port, &tty->termios, old_termios);
-}
-
-static inline int __mp_put_char(struct sb_uart_port *port, struct circ_buf *circ, unsigned char c)
-{
-	unsigned long flags;
-	int ret = 0;
-
-	if (!circ->buf)
-		return 0;
-
-	spin_lock_irqsave(&port->lock, flags);
-	if (uart_circ_chars_free(circ) != 0) {
-		circ->buf[circ->head] = c;
-		circ->head = (circ->head + 1) & (UART_XMIT_SIZE - 1);
-		ret = 1;
-	}
-	spin_unlock_irqrestore(&port->lock, flags);
-	return ret;
-}
-
-static int mp_put_char(struct tty_struct *tty, unsigned char ch)
-{
-	struct sb_uart_state *state = tty->driver_data;
-
-	return __mp_put_char(state->port, &state->info->xmit, ch);
-}
-
-static void mp_put_chars(struct tty_struct *tty)
-{
-	mp_start(tty);
-}
-
-static int mp_write(struct tty_struct *tty, const unsigned char *buf, int count)
-{
-	struct sb_uart_state *state = tty->driver_data;
-	struct sb_uart_port *port;
-	struct circ_buf *circ;
-	int c, ret = 0;
-
-	if (!state || !state->info) {
-		return -EL3HLT;
-	}
-
-	port = state->port;
-	circ = &state->info->xmit;
-
-	if (!circ->buf)
-		return 0;
-		
-	while (1) {
-		c = CIRC_SPACE_TO_END(circ->head, circ->tail, UART_XMIT_SIZE);
-		if (count < c)
-			c = count;
-		if (c <= 0)
-			break;
-	memcpy(circ->buf + circ->head, buf, c);
-
-		circ->head = (circ->head + c) & (UART_XMIT_SIZE - 1);
-		buf += c;
-		count -= c;
-		ret += c;
-	}
-	mp_start(tty);
-	return ret;
-}
-
-static int mp_write_room(struct tty_struct *tty)
-{
-	struct sb_uart_state *state = tty->driver_data;
-
-	return uart_circ_chars_free(&state->info->xmit);
-}
-
-static int mp_chars_in_buffer(struct tty_struct *tty)
-{
-	struct sb_uart_state *state = tty->driver_data;
-
-	return uart_circ_chars_pending(&state->info->xmit);
-}
-
-static void mp_flush_buffer(struct tty_struct *tty)
-{
-	struct sb_uart_state *state = tty->driver_data;
-	struct sb_uart_port *port;
-	unsigned long flags;
-
-	if (!state || !state->info) {
-		return;
-	}
-
-	port = state->port;
-	spin_lock_irqsave(&port->lock, flags);
-	uart_circ_clear(&state->info->xmit);
-	spin_unlock_irqrestore(&port->lock, flags);
-	wake_up_interruptible(&tty->write_wait);
-	tty_wakeup(tty);
-}
-
-static void mp_send_xchar(struct tty_struct *tty, char ch)
-{
-	struct sb_uart_state *state = tty->driver_data;
-	struct sb_uart_port *port = state->port;
-	unsigned long flags;
-
-	if (port->ops->send_xchar)
-		port->ops->send_xchar(port, ch);
-	else {
-		port->x_char = ch;
-		if (ch) {
-			spin_lock_irqsave(&port->lock, flags);
-			port->ops->start_tx(port);
-			spin_unlock_irqrestore(&port->lock, flags);
-		}
-	}
-}
-
-static void mp_throttle(struct tty_struct *tty)
-{
-	struct sb_uart_state *state = tty->driver_data;
-
-	if (I_IXOFF(tty))
-		mp_send_xchar(tty, STOP_CHAR(tty));
-
-	if (tty->termios.c_cflag & CRTSCTS)
-		uart_clear_mctrl(state->port, TIOCM_RTS);
-}
-
-static void mp_unthrottle(struct tty_struct *tty)
-{
-	struct sb_uart_state *state = tty->driver_data;
-	struct sb_uart_port *port = state->port;
-
-	if (I_IXOFF(tty)) {
-		if (port->x_char)
-			port->x_char = 0;
-		else
-			mp_send_xchar(tty, START_CHAR(tty));
-	}
-
-	if (tty->termios.c_cflag & CRTSCTS)
-		uart_set_mctrl(port, TIOCM_RTS);
-}
-
-static int mp_get_info(struct sb_uart_state *state, struct serial_struct *retinfo)
-{
-	struct sb_uart_port *port = state->port;
-	struct serial_struct tmp;
-
-	memset(&tmp, 0, sizeof(tmp));
-	tmp.type	    = port->type;
-	tmp.line	    = port->line;
-	tmp.port	    = port->iobase;
-	if (HIGH_BITS_OFFSET)
-		tmp.port_high = (long) port->iobase >> HIGH_BITS_OFFSET;
-	tmp.irq		    = port->irq;
-	tmp.flags	    = port->flags;
-	tmp.xmit_fifo_size  = port->fifosize;
-	tmp.baud_base	    = port->uartclk / 16;
-	tmp.close_delay	    = state->close_delay;
-	tmp.closing_wait    = state->closing_wait == USF_CLOSING_WAIT_NONE ?
-		ASYNC_CLOSING_WAIT_NONE :
-		state->closing_wait;
-	tmp.custom_divisor  = port->custom_divisor;
-	tmp.hub6	    = port->hub6;
-	tmp.io_type         = port->iotype;
-	tmp.iomem_reg_shift = port->regshift;
-	tmp.iomem_base      = (void *)port->mapbase;
-
-	if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
-		return -EFAULT;
-	return 0;
-}
-
-static int mp_set_info(struct sb_uart_state *state, struct serial_struct *newinfo)
-{
-	struct serial_struct new_serial;
-	struct sb_uart_port *port = state->port;
-	unsigned long new_port;
-	unsigned int change_irq, change_port, closing_wait;
-	unsigned int old_custom_divisor;
-	unsigned int old_flags, new_flags;
-	int retval = 0;
-
-	if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
-		return -EFAULT;
-
-	new_port = new_serial.port;
-	if (HIGH_BITS_OFFSET)
-		new_port += (unsigned long) new_serial.port_high << HIGH_BITS_OFFSET;
-
-	new_serial.irq = irq_canonicalize(new_serial.irq);
-
-	closing_wait = new_serial.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
-		USF_CLOSING_WAIT_NONE : new_serial.closing_wait;
-	MP_STATE_LOCK(state);
-
-	change_irq  = new_serial.irq != port->irq;
-	change_port = new_port != port->iobase ||
-		(unsigned long)new_serial.iomem_base != port->mapbase ||
-		new_serial.hub6 != port->hub6 ||
-		new_serial.io_type != port->iotype ||
-		new_serial.iomem_reg_shift != port->regshift ||
-		new_serial.type != port->type;
-	old_flags = port->flags;
-	new_flags = new_serial.flags;
-	old_custom_divisor = port->custom_divisor;
-
-	if (!capable(CAP_SYS_ADMIN)) {
-		retval = -EPERM;
-		if (change_irq || change_port ||
-				(new_serial.baud_base != port->uartclk / 16) ||
-				(new_serial.close_delay != state->close_delay) ||
-				(closing_wait != state->closing_wait) ||
-				(new_serial.xmit_fifo_size != port->fifosize) ||
-				(((new_flags ^ old_flags) & ~UPF_USR_MASK) != 0))
-			goto exit;
-		port->flags = ((port->flags & ~UPF_USR_MASK) |
-				(new_flags & UPF_USR_MASK));
-		port->custom_divisor = new_serial.custom_divisor;
-		goto check_and_exit;
-	}
-
-	if (port->ops->verify_port)
-		retval = port->ops->verify_port(port, &new_serial);
-
-	if ((new_serial.irq >= NR_IRQS) || (new_serial.irq < 0) ||
-			(new_serial.baud_base < 9600))
-		retval = -EINVAL;
-
-	if (retval)
-		goto exit;
-
-	if (change_port || change_irq) {
-		retval = -EBUSY;
-
-		if (uart_users(state) > 1)
-			goto exit;
-
-		mp_shutdown(state);
-	}
-
-	if (change_port) {
-		unsigned long old_iobase, old_mapbase;
-		unsigned int old_type, old_iotype, old_hub6, old_shift;
-
-		old_iobase = port->iobase;
-		old_mapbase = port->mapbase;
-		old_type = port->type;
-		old_hub6 = port->hub6;
-		old_iotype = port->iotype;
-		old_shift = port->regshift;
-
-		if (old_type != PORT_UNKNOWN)
-			port->ops->release_port(port);
-
-		port->iobase = new_port;
-		port->type = new_serial.type;
-		port->hub6 = new_serial.hub6;
-		port->iotype = new_serial.io_type;
-		port->regshift = new_serial.iomem_reg_shift;
-		port->mapbase = (unsigned long)new_serial.iomem_base;
-
-		if (port->type != PORT_UNKNOWN) {
-			retval = port->ops->request_port(port);
-		} else {
-			retval = 0;
-		}
-
-		if (retval && old_type != PORT_UNKNOWN) {
-			port->iobase = old_iobase;
-			port->type = old_type;
-			port->hub6 = old_hub6;
-			port->iotype = old_iotype;
-			port->regshift = old_shift;
-			port->mapbase = old_mapbase;
-			retval = port->ops->request_port(port);
-			if (retval)
-				port->type = PORT_UNKNOWN;
-
-			retval = -EBUSY;
-		}
-	}
-
-	port->irq              = new_serial.irq;
-	port->uartclk          = new_serial.baud_base * 16;
-	port->flags            = (port->flags & ~UPF_CHANGE_MASK) |
-		(new_flags & UPF_CHANGE_MASK);
-	port->custom_divisor   = new_serial.custom_divisor;
-	state->close_delay     = new_serial.close_delay;
-	state->closing_wait    = closing_wait;
-	port->fifosize         = new_serial.xmit_fifo_size;
-	if (state->info->tty)
-		state->info->tty->low_latency =
-			(port->flags & UPF_LOW_LATENCY) ? 1 : 0;
-
-check_and_exit:
-	retval = 0;
-	if (port->type == PORT_UNKNOWN)
-		goto exit;
-	if (state->info->flags & UIF_INITIALIZED) {
-		if (((old_flags ^ port->flags) & UPF_SPD_MASK) ||
-				old_custom_divisor != port->custom_divisor) {
-			if (port->flags & UPF_SPD_MASK) {
-				printk(KERN_NOTICE
-						"%s sets custom speed on ttyMP%d. This "
-						"is deprecated.\n", current->comm,
-						port->line);
-			}
-			mp_change_speed(state, NULL);
-		}
-	} else
-		retval = mp_startup(state, 1);
-exit:
-	MP_STATE_UNLOCK(state);
-	return retval;
-}
-
-
-static int mp_get_lsr_info(struct sb_uart_state *state, unsigned int *value)
-{
-	struct sb_uart_port *port = state->port;
-	unsigned int result;
-
-	result = port->ops->tx_empty(port);
-
-	if (port->x_char ||
-			((uart_circ_chars_pending(&state->info->xmit) > 0) &&
-				!state->info->tty->stopped && !state->info->tty->hw_stopped))
-		result &= ~TIOCSER_TEMT;
-
-	return put_user(result, value);
-}
-
-static int mp_tiocmget(struct tty_struct *tty)
-{
-	struct sb_uart_state *state = tty->driver_data;
-	struct sb_uart_port *port = state->port;
-	int result = -EIO;
-
-	MP_STATE_LOCK(state);
-	if (!(tty->flags & (1 << TTY_IO_ERROR))) {
-		result = port->mctrl;
-		spin_lock_irq(&port->lock);
-		result |= port->ops->get_mctrl(port);
-		spin_unlock_irq(&port->lock);
-	}
-	MP_STATE_UNLOCK(state);
-	return result;
-}
-
-static int mp_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear)
-{
-	struct sb_uart_state *state = tty->driver_data;
-	struct sb_uart_port *port = state->port;
-	int ret = -EIO;
-
-
-	MP_STATE_LOCK(state);
-	if (!(tty->flags & (1 << TTY_IO_ERROR))) {
-		mp_update_mctrl(port, set, clear);
-		ret = 0;
-	}
-	MP_STATE_UNLOCK(state);
-
-	return ret;
-}
-
-static int mp_break_ctl(struct tty_struct *tty, int break_state)
-{
-	struct sb_uart_state *state = tty->driver_data;
-	struct sb_uart_port *port = state->port;
-
-	MP_STATE_LOCK(state);
-
-	if (port->type != PORT_UNKNOWN)
-		port->ops->break_ctl(port, break_state);
-
-	MP_STATE_UNLOCK(state);
-	return 0;
-}
-
-static int mp_do_autoconfig(struct sb_uart_state *state)
-{
-	struct sb_uart_port *port = state->port;
-	int flags, ret;
-
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
-
-	if (mutex_lock_interruptible(&state->mutex))
-		return -ERESTARTSYS;
-	ret = -EBUSY;
-	if (uart_users(state) == 1) {
-		mp_shutdown(state);
-
-		if (port->type != PORT_UNKNOWN)
-			port->ops->release_port(port);
-
-		flags = UART_CONFIG_TYPE;
-		if (port->flags & UPF_AUTO_IRQ)
-			flags |= UART_CONFIG_IRQ;
-
-		port->ops->config_port(port, flags);
-
-		ret = mp_startup(state, 1);
-	}
-	MP_STATE_UNLOCK(state);
-	return ret;
-}
-
-static int mp_wait_modem_status(struct sb_uart_state *state, unsigned long arg)
-{
-	struct sb_uart_port *port = state->port;
-	DECLARE_WAITQUEUE(wait, current);
-	struct sb_uart_icount cprev, cnow;
-	int ret;
-
-	spin_lock_irq(&port->lock);
-	memcpy(&cprev, &port->icount, sizeof(struct sb_uart_icount));
-
-	port->ops->enable_ms(port);
-	spin_unlock_irq(&port->lock);
-
-	add_wait_queue(&state->info->delta_msr_wait, &wait);
-	for (;;) {
-		spin_lock_irq(&port->lock);
-		memcpy(&cnow, &port->icount, sizeof(struct sb_uart_icount));
-		spin_unlock_irq(&port->lock);
-
-		set_current_state(TASK_INTERRUPTIBLE);
-
-		if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
-				((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
-				((arg & TIOCM_CD)  && (cnow.dcd != cprev.dcd)) ||
-				((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) {
-			ret = 0;
-			break;
-		}
-
-		schedule();
-
-		if (signal_pending(current)) {
-			ret = -ERESTARTSYS;
-			break;
-		}
-
-		cprev = cnow;
-	}
-
-	current->state = TASK_RUNNING;
-	remove_wait_queue(&state->info->delta_msr_wait, &wait);
-
-	return ret;
-}
-
-static int mp_get_count(struct sb_uart_state *state, struct serial_icounter_struct *icnt)
-{
-	struct serial_icounter_struct icount = {};
-	struct sb_uart_icount cnow;
-	struct sb_uart_port *port = state->port;
-
-	spin_lock_irq(&port->lock);
-	memcpy(&cnow, &port->icount, sizeof(struct sb_uart_icount));
-	spin_unlock_irq(&port->lock);
-
-	icount.cts         = cnow.cts;
-	icount.dsr         = cnow.dsr;
-	icount.rng         = cnow.rng;
-	icount.dcd         = cnow.dcd;
-	icount.rx          = cnow.rx;
-	icount.tx          = cnow.tx;
-	icount.frame       = cnow.frame;
-	icount.overrun     = cnow.overrun;
-	icount.parity      = cnow.parity;
-	icount.brk         = cnow.brk;
-	icount.buf_overrun = cnow.buf_overrun;
-
-	return copy_to_user(icnt, &icount, sizeof(icount)) ? -EFAULT : 0;
-}
-
-static int mp_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
-{
-	struct sb_uart_state *state = tty->driver_data;
-	struct mp_port *info = (struct mp_port *)state->port;
-	int ret = -ENOIOCTLCMD;
-
-
-	switch (cmd) {
-		case TIOCSMULTIDROP:
-			/* set multi-drop mode enable or disable, and default operation mode is H/W mode */
-			if (info->port.type == PORT_16C105XA)
-			{
-				//arg &= ~0x6;
-				//state->port->mdmode = 0;
-				return set_multidrop_mode((struct sb_uart_port *)info, (unsigned int)arg);
-			}
-			ret = -ENOTSUPP;
-			break;
-		case GETDEEPFIFO:
-			ret = get_deep_fifo(state->port);
-			return ret;
-		case SETDEEPFIFO:
-			ret = set_deep_fifo(state->port,arg);
-			deep[state->port->line] = arg;
-			return ret;
-		case SETTTR:
-			if (info->port.type == PORT_16C105X || info->port.type == PORT_16C105XA){
-				ret = sb1054_set_register(state->port,PAGE_4,SB105X_TTR,arg);
-				ttr[state->port->line] = arg;
-			}
-			return ret;
-		case SETRTR:
-			if (info->port.type == PORT_16C105X || info->port.type == PORT_16C105XA){
-				ret = sb1054_set_register(state->port,PAGE_4,SB105X_RTR,arg);
-				rtr[state->port->line] = arg;
-			}
-			return ret;
-		case GETTTR:
-			if (info->port.type == PORT_16C105X || info->port.type == PORT_16C105XA){
-				ret = sb1054_get_register(state->port,PAGE_4,SB105X_TTR);
-			}
-			return ret;
-		case GETRTR:
-			if (info->port.type == PORT_16C105X || info->port.type == PORT_16C105XA){
-				ret = sb1054_get_register(state->port,PAGE_4,SB105X_RTR);
-			}
-			return ret;
-
-		case SETFCR:
-			if (info->port.type == PORT_16C105X || info->port.type == PORT_16C105XA){
-				ret = sb1054_set_register(state->port,PAGE_1,SB105X_FCR,arg);
-			}
-			else{
-				serial_out(info,2,arg);
-			}
-
-			return ret;
-		case TIOCSMDADDR:
-			/* set multi-drop address */
-			if (info->port.type == PORT_16C105XA)
-			{
-				state->port->mdmode |= MDMODE_ADDR;
-				return set_multidrop_addr((struct sb_uart_port *)info, (unsigned int)arg);
-			}
-			ret = -ENOTSUPP;
-			break;
-
-		case TIOCGMDADDR:
-			/* set multi-drop address */
-			if ((info->port.type == PORT_16C105XA) && (state->port->mdmode & MDMODE_ADDR))
-			{
-				return get_multidrop_addr((struct sb_uart_port *)info);
-			}
-			ret = -ENOTSUPP;
-			break;
-
-		case TIOCSENDADDR:
-			/* send address in multi-drop mode */
-			if ((info->port.type == PORT_16C105XA) 
-					&& (state->port->mdmode & (MDMODE_ENABLE)))
-			{
-				if (mp_chars_in_buffer(tty) > 0)
-				{
-					tty_wait_until_sent(tty, 0);
-				}
-				//while ((serial_in(info, UART_LSR) & 0x60) != 0x60);
-				//while (sb1054_get_register(state->port, PAGE_2, SB105X_TFCR) != 0);
-				while ((serial_in(info, UART_LSR) & 0x60) != 0x60);
-				serial_out(info, UART_SCR, (int)arg);
-			}
-			break;
-
-		case TIOCGSERIAL:
-			ret = mp_get_info(state, (struct serial_struct *)arg);
-			break;
-
-		case TIOCSSERIAL:
-			ret = mp_set_info(state, (struct serial_struct *)arg);
-			break;
-
-		case TIOCSERCONFIG:
-			ret = mp_do_autoconfig(state);
-			break;
-
-		case TIOCSERGWILD: /* obsolete */
-		case TIOCSERSWILD: /* obsolete */
-			ret = 0;
-			break;
-			/* for Multiport */
-		case TIOCGNUMOFPORT: /* Get number of ports */
-			return NR_PORTS;
-		case TIOCGGETDEVID:
-			return mp_devs[arg].device_id;
-		case TIOCGGETREV:
-			return mp_devs[arg].revision;
-		case TIOCGGETNRPORTS:
-			return mp_devs[arg].nr_ports;
-		case TIOCGGETBDNO:
-			return NR_BOARD;
-		case TIOCGGETINTERFACE:
-			if (mp_devs[arg].revision == 0xc0)
-			{
-				/* for SB16C1053APCI */
-				return (sb1053a_get_interface(info, info->port.line));
-			}
-			else
-			{
-				return (inb(mp_devs[arg].option_reg_addr+MP_OPTR_IIR0+(state->port->line/8)));
-			}
-		case TIOCGGETPORTTYPE:
-			ret = get_device_type(arg);
-			return ret;
-		case TIOCSMULTIECHO: /* set to multi-drop mode(RS422) or echo mode(RS485)*/
-			outb( ( inb(info->interface_config_addr) & ~0x03 ) | 0x01 ,  
-					info->interface_config_addr);
-			return 0;
-		case TIOCSPTPNOECHO: /* set to multi-drop mode(RS422) or echo mode(RS485) */
-			outb( ( inb(info->interface_config_addr) & ~0x03 )  ,             
-					info->interface_config_addr);
-			return 0;
-	}
-
-	if (ret != -ENOIOCTLCMD)
-		goto out;
-
-	if (tty->flags & (1 << TTY_IO_ERROR)) {
-		ret = -EIO;
-		goto out;
-	}
-
-	switch (cmd) {
-		case TIOCMIWAIT:
-			ret = mp_wait_modem_status(state, arg);
-			break;
-
-		case TIOCGICOUNT:
-			ret = mp_get_count(state, (struct serial_icounter_struct *)arg);
-			break;
-	}
-
-	if (ret != -ENOIOCTLCMD)
-		goto out;
-
-	MP_STATE_LOCK(state);
-	switch (cmd) {
-		case TIOCSERGETLSR: /* Get line status register */
-			ret = mp_get_lsr_info(state, (unsigned int *)arg);
-			break;
-
-		default: {
-					struct sb_uart_port *port = state->port;
-					if (port->ops->ioctl)
-						ret = port->ops->ioctl(port, cmd, arg);
-					break;
-				}
-	}
-
-	MP_STATE_UNLOCK(state);
-out:
-	return ret;
-}
-
-static void mp_set_termios(struct tty_struct *tty, struct MP_TERMIOS *old_termios)
-{
-	struct sb_uart_state *state = tty->driver_data;
-	unsigned long flags;
-	unsigned int cflag = tty->termios.c_cflag;
-
-#define RELEVANT_IFLAG(iflag)	((iflag) & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
-	if ((cflag ^ old_termios->c_cflag) == 0 &&
-			RELEVANT_IFLAG(tty->termios.c_iflag ^ old_termios->c_iflag) == 0)
-		return;
-
-	mp_change_speed(state, old_termios);
-
-	if ((old_termios->c_cflag & CBAUD) && !(cflag & CBAUD))
-		uart_clear_mctrl(state->port, TIOCM_RTS | TIOCM_DTR);
-
-	if (!(old_termios->c_cflag & CBAUD) && (cflag & CBAUD)) {
-		unsigned int mask = TIOCM_DTR;
-		if (!(cflag & CRTSCTS) ||
-				!test_bit(TTY_THROTTLED, &tty->flags))
-			mask |= TIOCM_RTS;
-		uart_set_mctrl(state->port, mask);
-	}
-
-	if ((old_termios->c_cflag & CRTSCTS) && !(cflag & CRTSCTS)) {
-		spin_lock_irqsave(&state->port->lock, flags);
-		tty->hw_stopped = 0;
-		__mp_start(tty);
-		spin_unlock_irqrestore(&state->port->lock, flags);
-	}
-
-	if (!(old_termios->c_cflag & CRTSCTS) && (cflag & CRTSCTS)) {
-		spin_lock_irqsave(&state->port->lock, flags);
-		if (!(state->port->ops->get_mctrl(state->port) & TIOCM_CTS)) {
-			tty->hw_stopped = 1;
-			state->port->ops->stop_tx(state->port);
-		}
-		spin_unlock_irqrestore(&state->port->lock, flags);
-	}
-}
-
-static void mp_close(struct tty_struct *tty, struct file *filp)
-{
-	struct sb_uart_state *state = tty->driver_data;
-	struct sb_uart_port *port;
-
-	printk("mp_close!\n");
-	if (!state || !state->port)
-		return;
-
-	port = state->port;
-
-	printk("close1 %d\n", __LINE__);
-	MP_STATE_LOCK(state);
-
-	printk("close2 %d\n", __LINE__);
-	if (tty_hung_up_p(filp))
-		goto done;
-
-	printk("close3 %d\n", __LINE__);
-	if ((tty->count == 1) && (state->count != 1)) {
-		printk("mp_close: bad serial port count; tty->count is 1, "
-				"state->count is %d\n", state->count);
-		state->count = 1;
-	}
-	printk("close4 %d\n", __LINE__);
-	if (--state->count < 0) {
-		printk("rs_close: bad serial port count for ttyMP%d: %d\n",
-				port->line, state->count);
-		state->count = 0;
-	}
-	if (state->count)
-		goto done;
-
-	tty->closing = 1;
-
-	printk("close5 %d\n", __LINE__);
-	if (state->closing_wait != USF_CLOSING_WAIT_NONE)
-		tty_wait_until_sent(tty, state->closing_wait);
-
-	printk("close6 %d\n", __LINE__);
-	if (state->info->flags & UIF_INITIALIZED) {
-		unsigned long flags;
-		spin_lock_irqsave(&port->lock, flags);
-		port->ops->stop_rx(port);
-		spin_unlock_irqrestore(&port->lock, flags);
-		mp_wait_until_sent(tty, port->timeout);
-	}
-	printk("close7 %d\n", __LINE__);
-
-	mp_shutdown(state);
-	printk("close8 %d\n", __LINE__);
-	mp_flush_buffer(tty);
-	tty_ldisc_flush(tty);
-	tty->closing = 0;
-	state->info->tty = NULL;
-	if (state->info->blocked_open) 
-	{
-		if (state->close_delay)
-		{
-			set_current_state(TASK_INTERRUPTIBLE);
-			schedule_timeout(state->close_delay);
-		}
-	}
-	else
-	{
-		mp_change_pm(state, 3);
-	}
-	printk("close8 %d\n", __LINE__);
-
-	state->info->flags &= ~UIF_NORMAL_ACTIVE;
-	wake_up_interruptible(&state->info->open_wait);
-
-done:
-	printk("close done\n");
-	MP_STATE_UNLOCK(state);
-	module_put(THIS_MODULE);
-}
-
-static void mp_wait_until_sent(struct tty_struct *tty, int timeout)
-{
-	struct sb_uart_state *state = tty->driver_data;
-	struct sb_uart_port *port = state->port;
-	unsigned long char_time, expire;
-
-	if (port->type == PORT_UNKNOWN || port->fifosize == 0)
-		return;
-
-	char_time = (port->timeout - HZ/50) / port->fifosize;
-	char_time = char_time / 5;
-	if (char_time == 0)
-		char_time = 1;
-	if (timeout && timeout < char_time)
-		char_time = timeout;
-
-	if (timeout == 0 || timeout > 2 * port->timeout)
-		timeout = 2 * port->timeout;
-
-	expire = jiffies + timeout;
-
-	while (!port->ops->tx_empty(port)) {
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(char_time);
-		if (signal_pending(current))
-			break;
-		if (time_after(jiffies, expire))
-			break;
-	}
-	set_current_state(TASK_RUNNING); /* might not be needed */
-}
-
-static void mp_hangup(struct tty_struct *tty)
-{
-	struct sb_uart_state *state = tty->driver_data;
-
-	MP_STATE_LOCK(state);
-	if (state->info && state->info->flags & UIF_NORMAL_ACTIVE) {
-		mp_flush_buffer(tty);
-		mp_shutdown(state);
-		state->count = 0;
-		state->info->flags &= ~UIF_NORMAL_ACTIVE;
-		state->info->tty = NULL;
-		wake_up_interruptible(&state->info->open_wait);
-		wake_up_interruptible(&state->info->delta_msr_wait);
-	}
-	MP_STATE_UNLOCK(state);
-}
-
-static void mp_update_termios(struct sb_uart_state *state)
-{
-	struct tty_struct *tty = state->info->tty;
-	struct sb_uart_port *port = state->port;
-
-	if (!(tty->flags & (1 << TTY_IO_ERROR))) {
-		mp_change_speed(state, NULL);
-
-		if (tty->termios.c_cflag & CBAUD)
-			uart_set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
-	}
-}
-
-static int mp_block_til_ready(struct file *filp, struct sb_uart_state *state)
-{
-	DECLARE_WAITQUEUE(wait, current);
-	struct sb_uart_info *info = state->info;
-	struct sb_uart_port *port = state->port;
-	unsigned int mctrl;
-
-	info->blocked_open++;
-	state->count--;
-
-	add_wait_queue(&info->open_wait, &wait);
-	while (1) {
-		set_current_state(TASK_INTERRUPTIBLE);
-
-		if (tty_hung_up_p(filp) || info->tty == NULL)
-			break;
-
-		if (!(info->flags & UIF_INITIALIZED))
-			break;
-
-		if ((filp->f_flags & O_NONBLOCK) ||
-				(info->tty->termios.c_cflag & CLOCAL) ||
-				(info->tty->flags & (1 << TTY_IO_ERROR))) {
-			break;
-		}
-
-		if (info->tty->termios.c_cflag & CBAUD)
-			uart_set_mctrl(port, TIOCM_DTR);
-
-		spin_lock_irq(&port->lock);
-		port->ops->enable_ms(port);
-		mctrl = port->ops->get_mctrl(port);
-		spin_unlock_irq(&port->lock);
-		if (mctrl & TIOCM_CAR)
-			break;
-
-		MP_STATE_UNLOCK(state);
-		schedule();
-		MP_STATE_LOCK(state);
-
-		if (signal_pending(current))
-			break;
-	}
-	set_current_state(TASK_RUNNING);
-	remove_wait_queue(&info->open_wait, &wait);
-
-	state->count++;
-	info->blocked_open--;
-
-	if (signal_pending(current))
-		return -ERESTARTSYS;
-
-	if (!info->tty || tty_hung_up_p(filp))
-		return -EAGAIN;
-
-	return 0;
-}
-
-static struct sb_uart_state *uart_get(struct uart_driver *drv, int line)
-{
-	struct sb_uart_state *state;
-
-	MP_MUTEX_LOCK(mp_mutex);
-	state = drv->state + line;
-	if (mutex_lock_interruptible(&state->mutex)) {
-		state = ERR_PTR(-ERESTARTSYS);
-		goto out;
-	}
-	state->count++;
-	if (!state->port) {
-		state->count--;
-		MP_STATE_UNLOCK(state);
-		state = ERR_PTR(-ENXIO);
-		goto out;
-	}
-
-	if (!state->info) {
-		state->info = kmalloc(sizeof(struct sb_uart_info), GFP_KERNEL);
-		if (state->info) {
-			memset(state->info, 0, sizeof(struct sb_uart_info));
-			init_waitqueue_head(&state->info->open_wait);
-			init_waitqueue_head(&state->info->delta_msr_wait);
-
-			state->port->info = state->info;
-
-			tasklet_init(&state->info->tlet, mp_tasklet_action,
-					(unsigned long)state);
-		} else {
-			state->count--;
-			MP_STATE_UNLOCK(state);
-			state = ERR_PTR(-ENOMEM);
-		}
-	}
-
-out:
-	MP_MUTEX_UNLOCK(mp_mutex);
-	return state;
-}
-
-static int mp_open(struct tty_struct *tty, struct file *filp)
-{
-	struct uart_driver *drv = (struct uart_driver *)tty->driver->driver_state;
-	struct sb_uart_state *state;
-	int retval;
-	int  line = tty->index;
-	struct mp_port *mtpt;
-
-	retval = -ENODEV;
-	if (line >= tty->driver->num)
-		goto fail;
-
-	state = uart_get(drv, line);
-
-	if (IS_ERR(state)) {
-		retval = PTR_ERR(state);
-		goto fail;
-	}
-
-	mtpt  = (struct mp_port *)state->port;
-
-	tty->driver_data = state;
-	tty->low_latency = (state->port->flags & UPF_LOW_LATENCY) ? 1 : 0;
-	tty->alt_speed = 0;
-	state->info->tty = tty;
-
-	if (tty_hung_up_p(filp)) {
-		retval = -EAGAIN;
-		state->count--;
-		MP_STATE_UNLOCK(state);
-		goto fail;
-	}
-
-	if (state->count == 1)
-		mp_change_pm(state, 0);
-
-	retval = mp_startup(state, 0);
-
-	if (retval == 0)
-		retval = mp_block_til_ready(filp, state);
-	MP_STATE_UNLOCK(state);
-
-	if (retval == 0 && !(state->info->flags & UIF_NORMAL_ACTIVE)) {
-		state->info->flags |= UIF_NORMAL_ACTIVE;
-
-		mp_update_termios(state);
-	}
-
-	uart_clear_mctrl(state->port, TIOCM_RTS);
-	try_module_get(THIS_MODULE);
-fail:
-	return retval;
-}
-
-
-static const char *mp_type(struct sb_uart_port *port)
-{
-	const char *str = NULL;
-
-	if (port->ops->type)
-		str = port->ops->type(port);
-
-	if (!str)
-		str = "unknown";
-
-	return str;
-}
-
-static void mp_change_pm(struct sb_uart_state *state, int pm_state)
-{
-	struct sb_uart_port *port = state->port;
-	if (port->ops->pm)
-		port->ops->pm(port, pm_state, state->pm_state);
-	state->pm_state = pm_state;
-}
-
-static inline void mp_report_port(struct uart_driver *drv, struct sb_uart_port *port)
-{
-	char address[64];
-
-	switch (port->iotype) {
-		case UPIO_PORT:
-			snprintf(address, sizeof(address),"I/O 0x%x", port->iobase);
-			break;
-		case UPIO_HUB6:
-			snprintf(address, sizeof(address),"I/O 0x%x offset 0x%x", port->iobase, port->hub6);
-			break;
-		case UPIO_MEM:
-			snprintf(address, sizeof(address),"MMIO 0x%lx", port->mapbase);
-			break;
-		default:
-			snprintf(address, sizeof(address),"*unknown*" );
-			strlcpy(address, "*unknown*", sizeof(address));
-			break;
-	}
-
-	printk( "%s%d at %s (irq = %d) is a %s\n",
-			drv->dev_name, port->line, address, port->irq, mp_type(port));
-
-}
-
-static void mp_configure_port(struct uart_driver *drv, struct sb_uart_state *state, struct sb_uart_port *port)
-{
-	unsigned int flags;
-
-
-	if (!port->iobase && !port->mapbase && !port->membase)
-	{
-		DPRINTK("%s error \n",__FUNCTION__);
-		return;
-	}
-	flags = UART_CONFIG_TYPE;
-	if (port->flags & UPF_AUTO_IRQ)
-		flags |= UART_CONFIG_IRQ;
-	if (port->flags & UPF_BOOT_AUTOCONF) {
-		port->type = PORT_UNKNOWN;
-		port->ops->config_port(port, flags);
-	}
-
-	if (port->type != PORT_UNKNOWN) {
-		unsigned long flags;
-
-		mp_report_port(drv, port);
-
-		spin_lock_irqsave(&port->lock, flags);
-		port->ops->set_mctrl(port, 0);
-		spin_unlock_irqrestore(&port->lock, flags);
-
-		mp_change_pm(state, 3);
-	}
-}
-
-static void mp_unconfigure_port(struct uart_driver *drv, struct sb_uart_state *state)
-{
-	struct sb_uart_port *port = state->port;
-	struct sb_uart_info *info = state->info;
-
-	if (info && info->tty)
-		tty_hangup(info->tty);
-
-	MP_STATE_LOCK(state);
-
-	state->info = NULL;
-
-	if (port->type != PORT_UNKNOWN)
-		port->ops->release_port(port);
-
-	port->type = PORT_UNKNOWN;
-
-	if (info) {
-		tasklet_kill(&info->tlet);
-		kfree(info);
-	}
-
-	MP_STATE_UNLOCK(state);
-}
-static struct tty_operations mp_ops = {
-	.open		= mp_open,
-	.close		= mp_close,
-	.write		= mp_write,
-	.put_char	= mp_put_char,
-	.flush_chars	= mp_put_chars,
-	.write_room	= mp_write_room,
-	.chars_in_buffer= mp_chars_in_buffer,
-	.flush_buffer	= mp_flush_buffer,
-	.ioctl		= mp_ioctl,
-	.throttle	= mp_throttle,
-	.unthrottle	= mp_unthrottle,
-	.send_xchar	= mp_send_xchar,
-	.set_termios	= mp_set_termios,
-	.stop		= mp_stop,
-	.start		= mp_start,
-	.hangup		= mp_hangup,
-	.break_ctl	= mp_break_ctl,
-	.wait_until_sent= mp_wait_until_sent,
-#ifdef CONFIG_PROC_FS
-	.proc_fops	= NULL,
-#endif
-	.tiocmget	= mp_tiocmget,
-	.tiocmset	= mp_tiocmset,
-};
-
-static int mp_register_driver(struct uart_driver *drv)
-{
-	struct tty_driver *normal = NULL;
-	int i, retval;
-
-	drv->state = kmalloc(sizeof(struct sb_uart_state) * drv->nr, GFP_KERNEL);
-	retval = -ENOMEM;
-	if (!drv->state)
-	{
-		printk("SB PCI Error: Kernel memory allocation error!\n");
-		goto out;
-	}
-	memset(drv->state, 0, sizeof(struct sb_uart_state) * drv->nr);
-
-	normal = alloc_tty_driver(drv->nr);
-	if (!normal)
-	{
-		printk("SB PCI Error: tty allocation error!\n");
-		goto out;
-	}
-
-	drv->tty_driver = normal;
-
-	normal->owner           = drv->owner;
-	normal->magic		= TTY_DRIVER_MAGIC;
-	normal->driver_name     = drv->driver_name;
-	normal->name		= drv->dev_name;
-	normal->major		= drv->major;
-	normal->minor_start	= drv->minor;
-
-	normal->num		= MAX_MP_PORT ; 
-
-	normal->type		= TTY_DRIVER_TYPE_SERIAL;
-	normal->subtype		= SERIAL_TYPE_NORMAL;
-	normal->init_termios	= tty_std_termios;
-	normal->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
-	normal->flags		= TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
-	normal->driver_state    = drv;
-
-	tty_set_operations(normal, &mp_ops);
-
-for (i = 0; i < drv->nr; i++) {
-	struct sb_uart_state *state = drv->state + i;
-
-	state->close_delay     = 500;   
-	state->closing_wait    = 30000; 
-
-	mutex_init(&state->mutex);
-	}
-
-	retval = tty_register_driver(normal);
-out:
-	if (retval < 0) {
-		printk("Register tty driver Fail!\n");
-		put_tty_driver(normal);
-		kfree(drv->state);
-	}
-
-	return retval;
-}
-
-void mp_unregister_driver(struct uart_driver *drv)
-{
-    struct tty_driver *normal = NULL;
-
-    normal = drv->tty_driver;
-
-    if (!normal)
-    {
-        return;
-    }
-
-    tty_unregister_driver(normal);
-    put_tty_driver(normal);
-    drv->tty_driver = NULL;
-
-
-    kfree(drv->state);
-
-}
-
-static int mp_add_one_port(struct uart_driver *drv, struct sb_uart_port *port)
-{
-	struct sb_uart_state *state;
-	int ret = 0;
-
-
-	if (port->line >= drv->nr)
-		return -EINVAL;
-
-	state = drv->state + port->line;
-
-	MP_MUTEX_LOCK(mp_mutex);
-	if (state->port) {
-		ret = -EINVAL;
-		goto out;
-	}
-
-	state->port = port;
-
-	spin_lock_init(&port->lock);
-	port->cons = drv->cons;
-	port->info = state->info;
-
-	mp_configure_port(drv, state, port);
-
-	tty_register_device(drv->tty_driver, port->line, port->dev);
-
-out:
-	MP_MUTEX_UNLOCK(mp_mutex);
-
-
-	return ret;
-}
-
-static int mp_remove_one_port(struct uart_driver *drv, struct sb_uart_port *port)
-{
-	struct sb_uart_state *state = drv->state + port->line;
-
-	if (state->port != port)
-		printk(KERN_ALERT "Removing wrong port: %p != %p\n",
-				state->port, port);
-
-	MP_MUTEX_LOCK(mp_mutex);
-
-	tty_unregister_device(drv->tty_driver, port->line);
-
-	mp_unconfigure_port(drv, state);
-	state->port = NULL;
-	MP_MUTEX_UNLOCK(mp_mutex);
-
-	return 0;
-}
-
-static void autoconfig(struct mp_port *mtpt, unsigned int probeflags)
-{
-	unsigned char status1, scratch, scratch2, scratch3;
-	unsigned char save_lcr, save_mcr;
-	unsigned long flags;
-
-	unsigned char u_type;
-	unsigned char b_ret = 0;
-
-	if (!mtpt->port.iobase && !mtpt->port.mapbase && !mtpt->port.membase)
-		return;
-
-	DEBUG_AUTOCONF("ttyMP%d: autoconf (0x%04x, 0x%p): ",
-			mtpt->port.line, mtpt->port.iobase, mtpt->port.membase);
-
-	spin_lock_irqsave(&mtpt->port.lock, flags);
-
-	if (!(mtpt->port.flags & UPF_BUGGY_UART)) {
-		scratch = serial_inp(mtpt, UART_IER);
-		serial_outp(mtpt, UART_IER, 0);
-#ifdef __i386__
-		outb(0xff, 0x080);
-#endif
-		scratch2 = serial_inp(mtpt, UART_IER) & 0x0f;
-		serial_outp(mtpt, UART_IER, 0x0F);
-#ifdef __i386__
-		outb(0, 0x080);
-#endif
-		scratch3 = serial_inp(mtpt, UART_IER) & 0x0F;
-		serial_outp(mtpt, UART_IER, scratch);
-		if (scratch2 != 0 || scratch3 != 0x0F) {
-			DEBUG_AUTOCONF("IER test failed (%02x, %02x) ",
-					scratch2, scratch3);
-			goto out;
-		}
-	}
-
-	save_mcr = serial_in(mtpt, UART_MCR);
-	save_lcr = serial_in(mtpt, UART_LCR);
-
-	if (!(mtpt->port.flags & UPF_SKIP_TEST)) {
-		serial_outp(mtpt, UART_MCR, UART_MCR_LOOP | 0x0A);
-		status1 = serial_inp(mtpt, UART_MSR) & 0xF0;
-		serial_outp(mtpt, UART_MCR, save_mcr);
-		if (status1 != 0x90) {
-			DEBUG_AUTOCONF("LOOP test failed (%02x) ",
-					status1);
-			goto out;
-		}
-	}
-
-	serial_outp(mtpt, UART_LCR, 0xBF);
-	serial_outp(mtpt, UART_EFR, 0);
-	serial_outp(mtpt, UART_LCR, 0);
-
-	serial_outp(mtpt, UART_FCR, UART_FCR_ENABLE_FIFO);
-	scratch = serial_in(mtpt, UART_IIR) >> 6;
-
-	DEBUG_AUTOCONF("iir=%d ", scratch);
-	if(mtpt->device->nr_ports >= 8)
-		b_ret = read_option_register(mtpt,(MP_OPTR_DIR0 + ((mtpt->port.line)/8)));
-	else	
-		b_ret = read_option_register(mtpt,MP_OPTR_DIR0);
-	u_type = (b_ret & 0xf0) >> 4;
-	if(mtpt->port.type == PORT_UNKNOWN )
-	{
-		switch (u_type)
-		{
-			case DIR_UART_16C550:
-				mtpt->port.type = PORT_16C55X;
-				break;
-			case DIR_UART_16C1050:
-				mtpt->port.type = PORT_16C105X;
-				break;
-			case DIR_UART_16C1050A:
-				if (mtpt->port.line < 2)
-				{
-					mtpt->port.type = PORT_16C105XA;
-				}
-				else
-				{
-					if (mtpt->device->device_id & 0x50)
-					{
-						mtpt->port.type = PORT_16C55X;
-					}
-					else
-					{
-						mtpt->port.type = PORT_16C105X;
-					}
-				}
-				break;
-			default:	
-				mtpt->port.type = PORT_UNKNOWN;
-				break;
-		}
-	}
-
-	if(mtpt->port.type == PORT_UNKNOWN )
-	{
-printk("unknow2\n");
-		switch (scratch) {
-			case 0:
-			case 1:
-				mtpt->port.type = PORT_UNKNOWN;
-				break;
-			case 2:
-			case 3:
-				mtpt->port.type = PORT_16C55X;
-				break;
-		}
-	}
-
-	serial_outp(mtpt, UART_LCR, save_lcr);
-
-	mtpt->port.fifosize = uart_config[mtpt->port.type].dfl_xmit_fifo_size;
-	mtpt->capabilities = uart_config[mtpt->port.type].flags;
-
-	if (mtpt->port.type == PORT_UNKNOWN)
-		goto out;
-	serial_outp(mtpt, UART_MCR, save_mcr);
-	serial_outp(mtpt, UART_FCR, (UART_FCR_ENABLE_FIFO |
-				UART_FCR_CLEAR_RCVR |
-				UART_FCR_CLEAR_XMIT));
-	serial_outp(mtpt, UART_FCR, 0);
-	(void)serial_in(mtpt, UART_RX);
-	serial_outp(mtpt, UART_IER, 0);
-
-out:
-	spin_unlock_irqrestore(&mtpt->port.lock, flags);
-	DEBUG_AUTOCONF("type=%s\n", uart_config[mtpt->port.type].name);
-}
-
-static void autoconfig_irq(struct mp_port *mtpt)
-{
-	unsigned char save_mcr, save_ier;
-	unsigned long irqs;
-	int irq;
-
-	/* forget possible initially masked and pending IRQ */
-	probe_irq_off(probe_irq_on());
-	save_mcr = serial_inp(mtpt, UART_MCR);
-	save_ier = serial_inp(mtpt, UART_IER);
-	serial_outp(mtpt, UART_MCR, UART_MCR_OUT1 | UART_MCR_OUT2);
-
-	irqs = probe_irq_on();
-	serial_outp(mtpt, UART_MCR, 0);
-	serial_outp(mtpt, UART_MCR,
-		UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2);
-
-	serial_outp(mtpt, UART_IER, 0x0f);    /* enable all intrs */
-	(void)serial_inp(mtpt, UART_LSR);
-	(void)serial_inp(mtpt, UART_RX);
-	(void)serial_inp(mtpt, UART_IIR);
-	(void)serial_inp(mtpt, UART_MSR);
-	serial_outp(mtpt, UART_TX, 0xFF);
-	irq = probe_irq_off(irqs);
-
-	serial_outp(mtpt, UART_MCR, save_mcr);
-	serial_outp(mtpt, UART_IER, save_ier);
-
-	mtpt->port.irq = (irq > 0) ? irq : 0;
-}
-
-static void multi_stop_tx(struct sb_uart_port *port)
-{
-	struct mp_port *mtpt = (struct mp_port *)port;
-
-	if (mtpt->ier & UART_IER_THRI) {
-		mtpt->ier &= ~UART_IER_THRI;
-		serial_out(mtpt, UART_IER, mtpt->ier);
-	}
-
-	tasklet_schedule(&port->info->tlet);
-}
-
-static void multi_start_tx(struct sb_uart_port *port)
-{
-	struct mp_port *mtpt = (struct mp_port *)port;
-
-	if (!(mtpt->ier & UART_IER_THRI)) {
-		mtpt->ier |= UART_IER_THRI;
-		serial_out(mtpt, UART_IER, mtpt->ier);
-	}
-}
-
-static void multi_stop_rx(struct sb_uart_port *port)
-{
-	struct mp_port *mtpt = (struct mp_port *)port;
-
-	mtpt->ier &= ~UART_IER_RLSI;
-	mtpt->port.read_status_mask &= ~UART_LSR_DR;
-	serial_out(mtpt, UART_IER, mtpt->ier);
-}
-
-static void multi_enable_ms(struct sb_uart_port *port)
-{
-	struct mp_port *mtpt = (struct mp_port *)port;
-
-	mtpt->ier |= UART_IER_MSI;
-	serial_out(mtpt, UART_IER, mtpt->ier);
-}
-
-
-static _INLINE_ void receive_chars(struct mp_port *mtpt, int *status )
-{
-	struct tty_struct *tty = mtpt->port.info->tty;
-	unsigned char lsr = *status;
-	int max_count = 256;
-	unsigned char ch;
-	char flag;
-
-	//lsr &= mtpt->port.read_status_mask;
-
-	do {
-		if ((lsr & UART_LSR_PE) && (mtpt->port.mdmode & MDMODE_ENABLE))
-		{
-			ch = serial_inp(mtpt, UART_RX);
-		}
-		else if (lsr & UART_LSR_SPECIAL) 
-		{
-			flag = 0;
-			ch = serial_inp(mtpt, UART_RX);
-
-			if (lsr & UART_LSR_BI) 
-			{
-
-				mtpt->port.icount.brk++;
-				flag = TTY_BREAK;
-
-				if (sb_uart_handle_break(&mtpt->port))
-					goto ignore_char;
-			} 
-			if (lsr & UART_LSR_PE)
-			{
-				mtpt->port.icount.parity++;
-				flag = TTY_PARITY;
-			}
-			if (lsr & UART_LSR_FE)
-			{
-				mtpt->port.icount.frame++;
-				flag = TTY_FRAME;
-			}
-			if (lsr & UART_LSR_OE)
-			{
-				mtpt->port.icount.overrun++;
-				flag = TTY_OVERRUN;
-			}
-			tty_insert_flip_char(tty, ch, flag);
-		}
-		else
-		{
-			ch = serial_inp(mtpt, UART_RX);
-			tty_insert_flip_char(tty, ch, 0);
-		}
-ignore_char:
-		lsr = serial_inp(mtpt, UART_LSR);
-	} while ((lsr & UART_LSR_DR) && (max_count-- > 0));
-
-	tty_flip_buffer_push(tty);
-}
-
-
-
-
-static _INLINE_ void transmit_chars(struct mp_port *mtpt)
-{
-	struct circ_buf *xmit = &mtpt->port.info->xmit;
-	int count;
-
-	if (mtpt->port.x_char) {
-		serial_outp(mtpt, UART_TX, mtpt->port.x_char);
-		mtpt->port.icount.tx++;
-		mtpt->port.x_char = 0;
-		return;
-	}
-	if (uart_circ_empty(xmit) || uart_tx_stopped(&mtpt->port)) {
-		multi_stop_tx(&mtpt->port);
-		return;
-	}
-
-	count = uart_circ_chars_pending(xmit);
-
-	if(count > mtpt->port.fifosize)
-	{
-		count = mtpt->port.fifosize;
-	}
-
-	printk("[%d] mdmode: %x\n", mtpt->port.line, mtpt->port.mdmode);
-	do {
-#if 0
-		/* check multi-drop mode */
-		if ((mtpt->port.mdmode & (MDMODE_ENABLE | MDMODE_ADDR)) == (MDMODE_ENABLE | MDMODE_ADDR))
-		{
-			printk("send address\n");
-			/* send multi-drop address */
-			serial_out(mtpt, UART_SCR, xmit->buf[xmit->tail]);
-		}
-		else
-#endif
-		{
-			serial_out(mtpt, UART_TX, xmit->buf[xmit->tail]);
-		}
-		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
-		mtpt->port.icount.tx++;
-	} while (--count > 0);
-}
-
-
-
-static _INLINE_ void check_modem_status(struct mp_port *mtpt)
-{
-	int status;
-
-	status = serial_in(mtpt, UART_MSR);
-
-	if ((status & UART_MSR_ANY_DELTA) == 0)
-		return;
-
-	if (status & UART_MSR_TERI)
-		mtpt->port.icount.rng++;
-	if (status & UART_MSR_DDSR)
-		mtpt->port.icount.dsr++;
-	if (status & UART_MSR_DDCD)
-		sb_uart_handle_dcd_change(&mtpt->port, status & UART_MSR_DCD);
-	if (status & UART_MSR_DCTS)
-		sb_uart_handle_cts_change(&mtpt->port, status & UART_MSR_CTS);
-
-	wake_up_interruptible(&mtpt->port.info->delta_msr_wait);
-}
-
-static inline void multi_handle_port(struct mp_port *mtpt)
-{
-	unsigned int status = serial_inp(mtpt, UART_LSR);
-
-	//printk("lsr: %x\n", status);
-
-	if ((status & UART_LSR_DR) || (status & UART_LSR_SPECIAL))
-		receive_chars(mtpt, &status);
-	check_modem_status(mtpt);
-	if (status & UART_LSR_THRE)
-	{
-		if ((mtpt->port.type == PORT_16C105X)
-			|| (mtpt->port.type == PORT_16C105XA))
-			transmit_chars(mtpt);
-		else
-		{
-			if (mtpt->interface >= RS485NE)
-				uart_set_mctrl(&mtpt->port, TIOCM_RTS);
-			
-			transmit_chars(mtpt);
-
-
-			if (mtpt->interface >= RS485NE)
-			{
-				while((status=serial_in(mtpt,UART_LSR) &0x60)!=0x60);
-				uart_clear_mctrl(&mtpt->port, TIOCM_RTS);
-			}
-		}
-	}
-}
-
-
-
-static irqreturn_t multi_interrupt(int irq, void *dev_id)
-{
-	struct irq_info *iinfo = dev_id;
-	struct list_head *lhead, *end = NULL;
-	int pass_counter = 0;
-
-
-	spin_lock(&iinfo->lock);
-
-	lhead = iinfo->head;
-	do {
-		struct mp_port *mtpt;
-		unsigned int iir;
-
-		mtpt = list_entry(lhead, struct mp_port, list);
-		
-		iir = serial_in(mtpt, UART_IIR);
-		printk("interrupt! port %d, iir 0x%x\n", mtpt->port.line, iir); //wlee
-		if (!(iir & UART_IIR_NO_INT)) 
-		{
-			printk("interrupt handle\n");
-			spin_lock(&mtpt->port.lock);
-			multi_handle_port(mtpt);
-			spin_unlock(&mtpt->port.lock);
-
-			end = NULL;
-		} else if (end == NULL)
-			end = lhead;
-
-		lhead = lhead->next;
-		if (lhead == iinfo->head && pass_counter++ > PASS_LIMIT) 
-		{
-			printk(KERN_ERR "multi: too much work for "
-					"irq%d\n", irq);
-			printk( "multi: too much work for "
-					"irq%d\n", irq);
-			break;
-		}
-	} while (lhead != end);
-
-	spin_unlock(&iinfo->lock);
-
-
-        return IRQ_HANDLED;
-}
-
-static void serial_do_unlink(struct irq_info *i, struct mp_port *mtpt)
-{
-	spin_lock_irq(&i->lock);
-
-	if (!list_empty(i->head)) {
-		if (i->head == &mtpt->list)
-			i->head = i->head->next;
-		list_del(&mtpt->list);
-	} else {
-		i->head = NULL;
-	}
-
-	spin_unlock_irq(&i->lock);
-}
-
-static int serial_link_irq_chain(struct mp_port *mtpt)
-{
-	struct irq_info *i = irq_lists + mtpt->port.irq;
-	int ret, irq_flags = mtpt->port.flags & UPF_SHARE_IRQ ? IRQF_SHARED : 0;
-	spin_lock_irq(&i->lock);
-
-	if (i->head) {
-		list_add(&mtpt->list, i->head);
-		spin_unlock_irq(&i->lock);
-
-		ret = 0;
-	} else {
-		INIT_LIST_HEAD(&mtpt->list);
-		i->head = &mtpt->list;
-		spin_unlock_irq(&i->lock);
-
-		ret = request_irq(mtpt->port.irq, multi_interrupt,
-				irq_flags, "serial", i);
-		if (ret < 0)
-			serial_do_unlink(i, mtpt);
-	}
-
-	return ret;
-}
-
-
-
-
-static void serial_unlink_irq_chain(struct mp_port *mtpt)
-{
-	struct irq_info *i = irq_lists + mtpt->port.irq;
-
-	if (list_empty(i->head))
-	{
-		free_irq(mtpt->port.irq, i);
-	}
-	serial_do_unlink(i, mtpt);
-}
-
-static void multi_timeout(unsigned long data)
-{
-	struct mp_port *mtpt = (struct mp_port *)data;
-
-
-	spin_lock(&mtpt->port.lock);
-	multi_handle_port(mtpt);
-	spin_unlock(&mtpt->port.lock);
-
-	mod_timer(&mtpt->timer, jiffies+1 );
-}
-
-static unsigned int multi_tx_empty(struct sb_uart_port *port)
-{
-	struct mp_port *mtpt = (struct mp_port *)port;
-	unsigned long flags;
-	unsigned int ret;
-
-	spin_lock_irqsave(&mtpt->port.lock, flags);
-	ret = serial_in(mtpt, UART_LSR) & UART_LSR_TEMT ? TIOCSER_TEMT : 0;
-	spin_unlock_irqrestore(&mtpt->port.lock, flags);
-
-	return ret;
-}
-
-
-static unsigned int multi_get_mctrl(struct sb_uart_port *port)
-{
-	struct mp_port *mtpt = (struct mp_port *)port;
-	unsigned char status;
-	unsigned int ret;
-
-	status = serial_in(mtpt, UART_MSR);
-
-	ret = 0;
-	if (status & UART_MSR_DCD)
-		ret |= TIOCM_CAR;
-	if (status & UART_MSR_RI)
-		ret |= TIOCM_RNG;
-	if (status & UART_MSR_DSR)
-		ret |= TIOCM_DSR;
-	if (status & UART_MSR_CTS)
-		ret |= TIOCM_CTS;
-	return ret;
-}
-
-static void multi_set_mctrl(struct sb_uart_port *port, unsigned int mctrl)
-{
-	struct mp_port *mtpt = (struct mp_port *)port;
-	unsigned char mcr = 0;
-
-	mctrl &= 0xff;
-
-	if (mctrl & TIOCM_RTS)
-		mcr |= UART_MCR_RTS;
-	if (mctrl & TIOCM_DTR)
-		mcr |= UART_MCR_DTR;
-	if (mctrl & TIOCM_OUT1)
-		mcr |= UART_MCR_OUT1;
-	if (mctrl & TIOCM_OUT2)
-		mcr |= UART_MCR_OUT2;
-	if (mctrl & TIOCM_LOOP)
-		mcr |= UART_MCR_LOOP;
-
-
-	serial_out(mtpt, UART_MCR, mcr);
-}
-
-
-static void multi_break_ctl(struct sb_uart_port *port, int break_state)
-{
-	struct mp_port *mtpt = (struct mp_port *)port;
-	unsigned long flags;
-
-	spin_lock_irqsave(&mtpt->port.lock, flags);
-	if (break_state == -1)
-		mtpt->lcr |= UART_LCR_SBC;
-	else
-		mtpt->lcr &= ~UART_LCR_SBC;
-	serial_out(mtpt, UART_LCR, mtpt->lcr);
-	spin_unlock_irqrestore(&mtpt->port.lock, flags);
-}
-
-
-
-static int multi_startup(struct sb_uart_port *port)
-{
-	struct mp_port *mtpt = (struct mp_port *)port;
-	unsigned long flags;
-	int retval;
-
-	mtpt->capabilities = uart_config[mtpt->port.type].flags;
-	mtpt->mcr = 0;
-
-	if (mtpt->capabilities & UART_CLEAR_FIFO) {
-		serial_outp(mtpt, UART_FCR, UART_FCR_ENABLE_FIFO);
-		serial_outp(mtpt, UART_FCR, UART_FCR_ENABLE_FIFO |
-				UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT);
-		serial_outp(mtpt, UART_FCR, 0);
-	}
-
-	(void) serial_inp(mtpt, UART_LSR);
-	(void) serial_inp(mtpt, UART_RX);
-	(void) serial_inp(mtpt, UART_IIR);
-	(void) serial_inp(mtpt, UART_MSR);
-	//test-wlee 9-bit disable
-	serial_outp(mtpt, UART_MSR, 0);
-
-
-	if (!(mtpt->port.flags & UPF_BUGGY_UART) &&
-			(serial_inp(mtpt, UART_LSR) == 0xff)) {
-		printk("ttyS%d: LSR safety check engaged!\n", mtpt->port.line);
-		//return -ENODEV;
-	}
-
-	if ((!is_real_interrupt(mtpt->port.irq)) || (mtpt->poll_type==TYPE_POLL)) {
-		unsigned int timeout = mtpt->port.timeout;
-
-		timeout = timeout > 6 ? (timeout / 2 - 2) : 1;
-
-		mtpt->timer.data = (unsigned long)mtpt;
-		mod_timer(&mtpt->timer, jiffies + timeout);
-	} 
-	else 
-	{
-		retval = serial_link_irq_chain(mtpt);
-		if (retval)
-			return retval;
-	}
-
-	serial_outp(mtpt, UART_LCR, UART_LCR_WLEN8);
-
-	spin_lock_irqsave(&mtpt->port.lock, flags);
-	if ((is_real_interrupt(mtpt->port.irq))||(mtpt->poll_type==TYPE_INTERRUPT))
-		mtpt->port.mctrl |= TIOCM_OUT2;
-
-	multi_set_mctrl(&mtpt->port, mtpt->port.mctrl);
-	spin_unlock_irqrestore(&mtpt->port.lock, flags);
-
-	
-	mtpt->ier = UART_IER_RLSI | UART_IER_RDI;
-	serial_outp(mtpt, UART_IER, mtpt->ier);
-
-	(void) serial_inp(mtpt, UART_LSR);
-	(void) serial_inp(mtpt, UART_RX);
-	(void) serial_inp(mtpt, UART_IIR);
-	(void) serial_inp(mtpt, UART_MSR);
-
-	return 0;
-}
-
-
-
-static void multi_shutdown(struct sb_uart_port *port)
-{
-	struct mp_port *mtpt = (struct mp_port *)port;
-	unsigned long flags;
-
-
-	mtpt->ier = 0;
-	serial_outp(mtpt, UART_IER, 0);
-
-	spin_lock_irqsave(&mtpt->port.lock, flags);
-	mtpt->port.mctrl &= ~TIOCM_OUT2;
-
-	multi_set_mctrl(&mtpt->port, mtpt->port.mctrl);
-	spin_unlock_irqrestore(&mtpt->port.lock, flags);
-
-	serial_out(mtpt, UART_LCR, serial_inp(mtpt, UART_LCR) & ~UART_LCR_SBC);
-	serial_outp(mtpt, UART_FCR, UART_FCR_ENABLE_FIFO |
-			UART_FCR_CLEAR_RCVR |
-			UART_FCR_CLEAR_XMIT);
-	serial_outp(mtpt, UART_FCR, 0);
-
-
-	(void) serial_in(mtpt, UART_RX);
-
-	if ((!is_real_interrupt(mtpt->port.irq))||(mtpt->poll_type==TYPE_POLL))
-	{
-		del_timer_sync(&mtpt->timer);
-	}
-	else
-	{
-		serial_unlink_irq_chain(mtpt);
-	}
-}
-
-
-
-static unsigned int multi_get_divisor(struct sb_uart_port *port, unsigned int baud)
-{
-	unsigned int quot;
-
-	if ((port->flags & UPF_MAGIC_MULTIPLIER) &&
-			baud == (port->uartclk/4))
-		quot = 0x8001;
-	else if ((port->flags & UPF_MAGIC_MULTIPLIER) &&
-			baud == (port->uartclk/8))
-		quot = 0x8002;
-	else
-		quot = sb_uart_get_divisor(port, baud);
-
-	return quot;
-}
-
-
-
-
-static void multi_set_termios(struct sb_uart_port *port, struct MP_TERMIOS *termios, struct MP_TERMIOS *old)
-{
-	struct mp_port *mtpt = (struct mp_port *)port;
-	unsigned char cval, fcr = 0;
-	unsigned long flags;
-	unsigned int baud, quot;
-
-	switch (termios->c_cflag & CSIZE) {
-		case CS5:
-			cval = 0x00;
-			break;
-		case CS6:
-			cval = 0x01;
-			break;
-		case CS7:
-			cval = 0x02;
-			break;
-		default:
-		case CS8:
-			cval = 0x03;
-			break;
-	}
-
-	if (termios->c_cflag & CSTOPB)
-		cval |= 0x04;
-	if (termios->c_cflag & PARENB)
-		cval |= UART_LCR_PARITY;
-	if (!(termios->c_cflag & PARODD))
-		cval |= UART_LCR_EPAR;
-
-#ifdef CMSPAR
-	if (termios->c_cflag & CMSPAR)
-		cval |= UART_LCR_SPAR;
-#endif
-
-	baud = sb_uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
-	quot = multi_get_divisor(port, baud);
-
-	if (mtpt->capabilities & UART_USE_FIFO) {
-		//if (baud < 2400)
-		//	fcr = UART_FCR_ENABLE_FIFO | UART_FCR_TRIGGER_1;
-		//else
-		//	fcr = UART_FCR_ENABLE_FIFO | UART_FCR_TRIGGER_8;
-
-		//	fcr = UART_FCR_ENABLE_FIFO | 0x90;
-			fcr = fcr_arr[mtpt->port.line];
-	}
-
-	spin_lock_irqsave(&mtpt->port.lock, flags);
-
-	sb_uart_update_timeout(port, termios->c_cflag, baud);
-
-	mtpt->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR;
-	if (termios->c_iflag & INPCK)
-		mtpt->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE;
-	if (termios->c_iflag & (BRKINT | PARMRK))
-		mtpt->port.read_status_mask |= UART_LSR_BI;
-
-	mtpt->port.ignore_status_mask = 0;
-	if (termios->c_iflag & IGNPAR)
-		mtpt->port.ignore_status_mask |= UART_LSR_PE | UART_LSR_FE;
-	if (termios->c_iflag & IGNBRK) {
-		mtpt->port.ignore_status_mask |= UART_LSR_BI;
-		if (termios->c_iflag & IGNPAR)
-			mtpt->port.ignore_status_mask |= UART_LSR_OE;
-	}
-
-	if ((termios->c_cflag & CREAD) == 0)
-		mtpt->port.ignore_status_mask |= UART_LSR_DR;
-
-	mtpt->ier &= ~UART_IER_MSI;
-	if (UART_ENABLE_MS(&mtpt->port, termios->c_cflag))
-		mtpt->ier |= UART_IER_MSI;
-
-	serial_out(mtpt, UART_IER, mtpt->ier);
-
-	if (mtpt->capabilities & UART_STARTECH) {
-		serial_outp(mtpt, UART_LCR, 0xBF);
-		serial_outp(mtpt, UART_EFR,
-				termios->c_cflag & CRTSCTS ? UART_EFR_CTS :0);
-	}
-
-	serial_outp(mtpt, UART_LCR, cval | UART_LCR_DLAB);/* set DLAB */
-
-	serial_outp(mtpt, UART_DLL, quot & 0xff);     /* LS of divisor */
-	serial_outp(mtpt, UART_DLM, quot >> 8);       /* MS of divisor */
-
-	serial_outp(mtpt, UART_LCR, cval);        /* reset DLAB */
-	mtpt->lcr = cval;                 /* Save LCR */
-
-	if (fcr & UART_FCR_ENABLE_FIFO) {
-		/* emulated UARTs (Lucent Venus 167x) need two steps */
-		serial_outp(mtpt, UART_FCR, UART_FCR_ENABLE_FIFO);
-	}
-
-	serial_outp(mtpt, UART_FCR, fcr);     /* set fcr */
-
-
-	if ((mtpt->port.type == PORT_16C105X)
-		|| (mtpt->port.type == PORT_16C105XA))
-	{
-		if(deep[mtpt->port.line]!=0)
-			set_deep_fifo(port, ENABLE);
-
-		if (mtpt->interface != RS232)
-			set_auto_rts(port,mtpt->interface);
-
-	}
-	else
-	{
-		if (mtpt->interface >= RS485NE)
-		{
-			uart_clear_mctrl(&mtpt->port, TIOCM_RTS);
-		}
-	}
-
-	if(mtpt->device->device_id == PCI_DEVICE_ID_MP4M)
-	{
-		SendATCommand(mtpt);
-		printk("SendATCommand\n");
-	}	
-	multi_set_mctrl(&mtpt->port, mtpt->port.mctrl);
-	spin_unlock_irqrestore(&mtpt->port.lock, flags);
-}
-
-static void multi_pm(struct sb_uart_port *port, unsigned int state, unsigned int oldstate)
-{
-	struct mp_port *mtpt = (struct mp_port *)port;
-	if (state) {
-		if (mtpt->capabilities & UART_STARTECH) {
-			serial_outp(mtpt, UART_LCR, 0xBF);
-			serial_outp(mtpt, UART_EFR, UART_EFR_ECB);
-			serial_outp(mtpt, UART_LCR, 0);
-			serial_outp(mtpt, UART_IER, UART_IERX_SLEEP);
-			serial_outp(mtpt, UART_LCR, 0xBF);
-			serial_outp(mtpt, UART_EFR, 0);
-			serial_outp(mtpt, UART_LCR, 0);
-		}
-
-		if (mtpt->pm)
-			mtpt->pm(port, state, oldstate);
-	} 
-	else 
-	{
-		if (mtpt->capabilities & UART_STARTECH) {
-			serial_outp(mtpt, UART_LCR, 0xBF);
-			serial_outp(mtpt, UART_EFR, UART_EFR_ECB);
-			serial_outp(mtpt, UART_LCR, 0);
-			serial_outp(mtpt, UART_IER, 0);
-			serial_outp(mtpt, UART_LCR, 0xBF);
-			serial_outp(mtpt, UART_EFR, 0);
-			serial_outp(mtpt, UART_LCR, 0);
-		}
-
-		if (mtpt->pm)
-			mtpt->pm(port, state, oldstate);
-	}
-}
-
-static void multi_release_std_resource(struct mp_port *mtpt)
-{
-	unsigned int size = 8 << mtpt->port.regshift;
-
-	switch (mtpt->port.iotype) {
-		case UPIO_MEM:
-			if (!mtpt->port.mapbase)
-				break;
-
-			if (mtpt->port.flags & UPF_IOREMAP) {
-				iounmap(mtpt->port.membase);
-				mtpt->port.membase = NULL;
-			}
-
-			release_mem_region(mtpt->port.mapbase, size);
-			break;
-
-		case UPIO_HUB6:
-		case UPIO_PORT:
-			release_region(mtpt->port.iobase,size);
-			break;
-	}
-}
-
-static void multi_release_port(struct sb_uart_port *port)
-{
-}
-
-static int multi_request_port(struct sb_uart_port *port)
-{
-	return 0;
-}
-
-static void multi_config_port(struct sb_uart_port *port, int flags)
-{
-	struct mp_port *mtpt = (struct mp_port *)port;
-	int probeflags = PROBE_ANY;
-
-	if (flags & UART_CONFIG_TYPE)
-		autoconfig(mtpt, probeflags);
-	if (mtpt->port.type != PORT_UNKNOWN && flags & UART_CONFIG_IRQ)
-		autoconfig_irq(mtpt);
-
-	if (mtpt->port.type == PORT_UNKNOWN)
-		multi_release_std_resource(mtpt);
-}
-
-static int multi_verify_port(struct sb_uart_port *port, struct serial_struct *ser)
-{
-	if (ser->irq >= NR_IRQS || ser->irq < 0 ||
-			ser->baud_base < 9600 || ser->type < PORT_UNKNOWN ||
-			ser->type == PORT_STARTECH)
-		return -EINVAL;
-	return 0;
-}
-
-static const char *multi_type(struct sb_uart_port *port)
-{
-	int type = port->type;
-
-	if (type >= ARRAY_SIZE(uart_config))
-		type = 0;
-	return uart_config[type].name;
-}
-
-static struct sb_uart_ops multi_pops = {
-	.tx_empty   = multi_tx_empty,
-	.set_mctrl  = multi_set_mctrl,
-	.get_mctrl  = multi_get_mctrl,
-	.stop_tx    = multi_stop_tx,
-	.start_tx   = multi_start_tx,
-	.stop_rx    = multi_stop_rx,
-	.enable_ms  = multi_enable_ms,
-	.break_ctl  = multi_break_ctl,
-	.startup    = multi_startup,
-	.shutdown   = multi_shutdown,
-	.set_termios    = multi_set_termios,
-	.pm     	= multi_pm,
-	.type       	= multi_type,
-	.release_port   = multi_release_port,
-	.request_port   = multi_request_port,
-	.config_port    = multi_config_port,
-	.verify_port    = multi_verify_port,
-};
-
-static struct uart_driver multi_reg = {
-	.owner          = THIS_MODULE,
-	.driver_name    = "goldel_tulip",
-	.dev_name       = "ttyMP",
-	.major          = SB_TTY_MP_MAJOR,
-	.minor          = 0,
-	.nr             = MAX_MP_PORT, 
-	.cons           = NULL,
-};
-
-static void __init multi_init_ports(void)
-{
-	struct mp_port *mtpt;
-	static int first = 1;
-	int i,j,k;
-	unsigned char osc;
-	unsigned char b_ret = 0;
-	static struct mp_device_t *sbdev; 
-
-	if (!first)
-		return;
-	first = 0;
-
-	mtpt = multi_ports; 
-
-	for (k=0;k<NR_BOARD;k++)
-	{
-		sbdev = &mp_devs[k];
-
-		for (i = 0; i < sbdev->nr_ports; i++, mtpt++) 
-		{
-			mtpt->device 		= sbdev;
-			mtpt->port.iobase   = sbdev->uart_access_addr + 8*i;
-			mtpt->port.irq      = sbdev->irq;
-			if ( ((sbdev->device_id == PCI_DEVICE_ID_MP4)&&(sbdev->revision==0x91)))
-				mtpt->interface_config_addr = sbdev->option_reg_addr + 0x08 + i;
-			else if (sbdev->revision == 0xc0)
-				mtpt->interface_config_addr = sbdev->option_reg_addr + 0x08 + (i & 0x1);
-			else
-				mtpt->interface_config_addr = sbdev->option_reg_addr + 0x08 + i/8;
-
-			mtpt->option_base_addr = sbdev->option_reg_addr;
-
-			mtpt->poll_type = sbdev->poll_type;
-
-			mtpt->port.uartclk  = BASE_BAUD * 16;
-
-			/* get input clock information */
-			osc = inb(sbdev->option_reg_addr + MP_OPTR_DIR0 + i/8) & 0x0F;
-			if (osc==0x0f)
-				osc = 0;
-			for(j=0;j<osc;j++)
-				mtpt->port.uartclk *= 2;
-			mtpt->port.flags    |= STD_COM_FLAGS | UPF_SHARE_IRQ ;
-			mtpt->port.iotype   = UPIO_PORT;
-			mtpt->port.ops      = &multi_pops;
-
-			if (sbdev->revision == 0xc0)
-			{
-				/* for SB16C1053APCI */
-				b_ret = sb1053a_get_interface(mtpt, i);
-			}
-			else
-			{
-				b_ret = read_option_register(mtpt,(MP_OPTR_IIR0 + i/8));
-				printk("IIR_RET = %x\n",b_ret);
-			}
-
-			/* default to RS232 */
-			mtpt->interface = RS232;
-			if (IIR_RS422 == (b_ret & IIR_TYPE_MASK))
-				mtpt->interface = RS422PTP;
-			if (IIR_RS485 == (b_ret & IIR_TYPE_MASK))
-				mtpt->interface = RS485NE;
-		}
-	}
-}
-
-static void __init multi_register_ports(struct uart_driver *drv)
-{
-	int i;
-
-	multi_init_ports();
-
-	for (i = 0; i < NR_PORTS; i++) {
-		struct mp_port *mtpt = &multi_ports[i];
-
-		mtpt->port.line = i;
-		mtpt->port.ops = &multi_pops;
-		init_timer(&mtpt->timer);
-		mtpt->timer.function = multi_timeout;
-		mp_add_one_port(drv, &mtpt->port);
-	}
-}
-
-/**
- * pci_remap_base - remap BAR value of pci device
- *
- * PARAMETERS
- *  pcidev  - pci_dev structure address
- *  offset  - BAR offset PCI_BASE_ADDRESS_0 ~ PCI_BASE_ADDRESS_4
- *  address - address to be changed BAR value
- *  size	- size of address space 
- *
- * RETURNS
- *  If this function performs successful, it returns 0. Otherwise, It returns -1.
- */
-static int pci_remap_base(struct pci_dev *pcidev, unsigned int offset, 
-		unsigned int address, unsigned int size) 
-{
-#if 0
-	struct resource *root;
-	unsigned index = (offset - 0x10) >> 2;
-#endif
-
-	pci_write_config_dword(pcidev, offset, address);
-#if 0
-	root = pcidev->resource[index].parent;
-	release_resource(&pcidev->resource[index]);
-	address &= ~0x1;
-	pcidev->resource[index].start = address;
-	pcidev->resource[index].end	  = address + size - 1;
-
-	if (request_resource(root, &pcidev->resource[index]) != NULL)
-	{
-		printk(KERN_ERR "pci remap conflict!! 0x%x\n", address);
-		return (-1);
-	}
-#endif
-
-	return (0);
-}
-
-static int init_mp_dev(struct pci_dev *pcidev, mppcibrd_t brd)
-{
-	static struct mp_device_t *sbdev = mp_devs;
-	unsigned long addr = 0;
-	int j;
-	struct resource *ret = NULL;
-
-	sbdev->device_id = brd.device_id;
-	pci_read_config_byte(pcidev, PCI_CLASS_REVISION, &(sbdev->revision));
-	sbdev->name = brd.name;
-	sbdev->uart_access_addr = pcidev->resource[0].start & PCI_BASE_ADDRESS_IO_MASK;
-
-	/* check revision. The SB16C1053APCI's option i/o address is BAR4 */
-	if (sbdev->revision == 0xc0)
-	{
-		/* SB16C1053APCI */
-		sbdev->option_reg_addr = pcidev->resource[4].start & PCI_BASE_ADDRESS_IO_MASK;
-	}
-	else
-	{
-		sbdev->option_reg_addr = pcidev->resource[1].start & PCI_BASE_ADDRESS_IO_MASK;
-	}
-#if 1	
-	if (sbdev->revision == 0xc0)
-	{
-		outb(0x00, sbdev->option_reg_addr + MP_OPTR_GPOCR);
-		inb(sbdev->option_reg_addr + MP_OPTR_GPOCR);
-		outb(0x83, sbdev->option_reg_addr + MP_OPTR_GPOCR);
-	}
-#endif
-
-	sbdev->irq = pcidev->irq;
-
-	if ((brd.device_id & 0x0800) || !(brd.device_id &0xff00))
-	{
-		sbdev->poll_type = TYPE_INTERRUPT;
-	}
-	else
-	{
-		sbdev->poll_type = TYPE_POLL;
-	}
-
-	/* codes which is specific to each board*/
-	switch(brd.device_id){
-		case PCI_DEVICE_ID_MP1 :
-		case PCIE_DEVICE_ID_MP1 :
-		case PCIE_DEVICE_ID_MP1E :
-		case PCIE_DEVICE_ID_GT_MP1 :
-			sbdev->nr_ports = 1;
-			break;
-		case PCI_DEVICE_ID_MP2 :
-		case PCIE_DEVICE_ID_MP2 :
-		case PCIE_DEVICE_ID_GT_MP2 :
-		case PCIE_DEVICE_ID_MP2B :
-		case PCIE_DEVICE_ID_MP2E :
-			sbdev->nr_ports = 2;
-
-			/* serial base address remap */
-			if (sbdev->revision == 0xc0)
-			{
-				int prev_port_addr = 0;
-
-				pci_read_config_dword(pcidev, PCI_BASE_ADDRESS_0, &prev_port_addr);
-				pci_remap_base(pcidev, PCI_BASE_ADDRESS_1, prev_port_addr + 8, 8);
-			}
-			break;
-		case PCI_DEVICE_ID_MP4 :
-		case PCI_DEVICE_ID_MP4A :
-		case PCIE_DEVICE_ID_MP4 :
-		case PCI_DEVICE_ID_GT_MP4 :
-		case PCI_DEVICE_ID_GT_MP4A :
-		case PCIE_DEVICE_ID_GT_MP4 :
-		case PCI_DEVICE_ID_MP4M :
-		case PCIE_DEVICE_ID_MP4B :
-			sbdev->nr_ports = 4;
-
-			if(sbdev->revision == 0x91){
-				sbdev->reserved_addr[0] = pcidev->resource[0].start & PCI_BASE_ADDRESS_IO_MASK;
-				outb(0x03 , sbdev->reserved_addr[0] + 0x01);
-				outb(0x03 , sbdev->reserved_addr[0] + 0x02);
-				outb(0x01 , sbdev->reserved_addr[0] + 0x20);
-				outb(0x00 , sbdev->reserved_addr[0] + 0x21);
-				request_region(sbdev->reserved_addr[0], 32, sbdev->name);
-				sbdev->uart_access_addr = pcidev->resource[1].start & PCI_BASE_ADDRESS_IO_MASK;
-				sbdev->option_reg_addr = pcidev->resource[2].start & PCI_BASE_ADDRESS_IO_MASK;
-			}
-
-			/* SB16C1053APCI */
-			if (sbdev->revision == 0xc0)
-			{
-				int prev_port_addr = 0;
-
-				pci_read_config_dword(pcidev, PCI_BASE_ADDRESS_0, &prev_port_addr);
-				pci_remap_base(pcidev, PCI_BASE_ADDRESS_1, prev_port_addr + 8, 8);
-				pci_remap_base(pcidev, PCI_BASE_ADDRESS_2, prev_port_addr + 16, 8);
-				pci_remap_base(pcidev, PCI_BASE_ADDRESS_3, prev_port_addr + 24, 8);
-			}
-			break;
-		case PCI_DEVICE_ID_MP6 :
-		case PCI_DEVICE_ID_MP6A :
-		case PCI_DEVICE_ID_GT_MP6 :
-		case PCI_DEVICE_ID_GT_MP6A :
-			sbdev->nr_ports = 6;
-
-			/* SB16C1053APCI */
-			if (sbdev->revision == 0xc0)
-			{
-				int prev_port_addr = 0;
-
-				pci_read_config_dword(pcidev, PCI_BASE_ADDRESS_0, &prev_port_addr);
-				pci_remap_base(pcidev, PCI_BASE_ADDRESS_1, prev_port_addr + 8, 8);
-				pci_remap_base(pcidev, PCI_BASE_ADDRESS_2, prev_port_addr + 16, 16);
-				pci_remap_base(pcidev, PCI_BASE_ADDRESS_3, prev_port_addr + 32, 16);
-			}
-			break;
-		case PCI_DEVICE_ID_MP8 :
-		case PCIE_DEVICE_ID_MP8 :
-		case PCI_DEVICE_ID_GT_MP8 :
-		case PCIE_DEVICE_ID_GT_MP8 :
-		case PCIE_DEVICE_ID_MP8B :
-			sbdev->nr_ports = 8;
-			break;
-		case PCI_DEVICE_ID_MP32 :
-		case PCIE_DEVICE_ID_MP32 :
-		case PCI_DEVICE_ID_GT_MP32 :
-		case PCIE_DEVICE_ID_GT_MP32 :
-			{
-				int portnum_hex=0;
-				portnum_hex = inb(sbdev->option_reg_addr);
-				sbdev->nr_ports = ((portnum_hex/16)*10) + (portnum_hex % 16);
-			}
-			break;
-#ifdef CONFIG_PARPORT_PC
-		case PCI_DEVICE_ID_MP2S1P :
-			sbdev->nr_ports = 2;
-
-			/* SB16C1053APCI */
-			if (sbdev->revision == 0xc0)
-			{
-				int prev_port_addr = 0;
-
-				pci_read_config_dword(pcidev, PCI_BASE_ADDRESS_0, &prev_port_addr);
-				pci_remap_base(pcidev, PCI_BASE_ADDRESS_1, prev_port_addr + 8, 8);
-			}
-
-			/* add PC compatible parallel port */
-			parport_pc_probe_port(pcidev->resource[2].start, pcidev->resource[3].start, PARPORT_IRQ_NONE, PARPORT_DMA_NONE, &pcidev->dev, 0);
-			break;
-		case PCI_DEVICE_ID_MP1P :
-			/* add PC compatible parallel port */
-			parport_pc_probe_port(pcidev->resource[2].start, pcidev->resource[3].start, PARPORT_IRQ_NONE, PARPORT_DMA_NONE, &pcidev->dev, 0);
-			break;
-#endif
-	}
-
-	ret = request_region(sbdev->uart_access_addr, (8*sbdev->nr_ports), sbdev->name);
-
-	if (sbdev->revision == 0xc0)
-	{
-		ret = request_region(sbdev->option_reg_addr, 0x40, sbdev->name);
-	}
-	else
-	{
-		ret = request_region(sbdev->option_reg_addr, 0x20, sbdev->name);
-	}
-
-
-	NR_BOARD++;
-	NR_PORTS += sbdev->nr_ports;
-
-	/* Enable PCI interrupt */
-	addr = sbdev->option_reg_addr + MP_OPTR_IMR0;
-	for(j=0; j < (sbdev->nr_ports/8)+1; j++)
-	{
-		if (sbdev->poll_type == TYPE_INTERRUPT)
-		{
-			outb(0xff,addr +j);
-		}
-	}
-	sbdev++;
-
-	return 0;
-}
-
-static int __init multi_init(void)
-{
-	int ret, i;
-	struct pci_dev  *dev = NULL;
-
-	if(fcr_count==0)
-	{
-		for(i=0;i<256;i++)
-		{
-			fcr_arr[i] = 0x01;
-			
-		}
-	}
-	if(deep_count==0)
-	{
-		for(i=0;i<256;i++)
-		{
-			deep[i] = 1;
-			
-		}
-	}
-	if(rtr_count==0)
-        {
-                for(i=0;i<256;i++)
-                {
-                        rtr[i] = 0x10;
-                }
-        }
-	if(ttr_count==0)
-        {
-                for(i=0;i<256;i++)
-                {
-                        ttr[i] = 0x38;
-                }
-        }
-
-
-printk("MULTI INIT\n");
-	for( i=0; i< mp_nrpcibrds; i++)
-	{
-
-		while( (dev = pci_get_device(mp_pciboards[i].vendor_id, mp_pciboards[i].device_id, dev) ) )
-
-		{
-printk("FOUND~~~\n");
-//	Cent OS bug fix
-//			if (mp_pciboards[i].device_id & 0x0800)
-			{
-				int status;
-	        		pci_disable_device(dev);
-	        		status = pci_enable_device(dev);
-            
-	   		     	if (status != 0)
-        			{ 
-               				printk("Multiport Board Enable Fail !\n\n");
-               				status = -ENXIO;
-                			return status;
-           			}
-			}
-
-			init_mp_dev(dev, mp_pciboards[i]);	
-		}
-	}
-
-	for (i = 0; i < NR_IRQS; i++)
-		spin_lock_init(&irq_lists[i].lock);
-
-	ret = mp_register_driver(&multi_reg);
-
-	if (ret >= 0)
-		multi_register_ports(&multi_reg);
-
-	return ret;
-}
-
-static void __exit multi_exit(void)
-{
-	int i;
-
-	for (i = 0; i < NR_PORTS; i++)
-		mp_remove_one_port(&multi_reg, &multi_ports[i].port);
-
-	mp_unregister_driver(&multi_reg);
-}
-
-module_init(multi_init);
-module_exit(multi_exit);
-
-MODULE_DESCRIPTION("SystemBase Multiport PCI/PCIe CORE");
-MODULE_LICENSE("GPL");