600 void usc_DisableMasterIrqBit( struct mgsl_struct *info );
601 void usc_EnableMasterIrqBit( struct mgsl_struct *info );
602 void usc_EnableInterrupts( struct mgsl_struct *info, u16 IrqMask );
603 void usc_DisableInterrupts( struct mgsl_struct *info, u16 IrqMask );
604 void usc_ClearIrqPendingBits( struct mgsl_struct *info, u16 IrqMask );
664 static u16  usc_InDmaReg( struct mgsl_struct *info, u16 Port );
665 static void usc_OutDmaReg( struct mgsl_struct *info, u16 Port, u16 Value );
666 static void usc_DmaCmd( struct mgsl_struct *info, u16 Cmd );
668 static u16  usc_InReg( struct mgsl_struct *info, u16 Port );
669 static void usc_OutReg( struct mgsl_struct *info, u16 Port, u16 Value );
670 static void usc_RTCmd( struct mgsl_struct *info, u16 Cmd );
671 void usc_RCmd( struct mgsl_struct *info, u16 Cmd );
672 void usc_TCmd( struct mgsl_struct *info, u16 Cmd );
679 static void usc_process_rxoverrun_sync( struct mgsl_struct *info );
680 static void usc_start_receiver( struct mgsl_struct *info );
681 static void usc_stop_receiver( struct mgsl_struct *info );
683 static void usc_start_transmitter( struct mgsl_struct *info );
684 static void usc_stop_transmitter( struct mgsl_struct *info );
685 static void usc_set_txidle( struct mgsl_struct *info );
686 static void usc_load_txfifo( struct mgsl_struct *info );
688 static void usc_enable_aux_clock( struct mgsl_struct *info, u32 DataRate );
689 static void usc_enable_loopback( struct mgsl_struct *info, int enable );
691 static void usc_get_serial_signals( struct mgsl_struct *info );
692 static void usc_set_serial_signals( struct mgsl_struct *info );
694 static void usc_reset( struct mgsl_struct *info );
696 static void usc_set_sync_mode( struct mgsl_struct *info );
697 static void usc_set_sdlc_mode( struct mgsl_struct *info );
698 static void usc_set_async_mode( struct mgsl_struct *info );
699 static void usc_enable_async_clock( struct mgsl_struct *info, u32 DataRate );
701 static void usc_loopback_frame( struct mgsl_struct *info );
706 static void usc_loopmode_cancel_transmit( struct mgsl_struct * info );
707 static void usc_loopmode_insert_request( struct mgsl_struct * info );
708 static int usc_loopmode_active( struct mgsl_struct * info);
709 static void usc_loopmode_send_done( struct mgsl_struct * info );
711 static int mgsl_ioctl_common(struct mgsl_struct *info, unsigned int cmd, unsigned long arg);
715 static void hdlcdev_tx_done(struct mgsl_struct *info);
716 static void hdlcdev_rx(struct mgsl_struct *info, char *buf, int size);
717 static int  hdlcdev_init(struct mgsl_struct *info);
718 static void hdlcdev_exit(struct mgsl_struct *info);
737 static void mgsl_trace_block(struct mgsl_struct *info,const char* data, int count, int xmit);
742 static bool mgsl_register_test( struct mgsl_struct *info );
743 static bool mgsl_irq_test( struct mgsl_struct *info );
744 static bool mgsl_dma_test( struct mgsl_struct *info );
745 static bool mgsl_memory_test( struct mgsl_struct *info );
746 static int mgsl_adapter_test( struct mgsl_struct *info );
751 static int mgsl_claim_resources(struct mgsl_struct *info);
752 static void mgsl_release_resources(struct mgsl_struct *info);
753 static void mgsl_add_device(struct mgsl_struct *info);
759 static void mgsl_free_rx_frame_buffers( struct mgsl_struct *info, unsigned int StartIndex, unsigned…
760 static bool mgsl_get_rx_frame( struct mgsl_struct *info );
761 static bool mgsl_get_raw_rx_frame( struct mgsl_struct *info );
762 static void mgsl_reset_rx_dma_buffers( struct mgsl_struct *info );
763 static void mgsl_reset_tx_dma_buffers( struct mgsl_struct *info );
764 static int num_free_tx_dma_buffers(struct mgsl_struct *info);
765 static void mgsl_load_tx_dma_buffer( struct mgsl_struct *info, const char *Buffer, unsigned int Buf…
771 static int  mgsl_allocate_dma_buffers(struct mgsl_struct *info);
772 static void mgsl_free_dma_buffers(struct mgsl_struct *info);
773 static int  mgsl_alloc_frame_memory(struct mgsl_struct *info, DMABUFFERENTRY *BufferList,int Buffer…
774 static void mgsl_free_frame_memory(struct mgsl_struct *info, DMABUFFERENTRY *BufferList,int Bufferc…
775 static int  mgsl_alloc_buffer_list_memory(struct mgsl_struct *info);
776 static void mgsl_free_buffer_list_memory(struct mgsl_struct *info);
777 static int mgsl_alloc_intermediate_rxbuffer_memory(struct mgsl_struct *info);
778 static void mgsl_free_intermediate_rxbuffer_memory(struct mgsl_struct *info);
779 static int mgsl_alloc_intermediate_txbuffer_memory(struct mgsl_struct *info);
780 static void mgsl_free_intermediate_txbuffer_memory(struct mgsl_struct *info);
781 static bool load_next_tx_holding_buffer(struct mgsl_struct *info);
782 static int save_tx_buffer_request(struct mgsl_struct *info,const char *Buffer, unsigned int BufferS…
788 static void mgsl_bh_receive(struct mgsl_struct *info);
789 static void mgsl_bh_transmit(struct mgsl_struct *info);
790 static void mgsl_bh_status(struct mgsl_struct *info);
795 static void mgsl_isr_null( struct mgsl_struct *info );
796 static void mgsl_isr_transmit_data( struct mgsl_struct *info );
797 static void mgsl_isr_receive_data( struct mgsl_struct *info );
798 static void mgsl_isr_receive_status( struct mgsl_struct *info );
799 static void mgsl_isr_transmit_status( struct mgsl_struct *info );
800 static void mgsl_isr_io_pin( struct mgsl_struct *info );
801 static void mgsl_isr_misc( struct mgsl_struct *info );
802 static void mgsl_isr_receive_dma( struct mgsl_struct *info );
803 static void mgsl_isr_transmit_dma( struct mgsl_struct *info );
824 static int mgsl_get_stats(struct mgsl_struct * info, struct mgsl_icount
826 static int mgsl_get_params(struct mgsl_struct * info, MGSL_PARAMS  __user *user_params);
827 static int mgsl_set_params(struct mgsl_struct * info, MGSL_PARAMS  __user *new_params);
828 static int mgsl_get_txidle(struct mgsl_struct * info, int __user *idle_mode);
829 static int mgsl_set_txidle(struct mgsl_struct * info, int idle_mode);
830 static int mgsl_txenable(struct mgsl_struct * info, int enable);
831 static int mgsl_txabort(struct mgsl_struct * info);
832 static int mgsl_rxenable(struct mgsl_struct * info, int enable);
833 static int mgsl_wait_event(struct mgsl_struct * info, int __user *mask);
834 static int mgsl_loopmode_send_done( struct mgsl_struct * info );
908 static void mgsl_change_params(struct mgsl_struct *info);
922 static inline int mgsl_paranoia_check(struct mgsl_struct *info,  in mgsl_paranoia_check()  argument
931 	if (!info) {  in mgsl_paranoia_check()
935 	if (info->magic != MGSL_MAGIC) {  in mgsl_paranoia_check()
940 	if (!info)  in mgsl_paranoia_check()
971  * Arguments:		tty	pointer to tty info structure
976 	struct mgsl_struct *info = tty->driver_data;  in mgsl_stop()  local
979 	if (mgsl_paranoia_check(info, tty->name, "mgsl_stop"))  in mgsl_stop()
983 		printk("mgsl_stop(%s)\n",info->device_name);	  in mgsl_stop()
985 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_stop()
986 	if (info->tx_enabled)  in mgsl_stop()
987 	 	usc_stop_transmitter(info);  in mgsl_stop()
988 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_stop()
994  * Arguments:		tty	pointer to tty info structure
999 	struct mgsl_struct *info = tty->driver_data;  in mgsl_start()  local
1002 	if (mgsl_paranoia_check(info, tty->name, "mgsl_start"))  in mgsl_start()
1006 		printk("mgsl_start(%s)\n",info->device_name);	  in mgsl_start()
1008 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_start()
1009 	if (!info->tx_enabled)  in mgsl_start()
1010 	 	usc_start_transmitter(info);  in mgsl_start()
1011 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_start()
1022 static int mgsl_bh_action(struct mgsl_struct *info)  in mgsl_bh_action()  argument
1027 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_bh_action()
1029 	if (info->pending_bh & BH_RECEIVE) {  in mgsl_bh_action()
1030 		info->pending_bh &= ~BH_RECEIVE;  in mgsl_bh_action()
1032 	} else if (info->pending_bh & BH_TRANSMIT) {  in mgsl_bh_action()
1033 		info->pending_bh &= ~BH_TRANSMIT;  in mgsl_bh_action()
1035 	} else if (info->pending_bh & BH_STATUS) {  in mgsl_bh_action()
1036 		info->pending_bh &= ~BH_STATUS;  in mgsl_bh_action()
1042 		info->bh_running = false;  in mgsl_bh_action()
1043 		info->bh_requested = false;  in mgsl_bh_action()
1046 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_bh_action()
1056 	struct mgsl_struct *info =  in mgsl_bh_handler()  local
1062 			__FILE__,__LINE__,info->device_name);  in mgsl_bh_handler()
1064 	info->bh_running = true;  in mgsl_bh_handler()
1066 	while((action = mgsl_bh_action(info)) != 0) {  in mgsl_bh_handler()
1076 			mgsl_bh_receive(info);  in mgsl_bh_handler()
1079 			mgsl_bh_transmit(info);  in mgsl_bh_handler()
1082 			mgsl_bh_status(info);  in mgsl_bh_handler()
1093 			__FILE__,__LINE__,info->device_name);  in mgsl_bh_handler()
1096 static void mgsl_bh_receive(struct mgsl_struct *info)  in mgsl_bh_receive()  argument
1098 	bool (*get_rx_frame)(struct mgsl_struct *info) =  in mgsl_bh_receive()
1099 		(info->params.mode == MGSL_MODE_HDLC ? mgsl_get_rx_frame : mgsl_get_raw_rx_frame);  in mgsl_bh_receive()
1103 			__FILE__,__LINE__,info->device_name);  in mgsl_bh_receive()
1107 		if (info->rx_rcc_underrun) {  in mgsl_bh_receive()
1109 			spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_bh_receive()
1110 			usc_start_receiver(info);  in mgsl_bh_receive()
1111 			spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_bh_receive()
1114 	} while(get_rx_frame(info));  in mgsl_bh_receive()
1117 static void mgsl_bh_transmit(struct mgsl_struct *info)  in mgsl_bh_transmit()  argument
1119 	struct tty_struct *tty = info->port.tty;  in mgsl_bh_transmit()
1124 			__FILE__,__LINE__,info->device_name);  in mgsl_bh_transmit()
1132 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_bh_transmit()
1133  	if ( !info->tx_active && info->loopmode_send_done_requested )  in mgsl_bh_transmit()
1134  		usc_loopmode_send_done( info );  in mgsl_bh_transmit()
1135 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_bh_transmit()
1138 static void mgsl_bh_status(struct mgsl_struct *info)  in mgsl_bh_status()  argument
1142 			__FILE__,__LINE__,info->device_name);  in mgsl_bh_status()
1144 	info->ri_chkcount = 0;  in mgsl_bh_status()
1145 	info->dsr_chkcount = 0;  in mgsl_bh_status()
1146 	info->dcd_chkcount = 0;  in mgsl_bh_status()
1147 	info->cts_chkcount = 0;  in mgsl_bh_status()
1156  * Arguments:		info	pointer to device instance data
1159 static void mgsl_isr_receive_status( struct mgsl_struct *info )  in mgsl_isr_receive_status()  argument
1161 	u16 status = usc_InReg( info, RCSR );  in mgsl_isr_receive_status()
1168 		info->loopmode_insert_requested &&  in mgsl_isr_receive_status()
1169  		usc_loopmode_active(info) )  in mgsl_isr_receive_status()
1171 		++info->icount.rxabort;  in mgsl_isr_receive_status()
1172 	 	info->loopmode_insert_requested = false;  in mgsl_isr_receive_status()
1175 		info->cmr_value &= ~BIT13;  in mgsl_isr_receive_status()
1176  		usc_OutReg(info, CMR, info->cmr_value);  in mgsl_isr_receive_status()
1179 	 	usc_OutReg(info, RICR,  in mgsl_isr_receive_status()
1180  			(usc_InReg(info, RICR) & ~RXSTATUS_ABORT_RECEIVED));  in mgsl_isr_receive_status()
1185 			info->icount.exithunt++;  in mgsl_isr_receive_status()
1187 			info->icount.rxidle++;  in mgsl_isr_receive_status()
1188 		wake_up_interruptible(&info->event_wait_q);  in mgsl_isr_receive_status()
1192 		info->icount.rxover++;  in mgsl_isr_receive_status()
1193 		usc_process_rxoverrun_sync( info );  in mgsl_isr_receive_status()
1196 	usc_ClearIrqPendingBits( info, RECEIVE_STATUS );  in mgsl_isr_receive_status()
1197 	usc_UnlatchRxstatusBits( info, status );  in mgsl_isr_receive_status()
1208  * Arguments:		info	       pointer to device instance data
1211 static void mgsl_isr_transmit_status( struct mgsl_struct *info )  in mgsl_isr_transmit_status()  argument
1213 	u16 status = usc_InReg( info, TCSR );  in mgsl_isr_transmit_status()
1219 	usc_ClearIrqPendingBits( info, TRANSMIT_STATUS );  in mgsl_isr_transmit_status()
1220 	usc_UnlatchTxstatusBits( info, status );  in mgsl_isr_transmit_status()
1229  		usc_DmaCmd( info, DmaCmd_ResetTxChannel );  in mgsl_isr_transmit_status()
1230  		usc_RTCmd( info, RTCmd_PurgeTxFifo );  in mgsl_isr_transmit_status()
1234 		info->icount.txok++;  in mgsl_isr_transmit_status()
1236 		info->icount.txunder++;  in mgsl_isr_transmit_status()
1238 		info->icount.txabort++;  in mgsl_isr_transmit_status()
1240 		info->icount.txunder++;  in mgsl_isr_transmit_status()
1242 	info->tx_active = false;  in mgsl_isr_transmit_status()
1243 	info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;  in mgsl_isr_transmit_status()
1244 	del_timer(&info->tx_timer);	  in mgsl_isr_transmit_status()
1246 	if ( info->drop_rts_on_tx_done ) {  in mgsl_isr_transmit_status()
1247 		usc_get_serial_signals( info );  in mgsl_isr_transmit_status()
1248 		if ( info->serial_signals & SerialSignal_RTS ) {  in mgsl_isr_transmit_status()
1249 			info->serial_signals &= ~SerialSignal_RTS;  in mgsl_isr_transmit_status()
1250 			usc_set_serial_signals( info );  in mgsl_isr_transmit_status()
1252 		info->drop_rts_on_tx_done = false;  in mgsl_isr_transmit_status()
1256 	if (info->netcount)  in mgsl_isr_transmit_status()
1257 		hdlcdev_tx_done(info);  in mgsl_isr_transmit_status()
1261 		if (info->port.tty->stopped || info->port.tty->hw_stopped) {  in mgsl_isr_transmit_status()
1262 			usc_stop_transmitter(info);  in mgsl_isr_transmit_status()
1265 		info->pending_bh |= BH_TRANSMIT;  in mgsl_isr_transmit_status()
1275  * Arguments:		info	       pointer to device instance data
1278 static void mgsl_isr_io_pin( struct mgsl_struct *info )  in mgsl_isr_io_pin()  argument
1281 	u16 status = usc_InReg( info, MISR );  in mgsl_isr_io_pin()
1287 	usc_ClearIrqPendingBits( info, IO_PIN );  in mgsl_isr_io_pin()
1288 	usc_UnlatchIostatusBits( info, status );  in mgsl_isr_io_pin()
1292 		icount = &info->icount;  in mgsl_isr_io_pin()
1295 			if ((info->ri_chkcount)++ >= IO_PIN_SHUTDOWN_LIMIT)  in mgsl_isr_io_pin()
1296 				usc_DisablestatusIrqs(info,SICR_RI);  in mgsl_isr_io_pin()
1299 				info->input_signal_events.ri_up++;	  in mgsl_isr_io_pin()
1301 				info->input_signal_events.ri_down++;	  in mgsl_isr_io_pin()
1304 			if ((info->dsr_chkcount)++ >= IO_PIN_SHUTDOWN_LIMIT)  in mgsl_isr_io_pin()
1305 				usc_DisablestatusIrqs(info,SICR_DSR);  in mgsl_isr_io_pin()
1308 				info->input_signal_events.dsr_up++;  in mgsl_isr_io_pin()
1310 				info->input_signal_events.dsr_down++;  in mgsl_isr_io_pin()
1313 			if ((info->dcd_chkcount)++ >= IO_PIN_SHUTDOWN_LIMIT)  in mgsl_isr_io_pin()
1314 				usc_DisablestatusIrqs(info,SICR_DCD);  in mgsl_isr_io_pin()
1317 				info->input_signal_events.dcd_up++;  in mgsl_isr_io_pin()
1319 				info->input_signal_events.dcd_down++;  in mgsl_isr_io_pin()
1321 			if (info->netcount) {  in mgsl_isr_io_pin()
1323 					netif_carrier_on(info->netdev);  in mgsl_isr_io_pin()
1325 					netif_carrier_off(info->netdev);  in mgsl_isr_io_pin()
1331 			if ((info->cts_chkcount)++ >= IO_PIN_SHUTDOWN_LIMIT)  in mgsl_isr_io_pin()
1332 				usc_DisablestatusIrqs(info,SICR_CTS);  in mgsl_isr_io_pin()
1335 				info->input_signal_events.cts_up++;  in mgsl_isr_io_pin()
1337 				info->input_signal_events.cts_down++;  in mgsl_isr_io_pin()
1339 		wake_up_interruptible(&info->status_event_wait_q);  in mgsl_isr_io_pin()
1340 		wake_up_interruptible(&info->event_wait_q);  in mgsl_isr_io_pin()
1342 		if (tty_port_check_carrier(&info->port) &&  in mgsl_isr_io_pin()
1345 				printk("%s CD now %s...", info->device_name,  in mgsl_isr_io_pin()
1348 				wake_up_interruptible(&info->port.open_wait);  in mgsl_isr_io_pin()
1352 				if (info->port.tty)  in mgsl_isr_io_pin()
1353 					tty_hangup(info->port.tty);  in mgsl_isr_io_pin()
1357 		if (tty_port_cts_enabled(&info->port) &&  in mgsl_isr_io_pin()
1359 			if (info->port.tty->hw_stopped) {  in mgsl_isr_io_pin()
1363 					info->port.tty->hw_stopped = 0;  in mgsl_isr_io_pin()
1364 					usc_start_transmitter(info);  in mgsl_isr_io_pin()
1365 					info->pending_bh |= BH_TRANSMIT;  in mgsl_isr_io_pin()
1372 					if (info->port.tty)  in mgsl_isr_io_pin()
1373 						info->port.tty->hw_stopped = 1;  in mgsl_isr_io_pin()
1374 					usc_stop_transmitter(info);  in mgsl_isr_io_pin()
1380 	info->pending_bh |= BH_STATUS;  in mgsl_isr_io_pin()
1384 		usc_OutReg( info, SICR,  in mgsl_isr_io_pin()
1385 			(unsigned short)(usc_InReg(info,SICR) & ~(SICR_TXC_ACTIVE+SICR_TXC_INACTIVE)) );  in mgsl_isr_io_pin()
1386 		usc_UnlatchIostatusBits( info, MISCSTATUS_TXC_LATCHED );  in mgsl_isr_io_pin()
1387 		info->irq_occurred = true;  in mgsl_isr_io_pin()
1396  * Arguments:		info	pointer to device instance data
1399 static void mgsl_isr_transmit_data( struct mgsl_struct *info )  in mgsl_isr_transmit_data()  argument
1403 			__FILE__,__LINE__,info->xmit_cnt);  in mgsl_isr_transmit_data()
1405 	usc_ClearIrqPendingBits( info, TRANSMIT_DATA );  in mgsl_isr_transmit_data()
1407 	if (info->port.tty->stopped || info->port.tty->hw_stopped) {  in mgsl_isr_transmit_data()
1408 		usc_stop_transmitter(info);  in mgsl_isr_transmit_data()
1412 	if ( info->xmit_cnt )  in mgsl_isr_transmit_data()
1413 		usc_load_txfifo( info );  in mgsl_isr_transmit_data()
1415 		info->tx_active = false;  in mgsl_isr_transmit_data()
1417 	if (info->xmit_cnt < WAKEUP_CHARS)  in mgsl_isr_transmit_data()
1418 		info->pending_bh |= BH_TRANSMIT;  in mgsl_isr_transmit_data()
1428  * Arguments:		info		pointer to device instance data
1431 static void mgsl_isr_receive_data( struct mgsl_struct *info )  in mgsl_isr_receive_data()  argument
1437  	struct	mgsl_icount *icount = &info->icount;  in mgsl_isr_receive_data()
1443 	usc_ClearIrqPendingBits( info, RECEIVE_DATA );  in mgsl_isr_receive_data()
1446 	usc_RCmd( info, RCmd_SelectRicrRxFifostatus );  in mgsl_isr_receive_data()
1450 	usc_OutReg( info, RICR+LSBONLY, (u16)(usc_InReg(info, RICR+LSBONLY) & ~BIT3 ));  in mgsl_isr_receive_data()
1454 	while( (Fifocount = (usc_InReg(info,RICR) >> 8)) ) {  in mgsl_isr_receive_data()
1458 		outw( (inw(info->io_base + CCAR) & 0x0780) | (RDR+LSBONLY),  in mgsl_isr_receive_data()
1459 		      info->io_base + CCAR );  in mgsl_isr_receive_data()
1460 		DataByte = inb( info->io_base + CCAR );  in mgsl_isr_receive_data()
1463 		status = usc_InReg(info, RCSR);  in mgsl_isr_receive_data()
1466 			usc_UnlatchRxstatusBits(info,RXSTATUS_ALL);  in mgsl_isr_receive_data()
1485 				usc_RTCmd(info,RTCmd_PurgeRxFifo);  in mgsl_isr_receive_data()
1490 			if (status & info->ignore_status_mask)  in mgsl_isr_receive_data()
1493 			status &= info->read_status_mask;  in mgsl_isr_receive_data()
1497 				if (info->port.flags & ASYNC_SAK)  in mgsl_isr_receive_data()
1498 					do_SAK(info->port.tty);  in mgsl_isr_receive_data()
1504 		tty_insert_flip_char(&info->port, DataByte, flag);  in mgsl_isr_receive_data()
1510 			work += tty_insert_flip_char(&info->port, 0, TTY_OVERRUN);  in mgsl_isr_receive_data()
1521 		tty_flip_buffer_push(&info->port);  in mgsl_isr_receive_data()
1528  * Arguments:		info		pointer to device extension (instance data)
1531 static void mgsl_isr_misc( struct mgsl_struct *info )  in mgsl_isr_misc()  argument
1533 	u16 status = usc_InReg( info, MISR );  in mgsl_isr_misc()
1540 	    (info->params.mode == MGSL_MODE_HDLC)) {  in mgsl_isr_misc()
1543 		usc_EnableReceiver(info,DISABLE_UNCONDITIONAL);  in mgsl_isr_misc()
1544 		usc_DmaCmd(info, DmaCmd_ResetRxChannel);  in mgsl_isr_misc()
1545 		usc_UnlatchRxstatusBits(info, RXSTATUS_ALL);  in mgsl_isr_misc()
1546 		usc_ClearIrqPendingBits(info, RECEIVE_DATA | RECEIVE_STATUS);  in mgsl_isr_misc()
1547 		usc_DisableInterrupts(info, RECEIVE_DATA | RECEIVE_STATUS);  in mgsl_isr_misc()
1550 		info->pending_bh |= BH_RECEIVE;  in mgsl_isr_misc()
1551 		info->rx_rcc_underrun = true;  in mgsl_isr_misc()
1554 	usc_ClearIrqPendingBits( info, MISC );  in mgsl_isr_misc()
1555 	usc_UnlatchMiscstatusBits( info, status );  in mgsl_isr_misc()
1564  * Arguments:		info		pointer to device extension (instance data)
1567 static void mgsl_isr_null( struct mgsl_struct *info )  in mgsl_isr_null()  argument
1588  * Arguments:		info		pointer to device instance data
1591 static void mgsl_isr_receive_dma( struct mgsl_struct *info )  in mgsl_isr_receive_dma()  argument
1596 	usc_OutDmaReg( info, CDIR, BIT9 | BIT1 );  in mgsl_isr_receive_dma()
1600 	status = usc_InDmaReg( info, RDMR );  in mgsl_isr_receive_dma()
1604 			__FILE__,__LINE__,info->device_name,status);  in mgsl_isr_receive_dma()
1606 	info->pending_bh |= BH_RECEIVE;  in mgsl_isr_receive_dma()
1609 		info->rx_overflow = true;  in mgsl_isr_receive_dma()
1610 		info->icount.buf_overrun++;  in mgsl_isr_receive_dma()
1632  * Arguments:		info		pointer to device instance data
1635 static void mgsl_isr_transmit_dma( struct mgsl_struct *info )  in mgsl_isr_transmit_dma()  argument
1640 	usc_OutDmaReg(info, CDIR, BIT8 | BIT0 );  in mgsl_isr_transmit_dma()
1645 	status = usc_InDmaReg( info, TDMR );  in mgsl_isr_transmit_dma()
1649 			__FILE__,__LINE__,info->device_name,status);  in mgsl_isr_transmit_dma()
1652 		--info->tx_dma_buffers_used;  in mgsl_isr_transmit_dma()
1657 		if ( load_next_tx_holding_buffer(info) ) {  in mgsl_isr_transmit_dma()
1661 			info->pending_bh |= BH_TRANSMIT;  in mgsl_isr_transmit_dma()
1680 	struct mgsl_struct *info = dev_id;  in mgsl_interrupt()  local
1686 			__FILE__, __LINE__, info->irq_level);  in mgsl_interrupt()
1688 	spin_lock(&info->irq_spinlock);  in mgsl_interrupt()
1692 		UscVector = usc_InReg(info, IVR) >> 9;  in mgsl_interrupt()
1693 		DmaVector = usc_InDmaReg(info, DIVR);  in mgsl_interrupt()
1697 				__FILE__,__LINE__,info->device_name,UscVector,DmaVector);  in mgsl_interrupt()
1704 			(*UscIsrTable[UscVector])(info);  in mgsl_interrupt()
1706 			mgsl_isr_transmit_dma(info);  in mgsl_interrupt()
1708 			mgsl_isr_receive_dma(info);  in mgsl_interrupt()
1710 		if ( info->isr_overflow ) {  in mgsl_interrupt()
1712 				__FILE__, __LINE__, info->device_name, info->irq_level);  in mgsl_interrupt()
1713 			usc_DisableMasterIrqBit(info);  in mgsl_interrupt()
1714 			usc_DisableDmaInterrupts(info,DICR_MASTER);  in mgsl_interrupt()
1723 	if ( info->pending_bh && !info->bh_running && !info->bh_requested ) {  in mgsl_interrupt()
1726 				__FILE__,__LINE__,info->device_name);  in mgsl_interrupt()
1727 		schedule_work(&info->task);  in mgsl_interrupt()
1728 		info->bh_requested = true;  in mgsl_interrupt()
1731 	spin_unlock(&info->irq_spinlock);  in mgsl_interrupt()
1735 			__FILE__, __LINE__, info->irq_level);  in mgsl_interrupt()
1744  * Arguments:		info	pointer to device instance data
1747 static int startup(struct mgsl_struct * info)  in startup()  argument
1752 		printk("%s(%d):mgsl_startup(%s)\n",__FILE__,__LINE__,info->device_name);  in startup()
1754 	if (tty_port_initialized(&info->port))  in startup()
1757 	if (!info->xmit_buf) {  in startup()
1759 		info->xmit_buf = (unsigned char *)get_zeroed_page(GFP_KERNEL);  in startup()
1760 		if (!info->xmit_buf) {  in startup()
1762 				__FILE__,__LINE__,info->device_name);  in startup()
1767 	info->pending_bh = 0;  in startup()
1769 	memset(&info->icount, 0, sizeof(info->icount));  in startup()
1771 	timer_setup(&info->tx_timer, mgsl_tx_timeout, 0);  in startup()
1774 	retval = mgsl_claim_resources(info);  in startup()
1778 		retval = mgsl_adapter_test(info);  in startup()
1781   		if (capable(CAP_SYS_ADMIN) && info->port.tty)  in startup()
1782 			set_bit(TTY_IO_ERROR, &info->port.tty->flags);  in startup()
1783 		mgsl_release_resources(info);  in startup()
1788 	mgsl_change_params(info);  in startup()
1790 	if (info->port.tty)  in startup()
1791 		clear_bit(TTY_IO_ERROR, &info->port.tty->flags);  in startup()
1793 	tty_port_set_initialized(&info->port, 1);  in startup()
1802  * Arguments:		info	pointer to device instance data
1805 static void shutdown(struct mgsl_struct * info)  in shutdown()  argument
1809 	if (!tty_port_initialized(&info->port))  in shutdown()
1814 			 __FILE__,__LINE__, info->device_name );  in shutdown()
1818 	wake_up_interruptible(&info->status_event_wait_q);  in shutdown()
1819 	wake_up_interruptible(&info->event_wait_q);  in shutdown()
1821 	del_timer_sync(&info->tx_timer);  in shutdown()
1823 	if (info->xmit_buf) {  in shutdown()
1824 		free_page((unsigned long) info->xmit_buf);  in shutdown()
1825 		info->xmit_buf = NULL;  in shutdown()
1828 	spin_lock_irqsave(&info->irq_spinlock,flags);  in shutdown()
1829 	usc_DisableMasterIrqBit(info);  in shutdown()
1830 	usc_stop_receiver(info);  in shutdown()
1831 	usc_stop_transmitter(info);  in shutdown()
1832 	usc_DisableInterrupts(info,RECEIVE_DATA | RECEIVE_STATUS |  in shutdown()
1834 	usc_DisableDmaInterrupts(info,DICR_MASTER + DICR_TRANSMIT + DICR_RECEIVE);  in shutdown()
1839 	usc_OutReg(info, PCR, (u16)((usc_InReg(info, PCR) | BIT15) | BIT14));  in shutdown()
1844 	usc_OutReg(info, PCR, (u16)((usc_InReg(info, PCR) | BIT13) | BIT12));  in shutdown()
1846 	if (!info->port.tty || info->port.tty->termios.c_cflag & HUPCL) {  in shutdown()
1847 		info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR);  in shutdown()
1848 		usc_set_serial_signals(info);  in shutdown()
1851 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in shutdown()
1853 	mgsl_release_resources(info);  in shutdown()
1855 	if (info->port.tty)  in shutdown()
1856 		set_bit(TTY_IO_ERROR, &info->port.tty->flags);  in shutdown()
1858 	tty_port_set_initialized(&info->port, 0);  in shutdown()
1861 static void mgsl_program_hw(struct mgsl_struct *info)  in mgsl_program_hw()  argument
1865 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_program_hw()
1867 	usc_stop_receiver(info);  in mgsl_program_hw()
1868 	usc_stop_transmitter(info);  in mgsl_program_hw()
1869 	info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;  in mgsl_program_hw()
1871 	if (info->params.mode == MGSL_MODE_HDLC ||  in mgsl_program_hw()
1872 	    info->params.mode == MGSL_MODE_RAW ||  in mgsl_program_hw()
1873 	    info->netcount)  in mgsl_program_hw()
1874 		usc_set_sync_mode(info);  in mgsl_program_hw()
1876 		usc_set_async_mode(info);  in mgsl_program_hw()
1878 	usc_set_serial_signals(info);  in mgsl_program_hw()
1880 	info->dcd_chkcount = 0;  in mgsl_program_hw()
1881 	info->cts_chkcount = 0;  in mgsl_program_hw()
1882 	info->ri_chkcount = 0;  in mgsl_program_hw()
1883 	info->dsr_chkcount = 0;  in mgsl_program_hw()
1885 	usc_EnableStatusIrqs(info,SICR_CTS+SICR_DSR+SICR_DCD+SICR_RI);  in mgsl_program_hw()
1886 	usc_EnableInterrupts(info, IO_PIN);  in mgsl_program_hw()
1887 	usc_get_serial_signals(info);  in mgsl_program_hw()
1889 	if (info->netcount || info->port.tty->termios.c_cflag & CREAD)  in mgsl_program_hw()
1890 		usc_start_receiver(info);  in mgsl_program_hw()
1892 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_program_hw()
1897 static void mgsl_change_params(struct mgsl_struct *info)  in mgsl_change_params()  argument
1902 	if (!info->port.tty)  in mgsl_change_params()
1907 			 __FILE__,__LINE__, info->device_name );  in mgsl_change_params()
1909 	cflag = info->port.tty->termios.c_cflag;  in mgsl_change_params()
1914 		info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR;  in mgsl_change_params()
1916 		info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR);  in mgsl_change_params()
1921 	      case CS5: info->params.data_bits = 5; break;  in mgsl_change_params()
1922 	      case CS6: info->params.data_bits = 6; break;  in mgsl_change_params()
1923 	      case CS7: info->params.data_bits = 7; break;  in mgsl_change_params()
1924 	      case CS8: info->params.data_bits = 8; break;  in mgsl_change_params()
1926 	      default:  info->params.data_bits = 7; break;  in mgsl_change_params()
1930 		info->params.stop_bits = 2;  in mgsl_change_params()
1932 		info->params.stop_bits = 1;  in mgsl_change_params()
1934 	info->params.parity = ASYNC_PARITY_NONE;  in mgsl_change_params()
1937 			info->params.parity = ASYNC_PARITY_ODD;  in mgsl_change_params()
1939 			info->params.parity = ASYNC_PARITY_EVEN;  in mgsl_change_params()
1942 			info->params.parity = ASYNC_PARITY_SPACE;  in mgsl_change_params()
1949 	bits_per_char = info->params.data_bits +   in mgsl_change_params()
1950 			info->params.stop_bits + 1;  in mgsl_change_params()
1956 	if (info->params.data_rate <= 460800)  in mgsl_change_params()
1957 		info->params.data_rate = tty_get_baud_rate(info->port.tty);  in mgsl_change_params()
1959 	if ( info->params.data_rate ) {  in mgsl_change_params()
1960 		info->timeout = (32*HZ*bits_per_char) /   in mgsl_change_params()
1961 				info->params.data_rate;  in mgsl_change_params()
1963 	info->timeout += HZ/50;		/* Add .02 seconds of slop */  in mgsl_change_params()
1965 	tty_port_set_cts_flow(&info->port, cflag & CRTSCTS);  in mgsl_change_params()
1966 	tty_port_set_check_carrier(&info->port, ~cflag & CLOCAL);  in mgsl_change_params()
1970 	info->read_status_mask = RXSTATUS_OVERRUN;  in mgsl_change_params()
1971 	if (I_INPCK(info->port.tty))  in mgsl_change_params()
1972 		info->read_status_mask |= RXSTATUS_PARITY_ERROR | RXSTATUS_FRAMING_ERROR;  in mgsl_change_params()
1973  	if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty))  in mgsl_change_params()
1974  		info->read_status_mask |= RXSTATUS_BREAK_RECEIVED;  in mgsl_change_params()
1976 	if (I_IGNPAR(info->port.tty))  in mgsl_change_params()
1977 		info->ignore_status_mask |= RXSTATUS_PARITY_ERROR | RXSTATUS_FRAMING_ERROR;  in mgsl_change_params()
1978 	if (I_IGNBRK(info->port.tty)) {  in mgsl_change_params()
1979 		info->ignore_status_mask |= RXSTATUS_BREAK_RECEIVED;  in mgsl_change_params()
1983 		if (I_IGNPAR(info->port.tty))  in mgsl_change_params()
1984 			info->ignore_status_mask |= RXSTATUS_OVERRUN;  in mgsl_change_params()
1987 	mgsl_program_hw(info);  in mgsl_change_params()
2002 	struct mgsl_struct *info = tty->driver_data;  in mgsl_put_char()  local
2008 			__FILE__, __LINE__, ch, info->device_name);  in mgsl_put_char()
2011 	if (mgsl_paranoia_check(info, tty->name, "mgsl_put_char"))  in mgsl_put_char()
2014 	if (!info->xmit_buf)  in mgsl_put_char()
2017 	spin_lock_irqsave(&info->irq_spinlock, flags);  in mgsl_put_char()
2019 	if ((info->params.mode == MGSL_MODE_ASYNC ) || !info->tx_active) {  in mgsl_put_char()
2020 		if (info->xmit_cnt < SERIAL_XMIT_SIZE - 1) {  in mgsl_put_char()
2021 			info->xmit_buf[info->xmit_head++] = ch;  in mgsl_put_char()
2022 			info->xmit_head &= SERIAL_XMIT_SIZE-1;  in mgsl_put_char()
2023 			info->xmit_cnt++;  in mgsl_put_char()
2027 	spin_unlock_irqrestore(&info->irq_spinlock, flags);  in mgsl_put_char()
2042 	struct mgsl_struct *info = tty->driver_data;  in mgsl_flush_chars()  local
2047 			__FILE__,__LINE__,info->device_name,info->xmit_cnt);  in mgsl_flush_chars()
2049 	if (mgsl_paranoia_check(info, tty->name, "mgsl_flush_chars"))  in mgsl_flush_chars()
2052 	if (info->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped ||  in mgsl_flush_chars()
2053 	    !info->xmit_buf)  in mgsl_flush_chars()
2058 			__FILE__,__LINE__,info->device_name );  in mgsl_flush_chars()
2060 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_flush_chars()
2062 	if (!info->tx_active) {  in mgsl_flush_chars()
2063 		if ( (info->params.mode == MGSL_MODE_HDLC ||  in mgsl_flush_chars()
2064 			info->params.mode == MGSL_MODE_RAW) && info->xmit_cnt ) {  in mgsl_flush_chars()
2068 			mgsl_load_tx_dma_buffer(info,  in mgsl_flush_chars()
2069 				 info->xmit_buf,info->xmit_cnt);  in mgsl_flush_chars()
2071 	 	usc_start_transmitter(info);  in mgsl_flush_chars()
2074 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_flush_chars()
2094 	struct mgsl_struct *info = tty->driver_data;  in mgsl_write()  local
2099 			__FILE__,__LINE__,info->device_name,count);  in mgsl_write()
2101 	if (mgsl_paranoia_check(info, tty->name, "mgsl_write"))  in mgsl_write()
2104 	if (!info->xmit_buf)  in mgsl_write()
2107 	if ( info->params.mode == MGSL_MODE_HDLC ||  in mgsl_write()
2108 			info->params.mode == MGSL_MODE_RAW ) {  in mgsl_write()
2110 		if (info->tx_active) {  in mgsl_write()
2112 			if ( info->params.mode == MGSL_MODE_HDLC ) {  in mgsl_write()
2121 			if (info->tx_holding_count >= info->num_tx_holding_buffers ) {  in mgsl_write()
2129 			save_tx_buffer_request(info,buf,count);  in mgsl_write()
2134 			spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_write()
2135 			load_next_tx_holding_buffer(info);  in mgsl_write()
2136 			spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_write()
2144 		if ( (info->params.flags & HDLC_FLAG_HDLC_LOOPMODE) &&  in mgsl_write()
2145 			!usc_loopmode_active(info) )  in mgsl_write()
2151 		if ( info->xmit_cnt ) {  in mgsl_write()
2158 			mgsl_load_tx_dma_buffer(info,  in mgsl_write()
2159 				info->xmit_buf,info->xmit_cnt);  in mgsl_write()
2162 					__FILE__,__LINE__,info->device_name);  in mgsl_write()
2166 					__FILE__,__LINE__,info->device_name);  in mgsl_write()
2168 			info->xmit_cnt = count;  in mgsl_write()
2169 			mgsl_load_tx_dma_buffer(info,buf,count);  in mgsl_write()
2173 			spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_write()
2175 				min(SERIAL_XMIT_SIZE - info->xmit_cnt - 1,  in mgsl_write()
2176 				    SERIAL_XMIT_SIZE - info->xmit_head));  in mgsl_write()
2178 				spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_write()
2181 			memcpy(info->xmit_buf + info->xmit_head, buf, c);  in mgsl_write()
2182 			info->xmit_head = ((info->xmit_head + c) &  in mgsl_write()
2184 			info->xmit_cnt += c;  in mgsl_write()
2185 			spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_write()
2192  	if (info->xmit_cnt && !tty->stopped && !tty->hw_stopped) {  in mgsl_write()
2193 		spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_write()
2194 		if (!info->tx_active)  in mgsl_write()
2195 		 	usc_start_transmitter(info);  in mgsl_write()
2196 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_write()
2201 			__FILE__,__LINE__,info->device_name,ret);  in mgsl_write()
2211  * Arguments:		tty	pointer to tty info structure
2216 	struct mgsl_struct *info = tty->driver_data;  in mgsl_write_room()  local
2219 	if (mgsl_paranoia_check(info, tty->name, "mgsl_write_room"))  in mgsl_write_room()
2221 	ret = SERIAL_XMIT_SIZE - info->xmit_cnt - 1;  in mgsl_write_room()
2227 			 __FILE__,__LINE__, info->device_name,ret );  in mgsl_write_room()
2229 	if ( info->params.mode == MGSL_MODE_HDLC ||  in mgsl_write_room()
2230 		info->params.mode == MGSL_MODE_RAW ) {  in mgsl_write_room()
2232 		if ( info->tx_active )  in mgsl_write_room()
2246  * Arguments:		tty	pointer to tty info structure
2251 	struct mgsl_struct *info = tty->driver_data;  in mgsl_chars_in_buffer()  local
2255 			 __FILE__,__LINE__, info->device_name );  in mgsl_chars_in_buffer()
2257 	if (mgsl_paranoia_check(info, tty->name, "mgsl_chars_in_buffer"))  in mgsl_chars_in_buffer()
2262 			 __FILE__,__LINE__, info->device_name,info->xmit_cnt );  in mgsl_chars_in_buffer()
2264 	if ( info->params.mode == MGSL_MODE_HDLC ||  in mgsl_chars_in_buffer()
2265 		info->params.mode == MGSL_MODE_RAW ) {  in mgsl_chars_in_buffer()
2267 		if ( info->tx_active )  in mgsl_chars_in_buffer()
2268 			return info->max_frame_size;  in mgsl_chars_in_buffer()
2273 	return info->xmit_cnt;  in mgsl_chars_in_buffer()
2280  * Arguments:		tty	pointer to tty info structure
2285 	struct mgsl_struct *info = tty->driver_data;  in mgsl_flush_buffer()  local
2290 			 __FILE__,__LINE__, info->device_name );  in mgsl_flush_buffer()
2292 	if (mgsl_paranoia_check(info, tty->name, "mgsl_flush_buffer"))  in mgsl_flush_buffer()
2295 	spin_lock_irqsave(&info->irq_spinlock,flags);   in mgsl_flush_buffer()
2296 	info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;  in mgsl_flush_buffer()
2297 	del_timer(&info->tx_timer);	  in mgsl_flush_buffer()
2298 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_flush_buffer()
2307  * Arguments:		tty	pointer to tty info structure
2313 	struct mgsl_struct *info = tty->driver_data;  in mgsl_send_xchar()  local
2318 			 __FILE__,__LINE__, info->device_name, ch );  in mgsl_send_xchar()
2320 	if (mgsl_paranoia_check(info, tty->name, "mgsl_send_xchar"))  in mgsl_send_xchar()
2323 	info->x_char = ch;  in mgsl_send_xchar()
2326 		spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_send_xchar()
2327 		if (!info->tx_enabled)  in mgsl_send_xchar()
2328 		 	usc_start_transmitter(info);  in mgsl_send_xchar()
2329 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_send_xchar()
2337  * Arguments:		tty	pointer to tty info structure
2342 	struct mgsl_struct *info = tty->driver_data;  in mgsl_throttle()  local
2347 			 __FILE__,__LINE__, info->device_name );  in mgsl_throttle()
2349 	if (mgsl_paranoia_check(info, tty->name, "mgsl_throttle"))  in mgsl_throttle()
2356 		spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_throttle()
2357 		info->serial_signals &= ~SerialSignal_RTS;  in mgsl_throttle()
2358 	 	usc_set_serial_signals(info);  in mgsl_throttle()
2359 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_throttle()
2367  * Arguments:		tty	pointer to tty info structure
2372 	struct mgsl_struct *info = tty->driver_data;  in mgsl_unthrottle()  local
2377 			 __FILE__,__LINE__, info->device_name );  in mgsl_unthrottle()
2379 	if (mgsl_paranoia_check(info, tty->name, "mgsl_unthrottle"))  in mgsl_unthrottle()
2383 		if (info->x_char)  in mgsl_unthrottle()
2384 			info->x_char = 0;  in mgsl_unthrottle()
2390 		spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_unthrottle()
2391 		info->serial_signals |= SerialSignal_RTS;  in mgsl_unthrottle()
2392 	 	usc_set_serial_signals(info);  in mgsl_unthrottle()
2393 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_unthrottle()
2402  * Arguments:	info		pointer to device instance data
2407 static int mgsl_get_stats(struct mgsl_struct * info, struct mgsl_icount __user *user_icount)  in mgsl_get_stats()  argument
2413 			 __FILE__,__LINE__, info->device_name);  in mgsl_get_stats()
2416 		memset(&info->icount, 0, sizeof(info->icount));  in mgsl_get_stats()
2418 		mutex_lock(&info->port.mutex);  in mgsl_get_stats()
2419 		COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount));  in mgsl_get_stats()
2420 		mutex_unlock(&info->port.mutex);  in mgsl_get_stats()
2433  * Arguments:	info		pointer to device instance data
2438 static int mgsl_get_params(struct mgsl_struct * info, MGSL_PARAMS __user *user_params)  in mgsl_get_params()  argument
2443 			 __FILE__,__LINE__, info->device_name);  in mgsl_get_params()
2445 	mutex_lock(&info->port.mutex);  in mgsl_get_params()
2446 	COPY_TO_USER(err,user_params, &info->params, sizeof(MGSL_PARAMS));  in mgsl_get_params()
2447 	mutex_unlock(&info->port.mutex);  in mgsl_get_params()
2451 				__FILE__,__LINE__,info->device_name);  in mgsl_get_params()
2465  * 	info		pointer to device instance data
2470 static int mgsl_set_params(struct mgsl_struct * info, MGSL_PARAMS __user *new_params)  in mgsl_set_params()  argument
2478 			info->device_name );  in mgsl_set_params()
2483 				__FILE__,__LINE__,info->device_name);  in mgsl_set_params()
2487 	mutex_lock(&info->port.mutex);  in mgsl_set_params()
2488 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_set_params()
2489 	memcpy(&info->params,&tmp_params,sizeof(MGSL_PARAMS));  in mgsl_set_params()
2490 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_set_params()
2492  	mgsl_change_params(info);  in mgsl_set_params()
2493 	mutex_unlock(&info->port.mutex);  in mgsl_set_params()
2503  * Arguments:	info		pointer to device instance data
2508 static int mgsl_get_txidle(struct mgsl_struct * info, int __user *idle_mode)  in mgsl_get_txidle()  argument
2514 			 __FILE__,__LINE__, info->device_name, info->idle_mode);  in mgsl_get_txidle()
2516 	COPY_TO_USER(err,idle_mode, &info->idle_mode, sizeof(int));  in mgsl_get_txidle()
2520 				__FILE__,__LINE__,info->device_name);  in mgsl_get_txidle()
2530  * Arguments:	 	info		pointer to device instance data
2535 static int mgsl_set_txidle(struct mgsl_struct * info, int idle_mode)  in mgsl_set_txidle()  argument
2541 			info->device_name, idle_mode );  in mgsl_set_txidle()
2543 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_set_txidle()
2544 	info->idle_mode = idle_mode;  in mgsl_set_txidle()
2545 	usc_set_txidle( info );  in mgsl_set_txidle()
2546 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_set_txidle()
2557  * 	info		pointer to device instance data
2562 static int mgsl_txenable(struct mgsl_struct * info, int enable)  in mgsl_txenable()  argument
2568 			info->device_name, enable);  in mgsl_txenable()
2570 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_txenable()
2572 		if ( !info->tx_enabled ) {  in mgsl_txenable()
2574 			usc_start_transmitter(info);  in mgsl_txenable()
2582 			if ( info->params.flags & HDLC_FLAG_HDLC_LOOPMODE )  in mgsl_txenable()
2583 				usc_loopmode_insert_request( info );  in mgsl_txenable()
2586 		if ( info->tx_enabled )  in mgsl_txenable()
2587 			usc_stop_transmitter(info);  in mgsl_txenable()
2589 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_txenable()
2596  * Arguments:	 	info		pointer to device instance data
2599 static int mgsl_txabort(struct mgsl_struct * info)  in mgsl_txabort()  argument
2605 			info->device_name);  in mgsl_txabort()
2607 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_txabort()
2608 	if ( info->tx_active && info->params.mode == MGSL_MODE_HDLC )  in mgsl_txabort()
2610 		if ( info->params.flags & HDLC_FLAG_HDLC_LOOPMODE )  in mgsl_txabort()
2611 			usc_loopmode_cancel_transmit( info );  in mgsl_txabort()
2613 			usc_TCmd(info,TCmd_SendAbort);  in mgsl_txabort()
2615 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_txabort()
2622  * Arguments:	 	info		pointer to device instance data
2626 static int mgsl_rxenable(struct mgsl_struct * info, int enable)  in mgsl_rxenable()  argument
2632 			info->device_name, enable);  in mgsl_rxenable()
2634 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_rxenable()
2636 		if ( !info->rx_enabled )  in mgsl_rxenable()
2637 			usc_start_receiver(info);  in mgsl_rxenable()
2639 		if ( info->rx_enabled )  in mgsl_rxenable()
2640 			usc_stop_receiver(info);  in mgsl_rxenable()
2642 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_rxenable()
2649  * Arguments:	 	info	pointer to device instance data
2655 static int mgsl_wait_event(struct mgsl_struct * info, int __user * mask_ptr)  in mgsl_wait_event()  argument
2673 			info->device_name, mask);  in mgsl_wait_event()
2675 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_wait_event()
2678 	usc_get_serial_signals(info);  in mgsl_wait_event()
2679 	s = info->serial_signals;  in mgsl_wait_event()
2686 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_wait_event()
2691 	cprev = info->icount;  in mgsl_wait_event()
2692 	oldsigs = info->input_signal_events;  in mgsl_wait_event()
2696 		u16 oldreg = usc_InReg(info,RICR);  in mgsl_wait_event()
2701 			usc_OutReg(info, RICR, newreg);  in mgsl_wait_event()
2705 	add_wait_queue(&info->event_wait_q, &wait);  in mgsl_wait_event()
2707 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_wait_event()
2718 		spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_wait_event()
2719 		cnow = info->icount;  in mgsl_wait_event()
2720 		newsigs = info->input_signal_events;  in mgsl_wait_event()
2722 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_wait_event()
2757 	remove_wait_queue(&info->event_wait_q, &wait);  in mgsl_wait_event()
2761 		spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_wait_event()
2762 		if (!waitqueue_active(&info->event_wait_q)) {  in mgsl_wait_event()
2764 			usc_OutReg(info, RICR, usc_InReg(info,RICR) &  in mgsl_wait_event()
2767 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_wait_event()
2777 static int modem_input_wait(struct mgsl_struct *info,int arg)  in modem_input_wait()  argument
2785 	spin_lock_irqsave(&info->irq_spinlock,flags);  in modem_input_wait()
2786 	cprev = info->icount;  in modem_input_wait()
2787 	add_wait_queue(&info->status_event_wait_q, &wait);  in modem_input_wait()
2789 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in modem_input_wait()
2799 		spin_lock_irqsave(&info->irq_spinlock,flags);  in modem_input_wait()
2800 		cnow = info->icount;  in modem_input_wait()
2802 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in modem_input_wait()
2822 	remove_wait_queue(&info->status_event_wait_q, &wait);  in modem_input_wait()
2831 	struct mgsl_struct *info = tty->driver_data;  in tiocmget()  local
2835 	spin_lock_irqsave(&info->irq_spinlock,flags);  in tiocmget()
2836  	usc_get_serial_signals(info);  in tiocmget()
2837 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in tiocmget()
2839 	result = ((info->serial_signals & SerialSignal_RTS) ? TIOCM_RTS:0) +  in tiocmget()
2840 		((info->serial_signals & SerialSignal_DTR) ? TIOCM_DTR:0) +  in tiocmget()
2841 		((info->serial_signals & SerialSignal_DCD) ? TIOCM_CAR:0) +  in tiocmget()
2842 		((info->serial_signals & SerialSignal_RI)  ? TIOCM_RNG:0) +  in tiocmget()
2843 		((info->serial_signals & SerialSignal_DSR) ? TIOCM_DSR:0) +  in tiocmget()
2844 		((info->serial_signals & SerialSignal_CTS) ? TIOCM_CTS:0);  in tiocmget()
2848 			 __FILE__,__LINE__, info->device_name, result );  in tiocmget()
2857 	struct mgsl_struct *info = tty->driver_data;  in tiocmset()  local
2862 			__FILE__,__LINE__,info->device_name, set, clear);  in tiocmset()
2865 		info->serial_signals |= SerialSignal_RTS;  in tiocmset()
2867 		info->serial_signals |= SerialSignal_DTR;  in tiocmset()
2869 		info->serial_signals &= ~SerialSignal_RTS;  in tiocmset()
2871 		info->serial_signals &= ~SerialSignal_DTR;  in tiocmset()
2873 	spin_lock_irqsave(&info->irq_spinlock,flags);  in tiocmset()
2874  	usc_set_serial_signals(info);  in tiocmset()
2875 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in tiocmset()
2888 	struct mgsl_struct * info = tty->driver_data;  in mgsl_break()  local
2893 			 __FILE__,__LINE__, info->device_name, break_state);  in mgsl_break()
2895 	if (mgsl_paranoia_check(info, tty->name, "mgsl_break"))  in mgsl_break()
2898 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_break()
2900 		usc_OutReg(info,IOCR,(u16)(usc_InReg(info,IOCR) | BIT7));  in mgsl_break()
2902 		usc_OutReg(info,IOCR,(u16)(usc_InReg(info,IOCR) & ~BIT7));  in mgsl_break()
2903 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_break()
2918 	struct mgsl_struct * info = tty->driver_data;  in msgl_get_icount()  local
2922 	spin_lock_irqsave(&info->irq_spinlock,flags);  in msgl_get_icount()
2923 	cnow = info->icount;  in msgl_get_icount()
2924 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in msgl_get_icount()
2953 	struct mgsl_struct * info = tty->driver_data;  in mgsl_ioctl()  local
2957 			info->device_name, cmd );  in mgsl_ioctl()
2959 	if (mgsl_paranoia_check(info, tty->name, "mgsl_ioctl"))  in mgsl_ioctl()
2967 	return mgsl_ioctl_common(info, cmd, arg);  in mgsl_ioctl()
2970 static int mgsl_ioctl_common(struct mgsl_struct *info, unsigned int cmd, unsigned long arg)  in mgsl_ioctl_common()  argument
2976 			return mgsl_get_params(info, argp);  in mgsl_ioctl_common()
2978 			return mgsl_set_params(info, argp);  in mgsl_ioctl_common()
2980 			return mgsl_get_txidle(info, argp);  in mgsl_ioctl_common()
2982 			return mgsl_set_txidle(info,(int)arg);  in mgsl_ioctl_common()
2984 			return mgsl_txenable(info,(int)arg);  in mgsl_ioctl_common()
2986 			return mgsl_rxenable(info,(int)arg);  in mgsl_ioctl_common()
2988 			return mgsl_txabort(info);  in mgsl_ioctl_common()
2990 			return mgsl_get_stats(info, argp);  in mgsl_ioctl_common()
2992 			return mgsl_wait_event(info, argp);  in mgsl_ioctl_common()
2994 			return mgsl_loopmode_send_done(info);  in mgsl_ioctl_common()
2999 			return modem_input_wait(info,(int)arg);  in mgsl_ioctl_common()
3020 	struct mgsl_struct *info = tty->driver_data;  in mgsl_set_termios()  local
3027 	mgsl_change_params(info);  in mgsl_set_termios()
3031 		info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR);  in mgsl_set_termios()
3032 		spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_set_termios()
3033 	 	usc_set_serial_signals(info);  in mgsl_set_termios()
3034 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_set_termios()
3039 		info->serial_signals |= SerialSignal_DTR;  in mgsl_set_termios()
3041 			info->serial_signals |= SerialSignal_RTS;  in mgsl_set_termios()
3042 		spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_set_termios()
3043 	 	usc_set_serial_signals(info);  in mgsl_set_termios()
3044 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_set_termios()
3069 	struct mgsl_struct * info = tty->driver_data;  in mgsl_close()  local
3071 	if (mgsl_paranoia_check(info, tty->name, "mgsl_close"))  in mgsl_close()
3076 			 __FILE__,__LINE__, info->device_name, info->port.count);  in mgsl_close()
3078 	if (tty_port_close_start(&info->port, tty, filp) == 0)  in mgsl_close()
3081 	mutex_lock(&info->port.mutex);  in mgsl_close()
3082 	if (tty_port_initialized(&info->port))  in mgsl_close()
3083  		mgsl_wait_until_sent(tty, info->timeout);  in mgsl_close()
3086 	shutdown(info);  in mgsl_close()
3087 	mutex_unlock(&info->port.mutex);  in mgsl_close()
3089 	tty_port_close_end(&info->port, tty);	  in mgsl_close()
3090 	info->port.tty = NULL;  in mgsl_close()
3094 			tty->driver->name, info->port.count);  in mgsl_close()
3104  *	tty		pointer to tty info structure
3111 	struct mgsl_struct * info = tty->driver_data;  in mgsl_wait_until_sent()  local
3114 	if (!info )  in mgsl_wait_until_sent()
3119 			 __FILE__,__LINE__, info->device_name );  in mgsl_wait_until_sent()
3121 	if (mgsl_paranoia_check(info, tty->name, "mgsl_wait_until_sent"))  in mgsl_wait_until_sent()
3124 	if (!tty_port_initialized(&info->port))  in mgsl_wait_until_sent()
3135 	if ( info->params.data_rate ) {  in mgsl_wait_until_sent()
3136 	       	char_time = info->timeout/(32 * 5);  in mgsl_wait_until_sent()
3145 	if ( info->params.mode == MGSL_MODE_HDLC ||  in mgsl_wait_until_sent()
3146 		info->params.mode == MGSL_MODE_RAW ) {  in mgsl_wait_until_sent()
3147 		while (info->tx_active) {  in mgsl_wait_until_sent()
3155 		while (!(usc_InReg(info,TCSR) & TXSTATUS_ALL_SENT) &&  in mgsl_wait_until_sent()
3156 			info->tx_enabled) {  in mgsl_wait_until_sent()
3168 			 __FILE__,__LINE__, info->device_name );  in mgsl_wait_until_sent()
3182 	struct mgsl_struct * info = tty->driver_data;  in mgsl_hangup()  local
3186 			 __FILE__,__LINE__, info->device_name );  in mgsl_hangup()
3188 	if (mgsl_paranoia_check(info, tty->name, "mgsl_hangup"))  in mgsl_hangup()
3192 	shutdown(info);  in mgsl_hangup()
3194 	info->port.count = 0;	  in mgsl_hangup()
3195 	tty_port_set_active(&info->port, 0);  in mgsl_hangup()
3196 	info->port.tty = NULL;  in mgsl_hangup()
3198 	wake_up_interruptible(&info->port.open_wait);  in mgsl_hangup()
3211 	struct mgsl_struct *info = container_of(port, struct mgsl_struct, port);  in carrier_raised()  local
3213 	spin_lock_irqsave(&info->irq_spinlock, flags);  in carrier_raised()
3214  	usc_get_serial_signals(info);  in carrier_raised()
3215 	spin_unlock_irqrestore(&info->irq_spinlock, flags);  in carrier_raised()
3216 	return (info->serial_signals & SerialSignal_DCD) ? 1 : 0;  in carrier_raised()
3221 	struct mgsl_struct *info = container_of(port, struct mgsl_struct, port);  in dtr_rts()  local
3224 	spin_lock_irqsave(&info->irq_spinlock,flags);  in dtr_rts()
3226 		info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR;  in dtr_rts()
3228 		info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR);  in dtr_rts()
3229  	usc_set_serial_signals(info);  in dtr_rts()
3230 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in dtr_rts()
3241  * 	tty		pointer to tty info structure
3243  * 	info		pointer to device instance data
3248 			   struct mgsl_struct *info)  in block_til_ready()  argument
3255 	struct tty_port *port = &info->port;  in block_til_ready()
3284 	spin_lock_irqsave(&info->irq_spinlock, flags);  in block_til_ready()
3286 	spin_unlock_irqrestore(&info->irq_spinlock, flags);  in block_til_ready()
3301 		dcd = tty_port_carrier_raised(&info->port);  in block_til_ready()
3340 	struct mgsl_struct *info;  in mgsl_install()  local
3350 	/* find the info structure for the specified line */  in mgsl_install()
3351 	info = mgsl_device_list;  in mgsl_install()
3352 	while (info && info->line != line)  in mgsl_install()
3353 		info = info->next_device;  in mgsl_install()
3354 	if (mgsl_paranoia_check(info, tty->name, "mgsl_open"))  in mgsl_install()
3356 	tty->driver_data = info;  in mgsl_install()
3358 	return tty_port_install(&info->port, driver, tty);  in mgsl_install()
3366  * Arguments:		tty	pointer to tty info structure
3373 	struct mgsl_struct *info = tty->driver_data;  in mgsl_open()  local
3377 	info->port.tty = tty;  in mgsl_open()
3381 			 __FILE__,__LINE__,tty->driver->name, info->port.count);  in mgsl_open()
3383 	info->port.low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0;  in mgsl_open()
3385 	spin_lock_irqsave(&info->netlock, flags);  in mgsl_open()
3386 	if (info->netcount) {  in mgsl_open()
3388 		spin_unlock_irqrestore(&info->netlock, flags);  in mgsl_open()
3391 	info->port.count++;  in mgsl_open()
3392 	spin_unlock_irqrestore(&info->netlock, flags);  in mgsl_open()
3394 	if (info->port.count == 1) {  in mgsl_open()
3396 		retval = startup(info);  in mgsl_open()
3401 	retval = block_til_ready(tty, filp, info);  in mgsl_open()
3405 				 __FILE__,__LINE__, info->device_name, retval);  in mgsl_open()
3411 			 __FILE__,__LINE__, info->device_name);  in mgsl_open()
3417 			info->port.tty = NULL; /* tty layer will release tty struct */  in mgsl_open()
3418 		if(info->port.count)  in mgsl_open()
3419 			info->port.count--;  in mgsl_open()
3430 static inline void line_info(struct seq_file *m, struct mgsl_struct *info)  in line_info()  argument
3435 	if (info->bus_type == MGSL_BUS_TYPE_PCI) {  in line_info()
3437 			info->device_name, info->io_base, info->irq_level,  in line_info()
3438 			info->phys_memory_base, info->phys_lcr_base);  in line_info()
3441 			info->device_name, info->io_base,   in line_info()
3442 			info->irq_level, info->dma_level);  in line_info()
3446 	spin_lock_irqsave(&info->irq_spinlock,flags);  in line_info()
3447  	usc_get_serial_signals(info);  in line_info()
3448 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in line_info()
3452 	if (info->serial_signals & SerialSignal_RTS)  in line_info()
3454 	if (info->serial_signals & SerialSignal_CTS)  in line_info()
3456 	if (info->serial_signals & SerialSignal_DTR)  in line_info()
3458 	if (info->serial_signals & SerialSignal_DSR)  in line_info()
3460 	if (info->serial_signals & SerialSignal_DCD)  in line_info()
3462 	if (info->serial_signals & SerialSignal_RI)  in line_info()
3465 	if (info->params.mode == MGSL_MODE_HDLC ||  in line_info()
3466 	    info->params.mode == MGSL_MODE_RAW ) {  in line_info()
3468 			      info->icount.txok, info->icount.rxok);  in line_info()
3469 		if (info->icount.txunder)  in line_info()
3470 			seq_printf(m, " txunder:%d", info->icount.txunder);  in line_info()
3471 		if (info->icount.txabort)  in line_info()
3472 			seq_printf(m, " txabort:%d", info->icount.txabort);  in line_info()
3473 		if (info->icount.rxshort)  in line_info()
3474 			seq_printf(m, " rxshort:%d", info->icount.rxshort);  in line_info()
3475 		if (info->icount.rxlong)  in line_info()
3476 			seq_printf(m, " rxlong:%d", info->icount.rxlong);  in line_info()
3477 		if (info->icount.rxover)  in line_info()
3478 			seq_printf(m, " rxover:%d", info->icount.rxover);  in line_info()
3479 		if (info->icount.rxcrc)  in line_info()
3480 			seq_printf(m, " rxcrc:%d", info->icount.rxcrc);  in line_info()
3483 			      info->icount.tx, info->icount.rx);  in line_info()
3484 		if (info->icount.frame)  in line_info()
3485 			seq_printf(m, " fe:%d", info->icount.frame);  in line_info()
3486 		if (info->icount.parity)  in line_info()
3487 			seq_printf(m, " pe:%d", info->icount.parity);  in line_info()
3488 		if (info->icount.brk)  in line_info()
3489 			seq_printf(m, " brk:%d", info->icount.brk);  in line_info()
3490 		if (info->icount.overrun)  in line_info()
3491 			seq_printf(m, " oe:%d", info->icount.overrun);  in line_info()
3498 	 info->tx_active,info->bh_requested,info->bh_running,  in line_info()
3499 	 info->pending_bh);  in line_info()
3501 	spin_lock_irqsave(&info->irq_spinlock,flags);  in line_info()
3503 	u16 Tcsr = usc_InReg( info, TCSR );  in line_info()
3504 	u16 Tdmr = usc_InDmaReg( info, TDMR );  in line_info()
3505 	u16 Ticr = usc_InReg( info, TICR );  in line_info()
3506 	u16 Rscr = usc_InReg( info, RCSR );  in line_info()
3507 	u16 Rdmr = usc_InDmaReg( info, RDMR );  in line_info()
3508 	u16 Ricr = usc_InReg( info, RICR );  in line_info()
3509 	u16 Icr = usc_InReg( info, ICR );  in line_info()
3510 	u16 Dccr = usc_InReg( info, DCCR );  in line_info()
3511 	u16 Tmr = usc_InReg( info, TMR );  in line_info()
3512 	u16 Tccr = usc_InReg( info, TCCR );  in line_info()
3513 	u16 Ccar = inw( info->io_base + CCAR );  in line_info()
3518 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in line_info()
3524 	struct mgsl_struct *info;  in mgsl_proc_show()  local
3528 	info = mgsl_device_list;  in mgsl_proc_show()
3529 	while( info ) {  in mgsl_proc_show()
3530 		line_info(m, info);  in mgsl_proc_show()
3531 		info = info->next_device;  in mgsl_proc_show()
3541  * Arguments:		info	pointer to device instance data
3544 static int mgsl_allocate_dma_buffers(struct mgsl_struct *info)  in mgsl_allocate_dma_buffers()  argument
3548 	info->last_mem_alloc = 0;  in mgsl_allocate_dma_buffers()
3555 	BuffersPerFrame = (unsigned short)(info->max_frame_size/DMABUFFERSIZE);  in mgsl_allocate_dma_buffers()
3556 	if ( info->max_frame_size % DMABUFFERSIZE )  in mgsl_allocate_dma_buffers()
3559 	if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {  in mgsl_allocate_dma_buffers()
3582 		info->tx_buffer_count = info->num_tx_dma_buffers * BuffersPerFrame;  in mgsl_allocate_dma_buffers()
3583 		info->rx_buffer_count = 62 - info->tx_buffer_count;  in mgsl_allocate_dma_buffers()
3595 		info->tx_buffer_count = info->num_tx_dma_buffers * BuffersPerFrame;  in mgsl_allocate_dma_buffers()
3596 		info->rx_buffer_count = (BuffersPerFrame * MAXRXFRAMES) + 6;  in mgsl_allocate_dma_buffers()
3603 		if ( (info->tx_buffer_count + info->rx_buffer_count) > 62 )  in mgsl_allocate_dma_buffers()
3604 			info->rx_buffer_count = 62 - info->tx_buffer_count;  in mgsl_allocate_dma_buffers()
3610 			__FILE__,__LINE__, info->tx_buffer_count,info->rx_buffer_count);  in mgsl_allocate_dma_buffers()
3612 	if ( mgsl_alloc_buffer_list_memory( info ) < 0 ||  in mgsl_allocate_dma_buffers()
3613 		  mgsl_alloc_frame_memory(info, info->rx_buffer_list, info->rx_buffer_count) < 0 ||   in mgsl_allocate_dma_buffers()
3614 		  mgsl_alloc_frame_memory(info, info->tx_buffer_list, info->tx_buffer_count) < 0 ||   in mgsl_allocate_dma_buffers()
3615 		  mgsl_alloc_intermediate_rxbuffer_memory(info) < 0  ||  in mgsl_allocate_dma_buffers()
3616 		  mgsl_alloc_intermediate_txbuffer_memory(info) < 0 ) {  in mgsl_allocate_dma_buffers()
3621 	mgsl_reset_rx_dma_buffers( info );  in mgsl_allocate_dma_buffers()
3622   	mgsl_reset_tx_dma_buffers( info );  in mgsl_allocate_dma_buffers()
3636  * (plus some other info about the buffer).
3648  * Arguments:		info	pointer to device instance data
3651 static int mgsl_alloc_buffer_list_memory( struct mgsl_struct *info )  in mgsl_alloc_buffer_list_memory()  argument
3655 	if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {  in mgsl_alloc_buffer_list_memory()
3657 		info->buffer_list = info->memory_base + info->last_mem_alloc;  in mgsl_alloc_buffer_list_memory()
3658 		info->buffer_list_phys = info->last_mem_alloc;  in mgsl_alloc_buffer_list_memory()
3659 		info->last_mem_alloc += BUFFERLISTSIZE;  in mgsl_alloc_buffer_list_memory()
3667 …info->buffer_list = dma_alloc_coherent(NULL, BUFFERLISTSIZE, &info->buffer_list_dma_addr, GFP_KERN…  in mgsl_alloc_buffer_list_memory()
3668 		if (info->buffer_list == NULL)  in mgsl_alloc_buffer_list_memory()
3670 		info->buffer_list_phys = (u32)(info->buffer_list_dma_addr);  in mgsl_alloc_buffer_list_memory()
3675 	memset( info->buffer_list, 0, BUFFERLISTSIZE );  in mgsl_alloc_buffer_list_memory()
3680 	info->rx_buffer_list = (DMABUFFERENTRY *)info->buffer_list;  in mgsl_alloc_buffer_list_memory()
3681 	info->tx_buffer_list = (DMABUFFERENTRY *)info->buffer_list;  in mgsl_alloc_buffer_list_memory()
3682 	info->tx_buffer_list += info->rx_buffer_count;  in mgsl_alloc_buffer_list_memory()
3693 	for ( i = 0; i < info->rx_buffer_count; i++ ) {  in mgsl_alloc_buffer_list_memory()
3695 		info->rx_buffer_list[i].phys_entry =  in mgsl_alloc_buffer_list_memory()
3696 			info->buffer_list_phys + (i * sizeof(DMABUFFERENTRY));  in mgsl_alloc_buffer_list_memory()
3701 		info->rx_buffer_list[i].link = info->buffer_list_phys;  in mgsl_alloc_buffer_list_memory()
3703 		if ( i < info->rx_buffer_count - 1 )  in mgsl_alloc_buffer_list_memory()
3704 			info->rx_buffer_list[i].link += (i + 1) * sizeof(DMABUFFERENTRY);  in mgsl_alloc_buffer_list_memory()
3707 	for ( i = 0; i < info->tx_buffer_count; i++ ) {  in mgsl_alloc_buffer_list_memory()
3709 		info->tx_buffer_list[i].phys_entry = info->buffer_list_phys +  in mgsl_alloc_buffer_list_memory()
3710 			((info->rx_buffer_count + i) * sizeof(DMABUFFERENTRY));  in mgsl_alloc_buffer_list_memory()
3715 		info->tx_buffer_list[i].link = info->buffer_list_phys +  in mgsl_alloc_buffer_list_memory()
3716 			info->rx_buffer_count * sizeof(DMABUFFERENTRY);  in mgsl_alloc_buffer_list_memory()
3718 		if ( i < info->tx_buffer_count - 1 )  in mgsl_alloc_buffer_list_memory()
3719 			info->tx_buffer_list[i].link += (i + 1) * sizeof(DMABUFFERENTRY);  in mgsl_alloc_buffer_list_memory()
3735 static void mgsl_free_buffer_list_memory( struct mgsl_struct *info )  in mgsl_free_buffer_list_memory()  argument
3737 	if (info->buffer_list && info->bus_type != MGSL_BUS_TYPE_PCI)  in mgsl_free_buffer_list_memory()
3738 		dma_free_coherent(NULL, BUFFERLISTSIZE, info->buffer_list, info->buffer_list_dma_addr);  in mgsl_free_buffer_list_memory()
3740 	info->buffer_list = NULL;  in mgsl_free_buffer_list_memory()
3741 	info->rx_buffer_list = NULL;  in mgsl_free_buffer_list_memory()
3742 	info->tx_buffer_list = NULL;  in mgsl_free_buffer_list_memory()
3756  *	info		pointer to device instance data
3762 static int mgsl_alloc_frame_memory(struct mgsl_struct *info,DMABUFFERENTRY *BufferList,int Bufferco…  in mgsl_alloc_frame_memory()  argument
3770 		if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {  in mgsl_alloc_frame_memory()
3772 			BufferList[i].virt_addr = info->memory_base + info->last_mem_alloc;  in mgsl_alloc_frame_memory()
3773 			phys_addr = info->last_mem_alloc;  in mgsl_alloc_frame_memory()
3774 			info->last_mem_alloc += DMABUFFERSIZE;  in mgsl_alloc_frame_memory()
3797  *	info		pointer to device instance data
3803 static void mgsl_free_frame_memory(struct mgsl_struct *info, DMABUFFERENTRY *BufferList, int Buffer…  in mgsl_free_frame_memory()  argument
3810 				if ( info->bus_type != MGSL_BUS_TYPE_PCI )  in mgsl_free_frame_memory()
3823  * Arguments:		info	pointer to device instance data
3826 static void mgsl_free_dma_buffers( struct mgsl_struct *info )  in mgsl_free_dma_buffers()  argument
3828 	mgsl_free_frame_memory( info, info->rx_buffer_list, info->rx_buffer_count );  in mgsl_free_dma_buffers()
3829 	mgsl_free_frame_memory( info, info->tx_buffer_list, info->tx_buffer_count );  in mgsl_free_dma_buffers()
3830 	mgsl_free_buffer_list_memory( info );  in mgsl_free_dma_buffers()
3843  *	info		pointer to device instance data
3847 static int mgsl_alloc_intermediate_rxbuffer_memory(struct mgsl_struct *info)  in mgsl_alloc_intermediate_rxbuffer_memory()  argument
3849 	info->intermediate_rxbuffer = kmalloc(info->max_frame_size, GFP_KERNEL | GFP_DMA);  in mgsl_alloc_intermediate_rxbuffer_memory()
3850 	if ( info->intermediate_rxbuffer == NULL )  in mgsl_alloc_intermediate_rxbuffer_memory()
3853 	info->flag_buf = kzalloc(info->max_frame_size, GFP_KERNEL);  in mgsl_alloc_intermediate_rxbuffer_memory()
3854 	if (!info->flag_buf) {  in mgsl_alloc_intermediate_rxbuffer_memory()
3855 		kfree(info->intermediate_rxbuffer);  in mgsl_alloc_intermediate_rxbuffer_memory()
3856 		info->intermediate_rxbuffer = NULL;  in mgsl_alloc_intermediate_rxbuffer_memory()
3869  *	info		pointer to device instance data
3873 static void mgsl_free_intermediate_rxbuffer_memory(struct mgsl_struct *info)  in mgsl_free_intermediate_rxbuffer_memory()  argument
3875 	kfree(info->intermediate_rxbuffer);  in mgsl_free_intermediate_rxbuffer_memory()
3876 	info->intermediate_rxbuffer = NULL;  in mgsl_free_intermediate_rxbuffer_memory()
3877 	kfree(info->flag_buf);  in mgsl_free_intermediate_rxbuffer_memory()
3878 	info->flag_buf = NULL;  in mgsl_free_intermediate_rxbuffer_memory()
3891  *	info		pointer to device instance data
3895 static int mgsl_alloc_intermediate_txbuffer_memory(struct mgsl_struct *info)  in mgsl_alloc_intermediate_txbuffer_memory()  argument
3901 				info->device_name, __FILE__,__LINE__,info->num_tx_holding_buffers);  in mgsl_alloc_intermediate_txbuffer_memory()
3903 	memset(info->tx_holding_buffers,0,sizeof(info->tx_holding_buffers));  in mgsl_alloc_intermediate_txbuffer_memory()
3905 	for ( i=0; i<info->num_tx_holding_buffers; ++i) {  in mgsl_alloc_intermediate_txbuffer_memory()
3906 		info->tx_holding_buffers[i].buffer =  in mgsl_alloc_intermediate_txbuffer_memory()
3907 			kmalloc(info->max_frame_size, GFP_KERNEL);  in mgsl_alloc_intermediate_txbuffer_memory()
3908 		if (info->tx_holding_buffers[i].buffer == NULL) {  in mgsl_alloc_intermediate_txbuffer_memory()
3910 				kfree(info->tx_holding_buffers[i].buffer);  in mgsl_alloc_intermediate_txbuffer_memory()
3911 				info->tx_holding_buffers[i].buffer = NULL;  in mgsl_alloc_intermediate_txbuffer_memory()
3927  *	info		pointer to device instance data
3931 static void mgsl_free_intermediate_txbuffer_memory(struct mgsl_struct *info)  in mgsl_free_intermediate_txbuffer_memory()  argument
3935 	for ( i=0; i<info->num_tx_holding_buffers; ++i ) {  in mgsl_free_intermediate_txbuffer_memory()
3936 		kfree(info->tx_holding_buffers[i].buffer);  in mgsl_free_intermediate_txbuffer_memory()
3937 		info->tx_holding_buffers[i].buffer = NULL;  in mgsl_free_intermediate_txbuffer_memory()
3940 	info->get_tx_holding_index = 0;  in mgsl_free_intermediate_txbuffer_memory()
3941 	info->put_tx_holding_index = 0;  in mgsl_free_intermediate_txbuffer_memory()
3942 	info->tx_holding_count = 0;  in mgsl_free_intermediate_txbuffer_memory()
3955  *	info		pointer to device instance data
3961 static bool load_next_tx_holding_buffer(struct mgsl_struct *info)  in load_next_tx_holding_buffer()  argument
3965 	if ( info->tx_holding_count ) {  in load_next_tx_holding_buffer()
3970 			&info->tx_holding_buffers[info->get_tx_holding_index];  in load_next_tx_holding_buffer()
3971 		int num_free = num_free_tx_dma_buffers(info);  in load_next_tx_holding_buffer()
3977 			info->xmit_cnt = ptx->buffer_size;  in load_next_tx_holding_buffer()
3978 			mgsl_load_tx_dma_buffer(info,ptx->buffer,ptx->buffer_size);  in load_next_tx_holding_buffer()
3980 			--info->tx_holding_count;  in load_next_tx_holding_buffer()
3981 			if ( ++info->get_tx_holding_index >= info->num_tx_holding_buffers)  in load_next_tx_holding_buffer()
3982 				info->get_tx_holding_index=0;  in load_next_tx_holding_buffer()
3985 			mod_timer(&info->tx_timer, jiffies + msecs_to_jiffies(5000));  in load_next_tx_holding_buffer()
4001  *	info		pointer to device instance data
4007 static int save_tx_buffer_request(struct mgsl_struct *info,const char *Buffer, unsigned int BufferS…  in save_tx_buffer_request()  argument
4011 	if ( info->tx_holding_count >= info->num_tx_holding_buffers ) {  in save_tx_buffer_request()
4015 	ptx = &info->tx_holding_buffers[info->put_tx_holding_index];  in save_tx_buffer_request()
4019 	++info->tx_holding_count;  in save_tx_buffer_request()
4020 	if ( ++info->put_tx_holding_index >= info->num_tx_holding_buffers)  in save_tx_buffer_request()
4021 		info->put_tx_holding_index=0;  in save_tx_buffer_request()
4026 static int mgsl_claim_resources(struct mgsl_struct *info)  in mgsl_claim_resources()  argument
4028 	if (request_region(info->io_base,info->io_addr_size,"synclink") == NULL) {  in mgsl_claim_resources()
4030 			__FILE__,__LINE__,info->device_name, info->io_base);  in mgsl_claim_resources()
4033 	info->io_addr_requested = true;  in mgsl_claim_resources()
4035 	if ( request_irq(info->irq_level,mgsl_interrupt,info->irq_flags,  in mgsl_claim_resources()
4036 		info->device_name, info ) < 0 ) {  in mgsl_claim_resources()
4038 			__FILE__,__LINE__,info->device_name, info->irq_level );  in mgsl_claim_resources()
4041 	info->irq_requested = true;  in mgsl_claim_resources()
4043 	if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {  in mgsl_claim_resources()
4044 		if (request_mem_region(info->phys_memory_base,0x40000,"synclink") == NULL) {  in mgsl_claim_resources()
4046 				__FILE__,__LINE__,info->device_name, info->phys_memory_base);  in mgsl_claim_resources()
4049 		info->shared_mem_requested = true;  in mgsl_claim_resources()
4050 		if (request_mem_region(info->phys_lcr_base + info->lcr_offset,128,"synclink") == NULL) {  in mgsl_claim_resources()
4052 				__FILE__,__LINE__,info->device_name, info->phys_lcr_base + info->lcr_offset);  in mgsl_claim_resources()
4055 		info->lcr_mem_requested = true;  in mgsl_claim_resources()
4057 		info->memory_base = ioremap_nocache(info->phys_memory_base,  in mgsl_claim_resources()
4059 		if (!info->memory_base) {  in mgsl_claim_resources()
4061 				__FILE__,__LINE__,info->device_name, info->phys_memory_base );  in mgsl_claim_resources()
4065 		if ( !mgsl_memory_test(info) ) {  in mgsl_claim_resources()
4067 				__FILE__,__LINE__,info->device_name, info->phys_memory_base );  in mgsl_claim_resources()
4071 		info->lcr_base = ioremap_nocache(info->phys_lcr_base,  in mgsl_claim_resources()
4073 		if (!info->lcr_base) {  in mgsl_claim_resources()
4075 				__FILE__,__LINE__,info->device_name, info->phys_lcr_base );  in mgsl_claim_resources()
4078 		info->lcr_base += info->lcr_offset;  in mgsl_claim_resources()
4083 		if (request_dma(info->dma_level,info->device_name) < 0){  in mgsl_claim_resources()
4085 				__FILE__,__LINE__,info->device_name, info->dma_level );  in mgsl_claim_resources()
4088 		info->dma_requested = true;  in mgsl_claim_resources()
4091 		set_dma_mode(info->dma_level,DMA_MODE_CASCADE);  in mgsl_claim_resources()
4092 		enable_dma(info->dma_level);  in mgsl_claim_resources()
4095 	if ( mgsl_allocate_dma_buffers(info) < 0 ) {  in mgsl_claim_resources()
4097 			__FILE__,__LINE__,info->device_name, info->dma_level );  in mgsl_claim_resources()
4103 	mgsl_release_resources(info);  in mgsl_claim_resources()
4108 static void mgsl_release_resources(struct mgsl_struct *info)  in mgsl_release_resources()  argument
4112 			__FILE__,__LINE__,info->device_name );  in mgsl_release_resources()
4114 	if ( info->irq_requested ) {  in mgsl_release_resources()
4115 		free_irq(info->irq_level, info);  in mgsl_release_resources()
4116 		info->irq_requested = false;  in mgsl_release_resources()
4118 	if ( info->dma_requested ) {  in mgsl_release_resources()
4119 		disable_dma(info->dma_level);  in mgsl_release_resources()
4120 		free_dma(info->dma_level);  in mgsl_release_resources()
4121 		info->dma_requested = false;  in mgsl_release_resources()
4123 	mgsl_free_dma_buffers(info);  in mgsl_release_resources()
4124 	mgsl_free_intermediate_rxbuffer_memory(info);  in mgsl_release_resources()
4125      	mgsl_free_intermediate_txbuffer_memory(info);  in mgsl_release_resources()
4127 	if ( info->io_addr_requested ) {  in mgsl_release_resources()
4128 		release_region(info->io_base,info->io_addr_size);  in mgsl_release_resources()
4129 		info->io_addr_requested = false;  in mgsl_release_resources()
4131 	if ( info->shared_mem_requested ) {  in mgsl_release_resources()
4132 		release_mem_region(info->phys_memory_base,0x40000);  in mgsl_release_resources()
4133 		info->shared_mem_requested = false;  in mgsl_release_resources()
4135 	if ( info->lcr_mem_requested ) {  in mgsl_release_resources()
4136 		release_mem_region(info->phys_lcr_base + info->lcr_offset,128);  in mgsl_release_resources()
4137 		info->lcr_mem_requested = false;  in mgsl_release_resources()
4139 	if (info->memory_base){  in mgsl_release_resources()
4140 		iounmap(info->memory_base);  in mgsl_release_resources()
4141 		info->memory_base = NULL;  in mgsl_release_resources()
4143 	if (info->lcr_base){  in mgsl_release_resources()
4144 		iounmap(info->lcr_base - info->lcr_offset);  in mgsl_release_resources()
4145 		info->lcr_base = NULL;  in mgsl_release_resources()
4150 			__FILE__,__LINE__,info->device_name );  in mgsl_release_resources()
4159  * Arguments:		info	pointer to device instance data
4162 static void mgsl_add_device( struct mgsl_struct *info )  in mgsl_add_device()  argument
4164 	info->next_device = NULL;  in mgsl_add_device()
4165 	info->line = mgsl_device_count;  in mgsl_add_device()
4166 	sprintf(info->device_name,"ttySL%d",info->line);  in mgsl_add_device()
4168 	if (info->line < MAX_TOTAL_DEVICES) {  in mgsl_add_device()
4169 		if (maxframe[info->line])  in mgsl_add_device()
4170 			info->max_frame_size = maxframe[info->line];  in mgsl_add_device()
4172 		if (txdmabufs[info->line]) {  in mgsl_add_device()
4173 			info->num_tx_dma_buffers = txdmabufs[info->line];  in mgsl_add_device()
4174 			if (info->num_tx_dma_buffers < 1)  in mgsl_add_device()
4175 				info->num_tx_dma_buffers = 1;  in mgsl_add_device()
4178 		if (txholdbufs[info->line]) {  in mgsl_add_device()
4179 			info->num_tx_holding_buffers = txholdbufs[info->line];  in mgsl_add_device()
4180 			if (info->num_tx_holding_buffers < 1)  in mgsl_add_device()
4181 				info->num_tx_holding_buffers = 1;  in mgsl_add_device()
4182 			else if (info->num_tx_holding_buffers > MAX_TX_HOLDING_BUFFERS)  in mgsl_add_device()
4183 				info->num_tx_holding_buffers = MAX_TX_HOLDING_BUFFERS;  in mgsl_add_device()
4190 		mgsl_device_list = info;  in mgsl_add_device()
4195 		current_dev->next_device = info;  in mgsl_add_device()
4198 	if ( info->max_frame_size < 4096 )  in mgsl_add_device()
4199 		info->max_frame_size = 4096;  in mgsl_add_device()
4200 	else if ( info->max_frame_size > 65535 )  in mgsl_add_device()
4201 		info->max_frame_size = 65535;  in mgsl_add_device()
4203 	if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {  in mgsl_add_device()
4205 			info->hw_version + 1, info->device_name, info->io_base, info->irq_level,  in mgsl_add_device()
4206 			info->phys_memory_base, info->phys_lcr_base,  in mgsl_add_device()
4207 		     	info->max_frame_size );  in mgsl_add_device()
4210 			info->device_name, info->io_base, info->irq_level, info->dma_level,  in mgsl_add_device()
4211 		     	info->max_frame_size );  in mgsl_add_device()
4215 	hdlcdev_init(info);  in mgsl_add_device()
4235 	struct mgsl_struct *info;  in mgsl_allocate_device()  local
4237 	info = kzalloc(sizeof(struct mgsl_struct),  in mgsl_allocate_device()
4240 	if (!info) {  in mgsl_allocate_device()
4243 		tty_port_init(&info->port);  in mgsl_allocate_device()
4244 		info->port.ops = &mgsl_port_ops;  in mgsl_allocate_device()
4245 		info->magic = MGSL_MAGIC;  in mgsl_allocate_device()
4246 		INIT_WORK(&info->task, mgsl_bh_handler);  in mgsl_allocate_device()
4247 		info->max_frame_size = 4096;  in mgsl_allocate_device()
4248 		info->port.close_delay = 5*HZ/10;  in mgsl_allocate_device()
4249 		info->port.closing_wait = 30*HZ;  in mgsl_allocate_device()
4250 		init_waitqueue_head(&info->status_event_wait_q);  in mgsl_allocate_device()
4251 		init_waitqueue_head(&info->event_wait_q);  in mgsl_allocate_device()
4252 		spin_lock_init(&info->irq_spinlock);  in mgsl_allocate_device()
4253 		spin_lock_init(&info->netlock);  in mgsl_allocate_device()
4254 		memcpy(&info->params,&default_params,sizeof(MGSL_PARAMS));  in mgsl_allocate_device()
4255 		info->idle_mode = HDLC_TXIDLE_FLAGS;  in mgsl_allocate_device()
4256 		info->num_tx_dma_buffers = 1;  in mgsl_allocate_device()
4257 		info->num_tx_holding_buffers = 0;  in mgsl_allocate_device()
4260 	return info;  in mgsl_allocate_device()
4331 	struct mgsl_struct *info;  in synclink_cleanup()  local
4344 	info = mgsl_device_list;  in synclink_cleanup()
4345 	while(info) {  in synclink_cleanup()
4347 		hdlcdev_exit(info);  in synclink_cleanup()
4349 		mgsl_release_resources(info);  in synclink_cleanup()
4350 		tmp = info;  in synclink_cleanup()
4351 		info = info->next_device;  in synclink_cleanup()
4408  *    info   pointer to device information structure
4415 static void usc_RTCmd( struct mgsl_struct *info, u16 Cmd )  in usc_RTCmd()  argument
4420 	outw( Cmd + info->loopback_bits, info->io_base + CCAR );  in usc_RTCmd()
4423 	if ( info->bus_type == MGSL_BUS_TYPE_PCI )  in usc_RTCmd()
4424 		inw( info->io_base + CCAR );  in usc_RTCmd()
4435  *    info   pointer to device information structure
4442 static void usc_DmaCmd( struct mgsl_struct *info, u16 Cmd )  in usc_DmaCmd()  argument
4445 	outw( Cmd + info->mbre_bit, info->io_base );  in usc_DmaCmd()
4448 	if ( info->bus_type == MGSL_BUS_TYPE_PCI )  in usc_DmaCmd()
4449 		inw( info->io_base );  in usc_DmaCmd()
4460  *    info      pointer to device info structure
4469 static void usc_OutDmaReg( struct mgsl_struct *info, u16 RegAddr, u16 RegValue )  in usc_OutDmaReg()  argument
4474 	outw( RegAddr + info->mbre_bit, info->io_base );  in usc_OutDmaReg()
4475 	outw( RegValue, info->io_base );  in usc_OutDmaReg()
4478 	if ( info->bus_type == MGSL_BUS_TYPE_PCI )  in usc_OutDmaReg()
4479 		inw( info->io_base );  in usc_OutDmaReg()
4490  *    info     pointer to device info structure
4498 static u16 usc_InDmaReg( struct mgsl_struct *info, u16 RegAddr )  in usc_InDmaReg()  argument
4503 	outw( RegAddr + info->mbre_bit, info->io_base );  in usc_InDmaReg()
4504 	return inw( info->io_base );  in usc_InDmaReg()
4516  *    info      pointer to device info structure
4525 static void usc_OutReg( struct mgsl_struct *info, u16 RegAddr, u16 RegValue )  in usc_OutReg()  argument
4527 	outw( RegAddr + info->loopback_bits, info->io_base + CCAR );  in usc_OutReg()
4528 	outw( RegValue, info->io_base + CCAR );  in usc_OutReg()
4531 	if ( info->bus_type == MGSL_BUS_TYPE_PCI )  in usc_OutReg()
4532 		inw( info->io_base + CCAR );  in usc_OutReg()
4543  *    info       pointer to device extension
4550 static u16 usc_InReg( struct mgsl_struct *info, u16 RegAddr )  in usc_InReg()  argument
4552 	outw( RegAddr + info->loopback_bits, info->io_base + CCAR );  in usc_InReg()
4553 	return inw( info->io_base + CCAR );  in usc_InReg()
4561  * Arguments:		info    pointer to device instance data
4564 static void usc_set_sdlc_mode( struct mgsl_struct *info )  in usc_set_sdlc_mode()  argument
4578 	usc_OutReg(info,TMCR,0x1f);  in usc_set_sdlc_mode()
4579 	RegValue=usc_InReg(info,TMDR);  in usc_set_sdlc_mode()
4582  	if ( info->params.flags & HDLC_FLAG_HDLC_LOOPMODE )  in usc_set_sdlc_mode()
4616 		if (info->params.mode == MGSL_MODE_RAW) {  in usc_set_sdlc_mode()
4619 			usc_OutReg( info, IOCR,		/* Set IOCR DCD is RxSync Detect Input */  in usc_set_sdlc_mode()
4620 				(unsigned short)((usc_InReg(info, IOCR) & ~(BIT13|BIT12)) | BIT12));  in usc_set_sdlc_mode()
4640 		if ( info->params.flags & HDLC_FLAG_UNDERRUN_ABORT15 )  in usc_set_sdlc_mode()
4642 		else if ( info->params.flags & HDLC_FLAG_UNDERRUN_FLAG )  in usc_set_sdlc_mode()
4644 		else if ( info->params.flags & HDLC_FLAG_UNDERRUN_CRC )  in usc_set_sdlc_mode()
4648 		if ( info->params.preamble != HDLC_PREAMBLE_PATTERN_NONE )  in usc_set_sdlc_mode()
4652 	if ( info->params.mode == MGSL_MODE_HDLC &&  in usc_set_sdlc_mode()
4653 		(info->params.flags & HDLC_FLAG_SHARE_ZERO) )  in usc_set_sdlc_mode()
4656 	if ( info->params.addr_filter != 0xff )  in usc_set_sdlc_mode()
4659 		usc_OutReg( info, RSR, info->params.addr_filter );  in usc_set_sdlc_mode()
4663 	usc_OutReg( info, CMR, RegValue );  in usc_set_sdlc_mode()
4664 	info->cmr_value = RegValue;  in usc_set_sdlc_mode()
4683 	switch ( info->params.encoding ) {  in usc_set_sdlc_mode()
4693 	if ( (info->params.crc_type & HDLC_CRC_MASK) == HDLC_CRC_16_CCITT )  in usc_set_sdlc_mode()
4695 	else if ( (info->params.crc_type & HDLC_CRC_MASK) == HDLC_CRC_32_CCITT )  in usc_set_sdlc_mode()
4698 	usc_OutReg( info, RMR, RegValue );  in usc_set_sdlc_mode()
4707 	usc_OutReg( info, RCLR, RCLRVALUE );  in usc_set_sdlc_mode()
4709 	usc_RCmd( info, RCmd_SelectRicrdma_level );  in usc_set_sdlc_mode()
4729 	RegValue = usc_InReg( info, RICR ) & 0xc0;  in usc_set_sdlc_mode()
4731 	if ( info->bus_type == MGSL_BUS_TYPE_PCI )  in usc_set_sdlc_mode()
4732 		usc_OutReg( info, RICR, (u16)(0x030a | RegValue) );  in usc_set_sdlc_mode()
4734 		usc_OutReg( info, RICR, (u16)(0x140a | RegValue) );  in usc_set_sdlc_mode()
4738 	usc_UnlatchRxstatusBits( info, RXSTATUS_ALL );  in usc_set_sdlc_mode()
4739 	usc_ClearIrqPendingBits( info, RECEIVE_STATUS );  in usc_set_sdlc_mode()
4758 	switch ( info->params.encoding ) {  in usc_set_sdlc_mode()
4768 	if ( (info->params.crc_type & HDLC_CRC_MASK) == HDLC_CRC_16_CCITT )  in usc_set_sdlc_mode()
4770 	else if ( (info->params.crc_type & HDLC_CRC_MASK) == HDLC_CRC_32_CCITT )  in usc_set_sdlc_mode()
4773 	usc_OutReg( info, TMR, RegValue );  in usc_set_sdlc_mode()
4775 	usc_set_txidle( info );  in usc_set_sdlc_mode()
4778 	usc_TCmd( info, TCmd_SelectTicrdma_level );  in usc_set_sdlc_mode()
4795 	if ( info->bus_type == MGSL_BUS_TYPE_PCI )  in usc_set_sdlc_mode()
4796 		usc_OutReg( info, TICR, 0x0736 );  in usc_set_sdlc_mode()
4798 		usc_OutReg( info, TICR, 0x1436 );  in usc_set_sdlc_mode()
4800 	usc_UnlatchTxstatusBits( info, TXSTATUS_ALL );  in usc_set_sdlc_mode()
4801 	usc_ClearIrqPendingBits( info, TRANSMIT_STATUS );  in usc_set_sdlc_mode()
4820 	info->tcsr_value = 0;  in usc_set_sdlc_mode()
4823 		info->tcsr_value |= TCSR_UNDERWAIT;  in usc_set_sdlc_mode()
4825 	usc_OutReg( info, TCSR, info->tcsr_value );  in usc_set_sdlc_mode()
4842 	if ( info->params.flags & HDLC_FLAG_RXC_DPLL )  in usc_set_sdlc_mode()
4844 	else if ( info->params.flags & HDLC_FLAG_RXC_BRG )  in usc_set_sdlc_mode()
4846  	else if ( info->params.flags & HDLC_FLAG_RXC_TXCPIN)  in usc_set_sdlc_mode()
4851 	if ( info->params.flags & HDLC_FLAG_TXC_DPLL )  in usc_set_sdlc_mode()
4853 	else if ( info->params.flags & HDLC_FLAG_TXC_BRG )  in usc_set_sdlc_mode()
4855  	else if ( info->params.flags & HDLC_FLAG_TXC_RXCPIN)  in usc_set_sdlc_mode()
4860 	usc_OutReg( info, CMCR, RegValue );  in usc_set_sdlc_mode()
4880 	if ( info->params.flags & (HDLC_FLAG_RXC_DPLL | HDLC_FLAG_TXC_DPLL) ) {  in usc_set_sdlc_mode()
4888 		if ( info->bus_type == MGSL_BUS_TYPE_PCI )  in usc_set_sdlc_mode()
4893 		if ( info->params.flags & HDLC_FLAG_DPLL_DIV16 ) {  in usc_set_sdlc_mode()
4897 		else if ( info->params.flags & HDLC_FLAG_DPLL_DIV8 ) {  in usc_set_sdlc_mode()
4918  		if ( info->params.clock_speed )  in usc_set_sdlc_mode()
4920 			Tc = (u16)((XtalSpeed/DpllDivisor)/info->params.clock_speed);  in usc_set_sdlc_mode()
4921 			if ( !((((XtalSpeed/DpllDivisor) % info->params.clock_speed) * 2)  in usc_set_sdlc_mode()
4922 			       / info->params.clock_speed) )  in usc_set_sdlc_mode()
4930 		usc_OutReg( info, TC1R, Tc );  in usc_set_sdlc_mode()
4934 		switch ( info->params.encoding ) {  in usc_set_sdlc_mode()
4946 	usc_OutReg( info, HCR, RegValue );  in usc_set_sdlc_mode()
4967 	usc_OutReg( info, CCSR, 0x1020 );  in usc_set_sdlc_mode()
4970 	if ( info->params.flags & HDLC_FLAG_AUTO_CTS ) {  in usc_set_sdlc_mode()
4971 		usc_OutReg( info, SICR,  in usc_set_sdlc_mode()
4972 			    (u16)(usc_InReg(info,SICR) | SICR_CTS_INACTIVE) );  in usc_set_sdlc_mode()
4977 	usc_EnableMasterIrqBit( info );  in usc_set_sdlc_mode()
4979 	usc_ClearIrqPendingBits( info, RECEIVE_STATUS | RECEIVE_DATA |  in usc_set_sdlc_mode()
4983 	usc_OutReg(info, SICR, (u16)(usc_InReg(info,SICR) | BIT3));  in usc_set_sdlc_mode()
4984 	usc_EnableInterrupts(info, MISC);  in usc_set_sdlc_mode()
4986 	info->mbre_bit = 0;  in usc_set_sdlc_mode()
4987 	outw( 0, info->io_base ); 			/* clear Master Bus Enable (DCAR) */  in usc_set_sdlc_mode()
4988 	usc_DmaCmd( info, DmaCmd_ResetAllChannels );	/* disable both DMA channels */  in usc_set_sdlc_mode()
4989 	info->mbre_bit = BIT8;  in usc_set_sdlc_mode()
4990 	outw( BIT8, info->io_base );			/* set Master Bus Enable (DCAR) */  in usc_set_sdlc_mode()
5014 	if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {  in usc_set_sdlc_mode()
5016 		usc_OutDmaReg( info, DCR, 0xa00b );  in usc_set_sdlc_mode()
5019 		usc_OutDmaReg( info, DCR, 0x800b );  in usc_set_sdlc_mode()
5035 	usc_OutDmaReg( info, RDMR, 0xf200 );  in usc_set_sdlc_mode()
5051 	usc_OutDmaReg( info, TDMR, 0xf200 );  in usc_set_sdlc_mode()
5067 	usc_OutDmaReg( info, DICR, 0x9000 );  in usc_set_sdlc_mode()
5069 	usc_InDmaReg( info, RDMR );		/* clear pending receive DMA IRQ bits */  in usc_set_sdlc_mode()
5070 	usc_InDmaReg( info, TDMR );		/* clear pending transmit DMA IRQ bits */  in usc_set_sdlc_mode()
5071 	usc_OutDmaReg( info, CDIR, 0x0303 );	/* clear IUS and Pending for Tx and Rx */  in usc_set_sdlc_mode()
5089 	switch ( info->params.preamble_length ) {  in usc_set_sdlc_mode()
5095 	switch ( info->params.preamble ) {  in usc_set_sdlc_mode()
5102 	usc_OutReg( info, CCR, RegValue );  in usc_set_sdlc_mode()
5112 	if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {  in usc_set_sdlc_mode()
5114 		usc_OutDmaReg( info, BDCR, 0x0000 );  in usc_set_sdlc_mode()
5117 		usc_OutDmaReg( info, BDCR, 0x2000 );  in usc_set_sdlc_mode()
5119 	usc_stop_transmitter(info);  in usc_set_sdlc_mode()
5120 	usc_stop_receiver(info);  in usc_set_sdlc_mode()
5130  * Arguments:		info	pointer to device instance data
5134 static void usc_enable_loopback(struct mgsl_struct *info, int enable)  in usc_enable_loopback()  argument
5138 		usc_OutReg(info,IOCR,usc_InReg(info,IOCR) | (BIT7 | BIT6));  in usc_enable_loopback()
5153 		usc_OutReg( info, CMCR, 0x0f64 );  in usc_enable_loopback()
5157 		if (info->params.clock_speed) {  in usc_enable_loopback()
5158 			if (info->bus_type == MGSL_BUS_TYPE_PCI)  in usc_enable_loopback()
5159 				usc_OutReg(info, TC0R, (u16)((11059200/info->params.clock_speed)-1));  in usc_enable_loopback()
5161 				usc_OutReg(info, TC0R, (u16)((14745600/info->params.clock_speed)-1));  in usc_enable_loopback()
5163 			usc_OutReg(info, TC0R, (u16)8);  in usc_enable_loopback()
5167 		usc_OutReg( info, HCR, (u16)((usc_InReg( info, HCR ) & ~BIT1) | BIT0) );  in usc_enable_loopback()
5170 		usc_OutReg(info, IOCR, (u16)((usc_InReg(info, IOCR) & 0xfff8) | 0x0004));  in usc_enable_loopback()
5173 		info->loopback_bits = 0x300;  in usc_enable_loopback()
5174 		outw( 0x0300, info->io_base + CCAR );  in usc_enable_loopback()
5177 		usc_OutReg(info,IOCR,usc_InReg(info,IOCR) & ~(BIT7 | BIT6));  in usc_enable_loopback()
5180 		info->loopback_bits = 0;  in usc_enable_loopback()
5181 		outw( 0,info->io_base + CCAR );  in usc_enable_loopback()
5192  *	info		pointer to device extension
5198 static void usc_enable_aux_clock( struct mgsl_struct *info, u32 data_rate )  in usc_enable_aux_clock()  argument
5204 		if ( info->bus_type == MGSL_BUS_TYPE_PCI )  in usc_enable_aux_clock()
5222 		usc_OutReg( info, TC0R, Tc );  in usc_enable_aux_clock()
5230 		usc_OutReg( info, HCR, (u16)((usc_InReg( info, HCR ) & ~BIT1) | BIT0) );  in usc_enable_aux_clock()
5233 		usc_OutReg( info, IOCR, (u16)((usc_InReg(info, IOCR) & 0xfff8) | 0x0004) );  in usc_enable_aux_clock()
5236 		usc_OutReg( info, HCR, (u16)(usc_InReg( info, HCR ) & ~BIT0) );  in usc_enable_aux_clock()
5251  *	info		pointer to device extension
5255 static void usc_process_rxoverrun_sync( struct mgsl_struct *info )  in usc_process_rxoverrun_sync()  argument
5264 	DMABUFFERENTRY *buffer_list = info->rx_buffer_list;  in usc_process_rxoverrun_sync()
5267 	usc_DmaCmd( info, DmaCmd_PauseRxChannel );  in usc_process_rxoverrun_sync()
5268 	usc_RCmd( info, RCmd_EnterHuntmode );  in usc_process_rxoverrun_sync()
5269 	usc_RTCmd( info, RTCmd_PurgeRxFifo );  in usc_process_rxoverrun_sync()
5274 	frame_start_index = start_index = end_index = info->current_rx_buffer;  in usc_process_rxoverrun_sync()
5307   		if ( end_index == info->rx_buffer_count )  in usc_process_rxoverrun_sync()
5315 			mgsl_reset_rx_dma_buffers( info );  in usc_process_rxoverrun_sync()
5336 			*((unsigned long *)&(info->rx_buffer_list[start_index++].count)) = DMABUFFERSIZE;  in usc_process_rxoverrun_sync()
5339   			if ( start_index == info->rx_buffer_count )  in usc_process_rxoverrun_sync()
5349 		usc_UnlatchRxstatusBits(info,RXSTATUS_ALL);  in usc_process_rxoverrun_sync()
5350 		usc_ClearIrqPendingBits(info, RECEIVE_DATA|RECEIVE_STATUS);  in usc_process_rxoverrun_sync()
5351 		usc_UnlatchRxstatusBits(info, RECEIVE_DATA|RECEIVE_STATUS);  in usc_process_rxoverrun_sync()
5353 		usc_EnableReceiver(info,DISABLE_UNCONDITIONAL);  in usc_process_rxoverrun_sync()
5356 		usc_OutReg( info, CCSR, (u16)(usc_InReg(info,CCSR) | BIT13) );  in usc_process_rxoverrun_sync()
5359 		phys_addr = info->rx_buffer_list[frame_start_index].phys_entry;  in usc_process_rxoverrun_sync()
5360 		usc_OutDmaReg( info, NRARL, (u16)phys_addr );  in usc_process_rxoverrun_sync()
5361 		usc_OutDmaReg( info, NRARU, (u16)(phys_addr >> 16) );  in usc_process_rxoverrun_sync()
5363 		usc_UnlatchRxstatusBits( info, RXSTATUS_ALL );  in usc_process_rxoverrun_sync()
5364 		usc_ClearIrqPendingBits( info, RECEIVE_DATA | RECEIVE_STATUS );  in usc_process_rxoverrun_sync()
5365 		usc_EnableInterrupts( info, RECEIVE_STATUS );  in usc_process_rxoverrun_sync()
5370 		usc_OutDmaReg( info, RDIAR, BIT3 | BIT2 );  in usc_process_rxoverrun_sync()
5371 		usc_OutDmaReg( info, DICR, (u16)(usc_InDmaReg(info,DICR) | BIT1) );  in usc_process_rxoverrun_sync()
5372 		usc_DmaCmd( info, DmaCmd_InitRxChannel );  in usc_process_rxoverrun_sync()
5373 		if ( info->params.flags & HDLC_FLAG_AUTO_DCD )  in usc_process_rxoverrun_sync()
5374 			usc_EnableReceiver(info,ENABLE_AUTO_DCD);  in usc_process_rxoverrun_sync()
5376 			usc_EnableReceiver(info,ENABLE_UNCONDITIONAL);  in usc_process_rxoverrun_sync()
5381 		usc_OutReg( info, CCSR, (u16)(usc_InReg(info,CCSR) | BIT13) );  in usc_process_rxoverrun_sync()
5382 		usc_RTCmd( info, RTCmd_PurgeRxFifo );  in usc_process_rxoverrun_sync()
5391  * Arguments:		info	pointer to device instance data
5394 static void usc_stop_receiver( struct mgsl_struct *info )  in usc_stop_receiver()  argument
5398 			 __FILE__,__LINE__, info->device_name );  in usc_stop_receiver()
5402 	usc_DmaCmd( info, DmaCmd_ResetRxChannel );  in usc_stop_receiver()
5404 	usc_UnlatchRxstatusBits( info, RXSTATUS_ALL );  in usc_stop_receiver()
5405 	usc_ClearIrqPendingBits( info, RECEIVE_DATA | RECEIVE_STATUS );  in usc_stop_receiver()
5406 	usc_DisableInterrupts( info, RECEIVE_DATA | RECEIVE_STATUS );  in usc_stop_receiver()
5408 	usc_EnableReceiver(info,DISABLE_UNCONDITIONAL);  in usc_stop_receiver()
5411 	usc_OutReg( info, CCSR, (u16)(usc_InReg(info,CCSR) | BIT13) );  in usc_stop_receiver()
5412 	usc_RTCmd( info, RTCmd_PurgeRxFifo );  in usc_stop_receiver()
5414 	info->rx_enabled = false;  in usc_stop_receiver()
5415 	info->rx_overflow = false;  in usc_stop_receiver()
5416 	info->rx_rcc_underrun = false;  in usc_stop_receiver()
5424  * Arguments:		info	pointer to device instance data
5427 static void usc_start_receiver( struct mgsl_struct *info )  in usc_start_receiver()  argument
5433 			 __FILE__,__LINE__, info->device_name );  in usc_start_receiver()
5435 	mgsl_reset_rx_dma_buffers( info );  in usc_start_receiver()
5436 	usc_stop_receiver( info );  in usc_start_receiver()
5438 	usc_OutReg( info, CCSR, (u16)(usc_InReg(info,CCSR) | BIT13) );  in usc_start_receiver()
5439 	usc_RTCmd( info, RTCmd_PurgeRxFifo );  in usc_start_receiver()
5441 	if ( info->params.mode == MGSL_MODE_HDLC ||  in usc_start_receiver()
5442 		info->params.mode == MGSL_MODE_RAW ) {  in usc_start_receiver()
5448 		phys_addr = info->rx_buffer_list[0].phys_entry;  in usc_start_receiver()
5449 		usc_OutDmaReg( info, NRARL, (u16)phys_addr );  in usc_start_receiver()
5450 		usc_OutDmaReg( info, NRARU, (u16)(phys_addr >> 16) );  in usc_start_receiver()
5452 		usc_UnlatchRxstatusBits( info, RXSTATUS_ALL );  in usc_start_receiver()
5453 		usc_ClearIrqPendingBits( info, RECEIVE_DATA | RECEIVE_STATUS );  in usc_start_receiver()
5454 		usc_EnableInterrupts( info, RECEIVE_STATUS );  in usc_start_receiver()
5459 		usc_OutDmaReg( info, RDIAR, BIT3 | BIT2 );  in usc_start_receiver()
5460 		usc_OutDmaReg( info, DICR, (u16)(usc_InDmaReg(info,DICR) | BIT1) );  in usc_start_receiver()
5461 		usc_DmaCmd( info, DmaCmd_InitRxChannel );  in usc_start_receiver()
5462 		if ( info->params.flags & HDLC_FLAG_AUTO_DCD )  in usc_start_receiver()
5463 			usc_EnableReceiver(info,ENABLE_AUTO_DCD);  in usc_start_receiver()
5465 			usc_EnableReceiver(info,ENABLE_UNCONDITIONAL);  in usc_start_receiver()
5467 		usc_UnlatchRxstatusBits(info, RXSTATUS_ALL);  in usc_start_receiver()
5468 		usc_ClearIrqPendingBits(info, RECEIVE_DATA | RECEIVE_STATUS);  in usc_start_receiver()
5469 		usc_EnableInterrupts(info, RECEIVE_DATA);  in usc_start_receiver()
5471 		usc_RTCmd( info, RTCmd_PurgeRxFifo );  in usc_start_receiver()
5472 		usc_RCmd( info, RCmd_EnterHuntmode );  in usc_start_receiver()
5474 		usc_EnableReceiver(info,ENABLE_UNCONDITIONAL);  in usc_start_receiver()
5477 	usc_OutReg( info, CCSR, 0x1020 );  in usc_start_receiver()
5479 	info->rx_enabled = true;  in usc_start_receiver()
5488  * Arguments:		info	pointer to device instance data
5491 static void usc_start_transmitter( struct mgsl_struct *info )  in usc_start_transmitter()  argument
5498 			 __FILE__,__LINE__, info->device_name );  in usc_start_transmitter()
5500 	if ( info->xmit_cnt ) {  in usc_start_transmitter()
5506 		info->drop_rts_on_tx_done = false;  in usc_start_transmitter()
5508 		if ( info->params.flags & HDLC_FLAG_AUTO_RTS ) {  in usc_start_transmitter()
5509 			usc_get_serial_signals( info );  in usc_start_transmitter()
5510 			if ( !(info->serial_signals & SerialSignal_RTS) ) {  in usc_start_transmitter()
5511 				info->serial_signals |= SerialSignal_RTS;  in usc_start_transmitter()
5512 				usc_set_serial_signals( info );  in usc_start_transmitter()
5513 				info->drop_rts_on_tx_done = true;  in usc_start_transmitter()
5518 		if ( info->params.mode == MGSL_MODE_ASYNC ) {  in usc_start_transmitter()
5519 			if ( !info->tx_active ) {  in usc_start_transmitter()
5520 				usc_UnlatchTxstatusBits(info, TXSTATUS_ALL);  in usc_start_transmitter()
5521 				usc_ClearIrqPendingBits(info, TRANSMIT_STATUS + TRANSMIT_DATA);  in usc_start_transmitter()
5522 				usc_EnableInterrupts(info, TRANSMIT_DATA);  in usc_start_transmitter()
5523 				usc_load_txfifo(info);  in usc_start_transmitter()
5527 			usc_DmaCmd( info, DmaCmd_ResetTxChannel );  in usc_start_transmitter()
5532 			FrameSize = info->tx_buffer_list[info->start_tx_dma_buffer].rcc;  in usc_start_transmitter()
5538 	    		if ( info->params.mode == MGSL_MODE_RAW )  in usc_start_transmitter()
5539 				info->tx_buffer_list[info->start_tx_dma_buffer].rcc = 0;  in usc_start_transmitter()
5543 			usc_OutReg( info, TCLR, (u16)FrameSize );  in usc_start_transmitter()
5545 			usc_RTCmd( info, RTCmd_PurgeTxFifo );  in usc_start_transmitter()
5548 			phys_addr = info->tx_buffer_list[info->start_tx_dma_buffer].phys_entry;  in usc_start_transmitter()
5549 			usc_OutDmaReg( info, NTARL, (u16)phys_addr );  in usc_start_transmitter()
5550 			usc_OutDmaReg( info, NTARU, (u16)(phys_addr >> 16) );  in usc_start_transmitter()
5552 			usc_UnlatchTxstatusBits( info, TXSTATUS_ALL );  in usc_start_transmitter()
5553 			usc_ClearIrqPendingBits( info, TRANSMIT_STATUS );  in usc_start_transmitter()
5554 			usc_EnableInterrupts( info, TRANSMIT_STATUS );  in usc_start_transmitter()
5556 			if ( info->params.mode == MGSL_MODE_RAW &&  in usc_start_transmitter()
5557 					info->num_tx_dma_buffers > 1 ) {  in usc_start_transmitter()
5565 			   usc_OutDmaReg( info, TDIAR, BIT2|BIT3 );  in usc_start_transmitter()
5566 			   usc_OutDmaReg( info, DICR, (u16)(usc_InDmaReg(info,DICR) | BIT0) );  in usc_start_transmitter()
5570 			usc_DmaCmd( info, DmaCmd_InitTxChannel );  in usc_start_transmitter()
5572 			usc_TCmd( info, TCmd_SendFrame );  in usc_start_transmitter()
5574 			mod_timer(&info->tx_timer, jiffies +  in usc_start_transmitter()
5577 		info->tx_active = true;  in usc_start_transmitter()
5580 	if ( !info->tx_enabled ) {  in usc_start_transmitter()
5581 		info->tx_enabled = true;  in usc_start_transmitter()
5582 		if ( info->params.flags & HDLC_FLAG_AUTO_CTS )  in usc_start_transmitter()
5583 			usc_EnableTransmitter(info,ENABLE_AUTO_CTS);  in usc_start_transmitter()
5585 			usc_EnableTransmitter(info,ENABLE_UNCONDITIONAL);  in usc_start_transmitter()
5594  * Arguments:		info	pointer to device isntance data
5597 static void usc_stop_transmitter( struct mgsl_struct *info )  in usc_stop_transmitter()  argument
5601 			 __FILE__,__LINE__, info->device_name );  in usc_stop_transmitter()
5603 	del_timer(&info->tx_timer);	  in usc_stop_transmitter()
5605 	usc_UnlatchTxstatusBits( info, TXSTATUS_ALL );  in usc_stop_transmitter()
5606 	usc_ClearIrqPendingBits( info, TRANSMIT_STATUS + TRANSMIT_DATA );  in usc_stop_transmitter()
5607 	usc_DisableInterrupts( info, TRANSMIT_STATUS + TRANSMIT_DATA );  in usc_stop_transmitter()
5609 	usc_EnableTransmitter(info,DISABLE_UNCONDITIONAL);  in usc_stop_transmitter()
5610 	usc_DmaCmd( info, DmaCmd_ResetTxChannel );  in usc_stop_transmitter()
5611 	usc_RTCmd( info, RTCmd_PurgeTxFifo );  in usc_stop_transmitter()
5613 	info->tx_enabled = false;  in usc_stop_transmitter()
5614 	info->tx_active = false;  in usc_stop_transmitter()
5623  * Arguments:		info	pointer to device extension (instance data)
5626 static void usc_load_txfifo( struct mgsl_struct *info )  in usc_load_txfifo()  argument
5631 	if ( !info->xmit_cnt && !info->x_char )  in usc_load_txfifo()
5635 	usc_TCmd( info, TCmd_SelectTicrTxFifostatus );  in usc_load_txfifo()
5639 	while( (Fifocount = usc_InReg(info, TICR) >> 8) && info->xmit_cnt ) {  in usc_load_txfifo()
5643 		if ( (info->xmit_cnt > 1) && (Fifocount > 1) && !info->x_char ) {  in usc_load_txfifo()
5646 			TwoBytes[0] = info->xmit_buf[info->xmit_tail++];  in usc_load_txfifo()
5647 			info->xmit_tail = info->xmit_tail & (SERIAL_XMIT_SIZE-1);  in usc_load_txfifo()
5648 			TwoBytes[1] = info->xmit_buf[info->xmit_tail++];  in usc_load_txfifo()
5649 			info->xmit_tail = info->xmit_tail & (SERIAL_XMIT_SIZE-1);  in usc_load_txfifo()
5651 			outw( *((u16 *)TwoBytes), info->io_base + DATAREG);  in usc_load_txfifo()
5653 			info->xmit_cnt -= 2;  in usc_load_txfifo()
5654 			info->icount.tx += 2;  in usc_load_txfifo()
5658 			outw( (inw( info->io_base + CCAR) & 0x0780) | (TDR+LSBONLY),  in usc_load_txfifo()
5659 				info->io_base + CCAR );  in usc_load_txfifo()
5661 			if (info->x_char) {  in usc_load_txfifo()
5663 				outw( info->x_char,info->io_base + CCAR );  in usc_load_txfifo()
5664 				info->x_char = 0;  in usc_load_txfifo()
5666 				outw( info->xmit_buf[info->xmit_tail++],info->io_base + CCAR );  in usc_load_txfifo()
5667 				info->xmit_tail = info->xmit_tail & (SERIAL_XMIT_SIZE-1);  in usc_load_txfifo()
5668 				info->xmit_cnt--;  in usc_load_txfifo()
5670 			info->icount.tx++;  in usc_load_txfifo()
5680  * Arguments:		info	pointer to device instance data
5683 static void usc_reset( struct mgsl_struct *info )  in usc_reset()  argument
5685 	if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {  in usc_reset()
5692 		volatile u32 *MiscCtrl = (u32 *)(info->lcr_base + 0x50);  in usc_reset()
5693 		u32 *LCR0BRDR = (u32 *)(info->lcr_base + 0x28);  in usc_reset()
5695 		info->misc_ctrl_value |= BIT30;  in usc_reset()
5696 		*MiscCtrl = info->misc_ctrl_value;  in usc_reset()
5706 		info->misc_ctrl_value &= ~BIT30;  in usc_reset()
5707 		*MiscCtrl = info->misc_ctrl_value;  in usc_reset()
5721 		outb( 0,info->io_base + 8 );  in usc_reset()
5724 	info->mbre_bit = 0;  in usc_reset()
5725 	info->loopback_bits = 0;  in usc_reset()
5726 	info->usc_idle_mode = 0;  in usc_reset()
5745 	outw( 0x000c,info->io_base + SDPIN );  in usc_reset()
5748 	outw( 0,info->io_base );  in usc_reset()
5749 	outw( 0,info->io_base + CCAR );  in usc_reset()
5752 	usc_RTCmd( info, RTCmd_SelectLittleEndian );  in usc_reset()
5769 	usc_OutReg( info, PCR, 0xf0f5 );  in usc_reset()
5786 	usc_OutReg( info, IOCR, 0x0004 );  in usc_reset()
5794  * Arguments:		info		pointer to device instance data
5797 static void usc_set_async_mode( struct mgsl_struct *info )  in usc_set_async_mode()  argument
5802 	usc_DisableMasterIrqBit( info );  in usc_set_async_mode()
5804 	outw( 0, info->io_base ); 			/* clear Master Bus Enable (DCAR) */  in usc_set_async_mode()
5805 	usc_DmaCmd( info, DmaCmd_ResetAllChannels );	/* disable both DMA channels */  in usc_set_async_mode()
5807 	usc_loopback_frame( info );  in usc_set_async_mode()
5822 	if ( info->params.stop_bits != 1 )  in usc_set_async_mode()
5824 	usc_OutReg( info, CMR, RegValue );  in usc_set_async_mode()
5841 	if ( info->params.data_bits != 8 )  in usc_set_async_mode()
5844 	if ( info->params.parity != ASYNC_PARITY_NONE ) {  in usc_set_async_mode()
5846 		if ( info->params.parity != ASYNC_PARITY_ODD )  in usc_set_async_mode()
5850 	usc_OutReg( info, RMR, RegValue );  in usc_set_async_mode()
5855 	usc_RCmd( info, RCmd_SelectRicrIntLevel );  in usc_set_async_mode()
5878 	usc_OutReg( info, RICR, 0x0000 );  in usc_set_async_mode()
5880 	usc_UnlatchRxstatusBits( info, RXSTATUS_ALL );  in usc_set_async_mode()
5881 	usc_ClearIrqPendingBits( info, RECEIVE_STATUS );  in usc_set_async_mode()
5898 	if ( info->params.data_bits != 8 )  in usc_set_async_mode()
5901 	if ( info->params.parity != ASYNC_PARITY_NONE ) {  in usc_set_async_mode()
5903 		if ( info->params.parity != ASYNC_PARITY_ODD )  in usc_set_async_mode()
5907 	usc_OutReg( info, TMR, RegValue );  in usc_set_async_mode()
5909 	usc_set_txidle( info );  in usc_set_async_mode()
5914 	usc_TCmd( info, TCmd_SelectTicrIntLevel );  in usc_set_async_mode()
5932 	usc_OutReg( info, TICR, 0x1f40 );  in usc_set_async_mode()
5934 	usc_UnlatchTxstatusBits( info, TXSTATUS_ALL );  in usc_set_async_mode()
5935 	usc_ClearIrqPendingBits( info, TRANSMIT_STATUS );  in usc_set_async_mode()
5937 	usc_enable_async_clock( info, info->params.data_rate );  in usc_set_async_mode()
5958 	usc_OutReg( info, CCSR, 0x0020 );  in usc_set_async_mode()
5960 	usc_DisableInterrupts( info, TRANSMIT_STATUS + TRANSMIT_DATA +  in usc_set_async_mode()
5963 	usc_ClearIrqPendingBits( info, TRANSMIT_STATUS + TRANSMIT_DATA +  in usc_set_async_mode()
5966 	usc_EnableMasterIrqBit( info );  in usc_set_async_mode()
5968 	if (info->params.loopback) {  in usc_set_async_mode()
5969 		info->loopback_bits = 0x300;  in usc_set_async_mode()
5970 		outw(0x0300, info->io_base + CCAR);  in usc_set_async_mode()
5979  *	clear any 'stale' status info left over from running in	async mode.
5986  * Arguments:		info		pointer to device instance data
5989 static void usc_loopback_frame( struct mgsl_struct *info )  in usc_loopback_frame()  argument
5992 	unsigned long oldmode = info->params.mode;  in usc_loopback_frame()
5994 	info->params.mode = MGSL_MODE_HDLC;  in usc_loopback_frame()
5996 	usc_DisableMasterIrqBit( info );  in usc_loopback_frame()
5998 	usc_set_sdlc_mode( info );  in usc_loopback_frame()
5999 	usc_enable_loopback( info, 1 );  in usc_loopback_frame()
6002 	usc_OutReg( info, TC0R, 0 );  in usc_loopback_frame()
6018 	usc_OutReg( info, CCR, 0x0100 );  in usc_loopback_frame()
6021 	usc_RTCmd( info, RTCmd_PurgeRxFifo );  in usc_loopback_frame()
6022 	usc_EnableReceiver(info,ENABLE_UNCONDITIONAL);  in usc_loopback_frame()
6027 	usc_OutReg( info, TCLR, 2 );  in usc_loopback_frame()
6028 	usc_RTCmd( info, RTCmd_PurgeTxFifo );  in usc_loopback_frame()
6031 	usc_UnlatchTxstatusBits(info,TXSTATUS_ALL);  in usc_loopback_frame()
6032 	outw(0,info->io_base + DATAREG);  in usc_loopback_frame()
6035 	usc_TCmd( info, TCmd_SendFrame );  in usc_loopback_frame()
6036 	usc_EnableTransmitter(info,ENABLE_UNCONDITIONAL);  in usc_loopback_frame()
6040 		if (usc_InReg( info, RCSR ) & (BIT8 | BIT4 | BIT3 | BIT1))  in usc_loopback_frame()
6044 	usc_enable_loopback(info, 0);  in usc_loopback_frame()
6046 	usc_EnableMasterIrqBit(info);  in usc_loopback_frame()
6048 	info->params.mode = oldmode;  in usc_loopback_frame()
6054  * Arguments:		info	pointer to adapter info structure
6057 static void usc_set_sync_mode( struct mgsl_struct *info )  in usc_set_sync_mode()  argument
6059 	usc_loopback_frame( info );  in usc_set_sync_mode()
6060 	usc_set_sdlc_mode( info );  in usc_set_sync_mode()
6062 	usc_enable_aux_clock(info, info->params.clock_speed);  in usc_set_sync_mode()
6064 	if (info->params.loopback)  in usc_set_sync_mode()
6065 		usc_enable_loopback(info,1);  in usc_set_sync_mode()
6071  * Arguments:		info	pointer to device instance data
6074 static void usc_set_txidle( struct mgsl_struct *info )  in usc_set_txidle()  argument
6080 	switch( info->idle_mode ){  in usc_set_txidle()
6090 	info->usc_idle_mode = usc_idle_mode;  in usc_set_txidle()
6091 	//usc_OutReg(info, TCSR, usc_idle_mode);  in usc_set_txidle()
6092 	info->tcsr_value &= ~IDLEMODE_MASK;	/* clear idle mode bits */  in usc_set_txidle()
6093 	info->tcsr_value += usc_idle_mode;  in usc_set_txidle()
6094 	usc_OutReg(info, TCSR, info->tcsr_value);  in usc_set_txidle()
6103 	if ( info->params.mode == MGSL_MODE_RAW ) {  in usc_set_txidle()
6105 		switch( info->idle_mode ) {  in usc_set_txidle()
6125 		usc_SetTransmitSyncChars(info,syncpat,syncpat);  in usc_set_txidle()
6134  * Arguments:		info	pointer to device instance data
6137 static void usc_get_serial_signals( struct mgsl_struct *info )  in usc_get_serial_signals()  argument
6142 	info->serial_signals &= SerialSignal_RTS | SerialSignal_DTR;  in usc_get_serial_signals()
6147 	status = usc_InReg( info, MISR );  in usc_get_serial_signals()
6152 		info->serial_signals |= SerialSignal_CTS;  in usc_get_serial_signals()
6155 		info->serial_signals |= SerialSignal_DCD;  in usc_get_serial_signals()
6158 		info->serial_signals |= SerialSignal_RI;  in usc_get_serial_signals()
6161 		info->serial_signals |= SerialSignal_DSR;  in usc_get_serial_signals()
6170  * Arguments:		info	pointer to device instance data
6173 static void usc_set_serial_signals( struct mgsl_struct *info )  in usc_set_serial_signals()  argument
6176 	unsigned char V24Out = info->serial_signals;  in usc_set_serial_signals()
6180 	Control = usc_InReg( info, PCR );  in usc_set_serial_signals()
6192 	usc_OutReg( info, PCR, Control );  in usc_set_serial_signals()
6200  * Arguments:		info		pointer to device instance data
6205 static void usc_enable_async_clock( struct mgsl_struct *info, u32 data_rate )  in usc_enable_async_clock()  argument
6222 		usc_OutReg( info, CMCR, 0x0f64 );  in usc_enable_async_clock()
6231 		if ( info->bus_type == MGSL_BUS_TYPE_PCI )  in usc_enable_async_clock()
6232 			usc_OutReg( info, TC0R, (u16)((691200/data_rate) - 1) );  in usc_enable_async_clock()
6234 			usc_OutReg( info, TC0R, (u16)((921600/data_rate) - 1) );  in usc_enable_async_clock()
6243 		usc_OutReg( info, HCR,  in usc_enable_async_clock()
6244 			    (u16)((usc_InReg( info, HCR ) & ~BIT1) | BIT0) );  in usc_enable_async_clock()
6249 		usc_OutReg( info, IOCR,  in usc_enable_async_clock()
6250 			    (u16)((usc_InReg(info, IOCR) & 0xfff8) | 0x0004) );  in usc_enable_async_clock()
6253 		usc_OutReg( info, HCR, (u16)(usc_InReg( info, HCR ) & ~BIT0) );  in usc_enable_async_clock()
6312  * Arguments:		info	pointer to device instance data
6315 static void mgsl_reset_tx_dma_buffers( struct mgsl_struct *info )  in mgsl_reset_tx_dma_buffers()  argument
6319 	for ( i = 0; i < info->tx_buffer_count; i++ ) {  in mgsl_reset_tx_dma_buffers()
6320 		*((unsigned long *)&(info->tx_buffer_list[i].count)) = 0;  in mgsl_reset_tx_dma_buffers()
6323 	info->current_tx_buffer = 0;  in mgsl_reset_tx_dma_buffers()
6324 	info->start_tx_dma_buffer = 0;  in mgsl_reset_tx_dma_buffers()
6325 	info->tx_dma_buffers_used = 0;  in mgsl_reset_tx_dma_buffers()
6327 	info->get_tx_holding_index = 0;  in mgsl_reset_tx_dma_buffers()
6328 	info->put_tx_holding_index = 0;  in mgsl_reset_tx_dma_buffers()
6329 	info->tx_holding_count = 0;  in mgsl_reset_tx_dma_buffers()
6338  * Arguments:		info	pointer to device instance data
6341 static int num_free_tx_dma_buffers(struct mgsl_struct *info)  in num_free_tx_dma_buffers()  argument
6343 	return info->tx_buffer_count - info->tx_dma_buffers_used;  in num_free_tx_dma_buffers()
6353  * Arguments:		info	pointer to device instance data
6356 static void mgsl_reset_rx_dma_buffers( struct mgsl_struct *info )  in mgsl_reset_rx_dma_buffers()  argument
6360 	for ( i = 0; i < info->rx_buffer_count; i++ ) {  in mgsl_reset_rx_dma_buffers()
6361 		*((unsigned long *)&(info->rx_buffer_list[i].count)) = DMABUFFERSIZE;  in mgsl_reset_rx_dma_buffers()
6362 //		info->rx_buffer_list[i].count = DMABUFFERSIZE;  in mgsl_reset_rx_dma_buffers()
6363 //		info->rx_buffer_list[i].status = 0;  in mgsl_reset_rx_dma_buffers()
6366 	info->current_rx_buffer = 0;  in mgsl_reset_rx_dma_buffers()
6378  * 	info			pointer to device instance data
6384 static void mgsl_free_rx_frame_buffers( struct mgsl_struct *info, unsigned int StartIndex, unsigned…  in mgsl_free_rx_frame_buffers()  argument
6396 		pBufEntry = &(info->rx_buffer_list[Index]);  in mgsl_free_rx_frame_buffers()
6410 		if ( Index == info->rx_buffer_count )  in mgsl_free_rx_frame_buffers()
6415 	info->current_rx_buffer = Index;  in mgsl_free_rx_frame_buffers()
6424  * Arguments:	 	info	pointer to device extension
6427 static bool mgsl_get_rx_frame(struct mgsl_struct *info)  in mgsl_get_rx_frame()  argument
6435 	struct tty_struct *tty = info->port.tty;  in mgsl_get_rx_frame()
6445 	StartIndex = EndIndex = info->current_rx_buffer;  in mgsl_get_rx_frame()
6447 	while( !info->rx_buffer_list[EndIndex].status ) {  in mgsl_get_rx_frame()
6455 		if ( info->rx_buffer_list[EndIndex].count )  in mgsl_get_rx_frame()
6460 		if ( EndIndex == info->rx_buffer_count )  in mgsl_get_rx_frame()
6470 			if ( info->rx_enabled ){  in mgsl_get_rx_frame()
6471 				spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_get_rx_frame()
6472 				usc_start_receiver(info);  in mgsl_get_rx_frame()
6473 				spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_get_rx_frame()
6482 	status = info->rx_buffer_list[EndIndex].status;  in mgsl_get_rx_frame()
6487 			info->icount.rxshort++;  in mgsl_get_rx_frame()
6489 			info->icount.rxabort++;  in mgsl_get_rx_frame()
6491 			info->icount.rxover++;  in mgsl_get_rx_frame()
6493 			info->icount.rxcrc++;  in mgsl_get_rx_frame()
6494 			if ( info->params.crc_type & HDLC_CRC_RETURN_EX )  in mgsl_get_rx_frame()
6500 			info->netdev->stats.rx_errors++;  in mgsl_get_rx_frame()
6501 			info->netdev->stats.rx_frame_errors++;  in mgsl_get_rx_frame()
6514 		framesize = RCLRVALUE - info->rx_buffer_list[EndIndex].rcc;  in mgsl_get_rx_frame()
6517 		if ( info->params.crc_type == HDLC_CRC_16_CCITT )  in mgsl_get_rx_frame()
6519 		else if ( info->params.crc_type == HDLC_CRC_32_CCITT )  in mgsl_get_rx_frame()
6525 			__FILE__,__LINE__,info->device_name,status,framesize);  in mgsl_get_rx_frame()
6528 		mgsl_trace_block(info,info->rx_buffer_list[StartIndex].virt_addr,  in mgsl_get_rx_frame()
6532 		if ( ( (info->params.crc_type & HDLC_CRC_RETURN_EX) &&  in mgsl_get_rx_frame()
6533 				((framesize+1) > info->max_frame_size) ) ||  in mgsl_get_rx_frame()
6534 			(framesize > info->max_frame_size) )  in mgsl_get_rx_frame()
6535 			info->icount.rxlong++;  in mgsl_get_rx_frame()
6540 			unsigned char *ptmp = info->intermediate_rxbuffer;  in mgsl_get_rx_frame()
6543 				info->icount.rxok++;  in mgsl_get_rx_frame()
6552 				pBufEntry = &(info->rx_buffer_list[index]);  in mgsl_get_rx_frame()
6557 				if ( ++index == info->rx_buffer_count )  in mgsl_get_rx_frame()
6561 			if ( info->params.crc_type & HDLC_CRC_RETURN_EX ) {  in mgsl_get_rx_frame()
6569 						__FILE__,__LINE__,info->device_name,  in mgsl_get_rx_frame()
6574 			if (info->netcount)  in mgsl_get_rx_frame()
6575 				hdlcdev_rx(info,info->intermediate_rxbuffer,framesize);  in mgsl_get_rx_frame()
6578 				ldisc_receive_buf(tty, info->intermediate_rxbuffer, info->flag_buf, framesize);  in mgsl_get_rx_frame()
6582 	mgsl_free_rx_frame_buffers( info, StartIndex, EndIndex );  in mgsl_get_rx_frame()
6588 	if ( info->rx_enabled && info->rx_overflow ) {  in mgsl_get_rx_frame()
6594 		if ( !info->rx_buffer_list[EndIndex].status &&  in mgsl_get_rx_frame()
6595 			info->rx_buffer_list[EndIndex].count ) {  in mgsl_get_rx_frame()
6596 			spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_get_rx_frame()
6597 			usc_start_receiver(info);  in mgsl_get_rx_frame()
6598 			spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_get_rx_frame()
6622  * Arguments:	 	info	pointer to device extension
6625 static bool mgsl_get_raw_rx_frame(struct mgsl_struct *info)  in mgsl_get_raw_rx_frame()  argument
6633 	struct tty_struct *tty = info->port.tty;  in mgsl_get_raw_rx_frame()
6650 	CurrentIndex = NextIndex = info->current_rx_buffer;  in mgsl_get_raw_rx_frame()
6652 	if ( NextIndex == info->rx_buffer_count )  in mgsl_get_raw_rx_frame()
6655 	if ( info->rx_buffer_list[CurrentIndex].status != 0 ||  in mgsl_get_raw_rx_frame()
6656 		(info->rx_buffer_list[CurrentIndex].count == 0 &&  in mgsl_get_raw_rx_frame()
6657 			info->rx_buffer_list[NextIndex].count == 0)) {  in mgsl_get_raw_rx_frame()
6665 		status = info->rx_buffer_list[CurrentIndex].status;  in mgsl_get_raw_rx_frame()
6670 				info->icount.rxshort++;  in mgsl_get_raw_rx_frame()
6672 				info->icount.rxabort++;  in mgsl_get_raw_rx_frame()
6674 				info->icount.rxover++;  in mgsl_get_raw_rx_frame()
6676 				info->icount.rxcrc++;  in mgsl_get_raw_rx_frame()
6714 				if ( info->rx_buffer_list[CurrentIndex].rcc )  in mgsl_get_raw_rx_frame()
6715 					framesize = RCLRVALUE - info->rx_buffer_list[CurrentIndex].rcc;  in mgsl_get_raw_rx_frame()
6736 				__FILE__,__LINE__,info->device_name,status,framesize);  in mgsl_get_raw_rx_frame()
6739 			mgsl_trace_block(info,info->rx_buffer_list[CurrentIndex].virt_addr,  in mgsl_get_raw_rx_frame()
6746 			pBufEntry = &(info->rx_buffer_list[CurrentIndex]);  in mgsl_get_raw_rx_frame()
6747 			memcpy( info->intermediate_rxbuffer, pBufEntry->virt_addr, framesize);  in mgsl_get_raw_rx_frame()
6748 			info->icount.rxok++;  in mgsl_get_raw_rx_frame()
6750 			ldisc_receive_buf(tty, info->intermediate_rxbuffer, info->flag_buf, framesize);  in mgsl_get_raw_rx_frame()
6754 		mgsl_free_rx_frame_buffers( info, CurrentIndex, CurrentIndex );  in mgsl_get_raw_rx_frame()
6760 	if ( info->rx_enabled && info->rx_overflow ) {  in mgsl_get_raw_rx_frame()
6766 		if ( !info->rx_buffer_list[CurrentIndex].status &&  in mgsl_get_raw_rx_frame()
6767 			info->rx_buffer_list[CurrentIndex].count ) {  in mgsl_get_raw_rx_frame()
6768 			spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_get_raw_rx_frame()
6769 			usc_start_receiver(info);  in mgsl_get_raw_rx_frame()
6770 			spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_get_raw_rx_frame()
6784  * 	info		pointer to device extension
6790 static void mgsl_load_tx_dma_buffer(struct mgsl_struct *info,  in mgsl_load_tx_dma_buffer()  argument
6798 		mgsl_trace_block(info,Buffer, min_t(int, BufferSize, DMABUFFERSIZE), 1);  in mgsl_load_tx_dma_buffer()
6800 	if (info->params.flags & HDLC_FLAG_HDLC_LOOPMODE) {  in mgsl_load_tx_dma_buffer()
6804 	 	info->cmr_value |= BIT13;  in mgsl_load_tx_dma_buffer()
6811 	i = info->current_tx_buffer;  in mgsl_load_tx_dma_buffer()
6812 	info->start_tx_dma_buffer = i;  in mgsl_load_tx_dma_buffer()
6817 	info->tx_buffer_list[i].status = info->cmr_value & 0xf000;  in mgsl_load_tx_dma_buffer()
6818 	info->tx_buffer_list[i].rcc    = BufferSize;  in mgsl_load_tx_dma_buffer()
6819 	info->tx_buffer_list[i].count  = BufferSize;  in mgsl_load_tx_dma_buffer()
6826 		pBufEntry = &info->tx_buffer_list[i++];  in mgsl_load_tx_dma_buffer()
6828 		if ( i == info->tx_buffer_count )  in mgsl_load_tx_dma_buffer()
6840 		if ( info->bus_type == MGSL_BUS_TYPE_PCI )  in mgsl_load_tx_dma_buffer()
6851 		++info->tx_dma_buffers_used;  in mgsl_load_tx_dma_buffer()
6855 	info->current_tx_buffer = i;  in mgsl_load_tx_dma_buffer()
6864  * Arguments:		info	pointer to device instance data
6867 static bool mgsl_register_test( struct mgsl_struct *info )  in mgsl_register_test()  argument
6876 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_register_test()
6877 	usc_reset(info);  in mgsl_register_test()
6881 	if ( (usc_InReg( info, SICR ) != 0) ||  in mgsl_register_test()
6882 		  (usc_InReg( info, IVR  ) != 0) ||  in mgsl_register_test()
6883 		  (usc_InDmaReg( info, DIVR ) != 0) ){  in mgsl_register_test()
6892 			usc_OutReg( info, TC0R, BitPatterns[i] );  in mgsl_register_test()
6893 			usc_OutReg( info, TC1R, BitPatterns[(i+1)%Patterncount] );  in mgsl_register_test()
6894 			usc_OutReg( info, TCLR, BitPatterns[(i+2)%Patterncount] );  in mgsl_register_test()
6895 			usc_OutReg( info, RCLR, BitPatterns[(i+3)%Patterncount] );  in mgsl_register_test()
6896 			usc_OutReg( info, RSR,  BitPatterns[(i+4)%Patterncount] );  in mgsl_register_test()
6897 			usc_OutDmaReg( info, TBCR, BitPatterns[(i+5)%Patterncount] );  in mgsl_register_test()
6899 			if ( (usc_InReg( info, TC0R ) != BitPatterns[i]) ||  in mgsl_register_test()
6900 				  (usc_InReg( info, TC1R ) != BitPatterns[(i+1)%Patterncount]) ||  in mgsl_register_test()
6901 				  (usc_InReg( info, TCLR ) != BitPatterns[(i+2)%Patterncount]) ||  in mgsl_register_test()
6902 				  (usc_InReg( info, RCLR ) != BitPatterns[(i+3)%Patterncount]) ||  in mgsl_register_test()
6903 				  (usc_InReg( info, RSR )  != BitPatterns[(i+4)%Patterncount]) ||  in mgsl_register_test()
6904 				  (usc_InDmaReg( info, TBCR ) != BitPatterns[(i+5)%Patterncount]) ){  in mgsl_register_test()
6911 	usc_reset(info);  in mgsl_register_test()
6912 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_register_test()
6920  * Arguments:		info	pointer to device instance data
6923 static bool mgsl_irq_test( struct mgsl_struct *info )  in mgsl_irq_test()  argument
6928 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_irq_test()
6929 	usc_reset(info);  in mgsl_irq_test()
6936 	info->irq_occurred = false;  in mgsl_irq_test()
6942 	usc_OutReg( info, PCR, (unsigned short)((usc_InReg(info, PCR) | BIT13) & ~BIT12) );  in mgsl_irq_test()
6944 	usc_EnableMasterIrqBit(info);  in mgsl_irq_test()
6945 	usc_EnableInterrupts(info, IO_PIN);  in mgsl_irq_test()
6946 	usc_ClearIrqPendingBits(info, IO_PIN);  in mgsl_irq_test()
6948 	usc_UnlatchIostatusBits(info, MISCSTATUS_TXC_LATCHED);  in mgsl_irq_test()
6949 	usc_EnableStatusIrqs(info, SICR_TXC_ACTIVE + SICR_TXC_INACTIVE);  in mgsl_irq_test()
6951 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_irq_test()
6954 	while( EndTime-- && !info->irq_occurred ) {  in mgsl_irq_test()
6958 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_irq_test()
6959 	usc_reset(info);  in mgsl_irq_test()
6960 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_irq_test()
6962 	return info->irq_occurred;  in mgsl_irq_test()
6972  * Arguments:		info	pointer to device instance data
6975 static bool mgsl_dma_test( struct mgsl_struct *info )  in mgsl_dma_test()  argument
6989 	memcpy(&tmp_params,&info->params,sizeof(MGSL_PARAMS));  in mgsl_dma_test()
6991 	memcpy(&info->params,&default_params,sizeof(MGSL_PARAMS));  in mgsl_dma_test()
6995 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_dma_test()
6999 	usc_reset(info);  in mgsl_dma_test()
7000 	usc_set_sdlc_mode(info);  in mgsl_dma_test()
7001 	usc_enable_loopback(info,1);  in mgsl_dma_test()
7023 	usc_OutDmaReg( info, RDMR, 0xe200 );  in mgsl_dma_test()
7025 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_dma_test()
7035 	info->tx_buffer_list[0].count  = FrameSize;  in mgsl_dma_test()
7036 	info->tx_buffer_list[0].rcc    = FrameSize;  in mgsl_dma_test()
7037 	info->tx_buffer_list[0].status = 0x4000;  in mgsl_dma_test()
7041 	TmpPtr = info->tx_buffer_list[0].virt_addr;  in mgsl_dma_test()
7048 	info->rx_buffer_list[0].status = 0;  in mgsl_dma_test()
7049 	info->rx_buffer_list[0].count = FrameSize + 4;  in mgsl_dma_test()
7053 	memset( info->rx_buffer_list[0].virt_addr, 0, FrameSize + 4 );  in mgsl_dma_test()
7058 	info->tx_buffer_list[1].count = 0;  in mgsl_dma_test()
7059 	info->rx_buffer_list[1].count = 0;  in mgsl_dma_test()
7066 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_dma_test()
7069 	usc_RTCmd( info, RTCmd_PurgeRxFifo );  in mgsl_dma_test()
7072 	phys_addr = info->rx_buffer_list[0].phys_entry;  in mgsl_dma_test()
7073 	usc_OutDmaReg( info, NRARL, (unsigned short)phys_addr );  in mgsl_dma_test()
7074 	usc_OutDmaReg( info, NRARU, (unsigned short)(phys_addr >> 16) );  in mgsl_dma_test()
7077 	usc_InDmaReg( info, RDMR );  in mgsl_dma_test()
7078 	usc_DmaCmd( info, DmaCmd_InitRxChannel );  in mgsl_dma_test()
7081 	usc_OutReg( info, RMR, (unsigned short)((usc_InReg(info, RMR) & 0xfffc) | 0x0002) );  in mgsl_dma_test()
7083 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_dma_test()
7099 		spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_dma_test()
7100 		status = usc_InDmaReg( info, RDMR );  in mgsl_dma_test()
7101 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_dma_test()
7116 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_dma_test()
7121 	usc_OutReg( info, TCLR, (unsigned short)info->tx_buffer_list[0].count );  in mgsl_dma_test()
7122 	usc_RTCmd( info, RTCmd_PurgeTxFifo );  in mgsl_dma_test()
7126 	phys_addr = info->tx_buffer_list[0].phys_entry;  in mgsl_dma_test()
7127 	usc_OutDmaReg( info, NTARL, (unsigned short)phys_addr );  in mgsl_dma_test()
7128 	usc_OutDmaReg( info, NTARU, (unsigned short)(phys_addr >> 16) );  in mgsl_dma_test()
7132 	usc_OutReg( info, TCSR, (unsigned short)(( usc_InReg(info, TCSR) & 0x0f00) | 0xfa) );  in mgsl_dma_test()
7133 	usc_DmaCmd( info, DmaCmd_InitTxChannel );  in mgsl_dma_test()
7137 	usc_TCmd( info, TCmd_SelectTicrTxFifostatus );  in mgsl_dma_test()
7139 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_dma_test()
7155 		spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_dma_test()
7156 		FifoLevel = usc_InReg(info, TICR) >> 8;  in mgsl_dma_test()
7157 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_dma_test()
7175 		spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_dma_test()
7178 		usc_TCmd( info, TCmd_SendFrame );  in mgsl_dma_test()
7179 		usc_OutReg( info, TMR, (unsigned short)((usc_InReg(info, TMR) & 0xfffc) | 0x0002) );  in mgsl_dma_test()
7181 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_dma_test()
7193 		spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_dma_test()
7194 		status = usc_InReg( info, TCSR );  in mgsl_dma_test()
7195 		spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_dma_test()
7203 			spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_dma_test()
7204 			status = usc_InReg( info, TCSR );  in mgsl_dma_test()
7205 			spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_dma_test()
7223 		status=info->rx_buffer_list[0].status;  in mgsl_dma_test()
7229 			status=info->rx_buffer_list[0].status;  in mgsl_dma_test()
7236 		status = info->rx_buffer_list[0].status;  in mgsl_dma_test()
7242 			if ( memcmp( info->tx_buffer_list[0].virt_addr ,  in mgsl_dma_test()
7243 				info->rx_buffer_list[0].virt_addr, FrameSize ) ){  in mgsl_dma_test()
7249 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_dma_test()
7250 	usc_reset( info );  in mgsl_dma_test()
7251 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_dma_test()
7254 	memcpy(&info->params,&tmp_params,sizeof(MGSL_PARAMS));  in mgsl_dma_test()
7264  * Arguments:		info	pointer to device instance data
7267 static int mgsl_adapter_test( struct mgsl_struct *info )  in mgsl_adapter_test()  argument
7271 			__FILE__,__LINE__,info->device_name );  in mgsl_adapter_test()
7273 	if ( !mgsl_register_test( info ) ) {  in mgsl_adapter_test()
7274 		info->init_error = DiagStatus_AddressFailure;  in mgsl_adapter_test()
7276 			__FILE__,__LINE__,info->device_name, (unsigned short)(info->io_base) );  in mgsl_adapter_test()
7280 	if ( !mgsl_irq_test( info ) ) {  in mgsl_adapter_test()
7281 		info->init_error = DiagStatus_IrqFailure;  in mgsl_adapter_test()
7283 			__FILE__,__LINE__,info->device_name, (unsigned short)(info->irq_level) );  in mgsl_adapter_test()
7287 	if ( !mgsl_dma_test( info ) ) {  in mgsl_adapter_test()
7288 		info->init_error = DiagStatus_DmaFailure;  in mgsl_adapter_test()
7290 			__FILE__,__LINE__,info->device_name, (unsigned short)(info->dma_level) );  in mgsl_adapter_test()
7296 			__FILE__,__LINE__,info->device_name );  in mgsl_adapter_test()
7306  * Arguments:		info	pointer to device instance data
7309 static bool mgsl_memory_test( struct mgsl_struct *info )  in mgsl_memory_test()  argument
7318 	if ( info->bus_type != MGSL_BUS_TYPE_PCI )  in mgsl_memory_test()
7321 	TestAddr = (unsigned long *)info->memory_base;  in mgsl_memory_test()
7339 	TestAddr = (unsigned long *)info->memory_base;  in mgsl_memory_test()
7347 	memset( info->memory_base, 0, SHARED_MEM_ADDRESS_SIZE );  in mgsl_memory_test()
7412 static void mgsl_trace_block(struct mgsl_struct *info,const char* data, int count, int xmit)  in mgsl_trace_block()  argument
7417 		printk("%s tx data:\n",info->device_name);  in mgsl_trace_block()
7419 		printk("%s rx data:\n",info->device_name);  in mgsl_trace_block()
7454 	struct mgsl_struct *info = from_timer(info, t, tx_timer);  in mgsl_tx_timeout()  local
7459 			__FILE__,__LINE__,info->device_name);  in mgsl_tx_timeout()
7460 	if(info->tx_active &&  in mgsl_tx_timeout()
7461 	   (info->params.mode == MGSL_MODE_HDLC ||  in mgsl_tx_timeout()
7462 	    info->params.mode == MGSL_MODE_RAW) ) {  in mgsl_tx_timeout()
7463 		info->icount.txtimeout++;  in mgsl_tx_timeout()
7465 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_tx_timeout()
7466 	info->tx_active = false;  in mgsl_tx_timeout()
7467 	info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;  in mgsl_tx_timeout()
7469 	if ( info->params.flags & HDLC_FLAG_HDLC_LOOPMODE )  in mgsl_tx_timeout()
7470 		usc_loopmode_cancel_transmit( info );  in mgsl_tx_timeout()
7472 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_tx_timeout()
7475 	if (info->netcount)  in mgsl_tx_timeout()
7476 		hdlcdev_tx_done(info);  in mgsl_tx_timeout()
7479 		mgsl_bh_transmit(info);  in mgsl_tx_timeout()
7487 static int mgsl_loopmode_send_done( struct mgsl_struct * info )  in mgsl_loopmode_send_done()  argument
7491 	spin_lock_irqsave(&info->irq_spinlock,flags);  in mgsl_loopmode_send_done()
7492 	if (info->params.flags & HDLC_FLAG_HDLC_LOOPMODE) {  in mgsl_loopmode_send_done()
7493 		if (info->tx_active)  in mgsl_loopmode_send_done()
7494 			info->loopmode_send_done_requested = true;  in mgsl_loopmode_send_done()
7496 			usc_loopmode_send_done(info);  in mgsl_loopmode_send_done()
7498 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in mgsl_loopmode_send_done()
7506 static void usc_loopmode_send_done( struct mgsl_struct * info )  in usc_loopmode_send_done()  argument
7508  	info->loopmode_send_done_requested = false;  in usc_loopmode_send_done()
7510  	info->cmr_value &= ~BIT13;  in usc_loopmode_send_done()
7511  	usc_OutReg(info, CMR, info->cmr_value);  in usc_loopmode_send_done()
7516 static void usc_loopmode_cancel_transmit( struct mgsl_struct * info )  in usc_loopmode_cancel_transmit()  argument
7519  	usc_RTCmd( info, RTCmd_PurgeTxFifo );  in usc_loopmode_cancel_transmit()
7520  	usc_DmaCmd( info, DmaCmd_ResetTxChannel );  in usc_loopmode_cancel_transmit()
7521   	usc_loopmode_send_done( info );  in usc_loopmode_cancel_transmit()
7528 static void usc_loopmode_insert_request( struct mgsl_struct * info )  in usc_loopmode_insert_request()  argument
7530  	info->loopmode_insert_requested = true;  in usc_loopmode_insert_request()
7535  	usc_OutReg( info, RICR,   in usc_loopmode_insert_request()
7536 		(usc_InReg( info, RICR ) | RXSTATUS_ABORT_RECEIVED ) );  in usc_loopmode_insert_request()
7539 	info->cmr_value |= BIT13;  in usc_loopmode_insert_request()
7540  	usc_OutReg(info, CMR, info->cmr_value);  in usc_loopmode_insert_request()
7545 static int usc_loopmode_active( struct mgsl_struct * info)  in usc_loopmode_active()  argument
7547  	return usc_InReg( info, CCSR ) & BIT7 ? 1 : 0 ;  in usc_loopmode_active()
7565 	struct mgsl_struct *info = dev_to_port(dev);  in hdlcdev_attach()  local
7570 	if (info->port.count)  in hdlcdev_attach()
7591 	info->params.encoding = new_encoding;  in hdlcdev_attach()
7592 	info->params.crc_type = new_crctype;  in hdlcdev_attach()
7595 	if (info->netcount)  in hdlcdev_attach()
7596 		mgsl_program_hw(info);  in hdlcdev_attach()
7610 	struct mgsl_struct *info = dev_to_port(dev);  in hdlcdev_xmit()  local
7620 	info->xmit_cnt = skb->len;  in hdlcdev_xmit()
7621 	mgsl_load_tx_dma_buffer(info, skb->data, skb->len);  in hdlcdev_xmit()
7634 	spin_lock_irqsave(&info->irq_spinlock,flags);  in hdlcdev_xmit()
7635 	if (!info->tx_active)  in hdlcdev_xmit()
7636 	 	usc_start_transmitter(info);  in hdlcdev_xmit()
7637 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in hdlcdev_xmit()
7652 	struct mgsl_struct *info = dev_to_port(dev);  in hdlcdev_open()  local
7665 	spin_lock_irqsave(&info->netlock, flags);  in hdlcdev_open()
7666 	if (info->port.count != 0 || info->netcount != 0) {  in hdlcdev_open()
7668 		spin_unlock_irqrestore(&info->netlock, flags);  in hdlcdev_open()
7671 	info->netcount=1;  in hdlcdev_open()
7672 	spin_unlock_irqrestore(&info->netlock, flags);  in hdlcdev_open()
7675 	if ((rc = startup(info)) != 0) {  in hdlcdev_open()
7676 		spin_lock_irqsave(&info->netlock, flags);  in hdlcdev_open()
7677 		info->netcount=0;  in hdlcdev_open()
7678 		spin_unlock_irqrestore(&info->netlock, flags);  in hdlcdev_open()
7683 	info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR;  in hdlcdev_open()
7684 	mgsl_program_hw(info);  in hdlcdev_open()
7691 	spin_lock_irqsave(&info->irq_spinlock, flags);  in hdlcdev_open()
7692 	usc_get_serial_signals(info);  in hdlcdev_open()
7693 	spin_unlock_irqrestore(&info->irq_spinlock, flags);  in hdlcdev_open()
7694 	if (info->serial_signals & SerialSignal_DCD)  in hdlcdev_open()
7711 	struct mgsl_struct *info = dev_to_port(dev);  in hdlcdev_close()  local
7720 	shutdown(info);  in hdlcdev_close()
7724 	spin_lock_irqsave(&info->netlock, flags);  in hdlcdev_close()
7725 	info->netcount=0;  in hdlcdev_close()
7726 	spin_unlock_irqrestore(&info->netlock, flags);  in hdlcdev_close()
7745 	struct mgsl_struct *info = dev_to_port(dev);  in hdlcdev_ioctl()  local
7752 	if (info->port.count)  in hdlcdev_ioctl()
7767 		flags = info->params.flags & (HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_RXC_DPLL |  in hdlcdev_ioctl()
7781 		new_line.clock_rate = info->params.clock_speed;  in hdlcdev_ioctl()
7782 		new_line.loopback   = info->params.loopback ? 1:0;  in hdlcdev_ioctl()
7801 		case CLOCK_DEFAULT:  flags = info->params.flags &  in hdlcdev_ioctl()
7812 		info->params.flags &= ~(HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_RXC_DPLL |  in hdlcdev_ioctl()
7816 		info->params.flags |= flags;  in hdlcdev_ioctl()
7818 		info->params.loopback = new_line.loopback;  in hdlcdev_ioctl()
7821 			info->params.clock_speed = new_line.clock_rate;  in hdlcdev_ioctl()
7823 			info->params.clock_speed = 0;  in hdlcdev_ioctl()
7826 		if (info->netcount)  in hdlcdev_ioctl()
7827 			mgsl_program_hw(info);  in hdlcdev_ioctl()
7842 	struct mgsl_struct *info = dev_to_port(dev);  in hdlcdev_tx_timeout()  local
7851 	spin_lock_irqsave(&info->irq_spinlock,flags);  in hdlcdev_tx_timeout()
7852 	usc_stop_transmitter(info);  in hdlcdev_tx_timeout()
7853 	spin_unlock_irqrestore(&info->irq_spinlock,flags);  in hdlcdev_tx_timeout()
7862  * info  pointer to device instance information
7864 static void hdlcdev_tx_done(struct mgsl_struct *info)  in hdlcdev_tx_done()  argument
7866 	if (netif_queue_stopped(info->netdev))  in hdlcdev_tx_done()
7867 		netif_wake_queue(info->netdev);  in hdlcdev_tx_done()
7874  * info  pointer to device instance information
7878 static void hdlcdev_rx(struct mgsl_struct *info, char *buf, int size)  in hdlcdev_rx()  argument
7881 	struct net_device *dev = info->netdev;  in hdlcdev_rx()
7915  * info  pointer to device instance information
7919 static int hdlcdev_init(struct mgsl_struct *info)  in hdlcdev_init()  argument
7927 	dev = alloc_hdlcdev(info);  in hdlcdev_init()
7934 	dev->base_addr = info->io_base;  in hdlcdev_init()
7935 	dev->irq       = info->irq_level;  in hdlcdev_init()
7936 	dev->dma       = info->dma_level;  in hdlcdev_init()
7956 	info->netdev = dev;  in hdlcdev_init()
7964  * info  pointer to device instance information
7966 static void hdlcdev_exit(struct mgsl_struct *info)  in hdlcdev_exit()  argument
7968 	unregister_hdlc_device(info->netdev);  in hdlcdev_exit()
7969 	free_netdev(info->netdev);  in hdlcdev_exit()
7970 	info->netdev = NULL;  in hdlcdev_exit()
7979 	struct mgsl_struct *info;  in synclink_init_one()  local
7986 	info = mgsl_allocate_device();  in synclink_init_one()
7987 	if (!info) {  in synclink_init_one()
7992         /* Copy user configuration info to device instance data */  in synclink_init_one()
7994 	info->io_base = pci_resource_start(dev, 2);  in synclink_init_one()
7995 	info->irq_level = dev->irq;  in synclink_init_one()
7996 	info->phys_memory_base = pci_resource_start(dev, 3);  in synclink_init_one()
8002 	info->phys_lcr_base = pci_resource_start(dev, 0);  in synclink_init_one()
8003 	info->lcr_offset    = info->phys_lcr_base & (PAGE_SIZE-1);  in synclink_init_one()
8004 	info->phys_lcr_base &= ~(PAGE_SIZE-1);  in synclink_init_one()
8006 	info->bus_type = MGSL_BUS_TYPE_PCI;  in synclink_init_one()
8007 	info->io_addr_size = 8;  in synclink_init_one()
8008 	info->irq_flags = IRQF_SHARED;  in synclink_init_one()
8012 		info->misc_ctrl_value = 0x007c4080;  in synclink_init_one()
8013 		info->hw_version = 1;  in synclink_init_one()
8020 		info->misc_ctrl_value = 0x087e4546;  in synclink_init_one()
8021 		info->hw_version = 0;  in synclink_init_one()
8024 	mgsl_add_device(info);  in synclink_init_one()