synclink_cs.c 2.5.68

@@ -1,7 +1,7 @@
 /*
  * linux/drivers/char/pcmcia/synclink_cs.c
  *
- * $Id: synclink_cs.c,v 4.4 2002/10/10 14:53:37 paulkf Exp $
+ * $Id: synclink_cs.c,v 4.6 2003/04/21 17:46:55 paulkf Exp $
  *
  * Device driver for Microgate SyncLink PC Card
  * multiprotocol serial adapter.

@@ -442,9 +442,9 @@
 /*
  * ioctl handlers
  */
-static int set_modem_info(MGSLPC_INFO *info, unsigned int cmd,
-			  unsigned int *value);
-static int get_modem_info(MGSLPC_INFO *info, unsigned int *value);
+static int tiocmget(struct tty_struct *tty, struct file *file);
+static int tiocmset(struct tty_struct *tty, struct file *file,
+		    unsigned int set, unsigned int clear);
 static int get_stats(MGSLPC_INFO *info, struct mgsl_icount *user_icount);
 static int get_params(MGSLPC_INFO *info, MGSL_PARAMS *user_params);
 static int set_params(MGSLPC_INFO *info, MGSL_PARAMS *new_params);

@@ -496,7 +496,7 @@
 MODULE_LICENSE("GPL");
 
 static char *driver_name = "SyncLink PC Card driver";
-static char *driver_version = "$Revision: 4.4 $";
+static char *driver_version = "$Revision: 4.6 $";
 
 static struct tty_driver serial_driver, callout_driver;
 static int serial_refcount;

@@ -2326,94 +2326,56 @@
 	return rc;
 }
 
-/* Return state of the serial control/status signals
- * 	
- * Arguments:	 	info	pointer to device instance data
- * 			value	pointer to int to hold returned info
- * 	
- * Return Value:	0 if success, otherwise error code
+/* return the state of the serial control and status signals
  */
-static int get_modem_info(MGSLPC_INFO * info, unsigned int *value)
+static int tiocmget(struct tty_struct *tty, struct file *file)
 {
+	MGSLPC_INFO *info = (MGSLPC_INFO *)tty->driver_data;
 	unsigned int result;
  	unsigned long flags;
-	int err;
- 
+
 	spin_lock_irqsave(&info->lock,flags);
  	get_signals(info);
 	spin_unlock_irqrestore(&info->lock,flags);
 
-	result = ((info->serial_signals & SerialSignal_RTS) ? TIOCM_RTS:0) |
-		 ((info->serial_signals & SerialSignal_DTR) ? TIOCM_DTR:0) |
-		 ((info->serial_signals & SerialSignal_DCD) ? TIOCM_CAR:0) |
-		 ((info->serial_signals & SerialSignal_RI)  ? TIOCM_RNG:0) |
-		 ((info->serial_signals & SerialSignal_DSR) ? TIOCM_DSR:0) |
-		 ((info->serial_signals & SerialSignal_CTS) ? TIOCM_CTS:0);
+	result = ((info->serial_signals & SerialSignal_RTS) ? TIOCM_RTS:0) +
+		((info->serial_signals & SerialSignal_DTR) ? TIOCM_DTR:0) +
+		((info->serial_signals & SerialSignal_DCD) ? TIOCM_CAR:0) +
+		((info->serial_signals & SerialSignal_RI)  ? TIOCM_RNG:0) +
+		((info->serial_signals & SerialSignal_DSR) ? TIOCM_DSR:0) +
+		((info->serial_signals & SerialSignal_CTS) ? TIOCM_CTS:0);
 
 	if (debug_level >= DEBUG_LEVEL_INFO)
-		printk("mgslpc_get_modem_info %s value=%08X\n", info->device_name, result);
-			
-	PUT_USER(err,result,value);
-	return err ? -EFAULT : 0;
+		printk("%s(%d):%s tiocmget() value=%08X\n",
+			 __FILE__,__LINE__, info->device_name, result );
+	return result;
 }
 
-/* Set the state of the modem control signals (DTR/RTS)
- * 	
- * Arguments:
- * 
- * 	info	pointer to device instance data
- * 	cmd	signal command: TIOCMBIS = set bit TIOCMBIC = clear bit
- *		TIOCMSET = set/clear signal values
- * 	value	bit mask for command
- * 	
- * Return Value:	0 if success, otherwise error code
+/* set modem control signals (DTR/RTS)
  */
-static int set_modem_info(MGSLPC_INFO * info, unsigned int cmd,
-			  unsigned int *value)
+static int tiocmset(struct tty_struct *tty, struct file *file,
+		    unsigned int set, unsigned int clear)
 {
- 	int error;
- 	unsigned int arg;
+	MGSLPC_INFO *info = (MGSLPC_INFO *)tty->driver_data;
  	unsigned long flags;
- 
+
 	if (debug_level >= DEBUG_LEVEL_INFO)
-		printk("mgslpc_set_modem_info %s\n", info->device_name);
-			
- 	GET_USER(error,arg,value);
- 	if (error)
- 		return error;
-		
- 	switch (cmd) {
- 	case TIOCMBIS: 
- 		if (arg & TIOCM_RTS)
- 			info->serial_signals |= SerialSignal_RTS;
- 		if (arg & TIOCM_DTR)
- 			info->serial_signals |= SerialSignal_DTR;
- 		break;
- 	case TIOCMBIC:
- 		if (arg & TIOCM_RTS)
- 			info->serial_signals &= ~SerialSignal_RTS;
- 		if (arg & TIOCM_DTR)
- 			info->serial_signals &= ~SerialSignal_DTR;
- 		break;
- 	case TIOCMSET:
- 		if (arg & TIOCM_RTS)
- 			info->serial_signals |= SerialSignal_RTS;
-		else
- 			info->serial_signals &= ~SerialSignal_RTS;
-		
- 		if (arg & TIOCM_DTR)
- 			info->serial_signals |= SerialSignal_DTR;
-		else
- 			info->serial_signals &= ~SerialSignal_DTR;
- 		break;
- 	default:
- 		return -EINVAL;
- 	}
-	
+		printk("%s(%d):%s tiocmset(%x,%x)\n",
+			__FILE__,__LINE__,info->device_name, set, clear);
+
+	if (set & TIOCM_RTS)
+		info->serial_signals |= SerialSignal_RTS;
+	if (set & TIOCM_DTR)
+		info->serial_signals |= SerialSignal_DTR;
+	if (clear & TIOCM_RTS)
+		info->serial_signals &= ~SerialSignal_RTS;
+	if (clear & TIOCM_DTR)
+		info->serial_signals &= ~SerialSignal_DTR;
+
 	spin_lock_irqsave(&info->lock,flags);
  	set_signals(info);
 	spin_unlock_irqrestore(&info->lock,flags);
-	
+
 	return 0;
 }
 

@@ -2482,12 +2444,6 @@
 	unsigned long flags;
 	
 	switch (cmd) {
-	case TIOCMGET:
-		return get_modem_info(info, (unsigned int *) arg);
-	case TIOCMBIS:
-	case TIOCMBIC:
-	case TIOCMSET:
-		return set_modem_info(info, cmd, (unsigned int *) arg);
 	case MGSL_IOCGPARAMS:
 		return get_params(info,(MGSL_PARAMS *)arg);
 	case MGSL_IOCSPARAMS:

@@ -2687,7 +2643,6 @@
 	if (debug_level >= DEBUG_LEVEL_INFO)
 		printk("%s(%d):mgslpc_close(%s) exit, count=%d\n", __FILE__,__LINE__,
 			tty->driver.name, info->count);
-	MOD_DEC_USE_COUNT;
 }
 
 /* Wait until the transmitter is empty.

@@ -2939,8 +2894,6 @@
 		printk("%s(%d):mgslpc_open(%s), old ref count = %d\n",
 			 __FILE__,__LINE__,tty->driver.name, info->count);
 
-	MOD_INC_USE_COUNT;
-	
 	/* If port is closing, signal caller to try again */
 	if (tty_hung_up_p(filp) || info->flags & ASYNC_CLOSING){
 		if (info->flags & ASYNC_CLOSING)

@@ -2995,7 +2948,6 @@
 	
 cleanup:			
 	if (retval) {
-		MOD_DEC_USE_COUNT;
 		if(info->count)
 			info->count--;
 	}

@@ -3247,6 +3199,7 @@
 	
     memset(&serial_driver, 0, sizeof(struct tty_driver));
     serial_driver.magic = TTY_DRIVER_MAGIC;
+    serial_driver.owner = THIS_MODULE;
     serial_driver.driver_name = "synclink_cs";
     serial_driver.name = "ttySLP";
     serial_driver.major = ttymajor;

@@ -3282,6 +3235,8 @@
     serial_driver.stop = tx_pause;
     serial_driver.start = tx_release;
     serial_driver.hangup = mgslpc_hangup;
+    serial_driver.tiocmget = tiocmget;
+    serial_driver.tiocmset = tiocmset;
 	
     /*
      * The callout device is just like normal device except for

@@ -4386,7 +4341,7 @@
 {
 	MGSLPC_INFO *info = d->priv;
 	int err;
-	long flags;
+	unsigned long flags;
 
 	if (debug_level >= DEBUG_LEVEL_INFO)
 		printk("mgslpc_sppp_open(%s)\n",info->netname);	

@@ -4398,7 +4353,6 @@
 		return -EBUSY;
 	}
 	info->netcount=1;
-	MOD_INC_USE_COUNT;
 	spin_unlock_irqrestore(&info->netlock, flags);
 
 	/* claim resources and init adapter */

@@ -4421,7 +4375,6 @@
 open_fail:
 	spin_lock_irqsave(&info->netlock, flags);
 	info->netcount=0;
-	MOD_DEC_USE_COUNT;
 	spin_unlock_irqrestore(&info->netlock, flags);
 	return err;
 }

@@ -4429,7 +4382,7 @@
 void mgslpc_sppp_tx_timeout(struct net_device *dev)
 {
 	MGSLPC_INFO *info = dev->priv;
-	long flags;
+	unsigned long flags;
 
 	if (debug_level >= DEBUG_LEVEL_INFO)
 		printk("mgslpc_sppp_tx_timeout(%s)\n",info->netname);	

@@ -4491,7 +4444,6 @@
 
 	spin_lock_irqsave(&info->netlock, flags);
 	info->netcount=0;
-	MOD_DEC_USE_COUNT;
 	spin_unlock_irqrestore(&info->netlock, flags);
 	return 0;
 }