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Commit 5cd8de08 authored by Paul Fulghum's avatar Paul Fulghum Committed by Linus Torvalds
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[PATCH] synclink update 

- Remove MODULE_USE_COUNT macros
- Add owner member
- Add tiocmget/tiocmset tty callbacks
parent 719b6399
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Showing with 41 additions and 103 deletions
drivers/char/synclink.c
View file @ 5cd8de08
/*
* linux/drivers/char/synclink.c
*
* $Id: synclink.c,v 4.4 2002/10/10 14:53:36 paulkf Exp $
* $Id: synclink.c,v 4.6 2003/04/21 17:46:54 paulkf Exp $
*
* Device driver for Microgate SyncLink ISA and PCI
* high speed multiprotocol serial adapters.
......@@ -854,9 +854,9 @@ isr_dispatch_func UscIsrTable[7] =
/*
* ioctl call handlers
*/
static int set_modem_info(struct mgsl_struct * info, unsigned int cmd,
unsigned int *value);
static int get_modem_info(struct mgsl_struct * 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 mgsl_get_stats(struct mgsl_struct * info, struct mgsl_icount
*user_icount);
static int mgsl_get_params(struct mgsl_struct * info, MGSL_PARAMS *user_params);
......@@ -917,7 +917,7 @@ MODULE_PARM(txdmabufs,"1-" __MODULE_STRING(MAX_TOTAL_DEVICES) "i");
MODULE_PARM(txholdbufs,"1-" __MODULE_STRING(MAX_TOTAL_DEVICES) "i");
static char *driver_name = "SyncLink serial driver";
static char *driver_version = "$Revision: 4.4 $";
static char *driver_version = "$Revision: 4.6 $";
static int synclink_init_one (struct pci_dev *dev,
const struct pci_device_id *ent);
......@@ -2921,110 +2921,58 @@ static int modem_input_wait(struct mgsl_struct *info,int arg)
return rc;
}
/* get_modem_info()
*
* Read the state of the serial control and
* status signals and return to caller.
*
* 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(struct mgsl_struct * info, unsigned int *value)
static int tiocmget(struct tty_struct *tty, struct file *file)
{
unsigned int result = 0;
struct mgsl_struct *info = (struct mgsl_struct *)tty->driver_data;
unsigned int result;
unsigned long flags;
int err;
spin_lock_irqsave(&info->irq_spinlock,flags);
usc_get_serial_signals(info);
spin_unlock_irqrestore(&info->irq_spinlock,flags);
if (info->serial_signals & SerialSignal_RTS)
result |= TIOCM_RTS;
if (info->serial_signals & SerialSignal_DTR)
result |= TIOCM_DTR;
if (info->serial_signals & SerialSignal_DCD)
result |= TIOCM_CAR;
if (info->serial_signals & SerialSignal_RI)
result |= TIOCM_RNG;
if (info->serial_signals & SerialSignal_DSR)
result |= TIOCM_DSR;
if (info->serial_signals & SerialSignal_CTS)
result |= TIOCM_CTS;
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("%s(%d):mgsl_get_modem_info %s value=%08X\n",
printk("%s(%d):%s tiocmget() value=%08X\n",
__FILE__,__LINE__, info->device_name, result );
return result;
}
PUT_USER(err,result,value);
return err;
} /* end of get_modem_info() */
/* set_modem_info()
*
* 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(struct mgsl_struct * 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;
struct mgsl_struct *info = (struct mgsl_struct *)tty->driver_data;
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgsl_set_modem_info %s\n", __FILE__,__LINE__,
info->device_name );
GET_USER(error,arg,value);
if (error)
return error;
printk("%s(%d):%s tiocmset(%x,%x)\n",
__FILE__,__LINE__,info->device_name, set, clear);
switch (cmd) {
case TIOCMBIS:
if (arg & TIOCM_RTS)
if (set & TIOCM_RTS)
info->serial_signals |= SerialSignal_RTS;
if (arg & TIOCM_DTR)
if (set & TIOCM_DTR)
info->serial_signals |= SerialSignal_DTR;
break;
case TIOCMBIC:
if (arg & TIOCM_RTS)
if (clear & TIOCM_RTS)
info->serial_signals &= ~SerialSignal_RTS;
if (arg & TIOCM_DTR)
if (clear & 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;
}
spin_lock_irqsave(&info->irq_spinlock,flags);
usc_set_serial_signals(info);
spin_unlock_irqrestore(&info->irq_spinlock,flags);
return 0;
} /* end of set_modem_info() */
}
/* mgsl_break() Set or clear transmit break condition
*
......@@ -3093,12 +3041,6 @@ int mgsl_ioctl_common(struct mgsl_struct *info, unsigned int cmd, unsigned long
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 mgsl_get_params(info,(MGSL_PARAMS *)arg);
case MGSL_IOCSPARAMS:
......@@ -3323,7 +3265,6 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp)
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgsl_close(%s) exit, count=%d\n", __FILE__,__LINE__,
tty->driver.name, info->count);
MOD_DEC_USE_COUNT;
} /* end of mgsl_close() */
......@@ -3615,8 +3556,6 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp)
printk("%s(%d):mgsl_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)
......@@ -3683,7 +3622,6 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp)
cleanup:
if (retval) {
MOD_DEC_USE_COUNT;
if(info->count)
info->count--;
}
......@@ -4571,6 +4509,7 @@ int mgsl_init_tty()
memset(&serial_driver, 0, sizeof(struct tty_driver));
serial_driver.magic = TTY_DRIVER_MAGIC;
serial_driver.owner = THIS_MODULE;
serial_driver.driver_name = "synclink";
serial_driver.name = "ttySL";
serial_driver.major = ttymajor;
......@@ -4606,6 +4545,8 @@ int mgsl_init_tty()
serial_driver.stop = mgsl_stop;
serial_driver.start = mgsl_start;
serial_driver.hangup = mgsl_hangup;
serial_driver.tiocmget = tiocmget;
serial_driver.tiocmset = tiocmset;
/*
* The callout device is just like normal device except for
......@@ -8003,7 +7944,6 @@ int mgsl_sppp_open(struct net_device *d)
return -EBUSY;
}
info->netcount=1;
MOD_INC_USE_COUNT;
spin_unlock_irqrestore(&info->netlock, flags);
/* claim resources and init adapter */
......@@ -8026,7 +7966,6 @@ int mgsl_sppp_open(struct net_device *d)
open_fail:
spin_lock_irqsave(&info->netlock, flags);
info->netcount=0;
MOD_DEC_USE_COUNT;
spin_unlock_irqrestore(&info->netlock, flags);
return err;
}
......@@ -8092,7 +8031,6 @@ int mgsl_sppp_close(struct net_device *d)
spin_lock_irqsave(&info->netlock, flags);
info->netcount=0;
MOD_DEC_USE_COUNT;
spin_unlock_irqrestore(&info->netlock, flags);
return 0;
}
......
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