Signed-off-by: Jiri Slaby <[email protected]>
isicom.c | 203 ++++++++++++++++++++++++++++++---------------------------------
1 files changed, 98 insertions(+), 105 deletions(-)
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -154,9 +154,6 @@ static struct tty_driver *isicom_normal;
static struct timer_list tx;
static char re_schedule = 1;
-#ifdef ISICOM_DEBUG
-static unsigned long tx_count = 0;
-#endif
static int ISILoad_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
@@ -164,7 +161,6 @@ static void isicom_tx(unsigned long _dat
static void isicom_start(struct tty_struct *tty);
static unsigned char *tmp_buf;
-static DECLARE_MUTEX(tmp_buf_sem);
/* baud index mappings from linux defns to isi */
@@ -173,35 +169,35 @@ static signed char linuxb_to_isib[] = {
};
struct isi_board {
- unsigned short base;
- unsigned char irq;
- unsigned char port_count;
- unsigned short status;
- unsigned short port_status; /* each bit represents a single port */
- unsigned short shift_count;
- struct isi_port * ports;
- signed char count;
- unsigned char isa;
+ u16 base;
+ u8 irq;
+ u8 port_count;
+ u16 status;
+ u16 port_status; /* each bit for each port */
+ u16 shift_count;
+ struct isi_port *ports;
+ s8 count;
+ u8 isa;
spinlock_t card_lock; /* Card wide lock 11/5/00 -sameer */
unsigned long flags;
};
struct isi_port {
- unsigned short magic;
+ u16 magic;
unsigned int flags;
int count;
int blocked_open;
int close_delay;
- unsigned short channel;
- unsigned short status;
- unsigned short closing_wait;
- struct isi_board * card;
- struct tty_struct * tty;
+ u16 channel;
+ u16 status;
+ u16 closing_wait;
+ struct isi_board *card;
+ struct tty_struct *tty;
wait_queue_head_t close_wait;
wait_queue_head_t open_wait;
struct work_struct hangup_tq;
struct work_struct bh_tqueue;
- unsigned char * xmit_buf;
+ u8 *xmit_buf;
int xmit_head;
int xmit_tail;
int xmit_cnt;
@@ -219,7 +215,7 @@ static struct isi_port isi_ports[PORT_C
static int lock_card(struct isi_board *card)
{
char retries;
- unsigned short base = card->base;
+ u16 base = card->base;
for (retries = 0; retries < 100; retries++) {
spin_lock_irqsave(&card->card_lock, card->flags);
@@ -237,7 +233,7 @@ static int lock_card(struct isi_board *c
static int lock_card_at_interrupt(struct isi_board *card)
{
unsigned char retries;
- unsigned short base = card->base;
+ u16 base = card->base;
for (retries = 0; retries < 200; retries++) {
spin_lock_irqsave(&card->card_lock, card->flags);
@@ -263,8 +259,8 @@ static void unlock_card(struct isi_board
static void raise_dtr(struct isi_port *port)
{
struct isi_board *card = port->card;
- unsigned short base = card->base;
- unsigned char channel = port->channel;
+ u16 base = card->base;
+ u8 channel = port->channel;
if (!lock_card(card))
return;
@@ -279,8 +275,8 @@ static void raise_dtr(struct isi_port *p
static inline void drop_dtr(struct isi_port *port)
{
struct isi_board *card = port->card;
- unsigned short base = card->base;
- unsigned char channel = port->channel;
+ u16 base = card->base;
+ u8 channel = port->channel;
if (!lock_card(card))
return;
@@ -295,8 +291,8 @@ static inline void drop_dtr(struct isi_p
static inline void raise_rts(struct isi_port *port)
{
struct isi_board *card = port->card;
- unsigned short base = card->base;
- unsigned char channel = port->channel;
+ u16 base = card->base;
+ u8 channel = port->channel;
if (!lock_card(card))
return;
@@ -310,8 +306,8 @@ static inline void raise_rts(struct isi_
static inline void drop_rts(struct isi_port *port)
{
struct isi_board *card = port->card;
- unsigned short base = card->base;
- unsigned char channel = port->channel;
+ u16 base = card->base;
+ u8 channel = port->channel;
if (!lock_card(card))
return;
@@ -326,8 +322,8 @@ static inline void drop_rts(struct isi_p
static inline void raise_dtr_rts(struct isi_port *port)
{
struct isi_board *card = port->card;
- unsigned short base = card->base;
- unsigned char channel = port->channel;
+ u16 base = card->base;
+ u8 channel = port->channel;
if (!lock_card(card))
return;
@@ -342,8 +338,8 @@ static inline void raise_dtr_rts(struct
static void drop_dtr_rts(struct isi_port *port)
{
struct isi_board *card = port->card;
- unsigned short base = card->base;
- unsigned char channel = port->channel;
+ u16 base = card->base;
+ u8 channel = port->channel;
if (!lock_card(card))
return;
@@ -358,8 +354,8 @@ static void drop_dtr_rts(struct isi_port
static inline void kill_queue(struct isi_port *port, short queue)
{
struct isi_board *card = port->card;
- unsigned short base = card->base;
- unsigned char channel = port->channel;
+ u16 base = card->base;
+ u8 channel = port->channel;
if (!lock_card(card))
return;
@@ -386,7 +382,7 @@ static struct miscdevice isiloader_devic
};
-static inline int WaitTillCardIsFree(unsigned short base)
+static inline int WaitTillCardIsFree(u16 base)
{
unsigned long count=0;
while( (!(inw(base+0xe) & 0x1)) && (count++ < 6000000));
@@ -401,20 +397,20 @@ static int ISILoad_ioctl(struct inode *i
{
unsigned int card, i, j, signature, status, portcount = 0;
unsigned long t;
- unsigned short word_count, base;
+ u16 word_count, base;
bin_frame frame;
void __user *argp = (void __user *)arg;
/* exec_record exec_rec; */
- if(get_user(card, (int __user *)argp))
+ if (get_user(card, (int __user *)argp))
return -EFAULT;
- if(card < 0 || card >= BOARD_COUNT)
+ if (card < 0 || card >= BOARD_COUNT)
return -ENXIO;
base=isi_card[card].base;
- if(base==0)
+ if (base==0)
return -ENXIO; /* disabled or not used */
switch(cmd) {
@@ -425,12 +421,12 @@ static int ISILoad_ioctl(struct inode *i
inw(base+0x8);
- for(t=jiffies+HZ/100;time_before(jiffies, t););
+ for (t=jiffies+HZ/100;time_before(jiffies, t););
outw(0,base+0x8); /* Reset */
- for(j=1;j<=3;j++) {
- for(t=jiffies+HZ;time_before(jiffies, t););
+ for (j=1;j<=3;j++) {
+ for (t=jiffies+HZ;time_before(jiffies, t););
printk(".");
}
signature=(inw(base+0x4)) & 0xff;
@@ -486,7 +482,7 @@ static int ISILoad_ioctl(struct inode *i
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- if(copy_from_user(&frame, argp, sizeof(bin_frame)))
+ if (copy_from_user(&frame, argp, sizeof(bin_frame)))
return -EFAULT;
if (WaitTillCardIsFree(base))
@@ -500,7 +496,7 @@ static int ISILoad_ioctl(struct inode *i
outw(word_count, base);
InterruptTheCard(base);
- for(i=0;i<=0x2f;i++); /* a wee bit of delay */
+ for (i=0;i<=0x2f;i++); /* a wee bit of delay */
if (WaitTillCardIsFree(base))
return -EIO;
@@ -514,7 +510,7 @@ static int ISILoad_ioctl(struct inode *i
InterruptTheCard(base);
- for(i=0;i<=0x0f;i++); /* another wee bit of delay */
+ for (i=0;i<=0x0f;i++); /* another wee bit of delay */
if (WaitTillCardIsFree(base))
return -EIO;
@@ -529,7 +525,7 @@ static int ISILoad_ioctl(struct inode *i
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- if(copy_from_user(&frame, argp, sizeof(bin_header)))
+ if (copy_from_user(&frame, argp, sizeof(bin_header)))
return -EFAULT;
if (WaitTillCardIsFree(base))
@@ -543,7 +539,7 @@ static int ISILoad_ioctl(struct inode *i
outw(word_count+1, base);
InterruptTheCard(base);
- for(i=0;i<=0xf;i++); /* a wee bit of delay */
+ for (i=0;i<=0xf;i++); /* a wee bit of delay */
if (WaitTillCardIsFree(base))
return -EIO;
@@ -558,7 +554,7 @@ static int ISILoad_ioctl(struct inode *i
insw(base, frame.bin_data, word_count);
InterruptTheCard(base);
- for(i=0;i<=0x0f;i++); /* another wee bit of delay */
+ for (i=0;i<=0x0f;i++); /* another wee bit of delay */
if (WaitTillCardIsFree(base))
return -EIO;
@@ -568,7 +564,7 @@ static int ISILoad_ioctl(struct inode *i
return -EIO;
}
- if(copy_to_user(argp, &frame, sizeof(bin_frame)))
+ if (copy_to_user(argp, &frame, sizeof(bin_frame)))
return -EFAULT;
return 0;
@@ -667,7 +663,7 @@ static void isicom_tx(unsigned long _dat
tty = port->tty;
- if(tty == NULL) {
+ if (tty == NULL) {
unlock_card(&isi_card[card]);
continue;
}
@@ -762,19 +758,16 @@ static void isicom_bottomhalf(void *data
* Main interrupt handler routine
*/
-static irqreturn_t isicom_interrupt(int irq, void *dev_id,
- struct pt_regs *regs)
+static irqreturn_t isicom_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
- struct isi_board *card;
+ struct isi_board *card = dev_id;
struct isi_port *port;
struct tty_struct *tty;
- unsigned short base, header, word_count, count;
- unsigned char channel;
+ u16 base, header, word_count, count;
+ u8 channel;
short byte_count;
unsigned char *rp;
- card = (struct isi_board *) dev_id;
-
if (!card || !(card->status & FIRMWARE_LOADED))
return IRQ_NONE;
@@ -953,8 +946,8 @@ static void isicom_config_port(struct is
struct isi_board *card = port->card;
struct tty_struct *tty;
unsigned long baud;
- unsigned short channel_setup, base = card->base;
- unsigned short channel = port->channel, shift_count = card->shift_count;
+ u16 channel_setup, base = card->base;
+ u16 channel = port->channel, shift_count = card->shift_count;
unsigned char flow_ctrl;
if (!(tty = port->tty) || !tty->termios)
@@ -1071,7 +1064,7 @@ static inline void isicom_setup_board(st
port = bp->ports;
bp->status |= BOARD_ACTIVE;
spin_unlock_irqrestore(&bp->card_lock, flags);
- for(channel = 0; channel < bp->port_count; channel++, port++)
+ for (channel = 0; channel < bp->port_count; channel++, port++)
drop_dtr_rts(port);
return;
}
@@ -1094,7 +1087,7 @@ static int isicom_setup_port(struct isi_
free_page(page);
return -ERESTARTSYS;
}
- port->xmit_buf = (unsigned char *) page;
+ port->xmit_buf = (u8*) page;
}
spin_lock_irqsave(&card->card_lock, flags);
@@ -1286,7 +1279,7 @@ static void isicom_shutdown_port(struct
}
/* last port was closed , shutdown that boad too */
- if(C_HUPCL(tty)) {
+ if (C_HUPCL(tty)) {
if (!card->count)
isicom_shutdown_board(card);
}
@@ -1294,7 +1287,7 @@ static void isicom_shutdown_port(struct
static void isicom_close(struct tty_struct *tty, struct file *filp)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
struct isi_board *card = port->card;
unsigned long flags;
@@ -1373,7 +1366,7 @@ static void isicom_close(struct tty_stru
static int isicom_write(struct tty_struct *tty, const unsigned char *buf,
int count)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
struct isi_board *card = port->card;
unsigned long flags;
int cnt, total = 0;
@@ -1408,7 +1401,7 @@ static int isicom_write(struct tty_struc
/* put_char et all */
static void isicom_put_char(struct tty_struct *tty, unsigned char ch)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
struct isi_board *card = port->card;
unsigned long flags;
@@ -1433,7 +1426,7 @@ static void isicom_put_char(struct tty_s
/* flush_chars et all */
static void isicom_flush_chars(struct tty_struct *tty)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
if (isicom_paranoia_check(port, tty->name, "isicom_flush_chars"))
return;
@@ -1449,7 +1442,7 @@ static void isicom_flush_chars(struct tt
/* write_room et all */
static int isicom_write_room(struct tty_struct *tty)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
int free;
if (isicom_paranoia_check(port, tty->name, "isicom_write_room"))
@@ -1464,7 +1457,7 @@ static int isicom_write_room(struct tty_
/* chars_in_buffer et all */
static int isicom_chars_in_buffer(struct tty_struct *tty)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
if (isicom_paranoia_check(port, tty->name, "isicom_chars_in_buffer"))
return 0;
return port->xmit_cnt;
@@ -1474,9 +1467,9 @@ static int isicom_chars_in_buffer(struct
static inline void isicom_send_break(struct isi_port *port, unsigned long length)
{
struct isi_board *card = port->card;
- unsigned short base = card->base;
+ u16 base = card->base;
- if(!lock_card(card))
+ if (!lock_card(card))
return;
outw(0x8000 | ((port->channel) << (card->shift_count)) | 0x3, base);
@@ -1489,9 +1482,9 @@ static inline void isicom_send_break(str
static int isicom_tiocmget(struct tty_struct *tty, struct file *file)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
/* just send the port status */
- unsigned short status = port->status;
+ u16 status = port->status;
if (isicom_paranoia_check(port, tty->name, "isicom_ioctl"))
return -ENODEV;
@@ -1507,7 +1500,7 @@ static int isicom_tiocmget(struct tty_st
static int isicom_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
if (isicom_paranoia_check(port, tty->name, "isicom_ioctl"))
return -ENODEV;
@@ -1531,7 +1524,7 @@ static int isicom_set_serial_info(struct
struct serial_struct newinfo;
int reconfig_port;
- if(copy_from_user(&newinfo, info, sizeof(newinfo)))
+ if (copy_from_user(&newinfo, info, sizeof(newinfo)))
return -EFAULT;
reconfig_port = ((port->flags & ASYNC_SPD_MASK) !=
@@ -1572,7 +1565,7 @@ static int isicom_get_serial_info(struct
/* out_info.baud_base = ? */
out_info.close_delay = port->close_delay;
out_info.closing_wait = port->closing_wait;
- if(copy_to_user(info, &out_info, sizeof(out_info)))
+ if (copy_to_user(info, &out_info, sizeof(out_info)))
return -EFAULT;
return 0;
}
@@ -1580,7 +1573,7 @@ static int isicom_get_serial_info(struct
static int isicom_ioctl(struct tty_struct *tty, struct file *filp,
unsigned int cmd, unsigned long arg)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
void __user *argp = (void __user *)arg;
int retval;
@@ -1609,7 +1602,7 @@ static int isicom_ioctl(struct tty_struc
return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long __user *)argp);
case TIOCSSOFTCAR:
- if(get_user(arg, (unsigned long __user *) argp))
+ if (get_user(arg, (unsigned long __user *) argp))
return -EFAULT;
tty->termios->c_cflag =
((tty->termios->c_cflag & ~CLOCAL) |
@@ -1632,7 +1625,7 @@ static int isicom_ioctl(struct tty_struc
static void isicom_set_termios(struct tty_struct *tty,
struct termios *old_termios)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
if (isicom_paranoia_check(port, tty->name, "isicom_set_termios"))
return;
@@ -1653,7 +1646,7 @@ static void isicom_set_termios(struct tt
/* throttle et all */
static void isicom_throttle(struct tty_struct *tty)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
struct isi_board *card = port->card;
if (isicom_paranoia_check(port, tty->name, "isicom_throttle"))
@@ -1667,7 +1660,7 @@ static void isicom_throttle(struct tty_s
/* unthrottle et all */
static void isicom_unthrottle(struct tty_struct *tty)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
struct isi_board *card = port->card;
if (isicom_paranoia_check(port, tty->name, "isicom_unthrottle"))
@@ -1681,7 +1674,7 @@ static void isicom_unthrottle(struct tty
/* stop et all */
static void isicom_stop(struct tty_struct *tty)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
if (isicom_paranoia_check(port, tty->name, "isicom_stop"))
return;
@@ -1694,7 +1687,7 @@ static void isicom_stop(struct tty_struc
/* start et all */
static void isicom_start(struct tty_struct *tty)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
if (isicom_paranoia_check(port, tty->name, "isicom_start"))
return;
@@ -1707,7 +1700,7 @@ static void isicom_start(struct tty_stru
/* hangup et all */
static void do_isicom_hangup(void *data)
{
- struct isi_port *port = (struct isi_port *) data;
+ struct isi_port *port = data;
struct tty_struct *tty;
tty = port->tty;
@@ -1717,7 +1710,7 @@ static void do_isicom_hangup(void *data)
static void isicom_hangup(struct tty_struct *tty)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
if (isicom_paranoia_check(port, tty->name, "isicom_hangup"))
return;
@@ -1732,7 +1725,7 @@ static void isicom_hangup(struct tty_str
/* flush_buffer et all */
static void isicom_flush_buffer(struct tty_struct *tty)
{
- struct isi_port *port = (struct isi_port *) tty->driver_data;
+ struct isi_port *port = tty->driver_data;
struct isi_board *card = port->card;
unsigned long flags;
@@ -1776,23 +1769,23 @@ static void unregister_ioregion(void)
}
static struct tty_operations isicom_ops = {
- .open = isicom_open,
- .close = isicom_close,
- .write = isicom_write,
- .put_char = isicom_put_char,
- .flush_chars = isicom_flush_chars,
- .write_room = isicom_write_room,
+ .open = isicom_open,
+ .close = isicom_close,
+ .write = isicom_write,
+ .put_char = isicom_put_char,
+ .flush_chars = isicom_flush_chars,
+ .write_room = isicom_write_room,
.chars_in_buffer = isicom_chars_in_buffer,
- .ioctl = isicom_ioctl,
- .set_termios = isicom_set_termios,
- .throttle = isicom_throttle,
- .unthrottle = isicom_unthrottle,
- .stop = isicom_stop,
- .start = isicom_start,
- .hangup = isicom_hangup,
- .flush_buffer = isicom_flush_buffer,
- .tiocmget = isicom_tiocmget,
- .tiocmset = isicom_tiocmset,
+ .ioctl = isicom_ioctl,
+ .set_termios = isicom_set_termios,
+ .throttle = isicom_throttle,
+ .unthrottle = isicom_unthrottle,
+ .stop = isicom_stop,
+ .start = isicom_start,
+ .hangup = isicom_hangup,
+ .flush_buffer = isicom_flush_buffer,
+ .tiocmget = isicom_tiocmget,
+ .tiocmset = isicom_tiocmset,
};
static int __devinit register_drivers(void)
@@ -1961,7 +1954,7 @@ static int __devinit isicom_setup(void)
unsigned int ioaddr;
card = 0;
- for(idx=0; idx < BOARD_COUNT; idx++) {
+ for (idx=0; idx < BOARD_COUNT; idx++) {
if (io[idx]) {
isi_card[idx].base=io[idx];
isi_card[idx].irq=irq[idx];
@@ -2062,7 +2055,7 @@ static void __exit isicom_exit(void)
unregister_isr();
unregister_drivers();
unregister_ioregion();
- if(tmp_buf)
+ if (tmp_buf)
free_page((unsigned long)tmp_buf);
if (misc_deregister(&isiloader_device))
printk(KERN_ERR "ISICOM: Unable to unregister Firmware Loader driver\n");
-
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