#include <linux/pci.h>
#include <linux/init.h>
#include <linux/bitops.h>
+#include <linux/completion.h>
#include <asm/system.h>
#include <asm/io.h>
struct tty_struct *tty;
int cflag;
wait_queue_head_t open_wait;
- wait_queue_head_t close_wait;
+ struct completion close_wait;
struct timer_list emptyTimer;
#define WAKEUP_CHARS 256
-static int verbose = 0;
static int ttymajor = MOXAMAJOR;
/* Variables for insmod */
#ifdef MODULE
module_param_array(numports, int, NULL, 0);
#endif
module_param(ttymajor, int, 0);
-module_param(verbose, bool, 0644);
/*
* static functions:
static int moxa_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear);
static void moxa_poll(unsigned long);
-static void set_tty_param(struct tty_struct *);
-static int block_till_ready(struct tty_struct *, struct file *,
+static void moxa_set_tty_param(struct tty_struct *);
+static int moxa_block_till_ready(struct tty_struct *, struct file *,
struct moxa_port *);
-static void setup_empty_event(struct tty_struct *);
-static void check_xmit_empty(unsigned long);
-static void shut_down(struct moxa_port *);
-static void receive_data(struct moxa_port *);
+static void moxa_setup_empty_event(struct tty_struct *);
+static void moxa_check_xmit_empty(unsigned long);
+static void moxa_shut_down(struct moxa_port *);
+static void moxa_receive_data(struct moxa_port *);
/*
* moxa board interface functions:
*/
int retval;
retval = pci_enable_device(pdev);
- if (retval)
+ if (retval) {
+ dev_err(&pdev->dev, "can't enable pci device\n");
goto err;
+ }
for (i = 0; i < MAX_BOARDS; i++)
if (moxa_boards[i].basemem == NULL)
retval = -ENODEV;
if (i >= MAX_BOARDS) {
- if (verbose)
- printk("More than %d MOXA Intellio family boards "
+ dev_warn(&pdev->dev, "more than %u MOXA Intellio family boards "
"found. Board is ignored.\n", MAX_BOARDS);
goto err;
}
board = &moxa_boards[i];
board->basemem = pci_iomap(pdev, 2, 0x4000);
- if (board->basemem == NULL)
+ if (board->basemem == NULL) {
+ dev_err(&pdev->dev, "can't remap io space 2\n");
goto err;
+ }
board->boardType = board_type;
switch (board_type) {
int i, numBoards, retval = 0;
struct moxa_port *ch;
- printk(KERN_INFO "MOXA Intellio family driver version %s\n", MOXA_VERSION);
+ printk(KERN_INFO "MOXA Intellio family driver version %s\n",
+ MOXA_VERSION);
moxaDriver = alloc_tty_driver(MAX_PORTS + 1);
if (!moxaDriver)
return -ENOMEM;
ch->closing_wait = 30 * HZ;
ch->cflag = B9600 | CS8 | CREAD | CLOCAL | HUPCL;
init_waitqueue_head(&ch->open_wait);
- init_waitqueue_head(&ch->close_wait);
+ init_completion(&ch->close_wait);
- setup_timer(&ch->emptyTimer, check_xmit_empty,
+ setup_timer(&ch->emptyTimer, moxa_check_xmit_empty,
(unsigned long)ch);
}
- printk("Tty devices major number = %d\n", ttymajor);
+ pr_debug("Moxa tty devices major number = %d\n", ttymajor);
if (tty_register_driver(moxaDriver)) {
printk(KERN_ERR "Couldn't install MOXA Smartio family driver !\n");
moxa_boards[numBoards].numPorts = moxa_isa_boards[i].numPorts;
moxa_boards[numBoards].busType = MOXA_BUS_TYPE_ISA;
moxa_boards[numBoards].baseAddr = moxa_isa_boards[i].baseAddr;
- if (verbose)
- printk("Board %2d: %s board(baseAddr=%lx)\n",
- numBoards + 1,
- moxa_brdname[moxa_boards[numBoards].boardType - 1],
- moxa_boards[numBoards].baseAddr);
+ pr_debug("Moxa board %2d: %s board(baseAddr=%lx)\n",
+ numBoards + 1,
+ moxa_brdname[moxa_boards[numBoards].boardType-1],
+ moxa_boards[numBoards].baseAddr);
numBoards++;
}
}
for (i = 0; i < MAX_BOARDS; i++) {
if ((type[i] == MOXA_BOARD_C218_ISA) ||
(type[i] == MOXA_BOARD_C320_ISA)) {
- if (verbose)
- printk("Board %2d: %s board(baseAddr=%lx)\n",
- numBoards + 1,
- moxa_brdname[type[i] - 1],
- (unsigned long) baseaddr[i]);
+ pr_debug("Moxa board %2d: %s board(baseAddr=%lx)\n",
+ numBoards + 1, moxa_brdname[type[i] - 1],
+ (unsigned long)baseaddr[i]);
if (numBoards >= MAX_BOARDS) {
- if (verbose)
- printk("More than %d MOXA Intellio family boards found. Board is ignored.", MAX_BOARDS);
+ printk(KERN_WARNING "More than %d MOXA "
+ "Intellio family boards found. Board "
+ "is ignored.\n", MAX_BOARDS);
continue;
}
moxa_boards[numBoards].boardType = type[i];
{
int i;
- if (verbose)
- printk("Unloading module moxa ...\n");
-
del_timer_sync(&moxaTimer);
for (i = 0; i < MAX_PORTS; i++)
del_timer_sync(&moxa_ports[i].emptyTimer);
if (tty_unregister_driver(moxaDriver))
- printk("Couldn't unregister MOXA Intellio family serial driver\n");
+ printk(KERN_ERR "Couldn't unregister MOXA Intellio family "
+ "serial driver\n");
put_tty_driver(moxaDriver);
#ifdef CONFIG_PCI
for (i = 0; i < MAX_BOARDS; i++)
if (moxa_boards[i].basemem)
iounmap(moxa_boards[i].basemem);
-
- if (verbose)
- printk("Done\n");
}
module_init(moxa_init);
ch->tty = tty;
if (!(ch->asyncflags & ASYNC_INITIALIZED)) {
ch->statusflags = 0;
- set_tty_param(tty);
+ moxa_set_tty_param(tty);
MoxaPortLineCtrl(ch->port, 1, 1);
MoxaPortEnable(ch->port);
ch->asyncflags |= ASYNC_INITIALIZED;
}
- retval = block_till_ready(tty, filp, ch);
+ retval = moxa_block_till_ready(tty, filp, ch);
moxa_unthrottle(tty);
return;
}
if (!MoxaPortIsValid(port)) {
-#ifdef SERIAL_DEBUG_CLOSE
- printk("Invalid portno in moxa_close\n");
-#endif
+ pr_debug("Invalid portno in moxa_close\n");
tty->driver_data = NULL;
return;
}
ch = (struct moxa_port *) tty->driver_data;
if ((tty->count == 1) && (ch->count != 1)) {
- printk("moxa_close: bad serial port count; tty->count is 1, "
- "ch->count is %d\n", ch->count);
+ printk(KERN_WARNING "moxa_close: bad serial port count; "
+ "tty->count is 1, ch->count is %d\n", ch->count);
ch->count = 1;
}
if (--ch->count < 0) {
- printk("moxa_close: bad serial port count, device=%s\n",
- tty->name);
+ printk(KERN_WARNING "moxa_close: bad serial port count, "
+ "device=%s\n", tty->name);
ch->count = 0;
}
if (ch->count) {
ch->cflag = tty->termios->c_cflag;
if (ch->asyncflags & ASYNC_INITIALIZED) {
- setup_empty_event(tty);
+ moxa_setup_empty_event(tty);
tty_wait_until_sent(tty, 30 * HZ); /* 30 seconds timeout */
del_timer_sync(&moxa_ports[ch->port].emptyTimer);
}
- shut_down(ch);
+ moxa_shut_down(ch);
MoxaPortFlushData(port, 2);
if (tty->driver->flush_buffer)
wake_up_interruptible(&ch->open_wait);
}
ch->asyncflags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);
- wake_up_interruptible(&ch->close_wait);
+ complete_all(&ch->close_wait);
}
static int moxa_write(struct tty_struct *tty,
* in tty_ioctl.c, etc.
*/
if (!(ch->statusflags & EMPTYWAIT))
- setup_empty_event(tty);
+ moxa_setup_empty_event(tty);
}
return (chars);
}
retval = tty_check_change(tty);
if (retval)
return (retval);
- setup_empty_event(tty);
+ moxa_setup_empty_event(tty);
tty_wait_until_sent(tty, 0);
if (!arg)
MoxaPortSendBreak(ch->port, 0);
retval = tty_check_change(tty);
if (retval)
return (retval);
- setup_empty_event(tty);
+ moxa_setup_empty_event(tty);
tty_wait_until_sent(tty, 0);
MoxaPortSendBreak(ch->port, arg);
return (0);
if (ch == NULL)
return;
- set_tty_param(tty);
+ moxa_set_tty_param(tty);
if (!(old_termios->c_cflag & CLOCAL) &&
(tty->termios->c_cflag & CLOCAL))
wake_up_interruptible(&ch->open_wait);
struct moxa_port *ch = (struct moxa_port *) tty->driver_data;
moxa_flush_buffer(tty);
- shut_down(ch);
+ moxa_shut_down(ch);
ch->event = 0;
ch->count = 0;
ch->asyncflags &= ~ASYNC_NORMAL_ACTIVE;
continue;
if (!(ch->statusflags & THROTTLE) &&
(MoxaPortRxQueue(ch->port) > 0))
- receive_data(ch);
+ moxa_receive_data(ch);
if ((tp = ch->tty) == 0)
continue;
if (ch->statusflags & LOWWAIT) {
/******************************************************************************/
-static void set_tty_param(struct tty_struct *tty)
+static void moxa_set_tty_param(struct tty_struct *tty)
{
register struct ktermios *ts;
struct moxa_port *ch;
MoxaPortSetTermio(ch->port, ts, tty_get_baud_rate(tty));
}
-static int block_till_ready(struct tty_struct *tty, struct file *filp,
+static int moxa_block_till_ready(struct tty_struct *tty, struct file *filp,
struct moxa_port *ch)
{
DECLARE_WAITQUEUE(wait,current);
*/
if (tty_hung_up_p(filp) || (ch->asyncflags & ASYNC_CLOSING)) {
if (ch->asyncflags & ASYNC_CLOSING)
- interruptible_sleep_on(&ch->close_wait);
+ wait_for_completion_interruptible(&ch->close_wait);
#ifdef SERIAL_DO_RESTART
if (ch->asyncflags & ASYNC_HUP_NOTIFY)
return (-EAGAIN);
*/
retval = 0;
add_wait_queue(&ch->open_wait, &wait);
-#ifdef SERIAL_DEBUG_OPEN
- printk("block_til_ready before block: ttys%d, count = %d\n",
- ch->line, ch->count);
-#endif
+ pr_debug("block_til_ready before block: ttys%d, count = %d\n",
+ ch->port, ch->count);
spin_lock_irqsave(&moxa_lock, flags);
if (!tty_hung_up_p(filp))
ch->count--;
ch->count++;
ch->blocked_open--;
spin_unlock_irqrestore(&moxa_lock, flags);
-#ifdef SERIAL_DEBUG_OPEN
- printk("block_til_ready after blocking: ttys%d, count = %d\n",
- ch->line, ch->count);
-#endif
+ pr_debug("block_til_ready after blocking: ttys%d, count = %d\n",
+ ch->port, ch->count);
if (retval)
return (retval);
/* FIXME: review to see if we need to use set_bit on these */
return 0;
}
-static void setup_empty_event(struct tty_struct *tty)
+static void moxa_setup_empty_event(struct tty_struct *tty)
{
struct moxa_port *ch = tty->driver_data;
unsigned long flags;
spin_unlock_irqrestore(&moxa_lock, flags);
}
-static void check_xmit_empty(unsigned long data)
+static void moxa_check_xmit_empty(unsigned long data)
{
struct moxa_port *ch;
ch = (struct moxa_port *) data;
- del_timer_sync(&moxa_ports[ch->port].emptyTimer);
if (ch->tty && (ch->statusflags & EMPTYWAIT)) {
if (MoxaPortTxQueue(ch->port) == 0) {
ch->statusflags &= ~EMPTYWAIT;
tty_wakeup(ch->tty);
return;
}
- mod_timer(&moxa_ports[ch->port].emptyTimer, jiffies + HZ);
+ mod_timer(&moxa_ports[ch->port].emptyTimer,
+ round_jiffies(jiffies + HZ));
} else
ch->statusflags &= ~EMPTYWAIT;
}
-static void shut_down(struct moxa_port *ch)
+static void moxa_shut_down(struct moxa_port *ch)
{
struct tty_struct *tp;
ch->asyncflags &= ~ASYNC_INITIALIZED;
}
-static void receive_data(struct moxa_port *ch)
+static void moxa_receive_data(struct moxa_port *ch)
{
struct tty_struct *tp;
struct ktermios *ts;
static int moxaFuncTout = HZ / 2;
static void moxafunc(void __iomem *, int, ushort);
-static void wait_finish(void __iomem *);
-static void low_water_check(void __iomem *);
+static void moxa_wait_finish(void __iomem *);
+static void moxa_low_water_check(void __iomem *);
static int moxaloadbios(int, unsigned char __user *, int);
static int moxafindcard(int);
static int moxaload320b(int, unsigned char __user *, int);
moxafunc(ofsAddr, FC_FlushQueue, mode);
if (mode != 1) {
moxa_ports[port].lowChkFlag = 0;
- low_water_check(ofsAddr);
+ moxa_low_water_check(ofsAddr);
}
}
if (moxa_ports[p].lowChkFlag) {
moxa_ports[p].lowChkFlag = 0;
ofsAddr = moxa_ports[p].tableAddr;
- low_water_check(ofsAddr);
+ moxa_low_water_check(ofsAddr);
}
}
}
writeb(termio->c_cc[VSTART], ofsAddr + FuncArg);
writeb(termio->c_cc[VSTOP], ofsAddr + FuncArg1);
writeb(FC_SetXonXoff, ofsAddr + FuncCode);
- wait_finish(ofsAddr);
+ moxa_wait_finish(ofsAddr);
}
return (0);
writew(arg, ofsAddr + FuncArg);
writew(cmd, ofsAddr + FuncCode);
- wait_finish(ofsAddr);
+ moxa_wait_finish(ofsAddr);
}
-static void wait_finish(void __iomem *ofsAddr)
+static void moxa_wait_finish(void __iomem *ofsAddr)
{
unsigned long i, j;
}
}
-static void low_water_check(void __iomem *ofsAddr)
+static void moxa_low_water_check(void __iomem *ofsAddr)
{
int len;
ushort rptr, wptr, mask;
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