#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/init.h>
+#include <linux/bitops.h>
#include <asm/system.h>
#include <asm/io.h>
-#include <asm/bitops.h>
#include <asm/uaccess.h>
#define MOXA_VERSION "5.1k"
} moxa_board_conf;
static moxa_board_conf moxa_boards[MAX_BOARDS];
-static unsigned long moxaBaseAddr[MAX_BOARDS];
+static void __iomem *moxaBaseAddr[MAX_BOARDS];
struct moxa_str {
int type;
MODULE_AUTHOR("William Chen");
MODULE_DESCRIPTION("MOXA Intellio Family Multiport Board Device Driver");
MODULE_LICENSE("GPL");
-MODULE_PARM(type, "1-4i");
-MODULE_PARM(baseaddr, "1-4i");
-MODULE_PARM(numports, "1-4i");
-MODULE_PARM(ttymajor, "i");
-MODULE_PARM(verbose, "i");
+#ifdef MODULE
+module_param_array(type, int, NULL, 0);
+module_param_array(baseaddr, int, NULL, 0);
+module_param_array(numports, int, NULL, 0);
+#endif
+module_param(ttymajor, int, 0);
+module_param(verbose, bool, 0644);
static struct tty_driver *moxaDriver;
static struct moxa_str moxaChannels[MAX_PORTS];
static void do_moxa_softint(void *);
static int moxa_open(struct tty_struct *, struct file *);
static void moxa_close(struct tty_struct *, struct file *);
-static int moxa_write(struct tty_struct *, int, const unsigned char *, int);
+static int moxa_write(struct tty_struct *, const unsigned char *, int);
static int moxa_write_room(struct tty_struct *);
static void moxa_flush_buffer(struct tty_struct *);
static int moxa_chars_in_buffer(struct tty_struct *);
static int MoxaPortDCDON(int);
static void MoxaPortFlushData(int, int);
static int MoxaPortWriteData(int, unsigned char *, int);
-static int MoxaPortReadData(int, unsigned char *, int);
+static int MoxaPortReadData(int, struct tty_struct *tty);
static int MoxaPortTxQueue(int);
static int MoxaPortRxQueue(int);
static int MoxaPortTxFree(int);
.tiocmset = moxa_tiocmset,
};
+static spinlock_t moxa_lock = SPIN_LOCK_UNLOCKED;
+
#ifdef CONFIG_PCI
static int moxa_get_PCI_conf(struct pci_dev *p, int board_type, moxa_board_conf * board)
{
init_MUTEX(&moxaBuffSem);
moxaDriver->owner = THIS_MODULE;
- moxaDriver->name = "ttya";
+ moxaDriver->name = "ttyMX";
moxaDriver->devfs_name = "tts/a";
moxaDriver->major = ttymajor;
moxaDriver->minor_start = 0;
#ifdef CONFIG_PCI
{
struct pci_dev *p = NULL;
- int n = (sizeof(moxa_pcibrds) / sizeof(moxa_pcibrds[0])) - 1;
+ int n = ARRAY_SIZE(moxa_pcibrds) - 1;
i = 0;
while (i < n) {
- while ((p = pci_find_device(moxa_pcibrds[i].vendor, moxa_pcibrds[i].device, p))!=NULL)
+ while ((p = pci_get_device(moxa_pcibrds[i].vendor, moxa_pcibrds[i].device, p))!=NULL)
{
if (pci_enable_device(p))
continue;
}
#endif
for (i = 0; i < numBoards; i++) {
- moxaBaseAddr[i] = (unsigned long) ioremap((unsigned long) moxa_boards[i].baseAddr, 0x4000);
+ moxaBaseAddr[i] = ioremap((unsigned long) moxa_boards[i].baseAddr, 0x4000);
}
return (0);
put_tty_driver(moxaDriver);
if (verbose)
printk("Done\n");
-
}
module_init(moxa_init);
if (tty->driver->flush_buffer)
tty->driver->flush_buffer(tty);
- if (tty->ldisc.flush_buffer)
- tty->ldisc.flush_buffer(tty);
+ tty_ldisc_flush(tty);
+
tty->closing = 0;
ch->event = 0;
ch->tty = NULL;
if (ch->blocked_open) {
if (ch->close_delay) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(ch->close_delay);
+ msleep_interruptible(jiffies_to_msecs(ch->close_delay));
}
wake_up_interruptible(&ch->open_wait);
}
wake_up_interruptible(&ch->close_wait);
}
-static int moxa_write(struct tty_struct *tty, int from_user,
+static int moxa_write(struct tty_struct *tty,
const unsigned char *buf, int count)
{
struct moxa_str *ch;
if (ch == NULL)
return (0);
port = ch->port;
- save_flags(flags);
- if (from_user) {
- if (count > PAGE_SIZE)
- count = PAGE_SIZE;
- down(&moxaBuffSem);
- if (copy_from_user(moxaXmitBuff, buf, count)) {
- len = -EFAULT;
- } else {
- cli();
- len = MoxaPortWriteData(port, moxaXmitBuff, count);
- restore_flags(flags);
- }
- up(&moxaBuffSem);
- if (len < 0)
- return len;
- } else {
- cli();
- len = MoxaPortWriteData(port, (unsigned char *) buf, count);
- restore_flags(flags);
- }
+
+ spin_lock_irqsave(&moxa_lock, flags);
+ len = MoxaPortWriteData(port, (unsigned char *) buf, count);
+ spin_unlock_irqrestore(&moxa_lock, flags);
/*********************************************
if ( !(ch->statusflags & LOWWAIT) &&
if (ch == NULL)
return;
MoxaPortFlushData(ch->port, 1);
- if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
- tty->ldisc.write_wakeup)
- (tty->ldisc.write_wakeup) (tty);
- wake_up_interruptible(&tty->write_wait);
+ tty_wakeup(tty);
}
static int moxa_chars_in_buffer(struct tty_struct *tty)
if (ch == NULL)
return;
port = ch->port;
- save_flags(flags);
- cli();
+ spin_lock_irqsave(&moxa_lock, flags);
moxaXmitBuff[0] = c;
MoxaPortWriteData(port, moxaXmitBuff, 1);
- restore_flags(flags);
+ spin_unlock_irqrestore(&moxa_lock, flags);
/************************************************
if ( !(ch->statusflags & LOWWAIT) && (MoxaPortTxFree(port) <= 100) )
*************************************************/
if (MoxaPortTxQueue(ch->port) <= WAKEUP_CHARS) {
if (!tp->stopped) {
ch->statusflags &= ~LOWWAIT;
- if ((tp->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
- tp->ldisc.write_wakeup)
- (tp->ldisc.write_wakeup) (tp);
- wake_up_interruptible(&tp->write_wait);
+ tty_wakeup(tp);
}
}
}
printk("block_til_ready before block: ttys%d, count = %d\n",
ch->line, ch->count);
#endif
- save_flags(flags);
- cli();
+ spin_lock_irqsave(&moxa_lock, flags);
if (!tty_hung_up_p(filp))
ch->count--;
- restore_flags(flags);
ch->blocked_open++;
+ spin_unlock_irqrestore(&moxa_lock, flags);
+
while (1) {
set_current_state(TASK_INTERRUPTIBLE);
if (tty_hung_up_p(filp) ||
}
set_current_state(TASK_RUNNING);
remove_wait_queue(&ch->open_wait, &wait);
+
+ spin_lock_irqsave(&moxa_lock, flags);
if (!tty_hung_up_p(filp))
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
if (retval)
return (retval);
+ /* FIXME: review to see if we need to use set_bit on these */
ch->asyncflags |= ASYNC_NORMAL_ACTIVE;
- return (0);
+ return 0;
}
static void setup_empty_event(struct tty_struct *tty)
struct moxa_str *ch = tty->driver_data;
unsigned long flags;
- save_flags(flags);
- cli();
+ spin_lock_irqsave(&moxa_lock, flags);
ch->statusflags |= EMPTYWAIT;
moxaEmptyTimer_on[ch->port] = 0;
del_timer(&moxaEmptyTimer[ch->port]);
moxaEmptyTimer[ch->port].expires = jiffies + HZ;
moxaEmptyTimer_on[ch->port] = 1;
add_timer(&moxaEmptyTimer[ch->port]);
- restore_flags(flags);
+ spin_unlock_irqrestore(&moxa_lock, flags);
}
static void check_xmit_empty(unsigned long data)
if (ch->tty && (ch->statusflags & EMPTYWAIT)) {
if (MoxaPortTxQueue(ch->port) == 0) {
ch->statusflags &= ~EMPTYWAIT;
- if ((ch->tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
- ch->tty->ldisc.write_wakeup)
- (ch->tty->ldisc.write_wakeup) (ch->tty);
- wake_up_interruptible(&ch->tty->write_wait);
+ tty_wakeup(ch->tty);
return;
}
moxaEmptyTimer[ch->port].expires = jiffies + HZ;
{
struct tty_struct *tp;
struct termios *ts;
- int i, count, rc, space;
- unsigned char *charptr, *flagptr;
unsigned long flags;
ts = NULL;
MoxaPortFlushData(ch->port, 0);
return;
}
- space = TTY_FLIPBUF_SIZE - tp->flip.count;
- if (space <= 0)
- return;
- charptr = tp->flip.char_buf_ptr;
- flagptr = tp->flip.flag_buf_ptr;
- rc = tp->flip.count;
- save_flags(flags);
- cli();
- count = MoxaPortReadData(ch->port, charptr, space);
- restore_flags(flags);
- for (i = 0; i < count; i++)
- *flagptr++ = 0;
- charptr += count;
- rc += count;
- tp->flip.count = rc;
- tp->flip.char_buf_ptr = charptr;
- tp->flip.flag_buf_ptr = flagptr;
- tty_schedule_flip(ch->tty);
+ spin_lock_irqsave(&moxa_lock, flags);
+ MoxaPortReadData(ch->port, tp);
+ spin_unlock_irqrestore(&moxa_lock, flags);
+ tty_schedule_flip(tp);
}
#define Magic_code 0x404
#define DCD_oldstate 0x80
static unsigned char moxaBuff[10240];
-static unsigned long moxaIntNdx[MAX_BOARDS];
-static unsigned long moxaIntPend[MAX_BOARDS];
-static unsigned long moxaIntTable[MAX_BOARDS];
+static void __iomem *moxaIntNdx[MAX_BOARDS];
+static void __iomem *moxaIntPend[MAX_BOARDS];
+static void __iomem *moxaIntTable[MAX_BOARDS];
static char moxaChkPort[MAX_PORTS];
static char moxaLineCtrl[MAX_PORTS];
-static unsigned long moxaTableAddr[MAX_PORTS];
+static void __iomem *moxaTableAddr[MAX_PORTS];
static long moxaCurBaud[MAX_PORTS];
static char moxaDCDState[MAX_PORTS];
static char moxaLowChkFlag[MAX_PORTS];
static ushort moxaBreakCnt[MAX_PORTS];
static void moxadelay(int);
-static void moxafunc(unsigned long, int, ushort);
-static void wait_finish(unsigned long);
-static void low_water_check(unsigned long);
+static void moxafunc(void __iomem *, int, ushort);
+static void wait_finish(void __iomem *);
+static void 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);
static int moxaloadcode(int, unsigned char __user *, int);
-static int moxaloadc218(int, unsigned long, int);
-static int moxaloadc320(int, unsigned long, int, int *);
+static int moxaloadc218(int, void __iomem *, int);
+static int moxaloadc320(int, void __iomem *, int, int *);
/*****************************************************************************
* Driver level functions: *
void MoxaPortFlushData(int port, int mode)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
if ((mode < 0) || (mode > 2))
return;
ofsAddr = moxaTableAddr[port];
case MOXA_FIND_BOARD:
case MOXA_LOAD_C320B:
case MOXA_LOAD_CODE:
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
break;
}
{
register ushort temp;
register int card;
- unsigned long ip, ofsAddr;
+ void __iomem *ofsAddr;
+ void __iomem *ip;
int port, p, ports;
if (moxaCard == 0)
* 14. MoxaPortDCDON(int port); *
* 15. MoxaPortFlushData(int port, int mode); *
* 16. MoxaPortWriteData(int port, unsigned char * buffer, int length); *
- * 17. MoxaPortReadData(int port, unsigned char * buffer, int length); *
+ * 17. MoxaPortReadData(int port, struct tty_struct *tty); *
* 18. MoxaPortTxBufSize(int port); *
* 19. MoxaPortRxBufSize(int port); *
* 20. MoxaPortTxQueue(int port); *
*
* Function 21: Read data.
* Syntax:
- * int MoxaPortReadData(int port, unsigned char * buffer, int length);
+ * int MoxaPortReadData(int port, struct tty_struct *tty);
* int port : port number (0 - 127)
- * unsigned char * buffer : pointer to read data buffer.
- * int length : read data buffer length
+ * struct tty_struct *tty : tty for data
*
* return: 0 - length : real read data length
*
void MoxaPortEnable(int port)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
int MoxaPortLineStatus(int);
short lowwater = 512;
void MoxaPortDisable(int port)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr = moxaTableAddr[port];
- ofsAddr = moxaTableAddr[port];
moxafunc(ofsAddr, FC_SetFlowCtl, 0); /* disable flow control */
moxafunc(ofsAddr, FC_ClrLineIrq, Magic_code);
writew(0, ofsAddr + HostStat);
long MoxaPortSetBaud(int port, long baud)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
long max, clock;
unsigned int val;
int MoxaPortSetTermio(int port, struct termios *termio)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
tcflag_t cflag;
long baud;
tcflag_t mode = 0;
void MoxaPortLineCtrl(int port, int dtr, int rts)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
int mode;
ofsAddr = moxaTableAddr[port];
void MoxaPortFlowCtrl(int port, int rts, int cts, int txflow, int rxflow, int txany)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
int mode;
ofsAddr = moxaTableAddr[port];
int MoxaPortLineStatus(int port)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
int val;
ofsAddr = moxaTableAddr[port];
int cnt;
ushort head, tx_mask, spage, epage;
ushort pageno, pageofs, bufhead;
- unsigned long baseAddr, ofsAddr, ofs;
+ void __iomem *baseAddr, *ofsAddr, *ofs;
ofsAddr = moxaTableAddr[port];
baseAddr = moxaBaseAddr[port / MAX_PORTS_PER_BOARD];
return (total);
}
-int MoxaPortReadData(int port, unsigned char * buffer, int space)
+int MoxaPortReadData(int port, struct tty_struct *tty)
{
register ushort head, pageofs;
int i, count, cnt, len, total, remain;
ushort tail, rx_mask, spage, epage;
ushort pageno, bufhead;
- unsigned long baseAddr, ofsAddr, ofs;
+ void __iomem *baseAddr, *ofsAddr, *ofs;
ofsAddr = moxaTableAddr[port];
baseAddr = moxaBaseAddr[port / MAX_PORTS_PER_BOARD];
count = (tail >= head) ? (tail - head)
: (tail - head + rx_mask + 1);
if (count == 0)
- return (0);
+ return 0;
- total = (space > count) ? count : space;
+ total = count;
remain = count - total;
moxaLog.rxcnt[port] += total;
count = total;
len = (count > len) ? len : count;
ofs = baseAddr + DynPage_addr + bufhead + head;
for (i = 0; i < len; i++)
- *buffer++ = readb(ofs + i);
+ tty_insert_flip_char(tty, readb(ofs + i), TTY_NORMAL);
head = (head + len) & rx_mask;
count -= len;
}
writew(pageno, baseAddr + Control_reg);
ofs = baseAddr + DynPage_addr + pageofs;
for (i = 0; i < cnt; i++)
- *buffer++ = readb(ofs + i);
+ tty_insert_flip_char(tty, readb(ofs + i), TTY_NORMAL);
if (count == 0) {
writew((head + len) & rx_mask, ofsAddr + RXrptr);
break;
int MoxaPortTxQueue(int port)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
ushort rptr, wptr, mask;
int len;
int MoxaPortTxFree(int port)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
ushort rptr, wptr, mask;
int len;
int MoxaPortRxQueue(int port)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
ushort rptr, wptr, mask;
int len;
void MoxaPortTxDisable(int port)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
ofsAddr = moxaTableAddr[port];
moxafunc(ofsAddr, FC_SetXoffState, Magic_code);
void MoxaPortTxEnable(int port)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
ofsAddr = moxaTableAddr[port];
moxafunc(ofsAddr, FC_SetXonState, Magic_code);
void MoxaPortSendBreak(int port, int ms100)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
ofsAddr = moxaTableAddr[port];
if (ms100) {
while (time_before(jiffies, et));
}
-static void moxafunc(unsigned long ofsAddr, int cmd, ushort arg)
+static void moxafunc(void __iomem *ofsAddr, int cmd, ushort arg)
{
writew(arg, ofsAddr + FuncArg);
wait_finish(ofsAddr);
}
-static void wait_finish(unsigned long ofsAddr)
+static void wait_finish(void __iomem *ofsAddr)
{
unsigned long i, j;
}
}
-static void low_water_check(unsigned long ofsAddr)
+static void low_water_check(void __iomem *ofsAddr)
{
int len;
ushort rptr, wptr, mask;
static int moxaloadbios(int cardno, unsigned char __user *tmp, int len)
{
- unsigned long baseAddr;
+ void __iomem *baseAddr;
int i;
if(copy_from_user(moxaBuff, tmp, len))
static int moxafindcard(int cardno)
{
- unsigned long baseAddr;
+ void __iomem *baseAddr;
ushort tmp;
baseAddr = moxaBaseAddr[cardno];
static int moxaload320b(int cardno, unsigned char __user *tmp, int len)
{
- unsigned long baseAddr;
+ void __iomem *baseAddr;
int i;
if(len > sizeof(moxaBuff))
static int moxaloadcode(int cardno, unsigned char __user *tmp, int len)
{
- unsigned long baseAddr, ofsAddr;
+ void __iomem *baseAddr, *ofsAddr;
int retval, port, i;
if(copy_from_user(moxaBuff, tmp, len))
return (0);
}
-static int moxaloadc218(int cardno, unsigned long baseAddr, int len)
+static int moxaloadc218(int cardno, void __iomem *baseAddr, int len)
{
char retry;
int i, j, len1, len2;
return (0);
}
-static int moxaloadc320(int cardno, unsigned long baseAddr, int len, int *numPorts)
+static int moxaloadc320(int cardno, void __iomem *baseAddr, int len, int *numPorts)
{
ushort usum;
int i, j, wlen, len2, retry;
return (0);
}
+#if 0
long MoxaPortGetCurBaud(int port)
{
return (0);
return (moxaCurBaud[port]);
}
+#endif /* 0 */
static void MoxaSetFifo(int port, int enable)
{
- unsigned long ofsAddr = moxaTableAddr[port];
+ void __iomem *ofsAddr = moxaTableAddr[port];
if (!enable) {
moxafunc(ofsAddr, FC_SetRxFIFOTrig, 0);
#if 0
int MoxaPortSetMode(int port, int databits, int stopbits, int parity)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
int val;
val = 0;
int MoxaPortTxBufSize(int port)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
int size;
ofsAddr = moxaTableAddr[port];
int MoxaPortRxBufSize(int port)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
int size;
ofsAddr = moxaTableAddr[port];
int MoxaPortRxFree(int port)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
ushort rptr, wptr, mask;
int len;
void MoxaPortSetXonXoff(int port, int xonValue, int xoffValue)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
ofsAddr = moxaTableAddr[port];
writew(xonValue, ofsAddr + FuncArg);
int MoxaPortIsTxHold(int port)
{
- unsigned long ofsAddr;
+ void __iomem *ofsAddr;
int val;
ofsAddr = moxaTableAddr[port];
git://git.onelab.eu / linux-2.6.git / blobdiff