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path: root/drivers/char/ip2/ip2main.c
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Diffstat (limited to 'drivers/char/ip2/ip2main.c')
-rw-r--r--drivers/char/ip2/ip2main.c144
1 files changed, 71 insertions, 73 deletions
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index b1d6cad84282..70957acaa960 100644
--- a/drivers/char/ip2/ip2main.c
+++ b/drivers/char/ip2/ip2main.c
@@ -133,8 +133,9 @@
*****************/
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
-static int ip2_read_procmem(char *, char **, off_t, int);
+static const struct file_operations ip2mem_proc_fops;
static int ip2_read_proc(char *, char **, off_t, int, int *, void * );
/********************/
@@ -168,7 +169,7 @@ static int Fip_firmware_size;
static int ip2_open(PTTY, struct file *);
static void ip2_close(PTTY, struct file *);
static int ip2_write(PTTY, const unsigned char *, int);
-static void ip2_putchar(PTTY, unsigned char);
+static int ip2_putchar(PTTY, unsigned char);
static void ip2_flush_chars(PTTY);
static int ip2_write_room(PTTY);
static int ip2_chars_in_buf(PTTY);
@@ -354,14 +355,15 @@ have_requested_irq( char irq )
/* the driver initialisation function and returns what it returns. */
/******************************************************************************/
#ifdef MODULE
-int
-init_module(void)
+static int __init
+ip2_init_module(void)
{
#ifdef IP2DEBUG_INIT
printk (KERN_DEBUG "Loading module ...\n" );
#endif
return 0;
}
+module_init(ip2_init_module);
#endif /* MODULE */
/******************************************************************************/
@@ -380,8 +382,8 @@ init_module(void)
/* driver should be returned since it may be unloaded from memory. */
/******************************************************************************/
#ifdef MODULE
-void
-cleanup_module(void)
+void __exit
+ip2_cleanup_module(void)
{
int err;
int i;
@@ -423,7 +425,7 @@ cleanup_module(void)
}
put_tty_driver(ip2_tty_driver);
unregister_chrdev(IP2_IPL_MAJOR, pcIpl);
- remove_proc_entry("ip2mem", &proc_root);
+ remove_proc_entry("ip2mem", NULL);
// free memory
for (i = 0; i < IP2_MAX_BOARDS; i++) {
@@ -451,6 +453,7 @@ cleanup_module(void)
printk (KERN_DEBUG "IP2 Unloaded\n" );
#endif
}
+module_exit(ip2_cleanup_module);
#endif /* MODULE */
static const struct tty_operations ip2_ops = {
@@ -695,7 +698,7 @@ ip2_loadmain(int *iop, int *irqp, unsigned char *firmware, int firmsize)
}
}
/* Register the read_procmem thing */
- if (!create_proc_info_entry("ip2mem",0,&proc_root,ip2_read_procmem)) {
+ if (!proc_create("ip2mem",0,NULL,&ip2mem_proc_fops)) {
printk(KERN_ERR "IP2: failed to register read_procmem\n");
} else {
@@ -1049,9 +1052,9 @@ set_irq( int boardnum, int boardIrq )
* Write to FIFO; don't bother to adjust fifo capacity for this, since
* board will respond almost immediately after SendMail hit.
*/
- WRITE_LOCK_IRQSAVE(&pB->write_fifo_spinlock,flags);
+ write_lock_irqsave(&pB->write_fifo_spinlock, flags);
iiWriteBuf(pB, tempCommand, 4);
- WRITE_UNLOCK_IRQRESTORE(&pB->write_fifo_spinlock,flags);
+ write_unlock_irqrestore(&pB->write_fifo_spinlock, flags);
pB->i2eUsingIrq = boardIrq;
pB->i2eOutMailWaiting |= MB_OUT_STUFFED;
@@ -1069,9 +1072,9 @@ set_irq( int boardnum, int boardIrq )
(CMD_OF(tempCommand))[4] = 64; // chars
(CMD_OF(tempCommand))[5] = 87; // HW_TEST
- WRITE_LOCK_IRQSAVE(&pB->write_fifo_spinlock,flags);
+ write_lock_irqsave(&pB->write_fifo_spinlock, flags);
iiWriteBuf(pB, tempCommand, 8);
- WRITE_UNLOCK_IRQRESTORE(&pB->write_fifo_spinlock,flags);
+ write_unlock_irqrestore(&pB->write_fifo_spinlock, flags);
CHANNEL_OF(tempCommand) = 0;
PTYPE_OF(tempCommand) = PTYPE_BYPASS;
@@ -1086,9 +1089,9 @@ set_irq( int boardnum, int boardIrq )
CMD_COUNT_OF(tempCommand) = 2;
(CMD_OF(tempCommand))[0] = 44; /* get ping */
(CMD_OF(tempCommand))[1] = 200; /* 200 ms */
- WRITE_LOCK_IRQSAVE(&pB->write_fifo_spinlock,flags);
+ write_lock_irqsave(&pB->write_fifo_spinlock, flags);
iiWriteBuf(pB, tempCommand, 4);
- WRITE_UNLOCK_IRQRESTORE(&pB->write_fifo_spinlock,flags);
+ write_unlock_irqrestore(&pB->write_fifo_spinlock, flags);
#endif
iiEnableMailIrq(pB);
@@ -1267,12 +1270,12 @@ static void do_input(struct work_struct *work)
// Data input
if ( pCh->pTTY != NULL ) {
- READ_LOCK_IRQSAVE(&pCh->Ibuf_spinlock,flags)
+ read_lock_irqsave(&pCh->Ibuf_spinlock, flags);
if (!pCh->throttled && (pCh->Ibuf_stuff != pCh->Ibuf_strip)) {
- READ_UNLOCK_IRQRESTORE(&pCh->Ibuf_spinlock,flags)
+ read_unlock_irqrestore(&pCh->Ibuf_spinlock, flags);
i2Input( pCh );
} else
- READ_UNLOCK_IRQRESTORE(&pCh->Ibuf_spinlock,flags)
+ read_unlock_irqrestore(&pCh->Ibuf_spinlock, flags);
} else {
ip2trace(CHANN, ITRC_INPUT, 22, 0 );
@@ -1613,10 +1616,8 @@ ip2_close( PTTY tty, struct file *pFile )
serviceOutgoingFifo ( pCh->pMyBord );
- 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_driver_flush_buffer(tty);
tty->closing = 0;
pCh->pTTY = NULL;
@@ -1716,9 +1717,9 @@ ip2_write( PTTY tty, const unsigned char *pData, int count)
ip2_flush_chars( tty );
/* This is the actual move bit. Make sure it does what we need!!!!! */
- WRITE_LOCK_IRQSAVE(&pCh->Pbuf_spinlock,flags);
+ write_lock_irqsave(&pCh->Pbuf_spinlock, flags);
bytesSent = i2Output( pCh, pData, count);
- WRITE_UNLOCK_IRQRESTORE(&pCh->Pbuf_spinlock,flags);
+ write_unlock_irqrestore(&pCh->Pbuf_spinlock, flags);
ip2trace (CHANN, ITRC_WRITE, ITRC_RETURN, 1, bytesSent );
@@ -1735,7 +1736,7 @@ ip2_write( PTTY tty, const unsigned char *pData, int count)
/* */
/* */
/******************************************************************************/
-static void
+static int
ip2_putchar( PTTY tty, unsigned char ch )
{
i2ChanStrPtr pCh = tty->driver_data;
@@ -1743,13 +1744,14 @@ ip2_putchar( PTTY tty, unsigned char ch )
// ip2trace (CHANN, ITRC_PUTC, ITRC_ENTER, 1, ch );
- WRITE_LOCK_IRQSAVE(&pCh->Pbuf_spinlock,flags);
+ write_lock_irqsave(&pCh->Pbuf_spinlock, flags);
pCh->Pbuf[pCh->Pbuf_stuff++] = ch;
if ( pCh->Pbuf_stuff == sizeof pCh->Pbuf ) {
- WRITE_UNLOCK_IRQRESTORE(&pCh->Pbuf_spinlock,flags);
+ write_unlock_irqrestore(&pCh->Pbuf_spinlock, flags);
ip2_flush_chars( tty );
} else
- WRITE_UNLOCK_IRQRESTORE(&pCh->Pbuf_spinlock,flags);
+ write_unlock_irqrestore(&pCh->Pbuf_spinlock, flags);
+ return 1;
// ip2trace (CHANN, ITRC_PUTC, ITRC_RETURN, 1, ch );
}
@@ -1769,7 +1771,7 @@ ip2_flush_chars( PTTY tty )
i2ChanStrPtr pCh = tty->driver_data;
unsigned long flags;
- WRITE_LOCK_IRQSAVE(&pCh->Pbuf_spinlock,flags);
+ write_lock_irqsave(&pCh->Pbuf_spinlock, flags);
if ( pCh->Pbuf_stuff ) {
// ip2trace (CHANN, ITRC_PUTC, 10, 1, strip );
@@ -1783,7 +1785,7 @@ ip2_flush_chars( PTTY tty )
}
pCh->Pbuf_stuff -= strip;
}
- WRITE_UNLOCK_IRQRESTORE(&pCh->Pbuf_spinlock,flags);
+ write_unlock_irqrestore(&pCh->Pbuf_spinlock, flags);
}
/******************************************************************************/
@@ -1801,9 +1803,9 @@ ip2_write_room ( PTTY tty )
i2ChanStrPtr pCh = tty->driver_data;
unsigned long flags;
- READ_LOCK_IRQSAVE(&pCh->Pbuf_spinlock,flags);
+ read_lock_irqsave(&pCh->Pbuf_spinlock, flags);
bytesFree = i2OutputFree( pCh ) - pCh->Pbuf_stuff;
- READ_UNLOCK_IRQRESTORE(&pCh->Pbuf_spinlock,flags);
+ read_unlock_irqrestore(&pCh->Pbuf_spinlock, flags);
ip2trace (CHANN, ITRC_WRITE, 11, 1, bytesFree );
@@ -1833,12 +1835,12 @@ ip2_chars_in_buf ( PTTY tty )
pCh->Obuf_char_count + pCh->Pbuf_stuff,
pCh->Obuf_char_count, pCh->Pbuf_stuff );
#endif
- READ_LOCK_IRQSAVE(&pCh->Obuf_spinlock,flags);
+ read_lock_irqsave(&pCh->Obuf_spinlock, flags);
rc = pCh->Obuf_char_count;
- READ_UNLOCK_IRQRESTORE(&pCh->Obuf_spinlock,flags);
- READ_LOCK_IRQSAVE(&pCh->Pbuf_spinlock,flags);
+ read_unlock_irqrestore(&pCh->Obuf_spinlock, flags);
+ read_lock_irqsave(&pCh->Pbuf_spinlock, flags);
rc += pCh->Pbuf_stuff;
- READ_UNLOCK_IRQRESTORE(&pCh->Pbuf_spinlock,flags);
+ read_unlock_irqrestore(&pCh->Pbuf_spinlock, flags);
return rc;
}
@@ -1862,9 +1864,9 @@ ip2_flush_buffer( PTTY tty )
#ifdef IP2DEBUG_WRITE
printk (KERN_DEBUG "IP2: flush buffer\n" );
#endif
- WRITE_LOCK_IRQSAVE(&pCh->Pbuf_spinlock,flags);
+ write_lock_irqsave(&pCh->Pbuf_spinlock, flags);
pCh->Pbuf_stuff = 0;
- WRITE_UNLOCK_IRQRESTORE(&pCh->Pbuf_spinlock,flags);
+ write_unlock_irqrestore(&pCh->Pbuf_spinlock, flags);
i2FlushOutput( pCh );
ip2_owake(tty);
@@ -1950,15 +1952,15 @@ ip2_unthrottle ( PTTY tty )
pCh->throttled = 0;
i2QueueCommands(PTYPE_BYPASS, pCh, 0, 1, CMD_RESUME);
serviceOutgoingFifo( pCh->pMyBord );
- READ_LOCK_IRQSAVE(&pCh->Ibuf_spinlock,flags)
+ read_lock_irqsave(&pCh->Ibuf_spinlock, flags);
if ( pCh->Ibuf_stuff != pCh->Ibuf_strip ) {
- READ_UNLOCK_IRQRESTORE(&pCh->Ibuf_spinlock,flags)
+ read_unlock_irqrestore(&pCh->Ibuf_spinlock, flags);
#ifdef IP2DEBUG_READ
printk (KERN_DEBUG "i2Input called from unthrottle\n" );
#endif
i2Input( pCh );
} else
- READ_UNLOCK_IRQRESTORE(&pCh->Ibuf_spinlock,flags)
+ read_unlock_irqrestore(&pCh->Ibuf_spinlock, flags);
}
static void
@@ -2201,9 +2203,9 @@ ip2_ioctl ( PTTY tty, struct file *pFile, UINT cmd, ULONG arg )
* for masking). Caller should use TIOCGICOUNT to see which one it was
*/
case TIOCMIWAIT:
- WRITE_LOCK_IRQSAVE(&pB->read_fifo_spinlock, flags);
+ write_lock_irqsave(&pB->read_fifo_spinlock, flags);
cprev = pCh->icount; /* note the counters on entry */
- WRITE_UNLOCK_IRQRESTORE(&pB->read_fifo_spinlock, flags);
+ write_unlock_irqrestore(&pB->read_fifo_spinlock, flags);
i2QueueCommands(PTYPE_BYPASS, pCh, 100, 4,
CMD_DCD_REP, CMD_CTS_REP, CMD_DSR_REP, CMD_RI_REP);
init_waitqueue_entry(&wait, current);
@@ -2223,9 +2225,9 @@ ip2_ioctl ( PTTY tty, struct file *pFile, UINT cmd, ULONG arg )
rc = -ERESTARTSYS;
break;
}
- WRITE_LOCK_IRQSAVE(&pB->read_fifo_spinlock, flags);
+ write_lock_irqsave(&pB->read_fifo_spinlock, flags);
cnow = pCh->icount; /* atomic copy */
- WRITE_UNLOCK_IRQRESTORE(&pB->read_fifo_spinlock, flags);
+ write_unlock_irqrestore(&pB->read_fifo_spinlock, flags);
if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) {
rc = -EIO; /* no change => rc */
@@ -2263,9 +2265,9 @@ ip2_ioctl ( PTTY tty, struct file *pFile, UINT cmd, ULONG arg )
case TIOCGICOUNT:
ip2trace (CHANN, ITRC_IOCTL, 11, 1, rc );
- WRITE_LOCK_IRQSAVE(&pB->read_fifo_spinlock, flags);
+ write_lock_irqsave(&pB->read_fifo_spinlock, flags);
cnow = pCh->icount;
- WRITE_UNLOCK_IRQRESTORE(&pB->read_fifo_spinlock, flags);
+ write_unlock_irqrestore(&pB->read_fifo_spinlock, flags);
p_cuser = argp;
rc = put_user(cnow.cts, &p_cuser->cts);
rc = put_user(cnow.dsr, &p_cuser->dsr);
@@ -2871,7 +2873,7 @@ ip2_ipl_ioctl ( struct inode *pInode, struct file *pFile, UINT cmd, ULONG arg )
case 65: /* Board - ip2stat */
if ( pB ) {
rc = copy_to_user(argp, pB, sizeof(i2eBordStr));
- rc = put_user(INB(pB->i2eStatus),
+ rc = put_user(inb(pB->i2eStatus),
(ULONG __user *)(arg + (ULONG)(&pB->i2eStatus) - (ULONG)pB ) );
} else {
rc = -ENODEV;
@@ -2967,65 +2969,61 @@ ip2_ipl_open( struct inode *pInode, struct file *pFile )
}
return 0;
}
-/******************************************************************************/
-/* Function: ip2_read_procmem */
-/* Parameters: */
-/* */
-/* Returns: Length of output */
-/* */
-/* Description: */
-/* Supplies some driver operating parameters */
-/* Not real useful unless your debugging the fifo */
-/* */
-/******************************************************************************/
-
-#define LIMIT (PAGE_SIZE - 120)
static int
-ip2_read_procmem(char *buf, char **start, off_t offset, int len)
+proc_ip2mem_show(struct seq_file *m, void *v)
{
i2eBordStrPtr pB;
i2ChanStrPtr pCh;
PTTY tty;
int i;
- len = 0;
-
#define FMTLINE "%3d: 0x%08x 0x%08x 0%011o 0%011o\n"
#define FMTLIN2 " 0x%04x 0x%04x tx flow 0x%x\n"
#define FMTLIN3 " 0x%04x 0x%04x rc flow\n"
- len += sprintf(buf+len,"\n");
+ seq_printf(m,"\n");
for( i = 0; i < IP2_MAX_BOARDS; ++i ) {
pB = i2BoardPtrTable[i];
if ( pB ) {
- len += sprintf(buf+len,"board %d:\n",i);
- len += sprintf(buf+len,"\tFifo rem: %d mty: %x outM %x\n",
+ seq_printf(m,"board %d:\n",i);
+ seq_printf(m,"\tFifo rem: %d mty: %x outM %x\n",
pB->i2eFifoRemains,pB->i2eWaitingForEmptyFifo,pB->i2eOutMailWaiting);
}
}
- len += sprintf(buf+len,"#: tty flags, port flags, cflags, iflags\n");
+ seq_printf(m,"#: tty flags, port flags, cflags, iflags\n");
for (i=0; i < IP2_MAX_PORTS; i++) {
- if (len > LIMIT)
- break;
pCh = DevTable[i];
if (pCh) {
tty = pCh->pTTY;
if (tty && tty->count) {
- len += sprintf(buf+len,FMTLINE,i,(int)tty->flags,pCh->flags,
+ seq_printf(m,FMTLINE,i,(int)tty->flags,pCh->flags,
tty->termios->c_cflag,tty->termios->c_iflag);
- len += sprintf(buf+len,FMTLIN2,
+ seq_printf(m,FMTLIN2,
pCh->outfl.asof,pCh->outfl.room,pCh->channelNeeds);
- len += sprintf(buf+len,FMTLIN3,pCh->infl.asof,pCh->infl.room);
+ seq_printf(m,FMTLIN3,pCh->infl.asof,pCh->infl.room);
}
}
}
- return len;
+ return 0;
+}
+
+static int proc_ip2mem_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, proc_ip2mem_show, NULL);
}
+static const struct file_operations ip2mem_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = proc_ip2mem_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
/*
* This is the handler for /proc/tty/driver/ip2
*
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-16 13:01:18 +0000