* Original driver code supplied by Multi-Tech
*
* Changes
- * 1/9/98 alan@redhat.com Merge to 2.0.x kernel tree
+ * 1/9/98 alan@lxorguk.ukuu.org.uk
+ * Merge to 2.0.x kernel tree
* Obtain and use official major/minors
* Loader switched to a misc device
* (fixed range check bug as a side effect)
* Printk clean up
- * 9/12/98 alan@redhat.com Rough port to 2.1.x
+ * 9/12/98 alan@lxorguk.ukuu.org.uk
+ * Rough port to 2.1.x
*
* 10/6/99 sameer Merged the ISA and PCI drivers to
* a new unified driver.
#include <linux/delay.h>
#include <linux/ioport.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
#include <asm/system.h>
#include <linux/pci.h>
unsigned short status;
unsigned short port_status; /* each bit for each port */
unsigned short shift_count;
- struct isi_port * ports;
+ struct isi_port *ports;
signed char count;
spinlock_t card_lock; /* Card wide lock 11/5/00 -sameer */
unsigned long flags;
struct isi_port {
unsigned short magic;
- unsigned int flags;
- int count;
- int blocked_open;
- int close_delay;
+ struct tty_port port;
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;
- unsigned char * xmit_buf;
+ struct isi_board *card;
+ unsigned char *xmit_buf;
int xmit_head;
int xmit_tail;
int xmit_cnt;
}
/* card->lock MUST NOT be held */
-static inline void raise_dtr_rts(struct isi_port *port)
+
+static void isicom_dtr_rts(struct tty_port *port, int on)
{
- struct isi_board *card = port->card;
+ struct isi_port *ip = container_of(port, struct isi_port, port);
+ struct isi_board *card = ip->card;
unsigned long base = card->base;
- u16 channel = port->channel;
+ u16 channel = ip->channel;
if (!lock_card(card))
return;
- outw(0x8000 | (channel << card->shift_count) | 0x02, base);
- outw(0x0f04, base);
- InterruptTheCard(base);
- port->status |= (ISI_DTR | ISI_RTS);
+ if (on) {
+ outw(0x8000 | (channel << card->shift_count) | 0x02, base);
+ outw(0x0f04, base);
+ InterruptTheCard(base);
+ ip->status |= (ISI_DTR | ISI_RTS);
+ } else {
+ outw(0x8000 | (channel << card->shift_count) | 0x02, base);
+ outw(0x0C04, base);
+ InterruptTheCard(base);
+ ip->status &= ~(ISI_DTR | ISI_RTS);
+ }
unlock_card(card);
}
/* find next active board */
card = (prev_card + 1) & 0x0003;
- while(count-- > 0) {
+ while (count-- > 0) {
if (isi_card[card].status & BOARD_ACTIVE)
break;
card = (card + 1) & 0x0003;
if (retries >= 100)
goto unlock;
- for (;count > 0;count--, port++) {
+ tty = tty_port_tty_get(&port->port);
+ if (tty == NULL)
+ goto put_unlock;
+
+ for (; count > 0; count--, port++) {
/* port not active or tx disabled to force flow control */
- if (!(port->flags & ASYNC_INITIALIZED) ||
+ if (!(port->port.flags & ASYNC_INITIALIZED) ||
!(port->status & ISI_TXOK))
continue;
- tty = port->tty;
-
- if (tty == NULL)
- continue;
-
txcount = min_t(short, TX_SIZE, port->xmit_cnt);
if (txcount <= 0 || tty->stopped || tty->hw_stopped)
continue;
if (residue == YES) {
residue = NO;
if (cnt > 0) {
- wrd |= (port->xmit_buf[port->xmit_tail]
+ wrd |= (port->port.xmit_buf[port->xmit_tail]
<< 8);
port->xmit_tail = (port->xmit_tail + 1)
& (SERIAL_XMIT_SIZE - 1);
break;
}
}
- if (cnt <= 0) break;
+ if (cnt <= 0)
+ break;
word_count = cnt >> 1;
- outsw(base, port->xmit_buf+port->xmit_tail,word_count);
+ outsw(base, port->port.xmit_buf+port->xmit_tail, word_count);
port->xmit_tail = (port->xmit_tail
+ (word_count << 1)) & (SERIAL_XMIT_SIZE - 1);
txcount -= (word_count << 1);
port->xmit_cnt -= (word_count << 1);
if (cnt & 0x0001) {
residue = YES;
- wrd = port->xmit_buf[port->xmit_tail];
+ wrd = port->port.xmit_buf[port->xmit_tail];
port->xmit_tail = (port->xmit_tail + 1)
& (SERIAL_XMIT_SIZE - 1);
port->xmit_cnt--;
tty_wakeup(tty);
}
+put_unlock:
+ tty_kref_put(tty);
unlock:
spin_unlock_irqrestore(&isi_card[card].card_lock, flags);
/* schedule another tx for hopefully in about 10ms */
return IRQ_HANDLED;
}
port = card->ports + channel;
- if (!(port->flags & ASYNC_INITIALIZED)) {
+ if (!(port->port.flags & ASYNC_INITIALIZED)) {
outw(0x0000, base+0x04); /* enable interrupts */
spin_unlock(&card->card_lock);
return IRQ_HANDLED;
}
- tty = port->tty;
+ tty = tty_port_tty_get(&port->port);
if (tty == NULL) {
word_count = byte_count >> 1;
- while(byte_count > 1) {
+ while (byte_count > 1) {
inw(base);
byte_count -= 2;
}
if (header & 0x8000) { /* Status Packet */
header = inw(base);
- switch(header & 0xff) {
+ switch (header & 0xff) {
case 0: /* Change in EIA signals */
- if (port->flags & ASYNC_CHECK_CD) {
+ if (port->port.flags & ASYNC_CHECK_CD) {
if (port->status & ISI_DCD) {
if (!(header & ISI_DCD)) {
/* Carrier has been lost */
/* Carrier has been detected */
pr_dbg("interrupt: DCD->high.\n");
port->status |= ISI_DCD;
- wake_up_interruptible(&port->open_wait);
+ wake_up_interruptible(&port->port.open_wait);
}
} else {
if (header & ISI_DCD)
port->status &= ~ISI_DCD;
}
- if (port->flags & ASYNC_CTS_FLOW) {
- if (port->tty->hw_stopped) {
+ if (port->port.flags & ASYNC_CTS_FLOW) {
+ if (tty->hw_stopped) {
if (header & ISI_CTS) {
- port->tty->hw_stopped = 0;
+ port->port.tty->hw_stopped = 0;
/* start tx ing */
port->status |= (ISI_TXOK
| ISI_CTS);
tty_wakeup(tty);
}
} else if (!(header & ISI_CTS)) {
- port->tty->hw_stopped = 1;
+ tty->hw_stopped = 1;
/* stop tx ing */
port->status &= ~(ISI_TXOK | ISI_CTS);
}
case 1: /* Received Break !!! */
tty_insert_flip_char(tty, 0, TTY_BREAK);
- if (port->flags & ASYNC_SAK)
+ if (port->port.flags & ASYNC_SAK)
do_SAK(tty);
tty_flip_buffer_push(tty);
break;
if (byte_count > 0) {
pr_dbg("Intr(0x%lx:%d): Flip buffer overflow! dropping "
"bytes...\n", base, channel + 1);
- while(byte_count > 0) { /* drain out unread xtra data */
+ /* drain out unread xtra data */
+ while (byte_count > 0) {
inw(base);
byte_count -= 2;
}
}
outw(0x0000, base+0x04); /* enable interrupts */
spin_unlock(&card->card_lock);
+ tty_kref_put(tty);
return IRQ_HANDLED;
}
-static void isicom_config_port(struct isi_port *port)
+static void isicom_config_port(struct tty_struct *tty)
{
+ struct isi_port *port = tty->driver_data;
struct isi_board *card = port->card;
- struct tty_struct *tty;
unsigned long baud;
unsigned long base = card->base;
u16 channel_setup, channel = port->channel,
shift_count = card->shift_count;
unsigned char flow_ctrl;
- if (!(tty = port->tty) || !tty->termios)
- return;
+ /* FIXME: Switch to new tty baud API */
baud = C_BAUD(tty);
if (baud & CBAUDEX) {
baud &= ~CBAUDEX;
/* 1,2,3,4 => 57.6, 115.2, 230, 460 kbps resp. */
if (baud < 1 || baud > 4)
- port->tty->termios->c_cflag &= ~CBAUDEX;
+ tty->termios->c_cflag &= ~CBAUDEX;
else
baud += 15;
}
* the 'setserial' utility.
*/
- if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
+ if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
baud++; /* 57.6 Kbps */
- if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
- baud +=2; /* 115 Kbps */
- if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
+ if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
+ baud += 2; /* 115 Kbps */
+ if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
baud += 3; /* 230 kbps*/
- if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
+ if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
baud += 4; /* 460 kbps*/
}
if (linuxb_to_isib[baud] == -1) {
/* hang up */
drop_dtr(port);
return;
- }
- else
+ } else
raise_dtr(port);
if (WaitTillCardIsFree(base) == 0) {
- outw(0x8000 | (channel << shift_count) |0x03, base);
+ outw(0x8000 | (channel << shift_count) | 0x03, base);
outw(linuxb_to_isib[baud] << 8 | 0x03, base);
channel_setup = 0;
- switch(C_CSIZE(tty)) {
+ switch (C_CSIZE(tty)) {
case CS5:
channel_setup |= ISICOM_CS5;
break;
InterruptTheCard(base);
}
if (C_CLOCAL(tty))
- port->flags &= ~ASYNC_CHECK_CD;
+ port->port.flags &= ~ASYNC_CHECK_CD;
else
- port->flags |= ASYNC_CHECK_CD;
+ port->port.flags |= ASYNC_CHECK_CD;
/* flow control settings ...*/
flow_ctrl = 0;
- port->flags &= ~ASYNC_CTS_FLOW;
+ port->port.flags &= ~ASYNC_CTS_FLOW;
if (C_CRTSCTS(tty)) {
- port->flags |= ASYNC_CTS_FLOW;
+ port->port.flags |= ASYNC_CTS_FLOW;
flow_ctrl |= ISICOM_CTSRTS;
}
if (I_IXON(tty))
flow_ctrl |= ISICOM_INITIATE_XONXOFF;
if (WaitTillCardIsFree(base) == 0) {
- outw(0x8000 | (channel << shift_count) |0x04, base);
+ outw(0x8000 | (channel << shift_count) | 0x04, base);
outw(flow_ctrl << 8 | 0x05, base);
outw((STOP_CHAR(tty)) << 8 | (START_CHAR(tty)), base);
InterruptTheCard(base);
spin_unlock_irqrestore(&bp->card_lock, flags);
}
-static int isicom_setup_port(struct isi_port *port)
+static int isicom_setup_port(struct tty_struct *tty)
{
+ struct isi_port *port = tty->driver_data;
struct isi_board *card = port->card;
unsigned long flags;
- if (port->flags & ASYNC_INITIALIZED) {
+ if (port->port.flags & ASYNC_INITIALIZED)
return 0;
- }
- if (!port->xmit_buf) {
- unsigned long page;
-
- if (!(page = get_zeroed_page(GFP_KERNEL)))
- return -ENOMEM;
-
- if (port->xmit_buf) {
- free_page(page);
- return -ERESTARTSYS;
- }
- port->xmit_buf = (unsigned char *) page;
- }
+ if (tty_port_alloc_xmit_buf(&port->port) < 0)
+ return -ENOMEM;
spin_lock_irqsave(&card->card_lock, flags);
- if (port->tty)
- clear_bit(TTY_IO_ERROR, &port->tty->flags);
- if (port->count == 1)
+ clear_bit(TTY_IO_ERROR, &tty->flags);
+ if (port->port.count == 1)
card->count++;
port->xmit_cnt = port->xmit_head = port->xmit_tail = 0;
InterruptTheCard(card->base);
}
- isicom_config_port(port);
- port->flags |= ASYNC_INITIALIZED;
+ isicom_config_port(tty);
+ port->port.flags |= ASYNC_INITIALIZED;
spin_unlock_irqrestore(&card->card_lock, flags);
return 0;
}
-static int block_til_ready(struct tty_struct *tty, struct file *filp,
- struct isi_port *port)
+static int isicom_carrier_raised(struct tty_port *port)
{
- struct isi_board *card = port->card;
- int do_clocal = 0, retval;
- unsigned long flags;
- DECLARE_WAITQUEUE(wait, current);
-
- /* block if port is in the process of being closed */
-
- if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) {
- pr_dbg("block_til_ready: close in progress.\n");
- interruptible_sleep_on(&port->close_wait);
- if (port->flags & ASYNC_HUP_NOTIFY)
- return -EAGAIN;
- else
- return -ERESTARTSYS;
- }
-
- /* if non-blocking mode is set ... */
-
- if ((filp->f_flags & O_NONBLOCK) ||
- (tty->flags & (1 << TTY_IO_ERROR))) {
- pr_dbg("block_til_ready: non-block mode.\n");
- port->flags |= ASYNC_NORMAL_ACTIVE;
- return 0;
- }
-
- if (C_CLOCAL(tty))
- do_clocal = 1;
-
- /* block waiting for DCD to be asserted, and while
- callout dev is busy */
- retval = 0;
- add_wait_queue(&port->open_wait, &wait);
-
- spin_lock_irqsave(&card->card_lock, flags);
- if (!tty_hung_up_p(filp))
- port->count--;
- port->blocked_open++;
- spin_unlock_irqrestore(&card->card_lock, flags);
-
- while (1) {
- raise_dtr_rts(port);
-
- set_current_state(TASK_INTERRUPTIBLE);
- if (tty_hung_up_p(filp) || !(port->flags & ASYNC_INITIALIZED)) {
- if (port->flags & ASYNC_HUP_NOTIFY)
- retval = -EAGAIN;
- else
- retval = -ERESTARTSYS;
- break;
- }
- if (!(port->flags & ASYNC_CLOSING) &&
- (do_clocal || (port->status & ISI_DCD))) {
- break;
- }
- if (signal_pending(current)) {
- retval = -ERESTARTSYS;
- break;
- }
- schedule();
- }
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&port->open_wait, &wait);
- spin_lock_irqsave(&card->card_lock, flags);
- if (!tty_hung_up_p(filp))
- port->count++;
- port->blocked_open--;
- spin_unlock_irqrestore(&card->card_lock, flags);
- if (retval)
- return retval;
- port->flags |= ASYNC_NORMAL_ACTIVE;
- return 0;
+ struct isi_port *ip = container_of(port, struct isi_port, port);
+ return (ip->status & ISI_DCD)?1 : 0;
}
static int isicom_open(struct tty_struct *tty, struct file *filp)
isicom_setup_board(card);
- port->count++;
+ /* FIXME: locking on port.count etc */
+ port->port.count++;
tty->driver_data = port;
- port->tty = tty;
- if ((error = isicom_setup_port(port))!=0)
- return error;
- if ((error = block_til_ready(tty, filp, port))!=0)
- return error;
-
- return 0;
+ tty_port_tty_set(&port->port, tty);
+ error = isicom_setup_port(tty);
+ if (error == 0)
+ error = tty_port_block_til_ready(&port->port, tty, filp);
+ return error;
}
/* close et all */
static inline void isicom_shutdown_board(struct isi_board *bp)
{
- if (bp->status & BOARD_ACTIVE) {
+ if (bp->status & BOARD_ACTIVE)
bp->status &= ~BOARD_ACTIVE;
- }
}
/* card->lock HAS to be held */
struct isi_board *card = port->card;
struct tty_struct *tty;
- tty = port->tty;
+ tty = tty_port_tty_get(&port->port);
- if (!(port->flags & ASYNC_INITIALIZED))
+ if (!(port->port.flags & ASYNC_INITIALIZED)) {
+ tty_kref_put(tty);
return;
-
- if (port->xmit_buf) {
- free_page((unsigned long) port->xmit_buf);
- port->xmit_buf = NULL;
}
- port->flags &= ~ASYNC_INITIALIZED;
+
+ tty_port_free_xmit_buf(&port->port);
+ port->port.flags &= ~ASYNC_INITIALIZED;
/* 3rd October 2000 : Vinayak P Risbud */
- port->tty = NULL;
+ tty_port_tty_set(&port->port, NULL);
/*Fix done by Anil .S on 30-04-2001
remote login through isi port has dtr toggle problem
if (!card->count)
isicom_shutdown_board(card);
}
+ tty_kref_put(tty);
}
static void isicom_flush_buffer(struct tty_struct *tty)
static void isicom_close(struct tty_struct *tty, struct file *filp)
{
- struct isi_port *port = tty->driver_data;
+ struct isi_port *ip = tty->driver_data;
+ struct tty_port *port = &ip->port;
struct isi_board *card;
unsigned long flags;
- if (!port)
- return;
- card = port->card;
- if (isicom_paranoia_check(port, tty->name, "isicom_close"))
- return;
+ BUG_ON(!ip);
- pr_dbg("Close start!!!.\n");
-
- spin_lock_irqsave(&card->card_lock, flags);
- if (tty_hung_up_p(filp)) {
- spin_unlock_irqrestore(&card->card_lock, flags);
+ card = ip->card;
+ if (isicom_paranoia_check(ip, tty->name, "isicom_close"))
return;
- }
-
- if (tty->count == 1 && port->count != 1) {
- printk(KERN_WARNING "ISICOM:(0x%lx) isicom_close: bad port "
- "count tty->count = 1 port count = %d.\n",
- card->base, port->count);
- port->count = 1;
- }
- if (--port->count < 0) {
- printk(KERN_WARNING "ISICOM:(0x%lx) isicom_close: bad port "
- "count for channel%d = %d", card->base, port->channel,
- port->count);
- port->count = 0;
- }
- if (port->count) {
- spin_unlock_irqrestore(&card->card_lock, flags);
- return;
- }
- port->flags |= ASYNC_CLOSING;
- tty->closing = 1;
- spin_unlock_irqrestore(&card->card_lock, flags);
-
- if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
- tty_wait_until_sent(tty, port->closing_wait);
/* indicate to the card that no more data can be received
on this port */
spin_lock_irqsave(&card->card_lock, flags);
if (port->flags & ASYNC_INITIALIZED) {
- card->port_status &= ~(1 << port->channel);
+ card->port_status &= ~(1 << ip->channel);
outw(card->port_status, card->base + 0x02);
}
- isicom_shutdown_port(port);
+ isicom_shutdown_port(ip);
spin_unlock_irqrestore(&card->card_lock, flags);
isicom_flush_buffer(tty);
- tty_ldisc_flush(tty);
-
- spin_lock_irqsave(&card->card_lock, flags);
- tty->closing = 0;
-
- if (port->blocked_open) {
- spin_unlock_irqrestore(&card->card_lock, flags);
- if (port->close_delay) {
- pr_dbg("scheduling until time out.\n");
- msleep_interruptible(
- jiffies_to_msecs(port->close_delay));
- }
- spin_lock_irqsave(&card->card_lock, flags);
- wake_up_interruptible(&port->open_wait);
- }
- port->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);
- wake_up_interruptible(&port->close_wait);
- spin_unlock_irqrestore(&card->card_lock, flags);
+
+ tty_port_close_end(port, tty);
}
/* write et all */
if (isicom_paranoia_check(port, tty->name, "isicom_write"))
return 0;
- if (!port->xmit_buf)
- return 0;
-
spin_lock_irqsave(&card->card_lock, flags);
- while(1) {
+ while (1) {
cnt = min_t(int, count, min(SERIAL_XMIT_SIZE - port->xmit_cnt
- 1, SERIAL_XMIT_SIZE - port->xmit_head));
if (cnt <= 0)
break;
- memcpy(port->xmit_buf + port->xmit_head, buf, cnt);
+ memcpy(port->port.xmit_buf + port->xmit_head, buf, cnt);
port->xmit_head = (port->xmit_head + cnt) & (SERIAL_XMIT_SIZE
- 1);
port->xmit_cnt += cnt;
}
/* put_char et all */
-static void isicom_put_char(struct tty_struct *tty, unsigned char ch)
+static int isicom_put_char(struct tty_struct *tty, unsigned char ch)
{
struct isi_port *port = tty->driver_data;
struct isi_board *card = port->card;
unsigned long flags;
if (isicom_paranoia_check(port, tty->name, "isicom_put_char"))
- return;
-
- if (!port->xmit_buf)
- return;
+ return 0;
spin_lock_irqsave(&card->card_lock, flags);
if (port->xmit_cnt >= SERIAL_XMIT_SIZE - 1) {
spin_unlock_irqrestore(&card->card_lock, flags);
- return;
+ return 0;
}
- port->xmit_buf[port->xmit_head++] = ch;
+ port->port.xmit_buf[port->xmit_head++] = ch;
port->xmit_head &= (SERIAL_XMIT_SIZE - 1);
port->xmit_cnt++;
spin_unlock_irqrestore(&card->card_lock, flags);
+ return 1;
}
/* flush_chars et all */
return;
if (port->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped ||
- !port->xmit_buf)
+ !port->port.xmit_buf)
return;
/* this tells the transmitter to consider this port for
}
/* ioctl et all */
-static inline void isicom_send_break(struct isi_port *port,
- unsigned long length)
+static int isicom_send_break(struct tty_struct *tty, int length)
{
+ struct isi_port *port = tty->driver_data;
struct isi_board *card = port->card;
unsigned long base = card->base;
+ if (length == -1)
+ return -EOPNOTSUPP;
+
if (!lock_card(card))
- return;
+ return -EINVAL;
outw(0x8000 | ((port->channel) << (card->shift_count)) | 0x3, base);
outw((length & 0xff) << 8 | 0x00, base);
InterruptTheCard(base);
unlock_card(card);
+ return 0;
}
static int isicom_tiocmget(struct tty_struct *tty, struct file *file)
return 0;
}
-static int isicom_set_serial_info(struct isi_port *port,
- struct serial_struct __user *info)
+static int isicom_set_serial_info(struct tty_struct *tty,
+ struct serial_struct __user *info)
{
+ struct isi_port *port = tty->driver_data;
struct serial_struct newinfo;
int reconfig_port;
lock_kernel();
- reconfig_port = ((port->flags & ASYNC_SPD_MASK) !=
+ reconfig_port = ((port->port.flags & ASYNC_SPD_MASK) !=
(newinfo.flags & ASYNC_SPD_MASK));
if (!capable(CAP_SYS_ADMIN)) {
- if ((newinfo.close_delay != port->close_delay) ||
- (newinfo.closing_wait != port->closing_wait) ||
+ if ((newinfo.close_delay != port->port.close_delay) ||
+ (newinfo.closing_wait != port->port.closing_wait) ||
((newinfo.flags & ~ASYNC_USR_MASK) !=
- (port->flags & ~ASYNC_USR_MASK))) {
+ (port->port.flags & ~ASYNC_USR_MASK))) {
unlock_kernel();
return -EPERM;
}
- port->flags = ((port->flags & ~ ASYNC_USR_MASK) |
+ port->port.flags = ((port->port.flags & ~ASYNC_USR_MASK) |
(newinfo.flags & ASYNC_USR_MASK));
- }
- else {
- port->close_delay = newinfo.close_delay;
- port->closing_wait = newinfo.closing_wait;
- port->flags = ((port->flags & ~ASYNC_FLAGS) |
+ } else {
+ port->port.close_delay = newinfo.close_delay;
+ port->port.closing_wait = newinfo.closing_wait;
+ port->port.flags = ((port->port.flags & ~ASYNC_FLAGS) |
(newinfo.flags & ASYNC_FLAGS));
}
if (reconfig_port) {
unsigned long flags;
spin_lock_irqsave(&port->card->card_lock, flags);
- isicom_config_port(port);
+ isicom_config_port(tty);
spin_unlock_irqrestore(&port->card->card_lock, flags);
}
unlock_kernel();
out_info.line = port - isi_ports;
out_info.port = port->card->base;
out_info.irq = port->card->irq;
- out_info.flags = port->flags;
+ out_info.flags = port->port.flags;
/* out_info.baud_base = ? */
- out_info.close_delay = port->close_delay;
- out_info.closing_wait = port->closing_wait;
+ out_info.close_delay = port->port.close_delay;
+ out_info.closing_wait = port->port.closing_wait;
unlock_kernel();
if (copy_to_user(info, &out_info, sizeof(out_info)))
return -EFAULT;
{
struct isi_port *port = tty->driver_data;
void __user *argp = (void __user *)arg;
- int retval;
if (isicom_paranoia_check(port, tty->name, "isicom_ioctl"))
return -ENODEV;
- switch(cmd) {
- case TCSBRK:
- retval = tty_check_change(tty);
- if (retval)
- return retval;
- tty_wait_until_sent(tty, 0);
- if (!arg)
- isicom_send_break(port, HZ/4);
- return 0;
-
- case TCSBRKP:
- retval = tty_check_change(tty);
- if (retval)
- return retval;
- tty_wait_until_sent(tty, 0);
- isicom_send_break(port, arg ? arg * (HZ/10) : HZ/4);
- return 0;
+ switch (cmd) {
case TIOCGSERIAL:
return isicom_get_serial_info(port, argp);
case TIOCSSERIAL:
- return isicom_set_serial_info(port, argp);
+ return isicom_set_serial_info(tty, argp);
default:
return -ENOIOCTLCMD;
return;
spin_lock_irqsave(&port->card->card_lock, flags);
- isicom_config_port(port);
+ isicom_config_port(tty);
spin_unlock_irqrestore(&port->card->card_lock, flags);
if ((old_termios->c_cflag & CRTSCTS) &&
isicom_shutdown_port(port);
spin_unlock_irqrestore(&port->card->card_lock, flags);
- port->count = 0;
- port->flags &= ~ASYNC_NORMAL_ACTIVE;
- port->tty = NULL;
- wake_up_interruptible(&port->open_wait);
+ tty_port_hangup(&port->port);
}
.flush_buffer = isicom_flush_buffer,
.tiocmget = isicom_tiocmget,
.tiocmset = isicom_tiocmset,
+ .break_ctl = isicom_send_break,
+};
+
+static const struct tty_port_operations isicom_port_ops = {
+ .carrier_raised = isicom_carrier_raised,
+ .dtr_rts = isicom_dtr_rts,
};
static int __devinit reset_card(struct pci_dev *pdev,
default:
dev_err(&pdev->dev, "Unknown signature.\n");
goto end;
- }
+ }
retval = request_firmware(&fw, name, &pdev->dev);
if (retval)
if (WaitTillCardIsFree(base))
goto errrelfw;
- if ((status = inw(base + 0x4)) != 0) {
+ status = inw(base + 0x4);
+ if (status != 0) {
dev_warn(&pdev->dev, "Card%d rejected load header:\n"
KERN_WARNING "Address:0x%x\n"
KERN_WARNING "Count:0x%x\n"
if (WaitTillCardIsFree(base))
goto errrelfw;
- if ((status = inw(base + 0x4)) != 0) {
+ status = inw(base + 0x4);
+ if (status != 0) {
dev_err(&pdev->dev, "Card%d got out of sync.Card "
"Status:0x%x\n", index + 1, status);
goto errrelfw;
}
- }
+ }
/* XXX: should we test it by reading it back and comparing with original like
* in load firmware package? */
if (WaitTillCardIsFree(base))
goto errrelfw;
- if ((status = inw(base + 0x4)) != 0) {
+ status = inw(base + 0x4);
+ if (status != 0) {
dev_warn(&pdev->dev, "Card%d rejected verify header:\n"
KERN_WARNING "Address:0x%x\n"
KERN_WARNING "Count:0x%x\n"
if (WaitTillCardIsFree(base))
goto errrelfw;
- if ((status = inw(base + 0x4)) != 0) {
+ status = inw(base + 0x4);
+ if (status != 0) {
dev_err(&pdev->dev, "Card%d verify got out of sync. "
"Card Status:0x%x\n", index + 1, status);
goto errrelfw;
if (card_count >= BOARD_COUNT)
goto err;
+ retval = pci_enable_device(pdev);
+ if (retval) {
+ dev_err(&pdev->dev, "failed to enable\n");
+ goto err;
+ }
+
dev_info(&pdev->dev, "ISI PCI Card(Device ID 0x%x)\n", ent->device);
/* allot the first empty slot in the array */
index + 1);
retval = -EBUSY;
goto errdec;
- }
+ }
retval = request_irq(board->irq, isicom_interrupt,
IRQF_SHARED | IRQF_DISABLED, ISICOM_NAME, board);
errdec:
board->base = 0;
card_count--;
+ pci_disable_device(pdev);
err:
return retval;
}
pci_release_region(pdev, 3);
board->base = 0;
card_count--;
+ pci_disable_device(pdev);
}
static int __init isicom_init(void)
int retval, idx, channel;
struct isi_port *port;
- for(idx = 0; idx < BOARD_COUNT; idx++) {
+ for (idx = 0; idx < BOARD_COUNT; idx++) {
port = &isi_ports[idx * 16];
isi_card[idx].ports = port;
spin_lock_init(&isi_card[idx].card_lock);
for (channel = 0; channel < 16; channel++, port++) {
+ tty_port_init(&port->port);
+ port->port.ops = &isicom_port_ops;
port->magic = ISICOM_MAGIC;
port->card = &isi_card[idx];
port->channel = channel;
- port->close_delay = 50 * HZ/100;
- port->closing_wait = 3000 * HZ/100;
+ port->port.close_delay = 50 * HZ/100;
+ port->port.closing_wait = 3000 * HZ/100;
port->status = 0;
- init_waitqueue_head(&port->open_wait);
- init_waitqueue_head(&port->close_wait);
/* . . . */
- }
+ }
isi_card[idx].base = 0;
isi_card[idx].irq = 0;
}
isicom_normal->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL |
CLOCAL;
isicom_normal->flags = TTY_DRIVER_REAL_RAW |
- TTY_DRIVER_DYNAMIC_DEV;
+ TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_HARDWARE_BREAK;
tty_set_operations(isicom_normal, &isicom_ops);
retval = tty_register_driver(isicom_normal);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff