/*****************************************************************************/
#include <linux/module.h>
+#include <linux/sched.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/serial.h>
+#include <linux/seq_file.h>
#include <linux/cdk.h>
#include <linux/comstats.h>
#include <linux/istallion.h>
static void stli_waituntilsent(struct tty_struct *tty, int timeout);
static void stli_sendxchar(struct tty_struct *tty, char ch);
static void stli_hangup(struct tty_struct *tty);
-static int stli_portinfo(struct stlibrd *brdp, struct stliport *portp, int portnr, char *pos);
static int stli_brdinit(struct stlibrd *brdp);
static int stli_startbrd(struct stlibrd *brdp);
break;
}
if (i == ARRAY_SIZE(stli_brdstr)) {
- printk("STALLION: unknown board name, %s?\n", argp[0]);
+ printk(KERN_WARNING "istallion: unknown board name, %s?\n", argp[0]);
return 0;
}
return;
port = &portp->port;
- spin_lock_irqsave(&port->lock, flags);
- if (tty_hung_up_p(filp)) {
- spin_unlock_irqrestore(&port->lock, flags);
- return;
- }
- if (tty->count == 1 && port->count != 1)
- port->count = 1;
- if (port->count-- > 1) {
- spin_unlock_irqrestore(&port->lock, flags);
+ if (tty_port_close_start(port, tty, filp) == 0)
return;
- }
-
- port->flags |= ASYNC_CLOSING;
- tty->closing = 1;
- spin_unlock_irqrestore(&port->lock, flags);
/*
* May want to wait for data to drain before closing. The BUSY flag
stli_flushchars(tty);
spin_unlock_irqrestore(&stli_lock, flags);
+ /* We end up doing this twice for the moment. This needs looking at
+ eventually. Note we still use portp->closing_wait as a result */
if (portp->closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, portp->closing_wait);
set_bit(ST_DOFLUSHRX, &portp->state);
stli_flushbuffer(tty);
- tty->closing = 0;
- tty_port_tty_set(&portp->port, NULL);
-
- if (port->blocked_open) {
- if (portp->close_delay)
- msleep_interruptible(jiffies_to_msecs(portp->close_delay));
- wake_up_interruptible(&port->open_wait);
- }
-
- port->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
- wake_up_interruptible(&port->close_wait);
+ tty_port_close_end(port, tty);
+ tty_port_tty_set(port, NULL);
}
/*****************************************************************************/
return (portp->sigs & TIOCM_CD) ? 1 : 0;
}
-static void stli_raise_dtr_rts(struct tty_port *port)
+static void stli_dtr_rts(struct tty_port *port, int on)
{
struct stliport *portp = container_of(port, struct stliport, port);
struct stlibrd *brdp = stli_brds[portp->brdnr];
- stli_mkasysigs(&portp->asig, 1, 1);
+ stli_mkasysigs(&portp->asig, on, on);
if (stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
sizeof(asysigs_t), 0) < 0)
- printk(KERN_WARNING "istallion: dtr raise failed.\n");
+ printk(KERN_WARNING "istallion: dtr set failed.\n");
}
sio.irq = 0;
sio.flags = portp->port.flags;
sio.baud_base = portp->baud_base;
- sio.close_delay = portp->close_delay;
+ sio.close_delay = portp->port.close_delay;
sio.closing_wait = portp->closing_wait;
sio.custom_divisor = portp->custom_divisor;
sio.xmit_fifo_size = 0;
return -EFAULT;
if (!capable(CAP_SYS_ADMIN)) {
if ((sio.baud_base != portp->baud_base) ||
- (sio.close_delay != portp->close_delay) ||
+ (sio.close_delay != portp->port.close_delay) ||
((sio.flags & ~ASYNC_USR_MASK) !=
(portp->port.flags & ~ASYNC_USR_MASK)))
return -EPERM;
portp->port.flags = (portp->port.flags & ~ASYNC_USR_MASK) |
(sio.flags & ASYNC_USR_MASK);
portp->baud_base = sio.baud_base;
- portp->close_delay = sio.close_delay;
+ portp->port.close_delay = sio.close_delay;
portp->closing_wait = sio.closing_wait;
portp->custom_divisor = sio.custom_divisor;
stli_cmdwait(brdp, portp, A_PORTCTRL, &actrl, sizeof(asyctrl_t), 0);
}
-/*****************************************************************************/
-
-#define MAXLINE 80
-
-/*
- * Format info for a specified port. The line is deliberately limited
- * to 80 characters. (If it is too long it will be truncated, if too
- * short then padded with spaces).
- */
-
-static int stli_portinfo(struct stlibrd *brdp, struct stliport *portp, int portnr, char *pos)
+static void stli_portinfo(struct seq_file *m, struct stlibrd *brdp, struct stliport *portp, int portnr)
{
- char *sp, *uart;
- int rc, cnt;
+ char *uart;
+ int rc;
rc = stli_portcmdstats(NULL, portp);
default:uart = "CD1400"; break;
}
}
-
- sp = pos;
- sp += sprintf(sp, "%d: uart:%s ", portnr, uart);
+ seq_printf(m, "%d: uart:%s ", portnr, uart);
if ((brdp->state & BST_STARTED) && (rc >= 0)) {
- sp += sprintf(sp, "tx:%d rx:%d", (int) stli_comstats.txtotal,
+ char sep;
+
+ seq_printf(m, "tx:%d rx:%d", (int) stli_comstats.txtotal,
(int) stli_comstats.rxtotal);
if (stli_comstats.rxframing)
- sp += sprintf(sp, " fe:%d",
+ seq_printf(m, " fe:%d",
(int) stli_comstats.rxframing);
if (stli_comstats.rxparity)
- sp += sprintf(sp, " pe:%d",
+ seq_printf(m, " pe:%d",
(int) stli_comstats.rxparity);
if (stli_comstats.rxbreaks)
- sp += sprintf(sp, " brk:%d",
+ seq_printf(m, " brk:%d",
(int) stli_comstats.rxbreaks);
if (stli_comstats.rxoverrun)
- sp += sprintf(sp, " oe:%d",
+ seq_printf(m, " oe:%d",
(int) stli_comstats.rxoverrun);
- cnt = sprintf(sp, "%s%s%s%s%s ",
- (stli_comstats.signals & TIOCM_RTS) ? "|RTS" : "",
- (stli_comstats.signals & TIOCM_CTS) ? "|CTS" : "",
- (stli_comstats.signals & TIOCM_DTR) ? "|DTR" : "",
- (stli_comstats.signals & TIOCM_CD) ? "|DCD" : "",
- (stli_comstats.signals & TIOCM_DSR) ? "|DSR" : "");
- *sp = ' ';
- sp += cnt;
+ sep = ' ';
+ if (stli_comstats.signals & TIOCM_RTS) {
+ seq_printf(m, "%c%s", sep, "RTS");
+ sep = '|';
+ }
+ if (stli_comstats.signals & TIOCM_CTS) {
+ seq_printf(m, "%c%s", sep, "CTS");
+ sep = '|';
+ }
+ if (stli_comstats.signals & TIOCM_DTR) {
+ seq_printf(m, "%c%s", sep, "DTR");
+ sep = '|';
+ }
+ if (stli_comstats.signals & TIOCM_CD) {
+ seq_printf(m, "%c%s", sep, "DCD");
+ sep = '|';
+ }
+ if (stli_comstats.signals & TIOCM_DSR) {
+ seq_printf(m, "%c%s", sep, "DSR");
+ sep = '|';
+ }
}
-
- for (cnt = (sp - pos); (cnt < (MAXLINE - 1)); cnt++)
- *sp++ = ' ';
- if (cnt >= MAXLINE)
- pos[(MAXLINE - 2)] = '+';
- pos[(MAXLINE - 1)] = '\n';
-
- return(MAXLINE);
+ seq_putc(m, '\n');
}
/*****************************************************************************/
* Port info, read from the /proc file system.
*/
-static int stli_readproc(char *page, char **start, off_t off, int count, int *eof, void *data)
+static int stli_proc_show(struct seq_file *m, void *v)
{
struct stlibrd *brdp;
struct stliport *portp;
unsigned int brdnr, portnr, totalport;
- int curoff, maxoff;
- char *pos;
- pos = page;
totalport = 0;
- curoff = 0;
-
- if (off == 0) {
- pos += sprintf(pos, "%s: version %s", stli_drvtitle,
- stli_drvversion);
- while (pos < (page + MAXLINE - 1))
- *pos++ = ' ';
- *pos++ = '\n';
- }
- curoff = MAXLINE;
+
+ seq_printf(m, "%s: version %s\n", stli_drvtitle, stli_drvversion);
/*
* We scan through for each board, panel and port. The offset is
if (brdp->state == 0)
continue;
- maxoff = curoff + (brdp->nrports * MAXLINE);
- if (off >= maxoff) {
- curoff = maxoff;
- continue;
- }
-
totalport = brdnr * STL_MAXPORTS;
for (portnr = 0; (portnr < brdp->nrports); portnr++,
totalport++) {
portp = brdp->ports[portnr];
if (portp == NULL)
continue;
- if (off >= (curoff += MAXLINE))
- continue;
- if ((pos - page + MAXLINE) > count)
- goto stli_readdone;
- pos += stli_portinfo(brdp, portp, totalport, pos);
+ stli_portinfo(m, brdp, portp, totalport);
}
}
+ return 0;
+}
- *eof = 1;
-
-stli_readdone:
- *start = page;
- return(pos - page);
+static int stli_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, stli_proc_show, NULL);
}
+static const struct file_operations stli_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = stli_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
/*****************************************************************************/
/*
unsigned char __iomem *bits;
if (test_bit(ST_CMDING, &portp->state)) {
- printk(KERN_ERR "STALLION: command already busy, cmd=%x!\n",
+ printk(KERN_ERR "istallion: command already busy, cmd=%x!\n",
(int) cmd);
return;
}
for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) {
portp = kzalloc(sizeof(struct stliport), GFP_KERNEL);
if (!portp) {
- printk("STALLION: failed to allocate port structure\n");
+ printk(KERN_WARNING "istallion: failed to allocate port structure\n");
continue;
}
tty_port_init(&portp->port);
portp->brdnr = brdp->brdnr;
portp->panelnr = panelnr;
portp->baud_base = STL_BAUDBASE;
- portp->close_delay = STL_CLOSEDELAY;
+ portp->port.close_delay = STL_CLOSEDELAY;
portp->closing_wait = 30 * HZ;
init_waitqueue_head(&portp->port.open_wait);
init_waitqueue_head(&portp->port.close_wait);
unsigned char val;
if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
+ printk(KERN_ERR "istallion: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
ptr = NULL;
unsigned char val;
if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
+ printk(KERN_ERR "istallion: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
ptr = NULL;
unsigned char val;
if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
+ printk(KERN_ERR "istallion: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
ptr = NULL;
unsigned char val;
if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
+ printk(KERN_ERR "istallion: shared memory pointer=%x out of "
"range at line=%d(%d), board=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
ptr = NULL;
void __iomem *ptr;
if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
+ printk(KERN_ERR "istallion: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
ptr = NULL;
unsigned char val;
if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
+ printk(KERN_ERR "istallion: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
ptr = NULL;
#endif
if (nrdevs < (brdp->nrports + 1)) {
- printk(KERN_ERR "STALLION: slave failed to allocate memory for "
+ printk(KERN_ERR "istallion: slave failed to allocate memory for "
"all devices, devices=%d\n", nrdevs);
brdp->nrports = nrdevs - 1;
}
brdp->bitsize = (nrdevs + 7) / 8;
memoff = readl(&hdrp->memp);
if (memoff > brdp->memsize) {
- printk(KERN_ERR "STALLION: corrupted shared memory region?\n");
+ printk(KERN_ERR "istallion: corrupted shared memory region?\n");
rc = -EIO;
goto stli_donestartup;
}
memp = (cdkmem_t __iomem *) EBRDGETMEMPTR(brdp, memoff);
if (readw(&memp->dtype) != TYP_ASYNCTRL) {
- printk(KERN_ERR "STALLION: no slave control device found\n");
+ printk(KERN_ERR "istallion: no slave control device found\n");
goto stli_donestartup;
}
memp++;
retval = stli_initonb(brdp);
break;
default:
- printk(KERN_ERR "STALLION: board=%d is unknown board "
+ printk(KERN_ERR "istallion: board=%d is unknown board "
"type=%d\n", brdp->brdnr, brdp->brdtype);
retval = -ENODEV;
}
return retval;
stli_initports(brdp);
- printk(KERN_INFO "STALLION: %s found, board=%d io=%x mem=%x "
+ printk(KERN_INFO "istallion: %s found, board=%d io=%x mem=%x "
"nrpanels=%d nrports=%d\n", stli_brdnames[brdp->brdtype],
brdp->brdnr, brdp->iobase, (int) brdp->memaddr,
brdp->nrpanels, brdp->nrports);
if (! foundit) {
brdp->memaddr = 0;
brdp->membase = NULL;
- printk(KERN_ERR "STALLION: failed to probe shared memory "
+ printk(KERN_ERR "istallion: failed to probe shared memory "
"region for %s in EISA slot=%d\n",
stli_brdnames[brdp->brdtype], (brdp->iobase >> 12));
return -ENODEV;
mutex_lock(&stli_brdslock);
brdnr = stli_getbrdnr();
if (brdnr < 0) {
- printk(KERN_INFO "STALLION: too many boards found, "
+ printk(KERN_INFO "istallion: too many boards found, "
"maximum supported %d\n", STL_MAXBRDS);
mutex_unlock(&stli_brdslock);
retval = -EIO;
return retval;
}
-static void stli_pciremove(struct pci_dev *pdev)
+static void __devexit stli_pciremove(struct pci_dev *pdev)
{
struct stlibrd *brdp = pci_get_drvdata(pdev);
brdp = kzalloc(sizeof(struct stlibrd), GFP_KERNEL);
if (!brdp) {
- printk(KERN_ERR "STALLION: failed to allocate memory "
+ printk(KERN_ERR "istallion: failed to allocate memory "
"(size=%Zd)\n", sizeof(struct stlibrd));
return NULL;
}
.break_ctl = stli_breakctl,
.wait_until_sent = stli_waituntilsent,
.send_xchar = stli_sendxchar,
- .read_proc = stli_readproc,
.tiocmget = stli_tiocmget,
.tiocmset = stli_tiocmset,
+ .proc_fops = &stli_proc_fops,
};
static const struct tty_port_operations stli_port_ops = {
.carrier_raised = stli_carrier_raised,
- .raise_dtr_rts = stli_raise_dtr_rts,
+ .dtr_rts = stli_dtr_rts,
};
/*****************************************************************************/
stli_txcookbuf = kmalloc(STLI_TXBUFSIZE, GFP_KERNEL);
if (!stli_txcookbuf) {
- printk(KERN_ERR "STALLION: failed to allocate memory "
+ printk(KERN_ERR "istallion: failed to allocate memory "
"(size=%d)\n", STLI_TXBUFSIZE);
retval = -ENOMEM;
goto err;
retval = tty_register_driver(stli_serial);
if (retval) {
- printk(KERN_ERR "STALLION: failed to register serial driver\n");
+ printk(KERN_ERR "istallion: failed to register serial driver\n");
goto err_ttyput;
}
*/
retval = register_chrdev(STL_SIOMEMMAJOR, "staliomem", &stli_fsiomem);
if (retval) {
- printk(KERN_ERR "STALLION: failed to register serial memory "
+ printk(KERN_ERR "istallion: failed to register serial memory "
"device\n");
goto err_deinit;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff