/*
* stallion.c -- stallion multiport serial driver.
*
- * Copyright (C) 1996-1999 Stallion Technologies (support@stallion.oz.au).
+ * Copyright (C) 1996-1999 Stallion Technologies
* Copyright (C) 1994-1996 Greg Ungerer.
*
* This code is loosely based on the Linux serial driver, written by
static int stl_brdinit(stlbrd_t *brdp);
static int stl_initports(stlbrd_t *brdp, stlpanel_t *panelp);
static int stl_mapirq(int irq, char *name);
-static int stl_getserial(stlport_t *portp, struct serial_struct *sp);
-static int stl_setserial(stlport_t *portp, struct serial_struct *sp);
-static int stl_getbrdstats(combrd_t *bp);
-static int stl_getportstats(stlport_t *portp, comstats_t *cp);
-static int stl_clrportstats(stlport_t *portp, comstats_t *cp);
-static int stl_getportstruct(unsigned long arg);
-static int stl_getbrdstruct(unsigned long arg);
+static int stl_getserial(stlport_t *portp, struct serial_struct __user *sp);
+static int stl_setserial(stlport_t *portp, struct serial_struct __user *sp);
+static int stl_getbrdstats(combrd_t __user *bp);
+static int stl_getportstats(stlport_t *portp, comstats_t __user *cp);
+static int stl_clrportstats(stlport_t *portp, comstats_t __user *cp);
+static int stl_getportstruct(stlport_t __user *arg);
+static int stl_getbrdstruct(stlbrd_t __user *arg);
static int stl_waitcarrier(stlport_t *portp, struct file *filp);
static void stl_delay(int len);
static void stl_eiointr(stlbrd_t *brdp);
{
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("init_module()\n");
#endif
unsigned long flags;
int i, j, k;
-#if DEBUG
+#ifdef DEBUG
printk("cleanup_module()\n");
#endif
* Check for any arguments passed in on the module load command line.
*/
-static void stl_argbrds()
+static void stl_argbrds(void)
{
stlconf_t conf;
stlbrd_t *brdp;
int nrargs, i;
-#if DEBUG
+#ifdef DEBUG
printk("stl_argbrds()\n");
#endif
char *sp;
int nrbrdnames, i;
-#if DEBUG
+#ifdef DEBUG
printk("stl_parsebrd(confp=%x,argp=%x)\n", (int) confp, (int) argp);
#endif
* Allocate a new board structure. Fill out the basic info in it.
*/
-static stlbrd_t *stl_allocbrd()
+static stlbrd_t *stl_allocbrd(void)
{
stlbrd_t *brdp;
unsigned int minordev;
int brdnr, panelnr, portnr, rc;
-#if DEBUG
+#ifdef DEBUG
printk("stl_open(tty=%x,filp=%x): device=%s\n", (int) tty,
(int) filp, tty->name);
#endif
unsigned long flags;
int rc, doclocal;
-#if DEBUG
+#ifdef DEBUG
printk("stl_waitcarrier(portp=%x,filp=%x)\n", (int) portp, (int) filp);
#endif
stlport_t *portp;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_close(tty=%x,filp=%x)\n", (int) tty, (int) filp);
#endif
static void stl_delay(int len)
{
-#if DEBUG
+#ifdef DEBUG
printk("stl_delay(len=%d)\n", len);
#endif
if (len > 0) {
unsigned char *chbuf;
char *head, *tail;
-#if DEBUG
+#ifdef DEBUG
printk("stl_write(tty=%x,from_user=%d,buf=%x,count=%d)\n",
(int) tty, from_user, (int) buf, count);
#endif
unsigned int len;
char *head, *tail;
-#if DEBUG
+#ifdef DEBUG
printk("stl_putchar(tty=%x,ch=%x)\n", (int) tty, (int) ch);
#endif
{
stlport_t *portp;
-#if DEBUG
+#ifdef DEBUG
printk("stl_flushchars(tty=%x)\n", (int) tty);
#endif
stlport_t *portp;
char *head, *tail;
-#if DEBUG
+#ifdef DEBUG
printk("stl_writeroom(tty=%x)\n", (int) tty);
#endif
unsigned int size;
char *head, *tail;
-#if DEBUG
+#ifdef DEBUG
printk("stl_charsinbuffer(tty=%x)\n", (int) tty);
#endif
* Generate the serial struct info.
*/
-static int stl_getserial(stlport_t *portp, struct serial_struct *sp)
+static int stl_getserial(stlport_t *portp, struct serial_struct __user *sp)
{
struct serial_struct sio;
stlbrd_t *brdp;
-#if DEBUG
+#ifdef DEBUG
printk("stl_getserial(portp=%x,sp=%x)\n", (int) portp, (int) sp);
#endif
* just quietly ignore any requests to change irq, etc.
*/
-static int stl_setserial(stlport_t *portp, struct serial_struct *sp)
+static int stl_setserial(stlport_t *portp, struct serial_struct __user *sp)
{
struct serial_struct sio;
-#if DEBUG
+#ifdef DEBUG
printk("stl_setserial(portp=%x,sp=%x)\n", (int) portp, (int) sp);
#endif
stlport_t *portp;
unsigned int ival;
int rc;
+ void __user *argp = (void __user *)arg;
-#if DEBUG
+#ifdef DEBUG
printk("stl_ioctl(tty=%x,file=%x,cmd=%x,arg=%x)\n",
(int) tty, (int) file, cmd, (int) arg);
#endif
switch (cmd) {
case TIOCGSOFTCAR:
rc = put_user(((tty->termios->c_cflag & CLOCAL) ? 1 : 0),
- (unsigned int *) arg);
+ (unsigned __user *) argp);
break;
case TIOCSSOFTCAR:
- if ((rc = verify_area(VERIFY_READ, (void *) arg,
- sizeof(int))) == 0) {
- get_user(ival, (unsigned int *) arg);
- tty->termios->c_cflag =
+ if (get_user(ival, (unsigned int __user *) arg))
+ return -EFAULT;
+ tty->termios->c_cflag =
(tty->termios->c_cflag & ~CLOCAL) |
(ival ? CLOCAL : 0);
- }
break;
case TIOCGSERIAL:
- if ((rc = verify_area(VERIFY_WRITE, (void *) arg,
- sizeof(struct serial_struct))) == 0)
- rc = stl_getserial(portp, (struct serial_struct *) arg);
+ rc = stl_getserial(portp, argp);
break;
case TIOCSSERIAL:
- if ((rc = verify_area(VERIFY_READ, (void *) arg,
- sizeof(struct serial_struct))) == 0)
- rc = stl_setserial(portp, (struct serial_struct *) arg);
+ rc = stl_setserial(portp, argp);
break;
case COM_GETPORTSTATS:
- if ((rc = verify_area(VERIFY_WRITE, (void *) arg,
- sizeof(comstats_t))) == 0)
- rc = stl_getportstats(portp, (comstats_t *) arg);
+ rc = stl_getportstats(portp, argp);
break;
case COM_CLRPORTSTATS:
- if ((rc = verify_area(VERIFY_WRITE, (void *) arg,
- sizeof(comstats_t))) == 0)
- rc = stl_clrportstats(portp, (comstats_t *) arg);
+ rc = stl_clrportstats(portp, argp);
break;
case TIOCSERCONFIG:
case TIOCSERGWILD:
stlport_t *portp;
struct termios *tiosp;
-#if DEBUG
+#ifdef DEBUG
printk("stl_settermios(tty=%x,old=%x)\n", (int) tty, (int) old);
#endif
{
stlport_t *portp;
-#if DEBUG
+#ifdef DEBUG
printk("stl_throttle(tty=%x)\n", (int) tty);
#endif
{
stlport_t *portp;
-#if DEBUG
+#ifdef DEBUG
printk("stl_unthrottle(tty=%x)\n", (int) tty);
#endif
{
stlport_t *portp;
-#if DEBUG
+#ifdef DEBUG
printk("stl_stop(tty=%x)\n", (int) tty);
#endif
{
stlport_t *portp;
-#if DEBUG
+#ifdef DEBUG
printk("stl_start(tty=%x)\n", (int) tty);
#endif
{
stlport_t *portp;
-#if DEBUG
+#ifdef DEBUG
printk("stl_hangup(tty=%x)\n", (int) tty);
#endif
{
stlport_t *portp;
-#if DEBUG
+#ifdef DEBUG
printk("stl_flushbuffer(tty=%x)\n", (int) tty);
#endif
{
stlport_t *portp;
-#if DEBUG
+#ifdef DEBUG
printk("stl_breakctl(tty=%x,state=%d)\n", (int) tty, state);
#endif
stlport_t *portp;
unsigned long tend;
-#if DEBUG
+#ifdef DEBUG
printk("stl_waituntilsent(tty=%x,timeout=%d)\n", (int) tty, timeout);
#endif
{
stlport_t *portp;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sendxchar(tty=%x,ch=%x)\n", (int) tty, ch);
#endif
int curoff, maxoff;
char *pos;
-#if DEBUG
+#ifdef DEBUG
printk("stl_readproc(page=%x,start=%x,off=%x,count=%d,eof=%x,"
"data=%x\n", (int) page, (int) start, (int) off, count,
(int) eof, (int) data);
int i;
int handled = 0;
-#if DEBUG
+#ifdef DEBUG
printk("stl_intr(irq=%d,regs=%x)\n", irq, (int) regs);
#endif
portp = private;
-#if DEBUG
+#ifdef DEBUG
printk("stl_offintr(portp=%x)\n", (int) portp);
#endif
{
int rc, i;
-#if DEBUG
+#ifdef DEBUG
printk("stl_mapirq(irq=%d,name=%s)\n", irq, name);
#endif
stlport_t *portp;
int chipmask, i;
-#if DEBUG
+#ifdef DEBUG
printk("stl_initports(brdp=%x,panelp=%x)\n", (int) brdp, (int) panelp);
#endif
char *name;
int rc;
-#if DEBUG
+#ifdef DEBUG
printk("stl_initeio(brdp=%x)\n", (int) brdp);
#endif
int panelnr, banknr, i;
char *name;
-#if DEBUG
+#ifdef DEBUG
printk("stl_initech(brdp=%x)\n", (int) brdp);
#endif
{
int i;
-#if DEBUG
+#ifdef DEBUG
printk("stl_brdinit(brdp=%x)\n", (int) brdp);
#endif
* Find the next available board number that is free.
*/
-static inline int stl_getbrdnr()
+static inline int stl_getbrdnr(void)
{
int i;
{
stlbrd_t *brdp;
-#if DEBUG
+#ifdef DEBUG
printk("stl_initpcibrd(brdtype=%d,busnr=%x,devnr=%x)\n", brdtype,
devp->bus->number, devp->devfn);
#endif
* Different Stallion boards use the BAR registers in different ways,
* so set up io addresses based on board type.
*/
-#if DEBUG
+#ifdef DEBUG
printk("%s(%d): BAR[]=%x,%x,%x,%x IRQ=%x\n", __FILE__, __LINE__,
pci_resource_start(devp, 0), pci_resource_start(devp, 1),
pci_resource_start(devp, 2), pci_resource_start(devp, 3), devp->irq);
*/
-static inline int stl_findpcibrds()
+static inline int stl_findpcibrds(void)
{
struct pci_dev *dev = NULL;
int i, rc;
-#if DEBUG
+#ifdef DEBUG
printk("stl_findpcibrds()\n");
#endif
* since the initial search and setup is too different.
*/
-static inline int stl_initbrds()
+static inline int stl_initbrds(void)
{
stlbrd_t *brdp;
stlconf_t *confp;
int i;
-#if DEBUG
+#ifdef DEBUG
printk("stl_initbrds()\n");
#endif
* Return the board stats structure to user app.
*/
-static int stl_getbrdstats(combrd_t *bp)
+static int stl_getbrdstats(combrd_t __user *bp)
{
stlbrd_t *brdp;
stlpanel_t *panelp;
* what port to get stats for (used through board control device).
*/
-static int stl_getportstats(stlport_t *portp, comstats_t *cp)
+static int stl_getportstats(stlport_t *portp, comstats_t __user *cp)
{
unsigned char *head, *tail;
unsigned long flags;
- if (portp == (stlport_t *) NULL) {
+ if (!portp) {
if (copy_from_user(&stl_comstats, cp, sizeof(comstats_t)))
return -EFAULT;
portp = stl_getport(stl_comstats.brd, stl_comstats.panel,
* Clear the port stats structure. We also return it zeroed out...
*/
-static int stl_clrportstats(stlport_t *portp, comstats_t *cp)
+static int stl_clrportstats(stlport_t *portp, comstats_t __user *cp)
{
- if (portp == (stlport_t *) NULL) {
+ if (!portp) {
if (copy_from_user(&stl_comstats, cp, sizeof(comstats_t)))
return -EFAULT;
portp = stl_getport(stl_comstats.brd, stl_comstats.panel,
* Return the entire driver ports structure to a user app.
*/
-static int stl_getportstruct(unsigned long arg)
+static int stl_getportstruct(stlport_t __user *arg)
{
stlport_t *portp;
- if (copy_from_user(&stl_dummyport, (void *) arg, sizeof(stlport_t)))
+ if (copy_from_user(&stl_dummyport, arg, sizeof(stlport_t)))
return -EFAULT;
portp = stl_getport(stl_dummyport.brdnr, stl_dummyport.panelnr,
stl_dummyport.portnr);
- if (portp == (stlport_t *) NULL)
- return(-ENODEV);
- return copy_to_user((void *)arg, portp,
- sizeof(stlport_t)) ? -EFAULT : 0;
+ if (!portp)
+ return -ENODEV;
+ return copy_to_user(arg, portp, sizeof(stlport_t)) ? -EFAULT : 0;
}
/*****************************************************************************/
* Return the entire driver board structure to a user app.
*/
-static int stl_getbrdstruct(unsigned long arg)
+static int stl_getbrdstruct(stlbrd_t __user *arg)
{
stlbrd_t *brdp;
- if (copy_from_user(&stl_dummybrd, (void *) arg, sizeof(stlbrd_t)))
+ if (copy_from_user(&stl_dummybrd, arg, sizeof(stlbrd_t)))
return -EFAULT;
if ((stl_dummybrd.brdnr < 0) || (stl_dummybrd.brdnr >= STL_MAXBRDS))
- return(-ENODEV);
+ return -ENODEV;
brdp = stl_brds[stl_dummybrd.brdnr];
- if (brdp == (stlbrd_t *) NULL)
+ if (!brdp)
return(-ENODEV);
- return copy_to_user((void *)arg, brdp, sizeof(stlbrd_t)) ? -EFAULT : 0;
+ return copy_to_user(arg, brdp, sizeof(stlbrd_t)) ? -EFAULT : 0;
}
/*****************************************************************************/
static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, unsigned long arg)
{
int brdnr, rc;
+ void __user *argp = (void __user *)arg;
-#if DEBUG
+#ifdef DEBUG
printk("stl_memioctl(ip=%x,fp=%x,cmd=%x,arg=%x)\n", (int) ip,
(int) fp, cmd, (int) arg);
#endif
switch (cmd) {
case COM_GETPORTSTATS:
- if ((rc = verify_area(VERIFY_WRITE, (void *) arg,
- sizeof(comstats_t))) == 0)
- rc = stl_getportstats((stlport_t *) NULL,
- (comstats_t *) arg);
+ rc = stl_getportstats(NULL, argp);
break;
case COM_CLRPORTSTATS:
- if ((rc = verify_area(VERIFY_WRITE, (void *) arg,
- sizeof(comstats_t))) == 0)
- rc = stl_clrportstats((stlport_t *) NULL,
- (comstats_t *) arg);
+ rc = stl_clrportstats(NULL, argp);
break;
case COM_GETBRDSTATS:
- if ((rc = verify_area(VERIFY_WRITE, (void *) arg,
- sizeof(combrd_t))) == 0)
- rc = stl_getbrdstats((combrd_t *) arg);
+ rc = stl_getbrdstats(argp);
break;
case COM_READPORT:
- if ((rc = verify_area(VERIFY_WRITE, (void *) arg,
- sizeof(stlport_t))) == 0)
- rc = stl_getportstruct(arg);
+ rc = stl_getportstruct(argp);
break;
case COM_READBOARD:
- if ((rc = verify_area(VERIFY_WRITE, (void *) arg,
- sizeof(stlbrd_t))) == 0)
- rc = stl_getbrdstruct(arg);
+ rc = stl_getbrdstruct(argp);
break;
default:
rc = -ENOIOCTLCMD;
int chipmask, i, j;
int nrchips, uartaddr, ioaddr;
-#if DEBUG
+#ifdef DEBUG
printk("stl_panelinit(brdp=%x,panelp=%x)\n", (int) brdp, (int) panelp);
#endif
static void stl_cd1400portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *portp)
{
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400portinit(brdp=%x,panelp=%x,portp=%x)\n",
(int) brdp, (int) panelp, (int) portp);
#endif
* them all up.
*/
-#if DEBUG
+#ifdef DEBUG
printk("SETPORT: portnr=%d panelnr=%d brdnr=%d\n",
portp->portnr, portp->panelnr, portp->brdnr);
printk(" cor1=%x cor2=%x cor3=%x cor4=%x cor5=%x\n",
unsigned char msvr1, msvr2;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400setsignals(portp=%x,dtr=%d,rts=%d)\n",
(int) portp, dtr, rts);
#endif
unsigned long flags;
int sigs;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400getsignals(portp=%x)\n", (int) portp);
#endif
unsigned char ccr;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400enablerxtx(portp=%x,rx=%d,tx=%d)\n",
(int) portp, rx, tx);
#endif
unsigned char sreron, sreroff;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400startrxtx(portp=%x,rx=%d,tx=%d)\n",
(int) portp, rx, tx);
#endif
{
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400disableintrs(portp=%x)\n", (int) portp);
#endif
save_flags(flags);
{
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400sendbreak(portp=%x,len=%d)\n", (int) portp, len);
#endif
struct tty_struct *tty;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400flowctrl(portp=%x,state=%x)\n", (int) portp, state);
#endif
struct tty_struct *tty;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400sendflow(portp=%x,state=%x)\n", (int) portp, state);
#endif
{
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400flush(portp=%x)\n", (int) portp);
#endif
static int stl_cd1400datastate(stlport_t *portp)
{
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400datastate(portp=%x)\n", (int) portp);
#endif
{
unsigned char svrtype;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400eiointr(panelp=%x,iobase=%x)\n",
(int) panelp, iobase);
#endif
{
unsigned char svrtype;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400echintr(panelp=%x,iobase=%x)\n", (int) panelp,
iobase);
#endif
char *head, *tail;
unsigned char ioack, srer;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400txisr(panelp=%x,ioaddr=%x)\n", (int) panelp, ioaddr);
#endif
unsigned char status;
char ch;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400rxisr(panelp=%x,ioaddr=%x)\n", (int) panelp, ioaddr);
#endif
unsigned int ioack;
unsigned char misr;
-#if DEBUG
+#ifdef DEBUG
printk("stl_cd1400mdmisr(panelp=%x)\n", (int) panelp);
#endif
int chipmask, i;
int nrchips, ioaddr;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198panelinit(brdp=%x,panelp=%x)\n",
(int) brdp, (int) panelp);
#endif
static void stl_sc26198portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *portp)
{
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198portinit(brdp=%x,panelp=%x,portp=%x)\n",
(int) brdp, (int) panelp, (int) portp);
#endif
* them all up.
*/
-#if DEBUG
+#ifdef DEBUG
printk("SETPORT: portnr=%d panelnr=%d brdnr=%d\n",
portp->portnr, portp->panelnr, portp->brdnr);
printk(" mr0=%x mr1=%x mr2=%x clk=%x\n", mr0, mr1, mr2, clk);
unsigned char iopioron, iopioroff;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198setsignals(portp=%x,dtr=%d,rts=%d)\n",
(int) portp, dtr, rts);
#endif
unsigned long flags;
int sigs;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198getsignals(portp=%x)\n", (int) portp);
#endif
unsigned char ccr;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198enablerxtx(portp=%x,rx=%d,tx=%d)\n",
(int) portp, rx, tx);
#endif
unsigned char imr;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198startrxtx(portp=%x,rx=%d,tx=%d)\n",
(int) portp, rx, tx);
#endif
{
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198disableintrs(portp=%x)\n", (int) portp);
#endif
{
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198sendbreak(portp=%x,len=%d)\n", (int) portp, len);
#endif
unsigned long flags;
unsigned char mr0;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198flowctrl(portp=%x,state=%x)\n", (int) portp, state);
#endif
unsigned long flags;
unsigned char mr0;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198sendflow(portp=%x,state=%x)\n", (int) portp, state);
#endif
{
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198flush(portp=%x)\n", (int) portp);
#endif
unsigned long flags;
unsigned char sr;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198datastate(portp=%x)\n", (int) portp);
#endif
{
int i;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198wait(portp=%x)\n", (int) portp);
#endif
int len, stlen;
char *head, *tail;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198txisr(portp=%x)\n", (int) portp);
#endif
struct tty_struct *tty;
unsigned int len, buflen, ioaddr;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198rxisr(portp=%x,iack=%x)\n", (int) portp, iack);
#endif
{
unsigned char cir, ipr, xisr;
-#if DEBUG
+#ifdef DEBUG
printk("stl_sc26198otherisr(portp=%x,iack=%x)\n", (int) portp, iack);
#endif
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