*/
/****** Defines ******/
-#ifdef PCI_NUM_RESOURCES
-#define PCI_BASE_ADDRESS(dev, r) ((dev)->resource[r].start)
-#else
-#define PCI_BASE_ADDRESS(dev, r) ((dev)->base_address[r])
-#endif
-
#define ROCKET_PARANOIA_CHECK
#define ROCKET_DISABLE_SIMUSAGE
/****** Kernel includes ******/
-#ifdef MODVERSIONS
-#include <config/modversions.h>
-#endif
-
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/major.h>
#include <linux/tty.h>
#include <linux/tty_driver.h>
#include <linux/tty_flip.h>
+#include <linux/serial.h>
+#include <linux/smp_lock.h>
#include <linux/string.h>
#include <linux/fcntl.h>
#include <linux/ptrace.h>
+#include <linux/mutex.h>
#include <linux/ioport.h>
#include <linux/delay.h>
+#include <linux/completion.h>
#include <linux/wait.h>
#include <linux/pci.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm/atomic.h>
+#include <asm/unaligned.h>
#include <linux/bitops.h>
#include <linux/spinlock.h>
-#include <asm/semaphore.h>
#include <linux/init.h>
/****** RocketPort includes ******/
/****** RocketPort Local Variables ******/
+static void rp_do_poll(unsigned long dummy);
+
static struct tty_driver *rocket_driver;
static struct rocket_version driver_version = {
static unsigned int xmit_flags[NUM_BOARDS]; /* Bit significant, indicates port had data to transmit. */
/* eg. Bit 0 indicates port 0 has xmit data, ... */
static atomic_t rp_num_ports_open; /* Number of serial ports open */
-static struct timer_list rocket_timer;
+static DEFINE_TIMER(rocket_timer, rp_do_poll, 0, 0);
static unsigned long board1; /* ISA addresses, retrieved from rocketport.conf */
static unsigned long board2;
static int is_PCI[NUM_BOARDS];
static rocketModel_t rocketModel[NUM_BOARDS];
static int max_board;
+static const struct tty_port_operations rocket_port_ops;
/*
* The following arrays define the interrupt bits corresponding to each AIOP.
UPCI_AIOP_INTR_BIT_3
};
+static Byte_t RData[RDATASIZE] = {
+ 0x00, 0x09, 0xf6, 0x82,
+ 0x02, 0x09, 0x86, 0xfb,
+ 0x04, 0x09, 0x00, 0x0a,
+ 0x06, 0x09, 0x01, 0x0a,
+ 0x08, 0x09, 0x8a, 0x13,
+ 0x0a, 0x09, 0xc5, 0x11,
+ 0x0c, 0x09, 0x86, 0x85,
+ 0x0e, 0x09, 0x20, 0x0a,
+ 0x10, 0x09, 0x21, 0x0a,
+ 0x12, 0x09, 0x41, 0xff,
+ 0x14, 0x09, 0x82, 0x00,
+ 0x16, 0x09, 0x82, 0x7b,
+ 0x18, 0x09, 0x8a, 0x7d,
+ 0x1a, 0x09, 0x88, 0x81,
+ 0x1c, 0x09, 0x86, 0x7a,
+ 0x1e, 0x09, 0x84, 0x81,
+ 0x20, 0x09, 0x82, 0x7c,
+ 0x22, 0x09, 0x0a, 0x0a
+};
+
+static Byte_t RRegData[RREGDATASIZE] = {
+ 0x00, 0x09, 0xf6, 0x82, /* 00: Stop Rx processor */
+ 0x08, 0x09, 0x8a, 0x13, /* 04: Tx software flow control */
+ 0x0a, 0x09, 0xc5, 0x11, /* 08: XON char */
+ 0x0c, 0x09, 0x86, 0x85, /* 0c: XANY */
+ 0x12, 0x09, 0x41, 0xff, /* 10: Rx mask char */
+ 0x14, 0x09, 0x82, 0x00, /* 14: Compare/Ignore #0 */
+ 0x16, 0x09, 0x82, 0x7b, /* 18: Compare #1 */
+ 0x18, 0x09, 0x8a, 0x7d, /* 1c: Compare #2 */
+ 0x1a, 0x09, 0x88, 0x81, /* 20: Interrupt #1 */
+ 0x1c, 0x09, 0x86, 0x7a, /* 24: Ignore/Replace #1 */
+ 0x1e, 0x09, 0x84, 0x81, /* 28: Interrupt #2 */
+ 0x20, 0x09, 0x82, 0x7c, /* 2c: Ignore/Replace #2 */
+ 0x22, 0x09, 0x0a, 0x0a /* 30: Rx FIFO Enable */
+};
+
+static CONTROLLER_T sController[CTL_SIZE] = {
+ {-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
+ {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}},
+ {-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
+ {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}},
+ {-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
+ {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}},
+ {-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
+ {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}}
+};
+
+static Byte_t sBitMapClrTbl[8] = {
+ 0xfe, 0xfd, 0xfb, 0xf7, 0xef, 0xdf, 0xbf, 0x7f
+};
+
+static Byte_t sBitMapSetTbl[8] = {
+ 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80
+};
+
+static int sClockPrescale = 0x14;
+
/*
* Line number is the ttySIx number (x), the Minor number. We
* assign them sequentially, starting at zero. The following
static unsigned char GetLineNumber(int ctrl, int aiop, int ch);
static unsigned char SetLineNumber(int ctrl, int aiop, int ch);
static void rp_start(struct tty_struct *tty);
+static int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum,
+ int ChanNum);
+static void sSetInterfaceMode(CHANNEL_T * ChP, Byte_t mode);
+static void sFlushRxFIFO(CHANNEL_T * ChP);
+static void sFlushTxFIFO(CHANNEL_T * ChP);
+static void sEnInterrupts(CHANNEL_T * ChP, Word_t Flags);
+static void sDisInterrupts(CHANNEL_T * ChP, Word_t Flags);
+static void sModemReset(CONTROLLER_T * CtlP, int chan, int on);
+static void sPCIModemReset(CONTROLLER_T * CtlP, int chan, int on);
+static int sWriteTxPrioByte(CHANNEL_T * ChP, Byte_t Data);
+static int sPCIInitController(CONTROLLER_T * CtlP, int CtlNum,
+ ByteIO_t * AiopIOList, int AiopIOListSize,
+ WordIO_t ConfigIO, int IRQNum, Byte_t Frequency,
+ int PeriodicOnly, int altChanRingIndicator,
+ int UPCIRingInd);
+static int sInitController(CONTROLLER_T * CtlP, int CtlNum, ByteIO_t MudbacIO,
+ ByteIO_t * AiopIOList, int AiopIOListSize,
+ int IRQNum, Byte_t Frequency, int PeriodicOnly);
+static int sReadAiopID(ByteIO_t io);
+static int sReadAiopNumChan(WordIO_t io);
-#ifdef MODULE
MODULE_AUTHOR("Theodore Ts'o");
MODULE_DESCRIPTION("Comtrol RocketPort driver");
module_param(board1, ulong, 0);
module_param_array(pc104_4, ulong, NULL, 0);
MODULE_PARM_DESC(pc104_4, "set interface types for ISA(PC104) board #4 (e.g. pc104_4=232,232,485,485,...");
-int rp_init(void);
+static int rp_init(void);
static void rp_cleanup_module(void);
module_init(rp_init);
module_exit(rp_cleanup_module);
-#endif
-#ifdef MODULE_LICENSE
MODULE_LICENSE("Dual BSD/GPL");
-#endif
/*************************************************************************/
/* Module code starts here */
if (!info)
return 1;
if (info->magic != RPORT_MAGIC) {
- printk(KERN_INFO "Warning: bad magic number for rocketport struct in %s\n",
- routine);
+ printk(KERN_WARNING "Warning: bad magic number for rocketport "
+ "struct in %s\n", routine);
return 1;
}
#endif
CHANNEL_t * cp, unsigned int ChanStatus)
{
unsigned int CharNStat;
- int ToRecv, wRecv, space = 0, count;
+ int ToRecv, wRecv, space;
unsigned char *cbuf;
- char *fbuf;
- struct tty_ldisc *ld;
-
- ld = tty_ldisc_ref(tty);
ToRecv = sGetRxCnt(cp);
- if (ld)
- space = ld->receive_room(tty);
- if (space > 2 * TTY_FLIPBUF_SIZE)
- space = 2 * TTY_FLIPBUF_SIZE;
- cbuf = tty->flip.char_buf;
- fbuf = tty->flip.flag_buf;
- count = 0;
#ifdef ROCKET_DEBUG_INTR
- printk(KERN_INFO "rp_do_receive(%d, %d)...", ToRecv, space);
+ printk(KERN_INFO "rp_do_receive(%d)...\n", ToRecv);
#endif
-
- /*
- * determine how many we can actually read in. If we can't
- * read any in then we have a software overrun condition.
- */
- if (ToRecv > space)
- ToRecv = space;
-
- if (ToRecv <= 0)
+ if (ToRecv == 0)
return;
/*
if (ChanStatus & (RXFOVERFL | RXBREAK | RXFRAME | RXPARITY)) {
if (!(ChanStatus & STATMODE)) {
#ifdef ROCKET_DEBUG_RECEIVE
- printk(KERN_INFO "Entering STATMODE...");
+ printk(KERN_INFO "Entering STATMODE...\n");
#endif
ChanStatus |= STATMODE;
sEnRxStatusMode(cp);
*/
if (ChanStatus & STATMODE) {
#ifdef ROCKET_DEBUG_RECEIVE
- printk(KERN_INFO "Ignore %x, read %x...", info->ignore_status_mask,
- info->read_status_mask);
+ printk(KERN_INFO "Ignore %x, read %x...\n",
+ info->ignore_status_mask, info->read_status_mask);
#endif
while (ToRecv) {
+ char flag;
+
CharNStat = sInW(sGetTxRxDataIO(cp));
#ifdef ROCKET_DEBUG_RECEIVE
- printk(KERN_INFO "%x...", CharNStat);
+ printk(KERN_INFO "%x...\n", CharNStat);
#endif
if (CharNStat & STMBREAKH)
CharNStat &= ~(STMFRAMEH | STMPARITYH);
}
CharNStat &= info->read_status_mask;
if (CharNStat & STMBREAKH)
- *fbuf++ = TTY_BREAK;
+ flag = TTY_BREAK;
else if (CharNStat & STMPARITYH)
- *fbuf++ = TTY_PARITY;
+ flag = TTY_PARITY;
else if (CharNStat & STMFRAMEH)
- *fbuf++ = TTY_FRAME;
+ flag = TTY_FRAME;
else if (CharNStat & STMRCVROVRH)
- *fbuf++ = TTY_OVERRUN;
+ flag = TTY_OVERRUN;
else
- *fbuf++ = 0;
- *cbuf++ = CharNStat & 0xff;
- count++;
+ flag = TTY_NORMAL;
+ tty_insert_flip_char(tty, CharNStat & 0xff, flag);
ToRecv--;
}
* characters at time by doing repeated word IO
* transfer.
*/
+ space = tty_prepare_flip_string(tty, &cbuf, ToRecv);
+ if (space < ToRecv) {
+#ifdef ROCKET_DEBUG_RECEIVE
+ printk(KERN_INFO "rp_do_receive:insufficient space ToRecv=%d space=%d\n", ToRecv, space);
+#endif
+ if (space <= 0)
+ return;
+ ToRecv = space;
+ }
wRecv = ToRecv >> 1;
if (wRecv)
sInStrW(sGetTxRxDataIO(cp), (unsigned short *) cbuf, wRecv);
if (ToRecv & 1)
cbuf[ToRecv - 1] = sInB(sGetTxRxDataIO(cp));
- memset(fbuf, 0, ToRecv);
- cbuf += ToRecv;
- fbuf += ToRecv;
- count += ToRecv;
}
/* Push the data up to the tty layer */
- ld->receive_buf(tty, tty->flip.char_buf, tty->flip.flag_buf, count);
- tty_ldisc_deref(ld);
+ tty_flip_buffer_push(tty);
}
/*
unsigned long flags;
#ifdef ROCKET_DEBUG_INTR
- printk(KERN_INFO "rp_do_transmit ");
+ printk(KERN_DEBUG "%s\n", __func__);
#endif
if (!info)
return;
- if (!info->tty) {
- printk(KERN_INFO "rp: WARNING rp_do_transmit called with info->tty==NULL\n");
+ tty = tty_port_tty_get(&info->port);
+
+ if (tty == NULL) {
+ printk(KERN_WARNING "rp: WARNING %s called with tty==NULL\n", __func__);
clear_bit((info->aiop * 8) + info->chan, (void *) &xmit_flags[info->board]);
return;
}
spin_lock_irqsave(&info->slock, flags);
- tty = info->tty;
info->xmit_fifo_room = TXFIFO_SIZE - sGetTxCnt(cp);
/* Loop sending data to FIFO until done or FIFO full */
while (1) {
if (tty->stopped || tty->hw_stopped)
break;
- c = min(info->xmit_fifo_room, min(info->xmit_cnt, XMIT_BUF_SIZE - info->xmit_tail));
+ c = min(info->xmit_fifo_room, info->xmit_cnt);
+ c = min(c, XMIT_BUF_SIZE - info->xmit_tail);
if (c <= 0 || info->xmit_fifo_room <= 0)
break;
sOutStrW(sGetTxRxDataIO(cp), (unsigned short *) (info->xmit_buf + info->xmit_tail), c / 2);
info->xmit_cnt -= c;
info->xmit_fifo_room -= c;
#ifdef ROCKET_DEBUG_INTR
- printk(KERN_INFO "tx %d chars...", c);
+ printk(KERN_INFO "tx %d chars...\n", c);
#endif
}
if (info->xmit_cnt < WAKEUP_CHARS) {
tty_wakeup(tty);
- wake_up_interruptible(&tty->write_wait);
#ifdef ROCKETPORT_HAVE_POLL_WAIT
wake_up_interruptible(&tty->poll_wait);
#endif
}
spin_unlock_irqrestore(&info->slock, flags);
+ tty_kref_put(tty);
#ifdef ROCKET_DEBUG_INTR
- printk(KERN_INFO "(%d,%d,%d,%d)...", info->xmit_cnt, info->xmit_head,
+ printk(KERN_DEBUG "(%d,%d,%d,%d)...\n", info->xmit_cnt, info->xmit_head,
info->xmit_tail, info->xmit_fifo_room);
#endif
}
if (!info)
return;
- if ((info->flags & ROCKET_INITIALIZED) == 0) {
- printk(KERN_INFO "rp: WARNING: rp_handle_port called with info->flags & NOT_INIT\n");
+ if ((info->port.flags & ASYNC_INITIALIZED) == 0) {
+ printk(KERN_WARNING "rp: WARNING: rp_handle_port called with "
+ "info->flags & NOT_INIT\n");
return;
}
- if (!info->tty) {
- printk(KERN_INFO "rp: WARNING: rp_handle_port called with info->tty==NULL\n");
+ tty = tty_port_tty_get(&info->port);
+ if (!tty) {
+ printk(KERN_WARNING "rp: WARNING: rp_handle_port called with "
+ "tty==NULL\n");
return;
}
cp = &info->channel;
- tty = info->tty;
IntMask = sGetChanIntID(cp) & info->intmask;
#ifdef ROCKET_DEBUG_INTR
- printk(KERN_INFO "rp_interrupt %02x...", IntMask);
+ printk(KERN_INFO "rp_interrupt %02x...\n", IntMask);
#endif
ChanStatus = sGetChanStatus(cp);
if (IntMask & RXF_TRIG) { /* Rx FIFO trigger level */
}
if (IntMask & DELTA_CD) { /* CD change */
#if (defined(ROCKET_DEBUG_OPEN) || defined(ROCKET_DEBUG_INTR) || defined(ROCKET_DEBUG_HANGUP))
- printk(KERN_INFO "ttyR%d CD now %s...", info->line,
+ printk(KERN_INFO "ttyR%d CD now %s...\n", info->line,
(ChanStatus & CD_ACT) ? "on" : "off");
#endif
if (!(ChanStatus & CD_ACT) && info->cd_status) {
tty_hangup(tty);
}
info->cd_status = (ChanStatus & CD_ACT) ? 1 : 0;
- wake_up_interruptible(&info->open_wait);
+ wake_up_interruptible(&info->port.open_wait);
}
#ifdef ROCKET_DEBUG_INTR
if (IntMask & DELTA_CTS) { /* CTS change */
printk(KERN_INFO "DSR change...\n");
}
#endif
+ tty_kref_put(tty);
}
/*
static void rp_do_poll(unsigned long dummy)
{
CONTROLLER_t *ctlp;
- int ctrl, aiop, ch, line, i;
- unsigned int xmitmask;
+ int ctrl, aiop, ch, line;
+ unsigned int xmitmask, i;
unsigned int CtlMask;
unsigned char AiopMask;
Word_t bit;
/* Get a ptr to the board's control struct */
ctlp = sCtlNumToCtlPtr(ctrl);
- /* Get the interupt status from the board */
+ /* Get the interrupt status from the board */
#ifdef CONFIG_PCI
if (ctlp->BusType == isPCI)
CtlMask = sPCIGetControllerIntStatus(ctlp);
ctlp = sCtlNumToCtlPtr(board);
/* Get a r_port struct for the port, fill it in and save it globally, indexed by line number */
- info = kmalloc(sizeof (struct r_port), GFP_KERNEL);
+ info = kzalloc(sizeof (struct r_port), GFP_KERNEL);
if (!info) {
- printk(KERN_INFO "Couldn't allocate info struct for line #%d\n", line);
+ printk(KERN_ERR "Couldn't allocate info struct for line #%d\n",
+ line);
return;
}
- memset(info, 0, sizeof (struct r_port));
info->magic = RPORT_MAGIC;
info->line = line;
info->board = board;
info->aiop = aiop;
info->chan = chan;
- info->closing_wait = 3000;
- info->close_delay = 50;
- init_waitqueue_head(&info->open_wait);
- init_waitqueue_head(&info->close_wait);
+ tty_port_init(&info->port);
+ info->port.ops = &rocket_port_ops;
+ init_completion(&info->close_wait);
info->flags &= ~ROCKET_MODE_MASK;
switch (pc104[board][line]) {
case 422:
info->intmask = RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR;
if (sInitChan(ctlp, &info->channel, aiop, chan) == 0) {
- printk(KERN_INFO "RocketPort sInitChan(%d, %d, %d) failed!\n", board, aiop, chan);
+ printk(KERN_ERR "RocketPort sInitChan(%d, %d, %d) failed!\n",
+ board, aiop, chan);
kfree(info);
return;
}
}
}
spin_lock_init(&info->slock);
- sema_init(&info->write_sem, 1);
+ mutex_init(&info->write_mtx);
rp_table[line] = info;
- if (pci_dev)
- tty_register_device(rocket_driver, line, &pci_dev->dev);
+ tty_register_device(rocket_driver, line, pci_dev ? &pci_dev->dev :
+ NULL);
}
/*
* Configures a rocketport port according to its termio settings. Called from
* user mode into the driver (exception handler). *info CD manipulation is spinlock protected.
*/
-static void configure_r_port(struct r_port *info,
- struct termios *old_termios)
+static void configure_r_port(struct tty_struct *tty, struct r_port *info,
+ struct ktermios *old_termios)
{
unsigned cflag;
unsigned long flags;
unsigned rocketMode;
int bits, baud, divisor;
CHANNEL_t *cp;
+ struct ktermios *t = tty->termios;
- if (!info->tty || !info->tty->termios)
- return;
cp = &info->channel;
- cflag = info->tty->termios->c_cflag;
+ cflag = t->c_cflag;
/* Byte size and parity */
if ((cflag & CSIZE) == CS8) {
}
/* baud rate */
- baud = tty_get_baud_rate(info->tty);
+ baud = tty_get_baud_rate(tty);
if (!baud)
baud = 9600;
divisor = ((rp_baud_base[info->board] + (baud >> 1)) / baud) - 1;
if ((divisor >= 8192 || divisor < 0) && old_termios) {
- info->tty->termios->c_cflag &= ~CBAUD;
- info->tty->termios->c_cflag |=
- (old_termios->c_cflag & CBAUD);
- baud = tty_get_baud_rate(info->tty);
+ baud = tty_termios_baud_rate(old_termios);
if (!baud)
baud = 9600;
divisor = (rp_baud_base[info->board] / baud) - 1;
info->cps = baud / bits;
sSetBaud(cp, divisor);
+ /* FIXME: Should really back compute a baud rate from the divisor */
+ tty_encode_baud_rate(tty, baud, baud);
+
if (cflag & CRTSCTS) {
info->intmask |= DELTA_CTS;
sEnCTSFlowCtl(cp);
* Handle software flow control in the board
*/
#ifdef ROCKET_SOFT_FLOW
- if (I_IXON(info->tty)) {
+ if (I_IXON(tty)) {
sEnTxSoftFlowCtl(cp);
- if (I_IXANY(info->tty)) {
+ if (I_IXANY(tty)) {
sEnIXANY(cp);
} else {
sDisIXANY(cp);
}
- sSetTxXONChar(cp, START_CHAR(info->tty));
- sSetTxXOFFChar(cp, STOP_CHAR(info->tty));
+ sSetTxXONChar(cp, START_CHAR(tty));
+ sSetTxXOFFChar(cp, STOP_CHAR(tty));
} else {
sDisTxSoftFlowCtl(cp);
sDisIXANY(cp);
* Set up ignore/read mask words
*/
info->read_status_mask = STMRCVROVRH | 0xFF;
- if (I_INPCK(info->tty))
+ if (I_INPCK(tty))
info->read_status_mask |= STMFRAMEH | STMPARITYH;
- if (I_BRKINT(info->tty) || I_PARMRK(info->tty))
+ if (I_BRKINT(tty) || I_PARMRK(tty))
info->read_status_mask |= STMBREAKH;
/*
* Characters to ignore
*/
info->ignore_status_mask = 0;
- if (I_IGNPAR(info->tty))
+ if (I_IGNPAR(tty))
info->ignore_status_mask |= STMFRAMEH | STMPARITYH;
- if (I_IGNBRK(info->tty)) {
+ if (I_IGNBRK(tty)) {
info->ignore_status_mask |= STMBREAKH;
/*
* If we're ignoring parity and break indicators,
* ignore overruns too. (For real raw support).
*/
- if (I_IGNPAR(info->tty))
+ if (I_IGNPAR(tty))
info->ignore_status_mask |= STMRCVROVRH;
}
}
}
-/* info->count is considered critical, protected by spinlocks. */
-static int block_til_ready(struct tty_struct *tty, struct file *filp,
- struct r_port *info)
+static int carrier_raised(struct tty_port *port)
{
- DECLARE_WAITQUEUE(wait, current);
- int retval;
- int do_clocal = 0, extra_count = 0;
- unsigned long flags;
-
- /*
- * If the device is in the middle of being closed, then block
- * until it's done, and then try again.
- */
- if (tty_hung_up_p(filp))
- return ((info->flags & ROCKET_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS);
- if (info->flags & ROCKET_CLOSING) {
- interruptible_sleep_on(&info->close_wait);
- return ((info->flags & ROCKET_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS);
- }
-
- /*
- * If non-blocking mode is set, or the port is not enabled,
- * then make the check up front and then exit.
- */
- if ((filp->f_flags & O_NONBLOCK) || (tty->flags & (1 << TTY_IO_ERROR))) {
- info->flags |= ROCKET_NORMAL_ACTIVE;
- return 0;
- }
- if (tty->termios->c_cflag & CLOCAL)
- do_clocal = 1;
-
- /*
- * Block waiting for the carrier detect and the line to become free. While we are in
- * this loop, info->count is dropped by one, so that rp_close() knows when to free things.
- * We restore it upon exit, either normal or abnormal.
- */
- retval = 0;
- add_wait_queue(&info->open_wait, &wait);
-#ifdef ROCKET_DEBUG_OPEN
- printk(KERN_INFO "block_til_ready before block: ttyR%d, count = %d\n", info->line, info->count);
-#endif
- spin_lock_irqsave(&info->slock, flags);
-
-#ifdef ROCKET_DISABLE_SIMUSAGE
- info->flags |= ROCKET_NORMAL_ACTIVE;
-#else
- if (!tty_hung_up_p(filp)) {
- extra_count = 1;
- info->count--;
- }
-#endif
- info->blocked_open++;
-
- spin_unlock_irqrestore(&info->slock, flags);
+ struct r_port *info = container_of(port, struct r_port, port);
+ return (sGetChanStatusLo(&info->channel) & CD_ACT) ? 1 : 0;
+}
- while (1) {
- if (tty->termios->c_cflag & CBAUD) {
- sSetDTR(&info->channel);
- sSetRTS(&info->channel);
- }
- set_current_state(TASK_INTERRUPTIBLE);
- if (tty_hung_up_p(filp) || !(info->flags & ROCKET_INITIALIZED)) {
- if (info->flags & ROCKET_HUP_NOTIFY)
- retval = -EAGAIN;
- else
- retval = -ERESTARTSYS;
- break;
- }
- if (!(info->flags & ROCKET_CLOSING) && (do_clocal || (sGetChanStatusLo(&info->channel) & CD_ACT)))
- break;
- if (signal_pending(current)) {
- retval = -ERESTARTSYS;
- break;
- }
-#ifdef ROCKET_DEBUG_OPEN
- printk(KERN_INFO "block_til_ready blocking: ttyR%d, count = %d, flags=0x%0x\n",
- info->line, info->count, info->flags);
-#endif
- schedule(); /* Don't hold spinlock here, will hang PC */
+static void dtr_rts(struct tty_port *port, int on)
+{
+ struct r_port *info = container_of(port, struct r_port, port);
+ if (on) {
+ sSetDTR(&info->channel);
+ sSetRTS(&info->channel);
+ } else {
+ sClrDTR(&info->channel);
+ sClrRTS(&info->channel);
}
- current->state = TASK_RUNNING;
- remove_wait_queue(&info->open_wait, &wait);
-
- spin_lock_irqsave(&info->slock, flags);
-
- if (extra_count)
- info->count++;
- info->blocked_open--;
-
- spin_unlock_irqrestore(&info->slock, flags);
-
-#ifdef ROCKET_DEBUG_OPEN
- printk(KERN_INFO "block_til_ready after blocking: ttyR%d, count = %d\n",
- info->line, info->count);
-#endif
- if (retval)
- return retval;
- info->flags |= ROCKET_NORMAL_ACTIVE;
- return 0;
}
/*
static int rp_open(struct tty_struct *tty, struct file *filp)
{
struct r_port *info;
+ struct tty_port *port;
int line = 0, retval;
CHANNEL_t *cp;
unsigned long page;
- line = TTY_GET_LINE(tty);
- if ((line < 0) || (line >= MAX_RP_PORTS) || ((info = rp_table[line]) == NULL))
+ line = tty->index;
+ if (line < 0 || line >= MAX_RP_PORTS || ((info = rp_table[line]) == NULL))
return -ENXIO;
-
+ port = &info->port;
+
page = __get_free_page(GFP_KERNEL);
if (!page)
return -ENOMEM;
- if (info->flags & ROCKET_CLOSING) {
- interruptible_sleep_on(&info->close_wait);
+ if (port->flags & ASYNC_CLOSING) {
+ retval = wait_for_completion_interruptible(&info->close_wait);
free_page(page);
- return ((info->flags & ROCKET_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS);
+ if (retval)
+ return retval;
+ return ((port->flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS);
}
/*
info->xmit_buf = (unsigned char *) page;
tty->driver_data = info;
- info->tty = tty;
+ tty_port_tty_set(port, tty);
- if (info->count++ == 0) {
+ if (port->count++ == 0) {
atomic_inc(&rp_num_ports_open);
#ifdef ROCKET_DEBUG_OPEN
- printk(KERN_INFO "rocket mod++ = %d...", atomic_read(&rp_num_ports_open));
+ printk(KERN_INFO "rocket mod++ = %d...\n",
+ atomic_read(&rp_num_ports_open));
#endif
}
#ifdef ROCKET_DEBUG_OPEN
- printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, info->count);
+ printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, info->port.count);
#endif
/*
* Info->count is now 1; so it's safe to sleep now.
*/
- info->session = current->signal->session;
- info->pgrp = process_group(current);
-
- if ((info->flags & ROCKET_INITIALIZED) == 0) {
+ if (!test_bit(ASYNCB_INITIALIZED, &port->flags)) {
cp = &info->channel;
sSetRxTrigger(cp, TRIG_1);
if (sGetChanStatus(cp) & CD_ACT)
sEnRxFIFO(cp);
sEnTransmit(cp);
- info->flags |= ROCKET_INITIALIZED;
+ set_bit(ASYNCB_INITIALIZED, &info->port.flags);
/*
* Set up the tty->alt_speed kludge
*/
if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_HI)
- info->tty->alt_speed = 57600;
+ tty->alt_speed = 57600;
if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_VHI)
- info->tty->alt_speed = 115200;
+ tty->alt_speed = 115200;
if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_SHI)
- info->tty->alt_speed = 230400;
+ tty->alt_speed = 230400;
if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_WARP)
- info->tty->alt_speed = 460800;
+ tty->alt_speed = 460800;
- configure_r_port(info, NULL);
+ configure_r_port(tty, info, NULL);
if (tty->termios->c_cflag & CBAUD) {
sSetDTR(cp);
sSetRTS(cp);
/* Starts (or resets) the maint polling loop */
mod_timer(&rocket_timer, jiffies + POLL_PERIOD);
- retval = block_til_ready(tty, filp, info);
+ retval = tty_port_block_til_ready(port, tty, filp);
if (retval) {
#ifdef ROCKET_DEBUG_OPEN
printk(KERN_INFO "rp_open returning after block_til_ready with %d\n", retval);
}
/*
- * Exception handler that closes a serial port. info->count is considered critical.
+ * Exception handler that closes a serial port. info->port.count is considered critical.
*/
static void rp_close(struct tty_struct *tty, struct file *filp)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
- unsigned long flags;
+ struct r_port *info = tty->driver_data;
+ struct tty_port *port = &info->port;
int timeout;
CHANNEL_t *cp;
return;
#ifdef ROCKET_DEBUG_OPEN
- printk(KERN_INFO "rp_close ttyR%d, count = %d\n", info->line, info->count);
+ printk(KERN_INFO "rp_close ttyR%d, count = %d\n", info->line, info->port.count);
#endif
- if (tty_hung_up_p(filp))
+ if (tty_port_close_start(port, tty, filp) == 0)
return;
- spin_lock_irqsave(&info->slock, flags);
-
- if ((tty->count == 1) && (info->count != 1)) {
- /*
- * Uh, oh. tty->count is 1, which means that the tty
- * structure will be freed. Info->count should always
- * be one in these conditions. If it's greater than
- * one, we've got real problems, since it means the
- * serial port won't be shutdown.
- */
- printk(KERN_INFO "rp_close: bad serial port count; tty->count is 1, "
- "info->count is %d\n", info->count);
- info->count = 1;
- }
- if (--info->count < 0) {
- printk(KERN_INFO "rp_close: bad serial port count for ttyR%d: %d\n",
- info->line, info->count);
- info->count = 0;
- }
- if (info->count) {
- spin_unlock_irqrestore(&info->slock, flags);
- return;
- }
- info->flags |= ROCKET_CLOSING;
- spin_unlock_irqrestore(&info->slock, flags);
cp = &info->channel;
-
- /*
- * Notify the line discpline to only process XON/XOFF characters
- */
- tty->closing = 1;
-
- /*
- * If transmission was throttled by the application request,
- * just flush the xmit buffer.
- */
- if (tty->flow_stopped)
- rp_flush_buffer(tty);
-
- /*
- * Wait for the transmit buffer to clear
- */
- if (info->closing_wait != ROCKET_CLOSING_WAIT_NONE)
- tty_wait_until_sent(tty, info->closing_wait);
/*
* Before we drop DTR, make sure the UART transmitter
* has completely drained; this is especially
if (C_HUPCL(tty))
sClrDTR(cp);
- if (TTY_DRIVER_FLUSH_BUFFER_EXISTS(tty))
- TTY_DRIVER_FLUSH_BUFFER(tty);
+ rp_flush_buffer(tty);
tty_ldisc_flush(tty);
clear_bit((info->aiop * 8) + info->chan, (void *) &xmit_flags[info->board]);
- if (info->blocked_open) {
- if (info->close_delay) {
- msleep_interruptible(jiffies_to_msecs(info->close_delay));
+ /* We can't yet use tty_port_close_end as the buffer handling in this
+ driver is a bit different to the usual */
+
+ if (port->blocked_open) {
+ if (port->close_delay) {
+ msleep_interruptible(jiffies_to_msecs(port->close_delay));
}
- wake_up_interruptible(&info->open_wait);
+ wake_up_interruptible(&port->open_wait);
} else {
if (info->xmit_buf) {
free_page((unsigned long) info->xmit_buf);
info->xmit_buf = NULL;
}
}
- info->flags &= ~(ROCKET_INITIALIZED | ROCKET_CLOSING | ROCKET_NORMAL_ACTIVE);
+ info->port.flags &= ~(ASYNC_INITIALIZED | ASYNC_CLOSING | ASYNC_NORMAL_ACTIVE);
tty->closing = 0;
- wake_up_interruptible(&info->close_wait);
+ tty_port_tty_set(port, NULL);
+ wake_up_interruptible(&port->close_wait);
+ complete_all(&info->close_wait);
atomic_dec(&rp_num_ports_open);
#ifdef ROCKET_DEBUG_OPEN
- printk(KERN_INFO "rocket mod-- = %d...", atomic_read(&rp_num_ports_open));
+ printk(KERN_INFO "rocket mod-- = %d...\n",
+ atomic_read(&rp_num_ports_open));
printk(KERN_INFO "rp_close ttyR%d complete shutdown\n", info->line);
#endif
}
static void rp_set_termios(struct tty_struct *tty,
- struct termios *old_termios)
+ struct ktermios *old_termios)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
CHANNEL_t *cp;
unsigned cflag;
cflag = tty->termios->c_cflag;
- if (cflag == old_termios->c_cflag)
- return;
-
/*
* This driver doesn't support CS5 or CS6
*/
if (((cflag & CSIZE) == CS5) || ((cflag & CSIZE) == CS6))
tty->termios->c_cflag =
((cflag & ~CSIZE) | (old_termios->c_cflag & CSIZE));
+ /* Or CMSPAR */
+ tty->termios->c_cflag &= ~CMSPAR;
- configure_r_port(info, old_termios);
+ configure_r_port(tty, info, old_termios);
cp = &info->channel;
}
}
-static void rp_break(struct tty_struct *tty, int break_state)
+static int rp_break(struct tty_struct *tty, int break_state)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
unsigned long flags;
if (rocket_paranoia_check(info, "rp_break"))
- return;
+ return -EINVAL;
spin_lock_irqsave(&info->slock, flags);
if (break_state == -1)
else
sClrBreak(&info->channel);
spin_unlock_irqrestore(&info->slock, flags);
+ return 0;
}
/*
*/
static int rp_tiocmget(struct tty_struct *tty, struct file *file)
{
- struct r_port *info = (struct r_port *)tty->driver_data;
+ struct r_port *info = tty->driver_data;
unsigned int control, result, ChanStatus;
ChanStatus = sGetChanStatusLo(&info->channel);
static int rp_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
- struct r_port *info = (struct r_port *)tty->driver_data;
+ struct r_port *info = tty->driver_data;
if (set & TIOCM_RTS)
info->channel.TxControl[3] |= SET_RTS;
if (clear & TIOCM_DTR)
info->channel.TxControl[3] &= ~SET_DTR;
- sOutDW(info->channel.IndexAddr, *(DWord_t *) & (info->channel.TxControl[0]));
+ out32(info->channel.IndexAddr, info->channel.TxControl);
return 0;
}
memset(&tmp, 0, sizeof (tmp));
tmp.line = info->line;
tmp.flags = info->flags;
- tmp.close_delay = info->close_delay;
- tmp.closing_wait = info->closing_wait;
+ tmp.close_delay = info->port.close_delay;
+ tmp.closing_wait = info->port.closing_wait;
tmp.port = rcktpt_io_addr[(info->line >> 5) & 3];
if (copy_to_user(retinfo, &tmp, sizeof (*retinfo)))
return 0;
}
-static int set_config(struct r_port *info, struct rocket_config __user *new_info)
+static int set_config(struct tty_struct *tty, struct r_port *info,
+ struct rocket_config __user *new_info)
{
struct rocket_config new_serial;
if ((new_serial.flags & ~ROCKET_USR_MASK) != (info->flags & ~ROCKET_USR_MASK))
return -EPERM;
info->flags = ((info->flags & ~ROCKET_USR_MASK) | (new_serial.flags & ROCKET_USR_MASK));
- configure_r_port(info, NULL);
+ configure_r_port(tty, info, NULL);
return 0;
}
info->flags = ((info->flags & ~ROCKET_FLAGS) | (new_serial.flags & ROCKET_FLAGS));
- info->close_delay = new_serial.close_delay;
- info->closing_wait = new_serial.closing_wait;
+ info->port.close_delay = new_serial.close_delay;
+ info->port.closing_wait = new_serial.closing_wait;
if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_HI)
- info->tty->alt_speed = 57600;
+ tty->alt_speed = 57600;
if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_VHI)
- info->tty->alt_speed = 115200;
+ tty->alt_speed = 115200;
if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_SHI)
- info->tty->alt_speed = 230400;
+ tty->alt_speed = 230400;
if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_WARP)
- info->tty->alt_speed = 460800;
+ tty->alt_speed = 460800;
- configure_r_port(info, NULL);
+ configure_r_port(tty, info, NULL);
return 0;
}
{
int reset;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
if (copy_from_user(&reset, arg, sizeof (int)))
return -EFAULT;
if (reset)
static int rp_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
void __user *argp = (void __user *)arg;
+ int ret = 0;
if (cmd != RCKP_GET_PORTS && rocket_paranoia_check(info, "rp_ioctl"))
return -ENXIO;
+ lock_kernel();
+
switch (cmd) {
case RCKP_GET_STRUCT:
if (copy_to_user(argp, info, sizeof (struct r_port)))
- return -EFAULT;
- return 0;
+ ret = -EFAULT;
+ break;
case RCKP_GET_CONFIG:
- return get_config(info, argp);
+ ret = get_config(info, argp);
+ break;
case RCKP_SET_CONFIG:
- return set_config(info, argp);
+ ret = set_config(tty, info, argp);
+ break;
case RCKP_GET_PORTS:
- return get_ports(info, argp);
+ ret = get_ports(info, argp);
+ break;
case RCKP_RESET_RM2:
- return reset_rm2(info, argp);
+ ret = reset_rm2(info, argp);
+ break;
case RCKP_GET_VERSION:
- return get_version(info, argp);
+ ret = get_version(info, argp);
+ break;
default:
- return -ENOIOCTLCMD;
+ ret = -ENOIOCTLCMD;
}
- return 0;
+ unlock_kernel();
+ return ret;
}
static void rp_send_xchar(struct tty_struct *tty, char ch)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
CHANNEL_t *cp;
if (rocket_paranoia_check(info, "rp_send_xchar"))
static void rp_throttle(struct tty_struct *tty)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
CHANNEL_t *cp;
#ifdef ROCKET_DEBUG_THROTTLE
static void rp_unthrottle(struct tty_struct *tty)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
CHANNEL_t *cp;
#ifdef ROCKET_DEBUG_THROTTLE
printk(KERN_INFO "unthrottle %s: %d....\n", tty->name,
*/
static void rp_stop(struct tty_struct *tty)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
#ifdef ROCKET_DEBUG_FLOW
printk(KERN_INFO "stop %s: %d %d....\n", tty->name,
static void rp_start(struct tty_struct *tty)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
#ifdef ROCKET_DEBUG_FLOW
printk(KERN_INFO "start %s: %d %d....\n", tty->name,
*/
static void rp_wait_until_sent(struct tty_struct *tty, int timeout)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
CHANNEL_t *cp;
unsigned long orig_jiffies;
int check_time, exit_time;
orig_jiffies = jiffies;
#ifdef ROCKET_DEBUG_WAIT_UNTIL_SENT
- printk(KERN_INFO "In RP_wait_until_sent(%d) (jiff=%lu)...", timeout,
+ printk(KERN_INFO "In RP_wait_until_sent(%d) (jiff=%lu)...\n", timeout,
jiffies);
- printk(KERN_INFO "cps=%d...", info->cps);
+ printk(KERN_INFO "cps=%d...\n", info->cps);
#endif
+ lock_kernel();
while (1) {
txcnt = sGetTxCnt(cp);
if (!txcnt) {
if (check_time == 0)
check_time = 1;
#ifdef ROCKET_DEBUG_WAIT_UNTIL_SENT
- printk(KERN_INFO "txcnt = %d (jiff=%lu,check=%d)...", txcnt, jiffies, check_time);
+ printk(KERN_INFO "txcnt = %d (jiff=%lu,check=%d)...\n", txcnt,
+ jiffies, check_time);
#endif
msleep_interruptible(jiffies_to_msecs(check_time));
if (signal_pending(current))
break;
}
- current->state = TASK_RUNNING;
+ __set_current_state(TASK_RUNNING);
+ unlock_kernel();
#ifdef ROCKET_DEBUG_WAIT_UNTIL_SENT
printk(KERN_INFO "txcnt = %d (jiff=%lu)...done\n", txcnt, jiffies);
#endif
static void rp_hangup(struct tty_struct *tty)
{
CHANNEL_t *cp;
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
if (rocket_paranoia_check(info, "rp_hangup"))
return;
#if (defined(ROCKET_DEBUG_OPEN) || defined(ROCKET_DEBUG_HANGUP))
- printk(KERN_INFO "rp_hangup of ttyR%d...", info->line);
+ printk(KERN_INFO "rp_hangup of ttyR%d...\n", info->line);
#endif
rp_flush_buffer(tty);
- if (info->flags & ROCKET_CLOSING)
+ if (info->port.flags & ASYNC_CLOSING)
return;
- if (info->count)
+ if (info->port.count)
atomic_dec(&rp_num_ports_open);
clear_bit((info->aiop * 8) + info->chan, (void *) &xmit_flags[info->board]);
- info->count = 0;
- info->flags &= ~ROCKET_NORMAL_ACTIVE;
- info->tty = NULL;
+ tty_port_hangup(&info->port);
cp = &info->channel;
sDisRxFIFO(cp);
sDisCTSFlowCtl(cp);
sDisTxSoftFlowCtl(cp);
sClrTxXOFF(cp);
- info->flags &= ~ROCKET_INITIALIZED;
+ info->port.flags &= ~ASYNC_INITIALIZED;
- wake_up_interruptible(&info->open_wait);
+ wake_up_interruptible(&info->port.open_wait);
}
/*
* writing routines will write directly to transmit FIFO.
* Write buffer and counters protected by spinlocks
*/
-static void rp_put_char(struct tty_struct *tty, unsigned char ch)
+static int rp_put_char(struct tty_struct *tty, unsigned char ch)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
CHANNEL_t *cp;
unsigned long flags;
if (rocket_paranoia_check(info, "rp_put_char"))
- return;
+ return 0;
- /* Grab the port write semaphore, locking out other processes that try to write to this port */
- down(&info->write_sem);
+ /*
+ * Grab the port write mutex, locking out other processes that try to
+ * write to this port
+ */
+ mutex_lock(&info->write_mtx);
#ifdef ROCKET_DEBUG_WRITE
- printk(KERN_INFO "rp_put_char %c...", ch);
+ printk(KERN_INFO "rp_put_char %c...\n", ch);
#endif
spin_lock_irqsave(&info->slock, flags);
info->xmit_fifo_room--;
}
spin_unlock_irqrestore(&info->slock, flags);
- up(&info->write_sem);
+ mutex_unlock(&info->write_mtx);
+ return 1;
}
/*
* Exception handler - write routine, called when user app writes to the device.
- * A per port write semaphore is used to protect from another process writing to
+ * A per port write mutex is used to protect from another process writing to
* this port at the same time. This other process could be running on the other CPU
* or get control of the CPU if the copy_from_user() blocks due to a page fault (swapped out).
* Spinlocks protect the info xmit members.
static int rp_write(struct tty_struct *tty,
const unsigned char *buf, int count)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
CHANNEL_t *cp;
const unsigned char *b;
int c, retval = 0;
if (count <= 0 || rocket_paranoia_check(info, "rp_write"))
return 0;
- down_interruptible(&info->write_sem);
+ if (mutex_lock_interruptible(&info->write_mtx))
+ return -ERESTARTSYS;
#ifdef ROCKET_DEBUG_WRITE
- printk(KERN_INFO "rp_write %d chars...", count);
+ printk(KERN_INFO "rp_write %d chars...\n", count);
#endif
cp = &info->channel;
/* Write remaining data into the port's xmit_buf */
while (1) {
- if (info->tty == 0) /* Seemingly obligatory check... */
+ /* Hung up ? */
+ if (!test_bit(ASYNCB_NORMAL_ACTIVE, &info->port.flags))
goto end;
-
- c = min(count, min(XMIT_BUF_SIZE - info->xmit_cnt - 1, XMIT_BUF_SIZE - info->xmit_head));
+ c = min(count, XMIT_BUF_SIZE - info->xmit_cnt - 1);
+ c = min(c, XMIT_BUF_SIZE - info->xmit_head);
if (c <= 0)
break;
end:
if (info->xmit_cnt < WAKEUP_CHARS) {
tty_wakeup(tty);
- wake_up_interruptible(&tty->write_wait);
#ifdef ROCKETPORT_HAVE_POLL_WAIT
wake_up_interruptible(&tty->poll_wait);
#endif
}
- up(&info->write_sem);
+ mutex_unlock(&info->write_mtx);
return retval;
}
*/
static int rp_write_room(struct tty_struct *tty)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
int ret;
if (rocket_paranoia_check(info, "rp_write_room"))
if (ret < 0)
ret = 0;
#ifdef ROCKET_DEBUG_WRITE
- printk(KERN_INFO "rp_write_room returns %d...", ret);
+ printk(KERN_INFO "rp_write_room returns %d...\n", ret);
#endif
return ret;
}
*/
static int rp_chars_in_buffer(struct tty_struct *tty)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
CHANNEL_t *cp;
if (rocket_paranoia_check(info, "rp_chars_in_buffer"))
cp = &info->channel;
#ifdef ROCKET_DEBUG_WRITE
- printk(KERN_INFO "rp_chars_in_buffer returns %d...", info->xmit_cnt);
+ printk(KERN_INFO "rp_chars_in_buffer returns %d...\n", info->xmit_cnt);
#endif
return info->xmit_cnt;
}
*/
static void rp_flush_buffer(struct tty_struct *tty)
{
- struct r_port *info = (struct r_port *) tty->driver_data;
+ struct r_port *info = tty->driver_data;
CHANNEL_t *cp;
unsigned long flags;
info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
spin_unlock_irqrestore(&info->slock, flags);
- wake_up_interruptible(&tty->write_wait);
#ifdef ROCKETPORT_HAVE_POLL_WAIT
wake_up_interruptible(&tty->poll_wait);
#endif
#ifdef CONFIG_PCI
+static struct pci_device_id __devinitdata rocket_pci_ids[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_ANY_ID) },
+ { }
+};
+MODULE_DEVICE_TABLE(pci, rocket_pci_ids);
+
/*
* Called when a PCI card is found. Retrieves and stores model information,
* init's aiopic and serial port hardware.
* Inputs: i is the board number (0-n)
*/
-__init int register_PCI(int i, struct pci_dev *dev)
+static __init int register_PCI(int i, struct pci_dev *dev)
{
int num_aiops, aiop, max_num_aiops, num_chan, chan;
unsigned int aiopio[MAX_AIOPS_PER_BOARD];
int fast_clock = 0;
int altChanRingIndicator = 0;
int ports_per_aiop = 8;
- int ret;
- unsigned int class_rev;
WordIO_t ConfigIO = 0;
ByteIO_t UPCIRingInd = 0;
return 0;
rcktpt_io_addr[i] = pci_resource_start(dev, 0);
- ret = pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
-
- if (ret) {
- printk(KERN_INFO " Error during register_PCI(), unable to read config dword \n");
- return 0;
- }
rcktpt_type[i] = ROCKET_TYPE_NORMAL;
rocketModel[i].loadrm2 = 0;
ports_per_aiop = 6;
str = "6-port";
- /* If class_rev is 1, the rocketmodem flash must be loaded. If it is 2 it is a "socketed" version. */
- if ((class_rev & 0xFF) == 1) {
+ /* If revision is 1, the rocketmodem flash must be loaded.
+ * If it is 2 it is a "socketed" version. */
+ if (dev->revision == 1) {
rcktpt_type[i] = ROCKET_TYPE_MODEMII;
rocketModel[i].loadrm2 = 1;
} else {
max_num_aiops = 1;
ports_per_aiop = 4;
str = "4-port";
- if ((class_rev & 0xFF) == 1) {
+ if (dev->revision == 1) {
rcktpt_type[i] = ROCKET_TYPE_MODEMII;
rocketModel[i].loadrm2 = 1;
} else {
for (aiop = 0; aiop < max_num_aiops; aiop++)
ctlp->AiopNumChan[aiop] = ports_per_aiop;
- printk("Comtrol PCI controller #%d ID 0x%x found in bus:slot:fn %s at address %04lx, "
- "%d AIOP(s) (%s)\n", i, dev->device, pci_name(dev),
- rcktpt_io_addr[i], num_aiops, rocketModel[i].modelString);
- printk(KERN_INFO "Installing %s, creating /dev/ttyR%d - %ld\n",
- rocketModel[i].modelString,
- rocketModel[i].startingPortNumber,
- rocketModel[i].startingPortNumber +
- rocketModel[i].numPorts - 1);
+ dev_info(&dev->dev, "comtrol PCI controller #%d found at "
+ "address %04lx, %d AIOP(s) (%s), creating ttyR%d - %ld\n",
+ i, rcktpt_io_addr[i], num_aiops, rocketModel[i].modelString,
+ rocketModel[i].startingPortNumber,
+ rocketModel[i].startingPortNumber + rocketModel[i].numPorts-1);
if (num_aiops <= 0) {
rcktpt_io_addr[i] = 0;
num_chan = ports_per_aiop;
for (chan = 0; chan < num_chan; chan++)
sPCIModemReset(ctlp, chan, 1);
- mdelay(500);
+ msleep(500);
for (chan = 0; chan < num_chan; chan++)
sPCIModemReset(ctlp, chan, 0);
- mdelay(500);
+ msleep(500);
rmSpeakerReset(ctlp, rocketModel[i].model);
}
return (1);
int count = 0;
/* Work through the PCI device list, pulling out ours */
- while ((dev = pci_find_device(PCI_VENDOR_ID_RP, PCI_ANY_ID, dev))) {
+ while ((dev = pci_get_device(PCI_VENDOR_ID_RP, PCI_ANY_ID, dev))) {
if (register_PCI(count + boards_found, dev))
count++;
}
/* Reserve the IO region */
if (!request_region(rcktpt_io_addr[i], 64, "Comtrol RocketPort")) {
- printk(KERN_INFO "Unable to reserve IO region for configured ISA RocketPort at address 0x%lx, board not installed...\n", rcktpt_io_addr[i]);
+ printk(KERN_ERR "Unable to reserve IO region for configured "
+ "ISA RocketPort at address 0x%lx, board not "
+ "installed...\n", rcktpt_io_addr[i]);
rcktpt_io_addr[i] = 0;
return (0);
}
total_num_chan = num_chan;
for (chan = 0; chan < num_chan; chan++)
sModemReset(ctlp, chan, 1);
- mdelay(500);
+ msleep(500);
for (chan = 0; chan < num_chan; chan++)
sModemReset(ctlp, chan, 0);
- mdelay(500);
+ msleep(500);
strcpy(rocketModel[i].modelString, "RocketModem ISA");
} else {
strcpy(rocketModel[i].modelString, "RocketPort ISA");
return (1);
}
-static struct tty_operations rocket_ops = {
+static const struct tty_operations rocket_ops = {
.open = rp_open,
.close = rp_close,
.write = rp_write,
.tiocmset = rp_tiocmset,
};
+static const struct tty_port_operations rocket_port_ops = {
+ .carrier_raised = carrier_raised,
+ .dtr_rts = dtr_rts,
+};
+
/*
* The module "startup" routine; it's run when the module is loaded.
*/
-int __init rp_init(void)
+static int __init rp_init(void)
{
- int retval, pci_boards_found, isa_boards_found, i;
+ int ret = -ENOMEM, pci_boards_found, isa_boards_found, i;
printk(KERN_INFO "RocketPort device driver module, version %s, %s\n",
ROCKET_VERSION, ROCKET_DATE);
rocket_driver = alloc_tty_driver(MAX_RP_PORTS);
if (!rocket_driver)
- return -ENOMEM;
-
- /*
- * Set up the timer channel.
- */
- init_timer(&rocket_timer);
- rocket_timer.function = rp_do_poll;
-
- /*
- * Initialize the array of pointers to our own internal state
- * structures.
- */
- memset(rp_table, 0, sizeof (rp_table));
- memset(xmit_flags, 0, sizeof (xmit_flags));
-
- for (i = 0; i < MAX_RP_PORTS; i++)
- lineNumbers[i] = 0;
- nextLineNumber = 0;
- memset(rocketModel, 0, sizeof (rocketModel));
+ goto err;
/*
* If board 1 is non-zero, there is at least one ISA configured. If controller is
/* If an ISA card is configured, reserve the 4 byte IO space for the Mudbac controller */
if (controller && (!request_region(controller, 4, "Comtrol RocketPort"))) {
- printk(KERN_INFO "Unable to reserve IO region for first configured ISA RocketPort controller 0x%lx. Driver exiting \n", controller);
- return -EBUSY;
+ printk(KERN_ERR "Unable to reserve IO region for first "
+ "configured ISA RocketPort controller 0x%lx. "
+ "Driver exiting\n", controller);
+ ret = -EBUSY;
+ goto err_tty;
}
/* Store ISA variable retrieved from command line or .conf file. */
*/
rocket_driver->owner = THIS_MODULE;
- rocket_driver->flags = TTY_DRIVER_NO_DEVFS;
- rocket_driver->devfs_name = "tts/R";
+ rocket_driver->flags = TTY_DRIVER_DYNAMIC_DEV;
rocket_driver->name = "ttyR";
rocket_driver->driver_name = "Comtrol RocketPort";
rocket_driver->major = TTY_ROCKET_MAJOR;
rocket_driver->init_termios = tty_std_termios;
rocket_driver->init_termios.c_cflag =
B9600 | CS8 | CREAD | HUPCL | CLOCAL;
+ rocket_driver->init_termios.c_ispeed = 9600;
+ rocket_driver->init_termios.c_ospeed = 9600;
#ifdef ROCKET_SOFT_FLOW
- rocket_driver->flags |= TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+ rocket_driver->flags |= TTY_DRIVER_REAL_RAW;
#endif
tty_set_operations(rocket_driver, &rocket_ops);
- retval = tty_register_driver(rocket_driver);
- if (retval < 0) {
- printk(KERN_INFO "Couldn't install tty RocketPort driver (error %d)\n", -retval);
- put_tty_driver(rocket_driver);
- return -1;
+ ret = tty_register_driver(rocket_driver);
+ if (ret < 0) {
+ printk(KERN_ERR "Couldn't install tty RocketPort driver\n");
+ goto err_tty;
}
#ifdef ROCKET_DEBUG_OPEN
max_board = pci_boards_found + isa_boards_found;
if (max_board == 0) {
- printk(KERN_INFO "No rocketport ports found; unloading driver.\n");
- del_timer_sync(&rocket_timer);
- tty_unregister_driver(rocket_driver);
- put_tty_driver(rocket_driver);
- return -ENXIO;
+ printk(KERN_ERR "No rocketport ports found; unloading driver\n");
+ ret = -ENXIO;
+ goto err_ttyu;
}
return 0;
+err_ttyu:
+ tty_unregister_driver(rocket_driver);
+err_tty:
+ put_tty_driver(rocket_driver);
+err:
+ return ret;
}
-#ifdef MODULE
static void rp_cleanup_module(void)
{
retval = tty_unregister_driver(rocket_driver);
if (retval)
- printk(KERN_INFO "Error %d while trying to unregister "
+ printk(KERN_ERR "Error %d while trying to unregister "
"rocketport driver\n", -retval);
- put_tty_driver(rocket_driver);
- for (i = 0; i < MAX_RP_PORTS; i++) {
- if (rp_table[i])
+ for (i = 0; i < MAX_RP_PORTS; i++)
+ if (rp_table[i]) {
+ tty_unregister_device(rocket_driver, i);
kfree(rp_table[i]);
- }
+ }
+
+ put_tty_driver(rocket_driver);
for (i = 0; i < NUM_BOARDS; i++) {
if (rcktpt_io_addr[i] <= 0 || is_PCI[i])
if (controller)
release_region(controller, 4);
}
-#endif
-
-#ifndef TRUE
-#define TRUE 1
-#endif
-
-#ifndef FALSE
-#define FALSE 0
-#endif
-
-static Byte_t RData[RDATASIZE] = {
- 0x00, 0x09, 0xf6, 0x82,
- 0x02, 0x09, 0x86, 0xfb,
- 0x04, 0x09, 0x00, 0x0a,
- 0x06, 0x09, 0x01, 0x0a,
- 0x08, 0x09, 0x8a, 0x13,
- 0x0a, 0x09, 0xc5, 0x11,
- 0x0c, 0x09, 0x86, 0x85,
- 0x0e, 0x09, 0x20, 0x0a,
- 0x10, 0x09, 0x21, 0x0a,
- 0x12, 0x09, 0x41, 0xff,
- 0x14, 0x09, 0x82, 0x00,
- 0x16, 0x09, 0x82, 0x7b,
- 0x18, 0x09, 0x8a, 0x7d,
- 0x1a, 0x09, 0x88, 0x81,
- 0x1c, 0x09, 0x86, 0x7a,
- 0x1e, 0x09, 0x84, 0x81,
- 0x20, 0x09, 0x82, 0x7c,
- 0x22, 0x09, 0x0a, 0x0a
-};
-
-static Byte_t RRegData[RREGDATASIZE] = {
- 0x00, 0x09, 0xf6, 0x82, /* 00: Stop Rx processor */
- 0x08, 0x09, 0x8a, 0x13, /* 04: Tx software flow control */
- 0x0a, 0x09, 0xc5, 0x11, /* 08: XON char */
- 0x0c, 0x09, 0x86, 0x85, /* 0c: XANY */
- 0x12, 0x09, 0x41, 0xff, /* 10: Rx mask char */
- 0x14, 0x09, 0x82, 0x00, /* 14: Compare/Ignore #0 */
- 0x16, 0x09, 0x82, 0x7b, /* 18: Compare #1 */
- 0x18, 0x09, 0x8a, 0x7d, /* 1c: Compare #2 */
- 0x1a, 0x09, 0x88, 0x81, /* 20: Interrupt #1 */
- 0x1c, 0x09, 0x86, 0x7a, /* 24: Ignore/Replace #1 */
- 0x1e, 0x09, 0x84, 0x81, /* 28: Interrupt #2 */
- 0x20, 0x09, 0x82, 0x7c, /* 2c: Ignore/Replace #2 */
- 0x22, 0x09, 0x0a, 0x0a /* 30: Rx FIFO Enable */
-};
-
-CONTROLLER_T sController[CTL_SIZE] = {
- {-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
- {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}},
- {-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
- {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}},
- {-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
- {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}},
- {-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
- {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}}
-};
-
-Byte_t sBitMapClrTbl[8] = {
- 0xfe, 0xfd, 0xfb, 0xf7, 0xef, 0xdf, 0xbf, 0x7f
-};
-
-Byte_t sBitMapSetTbl[8] = {
- 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80
-};
-
-int sClockPrescale = 0x14;
/***************************************************************************
Function: sInitController
FREQ_4HZ - 4 Hertz
If IRQNum is set to 0 the Frequency parameter is
overidden, it is forced to a value of FREQ_DIS.
- int PeriodicOnly: TRUE if all interrupts except the periodic
+ int PeriodicOnly: 1 if all interrupts except the periodic
interrupt are to be blocked.
- FALSE is both the periodic interrupt and
+ 0 is both the periodic interrupt and
other channel interrupts are allowed.
If IRQNum is set to 0 the PeriodicOnly parameter is
- overidden, it is forced to a value of FALSE.
+ overidden, it is forced to a value of 0.
Return: int: Number of AIOPs on the controller, or CTLID_NULL if controller
initialization failed.
Comments:
If periodic interrupts are to be disabled but AIOP interrupts
- are allowed, set Frequency to FREQ_DIS and PeriodicOnly to FALSE.
+ are allowed, set Frequency to FREQ_DIS and PeriodicOnly to 0.
If interrupts are to be completely disabled set IRQNum to 0.
- Setting Frequency to FREQ_DIS and PeriodicOnly to TRUE is an
+ Setting Frequency to FREQ_DIS and PeriodicOnly to 1 is an
invalid combination.
This function performs initialization of global interrupt modes,
After this function all AIOPs on the controller are disabled,
they can be enabled with sEnAiop().
*/
-int sInitController(CONTROLLER_T * CtlP, int CtlNum, ByteIO_t MudbacIO,
- ByteIO_t * AiopIOList, int AiopIOListSize, int IRQNum,
- Byte_t Frequency, int PeriodicOnly)
+static int sInitController(CONTROLLER_T * CtlP, int CtlNum, ByteIO_t MudbacIO,
+ ByteIO_t * AiopIOList, int AiopIOListSize,
+ int IRQNum, Byte_t Frequency, int PeriodicOnly)
{
int i;
ByteIO_t io;
FREQ_4HZ - 4 Hertz
If IRQNum is set to 0 the Frequency parameter is
overidden, it is forced to a value of FREQ_DIS.
- int PeriodicOnly: TRUE if all interrupts except the periodic
+ int PeriodicOnly: 1 if all interrupts except the periodic
interrupt are to be blocked.
- FALSE is both the periodic interrupt and
+ 0 is both the periodic interrupt and
other channel interrupts are allowed.
If IRQNum is set to 0 the PeriodicOnly parameter is
- overidden, it is forced to a value of FALSE.
+ overidden, it is forced to a value of 0.
Return: int: Number of AIOPs on the controller, or CTLID_NULL if controller
initialization failed.
Comments:
If periodic interrupts are to be disabled but AIOP interrupts
- are allowed, set Frequency to FREQ_DIS and PeriodicOnly to FALSE.
+ are allowed, set Frequency to FREQ_DIS and PeriodicOnly to 0.
If interrupts are to be completely disabled set IRQNum to 0.
- Setting Frequency to FREQ_DIS and PeriodicOnly to TRUE is an
+ Setting Frequency to FREQ_DIS and PeriodicOnly to 1 is an
invalid combination.
This function performs initialization of global interrupt modes,
After this function all AIOPs on the controller are disabled,
they can be enabled with sEnAiop().
*/
-int sPCIInitController(CONTROLLER_T * CtlP, int CtlNum,
- ByteIO_t * AiopIOList, int AiopIOListSize,
- WordIO_t ConfigIO, int IRQNum, Byte_t Frequency,
- int PeriodicOnly, int altChanRingIndicator,
- int UPCIRingInd)
+static int sPCIInitController(CONTROLLER_T * CtlP, int CtlNum,
+ ByteIO_t * AiopIOList, int AiopIOListSize,
+ WordIO_t ConfigIO, int IRQNum, Byte_t Frequency,
+ int PeriodicOnly, int altChanRingIndicator,
+ int UPCIRingInd)
{
int i;
ByteIO_t io;
Warnings: No context switches are allowed while executing this function.
*/
-int sReadAiopID(ByteIO_t io)
+static int sReadAiopID(ByteIO_t io)
{
Byte_t AiopID; /* ID byte from AIOP */
AIOP, otherwise it is an 8 channel.
Warnings: No context switches are allowed while executing this function.
*/
-int sReadAiopNumChan(WordIO_t io)
+static int sReadAiopNumChan(WordIO_t io)
{
Word_t x;
static Byte_t R[4] = { 0x00, 0x00, 0x34, 0x12 };
/* write to chan 0 SRAM */
- sOutDW((DWordIO_t) io + _INDX_ADDR, *((DWord_t *) & R[0]));
+ out32((DWordIO_t) io + _INDX_ADDR, R);
sOutW(io + _INDX_ADDR, 0); /* read from SRAM, chan 0 */
x = sInW(io + _INDX_DATA);
sOutW(io + _INDX_ADDR, 0x4000); /* read from SRAM, chan 4 */
CHANNEL_T *ChP; Ptr to channel structure
int AiopNum; AIOP number within controller
int ChanNum; Channel number within AIOP
-Return: int: TRUE if initialization succeeded, FALSE if it fails because channel
+Return: int: 1 if initialization succeeded, 0 if it fails because channel
number exceeds number of channels available in AIOP.
Comments: This function must be called before a channel can be used.
Warnings: No range checking on any of the parameters is done.
No context switches are allowed while executing this function.
*/
-int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum,
- int ChanNum)
+static int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum,
+ int ChanNum)
{
int i;
WordIO_t AiopIO;
int brd9600;
if (ChanNum >= CtlP->AiopNumChan[AiopNum])
- return (FALSE); /* exceeds num chans in AIOP */
+ return 0; /* exceeds num chans in AIOP */
/* Channel, AIOP, and controller identifiers */
ChP->CtlP = CtlP;
R[1] = RData[i + 1] + 0x10 * ChanNum;
R[2] = RData[i + 2];
R[3] = RData[i + 3];
- sOutDW(ChP->IndexAddr, *((DWord_t *) & R[0]));
+ out32(ChP->IndexAddr, R);
}
ChR = ChP->R;
ChP->BaudDiv[1] = (Byte_t) ((ChOff + _BAUD) >> 8);
ChP->BaudDiv[2] = (Byte_t) brd9600;
ChP->BaudDiv[3] = (Byte_t) (brd9600 >> 8);
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->BaudDiv[0]);
+ out32(ChP->IndexAddr, ChP->BaudDiv);
ChP->TxControl[0] = (Byte_t) (ChOff + _TX_CTRL);
ChP->TxControl[1] = (Byte_t) ((ChOff + _TX_CTRL) >> 8);
ChP->TxControl[2] = 0;
ChP->TxControl[3] = 0;
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxControl[0]);
+ out32(ChP->IndexAddr, ChP->TxControl);
ChP->RxControl[0] = (Byte_t) (ChOff + _RX_CTRL);
ChP->RxControl[1] = (Byte_t) ((ChOff + _RX_CTRL) >> 8);
ChP->RxControl[2] = 0;
ChP->RxControl[3] = 0;
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->RxControl[0]);
+ out32(ChP->IndexAddr, ChP->RxControl);
ChP->TxEnables[0] = (Byte_t) (ChOff + _TX_ENBLS);
ChP->TxEnables[1] = (Byte_t) ((ChOff + _TX_ENBLS) >> 8);
ChP->TxEnables[2] = 0;
ChP->TxEnables[3] = 0;
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxEnables[0]);
+ out32(ChP->IndexAddr, ChP->TxEnables);
ChP->TxCompare[0] = (Byte_t) (ChOff + _TXCMP1);
ChP->TxCompare[1] = (Byte_t) ((ChOff + _TXCMP1) >> 8);
ChP->TxCompare[2] = 0;
ChP->TxCompare[3] = 0;
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxCompare[0]);
+ out32(ChP->IndexAddr, ChP->TxCompare);
ChP->TxReplace1[0] = (Byte_t) (ChOff + _TXREP1B1);
ChP->TxReplace1[1] = (Byte_t) ((ChOff + _TXREP1B1) >> 8);
ChP->TxReplace1[2] = 0;
ChP->TxReplace1[3] = 0;
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxReplace1[0]);
+ out32(ChP->IndexAddr, ChP->TxReplace1);
ChP->TxReplace2[0] = (Byte_t) (ChOff + _TXREP2);
ChP->TxReplace2[1] = (Byte_t) ((ChOff + _TXREP2) >> 8);
ChP->TxReplace2[2] = 0;
ChP->TxReplace2[3] = 0;
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxReplace2[0]);
+ out32(ChP->IndexAddr, ChP->TxReplace2);
ChP->TxFIFOPtrs = ChOff + _TXF_OUTP;
ChP->TxFIFO = ChOff + _TX_FIFO;
ChP->TxPrioBuf = ChOff + _TXP_BUF;
sEnRxProcessor(ChP); /* start the Rx processor */
- return (TRUE);
+ return 1;
}
/***************************************************************************
After calling this function a delay of 4 uS is required to ensure
that the receive processor is no longer processing this channel.
*/
-void sStopRxProcessor(CHANNEL_T * ChP)
+static void sStopRxProcessor(CHANNEL_T * ChP)
{
Byte_t R[4];
R[1] = ChP->R[1];
R[2] = 0x0a;
R[3] = ChP->R[3];
- sOutDW(ChP->IndexAddr, *(DWord_t *) & R[0]);
+ out32(ChP->IndexAddr, R);
}
/***************************************************************************
this function.
Warnings: No context switches are allowed while executing this function.
*/
-void sFlushRxFIFO(CHANNEL_T * ChP)
+static void sFlushRxFIFO(CHANNEL_T * ChP)
{
int i;
Byte_t Ch; /* channel number within AIOP */
- int RxFIFOEnabled; /* TRUE if Rx FIFO enabled */
+ int RxFIFOEnabled; /* 1 if Rx FIFO enabled */
if (sGetRxCnt(ChP) == 0) /* Rx FIFO empty */
return; /* don't need to flush */
- RxFIFOEnabled = FALSE;
+ RxFIFOEnabled = 0;
if (ChP->R[0x32] == 0x08) { /* Rx FIFO is enabled */
- RxFIFOEnabled = TRUE;
+ RxFIFOEnabled = 1;
sDisRxFIFO(ChP); /* disable it */
for (i = 0; i < 2000 / 200; i++) /* delay 2 uS to allow proc to disable FIFO */
sInB(ChP->IntChan); /* depends on bus i/o timing */
this function.
Warnings: No context switches are allowed while executing this function.
*/
-void sFlushTxFIFO(CHANNEL_T * ChP)
+static void sFlushTxFIFO(CHANNEL_T * ChP)
{
int i;
Byte_t Ch; /* channel number within AIOP */
- int TxEnabled; /* TRUE if transmitter enabled */
+ int TxEnabled; /* 1 if transmitter enabled */
if (sGetTxCnt(ChP) == 0) /* Tx FIFO empty */
return; /* don't need to flush */
- TxEnabled = FALSE;
+ TxEnabled = 0;
if (ChP->TxControl[3] & TX_ENABLE) {
- TxEnabled = TRUE;
+ TxEnabled = 1;
sDisTransmit(ChP); /* disable transmitter */
}
sStopRxProcessor(ChP); /* stop Rx processor */
Warnings: No context switches are allowed while executing this function.
*/
-int sWriteTxPrioByte(CHANNEL_T * ChP, Byte_t Data)
+static int sWriteTxPrioByte(CHANNEL_T * ChP, Byte_t Data)
{
Byte_t DWBuf[4]; /* buffer for double word writes */
Word_t *WordPtr; /* must be far because Win SS != DS */
*WordPtr = ChP->TxPrioBuf; /* data byte address */
DWBuf[2] = Data; /* data byte value */
- sOutDW(IndexAddr, *((DWord_t *) (&DWBuf[0]))); /* write it out */
+ out32(IndexAddr, DWBuf); /* write it out */
*WordPtr = ChP->TxPrioCnt; /* Tx priority count address */
DWBuf[2] = PRI_PEND + 1; /* indicate 1 byte pending */
DWBuf[3] = 0; /* priority buffer pointer */
- sOutDW(IndexAddr, *((DWord_t *) (&DWBuf[0]))); /* write it out */
+ out32(IndexAddr, DWBuf); /* write it out */
} else { /* write it to Tx FIFO */
sWriteTxByte(sGetTxRxDataIO(ChP), Data);
enable channel interrupts. This would allow the global interrupt
status register to be used to determine which AIOPs need service.
*/
-void sEnInterrupts(CHANNEL_T * ChP, Word_t Flags)
+static void sEnInterrupts(CHANNEL_T * ChP, Word_t Flags)
{
Byte_t Mask; /* Interrupt Mask Register */
ChP->RxControl[2] |=
((Byte_t) Flags & (RXINT_EN | SRCINT_EN | MCINT_EN));
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->RxControl[0]);
+ out32(ChP->IndexAddr, ChP->RxControl);
ChP->TxControl[2] |= ((Byte_t) Flags & TXINT_EN);
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxControl[0]);
+ out32(ChP->IndexAddr, ChP->TxControl);
if (Flags & CHANINT_EN) {
Mask = sInB(ChP->IntMask) | sBitMapSetTbl[ChP->ChanNum];
this channel's bit from being set in the AIOP's Interrupt Channel
Register.
*/
-void sDisInterrupts(CHANNEL_T * ChP, Word_t Flags)
+static void sDisInterrupts(CHANNEL_T * ChP, Word_t Flags)
{
Byte_t Mask; /* Interrupt Mask Register */
ChP->RxControl[2] &=
~((Byte_t) Flags & (RXINT_EN | SRCINT_EN | MCINT_EN));
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->RxControl[0]);
+ out32(ChP->IndexAddr, ChP->RxControl);
ChP->TxControl[2] &= ~((Byte_t) Flags & TXINT_EN);
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxControl[0]);
+ out32(ChP->IndexAddr, ChP->TxControl);
if (Flags & CHANINT_EN) {
Mask = sInB(ChP->IntMask) & sBitMapClrTbl[ChP->ChanNum];
}
}
-void sSetInterfaceMode(CHANNEL_T * ChP, Byte_t mode)
+static void sSetInterfaceMode(CHANNEL_T * ChP, Byte_t mode)
{
sOutB(ChP->CtlP->AiopIO[2], (mode & 0x18) | ChP->ChanNum);
}
* Not an official SSCI function, but how to reset RocketModems.
* ISA bus version
*/
-void sModemReset(CONTROLLER_T * CtlP, int chan, int on)
+static void sModemReset(CONTROLLER_T * CtlP, int chan, int on)
{
ByteIO_t addr;
Byte_t val;
* Not an official SSCI function, but how to reset RocketModems.
* PCI bus version
*/
-void sPCIModemReset(CONTROLLER_T * CtlP, int chan, int on)
+static void sPCIModemReset(CONTROLLER_T * CtlP, int chan, int on)
{
ByteIO_t addr;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff