* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
-* (at your option) any later version.
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
#define MXSERMAJOR 174
#define MXSERCUMAJOR 175
-#define MXSER_EVENT_TXLOW 1
-#define MXSER_EVENT_HANGUP 2
+#define MXSER_EVENT_TXLOW 1
+#define MXSER_EVENT_HANGUP 2
#define MXSER_BOARDS 4 /* Max. boards */
#define MXSER_PORTS 32 /* Max. ports */
#define UART_MCR_AFE 0x20
#define UART_LSR_SPECIAL 0x1E
-#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK|IXON|IXOFF))
+#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK|\
+ IXON|IXOFF))
#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? SA_SHIRQ : SA_INTERRUPT)
};
static int mxser_numports[] = {
- 8, // C168-ISA
- 4, // C104-ISA
- 4, // CI104J
- 8, // C168-PCI
- 4, // C104-PCI
- 2, // C102-ISA
- 2, // CI132
- 4, // CI134
- 2, // CP132
- 4, // CP114
- 4, // CT114
- 2, // CP102
- 4, // CP104U
- 8, // CP168U
- 2, // CP132U
- 4, // CP134U
- 4, // CP104JU
- 8, // RC7000
- 8, // CP118U
- 2, // CP102UL
- 2, // CP102U
+ 8, /* C168-ISA */
+ 4, /* C104-ISA */
+ 4, /* CI104J */
+ 8, /* C168-PCI */
+ 4, /* C104-PCI */
+ 2, /* C102-ISA */
+ 2, /* CI132 */
+ 4, /* CI134 */
+ 2, /* CP132 */
+ 4, /* CP114 */
+ 4, /* CT114 */
+ 2, /* CP102 */
+ 4, /* CP104U */
+ 8, /* CP168U */
+ 2, /* CP132U */
+ 4, /* CP134U */
+ 4, /* CP104JU */
+ 8, /* RC7000 */
+ 8, /* CP118U */
+ 2, /* CP102UL */
+ 2, /* CP102U */
};
#define UART_TYPE_NUM 2
MOXA_MUST_MU860_HWID
};
-// This is only for PCI
+/* This is only for PCI */
#define UART_INFO_NUM 3
struct mxpciuart_info {
int type;
typedef struct _moxa_pci_info {
unsigned short busNum;
unsigned short devNum;
- struct pci_dev *pdev; // add by Victor Yu. 06-23-2003
+ struct pci_dev *pdev; /* add by Victor Yu. 06-23-2003 */
} moxa_pci_info;
static int ioaddr[MXSER_BOARDS] = { 0, 0, 0, 0 };
int fifo[32];
int iftype[32];
};
+
struct mxser_hwconf {
int board_type;
int ports;
int ioaddr[MXSER_PORTS_PER_BOARD];
int baud_base[MXSER_PORTS_PER_BOARD];
moxa_pci_info pciInfo;
- int IsMoxaMustChipFlag; // add by Victor Yu. 08-30-2002
- int MaxCanSetBaudRate[MXSER_PORTS_PER_BOARD]; // add by Victor Yu. 09-04-2002
- int opmode_ioaddr[MXSER_PORTS_PER_BOARD]; // add by Victor Yu. 01-05-2004
+ int IsMoxaMustChipFlag; /* add by Victor Yu. 08-30-2002 */
+ int MaxCanSetBaudRate[MXSER_PORTS_PER_BOARD]; /* add by Victor Yu. 09-04-2002 */
+ int opmode_ioaddr[MXSER_PORTS_PER_BOARD]; /* add by Victor Yu. 01-05-2004 */
};
struct mxser_struct {
wait_queue_head_t delta_msr_wait;
struct async_icount icount; /* kernel counters for the 4 input interrupts */
int timeout;
- int IsMoxaMustChipFlag; // add by Victor Yu. 08-30-2002
- int MaxCanSetBaudRate; // add by Victor Yu. 09-04-2002
- int opmode_ioaddr; // add by Victor Yu. 01-05-2004
+ int IsMoxaMustChipFlag; /* add by Victor Yu. 08-30-2002 */
+ int MaxCanSetBaudRate; /* add by Victor Yu. 09-04-2002 */
+ int opmode_ioaddr; /* add by Victor Yu. 01-05-2004 */
unsigned char stop_rx;
unsigned char ldisc_stop_rx;
long realbaud;
spinlock_t slock;
};
-
struct mxser_mstatus {
tcflag_t cflag;
int cts;
static int mxserBoardCAP[MXSER_BOARDS] = {
0, 0, 0, 0
- /* 0x180, 0x280, 0x200, 0x320 */
+ /* 0x180, 0x280, 0x200, 0x320 */
};
static struct tty_driver *mxvar_sdriver;
static void mxser_getcfg(int board, struct mxser_hwconf *hwconf);
static int mxser_init(void);
-//static void mxser_poll(unsigned long);
+/* static void mxser_poll(unsigned long); */
static int mxser_get_ISA_conf(int, struct mxser_hwconf *);
static int mxser_get_PCI_conf(int, int, int, struct mxser_hwconf *);
static void mxser_do_softint(void *);
SET_MOXA_MUST_XON1_VALUE(io, 0x11);
if ((hwid = inb(io + UART_MCR)) != 0) {
outb(oldmcr, io + UART_MCR);
- return (MOXA_OTHER_UART);
+ return MOXA_OTHER_UART;
}
GET_MOXA_MUST_HARDWARE_ID(io, &hwid);
for (i = 0; i < UART_TYPE_NUM; i++) {
if (hwid == Gmoxa_uart_id[i])
- return (int) hwid;
+ return (int)hwid;
}
return MOXA_OTHER_UART;
}
-// above is modified by Victor Yu. 08-15-2002
+/* above is modified by Victor Yu. 08-15-2002 */
static struct tty_operations mxser_ops = {
.open = mxser_open,
else
printk(KERN_ERR "Couldn't unregister MOXA Smartio/Industio family serial driver\n");
-
for (i = 0; i < MXSER_BOARDS; i++) {
struct pci_dev *pdev;
else {
pdev = mxsercfg[i].pciInfo.pdev;
free_irq(mxsercfg[i].irq, &mxvar_table[i * MXSER_PORTS_PER_BOARD]);
- if (pdev != NULL) { //PCI
+ if (pdev != NULL) { /* PCI */
release_region(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2));
release_region(pci_resource_start(pdev, 3), pci_resource_len(pdev, 3));
} else {
}
if (verbose)
printk(KERN_DEBUG "Done.\n");
-
}
static void process_txrx_fifo(struct mxser_struct *info)
n = board * MXSER_PORTS_PER_BOARD;
info = &mxvar_table[n];
/*if (verbose) */ {
- printk(KERN_DEBUG " ttyM%d - ttyM%d ", n, n + hwconf->ports - 1);
- printk(" max. baud rate = %d bps.\n", hwconf->MaxCanSetBaudRate[0]);
+ printk(KERN_DEBUG " ttyM%d - ttyM%d ",
+ n, n + hwconf->ports - 1);
+ printk(" max. baud rate = %d bps.\n",
+ hwconf->MaxCanSetBaudRate[0]);
}
for (i = 0; i < hwconf->ports; i++, n++, info++) {
info->irq = hwconf->irq;
info->vector = hwconf->vector;
info->vectormask = hwconf->vector_mask;
- info->opmode_ioaddr = hwconf->opmode_ioaddr[i]; // add by Victor Yu. 01-05-2004
+ info->opmode_ioaddr = hwconf->opmode_ioaddr[i]; /* add by Victor Yu. 01-05-2004 */
info->stop_rx = 0;
info->ldisc_stop_rx = 0;
info->IsMoxaMustChipFlag = hwconf->IsMoxaMustChipFlag;
- //Enhance mode enabled here
+ /* Enhance mode enabled here */
if (info->IsMoxaMustChipFlag != MOXA_OTHER_UART) {
ENABLE_MOXA_MUST_ENCHANCE_MODE(info->base);
}
/* before set INT ISR, disable all int */
for (i = 0; i < hwconf->ports; i++) {
- outb(inb(hwconf->ioaddr[i] + UART_IER) & 0xf0, hwconf->ioaddr[i] + UART_IER);
+ outb(inb(hwconf->ioaddr[i] + UART_IER) & 0xf0,
+ hwconf->ioaddr[i] + UART_IER);
}
n = board * MXSER_PORTS_PER_BOARD;
info = &mxvar_table[n];
- retval = request_irq(hwconf->irq, mxser_interrupt, IRQ_T(info), "mxser", info);
+ retval = request_irq(hwconf->irq, mxser_interrupt, IRQ_T(info),
+ "mxser", info);
if (retval) {
- printk(KERN_ERR "Board %d: %s", board, mxser_brdname[hwconf->board_type - 1]);
- printk(" Request irq fail,IRQ (%d) may be conflit with another device.\n", info->irq);
+ printk(KERN_ERR "Board %d: %s",
+ board, mxser_brdname[hwconf->board_type - 1]);
+ printk(" Request irq failed, IRQ (%d) may conflict with"
+ " another device.\n", info->irq);
return retval;
}
return 0;
}
-
static void mxser_getcfg(int board, struct mxser_hwconf *hwconf)
{
mxsercfg[board] = *hwconf;
static int mxser_get_PCI_conf(int busnum, int devnum, int board_type, struct mxser_hwconf *hwconf)
{
int i, j;
-// unsigned int val;
+ /* unsigned int val; */
unsigned int ioaddress;
struct pci_dev *pdev = hwconf->pciInfo.pdev;
- //io address
+ /* io address */
hwconf->board_type = board_type;
hwconf->ports = mxser_numports[board_type - 1];
ioaddress = pci_resource_start(pdev, 2);
- request_region(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2), "mxser(IO)");
+ request_region(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2),
+ "mxser(IO)");
- for (i = 0; i < hwconf->ports; i++) {
+ for (i = 0; i < hwconf->ports; i++)
hwconf->ioaddr[i] = ioaddress + 8 * i;
- }
- //vector
+ /* vector */
ioaddress = pci_resource_start(pdev, 3);
- request_region(pci_resource_start(pdev, 3), pci_resource_len(pdev, 3), "mxser(vector)");
+ request_region(pci_resource_start(pdev, 3), pci_resource_len(pdev, 3),
+ "mxser(vector)");
hwconf->vector = ioaddress;
- //irq
+ /* irq */
hwconf->irq = hwconf->pciInfo.pdev->irq;
hwconf->IsMoxaMustChipFlag = CheckIsMoxaMust(hwconf->ioaddr[0]);
if (Gpci_uart_info[j].type == hwconf->IsMoxaMustChipFlag) {
hwconf->MaxCanSetBaudRate[i] = Gpci_uart_info[j].max_baud;
- //exception....CP-102
+ /* exception....CP-102 */
if (board_type == MXSER_BOARD_CP102)
hwconf->MaxCanSetBaudRate[i] = 921600;
break;
else
hwconf->opmode_ioaddr[i] = ioaddress + 0x0c;
}
- outb(0, ioaddress + 4); // default set to RS232 mode
- outb(0, ioaddress + 0x0c); //default set to RS232 mode
+ outb(0, ioaddress + 4); /* default set to RS232 mode */
+ outb(0, ioaddress + 0x0c); /* default set to RS232 mode */
}
for (i = 0; i < hwconf->ports; i++) {
hwconf->vector_mask |= (1 << i);
hwconf->baud_base[i] = 921600;
}
- return (0);
+ return 0;
}
#endif
mxsercfg[i].board_type = -1;
}
- printk(KERN_INFO "MOXA Smartio/Industio family driver version %s\n", MXSER_VERSION);
+ printk(KERN_INFO "MOXA Smartio/Industio family driver version %s\n",
+ MXSER_VERSION);
/* Initialize the tty_driver structure */
memset(mxvar_sdriver, 0, sizeof(struct tty_driver));
mxvar_sdriver->type = TTY_DRIVER_TYPE_SERIAL;
mxvar_sdriver->subtype = SERIAL_TYPE_NORMAL;
mxvar_sdriver->init_termios = tty_std_termios;
- mxvar_sdriver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
+ mxvar_sdriver->init_termios.c_cflag = B9600|CS8|CREAD|HUPCL|CLOCAL;
mxvar_sdriver->flags = TTY_DRIVER_REAL_RAW;
tty_set_operations(mxvar_sdriver, &mxser_ops);
mxvar_sdriver->ttys = mxvar_tty;
/* Start finding ISA boards here */
for (b = 0; b < MXSER_BOARDS && m < MXSER_BOARDS; b++) {
int cap;
+
if (!(cap = mxserBoardCAP[b]))
continue;
retval = mxser_get_ISA_conf(cap, &hwconf);
if (retval != 0)
- printk(KERN_INFO "Found MOXA %s board (CAP=0x%x)\n", mxser_brdname[hwconf.board_type - 1], ioaddr[b]);
+ printk(KERN_INFO "Found MOXA %s board (CAP=0x%x)\n",
+ mxser_brdname[hwconf.board_type - 1], ioaddr[b]);
if (retval <= 0) {
if (retval == MXSER_ERR_IRQ)
- printk(KERN_ERR "Invalid interrupt number,board not configured\n");
+ printk(KERN_ERR "Invalid interrupt number, "
+ "board not configured\n");
else if (retval == MXSER_ERR_IRQ_CONFLIT)
- printk(KERN_ERR "Invalid interrupt number,board not configured\n");
+ printk(KERN_ERR "Invalid interrupt number, "
+ "board not configured\n");
else if (retval == MXSER_ERR_VECTOR)
- printk(KERN_ERR "Invalid interrupt vector,board not configured\n");
+ printk(KERN_ERR "Invalid interrupt vector, "
+ "board not configured\n");
else if (retval == MXSER_ERR_IOADDR)
- printk(KERN_ERR "Invalid I/O address,board not configured\n");
+ printk(KERN_ERR "Invalid I/O address, "
+ "board not configured\n");
continue;
}
hwconf.pciInfo.pdev = NULL;
mxser_getcfg(m, &hwconf);
- //init mxsercfg first, or mxsercfg data is not correct on ISR.
- //mxser_initbrd will hook ISR.
+ /*
+ * init mxsercfg first,
+ * or mxsercfg data is not correct on ISR.
+ */
+ /* mxser_initbrd will hook ISR. */
if (mxser_initbrd(m, &hwconf) < 0)
continue;
-
m++;
}
/* Start finding ISA boards from module arg */
for (b = 0; b < MXSER_BOARDS && m < MXSER_BOARDS; b++) {
int cap;
+
if (!(cap = ioaddr[b]))
continue;
retval = mxser_get_ISA_conf(cap, &hwconf);
if (retval != 0)
- printk(KERN_INFO "Found MOXA %s board (CAP=0x%x)\n", mxser_brdname[hwconf.board_type - 1], ioaddr[b]);
+ printk(KERN_INFO "Found MOXA %s board (CAP=0x%x)\n",
+ mxser_brdname[hwconf.board_type - 1], ioaddr[b]);
if (retval <= 0) {
if (retval == MXSER_ERR_IRQ)
- printk(KERN_ERR "Invalid interrupt number,board not configured\n");
+ printk(KERN_ERR "Invalid interrupt number, "
+ "board not configured\n");
else if (retval == MXSER_ERR_IRQ_CONFLIT)
- printk(KERN_ERR "Invalid interrupt number,board not configured\n");
+ printk(KERN_ERR "Invalid interrupt number, "
+ "board not configured\n");
else if (retval == MXSER_ERR_VECTOR)
- printk(KERN_ERR "Invalid interrupt vector,board not configured\n");
+ printk(KERN_ERR "Invalid interrupt vector, "
+ "board not configured\n");
else if (retval == MXSER_ERR_IOADDR)
- printk(KERN_ERR "Invalid I/O address,board not configured\n");
+ printk(KERN_ERR "Invalid I/O address, "
+ "board not configured\n");
continue;
}
hwconf.pciInfo.pdev = NULL;
mxser_getcfg(m, &hwconf);
- //init mxsercfg first, or mxsercfg data is not correct on ISR.
- //mxser_initbrd will hook ISR.
+ /*
+ * init mxsercfg first,
+ * or mxsercfg data is not correct on ISR.
+ */
+ /* mxser_initbrd will hook ISR. */
if (mxser_initbrd(m, &hwconf) < 0)
continue;
index = 0;
b = 0;
while (b < n) {
- pdev = pci_find_device(mxser_pcibrds[b].vendor, mxser_pcibrds[b].device, pdev);
+ pdev = pci_find_device(mxser_pcibrds[b].vendor,
+ mxser_pcibrds[b].device, pdev);
if (pdev == NULL) {
b++;
continue;
hwconf.pciInfo.busNum = busnum = pdev->bus->number;
hwconf.pciInfo.devNum = devnum = PCI_SLOT(pdev->devfn) << 3;
hwconf.pciInfo.pdev = pdev;
- printk(KERN_INFO "Found MOXA %s board(BusNo=%d,DevNo=%d)\n", mxser_brdname[(int) (mxser_pcibrds[b].driver_data) - 1], busnum, devnum >> 3);
+ printk(KERN_INFO "Found MOXA %s board(BusNo=%d,DevNo=%d)\n",
+ mxser_brdname[(int) (mxser_pcibrds[b].driver_data) - 1],
+ busnum, devnum >> 3);
index++;
- if (m >= MXSER_BOARDS) {
- printk(KERN_ERR "Too many Smartio/Industio family boards find (maximum %d),board not configured\n", MXSER_BOARDS);
- } else {
+ if (m >= MXSER_BOARDS)
+ printk(KERN_ERR
+ "Too many Smartio/Industio family boards find "
+ "(maximum %d), board not configured\n",
+ MXSER_BOARDS);
+ else {
if (pci_enable_device(pdev)) {
- printk(KERN_ERR "Moxa SmartI/O PCI enable fail !\n");
+ printk(KERN_ERR "Moxa SmartI/O PCI enable "
+ "fail !\n");
continue;
}
- retval = mxser_get_PCI_conf(busnum, devnum, (int) mxser_pcibrds[b].driver_data, &hwconf);
+ retval = mxser_get_PCI_conf(busnum, devnum,
+ (int)mxser_pcibrds[b].driver_data,
+ &hwconf);
if (retval < 0) {
if (retval == MXSER_ERR_IRQ)
- printk(KERN_ERR "Invalid interrupt number,board not configured\n");
+ printk(KERN_ERR
+ "Invalid interrupt number, "
+ "board not configured\n");
else if (retval == MXSER_ERR_IRQ_CONFLIT)
- printk(KERN_ERR "Invalid interrupt number,board not configured\n");
+ printk(KERN_ERR
+ "Invalid interrupt number, "
+ "board not configured\n");
else if (retval == MXSER_ERR_VECTOR)
- printk(KERN_ERR "Invalid interrupt vector,board not configured\n");
+ printk(KERN_ERR
+ "Invalid interrupt vector, "
+ "board not configured\n");
else if (retval == MXSER_ERR_IOADDR)
- printk(KERN_ERR "Invalid I/O address,board not configured\n");
+ printk(KERN_ERR
+ "Invalid I/O address, "
+ "board not configured\n");
continue;
}
mxser_getcfg(m, &hwconf);
- //init mxsercfg first, or mxsercfg data is not correct on ISR.
- //mxser_initbrd will hook ISR.
+ /* init mxsercfg first,
+ * or mxsercfg data is not correct on ISR.
+ */
+ /* mxser_initbrd will hook ISR. */
if (mxser_initbrd(m, &hwconf) < 0)
continue;
m++;
retval = tty_register_driver(mxvar_sdriver);
if (retval) {
- printk(KERN_ERR "Couldn't install MOXA Smartio/Industio family driver !\n");
+ printk(KERN_ERR "Couldn't install MOXA Smartio/Industio family"
+ " driver !\n");
put_tty_driver(mxvar_sdriver);
for (i = 0; i < MXSER_BOARDS; i++) {
continue;
else {
free_irq(mxsercfg[i].irq, &mxvar_table[i * MXSER_PORTS_PER_BOARD]);
- //todo: release io, vector
+ /* todo: release io, vector */
}
}
return retval;
return -ENODEV;
info = mxvar_table + line;
if (!info->base)
- return (-ENODEV);
+ return -ENODEV;
tty->driver_data = info;
info->tty = tty;
*/
retval = mxser_startup(info);
if (retval)
- return (retval);
+ return retval;
retval = mxser_block_til_ready(tty, filp, info);
if (retval)
- return (retval);
+ return retval;
info->count++;
info->pgrp = process_group(current);
clear_bit(TTY_DONT_FLIP, &tty->flags);
- //status = mxser_get_msr(info->base, 0, info->port);
- //mxser_check_modem_status(info, status);
+ /*
+ status = mxser_get_msr(info->base, 0, info->port);
+ mxser_check_modem_status(info, status);
+ */
-/* unmark here for very high baud rate (ex. 921600 bps) used
-*/
+/* unmark here for very high baud rate (ex. 921600 bps) used */
tty->low_latency = 1;
return 0;
}
* one, we've got real problems, since it means the
* serial port won't be shutdown.
*/
- printk(KERN_ERR "mxser_close: bad serial port count; tty->count is 1, " "info->count is %d\n", info->count);
+ printk(KERN_ERR "mxser_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_ERR "mxser_close: bad serial port count for ttys%d: %d\n", info->port, info->count);
+ printk(KERN_ERR "mxser_close: bad serial port count for "
+ "ttys%d: %d\n", info->port, info->count);
info->count = 0;
}
if (info->count) {
ld = tty_ldisc_ref(tty);
if (ld) {
- if(ld->flush_buffer)
+ if (ld->flush_buffer)
ld->flush_buffer(tty);
tty_ldisc_deref(ld);
}
unsigned long flags;
if (!info->xmit_buf)
- return (0);
+ return 0;
while (1) {
- c = min_t(int, count, min(SERIAL_XMIT_SIZE - info->xmit_cnt - 1, SERIAL_XMIT_SIZE - info->xmit_head));
+ c = min_t(int, count, min(SERIAL_XMIT_SIZE - info->xmit_cnt - 1,
+ SERIAL_XMIT_SIZE - info->xmit_head));
if (c <= 0)
break;
memcpy(info->xmit_buf + info->xmit_head, buf, c);
spin_lock_irqsave(&info->slock, flags);
- info->xmit_head = (info->xmit_head + c) & (SERIAL_XMIT_SIZE - 1);
+ info->xmit_head = (info->xmit_head + c) &
+ (SERIAL_XMIT_SIZE - 1);
info->xmit_cnt += c;
spin_unlock_irqrestore(&info->slock, flags);
buf += c;
count -= c;
total += c;
-
}
if (info->xmit_cnt && !tty->stopped && !(info->IER & UART_IER_THRI)) {
- if (!tty->hw_stopped || (info->type == PORT_16550A) || (info->IsMoxaMustChipFlag)) {
+ if (!tty->hw_stopped ||
+ (info->type == PORT_16550A) ||
+ (info->IsMoxaMustChipFlag)) {
spin_lock_irqsave(&info->slock, flags);
info->IER |= UART_IER_THRI;
outb(info->IER, info->base + UART_IER);
info->xmit_cnt++;
spin_unlock_irqrestore(&info->slock, flags);
if (!tty->stopped && !(info->IER & UART_IER_THRI)) {
- if (!tty->hw_stopped || (info->type == PORT_16550A) || info->IsMoxaMustChipFlag) {
+ if (!tty->hw_stopped ||
+ (info->type == PORT_16550A) ||
+ info->IsMoxaMustChipFlag) {
spin_lock_irqsave(&info->slock, flags);
info->IER |= UART_IER_THRI;
outb(info->IER, info->base + UART_IER);
struct mxser_struct *info = tty->driver_data;
unsigned long flags;
- if (info->xmit_cnt <= 0 || tty->stopped || !info->xmit_buf || (tty->hw_stopped && (info->type != PORT_16550A) && (!info->IsMoxaMustChipFlag)))
+ if (info->xmit_cnt <= 0 ||
+ tty->stopped ||
+ !info->xmit_buf ||
+ (tty->hw_stopped &&
+ (info->type != PORT_16550A) &&
+ (!info->IsMoxaMustChipFlag)
+ ))
return;
spin_lock_irqsave(&info->slock, flags);
ret = SERIAL_XMIT_SIZE - info->xmit_cnt - 1;
if (ret < 0)
ret = 0;
- return (ret);
+ return ret;
}
static int mxser_chars_in_buffer(struct tty_struct *tty)
/* below added by shinhay */
fcr = inb(info->base + UART_FCR);
- outb((fcr | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT), info->base + UART_FCR);
+ outb((fcr | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT),
+ info->base + UART_FCR);
outb(fcr, info->base + UART_FCR);
spin_unlock_irqrestore(&info->slock, flags);
void __user *argp = (void __user *)arg;
if (tty->index == MXSER_PORTS)
- return (mxser_ioctl_special(cmd, argp));
+ return mxser_ioctl_special(cmd, argp);
- // following add by Victor Yu. 01-05-2004
+ /* following add by Victor Yu. 01-05-2004 */
if (cmd == MOXA_SET_OP_MODE || cmd == MOXA_GET_OP_MODE) {
int opmode, p;
static unsigned char ModeMask[] = { 0xfc, 0xf3, 0xcf, 0x3f };
if (cmd == MOXA_SET_OP_MODE) {
if (get_user(opmode, (int __user *) argp))
return -EFAULT;
- if (opmode != RS232_MODE && opmode != RS485_2WIRE_MODE && opmode != RS422_MODE && opmode != RS485_4WIRE_MODE)
+ if (opmode != RS232_MODE &&
+ opmode != RS485_2WIRE_MODE &&
+ opmode != RS422_MODE &&
+ opmode != RS485_4WIRE_MODE)
return -EFAULT;
mask = ModeMask[p];
shiftbit = p * 2;
}
return 0;
}
- // above add by Victor Yu. 01-05-2004
+ /* above add by Victor Yu. 01-05-2004 */
if ((cmd != TIOCGSERIAL) && (cmd != TIOCMIWAIT) && (cmd != TIOCGICOUNT)) {
if (tty->flags & (1 << TTY_IO_ERROR))
- return (-EIO);
+ return -EIO;
}
switch (cmd) {
case TCSBRK: /* SVID version: non-zero arg --> no break */
retval = tty_check_change(tty);
if (retval)
- return (retval);
+ return retval;
tty_wait_until_sent(tty, 0);
if (!arg)
mxser_send_break(info, HZ / 4); /* 1/4 second */
- return (0);
+ return 0;
case TCSBRKP: /* support for POSIX tcsendbreak() */
retval = tty_check_change(tty);
if (retval)
- return (retval);
+ return retval;
tty_wait_until_sent(tty, 0);
mxser_send_break(info, arg ? arg * (HZ / 10) : HZ / 4);
- return (0);
+ return 0;
case TIOCGSOFTCAR:
- return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long __user *) argp);
+ return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long __user *)argp);
case TIOCSSOFTCAR:
if (get_user(templ, (unsigned long __user *) argp))
return -EFAULT;
arg = templ;
tty->termios->c_cflag = ((tty->termios->c_cflag & ~CLOCAL) | (arg ? CLOCAL : 0));
- return (0);
+ return 0;
case TIOCGSERIAL:
return mxser_get_serial_info(info, argp);
case TIOCSSERIAL:
* (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
* Caller should use TIOCGICOUNT to see which one it was
*/
- case TIOCMIWAIT:{
+ case TIOCMIWAIT: {
DECLARE_WAITQUEUE(wait, current);
int ret;
spin_lock_irqsave(&info->slock, flags);
spin_unlock_irqrestore(&info->slock, flags);
set_current_state(TASK_INTERRUPTIBLE);
- if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) || ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) {
+ if (((arg & TIOCM_RNG) &&
+ (cnow.rng != cprev.rng)) ||
+ ((arg & TIOCM_DSR) &&
+ (cnow.dsr != cprev.dsr)) ||
+ ((arg & TIOCM_CD) &&
+ (cnow.dcd != cprev.dcd)) ||
+ ((arg & TIOCM_CTS) &&
+ (cnow.cts != cprev.cts))) {
ret = 0;
break;
}
put_user(cnow.dsr, &p_cuser->dsr);
put_user(cnow.rng, &p_cuser->rng);
put_user(cnow.dcd, &p_cuser->dcd);
-
-/* */
return 0;
case MOXA_HighSpeedOn:
- return put_user(info->baud_base != 115200 ? 1 : 0, (int __user *) argp);
-
- case MOXA_SDS_RSTICOUNTER:{
+ return put_user(info->baud_base != 115200 ? 1 : 0, (int __user *)argp);
+ case MOXA_SDS_RSTICOUNTER: {
info->mon_data.rxcnt = 0;
info->mon_data.txcnt = 0;
return 0;
}
-// (above) added by James.
+/* (above) added by James. */
case MOXA_ASPP_SETBAUD:{
long baud;
- if (get_user(baud, (long __user *) argp))
+ if (get_user(baud, (long __user *)argp))
return -EFAULT;
mxser_set_baud(info, baud);
return 0;
return 0;
}
- case MOXA_ASPP_MON:{
+ case MOXA_ASPP_MON: {
int mcr, status;
-// info->mon_data.ser_param = tty->termios->c_cflag;
+
+ /* info->mon_data.ser_param = tty->termios->c_cflag; */
status = mxser_get_msr(info->base, 1, info->port, info);
mxser_check_modem_status(info, status);
else
info->mon_data.hold_reason &= ~NPPI_NOTIFY_CTSHOLD;
-
- if (copy_to_user(argp, &info->mon_data, sizeof(struct mxser_mon)))
+ if (copy_to_user(argp, &info->mon_data,
+ sizeof(struct mxser_mon)))
return -EFAULT;
return 0;
-
}
- case MOXA_ASPP_LSTATUS:{
- if (copy_to_user(argp, &info->err_shadow, sizeof(unsigned char)))
+ case MOXA_ASPP_LSTATUS: {
+ if (copy_to_user(argp, &info->err_shadow,
+ sizeof(unsigned char)))
return -EFAULT;
info->err_shadow = 0;
return 0;
-
}
- case MOXA_SET_BAUD_METHOD:{
+ case MOXA_SET_BAUD_METHOD: {
int method;
- if (get_user(method, (int __user *) argp))
+
+ if (get_user(method, (int __user *)argp))
return -EFAULT;
mxser_set_baud_method[info->port] = method;
if (copy_to_user(argp, &method, sizeof(int)))
switch (cmd) {
case MOXA_GET_CONF:
- if (copy_to_user(argp, mxsercfg, sizeof(struct mxser_hwconf) * 4))
+ if (copy_to_user(argp, mxsercfg,
+ sizeof(struct mxser_hwconf) * 4))
return -EFAULT;
return 0;
case MOXA_GET_MAJOR:
if (mxvar_table[i].base)
result |= (1 << i);
}
- return put_user(result, (unsigned long __user *) argp);
+ return put_user(result, (unsigned long __user *)argp);
case MOXA_GETDATACOUNT:
if (copy_to_user(argp, &mxvar_log, sizeof(mxvar_log)))
return -EFAULT;
- return (0);
+ return 0;
case MOXA_GETMSTATUS:
for (i = 0; i < MXSER_PORTS; i++) {
GMStatus[i].ri = 0;
else
GMStatus[i].cts = 0;
}
- if (copy_to_user(argp, GMStatus, sizeof(struct mxser_mstatus) * MXSER_PORTS))
+ if (copy_to_user(argp, GMStatus,
+ sizeof(struct mxser_mstatus) * MXSER_PORTS))
return -EFAULT;
return 0;
- case MOXA_ASPP_MON_EXT:{
+ case MOXA_ASPP_MON_EXT: {
int status;
int opmode, p;
int shiftbit;
unsigned cflag, iflag;
for (i = 0; i < MXSER_PORTS; i++) {
-
if (!mxvar_table[i].base)
continue;
- status = mxser_get_msr(mxvar_table[i].base, 0, i, &(mxvar_table[i]));
-// mxser_check_modem_status(&mxvar_table[i], status);
+ status = mxser_get_msr(mxvar_table[i].base, 0,
+ i, &(mxvar_table[i]));
+ /*
+ mxser_check_modem_status(&mxvar_table[i],
+ status);
+ */
if (status & UART_MSR_TERI)
mxvar_table[i].icount.rng++;
if (status & UART_MSR_DDSR)
return 0;
}
-
static void mxser_stoprx(struct tty_struct *tty)
{
struct mxser_struct *info = tty->driver_data;
- //unsigned long flags;
-
+ /* unsigned long flags; */
info->ldisc_stop_rx = 1;
if (I_IXOFF(tty)) {
-
- //MX_LOCK(&info->slock);
- // following add by Victor Yu. 09-02-2002
+ /* MX_LOCK(&info->slock); */
+ /* following add by Victor Yu. 09-02-2002 */
if (info->IsMoxaMustChipFlag) {
info->IER &= ~MOXA_MUST_RECV_ISR;
outb(info->IER, info->base + UART_IER);
} else {
- // above add by Victor Yu. 09-02-2002
-
+ /* above add by Victor Yu. 09-02-2002 */
info->x_char = STOP_CHAR(tty);
- // outb(info->IER, 0); // mask by Victor Yu. 09-02-2002
+ /* mask by Victor Yu. 09-02-2002 */
+ /* outb(info->IER, 0); */
outb(0, info->base + UART_IER);
info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER); /* force Tx interrupt */
- } // add by Victor Yu. 09-02-2002
- //MX_UNLOCK(&info->slock);
+ /* force Tx interrupt */
+ outb(info->IER, info->base + UART_IER);
+ } /* add by Victor Yu. 09-02-2002 */
+ /* MX_UNLOCK(&info->slock); */
}
if (info->tty->termios->c_cflag & CRTSCTS) {
- //MX_LOCK(&info->slock);
+ /* MX_LOCK(&info->slock); */
info->MCR &= ~UART_MCR_RTS;
outb(info->MCR, info->base + UART_MCR);
- //MX_UNLOCK(&info->slock);
+ /* MX_UNLOCK(&info->slock); */
}
}
static void mxser_startrx(struct tty_struct *tty)
{
struct mxser_struct *info = tty->driver_data;
- //unsigned long flags;
+ /* unsigned long flags; */
info->ldisc_stop_rx = 0;
if (I_IXOFF(tty)) {
if (info->x_char)
info->x_char = 0;
else {
- //MX_LOCK(&info->slock);
+ /* MX_LOCK(&info->slock); */
- // following add by Victor Yu. 09-02-2002
+ /* following add by Victor Yu. 09-02-2002 */
if (info->IsMoxaMustChipFlag) {
info->IER |= MOXA_MUST_RECV_ISR;
outb(info->IER, info->base + UART_IER);
} else {
- // above add by Victor Yu. 09-02-2002
+ /* above add by Victor Yu. 09-02-2002 */
info->x_char = START_CHAR(tty);
- // outb(info->IER, 0); // mask by Victor Yu. 09-02-2002
- outb(0, info->base + UART_IER); // add by Victor Yu. 09-02-2002
- info->IER |= UART_IER_THRI; /* force Tx interrupt */
+ /* mask by Victor Yu. 09-02-2002 */
+ /* outb(info->IER, 0); */
+ /* add by Victor Yu. 09-02-2002 */
+ outb(0, info->base + UART_IER);
+ /* force Tx interrupt */
+ info->IER |= UART_IER_THRI;
outb(info->IER, info->base + UART_IER);
- } // add by Victor Yu. 09-02-2002
- //MX_UNLOCK(&info->slock);
+ } /* add by Victor Yu. 09-02-2002 */
+ /* MX_UNLOCK(&info->slock); */
}
}
if (info->tty->termios->c_cflag & CRTSCTS) {
- //MX_LOCK(&info->slock);
+ /* MX_LOCK(&info->slock); */
info->MCR |= UART_MCR_RTS;
outb(info->MCR, info->base + UART_MCR);
- //MX_UNLOCK(&info->slock);
+ /* MX_UNLOCK(&info->slock); */
}
}
*/
static void mxser_throttle(struct tty_struct *tty)
{
- //struct mxser_struct *info = tty->driver_data;
- //unsigned long flags;
- //MX_LOCK(&info->slock);
+ /* struct mxser_struct *info = tty->driver_data; */
+ /* unsigned long flags; */
+
+ /* MX_LOCK(&info->slock); */
mxser_stoprx(tty);
- //MX_UNLOCK(&info->slock);
+ /* MX_UNLOCK(&info->slock); */
}
static void mxser_unthrottle(struct tty_struct *tty)
{
- //struct mxser_struct *info = tty->driver_data;
- //unsigned long flags;
- //MX_LOCK(&info->slock);
+ /* struct mxser_struct *info = tty->driver_data; */
+ /* unsigned long flags; */
+
+ /* MX_LOCK(&info->slock); */
mxser_startrx(tty);
- //MX_UNLOCK(&info->slock);
+ /* MX_UNLOCK(&info->slock); */
}
static void mxser_set_termios(struct tty_struct *tty, struct termios *old_termios)
struct mxser_struct *info = tty->driver_data;
unsigned long flags;
- if ((tty->termios->c_cflag != old_termios->c_cflag) || (RELEVANT_IFLAG(tty->termios->c_iflag) != RELEVANT_IFLAG(old_termios->c_iflag))) {
+ if ((tty->termios->c_cflag != old_termios->c_cflag) ||
+ (RELEVANT_IFLAG(tty->termios->c_iflag) != RELEVANT_IFLAG(old_termios->c_iflag))) {
mxser_change_speed(info, old_termios);
- if ((old_termios->c_cflag & CRTSCTS) && !(tty->termios->c_cflag & CRTSCTS)) {
+ if ((old_termios->c_cflag & CRTSCTS) &&
+ !(tty->termios->c_cflag & CRTSCTS)) {
tty->hw_stopped = 0;
mxser_start(tty);
}
}
/* Handle sw stopped */
- if ((old_termios->c_iflag & IXON) && !(tty->termios->c_iflag & IXON)) {
+ if ((old_termios->c_iflag & IXON) &&
+ !(tty->termios->c_iflag & IXON)) {
tty->stopped = 0;
- // following add by Victor Yu. 09-02-2002
+ /* following add by Victor Yu. 09-02-2002 */
if (info->IsMoxaMustChipFlag) {
spin_lock_irqsave(&info->slock, flags);
DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->base);
spin_unlock_irqrestore(&info->slock, flags);
}
- // above add by Victor Yu. 09-02-2002
+ /* above add by Victor Yu. 09-02-2002 */
mxser_start(tty);
}
if (!timeout || timeout > 2 * info->timeout)
timeout = 2 * info->timeout;
#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
- printk(KERN_DEBUG "In rs_wait_until_sent(%d) check=%lu...", timeout, char_time);
+ printk(KERN_DEBUG "In rs_wait_until_sent(%d) check=%lu...",
+ timeout, char_time);
printk("jiff=%lu...", jiffies);
#endif
while (!((lsr = inb(info->base + UART_LSR)) & UART_LSR_TEMT)) {
}
-// added by James 03-12-2004.
+/* added by James 03-12-2004. */
/*
* mxser_rs_break() --- routine which turns the break handling on or off
*/
spin_lock_irqsave(&info->slock, flags);
if (break_state == -1)
- outb(inb(info->base + UART_LCR) | UART_LCR_SBC, info->base + UART_LCR);
+ outb(inb(info->base + UART_LCR) | UART_LCR_SBC,
+ info->base + UART_LCR);
else
- outb(inb(info->base + UART_LCR) & ~UART_LCR_SBC, info->base + UART_LCR);
+ outb(inb(info->base + UART_LCR) & ~UART_LCR_SBC,
+ info->base + UART_LCR);
spin_unlock_irqrestore(&info->slock, flags);
}
-// (above) added by James.
+/* (above) added by James. */
/*
int handled = IRQ_NONE;
port = NULL;
- //spin_lock(&gm_lock);
+ /* spin_lock(&gm_lock); */
for (i = 0; i < MXSER_BOARDS; i++) {
if (dev_id == &(mxvar_table[i * MXSER_PORTS_PER_BOARD])) {
}
}
- if (i == MXSER_BOARDS) {
+ if (i == MXSER_BOARDS)
goto irq_stop;
- }
- if (port == 0) {
+ if (port == 0)
goto irq_stop;
- }
max = mxser_numports[mxsercfg[i].board_type - 1];
while (1) {
irqbits = inb(port->vector) & port->vectormask;
- if (irqbits == port->vectormask) {
+ if (irqbits == port->vectormask)
break;
- }
handled = IRQ_HANDLED;
for (i = 0, bits = 1; i < max; i++, irqbits |= bits, bits <<= 1) {
- if (irqbits == port->vectormask) {
+ if (irqbits == port->vectormask)
break;
- }
if (bits & irqbits)
continue;
info = port + i;
- // following add by Victor Yu. 09-13-2002
+ /* following add by Victor Yu. 09-13-2002 */
iir = inb(info->base + UART_IIR);
if (iir & UART_IIR_NO_INT)
continue;
inb(info->base + UART_MSR);
continue;
}
- // above add by Victor Yu. 09-13-2002
+ /* above add by Victor Yu. 09-13-2002 */
/*
- if ( info->tty->flip.count < TTY_FLIPBUF_SIZE/4 ){
+ if (info->tty->flip.count < TTY_FLIPBUF_SIZE / 4) {
info->IER |= MOXA_MUST_RECV_ISR;
outb(info->IER, info->base + UART_IER);
}
status = inb(info->base + UART_LSR) & info->read_status_mask;
*/
- // following add by Victor Yu. 09-02-2002
+ /* following add by Victor Yu. 09-02-2002 */
status = inb(info->base + UART_LSR);
- if (status & UART_LSR_PE) {
+ if (status & UART_LSR_PE)
info->err_shadow |= NPPI_NOTIFY_PARITY;
- }
- if (status & UART_LSR_FE) {
+ if (status & UART_LSR_FE)
info->err_shadow |= NPPI_NOTIFY_FRAMING;
- }
- if (status & UART_LSR_OE) {
+ if (status & UART_LSR_OE)
info->err_shadow |= NPPI_NOTIFY_HW_OVERRUN;
- }
if (status & UART_LSR_BI)
info->err_shadow |= NPPI_NOTIFY_BREAK;
continue;
}
*/
- if (iir == MOXA_MUST_IIR_GDA || iir == MOXA_MUST_IIR_RDA || iir == MOXA_MUST_IIR_RTO || iir == MOXA_MUST_IIR_LSR)
+ if (iir == MOXA_MUST_IIR_GDA ||
+ iir == MOXA_MUST_IIR_RDA ||
+ iir == MOXA_MUST_IIR_RTO ||
+ iir == MOXA_MUST_IIR_LSR)
mxser_receive_chars(info, &status);
} else {
- // above add by Victor Yu. 09-02-2002
+ /* above add by Victor Yu. 09-02-2002 */
status &= info->read_status_mask;
if (status & UART_LSR_DR)
if (msr & UART_MSR_ANY_DELTA) {
mxser_check_modem_status(info, msr);
}
- // following add by Victor Yu. 09-13-2002
+ /* following add by Victor Yu. 09-13-2002 */
if (info->IsMoxaMustChipFlag) {
if ((iir == 0x02) && (status & UART_LSR_THRE)) {
mxser_transmit_chars(info);
}
} else {
- // above add by Victor Yu. 09-13-2002
+ /* above add by Victor Yu. 09-13-2002 */
if (status & UART_LSR_THRE) {
/* 8-2-99 by William
}
irq_stop:
- //spin_unlock(&gm_lock);
+ /* spin_unlock(&gm_lock); */
return handled;
}
recv_room = tty->receive_room;
if ((recv_room == 0) && (!info->ldisc_stop_rx)) {
- //mxser_throttle(tty);
+ /* mxser_throttle(tty); */
mxser_stoprx(tty);
- //return;
+ /* return; */
}
- // following add by Victor Yu. 09-02-2002
+ /* following add by Victor Yu. 09-02-2002 */
if (info->IsMoxaMustChipFlag != MOXA_OTHER_UART) {
if (*status & UART_LSR_SPECIAL) {
goto intr_old;
}
- // following add by Victor Yu. 02-11-2004
- if (info->IsMoxaMustChipFlag == MOXA_MUST_MU860_HWID && (*status & MOXA_MUST_LSR_RERR))
+ /* following add by Victor Yu. 02-11-2004 */
+ if (info->IsMoxaMustChipFlag == MOXA_MUST_MU860_HWID &&
+ (*status & MOXA_MUST_LSR_RERR))
goto intr_old;
- // above add by Victor Yu. 02-14-2004
+ /* above add by Victor Yu. 02-14-2004 */
if (*status & MOXA_MUST_LSR_RERR)
goto intr_old;
gdl = inb(info->base + MOXA_MUST_GDL_REGISTER);
- if (info->IsMoxaMustChipFlag == MOXA_MUST_MU150_HWID) // add by Victor Yu. 02-11-2004
+ /* add by Victor Yu. 02-11-2004 */
+ if (info->IsMoxaMustChipFlag == MOXA_MUST_MU150_HWID)
gdl &= MOXA_MUST_GDL_MASK;
if (gdl >= recv_room) {
if (!info->ldisc_stop_rx) {
- //mxser_throttle(tty);
+ /* mxser_throttle(tty); */
mxser_stoprx(tty);
}
- //return;
+ /* return; */
}
while (gdl--) {
ch = inb(info->base + UART_RX);
tty_insert_flip_char(tty, ch, 0);
cnt++;
/*
- if((cnt>=HI_WATER) && (info->stop_rx==0)){
+ if ((cnt >= HI_WATER) && (info->stop_rx == 0)) {
mxser_stoprx(tty);
- info->stop_rx=1;
+ info->stop_rx = 1;
break;
} */
}
goto end_intr;
}
-intr_old:
- // above add by Victor Yu. 09-02-2002
+ intr_old:
+ /* above add by Victor Yu. 09-02-2002 */
do {
if (max-- < 0)
break;
/*
- if((cnt>=HI_WATER) && (info->stop_rx==0)){
+ if ((cnt >= HI_WATER) && (info->stop_rx == 0)) {
mxser_stoprx(tty);
info->stop_rx=1;
break;
*/
ch = inb(info->base + UART_RX);
- // following add by Victor Yu. 09-02-2002
+ /* following add by Victor Yu. 09-02-2002 */
if (info->IsMoxaMustChipFlag && (*status & UART_LSR_OE) /*&& !(*status&UART_LSR_DR) */ )
outb(0x23, info->base + UART_FCR);
*status &= info->read_status_mask;
- // above add by Victor Yu. 09-02-2002
+ /* above add by Victor Yu. 09-02-2002 */
if (*status & info->ignore_status_mask) {
if (++ignored > 100)
break;
cnt++;
if (cnt >= recv_room) {
if (!info->ldisc_stop_rx) {
- //mxser_throttle(tty);
+ /* mxser_throttle(tty); */
mxser_stoprx(tty);
}
break;
}
- // following add by Victor Yu. 09-02-2002
+ /* following add by Victor Yu. 09-02-2002 */
if (info->IsMoxaMustChipFlag)
break;
- // above add by Victor Yu. 09-02-2002
+ /* above add by Victor Yu. 09-02-2002 */
/* mask by Victor Yu. 09-02-2002
*status = inb(info->base + UART_LSR) & info->read_status_mask;
*/
- // following add by Victor Yu. 09-02-2002
+ /* following add by Victor Yu. 09-02-2002 */
*status = inb(info->base + UART_LSR);
- // above add by Victor Yu. 09-02-2002
+ /* above add by Victor Yu. 09-02-2002 */
} while (*status & UART_LSR_DR);
-end_intr: // add by Victor Yu. 09-02-2002
-
+end_intr: /* add by Victor Yu. 09-02-2002 */
mxvar_log.rxcnt[info->port] += cnt;
info->mon_data.rxcnt += cnt;
info->mon_data.up_rxcnt += cnt;
return;
}
- if ((info->xmit_cnt <= 0) || info->tty->stopped || (info->tty->hw_stopped && (info->type != PORT_16550A) && (!info->IsMoxaMustChipFlag))) {
+ if ((info->xmit_cnt <= 0) || info->tty->stopped ||
+ (info->tty->hw_stopped &&
+ (info->type != PORT_16550A) &&
+ (!info->IsMoxaMustChipFlag))) {
info->IER &= ~UART_IER_THRI;
outb(info->IER, info->base + UART_IER);
spin_unlock_irqrestore(&info->slock, flags);
cnt = info->xmit_cnt;
count = info->xmit_fifo_size;
do {
- outb(info->xmit_buf[info->xmit_tail++], info->base + UART_TX);
+ outb(info->xmit_buf[info->xmit_tail++],
+ info->base + UART_TX);
info->xmit_tail = info->xmit_tail & (SERIAL_XMIT_SIZE - 1);
if (--info->xmit_cnt <= 0)
break;
} while (--count > 0);
mxvar_log.txcnt[info->port] += (cnt - info->xmit_cnt);
-// added by James 03-12-2004.
+/* added by James 03-12-2004. */
info->mon_data.txcnt += (cnt - info->xmit_cnt);
info->mon_data.up_txcnt += (cnt - info->xmit_cnt);
-// (above) added by James.
+/* (above) added by James. */
/* added by casper 1/11/2000 */
info->icount.tx += (cnt - info->xmit_cnt);
info->mon_data.modem_status = status;
wake_up_interruptible(&info->delta_msr_wait);
-
if ((info->flags & ASYNC_CHECK_CD) && (status & UART_MSR_DDCD)) {
if (status & UART_MSR_DCD)
wake_up_interruptible(&info->open_wait);
if (status & UART_MSR_CTS) {
info->tty->hw_stopped = 0;
- if ((info->type != PORT_16550A) && (!info->IsMoxaMustChipFlag)) {
+ if ((info->type != PORT_16550A) &&
+ (!info->IsMoxaMustChipFlag)) {
info->IER |= UART_IER_THRI;
outb(info->IER, info->base + UART_IER);
}
} else {
if (!(status & UART_MSR_CTS)) {
info->tty->hw_stopped = 1;
- if ((info->type != PORT_16550A) && (!info->IsMoxaMustChipFlag)) {
+ if ((info->type != PORT_16550A) &&
+ (!info->IsMoxaMustChipFlag)) {
info->IER &= ~UART_IER_THRI;
outb(info->IER, info->base + UART_IER);
}
*/
if ((filp->f_flags & O_NONBLOCK) || (tty->flags & (1 << TTY_IO_ERROR))) {
info->flags |= ASYNC_NORMAL_ACTIVE;
- return (0);
+ return 0;
}
if (tty->termios->c_cflag & CLOCAL)
info->blocked_open++;
while (1) {
spin_lock_irqsave(&info->slock, flags);
- outb(inb(info->base + UART_MCR) | UART_MCR_DTR | UART_MCR_RTS, info->base + UART_MCR);
+ outb(inb(info->base + UART_MCR) |
+ UART_MCR_DTR | UART_MCR_RTS, info->base + UART_MCR);
spin_unlock_irqrestore(&info->slock, flags);
set_current_state(TASK_INTERRUPTIBLE);
if (tty_hung_up_p(filp) || !(info->flags & ASYNC_INITIALIZED)) {
retval = -ERESTARTSYS;
break;
}
- if (!(info->flags & ASYNC_CLOSING) && (do_clocal || (inb(info->base + UART_MSR) & UART_MSR_DCD)))
+ if (!(info->flags & ASYNC_CLOSING) &&
+ (do_clocal ||
+ (inb(info->base + UART_MSR) & UART_MSR_DCD)))
break;
if (signal_pending(current)) {
retval = -ERESTARTSYS;
info->count++;
info->blocked_open--;
if (retval)
- return (retval);
+ return retval;
info->flags |= ASYNC_NORMAL_ACTIVE;
- return (0);
+ return 0;
}
static int mxser_startup(struct mxser_struct *info)
{
-
unsigned long page;
unsigned long flags;
page = __get_free_page(GFP_KERNEL);
if (!page)
- return (-ENOMEM);
+ return -ENOMEM;
spin_lock_irqsave(&info->slock, flags);
if (info->flags & ASYNC_INITIALIZED) {
free_page(page);
spin_unlock_irqrestore(&info->slock, flags);
- return (0);
+ return 0;
}
if (!info->base || !info->type) {
set_bit(TTY_IO_ERROR, &info->tty->flags);
free_page(page);
spin_unlock_irqrestore(&info->slock, flags);
- return (0);
+ return 0;
}
if (info->xmit_buf)
free_page(page);
* (they will be reenabled in mxser_change_speed())
*/
if (info->IsMoxaMustChipFlag)
- outb((UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT | MOXA_MUST_FCR_GDA_MODE_ENABLE), info->base + UART_FCR);
+ outb((UART_FCR_CLEAR_RCVR |
+ UART_FCR_CLEAR_XMIT |
+ MOXA_MUST_FCR_GDA_MODE_ENABLE), info->base + UART_FCR);
else
- outb((UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT), info->base + UART_FCR);
+ outb((UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT),
+ info->base + UART_FCR);
/*
* At this point there's no way the LSR could still be 0xFF;
if (capable(CAP_SYS_ADMIN)) {
if (info->tty)
set_bit(TTY_IO_ERROR, &info->tty->flags);
- return (0);
+ return 0;
} else
- return (-ENODEV);
+ return -ENODEV;
}
/*
* Finally, enable interrupts
*/
info->IER = UART_IER_MSI | UART_IER_RLSI | UART_IER_RDI;
-// info->IER = UART_IER_RLSI | UART_IER_RDI;
+ /* info->IER = UART_IER_RLSI | UART_IER_RDI; */
- // following add by Victor Yu. 08-30-2002
+ /* following add by Victor Yu. 08-30-2002 */
if (info->IsMoxaMustChipFlag)
info->IER |= MOXA_MUST_IER_EGDAI;
- // above add by Victor Yu. 08-30-2002
+ /* above add by Victor Yu. 08-30-2002 */
outb(info->IER, info->base + UART_IER); /* enable interrupts */
/*
mxser_change_speed(info, NULL);
info->flags |= ASYNC_INITIALIZED;
- return (0);
+ return 0;
}
/*
outb(info->MCR, info->base + UART_MCR);
/* clear Rx/Tx FIFO's */
- // following add by Victor Yu. 08-30-2002
+ /* following add by Victor Yu. 08-30-2002 */
if (info->IsMoxaMustChipFlag)
- outb((UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT | MOXA_MUST_FCR_GDA_MODE_ENABLE), info->base + UART_FCR);
+ outb((UART_FCR_CLEAR_RCVR |
+ UART_FCR_CLEAR_XMIT |
+ MOXA_MUST_FCR_GDA_MODE_ENABLE), info->base + UART_FCR);
else
- // above add by Victor Yu. 08-30-2002
- outb((UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT), info->base + UART_FCR);
+ /* above add by Victor Yu. 08-30-2002 */
+ outb((UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT),
+ info->base + UART_FCR);
/* read data port to reset things */
(void) inb(info->base + UART_RX);
info->flags &= ~ASYNC_INITIALIZED;
- // following add by Victor Yu. 09-23-2002
- if (info->IsMoxaMustChipFlag) {
+ /* following add by Victor Yu. 09-23-2002 */
+ if (info->IsMoxaMustChipFlag)
SET_MOXA_MUST_NO_SOFTWARE_FLOW_CONTROL(info->base);
- }
- // above add by Victor Yu. 09-23-2002
+ /* above add by Victor Yu. 09-23-2002 */
spin_unlock_irqrestore(&info->slock, flags);
}
long baud;
unsigned long flags;
-
if (!info->tty || !info->tty->termios)
return ret;
cflag = info->tty->termios->c_cflag;
if (!(info->base))
return ret;
-
#ifndef B921600
#define B921600 (B460800 +1)
#endif
cval |= 0x04;
if (cflag & PARENB)
cval |= UART_LCR_PARITY;
- if (!(cflag & PARODD)) {
+ if (!(cflag & PARODD))
cval |= UART_LCR_EPAR;
- }
if (cflag & CMSPAR)
cval |= UART_LCR_SPAR;
fcr = 0;
} else {
fcr = UART_FCR_ENABLE_FIFO;
- // following add by Victor Yu. 08-30-2002
+ /* following add by Victor Yu. 08-30-2002 */
if (info->IsMoxaMustChipFlag) {
fcr |= MOXA_MUST_FCR_GDA_MODE_ENABLE;
SET_MOXA_MUST_FIFO_VALUE(info);
} else {
- // above add by Victor Yu. 08-30-2002
-
+ /* above add by Victor Yu. 08-30-2002 */
switch (info->rx_trigger) {
case 1:
fcr |= UART_FCR_TRIGGER_1;
info->IER |= UART_IER_MSI;
if ((info->type == PORT_16550A) || (info->IsMoxaMustChipFlag)) {
info->MCR |= UART_MCR_AFE;
- //status = mxser_get_msr(info->base, 0, info->port);
-/* save_flags(flags);
+ /* status = mxser_get_msr(info->base, 0, info->port); */
+/*
+ save_flags(flags);
cli();
status = inb(baseaddr + UART_MSR);
- restore_flags(flags);*/
- //mxser_check_modem_status(info, status);
+ restore_flags(flags);
+*/
+ /* mxser_check_modem_status(info, status); */
} else {
- //status = mxser_get_msr(info->base, 0, info->port);
-
- //MX_LOCK(&info->slock);
+ /* status = mxser_get_msr(info->base, 0, info->port); */
+ /* MX_LOCK(&info->slock); */
status = inb(info->base + UART_MSR);
- //MX_UNLOCK(&info->slock);
+ /* MX_UNLOCK(&info->slock); */
if (info->tty->hw_stopped) {
if (status & UART_MSR_CTS) {
info->tty->hw_stopped = 0;
- if ((info->type != PORT_16550A) && (!info->IsMoxaMustChipFlag)) {
+ if ((info->type != PORT_16550A) &&
+ (!info->IsMoxaMustChipFlag)) {
info->IER |= UART_IER_THRI;
outb(info->IER, info->base + UART_IER);
}
} else {
if (!(status & UART_MSR_CTS)) {
info->tty->hw_stopped = 1;
- if ((info->type != PORT_16550A) && (!info->IsMoxaMustChipFlag)) {
+ if ((info->type != PORT_16550A) &&
+ (!info->IsMoxaMustChipFlag)) {
info->IER &= ~UART_IER_THRI;
outb(info->IER, info->base + UART_IER);
}
* overruns too. (For real raw support).
*/
if (I_IGNPAR(info->tty)) {
- info->ignore_status_mask |= UART_LSR_OE | UART_LSR_PE | UART_LSR_FE;
- info->read_status_mask |= UART_LSR_OE | UART_LSR_PE | UART_LSR_FE;
+ info->ignore_status_mask |=
+ UART_LSR_OE |
+ UART_LSR_PE |
+ UART_LSR_FE;
+ info->read_status_mask |=
+ UART_LSR_OE |
+ UART_LSR_PE |
+ UART_LSR_FE;
}
}
- // following add by Victor Yu. 09-02-2002
+ /* following add by Victor Yu. 09-02-2002 */
if (info->IsMoxaMustChipFlag) {
spin_lock_irqsave(&info->slock, flags);
SET_MOXA_MUST_XON1_VALUE(info->base, START_CHAR(info->tty));
*/
spin_unlock_irqrestore(&info->slock, flags);
}
- // above add by Victor Yu. 09-02-2002
+ /* above add by Victor Yu. 09-02-2002 */
outb(fcr, info->base + UART_FCR); /* set fcr */
quot = (2 * info->baud_base / 269);
} else if (newspd) {
quot = info->baud_base / newspd;
-
if (quot == 0)
quot = 1;
-
} else {
quot = 0;
}
return ret;
}
-
-
/*
* ------------------------------------------------------------
* friends of mxser_ioctl()
struct serial_struct tmp;
if (!retinfo)
- return (-EFAULT);
+ return -EFAULT;
memset(&tmp, 0, sizeof(tmp));
tmp.type = info->type;
tmp.line = info->port;
tmp.hub6 = 0;
if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
return -EFAULT;
- return (0);
+ return 0;
}
static int mxser_set_serial_info(struct mxser_struct *info, struct serial_struct __user *new_info)
int retval = 0;
if (!new_info || !info->base)
- return (-EFAULT);
+ return -EFAULT;
if (copy_from_user(&new_serial, new_info, sizeof(new_serial)))
return -EFAULT;
- if ((new_serial.irq != info->irq) || (new_serial.port != info->base) || (new_serial.custom_divisor != info->custom_divisor) || (new_serial.baud_base != info->baud_base))
- return (-EPERM);
+ if ((new_serial.irq != info->irq) ||
+ (new_serial.port != info->base) ||
+ (new_serial.custom_divisor != info->custom_divisor) ||
+ (new_serial.baud_base != info->baud_base))
+ return -EPERM;
flags = info->flags & ASYNC_SPD_MASK;
if (!capable(CAP_SYS_ADMIN)) {
- if ((new_serial.baud_base != info->baud_base) || (new_serial.close_delay != info->close_delay) || ((new_serial.flags & ~ASYNC_USR_MASK) != (info->flags & ~ASYNC_USR_MASK)))
- return (-EPERM);
- info->flags = ((info->flags & ~ASYNC_USR_MASK) | (new_serial.flags & ASYNC_USR_MASK));
+ if ((new_serial.baud_base != info->baud_base) ||
+ (new_serial.close_delay != info->close_delay) ||
+ ((new_serial.flags & ~ASYNC_USR_MASK) != (info->flags & ~ASYNC_USR_MASK)))
+ return -EPERM;
+ info->flags = ((info->flags & ~ASYNC_USR_MASK) |
+ (new_serial.flags & ASYNC_USR_MASK));
} else {
/*
* OK, past this point, all the error checking has been done.
* At this point, we start making changes.....
*/
- info->flags = ((info->flags & ~ASYNC_FLAGS) | (new_serial.flags & ASYNC_FLAGS));
+ info->flags = ((info->flags & ~ASYNC_FLAGS) |
+ (new_serial.flags & ASYNC_FLAGS));
info->close_delay = new_serial.close_delay * HZ / 100;
info->closing_wait = new_serial.closing_wait * HZ / 100;
- info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
- info->tty->low_latency = 0; //(info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+ info->tty->low_latency =
+ (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+ info->tty->low_latency = 0; /* (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; */
}
/* added by casper, 3/17/2000, for mouse */
process_txrx_fifo(info);
- /* */
if (info->flags & ASYNC_INITIALIZED) {
if (flags != (info->flags & ASYNC_SPD_MASK)) {
mxser_change_speed(info, NULL);
} else {
retval = mxser_startup(info);
}
- return (retval);
+ return retval;
}
/*
return;
set_current_state(TASK_INTERRUPTIBLE);
spin_lock_irqsave(&info->slock, flags);
- outb(inb(info->base + UART_LCR) | UART_LCR_SBC, info->base + UART_LCR);
+ outb(inb(info->base + UART_LCR) | UART_LCR_SBC,
+ info->base + UART_LCR);
spin_unlock_irqrestore(&info->slock, flags);
schedule_timeout(duration);
spin_lock_irqsave(&info->slock, flags);
- outb(inb(info->base + UART_LCR) & ~UART_LCR_SBC, info->base + UART_LCR);
+ outb(inb(info->base + UART_LCR) & ~UART_LCR_SBC,
+ info->base + UART_LCR);
spin_unlock_irqrestore(&info->slock, flags);
}
if (tty->index == MXSER_PORTS)
- return (-ENOIOCTLCMD);
+ return -ENOIOCTLCMD;
if (tty->flags & (1 << TTY_IO_ERROR))
- return (-EIO);
+ return -EIO;
control = info->MCR;
mxser_check_modem_status(info, status);
spin_unlock_irqrestore(&info->slock, flags);
return ((control & UART_MCR_RTS) ? TIOCM_RTS : 0) |
- ((control & UART_MCR_DTR) ? TIOCM_DTR : 0) | ((status & UART_MSR_DCD) ? TIOCM_CAR : 0) | ((status & UART_MSR_RI) ? TIOCM_RNG : 0) | ((status & UART_MSR_DSR) ? TIOCM_DSR : 0) | ((status & UART_MSR_CTS) ? TIOCM_CTS : 0);
+ ((control & UART_MCR_DTR) ? TIOCM_DTR : 0) |
+ ((status & UART_MSR_DCD) ? TIOCM_CAR : 0) |
+ ((status & UART_MSR_RI) ? TIOCM_RNG : 0) |
+ ((status & UART_MSR_DSR) ? TIOCM_DSR : 0) |
+ ((status & UART_MSR_CTS) ? TIOCM_CTS : 0);
}
static int mxser_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear)
hwconf->board_type = MXSER_BOARD_CI104J;
hwconf->ports = 4;
} else
- return (0);
+ return 0;
irq = 0;
if (hwconf->ports == 2) {
irq = regs[9] & 0xF000;
irq = irq | (irq >> 4);
if (irq != (regs[9] & 0xFF00))
- return (MXSER_ERR_IRQ_CONFLIT);
+ return MXSER_ERR_IRQ_CONFLIT;
} else if (hwconf->ports == 4) {
irq = regs[9] & 0xF000;
irq = irq | (irq >> 4);
irq = irq | (irq >> 8);
if (irq != regs[9])
- return (MXSER_ERR_IRQ_CONFLIT);
+ return MXSER_ERR_IRQ_CONFLIT;
} else if (hwconf->ports == 8) {
irq = regs[9] & 0xF000;
irq = irq | (irq >> 4);
irq = irq | (irq >> 8);
if ((irq != regs[9]) || (irq != regs[10]))
- return (MXSER_ERR_IRQ_CONFLIT);
+ return MXSER_ERR_IRQ_CONFLIT;
}
- if (!irq) {
- return (MXSER_ERR_IRQ);
- }
- hwconf->irq = ((int) (irq & 0xF000) >> 12);
+ if (!irq)
+ return MXSER_ERR_IRQ;
+ hwconf->irq = ((int)(irq & 0xF000) >> 12);
for (i = 0; i < 8; i++)
hwconf->ioaddr[i] = (int) regs[i + 1] & 0xFFF8;
- if ((regs[12] & 0x80) == 0) {
- return (MXSER_ERR_VECTOR);
- }
- hwconf->vector = (int) regs[11]; /* interrupt vector */
+ if ((regs[12] & 0x80) == 0)
+ return MXSER_ERR_VECTOR;
+ hwconf->vector = (int)regs[11]; /* interrupt vector */
if (id == 1)
hwconf->vector_mask = 0x00FF;
else
for (i = 7, bits = 0x0100; i >= 0; i--, bits <<= 1) {
if (regs[12] & bits) {
hwconf->baud_base[i] = 921600;
- hwconf->MaxCanSetBaudRate[i] = 921600; // add by Victor Yu. 09-04-2002
+ hwconf->MaxCanSetBaudRate[i] = 921600; /* add by Victor Yu. 09-04-2002 */
} else {
hwconf->baud_base[i] = 115200;
- hwconf->MaxCanSetBaudRate[i] = 115200; // add by Victor Yu. 09-04-2002
+ hwconf->MaxCanSetBaudRate[i] = 115200; /* add by Victor Yu. 09-04-2002 */
}
}
scratch2 = inb(cap + UART_LCR) & (~UART_LCR_DLAB);
hwconf->ports = 4;
request_region(hwconf->ioaddr[0], 8 * hwconf->ports, "mxser(IO)");
request_region(hwconf->vector, 1, "mxser(vector)");
- return (hwconf->ports);
+ return hwconf->ports;
}
#define CHIP_SK 0x01 /* Serial Data Clock in Eprom */
id = mxser_program_mode(port);
if (id < 0)
- return (id);
+ return id;
for (i = 0; i < 14; i++) {
k = (i & 0x3F) | 0x180;
for (j = 0x100; j > 0; j >>= 1) {
outb(CHIP_CS | CHIP_SK, port); /* A? bit of read */
}
}
- (void) inb(port);
+ (void)inb(port);
value = 0;
for (k = 0, j = 0x8000; k < 16; k++, j >>= 1) {
outb(CHIP_CS, port);
outb(0, port);
}
mxser_normal_mode(port);
- return (id);
+ return id;
}
static int mxser_program_mode(int port)
{
int id, i, j, n;
- //unsigned long flags;
+ /* unsigned long flags; */
spin_lock(&gm_lock);
outb(0, port);
outb(0, port);
outb(0, port);
- (void) inb(port);
- (void) inb(port);
+ (void)inb(port);
+ (void)inb(port);
outb(0, port);
- (void) inb(port);
- //restore_flags(flags);
+ (void)inb(port);
+ /* restore_flags(flags); */
spin_unlock(&gm_lock);
id = inb(port + 1) & 0x1F;
- if ((id != C168_ASIC_ID) && (id != C104_ASIC_ID) && (id != C102_ASIC_ID) && (id != CI132_ASIC_ID) && (id != CI134_ASIC_ID) && (id != CI104J_ASIC_ID))
- return (-1);
+ if ((id != C168_ASIC_ID) &&
+ (id != C104_ASIC_ID) &&
+ (id != C102_ASIC_ID) &&
+ (id != CI132_ASIC_ID) &&
+ (id != CI134_ASIC_ID) &&
+ (id != CI104J_ASIC_ID))
+ return -1;
for (i = 0, j = 0; i < 4; i++) {
n = inb(port + 2);
if (n == 'M') {
}
if (j != 2)
id = -2;
- return (id);
+ return id;
}
static void mxser_normal_mode(int port)
if ((n & 0x61) == 0x60)
break;
if ((n & 1) == 1)
- (void) inb(port);
+ (void)inb(port);
}
outb(0x00, port + 4);
}
projects / linux-2.6 / commitdiff