#include "mxser_new.h"
-#define MXSER_VERSION "1.9.1"
+#define MXSER_VERSION "2.0"
#define MXSERMAJOR 174
#define MXSERCUMAJOR 175
#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK|\
IXON|IXOFF))
-#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? IRQF_SHARED : IRQF_DISABLED)
-
#define C168_ASIC_ID 1
#define C104_ASIC_ID 2
#define C102_ASIC_ID 0xB
};
-#ifdef CONFIG_PCI
-
static struct pci_device_id mxser_pcibrds[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_C168),
.driver_data = MXSER_BOARD_C168_PCI },
.driver_data = MXSER_BOARD_CP104EL },
{ }
};
-
MODULE_DEVICE_TABLE(pci, mxser_pcibrds);
-
-#endif
-
-typedef struct _moxa_pci_info {
- unsigned short busNum;
- unsigned short devNum;
- struct pci_dev *pdev; /* add by Victor Yu. 06-23-2003 */
-} moxa_pci_info;
-
static int ioaddr[MXSER_BOARDS] = { 0, 0, 0, 0 };
static int ttymajor = MXSERMAJOR;
static int calloutmajor = MXSERCUMAJOR;
int iftype[32];
};
-struct mxser_hwconf {
- int board_type;
- int ports;
- int irq;
- unsigned long vector;
- unsigned long vector_mask;
- int uart_type;
- unsigned long 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 */
- unsigned long opmode_ioaddr[MXSER_PORTS_PER_BOARD]; /* add by Victor Yu. 01-05-2004 */
-};
+struct mxser_board;
+
+struct mxser_port {
+ struct mxser_board *board;
+ struct tty_struct *tty;
+
+ unsigned long ioaddr;
+ unsigned long opmode_ioaddr;
+ int max_baud;
-struct mxser_struct {
- int port;
- unsigned long base; /* port base address */
- int irq; /* port using irq no. */
- unsigned long vector; /* port irq vector */
- unsigned long vectormask; /* port vector mask */
int rx_high_water;
int rx_trigger; /* Rx fifo trigger level */
int rx_low_water;
int baud_base; /* max. speed */
- int flags; /* defined in tty.h */
+ long realbaud;
int type; /* UART type */
- struct tty_struct *tty;
- int read_status_mask;
- int ignore_status_mask;
- int xmit_fifo_size;
- int custom_divisor;
+ int flags; /* defined in tty.h */
+ long session; /* Session of opening process */
+ long pgrp; /* pgrp of opening process */
+
int x_char; /* xon/xoff character */
- int close_delay;
- unsigned short closing_wait;
int IER; /* Interrupt Enable Register */
int MCR; /* Modem control register */
+
+ unsigned char stop_rx;
+ unsigned char ldisc_stop_rx;
+
+ int custom_divisor;
+ int close_delay;
+ unsigned short closing_wait;
+ unsigned char err_shadow;
unsigned long event;
+
int count; /* # of fd on device */
int blocked_open; /* # of blocked opens */
- long session; /* Session of opening process */
- long pgrp; /* pgrp of opening process */
+ struct async_icount icount; /* kernel counters for 4 input interrupts */
+ int timeout;
+
+ int read_status_mask;
+ int ignore_status_mask;
+ int xmit_fifo_size;
unsigned char *xmit_buf;
int xmit_head;
int xmit_tail;
int xmit_cnt;
- struct work_struct tqueue;
+
struct termios normal_termios;
struct termios callout_termios;
+
+ struct mxser_mon mon_data;
+
+ spinlock_t slock;
+ struct work_struct tqueue;
wait_queue_head_t open_wait;
wait_queue_head_t close_wait;
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 */
- unsigned long opmode_ioaddr; /* add by Victor Yu. 01-05-2004 */
- unsigned char stop_rx;
- unsigned char ldisc_stop_rx;
- long realbaud;
- struct mxser_mon mon_data;
- unsigned char err_shadow;
- spinlock_t slock;
+};
+
+struct mxser_board {
+ struct pci_dev *pdev; /* temporary (until pci probing) */
+
+ int irq;
+ int board_type;
+ unsigned int nports;
+ unsigned long vector;
+ unsigned long vector_mask;
+
+ int chip_flag;
+ int uart_type;
+
+ struct mxser_port ports[MXSER_PORTS_PER_BOARD];
};
struct mxser_mstatus {
/* 0x180, 0x280, 0x200, 0x320 */
};
+static struct mxser_board mxser_boards[MXSER_BOARDS];
static struct tty_driver *mxvar_sdriver;
-static struct mxser_struct mxvar_table[MXSER_PORTS];
static struct tty_struct *mxvar_tty[MXSER_PORTS + 1];
static struct termios *mxvar_termios[MXSER_PORTS + 1];
static struct termios *mxvar_termios_locked[MXSER_PORTS + 1];
static int mxser_set_baud_method[MXSER_PORTS + 1];
static spinlock_t gm_lock;
-/*
- * This is used to figure out the divisor speeds and the timeouts
- */
-
-static struct mxser_hwconf mxsercfg[MXSER_BOARDS];
-
/*
* static functions:
*/
-static void mxser_getcfg(int board, struct mxser_hwconf *hwconf);
static int mxser_init(void);
/* 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 int mxser_get_ISA_conf(int, struct mxser_board *);
static void mxser_do_softint(void *);
static int mxser_open(struct tty_struct *, struct file *);
static void mxser_close(struct tty_struct *, struct file *);
static void mxser_hangup(struct tty_struct *);
static void mxser_rs_break(struct tty_struct *, int);
static irqreturn_t mxser_interrupt(int, void *, struct pt_regs *);
-static void mxser_receive_chars(struct mxser_struct *, int *);
-static void mxser_transmit_chars(struct mxser_struct *);
-static void mxser_check_modem_status(struct mxser_struct *, int);
-static int mxser_block_til_ready(struct tty_struct *, struct file *, struct mxser_struct *);
-static int mxser_startup(struct mxser_struct *);
-static void mxser_shutdown(struct mxser_struct *);
-static int mxser_change_speed(struct mxser_struct *, struct termios *old_termios);
-static int mxser_get_serial_info(struct mxser_struct *, struct serial_struct __user *);
-static int mxser_set_serial_info(struct mxser_struct *, struct serial_struct __user *);
-static int mxser_get_lsr_info(struct mxser_struct *, unsigned int __user *);
-static void mxser_send_break(struct mxser_struct *, int);
+static void mxser_receive_chars(struct mxser_port *, int *);
+static void mxser_transmit_chars(struct mxser_port *);
+static void mxser_check_modem_status(struct mxser_port *, int);
+static int mxser_block_til_ready(struct tty_struct *, struct file *,
+ struct mxser_port *);
+static int mxser_startup(struct mxser_port *);
+static void mxser_shutdown(struct mxser_port *);
+static int mxser_change_speed(struct mxser_port *, struct termios *);
+static int mxser_get_serial_info(struct mxser_port *,
+ struct serial_struct __user *);
+static int mxser_set_serial_info(struct mxser_port *,
+ struct serial_struct __user *);
+static int mxser_get_lsr_info(struct mxser_port *, unsigned int __user *);
+static void mxser_send_break(struct mxser_port *, int);
static int mxser_tiocmget(struct tty_struct *, struct file *);
-static int mxser_tiocmset(struct tty_struct *, struct file *, unsigned int, unsigned int);
-static int mxser_set_baud(struct mxser_struct *info, long newspd);
-static void mxser_wait_until_sent(struct tty_struct *tty, int timeout);
+static int mxser_tiocmset(struct tty_struct *, struct file *, unsigned int,
+ unsigned int);
+static int mxser_set_baud(struct mxser_port *, long);
+static void mxser_wait_until_sent(struct tty_struct *, int);
-static void mxser_startrx(struct tty_struct *tty);
-static void mxser_stoprx(struct tty_struct *tty);
+static void mxser_startrx(struct tty_struct *);
+static void mxser_stoprx(struct tty_struct *);
static int CheckIsMoxaMust(int io)
for (i = 0; i < MXSER_BOARDS; i++) {
struct pci_dev *pdev;
- if (mxsercfg[i].board_type == -1)
+ if (mxser_boards[i].board_type == -1)
continue;
else {
- pdev = mxsercfg[i].pciInfo.pdev;
- free_irq(mxsercfg[i].irq, &mxvar_table[i * MXSER_PORTS_PER_BOARD]);
+ pdev = mxser_boards[i].pdev;
+ free_irq(mxser_boards[i].irq, &mxser_boards[i]);
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));
pci_dev_put(pdev);
} else {
- release_region(mxsercfg[i].ioaddr[0], 8 * mxsercfg[i].ports);
- release_region(mxsercfg[i].vector, 1);
+ release_region(mxser_boards[i].ports[0].ioaddr, 8 * mxser_boards[i].nports);
+ release_region(mxser_boards[i].vector, 1);
}
}
}
printk(KERN_DEBUG "Done.\n");
}
-static void process_txrx_fifo(struct mxser_struct *info)
+static void process_txrx_fifo(struct mxser_port *info)
{
int i;
info->rx_high_water = 1;
info->rx_low_water = 1;
info->xmit_fifo_size = 1;
- } else {
- for (i = 0; i < UART_INFO_NUM; i++) {
- if (info->IsMoxaMustChipFlag == Gpci_uart_info[i].type) {
+ } else
+ for (i = 0; i < UART_INFO_NUM; i++)
+ if (info->board->chip_flag == Gpci_uart_info[i].type) {
info->rx_trigger = Gpci_uart_info[i].rx_trigger;
info->rx_low_water = Gpci_uart_info[i].rx_low_water;
info->rx_high_water = Gpci_uart_info[i].rx_high_water;
info->xmit_fifo_size = Gpci_uart_info[i].xmit_fifo_size;
break;
}
- }
- }
}
-static int mxser_initbrd(int board, struct mxser_hwconf *hwconf)
+static int mxser_initbrd(struct mxser_board *brd)
{
- struct mxser_struct *info;
+ struct mxser_port *info;
+ unsigned int i;
int retval;
- int i, n;
- 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]);
+ brd->ports[0].max_baud);
}
- for (i = 0; i < hwconf->ports; i++, n++, info++) {
- info->port = n;
- info->base = hwconf->ioaddr[i];
- 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 */
+ for (i = 0; i < brd->nports; i++) {
+ info = &brd->ports[i];
+ info->board = brd;
info->stop_rx = 0;
info->ldisc_stop_rx = 0;
- info->IsMoxaMustChipFlag = hwconf->IsMoxaMustChipFlag;
/* Enhance mode enabled here */
- if (info->IsMoxaMustChipFlag != MOXA_OTHER_UART) {
- ENABLE_MOXA_MUST_ENCHANCE_MODE(info->base);
- }
+ if (brd->chip_flag != MOXA_OTHER_UART)
+ ENABLE_MOXA_MUST_ENCHANCE_MODE(info->ioaddr);
info->flags = ASYNC_SHARE_IRQ;
- info->type = hwconf->uart_type;
- info->baud_base = hwconf->baud_base[i];
-
- info->MaxCanSetBaudRate = hwconf->MaxCanSetBaudRate[i];
+ info->type = brd->uart_type;
process_txrx_fifo(info);
-
- info->custom_divisor = hwconf->baud_base[i] * 16;
+ info->custom_divisor = info->baud_base * 16;
info->close_delay = 5 * HZ / 10;
info->closing_wait = 30 * HZ;
INIT_WORK(&info->tqueue, mxser_do_softint, info);
memset(&info->mon_data, 0, sizeof(struct mxser_mon));
info->err_shadow = 0;
spin_lock_init(&info->slock);
+
+ /* before set INT ISR, disable all int */
+ outb(inb(info->ioaddr + UART_IER) & 0xf0,
+ info->ioaddr + UART_IER);
}
/*
* Allocate the IRQ if necessary
*/
-
- /* 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);
- }
-
- 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(brd->irq, mxser_interrupt,
+ (brd->ports[0].flags & ASYNC_SHARE_IRQ) ? IRQF_SHARED :
+ IRQF_DISABLED, "mxser", brd);
if (retval) {
- 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);
+ printk(KERN_ERR "Board %s: Request irq failed, IRQ (%d) may "
+ "conflict with another device.\n",
+ mxser_brdname[brd->board_type - 1], brd->irq);
return retval;
}
return 0;
}
-static void mxser_getcfg(int board, struct mxser_hwconf *hwconf)
-{
- mxsercfg[board] = *hwconf;
-}
-
-#ifdef CONFIG_PCI
-static int mxser_get_PCI_conf(int busnum, int devnum, int board_type, struct mxser_hwconf *hwconf)
+static int mxser_get_PCI_conf(int board_type, struct mxser_board *brd,
+ struct pci_dev *pdev)
{
- int i, j;
- /* unsigned int val; */
+ unsigned int i, j;
unsigned long ioaddress;
- struct pci_dev *pdev = hwconf->pciInfo.pdev;
/* io address */
- hwconf->board_type = board_type;
- hwconf->ports = mxser_numports[board_type - 1];
+ brd->board_type = board_type;
+ brd->nports = 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)");
- for (i = 0; i < hwconf->ports; i++)
- hwconf->ioaddr[i] = ioaddress + 8 * i;
+ for (i = 0; i < brd->nports; i++)
+ brd->ports[i].ioaddr = ioaddress + 8 * i;
/* vector */
ioaddress = pci_resource_start(pdev, 3);
request_region(pci_resource_start(pdev, 3), pci_resource_len(pdev, 3),
"mxser(vector)");
- hwconf->vector = ioaddress;
+ brd->vector = ioaddress;
/* irq */
- hwconf->irq = hwconf->pciInfo.pdev->irq;
+ brd->irq = pdev->irq;
- hwconf->IsMoxaMustChipFlag = CheckIsMoxaMust(hwconf->ioaddr[0]);
- hwconf->uart_type = PORT_16550A;
- hwconf->vector_mask = 0;
+ brd->chip_flag = CheckIsMoxaMust(brd->ports[0].ioaddr);
+ brd->uart_type = PORT_16550A;
+ brd->vector_mask = 0;
-
- for (i = 0; i < hwconf->ports; i++) {
+ for (i = 0; i < brd->nports; i++) {
for (j = 0; j < UART_INFO_NUM; j++) {
- if (Gpci_uart_info[j].type == hwconf->IsMoxaMustChipFlag) {
- hwconf->MaxCanSetBaudRate[i] = Gpci_uart_info[j].max_baud;
+ if (Gpci_uart_info[j].type == brd->chip_flag) {
+ brd->ports[i].max_baud =
+ Gpci_uart_info[j].max_baud;
/* exception....CP-102 */
if (board_type == MXSER_BOARD_CP102)
- hwconf->MaxCanSetBaudRate[i] = 921600;
+ brd->ports[i].max_baud = 921600;
break;
}
}
}
- if (hwconf->IsMoxaMustChipFlag == MOXA_MUST_MU860_HWID) {
- for (i = 0; i < hwconf->ports; i++) {
+ if (brd->chip_flag == MOXA_MUST_MU860_HWID) {
+ for (i = 0; i < brd->nports; i++) {
if (i < 4)
- hwconf->opmode_ioaddr[i] = ioaddress + 4;
+ brd->ports[i].opmode_ioaddr = ioaddress + 4;
else
- hwconf->opmode_ioaddr[i] = ioaddress + 0x0c;
+ brd->ports[i].opmode_ioaddr = ioaddress + 0x0c;
}
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;
+ for (i = 0; i < brd->nports; i++) {
+ brd->vector_mask |= (1 << i);
+ brd->ports[i].baud_base = 921600;
}
return 0;
}
-#endif
static int mxser_init(void)
{
- int i, m, retval, b, n;
struct pci_dev *pdev = NULL;
- int index;
- unsigned char busnum, devnum;
- struct mxser_hwconf hwconf;
+ struct mxser_board *brd;
+ unsigned int i, m;
+ int retval, b, n;
mxvar_sdriver = alloc_tty_driver(MXSER_PORTS + 1);
if (!mxvar_sdriver)
return -ENOMEM;
spin_lock_init(&gm_lock);
- for (i = 0; i < MXSER_BOARDS; i++) {
- mxsercfg[i].board_type = -1;
- }
+ for (i = 0; i < MXSER_BOARDS; i++)
+ mxser_boards[i].board_type = -1;
printk(KERN_INFO "MOXA Smartio/Industio family driver version %s\n",
MXSER_VERSION);
mxvar_sdriver->termios_locked = mxvar_termios_locked;
mxvar_diagflag = 0;
- memset(mxvar_table, 0, MXSER_PORTS * sizeof(struct mxser_struct));
+ memset(mxser_boards, 0, sizeof(mxser_boards));
memset(&mxvar_log, 0, sizeof(struct mxser_log));
memset(&mxser_msr, 0, sizeof(unsigned char) * (MXSER_PORTS + 1));
memset(&mon_data_ext, 0, sizeof(struct mxser_mon_ext));
memset(&mxser_set_baud_method, 0, sizeof(int) * (MXSER_PORTS + 1));
- memset(&hwconf, 0, sizeof(struct mxser_hwconf));
m = 0;
/* Start finding ISA boards here */
if (!(cap = mxserBoardCAP[b]))
continue;
- retval = mxser_get_ISA_conf(cap, &hwconf);
+ brd = &mxser_boards[m];
+ retval = mxser_get_ISA_conf(cap, brd);
if (retval != 0)
printk(KERN_INFO "Found MOXA %s board (CAP=0x%x)\n",
- mxser_brdname[hwconf.board_type - 1], ioaddr[b]);
+ mxser_brdname[brd->board_type - 1], ioaddr[b]);
if (retval <= 0) {
if (retval == MXSER_ERR_IRQ)
continue;
}
- hwconf.pciInfo.busNum = 0;
- hwconf.pciInfo.devNum = 0;
- hwconf.pciInfo.pdev = NULL;
+ brd->pdev = NULL;
- mxser_getcfg(m, &hwconf);
- /*
- * init mxsercfg first,
- * or mxsercfg data is not correct on ISR.
- */
/* mxser_initbrd will hook ISR. */
- if (mxser_initbrd(m, &hwconf) < 0)
+ if (mxser_initbrd(brd) < 0)
continue;
m++;
if (!(cap = ioaddr[b]))
continue;
- retval = mxser_get_ISA_conf(cap, &hwconf);
+ brd = &mxser_boards[m];
+ retval = mxser_get_ISA_conf(cap, &mxser_boards[m]);
if (retval != 0)
printk(KERN_INFO "Found MOXA %s board (CAP=0x%x)\n",
- mxser_brdname[hwconf.board_type - 1], ioaddr[b]);
+ mxser_brdname[brd->board_type - 1], ioaddr[b]);
if (retval <= 0) {
if (retval == MXSER_ERR_IRQ)
continue;
}
- hwconf.pciInfo.busNum = 0;
- hwconf.pciInfo.devNum = 0;
- hwconf.pciInfo.pdev = NULL;
-
- mxser_getcfg(m, &hwconf);
- /*
- * init mxsercfg first,
- * or mxsercfg data is not correct on ISR.
- */
+ brd->pdev = NULL;
/* mxser_initbrd will hook ISR. */
- if (mxser_initbrd(m, &hwconf) < 0)
+ if (mxser_initbrd(brd) < 0)
continue;
m++;
}
/* start finding PCI board here */
-#ifdef CONFIG_PCI
n = ARRAY_SIZE(mxser_pcibrds) - 1;
- index = 0;
b = 0;
while (b < n) {
pdev = pci_get_device(mxser_pcibrds[b].vendor,
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);
- index++;
+ pdev->bus->number, PCI_SLOT(pdev->devfn));
if (m >= MXSER_BOARDS)
printk(KERN_ERR
"Too many Smartio/Industio family boards find "
"fail !\n");
continue;
}
- retval = mxser_get_PCI_conf(busnum, devnum,
+ brd = &mxser_boards[m];
+ brd->pdev = pdev;
+ retval = mxser_get_PCI_conf(
(int)mxser_pcibrds[b].driver_data,
- &hwconf);
+ brd, pdev);
if (retval < 0) {
if (retval == MXSER_ERR_IRQ)
printk(KERN_ERR
"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. */
- if (mxser_initbrd(m, &hwconf) < 0)
+ if (mxser_initbrd(brd) < 0)
continue;
m++;
/* Keep an extra reference if we succeeded. It will
pci_dev_get(pdev);
}
}
-#endif
retval = tty_register_driver(mxvar_sdriver);
if (retval) {
put_tty_driver(mxvar_sdriver);
for (i = 0; i < MXSER_BOARDS; i++) {
- if (mxsercfg[i].board_type == -1)
+ if (mxser_boards[i].board_type == -1)
continue;
else {
- free_irq(mxsercfg[i].irq, &mxvar_table[i * MXSER_PORTS_PER_BOARD]);
+ free_irq(mxser_boards[i].irq, &mxser_boards[i]);
/* todo: release io, vector */
}
}
static void mxser_do_softint(void *private_)
{
- struct mxser_struct *info = private_;
+ struct mxser_port *info = private_;
struct tty_struct *tty;
tty = info->tty;
tty_hangup(tty);
}
-static unsigned char mxser_get_msr(int baseaddr, int mode, int port, struct mxser_struct *info)
+static unsigned char mxser_get_msr(int baseaddr, int mode, int port)
{
unsigned char status = 0;
*/
static int mxser_open(struct tty_struct *tty, struct file *filp)
{
- struct mxser_struct *info;
+ struct mxser_port *info;
int retval, line;
/* initialize driver_data in case something fails */
return 0;
if (line < 0 || line > MXSER_PORTS)
return -ENODEV;
- info = mxvar_table + line;
- if (!info->base)
+ info = &mxser_boards[line / MXSER_PORTS_PER_BOARD].ports[line % MXSER_PORTS_PER_BOARD];
+ if (!info->ioaddr)
return -ENODEV;
tty->driver_data = info;
*/
static void mxser_close(struct tty_struct *tty, struct file *filp)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
unsigned long timeout;
unsigned long flags;
}
if (--info->count < 0) {
printk(KERN_ERR "mxser_close: bad serial port count for "
- "ttys%d: %d\n", info->port, info->count);
+ "ttys%d: %d\n", tty->index, info->count);
info->count = 0;
}
if (info->count) {
* line status register.
*/
info->IER &= ~UART_IER_RLSI;
- if (info->IsMoxaMustChipFlag)
+ if (info->board->chip_flag)
info->IER &= ~MOXA_MUST_RECV_ISR;
/* by William
info->read_status_mask &= ~UART_LSR_DR;
*/
if (info->flags & ASYNC_INITIALIZED) {
- outb(info->IER, info->base + UART_IER);
+ outb(info->IER, info->ioaddr + UART_IER);
/*
* Before we drop DTR, make sure the UART transmitter
* has completely drained; this is especially
* important if there is a transmit FIFO!
*/
timeout = jiffies + HZ;
- while (!(inb(info->base + UART_LSR) & UART_LSR_TEMT)) {
+ while (!(inb(info->ioaddr + UART_LSR) & UART_LSR_TEMT)) {
schedule_timeout_interruptible(5);
if (time_after(jiffies, timeout))
break;
static int mxser_write(struct tty_struct *tty, const unsigned char *buf, int count)
{
int c, total = 0;
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
unsigned long flags;
if (!info->xmit_buf)
/*&& !(info->IER & UART_IER_THRI)*/) {
if (!tty->hw_stopped ||
(info->type == PORT_16550A) ||
- (info->IsMoxaMustChipFlag)) {
+ (info->board->chip_flag)) {
spin_lock_irqsave(&info->slock, flags);
- outb(info->IER & ~UART_IER_THRI, info->base + UART_IER);
+ outb(info->IER & ~UART_IER_THRI, info->ioaddr +
+ UART_IER);
info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
+ outb(info->IER, info->ioaddr + UART_IER);
spin_unlock_irqrestore(&info->slock, flags);
}
}
static void mxser_put_char(struct tty_struct *tty, unsigned char ch)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
unsigned long flags;
if (!info->xmit_buf)
if (!tty->stopped /*&& !(info->IER & UART_IER_THRI)*/) {
if (!tty->hw_stopped ||
(info->type == PORT_16550A) ||
- info->IsMoxaMustChipFlag) {
+ info->board->chip_flag) {
spin_lock_irqsave(&info->slock, flags);
- outb(info->IER & ~UART_IER_THRI, info->base + UART_IER);
+ outb(info->IER & ~UART_IER_THRI, info->ioaddr + UART_IER);
info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
+ outb(info->IER, info->ioaddr + UART_IER);
spin_unlock_irqrestore(&info->slock, flags);
}
}
static void mxser_flush_chars(struct tty_struct *tty)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
unsigned long flags;
if (info->xmit_cnt <= 0 ||
!info->xmit_buf ||
(tty->hw_stopped &&
(info->type != PORT_16550A) &&
- (!info->IsMoxaMustChipFlag)
+ (!info->board->chip_flag)
))
return;
spin_lock_irqsave(&info->slock, flags);
- outb(info->IER & ~UART_IER_THRI, info->base + UART_IER);
+ outb(info->IER & ~UART_IER_THRI, info->ioaddr + UART_IER);
info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
+ outb(info->IER, info->ioaddr + UART_IER);
spin_unlock_irqrestore(&info->slock, flags);
}
static int mxser_write_room(struct tty_struct *tty)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
int ret;
ret = SERIAL_XMIT_SIZE - info->xmit_cnt - 1;
static int mxser_chars_in_buffer(struct tty_struct *tty)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
int len = info->xmit_cnt;
- if (!(inb(info->base + UART_LSR) & UART_LSR_THRE))
+ if (!(inb(info->ioaddr + UART_LSR) & UART_LSR_THRE))
len++;
return len;
static void mxser_flush_buffer(struct tty_struct *tty)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
char fcr;
unsigned long flags;
info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
/* below added by shinhay */
- fcr = inb(info->base + UART_FCR);
+ fcr = inb(info->ioaddr + UART_FCR);
outb((fcr | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT),
- info->base + UART_FCR);
- outb(fcr, info->base + UART_FCR);
+ info->ioaddr + UART_FCR);
+ outb(fcr, info->ioaddr + UART_FCR);
spin_unlock_irqrestore(&info->slock, flags);
/* above added by shinhay */
static int mxser_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
int retval;
struct async_icount cprev, cnow; /* kernel counter temps */
struct serial_icounter_struct __user *p_cuser;
int shiftbit;
unsigned char val, mask;
- p = info->port % 4;
+ p = tty->index % 4;
if (cmd == MOXA_SET_OP_MODE) {
if (get_user(opmode, (int __user *) argp))
return -EFAULT;
len = mxser_chars_in_buffer(tty);
- lsr = inb(info->base + UART_LSR) & UART_LSR_TEMT;
+ lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_TEMT;
len += (lsr ? 0 : 1);
/* info->mon_data.ser_param = tty->termios->c_cflag; */
- status = mxser_get_msr(info->base, 1, info->port, info);
+ status = mxser_get_msr(info->ioaddr, 1, tty->index);
mxser_check_modem_status(info, status);
- mcr = inb(info->base + UART_MCR);
+ mcr = inb(info->ioaddr + UART_MCR);
if (mcr & MOXA_MUST_MCR_XON_FLAG)
info->mon_data.hold_reason &= ~NPPI_NOTIFY_XOFFHOLD;
else
if (get_user(method, (int __user *)argp))
return -EFAULT;
- mxser_set_baud_method[info->port] = method;
+ mxser_set_baud_method[tty->index] = method;
if (copy_to_user(argp, &method, sizeof(int)))
return -EFAULT;
static int mxser_ioctl_special(unsigned int cmd, void __user *argp)
{
- int i, result, status;
+ struct mxser_port *port;
+ int result, status;
+ unsigned int i, j;
switch (cmd) {
case MOXA_GET_CONF:
- if (copy_to_user(argp, mxsercfg,
+/* if (copy_to_user(argp, mxsercfg,
sizeof(struct mxser_hwconf) * 4))
return -EFAULT;
- return 0;
+ return 0;*/
+ return -ENXIO;
case MOXA_GET_MAJOR:
if (copy_to_user(argp, &ttymajor, sizeof(int)))
return -EFAULT;
case MOXA_CHKPORTENABLE:
result = 0;
- for (i = 0; i < MXSER_PORTS; i++) {
- if (mxvar_table[i].base)
- result |= (1 << i);
- }
+
+ for (i = 0; i < MXSER_BOARDS; i++)
+ for (j = 0; j < MXSER_PORTS_PER_BOARD; j++)
+ if (mxser_boards[i].ports[j].ioaddr)
+ result |= (1 << i);
+
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;
case MOXA_GETMSTATUS:
- for (i = 0; i < MXSER_PORTS; i++) {
- GMStatus[i].ri = 0;
- if (!mxvar_table[i].base) {
- GMStatus[i].dcd = 0;
- GMStatus[i].dsr = 0;
- GMStatus[i].cts = 0;
- continue;
- }
+ for (i = 0; i < MXSER_BOARDS; i++)
+ for (j = 0; j < MXSER_PORTS_PER_BOARD; j++) {
+ port = &mxser_boards[i].ports[j];
+
+ GMStatus[i].ri = 0;
+ if (!port->ioaddr) {
+ GMStatus[i].dcd = 0;
+ GMStatus[i].dsr = 0;
+ GMStatus[i].cts = 0;
+ continue;
+ }
- if (!mxvar_table[i].tty || !mxvar_table[i].tty->termios)
- GMStatus[i].cflag = mxvar_table[i].normal_termios.c_cflag;
- else
- GMStatus[i].cflag = mxvar_table[i].tty->termios->c_cflag;
+ if (!port->tty || !port->tty->termios)
+ GMStatus[i].cflag =
+ port->normal_termios.c_cflag;
+ else
+ GMStatus[i].cflag =
+ port->tty->termios->c_cflag;
- status = inb(mxvar_table[i].base + UART_MSR);
- if (status & 0x80 /*UART_MSR_DCD */ )
- GMStatus[i].dcd = 1;
- else
- GMStatus[i].dcd = 0;
+ status = inb(port->ioaddr + UART_MSR);
+ if (status & 0x80 /*UART_MSR_DCD */ )
+ GMStatus[i].dcd = 1;
+ else
+ GMStatus[i].dcd = 0;
- if (status & 0x20 /*UART_MSR_DSR */ )
- GMStatus[i].dsr = 1;
- else
- GMStatus[i].dsr = 0;
+ if (status & 0x20 /*UART_MSR_DSR */ )
+ GMStatus[i].dsr = 1;
+ else
+ GMStatus[i].dsr = 0;
- if (status & 0x10 /*UART_MSR_CTS */ )
- GMStatus[i].cts = 1;
- else
- GMStatus[i].cts = 0;
- }
+ if (status & 0x10 /*UART_MSR_CTS */ )
+ GMStatus[i].cts = 1;
+ else
+ GMStatus[i].cts = 0;
+ }
if (copy_to_user(argp, GMStatus,
sizeof(struct mxser_mstatus) * MXSER_PORTS))
return -EFAULT;
return 0;
case MOXA_ASPP_MON_EXT: {
- int status, p, shiftbit;
- unsigned long opmode;
- unsigned cflag, iflag;
+ int status, p, shiftbit;
+ unsigned long opmode;
+ unsigned cflag, iflag;
- for (i = 0; i < MXSER_PORTS; i++) {
- if (!mxvar_table[i].base)
+ for (i = 0; i < MXSER_BOARDS; i++)
+ for (j = 0; j < MXSER_PORTS_PER_BOARD; j++) {
+ port = &mxser_boards[i].ports[j];
+ if (!port->ioaddr)
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(port->ioaddr, 0, i);
+/* mxser_check_modem_status(port, status); */
+
if (status & UART_MSR_TERI)
- mxvar_table[i].icount.rng++;
+ port->icount.rng++;
if (status & UART_MSR_DDSR)
- mxvar_table[i].icount.dsr++;
+ port->icount.dsr++;
if (status & UART_MSR_DDCD)
- mxvar_table[i].icount.dcd++;
+ port->icount.dcd++;
if (status & UART_MSR_DCTS)
- mxvar_table[i].icount.cts++;
-
- mxvar_table[i].mon_data.modem_status = status;
- mon_data_ext.rx_cnt[i] = mxvar_table[i].mon_data.rxcnt;
- mon_data_ext.tx_cnt[i] = mxvar_table[i].mon_data.txcnt;
- mon_data_ext.up_rxcnt[i] = mxvar_table[i].mon_data.up_rxcnt;
- mon_data_ext.up_txcnt[i] = mxvar_table[i].mon_data.up_txcnt;
- mon_data_ext.modem_status[i] = mxvar_table[i].mon_data.modem_status;
- mon_data_ext.baudrate[i] = mxvar_table[i].realbaud;
-
- if (!mxvar_table[i].tty || !mxvar_table[i].tty->termios) {
- cflag = mxvar_table[i].normal_termios.c_cflag;
- iflag = mxvar_table[i].normal_termios.c_iflag;
+ port->icount.cts++;
+
+ port->mon_data.modem_status = status;
+ mon_data_ext.rx_cnt[i] = port->mon_data.rxcnt;
+ mon_data_ext.tx_cnt[i] = port->mon_data.txcnt;
+ mon_data_ext.up_rxcnt[i] =
+ port->mon_data.up_rxcnt;
+ mon_data_ext.up_txcnt[i] =
+ port->mon_data.up_txcnt;
+ mon_data_ext.modem_status[i] =
+ port->mon_data.modem_status;
+ mon_data_ext.baudrate[i] = port->realbaud;
+
+ if (!port->tty || !port->tty->termios) {
+ cflag = port->normal_termios.c_cflag;
+ iflag = port->normal_termios.c_iflag;
} else {
- cflag = mxvar_table[i].tty->termios->c_cflag;
- iflag = mxvar_table[i].tty->termios->c_iflag;
+ cflag = port->tty->termios->c_cflag;
+ iflag = port->tty->termios->c_iflag;
}
mon_data_ext.databits[i] = cflag & CSIZE;
mon_data_ext.stopbits[i] = cflag & CSTOPB;
- mon_data_ext.parity[i] = cflag & (PARENB | PARODD | CMSPAR);
+ mon_data_ext.parity[i] =
+ cflag & (PARENB | PARODD | CMSPAR);
mon_data_ext.flowctrl[i] = 0x00;
if (iflag & (IXON | IXOFF))
mon_data_ext.flowctrl[i] |= 0x0C;
- if (mxvar_table[i].type == PORT_16550A)
+ if (port->type == PORT_16550A)
mon_data_ext.fifo[i] = 1;
else
mon_data_ext.fifo[i] = 0;
p = i % 4;
shiftbit = p * 2;
- opmode = inb(mxvar_table[i].opmode_ioaddr) >> shiftbit;
+ opmode = inb(port->opmode_ioaddr) >> shiftbit;
opmode &= OP_MODE_MASK;
mon_data_ext.iftype[i] = opmode;
}
- if (copy_to_user(argp, &mon_data_ext, sizeof(struct mxser_mon_ext)))
+ if (copy_to_user(argp, &mon_data_ext,
+ sizeof(mon_data_ext)))
return -EFAULT;
return 0;
- }
- default:
+ } default:
return -ENOIOCTLCMD;
}
return 0;
static void mxser_stoprx(struct tty_struct *tty)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
info->ldisc_stop_rx = 1;
if (I_IXOFF(tty)) {
/* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag) {
+ if (info->board->chip_flag) {
info->IER &= ~MOXA_MUST_RECV_ISR;
- outb(info->IER, info->base + UART_IER);
+ outb(info->IER, info->ioaddr + UART_IER);
} else if (!(info->flags & ASYNC_CLOSING)) {
info->x_char = STOP_CHAR(tty);
- outb(0, info->base + UART_IER);
+ outb(0, info->ioaddr + UART_IER);
info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
+ outb(info->IER, info->ioaddr + UART_IER);
}
}
if (info->tty->termios->c_cflag & CRTSCTS) {
info->MCR &= ~UART_MCR_RTS;
- outb(info->MCR, info->base + UART_MCR);
+ outb(info->MCR, info->ioaddr + UART_MCR);
}
}
static void mxser_startrx(struct tty_struct *tty)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
info->ldisc_stop_rx = 0;
if (I_IXOFF(tty)) {
info->x_char = 0;
else {
/* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag) {
+ if (info->board->chip_flag) {
info->IER |= MOXA_MUST_RECV_ISR;
- outb(info->IER, info->base + UART_IER);
+ outb(info->IER, info->ioaddr + UART_IER);
} else if (!(info->flags & ASYNC_CLOSING)) {
info->x_char = START_CHAR(tty);
- outb(0, info->base + UART_IER);
+ outb(0, info->ioaddr + UART_IER);
info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
+ outb(info->IER, info->ioaddr + UART_IER);
}
}
}
if (info->tty->termios->c_cflag & CRTSCTS) {
info->MCR |= UART_MCR_RTS;
- outb(info->MCR, info->base + UART_MCR);
+ outb(info->MCR, info->ioaddr + UART_MCR);
}
}
*/
static void mxser_throttle(struct tty_struct *tty)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
unsigned long flags;
spin_lock_irqsave(&info->slock, flags);
static void mxser_unthrottle(struct tty_struct *tty)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
unsigned long flags;
spin_lock_irqsave(&info->slock, flags);
static void mxser_set_termios(struct tty_struct *tty, struct termios *old_termios)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
unsigned long flags;
if ((tty->termios->c_cflag != old_termios->c_cflag) ||
tty->stopped = 0;
/* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag) {
+ if (info->board->chip_flag) {
spin_lock_irqsave(&info->slock, flags);
- DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->base);
+ DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->ioaddr);
spin_unlock_irqrestore(&info->slock, flags);
}
/* above add by Victor Yu. 09-02-2002 */
*/
static void mxser_stop(struct tty_struct *tty)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
unsigned long flags;
spin_lock_irqsave(&info->slock, flags);
if (info->IER & UART_IER_THRI) {
info->IER &= ~UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
+ outb(info->IER, info->ioaddr + UART_IER);
}
spin_unlock_irqrestore(&info->slock, flags);
}
static void mxser_start(struct tty_struct *tty)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
unsigned long flags;
spin_lock_irqsave(&info->slock, flags);
if (info->xmit_cnt && info->xmit_buf
/* && !(info->IER & UART_IER_THRI) */) {
- outb(info->IER & ~UART_IER_THRI, info->base + UART_IER);
+ outb(info->IER & ~UART_IER_THRI, info->ioaddr + UART_IER);
info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
+ outb(info->IER, info->ioaddr + UART_IER);
}
spin_unlock_irqrestore(&info->slock, flags);
}
*/
static void mxser_wait_until_sent(struct tty_struct *tty, int timeout)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
unsigned long orig_jiffies, char_time;
int lsr;
timeout, char_time);
printk("jiff=%lu...", jiffies);
#endif
- while (!((lsr = inb(info->base + UART_LSR)) & UART_LSR_TEMT)) {
+ while (!((lsr = inb(info->ioaddr + UART_LSR)) & UART_LSR_TEMT)) {
#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
printk("lsr = %d (jiff=%lu)...", lsr, jiffies);
#endif
*/
void mxser_hangup(struct tty_struct *tty)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
mxser_flush_buffer(tty);
mxser_shutdown(info);
*/
static void mxser_rs_break(struct tty_struct *tty, int break_state)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
unsigned long flags;
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->ioaddr + UART_LCR) | UART_LCR_SBC,
+ info->ioaddr + UART_LCR);
else
- outb(inb(info->base + UART_LCR) & ~UART_LCR_SBC,
- info->base + UART_LCR);
+ outb(inb(info->ioaddr + UART_LCR) & ~UART_LCR_SBC,
+ info->ioaddr + UART_LCR);
spin_unlock_irqrestore(&info->slock, flags);
}
static irqreturn_t mxser_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
int status, iir, i;
- struct mxser_struct *info;
- struct mxser_struct *port;
+ struct mxser_board *brd = NULL;
+ struct mxser_port *port;
int max, irqbits, bits, msr;
int pass_counter = 0;
unsigned int int_cnt;
int handled = IRQ_NONE;
- port = NULL;
/* spin_lock(&gm_lock); */
- for (i = 0; i < MXSER_BOARDS; i++) {
- if (dev_id == &(mxvar_table[i * MXSER_PORTS_PER_BOARD])) {
- port = dev_id;
+ for (i = 0; i < MXSER_BOARDS; i++)
+ if (dev_id == &mxser_boards[i]) {
+ brd = dev_id;
break;
}
- }
if (i == MXSER_BOARDS)
goto irq_stop;
- if (port == 0)
+ if (brd == NULL)
goto irq_stop;
- max = mxser_numports[mxsercfg[i].board_type - 1];
+ max = mxser_numports[brd->board_type - 1];
while (1) {
- irqbits = inb(port->vector) & port->vectormask;
- if (irqbits == port->vectormask)
+ irqbits = inb(brd->vector) & brd->vector_mask;
+ if (irqbits == brd->vector_mask)
break;
handled = IRQ_HANDLED;
for (i = 0, bits = 1; i < max; i++, irqbits |= bits, bits <<= 1) {
- if (irqbits == port->vectormask)
+ if (irqbits == brd->vector_mask)
break;
if (bits & irqbits)
continue;
- info = port + i;
+ port = &brd->ports[i];
int_cnt = 0;
do {
/* following add by Victor Yu. 09-13-2002 */
- iir = inb(info->base + UART_IIR);
+ iir = inb(port->ioaddr + UART_IIR);
if (iir & UART_IIR_NO_INT)
break;
iir &= MOXA_MUST_IIR_MASK;
- if (!info->tty) {
- status = inb(info->base + UART_LSR);
- outb(0x27, info->base + UART_FCR);
- inb(info->base + UART_MSR);
+ if (!port->tty) {
+ status = inb(port->ioaddr + UART_LSR);
+ outb(0x27, port->ioaddr + UART_FCR);
+ inb(port->ioaddr + UART_MSR);
break;
}
/* above add by Victor Yu. 09-13-2002 */
- spin_lock(&info->slock);
+ spin_lock(&port->slock);
/* following add by Victor Yu. 09-02-2002 */
- status = inb(info->base + UART_LSR);
+ status = inb(port->ioaddr + UART_LSR);
if (status & UART_LSR_PE)
- info->err_shadow |= NPPI_NOTIFY_PARITY;
+ port->err_shadow |= NPPI_NOTIFY_PARITY;
if (status & UART_LSR_FE)
- info->err_shadow |= NPPI_NOTIFY_FRAMING;
+ port->err_shadow |= NPPI_NOTIFY_FRAMING;
if (status & UART_LSR_OE)
- info->err_shadow |=
+ port->err_shadow |=
NPPI_NOTIFY_HW_OVERRUN;
if (status & UART_LSR_BI)
- info->err_shadow |= NPPI_NOTIFY_BREAK;
+ port->err_shadow |= NPPI_NOTIFY_BREAK;
- if (info->IsMoxaMustChipFlag) {
+ if (port->board->chip_flag) {
/*
if ( (status & 0x02) && !(status & 0x01) ) {
- outb(info->base+UART_FCR, 0x23);
+ outb(port->ioaddr+UART_FCR, 0x23);
continue;
}
*/
iir == MOXA_MUST_IIR_RDA ||
iir == MOXA_MUST_IIR_RTO ||
iir == MOXA_MUST_IIR_LSR)
- mxser_receive_chars(info,
+ mxser_receive_chars(port,
&status);
} else {
/* above add by Victor Yu. 09-02-2002 */
- status &= info->read_status_mask;
+ status &= port->read_status_mask;
if (status & UART_LSR_DR)
- mxser_receive_chars(info,
+ mxser_receive_chars(port,
&status);
}
- msr = inb(info->base + UART_MSR);
+ msr = inb(port->ioaddr + UART_MSR);
if (msr & UART_MSR_ANY_DELTA)
- mxser_check_modem_status(info, msr);
+ mxser_check_modem_status(port, msr);
/* following add by Victor Yu. 09-13-2002 */
- if (info->IsMoxaMustChipFlag) {
+ if (port->board->chip_flag) {
if (iir == 0x02 && (status &
UART_LSR_THRE))
- mxser_transmit_chars(info);
+ mxser_transmit_chars(port);
} else {
/* above add by Victor Yu. 09-13-2002 */
if (status & UART_LSR_THRE)
- mxser_transmit_chars(info);
+ mxser_transmit_chars(port);
}
- spin_unlock(&info->slock);
+ spin_unlock(&port->slock);
} while (int_cnt++ < MXSER_ISR_PASS_LIMIT);
}
if (pass_counter++ > MXSER_ISR_PASS_LIMIT)
return handled;
}
-static void mxser_receive_chars(struct mxser_struct *info, int *status)
+static void mxser_receive_chars(struct mxser_port *port, int *status)
{
- struct tty_struct *tty = info->tty;
+ struct tty_struct *tty = port->tty;
unsigned char ch, gdl;
int ignored = 0;
int cnt = 0;
int max = 256;
unsigned long flags;
- spin_lock_irqsave(&info->slock, flags);
+ spin_lock_irqsave(&port->slock, flags);
recv_room = tty->receive_room;
- if ((recv_room == 0) && (!info->ldisc_stop_rx)) {
+ if ((recv_room == 0) && (!port->ldisc_stop_rx)) {
/* mxser_throttle(tty); */
mxser_stoprx(tty);
/* return; */
}
/* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag != MOXA_OTHER_UART) {
+ if (port->board->chip_flag != 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 &&
+ if (port->board->chip_flag == MOXA_MUST_MU860_HWID &&
(*status & MOXA_MUST_LSR_RERR))
goto intr_old;
/* 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);
+ gdl = inb(port->ioaddr + MOXA_MUST_GDL_REGISTER);
/* add by Victor Yu. 02-11-2004 */
- if (info->IsMoxaMustChipFlag == MOXA_MUST_MU150_HWID)
+ if (port->board->chip_flag == MOXA_MUST_MU150_HWID)
gdl &= MOXA_MUST_GDL_MASK;
if (gdl >= recv_room) {
- if (!info->ldisc_stop_rx) {
+ if (!port->ldisc_stop_rx) {
/* mxser_throttle(tty); */
mxser_stoprx(tty);
}
/* return; */
}
while (gdl--) {
- ch = inb(info->base + UART_RX);
+ ch = inb(port->ioaddr + UART_RX);
tty_insert_flip_char(tty, ch, 0);
cnt++;
}
if (max-- < 0)
break;
- ch = inb(info->base + UART_RX);
+ ch = inb(port->ioaddr + UART_RX);
/* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag && (*status & UART_LSR_OE)
+ if (port->board->chip_flag && (*status & UART_LSR_OE)
/*&& !(*status&UART_LSR_DR) */)
- outb(0x23, info->base + UART_FCR);
- *status &= info->read_status_mask;
+ outb(0x23, port->ioaddr + UART_FCR);
+ *status &= port->read_status_mask;
/* above add by Victor Yu. 09-02-2002 */
- if (*status & info->ignore_status_mask) {
+ if (*status & port->ignore_status_mask) {
if (++ignored > 100)
break;
} else {
if (*status & UART_LSR_BI) {
flag = TTY_BREAK;
/* added by casper 1/11/2000 */
- info->icount.brk++;
+ port->icount.brk++;
- if (info->flags & ASYNC_SAK)
+ if (port->flags & ASYNC_SAK)
do_SAK(tty);
} else if (*status & UART_LSR_PE) {
flag = TTY_PARITY;
/* added by casper 1/11/2000 */
- info->icount.parity++;
+ port->icount.parity++;
} else if (*status & UART_LSR_FE) {
flag = TTY_FRAME;
/* added by casper 1/11/2000 */
- info->icount.frame++;
+ port->icount.frame++;
} else if (*status & UART_LSR_OE) {
flag = TTY_OVERRUN;
/* added by casper 1/11/2000 */
- info->icount.overrun++;
+ port->icount.overrun++;
} else
flags = TTY_BREAK;
} else
tty_insert_flip_char(tty, ch, flag);
cnt++;
if (cnt >= recv_room) {
- if (!info->ldisc_stop_rx) {
+ if (!port->ldisc_stop_rx) {
/* mxser_throttle(tty); */
mxser_stoprx(tty);
}
}
/* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag)
+ if (port->board->chip_flag)
break;
/* mask by Victor Yu. 09-02-2002
- *status = inb(info->base + UART_LSR) & info->read_status_mask;
+ *status = inb(port->ioaddr + UART_LSR) & port->read_status_mask;
*/
/* following add by Victor Yu. 09-02-2002 */
- *status = inb(info->base + UART_LSR);
+ *status = inb(port->ioaddr + UART_LSR);
/* above add by Victor Yu. 09-02-2002 */
} while (*status & UART_LSR_DR);
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;
- spin_unlock_irqrestore(&info->slock, flags);
+ mxvar_log.rxcnt[port->tty->index] += cnt;
+ port->mon_data.rxcnt += cnt;
+ port->mon_data.up_rxcnt += cnt;
+ spin_unlock_irqrestore(&port->slock, flags);
tty_flip_buffer_push(tty);
}
-static void mxser_transmit_chars(struct mxser_struct *info)
+static void mxser_transmit_chars(struct mxser_port *port)
{
int count, cnt;
unsigned long flags;
- spin_lock_irqsave(&info->slock, flags);
+ spin_lock_irqsave(&port->slock, flags);
- if (info->x_char) {
- outb(info->x_char, info->base + UART_TX);
- info->x_char = 0;
- mxvar_log.txcnt[info->port]++;
- info->mon_data.txcnt++;
- info->mon_data.up_txcnt++;
+ if (port->x_char) {
+ outb(port->x_char, port->ioaddr + UART_TX);
+ port->x_char = 0;
+ mxvar_log.txcnt[port->tty->index]++;
+ port->mon_data.txcnt++;
+ port->mon_data.up_txcnt++;
/* added by casper 1/11/2000 */
- info->icount.tx++;
+ port->icount.tx++;
goto unlock;
}
- if (info->xmit_buf == 0)
+ if (port->xmit_buf == 0)
goto unlock;
- if (info->xmit_cnt == 0) {
- if (info->xmit_cnt < WAKEUP_CHARS) { /* XXX what's this for?? */
- set_bit(MXSER_EVENT_TXLOW, &info->event);
- schedule_work(&info->tqueue);
+ if (port->xmit_cnt == 0) {
+ if (port->xmit_cnt < WAKEUP_CHARS) { /* XXX what's this for?? */
+ set_bit(MXSER_EVENT_TXLOW, &port->event);
+ schedule_work(&port->tqueue);
}
goto unlock;
}
- if (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);
+ if (port->tty->stopped || (port->tty->hw_stopped &&
+ (port->type != PORT_16550A) &&
+ (!port->board->chip_flag))) {
+ port->IER &= ~UART_IER_THRI;
+ outb(port->IER, port->ioaddr + UART_IER);
goto unlock;
}
- cnt = info->xmit_cnt;
- count = info->xmit_fifo_size;
+ cnt = port->xmit_cnt;
+ count = port->xmit_fifo_size;
do {
- 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)
+ outb(port->xmit_buf[port->xmit_tail++],
+ port->ioaddr + UART_TX);
+ port->xmit_tail = port->xmit_tail & (SERIAL_XMIT_SIZE - 1);
+ if (--port->xmit_cnt <= 0)
break;
} while (--count > 0);
- mxvar_log.txcnt[info->port] += (cnt - info->xmit_cnt);
+ mxvar_log.txcnt[port->tty->index] += (cnt - port->xmit_cnt);
/* added by James 03-12-2004. */
- info->mon_data.txcnt += (cnt - info->xmit_cnt);
- info->mon_data.up_txcnt += (cnt - info->xmit_cnt);
+ port->mon_data.txcnt += (cnt - port->xmit_cnt);
+ port->mon_data.up_txcnt += (cnt - port->xmit_cnt);
/* added by casper 1/11/2000 */
- info->icount.tx += (cnt - info->xmit_cnt);
+ port->icount.tx += (cnt - port->xmit_cnt);
- if (info->xmit_cnt < WAKEUP_CHARS) {
- set_bit(MXSER_EVENT_TXLOW, &info->event);
- schedule_work(&info->tqueue);
+ if (port->xmit_cnt < WAKEUP_CHARS) {
+ set_bit(MXSER_EVENT_TXLOW, &port->event);
+ schedule_work(&port->tqueue);
}
- if (info->xmit_cnt <= 0) {
- info->IER &= ~UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
+ if (port->xmit_cnt <= 0) {
+ port->IER &= ~UART_IER_THRI;
+ outb(port->IER, port->ioaddr + UART_IER);
}
unlock:
- spin_unlock_irqrestore(&info->slock, flags);
+ spin_unlock_irqrestore(&port->slock, flags);
}
-static void mxser_check_modem_status(struct mxser_struct *info, int status)
+static void mxser_check_modem_status(struct mxser_port *port, int status)
{
/* update input line counters */
if (status & UART_MSR_TERI)
- info->icount.rng++;
+ port->icount.rng++;
if (status & UART_MSR_DDSR)
- info->icount.dsr++;
+ port->icount.dsr++;
if (status & UART_MSR_DDCD)
- info->icount.dcd++;
+ port->icount.dcd++;
if (status & UART_MSR_DCTS)
- info->icount.cts++;
- info->mon_data.modem_status = status;
- wake_up_interruptible(&info->delta_msr_wait);
+ port->icount.cts++;
+ port->mon_data.modem_status = status;
+ wake_up_interruptible(&port->delta_msr_wait);
- if ((info->flags & ASYNC_CHECK_CD) && (status & UART_MSR_DDCD)) {
+ if ((port->flags & ASYNC_CHECK_CD) && (status & UART_MSR_DDCD)) {
if (status & UART_MSR_DCD)
- wake_up_interruptible(&info->open_wait);
- schedule_work(&info->tqueue);
+ wake_up_interruptible(&port->open_wait);
+ schedule_work(&port->tqueue);
}
- if (info->flags & ASYNC_CTS_FLOW) {
- if (info->tty->hw_stopped) {
+ if (port->flags & ASYNC_CTS_FLOW) {
+ if (port->tty->hw_stopped) {
if (status & UART_MSR_CTS) {
- info->tty->hw_stopped = 0;
-
- if ((info->type != PORT_16550A) &&
- (!info->IsMoxaMustChipFlag)) {
- outb(info->IER & ~UART_IER_THRI,
- info->base + UART_IER);
- info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
+ port->tty->hw_stopped = 0;
+
+ if ((port->type != PORT_16550A) &&
+ (!port->board->chip_flag)) {
+ outb(port->IER & ~UART_IER_THRI,
+ port->ioaddr + UART_IER);
+ port->IER |= UART_IER_THRI;
+ outb(port->IER, port->ioaddr +
+ UART_IER);
}
- set_bit(MXSER_EVENT_TXLOW, &info->event);
- schedule_work(&info->tqueue);
+ set_bit(MXSER_EVENT_TXLOW, &port->event);
+ schedule_work(&port->tqueue);
}
} else {
if (!(status & UART_MSR_CTS)) {
- info->tty->hw_stopped = 1;
- if (info->type != PORT_16550A &&
- !info->IsMoxaMustChipFlag) {
- info->IER &= ~UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
+ port->tty->hw_stopped = 1;
+ if (port->type != PORT_16550A &&
+ !port->board->chip_flag) {
+ port->IER &= ~UART_IER_THRI;
+ outb(port->IER, port->ioaddr +
+ UART_IER);
}
}
}
}
}
-static int mxser_block_til_ready(struct tty_struct *tty, struct file *filp, struct mxser_struct *info)
+static int mxser_block_til_ready(struct tty_struct *tty, struct file *filp, struct mxser_port *port)
{
DECLARE_WAITQUEUE(wait, current);
int retval;
* then make the check up front and then exit.
*/
if ((filp->f_flags & O_NONBLOCK) || (tty->flags & (1 << TTY_IO_ERROR))) {
- info->flags |= ASYNC_NORMAL_ACTIVE;
+ port->flags |= ASYNC_NORMAL_ACTIVE;
return 0;
}
/*
* Block waiting for the carrier detect and the line to become
* free (i.e., not in use by the callout). While we are in
- * this loop, info->count is dropped by one, so that
+ * this loop, port->count is dropped by one, so that
* mxser_close() knows when to free things. We restore it upon
* exit, either normal or abnormal.
*/
retval = 0;
- add_wait_queue(&info->open_wait, &wait);
+ add_wait_queue(&port->open_wait, &wait);
- spin_lock_irqsave(&info->slock, flags);
+ spin_lock_irqsave(&port->slock, flags);
if (!tty_hung_up_p(filp))
- info->count--;
- spin_unlock_irqrestore(&info->slock, flags);
- info->blocked_open++;
+ port->count--;
+ spin_unlock_irqrestore(&port->slock, flags);
+ port->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);
- spin_unlock_irqrestore(&info->slock, flags);
+ spin_lock_irqsave(&port->slock, flags);
+ outb(inb(port->ioaddr + UART_MCR) |
+ UART_MCR_DTR | UART_MCR_RTS, port->ioaddr + UART_MCR);
+ spin_unlock_irqrestore(&port->slock, flags);
set_current_state(TASK_INTERRUPTIBLE);
- if (tty_hung_up_p(filp) || !(info->flags & ASYNC_INITIALIZED)) {
- if (info->flags & ASYNC_HUP_NOTIFY)
+ if (tty_hung_up_p(filp) || !(port->flags & ASYNC_INITIALIZED)) {
+ if (port->flags & ASYNC_HUP_NOTIFY)
retval = -EAGAIN;
else
retval = -ERESTARTSYS;
break;
}
- if (!(info->flags & ASYNC_CLOSING) &&
+ if (!(port->flags & ASYNC_CLOSING) &&
(do_clocal ||
- (inb(info->base + UART_MSR) & UART_MSR_DCD)))
+ (inb(port->ioaddr + UART_MSR) & UART_MSR_DCD)))
break;
if (signal_pending(current)) {
retval = -ERESTARTSYS;
schedule();
}
set_current_state(TASK_RUNNING);
- remove_wait_queue(&info->open_wait, &wait);
+ remove_wait_queue(&port->open_wait, &wait);
if (!tty_hung_up_p(filp))
- info->count++;
- info->blocked_open--;
+ port->count++;
+ port->blocked_open--;
if (retval)
return retval;
- info->flags |= ASYNC_NORMAL_ACTIVE;
+ port->flags |= ASYNC_NORMAL_ACTIVE;
return 0;
}
-static int mxser_startup(struct mxser_struct *info)
+static int mxser_startup(struct mxser_port *info)
{
unsigned long page;
unsigned long flags;
return 0;
}
- if (!info->base || !info->type) {
+ if (!info->ioaddr || !info->type) {
if (info->tty)
set_bit(TTY_IO_ERROR, &info->tty->flags);
free_page(page);
* Clear the FIFO buffers and disable them
* (they will be reenabled in mxser_change_speed())
*/
- if (info->IsMoxaMustChipFlag)
+ if (info->board->chip_flag)
outb((UART_FCR_CLEAR_RCVR |
UART_FCR_CLEAR_XMIT |
- MOXA_MUST_FCR_GDA_MODE_ENABLE), info->base + UART_FCR);
+ MOXA_MUST_FCR_GDA_MODE_ENABLE), info->ioaddr + UART_FCR);
else
outb((UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT),
- info->base + UART_FCR);
+ info->ioaddr + UART_FCR);
/*
* At this point there's no way the LSR could still be 0xFF;
* if it is, then bail out, because there's likely no UART
* here.
*/
- if (inb(info->base + UART_LSR) == 0xff) {
+ if (inb(info->ioaddr + UART_LSR) == 0xff) {
spin_unlock_irqrestore(&info->slock, flags);
if (capable(CAP_SYS_ADMIN)) {
if (info->tty)
/*
* Clear the interrupt registers.
*/
- (void) inb(info->base + UART_LSR);
- (void) inb(info->base + UART_RX);
- (void) inb(info->base + UART_IIR);
- (void) inb(info->base + UART_MSR);
+ (void) inb(info->ioaddr + UART_LSR);
+ (void) inb(info->ioaddr + UART_RX);
+ (void) inb(info->ioaddr + UART_IIR);
+ (void) inb(info->ioaddr + UART_MSR);
/*
* Now, initialize the UART
*/
- outb(UART_LCR_WLEN8, info->base + UART_LCR); /* reset DLAB */
+ outb(UART_LCR_WLEN8, info->ioaddr + UART_LCR); /* reset DLAB */
info->MCR = UART_MCR_DTR | UART_MCR_RTS;
- outb(info->MCR, info->base + UART_MCR);
+ outb(info->MCR, info->ioaddr + UART_MCR);
/*
* Finally, enable interrupts
/* info->IER = UART_IER_RLSI | UART_IER_RDI; */
/* following add by Victor Yu. 08-30-2002 */
- if (info->IsMoxaMustChipFlag)
+ if (info->board->chip_flag)
info->IER |= MOXA_MUST_IER_EGDAI;
/* above add by Victor Yu. 08-30-2002 */
- outb(info->IER, info->base + UART_IER); /* enable interrupts */
+ outb(info->IER, info->ioaddr + UART_IER); /* enable interrupts */
/*
* And clear the interrupt registers again for luck.
*/
- (void) inb(info->base + UART_LSR);
- (void) inb(info->base + UART_RX);
- (void) inb(info->base + UART_IIR);
- (void) inb(info->base + UART_MSR);
+ (void) inb(info->ioaddr + UART_LSR);
+ (void) inb(info->ioaddr + UART_RX);
+ (void) inb(info->ioaddr + UART_IIR);
+ (void) inb(info->ioaddr + UART_MSR);
if (info->tty)
clear_bit(TTY_IO_ERROR, &info->tty->flags);
* This routine will shutdown a serial port; interrupts maybe disabled, and
* DTR is dropped if the hangup on close termio flag is on.
*/
-static void mxser_shutdown(struct mxser_struct *info)
+static void mxser_shutdown(struct mxser_port *info)
{
unsigned long flags;
}
info->IER = 0;
- outb(0x00, info->base + UART_IER);
+ outb(0x00, info->ioaddr + UART_IER);
if (!info->tty || (info->tty->termios->c_cflag & HUPCL))
info->MCR &= ~(UART_MCR_DTR | UART_MCR_RTS);
- outb(info->MCR, info->base + UART_MCR);
+ outb(info->MCR, info->ioaddr + UART_MCR);
/* clear Rx/Tx FIFO's */
/* 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);
+ if (info->board->chip_flag)
+ outb(UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT |
+ MOXA_MUST_FCR_GDA_MODE_ENABLE,
+ info->ioaddr + UART_FCR);
else
/* above add by Victor Yu. 08-30-2002 */
- outb((UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT),
- info->base + UART_FCR);
+ outb(UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT,
+ info->ioaddr + UART_FCR);
/* read data port to reset things */
- (void) inb(info->base + UART_RX);
+ (void) inb(info->ioaddr + UART_RX);
if (info->tty)
set_bit(TTY_IO_ERROR, &info->tty->flags);
info->flags &= ~ASYNC_INITIALIZED;
/* following add by Victor Yu. 09-23-2002 */
- if (info->IsMoxaMustChipFlag)
- SET_MOXA_MUST_NO_SOFTWARE_FLOW_CONTROL(info->base);
+ if (info->board->chip_flag)
+ SET_MOXA_MUST_NO_SOFTWARE_FLOW_CONTROL(info->ioaddr);
/* above add by Victor Yu. 09-23-2002 */
spin_unlock_irqrestore(&info->slock, flags);
* This routine is called to set the UART divisor registers to match
* the specified baud rate for a serial port.
*/
-static int mxser_change_speed(struct mxser_struct *info, struct termios *old_termios)
+static int mxser_change_speed(struct mxser_port *info,
+ struct termios *old_termios)
{
unsigned cflag, cval, fcr;
int ret = 0;
if (!info->tty || !info->tty->termios)
return ret;
cflag = info->tty->termios->c_cflag;
- if (!(info->base))
+ if (!(info->ioaddr))
return ret;
#ifndef B921600
#define B921600 (B460800 +1)
#endif
- if (mxser_set_baud_method[info->port] == 0) {
+ if (mxser_set_baud_method[info->tty->index] == 0) {
baud = tty_get_baud_rate(info->tty);
mxser_set_baud(info, baud);
}
cval |= UART_LCR_SPAR;
if ((info->type == PORT_8250) || (info->type == PORT_16450)) {
- if (info->IsMoxaMustChipFlag) {
+ if (info->board->chip_flag) {
fcr = UART_FCR_ENABLE_FIFO;
fcr |= MOXA_MUST_FCR_GDA_MODE_ENABLE;
SET_MOXA_MUST_FIFO_VALUE(info);
} else {
fcr = UART_FCR_ENABLE_FIFO;
/* following add by Victor Yu. 08-30-2002 */
- if (info->IsMoxaMustChipFlag) {
+ if (info->board->chip_flag) {
fcr |= MOXA_MUST_FCR_GDA_MODE_ENABLE;
SET_MOXA_MUST_FIFO_VALUE(info);
} else {
if (cflag & CRTSCTS) {
info->flags |= ASYNC_CTS_FLOW;
info->IER |= UART_IER_MSI;
- if ((info->type == PORT_16550A) || (info->IsMoxaMustChipFlag)) {
+ if ((info->type == PORT_16550A) || (info->board->chip_flag)) {
info->MCR |= UART_MCR_AFE;
- /* status = mxser_get_msr(info->base, 0, info->port); */
+/* status = mxser_get_msr(info->ioaddr, 0, info->port); */
/*
save_flags(flags);
cli();
*/
/* mxser_check_modem_status(info, status); */
} else {
- /* status = mxser_get_msr(info->base, 0, info->port); */
+/* status = mxser_get_msr(info->ioaddr, 0, info->port); */
/* MX_LOCK(&info->slock); */
- status = inb(info->base + UART_MSR);
+ status = inb(info->ioaddr + UART_MSR);
/* 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) {
+ !info->board->chip_flag) {
outb(info->IER & ~UART_IER_THRI,
- info->base + UART_IER);
+ info->ioaddr +
+ UART_IER);
info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
+ outb(info->IER, info->ioaddr +
+ UART_IER);
}
set_bit(MXSER_EVENT_TXLOW, &info->event);
schedule_work(&info->tqueue); }
if (!(status & UART_MSR_CTS)) {
info->tty->hw_stopped = 1;
if ((info->type != PORT_16550A) &&
- (!info->IsMoxaMustChipFlag)) {
+ (!info->board->chip_flag)) {
info->IER &= ~UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
+ outb(info->IER, info->ioaddr +
+ UART_IER);
}
}
}
} else {
info->flags &= ~ASYNC_CTS_FLOW;
}
- outb(info->MCR, info->base + UART_MCR);
+ outb(info->MCR, info->ioaddr + UART_MCR);
if (cflag & CLOCAL) {
info->flags &= ~ASYNC_CHECK_CD;
} else {
info->flags |= ASYNC_CHECK_CD;
info->IER |= UART_IER_MSI;
}
- outb(info->IER, info->base + UART_IER);
+ outb(info->IER, info->ioaddr + UART_IER);
/*
* Set up parity check flag
}
}
/* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag) {
+ if (info->board->chip_flag) {
spin_lock_irqsave(&info->slock, flags);
- SET_MOXA_MUST_XON1_VALUE(info->base, START_CHAR(info->tty));
- SET_MOXA_MUST_XOFF1_VALUE(info->base, STOP_CHAR(info->tty));
+ SET_MOXA_MUST_XON1_VALUE(info->ioaddr, START_CHAR(info->tty));
+ SET_MOXA_MUST_XOFF1_VALUE(info->ioaddr, STOP_CHAR(info->tty));
if (I_IXON(info->tty)) {
- ENABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->base);
+ ENABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->ioaddr);
} else {
- DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->base);
+ DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->ioaddr);
}
if (I_IXOFF(info->tty)) {
- ENABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(info->base);
+ ENABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(info->ioaddr);
} else {
- DISABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(info->base);
+ DISABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(info->ioaddr);
}
/*
if ( I_IXANY(info->tty) ) {
info->MCR |= MOXA_MUST_MCR_XON_ANY;
- ENABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(info->base);
+ ENABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(info->ioaddr);
} else {
info->MCR &= ~MOXA_MUST_MCR_XON_ANY;
- DISABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(info->base);
+ DISABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(info->ioaddr);
}
*/
spin_unlock_irqrestore(&info->slock, flags);
/* above add by Victor Yu. 09-02-2002 */
- outb(fcr, info->base + UART_FCR); /* set fcr */
- outb(cval, info->base + UART_LCR);
+ outb(fcr, info->ioaddr + UART_FCR); /* set fcr */
+ outb(cval, info->ioaddr + UART_LCR);
return ret;
}
-static int mxser_set_baud(struct mxser_struct *info, long newspd)
+static int mxser_set_baud(struct mxser_port *info, long newspd)
{
int quot = 0;
unsigned char cval;
if (!info->tty || !info->tty->termios)
return ret;
- if (!(info->base))
+ if (!(info->ioaddr))
return ret;
- if (newspd > info->MaxCanSetBaudRate)
+ if (newspd > info->max_baud)
return 0;
info->realbaud = newspd;
if (quot) {
spin_lock_irqsave(&info->slock, flags);
info->MCR |= UART_MCR_DTR;
- outb(info->MCR, info->base + UART_MCR);
+ outb(info->MCR, info->ioaddr + UART_MCR);
spin_unlock_irqrestore(&info->slock, flags);
} else {
spin_lock_irqsave(&info->slock, flags);
info->MCR &= ~UART_MCR_DTR;
- outb(info->MCR, info->base + UART_MCR);
+ outb(info->MCR, info->ioaddr + UART_MCR);
spin_unlock_irqrestore(&info->slock, flags);
return ret;
}
- cval = inb(info->base + UART_LCR);
+ cval = inb(info->ioaddr + UART_LCR);
- outb(cval | UART_LCR_DLAB, info->base + UART_LCR); /* set DLAB */
+ outb(cval | UART_LCR_DLAB, info->ioaddr + UART_LCR); /* set DLAB */
- outb(quot & 0xff, info->base + UART_DLL); /* LS of divisor */
- outb(quot >> 8, info->base + UART_DLM); /* MS of divisor */
- outb(cval, info->base + UART_LCR); /* reset DLAB */
+ outb(quot & 0xff, info->ioaddr + UART_DLL); /* LS of divisor */
+ outb(quot >> 8, info->ioaddr + UART_DLM); /* MS of divisor */
+ outb(cval, info->ioaddr + UART_LCR); /* reset DLAB */
return ret;
* friends of mxser_ioctl()
* ------------------------------------------------------------
*/
-static int mxser_get_serial_info(struct mxser_struct *info, struct serial_struct __user *retinfo)
+static int mxser_get_serial_info(struct mxser_port *info,
+ struct serial_struct __user *retinfo)
{
struct serial_struct tmp;
return -EFAULT;
memset(&tmp, 0, sizeof(tmp));
tmp.type = info->type;
- tmp.line = info->port;
- tmp.port = info->base;
- tmp.irq = info->irq;
+ tmp.line = info->tty->index;
+ tmp.port = info->ioaddr;
+ tmp.irq = info->board->irq;
tmp.flags = info->flags;
tmp.baud_base = info->baud_base;
tmp.close_delay = info->close_delay;
return 0;
}
-static int mxser_set_serial_info(struct mxser_struct *info, struct serial_struct __user *new_info)
+static int mxser_set_serial_info(struct mxser_port *info,
+ struct serial_struct __user *new_info)
{
struct serial_struct new_serial;
unsigned int flags;
int retval = 0;
- if (!new_info || !info->base)
+ if (!new_info || !info->ioaddr)
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) ||
+ if ((new_serial.irq != info->board->irq) ||
+ (new_serial.port != info->ioaddr) ||
(new_serial.custom_divisor != info->custom_divisor) ||
(new_serial.baud_base != info->baud_base))
return -EPERM;
process_txrx_fifo(info);
if (info->flags & ASYNC_INITIALIZED) {
- if (flags != (info->flags & ASYNC_SPD_MASK)) {
+ if (flags != (info->flags & ASYNC_SPD_MASK))
mxser_change_speed(info, NULL);
- }
- } else {
+ } else
retval = mxser_startup(info);
- }
+
return retval;
}
* transmit holding register is empty. This functionality
* allows an RS485 driver to be written in user space.
*/
-static int mxser_get_lsr_info(struct mxser_struct *info, unsigned int __user *value)
+static int mxser_get_lsr_info(struct mxser_port *info,
+ unsigned int __user *value)
{
unsigned char status;
unsigned int result;
unsigned long flags;
spin_lock_irqsave(&info->slock, flags);
- status = inb(info->base + UART_LSR);
+ status = inb(info->ioaddr + UART_LSR);
spin_unlock_irqrestore(&info->slock, flags);
result = ((status & UART_LSR_TEMT) ? TIOCSER_TEMT : 0);
return put_user(result, value);
/*
* This routine sends a break character out the serial port.
*/
-static void mxser_send_break(struct mxser_struct *info, int duration)
+static void mxser_send_break(struct mxser_port *info, int duration)
{
unsigned long flags;
- if (!info->base)
+ if (!info->ioaddr)
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->ioaddr + UART_LCR) | UART_LCR_SBC,
+ info->ioaddr + 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->ioaddr + UART_LCR) & ~UART_LCR_SBC,
+ info->ioaddr + UART_LCR);
spin_unlock_irqrestore(&info->slock, flags);
}
static int mxser_tiocmget(struct tty_struct *tty, struct file *file)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
unsigned char control, status;
unsigned long flags;
control = info->MCR;
spin_lock_irqsave(&info->slock, flags);
- status = inb(info->base + UART_MSR);
+ status = inb(info->ioaddr + UART_MSR);
if (status & UART_MSR_ANY_DELTA)
mxser_check_modem_status(info, status);
spin_unlock_irqrestore(&info->slock, flags);
((status & UART_MSR_CTS) ? TIOCM_CTS : 0);
}
-static int mxser_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear)
+static int mxser_tiocmset(struct tty_struct *tty, struct file *file,
+ unsigned int set, unsigned int clear)
{
- struct mxser_struct *info = tty->driver_data;
+ struct mxser_port *info = tty->driver_data;
unsigned long flags;
if (clear & TIOCM_DTR)
info->MCR &= ~UART_MCR_DTR;
- outb(info->MCR, info->base + UART_MCR);
+ outb(info->MCR, info->ioaddr + UART_MCR);
spin_unlock_irqrestore(&info->slock, flags);
return 0;
}
static int mxser_program_mode(int);
static void mxser_normal_mode(int);
-static int mxser_get_ISA_conf(int cap, struct mxser_hwconf *hwconf)
+static int mxser_get_ISA_conf(int cap, struct mxser_board *brd)
{
int id, i, bits;
unsigned short regs[16], irq;
unsigned char scratch, scratch2;
- hwconf->IsMoxaMustChipFlag = MOXA_OTHER_UART;
+ brd->chip_flag = MOXA_OTHER_UART;
id = mxser_read_register(cap, regs);
if (id == C168_ASIC_ID) {
- hwconf->board_type = MXSER_BOARD_C168_ISA;
- hwconf->ports = 8;
+ brd->board_type = MXSER_BOARD_C168_ISA;
+ brd->nports = 8;
} else if (id == C104_ASIC_ID) {
- hwconf->board_type = MXSER_BOARD_C104_ISA;
- hwconf->ports = 4;
+ brd->board_type = MXSER_BOARD_C104_ISA;
+ brd->nports = 4;
} else if (id == C102_ASIC_ID) {
- hwconf->board_type = MXSER_BOARD_C102_ISA;
- hwconf->ports = 2;
+ brd->board_type = MXSER_BOARD_C102_ISA;
+ brd->nports = 2;
} else if (id == CI132_ASIC_ID) {
- hwconf->board_type = MXSER_BOARD_CI132;
- hwconf->ports = 2;
+ brd->board_type = MXSER_BOARD_CI132;
+ brd->nports = 2;
} else if (id == CI134_ASIC_ID) {
- hwconf->board_type = MXSER_BOARD_CI134;
- hwconf->ports = 4;
+ brd->board_type = MXSER_BOARD_CI134;
+ brd->nports = 4;
} else if (id == CI104J_ASIC_ID) {
- hwconf->board_type = MXSER_BOARD_CI104J;
- hwconf->ports = 4;
+ brd->board_type = MXSER_BOARD_CI104J;
+ brd->nports = 4;
} else
return 0;
irq = 0;
- if (hwconf->ports == 2) {
+ if (brd->nports == 2) {
irq = regs[9] & 0xF000;
irq = irq | (irq >> 4);
if (irq != (regs[9] & 0xFF00))
return MXSER_ERR_IRQ_CONFLIT;
- } else if (hwconf->ports == 4) {
+ } else if (brd->nports == 4) {
irq = regs[9] & 0xF000;
irq = irq | (irq >> 4);
irq = irq | (irq >> 8);
if (irq != regs[9])
return MXSER_ERR_IRQ_CONFLIT;
- } else if (hwconf->ports == 8) {
+ } else if (brd->nports == 8) {
irq = regs[9] & 0xF000;
irq = irq | (irq >> 4);
irq = irq | (irq >> 8);
if (!irq)
return MXSER_ERR_IRQ;
- hwconf->irq = ((int)(irq & 0xF000) >> 12);
+ brd->irq = ((int)(irq & 0xF000) >> 12);
for (i = 0; i < 8; i++)
- hwconf->ioaddr[i] = (int) regs[i + 1] & 0xFFF8;
+ brd->ports[i].ioaddr = (int) regs[i + 1] & 0xFFF8;
if ((regs[12] & 0x80) == 0)
return MXSER_ERR_VECTOR;
- hwconf->vector = (int)regs[11]; /* interrupt vector */
+ brd->vector = (int)regs[11]; /* interrupt vector */
if (id == 1)
- hwconf->vector_mask = 0x00FF;
+ brd->vector_mask = 0x00FF;
else
- hwconf->vector_mask = 0x000F;
+ brd->vector_mask = 0x000F;
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 */
+ brd->ports[i].baud_base = 921600;
+ brd->ports[i].max_baud = 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 */
+ brd->ports[i].baud_base = 115200;
+ brd->ports[i].max_baud = 115200; /* add by Victor Yu. 09-04-2002 */
}
}
scratch2 = inb(cap + UART_LCR) & (~UART_LCR_DLAB);
scratch = inb(cap + UART_IIR);
if (scratch & 0xC0)
- hwconf->uart_type = PORT_16550A;
+ brd->uart_type = PORT_16550A;
else
- hwconf->uart_type = PORT_16450;
+ brd->uart_type = PORT_16450;
if (id == 1)
- hwconf->ports = 8;
+ brd->nports = 8;
else
- hwconf->ports = 4;
- request_region(hwconf->ioaddr[0], 8 * hwconf->ports, "mxser(IO)");
- request_region(hwconf->vector, 1, "mxser(vector)");
- return hwconf->ports;
+ brd->nports = 4;
+ request_region(brd->ports[0].ioaddr, 8 * brd->nports, "mxser(IO)");
+ request_region(brd->vector, 1, "mxser(vector)");
+ return brd->nports;
}
#define CHIP_SK 0x01 /* Serial Data Clock in Eprom */
projects / linux-drm-fsl-dcu.git / commitdiff