diff options
Diffstat (limited to 'drivers/char/mxser_new.c')
| -rw-r--r-- | drivers/char/mxser_new.c | 1196 |
1 files changed, 576 insertions, 620 deletions
diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c index befff0548da3..7e53c7397832 100644 --- a/drivers/char/mxser_new.c +++ b/drivers/char/mxser_new.c @@ -57,7 +57,7 @@ #include "mxser_new.h" -#define MXSER_VERSION "1.9.1" +#define MXSER_VERSION "2.0" #define MXSERMAJOR 174 #define MXSERCUMAJOR 175 @@ -85,8 +85,6 @@ #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 @@ -202,8 +200,6 @@ static const struct mxpciuart_info Gpci_uart_info[UART_INFO_NUM] = { }; -#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 }, @@ -243,18 +239,8 @@ static struct pci_device_id mxser_pcibrds[] = { .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; @@ -301,69 +287,77 @@ struct mxser_mon_ext { 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 { @@ -381,8 +375,8 @@ static int mxserBoardCAP[MXSER_BOARDS] = { /* 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]; @@ -394,21 +388,13 @@ 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 *); @@ -428,24 +414,28 @@ static void mxser_start(struct tty_struct *); 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) @@ -530,18 +520,18 @@ static void __exit mxser_module_exit(void) 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); } } } @@ -549,7 +539,7 @@ static void __exit mxser_module_exit(void) 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; @@ -558,60 +548,44 @@ static void process_txrx_fifo(struct mxser_struct *info) 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); @@ -622,118 +596,102 @@ static int mxser_initbrd(int board, struct mxser_hwconf *hwconf) 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); @@ -756,13 +714,12 @@ static int mxser_init(void) 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 */ @@ -772,11 +729,12 @@ static int mxser_init(void) 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) @@ -795,17 +753,10 @@ static int mxser_init(void) 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++; @@ -818,11 +769,12 @@ static int mxser_init(void) 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) @@ -841,26 +793,16 @@ static int mxser_init(void) 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, @@ -869,13 +811,9 @@ static int mxser_init(void) 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 " @@ -887,9 +825,11 @@ static int mxser_init(void) "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 @@ -909,12 +849,8 @@ static int mxser_init(void) "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 @@ -922,7 +858,6 @@ static int mxser_init(void) pci_dev_get(pdev); } } -#endif retval = tty_register_driver(mxvar_sdriver); if (retval) { @@ -931,10 +866,10 @@ static int mxser_init(void) 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 */ } } @@ -946,7 +881,7 @@ static int mxser_init(void) static void mxser_do_softint(void *private_) { - struct mxser_struct *info = private_; + struct mxser_port *info = private_; struct tty_struct *tty; tty = info->tty; @@ -957,7 +892,7 @@ static void mxser_do_softint(void *private_) 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; @@ -980,7 +915,7 @@ static unsigned char mxser_get_msr(int baseaddr, int mode, int port, struct mxse */ 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 */ @@ -991,8 +926,8 @@ static int mxser_open(struct tty_struct *tty, struct file *filp) 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; @@ -1038,7 +973,7 @@ static int mxser_open(struct tty_struct *tty, struct file *filp) */ 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; @@ -1069,7 +1004,7 @@ static void mxser_close(struct tty_struct *tty, struct file *filp) } 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) { @@ -1098,20 +1033,20 @@ static void mxser_close(struct tty_struct *tty, struct file *filp) * 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; @@ -1146,7 +1081,7 @@ static void mxser_close(struct tty_struct *tty, struct file *filp) 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) @@ -1174,11 +1109,12 @@ static int mxser_write(struct tty_struct *tty, const unsigned char *buf, int cou /*&& !(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); } } @@ -1187,7 +1123,7 @@ static int mxser_write(struct tty_struct *tty, const unsigned char *buf, int cou 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) @@ -1204,11 +1140,11 @@ static void mxser_put_char(struct tty_struct *tty, unsigned char ch) 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); } } @@ -1217,7 +1153,7 @@ static void mxser_put_char(struct tty_struct *tty, unsigned char ch) 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 || @@ -1225,22 +1161,22 @@ static void mxser_flush_chars(struct tty_struct *tty) !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; @@ -1251,10 +1187,10 @@ static int mxser_write_room(struct tty_struct *tty) 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; @@ -1262,7 +1198,7 @@ static int mxser_chars_in_buffer(struct tty_struct *tty) 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; @@ -1271,10 +1207,10 @@ static void mxser_flush_buffer(struct tty_struct *tty) 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 */ @@ -1286,7 +1222,7 @@ static void mxser_flush_buffer(struct tty_struct *tty) 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; @@ -1305,7 +1241,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, unsigned int c 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; @@ -1465,7 +1401,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, unsigned int c 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); @@ -1479,10 +1415,10 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, unsigned int c /* 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 @@ -1518,7 +1454,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, unsigned int c 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; @@ -1536,14 +1472,17 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, unsigned int c 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; @@ -1556,96 +1495,106 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp) 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; @@ -1655,26 +1604,26 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp) 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; @@ -1682,31 +1631,31 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp) 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)) { @@ -1714,21 +1663,21 @@ static void mxser_startrx(struct tty_struct *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); } } @@ -1738,7 +1687,7 @@ static void mxser_startrx(struct tty_struct *tty) */ 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); @@ -1748,7 +1697,7 @@ static void mxser_throttle(struct tty_struct *tty) 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); @@ -1758,7 +1707,7 @@ static void mxser_unthrottle(struct tty_struct *tty) 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) || @@ -1779,9 +1728,9 @@ static void mxser_set_termios(struct tty_struct *tty, struct termios *old_termio 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 */ @@ -1798,28 +1747,28 @@ static void mxser_set_termios(struct tty_struct *tty, struct termios *old_termio */ 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); } @@ -1829,7 +1778,7 @@ static void mxser_start(struct tty_struct *tty) */ 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; @@ -1870,7 +1819,7 @@ static void mxser_wait_until_sent(struct tty_struct *tty, int timeout) 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 @@ -1893,7 +1842,7 @@ static void mxser_wait_until_sent(struct tty_struct *tty, int timeout) */ 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); @@ -1911,16 +1860,16 @@ void mxser_hangup(struct tty_struct *tty) */ 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); } @@ -1933,74 +1882,72 @@ static void mxser_rs_break(struct tty_struct *tty, int break_state) 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; } */ @@ -2008,33 +1955,33 @@ static irqreturn_t mxser_interrupt(int irq, void *dev_id, struct pt_regs *regs) 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) @@ -2046,9 +1993,9 @@ static irqreturn_t mxser_interrupt(int irq, void *dev_id, struct pt_regs *regs) 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; @@ -2056,42 +2003,42 @@ static void mxser_receive_chars(struct mxser_struct *info, int *status) 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++; } @@ -2104,14 +2051,14 @@ static void mxser_receive_chars(struct mxser_struct *info, int *status) 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 { @@ -2120,22 +2067,22 @@ static void mxser_receive_chars(struct mxser_struct *info, int *status) 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 @@ -2143,7 +2090,7 @@ static void mxser_receive_chars(struct mxser_struct *info, int *status) 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); } @@ -2153,142 +2100,144 @@ static void mxser_receive_chars(struct mxser_struct *info, int *status) } /* 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; @@ -2300,7 +2249,7 @@ static int mxser_block_til_ready(struct tty_struct *tty, struct file *filp, stru * 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; } @@ -2310,34 +2259,34 @@ static int mxser_block_til_ready(struct tty_struct *tty, struct file *filp, stru /* * 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; @@ -2346,17 +2295,17 @@ static int mxser_block_til_ready(struct tty_struct *tty, struct file *filp, stru 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; @@ -2373,7 +2322,7 @@ static int mxser_startup(struct mxser_struct *info) 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); @@ -2389,20 +2338,20 @@ static int mxser_startup(struct mxser_struct *info) * 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) @@ -2415,17 +2364,17 @@ static int mxser_startup(struct mxser_struct *info) /* * 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 @@ -2434,18 +2383,18 @@ static int mxser_startup(struct mxser_struct *info) /* 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); @@ -2465,7 +2414,7 @@ static int mxser_startup(struct mxser_struct *info) * 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; @@ -2489,25 +2438,25 @@ static void mxser_shutdown(struct mxser_struct *info) } 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); @@ -2515,8 +2464,8 @@ static void mxser_shutdown(struct mxser_struct *info) 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); @@ -2526,7 +2475,8 @@ static void mxser_shutdown(struct mxser_struct *info) * 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; @@ -2537,13 +2487,13 @@ static int mxser_change_speed(struct mxser_struct *info, struct termios *old_ter 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); } @@ -2576,7 +2526,7 @@ static int mxser_change_speed(struct mxser_struct *info, struct termios *old_ter 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); @@ -2585,7 +2535,7 @@ static int mxser_change_speed(struct mxser_struct *info, struct termios *old_ter } 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 { @@ -2613,9 +2563,9 @@ static int mxser_change_speed(struct mxser_struct *info, struct termios *old_ter 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(); @@ -2624,19 +2574,21 @@ static int mxser_change_speed(struct mxser_struct *info, struct termios *old_ter */ /* 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); } @@ -2644,9 +2596,10 @@ static int mxser_change_speed(struct mxser_struct *info, struct termios *old_ter 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); } } } @@ -2654,14 +2607,14 @@ static int mxser_change_speed(struct mxser_struct *info, struct termios *old_ter } 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 @@ -2693,27 +2646,27 @@ static int mxser_change_speed(struct mxser_struct *info, struct termios *old_ter } } /* 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); @@ -2721,14 +2674,14 @@ static int mxser_change_speed(struct mxser_struct *info, struct termios *old_ter /* 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; @@ -2738,10 +2691,10 @@ static int mxser_set_baud(struct mxser_struct *info, long newspd) 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; @@ -2761,23 +2714,23 @@ static int mxser_set_baud(struct mxser_struct *info, long 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; @@ -2788,7 +2741,8 @@ static int mxser_set_baud(struct mxser_struct *info, long newspd) * 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; @@ -2796,9 +2750,9 @@ static int mxser_get_serial_info(struct mxser_struct *info, struct serial_struct 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; @@ -2810,19 +2764,20 @@ static int mxser_get_serial_info(struct mxser_struct *info, struct serial_struct 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; @@ -2856,12 +2811,11 @@ static int mxser_set_serial_info(struct mxser_struct *info, struct serial_struct 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; } @@ -2875,14 +2829,15 @@ static int mxser_set_serial_info(struct mxser_struct *info, struct serial_struct * 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); @@ -2891,27 +2846,27 @@ static int mxser_get_lsr_info(struct mxser_struct *info, unsigned int __user *va /* * 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; @@ -2924,7 +2879,7 @@ static int mxser_tiocmget(struct tty_struct *tty, struct file *file) 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); @@ -2936,9 +2891,10 @@ static int mxser_tiocmget(struct tty_struct *tty, struct file *file) ((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; @@ -2959,7 +2915,7 @@ static int mxser_tiocmset(struct tty_struct *tty, struct file *file, unsigned in 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; } @@ -2969,49 +2925,49 @@ static int mxser_read_register(int, unsigned short *); 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); @@ -3021,23 +2977,23 @@ static int mxser_get_ISA_conf(int cap, struct mxser_hwconf *hwconf) 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); @@ -3048,16 +3004,16 @@ static int mxser_get_ISA_conf(int cap, struct mxser_hwconf *hwconf) 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 */ |