diff options
Diffstat (limited to 'drivers/staging/sb105x/sb_pci_mp.c')
| -rw-r--r-- | drivers/staging/sb105x/sb_pci_mp.c | 3189 |
1 files changed, 0 insertions, 3189 deletions
diff --git a/drivers/staging/sb105x/sb_pci_mp.c b/drivers/staging/sb105x/sb_pci_mp.c deleted file mode 100644 index c9d6ee3903ad..000000000000 --- a/drivers/staging/sb105x/sb_pci_mp.c +++ /dev/null @@ -1,3189 +0,0 @@ -#include "sb_pci_mp.h" -#include <linux/module.h> -#include <linux/parport.h> - -extern struct parport *parport_pc_probe_port(unsigned long base_lo, - unsigned long base_hi, - int irq, int dma, - struct device *dev, - int irqflags); - -static struct mp_device_t mp_devs[MAX_MP_DEV]; -static int mp_nrpcibrds = sizeof(mp_pciboards)/sizeof(mppcibrd_t); -static int NR_BOARD=0; -static int NR_PORTS=0; -static struct mp_port multi_ports[MAX_MP_PORT]; -static struct irq_info irq_lists[NR_IRQS]; - -static _INLINE_ unsigned int serial_in(struct mp_port *mtpt, int offset); -static _INLINE_ void serial_out(struct mp_port *mtpt, int offset, int value); -static _INLINE_ unsigned int read_option_register(struct mp_port *mtpt, int offset); -static int sb1054_get_register(struct sb_uart_port *port, int page, int reg); -static int sb1054_set_register(struct sb_uart_port *port, int page, int reg, int value); -static void SendATCommand(struct mp_port *mtpt); -static int set_deep_fifo(struct sb_uart_port *port, int status); -static int get_deep_fifo(struct sb_uart_port *port); -static int get_device_type(int arg); -static int set_auto_rts(struct sb_uart_port *port, int status); -static void mp_stop(struct tty_struct *tty); -static void __mp_start(struct tty_struct *tty); -static void mp_start(struct tty_struct *tty); -static void mp_tasklet_action(unsigned long data); -static inline void mp_update_mctrl(struct sb_uart_port *port, unsigned int set, unsigned int clear); -static int mp_startup(struct sb_uart_state *state, int init_hw); -static void mp_shutdown(struct sb_uart_state *state); -static void mp_change_speed(struct sb_uart_state *state, struct MP_TERMIOS *old_termios); - -static inline int __mp_put_char(struct sb_uart_port *port, struct circ_buf *circ, unsigned char c); -static int mp_put_char(struct tty_struct *tty, unsigned char ch); - -static void mp_put_chars(struct tty_struct *tty); -static int mp_write(struct tty_struct *tty, const unsigned char *buf, int count); -static int mp_write_room(struct tty_struct *tty); -static int mp_chars_in_buffer(struct tty_struct *tty); -static void mp_flush_buffer(struct tty_struct *tty); -static void mp_send_xchar(struct tty_struct *tty, char ch); -static void mp_throttle(struct tty_struct *tty); -static void mp_unthrottle(struct tty_struct *tty); -static int mp_get_info(struct sb_uart_state *state, struct serial_struct *retinfo); -static int mp_set_info(struct sb_uart_state *state, struct serial_struct *newinfo); -static int mp_get_lsr_info(struct sb_uart_state *state, unsigned int *value); - -static int mp_tiocmget(struct tty_struct *tty); -static int mp_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear); -static int mp_break_ctl(struct tty_struct *tty, int break_state); -static int mp_do_autoconfig(struct sb_uart_state *state); -static int mp_wait_modem_status(struct sb_uart_state *state, unsigned long arg); -static int mp_get_count(struct sb_uart_state *state, struct serial_icounter_struct *icnt); -static int mp_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg); -static void mp_set_termios(struct tty_struct *tty, struct MP_TERMIOS *old_termios); -static void mp_close(struct tty_struct *tty, struct file *filp); -static void mp_wait_until_sent(struct tty_struct *tty, int timeout); -static void mp_hangup(struct tty_struct *tty); -static void mp_update_termios(struct sb_uart_state *state); -static int mp_block_til_ready(struct file *filp, struct sb_uart_state *state); -static struct sb_uart_state *uart_get(struct uart_driver *drv, int line); -static int mp_open(struct tty_struct *tty, struct file *filp); -static const char *mp_type(struct sb_uart_port *port); -static void mp_change_pm(struct sb_uart_state *state, int pm_state); -static inline void mp_report_port(struct uart_driver *drv, struct sb_uart_port *port); -static void mp_configure_port(struct uart_driver *drv, struct sb_uart_state *state, struct sb_uart_port *port); -static void mp_unconfigure_port(struct uart_driver *drv, struct sb_uart_state *state); -static int mp_register_driver(struct uart_driver *drv); -static void mp_unregister_driver(struct uart_driver *drv); -static int mp_add_one_port(struct uart_driver *drv, struct sb_uart_port *port); -static int mp_remove_one_port(struct uart_driver *drv, struct sb_uart_port *port); -static void autoconfig(struct mp_port *mtpt, unsigned int probeflags); -static void autoconfig_irq(struct mp_port *mtpt); -static void multi_stop_tx(struct sb_uart_port *port); -static void multi_start_tx(struct sb_uart_port *port); -static void multi_stop_rx(struct sb_uart_port *port); -static void multi_enable_ms(struct sb_uart_port *port); -static _INLINE_ void receive_chars(struct mp_port *mtpt, int *status ); -static _INLINE_ void transmit_chars(struct mp_port *mtpt); -static _INLINE_ void check_modem_status(struct mp_port *mtpt); -static inline void multi_handle_port(struct mp_port *mtpt); -static irqreturn_t multi_interrupt(int irq, void *dev_id); -static void serial_do_unlink(struct irq_info *i, struct mp_port *mtpt); -static int serial_link_irq_chain(struct mp_port *mtpt); -static void serial_unlink_irq_chain(struct mp_port *mtpt); -static void multi_timeout(unsigned long data); -static unsigned int multi_tx_empty(struct sb_uart_port *port); -static unsigned int multi_get_mctrl(struct sb_uart_port *port); -static void multi_set_mctrl(struct sb_uart_port *port, unsigned int mctrl); -static void multi_break_ctl(struct sb_uart_port *port, int break_state); -static int multi_startup(struct sb_uart_port *port); -static void multi_shutdown(struct sb_uart_port *port); -static unsigned int multi_get_divisor(struct sb_uart_port *port, unsigned int baud); -static void multi_set_termios(struct sb_uart_port *port, struct MP_TERMIOS *termios, struct MP_TERMIOS *old); -static void multi_pm(struct sb_uart_port *port, unsigned int state, unsigned int oldstate); -static void multi_release_std_resource(struct mp_port *mtpt); -static void multi_release_port(struct sb_uart_port *port); -static int multi_request_port(struct sb_uart_port *port); -static void multi_config_port(struct sb_uart_port *port, int flags); -static int multi_verify_port(struct sb_uart_port *port, struct serial_struct *ser); -static const char *multi_type(struct sb_uart_port *port); -static void __init multi_init_ports(void); -static void __init multi_register_ports(struct uart_driver *drv); -static int init_mp_dev(struct pci_dev *pcidev, mppcibrd_t brd); - -static int deep[256]; -static int deep_count; -static int fcr_arr[256]; -static int fcr_count; -static int ttr[256]; -static int ttr_count; -static int rtr[256]; -static int rtr_count; - -module_param_array(deep,int,&deep_count,0); -module_param_array(fcr_arr,int,&fcr_count,0); -module_param_array(ttr,int,&ttr_count,0); -module_param_array(rtr,int,&rtr_count,0); - -static _INLINE_ unsigned int serial_in(struct mp_port *mtpt, int offset) -{ - return inb(mtpt->port.iobase + offset); -} - -static _INLINE_ void serial_out(struct mp_port *mtpt, int offset, int value) -{ - outb(value, mtpt->port.iobase + offset); -} - -static _INLINE_ unsigned int read_option_register(struct mp_port *mtpt, int offset) -{ - return inb(mtpt->option_base_addr + offset); -} - -static int sb1053a_get_interface(struct mp_port *mtpt, int port_num) -{ - unsigned long option_base_addr = mtpt->option_base_addr; - unsigned int interface = 0; - - switch (port_num) - { - case 0: - case 1: - /* set GPO[1:0] = 00 */ - outb(0x00, option_base_addr + MP_OPTR_GPODR); - break; - case 2: - case 3: - /* set GPO[1:0] = 01 */ - outb(0x01, option_base_addr + MP_OPTR_GPODR); - break; - case 4: - case 5: - /* set GPO[1:0] = 10 */ - outb(0x02, option_base_addr + MP_OPTR_GPODR); - break; - default: - break; - } - - port_num &= 0x1; - - /* get interface */ - interface = inb(option_base_addr + MP_OPTR_IIR0 + port_num); - - /* set GPO[1:0] = 11 */ - outb(0x03, option_base_addr + MP_OPTR_GPODR); - - return (interface); -} - -static int sb1054_get_register(struct sb_uart_port *port, int page, int reg) -{ - int ret = 0; - unsigned int lcr = 0; - unsigned int mcr = 0; - unsigned int tmp = 0; - - if( page <= 0) - { - printk(" page 0 can not use this function\n"); - return -1; - } - - switch(page) - { - case 1: - lcr = SB105X_GET_LCR(port); - tmp = lcr | SB105X_LCR_DLAB; - SB105X_PUT_LCR(port, tmp); - - tmp = SB105X_GET_LCR(port); - - ret = SB105X_GET_REG(port,reg); - SB105X_PUT_LCR(port,lcr); - break; - case 2: - mcr = SB105X_GET_MCR(port); - tmp = mcr | SB105X_MCR_P2S; - SB105X_PUT_MCR(port,tmp); - - ret = SB105X_GET_REG(port,reg); - - SB105X_PUT_MCR(port,mcr); - break; - case 3: - lcr = SB105X_GET_LCR(port); - tmp = lcr | SB105X_LCR_BF; - SB105X_PUT_LCR(port,tmp); - SB105X_PUT_REG(port,SB105X_PSR,SB105X_PSR_P3KEY); - - ret = SB105X_GET_REG(port,reg); - - SB105X_PUT_LCR(port,lcr); - break; - case 4: - lcr = SB105X_GET_LCR(port); - tmp = lcr | SB105X_LCR_BF; - SB105X_PUT_LCR(port,tmp); - SB105X_PUT_REG(port,SB105X_PSR,SB105X_PSR_P4KEY); - - ret = SB105X_GET_REG(port,reg); - - SB105X_PUT_LCR(port,lcr); - break; - default: - printk(" error invalid page number \n"); - return -1; - } - - return ret; -} - -static int sb1054_set_register(struct sb_uart_port *port, int page, int reg, int value) -{ - int lcr = 0; - int mcr = 0; - int ret = 0; - - if( page <= 0) - { - printk(" page 0 can not use this function\n"); - return -1; - } - switch(page) - { - case 1: - lcr = SB105X_GET_LCR(port); - SB105X_PUT_LCR(port, lcr | SB105X_LCR_DLAB); - - SB105X_PUT_REG(port,reg,value); - - SB105X_PUT_LCR(port, lcr); - ret = 1; - break; - case 2: - mcr = SB105X_GET_MCR(port); - SB105X_PUT_MCR(port, mcr | SB105X_MCR_P2S); - - SB105X_PUT_REG(port,reg,value); - - SB105X_PUT_MCR(port, mcr); - ret = 1; - break; - case 3: - lcr = SB105X_GET_LCR(port); - SB105X_PUT_LCR(port, lcr | SB105X_LCR_BF); - SB105X_PUT_PSR(port, SB105X_PSR_P3KEY); - - SB105X_PUT_REG(port,reg,value); - - SB105X_PUT_LCR(port, lcr); - ret = 1; - break; - case 4: - lcr = SB105X_GET_LCR(port); - SB105X_PUT_LCR(port, lcr | SB105X_LCR_BF); - SB105X_PUT_PSR(port, SB105X_PSR_P4KEY); - - SB105X_PUT_REG(port,reg,value); - - SB105X_PUT_LCR(port, lcr); - ret = 1; - break; - default: - printk(" error invalid page number \n"); - return -1; - } - - return ret; -} - -static int set_multidrop_mode(struct sb_uart_port *port, unsigned int mode) -{ - int mdr = SB105XA_MDR_NPS; - - if (mode & MDMODE_ENABLE) - { - mdr |= SB105XA_MDR_MDE; - } - - if (1) //(mode & MDMODE_AUTO) - { - int efr = 0; - mdr |= SB105XA_MDR_AME; - efr = sb1054_get_register(port, PAGE_3, SB105X_EFR); - efr |= SB105X_EFR_SCD; - sb1054_set_register(port, PAGE_3, SB105X_EFR, efr); - } - - sb1054_set_register(port, PAGE_1, SB105XA_MDR, mdr); - port->mdmode &= ~0x6; - port->mdmode |= mode; - printk("[%d] multidrop init: %x\n", port->line, port->mdmode); - - return 0; -} - -static int get_multidrop_addr(struct sb_uart_port *port) -{ - return sb1054_get_register(port, PAGE_3, SB105X_XOFF2); -} - -static int set_multidrop_addr(struct sb_uart_port *port, unsigned int addr) -{ - sb1054_set_register(port, PAGE_3, SB105X_XOFF2, addr); - - return 0; -} - -static void SendATCommand(struct mp_port *mtpt) -{ - // a t cr lf - unsigned char ch[] = {0x61,0x74,0x0d,0x0a,0x0}; - unsigned char lineControl; - unsigned char i=0; - unsigned char Divisor = 0xc; - - lineControl = serial_inp(mtpt,UART_LCR); - serial_outp(mtpt,UART_LCR,(lineControl | UART_LCR_DLAB)); - serial_outp(mtpt,UART_DLL,(Divisor & 0xff)); - serial_outp(mtpt,UART_DLM,(Divisor & 0xff00)>>8); //baudrate is 4800 - - - serial_outp(mtpt,UART_LCR,lineControl); - serial_outp(mtpt,UART_LCR,0x03); // N-8-1 - serial_outp(mtpt,UART_FCR,7); - serial_outp(mtpt,UART_MCR,0x3); - while(ch[i]){ - while((serial_inp(mtpt,UART_LSR) & 0x60) !=0x60){ - ; - } - serial_outp(mtpt,0,ch[i++]); - } - - -}// end of SendATCommand() - -static int set_deep_fifo(struct sb_uart_port *port, int status) -{ - int afr_status = 0; - afr_status = sb1054_get_register(port, PAGE_4, SB105X_AFR); - - if(status == ENABLE) - { - afr_status |= SB105X_AFR_AFEN; - } - else - { - afr_status &= ~SB105X_AFR_AFEN; - } - - sb1054_set_register(port,PAGE_4,SB105X_AFR,afr_status); - sb1054_set_register(port,PAGE_4,SB105X_TTR,ttr[port->line]); - sb1054_set_register(port,PAGE_4,SB105X_RTR,rtr[port->line]); - afr_status = sb1054_get_register(port, PAGE_4, SB105X_AFR); - - return afr_status; -} - -static int get_device_type(int arg) -{ - int ret; - ret = inb(mp_devs[arg].option_reg_addr+MP_OPTR_DIR0); - ret = (ret & 0xf0) >> 4; - switch (ret) - { - case DIR_UART_16C550: - return PORT_16C55X; - case DIR_UART_16C1050: - return PORT_16C105X; - case DIR_UART_16C1050A: - /* - if (mtpt->port.line < 2) - { - return PORT_16C105XA; - } - else - { - if (mtpt->device->device_id & 0x50) - { - return PORT_16C55X; - } - else - { - return PORT_16C105X; - } - }*/ - return PORT_16C105XA; - default: - return PORT_UNKNOWN; - } - -} -static int get_deep_fifo(struct sb_uart_port *port) -{ - int afr_status = 0; - afr_status = sb1054_get_register(port, PAGE_4, SB105X_AFR); - return afr_status; -} - -static int set_auto_rts(struct sb_uart_port *port, int status) -{ - int atr_status = 0; - -#if 0 - int efr_status = 0; - - efr_status = sb1054_get_register(port, PAGE_3, SB105X_EFR); - if(status == ENABLE) - efr_status |= SB105X_EFR_ARTS; - else - efr_status &= ~SB105X_EFR_ARTS; - sb1054_set_register(port,PAGE_3,SB105X_EFR,efr_status); - efr_status = sb1054_get_register(port, PAGE_3, SB105X_EFR); -#endif - -//ATR - atr_status = sb1054_get_register(port, PAGE_3, SB105X_ATR); - switch(status) - { - case RS422PTP: - atr_status = (SB105X_ATR_TPS) | (SB105X_ATR_A80); - break; - case RS422MD: - atr_status = (SB105X_ATR_TPS) | (SB105X_ATR_TCMS) | (SB105X_ATR_A80); - break; - case RS485NE: - atr_status = (SB105X_ATR_RCMS) | (SB105X_ATR_TPS) | (SB105X_ATR_TCMS) | (SB105X_ATR_A80); - break; - case RS485ECHO: - atr_status = (SB105X_ATR_TPS) | (SB105X_ATR_TCMS) | (SB105X_ATR_A80); - break; - } - - sb1054_set_register(port,PAGE_3,SB105X_ATR,atr_status); - atr_status = sb1054_get_register(port, PAGE_3, SB105X_ATR); - - return atr_status; -} - -static void mp_stop(struct tty_struct *tty) -{ - struct sb_uart_state *state = tty->driver_data; - struct sb_uart_port *port = state->port; - unsigned long flags; - - spin_lock_irqsave(&port->lock, flags); - port->ops->stop_tx(port); - spin_unlock_irqrestore(&port->lock, flags); -} - -static void __mp_start(struct tty_struct *tty) -{ - struct sb_uart_state *state = tty->driver_data; - struct sb_uart_port *port = state->port; - - if (!uart_circ_empty(&state->info->xmit) && state->info->xmit.buf && - !tty->stopped && !tty->hw_stopped) - port->ops->start_tx(port); -} - -static void mp_start(struct tty_struct *tty) -{ - __mp_start(tty); -} - -static void mp_tasklet_action(unsigned long data) -{ - struct sb_uart_state *state = (struct sb_uart_state *)data; - struct tty_struct *tty; - - printk("tasklet is called!\n"); - tty = state->info->tty; - tty_wakeup(tty); -} - -static inline void mp_update_mctrl(struct sb_uart_port *port, unsigned int set, unsigned int clear) -{ - unsigned int old; - - old = port->mctrl; - port->mctrl = (old & ~clear) | set; - if (old != port->mctrl) - port->ops->set_mctrl(port, port->mctrl); -} - -#define uart_set_mctrl(port,set) mp_update_mctrl(port,set,0) -#define uart_clear_mctrl(port,clear) mp_update_mctrl(port,0,clear) - -static int mp_startup(struct sb_uart_state *state, int init_hw) -{ - struct sb_uart_info *info = state->info; - struct sb_uart_port *port = state->port; - unsigned long page; - int retval = 0; - - if (info->flags & UIF_INITIALIZED) - return 0; - - if (info->tty) - set_bit(TTY_IO_ERROR, &info->tty->flags); - - if (port->type == PORT_UNKNOWN) - return 0; - - if (!info->xmit.buf) { - page = get_zeroed_page(GFP_KERNEL); - if (!page) - return -ENOMEM; - - info->xmit.buf = (unsigned char *) page; - - uart_circ_clear(&info->xmit); - } - - retval = port->ops->startup(port); - if (retval == 0) { - if (init_hw) { - mp_change_speed(state, NULL); - - if (info->tty && (info->tty->termios.c_cflag & CBAUD)) - uart_set_mctrl(port, TIOCM_RTS | TIOCM_DTR); - } - - info->flags |= UIF_INITIALIZED; - - if (info->tty) - clear_bit(TTY_IO_ERROR, &info->tty->flags); - } - - if (retval && capable(CAP_SYS_ADMIN)) - retval = 0; - - return retval; -} - -static void mp_shutdown(struct sb_uart_state *state) -{ - struct sb_uart_info *info = state->info; - struct sb_uart_port *port = state->port; - - if (info->tty) - set_bit(TTY_IO_ERROR, &info->tty->flags); - - if (info->flags & UIF_INITIALIZED) { - info->flags &= ~UIF_INITIALIZED; - - if (!info->tty || (info->tty->termios.c_cflag & HUPCL)) - uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS); - - wake_up_interruptible(&info->delta_msr_wait); - - port->ops->shutdown(port); - - synchronize_irq(port->irq); - } - tasklet_kill(&info->tlet); - - if (info->xmit.buf) { - free_page((unsigned long)info->xmit.buf); - info->xmit.buf = NULL; - } -} - -static void mp_change_speed(struct sb_uart_state *state, struct MP_TERMIOS *old_termios) -{ - struct tty_struct *tty = state->info->tty; - struct sb_uart_port *port = state->port; - - if (!tty || port->type == PORT_UNKNOWN) - return; - - if (tty->termios.c_cflag & CRTSCTS) - state->info->flags |= UIF_CTS_FLOW; - else - state->info->flags &= ~UIF_CTS_FLOW; - - if (tty->termios.c_cflag & CLOCAL) - state->info->flags &= ~UIF_CHECK_CD; - else - state->info->flags |= UIF_CHECK_CD; - - port->ops->set_termios(port, &tty->termios, old_termios); -} - -static inline int __mp_put_char(struct sb_uart_port *port, struct circ_buf *circ, unsigned char c) -{ - unsigned long flags; - int ret = 0; - - if (!circ->buf) - return 0; - - spin_lock_irqsave(&port->lock, flags); - if (uart_circ_chars_free(circ) != 0) { - circ->buf[circ->head] = c; - circ->head = (circ->head + 1) & (UART_XMIT_SIZE - 1); - ret = 1; - } - spin_unlock_irqrestore(&port->lock, flags); - return ret; -} - -static int mp_put_char(struct tty_struct *tty, unsigned char ch) -{ - struct sb_uart_state *state = tty->driver_data; - - return __mp_put_char(state->port, &state->info->xmit, ch); -} - -static void mp_put_chars(struct tty_struct *tty) -{ - mp_start(tty); -} - -static int mp_write(struct tty_struct *tty, const unsigned char *buf, int count) -{ - struct sb_uart_state *state = tty->driver_data; - struct sb_uart_port *port; - struct circ_buf *circ; - int c, ret = 0; - - if (!state || !state->info) { - return -EL3HLT; - } - - port = state->port; - circ = &state->info->xmit; - - if (!circ->buf) - return 0; - - while (1) { - c = CIRC_SPACE_TO_END(circ->head, circ->tail, UART_XMIT_SIZE); - if (count < c) - c = count; - if (c <= 0) - break; - memcpy(circ->buf + circ->head, buf, c); - - circ->head = (circ->head + c) & (UART_XMIT_SIZE - 1); - buf += c; - count -= c; - ret += c; - } - mp_start(tty); - return ret; -} - -static int mp_write_room(struct tty_struct *tty) -{ - struct sb_uart_state *state = tty->driver_data; - - return uart_circ_chars_free(&state->info->xmit); -} - -static int mp_chars_in_buffer(struct tty_struct *tty) -{ - struct sb_uart_state *state = tty->driver_data; - - return uart_circ_chars_pending(&state->info->xmit); -} - -static void mp_flush_buffer(struct tty_struct *tty) -{ - struct sb_uart_state *state = tty->driver_data; - struct sb_uart_port *port; - unsigned long flags; - - if (!state || !state->info) { - return; - } - - port = state->port; - spin_lock_irqsave(&port->lock, flags); - uart_circ_clear(&state->info->xmit); - spin_unlock_irqrestore(&port->lock, flags); - wake_up_interruptible(&tty->write_wait); - tty_wakeup(tty); -} - -static void mp_send_xchar(struct tty_struct *tty, char ch) -{ - struct sb_uart_state *state = tty->driver_data; - struct sb_uart_port *port = state->port; - unsigned long flags; - - if (port->ops->send_xchar) - port->ops->send_xchar(port, ch); - else { - port->x_char = ch; - if (ch) { - spin_lock_irqsave(&port->lock, flags); - port->ops->start_tx(port); - spin_unlock_irqrestore(&port->lock, flags); - } - } -} - -static void mp_throttle(struct tty_struct *tty) -{ - struct sb_uart_state *state = tty->driver_data; - - if (I_IXOFF(tty)) - mp_send_xchar(tty, STOP_CHAR(tty)); - - if (tty->termios.c_cflag & CRTSCTS) - uart_clear_mctrl(state->port, TIOCM_RTS); -} - -static void mp_unthrottle(struct tty_struct *tty) -{ - struct sb_uart_state *state = tty->driver_data; - struct sb_uart_port *port = state->port; - - if (I_IXOFF(tty)) { - if (port->x_char) - port->x_char = 0; - else - mp_send_xchar(tty, START_CHAR(tty)); - } - - if (tty->termios.c_cflag & CRTSCTS) - uart_set_mctrl(port, TIOCM_RTS); -} - -static int mp_get_info(struct sb_uart_state *state, struct serial_struct *retinfo) -{ - struct sb_uart_port *port = state->port; - struct serial_struct tmp; - - memset(&tmp, 0, sizeof(tmp)); - tmp.type = port->type; - tmp.line = port->line; - tmp.port = port->iobase; - if (HIGH_BITS_OFFSET) - tmp.port_high = (long) port->iobase >> HIGH_BITS_OFFSET; - tmp.irq = port->irq; - tmp.flags = port->flags; - tmp.xmit_fifo_size = port->fifosize; - tmp.baud_base = port->uartclk / 16; - tmp.close_delay = state->close_delay; - tmp.closing_wait = state->closing_wait == USF_CLOSING_WAIT_NONE ? - ASYNC_CLOSING_WAIT_NONE : - state->closing_wait; - tmp.custom_divisor = port->custom_divisor; - tmp.hub6 = port->hub6; - tmp.io_type = port->iotype; - tmp.iomem_reg_shift = port->regshift; - tmp.iomem_base = (void *)port->mapbase; - - if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) - return -EFAULT; - return 0; -} - -static int mp_set_info(struct sb_uart_state *state, struct serial_struct *newinfo) -{ - struct serial_struct new_serial; - struct sb_uart_port *port = state->port; - unsigned long new_port; - unsigned int change_irq, change_port, closing_wait; - unsigned int old_custom_divisor; - unsigned int old_flags, new_flags; - int retval = 0; - - if (copy_from_user(&new_serial, newinfo, sizeof(new_serial))) - return -EFAULT; - - new_port = new_serial.port; - if (HIGH_BITS_OFFSET) - new_port += (unsigned long) new_serial.port_high << HIGH_BITS_OFFSET; - - new_serial.irq = irq_canonicalize(new_serial.irq); - - closing_wait = new_serial.closing_wait == ASYNC_CLOSING_WAIT_NONE ? - USF_CLOSING_WAIT_NONE : new_serial.closing_wait; - MP_STATE_LOCK(state); - - change_irq = new_serial.irq != port->irq; - change_port = new_port != port->iobase || - (unsigned long)new_serial.iomem_base != port->mapbase || - new_serial.hub6 != port->hub6 || - new_serial.io_type != port->iotype || - new_serial.iomem_reg_shift != port->regshift || - new_serial.type != port->type; - old_flags = port->flags; - new_flags = new_serial.flags; - old_custom_divisor = port->custom_divisor; - - if (!capable(CAP_SYS_ADMIN)) { - retval = -EPERM; - if (change_irq || change_port || - (new_serial.baud_base != port->uartclk / 16) || - (new_serial.close_delay != state->close_delay) || - (closing_wait != state->closing_wait) || - (new_serial.xmit_fifo_size != port->fifosize) || - (((new_flags ^ old_flags) & ~UPF_USR_MASK) != 0)) - goto exit; - port->flags = ((port->flags & ~UPF_USR_MASK) | - (new_flags & UPF_USR_MASK)); - port->custom_divisor = new_serial.custom_divisor; - goto check_and_exit; - } - - if (port->ops->verify_port) - retval = port->ops->verify_port(port, &new_serial); - - if ((new_serial.irq >= NR_IRQS) || (new_serial.irq < 0) || - (new_serial.baud_base < 9600)) - retval = -EINVAL; - - if (retval) - goto exit; - - if (change_port || change_irq) { - retval = -EBUSY; - - if (uart_users(state) > 1) - goto exit; - - mp_shutdown(state); - } - - if (change_port) { - unsigned long old_iobase, old_mapbase; - unsigned int old_type, old_iotype, old_hub6, old_shift; - - old_iobase = port->iobase; - old_mapbase = port->mapbase; - old_type = port->type; - old_hub6 = port->hub6; - old_iotype = port->iotype; - old_shift = port->regshift; - - if (old_type != PORT_UNKNOWN) - port->ops->release_port(port); - - port->iobase = new_port; - port->type = new_serial.type; - port->hub6 = new_serial.hub6; - port->iotype = new_serial.io_type; - port->regshift = new_serial.iomem_reg_shift; - port->mapbase = (unsigned long)new_serial.iomem_base; - - if (port->type != PORT_UNKNOWN) { - retval = port->ops->request_port(port); - } else { - retval = 0; - } - - if (retval && old_type != PORT_UNKNOWN) { - port->iobase = old_iobase; - port->type = old_type; - port->hub6 = old_hub6; - port->iotype = old_iotype; - port->regshift = old_shift; - port->mapbase = old_mapbase; - retval = port->ops->request_port(port); - if (retval) - port->type = PORT_UNKNOWN; - - retval = -EBUSY; - } - } - - port->irq = new_serial.irq; - port->uartclk = new_serial.baud_base * 16; - port->flags = (port->flags & ~UPF_CHANGE_MASK) | - (new_flags & UPF_CHANGE_MASK); - port->custom_divisor = new_serial.custom_divisor; - state->close_delay = new_serial.close_delay; - state->closing_wait = closing_wait; - port->fifosize = new_serial.xmit_fifo_size; - if (state->info->tty) - state->info->tty->low_latency = - (port->flags & UPF_LOW_LATENCY) ? 1 : 0; - -check_and_exit: - retval = 0; - if (port->type == PORT_UNKNOWN) - goto exit; - if (state->info->flags & UIF_INITIALIZED) { - if (((old_flags ^ port->flags) & UPF_SPD_MASK) || - old_custom_divisor != port->custom_divisor) { - if (port->flags & UPF_SPD_MASK) { - printk(KERN_NOTICE - "%s sets custom speed on ttyMP%d. This " - "is deprecated.\n", current->comm, - port->line); - } - mp_change_speed(state, NULL); - } - } else - retval = mp_startup(state, 1); -exit: - MP_STATE_UNLOCK(state); - return retval; -} - - -static int mp_get_lsr_info(struct sb_uart_state *state, unsigned int *value) -{ - struct sb_uart_port *port = state->port; - unsigned int result; - - result = port->ops->tx_empty(port); - - if (port->x_char || - ((uart_circ_chars_pending(&state->info->xmit) > 0) && - !state->info->tty->stopped && !state->info->tty->hw_stopped)) - result &= ~TIOCSER_TEMT; - - return put_user(result, value); -} - -static int mp_tiocmget(struct tty_struct *tty) -{ - struct sb_uart_state *state = tty->driver_data; - struct sb_uart_port *port = state->port; - int result = -EIO; - - MP_STATE_LOCK(state); - if (!(tty->flags & (1 << TTY_IO_ERROR))) { - result = port->mctrl; - spin_lock_irq(&port->lock); - result |= port->ops->get_mctrl(port); - spin_unlock_irq(&port->lock); - } - MP_STATE_UNLOCK(state); - return result; -} - -static int mp_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear) -{ - struct sb_uart_state *state = tty->driver_data; - struct sb_uart_port *port = state->port; - int ret = -EIO; - - - MP_STATE_LOCK(state); - if (!(tty->flags & (1 << TTY_IO_ERROR))) { - mp_update_mctrl(port, set, clear); - ret = 0; - } - MP_STATE_UNLOCK(state); - - return ret; -} - -static int mp_break_ctl(struct tty_struct *tty, int break_state) -{ - struct sb_uart_state *state = tty->driver_data; - struct sb_uart_port *port = state->port; - - MP_STATE_LOCK(state); - - if (port->type != PORT_UNKNOWN) - port->ops->break_ctl(port, break_state); - - MP_STATE_UNLOCK(state); - return 0; -} - -static int mp_do_autoconfig(struct sb_uart_state *state) -{ - struct sb_uart_port *port = state->port; - int flags, ret; - - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - - if (mutex_lock_interruptible(&state->mutex)) - return -ERESTARTSYS; - ret = -EBUSY; - if (uart_users(state) == 1) { - mp_shutdown(state); - - if (port->type != PORT_UNKNOWN) - port->ops->release_port(port); - - flags = UART_CONFIG_TYPE; - if (port->flags & UPF_AUTO_IRQ) - flags |= UART_CONFIG_IRQ; - - port->ops->config_port(port, flags); - - ret = mp_startup(state, 1); - } - MP_STATE_UNLOCK(state); - return ret; -} - -static int mp_wait_modem_status(struct sb_uart_state *state, unsigned long arg) -{ - struct sb_uart_port *port = state->port; - DECLARE_WAITQUEUE(wait, current); - struct sb_uart_icount cprev, cnow; - int ret; - - spin_lock_irq(&port->lock); - memcpy(&cprev, &port->icount, sizeof(struct sb_uart_icount)); - - port->ops->enable_ms(port); - spin_unlock_irq(&port->lock); - - add_wait_queue(&state->info->delta_msr_wait, &wait); - for (;;) { - spin_lock_irq(&port->lock); - memcpy(&cnow, &port->icount, sizeof(struct sb_uart_icount)); - spin_unlock_irq(&port->lock); - - set_current_state(TASK_INTERRUPTIBLE); - - if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || - ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || - ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) || - ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) { - ret = 0; - break; - } - - schedule(); - - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - - cprev = cnow; - } - - current->state = TASK_RUNNING; - remove_wait_queue(&state->info->delta_msr_wait, &wait); - - return ret; -} - -static int mp_get_count(struct sb_uart_state *state, struct serial_icounter_struct *icnt) -{ - struct serial_icounter_struct icount = {}; - struct sb_uart_icount cnow; - struct sb_uart_port *port = state->port; - - spin_lock_irq(&port->lock); - memcpy(&cnow, &port->icount, sizeof(struct sb_uart_icount)); - spin_unlock_irq(&port->lock); - - icount.cts = cnow.cts; - icount.dsr = cnow.dsr; - icount.rng = cnow.rng; - icount.dcd = cnow.dcd; - icount.rx = cnow.rx; - icount.tx = cnow.tx; - icount.frame = cnow.frame; - icount.overrun = cnow.overrun; - icount.parity = cnow.parity; - icount.brk = cnow.brk; - icount.buf_overrun = cnow.buf_overrun; - - return copy_to_user(icnt, &icount, sizeof(icount)) ? -EFAULT : 0; -} - -static int mp_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg) -{ - struct sb_uart_state *state = tty->driver_data; - struct mp_port *info = (struct mp_port *)state->port; - int ret = -ENOIOCTLCMD; - - - switch (cmd) { - case TIOCSMULTIDROP: - /* set multi-drop mode enable or disable, and default operation mode is H/W mode */ - if (info->port.type == PORT_16C105XA) - { - //arg &= ~0x6; - //state->port->mdmode = 0; - return set_multidrop_mode((struct sb_uart_port *)info, (unsigned int)arg); - } - ret = -ENOTSUPP; - break; - case GETDEEPFIFO: - ret = get_deep_fifo(state->port); - return ret; - case SETDEEPFIFO: - ret = set_deep_fifo(state->port,arg); - deep[state->port->line] = arg; - return ret; - case SETTTR: - if (info->port.type == PORT_16C105X || info->port.type == PORT_16C105XA){ - ret = sb1054_set_register(state->port,PAGE_4,SB105X_TTR,arg); - ttr[state->port->line] = arg; - } - return ret; - case SETRTR: - if (info->port.type == PORT_16C105X || info->port.type == PORT_16C105XA){ - ret = sb1054_set_register(state->port,PAGE_4,SB105X_RTR,arg); - rtr[state->port->line] = arg; - } - return ret; - case GETTTR: - if (info->port.type == PORT_16C105X || info->port.type == PORT_16C105XA){ - ret = sb1054_get_register(state->port,PAGE_4,SB105X_TTR); - } - return ret; - case GETRTR: - if (info->port.type == PORT_16C105X || info->port.type == PORT_16C105XA){ - ret = sb1054_get_register(state->port,PAGE_4,SB105X_RTR); - } - return ret; - - case SETFCR: - if (info->port.type == PORT_16C105X || info->port.type == PORT_16C105XA){ - ret = sb1054_set_register(state->port,PAGE_1,SB105X_FCR,arg); - } - else{ - serial_out(info,2,arg); - } - - return ret; - case TIOCSMDADDR: - /* set multi-drop address */ - if (info->port.type == PORT_16C105XA) - { - state->port->mdmode |= MDMODE_ADDR; - return set_multidrop_addr((struct sb_uart_port *)info, (unsigned int)arg); - } - ret = -ENOTSUPP; - break; - - case TIOCGMDADDR: - /* set multi-drop address */ - if ((info->port.type == PORT_16C105XA) && (state->port->mdmode & MDMODE_ADDR)) - { - return get_multidrop_addr((struct sb_uart_port *)info); - } - ret = -ENOTSUPP; - break; - - case TIOCSENDADDR: - /* send address in multi-drop mode */ - if ((info->port.type == PORT_16C105XA) - && (state->port->mdmode & (MDMODE_ENABLE))) - { - if (mp_chars_in_buffer(tty) > 0) - { - tty_wait_until_sent(tty, 0); - } - //while ((serial_in(info, UART_LSR) & 0x60) != 0x60); - //while (sb1054_get_register(state->port, PAGE_2, SB105X_TFCR) != 0); - while ((serial_in(info, UART_LSR) & 0x60) != 0x60); - serial_out(info, UART_SCR, (int)arg); - } - break; - - case TIOCGSERIAL: - ret = mp_get_info(state, (struct serial_struct *)arg); - break; - - case TIOCSSERIAL: - ret = mp_set_info(state, (struct serial_struct *)arg); - break; - - case TIOCSERCONFIG: - ret = mp_do_autoconfig(state); - break; - - case TIOCSERGWILD: /* obsolete */ - case TIOCSERSWILD: /* obsolete */ - ret = 0; - break; - /* for Multiport */ - case TIOCGNUMOFPORT: /* Get number of ports */ - return NR_PORTS; - case TIOCGGETDEVID: - return mp_devs[arg].device_id; - case TIOCGGETREV: - return mp_devs[arg].revision; - case TIOCGGETNRPORTS: - return mp_devs[arg].nr_ports; - case TIOCGGETBDNO: - return NR_BOARD; - case TIOCGGETINTERFACE: - if (mp_devs[arg].revision == 0xc0) - { - /* for SB16C1053APCI */ - return (sb1053a_get_interface(info, info->port.line)); - } - else - { - return (inb(mp_devs[arg].option_reg_addr+MP_OPTR_IIR0+(state->port->line/8))); - } - case TIOCGGETPORTTYPE: - ret = get_device_type(arg); - return ret; - case TIOCSMULTIECHO: /* set to multi-drop mode(RS422) or echo mode(RS485)*/ - outb( ( inb(info->interface_config_addr) & ~0x03 ) | 0x01 , - info->interface_config_addr); - return 0; - case TIOCSPTPNOECHO: /* set to multi-drop mode(RS422) or echo mode(RS485) */ - outb( ( inb(info->interface_config_addr) & ~0x03 ) , - info->interface_config_addr); - return 0; - } - - if (ret != -ENOIOCTLCMD) - goto out; - - if (tty->flags & (1 << TTY_IO_ERROR)) { - ret = -EIO; - goto out; - } - - switch (cmd) { - case TIOCMIWAIT: - ret = mp_wait_modem_status(state, arg); - break; - - case TIOCGICOUNT: - ret = mp_get_count(state, (struct serial_icounter_struct *)arg); - break; - } - - if (ret != -ENOIOCTLCMD) - goto out; - - MP_STATE_LOCK(state); - switch (cmd) { - case TIOCSERGETLSR: /* Get line status register */ - ret = mp_get_lsr_info(state, (unsigned int *)arg); - break; - - default: { - struct sb_uart_port *port = state->port; - if (port->ops->ioctl) - ret = port->ops->ioctl(port, cmd, arg); - break; - } - } - - MP_STATE_UNLOCK(state); -out: - return ret; -} - -static void mp_set_termios(struct tty_struct *tty, struct MP_TERMIOS *old_termios) -{ - struct sb_uart_state *state = tty->driver_data; - unsigned long flags; - unsigned int cflag = tty->termios.c_cflag; - -#define RELEVANT_IFLAG(iflag) ((iflag) & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK)) - - if ((cflag ^ old_termios->c_cflag) == 0 && - RELEVANT_IFLAG(tty->termios.c_iflag ^ old_termios->c_iflag) == 0) - return; - - mp_change_speed(state, old_termios); - - if ((old_termios->c_cflag & CBAUD) && !(cflag & CBAUD)) - uart_clear_mctrl(state->port, TIOCM_RTS | TIOCM_DTR); - - if (!(old_termios->c_cflag & CBAUD) && (cflag & CBAUD)) { - unsigned int mask = TIOCM_DTR; - if (!(cflag & CRTSCTS) || - !test_bit(TTY_THROTTLED, &tty->flags)) - mask |= TIOCM_RTS; - uart_set_mctrl(state->port, mask); - } - - if ((old_termios->c_cflag & CRTSCTS) && !(cflag & CRTSCTS)) { - spin_lock_irqsave(&state->port->lock, flags); - tty->hw_stopped = 0; - __mp_start(tty); - spin_unlock_irqrestore(&state->port->lock, flags); - } - - if (!(old_termios->c_cflag & CRTSCTS) && (cflag & CRTSCTS)) { - spin_lock_irqsave(&state->port->lock, flags); - if (!(state->port->ops->get_mctrl(state->port) & TIOCM_CTS)) { - tty->hw_stopped = 1; - state->port->ops->stop_tx(state->port); - } - spin_unlock_irqrestore(&state->port->lock, flags); - } -} - -static void mp_close(struct tty_struct *tty, struct file *filp) -{ - struct sb_uart_state *state = tty->driver_data; - struct sb_uart_port *port; - - printk("mp_close!\n"); - if (!state || !state->port) - return; - - port = state->port; - - printk("close1 %d\n", __LINE__); - MP_STATE_LOCK(state); - - printk("close2 %d\n", __LINE__); - if (tty_hung_up_p(filp)) - goto done; - - printk("close3 %d\n", __LINE__); - if ((tty->count == 1) && (state->count != 1)) { - printk("mp_close: bad serial port count; tty->count is 1, " - "state->count is %d\n", state->count); - state->count = 1; - } - printk("close4 %d\n", __LINE__); - if (--state->count < 0) { - printk("rs_close: bad serial port count for ttyMP%d: %d\n", - port->line, state->count); - state->count = 0; - } - if (state->count) - goto done; - - tty->closing = 1; - - printk("close5 %d\n", __LINE__); - if (state->closing_wait != USF_CLOSING_WAIT_NONE) - tty_wait_until_sent(tty, state->closing_wait); - - printk("close6 %d\n", __LINE__); - if (state->info->flags & UIF_INITIALIZED) { - unsigned long flags; - spin_lock_irqsave(&port->lock, flags); - port->ops->stop_rx(port); - spin_unlock_irqrestore(&port->lock, flags); - mp_wait_until_sent(tty, port->timeout); - } - printk("close7 %d\n", __LINE__); - - mp_shutdown(state); - printk("close8 %d\n", __LINE__); - mp_flush_buffer(tty); - tty_ldisc_flush(tty); - tty->closing = 0; - state->info->tty = NULL; - if (state->info->blocked_open) - { - if (state->close_delay) - { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(state->close_delay); - } - } - else - { - mp_change_pm(state, 3); - } - printk("close8 %d\n", __LINE__); - - state->info->flags &= ~UIF_NORMAL_ACTIVE; - wake_up_interruptible(&state->info->open_wait); - -done: - printk("close done\n"); - MP_STATE_UNLOCK(state); - module_put(THIS_MODULE); -} - -static void mp_wait_until_sent(struct tty_struct *tty, int timeout) -{ - struct sb_uart_state *state = tty->driver_data; - struct sb_uart_port *port = state->port; - unsigned long char_time, expire; - - if (port->type == PORT_UNKNOWN || port->fifosize == 0) - return; - - char_time = (port->timeout - HZ/50) / port->fifosize; - char_time = char_time / 5; - if (char_time == 0) - char_time = 1; - if (timeout && timeout < char_time) - char_time = timeout; - - if (timeout == 0 || timeout > 2 * port->timeout) - timeout = 2 * port->timeout; - - expire = jiffies + timeout; - - while (!port->ops->tx_empty(port)) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(char_time); - if (signal_pending(current)) - break; - if (time_after(jiffies, expire)) - break; - } - set_current_state(TASK_RUNNING); /* might not be needed */ -} - -static void mp_hangup(struct tty_struct *tty) -{ - struct sb_uart_state *state = tty->driver_data; - - MP_STATE_LOCK(state); - if (state->info && state->info->flags & UIF_NORMAL_ACTIVE) { - mp_flush_buffer(tty); - mp_shutdown(state); - state->count = 0; - state->info->flags &= ~UIF_NORMAL_ACTIVE; - state->info->tty = NULL; - wake_up_interruptible(&state->info->open_wait); - wake_up_interruptible(&state->info->delta_msr_wait); - } - MP_STATE_UNLOCK(state); -} - -static void mp_update_termios(struct sb_uart_state *state) -{ - struct tty_struct *tty = state->info->tty; - struct sb_uart_port *port = state->port; - - if (!(tty->flags & (1 << TTY_IO_ERROR))) { - mp_change_speed(state, NULL); - - if (tty->termios.c_cflag & CBAUD) - uart_set_mctrl(port, TIOCM_DTR | TIOCM_RTS); - } -} - -static int mp_block_til_ready(struct file *filp, struct sb_uart_state *state) -{ - DECLARE_WAITQUEUE(wait, current); - struct sb_uart_info *info = state->info; - struct sb_uart_port *port = state->port; - unsigned int mctrl; - - info->blocked_open++; - state->count--; - - add_wait_queue(&info->open_wait, &wait); - while (1) { - set_current_state(TASK_INTERRUPTIBLE); - - if (tty_hung_up_p(filp) || info->tty == NULL) - break; - - if (!(info->flags & UIF_INITIALIZED)) - break; - - if ((filp->f_flags & O_NONBLOCK) || - (info->tty->termios.c_cflag & CLOCAL) || - (info->tty->flags & (1 << TTY_IO_ERROR))) { - break; - } - - if (info->tty->termios.c_cflag & CBAUD) - uart_set_mctrl(port, TIOCM_DTR); - - spin_lock_irq(&port->lock); - port->ops->enable_ms(port); - mctrl = port->ops->get_mctrl(port); - spin_unlock_irq(&port->lock); - if (mctrl & TIOCM_CAR) - break; - - MP_STATE_UNLOCK(state); - schedule(); - MP_STATE_LOCK(state); - - if (signal_pending(current)) - break; - } - set_current_state(TASK_RUNNING); - remove_wait_queue(&info->open_wait, &wait); - - state->count++; - info->blocked_open--; - - if (signal_pending(current)) - return -ERESTARTSYS; - - if (!info->tty || tty_hung_up_p(filp)) - return -EAGAIN; - - return 0; -} - -static struct sb_uart_state *uart_get(struct uart_driver *drv, int line) -{ - struct sb_uart_state *state; - - MP_MUTEX_LOCK(mp_mutex); - state = drv->state + line; - if (mutex_lock_interruptible(&state->mutex)) { - state = ERR_PTR(-ERESTARTSYS); - goto out; - } - state->count++; - if (!state->port) { - state->count--; - MP_STATE_UNLOCK(state); - state = ERR_PTR(-ENXIO); - goto out; - } - - if (!state->info) { - state->info = kmalloc(sizeof(struct sb_uart_info), GFP_KERNEL); - if (state->info) { - memset(state->info, 0, sizeof(struct sb_uart_info)); - init_waitqueue_head(&state->info->open_wait); - init_waitqueue_head(&state->info->delta_msr_wait); - - state->port->info = state->info; - - tasklet_init(&state->info->tlet, mp_tasklet_action, - (unsigned long)state); - } else { - state->count--; - MP_STATE_UNLOCK(state); - state = ERR_PTR(-ENOMEM); - } - } - -out: - MP_MUTEX_UNLOCK(mp_mutex); - return state; -} - -static int mp_open(struct tty_struct *tty, struct file *filp) -{ - struct uart_driver *drv = (struct uart_driver *)tty->driver->driver_state; - struct sb_uart_state *state; - int retval; - int line = tty->index; - struct mp_port *mtpt; - - retval = -ENODEV; - if (line >= tty->driver->num) - goto fail; - - state = uart_get(drv, line); - - if (IS_ERR(state)) { - retval = PTR_ERR(state); - goto fail; - } - - mtpt = (struct mp_port *)state->port; - - tty->driver_data = state; - tty->low_latency = (state->port->flags & UPF_LOW_LATENCY) ? 1 : 0; - tty->alt_speed = 0; - state->info->tty = tty; - - if (tty_hung_up_p(filp)) { - retval = -EAGAIN; - state->count--; - MP_STATE_UNLOCK(state); - goto fail; - } - - if (state->count == 1) - mp_change_pm(state, 0); - - retval = mp_startup(state, 0); - - if (retval == 0) - retval = mp_block_til_ready(filp, state); - MP_STATE_UNLOCK(state); - - if (retval == 0 && !(state->info->flags & UIF_NORMAL_ACTIVE)) { - state->info->flags |= UIF_NORMAL_ACTIVE; - - mp_update_termios(state); - } - - uart_clear_mctrl(state->port, TIOCM_RTS); - try_module_get(THIS_MODULE); -fail: - return retval; -} - - -static const char *mp_type(struct sb_uart_port *port) -{ - const char *str = NULL; - - if (port->ops->type) - str = port->ops->type(port); - - if (!str) - str = "unknown"; - - return str; -} - -static void mp_change_pm(struct sb_uart_state *state, int pm_state) -{ - struct sb_uart_port *port = state->port; - if (port->ops->pm) - port->ops->pm(port, pm_state, state->pm_state); - state->pm_state = pm_state; -} - -static inline void mp_report_port(struct uart_driver *drv, struct sb_uart_port *port) -{ - char address[64]; - - switch (port->iotype) { - case UPIO_PORT: - snprintf(address, sizeof(address),"I/O 0x%x", port->iobase); - break; - case UPIO_HUB6: - snprintf(address, sizeof(address),"I/O 0x%x offset 0x%x", port->iobase, port->hub6); - break; - case UPIO_MEM: - snprintf(address, sizeof(address),"MMIO 0x%lx", port->mapbase); - break; - default: - snprintf(address, sizeof(address),"*unknown*" ); - strlcpy(address, "*unknown*", sizeof(address)); - break; - } - - printk( "%s%d at %s (irq = %d) is a %s\n", - drv->dev_name, port->line, address, port->irq, mp_type(port)); - -} - -static void mp_configure_port(struct uart_driver *drv, struct sb_uart_state *state, struct sb_uart_port *port) -{ - unsigned int flags; - - - if (!port->iobase && !port->mapbase && !port->membase) - { - DPRINTK("%s error \n",__FUNCTION__); - return; - } - flags = UART_CONFIG_TYPE; - if (port->flags & UPF_AUTO_IRQ) - flags |= UART_CONFIG_IRQ; - if (port->flags & UPF_BOOT_AUTOCONF) { - port->type = PORT_UNKNOWN; - port->ops->config_port(port, flags); - } - - if (port->type != PORT_UNKNOWN) { - unsigned long flags; - - mp_report_port(drv, port); - - spin_lock_irqsave(&port->lock, flags); - port->ops->set_mctrl(port, 0); - spin_unlock_irqrestore(&port->lock, flags); - - mp_change_pm(state, 3); - } -} - -static void mp_unconfigure_port(struct uart_driver *drv, struct sb_uart_state *state) -{ - struct sb_uart_port *port = state->port; - struct sb_uart_info *info = state->info; - - if (info && info->tty) - tty_hangup(info->tty); - - MP_STATE_LOCK(state); - - state->info = NULL; - - if (port->type != PORT_UNKNOWN) - port->ops->release_port(port); - - port->type = PORT_UNKNOWN; - - if (info) { - tasklet_kill(&info->tlet); - kfree(info); - } - - MP_STATE_UNLOCK(state); -} -static struct tty_operations mp_ops = { - .open = mp_open, - .close = mp_close, - .write = mp_write, - .put_char = mp_put_char, - .flush_chars = mp_put_chars, - .write_room = mp_write_room, - .chars_in_buffer= mp_chars_in_buffer, - .flush_buffer = mp_flush_buffer, - .ioctl = mp_ioctl, - .throttle = mp_throttle, - .unthrottle = mp_unthrottle, - .send_xchar = mp_send_xchar, - .set_termios = mp_set_termios, - .stop = mp_stop, - .start = mp_start, - .hangup = mp_hangup, - .break_ctl = mp_break_ctl, - .wait_until_sent= mp_wait_until_sent, -#ifdef CONFIG_PROC_FS - .proc_fops = NULL, -#endif - .tiocmget = mp_tiocmget, - .tiocmset = mp_tiocmset, -}; - -static int mp_register_driver(struct uart_driver *drv) -{ - struct tty_driver *normal = NULL; - int i, retval; - - drv->state = kmalloc(sizeof(struct sb_uart_state) * drv->nr, GFP_KERNEL); - retval = -ENOMEM; - if (!drv->state) - { - printk("SB PCI Error: Kernel memory allocation error!\n"); - goto out; - } - memset(drv->state, 0, sizeof(struct sb_uart_state) * drv->nr); - - normal = alloc_tty_driver(drv->nr); - if (!normal) - { - printk("SB PCI Error: tty allocation error!\n"); - goto out; - } - - drv->tty_driver = normal; - - normal->owner = drv->owner; - normal->magic = TTY_DRIVER_MAGIC; - normal->driver_name = drv->driver_name; - normal->name = drv->dev_name; - normal->major = drv->major; - normal->minor_start = drv->minor; - - normal->num = MAX_MP_PORT ; - - normal->type = TTY_DRIVER_TYPE_SERIAL; - normal->subtype = SERIAL_TYPE_NORMAL; - normal->init_termios = tty_std_termios; - normal->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; - normal->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; - normal->driver_state = drv; - - tty_set_operations(normal, &mp_ops); - -for (i = 0; i < drv->nr; i++) { - struct sb_uart_state *state = drv->state + i; - - state->close_delay = 500; - state->closing_wait = 30000; - - mutex_init(&state->mutex); - } - - retval = tty_register_driver(normal); -out: - if (retval < 0) { - printk("Register tty driver Fail!\n"); - put_tty_driver(normal); - kfree(drv->state); - } - - return retval; -} - -void mp_unregister_driver(struct uart_driver *drv) -{ - struct tty_driver *normal = NULL; - - normal = drv->tty_driver; - - if (!normal) - { - return; - } - - tty_unregister_driver(normal); - put_tty_driver(normal); - drv->tty_driver = NULL; - - - kfree(drv->state); - -} - -static int mp_add_one_port(struct uart_driver *drv, struct sb_uart_port *port) -{ - struct sb_uart_state *state; - int ret = 0; - - - if (port->line >= drv->nr) - return -EINVAL; - - state = drv->state + port->line; - - MP_MUTEX_LOCK(mp_mutex); - if (state->port) { - ret = -EINVAL; - goto out; - } - - state->port = port; - - spin_lock_init(&port->lock); - port->cons = drv->cons; - port->info = state->info; - - mp_configure_port(drv, state, port); - - tty_register_device(drv->tty_driver, port->line, port->dev); - -out: - MP_MUTEX_UNLOCK(mp_mutex); - - - return ret; -} - -static int mp_remove_one_port(struct uart_driver *drv, struct sb_uart_port *port) -{ - struct sb_uart_state *state = drv->state + port->line; - - if (state->port != port) - printk(KERN_ALERT "Removing wrong port: %p != %p\n", - state->port, port); - - MP_MUTEX_LOCK(mp_mutex); - - tty_unregister_device(drv->tty_driver, port->line); - - mp_unconfigure_port(drv, state); - state->port = NULL; - MP_MUTEX_UNLOCK(mp_mutex); - - return 0; -} - -static void autoconfig(struct mp_port *mtpt, unsigned int probeflags) -{ - unsigned char status1, scratch, scratch2, scratch3; - unsigned char save_lcr, save_mcr; - unsigned long flags; - - unsigned char u_type; - unsigned char b_ret = 0; - - if (!mtpt->port.iobase && !mtpt->port.mapbase && !mtpt->port.membase) - return; - - DEBUG_AUTOCONF("ttyMP%d: autoconf (0x%04x, 0x%p): ", - mtpt->port.line, mtpt->port.iobase, mtpt->port.membase); - - spin_lock_irqsave(&mtpt->port.lock, flags); - - if (!(mtpt->port.flags & UPF_BUGGY_UART)) { - scratch = serial_inp(mtpt, UART_IER); - serial_outp(mtpt, UART_IER, 0); -#ifdef __i386__ - outb(0xff, 0x080); -#endif - scratch2 = serial_inp(mtpt, UART_IER) & 0x0f; - serial_outp(mtpt, UART_IER, 0x0F); -#ifdef __i386__ - outb(0, 0x080); -#endif - scratch3 = serial_inp(mtpt, UART_IER) & 0x0F; - serial_outp(mtpt, UART_IER, scratch); - if (scratch2 != 0 || scratch3 != 0x0F) { - DEBUG_AUTOCONF("IER test failed (%02x, %02x) ", - scratch2, scratch3); - goto out; - } - } - - save_mcr = serial_in(mtpt, UART_MCR); - save_lcr = serial_in(mtpt, UART_LCR); - - if (!(mtpt->port.flags & UPF_SKIP_TEST)) { - serial_outp(mtpt, UART_MCR, UART_MCR_LOOP | 0x0A); - status1 = serial_inp(mtpt, UART_MSR) & 0xF0; - serial_outp(mtpt, UART_MCR, save_mcr); - if (status1 != 0x90) { - DEBUG_AUTOCONF("LOOP test failed (%02x) ", - status1); - goto out; - } - } - - serial_outp(mtpt, UART_LCR, 0xBF); - serial_outp(mtpt, UART_EFR, 0); - serial_outp(mtpt, UART_LCR, 0); - - serial_outp(mtpt, UART_FCR, UART_FCR_ENABLE_FIFO); - scratch = serial_in(mtpt, UART_IIR) >> 6; - - DEBUG_AUTOCONF("iir=%d ", scratch); - if(mtpt->device->nr_ports >= 8) - b_ret = read_option_register(mtpt,(MP_OPTR_DIR0 + ((mtpt->port.line)/8))); - else - b_ret = read_option_register(mtpt,MP_OPTR_DIR0); - u_type = (b_ret & 0xf0) >> 4; - if(mtpt->port.type == PORT_UNKNOWN ) - { - switch (u_type) - { - case DIR_UART_16C550: - mtpt->port.type = PORT_16C55X; - break; - case DIR_UART_16C1050: - mtpt->port.type = PORT_16C105X; - break; - case DIR_UART_16C1050A: - if (mtpt->port.line < 2) - { - mtpt->port.type = PORT_16C105XA; - } - else - { - if (mtpt->device->device_id & 0x50) - { - mtpt->port.type = PORT_16C55X; - } - else - { - mtpt->port.type = PORT_16C105X; - } - } - break; - default: - mtpt->port.type = PORT_UNKNOWN; - break; - } - } - - if(mtpt->port.type == PORT_UNKNOWN ) - { -printk("unknow2\n"); - switch (scratch) { - case 0: - case 1: - mtpt->port.type = PORT_UNKNOWN; - break; - case 2: - case 3: - mtpt->port.type = PORT_16C55X; - break; - } - } - - serial_outp(mtpt, UART_LCR, save_lcr); - - mtpt->port.fifosize = uart_config[mtpt->port.type].dfl_xmit_fifo_size; - mtpt->capabilities = uart_config[mtpt->port.type].flags; - - if (mtpt->port.type == PORT_UNKNOWN) - goto out; - serial_outp(mtpt, UART_MCR, save_mcr); - serial_outp(mtpt, UART_FCR, (UART_FCR_ENABLE_FIFO | - UART_FCR_CLEAR_RCVR | - UART_FCR_CLEAR_XMIT)); - serial_outp(mtpt, UART_FCR, 0); - (void)serial_in(mtpt, UART_RX); - serial_outp(mtpt, UART_IER, 0); - -out: - spin_unlock_irqrestore(&mtpt->port.lock, flags); - DEBUG_AUTOCONF("type=%s\n", uart_config[mtpt->port.type].name); -} - -static void autoconfig_irq(struct mp_port *mtpt) -{ - unsigned char save_mcr, save_ier; - unsigned long irqs; - int irq; - - /* forget possible initially masked and pending IRQ */ - probe_irq_off(probe_irq_on()); - save_mcr = serial_inp(mtpt, UART_MCR); - save_ier = serial_inp(mtpt, UART_IER); - serial_outp(mtpt, UART_MCR, UART_MCR_OUT1 | UART_MCR_OUT2); - - irqs = probe_irq_on(); - serial_outp(mtpt, UART_MCR, 0); - serial_outp(mtpt, UART_MCR, - UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2); - - serial_outp(mtpt, UART_IER, 0x0f); /* enable all intrs */ - (void)serial_inp(mtpt, UART_LSR); - (void)serial_inp(mtpt, UART_RX); - (void)serial_inp(mtpt, UART_IIR); - (void)serial_inp(mtpt, UART_MSR); - serial_outp(mtpt, UART_TX, 0xFF); - irq = probe_irq_off(irqs); - - serial_outp(mtpt, UART_MCR, save_mcr); - serial_outp(mtpt, UART_IER, save_ier); - - mtpt->port.irq = (irq > 0) ? irq : 0; -} - -static void multi_stop_tx(struct sb_uart_port *port) -{ - struct mp_port *mtpt = (struct mp_port *)port; - - if (mtpt->ier & UART_IER_THRI) { - mtpt->ier &= ~UART_IER_THRI; - serial_out(mtpt, UART_IER, mtpt->ier); - } - - tasklet_schedule(&port->info->tlet); -} - -static void multi_start_tx(struct sb_uart_port *port) -{ - struct mp_port *mtpt = (struct mp_port *)port; - - if (!(mtpt->ier & UART_IER_THRI)) { - mtpt->ier |= UART_IER_THRI; - serial_out(mtpt, UART_IER, mtpt->ier); - } -} - -static void multi_stop_rx(struct sb_uart_port *port) -{ - struct mp_port *mtpt = (struct mp_port *)port; - - mtpt->ier &= ~UART_IER_RLSI; - mtpt->port.read_status_mask &= ~UART_LSR_DR; - serial_out(mtpt, UART_IER, mtpt->ier); -} - -static void multi_enable_ms(struct sb_uart_port *port) -{ - struct mp_port *mtpt = (struct mp_port *)port; - - mtpt->ier |= UART_IER_MSI; - serial_out(mtpt, UART_IER, mtpt->ier); -} - - -static _INLINE_ void receive_chars(struct mp_port *mtpt, int *status ) -{ - struct tty_struct *tty = mtpt->port.info->tty; - unsigned char lsr = *status; - int max_count = 256; - unsigned char ch; - char flag; - - //lsr &= mtpt->port.read_status_mask; - - do { - if ((lsr & UART_LSR_PE) && (mtpt->port.mdmode & MDMODE_ENABLE)) - { - ch = serial_inp(mtpt, UART_RX); - } - else if (lsr & UART_LSR_SPECIAL) - { - flag = 0; - ch = serial_inp(mtpt, UART_RX); - - if (lsr & UART_LSR_BI) - { - - mtpt->port.icount.brk++; - flag = TTY_BREAK; - - if (sb_uart_handle_break(&mtpt->port)) - goto ignore_char; - } - if (lsr & UART_LSR_PE) - { - mtpt->port.icount.parity++; - flag = TTY_PARITY; - } - if (lsr & UART_LSR_FE) - { - mtpt->port.icount.frame++; - flag = TTY_FRAME; - } - if (lsr & UART_LSR_OE) - { - mtpt->port.icount.overrun++; - flag = TTY_OVERRUN; - } - tty_insert_flip_char(tty, ch, flag); - } - else - { - ch = serial_inp(mtpt, UART_RX); - tty_insert_flip_char(tty, ch, 0); - } -ignore_char: - lsr = serial_inp(mtpt, UART_LSR); - } while ((lsr & UART_LSR_DR) && (max_count-- > 0)); - - tty_flip_buffer_push(tty); -} - - - - -static _INLINE_ void transmit_chars(struct mp_port *mtpt) -{ - struct circ_buf *xmit = &mtpt->port.info->xmit; - int count; - - if (mtpt->port.x_char) { - serial_outp(mtpt, UART_TX, mtpt->port.x_char); - mtpt->port.icount.tx++; - mtpt->port.x_char = 0; - return; - } - if (uart_circ_empty(xmit) || uart_tx_stopped(&mtpt->port)) { - multi_stop_tx(&mtpt->port); - return; - } - - count = uart_circ_chars_pending(xmit); - - if(count > mtpt->port.fifosize) - { - count = mtpt->port.fifosize; - } - - printk("[%d] mdmode: %x\n", mtpt->port.line, mtpt->port.mdmode); - do { -#if 0 - /* check multi-drop mode */ - if ((mtpt->port.mdmode & (MDMODE_ENABLE | MDMODE_ADDR)) == (MDMODE_ENABLE | MDMODE_ADDR)) - { - printk("send address\n"); - /* send multi-drop address */ - serial_out(mtpt, UART_SCR, xmit->buf[xmit->tail]); - } - else -#endif - { - serial_out(mtpt, UART_TX, xmit->buf[xmit->tail]); - } - xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - mtpt->port.icount.tx++; - } while (--count > 0); -} - - - -static _INLINE_ void check_modem_status(struct mp_port *mtpt) -{ - int status; - - status = serial_in(mtpt, UART_MSR); - - if ((status & UART_MSR_ANY_DELTA) == 0) - return; - - if (status & UART_MSR_TERI) - mtpt->port.icount.rng++; - if (status & UART_MSR_DDSR) - mtpt->port.icount.dsr++; - if (status & UART_MSR_DDCD) - sb_uart_handle_dcd_change(&mtpt->port, status & UART_MSR_DCD); - if (status & UART_MSR_DCTS) - sb_uart_handle_cts_change(&mtpt->port, status & UART_MSR_CTS); - - wake_up_interruptible(&mtpt->port.info->delta_msr_wait); -} - -static inline void multi_handle_port(struct mp_port *mtpt) -{ - unsigned int status = serial_inp(mtpt, UART_LSR); - - //printk("lsr: %x\n", status); - - if ((status & UART_LSR_DR) || (status & UART_LSR_SPECIAL)) - receive_chars(mtpt, &status); - check_modem_status(mtpt); - if (status & UART_LSR_THRE) - { - if ((mtpt->port.type == PORT_16C105X) - || (mtpt->port.type == PORT_16C105XA)) - transmit_chars(mtpt); - else - { - if (mtpt->interface >= RS485NE) - uart_set_mctrl(&mtpt->port, TIOCM_RTS); - - transmit_chars(mtpt); - - - if (mtpt->interface >= RS485NE) - { - while((status=serial_in(mtpt,UART_LSR) &0x60)!=0x60); - uart_clear_mctrl(&mtpt->port, TIOCM_RTS); - } - } - } -} - - - -static irqreturn_t multi_interrupt(int irq, void *dev_id) -{ - struct irq_info *iinfo = dev_id; - struct list_head *lhead, *end = NULL; - int pass_counter = 0; - - - spin_lock(&iinfo->lock); - - lhead = iinfo->head; - do { - struct mp_port *mtpt; - unsigned int iir; - - mtpt = list_entry(lhead, struct mp_port, list); - - iir = serial_in(mtpt, UART_IIR); - printk("interrupt! port %d, iir 0x%x\n", mtpt->port.line, iir); //wlee - if (!(iir & UART_IIR_NO_INT)) - { - printk("interrupt handle\n"); - spin_lock(&mtpt->port.lock); - multi_handle_port(mtpt); - spin_unlock(&mtpt->port.lock); - - end = NULL; - } else if (end == NULL) - end = lhead; - - lhead = lhead->next; - if (lhead == iinfo->head && pass_counter++ > PASS_LIMIT) - { - printk(KERN_ERR "multi: too much work for " - "irq%d\n", irq); - printk( "multi: too much work for " - "irq%d\n", irq); - break; - } - } while (lhead != end); - - spin_unlock(&iinfo->lock); - - - return IRQ_HANDLED; -} - -static void serial_do_unlink(struct irq_info *i, struct mp_port *mtpt) -{ - spin_lock_irq(&i->lock); - - if (!list_empty(i->head)) { - if (i->head == &mtpt->list) - i->head = i->head->next; - list_del(&mtpt->list); - } else { - i->head = NULL; - } - - spin_unlock_irq(&i->lock); -} - -static int serial_link_irq_chain(struct mp_port *mtpt) -{ - struct irq_info *i = irq_lists + mtpt->port.irq; - int ret, irq_flags = mtpt->port.flags & UPF_SHARE_IRQ ? IRQF_SHARED : 0; - spin_lock_irq(&i->lock); - - if (i->head) { - list_add(&mtpt->list, i->head); - spin_unlock_irq(&i->lock); - - ret = 0; - } else { - INIT_LIST_HEAD(&mtpt->list); - i->head = &mtpt->list; - spin_unlock_irq(&i->lock); - - ret = request_irq(mtpt->port.irq, multi_interrupt, - irq_flags, "serial", i); - if (ret < 0) - serial_do_unlink(i, mtpt); - } - - return ret; -} - - - - -static void serial_unlink_irq_chain(struct mp_port *mtpt) -{ - struct irq_info *i = irq_lists + mtpt->port.irq; - - if (list_empty(i->head)) - { - free_irq(mtpt->port.irq, i); - } - serial_do_unlink(i, mtpt); -} - -static void multi_timeout(unsigned long data) -{ - struct mp_port *mtpt = (struct mp_port *)data; - - - spin_lock(&mtpt->port.lock); - multi_handle_port(mtpt); - spin_unlock(&mtpt->port.lock); - - mod_timer(&mtpt->timer, jiffies+1 ); -} - -static unsigned int multi_tx_empty(struct sb_uart_port *port) -{ - struct mp_port *mtpt = (struct mp_port *)port; - unsigned long flags; - unsigned int ret; - - spin_lock_irqsave(&mtpt->port.lock, flags); - ret = serial_in(mtpt, UART_LSR) & UART_LSR_TEMT ? TIOCSER_TEMT : 0; - spin_unlock_irqrestore(&mtpt->port.lock, flags); - - return ret; -} - - -static unsigned int multi_get_mctrl(struct sb_uart_port *port) -{ - struct mp_port *mtpt = (struct mp_port *)port; - unsigned char status; - unsigned int ret; - - status = serial_in(mtpt, UART_MSR); - - ret = 0; - if (status & UART_MSR_DCD) - ret |= TIOCM_CAR; - if (status & UART_MSR_RI) - ret |= TIOCM_RNG; - if (status & UART_MSR_DSR) - ret |= TIOCM_DSR; - if (status & UART_MSR_CTS) - ret |= TIOCM_CTS; - return ret; -} - -static void multi_set_mctrl(struct sb_uart_port *port, unsigned int mctrl) -{ - struct mp_port *mtpt = (struct mp_port *)port; - unsigned char mcr = 0; - - mctrl &= 0xff; - - if (mctrl & TIOCM_RTS) - mcr |= UART_MCR_RTS; - if (mctrl & TIOCM_DTR) - mcr |= UART_MCR_DTR; - if (mctrl & TIOCM_OUT1) - mcr |= UART_MCR_OUT1; - if (mctrl & TIOCM_OUT2) - mcr |= UART_MCR_OUT2; - if (mctrl & TIOCM_LOOP) - mcr |= UART_MCR_LOOP; - - - serial_out(mtpt, UART_MCR, mcr); -} - - -static void multi_break_ctl(struct sb_uart_port *port, int break_state) -{ - struct mp_port *mtpt = (struct mp_port *)port; - unsigned long flags; - - spin_lock_irqsave(&mtpt->port.lock, flags); - if (break_state == -1) - mtpt->lcr |= UART_LCR_SBC; - else - mtpt->lcr &= ~UART_LCR_SBC; - serial_out(mtpt, UART_LCR, mtpt->lcr); - spin_unlock_irqrestore(&mtpt->port.lock, flags); -} - - - -static int multi_startup(struct sb_uart_port *port) -{ - struct mp_port *mtpt = (struct mp_port *)port; - unsigned long flags; - int retval; - - mtpt->capabilities = uart_config[mtpt->port.type].flags; - mtpt->mcr = 0; - - if (mtpt->capabilities & UART_CLEAR_FIFO) { - serial_outp(mtpt, UART_FCR, UART_FCR_ENABLE_FIFO); - serial_outp(mtpt, UART_FCR, UART_FCR_ENABLE_FIFO | - UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT); - serial_outp(mtpt, UART_FCR, 0); - } - - (void) serial_inp(mtpt, UART_LSR); - (void) serial_inp(mtpt, UART_RX); - (void) serial_inp(mtpt, UART_IIR); - (void) serial_inp(mtpt, UART_MSR); - //test-wlee 9-bit disable - serial_outp(mtpt, UART_MSR, 0); - - - if (!(mtpt->port.flags & UPF_BUGGY_UART) && - (serial_inp(mtpt, UART_LSR) == 0xff)) { - printk("ttyS%d: LSR safety check engaged!\n", mtpt->port.line); - //return -ENODEV; - } - - if ((!is_real_interrupt(mtpt->port.irq)) || (mtpt->poll_type==TYPE_POLL)) { - unsigned int timeout = mtpt->port.timeout; - - timeout = timeout > 6 ? (timeout / 2 - 2) : 1; - - mtpt->timer.data = (unsigned long)mtpt; - mod_timer(&mtpt->timer, jiffies + timeout); - } - else - { - retval = serial_link_irq_chain(mtpt); - if (retval) - return retval; - } - - serial_outp(mtpt, UART_LCR, UART_LCR_WLEN8); - - spin_lock_irqsave(&mtpt->port.lock, flags); - if ((is_real_interrupt(mtpt->port.irq))||(mtpt->poll_type==TYPE_INTERRUPT)) - mtpt->port.mctrl |= TIOCM_OUT2; - - multi_set_mctrl(&mtpt->port, mtpt->port.mctrl); - spin_unlock_irqrestore(&mtpt->port.lock, flags); - - - mtpt->ier = UART_IER_RLSI | UART_IER_RDI; - serial_outp(mtpt, UART_IER, mtpt->ier); - - (void) serial_inp(mtpt, UART_LSR); - (void) serial_inp(mtpt, UART_RX); - (void) serial_inp(mtpt, UART_IIR); - (void) serial_inp(mtpt, UART_MSR); - - return 0; -} - - - -static void multi_shutdown(struct sb_uart_port *port) -{ - struct mp_port *mtpt = (struct mp_port *)port; - unsigned long flags; - - - mtpt->ier = 0; - serial_outp(mtpt, UART_IER, 0); - - spin_lock_irqsave(&mtpt->port.lock, flags); - mtpt->port.mctrl &= ~TIOCM_OUT2; - - multi_set_mctrl(&mtpt->port, mtpt->port.mctrl); - spin_unlock_irqrestore(&mtpt->port.lock, flags); - - serial_out(mtpt, UART_LCR, serial_inp(mtpt, UART_LCR) & ~UART_LCR_SBC); - serial_outp(mtpt, UART_FCR, UART_FCR_ENABLE_FIFO | - UART_FCR_CLEAR_RCVR | - UART_FCR_CLEAR_XMIT); - serial_outp(mtpt, UART_FCR, 0); - - - (void) serial_in(mtpt, UART_RX); - - if ((!is_real_interrupt(mtpt->port.irq))||(mtpt->poll_type==TYPE_POLL)) - { - del_timer_sync(&mtpt->timer); - } - else - { - serial_unlink_irq_chain(mtpt); - } -} - - - -static unsigned int multi_get_divisor(struct sb_uart_port *port, unsigned int baud) -{ - unsigned int quot; - - if ((port->flags & UPF_MAGIC_MULTIPLIER) && - baud == (port->uartclk/4)) - quot = 0x8001; - else if ((port->flags & UPF_MAGIC_MULTIPLIER) && - baud == (port->uartclk/8)) - quot = 0x8002; - else - quot = sb_uart_get_divisor(port, baud); - - return quot; -} - - - - -static void multi_set_termios(struct sb_uart_port *port, struct MP_TERMIOS *termios, struct MP_TERMIOS *old) -{ - struct mp_port *mtpt = (struct mp_port *)port; - unsigned char cval, fcr = 0; - unsigned long flags; - unsigned int baud, quot; - - switch (termios->c_cflag & CSIZE) { - case CS5: - cval = 0x00; - break; - case CS6: - cval = 0x01; - break; - case CS7: - cval = 0x02; - break; - default: - case CS8: - cval = 0x03; - break; - } - - if (termios->c_cflag & CSTOPB) - cval |= 0x04; - if (termios->c_cflag & PARENB) - cval |= UART_LCR_PARITY; - if (!(termios->c_cflag & PARODD)) - cval |= UART_LCR_EPAR; - -#ifdef CMSPAR - if (termios->c_cflag & CMSPAR) - cval |= UART_LCR_SPAR; -#endif - - baud = sb_uart_get_baud_rate(port, termios, old, 0, port->uartclk/16); - quot = multi_get_divisor(port, baud); - - if (mtpt->capabilities & UART_USE_FIFO) { - //if (baud < 2400) - // fcr = UART_FCR_ENABLE_FIFO | UART_FCR_TRIGGER_1; - //else - // fcr = UART_FCR_ENABLE_FIFO | UART_FCR_TRIGGER_8; - - // fcr = UART_FCR_ENABLE_FIFO | 0x90; - fcr = fcr_arr[mtpt->port.line]; - } - - spin_lock_irqsave(&mtpt->port.lock, flags); - - sb_uart_update_timeout(port, termios->c_cflag, baud); - - mtpt->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; - if (termios->c_iflag & INPCK) - mtpt->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) - mtpt->port.read_status_mask |= UART_LSR_BI; - - mtpt->port.ignore_status_mask = 0; - if (termios->c_iflag & IGNPAR) - mtpt->port.ignore_status_mask |= UART_LSR_PE | UART_LSR_FE; - if (termios->c_iflag & IGNBRK) { - mtpt->port.ignore_status_mask |= UART_LSR_BI; - if (termios->c_iflag & IGNPAR) - mtpt->port.ignore_status_mask |= UART_LSR_OE; - } - - if ((termios->c_cflag & CREAD) == 0) - mtpt->port.ignore_status_mask |= UART_LSR_DR; - - mtpt->ier &= ~UART_IER_MSI; - if (UART_ENABLE_MS(&mtpt->port, termios->c_cflag)) - mtpt->ier |= UART_IER_MSI; - - serial_out(mtpt, UART_IER, mtpt->ier); - - if (mtpt->capabilities & UART_STARTECH) { - serial_outp(mtpt, UART_LCR, 0xBF); - serial_outp(mtpt, UART_EFR, - termios->c_cflag & CRTSCTS ? UART_EFR_CTS :0); - } - - serial_outp(mtpt, UART_LCR, cval | UART_LCR_DLAB);/* set DLAB */ - - serial_outp(mtpt, UART_DLL, quot & 0xff); /* LS of divisor */ - serial_outp(mtpt, UART_DLM, quot >> 8); /* MS of divisor */ - - serial_outp(mtpt, UART_LCR, cval); /* reset DLAB */ - mtpt->lcr = cval; /* Save LCR */ - - if (fcr & UART_FCR_ENABLE_FIFO) { - /* emulated UARTs (Lucent Venus 167x) need two steps */ - serial_outp(mtpt, UART_FCR, UART_FCR_ENABLE_FIFO); - } - - serial_outp(mtpt, UART_FCR, fcr); /* set fcr */ - - - if ((mtpt->port.type == PORT_16C105X) - || (mtpt->port.type == PORT_16C105XA)) - { - if(deep[mtpt->port.line]!=0) - set_deep_fifo(port, ENABLE); - - if (mtpt->interface != RS232) - set_auto_rts(port,mtpt->interface); - - } - else - { - if (mtpt->interface >= RS485NE) - { - uart_clear_mctrl(&mtpt->port, TIOCM_RTS); - } - } - - if(mtpt->device->device_id == PCI_DEVICE_ID_MP4M) - { - SendATCommand(mtpt); - printk("SendATCommand\n"); - } - multi_set_mctrl(&mtpt->port, mtpt->port.mctrl); - spin_unlock_irqrestore(&mtpt->port.lock, flags); -} - -static void multi_pm(struct sb_uart_port *port, unsigned int state, unsigned int oldstate) -{ - struct mp_port *mtpt = (struct mp_port *)port; - if (state) { - if (mtpt->capabilities & UART_STARTECH) { - serial_outp(mtpt, UART_LCR, 0xBF); - serial_outp(mtpt, UART_EFR, UART_EFR_ECB); - serial_outp(mtpt, UART_LCR, 0); - serial_outp(mtpt, UART_IER, UART_IERX_SLEEP); - serial_outp(mtpt, UART_LCR, 0xBF); - serial_outp(mtpt, UART_EFR, 0); - serial_outp(mtpt, UART_LCR, 0); - } - - if (mtpt->pm) - mtpt->pm(port, state, oldstate); - } - else - { - if (mtpt->capabilities & UART_STARTECH) { - serial_outp(mtpt, UART_LCR, 0xBF); - serial_outp(mtpt, UART_EFR, UART_EFR_ECB); - serial_outp(mtpt, UART_LCR, 0); - serial_outp(mtpt, UART_IER, 0); - serial_outp(mtpt, UART_LCR, 0xBF); - serial_outp(mtpt, UART_EFR, 0); - serial_outp(mtpt, UART_LCR, 0); - } - - if (mtpt->pm) - mtpt->pm(port, state, oldstate); - } -} - -static void multi_release_std_resource(struct mp_port *mtpt) -{ - unsigned int size = 8 << mtpt->port.regshift; - - switch (mtpt->port.iotype) { - case UPIO_MEM: - if (!mtpt->port.mapbase) - break; - - if (mtpt->port.flags & UPF_IOREMAP) { - iounmap(mtpt->port.membase); - mtpt->port.membase = NULL; - } - - release_mem_region(mtpt->port.mapbase, size); - break; - - case UPIO_HUB6: - case UPIO_PORT: - release_region(mtpt->port.iobase,size); - break; - } -} - -static void multi_release_port(struct sb_uart_port *port) -{ -} - -static int multi_request_port(struct sb_uart_port *port) -{ - return 0; -} - -static void multi_config_port(struct sb_uart_port *port, int flags) -{ - struct mp_port *mtpt = (struct mp_port *)port; - int probeflags = PROBE_ANY; - - if (flags & UART_CONFIG_TYPE) - autoconfig(mtpt, probeflags); - if (mtpt->port.type != PORT_UNKNOWN && flags & UART_CONFIG_IRQ) - autoconfig_irq(mtpt); - - if (mtpt->port.type == PORT_UNKNOWN) - multi_release_std_resource(mtpt); -} - -static int multi_verify_port(struct sb_uart_port *port, struct serial_struct *ser) -{ - if (ser->irq >= NR_IRQS || ser->irq < 0 || - ser->baud_base < 9600 || ser->type < PORT_UNKNOWN || - ser->type == PORT_STARTECH) - return -EINVAL; - return 0; -} - -static const char *multi_type(struct sb_uart_port *port) -{ - int type = port->type; - - if (type >= ARRAY_SIZE(uart_config)) - type = 0; - return uart_config[type].name; -} - -static struct sb_uart_ops multi_pops = { - .tx_empty = multi_tx_empty, - .set_mctrl = multi_set_mctrl, - .get_mctrl = multi_get_mctrl, - .stop_tx = multi_stop_tx, - .start_tx = multi_start_tx, - .stop_rx = multi_stop_rx, - .enable_ms = multi_enable_ms, - .break_ctl = multi_break_ctl, - .startup = multi_startup, - .shutdown = multi_shutdown, - .set_termios = multi_set_termios, - .pm = multi_pm, - .type = multi_type, - .release_port = multi_release_port, - .request_port = multi_request_port, - .config_port = multi_config_port, - .verify_port = multi_verify_port, -}; - -static struct uart_driver multi_reg = { - .owner = THIS_MODULE, - .driver_name = "goldel_tulip", - .dev_name = "ttyMP", - .major = SB_TTY_MP_MAJOR, - .minor = 0, - .nr = MAX_MP_PORT, - .cons = NULL, -}; - -static void __init multi_init_ports(void) -{ - struct mp_port *mtpt; - static int first = 1; - int i,j,k; - unsigned char osc; - unsigned char b_ret = 0; - static struct mp_device_t *sbdev; - - if (!first) - return; - first = 0; - - mtpt = multi_ports; - - for (k=0;k<NR_BOARD;k++) - { - sbdev = &mp_devs[k]; - - for (i = 0; i < sbdev->nr_ports; i++, mtpt++) - { - mtpt->device = sbdev; - mtpt->port.iobase = sbdev->uart_access_addr + 8*i; - mtpt->port.irq = sbdev->irq; - if ( ((sbdev->device_id == PCI_DEVICE_ID_MP4)&&(sbdev->revision==0x91))) - mtpt->interface_config_addr = sbdev->option_reg_addr + 0x08 + i; - else if (sbdev->revision == 0xc0) - mtpt->interface_config_addr = sbdev->option_reg_addr + 0x08 + (i & 0x1); - else - mtpt->interface_config_addr = sbdev->option_reg_addr + 0x08 + i/8; - - mtpt->option_base_addr = sbdev->option_reg_addr; - - mtpt->poll_type = sbdev->poll_type; - - mtpt->port.uartclk = BASE_BAUD * 16; - - /* get input clock information */ - osc = inb(sbdev->option_reg_addr + MP_OPTR_DIR0 + i/8) & 0x0F; - if (osc==0x0f) - osc = 0; - for(j=0;j<osc;j++) - mtpt->port.uartclk *= 2; - mtpt->port.flags |= STD_COM_FLAGS | UPF_SHARE_IRQ ; - mtpt->port.iotype = UPIO_PORT; - mtpt->port.ops = &multi_pops; - - if (sbdev->revision == 0xc0) - { - /* for SB16C1053APCI */ - b_ret = sb1053a_get_interface(mtpt, i); - } - else - { - b_ret = read_option_register(mtpt,(MP_OPTR_IIR0 + i/8)); - printk("IIR_RET = %x\n",b_ret); - } - - /* default to RS232 */ - mtpt->interface = RS232; - if (IIR_RS422 == (b_ret & IIR_TYPE_MASK)) - mtpt->interface = RS422PTP; - if (IIR_RS485 == (b_ret & IIR_TYPE_MASK)) - mtpt->interface = RS485NE; - } - } -} - -static void __init multi_register_ports(struct uart_driver *drv) -{ - int i; - - multi_init_ports(); - - for (i = 0; i < NR_PORTS; i++) { - struct mp_port *mtpt = &multi_ports[i]; - - mtpt->port.line = i; - mtpt->port.ops = &multi_pops; - init_timer(&mtpt->timer); - mtpt->timer.function = multi_timeout; - mp_add_one_port(drv, &mtpt->port); - } -} - -/** - * pci_remap_base - remap BAR value of pci device - * - * PARAMETERS - * pcidev - pci_dev structure address - * offset - BAR offset PCI_BASE_ADDRESS_0 ~ PCI_BASE_ADDRESS_4 - * address - address to be changed BAR value - * size - size of address space - * - * RETURNS - * If this function performs successful, it returns 0. Otherwise, It returns -1. - */ -static int pci_remap_base(struct pci_dev *pcidev, unsigned int offset, - unsigned int address, unsigned int size) -{ -#if 0 - struct resource *root; - unsigned index = (offset - 0x10) >> 2; -#endif - - pci_write_config_dword(pcidev, offset, address); -#if 0 - root = pcidev->resource[index].parent; - release_resource(&pcidev->resource[index]); - address &= ~0x1; - pcidev->resource[index].start = address; - pcidev->resource[index].end = address + size - 1; - - if (request_resource(root, &pcidev->resource[index]) != NULL) - { - printk(KERN_ERR "pci remap conflict!! 0x%x\n", address); - return (-1); - } -#endif - - return (0); -} - -static int init_mp_dev(struct pci_dev *pcidev, mppcibrd_t brd) -{ - static struct mp_device_t *sbdev = mp_devs; - unsigned long addr = 0; - int j; - struct resource *ret = NULL; - - sbdev->device_id = brd.device_id; - pci_read_config_byte(pcidev, PCI_CLASS_REVISION, &(sbdev->revision)); - sbdev->name = brd.name; - sbdev->uart_access_addr = pcidev->resource[0].start & PCI_BASE_ADDRESS_IO_MASK; - - /* check revision. The SB16C1053APCI's option i/o address is BAR4 */ - if (sbdev->revision == 0xc0) - { - /* SB16C1053APCI */ - sbdev->option_reg_addr = pcidev->resource[4].start & PCI_BASE_ADDRESS_IO_MASK; - } - else - { - sbdev->option_reg_addr = pcidev->resource[1].start & PCI_BASE_ADDRESS_IO_MASK; - } -#if 1 - if (sbdev->revision == 0xc0) - { - outb(0x00, sbdev->option_reg_addr + MP_OPTR_GPOCR); - inb(sbdev->option_reg_addr + MP_OPTR_GPOCR); - outb(0x83, sbdev->option_reg_addr + MP_OPTR_GPOCR); - } -#endif - - sbdev->irq = pcidev->irq; - - if ((brd.device_id & 0x0800) || !(brd.device_id &0xff00)) - { - sbdev->poll_type = TYPE_INTERRUPT; - } - else - { - sbdev->poll_type = TYPE_POLL; - } - - /* codes which is specific to each board*/ - switch(brd.device_id){ - case PCI_DEVICE_ID_MP1 : - case PCIE_DEVICE_ID_MP1 : - case PCIE_DEVICE_ID_MP1E : - case PCIE_DEVICE_ID_GT_MP1 : - sbdev->nr_ports = 1; - break; - case PCI_DEVICE_ID_MP2 : - case PCIE_DEVICE_ID_MP2 : - case PCIE_DEVICE_ID_GT_MP2 : - case PCIE_DEVICE_ID_MP2B : - case PCIE_DEVICE_ID_MP2E : - sbdev->nr_ports = 2; - - /* serial base address remap */ - if (sbdev->revision == 0xc0) - { - int prev_port_addr = 0; - - pci_read_config_dword(pcidev, PCI_BASE_ADDRESS_0, &prev_port_addr); - pci_remap_base(pcidev, PCI_BASE_ADDRESS_1, prev_port_addr + 8, 8); - } - break; - case PCI_DEVICE_ID_MP4 : - case PCI_DEVICE_ID_MP4A : - case PCIE_DEVICE_ID_MP4 : - case PCI_DEVICE_ID_GT_MP4 : - case PCI_DEVICE_ID_GT_MP4A : - case PCIE_DEVICE_ID_GT_MP4 : - case PCI_DEVICE_ID_MP4M : - case PCIE_DEVICE_ID_MP4B : - sbdev->nr_ports = 4; - - if(sbdev->revision == 0x91){ - sbdev->reserved_addr[0] = pcidev->resource[0].start & PCI_BASE_ADDRESS_IO_MASK; - outb(0x03 , sbdev->reserved_addr[0] + 0x01); - outb(0x03 , sbdev->reserved_addr[0] + 0x02); - outb(0x01 , sbdev->reserved_addr[0] + 0x20); - outb(0x00 , sbdev->reserved_addr[0] + 0x21); - request_region(sbdev->reserved_addr[0], 32, sbdev->name); - sbdev->uart_access_addr = pcidev->resource[1].start & PCI_BASE_ADDRESS_IO_MASK; - sbdev->option_reg_addr = pcidev->resource[2].start & PCI_BASE_ADDRESS_IO_MASK; - } - - /* SB16C1053APCI */ - if (sbdev->revision == 0xc0) - { - int prev_port_addr = 0; - - pci_read_config_dword(pcidev, PCI_BASE_ADDRESS_0, &prev_port_addr); - pci_remap_base(pcidev, PCI_BASE_ADDRESS_1, prev_port_addr + 8, 8); - pci_remap_base(pcidev, PCI_BASE_ADDRESS_2, prev_port_addr + 16, 8); - pci_remap_base(pcidev, PCI_BASE_ADDRESS_3, prev_port_addr + 24, 8); - } - break; - case PCI_DEVICE_ID_MP6 : - case PCI_DEVICE_ID_MP6A : - case PCI_DEVICE_ID_GT_MP6 : - case PCI_DEVICE_ID_GT_MP6A : - sbdev->nr_ports = 6; - - /* SB16C1053APCI */ - if (sbdev->revision == 0xc0) - { - int prev_port_addr = 0; - - pci_read_config_dword(pcidev, PCI_BASE_ADDRESS_0, &prev_port_addr); - pci_remap_base(pcidev, PCI_BASE_ADDRESS_1, prev_port_addr + 8, 8); - pci_remap_base(pcidev, PCI_BASE_ADDRESS_2, prev_port_addr + 16, 16); - pci_remap_base(pcidev, PCI_BASE_ADDRESS_3, prev_port_addr + 32, 16); - } - break; - case PCI_DEVICE_ID_MP8 : - case PCIE_DEVICE_ID_MP8 : - case PCI_DEVICE_ID_GT_MP8 : - case PCIE_DEVICE_ID_GT_MP8 : - case PCIE_DEVICE_ID_MP8B : - sbdev->nr_ports = 8; - break; - case PCI_DEVICE_ID_MP32 : - case PCIE_DEVICE_ID_MP32 : - case PCI_DEVICE_ID_GT_MP32 : - case PCIE_DEVICE_ID_GT_MP32 : - { - int portnum_hex=0; - portnum_hex = inb(sbdev->option_reg_addr); - sbdev->nr_ports = ((portnum_hex/16)*10) + (portnum_hex % 16); - } - break; -#ifdef CONFIG_PARPORT_PC - case PCI_DEVICE_ID_MP2S1P : - sbdev->nr_ports = 2; - - /* SB16C1053APCI */ - if (sbdev->revision == 0xc0) - { - int prev_port_addr = 0; - - pci_read_config_dword(pcidev, PCI_BASE_ADDRESS_0, &prev_port_addr); - pci_remap_base(pcidev, PCI_BASE_ADDRESS_1, prev_port_addr + 8, 8); - } - - /* add PC compatible parallel port */ - parport_pc_probe_port(pcidev->resource[2].start, pcidev->resource[3].start, PARPORT_IRQ_NONE, PARPORT_DMA_NONE, &pcidev->dev, 0); - break; - case PCI_DEVICE_ID_MP1P : - /* add PC compatible parallel port */ - parport_pc_probe_port(pcidev->resource[2].start, pcidev->resource[3].start, PARPORT_IRQ_NONE, PARPORT_DMA_NONE, &pcidev->dev, 0); - break; -#endif - } - - ret = request_region(sbdev->uart_access_addr, (8*sbdev->nr_ports), sbdev->name); - - if (sbdev->revision == 0xc0) - { - ret = request_region(sbdev->option_reg_addr, 0x40, sbdev->name); - } - else - { - ret = request_region(sbdev->option_reg_addr, 0x20, sbdev->name); - } - - - NR_BOARD++; - NR_PORTS += sbdev->nr_ports; - - /* Enable PCI interrupt */ - addr = sbdev->option_reg_addr + MP_OPTR_IMR0; - for(j=0; j < (sbdev->nr_ports/8)+1; j++) - { - if (sbdev->poll_type == TYPE_INTERRUPT) - { - outb(0xff,addr +j); - } - } - sbdev++; - - return 0; -} - -static int __init multi_init(void) -{ - int ret, i; - struct pci_dev *dev = NULL; - - if(fcr_count==0) - { - for(i=0;i<256;i++) - { - fcr_arr[i] = 0x01; - - } - } - if(deep_count==0) - { - for(i=0;i<256;i++) - { - deep[i] = 1; - - } - } - if(rtr_count==0) - { - for(i=0;i<256;i++) - { - rtr[i] = 0x10; - } - } - if(ttr_count==0) - { - for(i=0;i<256;i++) - { - ttr[i] = 0x38; - } - } - - -printk("MULTI INIT\n"); - for( i=0; i< mp_nrpcibrds; i++) - { - - while( (dev = pci_get_device(mp_pciboards[i].vendor_id, mp_pciboards[i].device_id, dev) ) ) - - { -printk("FOUND~~~\n"); -// Cent OS bug fix -// if (mp_pciboards[i].device_id & 0x0800) - { - int status; - pci_disable_device(dev); - status = pci_enable_device(dev); - - if (status != 0) - { - printk("Multiport Board Enable Fail !\n\n"); - status = -ENXIO; - return status; - } - } - - init_mp_dev(dev, mp_pciboards[i]); - } - } - - for (i = 0; i < NR_IRQS; i++) - spin_lock_init(&irq_lists[i].lock); - - ret = mp_register_driver(&multi_reg); - - if (ret >= 0) - multi_register_ports(&multi_reg); - - return ret; -} - -static void __exit multi_exit(void) -{ - int i; - - for (i = 0; i < NR_PORTS; i++) - mp_remove_one_port(&multi_reg, &multi_ports[i].port); - - mp_unregister_driver(&multi_reg); -} - -module_init(multi_init); -module_exit(multi_exit); - -MODULE_DESCRIPTION("SystemBase Multiport PCI/PCIe CORE"); -MODULE_LICENSE("GPL"); |