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Diffstat (limited to 'pfinet/linux-src/include/linux/serialP.h')
| -rw-r--r-- | pfinet/linux-src/include/linux/serialP.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/pfinet/linux-src/include/linux/serialP.h b/pfinet/linux-src/include/linux/serialP.h new file mode 100644 index 00000000..6bf0746e --- /dev/null +++ b/pfinet/linux-src/include/linux/serialP.h @@ -0,0 +1,119 @@ +/* + * Private header file for the (dumb) serial driver + * + * Copyright (C) 1997 by Theodore Ts'o. + * + * Redistribution of this file is permitted under the terms of the GNU + * Public License (GPL) + */ + +#ifndef _LINUX_SERIALP_H +#define _LINUX_SERIALP_H + +/* + * This is our internal structure for each serial port's state. + * + * Many fields are paralleled by the structure used by the serial_struct + * structure. + * + * For definitions of the flags field, see tty.h + */ + +#include <linux/termios.h> +#include <linux/tqueue.h> + +/* + * Counters of the input lines (CTS, DSR, RI, CD) interrupts + */ +struct async_icount { + __u32 cts, dsr, rng, dcd, tx, rx; + __u32 frame, parity, overrun, brk; + __u32 buf_overrun; +}; + +struct serial_state { + int magic; + int baud_base; + int port; + int irq; + int flags; + int hub6; + int type; + int line; + int xmit_fifo_size; + int custom_divisor; + int count; + unsigned short close_delay; + unsigned short closing_wait; /* time to wait before closing */ + struct async_icount icount; + struct termios normal_termios; + struct termios callout_termios; + struct async_struct *info; +}; + +struct async_struct { + int magic; + int port; + int hub6; + int flags; + int xmit_fifo_size; + struct serial_state *state; + struct tty_struct *tty; + int read_status_mask; + int ignore_status_mask; + int timeout; + int quot; + int x_char; /* xon/xoff character */ + int close_delay; + unsigned short closing_wait; + unsigned short closing_wait2; + int IER; /* Interrupt Enable Register */ + int MCR; /* Modem control register */ + unsigned long event; + unsigned long last_active; + int line; + int blocked_open; /* # of blocked opens */ + long session; /* Session of opening process */ + long pgrp; /* pgrp of opening process */ + unsigned char *xmit_buf; + int xmit_head; + int xmit_tail; + int xmit_cnt; + struct tq_struct tqueue; + struct wait_queue *open_wait; + struct wait_queue *close_wait; + struct wait_queue *delta_msr_wait; + struct async_struct *next_port; /* For the linked list */ + struct async_struct *prev_port; +}; + +#define SERIAL_MAGIC 0x5301 +#define SSTATE_MAGIC 0x5302 + +/* + * The size of the serial xmit buffer is 1 page, or 4096 bytes + */ +#define SERIAL_XMIT_SIZE 4096 + +/* + * Events are used to schedule things to happen at timer-interrupt + * time, instead of at rs interrupt time. + */ +#define RS_EVENT_WRITE_WAKEUP 0 + +/* + * Multiport serial configuration structure --- internal structure + */ +struct rs_multiport_struct { + int port1; + unsigned char mask1, match1; + int port2; + unsigned char mask2, match2; + int port3; + unsigned char mask3, match3; + int port4; + unsigned char mask4, match4; + int port_monitor; +}; + +#endif /* _LINUX_SERIAL_H */ |