http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/serial.h

/* * include/linux/serial.h * * Copyright (C) 1992 by Theodore Ts'o. * * Redistribution of this file is permitted under the terms of the GNU * Public License (GPL) */ #ifndef _LINUX_SERIAL_H #define _LINUX_SERIAL_H #ifdef __KERNEL__ #include <linux/types.h> #include <asm/page.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; }; /* * The size of the serial xmit buffer is 1 page, or 4096 bytes */ #define SERIAL_XMIT_SIZE PAGE_SIZE #endif struct serial_struct { int type; int line; unsigned int port; int irq; int flags; int xmit_fifo_size; int custom_divisor; int baud_base; unsigned short close_delay; char io_type; char reserved_char[1]; int hub6; unsigned short closing_wait; /* time to wait before closing */ unsigned short closing_wait2; /* no longer used... */ unsigned char *iomem_base; unsigned short iomem_reg_shift; unsigned int port_high; unsigned long iomap_base; /* cookie passed into ioremap */ }; /* * For the close wait times, 0 means wait forever for serial port to * flush its output. 65535 means don't wait at all. */ #define ASYNC_CLOSING_WAIT_INF 0 #define ASYNC_CLOSING_WAIT_NONE 65535 /* * These are the supported serial types. */ #define PORT_UNKNOWN 0 #define PORT_8250 1 #define PORT_16450 2 #define PORT_16550 3 #define PORT_16550A 4 #define PORT_CIRRUS 5 /* usurped by cyclades.c */ #define PORT_16650 6 #define PORT_16650V2 7 #define PORT_16750 8 #define PORT_STARTECH 9 /* usurped by cyclades.c */ #define PORT_16C950 10 /* Oxford Semiconductor */ #define PORT_16654 11 #define PORT_16850 12 #define PORT_RSA 13 /* RSA-DV II/S card */ #define PORT_MAX 13 #define SERIAL_IO_PORT 0 #define SERIAL_IO_HUB6 1 #define SERIAL_IO_MEM 2 struct serial_uart_config { char *name; int dfl_xmit_fifo_size; int flags; }; #define UART_CLEAR_FIFO 0x01 #define UART_USE_FIFO 0x02 #define UART_STARTECH 0x04 #define UART_NATSEMI 0x08 /* * Definitions for async_struct (and serial_struct) flags field */ #define ASYNC_HUP_NOTIFY 0x0001 /* Notify getty on hangups and closes on the callout port */ #define ASYNC_FOURPORT 0x0002 /* Set OU1, OUT2 per AST Fourport settings */ #define ASYNC_SAK 0x0004 /* Secure Attention Key (Orange book) */ #define ASYNC_SPLIT_TERMIOS 0x0008 /* Separate termios for dialin/callout */ #define ASYNC_SPD_MASK 0x1030 #define ASYNC_SPD_HI 0x0010 /* Use 56000 instead of 38400 bps */ #define ASYNC_SPD_VHI 0x0020 /* Use 115200 instead of 38400 bps */ #define ASYNC_SPD_CUST 0x0030 /* Use user-specified divisor */ #define ASYNC_SKIP_TEST 0x0040 /* Skip UART test during autoconfiguration */ #define ASYNC_AUTO_IRQ 0x0080 /* Do automatic IRQ during autoconfiguration */ #define ASYNC_SESSION_LOCKOUT 0x0100 /* Lock out cua opens based on session */ #define ASYNC_PGRP_LOCKOUT 0x0200 /* Lock out cua opens based on pgrp */ #define ASYNC_CALLOUT_NOHUP 0x0400 /* Don't do hangups for cua device */ #define ASYNC_HARDPPS_CD 0x0800 /* Call hardpps when CD goes high */ #define ASYNC_SPD_SHI 0x1000 /* Use 230400 instead of 38400 bps */ #define ASYNC_SPD_WARP 0x1010 /* Use 460800 instead of 38400 bps */ #define ASYNC_LOW_LATENCY 0x2000 /* Request low latency behaviour */ #define ASYNC_BUGGY_UART 0x4000 /* This is a buggy UART, skip some safety * checks. Note: can be dangerous! */ #define ASYNC_AUTOPROBE 0x8000 /* Port was autoprobed by PCI or PNP code */ #define ASYNC_FLAGS 0x7FFF /* Possible legal async flags */ #define ASYNC_USR_MASK 0x3430 /* Legal flags that non-privileged * users can set or reset */ /* Internal flags used only by kernel/chr_drv/serial.c */ #define ASYNC_INITIALIZED 0x80000000 /* Serial port was initialized */ #define ASYNC_NORMAL_ACTIVE 0x20000000 /* Normal device is active */ #define ASYNC_BOOT_AUTOCONF 0x10000000 /* Autoconfigure port on bootup */ #define ASYNC_CLOSING 0x08000000 /* Serial port is closing */ #define ASYNC_CTS_FLOW 0x04000000 /* Do CTS flow control */ #define ASYNC_CHECK_CD 0x02000000 /* i.e., CLOCAL */ #define ASYNC_SHARE_IRQ 0x01000000 /* for multifunction cards --- no longer used */ #define ASYNC_CONS_FLOW 0x00800000 /* flow control for console */ #define ASYNC_BOOT_ONLYMCA 0x00400000 /* Probe only if MCA bus */ #define ASYNC_INTERNAL_FLAGS 0xFFC00000 /* Internal flags */ /* * Multiport serial configuration structure --- external structure */ struct serial_multiport_struct { int irq; 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; int reserved[32]; }; /* * Serial input interrupt line counters -- external structure * Four lines can interrupt: CTS, DSR, RI, DCD */ struct serial_icounter_struct { int cts, dsr, rng, dcd; int rx, tx; int frame, overrun, parity, brk; int buf_overrun; int reserved[9]; }; #ifdef __KERNEL__ #include <linux/compiler.h> /* Allow architectures to override entries in serial8250_ports[] at run time: */ struct uart_port; /* forward declaration */ extern int early_serial_setup(struct uart_port *port); extern int early_serial_console_init(char *options); extern int serial8250_start_console(struct uart_port *port, char *options); #endif /* __KERNEL__ */ #endif /* _LINUX_SERIAL_H */