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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note *//* * 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 _UAPI_LINUX_SERIAL_H#define _UAPI_LINUX_SERIAL_H
#include <linux/const.h>#include <linux/types.h>
#include <linux/tty_flags.h>
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#define PORT_16650 6#define PORT_16650V2 7#define PORT_16750 8#define PORT_STARTECH 9#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#define SERIAL_IO_MEM32 3#define SERIAL_IO_AU 4#define SERIAL_IO_TSI 5#define SERIAL_IO_MEM32BE 6#define SERIAL_IO_MEM16 7#define SERIAL_IO_BUS 8
#define UART_CLEAR_FIFO 0x01#define UART_USE_FIFO 0x02#define UART_STARTECH 0x04#define UART_NATSEMI 0x08
/* * 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];};
/** * struct serial_rs485 - serial interface for controlling RS485 settings. * @flags: RS485 feature flags. * @delay_rts_before_send: Delay before send (milliseconds). * @delay_rts_after_send: Delay after send (milliseconds). * @addr_recv: Receive filter for RS485 addressing mode * (used only when %SER_RS485_ADDR_RECV is set). * @addr_dest: Destination address for RS485 addressing mode * (used only when %SER_RS485_ADDR_DEST is set). * @padding0: Padding (set to zero). * @padding1: Padding (set to zero). * @padding: Deprecated, use @padding0 and @padding1 instead. * Do not use with @addr_recv and @addr_dest (due to * overlap). * * Serial interface for controlling RS485 settings on chips with suitable * support. Set with TIOCSRS485 and get with TIOCGRS485 if supported by your * platform. The set function returns the new state, with any unsupported bits * reverted appropriately. * * The flag bits are: * * * %SER_RS485_ENABLED - RS485 enabled. * * %SER_RS485_RTS_ON_SEND - Logical level for RTS pin when sending. * * %SER_RS485_RTS_AFTER_SEND - Logical level for RTS pin after sent. * * %SER_RS485_RX_DURING_TX - Full-duplex RS485 line. * * %SER_RS485_TERMINATE_BUS - Enable bus termination (if supported). * * %SER_RS485_ADDRB - Enable RS485 addressing mode. * * %SER_RS485_ADDR_RECV - Receive address filter (enables @addr_recv). Requires %SER_RS485_ADDRB. * * %SER_RS485_ADDR_DEST - Destination address (enables @addr_dest). Requires %SER_RS485_ADDRB. * * %SER_RS485_MODE_RS422 - Enable RS422. Requires %SER_RS485_ENABLED. */struct serial_rs485 { __u32 flags;#define SER_RS485_ENABLED _BITUL(0)#define SER_RS485_RTS_ON_SEND _BITUL(1)#define SER_RS485_RTS_AFTER_SEND _BITUL(2)/* Placeholder for bit 3: SER_RS485_RTS_BEFORE_SEND, which isn't used anymore */#define SER_RS485_RX_DURING_TX _BITUL(4)#define SER_RS485_TERMINATE_BUS _BITUL(5)#define SER_RS485_ADDRB _BITUL(6)#define SER_RS485_ADDR_RECV _BITUL(7)#define SER_RS485_ADDR_DEST _BITUL(8)#define SER_RS485_MODE_RS422 _BITUL(9)
__u32 delay_rts_before_send; __u32 delay_rts_after_send;
/* The fields below are defined by flags */ union { __u32 padding[5]; /* Memory is cheap, new structs are a pain */
struct { __u8 addr_recv; __u8 addr_dest; __u8 padding0[2]; __u32 padding1[4]; }; };};
/* * Serial interface for controlling ISO7816 settings on chips with suitable * support. Set with TIOCSISO7816 and get with TIOCGISO7816 if supported by * your platform. */struct serial_iso7816 { __u32 flags; /* ISO7816 feature flags */#define SER_ISO7816_ENABLED (1 << 0)#define SER_ISO7816_T_PARAM (0x0f << 4)#define SER_ISO7816_T(t) (((t) & 0x0f) << 4) __u32 tg; __u32 sc_fi; __u32 sc_di; __u32 clk; __u32 reserved[5];};
#endif /* _UAPI_LINUX_SERIAL_H */