[deliverable/linux.git] / include / uapi / 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 _UAPI_LINUX_SERIAL_H
#define _UAPI_LINUX_SERIAL_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	/* 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

#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];
};

/*
 * 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.
 */

struct serial_rs485 {
	__u32	flags;			/* RS485 feature flags */
#define SER_RS485_ENABLED		(1 << 0)	/* If enabled */
#define SER_RS485_RTS_ON_SEND		(1 << 1)	/* Logical level for
							   RTS pin when
							   sending */
#define SER_RS485_RTS_AFTER_SEND	(1 << 2)	/* Logical level for
							   RTS pin after sent*/
#define SER_RS485_RX_DURING_TX		(1 << 4)
	__u32	delay_rts_before_send;	/* Delay before send (milliseconds) */
	__u32	delay_rts_after_send;	/* Delay after send (milliseconds) */
	__u32	padding[5];		/* Memory is cheap, new structs
					   are a royal PITA .. */
};

#endif /* _UAPI_LINUX_SERIAL_H */
Commit	Line	Data
607ca46e DH	1	/*
	2	* include/linux/serial.h
	3	*
	4	* Copyright (C) 1992 by Theodore Ts'o.
	5	*
	6	* Redistribution of this file is permitted under the terms of the GNU
	7	* Public License (GPL)
	8	*/
	9
	10	#ifndef _UAPI_LINUX_SERIAL_H
	11	#define _UAPI_LINUX_SERIAL_H
	12
	13	#include <linux/types.h>
	14
	15	#include <linux/tty_flags.h>
	16
	17
	18	struct serial_struct {
	19	int type;
	20	int line;
	21	unsigned int port;
	22	int irq;
	23	int flags;
	24	int xmit_fifo_size;
	25	int custom_divisor;
	26	int baud_base;
	27	unsigned short close_delay;
	28	char io_type;
	29	char reserved_char[1];
	30	int hub6;
	31	unsigned short closing_wait; /* time to wait before closing */
	32	unsigned short closing_wait2; /* no longer used... */
	33	unsigned char *iomem_base;
	34	unsigned short iomem_reg_shift;
	35	unsigned int port_high;
	36	unsigned long iomap_base; /* cookie passed into ioremap */
	37	};
	38
	39	/*
	40	* For the close wait times, 0 means wait forever for serial port to
	41	* flush its output. 65535 means don't wait at all.
	42	*/
	43	#define ASYNC_CLOSING_WAIT_INF 0
	44	#define ASYNC_CLOSING_WAIT_NONE 65535
	45
	46	/*
	47	* These are the supported serial types.
	48	*/
	49	#define PORT_UNKNOWN 0
	50	#define PORT_8250 1
	51	#define PORT_16450 2
	52	#define PORT_16550 3
	53	#define PORT_16550A 4
	54	#define PORT_CIRRUS 5 /* usurped by cyclades.c */
	55	#define PORT_16650 6
	56	#define PORT_16650V2 7
	57	#define PORT_16750 8
	58	#define PORT_STARTECH 9 /* usurped by cyclades.c */
	59	#define PORT_16C950 10 /* Oxford Semiconductor */
	60	#define PORT_16654 11
	61	#define PORT_16850 12
	62	#define PORT_RSA 13 /* RSA-DV II/S card */
	63	#define PORT_MAX 13
	64
65	#define SERIAL_IO_PORT 0
66	#define SERIAL_IO_HUB6 1
67	#define SERIAL_IO_MEM 2
68
69	#define UART_CLEAR_FIFO 0x01
70	#define UART_USE_FIFO 0x02
71	#define UART_STARTECH 0x04
72	#define UART_NATSEMI 0x08
73
74
75	/*
76	* Multiport serial configuration structure --- external structure
77	*/
78	struct serial_multiport_struct {
79	int irq;
80	int port1;
81	unsigned char mask1, match1;
82	int port2;
83	unsigned char mask2, match2;
84	int port3;
85	unsigned char mask3, match3;
86	int port4;
87	unsigned char mask4, match4;
88	int port_monitor;
89	int reserved[32];
90	};
91
92	/*
93	* Serial input interrupt line counters -- external structure
94	* Four lines can interrupt: CTS, DSR, RI, DCD
95	*/
96	struct serial_icounter_struct {
97	int cts, dsr, rng, dcd;
98	int rx, tx;
99	int frame, overrun, parity, brk;
100	int buf_overrun;
101	int reserved[9];
102	};
103
104	/*
105	* Serial interface for controlling RS485 settings on chips with suitable
106	* support. Set with TIOCSRS485 and get with TIOCGRS485 if supported by your
107	* platform. The set function returns the new state, with any unsupported bits
108	* reverted appropriately.
109	*/
110
111	struct serial_rs485 {
112	__u32 flags; /* RS485 feature flags */
113	#define SER_RS485_ENABLED (1 << 0) /* If enabled */
114	#define SER_RS485_RTS_ON_SEND (1 << 1) /* Logical level for
115	RTS pin when
116	sending */
117	#define SER_RS485_RTS_AFTER_SEND (1 << 2) /* Logical level for
118	RTS pin after sent*/
119	#define SER_RS485_RX_DURING_TX (1 << 4)
120	__u32 delay_rts_before_send; /* Delay before send (milliseconds) */
121	__u32 delay_rts_after_send; /* Delay after send (milliseconds) */
122	__u32 padding[5]; /* Memory is cheap, new structs
123	are a royal PITA .. */
124	};
125
126	#endif /* _UAPI_LINUX_SERIAL_H */