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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>
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17
18struct 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;
32 unsigned short closing_wait2;
33 unsigned char *iomem_base;
34 unsigned short iomem_reg_shift;
35 unsigned int port_high;
36 unsigned long iomap_base;
37};
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42
43#define ASYNC_CLOSING_WAIT_INF 0
44#define ASYNC_CLOSING_WAIT_NONE 65535
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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
55#define PORT_16650 6
56#define PORT_16650V2 7
57#define PORT_16750 8
58#define PORT_STARTECH 9
59#define PORT_16C950 10
60#define PORT_16654 11
61#define PORT_16850 12
62#define PORT_RSA 13
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#define SERIAL_IO_MEM32 3
69#define SERIAL_IO_AU 4
70#define SERIAL_IO_TSI 5
71#define SERIAL_IO_MEM32BE 6
72#define SERIAL_IO_MEM16 7
73
74#define UART_CLEAR_FIFO 0x01
75#define UART_USE_FIFO 0x02
76#define UART_STARTECH 0x04
77#define UART_NATSEMI 0x08
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83struct serial_multiport_struct {
84 int irq;
85 int port1;
86 unsigned char mask1, match1;
87 int port2;
88 unsigned char mask2, match2;
89 int port3;
90 unsigned char mask3, match3;
91 int port4;
92 unsigned char mask4, match4;
93 int port_monitor;
94 int reserved[32];
95};
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101struct serial_icounter_struct {
102 int cts, dsr, rng, dcd;
103 int rx, tx;
104 int frame, overrun, parity, brk;
105 int buf_overrun;
106 int reserved[9];
107};
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116struct serial_rs485 {
117 __u32 flags;
118#define SER_RS485_ENABLED (1 << 0)
119#define SER_RS485_RTS_ON_SEND (1 << 1)
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121
122#define SER_RS485_RTS_AFTER_SEND (1 << 2)
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124#define SER_RS485_RX_DURING_TX (1 << 4)
125 __u32 delay_rts_before_send;
126 __u32 delay_rts_after_send;
127 __u32 padding[5];
128
129};
130
131#endif
132