aboutsummaryrefslogtreecommitdiff
path: root/drivers/tty/mxser.h
blob: 0bf794313ffd5cb8a0b06d26ff7b1b5a69d496e5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
#ifndef _MXSER_H
#define _MXSER_H

/*
 *	Semi-public control interfaces
 */

/*
 *	MOXA ioctls
 */

#define MOXA			0x400
#define MOXA_GETDATACOUNT	(MOXA + 23)
#define MOXA_DIAGNOSE		(MOXA + 50)
#define MOXA_CHKPORTENABLE	(MOXA + 60)
#define MOXA_HighSpeedOn	(MOXA + 61)
#define MOXA_GET_MAJOR		(MOXA + 63)
#define MOXA_GETMSTATUS		(MOXA + 65)
#define MOXA_SET_OP_MODE	(MOXA + 66)
#define MOXA_GET_OP_MODE	(MOXA + 67)

#define RS232_MODE		0
#define RS485_2WIRE_MODE	1
#define RS422_MODE		2
#define RS485_4WIRE_MODE	3
#define OP_MODE_MASK		3

#define MOXA_SDS_RSTICOUNTER	(MOXA + 69)
#define MOXA_ASPP_OQUEUE  	(MOXA + 70)
#define MOXA_ASPP_MON     	(MOXA + 73)
#define MOXA_ASPP_LSTATUS 	(MOXA + 74)
#define MOXA_ASPP_MON_EXT 	(MOXA + 75)
#define MOXA_SET_BAUD_METHOD	(MOXA + 76)

/* --------------------------------------------------- */

#define NPPI_NOTIFY_PARITY	0x01
#define NPPI_NOTIFY_FRAMING	0x02
#define NPPI_NOTIFY_HW_OVERRUN	0x04
#define NPPI_NOTIFY_SW_OVERRUN	0x08
#define NPPI_NOTIFY_BREAK	0x10

#define NPPI_NOTIFY_CTSHOLD         0x01	/* Tx hold by CTS low */
#define NPPI_NOTIFY_DSRHOLD         0x02	/* Tx hold by DSR low */
#define NPPI_NOTIFY_XOFFHOLD        0x08	/* Tx hold by Xoff received */
#define NPPI_NOTIFY_XOFFXENT        0x10	/* Xoff Sent */

/* follow just for Moxa Must chip define. */
/* */
/* when LCR register (offset 0x03) write following value, */
/* the Must chip will enter enchance mode. And write value */
/* on EFR (offset 0x02) bit 6,7 to change bank. */
#define MOXA_MUST_ENTER_ENCHANCE	0xBF

/* when enhance mode enable, access on general bank register */
#define MOXA_MUST_GDL_REGISTER		0x07
#define MOXA_MUST_GDL_MASK		0x7F
#define MOXA_MUST_GDL_HAS_BAD_DATA	0x80

#define MOXA_MUST_LSR_RERR		0x80	/* error in receive FIFO */
/* enchance register bank select and enchance mode setting register */
/* when LCR register equal to 0xBF */
#define MOXA_MUST_EFR_REGISTER		0x02
/* enchance mode enable */
#define MOXA_MUST_EFR_EFRB_ENABLE	0x10
/* enchance reister bank set 0, 1, 2 */
#define MOXA_MUST_EFR_BANK0		0x00
#define MOXA_MUST_EFR_BANK1		0x40
#define MOXA_MUST_EFR_BANK2		0x80
#define MOXA_MUST_EFR_BANK3		0xC0
#define MOXA_MUST_EFR_BANK_MASK		0xC0

/* set XON1 value register, when LCR=0xBF and change to bank0 */
#define MOXA_MUST_XON1_REGISTER		0x04

/* set XON2 value register, when LCR=0xBF and change to bank0 */
#define MOXA_MUST_XON2_REGISTER		0x05

/* set XOFF1 value register, when LCR=0xBF and change to bank0 */
#define MOXA_MUST_XOFF1_REGISTER	0x06

/* set XOFF2 value register, when LCR=0xBF and change to bank0 */
#define MOXA_MUST_XOFF2_REGISTER	0x07

#define MOXA_MUST_RBRTL_REGISTER	0x04
#define MOXA_MUST_RBRTH_REGISTER	0x05
#define MOXA_MUST_RBRTI_REGISTER	0x06
#define MOXA_MUST_THRTL_REGISTER	0x07
#define MOXA_MUST_ENUM_REGISTER		0x04
#define MOXA_MUST_HWID_REGISTER		0x05
#define MOXA_MUST_ECR_REGISTER		0x06
#define MOXA_MUST_CSR_REGISTER		0x07

/* good data mode enable */
#define MOXA_MUST_FCR_GDA_MODE_ENABLE	0x20
/* only good data put into RxFIFO */
#define MOXA_MUST_FCR_GDA_ONLY_ENABLE	0x10

/* enable CTS interrupt */
#define MOXA_MUST_IER_ECTSI		0x80
/* enable RTS interrupt */
#define MOXA_MUST_IER_ERTSI		0x40
/* enable Xon/Xoff interrupt */
#define MOXA_MUST_IER_XINT		0x20
/* enable GDA interrupt */
#define MOXA_MUST_IER_EGDAI		0x10

#define MOXA_MUST_RECV_ISR		(UART_IER_RDI | MOXA_MUST_IER_EGDAI)

/* GDA interrupt pending */
#define MOXA_MUST_IIR_GDA		0x1C
#define MOXA_MUST_IIR_RDA		0x04
#define MOXA_MUST_IIR_RTO		0x0C
#define MOXA_MUST_IIR_LSR		0x06

/* received Xon/Xoff or specical interrupt pending */
#define MOXA_MUST_IIR_XSC		0x10

/* RTS/CTS change state interrupt pending */
#define MOXA_MUST_IIR_RTSCTS		0x20
#define MOXA_MUST_IIR_MASK		0x3E

#define MOXA_MUST_MCR_XON_FLAG		0x40
#define MOXA_MUST_MCR_XON_ANY		0x80
#define MOXA_MUST_MCR_TX_XON		0x08

/* software flow control on chip mask value */
#define MOXA_MUST_EFR_SF_MASK		0x0F
/* send Xon1/Xoff1 */
#define MOXA_MUST_EFR_SF_TX1		0x08
/* send Xon2/Xoff2 */
#define MOXA_MUST_EFR_SF_TX2		0x04
/* send Xon1,Xon2/Xoff1,Xoff2 */
#define MOXA_MUST_EFR_SF_TX12		0x0C
/* don't send Xon/Xoff */
#define MOXA_MUST_EFR_SF_TX_NO		0x00
/* Tx software flow control mask */
#define MOXA_MUST_EFR_SF_TX_MASK	0x0C
/* don't receive Xon/Xoff */
#define MOXA_MUST_EFR_SF_RX_NO		0x00
/* receive Xon1/Xoff1 */
#define MOXA_MUST_EFR_SF_RX1		0x02
/* receive Xon2/Xoff2 */
#define MOXA_MUST_EFR_SF_RX2		0x01
/* receive Xon1,Xon2/Xoff1,Xoff2 */
#define MOXA_MUST_EFR_SF_RX12		0x03
/* Rx software flow control mask */
#define MOXA_MUST_EFR_SF_RX_MASK	0x03

#endif