1 /*
2  * SyncLink Multiprotocol Serial Adapter Driver
3  *
4  * $Id: synclink.h,v 3.6 2002/02/20 21:58:20 paulkf Exp $
5  *
6  * Copyright (C) 1998-2000 by Microgate Corporation
7  *
8  * Redistribution of this file is permitted under
9  * the terms of the GNU Public License (GPL)
10  */
11 
12 #ifndef _SYNCLINK_H_
13 #define _SYNCLINK_H_
14 #define SYNCLINK_H_VERSION 3.6
15 
16 #define BOOLEAN int
17 #define TRUE 1
18 #define FALSE 0
19 
20 #define BIT0	0x0001
21 #define BIT1	0x0002
22 #define BIT2	0x0004
23 #define BIT3	0x0008
24 #define BIT4	0x0010
25 #define BIT5	0x0020
26 #define BIT6	0x0040
27 #define BIT7	0x0080
28 #define BIT8	0x0100
29 #define BIT9	0x0200
30 #define BIT10	0x0400
31 #define BIT11	0x0800
32 #define BIT12	0x1000
33 #define BIT13	0x2000
34 #define BIT14	0x4000
35 #define BIT15	0x8000
36 #define BIT16	0x00010000
37 #define BIT17	0x00020000
38 #define BIT18	0x00040000
39 #define BIT19	0x00080000
40 #define BIT20	0x00100000
41 #define BIT21	0x00200000
42 #define BIT22	0x00400000
43 #define BIT23	0x00800000
44 #define BIT24	0x01000000
45 #define BIT25	0x02000000
46 #define BIT26	0x04000000
47 #define BIT27	0x08000000
48 #define BIT28	0x10000000
49 #define BIT29	0x20000000
50 #define BIT30	0x40000000
51 #define BIT31	0x80000000
52 
53 
54 #define HDLC_MAX_FRAME_SIZE	65535
55 #define MAX_ASYNC_TRANSMIT	4096
56 #define MAX_ASYNC_BUFFER_SIZE	4096
57 
58 #define ASYNC_PARITY_NONE		0
59 #define ASYNC_PARITY_EVEN		1
60 #define ASYNC_PARITY_ODD		2
61 #define ASYNC_PARITY_SPACE		3
62 
63 #define HDLC_FLAG_UNDERRUN_ABORT7	0x0000
64 #define HDLC_FLAG_UNDERRUN_ABORT15	0x0001
65 #define HDLC_FLAG_UNDERRUN_FLAG		0x0002
66 #define HDLC_FLAG_UNDERRUN_CRC		0x0004
67 #define HDLC_FLAG_SHARE_ZERO		0x0010
68 #define HDLC_FLAG_AUTO_CTS		0x0020
69 #define HDLC_FLAG_AUTO_DCD		0x0040
70 #define HDLC_FLAG_AUTO_RTS		0x0080
71 #define HDLC_FLAG_RXC_DPLL		0x0100
72 #define HDLC_FLAG_RXC_BRG		0x0200
73 #define HDLC_FLAG_RXC_TXCPIN		0x8000
74 #define HDLC_FLAG_RXC_RXCPIN		0x0000
75 #define HDLC_FLAG_TXC_DPLL		0x0400
76 #define HDLC_FLAG_TXC_BRG		0x0800
77 #define HDLC_FLAG_TXC_TXCPIN		0x0000
78 #define HDLC_FLAG_TXC_RXCPIN		0x0008
79 #define HDLC_FLAG_DPLL_DIV8		0x1000
80 #define HDLC_FLAG_DPLL_DIV16		0x2000
81 #define HDLC_FLAG_DPLL_DIV32		0x0000
82 #define HDLC_FLAG_HDLC_LOOPMODE		0x4000
83 
84 #define HDLC_CRC_NONE			0
85 #define HDLC_CRC_16_CCITT		1
86 #define HDLC_CRC_32_CCITT		2
87 #define HDLC_CRC_MASK			0x00ff
88 #define HDLC_CRC_RETURN_EX		0x8000
89 
90 #define RX_OK				0
91 #define RX_CRC_ERROR			1
92 
93 #define HDLC_TXIDLE_FLAGS		0
94 #define HDLC_TXIDLE_ALT_ZEROS_ONES	1
95 #define HDLC_TXIDLE_ZEROS		2
96 #define HDLC_TXIDLE_ONES		3
97 #define HDLC_TXIDLE_ALT_MARK_SPACE	4
98 #define HDLC_TXIDLE_SPACE		5
99 #define HDLC_TXIDLE_MARK		6
100 
101 #define HDLC_ENCODING_NRZ			0
102 #define HDLC_ENCODING_NRZB			1
103 #define HDLC_ENCODING_NRZI_MARK			2
104 #define HDLC_ENCODING_NRZI_SPACE		3
105 #define HDLC_ENCODING_NRZI			HDLC_ENCODING_NRZI_SPACE
106 #define HDLC_ENCODING_BIPHASE_MARK		4
107 #define HDLC_ENCODING_BIPHASE_SPACE		5
108 #define HDLC_ENCODING_BIPHASE_LEVEL		6
109 #define HDLC_ENCODING_DIFF_BIPHASE_LEVEL	7
110 
111 #define HDLC_PREAMBLE_LENGTH_8BITS	0
112 #define HDLC_PREAMBLE_LENGTH_16BITS	1
113 #define HDLC_PREAMBLE_LENGTH_32BITS	2
114 #define HDLC_PREAMBLE_LENGTH_64BITS	3
115 
116 #define HDLC_PREAMBLE_PATTERN_NONE	0
117 #define HDLC_PREAMBLE_PATTERN_ZEROS	1
118 #define HDLC_PREAMBLE_PATTERN_FLAGS	2
119 #define HDLC_PREAMBLE_PATTERN_10	3
120 #define HDLC_PREAMBLE_PATTERN_01	4
121 #define HDLC_PREAMBLE_PATTERN_ONES	5
122 
123 #define MGSL_MODE_ASYNC		1
124 #define MGSL_MODE_HDLC		2
125 #define MGSL_MODE_RAW		6
126 
127 #define MGSL_BUS_TYPE_ISA	1
128 #define MGSL_BUS_TYPE_EISA	2
129 #define MGSL_BUS_TYPE_PCI	5
130 
131 #define MGSL_INTERFACE_DISABLE  0
132 #define MGSL_INTERFACE_RS232    1
133 #define MGSL_INTERFACE_V35      2
134 #define MGSL_INTERFACE_RS422    3
135 
136 typedef struct _MGSL_PARAMS
137 {
138 	/* Common */
139 
140 	unsigned long	mode;		/* Asynchronous or HDLC */
141 	unsigned char	loopback;	/* internal loopback mode */
142 
143 	/* HDLC Only */
144 
145 	unsigned short	flags;
146 	unsigned char	encoding;	/* NRZ, NRZI, etc. */
147 	unsigned long	clock_speed;	/* external clock speed in bits per second */
148 	unsigned char	addr_filter;	/* receive HDLC address filter, 0xFF = disable */
149 	unsigned short	crc_type;	/* None, CRC16-CCITT, or CRC32-CCITT */
150 	unsigned char	preamble_length;
151 	unsigned char	preamble;
152 
153 	/* Async Only */
154 
155 	unsigned long	data_rate;	/* bits per second */
156 	unsigned char	data_bits;	/* 7 or 8 data bits */
157 	unsigned char	stop_bits;	/* 1 or 2 stop bits */
158 	unsigned char	parity;		/* none, even, or odd */
159 
160 } MGSL_PARAMS, *PMGSL_PARAMS;
161 
162 #define MICROGATE_VENDOR_ID 0x13c0
163 #define SYNCLINK_DEVICE_ID 0x0010
164 #define MGSCC_DEVICE_ID 0x0020
165 #define SYNCLINK_SCA_DEVICE_ID 0x0030
166 #define MGSL_MAX_SERIAL_NUMBER 30
167 
168 /*
169 ** device diagnostics status
170 */
171 
172 #define DiagStatus_OK				0
173 #define DiagStatus_AddressFailure		1
174 #define DiagStatus_AddressConflict		2
175 #define DiagStatus_IrqFailure			3
176 #define DiagStatus_IrqConflict			4
177 #define DiagStatus_DmaFailure			5
178 #define DiagStatus_DmaConflict			6
179 #define DiagStatus_PciAdapterNotFound		7
180 #define DiagStatus_CantAssignPciResources	8
181 #define DiagStatus_CantAssignPciMemAddr		9
182 #define DiagStatus_CantAssignPciIoAddr		10
183 #define DiagStatus_CantAssignPciIrq		11
184 #define DiagStatus_MemoryError			12
185 
186 #define SerialSignal_DCD            0x01     /* Data Carrier Detect */
187 #define SerialSignal_TXD            0x02     /* Transmit Data */
188 #define SerialSignal_RI             0x04     /* Ring Indicator */
189 #define SerialSignal_RXD            0x08     /* Receive Data */
190 #define SerialSignal_CTS            0x10     /* Clear to Send */
191 #define SerialSignal_RTS            0x20     /* Request to Send */
192 #define SerialSignal_DSR            0x40     /* Data Set Ready */
193 #define SerialSignal_DTR            0x80     /* Data Terminal Ready */
194 
195 
196 /*
197  * Counters of the input lines (CTS, DSR, RI, CD) interrupts
198  */
199 struct mgsl_icount {
200 	__u32	cts, dsr, rng, dcd, tx, rx;
201 	__u32	frame, parity, overrun, brk;
202 	__u32	buf_overrun;
203 	__u32	txok;
204 	__u32	txunder;
205 	__u32	txabort;
206 	__u32	txtimeout;
207 	__u32	rxshort;
208 	__u32	rxlong;
209 	__u32	rxabort;
210 	__u32	rxover;
211 	__u32	rxcrc;
212 	__u32	rxok;
213 	__u32	exithunt;
214 	__u32	rxidle;
215 };
216 
217 
218 #define DEBUG_LEVEL_DATA	1
219 #define DEBUG_LEVEL_ERROR 	2
220 #define DEBUG_LEVEL_INFO  	3
221 #define DEBUG_LEVEL_BH    	4
222 #define DEBUG_LEVEL_ISR		5
223 
224 /*
225 ** Event bit flags for use with MgslWaitEvent
226 */
227 
228 #define MgslEvent_DsrActive	0x0001
229 #define MgslEvent_DsrInactive	0x0002
230 #define MgslEvent_Dsr		0x0003
231 #define MgslEvent_CtsActive	0x0004
232 #define MgslEvent_CtsInactive	0x0008
233 #define MgslEvent_Cts		0x000c
234 #define MgslEvent_DcdActive	0x0010
235 #define MgslEvent_DcdInactive	0x0020
236 #define MgslEvent_Dcd		0x0030
237 #define MgslEvent_RiActive	0x0040
238 #define MgslEvent_RiInactive	0x0080
239 #define MgslEvent_Ri		0x00c0
240 #define MgslEvent_ExitHuntMode	0x0100
241 #define MgslEvent_IdleReceived	0x0200
242 
243 /* Private IOCTL codes:
244  *
245  * MGSL_IOCSPARAMS	set MGSL_PARAMS structure values
246  * MGSL_IOCGPARAMS	get current MGSL_PARAMS structure values
247  * MGSL_IOCSTXIDLE	set current transmit idle mode
248  * MGSL_IOCGTXIDLE	get current transmit idle mode
249  * MGSL_IOCTXENABLE	enable or disable transmitter
250  * MGSL_IOCRXENABLE	enable or disable receiver
251  * MGSL_IOCTXABORT	abort transmitting frame (HDLC)
252  * MGSL_IOCGSTATS	return current statistics
253  * MGSL_IOCWAITEVENT	wait for specified event to occur
254  * MGSL_LOOPTXDONE	transmit in HDLC LoopMode done
255  * MGSL_IOCSIF          set the serial interface type
256  * MGSL_IOCGIF          get the serial interface type
257  */
258 #define MGSL_MAGIC_IOC	'm'
259 #define MGSL_IOCSPARAMS		_IOW(MGSL_MAGIC_IOC,0,struct _MGSL_PARAMS)
260 #define MGSL_IOCGPARAMS		_IOR(MGSL_MAGIC_IOC,1,struct _MGSL_PARAMS)
261 #define MGSL_IOCSTXIDLE		_IO(MGSL_MAGIC_IOC,2)
262 #define MGSL_IOCGTXIDLE		_IO(MGSL_MAGIC_IOC,3)
263 #define MGSL_IOCTXENABLE	_IO(MGSL_MAGIC_IOC,4)
264 #define MGSL_IOCRXENABLE	_IO(MGSL_MAGIC_IOC,5)
265 #define MGSL_IOCTXABORT		_IO(MGSL_MAGIC_IOC,6)
266 #define MGSL_IOCGSTATS		_IO(MGSL_MAGIC_IOC,7)
267 #define MGSL_IOCWAITEVENT	_IOWR(MGSL_MAGIC_IOC,8,int)
268 #define MGSL_IOCCLRMODCOUNT	_IO(MGSL_MAGIC_IOC,15)
269 #define MGSL_IOCLOOPTXDONE	_IO(MGSL_MAGIC_IOC,9)
270 #define MGSL_IOCSIF		_IO(MGSL_MAGIC_IOC,10)
271 #define MGSL_IOCGIF		_IO(MGSL_MAGIC_IOC,11)
272 
273 #endif /* _SYNCLINK_H_ */
274