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/drivers/char/rio/rio.h

https://bitbucket.org/evzijst/gittest
C Header | 294 lines | 135 code | 48 blank | 111 comment | 1 complexity | 96a00b208214d4c2efe7b6c79fdfc71f MD5 | raw file
  1/*
  2** -----------------------------------------------------------------------------
  3**
  4**  Perle Specialix driver for Linux
  5**  Ported from existing RIO Driver for SCO sources.
  6 *
  7 *  (C) 1990 - 1998 Specialix International Ltd., Byfleet, Surrey, UK.
  8 *
  9 *      This program is free software; you can redistribute it and/or modify
 10 *      it under the terms of the GNU General Public License as published by
 11 *      the Free Software Foundation; either version 2 of the License, or
 12 *      (at your option) any later version.
 13 *
 14 *      This program is distributed in the hope that it will be useful,
 15 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 16 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 17 *      GNU General Public License for more details.
 18 *
 19 *      You should have received a copy of the GNU General Public License
 20 *      along with this program; if not, write to the Free Software
 21 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 22**
 23**	Module		: rio.h
 24**	SID		: 1.3
 25**	Last Modified	: 11/6/98 11:34:13
 26**	Retrieved	: 11/6/98 11:34:22
 27**
 28**  ident @(#)rio.h	1.3
 29**
 30** -----------------------------------------------------------------------------
 31*/
 32
 33#ifndef	__rio_rio_h__
 34#define	__rio_rio_h__
 35
 36#ifdef SCCS_LABELS
 37static char *_rio_h_sccs_ = "@(#)rio.h	1.3";
 38#endif
 39
 40/*
 41** 30.09.1998 ARG -
 42** Introduced driver version and host card type strings
 43*/
 44#define RIO_DRV_STR "Specialix RIO Driver"
 45#define RIO_AT_HOST_STR "ISA"
 46#define RIO_PCI_HOST_STR "PCI"
 47
 48
 49/*
 50** rio_info_store() commands (arbitary values) :
 51*/
 52#define RIO_INFO_PUT	0xA4B3C2D1
 53#define RIO_INFO_GET	0xF1E2D3C4
 54
 55
 56/*
 57** anything that I couldn't cram in somewhere else
 58*/
 59/*
 60#ifndef RIODEBUG
 61#define debug
 62#else
 63#define debug rioprint
 64#endif
 65*/
 66
 67
 68/*
 69**	Maximum numbers of things
 70*/
 71#define	RIO_SLOTS	4	/* number of configuration slots */
 72#define	RIO_HOSTS	4	/* number of hosts that can be found */
 73#define	PORTS_PER_HOST	128	/* number of ports per host */
 74#define	LINKS_PER_UNIT	4	/* number of links from a host */
 75#define	RIO_PORTS	(PORTS_PER_HOST * RIO_HOSTS) /* max. no. of ports */
 76#define	RTAS_PER_HOST	(MAX_RUP) /* number of RTAs per host */
 77#define	PORTS_PER_RTA	(PORTS_PER_HOST/RTAS_PER_HOST)	/* ports on a rta */
 78#define	PORTS_PER_MODULE 4	/* number of ports on a plug-in module */
 79				/* number of modules on an RTA */
 80#define	MODULES_PER_RTA	 (PORTS_PER_RTA/PORTS_PER_MODULE)
 81#define MAX_PRODUCT	16	/* numbr of different product codes */
 82#define MAX_MODULE_TYPES 16	/* number of different types of module */
 83
 84#define RIO_CONTROL_DEV	128	/* minor number of host/control device */
 85#define RIO_INVALID_MAJOR 0	/* test first host card's major no for validity */
 86
 87/*
 88** number of RTAs that can be bound to a master
 89*/
 90#define MAX_RTA_BINDINGS (MAX_RUP * RIO_HOSTS)
 91
 92/*
 93**	Unit types
 94*/
 95#define PC_RTA16	0x90000000
 96#define PC_RTA8		0xe0000000
 97#define TYPE_HOST	0
 98#define TYPE_RTA8	1
 99#define TYPE_RTA16	2
100
101/*
102**	Flag values returned by functions
103*/
104#define	RIO_FAIL	-1
105#define	RIO_SUCCESS	0
106#define	COPYFAIL	-1	/* copy[in|out] failed */
107
108/*
109** SysPort value for something that hasn't any ports
110*/
111#define	NO_PORT	0xFFFFFFFF
112
113/*
114** Unit ID Of all hosts
115*/
116#define	HOST_ID	0
117
118/*
119** Break bytes into nybles
120*/
121#define	LONYBLE(X)	((X) & 0xF)
122#define	HINYBLE(X)	(((X)>>4) & 0xF)
123
124/*
125** Flag values passed into some functions
126*/
127#define	DONT_SLEEP	0
128#define	OK_TO_SLEEP	1
129
130#define	DONT_PRINT	1
131#define	DO_PRINT	0
132
133#define PRINT_TO_LOG_CONS	0
134#define PRINT_TO_CONS	1
135#define PRINT_TO_LOG	2
136
137/*
138** Timeout has trouble with times of less than 3 ticks...
139*/
140#define	MIN_TIMEOUT	3
141
142/*
143**	Generally useful constants
144*/
145#define	HALF_A_SECOND		((HZ)>>1)
146#define	A_SECOND		(HZ)
147#define	HUNDRED_HZ		((HZ/100)?(HZ/100):1)
148#define	FIFTY_HZ		((HZ/50)?(HZ/50):1)
149#define	TWENTY_HZ		((HZ/20)?(HZ/20):1)
150#define	TEN_HZ			((HZ/10)?(HZ/10):1)
151#define	FIVE_HZ			((HZ/5)?(HZ/5):1)
152#define	HUNDRED_MS		TEN_HZ
153#define	FIFTY_MS		TWENTY_HZ
154#define	TWENTY_MS		FIFTY_HZ
155#define	TEN_MS			HUNDRED_HZ
156#define	TWO_SECONDS		((A_SECOND)*2)
157#define	FIVE_SECONDS		((A_SECOND)*5)
158#define	TEN_SECONDS		((A_SECOND)*10)
159#define	FIFTEEN_SECONDS		((A_SECOND)*15)
160#define	TWENTY_SECONDS		((A_SECOND)*20)
161#define	HALF_A_MINUTE		(A_MINUTE>>1)
162#define	A_MINUTE		(A_SECOND*60)
163#define	FIVE_MINUTES		(A_MINUTE*5)
164#define	QUARTER_HOUR		(A_MINUTE*15)
165#define	HALF_HOUR		(A_MINUTE*30)
166#define	HOUR			(A_MINUTE*60)
167
168#define	SIXTEEN_MEG		0x1000000
169#define	ONE_MEG			0x100000
170#define	SIXTY_FOUR_K		0x10000
171
172#define	RIO_AT_MEM_SIZE		SIXTY_FOUR_K
173#define	RIO_EISA_MEM_SIZE	SIXTY_FOUR_K
174#define	RIO_MCA_MEM_SIZE	SIXTY_FOUR_K
175
176#define	POLL_VECTOR		0x100
177
178#define	COOK_WELL		0
179#define	COOK_MEDIUM		1
180#define	COOK_RAW		2
181
182/*
183**	Pointer manipulation stuff
184**	RIO_PTR takes hostp->Caddr and the offset into the DP RAM area
185**	and produces a UNIX caddr_t (pointer) to the object
186**	RIO_OBJ takes hostp->Caddr and a UNIX pointer to an object and
187**	returns the offset into the DP RAM area.
188*/
189#define	RIO_PTR(C,O) (((caddr_t)(C))+(0xFFFF&(O)))
190#define	RIO_OFF(C,O) ((int)(O)-(int)(C))
191
192/*
193**	How to convert from various different device number formats:
194**	DEV is a dev number, as passed to open, close etc - NOT a minor
195**	number!
196**
197**	Note:	LynxOS only gives us 8 bits for the device minor number,
198**		so all this crap here to deal with 'modem' bits etc. is
199**		just a load of irrelevant old bunkum!
200**		This however does not stop us needing to define a value
201**		for RIO_MODEMOFFSET which is required by the 'riomkdev'
202**		utility in the New Config Utilities suite.
203*/
204/* 0-511: direct 512-1023: modem */
205#define	RIO_MODEMOFFSET		0x200	/* doesn't mean anything */
206#define	RIO_MODEM_MASK		0x1FF
207#define	RIO_MODEM_BIT		0x200
208#define	RIO_UNMODEM(DEV)	(MINOR(DEV) & RIO_MODEM_MASK)
209#define	RIO_ISMODEM(DEV)	(MINOR(DEV) & RIO_MODEM_BIT)
210#define RIO_PORT(DEV,FIRST_MAJ)	( (MAJOR(DEV) - FIRST_MAJ) * PORTS_PER_HOST) \
211					+ MINOR(DEV)
212
213#define	splrio	spltty
214
215#define	RIO_IPL	5
216#define	RIO_PRI	(PZERO+10)
217#define RIO_CLOSE_PRI	PZERO-1	/* uninterruptible sleeps for close */
218
219typedef struct DbInf
220{
221	uint	Flag;
222	char	Name[8];
223} DbInf;
224
225#ifndef TRUE
226#define	TRUE (1==1)
227#endif
228#ifndef FALSE
229#define	FALSE	(!TRUE)
230#endif
231
232#define CSUM(pkt_ptr)  (((ushort *)(pkt_ptr))[0] + ((ushort *)(pkt_ptr))[1] + \
233			((ushort *)(pkt_ptr))[2] + ((ushort *)(pkt_ptr))[3] + \
234			((ushort *)(pkt_ptr))[4] + ((ushort *)(pkt_ptr))[5] + \
235			((ushort *)(pkt_ptr))[6] + ((ushort *)(pkt_ptr))[7] + \
236			((ushort *)(pkt_ptr))[8] + ((ushort *)(pkt_ptr))[9] )
237
238/*
239** This happy little macro copies SIZE bytes of data from FROM to TO
240** quite well. SIZE must be a constant.
241*/
242#define CCOPY( FROM, TO, SIZE ) { *(struct s { char data[SIZE]; } *)(TO) = *(struct s *)(FROM); }
243
244/*
245** increment a buffer pointer modulo the size of the buffer...
246*/
247#define	BUMP( P, I )	((P) = (((P)+(I)) & RIOBufferMask))
248
249#define INIT_PACKET( PK, PP ) \
250{ \
251	*((uint *)PK)    = PP->PacketInfo; \
252}
253
254#define	RIO_LINK_ENABLE	0x80FF /* FF is a hack, mainly for Mips, to        */
255			       /* prevent a really stupid race condition.  */
256
257#define	NOT_INITIALISED	0
258#define	INITIALISED	1
259
260#define	NOT_POLLING	0
261#define	POLLING		1
262
263#define	NOT_CHANGED	0
264#define	CHANGED		1
265
266#define	NOT_INUSE	0
267
268#define	DISCONNECT	0
269#define	CONNECT		1
270
271
272/*
273** Machine types - these must NOT overlap with product codes 0-15
274*/
275#define	RIO_MIPS_R3230	31
276#define	RIO_MIPS_R4030	32
277
278#define	RIO_IO_UNKNOWN	-2
279
280#undef	MODERN
281#define	ERROR( E )	do { u.u_error = E; return OPENFAIL } while ( 0 )
282
283/* Defines for MPX line discipline routines */
284
285#define DIST_LINESW_OPEN	0x01
286#define DIST_LINESW_CLOSE	0x02
287#define DIST_LINESW_READ	0x04
288#define DIST_LINESW_WRITE	0x08
289#define DIST_LINESW_IOCTL	0x10
290#define DIST_LINESW_INPUT	0x20
291#define DIST_LINESW_OUTPUT	0x40
292#define DIST_LINESW_MDMINT	0x80
293
294#endif /* __rio_h__ */