patch-2.3.99-pre7 linux/drivers/char/rio/rio.h

• Lines: 305
• Date: Wed May 10 16:56:44 2000
• Orig file: v2.3.99-pre6/linux/drivers/char/rio/rio.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.99-pre6/linux/drivers/char/rio/rio.h linux/drivers/char/rio/rio.h
@@ -0,0 +1,304 @@
+/*
+** -----------------------------------------------------------------------------
+**
+**  Perle Specialix driver for Linux
+**  Ported from existing RIO Driver for SCO sources.
+ *
+ *  (C) 1990 - 1998 Specialix International Ltd., Byfleet, Surrey, UK.
+ *
+ *      This program is free software; you can redistribute it and/or modify
+ *      it under the terms of the GNU General Public License as published by
+ *      the Free Software Foundation; either version 2 of the License, or
+ *      (at your option) any later version.
+ *
+ *      This program is distributed in the hope that it will be useful,
+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *      GNU General Public License for more details.
+ *
+ *      You should have received a copy of the GNU General Public License
+ *      along with this program; if not, write to the Free Software
+ *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+**
+**	Module		: rio.h
+**	SID		: 1.3
+**	Last Modified	: 11/6/98 11:34:13
+**	Retrieved	: 11/6/98 11:34:22
+**
+**  ident @(#)rio.h	1.3
+**
+** -----------------------------------------------------------------------------
+*/
+
+#ifndef	__rio_rio_h__
+#define	__rio_rio_h__
+
+#ifdef SCCS_LABELS
+static char *_rio_h_sccs_ = "@(#)rio.h	1.3";
+#endif
+
+/*
+** 30.09.1998 ARG -
+** Introduced driver version and host card type strings
+*/
+#define RIO_DRV_STR "Specialix RIO Driver"
+#define RIO_AT_HOST_STR "ISA"
+#define RIO_PCI_HOST_STR "PCI"
+
+
+/*
+** rio_info_store() commands (arbitary values) :
+*/
+#define RIO_INFO_PUT	0xA4B3C2D1
+#define RIO_INFO_GET	0xF1E2D3C4
+
+
+/*
+** anything that I couldn't cram in somewhere else
+*/
+/*
+#ifndef RIODEBUG
+#define debug
+#else
+#define debug rioprint
+#endif
+*/
+
+
+/*
+**	Maximum numbers of things
+*/
+#define	RIO_SLOTS	4	/* number of configuration slots */
+#define	RIO_HOSTS	4	/* number of hosts that can be found */
+#define	PORTS_PER_HOST	128	/* number of ports per host */
+#define	LINKS_PER_UNIT	4	/* number of links from a host */
+#define	RIO_PORTS	(PORTS_PER_HOST * RIO_HOSTS) /* max. no. of ports */
+#define	RTAS_PER_HOST	(MAX_RUP) /* number of RTAs per host */
+#define	PORTS_PER_RTA	(PORTS_PER_HOST/RTAS_PER_HOST)	/* ports on a rta */
+#define	PORTS_PER_MODULE 4	/* number of ports on a plug-in module */
+				/* number of modules on an RTA */
+#define	MODULES_PER_RTA	 (PORTS_PER_RTA/PORTS_PER_MODULE)
+#define MAX_PRODUCT	16	/* numbr of different product codes */
+#define MAX_MODULE_TYPES 16	/* number of different types of module */
+
+#define RIO_CONTROL_DEV	128	/* minor number of host/control device */
+#define RIO_INVALID_MAJOR 0	/* test first host card's major no for validity */
+
+/*
+** number of RTAs that can be bound to a master
+*/
+#define MAX_RTA_BINDINGS (MAX_RUP * RIO_HOSTS)
+
+/*
+**	Unit types
+*/
+#define PC_RTA16	0x90000000
+#define PC_RTA8		0xe0000000
+#define TYPE_HOST	0
+#define TYPE_RTA8	1
+#define TYPE_RTA16	2
+
+/*
+**	Flag values returned by functions
+*/
+#define	RIO_FAIL	-1
+#define	RIO_SUCCESS	0
+#define	COPYFAIL	-1	/* copy[in|out] failed */
+
+/*
+** SysPort value for something that hasn't any ports
+*/
+#define	NO_PORT	0xFFFFFFFF
+
+/*
+** Unit ID Of all hosts
+*/
+#define	HOST_ID	0
+
+/*
+** Break bytes into nybles
+*/
+#define	LONYBLE(X)	((X) & 0xF)
+#define	HINYBLE(X)	(((X)>>4) & 0xF)
+
+/*
+** Flag values passed into some functions
+*/
+#define	DONT_SLEEP	0
+#define	OK_TO_SLEEP	1
+
+#define	DONT_PRINT	1
+#define	DO_PRINT	0
+
+#define PRINT_TO_LOG_CONS	0
+#define PRINT_TO_CONS	1
+#define PRINT_TO_LOG	2
+
+/*
+** Timeout has trouble with times of less than 3 ticks...
+*/
+#define	MIN_TIMEOUT	3
+
+/*
+**	Generally useful constants
+*/
+#define	HALF_A_SECOND		((HZ)>>1)
+#define	A_SECOND		(HZ)
+#define	HUNDRED_HZ		((HZ/100)?(HZ/100):1)
+#define	FIFTY_HZ		((HZ/50)?(HZ/50):1)
+#define	TWENTY_HZ		((HZ/20)?(HZ/20):1)
+#define	TEN_HZ			((HZ/10)?(HZ/10):1)
+#define	FIVE_HZ			((HZ/5)?(HZ/5):1)
+#define	HUNDRED_MS		TEN_HZ
+#define	FIFTY_MS		TWENTY_HZ
+#define	TWENTY_MS		FIFTY_HZ
+#define	TEN_MS			HUNDRED_HZ
+#define	TWO_SECONDS		((A_SECOND)*2)
+#define	FIVE_SECONDS		((A_SECOND)*5)
+#define	TEN_SECONDS		((A_SECOND)*10)
+#define	FIFTEEN_SECONDS		((A_SECOND)*15)
+#define	TWENTY_SECONDS		((A_SECOND)*20)
+#define	HALF_A_MINUTE		(A_MINUTE>>1)
+#define	A_MINUTE		(A_SECOND*60)
+#define	FIVE_MINUTES		(A_MINUTE*5)
+#define	QUARTER_HOUR		(A_MINUTE*15)
+#define	HALF_HOUR		(A_MINUTE*30)
+#define	HOUR			(A_MINUTE*60)
+
+#define	SIXTEEN_MEG		0x1000000
+#define	ONE_MEG			0x100000
+#define	SIXTY_FOUR_K		0x10000
+
+#define	RIO_AT_MEM_SIZE		SIXTY_FOUR_K
+#define	RIO_EISA_MEM_SIZE	SIXTY_FOUR_K
+#define	RIO_MCA_MEM_SIZE	SIXTY_FOUR_K
+
+#define	POLL_VECTOR		0x100
+
+#define	COOK_WELL		0
+#define	COOK_MEDIUM		1
+#define	COOK_RAW		2
+
+/*
+**	Pointer manipulation stuff
+**	RIO_PTR takes hostp->Caddr and the offset into the DP RAM area
+**	and produces a UNIX caddr_t (pointer) to the object
+**	RIO_OBJ takes hostp->Caddr and a UNIX pointer to an object and
+**	returns the offset into the DP RAM area.
+*/
+#define	RIO_PTR(C,O) (((caddr_t)(C))+(0xFFFF&(O)))
+#define	RIO_OFF(C,O) ((int)(O)-(int)(C))
+
+/*
+**	How to convert from various different device number formats:
+**	DEV is a dev number, as passed to open, close etc - NOT a minor
+**	number!
+**
+**	Note:	LynxOS only gives us 8 bits for the device minor number,
+**		so all this crap here to deal with 'modem' bits etc. is
+**		just a load of irrelevant old bunkum!
+**		This however does not stop us needing to define a value
+**		for RIO_MODEMOFFSET which is required by the 'riomkdev'
+**		utility in the New Config Utilities suite.
+*/
+/* 0-511: direct 512-1023: modem */
+#define	RIO_MODEMOFFSET		0x200	/* doesn't mean anything */
+#define	RIO_MODEM_MASK		0x1FF
+#define	RIO_MODEM_BIT		0x200
+#define	RIO_UNMODEM(DEV)	(minor(DEV) & RIO_MODEM_MASK)
+#define	RIO_ISMODEM(DEV)	(minor(DEV) & RIO_MODEM_BIT)
+#define RIO_PORT(DEV,FIRST_MAJ)	( (major(DEV) - FIRST_MAJ) * PORTS_PER_HOST) \
+					+ minor(DEV)
+
+/*
+**	Min and Max
+*/
+#ifndef min
+#define	min(A,B)	((A)<(B)?(A):(B))
+#endif
+#ifndef max
+#define	max(A,B)	((A)>(B)?(A):(B))
+#endif
+
+#define	splrio	spltty
+
+#define	RIO_IPL	5
+#define	RIO_PRI	(PZERO+10)
+#define RIO_CLOSE_PRI	PZERO-1	/* uninteruptible sleeps for close */
+
+typedef struct DbInf
+{
+	uint	Flag;
+	char	Name[8];
+} DbInf;
+
+#ifndef TRUE
+#define	TRUE (1==1)
+#endif
+#ifndef FALSE
+#define	FALSE	(!TRUE)
+#endif
+
+#define CSUM(pkt_ptr)  (((ushort *)(pkt_ptr))[0] + ((ushort *)(pkt_ptr))[1] + \
+			((ushort *)(pkt_ptr))[2] + ((ushort *)(pkt_ptr))[3] + \
+			((ushort *)(pkt_ptr))[4] + ((ushort *)(pkt_ptr))[5] + \
+			((ushort *)(pkt_ptr))[6] + ((ushort *)(pkt_ptr))[7] + \
+			((ushort *)(pkt_ptr))[8] + ((ushort *)(pkt_ptr))[9] )
+
+/*
+** This happy little macro copies SIZE bytes of data from FROM to TO
+** quite well. SIZE must be a constant.
+*/
+#define CCOPY( FROM, TO, SIZE ) { *(struct s { char data[SIZE]; } *)(TO) = *(struct s *)(FROM); }
+
+/*
+** increment a buffer pointer modulo the size of the buffer...
+*/
+#define	BUMP( P, I )	((P) = (((P)+(I)) & RIOBufferMask))
+
+#define INIT_PACKET( PK, PP ) \
+{ \
+	*((uint *)PK)    = PP->PacketInfo; \
+}
+
+#define	RIO_LINK_ENABLE	0x80FF /* FF is a hack, mainly for Mips, to        */
+			       /* prevent a really stupid race condition.  */
+
+#define	NOT_INITIALISED	0
+#define	INITIALISED	1
+
+#define	NOT_POLLING	0
+#define	POLLING		1
+
+#define	NOT_CHANGED	0
+#define	CHANGED		1
+
+#define	NOT_INUSE	0
+
+#define	DISCONNECT	0
+#define	CONNECT		1
+
+
+/*
+** Machine types - these must NOT overlap with product codes 0-15
+*/
+#define	RIO_MIPS_R3230	31
+#define	RIO_MIPS_R4030	32
+
+#define	RIO_IO_UNKNOWN	-2
+
+#undef	MODERN
+#define	ERROR( E )	do { u.u_error = E; return OPENFAIL } while ( 0 )
+
+/* Defines for MPX line discipline routines */
+
+#define DIST_LINESW_OPEN	0x01
+#define DIST_LINESW_CLOSE	0x02
+#define DIST_LINESW_READ	0x04
+#define DIST_LINESW_WRITE	0x08
+#define DIST_LINESW_IOCTL	0x10
+#define DIST_LINESW_INPUT	0x20
+#define DIST_LINESW_OUTPUT	0x40
+#define DIST_LINESW_MDMINT	0x80
+
+#endif /* __rio_h__ */