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diff --git a/drivers/char/rio/rio.h b/drivers/char/rio/rio.h
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+/*
+** -----------------------------------------------------------------------------
+**
+** 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)
+
+#define splrio spltty
+
+#define RIO_IPL 5
+#define RIO_PRI (PZERO+10)
+#define RIO_CLOSE_PRI PZERO-1 /* uninterruptible 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__ */