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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__ */