OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
linux/drivers/char/rio/rio.h

295 lines
7.6 KiB
C
Raw Blame History

/*
** -----------------------------------------------------------------------------
**
** 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__ */
Reference in New Issue View Git Blame Copy Permalink