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