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Diffstat (limited to 'drivers/char/rio/rio.h')
| -rw-r--r-- | drivers/char/rio/rio.h | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/drivers/char/rio/rio.h b/drivers/char/rio/rio.h new file mode 100644 index 00000000000..13a9931958b --- /dev/null +++ b/drivers/char/rio/rio.h @@ -0,0 +1,294 @@ +/* +** ----------------------------------------------------------------------------- +** +** 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__ */ |