You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
245 lines
8.1 KiB
245 lines
8.1 KiB
/*
|
|
** -----------------------------------------------------------------------------
|
|
**
|
|
** Perle Specialix driver for Linux
|
|
** Ported from existing RIO Driver for SCO sources.
|
|
*
|
|
* (C) 1990 - 2000 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 : port.h
|
|
** SID : 1.3
|
|
** Last Modified : 11/6/98 11:34:12
|
|
** Retrieved : 11/6/98 11:34:21
|
|
**
|
|
** ident @(#)port.h 1.3
|
|
**
|
|
** -----------------------------------------------------------------------------
|
|
*/
|
|
|
|
#ifndef __rio_port_h__
|
|
#define __rio_port_h__
|
|
|
|
#ifdef SCCS_LABELS
|
|
static char *_port_h_sccs_ = "@(#)port.h 1.3";
|
|
#endif
|
|
|
|
|
|
#undef VPIX
|
|
|
|
|
|
/*
|
|
** the port data structure - one per port in the system
|
|
*/
|
|
|
|
#ifdef STATS
|
|
struct RIOStats
|
|
{
|
|
/*
|
|
** interrupt statistics
|
|
*/
|
|
uint BreakIntCnt;
|
|
uint ModemOffCnt;
|
|
uint ModemOnCnt;
|
|
uint RxIntCnt;
|
|
uint TxIntCnt;
|
|
/*
|
|
** throughput statistics
|
|
*/
|
|
uint RxCharCnt;
|
|
uint RxPktCnt;
|
|
uint RxSaveCnt;
|
|
uint TxCharCnt;
|
|
uint TxPktCnt;
|
|
/*
|
|
** driver entry statistics
|
|
*/
|
|
uint CloseCnt;
|
|
uint IoctlCnt;
|
|
uint OpenCnt;
|
|
uint ReadCnt;
|
|
uint WriteCnt;
|
|
/*
|
|
** proc statistics
|
|
*/
|
|
uint BlockCnt;
|
|
uint OutputCnt;
|
|
uint ResumeCnt;
|
|
uint RflushCnt;
|
|
uint SuspendCnt;
|
|
uint TbreakCnt;
|
|
uint TimeoutCnt;
|
|
uint UnblockCnt;
|
|
uint WflushCnt;
|
|
uint WFBodgeCnt;
|
|
};
|
|
#endif
|
|
|
|
/*
|
|
** Port data structure
|
|
*/
|
|
struct Port
|
|
{
|
|
struct gs_port gs;
|
|
int PortNum; /* RIO port no., 0-511 */
|
|
struct Host *HostP;
|
|
volatile caddr_t Caddr;
|
|
ushort HostPort; /* Port number on host card */
|
|
uchar RupNum; /* Number of RUP for port */
|
|
uchar ID2; /* Second ID of RTA for port */
|
|
ulong State; /* FLAGS for open & xopen */
|
|
#define RIO_LOPEN 0x00001 /* Local open */
|
|
#define RIO_MOPEN 0x00002 /* Modem open */
|
|
#define RIO_WOPEN 0x00004 /* Waiting for open */
|
|
#define RIO_CLOSING 0x00008 /* The port is being close */
|
|
#define RIO_XPBUSY 0x00010 /* Transparent printer busy */
|
|
#define RIO_BREAKING 0x00020 /* Break in progress */
|
|
#define RIO_DIRECT 0x00040 /* Doing Direct output */
|
|
#define RIO_EXCLUSIVE 0x00080 /* Stream open for exclusive use */
|
|
#define RIO_NDELAY 0x00100 /* Stream is open FNDELAY */
|
|
#define RIO_CARR_ON 0x00200 /* Stream has carrier present */
|
|
#define RIO_XPWANTR 0x00400 /* Stream wanted by Xprint */
|
|
#define RIO_RBLK 0x00800 /* Stream is read-blocked */
|
|
#define RIO_BUSY 0x01000 /* Stream is BUSY for write */
|
|
#define RIO_TIMEOUT 0x02000 /* Stream timeout in progress */
|
|
#define RIO_TXSTOP 0x04000 /* Stream output is stopped */
|
|
#define RIO_WAITFLUSH 0x08000 /* Stream waiting for flush */
|
|
#define RIO_DYNOROD 0x10000 /* Drain failed */
|
|
#define RIO_DELETED 0x20000 /* RTA has been deleted */
|
|
#define RIO_ISSCANCODE 0x40000 /* This line is in scancode mode */
|
|
#define RIO_USING_EUC 0x100000 /* Using extended Unix chars */
|
|
#define RIO_CAN_COOK 0x200000 /* This line can do cooking */
|
|
#define RIO_TRIAD_MODE 0x400000 /* Enable TRIAD special ops. */
|
|
#define RIO_TRIAD_BLOCK 0x800000 /* Next read will block */
|
|
#define RIO_TRIAD_FUNC 0x1000000 /* Seen a function key coming in */
|
|
#define RIO_THROTTLE_RX 0x2000000 /* RX needs to be throttled. */
|
|
|
|
ulong Config; /* FLAGS for NOREAD.... */
|
|
#define RIO_NOREAD 0x0001 /* Are not allowed to read port */
|
|
#define RIO_NOWRITE 0x0002 /* Are not allowed to write port */
|
|
#define RIO_NOXPRINT 0x0004 /* Are not allowed to xprint port */
|
|
#define RIO_NOMASK 0x0007 /* All not allowed things */
|
|
#define RIO_IXANY 0x0008 /* Port is allowed ixany */
|
|
#define RIO_MODEM 0x0010 /* Stream is a modem device */
|
|
#define RIO_IXON 0x0020 /* Port is allowed ixon */
|
|
#define RIO_WAITDRAIN 0x0040 /* Wait for port to completely drain */
|
|
#define RIO_MAP_50_TO_50 0x0080 /* Map 50 baud to 50 baud */
|
|
#define RIO_MAP_110_TO_110 0x0100 /* Map 110 baud to 110 baud */
|
|
|
|
/*
|
|
** 15.10.1998 ARG - ESIL 0761 prt fix
|
|
** As LynxOS does not appear to support Hardware Flow Control .....
|
|
** Define our own flow control flags in 'Config'.
|
|
*/
|
|
#define RIO_CTSFLOW 0x0200 /* RIO's own CTSFLOW flag */
|
|
#define RIO_RTSFLOW 0x0400 /* RIO's own RTSFLOW flag */
|
|
|
|
|
|
struct PHB *PhbP; /* pointer to PHB for port */
|
|
WORD *TxAdd; /* Add packets here */
|
|
WORD *TxStart; /* Start of add array */
|
|
WORD *TxEnd; /* End of add array */
|
|
WORD *RxRemove; /* Remove packets here */
|
|
WORD *RxStart; /* Start of remove array */
|
|
WORD *RxEnd; /* End of remove array */
|
|
uint RtaUniqueNum; /* Unique number of RTA */
|
|
ushort PortState; /* status of port */
|
|
ushort ModemState; /* status of modem lines */
|
|
ulong ModemLines; /* Modem bits sent to RTA */
|
|
uchar CookMode; /* who expands CR/LF? */
|
|
uchar ParamSem; /* Prevent write during param */
|
|
uchar Mapped; /* if port mapped onto host */
|
|
uchar SecondBlock; /* if port belongs to 2nd block
|
|
of 16 port RTA */
|
|
uchar InUse; /* how many pre-emptive cmds */
|
|
uchar Lock; /* if params locked */
|
|
uchar Store; /* if params stored across closes */
|
|
uchar FirstOpen; /* TRUE if first time port opened */
|
|
uchar FlushCmdBodge; /* if doing a (non)flush */
|
|
uchar MagicFlags; /* require intr processing */
|
|
#define MAGIC_FLUSH 0x01 /* mirror of WflushFlag */
|
|
#define MAGIC_REBOOT 0x02 /* RTA re-booted, re-open ports */
|
|
#define MORE_OUTPUT_EYGOR 0x04 /* riotproc failed to empty clists */
|
|
uchar WflushFlag; /* 1 How many WFLUSHs active */
|
|
/*
|
|
** Transparent print stuff
|
|
*/
|
|
struct Xprint
|
|
{
|
|
#ifndef MAX_XP_CTRL_LEN
|
|
#define MAX_XP_CTRL_LEN 16 /* ALSO IN DAEMON.H */
|
|
#endif
|
|
uint XpCps;
|
|
char XpOn[MAX_XP_CTRL_LEN];
|
|
char XpOff[MAX_XP_CTRL_LEN];
|
|
ushort XpLen; /* strlen(XpOn)+strlen(XpOff) */
|
|
uchar XpActive;
|
|
uchar XpLastTickOk; /* TRUE if we can process */
|
|
#define XP_OPEN 00001
|
|
#define XP_RUNABLE 00002
|
|
struct ttystatics *XttyP;
|
|
} Xprint;
|
|
#ifdef VPIX
|
|
v86_t *StashP;
|
|
uint IntMask;
|
|
struct termss VpixSs;
|
|
uchar ModemStatusReg; /* Modem status register */
|
|
#endif
|
|
uchar RxDataStart;
|
|
uchar Cor2Copy; /* copy of COR2 */
|
|
char *Name; /* points to the Rta's name */
|
|
#ifdef STATS
|
|
struct RIOStats Stat; /* ports statistics */
|
|
#endif
|
|
char *TxRingBuffer;
|
|
ushort TxBufferIn; /* New data arrives here */
|
|
ushort TxBufferOut; /* Intr removes data here */
|
|
ushort OldTxBufferOut; /* Indicates if draining */
|
|
int TimeoutId; /* Timeout ID */
|
|
uint Debug;
|
|
uchar WaitUntilBooted; /* True if open should block */
|
|
uint statsGather; /* True if gathering stats */
|
|
ulong txchars; /* Chars transmitted */
|
|
ulong rxchars; /* Chars received */
|
|
ulong opens; /* port open count */
|
|
ulong closes; /* port close count */
|
|
ulong ioctls; /* ioctl count */
|
|
uchar LastRxTgl; /* Last state of rx toggle bit */
|
|
spinlock_t portSem; /* Lock using this sem */
|
|
int MonitorTstate; /* Monitoring ? */
|
|
int timeout_id; /* For calling 100 ms delays */
|
|
int timeout_sem;/* For calling 100 ms delays */
|
|
int firstOpen; /* First time open ? */
|
|
char * p; /* save the global struc here .. */
|
|
};
|
|
|
|
struct ModuleInfo
|
|
{
|
|
char *Name;
|
|
uint Flags[4]; /* one per port on a module */
|
|
};
|
|
#endif
|
|
|
|
/*
|
|
** This struct is required because trying to grab an entire Port structure
|
|
** runs into problems with differing struct sizes between driver and config.
|
|
*/
|
|
struct PortParams {
|
|
uint Port;
|
|
ulong Config;
|
|
ulong State;
|
|
struct ttystatics *TtyP;
|
|
};
|
|
|