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Diffstat (limited to 'drivers/char/rio/port.h')
| -rw-r--r-- | drivers/char/rio/port.h | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/drivers/char/rio/port.h b/drivers/char/rio/port.h new file mode 100644 index 000000000000..8506af06aa9f --- /dev/null +++ b/drivers/char/rio/port.h @@ -0,0 +1,245 @@ +/* +** ----------------------------------------------------------------------------- +** +** 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; +}; |