| /* |
| ** ----------------------------------------------------------------------------- |
| ** |
| ** 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__ |
| |
| /* |
| ** Port data structure |
| */ |
| struct Port { |
| struct gs_port gs; |
| int PortNum; /* RIO port no., 0-511 */ |
| struct Host *HostP; |
| volatile caddr_t Caddr; |
| unsigned short HostPort; /* Port number on host card */ |
| unsigned char RupNum; /* Number of RUP for port */ |
| unsigned char ID2; /* Second ID of RTA for port */ |
| unsigned long 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. */ |
| |
| unsigned long 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 */ |
| u16 *TxAdd; /* Add packets here */ |
| u16 *TxStart; /* Start of add array */ |
| u16 *TxEnd; /* End of add array */ |
| u16 *RxRemove; /* Remove packets here */ |
| u16 *RxStart; /* Start of remove array */ |
| u16 *RxEnd; /* End of remove array */ |
| unsigned int RtaUniqueNum; /* Unique number of RTA */ |
| unsigned short PortState; /* status of port */ |
| unsigned short ModemState; /* status of modem lines */ |
| unsigned long ModemLines; /* Modem bits sent to RTA */ |
| unsigned char CookMode; /* who expands CR/LF? */ |
| unsigned char ParamSem; /* Prevent write during param */ |
| unsigned char Mapped; /* if port mapped onto host */ |
| unsigned char SecondBlock; /* if port belongs to 2nd block |
| of 16 port RTA */ |
| unsigned char InUse; /* how many pre-emptive cmds */ |
| unsigned char Lock; /* if params locked */ |
| unsigned char Store; /* if params stored across closes */ |
| unsigned char FirstOpen; /* TRUE if first time port opened */ |
| unsigned char FlushCmdBodge; /* if doing a (non)flush */ |
| unsigned char 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 */ |
| unsigned char 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 |
| unsigned int XpCps; |
| char XpOn[MAX_XP_CTRL_LEN]; |
| char XpOff[MAX_XP_CTRL_LEN]; |
| unsigned short XpLen; /* strlen(XpOn)+strlen(XpOff) */ |
| unsigned char XpActive; |
| unsigned char XpLastTickOk; /* TRUE if we can process */ |
| #define XP_OPEN 00001 |
| #define XP_RUNABLE 00002 |
| struct ttystatics *XttyP; |
| } Xprint; |
| unsigned char RxDataStart; |
| unsigned char Cor2Copy; /* copy of COR2 */ |
| char *Name; /* points to the Rta's name */ |
| char *TxRingBuffer; |
| unsigned short TxBufferIn; /* New data arrives here */ |
| unsigned short TxBufferOut; /* Intr removes data here */ |
| unsigned short OldTxBufferOut; /* Indicates if draining */ |
| int TimeoutId; /* Timeout ID */ |
| unsigned int Debug; |
| unsigned char WaitUntilBooted; /* True if open should block */ |
| unsigned int statsGather; /* True if gathering stats */ |
| unsigned long txchars; /* Chars transmitted */ |
| unsigned long rxchars; /* Chars received */ |
| unsigned long opens; /* port open count */ |
| unsigned long closes; /* port close count */ |
| unsigned long ioctls; /* ioctl count */ |
| unsigned char 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; |
| unsigned int Flags[4]; /* one per port on a module */ |
| }; |
| |
| /* |
| ** 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 { |
| unsigned int Port; |
| unsigned long Config; |
| unsigned long State; |
| struct ttystatics *TtyP; |
| }; |
| |
| #endif |
