Linux-2.6.33.2/drivers/char/rio/port.h
/*
** -----------------------------------------------------------------------------
**
** 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;
void __iomem *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 __iomem *PhbP; /* pointer to PHB for port */
u16 __iomem *TxAdd; /* Add packets here */
u16 __iomem *TxStart; /* Start of add array */
u16 __iomem *TxEnd; /* End of add array */
u16 __iomem *RxRemove; /* Remove packets here */
u16 __iomem *RxStart; /* Start of remove array */
u16 __iomem *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