131 lines
3.7 KiB
C
131 lines
3.7 KiB
C
/*****************************************************************************/
|
|
|
|
/*
|
|
* istallion.h -- stallion intelligent multiport serial driver.
|
|
*
|
|
* Copyright (C) 1996-1998 Stallion Technologies
|
|
* Copyright (C) 1994-1996 Greg Ungerer.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*****************************************************************************/
|
|
#ifndef _ISTALLION_H
|
|
#define _ISTALLION_H
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Define important driver constants here.
|
|
*/
|
|
#define STL_MAXBRDS 4
|
|
#define STL_MAXPANELS 4
|
|
#define STL_MAXPORTS 64
|
|
#define STL_MAXCHANS (STL_MAXPORTS + 1)
|
|
#define STL_MAXDEVS (STL_MAXBRDS * STL_MAXPORTS)
|
|
|
|
|
|
/*
|
|
* Define a set of structures to hold all the board/panel/port info
|
|
* for our ports. These will be dynamically allocated as required at
|
|
* driver initialization time.
|
|
*/
|
|
|
|
/*
|
|
* Port and board structures to hold status info about each object.
|
|
* The board structure contains pointers to structures for each port
|
|
* connected to it. Panels are not distinguished here, since
|
|
* communication with the slave board will always be on a per port
|
|
* basis.
|
|
*/
|
|
struct stliport {
|
|
unsigned long magic;
|
|
unsigned int portnr;
|
|
unsigned int panelnr;
|
|
unsigned int brdnr;
|
|
unsigned long state;
|
|
unsigned int devnr;
|
|
int flags;
|
|
int baud_base;
|
|
int custom_divisor;
|
|
int close_delay;
|
|
int closing_wait;
|
|
int refcount;
|
|
int openwaitcnt;
|
|
int rc;
|
|
int argsize;
|
|
void *argp;
|
|
unsigned int rxmarkmsk;
|
|
struct tty_struct *tty;
|
|
wait_queue_head_t open_wait;
|
|
wait_queue_head_t close_wait;
|
|
wait_queue_head_t raw_wait;
|
|
struct work_struct tqhangup;
|
|
struct asysigs asig;
|
|
unsigned long addr;
|
|
unsigned long rxoffset;
|
|
unsigned long txoffset;
|
|
unsigned long sigs;
|
|
unsigned long pflag;
|
|
unsigned int rxsize;
|
|
unsigned int txsize;
|
|
unsigned char reqbit;
|
|
unsigned char portidx;
|
|
unsigned char portbit;
|
|
};
|
|
|
|
/*
|
|
* Use a structure of function pointers to do board level operations.
|
|
* These include, enable/disable, paging shared memory, interrupting, etc.
|
|
*/
|
|
struct stlibrd {
|
|
unsigned long magic;
|
|
unsigned int brdnr;
|
|
unsigned int brdtype;
|
|
unsigned int state;
|
|
unsigned int nrpanels;
|
|
unsigned int nrports;
|
|
unsigned int nrdevs;
|
|
unsigned int iobase;
|
|
int iosize;
|
|
unsigned long memaddr;
|
|
void __iomem *membase;
|
|
unsigned long memsize;
|
|
int pagesize;
|
|
int hostoffset;
|
|
int slaveoffset;
|
|
int bitsize;
|
|
int enabval;
|
|
unsigned int panels[STL_MAXPANELS];
|
|
int panelids[STL_MAXPANELS];
|
|
void (*init)(struct stlibrd *brdp);
|
|
void (*enable)(struct stlibrd *brdp);
|
|
void (*reenable)(struct stlibrd *brdp);
|
|
void (*disable)(struct stlibrd *brdp);
|
|
void __iomem *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line);
|
|
void (*intr)(struct stlibrd *brdp);
|
|
void (*reset)(struct stlibrd *brdp);
|
|
struct stliport *ports[STL_MAXPORTS];
|
|
};
|
|
|
|
|
|
/*
|
|
* Define MAGIC numbers used for above structures.
|
|
*/
|
|
#define STLI_PORTMAGIC 0xe671c7a1
|
|
#define STLI_BOARDMAGIC 0x4bc6c825
|
|
|
|
/*****************************************************************************/
|
|
#endif
|