istallion.h
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上传日期:2013-02-24
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- /*****************************************************************************/
- /*
- * istallion.h -- stallion intelligent multiport serial driver.
- *
- * Copyright (C) 1996-1998 Stallion Technologies (support@stallion.oz.au).
- * 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.
- */
- typedef struct {
- unsigned long magic;
- int portnr;
- int panelnr;
- int brdnr;
- unsigned long state;
- 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;
- long session;
- long pgrp;
- unsigned int rxmarkmsk;
- struct tty_struct *tty;
- #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0))
- struct wait_queue *open_wait;
- struct wait_queue *close_wait;
- struct wait_queue *raw_wait;
- #else
- wait_queue_head_t open_wait;
- wait_queue_head_t close_wait;
- wait_queue_head_t raw_wait;
- #endif
- struct tq_struct tqhangup;
- struct termios normaltermios;
- struct termios callouttermios;
- asysigs_t 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;
- } stliport_t;
- /*
- * Use a structure of function pointers to do board level operations.
- * These include, enable/disable, paging shared memory, interrupting, etc.
- */
- typedef struct stlibrd {
- unsigned long magic;
- int brdnr;
- int brdtype;
- int state;
- int nrpanels;
- int nrports;
- int nrdevs;
- unsigned int iobase;
- int iosize;
- unsigned long memaddr;
- void *membase;
- int memsize;
- int pagesize;
- int hostoffset;
- int slaveoffset;
- int bitsize;
- int enabval;
- 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);
- char *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line);
- void (*intr)(struct stlibrd *brdp);
- void (*reset)(struct stlibrd *brdp);
- stliport_t *ports[STL_MAXPORTS];
- } stlibrd_t;
- /*
- * Define MAGIC numbers used for above structures.
- */
- #define STLI_PORTMAGIC 0xe671c7a1
- #define STLI_BOARDMAGIC 0x4bc6c825
- /*****************************************************************************/
- #endif