/*****************************************************************************/ /* * 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. */ #include <linux/version.h> /*****************************************************************************/ #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; 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; 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