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Diffstat (limited to 'include/linux/istallion.h')
| -rw-r--r-- | include/linux/istallion.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/include/linux/istallion.h b/include/linux/istallion.h new file mode 100644 index 000000000000..5f4ee646c119 --- /dev/null +++ b/include/linux/istallion.h @@ -0,0 +1,132 @@ +/*****************************************************************************/ + +/* + * 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 |