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- /*****************************************************************************/
- /*
- * 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;
- struct tty_port port;
- unsigned int portnr;
- unsigned int panelnr;
- unsigned int brdnr;
- unsigned long state;
- unsigned int devnr;
- int baud_base;
- int custom_divisor;
- int closing_wait;
- int rc;
- int argsize;
- void *argp;
- unsigned int rxmarkmsk;
- wait_queue_head_t raw_wait;
- 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 long 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
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