| /*****************************************************************************/ |
| |
| /* |
| * 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 |