1/*****************************************************************************/ 2 3/* 4 * istallion.h -- stallion intelligent multiport serial driver. 5 * 6 * Copyright (C) 1996-1998 Stallion Technologies 7 * Copyright (C) 1994-1996 Greg Ungerer. 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 */ 23 24#include <linux/version.h> 25 26/*****************************************************************************/ 27#ifndef _ISTALLION_H 28#define _ISTALLION_H 29/*****************************************************************************/ 30 31/* 32 * Define important driver constants here. 33 */ 34#define STL_MAXBRDS 4 35#define STL_MAXPANELS 4 36#define STL_MAXPORTS 64 37#define STL_MAXCHANS (STL_MAXPORTS + 1) 38#define STL_MAXDEVS (STL_MAXBRDS * STL_MAXPORTS) 39 40 41/* 42 * Define a set of structures to hold all the board/panel/port info 43 * for our ports. These will be dynamically allocated as required at 44 * driver initialization time. 45 */ 46 47/* 48 * Port and board structures to hold status info about each object. 49 * The board structure contains pointers to structures for each port 50 * connected to it. Panels are not distinguished here, since 51 * communication with the slave board will always be on a per port 52 * basis. 53 */ 54typedef struct { 55 unsigned long magic; 56 int portnr; 57 int panelnr; 58 int brdnr; 59 unsigned long state; 60 int devnr; 61 int flags; 62 int baud_base; 63 int custom_divisor; 64 int close_delay; 65 int closing_wait; 66 int refcount; 67 int openwaitcnt; 68 int rc; 69 int argsize; 70 void *argp; 71 unsigned int rxmarkmsk; 72 struct tty_struct *tty; 73 wait_queue_head_t open_wait; 74 wait_queue_head_t close_wait; 75 wait_queue_head_t raw_wait; 76 struct work_struct tqhangup; 77 asysigs_t asig; 78 unsigned long addr; 79 unsigned long rxoffset; 80 unsigned long txoffset; 81 unsigned long sigs; 82 unsigned long pflag; 83 unsigned int rxsize; 84 unsigned int txsize; 85 unsigned char reqbit; 86 unsigned char portidx; 87 unsigned char portbit; 88} stliport_t; 89 90/* 91 * Use a structure of function pointers to do board level operations. 92 * These include, enable/disable, paging shared memory, interrupting, etc. 93 */ 94typedef struct stlibrd { 95 unsigned long magic; 96 int brdnr; 97 int brdtype; 98 int state; 99 int nrpanels; 100 int nrports; 101 int nrdevs; 102 unsigned int iobase; 103 int iosize; 104 unsigned long memaddr; 105 void *membase; 106 int memsize; 107 int pagesize; 108 int hostoffset; 109 int slaveoffset; 110 int bitsize; 111 int enabval; 112 int panels[STL_MAXPANELS]; 113 int panelids[STL_MAXPANELS]; 114 void (*init)(struct stlibrd *brdp); 115 void (*enable)(struct stlibrd *brdp); 116 void (*reenable)(struct stlibrd *brdp); 117 void (*disable)(struct stlibrd *brdp); 118 char *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line); 119 void (*intr)(struct stlibrd *brdp); 120 void (*reset)(struct stlibrd *brdp); 121 stliport_t *ports[STL_MAXPORTS]; 122} stlibrd_t; 123 124 125/* 126 * Define MAGIC numbers used for above structures. 127 */ 128#define STLI_PORTMAGIC 0xe671c7a1 129#define STLI_BOARDMAGIC 0x4bc6c825 130 131/*****************************************************************************/ 132#endif 133