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/*****************************************************************************/ 25#ifndef _ISTALLION_H 26#define _ISTALLION_H 27/*****************************************************************************/ 28 29/* 30 * Define important driver constants here. 31 */ 32#define STL_MAXBRDS 4 33#define STL_MAXPANELS 4 34#define STL_MAXPORTS 64 35#define STL_MAXCHANS (STL_MAXPORTS + 1) 36#define STL_MAXDEVS (STL_MAXBRDS * STL_MAXPORTS) 37 38 39/* 40 * Define a set of structures to hold all the board/panel/port info 41 * for our ports. These will be dynamically allocated as required at 42 * driver initialization time. 43 */ 44 45/* 46 * Port and board structures to hold status info about each object. 47 * The board structure contains pointers to structures for each port 48 * connected to it. Panels are not distinguished here, since 49 * communication with the slave board will always be on a per port 50 * basis. 51 */ 52typedef struct { 53 unsigned long magic; 54 int portnr; 55 int panelnr; 56 int brdnr; 57 unsigned long state; 58 int devnr; 59 int flags; 60 int baud_base; 61 int custom_divisor; 62 int close_delay; 63 int closing_wait; 64 int refcount; 65 int openwaitcnt; 66 int rc; 67 int argsize; 68 void *argp; 69 unsigned int rxmarkmsk; 70 struct tty_struct *tty; 71 wait_queue_head_t open_wait; 72 wait_queue_head_t close_wait; 73 wait_queue_head_t raw_wait; 74 struct work_struct tqhangup; 75 asysigs_t asig; 76 unsigned long addr; 77 unsigned long rxoffset; 78 unsigned long txoffset; 79 unsigned long sigs; 80 unsigned long pflag; 81 unsigned int rxsize; 82 unsigned int txsize; 83 unsigned char reqbit; 84 unsigned char portidx; 85 unsigned char portbit; 86} stliport_t; 87 88/* 89 * Use a structure of function pointers to do board level operations. 90 * These include, enable/disable, paging shared memory, interrupting, etc. 91 */ 92typedef struct stlibrd { 93 unsigned long magic; 94 int brdnr; 95 int brdtype; 96 int state; 97 int nrpanels; 98 int nrports; 99 int nrdevs; 100 unsigned int iobase; 101 int iosize; 102 unsigned long memaddr; 103 void *membase; 104 int memsize; 105 int pagesize; 106 int hostoffset; 107 int slaveoffset; 108 int bitsize; 109 int enabval; 110 int panels[STL_MAXPANELS]; 111 int panelids[STL_MAXPANELS]; 112 void (*init)(struct stlibrd *brdp); 113 void (*enable)(struct stlibrd *brdp); 114 void (*reenable)(struct stlibrd *brdp); 115 void (*disable)(struct stlibrd *brdp); 116 char *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line); 117 void (*intr)(struct stlibrd *brdp); 118 void (*reset)(struct stlibrd *brdp); 119 stliport_t *ports[STL_MAXPORTS]; 120} stlibrd_t; 121 122 123/* 124 * Define MAGIC numbers used for above structures. 125 */ 126#define STLI_PORTMAGIC 0xe671c7a1 127#define STLI_BOARDMAGIC 0x4bc6c825 128 129/*****************************************************************************/ 130#endif 131