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 */ 52 typedef 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 long session; 70 long pgrp; 71 unsigned int rxmarkmsk; 72 struct tty_struct *tty; 73 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)) 74 struct wait_queue *open_wait; 75 struct wait_queue *close_wait; 76 struct wait_queue *raw_wait; 77 #else 78 wait_queue_head_t open_wait; 79 wait_queue_head_t close_wait; 80 wait_queue_head_t raw_wait; 81 #endif 82 struct tq_struct tqhangup; 83 struct termios normaltermios; 84 struct termios callouttermios; 85 asysigs_t asig; 86 unsigned long addr; 87 unsigned long rxoffset; 88 unsigned long txoffset; 89 unsigned long sigs; 90 unsigned long pflag; 91 unsigned int rxsize; 92 unsigned int txsize; 93 unsigned char reqbit; 94 unsigned char portidx; 95 unsigned char portbit; 96 } stliport_t; 97 98 /* 99 * Use a structure of function pointers to do board level operations. 100 * These include, enable/disable, paging shared memory, interrupting, etc. 101 */ 102 typedef struct stlibrd { 103 unsigned long magic; 104 int brdnr; 105 int brdtype; 106 int state; 107 int nrpanels; 108 int nrports; 109 int nrdevs; 110 unsigned int iobase; 111 int iosize; 112 unsigned long memaddr; 113 void *membase; 114 int memsize; 115 int pagesize; 116 int hostoffset; 117 int slaveoffset; 118 int bitsize; 119 int enabval; 120 int panels[STL_MAXPANELS]; 121 int panelids[STL_MAXPANELS]; 122 void (*init)(struct stlibrd *brdp); 123 void (*enable)(struct stlibrd *brdp); 124 void (*reenable)(struct stlibrd *brdp); 125 void (*disable)(struct stlibrd *brdp); 126 char *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line); 127 void (*intr)(struct stlibrd *brdp); 128 void (*reset)(struct stlibrd *brdp); 129 stliport_t *ports[STL_MAXPORTS]; 130 } stlibrd_t; 131 132 133 /* 134 * Define MAGIC numbers used for above structures. 135 */ 136 #define STLI_PORTMAGIC 0xe671c7a1 137 #define STLI_BOARDMAGIC 0x4bc6c825 138 139 /*****************************************************************************/ 140 #endif 141