| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | 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 | */ |
| 92 | typedef 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 |