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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | /* * linux/drivers/char/riscom8.h -- RISCom/8 multiport serial driver. * * Copyright (C) 1994-1996 Dmitry Gorodchanin (pgmdsg@ibi.com) * * This code is loosely based on the Linux serial driver, written by * Linus Torvalds, Theodore T'so and others. The RISCom/8 card * programming info was obtained from various drivers for other OSes * (FreeBSD, ISC, etc), but no source code from those drivers were * directly included in this driver. * * * 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 __LINUX_RISCOM8_H #define __LINUX_RISCOM8_H #include <linux/serial.h> #ifdef __KERNEL__ #define RC_NBOARD 4 /* NOTE: RISCom decoder recognizes 16 addresses... */ #define RC_NPORT 8 #define RC_BOARD(line) (((line) >> 3) & 0x07) #define RC_PORT(line) ((line) & (RC_NPORT - 1)) /* Ticks per sec. Used for setting receiver timeout and break length */ #define RISCOM_TPS 4000 /* Yeah, after heavy testing I decided it must be 6. * Sure, You can change it if needed. */ #define RISCOM_RXFIFO 6 /* Max. receiver FIFO size (1-8) */ #define RISCOM8_MAGIC 0x0907 #define RC_IOBASE1 0x220 #define RC_IOBASE2 0x240 #define RC_IOBASE3 0x250 #define RC_IOBASE4 0x260 struct riscom_board { unsigned long flags; unsigned short base; unsigned char irq; signed char count; unsigned char DTR; }; #define RC_BOARD_PRESENT 0x00000001 #define RC_BOARD_ACTIVE 0x00000002 struct riscom_port { int magic; int baud_base; int flags; struct tty_struct * tty; int count; int blocked_open; int event; int timeout; int close_delay; long session; long pgrp; unsigned char * xmit_buf; int custom_divisor; int xmit_head; int xmit_tail; int xmit_cnt; struct termios normal_termios; struct termios callout_termios; struct wait_queue *open_wait; struct wait_queue *close_wait; struct tq_struct tqueue; struct tq_struct tqueue_hangup; short wakeup_chars; short break_length; unsigned short closing_wait; unsigned char mark_mask; unsigned char IER; unsigned char MSVR; unsigned char COR2; #ifdef RC_REPORT_OVERRUN unsigned long overrun; #endif #ifdef RC_REPORT_FIFO unsigned long hits[10]; #endif }; #endif /* __KERNEL__ */ #endif /* __LINUX_RISCOM8_H */ |