patch-2.1.70 linux/drivers/char/specialix_io8.h

• Lines: 147
• Date: Tue Dec 2 09:19:03 1997
• Orig file: v2.1.69/linux/drivers/char/specialix_io8.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.69/linux/drivers/char/specialix_io8.h linux/drivers/char/specialix_io8.h
@@ -0,0 +1,146 @@
+/*
+ *      linux/drivers/char/specialix_io8.h  -- 
+ *                                   Specialix IO8+ multiport serial driver.
+ *
+ *      Copyright (C) 1997 Roger Wolff (R.E.Wolff@BitWizard.nl)
+ *      Copyright (C) 1994-1996  Dmitry Gorodchanin (begemot@bgm.rosprint.net)
+ *
+ *
+ *      Specialix pays for the development and support of this driver.
+ *      Please DO contact io8-linux@specialix.co.uk if you require
+ *      support.
+ *
+ *      This driver was developped in the BitWizard linux device
+ *      driver service. If you require a linux device driver for your
+ *      product, please contact devices@BitWizard.nl for a quote.
+ *
+ *      This code is firmly based on the riscom/8 serial driver,
+ *      written by Dmitry Gorodchanin. The specialix IO8+ card
+ *      programming information was obtained from the CL-CD1865 Data
+ *      Book, and Specialix document number 6200059: IO8+ Hardware
+ *      Functional Specification.
+ *
+ *      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_SPECIALIX_H
+#define __LINUX_SPECIALIX_H
+
+#include <linux/serial.h>
+
+#ifdef __KERNEL__
+
+#define SX_NBOARD		4
+/* NOTE: Specialix decoder recognizes 4 addresses, but only two are used.... */
+#define SX_IO_SPACE             4
+/* eight ports per board. */
+#define SX_NPORT        	8
+#define SX_BOARD(line)		((line) / SX_NPORT)
+#define SX_PORT(line)		((line) & (SX_NPORT - 1))
+
+
+#define SX_DATA_REG 0     /* Base+0 : Data register */
+#define SX_ADDR_REG 1     /* base+1 : Address register. */
+
+#define MHz *1000000	/* I'm ashamed of myself. */
+
+/* On-board oscillator frequency */
+#define SX_OSCFREQ      (25 MHz/2)
+/* There is a 25MHz crystal on the board, but the chip is in /2 mode */
+
+
+/* Ticks per sec. Used for setting receiver timeout and break length */
+#define SPECIALIX_TPS		4000
+
+/* Yeah, after heavy testing I decided it must be 6.
+ * Sure, You can change it if needed.
+ */
+#define SPECIALIX_RXFIFO	6	/* Max. receiver FIFO size (1-8) */
+
+#define SPECIALIX_MAGIC		0x0907
+
+#define SX_CCR_TIMEOUT 10000   /* CCR timeout. You may need to wait upto
+                                  10 milliseconds before the internal
+                                  processor is available again after
+                                  you give it a command */
+
+#define SX_IOBASE1	0x100
+#define SX_IOBASE2	0x180
+#define SX_IOBASE3	0x250
+#define SX_IOBASE4	0x260
+
+struct specialix_board {
+	unsigned long   flags;
+	unsigned short	base;
+	unsigned char 	irq;
+	signed   char	count;
+	unsigned char	DTR;
+        int reg;
+};
+
+#define SX_BOARD_PRESENT	0x00000001
+#define SX_BOARD_ACTIVE		0x00000002
+
+
+struct specialix_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 SX_REPORT_OVERRUN
+	unsigned long		overrun;
+#endif	
+#ifdef SX_REPORT_FIFO
+	unsigned long		hits[10];
+#endif
+};
+
+#endif /* __KERNEL__ */
+#endif /* __LINUX_SPECIALIX_H */
+
+
+
+
+
+
+
+
+