aboutsummaryrefslogtreecommitdiff
path: root/drivers/char/riscom8.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/riscom8.h')
-rw-r--r--drivers/char/riscom8.h102
1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/char/riscom8.h b/drivers/char/riscom8.h
new file mode 100644
index 00000000000..6317aade201
--- /dev/null
+++ b/drivers/char/riscom8.h
@@ -0,0 +1,102 @@
+/*
+ * 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;
+ long event; /* long req'd for set_bit --RR */
+ int timeout;
+ int close_delay;
+ unsigned char * xmit_buf;
+ int custom_divisor;
+ int xmit_head;
+ int xmit_tail;
+ int xmit_cnt;
+ wait_queue_head_t open_wait;
+ wait_queue_head_t close_wait;
+ struct work_struct tqueue;
+ struct work_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 */