From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001
From: root <root@artemis.panaceas.org>
Date: Fri, 25 Dec 2015 04:40:36 +0000
Subject: initial_commit

---
 include/linux/stallion.h | 147 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 include/linux/stallion.h

(limited to 'include/linux/stallion.h')

diff --git a/include/linux/stallion.h b/include/linux/stallion.h
new file mode 100644
index 00000000..336af33c
--- /dev/null
+++ b/include/linux/stallion.h
@@ -0,0 +1,147 @@
+/*****************************************************************************/
+
+/*
+ *	stallion.h  -- stallion multiport serial driver.
+ *
+ *	Copyright (C) 1996-1998  Stallion Technologies
+ *	Copyright (C) 1994-1996  Greg Ungerer.
+ *
+ *	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	_STALLION_H
+#define	_STALLION_H
+/*****************************************************************************/
+
+/*
+ *	Define important driver constants here.
+ */
+#define	STL_MAXBRDS		4
+#define	STL_MAXPANELS		4
+#define	STL_MAXBANKS		8
+#define	STL_PORTSPERPANEL	16
+#define	STL_MAXPORTS		64
+#define	STL_MAXDEVS		(STL_MAXBRDS * STL_MAXPORTS)
+
+
+/*
+ *	Define a set of structures to hold all the board/panel/port info
+ *	for our ports. These will be dynamically allocated as required.
+ */
+
+/*
+ *	Define a ring queue structure for each port. This will hold the
+ *	TX data waiting to be output. Characters are fed into this buffer
+ *	from the line discipline (or even direct from user space!) and
+ *	then fed into the UARTs during interrupts. Will use a classic ring
+ *	queue here for this. The good thing about this type of ring queue
+ *	is that the head and tail pointers can be updated without interrupt
+ *	protection - since "write" code only needs to change the head, and
+ *	interrupt code only needs to change the tail.
+ */
+struct stlrq {
+	char	*buf;
+	char	*head;
+	char	*tail;
+};
+
+/*
+ *	Port, panel and board structures to hold status info about each.
+ *	The board structure contains pointers to structures for each panel
+ *	connected to it, and in turn each panel structure contains pointers
+ *	for each port structure for each port on that panel. Note that
+ *	the port structure also contains the board and panel number that it
+ *	is associated with, this makes it (fairly) easy to get back to the
+ *	board/panel info for a port.
+ */
+struct stlport {
+	unsigned long		magic;
+	struct tty_port		port;
+	unsigned int		portnr;
+	unsigned int		panelnr;
+	unsigned int		brdnr;
+	int			ioaddr;
+	int			uartaddr;
+	unsigned int		pagenr;
+	unsigned long		istate;
+	int			baud_base;
+	int			custom_divisor;
+	int			close_delay;
+	int			closing_wait;
+	int			openwaitcnt;
+	int			brklen;
+	unsigned int		sigs;
+	unsigned int		rxignoremsk;
+	unsigned int		rxmarkmsk;
+	unsigned int		imr;
+	unsigned int		crenable;
+	unsigned long		clk;
+	unsigned long		hwid;
+	void			*uartp;
+	comstats_t		stats;
+	struct stlrq		tx;
+};
+
+struct stlpanel {
+	unsigned long	magic;
+	unsigned int	panelnr;
+	unsigned int	brdnr;
+	unsigned int	pagenr;
+	unsigned int	nrports;
+	int		iobase;
+	void		*uartp;
+	void		(*isr)(struct stlpanel *panelp, unsigned int iobase);
+	unsigned int	hwid;
+	unsigned int	ackmask;
+	struct stlport	*ports[STL_PORTSPERPANEL];
+};
+
+struct stlbrd {
+	unsigned long	magic;
+	unsigned int	brdnr;
+	unsigned int	brdtype;
+	unsigned int	state;
+	unsigned int	nrpanels;
+	unsigned int	nrports;
+	unsigned int	nrbnks;
+	int		irq;
+	int		irqtype;
+	int		(*isr)(struct stlbrd *brdp);
+	unsigned int	ioaddr1;
+	unsigned int	ioaddr2;
+	unsigned int	iosize1;
+	unsigned int	iosize2;
+	unsigned int	iostatus;
+	unsigned int	ioctrl;
+	unsigned int	ioctrlval;
+	unsigned int	hwid;
+	unsigned long	clk;
+	unsigned int	bnkpageaddr[STL_MAXBANKS];
+	unsigned int	bnkstataddr[STL_MAXBANKS];
+	struct stlpanel	*bnk2panel[STL_MAXBANKS];
+	struct stlpanel	*panels[STL_MAXPANELS];
+};
+
+
+/*
+ *	Define MAGIC numbers used for above structures.
+ */
+#define	STL_PORTMAGIC	0x5a7182c9
+#define	STL_PANELMAGIC	0x7ef621a1
+#define	STL_BOARDMAGIC	0xa2267f52
+
+/*****************************************************************************/
+#endif
-- 
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