[linux.git] / include / linux / stallion.h

/*****************************************************************************/

/*
 *	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
Commit	Line	Data
1da177e4 LT	1	/*****************************************************************************/
	2
	3	/*
	4	* stallion.h -- stallion 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
1da177e4 LT	24	/*****************************************************************************/
	25	#ifndef _STALLION_H
	26	#define _STALLION_H
	27	/*****************************************************************************/
	28
	29	/*
	30	* Define important driver constants here.
	31	*/
	32	#define STL_MAXBRDS 4
	33	#define STL_MAXPANELS 4
	34	#define STL_MAXBANKS 8
	35	#define STL_PORTSPERPANEL 16
	36	#define STL_MAXPORTS 64
	37	#define STL_MAXDEVS (STL_MAXBRDS * STL_MAXPORTS)
	38
	39
	40	/*
	41	* Define a set of structures to hold all the board/panel/port info
	42	* for our ports. These will be dynamically allocated as required.
	43	*/
	44
	45	/*
	46	* Define a ring queue structure for each port. This will hold the
	47	* TX data waiting to be output. Characters are fed into this buffer
	48	* from the line discipline (or even direct from user space!) and
	49	* then fed into the UARTs during interrupts. Will use a classic ring
	50	* queue here for this. The good thing about this type of ring queue
	51	* is that the head and tail pointers can be updated without interrupt
	52	* protection - since "write" code only needs to change the head, and
	53	* interrupt code only needs to change the tail.
	54	*/
ca7ed0f2	55	struct stlrq {
1da177e4 LT	56	char *buf;
	57	char *head;
	58	char *tail;
ca7ed0f2	59	};
1da177e4 LT	60
	61	/*
	62	* Port, panel and board structures to hold status info about each.
	63	* The board structure contains pointers to structures for each panel
	64	* connected to it, and in turn each panel structure contains pointers
	65	* for each port structure for each port on that panel. Note that
	66	* the port structure also contains the board and panel number that it
	67	* is associated with, this makes it (fairly) easy to get back to the
	68	* board/panel info for a port.
	69	*/
ca7ed0f2	70	struct stlport {
1da177e4	71	unsigned long magic;
f8ae4764	72	struct tty_port port;
6b2c9457 JS	73	unsigned int portnr;
	74	unsigned int panelnr;
	75	unsigned int brdnr;
1da177e4 LT	76	int ioaddr;
1da177e4 LT	77	int uartaddr;
6b2c9457	78	unsigned int pagenr;
64b33619	79	unsigned long istate;
1da177e4 LT	80	int baud_base;
	81	int custom_divisor;
	82	int close_delay;
	83	int closing_wait;
1da177e4 LT	84	int openwaitcnt;
	85	int brklen;
	86	unsigned int sigs;
	87	unsigned int rxignoremsk;
	88	unsigned int rxmarkmsk;
	89	unsigned int imr;
	90	unsigned int crenable;
	91	unsigned long clk;
	92	unsigned long hwid;
	93	void *uartp;
1da177e4	94	comstats_t stats;
ca7ed0f2 JS	95	struct stlrq tx;
ca7ed0f2 JS	96	};
1da177e4	97
ca7ed0f2	98	struct stlpanel {
1da177e4	99	unsigned long magic;
6b2c9457 JS	100	unsigned int panelnr;
	101	unsigned int brdnr;
	102	unsigned int pagenr;
	103	unsigned int nrports;
1da177e4 LT	104	int iobase;
	105	void *uartp;
	106	void (isr)(struct stlpanel panelp, unsigned int iobase);
	107	unsigned int hwid;
	108	unsigned int ackmask;
ca7ed0f2 JS	109	struct stlport *ports[STL_PORTSPERPANEL];
ca7ed0f2 JS	110	};
1da177e4	111
ca7ed0f2	112	struct stlbrd {
1da177e4	113	unsigned long magic;
6b2c9457 JS	114	unsigned int brdnr;
	115	unsigned int brdtype;
	116	unsigned int state;
	117	unsigned int nrpanels;
	118	unsigned int nrports;
	119	unsigned int nrbnks;
1da177e4 LT	120	int irq;
	121	int irqtype;
	122	int (isr)(struct stlbrd brdp);
	123	unsigned int ioaddr1;
	124	unsigned int ioaddr2;
	125	unsigned int iosize1;
	126	unsigned int iosize2;
	127	unsigned int iostatus;
	128	unsigned int ioctrl;
	129	unsigned int ioctrlval;
	130	unsigned int hwid;
	131	unsigned long clk;
	132	unsigned int bnkpageaddr[STL_MAXBANKS];
	133	unsigned int bnkstataddr[STL_MAXBANKS];
ca7ed0f2 JS	134	struct stlpanel *bnk2panel[STL_MAXBANKS];
	135	struct stlpanel *panels[STL_MAXPANELS];
	136	};
1da177e4 LT	137
	138
	139	/*
	140	* Define MAGIC numbers used for above structures.
	141	*/
	142	#define STL_PORTMAGIC 0x5a7182c9
	143	#define STL_PANELMAGIC 0x7ef621a1
	144	#define STL_BOARDMAGIC 0xa2267f52
	145
	146	/*****************************************************************************/
	147	#endif