source: svn/trunk/newcon3bcm2_21bu/toolchain/mips-linux-uclibc/include/linux/stallion.h

Last change on this file was 2, checked in by jglee, 11 years ago

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  • Property svn:executable set to *
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[2]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
24#include <linux/version.h>
25
26/*****************************************************************************/
27#ifndef _STALLION_H
28#define _STALLION_H
29/*****************************************************************************/
30
31/*
32 *      Define important driver constants here.
33 */
34#define STL_MAXBRDS             4
35#define STL_MAXPANELS           4
36#define STL_MAXBANKS            8
37#define STL_PORTSPERPANEL       16
38#define STL_MAXPORTS            64
39#define STL_MAXDEVS             (STL_MAXBRDS * STL_MAXPORTS)
40
41
42/*
43 *      Define a set of structures to hold all the board/panel/port info
44 *      for our ports. These will be dynamically allocated as required.
45 */
46
47/*
48 *      Define a ring queue structure for each port. This will hold the
49 *      TX data waiting to be output. Characters are fed into this buffer
50 *      from the line discipline (or even direct from user space!) and
51 *      then fed into the UARTs during interrupts. Will use a classic ring
52 *      queue here for this. The good thing about this type of ring queue
53 *      is that the head and tail pointers can be updated without interrupt
54 *      protection - since "write" code only needs to change the head, and
55 *      interrupt code only needs to change the tail.
56 */
57typedef struct {
58        char    *buf;
59        char    *head;
60        char    *tail;
61} stlrq_t;
62
63/*
64 *      Port, panel and board structures to hold status info about each.
65 *      The board structure contains pointers to structures for each panel
66 *      connected to it, and in turn each panel structure contains pointers
67 *      for each port structure for each port on that panel. Note that
68 *      the port structure also contains the board and panel number that it
69 *      is associated with, this makes it (fairly) easy to get back to the
70 *      board/panel info for a port.
71 */
72typedef struct stlport {
73        unsigned long           magic;
74        int                     portnr;
75        int                     panelnr;
76        int                     brdnr;
77        int                     ioaddr;
78        int                     uartaddr;
79        int                     pagenr;
80        long                    istate;
81        int                     flags;
82        int                     baud_base;
83        int                     custom_divisor;
84        int                     close_delay;
85        int                     closing_wait;
86        int                     refcount;
87        int                     openwaitcnt;
88        int                     brklen;
89        unsigned int            sigs;
90        unsigned int            rxignoremsk;
91        unsigned int            rxmarkmsk;
92        unsigned int            imr;
93        unsigned int            crenable;
94        unsigned long           clk;
95        unsigned long           hwid;
96        void                    *uartp;
97        struct tty_struct       *tty;
98        wait_queue_head_t       open_wait;
99        wait_queue_head_t       close_wait;
100        struct work_struct      tqueue;
101        comstats_t              stats;
102        stlrq_t                 tx;
103} stlport_t;
104
105typedef struct stlpanel {
106        unsigned long   magic;
107        int             panelnr;
108        int             brdnr;
109        int             pagenr;
110        int             nrports;
111        int             iobase;
112        void            *uartp;
113        void            (*isr)(struct stlpanel *panelp, unsigned int iobase);
114        unsigned int    hwid;
115        unsigned int    ackmask;
116        stlport_t       *ports[STL_PORTSPERPANEL];
117} stlpanel_t;
118
119typedef struct stlbrd {
120        unsigned long   magic;
121        int             brdnr;
122        int             brdtype;
123        int             state;
124        int             nrpanels;
125        int             nrports;
126        int             nrbnks;
127        int             irq;
128        int             irqtype;
129        int             (*isr)(struct stlbrd *brdp);
130        unsigned int    ioaddr1;
131        unsigned int    ioaddr2;
132        unsigned int    iosize1;
133        unsigned int    iosize2;
134        unsigned int    iostatus;
135        unsigned int    ioctrl;
136        unsigned int    ioctrlval;
137        unsigned int    hwid;
138        unsigned long   clk;
139        unsigned int    bnkpageaddr[STL_MAXBANKS];
140        unsigned int    bnkstataddr[STL_MAXBANKS];
141        stlpanel_t      *bnk2panel[STL_MAXBANKS];
142        stlpanel_t      *panels[STL_MAXPANELS];
143} stlbrd_t;
144
145
146/*
147 *      Define MAGIC numbers used for above structures.
148 */
149#define STL_PORTMAGIC   0x5a7182c9
150#define STL_PANELMAGIC  0x7ef621a1
151#define STL_BOARDMAGIC  0xa2267f52
152
153/*****************************************************************************/
154#endif
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