OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / include / linux / comstats.h
blob3f5ea8e8026d7dfdd8212d23cdb913c35488c4bf
1 /*****************************************************************************/
3 /*
4 * comstats.h -- Serial Port Stats.
6 * Copyright (C) 1996-1998 Stallion Technologies
7 * Copyright (C) 1994-1996 Greg Ungerer.
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.
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.
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.
24 /*****************************************************************************/
25 #ifndef _COMSTATS_H
26 #define _COMSTATS_H
27 /*****************************************************************************/
30 * Serial port stats structure. The structure itself is UART
31 * independent, but some fields may be UART/driver specific (for
32 * example state).
35 typedef struct {
36 unsigned long brd;
37 unsigned long panel;
38 unsigned long port;
39 unsigned long hwid;
40 unsigned long type;
41 unsigned long txtotal;
42 unsigned long rxtotal;
43 unsigned long txbuffered;
44 unsigned long rxbuffered;
45 unsigned long rxoverrun;
46 unsigned long rxparity;
47 unsigned long rxframing;
48 unsigned long rxlost;
49 unsigned long txbreaks;
50 unsigned long rxbreaks;
51 unsigned long txxon;
52 unsigned long txxoff;
53 unsigned long rxxon;
54 unsigned long rxxoff;
55 unsigned long txctson;
56 unsigned long txctsoff;
57 unsigned long rxrtson;
58 unsigned long rxrtsoff;
59 unsigned long modem;
60 unsigned long state;
61 unsigned long flags;
62 unsigned long ttystate;
63 unsigned long cflags;
64 unsigned long iflags;
65 unsigned long oflags;
66 unsigned long lflags;
67 unsigned long signals;
68 } comstats_t;
72 * Board stats structure. Returns useful info about the board.
75 #define COM_MAXPANELS 8
77 typedef struct {
78 unsigned long panel;
79 unsigned long type;
80 unsigned long hwid;
81 unsigned long nrports;
82 } companel_t;
84 typedef struct {
85 unsigned long brd;
86 unsigned long type;
87 unsigned long hwid;
88 unsigned long state;
89 unsigned long ioaddr;
90 unsigned long ioaddr2;
91 unsigned long memaddr;
92 unsigned long irq;
93 unsigned long nrpanels;
94 unsigned long nrports;
95 companel_t panels[COM_MAXPANELS];
96 } combrd_t;
100 * Define the ioctl operations for stats stuff.
102 #include <linux/ioctl.h>
104 #define COM_GETPORTSTATS _IO('c',30)
105 #define COM_CLRPORTSTATS _IO('c',31)
106 #define COM_GETBRDSTATS _IO('c',32)
110 * Define the set of ioctls that give user level access to the
111 * private port, panel and board structures. The argument required
112 * will be driver dependent!
114 #define COM_READPORT _IO('c',40)
115 #define COM_READBOARD _IO('c',41)
116 #define COM_READPANEL _IO('c',42)
118 /*****************************************************************************/
119 #endif