Blame view

kernel/linux-imx6_3.14.28/include/uapi/linux/rfkill.h 3.52 KB
6b13f685e   김민수   BSP 최초 추가
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
  /*
   * Copyright (C) 2006 - 2007 Ivo van Doorn
   * Copyright (C) 2007 Dmitry Torokhov
   * Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
   *
   * Permission to use, copy, modify, and/or distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  #ifndef _UAPI__RFKILL_H
  #define _UAPI__RFKILL_H
  
  
  #include <linux/types.h>
  
  /* define userspace visible states */
  #define RFKILL_STATE_SOFT_BLOCKED	0
  #define RFKILL_STATE_UNBLOCKED		1
  #define RFKILL_STATE_HARD_BLOCKED	2
  
  /**
   * enum rfkill_type - type of rfkill switch.
   *
   * @RFKILL_TYPE_ALL: toggles all switches (requests only - not a switch type)
   * @RFKILL_TYPE_WLAN: switch is on a 802.11 wireless network device.
   * @RFKILL_TYPE_BLUETOOTH: switch is on a bluetooth device.
   * @RFKILL_TYPE_UWB: switch is on a ultra wideband device.
   * @RFKILL_TYPE_WIMAX: switch is on a WiMAX device.
   * @RFKILL_TYPE_WWAN: switch is on a wireless WAN device.
   * @RFKILL_TYPE_GPS: switch is on a GPS device.
   * @RFKILL_TYPE_FM: switch is on a FM radio device.
   * @RFKILL_TYPE_NFC: switch is on an NFC device.
   * @NUM_RFKILL_TYPES: number of defined rfkill types
   */
  enum rfkill_type {
  	RFKILL_TYPE_ALL = 0,
  	RFKILL_TYPE_WLAN,
  	RFKILL_TYPE_BLUETOOTH,
  	RFKILL_TYPE_UWB,
  	RFKILL_TYPE_WIMAX,
  	RFKILL_TYPE_WWAN,
  	RFKILL_TYPE_GPS,
  	RFKILL_TYPE_FM,
  	RFKILL_TYPE_NFC,
  	NUM_RFKILL_TYPES,
  };
  
  /**
   * enum rfkill_operation - operation types
   * @RFKILL_OP_ADD: a device was added
   * @RFKILL_OP_DEL: a device was removed
   * @RFKILL_OP_CHANGE: a device's state changed -- userspace changes one device
   * @RFKILL_OP_CHANGE_ALL: userspace changes all devices (of a type, or all)
   */
  enum rfkill_operation {
  	RFKILL_OP_ADD = 0,
  	RFKILL_OP_DEL,
  	RFKILL_OP_CHANGE,
  	RFKILL_OP_CHANGE_ALL,
  };
  
  /**
   * struct rfkill_event - events for userspace on /dev/rfkill
   * @idx: index of dev rfkill
   * @type: type of the rfkill struct
   * @op: operation code
   * @hard: hard state (0/1)
   * @soft: soft state (0/1)
   *
   * Structure used for userspace communication on /dev/rfkill,
   * used for events from the kernel and control to the kernel.
   */
  struct rfkill_event {
  	__u32 idx;
  	__u8  type;
  	__u8  op;
  	__u8  soft, hard;
  } __attribute__((packed));
  
  /*
   * We are planning to be backward and forward compatible with changes
   * to the event struct, by adding new, optional, members at the end.
   * When reading an event (whether the kernel from userspace or vice
   * versa) we need to accept anything that's at least as large as the
   * version 1 event size, but might be able to accept other sizes in
   * the future.
   *
   * One exception is the kernel -- we already have two event sizes in
   * that we've made the 'hard' member optional since our only option
   * is to ignore it anyway.
   */
  #define RFKILL_EVENT_SIZE_V1	8
  
  /* ioctl for turning off rfkill-input (if present) */
  #define RFKILL_IOC_MAGIC	'R'
  #define RFKILL_IOC_NOINPUT	1
  #define RFKILL_IOCTL_NOINPUT	_IO(RFKILL_IOC_MAGIC, RFKILL_IOC_NOINPUT)
  
  /* and that's all userspace gets */
  
  #endif /* _UAPI__RFKILL_H */