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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-03-23 07:06:43 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-03-23 07:06:43 -0400
commit7483d45f0aee3afc0646d185cabd4af9f6cab58c (patch)
treea312f7d77c34748bec62f0431df33007b10e4e7f /include/linux/sysdev.h
parent3e85fc1b9fc1c7e20b9a01f2314bb633bb10501a (diff)
parentf92c97c8bd77992ff8bd6ef29a23dc82dca799cb (diff)
Merge branch 'staging/for_v3.4' into v4l_for_linus
* staging/for_v3.4: (10117 commits) [media] update CARDLIST.em28xx [media] partially reverts changeset fa5527c [media] stb0899: fix the limits for signal strength values [media] em28xx: support for 2304:0242 PCTV QuatroStick (510e) [media] em28xx: support for 2013:0251 PCTV QuatroStick nano (520e) [media] -EINVAL -> -ENOTTY [media] gspca - sn9c20x: Cleanup source [media] gspca - sn9c20x: Simplify register write for capture start/stop [media] gspca - sn9c20x: Add automatic JPEG compression mechanism [media] gspca - sn9c20x: Greater delay in case of sensor no response [media] gspca - sn9c20x: Optimize the code of write sequences [media] gspca - sn9c20x: Add the JPEG compression quality control [media] gspca - sn9c20x: Add a delay after Omnivision sensor reset [media] gspca - sn9c20x: Propagate USB errors to higher level [media] gspca - sn9c20x: Use the new video control mechanism [media] gspca - sn9c20x: Fix loss of frame start [media] gspca - zc3xx: Lack of register 08 value for sensor cs2102k [media] gspca - ov534_9: Add brightness to OmniVision 5621 sensor [media] gspca - zc3xx: Add V4L2_CID_JPEG_COMPRESSION_QUALITY control support [media] pvrusb2: fix 7MHz & 8MHz DVB-T tuner support for HVR1900 rev D1F5 ...
Diffstat (limited to 'include/linux/sysdev.h')
-rw-r--r--include/linux/sysdev.h164
1 files changed, 0 insertions, 164 deletions
diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h
deleted file mode 100644
index 20f63d3e6144..000000000000
--- a/include/linux/sysdev.h
+++ /dev/null
@@ -1,164 +0,0 @@
1/**
2 * System devices follow a slightly different driver model.
3 * They don't need to do dynammic driver binding, can't be probed,
4 * and don't reside on any type of peripheral bus.
5 * So, we represent and treat them a little differently.
6 *
7 * We still have a notion of a driver for a system device, because we still
8 * want to perform basic operations on these devices.
9 *
10 * We also support auxiliary drivers binding to devices of a certain class.
11 *
12 * This allows configurable drivers to register themselves for devices of
13 * a certain type. And, it allows class definitions to reside in generic
14 * code while arch-specific code can register specific drivers.
15 *
16 * Auxiliary drivers registered with a NULL cls are registered as drivers
17 * for all system devices, and get notification calls for each device.
18 */
19
20
21#ifndef _SYSDEV_H_
22#define _SYSDEV_H_
23
24#include <linux/kobject.h>
25#include <linux/pm.h>
26
27
28struct sys_device;
29struct sysdev_class_attribute;
30
31struct sysdev_class {
32 const char *name;
33 struct list_head drivers;
34 struct sysdev_class_attribute **attrs;
35 struct kset kset;
36};
37
38struct sysdev_class_attribute {
39 struct attribute attr;
40 ssize_t (*show)(struct sysdev_class *, struct sysdev_class_attribute *,
41 char *);
42 ssize_t (*store)(struct sysdev_class *, struct sysdev_class_attribute *,
43 const char *, size_t);
44};
45
46#define _SYSDEV_CLASS_ATTR(_name,_mode,_show,_store) \
47{ \
48 .attr = {.name = __stringify(_name), .mode = _mode }, \
49 .show = _show, \
50 .store = _store, \
51}
52
53#define SYSDEV_CLASS_ATTR(_name,_mode,_show,_store) \
54 struct sysdev_class_attribute attr_##_name = \
55 _SYSDEV_CLASS_ATTR(_name,_mode,_show,_store)
56
57
58extern int sysdev_class_register(struct sysdev_class *);
59extern void sysdev_class_unregister(struct sysdev_class *);
60
61extern int sysdev_class_create_file(struct sysdev_class *,
62 struct sysdev_class_attribute *);
63extern void sysdev_class_remove_file(struct sysdev_class *,
64 struct sysdev_class_attribute *);
65/**
66 * Auxiliary system device drivers.
67 */
68
69struct sysdev_driver {
70 struct list_head entry;
71 int (*add)(struct sys_device *);
72 int (*remove)(struct sys_device *);
73};
74
75
76extern int sysdev_driver_register(struct sysdev_class *, struct sysdev_driver *);
77extern void sysdev_driver_unregister(struct sysdev_class *, struct sysdev_driver *);
78
79
80/**
81 * sys_devices can be simplified a lot from regular devices, because they're
82 * simply not as versatile.
83 */
84
85struct sys_device {
86 u32 id;
87 struct sysdev_class * cls;
88 struct kobject kobj;
89};
90
91extern int sysdev_register(struct sys_device *);
92extern void sysdev_unregister(struct sys_device *);
93
94
95struct sysdev_attribute {
96 struct attribute attr;
97 ssize_t (*show)(struct sys_device *, struct sysdev_attribute *, char *);
98 ssize_t (*store)(struct sys_device *, struct sysdev_attribute *,
99 const char *, size_t);
100};
101
102
103#define _SYSDEV_ATTR(_name, _mode, _show, _store) \
104{ \
105 .attr = { .name = __stringify(_name), .mode = _mode }, \
106 .show = _show, \
107 .store = _store, \
108}
109
110#define SYSDEV_ATTR(_name, _mode, _show, _store) \
111 struct sysdev_attribute attr_##_name = \
112 _SYSDEV_ATTR(_name, _mode, _show, _store);
113
114extern int sysdev_create_file(struct sys_device *, struct sysdev_attribute *);
115extern void sysdev_remove_file(struct sys_device *, struct sysdev_attribute *);
116
117/* Create/remove NULL terminated attribute list */
118static inline int
119sysdev_create_files(struct sys_device *d, struct sysdev_attribute **a)
120{
121 return sysfs_create_files(&d->kobj, (const struct attribute **)a);
122}
123
124static inline void
125sysdev_remove_files(struct sys_device *d, struct sysdev_attribute **a)
126{
127 return sysfs_remove_files(&d->kobj, (const struct attribute **)a);
128}
129
130struct sysdev_ext_attribute {
131 struct sysdev_attribute attr;
132 void *var;
133};
134
135/*
136 * Support for simple variable sysdev attributes.
137 * The pointer to the variable is stored in a sysdev_ext_attribute
138 */
139
140/* Add more types as needed */
141
142extern ssize_t sysdev_show_ulong(struct sys_device *, struct sysdev_attribute *,
143 char *);
144extern ssize_t sysdev_store_ulong(struct sys_device *,
145 struct sysdev_attribute *, const char *, size_t);
146extern ssize_t sysdev_show_int(struct sys_device *, struct sysdev_attribute *,
147 char *);
148extern ssize_t sysdev_store_int(struct sys_device *,
149 struct sysdev_attribute *, const char *, size_t);
150
151#define _SYSDEV_ULONG_ATTR(_name, _mode, _var) \
152 { _SYSDEV_ATTR(_name, _mode, sysdev_show_ulong, sysdev_store_ulong), \
153 &(_var) }
154#define SYSDEV_ULONG_ATTR(_name, _mode, _var) \
155 struct sysdev_ext_attribute attr_##_name = \
156 _SYSDEV_ULONG_ATTR(_name, _mode, _var);
157#define _SYSDEV_INT_ATTR(_name, _mode, _var) \
158 { _SYSDEV_ATTR(_name, _mode, sysdev_show_int, sysdev_store_int), \
159 &(_var) }
160#define SYSDEV_INT_ATTR(_name, _mode, _var) \
161 struct sysdev_ext_attribute attr_##_name = \
162 _SYSDEV_INT_ATTR(_name, _mode, _var);
163
164#endif /* _SYSDEV_H_ */
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