This source file includes following definitions.
- greybus_set_drvdata
- greybus_get_drvdata
- is_gb_host_device
- is_gb_module
- is_gb_interface
- is_gb_control
- is_gb_bundle
- is_gb_svc
- cport_id_valid
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9 #ifndef __LINUX_GREYBUS_H
10 #define __LINUX_GREYBUS_H
11
12 #ifdef __KERNEL__
13
14 #include <linux/kernel.h>
15 #include <linux/types.h>
16 #include <linux/list.h>
17 #include <linux/slab.h>
18 #include <linux/device.h>
19 #include <linux/module.h>
20 #include <linux/pm_runtime.h>
21 #include <linux/idr.h>
22
23 #include <linux/greybus/greybus_id.h>
24 #include <linux/greybus/greybus_manifest.h>
25 #include <linux/greybus/greybus_protocols.h>
26 #include <linux/greybus/manifest.h>
27 #include <linux/greybus/hd.h>
28 #include <linux/greybus/svc.h>
29 #include <linux/greybus/control.h>
30 #include <linux/greybus/module.h>
31 #include <linux/greybus/interface.h>
32 #include <linux/greybus/bundle.h>
33 #include <linux/greybus/connection.h>
34 #include <linux/greybus/operation.h>
35
36
37 #define GREYBUS_VERSION_MAJOR 0x00
38 #define GREYBUS_VERSION_MINOR 0x01
39
40 #define GREYBUS_ID_MATCH_DEVICE \
41 (GREYBUS_ID_MATCH_VENDOR | GREYBUS_ID_MATCH_PRODUCT)
42
43 #define GREYBUS_DEVICE(v, p) \
44 .match_flags = GREYBUS_ID_MATCH_DEVICE, \
45 .vendor = (v), \
46 .product = (p),
47
48 #define GREYBUS_DEVICE_CLASS(c) \
49 .match_flags = GREYBUS_ID_MATCH_CLASS, \
50 .class = (c),
51
52
53 #define CPORT_ID_MAX 4095
54 #define CPORT_ID_BAD U16_MAX
55
56 struct greybus_driver {
57 const char *name;
58
59 int (*probe)(struct gb_bundle *bundle,
60 const struct greybus_bundle_id *id);
61 void (*disconnect)(struct gb_bundle *bundle);
62
63 const struct greybus_bundle_id *id_table;
64
65 struct device_driver driver;
66 };
67 #define to_greybus_driver(d) container_of(d, struct greybus_driver, driver)
68
69 static inline void greybus_set_drvdata(struct gb_bundle *bundle, void *data)
70 {
71 dev_set_drvdata(&bundle->dev, data);
72 }
73
74 static inline void *greybus_get_drvdata(struct gb_bundle *bundle)
75 {
76 return dev_get_drvdata(&bundle->dev);
77 }
78
79
80 int greybus_register_driver(struct greybus_driver *driver,
81 struct module *module, const char *mod_name);
82 void greybus_deregister_driver(struct greybus_driver *driver);
83
84
85 #define greybus_register(driver) \
86 greybus_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
87 #define greybus_deregister(driver) \
88 greybus_deregister_driver(driver)
89
90
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95
96
97
98 #define module_greybus_driver(__greybus_driver) \
99 module_driver(__greybus_driver, greybus_register, greybus_deregister)
100
101 int greybus_disabled(void);
102
103 void gb_debugfs_init(void);
104 void gb_debugfs_cleanup(void);
105 struct dentry *gb_debugfs_get(void);
106
107 extern struct bus_type greybus_bus_type;
108
109 extern struct device_type greybus_hd_type;
110 extern struct device_type greybus_module_type;
111 extern struct device_type greybus_interface_type;
112 extern struct device_type greybus_control_type;
113 extern struct device_type greybus_bundle_type;
114 extern struct device_type greybus_svc_type;
115
116 static inline int is_gb_host_device(const struct device *dev)
117 {
118 return dev->type == &greybus_hd_type;
119 }
120
121 static inline int is_gb_module(const struct device *dev)
122 {
123 return dev->type == &greybus_module_type;
124 }
125
126 static inline int is_gb_interface(const struct device *dev)
127 {
128 return dev->type == &greybus_interface_type;
129 }
130
131 static inline int is_gb_control(const struct device *dev)
132 {
133 return dev->type == &greybus_control_type;
134 }
135
136 static inline int is_gb_bundle(const struct device *dev)
137 {
138 return dev->type == &greybus_bundle_type;
139 }
140
141 static inline int is_gb_svc(const struct device *dev)
142 {
143 return dev->type == &greybus_svc_type;
144 }
145
146 static inline bool cport_id_valid(struct gb_host_device *hd, u16 cport_id)
147 {
148 return cport_id != CPORT_ID_BAD && cport_id < hd->num_cports;
149 }
150
151 #endif
152 #endif