]>
Commit | Line | Data |
---|---|---|
bbbf508d RK |
1 | /* |
2 | * platform_device.h - generic, centralized driver model | |
3 | * | |
4 | * Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org> | |
5 | * | |
6 | * This file is released under the GPLv2 | |
7 | * | |
8 | * See Documentation/driver-model/ for more information. | |
9 | */ | |
10 | ||
11 | #ifndef _PLATFORM_DEVICE_H_ | |
12 | #define _PLATFORM_DEVICE_H_ | |
13 | ||
14 | #include <linux/device.h> | |
57fee4a5 | 15 | #include <linux/mod_devicetable.h> |
bbbf508d RK |
16 | |
17 | struct platform_device { | |
18 | const char * name; | |
1359555e | 19 | int id; |
bbbf508d RK |
20 | struct device dev; |
21 | u32 num_resources; | |
22 | struct resource * resource; | |
57fee4a5 | 23 | |
3d03ba4d | 24 | const struct platform_device_id *id_entry; |
d7aacadd MD |
25 | |
26 | /* arch specific additions */ | |
27 | struct pdev_archdata archdata; | |
bbbf508d RK |
28 | }; |
29 | ||
57fee4a5 EM |
30 | #define platform_get_device_id(pdev) ((pdev)->id_entry) |
31 | ||
bbbf508d RK |
32 | #define to_platform_device(x) container_of((x), struct platform_device, dev) |
33 | ||
34 | extern int platform_device_register(struct platform_device *); | |
35 | extern void platform_device_unregister(struct platform_device *); | |
36 | ||
37 | extern struct bus_type platform_bus_type; | |
38 | extern struct device platform_bus; | |
39 | ||
40 | extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int); | |
41 | extern int platform_get_irq(struct platform_device *, unsigned int); | |
c0afe7ba LW |
42 | extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, const char *); |
43 | extern int platform_get_irq_byname(struct platform_device *, const char *); | |
bbbf508d RK |
44 | extern int platform_add_devices(struct platform_device **, int); |
45 | ||
ae72cddb | 46 | extern struct platform_device *platform_device_register_simple(const char *, int id, |
1359555e | 47 | struct resource *, unsigned int); |
d8bf2540 DB |
48 | extern struct platform_device *platform_device_register_data(struct device *, |
49 | const char *, int, const void *, size_t); | |
bbbf508d | 50 | |
1359555e | 51 | extern struct platform_device *platform_device_alloc(const char *name, int id); |
37c12e74 | 52 | extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num); |
6eefd34f | 53 | extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size); |
37c12e74 | 54 | extern int platform_device_add(struct platform_device *pdev); |
93ce3061 | 55 | extern void platform_device_del(struct platform_device *pdev); |
37c12e74 RK |
56 | extern void platform_device_put(struct platform_device *pdev); |
57 | ||
00d3dcdd RK |
58 | struct platform_driver { |
59 | int (*probe)(struct platform_device *); | |
60 | int (*remove)(struct platform_device *); | |
61 | void (*shutdown)(struct platform_device *); | |
62 | int (*suspend)(struct platform_device *, pm_message_t state); | |
63 | int (*resume)(struct platform_device *); | |
64 | struct device_driver driver; | |
831fad2f | 65 | const struct platform_device_id *id_table; |
00d3dcdd RK |
66 | }; |
67 | ||
68 | extern int platform_driver_register(struct platform_driver *); | |
69 | extern void platform_driver_unregister(struct platform_driver *); | |
70 | ||
c67334fb DB |
71 | /* non-hotpluggable platform devices may use this so that probe() and |
72 | * its support may live in __init sections, conserving runtime memory. | |
73 | */ | |
74 | extern int platform_driver_probe(struct platform_driver *driver, | |
75 | int (*probe)(struct platform_device *)); | |
76 | ||
00d3dcdd RK |
77 | #define platform_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev) |
78 | #define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data)) | |
79 | ||
ecdf6ceb DT |
80 | extern struct platform_device *platform_create_bundle(struct platform_driver *driver, |
81 | int (*probe)(struct platform_device *), | |
82 | struct resource *res, unsigned int n_res, | |
83 | const void *data, size_t size); | |
84 | ||
13977091 MD |
85 | /* early platform driver interface */ |
86 | struct early_platform_driver { | |
87 | const char *class_str; | |
88 | struct platform_driver *pdrv; | |
89 | struct list_head list; | |
90 | int requested_id; | |
c60e0504 MD |
91 | char *buffer; |
92 | int bufsize; | |
13977091 MD |
93 | }; |
94 | ||
95 | #define EARLY_PLATFORM_ID_UNSET -2 | |
96 | #define EARLY_PLATFORM_ID_ERROR -3 | |
97 | ||
98 | extern int early_platform_driver_register(struct early_platform_driver *epdrv, | |
99 | char *buf); | |
100 | extern void early_platform_add_devices(struct platform_device **devs, int num); | |
101 | ||
102 | static inline int is_early_platform_device(struct platform_device *pdev) | |
103 | { | |
104 | return !pdev->dev.driver; | |
105 | } | |
106 | ||
107 | extern void early_platform_driver_register_all(char *class_str); | |
108 | extern int early_platform_driver_probe(char *class_str, | |
109 | int nr_probe, int user_only); | |
110 | extern void early_platform_cleanup(void); | |
111 | ||
c60e0504 MD |
112 | #define early_platform_init(class_string, platdrv) \ |
113 | early_platform_init_buffer(class_string, platdrv, NULL, 0) | |
13977091 MD |
114 | |
115 | #ifndef MODULE | |
c60e0504 | 116 | #define early_platform_init_buffer(class_string, platdrv, buf, bufsiz) \ |
13977091 MD |
117 | static __initdata struct early_platform_driver early_driver = { \ |
118 | .class_str = class_string, \ | |
c60e0504 MD |
119 | .buffer = buf, \ |
120 | .bufsize = bufsiz, \ | |
121 | .pdrv = platdrv, \ | |
13977091 MD |
122 | .requested_id = EARLY_PLATFORM_ID_UNSET, \ |
123 | }; \ | |
c60e0504 | 124 | static int __init early_platform_driver_setup_func(char *buffer) \ |
13977091 | 125 | { \ |
c60e0504 | 126 | return early_platform_driver_register(&early_driver, buffer); \ |
13977091 MD |
127 | } \ |
128 | early_param(class_string, early_platform_driver_setup_func) | |
129 | #else /* MODULE */ | |
c60e0504 MD |
130 | #define early_platform_init_buffer(class_string, platdrv, buf, bufsiz) \ |
131 | static inline char *early_platform_driver_setup_func(void) \ | |
132 | { \ | |
133 | return bufsiz ? buf : NULL; \ | |
134 | } | |
13977091 MD |
135 | #endif /* MODULE */ |
136 | ||
bbbf508d | 137 | #endif /* _PLATFORM_DEVICE_H_ */ |