diff options
Diffstat (limited to 'include/linux/platform_device.h')
| -rw-r--r-- | include/linux/platform_device.h | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index 9a342699c60..8dc5123b630 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -12,6 +12,7 @@ #define _PLATFORM_DEVICE_H_ #include <linux/device.h> +#include <linux/mod_devicetable.h> struct platform_device { const char * name; @@ -19,8 +20,12 @@ struct platform_device { struct device dev; u32 num_resources; struct resource * resource; + + struct platform_device_id *id_entry; }; +#define platform_get_device_id(pdev) ((pdev)->id_entry) + #define to_platform_device(x) container_of((x), struct platform_device, dev) extern int platform_device_register(struct platform_device *); @@ -31,8 +36,8 @@ extern struct device platform_bus; extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int); extern int platform_get_irq(struct platform_device *, unsigned int); -extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, char *); -extern int platform_get_irq_byname(struct platform_device *, char *); +extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, const char *); +extern int platform_get_irq_byname(struct platform_device *, const char *); extern int platform_add_devices(struct platform_device **, int); extern struct platform_device *platform_device_register_simple(const char *, int id, @@ -56,6 +61,7 @@ struct platform_driver { int (*resume_early)(struct platform_device *); int (*resume)(struct platform_device *); struct device_driver driver; + struct platform_device_id *id_table; }; extern int platform_driver_register(struct platform_driver *); @@ -70,4 +76,46 @@ extern int platform_driver_probe(struct platform_driver *driver, #define platform_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev) #define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data)) +/* early platform driver interface */ +struct early_platform_driver { + const char *class_str; + struct platform_driver *pdrv; + struct list_head list; + int requested_id; +}; + +#define EARLY_PLATFORM_ID_UNSET -2 +#define EARLY_PLATFORM_ID_ERROR -3 + +extern int early_platform_driver_register(struct early_platform_driver *epdrv, + char *buf); +extern void early_platform_add_devices(struct platform_device **devs, int num); + +static inline int is_early_platform_device(struct platform_device *pdev) +{ + return !pdev->dev.driver; +} + +extern void early_platform_driver_register_all(char *class_str); +extern int early_platform_driver_probe(char *class_str, + int nr_probe, int user_only); +extern void early_platform_cleanup(void); + + +#ifndef MODULE +#define early_platform_init(class_string, platform_driver) \ +static __initdata struct early_platform_driver early_driver = { \ + .class_str = class_string, \ + .pdrv = platform_driver, \ + .requested_id = EARLY_PLATFORM_ID_UNSET, \ +}; \ +static int __init early_platform_driver_setup_func(char *buf) \ +{ \ + return early_platform_driver_register(&early_driver, buf); \ +} \ +early_param(class_string, early_platform_driver_setup_func) +#else /* MODULE */ +#define early_platform_init(class_string, platform_driver) +#endif /* MODULE */ + #endif /* _PLATFORM_DEVICE_H_ */ |