511647ff58
This is V2 of the platform driver power management late/early callback removal patch. The callbacks ->suspend_late() and ->resume_early() are removed since all in-tree users now have been migrated to dev_pm_ops. Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
123 lines
4.2 KiB
C
123 lines
4.2 KiB
C
/*
|
|
* platform_device.h - generic, centralized driver model
|
|
*
|
|
* Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org>
|
|
*
|
|
* This file is released under the GPLv2
|
|
*
|
|
* See Documentation/driver-model/ for more information.
|
|
*/
|
|
|
|
#ifndef _PLATFORM_DEVICE_H_
|
|
#define _PLATFORM_DEVICE_H_
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/mod_devicetable.h>
|
|
|
|
struct platform_device {
|
|
const char * name;
|
|
int id;
|
|
struct device dev;
|
|
u32 num_resources;
|
|
struct resource * resource;
|
|
|
|
struct platform_device_id *id_entry;
|
|
|
|
/* arch specific additions */
|
|
struct pdev_archdata archdata;
|
|
};
|
|
|
|
#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 *);
|
|
extern void platform_device_unregister(struct platform_device *);
|
|
|
|
extern struct bus_type platform_bus_type;
|
|
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, 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,
|
|
struct resource *, unsigned int);
|
|
extern struct platform_device *platform_device_register_data(struct device *,
|
|
const char *, int, const void *, size_t);
|
|
|
|
extern struct platform_device *platform_device_alloc(const char *name, int id);
|
|
extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num);
|
|
extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size);
|
|
extern int platform_device_add(struct platform_device *pdev);
|
|
extern void platform_device_del(struct platform_device *pdev);
|
|
extern void platform_device_put(struct platform_device *pdev);
|
|
|
|
struct platform_driver {
|
|
int (*probe)(struct platform_device *);
|
|
int (*remove)(struct platform_device *);
|
|
void (*shutdown)(struct platform_device *);
|
|
int (*suspend)(struct platform_device *, pm_message_t state);
|
|
int (*resume)(struct platform_device *);
|
|
struct device_driver driver;
|
|
struct platform_device_id *id_table;
|
|
};
|
|
|
|
extern int platform_driver_register(struct platform_driver *);
|
|
extern void platform_driver_unregister(struct platform_driver *);
|
|
|
|
/* non-hotpluggable platform devices may use this so that probe() and
|
|
* its support may live in __init sections, conserving runtime memory.
|
|
*/
|
|
extern int platform_driver_probe(struct platform_driver *driver,
|
|
int (*probe)(struct platform_device *));
|
|
|
|
#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_ */
|