#ifndef _DEVICE_H_
#define _DEVICE_H_
-#include <linux/config.h>
#include <linux/ioport.h>
#include <linux/kobject.h>
#include <linux/klist.h>
int (*probe)(struct device * dev);
int (*remove)(struct device * dev);
void (*shutdown)(struct device * dev);
- int (*suspend)(struct device * dev, pm_message_t state);
- int (*resume)(struct device * dev);
+
+ int (*suspend)(struct device * dev, pm_message_t state);
+ int (*suspend_late)(struct device * dev, pm_message_t state);
+ int (*resume_early)(struct device * dev);
+ int (*resume)(struct device * dev);
};
extern int bus_register(struct bus_type * bus);
extern void bus_rescan_devices(struct bus_type * bus);
-extern struct bus_type * get_bus(struct bus_type * bus);
-extern void put_bus(struct bus_type * bus);
-
-extern struct bus_type * find_bus(char * name);
-
/* iterator helpers for buses */
int bus_for_each_dev(struct bus_type * bus, struct device * start, void * data,
struct subsystem subsys;
struct list_head children;
+ struct list_head devices;
struct list_head interfaces;
struct semaphore sem; /* locks both the children and interfaces lists */
struct class_attribute * class_attrs;
struct class_device_attribute * class_dev_attrs;
+ struct device_attribute * dev_attrs;
int (*uevent)(struct class_device *dev, char **envp,
int num_envp, char *buffer, int buffer_size);
+ int (*dev_uevent)(struct device *dev, char **envp, int num_envp,
+ char *buffer, int buffer_size);
void (*release)(struct class_device *dev);
void (*class_release)(struct class *class);
+ void (*dev_release)(struct device *dev);
+
+ int (*suspend)(struct device *, pm_message_t state);
+ int (*resume)(struct device *);
};
extern int class_register(struct class *);
extern void class_unregister(struct class *);
-extern struct class * class_get(struct class *);
-extern void class_put(struct class *);
-
struct class_attribute {
struct attribute attr;
* @node: for internal use by the driver core only.
* @kobj: for internal use by the driver core only.
* @devt_attr: for internal use by the driver core only.
+ * @groups: optional additional groups to be created
* @dev: if set, a symlink to the struct device is created in the sysfs
* directory for this struct class device.
* @class_data: pointer to whatever you want to store here for this struct
struct device * dev; /* not necessary, but nice to have */
void * class_data; /* class-specific data */
struct class_device *parent; /* parent of this child device, if there is one */
+ struct attribute_group ** groups; /* optional groups */
void (*release)(struct class_device *dev);
int (*uevent)(struct class_device *dev, char **envp,
extern int class_interface_register(struct class_interface *);
extern void class_interface_unregister(struct class_interface *);
-extern struct class *class_create(struct module *owner, char *name);
+extern struct class *class_create(struct module *owner, const char *name);
extern void class_destroy(struct class *cls);
extern struct class_device *class_device_create(struct class *cls,
struct class_device *parent,
dev_t devt,
struct device *device,
- char *fmt, ...)
+ const char *fmt, ...)
__attribute__((format(printf,5,6)));
extern void class_device_destroy(struct class *cls, dev_t devt);
struct kobject kobj;
char bus_id[BUS_ID_SIZE]; /* position on parent bus */
struct device_attribute uevent_attr;
+ struct device_attribute *devt_attr;
struct semaphore sem; /* semaphore to synchronize calls to
* its driver.
struct dma_coherent_mem *dma_mem; /* internal for coherent mem
override */
+ /* class_device migration path */
+ struct list_head node;
+ struct class *class; /* optional*/
+ dev_t devt; /* dev_t, creates the sysfs "dev" */
+ struct attribute_group **groups; /* optional groups */
+
void (*release)(struct device * dev);
};
extern void driver_attach(struct device_driver * drv);
extern void device_reprobe(struct device *dev);
+/*
+ * Easy functions for dynamically creating devices on the fly
+ */
+extern struct device *device_create(struct class *cls, struct device *parent,
+ dev_t devt, const char *fmt, ...)
+ __attribute__((format(printf,4,5)));
+extern void device_destroy(struct class *cls, dev_t devt);
/*
* Platform "fixup" functions - allow the platform to have their say
extern void firmware_unregister(struct subsystem *);
/* debugging and troubleshooting/diagnostic helpers. */
+extern const char *dev_driver_string(struct device *dev);
#define dev_printk(level, dev, format, arg...) \
- printk(level "%s %s: " format , (dev)->driver ? (dev)->driver->name : "" , (dev)->bus_id , ## arg)
+ printk(level "%s %s: " format , dev_driver_string(dev) , (dev)->bus_id , ## arg)
#ifdef DEBUG
#define dev_dbg(dev, format, arg...) \