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Diffstat (limited to 'libdde_linux26/include/linux/device.h')
| -rw-r--r-- | libdde_linux26/include/linux/device.h | 606 |
1 files changed, 0 insertions, 606 deletions
diff --git a/libdde_linux26/include/linux/device.h b/libdde_linux26/include/linux/device.h deleted file mode 100644 index 41b4227d..00000000 --- a/libdde_linux26/include/linux/device.h +++ /dev/null @@ -1,606 +0,0 @@ -/* - * device.h - generic, centralized driver model - * - * Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org> - * Copyright (c) 2004-2007 Greg Kroah-Hartman <gregkh@suse.de> - * - * This file is released under the GPLv2 - * - * See Documentation/driver-model/ for more information. - */ - -#ifndef _DEVICE_H_ -#define _DEVICE_H_ - -#include <linux/ioport.h> -#include <linux/kobject.h> -#include <linux/klist.h> -#include <linux/list.h> -#include <linux/lockdep.h> -#include <linux/compiler.h> -#include <linux/types.h> -#include <linux/module.h> -#include <linux/pm.h> -#include <linux/semaphore.h> -#include <asm/atomic.h> -#include <asm/device.h> - -#define BUS_ID_SIZE 20 - -struct device; -struct device_driver; -struct driver_private; -struct class; -struct class_private; -struct bus_type; -struct bus_type_private; - -struct bus_attribute { - struct attribute attr; - ssize_t (*show)(struct bus_type *bus, char *buf); - ssize_t (*store)(struct bus_type *bus, const char *buf, size_t count); -}; - -#define BUS_ATTR(_name, _mode, _show, _store) \ -struct bus_attribute bus_attr_##_name = __ATTR(_name, _mode, _show, _store) - -extern int __must_check bus_create_file(struct bus_type *, - struct bus_attribute *); -extern void bus_remove_file(struct bus_type *, struct bus_attribute *); - -struct bus_type { - const char *name; - struct bus_attribute *bus_attrs; - struct device_attribute *dev_attrs; - struct driver_attribute *drv_attrs; - - int (*match)(struct device *dev, struct device_driver *drv); - int (*uevent)(struct device *dev, struct kobj_uevent_env *env); - 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 (*suspend_late)(struct device *dev, pm_message_t state); - int (*resume_early)(struct device *dev); - int (*resume)(struct device *dev); - - struct dev_pm_ops *pm; - - struct bus_type_private *p; -}; - -extern int __must_check bus_register(struct bus_type *bus); -extern void bus_unregister(struct bus_type *bus); - -extern int __must_check bus_rescan_devices(struct bus_type *bus); - -/* iterator helpers for buses */ - -int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data, - int (*fn)(struct device *dev, void *data)); -struct device *bus_find_device(struct bus_type *bus, struct device *start, - void *data, - int (*match)(struct device *dev, void *data)); -struct device *bus_find_device_by_name(struct bus_type *bus, - struct device *start, - const char *name); - -int __must_check bus_for_each_drv(struct bus_type *bus, - struct device_driver *start, void *data, - int (*fn)(struct device_driver *, void *)); - -void bus_sort_breadthfirst(struct bus_type *bus, - int (*compare)(const struct device *a, - const struct device *b)); -/* - * Bus notifiers: Get notified of addition/removal of devices - * and binding/unbinding of drivers to devices. - * In the long run, it should be a replacement for the platform - * notify hooks. - */ -struct notifier_block; - -extern int bus_register_notifier(struct bus_type *bus, - struct notifier_block *nb); -extern int bus_unregister_notifier(struct bus_type *bus, - struct notifier_block *nb); - -/* All 4 notifers below get called with the target struct device * - * as an argument. Note that those functions are likely to be called - * with the device semaphore held in the core, so be careful. - */ -#define BUS_NOTIFY_ADD_DEVICE 0x00000001 /* device added */ -#define BUS_NOTIFY_DEL_DEVICE 0x00000002 /* device removed */ -#define BUS_NOTIFY_BOUND_DRIVER 0x00000003 /* driver bound to device */ -#define BUS_NOTIFY_UNBIND_DRIVER 0x00000004 /* driver about to be - unbound */ - -extern struct kset *bus_get_kset(struct bus_type *bus); -extern struct klist *bus_get_device_klist(struct bus_type *bus); - -struct device_driver { - const char *name; - struct bus_type *bus; - - struct module *owner; - const char *mod_name; /* used for built-in modules */ - - 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); - struct attribute_group **groups; - - struct dev_pm_ops *pm; - - struct driver_private *p; -}; - - -extern int __must_check driver_register(struct device_driver *drv); -extern void driver_unregister(struct device_driver *drv); - -extern struct device_driver *get_driver(struct device_driver *drv); -extern void put_driver(struct device_driver *drv); -extern struct device_driver *driver_find(const char *name, - struct bus_type *bus); -extern int driver_probe_done(void); -extern int wait_for_device_probe(void); - - -/* sysfs interface for exporting driver attributes */ - -struct driver_attribute { - struct attribute attr; - ssize_t (*show)(struct device_driver *driver, char *buf); - ssize_t (*store)(struct device_driver *driver, const char *buf, - size_t count); -}; - -#define DRIVER_ATTR(_name, _mode, _show, _store) \ -struct driver_attribute driver_attr_##_name = \ - __ATTR(_name, _mode, _show, _store) - -extern int __must_check driver_create_file(struct device_driver *driver, - struct driver_attribute *attr); -extern void driver_remove_file(struct device_driver *driver, - struct driver_attribute *attr); - -extern int __must_check driver_add_kobj(struct device_driver *drv, - struct kobject *kobj, - const char *fmt, ...); - -extern int __must_check driver_for_each_device(struct device_driver *drv, - struct device *start, - void *data, - int (*fn)(struct device *dev, - void *)); -struct device *driver_find_device(struct device_driver *drv, - struct device *start, void *data, - int (*match)(struct device *dev, void *data)); - -/* - * device classes - */ -struct class { - const char *name; - struct module *owner; - - struct class_attribute *class_attrs; - struct device_attribute *dev_attrs; - struct kobject *dev_kobj; - - int (*dev_uevent)(struct device *dev, struct kobj_uevent_env *env); - - void (*class_release)(struct class *class); - void (*dev_release)(struct device *dev); - - int (*suspend)(struct device *dev, pm_message_t state); - int (*resume)(struct device *dev); - - struct dev_pm_ops *pm; - struct class_private *p; -}; - -struct class_dev_iter { - struct klist_iter ki; - const struct device_type *type; -}; - -extern struct kobject *sysfs_dev_block_kobj; -extern struct kobject *sysfs_dev_char_kobj; -extern int __must_check __class_register(struct class *class, - struct lock_class_key *key); -extern void class_unregister(struct class *class); - -/* This is a #define to keep the compiler from merging different - * instances of the __key variable */ -#define class_register(class) \ -({ \ - static struct lock_class_key __key; \ - __class_register(class, &__key); \ -}) - -extern void class_dev_iter_init(struct class_dev_iter *iter, - struct class *class, - struct device *start, - const struct device_type *type); -extern struct device *class_dev_iter_next(struct class_dev_iter *iter); -extern void class_dev_iter_exit(struct class_dev_iter *iter); - -extern int class_for_each_device(struct class *class, struct device *start, - void *data, - int (*fn)(struct device *dev, void *data)); -extern struct device *class_find_device(struct class *class, - struct device *start, void *data, - int (*match)(struct device *, void *)); - -struct class_attribute { - struct attribute attr; - ssize_t (*show)(struct class *class, char *buf); - ssize_t (*store)(struct class *class, const char *buf, size_t count); -}; - -#define CLASS_ATTR(_name, _mode, _show, _store) \ -struct class_attribute class_attr_##_name = __ATTR(_name, _mode, _show, _store) - -extern int __must_check class_create_file(struct class *class, - const struct class_attribute *attr); -extern void class_remove_file(struct class *class, - const struct class_attribute *attr); - -struct class_interface { - struct list_head node; - struct class *class; - - int (*add_dev) (struct device *, struct class_interface *); - void (*remove_dev) (struct device *, struct class_interface *); -}; - -extern int __must_check class_interface_register(struct class_interface *); -extern void class_interface_unregister(struct class_interface *); - -extern struct class * __must_check __class_create(struct module *owner, - const char *name, - struct lock_class_key *key); -extern void class_destroy(struct class *cls); - -/* This is a #define to keep the compiler from merging different - * instances of the __key variable */ -#define class_create(owner, name) \ -({ \ - static struct lock_class_key __key; \ - __class_create(owner, name, &__key); \ -}) - -/* - * The type of device, "struct device" is embedded in. A class - * or bus can contain devices of different types - * like "partitions" and "disks", "mouse" and "event". - * This identifies the device type and carries type-specific - * information, equivalent to the kobj_type of a kobject. - * If "name" is specified, the uevent will contain it in - * the DEVTYPE variable. - */ -struct device_type { - const char *name; - struct attribute_group **groups; - int (*uevent)(struct device *dev, struct kobj_uevent_env *env); - void (*release)(struct device *dev); - - int (*suspend)(struct device *dev, pm_message_t state); - int (*resume)(struct device *dev); - - struct dev_pm_ops *pm; -}; - -/* interface for exporting device attributes */ -struct device_attribute { - struct attribute attr; - ssize_t (*show)(struct device *dev, struct device_attribute *attr, - char *buf); - ssize_t (*store)(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count); -}; - -#define DEVICE_ATTR(_name, _mode, _show, _store) \ -struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store) - -extern int __must_check device_create_file(struct device *device, - struct device_attribute *entry); -extern void device_remove_file(struct device *dev, - struct device_attribute *attr); -extern int __must_check device_create_bin_file(struct device *dev, - struct bin_attribute *attr); -extern void device_remove_bin_file(struct device *dev, - struct bin_attribute *attr); -extern int device_schedule_callback_owner(struct device *dev, - void (*func)(struct device *dev), struct module *owner); - -/* This is a macro to avoid include problems with THIS_MODULE */ -#define device_schedule_callback(dev, func) \ - device_schedule_callback_owner(dev, func, THIS_MODULE) - -/* device resource management */ -typedef void (*dr_release_t)(struct device *dev, void *res); -typedef int (*dr_match_t)(struct device *dev, void *res, void *match_data); - -#ifdef CONFIG_DEBUG_DEVRES -extern void *__devres_alloc(dr_release_t release, size_t size, gfp_t gfp, - const char *name); -#define devres_alloc(release, size, gfp) \ - __devres_alloc(release, size, gfp, #release) -#else -extern void *devres_alloc(dr_release_t release, size_t size, gfp_t gfp); -#endif -extern void devres_free(void *res); -extern void devres_add(struct device *dev, void *res); -extern void *devres_find(struct device *dev, dr_release_t release, - dr_match_t match, void *match_data); -extern void *devres_get(struct device *dev, void *new_res, - dr_match_t match, void *match_data); -extern void *devres_remove(struct device *dev, dr_release_t release, - dr_match_t match, void *match_data); -extern int devres_destroy(struct device *dev, dr_release_t release, - dr_match_t match, void *match_data); - -/* devres group */ -extern void * __must_check devres_open_group(struct device *dev, void *id, - gfp_t gfp); -extern void devres_close_group(struct device *dev, void *id); -extern void devres_remove_group(struct device *dev, void *id); -extern int devres_release_group(struct device *dev, void *id); - -/* managed kzalloc/kfree for device drivers, no kmalloc, always use kzalloc */ -extern void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp); -extern void devm_kfree(struct device *dev, void *p); - -struct device_dma_parameters { - /* - * a low level driver may set these to teach IOMMU code about - * sg limitations. - */ - unsigned int max_segment_size; - unsigned long segment_boundary_mask; -}; - -struct device { - struct klist klist_children; - struct klist_node knode_parent; /* node in sibling list */ - struct klist_node knode_driver; - struct klist_node knode_bus; - struct device *parent; - - struct kobject kobj; - char bus_id[BUS_ID_SIZE]; /* position on parent bus */ - unsigned uevent_suppress:1; - const char *init_name; /* initial name of the device */ - struct device_type *type; - - struct semaphore sem; /* semaphore to synchronize calls to - * its driver. - */ - - struct bus_type *bus; /* type of bus device is on */ - struct device_driver *driver; /* which driver has allocated this - device */ - void *driver_data; /* data private to the driver */ - void *platform_data; /* Platform specific data, device - core doesn't touch it */ - struct dev_pm_info power; - -#ifdef CONFIG_NUMA - int numa_node; /* NUMA node this device is close to */ -#endif - u64 *dma_mask; /* dma mask (if dma'able device) */ - u64 coherent_dma_mask;/* Like dma_mask, but for - alloc_coherent mappings as - not all hardware supports - 64 bit addresses for consistent - allocations such descriptors. */ - - struct device_dma_parameters *dma_parms; - - struct list_head dma_pools; /* dma pools (if dma'ble) */ - - struct dma_coherent_mem *dma_mem; /* internal for coherent mem - override */ - /* arch specific additions */ - struct dev_archdata archdata; - - dev_t devt; /* dev_t, creates the sysfs "dev" */ - - spinlock_t devres_lock; - struct list_head devres_head; - - struct klist_node knode_class; - struct class *class; - struct attribute_group **groups; /* optional groups */ - - void (*release)(struct device *dev); -}; - -/* Get the wakeup routines, which depend on struct device */ -#include <linux/pm_wakeup.h> - -static inline const char *dev_name(const struct device *dev) -{ - /* will be changed into kobject_name(&dev->kobj) in the near future */ - return dev->bus_id; -} - -extern int dev_set_name(struct device *dev, const char *name, ...) - __attribute__((format(printf, 2, 3))); - -#ifdef CONFIG_NUMA -static inline int dev_to_node(struct device *dev) -{ - return dev->numa_node; -} -static inline void set_dev_node(struct device *dev, int node) -{ - dev->numa_node = node; -} -#else -static inline int dev_to_node(struct device *dev) -{ - return -1; -} -static inline void set_dev_node(struct device *dev, int node) -{ -} -#endif - -static inline void *dev_get_drvdata(const struct device *dev) -{ - return dev->driver_data; -} - -static inline void dev_set_drvdata(struct device *dev, void *data) -{ - dev->driver_data = data; -} - -static inline int device_is_registered(struct device *dev) -{ - return dev->kobj.state_in_sysfs; -} - -void driver_init(void); - -/* - * High level routines for use by the bus drivers - */ -extern int __must_check device_register(struct device *dev); -extern void device_unregister(struct device *dev); -extern void device_initialize(struct device *dev); -extern int __must_check device_add(struct device *dev); -extern void device_del(struct device *dev); -extern int device_for_each_child(struct device *dev, void *data, - int (*fn)(struct device *dev, void *data)); -extern struct device *device_find_child(struct device *dev, void *data, - int (*match)(struct device *dev, void *data)); -extern int device_rename(struct device *dev, char *new_name); -extern int device_move(struct device *dev, struct device *new_parent); - -/* - * Root device objects for grouping under /sys/devices - */ -extern struct device *__root_device_register(const char *name, - struct module *owner); -static inline struct device *root_device_register(const char *name) -{ - return __root_device_register(name, THIS_MODULE); -} -extern void root_device_unregister(struct device *root); - -/* - * Manual binding of a device to driver. See drivers/base/bus.c - * for information on use. - */ -extern int __must_check device_bind_driver(struct device *dev); -extern void device_release_driver(struct device *dev); -extern int __must_check device_attach(struct device *dev); -extern int __must_check driver_attach(struct device_driver *drv); -extern int __must_check device_reprobe(struct device *dev); - -/* - * Easy functions for dynamically creating devices on the fly - */ -extern struct device *device_create_vargs(struct class *cls, - struct device *parent, - dev_t devt, - void *drvdata, - const char *fmt, - va_list vargs); -extern struct device *device_create(struct class *cls, struct device *parent, - dev_t devt, void *drvdata, - const char *fmt, ...) - __attribute__((format(printf, 5, 6))); -extern void device_destroy(struct class *cls, dev_t devt); - -/* - * Platform "fixup" functions - allow the platform to have their say - * about devices and actions that the general device layer doesn't - * know about. - */ -/* Notify platform of device discovery */ -extern int (*platform_notify)(struct device *dev); - -extern int (*platform_notify_remove)(struct device *dev); - - -/** - * get_device - atomically increment the reference count for the device. - * - */ -extern struct device *get_device(struct device *dev); -extern void put_device(struct device *dev); - - -/* drivers/base/power/shutdown.c */ -extern void device_shutdown(void); - -/* drivers/base/sys.c */ -extern void sysdev_shutdown(void); - -/* debugging and troubleshooting/diagnostic helpers. */ -extern const char *dev_driver_string(const struct device *dev); -#ifndef DDE_LINUX -#define dev_printk(level, dev, format, arg...) \ - printk(level "%s %s: " format , dev_driver_string(dev) , \ - dev_name(dev) , ## arg) -#else -#define dev_printk(level, dev, format, arg...) -#endif - -#define dev_emerg(dev, format, arg...) \ - dev_printk(KERN_EMERG , dev , format , ## arg) -#define dev_alert(dev, format, arg...) \ - dev_printk(KERN_ALERT , dev , format , ## arg) -#define dev_crit(dev, format, arg...) \ - dev_printk(KERN_CRIT , dev , format , ## arg) -#define dev_err(dev, format, arg...) \ - dev_printk(KERN_ERR , dev , format , ## arg) -#define dev_warn(dev, format, arg...) \ - dev_printk(KERN_WARNING , dev , format , ## arg) -#define dev_notice(dev, format, arg...) \ - dev_printk(KERN_NOTICE , dev , format , ## arg) -#define dev_info(dev, format, arg...) \ - dev_printk(KERN_INFO , dev , format , ## arg) - -#if defined(DEBUG) && !defined(DDE_LINUX) -#define dev_dbg(dev, format, arg...) \ - dev_printk(KERN_DEBUG , dev , format , ## arg) -#elif defined(CONFIG_DYNAMIC_PRINTK_DEBUG) -#define dev_dbg(dev, format, ...) do { \ - dynamic_dev_dbg(dev, format, ##__VA_ARGS__); \ - } while (0) -#else -#define dev_dbg(dev, format, arg...) do {} while (0) -#endif - -#ifdef VERBOSE_DEBUG -#define dev_vdbg dev_dbg -#else - -#define dev_vdbg(dev, format, arg...) \ - ({ if (0) dev_printk(KERN_DEBUG, dev, format, ##arg); 0; }) -#endif - -/* - * dev_WARN() acts like dev_printk(), but with the key difference - * of using a WARN/WARN_ON to get the message out, including the - * file/line information and a backtrace. - */ -#define dev_WARN(dev, format, arg...) \ - WARN(1, "Device: %s\n" format, dev_driver_string(dev), ## arg); - -/* Create alias, so I can be autoloaded. */ -#define MODULE_ALIAS_CHARDEV(major,minor) \ - MODULE_ALIAS("char-major-" __stringify(major) "-" __stringify(minor)) -#define MODULE_ALIAS_CHARDEV_MAJOR(major) \ - MODULE_ALIAS("char-major-" __stringify(major) "-*") -#endif /* _DEVICE_H_ */ |