Kernel API 5 - Linux Driver Model(ext) #

1 Kernel API 5 - Linux Driver Model(ext)

1.1 platform

1.2 sysdev

1.2.1 sysdev_class

1.2.2 sysdev_class_register

1.2.3 sysdev_class_unregister

1.2.4 sysdev_driver

1.2.5 sys_device

1.2.6 sysdev_register

1.2.7 sysdev_unregiser

1.2.8 sysdev_attribute

1.2.9 SYSDEV_ATTR

1.2.10 sysdev_create_file

1.2.11 sysdev_remove_file

1.3 firmware

1.3.1 struct fw

1.3.2 request_firmware_nowait

1.3.3 release_firmware

1.3.4 firmware의 사용

struct sysdev_class {
  struct list_head drivers;
  int         (*shutdown)(struct sys_device *);
  int         (*suspend)(struct sys_device *, pm_message_t state);
  int         (*resume)(struct sys_device *);
  struct kset kset;

int sysdev_class_register(struct sysdev_class *);

void sysdev_class_unregister(struct sysdev_class);

struct sysdev_driver {
  struct list_head entry;
  int (*add)(struct sys_device *);
  int (*remove)(struct sys_device *);
  int (*shutdown)(struct sys_device *);
  int (*suspend)(struct sys_device *, pm_message_t state);
  int (*resume)(struct sys_device *);
};

struct sys_device {
  u32 id;
  struct sysdev_class *cls;
  struct kobject kobj;
};

int sysdev_register(struct sys_device *);

void sysdev_unregister(struct sys_device *);

struct sysdev_attribute {
  struct attribute attr;
  ssize_t (*show)(struct sys_device *, char *);
  ssize_t (*store)(struct sys_device *, const char *, size_t);
};

SYSDEV_ATTR(_name, _mode, _show, _store)

int sysdev_create_file(struct sys_device *, struct sysdev_attribute *);

void sysdev_remove_file(struct sys_device *, struct sysdev_attribute *);

int request_firmware(const struct firmware **fw, char *name, struct device *device);

int request_firmware_nowait(struct module *module, char *name, struct device *device,
                            void *context, void (*cont)(const struct firmware *fw,
                                                        void *context));

void release_firmware(struct firmware *fw);