最終更新:2014-05-08 (木) 12:59:58 (3640d)  

hid_device
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http://lxr.onakasuita.org/source/include/linux/hid.h#L446

定義 

  • struct hid_device {                                                     /* device report descriptor */
        __u8 *dev_rdesc;
        unsigned dev_rsize;
        __u8 *rdesc;
        unsigned rsize;
        struct hid_collection *collection;                              /* List of HID collections */
        unsigned collection_size;                                       /* Number of allocated hid_collections */
        unsigned maxcollection;                                         /* Number of parsed collections */
        unsigned maxapplication;                                        /* Number of applications */
        __u16 bus;                                                      /* BUS ID */
        __u16 group;                                                    /* Report group */
        __u32 vendor;                                                   /* Vendor ID */
        __u32 product;                                                  /* Product ID */
        __u32 version;                                                  /* HID version */
        enum hid_type type;                                             /* device type (mouse, kbd, ...) */
        unsigned country;                                               /* HID country */
        struct hid_report_enum report_enum[HID_REPORT_TYPES];
        struct work_struct led_work;                                    /* delayed LED worker */

        struct semaphore driver_lock;                                   /* protects the current driver, except during input */
        struct semaphore driver_input_lock;                             /* protects the current driver */
        struct device dev;                                              /* device */
        struct hid_driver *driver;
        struct hid_ll_driver *ll_driver;

#ifdef CONFIG_HID_BATTERY_STRENGTH
        /*
         * Power supply information for HID devices which report
         * battery strength. power_supply is registered iff
         * battery.name is non-NULL.
         */
        struct power_supply battery;
        __s32 battery_min;
        __s32 battery_max;
        __s32 battery_report_type;
        __s32 battery_report_id;
#endif

        unsigned int status;                                            /* see STAT flags above */
        unsigned claimed;                                               /* Claimed by hidinput, hiddev? */
        unsigned quirks;                                                /* Various quirks the device can pull on us */
        bool io_started;                                                /* Protected by driver_lock. If IO has started */

        struct list_head inputs;                                        /* The list of inputs */
        void *hiddev;                                                   /* The hiddev structure */
        void *hidraw;
        int minor;                                                      /* Hiddev minor number */

        int open;                                                       /* is the device open by anyone? */
        char name[128];                                                 /* Device name */
        char phys[64];                                                  /* Device physical location */
        char uniq[64];                                                  /* Device unique identifier (serial #) */

        void *driver_data;

        /* temporary hid_ff handling (until moved to the drivers) */
        int (*ff_init)(struct hid_device *);

        /* hiddev event handler */
        int (*hiddev_connect)(struct hid_device *, unsigned int);
        void (*hiddev_disconnect)(struct hid_device *);
        void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field,
                                  struct hid_usage *, __s32);
        void (*hiddev_report_event) (struct hid_device *, struct hid_report *);

        /* handler for raw input (Get_Report) data, used by hidraw */
        int (*hid_get_raw_report) (struct hid_device *, unsigned char, __u8 *, size_t, unsigned char);

        /* handler for raw output data, used by hidraw */
        int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t, unsigned char);

        /* debugging support via debugfs */
        unsigned short debug;
        struct dentry *debug_dir;
        struct dentry *debug_rdesc;
        struct dentry *debug_events;
        struct list_head debug_list;
        spinlock_t  debug_list_lock;
        wait_queue_head_t debug_wait;
};
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