==================================
HID device simple driver interface
==================================
This patch include the header file for this API.
I am sorry for sendding patches in the attachment, beacause of my
mail client always break TAB into some spaces.
Good luck.
-Liyu
==================================
HID device simple driver interface
==================================
This patch include the header file for this API.
Signed-off-by: Yu Li <[email protected]>
diff -Naurp linux-2.6.17.6/drivers/usb/input.orig/hid-simple.h linux-2.6.17.6/drivers/usb/input/hid-simple.h
--- linux-2.6.17.6/drivers/usb/input.orig/hid-simple.h 1970-01-01 08:00:00.000000000 +0800
+++ linux-2.6.17.6/drivers/usb/input/hid-simple.h 2006-07-26 09:42:36.000000000 +0800
@@ -0,0 +1,106 @@
+/*
+ * NOTE:
+ * For use me , you must include hid.h in your source first.
+ */
+#ifndef __HID_SIMPLE_H
+#define __HID_SIMPLE_H
+
+/* list_*_entry like interface */
+/* FIXME: Would you like move them to include/linux/list.h ? */
+#define list_for_each_continue(pos, head) \
+ for ((pos) = (pos)->next; \
+ prefetch((pos)->next), (pos) != (head); \
+ (pos) = (pos)->next)
+#define list_prepare(pos, head) ((pos) ? : head)
+
+#include <linux/usb.h>
+/***** The private section for simple device implement only *****/
+
+/*
+ * matched_device record one device which hid-subsystem handle, it may
+ * be one simple device can not handle.
+ *
+ * The element of matched_device list is inserted at hidinput_connect(),
+ * and is removed at hidinput_disconnect().
+ */
+struct matched_device {
+ struct usb_interface *intf;
+ struct list_head node;
+};
+
+/*
+ * raw_simple_driver record one device which hid simple device handle.
+ * It used as one member of hid_simple_driver.
+ */
+
+struct raw_simple_device {
+ struct usb_interface *intf;
+ struct list_head node;
+};
+
+
+/* simple device internal flags */
+#define HIDINPUT_SIMPLE_SETUP_USAGE 0x1 /* the reverse is to call clear_usage */
+
+#define hidinput_simple_driver_setup_usage(hid) \
+do {\
+ if (hid->simple) {\
+ hid->simple->flags |= HIDINPUT_SIMPLE_SETUP_USAGE; \
+ hidinput_simple_driver_configure_usage(hid); \
+ }\
+} while (0)
+
+#define hidinput_simple_driver_clear_usage(hid) \
+do {\
+ if (hid->simple) {\
+ hid->simple->flags &= (~HIDINPUT_SIMPLE_SETUP_USAGE); \
+ hidinput_simple_driver_configure_usage(hid); \
+ }\
+} while (0)
+
+/* Note again here, you must include hid.h in your source first. */
+
+struct hidinput_simple_driver;
+void hidinput_simple_driver_configure_usage(struct hid_device *hid);
+int hidinput_simple_driver_init(struct hidinput_simple_driver *simple);
+int hidinput_simple_driver_push(struct hidinput_simple_driver *simple,
+ struct matched_device *dev);
+void hidinput_simple_driver_pop(struct hidinput_simple_driver *simple,
+ struct matched_device *dev);
+void hidinput_simple_driver_clear(struct hidinput_simple_driver *simple);
+int hidinput_simple_driver_connect(struct hidinput_simple_driver *simple,
+ struct hid_device *hid);
+void hidinput_simple_driver_disconnect(struct hid_device *hid);
+
+
+/***** The private section end. *****/
+
+
+/***** The public interface for simple device driver *****/
+struct hidinput_simple_driver {
+/* private */
+ struct list_head node; /* link with simple_drivers_list */
+ struct list_head raw_devices;
+ int flags;
+/* public */
+ char *name;
+ int (*connect)(struct hid_device *, struct hid_input *);
+ void (*setup_usage)(struct hid_field *, struct hid_usage *);
+ int (*pre_event)(const struct hid_device *, const struct hid_field *,
+ const struct hid_usage *, const __s32,
+ const struct pt_regs *regs);
+ int (*post_event)(const struct hid_device *, const struct hid_field *,
+ const struct hid_usage *, const __s32,
+ const struct pt_regs *regs);
+ void (*clear_usage)(struct hid_field *, struct hid_usage *);
+ void (*disconnect)(struct hid_device *, struct hid_input *);
+ void *private;
+ struct usb_device_id *id_table;
+};
+
+
+int hidinput_register_simple_driver(struct hidinput_simple_driver *device);
+void hidinput_unregister_simple_driver(struct hidinput_simple_driver *device);
+
+/********************* The public section end ***********/
+#endif /* __HID_SIMPLE_H */
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