2 files changed, 91 insertions, 0 deletions

diff --git a/include/linux/hid.h b/include/linux/hid.h
index 898103b401f1..0ac2b5260b26 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -403,6 +403,7 @@ struct hid_control_fifo {
 
 #define HID_CLAIMED_INPUT       1
 #define HID_CLAIMED_HIDDEV      2
+#define HID_CLAIMED_HIDRAW      4
 
 #define HID_CTRL_RUNNING        1
 #define HID_OUT_RUNNING         2
@@ -438,6 +439,7 @@ struct hid_device {							/* device report descriptor */
 
         struct list_head inputs;                                        /* The list of inputs */
         void *hiddev;                                                   /* The hiddev structure */
+        void *hidraw;
         int minor;                                                      /* Hiddev minor number */
 
         wait_queue_head_t wait;                                         /* For sleeping */
@@ -458,6 +460,9 @@ struct hid_device {							/* device report descriptor */
         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 output data, used by hidraw */
+        int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t);
 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
         unsigned long pb_pressed_fn[NBITS(KEY_MAX)];
         unsigned long pb_pressed_numlock[NBITS(KEY_MAX)];
diff --git a/include/linux/hidraw.h b/include/linux/hidraw.h
new file mode 100644
index 000000000000..6676cd5e9954
--- /dev/null
+++ b/include/linux/hidraw.h
@@ -0,0 +1,86 @@
+#ifndef _HIDRAW_H
+#define _HIDRAW_H
+
+/*
+ *  Copyright (c) 2007 Jiri Kosina
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+struct hidraw_report_descriptor {
+        __u32 size;
+        __u8 *value;
+};
+
+struct hidraw_devinfo {
+        __u32 bustype;
+        __s16 vendor;
+        __s16 product;
+};
+
+/* ioctl interface */
+#define HIDIOCGRDESCSIZE        _IOR('H', 0x01, int)
+#define HIDIOCGRDESC            _IOR('H', 0x02, struct hidraw_report_descriptor)
+#define HIDIOCGRAWINFO          _IOR('H', 0x03, struct hidraw_devinfo)
+
+#define HIDRAW_FIRST_MINOR 0
+#define HIDRAW_MAX_DEVICES 64
+/* number of reports to buffer */
+#define HIDRAW_BUFFER_SIZE 64
+
+
+/* kernel-only API declarations */
+#ifdef __KERNEL__
+
+#include <linux/hid.h>
+
+struct hidraw {
+        unsigned int minor;
+        int exist;
+        int open;
+        wait_queue_head_t wait;
+        struct hid_device *hid;
+        struct device *dev;
+        struct list_head list;
+};
+
+struct hidraw_report {
+        __u8 *value;
+        int len;
+};
+
+struct hidraw_list {
+        struct hidraw_report buffer[HIDRAW_BUFFER_SIZE];
+        int head;
+        int tail;
+        struct fasync_struct *fasync;
+        struct hidraw *hidraw;
+        struct list_head node;
+        struct mutex read_mutex;
+};
+
+#ifdef CONFIG_HIDRAW
+int hidraw_init(void);
+void hidraw_exit(void);
+void hidraw_report_event(struct hid_device *, u8 *, int);
+int hidraw_connect(struct hid_device *);
+void hidraw_disconnect(struct hid_device *);
+#else
+static inline int hidraw_init(void) { return 0; }
+static inline void hidraw_exit(void) { }
+static inline void hidraw_report_event(struct hid_device *hid, u8 *data, int len) { }
+static inline int hidraw_connect(struct hid_device *hid) { return -1; }
+static inline void hidraw_disconnect(struct hid_device *hid) { }
+#endif
+
+#endif
+
+#endif