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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /include/linux/hidraw.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'include/linux/hidraw.h')
-rw-r--r--include/linux/hidraw.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/include/linux/hidraw.h b/include/linux/hidraw.h
new file mode 100644
index 00000000..4b88e697
--- /dev/null
+++ b/include/linux/hidraw.h
@@ -0,0 +1,92 @@
+#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.
+ */
+
+#include <linux/hid.h>
+#include <linux/types.h>
+
+struct hidraw_report_descriptor {
+ __u32 size;
+ __u8 value[HID_MAX_DESCRIPTOR_SIZE];
+};
+
+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 HIDIOCGRAWNAME(len) _IOC(_IOC_READ, 'H', 0x04, len)
+#define HIDIOCGRAWPHYS(len) _IOC(_IOC_READ, 'H', 0x05, len)
+/* The first byte of SFEATURE and GFEATURE is the report number */
+#define HIDIOCSFEATURE(len) _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x06, len)
+#define HIDIOCGFEATURE(len) _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x07, len)
+
+#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__
+
+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