diff options
Diffstat (limited to 'kernel/include/linux/hidraw.h')
| -rw-r--r-- | kernel/include/linux/hidraw.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/kernel/include/linux/hidraw.h b/kernel/include/linux/hidraw.h new file mode 100644 index 000000000..ddf52612e --- /dev/null +++ b/kernel/include/linux/hidraw.h @@ -0,0 +1,59 @@ +/* + * 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. + */ +#ifndef _HIDRAW_H +#define _HIDRAW_H + +#include <uapi/linux/hidraw.h> + + +struct hidraw { + unsigned int minor; + int exist; + int open; + wait_queue_head_t wait; + struct hid_device *hid; + struct device *dev; + spinlock_t list_lock; + 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); +int 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 int hidraw_report_event(struct hid_device *hid, u8 *data, int len) { return 0; } +static inline int hidraw_connect(struct hid_device *hid) { return -1; } +static inline void hidraw_disconnect(struct hid_device *hid) { } +#endif + +#endif |