diff options
Diffstat (limited to 'include/linux/hidraw.h')
| -rw-r--r-- | include/linux/hidraw.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/linux/hidraw.h b/include/linux/hidraw.h new file mode 100644 index 000000000..cd67f4ca5 --- /dev/null +++ b/include/linux/hidraw.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2007 Jiri Kosina + */ +#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 |