mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 05:34:00 +08:00
9188e79ec3
The hiddev interface provides ioctl() calls which can be used to obtain phys and raw name of the underlying device. Add the corresponding support also into hidraw. Signed-off-by: Jiri Kosina <jkosina@suse.cz>
90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
#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)
|
|
|
|
#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
|