1 #ifndef _HIDRAW_H 2 #define _HIDRAW_H 3 4 /* 5 * Copyright (c) 2007 Jiri Kosina 6 */ 7 8 /* 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms and conditions of the GNU General Public License, 11 * version 2, as published by the Free Software Foundation. 12 * 13 * You should have received a copy of the GNU General Public License along with 14 * this program; if not, write to the Free Software Foundation, Inc., 15 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 16 */ 17 18 #include <linux/hid.h> 19 #include <linux/types.h> 20 21 struct hidraw_report_descriptor { 22 __u32 size; 23 __u8 value[HID_MAX_DESCRIPTOR_SIZE]; 24 }; 25 26 struct hidraw_devinfo { 27 __u32 bustype; 28 __s16 vendor; 29 __s16 product; 30 }; 31 32 /* ioctl interface */ 33 #define HIDIOCGRDESCSIZE _IOR('H', 0x01, int) 34 #define HIDIOCGRDESC _IOR('H', 0x02, struct hidraw_report_descriptor) 35 #define HIDIOCGRAWINFO _IOR('H', 0x03, struct hidraw_devinfo) 36 #define HIDIOCGRAWNAME(len) _IOC(_IOC_READ, 'H', 0x04, len) 37 #define HIDIOCGRAWPHYS(len) _IOC(_IOC_READ, 'H', 0x05, len) 38 39 #define HIDRAW_FIRST_MINOR 0 40 #define HIDRAW_MAX_DEVICES 64 41 /* number of reports to buffer */ 42 #define HIDRAW_BUFFER_SIZE 64 43 44 45 /* kernel-only API declarations */ 46 #ifdef __KERNEL__ 47 48 struct hidraw { 49 unsigned int minor; 50 int exist; 51 int open; 52 wait_queue_head_t wait; 53 struct hid_device *hid; 54 struct device *dev; 55 struct list_head list; 56 }; 57 58 struct hidraw_report { 59 __u8 *value; 60 int len; 61 }; 62 63 struct hidraw_list { 64 struct hidraw_report buffer[HIDRAW_BUFFER_SIZE]; 65 int head; 66 int tail; 67 struct fasync_struct *fasync; 68 struct hidraw *hidraw; 69 struct list_head node; 70 struct mutex read_mutex; 71 }; 72 73 #ifdef CONFIG_HIDRAW 74 int hidraw_init(void); 75 void hidraw_exit(void); 76 void hidraw_report_event(struct hid_device *, u8 *, int); 77 int hidraw_connect(struct hid_device *); 78 void hidraw_disconnect(struct hid_device *); 79 #else 80 static inline int hidraw_init(void) { return 0; } 81 static inline void hidraw_exit(void) { } 82 static inline void hidraw_report_event(struct hid_device *hid, u8 *data, int len) { } 83 static inline int hidraw_connect(struct hid_device *hid) { return -1; } 84 static inline void hidraw_disconnect(struct hid_device *hid) { } 85 #endif 86 87 #endif 88 89 #endif 90
