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 /* The first byte of SFEATURE and GFEATURE is the report number */ 39 #define HIDIOCSFEATURE(len) _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x06, len) 40 #define HIDIOCGFEATURE(len) _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x07, len) 41 42 #define HIDRAW_FIRST_MINOR 0 43 #define HIDRAW_MAX_DEVICES 64 44 /* number of reports to buffer */ 45 #define HIDRAW_BUFFER_SIZE 64 46 47 48 /* kernel-only API declarations */ 49 #ifdef __KERNEL__ 50 51 struct hidraw { 52 unsigned int minor; 53 int exist; 54 int open; 55 wait_queue_head_t wait; 56 struct hid_device *hid; 57 struct device *dev; 58 struct list_head list; 59 }; 60 61 struct hidraw_report { 62 __u8 *value; 63 int len; 64 }; 65 66 struct hidraw_list { 67 struct hidraw_report buffer[HIDRAW_BUFFER_SIZE]; 68 int head; 69 int tail; 70 struct fasync_struct *fasync; 71 struct hidraw *hidraw; 72 struct list_head node; 73 struct mutex read_mutex; 74 }; 75 76 #ifdef CONFIG_HIDRAW 77 int hidraw_init(void); 78 void hidraw_exit(void); 79 void hidraw_report_event(struct hid_device *, u8 *, int); 80 int hidraw_connect(struct hid_device *); 81 void hidraw_disconnect(struct hid_device *); 82 #else 83 static inline int hidraw_init(void) { return 0; } 84 static inline void hidraw_exit(void) { } 85 static inline void hidraw_report_event(struct hid_device *hid, u8 *data, int len) { } 86 static inline int hidraw_connect(struct hid_device *hid) { return -1; } 87 static inline void hidraw_disconnect(struct hid_device *hid) { } 88 #endif 89 90 #endif 91 92 #endif 93