projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| ace3d861 DH |
1 | #ifndef __UHID_H_ |
| 2 | #define __UHID_H_ | |
| 3 | ||
| 4 | /* | |
| 5 | * User-space I/O driver support for HID subsystem | |
| 6 | * Copyright (c) 2012 David Herrmann | |
| 7 | */ | |
| 8 | ||
| 9 | /* | |
| 10 | * This program is free software; you can redistribute it and/or modify it | |
| 11 | * under the terms of the GNU General Public License as published by the Free | |
| 12 | * Software Foundation; either version 2 of the License, or (at your option) | |
| 13 | * any later version. | |
| 14 | */ | |
| 15 | ||
| 16 | /* | |
| 17 | * Public header for user-space communication. We try to keep every structure | |
| 18 | * aligned but to be safe we also use __attribute__((__packed__)). Therefore, | |
| 19 | * the communication should be ABI compatible even between architectures. | |
| 20 | */ | |
| 21 | ||
| 22 | #include <linux/input.h> | |
| 23 | #include <linux/types.h> | |
| 24 | ||
| 25 | enum uhid_event_type { | |
| d365c6cf DH |
26 | UHID_CREATE, |
| 27 | UHID_DESTROY, | |
| ec4b7dea DH |
28 | UHID_START, |
| 29 | UHID_STOP, | |
| e7191474 DH |
30 | UHID_OPEN, |
| 31 | UHID_CLOSE, | |
| 3b3baa82 | 32 | UHID_OUTPUT, |
| f80e1360 | 33 | UHID_OUTPUT_EV, |
| 5e87a36a | 34 | UHID_INPUT, |
| fcfcf0de DH |
35 | UHID_FEATURE, |
| 36 | UHID_FEATURE_ANSWER, | |
| ace3d861 DH |
37 | }; |
| 38 | ||
| d365c6cf DH |
39 | struct uhid_create_req { |
| 40 | __u8 name[128]; | |
| 41 | __u8 phys[64]; | |
| 42 | __u8 uniq[64]; | |
| 43 | __u8 __user *rd_data; | |
| 44 | __u16 rd_size; | |
| 45 | ||
| 46 | __u16 bus; | |
| 47 | __u32 vendor; | |
| 48 | __u32 product; | |
| 49 | __u32 version; | |
| 50 | __u32 country; | |
| 51 | } __attribute__((__packed__)); | |
| 52 | ||
| 5e87a36a DH |
53 | #define UHID_DATA_MAX 4096 |
| 54 | ||
| 3b3baa82 DH |
55 | enum uhid_report_type { |
| 56 | UHID_FEATURE_REPORT, | |
| 57 | UHID_OUTPUT_REPORT, | |
| 58 | UHID_INPUT_REPORT, | |
| 59 | }; | |
| 60 | ||
| 5e87a36a DH |
61 | struct uhid_input_req { |
| 62 | __u8 data[UHID_DATA_MAX]; | |
| 63 | __u16 size; | |
| 64 | } __attribute__((__packed__)); | |
| 65 | ||
| 3b3baa82 DH |
66 | struct uhid_output_req { |
| 67 | __u8 data[UHID_DATA_MAX]; | |
| 68 | __u16 size; | |
| 69 | __u8 rtype; | |
| 70 | } __attribute__((__packed__)); | |
| 71 | ||
| f80e1360 DH |
72 | struct uhid_output_ev_req { |
| 73 | __u16 type; | |
| 74 | __u16 code; | |
| 75 | __s32 value; | |
| 76 | } __attribute__((__packed__)); | |
| 77 | ||
| fcfcf0de DH |
78 | struct uhid_feature_req { |
| 79 | __u32 id; | |
| 80 | __u8 rnum; | |
| 81 | __u8 rtype; | |
| 82 | } __attribute__((__packed__)); | |
| 83 | ||
| 84 | struct uhid_feature_answer_req { | |
| 85 | __u32 id; | |
| 86 | __u16 err; | |
| 87 | __u16 size; | |
| 88 | __u8 data[UHID_DATA_MAX]; | |
| 89 | }; | |
| 90 | ||
| ace3d861 DH |
91 | struct uhid_event { |
| 92 | __u32 type; | |
| d365c6cf DH |
93 | |
| 94 | union { | |
| 95 | struct uhid_create_req create; | |
| 5e87a36a | 96 | struct uhid_input_req input; |
| 3b3baa82 | 97 | struct uhid_output_req output; |
| f80e1360 | 98 | struct uhid_output_ev_req output_ev; |
| fcfcf0de DH |
99 | struct uhid_feature_req feature; |
| 100 | struct uhid_feature_answer_req feature_answer; | |
| d365c6cf | 101 | } u; |
| ace3d861 DH |
102 | } __attribute__((__packed__)); |
| 103 | ||
| 104 | #endif /* __UHID_H_ */ |