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TOMOYO Linux Cross Reference
Linux/include/linux/hid.h

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /include/linux/hid.h (Version linux-6.12-rc7) and /include/linux/hid.h (Version linux-6.3.13)


  1 /* SPDX-License-Identifier: GPL-2.0-or-later *      1 /* SPDX-License-Identifier: GPL-2.0-or-later */
  2 /*                                                  2 /*
  3  *  Copyright (c) 1999 Andreas Gal                  3  *  Copyright (c) 1999 Andreas Gal
  4  *  Copyright (c) 2000-2001 Vojtech Pavlik          4  *  Copyright (c) 2000-2001 Vojtech Pavlik
  5  *  Copyright (c) 2006-2007 Jiri Kosina             5  *  Copyright (c) 2006-2007 Jiri Kosina
  6  */                                                 6  */
  7 /*                                                  7 /*
  8  *                                                  8  *
  9  * Should you need to contact me, the author,       9  * Should you need to contact me, the author, you can do so either by
 10  * e-mail - mail your message to <vojtech@ucw.     10  * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
 11  * Vojtech Pavlik, Simunkova 1594, Prague 8, 1     11  * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
 12  */                                                12  */
 13 #ifndef __HID_H                                    13 #ifndef __HID_H
 14 #define __HID_H                                    14 #define __HID_H
 15                                                    15 
 16                                                    16 
 17 #include <linux/bitops.h>                          17 #include <linux/bitops.h>
 18 #include <linux/types.h>                           18 #include <linux/types.h>
 19 #include <linux/slab.h>                            19 #include <linux/slab.h>
 20 #include <linux/list.h>                            20 #include <linux/list.h>
 21 #include <linux/mod_devicetable.h> /* hid_devi     21 #include <linux/mod_devicetable.h> /* hid_device_id */
 22 #include <linux/timer.h>                           22 #include <linux/timer.h>
 23 #include <linux/workqueue.h>                       23 #include <linux/workqueue.h>
 24 #include <linux/input.h>                           24 #include <linux/input.h>
 25 #include <linux/semaphore.h>                       25 #include <linux/semaphore.h>
 26 #include <linux/mutex.h>                           26 #include <linux/mutex.h>
 27 #include <linux/power_supply.h>                    27 #include <linux/power_supply.h>
 28 #include <uapi/linux/hid.h>                        28 #include <uapi/linux/hid.h>
 29 #include <linux/hid_bpf.h>                         29 #include <linux/hid_bpf.h>
 30                                                    30 
 31 /*                                                 31 /*
 32  * We parse each description item into this st     32  * We parse each description item into this structure. Short items data
 33  * values are expanded to 32-bit signed int, l     33  * values are expanded to 32-bit signed int, long items contain a pointer
 34  * into the data area.                             34  * into the data area.
 35  */                                                35  */
 36                                                    36 
 37 struct hid_item {                                  37 struct hid_item {
 38         unsigned  format;                          38         unsigned  format;
 39         __u8      size;                            39         __u8      size;
 40         __u8      type;                            40         __u8      type;
 41         __u8      tag;                             41         __u8      tag;
 42         union {                                    42         union {
 43             __u8   u8;                             43             __u8   u8;
 44             __s8   s8;                             44             __s8   s8;
 45             __u16  u16;                            45             __u16  u16;
 46             __s16  s16;                            46             __s16  s16;
 47             __u32  u32;                            47             __u32  u32;
 48             __s32  s32;                            48             __s32  s32;
 49             const __u8  *longdata;             !!  49             __u8  *longdata;
 50         } data;                                    50         } data;
 51 };                                                 51 };
 52                                                    52 
 53 /*                                                 53 /*
 54  * HID report item format                          54  * HID report item format
 55  */                                                55  */
 56                                                    56 
 57 #define HID_ITEM_FORMAT_SHORT   0                  57 #define HID_ITEM_FORMAT_SHORT   0
 58 #define HID_ITEM_FORMAT_LONG    1                  58 #define HID_ITEM_FORMAT_LONG    1
 59                                                    59 
 60 /*                                                 60 /*
 61  * Special tag indicating long items               61  * Special tag indicating long items
 62  */                                                62  */
 63                                                    63 
 64 #define HID_ITEM_TAG_LONG       15                 64 #define HID_ITEM_TAG_LONG       15
 65                                                    65 
 66 /*                                                 66 /*
 67  * HID report descriptor item type (prefix bit     67  * HID report descriptor item type (prefix bit 2,3)
 68  */                                                68  */
 69                                                    69 
 70 #define HID_ITEM_TYPE_MAIN              0          70 #define HID_ITEM_TYPE_MAIN              0
 71 #define HID_ITEM_TYPE_GLOBAL            1          71 #define HID_ITEM_TYPE_GLOBAL            1
 72 #define HID_ITEM_TYPE_LOCAL             2          72 #define HID_ITEM_TYPE_LOCAL             2
 73 #define HID_ITEM_TYPE_RESERVED          3          73 #define HID_ITEM_TYPE_RESERVED          3
 74                                                    74 
 75 /*                                                 75 /*
 76  * HID report descriptor main item tags            76  * HID report descriptor main item tags
 77  */                                                77  */
 78                                                    78 
 79 #define HID_MAIN_ITEM_TAG_INPUT                    79 #define HID_MAIN_ITEM_TAG_INPUT                 8
 80 #define HID_MAIN_ITEM_TAG_OUTPUT                   80 #define HID_MAIN_ITEM_TAG_OUTPUT                9
 81 #define HID_MAIN_ITEM_TAG_FEATURE                  81 #define HID_MAIN_ITEM_TAG_FEATURE               11
 82 #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION         82 #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION      10
 83 #define HID_MAIN_ITEM_TAG_END_COLLECTION           83 #define HID_MAIN_ITEM_TAG_END_COLLECTION        12
 84                                                    84 
 85 /*                                                 85 /*
 86  * HID report descriptor main item contents        86  * HID report descriptor main item contents
 87  */                                                87  */
 88                                                    88 
 89 #define HID_MAIN_ITEM_CONSTANT          0x001      89 #define HID_MAIN_ITEM_CONSTANT          0x001
 90 #define HID_MAIN_ITEM_VARIABLE          0x002      90 #define HID_MAIN_ITEM_VARIABLE          0x002
 91 #define HID_MAIN_ITEM_RELATIVE          0x004      91 #define HID_MAIN_ITEM_RELATIVE          0x004
 92 #define HID_MAIN_ITEM_WRAP              0x008      92 #define HID_MAIN_ITEM_WRAP              0x008
 93 #define HID_MAIN_ITEM_NONLINEAR         0x010      93 #define HID_MAIN_ITEM_NONLINEAR         0x010
 94 #define HID_MAIN_ITEM_NO_PREFERRED      0x020      94 #define HID_MAIN_ITEM_NO_PREFERRED      0x020
 95 #define HID_MAIN_ITEM_NULL_STATE        0x040      95 #define HID_MAIN_ITEM_NULL_STATE        0x040
 96 #define HID_MAIN_ITEM_VOLATILE          0x080      96 #define HID_MAIN_ITEM_VOLATILE          0x080
 97 #define HID_MAIN_ITEM_BUFFERED_BYTE     0x100      97 #define HID_MAIN_ITEM_BUFFERED_BYTE     0x100
 98                                                    98 
 99 /*                                                 99 /*
100  * HID report descriptor collection item types    100  * HID report descriptor collection item types
101  */                                               101  */
102                                                   102 
103 #define HID_COLLECTION_PHYSICAL         0         103 #define HID_COLLECTION_PHYSICAL         0
104 #define HID_COLLECTION_APPLICATION      1         104 #define HID_COLLECTION_APPLICATION      1
105 #define HID_COLLECTION_LOGICAL          2         105 #define HID_COLLECTION_LOGICAL          2
106 #define HID_COLLECTION_NAMED_ARRAY      4         106 #define HID_COLLECTION_NAMED_ARRAY      4
107                                                   107 
108 /*                                                108 /*
109  * HID report descriptor global item tags         109  * HID report descriptor global item tags
110  */                                               110  */
111                                                   111 
112 #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE            112 #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE          0
113 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM       113 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM     1
114 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM       114 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM     2
115 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM      115 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM    3
116 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM      116 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM    4
117 #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT         117 #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT       5
118 #define HID_GLOBAL_ITEM_TAG_UNIT                  118 #define HID_GLOBAL_ITEM_TAG_UNIT                6
119 #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE           119 #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE         7
120 #define HID_GLOBAL_ITEM_TAG_REPORT_ID             120 #define HID_GLOBAL_ITEM_TAG_REPORT_ID           8
121 #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT          121 #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT        9
122 #define HID_GLOBAL_ITEM_TAG_PUSH                  122 #define HID_GLOBAL_ITEM_TAG_PUSH                10
123 #define HID_GLOBAL_ITEM_TAG_POP                   123 #define HID_GLOBAL_ITEM_TAG_POP                 11
124                                                   124 
125 /*                                                125 /*
126  * HID report descriptor local item tags          126  * HID report descriptor local item tags
127  */                                               127  */
128                                                   128 
129 #define HID_LOCAL_ITEM_TAG_USAGE                  129 #define HID_LOCAL_ITEM_TAG_USAGE                0
130 #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM          130 #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM        1
131 #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM          131 #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM        2
132 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX       132 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX     3
133 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM     133 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM   4
134 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM     134 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM   5
135 #define HID_LOCAL_ITEM_TAG_STRING_INDEX           135 #define HID_LOCAL_ITEM_TAG_STRING_INDEX         7
136 #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM         136 #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM       8
137 #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM         137 #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM       9
138 #define HID_LOCAL_ITEM_TAG_DELIMITER              138 #define HID_LOCAL_ITEM_TAG_DELIMITER            10
139                                                   139 
140 /*                                                140 /*
141  * HID usage tables                               141  * HID usage tables
142  */                                               142  */
143                                                   143 
144 #define HID_USAGE_PAGE          0xffff0000        144 #define HID_USAGE_PAGE          0xffff0000
145                                                   145 
146 #define HID_UP_UNDEFINED        0x00000000        146 #define HID_UP_UNDEFINED        0x00000000
147 #define HID_UP_GENDESK          0x00010000        147 #define HID_UP_GENDESK          0x00010000
148 #define HID_UP_SIMULATION       0x00020000        148 #define HID_UP_SIMULATION       0x00020000
149 #define HID_UP_GENDEVCTRLS      0x00060000        149 #define HID_UP_GENDEVCTRLS      0x00060000
150 #define HID_UP_KEYBOARD         0x00070000        150 #define HID_UP_KEYBOARD         0x00070000
151 #define HID_UP_LED              0x00080000        151 #define HID_UP_LED              0x00080000
152 #define HID_UP_BUTTON           0x00090000        152 #define HID_UP_BUTTON           0x00090000
153 #define HID_UP_ORDINAL          0x000a0000        153 #define HID_UP_ORDINAL          0x000a0000
154 #define HID_UP_TELEPHONY        0x000b0000        154 #define HID_UP_TELEPHONY        0x000b0000
155 #define HID_UP_CONSUMER         0x000c0000        155 #define HID_UP_CONSUMER         0x000c0000
156 #define HID_UP_DIGITIZER        0x000d0000        156 #define HID_UP_DIGITIZER        0x000d0000
157 #define HID_UP_PID              0x000f0000        157 #define HID_UP_PID              0x000f0000
158 #define HID_UP_BATTERY          0x00850000        158 #define HID_UP_BATTERY          0x00850000
159 #define HID_UP_CAMERA           0x00900000     << 
160 #define HID_UP_HPVENDOR         0xff7f0000        159 #define HID_UP_HPVENDOR         0xff7f0000
161 #define HID_UP_HPVENDOR2        0xff010000        160 #define HID_UP_HPVENDOR2        0xff010000
162 #define HID_UP_MSVENDOR         0xff000000        161 #define HID_UP_MSVENDOR         0xff000000
163 #define HID_UP_CUSTOM           0x00ff0000        162 #define HID_UP_CUSTOM           0x00ff0000
164 #define HID_UP_LOGIVENDOR       0xffbc0000        163 #define HID_UP_LOGIVENDOR       0xffbc0000
165 #define HID_UP_LOGIVENDOR2   0xff090000           164 #define HID_UP_LOGIVENDOR2   0xff090000
166 #define HID_UP_LOGIVENDOR3   0xff430000           165 #define HID_UP_LOGIVENDOR3   0xff430000
167 #define HID_UP_LNVENDOR         0xffa00000        166 #define HID_UP_LNVENDOR         0xffa00000
168 #define HID_UP_SENSOR           0x00200000        167 #define HID_UP_SENSOR           0x00200000
169 #define HID_UP_ASUSVENDOR       0xff310000        168 #define HID_UP_ASUSVENDOR       0xff310000
170 #define HID_UP_GOOGLEVENDOR     0xffd10000        169 #define HID_UP_GOOGLEVENDOR     0xffd10000
171                                                   170 
172 #define HID_USAGE               0x0000ffff        171 #define HID_USAGE               0x0000ffff
173                                                   172 
174 #define HID_GD_POINTER          0x00010001        173 #define HID_GD_POINTER          0x00010001
175 #define HID_GD_MOUSE            0x00010002        174 #define HID_GD_MOUSE            0x00010002
176 #define HID_GD_JOYSTICK         0x00010004        175 #define HID_GD_JOYSTICK         0x00010004
177 #define HID_GD_GAMEPAD          0x00010005        176 #define HID_GD_GAMEPAD          0x00010005
178 #define HID_GD_KEYBOARD         0x00010006        177 #define HID_GD_KEYBOARD         0x00010006
179 #define HID_GD_KEYPAD           0x00010007        178 #define HID_GD_KEYPAD           0x00010007
180 #define HID_GD_MULTIAXIS        0x00010008        179 #define HID_GD_MULTIAXIS        0x00010008
181 /*                                                180 /*
182  * Microsoft Win8 Wireless Radio Controls exte    181  * Microsoft Win8 Wireless Radio Controls extensions CA, see:
183  * http://www.usb.org/developers/hidpage/HUTRR    182  * http://www.usb.org/developers/hidpage/HUTRR40RadioHIDUsagesFinal.pdf
184  */                                               183  */
185 #define HID_GD_WIRELESS_RADIO_CTLS      0x0001    184 #define HID_GD_WIRELESS_RADIO_CTLS      0x0001000c
186 /*                                                185 /*
187  * System Multi-Axis, see:                        186  * System Multi-Axis, see:
188  * http://www.usb.org/developers/hidpage/HUTRR    187  * http://www.usb.org/developers/hidpage/HUTRR62_-_Generic_Desktop_CA_for_System_Multi-Axis_Controllers.txt
189  */                                               188  */
190 #define HID_GD_SYSTEM_MULTIAXIS 0x0001000e        189 #define HID_GD_SYSTEM_MULTIAXIS 0x0001000e
191                                                   190 
192 #define HID_GD_X                0x00010030        191 #define HID_GD_X                0x00010030
193 #define HID_GD_Y                0x00010031        192 #define HID_GD_Y                0x00010031
194 #define HID_GD_Z                0x00010032        193 #define HID_GD_Z                0x00010032
195 #define HID_GD_RX               0x00010033        194 #define HID_GD_RX               0x00010033
196 #define HID_GD_RY               0x00010034        195 #define HID_GD_RY               0x00010034
197 #define HID_GD_RZ               0x00010035        196 #define HID_GD_RZ               0x00010035
198 #define HID_GD_SLIDER           0x00010036        197 #define HID_GD_SLIDER           0x00010036
199 #define HID_GD_DIAL             0x00010037        198 #define HID_GD_DIAL             0x00010037
200 #define HID_GD_WHEEL            0x00010038        199 #define HID_GD_WHEEL            0x00010038
201 #define HID_GD_HATSWITCH        0x00010039        200 #define HID_GD_HATSWITCH        0x00010039
202 #define HID_GD_BUFFER           0x0001003a        201 #define HID_GD_BUFFER           0x0001003a
203 #define HID_GD_BYTECOUNT        0x0001003b        202 #define HID_GD_BYTECOUNT        0x0001003b
204 #define HID_GD_MOTION           0x0001003c        203 #define HID_GD_MOTION           0x0001003c
205 #define HID_GD_START            0x0001003d        204 #define HID_GD_START            0x0001003d
206 #define HID_GD_SELECT           0x0001003e        205 #define HID_GD_SELECT           0x0001003e
207 #define HID_GD_VX               0x00010040        206 #define HID_GD_VX               0x00010040
208 #define HID_GD_VY               0x00010041        207 #define HID_GD_VY               0x00010041
209 #define HID_GD_VZ               0x00010042        208 #define HID_GD_VZ               0x00010042
210 #define HID_GD_VBRX             0x00010043        209 #define HID_GD_VBRX             0x00010043
211 #define HID_GD_VBRY             0x00010044        210 #define HID_GD_VBRY             0x00010044
212 #define HID_GD_VBRZ             0x00010045        211 #define HID_GD_VBRZ             0x00010045
213 #define HID_GD_VNO              0x00010046        212 #define HID_GD_VNO              0x00010046
214 #define HID_GD_FEATURE          0x00010047        213 #define HID_GD_FEATURE          0x00010047
215 #define HID_GD_RESOLUTION_MULTIPLIER    0x0001    214 #define HID_GD_RESOLUTION_MULTIPLIER    0x00010048
216 #define HID_GD_SYSTEM_CONTROL   0x00010080        215 #define HID_GD_SYSTEM_CONTROL   0x00010080
217 #define HID_GD_UP               0x00010090        216 #define HID_GD_UP               0x00010090
218 #define HID_GD_DOWN             0x00010091        217 #define HID_GD_DOWN             0x00010091
219 #define HID_GD_RIGHT            0x00010092        218 #define HID_GD_RIGHT            0x00010092
220 #define HID_GD_LEFT             0x00010093        219 #define HID_GD_LEFT             0x00010093
221 /* Microsoft Win8 Wireless Radio Controls CA u    220 /* Microsoft Win8 Wireless Radio Controls CA usage codes */
222 #define HID_GD_RFKILL_BTN       0x000100c6        221 #define HID_GD_RFKILL_BTN       0x000100c6
223 #define HID_GD_RFKILL_LED       0x000100c7        222 #define HID_GD_RFKILL_LED       0x000100c7
224 #define HID_GD_RFKILL_SWITCH    0x000100c8        223 #define HID_GD_RFKILL_SWITCH    0x000100c8
225                                                   224 
226 #define HID_DC_BATTERYSTRENGTH  0x00060020        225 #define HID_DC_BATTERYSTRENGTH  0x00060020
227                                                   226 
228 #define HID_CP_CONSUMER_CONTROL 0x000c0001        227 #define HID_CP_CONSUMER_CONTROL 0x000c0001
229 #define HID_CP_AC_PAN           0x000c0238        228 #define HID_CP_AC_PAN           0x000c0238
230                                                   229 
231 #define HID_DG_DIGITIZER        0x000d0001        230 #define HID_DG_DIGITIZER        0x000d0001
232 #define HID_DG_PEN              0x000d0002        231 #define HID_DG_PEN              0x000d0002
233 #define HID_DG_LIGHTPEN         0x000d0003        232 #define HID_DG_LIGHTPEN         0x000d0003
234 #define HID_DG_TOUCHSCREEN      0x000d0004        233 #define HID_DG_TOUCHSCREEN      0x000d0004
235 #define HID_DG_TOUCHPAD         0x000d0005        234 #define HID_DG_TOUCHPAD         0x000d0005
236 #define HID_DG_WHITEBOARD       0x000d0006        235 #define HID_DG_WHITEBOARD       0x000d0006
237 #define HID_DG_STYLUS           0x000d0020        236 #define HID_DG_STYLUS           0x000d0020
238 #define HID_DG_PUCK             0x000d0021        237 #define HID_DG_PUCK             0x000d0021
239 #define HID_DG_FINGER           0x000d0022        238 #define HID_DG_FINGER           0x000d0022
240 #define HID_DG_TIPPRESSURE      0x000d0030        239 #define HID_DG_TIPPRESSURE      0x000d0030
241 #define HID_DG_BARRELPRESSURE   0x000d0031        240 #define HID_DG_BARRELPRESSURE   0x000d0031
242 #define HID_DG_INRANGE          0x000d0032        241 #define HID_DG_INRANGE          0x000d0032
243 #define HID_DG_TOUCH            0x000d0033        242 #define HID_DG_TOUCH            0x000d0033
244 #define HID_DG_UNTOUCH          0x000d0034        243 #define HID_DG_UNTOUCH          0x000d0034
245 #define HID_DG_TAP              0x000d0035        244 #define HID_DG_TAP              0x000d0035
246 #define HID_DG_TRANSDUCER_INDEX 0x000d0038        245 #define HID_DG_TRANSDUCER_INDEX 0x000d0038
247 #define HID_DG_TABLETFUNCTIONKEY        0x000d    246 #define HID_DG_TABLETFUNCTIONKEY        0x000d0039
248 #define HID_DG_PROGRAMCHANGEKEY 0x000d003a        247 #define HID_DG_PROGRAMCHANGEKEY 0x000d003a
249 #define HID_DG_BATTERYSTRENGTH  0x000d003b        248 #define HID_DG_BATTERYSTRENGTH  0x000d003b
250 #define HID_DG_INVERT           0x000d003c        249 #define HID_DG_INVERT           0x000d003c
251 #define HID_DG_TILT_X           0x000d003d        250 #define HID_DG_TILT_X           0x000d003d
252 #define HID_DG_TILT_Y           0x000d003e        251 #define HID_DG_TILT_Y           0x000d003e
253 #define HID_DG_TWIST            0x000d0041        252 #define HID_DG_TWIST            0x000d0041
254 #define HID_DG_TIPSWITCH        0x000d0042        253 #define HID_DG_TIPSWITCH        0x000d0042
255 #define HID_DG_TIPSWITCH2       0x000d0043        254 #define HID_DG_TIPSWITCH2       0x000d0043
256 #define HID_DG_BARRELSWITCH     0x000d0044        255 #define HID_DG_BARRELSWITCH     0x000d0044
257 #define HID_DG_ERASER           0x000d0045        256 #define HID_DG_ERASER           0x000d0045
258 #define HID_DG_TABLETPICK       0x000d0046        257 #define HID_DG_TABLETPICK       0x000d0046
259 #define HID_DG_PEN_COLOR                          258 #define HID_DG_PEN_COLOR                        0x000d005c
260 #define HID_DG_PEN_LINE_WIDTH                     259 #define HID_DG_PEN_LINE_WIDTH                   0x000d005e
261 #define HID_DG_PEN_LINE_STYLE                     260 #define HID_DG_PEN_LINE_STYLE                   0x000d0070
262 #define HID_DG_PEN_LINE_STYLE_INK                 261 #define HID_DG_PEN_LINE_STYLE_INK               0x000d0072
263 #define HID_DG_PEN_LINE_STYLE_PENCIL              262 #define HID_DG_PEN_LINE_STYLE_PENCIL            0x000d0073
264 #define HID_DG_PEN_LINE_STYLE_HIGHLIGHTER         263 #define HID_DG_PEN_LINE_STYLE_HIGHLIGHTER       0x000d0074
265 #define HID_DG_PEN_LINE_STYLE_CHISEL_MARKER       264 #define HID_DG_PEN_LINE_STYLE_CHISEL_MARKER     0x000d0075
266 #define HID_DG_PEN_LINE_STYLE_BRUSH               265 #define HID_DG_PEN_LINE_STYLE_BRUSH             0x000d0076
267 #define HID_DG_PEN_LINE_STYLE_NO_PREFERENCE       266 #define HID_DG_PEN_LINE_STYLE_NO_PREFERENCE     0x000d0077
268                                                   267 
269 #define HID_CP_CONSUMERCONTROL  0x000c0001        268 #define HID_CP_CONSUMERCONTROL  0x000c0001
270 #define HID_CP_NUMERICKEYPAD    0x000c0002        269 #define HID_CP_NUMERICKEYPAD    0x000c0002
271 #define HID_CP_PROGRAMMABLEBUTTONS      0x000c    270 #define HID_CP_PROGRAMMABLEBUTTONS      0x000c0003
272 #define HID_CP_MICROPHONE       0x000c0004        271 #define HID_CP_MICROPHONE       0x000c0004
273 #define HID_CP_HEADPHONE        0x000c0005        272 #define HID_CP_HEADPHONE        0x000c0005
274 #define HID_CP_GRAPHICEQUALIZER 0x000c0006        273 #define HID_CP_GRAPHICEQUALIZER 0x000c0006
275 #define HID_CP_FUNCTIONBUTTONS  0x000c0036        274 #define HID_CP_FUNCTIONBUTTONS  0x000c0036
276 #define HID_CP_SELECTION        0x000c0080        275 #define HID_CP_SELECTION        0x000c0080
277 #define HID_CP_MEDIASELECTION   0x000c0087        276 #define HID_CP_MEDIASELECTION   0x000c0087
278 #define HID_CP_SELECTDISC       0x000c00ba        277 #define HID_CP_SELECTDISC       0x000c00ba
279 #define HID_CP_VOLUMEUP         0x000c00e9        278 #define HID_CP_VOLUMEUP         0x000c00e9
280 #define HID_CP_VOLUMEDOWN       0x000c00ea        279 #define HID_CP_VOLUMEDOWN       0x000c00ea
281 #define HID_CP_PLAYBACKSPEED    0x000c00f1        280 #define HID_CP_PLAYBACKSPEED    0x000c00f1
282 #define HID_CP_PROXIMITY        0x000c0109        281 #define HID_CP_PROXIMITY        0x000c0109
283 #define HID_CP_SPEAKERSYSTEM    0x000c0160        282 #define HID_CP_SPEAKERSYSTEM    0x000c0160
284 #define HID_CP_CHANNELLEFT      0x000c0161        283 #define HID_CP_CHANNELLEFT      0x000c0161
285 #define HID_CP_CHANNELRIGHT     0x000c0162        284 #define HID_CP_CHANNELRIGHT     0x000c0162
286 #define HID_CP_CHANNELCENTER    0x000c0163        285 #define HID_CP_CHANNELCENTER    0x000c0163
287 #define HID_CP_CHANNELFRONT     0x000c0164        286 #define HID_CP_CHANNELFRONT     0x000c0164
288 #define HID_CP_CHANNELCENTERFRONT       0x000c    287 #define HID_CP_CHANNELCENTERFRONT       0x000c0165
289 #define HID_CP_CHANNELSIDE      0x000c0166        288 #define HID_CP_CHANNELSIDE      0x000c0166
290 #define HID_CP_CHANNELSURROUND  0x000c0167        289 #define HID_CP_CHANNELSURROUND  0x000c0167
291 #define HID_CP_CHANNELLOWFREQUENCYENHANCEMENT     290 #define HID_CP_CHANNELLOWFREQUENCYENHANCEMENT   0x000c0168
292 #define HID_CP_CHANNELTOP       0x000c0169        291 #define HID_CP_CHANNELTOP       0x000c0169
293 #define HID_CP_CHANNELUNKNOWN   0x000c016a        292 #define HID_CP_CHANNELUNKNOWN   0x000c016a
294 #define HID_CP_APPLICATIONLAUNCHBUTTONS 0x000c    293 #define HID_CP_APPLICATIONLAUNCHBUTTONS 0x000c0180
295 #define HID_CP_GENERICGUIAPPLICATIONCONTROLS      294 #define HID_CP_GENERICGUIAPPLICATIONCONTROLS    0x000c0200
296                                                   295 
297 #define HID_DG_DEVICECONFIG     0x000d000e        296 #define HID_DG_DEVICECONFIG     0x000d000e
298 #define HID_DG_DEVICESETTINGS   0x000d0023        297 #define HID_DG_DEVICESETTINGS   0x000d0023
299 #define HID_DG_AZIMUTH          0x000d003f        298 #define HID_DG_AZIMUTH          0x000d003f
300 #define HID_DG_CONFIDENCE       0x000d0047        299 #define HID_DG_CONFIDENCE       0x000d0047
301 #define HID_DG_WIDTH            0x000d0048        300 #define HID_DG_WIDTH            0x000d0048
302 #define HID_DG_HEIGHT           0x000d0049        301 #define HID_DG_HEIGHT           0x000d0049
303 #define HID_DG_CONTACTID        0x000d0051        302 #define HID_DG_CONTACTID        0x000d0051
304 #define HID_DG_INPUTMODE        0x000d0052        303 #define HID_DG_INPUTMODE        0x000d0052
305 #define HID_DG_DEVICEINDEX      0x000d0053        304 #define HID_DG_DEVICEINDEX      0x000d0053
306 #define HID_DG_CONTACTCOUNT     0x000d0054        305 #define HID_DG_CONTACTCOUNT     0x000d0054
307 #define HID_DG_CONTACTMAX       0x000d0055        306 #define HID_DG_CONTACTMAX       0x000d0055
308 #define HID_DG_SCANTIME         0x000d0056        307 #define HID_DG_SCANTIME         0x000d0056
309 #define HID_DG_SURFACESWITCH    0x000d0057        308 #define HID_DG_SURFACESWITCH    0x000d0057
310 #define HID_DG_BUTTONSWITCH     0x000d0058        309 #define HID_DG_BUTTONSWITCH     0x000d0058
311 #define HID_DG_BUTTONTYPE       0x000d0059        310 #define HID_DG_BUTTONTYPE       0x000d0059
312 #define HID_DG_BARRELSWITCH2    0x000d005a        311 #define HID_DG_BARRELSWITCH2    0x000d005a
313 #define HID_DG_TOOLSERIALNUMBER 0x000d005b        312 #define HID_DG_TOOLSERIALNUMBER 0x000d005b
314 #define HID_DG_LATENCYMODE      0x000d0060        313 #define HID_DG_LATENCYMODE      0x000d0060
315                                                   314 
316 #define HID_BAT_ABSOLUTESTATEOFCHARGE   0x0085    315 #define HID_BAT_ABSOLUTESTATEOFCHARGE   0x00850065
317 #define HID_BAT_CHARGING                0x0085    316 #define HID_BAT_CHARGING                0x00850044
318                                                   317 
319 #define HID_VD_ASUS_CUSTOM_MEDIA_KEYS   0xff31    318 #define HID_VD_ASUS_CUSTOM_MEDIA_KEYS   0xff310076
320                                                   319 
321 /*                                                320 /*
322  * HID connect requests                           321  * HID connect requests
323  */                                               322  */
324                                                   323 
325 #define HID_CONNECT_HIDINPUT            BIT(0)    324 #define HID_CONNECT_HIDINPUT            BIT(0)
326 #define HID_CONNECT_HIDINPUT_FORCE      BIT(1)    325 #define HID_CONNECT_HIDINPUT_FORCE      BIT(1)
327 #define HID_CONNECT_HIDRAW              BIT(2)    326 #define HID_CONNECT_HIDRAW              BIT(2)
328 #define HID_CONNECT_HIDDEV              BIT(3)    327 #define HID_CONNECT_HIDDEV              BIT(3)
329 #define HID_CONNECT_HIDDEV_FORCE        BIT(4)    328 #define HID_CONNECT_HIDDEV_FORCE        BIT(4)
330 #define HID_CONNECT_FF                  BIT(5)    329 #define HID_CONNECT_FF                  BIT(5)
331 #define HID_CONNECT_DRIVER              BIT(6)    330 #define HID_CONNECT_DRIVER              BIT(6)
332 #define HID_CONNECT_DEFAULT     (HID_CONNECT_H    331 #define HID_CONNECT_DEFAULT     (HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \
333                 HID_CONNECT_HIDDEV|HID_CONNECT    332                 HID_CONNECT_HIDDEV|HID_CONNECT_FF)
334                                                   333 
335 /*                                                334 /*
336  * HID device quirks.                             335  * HID device quirks.
337  */                                               336  */
338                                                   337 
339 /*                                                338 /*
340  * Increase this if you need to configure more    339  * Increase this if you need to configure more HID quirks at module load time
341  */                                               340  */
342 #define MAX_USBHID_BOOT_QUIRKS 4                  341 #define MAX_USBHID_BOOT_QUIRKS 4
343                                                   342 
344 /**                                            << 
345  * DOC: HID quirks                             << 
346  * | @HID_QUIRK_NOTOUCH:                       << 
347  * | @HID_QUIRK_IGNORE: ignore this device     << 
348  * | @HID_QUIRK_NOGET:                         << 
349  * | @HID_QUIRK_HIDDEV_FORCE:                  << 
350  * | @HID_QUIRK_BADPAD:                        << 
351  * | @HID_QUIRK_MULTI_INPUT:                   << 
352  * | @HID_QUIRK_HIDINPUT_FORCE:                << 
353  * | @HID_QUIRK_ALWAYS_POLL:                   << 
354  * | @HID_QUIRK_INPUT_PER_APP:                 << 
355  * | @HID_QUIRK_X_INVERT:                      << 
356  * | @HID_QUIRK_Y_INVERT:                      << 
357  * | @HID_QUIRK_SKIP_OUTPUT_REPORTS:           << 
358  * | @HID_QUIRK_SKIP_OUTPUT_REPORT_ID:         << 
359  * | @HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP:  << 
360  * | @HID_QUIRK_HAVE_SPECIAL_DRIVER:           << 
361  * | @HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE:  << 
362  * | @HID_QUIRK_FULLSPEED_INTERVAL:            << 
363  * | @HID_QUIRK_NO_INIT_REPORTS:               << 
364  * | @HID_QUIRK_NO_IGNORE:                     << 
365  * | @HID_QUIRK_NO_INPUT_SYNC:                 << 
366  */                                            << 
367 /* BIT(0) reserved for backward compatibility,    343 /* BIT(0) reserved for backward compatibility, was HID_QUIRK_INVERT */
368 #define HID_QUIRK_NOTOUCH                         344 #define HID_QUIRK_NOTOUCH                       BIT(1)
369 #define HID_QUIRK_IGNORE                          345 #define HID_QUIRK_IGNORE                        BIT(2)
370 #define HID_QUIRK_NOGET                           346 #define HID_QUIRK_NOGET                         BIT(3)
371 #define HID_QUIRK_HIDDEV_FORCE                    347 #define HID_QUIRK_HIDDEV_FORCE                  BIT(4)
372 #define HID_QUIRK_BADPAD                          348 #define HID_QUIRK_BADPAD                        BIT(5)
373 #define HID_QUIRK_MULTI_INPUT                     349 #define HID_QUIRK_MULTI_INPUT                   BIT(6)
374 #define HID_QUIRK_HIDINPUT_FORCE                  350 #define HID_QUIRK_HIDINPUT_FORCE                BIT(7)
375 /* BIT(8) reserved for backward compatibility,    351 /* BIT(8) reserved for backward compatibility, was HID_QUIRK_NO_EMPTY_INPUT */
376 /* BIT(9) reserved for backward compatibility,    352 /* BIT(9) reserved for backward compatibility, was NO_INIT_INPUT_REPORTS */
377 #define HID_QUIRK_ALWAYS_POLL                     353 #define HID_QUIRK_ALWAYS_POLL                   BIT(10)
378 #define HID_QUIRK_INPUT_PER_APP                   354 #define HID_QUIRK_INPUT_PER_APP                 BIT(11)
379 #define HID_QUIRK_X_INVERT                        355 #define HID_QUIRK_X_INVERT                      BIT(12)
380 #define HID_QUIRK_Y_INVERT                        356 #define HID_QUIRK_Y_INVERT                      BIT(13)
381 #define HID_QUIRK_SKIP_OUTPUT_REPORTS             357 #define HID_QUIRK_SKIP_OUTPUT_REPORTS           BIT(16)
382 #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID           358 #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID         BIT(17)
383 #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP    359 #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP  BIT(18)
384 #define HID_QUIRK_HAVE_SPECIAL_DRIVER             360 #define HID_QUIRK_HAVE_SPECIAL_DRIVER           BIT(19)
385 #define HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE    361 #define HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE  BIT(20)
386 #define HID_QUIRK_NOINVERT                     << 
387 #define HID_QUIRK_FULLSPEED_INTERVAL              362 #define HID_QUIRK_FULLSPEED_INTERVAL            BIT(28)
388 #define HID_QUIRK_NO_INIT_REPORTS                 363 #define HID_QUIRK_NO_INIT_REPORTS               BIT(29)
389 #define HID_QUIRK_NO_IGNORE                       364 #define HID_QUIRK_NO_IGNORE                     BIT(30)
390 #define HID_QUIRK_NO_INPUT_SYNC                   365 #define HID_QUIRK_NO_INPUT_SYNC                 BIT(31)
391                                                   366 
392 /*                                                367 /*
393  * HID device groups                              368  * HID device groups
394  *                                                369  *
395  * Note: HID_GROUP_ANY is declared in linux/mo    370  * Note: HID_GROUP_ANY is declared in linux/mod_devicetable.h
396  * and has a value of 0x0000                      371  * and has a value of 0x0000
397  */                                               372  */
398 #define HID_GROUP_GENERIC                         373 #define HID_GROUP_GENERIC                       0x0001
399 #define HID_GROUP_MULTITOUCH                      374 #define HID_GROUP_MULTITOUCH                    0x0002
400 #define HID_GROUP_SENSOR_HUB                      375 #define HID_GROUP_SENSOR_HUB                    0x0003
401 #define HID_GROUP_MULTITOUCH_WIN_8                376 #define HID_GROUP_MULTITOUCH_WIN_8              0x0004
402                                                   377 
403 /*                                                378 /*
404  * Vendor specific HID device groups              379  * Vendor specific HID device groups
405  */                                               380  */
406 #define HID_GROUP_RMI                             381 #define HID_GROUP_RMI                           0x0100
407 #define HID_GROUP_WACOM                           382 #define HID_GROUP_WACOM                         0x0101
408 #define HID_GROUP_LOGITECH_DJ_DEVICE              383 #define HID_GROUP_LOGITECH_DJ_DEVICE            0x0102
409 #define HID_GROUP_STEAM                           384 #define HID_GROUP_STEAM                         0x0103
410 #define HID_GROUP_LOGITECH_27MHZ_DEVICE           385 #define HID_GROUP_LOGITECH_27MHZ_DEVICE         0x0104
411 #define HID_GROUP_VIVALDI                         386 #define HID_GROUP_VIVALDI                       0x0105
412                                                   387 
413 /*                                                388 /*
414  * HID protocol status                            389  * HID protocol status
415  */                                               390  */
416 #define HID_REPORT_PROTOCOL     1                 391 #define HID_REPORT_PROTOCOL     1
417 #define HID_BOOT_PROTOCOL       0                 392 #define HID_BOOT_PROTOCOL       0
418                                                   393 
419 /*                                                394 /*
420  * This is the global environment of the parse    395  * This is the global environment of the parser. This information is
421  * persistent for main-items. The global envir    396  * persistent for main-items. The global environment can be saved and
422  * restored with PUSH/POP statements.             397  * restored with PUSH/POP statements.
423  */                                               398  */
424                                                   399 
425 struct hid_global {                               400 struct hid_global {
426         unsigned usage_page;                      401         unsigned usage_page;
427         __s32    logical_minimum;                 402         __s32    logical_minimum;
428         __s32    logical_maximum;                 403         __s32    logical_maximum;
429         __s32    physical_minimum;                404         __s32    physical_minimum;
430         __s32    physical_maximum;                405         __s32    physical_maximum;
431         __s32    unit_exponent;                   406         __s32    unit_exponent;
432         unsigned unit;                            407         unsigned unit;
433         unsigned report_id;                       408         unsigned report_id;
434         unsigned report_size;                     409         unsigned report_size;
435         unsigned report_count;                    410         unsigned report_count;
436 };                                                411 };
437                                                   412 
438 /*                                                413 /*
439  * This is the local environment. It is persis    414  * This is the local environment. It is persistent up the next main-item.
440  */                                               415  */
441                                                   416 
442 #define HID_MAX_USAGES                  12288     417 #define HID_MAX_USAGES                  12288
443 #define HID_DEFAULT_NUM_COLLECTIONS     16        418 #define HID_DEFAULT_NUM_COLLECTIONS     16
444                                                   419 
445 struct hid_local {                                420 struct hid_local {
446         unsigned usage[HID_MAX_USAGES]; /* usa    421         unsigned usage[HID_MAX_USAGES]; /* usage array */
447         u8 usage_size[HID_MAX_USAGES]; /* usag    422         u8 usage_size[HID_MAX_USAGES]; /* usage size array */
448         unsigned collection_index[HID_MAX_USAG    423         unsigned collection_index[HID_MAX_USAGES]; /* collection index array */
449         unsigned usage_index;                     424         unsigned usage_index;
450         unsigned usage_minimum;                   425         unsigned usage_minimum;
451         unsigned delimiter_depth;                 426         unsigned delimiter_depth;
452         unsigned delimiter_branch;                427         unsigned delimiter_branch;
453 };                                                428 };
454                                                   429 
455 /*                                                430 /*
456  * This is the collection stack. We climb up t    431  * This is the collection stack. We climb up the stack to determine
457  * application and function of each field.        432  * application and function of each field.
458  */                                               433  */
459                                                   434 
460 struct hid_collection {                           435 struct hid_collection {
461         int parent_idx; /* device->collection     436         int parent_idx; /* device->collection */
462         unsigned type;                            437         unsigned type;
463         unsigned usage;                           438         unsigned usage;
464         unsigned level;                           439         unsigned level;
465 };                                                440 };
466                                                   441 
467 struct hid_usage {                                442 struct hid_usage {
468         unsigned  hid;                  /* hid    443         unsigned  hid;                  /* hid usage code */
469         unsigned  collection_index;     /* ind    444         unsigned  collection_index;     /* index into collection array */
470         unsigned  usage_index;          /* ind    445         unsigned  usage_index;          /* index into usage array */
471         __s8      resolution_multiplier;/* Eff    446         __s8      resolution_multiplier;/* Effective Resolution Multiplier
472                                            (HU    447                                            (HUT v1.12, 4.3.1), default: 1 */
473         /* hidinput data */                       448         /* hidinput data */
474         __s8      wheel_factor;         /* 120    449         __s8      wheel_factor;         /* 120/resolution_multiplier */
475         __u16     code;                 /* inp    450         __u16     code;                 /* input driver code */
476         __u8      type;                 /* inp    451         __u8      type;                 /* input driver type */
477         __s16     hat_min;              /* hat !! 452         __s8      hat_min;              /* hat switch fun */
478         __s16     hat_max;              /* dit !! 453         __s8      hat_max;              /* ditto */
479         __s16     hat_dir;              /* dit !! 454         __s8      hat_dir;              /* ditto */
480         __s16     wheel_accumulated;    /* hi-    455         __s16     wheel_accumulated;    /* hi-res wheel */
481 };                                                456 };
482                                                   457 
483 struct hid_input;                                 458 struct hid_input;
484                                                   459 
485 struct hid_field {                                460 struct hid_field {
486         unsigned  physical;             /* phy    461         unsigned  physical;             /* physical usage for this field */
487         unsigned  logical;              /* log    462         unsigned  logical;              /* logical usage for this field */
488         unsigned  application;          /* app    463         unsigned  application;          /* application usage for this field */
489         struct hid_usage *usage;        /* usa    464         struct hid_usage *usage;        /* usage table for this function */
490         unsigned  maxusage;             /* max    465         unsigned  maxusage;             /* maximum usage index */
491         unsigned  flags;                /* mai    466         unsigned  flags;                /* main-item flags (i.e. volatile,array,constant) */
492         unsigned  report_offset;        /* bit    467         unsigned  report_offset;        /* bit offset in the report */
493         unsigned  report_size;          /* siz    468         unsigned  report_size;          /* size of this field in the report */
494         unsigned  report_count;         /* num    469         unsigned  report_count;         /* number of this field in the report */
495         unsigned  report_type;          /* (in    470         unsigned  report_type;          /* (input,output,feature) */
496         __s32    *value;                /* las    471         __s32    *value;                /* last known value(s) */
497         __s32    *new_value;            /* new    472         __s32    *new_value;            /* newly read value(s) */
498         __s32    *usages_priorities;    /* pri    473         __s32    *usages_priorities;    /* priority of each usage when reading the report
499                                          * bit    474                                          * bits 8-16 are reserved for hid-input usage
500                                          */       475                                          */
501         __s32     logical_minimum;                476         __s32     logical_minimum;
502         __s32     logical_maximum;                477         __s32     logical_maximum;
503         __s32     physical_minimum;               478         __s32     physical_minimum;
504         __s32     physical_maximum;               479         __s32     physical_maximum;
505         __s32     unit_exponent;                  480         __s32     unit_exponent;
506         unsigned  unit;                           481         unsigned  unit;
507         bool      ignored;              /* thi    482         bool      ignored;              /* this field is ignored in this event */
508         struct hid_report *report;      /* ass    483         struct hid_report *report;      /* associated report */
509         unsigned index;                 /* ind    484         unsigned index;                 /* index into report->field[] */
510         /* hidinput data */                       485         /* hidinput data */
511         struct hid_input *hidinput;     /* ass    486         struct hid_input *hidinput;     /* associated input structure */
512         __u16 dpad;                     /* dpa    487         __u16 dpad;                     /* dpad input code */
513         unsigned int slot_idx;          /* slo    488         unsigned int slot_idx;          /* slot index in a report */
514 };                                                489 };
515                                                   490 
516 #define HID_MAX_FIELDS 256                        491 #define HID_MAX_FIELDS 256
517                                                   492 
518 struct hid_field_entry {                          493 struct hid_field_entry {
519         struct list_head list;                    494         struct list_head list;
520         struct hid_field *field;                  495         struct hid_field *field;
521         unsigned int index;                       496         unsigned int index;
522         __s32 priority;                           497         __s32 priority;
523 };                                                498 };
524                                                   499 
525 struct hid_report {                               500 struct hid_report {
526         struct list_head list;                    501         struct list_head list;
527         struct list_head hidinput_list;           502         struct list_head hidinput_list;
528         struct list_head field_entry_list;        503         struct list_head field_entry_list;              /* ordered list of input fields */
529         unsigned int id;                          504         unsigned int id;                                /* id of this report */
530         enum hid_report_type type;                505         enum hid_report_type type;                      /* report type */
531         unsigned int application;                 506         unsigned int application;                       /* application usage for this report */
532         struct hid_field *field[HID_MAX_FIELDS    507         struct hid_field *field[HID_MAX_FIELDS];        /* fields of the report */
533         struct hid_field_entry *field_entries;    508         struct hid_field_entry *field_entries;          /* allocated memory of input field_entry */
534         unsigned maxfield;                        509         unsigned maxfield;                              /* maximum valid field index */
535         unsigned size;                            510         unsigned size;                                  /* size of the report (bits) */
536         struct hid_device *device;                511         struct hid_device *device;                      /* associated device */
537                                                   512 
538         /* tool related state */                  513         /* tool related state */
539         bool tool_active;                         514         bool tool_active;                               /* whether the current tool is active */
540         unsigned int tool;                        515         unsigned int tool;                              /* BTN_TOOL_* */
541 };                                                516 };
542                                                   517 
543 #define HID_MAX_IDS 256                           518 #define HID_MAX_IDS 256
544                                                   519 
545 struct hid_report_enum {                          520 struct hid_report_enum {
546         unsigned numbered;                        521         unsigned numbered;
547         struct list_head report_list;             522         struct list_head report_list;
548         struct hid_report *report_id_hash[HID_    523         struct hid_report *report_id_hash[HID_MAX_IDS];
549 };                                                524 };
550                                                   525 
551 #define HID_MIN_BUFFER_SIZE     64                526 #define HID_MIN_BUFFER_SIZE     64              /* make sure there is at least a packet size of space */
552 #define HID_MAX_BUFFER_SIZE     16384             527 #define HID_MAX_BUFFER_SIZE     16384           /* 16kb */
553 #define HID_CONTROL_FIFO_SIZE   256               528 #define HID_CONTROL_FIFO_SIZE   256             /* to init devices with >100 reports */
554 #define HID_OUTPUT_FIFO_SIZE    64                529 #define HID_OUTPUT_FIFO_SIZE    64
555                                                   530 
556 struct hid_control_fifo {                         531 struct hid_control_fifo {
557         unsigned char dir;                        532         unsigned char dir;
558         struct hid_report *report;                533         struct hid_report *report;
559         char *raw_report;                         534         char *raw_report;
560 };                                                535 };
561                                                   536 
562 struct hid_output_fifo {                          537 struct hid_output_fifo {
563         struct hid_report *report;                538         struct hid_report *report;
564         char *raw_report;                         539         char *raw_report;
565 };                                                540 };
566                                                   541 
567 #define HID_CLAIMED_INPUT       BIT(0)            542 #define HID_CLAIMED_INPUT       BIT(0)
568 #define HID_CLAIMED_HIDDEV      BIT(1)            543 #define HID_CLAIMED_HIDDEV      BIT(1)
569 #define HID_CLAIMED_HIDRAW      BIT(2)            544 #define HID_CLAIMED_HIDRAW      BIT(2)
570 #define HID_CLAIMED_DRIVER      BIT(3)            545 #define HID_CLAIMED_DRIVER      BIT(3)
571                                                   546 
572 #define HID_STAT_ADDED          BIT(0)            547 #define HID_STAT_ADDED          BIT(0)
573 #define HID_STAT_PARSED         BIT(1)            548 #define HID_STAT_PARSED         BIT(1)
574 #define HID_STAT_DUP_DETECTED   BIT(2)            549 #define HID_STAT_DUP_DETECTED   BIT(2)
575 #define HID_STAT_REPROBED       BIT(3)            550 #define HID_STAT_REPROBED       BIT(3)
576                                                   551 
577 struct hid_input {                                552 struct hid_input {
578         struct list_head list;                    553         struct list_head list;
579         struct hid_report *report;                554         struct hid_report *report;
580         struct input_dev *input;                  555         struct input_dev *input;
581         const char *name;                         556         const char *name;
                                                   >> 557         bool registered;
582         struct list_head reports;       /* the    558         struct list_head reports;       /* the list of reports */
583         unsigned int application;       /* app    559         unsigned int application;       /* application usage for this input */
584         bool registered;                       << 
585 };                                                560 };
586                                                   561 
587 enum hid_type {                                   562 enum hid_type {
588         HID_TYPE_OTHER = 0,                       563         HID_TYPE_OTHER = 0,
589         HID_TYPE_USBMOUSE,                        564         HID_TYPE_USBMOUSE,
590         HID_TYPE_USBNONE                          565         HID_TYPE_USBNONE
591 };                                                566 };
592                                                   567 
593 enum hid_battery_status {                         568 enum hid_battery_status {
594         HID_BATTERY_UNKNOWN = 0,                  569         HID_BATTERY_UNKNOWN = 0,
595         HID_BATTERY_QUERIED,            /* Ker    570         HID_BATTERY_QUERIED,            /* Kernel explicitly queried battery strength */
596         HID_BATTERY_REPORTED,           /* Dev    571         HID_BATTERY_REPORTED,           /* Device sent unsolicited battery strength report */
597 };                                                572 };
598                                                   573 
599 struct hid_driver;                                574 struct hid_driver;
600 struct hid_ll_driver;                             575 struct hid_ll_driver;
601                                                   576 
602 struct hid_device {                               577 struct hid_device {                                                     /* device report descriptor */
603         const __u8 *dev_rdesc;                 !! 578         __u8 *dev_rdesc;
604         unsigned dev_rsize;                       579         unsigned dev_rsize;
605         const __u8 *rdesc;                     !! 580         __u8 *rdesc;
606         unsigned rsize;                           581         unsigned rsize;
607         struct hid_collection *collection;        582         struct hid_collection *collection;                              /* List of HID collections */
608         unsigned collection_size;                 583         unsigned collection_size;                                       /* Number of allocated hid_collections */
609         unsigned maxcollection;                   584         unsigned maxcollection;                                         /* Number of parsed collections */
610         unsigned maxapplication;                  585         unsigned maxapplication;                                        /* Number of applications */
611         __u16 bus;                                586         __u16 bus;                                                      /* BUS ID */
612         __u16 group;                              587         __u16 group;                                                    /* Report group */
613         __u32 vendor;                             588         __u32 vendor;                                                   /* Vendor ID */
614         __u32 product;                            589         __u32 product;                                                  /* Product ID */
615         __u32 version;                            590         __u32 version;                                                  /* HID version */
616         enum hid_type type;                       591         enum hid_type type;                                             /* device type (mouse, kbd, ...) */
617         unsigned country;                         592         unsigned country;                                               /* HID country */
618         struct hid_report_enum report_enum[HID    593         struct hid_report_enum report_enum[HID_REPORT_TYPES];
619         struct work_struct led_work;              594         struct work_struct led_work;                                    /* delayed LED worker */
620                                                   595 
621         struct semaphore driver_input_lock;       596         struct semaphore driver_input_lock;                             /* protects the current driver */
622         struct device dev;                        597         struct device dev;                                              /* device */
623         struct hid_driver *driver;                598         struct hid_driver *driver;
624         void *devres_group_id;                 << 
625                                                   599 
626         const struct hid_ll_driver *ll_driver;    600         const struct hid_ll_driver *ll_driver;
627         struct mutex ll_open_lock;                601         struct mutex ll_open_lock;
628         unsigned int ll_open_count;               602         unsigned int ll_open_count;
629                                                   603 
630 #ifdef CONFIG_HID_BATTERY_STRENGTH                604 #ifdef CONFIG_HID_BATTERY_STRENGTH
631         /*                                        605         /*
632          * Power supply information for HID de    606          * Power supply information for HID devices which report
633          * battery strength. power_supply was     607          * battery strength. power_supply was successfully registered if
634          * battery is non-NULL.                   608          * battery is non-NULL.
635          */                                       609          */
636         struct power_supply *battery;             610         struct power_supply *battery;
637         __s32 battery_capacity;                   611         __s32 battery_capacity;
638         __s32 battery_min;                        612         __s32 battery_min;
639         __s32 battery_max;                        613         __s32 battery_max;
640         __s32 battery_report_type;                614         __s32 battery_report_type;
641         __s32 battery_report_id;                  615         __s32 battery_report_id;
642         __s32 battery_charge_status;              616         __s32 battery_charge_status;
643         enum hid_battery_status battery_status    617         enum hid_battery_status battery_status;
644         bool battery_avoid_query;                 618         bool battery_avoid_query;
645         ktime_t battery_ratelimit_time;           619         ktime_t battery_ratelimit_time;
646 #endif                                            620 #endif
647                                                   621 
648         unsigned long status;                     622         unsigned long status;                                           /* see STAT flags above */
649         unsigned claimed;                         623         unsigned claimed;                                               /* Claimed by hidinput, hiddev? */
650         unsigned quirks;                          624         unsigned quirks;                                                /* Various quirks the device can pull on us */
651         unsigned initial_quirks;                  625         unsigned initial_quirks;                                        /* Initial set of quirks supplied when creating device */
652         bool io_started;                          626         bool io_started;                                                /* If IO has started */
653                                                   627 
654         struct list_head inputs;                  628         struct list_head inputs;                                        /* The list of inputs */
655         void *hiddev;                             629         void *hiddev;                                                   /* The hiddev structure */
656         void *hidraw;                             630         void *hidraw;
657                                                   631 
658         char name[128];                           632         char name[128];                                                 /* Device name */
659         char phys[64];                            633         char phys[64];                                                  /* Device physical location */
660         char uniq[64];                            634         char uniq[64];                                                  /* Device unique identifier (serial #) */
661                                                   635 
662         void *driver_data;                        636         void *driver_data;
663                                                   637 
664         /* temporary hid_ff handling (until mo    638         /* temporary hid_ff handling (until moved to the drivers) */
665         int (*ff_init)(struct hid_device *);      639         int (*ff_init)(struct hid_device *);
666                                                   640 
667         /* hiddev event handler */                641         /* hiddev event handler */
668         int (*hiddev_connect)(struct hid_devic    642         int (*hiddev_connect)(struct hid_device *, unsigned int);
669         void (*hiddev_disconnect)(struct hid_d    643         void (*hiddev_disconnect)(struct hid_device *);
670         void (*hiddev_hid_event) (struct hid_d    644         void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field,
671                                   struct hid_u    645                                   struct hid_usage *, __s32);
672         void (*hiddev_report_event) (struct hi    646         void (*hiddev_report_event) (struct hid_device *, struct hid_report *);
673                                                   647 
674         /* debugging support via debugfs */       648         /* debugging support via debugfs */
675         unsigned short debug;                     649         unsigned short debug;
676         struct dentry *debug_dir;                 650         struct dentry *debug_dir;
677         struct dentry *debug_rdesc;               651         struct dentry *debug_rdesc;
678         struct dentry *debug_events;              652         struct dentry *debug_events;
679         struct list_head debug_list;              653         struct list_head debug_list;
680         spinlock_t  debug_list_lock;              654         spinlock_t  debug_list_lock;
681         wait_queue_head_t debug_wait;             655         wait_queue_head_t debug_wait;
682         struct kref                     ref;   << 
683                                                   656 
684         unsigned int id;                          657         unsigned int id;                                                /* system unique id */
685                                                   658 
686 #ifdef CONFIG_HID_BPF                          !! 659 #ifdef CONFIG_BPF
687         struct hid_bpf bpf;                       660         struct hid_bpf bpf;                                             /* hid-bpf data */
688 #endif /* CONFIG_HID_BPF */                    !! 661 #endif /* CONFIG_BPF */
689 };                                                662 };
690                                                   663 
691 void hiddev_free(struct kref *ref);            << 
692                                                << 
693 #define to_hid_device(pdev) \                     664 #define to_hid_device(pdev) \
694         container_of(pdev, struct hid_device,     665         container_of(pdev, struct hid_device, dev)
695                                                   666 
696 static inline void *hid_get_drvdata(struct hid    667 static inline void *hid_get_drvdata(struct hid_device *hdev)
697 {                                                 668 {
698         return dev_get_drvdata(&hdev->dev);       669         return dev_get_drvdata(&hdev->dev);
699 }                                                 670 }
700                                                   671 
701 static inline void hid_set_drvdata(struct hid_    672 static inline void hid_set_drvdata(struct hid_device *hdev, void *data)
702 {                                                 673 {
703         dev_set_drvdata(&hdev->dev, data);        674         dev_set_drvdata(&hdev->dev, data);
704 }                                                 675 }
705                                                   676 
706 #define HID_GLOBAL_STACK_SIZE 4                   677 #define HID_GLOBAL_STACK_SIZE 4
707 #define HID_COLLECTION_STACK_SIZE 4               678 #define HID_COLLECTION_STACK_SIZE 4
708                                                   679 
709 #define HID_SCAN_FLAG_MT_WIN_8                    680 #define HID_SCAN_FLAG_MT_WIN_8                  BIT(0)
710 #define HID_SCAN_FLAG_VENDOR_SPECIFIC             681 #define HID_SCAN_FLAG_VENDOR_SPECIFIC           BIT(1)
711 #define HID_SCAN_FLAG_GD_POINTER                  682 #define HID_SCAN_FLAG_GD_POINTER                BIT(2)
712                                                   683 
713 struct hid_parser {                               684 struct hid_parser {
714         struct hid_global     global;             685         struct hid_global     global;
715         struct hid_global     global_stack[HID    686         struct hid_global     global_stack[HID_GLOBAL_STACK_SIZE];
716         unsigned int          global_stack_ptr    687         unsigned int          global_stack_ptr;
717         struct hid_local      local;              688         struct hid_local      local;
718         unsigned int         *collection_stack    689         unsigned int         *collection_stack;
719         unsigned int          collection_stack    690         unsigned int          collection_stack_ptr;
720         unsigned int          collection_stack    691         unsigned int          collection_stack_size;
721         struct hid_device    *device;             692         struct hid_device    *device;
722         unsigned int          scan_flags;         693         unsigned int          scan_flags;
723 };                                                694 };
724                                                   695 
725 struct hid_class_descriptor {                     696 struct hid_class_descriptor {
726         __u8  bDescriptorType;                    697         __u8  bDescriptorType;
727         __le16 wDescriptorLength;                 698         __le16 wDescriptorLength;
728 } __attribute__ ((packed));                       699 } __attribute__ ((packed));
729                                                   700 
730 struct hid_descriptor {                           701 struct hid_descriptor {
731         __u8  bLength;                            702         __u8  bLength;
732         __u8  bDescriptorType;                    703         __u8  bDescriptorType;
733         __le16 bcdHID;                            704         __le16 bcdHID;
734         __u8  bCountryCode;                       705         __u8  bCountryCode;
735         __u8  bNumDescriptors;                    706         __u8  bNumDescriptors;
736                                                   707 
737         struct hid_class_descriptor desc[1];      708         struct hid_class_descriptor desc[1];
738 } __attribute__ ((packed));                       709 } __attribute__ ((packed));
739                                                   710 
740 #define HID_DEVICE(b, g, ven, prod)               711 #define HID_DEVICE(b, g, ven, prod)                                     \
741         .bus = (b), .group = (g), .vendor = (v    712         .bus = (b), .group = (g), .vendor = (ven), .product = (prod)
742 #define HID_USB_DEVICE(ven, prod)                 713 #define HID_USB_DEVICE(ven, prod)                               \
743         .bus = BUS_USB, .vendor = (ven), .prod    714         .bus = BUS_USB, .vendor = (ven), .product = (prod)
744 #define HID_BLUETOOTH_DEVICE(ven, prod)           715 #define HID_BLUETOOTH_DEVICE(ven, prod)                                 \
745         .bus = BUS_BLUETOOTH, .vendor = (ven),    716         .bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod)
746 #define HID_I2C_DEVICE(ven, prod)                 717 #define HID_I2C_DEVICE(ven, prod)                               \
747         .bus = BUS_I2C, .vendor = (ven), .prod    718         .bus = BUS_I2C, .vendor = (ven), .product = (prod)
748                                                   719 
749 #define HID_REPORT_ID(rep) \                      720 #define HID_REPORT_ID(rep) \
750         .report_type = (rep)                      721         .report_type = (rep)
751 #define HID_USAGE_ID(uhid, utype, ucode) \        722 #define HID_USAGE_ID(uhid, utype, ucode) \
752         .usage_hid = (uhid), .usage_type = (ut    723         .usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode)
753 /* we don't want to catch types and codes equa    724 /* we don't want to catch types and codes equal to 0 */
754 #define HID_TERMINATOR          (HID_ANY_ID -     725 #define HID_TERMINATOR          (HID_ANY_ID - 1)
755                                                   726 
756 struct hid_report_id {                            727 struct hid_report_id {
757         __u32 report_type;                        728         __u32 report_type;
758 };                                                729 };
759 struct hid_usage_id {                             730 struct hid_usage_id {
760         __u32 usage_hid;                          731         __u32 usage_hid;
761         __u32 usage_type;                         732         __u32 usage_type;
762         __u32 usage_code;                         733         __u32 usage_code;
763 };                                                734 };
764                                                   735 
765 /**                                               736 /**
766  * struct hid_driver                              737  * struct hid_driver
767  * @name: driver name (e.g. "Footech_bar-wheel    738  * @name: driver name (e.g. "Footech_bar-wheel")
768  * @id_table: which devices is this driver for    739  * @id_table: which devices is this driver for (must be non-NULL for probe
769  *            to be called)                       740  *            to be called)
770  * @dyn_list: list of dynamically added device    741  * @dyn_list: list of dynamically added device ids
771  * @dyn_lock: lock protecting @dyn_list           742  * @dyn_lock: lock protecting @dyn_list
772  * @match: check if the given device is handle    743  * @match: check if the given device is handled by this driver
773  * @probe: new device inserted                    744  * @probe: new device inserted
774  * @remove: device removed (NULL if not a hot-    745  * @remove: device removed (NULL if not a hot-plug capable driver)
775  * @report_table: on which reports to call raw    746  * @report_table: on which reports to call raw_event (NULL means all)
776  * @raw_event: if report in report_table, this    747  * @raw_event: if report in report_table, this hook is called (NULL means nop)
777  * @usage_table: on which events to call event    748  * @usage_table: on which events to call event (NULL means all)
778  * @event: if usage in usage_table, this hook     749  * @event: if usage in usage_table, this hook is called (NULL means nop)
779  * @report: this hook is called after parsing     750  * @report: this hook is called after parsing a report (NULL means nop)
780  * @report_fixup: called before report descrip    751  * @report_fixup: called before report descriptor parsing (NULL means nop)
781  * @input_mapping: invoked on input registerin    752  * @input_mapping: invoked on input registering before mapping an usage
782  * @input_mapped: invoked on input registering    753  * @input_mapped: invoked on input registering after mapping an usage
783  * @input_configured: invoked just before the     754  * @input_configured: invoked just before the device is registered
784  * @feature_mapping: invoked on feature regist    755  * @feature_mapping: invoked on feature registering
785  * @suspend: invoked on suspend (NULL means no    756  * @suspend: invoked on suspend (NULL means nop)
786  * @resume: invoked on resume if device was no    757  * @resume: invoked on resume if device was not reset (NULL means nop)
787  * @reset_resume: invoked on resume if device     758  * @reset_resume: invoked on resume if device was reset (NULL means nop)
788  *                                                759  *
789  * probe should return -errno on error, or 0 o    760  * probe should return -errno on error, or 0 on success. During probe,
790  * input will not be passed to raw_event unles    761  * input will not be passed to raw_event unless hid_device_io_start is
791  * called.                                        762  * called.
792  *                                                763  *
793  * raw_event and event should return negative     764  * raw_event and event should return negative on error, any other value will
794  * pass the event on to .event() typically ret    765  * pass the event on to .event() typically return 0 for success.
795  *                                                766  *
796  * input_mapping shall return a negative value    767  * input_mapping shall return a negative value to completely ignore this usage
797  * (e.g. doubled or invalid usage), zero to co    768  * (e.g. doubled or invalid usage), zero to continue with parsing of this
798  * usage by generic code (no special handling     769  * usage by generic code (no special handling needed) or positive to skip
799  * generic parsing (needed special handling wh    770  * generic parsing (needed special handling which was done in the hook already)
800  * input_mapped shall return negative to infor    771  * input_mapped shall return negative to inform the layer that this usage
801  * should not be considered for further proces    772  * should not be considered for further processing or zero to notify that
802  * no processing was performed and should be d    773  * no processing was performed and should be done in a generic manner
803  * Both these functions may be NULL which mean    774  * Both these functions may be NULL which means the same behavior as returning
804  * zero from them.                                775  * zero from them.
805  */                                               776  */
806 struct hid_driver {                               777 struct hid_driver {
807         char *name;                               778         char *name;
808         const struct hid_device_id *id_table;     779         const struct hid_device_id *id_table;
809                                                   780 
810         struct list_head dyn_list;                781         struct list_head dyn_list;
811         spinlock_t dyn_lock;                      782         spinlock_t dyn_lock;
812                                                   783 
813         bool (*match)(struct hid_device *dev,     784         bool (*match)(struct hid_device *dev, bool ignore_special_driver);
814         int (*probe)(struct hid_device *dev, c    785         int (*probe)(struct hid_device *dev, const struct hid_device_id *id);
815         void (*remove)(struct hid_device *dev)    786         void (*remove)(struct hid_device *dev);
816                                                   787 
817         const struct hid_report_id *report_tab    788         const struct hid_report_id *report_table;
818         int (*raw_event)(struct hid_device *hd    789         int (*raw_event)(struct hid_device *hdev, struct hid_report *report,
819                         u8 *data, int size);      790                         u8 *data, int size);
820         const struct hid_usage_id *usage_table    791         const struct hid_usage_id *usage_table;
821         int (*event)(struct hid_device *hdev,     792         int (*event)(struct hid_device *hdev, struct hid_field *field,
822                         struct hid_usage *usag    793                         struct hid_usage *usage, __s32 value);
823         void (*report)(struct hid_device *hdev    794         void (*report)(struct hid_device *hdev, struct hid_report *report);
824                                                   795 
825         const __u8 *(*report_fixup)(struct hid !! 796         __u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf,
826                         unsigned int *size);      797                         unsigned int *size);
827                                                   798 
828         int (*input_mapping)(struct hid_device    799         int (*input_mapping)(struct hid_device *hdev,
829                         struct hid_input *hidi    800                         struct hid_input *hidinput, struct hid_field *field,
830                         struct hid_usage *usag    801                         struct hid_usage *usage, unsigned long **bit, int *max);
831         int (*input_mapped)(struct hid_device     802         int (*input_mapped)(struct hid_device *hdev,
832                         struct hid_input *hidi    803                         struct hid_input *hidinput, struct hid_field *field,
833                         struct hid_usage *usag    804                         struct hid_usage *usage, unsigned long **bit, int *max);
834         int (*input_configured)(struct hid_dev    805         int (*input_configured)(struct hid_device *hdev,
835                                 struct hid_inp    806                                 struct hid_input *hidinput);
836         void (*feature_mapping)(struct hid_dev    807         void (*feature_mapping)(struct hid_device *hdev,
837                         struct hid_field *fiel    808                         struct hid_field *field,
838                         struct hid_usage *usag    809                         struct hid_usage *usage);
839                                                !! 810 #ifdef CONFIG_PM
840         int (*suspend)(struct hid_device *hdev    811         int (*suspend)(struct hid_device *hdev, pm_message_t message);
841         int (*resume)(struct hid_device *hdev)    812         int (*resume)(struct hid_device *hdev);
842         int (*reset_resume)(struct hid_device     813         int (*reset_resume)(struct hid_device *hdev);
843                                                !! 814 #endif
844 /* private: */                                    815 /* private: */
845         struct device_driver driver;              816         struct device_driver driver;
846 };                                                817 };
847                                                   818 
848 #define to_hid_driver(pdrv) \                     819 #define to_hid_driver(pdrv) \
849         container_of(pdrv, struct hid_driver,     820         container_of(pdrv, struct hid_driver, driver)
850                                                   821 
851 /**                                               822 /**
852  * struct hid_ll_driver - low level driver cal    823  * struct hid_ll_driver - low level driver callbacks
853  * @start: called on probe to start the device    824  * @start: called on probe to start the device
854  * @stop: called on remove                        825  * @stop: called on remove
855  * @open: called by input layer on open           826  * @open: called by input layer on open
856  * @close: called by input layer on close         827  * @close: called by input layer on close
857  * @power: request underlying hardware to ente    828  * @power: request underlying hardware to enter requested power mode
858  * @parse: this method is called only once to     829  * @parse: this method is called only once to parse the device data,
859  *         shouldn't allocate anything to not     830  *         shouldn't allocate anything to not leak memory
860  * @request: send report request to device (e.    831  * @request: send report request to device (e.g. feature report)
861  * @wait: wait for buffered io to complete (se    832  * @wait: wait for buffered io to complete (send/recv reports)
862  * @raw_request: send raw report request to de    833  * @raw_request: send raw report request to device (e.g. feature report)
863  * @output_report: send output report to devic    834  * @output_report: send output report to device
864  * @idle: send idle request to device             835  * @idle: send idle request to device
865  * @may_wakeup: return if device may act as a     836  * @may_wakeup: return if device may act as a wakeup source during system-suspend
866  * @max_buffer_size: over-ride maximum data bu    837  * @max_buffer_size: over-ride maximum data buffer size (default: HID_MAX_BUFFER_SIZE)
867  */                                               838  */
868 struct hid_ll_driver {                            839 struct hid_ll_driver {
869         int (*start)(struct hid_device *hdev);    840         int (*start)(struct hid_device *hdev);
870         void (*stop)(struct hid_device *hdev);    841         void (*stop)(struct hid_device *hdev);
871                                                   842 
872         int (*open)(struct hid_device *hdev);     843         int (*open)(struct hid_device *hdev);
873         void (*close)(struct hid_device *hdev)    844         void (*close)(struct hid_device *hdev);
874                                                   845 
875         int (*power)(struct hid_device *hdev,     846         int (*power)(struct hid_device *hdev, int level);
876                                                   847 
877         int (*parse)(struct hid_device *hdev);    848         int (*parse)(struct hid_device *hdev);
878                                                   849 
879         void (*request)(struct hid_device *hde    850         void (*request)(struct hid_device *hdev,
880                         struct hid_report *rep    851                         struct hid_report *report, int reqtype);
881                                                   852 
882         int (*wait)(struct hid_device *hdev);     853         int (*wait)(struct hid_device *hdev);
883                                                   854 
884         int (*raw_request) (struct hid_device     855         int (*raw_request) (struct hid_device *hdev, unsigned char reportnum,
885                             __u8 *buf, size_t     856                             __u8 *buf, size_t len, unsigned char rtype,
886                             int reqtype);         857                             int reqtype);
887                                                   858 
888         int (*output_report) (struct hid_devic    859         int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len);
889                                                   860 
890         int (*idle)(struct hid_device *hdev, i    861         int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype);
891         bool (*may_wakeup)(struct hid_device *    862         bool (*may_wakeup)(struct hid_device *hdev);
892                                                   863 
893         unsigned int max_buffer_size;             864         unsigned int max_buffer_size;
894 };                                                865 };
895                                                   866 
896 extern bool hid_is_usb(const struct hid_device    867 extern bool hid_is_usb(const struct hid_device *hdev);
897                                                   868 
898 #define PM_HINT_FULLON  1<<5                      869 #define PM_HINT_FULLON  1<<5
899 #define PM_HINT_NORMAL  1<<1                      870 #define PM_HINT_NORMAL  1<<1
900                                                   871 
901 /* Applications from HID Usage Tables 4/8/99 V    872 /* Applications from HID Usage Tables 4/8/99 Version 1.1 */
902 /* We ignore a few input applications that are    873 /* We ignore a few input applications that are not widely used */
903 #define IS_INPUT_APPLICATION(a) \                 874 #define IS_INPUT_APPLICATION(a) \
904                 (((a >= HID_UP_GENDESK) && (a     875                 (((a >= HID_UP_GENDESK) && (a <= HID_GD_MULTIAXIS)) \
905                 || ((a >= HID_DG_DIGITIZER) && !! 876                 || ((a >= HID_DG_PEN) && (a <= HID_DG_WHITEBOARD)) \
906                 || (a == HID_GD_SYSTEM_CONTROL    877                 || (a == HID_GD_SYSTEM_CONTROL) || (a == HID_CP_CONSUMER_CONTROL) \
907                 || (a == HID_GD_WIRELESS_RADIO    878                 || (a == HID_GD_WIRELESS_RADIO_CTLS))
908                                                   879 
909 /* HID core API */                                880 /* HID core API */
910                                                   881 
911 extern bool hid_ignore(struct hid_device *);      882 extern bool hid_ignore(struct hid_device *);
912 extern int hid_add_device(struct hid_device *)    883 extern int hid_add_device(struct hid_device *);
913 extern void hid_destroy_device(struct hid_devi    884 extern void hid_destroy_device(struct hid_device *);
914                                                   885 
915 extern const struct bus_type hid_bus_type;     !! 886 extern struct bus_type hid_bus_type;
916                                                   887 
917 extern int __must_check __hid_register_driver(    888 extern int __must_check __hid_register_driver(struct hid_driver *,
918                 struct module *, const char *m    889                 struct module *, const char *mod_name);
919                                                   890 
920 /* use a define to avoid include chaining to g    891 /* use a define to avoid include chaining to get THIS_MODULE & friends */
921 #define hid_register_driver(driver) \             892 #define hid_register_driver(driver) \
922         __hid_register_driver(driver, THIS_MOD    893         __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
923                                                   894 
924 extern void hid_unregister_driver(struct hid_d    895 extern void hid_unregister_driver(struct hid_driver *);
925                                                   896 
926 /**                                               897 /**
927  * module_hid_driver() - Helper macro for regi    898  * module_hid_driver() - Helper macro for registering a HID driver
928  * @__hid_driver: hid_driver struct               899  * @__hid_driver: hid_driver struct
929  *                                                900  *
930  * Helper macro for HID drivers which do not d    901  * Helper macro for HID drivers which do not do anything special in module
931  * init/exit. This eliminates a lot of boilerp    902  * init/exit. This eliminates a lot of boilerplate. Each module may only
932  * use this macro once, and calling it replace    903  * use this macro once, and calling it replaces module_init() and module_exit()
933  */                                               904  */
934 #define module_hid_driver(__hid_driver) \         905 #define module_hid_driver(__hid_driver) \
935         module_driver(__hid_driver, hid_regist    906         module_driver(__hid_driver, hid_register_driver, \
936                       hid_unregister_driver)      907                       hid_unregister_driver)
937                                                   908 
938 extern void hidinput_hid_event(struct hid_devi    909 extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);
939 extern void hidinput_report_event(struct hid_d    910 extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report);
940 extern int hidinput_connect(struct hid_device     911 extern int hidinput_connect(struct hid_device *hid, unsigned int force);
941 extern void hidinput_disconnect(struct hid_dev    912 extern void hidinput_disconnect(struct hid_device *);
942                                                   913 
943 struct hid_field *hid_find_field(struct hid_de << 
944                                  unsigned int  << 
945 int hid_set_field(struct hid_field *, unsigned    914 int hid_set_field(struct hid_field *, unsigned, __s32);
946 int hid_input_report(struct hid_device *hid, e    915 int hid_input_report(struct hid_device *hid, enum hid_report_type type, u8 *data, u32 size,
947                      int interrupt);              916                      int interrupt);
948 struct hid_field *hidinput_get_led_field(struc    917 struct hid_field *hidinput_get_led_field(struct hid_device *hid);
949 unsigned int hidinput_count_leds(struct hid_de    918 unsigned int hidinput_count_leds(struct hid_device *hid);
950 __s32 hidinput_calc_abs_res(const struct hid_f    919 __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code);
951 void hid_output_report(struct hid_report *repo    920 void hid_output_report(struct hid_report *report, __u8 *data);
952 int __hid_request(struct hid_device *hid, stru    921 int __hid_request(struct hid_device *hid, struct hid_report *rep, enum hid_class_request reqtype);
953 u8 *hid_alloc_report_buf(struct hid_report *re    922 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags);
954 struct hid_device *hid_allocate_device(void);     923 struct hid_device *hid_allocate_device(void);
955 struct hid_report *hid_register_report(struct     924 struct hid_report *hid_register_report(struct hid_device *device,
956                                        enum hi    925                                        enum hid_report_type type, unsigned int id,
957                                        unsigne    926                                        unsigned int application);
958 int hid_parse_report(struct hid_device *hid, c !! 927 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
959 struct hid_report *hid_validate_values(struct     928 struct hid_report *hid_validate_values(struct hid_device *hid,
960                                        enum hi    929                                        enum hid_report_type type, unsigned int id,
961                                        unsigne    930                                        unsigned int field_index,
962                                        unsigne    931                                        unsigned int report_counts);
963                                                   932 
964 void hid_setup_resolution_multiplier(struct hi    933 void hid_setup_resolution_multiplier(struct hid_device *hid);
965 int hid_open_report(struct hid_device *device)    934 int hid_open_report(struct hid_device *device);
966 int hid_check_keys_pressed(struct hid_device *    935 int hid_check_keys_pressed(struct hid_device *hid);
967 int hid_connect(struct hid_device *hid, unsign    936 int hid_connect(struct hid_device *hid, unsigned int connect_mask);
968 void hid_disconnect(struct hid_device *hid);      937 void hid_disconnect(struct hid_device *hid);
969 bool hid_match_one_id(const struct hid_device     938 bool hid_match_one_id(const struct hid_device *hdev,
970                       const struct hid_device_    939                       const struct hid_device_id *id);
971 const struct hid_device_id *hid_match_id(const    940 const struct hid_device_id *hid_match_id(const struct hid_device *hdev,
972                                          const    941                                          const struct hid_device_id *id);
973 const struct hid_device_id *hid_match_device(s    942 const struct hid_device_id *hid_match_device(struct hid_device *hdev,
974                                              s    943                                              struct hid_driver *hdrv);
975 bool hid_compare_device_paths(struct hid_devic    944 bool hid_compare_device_paths(struct hid_device *hdev_a,
976                               struct hid_devic    945                               struct hid_device *hdev_b, char separator);
977 s32 hid_snto32(__u32 value, unsigned n);          946 s32 hid_snto32(__u32 value, unsigned n);
978 __u32 hid_field_extract(const struct hid_devic    947 __u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
979                      unsigned offset, unsigned    948                      unsigned offset, unsigned n);
980                                                   949 
981 #ifdef CONFIG_PM                                  950 #ifdef CONFIG_PM
982 int hid_driver_suspend(struct hid_device *hdev    951 int hid_driver_suspend(struct hid_device *hdev, pm_message_t state);
983 int hid_driver_reset_resume(struct hid_device     952 int hid_driver_reset_resume(struct hid_device *hdev);
984 int hid_driver_resume(struct hid_device *hdev)    953 int hid_driver_resume(struct hid_device *hdev);
985 #else                                             954 #else
986 static inline int hid_driver_suspend(struct hi    955 static inline int hid_driver_suspend(struct hid_device *hdev, pm_message_t state) { return 0; }
987 static inline int hid_driver_reset_resume(stru    956 static inline int hid_driver_reset_resume(struct hid_device *hdev) { return 0; }
988 static inline int hid_driver_resume(struct hid    957 static inline int hid_driver_resume(struct hid_device *hdev) { return 0; }
989 #endif                                            958 #endif
990                                                   959 
991 /**                                               960 /**
992  * hid_device_io_start - enable HID input duri    961  * hid_device_io_start - enable HID input during probe, remove
993  *                                                962  *
994  * @hid: the device                               963  * @hid: the device
995  *                                                964  *
996  * This should only be called during probe or     965  * This should only be called during probe or remove and only be
997  * called by the thread calling probe or remov    966  * called by the thread calling probe or remove. It will allow
998  * incoming packets to be delivered to the dri    967  * incoming packets to be delivered to the driver.
999  */                                               968  */
1000 static inline void hid_device_io_start(struct    969 static inline void hid_device_io_start(struct hid_device *hid) {
1001         if (hid->io_started) {                   970         if (hid->io_started) {
1002                 dev_warn(&hid->dev, "io alrea    971                 dev_warn(&hid->dev, "io already started\n");
1003                 return;                          972                 return;
1004         }                                        973         }
1005         hid->io_started = true;                  974         hid->io_started = true;
1006         up(&hid->driver_input_lock);             975         up(&hid->driver_input_lock);
1007 }                                                976 }
1008                                                  977 
1009 /**                                              978 /**
1010  * hid_device_io_stop - disable HID input dur    979  * hid_device_io_stop - disable HID input during probe, remove
1011  *                                               980  *
1012  * @hid: the device                              981  * @hid: the device
1013  *                                               982  *
1014  * Should only be called after hid_device_io_    983  * Should only be called after hid_device_io_start. It will prevent
1015  * incoming packets from going to the driver     984  * incoming packets from going to the driver for the duration of
1016  * probe, remove. If called during probe, pac    985  * probe, remove. If called during probe, packets will still go to the
1017  * driver after probe is complete. This funct    986  * driver after probe is complete. This function should only be called
1018  * by the thread calling probe or remove.        987  * by the thread calling probe or remove.
1019  */                                              988  */
1020 static inline void hid_device_io_stop(struct     989 static inline void hid_device_io_stop(struct hid_device *hid) {
1021         if (!hid->io_started) {                  990         if (!hid->io_started) {
1022                 dev_warn(&hid->dev, "io alrea    991                 dev_warn(&hid->dev, "io already stopped\n");
1023                 return;                          992                 return;
1024         }                                        993         }
1025         hid->io_started = false;                 994         hid->io_started = false;
1026         down(&hid->driver_input_lock);           995         down(&hid->driver_input_lock);
1027 }                                                996 }
1028                                                  997 
1029 /**                                              998 /**
1030  * hid_map_usage - map usage input bits          999  * hid_map_usage - map usage input bits
1031  *                                               1000  *
1032  * @hidinput: hidinput which we are intereste    1001  * @hidinput: hidinput which we are interested in
1033  * @usage: usage to fill in                      1002  * @usage: usage to fill in
1034  * @bit: pointer to input->{}bit (out paramet    1003  * @bit: pointer to input->{}bit (out parameter)
1035  * @max: maximal valid usage->code to conside    1004  * @max: maximal valid usage->code to consider later (out parameter)
1036  * @type: input event type (EV_KEY, EV_REL, .    1005  * @type: input event type (EV_KEY, EV_REL, ...)
1037  * @c: code which corresponds to this usage a    1006  * @c: code which corresponds to this usage and type
1038  *                                               1007  *
1039  * The value pointed to by @bit will be set t    1008  * The value pointed to by @bit will be set to NULL if either @type is
1040  * an unhandled event type, or if @c is out o    1009  * an unhandled event type, or if @c is out of range for @type. This
1041  * can be used as an error condition.            1010  * can be used as an error condition.
1042  */                                              1011  */
1043 static inline void hid_map_usage(struct hid_i    1012 static inline void hid_map_usage(struct hid_input *hidinput,
1044                 struct hid_usage *usage, unsi    1013                 struct hid_usage *usage, unsigned long **bit, int *max,
1045                 __u8 type, unsigned int c)       1014                 __u8 type, unsigned int c)
1046 {                                                1015 {
1047         struct input_dev *input = hidinput->i    1016         struct input_dev *input = hidinput->input;
1048         unsigned long *bmap = NULL;              1017         unsigned long *bmap = NULL;
1049         unsigned int limit = 0;                  1018         unsigned int limit = 0;
1050                                                  1019 
1051         switch (type) {                          1020         switch (type) {
1052         case EV_ABS:                             1021         case EV_ABS:
1053                 bmap = input->absbit;            1022                 bmap = input->absbit;
1054                 limit = ABS_MAX;                 1023                 limit = ABS_MAX;
1055                 break;                           1024                 break;
1056         case EV_REL:                             1025         case EV_REL:
1057                 bmap = input->relbit;            1026                 bmap = input->relbit;
1058                 limit = REL_MAX;                 1027                 limit = REL_MAX;
1059                 break;                           1028                 break;
1060         case EV_KEY:                             1029         case EV_KEY:
1061                 bmap = input->keybit;            1030                 bmap = input->keybit;
1062                 limit = KEY_MAX;                 1031                 limit = KEY_MAX;
1063                 break;                           1032                 break;
1064         case EV_LED:                             1033         case EV_LED:
1065                 bmap = input->ledbit;            1034                 bmap = input->ledbit;
1066                 limit = LED_MAX;                 1035                 limit = LED_MAX;
1067                 break;                           1036                 break;
1068         case EV_MSC:                             1037         case EV_MSC:
1069                 bmap = input->mscbit;            1038                 bmap = input->mscbit;
1070                 limit = MSC_MAX;                 1039                 limit = MSC_MAX;
1071                 break;                           1040                 break;
1072         }                                        1041         }
1073                                                  1042 
1074         if (unlikely(c > limit || !bmap)) {      1043         if (unlikely(c > limit || !bmap)) {
1075                 pr_warn_ratelimited("%s: Inva    1044                 pr_warn_ratelimited("%s: Invalid code %d type %d\n",
1076                                     input->na    1045                                     input->name, c, type);
1077                 *bit = NULL;                     1046                 *bit = NULL;
1078                 return;                          1047                 return;
1079         }                                        1048         }
1080                                                  1049 
1081         usage->type = type;                      1050         usage->type = type;
1082         usage->code = c;                         1051         usage->code = c;
1083         *max = limit;                            1052         *max = limit;
1084         *bit = bmap;                             1053         *bit = bmap;
1085 }                                                1054 }
1086                                                  1055 
1087 /**                                              1056 /**
1088  * hid_map_usage_clear - map usage input bits    1057  * hid_map_usage_clear - map usage input bits and clear the input bit
1089  *                                               1058  *
1090  * @hidinput: hidinput which we are intereste    1059  * @hidinput: hidinput which we are interested in
1091  * @usage: usage to fill in                      1060  * @usage: usage to fill in
1092  * @bit: pointer to input->{}bit (out paramet    1061  * @bit: pointer to input->{}bit (out parameter)
1093  * @max: maximal valid usage->code to conside    1062  * @max: maximal valid usage->code to consider later (out parameter)
1094  * @type: input event type (EV_KEY, EV_REL, .    1063  * @type: input event type (EV_KEY, EV_REL, ...)
1095  * @c: code which corresponds to this usage a    1064  * @c: code which corresponds to this usage and type
1096  *                                               1065  *
1097  * The same as hid_map_usage, except the @c b    1066  * The same as hid_map_usage, except the @c bit is also cleared in supported
1098  * bits (@bit).                                  1067  * bits (@bit).
1099  */                                              1068  */
1100 static inline void hid_map_usage_clear(struct    1069 static inline void hid_map_usage_clear(struct hid_input *hidinput,
1101                 struct hid_usage *usage, unsi    1070                 struct hid_usage *usage, unsigned long **bit, int *max,
1102                 __u8 type, __u16 c)              1071                 __u8 type, __u16 c)
1103 {                                                1072 {
1104         hid_map_usage(hidinput, usage, bit, m    1073         hid_map_usage(hidinput, usage, bit, max, type, c);
1105         if (*bit)                                1074         if (*bit)
1106                 clear_bit(usage->code, *bit);    1075                 clear_bit(usage->code, *bit);
1107 }                                                1076 }
1108                                                  1077 
1109 /**                                              1078 /**
1110  * hid_parse - parse HW reports                  1079  * hid_parse - parse HW reports
1111  *                                               1080  *
1112  * @hdev: hid device                             1081  * @hdev: hid device
1113  *                                               1082  *
1114  * Call this from probe after you set up the     1083  * Call this from probe after you set up the device (if needed). Your
1115  * report_fixup will be called (if non-NULL)     1084  * report_fixup will be called (if non-NULL) after reading raw report from
1116  * device before passing it to hid layer for     1085  * device before passing it to hid layer for real parsing.
1117  */                                              1086  */
1118 static inline int __must_check hid_parse(stru    1087 static inline int __must_check hid_parse(struct hid_device *hdev)
1119 {                                                1088 {
1120         return hid_open_report(hdev);            1089         return hid_open_report(hdev);
1121 }                                                1090 }
1122                                                  1091 
1123 int __must_check hid_hw_start(struct hid_devi    1092 int __must_check hid_hw_start(struct hid_device *hdev,
1124                               unsigned int co    1093                               unsigned int connect_mask);
1125 void hid_hw_stop(struct hid_device *hdev);       1094 void hid_hw_stop(struct hid_device *hdev);
1126 int __must_check hid_hw_open(struct hid_devic    1095 int __must_check hid_hw_open(struct hid_device *hdev);
1127 void hid_hw_close(struct hid_device *hdev);      1096 void hid_hw_close(struct hid_device *hdev);
1128 void hid_hw_request(struct hid_device *hdev,     1097 void hid_hw_request(struct hid_device *hdev,
1129                     struct hid_report *report    1098                     struct hid_report *report, enum hid_class_request reqtype);
1130 int __hid_hw_raw_request(struct hid_device *h << 
1131                          unsigned char report << 
1132                          size_t len, enum hid << 
1133                          enum hid_class_reque << 
1134                          __u64 source, bool f << 
1135 int __hid_hw_output_report(struct hid_device  << 
1136                            bool from_bpf);    << 
1137 int hid_hw_raw_request(struct hid_device *hde    1099 int hid_hw_raw_request(struct hid_device *hdev,
1138                        unsigned char reportnu    1100                        unsigned char reportnum, __u8 *buf,
1139                        size_t len, enum hid_r    1101                        size_t len, enum hid_report_type rtype,
1140                        enum hid_class_request    1102                        enum hid_class_request reqtype);
1141 int hid_hw_output_report(struct hid_device *h    1103 int hid_hw_output_report(struct hid_device *hdev, __u8 *buf, size_t len);
1142                                                  1104 
1143 /**                                              1105 /**
1144  * hid_hw_power - requests underlying HW to g    1106  * hid_hw_power - requests underlying HW to go into given power mode
1145  *                                               1107  *
1146  * @hdev: hid device                             1108  * @hdev: hid device
1147  * @level: requested power level (one of %PM_    1109  * @level: requested power level (one of %PM_HINT_* defines)
1148  *                                               1110  *
1149  * This function requests underlying hardware    1111  * This function requests underlying hardware to enter requested power
1150  * mode.                                         1112  * mode.
1151  */                                              1113  */
1152                                                  1114 
1153 static inline int hid_hw_power(struct hid_dev    1115 static inline int hid_hw_power(struct hid_device *hdev, int level)
1154 {                                                1116 {
1155         return hdev->ll_driver->power ? hdev-    1117         return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0;
1156 }                                                1118 }
1157                                                  1119 
1158                                                  1120 
1159 /**                                              1121 /**
1160  * hid_hw_idle - send idle request to device     1122  * hid_hw_idle - send idle request to device
1161  *                                               1123  *
1162  * @hdev: hid device                             1124  * @hdev: hid device
1163  * @report: report to control                    1125  * @report: report to control
1164  * @idle: idle state                             1126  * @idle: idle state
1165  * @reqtype: hid request type                    1127  * @reqtype: hid request type
1166  */                                              1128  */
1167 static inline int hid_hw_idle(struct hid_devi    1129 static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle,
1168                 enum hid_class_request reqtyp    1130                 enum hid_class_request reqtype)
1169 {                                                1131 {
1170         if (hdev->ll_driver->idle)               1132         if (hdev->ll_driver->idle)
1171                 return hdev->ll_driver->idle(    1133                 return hdev->ll_driver->idle(hdev, report, idle, reqtype);
1172                                                  1134 
1173         return 0;                                1135         return 0;
1174 }                                                1136 }
1175                                                  1137 
1176 /**                                              1138 /**
1177  * hid_hw_may_wakeup - return if the hid devi    1139  * hid_hw_may_wakeup - return if the hid device may act as a wakeup source during system-suspend
1178  *                                               1140  *
1179  * @hdev: hid device                             1141  * @hdev: hid device
1180  */                                              1142  */
1181 static inline bool hid_hw_may_wakeup(struct h    1143 static inline bool hid_hw_may_wakeup(struct hid_device *hdev)
1182 {                                                1144 {
1183         if (hdev->ll_driver->may_wakeup)         1145         if (hdev->ll_driver->may_wakeup)
1184                 return hdev->ll_driver->may_w    1146                 return hdev->ll_driver->may_wakeup(hdev);
1185                                                  1147 
1186         if (hdev->dev.parent)                    1148         if (hdev->dev.parent)
1187                 return device_may_wakeup(hdev    1149                 return device_may_wakeup(hdev->dev.parent);
1188                                                  1150 
1189         return false;                            1151         return false;
1190 }                                                1152 }
1191                                                  1153 
1192 /**                                              1154 /**
1193  * hid_hw_wait - wait for buffered io to comp    1155  * hid_hw_wait - wait for buffered io to complete
1194  *                                               1156  *
1195  * @hdev: hid device                             1157  * @hdev: hid device
1196  */                                              1158  */
1197 static inline void hid_hw_wait(struct hid_dev    1159 static inline void hid_hw_wait(struct hid_device *hdev)
1198 {                                                1160 {
1199         if (hdev->ll_driver->wait)               1161         if (hdev->ll_driver->wait)
1200                 hdev->ll_driver->wait(hdev);     1162                 hdev->ll_driver->wait(hdev);
1201 }                                                1163 }
1202                                                  1164 
1203 /**                                              1165 /**
1204  * hid_report_len - calculate the report leng    1166  * hid_report_len - calculate the report length
1205  *                                               1167  *
1206  * @report: the report we want to know the le    1168  * @report: the report we want to know the length
1207  */                                              1169  */
1208 static inline u32 hid_report_len(struct hid_r    1170 static inline u32 hid_report_len(struct hid_report *report)
1209 {                                                1171 {
1210         return DIV_ROUND_UP(report->size, 8)     1172         return DIV_ROUND_UP(report->size, 8) + (report->id > 0);
1211 }                                                1173 }
1212                                                  1174 
1213 int hid_report_raw_event(struct hid_device *h    1175 int hid_report_raw_event(struct hid_device *hid, enum hid_report_type type, u8 *data, u32 size,
1214                          int interrupt);         1176                          int interrupt);
1215                                                  1177 
1216 /* HID quirks API */                             1178 /* HID quirks API */
1217 unsigned long hid_lookup_quirk(const struct h    1179 unsigned long hid_lookup_quirk(const struct hid_device *hdev);
1218 int hid_quirks_init(char **quirks_param, __u1    1180 int hid_quirks_init(char **quirks_param, __u16 bus, int count);
1219 void hid_quirks_exit(__u16 bus);                 1181 void hid_quirks_exit(__u16 bus);
1220                                                  1182 
1221 #ifdef CONFIG_HID_PID                            1183 #ifdef CONFIG_HID_PID
1222 int hid_pidff_init(struct hid_device *hid);      1184 int hid_pidff_init(struct hid_device *hid);
1223 #else                                            1185 #else
1224 #define hid_pidff_init NULL                      1186 #define hid_pidff_init NULL
1225 #endif                                           1187 #endif
1226                                                  1188 
1227 #define dbg_hid(fmt, ...) pr_debug("%s: " fmt    1189 #define dbg_hid(fmt, ...) pr_debug("%s: " fmt, __FILE__, ##__VA_ARGS__)
1228                                                  1190 
1229 #define hid_err(hid, fmt, ...)                   1191 #define hid_err(hid, fmt, ...)                          \
1230         dev_err(&(hid)->dev, fmt, ##__VA_ARGS    1192         dev_err(&(hid)->dev, fmt, ##__VA_ARGS__)
1231 #define hid_notice(hid, fmt, ...)                1193 #define hid_notice(hid, fmt, ...)                       \
1232         dev_notice(&(hid)->dev, fmt, ##__VA_A    1194         dev_notice(&(hid)->dev, fmt, ##__VA_ARGS__)
1233 #define hid_warn(hid, fmt, ...)                  1195 #define hid_warn(hid, fmt, ...)                         \
1234         dev_warn(&(hid)->dev, fmt, ##__VA_ARG    1196         dev_warn(&(hid)->dev, fmt, ##__VA_ARGS__)
1235 #define hid_info(hid, fmt, ...)                  1197 #define hid_info(hid, fmt, ...)                         \
1236         dev_info(&(hid)->dev, fmt, ##__VA_ARG    1198         dev_info(&(hid)->dev, fmt, ##__VA_ARGS__)
1237 #define hid_dbg(hid, fmt, ...)                   1199 #define hid_dbg(hid, fmt, ...)                          \
1238         dev_dbg(&(hid)->dev, fmt, ##__VA_ARGS    1200         dev_dbg(&(hid)->dev, fmt, ##__VA_ARGS__)
1239                                                  1201 
1240 #define hid_err_once(hid, fmt, ...)              1202 #define hid_err_once(hid, fmt, ...)                     \
1241         dev_err_once(&(hid)->dev, fmt, ##__VA    1203         dev_err_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1242 #define hid_notice_once(hid, fmt, ...)           1204 #define hid_notice_once(hid, fmt, ...)                  \
1243         dev_notice_once(&(hid)->dev, fmt, ##_    1205         dev_notice_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1244 #define hid_warn_once(hid, fmt, ...)             1206 #define hid_warn_once(hid, fmt, ...)                    \
1245         dev_warn_once(&(hid)->dev, fmt, ##__V    1207         dev_warn_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1246 #define hid_info_once(hid, fmt, ...)             1208 #define hid_info_once(hid, fmt, ...)                    \
1247         dev_info_once(&(hid)->dev, fmt, ##__V    1209         dev_info_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1248 #define hid_dbg_once(hid, fmt, ...)              1210 #define hid_dbg_once(hid, fmt, ...)                     \
1249         dev_dbg_once(&(hid)->dev, fmt, ##__VA    1211         dev_dbg_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1250                                                  1212 
1251 #endif                                           1213 #endif
1252                                                  1214 

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