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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-5.16.20)


  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>                     << 
 30                                                    29 
 31 /*                                                 30 /*
 32  * We parse each description item into this st     31  * We parse each description item into this structure. Short items data
 33  * values are expanded to 32-bit signed int, l     32  * values are expanded to 32-bit signed int, long items contain a pointer
 34  * into the data area.                             33  * into the data area.
 35  */                                                34  */
 36                                                    35 
 37 struct hid_item {                                  36 struct hid_item {
 38         unsigned  format;                          37         unsigned  format;
 39         __u8      size;                            38         __u8      size;
 40         __u8      type;                            39         __u8      type;
 41         __u8      tag;                             40         __u8      tag;
 42         union {                                    41         union {
 43             __u8   u8;                             42             __u8   u8;
 44             __s8   s8;                             43             __s8   s8;
 45             __u16  u16;                            44             __u16  u16;
 46             __s16  s16;                            45             __s16  s16;
 47             __u32  u32;                            46             __u32  u32;
 48             __s32  s32;                            47             __s32  s32;
 49             const __u8  *longdata;             !!  48             __u8  *longdata;
 50         } data;                                    49         } data;
 51 };                                                 50 };
 52                                                    51 
 53 /*                                                 52 /*
 54  * HID report item format                          53  * HID report item format
 55  */                                                54  */
 56                                                    55 
 57 #define HID_ITEM_FORMAT_SHORT   0                  56 #define HID_ITEM_FORMAT_SHORT   0
 58 #define HID_ITEM_FORMAT_LONG    1                  57 #define HID_ITEM_FORMAT_LONG    1
 59                                                    58 
 60 /*                                                 59 /*
 61  * Special tag indicating long items               60  * Special tag indicating long items
 62  */                                                61  */
 63                                                    62 
 64 #define HID_ITEM_TAG_LONG       15                 63 #define HID_ITEM_TAG_LONG       15
 65                                                    64 
 66 /*                                                 65 /*
 67  * HID report descriptor item type (prefix bit     66  * HID report descriptor item type (prefix bit 2,3)
 68  */                                                67  */
 69                                                    68 
 70 #define HID_ITEM_TYPE_MAIN              0          69 #define HID_ITEM_TYPE_MAIN              0
 71 #define HID_ITEM_TYPE_GLOBAL            1          70 #define HID_ITEM_TYPE_GLOBAL            1
 72 #define HID_ITEM_TYPE_LOCAL             2          71 #define HID_ITEM_TYPE_LOCAL             2
 73 #define HID_ITEM_TYPE_RESERVED          3          72 #define HID_ITEM_TYPE_RESERVED          3
 74                                                    73 
 75 /*                                                 74 /*
 76  * HID report descriptor main item tags            75  * HID report descriptor main item tags
 77  */                                                76  */
 78                                                    77 
 79 #define HID_MAIN_ITEM_TAG_INPUT                    78 #define HID_MAIN_ITEM_TAG_INPUT                 8
 80 #define HID_MAIN_ITEM_TAG_OUTPUT                   79 #define HID_MAIN_ITEM_TAG_OUTPUT                9
 81 #define HID_MAIN_ITEM_TAG_FEATURE                  80 #define HID_MAIN_ITEM_TAG_FEATURE               11
 82 #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION         81 #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION      10
 83 #define HID_MAIN_ITEM_TAG_END_COLLECTION           82 #define HID_MAIN_ITEM_TAG_END_COLLECTION        12
 84                                                    83 
 85 /*                                                 84 /*
 86  * HID report descriptor main item contents        85  * HID report descriptor main item contents
 87  */                                                86  */
 88                                                    87 
 89 #define HID_MAIN_ITEM_CONSTANT          0x001      88 #define HID_MAIN_ITEM_CONSTANT          0x001
 90 #define HID_MAIN_ITEM_VARIABLE          0x002      89 #define HID_MAIN_ITEM_VARIABLE          0x002
 91 #define HID_MAIN_ITEM_RELATIVE          0x004      90 #define HID_MAIN_ITEM_RELATIVE          0x004
 92 #define HID_MAIN_ITEM_WRAP              0x008      91 #define HID_MAIN_ITEM_WRAP              0x008
 93 #define HID_MAIN_ITEM_NONLINEAR         0x010      92 #define HID_MAIN_ITEM_NONLINEAR         0x010
 94 #define HID_MAIN_ITEM_NO_PREFERRED      0x020      93 #define HID_MAIN_ITEM_NO_PREFERRED      0x020
 95 #define HID_MAIN_ITEM_NULL_STATE        0x040      94 #define HID_MAIN_ITEM_NULL_STATE        0x040
 96 #define HID_MAIN_ITEM_VOLATILE          0x080      95 #define HID_MAIN_ITEM_VOLATILE          0x080
 97 #define HID_MAIN_ITEM_BUFFERED_BYTE     0x100      96 #define HID_MAIN_ITEM_BUFFERED_BYTE     0x100
 98                                                    97 
 99 /*                                                 98 /*
100  * HID report descriptor collection item types     99  * HID report descriptor collection item types
101  */                                               100  */
102                                                   101 
103 #define HID_COLLECTION_PHYSICAL         0         102 #define HID_COLLECTION_PHYSICAL         0
104 #define HID_COLLECTION_APPLICATION      1         103 #define HID_COLLECTION_APPLICATION      1
105 #define HID_COLLECTION_LOGICAL          2         104 #define HID_COLLECTION_LOGICAL          2
106 #define HID_COLLECTION_NAMED_ARRAY      4         105 #define HID_COLLECTION_NAMED_ARRAY      4
107                                                   106 
108 /*                                                107 /*
109  * HID report descriptor global item tags         108  * HID report descriptor global item tags
110  */                                               109  */
111                                                   110 
112 #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE            111 #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE          0
113 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM       112 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM     1
114 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM       113 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM     2
115 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM      114 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM    3
116 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM      115 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM    4
117 #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT         116 #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT       5
118 #define HID_GLOBAL_ITEM_TAG_UNIT                  117 #define HID_GLOBAL_ITEM_TAG_UNIT                6
119 #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE           118 #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE         7
120 #define HID_GLOBAL_ITEM_TAG_REPORT_ID             119 #define HID_GLOBAL_ITEM_TAG_REPORT_ID           8
121 #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT          120 #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT        9
122 #define HID_GLOBAL_ITEM_TAG_PUSH                  121 #define HID_GLOBAL_ITEM_TAG_PUSH                10
123 #define HID_GLOBAL_ITEM_TAG_POP                   122 #define HID_GLOBAL_ITEM_TAG_POP                 11
124                                                   123 
125 /*                                                124 /*
126  * HID report descriptor local item tags          125  * HID report descriptor local item tags
127  */                                               126  */
128                                                   127 
129 #define HID_LOCAL_ITEM_TAG_USAGE                  128 #define HID_LOCAL_ITEM_TAG_USAGE                0
130 #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM          129 #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM        1
131 #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM          130 #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM        2
132 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX       131 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX     3
133 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM     132 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM   4
134 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM     133 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM   5
135 #define HID_LOCAL_ITEM_TAG_STRING_INDEX           134 #define HID_LOCAL_ITEM_TAG_STRING_INDEX         7
136 #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM         135 #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM       8
137 #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM         136 #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM       9
138 #define HID_LOCAL_ITEM_TAG_DELIMITER              137 #define HID_LOCAL_ITEM_TAG_DELIMITER            10
139                                                   138 
140 /*                                                139 /*
141  * HID usage tables                               140  * HID usage tables
142  */                                               141  */
143                                                   142 
144 #define HID_USAGE_PAGE          0xffff0000        143 #define HID_USAGE_PAGE          0xffff0000
145                                                   144 
146 #define HID_UP_UNDEFINED        0x00000000        145 #define HID_UP_UNDEFINED        0x00000000
147 #define HID_UP_GENDESK          0x00010000        146 #define HID_UP_GENDESK          0x00010000
148 #define HID_UP_SIMULATION       0x00020000        147 #define HID_UP_SIMULATION       0x00020000
149 #define HID_UP_GENDEVCTRLS      0x00060000        148 #define HID_UP_GENDEVCTRLS      0x00060000
150 #define HID_UP_KEYBOARD         0x00070000        149 #define HID_UP_KEYBOARD         0x00070000
151 #define HID_UP_LED              0x00080000        150 #define HID_UP_LED              0x00080000
152 #define HID_UP_BUTTON           0x00090000        151 #define HID_UP_BUTTON           0x00090000
153 #define HID_UP_ORDINAL          0x000a0000        152 #define HID_UP_ORDINAL          0x000a0000
154 #define HID_UP_TELEPHONY        0x000b0000        153 #define HID_UP_TELEPHONY        0x000b0000
155 #define HID_UP_CONSUMER         0x000c0000        154 #define HID_UP_CONSUMER         0x000c0000
156 #define HID_UP_DIGITIZER        0x000d0000        155 #define HID_UP_DIGITIZER        0x000d0000
157 #define HID_UP_PID              0x000f0000        156 #define HID_UP_PID              0x000f0000
158 #define HID_UP_BATTERY          0x00850000        157 #define HID_UP_BATTERY          0x00850000
159 #define HID_UP_CAMERA           0x00900000     << 
160 #define HID_UP_HPVENDOR         0xff7f0000        158 #define HID_UP_HPVENDOR         0xff7f0000
161 #define HID_UP_HPVENDOR2        0xff010000        159 #define HID_UP_HPVENDOR2        0xff010000
162 #define HID_UP_MSVENDOR         0xff000000        160 #define HID_UP_MSVENDOR         0xff000000
163 #define HID_UP_CUSTOM           0x00ff0000        161 #define HID_UP_CUSTOM           0x00ff0000
164 #define HID_UP_LOGIVENDOR       0xffbc0000        162 #define HID_UP_LOGIVENDOR       0xffbc0000
165 #define HID_UP_LOGIVENDOR2   0xff090000           163 #define HID_UP_LOGIVENDOR2   0xff090000
166 #define HID_UP_LOGIVENDOR3   0xff430000           164 #define HID_UP_LOGIVENDOR3   0xff430000
167 #define HID_UP_LNVENDOR         0xffa00000        165 #define HID_UP_LNVENDOR         0xffa00000
168 #define HID_UP_SENSOR           0x00200000        166 #define HID_UP_SENSOR           0x00200000
169 #define HID_UP_ASUSVENDOR       0xff310000        167 #define HID_UP_ASUSVENDOR       0xff310000
170 #define HID_UP_GOOGLEVENDOR     0xffd10000        168 #define HID_UP_GOOGLEVENDOR     0xffd10000
171                                                   169 
172 #define HID_USAGE               0x0000ffff        170 #define HID_USAGE               0x0000ffff
173                                                   171 
174 #define HID_GD_POINTER          0x00010001        172 #define HID_GD_POINTER          0x00010001
175 #define HID_GD_MOUSE            0x00010002        173 #define HID_GD_MOUSE            0x00010002
176 #define HID_GD_JOYSTICK         0x00010004        174 #define HID_GD_JOYSTICK         0x00010004
177 #define HID_GD_GAMEPAD          0x00010005        175 #define HID_GD_GAMEPAD          0x00010005
178 #define HID_GD_KEYBOARD         0x00010006        176 #define HID_GD_KEYBOARD         0x00010006
179 #define HID_GD_KEYPAD           0x00010007        177 #define HID_GD_KEYPAD           0x00010007
180 #define HID_GD_MULTIAXIS        0x00010008        178 #define HID_GD_MULTIAXIS        0x00010008
181 /*                                                179 /*
182  * Microsoft Win8 Wireless Radio Controls exte    180  * Microsoft Win8 Wireless Radio Controls extensions CA, see:
183  * http://www.usb.org/developers/hidpage/HUTRR    181  * http://www.usb.org/developers/hidpage/HUTRR40RadioHIDUsagesFinal.pdf
184  */                                               182  */
185 #define HID_GD_WIRELESS_RADIO_CTLS      0x0001    183 #define HID_GD_WIRELESS_RADIO_CTLS      0x0001000c
186 /*                                                184 /*
187  * System Multi-Axis, see:                        185  * System Multi-Axis, see:
188  * http://www.usb.org/developers/hidpage/HUTRR    186  * http://www.usb.org/developers/hidpage/HUTRR62_-_Generic_Desktop_CA_for_System_Multi-Axis_Controllers.txt
189  */                                               187  */
190 #define HID_GD_SYSTEM_MULTIAXIS 0x0001000e        188 #define HID_GD_SYSTEM_MULTIAXIS 0x0001000e
191                                                   189 
192 #define HID_GD_X                0x00010030        190 #define HID_GD_X                0x00010030
193 #define HID_GD_Y                0x00010031        191 #define HID_GD_Y                0x00010031
194 #define HID_GD_Z                0x00010032        192 #define HID_GD_Z                0x00010032
195 #define HID_GD_RX               0x00010033        193 #define HID_GD_RX               0x00010033
196 #define HID_GD_RY               0x00010034        194 #define HID_GD_RY               0x00010034
197 #define HID_GD_RZ               0x00010035        195 #define HID_GD_RZ               0x00010035
198 #define HID_GD_SLIDER           0x00010036        196 #define HID_GD_SLIDER           0x00010036
199 #define HID_GD_DIAL             0x00010037        197 #define HID_GD_DIAL             0x00010037
200 #define HID_GD_WHEEL            0x00010038        198 #define HID_GD_WHEEL            0x00010038
201 #define HID_GD_HATSWITCH        0x00010039        199 #define HID_GD_HATSWITCH        0x00010039
202 #define HID_GD_BUFFER           0x0001003a        200 #define HID_GD_BUFFER           0x0001003a
203 #define HID_GD_BYTECOUNT        0x0001003b        201 #define HID_GD_BYTECOUNT        0x0001003b
204 #define HID_GD_MOTION           0x0001003c        202 #define HID_GD_MOTION           0x0001003c
205 #define HID_GD_START            0x0001003d        203 #define HID_GD_START            0x0001003d
206 #define HID_GD_SELECT           0x0001003e        204 #define HID_GD_SELECT           0x0001003e
207 #define HID_GD_VX               0x00010040        205 #define HID_GD_VX               0x00010040
208 #define HID_GD_VY               0x00010041        206 #define HID_GD_VY               0x00010041
209 #define HID_GD_VZ               0x00010042        207 #define HID_GD_VZ               0x00010042
210 #define HID_GD_VBRX             0x00010043        208 #define HID_GD_VBRX             0x00010043
211 #define HID_GD_VBRY             0x00010044        209 #define HID_GD_VBRY             0x00010044
212 #define HID_GD_VBRZ             0x00010045        210 #define HID_GD_VBRZ             0x00010045
213 #define HID_GD_VNO              0x00010046        211 #define HID_GD_VNO              0x00010046
214 #define HID_GD_FEATURE          0x00010047        212 #define HID_GD_FEATURE          0x00010047
215 #define HID_GD_RESOLUTION_MULTIPLIER    0x0001    213 #define HID_GD_RESOLUTION_MULTIPLIER    0x00010048
216 #define HID_GD_SYSTEM_CONTROL   0x00010080        214 #define HID_GD_SYSTEM_CONTROL   0x00010080
217 #define HID_GD_UP               0x00010090        215 #define HID_GD_UP               0x00010090
218 #define HID_GD_DOWN             0x00010091        216 #define HID_GD_DOWN             0x00010091
219 #define HID_GD_RIGHT            0x00010092        217 #define HID_GD_RIGHT            0x00010092
220 #define HID_GD_LEFT             0x00010093        218 #define HID_GD_LEFT             0x00010093
221 /* Microsoft Win8 Wireless Radio Controls CA u    219 /* Microsoft Win8 Wireless Radio Controls CA usage codes */
222 #define HID_GD_RFKILL_BTN       0x000100c6        220 #define HID_GD_RFKILL_BTN       0x000100c6
223 #define HID_GD_RFKILL_LED       0x000100c7        221 #define HID_GD_RFKILL_LED       0x000100c7
224 #define HID_GD_RFKILL_SWITCH    0x000100c8        222 #define HID_GD_RFKILL_SWITCH    0x000100c8
225                                                   223 
226 #define HID_DC_BATTERYSTRENGTH  0x00060020        224 #define HID_DC_BATTERYSTRENGTH  0x00060020
227                                                   225 
228 #define HID_CP_CONSUMER_CONTROL 0x000c0001        226 #define HID_CP_CONSUMER_CONTROL 0x000c0001
229 #define HID_CP_AC_PAN           0x000c0238        227 #define HID_CP_AC_PAN           0x000c0238
230                                                   228 
231 #define HID_DG_DIGITIZER        0x000d0001        229 #define HID_DG_DIGITIZER        0x000d0001
232 #define HID_DG_PEN              0x000d0002        230 #define HID_DG_PEN              0x000d0002
233 #define HID_DG_LIGHTPEN         0x000d0003        231 #define HID_DG_LIGHTPEN         0x000d0003
234 #define HID_DG_TOUCHSCREEN      0x000d0004        232 #define HID_DG_TOUCHSCREEN      0x000d0004
235 #define HID_DG_TOUCHPAD         0x000d0005        233 #define HID_DG_TOUCHPAD         0x000d0005
236 #define HID_DG_WHITEBOARD       0x000d0006        234 #define HID_DG_WHITEBOARD       0x000d0006
237 #define HID_DG_STYLUS           0x000d0020        235 #define HID_DG_STYLUS           0x000d0020
238 #define HID_DG_PUCK             0x000d0021        236 #define HID_DG_PUCK             0x000d0021
239 #define HID_DG_FINGER           0x000d0022        237 #define HID_DG_FINGER           0x000d0022
240 #define HID_DG_TIPPRESSURE      0x000d0030        238 #define HID_DG_TIPPRESSURE      0x000d0030
241 #define HID_DG_BARRELPRESSURE   0x000d0031        239 #define HID_DG_BARRELPRESSURE   0x000d0031
242 #define HID_DG_INRANGE          0x000d0032        240 #define HID_DG_INRANGE          0x000d0032
243 #define HID_DG_TOUCH            0x000d0033        241 #define HID_DG_TOUCH            0x000d0033
244 #define HID_DG_UNTOUCH          0x000d0034        242 #define HID_DG_UNTOUCH          0x000d0034
245 #define HID_DG_TAP              0x000d0035        243 #define HID_DG_TAP              0x000d0035
246 #define HID_DG_TRANSDUCER_INDEX 0x000d0038     << 
247 #define HID_DG_TABLETFUNCTIONKEY        0x000d    244 #define HID_DG_TABLETFUNCTIONKEY        0x000d0039
248 #define HID_DG_PROGRAMCHANGEKEY 0x000d003a        245 #define HID_DG_PROGRAMCHANGEKEY 0x000d003a
249 #define HID_DG_BATTERYSTRENGTH  0x000d003b        246 #define HID_DG_BATTERYSTRENGTH  0x000d003b
250 #define HID_DG_INVERT           0x000d003c        247 #define HID_DG_INVERT           0x000d003c
251 #define HID_DG_TILT_X           0x000d003d        248 #define HID_DG_TILT_X           0x000d003d
252 #define HID_DG_TILT_Y           0x000d003e        249 #define HID_DG_TILT_Y           0x000d003e
253 #define HID_DG_TWIST            0x000d0041        250 #define HID_DG_TWIST            0x000d0041
254 #define HID_DG_TIPSWITCH        0x000d0042        251 #define HID_DG_TIPSWITCH        0x000d0042
255 #define HID_DG_TIPSWITCH2       0x000d0043        252 #define HID_DG_TIPSWITCH2       0x000d0043
256 #define HID_DG_BARRELSWITCH     0x000d0044        253 #define HID_DG_BARRELSWITCH     0x000d0044
257 #define HID_DG_ERASER           0x000d0045        254 #define HID_DG_ERASER           0x000d0045
258 #define HID_DG_TABLETPICK       0x000d0046        255 #define HID_DG_TABLETPICK       0x000d0046
259 #define HID_DG_PEN_COLOR                       << 
260 #define HID_DG_PEN_LINE_WIDTH                  << 
261 #define HID_DG_PEN_LINE_STYLE                  << 
262 #define HID_DG_PEN_LINE_STYLE_INK              << 
263 #define HID_DG_PEN_LINE_STYLE_PENCIL           << 
264 #define HID_DG_PEN_LINE_STYLE_HIGHLIGHTER      << 
265 #define HID_DG_PEN_LINE_STYLE_CHISEL_MARKER    << 
266 #define HID_DG_PEN_LINE_STYLE_BRUSH            << 
267 #define HID_DG_PEN_LINE_STYLE_NO_PREFERENCE    << 
268                                                   256 
269 #define HID_CP_CONSUMERCONTROL  0x000c0001        257 #define HID_CP_CONSUMERCONTROL  0x000c0001
270 #define HID_CP_NUMERICKEYPAD    0x000c0002        258 #define HID_CP_NUMERICKEYPAD    0x000c0002
271 #define HID_CP_PROGRAMMABLEBUTTONS      0x000c    259 #define HID_CP_PROGRAMMABLEBUTTONS      0x000c0003
272 #define HID_CP_MICROPHONE       0x000c0004        260 #define HID_CP_MICROPHONE       0x000c0004
273 #define HID_CP_HEADPHONE        0x000c0005        261 #define HID_CP_HEADPHONE        0x000c0005
274 #define HID_CP_GRAPHICEQUALIZER 0x000c0006        262 #define HID_CP_GRAPHICEQUALIZER 0x000c0006
275 #define HID_CP_FUNCTIONBUTTONS  0x000c0036        263 #define HID_CP_FUNCTIONBUTTONS  0x000c0036
276 #define HID_CP_SELECTION        0x000c0080        264 #define HID_CP_SELECTION        0x000c0080
277 #define HID_CP_MEDIASELECTION   0x000c0087        265 #define HID_CP_MEDIASELECTION   0x000c0087
278 #define HID_CP_SELECTDISC       0x000c00ba        266 #define HID_CP_SELECTDISC       0x000c00ba
279 #define HID_CP_VOLUMEUP         0x000c00e9        267 #define HID_CP_VOLUMEUP         0x000c00e9
280 #define HID_CP_VOLUMEDOWN       0x000c00ea        268 #define HID_CP_VOLUMEDOWN       0x000c00ea
281 #define HID_CP_PLAYBACKSPEED    0x000c00f1        269 #define HID_CP_PLAYBACKSPEED    0x000c00f1
282 #define HID_CP_PROXIMITY        0x000c0109        270 #define HID_CP_PROXIMITY        0x000c0109
283 #define HID_CP_SPEAKERSYSTEM    0x000c0160        271 #define HID_CP_SPEAKERSYSTEM    0x000c0160
284 #define HID_CP_CHANNELLEFT      0x000c0161        272 #define HID_CP_CHANNELLEFT      0x000c0161
285 #define HID_CP_CHANNELRIGHT     0x000c0162        273 #define HID_CP_CHANNELRIGHT     0x000c0162
286 #define HID_CP_CHANNELCENTER    0x000c0163        274 #define HID_CP_CHANNELCENTER    0x000c0163
287 #define HID_CP_CHANNELFRONT     0x000c0164        275 #define HID_CP_CHANNELFRONT     0x000c0164
288 #define HID_CP_CHANNELCENTERFRONT       0x000c    276 #define HID_CP_CHANNELCENTERFRONT       0x000c0165
289 #define HID_CP_CHANNELSIDE      0x000c0166        277 #define HID_CP_CHANNELSIDE      0x000c0166
290 #define HID_CP_CHANNELSURROUND  0x000c0167        278 #define HID_CP_CHANNELSURROUND  0x000c0167
291 #define HID_CP_CHANNELLOWFREQUENCYENHANCEMENT     279 #define HID_CP_CHANNELLOWFREQUENCYENHANCEMENT   0x000c0168
292 #define HID_CP_CHANNELTOP       0x000c0169        280 #define HID_CP_CHANNELTOP       0x000c0169
293 #define HID_CP_CHANNELUNKNOWN   0x000c016a        281 #define HID_CP_CHANNELUNKNOWN   0x000c016a
294 #define HID_CP_APPLICATIONLAUNCHBUTTONS 0x000c    282 #define HID_CP_APPLICATIONLAUNCHBUTTONS 0x000c0180
295 #define HID_CP_GENERICGUIAPPLICATIONCONTROLS      283 #define HID_CP_GENERICGUIAPPLICATIONCONTROLS    0x000c0200
296                                                   284 
297 #define HID_DG_DEVICECONFIG     0x000d000e        285 #define HID_DG_DEVICECONFIG     0x000d000e
298 #define HID_DG_DEVICESETTINGS   0x000d0023        286 #define HID_DG_DEVICESETTINGS   0x000d0023
299 #define HID_DG_AZIMUTH          0x000d003f        287 #define HID_DG_AZIMUTH          0x000d003f
300 #define HID_DG_CONFIDENCE       0x000d0047        288 #define HID_DG_CONFIDENCE       0x000d0047
301 #define HID_DG_WIDTH            0x000d0048        289 #define HID_DG_WIDTH            0x000d0048
302 #define HID_DG_HEIGHT           0x000d0049        290 #define HID_DG_HEIGHT           0x000d0049
303 #define HID_DG_CONTACTID        0x000d0051        291 #define HID_DG_CONTACTID        0x000d0051
304 #define HID_DG_INPUTMODE        0x000d0052        292 #define HID_DG_INPUTMODE        0x000d0052
305 #define HID_DG_DEVICEINDEX      0x000d0053        293 #define HID_DG_DEVICEINDEX      0x000d0053
306 #define HID_DG_CONTACTCOUNT     0x000d0054        294 #define HID_DG_CONTACTCOUNT     0x000d0054
307 #define HID_DG_CONTACTMAX       0x000d0055        295 #define HID_DG_CONTACTMAX       0x000d0055
308 #define HID_DG_SCANTIME         0x000d0056        296 #define HID_DG_SCANTIME         0x000d0056
309 #define HID_DG_SURFACESWITCH    0x000d0057        297 #define HID_DG_SURFACESWITCH    0x000d0057
310 #define HID_DG_BUTTONSWITCH     0x000d0058        298 #define HID_DG_BUTTONSWITCH     0x000d0058
311 #define HID_DG_BUTTONTYPE       0x000d0059        299 #define HID_DG_BUTTONTYPE       0x000d0059
312 #define HID_DG_BARRELSWITCH2    0x000d005a        300 #define HID_DG_BARRELSWITCH2    0x000d005a
313 #define HID_DG_TOOLSERIALNUMBER 0x000d005b        301 #define HID_DG_TOOLSERIALNUMBER 0x000d005b
314 #define HID_DG_LATENCYMODE      0x000d0060        302 #define HID_DG_LATENCYMODE      0x000d0060
315                                                   303 
316 #define HID_BAT_ABSOLUTESTATEOFCHARGE   0x0085    304 #define HID_BAT_ABSOLUTESTATEOFCHARGE   0x00850065
317 #define HID_BAT_CHARGING                0x0085 << 
318                                                   305 
319 #define HID_VD_ASUS_CUSTOM_MEDIA_KEYS   0xff31    306 #define HID_VD_ASUS_CUSTOM_MEDIA_KEYS   0xff310076
                                                   >> 307 /*
                                                   >> 308  * HID report types --- Ouch! HID spec says 1 2 3!
                                                   >> 309  */
                                                   >> 310 
                                                   >> 311 #define HID_INPUT_REPORT        0
                                                   >> 312 #define HID_OUTPUT_REPORT       1
                                                   >> 313 #define HID_FEATURE_REPORT      2
                                                   >> 314 
                                                   >> 315 #define HID_REPORT_TYPES        3
320                                                   316 
321 /*                                                317 /*
322  * HID connect requests                           318  * HID connect requests
323  */                                               319  */
324                                                   320 
325 #define HID_CONNECT_HIDINPUT            BIT(0)    321 #define HID_CONNECT_HIDINPUT            BIT(0)
326 #define HID_CONNECT_HIDINPUT_FORCE      BIT(1)    322 #define HID_CONNECT_HIDINPUT_FORCE      BIT(1)
327 #define HID_CONNECT_HIDRAW              BIT(2)    323 #define HID_CONNECT_HIDRAW              BIT(2)
328 #define HID_CONNECT_HIDDEV              BIT(3)    324 #define HID_CONNECT_HIDDEV              BIT(3)
329 #define HID_CONNECT_HIDDEV_FORCE        BIT(4)    325 #define HID_CONNECT_HIDDEV_FORCE        BIT(4)
330 #define HID_CONNECT_FF                  BIT(5)    326 #define HID_CONNECT_FF                  BIT(5)
331 #define HID_CONNECT_DRIVER              BIT(6)    327 #define HID_CONNECT_DRIVER              BIT(6)
332 #define HID_CONNECT_DEFAULT     (HID_CONNECT_H    328 #define HID_CONNECT_DEFAULT     (HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \
333                 HID_CONNECT_HIDDEV|HID_CONNECT    329                 HID_CONNECT_HIDDEV|HID_CONNECT_FF)
334                                                   330 
335 /*                                                331 /*
336  * HID device quirks.                             332  * HID device quirks.
337  */                                               333  */
338                                                   334 
339 /*                                             !! 335 /* 
340  * Increase this if you need to configure more    336  * Increase this if you need to configure more HID quirks at module load time
341  */                                               337  */
342 #define MAX_USBHID_BOOT_QUIRKS 4                  338 #define MAX_USBHID_BOOT_QUIRKS 4
343                                                   339 
344 /**                                            !! 340 #define HID_QUIRK_INVERT                        BIT(0)
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, << 
368 #define HID_QUIRK_NOTOUCH                         341 #define HID_QUIRK_NOTOUCH                       BIT(1)
369 #define HID_QUIRK_IGNORE                          342 #define HID_QUIRK_IGNORE                        BIT(2)
370 #define HID_QUIRK_NOGET                           343 #define HID_QUIRK_NOGET                         BIT(3)
371 #define HID_QUIRK_HIDDEV_FORCE                    344 #define HID_QUIRK_HIDDEV_FORCE                  BIT(4)
372 #define HID_QUIRK_BADPAD                          345 #define HID_QUIRK_BADPAD                        BIT(5)
373 #define HID_QUIRK_MULTI_INPUT                     346 #define HID_QUIRK_MULTI_INPUT                   BIT(6)
374 #define HID_QUIRK_HIDINPUT_FORCE                  347 #define HID_QUIRK_HIDINPUT_FORCE                BIT(7)
375 /* BIT(8) reserved for backward compatibility,    348 /* BIT(8) reserved for backward compatibility, was HID_QUIRK_NO_EMPTY_INPUT */
376 /* BIT(9) reserved for backward compatibility,    349 /* BIT(9) reserved for backward compatibility, was NO_INIT_INPUT_REPORTS */
377 #define HID_QUIRK_ALWAYS_POLL                     350 #define HID_QUIRK_ALWAYS_POLL                   BIT(10)
378 #define HID_QUIRK_INPUT_PER_APP                   351 #define HID_QUIRK_INPUT_PER_APP                 BIT(11)
379 #define HID_QUIRK_X_INVERT                        352 #define HID_QUIRK_X_INVERT                      BIT(12)
380 #define HID_QUIRK_Y_INVERT                        353 #define HID_QUIRK_Y_INVERT                      BIT(13)
381 #define HID_QUIRK_SKIP_OUTPUT_REPORTS             354 #define HID_QUIRK_SKIP_OUTPUT_REPORTS           BIT(16)
382 #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID           355 #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID         BIT(17)
383 #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP    356 #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP  BIT(18)
384 #define HID_QUIRK_HAVE_SPECIAL_DRIVER             357 #define HID_QUIRK_HAVE_SPECIAL_DRIVER           BIT(19)
385 #define HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE    358 #define HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE  BIT(20)
386 #define HID_QUIRK_NOINVERT                     << 
387 #define HID_QUIRK_FULLSPEED_INTERVAL              359 #define HID_QUIRK_FULLSPEED_INTERVAL            BIT(28)
388 #define HID_QUIRK_NO_INIT_REPORTS                 360 #define HID_QUIRK_NO_INIT_REPORTS               BIT(29)
389 #define HID_QUIRK_NO_IGNORE                       361 #define HID_QUIRK_NO_IGNORE                     BIT(30)
390 #define HID_QUIRK_NO_INPUT_SYNC                   362 #define HID_QUIRK_NO_INPUT_SYNC                 BIT(31)
391                                                   363 
392 /*                                                364 /*
393  * HID device groups                              365  * HID device groups
394  *                                                366  *
395  * Note: HID_GROUP_ANY is declared in linux/mo    367  * Note: HID_GROUP_ANY is declared in linux/mod_devicetable.h
396  * and has a value of 0x0000                      368  * and has a value of 0x0000
397  */                                               369  */
398 #define HID_GROUP_GENERIC                         370 #define HID_GROUP_GENERIC                       0x0001
399 #define HID_GROUP_MULTITOUCH                      371 #define HID_GROUP_MULTITOUCH                    0x0002
400 #define HID_GROUP_SENSOR_HUB                      372 #define HID_GROUP_SENSOR_HUB                    0x0003
401 #define HID_GROUP_MULTITOUCH_WIN_8                373 #define HID_GROUP_MULTITOUCH_WIN_8              0x0004
402                                                   374 
403 /*                                                375 /*
404  * Vendor specific HID device groups              376  * Vendor specific HID device groups
405  */                                               377  */
406 #define HID_GROUP_RMI                             378 #define HID_GROUP_RMI                           0x0100
407 #define HID_GROUP_WACOM                           379 #define HID_GROUP_WACOM                         0x0101
408 #define HID_GROUP_LOGITECH_DJ_DEVICE              380 #define HID_GROUP_LOGITECH_DJ_DEVICE            0x0102
409 #define HID_GROUP_STEAM                           381 #define HID_GROUP_STEAM                         0x0103
410 #define HID_GROUP_LOGITECH_27MHZ_DEVICE           382 #define HID_GROUP_LOGITECH_27MHZ_DEVICE         0x0104
411 #define HID_GROUP_VIVALDI                         383 #define HID_GROUP_VIVALDI                       0x0105
412                                                   384 
413 /*                                                385 /*
414  * HID protocol status                            386  * HID protocol status
415  */                                               387  */
416 #define HID_REPORT_PROTOCOL     1                 388 #define HID_REPORT_PROTOCOL     1
417 #define HID_BOOT_PROTOCOL       0                 389 #define HID_BOOT_PROTOCOL       0
418                                                   390 
419 /*                                                391 /*
420  * This is the global environment of the parse    392  * This is the global environment of the parser. This information is
421  * persistent for main-items. The global envir    393  * persistent for main-items. The global environment can be saved and
422  * restored with PUSH/POP statements.             394  * restored with PUSH/POP statements.
423  */                                               395  */
424                                                   396 
425 struct hid_global {                               397 struct hid_global {
426         unsigned usage_page;                      398         unsigned usage_page;
427         __s32    logical_minimum;                 399         __s32    logical_minimum;
428         __s32    logical_maximum;                 400         __s32    logical_maximum;
429         __s32    physical_minimum;                401         __s32    physical_minimum;
430         __s32    physical_maximum;                402         __s32    physical_maximum;
431         __s32    unit_exponent;                   403         __s32    unit_exponent;
432         unsigned unit;                            404         unsigned unit;
433         unsigned report_id;                       405         unsigned report_id;
434         unsigned report_size;                     406         unsigned report_size;
435         unsigned report_count;                    407         unsigned report_count;
436 };                                                408 };
437                                                   409 
438 /*                                                410 /*
439  * This is the local environment. It is persis    411  * This is the local environment. It is persistent up the next main-item.
440  */                                               412  */
441                                                   413 
442 #define HID_MAX_USAGES                  12288     414 #define HID_MAX_USAGES                  12288
443 #define HID_DEFAULT_NUM_COLLECTIONS     16        415 #define HID_DEFAULT_NUM_COLLECTIONS     16
444                                                   416 
445 struct hid_local {                                417 struct hid_local {
446         unsigned usage[HID_MAX_USAGES]; /* usa    418         unsigned usage[HID_MAX_USAGES]; /* usage array */
447         u8 usage_size[HID_MAX_USAGES]; /* usag    419         u8 usage_size[HID_MAX_USAGES]; /* usage size array */
448         unsigned collection_index[HID_MAX_USAG    420         unsigned collection_index[HID_MAX_USAGES]; /* collection index array */
449         unsigned usage_index;                     421         unsigned usage_index;
450         unsigned usage_minimum;                   422         unsigned usage_minimum;
451         unsigned delimiter_depth;                 423         unsigned delimiter_depth;
452         unsigned delimiter_branch;                424         unsigned delimiter_branch;
453 };                                                425 };
454                                                   426 
455 /*                                                427 /*
456  * This is the collection stack. We climb up t    428  * This is the collection stack. We climb up the stack to determine
457  * application and function of each field.        429  * application and function of each field.
458  */                                               430  */
459                                                   431 
460 struct hid_collection {                           432 struct hid_collection {
461         int parent_idx; /* device->collection     433         int parent_idx; /* device->collection */
462         unsigned type;                            434         unsigned type;
463         unsigned usage;                           435         unsigned usage;
464         unsigned level;                           436         unsigned level;
465 };                                                437 };
466                                                   438 
467 struct hid_usage {                                439 struct hid_usage {
468         unsigned  hid;                  /* hid    440         unsigned  hid;                  /* hid usage code */
469         unsigned  collection_index;     /* ind    441         unsigned  collection_index;     /* index into collection array */
470         unsigned  usage_index;          /* ind    442         unsigned  usage_index;          /* index into usage array */
471         __s8      resolution_multiplier;/* Eff    443         __s8      resolution_multiplier;/* Effective Resolution Multiplier
472                                            (HU    444                                            (HUT v1.12, 4.3.1), default: 1 */
473         /* hidinput data */                       445         /* hidinput data */
474         __s8      wheel_factor;         /* 120    446         __s8      wheel_factor;         /* 120/resolution_multiplier */
475         __u16     code;                 /* inp    447         __u16     code;                 /* input driver code */
476         __u8      type;                 /* inp    448         __u8      type;                 /* input driver type */
477         __s16     hat_min;              /* hat !! 449         __s8      hat_min;              /* hat switch fun */
478         __s16     hat_max;              /* dit !! 450         __s8      hat_max;              /* ditto */
479         __s16     hat_dir;              /* dit !! 451         __s8      hat_dir;              /* ditto */
480         __s16     wheel_accumulated;    /* hi-    452         __s16     wheel_accumulated;    /* hi-res wheel */
481 };                                                453 };
482                                                   454 
483 struct hid_input;                                 455 struct hid_input;
484                                                   456 
485 struct hid_field {                                457 struct hid_field {
486         unsigned  physical;             /* phy    458         unsigned  physical;             /* physical usage for this field */
487         unsigned  logical;              /* log    459         unsigned  logical;              /* logical usage for this field */
488         unsigned  application;          /* app    460         unsigned  application;          /* application usage for this field */
489         struct hid_usage *usage;        /* usa    461         struct hid_usage *usage;        /* usage table for this function */
490         unsigned  maxusage;             /* max    462         unsigned  maxusage;             /* maximum usage index */
491         unsigned  flags;                /* mai    463         unsigned  flags;                /* main-item flags (i.e. volatile,array,constant) */
492         unsigned  report_offset;        /* bit    464         unsigned  report_offset;        /* bit offset in the report */
493         unsigned  report_size;          /* siz    465         unsigned  report_size;          /* size of this field in the report */
494         unsigned  report_count;         /* num    466         unsigned  report_count;         /* number of this field in the report */
495         unsigned  report_type;          /* (in    467         unsigned  report_type;          /* (input,output,feature) */
496         __s32    *value;                /* las    468         __s32    *value;                /* last known value(s) */
497         __s32    *new_value;            /* new << 
498         __s32    *usages_priorities;    /* pri << 
499                                          * bit << 
500                                          */    << 
501         __s32     logical_minimum;                469         __s32     logical_minimum;
502         __s32     logical_maximum;                470         __s32     logical_maximum;
503         __s32     physical_minimum;               471         __s32     physical_minimum;
504         __s32     physical_maximum;               472         __s32     physical_maximum;
505         __s32     unit_exponent;                  473         __s32     unit_exponent;
506         unsigned  unit;                           474         unsigned  unit;
507         bool      ignored;              /* thi << 
508         struct hid_report *report;      /* ass    475         struct hid_report *report;      /* associated report */
509         unsigned index;                 /* ind    476         unsigned index;                 /* index into report->field[] */
510         /* hidinput data */                       477         /* hidinput data */
511         struct hid_input *hidinput;     /* ass    478         struct hid_input *hidinput;     /* associated input structure */
512         __u16 dpad;                     /* dpa    479         __u16 dpad;                     /* dpad input code */
513         unsigned int slot_idx;          /* slo << 
514 };                                                480 };
515                                                   481 
516 #define HID_MAX_FIELDS 256                        482 #define HID_MAX_FIELDS 256
517                                                   483 
518 struct hid_field_entry {                       << 
519         struct list_head list;                 << 
520         struct hid_field *field;               << 
521         unsigned int index;                    << 
522         __s32 priority;                        << 
523 };                                             << 
524                                                << 
525 struct hid_report {                               484 struct hid_report {
526         struct list_head list;                    485         struct list_head list;
527         struct list_head hidinput_list;           486         struct list_head hidinput_list;
528         struct list_head field_entry_list;     << 
529         unsigned int id;                          487         unsigned int id;                                /* id of this report */
530         enum hid_report_type type;             !! 488         unsigned int type;                              /* report type */
531         unsigned int application;                 489         unsigned int application;                       /* application usage for this report */
532         struct hid_field *field[HID_MAX_FIELDS    490         struct hid_field *field[HID_MAX_FIELDS];        /* fields of the report */
533         struct hid_field_entry *field_entries; << 
534         unsigned maxfield;                        491         unsigned maxfield;                              /* maximum valid field index */
535         unsigned size;                            492         unsigned size;                                  /* size of the report (bits) */
536         struct hid_device *device;                493         struct hid_device *device;                      /* associated device */
537                                                << 
538         /* tool related state */               << 
539         bool tool_active;                      << 
540         unsigned int tool;                     << 
541 };                                                494 };
542                                                   495 
543 #define HID_MAX_IDS 256                           496 #define HID_MAX_IDS 256
544                                                   497 
545 struct hid_report_enum {                          498 struct hid_report_enum {
546         unsigned numbered;                        499         unsigned numbered;
547         struct list_head report_list;             500         struct list_head report_list;
548         struct hid_report *report_id_hash[HID_    501         struct hid_report *report_id_hash[HID_MAX_IDS];
549 };                                                502 };
550                                                   503 
551 #define HID_MIN_BUFFER_SIZE     64                504 #define HID_MIN_BUFFER_SIZE     64              /* make sure there is at least a packet size of space */
552 #define HID_MAX_BUFFER_SIZE     16384             505 #define HID_MAX_BUFFER_SIZE     16384           /* 16kb */
553 #define HID_CONTROL_FIFO_SIZE   256               506 #define HID_CONTROL_FIFO_SIZE   256             /* to init devices with >100 reports */
554 #define HID_OUTPUT_FIFO_SIZE    64                507 #define HID_OUTPUT_FIFO_SIZE    64
555                                                   508 
556 struct hid_control_fifo {                         509 struct hid_control_fifo {
557         unsigned char dir;                        510         unsigned char dir;
558         struct hid_report *report;                511         struct hid_report *report;
559         char *raw_report;                         512         char *raw_report;
560 };                                                513 };
561                                                   514 
562 struct hid_output_fifo {                          515 struct hid_output_fifo {
563         struct hid_report *report;                516         struct hid_report *report;
564         char *raw_report;                         517         char *raw_report;
565 };                                                518 };
566                                                   519 
567 #define HID_CLAIMED_INPUT       BIT(0)            520 #define HID_CLAIMED_INPUT       BIT(0)
568 #define HID_CLAIMED_HIDDEV      BIT(1)            521 #define HID_CLAIMED_HIDDEV      BIT(1)
569 #define HID_CLAIMED_HIDRAW      BIT(2)            522 #define HID_CLAIMED_HIDRAW      BIT(2)
570 #define HID_CLAIMED_DRIVER      BIT(3)            523 #define HID_CLAIMED_DRIVER      BIT(3)
571                                                   524 
572 #define HID_STAT_ADDED          BIT(0)            525 #define HID_STAT_ADDED          BIT(0)
573 #define HID_STAT_PARSED         BIT(1)            526 #define HID_STAT_PARSED         BIT(1)
574 #define HID_STAT_DUP_DETECTED   BIT(2)            527 #define HID_STAT_DUP_DETECTED   BIT(2)
575 #define HID_STAT_REPROBED       BIT(3)            528 #define HID_STAT_REPROBED       BIT(3)
576                                                   529 
577 struct hid_input {                                530 struct hid_input {
578         struct list_head list;                    531         struct list_head list;
579         struct hid_report *report;                532         struct hid_report *report;
580         struct input_dev *input;                  533         struct input_dev *input;
581         const char *name;                         534         const char *name;
                                                   >> 535         bool registered;
582         struct list_head reports;       /* the    536         struct list_head reports;       /* the list of reports */
583         unsigned int application;       /* app    537         unsigned int application;       /* application usage for this input */
584         bool registered;                       << 
585 };                                                538 };
586                                                   539 
587 enum hid_type {                                   540 enum hid_type {
588         HID_TYPE_OTHER = 0,                       541         HID_TYPE_OTHER = 0,
589         HID_TYPE_USBMOUSE,                        542         HID_TYPE_USBMOUSE,
590         HID_TYPE_USBNONE                          543         HID_TYPE_USBNONE
591 };                                                544 };
592                                                   545 
593 enum hid_battery_status {                         546 enum hid_battery_status {
594         HID_BATTERY_UNKNOWN = 0,                  547         HID_BATTERY_UNKNOWN = 0,
595         HID_BATTERY_QUERIED,            /* Ker    548         HID_BATTERY_QUERIED,            /* Kernel explicitly queried battery strength */
596         HID_BATTERY_REPORTED,           /* Dev    549         HID_BATTERY_REPORTED,           /* Device sent unsolicited battery strength report */
597 };                                                550 };
598                                                   551 
599 struct hid_driver;                                552 struct hid_driver;
600 struct hid_ll_driver;                             553 struct hid_ll_driver;
601                                                   554 
602 struct hid_device {                               555 struct hid_device {                                                     /* device report descriptor */
603         const __u8 *dev_rdesc;                 !! 556         __u8 *dev_rdesc;
604         unsigned dev_rsize;                       557         unsigned dev_rsize;
605         const __u8 *rdesc;                     !! 558         __u8 *rdesc;
606         unsigned rsize;                           559         unsigned rsize;
607         struct hid_collection *collection;        560         struct hid_collection *collection;                              /* List of HID collections */
608         unsigned collection_size;                 561         unsigned collection_size;                                       /* Number of allocated hid_collections */
609         unsigned maxcollection;                   562         unsigned maxcollection;                                         /* Number of parsed collections */
610         unsigned maxapplication;                  563         unsigned maxapplication;                                        /* Number of applications */
611         __u16 bus;                                564         __u16 bus;                                                      /* BUS ID */
612         __u16 group;                              565         __u16 group;                                                    /* Report group */
613         __u32 vendor;                             566         __u32 vendor;                                                   /* Vendor ID */
614         __u32 product;                            567         __u32 product;                                                  /* Product ID */
615         __u32 version;                            568         __u32 version;                                                  /* HID version */
616         enum hid_type type;                       569         enum hid_type type;                                             /* device type (mouse, kbd, ...) */
617         unsigned country;                         570         unsigned country;                                               /* HID country */
618         struct hid_report_enum report_enum[HID    571         struct hid_report_enum report_enum[HID_REPORT_TYPES];
619         struct work_struct led_work;              572         struct work_struct led_work;                                    /* delayed LED worker */
620                                                   573 
621         struct semaphore driver_input_lock;       574         struct semaphore driver_input_lock;                             /* protects the current driver */
622         struct device dev;                        575         struct device dev;                                              /* device */
623         struct hid_driver *driver;                576         struct hid_driver *driver;
624         void *devres_group_id;                 << 
625                                                   577 
626         const struct hid_ll_driver *ll_driver; !! 578         struct hid_ll_driver *ll_driver;
627         struct mutex ll_open_lock;                579         struct mutex ll_open_lock;
628         unsigned int ll_open_count;               580         unsigned int ll_open_count;
629                                                   581 
630 #ifdef CONFIG_HID_BATTERY_STRENGTH                582 #ifdef CONFIG_HID_BATTERY_STRENGTH
631         /*                                        583         /*
632          * Power supply information for HID de    584          * Power supply information for HID devices which report
633          * battery strength. power_supply was     585          * battery strength. power_supply was successfully registered if
634          * battery is non-NULL.                   586          * battery is non-NULL.
635          */                                       587          */
636         struct power_supply *battery;             588         struct power_supply *battery;
637         __s32 battery_capacity;                   589         __s32 battery_capacity;
638         __s32 battery_min;                        590         __s32 battery_min;
639         __s32 battery_max;                        591         __s32 battery_max;
640         __s32 battery_report_type;                592         __s32 battery_report_type;
641         __s32 battery_report_id;                  593         __s32 battery_report_id;
642         __s32 battery_charge_status;           << 
643         enum hid_battery_status battery_status    594         enum hid_battery_status battery_status;
644         bool battery_avoid_query;                 595         bool battery_avoid_query;
645         ktime_t battery_ratelimit_time;           596         ktime_t battery_ratelimit_time;
646 #endif                                            597 #endif
647                                                   598 
648         unsigned long status;                     599         unsigned long status;                                           /* see STAT flags above */
649         unsigned claimed;                         600         unsigned claimed;                                               /* Claimed by hidinput, hiddev? */
650         unsigned quirks;                          601         unsigned quirks;                                                /* Various quirks the device can pull on us */
651         unsigned initial_quirks;               << 
652         bool io_started;                          602         bool io_started;                                                /* If IO has started */
653                                                   603 
654         struct list_head inputs;                  604         struct list_head inputs;                                        /* The list of inputs */
655         void *hiddev;                             605         void *hiddev;                                                   /* The hiddev structure */
656         void *hidraw;                             606         void *hidraw;
657                                                   607 
658         char name[128];                           608         char name[128];                                                 /* Device name */
659         char phys[64];                            609         char phys[64];                                                  /* Device physical location */
660         char uniq[64];                            610         char uniq[64];                                                  /* Device unique identifier (serial #) */
661                                                   611 
662         void *driver_data;                        612         void *driver_data;
663                                                   613 
664         /* temporary hid_ff handling (until mo    614         /* temporary hid_ff handling (until moved to the drivers) */
665         int (*ff_init)(struct hid_device *);      615         int (*ff_init)(struct hid_device *);
666                                                   616 
667         /* hiddev event handler */                617         /* hiddev event handler */
668         int (*hiddev_connect)(struct hid_devic    618         int (*hiddev_connect)(struct hid_device *, unsigned int);
669         void (*hiddev_disconnect)(struct hid_d    619         void (*hiddev_disconnect)(struct hid_device *);
670         void (*hiddev_hid_event) (struct hid_d    620         void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field,
671                                   struct hid_u    621                                   struct hid_usage *, __s32);
672         void (*hiddev_report_event) (struct hi    622         void (*hiddev_report_event) (struct hid_device *, struct hid_report *);
673                                                   623 
674         /* debugging support via debugfs */       624         /* debugging support via debugfs */
675         unsigned short debug;                     625         unsigned short debug;
676         struct dentry *debug_dir;                 626         struct dentry *debug_dir;
677         struct dentry *debug_rdesc;               627         struct dentry *debug_rdesc;
678         struct dentry *debug_events;              628         struct dentry *debug_events;
679         struct list_head debug_list;              629         struct list_head debug_list;
680         spinlock_t  debug_list_lock;              630         spinlock_t  debug_list_lock;
681         wait_queue_head_t debug_wait;             631         wait_queue_head_t debug_wait;
682         struct kref                     ref;   << 
683                                                << 
684         unsigned int id;                       << 
685                                                << 
686 #ifdef CONFIG_HID_BPF                          << 
687         struct hid_bpf bpf;                    << 
688 #endif /* CONFIG_HID_BPF */                    << 
689 };                                                632 };
690                                                   633 
691 void hiddev_free(struct kref *ref);            << 
692                                                << 
693 #define to_hid_device(pdev) \                     634 #define to_hid_device(pdev) \
694         container_of(pdev, struct hid_device,     635         container_of(pdev, struct hid_device, dev)
695                                                   636 
696 static inline void *hid_get_drvdata(struct hid    637 static inline void *hid_get_drvdata(struct hid_device *hdev)
697 {                                                 638 {
698         return dev_get_drvdata(&hdev->dev);       639         return dev_get_drvdata(&hdev->dev);
699 }                                                 640 }
700                                                   641 
701 static inline void hid_set_drvdata(struct hid_    642 static inline void hid_set_drvdata(struct hid_device *hdev, void *data)
702 {                                                 643 {
703         dev_set_drvdata(&hdev->dev, data);        644         dev_set_drvdata(&hdev->dev, data);
704 }                                                 645 }
705                                                   646 
706 #define HID_GLOBAL_STACK_SIZE 4                   647 #define HID_GLOBAL_STACK_SIZE 4
707 #define HID_COLLECTION_STACK_SIZE 4               648 #define HID_COLLECTION_STACK_SIZE 4
708                                                   649 
709 #define HID_SCAN_FLAG_MT_WIN_8                    650 #define HID_SCAN_FLAG_MT_WIN_8                  BIT(0)
710 #define HID_SCAN_FLAG_VENDOR_SPECIFIC             651 #define HID_SCAN_FLAG_VENDOR_SPECIFIC           BIT(1)
711 #define HID_SCAN_FLAG_GD_POINTER                  652 #define HID_SCAN_FLAG_GD_POINTER                BIT(2)
712                                                   653 
713 struct hid_parser {                               654 struct hid_parser {
714         struct hid_global     global;             655         struct hid_global     global;
715         struct hid_global     global_stack[HID    656         struct hid_global     global_stack[HID_GLOBAL_STACK_SIZE];
716         unsigned int          global_stack_ptr    657         unsigned int          global_stack_ptr;
717         struct hid_local      local;              658         struct hid_local      local;
718         unsigned int         *collection_stack    659         unsigned int         *collection_stack;
719         unsigned int          collection_stack    660         unsigned int          collection_stack_ptr;
720         unsigned int          collection_stack    661         unsigned int          collection_stack_size;
721         struct hid_device    *device;             662         struct hid_device    *device;
722         unsigned int          scan_flags;         663         unsigned int          scan_flags;
723 };                                                664 };
724                                                   665 
725 struct hid_class_descriptor {                     666 struct hid_class_descriptor {
726         __u8  bDescriptorType;                    667         __u8  bDescriptorType;
727         __le16 wDescriptorLength;                 668         __le16 wDescriptorLength;
728 } __attribute__ ((packed));                       669 } __attribute__ ((packed));
729                                                   670 
730 struct hid_descriptor {                           671 struct hid_descriptor {
731         __u8  bLength;                            672         __u8  bLength;
732         __u8  bDescriptorType;                    673         __u8  bDescriptorType;
733         __le16 bcdHID;                            674         __le16 bcdHID;
734         __u8  bCountryCode;                       675         __u8  bCountryCode;
735         __u8  bNumDescriptors;                    676         __u8  bNumDescriptors;
736                                                   677 
737         struct hid_class_descriptor desc[1];      678         struct hid_class_descriptor desc[1];
738 } __attribute__ ((packed));                       679 } __attribute__ ((packed));
739                                                   680 
740 #define HID_DEVICE(b, g, ven, prod)               681 #define HID_DEVICE(b, g, ven, prod)                                     \
741         .bus = (b), .group = (g), .vendor = (v    682         .bus = (b), .group = (g), .vendor = (ven), .product = (prod)
742 #define HID_USB_DEVICE(ven, prod)                 683 #define HID_USB_DEVICE(ven, prod)                               \
743         .bus = BUS_USB, .vendor = (ven), .prod    684         .bus = BUS_USB, .vendor = (ven), .product = (prod)
744 #define HID_BLUETOOTH_DEVICE(ven, prod)           685 #define HID_BLUETOOTH_DEVICE(ven, prod)                                 \
745         .bus = BUS_BLUETOOTH, .vendor = (ven),    686         .bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod)
746 #define HID_I2C_DEVICE(ven, prod)                 687 #define HID_I2C_DEVICE(ven, prod)                               \
747         .bus = BUS_I2C, .vendor = (ven), .prod    688         .bus = BUS_I2C, .vendor = (ven), .product = (prod)
748                                                   689 
749 #define HID_REPORT_ID(rep) \                      690 #define HID_REPORT_ID(rep) \
750         .report_type = (rep)                      691         .report_type = (rep)
751 #define HID_USAGE_ID(uhid, utype, ucode) \        692 #define HID_USAGE_ID(uhid, utype, ucode) \
752         .usage_hid = (uhid), .usage_type = (ut    693         .usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode)
753 /* we don't want to catch types and codes equa    694 /* we don't want to catch types and codes equal to 0 */
754 #define HID_TERMINATOR          (HID_ANY_ID -     695 #define HID_TERMINATOR          (HID_ANY_ID - 1)
755                                                   696 
756 struct hid_report_id {                            697 struct hid_report_id {
757         __u32 report_type;                        698         __u32 report_type;
758 };                                                699 };
759 struct hid_usage_id {                             700 struct hid_usage_id {
760         __u32 usage_hid;                          701         __u32 usage_hid;
761         __u32 usage_type;                         702         __u32 usage_type;
762         __u32 usage_code;                         703         __u32 usage_code;
763 };                                                704 };
764                                                   705 
765 /**                                               706 /**
766  * struct hid_driver                              707  * struct hid_driver
767  * @name: driver name (e.g. "Footech_bar-wheel    708  * @name: driver name (e.g. "Footech_bar-wheel")
768  * @id_table: which devices is this driver for    709  * @id_table: which devices is this driver for (must be non-NULL for probe
769  *            to be called)                       710  *            to be called)
770  * @dyn_list: list of dynamically added device    711  * @dyn_list: list of dynamically added device ids
771  * @dyn_lock: lock protecting @dyn_list           712  * @dyn_lock: lock protecting @dyn_list
772  * @match: check if the given device is handle    713  * @match: check if the given device is handled by this driver
773  * @probe: new device inserted                    714  * @probe: new device inserted
774  * @remove: device removed (NULL if not a hot-    715  * @remove: device removed (NULL if not a hot-plug capable driver)
775  * @report_table: on which reports to call raw    716  * @report_table: on which reports to call raw_event (NULL means all)
776  * @raw_event: if report in report_table, this    717  * @raw_event: if report in report_table, this hook is called (NULL means nop)
777  * @usage_table: on which events to call event    718  * @usage_table: on which events to call event (NULL means all)
778  * @event: if usage in usage_table, this hook     719  * @event: if usage in usage_table, this hook is called (NULL means nop)
779  * @report: this hook is called after parsing     720  * @report: this hook is called after parsing a report (NULL means nop)
780  * @report_fixup: called before report descrip    721  * @report_fixup: called before report descriptor parsing (NULL means nop)
781  * @input_mapping: invoked on input registerin    722  * @input_mapping: invoked on input registering before mapping an usage
782  * @input_mapped: invoked on input registering    723  * @input_mapped: invoked on input registering after mapping an usage
783  * @input_configured: invoked just before the     724  * @input_configured: invoked just before the device is registered
784  * @feature_mapping: invoked on feature regist    725  * @feature_mapping: invoked on feature registering
785  * @suspend: invoked on suspend (NULL means no    726  * @suspend: invoked on suspend (NULL means nop)
786  * @resume: invoked on resume if device was no    727  * @resume: invoked on resume if device was not reset (NULL means nop)
787  * @reset_resume: invoked on resume if device     728  * @reset_resume: invoked on resume if device was reset (NULL means nop)
788  *                                                729  *
789  * probe should return -errno on error, or 0 o    730  * probe should return -errno on error, or 0 on success. During probe,
790  * input will not be passed to raw_event unles    731  * input will not be passed to raw_event unless hid_device_io_start is
791  * called.                                        732  * called.
792  *                                                733  *
793  * raw_event and event should return negative     734  * raw_event and event should return negative on error, any other value will
794  * pass the event on to .event() typically ret    735  * pass the event on to .event() typically return 0 for success.
795  *                                                736  *
796  * input_mapping shall return a negative value    737  * input_mapping shall return a negative value to completely ignore this usage
797  * (e.g. doubled or invalid usage), zero to co    738  * (e.g. doubled or invalid usage), zero to continue with parsing of this
798  * usage by generic code (no special handling     739  * usage by generic code (no special handling needed) or positive to skip
799  * generic parsing (needed special handling wh    740  * generic parsing (needed special handling which was done in the hook already)
800  * input_mapped shall return negative to infor    741  * input_mapped shall return negative to inform the layer that this usage
801  * should not be considered for further proces    742  * should not be considered for further processing or zero to notify that
802  * no processing was performed and should be d    743  * no processing was performed and should be done in a generic manner
803  * Both these functions may be NULL which mean    744  * Both these functions may be NULL which means the same behavior as returning
804  * zero from them.                                745  * zero from them.
805  */                                               746  */
806 struct hid_driver {                               747 struct hid_driver {
807         char *name;                               748         char *name;
808         const struct hid_device_id *id_table;     749         const struct hid_device_id *id_table;
809                                                   750 
810         struct list_head dyn_list;                751         struct list_head dyn_list;
811         spinlock_t dyn_lock;                      752         spinlock_t dyn_lock;
812                                                   753 
813         bool (*match)(struct hid_device *dev,     754         bool (*match)(struct hid_device *dev, bool ignore_special_driver);
814         int (*probe)(struct hid_device *dev, c    755         int (*probe)(struct hid_device *dev, const struct hid_device_id *id);
815         void (*remove)(struct hid_device *dev)    756         void (*remove)(struct hid_device *dev);
816                                                   757 
817         const struct hid_report_id *report_tab    758         const struct hid_report_id *report_table;
818         int (*raw_event)(struct hid_device *hd    759         int (*raw_event)(struct hid_device *hdev, struct hid_report *report,
819                         u8 *data, int size);      760                         u8 *data, int size);
820         const struct hid_usage_id *usage_table    761         const struct hid_usage_id *usage_table;
821         int (*event)(struct hid_device *hdev,     762         int (*event)(struct hid_device *hdev, struct hid_field *field,
822                         struct hid_usage *usag    763                         struct hid_usage *usage, __s32 value);
823         void (*report)(struct hid_device *hdev    764         void (*report)(struct hid_device *hdev, struct hid_report *report);
824                                                   765 
825         const __u8 *(*report_fixup)(struct hid !! 766         __u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf,
826                         unsigned int *size);      767                         unsigned int *size);
827                                                   768 
828         int (*input_mapping)(struct hid_device    769         int (*input_mapping)(struct hid_device *hdev,
829                         struct hid_input *hidi    770                         struct hid_input *hidinput, struct hid_field *field,
830                         struct hid_usage *usag    771                         struct hid_usage *usage, unsigned long **bit, int *max);
831         int (*input_mapped)(struct hid_device     772         int (*input_mapped)(struct hid_device *hdev,
832                         struct hid_input *hidi    773                         struct hid_input *hidinput, struct hid_field *field,
833                         struct hid_usage *usag    774                         struct hid_usage *usage, unsigned long **bit, int *max);
834         int (*input_configured)(struct hid_dev    775         int (*input_configured)(struct hid_device *hdev,
835                                 struct hid_inp    776                                 struct hid_input *hidinput);
836         void (*feature_mapping)(struct hid_dev    777         void (*feature_mapping)(struct hid_device *hdev,
837                         struct hid_field *fiel    778                         struct hid_field *field,
838                         struct hid_usage *usag    779                         struct hid_usage *usage);
839                                                !! 780 #ifdef CONFIG_PM
840         int (*suspend)(struct hid_device *hdev    781         int (*suspend)(struct hid_device *hdev, pm_message_t message);
841         int (*resume)(struct hid_device *hdev)    782         int (*resume)(struct hid_device *hdev);
842         int (*reset_resume)(struct hid_device     783         int (*reset_resume)(struct hid_device *hdev);
843                                                !! 784 #endif
844 /* private: */                                    785 /* private: */
845         struct device_driver driver;              786         struct device_driver driver;
846 };                                                787 };
847                                                   788 
848 #define to_hid_driver(pdrv) \                     789 #define to_hid_driver(pdrv) \
849         container_of(pdrv, struct hid_driver,     790         container_of(pdrv, struct hid_driver, driver)
850                                                   791 
851 /**                                               792 /**
852  * struct hid_ll_driver - low level driver cal !! 793  * hid_ll_driver - low level driver callbacks
853  * @start: called on probe to start the device    794  * @start: called on probe to start the device
854  * @stop: called on remove                        795  * @stop: called on remove
855  * @open: called by input layer on open           796  * @open: called by input layer on open
856  * @close: called by input layer on close         797  * @close: called by input layer on close
857  * @power: request underlying hardware to ente    798  * @power: request underlying hardware to enter requested power mode
858  * @parse: this method is called only once to     799  * @parse: this method is called only once to parse the device data,
859  *         shouldn't allocate anything to not     800  *         shouldn't allocate anything to not leak memory
860  * @request: send report request to device (e.    801  * @request: send report request to device (e.g. feature report)
861  * @wait: wait for buffered io to complete (se    802  * @wait: wait for buffered io to complete (send/recv reports)
862  * @raw_request: send raw report request to de    803  * @raw_request: send raw report request to device (e.g. feature report)
863  * @output_report: send output report to devic    804  * @output_report: send output report to device
864  * @idle: send idle request to device             805  * @idle: send idle request to device
865  * @may_wakeup: return if device may act as a     806  * @may_wakeup: return if device may act as a wakeup source during system-suspend
866  * @max_buffer_size: over-ride maximum data bu << 
867  */                                               807  */
868 struct hid_ll_driver {                            808 struct hid_ll_driver {
869         int (*start)(struct hid_device *hdev);    809         int (*start)(struct hid_device *hdev);
870         void (*stop)(struct hid_device *hdev);    810         void (*stop)(struct hid_device *hdev);
871                                                   811 
872         int (*open)(struct hid_device *hdev);     812         int (*open)(struct hid_device *hdev);
873         void (*close)(struct hid_device *hdev)    813         void (*close)(struct hid_device *hdev);
874                                                   814 
875         int (*power)(struct hid_device *hdev,     815         int (*power)(struct hid_device *hdev, int level);
876                                                   816 
877         int (*parse)(struct hid_device *hdev);    817         int (*parse)(struct hid_device *hdev);
878                                                   818 
879         void (*request)(struct hid_device *hde    819         void (*request)(struct hid_device *hdev,
880                         struct hid_report *rep    820                         struct hid_report *report, int reqtype);
881                                                   821 
882         int (*wait)(struct hid_device *hdev);     822         int (*wait)(struct hid_device *hdev);
883                                                   823 
884         int (*raw_request) (struct hid_device     824         int (*raw_request) (struct hid_device *hdev, unsigned char reportnum,
885                             __u8 *buf, size_t     825                             __u8 *buf, size_t len, unsigned char rtype,
886                             int reqtype);         826                             int reqtype);
887                                                   827 
888         int (*output_report) (struct hid_devic    828         int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len);
889                                                   829 
890         int (*idle)(struct hid_device *hdev, i    830         int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype);
891         bool (*may_wakeup)(struct hid_device *    831         bool (*may_wakeup)(struct hid_device *hdev);
892                                                << 
893         unsigned int max_buffer_size;          << 
894 };                                                832 };
895                                                   833 
896 extern bool hid_is_usb(const struct hid_device !! 834 extern struct hid_ll_driver i2c_hid_ll_driver;
                                                   >> 835 extern struct hid_ll_driver hidp_hid_driver;
                                                   >> 836 extern struct hid_ll_driver uhid_hid_driver;
                                                   >> 837 extern struct hid_ll_driver usb_hid_driver;
                                                   >> 838 
                                                   >> 839 static inline bool hid_is_using_ll_driver(struct hid_device *hdev,
                                                   >> 840                 struct hid_ll_driver *driver)
                                                   >> 841 {
                                                   >> 842         return hdev->ll_driver == driver;
                                                   >> 843 }
                                                   >> 844 
                                                   >> 845 static inline bool hid_is_usb(struct hid_device *hdev)
                                                   >> 846 {
                                                   >> 847         return hid_is_using_ll_driver(hdev, &usb_hid_driver);
                                                   >> 848 }
897                                                   849 
898 #define PM_HINT_FULLON  1<<5                      850 #define PM_HINT_FULLON  1<<5
899 #define PM_HINT_NORMAL  1<<1                      851 #define PM_HINT_NORMAL  1<<1
900                                                   852 
901 /* Applications from HID Usage Tables 4/8/99 V    853 /* Applications from HID Usage Tables 4/8/99 Version 1.1 */
902 /* We ignore a few input applications that are    854 /* We ignore a few input applications that are not widely used */
903 #define IS_INPUT_APPLICATION(a) \                 855 #define IS_INPUT_APPLICATION(a) \
904                 (((a >= HID_UP_GENDESK) && (a     856                 (((a >= HID_UP_GENDESK) && (a <= HID_GD_MULTIAXIS)) \
905                 || ((a >= HID_DG_DIGITIZER) && !! 857                 || ((a >= HID_DG_PEN) && (a <= HID_DG_WHITEBOARD)) \
906                 || (a == HID_GD_SYSTEM_CONTROL    858                 || (a == HID_GD_SYSTEM_CONTROL) || (a == HID_CP_CONSUMER_CONTROL) \
907                 || (a == HID_GD_WIRELESS_RADIO    859                 || (a == HID_GD_WIRELESS_RADIO_CTLS))
908                                                   860 
909 /* HID core API */                                861 /* HID core API */
910                                                   862 
                                                   >> 863 extern int hid_debug;
                                                   >> 864 
911 extern bool hid_ignore(struct hid_device *);      865 extern bool hid_ignore(struct hid_device *);
912 extern int hid_add_device(struct hid_device *)    866 extern int hid_add_device(struct hid_device *);
913 extern void hid_destroy_device(struct hid_devi    867 extern void hid_destroy_device(struct hid_device *);
914                                                   868 
915 extern const struct bus_type hid_bus_type;     !! 869 extern struct bus_type hid_bus_type;
916                                                   870 
917 extern int __must_check __hid_register_driver(    871 extern int __must_check __hid_register_driver(struct hid_driver *,
918                 struct module *, const char *m    872                 struct module *, const char *mod_name);
919                                                   873 
920 /* use a define to avoid include chaining to g    874 /* use a define to avoid include chaining to get THIS_MODULE & friends */
921 #define hid_register_driver(driver) \             875 #define hid_register_driver(driver) \
922         __hid_register_driver(driver, THIS_MOD    876         __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
923                                                   877 
924 extern void hid_unregister_driver(struct hid_d    878 extern void hid_unregister_driver(struct hid_driver *);
925                                                   879 
926 /**                                               880 /**
927  * module_hid_driver() - Helper macro for regi    881  * module_hid_driver() - Helper macro for registering a HID driver
928  * @__hid_driver: hid_driver struct               882  * @__hid_driver: hid_driver struct
929  *                                                883  *
930  * Helper macro for HID drivers which do not d    884  * Helper macro for HID drivers which do not do anything special in module
931  * init/exit. This eliminates a lot of boilerp    885  * init/exit. This eliminates a lot of boilerplate. Each module may only
932  * use this macro once, and calling it replace    886  * use this macro once, and calling it replaces module_init() and module_exit()
933  */                                               887  */
934 #define module_hid_driver(__hid_driver) \         888 #define module_hid_driver(__hid_driver) \
935         module_driver(__hid_driver, hid_regist    889         module_driver(__hid_driver, hid_register_driver, \
936                       hid_unregister_driver)      890                       hid_unregister_driver)
937                                                   891 
938 extern void hidinput_hid_event(struct hid_devi    892 extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);
939 extern void hidinput_report_event(struct hid_d    893 extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report);
940 extern int hidinput_connect(struct hid_device     894 extern int hidinput_connect(struct hid_device *hid, unsigned int force);
941 extern void hidinput_disconnect(struct hid_dev    895 extern void hidinput_disconnect(struct hid_device *);
942                                                   896 
943 struct hid_field *hid_find_field(struct hid_de << 
944                                  unsigned int  << 
945 int hid_set_field(struct hid_field *, unsigned    897 int hid_set_field(struct hid_field *, unsigned, __s32);
946 int hid_input_report(struct hid_device *hid, e !! 898 int hid_input_report(struct hid_device *, int type, u8 *, u32, int);
947                      int interrupt);           !! 899 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
948 struct hid_field *hidinput_get_led_field(struc    900 struct hid_field *hidinput_get_led_field(struct hid_device *hid);
949 unsigned int hidinput_count_leds(struct hid_de    901 unsigned int hidinput_count_leds(struct hid_device *hid);
950 __s32 hidinput_calc_abs_res(const struct hid_f    902 __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code);
951 void hid_output_report(struct hid_report *repo    903 void hid_output_report(struct hid_report *report, __u8 *data);
952 int __hid_request(struct hid_device *hid, stru !! 904 int __hid_request(struct hid_device *hid, struct hid_report *rep, int reqtype);
953 u8 *hid_alloc_report_buf(struct hid_report *re    905 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags);
954 struct hid_device *hid_allocate_device(void);     906 struct hid_device *hid_allocate_device(void);
955 struct hid_report *hid_register_report(struct     907 struct hid_report *hid_register_report(struct hid_device *device,
956                                        enum hi !! 908                                        unsigned int type, unsigned int id,
957                                        unsigne    909                                        unsigned int application);
958 int hid_parse_report(struct hid_device *hid, c !! 910 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
959 struct hid_report *hid_validate_values(struct     911 struct hid_report *hid_validate_values(struct hid_device *hid,
960                                        enum hi !! 912                                        unsigned int type, unsigned int id,
961                                        unsigne    913                                        unsigned int field_index,
962                                        unsigne    914                                        unsigned int report_counts);
963                                                   915 
964 void hid_setup_resolution_multiplier(struct hi    916 void hid_setup_resolution_multiplier(struct hid_device *hid);
965 int hid_open_report(struct hid_device *device)    917 int hid_open_report(struct hid_device *device);
966 int hid_check_keys_pressed(struct hid_device *    918 int hid_check_keys_pressed(struct hid_device *hid);
967 int hid_connect(struct hid_device *hid, unsign    919 int hid_connect(struct hid_device *hid, unsigned int connect_mask);
968 void hid_disconnect(struct hid_device *hid);      920 void hid_disconnect(struct hid_device *hid);
969 bool hid_match_one_id(const struct hid_device     921 bool hid_match_one_id(const struct hid_device *hdev,
970                       const struct hid_device_    922                       const struct hid_device_id *id);
971 const struct hid_device_id *hid_match_id(const    923 const struct hid_device_id *hid_match_id(const struct hid_device *hdev,
972                                          const    924                                          const struct hid_device_id *id);
973 const struct hid_device_id *hid_match_device(s    925 const struct hid_device_id *hid_match_device(struct hid_device *hdev,
974                                              s    926                                              struct hid_driver *hdrv);
975 bool hid_compare_device_paths(struct hid_devic    927 bool hid_compare_device_paths(struct hid_device *hdev_a,
976                               struct hid_devic    928                               struct hid_device *hdev_b, char separator);
977 s32 hid_snto32(__u32 value, unsigned n);          929 s32 hid_snto32(__u32 value, unsigned n);
978 __u32 hid_field_extract(const struct hid_devic    930 __u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
979                      unsigned offset, unsigned    931                      unsigned offset, unsigned n);
980                                                   932 
981 #ifdef CONFIG_PM                               << 
982 int hid_driver_suspend(struct hid_device *hdev << 
983 int hid_driver_reset_resume(struct hid_device  << 
984 int hid_driver_resume(struct hid_device *hdev) << 
985 #else                                          << 
986 static inline int hid_driver_suspend(struct hi << 
987 static inline int hid_driver_reset_resume(stru << 
988 static inline int hid_driver_resume(struct hid << 
989 #endif                                         << 
990                                                << 
991 /**                                               933 /**
992  * hid_device_io_start - enable HID input duri    934  * hid_device_io_start - enable HID input during probe, remove
993  *                                                935  *
994  * @hid: the device                               936  * @hid: the device
995  *                                                937  *
996  * This should only be called during probe or     938  * This should only be called during probe or remove and only be
997  * called by the thread calling probe or remov    939  * called by the thread calling probe or remove. It will allow
998  * incoming packets to be delivered to the dri    940  * incoming packets to be delivered to the driver.
999  */                                               941  */
1000 static inline void hid_device_io_start(struct    942 static inline void hid_device_io_start(struct hid_device *hid) {
1001         if (hid->io_started) {                   943         if (hid->io_started) {
1002                 dev_warn(&hid->dev, "io alrea    944                 dev_warn(&hid->dev, "io already started\n");
1003                 return;                          945                 return;
1004         }                                        946         }
1005         hid->io_started = true;                  947         hid->io_started = true;
1006         up(&hid->driver_input_lock);             948         up(&hid->driver_input_lock);
1007 }                                                949 }
1008                                                  950 
1009 /**                                              951 /**
1010  * hid_device_io_stop - disable HID input dur    952  * hid_device_io_stop - disable HID input during probe, remove
1011  *                                               953  *
1012  * @hid: the device                              954  * @hid: the device
1013  *                                               955  *
1014  * Should only be called after hid_device_io_    956  * Should only be called after hid_device_io_start. It will prevent
1015  * incoming packets from going to the driver     957  * incoming packets from going to the driver for the duration of
1016  * probe, remove. If called during probe, pac    958  * probe, remove. If called during probe, packets will still go to the
1017  * driver after probe is complete. This funct    959  * driver after probe is complete. This function should only be called
1018  * by the thread calling probe or remove.        960  * by the thread calling probe or remove.
1019  */                                              961  */
1020 static inline void hid_device_io_stop(struct     962 static inline void hid_device_io_stop(struct hid_device *hid) {
1021         if (!hid->io_started) {                  963         if (!hid->io_started) {
1022                 dev_warn(&hid->dev, "io alrea    964                 dev_warn(&hid->dev, "io already stopped\n");
1023                 return;                          965                 return;
1024         }                                        966         }
1025         hid->io_started = false;                 967         hid->io_started = false;
1026         down(&hid->driver_input_lock);           968         down(&hid->driver_input_lock);
1027 }                                                969 }
1028                                                  970 
1029 /**                                              971 /**
1030  * hid_map_usage - map usage input bits          972  * hid_map_usage - map usage input bits
1031  *                                               973  *
1032  * @hidinput: hidinput which we are intereste    974  * @hidinput: hidinput which we are interested in
1033  * @usage: usage to fill in                      975  * @usage: usage to fill in
1034  * @bit: pointer to input->{}bit (out paramet    976  * @bit: pointer to input->{}bit (out parameter)
1035  * @max: maximal valid usage->code to conside    977  * @max: maximal valid usage->code to consider later (out parameter)
1036  * @type: input event type (EV_KEY, EV_REL, .    978  * @type: input event type (EV_KEY, EV_REL, ...)
1037  * @c: code which corresponds to this usage a    979  * @c: code which corresponds to this usage and type
1038  *                                               980  *
1039  * The value pointed to by @bit will be set t    981  * 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    982  * an unhandled event type, or if @c is out of range for @type. This
1041  * can be used as an error condition.            983  * can be used as an error condition.
1042  */                                              984  */
1043 static inline void hid_map_usage(struct hid_i    985 static inline void hid_map_usage(struct hid_input *hidinput,
1044                 struct hid_usage *usage, unsi    986                 struct hid_usage *usage, unsigned long **bit, int *max,
1045                 __u8 type, unsigned int c)       987                 __u8 type, unsigned int c)
1046 {                                                988 {
1047         struct input_dev *input = hidinput->i    989         struct input_dev *input = hidinput->input;
1048         unsigned long *bmap = NULL;              990         unsigned long *bmap = NULL;
1049         unsigned int limit = 0;                  991         unsigned int limit = 0;
1050                                                  992 
1051         switch (type) {                          993         switch (type) {
1052         case EV_ABS:                             994         case EV_ABS:
1053                 bmap = input->absbit;            995                 bmap = input->absbit;
1054                 limit = ABS_MAX;                 996                 limit = ABS_MAX;
1055                 break;                           997                 break;
1056         case EV_REL:                             998         case EV_REL:
1057                 bmap = input->relbit;            999                 bmap = input->relbit;
1058                 limit = REL_MAX;                 1000                 limit = REL_MAX;
1059                 break;                           1001                 break;
1060         case EV_KEY:                             1002         case EV_KEY:
1061                 bmap = input->keybit;            1003                 bmap = input->keybit;
1062                 limit = KEY_MAX;                 1004                 limit = KEY_MAX;
1063                 break;                           1005                 break;
1064         case EV_LED:                             1006         case EV_LED:
1065                 bmap = input->ledbit;            1007                 bmap = input->ledbit;
1066                 limit = LED_MAX;                 1008                 limit = LED_MAX;
1067                 break;                           1009                 break;
1068         case EV_MSC:                          << 
1069                 bmap = input->mscbit;         << 
1070                 limit = MSC_MAX;              << 
1071                 break;                        << 
1072         }                                        1010         }
1073                                                  1011 
1074         if (unlikely(c > limit || !bmap)) {      1012         if (unlikely(c > limit || !bmap)) {
1075                 pr_warn_ratelimited("%s: Inva    1013                 pr_warn_ratelimited("%s: Invalid code %d type %d\n",
1076                                     input->na    1014                                     input->name, c, type);
1077                 *bit = NULL;                     1015                 *bit = NULL;
1078                 return;                          1016                 return;
1079         }                                        1017         }
1080                                                  1018 
1081         usage->type = type;                      1019         usage->type = type;
1082         usage->code = c;                         1020         usage->code = c;
1083         *max = limit;                            1021         *max = limit;
1084         *bit = bmap;                             1022         *bit = bmap;
1085 }                                                1023 }
1086                                                  1024 
1087 /**                                              1025 /**
1088  * hid_map_usage_clear - map usage input bits    1026  * hid_map_usage_clear - map usage input bits and clear the input bit
1089  *                                               1027  *
1090  * @hidinput: hidinput which we are intereste    1028  * @hidinput: hidinput which we are interested in
1091  * @usage: usage to fill in                      1029  * @usage: usage to fill in
1092  * @bit: pointer to input->{}bit (out paramet    1030  * @bit: pointer to input->{}bit (out parameter)
1093  * @max: maximal valid usage->code to conside    1031  * @max: maximal valid usage->code to consider later (out parameter)
1094  * @type: input event type (EV_KEY, EV_REL, .    1032  * @type: input event type (EV_KEY, EV_REL, ...)
1095  * @c: code which corresponds to this usage a    1033  * @c: code which corresponds to this usage and type
1096  *                                               1034  *
1097  * The same as hid_map_usage, except the @c b    1035  * The same as hid_map_usage, except the @c bit is also cleared in supported
1098  * bits (@bit).                                  1036  * bits (@bit).
1099  */                                              1037  */
1100 static inline void hid_map_usage_clear(struct    1038 static inline void hid_map_usage_clear(struct hid_input *hidinput,
1101                 struct hid_usage *usage, unsi    1039                 struct hid_usage *usage, unsigned long **bit, int *max,
1102                 __u8 type, __u16 c)              1040                 __u8 type, __u16 c)
1103 {                                                1041 {
1104         hid_map_usage(hidinput, usage, bit, m    1042         hid_map_usage(hidinput, usage, bit, max, type, c);
1105         if (*bit)                                1043         if (*bit)
1106                 clear_bit(usage->code, *bit);    1044                 clear_bit(usage->code, *bit);
1107 }                                                1045 }
1108                                                  1046 
1109 /**                                              1047 /**
1110  * hid_parse - parse HW reports                  1048  * hid_parse - parse HW reports
1111  *                                               1049  *
1112  * @hdev: hid device                             1050  * @hdev: hid device
1113  *                                               1051  *
1114  * Call this from probe after you set up the     1052  * Call this from probe after you set up the device (if needed). Your
1115  * report_fixup will be called (if non-NULL)     1053  * report_fixup will be called (if non-NULL) after reading raw report from
1116  * device before passing it to hid layer for     1054  * device before passing it to hid layer for real parsing.
1117  */                                              1055  */
1118 static inline int __must_check hid_parse(stru    1056 static inline int __must_check hid_parse(struct hid_device *hdev)
1119 {                                                1057 {
1120         return hid_open_report(hdev);            1058         return hid_open_report(hdev);
1121 }                                                1059 }
1122                                                  1060 
1123 int __must_check hid_hw_start(struct hid_devi    1061 int __must_check hid_hw_start(struct hid_device *hdev,
1124                               unsigned int co    1062                               unsigned int connect_mask);
1125 void hid_hw_stop(struct hid_device *hdev);       1063 void hid_hw_stop(struct hid_device *hdev);
1126 int __must_check hid_hw_open(struct hid_devic    1064 int __must_check hid_hw_open(struct hid_device *hdev);
1127 void hid_hw_close(struct hid_device *hdev);      1065 void hid_hw_close(struct hid_device *hdev);
1128 void hid_hw_request(struct hid_device *hdev,  << 
1129                     struct hid_report *report << 
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 << 
1138                        unsigned char reportnu << 
1139                        size_t len, enum hid_r << 
1140                        enum hid_class_request << 
1141 int hid_hw_output_report(struct hid_device *h << 
1142                                                  1066 
1143 /**                                              1067 /**
1144  * hid_hw_power - requests underlying HW to g    1068  * hid_hw_power - requests underlying HW to go into given power mode
1145  *                                               1069  *
1146  * @hdev: hid device                             1070  * @hdev: hid device
1147  * @level: requested power level (one of %PM_    1071  * @level: requested power level (one of %PM_HINT_* defines)
1148  *                                               1072  *
1149  * This function requests underlying hardware    1073  * This function requests underlying hardware to enter requested power
1150  * mode.                                         1074  * mode.
1151  */                                              1075  */
1152                                                  1076 
1153 static inline int hid_hw_power(struct hid_dev    1077 static inline int hid_hw_power(struct hid_device *hdev, int level)
1154 {                                                1078 {
1155         return hdev->ll_driver->power ? hdev-    1079         return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0;
1156 }                                                1080 }
1157                                                  1081 
1158                                                  1082 
1159 /**                                              1083 /**
                                                   >> 1084  * hid_hw_request - send report request to device
                                                   >> 1085  *
                                                   >> 1086  * @hdev: hid device
                                                   >> 1087  * @report: report to send
                                                   >> 1088  * @reqtype: hid request type
                                                   >> 1089  */
                                                   >> 1090 static inline void hid_hw_request(struct hid_device *hdev,
                                                   >> 1091                                   struct hid_report *report, int reqtype)
                                                   >> 1092 {
                                                   >> 1093         if (hdev->ll_driver->request)
                                                   >> 1094                 return hdev->ll_driver->request(hdev, report, reqtype);
                                                   >> 1095 
                                                   >> 1096         __hid_request(hdev, report, reqtype);
                                                   >> 1097 }
                                                   >> 1098 
                                                   >> 1099 /**
                                                   >> 1100  * hid_hw_raw_request - send report request to device
                                                   >> 1101  *
                                                   >> 1102  * @hdev: hid device
                                                   >> 1103  * @reportnum: report ID
                                                   >> 1104  * @buf: in/out data to transfer
                                                   >> 1105  * @len: length of buf
                                                   >> 1106  * @rtype: HID report type
                                                   >> 1107  * @reqtype: HID_REQ_GET_REPORT or HID_REQ_SET_REPORT
                                                   >> 1108  *
                                                   >> 1109  * Return: count of data transferred, negative if error
                                                   >> 1110  *
                                                   >> 1111  * Same behavior as hid_hw_request, but with raw buffers instead.
                                                   >> 1112  */
                                                   >> 1113 static inline int hid_hw_raw_request(struct hid_device *hdev,
                                                   >> 1114                                   unsigned char reportnum, __u8 *buf,
                                                   >> 1115                                   size_t len, unsigned char rtype, int reqtype)
                                                   >> 1116 {
                                                   >> 1117         if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf)
                                                   >> 1118                 return -EINVAL;
                                                   >> 1119 
                                                   >> 1120         return hdev->ll_driver->raw_request(hdev, reportnum, buf, len,
                                                   >> 1121                                                     rtype, reqtype);
                                                   >> 1122 }
                                                   >> 1123 
                                                   >> 1124 /**
                                                   >> 1125  * hid_hw_output_report - send output report to device
                                                   >> 1126  *
                                                   >> 1127  * @hdev: hid device
                                                   >> 1128  * @buf: raw data to transfer
                                                   >> 1129  * @len: length of buf
                                                   >> 1130  *
                                                   >> 1131  * Return: count of data transferred, negative if error
                                                   >> 1132  */
                                                   >> 1133 static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf,
                                                   >> 1134                                         size_t len)
                                                   >> 1135 {
                                                   >> 1136         if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf)
                                                   >> 1137                 return -EINVAL;
                                                   >> 1138 
                                                   >> 1139         if (hdev->ll_driver->output_report)
                                                   >> 1140                 return hdev->ll_driver->output_report(hdev, buf, len);
                                                   >> 1141 
                                                   >> 1142         return -ENOSYS;
                                                   >> 1143 }
                                                   >> 1144 
                                                   >> 1145 /**
1160  * hid_hw_idle - send idle request to device     1146  * hid_hw_idle - send idle request to device
1161  *                                               1147  *
1162  * @hdev: hid device                             1148  * @hdev: hid device
1163  * @report: report to control                    1149  * @report: report to control
1164  * @idle: idle state                             1150  * @idle: idle state
1165  * @reqtype: hid request type                    1151  * @reqtype: hid request type
1166  */                                              1152  */
1167 static inline int hid_hw_idle(struct hid_devi    1153 static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle,
1168                 enum hid_class_request reqtyp !! 1154                 int reqtype)
1169 {                                                1155 {
1170         if (hdev->ll_driver->idle)               1156         if (hdev->ll_driver->idle)
1171                 return hdev->ll_driver->idle(    1157                 return hdev->ll_driver->idle(hdev, report, idle, reqtype);
1172                                                  1158 
1173         return 0;                                1159         return 0;
1174 }                                                1160 }
1175                                                  1161 
1176 /**                                              1162 /**
1177  * hid_hw_may_wakeup - return if the hid devi !! 1163  * hid_may_wakeup - return if the hid device may act as a wakeup source during system-suspend
1178  *                                               1164  *
1179  * @hdev: hid device                             1165  * @hdev: hid device
1180  */                                              1166  */
1181 static inline bool hid_hw_may_wakeup(struct h    1167 static inline bool hid_hw_may_wakeup(struct hid_device *hdev)
1182 {                                                1168 {
1183         if (hdev->ll_driver->may_wakeup)         1169         if (hdev->ll_driver->may_wakeup)
1184                 return hdev->ll_driver->may_w    1170                 return hdev->ll_driver->may_wakeup(hdev);
1185                                                  1171 
1186         if (hdev->dev.parent)                    1172         if (hdev->dev.parent)
1187                 return device_may_wakeup(hdev    1173                 return device_may_wakeup(hdev->dev.parent);
1188                                                  1174 
1189         return false;                            1175         return false;
1190 }                                                1176 }
1191                                                  1177 
1192 /**                                              1178 /**
1193  * hid_hw_wait - wait for buffered io to comp    1179  * hid_hw_wait - wait for buffered io to complete
1194  *                                               1180  *
1195  * @hdev: hid device                             1181  * @hdev: hid device
1196  */                                              1182  */
1197 static inline void hid_hw_wait(struct hid_dev    1183 static inline void hid_hw_wait(struct hid_device *hdev)
1198 {                                                1184 {
1199         if (hdev->ll_driver->wait)               1185         if (hdev->ll_driver->wait)
1200                 hdev->ll_driver->wait(hdev);     1186                 hdev->ll_driver->wait(hdev);
1201 }                                                1187 }
1202                                                  1188 
1203 /**                                              1189 /**
1204  * hid_report_len - calculate the report leng    1190  * hid_report_len - calculate the report length
1205  *                                               1191  *
1206  * @report: the report we want to know the le    1192  * @report: the report we want to know the length
1207  */                                              1193  */
1208 static inline u32 hid_report_len(struct hid_r    1194 static inline u32 hid_report_len(struct hid_report *report)
1209 {                                                1195 {
1210         return DIV_ROUND_UP(report->size, 8)     1196         return DIV_ROUND_UP(report->size, 8) + (report->id > 0);
1211 }                                                1197 }
1212                                                  1198 
1213 int hid_report_raw_event(struct hid_device *h !! 1199 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size,
1214                          int interrupt);      !! 1200                 int interrupt);
1215                                                  1201 
1216 /* HID quirks API */                             1202 /* HID quirks API */
1217 unsigned long hid_lookup_quirk(const struct h    1203 unsigned long hid_lookup_quirk(const struct hid_device *hdev);
1218 int hid_quirks_init(char **quirks_param, __u1    1204 int hid_quirks_init(char **quirks_param, __u16 bus, int count);
1219 void hid_quirks_exit(__u16 bus);                 1205 void hid_quirks_exit(__u16 bus);
1220                                                  1206 
1221 #ifdef CONFIG_HID_PID                            1207 #ifdef CONFIG_HID_PID
1222 int hid_pidff_init(struct hid_device *hid);      1208 int hid_pidff_init(struct hid_device *hid);
1223 #else                                            1209 #else
1224 #define hid_pidff_init NULL                      1210 #define hid_pidff_init NULL
1225 #endif                                           1211 #endif
1226                                                  1212 
1227 #define dbg_hid(fmt, ...) pr_debug("%s: " fmt !! 1213 #define dbg_hid(fmt, ...)                                               \
                                                   >> 1214 do {                                                                    \
                                                   >> 1215         if (hid_debug)                                                  \
                                                   >> 1216                 printk(KERN_DEBUG "%s: " fmt, __FILE__, ##__VA_ARGS__); \
                                                   >> 1217 } while (0)
1228                                                  1218 
1229 #define hid_err(hid, fmt, ...)                   1219 #define hid_err(hid, fmt, ...)                          \
1230         dev_err(&(hid)->dev, fmt, ##__VA_ARGS    1220         dev_err(&(hid)->dev, fmt, ##__VA_ARGS__)
1231 #define hid_notice(hid, fmt, ...)                1221 #define hid_notice(hid, fmt, ...)                       \
1232         dev_notice(&(hid)->dev, fmt, ##__VA_A    1222         dev_notice(&(hid)->dev, fmt, ##__VA_ARGS__)
1233 #define hid_warn(hid, fmt, ...)                  1223 #define hid_warn(hid, fmt, ...)                         \
1234         dev_warn(&(hid)->dev, fmt, ##__VA_ARG    1224         dev_warn(&(hid)->dev, fmt, ##__VA_ARGS__)
1235 #define hid_info(hid, fmt, ...)                  1225 #define hid_info(hid, fmt, ...)                         \
1236         dev_info(&(hid)->dev, fmt, ##__VA_ARG    1226         dev_info(&(hid)->dev, fmt, ##__VA_ARGS__)
1237 #define hid_dbg(hid, fmt, ...)                   1227 #define hid_dbg(hid, fmt, ...)                          \
1238         dev_dbg(&(hid)->dev, fmt, ##__VA_ARGS    1228         dev_dbg(&(hid)->dev, fmt, ##__VA_ARGS__)
1239                                                  1229 
1240 #define hid_err_once(hid, fmt, ...)              1230 #define hid_err_once(hid, fmt, ...)                     \
1241         dev_err_once(&(hid)->dev, fmt, ##__VA    1231         dev_err_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1242 #define hid_notice_once(hid, fmt, ...)           1232 #define hid_notice_once(hid, fmt, ...)                  \
1243         dev_notice_once(&(hid)->dev, fmt, ##_    1233         dev_notice_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1244 #define hid_warn_once(hid, fmt, ...)             1234 #define hid_warn_once(hid, fmt, ...)                    \
1245         dev_warn_once(&(hid)->dev, fmt, ##__V    1235         dev_warn_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1246 #define hid_info_once(hid, fmt, ...)             1236 #define hid_info_once(hid, fmt, ...)                    \
1247         dev_info_once(&(hid)->dev, fmt, ##__V    1237         dev_info_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1248 #define hid_dbg_once(hid, fmt, ...)              1238 #define hid_dbg_once(hid, fmt, ...)                     \
1249         dev_dbg_once(&(hid)->dev, fmt, ##__VA    1239         dev_dbg_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1250                                                  1240 
1251 #endif                                           1241 #endif
1252                                                  1242 

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