| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Copyright (c) 1999 Andreas Gal |
| * Copyright (c) 2000-2001 Vojtech Pavlik |
| * Copyright (c) 2006-2007 Jiri Kosina |
| */ |
| /* |
| * |
| * Should you need to contact me, the author, you can do so either by |
| * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: |
| * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic |
| */ |
| #ifndef __HID_H |
| #define __HID_H |
| |
| |
| #include <linux/bitops.h> |
| #include <linux/types.h> |
| #include <linux/slab.h> |
| #include <linux/list.h> |
| #include <linux/mod_devicetable.h> /* hid_device_id */ |
| #include <linux/timer.h> |
| #include <linux/workqueue.h> |
| #include <linux/input.h> |
| #include <linux/semaphore.h> |
| #include <linux/mutex.h> |
| #include <linux/power_supply.h> |
| #include <uapi/linux/hid.h> |
| |
| /* |
| * We parse each description item into this structure. Short items data |
| * values are expanded to 32-bit signed int, long items contain a pointer |
| * into the data area. |
| */ |
| |
| struct hid_item { |
| unsigned format; |
| __u8 size; |
| __u8 type; |
| __u8 tag; |
| union { |
| __u8 u8; |
| __s8 s8; |
| __u16 u16; |
| __s16 s16; |
| __u32 u32; |
| __s32 s32; |
| __u8 *longdata; |
| } data; |
| }; |
| |
| /* |
| * HID report item format |
| */ |
| |
| #define HID_ITEM_FORMAT_SHORT 0 |
| #define HID_ITEM_FORMAT_LONG 1 |
| |
| /* |
| * Special tag indicating long items |
| */ |
| |
| #define HID_ITEM_TAG_LONG 15 |
| |
| /* |
| * HID report descriptor item type (prefix bit 2,3) |
| */ |
| |
| #define HID_ITEM_TYPE_MAIN 0 |
| #define HID_ITEM_TYPE_GLOBAL 1 |
| #define HID_ITEM_TYPE_LOCAL 2 |
| #define HID_ITEM_TYPE_RESERVED 3 |
| |
| /* |
| * HID report descriptor main item tags |
| */ |
| |
| #define HID_MAIN_ITEM_TAG_INPUT 8 |
| #define HID_MAIN_ITEM_TAG_OUTPUT 9 |
| #define HID_MAIN_ITEM_TAG_FEATURE 11 |
| #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10 |
| #define HID_MAIN_ITEM_TAG_END_COLLECTION 12 |
| |
| /* |
| * HID report descriptor main item contents |
| */ |
| |
| #define HID_MAIN_ITEM_CONSTANT 0x001 |
| #define HID_MAIN_ITEM_VARIABLE 0x002 |
| #define HID_MAIN_ITEM_RELATIVE 0x004 |
| #define HID_MAIN_ITEM_WRAP 0x008 |
| #define HID_MAIN_ITEM_NONLINEAR 0x010 |
| #define HID_MAIN_ITEM_NO_PREFERRED 0x020 |
| #define HID_MAIN_ITEM_NULL_STATE 0x040 |
| #define HID_MAIN_ITEM_VOLATILE 0x080 |
| #define HID_MAIN_ITEM_BUFFERED_BYTE 0x100 |
| |
| /* |
| * HID report descriptor collection item types |
| */ |
| |
| #define HID_COLLECTION_PHYSICAL 0 |
| #define HID_COLLECTION_APPLICATION 1 |
| #define HID_COLLECTION_LOGICAL 2 |
| |
| /* |
| * HID report descriptor global item tags |
| */ |
| |
| #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0 |
| #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1 |
| #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2 |
| #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3 |
| #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4 |
| #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5 |
| #define HID_GLOBAL_ITEM_TAG_UNIT 6 |
| #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7 |
| #define HID_GLOBAL_ITEM_TAG_REPORT_ID 8 |
| #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9 |
| #define HID_GLOBAL_ITEM_TAG_PUSH 10 |
| #define HID_GLOBAL_ITEM_TAG_POP 11 |
| |
| /* |
| * HID report descriptor local item tags |
| */ |
| |
| #define HID_LOCAL_ITEM_TAG_USAGE 0 |
| #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1 |
| #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2 |
| #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3 |
| #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4 |
| #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5 |
| #define HID_LOCAL_ITEM_TAG_STRING_INDEX 7 |
| #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8 |
| #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9 |
| #define HID_LOCAL_ITEM_TAG_DELIMITER 10 |
| |
| /* |
| * HID usage tables |
| */ |
| |
| #define HID_USAGE_PAGE 0xffff0000 |
| |
| #define HID_UP_UNDEFINED 0x00000000 |
| #define HID_UP_GENDESK 0x00010000 |
| #define HID_UP_SIMULATION 0x00020000 |
| #define HID_UP_GENDEVCTRLS 0x00060000 |
| #define HID_UP_KEYBOARD 0x00070000 |
| #define HID_UP_LED 0x00080000 |
| #define HID_UP_BUTTON 0x00090000 |
| #define HID_UP_ORDINAL 0x000a0000 |
| #define HID_UP_TELEPHONY 0x000b0000 |
| #define HID_UP_CONSUMER 0x000c0000 |
| #define HID_UP_DIGITIZER 0x000d0000 |
| #define HID_UP_PID 0x000f0000 |
| #define HID_UP_HPVENDOR 0xff7f0000 |
| #define HID_UP_HPVENDOR2 0xff010000 |
| #define HID_UP_MSVENDOR 0xff000000 |
| #define HID_UP_CUSTOM 0x00ff0000 |
| #define HID_UP_LOGIVENDOR 0xffbc0000 |
| #define HID_UP_LOGIVENDOR2 0xff090000 |
| #define HID_UP_LOGIVENDOR3 0xff430000 |
| #define HID_UP_LNVENDOR 0xffa00000 |
| #define HID_UP_SENSOR 0x00200000 |
| #define HID_UP_ASUSVENDOR 0xff310000 |
| #define HID_UP_GOOGLEVENDOR 0xffd10000 |
| |
| #define HID_USAGE 0x0000ffff |
| |
| #define HID_GD_POINTER 0x00010001 |
| #define HID_GD_MOUSE 0x00010002 |
| #define HID_GD_JOYSTICK 0x00010004 |
| #define HID_GD_GAMEPAD 0x00010005 |
| #define HID_GD_KEYBOARD 0x00010006 |
| #define HID_GD_KEYPAD 0x00010007 |
| #define HID_GD_MULTIAXIS 0x00010008 |
| /* |
| * Microsoft Win8 Wireless Radio Controls extensions CA, see: |
| * http://www.usb.org/developers/hidpage/HUTRR40RadioHIDUsagesFinal.pdf |
| */ |
| #define HID_GD_WIRELESS_RADIO_CTLS 0x0001000c |
| /* |
| * System Multi-Axis, see: |
| * http://www.usb.org/developers/hidpage/HUTRR62_-_Generic_Desktop_CA_for_System_Multi-Axis_Controllers.txt |
| */ |
| #define HID_GD_SYSTEM_MULTIAXIS 0x0001000e |
| |
| #define HID_GD_X 0x00010030 |
| #define HID_GD_Y 0x00010031 |
| #define HID_GD_Z 0x00010032 |
| #define HID_GD_RX 0x00010033 |
| #define HID_GD_RY 0x00010034 |
| #define HID_GD_RZ 0x00010035 |
| #define HID_GD_SLIDER 0x00010036 |
| #define HID_GD_DIAL 0x00010037 |
| #define HID_GD_WHEEL 0x00010038 |
| #define HID_GD_HATSWITCH 0x00010039 |
| #define HID_GD_BUFFER 0x0001003a |
| #define HID_GD_BYTECOUNT 0x0001003b |
| #define HID_GD_MOTION 0x0001003c |
| #define HID_GD_START 0x0001003d |
| #define HID_GD_SELECT 0x0001003e |
| #define HID_GD_VX 0x00010040 |
| #define HID_GD_VY 0x00010041 |
| #define HID_GD_VZ 0x00010042 |
| #define HID_GD_VBRX 0x00010043 |
| #define HID_GD_VBRY 0x00010044 |
| #define HID_GD_VBRZ 0x00010045 |
| #define HID_GD_VNO 0x00010046 |
| #define HID_GD_FEATURE 0x00010047 |
| #define HID_GD_RESOLUTION_MULTIPLIER 0x00010048 |
| #define HID_GD_SYSTEM_CONTROL 0x00010080 |
| #define HID_GD_UP 0x00010090 |
| #define HID_GD_DOWN 0x00010091 |
| #define HID_GD_RIGHT 0x00010092 |
| #define HID_GD_LEFT 0x00010093 |
| /* Microsoft Win8 Wireless Radio Controls CA usage codes */ |
| #define HID_GD_RFKILL_BTN 0x000100c6 |
| #define HID_GD_RFKILL_LED 0x000100c7 |
| #define HID_GD_RFKILL_SWITCH 0x000100c8 |
| |
| #define HID_DC_BATTERYSTRENGTH 0x00060020 |
| |
| #define HID_CP_CONSUMER_CONTROL 0x000c0001 |
| #define HID_CP_AC_PAN 0x000c0238 |
| |
| #define HID_DG_DIGITIZER 0x000d0001 |
| #define HID_DG_PEN 0x000d0002 |
| #define HID_DG_LIGHTPEN 0x000d0003 |
| #define HID_DG_TOUCHSCREEN 0x000d0004 |
| #define HID_DG_TOUCHPAD 0x000d0005 |
| #define HID_DG_WHITEBOARD 0x000d0006 |
| #define HID_DG_STYLUS 0x000d0020 |
| #define HID_DG_PUCK 0x000d0021 |
| #define HID_DG_FINGER 0x000d0022 |
| #define HID_DG_TIPPRESSURE 0x000d0030 |
| #define HID_DG_BARRELPRESSURE 0x000d0031 |
| #define HID_DG_INRANGE 0x000d0032 |
| #define HID_DG_TOUCH 0x000d0033 |
| #define HID_DG_UNTOUCH 0x000d0034 |
| #define HID_DG_TAP 0x000d0035 |
| #define HID_DG_TABLETFUNCTIONKEY 0x000d0039 |
| #define HID_DG_PROGRAMCHANGEKEY 0x000d003a |
| #define HID_DG_BATTERYSTRENGTH 0x000d003b |
| #define HID_DG_INVERT 0x000d003c |
| #define HID_DG_TILT_X 0x000d003d |
| #define HID_DG_TILT_Y 0x000d003e |
| #define HID_DG_TWIST 0x000d0041 |
| #define HID_DG_TIPSWITCH 0x000d0042 |
| #define HID_DG_TIPSWITCH2 0x000d0043 |
| #define HID_DG_BARRELSWITCH 0x000d0044 |
| #define HID_DG_ERASER 0x000d0045 |
| #define HID_DG_TABLETPICK 0x000d0046 |
| |
| #define HID_CP_CONSUMERCONTROL 0x000c0001 |
| #define HID_CP_NUMERICKEYPAD 0x000c0002 |
| #define HID_CP_PROGRAMMABLEBUTTONS 0x000c0003 |
| #define HID_CP_MICROPHONE 0x000c0004 |
| #define HID_CP_HEADPHONE 0x000c0005 |
| #define HID_CP_GRAPHICEQUALIZER 0x000c0006 |
| #define HID_CP_FUNCTIONBUTTONS 0x000c0036 |
| #define HID_CP_SELECTION 0x000c0080 |
| #define HID_CP_MEDIASELECTION 0x000c0087 |
| #define HID_CP_SELECTDISC 0x000c00ba |
| #define HID_CP_PLAYBACKSPEED 0x000c00f1 |
| #define HID_CP_PROXIMITY 0x000c0109 |
| #define HID_CP_SPEAKERSYSTEM 0x000c0160 |
| #define HID_CP_CHANNELLEFT 0x000c0161 |
| #define HID_CP_CHANNELRIGHT 0x000c0162 |
| #define HID_CP_CHANNELCENTER 0x000c0163 |
| #define HID_CP_CHANNELFRONT 0x000c0164 |
| #define HID_CP_CHANNELCENTERFRONT 0x000c0165 |
| #define HID_CP_CHANNELSIDE 0x000c0166 |
| #define HID_CP_CHANNELSURROUND 0x000c0167 |
| #define HID_CP_CHANNELLOWFREQUENCYENHANCEMENT 0x000c0168 |
| #define HID_CP_CHANNELTOP 0x000c0169 |
| #define HID_CP_CHANNELUNKNOWN 0x000c016a |
| #define HID_CP_APPLICATIONLAUNCHBUTTONS 0x000c0180 |
| #define HID_CP_GENERICGUIAPPLICATIONCONTROLS 0x000c0200 |
| |
| #define HID_DG_DEVICECONFIG 0x000d000e |
| #define HID_DG_DEVICESETTINGS 0x000d0023 |
| #define HID_DG_AZIMUTH 0x000d003f |
| #define HID_DG_CONFIDENCE 0x000d0047 |
| #define HID_DG_WIDTH 0x000d0048 |
| #define HID_DG_HEIGHT 0x000d0049 |
| #define HID_DG_CONTACTID 0x000d0051 |
| #define HID_DG_INPUTMODE 0x000d0052 |
| #define HID_DG_DEVICEINDEX 0x000d0053 |
| #define HID_DG_CONTACTCOUNT 0x000d0054 |
| #define HID_DG_CONTACTMAX 0x000d0055 |
| #define HID_DG_SCANTIME 0x000d0056 |
| #define HID_DG_SURFACESWITCH 0x000d0057 |
| #define HID_DG_BUTTONSWITCH 0x000d0058 |
| #define HID_DG_BUTTONTYPE 0x000d0059 |
| #define HID_DG_BARRELSWITCH2 0x000d005a |
| #define HID_DG_TOOLSERIALNUMBER 0x000d005b |
| #define HID_DG_LATENCYMODE 0x000d0060 |
| |
| #define HID_VD_ASUS_CUSTOM_MEDIA_KEYS 0xff310076 |
| /* |
| * HID report types --- Ouch! HID spec says 1 2 3! |
| */ |
| |
| #define HID_INPUT_REPORT 0 |
| #define HID_OUTPUT_REPORT 1 |
| #define HID_FEATURE_REPORT 2 |
| |
| #define HID_REPORT_TYPES 3 |
| |
| /* |
| * HID connect requests |
| */ |
| |
| #define HID_CONNECT_HIDINPUT BIT(0) |
| #define HID_CONNECT_HIDINPUT_FORCE BIT(1) |
| #define HID_CONNECT_HIDRAW BIT(2) |
| #define HID_CONNECT_HIDDEV BIT(3) |
| #define HID_CONNECT_HIDDEV_FORCE BIT(4) |
| #define HID_CONNECT_FF BIT(5) |
| #define HID_CONNECT_DRIVER BIT(6) |
| #define HID_CONNECT_DEFAULT (HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \ |
| HID_CONNECT_HIDDEV|HID_CONNECT_FF) |
| |
| /* |
| * HID device quirks. |
| */ |
| |
| /* |
| * Increase this if you need to configure more HID quirks at module load time |
| */ |
| #define MAX_USBHID_BOOT_QUIRKS 4 |
| |
| #define HID_QUIRK_INVERT BIT(0) |
| #define HID_QUIRK_NOTOUCH BIT(1) |
| #define HID_QUIRK_IGNORE BIT(2) |
| #define HID_QUIRK_NOGET BIT(3) |
| #define HID_QUIRK_HIDDEV_FORCE BIT(4) |
| #define HID_QUIRK_BADPAD BIT(5) |
| #define HID_QUIRK_MULTI_INPUT BIT(6) |
| #define HID_QUIRK_HIDINPUT_FORCE BIT(7) |
| /* BIT(8) reserved for backward compatibility, was HID_QUIRK_NO_EMPTY_INPUT */ |
| /* BIT(9) reserved for backward compatibility, was NO_INIT_INPUT_REPORTS */ |
| #define HID_QUIRK_ALWAYS_POLL BIT(10) |
| #define HID_QUIRK_INPUT_PER_APP BIT(11) |
| #define HID_QUIRK_SKIP_OUTPUT_REPORTS BIT(16) |
| #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID BIT(17) |
| #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP BIT(18) |
| #define HID_QUIRK_HAVE_SPECIAL_DRIVER BIT(19) |
| #define HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE BIT(20) |
| #define HID_QUIRK_FULLSPEED_INTERVAL BIT(28) |
| #define HID_QUIRK_NO_INIT_REPORTS BIT(29) |
| #define HID_QUIRK_NO_IGNORE BIT(30) |
| #define HID_QUIRK_NO_INPUT_SYNC BIT(31) |
| |
| /* |
| * HID device groups |
| * |
| * Note: HID_GROUP_ANY is declared in linux/mod_devicetable.h |
| * and has a value of 0x0000 |
| */ |
| #define HID_GROUP_GENERIC 0x0001 |
| #define HID_GROUP_MULTITOUCH 0x0002 |
| #define HID_GROUP_SENSOR_HUB 0x0003 |
| #define HID_GROUP_MULTITOUCH_WIN_8 0x0004 |
| |
| /* |
| * Vendor specific HID device groups |
| */ |
| #define HID_GROUP_RMI 0x0100 |
| #define HID_GROUP_WACOM 0x0101 |
| #define HID_GROUP_LOGITECH_DJ_DEVICE 0x0102 |
| #define HID_GROUP_STEAM 0x0103 |
| #define HID_GROUP_LOGITECH_27MHZ_DEVICE 0x0104 |
| #define HID_GROUP_VIVALDI 0x0105 |
| |
| /* |
| * HID protocol status |
| */ |
| #define HID_REPORT_PROTOCOL 1 |
| #define HID_BOOT_PROTOCOL 0 |
| |
| /* |
| * This is the global environment of the parser. This information is |
| * persistent for main-items. The global environment can be saved and |
| * restored with PUSH/POP statements. |
| */ |
| |
| struct hid_global { |
| unsigned usage_page; |
| __s32 logical_minimum; |
| __s32 logical_maximum; |
| __s32 physical_minimum; |
| __s32 physical_maximum; |
| __s32 unit_exponent; |
| unsigned unit; |
| unsigned report_id; |
| unsigned report_size; |
| unsigned report_count; |
| }; |
| |
| /* |
| * This is the local environment. It is persistent up the next main-item. |
| */ |
| |
| #define HID_MAX_USAGES 12288 |
| #define HID_DEFAULT_NUM_COLLECTIONS 16 |
| |
| struct hid_local { |
| unsigned usage[HID_MAX_USAGES]; /* usage array */ |
| u8 usage_size[HID_MAX_USAGES]; /* usage size array */ |
| unsigned collection_index[HID_MAX_USAGES]; /* collection index array */ |
| unsigned usage_index; |
| unsigned usage_minimum; |
| unsigned delimiter_depth; |
| unsigned delimiter_branch; |
| }; |
| |
| /* |
| * This is the collection stack. We climb up the stack to determine |
| * application and function of each field. |
| */ |
| |
| struct hid_collection { |
| int parent_idx; /* device->collection */ |
| unsigned type; |
| unsigned usage; |
| unsigned level; |
| }; |
| |
| struct hid_usage { |
| unsigned hid; /* hid usage code */ |
| unsigned collection_index; /* index into collection array */ |
| unsigned usage_index; /* index into usage array */ |
| __s8 resolution_multiplier;/* Effective Resolution Multiplier |
| (HUT v1.12, 4.3.1), default: 1 */ |
| /* hidinput data */ |
| __s8 wheel_factor; /* 120/resolution_multiplier */ |
| __u16 code; /* input driver code */ |
| __u8 type; /* input driver type */ |
| __s8 hat_min; /* hat switch fun */ |
| __s8 hat_max; /* ditto */ |
| __s8 hat_dir; /* ditto */ |
| __s16 wheel_accumulated; /* hi-res wheel */ |
| }; |
| |
| struct hid_input; |
| |
| struct hid_field { |
| unsigned physical; /* physical usage for this field */ |
| unsigned logical; /* logical usage for this field */ |
| unsigned application; /* application usage for this field */ |
| struct hid_usage *usage; /* usage table for this function */ |
| unsigned maxusage; /* maximum usage index */ |
| unsigned flags; /* main-item flags (i.e. volatile,array,constant) */ |
| unsigned report_offset; /* bit offset in the report */ |
| unsigned report_size; /* size of this field in the report */ |
| unsigned report_count; /* number of this field in the report */ |
| unsigned report_type; /* (input,output,feature) */ |
| __s32 *value; /* last known value(s) */ |
| __s32 logical_minimum; |
| __s32 logical_maximum; |
| __s32 physical_minimum; |
| __s32 physical_maximum; |
| __s32 unit_exponent; |
| unsigned unit; |
| struct hid_report *report; /* associated report */ |
| unsigned index; /* index into report->field[] */ |
| /* hidinput data */ |
| struct hid_input *hidinput; /* associated input structure */ |
| __u16 dpad; /* dpad input code */ |
| }; |
| |
| #define HID_MAX_FIELDS 256 |
| |
| struct hid_report { |
| struct list_head list; |
| struct list_head hidinput_list; |
| unsigned int id; /* id of this report */ |
| unsigned int type; /* report type */ |
| unsigned int application; /* application usage for this report */ |
| struct hid_field *field[HID_MAX_FIELDS]; /* fields of the report */ |
| unsigned maxfield; /* maximum valid field index */ |
| unsigned size; /* size of the report (bits) */ |
| struct hid_device *device; /* associated device */ |
| }; |
| |
| #define HID_MAX_IDS 256 |
| |
| struct hid_report_enum { |
| unsigned numbered; |
| struct list_head report_list; |
| struct hid_report *report_id_hash[HID_MAX_IDS]; |
| }; |
| |
| #define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */ |
| #define HID_MAX_BUFFER_SIZE 16384 /* 16kb */ |
| #define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */ |
| #define HID_OUTPUT_FIFO_SIZE 64 |
| |
| struct hid_control_fifo { |
| unsigned char dir; |
| struct hid_report *report; |
| char *raw_report; |
| }; |
| |
| struct hid_output_fifo { |
| struct hid_report *report; |
| char *raw_report; |
| }; |
| |
| #define HID_CLAIMED_INPUT BIT(0) |
| #define HID_CLAIMED_HIDDEV BIT(1) |
| #define HID_CLAIMED_HIDRAW BIT(2) |
| #define HID_CLAIMED_DRIVER BIT(3) |
| |
| #define HID_STAT_ADDED BIT(0) |
| #define HID_STAT_PARSED BIT(1) |
| #define HID_STAT_DUP_DETECTED BIT(2) |
| #define HID_STAT_REPROBED BIT(3) |
| |
| struct hid_input { |
| struct list_head list; |
| struct hid_report *report; |
| struct input_dev *input; |
| const char *name; |
| bool registered; |
| struct list_head reports; /* the list of reports */ |
| unsigned int application; /* application usage for this input */ |
| }; |
| |
| enum hid_type { |
| HID_TYPE_OTHER = 0, |
| HID_TYPE_USBMOUSE, |
| HID_TYPE_USBNONE |
| }; |
| |
| enum hid_battery_status { |
| HID_BATTERY_UNKNOWN = 0, |
| HID_BATTERY_QUERIED, /* Kernel explicitly queried battery strength */ |
| HID_BATTERY_REPORTED, /* Device sent unsolicited battery strength report */ |
| }; |
| |
| struct hid_driver; |
| struct hid_ll_driver; |
| |
| struct hid_device { /* device report descriptor */ |
| __u8 *dev_rdesc; |
| unsigned dev_rsize; |
| __u8 *rdesc; |
| unsigned rsize; |
| struct hid_collection *collection; /* List of HID collections */ |
| unsigned collection_size; /* Number of allocated hid_collections */ |
| unsigned maxcollection; /* Number of parsed collections */ |
| unsigned maxapplication; /* Number of applications */ |
| __u16 bus; /* BUS ID */ |
| __u16 group; /* Report group */ |
| __u32 vendor; /* Vendor ID */ |
| __u32 product; /* Product ID */ |
| __u32 version; /* HID version */ |
| enum hid_type type; /* device type (mouse, kbd, ...) */ |
| unsigned country; /* HID country */ |
| struct hid_report_enum report_enum[HID_REPORT_TYPES]; |
| struct work_struct led_work; /* delayed LED worker */ |
| |
| struct semaphore driver_input_lock; /* protects the current driver */ |
| struct device dev; /* device */ |
| struct hid_driver *driver; |
| |
| struct hid_ll_driver *ll_driver; |
| struct mutex ll_open_lock; |
| unsigned int ll_open_count; |
| |
| #ifdef CONFIG_HID_BATTERY_STRENGTH |
| /* |
| * Power supply information for HID devices which report |
| * battery strength. power_supply was successfully registered if |
| * battery is non-NULL. |
| */ |
| struct power_supply *battery; |
| __s32 battery_capacity; |
| __s32 battery_min; |
| __s32 battery_max; |
| __s32 battery_report_type; |
| __s32 battery_report_id; |
| enum hid_battery_status battery_status; |
| bool battery_avoid_query; |
| ktime_t battery_ratelimit_time; |
| #endif |
| |
| unsigned long status; /* see STAT flags above */ |
| unsigned claimed; /* Claimed by hidinput, hiddev? */ |
| unsigned quirks; /* Various quirks the device can pull on us */ |
| bool io_started; /* If IO has started */ |
| |
| struct list_head inputs; /* The list of inputs */ |
| void *hiddev; /* The hiddev structure */ |
| void *hidraw; |
| |
| char name[128]; /* Device name */ |
| char phys[64]; /* Device physical location */ |
| char uniq[64]; /* Device unique identifier (serial #) */ |
| |
| void *driver_data; |
| |
| /* temporary hid_ff handling (until moved to the drivers) */ |
| int (*ff_init)(struct hid_device *); |
| |
| /* hiddev event handler */ |
| int (*hiddev_connect)(struct hid_device *, unsigned int); |
| void (*hiddev_disconnect)(struct hid_device *); |
| void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field, |
| struct hid_usage *, __s32); |
| void (*hiddev_report_event) (struct hid_device *, struct hid_report *); |
| |
| /* debugging support via debugfs */ |
| unsigned short debug; |
| struct dentry *debug_dir; |
| struct dentry *debug_rdesc; |
| struct dentry *debug_events; |
| struct list_head debug_list; |
| spinlock_t debug_list_lock; |
| wait_queue_head_t debug_wait; |
| }; |
| |
| #define to_hid_device(pdev) \ |
| container_of(pdev, struct hid_device, dev) |
| |
| static inline void *hid_get_drvdata(struct hid_device *hdev) |
| { |
| return dev_get_drvdata(&hdev->dev); |
| } |
| |
| static inline void hid_set_drvdata(struct hid_device *hdev, void *data) |
| { |
| dev_set_drvdata(&hdev->dev, data); |
| } |
| |
| #define HID_GLOBAL_STACK_SIZE 4 |
| #define HID_COLLECTION_STACK_SIZE 4 |
| |
| #define HID_SCAN_FLAG_MT_WIN_8 BIT(0) |
| #define HID_SCAN_FLAG_VENDOR_SPECIFIC BIT(1) |
| #define HID_SCAN_FLAG_GD_POINTER BIT(2) |
| |
| struct hid_parser { |
| struct hid_global global; |
| struct hid_global global_stack[HID_GLOBAL_STACK_SIZE]; |
| unsigned int global_stack_ptr; |
| struct hid_local local; |
| unsigned int *collection_stack; |
| unsigned int collection_stack_ptr; |
| unsigned int collection_stack_size; |
| struct hid_device *device; |
| unsigned int scan_flags; |
| }; |
| |
| struct hid_class_descriptor { |
| __u8 bDescriptorType; |
| __le16 wDescriptorLength; |
| } __attribute__ ((packed)); |
| |
| struct hid_descriptor { |
| __u8 bLength; |
| __u8 bDescriptorType; |
| __le16 bcdHID; |
| __u8 bCountryCode; |
| __u8 bNumDescriptors; |
| |
| struct hid_class_descriptor desc[1]; |
| } __attribute__ ((packed)); |
| |
| #define HID_DEVICE(b, g, ven, prod) \ |
| .bus = (b), .group = (g), .vendor = (ven), .product = (prod) |
| #define HID_USB_DEVICE(ven, prod) \ |
| .bus = BUS_USB, .vendor = (ven), .product = (prod) |
| #define HID_BLUETOOTH_DEVICE(ven, prod) \ |
| .bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod) |
| #define HID_I2C_DEVICE(ven, prod) \ |
| .bus = BUS_I2C, .vendor = (ven), .product = (prod) |
| |
| #define HID_REPORT_ID(rep) \ |
| .report_type = (rep) |
| #define HID_USAGE_ID(uhid, utype, ucode) \ |
| .usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode) |
| /* we don't want to catch types and codes equal to 0 */ |
| #define HID_TERMINATOR (HID_ANY_ID - 1) |
| |
| struct hid_report_id { |
| __u32 report_type; |
| }; |
| struct hid_usage_id { |
| __u32 usage_hid; |
| __u32 usage_type; |
| __u32 usage_code; |
| }; |
| |
| /** |
| * struct hid_driver |
| * @name: driver name (e.g. "Footech_bar-wheel") |
| * @id_table: which devices is this driver for (must be non-NULL for probe |
| * to be called) |
| * @dyn_list: list of dynamically added device ids |
| * @dyn_lock: lock protecting @dyn_list |
| * @match: check if the given device is handled by this driver |
| * @probe: new device inserted |
| * @remove: device removed (NULL if not a hot-plug capable driver) |
| * @report_table: on which reports to call raw_event (NULL means all) |
| * @raw_event: if report in report_table, this hook is called (NULL means nop) |
| * @usage_table: on which events to call event (NULL means all) |
| * @event: if usage in usage_table, this hook is called (NULL means nop) |
| * @report: this hook is called after parsing a report (NULL means nop) |
| * @report_fixup: called before report descriptor parsing (NULL means nop) |
| * @input_mapping: invoked on input registering before mapping an usage |
| * @input_mapped: invoked on input registering after mapping an usage |
| * @input_configured: invoked just before the device is registered |
| * @feature_mapping: invoked on feature registering |
| * @suspend: invoked on suspend (NULL means nop) |
| * @resume: invoked on resume if device was not reset (NULL means nop) |
| * @reset_resume: invoked on resume if device was reset (NULL means nop) |
| * |
| * probe should return -errno on error, or 0 on success. During probe, |
| * input will not be passed to raw_event unless hid_device_io_start is |
| * called. |
| * |
| * raw_event and event should return negative on error, any other value will |
| * pass the event on to .event() typically return 0 for success. |
| * |
| * input_mapping shall return a negative value to completely ignore this usage |
| * (e.g. doubled or invalid usage), zero to continue with parsing of this |
| * usage by generic code (no special handling needed) or positive to skip |
| * generic parsing (needed special handling which was done in the hook already) |
| * input_mapped shall return negative to inform the layer that this usage |
| * should not be considered for further processing or zero to notify that |
| * no processing was performed and should be done in a generic manner |
| * Both these functions may be NULL which means the same behavior as returning |
| * zero from them. |
| */ |
| struct hid_driver { |
| char *name; |
| const struct hid_device_id *id_table; |
| |
| struct list_head dyn_list; |
| spinlock_t dyn_lock; |
| |
| bool (*match)(struct hid_device *dev, bool ignore_special_driver); |
| int (*probe)(struct hid_device *dev, const struct hid_device_id *id); |
| void (*remove)(struct hid_device *dev); |
| |
| const struct hid_report_id *report_table; |
| int (*raw_event)(struct hid_device *hdev, struct hid_report *report, |
| u8 *data, int size); |
| const struct hid_usage_id *usage_table; |
| int (*event)(struct hid_device *hdev, struct hid_field *field, |
| struct hid_usage *usage, __s32 value); |
| void (*report)(struct hid_device *hdev, struct hid_report *report); |
| |
| __u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf, |
| unsigned int *size); |
| |
| int (*input_mapping)(struct hid_device *hdev, |
| struct hid_input *hidinput, struct hid_field *field, |
| struct hid_usage *usage, unsigned long **bit, int *max); |
| int (*input_mapped)(struct hid_device *hdev, |
| struct hid_input *hidinput, struct hid_field *field, |
| struct hid_usage *usage, unsigned long **bit, int *max); |
| int (*input_configured)(struct hid_device *hdev, |
| struct hid_input *hidinput); |
| void (*feature_mapping)(struct hid_device *hdev, |
| struct hid_field *field, |
| struct hid_usage *usage); |
| #ifdef CONFIG_PM |
| int (*suspend)(struct hid_device *hdev, pm_message_t message); |
| int (*resume)(struct hid_device *hdev); |
| int (*reset_resume)(struct hid_device *hdev); |
| #endif |
| /* private: */ |
| struct device_driver driver; |
| }; |
| |
| #define to_hid_driver(pdrv) \ |
| container_of(pdrv, struct hid_driver, driver) |
| |
| /** |
| * hid_ll_driver - low level driver callbacks |
| * @start: called on probe to start the device |
| * @stop: called on remove |
| * @open: called by input layer on open |
| * @close: called by input layer on close |
| * @power: request underlying hardware to enter requested power mode |
| * @parse: this method is called only once to parse the device data, |
| * shouldn't allocate anything to not leak memory |
| * @request: send report request to device (e.g. feature report) |
| * @wait: wait for buffered io to complete (send/recv reports) |
| * @raw_request: send raw report request to device (e.g. feature report) |
| * @output_report: send output report to device |
| * @idle: send idle request to device |
| */ |
| struct hid_ll_driver { |
| int (*start)(struct hid_device *hdev); |
| void (*stop)(struct hid_device *hdev); |
| |
| int (*open)(struct hid_device *hdev); |
| void (*close)(struct hid_device *hdev); |
| |
| int (*power)(struct hid_device *hdev, int level); |
| |
| int (*parse)(struct hid_device *hdev); |
| |
| void (*request)(struct hid_device *hdev, |
| struct hid_report *report, int reqtype); |
| |
| int (*wait)(struct hid_device *hdev); |
| |
| int (*raw_request) (struct hid_device *hdev, unsigned char reportnum, |
| __u8 *buf, size_t len, unsigned char rtype, |
| int reqtype); |
| |
| int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len); |
| |
| int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype); |
| }; |
| |
| extern struct hid_ll_driver i2c_hid_ll_driver; |
| extern struct hid_ll_driver hidp_hid_driver; |
| extern struct hid_ll_driver uhid_hid_driver; |
| extern struct hid_ll_driver usb_hid_driver; |
| |
| static inline bool hid_is_using_ll_driver(struct hid_device *hdev, |
| struct hid_ll_driver *driver) |
| { |
| return hdev->ll_driver == driver; |
| } |
| |
| #define PM_HINT_FULLON 1<<5 |
| #define PM_HINT_NORMAL 1<<1 |
| |
| /* Applications from HID Usage Tables 4/8/99 Version 1.1 */ |
| /* We ignore a few input applications that are not widely used */ |
| #define IS_INPUT_APPLICATION(a) \ |
| (((a >= HID_UP_GENDESK) && (a <= HID_GD_MULTIAXIS)) \ |
| || ((a >= HID_DG_PEN) && (a <= HID_DG_WHITEBOARD)) \ |
| || (a == HID_GD_SYSTEM_CONTROL) || (a == HID_CP_CONSUMER_CONTROL) \ |
| || (a == HID_GD_WIRELESS_RADIO_CTLS)) |
| |
| /* HID core API */ |
| |
| extern int hid_debug; |
| |
| extern bool hid_ignore(struct hid_device *); |
| extern int hid_add_device(struct hid_device *); |
| extern void hid_destroy_device(struct hid_device *); |
| |
| extern struct bus_type hid_bus_type; |
| |
| extern int __must_check __hid_register_driver(struct hid_driver *, |
| struct module *, const char *mod_name); |
| |
| /* use a define to avoid include chaining to get THIS_MODULE & friends */ |
| #define hid_register_driver(driver) \ |
| __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME) |
| |
| extern void hid_unregister_driver(struct hid_driver *); |
| |
| /** |
| * module_hid_driver() - Helper macro for registering a HID driver |
| * @__hid_driver: hid_driver struct |
| * |
| * Helper macro for HID drivers which do not do anything special in module |
| * init/exit. This eliminates a lot of boilerplate. Each module may only |
| * use this macro once, and calling it replaces module_init() and module_exit() |
| */ |
| #define module_hid_driver(__hid_driver) \ |
| module_driver(__hid_driver, hid_register_driver, \ |
| hid_unregister_driver) |
| |
| extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); |
| extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report); |
| extern int hidinput_connect(struct hid_device *hid, unsigned int force); |
| extern void hidinput_disconnect(struct hid_device *); |
| |
| int hid_set_field(struct hid_field *, unsigned, __s32); |
| int hid_input_report(struct hid_device *, int type, u8 *, u32, int); |
| int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field); |
| struct hid_field *hidinput_get_led_field(struct hid_device *hid); |
| unsigned int hidinput_count_leds(struct hid_device *hid); |
| __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code); |
| void hid_output_report(struct hid_report *report, __u8 *data); |
| int __hid_request(struct hid_device *hid, struct hid_report *rep, int reqtype); |
| u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags); |
| struct hid_device *hid_allocate_device(void); |
| struct hid_report *hid_register_report(struct hid_device *device, |
| unsigned int type, unsigned int id, |
| unsigned int application); |
| int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); |
| struct hid_report *hid_validate_values(struct hid_device *hid, |
| unsigned int type, unsigned int id, |
| unsigned int field_index, |
| unsigned int report_counts); |
| |
| void hid_setup_resolution_multiplier(struct hid_device *hid); |
| int hid_open_report(struct hid_device *device); |
| int hid_check_keys_pressed(struct hid_device *hid); |
| int hid_connect(struct hid_device *hid, unsigned int connect_mask); |
| void hid_disconnect(struct hid_device *hid); |
| bool hid_match_one_id(const struct hid_device *hdev, |
| const struct hid_device_id *id); |
| const struct hid_device_id *hid_match_id(const struct hid_device *hdev, |
| const struct hid_device_id *id); |
| const struct hid_device_id *hid_match_device(struct hid_device *hdev, |
| struct hid_driver *hdrv); |
| bool hid_compare_device_paths(struct hid_device *hdev_a, |
| struct hid_device *hdev_b, char separator); |
| s32 hid_snto32(__u32 value, unsigned n); |
| __u32 hid_field_extract(const struct hid_device *hid, __u8 *report, |
| unsigned offset, unsigned n); |
| |
| /** |
| * hid_device_io_start - enable HID input during probe, remove |
| * |
| * @hid: the device |
| * |
| * This should only be called during probe or remove and only be |
| * called by the thread calling probe or remove. It will allow |
| * incoming packets to be delivered to the driver. |
| */ |
| static inline void hid_device_io_start(struct hid_device *hid) { |
| if (hid->io_started) { |
| dev_warn(&hid->dev, "io already started\n"); |
| return; |
| } |
| hid->io_started = true; |
| up(&hid->driver_input_lock); |
| } |
| |
| /** |
| * hid_device_io_stop - disable HID input during probe, remove |
| * |
| * @hid: the device |
| * |
| * Should only be called after hid_device_io_start. It will prevent |
| * incoming packets from going to the driver for the duration of |
| * probe, remove. If called during probe, packets will still go to the |
| * driver after probe is complete. This function should only be called |
| * by the thread calling probe or remove. |
| */ |
| static inline void hid_device_io_stop(struct hid_device *hid) { |
| if (!hid->io_started) { |
| dev_warn(&hid->dev, "io already stopped\n"); |
| return; |
| } |
| hid->io_started = false; |
| down(&hid->driver_input_lock); |
| } |
| |
| /** |
| * hid_map_usage - map usage input bits |
| * |
| * @hidinput: hidinput which we are interested in |
| * @usage: usage to fill in |
| * @bit: pointer to input->{}bit (out parameter) |
| * @max: maximal valid usage->code to consider later (out parameter) |
| * @type: input event type (EV_KEY, EV_REL, ...) |
| * @c: code which corresponds to this usage and type |
| * |
| * The value pointed to by @bit will be set to NULL if either @type is |
| * an unhandled event type, or if @c is out of range for @type. This |
| * can be used as an error condition. |
| */ |
| static inline void hid_map_usage(struct hid_input *hidinput, |
| struct hid_usage *usage, unsigned long **bit, int *max, |
| __u8 type, unsigned int c) |
| { |
| struct input_dev *input = hidinput->input; |
| unsigned long *bmap = NULL; |
| unsigned int limit = 0; |
| |
| switch (type) { |
| case EV_ABS: |
| bmap = input->absbit; |
| limit = ABS_MAX; |
| break; |
| case EV_REL: |
| bmap = input->relbit; |
| limit = REL_MAX; |
| break; |
| case EV_KEY: |
| bmap = input->keybit; |
| limit = KEY_MAX; |
| break; |
| case EV_LED: |
| bmap = input->ledbit; |
| limit = LED_MAX; |
| break; |
| } |
| |
| if (unlikely(c > limit || !bmap)) { |
| pr_warn_ratelimited("%s: Invalid code %d type %d\n", |
| input->name, c, type); |
| *bit = NULL; |
| return; |
| } |
| |
| usage->type = type; |
| usage->code = c; |
| *max = limit; |
| *bit = bmap; |
| } |
| |
| /** |
| * hid_map_usage_clear - map usage input bits and clear the input bit |
| * |
| * @hidinput: hidinput which we are interested in |
| * @usage: usage to fill in |
| * @bit: pointer to input->{}bit (out parameter) |
| * @max: maximal valid usage->code to consider later (out parameter) |
| * @type: input event type (EV_KEY, EV_REL, ...) |
| * @c: code which corresponds to this usage and type |
| * |
| * The same as hid_map_usage, except the @c bit is also cleared in supported |
| * bits (@bit). |
| */ |
| static inline void hid_map_usage_clear(struct hid_input *hidinput, |
| struct hid_usage *usage, unsigned long **bit, int *max, |
| __u8 type, __u16 c) |
| { |
| hid_map_usage(hidinput, usage, bit, max, type, c); |
| if (*bit) |
| clear_bit(usage->code, *bit); |
| } |
| |
| /** |
| * hid_parse - parse HW reports |
| * |
| * @hdev: hid device |
| * |
| * Call this from probe after you set up the device (if needed). Your |
| * report_fixup will be called (if non-NULL) after reading raw report from |
| * device before passing it to hid layer for real parsing. |
| */ |
| static inline int __must_check hid_parse(struct hid_device *hdev) |
| { |
| return hid_open_report(hdev); |
| } |
| |
| int __must_check hid_hw_start(struct hid_device *hdev, |
| unsigned int connect_mask); |
| void hid_hw_stop(struct hid_device *hdev); |
| int __must_check hid_hw_open(struct hid_device *hdev); |
| void hid_hw_close(struct hid_device *hdev); |
| |
| /** |
| * hid_hw_power - requests underlying HW to go into given power mode |
| * |
| * @hdev: hid device |
| * @level: requested power level (one of %PM_HINT_* defines) |
| * |
| * This function requests underlying hardware to enter requested power |
| * mode. |
| */ |
| |
| static inline int hid_hw_power(struct hid_device *hdev, int level) |
| { |
| return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0; |
| } |
| |
| |
| /** |
| * hid_hw_request - send report request to device |
| * |
| * @hdev: hid device |
| * @report: report to send |
| * @reqtype: hid request type |
| */ |
| static inline void hid_hw_request(struct hid_device *hdev, |
| struct hid_report *report, int reqtype) |
| { |
| if (hdev->ll_driver->request) |
| return hdev->ll_driver->request(hdev, report, reqtype); |
| |
| __hid_request(hdev, report, reqtype); |
| } |
| |
| /** |
| * hid_hw_raw_request - send report request to device |
| * |
| * @hdev: hid device |
| * @reportnum: report ID |
| * @buf: in/out data to transfer |
| * @len: length of buf |
| * @rtype: HID report type |
| * @reqtype: HID_REQ_GET_REPORT or HID_REQ_SET_REPORT |
| * |
| * Return: count of data transferred, negative if error |
| * |
| * Same behavior as hid_hw_request, but with raw buffers instead. |
| */ |
| static inline int hid_hw_raw_request(struct hid_device *hdev, |
| unsigned char reportnum, __u8 *buf, |
| size_t len, unsigned char rtype, int reqtype) |
| { |
| if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf) |
| return -EINVAL; |
| |
| return hdev->ll_driver->raw_request(hdev, reportnum, buf, len, |
| rtype, reqtype); |
| } |
| |
| /** |
| * hid_hw_output_report - send output report to device |
| * |
| * @hdev: hid device |
| * @buf: raw data to transfer |
| * @len: length of buf |
| * |
| * Return: count of data transferred, negative if error |
| */ |
| static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf, |
| size_t len) |
| { |
| if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf) |
| return -EINVAL; |
| |
| if (hdev->ll_driver->output_report) |
| return hdev->ll_driver->output_report(hdev, buf, len); |
| |
| return -ENOSYS; |
| } |
| |
| /** |
| * hid_hw_idle - send idle request to device |
| * |
| * @hdev: hid device |
| * @report: report to control |
| * @idle: idle state |
| * @reqtype: hid request type |
| */ |
| static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle, |
| int reqtype) |
| { |
| if (hdev->ll_driver->idle) |
| return hdev->ll_driver->idle(hdev, report, idle, reqtype); |
| |
| return 0; |
| } |
| |
| /** |
| * hid_hw_wait - wait for buffered io to complete |
| * |
| * @hdev: hid device |
| */ |
| static inline void hid_hw_wait(struct hid_device *hdev) |
| { |
| if (hdev->ll_driver->wait) |
| hdev->ll_driver->wait(hdev); |
| } |
| |
| /** |
| * hid_report_len - calculate the report length |
| * |
| * @report: the report we want to know the length |
| */ |
| static inline u32 hid_report_len(struct hid_report *report) |
| { |
| /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */ |
| return ((report->size - 1) >> 3) + 1 + (report->id > 0); |
| } |
| |
| int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size, |
| int interrupt); |
| |
| /* HID quirks API */ |
| unsigned long hid_lookup_quirk(const struct hid_device *hdev); |
| int hid_quirks_init(char **quirks_param, __u16 bus, int count); |
| void hid_quirks_exit(__u16 bus); |
| |
| #ifdef CONFIG_HID_PID |
| int hid_pidff_init(struct hid_device *hid); |
| #else |
| #define hid_pidff_init NULL |
| #endif |
| |
| #define dbg_hid(fmt, ...) \ |
| do { \ |
| if (hid_debug) \ |
| printk(KERN_DEBUG "%s: " fmt, __FILE__, ##__VA_ARGS__); \ |
| } while (0) |
| |
| #define hid_err(hid, fmt, ...) \ |
| dev_err(&(hid)->dev, fmt, ##__VA_ARGS__) |
| #define hid_notice(hid, fmt, ...) \ |
| dev_notice(&(hid)->dev, fmt, ##__VA_ARGS__) |
| #define hid_warn(hid, fmt, ...) \ |
| dev_warn(&(hid)->dev, fmt, ##__VA_ARGS__) |
| #define hid_info(hid, fmt, ...) \ |
| dev_info(&(hid)->dev, fmt, ##__VA_ARGS__) |
| #define hid_dbg(hid, fmt, ...) \ |
| dev_dbg(&(hid)->dev, fmt, ##__VA_ARGS__) |
| |
| #define hid_err_once(hid, fmt, ...) \ |
| dev_err_once(&(hid)->dev, fmt, ##__VA_ARGS__) |
| #define hid_notice_once(hid, fmt, ...) \ |
| dev_notice_once(&(hid)->dev, fmt, ##__VA_ARGS__) |
| #define hid_warn_once(hid, fmt, ...) \ |
| dev_warn_once(&(hid)->dev, fmt, ##__VA_ARGS__) |
| #define hid_info_once(hid, fmt, ...) \ |
| dev_info_once(&(hid)->dev, fmt, ##__VA_ARGS__) |
| #define hid_dbg_once(hid, fmt, ...) \ |
| dev_dbg_once(&(hid)->dev, fmt, ##__VA_ARGS__) |
| |
| #endif |