diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/hid.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/hid.h | 949 |
1 files changed, 0 insertions, 949 deletions
diff --git a/ANDROID_3.4.5/include/linux/hid.h b/ANDROID_3.4.5/include/linux/hid.h deleted file mode 100644 index 773b4acf..00000000 --- a/ANDROID_3.4.5/include/linux/hid.h +++ /dev/null @@ -1,949 +0,0 @@ -#ifndef __HID_H -#define __HID_H - -/* - * Copyright (c) 1999 Andreas Gal - * Copyright (c) 2000-2001 Vojtech Pavlik - * Copyright (c) 2006-2007 Jiri Kosina - */ - -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * 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 - */ - -/* - * USB HID (Human Interface Device) interface class code - */ - -#define USB_INTERFACE_CLASS_HID 3 - -/* - * USB HID interface subclass and protocol codes - */ - -#define USB_INTERFACE_SUBCLASS_BOOT 1 -#define USB_INTERFACE_PROTOCOL_KEYBOARD 1 -#define USB_INTERFACE_PROTOCOL_MOUSE 2 - -/* - * HID class requests - */ - -#define HID_REQ_GET_REPORT 0x01 -#define HID_REQ_GET_IDLE 0x02 -#define HID_REQ_GET_PROTOCOL 0x03 -#define HID_REQ_SET_REPORT 0x09 -#define HID_REQ_SET_IDLE 0x0A -#define HID_REQ_SET_PROTOCOL 0x0B - -/* - * HID class descriptor types - */ - -#define HID_DT_HID (USB_TYPE_CLASS | 0x01) -#define HID_DT_REPORT (USB_TYPE_CLASS | 0x02) -#define HID_DT_PHYSICAL (USB_TYPE_CLASS | 0x03) - -#define HID_MAX_DESCRIPTOR_SIZE 4096 - -#ifdef __KERNEL__ - -#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/power_supply.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_CONSUMER 0x000c0000 -#define HID_UP_DIGITIZER 0x000d0000 -#define HID_UP_PID 0x000f0000 -#define HID_UP_HPVENDOR 0xff7f0000 -#define HID_UP_MSVENDOR 0xff000000 -#define HID_UP_CUSTOM 0x00ff0000 -#define HID_UP_LOGIVENDOR 0xffbc0000 - -#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 -#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_UP 0x00010090 -#define HID_GD_DOWN 0x00010091 -#define HID_GD_RIGHT 0x00010092 -#define HID_GD_LEFT 0x00010093 - -#define HID_DC_BATTERYSTRENGTH 0x00060020 - -#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_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_INVERT 0x000d003c -#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 -/* - * as of May 20, 2009 the usages below are not yet in the official USB spec - * but are being pushed by Microsft as described in their paper "Digitizer - * Drivers for Windows Touch and Pen-Based Computers" - */ -#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 - -/* - * 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 - -/* - * HID connect requests - */ - -#define HID_CONNECT_HIDINPUT 0x01 -#define HID_CONNECT_HIDINPUT_FORCE 0x02 -#define HID_CONNECT_HIDRAW 0x04 -#define HID_CONNECT_HIDDEV 0x08 -#define HID_CONNECT_HIDDEV_FORCE 0x10 -#define HID_CONNECT_FF 0x20 -#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 0x00000001 -#define HID_QUIRK_NOTOUCH 0x00000002 -#define HID_QUIRK_IGNORE 0x00000004 -#define HID_QUIRK_NOGET 0x00000008 -#define HID_QUIRK_HIDDEV_FORCE 0x00000010 -#define HID_QUIRK_BADPAD 0x00000020 -#define HID_QUIRK_MULTI_INPUT 0x00000040 -#define HID_QUIRK_HIDINPUT_FORCE 0x00000080 -#define HID_QUIRK_MULTITOUCH 0x00000100 -#define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000 -#define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000 -#define HID_QUIRK_NO_INIT_REPORTS 0x20000000 -#define HID_QUIRK_NO_IGNORE 0x40000000 -#define HID_QUIRK_NO_INPUT_SYNC 0x80000000 - -/* - * 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 */ - 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 { - unsigned type; - unsigned usage; - unsigned level; -}; - -struct hid_usage { - unsigned hid; /* hid usage code */ - unsigned collection_index; /* index into collection array */ - /* hidinput data */ - __u16 code; /* input driver code */ - __u8 type; /* input driver type */ - __s8 hat_min; /* hat switch fun */ - __s8 hat_max; /* ditto */ - __s8 hat_dir; /* ditto */ -}; - -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 128 - -struct hid_report { - struct list_head list; - unsigned id; /* id of this report */ - unsigned type; /* report type */ - 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 */ -}; - -struct hid_report_enum { - unsigned numbered; - struct list_head report_list; - struct hid_report *report_id_hash[256]; -}; - -#define HID_REPORT_TYPES 3 - -#define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */ -#define HID_MAX_BUFFER_SIZE 4096 /* 4kb */ -#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 1 -#define HID_CLAIMED_HIDDEV 2 -#define HID_CLAIMED_HIDRAW 4 - -#define HID_STAT_ADDED 1 -#define HID_STAT_PARSED 2 - -struct hid_input { - struct list_head list; - struct hid_report *report; - struct input_dev *input; -}; - -enum hid_type { - HID_TYPE_OTHER = 0, - HID_TYPE_USBMOUSE, - HID_TYPE_USBNONE -}; - -struct hid_driver; -struct hid_ll_driver; - -struct hid_device { /* device report descriptor */ - __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 */ - __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 semaphore driver_lock; /* protects the current driver */ - struct device dev; /* device */ - struct hid_driver *driver; - struct hid_ll_driver *ll_driver; - -#ifdef CONFIG_HID_BATTERY_STRENGTH - /* - * Power supply information for HID devices which report - * battery strength. power_supply is registered iff - * battery.name is non-NULL. - */ - struct power_supply battery; - __s32 battery_min; - __s32 battery_max; - __s32 battery_report_type; - __s32 battery_report_id; -#endif - - unsigned int status; /* see STAT flags above */ - unsigned claimed; /* Claimed by hidinput, hiddev? */ - unsigned quirks; /* Various quirks the device can pull on us */ - - struct list_head inputs; /* The list of inputs */ - void *hiddev; /* The hiddev structure */ - void *hidraw; - int minor; /* Hiddev minor number */ - - int open; /* is the device open by anyone? */ - 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 *); - - /* handler for raw input (Get_Report) data, used by hidraw */ - int (*hid_get_raw_report) (struct hid_device *, unsigned char, __u8 *, size_t, unsigned char); - - /* handler for raw output data, used by hidraw */ - int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t, unsigned char); - - /* debugging support via debugfs */ - unsigned short debug; - struct dentry *debug_dir; - struct dentry *debug_rdesc; - struct dentry *debug_events; - struct list_head debug_list; - wait_queue_head_t debug_wait; -}; - -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 - -struct hid_parser { - struct hid_global global; - struct hid_global global_stack[HID_GLOBAL_STACK_SIZE]; - unsigned global_stack_ptr; - struct hid_local local; - unsigned collection_stack[HID_COLLECTION_STACK_SIZE]; - unsigned collection_stack_ptr; - struct hid_device *device; -}; - -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, ven, prod) \ - .bus = (b), \ - .vendor = (ven), .product = (prod) - -#define HID_USB_DEVICE(ven, prod) HID_DEVICE(BUS_USB, ven, prod) -#define HID_BLUETOOTH_DEVICE(ven, prod) HID_DEVICE(BUS_BLUETOOTH, ven, 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 - * @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_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 - * @feature_mapping: invoked on feature registering - * @input_register: called just before input device is registered after reports - * are parsed. - * @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) - * - * raw_event and event should return 0 on no action performed, 1 when no - * further processing should be done and negative on error - * - * 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; - - 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); - - __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); - void (*feature_mapping)(struct hid_device *hdev, - struct hid_field *field, - struct hid_usage *usage); - int (*input_register)(struct hid_device *hdev, struct hid_input - *hidinput); -#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; -}; - -/** - * 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 - * @hidinput_input_event: event input event (e.g. ff or leds) - * @parse: this method is called only once to parse the device data, - * shouldn't allocate anything to not leak memory - */ -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 (*hidinput_input_event) (struct input_dev *idev, unsigned int type, - unsigned int code, int value); - - int (*parse)(struct hid_device *hdev); -}; - -#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 >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || ((a >= 0x000d0002) && (a <= 0x000d0006))) - -/* HID core API */ - -extern int hid_debug; - -extern int hid_add_device(struct hid_device *); -extern void hid_destroy_device(struct hid_device *); - -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 *); - -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 *, int, 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); -void hid_output_report(struct hid_report *report, __u8 *data); -struct hid_device *hid_allocate_device(void); -struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id); -int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); -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); -const struct hid_device_id *hid_match_id(struct hid_device *hdev, - const struct hid_device_id *id); - -/** - * 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 - */ -static inline void hid_map_usage(struct hid_input *hidinput, - struct hid_usage *usage, unsigned long **bit, int *max, - __u8 type, __u16 c) -{ - struct input_dev *input = hidinput->input; - - usage->type = type; - usage->code = c; - - switch (type) { - case EV_ABS: - *bit = input->absbit; - *max = ABS_MAX; - break; - case EV_REL: - *bit = input->relbit; - *max = REL_MAX; - break; - case EV_KEY: - *bit = input->keybit; - *max = KEY_MAX; - break; - case EV_LED: - *bit = input->ledbit; - *max = LED_MAX; - break; - } -} - -/** - * hid_map_usage_clear - map usage input bits and clear the input bit - * - * 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); - clear_bit(c, *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) -{ - int ret; - - if (hdev->status & HID_STAT_PARSED) - return 0; - - ret = hdev->ll_driver->parse(hdev); - if (!ret) - hdev->status |= HID_STAT_PARSED; - - return ret; -} - -/** - * hid_hw_start - start underlaying HW - * - * @hdev: hid device - * @connect_mask: which outputs to connect, see HID_CONNECT_* - * - * Call this in probe function *after* hid_parse. This will setup HW buffers - * and start the device (if not deffered to device open). hid_hw_stop must be - * called if this was successful. - */ -static inline int __must_check hid_hw_start(struct hid_device *hdev, - unsigned int connect_mask) -{ - int ret = hdev->ll_driver->start(hdev); - if (ret || !connect_mask) - return ret; - ret = hid_connect(hdev, connect_mask); - if (ret) - hdev->ll_driver->stop(hdev); - return ret; -} - -/** - * hid_hw_stop - stop underlaying HW - * - * @hdev: hid device - * - * This is usually called from remove function or from probe when something - * failed and hid_hw_start was called already. - */ -static inline void hid_hw_stop(struct hid_device *hdev) -{ - hid_disconnect(hdev); - hdev->ll_driver->stop(hdev); -} - -/** - * hid_hw_open - signal underlaying HW to start delivering events - * - * @hdev: hid device - * - * Tell underlying HW to start delivering events from the device. - * This function should be called sometime after successful call - * to hid_hiw_start(). - */ -static inline int __must_check hid_hw_open(struct hid_device *hdev) -{ - return hdev->ll_driver->open(hdev); -} - -/** - * hid_hw_close - signal underlaying HW to stop delivering events - * - * @hdev: hid device - * - * This function indicates that we are not interested in the events - * from this device anymore. Delivery of events may or may not stop, - * depending on the number of users still outstanding. - */ -static inline void hid_hw_close(struct hid_device *hdev) -{ - hdev->ll_driver->close(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; -} - -void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, - int interrupt); - -extern int hid_generic_init(void); -extern void hid_generic_exit(void); - -/* HID quirks API */ -u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct); -int usbhid_quirks_init(char **quirks_param); -void usbhid_quirks_exit(void); -void usbhid_set_leds(struct hid_device *hid); - -#ifdef CONFIG_HID_PID -int hid_pidff_init(struct hid_device *hid); -#else -#define hid_pidff_init NULL -#endif - -#define dbg_hid(format, arg...) \ -do { \ - if (hid_debug) \ - printk(KERN_DEBUG "%s: " format, __FILE__, ##arg); \ -} while (0) - -#define hid_printk(level, hid, fmt, arg...) \ - dev_printk(level, &(hid)->dev, fmt, ##arg) -#define hid_emerg(hid, fmt, arg...) \ - dev_emerg(&(hid)->dev, fmt, ##arg) -#define hid_crit(hid, fmt, arg...) \ - dev_crit(&(hid)->dev, fmt, ##arg) -#define hid_alert(hid, fmt, arg...) \ - dev_alert(&(hid)->dev, fmt, ##arg) -#define hid_err(hid, fmt, arg...) \ - dev_err(&(hid)->dev, fmt, ##arg) -#define hid_notice(hid, fmt, arg...) \ - dev_notice(&(hid)->dev, fmt, ##arg) -#define hid_warn(hid, fmt, arg...) \ - dev_warn(&(hid)->dev, fmt, ##arg) -#define hid_info(hid, fmt, arg...) \ - dev_info(&(hid)->dev, fmt, ##arg) -#define hid_dbg(hid, fmt, arg...) \ - dev_dbg(&(hid)->dev, fmt, ##arg) - -#endif /* __KERNEL__ */ - -#endif - |