[PATCH] Generic HID layer - code split

The "big main" split of USB HID code into generic HID code and
USB-transport specific HID handling.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 540 deletions

diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h
deleted file mode 100644
index 76ad68d9edfd..000000000000
--- a/drivers/usb/input/hid.h
+++ /dev/null
@@ -1,540 +0,0 @@
-#ifndef __HID_H
-#define __HID_H
-
-/*
- * $Id: hid.h,v 1.24 2001/12/27 10:37:41 vojtech Exp $
- *
- *  Copyright (c) 1999 Andreas Gal
- *  Copyright (c) 2000-2001 Vojtech Pavlik
- */
-
-/*
- * 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
- */
-
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/list.h>
-#include <linux/timer.h>
-#include <linux/workqueue.h>
-
-/*
- * 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)
-
-/*
- * 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_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
-
-/*
- * 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 device quirks.
- */
-
-#define HID_QUIRK_INVERT			0x00000001
-#define HID_QUIRK_NOTOUCH			0x00000002
-#define HID_QUIRK_IGNORE			0x00000004
-#define HID_QUIRK_NOGET				0x00000008
-#define HID_QUIRK_HIDDEV			0x00000010
-#define HID_QUIRK_BADPAD			0x00000020
-#define HID_QUIRK_MULTI_INPUT			0x00000040
-#define HID_QUIRK_2WHEEL_MOUSE_HACK_7		0x00000080
-#define HID_QUIRK_2WHEEL_MOUSE_HACK_5		0x00000100
-#define HID_QUIRK_2WHEEL_MOUSE_HACK_ON		0x00000200
-#define HID_QUIRK_MIGHTYMOUSE			0x00000400
-#define HID_QUIRK_CYMOTION			0x00000800
-#define HID_QUIRK_POWERBOOK_HAS_FN		0x00001000
-#define HID_QUIRK_POWERBOOK_FN_ON		0x00002000
-#define HID_QUIRK_INVERT_HWHEEL			0x00004000
-#define HID_QUIRK_POWERBOOK_ISO_KEYBOARD	0x00008000
-#define HID_QUIRK_BAD_RELATIVE_KEYS		0x00010000
-
-/*
- * 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_DESCRIPTOR_SIZE		4096
-#define HID_MAX_USAGES			1024
-#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 64
-
-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;
-};
-
-#define HID_CLAIMED_INPUT	1
-#define HID_CLAIMED_HIDDEV	2
-
-#define HID_CTRL_RUNNING	1
-#define HID_OUT_RUNNING		2
-#define HID_IN_RUNNING		3
-#define HID_RESET_PENDING	4
-#define HID_SUSPENDED		5
-#define HID_CLEAR_HALT		6
-
-struct hid_input {
-	struct list_head list;
-	struct hid_report *report;
-	struct input_dev *input;
-};
-
-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 */
-	unsigned version;						/* HID version */
-	unsigned country;						/* HID country */
-	struct hid_report_enum report_enum[HID_REPORT_TYPES];
-
-	struct usb_device *dev;						/* USB device */
-	struct usb_interface *intf;					/* USB interface */
-	int ifnum;							/* USB interface number */
-
-	unsigned long iofl;						/* I/O flags (CTRL_RUNNING, OUT_RUNNING) */
-	struct timer_list io_retry;					/* Retry timer */
-	unsigned long stop_retry;					/* Time to give up, in jiffies */
-	unsigned int retry_delay;					/* Delay length in ms */
-	struct work_struct reset_work;					/* Task context for resets */
-
-	unsigned int bufsize;						/* URB buffer size */
-
-	struct urb *urbin;						/* Input URB */
-	char *inbuf;							/* Input buffer */
-	dma_addr_t inbuf_dma;						/* Input buffer dma */
-	spinlock_t inlock;						/* Input fifo spinlock */
-
-	struct urb *urbctrl;						/* Control URB */
-	struct usb_ctrlrequest *cr;					/* Control request struct */
-	dma_addr_t cr_dma;						/* Control request struct dma */
-	struct hid_control_fifo ctrl[HID_CONTROL_FIFO_SIZE];		/* Control fifo */
-	unsigned char ctrlhead, ctrltail;				/* Control fifo head & tail */
-	char *ctrlbuf;							/* Control buffer */
-	dma_addr_t ctrlbuf_dma;						/* Control buffer dma */
-	spinlock_t ctrllock;						/* Control fifo spinlock */
-
-	struct urb *urbout;						/* Output URB */
-	struct hid_report *out[HID_CONTROL_FIFO_SIZE];			/* Output pipe fifo */
-	unsigned char outhead, outtail;					/* Output pipe fifo head & tail */
-	char *outbuf;							/* Output buffer */
-	dma_addr_t outbuf_dma;						/* Output buffer dma */
-	spinlock_t outlock;						/* Output fifo spinlock */
-
-	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 */
-	int minor;							/* Hiddev minor number */
-
-	wait_queue_head_t wait;						/* For sleeping */
-
-	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 #) */
-
-#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
-	unsigned long pb_pressed_fn[NBITS(KEY_MAX)];
-	unsigned long pb_pressed_numlock[NBITS(KEY_MAX)];
-#endif
-};
-
-#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;
-	__u16 wDescriptorLength;
-} __attribute__ ((packed));
-
-struct hid_descriptor {
-	__u8  bLength;
-	__u8  bDescriptorType;
-	__u16 bcdHID;
-	__u8  bCountryCode;
-	__u8  bNumDescriptors;
-
-	struct hid_class_descriptor desc[1];
-} __attribute__ ((packed));
-
-#ifdef DEBUG
-#include "hid-debug.h"
-#else
-#define hid_dump_input(a,b)	do { } while (0)
-#define hid_dump_device(c)	do { } while (0)
-#define hid_dump_field(a,b)	do { } while (0)
-#define resolv_usage(a)		do { } while (0)
-#define resolv_event(a,b)	do { } while (0)
-#endif
-
-#endif
-
-#ifdef CONFIG_USB_HIDINPUT
-/* 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))
-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 *);
-extern void hidinput_disconnect(struct hid_device *);
-#else
-#define IS_INPUT_APPLICATION(a) (0)
-static inline void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) { }
-static inline void hidinput_report_event(struct hid_device *hid, struct hid_report *report) { }
-static inline int hidinput_connect(struct hid_device *hid) { return -ENODEV; }
-static inline void hidinput_disconnect(struct hid_device *hid) { }
-#endif
-
-int hid_open(struct hid_device *);
-void hid_close(struct hid_device *);
-int hid_set_field(struct hid_field *, unsigned, __s32);
-void hid_submit_report(struct hid_device *, struct hid_report *, unsigned char dir);
-void hid_init_reports(struct hid_device *hid);
-int hid_wait_io(struct hid_device* hid);
-
-
-#ifdef CONFIG_HID_FF
-int hid_ff_init(struct hid_device *hid);
-
-int hid_lgff_init(struct hid_device *hid);
-int hid_tmff_init(struct hid_device *hid);
-int hid_zpff_init(struct hid_device *hid);
-#ifdef CONFIG_HID_PID
-int hid_pidff_init(struct hid_device *hid);
-#else
-static inline int hid_pidff_init(struct hid_device *hid) { return -ENODEV; }
-#endif
-
-#else
-static inline int hid_ff_init(struct hid_device *hid) { return -1; }
-#endif
-