usb_hid.c File Reference

#include <sys/stdint.h>
#include <sys/stddef.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
#include <sys/unistd.h>
#include <sys/callout.h>
#include <sys/malloc.h>
#include <sys/priv.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbhid.h>
#include <dev/usb/usb_core.h>
#include <dev/usb/usb_debug.h>
#include <dev/usb/usb_process.h>
#include <dev/usb/usb_device.h>
#include <dev/usb/usb_request.h>

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Data Structures
struct	hid_pos_data
struct	hid_data

Macros
#define	USB_DEBUG_VAR   usb_debug
#define	MAXUSAGE   64
#define	MAXPUSH   4
#define	MAXID   16

Functions
static void	hid_clear_local (struct hid_item *)
static uint8_t	hid_get_byte (struct hid_data *s, const uint16_t wSize)
static void	hid_switch_rid (struct hid_data *s, struct hid_item *c, int32_t next_rID)
struct hid_data *	hid_start_parse (const void *d, usb_size_t len, int kindset)
void	hid_end_parse (struct hid_data *s)
int	hid_get_item (struct hid_data *s, struct hid_item *h)
int	hid_report_size (const void *buf, usb_size_t len, enum hid_kind k, uint8_t *id)
int	hid_locate (const void *desc, usb_size_t size, int32_t u, enum hid_kind k, uint8_t index, struct hid_location *loc, uint32_t *flags, uint8_t *id)
static uint32_t	hid_get_data_sub (const uint8_t *buf, usb_size_t len, struct hid_location *loc, int is_signed)
int32_t	hid_get_data (const uint8_t *buf, usb_size_t len, struct hid_location *loc)
uint32_t	hid_get_data_unsigned (const uint8_t *buf, usb_size_t len, struct hid_location *loc)
void	hid_put_data_unsigned (uint8_t *buf, usb_size_t len, struct hid_location *loc, unsigned int value)
int	hid_is_collection (const void *desc, usb_size_t size, int32_t usage)
struct usb_hid_descriptor *	hid_get_descriptor_from_usb (struct usb_config_descriptor *cd, struct usb_interface_descriptor *id)
usb_error_t	usbd_req_get_hid_desc (struct usb_device *udev, struct mtx *mtx, void **descp, uint16_t *sizep, struct malloc_type *mem, uint8_t iface_index)
int	hid_is_mouse (const void *d_ptr, uint16_t d_len)
int	hid_is_keyboard (const void *d_ptr, uint16_t d_len)

Macro Definition Documentation

#define MAXID   16

Definition at line 74 of file usb_hid.c.

Referenced by hid_switch_rid().

#define MAXPUSH   4

Definition at line 73 of file usb_hid.c.

Referenced by hid_get_item().

#define MAXUSAGE   64

Definition at line 72 of file usb_hid.c.

Referenced by hid_get_item().

#define USB_DEBUG_VAR   usb_debug

Definition at line 60 of file usb_hid.c.

Function Documentation

static void hid_clear_local ( struct hid_item *  c )

static

Definition at line 106 of file usb_hid.c.

References hid_location::count, hid_item::designator_index, hid_item::designator_maximum, hid_item::designator_minimum, hid_item::loc, hid_item::set_delimiter, hid_location::size, hid_item::string_index, hid_item::string_maximum, hid_item::string_minimum, hid_item::usage, hid_item::usage_maximum, and hid_item::usage_minimum.

Referenced by hid_get_item().

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void hid_end_parse

(

struct hid_data *

s

)

Definition at line 200 of file usb_hid.c.

Referenced by hid_is_collection(), hid_is_mouse(), hid_locate(), and hid_report_size().

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static uint8_t hid_get_byte ( struct hid_data *  s, const uint16_t  wSize  )

static

Definition at line 212 of file usb_hid.c.

References hid_data::end, and hid_data::p.

Referenced by hid_get_item().

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int32_t hid_get_data	(	const uint8_t *	buf,
		usb_size_t	len,
		struct hid_location *	loc
	)

Definition at line 694 of file usb_hid.c.

References hid_get_data_sub().

Referenced by ukbd_intr_callback(), and ums_intr_callback().

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static uint32_t hid_get_data_sub ( const uint8_t *  buf, usb_size_t  len, struct hid_location *  loc, int  is_signed  )

static

Definition at line 650 of file usb_hid.c.

References data, n, hid_location::pos, and hid_location::size.

Referenced by hid_get_data(), and hid_get_data_unsigned().

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uint32_t hid_get_data_unsigned	(	const uint8_t *	buf,
		usb_size_t	len,
		struct hid_location *	loc
	)

Definition at line 700 of file usb_hid.c.

References hid_get_data_sub().

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struct usb_hid_descriptor* hid_get_descriptor_from_usb ( struct usb_config_descriptor *  cd, struct usb_interface_descriptor *  id  )

read

Definition at line 776 of file usb_hid.c.

References usb_descriptor::bDescriptorType, usb_descriptor::bLength, desc, UDESC_HID, UDESC_INTERFACE, usb_desc_foreach(), and USB_HID_DESCRIPTOR_SIZE.

Referenced by usbd_req_get_hid_desc().

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int hid_get_item	(	struct hid_data *	s,
		struct hid_item *	h
	)

Definition at line 242 of file usb_hid.c.

References hid_item::_usage_page, hid_item::collection, hid_item::collevel, hid_location::count, hid_data::cur, hid_item::designator_index, hid_item::designator_maximum, hid_item::designator_minimum, hid_data::end, hid_item::flags, hid_clear_local(), hid_collection, hid_endcollection, hid_feature, hid_get_byte(), hid_input, hid_output, hid_switch_rid(), HIO_VARIABLE, hid_data::icount, hid_data::iusage, hid_item::kind, hid_data::kindset, hid_item::loc, hid_data::loc_count, hid_data::loc_size, hid_item::logical_maximum, hid_item::logical_minimum, MAXPUSH, MAXUSAGE, hid_data::ncount, hid_data::nusage, hid_data::ousage, hid_data::p, hid_item::physical_maximum, hid_item::physical_minimum, hid_location::pos, hid_data::pushlevel, hid_item::set_delimiter, hid_location::size, hid_item::string_index, hid_item::string_maximum, hid_item::string_minimum, hid_data::susage, hid_item::unit, hid_item::unit_exponent, hid_item::usage, hid_data::usage_last, hid_item::usage_maximum, hid_item::usage_minimum, hid_data::usages_max, and hid_data::usages_min.

Referenced by hid_is_collection(), hid_is_mouse(), hid_locate(), and hid_report_size().

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int hid_is_collection	(	const void *	desc,
		usb_size_t	size,
		int32_t	usage
	)

Definition at line 746 of file usb_hid.c.

References hid_collection, hid_end_parse(), hid_get_item(), hid_input, hid_start_parse(), hid_item::kind, and hid_item::usage.

Referenced by hid_is_keyboard().

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int hid_is_keyboard	(	const void *	d_ptr,
		uint16_t	d_len
	)

Definition at line 918 of file usb_hid.c.

References hid_is_collection(), HID_USAGE2, HUG_KEYBOARD, and HUP_GENERIC_DESKTOP.

Referenced by ukbd_probe().

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int hid_is_mouse	(	const void *	d_ptr,
		uint16_t	d_len
	)

Definition at line 860 of file usb_hid.c.

References hid_item::collection, hid_item::flags, hid_collection, hid_end_parse(), hid_endcollection, hid_get_item(), hid_input, hid_start_parse(), HID_USAGE2, HIO_CONST, HIO_RELATIVE, HUG_MOUSE, HUG_X, HUG_Y, HUP_GENERIC_DESKTOP, hid_item::kind, and hid_item::usage.

Referenced by ukbd_probe(), and ums_probe().

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int hid_locate	(	const void *	desc,
		usb_size_t	size,
		int32_t	u,
		enum hid_kind	k,
		uint8_t	index,
		struct hid_location *	loc,
		uint32_t *	flags,
		uint8_t *	id
	)

Definition at line 616 of file usb_hid.c.

References hid_item::flags, hid_end_parse(), hid_get_item(), hid_start_parse(), HIO_CONST, hid_item::kind, hid_item::loc, hid_item::report_ID, hid_location::size, and hid_item::usage.

Referenced by ukbd_parse_hid(), and ums_hid_parse().

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void hid_put_data_unsigned	(	uint8_t *	buf,
		usb_size_t	len,
		struct hid_location *	loc,
		unsigned int	value
	)

Definition at line 709 of file usb_hid.c.

References data, n, hid_location::pos, and hid_location::size.

Referenced by ukbd_set_leds_callback().

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int hid_report_size	(	const void *	buf,
		usb_size_t	len,
		enum hid_kind	k,
		uint8_t *	id
	)

Definition at line 563 of file usb_hid.c.

References hid_location::count, hid_end_parse(), hid_get_item(), hid_start_parse(), hid_item::kind, hid_item::loc, hid_location::pos, hid_item::report_ID, and hid_location::size.

Referenced by ucycom_attach(), uhid_attach(), ukbd_parse_hid(), and ums_attach().

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struct hid_data* hid_start_parse ( const void *  d, usb_size_t  len, int  kindset  )

read

Definition at line 179 of file usb_hid.c.

References hid_data::end, hid_data::kindset, len, hid_data::p, and hid_data::start.

Referenced by hid_is_collection(), hid_is_mouse(), hid_locate(), and hid_report_size().

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static void hid_switch_rid ( struct hid_data *  s, struct hid_item *  c, int32_t  next_rID  )

static

Definition at line 124 of file usb_hid.c.

References DPRINTF, hid_data::last_pos, hid_item::loc, MAXID, hid_pos_data::pos, hid_location::pos, hid_item::report_ID, and hid_pos_data::rid.

Referenced by hid_get_item().

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usb_error_t usbd_req_get_hid_desc	(	struct usb_device *	udev,
		struct mtx *	mtx,
		void **	descp,
		uint16_t *	sizep,
		struct malloc_type *	mem,
		uint8_t	iface_index
	)

Definition at line 807 of file usb_hid.c.

References usb_hid_descriptor::descrs, hid_get_descriptor_from_usb(), usb_interface::idesc, UGETW, USB_ERR_INVAL, USB_ERR_IOERROR, USB_ERR_NOMEM, USB_ERR_NORMAL_COMPLETION, usbd_get_config_descriptor(), usbd_get_iface(), usbd_req_get_report_descriptor(), and usb_hid_descriptor::wDescriptorLength.

Referenced by ucycom_attach(), uhid_attach(), ukbd_attach(), ukbd_probe(), ums_attach(), and ums_probe().

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