hub.c File Reference

Representation of an USB hub (implementation). More...

#include <usb/classes/classes.h>
#include <usbvirt/device.h>
#include <errno.h>
#include <str_error.h>
#include <assert.h>
#include <stdlib.h>
#include <ddf/driver.h>
#include <usb/debug.h>
#include "hub.h"

Go to the source code of this file.

Data Structures
struct	delay_port_state_change
	Structure for automatic (delayed) port state change. More...
Defines
#define	MAKE_BYTE(b0, b1, b2, b3, b4, b5, b6, b7)
	Produce a byte from bit values.
Functions
static void	clear_port_status_change (hub_port_t *port, uint16_t change)
	Clears a port status change on a port.
static hub_port_t *	get_hub_port (hub_t *hub, size_t port)
	Find a port in a hub.
void	hub_acquire (hub_t *hub)
	Acquire exclusive access to the hub.
void	hub_clear_port_status_change (hub_t *hub, size_t port_index, hub_status_change_t change)
	Clear port status change bit.
size_t	hub_connect_device (hub_t *hub, void *device)
	Connect a device to the hub.
int	hub_disconnect_device (hub_t *hub, void *device)
	Disconnects a device from a hub.
size_t	hub_find_device (hub_t *hub, void *device)
	Find port device is connected to.
hub_port_state_t	hub_get_port_state (hub_t *hub, size_t port_index)
	Get port state.
uint32_t	hub_get_port_status (hub_t *hub, size_t port_index)
	Get port status bits.
uint16_t	hub_get_port_status_change (hub_t *hub, size_t port_index)
	Get port status change bits.
uint8_t	hub_get_status_change_bitmap (hub_t *hub)
	Create hub status change bitmap.
void	hub_init (hub_t *hub)
	Initialize the hub.
static void	hub_init_port (hub_port_t *port, hub_t *hub, size_t index)
	Initialize single hub port.
char	hub_port_state_to_char (hub_port_state_t state)
	Convert hub port state to a char.
void	hub_release (hub_t *hub)
	Give up exclusive access to the hub.
void	hub_set_port_state (hub_t *hub, size_t port_index, hub_port_state_t state)
	Change port state.
void	hub_set_port_state_all (hub_t *hub, hub_port_state_t state)
	Change state of all ports.
static void	set_port_state_delayed (hub_t *hub, size_t port_index, suseconds_t delay_time_ms, hub_port_state_t old_state, hub_port_state_t new_state)
	Change port state with a delay.
static int	set_port_state_delayed_fibril (void *arg)
	Fibril responsible for delayed port state change.
static void	set_port_status_change (hub_port_t *port, hub_status_change_t change)
	Adds a port status change to a port.

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Detailed Description

Representation of an USB hub (implementation).

Definition in file hub.c.

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