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[cdi-devel] [PATCH v3 1/5] CDI.usb, CDI.usb-hcd



From: Max Reitz <max@xxxxxxxxxx>

+ Added CDI.usb header
+ Added CDI.usb-hcd header

Signed-off-by: Max Reitz <max@xxxxxxxxxx>
Signed-off-by: Kevin Wolf <kevin@xxxxxxxxxx>
---
 include/cdi/usb-hcd.h |  178 ++++++++++
 include/cdi/usb.h     |  868 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 1046 insertions(+), 0 deletions(-)
 create mode 100644 include/cdi/usb-hcd.h
 create mode 100644 include/cdi/usb.h

diff --git a/include/cdi/usb-hcd.h b/include/cdi/usb-hcd.h
new file mode 100644
index 0000000..60b0a01
--- /dev/null
+++ b/include/cdi/usb-hcd.h
@@ -0,0 +1,178 @@
+/*
+ * Copyright (c) 2009 Max Reitz
+ *
+ * This program is free software. It comes without any warranty, to
+ * the extent permitted by applicable law. You can redistribute it
+ * and/or modify it under the terms of the Do What The Fuck You Want
+ * To Public License, Version 2, as published by Sam Hocevar. See
+ * http://sam.zoy.org/projects/COPYING.WTFPL for more details.
+ */
+
+/**
+ * \if german
+ * USB-Hostcontrollertreiber
+ * \elseif english
+ * USB host controller drivers
+ * \endif
+ * \defgroup USBHCD
+ */
+/*\@{*/
+
+#ifndef _CDI_USB_HCD_H_
+#define _CDI_USB_HCD_H_
+
+#include "cdi/misc.h"
+#include "cdi/usb.h"
+
+struct cdi_usb_hc {
+    struct cdi_device dev;
+
+    /**
+     * \if german
+     * USB-Geschwindigkeit
+     * \elseif english
+     * USB speed
+     * \endif
+     */
+    cdi_usb_speed_t speed;
+};
+
+struct cdi_usb_hcd {
+    struct cdi_driver drv;
+
+    /**
+     * \if german
+     *
+     * Listet alle Geraete auf, die an den Rootports haengen und ruft ggf.
+     * cdi_usb_device_init auf
+     *
+     * @param device Der Hostcontroller
+     *
+     * \elseif english
+     *
+     * Lists all devices hanging at the root ports and calls (if necessary)
+     * cdi_usb_device_init
+     *
+     * @param device The host controller
+     *
+     * \endif
+     */
+    void (*find_devices)(struct cdi_usb_hc* device);
+
+    /**
+     * \if german
+     *
+     * Aktiviert den zum angegebenen Geraet gehoerigen Rootport
+     *
+     * @param usb_device Das USB-Geraet (muss an einem Rootport haengen)
+     *
+     * \elseif english
+     *
+     * Activates the root port corresponding to the device
+     *
+     * @param usb_device The USB device (must be located at a root port)
+     *
+     * \endif
+     */
+    void (*activate_device)(struct cdi_usb_device* usb_device);
+
+    /**
+     * \if german
+     *
+     * Verarbeitet USB-Pakete
+     *
+     * @param packets Array zu sendender Pakete
+     * @param num_packets Anzahl der Pakete
+     *
+     * @return Gibt den Status an (z. B. USB_NO_ERROR fuer keinen Fehler)
+     *
+     * \elseif english
+     *
+     * Sends USB packets
+     *
+     * @param packets Array of packages to be sent
+     * @param num_packages Number of packages
+     *
+     * \endif
+     */
+    cdi_usb_status_t (*send_packets)(struct cdi_usb_packet* packets,
+        size_t num_packets);
+
+    /**
+     * \if german
+     *
+     * Erstellt eine neue Pipe
+     *
+     * @param pipe Die Pipe
+     *
+     * \elseif english
+     *
+     * Creates a new pipe
+     *
+     * @param pipe The pipe
+     *
+     * \endif
+     */
+    void (*add_pipe)(struct cdi_usb_pipe* pipe);
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \if german
+ *
+ * Initialisiert einen HCD
+ *
+ * @param driver Der HCD
+ *
+ * \elseif english
+ *
+ * Initializes an HCD
+ *
+ * @param driver The HCD
+ *
+ * \endif
+ */
+void cdi_usb_hcd_init(struct cdi_usb_hcd* driver);
+
+/**
+ * \if german
+ *
+ * Gibt einen HCD frei
+ *
+ * @param driver Freizugebender HCD
+ *
+ * \elseif english
+ *
+ * Removes an HCD
+ *
+ * @param driver HCD to be removed
+ *
+ * \endif
+ */
+void cdi_usb_hcd_destroy(struct cdi_usb_hcd* driver);
+
+/**
+ * \if german
+ *
+ * Registriert einen HCD
+ *
+ * @param driver Zu registrierender HCD
+ *
+ * \elseif english
+ *
+ * Registers an HCD
+ *
+ * @param driver HCD to be registered
+ *
+ * \endif
+ */
+void cdi_usb_hcd_register(struct cdi_usb_hcd* driver);
+
+#ifdef __cplusplus
+} //extern "C"
+#endif
+
+#endif
diff --git a/include/cdi/usb.h b/include/cdi/usb.h
new file mode 100644
index 0000000..54ce1a0
--- /dev/null
+++ b/include/cdi/usb.h
@@ -0,0 +1,868 @@
+/*
+ * Copyright (c) 2009 Max Reitz
+ *
+ * This program is free software. It comes without any warranty, to
+ * the extent permitted by applicable law. You can redistribute it
+ * and/or modify it under the terms of the Do What The Fuck You Want
+ * To Public License, Version 2, as published by Sam Hocevar. See
+ * http://sam.zoy.org/projects/COPYING.WTFPL for more details.
+ */
+
+/**
+ * \if german
+ * USB-Bustreiber
+ * \elseif english
+ * USB bus drivers
+ * \endif
+ * \defgroup USB
+ */
+/*\@{*/
+
+#ifndef _CDI_USB_H_
+#define _CDI_USB_H_
+
+#include "stddef.h"
+#include "stdint.h"
+
+typedef enum {
+    /// Low-Speed (1,5 Mbit/s)
+    CDI_USB_LOW_SPEED   = 0x01,
+    /// Full-Speed (12 Mbit/s)
+    CDI_USB_FULL_SPEED  = 0x02,
+    /// High-Speed (480 Mbit/s)
+    CDI_USB_HIGH_SPEED  = 0x04,
+    /// SuperSpeed (5 Gbit/s)
+    CDI_USB_SUPER_SPEED = 0x08,
+} cdi_usb_speed_t;
+
+typedef enum {
+    /**
+     * \if german
+     * SETUP-Paket
+     * \elseif english
+     * SETUP packet
+     * \endif
+     */
+    CDI_USB_PACKET_SETUP = 0x2D,
+
+    /**
+     * \if german
+     * Daten vom Geraet zum Host
+     * \elseif english
+     * Data from the device to the host
+     * \endif
+     */
+    CDI_USB_PACKET_IN    = 0x69,
+
+    /**
+     * \if german
+     * Daten vom Host zum Geraet
+     * \elseif english
+     * Data from the host to the device
+     * \endif
+     */
+    CDI_USB_PACKET_OUT   = 0xE1,
+} cdi_usb_packet_type_t;
+
+typedef enum {
+    /**
+     * \if german
+     * Kein Fehler
+     * \elseif english
+     * No error
+     * \endif
+     */
+    CDI_USB_NO_ERROR      = 0x0000,
+
+    /// Stalled
+    CDI_USB_STALLED       = 0x0001,
+
+    /**
+     * \if german
+     * Bufferfehler (Overflow, underrun, ...)
+     * \elseif english
+     * Buffer error (overflow, underrun, ...)
+     * \endif
+     */
+    CDI_USB_BUFFER_ERROR  = 0x0002,
+
+    /**
+     * \if german
+     * Babble (Geraet hat zu viele Daten gesendet)
+     * \elseif english
+     * Babble (device has sent more data than expected)
+     * \endif
+     */
+    CDI_USB_BABBLE        = 0x0004,
+
+    /**
+     * \if german
+     * NAK (Daten sind erneut zu senden)
+     * \elseif english
+     * NAK (data has to be sent again)
+     * \endif
+     */
+    CDI_USB_NAK           = 0x0008,
+
+    /**
+     * \if german
+     * CRC-Fehler
+     * \elseif english
+     * CRC error
+     * \endif
+     */
+    CDI_USB_CRC           = 0x0010,
+
+    /// Timeout
+    CDI_USB_TIMEOUT       = 0x0020,
+
+    /**
+     * \if german
+     * Bitstuff/-destuff-Fehler
+     * \elseif english
+     * bitstuff/-destuff error
+     * \endif
+     */
+    CDI_USB_BITSTUFF      = 0x0040,
+
+    /**
+     * \if german
+     * Reservieren von Speicher fehlgeschlagen, ...
+     * \elseif english
+     * Allocating of memory failed, ...
+     * \endif
+     */
+    CDI_USB_TRIVIAL_ERROR = 0x0080,
+} cdi_usb_status_t;
+
+struct cdi_usb_hc;
+struct cdi_usb_pipe;
+struct cdi_usb_interface;
+struct cdi_usb_driver;
+
+struct cdi_usb_device {
+    /**
+     * \if german
+     * Der USB-Bustreiber
+     * \elseif english
+     * The USB bus driver
+     * \endif
+     */
+    struct cdi_usb_driver* drv;
+
+    /**
+     * \if german
+     * Der Hostcontroller, an dem das Geraet im Endeffekt haengt
+     * \elseif english
+     * The host controller where the device is eventually located
+     * \endif
+     */
+    struct cdi_usb_hc* hc;
+
+    /**
+     * \if german
+     * Haengt das Geraet an einem Hub, dann ist dieses Feld ein Pointer auf
+     * das entsprechende USB-Geraet, haengt es an einem Rootport, dann ist
+     * dieses Feld NULL.
+     * \elseif english
+     * If the device is located at a hub, then this field contains a pointer to
+     * the corresponding USB device, if it's located at a root port, then this
+     * field is set to NULL.
+     * \endif
+     */
+    struct cdi_usb_device* hub;
+
+    /**
+     * \if german
+     * Geschwindigkeit(-en) dieses Geraets
+     * \elseif english
+     * Speed(-s) supported by this device
+     * \endif
+     */
+    cdi_usb_speed_t speed;
+
+    /// ID
+    int id;
+
+    /**
+     * \if german
+     * Entweder der Rootport oder der Port des Hubs, an dem das Geraet haengt
+     * \elseif english
+     * Either the root port or the port hub's port where the device is located
+     * \endif
+     */
+    int port;
+
+    /**
+     * \if german
+     * Hier darf der Geraetetreiber seine Daten unterbringen
+     * \elseif english
+     * The device driver may store its data here
+     * \endif
+     */
+    void* driver_data;
+
+    /**
+     * \if german
+     * Felder, die so auch bei PCI existieren: Vendor-, Device-, Class-,
+     * Subclass- und Protocol-ID
+     * \elseif english
+     * Fields existing at PCI, too: vendor, device, class, subclass and
+     * protocol ID.
+     * \endif
+     */
+    int vendor_id;
+    int device_id;
+    int class_id;
+    int subclass_id;
+    int protocol_id;
+
+    /**
+     * \if german
+     *
+     * Setzt das USB-Geraet zurueck (kann sowohl vom HCD als auch vom Hub
+     * driver ausgefuehrt werden)
+     *
+     * @param usb_device Das Geraet
+     *
+     * \elseif english
+     *
+     * Resets the USB device (may be executed either by the HCD or the hub
+     * driver)
+     *
+     * @param usb_device The device
+     *
+     * \endif
+     */
+    void (*reset)(struct cdi_usb_device* usb_device);
+
+    /**
+     * \if german
+     * Ziemlich lowlevelig. Gehoert das hier wirklich rein?
+     * \elseif english
+     * Very low level. Does it really fit in here?
+     * \endif
+     */
+
+    /**
+     * \if german
+     * Im einzelnen sind das: Pipe fuer Endpoint 0
+     * \elseif english
+     * In particular these things are: Pipe for endpoint 0
+     * \endif
+     */
+    struct cdi_usb_pipe* ep0;
+
+    /// Device descriptor
+    void* device_desc;
+
+    /// Configuration descriptor
+    void* config_desc;
+
+    /// Interface descriptor
+    struct cdi_usb_interface* interface_desc;
+
+    /// Class descriptor
+    void* class_desc;
+};
+
+enum cdi_usb_toggle {
+    /**
+     * \if german
+     * Das Toggle nehmen, das jetzt dran ist
+     * \elseif english
+     * Use the toggle to be used right now
+     * \endif
+     */
+    TOGGLE_UNSPECIFIC = 0,
+
+    /**
+     * \if german
+     * Geloeschtes Togglebit erzwingen
+     * \elseif english
+     * Force unset toggle bit
+     * \endif
+     */
+    TOGGLE_0 = 1,
+
+    /**
+     * \if german
+     * Gesetztes Togglebit erzwingen
+     * \elseif english
+     * Force set toggle bit
+     * \endif
+     */
+    TOGGLE_1 = 2
+};
+
+struct cdi_usb_endpoint {
+    /// sizeof(struct cdi_usb_endpoint)
+    uint8_t length;
+
+    /// 5
+    uint8_t descriptor_type;
+
+    /**
+     * \if german
+     * Nummer des Endpoints
+     * \elseif english
+     * Endpoint's number
+     * \endif
+     */
+    uint8_t endpoint_address;
+
+    /**
+     * \if german
+     * Eigenschaften (IN/OUT, Bulk/Interrupt/..., ...)
+     * \elseif english
+     * Attributes (IN/OUT, bulk/interrupt/..., ...)
+     * \endif
+     */
+    uint8_t attributes;
+
+    /**
+     * \if german
+     * Maximale Paketgroesse in Bytes
+     * \elseif english
+     * Maximum packet size in bytes
+     * \endif
+     */
+    uint16_t max_packet_size;
+
+    /// ???
+    uint8_t interval;
+} __attribute__((packed));
+
+struct cdi_usb_interface {
+    /// sizeof(struct cdi_usb_interface)
+    uint8_t length;
+
+    /// 4
+    uint8_t descriptor_type;
+
+    /**
+     * \if german
+     * Nummer des Interface
+     * \elseif english
+     * Interface's number
+     * \endif
+     */
+    uint8_t interface_number;
+
+    /// ???
+    uint8_t alternate_setting;
+
+    /**
+     * \if german
+     * Anzahl der Endpoints fuer dieses Interface
+     * \elseif english
+     * Number of endpoints for this interface
+     * \endif
+     */
+    uint8_t num_endpoints;
+
+    /**
+     * \if german
+     * Class-ID (bei Composite Devices)
+     * \elseif english
+     * Class ID (used with composite devices)
+     * \endif
+     */
+    uint8_t interface_class;
+
+    /// Subclass-ID
+    uint8_t interface_subclass;
+
+    /// Protocol-ID
+    uint8_t interface_protocol;
+
+    /**
+     * \if german
+     * String-Index, der das Interface beschreibt
+     * \elseif english
+     * String index describing the interface
+     * \endif
+     */
+    uint8_t iInterface;
+} __attribute__((packed));
+
+/**
+ * \if german
+ * Beschreibt eine Pipe
+ * \elseif english
+ * Describes a pipe
+ * \endif
+ */
+struct cdi_usb_pipe {
+    /**
+     * \if german
+     * Ziel
+     * \elseif english
+     * Destination
+     * \endif
+     */
+    struct cdi_usb_device* device;
+
+    /**
+     * \if german
+     * Ein Pointer auf eine den Endpoint beschreibende Struktur
+     * TODO Das ist eigentlich auch sehr lowlevelig.
+     * \elseif english
+     * A pointer to a structure describing the endpoint
+     * TODO This is on a very low level, too.
+     */
+    struct cdi_usb_endpoint* endpoint;
+
+    /// Data-Toggle
+    int data_toggle;
+};
+
+/**
+ * \if german
+ * Beschreibt ein USB-Paket
+ * \elseif english
+ * Describes a USB packet
+ * \endif
+ */
+struct cdi_usb_packet {
+    /**
+     * \if german
+     * Die gewuenschte Pipe
+     * \elseif english
+     * The desired pipe
+     * \endif
+     */
+    struct cdi_usb_pipe* pipe;
+
+    /**
+     * \if german
+     * Der Typ des Pakets (PACKET_IN, PACKET_OUT, PACKET_SETUP)
+     * \elseif english
+     * Type of packet (PACKET_IN, PACKET_OUT, PACKET_SETUP)
+     * \endif
+     */
+    cdi_usb_packet_type_t type;
+
+    /**
+     * \if german
+     * Zeiger auf den Datenpuffer
+     * \elseif english
+     * Pointer to the data buffer
+     * \endif
+     */
+    void* data;
+
+    /**
+     * \if german
+     * Die Laenge des Puffers
+     * \elseif english
+     * The buffer's length
+     * \endif
+     */
+    size_t length;
+
+    /**
+     * \if german
+     * Fehlertyp (oder USB_NO_ERROR)
+     * \elseif english
+     * Error type (or USB_NO_ERROR)
+     * \endif
+     */
+    cdi_usb_status_t condition;
+
+    /**
+     * \if german
+     * Bestimmtes Data-Toggle benuten
+     * \elseif english
+     * Use specific data toggle
+     * \endif
+     */
+    enum cdi_usb_toggle use_toggle;
+};
+
+typedef enum {
+    /**
+     * \if german
+     * Host -> Geraet
+     * \elseif english
+     * Host -> device
+     * \endif
+     */
+    CDI_USB_CONTROL_OUT = 0x00,
+
+    /**
+     * \if german
+     * Geraet -> Host
+     * \elseif english
+     * Device -> host
+     * \endif
+     */
+    CDI_USB_CONTROL_IN = 0x80
+} cdi_usb_control_direction_t;
+
+typedef enum {
+    /**
+     * \if german
+     * Standard-Request
+     * \elseif english
+     * Standard request
+     * \endif
+     */
+    CDI_USB_CONTROL_RQ_STANDARD = 0x00,
+
+    /**
+     * \if german
+     * Klassenspezifischer Request
+     * \elseif english
+     * Class specific request
+     * \endif
+     */
+    CDI_USB_CONTROL_RQ_CLASS = 0x20,
+
+    /**
+     * \if german
+     * Herstellerspezifischer Request
+     * \elseif english
+     * Vendor specific request
+     * \endif
+     */
+    CDI_USB_CONTROL_RQ_VENDOR = 0x40
+} cdi_usb_control_request_type_t;
+
+typedef enum {
+    /**
+     * \if german
+     * Empfaenger: Geraet
+     * \elseif english
+     * Recipient: device
+     * \endif
+     */
+    CDI_USB_CONTROL_REC_DEVICE = 0x00,
+
+    /**
+     * \if german
+     * Empfaenger: Interface
+     * \elseif english
+     * Recipient: interface
+     * \endif
+     */
+    CDI_USB_CONTROL_REC_INTERFACE = 0x01,
+
+    /**
+     * \if german
+     * Empfaenger: Endpoint
+     * \elseif english
+     * Recipient: endpoint
+     * \endif
+     */
+    CDI_USB_CONTROL_REC_ENDPOINT = 0x02,
+
+    /**
+     * \if german
+     * Empfaenger ist jemand anderes
+     * \elseif english
+     * Recipient is another one
+     * \endif
+     */
+    CDI_USB_CONTROL_REC_OTHER = 0x03
+} cdi_usb_control_recipient_t;
+
+struct cdi_usb_control_transfer {
+    /**
+     * \if german
+     * Wenn Daten zum Geraet gesendet werden sollen, dann ist hier der
+     * Speicherbereich anzugeben
+     * \elseif english
+     * If data has to be sent to the device, then the memory buffer has to be
+     * given here
+     * \endif
+     */
+    void* buffer;
+
+    /**
+     * \if german
+     * Laenge der erwarteten bzw. zu sendenden Daten
+     * \elseif english
+     * Length of the expected data respectively the data to be sent
+     * \endif
+     */
+    size_t length;
+
+    /**
+     * \if german
+     * Richtung
+     * \elseif english
+     * Direction
+     * \endif
+     */
+    cdi_usb_control_direction_t direction;
+
+    /**
+     * \if german
+     * Art des Requests (Standardrequest, klassenspezifisch,
+     * herstellerspezifisch)
+     * \elseif english
+     * Request type (standard request, class specific, vendor specific)
+     * \endif
+     */
+    cdi_usb_control_request_type_t rtype;
+
+    /**
+     * \if german
+     * Ziel (Device, Interface, Endpoint, anderes)
+     * \elseif english
+     * Recipient (device, interface, endpoint, other)
+     * \endif
+     */
+    cdi_usb_control_recipient_t recipient;
+
+    /**
+     * \if german
+     * Requestcode (Je nach rtype und recipient)
+     * \elseif english
+     * Request code (specific to rtype and recipient)
+     * \endif
+     */
+    int request;
+
+    /**
+     * \if german
+     * Ein zu sendender Wert
+     * \elseif english
+     * A value to be sent
+     * \endif
+     */
+    int value;
+
+    /**
+     * \if german
+     * Ein zu sendender Index
+     * \elseif english
+     * An index to be sent
+     * \endif
+     */
+    int index;
+};
+
+#include "cdi/usb-hcd.h"
+
+struct cdi_usb_driver {
+    struct cdi_driver drv;
+
+    /**
+     * \if german
+     * Unterstuetzte Geschwindigkeiten
+     * \elseif english
+     * Supported speeds
+     * \endif
+     */
+    cdi_usb_speed_t speeds;
+
+    /**
+     * \if german
+     *
+     * Enumeriert ein USB-Geraet
+     *
+     * @param device Das zu enumerierende Geraet
+     *
+     * \elseif english
+     *
+     * Enumerates a USB device
+     *
+     * @param device The device to be enumerated
+     *
+     * \endif
+     */
+    void (*enumerate_device)(struct cdi_usb_device* device);
+
+    /**
+     * \if german
+     *
+     * Sendet USB-Pakete
+     *
+     * @param packets Array zu sendender Pakete
+     * @param num_packets Anzahl der Pakete
+     *
+     * @return Gibt den Status an (z. B. USB_NO_ERROR fuer keinen Fehler)
+     *
+     * \elseif english
+     *
+     * Sends USB packets
+     *
+     * @param packets Array of packets to be sent
+     * @param num_packets Number of packets
+     *
+     * @return Returns the status (i. e. USB_NO_ERROR to indicate no error)
+     *
+     * \endif
+     */
+    cdi_usb_status_t (*send_packets)(struct cdi_usb_packet* packets,
+        size_t num_packets);
+
+    /**
+     * \if german
+     *
+     * Fuehrt einen Control-Transfer durch
+     *
+     * @param device Das Zielgeraet
+     * @param transfer Eine den Transfer beschreibende Struktur
+     *
+     * @return Gibt einen Puffer zurueck, der die ausgetauschen Daten enthaelt,
+     *         im Fehlerfall hingegen NULL, gab es keine Daten, dann
+     *         (void *)0xFFFFFFFF.
+     *
+     * \elseif english
+     *
+     * Performs a control transfer
+     *
+     * @param device The destination device
+     * @param transfer A structure describing this transfer
+     *
+     * @return Returns a buffer containing the transferred data, in case of an
+     *         error the value is NULL and if there was no data, it returns
+     *         (void *)0xFFFFFFFF.
+     *
+     * \endif
+     */
+    void* (*do_control)(struct cdi_usb_device* device,
+        struct cdi_usb_control_transfer* transfer);
+};
+
+/**
+ * \if german
+ * Ein USB-Geraetetreiber uebergibt dem Betriebssystem eine solche Struktur,
+ * damit ein bestimmter Handler beim Auffinden solcher Geraete aufgerufen wird.
+ * Jedes Feld enthaelt entweder eine Zahl, die mit der des Geraetes
+ * uebereinstimmen muss oder -1, dann wird dieses Feld ignoriert.
+ * \elseif english
+ * A USB device driver passes this structure to the OS so that a specific
+ * handler is called upon the detection of such a device. Each field either
+ * contains a number that has to be equal to that of the driver or -1, so that
+ * the field will be ignored.
+ * \endif
+ */
+struct cdi_usb_device_pattern {
+    int vendor_id;
+    int device_id;
+    int class_id;
+    int subclass_id;
+    int protocol_id;
+
+    /**
+     * \if german
+     *
+     * Ueberprueft das angegebene USB-Geraet
+     *
+     * @param device Das Geraet
+     *
+     * @return 0, wenn dieses Geraet nicht vom Treiber verarbeitet werden kann,
+     *         sonst 1
+     *
+     * \elseif english
+     *
+     * Checks the given USB device
+     *
+     * @param device The device
+     *
+     * @return 0 if the driver is unable to handle this device, else 1
+     *
+     * \endif
+     */
+    int (*take_usb_device)(struct cdi_usb_device* device);
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \if german
+ *
+ * Entfernt einen USB-Bustreiber
+ *
+ * @param driver Der Treiber
+ *
+ * \elseif english
+ *
+ * Removes a USB bus driver
+ *
+ * @param driver The driver
+ *
+ * \endif
+ */
+void cdi_usb_driver_destroy(struct cdi_usb_driver* driver);
+
+/**
+ * \if german
+ *
+ * Initialisiert einen USB-Bustreiber
+ *
+ * @param driver Der Treiber
+ *
+ * \elseif english
+ *
+ * Initializes a USB bus driver
+ *
+ * @param driver The driver
+ *
+ * \endif
+ */
+void cdi_usb_driver_init(struct cdi_usb_driver* driver);
+
+/**
+ * \if german
+ *
+ * Registriert einen USB-Bustreiber beim System
+ *
+ * @param driver Der Treiber
+ *
+ * \elseif english
+ *
+ * Registers a USB bus driver at the OS
+ *
+ * @param driver The driver
+ *
+ * \endif
+ */
+void cdi_usb_driver_register(struct cdi_usb_driver* driver);
+
+/**
+ * \if german
+ *
+ * Registriert ein gefundenes USB-Geraet beim Betriebssystem - diese Funktion
+ * wird z. B. vom Host-Controller-Treiber nach einem Aufruf von find_devices
+ * fuer jedes gefundene Geraet aufgerufen
+ *
+ * @param device Das zu registrierende Geraet
+ *
+ * \elseif english
+ *
+ * Registers a detected USB device at the OS - this function is called i. e. by
+ * the host controller driver after a find_devices call for every device found
+ *
+ * @param device The device to be registered
+ */
+void cdi_usb_device_init(struct cdi_usb_device* device);
+
+/**
+ * \if german
+ *
+ * Registriert ein Geraetemuster
+ *
+ * @param pattern Das Muster
+ *
+ * \elseif english
+ *
+ * Registers a device pattern
+ *
+ * @param pattern The pattern
+ *
+ * \endif
+ */
+void cdi_usb_register_device_pattern(struct cdi_usb_device_pattern* pattern);
+
+#ifdef __cplusplus
+} //extern "C"
+#endif
+
+#endif
-- 
1.6.0.2