hub.h

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/*
 * Copyright (c) 2010 Matus Dekanek
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef LIBUSB_CLASS_HUB_H_
#define LIBUSB_CLASS_HUB_H_

#include <sys/types.h>

typedef enum {
        USB_HUB_FEATURE_HUB_LOCAL_POWER = 0,
        USB_HUB_FEATURE_HUB_OVER_CURRENT = 1,
        USB_HUB_FEATURE_C_HUB_LOCAL_POWER = 0,
        USB_HUB_FEATURE_C_HUB_OVER_CURRENT = 1,
        USB_HUB_FEATURE_PORT_CONNECTION = 0,
        USB_HUB_FEATURE_PORT_ENABLE = 1,
        USB_HUB_FEATURE_PORT_SUSPEND = 2,
        USB_HUB_FEATURE_PORT_OVER_CURRENT = 3,
        USB_HUB_FEATURE_PORT_RESET = 4,
        USB_HUB_FEATURE_PORT_POWER = 8,
        USB_HUB_FEATURE_PORT_LOW_SPEED = 9,
        USB_HUB_FEATURE_C_PORT_CONNECTION = 16,
        USB_HUB_FEATURE_C_PORT_ENABLE = 17,
        USB_HUB_FEATURE_C_PORT_SUSPEND = 18,
        USB_HUB_FEATURE_C_PORT_OVER_CURRENT = 19,
        USB_HUB_FEATURE_C_PORT_RESET = 20,
        /* USB_HUB_FEATURE_ = , */
} usb_hub_class_feature_t;


typedef struct {
        uint8_t length;
        uint8_t descriptor_type;
        uint8_t port_count;
        uint16_t characteristics;
        uint8_t power_good_time;
        uint8_t max_current;
} __attribute__ ((packed)) usb_hub_descriptor_header_t;

typedef struct usb_hub_descriptor_type {
    //uint8_t bDescLength;

    //uint8_t bDescriptorType;

    uint8_t ports_count;

    uint16_t hub_characteristics;

    uint8_t pwr_on_2_good_time;

    uint8_t current_requirement;

    uint8_t devices_removable[32];

    //uint8_t * port_pwr_ctrl_mask;
} usb_hub_descriptor_t;



typedef enum {
    USB_HUB_REQ_TYPE_CLEAR_HUB_FEATURE = 0x20,
    USB_HUB_REQ_TYPE_CLEAR_PORT_FEATURE = 0x23,
    USB_HUB_REQ_TYPE_GET_STATE = 0xA3,
    USB_HUB_REQ_TYPE_GET_DESCRIPTOR = 0xA0,
    USB_HUB_REQ_TYPE_GET_HUB_STATUS = 0xA0,
    USB_HUB_REQ_TYPE_GET_PORT_STATUS = 0xA3,
    USB_HUB_REQ_TYPE_SET_DESCRIPTOR = 0x20,
    USB_HUB_REQ_TYPE_SET_HUB_FEATURE = 0x20,
    USB_HUB_REQ_TYPE_SET_PORT_FEATURE = 0x23
} usb_hub_bm_request_type_t;


typedef enum {
    USB_HUB_REQUEST_GET_STATUS = 0,
    USB_HUB_REQUEST_CLEAR_FEATURE = 1,
    USB_HUB_REQUEST_GET_STATE = 2,
    USB_HUB_REQUEST_SET_FEATURE = 3,
    USB_HUB_REQUEST_GET_DESCRIPTOR = 6,
    USB_HUB_REQUEST_SET_DESCRIPTOR = 7
} usb_hub_request_t;

extern size_t USB_HUB_MAX_DESCRIPTOR_SIZE;







#endif

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