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/**
* @file usbh_core.h
*
* Copyright (c) 2022 sakumisu
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
*/
#ifndef _USBH_CORE_H
#define _USBH_CORE_H
#include <stdbool.h>
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include "usb_config.h"
#include "usb_util.h"
#include "usb_errno.h"
#include "usb_def.h"
#include "usb_list.h"
#include "usb_mem.h"
#include "usb_log.h"
#include "usb_hc.h"
#include "usb_osal.h"
#include "usb_workq.h"
#include "usbh_hub.h"
#ifdef __cplusplus
extern "C" {
#endif
#define USBH_ROOT_HUB_INDEX 1 /* roothub index*/
#define USBH_EX_HUB_INDEX 2 /* external hub index */
#define USBH_HUB_PORT_START_INDEX 1 /* first hub port index */
#ifdef CONFIG_USBHOST_HUB
#define ROOTHUB(hport) ((hport)->parent == NULL)
#else
#define ROOTHUB(hport) true
#endif
#define USB_CLASS_MATCH_VENDOR 0x0001
#define USB_CLASS_MATCH_PRODUCT 0x0002
#define USB_CLASS_MATCH_INTF_CLASS 0x0004
#define USB_CLASS_MATCH_INTF_SUBCLASS 0x0008
#define USB_CLASS_MATCH_INTF_PROTOCOL 0x0010
#define CLASS_CONNECT(hport, i) ((hport)->config.intf[i].class_driver->connect(hport, i))
#define CLASS_DISCONNECT(hport, i) ((hport)->config.intf[i].class_driver->disconnect(hport, i))
#define CLASS_INFO_DEFINE __attribute__((section("usbh_class_info"))) __USED __ALIGNED(1)
enum usbh_event_type {
USBH_EVENT_CONNECTED = (1 << 0),
USBH_EVENT_DISCONNECTED = (1 << 1),
};
struct usbh_class_info {
uint8_t match_flags;/* Used for product specific matches; range is inclusive */
uint8_t class; /* Base device class code */
uint8_t subclass; /* Sub-class, depends on base class. Eg. */
uint8_t protocol; /* Protocol, depends on base class. Eg. */
uint16_t vid; /* Vendor ID (for vendor/product specific devices) */
uint16_t pid; /* Product ID (for vendor/product specific devices) */
const struct usbh_class_driver *class_driver;
};
struct usbh_hubport;
struct usbh_class_driver {
const char *driver_name;
int (*connect)(struct usbh_hubport *hport, uint8_t intf);
int (*disconnect)(struct usbh_hubport *hport, uint8_t intf);
};
typedef struct usbh_endpoint {
struct usb_endpoint_descriptor ep_desc;
} usbh_endpoint_t;
typedef struct usbh_interface {
struct usb_interface_descriptor intf_desc;
struct usbh_endpoint ep[CONFIG_USBHOST_EP_NUM];
char devname[CONFIG_USBHOST_DEV_NAMELEN];
struct usbh_class_driver *class_driver;
void *priv;
} usbh_interface_t;
typedef struct usbh_configuration {
struct usb_configuration_descriptor config_desc;
struct usbh_interface intf[CONFIG_USBHOST_INTF_NUM];
} usbh_configuration_t;
typedef struct usbh_hubport {
bool connected; /* True: device connected; false: disconnected */
bool port_change; /* True: port changed; false: port do not change */
uint8_t port; /* Hub port index */
uint8_t dev_addr; /* device address */
uint8_t speed; /* device speed */
usbh_epinfo_t ep0; /* control ep info */
struct usb_device_descriptor device_desc;
struct usbh_configuration config;
#if 0
uint8_t* config_desc;
#endif
struct usb_setup_packet *setup;
struct usbh_hub *parent; /*if NULL, is roothub*/
} usbh_hubport_t;
typedef struct usbh_hub {
usb_slist_t list;
uint8_t index; /* Hub index */
uint8_t nports; /* Hub port number */
uint8_t dev_addr; /* Hub device address */
usbh_epinfo_t intin;
uint8_t *int_buffer;
struct hub_port_status *port_status;
struct usb_hub_descriptor hub_desc;
struct usbh_hubport child[CONFIG_USBHOST_EHPORTS];
struct usbh_hubport *parent; /* Parent hub port */
struct usb_work work;
} usbh_hub_t;
void usbh_event_notify_handler(uint8_t event, uint8_t rhport);
int usbh_initialize(void);
int lsusb(int argc, char **argv);
struct usbh_hubport *usbh_find_hubport(uint8_t dev_addr);
void *usbh_find_class_instance(const char *devname);
#ifdef __cplusplus
}
#endif
#endif
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