dwc2_root.cpp File Reference

#include "dwc2.h"
#include "dwc2_reg.h"
#include <Mm/pmmngr.h>
#include <Drivers/uart.h>
#include <string.h>
#include <Hal/AA64/aa64lowlevel.h>
#include <Hal/AA64/aa64cpu.h>
#include <_null.h>
#include "dwc2_usbdev.h"
#include "usb_desc.h"

Include dependency graph for dwc2_root.cpp:

Macros
#define	PORT_STATUS_CONNECTION   (1<<0)
#define	PORT_CHANGE_CONNECTION   (1<<0)
#define	PORT_CHANGE_ENABLE   (1<<1)
#define	PORT_CHANGE_SUSPEND   (1<<2)
#define	PORT_CHANGE_OVERCURRENT   (1<<3)
#define	PORT_CHANGE_RESET   (1<<4)

Functions
void	usb_hub_get_port_status (struct dwc2_core_regs *regs, uint8_t port, void *dma, uint8_t address, uint8_t speed)
void	dwc2_enumerate_root_device (struct dwc2_core_regs *regs)
void	root_hub_transfer_int (dwc2_core_regs *regs, uint8_t pid)
void *	root_hub_get_interrupt_buffer ()
void	root_hub_handle_port_change (dwc2_core_regs *regs, uint8_t port)

Variables
void *	intb
uint8_t	port_changed

Detailed Description

BSD 2-Clause License

Copyright (c) 2022-2025, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. 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.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.

Macro Definition Documentation

PORT_CHANGE_CONNECTION

#define PORT_CHANGE_CONNECTION   (1<<0)

PORT_CHANGE_ENABLE

#define PORT_CHANGE_ENABLE   (1<<1)

PORT_CHANGE_OVERCURRENT

#define PORT_CHANGE_OVERCURRENT   (1<<3)

PORT_CHANGE_RESET

#define PORT_CHANGE_RESET   (1<<4)

PORT_CHANGE_SUSPEND

#define PORT_CHANGE_SUSPEND   (1<<2)

PORT_STATUS_CONNECTION

#define PORT_STATUS_CONNECTION   (1<<0)

Function Documentation

dwc2_enumerate_root_device()

void dwc2_enumerate_root_device

(

struct dwc2_core_regs *

regs

)

dwc2_enumerate_root_device – enumerate the root device

Parameters

regs	– pointer to system regs

‍** no strings for root hub, iss iss bom laaj pali no ??**‍/

‍** next set address, and configure the hub, because devices are waiting to get powered in *‍/

• now get the config descriptor*‍/

‍** PORT power up **‍/

root_hub_get_interrupt_buffer()

void * root_hub_get_interrupt_buffer

(

)

root_hub_handle_port_change()

void root_hub_handle_port_change	(	dwc2_core_regs *	regs,
		uint8_t	port
	)

root_hub_transfer_int()

void root_hub_transfer_int	(	dwc2_core_regs *	regs,
		uint8_t	pid
	)

usb_hub_get_port_status()

void usb_hub_get_port_status	(	struct dwc2_core_regs *	regs,
		uint8_t	port,
		void *	dma,
		uint8_t	address,
		uint8_t	speed
	)

Variable Documentation

intb

void* intb

port_changed

uint8_t port_changed