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/*
* Copyright (c) 2025 Ian Marco Moffett and L5 engineers
* 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.
* 3. Neither the name of the project nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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 OWNER 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.
*/
#ifndef _XHCIREGS_H_
#define _XHCIREGS_H_ 1
#include <sys/types.h>
#include <sys/cdefs.h>
/*
* XHCI capability registers
*
* See section 5.3 of the xHCI spec
*/
struct __packed xhci_capregs {
volatile uint8_t caplength;
volatile uint8_t reserved;
volatile uint16_t hciversion;
volatile uint32_t hcsparams1;
volatile uint32_t hcsparams2;
volatile uint32_t hcsparams3;
volatile uint32_t hccparams1;
volatile uint32_t dboff;
volatile uint32_t rtsoff;
volatile uint32_t hccparams2;
};
/*
* XHCI operational registers
*
* See section 5.4 of the xHCI spec
*/
struct __packed xhci_opregs {
volatile uint32_t usbcmd;
volatile uint32_t usbsts;
volatile uint32_t pagesize;
volatile uint32_t reserved;
volatile uint32_t dnctrl;
volatile uint32_t crcr;
volatile uint32_t reserved1;
volatile uint32_t dcbaap;
volatile uint32_t config;
volatile uint32_t reserved2;
};
#endif /* !_XHCIREGS_H_ */
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