718cf2ccb9
Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts.
456 lines
16 KiB
C
456 lines
16 KiB
C
/* $FreeBSD$ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-NetBSD
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*
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net).
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _EHCI_H_
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#define _EHCI_H_
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#define EHCI_MAX_DEVICES MIN(USB_MAX_DEVICES, 128)
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/*
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* Alignment NOTE: structures must be aligned so that the hardware can index
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* without performing addition.
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*/
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#define EHCI_FRAMELIST_ALIGN 0x1000 /* bytes */
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#define EHCI_FRAMELIST_COUNT 1024 /* units */
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#define EHCI_VIRTUAL_FRAMELIST_COUNT 128 /* units */
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#if ((8*EHCI_VIRTUAL_FRAMELIST_COUNT) < USB_MAX_HS_ISOC_FRAMES_PER_XFER)
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#error "maximum number of high-speed isochronous frames is higher than supported!"
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#endif
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#if (EHCI_VIRTUAL_FRAMELIST_COUNT < USB_MAX_FS_ISOC_FRAMES_PER_XFER)
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#error "maximum number of full-speed isochronous frames is higher than supported!"
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#endif
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/* Link types */
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#define EHCI_LINK_TERMINATE 0x00000001
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#define EHCI_LINK_TYPE(x) ((x) & 0x00000006)
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#define EHCI_LINK_ITD 0x0
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#define EHCI_LINK_QH 0x2
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#define EHCI_LINK_SITD 0x4
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#define EHCI_LINK_FSTN 0x6
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#define EHCI_LINK_ADDR(x) ((x) &~ 0x1f)
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/* Structures alignment (bytes) */
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#define EHCI_ITD_ALIGN 128
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#define EHCI_SITD_ALIGN 64
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#define EHCI_QTD_ALIGN 64
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#define EHCI_QH_ALIGN 128
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#define EHCI_FSTN_ALIGN 32
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/* Data buffers are divided into one or more pages */
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#define EHCI_PAGE_SIZE 0x1000
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#if ((USB_PAGE_SIZE < EHCI_PAGE_SIZE) || (EHCI_PAGE_SIZE == 0) || \
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(USB_PAGE_SIZE < EHCI_ITD_ALIGN) || (EHCI_ITD_ALIGN == 0) || \
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(USB_PAGE_SIZE < EHCI_SITD_ALIGN) || (EHCI_SITD_ALIGN == 0) || \
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(USB_PAGE_SIZE < EHCI_QTD_ALIGN) || (EHCI_QTD_ALIGN == 0) || \
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(USB_PAGE_SIZE < EHCI_QH_ALIGN) || (EHCI_QH_ALIGN == 0) || \
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(USB_PAGE_SIZE < EHCI_FSTN_ALIGN) || (EHCI_FSTN_ALIGN == 0))
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#error "Invalid USB page size!"
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#endif
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/*
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* Isochronous Transfer Descriptor. This descriptor is used for high speed
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* transfers only.
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*/
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struct ehci_itd {
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volatile uint32_t itd_next;
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volatile uint32_t itd_status[8];
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#define EHCI_ITD_SET_LEN(x) ((x) << 16)
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#define EHCI_ITD_GET_LEN(x) (((x) >> 16) & 0xFFF)
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#define EHCI_ITD_IOC (1 << 15)
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#define EHCI_ITD_SET_PG(x) ((x) << 12)
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#define EHCI_ITD_GET_PG(x) (((x) >> 12) & 0x7)
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#define EHCI_ITD_SET_OFFS(x) (x)
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#define EHCI_ITD_GET_OFFS(x) (((x) >> 0) & 0xFFF)
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#define EHCI_ITD_ACTIVE (1U << 31)
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#define EHCI_ITD_DATABUFERR (1 << 30)
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#define EHCI_ITD_BABBLE (1 << 29)
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#define EHCI_ITD_XACTERR (1 << 28)
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volatile uint32_t itd_bp[7];
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/* itd_bp[0] */
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#define EHCI_ITD_SET_ADDR(x) (x)
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#define EHCI_ITD_GET_ADDR(x) (((x) >> 0) & 0x7F)
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#define EHCI_ITD_SET_ENDPT(x) ((x) << 8)
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#define EHCI_ITD_GET_ENDPT(x) (((x) >> 8) & 0xF)
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/* itd_bp[1] */
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#define EHCI_ITD_SET_DIR_IN (1 << 11)
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#define EHCI_ITD_SET_DIR_OUT (0 << 11)
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#define EHCI_ITD_SET_MPL(x) (x)
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#define EHCI_ITD_GET_MPL(x) (((x) >> 0) & 0x7FF)
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volatile uint32_t itd_bp_hi[7];
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/*
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* Extra information needed:
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*/
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uint32_t itd_self;
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struct ehci_itd *next;
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struct ehci_itd *prev;
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struct ehci_itd *obj_next;
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struct usb_page_cache *page_cache;
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} __aligned(EHCI_ITD_ALIGN);
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typedef struct ehci_itd ehci_itd_t;
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/*
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* Split Transaction Isochronous Transfer Descriptor. This descriptor is used
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* for full speed transfers only.
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*/
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struct ehci_sitd {
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volatile uint32_t sitd_next;
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volatile uint32_t sitd_portaddr;
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#define EHCI_SITD_SET_DIR_OUT (0 << 31)
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#define EHCI_SITD_SET_DIR_IN (1U << 31)
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#define EHCI_SITD_SET_ADDR(x) (x)
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#define EHCI_SITD_GET_ADDR(x) ((x) & 0x7F)
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#define EHCI_SITD_SET_ENDPT(x) ((x) << 8)
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#define EHCI_SITD_GET_ENDPT(x) (((x) >> 8) & 0xF)
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#define EHCI_SITD_GET_DIR(x) ((x) >> 31)
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#define EHCI_SITD_SET_PORT(x) ((x) << 24)
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#define EHCI_SITD_GET_PORT(x) (((x) >> 24) & 0x7F)
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#define EHCI_SITD_SET_HUBA(x) ((x) << 16)
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#define EHCI_SITD_GET_HUBA(x) (((x) >> 16) & 0x7F)
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volatile uint32_t sitd_mask;
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#define EHCI_SITD_SET_SMASK(x) (x)
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#define EHCI_SITD_SET_CMASK(x) ((x) << 8)
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volatile uint32_t sitd_status;
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#define EHCI_SITD_COMPLETE_SPLIT (1<<1)
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#define EHCI_SITD_START_SPLIT (0<<1)
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#define EHCI_SITD_MISSED_MICRO_FRAME (1<<2)
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#define EHCI_SITD_XACTERR (1<<3)
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#define EHCI_SITD_BABBLE (1<<4)
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#define EHCI_SITD_DATABUFERR (1<<5)
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#define EHCI_SITD_ERROR (1<<6)
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#define EHCI_SITD_ACTIVE (1<<7)
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#define EHCI_SITD_IOC (1<<31)
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#define EHCI_SITD_SET_LEN(len) ((len)<<16)
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#define EHCI_SITD_GET_LEN(x) (((x)>>16) & 0x3FF)
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volatile uint32_t sitd_bp[2];
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volatile uint32_t sitd_back;
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volatile uint32_t sitd_bp_hi[2];
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/*
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* Extra information needed:
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*/
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uint32_t sitd_self;
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struct ehci_sitd *next;
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struct ehci_sitd *prev;
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struct ehci_sitd *obj_next;
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struct usb_page_cache *page_cache;
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} __aligned(EHCI_SITD_ALIGN);
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typedef struct ehci_sitd ehci_sitd_t;
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/* Queue Element Transfer Descriptor */
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struct ehci_qtd {
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volatile uint32_t qtd_next;
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volatile uint32_t qtd_altnext;
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volatile uint32_t qtd_status;
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#define EHCI_QTD_GET_STATUS(x) (((x) >> 0) & 0xff)
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#define EHCI_QTD_SET_STATUS(x) ((x) << 0)
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#define EHCI_QTD_ACTIVE 0x80
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#define EHCI_QTD_HALTED 0x40
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#define EHCI_QTD_BUFERR 0x20
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#define EHCI_QTD_BABBLE 0x10
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#define EHCI_QTD_XACTERR 0x08
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#define EHCI_QTD_MISSEDMICRO 0x04
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#define EHCI_QTD_SPLITXSTATE 0x02
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#define EHCI_QTD_PINGSTATE 0x01
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#define EHCI_QTD_STATERRS 0x74
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#define EHCI_QTD_GET_PID(x) (((x) >> 8) & 0x3)
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#define EHCI_QTD_SET_PID(x) ((x) << 8)
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#define EHCI_QTD_PID_OUT 0x0
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#define EHCI_QTD_PID_IN 0x1
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#define EHCI_QTD_PID_SETUP 0x2
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#define EHCI_QTD_GET_CERR(x) (((x) >> 10) & 0x3)
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#define EHCI_QTD_SET_CERR(x) ((x) << 10)
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#define EHCI_QTD_GET_C_PAGE(x) (((x) >> 12) & 0x7)
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#define EHCI_QTD_SET_C_PAGE(x) ((x) << 12)
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#define EHCI_QTD_GET_IOC(x) (((x) >> 15) & 0x1)
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#define EHCI_QTD_IOC 0x00008000
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#define EHCI_QTD_GET_BYTES(x) (((x) >> 16) & 0x7fff)
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#define EHCI_QTD_SET_BYTES(x) ((x) << 16)
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#define EHCI_QTD_GET_TOGGLE(x) (((x) >> 31) & 0x1)
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#define EHCI_QTD_SET_TOGGLE(x) ((x) << 31)
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#define EHCI_QTD_TOGGLE_MASK 0x80000000
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#define EHCI_QTD_NBUFFERS 5
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#define EHCI_QTD_PAYLOAD_MAX ((EHCI_QTD_NBUFFERS-1)*EHCI_PAGE_SIZE)
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volatile uint32_t qtd_buffer[EHCI_QTD_NBUFFERS];
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volatile uint32_t qtd_buffer_hi[EHCI_QTD_NBUFFERS];
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/*
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* Extra information needed:
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*/
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struct ehci_qtd *alt_next;
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struct ehci_qtd *obj_next;
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struct usb_page_cache *page_cache;
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uint32_t qtd_self;
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uint16_t len;
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} __aligned(EHCI_QTD_ALIGN);
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typedef struct ehci_qtd ehci_qtd_t;
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/* Queue Head Sub Structure */
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struct ehci_qh_sub {
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volatile uint32_t qtd_next;
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volatile uint32_t qtd_altnext;
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volatile uint32_t qtd_status;
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volatile uint32_t qtd_buffer[EHCI_QTD_NBUFFERS];
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volatile uint32_t qtd_buffer_hi[EHCI_QTD_NBUFFERS];
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} __aligned(4);
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/* Queue Head */
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struct ehci_qh {
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volatile uint32_t qh_link;
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volatile uint32_t qh_endp;
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#define EHCI_QH_GET_ADDR(x) (((x) >> 0) & 0x7f) /* endpoint addr */
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#define EHCI_QH_SET_ADDR(x) (x)
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#define EHCI_QH_ADDRMASK 0x0000007f
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#define EHCI_QH_GET_INACT(x) (((x) >> 7) & 0x01) /* inactivate on next */
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#define EHCI_QH_INACT 0x00000080
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#define EHCI_QH_GET_ENDPT(x) (((x) >> 8) & 0x0f) /* endpoint no */
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#define EHCI_QH_SET_ENDPT(x) ((x) << 8)
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#define EHCI_QH_GET_EPS(x) (((x) >> 12) & 0x03) /* endpoint speed */
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#define EHCI_QH_SET_EPS(x) ((x) << 12)
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#define EHCI_QH_SPEED_FULL 0x0
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#define EHCI_QH_SPEED_LOW 0x1
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#define EHCI_QH_SPEED_HIGH 0x2
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#define EHCI_QH_GET_DTC(x) (((x) >> 14) & 0x01) /* data toggle control */
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#define EHCI_QH_DTC 0x00004000
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#define EHCI_QH_GET_HRECL(x) (((x) >> 15) & 0x01) /* head of reclamation */
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#define EHCI_QH_HRECL 0x00008000
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#define EHCI_QH_GET_MPL(x) (((x) >> 16) & 0x7ff) /* max packet len */
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#define EHCI_QH_SET_MPL(x) ((x) << 16)
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#define EHCI_QH_MPLMASK 0x07ff0000
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#define EHCI_QH_GET_CTL(x) (((x) >> 27) & 0x01) /* control endpoint */
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#define EHCI_QH_CTL 0x08000000
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#define EHCI_QH_GET_NRL(x) (((x) >> 28) & 0x0f) /* NAK reload */
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#define EHCI_QH_SET_NRL(x) ((x) << 28)
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volatile uint32_t qh_endphub;
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#define EHCI_QH_GET_SMASK(x) (((x) >> 0) & 0xff) /* intr sched mask */
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#define EHCI_QH_SET_SMASK(x) ((x) << 0)
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#define EHCI_QH_GET_CMASK(x) (((x) >> 8) & 0xff) /* split completion mask */
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#define EHCI_QH_SET_CMASK(x) ((x) << 8)
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#define EHCI_QH_GET_HUBA(x) (((x) >> 16) & 0x7f) /* hub address */
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#define EHCI_QH_SET_HUBA(x) ((x) << 16)
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#define EHCI_QH_GET_PORT(x) (((x) >> 23) & 0x7f) /* hub port */
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#define EHCI_QH_SET_PORT(x) ((x) << 23)
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#define EHCI_QH_GET_MULT(x) (((x) >> 30) & 0x03) /* pipe multiplier */
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#define EHCI_QH_SET_MULT(x) ((x) << 30)
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volatile uint32_t qh_curqtd;
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struct ehci_qh_sub qh_qtd;
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/*
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* Extra information needed:
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*/
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struct ehci_qh *next;
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struct ehci_qh *prev;
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struct ehci_qh *obj_next;
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struct usb_page_cache *page_cache;
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uint32_t qh_self;
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} __aligned(EHCI_QH_ALIGN);
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typedef struct ehci_qh ehci_qh_t;
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/* Periodic Frame Span Traversal Node */
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struct ehci_fstn {
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volatile uint32_t fstn_link;
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volatile uint32_t fstn_back;
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} __aligned(EHCI_FSTN_ALIGN);
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typedef struct ehci_fstn ehci_fstn_t;
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struct ehci_hw_softc {
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struct usb_page_cache pframes_pc;
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struct usb_page_cache terminate_pc;
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struct usb_page_cache async_start_pc;
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struct usb_page_cache intr_start_pc[EHCI_VIRTUAL_FRAMELIST_COUNT];
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struct usb_page_cache isoc_hs_start_pc[EHCI_VIRTUAL_FRAMELIST_COUNT];
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struct usb_page_cache isoc_fs_start_pc[EHCI_VIRTUAL_FRAMELIST_COUNT];
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struct usb_page pframes_pg;
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struct usb_page terminate_pg;
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struct usb_page async_start_pg;
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struct usb_page intr_start_pg[EHCI_VIRTUAL_FRAMELIST_COUNT];
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struct usb_page isoc_hs_start_pg[EHCI_VIRTUAL_FRAMELIST_COUNT];
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struct usb_page isoc_fs_start_pg[EHCI_VIRTUAL_FRAMELIST_COUNT];
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};
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struct ehci_config_desc {
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struct usb_config_descriptor confd;
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struct usb_interface_descriptor ifcd;
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struct usb_endpoint_descriptor endpd;
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} __packed;
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union ehci_hub_desc {
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struct usb_status stat;
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struct usb_port_status ps;
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struct usb_hub_descriptor hubd;
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uint8_t temp[128];
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};
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typedef struct ehci_softc {
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struct ehci_hw_softc sc_hw;
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struct usb_bus sc_bus; /* base device */
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struct usb_callout sc_tmo_pcd;
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struct usb_callout sc_tmo_poll;
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union ehci_hub_desc sc_hub_desc;
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struct usb_device *sc_devices[EHCI_MAX_DEVICES];
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struct resource *sc_io_res;
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struct resource *sc_irq_res;
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struct ehci_qh *sc_async_p_last;
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struct ehci_qh *sc_intr_p_last[EHCI_VIRTUAL_FRAMELIST_COUNT];
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struct ehci_sitd *sc_isoc_fs_p_last[EHCI_VIRTUAL_FRAMELIST_COUNT];
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struct ehci_itd *sc_isoc_hs_p_last[EHCI_VIRTUAL_FRAMELIST_COUNT];
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void *sc_intr_hdl;
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bus_size_t sc_io_size;
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bus_space_tag_t sc_io_tag;
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bus_space_handle_t sc_io_hdl;
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uint32_t sc_terminate_self; /* TD short packet termination pointer */
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uint32_t sc_eintrs;
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uint16_t sc_intr_stat[EHCI_VIRTUAL_FRAMELIST_COUNT];
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uint16_t sc_id_vendor; /* vendor ID for root hub */
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uint16_t sc_flags; /* chip specific flags */
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#define EHCI_SCFLG_NORESTERM 0x0004 /* don't terminate reset sequence */
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#define EHCI_SCFLG_BIGEDESC 0x0008 /* big-endian byte order descriptors */
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#define EHCI_SCFLG_TT 0x0020 /* transaction translator present */
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#define EHCI_SCFLG_LOSTINTRBUG 0x0040 /* workaround for VIA / ATI chipsets */
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#define EHCI_SCFLG_IAADBUG 0x0080 /* workaround for nVidia chipsets */
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#define EHCI_SCFLG_DONTRESET 0x0100 /* don't reset ctrl. in ehci_init() */
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#define EHCI_SCFLG_DONEINIT 0x1000 /* ehci_init() has been called. */
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uint8_t sc_offs; /* offset to operational registers */
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uint8_t sc_doorbell_disable; /* set on doorbell failure */
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uint8_t sc_noport;
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uint8_t sc_addr; /* device address */
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uint8_t sc_conf; /* device configuration */
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uint8_t sc_isreset;
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uint8_t sc_hub_idata[8];
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char sc_vendor[16]; /* vendor string for root hub */
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void (*sc_vendor_post_reset)(struct ehci_softc *sc);
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uint16_t (*sc_vendor_get_port_speed)(struct ehci_softc *sc,
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uint16_t index);
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} ehci_softc_t;
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#define EREAD1(sc, a) bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (a))
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#define EREAD2(sc, a) bus_space_read_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (a))
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#define EREAD4(sc, a) bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (a))
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#define EWRITE1(sc, a, x) \
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|
bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (a), (x))
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|
#define EWRITE2(sc, a, x) \
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|
bus_space_write_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (a), (x))
|
|
#define EWRITE4(sc, a, x) \
|
|
bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (a), (x))
|
|
#define EOREAD1(sc, a) \
|
|
bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a))
|
|
#define EOREAD2(sc, a) \
|
|
bus_space_read_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a))
|
|
#define EOREAD4(sc, a) \
|
|
bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a))
|
|
#define EOWRITE1(sc, a, x) \
|
|
bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a), (x))
|
|
#define EOWRITE2(sc, a, x) \
|
|
bus_space_write_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a), (x))
|
|
#define EOWRITE4(sc, a, x) \
|
|
bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a), (x))
|
|
|
|
#ifdef USB_EHCI_BIG_ENDIAN_DESC
|
|
/*
|
|
* Handle byte order conversion between host and ``host controller''.
|
|
* Typically the latter is little-endian but some controllers require
|
|
* big-endian in which case we may need to manually swap.
|
|
*/
|
|
static __inline uint32_t
|
|
htohc32(const struct ehci_softc *sc, const uint32_t v)
|
|
{
|
|
return sc->sc_flags & EHCI_SCFLG_BIGEDESC ? htobe32(v) : htole32(v);
|
|
}
|
|
|
|
static __inline uint16_t
|
|
htohc16(const struct ehci_softc *sc, const uint16_t v)
|
|
{
|
|
return sc->sc_flags & EHCI_SCFLG_BIGEDESC ? htobe16(v) : htole16(v);
|
|
}
|
|
|
|
static __inline uint32_t
|
|
hc32toh(const struct ehci_softc *sc, const uint32_t v)
|
|
{
|
|
return sc->sc_flags & EHCI_SCFLG_BIGEDESC ? be32toh(v) : le32toh(v);
|
|
}
|
|
|
|
static __inline uint16_t
|
|
hc16toh(const struct ehci_softc *sc, const uint16_t v)
|
|
{
|
|
return sc->sc_flags & EHCI_SCFLG_BIGEDESC ? be16toh(v) : le16toh(v);
|
|
}
|
|
#else
|
|
/*
|
|
* Normal little-endian only conversion routines.
|
|
*/
|
|
static __inline uint32_t
|
|
htohc32(const struct ehci_softc *sc, const uint32_t v)
|
|
{
|
|
return htole32(v);
|
|
}
|
|
|
|
static __inline uint16_t
|
|
htohc16(const struct ehci_softc *sc, const uint16_t v)
|
|
{
|
|
return htole16(v);
|
|
}
|
|
|
|
static __inline uint32_t
|
|
hc32toh(const struct ehci_softc *sc, const uint32_t v)
|
|
{
|
|
return le32toh(v);
|
|
}
|
|
|
|
static __inline uint16_t
|
|
hc16toh(const struct ehci_softc *sc, const uint16_t v)
|
|
{
|
|
return le16toh(v);
|
|
}
|
|
#endif
|
|
|
|
usb_bus_mem_cb_t ehci_iterate_hw_softc;
|
|
|
|
usb_error_t ehci_reset(ehci_softc_t *sc);
|
|
usb_error_t ehci_init(ehci_softc_t *sc);
|
|
void ehci_detach(struct ehci_softc *sc);
|
|
void ehci_interrupt(ehci_softc_t *sc);
|
|
uint16_t ehci_get_port_speed_portsc(struct ehci_softc *sc, uint16_t index);
|
|
uint16_t ehci_get_port_speed_hostc(struct ehci_softc *sc, uint16_t index);
|
|
|
|
#endif /* _EHCI_H_ */
|