118 lines
4.6 KiB
C
118 lines
4.6 KiB
C
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/* Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved.
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* Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in
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* the the People's Republic of China and other countries.
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* All Allwinner Technology Co.,Ltd. trademarks are used with permission.
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* DISCLAIMER
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* THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT.
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* IF YOU NEED TO INTEGRATE THIRD PART'S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.)
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* IN ALLWINNER'SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN
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* ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES.
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* ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS
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* COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
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* YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PART'S TECHNOLOGY.
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* THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT
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* PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND,
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* WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING
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* THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE
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* OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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* IN NO EVENT SHALL ALLWINNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* 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
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __USB_STORAGE_H__
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#define __USB_STORAGE_H__
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/*
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* linux/usb/storage.h
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*
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* Copyright Matthew Wilcox for Intel Corp, 2010
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*
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* This file contains definitions taken from the
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* USB Mass Storage Class Specification Overview
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*
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* Distributed under the terms of the GNU GPL, version two.
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*/
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/* Storage subclass codes */
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#define USB_SC_RBC 0x01 /* Typically, flash devices */
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#define USB_SC_8020 0x02 /* CD-ROM */
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#define USB_SC_QIC 0x03 /* QIC-157 Tapes */
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#define USB_SC_UFI 0x04 /* Floppy */
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#define USB_SC_8070 0x05 /* Removable media */
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#define USB_SC_SCSI 0x06 /* Transparent */
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#define USB_SC_LOCKABLE 0x07 /* Password-protected */
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#define USB_SC_ISD200 0xf0 /* ISD200 ATA */
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#define USB_SC_CYP_ATACB 0xf1 /* Cypress ATACB */
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#define USB_SC_DEVICE 0xff /* Use device's value */
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/* Storage protocol codes */
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#define USB_PR_CBI 0x00 /* Control/Bulk/Interrupt */
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#define USB_PR_CB 0x01 /* Control/Bulk w/o interrupt */
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#define USB_PR_BULK 0x50 /* bulk only */
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#define USB_PR_UAS 0x62 /* USB Attached SCSI */
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#define USB_PR_USBAT 0x80 /* SCM-ATAPI bridge */
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#define USB_PR_EUSB_SDDR09 0x81 /* SCM-SCSI bridge for SDDR-09 */
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#define USB_PR_SDDR55 0x82 /* SDDR-55 (made up) */
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#define USB_PR_DPCM_USB 0xf0 /* Combination CB/SDDR09 */
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#define USB_PR_FREECOM 0xf1 /* Freecom */
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#define USB_PR_DATAFAB 0xf2 /* Datafab chipsets */
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#define USB_PR_JUMPSHOT 0xf3 /* Lexar Jumpshot */
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#define USB_PR_ALAUDA 0xf4 /* Alauda chipsets */
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#define USB_PR_KARMA 0xf5 /* Rio Karma */
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#define USB_PR_DEVICE 0xff /* Use device's value */
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/*
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* Bulk only data structures
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*/
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/* command block wrapper */
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struct bulk_cb_wrap {
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uint32_t Signature; /* contains 'USBC' */
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uint32_t Tag; /* unique per command id */
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uint32_t DataTransferLength; /* size of data */
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uint8_t Flags; /* direction in bit 0 */
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uint8_t Lun; /* LUN normally 0 */
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uint8_t Length; /* length of the CDB */
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uint8_t CDB[16]; /* max command */
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};
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#define US_BULK_CB_WRAP_LEN 31
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#define US_BULK_CB_SIGN 0x43425355 /* spells out 'USBC' */
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#define US_BULK_FLAG_IN (1 << 7)
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#define US_BULK_FLAG_OUT 0
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/* command status wrapper */
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struct bulk_cs_wrap {
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uint32_t Signature; /* contains 'USBS' */
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uint32_t Tag; /* same as original command */
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uint32_t Residue; /* amount not transferred */
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uint8_t Status; /* see below */
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};
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#define US_BULK_CS_WRAP_LEN 13
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#define US_BULK_CS_SIGN 0x53425355 /* spells out 'USBS' */
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#define US_BULK_STAT_OK 0
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#define US_BULK_STAT_FAIL 1
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#define US_BULK_STAT_PHASE 2
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/* bulk-only class specific requests */
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#define US_BULK_RESET_REQUEST 0xff
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#define US_BULK_GET_MAX_LUN 0xfe
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#endif /* __USB_STORAGE_H__ */
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