/*
* Copyright (c) 2011 Jan Vesely
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/** @addtogroup drvusbohci
* @{
*/
/** @file
* @brief OHCI driver
*/
#ifndef DRV_OHCI_HW_STRUCT_ISO_TRANSFER_DESCRIPTOR_H
#define DRV_OHCI_HW_STRUCT_ISO_TRANSFER_DESCRIPTOR_H
#include <stdint.h>
#include "completion_codes.h"
typedef struct itd {
volatile uint32_t status;
#define ITD_STATUS_SF_MASK (0xffff) /* starting frame */
#define ITD_STATUS_SF_SHIFT (0)
#define ITD_STATUS_DI_MASK (0x7) /* delay int, wait DI frames before int */
#define ITD_STATUS_DI_SHIFT (21)
#define ITD_STATUS_DI_NO_INTERRUPT (0x7)
#define ITD_STATUS_FC_MASK (0x7) /* frame count */
#define ITD_STATUS_FC_SHIFT (24)
#define ITD_STATUS_CC_MASK (0xf) /* condition code */
#define ITD_STATUS_CC_SHIFT (28)
volatile uint32_t page; /* page number of the first byte in buffer */
#define ITD_PAGE_BP0_MASK (0xfffff000)
#define ITD_PAGE_BP0_SHIFT (0)
volatile uint32_t next;
#define ITD_NEXT_PTR_MASK (0xfffffff0)
#define ITD_NEXT_PTR_SHIFT (0)
volatile uint32_t be; /* buffer end, address of the last byte */
volatile uint16_t offset[8];
#define ITD_OFFSET_SIZE_MASK (0x3ff)
#define ITD_OFFSET_SIZE_SHIFT (0)
#define ITD_OFFSET_CC_MASK (0xf)
#define ITD_OFFSET_CC_SHIFT (12)
} __attribute__((packed, aligned(32))) itd_t;
#endif
/**
* @}
*/