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/** @file
This file contains the descriptor definination of OHCI spec
Copyright (c) 2013 Intel Corporation.
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.
* Neither the name of Intel Corporation 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 _DESCRIPTOR_H
#define _DESCRIPTOR_H
#define ED_FUNC_ADD 0x0001
#define ED_ENDPT_NUM 0x0002
#define ED_DIR 0x0004
#define ED_SPEED 0x0008
#define ED_SKIP 0x0010
#define ED_FORMAT 0x0020
#define ED_MAX_PACKET 0x0040
#define ED_TDTAIL_PTR 0x0080
#define ED_HALTED 0x0100
#define ED_DTTOGGLE 0x0200
#define ED_TDHEAD_PTR 0x0400
#define ED_NEXT_EDPTR 0x0800
#define ED_PDATA 0x1000
#define ED_ZERO 0x2000
#define TD_BUFFER_ROUND 0x0001
#define TD_DIR_PID 0x0002
#define TD_DELAY_INT 0x0004
#define TD_DT_TOGGLE 0x0008
#define TD_ERROR_CNT 0x0010
#define TD_COND_CODE 0x0020
#define TD_CURR_BUFFER_PTR 0x0040
#define TD_NEXT_PTR 0x0080
#define TD_BUFFER_END_PTR 0x0100
#define TD_PDATA 0x0200
#define ED_FROM_TD_DIR 0x0
#define ED_OUT_DIR 0x1
#define ED_IN_DIR 0x2
#define ED_FROM_TD_ALSO_DIR 0x3
#define TD_SETUP_PID 0x00
#define TD_OUT_PID 0x01
#define TD_IN_PID 0x02
#define TD_NODATA_PID 0x03
#define HI_SPEED 0
#define LO_SPEED 1
#define TD_NO_ERROR 0x00
#define TD_CRC_ERROR 0x01
#define TD_BITSTUFFING_ERROR 0x02
#define TD_TOGGLE_ERROR 0x03
#define TD_DEVICE_STALL 0x04
#define TD_NO_RESPONSE 0x05
#define TD_PIDCHK_FAIL 0x06
#define TD_PID_UNEXPECTED 0x07
#define TD_DATA_OVERRUN 0x08
#define TD_DATA_UNDERRUN 0x09
#define TD_BUFFER_OVERRUN 0x0C
#define TD_BUFFER_UNDERRUN 0x0D
#define TD_TOBE_PROCESSED 0x0E
#define TD_TOBE_PROCESSED_2 0x0F
#define TD_NO_DELAY 0x7
#define TD_INT 0x1
#define TD_CTL 0x2
#define TD_BLK 0x3
typedef struct {
UINT32 Reserved:18;
UINT32 BufferRounding:1;
UINT32 DirPID:2;
UINT32 DelayInterrupt:3;
UINT32 DataToggle:2;
UINT32 ErrorCount:2;
UINT32 ConditionCode:4;
} TD_DESCRIPTOR_WORD0;
typedef struct _TD_DESCRIPTOR {
TD_DESCRIPTOR_WORD0 Word0;
UINT32 CurrBufferPointer;
UINT32 NextTD;
UINT32 BufferEndPointer;
UINT32 NextTDPointer;
UINT32 DataBuffer;
UINT32 ActualSendLength;
UINT32 Reserved;
} TD_DESCRIPTOR;
typedef struct {
UINT32 FunctionAddress:7;
UINT32 EndPointNum:4;
UINT32 Direction:2;
UINT32 Speed:1;
UINT32 Skip:1;
UINT32 Format:1;
UINT32 MaxPacketSize:11;
UINT32 FreeSpace:5;
} ED_DESCRIPTOR_WORD0;
typedef struct {
UINT32 Halted:1;
UINT32 ToggleCarry:1;
UINT32 Zero:2;
UINT32 TdHeadPointer:28;
} ED_DESCRIPTOR_WORD2;
typedef struct _ED_DESCRIPTOR {
ED_DESCRIPTOR_WORD0 Word0;
UINT32 TdTailPointer;
ED_DESCRIPTOR_WORD2 Word2;
UINT32 NextED;
} ED_DESCRIPTOR;
#define TD_PTR(p) ((TD_DESCRIPTOR *)(UINTN)((p) << 4))
#define ED_PTR(p) ((ED_DESCRIPTOR *)(UINTN)((p) << 4))
#define RIGHT_SHIFT_4(p) ((UINT32)(p) >> 4)
typedef enum {
CONTROL_LIST,
BULK_LIST,
INTERRUPT_LIST,
ISOCHRONOUS_LIST
} DESCRIPTOR_LIST_TYPE;
#endif
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