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1/** @file\r
2This file contains the descriptor definination of OHCI spec\r
3\r
4Copyright (c) 2013-2015 Intel Corporation.\r
5\r
6This program and the accompanying materials\r
7are licensed and made available under the terms and conditions of the BSD License\r
8which accompanies this distribution. The full text of the license may be found at\r
9http://opensource.org/licenses/bsd-license.php\r
10\r
11THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
12WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
13\r
14**/\r
15\r
16\r
17\r
18#ifndef _DESCRIPTOR_H\r
19#define _DESCRIPTOR_H\r
20\r
21#define ED_FUNC_ADD 0x0001\r
22#define ED_ENDPT_NUM 0x0002\r
23#define ED_DIR 0x0004\r
24#define ED_SPEED 0x0008\r
25#define ED_SKIP 0x0010\r
26#define ED_FORMAT 0x0020\r
27#define ED_MAX_PACKET 0x0040\r
28#define ED_TDTAIL_PTR 0x0080\r
29#define ED_HALTED 0x0100\r
30#define ED_DTTOGGLE 0x0200\r
31#define ED_TDHEAD_PTR 0x0400\r
32#define ED_NEXT_EDPTR 0x0800\r
33#define ED_PDATA 0x1000\r
34#define ED_ZERO 0x2000\r
35\r
36#define TD_BUFFER_ROUND 0x0001\r
37#define TD_DIR_PID 0x0002\r
38#define TD_DELAY_INT 0x0004\r
39#define TD_DT_TOGGLE 0x0008\r
40#define TD_ERROR_CNT 0x0010\r
41#define TD_COND_CODE 0x0020\r
42#define TD_CURR_BUFFER_PTR 0x0040\r
43#define TD_NEXT_PTR 0x0080\r
44#define TD_BUFFER_END_PTR 0x0100\r
45#define TD_PDATA 0x0200\r
46\r
47#define ED_FROM_TD_DIR 0x0\r
48#define ED_OUT_DIR 0x1\r
49#define ED_IN_DIR 0x2\r
50#define ED_FROM_TD_ALSO_DIR 0x3\r
51\r
52#define TD_SETUP_PID 0x00\r
53#define TD_OUT_PID 0x01\r
54#define TD_IN_PID 0x02\r
55#define TD_NODATA_PID 0x03\r
56\r
57#define HI_SPEED 0\r
58#define LO_SPEED 1\r
59\r
60#define TD_NO_ERROR 0x00\r
61#define TD_CRC_ERROR 0x01\r
62#define TD_BITSTUFFING_ERROR 0x02\r
63#define TD_TOGGLE_ERROR 0x03\r
64#define TD_DEVICE_STALL 0x04\r
65#define TD_NO_RESPONSE 0x05\r
66#define TD_PIDCHK_FAIL 0x06\r
67#define TD_PID_UNEXPECTED 0x07\r
68#define TD_DATA_OVERRUN 0x08\r
69#define TD_DATA_UNDERRUN 0x09\r
70#define TD_BUFFER_OVERRUN 0x0C\r
71#define TD_BUFFER_UNDERRUN 0x0D\r
72#define TD_TOBE_PROCESSED 0x0E\r
73#define TD_TOBE_PROCESSED_2 0x0F\r
74\r
75#define TD_NO_DELAY 0x7\r
76\r
77#define TD_INT 0x1\r
78#define TD_CTL 0x2\r
79#define TD_BLK 0x3\r
80\r
81typedef struct {\r
82 UINT32 Reserved:18;\r
83 UINT32 BufferRounding:1;\r
84 UINT32 DirPID:2;\r
85 UINT32 DelayInterrupt:3;\r
86 UINT32 DataToggle:2;\r
87 UINT32 ErrorCount:2;\r
88 UINT32 ConditionCode:4;\r
89} TD_DESCRIPTOR_WORD0;\r
90\r
91typedef struct _TD_DESCRIPTOR {\r
92 TD_DESCRIPTOR_WORD0 Word0;\r
93 VOID *CurrBufferPointer;\r
94 struct _TD_DESCRIPTOR *NextTD;\r
95 VOID *BufferEndPointer;\r
96 struct _TD_DESCRIPTOR *NextTDPointer;\r
97 UINT8 *DataBuffer;\r
98 UINT32 ActualSendLength;\r
99} TD_DESCRIPTOR;\r
100\r
101typedef struct {\r
102 UINT32 FunctionAddress:7;\r
103 UINT32 EndPointNum:4;\r
104 UINT32 Direction:2;\r
105 UINT32 Speed:1;\r
106 UINT32 Skip:1;\r
107 UINT32 Format:1;\r
108 UINT32 MaxPacketSize:11;\r
109 UINT32 FreeSpace:5;\r
110} ED_DESCRIPTOR_WORD0;\r
111\r
112typedef struct {\r
113 UINT32 Halted:1;\r
114 UINT32 ToggleCarry:1;\r
115 UINT32 Zero:2;\r
116 UINT32 TdHeadPointer:28;\r
117} ED_DESCRIPTOR_WORD2;\r
118\r
119typedef struct _ED_DESCRIPTOR {\r
120 ED_DESCRIPTOR_WORD0 Word0;\r
121 TD_DESCRIPTOR *TdTailPointer;\r
122 ED_DESCRIPTOR_WORD2 Word2;\r
123 struct _ED_DESCRIPTOR *NextED;\r
124} ED_DESCRIPTOR;\r
125\r
126#define TD_PTR(p) ((TD_DESCRIPTOR *)((p) << 4))\r
127#define ED_PTR(p) ((ED_DESCRIPTOR *)((p) << 4))\r
128#define RIGHT_SHIFT_4(p) ((UINT32)(p) >> 4)\r
129\r
130typedef enum {\r
131 CONTROL_LIST,\r
132 BULK_LIST,\r
133 INTERRUPT_LIST,\r
134 ISOCHRONOUS_LIST\r
135} DESCRIPTOR_LIST_TYPE;\r
136\r
137#endif\r