xref: /openbmc/u-boot/include/usb_defs.h (revision 15855700)
1 /*
2  * (C) Copyright 2001
3  * Denis Peter, MPL AG Switzerland
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  *
23  * Note: Part of this code has been derived from linux
24  *
25  */
26 #ifndef _USB_DEFS_H_
27 #define _USB_DEFS_H_
28 
29 /* USB constants */
30 
31 /* Device and/or Interface Class codes */
32 #define USB_CLASS_PER_INTERFACE  0	/* for DeviceClass */
33 #define USB_CLASS_AUDIO          1
34 #define USB_CLASS_COMM           2
35 #define USB_CLASS_HID            3
36 #define USB_CLASS_PRINTER	       7
37 #define USB_CLASS_MASS_STORAGE   8
38 #define USB_CLASS_HUB            9
39 #define USB_CLASS_DATA           10
40 #define USB_CLASS_VENDOR_SPEC    0xff
41 
42 /* some HID sub classes */
43 #define USB_SUB_HID_NONE        0
44 #define USB_SUB_HID_BOOT        1
45 
46 /* some UID Protocols */
47 #define USB_PROT_HID_NONE       0
48 #define USB_PROT_HID_KEYBOARD   1
49 #define USB_PROT_HID_MOUSE      2
50 
51 
52 /* Sub STORAGE Classes */
53 #define US_SC_RBC              1		/* Typically, flash devices */
54 #define US_SC_8020             2		/* CD-ROM */
55 #define US_SC_QIC              3		/* QIC-157 Tapes */
56 #define US_SC_UFI              4		/* Floppy */
57 #define US_SC_8070             5		/* Removable media */
58 #define US_SC_SCSI             6		/* Transparent */
59 #define US_SC_MIN              US_SC_RBC
60 #define US_SC_MAX              US_SC_SCSI
61 
62 /* STORAGE Protocols */
63 #define US_PR_CB               1		/* Control/Bulk w/o interrupt */
64 #define US_PR_CBI              0		/* Control/Bulk/Interrupt */
65 #define US_PR_BULK             0x50		/* bulk only */
66 
67 /* USB types */
68 #define USB_TYPE_STANDARD   (0x00 << 5)
69 #define USB_TYPE_CLASS      (0x01 << 5)
70 #define USB_TYPE_VENDOR     (0x02 << 5)
71 #define USB_TYPE_RESERVED   (0x03 << 5)
72 
73 /* USB recipients */
74 #define USB_RECIP_DEVICE      0x00
75 #define USB_RECIP_INTERFACE   0x01
76 #define USB_RECIP_ENDPOINT    0x02
77 #define USB_RECIP_OTHER       0x03
78 
79 /* USB directions */
80 #define USB_DIR_OUT           0
81 #define USB_DIR_IN            0x80
82 
83 /* USB device speeds */
84 #define USB_SPEED_FULL		0x0	/* 12Mbps */
85 #define USB_SPEED_LOW		0x1	/* 1.5Mbps */
86 #define USB_SPEED_HIGH		0x2	/* 480Mbps */
87 #define USB_SPEED_RESERVED	0x3
88 
89 /* Descriptor types */
90 #define USB_DT_DEVICE        0x01
91 #define USB_DT_CONFIG        0x02
92 #define USB_DT_STRING        0x03
93 #define USB_DT_INTERFACE     0x04
94 #define USB_DT_ENDPOINT      0x05
95 
96 #define USB_DT_HID          (USB_TYPE_CLASS | 0x01)
97 #define USB_DT_REPORT       (USB_TYPE_CLASS | 0x02)
98 #define USB_DT_PHYSICAL     (USB_TYPE_CLASS | 0x03)
99 #define USB_DT_HUB          (USB_TYPE_CLASS | 0x09)
100 
101 /* Descriptor sizes per descriptor type */
102 #define USB_DT_DEVICE_SIZE      18
103 #define USB_DT_CONFIG_SIZE      9
104 #define USB_DT_INTERFACE_SIZE   9
105 #define USB_DT_ENDPOINT_SIZE    7
106 #define USB_DT_ENDPOINT_AUDIO_SIZE  9	/* Audio extension */
107 #define USB_DT_HUB_NONVAR_SIZE  7
108 #define USB_DT_HID_SIZE         9
109 
110 /* Endpoints */
111 #define USB_ENDPOINT_NUMBER_MASK  0x0f	/* in bEndpointAddress */
112 #define USB_ENDPOINT_DIR_MASK     0x80
113 
114 #define USB_ENDPOINT_XFERTYPE_MASK 0x03	/* in bmAttributes */
115 #define USB_ENDPOINT_XFER_CONTROL  0
116 #define USB_ENDPOINT_XFER_ISOC     1
117 #define USB_ENDPOINT_XFER_BULK     2
118 #define USB_ENDPOINT_XFER_INT      3
119 
120 /* USB Packet IDs (PIDs) */
121 #define USB_PID_UNDEF_0             0xf0
122 #define USB_PID_OUT                 0xe1
123 #define USB_PID_ACK                 0xd2
124 #define USB_PID_DATA0               0xc3
125 #define USB_PID_UNDEF_4             0xb4
126 #define USB_PID_SOF                 0xa5
127 #define USB_PID_UNDEF_6             0x96
128 #define USB_PID_UNDEF_7             0x87
129 #define USB_PID_UNDEF_8             0x78
130 #define USB_PID_IN                  0x69
131 #define USB_PID_NAK                 0x5a
132 #define USB_PID_DATA1               0x4b
133 #define USB_PID_PREAMBLE            0x3c
134 #define USB_PID_SETUP               0x2d
135 #define USB_PID_STALL               0x1e
136 #define USB_PID_UNDEF_F             0x0f
137 
138 /* Standard requests */
139 #define USB_REQ_GET_STATUS          0x00
140 #define USB_REQ_CLEAR_FEATURE       0x01
141 #define USB_REQ_SET_FEATURE         0x03
142 #define USB_REQ_SET_ADDRESS         0x05
143 #define USB_REQ_GET_DESCRIPTOR      0x06
144 #define USB_REQ_SET_DESCRIPTOR      0x07
145 #define USB_REQ_GET_CONFIGURATION   0x08
146 #define USB_REQ_SET_CONFIGURATION   0x09
147 #define USB_REQ_GET_INTERFACE       0x0A
148 #define USB_REQ_SET_INTERFACE       0x0B
149 #define USB_REQ_SYNCH_FRAME         0x0C
150 
151 /* HID requests */
152 #define USB_REQ_GET_REPORT          0x01
153 #define USB_REQ_GET_IDLE            0x02
154 #define USB_REQ_GET_PROTOCOL        0x03
155 #define USB_REQ_SET_REPORT          0x09
156 #define USB_REQ_SET_IDLE            0x0A
157 #define USB_REQ_SET_PROTOCOL        0x0B
158 
159 
160 /* "pipe" definitions */
161 
162 #define PIPE_ISOCHRONOUS    0
163 #define PIPE_INTERRUPT      1
164 #define PIPE_CONTROL        2
165 #define PIPE_BULK           3
166 #define PIPE_DEVEP_MASK     0x0007ff00
167 
168 #define USB_ISOCHRONOUS    0
169 #define USB_INTERRUPT      1
170 #define USB_CONTROL        2
171 #define USB_BULK           3
172 
173 /* USB-status codes: */
174 #define USB_ST_ACTIVE           0x1		/* TD is active */
175 #define USB_ST_STALLED          0x2		/* TD is stalled */
176 #define USB_ST_BUF_ERR          0x4		/* buffer error */
177 #define USB_ST_BABBLE_DET       0x8		/* Babble detected */
178 #define USB_ST_NAK_REC          0x10	/* NAK Received*/
179 #define USB_ST_CRC_ERR          0x20	/* CRC/timeout Error */
180 #define USB_ST_BIT_ERR          0x40	/* Bitstuff error */
181 #define USB_ST_NOT_PROC         0x80000000L	/* Not yet processed */
182 
183 
184 /*************************************************************************
185  * Hub defines
186  */
187 
188 /*
189  * Hub request types
190  */
191 
192 #define USB_RT_HUB	(USB_TYPE_CLASS | USB_RECIP_DEVICE)
193 #define USB_RT_PORT	(USB_TYPE_CLASS | USB_RECIP_OTHER)
194 
195 /*
196  * Hub Class feature numbers
197  */
198 #define C_HUB_LOCAL_POWER   0
199 #define C_HUB_OVER_CURRENT  1
200 
201 /*
202  * Port feature numbers
203  */
204 #define USB_PORT_FEAT_CONNECTION     0
205 #define USB_PORT_FEAT_ENABLE         1
206 #define USB_PORT_FEAT_SUSPEND        2
207 #define USB_PORT_FEAT_OVER_CURRENT   3
208 #define USB_PORT_FEAT_RESET          4
209 #define USB_PORT_FEAT_POWER          8
210 #define USB_PORT_FEAT_LOWSPEED       9
211 #define USB_PORT_FEAT_HIGHSPEED      10
212 #define USB_PORT_FEAT_C_CONNECTION   16
213 #define USB_PORT_FEAT_C_ENABLE       17
214 #define USB_PORT_FEAT_C_SUSPEND      18
215 #define USB_PORT_FEAT_C_OVER_CURRENT 19
216 #define USB_PORT_FEAT_C_RESET        20
217 
218 /* wPortStatus bits */
219 #define USB_PORT_STAT_CONNECTION    0x0001
220 #define USB_PORT_STAT_ENABLE        0x0002
221 #define USB_PORT_STAT_SUSPEND       0x0004
222 #define USB_PORT_STAT_OVERCURRENT   0x0008
223 #define USB_PORT_STAT_RESET         0x0010
224 #define USB_PORT_STAT_POWER         0x0100
225 #define USB_PORT_STAT_LOW_SPEED     0x0200
226 #define USB_PORT_STAT_HIGH_SPEED    0x0400	/* support for EHCI */
227 #define USB_PORT_STAT_SPEED	\
228 	(USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED)
229 
230 /* wPortChange bits */
231 #define USB_PORT_STAT_C_CONNECTION  0x0001
232 #define USB_PORT_STAT_C_ENABLE      0x0002
233 #define USB_PORT_STAT_C_SUSPEND     0x0004
234 #define USB_PORT_STAT_C_OVERCURRENT 0x0008
235 #define USB_PORT_STAT_C_RESET       0x0010
236 
237 /* wHubCharacteristics (masks) */
238 #define HUB_CHAR_LPSM               0x0003
239 #define HUB_CHAR_COMPOUND           0x0004
240 #define HUB_CHAR_OCPM               0x0018
241 
242 /*
243  *Hub Status & Hub Change bit masks
244  */
245 #define HUB_STATUS_LOCAL_POWER	0x0001
246 #define HUB_STATUS_OVERCURRENT	0x0002
247 
248 #define HUB_CHANGE_LOCAL_POWER	0x0001
249 #define HUB_CHANGE_OVERCURRENT	0x0002
250 
251 #endif /*_USB_DEFS_H_ */
252