xref: /openbmc/u-boot/include/usb_defs.h (revision a562e1bd)
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 
30 /* Everything is aribtrary */
31 #define USB_ALTSETTINGALLOC          4
32 #define USB_MAXALTSETTING	           128  /* Hard limit */
33 
34 #define USB_MAX_DEVICE              32
35 #define USB_MAXCONFIG		            8
36 #define USB_MAXINTERFACES	          8
37 #define USB_MAXENDPOINTS	          16
38 #define USB_MAXCHILDREN  						8 	/* This is arbitrary */
39 #define USB_MAX_HUB									16
40 
41 #define USB_CNTL_TIMEOUT 100 /* 100ms timeout */
42 
43 /* USB constants */
44 
45 /* Device and/or Interface Class codes */
46 #define USB_CLASS_PER_INTERFACE  0	/* for DeviceClass */
47 #define USB_CLASS_AUDIO          1
48 #define USB_CLASS_COMM           2
49 #define USB_CLASS_HID            3
50 #define USB_CLASS_PRINTER	       7
51 #define USB_CLASS_MASS_STORAGE   8
52 #define USB_CLASS_HUB            9
53 #define USB_CLASS_DATA           10
54 #define USB_CLASS_VENDOR_SPEC    0xff
55 
56 /* some HID sub classes */
57 #define USB_SUB_HID_NONE        0
58 #define USB_SUB_HID_BOOT        1
59 
60 /* some UID Protocols */
61 #define USB_PROT_HID_NONE       0
62 #define USB_PROT_HID_KEYBOARD   1
63 #define USB_PROT_HID_MOUSE      2
64 
65 
66 /* Sub STORAGE Classes */
67 #define US_SC_RBC              1		/* Typically, flash devices */
68 #define US_SC_8020             2		/* CD-ROM */
69 #define US_SC_QIC              3		/* QIC-157 Tapes */
70 #define US_SC_UFI              4		/* Floppy */
71 #define US_SC_8070             5		/* Removable media */
72 #define US_SC_SCSI             6		/* Transparent */
73 #define US_SC_MIN              US_SC_RBC
74 #define US_SC_MAX              US_SC_SCSI
75 
76 /* STORAGE Protocols */
77 #define US_PR_CB               1		/* Control/Bulk w/o interrupt */
78 #define US_PR_CBI              0		/* Control/Bulk/Interrupt */
79 #define US_PR_BULK             0x50		/* bulk only */
80 
81 /* USB types */
82 #define USB_TYPE_STANDARD   (0x00 << 5)
83 #define USB_TYPE_CLASS      (0x01 << 5)
84 #define USB_TYPE_VENDOR     (0x02 << 5)
85 #define USB_TYPE_RESERVED   (0x03 << 5)
86 
87 /* USB recipients */
88 #define USB_RECIP_DEVICE      0x00
89 #define USB_RECIP_INTERFACE   0x01
90 #define USB_RECIP_ENDPOINT    0x02
91 #define USB_RECIP_OTHER       0x03
92 
93 /* USB directions */
94 #define USB_DIR_OUT           0
95 #define USB_DIR_IN            0x80
96 
97 /* Descriptor types */
98 #define USB_DT_DEVICE        0x01
99 #define USB_DT_CONFIG        0x02
100 #define USB_DT_STRING        0x03
101 #define USB_DT_INTERFACE     0x04
102 #define USB_DT_ENDPOINT      0x05
103 
104 #define USB_DT_HID          (USB_TYPE_CLASS | 0x01)
105 #define USB_DT_REPORT       (USB_TYPE_CLASS | 0x02)
106 #define USB_DT_PHYSICAL     (USB_TYPE_CLASS | 0x03)
107 #define USB_DT_HUB          (USB_TYPE_CLASS | 0x09)
108 
109 /* Descriptor sizes per descriptor type */
110 #define USB_DT_DEVICE_SIZE      18
111 #define USB_DT_CONFIG_SIZE      9
112 #define USB_DT_INTERFACE_SIZE   9
113 #define USB_DT_ENDPOINT_SIZE    7
114 #define USB_DT_ENDPOINT_AUDIO_SIZE  9	/* Audio extension */
115 #define USB_DT_HUB_NONVAR_SIZE  7
116 #define USB_DT_HID_SIZE         9
117 
118 /* Endpoints */
119 #define USB_ENDPOINT_NUMBER_MASK  0x0f	/* in bEndpointAddress */
120 #define USB_ENDPOINT_DIR_MASK     0x80
121 
122 #define USB_ENDPOINT_XFERTYPE_MASK 0x03	/* in bmAttributes */
123 #define USB_ENDPOINT_XFER_CONTROL  0
124 #define USB_ENDPOINT_XFER_ISOC     1
125 #define USB_ENDPOINT_XFER_BULK     2
126 #define USB_ENDPOINT_XFER_INT      3
127 
128 /* USB Packet IDs (PIDs) */
129 #define USB_PID_UNDEF_0             0xf0
130 #define USB_PID_OUT                 0xe1
131 #define USB_PID_ACK                 0xd2
132 #define USB_PID_DATA0               0xc3
133 #define USB_PID_UNDEF_4             0xb4
134 #define USB_PID_SOF                 0xa5
135 #define USB_PID_UNDEF_6             0x96
136 #define USB_PID_UNDEF_7             0x87
137 #define USB_PID_UNDEF_8             0x78
138 #define USB_PID_IN                  0x69
139 #define USB_PID_NAK                 0x5a
140 #define USB_PID_DATA1               0x4b
141 #define USB_PID_PREAMBLE            0x3c
142 #define USB_PID_SETUP               0x2d
143 #define USB_PID_STALL               0x1e
144 #define USB_PID_UNDEF_F             0x0f
145 
146 /* Standard requests */
147 #define USB_REQ_GET_STATUS          0x00
148 #define USB_REQ_CLEAR_FEATURE       0x01
149 #define USB_REQ_SET_FEATURE         0x03
150 #define USB_REQ_SET_ADDRESS         0x05
151 #define USB_REQ_GET_DESCRIPTOR      0x06
152 #define USB_REQ_SET_DESCRIPTOR      0x07
153 #define USB_REQ_GET_CONFIGURATION   0x08
154 #define USB_REQ_SET_CONFIGURATION   0x09
155 #define USB_REQ_GET_INTERFACE       0x0A
156 #define USB_REQ_SET_INTERFACE       0x0B
157 #define USB_REQ_SYNCH_FRAME         0x0C
158 
159 /* HID requests */
160 #define USB_REQ_GET_REPORT          0x01
161 #define USB_REQ_GET_IDLE            0x02
162 #define USB_REQ_GET_PROTOCOL        0x03
163 #define USB_REQ_SET_REPORT          0x09
164 #define USB_REQ_SET_IDLE            0x0A
165 #define USB_REQ_SET_PROTOCOL        0x0B
166 
167 
168 /* "pipe" definitions */
169 
170 #define PIPE_ISOCHRONOUS    0
171 #define PIPE_INTERRUPT      1
172 #define PIPE_CONTROL        2
173 #define PIPE_BULK           3
174 #define PIPE_DEVEP_MASK     0x0007ff00
175 
176 #define USB_ISOCHRONOUS    0
177 #define USB_INTERRUPT      1
178 #define USB_CONTROL        2
179 #define USB_BULK           3
180 
181 /* USB-status codes: */
182 #define USB_ST_ACTIVE           0x1		/* TD is active */
183 #define USB_ST_STALLED          0x2		/* TD is stalled */
184 #define USB_ST_BUF_ERR          0x4		/* buffer error */
185 #define USB_ST_BABBLE_DET       0x8		/* Babble detected */
186 #define USB_ST_NAK_REC          0x10	/* NAK Received*/
187 #define USB_ST_CRC_ERR          0x20	/* CRC/timeout Error */
188 #define USB_ST_BIT_ERR          0x40	/* Bitstuff error */
189 #define USB_ST_NOT_PROC         0x80000000L	/* Not yet processed */
190 
191 
192 /*************************************************************************
193  * Hub defines
194  */
195 
196 /*
197  * Hub request types
198  */
199 
200 #define USB_RT_HUB	(USB_TYPE_CLASS | USB_RECIP_DEVICE)
201 #define USB_RT_PORT	(USB_TYPE_CLASS | USB_RECIP_OTHER)
202 
203 /*
204  * Hub Class feature numbers
205  */
206 #define C_HUB_LOCAL_POWER   0
207 #define C_HUB_OVER_CURRENT  1
208 
209 /*
210  * Port feature numbers
211  */
212 #define USB_PORT_FEAT_CONNECTION     0
213 #define USB_PORT_FEAT_ENABLE         1
214 #define USB_PORT_FEAT_SUSPEND        2
215 #define USB_PORT_FEAT_OVER_CURRENT   3
216 #define USB_PORT_FEAT_RESET          4
217 #define USB_PORT_FEAT_POWER          8
218 #define USB_PORT_FEAT_LOWSPEED       9
219 #define USB_PORT_FEAT_C_CONNECTION   16
220 #define USB_PORT_FEAT_C_ENABLE       17
221 #define USB_PORT_FEAT_C_SUSPEND      18
222 #define USB_PORT_FEAT_C_OVER_CURRENT 19
223 #define USB_PORT_FEAT_C_RESET        20
224 
225 /* wPortStatus bits */
226 #define USB_PORT_STAT_CONNECTION    0x0001
227 #define USB_PORT_STAT_ENABLE        0x0002
228 #define USB_PORT_STAT_SUSPEND       0x0004
229 #define USB_PORT_STAT_OVERCURRENT   0x0008
230 #define USB_PORT_STAT_RESET         0x0010
231 #define USB_PORT_STAT_POWER         0x0100
232 #define USB_PORT_STAT_LOW_SPEED     0x0200
233 
234 /* wPortChange bits */
235 #define USB_PORT_STAT_C_CONNECTION  0x0001
236 #define USB_PORT_STAT_C_ENABLE      0x0002
237 #define USB_PORT_STAT_C_SUSPEND     0x0004
238 #define USB_PORT_STAT_C_OVERCURRENT 0x0008
239 #define USB_PORT_STAT_C_RESET       0x0010
240 
241 /* wHubCharacteristics (masks) */
242 #define HUB_CHAR_LPSM               0x0003
243 #define HUB_CHAR_COMPOUND           0x0004
244 #define HUB_CHAR_OCPM               0x0018
245 
246 /*
247  *Hub Status & Hub Change bit masks
248  */
249 #define HUB_STATUS_LOCAL_POWER	0x0001
250 #define HUB_STATUS_OVERCURRENT	0x0002
251 
252 #define HUB_CHANGE_LOCAL_POWER	0x0001
253 #define HUB_CHANGE_OVERCURRENT	0x0002
254 
255 #endif /*_USB_DEFS_H_ */
256