xref: /openbmc/u-boot/include/usb_defs.h (revision 16276220)
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 /* Descriptor types */
84 #define USB_DT_DEVICE        0x01
85 #define USB_DT_CONFIG        0x02
86 #define USB_DT_STRING        0x03
87 #define USB_DT_INTERFACE     0x04
88 #define USB_DT_ENDPOINT      0x05
89 
90 #define USB_DT_HID          (USB_TYPE_CLASS | 0x01)
91 #define USB_DT_REPORT       (USB_TYPE_CLASS | 0x02)
92 #define USB_DT_PHYSICAL     (USB_TYPE_CLASS | 0x03)
93 #define USB_DT_HUB          (USB_TYPE_CLASS | 0x09)
94 
95 /* Descriptor sizes per descriptor type */
96 #define USB_DT_DEVICE_SIZE      18
97 #define USB_DT_CONFIG_SIZE      9
98 #define USB_DT_INTERFACE_SIZE   9
99 #define USB_DT_ENDPOINT_SIZE    7
100 #define USB_DT_ENDPOINT_AUDIO_SIZE  9	/* Audio extension */
101 #define USB_DT_HUB_NONVAR_SIZE  7
102 #define USB_DT_HID_SIZE         9
103 
104 /* Endpoints */
105 #define USB_ENDPOINT_NUMBER_MASK  0x0f	/* in bEndpointAddress */
106 #define USB_ENDPOINT_DIR_MASK     0x80
107 
108 #define USB_ENDPOINT_XFERTYPE_MASK 0x03	/* in bmAttributes */
109 #define USB_ENDPOINT_XFER_CONTROL  0
110 #define USB_ENDPOINT_XFER_ISOC     1
111 #define USB_ENDPOINT_XFER_BULK     2
112 #define USB_ENDPOINT_XFER_INT      3
113 
114 /* USB Packet IDs (PIDs) */
115 #define USB_PID_UNDEF_0             0xf0
116 #define USB_PID_OUT                 0xe1
117 #define USB_PID_ACK                 0xd2
118 #define USB_PID_DATA0               0xc3
119 #define USB_PID_UNDEF_4             0xb4
120 #define USB_PID_SOF                 0xa5
121 #define USB_PID_UNDEF_6             0x96
122 #define USB_PID_UNDEF_7             0x87
123 #define USB_PID_UNDEF_8             0x78
124 #define USB_PID_IN                  0x69
125 #define USB_PID_NAK                 0x5a
126 #define USB_PID_DATA1               0x4b
127 #define USB_PID_PREAMBLE            0x3c
128 #define USB_PID_SETUP               0x2d
129 #define USB_PID_STALL               0x1e
130 #define USB_PID_UNDEF_F             0x0f
131 
132 /* Standard requests */
133 #define USB_REQ_GET_STATUS          0x00
134 #define USB_REQ_CLEAR_FEATURE       0x01
135 #define USB_REQ_SET_FEATURE         0x03
136 #define USB_REQ_SET_ADDRESS         0x05
137 #define USB_REQ_GET_DESCRIPTOR      0x06
138 #define USB_REQ_SET_DESCRIPTOR      0x07
139 #define USB_REQ_GET_CONFIGURATION   0x08
140 #define USB_REQ_SET_CONFIGURATION   0x09
141 #define USB_REQ_GET_INTERFACE       0x0A
142 #define USB_REQ_SET_INTERFACE       0x0B
143 #define USB_REQ_SYNCH_FRAME         0x0C
144 
145 /* HID requests */
146 #define USB_REQ_GET_REPORT          0x01
147 #define USB_REQ_GET_IDLE            0x02
148 #define USB_REQ_GET_PROTOCOL        0x03
149 #define USB_REQ_SET_REPORT          0x09
150 #define USB_REQ_SET_IDLE            0x0A
151 #define USB_REQ_SET_PROTOCOL        0x0B
152 
153 /* Device features */
154 #define USB_FEAT_HALT               0x00
155 #define USB_FEAT_WAKEUP             0x01
156 #define USB_FEAT_TEST               0x02
157 
158 /* Test modes */
159 #define USB_TEST_MODE_J             0x01
160 #define USB_TEST_MODE_K             0x02
161 #define USB_TEST_MODE_SE0_NAK       0x03
162 #define USB_TEST_MODE_PACKET        0x04
163 #define USB_TEST_MODE_FORCE_ENABLE  0x05
164 
165 
166 /* "pipe" definitions */
167 
168 #define PIPE_ISOCHRONOUS    0
169 #define PIPE_INTERRUPT      1
170 #define PIPE_CONTROL        2
171 #define PIPE_BULK           3
172 #define PIPE_DEVEP_MASK     0x0007ff00
173 
174 #define USB_ISOCHRONOUS    0
175 #define USB_INTERRUPT      1
176 #define USB_CONTROL        2
177 #define USB_BULK           3
178 
179 /* USB-status codes: */
180 #define USB_ST_ACTIVE           0x1		/* TD is active */
181 #define USB_ST_STALLED          0x2		/* TD is stalled */
182 #define USB_ST_BUF_ERR          0x4		/* buffer error */
183 #define USB_ST_BABBLE_DET       0x8		/* Babble detected */
184 #define USB_ST_NAK_REC          0x10	/* NAK Received*/
185 #define USB_ST_CRC_ERR          0x20	/* CRC/timeout Error */
186 #define USB_ST_BIT_ERR          0x40	/* Bitstuff error */
187 #define USB_ST_NOT_PROC         0x80000000L	/* Not yet processed */
188 
189 
190 /*************************************************************************
191  * Hub defines
192  */
193 
194 /*
195  * Hub request types
196  */
197 
198 #define USB_RT_HUB	(USB_TYPE_CLASS | USB_RECIP_DEVICE)
199 #define USB_RT_PORT	(USB_TYPE_CLASS | USB_RECIP_OTHER)
200 
201 /*
202  * Hub Class feature numbers
203  */
204 #define C_HUB_LOCAL_POWER   0
205 #define C_HUB_OVER_CURRENT  1
206 
207 /*
208  * Port feature numbers
209  */
210 #define USB_PORT_FEAT_CONNECTION     0
211 #define USB_PORT_FEAT_ENABLE         1
212 #define USB_PORT_FEAT_SUSPEND        2
213 #define USB_PORT_FEAT_OVER_CURRENT   3
214 #define USB_PORT_FEAT_RESET          4
215 #define USB_PORT_FEAT_POWER          8
216 #define USB_PORT_FEAT_LOWSPEED       9
217 #define USB_PORT_FEAT_HIGHSPEED      10
218 #define USB_PORT_FEAT_C_CONNECTION   16
219 #define USB_PORT_FEAT_C_ENABLE       17
220 #define USB_PORT_FEAT_C_SUSPEND      18
221 #define USB_PORT_FEAT_C_OVER_CURRENT 19
222 #define USB_PORT_FEAT_C_RESET        20
223 #define USB_PORT_FEAT_TEST           21
224 
225 /*
226  * Changes to Port feature numbers for Super speed,
227  * from USB 3.0 spec Table 10-8
228  */
229 #define USB_SS_PORT_FEAT_U1_TIMEOUT	23
230 #define USB_SS_PORT_FEAT_U2_TIMEOUT	24
231 #define USB_SS_PORT_FEAT_C_LINK_STATE	25
232 #define USB_SS_PORT_FEAT_C_CONFIG_ERROR	26
233 #define USB_SS_PORT_FEAT_BH_RESET	28
234 #define USB_SS_PORT_FEAT_C_BH_RESET	29
235 
236 /* wPortStatus bits */
237 #define USB_PORT_STAT_CONNECTION    0x0001
238 #define USB_PORT_STAT_ENABLE        0x0002
239 #define USB_PORT_STAT_SUSPEND       0x0004
240 #define USB_PORT_STAT_OVERCURRENT   0x0008
241 #define USB_PORT_STAT_RESET         0x0010
242 #define USB_PORT_STAT_POWER         0x0100
243 #define USB_PORT_STAT_LOW_SPEED     0x0200
244 #define USB_PORT_STAT_HIGH_SPEED    0x0400	/* support for EHCI */
245 #define USB_PORT_STAT_SUPER_SPEED   0x0600	/* faking support to XHCI */
246 #define USB_PORT_STAT_SPEED_MASK	\
247 	(USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED)
248 
249 /*
250  * Changes to wPortStatus bit field in USB 3.0
251  * See USB 3.0 spec Table 10-11
252  */
253 #define USB_SS_PORT_STAT_LINK_STATE	0x01e0
254 #define USB_SS_PORT_STAT_POWER		0x0200
255 #define USB_SS_PORT_STAT_SPEED		0x1c00
256 #define USB_SS_PORT_STAT_SPEED_5GBPS	0x0000
257 
258 /* wPortChange bits */
259 #define USB_PORT_STAT_C_CONNECTION  0x0001
260 #define USB_PORT_STAT_C_ENABLE      0x0002
261 #define USB_PORT_STAT_C_SUSPEND     0x0004
262 #define USB_PORT_STAT_C_OVERCURRENT 0x0008
263 #define USB_PORT_STAT_C_RESET       0x0010
264 
265 /*
266  * Changes to wPortChange bit fields in USB 3.0
267  * See USB 3.0 spec Table 10-12
268  */
269 #define USB_SS_PORT_STAT_C_BH_RESET	0x0020
270 #define USB_SS_PORT_STAT_C_LINK_STATE	0x0040
271 #define USB_SS_PORT_STAT_C_CONFIG_ERROR	0x0080
272 
273 /* wHubCharacteristics (masks) */
274 #define HUB_CHAR_LPSM               0x0003
275 #define HUB_CHAR_COMPOUND           0x0004
276 #define HUB_CHAR_OCPM               0x0018
277 
278 /*
279  * Hub Status & Hub Change bit masks
280  */
281 #define HUB_STATUS_LOCAL_POWER	0x0001
282 #define HUB_STATUS_OVERCURRENT	0x0002
283 
284 #define HUB_CHANGE_LOCAL_POWER	0x0001
285 #define HUB_CHANGE_OVERCURRENT	0x0002
286 
287 #endif /*_USB_DEFS_H_ */
288