xref: /openbmc/u-boot/include/usb_defs.h (revision 6b44ae6b)
1 /*
2  * (C) Copyright 2001
3  * Denis Peter, MPL AG Switzerland
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  *
7  * Note: Part of this code has been derived from linux
8  */
9 #ifndef _USB_DEFS_H_
10 #define _USB_DEFS_H_
11 
12 /* USB constants */
13 
14 /* Device and/or Interface Class codes */
15 #define USB_CLASS_PER_INTERFACE  0	/* for DeviceClass */
16 #define USB_CLASS_AUDIO          1
17 #define USB_CLASS_COMM           2
18 #define USB_CLASS_HID            3
19 #define USB_CLASS_PRINTER	       7
20 #define USB_CLASS_MASS_STORAGE   8
21 #define USB_CLASS_HUB            9
22 #define USB_CLASS_DATA           10
23 #define USB_CLASS_VENDOR_SPEC    0xff
24 
25 /* some HID sub classes */
26 #define USB_SUB_HID_NONE        0
27 #define USB_SUB_HID_BOOT        1
28 
29 /* some UID Protocols */
30 #define USB_PROT_HID_NONE       0
31 #define USB_PROT_HID_KEYBOARD   1
32 #define USB_PROT_HID_MOUSE      2
33 
34 
35 /* Sub STORAGE Classes */
36 #define US_SC_RBC              1		/* Typically, flash devices */
37 #define US_SC_8020             2		/* CD-ROM */
38 #define US_SC_QIC              3		/* QIC-157 Tapes */
39 #define US_SC_UFI              4		/* Floppy */
40 #define US_SC_8070             5		/* Removable media */
41 #define US_SC_SCSI             6		/* Transparent */
42 #define US_SC_MIN              US_SC_RBC
43 #define US_SC_MAX              US_SC_SCSI
44 
45 /* STORAGE Protocols */
46 #define US_PR_CB               1		/* Control/Bulk w/o interrupt */
47 #define US_PR_CBI              0		/* Control/Bulk/Interrupt */
48 #define US_PR_BULK             0x50		/* bulk only */
49 
50 /* USB types */
51 #define USB_TYPE_STANDARD   (0x00 << 5)
52 #define USB_TYPE_CLASS      (0x01 << 5)
53 #define USB_TYPE_VENDOR     (0x02 << 5)
54 #define USB_TYPE_RESERVED   (0x03 << 5)
55 
56 /* USB recipients */
57 #define USB_RECIP_DEVICE      0x00
58 #define USB_RECIP_INTERFACE   0x01
59 #define USB_RECIP_ENDPOINT    0x02
60 #define USB_RECIP_OTHER       0x03
61 
62 /* USB directions */
63 #define USB_DIR_OUT           0
64 #define USB_DIR_IN            0x80
65 
66 /*
67  * bmRequestType: USB Device Requests, table 9.2 USB 2.0 spec.
68  * (shifted) direction/type/recipient.
69  */
70 #define DeviceRequest \
71 	((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8)
72 
73 #define DeviceOutRequest \
74 	((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8)
75 
76 #define InterfaceRequest \
77 	((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
78 
79 #define EndpointRequest \
80 	((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
81 
82 #define EndpointOutRequest \
83 	((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
84 
85 /* Descriptor types */
86 #define USB_DT_DEVICE        0x01
87 #define USB_DT_CONFIG        0x02
88 #define USB_DT_STRING        0x03
89 #define USB_DT_INTERFACE     0x04
90 #define USB_DT_ENDPOINT      0x05
91 
92 #define USB_DT_HID          (USB_TYPE_CLASS | 0x01)
93 #define USB_DT_REPORT       (USB_TYPE_CLASS | 0x02)
94 #define USB_DT_PHYSICAL     (USB_TYPE_CLASS | 0x03)
95 #define USB_DT_HUB          (USB_TYPE_CLASS | 0x09)
96 
97 /* Descriptor sizes per descriptor type */
98 #define USB_DT_DEVICE_SIZE      18
99 #define USB_DT_CONFIG_SIZE      9
100 #define USB_DT_INTERFACE_SIZE   9
101 #define USB_DT_ENDPOINT_SIZE    7
102 #define USB_DT_ENDPOINT_AUDIO_SIZE  9	/* Audio extension */
103 #define USB_DT_HUB_NONVAR_SIZE  7
104 #define USB_DT_HID_SIZE         9
105 
106 /* Endpoints */
107 #define USB_ENDPOINT_NUMBER_MASK  0x0f	/* in bEndpointAddress */
108 #define USB_ENDPOINT_DIR_MASK     0x80
109 
110 #define USB_ENDPOINT_XFERTYPE_MASK 0x03	/* in bmAttributes */
111 #define USB_ENDPOINT_XFER_CONTROL  0
112 #define USB_ENDPOINT_XFER_ISOC     1
113 #define USB_ENDPOINT_XFER_BULK     2
114 #define USB_ENDPOINT_XFER_INT      3
115 
116 /* USB Packet IDs (PIDs) */
117 #define USB_PID_UNDEF_0             0xf0
118 #define USB_PID_OUT                 0xe1
119 #define USB_PID_ACK                 0xd2
120 #define USB_PID_DATA0               0xc3
121 #define USB_PID_UNDEF_4             0xb4
122 #define USB_PID_SOF                 0xa5
123 #define USB_PID_UNDEF_6             0x96
124 #define USB_PID_UNDEF_7             0x87
125 #define USB_PID_UNDEF_8             0x78
126 #define USB_PID_IN                  0x69
127 #define USB_PID_NAK                 0x5a
128 #define USB_PID_DATA1               0x4b
129 #define USB_PID_PREAMBLE            0x3c
130 #define USB_PID_SETUP               0x2d
131 #define USB_PID_STALL               0x1e
132 #define USB_PID_UNDEF_F             0x0f
133 
134 /* Standard requests */
135 #define USB_REQ_GET_STATUS          0x00
136 #define USB_REQ_CLEAR_FEATURE       0x01
137 #define USB_REQ_SET_FEATURE         0x03
138 #define USB_REQ_SET_ADDRESS         0x05
139 #define USB_REQ_GET_DESCRIPTOR      0x06
140 #define USB_REQ_SET_DESCRIPTOR      0x07
141 #define USB_REQ_GET_CONFIGURATION   0x08
142 #define USB_REQ_SET_CONFIGURATION   0x09
143 #define USB_REQ_GET_INTERFACE       0x0A
144 #define USB_REQ_SET_INTERFACE       0x0B
145 #define USB_REQ_SYNCH_FRAME         0x0C
146 
147 /* HID requests */
148 #define USB_REQ_GET_REPORT          0x01
149 #define USB_REQ_GET_IDLE            0x02
150 #define USB_REQ_GET_PROTOCOL        0x03
151 #define USB_REQ_SET_REPORT          0x09
152 #define USB_REQ_SET_IDLE            0x0A
153 #define USB_REQ_SET_PROTOCOL        0x0B
154 
155 /* Device features */
156 #define USB_FEAT_HALT               0x00
157 #define USB_FEAT_WAKEUP             0x01
158 #define USB_FEAT_TEST               0x02
159 
160 /* Test modes */
161 #define USB_TEST_MODE_J             0x01
162 #define USB_TEST_MODE_K             0x02
163 #define USB_TEST_MODE_SE0_NAK       0x03
164 #define USB_TEST_MODE_PACKET        0x04
165 #define USB_TEST_MODE_FORCE_ENABLE  0x05
166 
167 
168 /*
169  * "pipe" definitions, use unsigned so we can compare reliably, since this
170  * value is shifted up to bits 30/31.
171  */
172 #define PIPE_ISOCHRONOUS    0U
173 #define PIPE_INTERRUPT      1U
174 #define PIPE_CONTROL        2U
175 #define PIPE_BULK           3U
176 #define PIPE_DEVEP_MASK     0x0007ff00
177 
178 #define USB_ISOCHRONOUS    0
179 #define USB_INTERRUPT      1
180 #define USB_CONTROL        2
181 #define USB_BULK           3
182 
183 #define USB_PIPE_TYPE_SHIFT	30
184 #define USB_PIPE_TYPE_MASK	(3 << USB_PIPE_TYPE_SHIFT)
185 
186 #define USB_PIPE_DEV_SHIFT	8
187 #define USB_PIPE_DEV_MASK	(0x7f << USB_PIPE_DEV_SHIFT)
188 
189 #define USB_PIPE_EP_SHIFT	15
190 #define USB_PIPE_EP_MASK	(0xf << USB_PIPE_EP_SHIFT)
191 
192 /* USB-status codes: */
193 #define USB_ST_ACTIVE           0x1		/* TD is active */
194 #define USB_ST_STALLED          0x2		/* TD is stalled */
195 #define USB_ST_BUF_ERR          0x4		/* buffer error */
196 #define USB_ST_BABBLE_DET       0x8		/* Babble detected */
197 #define USB_ST_NAK_REC          0x10	/* NAK Received*/
198 #define USB_ST_CRC_ERR          0x20	/* CRC/timeout Error */
199 #define USB_ST_BIT_ERR          0x40	/* Bitstuff error */
200 #define USB_ST_NOT_PROC         0x80000000L	/* Not yet processed */
201 
202 
203 /*************************************************************************
204  * Hub defines
205  */
206 
207 /*
208  * Hub request types
209  */
210 
211 #define USB_RT_HUB	(USB_TYPE_CLASS | USB_RECIP_DEVICE)
212 #define USB_RT_PORT	(USB_TYPE_CLASS | USB_RECIP_OTHER)
213 
214 /*
215  * Hub Class feature numbers
216  */
217 #define C_HUB_LOCAL_POWER   0
218 #define C_HUB_OVER_CURRENT  1
219 
220 /*
221  * Port feature numbers
222  */
223 #define USB_PORT_FEAT_CONNECTION     0
224 #define USB_PORT_FEAT_ENABLE         1
225 #define USB_PORT_FEAT_SUSPEND        2
226 #define USB_PORT_FEAT_OVER_CURRENT   3
227 #define USB_PORT_FEAT_RESET          4
228 #define USB_PORT_FEAT_POWER          8
229 #define USB_PORT_FEAT_LOWSPEED       9
230 #define USB_PORT_FEAT_HIGHSPEED      10
231 #define USB_PORT_FEAT_C_CONNECTION   16
232 #define USB_PORT_FEAT_C_ENABLE       17
233 #define USB_PORT_FEAT_C_SUSPEND      18
234 #define USB_PORT_FEAT_C_OVER_CURRENT 19
235 #define USB_PORT_FEAT_C_RESET        20
236 #define USB_PORT_FEAT_TEST           21
237 
238 /*
239  * Changes to Port feature numbers for Super speed,
240  * from USB 3.0 spec Table 10-8
241  */
242 #define USB_SS_PORT_FEAT_U1_TIMEOUT	23
243 #define USB_SS_PORT_FEAT_U2_TIMEOUT	24
244 #define USB_SS_PORT_FEAT_C_LINK_STATE	25
245 #define USB_SS_PORT_FEAT_C_CONFIG_ERROR	26
246 #define USB_SS_PORT_FEAT_BH_RESET	28
247 #define USB_SS_PORT_FEAT_C_BH_RESET	29
248 
249 /* wPortStatus bits */
250 #define USB_PORT_STAT_CONNECTION    0x0001
251 #define USB_PORT_STAT_ENABLE        0x0002
252 #define USB_PORT_STAT_SUSPEND       0x0004
253 #define USB_PORT_STAT_OVERCURRENT   0x0008
254 #define USB_PORT_STAT_RESET         0x0010
255 #define USB_PORT_STAT_POWER         0x0100
256 #define USB_PORT_STAT_LOW_SPEED     0x0200
257 #define USB_PORT_STAT_HIGH_SPEED    0x0400	/* support for EHCI */
258 #define USB_PORT_STAT_SUPER_SPEED   0x0600	/* faking support to XHCI */
259 #define USB_PORT_STAT_SPEED_MASK	\
260 	(USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED)
261 
262 /*
263  * Changes to wPortStatus bit field in USB 3.0
264  * See USB 3.0 spec Table 10-11
265  */
266 #define USB_SS_PORT_STAT_LINK_STATE	0x01e0
267 #define USB_SS_PORT_STAT_POWER		0x0200
268 #define USB_SS_PORT_STAT_SPEED		0x1c00
269 #define USB_SS_PORT_STAT_SPEED_5GBPS	0x0000
270 
271 /* wPortChange bits */
272 #define USB_PORT_STAT_C_CONNECTION  0x0001
273 #define USB_PORT_STAT_C_ENABLE      0x0002
274 #define USB_PORT_STAT_C_SUSPEND     0x0004
275 #define USB_PORT_STAT_C_OVERCURRENT 0x0008
276 #define USB_PORT_STAT_C_RESET       0x0010
277 
278 /*
279  * Changes to wPortChange bit fields in USB 3.0
280  * See USB 3.0 spec Table 10-12
281  */
282 #define USB_SS_PORT_STAT_C_BH_RESET	0x0020
283 #define USB_SS_PORT_STAT_C_LINK_STATE	0x0040
284 #define USB_SS_PORT_STAT_C_CONFIG_ERROR	0x0080
285 
286 /* wHubCharacteristics (masks) */
287 #define HUB_CHAR_LPSM               0x0003
288 #define HUB_CHAR_COMPOUND           0x0004
289 #define HUB_CHAR_OCPM               0x0018
290 
291 /*
292  * Hub Status & Hub Change bit masks
293  */
294 #define HUB_STATUS_LOCAL_POWER	0x0001
295 #define HUB_STATUS_OVERCURRENT	0x0002
296 
297 #define HUB_CHANGE_LOCAL_POWER	0x0001
298 #define HUB_CHANGE_OVERCURRENT	0x0002
299 
300 /* Mask for wIndex in get/set port feature */
301 #define USB_HUB_PORT_MASK	0xf
302 
303 /*
304  * CBI style
305  */
306 
307 #define US_CBI_ADSC		0
308 
309 /* Command Block Wrapper */
310 struct umass_bbb_cbw {
311 	__u32		dCBWSignature;
312 #	define CBWSIGNATURE	0x43425355
313 	__u32		dCBWTag;
314 	__u32		dCBWDataTransferLength;
315 	__u8		bCBWFlags;
316 #	define CBWFLAGS_OUT	0x00
317 #	define CBWFLAGS_IN	0x80
318 #	define CBWFLAGS_SBZ	0x7f
319 	__u8		bCBWLUN;
320 	__u8		bCDBLength;
321 #	define CBWCDBLENGTH	16
322 	__u8		CBWCDB[CBWCDBLENGTH];
323 };
324 #define UMASS_BBB_CBW_SIZE	31
325 
326 /* Command Status Wrapper */
327 struct umass_bbb_csw {
328 	__u32		dCSWSignature;
329 #	define CSWSIGNATURE	0x53425355
330 	__u32		dCSWTag;
331 	__u32		dCSWDataResidue;
332 	__u8		bCSWStatus;
333 #	define CSWSTATUS_GOOD	0x0
334 #	define CSWSTATUS_FAILED 0x1
335 #	define CSWSTATUS_PHASE	0x2
336 };
337 #define UMASS_BBB_CSW_SIZE	13
338 
339 /*
340  * BULK only
341  */
342 #define US_BBB_RESET		0xff
343 #define US_BBB_GET_MAX_LUN	0xfe
344 
345 #endif /*_USB_DEFS_H_ */
346