3 * Denis Peter, MPL AG Switzerland
5 * SPDX-License-Identifier: GPL-2.0+
7 * Note: Part of this code has been derived from linux
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
25 /* some HID sub classes */
26 #define USB_SUB_HID_NONE 0
27 #define USB_SUB_HID_BOOT 1
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
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
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 */
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)
57 #define USB_RECIP_DEVICE 0x00
58 #define USB_RECIP_INTERFACE 0x01
59 #define USB_RECIP_ENDPOINT 0x02
60 #define USB_RECIP_OTHER 0x03
64 #define USB_DIR_IN 0x80
67 * bmRequestType: USB Device Requests, table 9.2 USB 2.0 spec.
68 * (shifted) direction/type/recipient.
70 #define DeviceRequest \
71 ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8)
73 #define DeviceOutRequest \
74 ((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8)
76 #define InterfaceRequest \
77 ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
79 #define EndpointRequest \
80 ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
82 #define EndpointOutRequest \
83 ((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
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
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 #define USB_DT_SS_HUB (USB_TYPE_CLASS | 0x0a)
98 /* Descriptor sizes per descriptor type */
99 #define USB_DT_DEVICE_SIZE 18
100 #define USB_DT_CONFIG_SIZE 9
101 #define USB_DT_INTERFACE_SIZE 9
102 #define USB_DT_ENDPOINT_SIZE 7
103 #define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */
104 #define USB_DT_HUB_NONVAR_SIZE 7
105 #define USB_DT_HID_SIZE 9
108 #define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */
109 #define USB_ENDPOINT_DIR_MASK 0x80
111 #define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */
112 #define USB_ENDPOINT_XFER_CONTROL 0
113 #define USB_ENDPOINT_XFER_ISOC 1
114 #define USB_ENDPOINT_XFER_BULK 2
115 #define USB_ENDPOINT_XFER_INT 3
117 /* USB Packet IDs (PIDs) */
118 #define USB_PID_UNDEF_0 0xf0
119 #define USB_PID_OUT 0xe1
120 #define USB_PID_ACK 0xd2
121 #define USB_PID_DATA0 0xc3
122 #define USB_PID_UNDEF_4 0xb4
123 #define USB_PID_SOF 0xa5
124 #define USB_PID_UNDEF_6 0x96
125 #define USB_PID_UNDEF_7 0x87
126 #define USB_PID_UNDEF_8 0x78
127 #define USB_PID_IN 0x69
128 #define USB_PID_NAK 0x5a
129 #define USB_PID_DATA1 0x4b
130 #define USB_PID_PREAMBLE 0x3c
131 #define USB_PID_SETUP 0x2d
132 #define USB_PID_STALL 0x1e
133 #define USB_PID_UNDEF_F 0x0f
135 /* Standard requests */
136 #define USB_REQ_GET_STATUS 0x00
137 #define USB_REQ_CLEAR_FEATURE 0x01
138 #define USB_REQ_SET_FEATURE 0x03
139 #define USB_REQ_SET_ADDRESS 0x05
140 #define USB_REQ_GET_DESCRIPTOR 0x06
141 #define USB_REQ_SET_DESCRIPTOR 0x07
142 #define USB_REQ_GET_CONFIGURATION 0x08
143 #define USB_REQ_SET_CONFIGURATION 0x09
144 #define USB_REQ_GET_INTERFACE 0x0A
145 #define USB_REQ_SET_INTERFACE 0x0B
146 #define USB_REQ_SYNCH_FRAME 0x0C
149 #define USB_REQ_GET_REPORT 0x01
150 #define USB_REQ_GET_IDLE 0x02
151 #define USB_REQ_GET_PROTOCOL 0x03
152 #define USB_REQ_SET_REPORT 0x09
153 #define USB_REQ_SET_IDLE 0x0A
154 #define USB_REQ_SET_PROTOCOL 0x0B
156 /* Device features */
157 #define USB_FEAT_HALT 0x00
158 #define USB_FEAT_WAKEUP 0x01
159 #define USB_FEAT_TEST 0x02
162 #define USB_TEST_MODE_J 0x01
163 #define USB_TEST_MODE_K 0x02
164 #define USB_TEST_MODE_SE0_NAK 0x03
165 #define USB_TEST_MODE_PACKET 0x04
166 #define USB_TEST_MODE_FORCE_ENABLE 0x05
170 * "pipe" definitions, use unsigned so we can compare reliably, since this
171 * value is shifted up to bits 30/31.
173 #define PIPE_ISOCHRONOUS 0U
174 #define PIPE_INTERRUPT 1U
175 #define PIPE_CONTROL 2U
177 #define PIPE_DEVEP_MASK 0x0007ff00
179 #define USB_ISOCHRONOUS 0
180 #define USB_INTERRUPT 1
181 #define USB_CONTROL 2
184 #define USB_PIPE_TYPE_SHIFT 30
185 #define USB_PIPE_TYPE_MASK (3 << USB_PIPE_TYPE_SHIFT)
187 #define USB_PIPE_DEV_SHIFT 8
188 #define USB_PIPE_DEV_MASK (0x7f << USB_PIPE_DEV_SHIFT)
190 #define USB_PIPE_EP_SHIFT 15
191 #define USB_PIPE_EP_MASK (0xf << USB_PIPE_EP_SHIFT)
193 /* USB-status codes: */
194 #define USB_ST_ACTIVE 0x1 /* TD is active */
195 #define USB_ST_STALLED 0x2 /* TD is stalled */
196 #define USB_ST_BUF_ERR 0x4 /* buffer error */
197 #define USB_ST_BABBLE_DET 0x8 /* Babble detected */
198 #define USB_ST_NAK_REC 0x10 /* NAK Received*/
199 #define USB_ST_CRC_ERR 0x20 /* CRC/timeout Error */
200 #define USB_ST_BIT_ERR 0x40 /* Bitstuff error */
201 #define USB_ST_NOT_PROC 0x80000000L /* Not yet processed */
204 /*************************************************************************
212 #define USB_RT_HUB (USB_TYPE_CLASS | USB_RECIP_DEVICE)
213 #define USB_RT_PORT (USB_TYPE_CLASS | USB_RECIP_OTHER)
216 * Hub Class feature numbers
218 #define C_HUB_LOCAL_POWER 0
219 #define C_HUB_OVER_CURRENT 1
222 * Port feature numbers
224 #define USB_PORT_FEAT_CONNECTION 0
225 #define USB_PORT_FEAT_ENABLE 1
226 #define USB_PORT_FEAT_SUSPEND 2
227 #define USB_PORT_FEAT_OVER_CURRENT 3
228 #define USB_PORT_FEAT_RESET 4
229 #define USB_PORT_FEAT_POWER 8
230 #define USB_PORT_FEAT_LOWSPEED 9
231 #define USB_PORT_FEAT_HIGHSPEED 10
232 #define USB_PORT_FEAT_C_CONNECTION 16
233 #define USB_PORT_FEAT_C_ENABLE 17
234 #define USB_PORT_FEAT_C_SUSPEND 18
235 #define USB_PORT_FEAT_C_OVER_CURRENT 19
236 #define USB_PORT_FEAT_C_RESET 20
237 #define USB_PORT_FEAT_TEST 21
240 * Changes to Port feature numbers for Super speed,
241 * from USB 3.0 spec Table 10-8
243 #define USB_SS_PORT_FEAT_U1_TIMEOUT 23
244 #define USB_SS_PORT_FEAT_U2_TIMEOUT 24
245 #define USB_SS_PORT_FEAT_C_LINK_STATE 25
246 #define USB_SS_PORT_FEAT_C_CONFIG_ERROR 26
247 #define USB_SS_PORT_FEAT_BH_RESET 28
248 #define USB_SS_PORT_FEAT_C_BH_RESET 29
250 /* wPortStatus bits */
251 #define USB_PORT_STAT_CONNECTION 0x0001
252 #define USB_PORT_STAT_ENABLE 0x0002
253 #define USB_PORT_STAT_SUSPEND 0x0004
254 #define USB_PORT_STAT_OVERCURRENT 0x0008
255 #define USB_PORT_STAT_RESET 0x0010
256 #define USB_PORT_STAT_POWER 0x0100
257 #define USB_PORT_STAT_LOW_SPEED 0x0200
258 #define USB_PORT_STAT_HIGH_SPEED 0x0400 /* support for EHCI */
259 #define USB_PORT_STAT_SUPER_SPEED 0x0600 /* faking support to XHCI */
260 #define USB_PORT_STAT_SPEED_MASK \
261 (USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED)
264 * Changes to wPortStatus bit field in USB 3.0
265 * See USB 3.0 spec Table 10-10
267 #define USB_SS_PORT_STAT_LINK_STATE 0x01e0
268 #define USB_SS_PORT_STAT_POWER 0x0200
269 #define USB_SS_PORT_STAT_SPEED 0x1c00
270 #define USB_SS_PORT_STAT_SPEED_5GBPS 0x0000
271 /* Bits that are the same from USB 2.0 */
272 #define USB_SS_PORT_STAT_MASK (USB_PORT_STAT_CONNECTION | \
273 USB_PORT_STAT_ENABLE | \
274 USB_PORT_STAT_OVERCURRENT | \
277 /* wPortChange bits */
278 #define USB_PORT_STAT_C_CONNECTION 0x0001
279 #define USB_PORT_STAT_C_ENABLE 0x0002
280 #define USB_PORT_STAT_C_SUSPEND 0x0004
281 #define USB_PORT_STAT_C_OVERCURRENT 0x0008
282 #define USB_PORT_STAT_C_RESET 0x0010
285 * Changes to wPortChange bit fields in USB 3.0
286 * See USB 3.0 spec Table 10-12
288 #define USB_SS_PORT_STAT_C_BH_RESET 0x0020
289 #define USB_SS_PORT_STAT_C_LINK_STATE 0x0040
290 #define USB_SS_PORT_STAT_C_CONFIG_ERROR 0x0080
292 /* wHubCharacteristics (masks) */
293 #define HUB_CHAR_LPSM 0x0003
294 #define HUB_CHAR_COMPOUND 0x0004
295 #define HUB_CHAR_OCPM 0x0018
296 #define HUB_CHAR_TTTT 0x0060 /* TT Think Time mask */
299 * Hub Status & Hub Change bit masks
301 #define HUB_STATUS_LOCAL_POWER 0x0001
302 #define HUB_STATUS_OVERCURRENT 0x0002
304 #define HUB_CHANGE_LOCAL_POWER 0x0001
305 #define HUB_CHANGE_OVERCURRENT 0x0002
307 /* Mask for wIndex in get/set port feature */
308 #define USB_HUB_PORT_MASK 0xf
310 /* Hub class request codes */
311 #define USB_REQ_SET_HUB_DEPTH 0x0c
314 * As of USB 2.0, full/low speed devices are segregated into trees.
315 * One type grows from USB 1.1 host controllers (OHCI, UHCI etc).
316 * The other type grows from high speed hubs when they connect to
317 * full/low speed devices using "Transaction Translators" (TTs).
320 bool multi; /* true means one TT per port */
321 unsigned think_time; /* think time in ns */
328 #define US_CBI_ADSC 0
330 /* Command Block Wrapper */
331 struct umass_bbb_cbw {
333 # define CBWSIGNATURE 0x43425355
335 __u32 dCBWDataTransferLength;
337 # define CBWFLAGS_OUT 0x00
338 # define CBWFLAGS_IN 0x80
339 # define CBWFLAGS_SBZ 0x7f
342 # define CBWCDBLENGTH 16
343 __u8 CBWCDB[CBWCDBLENGTH];
345 #define UMASS_BBB_CBW_SIZE 31
347 /* Command Status Wrapper */
348 struct umass_bbb_csw {
350 # define CSWSIGNATURE 0x53425355
352 __u32 dCSWDataResidue;
354 # define CSWSTATUS_GOOD 0x0
355 # define CSWSTATUS_FAILED 0x1
356 # define CSWSTATUS_PHASE 0x2
358 #define UMASS_BBB_CSW_SIZE 13
363 #define US_BBB_RESET 0xff
364 #define US_BBB_GET_MAX_LUN 0xfe
366 #endif /*_USB_DEFS_H_ */