1 /* SPDX-License-Identifier: GPL-2.0+ */
4 * Denis Peter, MPL AG Switzerland
6 * Note: Part of this code has been derived from linux
13 /* Device and/or Interface Class codes */
14 #define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */
15 #define USB_CLASS_AUDIO 1
16 #define USB_CLASS_COMM 2
17 #define USB_CLASS_HID 3
18 #define USB_CLASS_PRINTER 7
19 #define USB_CLASS_MASS_STORAGE 8
20 #define USB_CLASS_HUB 9
21 #define USB_CLASS_DATA 10
22 #define USB_CLASS_VENDOR_SPEC 0xff
24 /* some HID sub classes */
25 #define USB_SUB_HID_NONE 0
26 #define USB_SUB_HID_BOOT 1
28 /* some UID Protocols */
29 #define USB_PROT_HID_NONE 0
30 #define USB_PROT_HID_KEYBOARD 1
31 #define USB_PROT_HID_MOUSE 2
34 /* Sub STORAGE Classes */
35 #define US_SC_RBC 1 /* Typically, flash devices */
36 #define US_SC_8020 2 /* CD-ROM */
37 #define US_SC_QIC 3 /* QIC-157 Tapes */
38 #define US_SC_UFI 4 /* Floppy */
39 #define US_SC_8070 5 /* Removable media */
40 #define US_SC_SCSI 6 /* Transparent */
41 #define US_SC_MIN US_SC_RBC
42 #define US_SC_MAX US_SC_SCSI
44 /* STORAGE Protocols */
45 #define US_PR_CB 1 /* Control/Bulk w/o interrupt */
46 #define US_PR_CBI 0 /* Control/Bulk/Interrupt */
47 #define US_PR_BULK 0x50 /* bulk only */
50 #define USB_TYPE_STANDARD (0x00 << 5)
51 #define USB_TYPE_CLASS (0x01 << 5)
52 #define USB_TYPE_VENDOR (0x02 << 5)
53 #define USB_TYPE_RESERVED (0x03 << 5)
56 #define USB_RECIP_DEVICE 0x00
57 #define USB_RECIP_INTERFACE 0x01
58 #define USB_RECIP_ENDPOINT 0x02
59 #define USB_RECIP_OTHER 0x03
63 #define USB_DIR_IN 0x80
66 * bmRequestType: USB Device Requests, table 9.2 USB 2.0 spec.
67 * (shifted) direction/type/recipient.
69 #define DeviceRequest \
70 ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8)
72 #define DeviceOutRequest \
73 ((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8)
75 #define InterfaceRequest \
76 ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
78 #define EndpointRequest \
79 ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
81 #define EndpointOutRequest \
82 ((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
84 /* class requests from the USB 2.0 hub spec, table 11-15 */
85 #define HUB_CLASS_REQ(dir, type, request) ((((dir) | (type)) << 8) | (request))
86 /* GetBusState and SetHubDescriptor are optional, omitted */
87 #define ClearHubFeature HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_HUB, \
88 USB_REQ_CLEAR_FEATURE)
89 #define ClearPortFeature HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, \
90 USB_REQ_CLEAR_FEATURE)
91 #define GetHubDescriptor HUB_CLASS_REQ(USB_DIR_IN, USB_RT_HUB, \
92 USB_REQ_GET_DESCRIPTOR)
93 #define GetHubStatus HUB_CLASS_REQ(USB_DIR_IN, USB_RT_HUB, \
95 #define GetPortStatus HUB_CLASS_REQ(USB_DIR_IN, USB_RT_PORT, \
97 #define SetHubFeature HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_HUB, \
99 #define SetPortFeature HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, \
101 #define ClearTTBuffer HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, \
103 #define ResetTT HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, \
105 #define GetTTState HUB_CLASS_REQ(USB_DIR_IN, USB_RT_PORT, \
107 #define StopTT HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, \
110 /* Descriptor types */
111 #define USB_DT_DEVICE 0x01
112 #define USB_DT_CONFIG 0x02
113 #define USB_DT_STRING 0x03
114 #define USB_DT_INTERFACE 0x04
115 #define USB_DT_ENDPOINT 0x05
117 #define USB_DT_HID (USB_TYPE_CLASS | 0x01)
118 #define USB_DT_REPORT (USB_TYPE_CLASS | 0x02)
119 #define USB_DT_PHYSICAL (USB_TYPE_CLASS | 0x03)
120 #define USB_DT_HUB (USB_TYPE_CLASS | 0x09)
121 #define USB_DT_SS_HUB (USB_TYPE_CLASS | 0x0a)
123 /* Descriptor sizes per descriptor type */
124 #define USB_DT_DEVICE_SIZE 18
125 #define USB_DT_CONFIG_SIZE 9
126 #define USB_DT_INTERFACE_SIZE 9
127 #define USB_DT_ENDPOINT_SIZE 7
128 #define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */
129 #define USB_DT_HUB_NONVAR_SIZE 7
130 #define USB_DT_HID_SIZE 9
133 #define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */
134 #define USB_ENDPOINT_DIR_MASK 0x80
136 #define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */
137 #define USB_ENDPOINT_XFER_CONTROL 0
138 #define USB_ENDPOINT_XFER_ISOC 1
139 #define USB_ENDPOINT_XFER_BULK 2
140 #define USB_ENDPOINT_XFER_INT 3
142 /* USB Packet IDs (PIDs) */
143 #define USB_PID_UNDEF_0 0xf0
144 #define USB_PID_OUT 0xe1
145 #define USB_PID_ACK 0xd2
146 #define USB_PID_DATA0 0xc3
147 #define USB_PID_UNDEF_4 0xb4
148 #define USB_PID_SOF 0xa5
149 #define USB_PID_UNDEF_6 0x96
150 #define USB_PID_UNDEF_7 0x87
151 #define USB_PID_UNDEF_8 0x78
152 #define USB_PID_IN 0x69
153 #define USB_PID_NAK 0x5a
154 #define USB_PID_DATA1 0x4b
155 #define USB_PID_PREAMBLE 0x3c
156 #define USB_PID_SETUP 0x2d
157 #define USB_PID_STALL 0x1e
158 #define USB_PID_UNDEF_F 0x0f
160 /* Standard requests */
161 #define USB_REQ_GET_STATUS 0x00
162 #define USB_REQ_CLEAR_FEATURE 0x01
163 #define USB_REQ_SET_FEATURE 0x03
164 #define USB_REQ_SET_ADDRESS 0x05
165 #define USB_REQ_GET_DESCRIPTOR 0x06
166 #define USB_REQ_SET_DESCRIPTOR 0x07
167 #define USB_REQ_GET_CONFIGURATION 0x08
168 #define USB_REQ_SET_CONFIGURATION 0x09
169 #define USB_REQ_GET_INTERFACE 0x0A
170 #define USB_REQ_SET_INTERFACE 0x0B
171 #define USB_REQ_SYNCH_FRAME 0x0C
174 #define USB_REQ_GET_REPORT 0x01
175 #define USB_REQ_GET_IDLE 0x02
176 #define USB_REQ_GET_PROTOCOL 0x03
177 #define USB_REQ_SET_REPORT 0x09
178 #define USB_REQ_SET_IDLE 0x0A
179 #define USB_REQ_SET_PROTOCOL 0x0B
181 /* Device features */
182 #define USB_FEAT_HALT 0x00
183 #define USB_FEAT_WAKEUP 0x01
184 #define USB_FEAT_TEST 0x02
187 #define USB_TEST_MODE_J 0x01
188 #define USB_TEST_MODE_K 0x02
189 #define USB_TEST_MODE_SE0_NAK 0x03
190 #define USB_TEST_MODE_PACKET 0x04
191 #define USB_TEST_MODE_FORCE_ENABLE 0x05
195 * "pipe" definitions, use unsigned so we can compare reliably, since this
196 * value is shifted up to bits 30/31.
198 #define PIPE_ISOCHRONOUS 0U
199 #define PIPE_INTERRUPT 1U
200 #define PIPE_CONTROL 2U
202 #define PIPE_DEVEP_MASK 0x0007ff00
204 #define USB_ISOCHRONOUS 0
205 #define USB_INTERRUPT 1
206 #define USB_CONTROL 2
209 #define USB_PIPE_TYPE_SHIFT 30
210 #define USB_PIPE_TYPE_MASK (3 << USB_PIPE_TYPE_SHIFT)
212 #define USB_PIPE_DEV_SHIFT 8
213 #define USB_PIPE_DEV_MASK (0x7f << USB_PIPE_DEV_SHIFT)
215 #define USB_PIPE_EP_SHIFT 15
216 #define USB_PIPE_EP_MASK (0xf << USB_PIPE_EP_SHIFT)
218 /* USB-status codes: */
219 #define USB_ST_ACTIVE 0x1 /* TD is active */
220 #define USB_ST_STALLED 0x2 /* TD is stalled */
221 #define USB_ST_BUF_ERR 0x4 /* buffer error */
222 #define USB_ST_BABBLE_DET 0x8 /* Babble detected */
223 #define USB_ST_NAK_REC 0x10 /* NAK Received*/
224 #define USB_ST_CRC_ERR 0x20 /* CRC/timeout Error */
225 #define USB_ST_BIT_ERR 0x40 /* Bitstuff error */
226 #define USB_ST_NOT_PROC 0x80000000L /* Not yet processed */
229 /*************************************************************************
237 #define USB_RT_HUB (USB_TYPE_CLASS | USB_RECIP_DEVICE)
238 #define USB_RT_PORT (USB_TYPE_CLASS | USB_RECIP_OTHER)
241 * Hub Class feature numbers
243 #define C_HUB_LOCAL_POWER 0
244 #define C_HUB_OVER_CURRENT 1
247 * Port feature numbers
249 #define USB_PORT_FEAT_CONNECTION 0
250 #define USB_PORT_FEAT_ENABLE 1
251 #define USB_PORT_FEAT_SUSPEND 2
252 #define USB_PORT_FEAT_OVER_CURRENT 3
253 #define USB_PORT_FEAT_RESET 4
254 #define USB_PORT_FEAT_POWER 8
255 #define USB_PORT_FEAT_LOWSPEED 9
256 #define USB_PORT_FEAT_HIGHSPEED 10
257 #define USB_PORT_FEAT_C_CONNECTION 16
258 #define USB_PORT_FEAT_C_ENABLE 17
259 #define USB_PORT_FEAT_C_SUSPEND 18
260 #define USB_PORT_FEAT_C_OVER_CURRENT 19
261 #define USB_PORT_FEAT_C_RESET 20
262 #define USB_PORT_FEAT_TEST 21
265 * Changes to Port feature numbers for Super speed,
266 * from USB 3.0 spec Table 10-8
268 #define USB_SS_PORT_FEAT_U1_TIMEOUT 23
269 #define USB_SS_PORT_FEAT_U2_TIMEOUT 24
270 #define USB_SS_PORT_FEAT_C_LINK_STATE 25
271 #define USB_SS_PORT_FEAT_C_CONFIG_ERROR 26
272 #define USB_SS_PORT_FEAT_BH_RESET 28
273 #define USB_SS_PORT_FEAT_C_BH_RESET 29
275 /* wPortStatus bits */
276 #define USB_PORT_STAT_CONNECTION 0x0001
277 #define USB_PORT_STAT_ENABLE 0x0002
278 #define USB_PORT_STAT_SUSPEND 0x0004
279 #define USB_PORT_STAT_OVERCURRENT 0x0008
280 #define USB_PORT_STAT_RESET 0x0010
281 #define USB_PORT_STAT_POWER 0x0100
282 #define USB_PORT_STAT_LOW_SPEED 0x0200
283 #define USB_PORT_STAT_HIGH_SPEED 0x0400 /* support for EHCI */
284 #define USB_PORT_STAT_SUPER_SPEED 0x0600 /* faking support to XHCI */
285 #define USB_PORT_STAT_SPEED_MASK \
286 (USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED)
289 * Changes to wPortStatus bit field in USB 3.0
290 * See USB 3.0 spec Table 10-10
292 #define USB_SS_PORT_STAT_LINK_STATE 0x01e0
293 #define USB_SS_PORT_STAT_POWER 0x0200
294 #define USB_SS_PORT_STAT_SPEED 0x1c00
295 #define USB_SS_PORT_STAT_SPEED_5GBPS 0x0000
296 /* Bits that are the same from USB 2.0 */
297 #define USB_SS_PORT_STAT_MASK (USB_PORT_STAT_CONNECTION | \
298 USB_PORT_STAT_ENABLE | \
299 USB_PORT_STAT_OVERCURRENT | \
302 /* wPortChange bits */
303 #define USB_PORT_STAT_C_CONNECTION 0x0001
304 #define USB_PORT_STAT_C_ENABLE 0x0002
305 #define USB_PORT_STAT_C_SUSPEND 0x0004
306 #define USB_PORT_STAT_C_OVERCURRENT 0x0008
307 #define USB_PORT_STAT_C_RESET 0x0010
310 * Changes to wPortChange bit fields in USB 3.0
311 * See USB 3.0 spec Table 10-12
313 #define USB_SS_PORT_STAT_C_BH_RESET 0x0020
314 #define USB_SS_PORT_STAT_C_LINK_STATE 0x0040
315 #define USB_SS_PORT_STAT_C_CONFIG_ERROR 0x0080
317 /* wHubCharacteristics (masks) */
318 #define HUB_CHAR_COMMON_OCPM 0x0000 /* All ports Over-Current reporting */
319 #define HUB_CHAR_INDV_PORT_LPSM 0x0001 /* per-port power control */
320 #define HUB_CHAR_NO_LPSM 0x0002 /* no power switching */
321 #define HUB_CHAR_LPSM 0x0003
322 #define HUB_CHAR_COMPOUND 0x0004
323 #define HUB_CHAR_INDV_PORT_OCPM 0x0008 /* per-port Over-current reporting */
324 #define HUB_CHAR_NO_OCPM 0x0010 /* No Over-current Protection support */
325 #define HUB_CHAR_OCPM 0x0018
326 #define HUB_CHAR_TTTT 0x0060 /* TT Think Time mask */
327 #define HUB_CHAR_PORTIND 0x0080 /* per-port indicators (LEDs) */
330 * Hub Status & Hub Change bit masks
332 #define HUB_STATUS_LOCAL_POWER 0x0001
333 #define HUB_STATUS_OVERCURRENT 0x0002
335 #define HUB_CHANGE_LOCAL_POWER 0x0001
336 #define HUB_CHANGE_OVERCURRENT 0x0002
338 /* Mask for wIndex in get/set port feature */
339 #define USB_HUB_PORT_MASK 0xf
341 /* Hub class request codes */
342 #define USB_REQ_SET_HUB_DEPTH 0x0c
345 * As of USB 2.0, full/low speed devices are segregated into trees.
346 * One type grows from USB 1.1 host controllers (OHCI, UHCI etc).
347 * The other type grows from high speed hubs when they connect to
348 * full/low speed devices using "Transaction Translators" (TTs).
351 bool multi; /* true means one TT per port */
352 unsigned think_time; /* think time in ns */
359 #define US_CBI_ADSC 0
361 /* Command Block Wrapper */
362 struct umass_bbb_cbw {
364 # define CBWSIGNATURE 0x43425355
366 __u32 dCBWDataTransferLength;
368 # define CBWFLAGS_OUT 0x00
369 # define CBWFLAGS_IN 0x80
370 # define CBWFLAGS_SBZ 0x7f
373 # define CBWCDBLENGTH 16
374 __u8 CBWCDB[CBWCDBLENGTH];
376 #define UMASS_BBB_CBW_SIZE 31
378 /* Command Status Wrapper */
379 struct umass_bbb_csw {
381 # define CSWSIGNATURE 0x53425355
383 __u32 dCSWDataResidue;
385 # define CSWSTATUS_GOOD 0x0
386 # define CSWSTATUS_FAILED 0x1
387 # define CSWSTATUS_PHASE 0x2
389 #define UMASS_BBB_CSW_SIZE 13
394 #define US_BBB_RESET 0xff
395 #define US_BBB_GET_MAX_LUN 0xfe
397 #endif /*_USB_DEFS_H_ */