Merge remote-tracking branch 'regulator/fix/core' into regulator-linus
[linux-2.6-block.git] / include / uapi / linux / usb / cdc.h
CommitLineData
1da177e4
LT
1/*
2 * USB Communications Device Class (CDC) definitions
3 *
4 * CDC says how to talk to lots of different types of network adapters,
5 * notably ethernet adapters and various modems. It's used mostly with
6 * firmware based USB peripherals.
7 */
8
dda43a0e
RD
9#ifndef __LINUX_USB_CDC_H
10#define __LINUX_USB_CDC_H
11
d8151585
JSR
12#include <linux/types.h>
13
1da177e4
LT
14#define USB_CDC_SUBCLASS_ACM 0x02
15#define USB_CDC_SUBCLASS_ETHERNET 0x06
16#define USB_CDC_SUBCLASS_WHCM 0x08
17#define USB_CDC_SUBCLASS_DMM 0x09
18#define USB_CDC_SUBCLASS_MDLM 0x0a
19#define USB_CDC_SUBCLASS_OBEX 0x0b
9f722c09 20#define USB_CDC_SUBCLASS_EEM 0x0c
01154aa7 21#define USB_CDC_SUBCLASS_NCM 0x0d
51615edd 22#define USB_CDC_SUBCLASS_MBIM 0x0e
1da177e4
LT
23
24#define USB_CDC_PROTO_NONE 0
25
26#define USB_CDC_ACM_PROTO_AT_V25TER 1
27#define USB_CDC_ACM_PROTO_AT_PCCA101 2
28#define USB_CDC_ACM_PROTO_AT_PCCA101_WAKE 3
29#define USB_CDC_ACM_PROTO_AT_GSM 4
30#define USB_CDC_ACM_PROTO_AT_3G 5
31#define USB_CDC_ACM_PROTO_AT_CDMA 6
32#define USB_CDC_ACM_PROTO_VENDOR 0xff
33
9f722c09
OL
34#define USB_CDC_PROTO_EEM 7
35
e5dcd531 36#define USB_CDC_NCM_PROTO_NTB 1
51615edd 37#define USB_CDC_MBIM_PROTO_NTB 2
e5dcd531 38
1da177e4
LT
39/*-------------------------------------------------------------------------*/
40
41/*
42 * Class-Specific descriptors ... there are a couple dozen of them
43 */
44
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GKH
45#define USB_CDC_HEADER_TYPE 0x00 /* header_desc */
46#define USB_CDC_CALL_MANAGEMENT_TYPE 0x01 /* call_mgmt_descriptor */
47#define USB_CDC_ACM_TYPE 0x02 /* acm_descriptor */
48#define USB_CDC_UNION_TYPE 0x06 /* union_desc */
1da177e4 49#define USB_CDC_COUNTRY_TYPE 0x07
41dceed5
GKH
50#define USB_CDC_NETWORK_TERMINAL_TYPE 0x0a /* network_terminal_desc */
51#define USB_CDC_ETHERNET_TYPE 0x0f /* ether_desc */
1da177e4 52#define USB_CDC_WHCM_TYPE 0x11
41dceed5
GKH
53#define USB_CDC_MDLM_TYPE 0x12 /* mdlm_desc */
54#define USB_CDC_MDLM_DETAIL_TYPE 0x13 /* mdlm_detail_desc */
1da177e4
LT
55#define USB_CDC_DMM_TYPE 0x14
56#define USB_CDC_OBEX_TYPE 0x15
01154aa7 57#define USB_CDC_NCM_TYPE 0x1a
51615edd 58#define USB_CDC_MBIM_TYPE 0x1b
bfe9b3f8 59#define USB_CDC_MBIM_EXTENDED_TYPE 0x1c
1da177e4
LT
60
61/* "Header Functional Descriptor" from CDC spec 5.2.3.1 */
62struct usb_cdc_header_desc {
63 __u8 bLength;
64 __u8 bDescriptorType;
65 __u8 bDescriptorSubType;
66
67 __le16 bcdCDC;
68} __attribute__ ((packed));
69
70/* "Call Management Descriptor" from CDC spec 5.2.3.2 */
71struct usb_cdc_call_mgmt_descriptor {
72 __u8 bLength;
73 __u8 bDescriptorType;
74 __u8 bDescriptorSubType;
75
76 __u8 bmCapabilities;
77#define USB_CDC_CALL_MGMT_CAP_CALL_MGMT 0x01
78#define USB_CDC_CALL_MGMT_CAP_DATA_INTF 0x02
79
80 __u8 bDataInterface;
81} __attribute__ ((packed));
82
83/* "Abstract Control Management Descriptor" from CDC spec 5.2.3.3 */
84struct usb_cdc_acm_descriptor {
85 __u8 bLength;
86 __u8 bDescriptorType;
87 __u8 bDescriptorSubType;
88
89 __u8 bmCapabilities;
90} __attribute__ ((packed));
91
ca79b7b4
ON
92/* capabilities from 5.2.3.3 */
93
94#define USB_CDC_COMM_FEATURE 0x01
95#define USB_CDC_CAP_LINE 0x02
3a9dda76 96#define USB_CDC_CAP_BRK 0x04
ca79b7b4
ON
97#define USB_CDC_CAP_NOTIFY 0x08
98
1da177e4
LT
99/* "Union Functional Descriptor" from CDC spec 5.2.3.8 */
100struct usb_cdc_union_desc {
101 __u8 bLength;
102 __u8 bDescriptorType;
103 __u8 bDescriptorSubType;
104
105 __u8 bMasterInterface0;
106 __u8 bSlaveInterface0;
107 /* ... and there could be other slave interfaces */
108} __attribute__ ((packed));
109
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ON
110/* "Country Selection Functional Descriptor" from CDC spec 5.2.3.9 */
111struct usb_cdc_country_functional_desc {
112 __u8 bLength;
113 __u8 bDescriptorType;
114 __u8 bDescriptorSubType;
115
116 __u8 iCountryCodeRelDate;
117 __le16 wCountyCode0;
118 /* ... and there can be a lot of country codes */
119} __attribute__ ((packed));
120
00ab997d 121/* "Network Channel Terminal Functional Descriptor" from CDC spec 5.2.3.11 */
122struct usb_cdc_network_terminal_desc {
123 __u8 bLength;
124 __u8 bDescriptorType;
125 __u8 bDescriptorSubType;
126
127 __u8 bEntityId;
128 __u8 iName;
129 __u8 bChannelIndex;
130 __u8 bPhysicalInterface;
131} __attribute__ ((packed));
132
1da177e4
LT
133/* "Ethernet Networking Functional Descriptor" from CDC spec 5.2.3.16 */
134struct usb_cdc_ether_desc {
135 __u8 bLength;
136 __u8 bDescriptorType;
137 __u8 bDescriptorSubType;
138
139 __u8 iMACAddress;
140 __le32 bmEthernetStatistics;
141 __le16 wMaxSegmentSize;
142 __le16 wNumberMCFilters;
143 __u8 bNumberPowerFilters;
144} __attribute__ ((packed));
145
afba937e
ON
146/* "Telephone Control Model Functional Descriptor" from CDC WMC spec 6.3..3 */
147struct usb_cdc_dmm_desc {
148 __u8 bFunctionLength;
149 __u8 bDescriptorType;
150 __u8 bDescriptorSubtype;
151 __u16 bcdVersion;
152 __le16 wMaxCommand;
153} __attribute__ ((packed));
154
1da177e4
LT
155/* "MDLM Functional Descriptor" from CDC WMC spec 6.7.2.3 */
156struct usb_cdc_mdlm_desc {
157 __u8 bLength;
158 __u8 bDescriptorType;
159 __u8 bDescriptorSubType;
160
161 __le16 bcdVersion;
162 __u8 bGUID[16];
163} __attribute__ ((packed));
164
165/* "MDLM Detail Functional Descriptor" from CDC WMC spec 6.7.2.4 */
166struct usb_cdc_mdlm_detail_desc {
167 __u8 bLength;
168 __u8 bDescriptorType;
169 __u8 bDescriptorSubType;
170
171 /* type is associated with mdlm_desc.bGUID */
172 __u8 bGuidDescriptorType;
84d79cb8 173 __u8 bDetailData[0];
1da177e4
LT
174} __attribute__ ((packed));
175
3086775a
FB
176/* "OBEX Control Model Functional Descriptor" */
177struct usb_cdc_obex_desc {
178 __u8 bLength;
179 __u8 bDescriptorType;
180 __u8 bDescriptorSubType;
181
182 __le16 bcdVersion;
183} __attribute__ ((packed));
184
01154aa7
YK
185/* "NCM Control Model Functional Descriptor" */
186struct usb_cdc_ncm_desc {
187 __u8 bLength;
188 __u8 bDescriptorType;
189 __u8 bDescriptorSubType;
190
191 __le16 bcdNcmVersion;
192 __u8 bmNetworkCapabilities;
193} __attribute__ ((packed));
51615edd
GS
194
195/* "MBIM Control Model Functional Descriptor" */
196struct usb_cdc_mbim_desc {
197 __u8 bLength;
198 __u8 bDescriptorType;
199 __u8 bDescriptorSubType;
200
201 __le16 bcdMBIMVersion;
202 __le16 wMaxControlMessage;
203 __u8 bNumberFilters;
204 __u8 bMaxFilterSize;
205 __le16 wMaxSegmentSize;
206 __u8 bmNetworkCapabilities;
207} __attribute__ ((packed));
208
bfe9b3f8
BC
209/* "MBIM Extended Functional Descriptor" from CDC MBIM spec 1.0 errata-1 */
210struct usb_cdc_mbim_extended_desc {
211 __u8 bLength;
212 __u8 bDescriptorType;
213 __u8 bDescriptorSubType;
214
215 __le16 bcdMBIMExtendedVersion;
216 __u8 bMaxOutstandingCommandMessages;
217 __le16 wMTU;
218} __attribute__ ((packed));
219
1da177e4
LT
220/*-------------------------------------------------------------------------*/
221
222/*
223 * Class-Specific Control Requests (6.2)
224 *
225 * section 3.6.2.1 table 4 has the ACM profile, for modems.
226 * section 3.8.2 table 10 has the ethernet profile.
227 *
228 * Microsoft's RNDIS stack for Ethernet is a vendor-specific CDC ACM variant,
229 * heavily dependent on the encapsulated (proprietary) command mechanism.
230 */
231
232#define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00
233#define USB_CDC_GET_ENCAPSULATED_RESPONSE 0x01
234#define USB_CDC_REQ_SET_LINE_CODING 0x20
235#define USB_CDC_REQ_GET_LINE_CODING 0x21
236#define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22
237#define USB_CDC_REQ_SEND_BREAK 0x23
238#define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40
239#define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER 0x41
240#define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER 0x42
241#define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43
242#define USB_CDC_GET_ETHERNET_STATISTIC 0x44
01154aa7
YK
243#define USB_CDC_GET_NTB_PARAMETERS 0x80
244#define USB_CDC_GET_NET_ADDRESS 0x81
245#define USB_CDC_SET_NET_ADDRESS 0x82
246#define USB_CDC_GET_NTB_FORMAT 0x83
247#define USB_CDC_SET_NTB_FORMAT 0x84
248#define USB_CDC_GET_NTB_INPUT_SIZE 0x85
249#define USB_CDC_SET_NTB_INPUT_SIZE 0x86
250#define USB_CDC_GET_MAX_DATAGRAM_SIZE 0x87
251#define USB_CDC_SET_MAX_DATAGRAM_SIZE 0x88
252#define USB_CDC_GET_CRC_MODE 0x89
253#define USB_CDC_SET_CRC_MODE 0x8a
1da177e4
LT
254
255/* Line Coding Structure from CDC spec 6.2.13 */
256struct usb_cdc_line_coding {
257 __le32 dwDTERate;
258 __u8 bCharFormat;
259#define USB_CDC_1_STOP_BITS 0
260#define USB_CDC_1_5_STOP_BITS 1
261#define USB_CDC_2_STOP_BITS 2
262
263 __u8 bParityType;
264#define USB_CDC_NO_PARITY 0
265#define USB_CDC_ODD_PARITY 1
266#define USB_CDC_EVEN_PARITY 2
267#define USB_CDC_MARK_PARITY 3
268#define USB_CDC_SPACE_PARITY 4
269
270 __u8 bDataBits;
271} __attribute__ ((packed));
272
273/* table 62; bits in multicast filter */
274#define USB_CDC_PACKET_TYPE_PROMISCUOUS (1 << 0)
275#define USB_CDC_PACKET_TYPE_ALL_MULTICAST (1 << 1) /* no filter */
276#define USB_CDC_PACKET_TYPE_DIRECTED (1 << 2)
277#define USB_CDC_PACKET_TYPE_BROADCAST (1 << 3)
278#define USB_CDC_PACKET_TYPE_MULTICAST (1 << 4) /* filtered */
279
280
281/*-------------------------------------------------------------------------*/
282
283/*
284 * Class-Specific Notifications (6.3) sent by interrupt transfers
285 *
286 * section 3.8.2 table 11 of the CDC spec lists Ethernet notifications
287 * section 3.6.2.1 table 5 specifies ACM notifications, accepted by RNDIS
288 * RNDIS also defines its own bit-incompatible notifications
289 */
290
291#define USB_CDC_NOTIFY_NETWORK_CONNECTION 0x00
292#define USB_CDC_NOTIFY_RESPONSE_AVAILABLE 0x01
293#define USB_CDC_NOTIFY_SERIAL_STATE 0x20
294#define USB_CDC_NOTIFY_SPEED_CHANGE 0x2a
295
296struct usb_cdc_notification {
297 __u8 bmRequestType;
298 __u8 bNotificationType;
299 __le16 wValue;
300 __le16 wIndex;
301 __le16 wLength;
302} __attribute__ ((packed));
303
3a9dda76
AO
304struct usb_cdc_speed_change {
305 __le32 DLBitRRate; /* contains the downlink bit rate (IN pipe) */
306 __le32 ULBitRate; /* contains the uplink bit rate (OUT pipe) */
307} __attribute__ ((packed));
308
01154aa7
YK
309/*-------------------------------------------------------------------------*/
310
311/*
312 * Class Specific structures and constants
313 *
1f53c0e9 314 * CDC NCM NTB parameters structure, CDC NCM subclass 6.2.1
01154aa7
YK
315 *
316 */
317
1f53c0e9 318struct usb_cdc_ncm_ntb_parameters {
01154aa7 319 __le16 wLength;
1f53c0e9 320 __le16 bmNtbFormatsSupported;
01154aa7
YK
321 __le32 dwNtbInMaxSize;
322 __le16 wNdpInDivisor;
323 __le16 wNdpInPayloadRemainder;
324 __le16 wNdpInAlignment;
325 __le16 wPadding1;
326 __le32 dwNtbOutMaxSize;
327 __le16 wNdpOutDivisor;
328 __le16 wNdpOutPayloadRemainder;
329 __le16 wNdpOutAlignment;
3a9dda76 330 __le16 wNtbOutMaxDatagrams;
01154aa7
YK
331} __attribute__ ((packed));
332
333/*
334 * CDC NCM transfer headers, CDC NCM subclass 3.2
335 */
336
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YK
337#define USB_CDC_NCM_NTH16_SIGN 0x484D434E /* NCMH */
338#define USB_CDC_NCM_NTH32_SIGN 0x686D636E /* ncmh */
01154aa7
YK
339
340struct usb_cdc_ncm_nth16 {
341 __le32 dwSignature;
342 __le16 wHeaderLength;
343 __le16 wSequence;
344 __le16 wBlockLength;
3a9dda76 345 __le16 wNdpIndex;
01154aa7
YK
346} __attribute__ ((packed));
347
348struct usb_cdc_ncm_nth32 {
349 __le32 dwSignature;
350 __le16 wHeaderLength;
351 __le16 wSequence;
352 __le32 dwBlockLength;
3a9dda76 353 __le32 dwNdpIndex;
01154aa7
YK
354} __attribute__ ((packed));
355
356/*
357 * CDC NCM datagram pointers, CDC NCM subclass 3.3
358 */
359
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YK
360#define USB_CDC_NCM_NDP16_CRC_SIGN 0x314D434E /* NCM1 */
361#define USB_CDC_NCM_NDP16_NOCRC_SIGN 0x304D434E /* NCM0 */
362#define USB_CDC_NCM_NDP32_CRC_SIGN 0x316D636E /* ncm1 */
363#define USB_CDC_NCM_NDP32_NOCRC_SIGN 0x306D636E /* ncm0 */
01154aa7 364
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GS
365#define USB_CDC_MBIM_NDP16_IPS_SIGN 0x00535049 /* IPS<sessionID> : IPS0 for now */
366#define USB_CDC_MBIM_NDP32_IPS_SIGN 0x00737069 /* ips<sessionID> : ips0 for now */
367#define USB_CDC_MBIM_NDP16_DSS_SIGN 0x00535344 /* DSS<sessionID> */
368#define USB_CDC_MBIM_NDP32_DSS_SIGN 0x00737364 /* dss<sessionID> */
369
e5dcd531
YK
370/* 16-bit NCM Datagram Pointer Entry */
371struct usb_cdc_ncm_dpe16 {
372 __le16 wDatagramIndex;
373 __le16 wDatagramLength;
374} __attribute__((__packed__));
375
1f53c0e9 376/* 16-bit NCM Datagram Pointer Table */
01154aa7
YK
377struct usb_cdc_ncm_ndp16 {
378 __le32 dwSignature;
379 __le16 wLength;
3a9dda76 380 __le16 wNextNdpIndex;
e5dcd531 381 struct usb_cdc_ncm_dpe16 dpe16[0];
01154aa7
YK
382} __attribute__ ((packed));
383
e5dcd531
YK
384/* 32-bit NCM Datagram Pointer Entry */
385struct usb_cdc_ncm_dpe32 {
6195e3c6
YK
386 __le32 dwDatagramIndex;
387 __le32 dwDatagramLength;
e5dcd531
YK
388} __attribute__((__packed__));
389
1f53c0e9 390/* 32-bit NCM Datagram Pointer Table */
01154aa7
YK
391struct usb_cdc_ncm_ndp32 {
392 __le32 dwSignature;
393 __le16 wLength;
394 __le16 wReserved6;
1f53c0e9 395 __le32 dwNextNdpIndex;
01154aa7 396 __le32 dwReserved12;
e5dcd531 397 struct usb_cdc_ncm_dpe32 dpe32[0];
01154aa7
YK
398} __attribute__ ((packed));
399
e5dcd531
YK
400/* CDC NCM subclass 3.2.1 and 3.2.2 */
401#define USB_CDC_NCM_NDP16_INDEX_MIN 0x000C
402#define USB_CDC_NCM_NDP32_INDEX_MIN 0x0010
403
404/* CDC NCM subclass 3.3.3 Datagram Formatting */
405#define USB_CDC_NCM_DATAGRAM_FORMAT_CRC 0x30
406#define USB_CDC_NCM_DATAGRAM_FORMAT_NOCRC 0X31
407
408/* CDC NCM subclass 4.2 NCM Communications Interface Protocol Code */
409#define USB_CDC_NCM_PROTO_CODE_NO_ENCAP_COMMANDS 0x00
410#define USB_CDC_NCM_PROTO_CODE_EXTERN_PROTO 0xFE
411
412/* CDC NCM subclass 5.2.1 NCM Functional Descriptor, bmNetworkCapabilities */
413#define USB_CDC_NCM_NCAP_ETH_FILTER (1 << 0)
414#define USB_CDC_NCM_NCAP_NET_ADDRESS (1 << 1)
415#define USB_CDC_NCM_NCAP_ENCAP_COMMAND (1 << 2)
416#define USB_CDC_NCM_NCAP_MAX_DATAGRAM_SIZE (1 << 3)
417#define USB_CDC_NCM_NCAP_CRC_MODE (1 << 4)
3a9dda76 418#define USB_CDC_NCM_NCAP_NTB_INPUT_SIZE (1 << 5)
e5dcd531
YK
419
420/* CDC NCM subclass Table 6-3: NTB Parameter Structure */
421#define USB_CDC_NCM_NTB16_SUPPORTED (1 << 0)
422#define USB_CDC_NCM_NTB32_SUPPORTED (1 << 1)
423
424/* CDC NCM subclass Table 6-3: NTB Parameter Structure */
425#define USB_CDC_NCM_NDP_ALIGN_MIN_SIZE 0x04
426#define USB_CDC_NCM_NTB_MAX_LENGTH 0x1C
427
428/* CDC NCM subclass 6.2.5 SetNtbFormat */
429#define USB_CDC_NCM_NTB16_FORMAT 0x00
430#define USB_CDC_NCM_NTB32_FORMAT 0x01
431
432/* CDC NCM subclass 6.2.7 SetNtbInputSize */
433#define USB_CDC_NCM_NTB_MIN_IN_SIZE 2048
434#define USB_CDC_NCM_NTB_MIN_OUT_SIZE 2048
435
3a9dda76
AO
436/* NTB Input Size Structure */
437struct usb_cdc_ncm_ndp_input_size {
438 __le32 dwNtbInMaxSize;
439 __le16 wNtbInMaxDatagrams;
440 __le16 wReserved;
441} __attribute__ ((packed));
442
e5dcd531
YK
443/* CDC NCM subclass 6.2.11 SetCrcMode */
444#define USB_CDC_NCM_CRC_NOT_APPENDED 0x00
445#define USB_CDC_NCM_CRC_APPENDED 0x01
446
dda43a0e 447#endif /* __LINUX_USB_CDC_H */