1 /** @file
2   Support for USB 2.0 standard.
3 
4   Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
5   SPDX-License-Identifier: BSD-2-Clause-Patent
6 
7 **/
8 
9 #ifndef __USB_H__
10 #define __USB_H__
11 
12 //
13 // Subset of Class and Subclass definitions from USB Specs
14 //
15 
16 //
17 // Usb mass storage class code
18 //
19 #define USB_MASS_STORE_CLASS    0x08
20 
21 //
22 // Usb mass storage subclass code, specify the command set used.
23 //
24 #define USB_MASS_STORE_RBC      0x01 ///< Reduced Block Commands
25 #define USB_MASS_STORE_8020I    0x02 ///< SFF-8020i, typically a CD/DVD device
26 #define USB_MASS_STORE_QIC      0x03 ///< Typically a tape device
27 #define USB_MASS_STORE_UFI      0x04 ///< Typically a floppy disk driver device
28 #define USB_MASS_STORE_8070I    0x05 ///< SFF-8070i, typically a floppy disk driver device.
29 #define USB_MASS_STORE_SCSI     0x06 ///< SCSI transparent command set
30 
31 //
32 // Usb mass storage protocol code, specify the transport protocol
33 //
34 #define USB_MASS_STORE_CBI0     0x00 ///< CBI protocol with command completion interrupt
35 #define USB_MASS_STORE_CBI1     0x01 ///< CBI protocol without command completion interrupt
36 #define USB_MASS_STORE_BOT      0x50 ///< Bulk-Only Transport
37 
38 //
39 // Standard device request and request type
40 // USB 2.0 spec, Section 9.4
41 //
42 #define USB_DEV_GET_STATUS                  0x00
43 #define USB_DEV_GET_STATUS_REQ_TYPE_D       0x80 // Receiver : Device
44 #define USB_DEV_GET_STATUS_REQ_TYPE_I       0x81 // Receiver : Interface
45 #define USB_DEV_GET_STATUS_REQ_TYPE_E       0x82 // Receiver : Endpoint
46 
47 #define USB_DEV_CLEAR_FEATURE               0x01
48 #define USB_DEV_CLEAR_FEATURE_REQ_TYPE_D    0x00 // Receiver : Device
49 #define USB_DEV_CLEAR_FEATURE_REQ_TYPE_I    0x01 // Receiver : Interface
50 #define USB_DEV_CLEAR_FEATURE_REQ_TYPE_E    0x02 // Receiver : Endpoint
51 
52 #define USB_DEV_SET_FEATURE                 0x03
53 #define USB_DEV_SET_FEATURE_REQ_TYPE_D      0x00 // Receiver : Device
54 #define USB_DEV_SET_FEATURE_REQ_TYPE_I      0x01 // Receiver : Interface
55 #define USB_DEV_SET_FEATURE_REQ_TYPE_E      0x02 // Receiver : Endpoint
56 
57 #define USB_DEV_SET_ADDRESS                 0x05
58 #define USB_DEV_SET_ADDRESS_REQ_TYPE        0x00
59 
60 #define USB_DEV_GET_DESCRIPTOR              0x06
61 #define USB_DEV_GET_DESCRIPTOR_REQ_TYPE     0x80
62 
63 #define USB_DEV_SET_DESCRIPTOR              0x07
64 #define USB_DEV_SET_DESCRIPTOR_REQ_TYPE     0x00
65 
66 #define USB_DEV_GET_CONFIGURATION           0x08
67 #define USB_DEV_GET_CONFIGURATION_REQ_TYPE  0x80
68 
69 #define USB_DEV_SET_CONFIGURATION           0x09
70 #define USB_DEV_SET_CONFIGURATION_REQ_TYPE  0x00
71 
72 #define USB_DEV_GET_INTERFACE               0x0A
73 #define USB_DEV_GET_INTERFACE_REQ_TYPE      0x81
74 
75 #define USB_DEV_SET_INTERFACE               0x0B
76 #define USB_DEV_SET_INTERFACE_REQ_TYPE      0x01
77 
78 #define USB_DEV_SYNCH_FRAME                 0x0C
79 #define USB_DEV_SYNCH_FRAME_REQ_TYPE        0x82
80 
81 
82 //
83 // USB standard descriptors and reqeust
84 //
85 #pragma pack(1)
86 
87 ///
88 /// Format of Setup Data for USB Device Requests
89 /// USB 2.0 spec, Section 9.3
90 ///
91 typedef struct {
92   UINT8           RequestType;
93   UINT8           Request;
94   UINT16          Value;
95   UINT16          Index;
96   UINT16          Length;
97 } USB_DEVICE_REQUEST;
98 
99 ///
100 /// Standard Device Descriptor
101 /// USB 2.0 spec, Section 9.6.1
102 ///
103 typedef struct {
104   UINT8           Length;
105   UINT8           DescriptorType;
106   UINT16          BcdUSB;
107   UINT8           DeviceClass;
108   UINT8           DeviceSubClass;
109   UINT8           DeviceProtocol;
110   UINT8           MaxPacketSize0;
111   UINT16          IdVendor;
112   UINT16          IdProduct;
113   UINT16          BcdDevice;
114   UINT8           StrManufacturer;
115   UINT8           StrProduct;
116   UINT8           StrSerialNumber;
117   UINT8           NumConfigurations;
118 } USB_DEVICE_DESCRIPTOR;
119 
120 ///
121 /// Standard Configuration Descriptor
122 /// USB 2.0 spec, Section 9.6.3
123 ///
124 typedef struct {
125   UINT8           Length;
126   UINT8           DescriptorType;
127   UINT16          TotalLength;
128   UINT8           NumInterfaces;
129   UINT8           ConfigurationValue;
130   UINT8           Configuration;
131   UINT8           Attributes;
132   UINT8           MaxPower;
133 } USB_CONFIG_DESCRIPTOR;
134 
135 ///
136 /// Standard Interface Descriptor
137 /// USB 2.0 spec, Section 9.6.5
138 ///
139 typedef struct {
140   UINT8           Length;
141   UINT8           DescriptorType;
142   UINT8           InterfaceNumber;
143   UINT8           AlternateSetting;
144   UINT8           NumEndpoints;
145   UINT8           InterfaceClass;
146   UINT8           InterfaceSubClass;
147   UINT8           InterfaceProtocol;
148   UINT8           Interface;
149 } USB_INTERFACE_DESCRIPTOR;
150 
151 ///
152 /// Standard Endpoint Descriptor
153 /// USB 2.0 spec, Section 9.6.6
154 ///
155 typedef struct {
156   UINT8           Length;
157   UINT8           DescriptorType;
158   UINT8           EndpointAddress;
159   UINT8           Attributes;
160   UINT16          MaxPacketSize;
161   UINT8           Interval;
162 } USB_ENDPOINT_DESCRIPTOR;
163 
164 ///
165 /// UNICODE String Descriptor
166 /// USB 2.0 spec, Section 9.6.7
167 ///
168 typedef struct {
169   UINT8           Length;
170   UINT8           DescriptorType;
171   CHAR16          String[1];
172 } EFI_USB_STRING_DESCRIPTOR;
173 
174 #pragma pack()
175 
176 
177 typedef enum {
178   //
179   // USB request type
180   //
181   USB_REQ_TYPE_STANDARD   = (0x00 << 5),
182   USB_REQ_TYPE_CLASS      = (0x01 << 5),
183   USB_REQ_TYPE_VENDOR     = (0x02 << 5),
184 
185   //
186   // Standard control transfer request type, or the value
187   // to fill in EFI_USB_DEVICE_REQUEST.Request
188   //
189   USB_REQ_GET_STATUS      = 0x00,
190   USB_REQ_CLEAR_FEATURE   = 0x01,
191   USB_REQ_SET_FEATURE     = 0x03,
192   USB_REQ_SET_ADDRESS     = 0x05,
193   USB_REQ_GET_DESCRIPTOR  = 0x06,
194   USB_REQ_SET_DESCRIPTOR  = 0x07,
195   USB_REQ_GET_CONFIG      = 0x08,
196   USB_REQ_SET_CONFIG      = 0x09,
197   USB_REQ_GET_INTERFACE   = 0x0A,
198   USB_REQ_SET_INTERFACE   = 0x0B,
199   USB_REQ_SYNCH_FRAME     = 0x0C,
200 
201   //
202   // Usb control transfer target
203   //
204   USB_TARGET_DEVICE       = 0,
205   USB_TARGET_INTERFACE    = 0x01,
206   USB_TARGET_ENDPOINT     = 0x02,
207   USB_TARGET_OTHER        = 0x03,
208 
209   //
210   // USB Descriptor types
211   //
212   USB_DESC_TYPE_DEVICE    = 0x01,
213   USB_DESC_TYPE_CONFIG    = 0x02,
214   USB_DESC_TYPE_STRING    = 0x03,
215   USB_DESC_TYPE_INTERFACE = 0x04,
216   USB_DESC_TYPE_ENDPOINT  = 0x05,
217   USB_DESC_TYPE_HID       = 0x21,
218   USB_DESC_TYPE_REPORT    = 0x22,
219 
220   //
221   // Features to be cleared by CLEAR_FEATURE requests
222   //
223   USB_FEATURE_ENDPOINT_HALT = 0,
224 
225   //
226   // USB endpoint types: 00: control, 01: isochronous, 10: bulk, 11: interrupt
227   //
228   USB_ENDPOINT_CONTROL    = 0x00,
229   USB_ENDPOINT_ISO        = 0x01,
230   USB_ENDPOINT_BULK       = 0x02,
231   USB_ENDPOINT_INTERRUPT  = 0x03,
232 
233   USB_ENDPOINT_TYPE_MASK  = 0x03,
234   USB_ENDPOINT_DIR_IN     = 0x80,
235 
236   //
237   //Use 200 ms to increase the error handling response time
238   //
239   EFI_USB_INTERRUPT_DELAY = 2000000
240 } USB_TYPES_DEFINITION;
241 
242 
243 //
244 // HID constants definition, see Device Class Definition
245 // for Human Interface Devices (HID) rev1.11
246 //
247 
248 //
249 // HID standard GET_DESCRIPTOR request.
250 //
251 #define USB_HID_GET_DESCRIPTOR_REQ_TYPE  0x81
252 
253 //
254 // HID specific requests.
255 //
256 #define USB_HID_CLASS_GET_REQ_TYPE       0xa1
257 #define USB_HID_CLASS_SET_REQ_TYPE       0x21
258 
259 //
260 // HID report item format
261 //
262 #define HID_ITEM_FORMAT_SHORT 0
263 #define HID_ITEM_FORMAT_LONG  1
264 
265 //
266 // Special tag indicating long items
267 //
268 #define HID_ITEM_TAG_LONG 15
269 
270 //
271 // HID report descriptor item type (prefix bit 2,3)
272 //
273 #define HID_ITEM_TYPE_MAIN      0
274 #define HID_ITEM_TYPE_GLOBAL    1
275 #define HID_ITEM_TYPE_LOCAL     2
276 #define HID_ITEM_TYPE_RESERVED  3
277 
278 //
279 // HID report descriptor main item tags
280 //
281 #define HID_MAIN_ITEM_TAG_INPUT             8
282 #define HID_MAIN_ITEM_TAG_OUTPUT            9
283 #define HID_MAIN_ITEM_TAG_FEATURE           11
284 #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION  10
285 #define HID_MAIN_ITEM_TAG_END_COLLECTION    12
286 
287 //
288 // HID report descriptor main item contents
289 //
290 #define HID_MAIN_ITEM_CONSTANT      0x001
291 #define HID_MAIN_ITEM_VARIABLE      0x002
292 #define HID_MAIN_ITEM_RELATIVE      0x004
293 #define HID_MAIN_ITEM_WRAP          0x008
294 #define HID_MAIN_ITEM_NONLINEAR     0x010
295 #define HID_MAIN_ITEM_NO_PREFERRED  0x020
296 #define HID_MAIN_ITEM_NULL_STATE    0x040
297 #define HID_MAIN_ITEM_VOLATILE      0x080
298 #define HID_MAIN_ITEM_BUFFERED_BYTE 0x100
299 
300 //
301 // HID report descriptor collection item types
302 //
303 #define HID_COLLECTION_PHYSICAL     0
304 #define HID_COLLECTION_APPLICATION  1
305 #define HID_COLLECTION_LOGICAL      2
306 
307 //
308 // HID report descriptor global item tags
309 //
310 #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE        0
311 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM   1
312 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM   2
313 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM  3
314 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM  4
315 #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT     5
316 #define HID_GLOBAL_ITEM_TAG_UNIT              6
317 #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE       7
318 #define HID_GLOBAL_ITEM_TAG_REPORT_ID         8
319 #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT      9
320 #define HID_GLOBAL_ITEM_TAG_PUSH              10
321 #define HID_GLOBAL_ITEM_TAG_POP               11
322 
323 //
324 // HID report descriptor local item tags
325 //
326 #define HID_LOCAL_ITEM_TAG_USAGE              0
327 #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM      1
328 #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM      2
329 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX   3
330 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4
331 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5
332 #define HID_LOCAL_ITEM_TAG_STRING_INDEX       7
333 #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM     8
334 #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM     9
335 #define HID_LOCAL_ITEM_TAG_DELIMITER          10
336 
337 //
338 // HID report types
339 //
340 #define HID_INPUT_REPORT    1
341 #define HID_OUTPUT_REPORT   2
342 #define HID_FEATURE_REPORT  3
343 
344 //
345 // HID class protocol request
346 //
347 #define EFI_USB_GET_REPORT_REQUEST    0x01
348 #define EFI_USB_GET_IDLE_REQUEST      0x02
349 #define EFI_USB_GET_PROTOCOL_REQUEST  0x03
350 #define EFI_USB_SET_REPORT_REQUEST    0x09
351 #define EFI_USB_SET_IDLE_REQUEST      0x0a
352 #define EFI_USB_SET_PROTOCOL_REQUEST  0x0b
353 
354 #pragma pack(1)
355 ///
356 /// Descriptor header for Report/Physical Descriptors
357 /// HID 1.1, section 6.2.1
358 ///
359 typedef struct hid_class_descriptor {
360   UINT8   DescriptorType;
361   UINT16  DescriptorLength;
362 } EFI_USB_HID_CLASS_DESCRIPTOR;
363 
364 ///
365 /// The HID descriptor identifies the length and type
366 /// of subordinate descriptors for a device.
367 /// HID 1.1, section 6.2.1
368 ///
369 typedef struct hid_descriptor {
370   UINT8                         Length;
371   UINT8                         DescriptorType;
372   UINT16                        BcdHID;
373   UINT8                         CountryCode;
374   UINT8                         NumDescriptors;
375   EFI_USB_HID_CLASS_DESCRIPTOR  HidClassDesc[1];
376 } EFI_USB_HID_DESCRIPTOR;
377 
378 #pragma pack()
379 
380 #endif
381