usb.h revision 1.32 1 /* $NetBSD: usb.h,v 1.32 1999/09/06 17:16:47 augustss Exp $ */
2
3 /*
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Lennart Augustsson (augustss (at) carlstedt.se) at
9 * Carlstedt Research & Technology.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40
41 #ifndef _USB_H_
42 #define _USB_H_
43
44 #include <sys/types.h>
45 #if defined(__NetBSD__) || defined(__OpenBSD__)
46 #include <sys/ioctl.h>
47
48 #if defined(_KERNEL)
49 #include <dev/usb/usb_port.h>
50 #endif /* _KERNEL */
51
52 #elif defined(__FreeBSD__)
53 #include <sys/malloc.h>
54
55 #if defined(KERNEL)
56 MALLOC_DECLARE(M_USB);
57 MALLOC_DECLARE(M_USBDEV);
58 MALLOC_DECLARE(M_USBHC);
59
60 #include <dev/usb/usb_port.h>
61 #endif /* KERNEL */
62 #endif /* __FreeBSD__ */
63
64
65 #define USB_MAX_DEVICES 128
66 #define USB_START_ADDR 0
67
68 #define USB_CONTROL_ENDPOINT 0
69 #define USB_MAX_ENDPOINTS 16
70
71 #define USB_FRAMES_PER_SECOND 1000
72
73 /*
74 * The USB records contain some unaligned little-endian word
75 * components. The U[SG]ETW macros take care of both the alignment
76 * and endian problem and should always be used to access 16 bit
77 * values.
78 */
79 typedef u_int8_t uByte;
80 typedef u_int8_t uWord[2];
81 #define UGETW(w) ((w)[0] | ((w)[1] << 8))
82 #define USETW(w,v) ((w)[0] = (u_int8_t)(v), (w)[1] = (u_int8_t)((v) >> 8))
83 #define USETW2(w,h,l) ((w)[0] = (u_int8_t)(l), (w)[1] = (u_int8_t)(h))
84 typedef u_int8_t uDWord[4];
85 #define UGETDW(w) ((w)[0] | ((w)[1] << 8) | ((w)[2] << 16) | ((w)[3] << 24))
86 #define USETDW(w,v) ((w)[0] = (u_int8_t)(v), \
87 (w)[1] = (u_int8_t)((v) >> 8), \
88 (w)[2] = (u_int8_t)((v) >> 16), \
89 (w)[3] = (u_int8_t)((v) >> 24))
90 /*
91 * On little-endian machines that can handle unanliged accesses
92 * (e.g. i386) these macros can be replaced by the following.
93 */
94 #if 0
95 #define UGETW(w) (*(u_int16_t *)(w))
96 #define USETW(w,v) (*(u_int16_t *)(w) = (v))
97 #endif
98
99 typedef struct {
100 uByte bmRequestType;
101 uByte bRequest;
102 uWord wValue;
103 uWord wIndex;
104 uWord wLength;
105 } usb_device_request_t;
106
107 #define UT_WRITE 0x00
108 #define UT_READ 0x80
109 #define UT_STANDARD 0x00
110 #define UT_CLASS 0x20
111 #define UT_VENDOR 0x40
112 #define UT_DEVICE 0x00
113 #define UT_INTERFACE 0x01
114 #define UT_ENDPOINT 0x02
115 #define UT_OTHER 0x03
116
117 #define UT_READ_DEVICE (UT_READ | UT_STANDARD | UT_DEVICE)
118 #define UT_READ_INTERFACE (UT_READ | UT_STANDARD | UT_INTERFACE)
119 #define UT_READ_ENDPOINT (UT_READ | UT_STANDARD | UT_ENDPOINT)
120 #define UT_WRITE_DEVICE (UT_WRITE | UT_STANDARD | UT_DEVICE)
121 #define UT_WRITE_INTERFACE (UT_WRITE | UT_STANDARD | UT_INTERFACE)
122 #define UT_WRITE_ENDPOINT (UT_WRITE | UT_STANDARD | UT_ENDPOINT)
123 #define UT_READ_CLASS_DEVICE (UT_READ | UT_CLASS | UT_DEVICE)
124 #define UT_READ_CLASS_INTERFACE (UT_READ | UT_CLASS | UT_INTERFACE)
125 #define UT_READ_CLASS_OTHER (UT_READ | UT_CLASS | UT_OTHER)
126 #define UT_READ_CLASS_ENDPOINT (UT_READ | UT_CLASS | UT_ENDPOINT)
127 #define UT_WRITE_CLASS_DEVICE (UT_WRITE | UT_CLASS | UT_DEVICE)
128 #define UT_WRITE_CLASS_INTERFACE (UT_WRITE | UT_CLASS | UT_INTERFACE)
129 #define UT_WRITE_CLASS_OTHER (UT_WRITE | UT_CLASS | UT_OTHER)
130 #define UT_WRITE_CLASS_ENDPOINT (UT_WRITE | UT_CLASS | UT_ENDPOINT)
131 #define UT_READ_VENDOR_DEVICE (UT_READ | UT_VENDOR | UT_DEVICE)
132 #define UT_READ_VENDOR_INTERFACE (UT_READ | UT_VENDOR | UT_INTERFACE)
133 #define UT_READ_VENDOR_OTHER (UT_READ | UT_VENDOR | UT_OTHER)
134 #define UT_READ_VENDOR_ENDPOINT (UT_READ | UT_VENDOR | UT_ENDPOINT)
135 #define UT_WRITE_VENDOR_DEVICE (UT_WRITE | UT_VENDOR | UT_DEVICE)
136 #define UT_WRITE_VENDOR_INTERFACE (UT_WRITE | UT_VENDOR | UT_INTERFACE)
137 #define UT_WRITE_VENDOR_OTHER (UT_WRITE | UT_VENDOR | UT_OTHER)
138 #define UT_WRITE_VENDOR_ENDPOINT (UT_WRITE | UT_VENDOR | UT_ENDPOINT)
139
140 /* Requests */
141 #define UR_GET_STATUS 0x00
142 #define UR_CLEAR_FEATURE 0x01
143 #define UR_SET_FEATURE 0x03
144 #define UR_SET_ADDRESS 0x05
145 #define UR_GET_DESCRIPTOR 0x06
146 #define UDESC_DEVICE 1
147 #define UDESC_CONFIG 2
148 #define UDESC_STRING 3
149 #define UDESC_INTERFACE 4
150 #define UDESC_ENDPOINT 5
151 #define UR_SET_DESCRIPTOR 0x07
152 #define UR_GET_CONFIG 0x08
153 #define UR_SET_CONFIG 0x09
154 #define UR_GET_INTERFACE 0x0a
155 #define UR_SET_INTERFACE 0x0b
156 #define UR_SYNCH_FRAME 0x0c
157
158 /* Feature numbers */
159 #define UF_ENDPOINT_HALT 0
160 #define UF_DEVICE_REMOTE_WAKEUP 1
161
162 #define USB_MAX_IPACKET 8 /* maximum size of the initial packet */
163
164 typedef struct {
165 uByte bLength;
166 uByte bDescriptorType;
167 uByte bDescriptorSubtype;
168 } usb_descriptor_t;
169
170 typedef struct {
171 uByte bLength;
172 uByte bDescriptorType;
173 uWord bcdUSB;
174 uByte bDeviceClass;
175 uByte bDeviceSubClass;
176 uByte bDeviceProtocol;
177 uByte bMaxPacketSize;
178 /* The fields below are not part of the initial descriptor. */
179 uWord idVendor;
180 uWord idProduct;
181 uWord bcdDevice;
182 uByte iManufacturer;
183 uByte iProduct;
184 uByte iSerialNumber;
185 uByte bNumConfigurations;
186 } usb_device_descriptor_t;
187 #define USB_DEVICE_DESCRIPTOR_SIZE 18
188
189 typedef struct {
190 uByte bLength;
191 uByte bDescriptorType;
192 uWord wTotalLength;
193 uByte bNumInterface;
194 uByte bConfigurationValue;
195 uByte iConfiguration;
196 uByte bmAttributes;
197 #define UC_BUS_POWERED 0x80
198 #define UC_SELF_POWERED 0x40
199 #define UC_REMOTE_WAKEUP 0x20
200 uByte bMaxPower; /* max current in 2 mA units */
201 #define UC_POWER_FACTOR 2
202 } usb_config_descriptor_t;
203 #define USB_CONFIG_DESCRIPTOR_SIZE 9
204
205 typedef struct {
206 uByte bLength;
207 uByte bDescriptorType;
208 uByte bInterfaceNumber;
209 uByte bAlternateSetting;
210 uByte bNumEndpoints;
211 uByte bInterfaceClass;
212 uByte bInterfaceSubClass;
213 uByte bInterfaceProtocol;
214 uByte iInterface;
215 } usb_interface_descriptor_t;
216 #define USB_INTERFACE_DESCRIPTOR_SIZE 9
217
218 typedef struct {
219 uByte bLength;
220 uByte bDescriptorType;
221 uByte bEndpointAddress;
222 #define UE_GET_DIR(a) ((a) & 0x80)
223 #define UE_DIR_IN 0x80
224 #define UE_DIR_OUT 0x00
225 #define UE_ADDR 0x0f
226 #define UE_GET_ADDR(a) ((a) & UE_ADDR)
227 uByte bmAttributes;
228 #define UE_XFERTYPE 0x03
229 #define UE_CONTROL 0x00
230 #define UE_ISOCHRONOUS 0x01
231 #define UE_BULK 0x02
232 #define UE_INTERRUPT 0x03
233 #define UE_ISO_TYPE 0x0c
234 #define UE_ISO_ASYNC 0x04
235 #define UE_ISO_ADAPT 0x08
236 #define UE_ISO_SYNC 0x0c
237 uWord wMaxPacketSize;
238 uByte bInterval;
239 } usb_endpoint_descriptor_t;
240 #define USB_ENDPOINT_DESCRIPTOR_SIZE 7
241
242 typedef struct {
243 uByte bLength;
244 uByte bDescriptorType;
245 uWord bString[127];
246 } usb_string_descriptor_t;
247 #define USB_MAX_STRING_LEN 128
248 #define USB_LANGUAGE_TABLE 0 /* # of the string language id table */
249
250 /* Hub specific request */
251 #define UR_GET_BUS_STATE 0x02
252
253 /* Hub features */
254 #define UHF_C_HUB_LOCAL_POWER 0
255 #define UHF_C_HUB_OVER_CURRENT 1
256 #define UHF_PORT_CONNECTION 0
257 #define UHF_PORT_ENABLE 1
258 #define UHF_PORT_SUSPEND 2
259 #define UHF_PORT_OVER_CURRENT 3
260 #define UHF_PORT_RESET 4
261 #define UHF_PORT_POWER 8
262 #define UHF_PORT_LOW_SPEED 9
263 #define UHF_C_PORT_CONNECTION 16
264 #define UHF_C_PORT_ENABLE 17
265 #define UHF_C_PORT_SUSPEND 18
266 #define UHF_C_PORT_OVER_CURRENT 19
267 #define UHF_C_PORT_RESET 20
268
269 typedef struct {
270 uByte bDescLength;
271 uByte bDescriptorType;
272 uByte bNbrPorts;
273 uWord wHubCharacteristics;
274 #define UHD_PWR 0x03
275 #define UHD_PWR_GANGED 0x00
276 #define UHD_PWR_INDIVIDUAL 0x01
277 #define UHD_PWR_NO_SWITCH 0x02
278 #define UHD_COMPOUND 0x04
279 #define UHD_OC 0x18
280 #define UHD_OC_GLOBAL 0x00
281 #define UHD_OC_INDIVIDUAL 0x08
282 #define UHD_OC_NONE 0x10
283 uByte bPwrOn2PwrGood; /* delay in 2 ms units */
284 #define UHD_PWRON_FACTOR 2
285 uByte bHubContrCurrent;
286 uByte DeviceRemovable[32]; /* max 255 ports */
287 #define UHD_NOT_REMOV(desc, i) \
288 (((desc)->DeviceRemovable[(i)/8] >> ((i) % 8)) & 1)
289 /* deprecated uByte PortPowerCtrlMask[]; */
290 } usb_hub_descriptor_t;
291 #define USB_HUB_DESCRIPTOR_SIZE 8
292
293 typedef struct {
294 uWord wStatus;
295 /* Device status flags */
296 #define UDS_SELF_POWERED 0x0001
297 #define UDS_REMOTE_WAKEUP 0x0002
298 /* Endpoint status flags */
299 #define UES_HALT 0x0001
300 } usb_status_t;
301
302 typedef struct {
303 uWord wHubStatus;
304 #define UHS_LOCAL_POWER 0x0001
305 #define UHS_OVER_CURRENT 0x0002
306 uWord wHubChange;
307 } usb_hub_status_t;
308
309 typedef struct {
310 uWord wPortStatus;
311 #define UPS_CURRENT_CONNECT_STATUS 0x0001
312 #define UPS_PORT_ENABLED 0x0002
313 #define UPS_SUSPEND 0x0004
314 #define UPS_OVERCURRENT_INDICATOR 0x0008
315 #define UPS_RESET 0x0010
316 #define UPS_PORT_POWER 0x0100
317 #define UPS_LOW_SPEED 0x0200
318 uWord wPortChange;
319 #define UPS_C_CONNECT_STATUS 0x0001
320 #define UPS_C_PORT_ENABLED 0x0002
321 #define UPS_C_SUSPEND 0x0004
322 #define UPS_C_OVERCURRENT_INDICATOR 0x0008
323 #define UPS_C_PORT_RESET 0x0010
324 } usb_port_status_t;
325
326 #define UDESC_CS_DEVICE 0x21
327 #define UDESC_CS_CONFIG 0x22
328 #define UDESC_CS_STRING 0x23
329 #define UDESC_CS_INTERFACE 0x24
330 #define UDESC_CS_ENDPOINT 0x25
331
332 #define UDESC_HUB 0x29
333
334 #define UCLASS_UNSPEC 0
335 #define UCLASS_AUDIO 1
336 #define USUBCLASS_AUDIOCONTROL 1
337 #define USUBCLASS_AUDIOSTREAM 2
338 #define USUBCLASS_MIDISTREAM 3
339 #define UCLASS_CDC 2 /* communication */
340 #define USUBCLASS_DIRECT_LINE_CONTROL_MODEL 1
341 #define USUBCLASS_ABSTRACT_CONTROL_MODEL 2
342 #define USUBCLASS_TELEPHONE_CONTROL_MODEL 3
343 #define USUBCLASS_MULTICHANNEL_CONTROL_MODEL 4
344 #define USUBCLASS_CAPI_CONTROLMODEL 5
345 #define USUBCLASS_ETHERNET_NETWORKING_CONTROL_MODEL 6
346 #define USUBCLASS_ATM_NETWORKING_CONTROL_MODEL 7
347 #define UPROTO_CDC_AT 1
348 #define UCLASS_HID 3
349 #define USUBCLASS_BOOT 1
350 #define UCLASS_PRINTER 7
351 #define USUBCLASS_PRINTER 1
352 #define UPROTO_PRINTER_UNI 1
353 #define UPROTO_PRINTER_BI 2
354 #define UCLASS_MASS 8
355 #define USUBCLASS_RBC 1
356 #define USUBCLASS_SFF8020I 2
357 #define USUBCLASS_QIC157 3
358 #define USUBCLASS_UFI 4
359 #define USUBCLASS_SFF8070I 5
360 #define USUBCLASS_SCSI 6
361 #define UPROTO_MASS_CBI_I 0
362 #define UPROTO_MASS_CBI 1
363 #define UPROTO_MASS_BULK 80
364 #define UPROTO_MASS_BULK2 2
365 #define UCLASS_HUB 9
366 #define USUBCLASS_HUB 0
367 #define UCLASS_DATA 10
368
369 #define USB_HUB_MAX_DEPTH 5
370
371 /*
372 * Minimum time a device needs to be powered down to go through
373 * a power cycle. XXX Are these time in the spec?
374 */
375 #define USB_POWER_DOWN_TIME 200 /* ms */
376 #define USB_PORT_POWER_DOWN_TIME 100 /* ms */
377
378 #if 0
379 /* These are the values from the spec. */
380 #define USB_PORT_RESET_DELAY 10 /* ms */
381 #define USB_PORT_RESET_SETTLE 10 /* ms */
382 #define USB_PORT_POWERUP_DELAY 100 /* ms */
383 #define USB_SET_ADDRESS_SETTLE 2 /* ms */
384 #define USB_RESUME_TIME (20*5) /* ms */
385 #define USB_RESUME_WAIT 10 /* ms */
386 #define USB_RESUME_RECOVERY 10 /* ms */
387 #else
388 /* Allow for marginal (i.e. non-conforming) devices. */
389 #define USB_PORT_RESET_DELAY 50 /* ms */
390 #define USB_PORT_RESET_RECOVERY 50 /* ms */
391 #define USB_PORT_POWERUP_DELAY 200 /* ms */
392 #define USB_SET_ADDRESS_SETTLE 10 /* ms */
393 #define USB_RESUME_DELAY (50*5) /* ms */
394 #define USB_RESUME_WAIT 50 /* ms */
395 #define USB_RESUME_RECOVERY 50 /* ms */
396 #endif
397
398 #define USB_MIN_POWER 100 /* mA */
399 #define USB_MAX_POWER 500 /* mA */
400
401 #define USB_BUS_RESET_DELAY 100 /* ms XXX?*/
402
403 /*** ioctl() related stuff ***/
404
405 struct usb_ctl_request {
406 int addr;
407 usb_device_request_t request;
408 void *data;
409 int flags;
410 /* XXX must match flags in usbdi.h */
411 #define USBD_SHORT_XFER_OK 0x04
412 int actlen; /* actual length transferred */
413 };
414
415 struct usb_alt_interface {
416 int config_index;
417 int interface_index;
418 int alt_no;
419 };
420
421 #define USB_CURRENT_CONFIG_INDEX (-1)
422 #define USB_CURRENT_ALT_INDEX (-1)
423
424 struct usb_config_desc {
425 int config_index;
426 usb_config_descriptor_t desc;
427 };
428
429 struct usb_interface_desc {
430 int config_index;
431 int interface_index;
432 int alt_index;
433 usb_interface_descriptor_t desc;
434 };
435
436 struct usb_endpoint_desc {
437 int config_index;
438 int interface_index;
439 int alt_index;
440 int endpoint_index;
441 usb_endpoint_descriptor_t desc;
442 };
443
444 struct usb_full_desc {
445 int config_index;
446 u_int size;
447 u_char *data;
448 };
449
450 struct usb_string_desc {
451 int string_index;
452 int language_id;
453 usb_string_descriptor_t desc;
454 };
455
456 struct usb_ctl_report_desc {
457 int size;
458 u_char data[1024]; /* filled data size will vary */
459 };
460
461 struct usb_device_info {
462 u_int8_t addr; /* device address */
463 char product[USB_MAX_STRING_LEN];
464 char vendor[USB_MAX_STRING_LEN];
465 char release[8];
466 u_int16_t productNo;
467 u_int16_t vendorNo;
468 u_int8_t class;
469 u_int8_t config;
470 u_int8_t lowspeed;
471 int power; /* power consumption in mA, 0 if selfpowered */
472 int nports;
473 u_int8_t ports[16];/* hub only: addresses of devices on ports */
474 #define USB_PORT_ENABLED 0xff
475 #define USB_PORT_SUSPENDED 0xfe
476 #define USB_PORT_POWERED 0xfd
477 #define USB_PORT_DISABLED 0xfc
478 };
479
480 struct usb_ctl_report {
481 int report;
482 u_char data[1024]; /* filled data size will vary */
483 };
484
485 struct usb_device_stats {
486 u_long requests[4]; /* indexed by transfer type UE_* */
487 };
488
489 /* USB controller */
490 #define USB_REQUEST _IOWR('U', 1, struct usb_ctl_request)
491 #define USB_SETDEBUG _IOW ('U', 2, int)
492 #define USB_DISCOVER _IO ('U', 3)
493 #define USB_DEVICEINFO _IOWR('U', 4, struct usb_device_info)
494 #define USB_DEVICESTATS _IOR ('U', 5, struct usb_device_stats)
495
496 /* Generic HID device */
497 #define USB_GET_REPORT_DESC _IOR ('U', 21, struct usb_ctl_report_desc)
498 #define USB_SET_IMMED _IOW ('U', 22, int)
499 #define USB_GET_REPORT _IOWR('U', 23, struct usb_ctl_report)
500
501 /* Generic USB device */
502 #define USB_GET_CONFIG _IOR ('U', 100, int)
503 #define USB_SET_CONFIG _IOW ('U', 101, int)
504 #define USB_GET_ALTINTERFACE _IOWR('U', 102, struct usb_alt_interface)
505 #define USB_SET_ALTINTERFACE _IOWR('U', 103, struct usb_alt_interface)
506 #define USB_GET_NO_ALT _IOWR('U', 104, struct usb_alt_interface)
507 #define USB_GET_DEVICE_DESC _IOR ('U', 105, usb_device_descriptor_t)
508 #define USB_GET_CONFIG_DESC _IOWR('U', 106, struct usb_config_desc)
509 #define USB_GET_INTERFACE_DESC _IOWR('U', 107, struct usb_interface_desc)
510 #define USB_GET_ENDPOINT_DESC _IOWR('U', 108, struct usb_endpoint_desc)
511 #define USB_GET_FULL_DESC _IOWR('U', 109, struct usb_full_desc)
512 #define USB_GET_STRING_DESC _IOWR('U', 110, struct usb_string_desc)
513 #define USB_DO_REQUEST _IOWR('U', 111, struct usb_ctl_request)
514 #define USB_GET_DEVICEINFO _IOR ('U', 112, struct usb_device_info)
515 #define USB_SET_SHORT_XFER _IOW ('U', 113, int)
516 #define USB_SET_TIMEOUT _IOW ('U', 114, int)
517
518 /* Modem device */
519 #define USB_GET_CM_OVER_DATA _IOR ('U', 130, int)
520 #define USB_SET_CM_OVER_DATA _IOW ('U', 131, int)
521
522 #endif /* _USB_H_ */
523