usb.h revision 1.26 1 /* $NetBSD: usb.h,v 1.26 1999/08/18 07:45:56 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 #endif
48
49 #if defined(__NetBSD__) || defined(__OpenBSD__)
50 #if defined(_KERNEL)
51 #include <dev/usb/usb_port.h>
52 #endif /* _KERNEL */
53
54 #elif defined(__FreeBSD__)
55 #include <sys/malloc.h>
56
57 #if defined(KERNEL)
58 MALLOC_DECLARE(M_USB);
59 MALLOC_DECLARE(M_USBDEV);
60 MALLOC_DECLARE(M_USBHC);
61
62 #include <dev/usb/usb_port.h>
63 #endif /* KERNEL */
64 #endif /* __FreeBSD__ */
65
66
67 #define USB_MAX_DEVICES 128
68 #define USB_START_ADDR 0
69
70 #define USB_CONTROL_ENDPOINT 0
71 #define USB_MAX_ENDPOINTS 16
72
73 #define USB_FRAMES_PER_SECOND 1000
74
75 /*
76 * The USB records contain some unaligned little-endian word
77 * components. The U[SG]ETW macros take care of both the alignment
78 * and endian problem and should always be used to access 16 bit
79 * values.
80 */
81 typedef u_int8_t uByte;
82 typedef u_int8_t uWord[2];
83 #define UGETW(w) ((w)[0] | ((w)[1] << 8))
84 #define USETW(w,v) ((w)[0] = (u_int8_t)(v), (w)[1] = (u_int8_t)((v) >> 8))
85 #define USETW2(w,h,l) ((w)[0] = (u_int8_t)(l), (w)[1] = (u_int8_t)(h))
86 typedef u_int8_t uDWord[4];
87 #define UGETDW(w) ((w)[0] | ((w)[1] << 8) | ((w)[2] << 16) | ((w)[3] << 24))
88 #define USETDW(w,v) ((w)[0] = (u_int8_t)(v), \
89 (w)[1] = (u_int8_t)((v) >> 8), \
90 (w)[2] = (u_int8_t)((v) >> 16), \
91 (w)[3] = (u_int8_t)((v) >> 24))
92 /*
93 * On little-endian machines that can handle unanliged accesses
94 * (e.g. i386) these macros can be replaced by the following.
95 */
96 #if 0
97 #define UGETW(w) (*(u_int16_t *)(w))
98 #define USETW(w,v) (*(u_int16_t *)(w) = (v))
99 #endif
100
101 typedef struct {
102 uByte bmRequestType;
103 uByte bRequest;
104 uWord wValue;
105 uWord wIndex;
106 uWord wLength;
107 } usb_device_request_t;
108
109 #define UT_WRITE 0x00
110 #define UT_READ 0x80
111 #define UT_STANDARD 0x00
112 #define UT_CLASS 0x20
113 #define UT_VENDOR 0x40
114 #define UT_DEVICE 0x00
115 #define UT_INTERFACE 0x01
116 #define UT_ENDPOINT 0x02
117 #define UT_OTHER 0x03
118
119 #define UT_READ_DEVICE (UT_READ | UT_STANDARD | UT_DEVICE)
120 #define UT_READ_INTERFACE (UT_READ | UT_STANDARD | UT_INTERFACE)
121 #define UT_READ_ENDPOINT (UT_READ | UT_STANDARD | UT_ENDPOINT)
122 #define UT_WRITE_DEVICE (UT_WRITE | UT_STANDARD | UT_DEVICE)
123 #define UT_WRITE_INTERFACE (UT_WRITE | UT_STANDARD | UT_INTERFACE)
124 #define UT_WRITE_ENDPOINT (UT_WRITE | UT_STANDARD | UT_ENDPOINT)
125 #define UT_READ_CLASS_DEVICE (UT_READ | UT_CLASS | UT_DEVICE)
126 #define UT_READ_CLASS_INTERFACE (UT_READ | UT_CLASS | UT_INTERFACE)
127 #define UT_READ_CLASS_OTHER (UT_READ | UT_CLASS | UT_OTHER)
128 #define UT_WRITE_CLASS_DEVICE (UT_WRITE | UT_CLASS | UT_DEVICE)
129 #define UT_WRITE_CLASS_INTERFACE (UT_WRITE | UT_CLASS | UT_INTERFACE)
130 #define UT_WRITE_CLASS_OTHER (UT_WRITE | UT_CLASS | UT_OTHER)
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_WRITE_VENDOR_DEVICE (UT_WRITE | UT_VENDOR | UT_DEVICE)
135 #define UT_WRITE_VENDOR_INTERFACE (UT_WRITE | UT_VENDOR | UT_INTERFACE)
136 #define UT_WRITE_VENDOR_OTHER (UT_WRITE | UT_VENDOR | UT_OTHER)
137
138 /* Requests */
139 #define UR_GET_STATUS 0x00
140 #define UR_CLEAR_FEATURE 0x01
141 #define UR_SET_FEATURE 0x03
142 #define UR_SET_ADDRESS 0x05
143 #define UR_GET_DESCRIPTOR 0x06
144 #define UDESC_DEVICE 1
145 #define UDESC_CONFIG 2
146 #define UDESC_STRING 3
147 #define UDESC_INTERFACE 4
148 #define UDESC_ENDPOINT 5
149 #define UR_SET_DESCRIPTOR 0x07
150 #define UR_GET_CONFIG 0x08
151 #define UR_SET_CONFIG 0x09
152 #define UR_GET_INTERFACE 0x0a
153 #define UR_SET_INTERFACE 0x0b
154 #define UR_SYNCH_FRAME 0x0c
155
156 /* Feature numbers */
157 #define UF_ENDPOINT_HALT 0
158 #define UF_DEVICE_REMOTE_WAKEUP 1
159
160 #define USB_MAX_IPACKET 8 /* maximum size of the initial packet */
161
162 typedef struct {
163 uByte bLength;
164 uByte bDescriptorType;
165 uByte bDescriptorSubtype;
166 } usb_descriptor_t;
167
168 typedef struct {
169 uByte bLength;
170 uByte bDescriptorType;
171 uWord bcdUSB;
172 uByte bDeviceClass;
173 uByte bDeviceSubClass;
174 uByte bDeviceProtocol;
175 uByte bMaxPacketSize;
176 /* The fields below are not part of the initial descriptor. */
177 uWord idVendor;
178 uWord idProduct;
179 uWord bcdDevice;
180 uByte iManufacturer;
181 uByte iProduct;
182 uByte iSerialNumber;
183 uByte bNumConfigurations;
184 } usb_device_descriptor_t;
185 #define USB_DEVICE_DESCRIPTOR_SIZE 18
186
187 typedef struct {
188 uByte bLength;
189 uByte bDescriptorType;
190 uWord wTotalLength;
191 uByte bNumInterface;
192 uByte bConfigurationValue;
193 uByte iConfiguration;
194 uByte bmAttributes;
195 #define UC_BUS_POWERED 0x80
196 #define UC_SELF_POWERED 0x40
197 #define UC_REMOTE_WAKEUP 0x20
198 uByte bMaxPower; /* max current in 2 mA units */
199 #define UC_POWER_FACTOR 2
200 } usb_config_descriptor_t;
201 #define USB_CONFIG_DESCRIPTOR_SIZE 9
202
203 typedef struct {
204 uByte bLength;
205 uByte bDescriptorType;
206 uByte bInterfaceNumber;
207 uByte bAlternateSetting;
208 uByte bNumEndpoints;
209 uByte bInterfaceClass;
210 uByte bInterfaceSubClass;
211 uByte bInterfaceProtocol;
212 uByte iInterface;
213 } usb_interface_descriptor_t;
214 #define USB_INTERFACE_DESCRIPTOR_SIZE 9
215
216 typedef struct {
217 uByte bLength;
218 uByte bDescriptorType;
219 uByte bEndpointAddress;
220 #define UE_IN 0x80
221 #define UE_OUT 0x00
222 #define UE_ADDR 0x0f
223 #define UE_GET_ADDR(a) ((a) & UE_ADDR)
224 #define UE_GET_IN(a) (((a) >> 7) & 1)
225 uByte bmAttributes;
226 #define UE_XFERTYPE 0x03
227 #define UE_CONTROL 0x00
228 #define UE_ISOCHRONOUS 0x01
229 #define UE_BULK 0x02
230 #define UE_INTERRUPT 0x03
231 #define UE_ISO_TYPE 0x0c
232 #define UE_ISO_ASYNC 0x04
233 #define UE_ISO_ADAPT 0x08
234 #define UE_ISO_SYNC 0x0c
235 uWord wMaxPacketSize;
236 uByte bInterval;
237 /*
238 * The following two entries are only used by the Audio Class.
239 * And according to the specs the Audio Class is the only one
240 * allowed to extend the endpoint descriptor.
241 * Who knows what goes on in the minds of the people in the USB
242 * standardization? :-(
243 */
244 uByte bRefresh;
245 uByte bSynchAddress;
246 } usb_endpoint_descriptor_t;
247 #define USB_ENDPOINT_DESCRIPTOR_SIZE 7
248
249 typedef struct {
250 uByte bLength;
251 uByte bDescriptorType;
252 uWord bString[127];
253 } usb_string_descriptor_t;
254 #define USB_MAX_STRING_LEN 128
255 #define USB_LANGUAGE_TABLE 0 /* # of the string language id table */
256
257 /* Hub specific request */
258 #define UR_GET_BUS_STATE 0x02
259
260 /* Hub features */
261 #define UHF_C_HUB_LOCAL_POWER 0
262 #define UHF_C_HUB_OVER_CURRENT 1
263 #define UHF_PORT_CONNECTION 0
264 #define UHF_PORT_ENABLE 1
265 #define UHF_PORT_SUSPEND 2
266 #define UHF_PORT_OVER_CURRENT 3
267 #define UHF_PORT_RESET 4
268 #define UHF_PORT_POWER 8
269 #define UHF_PORT_LOW_SPEED 9
270 #define UHF_C_PORT_CONNECTION 16
271 #define UHF_C_PORT_ENABLE 17
272 #define UHF_C_PORT_SUSPEND 18
273 #define UHF_C_PORT_OVER_CURRENT 19
274 #define UHF_C_PORT_RESET 20
275
276 typedef struct {
277 uByte bDescLength;
278 uByte bDescriptorType;
279 uByte bNbrPorts;
280 uWord wHubCharacteristics;
281 #define UHD_PWR 0x03
282 #define UHD_PWR_GANGED 0x00
283 #define UHD_PWR_INDIVIDUAL 0x01
284 #define UHD_PWR_NO_SWITCH 0x02
285 #define UHD_COMPOUND 0x04
286 #define UHD_OC 0x18
287 #define UHD_OC_GLOBAL 0x00
288 #define UHD_OC_INDIVIDUAL 0x08
289 #define UHD_OC_NONE 0x10
290 uByte bPwrOn2PwrGood; /* delay in 2 ms units */
291 #define UHD_PWRON_FACTOR 2
292 uByte bHubContrCurrent;
293 uByte DeviceRemovable[32]; /* max 255 ports */
294 #define UHD_NOT_REMOV(desc, i) \
295 (((desc)->DeviceRemovable[(i)/8] >> ((i) % 8)) & 1)
296 /* deprecated uByte PortPowerCtrlMask[]; */
297 } usb_hub_descriptor_t;
298 #define USB_HUB_DESCRIPTOR_SIZE 8
299
300 typedef struct {
301 uWord wStatus;
302 /* Device status flags */
303 #define UDS_SELF_POWERED 0x0001
304 #define UDS_REMOTE_WAKEUP 0x0002
305 /* Endpoint status flags */
306 #define UES_HALT 0x0001
307 } usb_status_t;
308
309 typedef struct {
310 uWord wHubStatus;
311 #define UHS_LOCAL_POWER 0x0001
312 #define UHS_OVER_CURRENT 0x0002
313 uWord wHubChange;
314 } usb_hub_status_t;
315
316 typedef struct {
317 uWord wPortStatus;
318 #define UPS_CURRENT_CONNECT_STATUS 0x0001
319 #define UPS_PORT_ENABLED 0x0002
320 #define UPS_SUSPEND 0x0004
321 #define UPS_OVERCURRENT_INDICATOR 0x0008
322 #define UPS_RESET 0x0010
323 #define UPS_PORT_POWER 0x0100
324 #define UPS_LOW_SPEED 0x0200
325 uWord wPortChange;
326 #define UPS_C_CONNECT_STATUS 0x0001
327 #define UPS_C_PORT_ENABLED 0x0002
328 #define UPS_C_SUSPEND 0x0004
329 #define UPS_C_OVERCURRENT_INDICATOR 0x0008
330 #define UPS_C_PORT_RESET 0x0010
331 } usb_port_status_t;
332
333 #define UDESC_CS_DEVICE 0x21
334 #define UDESC_CS_CONFIG 0x22
335 #define UDESC_CS_STRING 0x23
336 #define UDESC_CS_INTERFACE 0x24
337 #define UDESC_CS_ENDPOINT 0x25
338
339 #define UDESC_HUB 0x29
340
341 #define UCLASS_UNSPEC 0
342 #define UCLASS_AUDIO 1
343 #define USUBCLASS_AUDIOCONTROL 1
344 #define USUBCLASS_AUDIOSTREAM 2
345 #define UCLASS_CDC 2 /* communication */
346 #define USUBCLASS_DIRECT_LINE_CONTROL_MODEL 1
347 #define USUBCLASS_ABSTRACT_CONTROL_MODEL 2
348 #define USUBCLASS_TELEPHONE_CONTROL_MODEL 3
349 #define USUBCLASS_MULTICHANNEL_CONTROL_MODEL 4
350 #define USUBCLASS_CAPI_CONTROLMODEL 5
351 #define USUBCLASS_ETHERNET_NETWORKING_CONTROL_MODEL 6
352 #define USUBCLASS_ATM_NETWORKING_CONTROL_MODEL 7
353 #define UPROTO_CDC_AT 1
354 #define UCLASS_HID 3
355 #define USUBCLASS_BOOT 1
356 #define UCLASS_PRINTER 7
357 #define USUBCLASS_PRINTER 1
358 #define UPROTO_PRINTER_UNI 1
359 #define UPROTO_PRINTER_BI 2
360 #define UCLASS_MASS 8
361 #define USUBCLASS_RBC 1
362 #define USUBCLASS_SFF8020I 2
363 #define USUBCLASS_QIC157 3
364 #define USUBCLASS_UFI 4
365 #define USUBCLASS_SFF8070I 5
366 #define USUBCLASS_SCSI 6
367 #define UPROTO_MASS_CBI_C 0
368 #define UPROTO_MASS_CBI_NC 1
369 #define UCLASS_HUB 9
370 #define USUBCLASS_HUB 0
371 #define UCLASS_DATA 10
372
373 #define USB_HUB_MAX_DEPTH 5
374
375 /*
376 * Minimum time a device needs to be powered down to go through
377 * a power cycle. XXX Are these time in the spec?
378 */
379 #define USB_POWER_DOWN_TIME 200 /* ms */
380 #define USB_PORT_POWER_DOWN_TIME 100 /* ms */
381
382 #if 0
383 /* These are the values from the spec. */
384 #define USB_PORT_RESET_DELAY 10 /* ms */
385 #define USB_PORT_RESET_SETTLE 10 /* ms */
386 #define USB_PORT_POWERUP_DELAY 100 /* ms */
387 #define USB_SET_ADDRESS_SETTLE 2 /* ms */
388 #define USB_RESUME_TIME (20*5) /* ms */
389 #define USB_RESUME_WAIT 10 /* ms */
390 #define USB_RESUME_RECOVERY 10 /* ms */
391 #else
392 /* Allow for marginal (i.e. non-conforming) devices. */
393 #define USB_PORT_RESET_DELAY 50 /* ms */
394 #define USB_PORT_RESET_RECOVERY 50 /* ms */
395 #define USB_PORT_POWERUP_DELAY 200 /* ms */
396 #define USB_SET_ADDRESS_SETTLE 10 /* ms */
397 #define USB_RESUME_DELAY (50*5) /* ms */
398 #define USB_RESUME_WAIT 50 /* ms */
399 #define USB_RESUME_RECOVERY 50 /* ms */
400 #endif
401
402 #define USB_MIN_POWER 100 /* mA */
403 #define USB_MAX_POWER 500 /* mA */
404
405 #define USB_BUS_RESET_DELAY 100 /* ms XXX?*/
406
407 /*** ioctl() related stuff ***/
408
409 struct usb_ctl_request {
410 int addr;
411 usb_device_request_t request;
412 void *data;
413 int flags;
414 /* XXX must match flags in usbdi.h */
415 #define USBD_SHORT_XFER_OK 0x04
416 int actlen; /* actual length transferred */
417 };
418
419 struct usb_alt_interface {
420 int config_index;
421 int interface_index;
422 int alt_no;
423 };
424
425 #define USB_CURRENT_CONFIG_INDEX (-1)
426 #define USB_CURRENT_ALT_INDEX (-1)
427
428 struct usb_config_desc {
429 int config_index;
430 usb_config_descriptor_t desc;
431 };
432
433 struct usb_interface_desc {
434 int config_index;
435 int interface_index;
436 int alt_index;
437 usb_interface_descriptor_t desc;
438 };
439
440 struct usb_endpoint_desc {
441 int config_index;
442 int interface_index;
443 int alt_index;
444 int endpoint_index;
445 usb_endpoint_descriptor_t desc;
446 };
447
448 struct usb_full_desc {
449 int config_index;
450 u_int size;
451 u_char *data;
452 };
453
454 struct usb_string_desc {
455 int string_index;
456 int language_id;
457 usb_string_descriptor_t desc;
458 };
459
460 struct usb_ctl_report_desc {
461 int size;
462 u_char data[1024]; /* filled data size will vary */
463 };
464
465 struct usb_device_info {
466 u_int8_t addr; /* device address */
467 char product[USB_MAX_STRING_LEN];
468 char vendor[USB_MAX_STRING_LEN];
469 char release[8];
470 u_int16_t productNo;
471 u_int16_t vendorNo;
472 u_int8_t class;
473 u_int8_t config;
474 u_int8_t lowspeed;
475 int power; /* power consumption in mA, 0 if selfpowered */
476 int nports;
477 u_int8_t ports[16];/* hub only: addresses of devices on ports */
478 #define USB_PORT_ENABLED 0xff
479 #define USB_PORT_SUSPENDED 0xfe
480 #define USB_PORT_POWERED 0xfd
481 #define USB_PORT_DISABLED 0xfc
482 };
483
484 struct usb_ctl_report {
485 int report;
486 u_char data[1024]; /* filled data size will vary */
487 };
488
489 struct usb_device_stats {
490 u_long requests[4]; /* indexed by transfer type UE_* */
491 };
492
493 /* USB controller */
494 #define USB_REQUEST _IOWR('U', 1, struct usb_ctl_request)
495 #define USB_SETDEBUG _IOW ('U', 2, int)
496 #define USB_DISCOVER _IO ('U', 3)
497 #define USB_DEVICEINFO _IOWR('U', 4, struct usb_device_info)
498 #define USB_DEVICESTATS _IOR ('U', 5, struct usb_device_stats)
499
500 /* Generic HID device */
501 #define USB_GET_REPORT_DESC _IOR ('U', 21, struct usb_ctl_report_desc)
502 #define USB_SET_IMMED _IOW ('U', 22, int)
503 #define USB_GET_REPORT _IOWR('U', 23, struct usb_ctl_report)
504
505 /* Generic USB device */
506 #define USB_GET_CONFIG _IOR ('U', 100, int)
507 #define USB_SET_CONFIG _IOW ('U', 101, int)
508 #define USB_GET_ALTINTERFACE _IOWR('U', 102, struct usb_alt_interface)
509 #define USB_SET_ALTINTERFACE _IOWR('U', 103, struct usb_alt_interface)
510 #define USB_GET_NO_ALT _IOWR('U', 104, struct usb_alt_interface)
511 #define USB_GET_DEVICE_DESC _IOR ('U', 105, usb_device_descriptor_t)
512 #define USB_GET_CONFIG_DESC _IOWR('U', 106, struct usb_config_desc)
513 #define USB_GET_INTERFACE_DESC _IOWR('U', 107, struct usb_interface_desc)
514 #define USB_GET_ENDPOINT_DESC _IOWR('U', 108, struct usb_endpoint_desc)
515 #define USB_GET_FULL_DESC _IOWR('U', 109, struct usb_full_desc)
516 #define USB_GET_STRING_DESC _IOWR('U', 110, struct usb_string_desc)
517 #define USB_DO_REQUEST _IOWR('U', 111, struct usb_ctl_request)
518 #define USB_GET_DEVICEINFO _IOR ('U', 112, struct usb_device_info)
519 #define USB_SET_SHORT_XFER _IOW ('U', 113, int)
520
521 /* Modem device */
522 #define USB_GET_CM_OVER_DATA _IOR ('U', 130, int)
523 #define USB_SET_CM_OVER_DATA _IOW ('U', 131, int)
524
525 #endif /* _USB_H_ */
526