usb.h revision 1.23 1 /* $NetBSD: usb.h,v 1.23 1999/06/30 06:44:23 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__)
46 #include <sys/ioctl.h>
47 #endif
48
49 #if defined(__NetBSD__)
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 } usb_endpoint_descriptor_t;
238 #define USB_ENDPOINT_DESCRIPTOR_SIZE 7
239
240 typedef struct {
241 uByte bLength;
242 uByte bDescriptorType;
243 uWord bString[127];
244 } usb_string_descriptor_t;
245 #define USB_MAX_STRING_LEN 128
246 #define USB_LANGUAGE_TABLE 0 /* # of the string language id table */
247
248 /* Hub specific request */
249 #define UR_GET_BUS_STATE 0x02
250
251 /* Hub features */
252 #define UHF_C_HUB_LOCAL_POWER 0
253 #define UHF_C_HUB_OVER_CURRENT 1
254 #define UHF_PORT_CONNECTION 0
255 #define UHF_PORT_ENABLE 1
256 #define UHF_PORT_SUSPEND 2
257 #define UHF_PORT_OVER_CURRENT 3
258 #define UHF_PORT_RESET 4
259 #define UHF_PORT_POWER 8
260 #define UHF_PORT_LOW_SPEED 9
261 #define UHF_C_PORT_CONNECTION 16
262 #define UHF_C_PORT_ENABLE 17
263 #define UHF_C_PORT_SUSPEND 18
264 #define UHF_C_PORT_OVER_CURRENT 19
265 #define UHF_C_PORT_RESET 20
266
267 typedef struct {
268 uByte bDescLength;
269 uByte bDescriptorType;
270 uByte bNbrPorts;
271 uWord wHubCharacteristics;
272 #define UHD_PWR 0x03
273 #define UHD_PWR_GANGED 0x00
274 #define UHD_PWR_INDIVIDUAL 0x01
275 #define UHD_PWR_NO_SWITCH 0x02
276 #define UHD_COMPOUND 0x04
277 #define UHD_OC 0x18
278 #define UHD_OC_GLOBAL 0x00
279 #define UHD_OC_INDIVIDUAL 0x08
280 #define UHD_OC_NONE 0x10
281 uByte bPwrOn2PwrGood; /* delay in 2 ms units */
282 #define UHD_PWRON_FACTOR 2
283 uByte bHubContrCurrent;
284 uByte DeviceRemovable[32]; /* max 255 ports */
285 #define UHD_NOT_REMOV(desc, i) \
286 (((desc)->DeviceRemovable[(i)/8] >> ((i) % 8)) & 1)
287 /* deprecated uByte PortPowerCtrlMask[]; */
288 } usb_hub_descriptor_t;
289 #define USB_HUB_DESCRIPTOR_SIZE 8
290
291 typedef struct {
292 uWord wStatus;
293 /* Device status flags */
294 #define UDS_SELF_POWERED 0x0001
295 #define UDS_REMOTE_WAKEUP 0x0002
296 /* Endpoint status flags */
297 #define UES_HALT 0x0001
298 } usb_status_t;
299
300 typedef struct {
301 uWord wHubStatus;
302 #define UHS_LOCAL_POWER 0x0001
303 #define UHS_OVER_CURRENT 0x0002
304 uWord wHubChange;
305 } usb_hub_status_t;
306
307 typedef struct {
308 uWord wPortStatus;
309 #define UPS_CURRENT_CONNECT_STATUS 0x0001
310 #define UPS_PORT_ENABLED 0x0002
311 #define UPS_SUSPEND 0x0004
312 #define UPS_OVERCURRENT_INDICATOR 0x0008
313 #define UPS_RESET 0x0010
314 #define UPS_PORT_POWER 0x0100
315 #define UPS_LOW_SPEED 0x0200
316 uWord wPortChange;
317 #define UPS_C_CONNECT_STATUS 0x0001
318 #define UPS_C_PORT_ENABLED 0x0002
319 #define UPS_C_SUSPEND 0x0004
320 #define UPS_C_OVERCURRENT_INDICATOR 0x0008
321 #define UPS_C_PORT_RESET 0x0010
322 } usb_port_status_t;
323
324 #define UDESC_CS_DEVICE 0x21
325 #define UDESC_CS_CONFIG 0x22
326 #define UDESC_CS_STRING 0x23
327 #define UDESC_CS_INTERFACE 0x24
328 #define UDESC_CS_ENDPOINT 0x25
329
330 #define UDESC_HUB 0x29
331
332 #define UCLASS_UNSPEC 0
333 #define UCLASS_AUDIO 1
334 #define USUBCLASS_AUDIOCONTROL 1
335 #define USUBCLASS_AUDIOSTREAM 2
336 #define UCLASS_CDC 2 /* communication */
337 #define USUBCLASS_DIRECT_LINE_CONTROL_MODEL 1
338 #define USUBCLASS_ABSTRACT_CONTROL_MODEL 2
339 #define USUBCLASS_TELEPHONE_CONTROL_MODEL 3
340 #define USUBCLASS_MULTICHANNEL_CONTROL_MODEL 4
341 #define USUBCLASS_CAPI_CONTROLMODEL 5
342 #define USUBCLASS_ETHERNET_NETWORKING_CONTROL_MODEL 6
343 #define USUBCLASS_ATM_NETWORKING_CONTROL_MODEL 7
344 #define UPROTO_CDC_AT 1
345 #define UCLASS_HID 3
346 #define USUBCLASS_BOOT 1
347 #define UCLASS_PRINTER 7
348 #define USUBCLASS_PRINTER 1
349 #define UPROTO_PRINTER_UNI 1
350 #define UPROTO_PRINTER_BI 2
351 #define UCLASS_MASS 8
352 #define USUBCLASS_RBC 1
353 #define USUBCLASS_SFF8020I 2
354 #define USUBCLASS_QIC157 3
355 #define USUBCLASS_UFI 4
356 #define USUBCLASS_SFF8070I 5
357 #define USUBCLASS_SCSI 6
358 #define UPROTO_MASS_CBI_C 0
359 #define UPROTO_MASS_CBI_NC 1
360 #define UCLASS_HUB 9
361 #define USUBCLASS_HUB 0
362 #define UCLASS_DATA 10
363
364 #define USB_HUB_MAX_DEPTH 5
365
366 /*
367 * Minimum time a device needs to be powered down to go through
368 * a power cycle. XXX Are these time in the spec?
369 */
370 #define USB_POWER_DOWN_TIME 200 /* ms */
371 #define USB_PORT_POWER_DOWN_TIME 100 /* ms */
372
373 #if 0
374 /* These are the values from the spec. */
375 #define USB_PORT_RESET_DELAY 10 /* ms */
376 #define USB_PORT_RESET_SETTLE 10 /* ms */
377 #define USB_PORT_POWERUP_DELAY 100 /* ms */
378 #define USB_SET_ADDRESS_SETTLE 2 /* ms */
379 #define USB_RESUME_TIME (20*5) /* ms */
380 #define USB_RESUME_WAIT 10 /* ms */
381 #define USB_RESUME_RECOVERY 10 /* ms */
382 #else
383 /* Allow for marginal (i.e. non-conforming) devices. */
384 #define USB_PORT_RESET_DELAY 50 /* ms */
385 #define USB_PORT_RESET_RECOVERY 50 /* ms */
386 #define USB_PORT_POWERUP_DELAY 200 /* ms */
387 #define USB_SET_ADDRESS_SETTLE 10 /* ms */
388 #define USB_RESUME_DELAY (50*5) /* ms */
389 #define USB_RESUME_WAIT 50 /* ms */
390 #define USB_RESUME_RECOVERY 50 /* ms */
391 #endif
392
393 #define USB_MIN_POWER 100 /* mA */
394 #define USB_MAX_POWER 500 /* mA */
395
396 #define USB_BUS_RESET_DELAY 100 /* ms XXX?*/
397
398 /*** ioctl() related stuff ***/
399
400 struct usb_ctl_request {
401 int addr;
402 usb_device_request_t request;
403 void *data;
404 int flags;
405 /* XXX must match flags in usbdi.h */
406 #define USBD_SHORT_XFER_OK 0x04
407 int actlen; /* actual length transferred */
408 };
409
410 struct usb_alt_interface {
411 int config_index;
412 int interface_index;
413 int alt_no;
414 };
415
416 #define USB_CURRENT_CONFIG_INDEX (-1)
417 #define USB_CURRENT_ALT_INDEX (-1)
418
419 struct usb_config_desc {
420 int config_index;
421 usb_config_descriptor_t desc;
422 };
423
424 struct usb_interface_desc {
425 int config_index;
426 int interface_index;
427 int alt_index;
428 usb_interface_descriptor_t desc;
429 };
430
431 struct usb_endpoint_desc {
432 int config_index;
433 int interface_index;
434 int alt_index;
435 int endpoint_index;
436 usb_endpoint_descriptor_t desc;
437 };
438
439 struct usb_full_desc {
440 int config_index;
441 u_int size;
442 u_char *data;
443 };
444
445 struct usb_string_desc {
446 int string_index;
447 int language_id;
448 usb_string_descriptor_t desc;
449 };
450
451 struct usb_ctl_report_desc {
452 int size;
453 u_char data[1024]; /* filled data size will vary */
454 };
455
456 struct usb_device_info {
457 u_int8_t addr; /* device address */
458 char product[USB_MAX_STRING_LEN];
459 char vendor[USB_MAX_STRING_LEN];
460 char release[8];
461 u_int16_t productNo;
462 u_int16_t vendorNo;
463 u_int8_t class;
464 u_int8_t config;
465 u_int8_t lowspeed;
466 int power; /* power consumption in mA, 0 if selfpowered */
467 int nports;
468 u_int8_t ports[16];/* hub only: addresses of devices on ports */
469 #define USB_PORT_ENABLED 0xff
470 #define USB_PORT_SUSPENDED 0xfe
471 #define USB_PORT_POWERED 0xfd
472 #define USB_PORT_DISABLED 0xfc
473 };
474
475 struct usb_ctl_report {
476 int report;
477 u_char data[1024]; /* filled data size will vary */
478 };
479
480 struct usb_device_stats {
481 u_long requests[4]; /* indexed by transfer type UE_* */
482 };
483
484 /* USB controller */
485 #define USB_REQUEST _IOWR('U', 1, struct usb_ctl_request)
486 #define USB_SETDEBUG _IOW ('U', 2, int)
487 #define USB_DISCOVER _IO ('U', 3)
488 #define USB_DEVICEINFO _IOWR('U', 4, struct usb_device_info)
489 #define USB_DEVICESTATS _IOR ('U', 5, struct usb_device_stats)
490
491 /* Generic HID device */
492 #define USB_GET_REPORT_DESC _IOR ('U', 21, struct usb_ctl_report_desc)
493 #define USB_SET_IMMED _IOW ('U', 22, int)
494 #define USB_GET_REPORT _IOWR('U', 23, struct usb_ctl_report)
495
496 /* Generic USB device */
497 #define USB_GET_CONFIG _IOR ('U', 100, int)
498 #define USB_SET_CONFIG _IOW ('U', 101, int)
499 #define USB_GET_ALTINTERFACE _IOWR('U', 102, struct usb_alt_interface)
500 #define USB_SET_ALTINTERFACE _IOWR('U', 103, struct usb_alt_interface)
501 #define USB_GET_NO_ALT _IOWR('U', 104, struct usb_alt_interface)
502 #define USB_GET_DEVICE_DESC _IOR ('U', 105, usb_device_descriptor_t)
503 #define USB_GET_CONFIG_DESC _IOWR('U', 106, struct usb_config_desc)
504 #define USB_GET_INTERFACE_DESC _IOWR('U', 107, struct usb_interface_desc)
505 #define USB_GET_ENDPOINT_DESC _IOWR('U', 108, struct usb_endpoint_desc)
506 #define USB_GET_FULL_DESC _IOWR('U', 109, struct usb_full_desc)
507 #define USB_GET_STRING_DESC _IOWR('U', 110, struct usb_string_desc)
508 #define USB_DO_REQUEST _IOWR('U', 111, struct usb_ctl_request)
509 #define USB_GET_DEVICEINFO _IOR ('U', 112, struct usb_device_info)
510 #define USB_SET_SHORT_XFER _IOW ('U', 113, int)
511
512 #endif /* _USB_H_ */
513