1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3 * (C) Copyright 2003
4 * Gerry Hamel, geh@ti.com, Texas Instruments
5 *
6 * Based on linux/drivers/usbd/usbd.h
7 *
8 * Copyright (c) 2000, 2001, 2002 Lineo
9 * Copyright (c) 2001 Hewlett Packard
10 *
11 * By:
12 * Stuart Lynne <sl@lineo.com>,
13 * Tom Rushworth <tbr@lineo.com>,
14 * Bruce Balden <balden@lineo.com>
15 */
16
17 #ifndef __USBDCORE_H__
18 #define __USBDCORE_H__
19
20 #include <common.h>
21 #include "usbdescriptors.h"
22
23
24 #define MAX_URBS_QUEUED 5
25
26
27 #if 1
28 #define usberr(fmt,args...) serial_printf("ERROR: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args)
29 #else
30 #define usberr(fmt,args...) do{}while(0)
31 #endif
32
33 #if 0
34 #define usbdbg(fmt,args...) serial_printf("debug: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args)
35 #else
36 #define usbdbg(fmt,args...) do{}while(0)
37 #endif
38
39 #if 0
40 #define usbinfo(fmt,args...) serial_printf("info: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args)
41 #else
42 #define usbinfo(fmt,args...) do{}while(0)
43 #endif
44
45 #ifndef le16_to_cpu
46 #define le16_to_cpu(x) (x)
47 #endif
48
49 #ifndef inb
50 #define inb(p) (*(volatile u8*)(p))
51 #endif
52
53 #ifndef outb
54 #define outb(val,p) (*(volatile u8*)(p) = (val))
55 #endif
56
57 #ifndef inw
58 #define inw(p) (*(volatile u16*)(p))
59 #endif
60
61 #ifndef outw
62 #define outw(val,p) (*(volatile u16*)(p) = (val))
63 #endif
64
65 #ifndef inl
66 #define inl(p) (*(volatile u32*)(p))
67 #endif
68
69 #ifndef outl
70 #define outl(val,p) (*(volatile u32*)(p) = (val))
71 #endif
72
73 #ifndef insw
74 #define insw(p,to,len) mmio_insw(p,to,len)
75 #endif
76
77 #ifndef outsw
78 #define outsw(p,from,len) mmio_outsw(p,from,len)
79 #endif
80
81 #ifndef insb
82 #define insb(p,to,len) mmio_insb(p,to,len)
83 #endif
84
85 #ifndef mmio_insw
86 #define mmio_insw(r,b,l) ({ int __i ; \
87 u16 *__b2; \
88 __b2 = (u16 *) b; \
89 for (__i = 0; __i < l; __i++) { \
90 *(__b2 + __i) = inw(r); \
91 }; \
92 })
93 #endif
94
95 #ifndef mmio_outsw
96 #define mmio_outsw(r,b,l) ({ int __i; \
97 u16 *__b2; \
98 __b2 = (u16 *) b; \
99 for (__i = 0; __i < l; __i++) { \
100 outw( *(__b2 + __i), r); \
101 } \
102 })
103 #endif
104
105 #ifndef mmio_insb
106 #define mmio_insb(r,b,l) ({ int __i ; \
107 u8 *__b2; \
108 __b2 = (u8 *) b; \
109 for (__i = 0; __i < l; __i++) { \
110 *(__b2 + __i) = inb(r); \
111 }; \
112 })
113 #endif
114
115 /*
116 * Structure member address manipulation macros.
117 * These are used by client code (code using the urb_link routines), since
118 * the urb_link structure is embedded in the client data structures.
119 *
120 * Note: a macro offsetof equivalent to member_offset is defined in stddef.h
121 * but this is kept here for the sake of portability.
122 *
123 * p2surround returns a pointer to the surrounding structure given
124 * type of the surrounding structure, the name memb of the structure
125 * member pointed at by ptr. For example, if you have:
126 *
127 * struct foo {
128 * int x;
129 * float y;
130 * char z;
131 * } thingy;
132 *
133 * char *cp = &thingy.z;
134 *
135 * then
136 *
137 * &thingy == p2surround(struct foo, z, cp)
138 *
139 * Clear?
140 */
141 #define _cv_(ptr) ((char*)(void*)(ptr))
142 #define member_offset(type,memb) (_cv_(&(((type*)0)->memb))-(char*)0)
143 #define p2surround(type,memb,ptr) ((type*)(void*)(_cv_(ptr)-member_offset(type,memb)))
144
145 struct urb;
146
147 struct usb_endpoint_instance;
148 struct usb_interface_instance;
149 struct usb_configuration_instance;
150 struct usb_device_instance;
151 struct usb_bus_instance;
152
153 /*
154 * Device and/or Interface Class codes
155 */
156 #define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */
157 #define USB_CLASS_AUDIO 1
158 #define USB_CLASS_COMM 2
159 #define USB_CLASS_HID 3
160 #define USB_CLASS_PHYSICAL 5
161 #define USB_CLASS_PRINTER 7
162 #define USB_CLASS_MASS_STORAGE 8
163 #define USB_CLASS_HUB 9
164 #define USB_CLASS_DATA 10
165 #define USB_CLASS_APP_SPEC 0xfe
166 #define USB_CLASS_VENDOR_SPEC 0xff
167
168 /*
169 * USB types
170 */
171 #define USB_TYPE_STANDARD (0x00 << 5)
172 #define USB_TYPE_CLASS (0x01 << 5)
173 #define USB_TYPE_VENDOR (0x02 << 5)
174 #define USB_TYPE_RESERVED (0x03 << 5)
175
176 /*
177 * USB recipients
178 */
179 #define USB_RECIP_DEVICE 0x00
180 #define USB_RECIP_INTERFACE 0x01
181 #define USB_RECIP_ENDPOINT 0x02
182 #define USB_RECIP_OTHER 0x03
183
184 /*
185 * USB directions
186 */
187 #define USB_DIR_OUT 0
188 #define USB_DIR_IN 0x80
189
190 /*
191 * Descriptor types
192 */
193 #define USB_DT_DEVICE 0x01
194 #define USB_DT_CONFIG 0x02
195 #define USB_DT_STRING 0x03
196 #define USB_DT_INTERFACE 0x04
197 #define USB_DT_ENDPOINT 0x05
198
199 #define USB_DT_HID (USB_TYPE_CLASS | 0x01)
200 #define USB_DT_REPORT (USB_TYPE_CLASS | 0x02)
201 #define USB_DT_PHYSICAL (USB_TYPE_CLASS | 0x03)
202 #define USB_DT_HUB (USB_TYPE_CLASS | 0x09)
203
204 /*
205 * Descriptor sizes per descriptor type
206 */
207 #define USB_DT_DEVICE_SIZE 18
208 #define USB_DT_CONFIG_SIZE 9
209 #define USB_DT_INTERFACE_SIZE 9
210 #define USB_DT_ENDPOINT_SIZE 7
211 #define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */
212 #define USB_DT_HUB_NONVAR_SIZE 7
213 #define USB_DT_HID_SIZE 9
214
215 /*
216 * Endpoints
217 */
218 #define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */
219 #define USB_ENDPOINT_DIR_MASK 0x80
220
221 #define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */
222 #define USB_ENDPOINT_XFER_CONTROL 0
223 #define USB_ENDPOINT_XFER_ISOC 1
224 #define USB_ENDPOINT_XFER_BULK 2
225 #define USB_ENDPOINT_XFER_INT 3
226
227 /*
228 * USB Packet IDs (PIDs)
229 */
230 #define USB_PID_UNDEF_0 0xf0
231 #define USB_PID_OUT 0xe1
232 #define USB_PID_ACK 0xd2
233 #define USB_PID_DATA0 0xc3
234 #define USB_PID_PING 0xb4 /* USB 2.0 */
235 #define USB_PID_SOF 0xa5
236 #define USB_PID_NYET 0x96 /* USB 2.0 */
237 #define USB_PID_DATA2 0x87 /* USB 2.0 */
238 #define USB_PID_SPLIT 0x78 /* USB 2.0 */
239 #define USB_PID_IN 0x69
240 #define USB_PID_NAK 0x5a
241 #define USB_PID_DATA1 0x4b
242 #define USB_PID_PREAMBLE 0x3c /* Token mode */
243 #define USB_PID_ERR 0x3c /* USB 2.0: handshake mode */
244 #define USB_PID_SETUP 0x2d
245 #define USB_PID_STALL 0x1e
246 #define USB_PID_MDATA 0x0f /* USB 2.0 */
247
248 /*
249 * Standard requests
250 */
251 #define USB_REQ_GET_STATUS 0x00
252 #define USB_REQ_CLEAR_FEATURE 0x01
253 #define USB_REQ_SET_FEATURE 0x03
254 #define USB_REQ_SET_ADDRESS 0x05
255 #define USB_REQ_GET_DESCRIPTOR 0x06
256 #define USB_REQ_SET_DESCRIPTOR 0x07
257 #define USB_REQ_GET_CONFIGURATION 0x08
258 #define USB_REQ_SET_CONFIGURATION 0x09
259 #define USB_REQ_GET_INTERFACE 0x0A
260 #define USB_REQ_SET_INTERFACE 0x0B
261 #define USB_REQ_SYNCH_FRAME 0x0C
262
263 /*
264 * HID requests
265 */
266 #define USB_REQ_GET_REPORT 0x01
267 #define USB_REQ_GET_IDLE 0x02
268 #define USB_REQ_GET_PROTOCOL 0x03
269 #define USB_REQ_SET_REPORT 0x09
270 #define USB_REQ_SET_IDLE 0x0A
271 #define USB_REQ_SET_PROTOCOL 0x0B
272
273
274 /*
275 * USB Spec Release number
276 */
277
278 #define USB_BCD_VERSION 0x0110
279
280
281 /*
282 * Device Requests (c.f Table 9-2)
283 */
284
285 #define USB_REQ_DIRECTION_MASK 0x80
286 #define USB_REQ_TYPE_MASK 0x60
287 #define USB_REQ_RECIPIENT_MASK 0x1f
288
289 #define USB_REQ_DEVICE2HOST 0x80
290 #define USB_REQ_HOST2DEVICE 0x00
291
292 #define USB_REQ_TYPE_STANDARD 0x00
293 #define USB_REQ_TYPE_CLASS 0x20
294 #define USB_REQ_TYPE_VENDOR 0x40
295
296 #define USB_REQ_RECIPIENT_DEVICE 0x00
297 #define USB_REQ_RECIPIENT_INTERFACE 0x01
298 #define USB_REQ_RECIPIENT_ENDPOINT 0x02
299 #define USB_REQ_RECIPIENT_OTHER 0x03
300
301 /*
302 * get status bits
303 */
304
305 #define USB_STATUS_SELFPOWERED 0x01
306 #define USB_STATUS_REMOTEWAKEUP 0x02
307
308 #define USB_STATUS_HALT 0x01
309
310 /*
311 * descriptor types
312 */
313
314 #define USB_DESCRIPTOR_TYPE_DEVICE 0x01
315 #define USB_DESCRIPTOR_TYPE_CONFIGURATION 0x02
316 #define USB_DESCRIPTOR_TYPE_STRING 0x03
317 #define USB_DESCRIPTOR_TYPE_INTERFACE 0x04
318 #define USB_DESCRIPTOR_TYPE_ENDPOINT 0x05
319 #define USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER 0x06
320 #define USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONFIGURATION 0x07
321 #define USB_DESCRIPTOR_TYPE_INTERFACE_POWER 0x08
322 #define USB_DESCRIPTOR_TYPE_HID 0x21
323 #define USB_DESCRIPTOR_TYPE_REPORT 0x22
324
325 /*
326 * standard feature selectors
327 */
328 #define USB_ENDPOINT_HALT 0x00
329 #define USB_DEVICE_REMOTE_WAKEUP 0x01
330 #define USB_TEST_MODE 0x02
331
332
333 /* USB Requests
334 *
335 */
336
337 struct usb_device_request {
338 u8 bmRequestType;
339 u8 bRequest;
340 u16 wValue;
341 u16 wIndex;
342 u16 wLength;
343 } __attribute__ ((packed));
344
345
346 /* USB Status
347 *
348 */
349 typedef enum urb_send_status {
350 SEND_IN_PROGRESS,
351 SEND_FINISHED_OK,
352 SEND_FINISHED_ERROR,
353 RECV_READY,
354 RECV_OK,
355 RECV_ERROR
356 } urb_send_status_t;
357
358 /*
359 * Device State (c.f USB Spec 2.0 Figure 9-1)
360 *
361 * What state the usb device is in.
362 *
363 * Note the state does not change if the device is suspended, we simply set a
364 * flag to show that it is suspended.
365 *
366 */
367 typedef enum usb_device_state {
368 STATE_INIT, /* just initialized */
369 STATE_CREATED, /* just created */
370 STATE_ATTACHED, /* we are attached */
371 STATE_POWERED, /* we have seen power indication (electrical bus signal) */
372 STATE_DEFAULT, /* we been reset */
373 STATE_ADDRESSED, /* we have been addressed (in default configuration) */
374 STATE_CONFIGURED, /* we have seen a set configuration device command */
375 STATE_UNKNOWN, /* destroyed */
376 } usb_device_state_t;
377
378 /*
379 * Device status
380 *
381 * Overall state
382 */
383 typedef enum usb_device_status {
384 USBD_OPENING, /* we are currently opening */
385 USBD_OK, /* ok to use */
386 USBD_SUSPENDED, /* we are currently suspended */
387 USBD_CLOSING, /* we are currently closing */
388 } usb_device_status_t;
389
390 /*
391 * Device Events
392 *
393 * These are defined in the USB Spec (c.f USB Spec 2.0 Figure 9-1).
394 *
395 * There are additional events defined to handle some extra actions we need
396 * to have handled.
397 *
398 */
399 typedef enum usb_device_event {
400
401 DEVICE_UNKNOWN, /* bi - unknown event */
402 DEVICE_INIT, /* bi - initialize */
403 DEVICE_CREATE, /* bi - */
404 DEVICE_HUB_CONFIGURED, /* bi - bus has been plugged int */
405 DEVICE_RESET, /* bi - hub has powered our port */
406
407 DEVICE_ADDRESS_ASSIGNED, /* ep0 - set address setup received */
408 DEVICE_CONFIGURED, /* ep0 - set configure setup received */
409 DEVICE_SET_INTERFACE, /* ep0 - set interface setup received */
410
411 DEVICE_SET_FEATURE, /* ep0 - set feature setup received */
412 DEVICE_CLEAR_FEATURE, /* ep0 - clear feature setup received */
413
414 DEVICE_DE_CONFIGURED, /* ep0 - set configure setup received for ?? */
415
416 DEVICE_BUS_INACTIVE, /* bi - bus in inactive (no SOF packets) */
417 DEVICE_BUS_ACTIVITY, /* bi - bus is active again */
418
419 DEVICE_POWER_INTERRUPTION, /* bi - hub has depowered our port */
420 DEVICE_HUB_RESET, /* bi - bus has been unplugged */
421 DEVICE_DESTROY, /* bi - device instance should be destroyed */
422
423 DEVICE_HOTPLUG, /* bi - a hotplug event has occurred */
424
425 DEVICE_FUNCTION_PRIVATE, /* function - private */
426
427 } usb_device_event_t;
428
429
430 typedef struct urb_link {
431 struct urb_link *next;
432 struct urb_link *prev;
433 } urb_link;
434
435 /* USB Data structure - for passing data around.
436 *
437 * This is used for both sending and receiving data.
438 *
439 * The callback function is used to let the function driver know when
440 * transmitted data has been sent.
441 *
442 * The callback function is set by the alloc_recv function when an urb is
443 * allocated for receiving data for an endpoint and used to call the
444 * function driver to inform it that data has arrived.
445 */
446
447 /* in linux we'd malloc this, but in u-boot we prefer static data */
448 #define URB_BUF_SIZE 512
449
450 struct urb {
451
452 struct usb_endpoint_instance *endpoint;
453 struct usb_device_instance *device;
454
455 struct usb_device_request device_request; /* contents of received SETUP packet */
456
457 struct urb_link link; /* embedded struct for circular doubly linked list of urbs */
458
459 u8* buffer;
460 unsigned int buffer_length;
461 unsigned int actual_length;
462
463 urb_send_status_t status;
464 int data;
465
466 u16 buffer_data[URB_BUF_SIZE]; /* data received (OUT) or being sent (IN) */
467 };
468
469 /* Endpoint configuration
470 *
471 * Per endpoint configuration data. Used to track which function driver owns
472 * an endpoint.
473 *
474 */
475 struct usb_endpoint_instance {
476 int endpoint_address; /* logical endpoint address */
477
478 /* control */
479 int status; /* halted */
480 int state; /* available for use by bus interface driver */
481
482 /* receive side */
483 struct urb_link rcv; /* received urbs */
484 struct urb_link rdy; /* empty urbs ready to receive */
485 struct urb *rcv_urb; /* active urb */
486 int rcv_attributes; /* copy of bmAttributes from endpoint descriptor */
487 int rcv_packetSize; /* maximum packet size from endpoint descriptor */
488 int rcv_transferSize; /* maximum transfer size from function driver */
489 int rcv_queue;
490
491 /* transmit side */
492 struct urb_link tx; /* urbs ready to transmit */
493 struct urb_link done; /* transmitted urbs */
494 struct urb *tx_urb; /* active urb */
495 int tx_attributes; /* copy of bmAttributes from endpoint descriptor */
496 int tx_packetSize; /* maximum packet size from endpoint descriptor */
497 int tx_transferSize; /* maximum transfer size from function driver */
498 int tx_queue;
499
500 int sent; /* data already sent */
501 int last; /* data sent in last packet XXX do we need this */
502 };
503
504 struct usb_alternate_instance {
505 struct usb_interface_descriptor *interface_descriptor;
506
507 int endpoints;
508 int *endpoint_transfersize_array;
509 struct usb_endpoint_descriptor **endpoints_descriptor_array;
510 };
511
512 struct usb_interface_instance {
513 int alternates;
514 struct usb_alternate_instance *alternates_instance_array;
515 };
516
517 struct usb_configuration_instance {
518 int interfaces;
519 struct usb_configuration_descriptor *configuration_descriptor;
520 struct usb_interface_instance *interface_instance_array;
521 };
522
523
524 /* USB Device Instance
525 *
526 * For each physical bus interface we create a logical device structure. This
527 * tracks all of the required state to track the USB HOST's view of the device.
528 *
529 * Keep track of the device configuration for a real physical bus interface,
530 * this includes the bus interface, multiple function drivers, the current
531 * configuration and the current state.
532 *
533 * This will show:
534 * the specific bus interface driver
535 * the default endpoint 0 driver
536 * the configured function driver
537 * device state
538 * device status
539 * endpoint list
540 */
541
542 struct usb_device_instance {
543
544 /* generic */
545 char *name;
546 struct usb_device_descriptor *device_descriptor; /* per device descriptor */
547
548 void (*event) (struct usb_device_instance *device, usb_device_event_t event, int data);
549
550 /* Do cdc device specific control requests */
551 int (*cdc_recv_setup)(struct usb_device_request *request, struct urb *urb);
552
553 /* bus interface */
554 struct usb_bus_instance *bus; /* which bus interface driver */
555
556 /* configuration descriptors */
557 int configurations;
558 struct usb_configuration_instance *configuration_instance_array;
559
560 /* device state */
561 usb_device_state_t device_state; /* current USB Device state */
562 usb_device_state_t device_previous_state; /* current USB Device state */
563
564 u8 address; /* current address (zero is default) */
565 u8 configuration; /* current show configuration (zero is default) */
566 u8 interface; /* current interface (zero is default) */
567 u8 alternate; /* alternate flag */
568
569 usb_device_status_t status; /* device status */
570
571 int urbs_queued; /* number of submitted urbs */
572
573 /* Shouldn't need to make this atomic, all we need is a change indicator */
574 unsigned long usbd_rxtx_timestamp;
575 unsigned long usbd_last_rxtx_timestamp;
576
577 };
578
579 /* Bus Interface configuration structure
580 *
581 * This is allocated for each configured instance of a bus interface driver.
582 *
583 * The privdata pointer may be used by the bus interface driver to store private
584 * per instance state information.
585 */
586 struct usb_bus_instance {
587
588 struct usb_device_instance *device;
589 struct usb_endpoint_instance *endpoint_array; /* array of available configured endpoints */
590
591 int max_endpoints; /* maximimum number of rx enpoints */
592 unsigned char maxpacketsize;
593
594 unsigned int serial_number;
595 char *serial_number_str;
596 void *privdata; /* private data for the bus interface */
597
598 };
599
600 void urb_link_init (urb_link * ul);
601 void urb_detach (struct urb *urb);
602 urb_link *first_urb_link (urb_link * hd);
603 struct urb *first_urb (urb_link * hd);
604 struct urb *first_urb_detached (urb_link * hd);
605 void urb_append (urb_link * hd, struct urb *urb);
606
607 struct urb *usbd_alloc_urb (struct usb_device_instance *device, struct usb_endpoint_instance *endpoint);
608 void usbd_dealloc_urb (struct urb *urb);
609
610 /*
611 * usbd_device_event is used by bus interface drivers to tell the higher layers that
612 * certain events have taken place.
613 */
614 void usbd_device_event_irq (struct usb_device_instance *conf, usb_device_event_t, int);
615 void usbd_device_event (struct usb_device_instance *conf, usb_device_event_t, int);
616
617 /* descriptors
618 *
619 * Various ways of finding descriptors based on the current device and any
620 * possible configuration / interface / endpoint for it.
621 */
622 struct usb_configuration_descriptor *usbd_device_configuration_descriptor (struct usb_device_instance *, int, int);
623 struct usb_function_instance *usbd_device_function_instance (struct usb_device_instance *, unsigned int);
624 struct usb_interface_instance *usbd_device_interface_instance (struct usb_device_instance *, int, int, int);
625 struct usb_alternate_instance *usbd_device_alternate_instance (struct usb_device_instance *, int, int, int, int);
626 struct usb_interface_descriptor *usbd_device_interface_descriptor (struct usb_device_instance *, int, int, int, int);
627 struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor_index (struct usb_device_instance *, int, int, int, int, int);
628 struct usb_class_descriptor *usbd_device_class_descriptor_index (struct usb_device_instance *, int, int, int, int, int);
629 struct usb_class_report_descriptor *usbd_device_class_report_descriptor_index( struct usb_device_instance *, int , int , int , int , int );
630 struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor (struct usb_device_instance *, int, int, int, int, int);
631 int usbd_device_endpoint_transfersize (struct usb_device_instance *, int, int, int, int, int);
632 struct usb_string_descriptor *usbd_get_string (u8);
633 struct usb_device_descriptor *usbd_device_device_descriptor(struct
634 usb_device_instance *, int);
635
636 int usbd_endpoint_halted (struct usb_device_instance *device, int endpoint);
637 void usbd_rcv_complete(struct usb_endpoint_instance *endpoint, int len, int urb_bad);
638 void usbd_tx_complete (struct usb_endpoint_instance *endpoint);
639
640 /* These are macros used in debugging */
641 #ifdef DEBUG
print_urb(struct urb * u)642 static inline void print_urb(struct urb *u)
643 {
644 serial_printf("urb %p\n", (u));
645 serial_printf("\tendpoint %p\n", u->endpoint);
646 serial_printf("\tdevice %p\n", u->device);
647 serial_printf("\tbuffer %p\n", u->buffer);
648 serial_printf("\tbuffer_length %d\n", u->buffer_length);
649 serial_printf("\tactual_length %d\n", u->actual_length);
650 serial_printf("\tstatus %d\n", u->status);
651 serial_printf("\tdata %d\n", u->data);
652 }
653
print_usb_device_request(struct usb_device_request * r)654 static inline void print_usb_device_request(struct usb_device_request *r)
655 {
656 serial_printf("usb request\n");
657 serial_printf("\tbmRequestType 0x%2.2x\n", r->bmRequestType);
658 if ((r->bmRequestType & USB_REQ_DIRECTION_MASK) == 0)
659 serial_printf("\t\tDirection : To device\n");
660 else
661 serial_printf("\t\tDirection : To host\n");
662 if ((r->bmRequestType & USB_TYPE_STANDARD) == USB_TYPE_STANDARD)
663 serial_printf("\t\tType : Standard\n");
664 if ((r->bmRequestType & USB_TYPE_CLASS) == USB_TYPE_CLASS)
665 serial_printf("\t\tType : Standard\n");
666 if ((r->bmRequestType & USB_TYPE_VENDOR) == USB_TYPE_VENDOR)
667 serial_printf("\t\tType : Standard\n");
668 if ((r->bmRequestType & USB_TYPE_RESERVED) == USB_TYPE_RESERVED)
669 serial_printf("\t\tType : Standard\n");
670 if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
671 USB_REQ_RECIPIENT_DEVICE)
672 serial_printf("\t\tRecipient : Device\n");
673 if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
674 USB_REQ_RECIPIENT_INTERFACE)
675 serial_printf("\t\tRecipient : Interface\n");
676 if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
677 USB_REQ_RECIPIENT_ENDPOINT)
678 serial_printf("\t\tRecipient : Endpoint\n");
679 if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
680 USB_REQ_RECIPIENT_OTHER)
681 serial_printf("\t\tRecipient : Other\n");
682 serial_printf("\tbRequest 0x%2.2x\n", r->bRequest);
683 if (r->bRequest == USB_REQ_GET_STATUS)
684 serial_printf("\t\tGET_STATUS\n");
685 else if (r->bRequest == USB_REQ_SET_ADDRESS)
686 serial_printf("\t\tSET_ADDRESS\n");
687 else if (r->bRequest == USB_REQ_SET_FEATURE)
688 serial_printf("\t\tSET_FEATURE\n");
689 else if (r->bRequest == USB_REQ_GET_DESCRIPTOR)
690 serial_printf("\t\tGET_DESCRIPTOR\n");
691 else if (r->bRequest == USB_REQ_SET_CONFIGURATION)
692 serial_printf("\t\tSET_CONFIGURATION\n");
693 else if (r->bRequest == USB_REQ_SET_INTERFACE)
694 serial_printf("\t\tUSB_REQ_SET_INTERFACE\n");
695 else
696 serial_printf("\tUNKNOWN %d\n", r->bRequest);
697 serial_printf("\twValue 0x%4.4x\n", r->wValue);
698 if (r->bRequest == USB_REQ_GET_DESCRIPTOR) {
699 switch (r->wValue >> 8) {
700 case USB_DESCRIPTOR_TYPE_DEVICE:
701 serial_printf("\tDEVICE\n");
702 break;
703 case USB_DESCRIPTOR_TYPE_CONFIGURATION:
704 serial_printf("\tCONFIGURATION\n");
705 break;
706 case USB_DESCRIPTOR_TYPE_STRING:
707 serial_printf("\tSTRING\n");
708 break;
709 case USB_DESCRIPTOR_TYPE_INTERFACE:
710 serial_printf("\tINTERFACE\n");
711 break;
712 case USB_DESCRIPTOR_TYPE_ENDPOINT:
713 serial_printf("\tENDPOINT\n");
714 break;
715 case USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER:
716 serial_printf("\tDEVICE_QUALIFIER\n");
717 break;
718 case USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONFIGURATION:
719 serial_printf("\tOTHER_SPEED_CONFIGURATION\n");
720 break;
721 case USB_DESCRIPTOR_TYPE_INTERFACE_POWER:
722 serial_printf("\tINTERFACE_POWER\n");
723 break;
724 case USB_DESCRIPTOR_TYPE_HID:
725 serial_printf("\tHID\n");
726 break;
727 case USB_DESCRIPTOR_TYPE_REPORT:
728 serial_printf("\tREPORT\n");
729 break;
730 default:
731 serial_printf("\tUNKNOWN TYPE\n");
732 break;
733 }
734 }
735 serial_printf("\twIndex 0x%4.4x\n", r->wIndex);
736 serial_printf("\twLength 0x%4.4x\n", r->wLength);
737 }
738 #else
739 /* stubs */
740 #define print_urb(u)
741 #define print_usb_device_request(r)
742 #endif /* DEBUG */
743 #endif
744