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 #if defined(CONFIG_USBD_HS)
200 #define USB_DT_QUAL 0x06
201 #endif
202
203 #define USB_DT_HID (USB_TYPE_CLASS | 0x01)
204 #define USB_DT_REPORT (USB_TYPE_CLASS | 0x02)
205 #define USB_DT_PHYSICAL (USB_TYPE_CLASS | 0x03)
206 #define USB_DT_HUB (USB_TYPE_CLASS | 0x09)
207
208 /*
209 * Descriptor sizes per descriptor type
210 */
211 #define USB_DT_DEVICE_SIZE 18
212 #define USB_DT_CONFIG_SIZE 9
213 #define USB_DT_INTERFACE_SIZE 9
214 #define USB_DT_ENDPOINT_SIZE 7
215 #define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */
216 #define USB_DT_HUB_NONVAR_SIZE 7
217 #define USB_DT_HID_SIZE 9
218
219 /*
220 * Endpoints
221 */
222 #define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */
223 #define USB_ENDPOINT_DIR_MASK 0x80
224
225 #define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */
226 #define USB_ENDPOINT_XFER_CONTROL 0
227 #define USB_ENDPOINT_XFER_ISOC 1
228 #define USB_ENDPOINT_XFER_BULK 2
229 #define USB_ENDPOINT_XFER_INT 3
230
231 /*
232 * USB Packet IDs (PIDs)
233 */
234 #define USB_PID_UNDEF_0 0xf0
235 #define USB_PID_OUT 0xe1
236 #define USB_PID_ACK 0xd2
237 #define USB_PID_DATA0 0xc3
238 #define USB_PID_PING 0xb4 /* USB 2.0 */
239 #define USB_PID_SOF 0xa5
240 #define USB_PID_NYET 0x96 /* USB 2.0 */
241 #define USB_PID_DATA2 0x87 /* USB 2.0 */
242 #define USB_PID_SPLIT 0x78 /* USB 2.0 */
243 #define USB_PID_IN 0x69
244 #define USB_PID_NAK 0x5a
245 #define USB_PID_DATA1 0x4b
246 #define USB_PID_PREAMBLE 0x3c /* Token mode */
247 #define USB_PID_ERR 0x3c /* USB 2.0: handshake mode */
248 #define USB_PID_SETUP 0x2d
249 #define USB_PID_STALL 0x1e
250 #define USB_PID_MDATA 0x0f /* USB 2.0 */
251
252 /*
253 * Standard requests
254 */
255 #define USB_REQ_GET_STATUS 0x00
256 #define USB_REQ_CLEAR_FEATURE 0x01
257 #define USB_REQ_SET_FEATURE 0x03
258 #define USB_REQ_SET_ADDRESS 0x05
259 #define USB_REQ_GET_DESCRIPTOR 0x06
260 #define USB_REQ_SET_DESCRIPTOR 0x07
261 #define USB_REQ_GET_CONFIGURATION 0x08
262 #define USB_REQ_SET_CONFIGURATION 0x09
263 #define USB_REQ_GET_INTERFACE 0x0A
264 #define USB_REQ_SET_INTERFACE 0x0B
265 #define USB_REQ_SYNCH_FRAME 0x0C
266
267 /*
268 * HID requests
269 */
270 #define USB_REQ_GET_REPORT 0x01
271 #define USB_REQ_GET_IDLE 0x02
272 #define USB_REQ_GET_PROTOCOL 0x03
273 #define USB_REQ_SET_REPORT 0x09
274 #define USB_REQ_SET_IDLE 0x0A
275 #define USB_REQ_SET_PROTOCOL 0x0B
276
277
278 /*
279 * USB Spec Release number
280 */
281
282 #if defined(CONFIG_USBD_HS)
283 #define USB_BCD_VERSION 0x0200
284 #else
285 #define USB_BCD_VERSION 0x0110
286 #endif
287
288
289 /*
290 * Device Requests (c.f Table 9-2)
291 */
292
293 #define USB_REQ_DIRECTION_MASK 0x80
294 #define USB_REQ_TYPE_MASK 0x60
295 #define USB_REQ_RECIPIENT_MASK 0x1f
296
297 #define USB_REQ_DEVICE2HOST 0x80
298 #define USB_REQ_HOST2DEVICE 0x00
299
300 #define USB_REQ_TYPE_STANDARD 0x00
301 #define USB_REQ_TYPE_CLASS 0x20
302 #define USB_REQ_TYPE_VENDOR 0x40
303
304 #define USB_REQ_RECIPIENT_DEVICE 0x00
305 #define USB_REQ_RECIPIENT_INTERFACE 0x01
306 #define USB_REQ_RECIPIENT_ENDPOINT 0x02
307 #define USB_REQ_RECIPIENT_OTHER 0x03
308
309 /*
310 * get status bits
311 */
312
313 #define USB_STATUS_SELFPOWERED 0x01
314 #define USB_STATUS_REMOTEWAKEUP 0x02
315
316 #define USB_STATUS_HALT 0x01
317
318 /*
319 * descriptor types
320 */
321
322 #define USB_DESCRIPTOR_TYPE_DEVICE 0x01
323 #define USB_DESCRIPTOR_TYPE_CONFIGURATION 0x02
324 #define USB_DESCRIPTOR_TYPE_STRING 0x03
325 #define USB_DESCRIPTOR_TYPE_INTERFACE 0x04
326 #define USB_DESCRIPTOR_TYPE_ENDPOINT 0x05
327 #define USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER 0x06
328 #define USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONFIGURATION 0x07
329 #define USB_DESCRIPTOR_TYPE_INTERFACE_POWER 0x08
330 #define USB_DESCRIPTOR_TYPE_HID 0x21
331 #define USB_DESCRIPTOR_TYPE_REPORT 0x22
332
333 /*
334 * standard feature selectors
335 */
336 #define USB_ENDPOINT_HALT 0x00
337 #define USB_DEVICE_REMOTE_WAKEUP 0x01
338 #define USB_TEST_MODE 0x02
339
340
341 /* USB Requests
342 *
343 */
344
345 struct usb_device_request {
346 u8 bmRequestType;
347 u8 bRequest;
348 u16 wValue;
349 u16 wIndex;
350 u16 wLength;
351 } __attribute__ ((packed));
352
353
354 /* USB Status
355 *
356 */
357 typedef enum urb_send_status {
358 SEND_IN_PROGRESS,
359 SEND_FINISHED_OK,
360 SEND_FINISHED_ERROR,
361 RECV_READY,
362 RECV_OK,
363 RECV_ERROR
364 } urb_send_status_t;
365
366 /*
367 * Device State (c.f USB Spec 2.0 Figure 9-1)
368 *
369 * What state the usb device is in.
370 *
371 * Note the state does not change if the device is suspended, we simply set a
372 * flag to show that it is suspended.
373 *
374 */
375 typedef enum usb_device_state {
376 STATE_INIT, /* just initialized */
377 STATE_CREATED, /* just created */
378 STATE_ATTACHED, /* we are attached */
379 STATE_POWERED, /* we have seen power indication (electrical bus signal) */
380 STATE_DEFAULT, /* we been reset */
381 STATE_ADDRESSED, /* we have been addressed (in default configuration) */
382 STATE_CONFIGURED, /* we have seen a set configuration device command */
383 STATE_UNKNOWN, /* destroyed */
384 } usb_device_state_t;
385
386 /*
387 * Device status
388 *
389 * Overall state
390 */
391 typedef enum usb_device_status {
392 USBD_OPENING, /* we are currently opening */
393 USBD_OK, /* ok to use */
394 USBD_SUSPENDED, /* we are currently suspended */
395 USBD_CLOSING, /* we are currently closing */
396 } usb_device_status_t;
397
398 /*
399 * Device Events
400 *
401 * These are defined in the USB Spec (c.f USB Spec 2.0 Figure 9-1).
402 *
403 * There are additional events defined to handle some extra actions we need
404 * to have handled.
405 *
406 */
407 typedef enum usb_device_event {
408
409 DEVICE_UNKNOWN, /* bi - unknown event */
410 DEVICE_INIT, /* bi - initialize */
411 DEVICE_CREATE, /* bi - */
412 DEVICE_HUB_CONFIGURED, /* bi - bus has been plugged int */
413 DEVICE_RESET, /* bi - hub has powered our port */
414
415 DEVICE_ADDRESS_ASSIGNED, /* ep0 - set address setup received */
416 DEVICE_CONFIGURED, /* ep0 - set configure setup received */
417 DEVICE_SET_INTERFACE, /* ep0 - set interface setup received */
418
419 DEVICE_SET_FEATURE, /* ep0 - set feature setup received */
420 DEVICE_CLEAR_FEATURE, /* ep0 - clear feature setup received */
421
422 DEVICE_DE_CONFIGURED, /* ep0 - set configure setup received for ?? */
423
424 DEVICE_BUS_INACTIVE, /* bi - bus in inactive (no SOF packets) */
425 DEVICE_BUS_ACTIVITY, /* bi - bus is active again */
426
427 DEVICE_POWER_INTERRUPTION, /* bi - hub has depowered our port */
428 DEVICE_HUB_RESET, /* bi - bus has been unplugged */
429 DEVICE_DESTROY, /* bi - device instance should be destroyed */
430
431 DEVICE_HOTPLUG, /* bi - a hotplug event has occurred */
432
433 DEVICE_FUNCTION_PRIVATE, /* function - private */
434
435 } usb_device_event_t;
436
437
438 typedef struct urb_link {
439 struct urb_link *next;
440 struct urb_link *prev;
441 } urb_link;
442
443 /* USB Data structure - for passing data around.
444 *
445 * This is used for both sending and receiving data.
446 *
447 * The callback function is used to let the function driver know when
448 * transmitted data has been sent.
449 *
450 * The callback function is set by the alloc_recv function when an urb is
451 * allocated for receiving data for an endpoint and used to call the
452 * function driver to inform it that data has arrived.
453 */
454
455 /* in linux we'd malloc this, but in u-boot we prefer static data */
456 #define URB_BUF_SIZE 512
457
458 struct urb {
459
460 struct usb_endpoint_instance *endpoint;
461 struct usb_device_instance *device;
462
463 struct usb_device_request device_request; /* contents of received SETUP packet */
464
465 struct urb_link link; /* embedded struct for circular doubly linked list of urbs */
466
467 u8* buffer;
468 unsigned int buffer_length;
469 unsigned int actual_length;
470
471 urb_send_status_t status;
472 int data;
473
474 u16 buffer_data[URB_BUF_SIZE]; /* data received (OUT) or being sent (IN) */
475 };
476
477 /* Endpoint configuration
478 *
479 * Per endpoint configuration data. Used to track which function driver owns
480 * an endpoint.
481 *
482 */
483 struct usb_endpoint_instance {
484 int endpoint_address; /* logical endpoint address */
485
486 /* control */
487 int status; /* halted */
488 int state; /* available for use by bus interface driver */
489
490 /* receive side */
491 struct urb_link rcv; /* received urbs */
492 struct urb_link rdy; /* empty urbs ready to receive */
493 struct urb *rcv_urb; /* active urb */
494 int rcv_attributes; /* copy of bmAttributes from endpoint descriptor */
495 int rcv_packetSize; /* maximum packet size from endpoint descriptor */
496 int rcv_transferSize; /* maximum transfer size from function driver */
497 int rcv_queue;
498
499 /* transmit side */
500 struct urb_link tx; /* urbs ready to transmit */
501 struct urb_link done; /* transmitted urbs */
502 struct urb *tx_urb; /* active urb */
503 int tx_attributes; /* copy of bmAttributes from endpoint descriptor */
504 int tx_packetSize; /* maximum packet size from endpoint descriptor */
505 int tx_transferSize; /* maximum transfer size from function driver */
506 int tx_queue;
507
508 int sent; /* data already sent */
509 int last; /* data sent in last packet XXX do we need this */
510 };
511
512 struct usb_alternate_instance {
513 struct usb_interface_descriptor *interface_descriptor;
514
515 int endpoints;
516 int *endpoint_transfersize_array;
517 struct usb_endpoint_descriptor **endpoints_descriptor_array;
518 };
519
520 struct usb_interface_instance {
521 int alternates;
522 struct usb_alternate_instance *alternates_instance_array;
523 };
524
525 struct usb_configuration_instance {
526 int interfaces;
527 struct usb_configuration_descriptor *configuration_descriptor;
528 struct usb_interface_instance *interface_instance_array;
529 };
530
531
532 /* USB Device Instance
533 *
534 * For each physical bus interface we create a logical device structure. This
535 * tracks all of the required state to track the USB HOST's view of the device.
536 *
537 * Keep track of the device configuration for a real physical bus interface,
538 * this includes the bus interface, multiple function drivers, the current
539 * configuration and the current state.
540 *
541 * This will show:
542 * the specific bus interface driver
543 * the default endpoint 0 driver
544 * the configured function driver
545 * device state
546 * device status
547 * endpoint list
548 */
549
550 struct usb_device_instance {
551
552 /* generic */
553 char *name;
554 struct usb_device_descriptor *device_descriptor; /* per device descriptor */
555 #if defined(CONFIG_USBD_HS)
556 struct usb_qualifier_descriptor *qualifier_descriptor;
557 #endif
558
559 void (*event) (struct usb_device_instance *device, usb_device_event_t event, int data);
560
561 /* Do cdc device specific control requests */
562 int (*cdc_recv_setup)(struct usb_device_request *request, struct urb *urb);
563
564 /* bus interface */
565 struct usb_bus_instance *bus; /* which bus interface driver */
566
567 /* configuration descriptors */
568 int configurations;
569 struct usb_configuration_instance *configuration_instance_array;
570
571 /* device state */
572 usb_device_state_t device_state; /* current USB Device state */
573 usb_device_state_t device_previous_state; /* current USB Device state */
574
575 u8 address; /* current address (zero is default) */
576 u8 configuration; /* current show configuration (zero is default) */
577 u8 interface; /* current interface (zero is default) */
578 u8 alternate; /* alternate flag */
579
580 usb_device_status_t status; /* device status */
581
582 int urbs_queued; /* number of submitted urbs */
583
584 /* Shouldn't need to make this atomic, all we need is a change indicator */
585 unsigned long usbd_rxtx_timestamp;
586 unsigned long usbd_last_rxtx_timestamp;
587
588 };
589
590 /* Bus Interface configuration structure
591 *
592 * This is allocated for each configured instance of a bus interface driver.
593 *
594 * The privdata pointer may be used by the bus interface driver to store private
595 * per instance state information.
596 */
597 struct usb_bus_instance {
598
599 struct usb_device_instance *device;
600 struct usb_endpoint_instance *endpoint_array; /* array of available configured endpoints */
601
602 int max_endpoints; /* maximimum number of rx enpoints */
603 unsigned char maxpacketsize;
604
605 unsigned int serial_number;
606 char *serial_number_str;
607 void *privdata; /* private data for the bus interface */
608
609 };
610
611 void urb_link_init (urb_link * ul);
612 void urb_detach (struct urb *urb);
613 urb_link *first_urb_link (urb_link * hd);
614 struct urb *first_urb (urb_link * hd);
615 struct urb *first_urb_detached (urb_link * hd);
616 void urb_append (urb_link * hd, struct urb *urb);
617
618 struct urb *usbd_alloc_urb (struct usb_device_instance *device, struct usb_endpoint_instance *endpoint);
619 void usbd_dealloc_urb (struct urb *urb);
620
621 /*
622 * usbd_device_event is used by bus interface drivers to tell the higher layers that
623 * certain events have taken place.
624 */
625 void usbd_device_event_irq (struct usb_device_instance *conf, usb_device_event_t, int);
626 void usbd_device_event (struct usb_device_instance *conf, usb_device_event_t, int);
627
628 /* descriptors
629 *
630 * Various ways of finding descriptors based on the current device and any
631 * possible configuration / interface / endpoint for it.
632 */
633 struct usb_configuration_descriptor *usbd_device_configuration_descriptor (struct usb_device_instance *, int, int);
634 struct usb_function_instance *usbd_device_function_instance (struct usb_device_instance *, unsigned int);
635 struct usb_interface_instance *usbd_device_interface_instance (struct usb_device_instance *, int, int, int);
636 struct usb_alternate_instance *usbd_device_alternate_instance (struct usb_device_instance *, int, int, int, int);
637 struct usb_interface_descriptor *usbd_device_interface_descriptor (struct usb_device_instance *, int, int, int, int);
638 struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor_index (struct usb_device_instance *, int, int, int, int, int);
639 struct usb_class_descriptor *usbd_device_class_descriptor_index (struct usb_device_instance *, int, int, int, int, int);
640 struct usb_class_report_descriptor *usbd_device_class_report_descriptor_index( struct usb_device_instance *, int , int , int , int , int );
641 struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor (struct usb_device_instance *, int, int, int, int, int);
642 int usbd_device_endpoint_transfersize (struct usb_device_instance *, int, int, int, int, int);
643 struct usb_string_descriptor *usbd_get_string (u8);
644 struct usb_device_descriptor *usbd_device_device_descriptor(struct
645 usb_device_instance *, int);
646
647 #if defined(CONFIG_USBD_HS)
648 /*
649 * is_usbd_high_speed routine needs to be defined by specific gadget driver
650 * It returns true if device enumerates at High speed
651 * Retuns false otherwise
652 */
653 int is_usbd_high_speed(void);
654 #endif
655 int usbd_endpoint_halted (struct usb_device_instance *device, int endpoint);
656 void usbd_rcv_complete(struct usb_endpoint_instance *endpoint, int len, int urb_bad);
657 void usbd_tx_complete (struct usb_endpoint_instance *endpoint);
658
659 /* These are macros used in debugging */
660 #ifdef DEBUG
print_urb(struct urb * u)661 static inline void print_urb(struct urb *u)
662 {
663 serial_printf("urb %p\n", (u));
664 serial_printf("\tendpoint %p\n", u->endpoint);
665 serial_printf("\tdevice %p\n", u->device);
666 serial_printf("\tbuffer %p\n", u->buffer);
667 serial_printf("\tbuffer_length %d\n", u->buffer_length);
668 serial_printf("\tactual_length %d\n", u->actual_length);
669 serial_printf("\tstatus %d\n", u->status);
670 serial_printf("\tdata %d\n", u->data);
671 }
672
print_usb_device_request(struct usb_device_request * r)673 static inline void print_usb_device_request(struct usb_device_request *r)
674 {
675 serial_printf("usb request\n");
676 serial_printf("\tbmRequestType 0x%2.2x\n", r->bmRequestType);
677 if ((r->bmRequestType & USB_REQ_DIRECTION_MASK) == 0)
678 serial_printf("\t\tDirection : To device\n");
679 else
680 serial_printf("\t\tDirection : To host\n");
681 if ((r->bmRequestType & USB_TYPE_STANDARD) == USB_TYPE_STANDARD)
682 serial_printf("\t\tType : Standard\n");
683 if ((r->bmRequestType & USB_TYPE_CLASS) == USB_TYPE_CLASS)
684 serial_printf("\t\tType : Standard\n");
685 if ((r->bmRequestType & USB_TYPE_VENDOR) == USB_TYPE_VENDOR)
686 serial_printf("\t\tType : Standard\n");
687 if ((r->bmRequestType & USB_TYPE_RESERVED) == USB_TYPE_RESERVED)
688 serial_printf("\t\tType : Standard\n");
689 if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
690 USB_REQ_RECIPIENT_DEVICE)
691 serial_printf("\t\tRecipient : Device\n");
692 if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
693 USB_REQ_RECIPIENT_INTERFACE)
694 serial_printf("\t\tRecipient : Interface\n");
695 if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
696 USB_REQ_RECIPIENT_ENDPOINT)
697 serial_printf("\t\tRecipient : Endpoint\n");
698 if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
699 USB_REQ_RECIPIENT_OTHER)
700 serial_printf("\t\tRecipient : Other\n");
701 serial_printf("\tbRequest 0x%2.2x\n", r->bRequest);
702 if (r->bRequest == USB_REQ_GET_STATUS)
703 serial_printf("\t\tGET_STATUS\n");
704 else if (r->bRequest == USB_REQ_SET_ADDRESS)
705 serial_printf("\t\tSET_ADDRESS\n");
706 else if (r->bRequest == USB_REQ_SET_FEATURE)
707 serial_printf("\t\tSET_FEATURE\n");
708 else if (r->bRequest == USB_REQ_GET_DESCRIPTOR)
709 serial_printf("\t\tGET_DESCRIPTOR\n");
710 else if (r->bRequest == USB_REQ_SET_CONFIGURATION)
711 serial_printf("\t\tSET_CONFIGURATION\n");
712 else if (r->bRequest == USB_REQ_SET_INTERFACE)
713 serial_printf("\t\tUSB_REQ_SET_INTERFACE\n");
714 else
715 serial_printf("\tUNKNOWN %d\n", r->bRequest);
716 serial_printf("\twValue 0x%4.4x\n", r->wValue);
717 if (r->bRequest == USB_REQ_GET_DESCRIPTOR) {
718 switch (r->wValue >> 8) {
719 case USB_DESCRIPTOR_TYPE_DEVICE:
720 serial_printf("\tDEVICE\n");
721 break;
722 case USB_DESCRIPTOR_TYPE_CONFIGURATION:
723 serial_printf("\tCONFIGURATION\n");
724 break;
725 case USB_DESCRIPTOR_TYPE_STRING:
726 serial_printf("\tSTRING\n");
727 break;
728 case USB_DESCRIPTOR_TYPE_INTERFACE:
729 serial_printf("\tINTERFACE\n");
730 break;
731 case USB_DESCRIPTOR_TYPE_ENDPOINT:
732 serial_printf("\tENDPOINT\n");
733 break;
734 case USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER:
735 serial_printf("\tDEVICE_QUALIFIER\n");
736 break;
737 case USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONFIGURATION:
738 serial_printf("\tOTHER_SPEED_CONFIGURATION\n");
739 break;
740 case USB_DESCRIPTOR_TYPE_INTERFACE_POWER:
741 serial_printf("\tINTERFACE_POWER\n");
742 break;
743 case USB_DESCRIPTOR_TYPE_HID:
744 serial_printf("\tHID\n");
745 break;
746 case USB_DESCRIPTOR_TYPE_REPORT:
747 serial_printf("\tREPORT\n");
748 break;
749 default:
750 serial_printf("\tUNKNOWN TYPE\n");
751 break;
752 }
753 }
754 serial_printf("\twIndex 0x%4.4x\n", r->wIndex);
755 serial_printf("\twLength 0x%4.4x\n", r->wLength);
756 }
757 #else
758 /* stubs */
759 #define print_urb(u)
760 #define print_usb_device_request(r)
761 #endif /* DEBUG */
762 #endif
763