usbdevice.h 21 KB

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