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83d290c5 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
232c150a WD |
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> | |
232c150a WD |
15 | */ |
16 | ||
17 | #ifndef __USBDCORE_H__ | |
18 | #define __USBDCORE_H__ | |
19 | ||
232c150a WD |
20 | #include "usbdescriptors.h" |
21 | ||
22 | ||
23 | #define MAX_URBS_QUEUED 5 | |
24 | ||
25 | ||
26 | #if 1 | |
27 | #define usberr(fmt,args...) serial_printf("ERROR: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args) | |
28 | #else | |
29 | #define usberr(fmt,args...) do{}while(0) | |
30 | #endif | |
31 | ||
32 | #if 0 | |
33 | #define usbdbg(fmt,args...) serial_printf("debug: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args) | |
34 | #else | |
35 | #define usbdbg(fmt,args...) do{}while(0) | |
36 | #endif | |
37 | ||
38 | #if 0 | |
39 | #define usbinfo(fmt,args...) serial_printf("info: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args) | |
40 | #else | |
41 | #define usbinfo(fmt,args...) do{}while(0) | |
42 | #endif | |
43 | ||
44 | #ifndef le16_to_cpu | |
45 | #define le16_to_cpu(x) (x) | |
46 | #endif | |
47 | ||
48 | #ifndef inb | |
49 | #define inb(p) (*(volatile u8*)(p)) | |
50 | #endif | |
51 | ||
52 | #ifndef outb | |
53 | #define outb(val,p) (*(volatile u8*)(p) = (val)) | |
54 | #endif | |
55 | ||
56 | #ifndef inw | |
57 | #define inw(p) (*(volatile u16*)(p)) | |
58 | #endif | |
59 | ||
60 | #ifndef outw | |
61 | #define outw(val,p) (*(volatile u16*)(p) = (val)) | |
62 | #endif | |
63 | ||
64 | #ifndef inl | |
65 | #define inl(p) (*(volatile u32*)(p)) | |
66 | #endif | |
67 | ||
68 | #ifndef outl | |
69 | #define outl(val,p) (*(volatile u32*)(p) = (val)) | |
70 | #endif | |
71 | ||
72 | #ifndef insw | |
73 | #define insw(p,to,len) mmio_insw(p,to,len) | |
74 | #endif | |
75 | ||
76 | #ifndef outsw | |
77 | #define outsw(p,from,len) mmio_outsw(p,from,len) | |
78 | #endif | |
79 | ||
80 | #ifndef insb | |
81 | #define insb(p,to,len) mmio_insb(p,to,len) | |
82 | #endif | |
83 | ||
84 | #ifndef mmio_insw | |
85 | #define mmio_insw(r,b,l) ({ int __i ; \ | |
86 | u16 *__b2; \ | |
87 | __b2 = (u16 *) b; \ | |
88 | for (__i = 0; __i < l; __i++) { \ | |
89 | *(__b2 + __i) = inw(r); \ | |
90 | }; \ | |
91 | }) | |
92 | #endif | |
93 | ||
94 | #ifndef mmio_outsw | |
95 | #define mmio_outsw(r,b,l) ({ int __i; \ | |
96 | u16 *__b2; \ | |
97 | __b2 = (u16 *) b; \ | |
98 | for (__i = 0; __i < l; __i++) { \ | |
99 | outw( *(__b2 + __i), r); \ | |
100 | } \ | |
101 | }) | |
102 | #endif | |
103 | ||
104 | #ifndef mmio_insb | |
105 | #define mmio_insb(r,b,l) ({ int __i ; \ | |
106 | u8 *__b2; \ | |
107 | __b2 = (u8 *) b; \ | |
108 | for (__i = 0; __i < l; __i++) { \ | |
109 | *(__b2 + __i) = inb(r); \ | |
110 | }; \ | |
111 | }) | |
112 | #endif | |
113 | ||
232c150a WD |
114 | /* |
115 | * Structure member address manipulation macros. | |
116 | * These are used by client code (code using the urb_link routines), since | |
117 | * the urb_link structure is embedded in the client data structures. | |
118 | * | |
119 | * Note: a macro offsetof equivalent to member_offset is defined in stddef.h | |
120 | * but this is kept here for the sake of portability. | |
121 | * | |
122 | * p2surround returns a pointer to the surrounding structure given | |
123 | * type of the surrounding structure, the name memb of the structure | |
124 | * member pointed at by ptr. For example, if you have: | |
125 | * | |
126 | * struct foo { | |
127 | * int x; | |
128 | * float y; | |
129 | * char z; | |
130 | * } thingy; | |
131 | * | |
132 | * char *cp = &thingy.z; | |
133 | * | |
134 | * then | |
135 | * | |
136 | * &thingy == p2surround(struct foo, z, cp) | |
137 | * | |
138 | * Clear? | |
139 | */ | |
140 | #define _cv_(ptr) ((char*)(void*)(ptr)) | |
141 | #define member_offset(type,memb) (_cv_(&(((type*)0)->memb))-(char*)0) | |
142 | #define p2surround(type,memb,ptr) ((type*)(void*)(_cv_(ptr)-member_offset(type,memb))) | |
143 | ||
144 | struct urb; | |
145 | ||
146 | struct usb_endpoint_instance; | |
147 | struct usb_interface_instance; | |
148 | struct usb_configuration_instance; | |
149 | struct usb_device_instance; | |
150 | struct usb_bus_instance; | |
151 | ||
152 | /* | |
153 | * Device and/or Interface Class codes | |
154 | */ | |
155 | #define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */ | |
156 | #define USB_CLASS_AUDIO 1 | |
157 | #define USB_CLASS_COMM 2 | |
158 | #define USB_CLASS_HID 3 | |
159 | #define USB_CLASS_PHYSICAL 5 | |
160 | #define USB_CLASS_PRINTER 7 | |
161 | #define USB_CLASS_MASS_STORAGE 8 | |
162 | #define USB_CLASS_HUB 9 | |
163 | #define USB_CLASS_DATA 10 | |
164 | #define USB_CLASS_APP_SPEC 0xfe | |
165 | #define USB_CLASS_VENDOR_SPEC 0xff | |
166 | ||
167 | /* | |
168 | * USB types | |
169 | */ | |
170 | #define USB_TYPE_STANDARD (0x00 << 5) | |
171 | #define USB_TYPE_CLASS (0x01 << 5) | |
172 | #define USB_TYPE_VENDOR (0x02 << 5) | |
173 | #define USB_TYPE_RESERVED (0x03 << 5) | |
174 | ||
175 | /* | |
176 | * USB recipients | |
177 | */ | |
178 | #define USB_RECIP_DEVICE 0x00 | |
179 | #define USB_RECIP_INTERFACE 0x01 | |
180 | #define USB_RECIP_ENDPOINT 0x02 | |
181 | #define USB_RECIP_OTHER 0x03 | |
182 | ||
183 | /* | |
184 | * USB directions | |
185 | */ | |
186 | #define USB_DIR_OUT 0 | |
187 | #define USB_DIR_IN 0x80 | |
188 | ||
189 | /* | |
190 | * Descriptor types | |
191 | */ | |
192 | #define USB_DT_DEVICE 0x01 | |
193 | #define USB_DT_CONFIG 0x02 | |
194 | #define USB_DT_STRING 0x03 | |
195 | #define USB_DT_INTERFACE 0x04 | |
196 | #define USB_DT_ENDPOINT 0x05 | |
197 | ||
198 | #define USB_DT_HID (USB_TYPE_CLASS | 0x01) | |
199 | #define USB_DT_REPORT (USB_TYPE_CLASS | 0x02) | |
200 | #define USB_DT_PHYSICAL (USB_TYPE_CLASS | 0x03) | |
201 | #define USB_DT_HUB (USB_TYPE_CLASS | 0x09) | |
202 | ||
203 | /* | |
204 | * Descriptor sizes per descriptor type | |
205 | */ | |
206 | #define USB_DT_DEVICE_SIZE 18 | |
207 | #define USB_DT_CONFIG_SIZE 9 | |
208 | #define USB_DT_INTERFACE_SIZE 9 | |
209 | #define USB_DT_ENDPOINT_SIZE 7 | |
210 | #define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */ | |
211 | #define USB_DT_HUB_NONVAR_SIZE 7 | |
212 | #define USB_DT_HID_SIZE 9 | |
213 | ||
214 | /* | |
215 | * Endpoints | |
216 | */ | |
217 | #define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */ | |
218 | #define USB_ENDPOINT_DIR_MASK 0x80 | |
219 | ||
220 | #define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */ | |
221 | #define USB_ENDPOINT_XFER_CONTROL 0 | |
222 | #define USB_ENDPOINT_XFER_ISOC 1 | |
223 | #define USB_ENDPOINT_XFER_BULK 2 | |
224 | #define USB_ENDPOINT_XFER_INT 3 | |
225 | ||
226 | /* | |
227 | * USB Packet IDs (PIDs) | |
228 | */ | |
229 | #define USB_PID_UNDEF_0 0xf0 | |
230 | #define USB_PID_OUT 0xe1 | |
231 | #define USB_PID_ACK 0xd2 | |
232 | #define USB_PID_DATA0 0xc3 | |
233 | #define USB_PID_PING 0xb4 /* USB 2.0 */ | |
234 | #define USB_PID_SOF 0xa5 | |
235 | #define USB_PID_NYET 0x96 /* USB 2.0 */ | |
236 | #define USB_PID_DATA2 0x87 /* USB 2.0 */ | |
237 | #define USB_PID_SPLIT 0x78 /* USB 2.0 */ | |
238 | #define USB_PID_IN 0x69 | |
239 | #define USB_PID_NAK 0x5a | |
240 | #define USB_PID_DATA1 0x4b | |
241 | #define USB_PID_PREAMBLE 0x3c /* Token mode */ | |
242 | #define USB_PID_ERR 0x3c /* USB 2.0: handshake mode */ | |
243 | #define USB_PID_SETUP 0x2d | |
244 | #define USB_PID_STALL 0x1e | |
245 | #define USB_PID_MDATA 0x0f /* USB 2.0 */ | |
246 | ||
247 | /* | |
248 | * Standard requests | |
249 | */ | |
250 | #define USB_REQ_GET_STATUS 0x00 | |
251 | #define USB_REQ_CLEAR_FEATURE 0x01 | |
252 | #define USB_REQ_SET_FEATURE 0x03 | |
253 | #define USB_REQ_SET_ADDRESS 0x05 | |
254 | #define USB_REQ_GET_DESCRIPTOR 0x06 | |
255 | #define USB_REQ_SET_DESCRIPTOR 0x07 | |
256 | #define USB_REQ_GET_CONFIGURATION 0x08 | |
257 | #define USB_REQ_SET_CONFIGURATION 0x09 | |
258 | #define USB_REQ_GET_INTERFACE 0x0A | |
259 | #define USB_REQ_SET_INTERFACE 0x0B | |
260 | #define USB_REQ_SYNCH_FRAME 0x0C | |
261 | ||
232c150a WD |
262 | /* |
263 | * HID requests | |
264 | */ | |
265 | #define USB_REQ_GET_REPORT 0x01 | |
266 | #define USB_REQ_GET_IDLE 0x02 | |
267 | #define USB_REQ_GET_PROTOCOL 0x03 | |
268 | #define USB_REQ_SET_REPORT 0x09 | |
269 | #define USB_REQ_SET_IDLE 0x0A | |
270 | #define USB_REQ_SET_PROTOCOL 0x0B | |
271 | ||
272 | ||
273 | /* | |
274 | * USB Spec Release number | |
275 | */ | |
276 | ||
277 | #define USB_BCD_VERSION 0x0110 | |
278 | ||
279 | ||
280 | /* | |
281 | * Device Requests (c.f Table 9-2) | |
282 | */ | |
283 | ||
284 | #define USB_REQ_DIRECTION_MASK 0x80 | |
285 | #define USB_REQ_TYPE_MASK 0x60 | |
286 | #define USB_REQ_RECIPIENT_MASK 0x1f | |
287 | ||
288 | #define USB_REQ_DEVICE2HOST 0x80 | |
289 | #define USB_REQ_HOST2DEVICE 0x00 | |
290 | ||
291 | #define USB_REQ_TYPE_STANDARD 0x00 | |
292 | #define USB_REQ_TYPE_CLASS 0x20 | |
293 | #define USB_REQ_TYPE_VENDOR 0x40 | |
294 | ||
295 | #define USB_REQ_RECIPIENT_DEVICE 0x00 | |
296 | #define USB_REQ_RECIPIENT_INTERFACE 0x01 | |
297 | #define USB_REQ_RECIPIENT_ENDPOINT 0x02 | |
298 | #define USB_REQ_RECIPIENT_OTHER 0x03 | |
299 | ||
300 | /* | |
301 | * get status bits | |
302 | */ | |
303 | ||
304 | #define USB_STATUS_SELFPOWERED 0x01 | |
305 | #define USB_STATUS_REMOTEWAKEUP 0x02 | |
306 | ||
307 | #define USB_STATUS_HALT 0x01 | |
308 | ||
309 | /* | |
310 | * descriptor types | |
311 | */ | |
312 | ||
313 | #define USB_DESCRIPTOR_TYPE_DEVICE 0x01 | |
314 | #define USB_DESCRIPTOR_TYPE_CONFIGURATION 0x02 | |
315 | #define USB_DESCRIPTOR_TYPE_STRING 0x03 | |
316 | #define USB_DESCRIPTOR_TYPE_INTERFACE 0x04 | |
317 | #define USB_DESCRIPTOR_TYPE_ENDPOINT 0x05 | |
318 | #define USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER 0x06 | |
319 | #define USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONFIGURATION 0x07 | |
320 | #define USB_DESCRIPTOR_TYPE_INTERFACE_POWER 0x08 | |
321 | #define USB_DESCRIPTOR_TYPE_HID 0x21 | |
322 | #define USB_DESCRIPTOR_TYPE_REPORT 0x22 | |
323 | ||
232c150a WD |
324 | /* |
325 | * standard feature selectors | |
326 | */ | |
327 | #define USB_ENDPOINT_HALT 0x00 | |
328 | #define USB_DEVICE_REMOTE_WAKEUP 0x01 | |
329 | #define USB_TEST_MODE 0x02 | |
330 | ||
331 | ||
332 | /* USB Requests | |
333 | * | |
334 | */ | |
335 | ||
336 | struct usb_device_request { | |
337 | u8 bmRequestType; | |
338 | u8 bRequest; | |
339 | u16 wValue; | |
340 | u16 wIndex; | |
341 | u16 wLength; | |
342 | } __attribute__ ((packed)); | |
343 | ||
344 | ||
345 | /* USB Status | |
346 | * | |
347 | */ | |
348 | typedef enum urb_send_status { | |
349 | SEND_IN_PROGRESS, | |
350 | SEND_FINISHED_OK, | |
351 | SEND_FINISHED_ERROR, | |
352 | RECV_READY, | |
353 | RECV_OK, | |
354 | RECV_ERROR | |
355 | } urb_send_status_t; | |
356 | ||
357 | /* | |
358 | * Device State (c.f USB Spec 2.0 Figure 9-1) | |
359 | * | |
360 | * What state the usb device is in. | |
361 | * | |
362 | * Note the state does not change if the device is suspended, we simply set a | |
363 | * flag to show that it is suspended. | |
364 | * | |
365 | */ | |
366 | typedef enum usb_device_state { | |
367 | STATE_INIT, /* just initialized */ | |
368 | STATE_CREATED, /* just created */ | |
369 | STATE_ATTACHED, /* we are attached */ | |
370 | STATE_POWERED, /* we have seen power indication (electrical bus signal) */ | |
371 | STATE_DEFAULT, /* we been reset */ | |
372 | STATE_ADDRESSED, /* we have been addressed (in default configuration) */ | |
373 | STATE_CONFIGURED, /* we have seen a set configuration device command */ | |
374 | STATE_UNKNOWN, /* destroyed */ | |
375 | } usb_device_state_t; | |
376 | ||
232c150a WD |
377 | /* |
378 | * Device status | |
379 | * | |
380 | * Overall state | |
381 | */ | |
382 | typedef enum usb_device_status { | |
383 | USBD_OPENING, /* we are currently opening */ | |
384 | USBD_OK, /* ok to use */ | |
385 | USBD_SUSPENDED, /* we are currently suspended */ | |
386 | USBD_CLOSING, /* we are currently closing */ | |
387 | } usb_device_status_t; | |
388 | ||
232c150a WD |
389 | /* |
390 | * Device Events | |
391 | * | |
392 | * These are defined in the USB Spec (c.f USB Spec 2.0 Figure 9-1). | |
393 | * | |
394 | * There are additional events defined to handle some extra actions we need | |
395 | * to have handled. | |
396 | * | |
397 | */ | |
398 | typedef enum usb_device_event { | |
399 | ||
400 | DEVICE_UNKNOWN, /* bi - unknown event */ | |
401 | DEVICE_INIT, /* bi - initialize */ | |
402 | DEVICE_CREATE, /* bi - */ | |
403 | DEVICE_HUB_CONFIGURED, /* bi - bus has been plugged int */ | |
404 | DEVICE_RESET, /* bi - hub has powered our port */ | |
405 | ||
406 | DEVICE_ADDRESS_ASSIGNED, /* ep0 - set address setup received */ | |
407 | DEVICE_CONFIGURED, /* ep0 - set configure setup received */ | |
408 | DEVICE_SET_INTERFACE, /* ep0 - set interface setup received */ | |
409 | ||
410 | DEVICE_SET_FEATURE, /* ep0 - set feature setup received */ | |
411 | DEVICE_CLEAR_FEATURE, /* ep0 - clear feature setup received */ | |
412 | ||
413 | DEVICE_DE_CONFIGURED, /* ep0 - set configure setup received for ?? */ | |
414 | ||
415 | DEVICE_BUS_INACTIVE, /* bi - bus in inactive (no SOF packets) */ | |
416 | DEVICE_BUS_ACTIVITY, /* bi - bus is active again */ | |
417 | ||
418 | DEVICE_POWER_INTERRUPTION, /* bi - hub has depowered our port */ | |
419 | DEVICE_HUB_RESET, /* bi - bus has been unplugged */ | |
420 | DEVICE_DESTROY, /* bi - device instance should be destroyed */ | |
421 | ||
eae4b2b6 | 422 | DEVICE_HOTPLUG, /* bi - a hotplug event has occurred */ |
232c150a WD |
423 | |
424 | DEVICE_FUNCTION_PRIVATE, /* function - private */ | |
425 | ||
426 | } usb_device_event_t; | |
427 | ||
428 | ||
429 | typedef struct urb_link { | |
430 | struct urb_link *next; | |
431 | struct urb_link *prev; | |
432 | } urb_link; | |
433 | ||
434 | /* USB Data structure - for passing data around. | |
435 | * | |
436 | * This is used for both sending and receiving data. | |
437 | * | |
438 | * The callback function is used to let the function driver know when | |
439 | * transmitted data has been sent. | |
440 | * | |
441 | * The callback function is set by the alloc_recv function when an urb is | |
442 | * allocated for receiving data for an endpoint and used to call the | |
443 | * function driver to inform it that data has arrived. | |
444 | */ | |
445 | ||
b2caefbb SH |
446 | /* in linux we'd malloc this, but in u-boot we prefer static data */ |
447 | #define URB_BUF_SIZE 512 | |
448 | ||
232c150a WD |
449 | struct urb { |
450 | ||
451 | struct usb_endpoint_instance *endpoint; | |
452 | struct usb_device_instance *device; | |
453 | ||
454 | struct usb_device_request device_request; /* contents of received SETUP packet */ | |
455 | ||
456 | struct urb_link link; /* embedded struct for circular doubly linked list of urbs */ | |
457 | ||
458 | u8* buffer; | |
459 | unsigned int buffer_length; | |
460 | unsigned int actual_length; | |
461 | ||
462 | urb_send_status_t status; | |
463 | int data; | |
464 | ||
465 | u16 buffer_data[URB_BUF_SIZE]; /* data received (OUT) or being sent (IN) */ | |
466 | }; | |
467 | ||
468 | /* Endpoint configuration | |
469 | * | |
470 | * Per endpoint configuration data. Used to track which function driver owns | |
471 | * an endpoint. | |
472 | * | |
473 | */ | |
474 | struct usb_endpoint_instance { | |
475 | int endpoint_address; /* logical endpoint address */ | |
476 | ||
477 | /* control */ | |
478 | int status; /* halted */ | |
479 | int state; /* available for use by bus interface driver */ | |
480 | ||
481 | /* receive side */ | |
482 | struct urb_link rcv; /* received urbs */ | |
483 | struct urb_link rdy; /* empty urbs ready to receive */ | |
484 | struct urb *rcv_urb; /* active urb */ | |
485 | int rcv_attributes; /* copy of bmAttributes from endpoint descriptor */ | |
486 | int rcv_packetSize; /* maximum packet size from endpoint descriptor */ | |
487 | int rcv_transferSize; /* maximum transfer size from function driver */ | |
488 | int rcv_queue; | |
489 | ||
490 | /* transmit side */ | |
491 | struct urb_link tx; /* urbs ready to transmit */ | |
492 | struct urb_link done; /* transmitted urbs */ | |
493 | struct urb *tx_urb; /* active urb */ | |
494 | int tx_attributes; /* copy of bmAttributes from endpoint descriptor */ | |
495 | int tx_packetSize; /* maximum packet size from endpoint descriptor */ | |
496 | int tx_transferSize; /* maximum transfer size from function driver */ | |
497 | int tx_queue; | |
498 | ||
499 | int sent; /* data already sent */ | |
500 | int last; /* data sent in last packet XXX do we need this */ | |
501 | }; | |
502 | ||
503 | struct usb_alternate_instance { | |
504 | struct usb_interface_descriptor *interface_descriptor; | |
505 | ||
506 | int endpoints; | |
507 | int *endpoint_transfersize_array; | |
508 | struct usb_endpoint_descriptor **endpoints_descriptor_array; | |
509 | }; | |
510 | ||
511 | struct usb_interface_instance { | |
512 | int alternates; | |
513 | struct usb_alternate_instance *alternates_instance_array; | |
514 | }; | |
515 | ||
516 | struct usb_configuration_instance { | |
517 | int interfaces; | |
518 | struct usb_configuration_descriptor *configuration_descriptor; | |
519 | struct usb_interface_instance *interface_instance_array; | |
520 | }; | |
521 | ||
522 | ||
523 | /* USB Device Instance | |
524 | * | |
525 | * For each physical bus interface we create a logical device structure. This | |
526 | * tracks all of the required state to track the USB HOST's view of the device. | |
527 | * | |
528 | * Keep track of the device configuration for a real physical bus interface, | |
529 | * this includes the bus interface, multiple function drivers, the current | |
530 | * configuration and the current state. | |
531 | * | |
532 | * This will show: | |
533 | * the specific bus interface driver | |
534 | * the default endpoint 0 driver | |
535 | * the configured function driver | |
536 | * device state | |
537 | * device status | |
538 | * endpoint list | |
539 | */ | |
540 | ||
541 | struct usb_device_instance { | |
542 | ||
543 | /* generic */ | |
544 | char *name; | |
545 | struct usb_device_descriptor *device_descriptor; /* per device descriptor */ | |
546 | ||
547 | void (*event) (struct usb_device_instance *device, usb_device_event_t event, int data); | |
548 | ||
16c8d5e7 WD |
549 | /* Do cdc device specific control requests */ |
550 | int (*cdc_recv_setup)(struct usb_device_request *request, struct urb *urb); | |
551 | ||
232c150a WD |
552 | /* bus interface */ |
553 | struct usb_bus_instance *bus; /* which bus interface driver */ | |
554 | ||
555 | /* configuration descriptors */ | |
556 | int configurations; | |
557 | struct usb_configuration_instance *configuration_instance_array; | |
558 | ||
559 | /* device state */ | |
560 | usb_device_state_t device_state; /* current USB Device state */ | |
561 | usb_device_state_t device_previous_state; /* current USB Device state */ | |
562 | ||
563 | u8 address; /* current address (zero is default) */ | |
564 | u8 configuration; /* current show configuration (zero is default) */ | |
565 | u8 interface; /* current interface (zero is default) */ | |
566 | u8 alternate; /* alternate flag */ | |
567 | ||
568 | usb_device_status_t status; /* device status */ | |
569 | ||
570 | int urbs_queued; /* number of submitted urbs */ | |
571 | ||
572 | /* Shouldn't need to make this atomic, all we need is a change indicator */ | |
573 | unsigned long usbd_rxtx_timestamp; | |
574 | unsigned long usbd_last_rxtx_timestamp; | |
575 | ||
576 | }; | |
577 | ||
578 | /* Bus Interface configuration structure | |
579 | * | |
580 | * This is allocated for each configured instance of a bus interface driver. | |
581 | * | |
582 | * The privdata pointer may be used by the bus interface driver to store private | |
583 | * per instance state information. | |
584 | */ | |
585 | struct usb_bus_instance { | |
586 | ||
587 | struct usb_device_instance *device; | |
588 | struct usb_endpoint_instance *endpoint_array; /* array of available configured endpoints */ | |
589 | ||
590 | int max_endpoints; /* maximimum number of rx enpoints */ | |
591 | unsigned char maxpacketsize; | |
592 | ||
593 | unsigned int serial_number; | |
594 | char *serial_number_str; | |
595 | void *privdata; /* private data for the bus interface */ | |
596 | ||
597 | }; | |
598 | ||
232c150a WD |
599 | void urb_link_init (urb_link * ul); |
600 | void urb_detach (struct urb *urb); | |
601 | urb_link *first_urb_link (urb_link * hd); | |
602 | struct urb *first_urb (urb_link * hd); | |
603 | struct urb *first_urb_detached (urb_link * hd); | |
604 | void urb_append (urb_link * hd, struct urb *urb); | |
605 | ||
606 | struct urb *usbd_alloc_urb (struct usb_device_instance *device, struct usb_endpoint_instance *endpoint); | |
607 | void usbd_dealloc_urb (struct urb *urb); | |
608 | ||
609 | /* | |
610 | * usbd_device_event is used by bus interface drivers to tell the higher layers that | |
611 | * certain events have taken place. | |
612 | */ | |
613 | void usbd_device_event_irq (struct usb_device_instance *conf, usb_device_event_t, int); | |
614 | void usbd_device_event (struct usb_device_instance *conf, usb_device_event_t, int); | |
615 | ||
616 | /* descriptors | |
617 | * | |
618 | * Various ways of finding descriptors based on the current device and any | |
619 | * possible configuration / interface / endpoint for it. | |
620 | */ | |
621 | struct usb_configuration_descriptor *usbd_device_configuration_descriptor (struct usb_device_instance *, int, int); | |
622 | struct usb_function_instance *usbd_device_function_instance (struct usb_device_instance *, unsigned int); | |
623 | struct usb_interface_instance *usbd_device_interface_instance (struct usb_device_instance *, int, int, int); | |
624 | struct usb_alternate_instance *usbd_device_alternate_instance (struct usb_device_instance *, int, int, int, int); | |
625 | struct usb_interface_descriptor *usbd_device_interface_descriptor (struct usb_device_instance *, int, int, int, int); | |
626 | struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor_index (struct usb_device_instance *, int, int, int, int, int); | |
627 | struct usb_class_descriptor *usbd_device_class_descriptor_index (struct usb_device_instance *, int, int, int, int, int); | |
628 | struct usb_class_report_descriptor *usbd_device_class_report_descriptor_index( struct usb_device_instance *, int , int , int , int , int ); | |
629 | struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor (struct usb_device_instance *, int, int, int, int, int); | |
630 | int usbd_device_endpoint_transfersize (struct usb_device_instance *, int, int, int, int, int); | |
631 | struct usb_string_descriptor *usbd_get_string (u8); | |
f9da0f89 VK |
632 | struct usb_device_descriptor *usbd_device_device_descriptor(struct |
633 | usb_device_instance *, int); | |
232c150a WD |
634 | |
635 | int usbd_endpoint_halted (struct usb_device_instance *device, int endpoint); | |
636 | void usbd_rcv_complete(struct usb_endpoint_instance *endpoint, int len, int urb_bad); | |
637 | void usbd_tx_complete (struct usb_endpoint_instance *endpoint); | |
638 | ||
988365a2 TR |
639 | /* These are macros used in debugging */ |
640 | #ifdef DEBUG | |
641 | static inline void print_urb(struct urb *u) | |
642 | { | |
643 | serial_printf("urb %p\n", (u)); | |
644 | serial_printf("\tendpoint %p\n", u->endpoint); | |
645 | serial_printf("\tdevice %p\n", u->device); | |
646 | serial_printf("\tbuffer %p\n", u->buffer); | |
647 | serial_printf("\tbuffer_length %d\n", u->buffer_length); | |
648 | serial_printf("\tactual_length %d\n", u->actual_length); | |
649 | serial_printf("\tstatus %d\n", u->status); | |
650 | serial_printf("\tdata %d\n", u->data); | |
651 | } | |
652 | ||
653 | static inline void print_usb_device_request(struct usb_device_request *r) | |
654 | { | |
655 | serial_printf("usb request\n"); | |
656 | serial_printf("\tbmRequestType 0x%2.2x\n", r->bmRequestType); | |
657 | if ((r->bmRequestType & USB_REQ_DIRECTION_MASK) == 0) | |
658 | serial_printf("\t\tDirection : To device\n"); | |
659 | else | |
660 | serial_printf("\t\tDirection : To host\n"); | |
661 | if ((r->bmRequestType & USB_TYPE_STANDARD) == USB_TYPE_STANDARD) | |
662 | serial_printf("\t\tType : Standard\n"); | |
663 | if ((r->bmRequestType & USB_TYPE_CLASS) == USB_TYPE_CLASS) | |
664 | serial_printf("\t\tType : Standard\n"); | |
665 | if ((r->bmRequestType & USB_TYPE_VENDOR) == USB_TYPE_VENDOR) | |
666 | serial_printf("\t\tType : Standard\n"); | |
667 | if ((r->bmRequestType & USB_TYPE_RESERVED) == USB_TYPE_RESERVED) | |
668 | serial_printf("\t\tType : Standard\n"); | |
669 | if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) == | |
670 | USB_REQ_RECIPIENT_DEVICE) | |
671 | serial_printf("\t\tRecipient : Device\n"); | |
672 | if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) == | |
673 | USB_REQ_RECIPIENT_INTERFACE) | |
674 | serial_printf("\t\tRecipient : Interface\n"); | |
675 | if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) == | |
676 | USB_REQ_RECIPIENT_ENDPOINT) | |
677 | serial_printf("\t\tRecipient : Endpoint\n"); | |
678 | if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) == | |
679 | USB_REQ_RECIPIENT_OTHER) | |
680 | serial_printf("\t\tRecipient : Other\n"); | |
681 | serial_printf("\tbRequest 0x%2.2x\n", r->bRequest); | |
682 | if (r->bRequest == USB_REQ_GET_STATUS) | |
683 | serial_printf("\t\tGET_STATUS\n"); | |
684 | else if (r->bRequest == USB_REQ_SET_ADDRESS) | |
685 | serial_printf("\t\tSET_ADDRESS\n"); | |
686 | else if (r->bRequest == USB_REQ_SET_FEATURE) | |
687 | serial_printf("\t\tSET_FEATURE\n"); | |
688 | else if (r->bRequest == USB_REQ_GET_DESCRIPTOR) | |
689 | serial_printf("\t\tGET_DESCRIPTOR\n"); | |
690 | else if (r->bRequest == USB_REQ_SET_CONFIGURATION) | |
691 | serial_printf("\t\tSET_CONFIGURATION\n"); | |
692 | else if (r->bRequest == USB_REQ_SET_INTERFACE) | |
693 | serial_printf("\t\tUSB_REQ_SET_INTERFACE\n"); | |
694 | else | |
695 | serial_printf("\tUNKNOWN %d\n", r->bRequest); | |
696 | serial_printf("\twValue 0x%4.4x\n", r->wValue); | |
697 | if (r->bRequest == USB_REQ_GET_DESCRIPTOR) { | |
698 | switch (r->wValue >> 8) { | |
699 | case USB_DESCRIPTOR_TYPE_DEVICE: | |
700 | serial_printf("\tDEVICE\n"); | |
701 | break; | |
702 | case USB_DESCRIPTOR_TYPE_CONFIGURATION: | |
703 | serial_printf("\tCONFIGURATION\n"); | |
704 | break; | |
705 | case USB_DESCRIPTOR_TYPE_STRING: | |
706 | serial_printf("\tSTRING\n"); | |
707 | break; | |
708 | case USB_DESCRIPTOR_TYPE_INTERFACE: | |
709 | serial_printf("\tINTERFACE\n"); | |
710 | break; | |
711 | case USB_DESCRIPTOR_TYPE_ENDPOINT: | |
712 | serial_printf("\tENDPOINT\n"); | |
713 | break; | |
714 | case USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER: | |
715 | serial_printf("\tDEVICE_QUALIFIER\n"); | |
716 | break; | |
717 | case USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONFIGURATION: | |
718 | serial_printf("\tOTHER_SPEED_CONFIGURATION\n"); | |
719 | break; | |
720 | case USB_DESCRIPTOR_TYPE_INTERFACE_POWER: | |
721 | serial_printf("\tINTERFACE_POWER\n"); | |
722 | break; | |
723 | case USB_DESCRIPTOR_TYPE_HID: | |
724 | serial_printf("\tHID\n"); | |
725 | break; | |
726 | case USB_DESCRIPTOR_TYPE_REPORT: | |
727 | serial_printf("\tREPORT\n"); | |
728 | break; | |
729 | default: | |
730 | serial_printf("\tUNKNOWN TYPE\n"); | |
731 | break; | |
732 | } | |
733 | } | |
734 | serial_printf("\twIndex 0x%4.4x\n", r->wIndex); | |
735 | serial_printf("\twLength 0x%4.4x\n", r->wLength); | |
736 | } | |
737 | #else | |
738 | /* stubs */ | |
739 | #define print_urb(u) | |
740 | #define print_usb_device_request(r) | |
741 | #endif /* DEBUG */ | |
232c150a | 742 | #endif |