projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Fix common misspellings
[deliverable/linux.git] / drivers / staging / westbridge / astoria / api / src / cyasusb.c
1 /* Cypress West Bridge API source file (cyasusb.c)
2 ## ===========================
3 ## Copyright (C) 2010 Cypress Semiconductor
4 ##
5 ## This program is free software; you can redistribute it and/or
6 ## modify it under the terms of the GNU General Public License
7 ## as published by the Free Software Foundation; either version 2
8 ## of the License, or (at your option) any later version.
9 ##
10 ## This program is distributed in the hope that it will be useful,
11 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ## GNU General Public License for more details.
14 ##
15 ## You should have received a copy of the GNU General Public License
16 ## along with this program; if not, write to the Free Software
17 ## Foundation, Inc., 51 Franklin Street, Fifth Floor
18 ## Boston, MA 02110-1301, USA.
19 ## ===========================
20 */
21
22 #include "../../include/linux/westbridge/cyashal.h"
23 #include "../../include/linux/westbridge/cyasusb.h"
24 #include "../../include/linux/westbridge/cyaserr.h"
25 #include "../../include/linux/westbridge/cyasdma.h"
26 #include "../../include/linux/westbridge/cyaslowlevel.h"
27 #include "../../include/linux/westbridge/cyaslep2pep.h"
28 #include "../../include/linux/westbridge/cyasregs.h"
29 #include "../../include/linux/westbridge/cyasstorage.h"
30
31 static cy_as_return_status_t
32 cy_as_usb_ack_setup_packet(
33 /* Handle to the West Bridge device */
34 cy_as_device_handle handle,
35 /* The callback if async call */
36 cy_as_function_callback cb,
37 /* Client supplied data */
38 uint32_t client
39 );
40
41 static void
42 cy_as_usb_func_callback(
43 cy_as_device *dev_p,
44 uint8_t context,
45 cy_as_ll_request_response *rqt,
46 cy_as_ll_request_response *resp,
47 cy_as_return_status_t ret);
48 /*
49 * Reset the USB EP0 state
50 */
51 static void
52 cy_as_usb_reset_e_p0_state(cy_as_device *dev_p)
53 {
54 cy_as_log_debug_message(6, "cy_as_usb_reset_e_p0_state called");
55
56 cy_as_device_clear_ack_delayed(dev_p);
57 cy_as_device_clear_setup_packet(dev_p);
58 if (cy_as_device_is_usb_async_pending(dev_p, 0))
59 cy_as_usb_cancel_async((cy_as_device_handle)dev_p, 0);
60
61 dev_p->usb_pending_buffer = 0;
62 }
63
64 /*
65 * External function to map logical endpoints to physical endpoints
66 */
67 static cy_as_return_status_t
68 is_usb_active(cy_as_device *dev_p)
69 {
70 if (!cy_as_device_is_configured(dev_p))
71 return CY_AS_ERROR_NOT_CONFIGURED;
72
73 if (!cy_as_device_is_firmware_loaded(dev_p))
74 return CY_AS_ERROR_NO_FIRMWARE;
75
76 if (dev_p->usb_count == 0)
77 return CY_AS_ERROR_NOT_RUNNING;
78
79 if (cy_as_device_is_in_suspend_mode(dev_p))
80 return CY_AS_ERROR_IN_SUSPEND;
81
82 return CY_AS_ERROR_SUCCESS;
83 }
84
85 static void
86 usb_ack_callback(cy_as_device_handle h,
87 cy_as_return_status_t status,
88 uint32_t client,
89 cy_as_funct_c_b_type type,
90 void *data)
91 {
92 cy_as_device *dev_p = (cy_as_device *)h;
93
94 (void)client;
95 (void)status;
96 (void)data;
97
98 cy_as_hal_assert(type == CY_FUNCT_CB_NODATA);
99
100 if (dev_p->usb_pending_buffer) {
101 cy_as_usb_io_callback cb;
102
103 cb = dev_p->usb_cb[0];
104 dev_p->usb_cb[0] = 0;
105 cy_as_device_clear_usb_async_pending(dev_p, 0);
106 if (cb)
107 cb(h, 0, dev_p->usb_pending_size,
108 dev_p->usb_pending_buffer, dev_p->usb_error);
109
110 dev_p->usb_pending_buffer = 0;
111 }
112
113 cy_as_device_clear_setup_packet(dev_p);
114 }
115
116 static void
117 my_usb_request_callback_usb_event(cy_as_device *dev_p,
118 cy_as_ll_request_response *req_p)
119 {
120 uint16_t ev;
121 uint16_t val;
122 cy_as_device_handle h = (cy_as_device_handle)dev_p;
123
124 ev = cy_as_ll_request_response__get_word(req_p, 0);
125 switch (ev) {
126 case 0: /* Reserved */
127 cy_as_ll_send_status_response(dev_p, CY_RQT_USB_RQT_CONTEXT,
128 CY_AS_ERROR_INVALID_REQUEST, 0);
129 break;
130
131 case 1: /* Reserved */
132 cy_as_ll_send_status_response(dev_p, CY_RQT_USB_RQT_CONTEXT,
133 CY_AS_ERROR_INVALID_REQUEST, 0);
134 break;
135
136 case 2: /* USB Suspend */
137 dev_p->usb_last_event = cy_as_event_usb_suspend;
138 if (dev_p->usb_event_cb_ms)
139 dev_p->usb_event_cb_ms(h, cy_as_event_usb_suspend, 0);
140 else if (dev_p->usb_event_cb)
141 dev_p->usb_event_cb(h, cy_as_event_usb_suspend, 0);
142 cy_as_ll_send_status_response(dev_p,
143 CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
144 break;
145
146 case 3: /* USB Resume */
147 dev_p->usb_last_event = cy_as_event_usb_resume;
148 if (dev_p->usb_event_cb_ms)
149 dev_p->usb_event_cb_ms(h, cy_as_event_usb_resume, 0);
150 else if (dev_p->usb_event_cb)
151 dev_p->usb_event_cb(h, cy_as_event_usb_resume, 0);
152 cy_as_ll_send_status_response(dev_p,
153 CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
154 break;
155
156 case 4: /* USB Reset */
157 /*
158 * if we get a USB reset, the USB host did not understand
159 * our response or we timed out for some reason. reset
160 * our internal state to be ready for another set of
161 * enumeration based requests.
162 */
163 if (cy_as_device_is_ack_delayed(dev_p))
164 cy_as_usb_reset_e_p0_state(dev_p);
165
166 dev_p->usb_last_event = cy_as_event_usb_reset;
167 if (dev_p->usb_event_cb_ms)
168 dev_p->usb_event_cb_ms(h, cy_as_event_usb_reset, 0);
169 else if (dev_p->usb_event_cb)
170 dev_p->usb_event_cb(h, cy_as_event_usb_reset, 0);
171
172 cy_as_ll_send_status_response(dev_p,
173 CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
174 cy_as_device_clear_usb_high_speed(dev_p);
175 cy_as_usb_set_dma_sizes(dev_p);
176 dev_p->usb_max_tx_size = 0x40;
177 cy_as_dma_set_max_dma_size(dev_p, 0x06, 0x40);
178 break;
179
180 case 5: /* USB Set Configuration */
181 /* The configuration to set */
182 val = cy_as_ll_request_response__get_word(req_p, 1);
183 dev_p->usb_last_event = cy_as_event_usb_set_config;
184 if (dev_p->usb_event_cb_ms)
185 dev_p->usb_event_cb_ms(h,
186 cy_as_event_usb_set_config, &val);
187 else if (dev_p->usb_event_cb)
188 dev_p->usb_event_cb(h,
189 cy_as_event_usb_set_config, &val);
190
191 cy_as_ll_send_status_response(dev_p,
192 CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
193 break;
194
195 case 6: /* USB Speed change */
196 /* Connect speed */
197 val = cy_as_ll_request_response__get_word(req_p, 1);
198 dev_p->usb_last_event = cy_as_event_usb_speed_change;
199 if (dev_p->usb_event_cb_ms)
200 dev_p->usb_event_cb_ms(h,
201 cy_as_event_usb_speed_change, &val);
202 else if (dev_p->usb_event_cb)
203 dev_p->usb_event_cb(h,
204 cy_as_event_usb_speed_change, &val);
205
206 cy_as_ll_send_status_response(dev_p,
207 CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
208 cy_as_device_set_usb_high_speed(dev_p);
209 cy_as_usb_set_dma_sizes(dev_p);
210 dev_p->usb_max_tx_size = 0x200;
211 cy_as_dma_set_max_dma_size(dev_p, 0x06, 0x200);
212 break;
213
214 case 7: /* USB Clear Feature */
215 /* EP Number */
216 val = cy_as_ll_request_response__get_word(req_p, 1);
217 if (dev_p->usb_event_cb_ms)
218 dev_p->usb_event_cb_ms(h,
219 cy_as_event_usb_clear_feature, &val);
220 if (dev_p->usb_event_cb)
221 dev_p->usb_event_cb(h,
222 cy_as_event_usb_clear_feature, &val);
223
224 cy_as_ll_send_status_response(dev_p,
225 CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
226 break;
227
228 default:
229 cy_as_hal_print_message("invalid event type\n");
230 cy_as_ll_send_data_response(dev_p, CY_RQT_USB_RQT_CONTEXT,
231 CY_RESP_USB_INVALID_EVENT, sizeof(ev), &ev);
232 break;
233 }
234 }
235
236 static void
237 my_usb_request_callback_usb_data(cy_as_device *dev_p,
238 cy_as_ll_request_response *req_p)
239 {
240 cy_as_end_point_number_t ep;
241 uint8_t type;
242 uint16_t len;
243 uint16_t val;
244 cy_as_device_handle h = (cy_as_device_handle)dev_p;
245
246 val = cy_as_ll_request_response__get_word(req_p, 0);
247 ep = (cy_as_end_point_number_t)((val >> 13) & 0x01);
248 len = (val & 0x1ff);
249
250 cy_as_hal_assert(len <= 64);
251 cy_as_ll_request_response__unpack(req_p,
252 1, len, dev_p->usb_ep_data);
253
254 type = (uint8_t)((val >> 14) & 0x03);
255 if (type == 0) {
256 if (cy_as_device_is_ack_delayed(dev_p)) {
257 /*
258 * A setup packet has arrived while we are
259 * processing a previous setup packet. reset
260 * our state with respect to EP0 to be ready
261 * to process the new packet.
262 */
263 cy_as_usb_reset_e_p0_state(dev_p);
264 }
265
266 if (len != 8)
267 cy_as_ll_send_status_response(dev_p,
268 CY_RQT_USB_RQT_CONTEXT,
269 CY_AS_ERROR_INVALID_REQUEST, 0);
270 else {
271 cy_as_device_clear_ep0_stalled(dev_p);
272 cy_as_device_set_setup_packet(dev_p);
273 cy_as_ll_send_status_response(dev_p,
274 CY_RQT_USB_RQT_CONTEXT,
275 CY_AS_ERROR_SUCCESS, 0);
276
277 if (dev_p->usb_event_cb_ms)
278 dev_p->usb_event_cb_ms(h,
279 cy_as_event_usb_setup_packet,
280 dev_p->usb_ep_data);
281 else
282 dev_p->usb_event_cb(h,
283 cy_as_event_usb_setup_packet,
284 dev_p->usb_ep_data);
285
286 if ((!cy_as_device_is_ack_delayed(dev_p)) &&
287 (!cy_as_device_is_ep0_stalled(dev_p)))
288 cy_as_usb_ack_setup_packet(h,
289 usb_ack_callback, 0);
290 }
291 } else if (type == 2) {
292 if (len != 0)
293 cy_as_ll_send_status_response(dev_p,
294 CY_RQT_USB_RQT_CONTEXT,
295 CY_AS_ERROR_INVALID_REQUEST, 0);
296 else {
297 if (dev_p->usb_event_cb_ms)
298 dev_p->usb_event_cb_ms(h,
299 cy_as_event_usb_status_packet, 0);
300 else
301 dev_p->usb_event_cb(h,
302 cy_as_event_usb_status_packet, 0);
303
304 cy_as_ll_send_status_response(dev_p,
305 CY_RQT_USB_RQT_CONTEXT,
306 CY_AS_ERROR_SUCCESS, 0);
307 }
308 } else if (type == 1) {
309 /*
310 * we need to hand the data associated with these
311 * endpoints to the DMA module.
312 */
313 cy_as_dma_received_data(dev_p, ep, len, dev_p->usb_ep_data);
314 cy_as_ll_send_status_response(dev_p,
315 CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
316 }
317 }
318
319 static void
320 my_usb_request_callback_inquiry(cy_as_device *dev_p,
321 cy_as_ll_request_response *req_p)
322 {
323 cy_as_usb_inquiry_data_dep cbdata;
324 cy_as_usb_inquiry_data cbdata_ms;
325 void *data;
326 uint16_t val;
327 cy_as_device_handle h = (cy_as_device_handle)dev_p;
328 uint8_t def_inq_data[64];
329 uint8_t evpd;
330 uint8_t codepage;
331 cy_bool updated;
332 uint16_t length;
333
334 cy_as_bus_number_t bus;
335 uint32_t device;
336 cy_as_media_type media;
337
338 val = cy_as_ll_request_response__get_word(req_p, 0);
339 bus = cy_as_storage_get_bus_from_address(val);
340 device = cy_as_storage_get_device_from_address(val);
341 media = cy_as_storage_get_media_from_address(val);
342
343 val = cy_as_ll_request_response__get_word(req_p, 1);
344 evpd = (uint8_t)((val >> 8) & 0x01);
345 codepage = (uint8_t)(val & 0xff);
346
347 length = cy_as_ll_request_response__get_word(req_p, 2);
348 data = (void *)def_inq_data;
349
350 updated = cy_false;
351
352 if (dev_p->usb_event_cb_ms) {
353 cbdata_ms.bus = bus;
354 cbdata_ms.device = device;
355 cbdata_ms.updated = updated;
356 cbdata_ms.evpd = evpd;
357 cbdata_ms.codepage = codepage;
358 cbdata_ms.length = length;
359 cbdata_ms.data = data;
360
361 cy_as_hal_assert(cbdata_ms.length <= sizeof(def_inq_data));
362 cy_as_ll_request_response__unpack(req_p,
363 3, cbdata_ms.length, cbdata_ms.data);
364
365 dev_p->usb_event_cb_ms(h,
366 cy_as_event_usb_inquiry_before, &cbdata_ms);
367
368 updated = cbdata_ms.updated;
369 data = cbdata_ms.data;
370 length = cbdata_ms.length;
371 } else if (dev_p->usb_event_cb) {
372 cbdata.media = media;
373 cbdata.updated = updated;
374 cbdata.evpd = evpd;
375 cbdata.codepage = codepage;
376 cbdata.length = length;
377 cbdata.data = data;
378
379 cy_as_hal_assert(cbdata.length <=
380 sizeof(def_inq_data));
381 cy_as_ll_request_response__unpack(req_p, 3,
382 cbdata.length, cbdata.data);
383
384 dev_p->usb_event_cb(h,
385 cy_as_event_usb_inquiry_before, &cbdata);
386
387 updated = cbdata.updated;
388 data = cbdata.data;
389 length = cbdata.length;
390 }
391
392 if (updated && length > 192)
393 cy_as_hal_print_message("an inquiry result from a "
394 "cy_as_event_usb_inquiry_before event "
395 "was greater than 192 bytes.");
396
397 /* Now send the reply with the data back
398 * to the West Bridge device */
399 if (updated && length <= 192) {
400 /*
401 * the callback function modified the inquiry
402 * data, ship the data back to the west bridge firmware.
403 */
404 cy_as_ll_send_data_response(dev_p,
405 CY_RQT_USB_RQT_CONTEXT,
406 CY_RESP_INQUIRY_DATA, length, data);
407 } else {
408 /*
409 * the callback did not modify the data, just acknowledge
410 * that we processed the request
411 */
412 cy_as_ll_send_status_response(dev_p,
413 CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 1);
414 }
415
416 if (dev_p->usb_event_cb_ms)
417 dev_p->usb_event_cb_ms(h,
418 cy_as_event_usb_inquiry_after, &cbdata_ms);
419 else if (dev_p->usb_event_cb)
420 dev_p->usb_event_cb(h,
421 cy_as_event_usb_inquiry_after, &cbdata);
422 }
423
424 static void
425 my_usb_request_callback_start_stop(cy_as_device *dev_p,
426 cy_as_ll_request_response *req_p)
427 {
428 cy_as_bus_number_t bus;
429 cy_as_media_type media;
430 uint32_t device;
431 uint16_t val;
432
433 if (dev_p->usb_event_cb_ms || dev_p->usb_event_cb) {
434 cy_bool loej;
435 cy_bool start;
436 cy_as_device_handle h = (cy_as_device_handle)dev_p;
437
438 val = cy_as_ll_request_response__get_word(req_p, 0);
439 bus = cy_as_storage_get_bus_from_address(val);
440 device = cy_as_storage_get_device_from_address(val);
441 media = cy_as_storage_get_media_from_address(val);
442
443 val = cy_as_ll_request_response__get_word(req_p, 1);
444 loej = (val & 0x02) ? cy_true : cy_false;
445 start = (val & 0x01) ? cy_true : cy_false;
446
447 if (dev_p->usb_event_cb_ms) {
448 cy_as_usb_start_stop_data cbdata_ms;
449
450 cbdata_ms.bus = bus;
451 cbdata_ms.device = device;
452 cbdata_ms.loej = loej;
453 cbdata_ms.start = start;
454 dev_p->usb_event_cb_ms(h,
455 cy_as_event_usb_start_stop, &cbdata_ms);
456
457 } else if (dev_p->usb_event_cb) {
458 cy_as_usb_start_stop_data_dep cbdata;
459
460 cbdata.media = media;
461 cbdata.loej = loej;
462 cbdata.start = start;
463 dev_p->usb_event_cb(h,
464 cy_as_event_usb_start_stop, &cbdata);
465 }
466 }
467 cy_as_ll_send_status_response(dev_p,
468 CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 1);
469 }
470
471 static void
472 my_usb_request_callback_uknown_c_b_w(cy_as_device *dev_p,
473 cy_as_ll_request_response *req_p)
474 {
475 uint16_t val;
476 cy_as_device_handle h = (cy_as_device_handle)dev_p;
477 uint8_t buf[16];
478
479 uint8_t response[4];
480 uint16_t reqlen;
481 void *request;
482 uint8_t status;
483 uint8_t key;
484 uint8_t asc;
485 uint8_t ascq;
486
487 val = cy_as_ll_request_response__get_word(req_p, 0);
488 /* Failed by default */
489 status = 1;
490 /* Invalid command */
491 key = 0x05;
492 /* Invalid command */
493 asc = 0x20;
494 /* Invalid command */
495 ascq = 0x00;
496 reqlen = cy_as_ll_request_response__get_word(req_p, 1);
497 request = buf;
498
499 cy_as_hal_assert(reqlen <= sizeof(buf));
500 cy_as_ll_request_response__unpack(req_p, 2, reqlen, request);
501
502 if (dev_p->usb_event_cb_ms) {
503 cy_as_usb_unknown_command_data cbdata_ms;
504 cbdata_ms.bus = cy_as_storage_get_bus_from_address(val);
505 cbdata_ms.device =
506 cy_as_storage_get_device_from_address(val);
507 cbdata_ms.reqlen = reqlen;
508 cbdata_ms.request = request;
509 cbdata_ms.status = status;
510 cbdata_ms.key = key;
511 cbdata_ms.asc = asc;
512 cbdata_ms.ascq = ascq;
513
514 dev_p->usb_event_cb_ms(h,
515 cy_as_event_usb_unknown_storage, &cbdata_ms);
516 status = cbdata_ms.status;
517 key = cbdata_ms.key;
518 asc = cbdata_ms.asc;
519 ascq = cbdata_ms.ascq;
520 } else if (dev_p->usb_event_cb) {
521 cy_as_usb_unknown_command_data_dep cbdata;
522 cbdata.media =
523 cy_as_storage_get_media_from_address(val);
524 cbdata.reqlen = reqlen;
525 cbdata.request = request;
526 cbdata.status = status;
527 cbdata.key = key;
528 cbdata.asc = asc;
529 cbdata.ascq = ascq;
530
531 dev_p->usb_event_cb(h,
532 cy_as_event_usb_unknown_storage, &cbdata);
533 status = cbdata.status;
534 key = cbdata.key;
535 asc = cbdata.asc;
536 ascq = cbdata.ascq;
537 }
538
539 response[0] = status;
540 response[1] = key;
541 response[2] = asc;
542 response[3] = ascq;
543 cy_as_ll_send_data_response(dev_p, CY_RQT_USB_RQT_CONTEXT,
544 CY_RESP_UNKNOWN_SCSI_COMMAND, sizeof(response), response);
545 }
546
547 static void
548 my_usb_request_callback_m_s_c_progress(cy_as_device *dev_p,
549 cy_as_ll_request_response *req_p)
550 {
551 uint16_t val1, val2;
552 cy_as_device_handle h = (cy_as_device_handle)dev_p;
553
554 if ((dev_p->usb_event_cb) || (dev_p->usb_event_cb_ms)) {
555 cy_as_m_s_c_progress_data cbdata;
556
557 val1 = cy_as_ll_request_response__get_word(req_p, 0);
558 val2 = cy_as_ll_request_response__get_word(req_p, 1);
559 cbdata.wr_count = (uint32_t)((val1 << 16) | val2);
560
561 val1 = cy_as_ll_request_response__get_word(req_p, 2);
562 val2 = cy_as_ll_request_response__get_word(req_p, 3);
563 cbdata.rd_count = (uint32_t)((val1 << 16) | val2);
564
565 if (dev_p->usb_event_cb)
566 dev_p->usb_event_cb(h,
567 cy_as_event_usb_m_s_c_progress, &cbdata);
568 else
569 dev_p->usb_event_cb_ms(h,
570 cy_as_event_usb_m_s_c_progress, &cbdata);
571 }
572
573 cy_as_ll_send_status_response(dev_p,
574 CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
575 }
576
577 /*
578 * This function processes the requests delivered from the
579 * firmware within the West Bridge device that are delivered
580 * in the USB context. These requests generally are EP0 and
581 * EP1 related requests or USB events.
582 */
583 static void
584 my_usb_request_callback(cy_as_device *dev_p, uint8_t context,
585 cy_as_ll_request_response *req_p,
586 cy_as_ll_request_response *resp_p,
587 cy_as_return_status_t ret)
588 {
589 uint16_t val;
590 uint8_t code = cy_as_ll_request_response__get_code(req_p);
591
592 (void)resp_p;
593 (void)context;
594 (void)ret;
595
596 switch (code) {
597 case CY_RQT_USB_EVENT:
598 my_usb_request_callback_usb_event(dev_p, req_p);
599 break;
600
601 case CY_RQT_USB_EP_DATA:
602 dev_p->usb_last_event = cy_as_event_usb_setup_packet;
603 my_usb_request_callback_usb_data(dev_p, req_p);
604 break;
605
606 case CY_RQT_SCSI_INQUIRY_COMMAND:
607 dev_p->usb_last_event = cy_as_event_usb_inquiry_after;
608 my_usb_request_callback_inquiry(dev_p, req_p);
609 break;
610
611 case CY_RQT_SCSI_START_STOP_COMMAND:
612 dev_p->usb_last_event = cy_as_event_usb_start_stop;
613 my_usb_request_callback_start_stop(dev_p, req_p);
614 break;
615
616 case CY_RQT_SCSI_UNKNOWN_COMMAND:
617 dev_p->usb_last_event = cy_as_event_usb_unknown_storage;
618 my_usb_request_callback_uknown_c_b_w(dev_p, req_p);
619 break;
620
621 case CY_RQT_USB_ACTIVITY_UPDATE:
622 dev_p->usb_last_event = cy_as_event_usb_m_s_c_progress;
623 my_usb_request_callback_m_s_c_progress(dev_p, req_p);
624 break;
625
626 default:
627 cy_as_hal_print_message("invalid request "
628 "received on USB context\n");
629 val = req_p->box0;
630 cy_as_ll_send_data_response(dev_p, CY_RQT_USB_RQT_CONTEXT,
631 CY_RESP_INVALID_REQUEST, sizeof(val), &val);
632 break;
633 }
634 }
635
636 static cy_as_return_status_t
637 my_handle_response_usb_start(cy_as_device *dev_p,
638 cy_as_ll_request_response *req_p,
639 cy_as_ll_request_response *reply_p,
640 cy_as_return_status_t ret)
641 {
642 if (ret != CY_AS_ERROR_SUCCESS)
643 goto destroy;
644
645 if (cy_as_ll_request_response__get_code(reply_p) !=
646 CY_RESP_SUCCESS_FAILURE) {
647 ret = CY_AS_ERROR_INVALID_RESPONSE;
648 goto destroy;
649 }
650
651 ret = cy_as_ll_request_response__get_word(reply_p, 0);
652 if (ret != CY_AS_ERROR_SUCCESS)
653 goto destroy;
654
655 /*
656 * mark EP 0 and EP1 as 64 byte endpoints
657 */
658 cy_as_dma_set_max_dma_size(dev_p, 0, 64);
659 cy_as_dma_set_max_dma_size(dev_p, 1, 64);
660
661 dev_p->usb_count++;
662
663 destroy:
664 cy_as_ll_destroy_request(dev_p, req_p);
665 cy_as_ll_destroy_response(dev_p, reply_p);
666
667 if (ret != CY_AS_ERROR_SUCCESS) {
668 cy_as_destroy_c_b_queue(dev_p->usb_func_cbs);
669 cy_as_ll_register_request_callback(dev_p,
670 CY_RQT_USB_RQT_CONTEXT, 0);
671 }
672
673 cy_as_device_clear_u_s_s_pending(dev_p);
674
675 return ret;
676
677 }
678
679 /*
680 * This function starts the USB stack. The stack is reference
681 * counted so if the stack is already started, this function
682 * just increments the count. If the stack has not been started,
683 * a start request is sent to the West Bridge device.
684 *
685 * Note: Starting the USB stack does not cause the USB signals
686 * to be connected to the USB pins. To do this and therefore
687 * initiate enumeration, CyAsUsbConnect() must be called.
688 */
689 cy_as_return_status_t
690 cy_as_usb_start(cy_as_device_handle handle,
691 cy_as_function_callback cb,
692 uint32_t client)
693 {
694 cy_as_ll_request_response *req_p, *reply_p;
695 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
696
697 cy_as_device *dev_p;
698
699 cy_as_log_debug_message(6, "cy_as_usb_start called");
700
701 dev_p = (cy_as_device *)handle;
702 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
703 return CY_AS_ERROR_INVALID_HANDLE;
704
705 if (!cy_as_device_is_configured(dev_p))
706 return CY_AS_ERROR_NOT_CONFIGURED;
707
708 if (!cy_as_device_is_firmware_loaded(dev_p))
709 return CY_AS_ERROR_NO_FIRMWARE;
710
711 if (cy_as_device_is_in_suspend_mode(dev_p))
712 return CY_AS_ERROR_IN_SUSPEND;
713
714 if (cy_as_device_is_in_callback(dev_p))
715 return CY_AS_ERROR_INVALID_IN_CALLBACK;
716
717 if (cy_as_device_is_u_s_s_pending(dev_p))
718 return CY_AS_ERROR_STARTSTOP_PENDING;
719
720 cy_as_device_set_u_s_s_pending(dev_p);
721
722 if (dev_p->usb_count == 0) {
723 /*
724 * since we are just starting the stack,
725 * mark USB as not connected to the remote host
726 */
727 cy_as_device_clear_usb_connected(dev_p);
728 dev_p->usb_phy_config = 0;
729
730 /* Queue for 1.0 Async Requests, kept for
731 * backwards compatibility */
732 dev_p->usb_func_cbs = cy_as_create_c_b_queue(CYAS_USB_FUNC_CB);
733 if (dev_p->usb_func_cbs == 0) {
734 cy_as_device_clear_u_s_s_pending(dev_p);
735 return CY_AS_ERROR_OUT_OF_MEMORY;
736 }
737
738 /* Reset the EP0 state */
739 cy_as_usb_reset_e_p0_state(dev_p);
740
741 /*
742 * we register here because the start request may cause
743 * events to occur before the response to the start request.
744 */
745 cy_as_ll_register_request_callback(dev_p,
746 CY_RQT_USB_RQT_CONTEXT, my_usb_request_callback);
747
748 /* Create the request to send to the West Bridge device */
749 req_p = cy_as_ll_create_request(dev_p,
750 CY_RQT_START_USB, CY_RQT_USB_RQT_CONTEXT, 0);
751 if (req_p == 0) {
752 cy_as_destroy_c_b_queue(dev_p->usb_func_cbs);
753 dev_p->usb_func_cbs = 0;
754 cy_as_device_clear_u_s_s_pending(dev_p);
755 return CY_AS_ERROR_OUT_OF_MEMORY;
756 }
757
758 /* Reserve space for the reply, the reply data
759 * will not exceed one word */
760 reply_p = cy_as_ll_create_response(dev_p, 1);
761 if (reply_p == 0) {
762 cy_as_destroy_c_b_queue(dev_p->usb_func_cbs);
763 dev_p->usb_func_cbs = 0;
764 cy_as_ll_destroy_request(dev_p, req_p);
765 cy_as_device_clear_u_s_s_pending(dev_p);
766 return CY_AS_ERROR_OUT_OF_MEMORY;
767 }
768
769 if (cb == 0) {
770 ret = cy_as_ll_send_request_wait_reply(dev_p,
771 req_p, reply_p);
772 if (ret != CY_AS_ERROR_SUCCESS)
773 goto destroy;
774
775 return my_handle_response_usb_start(dev_p,
776 req_p, reply_p, ret);
777 } else {
778 ret = cy_as_misc_send_request(dev_p, cb,
779 client, CY_FUNCT_CB_USB_START, 0,
780 dev_p->func_cbs_usb,
781 CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
782 cy_as_usb_func_callback);
783
784 if (ret != CY_AS_ERROR_SUCCESS)
785 goto destroy;
786
787 return ret;
788 }
789
790 destroy:
791 cy_as_ll_destroy_request(dev_p, req_p);
792 cy_as_ll_destroy_response(dev_p, reply_p);
793 } else {
794 dev_p->usb_count++;
795 if (cb)
796 cb(handle, ret, client, CY_FUNCT_CB_USB_START, 0);
797 }
798
799 cy_as_device_clear_u_s_s_pending(dev_p);
800
801 return ret;
802 }
803 EXPORT_SYMBOL(cy_as_usb_start);
804
805 void
806 cy_as_usb_reset(cy_as_device *dev_p)
807 {
808 int i;
809
810 cy_as_device_clear_usb_connected(dev_p);
811
812 for (i = 0; i < sizeof(dev_p->usb_config) /
813 sizeof(dev_p->usb_config[0]); i++) {
814 /*
815 * cancel all pending USB read/write operations, as it is
816 * possible that the USB stack comes up in a different
817 * configuration with a different set of endpoints.
818 */
819 if (cy_as_device_is_usb_async_pending(dev_p, i))
820 cy_as_usb_cancel_async(dev_p,
821 (cy_as_end_point_number_t)i);
822
823 dev_p->usb_cb[i] = 0;
824 dev_p->usb_config[i].enabled = cy_false;
825 }
826
827 dev_p->usb_phy_config = 0;
828 }
829
830 /*
831 * This function does all the API side clean-up associated
832 * with CyAsUsbStop, without any communication with firmware.
833 * This needs to be done when the device is being reset while
834 * the USB stack is active.
835 */
836 void
837 cy_as_usb_cleanup(cy_as_device *dev_p)
838 {
839 if (dev_p->usb_count) {
840 cy_as_usb_reset_e_p0_state(dev_p);
841 cy_as_usb_reset(dev_p);
842 cy_as_hal_mem_set(dev_p->usb_config, 0,
843 sizeof(dev_p->usb_config));
844 cy_as_destroy_c_b_queue(dev_p->usb_func_cbs);
845
846 dev_p->usb_count = 0;
847 }
848 }
849
850 static cy_as_return_status_t
851 my_handle_response_usb_stop(cy_as_device *dev_p,
852 cy_as_ll_request_response *req_p,
853 cy_as_ll_request_response *reply_p,
854 cy_as_return_status_t ret)
855 {
856 if (ret != CY_AS_ERROR_SUCCESS)
857 goto destroy;
858
859 if (cy_as_ll_request_response__get_code(reply_p) !=
860 CY_RESP_SUCCESS_FAILURE) {
861 ret = CY_AS_ERROR_INVALID_RESPONSE;
862 goto destroy;
863 }
864
865 ret = cy_as_ll_request_response__get_word(reply_p, 0);
866 if (ret != CY_AS_ERROR_SUCCESS)
867 goto destroy;
868
869 /*
870 * we successfully shutdown the stack, so
871 * decrement to make the count zero.
872 */
873 cy_as_usb_cleanup(dev_p);
874
875 destroy:
876 cy_as_ll_destroy_request(dev_p, req_p);
877 cy_as_ll_destroy_response(dev_p, reply_p);
878
879 if (ret != CY_AS_ERROR_SUCCESS)
880 cy_as_ll_register_request_callback(dev_p,
881 CY_RQT_USB_RQT_CONTEXT, 0);
882
883 cy_as_device_clear_u_s_s_pending(dev_p);
884
885 return ret;
886 }
887
888 /*
889 * This function stops the USB stack. The USB stack is reference
890 * counted so first is reference count is decremented. If the
891 * reference count is then zero, a request is sent to the West
892 * Bridge device to stop the USB stack on the West Bridge device.
893 */
894 cy_as_return_status_t
895 cy_as_usb_stop(cy_as_device_handle handle,
896 cy_as_function_callback cb,
897 uint32_t client)
898 {
899 cy_as_ll_request_response *req_p = 0, *reply_p = 0;
900 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
901
902 cy_as_device *dev_p;
903
904 cy_as_log_debug_message(6, "cy_as_usb_stop called");
905
906 dev_p = (cy_as_device *)handle;
907 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
908 return CY_AS_ERROR_INVALID_HANDLE;
909
910 ret = is_usb_active(dev_p);
911 if (ret != CY_AS_ERROR_SUCCESS)
912 return ret;
913
914 if (cy_as_device_is_usb_connected(dev_p))
915 return CY_AS_ERROR_USB_CONNECTED;
916
917 if (cy_as_device_is_in_callback(dev_p))
918 return CY_AS_ERROR_INVALID_IN_CALLBACK;
919
920 if (cy_as_device_is_u_s_s_pending(dev_p))
921 return CY_AS_ERROR_STARTSTOP_PENDING;
922
923 cy_as_device_set_u_s_s_pending(dev_p);
924
925 if (dev_p->usb_count == 1) {
926 /* Create the request to send to the West Bridge device */
927 req_p = cy_as_ll_create_request(dev_p, CY_RQT_STOP_USB,
928 CY_RQT_USB_RQT_CONTEXT, 0);
929 if (req_p == 0) {
930 ret = CY_AS_ERROR_OUT_OF_MEMORY;
931 goto destroy;
932 }
933
934 /* Reserve space for the reply, the reply data will not
935 * exceed one word */
936 reply_p = cy_as_ll_create_response(dev_p, 1);
937 if (reply_p == 0) {
938 ret = CY_AS_ERROR_OUT_OF_MEMORY;
939 goto destroy;
940 }
941
942 if (cb == 0) {
943 ret = cy_as_ll_send_request_wait_reply(dev_p,
944 req_p, reply_p);
945 if (ret != CY_AS_ERROR_SUCCESS)
946 goto destroy;
947
948 return my_handle_response_usb_stop(dev_p,
949 req_p, reply_p, ret);
950 } else {
951 ret = cy_as_misc_send_request(dev_p, cb, client,
952 CY_FUNCT_CB_USB_STOP, 0, dev_p->func_cbs_usb,
953 CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
954 cy_as_usb_func_callback);
955
956 if (ret != CY_AS_ERROR_SUCCESS)
957 goto destroy;
958
959 return ret;
960 }
961
962 destroy:
963 cy_as_ll_destroy_request(dev_p, req_p);
964 cy_as_ll_destroy_response(dev_p, reply_p);
965 } else if (dev_p->usb_count > 1) {
966 /*
967 * reset all LE_ps to inactive state, after cleaning
968 * up any pending async read/write calls.
969 */
970 cy_as_usb_reset(dev_p);
971 dev_p->usb_count--;
972
973 if (cb)
974 cb(handle, ret, client, CY_FUNCT_CB_USB_STOP, 0);
975 }
976
977 cy_as_device_clear_u_s_s_pending(dev_p);
978
979 return ret;
980 }
981 EXPORT_SYMBOL(cy_as_usb_stop);
982
983 /*
984 * This function registers a callback to be called when
985 * USB events are processed
986 */
987 cy_as_return_status_t
988 cy_as_usb_register_callback(cy_as_device_handle handle,
989 cy_as_usb_event_callback callback)
990 {
991 cy_as_device *dev_p;
992
993 cy_as_log_debug_message(6, "cy_as_usb_register_callback called");
994
995 dev_p = (cy_as_device *)handle;
996 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
997 return CY_AS_ERROR_INVALID_HANDLE;
998
999 if (!cy_as_device_is_configured(dev_p))
1000 return CY_AS_ERROR_NOT_CONFIGURED;
1001
1002 if (!cy_as_device_is_firmware_loaded(dev_p))
1003 return CY_AS_ERROR_NO_FIRMWARE;
1004
1005 dev_p->usb_event_cb = NULL;
1006 dev_p->usb_event_cb_ms = callback;
1007 return CY_AS_ERROR_SUCCESS;
1008 }
1009 EXPORT_SYMBOL(cy_as_usb_register_callback);
1010
1011 static cy_as_return_status_t
1012 my_handle_response_no_data(cy_as_device *dev_p,
1013 cy_as_ll_request_response *req_p,
1014 cy_as_ll_request_response *reply_p)
1015 {
1016 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
1017
1018 if (cy_as_ll_request_response__get_code(reply_p) !=
1019 CY_RESP_SUCCESS_FAILURE)
1020 ret = CY_AS_ERROR_INVALID_RESPONSE;
1021 else
1022 ret = cy_as_ll_request_response__get_word(reply_p, 0);
1023
1024 cy_as_ll_destroy_request(dev_p, req_p);
1025 cy_as_ll_destroy_response(dev_p, reply_p);
1026
1027 return ret;
1028 }
1029
1030 static cy_as_return_status_t
1031 my_handle_response_connect(cy_as_device *dev_p,
1032 cy_as_ll_request_response *req_p,
1033 cy_as_ll_request_response *reply_p,
1034 cy_as_return_status_t ret)
1035 {
1036 if (ret != CY_AS_ERROR_SUCCESS)
1037 goto destroy;
1038
1039 if (cy_as_ll_request_response__get_code(reply_p) !=
1040 CY_RESP_SUCCESS_FAILURE) {
1041 ret = CY_AS_ERROR_INVALID_RESPONSE;
1042 goto destroy;
1043 }
1044
1045 ret = cy_as_ll_request_response__get_word(reply_p, 0);
1046 if (ret == CY_AS_ERROR_SUCCESS)
1047 cy_as_device_set_usb_connected(dev_p);
1048
1049 destroy:
1050 cy_as_ll_destroy_request(dev_p, req_p);
1051 cy_as_ll_destroy_response(dev_p, reply_p);
1052
1053 return ret;
1054 }
1055
1056
1057 /*
1058 * This method asks the West Bridge device to connect the
1059 * internal USB D+ and D- signals to the USB pins, thus
1060 * starting the enumeration processes if the external pins
1061 * are connected to a USB host. If the external pins are
1062 * not connected to a USB host, enumeration will begin as soon
1063 * as the USB pins are connected to a host.
1064 */
1065 cy_as_return_status_t
1066 cy_as_usb_connect(cy_as_device_handle handle,
1067 cy_as_function_callback cb,
1068 uint32_t client)
1069 {
1070 cy_as_ll_request_response *req_p , *reply_p;
1071 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
1072
1073 cy_as_device *dev_p;
1074
1075 cy_as_log_debug_message(6, "cy_as_usb_connect called");
1076
1077 dev_p = (cy_as_device *)handle;
1078 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
1079 return CY_AS_ERROR_INVALID_HANDLE;
1080
1081 ret = is_usb_active(dev_p);
1082 if (ret != CY_AS_ERROR_SUCCESS)
1083 return ret;
1084
1085 if (cy_as_device_is_in_callback(dev_p))
1086 return CY_AS_ERROR_INVALID_IN_CALLBACK;
1087
1088 /* Create the request to send to the West Bridge device */
1089 req_p = cy_as_ll_create_request(dev_p,
1090 CY_RQT_SET_CONNECT_STATE, CY_RQT_USB_RQT_CONTEXT, 1);
1091 if (req_p == 0)
1092 return CY_AS_ERROR_OUT_OF_MEMORY;
1093
1094 /* 1 = Connect request */
1095 cy_as_ll_request_response__set_word(req_p, 0, 1);
1096
1097 /* Reserve space for the reply, the reply
1098 * data will not exceed one word */
1099 reply_p = cy_as_ll_create_response(dev_p, 1);
1100 if (reply_p == 0) {
1101 cy_as_ll_destroy_request(dev_p, req_p);
1102 return CY_AS_ERROR_OUT_OF_MEMORY;
1103 }
1104
1105 if (cb == 0) {
1106 ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
1107 if (ret != CY_AS_ERROR_SUCCESS)
1108 goto destroy;
1109
1110 return my_handle_response_connect(dev_p, req_p, reply_p, ret);
1111 } else {
1112 ret = cy_as_misc_send_request(dev_p, cb, client,
1113 CY_FUNCT_CB_USB_CONNECT, 0, dev_p->func_cbs_usb,
1114 CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
1115 cy_as_usb_func_callback);
1116
1117 if (ret != CY_AS_ERROR_SUCCESS)
1118 goto destroy;
1119
1120 return ret;
1121 }
1122
1123 destroy:
1124 cy_as_ll_destroy_request(dev_p, req_p);
1125 cy_as_ll_destroy_response(dev_p, reply_p);
1126
1127 return ret;
1128 }
1129 EXPORT_SYMBOL(cy_as_usb_connect);
1130
1131 static cy_as_return_status_t
1132 my_handle_response_disconnect(cy_as_device *dev_p,
1133 cy_as_ll_request_response *req_p,
1134 cy_as_ll_request_response *reply_p,
1135 cy_as_return_status_t ret)
1136 {
1137 if (ret != CY_AS_ERROR_SUCCESS)
1138 goto destroy;
1139
1140 if (cy_as_ll_request_response__get_code(reply_p) !=
1141 CY_RESP_SUCCESS_FAILURE) {
1142 ret = CY_AS_ERROR_INVALID_RESPONSE;
1143 goto destroy;
1144 }
1145
1146 ret = cy_as_ll_request_response__get_word(reply_p, 0);
1147 if (ret == CY_AS_ERROR_SUCCESS)
1148 cy_as_device_clear_usb_connected(dev_p);
1149
1150 destroy:
1151 cy_as_ll_destroy_request(dev_p, req_p);
1152 cy_as_ll_destroy_response(dev_p, reply_p);
1153
1154 return ret;
1155 }
1156 /*
1157 * This method forces a disconnect of the D+ and D- pins
1158 * external to the West Bridge device from the D+ and D-
1159 * signals internally, effectively disconnecting the West
1160 * Bridge device from any connected USB host.
1161 */
1162 cy_as_return_status_t
1163 cy_as_usb_disconnect(cy_as_device_handle handle,
1164 cy_as_function_callback cb,
1165 uint32_t client)
1166 {
1167 cy_as_ll_request_response *req_p , *reply_p;
1168 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
1169
1170 cy_as_device *dev_p;
1171
1172 cy_as_log_debug_message(6, "cy_as_usb_disconnect called");
1173
1174 dev_p = (cy_as_device *)handle;
1175 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
1176 return CY_AS_ERROR_INVALID_HANDLE;
1177
1178 ret = is_usb_active(dev_p);
1179 if (ret != CY_AS_ERROR_SUCCESS)
1180 return ret;
1181
1182 if (cy_as_device_is_in_callback(dev_p))
1183 return CY_AS_ERROR_INVALID_IN_CALLBACK;
1184
1185 if (!cy_as_device_is_usb_connected(dev_p))
1186 return CY_AS_ERROR_USB_NOT_CONNECTED;
1187
1188 /* Create the request to send to the West Bridge device */
1189 req_p = cy_as_ll_create_request(dev_p,
1190 CY_RQT_SET_CONNECT_STATE, CY_RQT_USB_RQT_CONTEXT, 1);
1191 if (req_p == 0)
1192 return CY_AS_ERROR_OUT_OF_MEMORY;
1193
1194 cy_as_ll_request_response__set_word(req_p, 0, 0);
1195
1196 /* Reserve space for the reply, the reply
1197 * data will not exceed two bytes */
1198 reply_p = cy_as_ll_create_response(dev_p, 1);
1199 if (reply_p == 0) {
1200 cy_as_ll_destroy_request(dev_p, req_p);
1201 return CY_AS_ERROR_OUT_OF_MEMORY;
1202 }
1203
1204 if (cb == 0) {
1205 ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
1206 if (ret != CY_AS_ERROR_SUCCESS)
1207 goto destroy;
1208
1209 return my_handle_response_disconnect(dev_p,
1210 req_p, reply_p, ret);
1211 } else {
1212 ret = cy_as_misc_send_request(dev_p, cb, client,
1213 CY_FUNCT_CB_USB_DISCONNECT, 0, dev_p->func_cbs_usb,
1214 CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
1215 cy_as_usb_func_callback);
1216
1217 if (ret != CY_AS_ERROR_SUCCESS)
1218 goto destroy;
1219
1220 return ret;
1221 }
1222 destroy:
1223 cy_as_ll_destroy_request(dev_p, req_p);
1224 cy_as_ll_destroy_response(dev_p, reply_p);
1225
1226 return ret;
1227 }
1228 EXPORT_SYMBOL(cy_as_usb_disconnect);
1229
1230 static cy_as_return_status_t
1231 my_handle_response_set_enum_config(cy_as_device *dev_p,
1232 cy_as_ll_request_response *req_p,
1233 cy_as_ll_request_response *reply_p)
1234 {
1235 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
1236
1237 if (cy_as_ll_request_response__get_code(reply_p) !=
1238 CY_RESP_SUCCESS_FAILURE) {
1239 ret = CY_AS_ERROR_INVALID_RESPONSE;
1240 goto destroy;
1241 }
1242
1243 ret = cy_as_ll_request_response__get_word(reply_p, 0);
1244
1245 if (ret == CY_AS_ERROR_SUCCESS) {
1246 /*
1247 * we configured the west bridge device and
1248 * enumeration is going to happen on the P port
1249 * processor. now we must enable endpoint zero
1250 */
1251 cy_as_usb_end_point_config config;
1252
1253 config.dir = cy_as_usb_in_out;
1254 config.type = cy_as_usb_control;
1255 config.enabled = cy_true;
1256
1257 ret = cy_as_usb_set_end_point_config((cy_as_device_handle *)
1258 dev_p, 0, &config);
1259 }
1260
1261 destroy:
1262 cy_as_ll_destroy_request(dev_p, req_p);
1263 cy_as_ll_destroy_response(dev_p, reply_p);
1264
1265 return ret;
1266 }
1267
1268 /*
1269 * This method sets how the USB is enumerated and should
1270 * be called before the CyAsUsbConnect() is called.
1271 */
1272 static cy_as_return_status_t
1273 my_usb_set_enum_config(cy_as_device *dev_p,
1274 uint8_t bus_mask,
1275 uint8_t media_mask,
1276 cy_bool use_antioch_enumeration,
1277 uint8_t mass_storage_interface,
1278 uint8_t mtp_interface,
1279 cy_bool mass_storage_callbacks,
1280 cy_as_function_callback cb,
1281 uint32_t client)
1282 {
1283 cy_as_ll_request_response *req_p , *reply_p;
1284 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
1285
1286 cy_as_log_debug_message(6, "cy_as_usb_set_enum_config called");
1287
1288 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
1289 return CY_AS_ERROR_INVALID_HANDLE;
1290
1291 ret = is_usb_active(dev_p);
1292 if (ret != CY_AS_ERROR_SUCCESS)
1293 return ret;
1294
1295 if (cy_as_device_is_usb_connected(dev_p))
1296 return CY_AS_ERROR_USB_CONNECTED;
1297
1298 if (cy_as_device_is_in_callback(dev_p))
1299 return CY_AS_ERROR_INVALID_IN_CALLBACK;
1300
1301 /* if we are using MTP firmware: */
1302 if (dev_p->is_mtp_firmware == 1) {
1303 /* we cannot enumerate MSC */
1304 if (mass_storage_interface != 0)
1305 return CY_AS_ERROR_INVALID_CONFIGURATION;
1306
1307 if (bus_mask == 0) {
1308 if (mtp_interface != 0)
1309 return CY_AS_ERROR_INVALID_CONFIGURATION;
1310 } else if (bus_mask == 2) {
1311 /* enable EP 1 as it will be used */
1312 cy_as_dma_enable_end_point(dev_p, 1, cy_true,
1313 cy_as_direction_in);
1314 dev_p->usb_config[1].enabled = cy_true;
1315 dev_p->usb_config[1].dir = cy_as_usb_in;
1316 dev_p->usb_config[1].type = cy_as_usb_int;
1317 } else {
1318 return CY_AS_ERROR_INVALID_CONFIGURATION;
1319 }
1320 /* if we are not using MTP firmware, we cannot enumerate MTP */
1321 } else if (mtp_interface != 0)
1322 return CY_AS_ERROR_INVALID_CONFIGURATION;
1323
1324 /*
1325 * if we are not enumerating mass storage, we should
1326 * not be providing an interface number.
1327 */
1328 if (bus_mask == 0 && mass_storage_interface != 0)
1329 return CY_AS_ERROR_INVALID_CONFIGURATION;
1330
1331 /*
1332 * if we are going to use mtp_interface, bus mask must be 2.
1333 */
1334 if (mtp_interface != 0 && bus_mask != 2)
1335 return CY_AS_ERROR_INVALID_CONFIGURATION;
1336
1337
1338 /* Create the request to send to the West Bridge device */
1339 req_p = cy_as_ll_create_request(dev_p,
1340 CY_RQT_SET_USB_CONFIG, CY_RQT_USB_RQT_CONTEXT, 4);
1341 if (req_p == 0)
1342 return CY_AS_ERROR_OUT_OF_MEMORY;
1343
1344 /* Marshal the structure */
1345 cy_as_ll_request_response__set_word(req_p, 0,
1346 (uint16_t)((media_mask << 8) | bus_mask));
1347 cy_as_ll_request_response__set_word(req_p, 1,
1348 (uint16_t)use_antioch_enumeration);
1349 cy_as_ll_request_response__set_word(req_p, 2,
1350 dev_p->is_mtp_firmware ? mtp_interface :
1351 mass_storage_interface);
1352 cy_as_ll_request_response__set_word(req_p, 3,
1353 (uint16_t)mass_storage_callbacks);
1354
1355 /* Reserve space for the reply, the reply
1356 * data will not exceed one word */
1357 reply_p = cy_as_ll_create_response(dev_p, 1);
1358 if (reply_p == 0) {
1359 cy_as_ll_destroy_request(dev_p, req_p);
1360 return CY_AS_ERROR_OUT_OF_MEMORY;
1361 }
1362
1363 if (cb == 0) {
1364
1365 ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
1366 if (ret != CY_AS_ERROR_SUCCESS)
1367 goto destroy;
1368
1369 return my_handle_response_set_enum_config(dev_p,
1370 req_p, reply_p);
1371 } else {
1372 ret = cy_as_misc_send_request(dev_p, cb, client,
1373 CY_FUNCT_CB_USB_SETENUMCONFIG, 0, dev_p->func_cbs_usb,
1374 CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
1375 cy_as_usb_func_callback);
1376
1377 if (ret != CY_AS_ERROR_SUCCESS)
1378 goto destroy;
1379
1380 return ret;
1381 }
1382
1383 destroy:
1384 cy_as_ll_destroy_request(dev_p, req_p);
1385 cy_as_ll_destroy_response(dev_p, reply_p);
1386
1387 return ret;
1388 }
1389
1390 /*
1391 * This method sets how the USB is enumerated and should
1392 * be called before the CyAsUsbConnect() is called.
1393 */
1394 cy_as_return_status_t
1395 cy_as_usb_set_enum_config(cy_as_device_handle handle,
1396 cy_as_usb_enum_control *config_p,
1397 cy_as_function_callback cb,
1398 uint32_t client)
1399 {
1400 cy_as_device *dev_p = (cy_as_device *)handle;
1401 uint8_t bus_mask, media_mask;
1402 uint32_t bus, device;
1403 cy_as_return_status_t ret;
1404
1405 dev_p = (cy_as_device *)handle;
1406 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
1407 return CY_AS_ERROR_INVALID_HANDLE;
1408
1409 ret = is_usb_active(dev_p);
1410 if (ret != CY_AS_ERROR_SUCCESS)
1411 return ret;
1412
1413 if ((cy_as_device_is_in_callback(dev_p)) && (cb != 0))
1414 return CY_AS_ERROR_INVALID_IN_CALLBACK;
1415
1416 /* Since we are mapping the media types to bus with NAND to 0
1417 * and the rest to 1, and we are only allowing for enumerating
1418 * all the devices on a bus we just scan the array for any
1419 * positions where there a device is enabled and mark the bus
1420 * to be enumerated.
1421 */
1422 bus_mask = 0;
1423 media_mask = 0;
1424 for (bus = 0; bus < CY_AS_MAX_BUSES; bus++) {
1425 for (device = 0; device < CY_AS_MAX_STORAGE_DEVICES; device++) {
1426 if (config_p->devices_to_enumerate[bus][device] ==
1427 cy_true) {
1428 bus_mask |= (0x01 << bus);
1429 media_mask |= dev_p->media_supported[bus];
1430 media_mask |= dev_p->media_supported[bus];
1431 }
1432 }
1433 }
1434
1435 return my_usb_set_enum_config(dev_p, bus_mask, media_mask,
1436 config_p->antioch_enumeration,
1437 config_p->mass_storage_interface,
1438 config_p->mtp_interface,
1439 config_p->mass_storage_callbacks,
1440 cb,
1441 client
1442 );
1443 }
1444 EXPORT_SYMBOL(cy_as_usb_set_enum_config);
1445
1446 static cy_as_return_status_t
1447 my_handle_response_get_enum_config(cy_as_device *dev_p,
1448 cy_as_ll_request_response *req_p,
1449 cy_as_ll_request_response *reply_p,
1450 void *config_p)
1451 {
1452 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
1453 uint16_t val;
1454 uint8_t bus_mask;
1455 uint32_t bus;
1456
1457 if (cy_as_ll_request_response__get_code(reply_p) !=
1458 CY_RESP_USB_CONFIG) {
1459 ret = CY_AS_ERROR_INVALID_RESPONSE;
1460 goto destroy;
1461 }
1462
1463 /* Marshal the reply */
1464 if (req_p->flags & CY_AS_REQUEST_RESPONSE_MS) {
1465 uint32_t device;
1466 cy_bool state;
1467 cy_as_usb_enum_control *ms_config_p =
1468 (cy_as_usb_enum_control *)config_p;
1469
1470 bus_mask = (uint8_t)
1471 (cy_as_ll_request_response__get_word
1472 (reply_p, 0) & 0xFF);
1473 for (bus = 0; bus < CY_AS_MAX_BUSES; bus++) {
1474 if (bus_mask & (1 << bus))
1475 state = cy_true;
1476 else
1477 state = cy_false;
1478
1479 for (device = 0; device < CY_AS_MAX_STORAGE_DEVICES;
1480 device++)
1481 ms_config_p->devices_to_enumerate[bus][device]
1482 = state;
1483 }
1484
1485 ms_config_p->antioch_enumeration =
1486 (cy_bool)cy_as_ll_request_response__get_word
1487 (reply_p, 1);
1488
1489 val = cy_as_ll_request_response__get_word(reply_p, 2);
1490 if (dev_p->is_mtp_firmware) {
1491 ms_config_p->mass_storage_interface = 0;
1492 ms_config_p->mtp_interface = (uint8_t)(val & 0xFF);
1493 } else {
1494 ms_config_p->mass_storage_interface =
1495 (uint8_t)(val & 0xFF);
1496 ms_config_p->mtp_interface = 0;
1497 }
1498 ms_config_p->mass_storage_callbacks = (cy_bool)(val >> 8);
1499
1500 /*
1501 * firmware returns an invalid interface number for mass storage,
1502 * if mass storage is not enabled. this needs to be converted to
1503 * zero to match the input configuration.
1504 */
1505 if (bus_mask == 0) {
1506 if (dev_p->is_mtp_firmware)
1507 ms_config_p->mtp_interface = 0;
1508 else
1509 ms_config_p->mass_storage_interface = 0;
1510 }
1511 } else {
1512 cy_as_usb_enum_control_dep *ex_config_p =
1513 (cy_as_usb_enum_control_dep *)config_p;
1514
1515 ex_config_p->enum_mass_storage = (uint8_t)
1516 ((cy_as_ll_request_response__get_word
1517 (reply_p, 0) >> 8) & 0xFF);
1518 ex_config_p->antioch_enumeration = (cy_bool)
1519 cy_as_ll_request_response__get_word(reply_p, 1);
1520
1521 val = cy_as_ll_request_response__get_word(reply_p, 2);
1522 ex_config_p->mass_storage_interface = (uint8_t)(val & 0xFF);
1523 ex_config_p->mass_storage_callbacks = (cy_bool)(val >> 8);
1524
1525 /*
1526 * firmware returns an invalid interface number for mass
1527 * storage, if mass storage is not enabled. this needs to
1528 * be converted to zero to match the input configuration.
1529 */
1530 if (ex_config_p->enum_mass_storage == 0)
1531 ex_config_p->mass_storage_interface = 0;
1532 }
1533
1534 destroy:
1535 cy_as_ll_destroy_request(dev_p, req_p);
1536 cy_as_ll_destroy_response(dev_p, reply_p);
1537
1538 return ret;
1539 }
1540
1541 /*
1542 * This sets up the request for the enumerateion configuration
1543 * information, based on if the request is from the old pre-1.2
1544 * functions.
1545 */
1546 static cy_as_return_status_t
1547 my_usb_get_enum_config(cy_as_device_handle handle,
1548 uint16_t req_flags,
1549 void *config_p,
1550 cy_as_function_callback cb,
1551 uint32_t client)
1552 {
1553 cy_as_ll_request_response *req_p , *reply_p;
1554 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
1555
1556 cy_as_device *dev_p;
1557
1558 cy_as_log_debug_message(6, "cy_as_usb_get_enum_config called");
1559
1560 dev_p = (cy_as_device *)handle;
1561 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
1562 return CY_AS_ERROR_INVALID_HANDLE;
1563
1564 ret = is_usb_active(dev_p);
1565 if (ret != CY_AS_ERROR_SUCCESS)
1566 return ret;
1567
1568 if (cy_as_device_is_in_callback(dev_p))
1569 return CY_AS_ERROR_INVALID_IN_CALLBACK;
1570
1571 /* Create the request to send to the West Bridge device */
1572 req_p = cy_as_ll_create_request(dev_p,
1573 CY_RQT_GET_USB_CONFIG, CY_RQT_USB_RQT_CONTEXT, 0);
1574 if (req_p == 0)
1575 return CY_AS_ERROR_OUT_OF_MEMORY;
1576
1577 /* Reserve space for the reply, the reply data
1578 * will not exceed two bytes */
1579 reply_p = cy_as_ll_create_response(dev_p, 3);
1580 if (reply_p == 0) {
1581 cy_as_ll_destroy_request(dev_p, req_p);
1582 return CY_AS_ERROR_OUT_OF_MEMORY;
1583 }
1584
1585 if (cb == 0) {
1586 ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
1587 if (ret != CY_AS_ERROR_SUCCESS)
1588 goto destroy;
1589
1590 /* we need to know the type of request to
1591 * know how to manage the data */
1592 req_p->flags |= req_flags;
1593 return my_handle_response_get_enum_config(dev_p,
1594 req_p, reply_p, config_p);
1595 } else {
1596 ret = cy_as_misc_send_request(dev_p, cb, client,
1597 CY_FUNCT_CB_USB_GETENUMCONFIG, config_p,
1598 dev_p->func_cbs_usb, req_flags, req_p, reply_p,
1599 cy_as_usb_func_callback);
1600
1601 if (ret != CY_AS_ERROR_SUCCESS)
1602 goto destroy;
1603
1604 return ret;
1605 }
1606
1607 destroy:
1608 cy_as_ll_destroy_request(dev_p, req_p);
1609 cy_as_ll_destroy_response(dev_p, reply_p);
1610
1611 return ret;
1612 }
1613
1614 /*
1615 * This method returns the enumerateion configuration information
1616 * from the West Bridge device. Generally this is not used by
1617 * client software but is provided mostly for debug information.
1618 * We want a method to read all state information from the device.
1619 */
1620 cy_as_return_status_t
1621 cy_as_usb_get_enum_config(cy_as_device_handle handle,
1622 cy_as_usb_enum_control *config_p,
1623 cy_as_function_callback cb,
1624 uint32_t client)
1625 {
1626 return my_usb_get_enum_config(handle,
1627 CY_AS_REQUEST_RESPONSE_MS, config_p, cb, client);
1628 }
1629 EXPORT_SYMBOL(cy_as_usb_get_enum_config);
1630
1631 /*
1632 * This method sets the USB descriptor for a given entity.
1633 */
1634 cy_as_return_status_t
1635 cy_as_usb_set_descriptor(cy_as_device_handle handle,
1636 cy_as_usb_desc_type type,
1637 uint8_t index,
1638 void *desc_p,
1639 uint16_t length,
1640 cy_as_function_callback cb,
1641 uint32_t client)
1642 {
1643 cy_as_ll_request_response *req_p , *reply_p;
1644 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
1645 uint16_t pktlen;
1646
1647 cy_as_device *dev_p;
1648
1649 cy_as_log_debug_message(6, "cy_as_usb_set_descriptor called");
1650
1651 dev_p = (cy_as_device *)handle;
1652 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
1653 return CY_AS_ERROR_INVALID_HANDLE;
1654
1655 ret = is_usb_active(dev_p);
1656 if (ret != CY_AS_ERROR_SUCCESS)
1657 return ret;
1658
1659 if (cy_as_device_is_in_callback(dev_p))
1660 return CY_AS_ERROR_INVALID_IN_CALLBACK;
1661
1662 if (length > CY_AS_MAX_USB_DESCRIPTOR_SIZE)
1663 return CY_AS_ERROR_INVALID_DESCRIPTOR;
1664
1665 pktlen = (uint16_t)length / 2;
1666 if (length % 2)
1667 pktlen++;
1668 pktlen += 2; /* 1 for type, 1 for length */
1669
1670 /* Create the request to send to the West Bridge device */
1671 req_p = cy_as_ll_create_request(dev_p, CY_RQT_SET_DESCRIPTOR,
1672 CY_RQT_USB_RQT_CONTEXT, (uint16_t)pktlen);
1673 if (req_p == 0)
1674 return CY_AS_ERROR_OUT_OF_MEMORY;
1675
1676 cy_as_ll_request_response__set_word(req_p, 0,
1677 (uint16_t)((uint8_t)type | (index << 8)));
1678 cy_as_ll_request_response__set_word(req_p, 1,
1679 (uint16_t)length);
1680 cy_as_ll_request_response__pack(req_p, 2, length, desc_p);
1681
1682 reply_p = cy_as_ll_create_response(dev_p, 1);
1683 if (reply_p == 0) {
1684 cy_as_ll_destroy_request(dev_p, req_p);
1685 return CY_AS_ERROR_OUT_OF_MEMORY;
1686 }
1687
1688 if (cb == 0) {
1689 ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
1690 if (ret != CY_AS_ERROR_SUCCESS)
1691 goto destroy;
1692
1693 return my_handle_response_no_data(dev_p, req_p, reply_p);
1694 } else {
1695 ret = cy_as_misc_send_request(dev_p, cb, client,
1696 CY_FUNCT_CB_USB_SETDESCRIPTOR, 0, dev_p->func_cbs_usb,
1697 CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
1698 cy_as_usb_func_callback);
1699
1700 if (ret != CY_AS_ERROR_SUCCESS)
1701 goto destroy;
1702
1703 return ret;
1704 }
1705
1706 destroy:
1707 cy_as_ll_destroy_request(dev_p, req_p);
1708 cy_as_ll_destroy_response(dev_p, reply_p);
1709
1710 return ret;
1711 }
1712 EXPORT_SYMBOL(cy_as_usb_set_descriptor);
1713
1714 /*
1715 * This method clears all descriptors that were previously
1716 * stored on the West Bridge through CyAsUsbSetDescriptor calls.
1717 */
1718 cy_as_return_status_t
1719 cy_as_usb_clear_descriptors(cy_as_device_handle handle,
1720 cy_as_function_callback cb,
1721 uint32_t client)
1722 {
1723 cy_as_ll_request_response *req_p , *reply_p;
1724 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
1725
1726 cy_as_device *dev_p;
1727
1728 cy_as_log_debug_message(6, "cy_as_usb_clear_descriptors called");
1729
1730 dev_p = (cy_as_device *)handle;
1731 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
1732 return CY_AS_ERROR_INVALID_HANDLE;
1733
1734 ret = is_usb_active(dev_p);
1735 if (ret != CY_AS_ERROR_SUCCESS)
1736 return ret;
1737
1738 if ((cy_as_device_is_in_callback(dev_p)) && (cb == 0))
1739 return CY_AS_ERROR_INVALID_IN_CALLBACK;
1740
1741 /* Create the request to send to the West Bridge device */
1742 req_p = cy_as_ll_create_request(dev_p,
1743 CY_RQT_CLEAR_DESCRIPTORS, CY_RQT_USB_RQT_CONTEXT, 1);
1744 if (req_p == 0)
1745 return CY_AS_ERROR_OUT_OF_MEMORY;
1746
1747 reply_p = cy_as_ll_create_response(dev_p, 1);
1748 if (reply_p == 0) {
1749 cy_as_ll_destroy_request(dev_p, req_p);
1750 return CY_AS_ERROR_OUT_OF_MEMORY;
1751 }
1752
1753 if (cb == 0) {
1754
1755 ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
1756 if (ret != CY_AS_ERROR_SUCCESS)
1757 goto destroy;
1758
1759 return my_handle_response_no_data(dev_p, req_p, reply_p);
1760 } else {
1761 ret = cy_as_misc_send_request(dev_p, cb, client,
1762 CY_FUNCT_CB_USB_CLEARDESCRIPTORS, 0,
1763 dev_p->func_cbs_usb,
1764 CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
1765 cy_as_usb_func_callback);
1766
1767 if (ret != CY_AS_ERROR_SUCCESS)
1768 goto destroy;
1769
1770 return ret;
1771 }
1772
1773 destroy:
1774 cy_as_ll_destroy_request(dev_p, req_p);
1775 cy_as_ll_destroy_response(dev_p, reply_p);
1776
1777 return ret;
1778 }
1779 EXPORT_SYMBOL(cy_as_usb_clear_descriptors);
1780
1781 static cy_as_return_status_t
1782 my_handle_response_get_descriptor(cy_as_device *dev_p,
1783 cy_as_ll_request_response *req_p,
1784 cy_as_ll_request_response *reply_p,
1785 cy_as_get_descriptor_data *data)
1786 {
1787 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
1788 uint32_t retlen;
1789
1790 if (cy_as_ll_request_response__get_code(reply_p) ==
1791 CY_RESP_SUCCESS_FAILURE) {
1792 ret = cy_as_ll_request_response__get_word(reply_p, 0);
1793 goto destroy;
1794 } else if (cy_as_ll_request_response__get_code(reply_p) !=
1795 CY_RESP_USB_DESCRIPTOR) {
1796 ret = CY_AS_ERROR_INVALID_RESPONSE;
1797 goto destroy;
1798 }
1799
1800 retlen = cy_as_ll_request_response__get_word(reply_p, 0);
1801 if (retlen > data->length) {
1802 ret = CY_AS_ERROR_INVALID_SIZE;
1803 goto destroy;
1804 }
1805
1806 ret = CY_AS_ERROR_SUCCESS;
1807 cy_as_ll_request_response__unpack(reply_p, 1,
1808 retlen, data->desc_p);
1809
1810 destroy:
1811 cy_as_ll_destroy_request(dev_p, req_p);
1812 cy_as_ll_destroy_response(dev_p, reply_p);
1813
1814 return ret;
1815 }
1816
1817 /*
1818 * This method retreives the USB descriptor for a given type.
1819 */
1820 cy_as_return_status_t
1821 cy_as_usb_get_descriptor(cy_as_device_handle handle,
1822 cy_as_usb_desc_type type,
1823 uint8_t index,
1824 cy_as_get_descriptor_data *data,
1825 cy_as_function_callback cb,
1826 uint32_t client)
1827 {
1828 cy_as_return_status_t ret;
1829 cy_as_ll_request_response *req_p , *reply_p;
1830
1831 cy_as_device *dev_p;
1832
1833 cy_as_log_debug_message(6, "cy_as_usb_get_descriptor called");
1834
1835 dev_p = (cy_as_device *)handle;
1836 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
1837 return CY_AS_ERROR_INVALID_HANDLE;
1838
1839 ret = is_usb_active(dev_p);
1840 if (ret != CY_AS_ERROR_SUCCESS)
1841 return ret;
1842
1843 if (cy_as_device_is_in_callback(dev_p))
1844 return CY_AS_ERROR_INVALID_IN_CALLBACK;
1845
1846 /* Create the request to send to the West Bridge device */
1847 req_p = cy_as_ll_create_request(dev_p,
1848 CY_RQT_GET_DESCRIPTOR, CY_RQT_USB_RQT_CONTEXT, 1);
1849 if (req_p == 0)
1850 return CY_AS_ERROR_OUT_OF_MEMORY;
1851
1852 cy_as_ll_request_response__set_word(req_p, 0,
1853 (uint16_t)((uint8_t)type | (index << 8)));
1854
1855 /* Add one for the length field */
1856 reply_p = cy_as_ll_create_response(dev_p,
1857 CY_AS_MAX_USB_DESCRIPTOR_SIZE + 1);
1858 if (reply_p == 0) {
1859 cy_as_ll_destroy_request(dev_p, req_p);
1860 return CY_AS_ERROR_OUT_OF_MEMORY;
1861 }
1862
1863 if (cb == 0) {
1864 ret = cy_as_ll_send_request_wait_reply(
1865 dev_p, req_p, reply_p);
1866 if (ret != CY_AS_ERROR_SUCCESS)
1867 goto destroy;
1868
1869 return my_handle_response_get_descriptor(dev_p,
1870 req_p, reply_p, data);
1871 } else {
1872 ret = cy_as_misc_send_request(dev_p, cb, client,
1873 CY_FUNCT_CB_USB_GETDESCRIPTOR, data,
1874 dev_p->func_cbs_usb,
1875 CY_AS_REQUEST_RESPONSE_EX, req_p,
1876 reply_p, cy_as_usb_func_callback);
1877
1878 if (ret != CY_AS_ERROR_SUCCESS)
1879 goto destroy;
1880
1881 return ret;
1882 }
1883
1884 destroy:
1885 cy_as_ll_destroy_request(dev_p, req_p);
1886 cy_as_ll_destroy_response(dev_p, reply_p);
1887
1888 return ret;
1889 }
1890 EXPORT_SYMBOL(cy_as_usb_get_descriptor);
1891
1892 cy_as_return_status_t
1893 cy_as_usb_set_physical_configuration(cy_as_device_handle handle,
1894 uint8_t config)
1895 {
1896 cy_as_return_status_t ret;
1897 cy_as_device *dev_p;
1898
1899 cy_as_log_debug_message(6,
1900 "cy_as_usb_set_physical_configuration called");
1901
1902 dev_p = (cy_as_device *)handle;
1903 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
1904 return CY_AS_ERROR_INVALID_HANDLE;
1905
1906 ret = is_usb_active(dev_p);
1907 if (ret != CY_AS_ERROR_SUCCESS)
1908 return ret;
1909
1910 if (cy_as_device_is_usb_connected(dev_p))
1911 return CY_AS_ERROR_USB_CONNECTED;
1912
1913 if (config < 1 || config > 12)
1914 return CY_AS_ERROR_INVALID_CONFIGURATION;
1915
1916 dev_p->usb_phy_config = config;
1917
1918 return CY_AS_ERROR_SUCCESS;
1919 }
1920 EXPORT_SYMBOL(cy_as_usb_set_physical_configuration);
1921
1922 static cy_bool
1923 is_physical_valid(uint8_t config, cy_as_end_point_number_t ep)
1924 {
1925 static uint8_t validmask[12] = {
1926 0x0f, /* Config 1 - 1, 2, 3, 4 */
1927 0x07, /* Config 2 - 1, 2, 3 */
1928 0x07, /* Config 3 - 1, 2, 3 */
1929 0x0d, /* Config 4 - 1, 3, 4 */
1930 0x05, /* Config 5 - 1, 3 */
1931 0x05, /* Config 6 - 1, 3 */
1932 0x0d, /* Config 7 - 1, 3, 4 */
1933 0x05, /* Config 8 - 1, 3 */
1934 0x05, /* Config 9 - 1, 3 */
1935 0x0d, /* Config 10 - 1, 3, 4 */
1936 0x09, /* Config 11 - 1, 4 */
1937 0x01 /* Config 12 - 1 */
1938 };
1939
1940 return (validmask[config - 1] & (1 << (ep - 1))) ? cy_true : cy_false;
1941 }
1942
1943 /*
1944 * This method sets the configuration for an endpoint
1945 */
1946 cy_as_return_status_t
1947 cy_as_usb_set_end_point_config(cy_as_device_handle handle,
1948 cy_as_end_point_number_t ep, cy_as_usb_end_point_config *config_p)
1949 {
1950 cy_as_return_status_t ret;
1951 cy_as_device *dev_p;
1952
1953 cy_as_log_debug_message(6, "cy_as_usb_set_end_point_config called");
1954
1955 dev_p = (cy_as_device *)handle;
1956 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
1957 return CY_AS_ERROR_INVALID_HANDLE;
1958
1959 ret = is_usb_active(dev_p);
1960 if (ret != CY_AS_ERROR_SUCCESS)
1961 return ret;
1962
1963 if (cy_as_device_is_usb_connected(dev_p))
1964 return CY_AS_ERROR_USB_CONNECTED;
1965
1966 if (ep >= 16 || ep == 2 || ep == 4 || ep == 6 || ep == 8)
1967 return CY_AS_ERROR_INVALID_ENDPOINT;
1968
1969 if (ep == 0) {
1970 /* Endpoint 0 must be 64 byte, dir IN/OUT,
1971 * and control type */
1972 if (config_p->dir != cy_as_usb_in_out ||
1973 config_p->type != cy_as_usb_control)
1974 return CY_AS_ERROR_INVALID_CONFIGURATION;
1975 } else if (ep == 1) {
1976 if ((dev_p->is_mtp_firmware == 1) &&
1977 (dev_p->usb_config[1].enabled == cy_true)) {
1978 return CY_AS_ERROR_INVALID_ENDPOINT;
1979 }
1980
1981 /*
1982 * EP1 can only be used either as an OUT ep, or as an IN ep.
1983 */
1984 if ((config_p->type == cy_as_usb_control) ||
1985 (config_p->type == cy_as_usb_iso) ||
1986 (config_p->dir == cy_as_usb_in_out))
1987 return CY_AS_ERROR_INVALID_CONFIGURATION;
1988 } else {
1989 if (config_p->dir == cy_as_usb_in_out ||
1990 config_p->type == cy_as_usb_control)
1991 return CY_AS_ERROR_INVALID_CONFIGURATION;
1992
1993 if (!is_physical_valid(dev_p->usb_phy_config,
1994 config_p->physical))
1995 return CY_AS_ERROR_INVALID_PHYSICAL_ENDPOINT;
1996
1997 /*
1998 * ISO endpoints must be on E_ps 3, 5, 7 or 9 as
1999 * they need to align directly with the underlying
2000 * physical endpoint.
2001 */
2002 if (config_p->type == cy_as_usb_iso) {
2003 if (ep != 3 && ep != 5 && ep != 7 && ep != 9)
2004 return CY_AS_ERROR_INVALID_CONFIGURATION;
2005
2006 if (ep == 3 && config_p->physical != 1)
2007 return CY_AS_ERROR_INVALID_CONFIGURATION;
2008
2009 if (ep == 5 && config_p->physical != 2)
2010 return CY_AS_ERROR_INVALID_CONFIGURATION;
2011
2012 if (ep == 7 && config_p->physical != 3)
2013 return CY_AS_ERROR_INVALID_CONFIGURATION;
2014
2015 if (ep == 9 && config_p->physical != 4)
2016 return CY_AS_ERROR_INVALID_CONFIGURATION;
2017 }
2018 }
2019
2020 /* Store the configuration information until a
2021 * CyAsUsbCommitConfig is done */
2022 dev_p->usb_config[ep] = *config_p;
2023
2024 /* If the endpoint is enabled, enable DMA associated
2025 * with the endpoint */
2026 /*
2027 * we make some assumptions that we check here. we assume
2028 * that the direction fields for the DMA module are the same
2029 * values as the direction values for the USB module.
2030 */
2031 cy_as_hal_assert((int)cy_as_usb_in == (int)cy_as_direction_in);
2032 cy_as_hal_assert((int)cy_as_usb_out == (int)cy_as_direction_out);
2033 cy_as_hal_assert((int)cy_as_usb_in_out == (int)cy_as_direction_in_out);
2034
2035 return cy_as_dma_enable_end_point(dev_p, ep,
2036 config_p->enabled, (cy_as_dma_direction)config_p->dir);
2037 }
2038 EXPORT_SYMBOL(cy_as_usb_set_end_point_config);
2039
2040 cy_as_return_status_t
2041 cy_as_usb_get_end_point_config(cy_as_device_handle handle,
2042 cy_as_end_point_number_t ep, cy_as_usb_end_point_config *config_p)
2043 {
2044 cy_as_return_status_t ret;
2045
2046 cy_as_device *dev_p;
2047
2048 cy_as_log_debug_message(6, "cy_as_usb_get_end_point_config called");
2049
2050 dev_p = (cy_as_device *)handle;
2051 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
2052 return CY_AS_ERROR_INVALID_HANDLE;
2053
2054 ret = is_usb_active(dev_p);
2055 if (ret != CY_AS_ERROR_SUCCESS)
2056 return ret;
2057
2058 if (ep >= 16 || ep == 2 || ep == 4 || ep == 6 || ep == 8)
2059 return CY_AS_ERROR_INVALID_ENDPOINT;
2060
2061 *config_p = dev_p->usb_config[ep];
2062
2063 return CY_AS_ERROR_SUCCESS;
2064 }
2065 EXPORT_SYMBOL(cy_as_usb_get_end_point_config);
2066
2067 /*
2068 * Commit the configuration of the various endpoints to the hardware.
2069 */
2070 cy_as_return_status_t
2071 cy_as_usb_commit_config(cy_as_device_handle handle,
2072 cy_as_function_callback cb,
2073 uint32_t client)
2074 {
2075 uint32_t i;
2076 cy_as_return_status_t ret;
2077 cy_as_ll_request_response *req_p , *reply_p;
2078 cy_as_device *dev_p;
2079 uint16_t data;
2080
2081 cy_as_log_debug_message(6, "cy_as_usb_commit_config called");
2082
2083 dev_p = (cy_as_device *)handle;
2084 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
2085 return CY_AS_ERROR_INVALID_HANDLE;
2086
2087 ret = is_usb_active(dev_p);
2088 if (ret != CY_AS_ERROR_SUCCESS)
2089 return ret;
2090
2091 if (cy_as_device_is_usb_connected(dev_p))
2092 return CY_AS_ERROR_USB_CONNECTED;
2093
2094 if (cy_as_device_is_in_callback(dev_p))
2095 return CY_AS_ERROR_INVALID_IN_CALLBACK;
2096
2097 /*
2098 * this performs the mapping based on informatation that was
2099 * previously stored on the device about the various endpoints
2100 * and how they are configured. the output of this mapping is
2101 * setting the the 14 register values contained in usb_lepcfg
2102 * and usb_pepcfg
2103 */
2104 ret = cy_as_usb_map_logical2_physical(dev_p);
2105 if (ret != CY_AS_ERROR_SUCCESS)
2106 return ret;
2107
2108 /*
2109 * now, package the information about the various logical and
2110 * physical endpoint configuration registers and send it
2111 * across to the west bridge device.
2112 */
2113 req_p = cy_as_ll_create_request(dev_p,
2114 CY_RQT_SET_USB_CONFIG_REGISTERS, CY_RQT_USB_RQT_CONTEXT, 8);
2115 if (req_p == 0)
2116 return CY_AS_ERROR_OUT_OF_MEMORY;
2117
2118 cy_as_hal_print_message("USB configuration: %d\n",
2119 dev_p->usb_phy_config);
2120 cy_as_hal_print_message("EP1OUT: 0x%02x EP1IN: 0x%02x\n",
2121 dev_p->usb_ep1cfg[0], dev_p->usb_ep1cfg[1]);
2122 cy_as_hal_print_message("PEP registers: 0x%02x 0x%02x 0x%02x 0x%02x\n",
2123 dev_p->usb_pepcfg[0], dev_p->usb_pepcfg[1],
2124 dev_p->usb_pepcfg[2], dev_p->usb_pepcfg[3]);
2125
2126 cy_as_hal_print_message("LEP registers: 0x%02x 0x%02x 0x%02x "
2127 "0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
2128 dev_p->usb_lepcfg[0], dev_p->usb_lepcfg[1],
2129 dev_p->usb_lepcfg[2], dev_p->usb_lepcfg[3],
2130 dev_p->usb_lepcfg[4], dev_p->usb_lepcfg[5],
2131 dev_p->usb_lepcfg[6], dev_p->usb_lepcfg[7],
2132 dev_p->usb_lepcfg[8], dev_p->usb_lepcfg[9]);
2133
2134 /* Write the EP1OUTCFG and EP1INCFG data in the first word. */
2135 data = (uint16_t)((dev_p->usb_ep1cfg[0] << 8) |
2136 dev_p->usb_ep1cfg[1]);
2137 cy_as_ll_request_response__set_word(req_p, 0, data);
2138
2139 /* Write the PEP CFG data in the next 2 words */
2140 for (i = 0; i < 4; i += 2) {
2141 data = (uint16_t)((dev_p->usb_pepcfg[i] << 8) |
2142 dev_p->usb_pepcfg[i + 1]);
2143 cy_as_ll_request_response__set_word(req_p,
2144 1 + i / 2, data);
2145 }
2146
2147 /* Write the LEP CFG data in the next 5 words */
2148 for (i = 0; i < 10; i += 2) {
2149 data = (uint16_t)((dev_p->usb_lepcfg[i] << 8) |
2150 dev_p->usb_lepcfg[i + 1]);
2151 cy_as_ll_request_response__set_word(req_p,
2152 3 + i / 2, data);
2153 }
2154
2155 /* A single status word response type */
2156 reply_p = cy_as_ll_create_response(dev_p, 1);
2157 if (reply_p == 0) {
2158 cy_as_ll_destroy_request(dev_p, req_p);
2159 return CY_AS_ERROR_OUT_OF_MEMORY;
2160 }
2161
2162 if (cb == 0) {
2163 ret = cy_as_ll_send_request_wait_reply(dev_p,
2164 req_p, reply_p);
2165 if (ret != CY_AS_ERROR_SUCCESS)
2166 goto destroy;
2167
2168 ret = my_handle_response_no_data(dev_p,
2169 req_p, reply_p);
2170
2171 if (ret == CY_AS_ERROR_SUCCESS)
2172 ret = cy_as_usb_setup_dma(dev_p);
2173
2174 return ret;
2175 } else {
2176 ret = cy_as_misc_send_request(dev_p, cb, client,
2177 CY_FUNCT_CB_USB_COMMITCONFIG, 0, dev_p->func_cbs_usb,
2178 CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
2179 cy_as_usb_func_callback);
2180
2181 if (ret != CY_AS_ERROR_SUCCESS)
2182 goto destroy;
2183
2184 return ret;
2185 }
2186
2187 destroy:
2188 cy_as_ll_destroy_request(dev_p, req_p);
2189 cy_as_ll_destroy_response(dev_p, reply_p);
2190
2191 return ret;
2192 }
2193 EXPORT_SYMBOL(cy_as_usb_commit_config);
2194
2195 static void
2196 sync_request_callback(cy_as_device *dev_p,
2197 cy_as_end_point_number_t ep, void *buf_p,
2198 uint32_t size, cy_as_return_status_t err)
2199 {
2200 (void)ep;
2201 (void)buf_p;
2202
2203 dev_p->usb_error = err;
2204 dev_p->usb_actual_cnt = size;
2205 }
2206
2207 static void
2208 async_read_request_callback(cy_as_device *dev_p,
2209 cy_as_end_point_number_t ep, void *buf_p,
2210 uint32_t size, cy_as_return_status_t err)
2211 {
2212 cy_as_device_handle h;
2213
2214 cy_as_log_debug_message(6,
2215 "async_read_request_callback called");
2216
2217 h = (cy_as_device_handle)dev_p;
2218
2219 if (ep == 0 && cy_as_device_is_ack_delayed(dev_p)) {
2220 dev_p->usb_pending_buffer = buf_p;
2221 dev_p->usb_pending_size = size;
2222 dev_p->usb_error = err;
2223 cy_as_usb_ack_setup_packet(h, usb_ack_callback, 0);
2224 } else {
2225 cy_as_usb_io_callback cb;
2226
2227 cb = dev_p->usb_cb[ep];
2228 dev_p->usb_cb[ep] = 0;
2229 cy_as_device_clear_usb_async_pending(dev_p, ep);
2230 if (cb)
2231 cb(h, ep, size, buf_p, err);
2232 }
2233 }
2234
2235 static void
2236 async_write_request_callback(cy_as_device *dev_p,
2237 cy_as_end_point_number_t ep, void *buf_p,
2238 uint32_t size, cy_as_return_status_t err)
2239 {
2240 cy_as_device_handle h;
2241
2242 cy_as_log_debug_message(6,
2243 "async_write_request_callback called");
2244
2245 h = (cy_as_device_handle)dev_p;
2246
2247 if (ep == 0 && cy_as_device_is_ack_delayed(dev_p)) {
2248 dev_p->usb_pending_buffer = buf_p;
2249 dev_p->usb_pending_size = size;
2250 dev_p->usb_error = err;
2251
2252 /* The west bridge protocol generates ZLPs as required. */
2253 cy_as_usb_ack_setup_packet(h, usb_ack_callback, 0);
2254 } else {
2255 cy_as_usb_io_callback cb;
2256
2257 cb = dev_p->usb_cb[ep];
2258 dev_p->usb_cb[ep] = 0;
2259
2260 cy_as_device_clear_usb_async_pending(dev_p, ep);
2261 if (cb)
2262 cb(h, ep, size, buf_p, err);
2263 }
2264 }
2265
2266 static void
2267 my_turbo_rqt_callback(cy_as_device *dev_p,
2268 uint8_t context,
2269 cy_as_ll_request_response *rqt,
2270 cy_as_ll_request_response *resp,
2271 cy_as_return_status_t stat)
2272 {
2273 uint8_t code;
2274
2275 (void)context;
2276 (void)stat;
2277
2278 /* The Handlers are responsible for Deleting the rqt and resp when
2279 * they are finished
2280 */
2281 code = cy_as_ll_request_response__get_code(rqt);
2282 switch (code) {
2283 case CY_RQT_TURBO_SWITCH_ENDPOINT:
2284 cy_as_hal_assert(stat == CY_AS_ERROR_SUCCESS);
2285 cy_as_ll_destroy_request(dev_p, rqt);
2286 cy_as_ll_destroy_response(dev_p, resp);
2287 break;
2288 default:
2289 cy_as_hal_assert(cy_false);
2290 break;
2291 }
2292 }
2293
2294 /* Send a mailbox request to prepare the endpoint for switching */
2295 static cy_as_return_status_t
2296 my_send_turbo_switch(cy_as_device *dev_p, uint32_t size, cy_bool pktread)
2297 {
2298 cy_as_return_status_t ret;
2299 cy_as_ll_request_response *req_p , *reply_p;
2300
2301 /* Create the request to send to the West Bridge device */
2302 req_p = cy_as_ll_create_request(dev_p,
2303 CY_RQT_TURBO_SWITCH_ENDPOINT, CY_RQT_TUR_RQT_CONTEXT, 3);
2304 if (req_p == 0)
2305 return CY_AS_ERROR_OUT_OF_MEMORY;
2306
2307 /* Reserve space for the reply, the reply data will
2308 * not exceed one word */
2309 reply_p = cy_as_ll_create_response(dev_p, 1);
2310 if (reply_p == 0) {
2311 cy_as_ll_destroy_request(dev_p, req_p);
2312 return CY_AS_ERROR_OUT_OF_MEMORY;
2313 }
2314
2315 cy_as_ll_request_response__set_word(req_p, 0,
2316 (uint16_t)pktread);
2317 cy_as_ll_request_response__set_word(req_p, 1,
2318 (uint16_t)((size >> 16) & 0xFFFF));
2319 cy_as_ll_request_response__set_word(req_p, 2,
2320 (uint16_t)(size & 0xFFFF));
2321
2322 ret = cy_as_ll_send_request(dev_p, req_p,
2323 reply_p, cy_false, my_turbo_rqt_callback);
2324 if (ret != CY_AS_ERROR_SUCCESS) {
2325 cy_as_ll_destroy_request(dev_p, req_p);
2326 cy_as_ll_destroy_request(dev_p, reply_p);
2327 return ret;
2328 }
2329
2330 return CY_AS_ERROR_SUCCESS;
2331 }
2332
2333 cy_as_return_status_t
2334 cy_as_usb_read_data(cy_as_device_handle handle,
2335 cy_as_end_point_number_t ep, cy_bool pktread,
2336 uint32_t dsize, uint32_t *dataread, void *data)
2337 {
2338 cy_as_return_status_t ret;
2339 cy_as_device *dev_p;
2340
2341 cy_as_log_debug_message(6, "cy_as_usb_read_data called");
2342
2343 dev_p = (cy_as_device *)handle;
2344 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
2345 return CY_AS_ERROR_INVALID_HANDLE;
2346
2347 ret = is_usb_active(dev_p);
2348 if (ret != CY_AS_ERROR_SUCCESS)
2349 return ret;
2350
2351 if (cy_as_device_is_in_callback(dev_p))
2352 return CY_AS_ERROR_INVALID_IN_CALLBACK;
2353
2354 if (ep >= 16 || ep == 4 || ep == 6 || ep == 8)
2355 return CY_AS_ERROR_INVALID_ENDPOINT;
2356
2357 /* EP2 is available for reading when MTP is active */
2358 if (dev_p->mtp_count == 0 && ep == CY_AS_MTP_READ_ENDPOINT)
2359 return CY_AS_ERROR_INVALID_ENDPOINT;
2360
2361 /* If the endpoint is disabled, we cannot
2362 * write data to the endpoint */
2363 if (!dev_p->usb_config[ep].enabled)
2364 return CY_AS_ERROR_ENDPOINT_DISABLED;
2365
2366 if (dev_p->usb_config[ep].dir != cy_as_usb_out)
2367 return CY_AS_ERROR_USB_BAD_DIRECTION;
2368
2369 ret = cy_as_dma_queue_request(dev_p, ep, data, dsize,
2370 pktread, cy_true, sync_request_callback);
2371 if (ret != CY_AS_ERROR_SUCCESS)
2372 return ret;
2373
2374 if (ep == CY_AS_MTP_READ_ENDPOINT) {
2375 ret = my_send_turbo_switch(dev_p, dsize, pktread);
2376 if (ret != CY_AS_ERROR_SUCCESS) {
2377 cy_as_dma_cancel(dev_p, ep, ret);
2378 return ret;
2379 }
2380
2381 ret = cy_as_dma_drain_queue(dev_p, ep, cy_false);
2382 if (ret != CY_AS_ERROR_SUCCESS)
2383 return ret;
2384 } else {
2385 ret = cy_as_dma_drain_queue(dev_p, ep, cy_true);
2386 if (ret != CY_AS_ERROR_SUCCESS)
2387 return ret;
2388 }
2389
2390 ret = dev_p->usb_error;
2391 *dataread = dev_p->usb_actual_cnt;
2392
2393 return ret;
2394 }
2395 EXPORT_SYMBOL(cy_as_usb_read_data);
2396
2397 cy_as_return_status_t
2398 cy_as_usb_read_data_async(cy_as_device_handle handle,
2399 cy_as_end_point_number_t ep, cy_bool pktread,
2400 uint32_t dsize, void *data, cy_as_usb_io_callback cb)
2401 {
2402 cy_as_return_status_t ret;
2403 uint32_t mask;
2404 cy_as_device *dev_p;
2405
2406 cy_as_log_debug_message(6, "cy_as_usb_read_data_async called");
2407
2408 dev_p = (cy_as_device *)handle;
2409 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
2410 return CY_AS_ERROR_INVALID_HANDLE;
2411
2412 ret = is_usb_active(dev_p);
2413 if (ret != CY_AS_ERROR_SUCCESS)
2414 return ret;
2415
2416 if (ep >= 16 || ep == 4 || ep == 6 || ep == 8)
2417 return CY_AS_ERROR_INVALID_ENDPOINT;
2418
2419 /* EP2 is available for reading when MTP is active */
2420 if (dev_p->mtp_count == 0 && ep == CY_AS_MTP_READ_ENDPOINT)
2421 return CY_AS_ERROR_INVALID_ENDPOINT;
2422
2423 /* If the endpoint is disabled, we cannot
2424 * write data to the endpoint */
2425 if (!dev_p->usb_config[ep].enabled)
2426 return CY_AS_ERROR_ENDPOINT_DISABLED;
2427
2428 if (dev_p->usb_config[ep].dir != cy_as_usb_out &&
2429 dev_p->usb_config[ep].dir != cy_as_usb_in_out)
2430 return CY_AS_ERROR_USB_BAD_DIRECTION;
2431
2432 /*
2433 * since async operations can be triggered by interrupt
2434 * code, we must insure that we do not get multiple async
2435 * operations going at one time and protect this test and
2436 * set operation from interrupts.
2437 */
2438 mask = cy_as_hal_disable_interrupts();
2439 if (cy_as_device_is_usb_async_pending(dev_p, ep)) {
2440 cy_as_hal_enable_interrupts(mask);
2441 return CY_AS_ERROR_ASYNC_PENDING;
2442 }
2443 cy_as_device_set_usb_async_pending(dev_p, ep);
2444
2445 /*
2446 * if this is for EP0, we set this bit to delay the
2447 * ACK response until after this read has completed.
2448 */
2449 if (ep == 0)
2450 cy_as_device_set_ack_delayed(dev_p);
2451
2452 cy_as_hal_enable_interrupts(mask);
2453
2454 cy_as_hal_assert(dev_p->usb_cb[ep] == 0);
2455 dev_p->usb_cb[ep] = cb;
2456
2457 ret = cy_as_dma_queue_request(dev_p, ep, data, dsize,
2458 pktread, cy_true, async_read_request_callback);
2459 if (ret != CY_AS_ERROR_SUCCESS)
2460 return ret;
2461
2462 if (ep == CY_AS_MTP_READ_ENDPOINT) {
2463 ret = my_send_turbo_switch(dev_p, dsize, pktread);
2464 if (ret != CY_AS_ERROR_SUCCESS) {
2465 cy_as_dma_cancel(dev_p, ep, ret);
2466 return ret;
2467 }
2468 } else {
2469 /* Kick start the queue if it is not running */
2470 cy_as_dma_kick_start(dev_p, ep);
2471 }
2472 return ret;
2473 }
2474 EXPORT_SYMBOL(cy_as_usb_read_data_async);
2475
2476 cy_as_return_status_t
2477 cy_as_usb_write_data(cy_as_device_handle handle,
2478 cy_as_end_point_number_t ep, uint32_t dsize, void *data)
2479 {
2480 cy_as_return_status_t ret;
2481 cy_as_device *dev_p;
2482
2483 cy_as_log_debug_message(6, "cy_as_usb_write_data called");
2484
2485 dev_p = (cy_as_device *)handle;
2486 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
2487 return CY_AS_ERROR_INVALID_HANDLE;
2488
2489 ret = is_usb_active(dev_p);
2490 if (ret != CY_AS_ERROR_SUCCESS)
2491 return ret;
2492
2493 if (cy_as_device_is_in_callback(dev_p))
2494 return CY_AS_ERROR_INVALID_IN_CALLBACK;
2495
2496 if (ep >= 16 || ep == 2 || ep == 4 || ep == 8)
2497 return CY_AS_ERROR_INVALID_ENDPOINT;
2498
2499 /* EP6 is available for writing when MTP is active */
2500 if (dev_p->mtp_count == 0 && ep == CY_AS_MTP_WRITE_ENDPOINT)
2501 return CY_AS_ERROR_INVALID_ENDPOINT;
2502
2503 /* If the endpoint is disabled, we cannot
2504 * write data to the endpoint */
2505 if (!dev_p->usb_config[ep].enabled)
2506 return CY_AS_ERROR_ENDPOINT_DISABLED;
2507
2508 if (dev_p->usb_config[ep].dir != cy_as_usb_in &&
2509 dev_p->usb_config[ep].dir != cy_as_usb_in_out)
2510 return CY_AS_ERROR_USB_BAD_DIRECTION;
2511
2512 /* Write on Turbo endpoint */
2513 if (ep == CY_AS_MTP_WRITE_ENDPOINT) {
2514 cy_as_ll_request_response *req_p, *reply_p;
2515
2516 req_p = cy_as_ll_create_request(dev_p,
2517 CY_RQT_TURBO_SEND_RESP_DATA_TO_HOST,
2518 CY_RQT_TUR_RQT_CONTEXT, 3);
2519 if (req_p == 0)
2520 return CY_AS_ERROR_OUT_OF_MEMORY;
2521
2522 cy_as_ll_request_response__set_word(req_p,
2523 0, 0x0006); /* EP number to use. */
2524 cy_as_ll_request_response__set_word(req_p,
2525 1, (uint16_t)((dsize >> 16) & 0xFFFF));
2526 cy_as_ll_request_response__set_word(req_p,
2527 2, (uint16_t)(dsize & 0xFFFF));
2528
2529 /* Reserve space for the reply, the reply data
2530 * will not exceed one word */
2531 reply_p = cy_as_ll_create_response(dev_p, 1);
2532 if (reply_p == 0) {
2533 cy_as_ll_destroy_request(dev_p, req_p);
2534 return CY_AS_ERROR_OUT_OF_MEMORY;
2535 }
2536
2537 if (dsize) {
2538 ret = cy_as_dma_queue_request(dev_p,
2539 ep, data, dsize, cy_false,
2540 cy_false, sync_request_callback);
2541 if (ret != CY_AS_ERROR_SUCCESS)
2542 return ret;
2543 }
2544
2545 ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
2546 if (ret == CY_AS_ERROR_SUCCESS) {
2547 if (cy_as_ll_request_response__get_code(reply_p) !=
2548 CY_RESP_SUCCESS_FAILURE)
2549 ret = CY_AS_ERROR_INVALID_RESPONSE;
2550 else
2551 ret = cy_as_ll_request_response__get_word
2552 (reply_p, 0);
2553 }
2554
2555 cy_as_ll_destroy_request(dev_p, req_p);
2556 cy_as_ll_destroy_response(dev_p, reply_p);
2557
2558 if (ret != CY_AS_ERROR_SUCCESS) {
2559 if (dsize)
2560 cy_as_dma_cancel(dev_p, ep, ret);
2561 return ret;
2562 }
2563
2564 /* If this is a zero-byte write, firmware will
2565 * handle it. there is no need to do any work here.
2566 */
2567 if (!dsize)
2568 return CY_AS_ERROR_SUCCESS;
2569 } else {
2570 ret = cy_as_dma_queue_request(dev_p, ep, data, dsize,
2571 cy_false, cy_false, sync_request_callback);
2572 if (ret != CY_AS_ERROR_SUCCESS)
2573 return ret;
2574 }
2575
2576 if (ep != CY_AS_MTP_WRITE_ENDPOINT)
2577 ret = cy_as_dma_drain_queue(dev_p, ep, cy_true);
2578 else
2579 ret = cy_as_dma_drain_queue(dev_p, ep, cy_false);
2580
2581 if (ret != CY_AS_ERROR_SUCCESS)
2582 return ret;
2583
2584 ret = dev_p->usb_error;
2585 return ret;
2586 }
2587 EXPORT_SYMBOL(cy_as_usb_write_data);
2588
2589 static void
2590 mtp_write_callback(
2591 cy_as_device *dev_p,
2592 uint8_t context,
2593 cy_as_ll_request_response *rqt,
2594 cy_as_ll_request_response *resp,
2595 cy_as_return_status_t ret)
2596 {
2597 cy_as_usb_io_callback cb;
2598 cy_as_device_handle h = (cy_as_device_handle)dev_p;
2599
2600 cy_as_hal_assert(context == CY_RQT_TUR_RQT_CONTEXT);
2601
2602 if (ret == CY_AS_ERROR_SUCCESS) {
2603 if (cy_as_ll_request_response__get_code(resp) !=
2604 CY_RESP_SUCCESS_FAILURE)
2605 ret = CY_AS_ERROR_INVALID_RESPONSE;
2606 else
2607 ret = cy_as_ll_request_response__get_word(resp, 0);
2608 }
2609
2610 /* If this was a zero byte transfer request, we can
2611 * call the callback from here. */
2612 if ((cy_as_ll_request_response__get_word(rqt, 1) == 0) &&
2613 (cy_as_ll_request_response__get_word(rqt, 2) == 0)) {
2614 cb = dev_p->usb_cb[CY_AS_MTP_WRITE_ENDPOINT];
2615 dev_p->usb_cb[CY_AS_MTP_WRITE_ENDPOINT] = 0;
2616 cy_as_device_clear_usb_async_pending(dev_p,
2617 CY_AS_MTP_WRITE_ENDPOINT);
2618 if (cb)
2619 cb(h, CY_AS_MTP_WRITE_ENDPOINT, 0, 0, ret);
2620
2621 goto destroy;
2622 }
2623
2624 if (ret != CY_AS_ERROR_SUCCESS) {
2625 /* Firmware failed the request. Cancel the DMA transfer. */
2626 cy_as_dma_cancel(dev_p, 0x06, CY_AS_ERROR_CANCELED);
2627 dev_p->usb_cb[0x06] = 0;
2628 cy_as_device_clear_usb_async_pending(dev_p, 0x06);
2629 }
2630
2631 destroy:
2632 cy_as_ll_destroy_response(dev_p, resp);
2633 cy_as_ll_destroy_request(dev_p, rqt);
2634 }
2635
2636 cy_as_return_status_t
2637 cy_as_usb_write_data_async(cy_as_device_handle handle,
2638 cy_as_end_point_number_t ep, uint32_t dsize, void *data,
2639 cy_bool spacket, cy_as_usb_io_callback cb)
2640 {
2641 uint32_t mask;
2642 cy_as_return_status_t ret;
2643 cy_as_device *dev_p;
2644
2645 cy_as_log_debug_message(6, "cy_as_usb_write_data_async called");
2646
2647 dev_p = (cy_as_device *)handle;
2648 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
2649 return CY_AS_ERROR_INVALID_HANDLE;
2650
2651 ret = is_usb_active(dev_p);
2652 if (ret != CY_AS_ERROR_SUCCESS)
2653 return ret;
2654
2655 if (ep >= 16 || ep == 2 || ep == 4 || ep == 8)
2656 return CY_AS_ERROR_INVALID_ENDPOINT;
2657
2658 /* EP6 is available for writing when MTP is active */
2659 if (dev_p->mtp_count == 0 && ep == CY_AS_MTP_WRITE_ENDPOINT)
2660 return CY_AS_ERROR_INVALID_ENDPOINT;
2661
2662 /* If the endpoint is disabled, we cannot
2663 * write data to the endpoint */
2664 if (!dev_p->usb_config[ep].enabled)
2665 return CY_AS_ERROR_ENDPOINT_DISABLED;
2666
2667 if (dev_p->usb_config[ep].dir != cy_as_usb_in &&
2668 dev_p->usb_config[ep].dir != cy_as_usb_in_out)
2669 return CY_AS_ERROR_USB_BAD_DIRECTION;
2670
2671 /*
2672 * since async operations can be triggered by interrupt
2673 * code, we must insure that we do not get multiple
2674 * async operations going at one time and
2675 * protect this test and set operation from interrupts.
2676 */
2677 mask = cy_as_hal_disable_interrupts();
2678 if (cy_as_device_is_usb_async_pending(dev_p, ep)) {
2679 cy_as_hal_enable_interrupts(mask);
2680 return CY_AS_ERROR_ASYNC_PENDING;
2681 }
2682
2683 cy_as_device_set_usb_async_pending(dev_p, ep);
2684
2685 if (ep == 0)
2686 cy_as_device_set_ack_delayed(dev_p);
2687
2688 cy_as_hal_enable_interrupts(mask);
2689
2690 cy_as_hal_assert(dev_p->usb_cb[ep] == 0);
2691 dev_p->usb_cb[ep] = cb;
2692 dev_p->usb_spacket[ep] = spacket;
2693
2694 /* Write on Turbo endpoint */
2695 if (ep == CY_AS_MTP_WRITE_ENDPOINT) {
2696 cy_as_ll_request_response *req_p, *reply_p;
2697
2698 req_p = cy_as_ll_create_request(dev_p,
2699 CY_RQT_TURBO_SEND_RESP_DATA_TO_HOST,
2700 CY_RQT_TUR_RQT_CONTEXT, 3);
2701
2702 if (req_p == 0)
2703 return CY_AS_ERROR_OUT_OF_MEMORY;
2704
2705 cy_as_ll_request_response__set_word(req_p, 0,
2706 0x0006); /* EP number to use. */
2707 cy_as_ll_request_response__set_word(req_p, 1,
2708 (uint16_t)((dsize >> 16) & 0xFFFF));
2709 cy_as_ll_request_response__set_word(req_p, 2,
2710 (uint16_t)(dsize & 0xFFFF));
2711
2712 /* Reserve space for the reply, the reply data
2713 * will not exceed one word */
2714 reply_p = cy_as_ll_create_response(dev_p, 1);
2715 if (reply_p == 0) {
2716 cy_as_ll_destroy_request(dev_p, req_p);
2717 return CY_AS_ERROR_OUT_OF_MEMORY;
2718 }
2719
2720 if (dsize) {
2721 ret = cy_as_dma_queue_request(dev_p, ep, data,
2722 dsize, cy_false, cy_false,
2723 async_write_request_callback);
2724 if (ret != CY_AS_ERROR_SUCCESS)
2725 return ret;
2726 }
2727
2728 ret = cy_as_ll_send_request(dev_p, req_p, reply_p,
2729 cy_false, mtp_write_callback);
2730 if (ret != CY_AS_ERROR_SUCCESS) {
2731 if (dsize)
2732 cy_as_dma_cancel(dev_p, ep, ret);
2733 return ret;
2734 }
2735
2736 /* Firmware will handle a zero byte transfer
2737 * without any DMA transfers. */
2738 if (!dsize)
2739 return CY_AS_ERROR_SUCCESS;
2740 } else {
2741 ret = cy_as_dma_queue_request(dev_p, ep, data, dsize,
2742 cy_false, cy_false, async_write_request_callback);
2743 if (ret != CY_AS_ERROR_SUCCESS)
2744 return ret;
2745 }
2746
2747 /* Kick start the queue if it is not running */
2748 if (ep != CY_AS_MTP_WRITE_ENDPOINT)
2749 cy_as_dma_kick_start(dev_p, ep);
2750
2751 return CY_AS_ERROR_SUCCESS;
2752 }
2753 EXPORT_SYMBOL(cy_as_usb_write_data_async);
2754
2755 static void
2756 my_usb_cancel_async_callback(
2757 cy_as_device *dev_p,
2758 uint8_t context,
2759 cy_as_ll_request_response *rqt,
2760 cy_as_ll_request_response *resp,
2761 cy_as_return_status_t ret)
2762 {
2763 uint8_t ep;
2764 (void)context;
2765
2766 ep = (uint8_t)cy_as_ll_request_response__get_word(rqt, 0);
2767 if (ret == CY_AS_ERROR_SUCCESS) {
2768 if (cy_as_ll_request_response__get_code(resp) !=
2769 CY_RESP_SUCCESS_FAILURE)
2770 ret = CY_AS_ERROR_INVALID_RESPONSE;
2771 else
2772 ret = cy_as_ll_request_response__get_word(resp, 0);
2773 }
2774
2775 cy_as_ll_destroy_request(dev_p, rqt);
2776 cy_as_ll_destroy_response(dev_p, resp);
2777
2778 if (ret == CY_AS_ERROR_SUCCESS) {
2779 cy_as_dma_cancel(dev_p, ep, CY_AS_ERROR_CANCELED);
2780 dev_p->usb_cb[ep] = 0;
2781 cy_as_device_clear_usb_async_pending(dev_p, ep);
2782 }
2783 }
2784
2785 cy_as_return_status_t
2786 cy_as_usb_cancel_async(cy_as_device_handle handle,
2787 cy_as_end_point_number_t ep)
2788 {
2789 cy_as_return_status_t ret;
2790 cy_as_ll_request_response *req_p, *reply_p;
2791
2792 cy_as_device *dev_p = (cy_as_device *)handle;
2793 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
2794 return CY_AS_ERROR_INVALID_HANDLE;
2795
2796 ep &= 0x7F; /* Remove the direction bit. */
2797 if (!cy_as_device_is_usb_async_pending(dev_p, ep))
2798 return CY_AS_ERROR_ASYNC_NOT_PENDING;
2799
2800 ret = is_usb_active(dev_p);
2801 if (ret != CY_AS_ERROR_SUCCESS)
2802 return ret;
2803
2804 if (cy_as_device_is_in_suspend_mode(dev_p))
2805 return CY_AS_ERROR_IN_SUSPEND;
2806
2807 if ((ep == CY_AS_MTP_WRITE_ENDPOINT) ||
2808 (ep == CY_AS_MTP_READ_ENDPOINT)) {
2809 /* Need firmware support for the cancel operation. */
2810 req_p = cy_as_ll_create_request(dev_p,
2811 CY_RQT_CANCEL_ASYNC_TRANSFER,
2812 CY_RQT_TUR_RQT_CONTEXT, 1);
2813
2814 if (req_p == 0)
2815 return CY_AS_ERROR_OUT_OF_MEMORY;
2816
2817 reply_p = cy_as_ll_create_response(dev_p, 1);
2818 if (reply_p == 0) {
2819 cy_as_ll_destroy_request(dev_p, req_p);
2820 return CY_AS_ERROR_OUT_OF_MEMORY;
2821 }
2822
2823 cy_as_ll_request_response__set_word(req_p, 0,
2824 (uint16_t)ep);
2825
2826 ret = cy_as_ll_send_request(dev_p, req_p, reply_p,
2827 cy_false, my_usb_cancel_async_callback);
2828
2829 if (ret != CY_AS_ERROR_SUCCESS) {
2830 cy_as_ll_destroy_request(dev_p, req_p);
2831 cy_as_ll_destroy_response(dev_p, reply_p);
2832 return ret;
2833 }
2834 } else {
2835 ret = cy_as_dma_cancel(dev_p, ep, CY_AS_ERROR_CANCELED);
2836 if (ret != CY_AS_ERROR_SUCCESS)
2837 return ret;
2838
2839 dev_p->usb_cb[ep] = 0;
2840 cy_as_device_clear_usb_async_pending(dev_p, ep);
2841 }
2842
2843 return CY_AS_ERROR_SUCCESS;
2844 }
2845 EXPORT_SYMBOL(cy_as_usb_cancel_async);
2846
2847 static void
2848 cy_as_usb_ack_callback(
2849 cy_as_device *dev_p,
2850 uint8_t context,
2851 cy_as_ll_request_response *rqt,
2852 cy_as_ll_request_response *resp,
2853 cy_as_return_status_t ret)
2854 {
2855 cy_as_func_c_b_node *node = (cy_as_func_c_b_node *)
2856 dev_p->func_cbs_usb->head_p;
2857
2858 (void)context;
2859
2860 if (ret == CY_AS_ERROR_SUCCESS) {
2861 if (cy_as_ll_request_response__get_code(resp) !=
2862 CY_RESP_SUCCESS_FAILURE)
2863 ret = CY_AS_ERROR_INVALID_RESPONSE;
2864 else
2865 ret = cy_as_ll_request_response__get_word(resp, 0);
2866 }
2867
2868 node->cb_p((cy_as_device_handle)dev_p, ret,
2869 node->client_data, node->data_type, node->data);
2870 cy_as_remove_c_b_node(dev_p->func_cbs_usb);
2871
2872 cy_as_ll_destroy_request(dev_p, rqt);
2873 cy_as_ll_destroy_response(dev_p, resp);
2874 cy_as_device_clear_ack_delayed(dev_p);
2875 }
2876
2877 static cy_as_return_status_t
2878 cy_as_usb_ack_setup_packet(cy_as_device_handle handle,
2879 cy_as_function_callback cb,
2880 uint32_t client)
2881 {
2882 cy_as_return_status_t ret;
2883 cy_as_ll_request_response *req_p;
2884 cy_as_ll_request_response *reply_p;
2885 cy_as_func_c_b_node *cbnode;
2886
2887 cy_as_device *dev_p = (cy_as_device *)handle;
2888 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
2889 return CY_AS_ERROR_INVALID_HANDLE;
2890
2891 ret = is_usb_active(dev_p);
2892 if (ret != CY_AS_ERROR_SUCCESS)
2893 return ret;
2894
2895 if (cy_as_device_is_in_callback(dev_p) && cb == 0)
2896 return CY_AS_ERROR_INVALID_IN_CALLBACK;
2897
2898 cy_as_hal_assert(cb != 0);
2899
2900 cbnode = cy_as_create_func_c_b_node(cb, client);
2901 if (cbnode == 0)
2902 return CY_AS_ERROR_OUT_OF_MEMORY;
2903
2904 req_p = cy_as_ll_create_request(dev_p, 0,
2905 CY_RQT_USB_RQT_CONTEXT, 2);
2906 if (req_p == 0)
2907 return CY_AS_ERROR_OUT_OF_MEMORY;
2908
2909 reply_p = cy_as_ll_create_response(dev_p, 1);
2910 if (reply_p == 0) {
2911 cy_as_ll_destroy_request(dev_p, req_p);
2912 return CY_AS_ERROR_OUT_OF_MEMORY;
2913 }
2914
2915 cy_as_ll_init_request(req_p, CY_RQT_ACK_SETUP_PACKET,
2916 CY_RQT_USB_RQT_CONTEXT, 1);
2917 cy_as_ll_init_response(reply_p, 1);
2918
2919 req_p->flags |= CY_AS_REQUEST_RESPONSE_EX;
2920
2921 cy_as_insert_c_b_node(dev_p->func_cbs_usb, cbnode);
2922
2923 ret = cy_as_ll_send_request(dev_p, req_p, reply_p,
2924 cy_false, cy_as_usb_ack_callback);
2925
2926 return ret;
2927 }
2928
2929 /*
2930 * Flush all data in logical EP that is being NAK-ed or
2931 * Stall-ed, so that this does not continue to block data
2932 * on other LEPs that use the same physical EP.
2933 */
2934 static void
2935 cy_as_usb_flush_logical_e_p(
2936 cy_as_device *dev_p,
2937 uint16_t ep)
2938 {
2939 uint16_t addr, val, count;
2940
2941 addr = CY_AS_MEM_P0_EP2_DMA_REG + ep - 2;
2942 val = cy_as_hal_read_register(dev_p->tag, addr);
2943
2944 while (val) {
2945 count = ((val & 0xFFF) + 1) / 2;
2946 while (count--)
2947 val = cy_as_hal_read_register(dev_p->tag, ep);
2948
2949 cy_as_hal_write_register(dev_p->tag, addr, 0);
2950 val = cy_as_hal_read_register(dev_p->tag, addr);
2951 }
2952 }
2953
2954 static cy_as_return_status_t
2955 cy_as_usb_nak_stall_request(cy_as_device_handle handle,
2956 cy_as_end_point_number_t ep,
2957 uint16_t request,
2958 cy_bool state,
2959 cy_as_usb_function_callback cb,
2960 cy_as_function_callback fcb,
2961 uint32_t client)
2962 {
2963 cy_as_return_status_t ret;
2964 cy_as_ll_request_response *req_p , *reply_p;
2965 uint16_t data;
2966
2967 cy_as_device *dev_p = (cy_as_device *)handle;
2968 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
2969 return CY_AS_ERROR_INVALID_HANDLE;
2970
2971 if (cb)
2972 cy_as_hal_assert(fcb == 0);
2973 if (fcb)
2974 cy_as_hal_assert(cb == 0);
2975
2976 ret = is_usb_active(dev_p);
2977 if (ret != CY_AS_ERROR_SUCCESS)
2978 return ret;
2979
2980 if (cy_as_device_is_in_callback(dev_p) && cb == 0 && fcb == 0)
2981 return CY_AS_ERROR_INVALID_IN_CALLBACK;
2982
2983 req_p = cy_as_ll_create_request(dev_p,
2984 request, CY_RQT_USB_RQT_CONTEXT, 2);
2985 if (req_p == 0)
2986 return CY_AS_ERROR_OUT_OF_MEMORY;
2987
2988 /* A single status word response type */
2989 reply_p = cy_as_ll_create_response(dev_p, 1);
2990 if (reply_p == 0) {
2991 cy_as_ll_destroy_request(dev_p, req_p);
2992 return CY_AS_ERROR_OUT_OF_MEMORY;
2993 }
2994
2995 /* Set the endpoint */
2996 data = (uint8_t)ep;
2997 cy_as_ll_request_response__set_word(req_p, 0, data);
2998
2999 /* Set stall state to stalled */
3000 cy_as_ll_request_response__set_word(req_p, 1, (uint8_t)state);
3001
3002 if (cb || fcb) {
3003 void *cbnode;
3004 cy_as_c_b_queue *queue;
3005 if (cb) {
3006 cbnode = cy_as_create_usb_func_c_b_node(cb, client);
3007 queue = dev_p->usb_func_cbs;
3008 } else {
3009 cbnode = cy_as_create_func_c_b_node(fcb, client);
3010 queue = dev_p->func_cbs_usb;
3011 req_p->flags |= CY_AS_REQUEST_RESPONSE_EX;
3012 }
3013
3014 if (cbnode == 0) {
3015 ret = CY_AS_ERROR_OUT_OF_MEMORY;
3016 goto destroy;
3017 } else
3018 cy_as_insert_c_b_node(queue, cbnode);
3019
3020
3021 if (cy_as_device_is_setup_packet(dev_p)) {
3022 /* No Ack is needed on a stall request on EP0 */
3023 if ((state == cy_true) && (ep == 0)) {
3024 cy_as_device_set_ep0_stalled(dev_p);
3025 } else {
3026 cy_as_device_set_ack_delayed(dev_p);
3027 req_p->flags |=
3028 CY_AS_REQUEST_RESPONSE_DELAY_ACK;
3029 }
3030 }
3031
3032 ret = cy_as_ll_send_request(dev_p, req_p,
3033 reply_p, cy_false, cy_as_usb_func_callback);
3034 if (ret != CY_AS_ERROR_SUCCESS) {
3035 if (req_p->flags & CY_AS_REQUEST_RESPONSE_DELAY_ACK)
3036 cy_as_device_rem_ack_delayed(dev_p);
3037 cy_as_remove_c_b_tail_node(queue);
3038
3039 goto destroy;
3040 }
3041 } else {
3042 ret = cy_as_ll_send_request_wait_reply(dev_p,
3043 req_p, reply_p);
3044 if (ret != CY_AS_ERROR_SUCCESS)
3045 goto destroy;
3046
3047 if (cy_as_ll_request_response__get_code(reply_p) !=
3048 CY_RESP_SUCCESS_FAILURE) {
3049 ret = CY_AS_ERROR_INVALID_RESPONSE;
3050 goto destroy;
3051 }
3052
3053 ret = cy_as_ll_request_response__get_word(reply_p, 0);
3054
3055 if ((ret == CY_AS_ERROR_SUCCESS) &&
3056 (request == CY_RQT_STALL_ENDPOINT)) {
3057 if ((ep > 1) && (state != 0) &&
3058 (dev_p->usb_config[ep].dir == cy_as_usb_out))
3059 cy_as_usb_flush_logical_e_p(dev_p, ep);
3060 }
3061
3062 destroy:
3063 cy_as_ll_destroy_request(dev_p, req_p);
3064 cy_as_ll_destroy_response(dev_p, reply_p);
3065 }
3066
3067 return ret;
3068 }
3069
3070 static cy_as_return_status_t
3071 my_handle_response_get_stall(cy_as_device *dev_p,
3072 cy_as_ll_request_response *req_p,
3073 cy_as_ll_request_response *reply_p,
3074 cy_bool *state_p)
3075 {
3076 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
3077 uint8_t code = cy_as_ll_request_response__get_code(reply_p);
3078
3079 if (code == CY_RESP_SUCCESS_FAILURE) {
3080 ret = cy_as_ll_request_response__get_word(reply_p, 0);
3081 goto destroy;
3082 } else if (code != CY_RESP_ENDPOINT_STALL) {
3083 ret = CY_AS_ERROR_INVALID_RESPONSE;
3084 goto destroy;
3085 }
3086
3087 *state_p = (cy_bool)cy_as_ll_request_response__get_word(reply_p, 0);
3088 ret = CY_AS_ERROR_SUCCESS;
3089
3090
3091 destroy:
3092 cy_as_ll_destroy_request(dev_p, req_p);
3093 cy_as_ll_destroy_response(dev_p, reply_p);
3094
3095 return ret;
3096 }
3097
3098 static cy_as_return_status_t
3099 my_handle_response_get_nak(cy_as_device *dev_p,
3100 cy_as_ll_request_response *req_p,
3101 cy_as_ll_request_response *reply_p,
3102 cy_bool *state_p)
3103 {
3104 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
3105 uint8_t code = cy_as_ll_request_response__get_code(reply_p);
3106
3107 if (code == CY_RESP_SUCCESS_FAILURE) {
3108 ret = cy_as_ll_request_response__get_word(reply_p, 0);
3109 goto destroy;
3110 } else if (code != CY_RESP_ENDPOINT_NAK) {
3111 ret = CY_AS_ERROR_INVALID_RESPONSE;
3112 goto destroy;
3113 }
3114
3115 *state_p = (cy_bool)cy_as_ll_request_response__get_word(reply_p, 0);
3116 ret = CY_AS_ERROR_SUCCESS;
3117
3118
3119 destroy:
3120 cy_as_ll_destroy_request(dev_p, req_p);
3121 cy_as_ll_destroy_response(dev_p, reply_p);
3122
3123 return ret;
3124 }
3125
3126 static cy_as_return_status_t
3127 cy_as_usb_get_nak_stall(cy_as_device_handle handle,
3128 cy_as_end_point_number_t ep,
3129 uint16_t request,
3130 uint16_t response,
3131 cy_bool *state_p,
3132 cy_as_function_callback cb,
3133 uint32_t client)
3134 {
3135 cy_as_return_status_t ret;
3136 cy_as_ll_request_response *req_p , *reply_p;
3137 uint16_t data;
3138
3139 cy_as_device *dev_p = (cy_as_device *)handle;
3140
3141 (void)response;
3142
3143 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
3144 return CY_AS_ERROR_INVALID_HANDLE;
3145
3146 ret = is_usb_active(dev_p);
3147 if (ret != CY_AS_ERROR_SUCCESS)
3148 return ret;
3149
3150 if (cy_as_device_is_in_callback(dev_p) && !cb)
3151 return CY_AS_ERROR_INVALID_IN_CALLBACK;
3152
3153 req_p = cy_as_ll_create_request(dev_p, request,
3154 CY_RQT_USB_RQT_CONTEXT, 1);
3155 if (req_p == 0)
3156 return CY_AS_ERROR_OUT_OF_MEMORY;
3157
3158 /* Set the endpoint */
3159 data = (uint8_t)ep;
3160 cy_as_ll_request_response__set_word(req_p, 0, (uint16_t)ep);
3161
3162 /* A single status word response type */
3163 reply_p = cy_as_ll_create_response(dev_p, 1);
3164 if (reply_p == 0) {
3165 cy_as_ll_destroy_request(dev_p, req_p);
3166 return CY_AS_ERROR_OUT_OF_MEMORY;
3167 }
3168
3169 if (cb == 0) {
3170 ret = cy_as_ll_send_request_wait_reply(dev_p,
3171 req_p, reply_p);
3172 if (ret != CY_AS_ERROR_SUCCESS)
3173 goto destroy;
3174
3175 if (request == CY_RQT_GET_STALL)
3176 return my_handle_response_get_stall(dev_p,
3177 req_p, reply_p, state_p);
3178 else
3179 return my_handle_response_get_nak(dev_p,
3180 req_p, reply_p, state_p);
3181
3182 } else {
3183 cy_as_funct_c_b_type type;
3184
3185 if (request == CY_RQT_GET_STALL)
3186 type = CY_FUNCT_CB_USB_GETSTALL;
3187 else
3188 type = CY_FUNCT_CB_USB_GETNAK;
3189
3190 ret = cy_as_misc_send_request(dev_p, cb, client, type,
3191 state_p, dev_p->func_cbs_usb, CY_AS_REQUEST_RESPONSE_EX,
3192 req_p, reply_p, cy_as_usb_func_callback);
3193
3194 if (ret != CY_AS_ERROR_SUCCESS)
3195 goto destroy;
3196
3197 return ret;
3198 }
3199
3200 destroy:
3201 cy_as_ll_destroy_request(dev_p, req_p);
3202 cy_as_ll_destroy_response(dev_p, reply_p);
3203
3204 return ret;
3205 }
3206
3207 cy_as_return_status_t
3208 cy_as_usb_set_nak(cy_as_device_handle handle,
3209 cy_as_end_point_number_t ep,
3210 cy_as_function_callback cb,
3211 uint32_t client)
3212 {
3213 cy_as_device *dev_p = (cy_as_device *)handle;
3214 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
3215 return CY_AS_ERROR_INVALID_HANDLE;
3216
3217 /*
3218 * we send the firmware the EP# with the appropriate direction
3219 * bit, regardless of what the user gave us.
3220 */
3221 ep &= 0x0f;
3222 if (dev_p->usb_config[ep].dir == cy_as_usb_in)
3223 ep |= 0x80;
3224
3225 if (dev_p->mtp_count > 0)
3226 return CY_AS_ERROR_NOT_VALID_IN_MTP;
3227
3228 return cy_as_usb_nak_stall_request(handle, ep,
3229 CY_RQT_ENDPOINT_SET_NAK, cy_true, 0, cb, client);
3230 }
3231 EXPORT_SYMBOL(cy_as_usb_set_nak);
3232
3233 cy_as_return_status_t
3234 cy_as_usb_clear_nak(cy_as_device_handle handle,
3235 cy_as_end_point_number_t ep,
3236 cy_as_function_callback cb,
3237 uint32_t client)
3238 {
3239 cy_as_device *dev_p = (cy_as_device *)handle;
3240 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
3241 return CY_AS_ERROR_INVALID_HANDLE;
3242
3243 /*
3244 * we send the firmware the EP# with the appropriate
3245 * direction bit, regardless of what the user gave us.
3246 */
3247 ep &= 0x0f;
3248 if (dev_p->usb_config[ep].dir == cy_as_usb_in)
3249 ep |= 0x80;
3250
3251 if (dev_p->mtp_count > 0)
3252 return CY_AS_ERROR_NOT_VALID_IN_MTP;
3253
3254 return cy_as_usb_nak_stall_request(handle, ep,
3255 CY_RQT_ENDPOINT_SET_NAK, cy_false, 0, cb, client);
3256 }
3257 EXPORT_SYMBOL(cy_as_usb_clear_nak);
3258
3259 cy_as_return_status_t
3260 cy_as_usb_get_nak(cy_as_device_handle handle,
3261 cy_as_end_point_number_t ep,
3262 cy_bool *nak_p,
3263 cy_as_function_callback cb,
3264 uint32_t client)
3265 {
3266 cy_as_device *dev_p = (cy_as_device *)handle;
3267 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
3268 return CY_AS_ERROR_INVALID_HANDLE;
3269
3270 /*
3271 * we send the firmware the EP# with the appropriate
3272 * direction bit, regardless of what the user gave us.
3273 */
3274 ep &= 0x0f;
3275 if (dev_p->usb_config[ep].dir == cy_as_usb_in)
3276 ep |= 0x80;
3277
3278 if (dev_p->mtp_count > 0)
3279 return CY_AS_ERROR_NOT_VALID_IN_MTP;
3280
3281 return cy_as_usb_get_nak_stall(handle, ep,
3282 CY_RQT_GET_ENDPOINT_NAK, CY_RESP_ENDPOINT_NAK,
3283 nak_p, cb, client);
3284 }
3285 EXPORT_SYMBOL(cy_as_usb_get_nak);
3286
3287 cy_as_return_status_t
3288 cy_as_usb_set_stall(cy_as_device_handle handle,
3289 cy_as_end_point_number_t ep,
3290 cy_as_function_callback cb,
3291 uint32_t client)
3292 {
3293 cy_as_device *dev_p = (cy_as_device *)handle;
3294 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
3295 return CY_AS_ERROR_INVALID_HANDLE;
3296
3297 /*
3298 * we send the firmware the EP# with the appropriate
3299 * direction bit, regardless of what the user gave us.
3300 */
3301 ep &= 0x0f;
3302 if (dev_p->usb_config[ep].dir == cy_as_usb_in)
3303 ep |= 0x80;
3304
3305 if (dev_p->mtp_turbo_active)
3306 return CY_AS_ERROR_NOT_VALID_DURING_MTP;
3307
3308 return cy_as_usb_nak_stall_request(handle, ep,
3309 CY_RQT_STALL_ENDPOINT, cy_true, 0, cb, client);
3310 }
3311 EXPORT_SYMBOL(cy_as_usb_set_stall);
3312
3313 cy_as_return_status_t
3314 cy_as_usb_clear_stall(cy_as_device_handle handle,
3315 cy_as_end_point_number_t ep,
3316 cy_as_function_callback cb,
3317 uint32_t client)
3318 {
3319 cy_as_device *dev_p = (cy_as_device *)handle;
3320 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
3321 return CY_AS_ERROR_INVALID_HANDLE;
3322
3323 /*
3324 * we send the firmware the EP# with the appropriate
3325 * direction bit, regardless of what the user gave us.
3326 */
3327 ep &= 0x0f;
3328 if (dev_p->usb_config[ep].dir == cy_as_usb_in)
3329 ep |= 0x80;
3330
3331 if (dev_p->mtp_turbo_active)
3332 return CY_AS_ERROR_NOT_VALID_DURING_MTP;
3333
3334 return cy_as_usb_nak_stall_request(handle, ep,
3335 CY_RQT_STALL_ENDPOINT, cy_false, 0, cb, client);
3336 }
3337 EXPORT_SYMBOL(cy_as_usb_clear_stall);
3338
3339 cy_as_return_status_t
3340 cy_as_usb_get_stall(cy_as_device_handle handle,
3341 cy_as_end_point_number_t ep,
3342 cy_bool *stall_p,
3343 cy_as_function_callback cb,
3344 uint32_t client)
3345 {
3346 cy_as_device *dev_p = (cy_as_device *)handle;
3347 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
3348 return CY_AS_ERROR_INVALID_HANDLE;
3349
3350 /*
3351 * we send the firmware the EP# with the appropriate
3352 * direction bit, regardless of what the user gave us.
3353 */
3354 ep &= 0x0f;
3355 if (dev_p->usb_config[ep].dir == cy_as_usb_in)
3356 ep |= 0x80;
3357
3358 if (dev_p->mtp_turbo_active)
3359 return CY_AS_ERROR_NOT_VALID_DURING_MTP;
3360
3361 return cy_as_usb_get_nak_stall(handle, ep,
3362 CY_RQT_GET_STALL, CY_RESP_ENDPOINT_STALL, stall_p, cb, client);
3363 }
3364 EXPORT_SYMBOL(cy_as_usb_get_stall);
3365
3366 cy_as_return_status_t
3367 cy_as_usb_signal_remote_wakeup(cy_as_device_handle handle,
3368 cy_as_function_callback cb,
3369 uint32_t client)
3370 {
3371 cy_as_return_status_t ret;
3372 cy_as_ll_request_response *req_p , *reply_p;
3373
3374 cy_as_device *dev_p = (cy_as_device *)handle;
3375 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
3376 return CY_AS_ERROR_INVALID_HANDLE;
3377
3378 ret = is_usb_active(dev_p);
3379 if (ret != CY_AS_ERROR_SUCCESS)
3380 return ret;
3381
3382 if (cy_as_device_is_in_callback(dev_p))
3383 return CY_AS_ERROR_INVALID_IN_CALLBACK;
3384
3385 if (dev_p->usb_last_event != cy_as_event_usb_suspend)
3386 return CY_AS_ERROR_NOT_IN_SUSPEND;
3387
3388 req_p = cy_as_ll_create_request(dev_p,
3389 CY_RQT_USB_REMOTE_WAKEUP, CY_RQT_USB_RQT_CONTEXT, 0);
3390 if (req_p == 0)
3391 return CY_AS_ERROR_OUT_OF_MEMORY;
3392
3393 /* A single status word response type */
3394 reply_p = cy_as_ll_create_response(dev_p, 1);
3395 if (reply_p == 0) {
3396 cy_as_ll_destroy_request(dev_p, req_p);
3397 return CY_AS_ERROR_OUT_OF_MEMORY;
3398 }
3399
3400 if (cb == 0) {
3401 ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
3402 if (ret != CY_AS_ERROR_SUCCESS)
3403 goto destroy;
3404
3405 if (cy_as_ll_request_response__get_code(reply_p) ==
3406 CY_RESP_SUCCESS_FAILURE)
3407 ret = cy_as_ll_request_response__get_word(reply_p, 0);
3408 else
3409 ret = CY_AS_ERROR_INVALID_RESPONSE;
3410 } else {
3411 ret = cy_as_misc_send_request(dev_p, cb, client,
3412 CY_FUNCT_CB_USB_SIGNALREMOTEWAKEUP, 0,
3413 dev_p->func_cbs_usb,
3414 CY_AS_REQUEST_RESPONSE_EX, req_p,
3415 reply_p, cy_as_usb_func_callback);
3416
3417 if (ret != CY_AS_ERROR_SUCCESS)
3418 goto destroy;
3419 return ret;
3420 }
3421
3422 destroy:
3423 cy_as_ll_destroy_request(dev_p, req_p);
3424 cy_as_ll_destroy_response(dev_p, reply_p);
3425
3426 return ret;
3427 }
3428 EXPORT_SYMBOL(cy_as_usb_signal_remote_wakeup);
3429
3430 cy_as_return_status_t
3431 cy_as_usb_set_m_s_report_threshold(cy_as_device_handle handle,
3432 uint32_t wr_sectors,
3433 uint32_t rd_sectors,
3434 cy_as_function_callback cb,
3435 uint32_t client)
3436 {
3437 cy_as_return_status_t ret;
3438 cy_as_ll_request_response *req_p , *reply_p;
3439
3440 cy_as_device *dev_p = (cy_as_device *)handle;
3441 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
3442 return CY_AS_ERROR_INVALID_HANDLE;
3443
3444 ret = is_usb_active(dev_p);
3445 if (ret != CY_AS_ERROR_SUCCESS)
3446 return ret;
3447
3448 if ((cb == 0) && (cy_as_device_is_in_callback(dev_p)))
3449 return CY_AS_ERROR_INVALID_IN_CALLBACK;
3450
3451 /* Check if the firmware version supports this feature. */
3452 if ((dev_p->media_supported[0]) && (dev_p->media_supported[0] ==
3453 (1 << cy_as_media_nand)))
3454 return CY_AS_ERROR_NOT_SUPPORTED;
3455
3456 req_p = cy_as_ll_create_request(dev_p, CY_RQT_USB_STORAGE_MONITOR,
3457 CY_RQT_USB_RQT_CONTEXT, 4);
3458 if (req_p == 0)
3459 return CY_AS_ERROR_OUT_OF_MEMORY;
3460
3461 /* A single status word response type */
3462 reply_p = cy_as_ll_create_response(dev_p, 1);
3463 if (reply_p == 0) {
3464 cy_as_ll_destroy_request(dev_p, req_p);
3465 return CY_AS_ERROR_OUT_OF_MEMORY;
3466 }
3467
3468 /* Set the read and write count parameters into
3469 * the request structure. */
3470 cy_as_ll_request_response__set_word(req_p, 0,
3471 (uint16_t)((wr_sectors >> 16) & 0xFFFF));
3472 cy_as_ll_request_response__set_word(req_p, 1,
3473 (uint16_t)(wr_sectors & 0xFFFF));
3474 cy_as_ll_request_response__set_word(req_p, 2,
3475 (uint16_t)((rd_sectors >> 16) & 0xFFFF));
3476 cy_as_ll_request_response__set_word(req_p, 3,
3477 (uint16_t)(rd_sectors & 0xFFFF));
3478
3479 if (cb == 0) {
3480 ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
3481 if (ret != CY_AS_ERROR_SUCCESS)
3482 goto destroy;
3483
3484 if (cy_as_ll_request_response__get_code(reply_p) ==
3485 CY_RESP_SUCCESS_FAILURE)
3486 ret = cy_as_ll_request_response__get_word(reply_p, 0);
3487 else
3488 ret = CY_AS_ERROR_INVALID_RESPONSE;
3489 } else {
3490 ret = cy_as_misc_send_request(dev_p, cb, client,
3491 CY_FUNCT_CB_USB_SET_MSREPORT_THRESHOLD, 0,
3492 dev_p->func_cbs_usb, CY_AS_REQUEST_RESPONSE_EX,
3493 req_p, reply_p, cy_as_usb_func_callback);
3494
3495 if (ret != CY_AS_ERROR_SUCCESS)
3496 goto destroy;
3497 return ret;
3498 }
3499
3500 destroy:
3501 cy_as_ll_destroy_request(dev_p, req_p);
3502 cy_as_ll_destroy_response(dev_p, reply_p);
3503
3504 return ret;
3505 }
3506 EXPORT_SYMBOL(cy_as_usb_set_m_s_report_threshold);
3507
3508 cy_as_return_status_t
3509 cy_as_usb_select_m_s_partitions(
3510 cy_as_device_handle handle,
3511 cy_as_bus_number_t bus,
3512 uint32_t device,
3513 cy_as_usb_m_s_type_t type,
3514 cy_as_function_callback cb,
3515 uint32_t client)
3516 {
3517 cy_as_return_status_t ret;
3518 cy_as_ll_request_response *req_p , *reply_p;
3519 uint16_t val;
3520
3521 cy_as_device *dev_p = (cy_as_device *)handle;
3522 if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
3523 return CY_AS_ERROR_INVALID_HANDLE;
3524
3525 ret = is_usb_active(dev_p);
3526 if (ret != CY_AS_ERROR_SUCCESS)
3527 return ret;
3528
3529 /* This API has to be made before SetEnumConfig is called. */
3530 if (dev_p->usb_config[0].enabled)
3531 return CY_AS_ERROR_INVALID_CALL_SEQUENCE;
3532
3533 if ((cb == 0) && (cy_as_device_is_in_callback(dev_p)))
3534 return CY_AS_ERROR_INVALID_IN_CALLBACK;
3535
3536 req_p = cy_as_ll_create_request(dev_p, CY_RQT_MS_PARTITION_SELECT,
3537 CY_RQT_USB_RQT_CONTEXT, 2);
3538 if (req_p == 0)
3539 return CY_AS_ERROR_OUT_OF_MEMORY;
3540
3541 /* A single status word response type */
3542 reply_p = cy_as_ll_create_response(dev_p, 1);
3543 if (reply_p == 0) {
3544 cy_as_ll_destroy_request(dev_p, req_p);
3545 return CY_AS_ERROR_OUT_OF_MEMORY;
3546 }
3547
3548 /* Set the read and write count parameters into
3549 * the request structure. */
3550 cy_as_ll_request_response__set_word(req_p, 0,
3551 (uint16_t)((bus << 8) | device));
3552
3553 val = 0;
3554 if ((type == cy_as_usb_m_s_unit0) || (type == cy_as_usb_m_s_both))
3555 val |= 1;
3556 if ((type == cy_as_usb_m_s_unit1) || (type == cy_as_usb_m_s_both))
3557 val |= (1 << 8);
3558
3559 cy_as_ll_request_response__set_word(req_p, 1, val);
3560
3561 if (cb == 0) {
3562 ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
3563 if (ret != CY_AS_ERROR_SUCCESS)
3564 goto destroy;
3565
3566 if (cy_as_ll_request_response__get_code(reply_p) ==
3567 CY_RESP_SUCCESS_FAILURE)
3568 ret = cy_as_ll_request_response__get_word(reply_p, 0);
3569 else
3570 ret = CY_AS_ERROR_INVALID_RESPONSE;
3571 } else {
3572 ret = cy_as_misc_send_request(dev_p, cb, client,
3573 CY_FUNCT_CB_NODATA, 0, dev_p->func_cbs_usb,
3574 CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
3575 cy_as_usb_func_callback);
3576
3577 if (ret != CY_AS_ERROR_SUCCESS)
3578 goto destroy;
3579 return ret;
3580 }
3581
3582 destroy:
3583 cy_as_ll_destroy_request(dev_p, req_p);
3584 cy_as_ll_destroy_response(dev_p, reply_p);
3585
3586 return ret;
3587 }
3588 EXPORT_SYMBOL(cy_as_usb_select_m_s_partitions);
3589
3590 static void
3591 cy_as_usb_func_callback(
3592 cy_as_device *dev_p,
3593 uint8_t context,
3594 cy_as_ll_request_response *rqt,
3595 cy_as_ll_request_response *resp,
3596 cy_as_return_status_t stat)
3597 {
3598 cy_as_usb_func_c_b_node* node = (cy_as_usb_func_c_b_node *)
3599 dev_p->usb_func_cbs->head_p;
3600 cy_as_func_c_b_node* fnode = (cy_as_func_c_b_node *)
3601 dev_p->func_cbs_usb->head_p;
3602 cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
3603
3604 cy_as_device_handle h = (cy_as_device_handle)dev_p;
3605 cy_bool delayed_ack = (rqt->flags & CY_AS_REQUEST_RESPONSE_DELAY_ACK)
3606 == CY_AS_REQUEST_RESPONSE_DELAY_ACK;
3607 cy_bool ex_request = (rqt->flags & CY_AS_REQUEST_RESPONSE_EX)
3608 == CY_AS_REQUEST_RESPONSE_EX;
3609 cy_bool ms_request = (rqt->flags & CY_AS_REQUEST_RESPONSE_MS)
3610 == CY_AS_REQUEST_RESPONSE_MS;
3611 uint8_t code;
3612 uint8_t ep, state;
3613
3614 if (!ex_request && !ms_request) {
3615 cy_as_hal_assert(dev_p->usb_func_cbs->count != 0);
3616 cy_as_hal_assert(dev_p->usb_func_cbs->type ==
3617 CYAS_USB_FUNC_CB);
3618 } else {
3619 cy_as_hal_assert(dev_p->func_cbs_usb->count != 0);
3620 cy_as_hal_assert(dev_p->func_cbs_usb->type == CYAS_FUNC_CB);
3621 }
3622
3623 (void)context;
3624
3625 /* The Handlers are responsible for Deleting the rqt and resp when
3626 * they are finished
3627 */
3628 code = cy_as_ll_request_response__get_code(rqt);
3629 switch (code) {
3630 case CY_RQT_START_USB:
3631 ret = my_handle_response_usb_start(dev_p, rqt, resp, stat);
3632 break;
3633 case CY_RQT_STOP_USB:
3634 ret = my_handle_response_usb_stop(dev_p, rqt, resp, stat);
3635 break;
3636 case CY_RQT_SET_CONNECT_STATE:
3637 if (!cy_as_ll_request_response__get_word(rqt, 0))
3638 ret = my_handle_response_disconnect(
3639 dev_p, rqt, resp, stat);
3640 else
3641 ret = my_handle_response_connect(
3642 dev_p, rqt, resp, stat);
3643 break;
3644 case CY_RQT_GET_CONNECT_STATE:
3645 break;
3646 case CY_RQT_SET_USB_CONFIG:
3647 ret = my_handle_response_set_enum_config(dev_p, rqt, resp);
3648 break;
3649 case CY_RQT_GET_USB_CONFIG:
3650 cy_as_hal_assert(fnode->data != 0);
3651 ret = my_handle_response_get_enum_config(dev_p,
3652 rqt, resp, fnode->data);
3653 break;
3654 case CY_RQT_STALL_ENDPOINT:
3655 ep = (uint8_t)cy_as_ll_request_response__get_word(rqt, 0);
3656 state = (uint8_t)cy_as_ll_request_response__get_word(rqt, 1);
3657 ret = my_handle_response_no_data(dev_p, rqt, resp);
3658 if ((ret == CY_AS_ERROR_SUCCESS) && (ep > 1) && (state != 0)
3659 && (dev_p->usb_config[ep].dir == cy_as_usb_out))
3660 cy_as_usb_flush_logical_e_p(dev_p, ep);
3661 break;
3662 case CY_RQT_GET_STALL:
3663 cy_as_hal_assert(fnode->data != 0);
3664 ret = my_handle_response_get_stall(dev_p,
3665 rqt, resp, (cy_bool *)fnode->data);
3666 break;
3667 case CY_RQT_SET_DESCRIPTOR:
3668 ret = my_handle_response_no_data(dev_p, rqt, resp);
3669 break;
3670 case CY_RQT_GET_DESCRIPTOR:
3671 cy_as_hal_assert(fnode->data != 0);
3672 ret = my_handle_response_get_descriptor(dev_p,
3673 rqt, resp, (cy_as_get_descriptor_data *)fnode->data);
3674 break;
3675 case CY_RQT_SET_USB_CONFIG_REGISTERS:
3676 ret = my_handle_response_no_data(dev_p, rqt, resp);
3677 if (ret == CY_AS_ERROR_SUCCESS)
3678 ret = cy_as_usb_setup_dma(dev_p);
3679 break;
3680 case CY_RQT_ENDPOINT_SET_NAK:
3681 ret = my_handle_response_no_data(dev_p, rqt, resp);
3682 break;
3683 case CY_RQT_GET_ENDPOINT_NAK:
3684 cy_as_hal_assert(fnode->data != 0);
3685 ret = my_handle_response_get_nak(dev_p,
3686 rqt, resp, (cy_bool *)fnode->data);
3687 break;
3688 case CY_RQT_ACK_SETUP_PACKET:
3689 break;
3690 case CY_RQT_USB_REMOTE_WAKEUP:
3691 ret = my_handle_response_no_data(dev_p, rqt, resp);
3692 break;
3693 case CY_RQT_CLEAR_DESCRIPTORS:
3694 ret = my_handle_response_no_data(dev_p, rqt, resp);
3695 break;
3696 case CY_RQT_USB_STORAGE_MONITOR:
3697 ret = my_handle_response_no_data(dev_p, rqt, resp);
3698 break;
3699 case CY_RQT_MS_PARTITION_SELECT:
3700 ret = my_handle_response_no_data(dev_p, rqt, resp);
3701 break;
3702 default:
3703 ret = CY_AS_ERROR_INVALID_RESPONSE;
3704 cy_as_hal_assert(cy_false);
3705 break;
3706 }
3707
3708 /*
3709 * if the low level layer returns a direct error, use
3710 * the corresponding error code. if not, use the error
3711 * code based on the response from firmware.
3712 */
3713 if (stat == CY_AS_ERROR_SUCCESS)
3714 stat = ret;
3715
3716 if (ex_request || ms_request) {
3717 fnode->cb_p((cy_as_device_handle)dev_p, stat,
3718 fnode->client_data, fnode->data_type, fnode->data);
3719 cy_as_remove_c_b_node(dev_p->func_cbs_usb);
3720 } else {
3721 node->cb_p((cy_as_device_handle)dev_p, stat,
3722 node->client_data);
3723 cy_as_remove_c_b_node(dev_p->usb_func_cbs);
3724 }
3725
3726 if (delayed_ack) {
3727 cy_as_hal_assert(cy_as_device_is_ack_delayed(dev_p));
3728 cy_as_device_rem_ack_delayed(dev_p);
3729
3730 /*
3731 * send the ACK if required.
3732 */
3733 if (!cy_as_device_is_ack_delayed(dev_p))
3734 cy_as_usb_ack_setup_packet(h,
3735 usb_ack_callback, 0);
3736 }
3737 }
3738
3739
3740 /*[]*/
Linux kernel - Deliverables
This page took 0.178579 seconds and 5 git commands to generate.