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18#include <errno.h>
19#include <common.h>
20#include <malloc.h>
21#include <version.h>
22#include <linux/usb/ch9.h>
23#include <linux/usb/gadget.h>
24#include <linux/usb/composite.h>
25#include <linux/usb/cdc.h>
26#include <g_dnl.h>
27#include <dfu.h>
28
29#include "f_thor.h"
30
31static void thor_tx_data(unsigned char *data, int len);
32static void thor_set_dma(void *addr, int len);
33static int thor_rx_data(void);
34
35static struct f_thor *thor_func;
36static inline struct f_thor *func_to_thor(struct usb_function *f)
37{
38 return container_of(f, struct f_thor, usb_function);
39}
40
41DEFINE_CACHE_ALIGN_BUFFER(unsigned char, thor_tx_data_buf,
42 sizeof(struct rsp_box));
43DEFINE_CACHE_ALIGN_BUFFER(unsigned char, thor_rx_data_buf,
44 sizeof(struct rqt_box));
45
46
47
48
49DEFINE_CACHE_ALIGN_BUFFER(char, f_name, F_NAME_BUF_SIZE);
50static unsigned long long int thor_file_size;
51static int alt_setting_num;
52
53static void send_rsp(const struct rsp_box *rsp)
54{
55 memcpy(thor_tx_data_buf, rsp, sizeof(struct rsp_box));
56 thor_tx_data(thor_tx_data_buf, sizeof(struct rsp_box));
57
58 debug("-RSP: %d, %d\n", rsp->rsp, rsp->rsp_data);
59}
60
61static void send_data_rsp(s32 ack, s32 count)
62{
63 ALLOC_CACHE_ALIGN_BUFFER(struct data_rsp_box, rsp,
64 sizeof(struct data_rsp_box));
65
66 rsp->ack = ack;
67 rsp->count = count;
68
69 memcpy(thor_tx_data_buf, rsp, sizeof(struct data_rsp_box));
70 thor_tx_data(thor_tx_data_buf, sizeof(struct data_rsp_box));
71
72 debug("-DATA RSP: %d, %d\n", ack, count);
73}
74
75static int process_rqt_info(const struct rqt_box *rqt)
76{
77 ALLOC_CACHE_ALIGN_BUFFER(struct rsp_box, rsp, sizeof(struct rsp_box));
78 memset(rsp, 0, sizeof(struct rsp_box));
79
80 rsp->rsp = rqt->rqt;
81 rsp->rsp_data = rqt->rqt_data;
82
83 switch (rqt->rqt_data) {
84 case RQT_INFO_VER_PROTOCOL:
85 rsp->int_data[0] = VER_PROTOCOL_MAJOR;
86 rsp->int_data[1] = VER_PROTOCOL_MINOR;
87 break;
88 case RQT_INIT_VER_HW:
89 snprintf(rsp->str_data[0], sizeof(rsp->str_data[0]),
90 "%x", checkboard());
91 break;
92 case RQT_INIT_VER_BOOT:
93 sprintf(rsp->str_data[0], "%s", U_BOOT_VERSION);
94 break;
95 case RQT_INIT_VER_KERNEL:
96 sprintf(rsp->str_data[0], "%s", "k unknown");
97 break;
98 case RQT_INIT_VER_PLATFORM:
99 sprintf(rsp->str_data[0], "%s", "p unknown");
100 break;
101 case RQT_INIT_VER_CSC:
102 sprintf(rsp->str_data[0], "%s", "c unknown");
103 break;
104 default:
105 return -EINVAL;
106 }
107
108 send_rsp(rsp);
109 return true;
110}
111
112static int process_rqt_cmd(const struct rqt_box *rqt)
113{
114 ALLOC_CACHE_ALIGN_BUFFER(struct rsp_box, rsp, sizeof(struct rsp_box));
115 memset(rsp, 0, sizeof(struct rsp_box));
116
117 rsp->rsp = rqt->rqt;
118 rsp->rsp_data = rqt->rqt_data;
119
120 switch (rqt->rqt_data) {
121 case RQT_CMD_REBOOT:
122 debug("TARGET RESET\n");
123 send_rsp(rsp);
124 g_dnl_unregister();
125 dfu_free_entities();
126 run_command("reset", 0);
127 break;
128 case RQT_CMD_POWEROFF:
129 case RQT_CMD_EFSCLEAR:
130 send_rsp(rsp);
131 default:
132 printf("Command not supported -> cmd: %d\n", rqt->rqt_data);
133 return -EINVAL;
134 }
135
136 return true;
137}
138
139static long long int download_head(unsigned long long total,
140 unsigned int packet_size,
141 long long int *left,
142 int *cnt)
143{
144 long long int rcv_cnt = 0, left_to_rcv, ret_rcv;
145 struct dfu_entity *dfu_entity = dfu_get_entity(alt_setting_num);
146 void *transfer_buffer = dfu_get_buf(dfu_entity);
147 void *buf = transfer_buffer;
148 int usb_pkt_cnt = 0, ret;
149
150
151
152
153
154
155
156
157 while (total - rcv_cnt >= packet_size) {
158 thor_set_dma(buf, packet_size);
159 buf += packet_size;
160 ret_rcv = thor_rx_data();
161 if (ret_rcv < 0)
162 return ret_rcv;
163 rcv_cnt += ret_rcv;
164 debug("%d: RCV data count: %llu cnt: %d\n", usb_pkt_cnt,
165 rcv_cnt, *cnt);
166
167 if ((rcv_cnt % THOR_STORE_UNIT_SIZE) == 0) {
168 ret = dfu_write(dfu_get_entity(alt_setting_num),
169 transfer_buffer, THOR_STORE_UNIT_SIZE,
170 (*cnt)++);
171 if (ret) {
172 error("DFU write failed [%d] cnt: %d",
173 ret, *cnt);
174 return ret;
175 }
176 buf = transfer_buffer;
177 }
178 send_data_rsp(0, ++usb_pkt_cnt);
179 }
180
181
182 left_to_rcv = total - rcv_cnt;
183
184
185
186
187
188 *left = left_to_rcv + buf - transfer_buffer;
189 debug("%s: left: %llu left_to_rcv: %llu buf: 0x%p\n", __func__,
190 *left, left_to_rcv, buf);
191
192 if (left_to_rcv) {
193 thor_set_dma(buf, packet_size);
194 ret_rcv = thor_rx_data();
195 if (ret_rcv < 0)
196 return ret_rcv;
197 rcv_cnt += ret_rcv;
198 send_data_rsp(0, ++usb_pkt_cnt);
199 }
200
201 debug("%s: %llu total: %llu cnt: %d\n", __func__, rcv_cnt, total, *cnt);
202
203 return rcv_cnt;
204}
205
206static int download_tail(long long int left, int cnt)
207{
208 struct dfu_entity *dfu_entity;
209 void *transfer_buffer;
210 int ret;
211
212 debug("%s: left: %llu cnt: %d\n", __func__, left, cnt);
213
214 dfu_entity = dfu_get_entity(alt_setting_num);
215 if (!dfu_entity) {
216 error("Alt setting: %d entity not found!\n", alt_setting_num);
217 return -ENOENT;
218 }
219
220 transfer_buffer = dfu_get_buf(dfu_entity);
221 if (!transfer_buffer) {
222 error("Transfer buffer not allocated!");
223 return -ENXIO;
224 }
225
226 if (left) {
227 ret = dfu_write(dfu_entity, transfer_buffer, left, cnt++);
228 if (ret) {
229 error("DFU write failed [%d]: left: %llu", ret, left);
230 return ret;
231 }
232 }
233
234
235
236
237
238
239
240
241 ret = dfu_flush(dfu_entity, transfer_buffer, 0, cnt);
242 if (ret)
243 error("DFU flush failed!");
244
245 return ret;
246}
247
248static long long int process_rqt_download(const struct rqt_box *rqt)
249{
250 ALLOC_CACHE_ALIGN_BUFFER(struct rsp_box, rsp, sizeof(struct rsp_box));
251 static long long int left, ret_head;
252 int file_type, ret = 0;
253 static int cnt;
254
255 memset(rsp, 0, sizeof(struct rsp_box));
256 rsp->rsp = rqt->rqt;
257 rsp->rsp_data = rqt->rqt_data;
258
259 switch (rqt->rqt_data) {
260 case RQT_DL_INIT:
261 thor_file_size = rqt->int_data[0];
262 debug("INIT: total %d bytes\n", rqt->int_data[0]);
263 break;
264 case RQT_DL_FILE_INFO:
265 file_type = rqt->int_data[0];
266 if (file_type == FILE_TYPE_PIT) {
267 puts("PIT table file - not supported\n");
268 rsp->ack = -ENOTSUPP;
269 ret = rsp->ack;
270 break;
271 }
272
273 thor_file_size = rqt->int_data[1];
274 memcpy(f_name, rqt->str_data[0], F_NAME_BUF_SIZE);
275
276 debug("INFO: name(%s, %d), size(%llu), type(%d)\n",
277 f_name, 0, thor_file_size, file_type);
278
279 rsp->int_data[0] = THOR_PACKET_SIZE;
280
281 alt_setting_num = dfu_get_alt(f_name);
282 if (alt_setting_num < 0) {
283 error("Alt setting [%d] to write not found!",
284 alt_setting_num);
285 rsp->ack = -ENODEV;
286 ret = rsp->ack;
287 }
288 break;
289 case RQT_DL_FILE_START:
290 send_rsp(rsp);
291 ret_head = download_head(thor_file_size, THOR_PACKET_SIZE,
292 &left, &cnt);
293 if (ret_head < 0) {
294 left = 0;
295 cnt = 0;
296 }
297 return ret_head;
298 case RQT_DL_FILE_END:
299 debug("DL FILE_END\n");
300 rsp->ack = download_tail(left, cnt);
301 ret = rsp->ack;
302 left = 0;
303 cnt = 0;
304 break;
305 case RQT_DL_EXIT:
306 debug("DL EXIT\n");
307 break;
308 default:
309 error("Operation not supported: %d", rqt->rqt_data);
310 ret = -ENOTSUPP;
311 }
312
313 send_rsp(rsp);
314 return ret;
315}
316
317static int process_data(void)
318{
319 ALLOC_CACHE_ALIGN_BUFFER(struct rqt_box, rqt, sizeof(struct rqt_box));
320 int ret = -EINVAL;
321
322 memcpy(rqt, thor_rx_data_buf, sizeof(struct rqt_box));
323
324 debug("+RQT: %d, %d\n", rqt->rqt, rqt->rqt_data);
325
326 switch (rqt->rqt) {
327 case RQT_INFO:
328 ret = process_rqt_info(rqt);
329 break;
330 case RQT_CMD:
331 ret = process_rqt_cmd(rqt);
332 break;
333 case RQT_DL:
334 ret = (int) process_rqt_download(rqt);
335 break;
336 case RQT_UL:
337 puts("RQT: UPLOAD not supported!\n");
338 break;
339 default:
340 error("unknown request (%d)", rqt->rqt);
341 }
342
343 return ret;
344}
345
346
347
348
349
350static inline struct usb_endpoint_descriptor *
351ep_desc(struct usb_gadget *g, struct usb_endpoint_descriptor *hs,
352 struct usb_endpoint_descriptor *fs)
353{
354 if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
355 return hs;
356 return fs;
357}
358
359static struct usb_interface_descriptor thor_downloader_intf_data = {
360 .bLength = sizeof(thor_downloader_intf_data),
361 .bDescriptorType = USB_DT_INTERFACE,
362
363 .bNumEndpoints = 2,
364 .bInterfaceClass = USB_CLASS_CDC_DATA,
365};
366
367static struct usb_endpoint_descriptor fs_in_desc = {
368 .bLength = USB_DT_ENDPOINT_SIZE,
369 .bDescriptorType = USB_DT_ENDPOINT,
370
371 .bEndpointAddress = USB_DIR_IN,
372 .bmAttributes = USB_ENDPOINT_XFER_BULK,
373};
374
375static struct usb_endpoint_descriptor fs_out_desc = {
376 .bLength = USB_DT_ENDPOINT_SIZE,
377 .bDescriptorType = USB_DT_ENDPOINT,
378
379 .bEndpointAddress = USB_DIR_OUT,
380 .bmAttributes = USB_ENDPOINT_XFER_BULK,
381};
382
383
384static struct usb_interface_descriptor thor_downloader_intf_int = {
385 .bLength = sizeof(thor_downloader_intf_int),
386 .bDescriptorType = USB_DT_INTERFACE,
387
388 .bNumEndpoints = 1,
389 .bInterfaceClass = USB_CLASS_COMM,
390
391 .bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
392
393 .bInterfaceProtocol = USB_CDC_ACM_PROTO_AT_V25TER,
394};
395
396static struct usb_cdc_header_desc thor_downloader_cdc_header = {
397 .bLength = sizeof(thor_downloader_cdc_header),
398 .bDescriptorType = 0x24,
399 .bDescriptorSubType = 0x00,
400 .bcdCDC = 0x0110,
401};
402
403static struct usb_cdc_call_mgmt_descriptor thor_downloader_cdc_call = {
404 .bLength = sizeof(thor_downloader_cdc_call),
405 .bDescriptorType = 0x24,
406 .bDescriptorSubType = 0x01,
407 .bmCapabilities = 0x00,
408 .bDataInterface = 0x01,
409};
410
411static struct usb_cdc_acm_descriptor thor_downloader_cdc_abstract = {
412 .bLength = sizeof(thor_downloader_cdc_abstract),
413 .bDescriptorType = 0x24,
414 .bDescriptorSubType = 0x02,
415 .bmCapabilities = 0x00,
416};
417
418static struct usb_cdc_union_desc thor_downloader_cdc_union = {
419 .bLength = sizeof(thor_downloader_cdc_union),
420 .bDescriptorType = 0x24,
421 .bDescriptorSubType = USB_CDC_UNION_TYPE,
422};
423
424static struct usb_endpoint_descriptor fs_int_desc = {
425 .bLength = USB_DT_ENDPOINT_SIZE,
426 .bDescriptorType = USB_DT_ENDPOINT,
427
428 .bEndpointAddress = 3 | USB_DIR_IN,
429 .bmAttributes = USB_ENDPOINT_XFER_INT,
430 .wMaxPacketSize = __constant_cpu_to_le16(16),
431
432 .bInterval = 0x9,
433};
434
435static struct usb_interface_assoc_descriptor
436thor_iad_descriptor = {
437 .bLength = sizeof(thor_iad_descriptor),
438 .bDescriptorType = USB_DT_INTERFACE_ASSOCIATION,
439
440 .bFirstInterface = 0,
441 .bInterfaceCount = 2,
442 .bFunctionClass = USB_CLASS_COMM,
443 .bFunctionSubClass = USB_CDC_SUBCLASS_ACM,
444 .bFunctionProtocol = USB_CDC_PROTO_NONE,
445};
446
447static struct usb_endpoint_descriptor hs_in_desc = {
448 .bLength = USB_DT_ENDPOINT_SIZE,
449 .bDescriptorType = USB_DT_ENDPOINT,
450
451 .bmAttributes = USB_ENDPOINT_XFER_BULK,
452 .wMaxPacketSize = __constant_cpu_to_le16(512),
453};
454
455static struct usb_endpoint_descriptor hs_out_desc = {
456 .bLength = USB_DT_ENDPOINT_SIZE,
457 .bDescriptorType = USB_DT_ENDPOINT,
458
459 .bmAttributes = USB_ENDPOINT_XFER_BULK,
460 .wMaxPacketSize = __constant_cpu_to_le16(512),
461};
462
463static struct usb_endpoint_descriptor hs_int_desc = {
464 .bLength = USB_DT_ENDPOINT_SIZE,
465 .bDescriptorType = USB_DT_ENDPOINT,
466
467 .bmAttributes = USB_ENDPOINT_XFER_INT,
468 .wMaxPacketSize = __constant_cpu_to_le16(16),
469
470 .bInterval = 0x9,
471};
472
473
474
475
476
477
478
479
480static struct usb_cdc_attribute_vendor_descriptor thor_downloader_cdc_av = {
481 .bLength = sizeof(thor_downloader_cdc_av),
482 .bDescriptorType = 0x24,
483 .bDescriptorSubType = 0x80,
484 .DAUType = 0x0002,
485 .DAULength = 0x0001,
486 .DAUValue = 0x00,
487};
488
489static const struct usb_descriptor_header *hs_thor_downloader_function[] = {
490 (struct usb_descriptor_header *)&thor_iad_descriptor,
491
492 (struct usb_descriptor_header *)&thor_downloader_intf_int,
493 (struct usb_descriptor_header *)&thor_downloader_cdc_header,
494 (struct usb_descriptor_header *)&thor_downloader_cdc_call,
495 (struct usb_descriptor_header *)&thor_downloader_cdc_abstract,
496 (struct usb_descriptor_header *)&thor_downloader_cdc_union,
497 (struct usb_descriptor_header *)&hs_int_desc,
498
499 (struct usb_descriptor_header *)&thor_downloader_intf_data,
500 (struct usb_descriptor_header *)&thor_downloader_cdc_av,
501 (struct usb_descriptor_header *)&hs_in_desc,
502 (struct usb_descriptor_header *)&hs_out_desc,
503 NULL,
504};
505
506
507static struct usb_request *alloc_ep_req(struct usb_ep *ep, unsigned length)
508{
509 struct usb_request *req;
510
511 req = usb_ep_alloc_request(ep, 0);
512 if (!req)
513 return req;
514
515 req->length = length;
516 req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE, length);
517 if (!req->buf) {
518 usb_ep_free_request(ep, req);
519 req = NULL;
520 }
521
522 return req;
523}
524
525static int thor_rx_data(void)
526{
527 struct thor_dev *dev = thor_func->dev;
528 int data_to_rx, tmp, status;
529
530 data_to_rx = dev->out_req->length;
531 tmp = data_to_rx;
532 do {
533 dev->out_req->length = data_to_rx;
534 debug("dev->out_req->length:%d dev->rxdata:%d\n",
535 dev->out_req->length, dev->rxdata);
536
537 status = usb_ep_queue(dev->out_ep, dev->out_req, 0);
538 if (status) {
539 error("kill %s: resubmit %d bytes --> %d",
540 dev->out_ep->name, dev->out_req->length, status);
541 usb_ep_set_halt(dev->out_ep);
542 return -EAGAIN;
543 }
544
545 while (!dev->rxdata) {
546 usb_gadget_handle_interrupts();
547 if (ctrlc())
548 return -1;
549 }
550 dev->rxdata = 0;
551 data_to_rx -= dev->out_req->actual;
552 } while (data_to_rx);
553
554 return tmp;
555}
556
557static void thor_tx_data(unsigned char *data, int len)
558{
559 struct thor_dev *dev = thor_func->dev;
560 unsigned char *ptr = dev->in_req->buf;
561 int status;
562
563 memset(ptr, 0, len);
564 memcpy(ptr, data, len);
565
566 dev->in_req->length = len;
567
568 debug("%s: dev->in_req->length:%d to_cpy:%d\n", __func__,
569 dev->in_req->length, sizeof(data));
570
571 status = usb_ep_queue(dev->in_ep, dev->in_req, 0);
572 if (status) {
573 error("kill %s: resubmit %d bytes --> %d",
574 dev->in_ep->name, dev->in_req->length, status);
575 usb_ep_set_halt(dev->in_ep);
576 }
577
578
579 while (!dev->txdata)
580 usb_gadget_handle_interrupts();
581
582 dev->txdata = 0;
583}
584
585static void thor_rx_tx_complete(struct usb_ep *ep, struct usb_request *req)
586{
587 struct thor_dev *dev = thor_func->dev;
588 int status = req->status;
589
590 debug("%s: ep_ptr:%p, req_ptr:%p\n", __func__, ep, req);
591 switch (status) {
592 case 0:
593 if (ep == dev->out_ep)
594 dev->rxdata = 1;
595 else
596 dev->txdata = 1;
597
598 break;
599
600
601 case -ECONNABORTED:
602 case -ECONNRESET:
603 case -ESHUTDOWN:
604 case -EREMOTEIO:
605 case -EOVERFLOW:
606 error("ERROR:%d", status);
607 break;
608 }
609
610 debug("%s complete --> %d, %d/%d\n", ep->name,
611 status, req->actual, req->length);
612}
613
614static struct usb_request *thor_start_ep(struct usb_ep *ep)
615{
616 struct usb_request *req;
617
618 req = alloc_ep_req(ep, THOR_PACKET_SIZE);
619 debug("%s: ep:%p req:%p\n", __func__, ep, req);
620
621 if (!req)
622 return NULL;
623
624 memset(req->buf, 0, req->length);
625 req->complete = thor_rx_tx_complete;
626
627 return req;
628}
629
630static void thor_setup_complete(struct usb_ep *ep, struct usb_request *req)
631{
632 if (req->status || req->actual != req->length)
633 debug("setup complete --> %d, %d/%d\n",
634 req->status, req->actual, req->length);
635}
636
637static int
638thor_func_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
639{
640 struct thor_dev *dev = thor_func->dev;
641 struct usb_request *req = dev->req;
642 struct usb_gadget *gadget = dev->gadget;
643 int value = 0;
644
645 u16 len = le16_to_cpu(ctrl->wLength);
646
647 debug("Req_Type: 0x%x Req: 0x%x wValue: 0x%x wIndex: 0x%x wLen: 0x%x\n",
648 ctrl->bRequestType, ctrl->bRequest, ctrl->wValue, ctrl->wIndex,
649 ctrl->wLength);
650
651 switch (ctrl->bRequest) {
652 case USB_CDC_REQ_SET_CONTROL_LINE_STATE:
653 value = 0;
654 break;
655 case USB_CDC_REQ_SET_LINE_CODING:
656 value = len;
657
658 thor_func->dev->configuration_done = 1;
659 break;
660
661 default:
662 error("thor_setup: unknown request: %d", ctrl->bRequest);
663 }
664
665 if (value >= 0) {
666 req->length = value;
667 req->zero = value < len;
668 value = usb_ep_queue(gadget->ep0, req, 0);
669 if (value < 0) {
670 debug("%s: ep_queue: %d\n", __func__, value);
671 req->status = 0;
672 }
673 }
674
675 return value;
676}
677
678
679static void thor_set_dma(void *addr, int len)
680{
681 struct thor_dev *dev = thor_func->dev;
682
683 debug("in_req:%p, out_req:%p\n", dev->in_req, dev->out_req);
684 debug("addr:%p, len:%d\n", addr, len);
685
686 dev->out_req->buf = addr;
687 dev->out_req->length = len;
688}
689
690int thor_init(void)
691{
692 struct thor_dev *dev = thor_func->dev;
693
694
695 debug("THOR enumeration/configuration setting....\n");
696 while (!dev->configuration_done)
697 usb_gadget_handle_interrupts();
698
699 thor_set_dma(thor_rx_data_buf, strlen("THOR"));
700
701 if (thor_rx_data() < 0) {
702 printf("%s: Data not received!\n", __func__);
703 return -1;
704 }
705
706 if (!strncmp((char *)thor_rx_data_buf, "THOR", strlen("THOR"))) {
707 puts("Download request from the Host PC\n");
708 udelay(30 * 1000);
709
710 strcpy((char *)thor_tx_data_buf, "ROHT");
711 thor_tx_data(thor_tx_data_buf, strlen("ROHT"));
712 } else {
713 puts("Wrong reply information\n");
714 return -1;
715 }
716
717 return 0;
718}
719
720int thor_handle(void)
721{
722 int ret;
723
724
725 while (1) {
726 thor_set_dma(thor_rx_data_buf, sizeof(struct rqt_box));
727 ret = thor_rx_data();
728
729 if (ret > 0) {
730 ret = process_data();
731 if (ret < 0)
732 return ret;
733 } else {
734 printf("%s: No data received!\n", __func__);
735 break;
736 }
737 }
738
739 return 0;
740}
741
742static int thor_func_bind(struct usb_configuration *c, struct usb_function *f)
743{
744 struct usb_gadget *gadget = c->cdev->gadget;
745 struct f_thor *f_thor = func_to_thor(f);
746 struct thor_dev *dev;
747 struct usb_ep *ep;
748 int status;
749
750 thor_func = f_thor;
751 dev = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*dev));
752 if (!dev)
753 return -ENOMEM;
754
755 memset(dev, 0, sizeof(*dev));
756 dev->gadget = gadget;
757 f_thor->dev = dev;
758
759 debug("%s: usb_configuration: 0x%p usb_function: 0x%p\n",
760 __func__, c, f);
761 debug("f_thor: 0x%p thor: 0x%p\n", f_thor, dev);
762
763
764
765 dev->req = usb_ep_alloc_request(gadget->ep0, 0);
766 if (!dev->req) {
767 status = -ENOMEM;
768 goto fail;
769 }
770 dev->req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE,
771 gadget->ep0->maxpacket);
772 if (!dev->req->buf) {
773 status = -ENOMEM;
774 goto fail;
775 }
776
777 dev->req->complete = thor_setup_complete;
778
779
780 status = usb_interface_id(c, f);
781
782 if (status < 0)
783 goto fail;
784
785 thor_downloader_intf_int.bInterfaceNumber = status;
786 thor_downloader_cdc_union.bMasterInterface0 = status;
787
788 status = usb_interface_id(c, f);
789
790 if (status < 0)
791 goto fail;
792
793 thor_downloader_intf_data.bInterfaceNumber = status;
794 thor_downloader_cdc_union.bSlaveInterface0 = status;
795
796
797 ep = usb_ep_autoconfig(gadget, &fs_in_desc);
798 if (!ep) {
799 status = -ENODEV;
800 goto fail;
801 }
802
803 if (gadget_is_dualspeed(gadget)) {
804 hs_in_desc.bEndpointAddress =
805 fs_in_desc.bEndpointAddress;
806 }
807
808 dev->in_ep = ep;
809
810 ep = usb_ep_autoconfig(gadget, &fs_out_desc);
811 if (!ep) {
812 status = -ENODEV;
813 goto fail;
814 }
815
816 if (gadget_is_dualspeed(gadget))
817 hs_out_desc.bEndpointAddress =
818 fs_out_desc.bEndpointAddress;
819
820 dev->out_ep = ep;
821
822 ep = usb_ep_autoconfig(gadget, &fs_int_desc);
823 if (!ep) {
824 status = -ENODEV;
825 goto fail;
826 }
827
828 dev->int_ep = ep;
829
830 if (gadget_is_dualspeed(gadget)) {
831 hs_int_desc.bEndpointAddress =
832 fs_int_desc.bEndpointAddress;
833
834 f->hs_descriptors = (struct usb_descriptor_header **)
835 &hs_thor_downloader_function;
836
837 if (!f->hs_descriptors)
838 goto fail;
839 }
840
841 debug("%s: out_ep:%p out_req:%p\n", __func__,
842 dev->out_ep, dev->out_req);
843
844 return 0;
845
846 fail:
847 free(dev);
848 return status;
849}
850
851static void free_ep_req(struct usb_ep *ep, struct usb_request *req)
852{
853 free(req->buf);
854 usb_ep_free_request(ep, req);
855}
856
857static void thor_unbind(struct usb_configuration *c, struct usb_function *f)
858{
859 struct f_thor *f_thor = func_to_thor(f);
860 struct thor_dev *dev = f_thor->dev;
861
862 free(dev);
863 memset(thor_func, 0, sizeof(*thor_func));
864 thor_func = NULL;
865}
866
867static void thor_func_disable(struct usb_function *f)
868{
869 struct f_thor *f_thor = func_to_thor(f);
870 struct thor_dev *dev = f_thor->dev;
871
872 debug("%s:\n", __func__);
873
874
875 if (dev->in_ep->driver_data) {
876 free_ep_req(dev->in_ep, dev->in_req);
877 usb_ep_disable(dev->in_ep);
878 dev->in_ep->driver_data = NULL;
879 }
880
881 if (dev->out_ep->driver_data) {
882 dev->out_req->buf = NULL;
883 usb_ep_free_request(dev->out_ep, dev->out_req);
884 usb_ep_disable(dev->out_ep);
885 dev->out_ep->driver_data = NULL;
886 }
887
888 if (dev->int_ep->driver_data) {
889 usb_ep_disable(dev->int_ep);
890 dev->int_ep->driver_data = NULL;
891 }
892}
893
894static int thor_eps_setup(struct usb_function *f)
895{
896 struct usb_composite_dev *cdev = f->config->cdev;
897 struct usb_gadget *gadget = cdev->gadget;
898 struct thor_dev *dev = thor_func->dev;
899 struct usb_endpoint_descriptor *d;
900 struct usb_request *req;
901 struct usb_ep *ep;
902 int result;
903
904 ep = dev->in_ep;
905 d = ep_desc(gadget, &hs_in_desc, &fs_in_desc);
906 debug("(d)bEndpointAddress: 0x%x\n", d->bEndpointAddress);
907
908 result = usb_ep_enable(ep, d);
909 if (result)
910 goto exit;
911
912 ep->driver_data = cdev;
913 req = thor_start_ep(ep);
914 if (!req) {
915 usb_ep_disable(ep);
916 result = -EIO;
917 goto exit;
918 }
919
920 dev->in_req = req;
921 ep = dev->out_ep;
922 d = ep_desc(gadget, &hs_out_desc, &fs_out_desc);
923 debug("(d)bEndpointAddress: 0x%x\n", d->bEndpointAddress);
924
925 result = usb_ep_enable(ep, d);
926 if (result)
927 goto exit;
928
929 ep->driver_data = cdev;
930 req = thor_start_ep(ep);
931 if (!req) {
932 usb_ep_disable(ep);
933 result = -EIO;
934 goto exit;
935 }
936
937 dev->out_req = req;
938
939 ep = dev->int_ep;
940 ep->driver_data = cdev;
941
942 exit:
943 return result;
944}
945
946static int thor_func_set_alt(struct usb_function *f,
947 unsigned intf, unsigned alt)
948{
949 struct thor_dev *dev = thor_func->dev;
950 int result;
951
952 debug("%s: func: %s intf: %d alt: %d\n",
953 __func__, f->name, intf, alt);
954
955 switch (intf) {
956 case 0:
957 debug("ACM INTR interface\n");
958 break;
959 case 1:
960 debug("Communication Data interface\n");
961 result = thor_eps_setup(f);
962 if (result)
963 error("%s: EPs setup failed!", __func__);
964 dev->configuration_done = 1;
965 break;
966 }
967
968 return 0;
969}
970
971static int thor_func_init(struct usb_configuration *c)
972{
973 struct f_thor *f_thor;
974 int status;
975
976 debug("%s: cdev: 0x%p\n", __func__, c->cdev);
977
978 f_thor = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*f_thor));
979 if (!f_thor)
980 return -ENOMEM;
981
982 memset(f_thor, 0, sizeof(*f_thor));
983
984 f_thor->usb_function.name = "f_thor";
985 f_thor->usb_function.bind = thor_func_bind;
986 f_thor->usb_function.unbind = thor_unbind;
987 f_thor->usb_function.setup = thor_func_setup;
988 f_thor->usb_function.set_alt = thor_func_set_alt;
989 f_thor->usb_function.disable = thor_func_disable;
990
991 status = usb_add_function(c, &f_thor->usb_function);
992 if (status)
993 free(f_thor);
994
995 return status;
996}
997
998int thor_add(struct usb_configuration *c)
999{
1000 debug("%s:\n", __func__);
1001 return thor_func_init(c);
1002}
1003
1004DECLARE_GADGET_BIND_CALLBACK(usb_dnl_thor, thor_add);
1005
