2 * f_thor.c -- USB TIZEN THOR Downloader gadget function
4 * Copyright (C) 2013 Samsung Electronics
5 * Lukasz Majewski <l.majewski@samsung.com>
8 * git://review.tizen.org/kernel/u-boot
11 * Copyright (C) 2009 Samsung Electronics
12 * Minkyu Kang <mk7.kang@samsung.com>
13 * Sanghee Kim <sh0130.kim@samsung.com>
15 * SPDX-License-Identifier: GPL-2.0+
22 #include <linux/usb/ch9.h>
23 #include <linux/usb/gadget.h>
24 #include <linux/usb/composite.h>
25 #include <linux/usb/cdc.h>
31 static void thor_tx_data(unsigned char *data, int len);
32 static void thor_set_dma(void *addr, int len);
33 static int thor_rx_data(void);
35 static struct f_thor *thor_func;
36 static inline struct f_thor *func_to_thor(struct usb_function *f)
38 return container_of(f, struct f_thor, usb_function);
41 DEFINE_CACHE_ALIGN_BUFFER(unsigned char, thor_tx_data_buf,
42 sizeof(struct rsp_box));
43 DEFINE_CACHE_ALIGN_BUFFER(unsigned char, thor_rx_data_buf,
44 sizeof(struct rqt_box));
46 /* ********************************************************** */
47 /* THOR protocol - transmission handling */
48 /* ********************************************************** */
49 DEFINE_CACHE_ALIGN_BUFFER(char, f_name, F_NAME_BUF_SIZE);
50 static unsigned long long int thor_file_size;
51 static int alt_setting_num;
53 static void send_rsp(const struct rsp_box *rsp)
55 memcpy(thor_tx_data_buf, rsp, sizeof(struct rsp_box));
56 thor_tx_data(thor_tx_data_buf, sizeof(struct rsp_box));
58 debug("-RSP: %d, %d\n", rsp->rsp, rsp->rsp_data);
61 static void send_data_rsp(s32 ack, s32 count)
63 ALLOC_CACHE_ALIGN_BUFFER(struct data_rsp_box, rsp,
64 sizeof(struct data_rsp_box));
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));
72 debug("-DATA RSP: %d, %d\n", ack, count);
75 static int process_rqt_info(const struct rqt_box *rqt)
77 ALLOC_CACHE_ALIGN_BUFFER(struct rsp_box, rsp, sizeof(struct rsp_box));
78 memset(rsp, 0, sizeof(struct rsp_box));
81 rsp->rsp_data = rqt->rqt_data;
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;
89 snprintf(rsp->str_data[0], sizeof(rsp->str_data[0]),
92 case RQT_INIT_VER_BOOT:
93 sprintf(rsp->str_data[0], "%s", U_BOOT_VERSION);
95 case RQT_INIT_VER_KERNEL:
96 sprintf(rsp->str_data[0], "%s", "k unknown");
98 case RQT_INIT_VER_PLATFORM:
99 sprintf(rsp->str_data[0], "%s", "p unknown");
101 case RQT_INIT_VER_CSC:
102 sprintf(rsp->str_data[0], "%s", "c unknown");
112 static int process_rqt_cmd(const struct rqt_box *rqt)
114 ALLOC_CACHE_ALIGN_BUFFER(struct rsp_box, rsp, sizeof(struct rsp_box));
115 memset(rsp, 0, sizeof(struct rsp_box));
118 rsp->rsp_data = rqt->rqt_data;
120 switch (rqt->rqt_data) {
122 debug("TARGET RESET\n");
126 run_command("reset", 0);
128 case RQT_CMD_POWEROFF:
129 case RQT_CMD_EFSCLEAR:
132 printf("Command not supported -> cmd: %d\n", rqt->rqt_data);
139 static long long int download_head(unsigned long long total,
140 unsigned int packet_size,
144 long long int rcv_cnt = 0, left_to_rcv, ret_rcv;
145 void *transfer_buffer = dfu_get_buf();
146 void *buf = transfer_buffer;
147 int usb_pkt_cnt = 0, ret;
150 * Files smaller than THOR_STORE_UNIT_SIZE (now 32 MiB) are stored on
152 * The packet response is sent on the purpose after successful data
153 * chunk write. There is a room for improvement when asynchronous write
156 while (total - rcv_cnt >= packet_size) {
157 thor_set_dma(buf, packet_size);
159 ret_rcv = thor_rx_data();
163 debug("%d: RCV data count: %llu cnt: %d\n", usb_pkt_cnt,
166 if ((rcv_cnt % THOR_STORE_UNIT_SIZE) == 0) {
167 ret = dfu_write(dfu_get_entity(alt_setting_num),
168 transfer_buffer, THOR_STORE_UNIT_SIZE,
171 error("DFU write failed [%d] cnt: %d",
175 buf = transfer_buffer;
177 send_data_rsp(0, ++usb_pkt_cnt);
180 /* Calculate the amount of data to arrive from PC (in bytes) */
181 left_to_rcv = total - rcv_cnt;
184 * Calculate number of data already received. but not yet stored
185 * on the medium (they are smaller than THOR_STORE_UNIT_SIZE)
187 *left = left_to_rcv + buf - transfer_buffer;
188 debug("%s: left: %llu left_to_rcv: %llu buf: 0x%p\n", __func__,
189 *left, left_to_rcv, buf);
192 thor_set_dma(buf, packet_size);
193 ret_rcv = thor_rx_data();
197 send_data_rsp(0, ++usb_pkt_cnt);
200 debug("%s: %llu total: %llu cnt: %d\n", __func__, rcv_cnt, total, *cnt);
205 static int download_tail(long long int left, int cnt)
207 struct dfu_entity *dfu_entity = dfu_get_entity(alt_setting_num);
208 void *transfer_buffer = dfu_get_buf();
211 debug("%s: left: %llu cnt: %d\n", __func__, left, cnt);
214 ret = dfu_write(dfu_entity, transfer_buffer, left, cnt++);
216 error("DFU write failed [%d]: left: %llu", ret, left);
222 * To store last "packet" or write file from buffer to filesystem
223 * DFU storage backend requires dfu_flush
225 * This also frees memory malloc'ed by dfu_get_buf(), so no explicit
226 * need fo call dfu_free_buf() is needed.
228 ret = dfu_flush(dfu_entity, transfer_buffer, 0, cnt);
230 error("DFU flush failed!");
235 static long long int process_rqt_download(const struct rqt_box *rqt)
237 ALLOC_CACHE_ALIGN_BUFFER(struct rsp_box, rsp, sizeof(struct rsp_box));
238 static long long int left, ret_head;
239 int file_type, ret = 0;
242 memset(rsp, 0, sizeof(struct rsp_box));
244 rsp->rsp_data = rqt->rqt_data;
246 switch (rqt->rqt_data) {
248 thor_file_size = rqt->int_data[0];
249 debug("INIT: total %d bytes\n", rqt->int_data[0]);
251 case RQT_DL_FILE_INFO:
252 file_type = rqt->int_data[0];
253 if (file_type == FILE_TYPE_PIT) {
254 puts("PIT table file - not supported\n");
255 rsp->ack = -ENOTSUPP;
260 thor_file_size = rqt->int_data[1];
261 memcpy(f_name, rqt->str_data[0], F_NAME_BUF_SIZE);
263 debug("INFO: name(%s, %d), size(%llu), type(%d)\n",
264 f_name, 0, thor_file_size, file_type);
266 rsp->int_data[0] = THOR_PACKET_SIZE;
268 alt_setting_num = dfu_get_alt(f_name);
269 if (alt_setting_num < 0) {
270 error("Alt setting [%d] to write not found!",
276 case RQT_DL_FILE_START:
278 ret_head = download_head(thor_file_size, THOR_PACKET_SIZE,
285 case RQT_DL_FILE_END:
286 debug("DL FILE_END\n");
287 rsp->ack = download_tail(left, cnt);
296 error("Operation not supported: %d", rqt->rqt_data);
304 static int process_data(void)
306 ALLOC_CACHE_ALIGN_BUFFER(struct rqt_box, rqt, sizeof(struct rqt_box));
309 memcpy(rqt, thor_rx_data_buf, sizeof(struct rqt_box));
311 debug("+RQT: %d, %d\n", rqt->rqt, rqt->rqt_data);
315 ret = process_rqt_info(rqt);
318 ret = process_rqt_cmd(rqt);
321 ret = (int) process_rqt_download(rqt);
324 puts("RQT: UPLOAD not supported!\n");
327 error("unknown request (%d)", rqt->rqt);
333 /* ********************************************************** */
334 /* THOR USB Function */
335 /* ********************************************************** */
337 static inline struct usb_endpoint_descriptor *
338 ep_desc(struct usb_gadget *g, struct usb_endpoint_descriptor *hs,
339 struct usb_endpoint_descriptor *fs)
341 if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
346 static struct usb_interface_descriptor thor_downloader_intf_data = {
347 .bLength = sizeof(thor_downloader_intf_data),
348 .bDescriptorType = USB_DT_INTERFACE,
351 .bInterfaceClass = USB_CLASS_CDC_DATA,
354 static struct usb_endpoint_descriptor fs_in_desc = {
355 .bLength = USB_DT_ENDPOINT_SIZE,
356 .bDescriptorType = USB_DT_ENDPOINT,
358 .bEndpointAddress = USB_DIR_IN,
359 .bmAttributes = USB_ENDPOINT_XFER_BULK,
362 static struct usb_endpoint_descriptor fs_out_desc = {
363 .bLength = USB_DT_ENDPOINT_SIZE,
364 .bDescriptorType = USB_DT_ENDPOINT,
366 .bEndpointAddress = USB_DIR_OUT,
367 .bmAttributes = USB_ENDPOINT_XFER_BULK,
370 /* CDC configuration */
371 static struct usb_interface_descriptor thor_downloader_intf_int = {
372 .bLength = sizeof(thor_downloader_intf_int),
373 .bDescriptorType = USB_DT_INTERFACE,
376 .bInterfaceClass = USB_CLASS_COMM,
377 /* 0x02 Abstract Line Control Model */
378 .bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
379 /* 0x01 Common AT commands */
380 .bInterfaceProtocol = USB_CDC_ACM_PROTO_AT_V25TER,
383 static struct usb_cdc_header_desc thor_downloader_cdc_header = {
384 .bLength = sizeof(thor_downloader_cdc_header),
385 .bDescriptorType = 0x24, /* CS_INTERFACE */
386 .bDescriptorSubType = 0x00,
390 static struct usb_cdc_call_mgmt_descriptor thor_downloader_cdc_call = {
391 .bLength = sizeof(thor_downloader_cdc_call),
392 .bDescriptorType = 0x24, /* CS_INTERFACE */
393 .bDescriptorSubType = 0x01,
394 .bmCapabilities = 0x00,
395 .bDataInterface = 0x01,
398 static struct usb_cdc_acm_descriptor thor_downloader_cdc_abstract = {
399 .bLength = sizeof(thor_downloader_cdc_abstract),
400 .bDescriptorType = 0x24, /* CS_INTERFACE */
401 .bDescriptorSubType = 0x02,
402 .bmCapabilities = 0x00,
405 static struct usb_cdc_union_desc thor_downloader_cdc_union = {
406 .bLength = sizeof(thor_downloader_cdc_union),
407 .bDescriptorType = 0x24, /* CS_INTERFACE */
408 .bDescriptorSubType = USB_CDC_UNION_TYPE,
411 static struct usb_endpoint_descriptor fs_int_desc = {
412 .bLength = USB_DT_ENDPOINT_SIZE,
413 .bDescriptorType = USB_DT_ENDPOINT,
415 .bEndpointAddress = 3 | USB_DIR_IN,
416 .bmAttributes = USB_ENDPOINT_XFER_INT,
417 .wMaxPacketSize = __constant_cpu_to_le16(16),
422 static struct usb_interface_assoc_descriptor
423 thor_iad_descriptor = {
424 .bLength = sizeof(thor_iad_descriptor),
425 .bDescriptorType = USB_DT_INTERFACE_ASSOCIATION,
427 .bFirstInterface = 0,
428 .bInterfaceCount = 2, /* control + data */
429 .bFunctionClass = USB_CLASS_COMM,
430 .bFunctionSubClass = USB_CDC_SUBCLASS_ACM,
431 .bFunctionProtocol = USB_CDC_PROTO_NONE,
434 static struct usb_endpoint_descriptor hs_in_desc = {
435 .bLength = USB_DT_ENDPOINT_SIZE,
436 .bDescriptorType = USB_DT_ENDPOINT,
438 .bmAttributes = USB_ENDPOINT_XFER_BULK,
439 .wMaxPacketSize = __constant_cpu_to_le16(512),
442 static struct usb_endpoint_descriptor hs_out_desc = {
443 .bLength = USB_DT_ENDPOINT_SIZE,
444 .bDescriptorType = USB_DT_ENDPOINT,
446 .bmAttributes = USB_ENDPOINT_XFER_BULK,
447 .wMaxPacketSize = __constant_cpu_to_le16(512),
450 static struct usb_endpoint_descriptor hs_int_desc = {
451 .bLength = USB_DT_ENDPOINT_SIZE,
452 .bDescriptorType = USB_DT_ENDPOINT,
454 .bmAttributes = USB_ENDPOINT_XFER_INT,
455 .wMaxPacketSize = __constant_cpu_to_le16(16),
460 static struct usb_qualifier_descriptor dev_qualifier = {
461 .bLength = sizeof(dev_qualifier),
462 .bDescriptorType = USB_DT_DEVICE_QUALIFIER,
464 .bcdUSB = __constant_cpu_to_le16(0x0200),
465 .bDeviceClass = USB_CLASS_VENDOR_SPEC,
467 .bNumConfigurations = 2,
471 * This attribute vendor descriptor is necessary for correct operation with
472 * Windows version of THOR download program
474 * It prevents windows driver from sending zero lenght packet (ZLP) after
475 * each THOR_PACKET_SIZE. This assures consistent behaviour with libusb
477 static struct usb_cdc_attribute_vendor_descriptor thor_downloader_cdc_av = {
478 .bLength = sizeof(thor_downloader_cdc_av),
479 .bDescriptorType = 0x24,
480 .bDescriptorSubType = 0x80,
486 static const struct usb_descriptor_header *hs_thor_downloader_function[] = {
487 (struct usb_descriptor_header *)&thor_iad_descriptor,
489 (struct usb_descriptor_header *)&thor_downloader_intf_int,
490 (struct usb_descriptor_header *)&thor_downloader_cdc_header,
491 (struct usb_descriptor_header *)&thor_downloader_cdc_call,
492 (struct usb_descriptor_header *)&thor_downloader_cdc_abstract,
493 (struct usb_descriptor_header *)&thor_downloader_cdc_union,
494 (struct usb_descriptor_header *)&hs_int_desc,
496 (struct usb_descriptor_header *)&thor_downloader_intf_data,
497 (struct usb_descriptor_header *)&thor_downloader_cdc_av,
498 (struct usb_descriptor_header *)&hs_in_desc,
499 (struct usb_descriptor_header *)&hs_out_desc,
503 /*-------------------------------------------------------------------------*/
504 static struct usb_request *alloc_ep_req(struct usb_ep *ep, unsigned length)
506 struct usb_request *req;
508 req = usb_ep_alloc_request(ep, 0);
512 req->length = length;
513 req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE, length);
515 usb_ep_free_request(ep, req);
522 static int thor_rx_data(void)
524 struct thor_dev *dev = thor_func->dev;
525 int data_to_rx, tmp, status;
527 data_to_rx = dev->out_req->length;
530 dev->out_req->length = data_to_rx;
531 debug("dev->out_req->length:%d dev->rxdata:%d\n",
532 dev->out_req->length, dev->rxdata);
534 status = usb_ep_queue(dev->out_ep, dev->out_req, 0);
536 error("kill %s: resubmit %d bytes --> %d",
537 dev->out_ep->name, dev->out_req->length, status);
538 usb_ep_set_halt(dev->out_ep);
542 while (!dev->rxdata) {
543 usb_gadget_handle_interrupts();
548 data_to_rx -= dev->out_req->actual;
549 } while (data_to_rx);
554 static void thor_tx_data(unsigned char *data, int len)
556 struct thor_dev *dev = thor_func->dev;
557 unsigned char *ptr = dev->in_req->buf;
561 memcpy(ptr, data, len);
563 dev->in_req->length = len;
565 debug("%s: dev->in_req->length:%d to_cpy:%d\n", __func__,
566 dev->in_req->length, sizeof(data));
568 status = usb_ep_queue(dev->in_ep, dev->in_req, 0);
570 error("kill %s: resubmit %d bytes --> %d",
571 dev->in_ep->name, dev->in_req->length, status);
572 usb_ep_set_halt(dev->in_ep);
575 /* Wait until tx interrupt received */
577 usb_gadget_handle_interrupts();
582 static void thor_rx_tx_complete(struct usb_ep *ep, struct usb_request *req)
584 struct thor_dev *dev = thor_func->dev;
585 int status = req->status;
587 debug("%s: ep_ptr:%p, req_ptr:%p\n", __func__, ep, req);
590 if (ep == dev->out_ep)
597 /* this endpoint is normally active while we're configured */
598 case -ECONNABORTED: /* hardware forced ep reset */
599 case -ECONNRESET: /* request dequeued */
600 case -ESHUTDOWN: /* disconnect from host */
601 case -EREMOTEIO: /* short read */
603 error("ERROR:%d", status);
607 debug("%s complete --> %d, %d/%d\n", ep->name,
608 status, req->actual, req->length);
611 static struct usb_request *thor_start_ep(struct usb_ep *ep)
613 struct usb_request *req;
615 req = alloc_ep_req(ep, THOR_PACKET_SIZE);
616 debug("%s: ep:%p req:%p\n", __func__, ep, req);
621 memset(req->buf, 0, req->length);
622 req->complete = thor_rx_tx_complete;
627 static void thor_setup_complete(struct usb_ep *ep, struct usb_request *req)
629 if (req->status || req->actual != req->length)
630 debug("setup complete --> %d, %d/%d\n",
631 req->status, req->actual, req->length);
635 thor_func_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
637 struct thor_dev *dev = thor_func->dev;
638 struct usb_request *req = dev->req;
639 struct usb_gadget *gadget = dev->gadget;
642 u16 len = le16_to_cpu(ctrl->wLength);
644 debug("Req_Type: 0x%x Req: 0x%x wValue: 0x%x wIndex: 0x%x wLen: 0x%x\n",
645 ctrl->bRequestType, ctrl->bRequest, ctrl->wValue, ctrl->wIndex,
648 switch (ctrl->bRequest) {
649 case USB_CDC_REQ_SET_CONTROL_LINE_STATE:
652 case USB_CDC_REQ_SET_LINE_CODING:
654 /* Line Coding set done = configuration done */
655 thor_func->dev->configuration_done = 1;
659 error("thor_setup: unknown request: %d", ctrl->bRequest);
664 req->zero = value < len;
665 value = usb_ep_queue(gadget->ep0, req, 0);
667 debug("%s: ep_queue: %d\n", __func__, value);
675 /* Specific to the THOR protocol */
676 static void thor_set_dma(void *addr, int len)
678 struct thor_dev *dev = thor_func->dev;
680 debug("in_req:%p, out_req:%p\n", dev->in_req, dev->out_req);
681 debug("addr:%p, len:%d\n", addr, len);
683 dev->out_req->buf = addr;
684 dev->out_req->length = len;
689 struct thor_dev *dev = thor_func->dev;
691 /* Wait for a device enumeration and configuration settings */
692 debug("THOR enumeration/configuration setting....\n");
693 while (!dev->configuration_done)
694 usb_gadget_handle_interrupts();
696 thor_set_dma(thor_rx_data_buf, strlen("THOR"));
697 /* detect the download request from Host PC */
698 if (thor_rx_data() < 0) {
699 printf("%s: Data not received!\n", __func__);
703 if (!strncmp((char *)thor_rx_data_buf, "THOR", strlen("THOR"))) {
704 puts("Download request from the Host PC\n");
705 udelay(30 * 1000); /* 30 ms */
707 strcpy((char *)thor_tx_data_buf, "ROHT");
708 thor_tx_data(thor_tx_data_buf, strlen("ROHT"));
710 puts("Wrong reply information\n");
717 int thor_handle(void)
721 /* receive the data from Host PC */
723 thor_set_dma(thor_rx_data_buf, sizeof(struct rqt_box));
724 ret = thor_rx_data();
727 ret = process_data();
731 printf("%s: No data received!\n", __func__);
739 static int thor_func_bind(struct usb_configuration *c, struct usb_function *f)
741 struct usb_gadget *gadget = c->cdev->gadget;
742 struct f_thor *f_thor = func_to_thor(f);
743 struct thor_dev *dev;
748 dev = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*dev));
752 memset(dev, 0, sizeof(*dev));
753 dev->gadget = gadget;
756 debug("%s: usb_configuration: 0x%p usb_function: 0x%p\n",
758 debug("f_thor: 0x%p thor: 0x%p\n", f_thor, dev);
761 /* preallocate control response and buffer */
762 dev->req = usb_ep_alloc_request(gadget->ep0, 0);
767 dev->req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE,
768 gadget->ep0->maxpacket);
769 if (!dev->req->buf) {
774 dev->req->complete = thor_setup_complete;
776 /* DYNAMIC interface numbers assignments */
777 status = usb_interface_id(c, f);
782 thor_downloader_intf_int.bInterfaceNumber = status;
783 thor_downloader_cdc_union.bMasterInterface0 = status;
785 status = usb_interface_id(c, f);
790 thor_downloader_intf_data.bInterfaceNumber = status;
791 thor_downloader_cdc_union.bSlaveInterface0 = status;
793 /* allocate instance-specific endpoints */
794 ep = usb_ep_autoconfig(gadget, &fs_in_desc);
800 if (gadget_is_dualspeed(gadget)) {
801 hs_in_desc.bEndpointAddress =
802 fs_in_desc.bEndpointAddress;
805 dev->in_ep = ep; /* Store IN EP for enabling @ setup */
807 ep = usb_ep_autoconfig(gadget, &fs_out_desc);
813 if (gadget_is_dualspeed(gadget))
814 hs_out_desc.bEndpointAddress =
815 fs_out_desc.bEndpointAddress;
817 dev->out_ep = ep; /* Store OUT EP for enabling @ setup */
819 ep = usb_ep_autoconfig(gadget, &fs_int_desc);
827 if (gadget_is_dualspeed(gadget)) {
828 hs_int_desc.bEndpointAddress =
829 fs_int_desc.bEndpointAddress;
831 f->hs_descriptors = (struct usb_descriptor_header **)
832 &hs_thor_downloader_function;
834 if (!f->hs_descriptors)
838 debug("%s: out_ep:%p out_req:%p\n", __func__,
839 dev->out_ep, dev->out_req);
848 static void free_ep_req(struct usb_ep *ep, struct usb_request *req)
851 usb_ep_free_request(ep, req);
854 static void thor_unbind(struct usb_configuration *c, struct usb_function *f)
856 struct f_thor *f_thor = func_to_thor(f);
857 struct thor_dev *dev = f_thor->dev;
860 memset(thor_func, 0, sizeof(*thor_func));
864 static void thor_func_disable(struct usb_function *f)
866 struct f_thor *f_thor = func_to_thor(f);
867 struct thor_dev *dev = f_thor->dev;
869 debug("%s:\n", __func__);
871 /* Avoid freeing memory when ep is still claimed */
872 if (dev->in_ep->driver_data) {
873 free_ep_req(dev->in_ep, dev->in_req);
874 usb_ep_disable(dev->in_ep);
875 dev->in_ep->driver_data = NULL;
878 if (dev->out_ep->driver_data) {
879 dev->out_req->buf = NULL;
880 usb_ep_free_request(dev->out_ep, dev->out_req);
881 usb_ep_disable(dev->out_ep);
882 dev->out_ep->driver_data = NULL;
885 if (dev->int_ep->driver_data) {
886 usb_ep_disable(dev->int_ep);
887 dev->int_ep->driver_data = NULL;
891 static int thor_eps_setup(struct usb_function *f)
893 struct usb_composite_dev *cdev = f->config->cdev;
894 struct usb_gadget *gadget = cdev->gadget;
895 struct thor_dev *dev = thor_func->dev;
896 struct usb_endpoint_descriptor *d;
897 struct usb_request *req;
902 d = ep_desc(gadget, &hs_in_desc, &fs_in_desc);
903 debug("(d)bEndpointAddress: 0x%x\n", d->bEndpointAddress);
905 result = usb_ep_enable(ep, d);
909 ep->driver_data = cdev; /* claim */
910 req = thor_start_ep(ep);
919 d = ep_desc(gadget, &hs_out_desc, &fs_out_desc);
920 debug("(d)bEndpointAddress: 0x%x\n", d->bEndpointAddress);
922 result = usb_ep_enable(ep, d);
926 ep->driver_data = cdev; /* claim */
927 req = thor_start_ep(ep);
937 ep->driver_data = cdev; /* claim */
943 static int thor_func_set_alt(struct usb_function *f,
944 unsigned intf, unsigned alt)
946 struct thor_dev *dev = thor_func->dev;
949 debug("%s: func: %s intf: %d alt: %d\n",
950 __func__, f->name, intf, alt);
954 debug("ACM INTR interface\n");
957 debug("Communication Data interface\n");
958 result = thor_eps_setup(f);
960 error("%s: EPs setup failed!", __func__);
961 dev->configuration_done = 1;
968 static int thor_func_init(struct usb_configuration *c)
970 struct f_thor *f_thor;
973 debug("%s: cdev: 0x%p\n", __func__, c->cdev);
975 f_thor = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*f_thor));
979 memset(f_thor, 0, sizeof(*f_thor));
981 f_thor->usb_function.name = "f_thor";
982 f_thor->usb_function.bind = thor_func_bind;
983 f_thor->usb_function.unbind = thor_unbind;
984 f_thor->usb_function.setup = thor_func_setup;
985 f_thor->usb_function.set_alt = thor_func_set_alt;
986 f_thor->usb_function.disable = thor_func_disable;
988 status = usb_add_function(c, &f_thor->usb_function);
995 int thor_add(struct usb_configuration *c)
997 debug("%s:\n", __func__);
998 return thor_func_init(c);
1001 DECLARE_GADGET_BIND_CALLBACK(usb_dnl_thor, thor_add);