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" DFU storage backend requires dfu_write with
223
* size parameter equal to 0
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_write(dfu_entity, transfer_buffer, 0, cnt);
230
error("DFU write failed [%d] cnt: %d", ret, cnt);
232
ret = dfu_flush(dfu_entity, transfer_buffer, 0, cnt);
234
error("DFU flush failed!");
241
static long long int process_rqt_download(const struct rqt_box *rqt)
243
ALLOC_CACHE_ALIGN_BUFFER(struct rsp_box, rsp, sizeof(struct rsp_box));
244
static long long int left, ret_head;
245
int file_type, ret = 0;
248
memset(rsp, 0, sizeof(struct rsp_box));
250
rsp->rsp_data = rqt->rqt_data;
252
switch (rqt->rqt_data) {
254
thor_file_size = rqt->int_data[0];
255
debug("INIT: total %d bytes\n", rqt->int_data[0]);
257
case RQT_DL_FILE_INFO:
258
file_type = rqt->int_data[0];
259
if (file_type == FILE_TYPE_PIT) {
260
puts("PIT table file - not supported\n");
261
rsp->ack = -ENOTSUPP;
266
thor_file_size = rqt->int_data[1];
267
memcpy(f_name, rqt->str_data[0], F_NAME_BUF_SIZE);
269
debug("INFO: name(%s, %d), size(%llu), type(%d)\n",
270
f_name, 0, thor_file_size, file_type);
272
rsp->int_data[0] = THOR_PACKET_SIZE;
274
alt_setting_num = dfu_get_alt(f_name);
275
if (alt_setting_num < 0) {
276
error("Alt setting [%d] to write not found!",
282
case RQT_DL_FILE_START:
284
ret_head = download_head(thor_file_size, THOR_PACKET_SIZE,
291
case RQT_DL_FILE_END:
292
debug("DL FILE_END\n");
293
rsp->ack = download_tail(left, cnt);
302
error("Operation not supported: %d", rqt->rqt_data);
310
static int process_data(void)
312
ALLOC_CACHE_ALIGN_BUFFER(struct rqt_box, rqt, sizeof(struct rqt_box));
315
memset(rqt, 0, sizeof(rqt));
316
memcpy(rqt, thor_rx_data_buf, sizeof(struct rqt_box));
318
debug("+RQT: %d, %d\n", rqt->rqt, rqt->rqt_data);
322
ret = process_rqt_info(rqt);
325
ret = process_rqt_cmd(rqt);
328
ret = (int) process_rqt_download(rqt);
331
puts("RQT: UPLOAD not supported!\n");
334
error("unknown request (%d)", rqt->rqt);
340
/* ********************************************************** */
341
/* THOR USB Function */
342
/* ********************************************************** */
344
static inline struct usb_endpoint_descriptor *
345
ep_desc(struct usb_gadget *g, struct usb_endpoint_descriptor *hs,
346
struct usb_endpoint_descriptor *fs)
348
if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
353
static struct usb_interface_descriptor thor_downloader_intf_data = {
354
.bLength = sizeof(thor_downloader_intf_data),
355
.bDescriptorType = USB_DT_INTERFACE,
358
.bInterfaceClass = USB_CLASS_CDC_DATA,
361
static struct usb_endpoint_descriptor fs_in_desc = {
362
.bLength = USB_DT_ENDPOINT_SIZE,
363
.bDescriptorType = USB_DT_ENDPOINT,
365
.bEndpointAddress = USB_DIR_IN,
366
.bmAttributes = USB_ENDPOINT_XFER_BULK,
369
static struct usb_endpoint_descriptor fs_out_desc = {
370
.bLength = USB_DT_ENDPOINT_SIZE,
371
.bDescriptorType = USB_DT_ENDPOINT,
373
.bEndpointAddress = USB_DIR_OUT,
374
.bmAttributes = USB_ENDPOINT_XFER_BULK,
377
/* CDC configuration */
378
static struct usb_interface_descriptor thor_downloader_intf_int = {
379
.bLength = sizeof(thor_downloader_intf_int),
380
.bDescriptorType = USB_DT_INTERFACE,
383
.bInterfaceClass = USB_CLASS_COMM,
384
/* 0x02 Abstract Line Control Model */
385
.bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
386
/* 0x01 Common AT commands */
387
.bInterfaceProtocol = USB_CDC_ACM_PROTO_AT_V25TER,
390
static struct usb_cdc_header_desc thor_downloader_cdc_header = {
391
.bLength = sizeof(thor_downloader_cdc_header),
392
.bDescriptorType = 0x24, /* CS_INTERFACE */
393
.bDescriptorSubType = 0x00,
397
static struct usb_cdc_call_mgmt_descriptor thor_downloader_cdc_call = {
398
.bLength = sizeof(thor_downloader_cdc_call),
399
.bDescriptorType = 0x24, /* CS_INTERFACE */
400
.bDescriptorSubType = 0x01,
401
.bmCapabilities = 0x00,
402
.bDataInterface = 0x01,
405
static struct usb_cdc_acm_descriptor thor_downloader_cdc_abstract = {
406
.bLength = sizeof(thor_downloader_cdc_abstract),
407
.bDescriptorType = 0x24, /* CS_INTERFACE */
408
.bDescriptorSubType = 0x02,
409
.bmCapabilities = 0x00,
412
static struct usb_cdc_union_desc thor_downloader_cdc_union = {
413
.bLength = sizeof(thor_downloader_cdc_union),
414
.bDescriptorType = 0x24, /* CS_INTERFACE */
415
.bDescriptorSubType = USB_CDC_UNION_TYPE,
418
static struct usb_endpoint_descriptor fs_int_desc = {
419
.bLength = USB_DT_ENDPOINT_SIZE,
420
.bDescriptorType = USB_DT_ENDPOINT,
422
.bEndpointAddress = 3 | USB_DIR_IN,
423
.bmAttributes = USB_ENDPOINT_XFER_INT,
424
.wMaxPacketSize = __constant_cpu_to_le16(16),
429
static struct usb_interface_assoc_descriptor
430
thor_iad_descriptor = {
431
.bLength = sizeof(thor_iad_descriptor),
432
.bDescriptorType = USB_DT_INTERFACE_ASSOCIATION,
434
.bFirstInterface = 0,
435
.bInterfaceCount = 2, /* control + data */
436
.bFunctionClass = USB_CLASS_COMM,
437
.bFunctionSubClass = USB_CDC_SUBCLASS_ACM,
438
.bFunctionProtocol = USB_CDC_PROTO_NONE,
441
static struct usb_endpoint_descriptor hs_in_desc = {
442
.bLength = USB_DT_ENDPOINT_SIZE,
443
.bDescriptorType = USB_DT_ENDPOINT,
445
.bmAttributes = USB_ENDPOINT_XFER_BULK,
446
.wMaxPacketSize = __constant_cpu_to_le16(512),
449
static struct usb_endpoint_descriptor hs_out_desc = {
450
.bLength = USB_DT_ENDPOINT_SIZE,
451
.bDescriptorType = USB_DT_ENDPOINT,
453
.bmAttributes = USB_ENDPOINT_XFER_BULK,
454
.wMaxPacketSize = __constant_cpu_to_le16(512),
457
static struct usb_endpoint_descriptor hs_int_desc = {
458
.bLength = USB_DT_ENDPOINT_SIZE,
459
.bDescriptorType = USB_DT_ENDPOINT,
461
.bmAttributes = USB_ENDPOINT_XFER_INT,
462
.wMaxPacketSize = __constant_cpu_to_le16(16),
467
static struct usb_qualifier_descriptor dev_qualifier = {
468
.bLength = sizeof(dev_qualifier),
469
.bDescriptorType = USB_DT_DEVICE_QUALIFIER,
471
.bcdUSB = __constant_cpu_to_le16(0x0200),
472
.bDeviceClass = USB_CLASS_VENDOR_SPEC,
474
.bNumConfigurations = 2,
478
* This attribute vendor descriptor is necessary for correct operation with
479
* Windows version of THOR download program
481
* It prevents windows driver from sending zero lenght packet (ZLP) after
482
* each THOR_PACKET_SIZE. This assures consistent behaviour with libusb
484
static struct usb_cdc_attribute_vendor_descriptor thor_downloader_cdc_av = {
485
.bLength = sizeof(thor_downloader_cdc_av),
486
.bDescriptorType = 0x24,
487
.bDescriptorSubType = 0x80,
493
static const struct usb_descriptor_header *hs_thor_downloader_function[] = {
494
(struct usb_descriptor_header *)&thor_iad_descriptor,
496
(struct usb_descriptor_header *)&thor_downloader_intf_int,
497
(struct usb_descriptor_header *)&thor_downloader_cdc_header,
498
(struct usb_descriptor_header *)&thor_downloader_cdc_call,
499
(struct usb_descriptor_header *)&thor_downloader_cdc_abstract,
500
(struct usb_descriptor_header *)&thor_downloader_cdc_union,
501
(struct usb_descriptor_header *)&hs_int_desc,
503
(struct usb_descriptor_header *)&thor_downloader_intf_data,
504
(struct usb_descriptor_header *)&thor_downloader_cdc_av,
505
(struct usb_descriptor_header *)&hs_in_desc,
506
(struct usb_descriptor_header *)&hs_out_desc,
510
/*-------------------------------------------------------------------------*/
511
static struct usb_request *alloc_ep_req(struct usb_ep *ep, unsigned length)
513
struct usb_request *req;
515
req = usb_ep_alloc_request(ep, 0);
519
req->length = length;
520
req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE, length);
522
usb_ep_free_request(ep, req);
529
static int thor_rx_data(void)
531
struct thor_dev *dev = thor_func->dev;
532
int data_to_rx, tmp, status;
534
data_to_rx = dev->out_req->length;
537
dev->out_req->length = data_to_rx;
538
debug("dev->out_req->length:%d dev->rxdata:%d\n",
539
dev->out_req->length, dev->rxdata);
541
status = usb_ep_queue(dev->out_ep, dev->out_req, 0);
543
error("kill %s: resubmit %d bytes --> %d",
544
dev->out_ep->name, dev->out_req->length, status);
545
usb_ep_set_halt(dev->out_ep);
549
while (!dev->rxdata) {
550
usb_gadget_handle_interrupts();
555
data_to_rx -= dev->out_req->actual;
556
} while (data_to_rx);
561
static void thor_tx_data(unsigned char *data, int len)
563
struct thor_dev *dev = thor_func->dev;
564
unsigned char *ptr = dev->in_req->buf;
568
memcpy(ptr, data, len);
570
dev->in_req->length = len;
572
debug("%s: dev->in_req->length:%d to_cpy:%d\n", __func__,
573
dev->in_req->length, sizeof(data));
575
status = usb_ep_queue(dev->in_ep, dev->in_req, 0);
577
error("kill %s: resubmit %d bytes --> %d",
578
dev->in_ep->name, dev->in_req->length, status);
579
usb_ep_set_halt(dev->in_ep);
582
/* Wait until tx interrupt received */
584
usb_gadget_handle_interrupts();
589
static void thor_rx_tx_complete(struct usb_ep *ep, struct usb_request *req)
591
struct thor_dev *dev = thor_func->dev;
592
int status = req->status;
594
debug("%s: ep_ptr:%p, req_ptr:%p\n", __func__, ep, req);
597
if (ep == dev->out_ep)
604
/* this endpoint is normally active while we're configured */
605
case -ECONNABORTED: /* hardware forced ep reset */
606
case -ECONNRESET: /* request dequeued */
607
case -ESHUTDOWN: /* disconnect from host */
608
case -EREMOTEIO: /* short read */
610
error("ERROR:%d", status);
614
debug("%s complete --> %d, %d/%d\n", ep->name,
615
status, req->actual, req->length);
618
static struct usb_request *thor_start_ep(struct usb_ep *ep)
620
struct usb_request *req;
622
req = alloc_ep_req(ep, THOR_PACKET_SIZE);
623
debug("%s: ep:%p req:%p\n", __func__, ep, req);
628
memset(req->buf, 0, req->length);
629
req->complete = thor_rx_tx_complete;
634
static void thor_setup_complete(struct usb_ep *ep, struct usb_request *req)
636
if (req->status || req->actual != req->length)
637
debug("setup complete --> %d, %d/%d\n",
638
req->status, req->actual, req->length);
642
thor_func_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
644
struct thor_dev *dev = thor_func->dev;
645
struct usb_request *req = dev->req;
646
struct usb_gadget *gadget = dev->gadget;
649
u16 len = le16_to_cpu(ctrl->wLength);
651
debug("Req_Type: 0x%x Req: 0x%x wValue: 0x%x wIndex: 0x%x wLen: 0x%x\n",
652
ctrl->bRequestType, ctrl->bRequest, ctrl->wValue, ctrl->wIndex,
655
switch (ctrl->bRequest) {
656
case USB_CDC_REQ_SET_CONTROL_LINE_STATE:
659
case USB_CDC_REQ_SET_LINE_CODING:
661
/* Line Coding set done = configuration done */
662
thor_func->dev->configuration_done = 1;
666
error("thor_setup: unknown request: %d", ctrl->bRequest);
671
req->zero = value < len;
672
value = usb_ep_queue(gadget->ep0, req, 0);
674
debug("%s: ep_queue: %d\n", __func__, value);
682
/* Specific to the THOR protocol */
683
static void thor_set_dma(void *addr, int len)
685
struct thor_dev *dev = thor_func->dev;
687
debug("in_req:%p, out_req:%p\n", dev->in_req, dev->out_req);
688
debug("addr:%p, len:%d\n", addr, len);
690
dev->out_req->buf = addr;
691
dev->out_req->length = len;
696
struct thor_dev *dev = thor_func->dev;
698
/* Wait for a device enumeration and configuration settings */
699
debug("THOR enumeration/configuration setting....\n");
700
while (!dev->configuration_done)
701
usb_gadget_handle_interrupts();
703
thor_set_dma(thor_rx_data_buf, strlen("THOR"));
704
/* detect the download request from Host PC */
705
if (thor_rx_data() < 0) {
706
printf("%s: Data not received!\n", __func__);
710
if (!strncmp((char *)thor_rx_data_buf, "THOR", strlen("THOR"))) {
711
puts("Download request from the Host PC\n");
712
udelay(30 * 1000); /* 30 ms */
714
strcpy((char *)thor_tx_data_buf, "ROHT");
715
thor_tx_data(thor_tx_data_buf, strlen("ROHT"));
717
puts("Wrong reply information\n");
724
int thor_handle(void)
728
/* receive the data from Host PC */
730
thor_set_dma(thor_rx_data_buf, sizeof(struct rqt_box));
731
ret = thor_rx_data();
734
ret = process_data();
738
printf("%s: No data received!\n", __func__);
746
static int thor_func_bind(struct usb_configuration *c, struct usb_function *f)
748
struct usb_gadget *gadget = c->cdev->gadget;
749
struct f_thor *f_thor = func_to_thor(f);
750
struct thor_dev *dev;
755
dev = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*dev));
759
memset(dev, 0, sizeof(*dev));
760
dev->gadget = gadget;
763
debug("%s: usb_configuration: 0x%p usb_function: 0x%p\n",
765
debug("f_thor: 0x%p thor: 0x%p\n", f_thor, dev);
768
/* preallocate control response and buffer */
769
dev->req = usb_ep_alloc_request(gadget->ep0, 0);
774
dev->req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE,
775
gadget->ep0->maxpacket);
776
if (!dev->req->buf) {
781
dev->req->complete = thor_setup_complete;
783
/* DYNAMIC interface numbers assignments */
784
status = usb_interface_id(c, f);
789
thor_downloader_intf_int.bInterfaceNumber = status;
790
thor_downloader_cdc_union.bMasterInterface0 = status;
792
status = usb_interface_id(c, f);
797
thor_downloader_intf_data.bInterfaceNumber = status;
798
thor_downloader_cdc_union.bSlaveInterface0 = status;
800
/* allocate instance-specific endpoints */
801
ep = usb_ep_autoconfig(gadget, &fs_in_desc);
807
if (gadget_is_dualspeed(gadget)) {
808
hs_in_desc.bEndpointAddress =
809
fs_in_desc.bEndpointAddress;
812
dev->in_ep = ep; /* Store IN EP for enabling @ setup */
814
ep = usb_ep_autoconfig(gadget, &fs_out_desc);
820
if (gadget_is_dualspeed(gadget))
821
hs_out_desc.bEndpointAddress =
822
fs_out_desc.bEndpointAddress;
824
dev->out_ep = ep; /* Store OUT EP for enabling @ setup */
826
ep = usb_ep_autoconfig(gadget, &fs_int_desc);
834
if (gadget_is_dualspeed(gadget)) {
835
hs_int_desc.bEndpointAddress =
836
fs_int_desc.bEndpointAddress;
838
f->hs_descriptors = (struct usb_descriptor_header **)
839
&hs_thor_downloader_function;
841
if (!f->hs_descriptors)
845
debug("%s: out_ep:%p out_req:%p\n", __func__,
846
dev->out_ep, dev->out_req);
855
static void free_ep_req(struct usb_ep *ep, struct usb_request *req)
858
usb_ep_free_request(ep, req);
861
static void thor_unbind(struct usb_configuration *c, struct usb_function *f)
863
struct f_thor *f_thor = func_to_thor(f);
864
struct thor_dev *dev = f_thor->dev;
867
memset(thor_func, 0, sizeof(*thor_func));
871
static void thor_func_disable(struct usb_function *f)
873
struct f_thor *f_thor = func_to_thor(f);
874
struct thor_dev *dev = f_thor->dev;
876
debug("%s:\n", __func__);
878
/* Avoid freeing memory when ep is still claimed */
879
if (dev->in_ep->driver_data) {
880
free_ep_req(dev->in_ep, dev->in_req);
881
usb_ep_disable(dev->in_ep);
882
dev->in_ep->driver_data = NULL;
885
if (dev->out_ep->driver_data) {
886
dev->out_req->buf = NULL;
887
usb_ep_free_request(dev->out_ep, dev->out_req);
888
usb_ep_disable(dev->out_ep);
889
dev->out_ep->driver_data = NULL;
892
if (dev->int_ep->driver_data) {
893
usb_ep_disable(dev->int_ep);
894
dev->int_ep->driver_data = NULL;
898
static int thor_eps_setup(struct usb_function *f)
900
struct usb_composite_dev *cdev = f->config->cdev;
901
struct usb_gadget *gadget = cdev->gadget;
902
struct thor_dev *dev = thor_func->dev;
903
struct usb_endpoint_descriptor *d;
904
struct usb_request *req;
909
d = ep_desc(gadget, &hs_in_desc, &fs_in_desc);
910
debug("(d)bEndpointAddress: 0x%x\n", d->bEndpointAddress);
912
result = usb_ep_enable(ep, d);
916
ep->driver_data = cdev; /* claim */
917
req = thor_start_ep(ep);
926
d = ep_desc(gadget, &hs_out_desc, &fs_out_desc);
927
debug("(d)bEndpointAddress: 0x%x\n", d->bEndpointAddress);
929
result = usb_ep_enable(ep, d);
933
ep->driver_data = cdev; /* claim */
934
req = thor_start_ep(ep);
944
ep->driver_data = cdev; /* claim */
950
static int thor_func_set_alt(struct usb_function *f,
951
unsigned intf, unsigned alt)
953
struct thor_dev *dev = thor_func->dev;
956
debug("%s: func: %s intf: %d alt: %d\n",
957
__func__, f->name, intf, alt);
961
debug("ACM INTR interface\n");
964
debug("Communication Data interface\n");
965
result = thor_eps_setup(f);
967
error("%s: EPs setup failed!", __func__);
968
dev->configuration_done = 1;
975
static int thor_func_init(struct usb_configuration *c)
977
struct f_thor *f_thor;
980
debug("%s: cdev: 0x%p\n", __func__, c->cdev);
982
f_thor = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*f_thor));
986
memset(f_thor, 0, sizeof(*f_thor));
988
f_thor->usb_function.name = "f_thor";
989
f_thor->usb_function.bind = thor_func_bind;
990
f_thor->usb_function.unbind = thor_unbind;
991
f_thor->usb_function.setup = thor_func_setup;
992
f_thor->usb_function.set_alt = thor_func_set_alt;
993
f_thor->usb_function.disable = thor_func_disable;
995
status = usb_add_function(c, &f_thor->usb_function);
1002
int thor_add(struct usb_configuration *c)
1004
debug("%s:\n", __func__);
1005
return thor_func_init(c);
1008
DECLARE_GADGET_BIND_CALLBACK(usb_dnl_thor, thor_add);