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 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
;
151 * Files smaller than THOR_STORE_UNIT_SIZE (now 32 MiB) are stored on
153 * The packet response is sent on the purpose after successful data
154 * chunk write. There is a room for improvement when asynchronous write
157 while (total
- rcv_cnt
>= packet_size
) {
158 thor_set_dma(buf
, packet_size
);
160 ret_rcv
= thor_rx_data();
164 debug("%d: RCV data count: %llu cnt: %d\n", usb_pkt_cnt
,
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
,
172 error("DFU write failed [%d] cnt: %d",
176 buf
= transfer_buffer
;
178 send_data_rsp(0, ++usb_pkt_cnt
);
181 /* Calculate the amount of data to arrive from PC (in bytes) */
182 left_to_rcv
= total
- rcv_cnt
;
185 * Calculate number of data already received. but not yet stored
186 * on the medium (they are smaller than THOR_STORE_UNIT_SIZE)
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
);
193 thor_set_dma(buf
, packet_size
);
194 ret_rcv
= thor_rx_data();
198 send_data_rsp(0, ++usb_pkt_cnt
);
201 debug("%s: %llu total: %llu cnt: %d\n", __func__
, rcv_cnt
, total
, *cnt
);
206 static int download_tail(long long int left
, int cnt
)
208 struct dfu_entity
*dfu_entity
= dfu_get_entity(alt_setting_num
);
209 void *transfer_buffer
= dfu_get_buf(dfu_entity
);
212 debug("%s: left: %llu cnt: %d\n", __func__
, left
, cnt
);
215 ret
= dfu_write(dfu_entity
, transfer_buffer
, left
, cnt
++);
217 error("DFU write failed [%d]: left: %llu", ret
, left
);
223 * To store last "packet" or write file from buffer to filesystem
224 * DFU storage backend requires dfu_flush
226 * This also frees memory malloc'ed by dfu_get_buf(), so no explicit
227 * need fo call dfu_free_buf() is needed.
229 ret
= dfu_flush(dfu_entity
, transfer_buffer
, 0, cnt
);
231 error("DFU flush failed!");
236 static long long int process_rqt_download(const struct rqt_box
*rqt
)
238 ALLOC_CACHE_ALIGN_BUFFER(struct rsp_box
, rsp
, sizeof(struct rsp_box
));
239 static long long int left
, ret_head
;
240 int file_type
, ret
= 0;
243 memset(rsp
, 0, sizeof(struct rsp_box
));
245 rsp
->rsp_data
= rqt
->rqt_data
;
247 switch (rqt
->rqt_data
) {
249 thor_file_size
= rqt
->int_data
[0];
250 debug("INIT: total %d bytes\n", rqt
->int_data
[0]);
252 case RQT_DL_FILE_INFO
:
253 file_type
= rqt
->int_data
[0];
254 if (file_type
== FILE_TYPE_PIT
) {
255 puts("PIT table file - not supported\n");
256 rsp
->ack
= -ENOTSUPP
;
261 thor_file_size
= rqt
->int_data
[1];
262 memcpy(f_name
, rqt
->str_data
[0], F_NAME_BUF_SIZE
);
264 debug("INFO: name(%s, %d), size(%llu), type(%d)\n",
265 f_name
, 0, thor_file_size
, file_type
);
267 rsp
->int_data
[0] = THOR_PACKET_SIZE
;
269 alt_setting_num
= dfu_get_alt(f_name
);
270 if (alt_setting_num
< 0) {
271 error("Alt setting [%d] to write not found!",
277 case RQT_DL_FILE_START
:
279 ret_head
= download_head(thor_file_size
, THOR_PACKET_SIZE
,
286 case RQT_DL_FILE_END
:
287 debug("DL FILE_END\n");
288 rsp
->ack
= download_tail(left
, cnt
);
297 error("Operation not supported: %d", rqt
->rqt_data
);
305 static int process_data(void)
307 ALLOC_CACHE_ALIGN_BUFFER(struct rqt_box
, rqt
, sizeof(struct rqt_box
));
310 memcpy(rqt
, thor_rx_data_buf
, sizeof(struct rqt_box
));
312 debug("+RQT: %d, %d\n", rqt
->rqt
, rqt
->rqt_data
);
316 ret
= process_rqt_info(rqt
);
319 ret
= process_rqt_cmd(rqt
);
322 ret
= (int) process_rqt_download(rqt
);
325 puts("RQT: UPLOAD not supported!\n");
328 error("unknown request (%d)", rqt
->rqt
);
334 /* ********************************************************** */
335 /* THOR USB Function */
336 /* ********************************************************** */
338 static inline struct usb_endpoint_descriptor
*
339 ep_desc(struct usb_gadget
*g
, struct usb_endpoint_descriptor
*hs
,
340 struct usb_endpoint_descriptor
*fs
)
342 if (gadget_is_dualspeed(g
) && g
->speed
== USB_SPEED_HIGH
)
347 static struct usb_interface_descriptor thor_downloader_intf_data
= {
348 .bLength
= sizeof(thor_downloader_intf_data
),
349 .bDescriptorType
= USB_DT_INTERFACE
,
352 .bInterfaceClass
= USB_CLASS_CDC_DATA
,
355 static struct usb_endpoint_descriptor fs_in_desc
= {
356 .bLength
= USB_DT_ENDPOINT_SIZE
,
357 .bDescriptorType
= USB_DT_ENDPOINT
,
359 .bEndpointAddress
= USB_DIR_IN
,
360 .bmAttributes
= USB_ENDPOINT_XFER_BULK
,
363 static struct usb_endpoint_descriptor fs_out_desc
= {
364 .bLength
= USB_DT_ENDPOINT_SIZE
,
365 .bDescriptorType
= USB_DT_ENDPOINT
,
367 .bEndpointAddress
= USB_DIR_OUT
,
368 .bmAttributes
= USB_ENDPOINT_XFER_BULK
,
371 /* CDC configuration */
372 static struct usb_interface_descriptor thor_downloader_intf_int
= {
373 .bLength
= sizeof(thor_downloader_intf_int
),
374 .bDescriptorType
= USB_DT_INTERFACE
,
377 .bInterfaceClass
= USB_CLASS_COMM
,
378 /* 0x02 Abstract Line Control Model */
379 .bInterfaceSubClass
= USB_CDC_SUBCLASS_ACM
,
380 /* 0x01 Common AT commands */
381 .bInterfaceProtocol
= USB_CDC_ACM_PROTO_AT_V25TER
,
384 static struct usb_cdc_header_desc thor_downloader_cdc_header
= {
385 .bLength
= sizeof(thor_downloader_cdc_header
),
386 .bDescriptorType
= 0x24, /* CS_INTERFACE */
387 .bDescriptorSubType
= 0x00,
391 static struct usb_cdc_call_mgmt_descriptor thor_downloader_cdc_call
= {
392 .bLength
= sizeof(thor_downloader_cdc_call
),
393 .bDescriptorType
= 0x24, /* CS_INTERFACE */
394 .bDescriptorSubType
= 0x01,
395 .bmCapabilities
= 0x00,
396 .bDataInterface
= 0x01,
399 static struct usb_cdc_acm_descriptor thor_downloader_cdc_abstract
= {
400 .bLength
= sizeof(thor_downloader_cdc_abstract
),
401 .bDescriptorType
= 0x24, /* CS_INTERFACE */
402 .bDescriptorSubType
= 0x02,
403 .bmCapabilities
= 0x00,
406 static struct usb_cdc_union_desc thor_downloader_cdc_union
= {
407 .bLength
= sizeof(thor_downloader_cdc_union
),
408 .bDescriptorType
= 0x24, /* CS_INTERFACE */
409 .bDescriptorSubType
= USB_CDC_UNION_TYPE
,
412 static struct usb_endpoint_descriptor fs_int_desc
= {
413 .bLength
= USB_DT_ENDPOINT_SIZE
,
414 .bDescriptorType
= USB_DT_ENDPOINT
,
416 .bEndpointAddress
= 3 | USB_DIR_IN
,
417 .bmAttributes
= USB_ENDPOINT_XFER_INT
,
418 .wMaxPacketSize
= __constant_cpu_to_le16(16),
423 static struct usb_interface_assoc_descriptor
424 thor_iad_descriptor
= {
425 .bLength
= sizeof(thor_iad_descriptor
),
426 .bDescriptorType
= USB_DT_INTERFACE_ASSOCIATION
,
428 .bFirstInterface
= 0,
429 .bInterfaceCount
= 2, /* control + data */
430 .bFunctionClass
= USB_CLASS_COMM
,
431 .bFunctionSubClass
= USB_CDC_SUBCLASS_ACM
,
432 .bFunctionProtocol
= USB_CDC_PROTO_NONE
,
435 static struct usb_endpoint_descriptor hs_in_desc
= {
436 .bLength
= USB_DT_ENDPOINT_SIZE
,
437 .bDescriptorType
= USB_DT_ENDPOINT
,
439 .bmAttributes
= USB_ENDPOINT_XFER_BULK
,
440 .wMaxPacketSize
= __constant_cpu_to_le16(512),
443 static struct usb_endpoint_descriptor hs_out_desc
= {
444 .bLength
= USB_DT_ENDPOINT_SIZE
,
445 .bDescriptorType
= USB_DT_ENDPOINT
,
447 .bmAttributes
= USB_ENDPOINT_XFER_BULK
,
448 .wMaxPacketSize
= __constant_cpu_to_le16(512),
451 static struct usb_endpoint_descriptor hs_int_desc
= {
452 .bLength
= USB_DT_ENDPOINT_SIZE
,
453 .bDescriptorType
= USB_DT_ENDPOINT
,
455 .bmAttributes
= USB_ENDPOINT_XFER_INT
,
456 .wMaxPacketSize
= __constant_cpu_to_le16(16),
461 static struct usb_qualifier_descriptor dev_qualifier
= {
462 .bLength
= sizeof(dev_qualifier
),
463 .bDescriptorType
= USB_DT_DEVICE_QUALIFIER
,
465 .bcdUSB
= __constant_cpu_to_le16(0x0200),
466 .bDeviceClass
= USB_CLASS_VENDOR_SPEC
,
468 .bNumConfigurations
= 2,
472 * This attribute vendor descriptor is necessary for correct operation with
473 * Windows version of THOR download program
475 * It prevents windows driver from sending zero lenght packet (ZLP) after
476 * each THOR_PACKET_SIZE. This assures consistent behaviour with libusb
478 static struct usb_cdc_attribute_vendor_descriptor thor_downloader_cdc_av
= {
479 .bLength
= sizeof(thor_downloader_cdc_av
),
480 .bDescriptorType
= 0x24,
481 .bDescriptorSubType
= 0x80,
487 static const struct usb_descriptor_header
*hs_thor_downloader_function
[] = {
488 (struct usb_descriptor_header
*)&thor_iad_descriptor
,
490 (struct usb_descriptor_header
*)&thor_downloader_intf_int
,
491 (struct usb_descriptor_header
*)&thor_downloader_cdc_header
,
492 (struct usb_descriptor_header
*)&thor_downloader_cdc_call
,
493 (struct usb_descriptor_header
*)&thor_downloader_cdc_abstract
,
494 (struct usb_descriptor_header
*)&thor_downloader_cdc_union
,
495 (struct usb_descriptor_header
*)&hs_int_desc
,
497 (struct usb_descriptor_header
*)&thor_downloader_intf_data
,
498 (struct usb_descriptor_header
*)&thor_downloader_cdc_av
,
499 (struct usb_descriptor_header
*)&hs_in_desc
,
500 (struct usb_descriptor_header
*)&hs_out_desc
,
504 /*-------------------------------------------------------------------------*/
505 static struct usb_request
*alloc_ep_req(struct usb_ep
*ep
, unsigned length
)
507 struct usb_request
*req
;
509 req
= usb_ep_alloc_request(ep
, 0);
513 req
->length
= length
;
514 req
->buf
= memalign(CONFIG_SYS_CACHELINE_SIZE
, length
);
516 usb_ep_free_request(ep
, req
);
523 static int thor_rx_data(void)
525 struct thor_dev
*dev
= thor_func
->dev
;
526 int data_to_rx
, tmp
, status
;
528 data_to_rx
= dev
->out_req
->length
;
531 dev
->out_req
->length
= data_to_rx
;
532 debug("dev->out_req->length:%d dev->rxdata:%d\n",
533 dev
->out_req
->length
, dev
->rxdata
);
535 status
= usb_ep_queue(dev
->out_ep
, dev
->out_req
, 0);
537 error("kill %s: resubmit %d bytes --> %d",
538 dev
->out_ep
->name
, dev
->out_req
->length
, status
);
539 usb_ep_set_halt(dev
->out_ep
);
543 while (!dev
->rxdata
) {
544 usb_gadget_handle_interrupts();
549 data_to_rx
-= dev
->out_req
->actual
;
550 } while (data_to_rx
);
555 static void thor_tx_data(unsigned char *data
, int len
)
557 struct thor_dev
*dev
= thor_func
->dev
;
558 unsigned char *ptr
= dev
->in_req
->buf
;
562 memcpy(ptr
, data
, len
);
564 dev
->in_req
->length
= len
;
566 debug("%s: dev->in_req->length:%d to_cpy:%d\n", __func__
,
567 dev
->in_req
->length
, sizeof(data
));
569 status
= usb_ep_queue(dev
->in_ep
, dev
->in_req
, 0);
571 error("kill %s: resubmit %d bytes --> %d",
572 dev
->in_ep
->name
, dev
->in_req
->length
, status
);
573 usb_ep_set_halt(dev
->in_ep
);
576 /* Wait until tx interrupt received */
578 usb_gadget_handle_interrupts();
583 static void thor_rx_tx_complete(struct usb_ep
*ep
, struct usb_request
*req
)
585 struct thor_dev
*dev
= thor_func
->dev
;
586 int status
= req
->status
;
588 debug("%s: ep_ptr:%p, req_ptr:%p\n", __func__
, ep
, req
);
591 if (ep
== dev
->out_ep
)
598 /* this endpoint is normally active while we're configured */
599 case -ECONNABORTED
: /* hardware forced ep reset */
600 case -ECONNRESET
: /* request dequeued */
601 case -ESHUTDOWN
: /* disconnect from host */
602 case -EREMOTEIO
: /* short read */
604 error("ERROR:%d", status
);
608 debug("%s complete --> %d, %d/%d\n", ep
->name
,
609 status
, req
->actual
, req
->length
);
612 static struct usb_request
*thor_start_ep(struct usb_ep
*ep
)
614 struct usb_request
*req
;
616 req
= alloc_ep_req(ep
, THOR_PACKET_SIZE
);
617 debug("%s: ep:%p req:%p\n", __func__
, ep
, req
);
622 memset(req
->buf
, 0, req
->length
);
623 req
->complete
= thor_rx_tx_complete
;
628 static void thor_setup_complete(struct usb_ep
*ep
, struct usb_request
*req
)
630 if (req
->status
|| req
->actual
!= req
->length
)
631 debug("setup complete --> %d, %d/%d\n",
632 req
->status
, req
->actual
, req
->length
);
636 thor_func_setup(struct usb_function
*f
, const struct usb_ctrlrequest
*ctrl
)
638 struct thor_dev
*dev
= thor_func
->dev
;
639 struct usb_request
*req
= dev
->req
;
640 struct usb_gadget
*gadget
= dev
->gadget
;
643 u16 len
= le16_to_cpu(ctrl
->wLength
);
645 debug("Req_Type: 0x%x Req: 0x%x wValue: 0x%x wIndex: 0x%x wLen: 0x%x\n",
646 ctrl
->bRequestType
, ctrl
->bRequest
, ctrl
->wValue
, ctrl
->wIndex
,
649 switch (ctrl
->bRequest
) {
650 case USB_CDC_REQ_SET_CONTROL_LINE_STATE
:
653 case USB_CDC_REQ_SET_LINE_CODING
:
655 /* Line Coding set done = configuration done */
656 thor_func
->dev
->configuration_done
= 1;
660 error("thor_setup: unknown request: %d", ctrl
->bRequest
);
665 req
->zero
= value
< len
;
666 value
= usb_ep_queue(gadget
->ep0
, req
, 0);
668 debug("%s: ep_queue: %d\n", __func__
, value
);
676 /* Specific to the THOR protocol */
677 static void thor_set_dma(void *addr
, int len
)
679 struct thor_dev
*dev
= thor_func
->dev
;
681 debug("in_req:%p, out_req:%p\n", dev
->in_req
, dev
->out_req
);
682 debug("addr:%p, len:%d\n", addr
, len
);
684 dev
->out_req
->buf
= addr
;
685 dev
->out_req
->length
= len
;
690 struct thor_dev
*dev
= thor_func
->dev
;
692 /* Wait for a device enumeration and configuration settings */
693 debug("THOR enumeration/configuration setting....\n");
694 while (!dev
->configuration_done
)
695 usb_gadget_handle_interrupts();
697 thor_set_dma(thor_rx_data_buf
, strlen("THOR"));
698 /* detect the download request from Host PC */
699 if (thor_rx_data() < 0) {
700 printf("%s: Data not received!\n", __func__
);
704 if (!strncmp((char *)thor_rx_data_buf
, "THOR", strlen("THOR"))) {
705 puts("Download request from the Host PC\n");
706 udelay(30 * 1000); /* 30 ms */
708 strcpy((char *)thor_tx_data_buf
, "ROHT");
709 thor_tx_data(thor_tx_data_buf
, strlen("ROHT"));
711 puts("Wrong reply information\n");
718 int thor_handle(void)
722 /* receive the data from Host PC */
724 thor_set_dma(thor_rx_data_buf
, sizeof(struct rqt_box
));
725 ret
= thor_rx_data();
728 ret
= process_data();
732 printf("%s: No data received!\n", __func__
);
740 static int thor_func_bind(struct usb_configuration
*c
, struct usb_function
*f
)
742 struct usb_gadget
*gadget
= c
->cdev
->gadget
;
743 struct f_thor
*f_thor
= func_to_thor(f
);
744 struct thor_dev
*dev
;
749 dev
= memalign(CONFIG_SYS_CACHELINE_SIZE
, sizeof(*dev
));
753 memset(dev
, 0, sizeof(*dev
));
754 dev
->gadget
= gadget
;
757 debug("%s: usb_configuration: 0x%p usb_function: 0x%p\n",
759 debug("f_thor: 0x%p thor: 0x%p\n", f_thor
, dev
);
762 /* preallocate control response and buffer */
763 dev
->req
= usb_ep_alloc_request(gadget
->ep0
, 0);
768 dev
->req
->buf
= memalign(CONFIG_SYS_CACHELINE_SIZE
,
769 gadget
->ep0
->maxpacket
);
770 if (!dev
->req
->buf
) {
775 dev
->req
->complete
= thor_setup_complete
;
777 /* DYNAMIC interface numbers assignments */
778 status
= usb_interface_id(c
, f
);
783 thor_downloader_intf_int
.bInterfaceNumber
= status
;
784 thor_downloader_cdc_union
.bMasterInterface0
= status
;
786 status
= usb_interface_id(c
, f
);
791 thor_downloader_intf_data
.bInterfaceNumber
= status
;
792 thor_downloader_cdc_union
.bSlaveInterface0
= status
;
794 /* allocate instance-specific endpoints */
795 ep
= usb_ep_autoconfig(gadget
, &fs_in_desc
);
801 if (gadget_is_dualspeed(gadget
)) {
802 hs_in_desc
.bEndpointAddress
=
803 fs_in_desc
.bEndpointAddress
;
806 dev
->in_ep
= ep
; /* Store IN EP for enabling @ setup */
808 ep
= usb_ep_autoconfig(gadget
, &fs_out_desc
);
814 if (gadget_is_dualspeed(gadget
))
815 hs_out_desc
.bEndpointAddress
=
816 fs_out_desc
.bEndpointAddress
;
818 dev
->out_ep
= ep
; /* Store OUT EP for enabling @ setup */
820 ep
= usb_ep_autoconfig(gadget
, &fs_int_desc
);
828 if (gadget_is_dualspeed(gadget
)) {
829 hs_int_desc
.bEndpointAddress
=
830 fs_int_desc
.bEndpointAddress
;
832 f
->hs_descriptors
= (struct usb_descriptor_header
**)
833 &hs_thor_downloader_function
;
835 if (!f
->hs_descriptors
)
839 debug("%s: out_ep:%p out_req:%p\n", __func__
,
840 dev
->out_ep
, dev
->out_req
);
849 static void free_ep_req(struct usb_ep
*ep
, struct usb_request
*req
)
852 usb_ep_free_request(ep
, req
);
855 static void thor_unbind(struct usb_configuration
*c
, struct usb_function
*f
)
857 struct f_thor
*f_thor
= func_to_thor(f
);
858 struct thor_dev
*dev
= f_thor
->dev
;
861 memset(thor_func
, 0, sizeof(*thor_func
));
865 static void thor_func_disable(struct usb_function
*f
)
867 struct f_thor
*f_thor
= func_to_thor(f
);
868 struct thor_dev
*dev
= f_thor
->dev
;
870 debug("%s:\n", __func__
);
872 /* Avoid freeing memory when ep is still claimed */
873 if (dev
->in_ep
->driver_data
) {
874 free_ep_req(dev
->in_ep
, dev
->in_req
);
875 usb_ep_disable(dev
->in_ep
);
876 dev
->in_ep
->driver_data
= NULL
;
879 if (dev
->out_ep
->driver_data
) {
880 dev
->out_req
->buf
= NULL
;
881 usb_ep_free_request(dev
->out_ep
, dev
->out_req
);
882 usb_ep_disable(dev
->out_ep
);
883 dev
->out_ep
->driver_data
= NULL
;
886 if (dev
->int_ep
->driver_data
) {
887 usb_ep_disable(dev
->int_ep
);
888 dev
->int_ep
->driver_data
= NULL
;
892 static int thor_eps_setup(struct usb_function
*f
)
894 struct usb_composite_dev
*cdev
= f
->config
->cdev
;
895 struct usb_gadget
*gadget
= cdev
->gadget
;
896 struct thor_dev
*dev
= thor_func
->dev
;
897 struct usb_endpoint_descriptor
*d
;
898 struct usb_request
*req
;
903 d
= ep_desc(gadget
, &hs_in_desc
, &fs_in_desc
);
904 debug("(d)bEndpointAddress: 0x%x\n", d
->bEndpointAddress
);
906 result
= usb_ep_enable(ep
, d
);
910 ep
->driver_data
= cdev
; /* claim */
911 req
= thor_start_ep(ep
);
920 d
= ep_desc(gadget
, &hs_out_desc
, &fs_out_desc
);
921 debug("(d)bEndpointAddress: 0x%x\n", d
->bEndpointAddress
);
923 result
= usb_ep_enable(ep
, d
);
927 ep
->driver_data
= cdev
; /* claim */
928 req
= thor_start_ep(ep
);
938 ep
->driver_data
= cdev
; /* claim */
944 static int thor_func_set_alt(struct usb_function
*f
,
945 unsigned intf
, unsigned alt
)
947 struct thor_dev
*dev
= thor_func
->dev
;
950 debug("%s: func: %s intf: %d alt: %d\n",
951 __func__
, f
->name
, intf
, alt
);
955 debug("ACM INTR interface\n");
958 debug("Communication Data interface\n");
959 result
= thor_eps_setup(f
);
961 error("%s: EPs setup failed!", __func__
);
962 dev
->configuration_done
= 1;
969 static int thor_func_init(struct usb_configuration
*c
)
971 struct f_thor
*f_thor
;
974 debug("%s: cdev: 0x%p\n", __func__
, c
->cdev
);
976 f_thor
= memalign(CONFIG_SYS_CACHELINE_SIZE
, sizeof(*f_thor
));
980 memset(f_thor
, 0, sizeof(*f_thor
));
982 f_thor
->usb_function
.name
= "f_thor";
983 f_thor
->usb_function
.bind
= thor_func_bind
;
984 f_thor
->usb_function
.unbind
= thor_unbind
;
985 f_thor
->usb_function
.setup
= thor_func_setup
;
986 f_thor
->usb_function
.set_alt
= thor_func_set_alt
;
987 f_thor
->usb_function
.disable
= thor_func_disable
;
989 status
= usb_add_function(c
, &f_thor
->usb_function
);
996 int thor_add(struct usb_configuration
*c
)
998 debug("%s:\n", __func__
);
999 return thor_func_init(c
);
1002 DECLARE_GADGET_BIND_CALLBACK(usb_dnl_thor
, thor_add
);