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 void *transfer_buffer
= dfu_get_buf();
210 debug("%s: left: %llu cnt: %d\n", __func__
, left
, cnt
);
213 ret
= dfu_write(dfu_get_entity(alt_setting_num
),
214 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_get_entity(alt_setting_num
),
229 transfer_buffer
, 0, cnt
);
231 error("DFU write failed [%d] cnt: %d", ret
, cnt
);
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 memset(rqt
, 0, sizeof(rqt
));
311 memcpy(rqt
, thor_rx_data_buf
, sizeof(struct rqt_box
));
313 debug("+RQT: %d, %d\n", rqt
->rqt
, rqt
->rqt_data
);
317 ret
= process_rqt_info(rqt
);
320 ret
= process_rqt_cmd(rqt
);
323 ret
= (int) process_rqt_download(rqt
);
326 puts("RQT: UPLOAD not supported!\n");
329 error("unknown request (%d)", rqt
->rqt
);
335 /* ********************************************************** */
336 /* THOR USB Function */
337 /* ********************************************************** */
339 static inline struct usb_endpoint_descriptor
*
340 ep_desc(struct usb_gadget
*g
, struct usb_endpoint_descriptor
*hs
,
341 struct usb_endpoint_descriptor
*fs
)
343 if (gadget_is_dualspeed(g
) && g
->speed
== USB_SPEED_HIGH
)
348 static struct usb_interface_descriptor thor_downloader_intf_data
= {
349 .bLength
= sizeof(thor_downloader_intf_data
),
350 .bDescriptorType
= USB_DT_INTERFACE
,
353 .bInterfaceClass
= USB_CLASS_CDC_DATA
,
356 static struct usb_endpoint_descriptor fs_in_desc
= {
357 .bLength
= USB_DT_ENDPOINT_SIZE
,
358 .bDescriptorType
= USB_DT_ENDPOINT
,
360 .bEndpointAddress
= USB_DIR_IN
,
361 .bmAttributes
= USB_ENDPOINT_XFER_BULK
,
364 static struct usb_endpoint_descriptor fs_out_desc
= {
365 .bLength
= USB_DT_ENDPOINT_SIZE
,
366 .bDescriptorType
= USB_DT_ENDPOINT
,
368 .bEndpointAddress
= USB_DIR_OUT
,
369 .bmAttributes
= USB_ENDPOINT_XFER_BULK
,
372 /* CDC configuration */
373 static struct usb_interface_descriptor thor_downloader_intf_int
= {
374 .bLength
= sizeof(thor_downloader_intf_int
),
375 .bDescriptorType
= USB_DT_INTERFACE
,
378 .bInterfaceClass
= USB_CLASS_COMM
,
379 /* 0x02 Abstract Line Control Model */
380 .bInterfaceSubClass
= USB_CDC_SUBCLASS_ACM
,
381 /* 0x01 Common AT commands */
382 .bInterfaceProtocol
= USB_CDC_ACM_PROTO_AT_V25TER
,
385 static struct usb_cdc_header_desc thor_downloader_cdc_header
= {
386 .bLength
= sizeof(thor_downloader_cdc_header
),
387 .bDescriptorType
= 0x24, /* CS_INTERFACE */
388 .bDescriptorSubType
= 0x00,
392 static struct usb_cdc_call_mgmt_descriptor thor_downloader_cdc_call
= {
393 .bLength
= sizeof(thor_downloader_cdc_call
),
394 .bDescriptorType
= 0x24, /* CS_INTERFACE */
395 .bDescriptorSubType
= 0x01,
396 .bmCapabilities
= 0x00,
397 .bDataInterface
= 0x01,
400 static struct usb_cdc_acm_descriptor thor_downloader_cdc_abstract
= {
401 .bLength
= sizeof(thor_downloader_cdc_abstract
),
402 .bDescriptorType
= 0x24, /* CS_INTERFACE */
403 .bDescriptorSubType
= 0x02,
404 .bmCapabilities
= 0x00,
407 static struct usb_cdc_union_desc thor_downloader_cdc_union
= {
408 .bLength
= sizeof(thor_downloader_cdc_union
),
409 .bDescriptorType
= 0x24, /* CS_INTERFACE */
410 .bDescriptorSubType
= USB_CDC_UNION_TYPE
,
413 static struct usb_endpoint_descriptor fs_int_desc
= {
414 .bLength
= USB_DT_ENDPOINT_SIZE
,
415 .bDescriptorType
= USB_DT_ENDPOINT
,
417 .bEndpointAddress
= 3 | USB_DIR_IN
,
418 .bmAttributes
= USB_ENDPOINT_XFER_INT
,
419 .wMaxPacketSize
= __constant_cpu_to_le16(16),
424 static struct usb_interface_assoc_descriptor
425 thor_iad_descriptor
= {
426 .bLength
= sizeof(thor_iad_descriptor
),
427 .bDescriptorType
= USB_DT_INTERFACE_ASSOCIATION
,
429 .bFirstInterface
= 0,
430 .bInterfaceCount
= 2, /* control + data */
431 .bFunctionClass
= USB_CLASS_COMM
,
432 .bFunctionSubClass
= USB_CDC_SUBCLASS_ACM
,
433 .bFunctionProtocol
= USB_CDC_PROTO_NONE
,
436 static struct usb_endpoint_descriptor hs_in_desc
= {
437 .bLength
= USB_DT_ENDPOINT_SIZE
,
438 .bDescriptorType
= USB_DT_ENDPOINT
,
440 .bmAttributes
= USB_ENDPOINT_XFER_BULK
,
441 .wMaxPacketSize
= __constant_cpu_to_le16(512),
444 static struct usb_endpoint_descriptor hs_out_desc
= {
445 .bLength
= USB_DT_ENDPOINT_SIZE
,
446 .bDescriptorType
= USB_DT_ENDPOINT
,
448 .bmAttributes
= USB_ENDPOINT_XFER_BULK
,
449 .wMaxPacketSize
= __constant_cpu_to_le16(512),
452 static struct usb_endpoint_descriptor hs_int_desc
= {
453 .bLength
= USB_DT_ENDPOINT_SIZE
,
454 .bDescriptorType
= USB_DT_ENDPOINT
,
456 .bmAttributes
= USB_ENDPOINT_XFER_INT
,
457 .wMaxPacketSize
= __constant_cpu_to_le16(16),
462 static struct usb_qualifier_descriptor dev_qualifier
= {
463 .bLength
= sizeof(dev_qualifier
),
464 .bDescriptorType
= USB_DT_DEVICE_QUALIFIER
,
466 .bcdUSB
= __constant_cpu_to_le16(0x0200),
467 .bDeviceClass
= USB_CLASS_VENDOR_SPEC
,
469 .bNumConfigurations
= 2,
473 * This attribute vendor descriptor is necessary for correct operation with
474 * Windows version of THOR download program
476 * It prevents windows driver from sending zero lenght packet (ZLP) after
477 * each THOR_PACKET_SIZE. This assures consistent behaviour with libusb
479 static struct usb_cdc_attribute_vendor_descriptor thor_downloader_cdc_av
= {
480 .bLength
= sizeof(thor_downloader_cdc_av
),
481 .bDescriptorType
= 0x24,
482 .bDescriptorSubType
= 0x80,
488 static const struct usb_descriptor_header
*hs_thor_downloader_function
[] = {
489 (struct usb_descriptor_header
*)&thor_iad_descriptor
,
491 (struct usb_descriptor_header
*)&thor_downloader_intf_int
,
492 (struct usb_descriptor_header
*)&thor_downloader_cdc_header
,
493 (struct usb_descriptor_header
*)&thor_downloader_cdc_call
,
494 (struct usb_descriptor_header
*)&thor_downloader_cdc_abstract
,
495 (struct usb_descriptor_header
*)&thor_downloader_cdc_union
,
496 (struct usb_descriptor_header
*)&hs_int_desc
,
498 (struct usb_descriptor_header
*)&thor_downloader_intf_data
,
499 (struct usb_descriptor_header
*)&thor_downloader_cdc_av
,
500 (struct usb_descriptor_header
*)&hs_in_desc
,
501 (struct usb_descriptor_header
*)&hs_out_desc
,
505 /*-------------------------------------------------------------------------*/
506 static struct usb_request
*alloc_ep_req(struct usb_ep
*ep
, unsigned length
)
508 struct usb_request
*req
;
510 req
= usb_ep_alloc_request(ep
, 0);
514 req
->length
= length
;
515 req
->buf
= memalign(CONFIG_SYS_CACHELINE_SIZE
, length
);
517 usb_ep_free_request(ep
, req
);
524 static int thor_rx_data(void)
526 struct thor_dev
*dev
= thor_func
->dev
;
527 int data_to_rx
, tmp
, status
;
529 data_to_rx
= dev
->out_req
->length
;
532 dev
->out_req
->length
= data_to_rx
;
533 debug("dev->out_req->length:%d dev->rxdata:%d\n",
534 dev
->out_req
->length
, dev
->rxdata
);
536 status
= usb_ep_queue(dev
->out_ep
, dev
->out_req
, 0);
538 error("kill %s: resubmit %d bytes --> %d",
539 dev
->out_ep
->name
, dev
->out_req
->length
, status
);
540 usb_ep_set_halt(dev
->out_ep
);
544 while (!dev
->rxdata
) {
545 usb_gadget_handle_interrupts();
550 data_to_rx
-= dev
->out_req
->actual
;
551 } while (data_to_rx
);
556 static void thor_tx_data(unsigned char *data
, int len
)
558 struct thor_dev
*dev
= thor_func
->dev
;
559 unsigned char *ptr
= dev
->in_req
->buf
;
563 memcpy(ptr
, data
, len
);
565 dev
->in_req
->length
= len
;
567 debug("%s: dev->in_req->length:%d to_cpy:%d\n", __func__
,
568 dev
->in_req
->length
, sizeof(data
));
570 status
= usb_ep_queue(dev
->in_ep
, dev
->in_req
, 0);
572 error("kill %s: resubmit %d bytes --> %d",
573 dev
->in_ep
->name
, dev
->in_req
->length
, status
);
574 usb_ep_set_halt(dev
->in_ep
);
577 /* Wait until tx interrupt received */
579 usb_gadget_handle_interrupts();
584 static void thor_rx_tx_complete(struct usb_ep
*ep
, struct usb_request
*req
)
586 struct thor_dev
*dev
= thor_func
->dev
;
587 int status
= req
->status
;
589 debug("%s: ep_ptr:%p, req_ptr:%p\n", __func__
, ep
, req
);
592 if (ep
== dev
->out_ep
)
599 /* this endpoint is normally active while we're configured */
600 case -ECONNABORTED
: /* hardware forced ep reset */
601 case -ECONNRESET
: /* request dequeued */
602 case -ESHUTDOWN
: /* disconnect from host */
603 case -EREMOTEIO
: /* short read */
605 error("ERROR:%d", status
);
609 debug("%s complete --> %d, %d/%d\n", ep
->name
,
610 status
, req
->actual
, req
->length
);
613 static struct usb_request
*thor_start_ep(struct usb_ep
*ep
)
615 struct usb_request
*req
;
617 req
= alloc_ep_req(ep
, ep
->maxpacket
);
618 debug("%s: ep:%p req:%p\n", __func__
, ep
, req
);
623 memset(req
->buf
, 0, req
->length
);
624 req
->complete
= thor_rx_tx_complete
;
626 memset(req
->buf
, 0x55, req
->length
);
631 static void thor_setup_complete(struct usb_ep
*ep
, struct usb_request
*req
)
633 if (req
->status
|| req
->actual
!= req
->length
)
634 debug("setup complete --> %d, %d/%d\n",
635 req
->status
, req
->actual
, req
->length
);
639 thor_func_setup(struct usb_function
*f
, const struct usb_ctrlrequest
*ctrl
)
641 struct thor_dev
*dev
= thor_func
->dev
;
642 struct usb_request
*req
= dev
->req
;
643 struct usb_gadget
*gadget
= dev
->gadget
;
646 u16 len
= le16_to_cpu(ctrl
->wLength
);
648 debug("Req_Type: 0x%x Req: 0x%x wValue: 0x%x wIndex: 0x%x wLen: 0x%x\n",
649 ctrl
->bRequestType
, ctrl
->bRequest
, ctrl
->wValue
, ctrl
->wIndex
,
652 switch (ctrl
->bRequest
) {
653 case USB_CDC_REQ_SET_CONTROL_LINE_STATE
:
656 case USB_CDC_REQ_SET_LINE_CODING
:
658 /* Line Coding set done = configuration done */
659 thor_func
->dev
->configuration_done
= 1;
663 error("thor_setup: unknown request: %d", ctrl
->bRequest
);
668 req
->zero
= value
< len
;
669 value
= usb_ep_queue(gadget
->ep0
, req
, 0);
671 debug("%s: ep_queue: %d\n", __func__
, value
);
679 /* Specific to the THOR protocol */
680 static void thor_set_dma(void *addr
, int len
)
682 struct thor_dev
*dev
= thor_func
->dev
;
684 debug("in_req:%p, out_req:%p\n", dev
->in_req
, dev
->out_req
);
685 debug("addr:%p, len:%d\n", addr
, len
);
687 dev
->out_req
->buf
= addr
;
688 dev
->out_req
->length
= len
;
693 struct thor_dev
*dev
= thor_func
->dev
;
695 /* Wait for a device enumeration and configuration settings */
696 debug("THOR enumeration/configuration setting....\n");
697 while (!dev
->configuration_done
)
698 usb_gadget_handle_interrupts();
700 thor_set_dma(thor_rx_data_buf
, strlen("THOR"));
701 /* detect the download request from Host PC */
702 if (thor_rx_data() < 0) {
703 printf("%s: Data not received!\n", __func__
);
707 if (!strncmp((char *)thor_rx_data_buf
, "THOR", strlen("THOR"))) {
708 puts("Download request from the Host PC\n");
709 udelay(30 * 1000); /* 30 ms */
711 strcpy((char *)thor_tx_data_buf
, "ROHT");
712 thor_tx_data(thor_tx_data_buf
, strlen("ROHT"));
714 puts("Wrong reply information\n");
721 int thor_handle(void)
725 /* receive the data from Host PC */
727 thor_set_dma(thor_rx_data_buf
, sizeof(struct rqt_box
));
728 ret
= thor_rx_data();
731 ret
= process_data();
735 printf("%s: No data received!\n", __func__
);
743 static int thor_func_bind(struct usb_configuration
*c
, struct usb_function
*f
)
745 struct usb_gadget
*gadget
= c
->cdev
->gadget
;
746 struct f_thor
*f_thor
= func_to_thor(f
);
747 struct thor_dev
*dev
;
752 dev
= memalign(CONFIG_SYS_CACHELINE_SIZE
, sizeof(*dev
));
756 memset(dev
, 0, sizeof(*dev
));
757 dev
->gadget
= gadget
;
760 debug("%s: usb_configuration: 0x%p usb_function: 0x%p\n",
762 debug("f_thor: 0x%p thor: 0x%p\n", f_thor
, dev
);
765 /* preallocate control response and buffer */
766 dev
->req
= usb_ep_alloc_request(gadget
->ep0
, 0);
771 dev
->req
->buf
= memalign(CONFIG_SYS_CACHELINE_SIZE
,
772 gadget
->ep0
->maxpacket
);
773 if (!dev
->req
->buf
) {
778 dev
->req
->complete
= thor_setup_complete
;
780 /* DYNAMIC interface numbers assignments */
781 status
= usb_interface_id(c
, f
);
786 thor_downloader_intf_int
.bInterfaceNumber
= status
;
787 thor_downloader_cdc_union
.bMasterInterface0
= status
;
789 status
= usb_interface_id(c
, f
);
794 thor_downloader_intf_data
.bInterfaceNumber
= status
;
795 thor_downloader_cdc_union
.bSlaveInterface0
= status
;
797 /* allocate instance-specific endpoints */
798 ep
= usb_ep_autoconfig(gadget
, &fs_in_desc
);
804 if (gadget_is_dualspeed(gadget
)) {
805 hs_in_desc
.bEndpointAddress
=
806 fs_in_desc
.bEndpointAddress
;
809 dev
->in_ep
= ep
; /* Store IN EP for enabling @ setup */
811 ep
= usb_ep_autoconfig(gadget
, &fs_out_desc
);
817 if (gadget_is_dualspeed(gadget
))
818 hs_out_desc
.bEndpointAddress
=
819 fs_out_desc
.bEndpointAddress
;
821 dev
->out_ep
= ep
; /* Store OUT EP for enabling @ setup */
823 ep
= usb_ep_autoconfig(gadget
, &fs_int_desc
);
831 if (gadget_is_dualspeed(gadget
)) {
832 hs_int_desc
.bEndpointAddress
=
833 fs_int_desc
.bEndpointAddress
;
835 f
->hs_descriptors
= (struct usb_descriptor_header
**)
836 &hs_thor_downloader_function
;
838 if (!f
->hs_descriptors
)
842 debug("%s: out_ep:%p out_req:%p\n", __func__
,
843 dev
->out_ep
, dev
->out_req
);
852 static void free_ep_req(struct usb_ep
*ep
, struct usb_request
*req
)
855 usb_ep_free_request(ep
, req
);
858 static void thor_unbind(struct usb_configuration
*c
, struct usb_function
*f
)
860 struct f_thor
*f_thor
= func_to_thor(f
);
861 struct thor_dev
*dev
= f_thor
->dev
;
864 memset(thor_func
, 0, sizeof(*thor_func
));
868 static void thor_func_disable(struct usb_function
*f
)
870 struct f_thor
*f_thor
= func_to_thor(f
);
871 struct thor_dev
*dev
= f_thor
->dev
;
873 debug("%s:\n", __func__
);
875 /* Avoid freeing memory when ep is still claimed */
876 if (dev
->in_ep
->driver_data
) {
877 free_ep_req(dev
->in_ep
, dev
->in_req
);
878 usb_ep_disable(dev
->in_ep
);
879 dev
->in_ep
->driver_data
= NULL
;
882 if (dev
->out_ep
->driver_data
) {
883 dev
->out_req
->buf
= NULL
;
884 usb_ep_free_request(dev
->out_ep
, dev
->out_req
);
885 usb_ep_disable(dev
->out_ep
);
886 dev
->out_ep
->driver_data
= NULL
;
889 if (dev
->int_ep
->driver_data
) {
890 usb_ep_disable(dev
->int_ep
);
891 dev
->int_ep
->driver_data
= NULL
;
895 static int thor_eps_setup(struct usb_function
*f
)
897 struct usb_composite_dev
*cdev
= f
->config
->cdev
;
898 struct usb_gadget
*gadget
= cdev
->gadget
;
899 struct thor_dev
*dev
= thor_func
->dev
;
900 struct usb_endpoint_descriptor
*d
;
901 struct usb_request
*req
;
906 d
= ep_desc(gadget
, &hs_in_desc
, &fs_in_desc
);
907 debug("(d)bEndpointAddress: 0x%x\n", d
->bEndpointAddress
);
909 result
= usb_ep_enable(ep
, d
);
913 ep
->driver_data
= cdev
; /* claim */
914 req
= thor_start_ep(ep
);
923 d
= ep_desc(gadget
, &hs_out_desc
, &fs_out_desc
);
924 debug("(d)bEndpointAddress: 0x%x\n", d
->bEndpointAddress
);
926 result
= usb_ep_enable(ep
, d
);
930 ep
->driver_data
= cdev
; /* claim */
931 req
= thor_start_ep(ep
);
941 ep
->driver_data
= cdev
; /* claim */
947 static int thor_func_set_alt(struct usb_function
*f
,
948 unsigned intf
, unsigned alt
)
950 struct thor_dev
*dev
= thor_func
->dev
;
953 debug("%s: func: %s intf: %d alt: %d\n",
954 __func__
, f
->name
, intf
, alt
);
958 debug("ACM INTR interface\n");
961 debug("Communication Data interface\n");
962 result
= thor_eps_setup(f
);
964 error("%s: EPs setup failed!", __func__
);
965 dev
->configuration_done
= 1;
972 static int thor_func_init(struct usb_configuration
*c
)
974 struct f_thor
*f_thor
;
977 debug("%s: cdev: 0x%p\n", __func__
, c
->cdev
);
979 f_thor
= memalign(CONFIG_SYS_CACHELINE_SIZE
, sizeof(*f_thor
));
983 memset(f_thor
, 0, sizeof(*f_thor
));
985 f_thor
->usb_function
.name
= "f_thor";
986 f_thor
->usb_function
.bind
= thor_func_bind
;
987 f_thor
->usb_function
.unbind
= thor_unbind
;
988 f_thor
->usb_function
.setup
= thor_func_setup
;
989 f_thor
->usb_function
.set_alt
= thor_func_set_alt
;
990 f_thor
->usb_function
.disable
= thor_func_disable
;
992 status
= usb_add_function(c
, &f_thor
->usb_function
);
999 int thor_add(struct usb_configuration
*c
)
1001 debug("%s:\n", __func__
);
1002 return thor_func_init(c
);