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+
24 #include <linux/usb/ch9.h>
25 #include <linux/usb/gadget.h>
26 #include <linux/usb/composite.h>
27 #include <linux/usb/cdc.h>
33 static void thor_tx_data(unsigned char *data
, int len
);
34 static void thor_set_dma(void *addr
, int len
);
35 static int thor_rx_data(void);
37 static struct f_thor
*thor_func
;
38 static inline struct f_thor
*func_to_thor(struct usb_function
*f
)
40 return container_of(f
, struct f_thor
, usb_function
);
43 DEFINE_CACHE_ALIGN_BUFFER(unsigned char, thor_tx_data_buf
,
44 sizeof(struct rsp_box
));
45 DEFINE_CACHE_ALIGN_BUFFER(unsigned char, thor_rx_data_buf
,
46 sizeof(struct rqt_box
));
48 /* ********************************************************** */
49 /* THOR protocol - transmission handling */
50 /* ********************************************************** */
51 DEFINE_CACHE_ALIGN_BUFFER(char, f_name
, F_NAME_BUF_SIZE
);
52 static unsigned long long int thor_file_size
;
53 static int alt_setting_num
;
55 static void send_rsp(const struct rsp_box
*rsp
)
57 memcpy(thor_tx_data_buf
, rsp
, sizeof(struct rsp_box
));
58 thor_tx_data(thor_tx_data_buf
, sizeof(struct rsp_box
));
60 debug("-RSP: %d, %d\n", rsp
->rsp
, rsp
->rsp_data
);
63 static void send_data_rsp(s32 ack
, s32 count
)
65 ALLOC_CACHE_ALIGN_BUFFER(struct data_rsp_box
, rsp
,
66 sizeof(struct data_rsp_box
));
71 memcpy(thor_tx_data_buf
, rsp
, sizeof(struct data_rsp_box
));
72 thor_tx_data(thor_tx_data_buf
, sizeof(struct data_rsp_box
));
74 debug("-DATA RSP: %d, %d\n", ack
, count
);
77 static int process_rqt_info(const struct rqt_box
*rqt
)
79 ALLOC_CACHE_ALIGN_BUFFER(struct rsp_box
, rsp
, sizeof(struct rsp_box
));
80 memset(rsp
, 0, sizeof(struct rsp_box
));
83 rsp
->rsp_data
= rqt
->rqt_data
;
85 switch (rqt
->rqt_data
) {
86 case RQT_INFO_VER_PROTOCOL
:
87 rsp
->int_data
[0] = VER_PROTOCOL_MAJOR
;
88 rsp
->int_data
[1] = VER_PROTOCOL_MINOR
;
91 snprintf(rsp
->str_data
[0], sizeof(rsp
->str_data
[0]),
94 case RQT_INIT_VER_BOOT
:
95 sprintf(rsp
->str_data
[0], "%s", U_BOOT_VERSION
);
97 case RQT_INIT_VER_KERNEL
:
98 sprintf(rsp
->str_data
[0], "%s", "k unknown");
100 case RQT_INIT_VER_PLATFORM
:
101 sprintf(rsp
->str_data
[0], "%s", "p unknown");
103 case RQT_INIT_VER_CSC
:
104 sprintf(rsp
->str_data
[0], "%s", "c unknown");
114 static int process_rqt_cmd(const struct rqt_box
*rqt
)
116 ALLOC_CACHE_ALIGN_BUFFER(struct rsp_box
, rsp
, sizeof(struct rsp_box
));
117 memset(rsp
, 0, sizeof(struct rsp_box
));
120 rsp
->rsp_data
= rqt
->rqt_data
;
122 switch (rqt
->rqt_data
) {
124 debug("TARGET RESET\n");
128 #ifdef CONFIG_THOR_RESET_OFF
131 run_command("reset", 0);
133 case RQT_CMD_POWEROFF
:
134 case RQT_CMD_EFSCLEAR
:
137 printf("Command not supported -> cmd: %d\n", rqt
->rqt_data
);
144 static long long int download_head(unsigned long long total
,
145 unsigned int packet_size
,
149 long long int rcv_cnt
= 0, left_to_rcv
, ret_rcv
;
150 struct dfu_entity
*dfu_entity
= dfu_get_entity(alt_setting_num
);
151 void *transfer_buffer
= dfu_get_buf(dfu_entity
);
152 void *buf
= transfer_buffer
;
153 int usb_pkt_cnt
= 0, ret
;
156 * Files smaller than THOR_STORE_UNIT_SIZE (now 32 MiB) are stored on
158 * The packet response is sent on the purpose after successful data
159 * chunk write. There is a room for improvement when asynchronous write
162 while (total
- rcv_cnt
>= packet_size
) {
163 thor_set_dma(buf
, packet_size
);
165 ret_rcv
= thor_rx_data();
169 debug("%d: RCV data count: %llu cnt: %d\n", usb_pkt_cnt
,
172 if ((rcv_cnt
% THOR_STORE_UNIT_SIZE
) == 0) {
173 ret
= dfu_write(dfu_get_entity(alt_setting_num
),
174 transfer_buffer
, THOR_STORE_UNIT_SIZE
,
177 pr_err("DFU write failed [%d] cnt: %d",
181 buf
= transfer_buffer
;
183 send_data_rsp(0, ++usb_pkt_cnt
);
186 /* Calculate the amount of data to arrive from PC (in bytes) */
187 left_to_rcv
= total
- rcv_cnt
;
190 * Calculate number of data already received. but not yet stored
191 * on the medium (they are smaller than THOR_STORE_UNIT_SIZE)
193 *left
= left_to_rcv
+ buf
- transfer_buffer
;
194 debug("%s: left: %llu left_to_rcv: %llu buf: 0x%p\n", __func__
,
195 *left
, left_to_rcv
, buf
);
198 thor_set_dma(buf
, packet_size
);
199 ret_rcv
= thor_rx_data();
203 send_data_rsp(0, ++usb_pkt_cnt
);
206 debug("%s: %llu total: %llu cnt: %d\n", __func__
, rcv_cnt
, total
, *cnt
);
211 static int download_tail(long long int left
, int cnt
)
213 struct dfu_entity
*dfu_entity
;
214 void *transfer_buffer
;
217 debug("%s: left: %llu cnt: %d\n", __func__
, left
, cnt
);
219 dfu_entity
= dfu_get_entity(alt_setting_num
);
221 pr_err("Alt setting: %d entity not found!\n", alt_setting_num
);
225 transfer_buffer
= dfu_get_buf(dfu_entity
);
226 if (!transfer_buffer
) {
227 pr_err("Transfer buffer not allocated!");
232 ret
= dfu_write(dfu_entity
, transfer_buffer
, left
, cnt
++);
234 pr_err("DFU write failed [%d]: left: %llu", ret
, left
);
240 * To store last "packet" or write file from buffer to filesystem
241 * DFU storage backend requires dfu_flush
243 * This also frees memory malloc'ed by dfu_get_buf(), so no explicit
244 * need fo call dfu_free_buf() is needed.
246 ret
= dfu_flush(dfu_entity
, transfer_buffer
, 0, cnt
);
248 pr_err("DFU flush failed!");
253 static long long int process_rqt_download(const struct rqt_box
*rqt
)
255 ALLOC_CACHE_ALIGN_BUFFER(struct rsp_box
, rsp
, sizeof(struct rsp_box
));
256 static long long int left
, ret_head
;
257 int file_type
, ret
= 0;
260 memset(rsp
, 0, sizeof(struct rsp_box
));
262 rsp
->rsp_data
= rqt
->rqt_data
;
264 switch (rqt
->rqt_data
) {
266 thor_file_size
= rqt
->int_data
[0];
267 debug("INIT: total %d bytes\n", rqt
->int_data
[0]);
269 case RQT_DL_FILE_INFO
:
270 file_type
= rqt
->int_data
[0];
271 if (file_type
== FILE_TYPE_PIT
) {
272 puts("PIT table file - not supported\n");
273 rsp
->ack
= -ENOTSUPP
;
278 thor_file_size
= rqt
->int_data
[1];
279 memcpy(f_name
, rqt
->str_data
[0], F_NAME_BUF_SIZE
);
281 debug("INFO: name(%s, %d), size(%llu), type(%d)\n",
282 f_name
, 0, thor_file_size
, file_type
);
284 rsp
->int_data
[0] = THOR_PACKET_SIZE
;
286 alt_setting_num
= dfu_get_alt(f_name
);
287 if (alt_setting_num
< 0) {
288 pr_err("Alt setting [%d] to write not found!",
294 case RQT_DL_FILE_START
:
296 ret_head
= download_head(thor_file_size
, THOR_PACKET_SIZE
,
303 case RQT_DL_FILE_END
:
304 debug("DL FILE_END\n");
305 rsp
->ack
= download_tail(left
, cnt
);
314 pr_err("Operation not supported: %d", rqt
->rqt_data
);
322 static int process_data(void)
324 ALLOC_CACHE_ALIGN_BUFFER(struct rqt_box
, rqt
, sizeof(struct rqt_box
));
327 memcpy(rqt
, thor_rx_data_buf
, sizeof(struct rqt_box
));
329 debug("+RQT: %d, %d\n", rqt
->rqt
, rqt
->rqt_data
);
333 ret
= process_rqt_info(rqt
);
336 ret
= process_rqt_cmd(rqt
);
339 ret
= (int) process_rqt_download(rqt
);
342 puts("RQT: UPLOAD not supported!\n");
345 pr_err("unknown request (%d)", rqt
->rqt
);
351 /* ********************************************************** */
352 /* THOR USB Function */
353 /* ********************************************************** */
355 static inline struct usb_endpoint_descriptor
*
356 ep_desc(struct usb_gadget
*g
, struct usb_endpoint_descriptor
*hs
,
357 struct usb_endpoint_descriptor
*fs
)
359 if (gadget_is_dualspeed(g
) && g
->speed
== USB_SPEED_HIGH
)
364 static struct usb_interface_descriptor thor_downloader_intf_data
= {
365 .bLength
= sizeof(thor_downloader_intf_data
),
366 .bDescriptorType
= USB_DT_INTERFACE
,
369 .bInterfaceClass
= USB_CLASS_CDC_DATA
,
372 static struct usb_endpoint_descriptor fs_in_desc
= {
373 .bLength
= USB_DT_ENDPOINT_SIZE
,
374 .bDescriptorType
= USB_DT_ENDPOINT
,
376 .bEndpointAddress
= USB_DIR_IN
,
377 .bmAttributes
= USB_ENDPOINT_XFER_BULK
,
380 static struct usb_endpoint_descriptor fs_out_desc
= {
381 .bLength
= USB_DT_ENDPOINT_SIZE
,
382 .bDescriptorType
= USB_DT_ENDPOINT
,
384 .bEndpointAddress
= USB_DIR_OUT
,
385 .bmAttributes
= USB_ENDPOINT_XFER_BULK
,
388 /* CDC configuration */
389 static struct usb_interface_descriptor thor_downloader_intf_int
= {
390 .bLength
= sizeof(thor_downloader_intf_int
),
391 .bDescriptorType
= USB_DT_INTERFACE
,
394 .bInterfaceClass
= USB_CLASS_COMM
,
395 /* 0x02 Abstract Line Control Model */
396 .bInterfaceSubClass
= USB_CDC_SUBCLASS_ACM
,
397 /* 0x01 Common AT commands */
398 .bInterfaceProtocol
= USB_CDC_ACM_PROTO_AT_V25TER
,
401 static struct usb_cdc_header_desc thor_downloader_cdc_header
= {
402 .bLength
= sizeof(thor_downloader_cdc_header
),
403 .bDescriptorType
= 0x24, /* CS_INTERFACE */
404 .bDescriptorSubType
= 0x00,
408 static struct usb_cdc_call_mgmt_descriptor thor_downloader_cdc_call
= {
409 .bLength
= sizeof(thor_downloader_cdc_call
),
410 .bDescriptorType
= 0x24, /* CS_INTERFACE */
411 .bDescriptorSubType
= 0x01,
412 .bmCapabilities
= 0x00,
413 .bDataInterface
= 0x01,
416 static struct usb_cdc_acm_descriptor thor_downloader_cdc_abstract
= {
417 .bLength
= sizeof(thor_downloader_cdc_abstract
),
418 .bDescriptorType
= 0x24, /* CS_INTERFACE */
419 .bDescriptorSubType
= 0x02,
420 .bmCapabilities
= 0x00,
423 static struct usb_cdc_union_desc thor_downloader_cdc_union
= {
424 .bLength
= sizeof(thor_downloader_cdc_union
),
425 .bDescriptorType
= 0x24, /* CS_INTERFACE */
426 .bDescriptorSubType
= USB_CDC_UNION_TYPE
,
429 static struct usb_endpoint_descriptor fs_int_desc
= {
430 .bLength
= USB_DT_ENDPOINT_SIZE
,
431 .bDescriptorType
= USB_DT_ENDPOINT
,
433 .bEndpointAddress
= 3 | USB_DIR_IN
,
434 .bmAttributes
= USB_ENDPOINT_XFER_INT
,
435 .wMaxPacketSize
= __constant_cpu_to_le16(16),
440 static struct usb_interface_assoc_descriptor
441 thor_iad_descriptor
= {
442 .bLength
= sizeof(thor_iad_descriptor
),
443 .bDescriptorType
= USB_DT_INTERFACE_ASSOCIATION
,
445 .bFirstInterface
= 0,
446 .bInterfaceCount
= 2, /* control + data */
447 .bFunctionClass
= USB_CLASS_COMM
,
448 .bFunctionSubClass
= USB_CDC_SUBCLASS_ACM
,
449 .bFunctionProtocol
= USB_CDC_PROTO_NONE
,
452 static struct usb_endpoint_descriptor hs_in_desc
= {
453 .bLength
= USB_DT_ENDPOINT_SIZE
,
454 .bDescriptorType
= USB_DT_ENDPOINT
,
456 .bmAttributes
= USB_ENDPOINT_XFER_BULK
,
457 .wMaxPacketSize
= __constant_cpu_to_le16(512),
460 static struct usb_endpoint_descriptor hs_out_desc
= {
461 .bLength
= USB_DT_ENDPOINT_SIZE
,
462 .bDescriptorType
= USB_DT_ENDPOINT
,
464 .bmAttributes
= USB_ENDPOINT_XFER_BULK
,
465 .wMaxPacketSize
= __constant_cpu_to_le16(512),
468 static struct usb_endpoint_descriptor hs_int_desc
= {
469 .bLength
= USB_DT_ENDPOINT_SIZE
,
470 .bDescriptorType
= USB_DT_ENDPOINT
,
472 .bmAttributes
= USB_ENDPOINT_XFER_INT
,
473 .wMaxPacketSize
= __constant_cpu_to_le16(16),
479 * This attribute vendor descriptor is necessary for correct operation with
480 * Windows version of THOR download program
482 * It prevents windows driver from sending zero lenght packet (ZLP) after
483 * each THOR_PACKET_SIZE. This assures consistent behaviour with libusb
485 static struct usb_cdc_attribute_vendor_descriptor thor_downloader_cdc_av
= {
486 .bLength
= sizeof(thor_downloader_cdc_av
),
487 .bDescriptorType
= 0x24,
488 .bDescriptorSubType
= 0x80,
494 static const struct usb_descriptor_header
*hs_thor_downloader_function
[] = {
495 (struct usb_descriptor_header
*)&thor_iad_descriptor
,
497 (struct usb_descriptor_header
*)&thor_downloader_intf_int
,
498 (struct usb_descriptor_header
*)&thor_downloader_cdc_header
,
499 (struct usb_descriptor_header
*)&thor_downloader_cdc_call
,
500 (struct usb_descriptor_header
*)&thor_downloader_cdc_abstract
,
501 (struct usb_descriptor_header
*)&thor_downloader_cdc_union
,
502 (struct usb_descriptor_header
*)&hs_int_desc
,
504 (struct usb_descriptor_header
*)&thor_downloader_intf_data
,
505 (struct usb_descriptor_header
*)&thor_downloader_cdc_av
,
506 (struct usb_descriptor_header
*)&hs_in_desc
,
507 (struct usb_descriptor_header
*)&hs_out_desc
,
511 /*-------------------------------------------------------------------------*/
512 static struct usb_request
*alloc_ep_req(struct usb_ep
*ep
, unsigned length
)
514 struct usb_request
*req
;
516 req
= usb_ep_alloc_request(ep
, 0);
520 req
->length
= length
;
521 req
->buf
= memalign(CONFIG_SYS_CACHELINE_SIZE
, length
);
523 usb_ep_free_request(ep
, req
);
530 static int thor_rx_data(void)
532 struct thor_dev
*dev
= thor_func
->dev
;
533 int data_to_rx
, tmp
, status
;
535 data_to_rx
= dev
->out_req
->length
;
538 dev
->out_req
->length
= data_to_rx
;
539 debug("dev->out_req->length:%d dev->rxdata:%d\n",
540 dev
->out_req
->length
, dev
->rxdata
);
542 status
= usb_ep_queue(dev
->out_ep
, dev
->out_req
, 0);
544 pr_err("kill %s: resubmit %d bytes --> %d",
545 dev
->out_ep
->name
, dev
->out_req
->length
, status
);
546 usb_ep_set_halt(dev
->out_ep
);
550 while (!dev
->rxdata
) {
551 usb_gadget_handle_interrupts(0);
556 data_to_rx
-= dev
->out_req
->actual
;
557 } while (data_to_rx
);
562 static void thor_tx_data(unsigned char *data
, int len
)
564 struct thor_dev
*dev
= thor_func
->dev
;
565 unsigned char *ptr
= dev
->in_req
->buf
;
569 memcpy(ptr
, data
, len
);
571 dev
->in_req
->length
= len
;
573 debug("%s: dev->in_req->length:%d to_cpy:%zd\n", __func__
,
574 dev
->in_req
->length
, sizeof(data
));
576 status
= usb_ep_queue(dev
->in_ep
, dev
->in_req
, 0);
578 pr_err("kill %s: resubmit %d bytes --> %d",
579 dev
->in_ep
->name
, dev
->in_req
->length
, status
);
580 usb_ep_set_halt(dev
->in_ep
);
583 /* Wait until tx interrupt received */
585 usb_gadget_handle_interrupts(0);
590 static void thor_rx_tx_complete(struct usb_ep
*ep
, struct usb_request
*req
)
592 struct thor_dev
*dev
= thor_func
->dev
;
593 int status
= req
->status
;
595 debug("%s: ep_ptr:%p, req_ptr:%p\n", __func__
, ep
, req
);
598 if (ep
== dev
->out_ep
)
605 /* this endpoint is normally active while we're configured */
606 case -ECONNABORTED
: /* hardware forced ep reset */
607 case -ECONNRESET
: /* request dequeued */
608 case -ESHUTDOWN
: /* disconnect from host */
609 case -EREMOTEIO
: /* short read */
611 pr_err("ERROR:%d", status
);
615 debug("%s complete --> %d, %d/%d\n", ep
->name
,
616 status
, req
->actual
, req
->length
);
619 static struct usb_request
*thor_start_ep(struct usb_ep
*ep
)
621 struct usb_request
*req
;
623 req
= alloc_ep_req(ep
, THOR_PACKET_SIZE
);
624 debug("%s: ep:%p req:%p\n", __func__
, ep
, req
);
629 memset(req
->buf
, 0, req
->length
);
630 req
->complete
= thor_rx_tx_complete
;
635 static void thor_setup_complete(struct usb_ep
*ep
, struct usb_request
*req
)
637 if (req
->status
|| req
->actual
!= req
->length
)
638 debug("setup complete --> %d, %d/%d\n",
639 req
->status
, req
->actual
, req
->length
);
643 thor_func_setup(struct usb_function
*f
, const struct usb_ctrlrequest
*ctrl
)
645 struct thor_dev
*dev
= thor_func
->dev
;
646 struct usb_request
*req
= dev
->req
;
647 struct usb_gadget
*gadget
= dev
->gadget
;
650 u16 len
= le16_to_cpu(ctrl
->wLength
);
652 debug("Req_Type: 0x%x Req: 0x%x wValue: 0x%x wIndex: 0x%x wLen: 0x%x\n",
653 ctrl
->bRequestType
, ctrl
->bRequest
, ctrl
->wValue
, ctrl
->wIndex
,
656 switch (ctrl
->bRequest
) {
657 case USB_CDC_REQ_SET_CONTROL_LINE_STATE
:
660 case USB_CDC_REQ_SET_LINE_CODING
:
662 /* Line Coding set done = configuration done */
663 thor_func
->dev
->configuration_done
= 1;
667 pr_err("thor_setup: unknown request: %d", ctrl
->bRequest
);
672 req
->zero
= value
< len
;
673 value
= usb_ep_queue(gadget
->ep0
, req
, 0);
675 debug("%s: ep_queue: %d\n", __func__
, value
);
683 /* Specific to the THOR protocol */
684 static void thor_set_dma(void *addr
, int len
)
686 struct thor_dev
*dev
= thor_func
->dev
;
688 debug("in_req:%p, out_req:%p\n", dev
->in_req
, dev
->out_req
);
689 debug("addr:%p, len:%d\n", addr
, len
);
691 dev
->out_req
->buf
= addr
;
692 dev
->out_req
->length
= len
;
697 struct thor_dev
*dev
= thor_func
->dev
;
699 /* Wait for a device enumeration and configuration settings */
700 debug("THOR enumeration/configuration setting....\n");
701 while (!dev
->configuration_done
)
702 usb_gadget_handle_interrupts(0);
704 thor_set_dma(thor_rx_data_buf
, strlen("THOR"));
705 /* detect the download request from Host PC */
706 if (thor_rx_data() < 0) {
707 printf("%s: Data not received!\n", __func__
);
711 if (!strncmp((char *)thor_rx_data_buf
, "THOR", strlen("THOR"))) {
712 puts("Download request from the Host PC\n");
713 udelay(30 * 1000); /* 30 ms */
715 strcpy((char *)thor_tx_data_buf
, "ROHT");
716 thor_tx_data(thor_tx_data_buf
, strlen("ROHT"));
718 puts("Wrong reply information\n");
725 int thor_handle(void)
729 /* receive the data from Host PC */
731 thor_set_dma(thor_rx_data_buf
, sizeof(struct rqt_box
));
732 ret
= thor_rx_data();
735 ret
= process_data();
736 #ifdef CONFIG_THOR_RESET_OFF
737 if (ret
== RESET_DONE
)
743 printf("%s: No data received!\n", __func__
);
751 static int thor_func_bind(struct usb_configuration
*c
, struct usb_function
*f
)
753 struct usb_gadget
*gadget
= c
->cdev
->gadget
;
754 struct f_thor
*f_thor
= func_to_thor(f
);
755 struct thor_dev
*dev
;
760 dev
= memalign(CONFIG_SYS_CACHELINE_SIZE
, sizeof(*dev
));
764 memset(dev
, 0, sizeof(*dev
));
765 dev
->gadget
= gadget
;
768 debug("%s: usb_configuration: 0x%p usb_function: 0x%p\n",
770 debug("f_thor: 0x%p thor: 0x%p\n", f_thor
, dev
);
773 /* preallocate control response and buffer */
774 dev
->req
= usb_ep_alloc_request(gadget
->ep0
, 0);
779 dev
->req
->buf
= memalign(CONFIG_SYS_CACHELINE_SIZE
,
781 if (!dev
->req
->buf
) {
786 dev
->req
->complete
= thor_setup_complete
;
788 /* DYNAMIC interface numbers assignments */
789 status
= usb_interface_id(c
, f
);
794 thor_downloader_intf_int
.bInterfaceNumber
= status
;
795 thor_downloader_cdc_union
.bMasterInterface0
= status
;
797 status
= usb_interface_id(c
, f
);
802 thor_downloader_intf_data
.bInterfaceNumber
= status
;
803 thor_downloader_cdc_union
.bSlaveInterface0
= status
;
805 /* allocate instance-specific endpoints */
806 ep
= usb_ep_autoconfig(gadget
, &fs_in_desc
);
812 if (gadget_is_dualspeed(gadget
)) {
813 hs_in_desc
.bEndpointAddress
=
814 fs_in_desc
.bEndpointAddress
;
817 dev
->in_ep
= ep
; /* Store IN EP for enabling @ setup */
818 ep
->driver_data
= dev
;
820 ep
= usb_ep_autoconfig(gadget
, &fs_out_desc
);
826 if (gadget_is_dualspeed(gadget
))
827 hs_out_desc
.bEndpointAddress
=
828 fs_out_desc
.bEndpointAddress
;
830 dev
->out_ep
= ep
; /* Store OUT EP for enabling @ setup */
831 ep
->driver_data
= dev
;
833 ep
= usb_ep_autoconfig(gadget
, &fs_int_desc
);
840 ep
->driver_data
= dev
;
842 if (gadget_is_dualspeed(gadget
)) {
843 hs_int_desc
.bEndpointAddress
=
844 fs_int_desc
.bEndpointAddress
;
846 f
->hs_descriptors
= (struct usb_descriptor_header
**)
847 &hs_thor_downloader_function
;
849 if (!f
->hs_descriptors
)
853 debug("%s: out_ep:%p out_req:%p\n", __func__
,
854 dev
->out_ep
, dev
->out_req
);
863 static void free_ep_req(struct usb_ep
*ep
, struct usb_request
*req
)
866 usb_ep_free_request(ep
, req
);
869 static void thor_unbind(struct usb_configuration
*c
, struct usb_function
*f
)
871 struct f_thor
*f_thor
= func_to_thor(f
);
872 struct thor_dev
*dev
= f_thor
->dev
;
875 memset(thor_func
, 0, sizeof(*thor_func
));
879 static void thor_func_disable(struct usb_function
*f
)
881 struct f_thor
*f_thor
= func_to_thor(f
);
882 struct thor_dev
*dev
= f_thor
->dev
;
884 debug("%s:\n", __func__
);
886 /* Avoid freeing memory when ep is still claimed */
887 if (dev
->in_ep
->driver_data
) {
888 free_ep_req(dev
->in_ep
, dev
->in_req
);
889 usb_ep_disable(dev
->in_ep
);
890 dev
->in_ep
->driver_data
= NULL
;
893 if (dev
->out_ep
->driver_data
) {
894 free(dev
->out_req
->buf
);
895 dev
->out_req
->buf
= NULL
;
896 usb_ep_free_request(dev
->out_ep
, dev
->out_req
);
897 usb_ep_disable(dev
->out_ep
);
898 dev
->out_ep
->driver_data
= NULL
;
901 if (dev
->int_ep
->driver_data
) {
902 usb_ep_disable(dev
->int_ep
);
903 dev
->int_ep
->driver_data
= NULL
;
907 static int thor_eps_setup(struct usb_function
*f
)
909 struct usb_composite_dev
*cdev
= f
->config
->cdev
;
910 struct usb_gadget
*gadget
= cdev
->gadget
;
911 struct thor_dev
*dev
= thor_func
->dev
;
912 struct usb_endpoint_descriptor
*d
;
913 struct usb_request
*req
;
918 d
= ep_desc(gadget
, &hs_in_desc
, &fs_in_desc
);
919 debug("(d)bEndpointAddress: 0x%x\n", d
->bEndpointAddress
);
921 result
= usb_ep_enable(ep
, d
);
925 ep
->driver_data
= cdev
; /* claim */
926 req
= thor_start_ep(ep
);
935 d
= ep_desc(gadget
, &hs_out_desc
, &fs_out_desc
);
936 debug("(d)bEndpointAddress: 0x%x\n", d
->bEndpointAddress
);
938 result
= usb_ep_enable(ep
, d
);
942 ep
->driver_data
= cdev
; /* claim */
943 req
= thor_start_ep(ep
);
953 ep
->driver_data
= cdev
; /* claim */
959 static int thor_func_set_alt(struct usb_function
*f
,
960 unsigned intf
, unsigned alt
)
962 struct thor_dev
*dev
= thor_func
->dev
;
965 debug("%s: func: %s intf: %d alt: %d\n",
966 __func__
, f
->name
, intf
, alt
);
970 debug("ACM INTR interface\n");
973 debug("Communication Data interface\n");
974 result
= thor_eps_setup(f
);
976 pr_err("%s: EPs setup failed!", __func__
);
977 dev
->configuration_done
= 1;
984 static int thor_func_init(struct usb_configuration
*c
)
986 struct f_thor
*f_thor
;
989 debug("%s: cdev: 0x%p\n", __func__
, c
->cdev
);
991 f_thor
= memalign(CONFIG_SYS_CACHELINE_SIZE
, sizeof(*f_thor
));
995 memset(f_thor
, 0, sizeof(*f_thor
));
997 f_thor
->usb_function
.name
= "f_thor";
998 f_thor
->usb_function
.bind
= thor_func_bind
;
999 f_thor
->usb_function
.unbind
= thor_unbind
;
1000 f_thor
->usb_function
.setup
= thor_func_setup
;
1001 f_thor
->usb_function
.set_alt
= thor_func_set_alt
;
1002 f_thor
->usb_function
.disable
= thor_func_disable
;
1004 status
= usb_add_function(c
, &f_thor
->usb_function
);
1011 int thor_add(struct usb_configuration
*c
)
1013 debug("%s:\n", __func__
);
1014 return thor_func_init(c
);
1017 DECLARE_GADGET_BIND_CALLBACK(usb_dnl_thor
, thor_add
);