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usb: dwc3: gadget: Convert epautoconf workaround to match_ep callback
[J-u-boot.git] / drivers / usb / gadget / f_rockusb.c
CommitLineData
83d290c5 1// SPDX-License-Identifier: GPL-2.0+
bf2b72be
EC		 2/*
3 * (C) Copyright 2017
4 *
5 * Eddie Cai <[email protected]>
bf2b72be 6 */
09140113 7#include <command.h>
bf2b72be 8#include <config.h>
7b51b576 9#include <env.h>
bf2b72be 10#include <errno.h>
f7ae49fc 11#include <log.h>
bf2b72be
EC		 12#include <malloc.h>
13#include <memalign.h>
e6f6f9e6 14#include <part.h>
bf2b72be
EC		 15#include <linux/usb/ch9.h>
16#include <linux/usb/gadget.h>
17#include <linux/usb/composite.h>
18#include <linux/compiler.h>
bf2b72be 19#include <g_dnl.h>
15f09a1a 20#include <asm/arch-rockchip/f_rockusb.h>
bf2b72be
EC		 21
22static inline struct f_rockusb *func_to_rockusb(struct usb_function *f)
23{
24 return container_of(f, struct f_rockusb, usb_function);
25}
26
27static struct usb_endpoint_descriptor fs_ep_in = {
28 .bLength = USB_DT_ENDPOINT_SIZE,
29 .bDescriptorType = USB_DT_ENDPOINT,
30 .bEndpointAddress = USB_DIR_IN,
31 .bmAttributes = USB_ENDPOINT_XFER_BULK,
32 .wMaxPacketSize = cpu_to_le16(64),
33};
34
35static struct usb_endpoint_descriptor fs_ep_out = {
36 .bLength = USB_DT_ENDPOINT_SIZE,
37 .bDescriptorType = USB_DT_ENDPOINT,
38 .bEndpointAddress = USB_DIR_OUT,
39 .bmAttributes = USB_ENDPOINT_XFER_BULK,
40 .wMaxPacketSize = cpu_to_le16(64),
41};
42
43static struct usb_endpoint_descriptor hs_ep_in = {
44 .bLength = USB_DT_ENDPOINT_SIZE,
45 .bDescriptorType = USB_DT_ENDPOINT,
46 .bEndpointAddress = USB_DIR_IN,
47 .bmAttributes = USB_ENDPOINT_XFER_BULK,
48 .wMaxPacketSize = cpu_to_le16(512),
49};
50
51static struct usb_endpoint_descriptor hs_ep_out = {
52 .bLength = USB_DT_ENDPOINT_SIZE,
53 .bDescriptorType = USB_DT_ENDPOINT,
54 .bEndpointAddress = USB_DIR_OUT,
55 .bmAttributes = USB_ENDPOINT_XFER_BULK,
56 .wMaxPacketSize = cpu_to_le16(512),
57};
58
59static struct usb_interface_descriptor interface_desc = {
60 .bLength = USB_DT_INTERFACE_SIZE,
61 .bDescriptorType = USB_DT_INTERFACE,
62 .bInterfaceNumber = 0x00,
63 .bAlternateSetting = 0x00,
64 .bNumEndpoints = 0x02,
65 .bInterfaceClass = ROCKUSB_INTERFACE_CLASS,
66 .bInterfaceSubClass = ROCKUSB_INTERFACE_SUB_CLASS,
67 .bInterfaceProtocol = ROCKUSB_INTERFACE_PROTOCOL,
68};
69
70static struct usb_descriptor_header *rkusb_fs_function[] = {
71 (struct usb_descriptor_header *)&interface_desc,
72 (struct usb_descriptor_header *)&fs_ep_in,
73 (struct usb_descriptor_header *)&fs_ep_out,
74};
75
76static struct usb_descriptor_header *rkusb_hs_function[] = {
77 (struct usb_descriptor_header *)&interface_desc,
78 (struct usb_descriptor_header *)&hs_ep_in,
79 (struct usb_descriptor_header *)&hs_ep_out,
80 NULL,
81};
82
83static const char rkusb_name[] = "Rockchip Rockusb";
84
85static struct usb_string rkusb_string_defs[] = {
86 [0].s = rkusb_name,
87 { } /* end of list */
88};
89
90static struct usb_gadget_strings stringtab_rkusb = {
91 .language = 0x0409, /* en-us */
92 .strings = rkusb_string_defs,
93};
94
95static struct usb_gadget_strings *rkusb_strings[] = {
96 &stringtab_rkusb,
97 NULL,
98};
99
100static struct f_rockusb *rockusb_func;
101static void rx_handler_command(struct usb_ep *ep, struct usb_request *req);
102static int rockusb_tx_write_csw(u32 tag, int residue, u8 status, int size);
103
104struct f_rockusb *get_rkusb(void)
105{
106 struct f_rockusb *f_rkusb = rockusb_func;
107
108 if (!f_rkusb) {
109 f_rkusb = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*f_rkusb));
110 if (!f_rkusb)
0234609d 111 return NULL;
bf2b72be
EC		 112
113 rockusb_func = f_rkusb;
114 memset(f_rkusb, 0, sizeof(*f_rkusb));
115 }
116
117 if (!f_rkusb->buf_head) {
118 f_rkusb->buf_head = memalign(CONFIG_SYS_CACHELINE_SIZE,
119 RKUSB_BUF_SIZE);
120 if (!f_rkusb->buf_head)
0234609d 121 return NULL;
bf2b72be
EC		 122
123 f_rkusb->buf = f_rkusb->buf_head;
124 memset(f_rkusb->buf_head, 0, RKUSB_BUF_SIZE);
125 }
126 return f_rkusb;
127}
128
129static struct usb_endpoint_descriptor *rkusb_ep_desc(
130struct usb_gadget *g,
131struct usb_endpoint_descriptor *fs,
132struct usb_endpoint_descriptor *hs)
133{
134 if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
135 return hs;
136 return fs;
137}
138
139static void rockusb_complete(struct usb_ep *ep, struct usb_request *req)
140{
141 int status = req->status;
142
143 if (!status)
144 return;
145 debug("status: %d ep '%s' trans: %d\n", status, ep->name, req->actual);
146}
147
148/* config the rockusb device*/
149static int rockusb_bind(struct usb_configuration *c, struct usb_function *f)
150{
151 int id;
152 struct usb_gadget *gadget = c->cdev->gadget;
153 struct f_rockusb *f_rkusb = func_to_rockusb(f);
154 const char *s;
155
156 id = usb_interface_id(c, f);
157 if (id < 0)
158 return id;
159 interface_desc.bInterfaceNumber = id;
160
161 id = usb_string_id(c->cdev);
162 if (id < 0)
163 return id;
164
165 rkusb_string_defs[0].id = id;
166 interface_desc.iInterface = id;
167
168 f_rkusb->in_ep = usb_ep_autoconfig(gadget, &fs_ep_in);
169 if (!f_rkusb->in_ep)
170 return -ENODEV;
171 f_rkusb->in_ep->driver_data = c->cdev;
172
173 f_rkusb->out_ep = usb_ep_autoconfig(gadget, &fs_ep_out);
174 if (!f_rkusb->out_ep)
175 return -ENODEV;
176 f_rkusb->out_ep->driver_data = c->cdev;
177
178 f->descriptors = rkusb_fs_function;
179
180 if (gadget_is_dualspeed(gadget)) {
181 hs_ep_in.bEndpointAddress = fs_ep_in.bEndpointAddress;
182 hs_ep_out.bEndpointAddress = fs_ep_out.bEndpointAddress;
183 f->hs_descriptors = rkusb_hs_function;
184 }
185
186 s = env_get("serial#");
187 if (s)
188 g_dnl_set_serialnumber((char *)s);
189
190 return 0;
191}
192
193static void rockusb_unbind(struct usb_configuration *c, struct usb_function *f)
194{
195 /* clear the configuration*/
196 memset(rockusb_func, 0, sizeof(*rockusb_func));
197}
198
199static void rockusb_disable(struct usb_function *f)
200{
201 struct f_rockusb *f_rkusb = func_to_rockusb(f);
202
203 usb_ep_disable(f_rkusb->out_ep);
204 usb_ep_disable(f_rkusb->in_ep);
205
206 if (f_rkusb->out_req) {
207 free(f_rkusb->out_req->buf);
208 usb_ep_free_request(f_rkusb->out_ep, f_rkusb->out_req);
209 f_rkusb->out_req = NULL;
210 }
211 if (f_rkusb->in_req) {
212 free(f_rkusb->in_req->buf);
213 usb_ep_free_request(f_rkusb->in_ep, f_rkusb->in_req);
214 f_rkusb->in_req = NULL;
215 }
216 if (f_rkusb->buf_head) {
217 free(f_rkusb->buf_head);
218 f_rkusb->buf_head = NULL;
219 f_rkusb->buf = NULL;
220 }
221}
222
223static struct usb_request *rockusb_start_ep(struct usb_ep *ep)
224{
225 struct usb_request *req;
226
227 req = usb_ep_alloc_request(ep, 0);
228 if (!req)
229 return NULL;
230
231 req->length = EP_BUFFER_SIZE;
232 req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE, EP_BUFFER_SIZE);
233 if (!req->buf) {
234 usb_ep_free_request(ep, req);
235 return NULL;
236 }
237 memset(req->buf, 0, req->length);
238
239 return req;
240}
241
242static int rockusb_set_alt(struct usb_function *f, unsigned int interface,
243 unsigned int alt)
244{
245 int ret;
246 struct usb_composite_dev *cdev = f->config->cdev;
247 struct usb_gadget *gadget = cdev->gadget;
248 struct f_rockusb *f_rkusb = func_to_rockusb(f);
249 const struct usb_endpoint_descriptor *d;
250
251 debug("%s: func: %s intf: %d alt: %d\n",
252 __func__, f->name, interface, alt);
253
254 d = rkusb_ep_desc(gadget, &fs_ep_out, &hs_ep_out);
255 ret = usb_ep_enable(f_rkusb->out_ep, d);
256 if (ret) {
257 printf("failed to enable out ep\n");
258 return ret;
259 }
260
261 f_rkusb->out_req = rockusb_start_ep(f_rkusb->out_ep);
262 if (!f_rkusb->out_req) {
263 printf("failed to alloc out req\n");
264 ret = -EINVAL;
265 goto err;
266 }
267 f_rkusb->out_req->complete = rx_handler_command;
268
269 d = rkusb_ep_desc(gadget, &fs_ep_in, &hs_ep_in);
270 ret = usb_ep_enable(f_rkusb->in_ep, d);
271 if (ret) {
272 printf("failed to enable in ep\n");
273 goto err;
274 }
275
276 f_rkusb->in_req = rockusb_start_ep(f_rkusb->in_ep);
277 if (!f_rkusb->in_req) {
278 printf("failed alloc req in\n");
279 ret = -EINVAL;
280 goto err;
281 }
282 f_rkusb->in_req->complete = rockusb_complete;
283
284 ret = usb_ep_queue(f_rkusb->out_ep, f_rkusb->out_req, 0);
285 if (ret)
286 goto err;
287
288 return 0;
289err:
290 rockusb_disable(f);
291 return ret;
292}
293
294static int rockusb_add(struct usb_configuration *c)
295{
296 struct f_rockusb *f_rkusb = get_rkusb();
297 int status;
298
299 debug("%s: cdev: 0x%p\n", __func__, c->cdev);
300
301 f_rkusb->usb_function.name = "f_rockusb";
302 f_rkusb->usb_function.bind = rockusb_bind;
303 f_rkusb->usb_function.unbind = rockusb_unbind;
304 f_rkusb->usb_function.set_alt = rockusb_set_alt;
305 f_rkusb->usb_function.disable = rockusb_disable;
306 f_rkusb->usb_function.strings = rkusb_strings;
307
308 status = usb_add_function(c, &f_rkusb->usb_function);
309 if (status) {
ff52577c 310 free(f_rkusb->buf_head);
bf2b72be 311 free(f_rkusb);
ff52577c 312 rockusb_func = NULL;
bf2b72be
EC		 313 }
314 return status;
315}
316
317void rockusb_dev_init(char *dev_type, int dev_index)
318{
319 struct f_rockusb *f_rkusb = get_rkusb();
320
321 f_rkusb->dev_type = dev_type;
322 f_rkusb->dev_index = dev_index;
323}
324
325DECLARE_GADGET_BIND_CALLBACK(usb_dnl_rockusb, rockusb_add);
326
327static int rockusb_tx_write(const char *buffer, unsigned int buffer_size)
328{
329 struct usb_request *in_req = rockusb_func->in_req;
330 int ret;
331
332 memcpy(in_req->buf, buffer, buffer_size);
333 in_req->length = buffer_size;
e11f9166 334 debug("Transferring 0x%x bytes\n", buffer_size);
bf2b72be
EC		 335 usb_ep_dequeue(rockusb_func->in_ep, in_req);
336 ret = usb_ep_queue(rockusb_func->in_ep, in_req, 0);
337 if (ret)
338 printf("Error %d on queue\n", ret);
339 return 0;
340}
341
342static int rockusb_tx_write_str(const char *buffer)
343{
344 return rockusb_tx_write(buffer, strlen(buffer));
345}
346
347#ifdef DEBUG
348static void printcbw(char *buf)
349{
350 ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
351 sizeof(struct fsg_bulk_cb_wrap));
352
353 memcpy((char *)cbw, buf, USB_BULK_CB_WRAP_LEN);
354
355 debug("cbw: signature:%x\n", cbw->signature);
356 debug("cbw: tag=%x\n", cbw->tag);
357 debug("cbw: data_transfer_length=%d\n", cbw->data_transfer_length);
358 debug("cbw: flags=%x\n", cbw->flags);
359 debug("cbw: lun=%d\n", cbw->lun);
360 debug("cbw: length=%d\n", cbw->length);
361 debug("cbw: ucOperCode=%x\n", cbw->CDB[0]);
362 debug("cbw: ucReserved=%x\n", cbw->CDB[1]);
363 debug("cbw: dwAddress:%x %x %x %x\n", cbw->CDB[5], cbw->CDB[4],
364 cbw->CDB[3], cbw->CDB[2]);
365 debug("cbw: ucReserved2=%x\n", cbw->CDB[6]);
366 debug("cbw: uslength:%x %x\n", cbw->CDB[8], cbw->CDB[7]);
367}
368
369static void printcsw(char *buf)
370{
371 ALLOC_CACHE_ALIGN_BUFFER(struct bulk_cs_wrap, csw,
372 sizeof(struct bulk_cs_wrap));
373 memcpy((char *)csw, buf, USB_BULK_CS_WRAP_LEN);
374 debug("csw: signature:%x\n", csw->signature);
375 debug("csw: tag:%x\n", csw->tag);
376 debug("csw: residue:%x\n", csw->residue);
377 debug("csw: status:%x\n", csw->status);
378}
379#endif
380
381static int rockusb_tx_write_csw(u32 tag, int residue, u8 status, int size)
382{
383 ALLOC_CACHE_ALIGN_BUFFER(struct bulk_cs_wrap, csw,
384 sizeof(struct bulk_cs_wrap));
385 csw->signature = cpu_to_le32(USB_BULK_CS_SIG);
386 csw->tag = tag;
387 csw->residue = cpu_to_be32(residue);
388 csw->status = status;
389#ifdef DEBUG
4f6dc4c8 390 printcsw((char *)csw);
bf2b72be
EC		 391#endif
392 return rockusb_tx_write((char *)csw, size);
393}
394
cad66e32
AP		 395static void tx_handler_send_csw(struct usb_ep *ep, struct usb_request *req)
396{
397 struct f_rockusb *f_rkusb = get_rkusb();
398 int status = req->status;
399
400 if (status)
401 debug("status: %d ep '%s' trans: %d\n",
402 status, ep->name, req->actual);
403
404 /* Return back to default in_req complete function after sending CSW */
405 req->complete = rockusb_complete;
406 rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_GOOD, USB_BULK_CS_WRAP_LEN);
407}
408
bf2b72be
EC		 409static unsigned int rx_bytes_expected(struct usb_ep *ep)
410{
411 struct f_rockusb *f_rkusb = get_rkusb();
412 int rx_remain = f_rkusb->dl_size - f_rkusb->dl_bytes;
413 unsigned int rem;
414 unsigned int maxpacket = ep->maxpacket;
415
416 if (rx_remain <= 0)
417 return 0;
418 else if (rx_remain > EP_BUFFER_SIZE)
419 return EP_BUFFER_SIZE;
420
421 rem = rx_remain % maxpacket;
422 if (rem > 0)
423 rx_remain = rx_remain + (maxpacket - rem);
424
425 return rx_remain;
426}
427
e11f9166
AP		 428/* usb_request complete call back to handle upload image */
429static void tx_handler_ul_image(struct usb_ep *ep, struct usb_request *req)
430{
431 ALLOC_CACHE_ALIGN_BUFFER(char, rbuffer, RKBLOCK_BUF_SIZE);
432 struct f_rockusb *f_rkusb = get_rkusb();
433 struct usb_request *in_req = rockusb_func->in_req;
434 int ret;
435
436 /* Print error status of previous transfer */
437 if (req->status)
438 debug("status: %d ep '%s' trans: %d len %d\n", req->status,
439 ep->name, req->actual, req->length);
440
441 /* On transfer complete reset in_req and feedback host with CSW_GOOD */
442 if (f_rkusb->ul_bytes >= f_rkusb->ul_size) {
443 in_req->length = 0;
444 in_req->complete = rockusb_complete;
445
446 rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_GOOD,
447 USB_BULK_CS_WRAP_LEN);
448 return;
449 }
450
451 /* Proceed with current chunk */
452 unsigned int transfer_size = f_rkusb->ul_size - f_rkusb->ul_bytes;
453
454 if (transfer_size > RKBLOCK_BUF_SIZE)
455 transfer_size = RKBLOCK_BUF_SIZE;
456 /* Read at least one block */
457 unsigned int blkcount = (transfer_size + f_rkusb->desc->blksz - 1) /
458 f_rkusb->desc->blksz;
459
460 debug("ul %x bytes, %x blks, read lba %x, ul_size:%x, ul_bytes:%x, ",
461 transfer_size, blkcount, f_rkusb->lba,
462 f_rkusb->ul_size, f_rkusb->ul_bytes);
463
464 int blks = blk_dread(f_rkusb->desc, f_rkusb->lba, blkcount, rbuffer);
465
466 if (blks != blkcount) {
467 printf("failed reading from device %s: %d\n",
468 f_rkusb->dev_type, f_rkusb->dev_index);
469 rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_FAIL,
470 USB_BULK_CS_WRAP_LEN);
471 return;
472 }
473 f_rkusb->lba += blkcount;
474 f_rkusb->ul_bytes += transfer_size;
475
476 /* Proceed with USB request */
477 memcpy(in_req->buf, rbuffer, transfer_size);
478 in_req->length = transfer_size;
479 in_req->complete = tx_handler_ul_image;
11758a56 480 debug("Uploading 0x%x bytes\n", transfer_size);
e11f9166
AP		 481 usb_ep_dequeue(rockusb_func->in_ep, in_req);
482 ret = usb_ep_queue(rockusb_func->in_ep, in_req, 0);
483 if (ret)
484 printf("Error %d on queue\n", ret);
485}
486
bf2b72be
EC		 487/* usb_request complete call back to handle down load image */
488static void rx_handler_dl_image(struct usb_ep *ep, struct usb_request *req)
489{
490 struct f_rockusb *f_rkusb = get_rkusb();
491 unsigned int transfer_size = 0;
492 const unsigned char *buffer = req->buf;
493 unsigned int buffer_size = req->actual;
494
495 transfer_size = f_rkusb->dl_size - f_rkusb->dl_bytes;
bf2b72be
EC		 496
497 if (req->status != 0) {
498 printf("Bad status: %d\n", req->status);
499 rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_FAIL,
500 USB_BULK_CS_WRAP_LEN);
501 return;
502 }
503
504 if (buffer_size < transfer_size)
505 transfer_size = buffer_size;
506
507 memcpy((void *)f_rkusb->buf, buffer, transfer_size);
508 f_rkusb->dl_bytes += transfer_size;
92c7edae 509 int blks = 0, blkcnt = transfer_size / f_rkusb->desc->blksz;
bf2b72be
EC		 510
511 debug("dl %x bytes, %x blks, write lba %x, dl_size:%x, dl_bytes:%x, ",
512 transfer_size, blkcnt, f_rkusb->lba, f_rkusb->dl_size,
513 f_rkusb->dl_bytes);
514 blks = blk_dwrite(f_rkusb->desc, f_rkusb->lba, blkcnt, f_rkusb->buf);
515 if (blks != blkcnt) {
516 printf("failed writing to device %s: %d\n", f_rkusb->dev_type,
517 f_rkusb->dev_index);
518 rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_FAIL,
519 USB_BULK_CS_WRAP_LEN);
520 return;
521 }
522 f_rkusb->lba += blkcnt;
523
524 /* Check if transfer is done */
525 if (f_rkusb->dl_bytes >= f_rkusb->dl_size) {
526 req->complete = rx_handler_command;
527 req->length = EP_BUFFER_SIZE;
528 f_rkusb->buf = f_rkusb->buf_head;
11758a56 529 debug("transfer 0x%x bytes done\n", f_rkusb->dl_size);
bf2b72be
EC		 530 f_rkusb->dl_size = 0;
531 rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_GOOD,
532 USB_BULK_CS_WRAP_LEN);
533 } else {
534 req->length = rx_bytes_expected(ep);
535 if (f_rkusb->buf == f_rkusb->buf_head)
536 f_rkusb->buf = f_rkusb->buf_head + EP_BUFFER_SIZE;
537 else
538 f_rkusb->buf = f_rkusb->buf_head;
539
92c7edae
AP		 540 debug("remain %x bytes, %lx sectors\n", req->length,
541 req->length / f_rkusb->desc->blksz);
bf2b72be
EC		 542 }
543
544 req->actual = 0;
545 usb_ep_queue(ep, req, 0);
546}
547
548static void cb_test_unit_ready(struct usb_ep *ep, struct usb_request *req)
549{
550 ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
551 sizeof(struct fsg_bulk_cb_wrap));
552
553 memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
554
555 rockusb_tx_write_csw(cbw->tag, cbw->data_transfer_length,
556 CSW_GOOD, USB_BULK_CS_WRAP_LEN);
557}
558
559static void cb_read_storage_id(struct usb_ep *ep, struct usb_request *req)
560{
561 ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
562 sizeof(struct fsg_bulk_cb_wrap));
cad66e32 563 struct f_rockusb *f_rkusb = get_rkusb();
bf2b72be
EC		 564 char emmc_id[] = "EMMC ";
565
566 printf("read storage id\n");
567 memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
cad66e32
AP		 568
569 /* Prepare for sending subsequent CSW_GOOD */
570 f_rkusb->tag = cbw->tag;
571 f_rkusb->in_req->complete = tx_handler_send_csw;
572
bf2b72be 573 rockusb_tx_write_str(emmc_id);
bf2b72be
EC		 574}
575
e4b34a76
AP		 576int __weak rk_get_bootrom_chip_version(unsigned int *chip_info, int size)
577{
578 return 0;
579}
580
581static void cb_get_chip_version(struct usb_ep *ep, struct usb_request *req)
582{
583 ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
584 sizeof(struct fsg_bulk_cb_wrap));
585 struct f_rockusb *f_rkusb = get_rkusb();
586 unsigned int chip_info[4], i;
587
588 memset(chip_info, 0, sizeof(chip_info));
589 rk_get_bootrom_chip_version(chip_info, 4);
590
591 /*
592 * Chip Version is a string saved in BOOTROM address space Little Endian
593 *
594 * Ex for rk3288: 0x33323041 0x32303134 0x30383133 0x56323030
595 * which brings: 320A20140813V200
596 *
597 * Note that memory version do invert MSB/LSB so printing the char
598 * buffer will show: A02341023180002V
599 */
600 printf("read chip version: ");
601 for (i = 0; i < 4; i++) {
602 printf("%c%c%c%c",
603 (chip_info[i] >> 24) & 0xFF,
604 (chip_info[i] >> 16) & 0xFF,
605 (chip_info[i] >> 8) & 0xFF,
606 (chip_info[i] >> 0) & 0xFF);
607 }
608 printf("\n");
609 memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
610
611 /* Prepare for sending subsequent CSW_GOOD */
612 f_rkusb->tag = cbw->tag;
613 f_rkusb->in_req->complete = tx_handler_send_csw;
614
615 rockusb_tx_write((char *)chip_info, sizeof(chip_info));
616}
617
e11f9166
AP		 618static void cb_read_lba(struct usb_ep *ep, struct usb_request *req)
619{
620 ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
621 sizeof(struct fsg_bulk_cb_wrap));
622 struct f_rockusb *f_rkusb = get_rkusb();
623 int sector_count;
624
625 memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
626 sector_count = (int)get_unaligned_be16(&cbw->CDB[7]);
627 f_rkusb->tag = cbw->tag;
628
629 if (!f_rkusb->desc) {
630 char *type = f_rkusb->dev_type;
631 int index = f_rkusb->dev_index;
632
633 f_rkusb->desc = blk_get_dev(type, index);
634 if (!f_rkusb->desc ||
635 f_rkusb->desc->type == DEV_TYPE_UNKNOWN) {
636 printf("invalid device \"%s\", %d\n", type, index);
637 rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_FAIL,
638 USB_BULK_CS_WRAP_LEN);
639 return;
640 }
641 }
642
643 f_rkusb->lba = get_unaligned_be32(&cbw->CDB[2]);
644 f_rkusb->ul_size = sector_count * f_rkusb->desc->blksz;
645 f_rkusb->ul_bytes = 0;
646
647 debug("require read %x bytes, %x sectors from lba %x\n",
648 f_rkusb->ul_size, sector_count, f_rkusb->lba);
649
650 if (f_rkusb->ul_size == 0) {
651 rockusb_tx_write_csw(cbw->tag, cbw->data_transfer_length,
652 CSW_FAIL, USB_BULK_CS_WRAP_LEN);
653 return;
654 }
655
656 /* Start right now sending first chunk */
657 tx_handler_ul_image(ep, req);
658}
659
bf2b72be
EC		 660static void cb_write_lba(struct usb_ep *ep, struct usb_request *req)
661{
662 ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
663 sizeof(struct fsg_bulk_cb_wrap));
664 struct f_rockusb *f_rkusb = get_rkusb();
665 int sector_count;
666
667 memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
668 sector_count = (int)get_unaligned_be16(&cbw->CDB[7]);
92c7edae
AP		 669 f_rkusb->tag = cbw->tag;
670
671 if (!f_rkusb->desc) {
672 char *type = f_rkusb->dev_type;
673 int index = f_rkusb->dev_index;
674
675 f_rkusb->desc = blk_get_dev(type, index);
676 if (!f_rkusb->desc ||
677 f_rkusb->desc->type == DEV_TYPE_UNKNOWN) {
678 printf("invalid device \"%s\", %d\n", type, index);
679 rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_FAIL,
680 USB_BULK_CS_WRAP_LEN);
681 return;
682 }
683 }
684
bf2b72be 685 f_rkusb->lba = get_unaligned_be32(&cbw->CDB[2]);
92c7edae 686 f_rkusb->dl_size = sector_count * f_rkusb->desc->blksz;
bf2b72be 687 f_rkusb->dl_bytes = 0;
92c7edae 688
bf2b72be
EC		 689 debug("require write %x bytes, %x sectors to lba %x\n",
690 f_rkusb->dl_size, sector_count, f_rkusb->lba);
691
692 if (f_rkusb->dl_size == 0) {
693 rockusb_tx_write_csw(cbw->tag, cbw->data_transfer_length,
694 CSW_FAIL, USB_BULK_CS_WRAP_LEN);
695 } else {
696 req->complete = rx_handler_dl_image;
697 req->length = rx_bytes_expected(ep);
698 }
699}
700
f68c8e82
AP		 701static void cb_erase_lba(struct usb_ep *ep, struct usb_request *req)
702{
703 ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
704 sizeof(struct fsg_bulk_cb_wrap));
705 struct f_rockusb *f_rkusb = get_rkusb();
706 int sector_count, lba, blks;
707
708 memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
709 sector_count = (int)get_unaligned_be16(&cbw->CDB[7]);
710 f_rkusb->tag = cbw->tag;
711
712 if (!f_rkusb->desc) {
713 char *type = f_rkusb->dev_type;
714 int index = f_rkusb->dev_index;
715
716 f_rkusb->desc = blk_get_dev(type, index);
717 if (!f_rkusb->desc ||
718 f_rkusb->desc->type == DEV_TYPE_UNKNOWN) {
719 printf("invalid device \"%s\", %d\n", type, index);
720 rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_FAIL,
721 USB_BULK_CS_WRAP_LEN);
722 return;
723 }
724 }
725
726 lba = get_unaligned_be32(&cbw->CDB[2]);
727
728 debug("require erase %x sectors from lba %x\n",
729 sector_count, lba);
730
731 blks = blk_derase(f_rkusb->desc, lba, sector_count);
732 if (blks != sector_count) {
733 printf("failed erasing device %s: %d\n", f_rkusb->dev_type,
734 f_rkusb->dev_index);
735 rockusb_tx_write_csw(f_rkusb->tag,
736 cbw->data_transfer_length, CSW_FAIL,
737 USB_BULK_CS_WRAP_LEN);
738 return;
739 }
740
741 rockusb_tx_write_csw(cbw->tag, cbw->data_transfer_length, CSW_GOOD,
742 USB_BULK_CS_WRAP_LEN);
743}
744
bf2b72be
EC		 745void __weak rkusb_set_reboot_flag(int flag)
746{
747 struct f_rockusb *f_rkusb = get_rkusb();
748
749 printf("rockkusb set reboot flag: %d\n", f_rkusb->reboot_flag);
750}
751
752static void compl_do_reset(struct usb_ep *ep, struct usb_request *req)
753{
754 struct f_rockusb *f_rkusb = get_rkusb();
755
756 rkusb_set_reboot_flag(f_rkusb->reboot_flag);
757 do_reset(NULL, 0, 0, NULL);
758}
759
760static void cb_reboot(struct usb_ep *ep, struct usb_request *req)
761{
762 ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
763 sizeof(struct fsg_bulk_cb_wrap));
764 struct f_rockusb *f_rkusb = get_rkusb();
765
bf2b72be
EC		 766 memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
767 f_rkusb->reboot_flag = cbw->CDB[1];
768 rockusb_func->in_req->complete = compl_do_reset;
769 rockusb_tx_write_csw(cbw->tag, cbw->data_transfer_length, CSW_GOOD,
770 USB_BULK_CS_WRAP_LEN);
771}
772
773static void cb_not_support(struct usb_ep *ep, struct usb_request *req)
774{
775 ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
776 sizeof(struct fsg_bulk_cb_wrap));
777
778 memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
779 printf("Rockusb command %x not support yet\n", cbw->CDB[0]);
780 rockusb_tx_write_csw(cbw->tag, 0, CSW_FAIL, USB_BULK_CS_WRAP_LEN);
781}
782
783static const struct cmd_dispatch_info cmd_dispatch_info[] = {
784 {
785 .cmd = K_FW_TEST_UNIT_READY,
786 .cb = cb_test_unit_ready,
787 },
788 {
789 .cmd = K_FW_READ_FLASH_ID,
790 .cb = cb_read_storage_id,
791 },
792 {
793 .cmd = K_FW_SET_DEVICE_ID,
794 .cb = cb_not_support,
795 },
796 {
797 .cmd = K_FW_TEST_BAD_BLOCK,
798 .cb = cb_not_support,
799 },
800 {
801 .cmd = K_FW_READ_10,
802 .cb = cb_not_support,
803 },
804 {
805 .cmd = K_FW_WRITE_10,
806 .cb = cb_not_support,
807 },
808 {
809 .cmd = K_FW_ERASE_10,
810 .cb = cb_not_support,
811 },
812 {
813 .cmd = K_FW_WRITE_SPARE,
814 .cb = cb_not_support,
815 },
816 {
817 .cmd = K_FW_READ_SPARE,
818 .cb = cb_not_support,
819 },
820 {
821 .cmd = K_FW_ERASE_10_FORCE,
822 .cb = cb_not_support,
823 },
824 {
825 .cmd = K_FW_GET_VERSION,
826 .cb = cb_not_support,
827 },
828 {
829 .cmd = K_FW_LBA_READ_10,
e11f9166 830 .cb = cb_read_lba,
bf2b72be
EC		 831 },
832 {
833 .cmd = K_FW_LBA_WRITE_10,
834 .cb = cb_write_lba,
835 },
836 {
837 .cmd = K_FW_ERASE_SYS_DISK,
838 .cb = cb_not_support,
839 },
840 {
841 .cmd = K_FW_SDRAM_READ_10,
842 .cb = cb_not_support,
843 },
844 {
845 .cmd = K_FW_SDRAM_WRITE_10,
846 .cb = cb_not_support,
847 },
848 {
849 .cmd = K_FW_SDRAM_EXECUTE,
850 .cb = cb_not_support,
851 },
852 {
853 .cmd = K_FW_READ_FLASH_INFO,
854 .cb = cb_not_support,
855 },
856 {
857 .cmd = K_FW_GET_CHIP_VER,
e4b34a76 858 .cb = cb_get_chip_version,
bf2b72be
EC		 859 },
860 {
861 .cmd = K_FW_LOW_FORMAT,
862 .cb = cb_not_support,
863 },
864 {
865 .cmd = K_FW_SET_RESET_FLAG,
866 .cb = cb_not_support,
867 },
868 {
869 .cmd = K_FW_SPI_READ_10,
870 .cb = cb_not_support,
871 },
872 {
873 .cmd = K_FW_SPI_WRITE_10,
874 .cb = cb_not_support,
875 },
f68c8e82
AP		 876 {
877 .cmd = K_FW_LBA_ERASE_10,
878 .cb = cb_erase_lba,
879 },
bf2b72be
EC		 880 {
881 .cmd = K_FW_SESSION,
882 .cb = cb_not_support,
883 },
884 {
885 .cmd = K_FW_RESET,
886 .cb = cb_reboot,
887 },
888};
889
890static void rx_handler_command(struct usb_ep *ep, struct usb_request *req)
891{
892 void (*func_cb)(struct usb_ep *ep, struct usb_request *req) = NULL;
893
894 ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
895 sizeof(struct fsg_bulk_cb_wrap));
896 char *cmdbuf = req->buf;
897 int i;
898
899 if (req->status || req->length == 0)
900 return;
901
902 memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
903#ifdef DEBUG
904 printcbw(req->buf);
905#endif
906
907 for (i = 0; i < ARRAY_SIZE(cmd_dispatch_info); i++) {
908 if (cmd_dispatch_info[i].cmd == cbw->CDB[0]) {
909 func_cb = cmd_dispatch_info[i].cb;
910 break;
911 }
912 }
913
914 if (!func_cb) {
915 printf("unknown command: %s\n", (char *)req->buf);
916 rockusb_tx_write_str("FAILunknown command");
917 } else {
918 if (req->actual < req->length) {
919 u8 *buf = (u8 *)req->buf;
920
921 buf[req->actual] = 0;
922 func_cb(ep, req);
923 } else {
924 puts("buffer overflow\n");
925 rockusb_tx_write_str("FAILbuffer overflow");
926 }
927 }
928
929 *cmdbuf = '\0';
930 req->actual = 0;
931 usb_ep_queue(ep, req, 0);
932}
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