Lines Matching refs:bdc
55 struct bdc *bdc = ep->bdc; in ep_bd_list_free() local
59 dev_dbg(bdc->dev, "%s ep:%s num_tabs:%d\n", in ep_bd_list_free()
63 dev_dbg(bdc->dev, "%s already freed\n", ep->name); in ep_bd_list_free()
73 dev_dbg(bdc->dev, "bd_table:%p index:%d\n", bd_table, index); in ep_bd_list_free()
75 dev_dbg(bdc->dev, "bd_table not allocated\n"); in ep_bd_list_free()
79 dev_dbg(bdc->dev, "bd dma pool not allocated\n"); in ep_bd_list_free()
83 dev_dbg(bdc->dev, in ep_bd_list_free()
88 dma_pool_free(bdc->bd_table_pool, in ep_bd_list_free()
125 struct bdc *bdc = ep->bdc; in ep_bd_list_alloc() local
136 dev_dbg(bdc->dev, in ep_bd_list_alloc()
154 bd_table->start_bd = dma_pool_zalloc(bdc->bd_table_pool, in ep_bd_list_alloc()
164 dev_dbg(bdc->dev, in ep_bd_list_alloc()
219 struct bdc *bdc = ep->bdc; in bd_add_to_bdi() local
225 dev_dbg(bdc->dev, "%s %llx\n", in bd_add_to_bdi()
238 dev_dbg(bdc->dev, "dma_first_bd:%llx dma_last_bd:%llx\n", in bd_add_to_bdi()
247 dev_err(bdc->dev, "%s FATAL err, bd not found\n", __func__); in bd_add_to_bdi()
263 dev_vdbg(ep->bdc->dev, in bdi_to_tbi()
292 struct bdc *bdc = ep->bdc; in bd_available_ep() local
311 dev_vdbg(bdc->dev, "chain_bd1:%d chain_bd2:%d\n", in bd_available_ep()
335 dev_vdbg(bdc->dev, "available_bd:%d\n", available_bd); in bd_available_ep()
341 void bdc_notify_xfr(struct bdc *bdc, u32 epnum) in bdc_notify_xfr() argument
343 struct bdc_ep *ep = bdc->bdc_ep_array[epnum]; in bdc_notify_xfr()
345 dev_vdbg(bdc->dev, "%s epnum:%d\n", __func__, epnum); in bdc_notify_xfr()
353 bdc_writel(bdc->regs, BDC_XSFNTF, epnum); in bdc_notify_xfr()
363 dev_vdbg(ep->bdc->dev, in bdi_to_bd()
384 static int setup_first_bd_ep0(struct bdc *bdc, struct bdc_req *req, u32 *dword3) in setup_first_bd_ep0() argument
391 switch (bdc->ep0_state) { in setup_first_bd_ep0()
394 if (bdc->setup_pkt.bRequestType & USB_DIR_IN) in setup_first_bd_ep0()
398 wValue = le16_to_cpu(bdc->setup_pkt.wValue); in setup_first_bd_ep0()
400 (req_len % bdc->gadget.ep0->maxpacket == 0)) { in setup_first_bd_ep0()
401 dev_dbg(bdc->dev, "ZLP needed wVal:%d len:%d MaxP:%d\n", in setup_first_bd_ep0()
403 bdc->gadget.ep0->maxpacket); in setup_first_bd_ep0()
404 bdc->zlp_needed = true; in setup_first_bd_ep0()
410 if (!le16_to_cpu(bdc->setup_pkt.wLength) || in setup_first_bd_ep0()
411 !(bdc->setup_pkt.bRequestType & USB_DIR_IN)) in setup_first_bd_ep0()
415 dev_err(bdc->dev, in setup_first_bd_ep0()
417 ep0_state_string[bdc->ep0_state]); in setup_first_bd_ep0()
425 static int setup_bd_list_xfr(struct bdc *bdc, struct bdc_req *req, int num_bds) in setup_bd_list_xfr() argument
446 dev_vdbg(bdc->dev, "%s ep:%s num_bds:%d tfs:%d r_len:%d bd:%p\n", in setup_bd_list_xfr()
457 ret = setup_first_bd_ep0(bdc, req, &dword3); in setup_bd_list_xfr()
478 dev_err(bdc->dev, "Err bd pointing to wrong addr\n"); in setup_bd_list_xfr()
490 dev_vdbg(bdc->dev, "buf_add:%08llx req_len:%d bd:%p eqp:%d\n", in setup_bd_list_xfr()
509 static int bdc_queue_xfr(struct bdc *bdc, struct bdc_req *req) in bdc_queue_xfr() argument
516 dev_dbg(bdc->dev, "%s req:%p\n", __func__, req); in bdc_queue_xfr()
517 dev_dbg(bdc->dev, "eqp_bdi:%d hwd_bdi:%d\n", in bdc_queue_xfr()
527 ret = setup_bd_list_xfr(bdc, req, num_bds); in bdc_queue_xfr()
531 bdc_dbg_bd_list(bdc, ep); in bdc_queue_xfr()
532 bdc_notify_xfr(bdc, ep->ep_num); in bdc_queue_xfr()
541 struct bdc *bdc = ep->bdc; in bdc_req_complete() local
546 dev_dbg(bdc->dev, "%s ep:%s status:%d\n", __func__, ep->name, status); in bdc_req_complete()
549 usb_gadget_unmap_request(&bdc->gadget, &req->usb_req, ep->dir); in bdc_req_complete()
551 spin_unlock(&bdc->lock); in bdc_req_complete()
553 spin_lock(&bdc->lock); in bdc_req_complete()
561 struct bdc *bdc; in bdc_ep_disable() local
565 bdc = ep->bdc; in bdc_ep_disable()
566 dev_dbg(bdc->dev, "%s() ep->ep_num=%d\n", __func__, ep->ep_num); in bdc_ep_disable()
568 ret = bdc_stop_ep(bdc, ep->ep_num); in bdc_ep_disable()
581 ret = bdc_dconfig_ep(bdc, ep); in bdc_ep_disable()
583 dev_warn(bdc->dev, in bdc_ep_disable()
604 struct bdc *bdc; in bdc_ep_enable() local
607 bdc = ep->bdc; in bdc_ep_enable()
608 dev_dbg(bdc->dev, "%s NUM_TABLES:%d %d\n", in bdc_ep_enable()
613 dev_err(bdc->dev, "ep bd list allocation failed:%d\n", ret); in bdc_ep_enable()
616 bdc_dbg_bd_list(bdc, ep); in bdc_ep_enable()
622 ret = bdc_config_ep(bdc, ep); in bdc_ep_enable()
638 static int ep0_queue_status_stage(struct bdc *bdc) in ep0_queue_status_stage() argument
643 status_req = &bdc->status_req; in ep0_queue_status_stage()
644 ep = bdc->bdc_ep_array[1]; in ep0_queue_status_stage()
650 bdc_queue_xfr(bdc, status_req); in ep0_queue_status_stage()
658 struct bdc *bdc; in ep0_queue() local
661 bdc = ep->bdc; in ep0_queue()
662 dev_dbg(bdc->dev, "%s()\n", __func__); in ep0_queue()
667 if (bdc->delayed_status) { in ep0_queue()
668 bdc->delayed_status = false; in ep0_queue()
670 if (bdc->ep0_state == WAIT_FOR_STATUS_START) { in ep0_queue()
672 ep0_queue_status_stage(bdc); in ep0_queue()
673 bdc->ep0_state = WAIT_FOR_STATUS_XMIT; in ep0_queue()
686 ret = usb_gadget_map_request(&bdc->gadget, &req->usb_req, ep->dir); in ep0_queue()
688 dev_err(bdc->dev, "dma mapping failed %s\n", ep->name); in ep0_queue()
692 return bdc_queue_xfr(bdc, req); in ep0_queue()
696 static int ep0_queue_data_stage(struct bdc *bdc) in ep0_queue_data_stage() argument
700 dev_dbg(bdc->dev, "%s\n", __func__); in ep0_queue_data_stage()
701 ep = bdc->bdc_ep_array[1]; in ep0_queue_data_stage()
702 bdc->ep0_req.ep = ep; in ep0_queue_data_stage()
703 bdc->ep0_req.usb_req.complete = NULL; in ep0_queue_data_stage()
705 return ep0_queue(ep, &bdc->ep0_req); in ep0_queue_data_stage()
711 struct bdc *bdc; in ep_queue() local
717 bdc = ep->bdc; in ep_queue()
723 ret = usb_gadget_map_request(&bdc->gadget, &req->usb_req, ep->dir); in ep_queue()
725 dev_err(bdc->dev, "dma mapping failed\n"); in ep_queue()
729 return bdc_queue_xfr(bdc, req); in ep_queue()
743 struct bdc *bdc; in ep_dequeue() local
747 bdc = ep->bdc; in ep_dequeue()
757 dev_dbg(bdc->dev, "%s ep:%s start:%d end:%d\n", in ep_dequeue()
759 dev_dbg(bdc->dev, "%s ep=%p ep->desc=%p\n", __func__, in ep_dequeue()
762 if (!(bdc_readl(bdc->regs, BDC_USPC) & BDC_PST_MASK)) { in ep_dequeue()
763 ret = bdc_stop_ep(bdc, ep->ep_num); in ep_dequeue()
776 tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS0); in ep_dequeue()
778 tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS1); in ep_dequeue()
808 dev_dbg(bdc->dev, in ep_dequeue()
810 start_pending, end_pending, bdc->gadget.speed); in ep_dequeue()
820 if (bdc->gadget.speed == USB_SPEED_UNKNOWN) in ep_dequeue()
849 bdc_dbg_bd_list(bdc, ep); in ep_dequeue()
855 ret = bdc_ep_bla(bdc, ep, next_bd_dma); in ep_dequeue()
857 dev_err(bdc->dev, "error in ep_bla:%d\n", ret); in ep_dequeue()
868 struct bdc *bdc; in ep_set_halt() local
871 bdc = ep->bdc; in ep_set_halt()
872 dev_dbg(bdc->dev, "%s ep:%s value=%d\n", __func__, ep->name, value); in ep_set_halt()
875 dev_dbg(bdc->dev, "Halt\n"); in ep_set_halt()
877 bdc->ep0_state = WAIT_FOR_SETUP; in ep_set_halt()
879 ret = bdc_ep_set_stall(bdc, ep->ep_num); in ep_set_halt()
881 dev_err(bdc->dev, "failed to set STALL on %s\n", in ep_set_halt()
887 dev_dbg(bdc->dev, "Before Clear\n"); in ep_set_halt()
888 ret = bdc_ep_clear_stall(bdc, ep->ep_num); in ep_set_halt()
890 dev_err(bdc->dev, "failed to clear STALL on %s\n", in ep_set_halt()
894 dev_dbg(bdc->dev, "After Clear\n"); in ep_set_halt()
901 void bdc_free_ep(struct bdc *bdc) in bdc_free_ep() argument
906 dev_dbg(bdc->dev, "%s\n", __func__); in bdc_free_ep()
907 for (epnum = 1; epnum < bdc->num_eps; epnum++) { in bdc_free_ep()
908 ep = bdc->bdc_ep_array[epnum]; in bdc_free_ep()
924 static int bdc_set_test_mode(struct bdc *bdc) in bdc_set_test_mode() argument
928 usb2_pm = bdc_readl(bdc->regs, BDC_USPPM2); in bdc_set_test_mode()
930 dev_dbg(bdc->dev, "%s\n", __func__); in bdc_set_test_mode()
931 switch (bdc->test_mode) { in bdc_set_test_mode()
937 usb2_pm |= bdc->test_mode << 28; in bdc_set_test_mode()
942 dev_dbg(bdc->dev, "usb2_pm=%08x", usb2_pm); in bdc_set_test_mode()
943 bdc_writel(bdc->regs, BDC_USPPM2, usb2_pm); in bdc_set_test_mode()
952 static void handle_xsr_succ_status(struct bdc *bdc, struct bdc_ep *ep, in handle_xsr_succ_status() argument
966 dev_dbg(bdc->dev, "%s ep:%p\n", __func__, ep); in handle_xsr_succ_status()
967 bdc_dbg_srr(bdc, 0); in handle_xsr_succ_status()
975 dev_warn(bdc->dev, "xfr srr with no BD's queued\n"); in handle_xsr_succ_status()
1000 dev_warn(bdc->dev, "bd doesn't exist?\n"); in handle_xsr_succ_status()
1042 dev_dbg(bdc->dev, in handle_xsr_succ_status()
1051 dev_dbg(bdc->dev, "short xfr on %d\n", ep->ep_num); in handle_xsr_succ_status()
1064 void bdc_xsf_ep0_setup_recv(struct bdc *bdc, struct bdc_sr *sreport) in bdc_xsf_ep0_setup_recv() argument
1069 dev_dbg(bdc->dev, in bdc_xsf_ep0_setup_recv()
1071 __func__, ep0_state_string[bdc->ep0_state]); in bdc_xsf_ep0_setup_recv()
1073 setup_pkt = &bdc->setup_pkt; in bdc_xsf_ep0_setup_recv()
1077 bdc->ep0_state = WAIT_FOR_STATUS_START; in bdc_xsf_ep0_setup_recv()
1079 bdc->ep0_state = WAIT_FOR_DATA_START; in bdc_xsf_ep0_setup_recv()
1082 dev_dbg(bdc->dev, in bdc_xsf_ep0_setup_recv()
1084 __func__, ep0_state_string[bdc->ep0_state]); in bdc_xsf_ep0_setup_recv()
1088 static void ep0_stall(struct bdc *bdc) in ep0_stall() argument
1090 struct bdc_ep *ep = bdc->bdc_ep_array[1]; in ep0_stall()
1093 dev_dbg(bdc->dev, "%s\n", __func__); in ep0_stall()
1094 bdc->delayed_status = false; in ep0_stall()
1106 static int ep0_set_address(struct bdc *bdc, struct usb_ctrlrequest *ctrl) in ep0_set_address() argument
1108 enum usb_device_state state = bdc->gadget.state; in ep0_set_address()
1113 dev_dbg(bdc->dev, in ep0_set_address()
1124 ret = bdc_address_device(bdc, addr); in ep0_set_address()
1129 usb_gadget_set_state(&bdc->gadget, USB_STATE_ADDRESS); in ep0_set_address()
1131 usb_gadget_set_state(&bdc->gadget, USB_STATE_DEFAULT); in ep0_set_address()
1133 bdc->dev_addr = addr; in ep0_set_address()
1136 dev_warn(bdc->dev, in ep0_set_address()
1146 static int ep0_handle_feature_dev(struct bdc *bdc, u16 wValue, in ep0_handle_feature_dev() argument
1149 enum usb_device_state state = bdc->gadget.state; in ep0_handle_feature_dev()
1152 dev_dbg(bdc->dev, "%s set:%d dev state:%d\n", in ep0_handle_feature_dev()
1156 dev_dbg(bdc->dev, "USB_DEVICE_REMOTE_WAKEUP\n"); in ep0_handle_feature_dev()
1158 bdc->devstatus |= REMOTE_WAKE_ENABLE; in ep0_handle_feature_dev()
1160 bdc->devstatus &= ~REMOTE_WAKE_ENABLE; in ep0_handle_feature_dev()
1164 dev_dbg(bdc->dev, "USB_DEVICE_TEST_MODE\n"); in ep0_handle_feature_dev()
1166 (bdc->gadget.speed != USB_SPEED_HIGH) || !set) in ep0_handle_feature_dev()
1169 bdc->test_mode = wIndex >> 8; in ep0_handle_feature_dev()
1173 dev_dbg(bdc->dev, "USB_DEVICE_U1_ENABLE\n"); in ep0_handle_feature_dev()
1175 if (bdc->gadget.speed != USB_SPEED_SUPER || in ep0_handle_feature_dev()
1179 usppms = bdc_readl(bdc->regs, BDC_USPPMS); in ep0_handle_feature_dev()
1185 bdc->devstatus |= (1 << USB_DEV_STAT_U1_ENABLED); in ep0_handle_feature_dev()
1189 bdc->devstatus &= ~(1 << USB_DEV_STAT_U1_ENABLED); in ep0_handle_feature_dev()
1191 bdc_writel(bdc->regs, BDC_USPPMS, usppms); in ep0_handle_feature_dev()
1195 dev_dbg(bdc->dev, "USB_DEVICE_U2_ENABLE\n"); in ep0_handle_feature_dev()
1197 if (bdc->gadget.speed != USB_SPEED_SUPER || in ep0_handle_feature_dev()
1201 usppms = bdc_readl(bdc->regs, BDC_USPPMS); in ep0_handle_feature_dev()
1205 bdc->devstatus |= (1 << USB_DEV_STAT_U2_ENABLED); in ep0_handle_feature_dev()
1209 bdc->devstatus &= ~(1 << USB_DEV_STAT_U2_ENABLED); in ep0_handle_feature_dev()
1211 bdc_writel(bdc->regs, BDC_USPPMS, usppms); in ep0_handle_feature_dev()
1215 dev_dbg(bdc->dev, "USB_DEVICE_LTM_ENABLE?\n"); in ep0_handle_feature_dev()
1216 if (bdc->gadget.speed != USB_SPEED_SUPER || in ep0_handle_feature_dev()
1221 dev_err(bdc->dev, "Unknown wValue:%d\n", wValue); in ep0_handle_feature_dev()
1229 static int ep0_handle_feature(struct bdc *bdc, in ep0_handle_feature() argument
1232 enum usb_device_state state = bdc->gadget.state; in ep0_handle_feature()
1241 dev_dbg(bdc->dev, in ep0_handle_feature()
1244 bdc->gadget.speed, set); in ep0_handle_feature()
1248 return ep0_handle_feature_dev(bdc, wValue, wIndex, set); in ep0_handle_feature()
1250 dev_dbg(bdc->dev, "USB_RECIP_INTERFACE\n"); in ep0_handle_feature()
1257 dev_dbg(bdc->dev, "SET REMOTE_WAKEUP\n"); in ep0_handle_feature()
1258 bdc->devstatus |= REMOTE_WAKE_ENABLE; in ep0_handle_feature()
1260 dev_dbg(bdc->dev, "CLEAR REMOTE_WAKEUP\n"); in ep0_handle_feature()
1261 bdc->devstatus &= ~REMOTE_WAKE_ENABLE; in ep0_handle_feature()
1267 dev_dbg(bdc->dev, "USB_RECIP_ENDPOINT\n"); in ep0_handle_feature()
1286 dev_dbg(bdc->dev, "ep0 stall already cleared\n"); in ep0_handle_feature()
1289 dev_dbg(bdc->dev, "epnum=%d\n", epnum); in ep0_handle_feature()
1290 ep = bdc->bdc_ep_array[epnum]; in ep0_handle_feature()
1296 dev_err(bdc->dev, "Unknown recipient\n"); in ep0_handle_feature()
1304 static int ep0_handle_status(struct bdc *bdc, in ep0_handle_status() argument
1307 enum usb_device_state state = bdc->gadget.state; in ep0_handle_status()
1317 dev_dbg(bdc->dev, "%s\n", __func__); in ep0_handle_status()
1318 usb_status = bdc->devstatus; in ep0_handle_status()
1321 dev_dbg(bdc->dev, in ep0_handle_status()
1323 bdc->devstatus); in ep0_handle_status()
1325 if (bdc->gadget.speed == USB_SPEED_SUPER) in ep0_handle_status()
1330 dev_dbg(bdc->dev, "USB_RECIP_INTERFACE\n"); in ep0_handle_status()
1331 if (bdc->gadget.speed == USB_SPEED_SUPER) { in ep0_handle_status()
1336 if (bdc->devstatus & REMOTE_WAKE_ENABLE) in ep0_handle_status()
1345 dev_dbg(bdc->dev, "USB_RECIP_ENDPOINT\n"); in ep0_handle_status()
1356 ep = bdc->bdc_ep_array[epnum]; in ep0_handle_status()
1358 dev_err(bdc->dev, "ISSUE, GET_STATUS for invalid EP ?"); in ep0_handle_status()
1366 dev_err(bdc->dev, "Unknown recipient for get_status\n"); in ep0_handle_status()
1370 dev_dbg(bdc->dev, "usb_status=%08x\n", usb_status); in ep0_handle_status()
1371 *(__le16 *)bdc->ep0_response_buff = cpu_to_le16(usb_status); in ep0_handle_status()
1372 bdc->ep0_req.usb_req.length = 2; in ep0_handle_status()
1373 bdc->ep0_req.usb_req.buf = &bdc->ep0_response_buff; in ep0_handle_status()
1374 ep0_queue_data_stage(bdc); in ep0_handle_status()
1385 static int ep0_set_sel(struct bdc *bdc, in ep0_set_sel() argument
1391 dev_dbg(bdc->dev, "%s\n", __func__); in ep0_set_sel()
1394 dev_err(bdc->dev, "%s Wrong wLength:%d\n", __func__, wLength); in ep0_set_sel()
1397 ep = bdc->bdc_ep_array[1]; in ep0_set_sel()
1398 bdc->ep0_req.ep = ep; in ep0_set_sel()
1399 bdc->ep0_req.usb_req.length = 6; in ep0_set_sel()
1400 bdc->ep0_req.usb_req.buf = bdc->ep0_response_buff; in ep0_set_sel()
1401 bdc->ep0_req.usb_req.complete = ep0_set_sel_cmpl; in ep0_set_sel()
1402 ep0_queue_data_stage(bdc); in ep0_set_sel()
1411 static int ep0_queue_zlp(struct bdc *bdc) in ep0_queue_zlp() argument
1415 dev_dbg(bdc->dev, "%s\n", __func__); in ep0_queue_zlp()
1416 bdc->ep0_req.ep = bdc->bdc_ep_array[1]; in ep0_queue_zlp()
1417 bdc->ep0_req.usb_req.length = 0; in ep0_queue_zlp()
1418 bdc->ep0_req.usb_req.complete = NULL; in ep0_queue_zlp()
1419 bdc->ep0_state = WAIT_FOR_DATA_START; in ep0_queue_zlp()
1420 ret = bdc_queue_xfr(bdc, &bdc->ep0_req); in ep0_queue_zlp()
1422 dev_err(bdc->dev, "err queueing zlp :%d\n", ret); in ep0_queue_zlp()
1425 bdc->ep0_state = WAIT_FOR_DATA_XMIT; in ep0_queue_zlp()
1431 static int handle_control_request(struct bdc *bdc) in handle_control_request() argument
1433 enum usb_device_state state = bdc->gadget.state; in handle_control_request()
1439 setup_pkt = &bdc->setup_pkt; in handle_control_request()
1440 dev_dbg(bdc->dev, "%s\n", __func__); in handle_control_request()
1444 dev_dbg(bdc->dev, "USB_REQ_SET_ADDRESS\n"); in handle_control_request()
1445 ret = ep0_set_address(bdc, setup_pkt); in handle_control_request()
1446 bdc->devstatus &= DEVSTATUS_CLEAR; in handle_control_request()
1450 dev_dbg(bdc->dev, "USB_REQ_SET_CONFIGURATION\n"); in handle_control_request()
1452 usb_gadget_set_state(&bdc->gadget, in handle_control_request()
1462 &bdc->gadget, in handle_control_request()
1469 dev_dbg(bdc->dev, "USB_REQ_SET_FEATURE\n"); in handle_control_request()
1470 ret = ep0_handle_feature(bdc, setup_pkt, 1); in handle_control_request()
1474 dev_dbg(bdc->dev, "USB_REQ_CLEAR_FEATURE\n"); in handle_control_request()
1475 ret = ep0_handle_feature(bdc, setup_pkt, 0); in handle_control_request()
1479 dev_dbg(bdc->dev, "USB_REQ_GET_STATUS\n"); in handle_control_request()
1480 ret = ep0_handle_status(bdc, setup_pkt); in handle_control_request()
1484 dev_dbg(bdc->dev, "USB_REQ_SET_SEL\n"); in handle_control_request()
1485 ret = ep0_set_sel(bdc, setup_pkt); in handle_control_request()
1489 dev_warn(bdc->dev, in handle_control_request()
1501 spin_unlock(&bdc->lock); in handle_control_request()
1502 ret = bdc->gadget_driver->setup(&bdc->gadget, setup_pkt); in handle_control_request()
1503 spin_lock(&bdc->lock); in handle_control_request()
1510 void bdc_xsf_ep0_data_start(struct bdc *bdc, struct bdc_sr *sreport) in bdc_xsf_ep0_data_start() argument
1515 dev_dbg(bdc->dev, "%s\n", __func__); in bdc_xsf_ep0_data_start()
1516 ep = bdc->bdc_ep_array[1]; in bdc_xsf_ep0_data_start()
1523 if (bdc->ep0_state != WAIT_FOR_DATA_START) in bdc_xsf_ep0_data_start()
1524 dev_warn(bdc->dev, in bdc_xsf_ep0_data_start()
1526 ep0_state_string[bdc->ep0_state]); in bdc_xsf_ep0_data_start()
1528 ret = handle_control_request(bdc); in bdc_xsf_ep0_data_start()
1534 bdc->delayed_status = true; in bdc_xsf_ep0_data_start()
1538 bdc->ep0_state = WAIT_FOR_DATA_XMIT; in bdc_xsf_ep0_data_start()
1539 dev_dbg(bdc->dev, in bdc_xsf_ep0_data_start()
1540 "ep0_state:%s", ep0_state_string[bdc->ep0_state]); in bdc_xsf_ep0_data_start()
1544 ep0_stall(bdc); in bdc_xsf_ep0_data_start()
1548 void bdc_xsf_ep0_status_start(struct bdc *bdc, struct bdc_sr *sreport) in bdc_xsf_ep0_status_start() argument
1554 dev_dbg(bdc->dev, in bdc_xsf_ep0_status_start()
1556 __func__, ep0_state_string[bdc->ep0_state]); in bdc_xsf_ep0_status_start()
1557 ep = bdc->bdc_ep_array[1]; in bdc_xsf_ep0_status_start()
1560 if (bdc->zlp_needed) in bdc_xsf_ep0_status_start()
1561 bdc->zlp_needed = false; in bdc_xsf_ep0_status_start()
1569 if ((bdc->ep0_state != WAIT_FOR_STATUS_START) && in bdc_xsf_ep0_status_start()
1570 (bdc->ep0_state != WAIT_FOR_DATA_XMIT)) in bdc_xsf_ep0_status_start()
1571 dev_err(bdc->dev, in bdc_xsf_ep0_status_start()
1573 ep0_state_string[bdc->ep0_state]); in bdc_xsf_ep0_status_start()
1576 if (bdc->ep0_state == WAIT_FOR_DATA_XMIT) { in bdc_xsf_ep0_status_start()
1577 bdc->ep0_state = STATUS_PENDING; in bdc_xsf_ep0_status_start()
1579 dev_dbg(bdc->dev, in bdc_xsf_ep0_status_start()
1583 setup_pkt = &bdc->setup_pkt; in bdc_xsf_ep0_status_start()
1590 ret = handle_control_request(bdc); in bdc_xsf_ep0_status_start()
1592 bdc->delayed_status = true; in bdc_xsf_ep0_status_start()
1599 ep0_queue_status_stage(bdc); in bdc_xsf_ep0_status_start()
1600 bdc->ep0_state = WAIT_FOR_STATUS_XMIT; in bdc_xsf_ep0_status_start()
1601 dev_dbg(bdc->dev, in bdc_xsf_ep0_status_start()
1602 "ep0_state:%s", ep0_state_string[bdc->ep0_state]); in bdc_xsf_ep0_status_start()
1606 ep0_stall(bdc); in bdc_xsf_ep0_status_start()
1610 static void ep0_xsf_complete(struct bdc *bdc, struct bdc_sr *sreport) in ep0_xsf_complete() argument
1612 dev_dbg(bdc->dev, "%s\n", __func__); in ep0_xsf_complete()
1613 switch (bdc->ep0_state) { in ep0_xsf_complete()
1615 bdc->ep0_state = WAIT_FOR_STATUS_START; in ep0_xsf_complete()
1618 bdc->ep0_state = WAIT_FOR_SETUP; in ep0_xsf_complete()
1619 if (bdc->test_mode) { in ep0_xsf_complete()
1622 dev_dbg(bdc->dev, "test_mode:%d\n", bdc->test_mode); in ep0_xsf_complete()
1623 ret = bdc_set_test_mode(bdc); in ep0_xsf_complete()
1625 dev_err(bdc->dev, "Err in setting Test mode\n"); in ep0_xsf_complete()
1628 bdc->test_mode = 0; in ep0_xsf_complete()
1632 bdc_xsf_ep0_status_start(bdc, sreport); in ep0_xsf_complete()
1636 dev_err(bdc->dev, in ep0_xsf_complete()
1638 ep0_state_string[bdc->ep0_state]); in ep0_xsf_complete()
1644 void bdc_sr_xsf(struct bdc *bdc, struct bdc_sr *sreport) in bdc_sr_xsf() argument
1651 ep = bdc->bdc_ep_array[ep_num]; in bdc_sr_xsf()
1653 dev_err(bdc->dev, "xsf for ep not enabled\n"); in bdc_sr_xsf()
1660 if (bdc->devstatus & FUNC_WAKE_ISSUED) { in bdc_sr_xsf()
1661 bdc->devstatus &= ~(FUNC_WAKE_ISSUED); in bdc_sr_xsf()
1662 dev_dbg(bdc->dev, "%s clearing FUNC_WAKE_ISSUED flag\n", in bdc_sr_xsf()
1666 dev_dbg_ratelimited(bdc->dev, "%s sr_status=%d ep:%s\n", in bdc_sr_xsf()
1672 handle_xsr_succ_status(bdc, ep, sreport); in bdc_sr_xsf()
1674 ep0_xsf_complete(bdc, sreport); in bdc_sr_xsf()
1681 dev_err(bdc->dev, in bdc_sr_xsf()
1685 bdc->sr_xsf_ep0[sr_status - XSF_SETUP_RECV](bdc, sreport); in bdc_sr_xsf()
1690 dev_dbg(bdc->dev, "Babble on ep0 zlp_need:%d\n", in bdc_sr_xsf()
1691 bdc->zlp_needed); in bdc_sr_xsf()
1696 if (bdc->zlp_needed) { in bdc_sr_xsf()
1698 ep0_queue_zlp(bdc); in bdc_sr_xsf()
1702 dev_warn(bdc->dev, "Babble on ep not handled\n"); in bdc_sr_xsf()
1705 dev_warn(bdc->dev, "sr status not handled:%x\n", sr_status); in bdc_sr_xsf()
1716 struct bdc *bdc; in bdc_gadget_ep_queue() local
1727 bdc = ep->bdc; in bdc_gadget_ep_queue()
1728 dev_dbg(bdc->dev, "%s ep:%p req:%p\n", __func__, ep, req); in bdc_gadget_ep_queue()
1729 dev_dbg(bdc->dev, "queuing request %p to %s length %d zero:%d\n", in bdc_gadget_ep_queue()
1733 dev_warn(bdc->dev, in bdc_gadget_ep_queue()
1740 dev_warn(bdc->dev, in bdc_gadget_ep_queue()
1745 spin_lock_irqsave(&bdc->lock, flags); in bdc_gadget_ep_queue()
1746 if (ep == bdc->bdc_ep_array[1]) in bdc_gadget_ep_queue()
1751 spin_unlock_irqrestore(&bdc->lock, flags); in bdc_gadget_ep_queue()
1762 struct bdc *bdc; in bdc_gadget_ep_dequeue() local
1770 bdc = ep->bdc; in bdc_gadget_ep_dequeue()
1771 dev_dbg(bdc->dev, "%s ep:%s req:%p\n", __func__, ep->name, req); in bdc_gadget_ep_dequeue()
1772 bdc_dbg_bd_list(bdc, ep); in bdc_gadget_ep_dequeue()
1773 spin_lock_irqsave(&bdc->lock, flags); in bdc_gadget_ep_dequeue()
1780 spin_unlock_irqrestore(&bdc->lock, flags); in bdc_gadget_ep_dequeue()
1781 dev_err(bdc->dev, "usb_req !=req n"); in bdc_gadget_ep_dequeue()
1792 bdc_dbg_bd_list(bdc, ep); in bdc_gadget_ep_dequeue()
1793 spin_unlock_irqrestore(&bdc->lock, flags); in bdc_gadget_ep_dequeue()
1802 struct bdc *bdc; in bdc_gadget_ep_set_halt() local
1806 bdc = ep->bdc; in bdc_gadget_ep_set_halt()
1807 dev_dbg(bdc->dev, "%s ep:%s value=%d\n", __func__, ep->name, value); in bdc_gadget_ep_set_halt()
1808 spin_lock_irqsave(&bdc->lock, flags); in bdc_gadget_ep_set_halt()
1816 spin_unlock_irqrestore(&bdc->lock, flags); in bdc_gadget_ep_set_halt()
1835 dev_dbg(ep->bdc->dev, "%s ep:%s req:%p\n", __func__, ep->name, req); in bdc_gadget_alloc_request()
1857 struct bdc *bdc; in bdc_gadget_ep_enable() local
1871 bdc = ep->bdc; in bdc_gadget_ep_enable()
1874 if (ep == bdc->bdc_ep_array[1]) in bdc_gadget_ep_enable()
1877 if (!bdc->gadget_driver in bdc_gadget_ep_enable()
1878 || bdc->gadget.speed == USB_SPEED_UNKNOWN) { in bdc_gadget_ep_enable()
1882 dev_dbg(bdc->dev, "%s Enabling %s\n", __func__, ep->name); in bdc_gadget_ep_enable()
1883 spin_lock_irqsave(&bdc->lock, flags); in bdc_gadget_ep_enable()
1887 spin_unlock_irqrestore(&bdc->lock, flags); in bdc_gadget_ep_enable()
1896 struct bdc *bdc; in bdc_gadget_ep_disable() local
1904 bdc = ep->bdc; in bdc_gadget_ep_disable()
1907 if (ep == bdc->bdc_ep_array[1]) { in bdc_gadget_ep_disable()
1908 dev_warn(bdc->dev, "%s called for ep0\n", __func__); in bdc_gadget_ep_disable()
1911 dev_dbg(bdc->dev, in bdc_gadget_ep_disable()
1916 if (bdc->gadget.speed != USB_SPEED_UNKNOWN) in bdc_gadget_ep_disable()
1917 dev_warn(bdc->dev, "%s is already disabled\n", in bdc_gadget_ep_disable()
1921 spin_lock_irqsave(&bdc->lock, flags); in bdc_gadget_ep_disable()
1923 spin_unlock_irqrestore(&bdc->lock, flags); in bdc_gadget_ep_disable()
1939 static int init_ep(struct bdc *bdc, u32 epnum, u32 dir) in init_ep() argument
1943 dev_dbg(bdc->dev, "%s epnum=%d dir=%d\n", __func__, epnum, dir); in init_ep()
1948 ep->bdc = bdc; in init_ep()
1959 bdc->bdc_ep_array[ep->ep_num] = ep; in init_ep()
1964 bdc->gadget.ep0 = &ep->usb_ep; in init_ep()
1971 bdc->bdc_ep_array[ep->ep_num] = ep; in init_ep()
1980 list_add_tail(&ep->usb_ep.ep_list, &bdc->gadget.ep_list); in init_ep()
1986 dev_dbg(bdc->dev, "ep=%p ep->usb_ep.name=%s epnum=%d ep->epnum=%d\n", in init_ep()
1995 int bdc_init_ep(struct bdc *bdc) in bdc_init_ep() argument
2000 dev_dbg(bdc->dev, "%s()\n", __func__); in bdc_init_ep()
2001 INIT_LIST_HEAD(&bdc->gadget.ep_list); in bdc_init_ep()
2003 ret = init_ep(bdc, 1, 0); in bdc_init_ep()
2005 dev_err(bdc->dev, "init ep ep0 fail %d\n", ret); in bdc_init_ep()
2009 for (epnum = 2; epnum <= bdc->num_eps / 2; epnum++) { in bdc_init_ep()
2011 ret = init_ep(bdc, epnum, 0); in bdc_init_ep()
2013 dev_err(bdc->dev, in bdc_init_ep()
2020 ret = init_ep(bdc, epnum, 1); in bdc_init_ep()
2022 dev_err(bdc->dev, in bdc_init_ep()