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/openbmc/linux/drivers/usb/gadget/udc/aspeed-vhub/
H A Dep0.c31 struct usb_request *req = &ep->ep0.req.req; in ast_vhub_reply()
36 if (WARN_ON(!ep->ep0.dir_in)) in ast_vhub_reply()
92 memcpy_fromio(&crq, ep->ep0.setup, sizeof(crq)); in ast_vhub_ep0_handle_setup()
100 ep->ep0.state); in ast_vhub_ep0_handle_setup()
112 if (ep->ep0.state != ep0_state_token && in ast_vhub_ep0_handle_setup()
113 ep->ep0.state != ep0_state_stall) { in ast_vhub_ep0_handle_setup()
119 ep->ep0.state = ep0_state_data; in ast_vhub_ep0_handle_setup()
120 ep->ep0.dir_in = !!(crq.bRequestType & USB_DIR_IN); in ast_vhub_ep0_handle_setup()
163 writel(VHUB_EP0_CTRL_STALL, ep->ep0.ctlstat); in ast_vhub_ep0_handle_setup()
164 ep->ep0.state = ep0_state_stall; in ast_vhub_ep0_handle_setup()
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H A Ddev.c38 ast_vhub_ep0_handle_ack(&d->ep0, true); in ast_vhub_dev_irq()
40 ast_vhub_ep0_handle_ack(&d->ep0, false); in ast_vhub_dev_irq()
42 ast_vhub_ep0_handle_setup(&d->ep0); in ast_vhub_dev_irq()
71 writel(d->ep0.buf_dma, d->regs + AST_VHUB_DEV_EP0_DATA); in ast_vhub_dev_enable()
177 return ast_vhub_simple_reply(&d->ep0, st0, 0); in ast_vhub_dev_status()
202 return ast_vhub_simple_reply(&d->ep0, st0, 0); in ast_vhub_ep_status()
553 ast_vhub_init_ep0(vhub, &d->ep0, d); in ast_vhub_init_dev()
585 d->gadget.ep0 = &d->ep0.ep; in ast_vhub_init_dev()
H A Dcore.c144 ast_vhub_ep0_handle_ack(&vhub->ep0, true); in ast_vhub_irq()
146 ast_vhub_ep0_handle_ack(&vhub->ep0, false); in ast_vhub_irq()
148 ast_vhub_ep0_handle_setup(&vhub->ep0); in ast_vhub_irq()
233 writel(vhub->ep0.buf_dma, vhub->regs + AST_VHUB_EP0_DATA); in ast_vhub_init_hw()
390 ast_vhub_init_ep0(vhub, &vhub->ep0, NULL); in ast_vhub_probe()
/openbmc/linux/tools/usb/ffs-aio-example/simple/device_app/
H A Daio_simple.c182 static void handle_ep0(int ep0, bool *ready) in handle_ep0() argument
188 pfds[0].fd = ep0; in handle_ep0()
194 ret = read(ep0, &event, sizeof(event)); in handle_ep0()
203 write(ep0, NULL, 0); in handle_ep0()
205 read(ep0, NULL, 0); in handle_ep0()
227 int ep0; in main() local
253 ep0 = open(ep_path, O_RDWR); in main()
254 if (ep0 < 0) { in main()
258 if (write(ep0, &descriptors, sizeof(descriptors)) < 0) { in main()
262 if (write(ep0, &strings, sizeof(strings)) < 0) { in main()
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/openbmc/linux/tools/usb/ffs-aio-example/multibuff/device_app/
H A Daio_multibuff.c176 static void handle_ep0(int ep0, bool *ready) in handle_ep0() argument
181 ret = read(ep0, &event, sizeof(event)); in handle_ep0()
190 write(ep0, NULL, 0); in handle_ep0()
192 read(ep0, NULL, 0); in handle_ep0()
240 int ep0, ep1; in main() local
264 ep0 = open(ep_path, O_RDWR); in main()
265 if (ep0 < 0) { in main()
269 if (write(ep0, &descriptors, sizeof(descriptors)) < 0) { in main()
273 if (write(ep0, &strings, sizeof(strings)) < 0) { in main()
304 FD_SET(ep0, &rfds); in main()
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/openbmc/linux/drivers/usb/gadget/udc/
H A Drenesas_usbf.c547 static void usbf_ep0_send_null(struct usbf_ep *ep0, bool is_data1) in usbf_ep0_send_null() argument
555 usbf_ep_reg_bitset(ep0, USBF_REG_EP0_CONTROL, set); in usbf_ep0_send_null()
558 static int usbf_ep0_pio_in(struct usbf_ep *ep0, struct usbf_req *req) in usbf_ep0_pio_in() argument
571 dev_dbg(ep0->udc->dev, "ep0 send null\n"); in usbf_ep0_pio_in()
572 usbf_ep0_send_null(ep0, false); in usbf_ep0_pio_in()
576 if ((req->req.actual % ep0->ep.maxpacket) == 0) { in usbf_ep0_pio_in()
578 dev_dbg(ep0->udc->dev, "ep0 send null\n"); in usbf_ep0_pio_in()
579 usbf_ep0_send_null(ep0, false); in usbf_ep0_pio_in()
588 if (left > ep0->ep.maxpacket) in usbf_ep0_pio_in()
589 left = ep0->ep.maxpacket; in usbf_ep0_pio_in()
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H A Dudc-xilinx.c261 struct xusb_ep *ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO]; in xudc_wrstatus() local
264 epcfgreg = udc->read_fn(udc->addr + ep0->offset)| in xudc_wrstatus()
266 udc->write_fn(udc->addr, ep0->offset, epcfgreg); in xudc_wrstatus()
267 udc->write_fn(udc->addr, ep0->offset + XUSB_EP_BUF0COUNT_OFFSET, 0); in xudc_wrstatus()
1001 static int __xudc_ep0_queue(struct xusb_ep *ep0, struct xusb_req *req) in __xudc_ep0_queue() argument
1003 struct xusb_udc *udc = ep0->udc; in __xudc_ep0_queue()
1011 if (!list_empty(&ep0->queue)) { in __xudc_ep0_queue()
1019 list_add_tail(&req->queue, &ep0->queue); in __xudc_ep0_queue()
1024 corebuf = (void __force *) ((ep0->rambase << 2) + in __xudc_ep0_queue()
1056 struct xusb_ep *ep0 = to_xusb_ep(_ep); in xudc_ep0_queue() local
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H A Dlpc32xx_udc.c1381 INIT_LIST_HEAD(&udc->gadget.ep0->ep_list); in udc_reinit()
1443 struct lpc32xx_ep *ep0 = &udc->ep[0]; in udc_ep0_in_req() local
1446 if (list_empty(&ep0->queue)) in udc_ep0_in_req()
1450 req = list_entry(ep0->queue.next, struct lpc32xx_request, in udc_ep0_in_req()
1457 done(ep0, req, 0); in udc_ep0_in_req()
1459 } else if (ts > ep0->ep.maxpacket) in udc_ep0_in_req()
1460 ts = ep0->ep.maxpacket; /* Just send what we can */ in udc_ep0_in_req()
1468 if (tsend >= ep0->ep.maxpacket) in udc_ep0_in_req()
1473 done(ep0, req, 0); in udc_ep0_in_req()
1481 struct lpc32xx_ep *ep0 = &udc->ep[0]; in udc_ep0_out_req() local
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H A Dat91_udc.c831 INIT_LIST_HEAD(&udc->gadget.ep0->ep_list); in udc_reinit()
1275 struct at91_ep *ep0 = &udc->ep[0]; in handle_ep0() local
1276 u32 __iomem *creg = ep0->creg; in handle_ep0()
1281 nuke(ep0, -EPROTO); in handle_ep0()
1290 nuke(ep0, 0); in handle_ep0()
1292 handle_setup(udc, ep0, csr); in handle_ep0()
1296 if (list_empty(&ep0->queue)) in handle_ep0()
1299 req = list_entry(ep0->queue.next, struct at91_request, queue); in handle_ep0()
1307 if (req && ep0->is_in) { in handle_ep0()
1308 if (handle_ep(ep0)) in handle_ep0()
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/openbmc/u-boot/drivers/usb/musb/
H A Dmusb_udc.c116 w = readw(&musbr->ep[0].ep0.csr0); in musb_db_regs()
122 b = readb(&musbr->ep[0].ep0.configdata); in musb_db_regs()
209 csr0 = readw(&musbr->ep[0].ep0.csr0); in musb_peri_ep0_stall()
211 writew(csr0, &musbr->ep[0].ep0.csr0); in musb_peri_ep0_stall()
220 csr0 = readw(&musbr->ep[0].ep0.csr0); in musb_peri_ep0_ack_req()
222 writew(csr0, &musbr->ep[0].ep0.csr0); in musb_peri_ep0_ack_req()
229 csr0 = readw(&musbr->ep[0].ep0.csr0); in musb_ep0_tx_ready()
231 writew(csr0, &musbr->ep[0].ep0.csr0); in musb_ep0_tx_ready()
238 csr0 = readw(&musbr->ep[0].ep0.csr0); in musb_ep0_tx_ready_and_last()
240 writew(csr0, &musbr->ep[0].ep0.csr0); in musb_ep0_tx_ready_and_last()
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/openbmc/linux/drivers/usb/mtu3/
H A Dmtu3_gadget_ep0.c18 #define next_ep0_request(mtu) next_request((mtu)->ep0)
59 mtu3_req_complete(mtu->ep0, req, 0); in ep0_req_giveback()
126 ep0_write_fifo(mtu->ep0, mtu3_test_packet, sizeof(mtu3_test_packet)); in ep0_load_test_packet()
196 mtu->ep0_req.mep = mtu->ep0; in ep0_set_sel()
200 ret = ep0_queue(mtu->ep0, &mtu->ep0_req); in ep0_set_sel()
265 mtu->ep0_req.mep = mtu->ep0; in ep0_get_status()
269 ret = ep0_queue(mtu->ep0, &mtu->ep0_req); in ep0_get_status()
535 ep0_read_fifo(mtu->ep0, buf, count); in ep0_rx_state()
539 maxp = mtu->g.ep0->maxpacket; in ep0_rx_state()
577 maxp = mtu->g.ep0->maxpacket; in ep0_tx_state()
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/openbmc/linux/drivers/usb/host/
H A Dfhci-tds.c100 ep = usb->ep0; in fhci_ep0_free()
136 usb->ep0 = NULL; in fhci_ep0_free()
224 usb->ep0 = ep; in fhci_create_ep()
279 struct endpoint *ep = usb->ep0; in fhci_td_transaction_confirm()
385 struct endpoint *ep = usb->ep0; in fhci_host_transaction()
472 struct endpoint *ep = usb->ep0; in fhci_flush_bds()
528 struct endpoint *ep = usb->ep0; in fhci_flush_actual_frame()
592 struct endpoint *ep = usb->ep0; in fhci_host_transmit_actual_frame()
H A Dfhci-sched.c36 cq_put(&usb->ep0->empty_frame_Q, pkt); in recycle_frame()
56 cq_put(&usb->ep0->dummy_packets_Q, pkt->data); in fhci_transaction_confirm()
212 pkt = cq_get(&usb->ep0->empty_frame_Q); in add_packet()
221 data = cq_get(&usb->ep0->dummy_packets_Q); in add_packet()
245 cq_put(&usb->ep0->dummy_packets_Q, pkt->data); in add_packet()
319 fhci_push_dummy_bd(usb->ep0); in scan_ed_list()
516 fhci_push_dummy_bd(usb->ep0); in fhci_frame_limit_timer_irq()
/openbmc/linux/drivers/usb/usbip/
H A Dvudc_sysfs.c26 struct vep *ep0 = to_vep(udc->gadget.ep0); in get_gadget_descs() local
47 usb_req = list_last_entry(&ep0->req_queue, struct vrequest, req_entry); in get_gadget_descs()
61 usb_gadget_giveback_request(&(ep0->ep), &(usb_req->req)); in get_gadget_descs()
/openbmc/u-boot/drivers/usb/gadget/
H A Dat91_udc.c638 INIT_LIST_HEAD(&udc->gadget.ep0->ep_list); in udc_reinit()
1076 struct at91_ep *ep0 = &udc->ep[0]; in handle_ep0() local
1077 u32 __iomem *creg = ep0->creg; in handle_ep0()
1082 nuke(ep0, -EPROTO); in handle_ep0()
1091 nuke(ep0, 0); in handle_ep0()
1093 handle_setup(udc, ep0, csr); in handle_ep0()
1097 if (list_empty(&ep0->queue)) in handle_ep0()
1100 req = list_entry(ep0->queue.next, struct at91_request, queue); in handle_ep0()
1108 if (req && ep0->is_in) { in handle_ep0()
1109 if (handle_ep(ep0)) in handle_ep0()
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H A Dcomposite.c285 qual->bMaxPacketSize0 = cdev->gadget->ep0->maxpacket; in device_qual()
721 gadget->ep0->driver_data = cdev; in composite_setup()
751 cdev->gadget->ep0->maxpacket; in composite_setup()
911 value = usb_ep_queue(gadget->ep0, req, GFP_KERNEL); in composite_setup()
915 composite_setup_complete(gadget->ep0, req); in composite_setup()
973 usb_ep_free_request(gadget->ep0, cdev->req); in composite_unbind()
995 cdev->req = usb_ep_alloc_request(gadget->ep0, GFP_KERNEL); in composite_bind()
1002 gadget->ep0->driver_data = cdev; in composite_bind()
1016 cdev->desc.bMaxPacketSize0 = gadget->ep0->maxpacket; in composite_bind()
H A Datmel_usba_udc.c538 ep = to_usba_ep(udc->gadget.ep0); in reset_all_endpoints()
564 return to_usba_ep(udc->gadget.ep0); in get_ep_by_addr()
1116 struct usba_ep *ep0; in usba_udc_irq() local
1134 ep0 = &udc->usba_ep[0]; in usba_udc_irq()
1135 ep0->desc = &usba_ep0_desc; in usba_udc_irq()
1136 ep0->state = WAIT_FOR_SETUP; in usba_udc_irq()
1137 usba_ep_writel(ep0, CFG, in usba_udc_irq()
1141 usba_ep_writel(ep0, CTL_ENB, in usba_udc_irq()
1153 if (!(usba_ep_readl(ep0, CFG) & USBA_EPT_MAPPED)) in usba_udc_irq()
1266 udc->gadget.ep0 = &eps[0].ep; in usba_udc_pdata()
/openbmc/linux/drivers/usb/cdns3/
H A DMakefile18 cdns3-$(CONFIG_USB_CDNS3_GADGET) += cdns3-gadget.o cdns3-ep0.o
40 cdnsp-mem.o cdnsp-ep0.o
/openbmc/linux/drivers/usb/gadget/legacy/
H A Dinode.c933 (void) usb_ep_set_halt (dev->gadget->ep0); in ep0_read()
938 struct usb_ep *ep = dev->gadget->ep0; in ep0_read()
996 clean_req (dev->gadget->ep0, dev->req); in ep0_read()
1136 retval = setup_req (dev->gadget->ep0, dev->req, len); in ep0_write()
1147 dev->gadget->ep0, dev->req, in ep0_write()
1153 clean_req (dev->gadget->ep0, dev->req); in ep0_write()
1163 (void) usb_ep_set_halt (dev->gadget->ep0); in ep0_write()
1294 qual.bMaxPacketSize0 = dev->gadget->ep0->maxpacket; in make_qualifier()
1387 dev->dev->bMaxPacketSize0 = dev->gadget->ep0->maxpacket; in gadgetfs_setup()
1489 value = setup_req (gadget->ep0, dev->req, in gadgetfs_setup()
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H A Ddbgp.c226 usb_ep_free_request(gadget->ep0, dbgp.req); in dbgp_unbind()
284 dbgp.req = usb_ep_alloc_request(gadget->ep0, GFP_KERNEL); in dbgp_bind()
367 device_desc.bMaxPacketSize0 = gadget->ep0->maxpacket; in dbgp_setup()
401 return usb_ep_queue(gadget->ep0, req, GFP_ATOMIC); in dbgp_setup()
/openbmc/linux/sound/soc/generic/
H A Daudio-graph-card2.c784 struct device_node *ep0, *ep1; in audio_graph2_link_c2c() local
837 ep0 = port_to_endpoint(port0); in audio_graph2_link_c2c()
840 codec0_port = of_graph_get_remote_port(ep0); in audio_graph2_link_c2c()
861 of_node_put(ep0); in audio_graph2_link_c2c()
1022 struct device_node *ep0 = port_to_endpoint(port0); in graph_count_c2c() local
1024 struct device_node *codec0 = of_graph_get_remote_port(ep0); in graph_count_c2c()
1049 of_node_put(ep0); in graph_count_c2c()
/openbmc/u-boot/drivers/usb/dwc3/
H A Dep0.c772 struct dwc3_ep *ep0; in dwc3_ep0_complete_data() local
782 ep0 = dwc->eps[0]; in dwc3_ep0_complete_data()
788 r = next_request(&ep0->request_list); in dwc3_ep0_complete_data()
799 dwc3_gadget_giveback(ep0, r, -ECONNRESET); in dwc3_ep0_complete_data()
809 maxp = ep0->endpoint.maxpacket; in dwc3_ep0_complete_data()
826 ep0->free_slot = 0; in dwc3_ep0_complete_data()
846 dwc3_gadget_giveback(ep0, r, 0); in dwc3_ep0_complete_data()
848 if (IS_ALIGNED(ur->length, ep0->endpoint.maxpacket) && in dwc3_ep0_complete_data()
/openbmc/linux/Documentation/usb/
H A Dfunctionfs.rst16 mounted provides an "ep0" file. User space driver need to
30 configuration changes to (say) endpoint 2)). "ep0" is used
65 have been written to their ep0's.
/openbmc/linux/drivers/usb/dwc3/
H A Dep0.c865 struct dwc3_ep *ep0; in dwc3_ep0_complete_data() local
872 ep0 = dwc->eps[0]; in dwc3_ep0_complete_data()
876 trace_dwc3_complete_trb(ep0, trb); in dwc3_ep0_complete_data()
878 r = next_request(&ep0->pending_list); in dwc3_ep0_complete_data()
886 dwc3_gadget_giveback(ep0, r, -ECONNRESET); in dwc3_ep0_complete_data()
897 if ((IS_ALIGNED(ur->length, ep0->endpoint.maxpacket) && in dwc3_ep0_complete_data()
901 trace_dwc3_complete_trb(ep0, trb); in dwc3_ep0_complete_data()
914 dwc3_gadget_giveback(ep0, r, 0); in dwc3_ep0_complete_data()
/openbmc/linux/drivers/usb/gadget/
H A Dcomposite.c921 qual->bMaxPacketSize0 = cdev->gadget->ep0->maxpacket; in device_qual()
1606 ret = usb_ep_queue(cdev->gadget->ep0, req, gfp_flags); in composite_ep0_queue()
1811 gadget->ep0->driver_data = cdev; in composite_setup()
1832 cdev->gadget->ep0->maxpacket; in composite_setup()
2296 composite_setup_complete(gadget->ep0, req); in composite_setup()
2437 cdev->req = usb_ep_alloc_request(gadget->ep0, GFP_KERNEL); in composite_dev_prepare()
2451 gadget->ep0->driver_data = cdev; in composite_dev_prepare()
2472 usb_ep_free_request(gadget->ep0, cdev->req); in composite_dev_prepare()
2478 struct usb_ep *ep0) in composite_os_desc_req_prepare() argument
2482 cdev->os_desc_req = usb_ep_alloc_request(ep0, GFP_KERNEL); in composite_os_desc_req_prepare()
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