Lines Matching +full:d +full:- +full:phy
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for NXP PN533 NFC Chip - USB transport layer
6 * Copyright (C) 2012-2013 Tieto Poland
61 struct pn533_usb_phy *phy = urb->context; in pn533_recv_response() local
64 if (!urb->status) { in pn533_recv_response()
65 skb = alloc_skb(urb->actual_length, GFP_ATOMIC); in pn533_recv_response()
67 nfc_err(&phy->udev->dev, "failed to alloc memory\n"); in pn533_recv_response()
69 skb_put_data(skb, urb->transfer_buffer, in pn533_recv_response()
70 urb->actual_length); in pn533_recv_response()
74 pn533_recv_frame(phy->priv, skb, urb->status); in pn533_recv_response()
77 static int pn533_submit_urb_for_response(struct pn533_usb_phy *phy, gfp_t flags) in pn533_submit_urb_for_response() argument
79 phy->in_urb->complete = pn533_recv_response; in pn533_submit_urb_for_response()
81 return usb_submit_urb(phy->in_urb, flags); in pn533_submit_urb_for_response()
86 struct pn533_usb_phy *phy = urb->context; in pn533_recv_ack() local
87 struct pn533 *priv = phy->priv; in pn533_recv_ack()
88 struct pn533_cmd *cmd = priv->cmd; in pn533_recv_ack()
92 cmd->status = urb->status; in pn533_recv_ack()
94 switch (urb->status) { in pn533_recv_ack()
97 case -ECONNRESET: in pn533_recv_ack()
98 case -ENOENT: in pn533_recv_ack()
99 dev_dbg(&phy->udev->dev, in pn533_recv_ack()
100 "The urb has been stopped (status %d)\n", in pn533_recv_ack()
101 urb->status); in pn533_recv_ack()
103 case -ESHUTDOWN: in pn533_recv_ack()
105 nfc_err(&phy->udev->dev, in pn533_recv_ack()
106 "Urb failure (status %d)\n", urb->status); in pn533_recv_ack()
110 in_frame = phy->in_urb->transfer_buffer; in pn533_recv_ack()
113 nfc_err(&phy->udev->dev, "Received an invalid ack\n"); in pn533_recv_ack()
114 cmd->status = -EIO; in pn533_recv_ack()
118 rc = pn533_submit_urb_for_response(phy, GFP_ATOMIC); in pn533_recv_ack()
120 nfc_err(&phy->udev->dev, in pn533_recv_ack()
121 "usb_submit_urb failed with result %d\n", rc); in pn533_recv_ack()
122 cmd->status = rc; in pn533_recv_ack()
129 queue_work(priv->wq, &priv->cmd_complete_work); in pn533_recv_ack()
132 static int pn533_submit_urb_for_ack(struct pn533_usb_phy *phy, gfp_t flags) in pn533_submit_urb_for_ack() argument
134 phy->in_urb->complete = pn533_recv_ack; in pn533_submit_urb_for_ack()
136 return usb_submit_urb(phy->in_urb, flags); in pn533_submit_urb_for_ack()
141 struct pn533_usb_phy *phy = dev->phy; in pn533_usb_send_ack() local
145 if (!phy->ack_buffer) { in pn533_usb_send_ack()
146 phy->ack_buffer = kmemdup(ack, sizeof(ack), flags); in pn533_usb_send_ack()
147 if (!phy->ack_buffer) in pn533_usb_send_ack()
148 return -ENOMEM; in pn533_usb_send_ack()
151 phy->ack_urb->transfer_buffer = phy->ack_buffer; in pn533_usb_send_ack()
152 phy->ack_urb->transfer_buffer_length = sizeof(ack); in pn533_usb_send_ack()
153 return usb_submit_urb(phy->ack_urb, flags); in pn533_usb_send_ack()
157 struct pn533_usb_phy *phy; member
164 struct pn533_usb_phy *phy = dev->phy; in pn533_usb_send_frame() local
169 if (phy->priv == NULL) in pn533_usb_send_frame()
170 phy->priv = dev; in pn533_usb_send_frame()
172 phy->out_urb->transfer_buffer = out->data; in pn533_usb_send_frame()
173 phy->out_urb->transfer_buffer_length = out->len; in pn533_usb_send_frame()
176 out->data, out->len, false); in pn533_usb_send_frame()
178 arg.phy = phy; in pn533_usb_send_frame()
180 cntx = phy->out_urb->context; in pn533_usb_send_frame()
181 phy->out_urb->context = &arg; in pn533_usb_send_frame()
183 rc = usb_submit_urb(phy->out_urb, GFP_KERNEL); in pn533_usb_send_frame()
188 phy->out_urb->context = cntx; in pn533_usb_send_frame()
190 if (dev->protocol_type == PN533_PROTO_REQ_RESP) { in pn533_usb_send_frame()
192 rc = pn533_submit_urb_for_response(phy, GFP_KERNEL); in pn533_usb_send_frame()
195 } else if (dev->protocol_type == PN533_PROTO_REQ_ACK_RESP) { in pn533_usb_send_frame()
197 rc = pn533_submit_urb_for_ack(phy, GFP_KERNEL); in pn533_usb_send_frame()
205 usb_unlink_urb(phy->out_urb); in pn533_usb_send_frame()
211 struct pn533_usb_phy *phy = dev->phy; in pn533_usb_abort_cmd() local
218 if (dev->device_type == PN533_DEVICE_ACR122U) in pn533_usb_abort_cmd()
225 usb_kill_urb(phy->in_urb); in pn533_usb_abort_cmd()
282 frame->ccid.type = PN533_ACR122_PC_TO_RDR_ESCAPE; in pn533_acr122_tx_frame_init()
284 frame->ccid.datalen = sizeof(frame->apdu) + 1; in pn533_acr122_tx_frame_init()
285 frame->ccid.slot = 0; in pn533_acr122_tx_frame_init()
286 frame->ccid.seq = 0; in pn533_acr122_tx_frame_init()
287 frame->ccid.params[0] = 0; in pn533_acr122_tx_frame_init()
288 frame->ccid.params[1] = 0; in pn533_acr122_tx_frame_init()
289 frame->ccid.params[2] = 0; in pn533_acr122_tx_frame_init()
291 frame->data[0] = PN533_STD_FRAME_DIR_OUT; in pn533_acr122_tx_frame_init()
292 frame->data[1] = cmd_code; in pn533_acr122_tx_frame_init()
293 frame->datalen = 2; /* data[0] + data[1] */ in pn533_acr122_tx_frame_init()
295 frame->apdu.class = 0xFF; in pn533_acr122_tx_frame_init()
296 frame->apdu.ins = 0; in pn533_acr122_tx_frame_init()
297 frame->apdu.p1 = 0; in pn533_acr122_tx_frame_init()
298 frame->apdu.p2 = 0; in pn533_acr122_tx_frame_init()
305 frame->ccid.datalen += frame->datalen; in pn533_acr122_tx_frame_finish()
312 frame->datalen += len; in pn533_acr122_tx_update_payload_len()
319 if (frame->ccid.type != 0x83) in pn533_acr122_is_rx_frame_valid()
322 if (!frame->ccid.datalen) in pn533_acr122_is_rx_frame_valid()
325 if (frame->data[frame->ccid.datalen - 2] == 0x63) in pn533_acr122_is_rx_frame_valid()
335 /* f->ccid.datalen already includes tail length */ in pn533_acr122_rx_frame_size()
336 return sizeof(struct pn533_acr122_rx_frame) + f->ccid.datalen; in pn533_acr122_rx_frame_size()
369 struct pn533_acr122_poweron_rdr_arg *arg = urb->context; in pn533_acr122_poweron_rdr_resp()
372 urb->transfer_buffer, urb->transfer_buffer_length, in pn533_acr122_poweron_rdr_resp()
375 arg->rc = urb->status; in pn533_acr122_poweron_rdr_resp()
376 complete(&arg->done); in pn533_acr122_poweron_rdr_resp()
379 static int pn533_acr122_poweron_rdr(struct pn533_usb_phy *phy) in pn533_acr122_poweron_rdr() argument
392 return -ENOMEM; in pn533_acr122_poweron_rdr()
395 cntx = phy->in_urb->context; /* backup context */ in pn533_acr122_poweron_rdr()
397 phy->in_urb->complete = pn533_acr122_poweron_rdr_resp; in pn533_acr122_poweron_rdr()
398 phy->in_urb->context = &arg; in pn533_acr122_poweron_rdr()
403 rc = usb_bulk_msg(phy->udev, phy->out_urb->pipe, buffer, sizeof(cmd), in pn533_acr122_poweron_rdr()
407 nfc_err(&phy->udev->dev, in pn533_acr122_poweron_rdr()
408 "Reader power on cmd error %d\n", rc); in pn533_acr122_poweron_rdr()
412 rc = usb_submit_urb(phy->in_urb, GFP_KERNEL); in pn533_acr122_poweron_rdr()
414 nfc_err(&phy->udev->dev, in pn533_acr122_poweron_rdr()
415 "Can't submit reader poweron cmd response %d\n", rc); in pn533_acr122_poweron_rdr()
420 phy->in_urb->context = cntx; /* restore context */ in pn533_acr122_poweron_rdr()
427 struct pn533_out_arg *arg = urb->context; in pn533_out_complete()
428 struct pn533_usb_phy *phy = arg->phy; in pn533_out_complete() local
430 switch (urb->status) { in pn533_out_complete()
433 case -ECONNRESET: in pn533_out_complete()
434 case -ENOENT: in pn533_out_complete()
435 dev_dbg(&phy->udev->dev, in pn533_out_complete()
436 "The urb has been stopped (status %d)\n", in pn533_out_complete()
437 urb->status); in pn533_out_complete()
439 case -ESHUTDOWN: in pn533_out_complete()
441 nfc_err(&phy->udev->dev, in pn533_out_complete()
442 "Urb failure (status %d)\n", in pn533_out_complete()
443 urb->status); in pn533_out_complete()
446 complete(&arg->done); in pn533_out_complete()
451 struct pn533_usb_phy *phy = urb->context; in pn533_ack_complete() local
453 switch (urb->status) { in pn533_ack_complete()
456 case -ECONNRESET: in pn533_ack_complete()
457 case -ENOENT: in pn533_ack_complete()
458 dev_dbg(&phy->udev->dev, in pn533_ack_complete()
459 "The urb has been stopped (status %d)\n", in pn533_ack_complete()
460 urb->status); in pn533_ack_complete()
462 case -ESHUTDOWN: in pn533_ack_complete()
464 nfc_err(&phy->udev->dev, in pn533_ack_complete()
465 "Urb failure (status %d)\n", in pn533_ack_complete()
466 urb->status); in pn533_ack_complete()
480 struct pn533_usb_phy *phy; in pn533_usb_probe() local
485 int rc = -ENOMEM; in pn533_usb_probe()
495 phy = devm_kzalloc(&interface->dev, sizeof(*phy), GFP_KERNEL); in pn533_usb_probe()
496 if (!phy) in pn533_usb_probe()
497 return -ENOMEM; in pn533_usb_probe()
501 return -ENOMEM; in pn533_usb_probe()
503 phy->udev = usb_get_dev(interface_to_usbdev(interface)); in pn533_usb_probe()
504 phy->interface = interface; in pn533_usb_probe()
506 iface_desc = interface->cur_altsetting; in pn533_usb_probe()
507 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { in pn533_usb_probe()
508 endpoint = &iface_desc->endpoint[i].desc; in pn533_usb_probe()
511 in_endpoint = endpoint->bEndpointAddress; in pn533_usb_probe()
514 out_endpoint = endpoint->bEndpointAddress; in pn533_usb_probe()
518 nfc_err(&interface->dev, in pn533_usb_probe()
519 "Could not find bulk-in or bulk-out endpoint\n"); in pn533_usb_probe()
520 rc = -ENODEV; in pn533_usb_probe()
524 phy->in_urb = usb_alloc_urb(0, GFP_KERNEL); in pn533_usb_probe()
525 phy->out_urb = usb_alloc_urb(0, GFP_KERNEL); in pn533_usb_probe()
526 phy->ack_urb = usb_alloc_urb(0, GFP_KERNEL); in pn533_usb_probe()
528 if (!phy->in_urb || !phy->out_urb || !phy->ack_urb) in pn533_usb_probe()
531 usb_fill_bulk_urb(phy->in_urb, phy->udev, in pn533_usb_probe()
532 usb_rcvbulkpipe(phy->udev, in_endpoint), in pn533_usb_probe()
533 in_buf, in_buf_len, NULL, phy); in pn533_usb_probe()
535 usb_fill_bulk_urb(phy->out_urb, phy->udev, in pn533_usb_probe()
536 usb_sndbulkpipe(phy->udev, out_endpoint), in pn533_usb_probe()
537 NULL, 0, pn533_out_complete, phy); in pn533_usb_probe()
538 usb_fill_bulk_urb(phy->ack_urb, phy->udev, in pn533_usb_probe()
539 usb_sndbulkpipe(phy->udev, out_endpoint), in pn533_usb_probe()
540 NULL, 0, pn533_ack_complete, phy); in pn533_usb_probe()
542 switch (id->driver_info) { in pn533_usb_probe()
556 rc = pn533_acr122_poweron_rdr(phy); in pn533_usb_probe()
558 nfc_err(&interface->dev, in pn533_usb_probe()
559 "Couldn't poweron the reader (error %d)\n", rc); in pn533_usb_probe()
565 nfc_err(&interface->dev, "Unknown device type %lu\n", in pn533_usb_probe()
566 id->driver_info); in pn533_usb_probe()
567 rc = -EINVAL; in pn533_usb_probe()
571 priv = pn53x_common_init(id->driver_info, protocol_type, in pn533_usb_probe()
572 phy, &usb_phy_ops, fops, in pn533_usb_probe()
573 &phy->udev->dev); in pn533_usb_probe()
580 phy->priv = priv; in pn533_usb_probe()
586 usb_set_intfdata(interface, phy); in pn533_usb_probe()
587 rc = pn53x_register_nfc(priv, protocols, &interface->dev); in pn533_usb_probe()
596 usb_kill_urb(phy->in_urb); in pn533_usb_probe()
597 usb_kill_urb(phy->out_urb); in pn533_usb_probe()
598 usb_kill_urb(phy->ack_urb); in pn533_usb_probe()
600 usb_free_urb(phy->in_urb); in pn533_usb_probe()
601 usb_free_urb(phy->out_urb); in pn533_usb_probe()
602 usb_free_urb(phy->ack_urb); in pn533_usb_probe()
603 usb_put_dev(phy->udev); in pn533_usb_probe()
605 kfree(phy->ack_buffer); in pn533_usb_probe()
612 struct pn533_usb_phy *phy = usb_get_intfdata(interface); in pn533_usb_disconnect() local
614 if (!phy) in pn533_usb_disconnect()
617 pn53x_unregister_nfc(phy->priv); in pn533_usb_disconnect()
618 pn53x_common_clean(phy->priv); in pn533_usb_disconnect()
622 usb_kill_urb(phy->in_urb); in pn533_usb_disconnect()
623 usb_kill_urb(phy->out_urb); in pn533_usb_disconnect()
624 usb_kill_urb(phy->ack_urb); in pn533_usb_disconnect()
626 kfree(phy->in_urb->transfer_buffer); in pn533_usb_disconnect()
627 usb_free_urb(phy->in_urb); in pn533_usb_disconnect()
628 usb_free_urb(phy->out_urb); in pn533_usb_disconnect()
629 usb_free_urb(phy->ack_urb); in pn533_usb_disconnect()
630 kfree(phy->ack_buffer); in pn533_usb_disconnect()
632 nfc_info(&interface->dev, "NXP PN533 NFC device disconnected\n"); in pn533_usb_disconnect()