Commit | Line | Data |
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1ccea77e | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
9815c7cf MT |
2 | /* |
3 | * Driver for NXP PN533 NFC Chip - USB transport layer | |
4 | * | |
5 | * Copyright (C) 2011 Instituto Nokia de Tecnologia | |
6 | * Copyright (C) 2012-2013 Tieto Poland | |
9815c7cf MT |
7 | */ |
8 | ||
9 | #include <linux/device.h> | |
10 | #include <linux/kernel.h> | |
11 | #include <linux/module.h> | |
12 | #include <linux/slab.h> | |
13 | #include <linux/usb.h> | |
14 | #include <linux/nfc.h> | |
15 | #include <linux/netdevice.h> | |
16 | #include <net/nfc/nfc.h> | |
17 | #include "pn533.h" | |
18 | ||
19 | #define VERSION "0.1" | |
20 | ||
21 | #define PN533_VENDOR_ID 0x4CC | |
22 | #define PN533_PRODUCT_ID 0x2533 | |
23 | ||
24 | #define SCM_VENDOR_ID 0x4E6 | |
25 | #define SCL3711_PRODUCT_ID 0x5591 | |
26 | ||
27 | #define SONY_VENDOR_ID 0x054c | |
28 | #define PASORI_PRODUCT_ID 0x02e1 | |
29 | ||
30 | #define ACS_VENDOR_ID 0x072f | |
31 | #define ACR122U_PRODUCT_ID 0x2200 | |
32 | ||
33 | static const struct usb_device_id pn533_usb_table[] = { | |
34 | { USB_DEVICE(PN533_VENDOR_ID, PN533_PRODUCT_ID), | |
35 | .driver_info = PN533_DEVICE_STD }, | |
36 | { USB_DEVICE(SCM_VENDOR_ID, SCL3711_PRODUCT_ID), | |
37 | .driver_info = PN533_DEVICE_STD }, | |
38 | { USB_DEVICE(SONY_VENDOR_ID, PASORI_PRODUCT_ID), | |
39 | .driver_info = PN533_DEVICE_PASORI }, | |
40 | { USB_DEVICE(ACS_VENDOR_ID, ACR122U_PRODUCT_ID), | |
41 | .driver_info = PN533_DEVICE_ACR122U }, | |
42 | { } | |
43 | }; | |
44 | MODULE_DEVICE_TABLE(usb, pn533_usb_table); | |
45 | ||
46 | struct pn533_usb_phy { | |
47 | struct usb_device *udev; | |
48 | struct usb_interface *interface; | |
49 | ||
50 | struct urb *out_urb; | |
51 | struct urb *in_urb; | |
52 | ||
dbafc289 GKH |
53 | struct urb *ack_urb; |
54 | u8 *ack_buffer; | |
55 | ||
9815c7cf MT |
56 | struct pn533 *priv; |
57 | }; | |
58 | ||
59 | static void pn533_recv_response(struct urb *urb) | |
60 | { | |
61 | struct pn533_usb_phy *phy = urb->context; | |
62 | struct sk_buff *skb = NULL; | |
63 | ||
64 | if (!urb->status) { | |
ecc443c0 | 65 | skb = alloc_skb(urb->actual_length, GFP_ATOMIC); |
9815c7cf MT |
66 | if (!skb) { |
67 | nfc_err(&phy->udev->dev, "failed to alloc memory\n"); | |
68 | } else { | |
59ae1d12 JB |
69 | skb_put_data(skb, urb->transfer_buffer, |
70 | urb->actual_length); | |
9815c7cf MT |
71 | } |
72 | } | |
73 | ||
74 | pn533_recv_frame(phy->priv, skb, urb->status); | |
75 | } | |
76 | ||
77 | static int pn533_submit_urb_for_response(struct pn533_usb_phy *phy, gfp_t flags) | |
78 | { | |
79 | phy->in_urb->complete = pn533_recv_response; | |
80 | ||
81 | return usb_submit_urb(phy->in_urb, flags); | |
82 | } | |
83 | ||
84 | static void pn533_recv_ack(struct urb *urb) | |
85 | { | |
86 | struct pn533_usb_phy *phy = urb->context; | |
87 | struct pn533 *priv = phy->priv; | |
88 | struct pn533_cmd *cmd = priv->cmd; | |
89 | struct pn533_std_frame *in_frame; | |
90 | int rc; | |
91 | ||
92 | cmd->status = urb->status; | |
93 | ||
94 | switch (urb->status) { | |
95 | case 0: | |
96 | break; /* success */ | |
97 | case -ECONNRESET: | |
98 | case -ENOENT: | |
99 | dev_dbg(&phy->udev->dev, | |
100 | "The urb has been stopped (status %d)\n", | |
101 | urb->status); | |
102 | goto sched_wq; | |
103 | case -ESHUTDOWN: | |
104 | default: | |
105 | nfc_err(&phy->udev->dev, | |
106 | "Urb failure (status %d)\n", urb->status); | |
107 | goto sched_wq; | |
108 | } | |
109 | ||
110 | in_frame = phy->in_urb->transfer_buffer; | |
111 | ||
112 | if (!pn533_rx_frame_is_ack(in_frame)) { | |
113 | nfc_err(&phy->udev->dev, "Received an invalid ack\n"); | |
114 | cmd->status = -EIO; | |
115 | goto sched_wq; | |
116 | } | |
117 | ||
118 | rc = pn533_submit_urb_for_response(phy, GFP_ATOMIC); | |
119 | if (rc) { | |
120 | nfc_err(&phy->udev->dev, | |
121 | "usb_submit_urb failed with result %d\n", rc); | |
122 | cmd->status = rc; | |
123 | goto sched_wq; | |
124 | } | |
125 | ||
126 | return; | |
127 | ||
128 | sched_wq: | |
129 | queue_work(priv->wq, &priv->cmd_complete_work); | |
130 | } | |
131 | ||
132 | static int pn533_submit_urb_for_ack(struct pn533_usb_phy *phy, gfp_t flags) | |
133 | { | |
134 | phy->in_urb->complete = pn533_recv_ack; | |
135 | ||
136 | return usb_submit_urb(phy->in_urb, flags); | |
137 | } | |
138 | ||
139 | static int pn533_usb_send_ack(struct pn533 *dev, gfp_t flags) | |
140 | { | |
141 | struct pn533_usb_phy *phy = dev->phy; | |
8b55d758 | 142 | static const u8 ack[6] = {0x00, 0x00, 0xff, 0x00, 0xff, 0x00}; |
9815c7cf | 143 | /* spec 7.1.1.3: Preamble, SoPC (2), ACK Code (2), Postamble */ |
9815c7cf | 144 | |
dbafc289 GKH |
145 | if (!phy->ack_buffer) { |
146 | phy->ack_buffer = kmemdup(ack, sizeof(ack), flags); | |
147 | if (!phy->ack_buffer) | |
148 | return -ENOMEM; | |
149 | } | |
9815c7cf | 150 | |
dbafc289 GKH |
151 | phy->ack_urb->transfer_buffer = phy->ack_buffer; |
152 | phy->ack_urb->transfer_buffer_length = sizeof(ack); | |
153 | return usb_submit_urb(phy->ack_urb, flags); | |
9815c7cf MT |
154 | } |
155 | ||
9dab880d MK |
156 | struct pn533_out_arg { |
157 | struct pn533_usb_phy *phy; | |
158 | struct completion done; | |
159 | }; | |
160 | ||
9815c7cf MT |
161 | static int pn533_usb_send_frame(struct pn533 *dev, |
162 | struct sk_buff *out) | |
163 | { | |
164 | struct pn533_usb_phy *phy = dev->phy; | |
9dab880d MK |
165 | struct pn533_out_arg arg; |
166 | void *cntx; | |
9815c7cf MT |
167 | int rc; |
168 | ||
169 | if (phy->priv == NULL) | |
170 | phy->priv = dev; | |
171 | ||
172 | phy->out_urb->transfer_buffer = out->data; | |
173 | phy->out_urb->transfer_buffer_length = out->len; | |
174 | ||
175 | print_hex_dump_debug("PN533 TX: ", DUMP_PREFIX_NONE, 16, 1, | |
176 | out->data, out->len, false); | |
177 | ||
484b7059 | 178 | arg.phy = phy; |
9dab880d MK |
179 | init_completion(&arg.done); |
180 | cntx = phy->out_urb->context; | |
181 | phy->out_urb->context = &arg; | |
182 | ||
9815c7cf MT |
183 | rc = usb_submit_urb(phy->out_urb, GFP_KERNEL); |
184 | if (rc) | |
185 | return rc; | |
186 | ||
9dab880d MK |
187 | wait_for_completion(&arg.done); |
188 | phy->out_urb->context = cntx; | |
189 | ||
9815c7cf MT |
190 | if (dev->protocol_type == PN533_PROTO_REQ_RESP) { |
191 | /* request for response for sent packet directly */ | |
ecc443c0 | 192 | rc = pn533_submit_urb_for_response(phy, GFP_KERNEL); |
9815c7cf MT |
193 | if (rc) |
194 | goto error; | |
195 | } else if (dev->protocol_type == PN533_PROTO_REQ_ACK_RESP) { | |
196 | /* request for ACK if that's the case */ | |
197 | rc = pn533_submit_urb_for_ack(phy, GFP_KERNEL); | |
198 | if (rc) | |
199 | goto error; | |
200 | } | |
201 | ||
202 | return 0; | |
203 | ||
204 | error: | |
205 | usb_unlink_urb(phy->out_urb); | |
206 | return rc; | |
207 | } | |
208 | ||
209 | static void pn533_usb_abort_cmd(struct pn533 *dev, gfp_t flags) | |
210 | { | |
211 | struct pn533_usb_phy *phy = dev->phy; | |
212 | ||
213 | /* ACR122U does not support any command which aborts last | |
214 | * issued command i.e. as ACK for standard PN533. Additionally, | |
215 | * it behaves stange, sending broken or incorrect responses, | |
216 | * when we cancel urb before the chip will send response. | |
217 | */ | |
218 | if (dev->device_type == PN533_DEVICE_ACR122U) | |
219 | return; | |
220 | ||
221 | /* An ack will cancel the last issued command */ | |
222 | pn533_usb_send_ack(dev, flags); | |
223 | ||
224 | /* cancel the urb request */ | |
225 | usb_kill_urb(phy->in_urb); | |
226 | } | |
227 | ||
f5499c67 | 228 | /* ACR122 specific structs and functions */ |
9815c7cf MT |
229 | |
230 | /* ACS ACR122 pn533 frame definitions */ | |
231 | #define PN533_ACR122_TX_FRAME_HEADER_LEN (sizeof(struct pn533_acr122_tx_frame) \ | |
232 | + 2) | |
233 | #define PN533_ACR122_TX_FRAME_TAIL_LEN 0 | |
234 | #define PN533_ACR122_RX_FRAME_HEADER_LEN (sizeof(struct pn533_acr122_rx_frame) \ | |
235 | + 2) | |
236 | #define PN533_ACR122_RX_FRAME_TAIL_LEN 2 | |
237 | #define PN533_ACR122_FRAME_MAX_PAYLOAD_LEN PN533_STD_FRAME_MAX_PAYLOAD_LEN | |
238 | ||
239 | /* CCID messages types */ | |
240 | #define PN533_ACR122_PC_TO_RDR_ICCPOWERON 0x62 | |
241 | #define PN533_ACR122_PC_TO_RDR_ESCAPE 0x6B | |
242 | ||
243 | #define PN533_ACR122_RDR_TO_PC_ESCAPE 0x83 | |
244 | ||
245 | ||
246 | struct pn533_acr122_ccid_hdr { | |
247 | u8 type; | |
248 | u32 datalen; | |
249 | u8 slot; | |
250 | u8 seq; | |
251 | ||
252 | /* | |
253 | * 3 msg specific bytes or status, error and 1 specific | |
254 | * byte for reposnse msg | |
255 | */ | |
256 | u8 params[3]; | |
257 | u8 data[]; /* payload */ | |
258 | } __packed; | |
259 | ||
260 | struct pn533_acr122_apdu_hdr { | |
261 | u8 class; | |
262 | u8 ins; | |
263 | u8 p1; | |
264 | u8 p2; | |
265 | } __packed; | |
266 | ||
267 | struct pn533_acr122_tx_frame { | |
268 | struct pn533_acr122_ccid_hdr ccid; | |
269 | struct pn533_acr122_apdu_hdr apdu; | |
270 | u8 datalen; | |
271 | u8 data[]; /* pn533 frame: TFI ... */ | |
272 | } __packed; | |
273 | ||
274 | struct pn533_acr122_rx_frame { | |
275 | struct pn533_acr122_ccid_hdr ccid; | |
276 | u8 data[]; /* pn533 frame : TFI ... */ | |
277 | } __packed; | |
278 | ||
279 | static void pn533_acr122_tx_frame_init(void *_frame, u8 cmd_code) | |
280 | { | |
281 | struct pn533_acr122_tx_frame *frame = _frame; | |
282 | ||
283 | frame->ccid.type = PN533_ACR122_PC_TO_RDR_ESCAPE; | |
284 | /* sizeof(apdu_hdr) + sizeof(datalen) */ | |
285 | frame->ccid.datalen = sizeof(frame->apdu) + 1; | |
286 | frame->ccid.slot = 0; | |
287 | frame->ccid.seq = 0; | |
288 | frame->ccid.params[0] = 0; | |
289 | frame->ccid.params[1] = 0; | |
290 | frame->ccid.params[2] = 0; | |
291 | ||
292 | frame->data[0] = PN533_STD_FRAME_DIR_OUT; | |
293 | frame->data[1] = cmd_code; | |
294 | frame->datalen = 2; /* data[0] + data[1] */ | |
295 | ||
296 | frame->apdu.class = 0xFF; | |
297 | frame->apdu.ins = 0; | |
298 | frame->apdu.p1 = 0; | |
299 | frame->apdu.p2 = 0; | |
300 | } | |
301 | ||
302 | static void pn533_acr122_tx_frame_finish(void *_frame) | |
303 | { | |
304 | struct pn533_acr122_tx_frame *frame = _frame; | |
305 | ||
306 | frame->ccid.datalen += frame->datalen; | |
307 | } | |
308 | ||
309 | static void pn533_acr122_tx_update_payload_len(void *_frame, int len) | |
310 | { | |
311 | struct pn533_acr122_tx_frame *frame = _frame; | |
312 | ||
313 | frame->datalen += len; | |
314 | } | |
315 | ||
316 | static bool pn533_acr122_is_rx_frame_valid(void *_frame, struct pn533 *dev) | |
317 | { | |
318 | struct pn533_acr122_rx_frame *frame = _frame; | |
319 | ||
320 | if (frame->ccid.type != 0x83) | |
321 | return false; | |
322 | ||
323 | if (!frame->ccid.datalen) | |
324 | return false; | |
325 | ||
326 | if (frame->data[frame->ccid.datalen - 2] == 0x63) | |
327 | return false; | |
328 | ||
329 | return true; | |
330 | } | |
331 | ||
332 | static int pn533_acr122_rx_frame_size(void *frame) | |
333 | { | |
334 | struct pn533_acr122_rx_frame *f = frame; | |
335 | ||
336 | /* f->ccid.datalen already includes tail length */ | |
337 | return sizeof(struct pn533_acr122_rx_frame) + f->ccid.datalen; | |
338 | } | |
339 | ||
340 | static u8 pn533_acr122_get_cmd_code(void *frame) | |
341 | { | |
342 | struct pn533_acr122_rx_frame *f = frame; | |
343 | ||
344 | return PN533_FRAME_CMD(f); | |
345 | } | |
346 | ||
347 | static struct pn533_frame_ops pn533_acr122_frame_ops = { | |
348 | .tx_frame_init = pn533_acr122_tx_frame_init, | |
349 | .tx_frame_finish = pn533_acr122_tx_frame_finish, | |
350 | .tx_update_payload_len = pn533_acr122_tx_update_payload_len, | |
351 | .tx_header_len = PN533_ACR122_TX_FRAME_HEADER_LEN, | |
352 | .tx_tail_len = PN533_ACR122_TX_FRAME_TAIL_LEN, | |
353 | ||
354 | .rx_is_frame_valid = pn533_acr122_is_rx_frame_valid, | |
355 | .rx_header_len = PN533_ACR122_RX_FRAME_HEADER_LEN, | |
356 | .rx_tail_len = PN533_ACR122_RX_FRAME_TAIL_LEN, | |
357 | .rx_frame_size = pn533_acr122_rx_frame_size, | |
358 | ||
359 | .max_payload_len = PN533_ACR122_FRAME_MAX_PAYLOAD_LEN, | |
360 | .get_cmd_code = pn533_acr122_get_cmd_code, | |
361 | }; | |
362 | ||
363 | struct pn533_acr122_poweron_rdr_arg { | |
364 | int rc; | |
365 | struct completion done; | |
366 | }; | |
367 | ||
368 | static void pn533_acr122_poweron_rdr_resp(struct urb *urb) | |
369 | { | |
370 | struct pn533_acr122_poweron_rdr_arg *arg = urb->context; | |
371 | ||
9815c7cf MT |
372 | print_hex_dump_debug("ACR122 RX: ", DUMP_PREFIX_NONE, 16, 1, |
373 | urb->transfer_buffer, urb->transfer_buffer_length, | |
374 | false); | |
375 | ||
376 | arg->rc = urb->status; | |
377 | complete(&arg->done); | |
378 | } | |
379 | ||
380 | static int pn533_acr122_poweron_rdr(struct pn533_usb_phy *phy) | |
381 | { | |
382 | /* Power on th reader (CCID cmd) */ | |
383 | u8 cmd[10] = {PN533_ACR122_PC_TO_RDR_ICCPOWERON, | |
384 | 0, 0, 0, 0, 0, 0, 3, 0, 0}; | |
dbafc289 GKH |
385 | char *buffer; |
386 | int transferred; | |
9815c7cf MT |
387 | int rc; |
388 | void *cntx; | |
389 | struct pn533_acr122_poweron_rdr_arg arg; | |
390 | ||
dbafc289 GKH |
391 | buffer = kmemdup(cmd, sizeof(cmd), GFP_KERNEL); |
392 | if (!buffer) | |
393 | return -ENOMEM; | |
394 | ||
9815c7cf MT |
395 | init_completion(&arg.done); |
396 | cntx = phy->in_urb->context; /* backup context */ | |
397 | ||
398 | phy->in_urb->complete = pn533_acr122_poweron_rdr_resp; | |
399 | phy->in_urb->context = &arg; | |
400 | ||
9815c7cf MT |
401 | print_hex_dump_debug("ACR122 TX: ", DUMP_PREFIX_NONE, 16, 1, |
402 | cmd, sizeof(cmd), false); | |
403 | ||
dbafc289 | 404 | rc = usb_bulk_msg(phy->udev, phy->out_urb->pipe, buffer, sizeof(cmd), |
a112adaf | 405 | &transferred, 5000); |
dbafc289 GKH |
406 | kfree(buffer); |
407 | if (rc || (transferred != sizeof(cmd))) { | |
9815c7cf MT |
408 | nfc_err(&phy->udev->dev, |
409 | "Reader power on cmd error %d\n", rc); | |
410 | return rc; | |
411 | } | |
412 | ||
413 | rc = usb_submit_urb(phy->in_urb, GFP_KERNEL); | |
414 | if (rc) { | |
415 | nfc_err(&phy->udev->dev, | |
416 | "Can't submit reader poweron cmd response %d\n", rc); | |
417 | return rc; | |
418 | } | |
419 | ||
420 | wait_for_completion(&arg.done); | |
421 | phy->in_urb->context = cntx; /* restore context */ | |
422 | ||
423 | return arg.rc; | |
424 | } | |
425 | ||
9dab880d MK |
426 | static void pn533_out_complete(struct urb *urb) |
427 | { | |
428 | struct pn533_out_arg *arg = urb->context; | |
429 | struct pn533_usb_phy *phy = arg->phy; | |
430 | ||
431 | switch (urb->status) { | |
432 | case 0: | |
433 | break; /* success */ | |
434 | case -ECONNRESET: | |
435 | case -ENOENT: | |
436 | dev_dbg(&phy->udev->dev, | |
437 | "The urb has been stopped (status %d)\n", | |
438 | urb->status); | |
439 | break; | |
440 | case -ESHUTDOWN: | |
441 | default: | |
442 | nfc_err(&phy->udev->dev, | |
443 | "Urb failure (status %d)\n", | |
444 | urb->status); | |
445 | } | |
446 | ||
447 | complete(&arg->done); | |
448 | } | |
449 | ||
450 | static void pn533_ack_complete(struct urb *urb) | |
9815c7cf MT |
451 | { |
452 | struct pn533_usb_phy *phy = urb->context; | |
453 | ||
454 | switch (urb->status) { | |
455 | case 0: | |
456 | break; /* success */ | |
457 | case -ECONNRESET: | |
458 | case -ENOENT: | |
459 | dev_dbg(&phy->udev->dev, | |
460 | "The urb has been stopped (status %d)\n", | |
461 | urb->status); | |
462 | break; | |
463 | case -ESHUTDOWN: | |
464 | default: | |
465 | nfc_err(&phy->udev->dev, | |
466 | "Urb failure (status %d)\n", | |
467 | urb->status); | |
468 | } | |
469 | } | |
470 | ||
bc642817 | 471 | static const struct pn533_phy_ops usb_phy_ops = { |
9815c7cf MT |
472 | .send_frame = pn533_usb_send_frame, |
473 | .send_ack = pn533_usb_send_ack, | |
474 | .abort_cmd = pn533_usb_abort_cmd, | |
475 | }; | |
476 | ||
477 | static int pn533_usb_probe(struct usb_interface *interface, | |
478 | const struct usb_device_id *id) | |
479 | { | |
480 | struct pn533 *priv; | |
481 | struct pn533_usb_phy *phy; | |
482 | struct usb_host_interface *iface_desc; | |
483 | struct usb_endpoint_descriptor *endpoint; | |
484 | int in_endpoint = 0; | |
485 | int out_endpoint = 0; | |
486 | int rc = -ENOMEM; | |
487 | int i; | |
488 | u32 protocols; | |
489 | enum pn533_protocol_type protocol_type = PN533_PROTO_REQ_ACK_RESP; | |
490 | struct pn533_frame_ops *fops = NULL; | |
491 | unsigned char *in_buf; | |
492 | int in_buf_len = PN533_EXT_FRAME_HEADER_LEN + | |
493 | PN533_STD_FRAME_MAX_PAYLOAD_LEN + | |
494 | PN533_STD_FRAME_TAIL_LEN; | |
495 | ||
496 | phy = devm_kzalloc(&interface->dev, sizeof(*phy), GFP_KERNEL); | |
497 | if (!phy) | |
498 | return -ENOMEM; | |
499 | ||
500 | in_buf = kzalloc(in_buf_len, GFP_KERNEL); | |
6d2f70ca DC |
501 | if (!in_buf) |
502 | return -ENOMEM; | |
9815c7cf MT |
503 | |
504 | phy->udev = usb_get_dev(interface_to_usbdev(interface)); | |
505 | phy->interface = interface; | |
506 | ||
507 | iface_desc = interface->cur_altsetting; | |
508 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
509 | endpoint = &iface_desc->endpoint[i].desc; | |
510 | ||
511 | if (!in_endpoint && usb_endpoint_is_bulk_in(endpoint)) | |
512 | in_endpoint = endpoint->bEndpointAddress; | |
513 | ||
514 | if (!out_endpoint && usb_endpoint_is_bulk_out(endpoint)) | |
515 | out_endpoint = endpoint->bEndpointAddress; | |
516 | } | |
517 | ||
518 | if (!in_endpoint || !out_endpoint) { | |
519 | nfc_err(&interface->dev, | |
520 | "Could not find bulk-in or bulk-out endpoint\n"); | |
521 | rc = -ENODEV; | |
522 | goto error; | |
523 | } | |
524 | ||
525 | phy->in_urb = usb_alloc_urb(0, GFP_KERNEL); | |
526 | phy->out_urb = usb_alloc_urb(0, GFP_KERNEL); | |
dbafc289 | 527 | phy->ack_urb = usb_alloc_urb(0, GFP_KERNEL); |
9815c7cf | 528 | |
dbafc289 | 529 | if (!phy->in_urb || !phy->out_urb || !phy->ack_urb) |
9815c7cf MT |
530 | goto error; |
531 | ||
532 | usb_fill_bulk_urb(phy->in_urb, phy->udev, | |
533 | usb_rcvbulkpipe(phy->udev, in_endpoint), | |
534 | in_buf, in_buf_len, NULL, phy); | |
535 | ||
536 | usb_fill_bulk_urb(phy->out_urb, phy->udev, | |
537 | usb_sndbulkpipe(phy->udev, out_endpoint), | |
9dab880d | 538 | NULL, 0, pn533_out_complete, phy); |
dbafc289 GKH |
539 | usb_fill_bulk_urb(phy->ack_urb, phy->udev, |
540 | usb_sndbulkpipe(phy->udev, out_endpoint), | |
9dab880d | 541 | NULL, 0, pn533_ack_complete, phy); |
9815c7cf MT |
542 | |
543 | switch (id->driver_info) { | |
544 | case PN533_DEVICE_STD: | |
545 | protocols = PN533_ALL_PROTOCOLS; | |
546 | break; | |
547 | ||
548 | case PN533_DEVICE_PASORI: | |
549 | protocols = PN533_NO_TYPE_B_PROTOCOLS; | |
550 | break; | |
551 | ||
552 | case PN533_DEVICE_ACR122U: | |
553 | protocols = PN533_NO_TYPE_B_PROTOCOLS; | |
554 | fops = &pn533_acr122_frame_ops; | |
102f19d6 | 555 | protocol_type = PN533_PROTO_REQ_RESP; |
9815c7cf MT |
556 | |
557 | rc = pn533_acr122_poweron_rdr(phy); | |
558 | if (rc < 0) { | |
559 | nfc_err(&interface->dev, | |
560 | "Couldn't poweron the reader (error %d)\n", rc); | |
561 | goto error; | |
562 | } | |
563 | break; | |
564 | ||
565 | default: | |
566 | nfc_err(&interface->dev, "Unknown device type %lu\n", | |
567 | id->driver_info); | |
568 | rc = -EINVAL; | |
569 | goto error; | |
570 | } | |
571 | ||
843cc92e | 572 | priv = pn53x_common_init(id->driver_info, protocol_type, |
9815c7cf | 573 | phy, &usb_phy_ops, fops, |
843cc92e | 574 | &phy->udev->dev); |
9815c7cf MT |
575 | |
576 | if (IS_ERR(priv)) { | |
577 | rc = PTR_ERR(priv); | |
578 | goto error; | |
579 | } | |
580 | ||
581 | phy->priv = priv; | |
9815c7cf | 582 | |
32ecc75d AR |
583 | rc = pn533_finalize_setup(priv); |
584 | if (rc) | |
843cc92e | 585 | goto err_clean; |
32ecc75d | 586 | |
9815c7cf | 587 | usb_set_intfdata(interface, phy); |
843cc92e LP |
588 | rc = pn53x_register_nfc(priv, protocols, &interface->dev); |
589 | if (rc) | |
590 | goto err_clean; | |
9815c7cf MT |
591 | |
592 | return 0; | |
593 | ||
843cc92e LP |
594 | err_clean: |
595 | pn53x_common_clean(priv); | |
9815c7cf | 596 | error: |
6af3aa57 JH |
597 | usb_kill_urb(phy->in_urb); |
598 | usb_kill_urb(phy->out_urb); | |
599 | usb_kill_urb(phy->ack_urb); | |
600 | ||
9815c7cf MT |
601 | usb_free_urb(phy->in_urb); |
602 | usb_free_urb(phy->out_urb); | |
dbafc289 | 603 | usb_free_urb(phy->ack_urb); |
9815c7cf MT |
604 | usb_put_dev(phy->udev); |
605 | kfree(in_buf); | |
6af3aa57 | 606 | kfree(phy->ack_buffer); |
6d2f70ca | 607 | |
9815c7cf MT |
608 | return rc; |
609 | } | |
610 | ||
611 | static void pn533_usb_disconnect(struct usb_interface *interface) | |
612 | { | |
613 | struct pn533_usb_phy *phy = usb_get_intfdata(interface); | |
614 | ||
615 | if (!phy) | |
616 | return; | |
617 | ||
843cc92e LP |
618 | pn53x_unregister_nfc(phy->priv); |
619 | pn53x_common_clean(phy->priv); | |
9815c7cf MT |
620 | |
621 | usb_set_intfdata(interface, NULL); | |
622 | ||
623 | usb_kill_urb(phy->in_urb); | |
624 | usb_kill_urb(phy->out_urb); | |
dbafc289 | 625 | usb_kill_urb(phy->ack_urb); |
9815c7cf MT |
626 | |
627 | kfree(phy->in_urb->transfer_buffer); | |
628 | usb_free_urb(phy->in_urb); | |
629 | usb_free_urb(phy->out_urb); | |
dbafc289 GKH |
630 | usb_free_urb(phy->ack_urb); |
631 | kfree(phy->ack_buffer); | |
9815c7cf MT |
632 | |
633 | nfc_info(&interface->dev, "NXP PN533 NFC device disconnected\n"); | |
634 | } | |
635 | ||
636 | static struct usb_driver pn533_usb_driver = { | |
637 | .name = "pn533_usb", | |
638 | .probe = pn533_usb_probe, | |
639 | .disconnect = pn533_usb_disconnect, | |
640 | .id_table = pn533_usb_table, | |
641 | }; | |
642 | ||
643 | module_usb_driver(pn533_usb_driver); | |
644 | ||
645 | MODULE_AUTHOR("Lauro Ramos Venancio <lauro.venancio@openbossa.org>"); | |
646 | MODULE_AUTHOR("Aloisio Almeida Jr <aloisio.almeida@openbossa.org>"); | |
647 | MODULE_AUTHOR("Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com>"); | |
648 | MODULE_DESCRIPTION("PN533 USB driver ver " VERSION); | |
649 | MODULE_VERSION(VERSION); | |
650 | MODULE_LICENSE("GPL"); |