summaryrefslogblamecommitdiffstats
path: root/drivers/nfc/fdp/fdp.c
blob: 7c1eaea3b68546dccbee989786a8f563932485e0 (plain) (tree)
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818







































































































                                                                            

                                                                                
















































































































































































































































                                                                               
                                       






                                                          
                    





































































                                                                        
                    






































































































































































































































































































































































































                                                                               
/* -------------------------------------------------------------------------
 * Copyright (C) 2014-2016, Intel Corporation
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 * -------------------------------------------------------------------------
 */

#include <linux/module.h>
#include <linux/nfc.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <net/nfc/nci_core.h>

#include "fdp.h"

#define FDP_OTP_PATCH_NAME			"otp.bin"
#define FDP_RAM_PATCH_NAME			"ram.bin"
#define FDP_FW_HEADER_SIZE			576
#define FDP_FW_UPDATE_SLEEP			1000

#define NCI_GET_VERSION_TIMEOUT			8000
#define NCI_PATCH_REQUEST_TIMEOUT		8000
#define FDP_PATCH_CONN_DEST			0xC2
#define FDP_PATCH_CONN_PARAM_TYPE		0xA0

#define NCI_PATCH_TYPE_RAM			0x00
#define NCI_PATCH_TYPE_OTP			0x01
#define NCI_PATCH_TYPE_EOT			0xFF

#define NCI_PARAM_ID_FW_RAM_VERSION		0xA0
#define NCI_PARAM_ID_FW_OTP_VERSION		0xA1
#define NCI_PARAM_ID_OTP_LIMITED_VERSION	0xC5
#define NCI_PARAM_ID_KEY_INDEX_ID		0xC6

#define NCI_GID_PROP				0x0F
#define NCI_OP_PROP_PATCH_OID			0x08
#define NCI_OP_PROP_SET_PDATA_OID		0x23

struct fdp_nci_info {
	struct nfc_phy_ops *phy_ops;
	struct fdp_i2c_phy *phy;
	struct nci_dev *ndev;

	const struct firmware *otp_patch;
	const struct firmware *ram_patch;
	u32 otp_patch_version;
	u32 ram_patch_version;

	u32 otp_version;
	u32 ram_version;
	u32 limited_otp_version;
	u8 key_index;

	u8 *fw_vsc_cfg;
	u8 clock_type;
	u32 clock_freq;

	atomic_t data_pkt_counter;
	void (*data_pkt_counter_cb)(struct nci_dev *ndev);
	u8 setup_patch_sent;
	u8 setup_patch_ntf;
	u8 setup_patch_status;
	u8 setup_reset_ntf;
	wait_queue_head_t setup_wq;
};

static u8 nci_core_get_config_otp_ram_version[5] = {
	0x04,
	NCI_PARAM_ID_FW_RAM_VERSION,
	NCI_PARAM_ID_FW_OTP_VERSION,
	NCI_PARAM_ID_OTP_LIMITED_VERSION,
	NCI_PARAM_ID_KEY_INDEX_ID
};

struct nci_core_get_config_rsp {
	u8 status;
	u8 count;
	u8 data[0];
};

static int fdp_nci_create_conn(struct nci_dev *ndev)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct core_conn_create_dest_spec_params param;
	int r;

	/* proprietary destination specific paramerer without value */
	param.type = FDP_PATCH_CONN_PARAM_TYPE;
	param.length = 0x00;

	r = nci_core_conn_create(info->ndev, FDP_PATCH_CONN_DEST, 1,
				 sizeof(param), &param);
	if (r)
		return r;

	return nci_get_conn_info_by_dest_type_params(ndev,
						     FDP_PATCH_CONN_DEST, NULL);
}

static inline int fdp_nci_get_versions(struct nci_dev *ndev)
{
	return nci_core_cmd(ndev, NCI_OP_CORE_GET_CONFIG_CMD,
			    sizeof(nci_core_get_config_otp_ram_version),
			    (__u8 *) &nci_core_get_config_otp_ram_version);
}

static inline int fdp_nci_patch_cmd(struct nci_dev *ndev, u8 type)
{
	return nci_prop_cmd(ndev, NCI_OP_PROP_PATCH_OID, sizeof(type), &type);
}

static inline int fdp_nci_set_production_data(struct nci_dev *ndev, u8 len,
					      char *data)
{
	return nci_prop_cmd(ndev, NCI_OP_PROP_SET_PDATA_OID, len, data);
}

static int fdp_nci_set_clock(struct nci_dev *ndev, u8 clock_type,
			     u32 clock_freq)
{
	u32 fc = 13560;
	u32 nd, num, delta;
	char data[9];

	nd = (24 * fc) / clock_freq;
	delta = 24 * fc - nd * clock_freq;
	num = (32768 * delta) / clock_freq;

	data[0] = 0x00;
	data[1] = 0x00;
	data[2] = 0x00;

	data[3] = 0x10;
	data[4] = 0x04;
	data[5] = num & 0xFF;
	data[6] = (num >> 8) & 0xff;
	data[7] = nd;
	data[8] = clock_type;

	return fdp_nci_set_production_data(ndev, 9, data);
}

static void fdp_nci_send_patch_cb(struct nci_dev *ndev)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);

	info->setup_patch_sent = 1;
	wake_up(&info->setup_wq);
}

/**
 * Register a packet sent counter and a callback
 *
 * We have no other way of knowing when all firmware packets were sent out
 * on the i2c bus. We need to know that in order to close the connection and
 * send the patch end message.
 */
static void fdp_nci_set_data_pkt_counter(struct nci_dev *ndev,
				  void (*cb)(struct nci_dev *ndev), int count)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;

	dev_dbg(dev, "NCI data pkt counter %d\n", count);
	atomic_set(&info->data_pkt_counter, count);
	info->data_pkt_counter_cb = cb;
}

/**
 * The device is expecting a stream of packets. All packets need to
 * have the PBF flag set to 0x0 (last packet) even if the firmware
 * file is segmented and there are multiple packets. If we give the
 * whole firmware to nci_send_data it will segment it and it will set
 * the PBF flag to 0x01 so we need to do the segmentation here.
 *
 * The firmware will be analyzed and applied when we send NCI_OP_PROP_PATCH_CMD
 * command with NCI_PATCH_TYPE_EOT parameter. The device will send a
 * NFCC_PATCH_NTF packaet and a NCI_OP_CORE_RESET_NTF packet.
 */
static int fdp_nci_send_patch(struct nci_dev *ndev, u8 conn_id, u8 type)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	const struct firmware *fw;
	struct sk_buff *skb;
	unsigned long len;
	u8 max_size, payload_size;
	int rc = 0;

	if ((type == NCI_PATCH_TYPE_OTP && !info->otp_patch) ||
	    (type == NCI_PATCH_TYPE_RAM && !info->ram_patch))
		return -EINVAL;

	if (type == NCI_PATCH_TYPE_OTP)
		fw = info->otp_patch;
	else
		fw = info->ram_patch;

	max_size = nci_conn_max_data_pkt_payload_size(ndev, conn_id);
	if (max_size <= 0)
		return -EINVAL;

	len = fw->size;

	fdp_nci_set_data_pkt_counter(ndev, fdp_nci_send_patch_cb,
				     DIV_ROUND_UP(fw->size, max_size));

	while (len) {

		payload_size = min_t(unsigned long, (unsigned long) max_size,
				     len);

		skb = nci_skb_alloc(ndev, (NCI_CTRL_HDR_SIZE + payload_size),
				    GFP_KERNEL);
		if (!skb) {
			fdp_nci_set_data_pkt_counter(ndev, NULL, 0);
			return -ENOMEM;
		}


		skb_reserve(skb, NCI_CTRL_HDR_SIZE);

		memcpy(skb_put(skb, payload_size), fw->data + (fw->size - len),
		       payload_size);

		rc = nci_send_data(ndev, conn_id, skb);

		if (rc) {
			fdp_nci_set_data_pkt_counter(ndev, NULL, 0);
			return rc;
		}

		len -= payload_size;
	}

	return rc;
}

static int fdp_nci_open(struct nci_dev *ndev)
{
	int r;
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;

	dev_dbg(dev, "%s\n", __func__);

	r = info->phy_ops->enable(info->phy);

	return r;
}

static int fdp_nci_close(struct nci_dev *ndev)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;

	dev_dbg(dev, "%s\n", __func__);
	return 0;
}

static int fdp_nci_send(struct nci_dev *ndev, struct sk_buff *skb)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;

	dev_dbg(dev, "%s\n", __func__);

	if (atomic_dec_and_test(&info->data_pkt_counter))
		info->data_pkt_counter_cb(ndev);

	return info->phy_ops->write(info->phy, skb);
}

int fdp_nci_recv_frame(struct nci_dev *ndev, struct sk_buff *skb)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;

	dev_dbg(dev, "%s\n", __func__);
	return nci_recv_frame(ndev, skb);
}
EXPORT_SYMBOL(fdp_nci_recv_frame);

static int fdp_nci_request_firmware(struct nci_dev *ndev)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;
	u8 *data;
	int r;

	r = request_firmware(&info->ram_patch, FDP_RAM_PATCH_NAME, dev);
	if (r < 0) {
		nfc_err(dev, "RAM patch request error\n");
		goto error;
	}

	data = (u8 *) info->ram_patch->data;
	info->ram_patch_version =
		data[FDP_FW_HEADER_SIZE] |
		(data[FDP_FW_HEADER_SIZE + 1] << 8) |
		(data[FDP_FW_HEADER_SIZE + 2] << 16) |
		(data[FDP_FW_HEADER_SIZE + 3] << 24);

	dev_dbg(dev, "RAM patch version: %d, size: %d\n",
		  info->ram_patch_version, (int) info->ram_patch->size);


	r = request_firmware(&info->otp_patch, FDP_OTP_PATCH_NAME, dev);
	if (r < 0) {
		nfc_err(dev, "OTP patch request error\n");
		goto out;
	}

	data = (u8 *) info->otp_patch->data;
	info->otp_patch_version =
		data[FDP_FW_HEADER_SIZE] |
		(data[FDP_FW_HEADER_SIZE + 1] << 8) |
		(data[FDP_FW_HEADER_SIZE+2] << 16) |
		(data[FDP_FW_HEADER_SIZE+3] << 24);

	dev_dbg(dev, "OTP patch version: %d, size: %d\n",
		 info->otp_patch_version, (int) info->otp_patch->size);
out:
	return 0;
error:
	return r;
}

static void fdp_nci_release_firmware(struct nci_dev *ndev)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);

	if (info->otp_patch) {
		release_firmware(info->otp_patch);
		info->otp_patch = NULL;
	}

	if (info->ram_patch) {
		release_firmware(info->ram_patch);
		info->ram_patch = NULL;
	}
}

static int fdp_nci_patch_otp(struct nci_dev *ndev)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;
	int conn_id;
	int r = 0;

	if (info->otp_version >= info->otp_patch_version)
		goto out;

	info->setup_patch_sent = 0;
	info->setup_reset_ntf = 0;
	info->setup_patch_ntf = 0;

	/* Patch init request */
	r = fdp_nci_patch_cmd(ndev, NCI_PATCH_TYPE_OTP);
	if (r)
		goto out;

	/* Patch data connection creation */
	conn_id = fdp_nci_create_conn(ndev);
	if (conn_id < 0) {
		r = conn_id;
		goto out;
	}

	/* Send the patch over the data connection */
	r = fdp_nci_send_patch(ndev, conn_id, NCI_PATCH_TYPE_OTP);
	if (r)
		goto out;

	/* Wait for all the packets to be send over i2c */
	wait_event_interruptible(info->setup_wq,
				 info->setup_patch_sent == 1);

	/* make sure that the NFCC processed the last data packet */
	msleep(FDP_FW_UPDATE_SLEEP);

	/* Close the data connection */
	r = nci_core_conn_close(info->ndev, conn_id);
	if (r)
		goto out;

	/* Patch finish message */
	if (fdp_nci_patch_cmd(ndev, NCI_PATCH_TYPE_EOT)) {
		nfc_err(dev, "OTP patch error 0x%x\n", r);
		r = -EINVAL;
		goto out;
	}

	/* If the patch notification didn't arrive yet, wait for it */
	wait_event_interruptible(info->setup_wq, info->setup_patch_ntf);

	/* Check if the patching was successful */
	r = info->setup_patch_status;
	if (r) {
		nfc_err(dev, "OTP patch error 0x%x\n", r);
		r = -EINVAL;
		goto out;
	}

	/*
	 * We need to wait for the reset notification before we
	 * can continue
	 */
	wait_event_interruptible(info->setup_wq, info->setup_reset_ntf);

out:
	return r;
}

static int fdp_nci_patch_ram(struct nci_dev *ndev)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;
	int conn_id;
	int r = 0;

	if (info->ram_version >= info->ram_patch_version)
		goto out;

	info->setup_patch_sent = 0;
	info->setup_reset_ntf = 0;
	info->setup_patch_ntf = 0;

	/* Patch init request */
	r = fdp_nci_patch_cmd(ndev, NCI_PATCH_TYPE_RAM);
	if (r)
		goto out;

	/* Patch data connection creation */
	conn_id = fdp_nci_create_conn(ndev);
	if (conn_id < 0) {
		r = conn_id;
		goto out;
	}

	/* Send the patch over the data connection */
	r = fdp_nci_send_patch(ndev, conn_id, NCI_PATCH_TYPE_RAM);
	if (r)
		goto out;

	/* Wait for all the packets to be send over i2c */
	wait_event_interruptible(info->setup_wq,
				 info->setup_patch_sent == 1);

	/* make sure that the NFCC processed the last data packet */
	msleep(FDP_FW_UPDATE_SLEEP);

	/* Close the data connection */
	r = nci_core_conn_close(info->ndev, conn_id);
	if (r)
		goto out;

	/* Patch finish message */
	if (fdp_nci_patch_cmd(ndev, NCI_PATCH_TYPE_EOT)) {
		nfc_err(dev, "RAM patch error 0x%x\n", r);
		r = -EINVAL;
		goto out;
	}

	/* If the patch notification didn't arrive yet, wait for it */
	wait_event_interruptible(info->setup_wq, info->setup_patch_ntf);

	/* Check if the patching was successful */
	r = info->setup_patch_status;
	if (r) {
		nfc_err(dev, "RAM patch error 0x%x\n", r);
		r = -EINVAL;
		goto out;
	}

	/*
	 * We need to wait for the reset notification before we
	 * can continue
	 */
	wait_event_interruptible(info->setup_wq, info->setup_reset_ntf);

out:
	return r;
}

static int fdp_nci_setup(struct nci_dev *ndev)
{
	/* Format: total length followed by an NCI packet */
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;
	int r;
	u8 patched = 0;

	dev_dbg(dev, "%s\n", __func__);

	r = nci_core_init(ndev);
	if (r)
		goto error;

	/* Get RAM and OTP version */
	r = fdp_nci_get_versions(ndev);
	if (r)
		goto error;

	/* Load firmware from disk */
	r = fdp_nci_request_firmware(ndev);
	if (r)
		goto error;

	/* Update OTP */
	if (info->otp_version < info->otp_patch_version) {
		r = fdp_nci_patch_otp(ndev);
		if (r)
			goto error;
		patched = 1;
	}

	/* Update RAM */
	if (info->ram_version < info->ram_patch_version) {
		r = fdp_nci_patch_ram(ndev);
		if (r)
			goto error;
		patched = 1;
	}

	/* Release the firmware buffers */
	fdp_nci_release_firmware(ndev);

	/* If a patch was applied the new version is checked */
	if (patched) {
		r = nci_core_init(ndev);
		if (r)
			goto error;

		r = fdp_nci_get_versions(ndev);
		if (r)
			goto error;

		if (info->otp_version != info->otp_patch_version ||
		    info->ram_version != info->ram_patch_version) {
			nfc_err(dev, "Firmware update failed");
			r = -EINVAL;
			goto error;
		}
	}

	/*
	 * We initialized the devices but the NFC subsystem expects
	 * it to not be initialized.
	 */
	return nci_core_reset(ndev);

error:
	fdp_nci_release_firmware(ndev);
	nfc_err(dev, "Setup error %d\n", r);
	return r;
}

static int fdp_nci_post_setup(struct nci_dev *ndev)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;
	int r;

	/* Check if the device has VSC */
	if (info->fw_vsc_cfg && info->fw_vsc_cfg[0]) {

		/* Set the vendor specific configuration */
		r = fdp_nci_set_production_data(ndev, info->fw_vsc_cfg[3],
						&info->fw_vsc_cfg[4]);
		if (r) {
			nfc_err(dev, "Vendor specific config set error %d\n",
				r);
			return r;
		}
	}

	/* Set clock type and frequency */
	r = fdp_nci_set_clock(ndev, info->clock_type, info->clock_freq);
	if (r) {
		nfc_err(dev, "Clock set error %d\n", r);
		return r;
	}

	/*
	 * In order to apply the VSC FDP needs a reset
	 */
	r = nci_core_reset(ndev);
	if (r)
		return r;

	/**
	 * The nci core was initialized when post setup was called
	 * so we leave it like that
	 */
	return nci_core_init(ndev);
}

static int fdp_nci_core_reset_ntf_packet(struct nci_dev *ndev,
					  struct sk_buff *skb)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;

	dev_dbg(dev, "%s\n", __func__);
	info->setup_reset_ntf = 1;
	wake_up(&info->setup_wq);

	return 0;
}

static int fdp_nci_prop_patch_ntf_packet(struct nci_dev *ndev,
					  struct sk_buff *skb)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;

	dev_dbg(dev, "%s\n", __func__);
	info->setup_patch_ntf = 1;
	info->setup_patch_status = skb->data[0];
	wake_up(&info->setup_wq);

	return 0;
}

static int fdp_nci_prop_patch_rsp_packet(struct nci_dev *ndev,
					  struct sk_buff *skb)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;
	u8 status = skb->data[0];

	dev_dbg(dev, "%s: status 0x%x\n", __func__, status);
	nci_req_complete(ndev, status);

	return 0;
}

static int fdp_nci_prop_set_production_data_rsp_packet(struct nci_dev *ndev,
							struct sk_buff *skb)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;
	u8 status = skb->data[0];

	dev_dbg(dev, "%s: status 0x%x\n", __func__, status);
	nci_req_complete(ndev, status);

	return 0;
}

static int fdp_nci_core_get_config_rsp_packet(struct nci_dev *ndev,
						struct sk_buff *skb)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;
	struct nci_core_get_config_rsp *rsp = (void *) skb->data;
	u8 i, *p;

	if (rsp->status == NCI_STATUS_OK) {

		p = rsp->data;
		for (i = 0; i < 4; i++) {

			switch (*p++) {
			case NCI_PARAM_ID_FW_RAM_VERSION:
				p++;
				info->ram_version = le32_to_cpup((__le32 *) p);
				p += 4;
				break;
			case NCI_PARAM_ID_FW_OTP_VERSION:
				p++;
				info->otp_version = le32_to_cpup((__le32 *) p);
				p += 4;
				break;
			case NCI_PARAM_ID_OTP_LIMITED_VERSION:
				p++;
				info->otp_version = le32_to_cpup((__le32 *) p);
				p += 4;
				break;
			case NCI_PARAM_ID_KEY_INDEX_ID:
				p++;
				info->key_index = *p++;
			}
		}
	}

	dev_dbg(dev, "OTP version %d\n", info->otp_version);
	dev_dbg(dev, "RAM version %d\n", info->ram_version);
	dev_dbg(dev, "key index %d\n", info->key_index);
	dev_dbg(dev, "%s: status 0x%x\n", __func__, rsp->status);

	nci_req_complete(ndev, rsp->status);

	return 0;
}

static struct nci_driver_ops fdp_core_ops[] = {
	{
		.opcode = NCI_OP_CORE_GET_CONFIG_RSP,
		.rsp = fdp_nci_core_get_config_rsp_packet,
	},
	{
		.opcode = NCI_OP_CORE_RESET_NTF,
		.ntf = fdp_nci_core_reset_ntf_packet,
	},
};

static struct nci_driver_ops fdp_prop_ops[] = {
	{
		.opcode = nci_opcode_pack(NCI_GID_PROP, NCI_OP_PROP_PATCH_OID),
		.rsp = fdp_nci_prop_patch_rsp_packet,
		.ntf = fdp_nci_prop_patch_ntf_packet,
	},
	{
		.opcode = nci_opcode_pack(NCI_GID_PROP,
					  NCI_OP_PROP_SET_PDATA_OID),
		.rsp = fdp_nci_prop_set_production_data_rsp_packet,
	},
};

struct nci_ops nci_ops = {
	.open = fdp_nci_open,
	.close = fdp_nci_close,
	.send = fdp_nci_send,
	.setup = fdp_nci_setup,
	.post_setup = fdp_nci_post_setup,
	.prop_ops = fdp_prop_ops,
	.n_prop_ops = ARRAY_SIZE(fdp_prop_ops),
	.core_ops = fdp_core_ops,
	.n_core_ops = ARRAY_SIZE(fdp_core_ops),
};

int fdp_nci_probe(struct fdp_i2c_phy *phy, struct nfc_phy_ops *phy_ops,
			struct nci_dev **ndevp, int tx_headroom,
			int tx_tailroom, u8 clock_type, u32 clock_freq,
			u8 *fw_vsc_cfg)
{
	struct device *dev = &phy->i2c_dev->dev;
	struct fdp_nci_info *info;
	struct nci_dev *ndev;
	u32 protocols;
	int r;

	info = kzalloc(sizeof(struct fdp_nci_info), GFP_KERNEL);
	if (!info) {
		r = -ENOMEM;
		goto err_info_alloc;
	}

	info->phy = phy;
	info->phy_ops = phy_ops;
	info->clock_type = clock_type;
	info->clock_freq = clock_freq;
	info->fw_vsc_cfg = fw_vsc_cfg;

	init_waitqueue_head(&info->setup_wq);

	protocols = NFC_PROTO_JEWEL_MASK |
		    NFC_PROTO_MIFARE_MASK |
		    NFC_PROTO_FELICA_MASK |
		    NFC_PROTO_ISO14443_MASK |
		    NFC_PROTO_ISO14443_B_MASK |
		    NFC_PROTO_NFC_DEP_MASK |
		    NFC_PROTO_ISO15693_MASK;

	ndev = nci_allocate_device(&nci_ops, protocols, tx_headroom,
				   tx_tailroom);
	if (!ndev) {
		nfc_err(dev, "Cannot allocate nfc ndev\n");
		r = -ENOMEM;
		goto err_alloc_ndev;
	}

	r = nci_register_device(ndev);
	if (r)
		goto err_regdev;

	*ndevp = ndev;
	info->ndev = ndev;

	nci_set_drvdata(ndev, info);

	return 0;

err_regdev:
	nci_free_device(ndev);
err_alloc_ndev:
	kfree(info);
err_info_alloc:
	return r;
}
EXPORT_SYMBOL(fdp_nci_probe);

void fdp_nci_remove(struct nci_dev *ndev)
{
	struct fdp_nci_info *info = nci_get_drvdata(ndev);
	struct device *dev = &info->phy->i2c_dev->dev;

	dev_dbg(dev, "%s\n", __func__);

	nci_unregister_device(ndev);
	nci_free_device(ndev);
	kfree(info);
}
EXPORT_SYMBOL(fdp_nci_remove);

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("NFC NCI driver for Intel Fields Peak NFC controller");
MODULE_AUTHOR("Robert Dolca <robert.dolca@intel.com>");