Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 69 insertions, 0 deletions

diff --git a/drivers/nfc/pn544/mei.c b/drivers/nfc/pn544/mei.c
new file mode 100644
index 0000000000..c493f2dbd0
--- /dev/null
+++ b/drivers/nfc/pn544/mei.c
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2013  Intel Corporation. All rights reserved.
+ *
+ * HCI based Driver for NXP pn544 NFC Chip
+ */
+
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/nfc.h>
+#include <net/nfc/hci.h>
+#include <net/nfc/llc.h>
+
+#include "../mei_phy.h"
+#include "pn544.h"
+
+#define PN544_DRIVER_NAME "pn544"
+
+static int pn544_mei_probe(struct mei_cl_device *cldev,
+			       const struct mei_cl_device_id *id)
+{
+	struct nfc_mei_phy *phy;
+	int r;
+
+	phy = nfc_mei_phy_alloc(cldev);
+	if (!phy)
+		return -ENOMEM;
+
+	r = pn544_hci_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
+			    MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
+			    NULL, &phy->hdev);
+	if (r < 0) {
+		nfc_mei_phy_free(phy);
+
+		return r;
+	}
+
+	return 0;
+}
+
+static void pn544_mei_remove(struct mei_cl_device *cldev)
+{
+	struct nfc_mei_phy *phy = mei_cldev_get_drvdata(cldev);
+
+	pn544_hci_remove(phy->hdev);
+
+	nfc_mei_phy_free(phy);
+}
+
+static struct mei_cl_device_id pn544_mei_tbl[] = {
+	{ PN544_DRIVER_NAME, MEI_NFC_UUID, MEI_CL_VERSION_ANY},
+
+	/* required last entry */
+	{ }
+};
+MODULE_DEVICE_TABLE(mei, pn544_mei_tbl);
+
+static struct mei_cl_driver pn544_driver = {
+	.id_table = pn544_mei_tbl,
+	.name = PN544_DRIVER_NAME,
+
+	.probe = pn544_mei_probe,
+	.remove = pn544_mei_remove,
+};
+
+module_mei_cl_driver(pn544_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION(DRIVER_DESC);