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c93b76b34b
In order to automate modules matching add device uuid which is reported in client enumeration, keep also the name that is needed in for nfc distinguishing radio vendor Report mei:name:uuid Cc: linux-api@vger.kernel.org Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
110 lines
2.4 KiB
C
110 lines
2.4 KiB
C
/*
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* HCI based Driver for NXP pn544 NFC Chip
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*
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* Copyright (C) 2013 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/module.h>
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#include <linux/mod_devicetable.h>
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#include <linux/nfc.h>
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#include <net/nfc/hci.h>
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#include <net/nfc/llc.h>
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#include "../mei_phy.h"
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#include "pn544.h"
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#define PN544_DRIVER_NAME "pn544"
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static int pn544_mei_probe(struct mei_cl_device *device,
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const struct mei_cl_device_id *id)
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{
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struct nfc_mei_phy *phy;
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int r;
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pr_info("Probing NFC pn544\n");
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phy = nfc_mei_phy_alloc(device);
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if (!phy) {
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pr_err("Cannot allocate memory for pn544 mei phy.\n");
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return -ENOMEM;
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}
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r = pn544_hci_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
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MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
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NULL, &phy->hdev);
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if (r < 0) {
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nfc_mei_phy_free(phy);
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return r;
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}
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return 0;
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}
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static int pn544_mei_remove(struct mei_cl_device *device)
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{
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struct nfc_mei_phy *phy = mei_cl_get_drvdata(device);
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pr_info("Removing pn544\n");
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pn544_hci_remove(phy->hdev);
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nfc_mei_phy_free(phy);
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return 0;
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}
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static struct mei_cl_device_id pn544_mei_tbl[] = {
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{ PN544_DRIVER_NAME, MEI_NFC_UUID},
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/* required last entry */
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{ }
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};
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MODULE_DEVICE_TABLE(mei, pn544_mei_tbl);
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static struct mei_cl_driver pn544_driver = {
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.id_table = pn544_mei_tbl,
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.name = PN544_DRIVER_NAME,
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.probe = pn544_mei_probe,
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.remove = pn544_mei_remove,
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};
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static int pn544_mei_init(void)
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{
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int r;
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pr_debug(DRIVER_DESC ": %s\n", __func__);
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r = mei_cl_driver_register(&pn544_driver);
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if (r) {
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pr_err(PN544_DRIVER_NAME ": driver registration failed\n");
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return r;
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}
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return 0;
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}
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static void pn544_mei_exit(void)
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{
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mei_cl_driver_unregister(&pn544_driver);
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}
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module_init(pn544_mei_init);
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module_exit(pn544_mei_exit);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION(DRIVER_DESC);
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