forked from Minki/linux
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
2.5 KiB
C
110 lines
2.5 KiB
C
/*
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* HCI based Driver for Inside Secure microread 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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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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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 "microread.h"
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#define MICROREAD_DRIVER_NAME "microread"
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static int microread_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 microread\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 microread mei phy.\n");
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return -ENOMEM;
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}
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r = microread_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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&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 microread_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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microread_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 microread_mei_tbl[] = {
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{ MICROREAD_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, microread_mei_tbl);
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static struct mei_cl_driver microread_driver = {
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.id_table = microread_mei_tbl,
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.name = MICROREAD_DRIVER_NAME,
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.probe = microread_mei_probe,
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.remove = microread_mei_remove,
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};
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static int microread_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(µread_driver);
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if (r) {
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pr_err(MICROREAD_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 microread_mei_exit(void)
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{
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mei_cl_driver_unregister(µread_driver);
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}
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module_init(microread_mei_init);
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module_exit(microread_mei_exit);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION(DRIVER_DESC);
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