| /* |
| * HCI based Driver for Inside Secure microread NFC Chip |
| * |
| * Copyright (C) 2013 Intel Corporation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the |
| * Free Software Foundation, Inc., |
| * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| #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 "microread.h" |
| |
| #define MICROREAD_DRIVER_NAME "microread" |
| |
| static int microread_mei_probe(struct mei_cl_device *device, |
| const struct mei_cl_device_id *id) |
| { |
| struct nfc_mei_phy *phy; |
| int r; |
| |
| pr_info("Probing NFC microread\n"); |
| |
| phy = nfc_mei_phy_alloc(device); |
| if (!phy) { |
| pr_err("Cannot allocate memory for microread mei phy.\n"); |
| return -ENOMEM; |
| } |
| |
| r = microread_probe(phy, &mei_phy_ops, LLC_NOP_NAME, |
| MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD, |
| &phy->hdev); |
| if (r < 0) { |
| nfc_mei_phy_free(phy); |
| |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| static int microread_mei_remove(struct mei_cl_device *device) |
| { |
| struct nfc_mei_phy *phy = mei_cl_get_drvdata(device); |
| |
| microread_remove(phy->hdev); |
| |
| nfc_mei_phy_free(phy); |
| |
| return 0; |
| } |
| |
| static struct mei_cl_device_id microread_mei_tbl[] = { |
| { MICROREAD_DRIVER_NAME }, |
| |
| /* required last entry */ |
| { } |
| }; |
| MODULE_DEVICE_TABLE(mei, microread_mei_tbl); |
| |
| static struct mei_cl_driver microread_driver = { |
| .id_table = microread_mei_tbl, |
| .name = MICROREAD_DRIVER_NAME, |
| |
| .probe = microread_mei_probe, |
| .remove = microread_mei_remove, |
| }; |
| |
| static int microread_mei_init(void) |
| { |
| int r; |
| |
| pr_debug(DRIVER_DESC ": %s\n", __func__); |
| |
| r = mei_cl_driver_register(µread_driver); |
| if (r) { |
| pr_err(MICROREAD_DRIVER_NAME ": driver registration failed\n"); |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| static void microread_mei_exit(void) |
| { |
| mei_cl_driver_unregister(µread_driver); |
| } |
| |
| module_init(microread_mei_init); |
| module_exit(microread_mei_exit); |
| |
| MODULE_LICENSE("GPL"); |
| MODULE_DESCRIPTION(DRIVER_DESC); |