8bd7fc8995
The firmware operation callback is passed by the physical layer to the hci driver during probe. All the driver does is to store it and call it when the fw_upload hci ops is invoked. Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
111 lines
2.4 KiB
C
111 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, write to the
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* Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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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 },
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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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