[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / nfc / nci / lib.c

/*
 *  The NFC Controller Interface is the communication protocol between an
 *  NFC Controller (NFCC) and a Device Host (DH).
 *
 *  Copyright (C) 2011 Texas Instruments, Inc.
 *
 *  Written by Ilan Elias <ilane@ti.com>
 *
 *  Acknowledgements:
 *  This file is based on lib.c, which was written
 *  by Maxim Krasnyansky.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms 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
 *
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/errno.h>

#include <net/nfc/nci.h>
#include <net/nfc/nci_core.h>

/* NCI status codes to Unix errno mapping */
int nci_to_errno(__u8 code)
{
	switch (code) {
	case NCI_STATUS_OK:
		return 0;

	case NCI_STATUS_REJECTED:
		return -EBUSY;

	case NCI_STATUS_RF_FRAME_CORRUPTED:
		return -EBADMSG;

	case NCI_STATUS_NOT_INITIALIZED:
		return -EHOSTDOWN;

	case NCI_STATUS_SYNTAX_ERROR:
	case NCI_STATUS_SEMANTIC_ERROR:
	case NCI_STATUS_INVALID_PARAM:
	case NCI_STATUS_RF_PROTOCOL_ERROR:
	case NCI_STATUS_NFCEE_PROTOCOL_ERROR:
		return -EPROTO;

	case NCI_STATUS_UNKNOWN_GID:
	case NCI_STATUS_UNKNOWN_OID:
		return -EBADRQC;

	case NCI_STATUS_MESSAGE_SIZE_EXCEEDED:
		return -EMSGSIZE;

	case NCI_STATUS_DISCOVERY_ALREADY_STARTED:
		return -EALREADY;

	case NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED:
	case NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED:
		return -ECONNREFUSED;

	case NCI_STATUS_RF_TRANSMISSION_ERROR:
	case NCI_STATUS_NFCEE_TRANSMISSION_ERROR:
		return -ECOMM;

	case NCI_STATUS_RF_TIMEOUT_ERROR:
	case NCI_STATUS_NFCEE_TIMEOUT_ERROR:
		return -ETIMEDOUT;

	case NCI_STATUS_FAILED:
	default:
		return -ENOSYS;
	}
}
EXPORT_SYMBOL(nci_to_errno);
Commit	Line	Data
6a2968aa IE	1	/*
	2	* The NFC Controller Interface is the communication protocol between an
	3	* NFC Controller (NFCC) and a Device Host (DH).
	4	*
	5	* Copyright (C) 2011 Texas Instruments, Inc.
	6	*
	7	* Written by Ilan Elias <ilane@ti.com>
	8	*
	9	* Acknowledgements:
	10	* This file is based on lib.c, which was written
	11	* by Maxim Krasnyansky.
	12	*
	13	* This program is free software; you can redistribute it and/or modify
	14	* it under the terms of the GNU General Public License version 2
	15	* as published by the Free Software Foundation
	16	*
	17	* This program is distributed in the hope that it will be useful,
	18	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	20	* GNU General Public License for more details.
	21	*
	22	* You should have received a copy of the GNU General Public License
	23	* along with this program; if not, write to the Free Software
	24	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	25	*
	26	*/
	27
	28	#include <linux/module.h>
	29	#include <linux/kernel.h>
	30	#include <linux/types.h>
	31	#include <linux/errno.h>
	32
	33	#include <net/nfc/nci.h>
502b4240	34	#include <net/nfc/nci_core.h>
6a2968aa IE	35
	36	/* NCI status codes to Unix errno mapping */
	37	int nci_to_errno(__u8 code)
	38	{
	39	switch (code) {
	40	case NCI_STATUS_OK:
	41	return 0;
	42
	43	case NCI_STATUS_REJECTED:
	44	return -EBUSY;
	45
e8c0dacd	46	case NCI_STATUS_RF_FRAME_CORRUPTED:
6a2968aa IE	47	return -EBADMSG;
6a2968aa IE	48
6a2968aa IE	49	case NCI_STATUS_NOT_INITIALIZED:
	50	return -EHOSTDOWN;
	51
	52	case NCI_STATUS_SYNTAX_ERROR:
	53	case NCI_STATUS_SEMANTIC_ERROR:
	54	case NCI_STATUS_INVALID_PARAM:
	55	case NCI_STATUS_RF_PROTOCOL_ERROR:
	56	case NCI_STATUS_NFCEE_PROTOCOL_ERROR:
	57	return -EPROTO;
	58
	59	case NCI_STATUS_UNKNOWN_GID:
	60	case NCI_STATUS_UNKNOWN_OID:
	61	return -EBADRQC;
	62
	63	case NCI_STATUS_MESSAGE_SIZE_EXCEEDED:
	64	return -EMSGSIZE;
	65
	66	case NCI_STATUS_DISCOVERY_ALREADY_STARTED:
	67	return -EALREADY;
	68
	69	case NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED:
	70	case NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED:
	71	return -ECONNREFUSED;
	72
	73	case NCI_STATUS_RF_TRANSMISSION_ERROR:
	74	case NCI_STATUS_NFCEE_TRANSMISSION_ERROR:
	75	return -ECOMM;
	76
	77	case NCI_STATUS_RF_TIMEOUT_ERROR:
	78	case NCI_STATUS_NFCEE_TIMEOUT_ERROR:
	79	return -ETIMEDOUT;
	80
6a2968aa IE	81	case NCI_STATUS_FAILED:
	82	default:
	83	return -ENOSYS;
	84	}
	85	}
	86	EXPORT_SYMBOL(nci_to_errno);