95 lines
		
	
	
	
		
			2.3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			95 lines
		
	
	
	
		
			2.3 KiB
			
		
	
	
	
		
			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>
 | ||
|  | 
 | ||
|  | /* 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_MESSAGE_CORRUPTED: | ||
|  | 		return -EBADMSG; | ||
|  | 
 | ||
|  | 	case NCI_STATUS_BUFFER_FULL: | ||
|  | 		return -ENOBUFS; | ||
|  | 
 | ||
|  | 	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_RF_LINK_LOSS_ERROR: | ||
|  | 		return -ENOLINK; | ||
|  | 
 | ||
|  | 	case NCI_STATUS_MAX_ACTIVE_NFCEE_INTERFACES_REACHED: | ||
|  | 		return -EDQUOT; | ||
|  | 
 | ||
|  | 	case NCI_STATUS_FAILED: | ||
|  | 	default: | ||
|  | 		return -ENOSYS; | ||
|  | 	} | ||
|  | } | ||
|  | EXPORT_SYMBOL(nci_to_errno); |