Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  The NFC Controller Interface is the communication protocol between an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *  NFC Controller (NFCC) and a Device Host (DH).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *  Copyright (C) 2011 Texas Instruments, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *  Written by Ilan Elias <ilane@ti.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  *  Acknowledgements:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  *  This file is based on lib.c, which was written
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  *  by Maxim Krasnyansky.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <net/nfc/nci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <net/nfc/nci_core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) /* NCI status codes to Unix errno mapping */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) int nci_to_errno(__u8 code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	switch (code) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	case NCI_STATUS_OK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	case NCI_STATUS_REJECTED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	case NCI_STATUS_RF_FRAME_CORRUPTED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		return -EBADMSG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	case NCI_STATUS_NOT_INITIALIZED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		return -EHOSTDOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	case NCI_STATUS_SYNTAX_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	case NCI_STATUS_SEMANTIC_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	case NCI_STATUS_INVALID_PARAM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	case NCI_STATUS_RF_PROTOCOL_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	case NCI_STATUS_NFCEE_PROTOCOL_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 		return -EPROTO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	case NCI_STATUS_UNKNOWN_GID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	case NCI_STATUS_UNKNOWN_OID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 		return -EBADRQC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	case NCI_STATUS_MESSAGE_SIZE_EXCEEDED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 		return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	case NCI_STATUS_DISCOVERY_ALREADY_STARTED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 		return -EALREADY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	case NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	case NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 		return -ECONNREFUSED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	case NCI_STATUS_RF_TRANSMISSION_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	case NCI_STATUS_NFCEE_TRANSMISSION_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 		return -ECOMM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	case NCI_STATUS_RF_TIMEOUT_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	case NCI_STATUS_NFCEE_TIMEOUT_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 		return -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	case NCI_STATUS_FAILED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 		return -ENOSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) EXPORT_SYMBOL(nci_to_errno);