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1// SPDX-License-Identifier: GPL-2.0-or-later2/****************************************************************3 4 Siano Mobile Silicon, Inc.5 MDTV receiver kernel modules.6 Copyright (C) 2006-2009, Uri Shkolnik7 8 9 ****************************************************************/10 11#include <linux/export.h>12#include <asm/byteorder.h>13 14#include "smsendian.h"15#include "smscoreapi.h"16 17void smsendian_handle_tx_message(void *buffer)18{19#ifdef __BIG_ENDIAN20 struct sms_msg_data *msg = buffer;21 int i;22 int msg_words;23 u32 *msg_data = &msg->msg_data;24 25 switch (msg->x_msg_header.msg_type) {26 case MSG_SMS_DATA_DOWNLOAD_REQ:27 {28 msg->msg_data = le32_to_cpu((__force __le32)(msg->msg_data));29 break;30 }31 32 default:33 msg_words = (msg->x_msg_header.msg_length -34 sizeof(struct sms_msg_hdr))/4;35 36 for (i = 0; i < msg_words; i++)37 msg_data[i] = le32_to_cpu((__force __le32)msg_data[i]);38 39 break;40 }41#endif /* __BIG_ENDIAN */42}43EXPORT_SYMBOL_GPL(smsendian_handle_tx_message);44 45void smsendian_handle_rx_message(void *buffer)46{47#ifdef __BIG_ENDIAN48 struct sms_msg_data *msg = (struct sms_msg_data *)buffer;49 int i;50 int msg_words;51 52 switch (msg->x_msg_header.msg_type) {53 case MSG_SMS_GET_VERSION_EX_RES:54 {55 struct sms_version_res *ver =56 (struct sms_version_res *) msg;57 ver->chip_model = le16_to_cpu((__force __le16)ver->chip_model);58 break;59 }60 61 case MSG_SMS_DVBT_BDA_DATA:62 case MSG_SMS_DAB_CHANNEL:63 case MSG_SMS_DATA_MSG:64 {65 break;66 }67 68 default:69 {70 u32 *msg_data = &msg->msg_data;71 msg_words = (msg->x_msg_header.msg_length -72 sizeof(struct sms_msg_hdr))/4;73 74 for (i = 0; i < msg_words; i++)75 msg_data[i] = le32_to_cpu((__force __le32)msg_data[i]);76 77 break;78 }79 }80#endif /* __BIG_ENDIAN */81}82EXPORT_SYMBOL_GPL(smsendian_handle_rx_message);83 84void smsendian_handle_message_header(void *msg)85{86#ifdef __BIG_ENDIAN87 struct sms_msg_hdr *phdr = (struct sms_msg_hdr *)msg;88 89 phdr->msg_type = le16_to_cpu((__force __le16)phdr->msg_type);90 phdr->msg_length = le16_to_cpu((__force __le16)phdr->msg_length);91 phdr->msg_flags = le16_to_cpu((__force __le16)phdr->msg_flags);92#endif /* __BIG_ENDIAN */93}94EXPORT_SYMBOL_GPL(smsendian_handle_message_header);95