93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/****************************************************************
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Siano Mobile Silicon, Inc.
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MDTV receiver kernel modules.
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Copyright (C) 2006-2009, Uri Shkolnik
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****************************************************************/
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#include <linux/export.h>
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#include <asm/byteorder.h>
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#include "smsendian.h"
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#include "smscoreapi.h"
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void smsendian_handle_tx_message(void *buffer)
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{
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#ifdef __BIG_ENDIAN
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struct sms_msg_data *msg = (struct sms_msg_data *)buffer;
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int i;
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int msg_words;
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switch (msg->x_msg_header.msg_type) {
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case MSG_SMS_DATA_DOWNLOAD_REQ:
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{
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msg->msg_data[0] = le32_to_cpu((__force __le32)(msg->msg_data[0]));
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break;
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}
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default:
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msg_words = (msg->x_msg_header.msg_length -
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sizeof(struct sms_msg_hdr))/4;
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for (i = 0; i < msg_words; i++)
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msg->msg_data[i] = le32_to_cpu((__force __le32)msg->msg_data[i]);
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break;
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}
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#endif /* __BIG_ENDIAN */
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}
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EXPORT_SYMBOL_GPL(smsendian_handle_tx_message);
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void smsendian_handle_rx_message(void *buffer)
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{
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#ifdef __BIG_ENDIAN
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struct sms_msg_data *msg = (struct sms_msg_data *)buffer;
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int i;
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int msg_words;
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switch (msg->x_msg_header.msg_type) {
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case MSG_SMS_GET_VERSION_EX_RES:
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{
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struct sms_version_res *ver =
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(struct sms_version_res *) msg;
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ver->chip_model = le16_to_cpu((__force __le16)ver->chip_model);
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break;
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}
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case MSG_SMS_DVBT_BDA_DATA:
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case MSG_SMS_DAB_CHANNEL:
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case MSG_SMS_DATA_MSG:
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{
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break;
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}
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default:
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{
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msg_words = (msg->x_msg_header.msg_length -
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sizeof(struct sms_msg_hdr))/4;
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for (i = 0; i < msg_words; i++)
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msg->msg_data[i] = le32_to_cpu((__force __le32)msg->msg_data[i]);
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break;
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}
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}
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#endif /* __BIG_ENDIAN */
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}
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EXPORT_SYMBOL_GPL(smsendian_handle_rx_message);
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void smsendian_handle_message_header(void *msg)
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{
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#ifdef __BIG_ENDIAN
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struct sms_msg_hdr *phdr = (struct sms_msg_hdr *)msg;
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phdr->msg_type = le16_to_cpu((__force __le16)phdr->msg_type);
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phdr->msg_length = le16_to_cpu((__force __le16)phdr->msg_length);
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phdr->msg_flags = le16_to_cpu((__force __le16)phdr->msg_flags);
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#endif /* __BIG_ENDIAN */
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}
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EXPORT_SYMBOL_GPL(smsendian_handle_message_header);
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