1// SPDX-License-Identifier: GPL-2.0-or-later
2/****************************************************************
3
4 Siano Mobile Silicon, Inc.
5 MDTV receiver kernel modules.
6 Copyright (C) 2006-2009, Uri Shkolnik
7
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_ENDIAN
20	struct sms_msg_data *msg = buffer;
21	int i;
22	int msg_words;
23
24	switch (msg->x_msg_header.msg_type) {
25	case MSG_SMS_DATA_DOWNLOAD_REQ:
26	{
27		msg->msg_data[0] = le32_to_cpu((__force __le32)(msg->msg_data[0]));
28		break;
29	}
30
31	default:
32		msg_words = (msg->x_msg_header.msg_length -
33				sizeof(struct sms_msg_hdr))/4;
34
35		for (i = 0; i < msg_words; i++)
36			msg->msg_data[i] = le32_to_cpu((__force __le32)msg->msg_data[i]);
37
38		break;
39	}
40#endif /* __BIG_ENDIAN */
41}
42EXPORT_SYMBOL_GPL(smsendian_handle_tx_message);
43
44void smsendian_handle_rx_message(void *buffer)
45{
46#ifdef __BIG_ENDIAN
47	struct sms_msg_data *msg = (struct sms_msg_data *)buffer;
48	int i;
49	int msg_words;
50
51	switch (msg->x_msg_header.msg_type) {
52	case MSG_SMS_GET_VERSION_EX_RES:
53	{
54		struct sms_version_res *ver =
55			(struct sms_version_res *) msg;
56		ver->chip_model = le16_to_cpu((__force __le16)ver->chip_model);
57		break;
58	}
59
60	case MSG_SMS_DVBT_BDA_DATA:
61	case MSG_SMS_DAB_CHANNEL:
62	case MSG_SMS_DATA_MSG:
63	{
64		break;
65	}
66
67	default:
68	{
69		msg_words = (msg->x_msg_header.msg_length -
70				sizeof(struct sms_msg_hdr))/4;
71
72		for (i = 0; i < msg_words; i++)
73			msg->msg_data[i] = le32_to_cpu((__force __le32)msg->msg_data[i]);
74
75		break;
76	}
77	}
78#endif /* __BIG_ENDIAN */
79}
80EXPORT_SYMBOL_GPL(smsendian_handle_rx_message);
81
82void smsendian_handle_message_header(void *msg)
83{
84#ifdef __BIG_ENDIAN
85	struct sms_msg_hdr *phdr = (struct sms_msg_hdr *)msg;
86
87	phdr->msg_type = le16_to_cpu((__force __le16)phdr->msg_type);
88	phdr->msg_length = le16_to_cpu((__force __le16)phdr->msg_length);
89	phdr->msg_flags = le16_to_cpu((__force __le16)phdr->msg_flags);
90#endif /* __BIG_ENDIAN */
91}
92EXPORT_SYMBOL_GPL(smsendian_handle_message_header);
93