1/****************************************************************
2
3 Siano Mobile Silicon, Inc.
4 MDTV receiver kernel modules.
5 Copyright (C) 2006-2009, Uri Shkolnik
6
7 This program is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program.  If not, see <http://www.gnu.org/licenses/>.
19
20 ****************************************************************/
21
22#include <linux/export.h>
23#include <asm/byteorder.h>
24
25#include "smsendian.h"
26#include "smscoreapi.h"
27
28void smsendian_handle_tx_message(void *buffer)
29{
30#ifdef __BIG_ENDIAN
31	struct sms_msg_data *msg = (struct sms_msg_data *)buffer;
32	int i;
33	int msg_words;
34
35	switch (msg->x_msg_header.msg_type) {
36	case MSG_SMS_DATA_DOWNLOAD_REQ:
37	{
38		msg->msg_data[0] = le32_to_cpu(msg->msg_data[0]);
39		break;
40	}
41
42	default:
43		msg_words = (msg->x_msg_header.msg_length -
44				sizeof(struct sms_msg_hdr))/4;
45
46		for (i = 0; i < msg_words; i++)
47			msg->msg_data[i] = le32_to_cpu(msg->msg_data[i]);
48
49		break;
50	}
51#endif /* __BIG_ENDIAN */
52}
53EXPORT_SYMBOL_GPL(smsendian_handle_tx_message);
54
55void smsendian_handle_rx_message(void *buffer)
56{
57#ifdef __BIG_ENDIAN
58	struct sms_msg_data *msg = (struct sms_msg_data *)buffer;
59	int i;
60	int msg_words;
61
62	switch (msg->x_msg_header.msg_type) {
63	case MSG_SMS_GET_VERSION_EX_RES:
64	{
65		struct sms_version_res *ver =
66			(struct sms_version_res *) msg;
67		ver->chip_model = le16_to_cpu(ver->chip_model);
68		break;
69	}
70
71	case MSG_SMS_DVBT_BDA_DATA:
72	case MSG_SMS_DAB_CHANNEL:
73	case MSG_SMS_DATA_MSG:
74	{
75		break;
76	}
77
78	default:
79	{
80		msg_words = (msg->x_msg_header.msg_length -
81				sizeof(struct sms_msg_hdr))/4;
82
83		for (i = 0; i < msg_words; i++)
84			msg->msg_data[i] = le32_to_cpu(msg->msg_data[i]);
85
86		break;
87	}
88	}
89#endif /* __BIG_ENDIAN */
90}
91EXPORT_SYMBOL_GPL(smsendian_handle_rx_message);
92
93void smsendian_handle_message_header(void *msg)
94{
95#ifdef __BIG_ENDIAN
96	struct sms_msg_hdr *phdr = (struct sms_msg_hdr *)msg;
97
98	phdr->msg_type = le16_to_cpu(phdr->msg_type);
99	phdr->msg_length = le16_to_cpu(phdr->msg_length);
100	phdr->msg_flags = le16_to_cpu(phdr->msg_flags);
101#endif /* __BIG_ENDIAN */
102}
103EXPORT_SYMBOL_GPL(smsendian_handle_message_header);
104