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 
28 void 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 }
53 EXPORT_SYMBOL_GPL(smsendian_handle_tx_message);
54 
55 void 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 }
91 EXPORT_SYMBOL_GPL(smsendian_handle_rx_message);
92 
93 void 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 }
103 EXPORT_SYMBOL_GPL(smsendian_handle_message_header);
104