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  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/drivers/media/dvb/siano/
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 <asm/byteorder.h>
23
24#include "smsendian.h"
25#include "smscoreapi.h"
26
27void smsendian_handle_tx_message(void *buffer)
28{
29#ifdef __BIG_ENDIAN
30	struct SmsMsgData_ST *msg = (struct SmsMsgData_ST *)buffer;
31	int i;
32	int msgWords;
33
34	switch (msg->xMsgHeader.msgType) {
35	case MSG_SMS_DATA_DOWNLOAD_REQ:
36	{
37		msg->msgData[0] = le32_to_cpu(msg->msgData[0]);
38		break;
39	}
40
41	default:
42		msgWords = (msg->xMsgHeader.msgLength -
43				sizeof(struct SmsMsgHdr_ST))/4;
44
45		for (i = 0; i < msgWords; i++)
46			msg->msgData[i] = le32_to_cpu(msg->msgData[i]);
47
48		break;
49	}
50#endif /* __BIG_ENDIAN */
51}
52EXPORT_SYMBOL_GPL(smsendian_handle_tx_message);
53
54void smsendian_handle_rx_message(void *buffer)
55{
56#ifdef __BIG_ENDIAN
57	struct SmsMsgData_ST *msg = (struct SmsMsgData_ST *)buffer;
58	int i;
59	int msgWords;
60
61	switch (msg->xMsgHeader.msgType) {
62	case MSG_SMS_GET_VERSION_EX_RES:
63	{
64		struct SmsVersionRes_ST *ver =
65			(struct SmsVersionRes_ST *) msg;
66		ver->ChipModel = le16_to_cpu(ver->ChipModel);
67		break;
68	}
69
70	case MSG_SMS_DVBT_BDA_DATA:
71	case MSG_SMS_DAB_CHANNEL:
72	case MSG_SMS_DATA_MSG:
73	{
74		break;
75	}
76
77	default:
78	{
79		msgWords = (msg->xMsgHeader.msgLength -
80				sizeof(struct SmsMsgHdr_ST))/4;
81
82		for (i = 0; i < msgWords; i++)
83			msg->msgData[i] = le32_to_cpu(msg->msgData[i]);
84
85		break;
86	}
87	}
88#endif /* __BIG_ENDIAN */
89}
90EXPORT_SYMBOL_GPL(smsendian_handle_rx_message);
91
92void smsendian_handle_message_header(void *msg)
93{
94#ifdef __BIG_ENDIAN
95	struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *)msg;
96
97	phdr->msgType = le16_to_cpu(phdr->msgType);
98	phdr->msgLength = le16_to_cpu(phdr->msgLength);
99	phdr->msgFlags = le16_to_cpu(phdr->msgFlags);
100#endif /* __BIG_ENDIAN */
101}
102EXPORT_SYMBOL_GPL(smsendian_handle_message_header);
103