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path: root/drivers/media/dvb/siano/smsendian.c
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Diffstat (limited to 'drivers/media/dvb/siano/smsendian.c')
-rw-r--r--drivers/media/dvb/siano/smsendian.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/media/dvb/siano/smsendian.c b/drivers/media/dvb/siano/smsendian.c
new file mode 100644
index 00000000000..457b6d02ef8
--- /dev/null
+++ b/drivers/media/dvb/siano/smsendian.c
@@ -0,0 +1,102 @@
+/****************************************************************
+
+ Siano Mobile Silicon, Inc.
+ MDTV receiver kernel modules.
+ Copyright (C) 2006-2009, Uri Shkolnik
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ ****************************************************************/
+
+#include <asm/byteorder.h>
+
+#include "smsendian.h"
+#include "smscoreapi.h"
+
+void smsendian_handle_tx_message(void *buffer)
+{
+#ifdef __BIG_ENDIAN
+ struct SmsMsgData_ST *msg = (struct SmsMsgData_ST *)buffer;
+ int i;
+ int msgWords;
+
+ switch (msg->xMsgHeader.msgType) {
+ case MSG_SMS_DATA_DOWNLOAD_REQ:
+ {
+ msg->msgData[0] = le32_to_cpu(msg->msgData[0]);
+ break;
+ }
+
+ default:
+ msgWords = (msg->xMsgHeader.msgLength -
+ sizeof(struct SmsMsgHdr_ST))/4;
+
+ for (i = 0; i < msgWords; i++)
+ msg->msgData[i] = le32_to_cpu(msg->msgData[i]);
+
+ break;
+ }
+#endif /* __BIG_ENDIAN */
+}
+EXPORT_SYMBOL_GPL(smsendian_handle_tx_message);
+
+void smsendian_handle_rx_message(void *buffer)
+{
+#ifdef __BIG_ENDIAN
+ struct SmsMsgData_ST *msg = (struct SmsMsgData_ST *)buffer;
+ int i;
+ int msgWords;
+
+ switch (msg->xMsgHeader.msgType) {
+ case MSG_SMS_GET_VERSION_EX_RES:
+ {
+ struct SmsVersionRes_ST *ver =
+ (struct SmsVersionRes_ST *) msg;
+ ver->ChipModel = le16_to_cpu(ver->ChipModel);
+ break;
+ }
+
+ case MSG_SMS_DVBT_BDA_DATA:
+ case MSG_SMS_DAB_CHANNEL:
+ case MSG_SMS_DATA_MSG:
+ {
+ break;
+ }
+
+ default:
+ {
+ msgWords = (msg->xMsgHeader.msgLength -
+ sizeof(struct SmsMsgHdr_ST))/4;
+
+ for (i = 0; i < msgWords; i++)
+ msg->msgData[i] = le32_to_cpu(msg->msgData[i]);
+
+ break;
+ }
+ }
+#endif /* __BIG_ENDIAN */
+}
+EXPORT_SYMBOL_GPL(smsendian_handle_rx_message);
+
+void smsendian_handle_message_header(void *msg)
+{
+#ifdef __BIG_ENDIAN
+ struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *)msg;
+
+ phdr->msgType = le16_to_cpu(phdr->msgType);
+ phdr->msgLength = le16_to_cpu(phdr->msgLength);
+ phdr->msgFlags = le16_to_cpu(phdr->msgFlags);
+#endif /* __BIG_ENDIAN */
+}
+EXPORT_SYMBOL_GPL(smsendian_handle_message_header);