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 000000000000..457b6d02ef85
--- /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);