Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / common / siano / smsendian.c

diff --git a/kernel/drivers/media/common/siano/smsendian.c b/kernel/drivers/media/common/siano/smsendian.c
new file mode 100644 (file)
index 0000000..bfe831c
--- /dev/null
+++ b/kernel/drivers/media/common/siano/smsendian.c
@@ -0,0 +1,103 @@
+/****************************************************************
+
+ 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 <linux/export.h>
+#include <asm/byteorder.h>
+
+#include "smsendian.h"
+#include "smscoreapi.h"
+
+void smsendian_handle_tx_message(void *buffer)
+{
+#ifdef __BIG_ENDIAN
+       struct sms_msg_data *msg = (struct sms_msg_data *)buffer;
+       int i;
+       int msg_words;
+
+       switch (msg->x_msg_header.msg_type) {
+       case MSG_SMS_DATA_DOWNLOAD_REQ:
+       {
+               msg->msg_data[0] = le32_to_cpu(msg->msg_data[0]);
+               break;
+       }
+
+       default:
+               msg_words = (msg->x_msg_header.msg_length -
+                               sizeof(struct sms_msg_hdr))/4;
+
+               for (i = 0; i < msg_words; i++)
+                       msg->msg_data[i] = le32_to_cpu(msg->msg_data[i]);
+
+               break;
+       }
+#endif /* __BIG_ENDIAN */
+}
+EXPORT_SYMBOL_GPL(smsendian_handle_tx_message);
+
+void smsendian_handle_rx_message(void *buffer)
+{
+#ifdef __BIG_ENDIAN
+       struct sms_msg_data *msg = (struct sms_msg_data *)buffer;
+       int i;
+       int msg_words;
+
+       switch (msg->x_msg_header.msg_type) {
+       case MSG_SMS_GET_VERSION_EX_RES:
+       {
+               struct sms_version_res *ver =
+                       (struct sms_version_res *) msg;
+               ver->chip_model = le16_to_cpu(ver->chip_model);
+               break;
+       }
+
+       case MSG_SMS_DVBT_BDA_DATA:
+       case MSG_SMS_DAB_CHANNEL:
+       case MSG_SMS_DATA_MSG:
+       {
+               break;
+       }
+
+       default:
+       {
+               msg_words = (msg->x_msg_header.msg_length -
+                               sizeof(struct sms_msg_hdr))/4;
+
+               for (i = 0; i < msg_words; i++)
+                       msg->msg_data[i] = le32_to_cpu(msg->msg_data[i]);
+
+               break;
+       }
+       }
+#endif /* __BIG_ENDIAN */
+}
+EXPORT_SYMBOL_GPL(smsendian_handle_rx_message);
+
+void smsendian_handle_message_header(void *msg)
+{
+#ifdef __BIG_ENDIAN
+       struct sms_msg_hdr *phdr = (struct sms_msg_hdr *)msg;
+
+       phdr->msg_type = le16_to_cpu(phdr->msg_type);
+       phdr->msg_length = le16_to_cpu(phdr->msg_length);
+       phdr->msg_flags = le16_to_cpu(phdr->msg_flags);
+#endif /* __BIG_ENDIAN */
+}
+EXPORT_SYMBOL_GPL(smsendian_handle_message_header);