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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/media/common/siano/smsendian.c
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/common/siano/smsendian.c')
-rw-r--r--drivers/media/common/siano/smsendian.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/media/common/siano/smsendian.c b/drivers/media/common/siano/smsendian.c
new file mode 100644
index 000000000..b95a631f2
--- /dev/null
+++ b/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((__force __le32)(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((__force __le32)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((__force __le16)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((__force __le32)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((__force __le16)phdr->msg_type);
+ phdr->msg_length = le16_to_cpu((__force __le16)phdr->msg_length);
+ phdr->msg_flags = le16_to_cpu((__force __le16)phdr->msg_flags);
+#endif /* __BIG_ENDIAN */
+}
+EXPORT_SYMBOL_GPL(smsendian_handle_message_header);