diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/media/common/siano/smsendian.c | |
parent | Initial commit. (diff) | |
download | linux-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.c | 103 |
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); |