From cb17f9047d2c6f248f2f87f4783ca90db7b3f445 Mon Sep 17 00:00:00 2001 From: Uri Shkolnik Date: Mon, 20 Apr 2009 13:00:52 -0300 Subject: V4L/DVB (11561): Siano: add messages handling for big-endian target Add code that modify the content of Siano's protocol messages when running with big-endian target. Signed-off-by: Uri Shkolnik Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/siano/smsendian.c | 100 ++++++++++++++++++++++++++++++++++++ drivers/media/dvb/siano/smsendian.h | 32 ++++++++++++ 2 files changed, 132 insertions(+) create mode 100644 drivers/media/dvb/siano/smsendian.c create mode 100644 drivers/media/dvb/siano/smsendian.h (limited to 'drivers/media/dvb') diff --git a/drivers/media/dvb/siano/smsendian.c b/drivers/media/dvb/siano/smsendian.c new file mode 100644 index 00000000000..d79aa051269 --- /dev/null +++ b/drivers/media/dvb/siano/smsendian.c @@ -0,0 +1,100 @@ +/**************************************************************** + + 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 . + + ****************************************************************/ + +#include + +#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 */ +} + +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 */ +} + +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 */ +} + diff --git a/drivers/media/dvb/siano/smsendian.h b/drivers/media/dvb/siano/smsendian.h new file mode 100644 index 00000000000..7fbedc6a652 --- /dev/null +++ b/drivers/media/dvb/siano/smsendian.h @@ -0,0 +1,32 @@ +/**************************************************************** + +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 . + +****************************************************************/ + +#ifndef __SMS_ENDIAN_H__ +#define __SMS_ENDIAN_H__ + +#include + +void smsendian_handle_tx_message(void *buffer); +void smsendian_handle_rx_message(void *buffer); +void smsendian_handle_message_header(void *msg); + +#endif /* __SMS_ENDIAN_H__ */ + -- cgit v1.2.3