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Commit cb17f904 authored by Uri Shkolnik's avatar Uri Shkolnik Committed by Mauro Carvalho Chehab
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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: default avatarUri Shkolnik <uris@siano-ms.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent ebb6c22e

drivers/media/dvb/siano/smsendian.c

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/****************************************************************



 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 */

}



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 */

}

drivers/media/dvb/siano/smsendian.h

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/****************************************************************



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/>.



****************************************************************/



#ifndef __SMS_ENDIAN_H__

#define __SMS_ENDIAN_H__



#include <asm/byteorder.h>



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__ */