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Commit dc7bf5d7 authored by Sebastian Reichel's avatar Sebastian Reichel
Browse files

HSI: Introduce driver for SSI Protocol 



This adds a driver for the SSI McSAAB protocol as used in
the Nokia N900.

Signed-off-by: default avatarCarlos Chinea <carlos.chinea@nokia.com>
Signed-off-by: default avatarSebastian Reichel <sre@kernel.org>
Tested-By: default avatarIvaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
parent dc9df315

drivers/hsi/clients/Kconfig

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comment "HSI clients"



config SSI_PROTOCOL

	tristate "SSI protocol"

	depends on HSI && PHONET && (OMAP_SSI=y || OMAP_SSI=m)

	help

	If you say Y here, you will enable the SSI protocol aka McSAAB.



	If unsure, say N.



config HSI_CHAR

	tristate "HSI/SSI character driver"

	depends on HSI

drivers/hsi/clients/Makefile

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# Makefile for HSI clients

#



obj-$(CONFIG_SSI_PROTOCOL)	+= ssi_protocol.o

obj-$(CONFIG_HSI_CHAR)		+= hsi_char.o

drivers/hsi/clients/ssi_protocol.c

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File added.

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include/linux/hsi/ssi_protocol.h

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/*

 * ssip_slave.h

 *

 * SSIP slave support header file

 *

 * Copyright (C) 2010 Nokia Corporation. All rights reserved.

 *

 * Contact: Carlos Chinea <carlos.chinea@nokia.com>

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * version 2 as published by the Free Software Foundation.

 *

 * 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, write to the Free Software

 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA

 * 02110-1301 USA

 */



#ifndef __LINUX_SSIP_SLAVE_H__

#define __LINUX_SSIP_SLAVE_H__



#include <linux/hsi/hsi.h>



static inline void ssip_slave_put_master(struct hsi_client *master)

{

}



struct hsi_client *ssip_slave_get_master(struct hsi_client *slave);

int ssip_slave_start_tx(struct hsi_client *master);

int ssip_slave_stop_tx(struct hsi_client *master);

void ssip_reset_event(struct hsi_client *master);



int ssip_slave_running(struct hsi_client *master);



#endif /* __LINUX_SSIP_SLAVE_H__ */