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HSI: Introduce driver for SSI Protocol

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

Signed-off-by: Carlos Chinea <carlos.chinea@nokia.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Tested-By: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
This commit is contained in:
Sebastian Reichel 2013-11-15 10:50:32 +00:00
parent dc9df3154c
commit dc7bf5d718
4 changed files with 1243 additions and 1 deletions
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8
drivers/hsi/clients/Kconfig
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@ -4,6 +4,14 @@
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

1
drivers/hsi/clients/Makefile
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@ -2,4 +2,5 @@
# Makefile for HSI clients
#
obj-$(CONFIG_SSI_PROTOCOL) += ssi_protocol.o
obj-$(CONFIG_HSI_CHAR) += hsi_char.o

1191
drivers/hsi/clients/ssi_protocol.c Normal file
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42
include/linux/hsi/ssi_protocol.h Normal file
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@ -0,0 +1,42 @@
/*
* 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__ */