Commit 5d78d34b authored by Ivo van Doorn's avatar Ivo van Doorn Committed by John W. Linville
Browse files

rt2x00: Add rt2x00soc bus module 



Add new library module for SoC drivers.
This is needed to fully support the platform
driver part of rt2800pci.

Based on original patch from Felix.

Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarIvo van Doorn <IvDoorn@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 878283f1

drivers/net/wireless/rt2x00/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -95,6 +95,10 @@ config RT2X00_LIB_PCI 
	tristate

	select RT2X00_LIB



config RT2X00_LIB_SOC

	tristate

	select RT2X00_LIB



config RT2X00_LIB_USB

	tristate

	select RT2X00_LIB

drivers/net/wireless/rt2x00/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ rt2x00lib-$(CONFIG_RT2X00_LIB_HT) += rt2x00ht.o 


obj-$(CONFIG_RT2X00_LIB)		+= rt2x00lib.o

obj-$(CONFIG_RT2X00_LIB_PCI)		+= rt2x00pci.o

obj-$(CONFIG_RT2X00_LIB_SOC)		+= rt2x00soc.o

obj-$(CONFIG_RT2X00_LIB_USB)		+= rt2x00usb.o

obj-$(CONFIG_RT2400PCI)			+= rt2400pci.o

obj-$(CONFIG_RT2500PCI)			+= rt2500pci.o

drivers/net/wireless/rt2x00/rt2x00soc.c

0 → 100644
+159 −0
Original line number Diff line number Diff line 
/*

	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project

	<http://rt2x00.serialmonkey.com>



	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, write to the

	Free Software Foundation, Inc.,

	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 */



/*

	Module: rt2x00soc

	Abstract: rt2x00 generic soc device routines.

 */



#include <linux/bug.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/platform_device.h>



#include "rt2x00.h"

#include "rt2x00soc.h"



static void rt2x00soc_free_reg(struct rt2x00_dev *rt2x00dev)

{

	kfree(rt2x00dev->rf);

	rt2x00dev->rf = NULL;



	kfree(rt2x00dev->eeprom);

	rt2x00dev->eeprom = NULL;

}



static int rt2x00soc_alloc_reg(struct rt2x00_dev *rt2x00dev)

{

	struct platform_device *pdev = to_platform_device(rt2x00dev->dev);

	struct resource *res;



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	if (!res)

		return -ENODEV;



	rt2x00dev->csr.base = (void __iomem *)KSEG1ADDR(res->start);

	if (!rt2x00dev->csr.base)

		goto exit;



	rt2x00dev->eeprom = kzalloc(rt2x00dev->ops->eeprom_size, GFP_KERNEL);

	if (!rt2x00dev->eeprom)

		goto exit;



	rt2x00dev->rf = kzalloc(rt2x00dev->ops->rf_size, GFP_KERNEL);

	if (!rt2x00dev->rf)

		goto exit;



	return 0;



exit:

	ERROR_PROBE("Failed to allocate registers.\n");

	rt2x00soc_free_reg(rt2x00dev);



	return -ENOMEM;

}



int rt2x00soc_probe(struct platform_device *pdev,

		    const unsigned short chipset,

		    const struct rt2x00_ops *ops)

{

	struct ieee80211_hw *hw;

	struct rt2x00_dev *rt2x00dev;

	int retval;



	hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw);

	if (!hw) {

		ERROR_PROBE("Failed to allocate hardware.\n");

		return -ENOMEM;

	}



	platform_set_drvdata(pdev, hw);



	rt2x00dev = hw->priv;

	rt2x00dev->dev = &pdev->dev;

	rt2x00dev->ops = ops;

	rt2x00dev->hw = hw;

	rt2x00dev->irq = platform_get_irq(pdev, 0);

	rt2x00dev->name = pdev->dev.driver->name;



	rt2x00_set_chip_rt(rt2x00dev, chipset);



	retval = rt2x00soc_alloc_reg(rt2x00dev);

	if (retval)

		goto exit_free_device;



	retval = rt2x00lib_probe_dev(rt2x00dev);

	if (retval)

		goto exit_free_reg;



	return 0;



exit_free_reg:

	rt2x00soc_free_reg(rt2x00dev);



exit_free_device:

	ieee80211_free_hw(hw);



	return retval;

}



int rt2x00soc_remove(struct platform_device *pdev)

{

	struct ieee80211_hw *hw = platform_get_drvdata(pdev);

	struct rt2x00_dev *rt2x00dev = hw->priv;



	/*

	 * Free all allocated data.

	 */

	rt2x00lib_remove_dev(rt2x00dev);

	rt2x00soc_free_reg(rt2x00dev);

	ieee80211_free_hw(hw);



	return 0;

}

EXPORT_SYMBOL_GPL(rt2x00soc_remove);



#ifdef CONFIG_PM

int rt2x00soc_suspend(struct platform_device *pdev, pm_message_t state)

{

	struct ieee80211_hw *hw = platform_get_drvdata(pdev);

	struct rt2x00_dev *rt2x00dev = hw->priv;



	return rt2x00lib_suspend(rt2x00dev, state);

}

EXPORT_SYMBOL_GPL(rt2x00soc_suspend);



int rt2x00soc_resume(struct platform_device *pdev)

{

	struct ieee80211_hw *hw = platform_get_drvdata(pdev);

	struct rt2x00_dev *rt2x00dev = hw->priv;



	return rt2x00lib_resume(rt2x00dev);

}

EXPORT_SYMBOL_GPL(rt2x00soc_resume);

#endif /* CONFIG_PM */



/*

 * rt2x00soc module information.

 */

MODULE_AUTHOR(DRV_PROJECT);

MODULE_VERSION(DRV_VERSION);

MODULE_DESCRIPTION("rt2x00 soc library");

MODULE_LICENSE("GPL");

drivers/net/wireless/rt2x00/rt2x00soc.h

0 → 100644
+52 −0
Original line number Diff line number Diff line 
/*

	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project

	<http://rt2x00.serialmonkey.com>



	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, write to the

	Free Software Foundation, Inc.,

	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 */



/*

	Module: rt2x00soc

	Abstract: Data structures for the rt2x00soc module.

 */



#ifndef RT2X00SOC_H

#define RT2X00SOC_H



#define KSEG1ADDR(__ptr) __ptr



#define __rt2x00soc_probe(__chipset, __ops) \

static int __rt2x00soc_probe(struct platform_device *pdev) \

{ \

	return rt2x00soc_probe(pdev, (__chipset), (__ops)); \

}



/*

 * SoC driver handlers.

 */

int rt2x00soc_probe(struct platform_device *pdev,

		    const unsigned short chipset,

		    const struct rt2x00_ops *ops);

int rt2x00soc_remove(struct platform_device *pdev);

#ifdef CONFIG_PM

int rt2x00soc_suspend(struct platform_device *pdev, pm_message_t state);

int rt2x00soc_resume(struct platform_device *pdev);

#else

#define rt2x00soc_suspend	NULL

#define rt2x00soc_resume	NULL

#endif /* CONFIG_PM */



#endif /* RT2X00SOC_H */