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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
*/
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_driver_chipcommon.h>
#include <linux/ssb/ssb_driver_extif.h>
#include <asm/mach-bcm47xx/bcm47xx.h>
#include <asm/mach-bcm47xx/gpio.h>
int bcm47xx_gpio_to_irq(unsigned gpio)
{
if (ssb_bcm47xx.chipco.dev)
return ssb_mips_irq(ssb_bcm47xx.chipco.dev) + 2;
else if (ssb_bcm47xx.extif.dev)
return ssb_mips_irq(ssb_bcm47xx.extif.dev) + 2;
else
return -EINVAL;
}
EXPORT_SYMBOL_GPL(bcm47xx_gpio_to_irq);
int bcm47xx_gpio_get_value(unsigned gpio)
{
if (ssb_bcm47xx.chipco.dev)
return ssb_chipco_gpio_in(&ssb_bcm47xx.chipco, 1 << gpio);
else if (ssb_bcm47xx.extif.dev)
return ssb_extif_gpio_in(&ssb_bcm47xx.extif, 1 << gpio);
else
return 0;
}
EXPORT_SYMBOL_GPL(bcm47xx_gpio_get_value);
void bcm47xx_gpio_set_value(unsigned gpio, int value)
{
if (ssb_bcm47xx.chipco.dev)
ssb_chipco_gpio_out(&ssb_bcm47xx.chipco,
1 << gpio,
value ? 1 << gpio : 0);
else if (ssb_bcm47xx.extif.dev)
ssb_extif_gpio_out(&ssb_bcm47xx.extif,
1 << gpio,
value ? 1 << gpio : 0);
}
EXPORT_SYMBOL_GPL(bcm47xx_gpio_set_value);
int bcm47xx_gpio_direction_input(unsigned gpio)
{
if (ssb_bcm47xx.chipco.dev && (gpio < BCM47XX_CHIPCO_GPIO_LINES))
ssb_chipco_gpio_outen(&ssb_bcm47xx.chipco,
1 << gpio, 0);
else if (ssb_bcm47xx.extif.dev && (gpio < BCM47XX_EXTIF_GPIO_LINES))
ssb_extif_gpio_outen(&ssb_bcm47xx.extif,
1 << gpio, 0);
else
return -EINVAL;
return 0;
}
EXPORT_SYMBOL_GPL(bcm47xx_gpio_direction_input);
int bcm47xx_gpio_direction_output(unsigned gpio, int value)
{
bcm47xx_gpio_set_value(gpio, value);
if (ssb_bcm47xx.chipco.dev && (gpio < BCM47XX_CHIPCO_GPIO_LINES))
ssb_chipco_gpio_outen(&ssb_bcm47xx.chipco,
1 << gpio, 1 << gpio);
else if (ssb_bcm47xx.extif.dev && (gpio < BCM47XX_EXTIF_GPIO_LINES))
ssb_extif_gpio_outen(&ssb_bcm47xx.extif,
1 << gpio, 1 << gpio);
else
return -EINVAL;
return 0;
}
EXPORT_SYMBOL_GPL(bcm47xx_gpio_direction_output);
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