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embedded.c
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embedded.c
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/*
* Sonics Silicon Backplane
* Embedded systems support code
*
* Copyright 2005-2008, Broadcom Corporation
* Copyright 2006-2008, Michael Buesch <mb@bu3sch.de>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_embedded.h>
#include "ssb_private.h"
int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks)
{
if (ssb_chipco_available(&bus->chipco)) {
ssb_chipco_watchdog_timer_set(&bus->chipco, ticks);
return 0;
}
if (ssb_extif_available(&bus->extif)) {
ssb_extif_watchdog_timer_set(&bus->extif, ticks);
return 0;
}
return -ENODEV;
}
u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask)
{
unsigned long flags;
u32 res = 0;
spin_lock_irqsave(&bus->gpio_lock, flags);
if (ssb_chipco_available(&bus->chipco))
res = ssb_chipco_gpio_in(&bus->chipco, mask);
else if (ssb_extif_available(&bus->extif))
res = ssb_extif_gpio_in(&bus->extif, mask);
else
SSB_WARN_ON(1);
spin_unlock_irqrestore(&bus->gpio_lock, flags);
return res;
}
EXPORT_SYMBOL(ssb_gpio_in);
u32 ssb_gpio_out(struct ssb_bus *bus, u32 mask, u32 value)
{
unsigned long flags;
u32 res = 0;
spin_lock_irqsave(&bus->gpio_lock, flags);
if (ssb_chipco_available(&bus->chipco))
res = ssb_chipco_gpio_out(&bus->chipco, mask, value);
else if (ssb_extif_available(&bus->extif))
res = ssb_extif_gpio_out(&bus->extif, mask, value);
else
SSB_WARN_ON(1);
spin_unlock_irqrestore(&bus->gpio_lock, flags);
return res;
}
EXPORT_SYMBOL(ssb_gpio_out);
u32 ssb_gpio_outen(struct ssb_bus *bus, u32 mask, u32 value)
{
unsigned long flags;
u32 res = 0;
spin_lock_irqsave(&bus->gpio_lock, flags);
if (ssb_chipco_available(&bus->chipco))
res = ssb_chipco_gpio_outen(&bus->chipco, mask, value);
else if (ssb_extif_available(&bus->extif))
res = ssb_extif_gpio_outen(&bus->extif, mask, value);
else
SSB_WARN_ON(1);
spin_unlock_irqrestore(&bus->gpio_lock, flags);
return res;
}
EXPORT_SYMBOL(ssb_gpio_outen);
u32 ssb_gpio_control(struct ssb_bus *bus, u32 mask, u32 value)
{
unsigned long flags;
u32 res = 0;
spin_lock_irqsave(&bus->gpio_lock, flags);
if (ssb_chipco_available(&bus->chipco))
res = ssb_chipco_gpio_control(&bus->chipco, mask, value);
spin_unlock_irqrestore(&bus->gpio_lock, flags);
return res;
}
EXPORT_SYMBOL(ssb_gpio_control);
u32 ssb_gpio_intmask(struct ssb_bus *bus, u32 mask, u32 value)
{
unsigned long flags;
u32 res = 0;
spin_lock_irqsave(&bus->gpio_lock, flags);
if (ssb_chipco_available(&bus->chipco))
res = ssb_chipco_gpio_intmask(&bus->chipco, mask, value);
else if (ssb_extif_available(&bus->extif))
res = ssb_extif_gpio_intmask(&bus->extif, mask, value);
else
SSB_WARN_ON(1);
spin_unlock_irqrestore(&bus->gpio_lock, flags);
return res;
}
EXPORT_SYMBOL(ssb_gpio_intmask);
u32 ssb_gpio_polarity(struct ssb_bus *bus, u32 mask, u32 value)
{
unsigned long flags;
u32 res = 0;
spin_lock_irqsave(&bus->gpio_lock, flags);
if (ssb_chipco_available(&bus->chipco))
res = ssb_chipco_gpio_polarity(&bus->chipco, mask, value);
else if (ssb_extif_available(&bus->extif))
res = ssb_extif_gpio_polarity(&bus->extif, mask, value);
else
SSB_WARN_ON(1);
spin_unlock_irqrestore(&bus->gpio_lock, flags);
return res;
}
EXPORT_SYMBOL(ssb_gpio_polarity);