diff options
Diffstat (limited to 'drivers/ssb/embedded.c')
-rw-r--r-- | drivers/ssb/embedded.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/ssb/embedded.c b/drivers/ssb/embedded.c new file mode 100644 index 00000000000..d3ade821555 --- /dev/null +++ b/drivers/ssb/embedded.c @@ -0,0 +1,132 @@ +/* + * 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); |