From c2bcbe65fc88d61f9a806367ff6eab76c9eabb3a Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Tue, 19 Feb 2008 14:53:35 +0100 Subject: ssb: Fix the GPIO API This fixes the GPIO API to be usable. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/ssb/driver_extif.c | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) (limited to 'drivers/ssb/driver_extif.c') diff --git a/drivers/ssb/driver_extif.c b/drivers/ssb/driver_extif.c index b1899f422a54..10c6b287f8bb 100644 --- a/drivers/ssb/driver_extif.c +++ b/drivers/ssb/driver_extif.c @@ -27,12 +27,14 @@ static inline void extif_write32(struct ssb_extif *extif, u16 offset, u32 value) ssb_write32(extif->dev, offset, value); } -static inline void extif_write32_masked(struct ssb_extif *extif, u16 offset, - u32 mask, u32 value) +static inline u32 extif_write32_masked(struct ssb_extif *extif, u16 offset, + u32 mask, u32 value) { value &= mask; value |= extif_read32(extif, offset) & ~mask; extif_write32(extif, offset, value); + + return value; } #ifdef CONFIG_SSB_SERIAL @@ -120,16 +122,30 @@ u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask) { return extif_read32(extif, SSB_EXTIF_GPIO_IN) & mask; } +EXPORT_SYMBOL(ssb_extif_gpio_in); -void ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value) +u32 ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value) { return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0), mask, value); } +EXPORT_SYMBOL(ssb_extif_gpio_out); -void ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value) +u32 ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value) { return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0), mask, value); } +EXPORT_SYMBOL(ssb_extif_gpio_outen); + +u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value) +{ + return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTPOL, mask, value); +} +EXPORT_SYMBOL(ssb_extif_gpio_polarity); +u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value) +{ + return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTMASK, mask, value); +} +EXPORT_SYMBOL(ssb_extif_gpio_intmask); -- cgit v1.2.3-58-ga151