Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c2bcbe65fc88d61f9a806367ff6eab76c9eabb3a Commit: c2bcbe65fc88d61f9a806367ff6eab76c9eabb3a Parent: 42bfad4f71637c4eb4791aa8062063c4a8526522 Author: Michael Buesch <[EMAIL PROTECTED]> AuthorDate: Tue Feb 19 14:53:35 2008 +0100 Committer: John W. Linville <[EMAIL PROTECTED]> CommitDate: Wed Feb 20 20:11:49 2008 -0500
ssb: Fix the GPIO API This fixes the GPIO API to be usable. Signed-off-by: Michael Buesch <[EMAIL PROTECTED]> Signed-off-by: John W. Linville <[EMAIL PROTECTED]> --- drivers/ssb/driver_chipcommon.c | 35 ++++++++++++++++++++++++----- drivers/ssb/driver_extif.c | 24 ++++++++++++++++--- include/linux/ssb/ssb_driver_chipcommon.h | 10 +++++--- include/linux/ssb/ssb_driver_extif.h | 9 ++++--- 4 files changed, 60 insertions(+), 18 deletions(-) diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c index 7cc03f2..7ea0c0f 100644 --- a/drivers/ssb/driver_chipcommon.c +++ b/drivers/ssb/driver_chipcommon.c @@ -39,12 +39,14 @@ static inline void chipco_write32(struct ssb_chipcommon *cc, ssb_write32(cc->dev, offset, value); } -static inline void chipco_write32_masked(struct ssb_chipcommon *cc, u16 offset, - u32 mask, u32 value) +static inline u32 chipco_write32_masked(struct ssb_chipcommon *cc, u16 offset, + u32 mask, u32 value) { value &= mask; value |= chipco_read32(cc, offset) & ~mask; chipco_write32(cc, offset, value); + + return value; } void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc, @@ -355,16 +357,37 @@ u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask) { return chipco_read32(cc, SSB_CHIPCO_GPIOIN) & mask; } +EXPORT_SYMBOL(ssb_chipco_gpio_in); + +u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value) +{ + return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value); +} +EXPORT_SYMBOL(ssb_chipco_gpio_out); + +u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value) +{ + return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value); +} +EXPORT_SYMBOL(ssb_chipco_gpio_outen); + +u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value) +{ + return chipco_write32_masked(cc, SSB_CHIPCO_GPIOCTL, mask, value); +} +EXPORT_SYMBOL(ssb_chipco_gpio_control); -void ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value) +u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value) { - chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value); + return chipco_write32_masked(cc, SSB_CHIPCO_GPIOIRQ, mask, value); } +EXPORT_SYMBOL(ssb_chipco_gpio_intmask); -void ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value) +u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value) { - chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value); + return chipco_write32_masked(cc, SSB_CHIPCO_GPIOPOL, mask, value); } +EXPORT_SYMBOL(ssb_chipco_gpio_polarity); #ifdef CONFIG_SSB_SERIAL int ssb_chipco_serial_init(struct ssb_chipcommon *cc, diff --git a/drivers/ssb/driver_extif.c b/drivers/ssb/driver_extif.c index b1899f4..10c6b28 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); diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h index 8963815..536851b 100644 --- a/include/linux/ssb/ssb_driver_chipcommon.h +++ b/include/linux/ssb/ssb_driver_chipcommon.h @@ -390,11 +390,13 @@ extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc, extern void ssb_chipco_watchdog_timer_set(struct ssb_chipcommon *cc, u32 ticks); +/* Chipcommon GPIO pin access. */ u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask); - -void ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value); - -void ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value); +u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value); +u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value); +u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value); +u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value); +u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value); #ifdef CONFIG_SSB_SERIAL extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc, diff --git a/include/linux/ssb/ssb_driver_extif.h b/include/linux/ssb/ssb_driver_extif.h index 0d7c9bf..91161f0 100644 --- a/include/linux/ssb/ssb_driver_extif.h +++ b/include/linux/ssb/ssb_driver_extif.h @@ -174,11 +174,12 @@ extern void ssb_extif_timing_init(struct ssb_extif *extif, extern void ssb_extif_watchdog_timer_set(struct ssb_extif *extif, u32 ticks); +/* Extif GPIO pin access */ u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask); - -void ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value); - -void ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value); +u32 ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value); +u32 ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value); +u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value); +u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value); #ifdef CONFIG_SSB_SERIAL extern int ssb_extif_serial_init(struct ssb_extif *extif, - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html