diff options
| author | Michael Buesch <mb@bu3sch.de> | 2008-02-20 19:08:10 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-02-29 15:37:26 -0500 |
| commit | ffc7689ddae5cbe12bde437ae0f2b386d568b5cd (patch) | |
| tree | 638e7dcf083c88cf45763953aa244504d357a220 /include/linux/ssb | |
| parent | 004c872e78d433f84f0a5cd4db7a6c780c0946e1 (diff) | |
ssb: Add support for 8bit register access
This adds support for 8bit wide register reads/writes.
This is needed in order to support the gigabit ethernet core.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/linux/ssb')
| -rw-r--r-- | include/linux/ssb/ssb.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h index 20add65215af..860d28c6d149 100644 --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h @@ -72,8 +72,10 @@ struct ssb_device; /* Lowlevel read/write operations on the device MMIO. * Internal, don't use that outside of ssb. */ struct ssb_bus_ops { + u8 (*read8)(struct ssb_device *dev, u16 offset); u16 (*read16)(struct ssb_device *dev, u16 offset); u32 (*read32)(struct ssb_device *dev, u16 offset); + void (*write8)(struct ssb_device *dev, u16 offset, u8 value); void (*write16)(struct ssb_device *dev, u16 offset, u16 value); void (*write32)(struct ssb_device *dev, u16 offset, u32 value); }; @@ -344,6 +346,10 @@ void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags); /* Device MMIO register read/write functions. */ +static inline u8 ssb_read8(struct ssb_device *dev, u16 offset) +{ + return dev->ops->read8(dev, offset); +} static inline u16 ssb_read16(struct ssb_device *dev, u16 offset) { return dev->ops->read16(dev, offset); @@ -352,6 +358,10 @@ static inline u32 ssb_read32(struct ssb_device *dev, u16 offset) { return dev->ops->read32(dev, offset); } +static inline void ssb_write8(struct ssb_device *dev, u16 offset, u8 value) +{ + dev->ops->write8(dev, offset, value); +} static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value) { dev->ops->write16(dev, offset, value); |