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device/smbus: Reuse I2C bus operations where applicable

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Reuse generic I2C functions that work for SMBus operations as well.

Change-Id: I5a93f17b905de38752254891aa4347ba4ed3b205
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/20855
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Nico Huber
2017-08-02 16:57:17 +02:00
committed by Martin Roth
parent 0594c5973c
commit 632d6abb8a
2 changed files with 24 additions and 53 deletions
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26
src/include/device/smbus.h
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@@ -3,7 +3,7 @@
#include <stdint.h>
#include <device/device.h>
#include <device/path.h>
#include <device/i2c_bus.h>
#include <device/smbus_def.h>
/* Common SMBus bus operations */
@@ -30,10 +30,26 @@ static inline const struct smbus_bus_operations *ops_smbus_bus(struct bus *bus)
struct bus *get_pbus_smbus(device_t dev);
int smbus_set_link(device_t dev);
int smbus_recv_byte(device_t dev);
int smbus_send_byte(device_t dev, u8 byte);
int smbus_read_byte(device_t dev, u8 addr);
int smbus_write_byte(device_t dev, u8 addr, u8 val);
static inline int smbus_recv_byte(struct device *const dev)
{
return i2c_readb(dev);
}
static inline int smbus_send_byte(struct device *const dev, u8 byte)
{
return i2c_writeb(dev, byte);
}
static inline int smbus_read_byte(struct device *const dev, u8 addr)
{
return i2c_readb_at(dev, addr);
}
static inline int smbus_write_byte(struct device *const dev, u8 addr, u8 val)
{
return i2c_writeb_at(dev, addr, val);
}
int smbus_block_read(device_t dev, u8 cmd, u8 bytes, u8 *buffer);
int smbus_block_write(device_t dev, u8 cmd, u8 bytes, const u8 *buffer);