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#ifndef DEVICE_SMBUS_H
#define DEVICE_SMBUS_H
#include <stdint.h>
#include <device/device.h>
#include <device/i2c_bus.h>
#include <device/smbus_def.h>
/* Common SMBus bus operations */
struct smbus_bus_operations {
int (*recv_byte)(device_t dev);
int (*send_byte)(device_t dev, u8 value);
int (*read_byte)(device_t dev, u8 addr);
int (*write_byte)(device_t dev, u8 addr, u8 value);
int (*block_read)(device_t dev, u8 cmd, u8 bytes, u8 *buffer);
int (*block_write)(device_t dev, u8 cmd, u8 bytes, const u8 *buffer);
};
static inline const struct smbus_bus_operations *ops_smbus_bus(struct bus *bus)
{
const struct smbus_bus_operations *bops;
bops = 0;
if (bus && bus->dev && bus->dev->ops)
bops = bus->dev->ops->ops_smbus_bus;
return bops;
}
struct bus *get_pbus_smbus(device_t dev);
int smbus_set_link(device_t dev);
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);
#if IS_ENABLED(CONFIG_SMBUS_HAS_AUX_CHANNELS)
void smbus_switch_to_channel(uint8_t channel_number);
uint8_t smbus_get_current_channel(void);
#endif
#endif /* DEVICE_SMBUS_H */
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