| #ifndef DEVICE_SMBUS_H |
| #define DEVICE_SMBUS_H |
| |
| #include <stdint.h> |
| #include <device/device.h> |
| #include <device/path.h> |
| #include <device/smbus_def.h> |
| |
| /* Common SMBus bus operations */ |
| struct smbus_bus_operations { |
| int (*quick_read) (device_t dev); |
| int (*quick_write) (device_t dev); |
| 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 (*read_word) (device_t dev, u8 addr); |
| int (*write_word) (device_t dev, u8 addr, u16 value); |
| int (*process_call)(device_t dev, u8 cmd, u16 data); |
| 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); |
| |
| int smbus_quick_read(device_t dev); |
| int smbus_quick_write(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); |
| int smbus_read_word(device_t dev, u8 addr); |
| int smbus_write_word(device_t dev, u8 addr, u16 val); |
| int smbus_process_call(device_t dev, u8 cmd, u16 data); |
| 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); |
| |
| #endif /* DEVICE_SMBUS_H */ |
