5 #include <device/device.h>
6 #include <device/path.h>
7 #include <device/smbus_def.h>
9 /* Common smbus bus operations */
10 struct smbus_bus_operations {
11 int (*quick_read) (device_t dev);
12 int (*quick_write) (device_t dev);
13 int (*recv_byte) (device_t dev);
14 int (*send_byte) (device_t dev, uint8_t value);
15 int (*read_byte) (device_t dev, uint8_t addr);
16 int (*write_byte) (device_t dev, uint8_t addr, uint8_t value);
17 int (*read_word) (device_t dev, uint8_t addr);
18 int (*write_word) (device_t dev, uint8_t addr, uint16_t value);
19 int (*process_call)(device_t dev, uint8_t cmd, uint16_t data);
20 int (*block_read) (device_t dev, uint8_t cmd, uint8_t bytes, uint8_t *buffer);
21 int (*block_write) (device_t dev, uint8_t cmd, uint8_t bytes, const uint8_t *buffer);
24 static inline const struct smbus_bus_operations *ops_smbus_bus(struct bus *bus)
26 const struct smbus_bus_operations *bops;
28 if (bus && bus->dev && bus->dev->ops) {
29 bops = bus->dev->ops->ops_smbus_bus;
33 struct bus *get_pbus_smbus(device_t dev);
34 int smbus_set_link(device_t dev);
36 int smbus_quick_read(device_t dev);
37 int smbus_quick_write(device_t dev);
38 int smbus_recv_byte(device_t dev);
39 int smbus_send_byte(device_t dev, uint8_t byte);
40 int smbus_read_byte(device_t dev, uint8_t addr);
41 int smbus_write_byte(device_t dev, uint8_t addr, uint8_t val);
42 int smbus_read_word(device_t dev, uint8_t addr);
43 int smbus_write_word(device_t dev, uint8_t addr, uint16_t val);
44 int smbus_process_call(device_t dev, uint8_t cmd, uint16_t data);
45 int smbus_block_read(device_t dev, uint8_t cmd, uint8_t bytes, uint8_t *buffer);
46 int smbus_block_write(device_t dev, uint8_t cmd, uint8_t bytes, const uint8_t *buffer);
49 #endif /* DEVICE_SMBUS_H */