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i2c mux support

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git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1809 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Yinghai Lu
2004-12-03 03:39:04 +00:00
parent 57b6786168
commit 7213d0f513
23 changed files with 686 additions and 151 deletions
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63
src/include/device/smbus.h
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@@ -21,50 +21,29 @@ struct smbus_bus_operations {
int (*block_write) (device_t dev, uint8_t cmd, uint8_t bytes, const uint8_t *buffer);
};
static inline int smbus_quick_read(device_t dev)
static inline const struct smbus_bus_operations *ops_smbus_bus(struct bus *bus)
{
return dev->bus->dev->ops->ops_smbus_bus->quick_read(dev);
}
static inline int smbus_quick_write(device_t dev)
{
return dev->bus->dev->ops->ops_smbus_bus->quick_write(dev);
}
static inline int smbus_recv_byte(device_t dev)
{
return dev->bus->dev->ops->ops_smbus_bus->recv_byte(dev);
}
static inline int smbus_send_byte(device_t dev, uint8_t byte)
{
return dev->bus->dev->ops->ops_smbus_bus->send_byte(dev, byte);
}
static inline int smbus_read_byte(device_t dev, uint8_t addr)
{
return dev->bus->dev->ops->ops_smbus_bus->read_byte(dev, addr);
}
static inline int smbus_write_byte(device_t dev, uint8_t addr, uint8_t val)
{
return dev->bus->dev->ops->ops_smbus_bus->write_byte(dev, addr, val);
}
static inline int smbus_read_word(device_t dev, uint8_t addr)
{
return dev->bus->dev->ops->ops_smbus_bus->read_word(dev, addr);
}
static inline int smbus_write_word(device_t dev, uint8_t addr, uint16_t val)
{
return dev->bus->dev->ops->ops_smbus_bus->write_word(dev, addr, val);
}
static inline int smbus_process_call(device_t dev, uint8_t cmd, uint16_t data)
{
return dev->bus->dev->ops->ops_smbus_bus->process_call(dev, cmd, data);
}
static inline int smbus_block_read(device_t dev, uint8_t cmd, uint8_t bytes, uint8_t *buffer)
{
return dev->bus->dev->ops->ops_smbus_bus->block_read(dev, cmd, bytes, buffer);
}
static inline int smbus_block_write(device_t dev, uint8_t cmd, uint8_t bytes, const uint8_t *buffer)
{
return dev->bus->dev->ops->ops_smbus_bus->block_write(dev, cmd, bytes, buffer);
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, uint8_t byte);
int smbus_read_byte(device_t dev, uint8_t addr);
int smbus_write_byte(device_t dev, uint8_t addr, uint8_t val);
int smbus_read_word(device_t dev, uint8_t addr);
int smbus_write_word(device_t dev, uint8_t addr, uint16_t val);
int smbus_process_call(device_t dev, uint8_t cmd, uint16_t data);
int smbus_block_read(device_t dev, uint8_t cmd, uint8_t bytes, uint8_t *buffer);
int smbus_block_write(device_t dev, uint8_t cmd, uint8_t bytes, const uint8_t *buffer);
#endif /* DEVICE_SMBUS_H */