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device/smbus_host: Declare common early SMBus prototypes

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Change-Id: I1157cf391178a27db437d1d08ef5cb9333e976d0
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38233
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Kyösti Mälkki 2020-01-07 22:34:33 +02:00 • committed by Patrick Georgi
commit 1a1b04ea51
32 changed files with 71 additions and 157 deletions
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2
src/include/device/smbus.h
View file

@ -29,6 +29,7 @@ static inline const struct smbus_bus_operations *ops_smbus_bus(struct bus *bus)
struct bus *get_pbus_smbus(struct device *dev);
#if !DEVTREE_EARLY
static inline int smbus_recv_byte(struct device *const dev)
{
return i2c_dev_readb(dev);
@ -51,5 +52,6 @@ static inline int smbus_write_byte(struct device *const dev, u8 addr, u8 val)
int smbus_block_read(struct device *dev, u8 cmd, u8 bytes, u8 *buffer);
int smbus_block_write(struct device *dev, u8 cmd, u8 bytes, const u8 *buffer);
#endif
#endif /* DEVICE_SMBUS_H */

38
src/include/device/smbus_host.h
View file

@ -41,4 +41,42 @@ static inline void enable_smbus(void)
printk(BIOS_DEBUG, "SMBus controller enabled\n");
}
#if DEVTREE_EARLY
static inline int smbus_read_byte(u8 device, u8 address)
{
uintptr_t base = smbus_base();
return do_smbus_read_byte(base, device, address);
}
static inline int smbus_read_word(u8 device, u8 address)
{
uintptr_t base = smbus_base();
return do_smbus_read_word(base, device, address);
}
static inline int smbus_write_byte(u8 device, u8 address, u8 data)
{
uintptr_t base = smbus_base();
return do_smbus_write_byte(base, device, address, data);
}
static inline int smbus_block_read(u8 device, u8 cmd, size_t max_bytes, u8 *buf)
{
uintptr_t base = smbus_base();
return do_smbus_block_read(base, device, cmd, max_bytes, buf);
}
static inline int smbus_block_write(u8 device, u8 cmd, size_t bytes, const u8 *buf)
{
uintptr_t base = smbus_base();
return do_smbus_block_write(base, device, cmd, bytes, buf);
}
static inline int i2c_eeprom_read(u8 device, u8 offset, size_t bytes, u8 *buf)
{
uintptr_t base = smbus_base();
return do_i2c_eeprom_read(base, device, offset, bytes, buf);
}
#endif
#endif