diff options
| -rw-r--r-- | src/device/smbus_ops.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/device/smbus_ops.c b/src/device/smbus_ops.c index bcef4cd3cc..41b31ed9a9 100644 --- a/src/device/smbus_ops.c +++ b/src/device/smbus_ops.c @@ -79,59 +79,89 @@ int smbus_set_link(device_t dev) return pbus_num; } +#define CHECK_PRESENCE(x) \ + if (!ops_smbus_bus(get_pbus_smbus(dev))->x) { \ + printk(BIOS_ERR, "%s missing " #x "\n", \ + dev_path(dev)); \ + return -1; \ + } + + int smbus_quick_read(device_t dev) { + CHECK_PRESENCE(quick_read); + return ops_smbus_bus(get_pbus_smbus(dev))->quick_read(dev); } int smbus_quick_write(device_t dev) { + CHECK_PRESENCE(quick_write); + return ops_smbus_bus(get_pbus_smbus(dev))->quick_write(dev); } int smbus_recv_byte(device_t dev) { + CHECK_PRESENCE(recv_byte); + return ops_smbus_bus(get_pbus_smbus(dev))->recv_byte(dev); } int smbus_send_byte(device_t dev, u8 byte) { + CHECK_PRESENCE(send_byte); + return ops_smbus_bus(get_pbus_smbus(dev))->send_byte(dev, byte); } int smbus_read_byte(device_t dev, u8 addr) { + CHECK_PRESENCE(read_byte); + return ops_smbus_bus(get_pbus_smbus(dev))->read_byte(dev, addr); } int smbus_write_byte(device_t dev, u8 addr, u8 val) { + CHECK_PRESENCE(write_byte); + return ops_smbus_bus(get_pbus_smbus(dev))->write_byte(dev, addr, val); } int smbus_read_word(device_t dev, u8 addr) { + CHECK_PRESENCE(read_word); + return ops_smbus_bus(get_pbus_smbus(dev))->read_word(dev, addr); } int smbus_write_word(device_t dev, u8 addr, u16 val) { + CHECK_PRESENCE(write_word); + return ops_smbus_bus(get_pbus_smbus(dev))->write_word(dev, addr, val); } int smbus_process_call(device_t dev, u8 cmd, u16 data) { + CHECK_PRESENCE(process_call); + return ops_smbus_bus(get_pbus_smbus(dev))->process_call(dev, cmd, data); } int smbus_block_read(device_t dev, u8 cmd, u8 bytes, u8 *buffer) { + CHECK_PRESENCE(block_read); + return ops_smbus_bus(get_pbus_smbus(dev))->block_read(dev, cmd, bytes, buffer); } int smbus_block_write(device_t dev, u8 cmd, u8 bytes, const u8 *buffer) { + CHECK_PRESENCE(block_write); + return ops_smbus_bus(get_pbus_smbus(dev))->block_write(dev, cmd, bytes, buffer); } |