SDHC_RETUNING_MODES_SHIFT
const u_int retuning_mode = (caps2 >> SDHC_RETUNING_MODES_SHIFT) &
#define SDHC_RETUNING_MODE_1 (0 << SDHC_RETUNING_MODES_SHIFT)
#define SDHC_RETUNING_MODE_2 (1 << SDHC_RETUNING_MODES_SHIFT)
#define SDHC_RETUNING_MODE_3 (2 << SDHC_RETUNING_MODES_SHIFT)