AR5K_AR5212_TXCFG
AR5K_REG_ENABLE_BITS(AR5K_AR5212_TXCFG,
AR5K_REG_DISABLE_BITS(AR5K_AR5212_TXCFG,
AR5K_REG_WRITE_BITS(AR5K_AR5212_TXCFG, AR5K_AR5212_TXCFG_SDMAMR,
trigger_level = AR5K_REG_MS(AR5K_REG_READ(AR5K_AR5212_TXCFG),
AR5K_REG_WRITE_BITS(AR5K_AR5212_TXCFG,