SCMD_REG_BRIDGE
err = (*(fb->func_phy_read))(fd, debug, 0, SCMD_REG_BRIDGE, SCMD_REG_BRIDGE, &b);
err = (*(fb->func_phy_read))(fd, debug, 0, SCMD_REG_BRIDGE, SCMD_REG_BRIDGE, &b);
err = (*(fb->func_phy_write))(fd, debug, 0, SCMD_REG_BRIDGE, b);