S1DREG_BBLT_OP
s1d13xxxfb_writereg(info->par, S1DREG_BBLT_OP, 0x03);
s1d13xxxfb_writereg(info->par, S1DREG_BBLT_OP, 0x02);
s1d13xxxfb_writereg(info->par, S1DREG_BBLT_OP, BBLT_SOLID_FILL);