SNDDATAI_MODE
tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
tg3_rd32_loop(tp, regs, SNDDATAI_MODE, 0xe0);
err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);