tdma_ch_read
u32 status = tdma_ch_read(tdc, ADMA_CH_INT_STATUS);
unsigned int pos = tdma_ch_read(tdc, ADMA_CH_XFER_STATUS -
csts = tdma_ch_read(tdc, ADMA_CH_STATUS);
ch_regs->ctrl = tdma_ch_read(tdc, ADMA_CH_CTRL);
ch_regs->ctrl = tdma_ch_read(tdc, ADMA_CH_CTRL);
ch_reg->cmd = tdma_ch_read(tdc, ADMA_CH_CMD);
ch_reg->tc = tdma_ch_read(tdc, ADMA_CH_TC - tdma->cdata->ch_tc_offset_diff);
ch_reg->src_addr = tdma_ch_read(tdc, ADMA_CH_LOWER_SRC_ADDR -
ch_reg->trg_addr = tdma_ch_read(tdc, ADMA_CH_LOWER_TRG_ADDR -
ch_reg->ctrl = tdma_ch_read(tdc, ADMA_CH_CTRL);
ch_reg->fifo_ctrl = tdma_ch_read(tdc, ADMA_CH_FIFO_CTRL);
ch_reg->config = tdma_ch_read(tdc, ADMA_CH_CONFIG);