225   struct scc_param param;  member
574     priv->param.pclk_hz = hw[type].pclk_hz;  in setup_adapter()
575     priv->param.brg_tc = -1;  in setup_adapter()
576     priv->param.clocks = TCTRxCP | RCRTxCP;  in setup_adapter()
577     priv->param.persist = 256;  in setup_adapter()
578     priv->param.dma = -1;  in setup_adapter()
730   if (priv->param.dma >= 0) {  in scc_open()
731     if (request_dma(priv->param.dma, "dmascc")) {  in scc_open()
737       clear_dma_ff(priv->param.dma);  in scc_open()
794     if (priv->param.dma >= 0) {  in scc_open()
804   write_scc(priv, R10, CRCPS | (priv->param.nrzi ? NRZI : NRZ));  in scc_open()
807   if (priv->param.brg_tc >= 0) {  in scc_open()
809     write_scc(priv, R12, priv->param.brg_tc & 0xFF);  in scc_open()
810     write_scc(priv, R13, (priv->param.brg_tc>>8) & 0xFF);  in scc_open()
828   write_scc(priv, R11, priv->param.clocks);  in scc_open()
829   if ((priv->type == TYPE_TWIN) && !(priv->param.clocks & TRxCOI)) {  in scc_open()
871   if (priv->param.dma >= 0) {  in scc_close()
873     free_dma(priv->param.dma);  in scc_close()
887     if (copy_to_user(ifr->ifr_data, &priv->param, sizeof(struct scc_param)))  in scc_ioctl()
893     if (copy_from_user(&priv->param, ifr->ifr_data, sizeof(struct scc_param)))  in scc_ioctl()
935     start_timer(priv, priv->param.txdelay, 0);  in scc_send_packet()
1021   if (priv->param.dma >= 0) {  in rx_isr()
1053     if (priv->param.dma < 0) write_scc(priv, R0, ERR_RES);  in special_condition()
1056     if (priv->param.dma >= 0) {  in special_condition()
1058       cb = BUF_SIZE - get_dma_residue(priv->param.dma) - 2;  in special_condition()
1092     if (priv->param.dma >= 0) {  in special_condition()
1094       set_dma_addr(priv->param.dma, (int) priv->rx_buf[priv->rx_head]);  in special_condition()
1095       set_dma_count(priv->param.dma, BUF_SIZE);  in special_condition()
1173   if (priv->param.dma >= 0) {  in tx_on()
1177     set_dma_mode(priv->param.dma, DMA_MODE_WRITE);  in tx_on()
1178     set_dma_addr(priv->param.dma, (int) priv->tx_buf[priv->tx_tail]+n);  in tx_on()
1179     set_dma_count(priv->param.dma, priv->tx_len[priv->tx_tail]-n);  in tx_on()
1185       outb((priv->param.dma == 1) ? TWIN_DMA_HDX_T1 : TWIN_DMA_HDX_T3,  in tx_on()
1194     enable_dma(priv->param.dma);  in tx_on()
1212   if (priv->param.dma >= 0) {  in rx_on()
1215     set_dma_mode(priv->param.dma, DMA_MODE_READ);  in rx_on()
1216     set_dma_addr(priv->param.dma, (int) priv->rx_buf[priv->rx_head]);  in rx_on()
1217     set_dma_count(priv->param.dma, BUF_SIZE);  in rx_on()
1219     enable_dma(priv->param.dma);  in rx_on()
1222       outb((priv->param.dma == 1) ? TWIN_DMA_HDX_R1 : TWIN_DMA_HDX_R3,  in rx_on()
1244   if (priv->param.dma >= 0 && priv->type == TYPE_TWIN)  in rx_off()
1249   if (priv->param.dma >= 0) disable_dma(priv->param.dma);  in rx_off()
1268     if (priv->param.dma >= 0) {  in es_isr()
1269       disable_dma(priv->param.dma);  in es_isr()
1271       res = get_dma_residue(priv->param.dma);  in es_isr()
1278     if (priv->param.dma >= 0 && priv->type == TYPE_TWIN)  in es_isr()
1302 	(jiffies - priv->tx_start) < priv->param.txtimeout) {  in es_isr()
1304       start_timer(priv, priv->param.txpause, 0);  in es_isr()
1307       start_timer(priv, priv->param.txtail, 0);  in es_isr()
1319 	start_timer(priv, priv->param.dcdon, 0);  in es_isr()
1327 	start_timer(priv, priv->param.dcdoff, 0);  in es_isr()
1350     start_timer(priv, priv->param.rtsoff, 0);  in tm_isr()
1361       start_timer(priv, priv->param.waittime, DCDIE);  in tm_isr()
1370       start_timer(priv, priv->param.txdelay, 0);  in tm_isr()
1386 		  random()/priv->param.persist*priv->param.slottime,  in tm_isr()