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- /*
- * $Id: dmascc.h,v 1.1 1997/12/01 10:44:55 oe1kib Exp $
- *
- * Driver for high-speed SCC boards (those with DMA support)
- * Copyright (C) 1997 Klaus Kudielka
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- /* Ioctls */
- #define SIOCGSCCPARAM SIOCDEVPRIVATE
- #define SIOCSSCCPARAM (SIOCDEVPRIVATE+1)
-
- /* Frequency of timer 0 */
- #define TMR_0_HZ 25600
-
- /* Configurable parameters */
- struct scc_param {
- int pclk_hz; /* frequency of BRG input (read-only - don't change) */
- int brg_tc; /* baud rate generator terminal count - BRG disabled if < 0 */
- int nrzi; /* 0 (nrz), 1 (nrzi) */
- int clocks; /* see documentation */
- int txdelay; /* [1/TMR_0_HZ] */
- int txtime; /* [1/HZ] */
- int sqdelay; /* [1/TMR_0_HZ] */
- int waittime; /* [1/TMR_0_HZ] */
- int slottime; /* [1/TMR_0_HZ] */
- int persist; /* 0 ... 255 */
- int dma; /* 1, 3 */
- };
-
-