1/*
2 * Intel 8237 DMA Controller
3 *
4 * $Id$
5 */
6
7#define DMA37MD_SINGLE 0x40 /* single pass mode */
8#define DMA37MD_CASCADE 0xc0 /* cascade mode */
9#define DMA37MD_AUTO 0x50 /* autoinitialise single pass mode */
10#define DMA37MD_WRITE 0x04 /* read the device, write memory operation */
11#define DMA37MD_READ 0x08 /* write the device, read memory operation */
12