/*      $NetBSD: i8237reg.h,v 1.8 2005/12/11 12:21:26 christos Exp $    */

/*
* Intel 8237 DMA Controller
*/

#define DMA37MD_WRITE   0x04    /* read the device, write memory operation */
#define DMA37MD_READ    0x08    /* write the device, read memory operation */
#define DMA37MD_LOOP    0x10    /* auto-initialize mode */
#define DMA37MD_DEMAND  0x00    /* demand mode */
#define DMA37MD_SINGLE  0x40    /* single mode */
#define DMA37MD_BLOCK   0x80    /* block mode */
#define DMA37MD_CASCADE 0xc0    /* cascade mode */

#define DMA37SM_CLEAR   0x00    /* clear mask bit */
#define DMA37SM_SET     0x04    /* set mask bit */

You are viewing proxied material from ftp.icm.edu.pl. The copyright of proxied material belongs to its original authors. Any comments or complaints in relation to proxied material should be directed to the original authors of the content concerned. Please see the disclaimer for more details.