Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add DMA37MD_DEMAND and DMA37MD_BLOCK.

This commit is contained in:
mycroft 1997-05-29 21:42:28 +00:00
parent bdb1fd223a
commit cf09974361
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/dev/ic/i8237reg.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: i8237reg.h,v 1.5 1996/03/01 22:27:09 mycroft Exp $ */
/* $NetBSD: i8237reg.h,v 1.6 1997/05/29 21:42:28 mycroft Exp $ */
/*
* Intel 8237 DMA Controller
@ -7,7 +7,9 @@
#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_SINGLE 0x40 /* single pass 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 */