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authorphk <phk@FreeBSD.org>2000-03-13 10:19:32 +0000
committerphk <phk@FreeBSD.org>2000-03-13 10:19:32 +0000
commit8e89e2d03f02f781ce162589fb0704e91d884725 (patch)
treeeb66f0ed21705383ed2e06c5af45fa2f4b853b07 /sys/alpha/isa
parente435347f0c0b53e0efe099a854735af2a18d31cf (diff)
downloadFreeBSD-src-8e89e2d03f02f781ce162589fb0704e91d884725.zip
FreeBSD-src-8e89e2d03f02f781ce162589fb0704e91d884725.tar.gz
Stop isadma from abusing the B_READ, B_RAW and B_WRITE flags.
Define ISADMA_{READ,WRITE,RAW} macros with the same numeric values as the B_{READ,WRITE,RAW} and use them instead throughout.
Diffstat (limited to 'sys/alpha/isa')
-rw-r--r--sys/alpha/isa/isa_dma.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/sys/alpha/isa/isa_dma.c b/sys/alpha/isa/isa_dma.c
index 4fcdc6b..8b5e64b 100644
--- a/sys/alpha/isa/isa_dma.c
+++ b/sys/alpha/isa/isa_dma.c
@@ -50,7 +50,6 @@
#include <sys/param.h>
#include <sys/systm.h>
-#include <sys/buf.h> /* B_READ and B_RAW */
#include <sys/malloc.h>
#include <sys/bus.h>
#include <vm/vm.h>
@@ -243,15 +242,15 @@ static void isa_dmastart_cb(void *arg, bus_dma_segment_t *segs, int nseg,
*/
/* set dma channel mode, and reset address ff */
- /* If B_RAW flag is set, then use autoinitialise mode */
- if (flags & B_RAW) {
- if (flags & B_READ)
+ /* If ISADMA_RAW flag is set, then use autoinitialise mode */
+ if (flags & ISADMA_RAW) {
+ if (flags & ISADMA_READ)
outb(DMA1_MODE, DMA37MD_AUTO|DMA37MD_WRITE|chan);
else
outb(DMA1_MODE, DMA37MD_AUTO|DMA37MD_READ|chan);
}
else
- if (flags & B_READ)
+ if (flags & ISADMA_READ)
outb(DMA1_MODE, DMA37MD_SINGLE|DMA37MD_WRITE|chan);
else
outb(DMA1_MODE, DMA37MD_SINGLE|DMA37MD_READ|chan);
@@ -276,15 +275,15 @@ static void isa_dmastart_cb(void *arg, bus_dma_segment_t *segs, int nseg,
*/
/* set dma channel mode, and reset address ff */
- /* If B_RAW flag is set, then use autoinitialise mode */
- if (flags & B_RAW) {
- if (flags & B_READ)
+ /* If ISADMA_RAW flag is set, then use autoinitialise mode */
+ if (flags & ISADMA_RAW) {
+ if (flags & ISADMA_READ)
outb(DMA2_MODE, DMA37MD_AUTO|DMA37MD_WRITE|(chan&3));
else
outb(DMA2_MODE, DMA37MD_AUTO|DMA37MD_READ|(chan&3));
}
else
- if (flags & B_READ)
+ if (flags & ISADMA_READ)
outb(DMA2_MODE, DMA37MD_SINGLE|DMA37MD_WRITE|(chan&3));
else
outb(DMA2_MODE, DMA37MD_SINGLE|DMA37MD_READ|(chan&3));
@@ -338,7 +337,7 @@ isa_dmastart(int flags, caddr_t addr, u_int nbytes, int chan)
dma_busy |= (1 << chan);
- if (flags & B_RAW) {
+ if (flags & ISADMA_RAW) {
dma_auto_mode |= (1 << chan);
} else {
dma_auto_mode &= ~(1 << chan);
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