diff options
-rw-r--r-- | sys/amd64/isa/isa.c | 20 | ||||
-rw-r--r-- | sys/dev/ic/i8237.h | 3 | ||||
-rw-r--r-- | sys/i386/isa/ic/i8237.h | 3 | ||||
-rw-r--r-- | sys/i386/isa/isa.c | 20 | ||||
-rw-r--r-- | sys/i386/isa/sound/dmabuf.c | 6 | ||||
-rw-r--r-- | sys/i386/isa/sound/local.h | 3 |
6 files changed, 45 insertions, 10 deletions
diff --git a/sys/amd64/isa/isa.c b/sys/amd64/isa/isa.c index f0fee05..89dd774 100644 --- a/sys/amd64/isa/isa.c +++ b/sys/amd64/isa/isa.c @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * from: @(#)isa.c 7.2 (Berkeley) 5/13/91 - * $Id: isa.c,v 1.33 1994/10/25 23:06:15 se Exp $ + * $Id: isa.c,v 1.34 1994/10/26 00:16:20 phk Exp $ */ /* @@ -691,6 +691,15 @@ void isa_dmastart(int flags, caddr_t addr, unsigned nbytes, unsigned chan) * byte mode channels. */ /* 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) + outb(DMA1_MODE, DMA37MD_AUTO|DMA37MD_WRITE|chan); + else + outb(DMA1_MODE, DMA37MD_AUTO|DMA37MD_READ|chan); + } + else if (flags & B_READ) outb(DMA1_MODE, DMA37MD_SINGLE|DMA37MD_WRITE|chan); else @@ -715,6 +724,15 @@ void isa_dmastart(int flags, caddr_t addr, unsigned nbytes, unsigned chan) * word mode channels. */ /* 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) + outb(DMA2_MODE, DMA37MD_AUTO|DMA37MD_WRITE|(chan&3)); + else + outb(DMA2_MODE, DMA37MD_AUTO|DMA37MD_READ|(chan&3)); + } + else if (flags & B_READ) outb(DMA2_MODE, DMA37MD_SINGLE|DMA37MD_WRITE|(chan&3)); else diff --git a/sys/dev/ic/i8237.h b/sys/dev/ic/i8237.h index 2199e73..722194c 100644 --- a/sys/dev/ic/i8237.h +++ b/sys/dev/ic/i8237.h @@ -1,11 +1,12 @@ /* * Intel 8237 DMA Controller * - * $Id$ + * $Id: i8237.h,v 1.2 1993/10/16 13:48:48 rgrimes Exp $ */ #define DMA37MD_SINGLE 0x40 /* single pass mode */ #define DMA37MD_CASCADE 0xc0 /* cascade mode */ +#define DMA37MD_AUTO 0x50 /* autoinitialise single pass mode */ #define DMA37MD_WRITE 0x04 /* read the device, write memory operation */ #define DMA37MD_READ 0x08 /* write the device, read memory operation */ diff --git a/sys/i386/isa/ic/i8237.h b/sys/i386/isa/ic/i8237.h index 2199e73..722194c 100644 --- a/sys/i386/isa/ic/i8237.h +++ b/sys/i386/isa/ic/i8237.h @@ -1,11 +1,12 @@ /* * Intel 8237 DMA Controller * - * $Id$ + * $Id: i8237.h,v 1.2 1993/10/16 13:48:48 rgrimes Exp $ */ #define DMA37MD_SINGLE 0x40 /* single pass mode */ #define DMA37MD_CASCADE 0xc0 /* cascade mode */ +#define DMA37MD_AUTO 0x50 /* autoinitialise single pass mode */ #define DMA37MD_WRITE 0x04 /* read the device, write memory operation */ #define DMA37MD_READ 0x08 /* write the device, read memory operation */ diff --git a/sys/i386/isa/isa.c b/sys/i386/isa/isa.c index f0fee05..89dd774 100644 --- a/sys/i386/isa/isa.c +++ b/sys/i386/isa/isa.c @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * from: @(#)isa.c 7.2 (Berkeley) 5/13/91 - * $Id: isa.c,v 1.33 1994/10/25 23:06:15 se Exp $ + * $Id: isa.c,v 1.34 1994/10/26 00:16:20 phk Exp $ */ /* @@ -691,6 +691,15 @@ void isa_dmastart(int flags, caddr_t addr, unsigned nbytes, unsigned chan) * byte mode channels. */ /* 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) + outb(DMA1_MODE, DMA37MD_AUTO|DMA37MD_WRITE|chan); + else + outb(DMA1_MODE, DMA37MD_AUTO|DMA37MD_READ|chan); + } + else if (flags & B_READ) outb(DMA1_MODE, DMA37MD_SINGLE|DMA37MD_WRITE|chan); else @@ -715,6 +724,15 @@ void isa_dmastart(int flags, caddr_t addr, unsigned nbytes, unsigned chan) * word mode channels. */ /* 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) + outb(DMA2_MODE, DMA37MD_AUTO|DMA37MD_WRITE|(chan&3)); + else + outb(DMA2_MODE, DMA37MD_AUTO|DMA37MD_READ|(chan&3)); + } + else if (flags & B_READ) outb(DMA2_MODE, DMA37MD_SINGLE|DMA37MD_WRITE|(chan&3)); else diff --git a/sys/i386/isa/sound/dmabuf.c b/sys/i386/isa/sound/dmabuf.c index 1a736b5..aefeaf4 100644 --- a/sys/i386/isa/sound/dmabuf.c +++ b/sys/i386/isa/sound/dmabuf.c @@ -25,7 +25,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: dmabuf.c,v 1.8 1994/08/02 07:39:49 davidg Exp $ + * $Id: dmabuf.c,v 1.9 1994/10/01 02:16:35 swallace Exp $ */ #include "sound_config.h" @@ -659,9 +659,7 @@ DMAbuf_start_dma (int dev, unsigned long physaddr, int count, int dma_mode) RESTORE_INTR (flags); #else /* linux */ #ifdef __FreeBSD__ - printk ("sound: Invalid DMA mode for device %d\n", dev); - - isa_dmastart ((dma_mode == DMA_MODE_READ) ? B_READ : B_WRITE, + isa_dmastart (B_RAW + ((dma_mode == DMA_MODE_READ) ? B_READ : B_WRITE), (caddr_t)dmap->raw_buf_phys[0], dmap->bytes_in_use, chan); diff --git a/sys/i386/isa/sound/local.h b/sys/i386/isa/sound/local.h index 72e0d6b..b7fba6d 100644 --- a/sys/i386/isa/sound/local.h +++ b/sys/i386/isa/sound/local.h @@ -1,6 +1,6 @@ /* for FreeBSD */ /* - * $Id: local.h,v 1.9 1994/09/27 17:58:19 davidg Exp $ + * $Id: local.h,v 1.10 1994/10/01 02:16:44 swallace Exp $ */ #include "snd.h" @@ -21,7 +21,6 @@ #endif #define DSP_BUFFSIZE 65536 -#define NO_AUTODMA /* still */ #define SELECTED_SOUND_OPTIONS 0xffffffff #define SOUND_VERSION_STRING "2.90-2" #define SOUND_CONFIG_DATE "Thu Sep 29 15:33:39 PDT 1994" |