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authornyan <nyan@FreeBSD.org>2005-05-14 10:14:56 +0000
committernyan <nyan@FreeBSD.org>2005-05-14 10:14:56 +0000
commit7d8da118c14109f26643f2fb202d60d1c1b0f189 (patch)
tree8f8dfa32b717e024b13ab2d3e5a3409e35636eda /sys/isa/isa_dmareg.h
parent8eefffbe8dcf6461ff80845af9b16fea1245e6b1 (diff)
downloadFreeBSD-src-7d8da118c14109f26643f2fb202d60d1c1b0f189.zip
FreeBSD-src-7d8da118c14109f26643f2fb202d60d1c1b0f189.tar.gz
- Move bus dependent defines to {isa,cbus}_dmareg.h.
- Use isa/isareg.h rather than <arch>/isa/isa.h. Tested on: i386, pc98
Diffstat (limited to 'sys/isa/isa_dmareg.h')
-rw-r--r--sys/isa/isa_dmareg.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/sys/isa/isa_dmareg.h b/sys/isa/isa_dmareg.h
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+++ b/sys/isa/isa_dmareg.h
@@ -0,0 +1,56 @@
+/*-
+ * Copyright (C) 2005 TAKAHASHI Yoshihiro. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _ISA_ISA_DMAREG_H_
+#define _ISA_ISA_DMAREG_H_
+
+#include <dev/ic/i8237.h>
+
+#define IO_DMA1 0x00 /* 8237A DMA Controller #1 */
+#define IO_DMA2 0xC0 /* 8237A DMA Controller #2 */
+
+/*
+ * Register definitions for DMA controller 1 (channels 0..3):
+ */
+#define DMA1_CHN(c) (IO_DMA1 + 1*(2*(c))) /* addr reg for channel c */
+#define DMA1_STATUS (IO_DMA1 + 1*8) /* status register */
+#define DMA1_SMSK (IO_DMA1 + 1*10) /* single mask register */
+#define DMA1_MODE (IO_DMA1 + 1*11) /* mode register */
+#define DMA1_FFC (IO_DMA1 + 1*12) /* clear first/last FF */
+#define DMA1_RESET (IO_DMA1 + 1*13) /* reset */
+
+/*
+ * Register definitions for DMA controller 2 (channels 4..7):
+ */
+#define DMA2_CHN(c) (IO_DMA2 + 2*(2*(c))) /* addr reg for channel c */
+#define DMA2_STATUS (IO_DMA2 + 2*8) /* status register */
+#define DMA2_SMSK (IO_DMA2 + 2*10) /* single mask register */
+#define DMA2_MODE (IO_DMA2 + 2*11) /* mode register */
+#define DMA2_FFC (IO_DMA2 + 2*12) /* clear first/last FF */
+#define DMA2_RESET (IO_DMA2 + 2*13) /* reset */
+
+#endif /* _ISA_ISA_DMAREG_H_ */
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