--- np2/io/dmac.h	2003/12/08 00:55:32	1.2
+++ np2/io/dmac.h	2004/03/06 18:25:36	1.7
@@ -5,16 +5,18 @@
 
 
 enum {
-	DMA_CH00			= 0,
-	DMA_CH01			= 1,
-	DMA_2HD				= 2,
-	DMA_2DD				= 3,
-
 	DMAEXT_START		= 0,
 	DMAEXT_END			= 1,
 	DMAEXT_BREAK		= 2,
 
-	DMA_INITSIGNALONLY	= 1
+	DMA_INITSIGNALONLY	= 1,
+
+	DMADEV_NONE			= 0,
+	DMADEV_2HD			= 1,
+	DMADEV_2DD			= 2,
+	DMADEV_SASI			= 3,
+	DMADEV_SCSI			= 4,
+	DMADEV_CS4231		= 5
 };
 
 #if defined(BYTESEX_LITTLE)
@@ -34,6 +36,12 @@ enum {
 #endif
 
 typedef struct {
+	void	(DMACCALL * outproc)(REG8 data);
+	REG8	(DMACCALL * inproc)(void);
+	REG8	(DMACCALL * extproc)(REG8 action);
+} DMAPROC;
+
+typedef struct {
 	union {
 		BYTE	b[4];
 		UINT16	w[2];
@@ -51,10 +59,9 @@ typedef struct {
 		BYTE	b[2];
 		UINT16	w;
 	} lengorg;
-	UINT16	action;
-	void	(DMACCALL * outproc)(REG8 data);
-	REG8	(DMACCALL * inproc)(void);
-	REG8	(DMACCALL * extproc)(REG8 action);
+	UINT8	bound;
+	UINT8	action;
+	DMAPROC	proc;
 	UINT8	mode;
 	UINT8	sreq;
 	UINT8	ready;
@@ -62,12 +69,19 @@ typedef struct {
 } _DMACH, *DMACH;
 
 typedef struct {
+	UINT8	device;
+	UINT8	channel;
+} DMADEV;
+
+typedef struct {
 	_DMACH	dmach[4];
 	int		lh;
-	UINT	work;
-	UINT	working;
+	UINT8	work;
+	UINT8	working;
 	UINT8	mask;
 	UINT8	stat;
+	UINT	devices;
+	DMADEV	device[8];
 } _DMAC, *DMAC;
 
 
@@ -81,9 +95,14 @@ REG8 DMACCALL dma_dummyproc(REG8 func);
 
 void dmac_reset(void);
 void dmac_bind(void);
+void dmac_extbind(void);
 
 void dmac_check(void);
 
+void dmac_procset(void);
+void dmac_attach(REG8 device, REG8 channel);
+void dmac_detach(REG8 device);
+
 #ifdef __cplusplus
 }
 #endif