patch-2.0.21-2.1.0 linux/include/asm-m68k/atari_acsi.h

• Lines: 38
• Date: Wed Sep 25 10:47:41 1996
• Orig file: lx2.0/v2.0.21/linux/include/asm-m68k/atari_acsi.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file lx2.0/v2.0.21/linux/include/asm-m68k/atari_acsi.h linux/include/asm-m68k/atari_acsi.h
@@ -0,0 +1,37 @@
+#ifndef _ASM_ATARI_ACSI_H
+#define _ASM_ATARI_ACSI_H
+
+/* Functions exported by drivers/block/acsi.c */
+
+void acsi_delay_start( void );
+void acsi_delay_end( long usec );
+int acsi_wait_for_IRQ( unsigned timeout );
+int acsi_wait_for_noIRQ( unsigned timeout );
+int acsicmd_nodma( const char *cmd, int enable);
+int acsi_getstatus( void );
+int acsi_extstatus( char *buffer, int cnt );
+void acsi_end_extstatus( void );
+int acsi_extcmd( unsigned char *buffer, int cnt );
+
+/* The ACSI buffer is guarantueed to reside in ST-RAM and may be used by other
+ * drivers that work on the ACSI bus, too. It's data are valid only as long as
+ * the ST-DMA is locked. */
+extern char *acsi_buffer;
+extern unsigned long phys_acsi_buffer;
+
+/* Utility macros */
+
+/* Send one data byte over the bus and set mode for next operation
+ * with one move.l -- Atari recommends this...
+ */
+
+#define DMA_LONG_WRITE(data,mode)							\
+    do {													\
+		*((unsigned long *)&dma_wd.fdc_acces_seccount) = 	\
+			((data)<<16) | (mode);							\
+	} while(0)
+
+#define ENABLE_IRQ()	atari_turnon_irq( IRQ_MFP_ACSI )
+#define DISABLE_IRQ()	atari_turnoff_irq( IRQ_MFP_ACSI )
+
+#endif /* _ASM_ATARI_ACSI_H */