1 files changed, 37 insertions, 0 deletions

diff --git a/include/asm-m68k/atari_acsi.h b/include/asm-m68k/atari_acsi.h
new file mode 100644
index 000000000000..10fea68f191a
--- /dev/null
+++ b/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 */