blob: 31a882fbf3760c09f53bd8223b6d35f39c363578 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
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 */
|
