atari_acsi.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- #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 */