diff options
Diffstat (limited to 'drivers/scsi/a3000.h')
| -rw-r--r-- | drivers/scsi/a3000.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/scsi/a3000.h b/drivers/scsi/a3000.h new file mode 100644 index 00000000000..b1eda731877 --- /dev/null +++ b/drivers/scsi/a3000.h @@ -0,0 +1,79 @@ +#ifndef A3000_H +#define A3000_H + +/* $Id: a3000.h,v 1.4 1997/01/19 23:07:10 davem Exp $ + * + * Header file for the Amiga 3000 built-in SCSI controller for Linux + * + * Written and (C) 1993, Hamish Macdonald, see a3000.c for more info + * + */ + +#include <linux/types.h> + +int a3000_detect(Scsi_Host_Template *); +int a3000_release(struct Scsi_Host *); +const char *wd33c93_info(void); +int wd33c93_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); +int wd33c93_abort(Scsi_Cmnd *); +int wd33c93_reset(Scsi_Cmnd *, unsigned int); + +#ifndef CMD_PER_LUN +#define CMD_PER_LUN 2 +#endif + +#ifndef CAN_QUEUE +#define CAN_QUEUE 16 +#endif + +/* + * if the transfer address ANDed with this results in a non-zero + * result, then we can't use DMA. + */ +#define A3000_XFER_MASK (0x00000003) + +typedef struct { + unsigned char pad1[2]; + volatile unsigned short DAWR; + volatile unsigned int WTC; + unsigned char pad2[2]; + volatile unsigned short CNTR; + volatile unsigned long ACR; + unsigned char pad3[2]; + volatile unsigned short ST_DMA; + unsigned char pad4[2]; + volatile unsigned short FLUSH; + unsigned char pad5[2]; + volatile unsigned short CINT; + unsigned char pad6[2]; + volatile unsigned short ISTR; + unsigned char pad7[30]; + volatile unsigned short SP_DMA; + unsigned char pad8; + volatile unsigned char SASR; + unsigned char pad9; + volatile unsigned char SCMD; +} a3000_scsiregs; + +#define DAWR_A3000 (3) + +/* CNTR bits. */ +#define CNTR_TCEN (1<<5) +#define CNTR_PREST (1<<4) +#define CNTR_PDMD (1<<3) +#define CNTR_INTEN (1<<2) +#define CNTR_DDIR (1<<1) +#define CNTR_IO_DX (1<<0) + +/* ISTR bits. */ +#define ISTR_INTX (1<<8) +#define ISTR_INT_F (1<<7) +#define ISTR_INTS (1<<6) +#define ISTR_E_INT (1<<5) +#define ISTR_INT_P (1<<4) +#define ISTR_UE_INT (1<<3) +#define ISTR_OE_INT (1<<2) +#define ISTR_FF_FLG (1<<1) +#define ISTR_FE_FLG (1<<0) + +#endif /* A3000_H */ |