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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 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | #ifndef 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 NULL #define NULL 0 #endif #ifndef CMD_PER_LUN #define CMD_PER_LUN 2 #endif #ifndef CAN_QUEUE #define CAN_QUEUE 16 #endif #ifdef HOSTS_C extern struct proc_dir_entry proc_scsi_a3000; #define A3000_SCSI { proc_dir: &proc_scsi_a3000, \ proc_info: NULL, \ name: "Amiga 3000 built-in SCSI", \ detect: a3000_detect, \ release: a3000_release, \ queuecommand: wd33c93_queuecommand, \ abort: wd33c93_abort, \ reset: wd33c93_reset, \ can_queue: CAN_QUEUE, \ this_id: 7, \ sg_tablesize: SG_ALL, \ cmd_per_lun: CMD_PER_LUN, \ use_clustering: ENABLE_CLUSTERING } #else /* * 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 /* else def HOSTS_C */ #endif /* A3000_H */ |