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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 99 100 101 102 103 104 105 106 107 108 109 110 | #ifndef A3000_H /* $Id: a3000.h,v 1.3 1996/04/25 20:58:09 root Exp root $ * * 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 *); 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 { /* next */ NULL, \ /* usage_count */ NULL, \ /* proc_dir_entry */ &proc_scsi_a3000, \ /* proc_info */ NULL, \ /* name */ "Amiga 3000 built-in SCSI", \ /* detect */ a3000_detect, \ /* release */ NULL, \ /* info */ NULL, \ /* command */ NULL, \ /* queuecommand */ wd33c93_queuecommand, \ /* abort */ wd33c93_abort, \ /* reset */ wd33c93_reset, \ /* slave_attach */ NULL, \ /* bios_param */ NULL, \ /* can_queue */ CAN_QUEUE, \ /* this_id */ 7, \ /* sg_tablesize */ SG_ALL, \ /* cmd_per_lun */ CMD_PER_LUN, \ /* present */ 0, \ /* unchecked_isa_dma */ 0, \ /* use_clustering */ DISABLE_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 */ |