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1da177e4 LT |
1 | #ifndef GVP11_H |
2 | ||
3 | /* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $ | |
4 | * | |
5 | * Header file for the GVP Series II SCSI controller for Linux | |
6 | * | |
7 | * Written and (C) 1993, Ralf Baechle, see gvp11.c for more info | |
8 | * based on a2091.h (C) 1993 by Hamish Macdonald | |
9 | * | |
10 | */ | |
11 | ||
12 | #include <linux/types.h> | |
13 | ||
d0be4a7d | 14 | int gvp11_detect(struct scsi_host_template *); |
1da177e4 | 15 | int gvp11_release(struct Scsi_Host *); |
1da177e4 LT |
16 | |
17 | #ifndef CMD_PER_LUN | |
18 | #define CMD_PER_LUN 2 | |
19 | #endif | |
20 | ||
21 | #ifndef CAN_QUEUE | |
22 | #define CAN_QUEUE 16 | |
23 | #endif | |
24 | ||
25 | #ifndef HOSTS_C | |
26 | ||
27 | /* | |
28 | * if the transfer address ANDed with this results in a non-zero | |
29 | * result, then we can't use DMA. | |
30 | */ | |
31 | #define GVP11_XFER_MASK (0xff000001) | |
32 | ||
33 | typedef struct { | |
34 | unsigned char pad1[64]; | |
35 | volatile unsigned short CNTR; | |
36 | unsigned char pad2[31]; | |
37 | volatile unsigned char SASR; | |
38 | unsigned char pad3; | |
39 | volatile unsigned char SCMD; | |
40 | unsigned char pad4[4]; | |
41 | volatile unsigned short BANK; | |
42 | unsigned char pad5[6]; | |
43 | volatile unsigned long ACR; | |
44 | volatile unsigned short secret1; /* store 0 here */ | |
45 | volatile unsigned short ST_DMA; | |
46 | volatile unsigned short SP_DMA; | |
47 | volatile unsigned short secret2; /* store 1 here */ | |
48 | volatile unsigned short secret3; /* store 15 here */ | |
49 | } gvp11_scsiregs; | |
50 | ||
51 | /* bits in CNTR */ | |
52 | #define GVP11_DMAC_BUSY (1<<0) | |
53 | #define GVP11_DMAC_INT_PENDING (1<<1) | |
54 | #define GVP11_DMAC_INT_ENABLE (1<<3) | |
55 | #define GVP11_DMAC_DIR_WRITE (1<<4) | |
56 | ||
57 | #endif /* else def HOSTS_C */ | |
58 | ||
59 | #endif /* GVP11_H */ |