1#ifndef GVP11_H 2 3/* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 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 14#ifndef CMD_PER_LUN 15#define CMD_PER_LUN 2 16#endif 17 18#ifndef CAN_QUEUE 19#define CAN_QUEUE 16 20#endif 21 22/* 23 * if the transfer address ANDed with this results in a non-zero 24 * result, then we can't use DMA. 25 */ 26#define GVP11_XFER_MASK (0xff000001) 27 28struct gvp11_scsiregs { 29 unsigned char pad1[64]; 30 volatile unsigned short CNTR; 31 unsigned char pad2[31]; 32 volatile unsigned char SASR; 33 unsigned char pad3; 34 volatile unsigned char SCMD; 35 unsigned char pad4[4]; 36 volatile unsigned short BANK; 37 unsigned char pad5[6]; 38 volatile unsigned long ACR; 39 volatile unsigned short secret1; /* store 0 here */ 40 volatile unsigned short ST_DMA; 41 volatile unsigned short SP_DMA; 42 volatile unsigned short secret2; /* store 1 here */ 43 volatile unsigned short secret3; /* store 15 here */ 44}; 45 46/* bits in CNTR */ 47#define GVP11_DMAC_BUSY (1<<0) 48#define GVP11_DMAC_INT_PENDING (1<<1) 49#define GVP11_DMAC_INT_ENABLE (1<<3) 50#define GVP11_DMAC_DIR_WRITE (1<<4) 51 52#endif /* GVP11_H */ 53