1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef GVP11_H 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun /* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $ 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Header file for the GVP Series II SCSI controller for Linux 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * Written and (C) 1993, Ralf Baechle, see gvp11.c for more info 9*4882a593Smuzhiyun * based on a2091.h (C) 1993 by Hamish Macdonald 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun */ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <linux/types.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #ifndef CMD_PER_LUN 16*4882a593Smuzhiyun #define CMD_PER_LUN 2 17*4882a593Smuzhiyun #endif 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #ifndef CAN_QUEUE 20*4882a593Smuzhiyun #define CAN_QUEUE 16 21*4882a593Smuzhiyun #endif 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun /* 24*4882a593Smuzhiyun * if the transfer address ANDed with this results in a non-zero 25*4882a593Smuzhiyun * result, then we can't use DMA. 26*4882a593Smuzhiyun */ 27*4882a593Smuzhiyun #define GVP11_XFER_MASK (0xff000001) 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun struct gvp11_scsiregs { 30*4882a593Smuzhiyun unsigned char pad1[64]; 31*4882a593Smuzhiyun volatile unsigned short CNTR; 32*4882a593Smuzhiyun unsigned char pad2[31]; 33*4882a593Smuzhiyun volatile unsigned char SASR; 34*4882a593Smuzhiyun unsigned char pad3; 35*4882a593Smuzhiyun volatile unsigned char SCMD; 36*4882a593Smuzhiyun unsigned char pad4[4]; 37*4882a593Smuzhiyun volatile unsigned short BANK; 38*4882a593Smuzhiyun unsigned char pad5[6]; 39*4882a593Smuzhiyun volatile unsigned long ACR; 40*4882a593Smuzhiyun volatile unsigned short secret1; /* store 0 here */ 41*4882a593Smuzhiyun volatile unsigned short ST_DMA; 42*4882a593Smuzhiyun volatile unsigned short SP_DMA; 43*4882a593Smuzhiyun volatile unsigned short secret2; /* store 1 here */ 44*4882a593Smuzhiyun volatile unsigned short secret3; /* store 15 here */ 45*4882a593Smuzhiyun }; 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun /* bits in CNTR */ 48*4882a593Smuzhiyun #define GVP11_DMAC_BUSY (1<<0) 49*4882a593Smuzhiyun #define GVP11_DMAC_INT_PENDING (1<<1) 50*4882a593Smuzhiyun #define GVP11_DMAC_INT_ENABLE (1<<3) 51*4882a593Smuzhiyun #define GVP11_DMAC_DIR_WRITE (1<<4) 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun #endif /* GVP11_H */ 54