1*b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 21da177e4SLinus Torvalds #ifndef GVP11_H 31da177e4SLinus Torvalds 41da177e4SLinus Torvalds /* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $ 51da177e4SLinus Torvalds * 61da177e4SLinus Torvalds * Header file for the GVP Series II SCSI controller for Linux 71da177e4SLinus Torvalds * 81da177e4SLinus Torvalds * Written and (C) 1993, Ralf Baechle, see gvp11.c for more info 91da177e4SLinus Torvalds * based on a2091.h (C) 1993 by Hamish Macdonald 101da177e4SLinus Torvalds * 111da177e4SLinus Torvalds */ 121da177e4SLinus Torvalds 131da177e4SLinus Torvalds #include <linux/types.h> 141da177e4SLinus Torvalds 151da177e4SLinus Torvalds #ifndef CMD_PER_LUN 161da177e4SLinus Torvalds #define CMD_PER_LUN 2 171da177e4SLinus Torvalds #endif 181da177e4SLinus Torvalds 191da177e4SLinus Torvalds #ifndef CAN_QUEUE 201da177e4SLinus Torvalds #define CAN_QUEUE 16 211da177e4SLinus Torvalds #endif 221da177e4SLinus Torvalds 231da177e4SLinus Torvalds /* 241da177e4SLinus Torvalds * if the transfer address ANDed with this results in a non-zero 251da177e4SLinus Torvalds * result, then we can't use DMA. 261da177e4SLinus Torvalds */ 271da177e4SLinus Torvalds #define GVP11_XFER_MASK (0xff000001) 281da177e4SLinus Torvalds 29349d65fdSGeert Uytterhoeven struct gvp11_scsiregs { 301da177e4SLinus Torvalds unsigned char pad1[64]; 311da177e4SLinus Torvalds volatile unsigned short CNTR; 321da177e4SLinus Torvalds unsigned char pad2[31]; 331da177e4SLinus Torvalds volatile unsigned char SASR; 341da177e4SLinus Torvalds unsigned char pad3; 351da177e4SLinus Torvalds volatile unsigned char SCMD; 361da177e4SLinus Torvalds unsigned char pad4[4]; 371da177e4SLinus Torvalds volatile unsigned short BANK; 381da177e4SLinus Torvalds unsigned char pad5[6]; 391da177e4SLinus Torvalds volatile unsigned long ACR; 401da177e4SLinus Torvalds volatile unsigned short secret1; /* store 0 here */ 411da177e4SLinus Torvalds volatile unsigned short ST_DMA; 421da177e4SLinus Torvalds volatile unsigned short SP_DMA; 431da177e4SLinus Torvalds volatile unsigned short secret2; /* store 1 here */ 441da177e4SLinus Torvalds volatile unsigned short secret3; /* store 15 here */ 45349d65fdSGeert Uytterhoeven }; 461da177e4SLinus Torvalds 471da177e4SLinus Torvalds /* bits in CNTR */ 481da177e4SLinus Torvalds #define GVP11_DMAC_BUSY (1<<0) 491da177e4SLinus Torvalds #define GVP11_DMAC_INT_PENDING (1<<1) 501da177e4SLinus Torvalds #define GVP11_DMAC_INT_ENABLE (1<<3) 511da177e4SLinus Torvalds #define GVP11_DMAC_DIR_WRITE (1<<4) 521da177e4SLinus Torvalds 531da177e4SLinus Torvalds #endif /* GVP11_H */ 54